Hair curling iron with heat insulation cavity

By incorporating a hollow heat insulation section within the curling iron, the problems of complex heat insulation structures and cumbersome installation in existing technologies are solved, achieving a simple, low-cost heat insulation effect and convenient connection, while improving safety in use.

CN223817099UActive Publication Date: 2026-01-23SHENZHEN BELLASO TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520177983.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-27
Publication Date
2026-01-23
Estimated Expiration
2035-01-27

AI Technical Summary

Technical Problem

The existing heat insulation structure between the handle and the curling barrel of a curling iron is quite complex, resulting in high manufacturing costs and cumbersome installation and connection.

Method used

Design a curling iron with a heat insulation cavity. By setting a hollow heat insulation part between the handle and the curling barrel, the curling barrel and the handle are separated. The heat insulation part absorbs and exchanges heat with the external environment, preventing heat from being transferred to the handle.

Benefits of technology

It achieves a simple and low-cost heat insulation structure, reducing the risk of heat transfer to the handle and improving the convenience of installation and connection as well as the safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a curling iron with a heat insulation cavity, which comprises a handle and a curling cylinder, the handle comprises a shell and an electronic component, the shell is internally provided with an accommodating cavity, and the electronic component is arranged in the accommodating cavity; the hair curling cylinder is electrically connected with the electronic assembly, a heat insulation part is arranged at one end of the hair curling cylinder, the heat insulation part is connected with the shell, and the heat insulation part is of a hollow cavity structure. According to the curling iron with the heat insulation cavity, the curling cylinder and the handle are connected through the heat insulation part with the hollow interior, the curling cylinder and the handle can be separated, heat generated on the curling cylinder is prevented from being transmitted to the handle, and compared with a complex heat insulation structure in the prior art, the heat insulation structure of the curling iron in the scheme is simpler, and the heat insulation effect is better. The cost is lower, and the hair curling cylinder and the handle are more convenient to install and connect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to curling iron field, especially a curling iron with heat insulation cavity. BACKGROUND

[0002] The curling iron is a kind of handheld electronic device for curling hair into curly shape.Curling iron is generally composed of handle part and curling part, in order to avoid the heat generated by curling part during curling to be conducted to handle, heat insulation structure is generally arranged between handle part and curling part, but the heat insulation structure in the prior art is relatively complex, and the manufacturing cost is relatively high, and meanwhile it can also lead to the relatively cumbersome steps when handle part and curling part are installed and connected. UTILITY MODEL CONTENTS

[0003] The utility model discloses a curling iron with heat insulation cavity, which aims to solve the problem of complex heat insulation structure between the handle and the curling barrel of the curling iron.

[0004] To achieve the above object, the utility model provides a curling iron with heat insulation cavity, including handle and curling barrel, the handle includes shell and electronic assembly, the shell is equipped with containing cavity inside, and the electronic assembly is installed in the containing cavity;The curling barrel is electrically connected with the electronic assembly, one end of the curling barrel is equipped with heat insulation part, the heat insulation part is connected with the shell, and the heat insulation part is hollow cavity structure.

[0005] In the curling iron with heat insulation cavity provided by the utility model, the heat insulation part is hollow between the curling barrel and the handle, which can separate the curling barrel and the handle, avoid the heat generated by the curling barrel from being transferred to the handle, and compared with the complex heat insulation structure in the prior art, the heat insulation structure of the curling iron in the scheme is simpler, the cost is lower, and the installation and connection of the curling barrel and the handle are more convenient.

[0006] Optionally, the curling barrel includes barrel body and heating assembly arranged on the barrel body, the heating assembly is electrically connected with the electronic assembly, one end of the heat insulation part is connected with the barrel body, and the other end is connected with the shell.

[0007] Optionally, the electronic assembly is electrically connected with wire, and the wire is electrically connected with the heating assembly through the heat insulation part.

[0008] Optionally, the electronic assembly forms a middle space gap at one end of the containing cavity close to the heat insulation part, and the middle space gap is communicated with the cavity structure of the heat insulation part.

[0009] Optionally, the heating element includes a flexible heating plate and a heat-conducting plate. The heat-conducting plate is sleeved on the barrel and the flexible heating plate is attached to the heat-conducting plate. The flexible heating plate is electrically connected to the electronic component. The hair curling tube also includes a comb assembly, which is disposed on the heat-conducting plate.

[0010] Optionally, the comb assembly includes a mounting strip and comb teeth disposed on the mounting strip, the comb teeth being spaced apart on the mounting strip, and the heat-conducting sheet having a plurality of circumferentially spaced grooves, the mounting strip being connected to the grooves.

[0011] Optionally, the end of the cylinder near the heat insulation part is provided with a raised edge, which protrudes from the outer wall of the cylinder to the periphery; the end of the cylinder opposite to the heat insulation part is also provided with a heat insulation cap; the heat insulation cap and the raised edge are used to limit the displacement of the mounting strip in the strip groove.

[0012] Optionally, the heat insulation cap is detachably mounted on the cylinder.

[0013] Optionally, the heat insulation part is detachably connected to the housing, and one end of the heat insulation part is sleeved on the housing.

[0014] Optionally, the electronic component includes a circuit board and a display, both of which are installed within the receiving cavity. The display is electrically connected to the circuit board, and the housing has a display area, with the display corresponding to the display area. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the curling iron with a heat insulation cavity according to the present invention;

[0017] Figure 2 This is an exploded structural diagram of the curling iron with a heat insulation cavity according to the present invention;

[0018] Figure 3 This is another exploded structural diagram of the curling iron with a heat insulation cavity according to this utility model;

[0019] Figure 4 This is a longitudinal cross-sectional view of the curling iron with a heat insulation cavity according to the present invention;

[0020] Figure 5 This is a cross-sectional view of the curling iron with a heat insulation cavity according to the present invention.

[0021] Figure 6 This is another exploded structural diagram of the curling iron with a heat insulation cavity according to this utility model.

[0022] Explanation of icon numbers:

[0023] Reference Name Reference Name 100 Curling iron 22 Thermal insulation 10 Handle 23 Convex edge 11 Housing 24 Thermal insulation cap 111 Receiving cavity 25 Heating assembly 12 Electronic assembly 251 Flexible heating sheet 121 Circuit board 252 Thermally conductive sheet 122 Battery 253 Bar-shaped slot 123 Data connector 26 Comb assembly 124 Display piece 261 Comb teeth 20 Curling barrel 262 Mounting strip 21 Barrel

[0024] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0027] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] Please see Figures 1-5This utility model proposes a curling iron 100 with a heat insulation cavity, including a handle 10 and a curling tube 20. The handle 10 includes a housing 11 and an electronic component 12. The housing 11 has a receiving cavity 111 inside, and the electronic component 12 is installed in the receiving cavity 111. The curling tube 20 is electrically connected to the electronic component 12. One end of the curling tube 20 is provided with a heat insulation part 22, which is connected to the housing 11. The heat insulation part 22 is a hollow cavity structure. The hollow cavity structure means that there is no other solid structure inside the cavity that would transfer heat from the end of the curling tube 20 to the end of the handle 10.

[0029] In the curling iron 100 with a heat insulation cavity proposed in this utility model, the curling barrel 20 and the handle 10 are connected by an internally hollow heat insulation part 22, which can separate the curling barrel 20 from the handle 10 and prevent the heat generated on the curling barrel 20 from being directly transferred to the handle 10. Compared with the complex heat insulation structure in the prior art, the heat insulation structure of the curling iron 100 in this solution is simpler, the cost is lower, and the installation and connection of the curling barrel 20 and the handle 10 is also more convenient.

[0030] In this embodiment, since the heat insulation part 22 is hollow, there is no other solid structure between the hair curler 20 and the handle 10 that can conduct heat; the heat at the end of the hair curler 20 can only be transferred to the end of the handle 10 through the outer wall of the heat insulation part 22. When the heat is transferred to the heat insulation part 22, the heat insulation part 22 absorbs the heat and can directly exchange heat with the external environment, thereby reducing the amount of heat transferred from the hair curler 20 to the handle 10; thus achieving the effect of heat insulation.

[0031] Specifically, the handle 10 is the gripping area of ​​the curling iron 100, and the user can hold it on the handle 10 to curl hair. The housing 11 can be in the form of a columnar structure, such as a cylindrical structure or a rectangular columnar structure, which can be selectively set according to the user's grip habits or preferences. This application does not limit the shape of the housing 11.

[0032] The housing 11 has an internal cavity 111, within which the electronic component 12 can be installed. The electronic component 12 may include a circuit board 121, a battery 122, a display 124, and a data connector 123. All components, including the circuit board 121, battery 122, display 124, and data connector 123, are installed within the cavity 111 and electrically connected to the circuit board 121. The circuit board 121 may have a control circuit that can control the opening and closing of the curling iron 100 and its temperature. The data connector 123 allows for charging of the battery 122, which in turn powers the curling iron 20, making the wireless curling iron 100 more convenient to use.

[0033] The curling barrel 20 is part of the curling area of ​​the curling iron 100, and at least a portion of the curling barrel 20 is capable of heating to curl the hair. The end of the curling barrel 20 facing the handle 10 is provided with a heat insulation portion 22, which extends along the length of the curling barrel 20 toward the handle 10.

[0034] In some embodiments, the hair curler 20 may include a body 21, which is the main support structure of the hair curler 20. One end of the heat insulation part 22 is connected to the housing 11 of the handle 10, and the other end is connected to the body 21 of the hair curler 20. The heat insulation part 22 may be formed by extending from the body 21, or it may be a component that is detachably connected to the body 21.

[0035] The heat insulation part 22 is mainly used for heat insulation. The curling barrel 20 is connected to the handle 10 through the heat insulation part 22, which separates the handle 10 from the heating area of ​​the curling barrel 20. Since the heat generated by the curling barrel 20 can be gradually transferred from the barrel 21 to the handle 10, the heat insulation part 22 is added between the barrel 21 and the handle 10. The heat will be transferred to the heat insulation part 22 first. The heat insulation part 22 has no heat source and is in contact with the outside, so it can directly exchange heat with the external environment. This can effectively reduce the heat transferred to the handle 10 and prevent the user from getting too hot or even burned when holding the handle 10. Especially during the curling process, the barrel 21 needs to be heated for a long time. In the existing curling machines, there is no heat insulation part 22 between the barrel 21 and the handle. The temperature of the handle 10 can rise very easily, making it impossible for the user to hold the handle 10 and thus impossible to use the curling iron 100.

[0036] Optionally, the hair curler 20 includes a heating element 25 disposed on the body 21. The heating element 25 includes a flexible heating plate 251 and a heat-conducting plate 252. The heat-conducting plate 252 is sleeved on the body 21. The flexible heating plate 251 is attached to the heat-conducting plate 252. The flexible heating plate 251 is electrically connected to the circuit board 121.

[0037] The heat-conducting plate 252 can be made of a metal material with good thermal conductivity, thereby enabling better heat transfer. The heat-conducting plate 252 can be formed into a hollow cylindrical structure and fitted onto the outer periphery of the cylinder 21, and the flexible heating plate 251 can be located between the heat-conducting plate 252 and the cylinder 21. Preferably, the flexible heating plate 251 can be attached to the inner periphery of the heat-conducting plate 252, thereby enabling the flexible heating plate 251 to better heat the heat-conducting plate 252.

[0038] Optionally, the electronic component 12 is electrically connected to a wire, which passes through the heat insulation part 22 and is electrically connected to the heating component 25.

[0039] Preferably, the electronic component 12 forms a central gap at one end of the receiving cavity 111 near the heat insulation part 22, and the central gap is connected to the cavity structure of the heat insulation part 22. In this way, the distance between the electronic component 12 in the handle 10 and the curling tube 20 is larger, and the heat from the curling tube 20 is more difficult to be transferred to the electronic component 12.

[0040] Optionally, such as Figures 4-6 As shown, the curling iron 20 also includes a comb assembly 26, which is mounted on the heat-conducting plate 252. The comb assembly 26 includes a mounting strip 262 and comb teeth 261 disposed on the mounting strip 262. The comb teeth 261 are spaced apart on the mounting strip 262. The heat-conducting plate 252 has multiple circumferentially spaced slots 253, which can extend along the length of the heat-conducting plate 252. The mounting strip 262 is connected to the slots 253. The heat-conducting plate 252 is used to transfer heat to facilitate curling, and the comb teeth 261 are used to comb the hair and enhance the curling effect. The comb assembly 26 can be installed by sliding from one end of the corresponding slot 253 to the other end, making the assembly between the comb assembly 26 and the heat-conducting plate 252 relatively convenient. Since the comb teeth 261 are easily damaged parts, the comb tooth assembly 26 and the heat conduction plate 252 are detachably connected to facilitate the replacement of the comb teeth 261, avoiding the need to replace the entire comb tooth assembly 26 after the comb teeth 261 are damaged, thus saving replacement costs.

[0041] Optionally, please refer to Figures 1-5 The end of the cylinder 21 near the heat insulation part 22 is provided with a protruding edge 23, which protrudes from the outer wall of the cylinder 21 to the periphery. The protruding edge 23 can play a limiting role. Since the heating element 25 and the comb tooth assembly 26 are sleeved on the cylinder 21, the protruding edge 23 can limit the position of the two on the cylinder 21 and prevent them from sliding to the heat insulation part 22 and affecting the heat insulation effect of the heat insulation part 22.

[0042] Optionally, the heat insulation part 22 is detachably connected to the housing 11, with one end of the heat insulation part 22 sleeved on the housing 11. The heat insulation part 22 and the housing 11 can be connected by means of snap-fit, adhesive bonding, or other methods; this application does not impose any limitations on this.

[0043] Since the end of the curling iron 100 opposite to the handle 10 also generates heat during use, a heat-insulating cap 24 can be provided at the end of the body 21 opposite to the handle 10 to prevent burns from accidental contact with the heated end of the curling iron 100. The heat-insulating cap 24 can be a hollow hemispherical structure or a hollow cylindrical structure, etc., and this application does not limit it in this regard; the heat-insulating cap 24 also serves to fix the comb assembly 26 and prevent the mounting strip 262 from sliding out of the strip groove 253.

[0044] Optionally, the electronic component 12 also includes a display 124, which is installed in the receiving cavity 111 and electrically connected to the circuit board 121. The housing 11 has a display area, and the display 124 corresponds to the display area. In this way, the user can know the current temperature of the curling iron 20 in real time, which makes it easier for the user to control the curling iron 100 to curl hair at a suitable temperature, thus improving the user experience of the curling iron 100.

[0045] In summary, the curling iron 100 with a heat insulation cavity in this embodiment effectively prevents heat transfer to the handle 10 by adding a simple heat insulation part 22 between the handle 10 and the curling barrel 20, making it safer for users. At the same time, the simple structure of the heat insulation part 22 effectively reduces the manufacturing cost of the curling iron 100. The curling barrel 20 does not require complex heat insulation components when connected and installed with the handle 10, and the heat insulation part 22 makes the connection between the two more convenient and quick.

[0046] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A curling iron (100) with a heat-insulating cavity, characterized in that, include: A handle (10) includes a housing (11) and an electronic component (12). The housing (11) has a receiving cavity (111) inside, and the electronic component (12) is installed in the receiving cavity (111). A hair curler (20) is electrically connected to the electronic component (12). One end of the hair curler (20) is provided with a heat insulation part (22), which is connected to the housing (11). The heat insulation part (22) is a hollow cavity structure.

2. The curling iron (100) with a heat-insulating cavity as described in claim 1, characterized in that, The hair curling tube (20) includes a tube body (21) and a heating element (25) disposed on the tube body (21). The heating element (25) is electrically connected to the electronic component (12). One end of the heat insulation part (22) is connected to the tube body (21), and the other end is connected to the housing (11).

3. The curling iron (100) with a heat-insulating cavity as described in claim 2, characterized in that, The electronic component (12) is electrically connected to a wire, which passes through the heat insulation part (22) and is electrically connected to the heating component (25).

4. The curling iron (100) with a heat-insulating cavity as described in claim 2, characterized in that, The electronic component (12) forms a central space gap at one end of the receiving cavity (111) near the heat insulation part (22), and the central space gap is in communication with the cavity structure of the heat insulation part (22).

5. The curling iron (100) with a heat-insulating cavity as described in claim 2, characterized in that, The heating element (25) includes a flexible heating element (251) and a heat-conducting element (252). The heat-conducting element (252) is sleeved on the cylindrical body (21). The flexible heating element (251) is in contact with the heat-conducting element (252). The flexible heating element (251) is electrically connected to the electronic component (12). The hair curling tube (20) also includes a comb assembly (26). The comb assembly (26) is disposed on the heat-conducting element (252).

6. The curling iron (100) with a heat-insulating cavity as described in claim 5, characterized in that, The comb assembly (26) includes a mounting strip (262) and comb teeth (261) disposed on the mounting strip (262). The comb teeth (261) are spaced apart on the mounting strip (262). The heat-conducting plate (252) is provided with a plurality of strip grooves (253) spaced apart in the circumferential direction. The mounting strip (262) is connected to the strip grooves (253).

7. The curling iron (100) with a heat-insulating cavity as described in claim 6, characterized in that, The end of the cylinder (21) near the heat insulation part (22) is provided with a protruding edge (23), which protrudes from the outer wall of the cylinder (21) to the periphery; the end of the cylinder (21) opposite to the heat insulation part (22) is also provided with a heat insulation cap (24), which and the protruding edge (23) are used to limit the displacement of the mounting strip (262) in the strip groove (253).

8. The curling iron (100) with a heat-insulating cavity as described in claim 7, characterized in that, The heat insulation cap (24) is detachably mounted on the cylinder (21).

9. The curling iron (100) with a heat-insulating cavity as described in claim 1 or 2, characterized in that, The heat insulation part (22) is detachably connected to the housing (11), and one end of the heat insulation part (22) is sleeved on the housing (11).

10. The curling iron (100) with a heat-insulating cavity as claimed in claim 1, characterized in that, The electronic component (12) includes a circuit board (121) and a display (124). The display (124) and the circuit board (121) are both installed in the receiving cavity (111). The display (124) is electrically connected to the circuit board (121). The housing (11) is provided with a display area, and the display (124) corresponds to the display area.