BACKGROUND OF THE INVENTION
Technical Field
The present invention relates generally to a backpack, and more particularly to a backpack assembly for engaging a carrying accessory with a back plate.
Description of Related Art
Conventional backpacks are all integrated and non-detachable. In other words, a bag body and a bag strap of the conventional backpack are sewn together. As a result, the conventional backpack cannot replace the bag body with another bag body having different capacities or functions, which is inconvenient for the user.
BRIEF SUMMARY OF THE INVENTION
In view of the above, the primary objective of the present invention is to provide a backpack assembly, a carrying accessory, and a back plate, so that a user could use the same carrying accessory to match different bag bodies.
The present invention provides a carrying accessory, which is adapted to be connected to a bag body and includes a back plate, a bag strap, and a waistband, wherein the back plate has a first engaging portion and a second engaging portion which are opposite to each other. The first engaging portion is adapted to be engaged with the bag body. The back plate has a middle portion located between the first engaging portion and the second engaging portion, and one or more first connecting hole is disposed on the middle portion. The bag strap has two shoulder straps and a first connecting strap, wherein a first fastening member is disposed on each of the shoulder straps. The first connecting strap passes through the one or more first connecting hole. The waistband is engaged with the second engaging portion and is connected to the first fastening members.
The present invention further provides a backpack assembly, including a bag body and a carrying accessory adapted to be connected to the bag body, wherein the carrying accessory includes a back plate, a bag strap, and a waistband. The back plate has a first engaging portion and a second engaging portion which are opposite to each other. The first engaging portion is adapted to be engaged with the bag body. The back plate has a middle portion located between the first engaging portion and the second engaging portion, and one or more first connecting hole is disposed on the middle portion. The bag strap has two shoulder straps and a first connecting strap, wherein a first fastening member is disposed on each of the shoulder straps. The first connecting strap passes through the one or more first connecting hole. The waistband is engaged with the second engaging portion and is connected to the first fastening members.
The present invention further provides a back plate, which is adapted to be engaged with a bag body and is characterized in that the back plate has a first engaging portion and a second engaging portion which are opposite to each other, wherein the first engaging portion is adapted to be engaged with the bag body, and the second engaging portion is adapted to be engaged with a waistband; the back plate has a middle portion located between the first engaging portion and the second engaging portion, wherein the middle portion is adapted to be engaged with a bag strap.
With the aforementioned design, the back panel and the carrying accessory of the present invention can be engaged with different bag bodies, which is convenient for the user to change different bag bodies depending on the required demand.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
The present invention will be best understood by referring to the following detailed description of some illustrative embodiments in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic view of the carrying accessory according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view showing the first surface of the back plate;
FIG. 4 is a schematic view showing the second surface of the back plate;
FIG. 5 is a schematic view showing the first surface of the bag strap;
FIG. 6 is a schematic view showing the second surface of the bag strap;
FIG. 7 is a schematic view showing the bag strap engaged with the back plate;
FIG. 8 is a schematic view showing the bag strap engaged with the back plate at another position;
FIG. 9 is a simplified sectional view along line 9-9 in FIG. 8 showing the first connecting strap of the bag strap penetrating through the first connecting hole of the back plate;
FIG. 10 is a perspective view of the waistband;
FIG. 11 is a schematic view showing how the back plate is to be engaged with the waistband;
FIG. 12 is a schematic view showing the back plate engaged with the waistband;
FIG. 13 is a sectional view along the 13-13 line in FIG. 12;
FIG. 14 is a partially exploded view showing the carrying accessory as it is to be engaged with the bag body;
FIG. 15 is a schematic view showing the carrying accessory engaged with the bag body and wherein the bag strap and the waistband are omitted;
FIG. 16 is a partially exploded view showing the back plate engaged with the bag body alone;
FIG. 17 is a schematic view showing the back plate engaged with the bag body and the engaging hole of the back plate connected to the engaging ring of the bag body via the engaging strap; and
FIG. 18 is a schematic view of a backpack assembly according to another embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
A backpack assembly 100 of an embodiment according to the present invention is illustrated in FIG. 1 and FIG. 2 and includes a carrying accessory 1 and a bag body 2 (shown in FIG. 14), wherein the carrying accessory 1 is adapted to be engaged with the bag body 2 and includes a back plate 10, a bag strap 20, and a waistband 30.
The back plate 10 has a first engaging portion 12 and a second engaging portion 14, which are opposite to each other, wherein the first engaging portion 12 is adapted to be engaged with the bag body 2. In addition, the back plate 10 has a middle portion 16 located between the first engaging portion 12 and the second engaging portion 14, wherein the middle portion 16 has one or more first connecting hole 16a. In the current embodiment, the middle portion 16 has at least two first connecting holes 16a, wherein one of the first connecting holes 16a is disposed closer to the upper first engaging portion 12 than the second engaging portion 14, while another first connecting hole 16a is disposed closer to the lower second engaging portion 14 than the first engaging portion 12. However, in other embodiments, the number of the first connecting hole could be three or more than three. Preferably, each of the first connecting holes is arranged at intervals in a longitudinal direction of the back plate 10.
As shown in FIG. 2 to FIG. 4, in the current embodiment, the back plate 10 has a first surface 10a and a second surface 10b, wherein the first surface 10a faces a user, and the second surface 10b faces the bag body 2. Preferably, in the current embodiment, a middle portion 16 of the first surface 10a forms a first bulging portion 17a, and a plurality of second bulging portions 17b are respectively formed on two lateral sides of the middle portion 16. For instance, as shown in FIG. 3, there are three second bulging portions 17b formed on each of two laterals sides of the middle portion 16, and a groove 17c is formed between each two adjacent second bulging portions 17b, and between an outer peripheral portion of the back plate 10 and the second bulging portions 17b, and between the first bulging portion 17a and the second bulging portions 17b, and between the outer peripheral portion of the back plate 10 and the first bulging portion 17a. With such design, when the user carries on the backpack assembly, the bulging portions and the grooves 17c between the user's back and the back plate 10 facilitate ventilation and heat dissipation, so that the user's back could feel more comfortable. Additionally, in the current embodiment, a first recessing portion 17d is formed on the second surface 10b at a position corresponding to the first bulging portion 17a, and a second recessing portion 17e is formed on the second surface 10b at a position corresponding to each of the second bulging portions 17b, so that the back plate 10 could be more light weight.
The bag strap 20 has two shoulder straps 22 and a first connecting strap 24, wherein a first fastening member 23 is disposed on each of the shoulder straps 22. The first connecting strap 24 is adapted to be penetrated through the first connecting hole 16a on the back plate 10, thereby to engage the bag strap 20 and the back plate 10. In the current embodiment, the bag strap 20 further includes a strap body 21 connected to the shoulder straps 22 and the first connecting strap 24.
As shown in FIG. 2, FIG. 3, FIG. 5, and FIG. 6, a first adhesive portion 18 is disposed on the middle portion 16 of the back plate 10 or is disposed on the entire first surface 10a of the back plate 10. The bag strap 20 has a first surface 20a facing the user and a second surface 20b facing the back plate 10. A second adhesive portion 26 is disposed on the second surface 20b, and could be detachably engaged with the first adhesive portion 18. For instance, the first adhesive portion 18 could be a loop fastener, and the second adhesive portion 26 could be a hook fastener. Alternatively, in an embodiment, one of the first adhesive portion 18 and the second adhesive portion 26 could be a fastener, and the other one could be made of a material that could be attached to the fastener.
As shown in FIG. 7 to FIG. 9, when the bag strap 20 is to be engaged with the back plate 10, the second surface 20b of the bag strap 20 is directed toward the first surface 10a of the back plate 10 first, and the first connecting strap 24 is penetrated through one of the first connecting holes 16a and is penetrated through the second surface 10b of the back plate 10. After that, the first connecting strap 24 is penetrated through another first connecting hole 16 of the back plate 10 and is penetrated through the first surface 10a of the back plate 10 to be engaged with the bag strap 20. As shown in FIG. 8, in an embodiment, an engaging member 27 is disposed on the strap body 21, and the first connecting strap 24 passing through the another first connecting hole 16 could be engaged with the engaging member 27, wherein the engaging member 27 could be, but not limited to, a release buckle, a snap button, a snap hook, a webbing buckle, a three way buckle, a fastener, a clasp, or etc. It is noted that, a position that the bag strap 20 engaged with the back plate 10 could be adjusted to meet various requirements. For instance, as shown in FIG. 7, the bag strap 20 is engaged with the back plate 10 at a middle position of the back plate 10, and is fixed on the back plate 10 accordingly by engaging the second adhesive portion 26 on the bag strap 20 and the first adhesive portion 18 on the back plate 10. Alternatively, as shown in FIG. 8, the bag strap 20 is engaged with the back plate 10 at an upper position of the back plate 10. However, in other embodiments, the bag strap 20 could be engaged with the back plate 10 at a lower position of the back plate 10 close to the lower first connecting hole 16a.
In the current embodiment, a pair of engaging members 28a, 28b which could be engaged with each other is further disposed on the shoulder straps 22, so that when the user wears the bag strap 20, the engaging members 28a, 28b could be engaged with each other to stably provide the shoulder straps 22 on the user's shoulders.
As shown in FIG. 2 and FIG. 10, the waistband 30 is engaged with the second engaging portion 14 of the back plate 10 and is connected to the first fastening members 23 on the bag strap 20. In the current embodiment, the waistband 30 has a pocket 32 for receiving the second engaging portion 14 of the back plate 10. A pair of engaging members 34a, 34b is disposed on two lateral sides of the waistband 30 respectively, wherein the engaging members 34a, 34b could be engaged with each other, so that the waistband 30 forms a circle surrounding the user's waist. In addition, two second fastening members 36 are disposed on the waistband 30 for being detachably engaged with the first fastening members 23 on the bag strap 20 respectively, so that the shoulder straps 22 could be carried by the user. With such design, when the waistband 30 is fixed on the user's waist, the waistband 30 could provide a corresponding supporting force to the back plate 10.
As shown in FIG. 11 to FIG. 13, in the current embodiment, a second connecting hole 14a is disposed on the second engaging portion 14, and a second connecting strap 38 is disposed on the waistband 30. When the second engaging portion 14 of the back plate 10 is received into the pocket 32, the second connecting strap 38 is penetrated through the second connecting hole 14a and is fixed, thereby to engage the back plate 10 and the waistband 30, preventing the second engaging portion 14 of the back plate 10 being disengaged from the pocket 32. Preferably, an engaging member 38a is disposed on the second connecting strap 38, and an engaging portion 39 is disposed on the waistband 30, so that when the second connecting strap 38 passes through the second connecting hole 14a, the second connecting strap 38 could be fixed by engaging the engaging member 38a and the engaging portion 39. For instance, the engaging member 38a could be a fastener, and the engaging portion 39 could be another relative fastener, so that the engaging member 38a could be detachably engaged with the engaging portion 39. It is noted that, in the current embodiment, the engaging portion 39 is disposed on an interlayer inside the pocket 32, which provides a better appearance. In addition, since the second connecting strap 38 is engaged with the engaging portion 39 inside the pocket 32, a possibility that the engaging member 38a of the second connecting strap 38 being unexpectedly disengaged from the engaging portion 39 could be reduced.
As shown in FIG. 14 and FIG. 15, while using the backpack assembly 100 of the present invention, the back plate 10 is engaged with the bag body 2. For instance, in an embodiment, the bag body 2 has an engaging pocket 3, and the first engaging portion 12 of the back plate 10 could be received into the engaging pocket 3, so that when the user carries the carrying accessory 1, the carrying accessory 1 could hold the bag body 2 via the first engaging portion 12 of the back plate 10. In addition, when the user wants to change different types of bag body 2 (e.g. bag body with different functions or different capacities), the bag body 2 could be changed by simply taking out the first engaging portion 12 of the back plate 10 from the engaging pocket 3 of the bag body 2, which is quick and convenient. Moreover, to further enhance the engaging stability between the back plate 10 and the bag body 2, a plurality of engaging rings 4 could be disposed on the bag body 2, and a plurality of engaging holes 19 could be disposed on two lateral sides of the back plate 10, so that the user could connect the engaging rings 4 and the engaging holes 19 by using an engaging member such as ropes, engaging straps, ring fasteners, or etc., strengthening an engaging performance between the back plate 10 and the bag body 2.
As shown in FIG. 16 and FIG. 17, in an embodiment, the back plate 10 could be engaged with the bag body 2 singly. For instance, by using an engaging strap 40 to penetrate through at least one of the engaging holes 19 on the same side of the back plate 10 and at least one of the engaging rings 4 on the corresponding side of the bag body 2 first, and the engaging strap 40 is fixed via an engaging member 6 such as, but not limited to, a release buckle, a snap button, a snap hook, a webbing buckle, a three way buckle, a fastener, a clasp, a belt buckle, or etc. In this way, the user could carry the back plate 10 and the bag body 2 via the engaging strap 40. In other words, the backpack becomes a hand-carry backpack, providing various ways of use. Additionally, the other side of the back plate 10 and the corresponding side of the bag body 2 could be engaged by using another engaging strap 41. However, the engaging member is not limited by the aforementioned design, but could be other engaging members such as a ring fastener or etc. to engage the engaging holes 19 of the back plate 10 and the engaging rings 4 of the bag body 2.
As shown in FIG. 18, in another embodiment according to the present invention, two first engaging portions 7a are disposed on an upper half portion of a bag body 7, and two positioning holes 19a are disposed on the back plate 10, and a second engaging portion 22a is disposed on each of the shoulder straps 22 of the bag strap 20. In the current embodiment, each of the first engaging portions 7a is a ring, and each of the second engaging portions 22a is a ring fastener connected to the shoulder straps 22. When the back plate 10 is erected, the first engaging portions 7a are disposed in a same horizontal direction of the bag body 7, and the positioning holes 19a are disposed in a same horizontal direction of the back plate 10. During the process of assembling, the two first engaging portions 7a could be respectively penetrated through the two positioning holes 19a first, and the second engaging portions 22a are respectively and detachably engaged with the first engaging portions 7a. In this way, when the user wears the shoulder straps 22, the second engaging portions 22a hold the first engaging portion 7a, so that the bag body 7 could be positioned on a rear side of the back plate 10. However, the structures of the first engaging portion and the second engaging portion are not limited by the aforementioned design, but could be other engaging members such as a pair of connecting buckles, a pair of belt buckles, male and female buckles, hook and loop fasteners, or other equivalent structures. In other embodiments, when the back plate 10 is erected, two positioning holes 19a are disposed in each of a plurality of horizontal directions of the back plate 10, and the positioning holes 19a in different horizontal directions are arranged at intervals in a longitudinal direction of the back plate 10, wherein the positioning holes 19a could be disposed on the second bulging portions 17b of the back plate 10. During the process of assembling, the user could selectively penetrate the first engaging portions 7a through any two positioning holes 19a disposed in the same horizontal directions of the back plate 10.
As shown in FIG. 18, in the current embodiment, two third engaging portions 7b are disposed on a lower half portion of the bag body 7, and two fourth engaging portions 30a are disposed on the waistband 30, wherein the fourth engaging portions 30a could be respectively engaged with the third engaging portions 7b. For instance, in the current embodiment, each of the third engaging portions 7b is a ring, and each of the fourth engaging portions 30a is a ring fastener, so that the third engaging portions 7b and the fourth engaging portions 30a could be detachably engaged. However, in other embodiments, the third engaging portions 7b and the fourth engaging portions 30a could be other engaging members such as a pair of connecting buckles, a pair of belt buckles, male and female buckles, hook and loop fasteners, or other equivalent structures.
In summary, with the backpack assembly, the carrying accessory, and the back plate of the present invention, the user not only could easily change different bag bodies with different functions, different capacities, or different sizes, but also could carry the bag body in various ways (e.g. as a backpack or as a hand-carry bag).
It must be pointed out that the embodiments described above are only some preferred embodiments of the present invention. All equivalent structures which employ the concepts disclosed in this specification and the appended claims should fall within the scope of the present invention.
Patent Application
20200337445
