Tool bit structure and hair trimmer
By adding first and second temperature-changing surfaces of heat-conducting material to the blade structure of the hair trimmer and adopting magnetic installation, the problem of poor comfort of existing hair trimmers under different temperature environments is solved, achieving a low-cost and highly comfortable user experience.
Patent Information
- Application Number
- CN202520125018.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing hair trimmers are not comfortable to use in different temperature environments, and the electric temperature control method is complex, costly, and provides a poor user experience.
Design a blade head structure comprising a housing and a blade head assembly. The housing has a second temperature-changing surface, and the blade head assembly has a first temperature-changing surface. Both are made of heat-conducting materials to increase the skin contact area for temperature changes. The blade head assembly is magnetically attached for easy installation and removal.
It improves the comfort of using hair trimmers, reduces production costs, simplifies operation, provides more even temperature distribution, and enhances the user experience.
Smart Images

Figure CN223685488U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hair trimmer technical field, specifically, a kind of cutter head structure and hair trimmer. BACKGROUND
[0002] The hair trimmer such as razor of current market has been very widely used, and the category of manual razor is also very much, but when using in winter, the temperature of manual razor contacting skin is too low, or in summer, the temperature of manual razor contacting skin is too high, leading to poor comfort when shaving, and user experience greatly decreases, and a part of manual razor also adopts the structure mode of wrapping metal outer frame on original cutter head to realize the temperature control of small area cutter head, but the area that can control temperature is not large, cutter head replacement is troublesome, so that user experience will greatly decrease;In addition, most of the razor using electric temperature control mode, the structure is complex, the production and maintenance cost is higher, and the selling price is generally higher. CONTENT OF UTILITY MODEL
[0003] To solve at least one aspect in the above problem, the utility model provides a kind of cutter head structure, comprising: shell and the cutter head component being set on the shell, the cutter head component one side is provided with the shaving part for shaving hair, the cutter head component is provided with first temperature-variable surface, the shell is provided with second temperature-variable surface, when shaving hair, the first temperature-variable surface and the second temperature-variable surface can be contacted with skin, increase the temperature-variable area of contact with skin;The cutter head structure of the utility model, simple structure, low production cost;First temperature-variable surface and second temperature-variable surface are provided, increase the temperature-variable area of contact with human skin when shaving hair, comfortable to use, and experience is good;Cutter head component is installed by magnetic attraction, easy to disassemble and assemble, convenient for cleaning and replacing cutter head.
[0004] Optionally, the cutter head component is provided with first temperature-variable surface on the same side of the shaving part, the first temperature-variable surface is around the outside of the shaving part or is circumferentially arranged on at least three sides of the shaving part, the second temperature-variable surface is around the outside of the first temperature-variable surface or is circumferentially arranged on at least three sides of the first temperature-variable surface, and the first temperature-variable surface and the second temperature-variable surface are both temperature-conducting materials.
[0005] Optionally, the cutter head component includes a cutter holder and a plurality of blades connected to the cutter holder, the shaving part is formed on the blades, and the first temperature-variable surface is arranged on the cutter holder.
[0006] Optionally, the first temperature-variable surface is annular structure, and is arranged around three or four peripheries of the outside of the shaving part.
[0007] Optionally, the second temperature-variable surface is annular structure, and is arranged around three or four peripheries of the outside of the first temperature-variable surface.
[0008] Optionally, the cutter head assembly is detachably arranged on the shell.
[0009] Optionally, the cutter head assembly is magnetically mounted on the shell, the cutter head assembly comprises a magnetically attractable cutter holder, the shell is provided with a mounting groove for mounting the cutter head assembly, and the shell is provided with a magnet for magnetically attracting and positioning the cutter head assembly in the mounting groove.
[0010] Optionally, the cutter head assembly is provided with a limiting protrusion extending in the direction of the cutter head assembly being arranged in the mounting groove, and the shell is provided with a limiting clamping groove corresponding to the limiting protrusion.
[0011] Optionally, the cutter head assembly is provided with a handle portion, and an external force drives the cutter head assembly out of the mounting groove through the handle portion, and the handle portion is provided with a plurality of anti-slip protrusions.
[0012] Optionally, the lower part of the second temperature-changing surface is provided with an arc-shaped surface.
[0013] Optionally, the first temperature-changing surface and / or the second temperature-changing surface is made of metal or non-metal temperature-conducting material, and the first temperature-changing surface and / or the second temperature-changing surface is provided with temperature-sensitive color-changing paint.
[0014] Compared with the prior art, the cutter head structure and the hair trimmer have the advantages that the structure is simple, the production cost is low, the first temperature-changing surface and the second temperature-changing surface are arranged, the temperature-changing area in contact with the human skin during shaving is increased, the use is comfortable, and the experience is good; the cutter head assembly is magnetically mounted, is convenient to disassemble and assemble, and is convenient to clean and replace the cutter head; the skin in contact with the first temperature-changing surface and the second temperature-changing surface can feel the temperature, the area of the skin in contact with the temperature is increased, the temperature feeling is more uniform, the skin temperature feeling is more comfortable, and the use experience is improved; during shaving, the cutter head assembly or the shell with the cutter head assembly is first placed in cold water or hot water or other medium with temperature, so that the temperature in the water is conducted to the first temperature-changing surface and the second temperature-changing surface, and the temperature-changing effect is achieved; the first temperature-changing surface and the second temperature-changing surface can be heated or cooled according to the user's demand, the first temperature-changing surface and the second temperature-changing surface are heated to achieve the effects of hot compressing beard, expanding pores, and softening beard; the first temperature-changing surface and the second temperature-changing surface are cooled to achieve the cool experience effect during shaving, the temperature of the first temperature-changing surface and the second temperature-changing surface can be controlled by controlling the temperature of the water, the cost of heating and cooling the first temperature-changing surface and the second temperature-changing surface is low, the operation is simple, the use is flexible, and the experience is good; the lower part of the second temperature-changing surface is provided with an arc-shaped surface, the arc-shaped surface is more in line with the skin during shaving, and the use comfort is improved.
[0015] In addition, the utility model provides a hair trimmer, including the cutter head structure as above-mentioned, relative to prior art, the hair trimmer of the utility model with above-mentioned cutter head structure relative to prior art has the same advantage, here no longer repeat. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the perspective view of the cutter head structure of the utility model;
[0017] Figure 2 It is the structure schematic diagram when the cutter head structure shell and cutter head assembly of the utility model separate;
[0018] Figure 3 It is the explosion view of the cutter head structure of the utility model;
[0019] Figure 4 It is the sectional view of the cutter head structure of the utility model;
[0020] Figure 5 It is the structure schematic diagram of the first temperature-variable surface and the second temperature-variable surface of the cutter head structure of the utility model;
[0021] Figure 6 It is the structure schematic diagram of the limiting slot of the cutter head structure of the utility model;
[0022] The corresponding component name of each reference numeral in the drawing is: 1 is the shell, 101 is the second temperature-variable surface, 1011 is the arc surface, 102 is the mounting groove, 103 is the limiting slot, 2 is the cutter head assembly, 21 is the cutter holder, 22 is the blade, 201 is the shaving part, 202 is the first temperature-variable surface, 203 is the limiting protrusion, 204 is the handle part, 2041 is the anti-slip protrusion, 3 is the magnet. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the drawings.
[0024] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship when the product is normally used.
[0025] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature.
[0026] Reference Figures 1-6The utility model embodiment provides a kind of tool bit structure, comprising: shell 1 and the tool bit component 2 of being set on shell 1, tool bit component 2 side is provided with the shaving part 201 for shaving hair, shell 1 can connect a handle to carry out manual shaving operation;Tool bit component 2 is provided with first temperature-variable surface 202, shell 1 is provided with second temperature-variable surface 101, when shaving hair, first temperature-variable surface 202 and second temperature-variable surface 101 can be contacted with skin, increase the temperature-variable area of contact with skin;The tool bit structure of the utility model, simple structure, low in production cost;It is provided with first temperature-variable surface and second temperature-variable surface, increase the temperature-variable area of contact with human skin when shaving hair, comfortable to use, experience is good;Tool bit component is magnetically attracted type installation, easy to disassemble and assemble, it is convenient to clean, replace tool bit;When shaving hair, first tool bit component 2 or shell with tool bit component 2 is showered / installed into cold water or hot water or other medium with temperature, so that the temperature in water is conducted to first temperature-variable surface and second temperature-variable surface, to achieve the effect of temperature-variable;According to user demand, first temperature-variable surface and second temperature-variable surface can be heated or cooled, and the heating of temperature-variable surface realizes hot compress beard, expands pore, softens beard and other effects;Cooling temperature-variable surface realizes cool experience effect when shaving, can control the temperature of temperature-variable surface by controlling the temperature of water immersion, and the heating and cooling of temperature-variable surface are low in cost, easy to operate, flexible to use and good in experience.
[0027] Referring to Figure 1 And Figure 5 , first temperature-variable surface 202 is provided on the same side of shaving part 201 of tool bit component 2, so that first temperature-variable surface 202 can contact skin when shaving, to improve comfort; first temperature-variable surface 202 is circumferentially arranged on the outside of shaving part 201 or at least three sides of shaving part 201, and second temperature-variable surface 101 is circumferentially arranged on the outside of first temperature-variable surface 202 or at least three sides of first temperature-variable surface 202, so that the temperature-variable area is large, the skin temperature sensing area is large, and the comfort of skin temperature sensing is improved; first temperature-variable surface 202 and second temperature-variable surface 101 are made of temperature-conducting material, so that the temperature of the outside world is conducted to first temperature-variable surface 202 and second temperature-variable surface 101.
[0028] Among them, first temperature-variable surface 202 can be a continuous annular structure, or a plurality of block structures that are discontinuously arranged, a plurality of block structures are circumferentially arranged on the outside of shaving part 201, or are circumferentially arranged on three sides of shaving part 201 to form a semi-enclosed structure; second temperature-variable surface 101 can be a continuous annular structure, or a plurality of block structures that are discontinuously arranged, a plurality of block structures are circumferentially arranged on the outside of first temperature-variable surface 202, or are circumferentially arranged on three sides of first temperature-variable surface 202 to form a semi-enclosed structure.
[0029] Referring to Figure 1 , Figure 3and Figure 5 The head assembly 2 comprises a holder 21 and a plurality of blades 22 connected to the holder 21, the holder 21 serves to support and fix the blades, and the holder 21 is in the form of a frame; a shaving portion 201 is formed on the blade 22, the shaving portion 201 is the cutting edge of the blade 22, and the shaving portion 201 on one side of the blade 22 cuts and trims the hair, and the shaving portion 201 is preferably flush with or recessed in the first temperature-changing surface 202, which can ensure that the first temperature-changing surface 202 contacts the skin during shaving, and in other embodiments, if the shaving portion 201 protrudes outwardly beyond the first temperature-changing surface 202, as long as the first temperature-changing surface 202 can contact the skin during shaving, it is still within the protection scope of the patent. The second temperature-changing surface 101 is flush with the first temperature-changing surface 202, that is, the second temperature-changing surface 101 can also better contact the skin and feel comfortable; the first temperature-changing surface 202 is arranged on the holder 21, and the surface of the holder 21 itself that contacts the skin is arranged as a temperature-changing surface, thereby increasing the temperature-changing area and achieving reasonable structural design; the first temperature-changing surface 202 is in the form of a ring and surrounds the shaving portion 201 on the outer side by three or four turns; the second temperature-changing surface 101 is in the form of a ring and surrounds the first temperature-changing surface 202 on the outer side by three or four turns, the skin contacting the first temperature-changing surface 202 and the second temperature-changing surface 101 can both feel the temperature, which increases the area of the skin contacting the temperature and makes the temperature feeling more uniform, so that the skin feels more comfortable and the use experience is improved; in this embodiment, the first temperature-changing surface 202 surrounds the shaving portion 201 on the outer side by four turns, and the second temperature-changing surface 101 surrounds the first temperature-changing surface 202 on the outer side by three turns.
[0030] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 6, the cutter head assembly 2 is detachably arranged on the shell 1, so as to clean and replace the cutter head; the cutter head assembly 2 is magnetically mounted on the shell 1, the cutter head assembly 2 comprises a magnetically attractable cutter holder 21, the cutter holder 21 is made of ferrous alloy material or other metal material which can be magnetically attracted; the shell 1 is provided with a mounting groove 102 for mounting the cutter head assembly 2, the shell 1 is provided with a magnet 3 for magnetically attracting and positioning the cutter head assembly 2 in the mounting groove 102, the cutter head assembly 2 is convenient to disassemble and assemble, and the operation is more convenient; in actual use, the cutter head assembly 2 is only arranged in a part of the mounting groove 102, and the whole cutter head assembly 2 is attracted into the mounting groove by the magnetic force of the magnet 3, so that the cutter head assembly 2 is mounted in place, and the mounting is more convenient and fast; the magnet 3 is embedded in the lower part of the shell 1, the structure is compact, the cutter head assembly 2 is inserted into the mounting groove 102 from top to bottom, after the cutter head assembly 2 is assembled with the shell 1, the surface of the side of the cutter holder in contact with the skin is flush with the surface of the side of the shell 1 in contact with the skin, and the shaving is more close to the skin, so that the shaving is more comfortable; the cutter head assembly 2 is provided with a limiting protrusion 203, the limiting protrusion 203 is provided with two limiting protrusions 203 and is symmetrically distributed on the two sides of the cutter head assembly 2, the limiting protrusion 203 extends in the direction of the cutter head assembly 2 arranged in the mounting groove 102, the shell 1 is provided with a limiting clamping groove 103 corresponding to the limiting protrusion 203, and the limiting protrusion 203 and the limiting clamping groove 103 are clamped, so that the structure is stable, and the cutter head assembly 2 and the shell are stably assembled; the cutter head assembly 2 is provided with a handle part 204, the handle part 204 is provided with two handle parts 204 and is symmetrically distributed on the two sides of the cutter head assembly 2, the handle part 204 is a protruding block, an external force drives the handle part 204 to disassemble the cutter head assembly 2 from the mounting groove 102, the cutter head assembly 2 is convenient to disassemble, and a plurality of anti-skid protrusions 2041 are arranged on the handle part 204, so as to reduce the operation difficulty.
[0031] Referring to Figure 1 and Figure 4 , the lower part of the second temperature changing surface 101 is provided with an arc surface 1011, so that the shaving is more close to the skin and the use comfort is improved; the first temperature changing surface 202 is made of metal material or non-metal temperature conducting material, the second temperature changing surface 101 is made of metal material or non-metal temperature conducting material, and the non-metal temperature conducting material can be ceramic material; the first temperature changing surface 202 and / or the second temperature changing surface 101 is provided with temperature sensitive paint, the temperature sensitive paint is a special coating, the material of the temperature sensitive paint comprises temperature sensitive compound, so that the temperature sensitive paint can change color according to the change of temperature, and an intuitive temperature identification mode is provided, the user can intuitively understand the temperature state of the cutter head by observing the color change of the temperature sensitive paint, and the discomfort caused by overheating or overcooling is avoided; the temperature sensitive paint is arranged by spraying or brushing, a uniform coating is formed, the coating is closely combined with the coated surface, so as to ensure that the temperature sensitive paint can effectively transmit temperature.
[0032] The knife head structure in the utility model has the advantages of simple structure, low production cost, first temperature change surface and second temperature change surface, increased temperature change area for contacting the skin during shaving, comfortable use, good experience, magnetic type installation of the knife head assembly, convenient disassembly and assembly, convenient cleaning and replacement of the knife head, skin contact on the first temperature change surface and the second temperature change surface can feel the temperature, increased skin temperature contact area, more uniform temperature feeling, more comfortable skin temperature feeling, improved use experience, the knife head assembly or the shell with the knife head assembly is first placed in cold water or hot water or other medium with temperature during shaving, so that the temperature in the water is conducted to the first temperature change surface and the second temperature change surface, thereby achieving the temperature change effect, the first temperature change surface and the second temperature change surface can be heated or cooled according to user needs, the temperature change surface is heated to achieve the effects of hot compress of beard, expansion of pores and softening of beard, the temperature change surface is cooled to achieve the cool experience effect during shaving, the temperature of the temperature change surface can be controlled by controlling the water temperature, the cost of heating and cooling of the temperature change surface is low, operation is simple, use is flexible, and the experience is good, and the lower part of the second temperature change surface is provided with an arc surface, so that the skin is more fitted during shaving, and the use comfort is improved.
[0033] In addition, the utility model provides a hair trimmer, including the knife head structure as described above, relative to prior art, the hair trimmer of the utility model has the same advantages as the above knife head structure relative to prior art, and details are not repeated here.
[0034] The components included in the assembly of the present disclosure can also be combined flexibly, that is, they can be produced modularly according to actual conditions and assembled as an independent module, or they can be assembled separately.
[0035] In the description of the present disclosure, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure.
[0036] In addition, the terms "first", "second" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0037] In the present disclosure, unless specifically defined and limited otherwise, the terms "mounting", "connecting" and the like should be interpreted broadly, for example, can be fixedly connected, can be detachably connected, or integrated; can be mechanically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.
[0038] In the present disclosure, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium.
[0039] It should be noted that when an element is referred to as "provided on" another element, it can be directly on the other element or there can be a mediating element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a mediating element. Further, when an element is referred to as "fixedly connected" to another element, the two can be fixedly connected in a detachable manner or fixedly connected in a non-detachable manner such as sleeving, clamping, integrally formed fixing, welding, etc., which can be achieved in the conventional art and will not be repeated here.
[0040] The technical features of the above embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not contradict, they should be considered as within the scope of the present disclosure.
[0041] The above embodiments only express several implementation manners of the present disclosure, which are described in a more specific and detailed manner, but should not be understood as limiting the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the utility model concept of the present disclosure, a number of modifications and improvements can be made, which are within the protection scope of the present disclosure.
Claims
1. A tool bit structure, characterized by The application relates to a razor head structure, which comprises a housing (1) and a razor head assembly (2) arranged on the housing (1), wherein one side of the razor head assembly (2) is provided with a shaving part (201) for shaving hair, the razor head assembly (2) is provided with a first temperature-changing surface (202), the housing (1) is provided with a second temperature-changing surface (101), and the first temperature-changing surface (202) and the second temperature-changing surface (101) can contact the skin during the process of shaving hair, thereby increasing the temperature-changing area in contact with the skin. The razor head assembly (2) is provided with the first temperature-changing surface (202) on the same side of the shaving part (201), the first temperature-changing surface (202) is arranged on the outer side of the shaving part (201) or at least three sides of the shaving part (201) in a circumferential manner, the second temperature-changing surface (101) is arranged on the outer side of the first temperature-changing surface (202) or at least three sides of the first temperature-changing surface (202) in a circumferential manner, and the first temperature-changing surface (202) and the second temperature-changing surface (101) are both temperature-conducting materials.
2. The tool bit structure according to claim 1, wherein The razor head assembly (2) comprises a holder (21) and a plurality of blades (22) connected to the holder (21), the shaving part (201) is formed on the blades (22), and the first temperature-changing surface (202) is arranged on the holder (21).
3. The tool bit structure according to claim 1, wherein The first temperature-changing surface (202) is annular and arranged on the outer side of the shaving part (201) in a three-circumferential or four-circumferential manner.
4. The tool bit structure according to claim 1, wherein The second temperature-changing surface (101) is annular and arranged on the outer side of the first temperature-changing surface (202) in a three-circumferential or four-circumferential manner.
5. The tool bit structure according to claim 1, wherein The razor head assembly (2) is detachably arranged on the housing (1).
6. The tool bit structure according to Claim 1, wherein The razor head assembly (2) is magnetically mounted on the housing (1), the razor head assembly (2) comprises a magnetically-attractive holder (21), the housing (1) is provided with a mounting groove (102) for mounting the razor head assembly (2), and the housing (1) is provided with a magnet (3) for magnetically attracting and positioning the razor head assembly (2) in the mounting groove (102).
7. The tool bit structure according to claim 6, wherein The razor head assembly (2) is provided with a limiting protrusion (203) extending in the direction of mounting the razor head assembly (2) into the mounting groove (102), and the housing (1) is provided with a limiting clamping groove (103) corresponding to the limiting protrusion (203).
8. The tool bit structure according to claim 7, wherein The razor head assembly (2) is provided with a handle part (204), an external force drives the razor head assembly (2) out of the mounting groove (102) through the handle part (204), and the handle part (204) is provided with a plurality of anti-slip protrusions (2041).
9. The tool bit structure according to claim 8, wherein The lower part of the second temperature-changing surface (101) is provided with an arc-shaped surface (1011).
10. The tool bit structure according to Claim 1, wherein The first temperature-changing surface (202) and the second temperature-changing surface (101) are both metal materials or non-metal temperature-conducting materials, and the first temperature-changing surface (202) and / or the second temperature-changing surface (101) is provided with temperature-sensing color-changing paint.
11. A tool bit structure according to any one of claims 1-10, characterized in that The application further relates to a razor head structure as claimed in any one of claims 1-11.
12. A hair trimmer characterized by