INFLATABLE BED WITH MESH-SHAPED DRAWING STRAPS

CROSS-REFERENCE TO RELATED APPLICATION

The present application is based on and claims the priority benefits of China application No. 202322051882.1, filed on Jul. 29, 2023. The entirety of China application No. 202322051882.1 is hereby incorporated by reference herein and made a part of this specification.

TECHNICAL FIELD

The present application relates to a technical field of an inflatable bed, and in particular, to an inflatable bed with mesh-shaped drawing straps.

BACKGROUND ART

The inflatable bed is widely loved by consumers because the inflatable bed possesses a small size and is easy to be folded and be conveniently carried in the deflating state, and possesses a light weight and is easy to be moved and be placed in the inflating state. The inflatable bed is suitable for home visitors, office nap, outdoor camping and other occasions.

The existing inflatable bed is generally provided with a vertical drawing strap, one end of the vertical drawing strap is connected to the top panel of the inflatable bed, and the other end of the vertical drawing strap is connected to the bottom of the inflatable bed, such that the vertical drawing strap plays a drawing, a fixing and a strengthening role for two surfaces of the inflatable bed after being inflated, thereby improving the stability of the inflatable bed. However, there are a plurality of sheet-shaped vertical drawing straps in the inside of the inflatable bed, which leads to a heavier weight of the whole inflatable bed on the one hand, and on the other hand, when the inflatable bed is deflated, is folded and stored, the plurality of the sheet-shaped vertical drawing straps are stacked in the inside of the inflatable bed, which increases the thickness of the inflatable bed after being deflated, thereby not being conducive to be folded and stored. In the case that the inflatable bed is forcibly folded, the stacked sheet-shaped vertical drawing straps would be deformed. When the inflatable bed is inflated again and the plurality of sheet-shaped vertical drawing straps stacked in the inside of the inflatable bed are unfolded again, the drawing stability of the sheet-shaped vertical drawing strap being stacked and squeezed to be deformed is reduced, and the stability of the inflatable bed is reduced.

SUMMARY

In order to avoid a heavier weight of the inflatable bed and easy deformation of the inflatable bed during being folded and stored due to a plurality of sheet-shaped vertical drawing straps, an inflatable bed with mesh-shaped drawing straps is disclosed.

The inflatable bed with mesh-shaped drawing straps according to the present application adopts the following solution.

An inflatable bed with mesh-shaped drawing straps, comprising a side panel and two face layers symmetrically arranged, a first end of the side panel is connected to a periphery of a first face layer of the two face layers, a second end of the side panel is connected to a periphery of a second face layer of the two face layers, wherein the inflatable bed with mesh-shaped drawing straps further comprises a plurality of the mesh-shaped vertical drawing straps, a first end of each of the plurality of mesh-shaped vertical drawing straps is connected to the first face layer, and a second end of each of the plurality of mesh-shaped vertical drawing straps is connected to the second face layer.

By adopting the mesh-shaped vertical drawing strap, the material consumption for the vertical drawing strap is significantly reduced compared with the traditional sheet-shaped vertical drawing strap, thereby reducing the weight of the inflatable bed. After the inflatable bed is deflated, a plurality of vertical drawing straps are stacked, where the mesh-holes of the vertical drawing straps provide an accommodating space for the adjacent vertical drawing straps, the mesh-holes are misaligned with each other, thereby reducing the overall thickness of the inflatable bed, and being conducive to be folded and be stored. The mesh-holes can improve the flexibility of the vertical drawing strap, such that the vertical drawing strap is not easy to deform after the inflatable bed is folded and stored, which can remain a good stability after being inflated again. In addition, the mesh-holes of the mesh-shaped vertical drawing strap improves the airflow fluidity inside the inflatable bed and in turn the inflating efficiency of the inflatable bed.

Optionally, the plurality of mesh-shaped vertical drawing straps are sheet-shaped meshes and are arranged along a length direction of the inflatable bed.

By adopting the above solution, the structure stability along the length direction of the inflatable bed is improved, and a plurality of concave linear connecting strips are formed on the face layers of the inflatable bed, which plays a supporting role for the human body along the height direction of the human body when the human lies down along the length direction of the inflatable bed, thereby improving the comfort of the inflatable bed.

Optionally, the plurality of mesh-shaped vertical drawing straps are sheet-shaped meshes and are arranged along a width direction of the inflatable bed.

By adopting the above solution, the structure stability along the width direction of the inflatable bed is improved, and a plurality of concave linear connecting strips are formed on the face layers of the inflatable bed, which plays a transverse supporting role and a massage role for the human body when the human lies down along the length direction of the inflatable bed, thereby improving the comfort of the inflatable bed.

Optionally, each of the plurality of mesh-shaped vertical drawing straps is a mesh with an elliptical section formed by connecting two ends of a strap-shaped mesh end to end, lateral edges of the strap-shaped mesh are respectively connected to the two face layers, and a long axis of the elliptical section extends along a length direction of the inflatable bed.

In the present application, the above elliptical mesh-shaped vertical drawing strap formed by connecting two ends of a strap-shaped mesh end to end can be equivalently described as a looped mesh-shaped vertical drawing strap. When the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap is parallel to the horizontal plane, the long axis of the cross section of the mesh-shaped vertical drawing strap extends along the length direction or the width direction of the inflatable bed, which improves the structure stability of the inflatable bed. And a plurality of hollow elliptical connecting strips are formed on the face layers of the inflatable bed, thereby improving the wrapping feeling and the supporting feeling when the human lies down and sleeps, and improving the comfort of the inflatable bed.

Optionally, each of the plurality of mesh-shaped vertical drawing straps is formed by connecting two ends of a strap-shaped mesh end to end, the two ends of the strap-shaped mesh are respectively connected to the two face layers, and a width direction of the two ends of the strap-shaped mesh is parallel or perpendicular to a length direction of the inflatable bed.

In the present application, the above elliptical mesh-shaped vertical drawing strap formed by connecting two ends of a strap-shaped mesh end to end can be equivalently described as a looped mesh-shaped vertical drawing strap. When the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap is perpendicular to the horizontal plane, the width direction of the ends of the mesh-shaped vertical drawing strap is the breadth direction of the strap-shaped mesh, and the connection between the end of the mesh-shaped vertical drawing strap and the face layer represents a form of linear connecting strip, hollow rectangular connecting frame, or a solid rectangular frame zone.

Optionally, the inflatable bed with mesh-shaped drawing straps further comprises a plurality of first reinforcing sheets, the plurality of first reinforcing sheets, a connection of each of the plurality of mesh-shaped vertical drawing straps, and a respective one of the two face layers are sequentially arranged from inside to outside, and the edge of the mesh-shaped vertical drawing strap lies between the first reinforcing sheet and the inner surface of the face layer.

By adopting the above solution, the connecting stability of the mesh-shaped vertical drawing strap and the face layer can be improved, such that the mesh-shaped vertical drawing strap is not easy to be detached from the inner surface of the face layer and the structure stability is high after being deflated and folded, and inflated and used many times.

Optionally, a width of each of the plurality of first reinforcing sheets lies in 0.2-20 cm, preferably 0.5-5 cm, 1-4 cm, 2-3 cm, and further preferably, can be 0.2 cm, 0.4 cm, 0.5 cm, 0.6 cm, 0.8 cm, 1.0 cm, 1.2 cm, 1.5 cm, 1.8 cm, 2.0 cm, 2.2 cm, 2.5 cm, 2.8 cm, 3.0 cm, 3.2 cm, 3.5 cm, 3.8 cm, 4.0 cm, 4.2 cm, 4.5 cm, 4.8 cm, 5.0 cm, 5.2 cm, 5.5 cm, 5.8 cm, 6.0 cm, 8.0 cm, 10.0 cm, 12.0 cm, 14.0 cm, 15.0 cm, 16.0 cm, 18.0 cm, or 20.0 cm or other sizes.

Optionally, the first reinforcing sheet includes at least one adhesive layer, wherein the adhesive layer is a glue layer or a PVC layer, the glue layer can be made of a hot-melt adhesive or other glue materials except the hot-melt adhesive. Preferably, the first reinforcing sheet includes an adhesive layer and a cloth layer, wherein the adhesive layer is arranged on the surface of the cloth layer, and a side face of the adhesive layer facing away from the cloth layer is connected to the connection of the mesh-shaped vertical drawing strap. When the adhesive layer is a glue layer or a PVC layer, the hot-melt adhesive or other glue material or the PVC after being melted flows in the mesh-holes at the connection between the mesh-shaped drawing strap and the side panel, and is connected to the inner surface of the face layer. The face layer, the connection of the mesh-shaped vertical drawing strap and the first reinforcing sheet are connected to each other after the glue layer or the PVC layer is cured.

Optionally, the side panel and/or the two face layers are configured with an inflating and deflating assembly.

By adopting the above solution, the inflatable bed can be quickly inflated and deflated, the inflating and deflating assembly can be an inflating and deflating mouth that inflates and deflates air via an inflating tube and an external inflating pump; and the inflating and deflating assembly can be a micropump for inflation and deflation, which is conducive to be carried, and carry out inflation and deflation any time.

Optionally, a mesh-hole density of each of the plurality of mesh-shaped vertical drawing straps lies in 10-1000 mesh-holes/dm².

By adopting the above solution, the mesh-shaped vertical drawing strap possesses a good flexibility, a good strength, and a good gas permeability. After multiple inflation and deflation, the mesh-shaped vertical drawing strap can still be stably connected to the two face layers, which can reduce the weight of the inflatable bed, and can reduce the thickness of the inflatable bed when the inflatable bed is folded and stored in the deflating state.

Optionally, the mesh-shaped vertical drawing strap is produced by cutting meshes weaved by the modified polyester fiber, the modified polyester is made by melting and spinning the modified polyester fiber masterbatch, the modified polyester fiber masterbatch is made of the following raw materials in parts by weight:

- 60-75 parts of a polyester masterbatch,
- 10-15 parts of a polyamide-6,
- 8-10 parts of an ethylene-methyl acrylate copolymer, and
- 3-8 parts of modified fillers,
- the modified filler is made of a nano silica, a nano zinc oxide, and a kapok fiber in a mass ratio of (2-8):1:(1-4).

By adopting the above technical solution, the prepared modified polyester fiber has a low elasticity, a light weight, and a good wear-resistance, and the mesh-shaped vertical drawing strap weaved by the modified polyester fiber can be connected to two face layers, which can draw two face layers inward, and there is no excessive expansion and bulging of the surface of the inflatable bed due to the relatively high elasticity of the mesh-shaped vertical drawing strap. In addition, the tensile strength and the flexibility of the modified polyester fiber are improved by adding the polyamide-6, such that the modified polyester fiber has a flexibility and a bending performance while resisting wrinkles. When the inflatable bed is inflated and used for many times, the mesh-shaped vertical drawing strap is drawn by two face layers, the mesh-shaped vertical drawing strap is not easy to deform or break, and the stability of the mesh-shaped drawing strap is good. When the inflatable bed is deflated to be folded, the mesh-shaped vertical drawing strap is folded inside the inflatable bed, and is not easy to form a crease. When the inflatable bed is inflated and used again, a stable connection and a drawing function can be maintained by the mesh-shaped vertical drawing strap.

In particular, the nano silica and the nano zinc oxide can improve the strength of the polyester fiber, at same time, improves the dispersibility of the polyester masterbatch and the polyamide-6 by the nanomorphology thereof, and improves the compatibility between the polyester masterbatch and the polyamide-6 by being combined with the ethylene-methyl acrylate copolymer, such that the modified polyester fiber has a uniform strength and toughness, to avoid a condition that, the modified polyester fiber is broken due to a relatively low strength of a certain section of the polyester fiber, further the mesh-shaped structure of the mesh-shaped vertical drawing strap weaved by the polyester fiber suffers from uneven force, and the connection and the drawing function of two face layers are affected.

The kapok fiber is fine and soft, and has a light weight, a high hollowness, and a good pressure resistance, so the nano silica and the nano zinc oxide having a large specific surface area are easy to be attached to the kapok fiber, such that the nano filler is distributed evenly. The kapok fiber is easy to be mixed with the high polymer, thereby solving the problem that the nano fillers are prone to agglomerate in the high polymer, such that the mesh-shaped vertical drawing strap possesses a light weight, a good toughness, and a good tensile strength. After being inflated for many times, the modified polyester fiber is not easy to have the wrinkles or break, and a stable connection and drawing function are maintained.

Preferably, the nano silica has a particle size of 20-40 nm, and a BET specific surface area of 100-150 m²/g;

The nano zinc oxide has a particle size of 30-50 nm, and a BET specific area of 40-80 m²/g; and

The kapok fiber has a length of 8-15 mm, and an average diameter at a middle part of 30-36 μm.

Preferably, the modified filler is prepared by the following steps:

- adding a coupling agent into an isopropanol aqueous solution with a mass fraction of 50-60% under stirring to obtain a mixture; and
- mixing the nano silica, the nano zinc oxide and the kapok fiber, adding the mixture under stirring, maintaining a temperature of 40-50° C. for 10-15 min, filtering, drying and discharging to obtain the modified filler.

The weight ratio of the coupling agent and the isopropanol aqueous solution is (0.1-0.3):1.

Preferably, the coupling agent is a combination of a KH550 silane coupling agent and a titanate coupling agent in a mass ratio of (4-5):1, and the titanate coupling agent is an isopropyltris (dioctylpyrophosphoryl) titanate and/or an isopropyltris (dodecylbenzenesulfonyl) titanate.

Preferably, the modified polyester fiber masterbatch is prepared by the following steps:

- mixing and melting the polyester masterbatch, polyamid-6 and ethylene-methyl acrylate copolymer according to the weight parts, adding the modified filler under stirring, and extruding and granulating to obtain the modified polyester fiber masterbatch.

The temperatures during the extruding and granulating are as follows: the first zone is 150-160° C., the second zone is 165-175° C., the third zone is 180-190° C., the fourth zone is 195-205° C., and the fifth zone is 185-195° C.

In summary, at least one of the following beneficial technical effects is realized:

1. By using the mesh-shaped vertical drawing strap in the present application, compared with the traditional sheet-shaped vertical drawing strap, the material consumption of the vertical drawing strap can be greatly reduced, and the weight of the inflatable bed can be reduced. After the inflatable bed is deflated, a plurality of vertical drawing straps are stacked, which reduces the thickness of the overall inflatable bed, which is conducive to be folded and stored. And the vertical drawing strap after being folded and stored is not easy to deform, such that a good stability after being inflated can be remained. In addition, the mesh-hole structure of the mesh-shaped vertical drawing strap improves the gas fluidity, which is conducive to improving the inflating efficiency of the inflatable bed.

2. The first reinforcing sheet of the present application can improve the connecting stability of the mesh-shaped vertical drawing strap and the face layer, such that the mesh-shaped vertical drawing strap is not easy to be detached from the inner surface of the face layer after multiple deflation and folding and inflation for use, thereby obtaining a high structure stability.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective schematic view of an inflatable bed with mesh-shaped drawing straps according to Example 1 of the present application.

FIG. 2 schematically shows a sectional exploded view of the sheet-shaped mesh arranged along the width direction of the inflatable bed according to Example 1 of the present application.

FIG. 3 schematically shows a sectional exploded view of the sheet-shaped mesh arranged along the length direction of the inflatable bed according to Example 1 of the present application.

FIG. 4 schematically shows a sectional exploded view of a lateral-connected strap-shaped mesh arranged along the width direction of the inflatable bed according to Example 1 of the present application.

FIG. 5 schematically shows a sectional exploded view of a lateral-connected strap-shaped mesh arranged along the length direction of the inflatable bed according to Example 1 of the present application.

FIG. 6 schematically shows a sectional exploded view of a breadth-connected strap-shaped mesh arranged along the length direction of the inflatable bed according to Example 1 of the present application.

FIG. 7 schematically shows a sectional exploded view of the breadth-connected strap-shaped mesh arranged along the width direction of the inflatable bed according to Example 1 of the present application.

FIG. 8 schematically shows a sectional exploded view of another connecting way between the breadth-connected strap-shaped mesh and the face layer according to Example 1 of the present application.

FIG. 9 schematically shows a sectional exploded view of another connecting way between the breadth-connected strap-shaped mesh and the face layer according to Example 1 of the present application.

FIG. 10 is a schematic view of the sheet-shaped mesh according to Example 1 of the present application, whose top and bottom are bent towards opposite directions.

FIG. 11 is a schematic view of the lateral-connected strap-shaped mesh according to Example 1 of the present application, whose top and bottom are bent to opposite directions.

FIG. 12 is a schematic sectional view showing the structure of the inflatable bed with inclined diaphragms at the bottom according to Example 2.

FIG. 13 is a schematic sectional view showing the structure of the inflatable bed with inclined diaphragms at the top according to Example 2.

FIG. 14 is a schematic sectional view showing the structure of the inflatable bed according to Example 3 of the present application.

FIG. 15 is a schematic sectional view showing the structure of the inflatable bed according to Example 4 of the present application.

FIG. 16 is a schematic exploded view of the mesh-shaped inclined diaphragm, the second reinforcing sheet and the third reinforcing sheet according to Example 4 of the present application.

FIG. 17 is a schematic sectional view showing the structure of the inflatable bed according to Example 5 of the present application.

FIG. 18 is a schematic sectional view showing the structure of the inflatable bed according to Example 6 of the present application.

DETAILED DESCRIPTION

The present application is further described in detail below in combination with FIGS. 1-18.

An inflatable bed with mesh-shaped drawing straps is disclosed.

Example 1

Referring to FIGS. 1-2, an inflatable bed with mesh-shaped drawing straps includes a side panel 1, a plurality of mesh-shaped vertical drawing straps 3, two face layers 2 symmetrically arranged at the top and bottom of the side panel 1, wherein the top of the side panel 1 is connected to the periphery of one face layer 2, and the bottom of the side panel 1 is connected to the periphery of the other face layer 2, which enclose an inflatable cavity. The side panel 1 or the face layer 2 is provided with an inflating and deflating assembly, or the side panel 1 and the face layer 2 are both provided with the inflating and deflating assembly, wherein the inflating and deflating assembly can be an inflating and deflating mouth 41 and/or a micropump for inflation and deflation 42. The top of each mesh-shaped vertical drawing strap 3 is connected to the face layer 2 at the top of the side panel 1, and the bottom of each mesh-shaped vertical drawing strap 3 is connected to the face layer 2 at the bottom of the side panel 1. Preferably, the mesh-hole density of the mesh-shaped vertical drawing strap 3 is 10-200 mesh-holes/dm², and specifically, can be 10 mesh-holes/dm², 30 mesh-holes/dm², 50 mesh-holes/dm², 80 mesh-holes/dm², 100 mesh-holes/dm², 120 mesh-holes/dm², 150 mesh-holes/dm², 180 mesh-holes/dm², 200 mesh-holes/dm², 250 mesh-holes/dm², 300 mesh-holes/dm², 350 mesh-holes/dm², 400 mesh-holes/dm², 450 mesh-holes/dm², 500 mesh-holes/dm², 550 mesh-holes/dm², 600 mesh-holes/dm², 650 mesh-holes/dm², 700 mesh-holes/dm², 750 mesh-holes/dm², 800 mesh-holes/dm², 850 mesh-holes/dm², 900 mesh-holes/dm², 950 mesh-holes/dm², 1000 mesh-holes/dm²and etc., which all fall in the scope of the present application. Furthermore, referring to FIG. 2, the inner surface of each of the two face layers 2 is provided with a plurality of first reinforcing sheets 31, wherein the first reinforcing sheets 31 are arranged corresponding to the mesh-shaped vertical drawing straps 3. Specifically, the edge of the mesh-shaped vertical drawing strap 3 is clamped between the first reinforcing sheet 31 and the inner surface of the face layer 2, such that the top edge of each mesh-shaped vertical drawing strap 3 is fixed on the face layer 2 at the top of the side panel 1 via the first reinforcing sheet 31, and the bottom edge of each mesh-shaped vertical drawing strap 3 is fixed on the face layer 2 at the bottom of the side panel 1 via the first reinforcing sheet 31. Preferably, the first reinforcing sheet 31 is made of the same material as the side panel 1 and the face layers 2, by which the inner surfaces of each cloth layer is provided with an adhesive layer, namely, the cloth layer of the first reinforcing sheet 31 is made of an oxford layer and so on, the adhesive layer is a glue layer or a PVC layer, and at the meantime, the adhesive layer is waterproof. For example, the first reinforcing sheet 31, the side panel 1 and the face layers 2 can all be made in such a way, that the inner surface of the oxford layer is provided with a PVC layer, which is melted after the first reinforcing sheet 31 is heated, such that the PVC flows to the mesh-holes at the top edge of the mesh-shaped vertical drawing strap 3, is adhered to the PVC layer of the inner surface of the face layer 2, and is formed after curing.

Referring to FIG. 2, the mesh-shaped vertical drawing strap 3 can be a sheet-shaped mesh arranged along the width direction of the inflatable bed, or a sheet-shaped mesh arranged along the length direction of the inflatable bed as shown in FIG. 3, both of which can form a plurality of concave linear connecting strips on the face layer 2 of the inflatable bed, specifically, after the inflatable bed is filled with air, the side panel 1 and the face layers 2 expand outwards, while the two face layers 2 are pulled inwards by the mesh-shaped vertical drawing straps 3, such that the relatively concave linear connecting strips are formed on the face layers 2.

Referring to FIGS. 4-5, the mesh-shaped vertical drawing strap 3 can also be formed in such a way, that two ends of the strap-shaped mesh are connected end to end, to form an elliptical shape, wherein the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap is parallel to the horizontal plane, and the long axis of the elliptical lateral side of the strap-shaped mesh can extend along the length direction or the width direction of the inflatable bed, to form a lateral-connected strap-shaped vertical drawing strap 3. A plurality of hollow concave elliptical connecting strips are so formed on the face layer 2 of the inflatable bed, that after the inflatable bed is filled with air, the side panel 1 and the face layers 2 relatively expand outwards, while the elliptical mesh-shaped vertical drawing straps 3 pull the face layers 2 towards the inside of the inflatable bed, such that the hollow elliptical connecting strip is concave inwards relative to the expanded face layer 2.

Referring to FIGS. 6-7, the mesh-shaped vertical drawing strap 3 can also be formed in such a way, that two ends of the strap-shaped mesh are connected end to end, to form an elliptical shape, wherein the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap 3 is perpendicular to the horizontal plane, and the end of the strap-shaped mesh in the breadth direction can extend along the length direction or the width direction of the inflatable bed, to form a breadth-connected strap-shaped vertical drawing strap 3. The first reinforcing sheet 31, the connection of the breadth-connected strap-shaped vertical drawing strap 3 along the breadth direction and the face layer 2 are sequentially arranged form the inside to the outside of the inflatable bed.

In the present application, the connection between the end of mesh-shaped vertical drawing strap 3 and the face layer 2 can represent three configurations as follows, a linear connecting strip, or a hollow rectangular connecting frame or a solid rectangular connecting zone.

Configuration A: referring to FIG. 8, when the connection between the end of the mesh-shaped vertical drawing strap 3 and the face layer 2 represents a form of linear connecting strip, the breadth of the mesh-shaped vertical drawing strap 3 is unchanged, and the connecting area between the end of the mesh-shaped vertical drawing strap and the face layer 2 is relatively small. After the inflatable bed is filled with air, the mesh-shaped vertical drawing strap 3 is pulled by the top face layer 2 and the bottom face layer 2, specifically, the drawing straps at two sides of the long axis of the elliptical mesh-shaped vertical drawing strap are drawn in the direction close to the long axis, until the drawing straps at two sides of the long axis are attached to each other, such that the elliptical mesh-shaped vertical drawing strap 3 is pulled to be linear.

Configuration B: referring to FIGS. 6-7, the connection between the end of the mesh-shaped vertical drawing strap 3 and the face layer 2 represents a form of hollow rectangular connecting frame, which means that when the breadth of the mesh-shaped vertical drawing strap 3 is unchanged, a certain length of the strap-shaped drawing strap is connected to the face layer 2, wherein the middle portion of the certain length of the strap-shaped drawing strap is not connected to the face layer 2, only the beginning point and the ending point of the certain length of the strap-shaped drawing strap in the breadth direction are connected to the face layer 2 to form a long side of the rectangular connecting frame, while the side edge of the strap-shaped drawing strap in the range of the certain length is connected to the face layer 2 to form a short side of the rectangular connecting frame. After the inflatable bed is filled with air, the mesh-shaped vertical drawing strap 3 is pulled by the top face layer 2 and the bottom face layer 2, specifically, the drawing straps at two sides of the long axis of the elliptical mesh-shaped vertical drawing strap are drawn in the direction close to the long axis, such that the elliptical mesh-shaped vertical drawing strap 3 is pulled to have a rectangular longitudinal section.

Configuration C: referring to FIG. 9, the connection between the end of the mesh-shaped vertical drawing strap 3 and the face layer 2 represents a form of solid rectangular connecting zone, which means that in the case that the breadth of the mesh-shaped vertical drawing strap 3 is unchanged, a certain length of the strap-shaped drawing strap is connected to the face layer 2, and the strap-shaped drawing strap are connected to the face layer 2 over the whole certain length, that is, the area of the connection between the mesh-shaped vertical drawing strap 3 and the face layer 2 is larger than the linear connecting strip in Configuration A. After the inflatable bed is filled with air, the mesh-shaped vertical drawing strap 3 is pulled by the top face layer 2 and the bottom face layer 2, specifically, the drawing straps at two sides of the long axis of the elliptical mesh-shaped vertical drawing strap 3 are drawn in the direction close to the long axis, such that the elliptical mesh-shaped vertical drawing strap 3 is pulled to have a rectangular longitudinal section.

The mesh-shaped vertical drawing strap 3 in the present application includes but is not limited to the above sheet-shaped mesh, the lateral-connected strap-shaped mesh connected end to end, and the breadth-connected strap-shaped mesh connected end to end.

Furthermore, the connection of the mesh-shaped vertical drawing strap 3 to the face layer 2 is:

(1) When the mesh-shaped vertical drawing strap 3 is a sheet-shaped mesh, the top and the bottom of the mesh-shaped vertical drawing strap 3 are both connected to the face layers 2, and the top and the bottom of the mesh-shaped vertical drawing strap 3 are both bent in the direction towards the same side (as shown in FIGS. 2-3), or the top and the bottom of the mesh-shaped vertical drawing strap 3 are bent towards opposite directions (as shown in FIG. 10), and the field between the bent crease line and the top edge or the bottom edge of the mesh-shaped vertical drawing strap 3 is the connection between the mesh-shaped vertical drawing strap 3 and the first reinforcing sheet 31.

(2) When the mesh-shaped vertical drawing strap 3 is the elliptical mesh-shaped vertical drawing strap 3 formed by connecting the two ends of the strap-shaped mesh end to end, and the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap 3 is parallel to the horizontal plane, the elliptical lateral sides at the top and the bottom of the mesh-shaped vertical drawing strap 3 are both bent towards the same side (as shown in FIGS. 4-5), or the elliptical lateral sides at the top and the bottom of the mesh-shaped vertical drawing strap 3 are bent towards opposite directions (as shown in FIG. 11), wherein the field between the bent crease line and the top edge or the bottom edge of the mesh-shaped vertical drawing strap 3 is the connection between the mesh-shaped vertical drawing strap 3 and the first reinforcing sheet 31.

(3) when the mesh-shaped vertical drawing strap 3 is the elliptical mesh-shaped vertical drawing strap 3 formed by connecting the two ends of the strap-shaped mesh end to end, and the elliptical lateral side of the elliptical mesh-shaped vertical drawing strap 3 is perpendicular to the horizontal plane, the section of the elliptical mesh-shaped vertical drawing strap 3 in the breadth direction connected to the inner surface of the face layer 2 is the connection between the mesh-shaped vertical drawing strap 3 and the first reinforcing sheet 31, which represents the form of linear connecting strip, or hollow rectangular connecting frame or solid rectangular connecting zone (as shown in FIGS. 7-9); and the length of the first reinforcing sheet 31 is preferably larger than or equal to the breadth of the elliptical mesh-shaped vertical drawing strap 3.

The implement principle of Example 1 is as follows: the mesh is formed by weaving elastic or inelastic fibers, then a plurality of mesh-shaped vertical drawing straps 3 are obtained by cutting according to the required breadth. One lateral edge of the mesh-shaped vertical drawing strap 3 is covered on the inner surface of one face layer 2, and then the first reinforcing sheet 31 is covered on it for connection, such that the one lateral edge of the mesh-shaped vertical drawing strap 3 is fixed between the first reinforcing sheet 31 and the inner surface of the face layer 2. Similarly, the other lateral edge of the mesh-shaped vertical drawing strap 3 is fixed between the other first reinforcing sheet 31 and the inner surface of the other face layer 2, such that the mesh-shaped vertical drawing straps 3 are connected to the two face layers 2. Then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, and the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, thereby obtaining the inflatable bed with mesh-shaped drawing straps.

Example 2

FIGS. 12-13 show Example 2, which differs from Example 1 in that: the present inflatable bed further includes an inclined diaphragm 5, one lateral edge of the inclined diaphragm 5 is connected to the side panel 1, and the other lateral edge thereof is connected to one face layer 2. The mesh-shaped vertical drawing strap 3 in the present example is illustrated by a sheet-shaped mesh as an example, however, the inflatable bed with inclined diaphragm 5 in the present example includes but is not limited to the mesh-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the mesh-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the breadth-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed and the breadth-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed.

And the inclined diaphragm 5 is configured with a plurality of ventilation holes 6, one side face of the inclined diaphragm 5 facing to the middle of the inflatable bed, the side panel 1 and two face layers 2 enclose a first cavity 100, while the side face of the inclined diaphragm 5 facing away from the middle of the inflatable bed, the side panel 1 and one of the face layers 2 enclose a second cavity 200, and the first cavity 100 is in communication with the second cavity 200 via the ventilation holes 6.

The implement principle of Example 2 differs from Example 1 in that: after the mesh-shaped vertical drawing strap 3 is connected to the two face layers 2, the top edge of one mesh-shaped inclined diaphragm 5 is connected to the side panel 1, the bottom edge of the inclined diaphragm is connected to the face layer 2, then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with inclined diaphragm 5 at the bottom thereof is made (as shown in FIG. 12). Or the top edge of one mesh-shaped inclined diaphragm 5 is connected to the face layer 2, the bottom edge of the inclined diaphragm 5 is connected to the side panel 1, then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with inclined diaphragm 5 at the top thereof is made (as shown in FIG. 13).

Example 3

FIG. 14 shows Example 3, which differs from Example 1 in that: the inflatable bed further includes two inclined diaphragms 5, one lateral edge of each of the inclined diaphragms 5 is connected to the side panel 1, and the other lateral edge of each of the inclined diaphragms 5 is connected to a respective face layer 2. The mesh-shaped vertical drawing strap 3 in the present Example is illustrated by a sheet-shaped mesh as an example, however, the inflatable bed with inclined diaphragm 5 in the present example includes but is not limited to the mesh-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the mesh-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the breadth-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed and the breadth-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed.

And the two inclined diaphragms 5 are both configured with a plurality of ventilation holes 6, one side face of each inclined diaphragm 5 facing to the middle of the inflatable bed, the side panel 1 and two face layers 2 enclose a first cavity 100, while the side face of the inclined diaphragm 5 facing away from the middle of the inflatable bed, the side panel 1 and one of the face layers 2 enclose a second cavity 200, and the first cavity 100 is in communication with the second cavity 200 via the ventilation holes 6.

The implement principle of Example 3 differs from Example 1 in that: after the mesh-shaped vertical drawing strap 3 is connected to the two face layers 2, the bottom edge of one mesh-shaped inclined diaphragm 5 is connected to the side panel 1, while the top edge of the inclined diaphragm is connected to the face layer 2 at the top of the side panel 1, then the top edge of the other inclined diaphragm 5 is connected to the side panel 1, while the bottom edge thereof is connected to the face layer 2 at the bottom of the side panel 1, and then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with inclined diaphragms 5 both at the top and at the bottom thereof is made.

Example 4

FIGS. 15-16 show Example 4, which differs from Example 1 in that: the inflatable bed further includes an inclined diaphragm 5, the inclined diaphragm 5 is a mesh-shaped inclined diaphragm 5, the top edge of the mesh-shaped inclined diaphragm 5 is connected to a side panel 1 via a second reinforcing sheet 51 (specifically, the top edge of the mesh-shaped inclined diaphragm 5 is arranged between the second reinforcing sheet 51 and the inner surface of the side panel 1), while the bottom edge of the mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the bottom of the side panel 1 via a third reinforcing sheet 52 (specifically, the bottom edge of the mesh-shaped inclined diaphragm 5 is arranged between the third reinforcing sheet 52 and the inner surface of the face layer 2), such that the inflatable bed with mesh-shaped drawing straps that is configured with mesh-shaped inclined diaphragm 5 at the bottom thereof is made. The mesh-shaped vertical drawing strap 3 in the present Example is illustrated by a sheet-shaped mesh 5 as an example, however, the inflatable bed with inclined diaphragm 5 at the bottom thereof in the present example includes but is not limited to the mesh-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the mesh-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the breadth-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed and the breadth-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed.

Optionally, the second reinforcing sheet 51 includes at least one adhesive layer, wherein the adhesive layer is a glue layer or a PVC layer, the glue layer can be made of a hot-melt adhesive or other glue material except the hot-melt adhesive. Preferably, the second reinforcing sheet includes an adhesive layer and a cloth layer, wherein the adhesive layer is arranged on the surface of the cloth layer, and the a side face of the adhesive layer facing away from the cloth layer is connected to the connection of the mesh-shaped inclined diaphragm 5. When the adhesive layer is a hot-melt adhesive layer or a PVC layer, the hot-melt adhesive or the PVC after being melted flows in the mesh-holes at the connection between the mesh-shaped inclined diaphragm 5 and the side panel 1, and is connected to the inner surface of the side panel 1. The side panel 1, the connection of the mesh-shaped inclined diaphragm 5 and the second reinforcing sheet 51 are connected to each other after the glue layer or the PVC layer is cured.

Similarly, the third reinforcing sheet 52 includes at least one adhesive layer, the adhesive layer is a hot-melt adhesive or a PVC layer. Preferably, the third reinforcing sheet 52 includes an adhesive layer and a cloth layer, wherein the adhesive layer is arranged on the surface of the cloth layer, and a side face of the adhesive layer facing away from the cloth layer is connected to the connection of the mesh-shaped inclined diaphragm 5. When the adhesive layer is a hot-melt adhesive layer or a PVC layer, the hot-melt adhesive or the PVC after being melted flows in the mesh-holes at the connection between the mesh-shaped inclined diaphragm 5 and the face layer 2, and is connected to the inner surface of the face layer 2. The face layer 2, the connection of the mesh-shaped inclined diaphragm 5 and the third reinforcing sheet 52 are connected to each other after the glue layer or the PVC layer is cured.

The above mentioned connection of the mesh-shaped inclined diaphragm 5 means the field between the bent crease line and the top edge of the mesh-shaped inclined diaphragm 5 as the connection at the top edge of the mesh-shaped inclined diaphragm 5 when the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the face layer 2 at the top of the side panel 1 or the face layer 2 at the bottom of the side panel 1, wherein the connection is parallel to the side panel 1. Similarly, the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the middle of the face layer 2 at the bottom of the side panel 1, or the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the periphery of the face layer 2 at the bottom of the side panel 1, the field between the bent crease line and the bottom edge of the mesh-shaped inclined diaphragm 5 is the connection at the bottom edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the face layer 2.

Preferably, the second reinforcing sheet 51 and the third reinforcing sheet 52 are made of the same material as the side panel 1 and the face layers 2, by which the inner surfaces of the cloth layer is provided with an adhesive layer, namely, the cloth layers of both the second reinforcing sheet 51 and the third reinforcing sheet 52 are oxford layers and so on, the adhesive layer is a glue layer or a PVC layer, and at the meantime, the adhesive layer is waterproof. For example, the second reinforcing sheet 51, the third reinforcing sheet 52, the side panel 1 and the face layers 2 can all be made in such a way, that the inner surface of the oxford layer is provided with a PVC layer, which is melted after the first reinforcing sheet 31 is heated, such that the PVC flows in the mesh-holes at the top edge of the mesh-shaped vertical drawing strap 3, is adhered to the PVC layer of the inner surface of the face layer 2, and is formed after curing.

The implement principle of Example 4 differs from Example 1 in that: after the mesh-shaped vertical drawing strap 3 is connected to the two face layers 2, the top edge of one mesh-shaped inclined diaphragm 5 is connected to the side panel 1 through the second reinforcing sheet 51, the bottom edge thereof is connected to the face layer 2 at the bottom of the side panel 1 through the third reinforcing sheet 52, then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with mesh-shaped inclined diaphragm 5 at the bottom thereof is made.

Example 5

FIG. 17 shows Example 5, which differs from Example 4 in that: the top edge of the mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the top of the side panel 1 via the third reinforcing sheet 52 (specifically, the top edge of the mesh-shaped inclined diaphragm 5 is arranged between the third reinforcing sheet 52 and the inner surface of the face layer 2), while the bottom edge of the mesh-shaped inclined diaphragm 5 is connected to the side panel 1 via the second reinforcing sheet 51 (specifically, the bottom edge of the mesh-shaped inclined diaphragm 5 is arranged between the second reinforcing sheet 51 and the inner surface of the side panel 1), such that the inflatable bed with mesh-shaped drawing straps that is configured with mesh-shaped inclined diaphragm 5 at the top thereof is made. The other technical features are the same as in Example 4 and will not be repeated here.

The connection of the mesh-shaped inclined diaphragm 5 in the present example is: when the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the middle of the face layer 2 at the top of the side panel 1, or the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the periphery of the face layer 2 at the top of the side panel 1, the field between the bent crease line and the top edge of the mesh-shaped inclined diaphragm 5 constitutes the connection at the top edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the face layer 2; similarly, the field between the bent crease line and the bottom edge of the mesh-shaped inclined diaphragm 5 constitutes the connection at the bottom edge of the mesh-shaped inclined diaphragm 5, when the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the face layer 2 at the top of the side panel 1 or the face layer 2 at the bottom of the side panel 1, wherein the connection is parallel to the side panel 1.

The implement principle of Example 5 differs from Example 4 in that: after the mesh-shaped vertical drawing strap 3 is connected to the two face layers 2, the top edge of one mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the top of the side panel 1 through the third reinforcing sheet 52, the bottom edge thereof is connected to the side panel 1 through the second reinforcing sheet 51, then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with mesh-shaped inclined diaphragm 5 at the top thereof is made.

Example 6

FIG. 18 shows Example 6, which differs from Example 1 in that: the inclined diaphragm 5 is a mesh-shaped inclined diaphragm 5 and the quantity thereof is two, the top edge of one mesh-shaped inclined diaphragm 5 is connected to the side panel 1 via the second reinforcing sheet 51 (specifically, the top edge of the mesh-shaped inclined diaphragm 5 is arranged between the second reinforcing sheet 51 and the inner surface of the side panel 1), while the bottom edge of the mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the bottom of the side panel 1 via the third reinforcing sheet 52 (specifically, the bottom edge of the mesh-shaped inclined diaphragm 5 is arranged between the third reinforcing sheet 52 and the inner surface of the face layer 2).

The top edge of the other mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the top of the side panel 1 via the third reinforcing sheet 52 (specifically, the top edge of the mesh-shaped inclined diaphragm 5 is arranged between the third reinforcing sheet 52 and the inner surface of the face layer 2), while the bottom edge of the mesh-shaped inclined diaphragm 5 is connected to the side panel 1 via the second reinforcing sheet 51 (specifically, the bottom edge of the mesh-shaped inclined diaphragm 5 is arranged between the second reinforcing sheet 51 and the inner surface of the side panel 1). So the produced inflatable bed with mesh-shaped drawing straps has mesh-shaped inclined diaphragms 5 at the top and at the bottom. The mesh-shaped vertical drawing strap 3 in the present example is illustrated by a sheet-shaped mesh 5 as an example, to explain the mesh-shaped inclined diaphragm 5, however, the inflatable bed with mesh-shaped inclined diaphragm 5 both at the top and at the bottom in the present example includes but is not limited to the mesh-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the mesh-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed, the lateral-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed, the breadth-connected strap-shaped vertical drawing strap 3 arranged along the width direction of the inflatable bed and the breadth-connected strap-shaped vertical drawing strap 3 arranged along the length direction of the inflatable bed.

Optionally, the second reinforcing sheet 51 includes at least one adhesive layer, wherein the adhesive layer is a glue layer or a PVC layer, the glue layer can be made of a hot-melt adhesive or other glue material except the hot-melt adhesive. Preferably, the second reinforcing sheet includes an adhesive layer and a cloth layer, wherein the adhesive layer is arranged on the surface of the cloth layer, and the side face of the adhesive layer facing away from the cloth layer is connected to the connection of the mesh-shaped inclined diaphragm 5. When the adhesive layer is a hot-melt adhesive layer or a PVC layer, the hot-melt adhesive or the PVC after being melted flows in the mesh-holes at the connection between the mesh-shaped inclined diaphragm 5 and the side panel 1, and is connected to the inner surface of the side panel 1. The side panel 1, the connection of the mesh-shaped inclined diaphragm 5 and the second reinforcing sheet 51 are connected to each other after the hot-melt adhesive or the PVC is cured.

Similarly, the third reinforcing sheet 52 includes at least one adhesive layer, the adhesive layer is a glue layer or a PVC layer, and the glue layer can be made of hot-melt adhesive or other glue material except the hot-melt adhesive. Preferably, the third reinforcing sheet 52 includes an adhesive layer and a cloth layer, wherein the adhesive layer is arranged on the surface of the cloth layer, and a side face of the adhesive layer facing away from the cloth layer is connected to the connection of the mesh-shaped inclined diaphragm 5. When the adhesive layer is a hot-melt adhesive layer or a PVC layer, the hot-melt adhesive or the PVC after being melted flows in the mesh-holes at the connection between the mesh-shaped inclined diaphragm 5 and the face layer 2, and is connected to the inner surface of the face layer 2. The face layer 2, the connection of the mesh-shaped inclined diaphragm 5 and the third reinforcing sheet 52 are connected to each other after the hot-melt adhesive or the PVC is cured.

The above connection of the mesh-shaped inclined diaphragm 5 means:

(1) For the mesh-shaped inclined diaphragm 5 at the bottom of the inflatable bed, the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the face layer 2 at the top of the side panel 1 or the face layer 2 at the bottom of the side panel 1, the field between the bent crease line and the top edge of the mesh-shaped inclined diaphragm 5 constitutes the connection at the top edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the side panel 1. Similarly, the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the middle of the face layer 2 at the bottom of the side panel 1; or the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the periphery of the face layer 2 at the bottom of the side panel 1, the field between the bent crease line and the bottom edge of the mesh-shaped inclined diaphragm 5 is the connection at the bottom edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the face layer 2.

(2) For the mesh-shaped inclined diaphragm 5 at the top of the inflatable bed, the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the middle of the face layer 2 at the top of the side panel 1, or the top edge of the mesh-shaped inclined diaphragm 5 is bent towards the periphery of the face layer 2 at the top of the side panel 1, the field between the bent crease line and the top edge of the mesh-shaped inclined diaphragm 5 constitutes the connection at the top edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the side panel 1; similarly, the bottom edge of the mesh-shaped inclined diaphragm 5 is bent towards the face layer 2 at the top of the side panel 1, or the face layer at the bottom of the side panel 1, the field between the bent crease line and the bottom edge of the mesh-shaped inclined diaphragm 5 is the connection at the bottom edge of the mesh-shaped inclined diaphragm 5, wherein the connection is parallel to the side panel 1.

Preferably, the second reinforcing sheet 51 and the third reinforcing sheet 52 are made of the same material as the side panel 1 and the face layers 2, by which the inner surfaces of the cloth layers each are provided with an adhesive layer, namely, the cloth layers of both the second reinforcing sheet 51 and the third reinforcing sheet 52 are each made of an oxford layer and so on, the adhesive layer is a mucilage layer or a glue layer or a PVC layer, and at the meantime, the adhesive layer is waterproof. For example, the second reinforcing sheet 51, the third reinforcing sheet 52, the side panel 1 and the face layers 2 can all be made in such a way, that the inner surface of the oxford layer is provided with a PVC layer, which is melted after the first reinforcing sheet 31 is heated, such that the PVC flows in the mesh-holes at the top edge of the mesh-shaped vertical drawing strap 3, is adhered to the PVC layer of the inner surface of the face layer 2, and is formed after curing.

The implement principle of Example 6 differs from Embodiment 1 in that: after the mesh-shaped vertical drawing strap 3 is connected to the two face layers 2, the top edge of one mesh-shaped inclined diaphragm 5 is connected to the face layer 2 at the top of the side panel 1 through the third reinforcing sheet 52, while the bottom edge thereof is connected to the side panel 1 through the second reinforcing sheet 51, then the top edge of one mesh-shaped inclined diaphragm 5 is connected to the side panel 1 through the second reinforcing sheet 51, while the bottom edge thereof is connected to the face layer 2 at the bottom of the side panel 1 through the third reinforcing sheet 52, and then the top edge of the side panel 1 is melted and connected to the periphery of one face layer 2, while the bottom edge of the side panel 1 is melted and connected to the periphery of the other face layer 2, such that the inflatable bed with mesh-shaped drawing straps that is configured with inclined diaphragms 5 both at the top and at the bottom thereof is made.

Example 7

This example differs from Example 6 in that: the above mesh-shaped vertical drawing strap 3 and the mesh-shaped inclined diaphragm 5 were both made by cutting the mesh woven by modified polyester fiber, the modified polyester fiber was prepared by melting and spinning the modified polyester fiber masterbatch, and furthermore, the modified polyester fiber masterbatch was prepared by the following steps:

0.3 kg of nano silica, 0.1 kg of nano zinc oxide and 0.4 kg of kapok fiber were mixed to obtain a modified filler; and

6 kg of polyester fiber masterbatch, 1.5 kg of polyamide-6, 1 kg of ethylene-methyl acrylate copolymer were mixed, and heated to 150° C. under stirring, 0.8 kg of above modified filler was added under stirring, and extruding and granulating were performed to obtain a modified polyester masterbatch. In particular, the temperature of the extruding zone during extruding and granulating were as follows: the first zone was 150° C., the second zone was 165° C., the third zone was 180° C., the fourth zone was 195° C., and the fifth zone was 185° C.

In particular, the particle size of the nano silica was 20-40 nm, the BET specific surface area of the nano silica was 100-150 m²/g; the size of the nano zinc oxide was 30-50 nm, the BET surface area of the nano zinc oxide was 40-80 m²/g; and the length of the kapok fiber was 8-15 mm and the average diameter of the kapok fiber at the middle part was 30-36 μm.

The modified polyester fiber was prepared by spinning of the modified polyester masterbatch, and the spinning parameters were as follows:

The spinning temperature was 295° C., the spinning speed was 2000 m/min, the drawing speed was 650 m/min, the spin-stretch ratio was 3, the side-blowing temperature was 22° C., the relative humidity of the supply air was 55%, the air speed was 0.3 m/s, and the stretching temperature was 65° C.

In the present example, the source of the polyester masterbatch, the polyamide-6, the ethylene-methyl acrylate copolymer and the kapok fiber are shown in table 1:

TABLE 1

source of the raw materials

Raw material name
Manufacturer
Model/brand

Polyester masterbatch
Shanghai Huzheng Industrial
PK20-PET

Co., Ltd

Polyamide-6
Dutch DSM
K224-PG8

Ethylene-methyl
Dupont
1209 AC

acrylate copolymer

Kapok fiber
Shandong Aorong Clothing
/

Co., Ltd

The raw materials in the above table were all specifically selected for the examples and comparative examples. However, in the actual production of the modified polyester fiber, the sources of the raw materials are not limited to the above models.

Examples 8-9

These examples differed from example 7 in that: the usage amount of the raw materials and the process parameter were different, specifically shown in table 2:

TABLE 2

raw materials, the usage amount and the process parameters of

the modified polyester fiber masterbatch in Examples 7-9.

Example
Example
Example

Items
7
8
9

Materials and
Polyester masterbatch (kg)
6
7
7.5

the usage
Polyamide-6 (kg)
1.5
1.2
1

amount
Ethylene-methyl acrylate copolymer (kg)
1
0.9
0.8

thereof
Modified
Nano silica (kg)
0.3
0.3
0.2

fillers
Nano zinc oxide (kg)
0.1
0.1
0.1

Kapok fiber (kg)
0.4
0.2
0.1

Process
Heating temperature under stirring/° C.
150
150
155

parameters
Temperature
First zone/° C.
150
155
160

of extrusion
Second zone/° C.
165
170
175

granulation
Third zone/° C.
180
185
190

Fourth zone/° C.
195
200
205

Fifth zone/° C.
185
190
195

Example 10

This example differed from above Example 7 in that: the modified filler was modified by a coupling agent, and the method for preparing the modified filler included the following steps:

- 0.24 kg of KH550 silane coupling agent, 0.06 kg of an isopropyl Tri (dioctyl Phosphato) titanate were added into 1 kg of isopropanol aqueous solution with a mass fraction of 50% under stirring to obtain a mixture;
- the above 0.3 kg of nano silica, 0.1 kg of nano zinc oxide, and 0.4 kg of kapok fiber were mixed, the mixture was added under stirring, a temperature was maintained at 40° C. for 15 min, and filtering, drying and discharging were performed to obtain the modified fillers.

Examples 11-12

Examples 11-12 differed from above example 10 in that: the usage amount of the raw materials of the modified fillers and the process parameters were different, specifically shown in table 3:

TABLE 3

raw materials, the usage amount and the process parameters of the modified fillers in Examples 10-12

Items
Example 10
Example 11
Example 12

Materials
Mixture
KH550 silane coupling
0.24
0.24
0.08

and the

agent (kg)

usage

Titanate
Types
Isopropyl
Isopropyl
Isopropyl

amount

coupling agent

Tri(dioctylpyrophosphoryl)
Tri(dodecylbenzenesulfonyl)
Tri(dioctylpyrophosphoryl)

thereof

Titanate
Titanate
Titanate

Usage
0.06
0.06
0.02

amount

(kg)

Isopropanol
Mass
50
55
60

aqueous
fraction/%

solution
Usage
1
1
1

amount

(kg)

Fillers
Nano silica (kg)
0.3
0.3
0.3

Nano zinc oxide (kg)
0.1
0.1
0.1

Kapok fiber (kg)
0.4
0.4
0.4

Process
Holding temperature/° C.
40
45
50

parameters
Holding temperature/min
15
12
10

COMPARATIVE EXAMPLES
Comparative Example 1

This Comparative example 1 differed from above Example 10 in that: the usage amount of polyamide-6 was 0.3 kg, and the usage amount of polyester masterbatch was 7.2 kg.

Comparative Example 2

This Comparative example 2 differed from above Example 10 in that: the usage amount of polyamide-6 was 2.5 kg, and the usage amount of polyester masterbatch was 5 kg.

Comparative Example 3

This Comparative example 3 differed from above Example 10 in that: polyamide-6 was not used, and the usage amount of polyester masterbatch was 5 kg.

Comparative Example 4

This Comparative example 4 differed from above Example 10 in that: kapok fiber was not used, the usage amount of the nano silica was 0.5 kg, and the usage amount of the nano zinc oxide was 0.3 kg.

Comparative Example 5

This Comparative example 5 differed from above Example 10 in that: nano zinc was not used, and the usage amount of the nano silica was 0.4 kg.

The raw materials and usage amount thereof in above Comparative examples 1-5 were shown in table 4:

TABLE 4

raw materials and usage amount in Example 10 and Comparative examples 1-5

Comparative
Comparative
Comparative
Comparative
Comparative

Items
Example 10
example 1
example 2
example 3
example 4
example 5

Polyester masterbatch (kg)
6
7.2
5
7.5
6
6

Polyamide-6 (kg)
1.5
0.3
2.5
/
1.5
1.5

Ethylene-methyl acrylate copolymer
1
1
1
1
1
1

(kg)

Modified
Mixture
KH550 silane
0.24
0.24
0.24
0.24
0.24
0.24

fillers

coupling agent (kg)

Titanate
Type
Isopropyl Tri(dioctylpyrophosphoryl) Titanate

coupling
Usage
0.06
0.06
0.06
0.06
0.06
0.06

agent
amount

(kg)

Isopropanol
Mass
50
50
50
50
50
50

aqueous
fraction/

solution
%

Usage
1
1
1
1
1
1

amount(kg)

Fillers
Nano silica (kg)
0.3
0.3
0.3
0.3
0.5
0.4

Nano zinc oxide (kg)
0.1
0.1
0.1
0.1
0.3
/

Kapok fiber (kg)
0.4
0.4
0.4
0.4
/
0.4

The modified polyester fiber prepared in Examples 7-12 and Comparative examples 1-5 were tested for the tensile strength, the elongation at fracture, the bending property. The mesh was further weaved by the modified polyester fiber of corresponding Examples and Comparative examples, and the tensile strength of the corresponding mesh was tested. The test method and the test data were shown as follows.

1) Test Method

(1) Tests of the tensile strength and elongation at fracture were tested according to GB/T14344-2008 testing method for tensile of man-made filament yarns. In particular, the gripper was moved at a speed of 250 mm/min;

(2) Bending test: a modified polyester fiber was folded in half and compacted under a pressure of 3 atmospheres for 1 hour to observe whether there was a crease at the folded portion of the modified polyester fiber.

(3) Tests of the tensile strength of mesh: a mesh sample with a length of 50 cm and a width of 5 cm was cut, and tested for the tensile strength at a tensile speed of 50 mm/min.

2) Test Result

TABLE 5

performance of the modified polyester fiber and the

mesh in Examples 7-12 and Comparative examples 1-5

Tensile
Elongation

Tensile strength of
Tensile strength

strength of the
at fracture
Bending situation of
the fiber after
of the mesh/

Items
fiber/(N/mm)
of the fiber/%
the fiber
bending/(N/mm)
(N/mm)

Example 7
6.3
42.12
No crease at the
5.9
27.81

folded portion

Example 8
6.4
43.56
No crease at the
6
27.65

folded portion

Example 9
6.2
42.87
No crease at the
5.9
28.02

folded portion

Example 10
7.9
46.81
No crease at the
7.7
29.79

folded portion

Example 11
8.0
47.14
No crease at the
7.9
30.02

folded portion

Example 12
7.8
47.23
No crease at the
7.7
29.83

folded portion

Comparative
8.0
46.96
There was a crease at
7.4
30.06

example 1

the folded portion,

and an included angle

was defined

Comparative
7.2
44.91
No crease at the
6.9
28.23

example 2

folded portion

Comparative
8.1
47.02
There was a crease at
7.3
30.10

example 3

the folded portion,

and an included angle

was defined

Comparative
7.4
45.87
No crease at the
7.1
29.02

example 4

folded portion

Comparative
7.2
45.12
No crease at the
6.8
28.56

example 5

folded portion

According to above data, the modified polyester fiber prepared in the present application has a good tensile strength, a good flexibility, and a good bending resistance, and is not easy to deform and can maintain a good tensile strength after bending. The mesh weaved by the modified polyester fiber can be applied to be a mesh-shaped vertical drawing strap 3 and a mesh-shaped inclined diaphragm 5, such that a good connection and a good drawing stability of the inflatable bed can still be maintained after being deflated and folded for many times.

The usage amount of the polyamide-6 in Comparative example 1 was relatively low, there is no polyamide-6 in Comparative example 3, the tensile strength and the elongation at fracture of the modified polyester fiber were increased a little, however, there was an obvious crease at the folded portion of the fiber, and the tensile strength of the modified polyester fiber after bending was decreased significantly, which indicated that addition of polyamide-6 to the polyester masterbatch to be modified can improve the tensile strength and the flexibility of the modified polyester fiber, and enables the modified polyester fiber to possess a good flexibility and a good bending performance while resisting wrinkles. When the modified polyester fiber is applied to the mesh-shaped vertical drawing strap 3 and the mesh-shaped inclined diaphragm 5 of the inflatable bed, the inflatable bed can maintain a good connection and drawing function after being deflated, folded and inflated for many times.

The usage amount of the polyamide-6 in Comparative example 2 was excessive, the tensile strength and the elongation at facture of the prepared modified polyester fiber were decreased, compared with that of Example 10. The reason is that, the polyamide-6 itself has a flexibility and an elasticity, which reduces the tensile strength of the polyester fiber when the usage amount of the modified polyester fiber is excessive.

There was no kapok fiber in the modified filler in Comparative example 4, and there was no nano zinc oxide in the modified filler in Comparative example 5, the tensile strength and the elongation at fracture of the prepared modified polyester fiber were both decreased, the tensile strength of the modified polyester fiber after bending was decreased, and the tensile strength of the mesh was decreased as well, which indicated that the modified filler prepared by the nano silica, the nano zinc oxide and the kapok fiber can effectively improve the tensile strength and the flexibility of the polyester fiber, and further improves the tensile strength of the mesh weaved.

The above are the preferred embodiments of the present application, which are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

LIST OF REFERENCE SIGNS

- 1 side panel
- 2 face layer
- 3 mesh-shaped vertical drawing strap
- 31 first reinforcing sheet
- 41 inflating and deflating mouth
- 42 micropump for inflation and deflation
- 5 inclined diaphragm
- 51 second reinforcing sheet
- 52 third reinforcing sheet
- 6 ventilation hole
- 100 first cavity
- 200 second cavity

INFLATABLE BED WITH MESH-SHAPED DRAWING STRAPS

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