Comb tooth structure and electric heating hair straightening comb applying same

Abstract

The utility model discloses a comb tooth structure and an electric heating hair straightening comb applying the comb tooth structure, and relates to the technical field of personal care electric appliances and parts of the personal care electric appliances. The outer contact component is buckled on the surface of the inner heat conduction component, so that a main body covering plate of the outer contact component covers a main body bearing plate of the inner heat conduction component, contact tooth side assembling sliding ribs of the outer contact component slide into heat conduction tooth side assembling sliding grooves of the inner heat conduction component, and side contact surfaces of the heat conduction teeth penetrate out of side contact surface penetrating holes of the contact teeth. And the side contact surfaces of the heat conduction teeth are flush with the surfaces of the contact teeth. The utility model mainly solves the problem of how to provide a comb tooth structure which is reliable in mechanical connection and easy to assemble for the electric heating hair straightening comb. A structure which is reliable in mechanical connection and easy to assemble is provided for the heat conduction teeth of the inner heat conduction component and the contact teeth of the outer contact component, mutual dislocation of the heat conduction teeth and the contact teeth is avoided, and the assembly cost can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of personal care electrical appliances and parts thereof, in particular to a comb tooth structure and an electric heating hair straightening comb using the same. Background Art

[0002] In the past, in order to achieve a straight hair effect, people usually used straightening irons to straighten large pieces of hair. However, the high temperature generated by the straightening irons can easily burn the hair. In addition, when the straightening irons clamp a large piece of hair, the hair will be heated unevenly and easily broken.

[0003] In view of the many adverse effects of hair straighteners, electric heating hair straightening combs have appeared in the prior art. When the electric heating hair straightening comb is in operation, each comb tooth has heat, and when used for combing hair, a small bunch of hair can be heated evenly, and the hair is not easily burned or broken.

[0004] The comb teeth of the electric heated hair straightening comb in the prior art usually have a stacked structure, namely an outer contact layer and an inner heat conductive layer. However, the outer contact layer and the inner heat conductive layer lack a reasonable assembly structure, and the temperature of the inner heat conductive layer is relatively high during use. After long-term use, the outer contact layer and the inner heat conductive layer are easily separated from each other, thereby affecting the user experience of the electric heated hair straightening comb and even damaging the electric heated hair straightening comb.

[0005] In summary, how to provide an electric heated hair straightening comb with a comb tooth structure that has reliable mechanical connection and is easy to assemble has become one of the problems that need to be solved urgently. Utility Model Content

[0006] The utility model aims to provide a comb tooth structure and an electric heating hair straightening comb using the same, which has a comb tooth structure with reliable mechanical connection and easy assembly.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a comb tooth structure, applied to an electric heating straight hair comb; it includes an inner heat-conducting component and an outer contact component; the inner heat-conducting component includes a main body bearing plate, on which a plurality of heat-conducting teeth are distributed; for any one of the heat-conducting teeth, the two opposite sides of the heat-conducting tooth are configured as side contact surfaces, and a side assembly groove is formed between the two side contact surfaces; the outer contact component includes a main body covering plate, on which a plurality of contact teeth are distributed; for any one of the contact teeth, the two opposite sides of the contact tooth are formed A side contact surface through-hole matching the shape of the side contact surface of the heat-conducting tooth, and a side assembly sliding rib matching the shape of the side assembly sliding groove of the heat-conducting tooth is formed on the inner side of the contact tooth; the outer contact member is buckled on the surface of the inner heat-conducting member so that the main body covering plate of the outer contact member covers the main body bearing plate of the inner heat-conducting member, the side assembly sliding rib of the contact tooth of the outer contact member slides into the side assembly sliding groove of the heat-conducting tooth of the inner heat-conducting member, and the side contact surface of the heat-conducting tooth passes through the side contact surface through-hole of the contact tooth so that the side contact surface of the heat-conducting tooth is flush with the surface of the contact tooth.

[0008] In the above technical solution, for any one of the heat-conducting teeth, a top positioning groove is formed on the top surface of the heat-conducting tooth; for any one of the contact teeth, a top positioning rib matching the shape of the top positioning groove of the heat-conducting tooth is formed on the inner side of the contact tooth; when the outer contact member is buckled onto the surface of the inner heat-conducting member, the top positioning rib of the contact tooth of the outer contact member is inserted into the top positioning groove of the heat-conducting tooth of the inner heat-conducting member.

[0009] In the above technical solution, at least a portion of the main body bearing plate of the inner heat-conducting component is pulled up to form a bottom contact surface; the main body covering plate of the outer contact component forms a bottom contact surface through-hole matching the shape of the bottom contact surface of the inner heat-conducting component; when the outer contact member is buckled onto the surface of the inner heat-conducting component, the bottom contact surface of the inner heat-conducting component passes through the bottom contact surface through-hole of the outer contact member, so that the bottom contact surface of the inner heat-conducting component is flush with the surface of the main body covering plate of the outer contact member.

[0010] In the above technical solution, the heat-conducting teeth of the inner heat-conducting component are formed on the bottom contact surface; the main body covering plate of the outer contact component forms a load-bearing beam on both sides of the bottom contact surface perforation, the root of the contact tooth is connected to the load-bearing beam, and the contact tooth spans the bottom contact surface perforation.

[0011] In the above technical solution, the heat-conducting teeth are distributed in at least three rows on the main body bearing plate of the inner heat-conducting component; the heat-conducting teeth in the two rows located at the edge have: the notches of their side mounting grooves face the outer side of the inner heat-conducting component; the remaining heat-conducting teeth have: any two adjacent heat-conducting teeth in the same row have the notches of their side mounting grooves facing opposite directions; the distribution number and position of the contact teeth on the outer contact component correspond to the distribution number and position of the heat-conducting teeth on the inner heat-conducting component, and the setting position of the side mounting sliding ribs of the contact teeth also corresponds to the setting position of the side mounting grooves of the heat-conducting teeth.

[0012] In the above technical solution, a plurality of functional teeth are distributed on the main body cover plate of the external contact member.

[0013] In the above technical solution, at least a portion of the external contact member is formed with a snap-fit ​​structure.

[0014] An electric heating hair straightening comb comprises the comb tooth structure mentioned above.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: in the comb tooth structure of the utility model and the electric heated straight hair comb using the same, the side assembly sliding ribs of the contact teeth of the outer contact component slide into the side assembly sliding grooves of the heat-conducting teeth of the inner heat-conducting component, and the side contact surfaces of the heat-conducting teeth pass through the side contact surface through holes of the contact teeth, so that the side contact surfaces of the heat-conducting teeth are flush with the surfaces of the contact teeth. In this way, a structure with reliable mechanical connection and easy assembly is provided for the heat-conducting teeth of the inner heat-conducting component and the contact teeth of the outer contact component, thereby avoiding the heat-conducting teeth and the contact teeth from being dislocated from each other and effectively reducing the assembly cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the utility model.

[0017] Figure 2 This is an exploded view of the present invention.

[0018] Figure 3 It is a three-dimensional view of the internal heat-conducting component in the utility model.

[0019] Figure 4 It is a three-dimensional view of the external contact component in the utility model.

[0020] The accompanying drawings are marked as follows: 1. internal heat-conducting component; 11. main body bearing plate; 111. bottom contact surface; 12. heat-conducting teeth; 121. side contact surface; 122. side assembly slide groove; 123. top positioning groove; 2. external contact component; 21. main body covering plate; 211. bottom contact surface perforation; 212. bearing beam; 22. contact teeth; 221. side contact surface perforation; 222. side assembly slide rib; 223. top positioning rib; 23. functional teeth; 24. snap-fit ​​structure. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 , this embodiment provides a comb tooth structure, which is applied to an electric heating straight hair comb.

[0023] The comb tooth structure of this embodiment includes an inner heat-conducting component 1 and an outer contact component 2; wherein the inner heat-conducting component 1 is an integrally formed metal component with good thermal conductivity, such as aluminum alloy; the outer contact component 2 is an integrally formed rubber-plastic component with good skin affinity, such as food-grade plastic.

[0024] The internal heat-conducting component 1 includes a main body bearing plate 11, which is in the shape of a flat plate and is used to constitute the main bearing structure of the internal heat-conducting component 1. A plurality of heat-conducting teeth 12 are distributed on the main body bearing plate 11. Specifically, the heat-conducting teeth 12 are solid tooth-like structures integrally formed on the main body bearing plate 11 and are distributed in an array manner on the main body bearing plate 11. For any heat-conducting tooth 12, the two opposite sides of the heat-conducting tooth 12 are configured as side contact surfaces 121, and a side assembly groove 122 is formed between the two side contact surfaces 121; specifically, the side contact surface 121 is a flat surface on the surface of the heat-conducting tooth 12, and the side assembly groove 122 is a groove-like structure on the surface of the heat-conducting tooth 12.

[0025] The outer contact member 2 includes a main body covering plate 21, which is in the shape of a flat plate and is used to constitute the main bearing structure of the outer contact member 2. A plurality of contact teeth 22 are distributed on the main body covering plate 21. Specifically, the contact teeth 22 are hollow tooth-like structures integrally formed on the main body covering plate 21 and are distributed in an array manner on the main body covering plate 21. It can be understood that the distribution method and number of the contact teeth 22 are the same as those of the heat-conducting teeth 12 of the inner heat-conducting member 1; for any contact tooth 22, there are: side contact surface through-holes 221 matching the shape of the side contact surface 121 of the heat-conducting tooth 12 are formed on the opposite sides of the contact tooth 22, and side assembly sliding ribs 222 matching the shape of the side assembly sliding grooves 122 of the heat-conducting tooth 12 are formed on the inner side of the contact tooth 22; specifically, the side contact surface through-holes 221 are through-holes on the contact tooth 22, and the side assembly sliding ribs 222 are rib-like structures inside the contact tooth 22.

[0026] The outer contact member 2 is buckled on the surface of the inner heat-conducting member 1 so that the main covering plate 21 of the outer contact member 2 covers the main bearing plate 11 of the inner heat-conducting member 1, and the side assembly sliding rib 222 of the contact tooth 22 of the outer contact member 2 slides into the side assembly sliding groove 122 of the heat-conducting tooth 12 of the inner heat-conducting member 1, and the side contact surface 121 of the heat-conducting tooth 12 passes through the side contact surface through hole 221 of the contact tooth 22, so that the side contact surface 121 of the heat-conducting tooth 12 is flush with the surface of the contact tooth 22; through the mutual cooperation of the side assembly sliding rib 222 and the side assembly sliding groove 122, the contact tooth 22 and the heat-conducting tooth 12 can be fastened to prevent the contact tooth 22 and the heat-conducting tooth 12 from being dislocated from each other.

[0027] In some possible embodiments, the main covering plate 21 of the outer contact member 2 is interference fit with the main bearing plate 11 of the inner heat-conducting member 1, and the multiple contact teeth 22 of the outer contact member 2 are also interference fit with the multiple heat-conducting teeth 12 of the inner heat-conducting member 1. The outer contact member 2 and the inner heat-conducting member 1 can be fixed by friction fit; in other embodiments, the outer contact member 2 and the inner heat-conducting member 1 can also be fixed to each other by screw locking or snap fastening.

[0028] Furthermore, for any heat-conducting tooth 12, a top positioning groove 123 is formed on the top surface of the heat-conducting tooth 12, specifically, the top positioning groove 123 is a groove-shaped structure on the top surface of the heat-conducting tooth 12; for any contact tooth 22, a top positioning rib 223 matching the shape of the top positioning groove 123 of the heat-conducting tooth 12 is formed on the inner side of the contact tooth 22, specifically, the top positioning rib 223 is a rib-shaped structure inside the contact tooth 22; when the outer contact member 2 is buckled onto the surface of the inner heat-conducting member 1, the top positioning rib 223 of the contact tooth 22 of the outer contact member 2 is inserted into the top positioning groove 123 of the heat-conducting tooth 12 of the inner heat-conducting member 1; through the mutual cooperation between the top positioning rib 223 and the top positioning groove 123, the contact tooth 22 and the heat-conducting tooth 12 can be further fastened.

[0029] Furthermore, at least a portion of the main body bearing plate 11 of the inner heat-conducting component 1 is pulled up to form a bottom contact surface 111. In fact, the bottom contact surface 111 is a raised portion of the surface of the main body bearing plate 11. In this embodiment, the bottom contact surface 111 is strip-shaped; the main body covering plate 21 of the outer contact component 2 forms a bottom contact surface through-hole 211 matching the shape of the bottom contact surface 111 of the inner heat-conducting component 1. In fact, the bottom contact surface through-hole 211 is a strip-shaped through-hole penetrating the main body covering plate 21; when the outer contact component 2 is buckled onto the surface of the inner heat-conducting component 1, the bottom contact surface 111 of the inner heat-conducting component 1 passes through the bottom contact surface through-hole 211 of the outer contact component 2, so that the bottom contact surface 111 of the inner heat-conducting component 1 is flush with the surface of the main body covering plate 21 of the outer contact component 2.

[0030] More specifically, the heat-conducting teeth 12 of the inner heat-conducting component 1 are formed on the bottom contact surface 111; the main covering plate 21 of the outer contact component 2 forms load-bearing beams 212 on both sides of the bottom contact surface through-hole 211, the root of the contact tooth 22 is connected to the load-bearing beam 212, and the contact tooth 22 spans the bottom contact surface through-hole 211.

[0031] Furthermore, the heat-conducting teeth 12 are distributed in at least three rows on the main body bearing plate 11 of the inner heat-conducting component 1. In this embodiment, the heat-conducting teeth 12 are distributed in three rows; the heat-conducting teeth 12 in the two rows at the edge have: the notches of their side mounting grooves 122 face the outside of the inner heat-conducting component 1; the remaining heat-conducting teeth 12 have: any two adjacent heat-conducting teeth 12 in the same row, the notches of their side mounting grooves 122 face in opposite directions, that is, the heat-conducting teeth 12 in the middle row have the notches of their side mounting grooves 122 staggered in direction; the number of contact teeth 22 distributed on the outer contact component 2 The number and position of the contact teeth 22 correspond to the distribution number and position of the heat-conducting teeth 12 on the inner heat-conducting component 1, that is, the contact teeth 22 in this embodiment are also distributed in three rows, and the setting position of the side assembly sliding ribs 222 of the contact teeth 22 also corresponds to the setting position of the side assembly sliding grooves 122 of the heat-conducting teeth 12, that is, the setting direction of the side assembly sliding ribs 222 of the contact teeth 22 on the contact teeth 22 corresponds to the notch direction of the side assembly sliding grooves 122 of the heat-conducting teeth 12; the notch directions of the side assembly sliding grooves 122 are arranged in a staggered manner, so that the connection between the heat-conducting teeth 12 and the contact teeth 22 is tighter.

[0032] Furthermore, a number of functional teeth 23 are distributed on the main covering plate 21 of the external contact member 2, and the functional teeth 23 are integrally formed on the main covering plate 21; in this embodiment, there are two types of functional teeth 23, one of which is a thin cylindrical tooth arranged around the contact tooth 22, and its direction is the same as that of the contact tooth 22, and the other is a round-headed tooth arranged around the edge of the external contact member 2, and its direction is perpendicular to the contact tooth 22.

[0033] Furthermore, at least a portion of the outer contact member 2 is formed with a snap-fit ​​structure 24. In this embodiment, the snap-fit ​​structure 24 is formed at the edge of the outer contact member 2 and is configured as a hook shape; in other embodiments, the snap-fit ​​structure 24 can also be configured as a snap groove shape.

[0034] When assembling the comb tooth structure of this embodiment, it is only necessary to align the heat-conducting teeth 12 of the inner heat-conducting component 1 and push them into the contact teeth 22 of the outer contact component 2 until the main body covering plate 21 of the outer contact component 2 covers the main body bearing plate 11 of the inner heat-conducting component 1; after the assembly is completed, the side assembly sliding ribs 222 of the contact teeth 22 of the outer contact component 2 slide into the side assembly sliding grooves 122 of the heat-conducting teeth 12 of the inner heat-conducting component 1, and the top positioning ribs 223 of the contact teeth 22 of the outer contact component 2 are inserted into the top positioning grooves 123 of the heat-conducting teeth 12 of the inner heat-conducting component 1. In this way, That is, a structure with reliable mechanical connection and easy assembly can be provided for the heat-conducting teeth 12 of the inner heat-conducting component 1 and the contact teeth 22 of the outer contact component 2; at this time, the side contact surface 121 of the heat-conducting tooth 12 passes through the side contact surface through hole 221 of the contact tooth 22, so that the side contact surface 121 of the heat-conducting tooth 12 is flush with the surface of the contact tooth 22, and the bottom contact surface 111 of the inner heat-conducting component 1 passes through the bottom contact surface through hole 211 of the outer contact component 2, so that the bottom contact surface 111 of the inner heat-conducting component 1 is flush with the surface of the main body covering plate 21 of the outer contact component 2, so that the surface of the entire comb tooth structure is flat.

[0035] The heating element (such as a PTC heating element or a resistive heating element) of the electric straightening comb is placed against the inner heat-conducting component 1, so that the inner heat-conducting component 1 can obtain heat, and the side contact surface 121 of the heat-conducting teeth 12 of the inner heat-conducting component 1 can directly contact the hair, thereby straightening the hair; the contact teeth 22 of the outer contact component 2 can partially cover the heat-conducting teeth 12 of the inner heat-conducting component 1 to prevent the heat-conducting teeth 12 from scalding the skin. At the same time, the main body covering plate 21 of the outer contact component 2 can partially cover the main body supporting plate 11 of the inner heat-conducting component 1 to prevent the main body supporting plate 11 from scalding the skin.

[0036] This embodiment also provides an electric heating hair straightening comb, which includes the above-mentioned comb tooth structure.

[0037] In the comb tooth structure of the present embodiment and the electric heated hair straightening comb using the same, the side assembly sliding rib 222 of the contact tooth 22 of the outer contact member 2 slides into the side assembly sliding groove 122 of the heat-conducting tooth 12 of the inner heat-conducting member 1, and the side contact surface 121 of the heat-conducting tooth 12 passes through the side contact surface through hole 221 of the contact tooth 22, so that the side contact surface 121 of the heat-conducting tooth 12 is flush with the surface of the contact tooth 22. In this way, a structure with reliable mechanical connection and easy assembly is provided for the heat-conducting teeth 12 of the inner heat-conducting member 1 and the contact teeth 22 of the outer contact member 2, so as to avoid the heat-conducting teeth 12 and the contact teeth 22 from being dislocated from each other, and can effectively reduce the assembly cost.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A comb tooth structure, applied to an electric hair straightening comb; characterized in that: including an inner heat conducting member and an outer contact member; The inner heat-conducting component comprises a main body bearing plate, on which a plurality of heat-conducting teeth are distributed; for any one of the heat-conducting teeth, two opposite surfaces of the heat-conducting tooth are configured as side contact surfaces, and a side assembly groove is formed between the two side contact surfaces; The external contact member comprises a main body cover plate, on which a plurality of contact teeth are distributed; for any of the contact teeth, two opposite sides of the contact tooth are formed with side contact surface through holes matching the shape of the side contact surface of the heat conducting tooth, and the inner side of the contact tooth is formed with a side assembly sliding rib matching the shape of the side assembly sliding groove of the heat conducting tooth; The outer contact member is buckled onto the surface of the inner heat-conducting member so that the main covering plate of the outer contact member covers the main bearing plate of the inner heat-conducting member, the side assembly sliding rib of the contact tooth of the outer contact member slides into the side assembly sliding groove of the heat-conducting tooth of the inner heat-conducting member, and the side contact surface of the heat-conducting tooth passes through the side contact surface through hole of the contact tooth so that the side contact surface of the heat-conducting tooth is flush with the surface of the contact tooth.

2. The comb tooth structure according to claim 1, characterized in that: For any of the heat-conducting teeth, a top positioning groove is formed on the top surface of the heat-conducting tooth; Any of the contact teeth has: a top positioning rib formed on the inner side of the contact tooth and matching the shape of the top positioning groove of the heat conducting tooth; When the outer contact component is buckled on the surface of the inner heat-conducting component, the top positioning ribs of the contact teeth of the outer contact component are inserted into the top positioning grooves of the heat-conducting teeth of the inner heat-conducting component.

3. The comb tooth structure according to claim 1 or 2, characterized in that: At least a portion of the main body bearing plate of the inner heat-conducting component is pulled up to form a bottom contact surface; The main body cover plate of the outer contact member is formed with a bottom contact surface through hole matching the shape of the bottom contact surface of the inner heat-conducting member; When the outer contact member is buckled on the surface of the inner heat conductive member, the bottom contact surface of the inner heat conductive member passes through the bottom contact surface through hole of the outer contact member, so that the bottom contact surface of the inner heat conductive member is flush with the main body cover plate surface of the outer contact member.

4. The comb tooth structure according to claim 3, characterized in that: The heat-conducting teeth of the inner heat-conducting component are formed on the bottom contact surface; The main body cover plate of the outer contact member forms load-bearing beams on both sides of the bottom contact surface through-hole, the roots of the contact teeth are connected to the load-bearing beams, and the contact teeth span the bottom contact surface through-hole.

5. The comb tooth structure according to claim 1 or 2, characterized in that: The heat-conducting teeth are distributed in at least three rows on the main body bearing plate of the inner heat-conducting component; The two rows of heat-conducting teeth located at the edge have: the notches of the side assembly slides thereof facing the outside of the inner heat-conducting member; The remaining heat-conducting teeth include: any two adjacent heat-conducting teeth in the same row, the notches of their side mounting slide grooves face in opposite directions; The distribution number and position of the contact teeth on the outer contact component correspond to the distribution number and position of the heat-conducting teeth on the inner heat-conducting component, and the setting position of the side mounting sliding rib of the contact teeth also corresponds to the setting position of the side mounting sliding groove of the heat-conducting teeth.

6. The comb tooth structure according to claim 1, characterized in that: A number of functional teeth are also distributed on the main body cover plate of the outer contact component.

7. The comb tooth structure according to claim 1, characterized in that: At least a portion of the outer contact member is formed with a snap fit structure.

8. An electric heating hair straightening comb, characterized in that: It comprises the comb tooth structure described in any one of claims 1-7.

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