Hair removal instrument

By adopting the plug-in part of the air duct bracket and the guide rail structure in the hair removal device, the problem of difficult quick installation of parts is solved, and the rapid positioning and efficient assembly of parts are realized.

CN223759879UActive Publication Date: 2026-01-06WENZHOU XINAN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423033369.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2026-01-06
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing hair removal devices lack positioning structures for their components, resulting in low assembly efficiency, numerous parts, and difficulty in quick installation.

Method used

The air duct bracket consists of a left cover plate and a right cover plate, forming an installation cavity. The parts are quickly positioned and installed through the plug-in part and guide rail structure, which simplifies the fastener connection and allows for a reasonable layout of the light source components and heat dissipation structure.

Benefits of technology

It enables rapid positioning and installation of the core components of the hair removal device, improving assembly efficiency and simplifying the installation structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hair removal instrument which comprises a shell, an air duct support, a cooling fan, a refrigeration sheet, a cooling plate, a light source assembly and a control circuit board. The air duct support is provided with an air duct outlet and an air duct outlet and comprises a left cover plate and a right cover plate; a supporting table top is arranged in the left cover plate and divides the interior of the left cover plate into a first installation area and a second installation area, the refrigeration piece and the heat dissipation plate are located in the first installation area, the bottom of the refrigeration piece and the bottom of the heat dissipation plate are arranged on the supporting table top in a lap joint mode, and one end of the heat dissipation plate is attached to the hot face of the refrigeration piece. The light source assembly is arranged in the second installation area, an installation part is arranged at the bottom of the left cover plate, and the control circuit board is matched with the installation part in an inserted mode. Core parts of the hair removing instrument can be rapidly positioned to a designated area, the light source assembly and parts of a heat dissipation structure are arranged in order, fastener connection is reduced, the structure is simplified, and the assembly efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to a hair removal device. Background Technology

[0002] A hair removal device is a small electrical appliance used to remove body hair. Most hair removal devices on the market are "women's hair removal devices," used to remove hair from areas such as the underarms and legs. During use, the intense light from these devices generates high temperatures, which can cause burns to the skin. To address this, existing hair removal devices incorporate cooling pads at the light outlet for cooling, and cooling fans directly blow air through ducts to cool the light source area.

[0003] Chinese Patent No. CN202323064466.1 discloses a hair removal device with dual heat dissipation channels, including a heat-conducting component. A bracket upper cover is fixedly connected to the lower part of the heat-conducting component. A crystal bracket is fixedly connected to the bottom end of the bracket upper cover. A semiconductor is placed in the inner cavity of the crystal bracket. A transparent crystal is snapped into the inner cavity of the crystal bracket. A bracket lower cover is fixedly connected to the right side of the crystal bracket. A filter is snapped into the inner cavity of the bracket lower cover. A fan is fixedly connected to the inner cavity of the bracket lower cover. A control board assembly is fixedly connected to the bottom end of the bracket lower cover. A hair removal device is welded to the top end of the control board assembly.

[0004] The problems with the aforementioned patents are as follows: the core structure of the hair removal device lies in the air duct heat dissipation component and the light source component, but the components lack positioning structure, there are many components, and it is not possible to quickly position and install them, resulting in low assembly efficiency. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings and deficiencies of the existing technology and to provide a hair removal device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hair removal device, comprising a housing, an air duct support, a cooling fan, a cooling element, a heat sink, a light source assembly, and a control circuit board. One end of the air duct support has an air duct inlet, and the other end has an air duct outlet. The air duct support includes a left cover plate and a right cover plate that are assembled together, forming an installation cavity between the left and right cover plates. A support platform is provided inside the left cover plate, dividing the interior of the left cover plate into a first installation area and a second installation area. The cooling element and the heat sink are located in the first installation area, with their bottoms resting on the support platform and one end of the heat sink in contact with the hot surface of the cooling element. The light source assembly is located in the second installation area. A mounting part is provided at the bottom of the left cover plate, located below the right cover plate. The control circuit board is connected to the mounting part and located below the right cover plate. The cooling fan is fixed above the control circuit board, and its outlet is connected to the air duct inlet.

[0007] As a preferred technical solution of this utility model, the left cover plate and the right cover plate cooperate to form an air duct outlet on their side walls. An insertion part is provided between the left cover plate and the right cover plate at the air duct outlet. The insertion part includes a first guide rail and a second guide rail located on the upper and lower sides of the air duct outlet. A slot is formed between the first guide rail and the second guide rail. An opening is provided on one side of the slot. An air outlet component is provided in the slot and the air outlet component is provided with several mesh holes.

[0008] As a preferred technical solution of this utility model, the air duct inlet is located at the end of the right cover plate away from the left cover plate, and an air guide plate extending towards the light source assembly is provided inside the air duct inlet. The air guide plate is located below the heat sink plate.

[0009] As a preferred embodiment of this utility model, the housing includes a first intermediate frame and a second intermediate frame assembled together. The air duct support and the control circuit board are located between the first intermediate frame and the second intermediate frame. The intermediate frame is provided with a first vent corresponding to the position of the cooling fan, and the intermediate frame is provided with a second vent corresponding to the position of the air duct outlet. A sleeve is provided outside the intermediate frame. The sleeve is provided with a plurality of air inlets corresponding to the first vent. The side wall of the sleeve is provided with a clearance opening corresponding to the position of the air outlet component. The air outlet component is at least partially located inside the clearance opening or extends out of the clearance opening.

[0010] As a preferred embodiment of this utility model, the mounting portion is provided with sockets on both sides, and the circuit board is provided with an extension portion that is inserted into the socket portion.

[0011] As a preferred embodiment of this utility model, the upper and lower surfaces of the heat sink are provided with a plurality of heat dissipation grooves, which are arranged horizontally and parallel to the air duct outlet.

[0012] As a preferred embodiment of this utility model, the light source assembly includes a xenon lamp, a reflector, and a filter. The reflector has a curved arc structure, the filter is located at the front opening of the reflector, and the xenon lamp is located in the lamp chamber formed between the reflector and the filter.

[0013] In summary, the beneficial effects of this utility model are as follows: Assembling the matching left and right cover plates allows for rapid positioning of the core components of the hair removal device in the designated area, orderly arrangement of the light source assembly and heat dissipation structure components, minimizing fastener connections, simplifying the installation structure, and improving assembly efficiency. Specifically, the light source assembly is positioned below the support platform of the left cover plate (i.e., within the second installation area), and can be snapped or fixed within the left cover plate using fasteners. A heat dissipation plate and cooling element are inserted above the support platform (i.e., within the first installation area), and the control circuit board is inserted into the mounting portion of the left cover plate, thereby achieving rapid positioning and installation of the core components and resulting in a more rational layout. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this practical product without its outer casing;

[0016] Figure 3 This is a schematic diagram of the internal structure of this utility model without the shell;

[0017] Figure 4 This is a structural schematic diagram of the stroke duct support of this utility model;

[0018] Figure 5 This is a schematic diagram of the internal structure of the stroke duct support of this utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the left cover plate in this utility model;

[0020] Figure 7 This is a schematic diagram of the control circuit board in this utility model.

[0021] Reference numerals: 1. Housing; 2. Air duct bracket; 3. Cooling fan; 4. Cooling chip; 5. Heat sink; 6. Light source assembly; 7. Control circuit board; 8. Air duct inlet; 9. Air duct outlet; 10. Left cover plate; 11. Right cover plate; 12. Support platform; 13. First mounting area; 14. Second mounting area; 15. Plug-in part; 16. First guide rail; 17. Second guide rail; 18. Air outlet; 19. Mesh; 20. Air guide plate; 21. First middle frame; 22. Second middle frame; 23. First vent; 24. Second vent; 25. Air inlet; 26. Clearance opening; 27. Socket; 28. Extension part; 29. ​​Heat dissipation groove; 30. Xenon lamp; 31. Reflector cup; 32. Filter; 33. Housing; 34. Mounting part. Detailed Implementation

[0022] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation plan without creative effort are all within the protection scope of this utility model.

[0023] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0024] like Figure 1-7 The hair removal device shown includes a housing 1, an air duct support 2, a cooling fan 3, a cooling element 4, a heat sink 5, a light source assembly 6, and a control circuit board 7. One end of the air duct support 2 has an air duct inlet 8, and the other end has an air duct outlet 9. The air duct support 2 includes a left cover plate 10 and a right cover plate 11 that are assembled together, forming a mounting cavity between them. A support platform 12 is provided inside the left cover plate 10, dividing the interior of the left cover plate 10 into a first mounting area 13 and a second mounting area 14. The cooling element 4 and the heat sink 5 are located in the first mounting area 13, with their bottoms resting on the support platform 12, and one end of the heat sink 5 in contact with the hot surface of the cooling element 4. The light source assembly 6 is located in the second mounting area 14. A mounting part 34 is provided at the bottom of the left cover plate 10, and the mounting part 34 is located below the right cover plate 11 (e.g., ...). Figure 3 As shown, the bottom of the right cover plate 11 is lower than the bottom of the mounting part 34 (the bottom of the right cover plate 11 can be at the same height as the upper surface of the mounting part 34). The control circuit board 7 is connected to the mounting part 34 and is located below the right cover plate 11. The cooling fan 3 is fixed above the control circuit board 7 and the air outlet of the cooling fan 3 is connected to the air duct inlet 8. In this embodiment, the control method of how the control circuit board 7 controls the light source component 6, the cooling chip 4 and the cooling fan 3 is not an improvement point of this application. This is the prior art and therefore is not specifically described. The left cover plate 10 also has an opening at one end relative to the right cover plate 11 (not shown in the figure).

[0025] Assemble the matching left cover plate 10 and right cover plate 11 to quickly position the core components of the hair removal device to the designated area, and arrange the light source assembly 6 and heat dissipation structure components in an orderly manner, minimizing fastener connections, simplifying the installation structure, and improving assembly efficiency. Specifically, the light source assembly 6 is arranged below the support platform 12 of the left cover plate 10 (i.e., located in the second installation area 14). The light source assembly 6 can be snapped or fixed in the left cover plate 10 with fasteners. The heat dissipation plate 5 and the cooling chip 4 are inserted above the support platform 12 (i.e., located in the first installation area 13). The control circuit board 7 is inserted into the mounting part 34 of the left cover plate 10 to achieve rapid positioning and installation of core components, resulting in a more reasonable layout.

[0026] The left cover plate 10 and the right cover plate 11 cooperate to form an air duct outlet 9 on their side walls. A plug-in part 15 is provided between the left cover plate 10 and the right cover plate 11 at the air duct outlet 9. The plug-in part 15 includes a first guide rail 16 and a second guide rail 17 located on the upper and lower sides of the air duct outlet 9. A slot is formed between the first guide rail 16 and the second guide rail 17. An opening is provided on one side of the slot. An air outlet 18 is provided in the slot and a plurality of mesh holes 19 are provided on the air outlet 18.

[0027] The air duct inlet 8 is located at the end of the right cover plate 11 away from the left cover plate 10. Inside the air duct inlet 8, there is a guide plate 20 extending towards the light source assembly 6. The guide plate 20 is located below the heat sink 5.

[0028] The housing 1 includes a first intermediate frame 21 and a second intermediate frame 22 assembled together. The air duct support 2 and the control circuit board 7 are located between the first intermediate frame 21 and the second intermediate frame 22. The intermediate frame is provided with a first vent 23 corresponding to the position of the cooling fan 3. The intermediate frame is provided with a second vent 24 corresponding to the position of the air duct outlet 9. A sleeve 33 is provided outside the intermediate frame. The sleeve 33 is provided with a plurality of air inlets 25 corresponding to the first vent 23. The side wall of the sleeve 33 is provided with a clearance opening 26 corresponding to the position of the air outlet 18. The air outlet 18 is at least partially located inside the clearance opening 26 or extends out of the clearance opening 26.

[0029] The mounting part 34 has a socket 27 on each side, and the circuit board has an extension part 28 that is inserted into the socket 27.

[0030] The upper and lower surfaces of the heat sink 5 are provided with several heat dissipation slots 29. The heat dissipation slots 29 are arranged horizontally and parallel to the air duct outlet 9, which can guide the airflow. The airflow of the cooling fan 3 flows to the air duct outlet 9 through the heat dissipation slots 29.

[0031] The light source assembly 6 includes a xenon lamp 30, a reflector 31, and a filter 32. The reflector 31 has a curved arc structure, the filter 32 is located at the front opening of the reflector 31, and the xenon lamp 30 is located in the lamp chamber formed between the reflector 31 and the filter 32.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. An epilating device comprising a housing (1), an air duct support (2), a heat dissipation fan (3), a refrigeration fin (4), a heat dissipation plate (5), a light source assembly (6) and a control circuit board (7), one end of the air duct support (2) is provided with an air duct inlet (8), the other end of the air duct support (2) is provided with an air duct outlet (9), characterized in that: The air duct support (2) comprises a left cover plate (10) and a right cover plate (11) which are assembled together, and an installation cavity is formed between the left cover plate (10) and the right cover plate (11), a support table (12) is arranged in the left cover plate (10), and the support table (12) divides the left cover plate (10) into a first installation area (13) and a second installation area (14), the refrigeration sheet (4) and the heat dissipation plate (5) are located in the first installation area (13), the bottom of the refrigeration sheet (4) and the heat dissipation plate (5) is respectively arranged on the support table (12), and one end of the heat dissipation plate (5) is attached to the hot surface of the refrigeration sheet (4), the light source assembly (6) is arranged in the second installation area (14), the bottom of the left cover plate (10) is provided with an installation part (34), and the installation part (34) is located below the right cover plate (11), the control circuit board (7) is connected with the installation part (34), and the control circuit board (7) is located below the right cover plate (11), and the heat dissipation fan (3) is fixed above the control circuit board (7), and the air outlet of the heat dissipation fan (3) is communicated with the air duct inlet (8).

2. The epilator according to claim 1, characterized in that: The left cover plate (10) and the right cover plate (11) are matched and the air duct outlet (9) is formed in the side wall of the left cover plate (10) and the right cover plate (11), the left cover plate (10) and the right cover plate (11) are provided with a plug-in part (15) located at the air duct outlet (9), the plug-in part (15) comprises a first guide rail (16) and a second guide rail (17) located on the upper and lower sides of the air duct outlet (9), the first guide rail (16) and the second guide rail (17) form a plug-in slot, one side of the plug-in slot is provided with an opening, the plug-in slot is provided with an air outlet piece (18), and a plurality of mesh holes (19) are arranged on the air outlet piece (18).

3. The epilator according to claim 1 or 2, characterized in that: The air duct inlet (8) is arranged at one end of the right cover plate (11) away from the left cover plate (10), the air duct inlet (8) is provided with a wind guide plate (20) extending towards the light source assembly (6), and the wind guide plate (20) is located below the heat dissipation plate (5).

4. The epilator according to claim 1 or 2, characterized in that: The shell (1) comprises a first middle frame (21) and a second middle frame (22) which are assembled together, the air duct support (2) and the control circuit board (7) are located between the first middle frame (21) and the second middle frame (22), the middle frame is provided with a first air vent (23) corresponding to the position of the heat dissipation fan (3), the middle frame is provided with a second air vent (24) corresponding to the position of the air duct outlet (9), the middle frame is provided with a sleeve shell (33) outside, the sleeve shell (33) is provided with a plurality of air inlet holes (25) corresponding to the first air vent (23), the side wall of the sleeve shell (33) is provided with a position corresponding to the air outlet piece (18) The accommodation opening (26) is located at least partially in the accommodation opening (26) or penetrates out of the accommodation opening (26).

5. The epilator according to claim 1, characterized in that: The installation part (34) is provided with a socket (27) on both sides, and the circuit board is provided with an extension part (28) inserted into the socket (27).

6. The epilator according to claim 1, characterized in that: The upper surface and the lower surface of the heat dissipation plate (5) are provided with a plurality of heat dissipation grooves (29), the heat dissipation grooves (29) are arranged transversely, and the heat dissipation grooves (29) are parallel to the air duct outlet (9).

7. The epilator according to claim 1, characterized in that: The light source assembly (6) comprises a xenon lamp (30), a reflecting cup (31) and a filter (32), the reflecting cup (31) is a curved arc structure, the filter (32) is located at the front end opening of the reflecting cup (31), and the xenon lamp (30) is located in the lamp chamber formed between the reflecting cup (31) and the filter (32).

Citation Information

Patent Citations

  • Hair removal instrument with double heat dissipation air channels

    CN221654552U