Tool bit structure and hair trimmer

Abstract

The tool bit structure comprises a temperature changing piece and a heat dissipation piece, the temperature changing piece is connected with the heat dissipation piece in a heat conduction mode, and the heat dissipation piece is provided with a plurality of heat dissipation holes capable of increasing the heat dissipation area. According to the utility model, the heat dissipation piece is provided with the plurality of heat dissipation holes, so that the heat dissipation area is increased, the heat dissipation effect of the whole tool bit structure is improved, and the generated heat can be more effectively transferred to the surrounding environment; meanwhile, the heat dissipation holes are formed in the heat dissipation piece, the weight of the product can be reduced, and the size of the heat dissipation piece can be reduced to achieve the purpose of reducing the overall size of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of hair trimmers, in particular to a cutter head structure and a hair trimmer. Background Art

[0002] In order to improve the user experience, some hair trimmers on the market have added a cooling function, so that users can use the temperature sensing element to cool the skin when using the hair trimmer, so that after hair trimming, the temperature sensing element can shrink the skin pores to reduce the burning sensation of the skin. The prior art usually uses a temperature variable element to achieve cooling, but it generates a lot of heat during the cooling process, and the heat dissipation effect is poor, which affects the final cooling effect. Utility Model Content

[0003] To solve at least one aspect of the above problems, the utility model first provides a cutter head structure, including a temperature variable component and a heat sink, wherein the temperature variable component is thermally connected to the heat sink, and the heat sink is provided with a plurality of heat dissipation holes that can increase the heat dissipation area.

[0004] Optionally, the temperature-changing element is a refrigeration element, and the refrigeration element is provided with a refrigeration end and a heating end, the refrigeration end is suitable for cooling the skin, and the heating end is thermally connected to the heat dissipation element.

[0005] Optionally, the plurality of heat dissipation holes form a honeycomb structure.

[0006] Optionally, the heat sink is made of aluminum alloy.

[0007] Optionally, it further comprises a temperature sensing element suitable for contacting the skin, and the heating end is thermally connected to the temperature sensing element.

[0008] Optionally, a blade assembly is further included, and the heat sink is provided with an installation cavity for installing the blade assembly.

[0009] Optionally, the blade assembly includes a blade group and a blade housing connected to each other, the blade housing is installed in the mounting cavity, and the blade housing is located between the blade group and the mounting cavity.

[0010] Optionally, the knife housing is made of heat-insulating material.

[0011] Optionally, the blade set includes blades and a fixing frame connected to each other, and the fixing frame is connected to the blade housing in an up-and-down floating manner.

[0012] Optionally, the outer wall of the fixing frame is provided with a plurality of sliding blocks spaced circumferentially, and the inner wall of the knife housing is provided with a slideway that cooperates with the sliding blocks to slide up and down; a reset member is also included, and the upper and lower ends of the reset member are respectively connected to the fixing frame and the knife housing.

[0013] Compared with the prior art, in the cutter head structure of the utility model, the heat sink is provided with a plurality of heat dissipation holes, which increases the heat dissipation area, thereby improving the heat dissipation effect of the entire cutter head structure, and helps to more effectively transfer the generated heat to the surrounding environment; because the heat sink can effectively take away the heat generated by the heating end of the temperature variable element, the cooling function of the cooling end is better, thereby conveying a cool feeling to the skin, helping to reduce skin discomfort after hair trimming, and improving the overall user experience; at the same time, the heat dissipation holes are provided on the heat sink, which can also reduce the weight of the product, and can also reduce the volume of the heat sink to achieve the purpose of reducing the overall volume of the product.

[0014] In addition, the utility model provides a hair trimmer, comprising the cutter head structure as described above.

[0015] Compared with the prior art, the hair trimmer of the present invention has the same advantages as the above-mentioned cutter head structure over the prior art, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the cutter head structure of the utility model embodiment Figure 1 ;

[0017] Figure 2 The structure of the cutter head structure of the utility model embodiment Figure 2 ;

[0018] Figure 3 A cross-sectional view of a cutter head structure according to an embodiment of the utility model;

[0019] Figure 4 A cross-sectional view of a blade assembly according to an embodiment of the utility model;

[0020] Figure 5 A structural diagram of a blade assembly according to an embodiment of the utility model;

[0021] Figure 6 A structural diagram of a heat sink according to an embodiment of the utility model;

[0022] Figure 7 This is a structural diagram of a knife shell according to an embodiment of the utility model.

[0023] Description of reference numerals:

[0024] 1. Temperature-changing component; 11. Refrigeration end; 12. Heating end; 2. Heat dissipation component; 21. Heat dissipation hole; 22. Installation cavity; 3. Temperature-sensing component; 4. Blade assembly; 41. Blade group; 411. Blade; 412. Fixing frame; 4121. Sliding block; 42. Blade housing; 421. Slideway; 5. Resetting component. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the description of the present invention, it should be understood that the terms "upper" and "lower" and the like indicate positions or location relationships that are based on the positions or location relationships when the product is in normal use.

[0027] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. The drawings of the embodiments of the present utility model are provided with a coordinate axis Y, wherein the positive direction of the Y axis represents the front, and the reverse direction of the Y axis represents the rear.

[0028] The utility model embodiment provides a cutter head structure, combined with Figure 1 , Figure 2 , Figure 3 As shown, it includes a temperature-changing component 1 and a heat dissipation component 2, and the temperature-changing component 1 is thermally connected to the heat dissipation component 2; the temperature-changing component 1 is preferably a refrigeration component, and the refrigeration component is provided with a refrigeration end 11 and a heating end 12, the refrigeration end 11 is suitable for cooling the skin, and the heating end 12 is thermally connected to the heat dissipation component 2, and the heat dissipation component 2 is provided with a plurality of heat dissipation holes 21 that can increase the heat dissipation area.

[0029] Among them, the cooling end 11 can be in direct contact with the skin, or other materials can be set between the skin and the skin for heat transfer; the function of the cooling end 11 is to cool the skin, provide a cool feeling, and improve the user experience; the heat sink 2 is connected to the heating end 12 by thermal conduction to absorb the heat of the heating end 12; the multiple heat dissipation holes 21 on the heat sink 2 can effectively increase the surface area of ​​the heat sink 2, which helps to improve the heat dissipation effect, and effectively promote the dissipation of heat by increasing the heat exchange surface with the surrounding environment. The temperature variable element 1 is preferably a refrigeration semiconductor, which is usually composed of a series of N-type and P-type semiconductor materials, which are placed alternately and connected by electric current; when the current passes through these connected semiconductors, heat is transferred between the two semiconductor materials, thereby causing cooling on one side, that is, forming the cooling end 11, and heating on the other side, that is, forming the heating end 12. In addition, the temperature variable element 1 can also be a heating element, and the heat dissipation holes 21 can increase the heat exchange efficiency of the temperature variable element 1. For the convenience of explanation, the following is an example of the temperature variable element 1 being a refrigeration element.

[0030] In the cutter head structure of the present embodiment, the heat sink 2 is provided with a plurality of heat dissipation holes 21, which increases the heat dissipation area, thereby improving the heat dissipation effect of the entire cutter head structure and helping to more effectively transfer the generated heat to the surrounding environment; since the heat sink 2 can effectively take away the heat generated by the heating end 12 of the refrigeration element 1, the refrigeration function of the refrigeration end 11 is better, thereby delivering a cool feeling to the skin, helping to reduce skin discomfort after hair trimming and improving the overall user experience; at the same time, the heat dissipation holes 21 are provided on the heat sink 2, which can also reduce the weight of the product and reduce the volume of the heat sink 2 to achieve the purpose of reducing the overall volume of the product.

[0031] Optionally, combined Figure 2 , Figure 3 As shown, the plurality of heat dissipation holes 21 form a honeycomb structure. The honeycomb structure can effectively increase the surface area of ​​the heat dissipation element 2 and improve the heat exchange efficiency between the heat dissipation element 2 and the surrounding environment. The honeycomb structure can also improve the structural strength of the heat dissipation element 2, making it more able to withstand external forces and vibrations and improve durability.

[0032] Optionally, the heat sink 2 is made of aluminum alloy, which is light, cheap, has good heat dissipation effect, and is easy to process into various shapes. In addition, the heat sink 2 can also be a copper-aluminum composite material to take into account the high thermal conductivity of copper and the lightness of aluminum.

[0033] Optionally, combined Figure 1 , Figure 2 , Figure 3 As shown, it also includes a temperature sensing element 3 suitable for contacting with the skin, and the heating end 12 is thermally connected to the temperature sensing element 3; the temperature sensing element 3 is used to directly contact the user's skin to provide a cool feeling to the skin, and can cool the skin, so that after hair trimming, the cool feeling of the temperature sensing element 3 can be used to shrink the skin pores and reduce the hot feeling of the skin; the temperature sensing element 3 is preferably made of metal insulating material with good thermal conductivity to ensure that the heat generated by the heating end 12 can be effectively transferred to the temperature sensing element 3.

[0034] Optionally, combined Figure 1 , Figure 3 , Figure 5As shown, it also includes a blade assembly 4, and the heat sink 2 is provided with a mounting cavity 22 for mounting the blade assembly 4; the mounting cavity 22 is arranged in the middle position of the heat sink 2 or near the middle position, and the heat sink 2 is arranged around the blade assembly 4 to fully utilize the structural space of the cutter head and make the volume of the heat sink 2 as large as possible; the blade assembly 4 is used for cutting and trimming hair, and the blade assembly 4 is installed in the mounting cavity 22 to ensure that the blade assembly 4 can effectively work with the heat sink 2 during the trimming process; the mounting cavity 22 can provide additional support and fixation to ensure that the blade assembly 4 is stably mounted on the heat sink 2, which helps to prevent the blade assembly 4 from shaking or falling off during use, thereby improving the stability of the overall structure.

[0035] Optionally, combined Figure 1 , Figures 3 to 7 As shown, the blade assembly 4 includes a blade group 41 and a blade housing 42 that are interconnected. The blade housing 42 is installed in the mounting cavity 22, and the blade housing 42 is located between the blade group 41 and the mounting cavity 22; the blade housing 42 isolates the blade group 41 from the heat sink 2, and the material of the blade housing 42 is preferably a heat-insulating material. The heat-insulating material has a low thermal conductivity and can effectively isolate heat conduction, which helps to reduce the heat conduction from the heat sink to the blade assembly 4; the blade housing 42 makes the blade assembly 4 easier to maintain and replace, and the user can easily operate the disassembly and replacement of the blade assembly 4, thereby extending the service life of the entire hair trimmer.

[0036] Optionally, combined Figure 1 , Figures 3 to 7 As shown, the blade group 41 includes interconnected blades 411 and a fixing frame 412, and the fixing frame 412 is connected to the blade housing 42 in an up and down floating manner; the blade group 41 includes one or more blades 411, which are responsible for performing trimming operations, and the blades 411 are connected and fixed to the fixing frame 412 to ensure that the blades 411 can effectively perform the cutting and trimming functions; the fixing frame 412 is connected to the blade housing 42 in an up and down floating manner, so that the entire blade group 41 can adapt to different cutting and trimming angles during the trimming process, enhance the user experience, and make trimming smoother and more convenient.

[0037] Optionally, combined Figures 3 to 7 As shown, the outer wall of the fixing frame 412 is provided with a plurality of sliders 4121 spaced circumferentially, and the inner wall of the blade housing 42 is provided with a slideway 421 which slides up and down with the sliders 4121; it also includes a reset member 5, and the upper and lower ends of the reset member 5 are respectively connected to the fixing frame 412 and the blade housing 42.

[0038] Among them, the reset member 5 is preferably a compression spring, and the upper and lower ends of the compression spring are respectively abutted against the fixed frame 412 and the blade housing 42; the slider 4121 on the outer wall of the fixed frame 412 is to provide support and guidance to ensure the movement of the fixed frame 412 inside the blade housing 42, and the slide 421 on the inner wall of the blade housing 42 allows the slider 4121 on the fixed frame 412 to slide up and down therein to complete the reset and adjustment operations; the reset member 5 helps to restore the original positions of the fixed frame 412 and the blade housing 42, ensuring that the blade assembly 4 can be reset to the appropriate position in time after use, thereby ensuring the accuracy and stability of the next trimming operation; the slider 4121 and the slide 421 are slidably connected to each other, so that the fixed frame 412 slides up and down inside the blade housing 42, ensuring that the blade assembly 4 can move flexibly during the trimming operation to adapt to different trimming needs.

[0039] Another embodiment of the utility model provides a hair trimmer, comprising the cutter head structure as described above.

[0040] In the hair trimmer of the present embodiment, the heat sink 2 is provided with a plurality of heat dissipation holes 21, which increases the heat dissipation area, thereby improving the heat dissipation effect of the entire cutter head structure, and helps to more effectively transfer the generated heat to the surrounding environment; since the heat sink 2 can effectively take away the heat generated by the heating end 12 of the temperature variable element 1, the cooling function of the cooling end 11 is better, thereby delivering a cool feeling to the skin, helping to reduce the skin discomfort after hair trimming and improving the overall user experience; at the same time, the heat dissipation holes 21 are provided on the heat sink 2, which can also reduce the weight of the product and reduce the volume of the heat sink 2 to achieve the purpose of reducing the overall volume of the product.

[0041] Although the disclosure is as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A cutter head structure, characterized in that: It comprises a temperature-changing component (1) and a heat dissipation component (2), wherein the temperature-changing component (1) is connected to the heat dissipation component (2) by thermal conduction, and the heat dissipation component (2) is provided with a plurality of heat dissipation holes (21) capable of increasing the heat dissipation area.

2. The cutter head structure according to claim 1, characterized in that: The temperature-changing element (1) is a refrigeration element, and the refrigeration element is provided with a refrigeration end (11) and a heating end (12). The refrigeration end (11) is suitable for cooling the skin, and the heating end (12) is thermally connected to the heat dissipation element (2).

3. The cutter head structure according to claim 1, characterized in that: The plurality of heat dissipation holes (21) form a honeycomb structure; the heat dissipation element (2) is made of aluminum alloy.

4. The cutter head structure according to claim 2, characterized in that: It also comprises a temperature sensing element (3) suitable for contacting the skin, and the heating end (12) is thermally connected to the temperature sensing element (3).

5. The cutter head structure according to any one of claims 1 to 4, characterized in that: It also comprises a blade assembly (4), and the heat sink (2) is provided with an installation cavity (22) for installing the blade assembly (4).

6. The cutter head structure according to claim 5, characterized in that: The blade assembly (4) comprises a blade group (41) and a blade housing (42) which are connected to each other. The blade housing (42) is installed in the installation cavity (22). The blade housing (42) is located between the blade group (41) and the installation cavity (22).

7. The cutter head structure according to claim 6, characterized in that: The knife housing (42) is made of a heat-insulating material.

8. The cutter head structure according to claim 6, characterized in that: The blade assembly (41) comprises blades (411) and a fixing frame (412) which are connected to each other, and the fixing frame (412) is connected to the blade housing (42) in an up-and-down floating manner.

9. The cutter head structure according to claim 8, characterized in that: The outer wall of the fixing frame (412) is provided with a plurality of sliding blocks (4121) spaced apart in the circumferential direction, and the inner wall of the knife housing (42) is provided with a slideway (421) which is slidably matched with the sliding blocks (4121) up and down; and a reset member (5) is also included, and the upper and lower ends of the reset member (5) are respectively connected to the fixing frame (412) and the knife housing (42).

10. A hair trimmer, characterized in that: It comprises a cutter head structure as described in any one of claims 1 to 9.

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