HAIR STRAIGHTENING DEVICE

Abstract

A hair straightening device comprises: a hand-held part, a first outlet member, a second outlet member. The second outlet member is arranged parallel to the first outlet member, the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member; wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member; wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space; wherein the air outlet is provided with a plurality of deflectors spaced along the direction of the outlet member.

Description

CROSS-REFERENCE OF RELATED APPLICATION

The present application claims foreign priorities of Chinese Patent Application No. 202311106852.4, filed on Aug. 30, 2024, and Chinese Patent Application No. 202421197895.8, filed on May 28, 2024, the entire contents of which are hereby incorporated by reference.

TECHNICAL FIELD

The present disclosure relates to a technical field of hair straightening device, and more particularly to an air outlet assembly and a hair straightening device.

BACKGROUND

Hair straightening device is composed of a group of electric heating wires and a high-speed fan. When the electric heating wires is powered on, it will generate heat, the airflow blown out by the fan will become hot after passing through the electric heating wires. If the electric heating wires is powered off and do not generate heat, the airflow blown out is not hot. Hair straightening device is usually used for hair drying and shaping, and it can also be used for local drying, heating and physical therapy in laboratories, physiotherapy rooms, industrial production, art, etc.

Regarding current hair straightening devices, the airflow is generally blown out from the end of the air tube or nozzle, and the angle of action on the hair is relatively large. During the hair drying process, the user's hair may be easily messed up by the hair straightening device, which makes the user's hair easily tangled and difficult to comb, thereby reducing the user's experience.

SUMMARY

The purpose of the present disclosure is to provide a hair straightening device.

In a first aspect of the present disclosure, a hair straightening device is provided. The hair straightening device comprises: a hand-held part, a first outlet member, a second outlet member. The second outlet member is arranged parallel to the first outlet member, the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member; wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member; wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space; wherein the air outlet is provided with a plurality of deflectors spaced along the direction of the outlet member.

In a second aspect of the present disclosure, a hair straightening device is provided. The hair straightening device comprising: a main body; an outlet assembly connected to the main body, the outlet assembly comprises two outlet members arranged at a relative interval to define a working space. The outlet member comprises: a sleeve including an air chamber and an air outlet, the air outlet is arranged on the side of the sleeve facing the working space; an air guide portion connected to the side of the sleeve with the air outlet, the air guide portion is arranged with at least part of the sleeve at intervals to define an air channel; wherein the air channel is a curved channel, the air chamber is connected to the working space through the air outlet and the air channel in sequence, so that airflow in the air chamber can flow through the air outlet and the air channel in sequence to enter the working space.

In a third aspect of the present disclosure, a hair straightening device comprises: a motor, configured for generating airflow; an inner housing, including a hand held part and two outlet members connected with the hand held part respectively, the two outlet members together define a working space; wherein the hand held part includes a first air channel to accommodate the motor, at least one outlet member includes a second air channel communicated with the working space and the first air channel, the airflow generated by the motor can be flowed into the working space through the second air channel; and an outer housing, surrounded the inner housing and spaced apart from the inner housing along a direction from the first air channel to the second air channel to define a third air channel; wherein the inner housing is provided with an entrance at a position of the hand held part to communicated the first air channel and the third air channel, the outer housing is provided with an exit at a position relative to the outlet member to communicated the third air channel and the outside of the hair straightening device.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to illustrate the technical solutions in the embodiments of the present disclosure more clearly, the drawings required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present disclosure. For one of ordinary skill in the art, other drawings may also be obtained according to these drawings without paying any creative effort.

FIG. 1 is a schematic diagram of a hair straightening device according to an embodiment of the present application.

FIG. 2 is an schematic diagram of an outlet assembly according to an embodiment of the present application.

FIG. 3 is an schematic diagram profile structure of outlet assembly as shown in FIG. 2.

FIG. 4 is a side view diagram of the outlet assembly as shown in FIG. 2.

FIG. 5 is a cross-section diagram of the outlet assembly along the A-A direction as shown in FIG. 4.

FIG. 6 is a schematic diagram of a hair straightening device according to another embodiment of the present application.

FIG. 7 is a schematic diagram of the partial structure of FIG. 6.

FIG. 8 is a cross-sectional view of the hair straightening device of FIG. 6.

FIG. 9 is a front view of the hair straightening device of FIG. 6.

FIG. 10 is a cross-section diagram of the hair straightening device along the B-B direction as shown in FIG. 9.

FIG. 11 is a schematic diagram of the airflow of the hair straightening device in FIG. 9.

FIG. 12 is a top view of the hair straightening device of FIG. 6.

FIG. 13 is another schematic diagram of the hair straightening device of FIG. 6.

FIG. 14 is a schematic diagram of a hair straightening device according to another embodiment of the present application.

FIG. 15 is a schematic diagram of a hair straightening device without outer housing.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

Technical solutions of the present disclosure will be described in detail with reference to the drawings, in which the same numbers refer to the same or similar elements unless otherwise specified. It will be appreciated that the described embodiments represent some, rather than all, of the embodiments of the present disclosure. Other embodiments conceived or derived by those having ordinary skills in the art based on the described embodiments without inventive efforts should fall within the scope of the present disclosure.

Embodiments of the present disclosure shown in the drawings will be described in detail below. When describing the accompanying drawings, unless otherwise noted, the same reference number in different drawings indicate the same or similar elements. The embodiments described below do not represent all of the possible embodiments of the present disclosure. Instead, the embodiments described below are only some devices and methods that are consistent with various aspects of invention defined by the claims.

Referring to the FIG. 1, an embodiment of the present disclosure provides an outlet assembly 100, which can be applied to a hair straightening device 200, the hair straightening device 200 can be used for drying hair quickly. The type of the hair straightening device 200 is not limited in the present disclosure, for example, the hair straightening device 200 can be a hair straightening device for humans or for pets.

In an embodiment, the hair straightening device 200 may include a main body 20 and the outlet assembly 100 connected to the main body 20. The main body 20 can be provided with a blowing port 21, the outlet assembly 100 can be communicated with the blowing port 21. The structure of the main body 20 is not limited in the present disclosure, for example, the main body 20 may include a housing, a motor, a heating element, a circuit board and other structures, wherein the housing 23 of the main body 20 can be in the shape of a long cylinder or a “T” shape. As an example, the housing of the main body 20 is in the shape of long cylinder, the blowing port 21 can be opened at one end of the housing, the airflow can be arranged relatively straight, and the hair straightening device can achieve a larger air volume and wind force under a certain power.

The housing 23 can also have an inlet, the inlet and the blowing port 21 can be respectively arranged at both ends of the housing 23. A circuit board, a motor and a heating element can be arranged in the housing 23. The circuit board can be etched with a circuit for controlling the operation of the motor and the heating element, which is used for controlling the operation of the hair straightening device 200. The motor can be used to be driven to generate airflow, and the airflow can be blown out from the hair straightening device 200. The heating element can be a heating wire, which may be arranged at one end of the housing 23 close to the blowing port 21, the heating element can be used to heat the airflow, so that hot airflow can be blown out from the hair straightening device 200. When the hair straightening device 200 is used, the motor and the heating element can be controlled and started by the circuit board. The air can be sucked into the housing 23 through the inlet, and an airflow can be generated. The airflow can be heated by the heating element, and entered the outlet assembly 100 through the blowing port, and blown out from the outlet assembly 100 to dry the user's hair.

Referring to the FIG. 1 and FIG. 2, the outlet assembly 100 can be connected to the housing 23, and communicated with the blowing port 21, the airflow can be blown out from the outlet assembly 100. The outlet assembly 100 can include two outlet members 10 arranged at a relative interval, a working space 30 can be formed between the two outlet members 10.

Referring to the FIG. 3, the outlet member 10 can have an air chamber 121 and an air outlet 123, the air chamber 121 can be communicated with blowing port 21, the air outlet 123 can be located on the side of the outlet member 10 facing the working space 30. The two outlet member 10 can have the same structure, the air outlets 123 of the two outlet members 10 are both facing the working space 30. User can put hair into the working space 30, the airflow from the air outlet 123 can blow into the working space 30 to dry the hair. Putting the hair into the working space 30 to dry can reduce the possibility of being blown messy and tangled, to improve the user experience. Furthermore, the airflow blown from the air outlet 123 into the working space 30 can be blown directly onto the hair, which can reduce the airflow speed and heat loss, so as to achieve drying the hair quickly and efficiently.

The outlet assembly 100 can include a mounting portion 50, which is connected between the two outlet members 10 and connected to the housing 23. The mounting portion 50 can be connected to the housing 23 by threads, or by snaps. The mounting portion 50 can be a hollow shell, the inner cavity of the mounting portion 50 can be connected to the housing 23 through the blowing port 21. The end of the mounting portion 50 away from the housing 23 can be provided with two connecting ports 52, the two connecting ports 52 can be arranged at intervals. The end surfaces of the two connecting ports 52 can be protruded relative to the end of mounting portion 50 away from the housing 23, so that mounting portion 50 can be roughly “U”-shaped. The two outlet members 10 can be respectively connected to the two connecting ports, the connecting port 52 can be connected to the inner cavity of the mounting portion 50 and the air chamber 121 of the outlet member 10, the air chamber 121 can connected to the blowing port 21 through the mounting portion.

In this embodiment, the two outlet members 10 can have the same structure, and the two outlet members 10 can be symmetrically arranged about the working space 30. The outlet member 10 can include a sleeve 12 and an air guide portion 14, the sleeves 12 of the two outlet members 10 can be respectively connected to the two connecting ports 52, the two sleeves 12 can be arranged at a relative interval in a first direction X. The working space 30 can be formed by the two sleeves 12 for placing hair. A slope 122 can be provided at the end of the sleeve 12 away from the mounting portion 50, the slope 122 can be connected between the surface of the sleeve 12 facing the working space 30 and the surface of the sleeve 12 away fro the working space 30. The slope 122 can have an inner end and an outer end, the inner end is the end of the slope 122 close to the working space 30, the outer end is the end of the slope 12 away from the working space 30. The end of the slope 122 close to the mounting portion 50 can be located on the side of the sleeve 12 facing the working space 30 (i.e., the inner end), the end of the slope 122 away from the mounting portion can be located on the side of the sleeve 12 away from the working space 30 (i.e., the outer end), that is, the distance between the inner end of the slope 122 and the mounting portion 50 is smaller than the distance between the outer end and the mounting portion 50, so that the end of the working space 30 away from the mounting portion 50 can be in an outwardly expanded opening shape, which is conducive to the user to easily put hair into the working space 30 from the opening. The slope 122 can be a smooth arc surface.

Referring to the FIG. 2 and FIG. 3, the air chamber 121 and the air outlet 123 can be both provided on the sleeve 12, the air outlet 123 can be provided on the side of the sleeve 12 facing the working space 30. The air guide portion 14 can be connected to the sleeve 12 having the air outlet 123, the air guide portion 14 and at least part of the sleeve 12 can be arranged at intervals, and can define an air channel 16 with the sleeve 12. The air channel 16 can be a curved channel, the air chamber 121 can be connected to the working space 30 through the air outlet 123 and the air channel 16 in sequence, the airflow in the air chamber 121 can flow through the air outlet 123 and the air channel 16 in sequence, and then can enter the working space 30. The airflow blown out from the curved air channel 16 can be blown onto the hair at a small angle, which can reduce hair flying and blow water off the hair to improve hair drying efficiency.

One end of the sleeve 12 can be connected to the mounting portion 50, the sleeve 12 can be communicated with the mounting portion 50, the other end of the sleeve 12 away from the mounting portion 50 can be closed. The connection method between the sleeve 12 and the mounting portion 50 is not limited in the present disclosure, for example, the sleeve 12 and the mounting portion 50 can be connected by adhesive connection, threaded connection or snap connection.

The air chamber 121 can be opened in the sleeve 12 along a second direction Y of the sleeve 12, the second direction Y refers to the length direction of the sleeve 12, the second direction Y intersects with the first direction X, the two directions can be perpendicular. The working space 30 can have a first end 32 and a second end 34 opposite to the first end 32, the first end 32 and the second end 34 can be both connected to the outside, the direction from the first end 32 to the second end 34 can be set as a third direction Z, the third direction Z intersects the second direction Y and the first direction X, for example, the third direction Z can be perpendicular to the second direction Y and the first direction X. the air channel 16 and the air outlet 123 can be both located on the first end 32, the airflow in the air chamber 121 can flow through the air outlet 123 and the air channel 16 in sequence, and flow into the working space 30 along the third direction Z.

The specific direction of the third direction Z is not limited in the present disclosure, the third direction Z may be changed according to the change of the holding angle by the user. As an example, when the user holds the housing 23 of the hair straightening device 200 horizontally, the length direction (i.e., the first direction X) of the sleeve 12 can be approximately horizontal, the third direction Z can be approximately parallel to the direction of gravity. User can put hair into the working space 30 from the end of the sleeve 12 away from the mounting portion 50. When the hair straightening device 200 is stared, the airflow in the air chamber 121 can flow into the working space 30 along the direction of gravity, user's hair can be naturally drooped along the direction of gravity, the water on the hair can be quickly taken away from the hair under the influence of gravity and airflow flowing roughly in the direction of gravity, to improve the efficiency of hair drying.

Referring to the FIGS. 3-5, the air outlet 123 can be provided on the side of the sleeve 12 close to the first end 32, and the air outlet 123 is extended along the second direction Y, one end of the air outlet 123 can be extended to the mounting portion 50, the other end of the air outlet 123 can be extended to the slope 122. The air outlet 123 can be penetrated by the side of the sleeve 12 facing the working space 30, the side of the sleeve 12 facing the working space 30 can be provided with a guide wall 125, the guide wall 125 is inclined relative to the third direction Z, the direction of the airflow passing through the guide wall 125 can intersect with the third direction Z. Specifically, the guide wall 125 is extended along the second direction Y, the end of the guide wall 125 close to the first end 32 can be relatively spaced from the side of the sleeve 12 close to the first end 32 to form the air outlet 123. The end of the guide wall 125 away from the air outlet 123 can be extended close to the working space 30, so that the guide wall 125 can be inclined relative to the third direction Z. In this embodiment, the guide wall 125 can be a roughly arc-shaped wall, which can reduce the loss of airflow.

The airflow flowing out through the air outlet 123 can flow into the working space 30 along the guide wall 125 to reduce the loss of the airflow when entering the working space 30. The airflow can be guided by the guide wall 125, so that the airflow can be blown onto the hair in the working space 30 at a small angle to improve the hair drying efficiency.

Furthermore, the sleeve 12 can be provided with a straight wall 127, which can be continuously connected to the end of the guide wall 125 away from the air outlet 123. The direction in which the straight wall 127 extended relative to the guide wall 125 can be parallel to the third direction Z, or the angle between the direction in which the straight wall 127 extended relative to the guide wall 125 and the third direction Z can be less than or equal to 5 degrees. The straight wall 127 is extended along the second direction Y, one end of the straight wall 127 can be continuously connected to the guide wall 125, and the other end of the straight wall 127 can be extended to the second end 34 along the third direction Z. The airflow guided by the guide wall 125 can be slowly changed along the straight wall 127 to a direction parallel to the third direction Z to improve the hair drying efficiency. In other embodiment, the straight walls 127 of the two outlet members 10 can be arranged parallel to each other, the airflow can also be blown onto the hair at a small angle.

The above-mentioned “continuously” can be understood as the surfaces of two elements smoothly transitioning to each other at the adjacent part, such as the connection gap is smaller than a specified value, or the two elements are located in the same plane, or the curved surfaces defined by the two elements are continuous, etc.; or it can be understood as the two elements jointly forming a specific appearance contour, such as jointly forming a step structure, an angle structure, a curved surface structure, etc. In this embodiment, the straight wall 127 and the guide wall 125 are roughly smoothly connected.

In the embodiment, the air guide portion 14 can be connected to the side of the sleeve 12 close to the first end 32, which can be configured to change the angle of the airflow blown out from the sleeve 12. The air guide portion 14 is extended along the second direction Y, one end of the air guide portion 14 can be connected to the sleeve 12, the other end of can be curved relative to the first direction X and spaced relative to the guide wall 125. The air guide portion 14 can be roughly arc-shaped, the air guide portion 14 can be arranged between the air outlet 123 and the working space 30, the side of the air guide portion 14 facing away from the working space 30 can be spaced relative to the guide wall 125 to define the air channel 16. The inner wall of the air guide portion 14 at the end away from the air outlet 123 and the outer wall of the sleeve 12 can be spaced together to form a guide port 141. In order to increase the speed of the airflow blowing into the working space 30, the guide port 141 can be set to be slender. In one embodiment, the dimension d1 of the guide port 141 along the first direction X can be set to be greater than or equal to 0.5 mm, and less than or equal to 3 mm. The dimension d2 of the guide port 141 along the second direction Y can be set to be greater than or equal to 50 mm, and less than or equal to 200 mm. Since the dimension of the guide port 141 along the first direction X is small, the guide port 141 can be a slot which is roughly in shape of elongated strip, the airflow can be blown into the working space 30 at a high speed after passing through the guide port 141, which can improve hair drying efficiency.

In this embodiment, although the sleeve 12 and the air guide portion 14 are different parts of the outlet member 10, the should nor be regarded as limiting the structure of the outlet member 10. The sleeve 12 and the air guide portion 14 can be an integrally formed connection structure, there may be no obvious dividing line between the sleeve 12 and the air guide portion 14. In other embodiment, the outlet member 10 can be formed by assembly connection, for example, the sleeve 12 and the air guide portion 14 can be made separately and assembled together by fasteners (such as screws, bolts, studs and other threaded fasteners) and/or adhesives to form the outlet member 10.

The air channel 16 can have a first opening 161 and a second opening 163 opposite to each other, the first opening 161 can be connected the air outlet 123, the second opening 163 can be connected to the working space 30, the guide port 141 can be arranged at the second opening 163. The direction from the first opening 161 to the second opening 163 intersects with the third direction Z, the first opening 161 and the second opening 163 can be arranged along the third direction Z. The airflow can be blown into the working space 30 from the second opening 163.

The inclination angle of the air channel 16 relative to the third direction Z is not limited in the present disclosure. In one example, the angle b between the direction from the first opening 161 to the second opening 163 and the third direction Z is greater than 0 degree, and less than or equal to 25 degrees. The airflow blown out from the air channel 16 can be slowly transition to 0 degree along the guide wall 125 and the straight wall 127, and then the airflow can be in the same direction as the hair in the working space 30, thus the airflow can blow onto the air at a small angle.

In order to reduce the loss of airflow blowing into the working space 30, the inner wall of the air chamber 121, the inner wall of the air outlet 123, and the inner wall of the air channel 16 can be smoothly connected in sequence, the airflow can flow into the working space 30 from the air guide port 141 with less loss. In some embodiments, the inner wall of the air chamber 121, the inner wall of the air outlet 123 and the inner wall of the air channel 16 can have a volute structure in cross section to increase pressure and speed of the airflow.

Referring to the FIGS. 2-3 again, the outlet assembly 100 can include a plurality of deflectors 70, which are arranged at intervals in the air channel 16 along the second direction Y. The deflector 70 can be an arc plate, the shape of the deflector can be fitted to the inner wall of the air channel 16. One end of the deflector 70 can be accommodated in the air outlet 123, and connected to two opposite side wall of the air outlet 123. The other end of the deflector 70 away from the air outlet 123 can be accommodated in the guide port 141, and connected to two opposite side wall of the guide port 141. The air channel 16 can be divided into multiple independent sub-channels 165 by the multiple deflectors 70, to improve the uniformity of the airflow blown into the working space 30. The distance between two adjacent deflectors 70 is not limited in the present disclosure, in one example, the distance between two adjacent deflectors 70 can be set to be greater than or equal to 2 mm, and less than or equal to 8 mm.

The two outlet member 10 can be arranged at intervals in the first direction X to define the working space 30, the dimension d3 of the working space 30 in the first direction X can be greater than or equal to 10 mm, and less than or equal to 30 mm. The two outlet member 10 can be symmetrically arranged relative to the working space 30.

The outlet member 100 can be applied to the hair straightening device 200, user can start the motor to generate airflow and put hair into the working space 30, the airflow can be blown out from the blowing port 21 and into the air chamber 121, and then the airflow can be flowed through the air outlet 123 and the air channel 16 to blow into the working space 30, the airflow can be flowed along the third direction Z.

Referring to FIGS. 6-12, a hair straightening device 400 can be provided in one embodiment of the present disclosure, which can help the user to create the effect of hair straightening. The hair straightener 400 can produce a high speed and hot airflow, which heats the hair to soften the hair, and the high-speed airflow can pull on the hair to straighten the hair while the hair is heated and blow-dried.

Referring to FIG. 6 and FIG. 9, the hair straightening device 400 can include a hand-held part 410, a first outlet member 420 and a second outlet member 430. The hand part 410 can be held by user, and a control button 450 can be arranged on the hand part 410 to control the hair straightening device 400, the control button 450 can be mechanical button or touch button. The first outlet member 420 and the second outlet member 430 can process the hair 460 to make the hair 460 straight, one end of the first outlet member 420 and one end of the second outlet member 430 can be respectively connected with the hand-held part 410, a working space 421 can be defined between the second outlet member 430 and the first outlet member 420, the hair 460 can be placed in the working space 421. The first outlet member 420 can be fixed to the second outlet member 430 through the hand-held part 410, and the first outlet member 420 can be arranged parallel to the second outlet member 430.

Referring to FIG. 8 and FIG. 10, the wall of working space 421 can include at least a guiding bevel 422, at least one of the first outlet member 420 and the second outlet member 430 can be provided with an air chamber 423 and an air outlet 424 communicated with the air chamber 423. The guiding bevel 422 can be arranged close to the air outlet 424, the airflow in the air chamber 423 can be flowed into the working space 421 through the air outlet 424 under the action of the guiding bevel 122.

The working space 421 can be semi-open, the air outlet 424 can be extended along the length direction of the first outlet member 420, that is, the air outlet 424 can be opened towards a semi-open space which can concentrate the speed and heat of the airflow to efficiently dry the hair.

Referring to FIG. 11, when the airflow a in the air chamber 423 is blown out through the air outlet 424, the airflow a can be flowed into the working space 421 under the guidance of the guiding bevel 422; since the airflow is flowed in the working space 421, a negative pressure can be generated on outside of working space 421, an airflow c can be formed outside the working space 421, and the airflow c can be flowed into the working space 421 under the action of negative pressure; the airflow a and the airflow c can be mixed in working space 421 to form an airflow b, and the airflow b can be circulated in the working space 421 to style hair 460. The airflow b can have a large pulling force under the action of negative pressure, and the hair 460 can be straightened under the limiting of the working space 421 and the blowing of the airflow b.

Referring to FIGS. 6-9, the first outlet member 420 and the second outlet member 430 can be arranged relative to each other to form a U-shaped structure. The working space 421 in the U-shaped structure can be used to place hair 160, and the airflow blown out from the air outlet 424 can be concentrated on the hair 460 to exert a large pull on the hair 460 and straighten the hair 460.

The hand-held part 410 can be provided with an air inlet 411, the airflow can be entered into the hand-held part 410 through the air inlet 411, and the airflow can be divided into two parts to enter the air chambers of the first outlet member 420 and the second outlet member 430 respectively. The pressure of airflow can be increased in the air chambers, and the airflow can be blown out through the air outlet 424. Since the airflow will blown into the working space 421 from the air outlet 424, the speed and heat of the airflow can be concentrated, the narrower the working space 421, the greater the force exerted on the hair 460. In order to facilitate the hair to be placed in the working space 421, the spacing of the working space 421 of the U-shaped structure needs to be within the appropriate range to meet the requirements of straight hair.

In the process of straightening the hair, the machine has no real contact with the hair, and the hair can be wrapped by the airflow to protect the hair. When the hair straightening device 400 is used as a hair straightening device, the air outlet 424 can be pointed at the hair 460, the hair 460 can be quickly dried by the high-speed and hot airflow.

In one embodiment, a plurality of deflectors 425 can be arranged in the air outlet 424, and the plurality of deflectors 425 can be spaced apart along the length direction of the first outlet member 420. The air outlet 424 can be divided into multiple sub-outlets by the plurality of deflectors 425, and the airflow in the air chamber 423 can be blown out from the multiple sub-outlets evenly. The sub-outlet can be a nozzle structure, when the airflow passes through the sub-outlet, the airflow can be concentratedly flowed into the working space 421 and generate a large pulling force to straighten the hair 460.

In one embodiment, the distance L between any two adjacent deflectors 425 can be 2 mm-10 mm, so that the airflow can be blown out evenly. Specifically, the distance L can be 2 mm, 4 mm or 10 mm.

In one embodiment, the direction of the airflow in the working space 421 can be perpendicular to the length direction of the first outlet member 420. The air outlet 424 can be located at an upstream end U of the airflow in the working space 421, the airflow a blown out from the air outlet 424 can be blown smoothly to a downstream end D of airflow in the working space 421, to extend the contact length between the airflow a and the hair 460, the airflow outside the working space 421 can also be flowed into the working space 421 to straighten the hair 460.

Referring to FIG. 10-12, in one embodiment, at the upstream end U of the airflow in the working space 421, the width L1 of the working space 421 can be 2 mm-8 mm. Specifically, the width L1 can be 2 mm, 4 mm, 5 mm or 8 mm.

Referring to FIG. 11 and FIG. 12, in one embodiment, at the downstream end D of the airflow in the working space 421 of the airflow, the width L2 can be 5 mm-10 mm. Specifically, the width L2 can be 5 mm, 8 mm or 10 mm.

In one embodiment, the angle θ between the guiding bevel 422 and the direction of the airflow in the working space 421 can be less than or equal to 25 degrees. Specifically, the angle θ can be 30 degrees or 35 degrees.

In one embodiment, the housing of the first outlet member 420 and/or the housing of the second outlet member 430 can be integrally formed with the housing of the hand-held part 410.

Referring to FIG. 13, the hand-held part 410 can be provided with an installation cavity, the air inlet 411 can be connected to the installation cavity. A heating element 440 can be arranged in the air chamber 423 and/or the installation cavity, the heat generated by the heating element 440 can heat the airflow, so that the airflow blown out of the air outlet 424 can be hot airflow.

The number of the air inlet 411 can be multiple, the multiple air inlets 411 can be arranged in an array, or a mesh. The air inlets 411 can be evenly distributed.

Referring to FIGS. 14-15, a hair straightening device 600 can be provided in one embodiment of the present disclosure, which can include a motor, an inner housing 620 and an outer housing 630. The inner housing 620 can include a handheld part 621 and two outlet members 622, the two outlet members 622 can be arranged at a relative interval to define a working space, and can be connected with the hand held part 621 respectively. The hand held part 621 can include a first air channel to accommodate the motor, at least one outlet member 622 can include a second air channel communicated with the working space and the first air channel, the motor in the first air channel can be driven to generate an airflow, and the airflow can be flowed into the working space through the second air channel.

In one embodiment, the inner housing 620 can have an inlet, when the motor is driven, the air from the outside of the hair straightening device 600 can be drawn into the first air channel, and airflow can be formed in the first air channel, the airflow can be flowed into the second air channel and the working space under the influence of the driven motor.

The outer housing 630 can be arranged to surround the inner housing 620, and can be spaced apart from the inner housing 620 to define a third air channel 640. In one embodiment, the outer housing 630 can be spaced apart from the inner housing 620 along a direction from the first air channel to the second air channel.

The inner housing 620 can be provided with an entrance 650 at a position of the hand held part to communicated the first air channel and the third air channel 640, so that the airflow in the first air channel can be flowed into the third air channel 640 through the entrance 650. The outer housing 630 can be provided with an exit 660 at a position relative to the outlet member to communicated the third air channel 640 and the outside of the hair straightening device 600, so that the airflow in the third air channel can be blown to the outside of the hair straightening device 600 through the exit 660. The airflow from the first air channel can be flowed in the third air channel 640 and blown to the outside of the hair straightening device 600 to dissipate heat from the hair straightening device 600.

In one embodiment, the hair straightening device 600 can include a heating element arranged between the motor and the second air channel, the entrance 650 can be arranged at the position of the hand held part 621 between the motor and the heating element.

In one embodiment, the exit 660 can be arranged at the position relative to the end of the outlet member away from the hand held part 621.

In one embodiment, the exit 660 can be defined by the inner housing 620 and the outer housing 630.

The above embodiments further illustrate the contents of the present application, but should not be construed as limiting the present application. Without departing from the spirit and essence of the present application, modifications and substitutions made to the methods, steps or conditions of the present application all fall within the scope of the present application. Unless particularly specified, the technical means used in the embodiments are conventional means well known to those skilled in the art

Claims

1. A hair straightening device comprising: a hand-held part;a first outlet member; anda second outlet member, arranged parallel to the first outlet member; the first outlet member and the second outlet member are respectively connected with the hand-held part, and a working space is defined between the first outlet member and the second outlet member;wherein at least one of the first outlet member and the second outlet member includes an air chamber and an air outlet communicated with the air chamber, the air outlet is extended along the length of the outlet member;wherein wall of the working space close to the air outlet includes a guiding bevel, the guiding bevel is configured for guiding airflow in the air chamber to the working space;wherein the air outlet is provided with a plurality of deflectors spaced along the length direction of the outlet member.

2. The hair straightening device of claim 1, wherein the distance between any two adjacent deflectors is 2 mm-10 mm.

3. The hair straightening device of claim 1, wherein the direction of airflow in the working space is perpendicular to the length direction of the outlet member, the air outlet is located at the upstream end of the airflow in the working space.

4. The hair straightening device of claim 3, wherein the width of the working space at the upstream end of the airflow in the working space is 2 mm-8 mm.

5. The hair straightening device of claim 3, wherein the width of the working space at downstream end of the airflow in the working space is 5 mm-10 mm.

6. The hair straightening device of claim 1, wherein the angle between the guiding bevel and the direction of the airflow in the working space is less than or equal to 25 degrees.

7. The hair straightening device of claim 1, wherein the hand-held part is provided with an installation cavity and a plurality of air inlets connected to the installation cavity, a heating element is arranged in the air chamber and/or the installation cavity.

8. The hair straightening device of claim 7, wherein the air inlets is arranged in array.

9. A hair straightening device comprising: a main body; andan outlet assembly connected to the main body, the outlet assembly comprises two outlet members arranged at a relative interval to define a working space, the outlet member comprises: a sleeve including an air chamber and an air outlet, the air outlet is arranged on the side of the sleeve facing the working space; andan air guide portion connected to the side of the sleeve with the air outlet, the air guide portion is arranged with at least part of the sleeve at intervals to define an air channel;wherein the air channel is a curved channel, the air chamber is connected to the working space through the air outlet and the air channel in sequence, so that airflow in the air chamber can flow through the air outlet and the air channel in sequence to enter the working space.

10. The hair straightening device of claim 9, wherein the working space has a first end and a second end opposite to the first end, the air outlet and the air channel are located at the first end, the airflow blown into the working space flows in a direction from the first end to the second end.

11. The hair straightening device of claim 10, wherein the side of the sleeve facing the working space is provided with a guide wall, the guide wall is inclined relative to the direction from the first end to the second end, the direction of the airflow passing through the guide wall intersects with the direction from the first end to the second end.

12. The hair straightening device of claim 11, wherein the sleeve is provided with a straight wall continuously connected to the end of the guide wall away from the air outlet, the direction in which the straight wall extended relative to the guide wall is parallel to the direction from the first end to the second end.

13. The hair straightening device of claim 9, wherein the air channel has a first opening communicated to the air outlet and a second opening communicated with the working space, the direction from the first opening to the second opening intersects with the direction from the first end to the second end, the first opening and the second opening are arranged in the direction from the first end to the second end.

14. The hair straightening device of claim 13, wherein the angle between the direction from the first opening to the second opening and the direction from the first end to the second end is greater than 0 degree and less than or equal to 25 degrees.

15. The hair straightening device of claim 9, wherein the two outlet members are arranged at intervals along a first direction, the inner wall of the air guide portion at the end away from the air outlet and the outer wall of the sleeve jointly form a guide port, the dimension of the guide port along the first direction is greater than or equal to 0.5 mm, and less than or equal to 3 mm.

16. The hair straightening device of claim 9, wherein the outlet assembly further comprises a plurality of deflectors arranged at intervals in the air channel along the length direction of the sleeve.

17. The hair straightening device of claim 16, wherein the distance between two adjacent deflectors is greater than or equal to 2 mm, and less than or equal to 8 mm.

18. A hair straightening device comprising: a motor, configured for generating airflow;an inner housing, including a hand held part and two outlet members connected with the hand held part respectively, the two outlet members together define a working space; wherein the hand held part includes a first air channel to accommodate the motor, at least one outlet member includes a second air channel communicated with the working space and the first air channel, the airflow generated by the motor can be flowed into the working space through the second air channel; andan outer housing, surrounded the inner housing and spaced apart from the inner housing along a direction from the first air channel to the second air channel to define a third air channel;wherein the inner housing is provided with an entrance at a position of the hand held part to communicated the first air channel and the third air channel, the outer housing is provided with an exit at a position relative to the outlet member to communicated the third air channel and the outside of the hair straightening device.

19. The hair straightening device of claim 18, wherein the Hair straightening device further comprises a heating element arranged between the motor and the second air channel, the entrance is arranged at the position of the hand held part between the motor and the heating element.

20. The hair straightening device of claim 18, wherein the exit is arranged at the position relative to the end of the outlet member away from the hand held part.