Hair curler

Abstract

The utility model relates to a hair curler which comprises a first shell and a second shell, the first shell comprises a first shell wall and a second shell wall, the first shell wall is provided with a first buckling part, and the second shell wall is provided with a first connecting part; the heat conducting plate comprises a first edge and a second edge, the first edge is provided with a second buckling part which is buckled and connected with the first buckling part in the first direction, and the second edge is provided with a second connecting part which is connected with the first connecting part; the second buckling part is provided with a first sliding groove, and the first buckling part is in sliding connection with the first sliding groove in the second direction; the heat conducting plate slides in the second direction through the first sliding groove and the first buckling part so that the first connecting part and the second connecting part can be connected or separated, the first direction is different from the second direction, and the second direction is parallel to the extending direction of the first edge. According to the heat conducting plate, the buckling part is arranged on the heat conducting plate, and the sliding groove is formed in the buckling part, so that the heat conducting plate installation mode that buckling is conducted in the first direction firstly and then pushing-in is conducted in the second direction is achieved, and the operation space needed for installing the heat conducting plate is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of hairdressing, and in particular to a hair curler. Background Art

[0002] The curling iron allows users to curl their hair conveniently. In order to reduce the discomfort caused by heat conduction to the handle held by the user during the curling process, the curling iron is equipped with a heat insulation box to improve the heat insulation effect between the handle and the heating element.

[0003] However, the addition of the heat-insulating box to the curling iron also results in an increase in the connection structure of the curling iron, which results in a relatively tight installation space during the assembly of the curling iron. Utility Model Content

[0004] In order to overcome the problems existing in the related art, the present disclosure provides a hair curler.

[0005] According to a first aspect of an embodiment of the present disclosure, a hair curler is provided, comprising: a first shell, comprising a first shell wall and a second shell wall, the first shell wall being provided with a first snap portion, and the second shell wall being provided with a first connecting portion; a heat conducting plate, comprising a first side and a second side, the first side being provided with a second snap portion being snap-connected to the first snap portion in a first direction, and the second side being provided with a second connecting portion connected to the first connecting portion; the second snap portion being provided with a first sliding groove, the first snap portion being slidably connected to the first sliding groove in a second direction; the heat conducting plate slides along the second direction through the first sliding groove and the first snap portion to connect or separate the first connecting portion and the second connecting portion; wherein the first direction is different from the second direction, and the second direction is parallel to the extension direction of the first side.

[0006] In some embodiments, the first connecting portion includes a first protrusion, which extends from the second shell wall along the second direction; the second connecting portion includes a limiting groove, and the heat conducting plate slides along the second direction to approach the first shell wall so that the limiting groove accommodates the first protrusion.

[0007] In some embodiments, the heat conducting plate further includes: a first arc-shaped portion protruding in a direction away from the first shell, and the limiting groove is arranged on a side of the first arc-shaped portion facing the first shell; the second shell wall further includes: a second arc-shaped portion matching the shape of the first arc-shaped portion, and the first protruding portion is arranged on the second arc-shaped portion.

[0008] In some embodiments, the first shell further includes a first opening opposite to the second shell wall; the hair curler further includes a second shell, the second shell includes a third shell wall, the third shell wall is connected to the first opening and abuts against the heat conducting plate.

[0009] In some embodiments, the third shell wall includes a third connecting portion; the heat conducting plate further includes a third side abutting against the second shell wall, and the second connecting portion extends from the second side to the third side and is connected to the third connecting portion.

[0010] In some embodiments, the third connecting portion includes a second protrusion, which extends from the second shell wall along the second direction; the limiting groove includes a second opening arranged on the second side and a third opening arranged on the third side, and the limiting groove accommodates the first protrusion through the second opening and accommodates the second protrusion through the third opening.

[0011] In some embodiments, the first shell includes a fourth shell wall opposite to the first shell wall, and the fourth shell wall is provided with a third snap-fit ​​portion; the heat conducting plate includes a fourth side opposite to the first side, and the fourth side is provided with a fourth snap-fit ​​portion, and the fourth snap-fit ​​portion is provided with a second slide groove, the third snap-fit ​​portion and the fourth snap-fit ​​portion are snap-connected in the first direction, and the third snap-fit ​​portion and the second slide groove are slidingly connected in the second direction.

[0012] In some embodiments, there are multiple first protrusions and multiple second protrusions; and there are multiple limiting grooves.

[0013] In some embodiments, the first side is parallel to the fourth side; and the first direction is perpendicular to the plane where the first side and the fourth side are located.

[0014] In some embodiments, the curling iron further includes a heating element; the limiting groove includes a first limiting groove, the dimension of the first limiting groove in the thickness direction of the first protrusion is larger than the thickness dimension of the first protrusion, and the heating element is arranged in the first limiting groove.

[0015] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the present disclosure provides a snap-fit ​​portion that is snap-fitted to the first shell on the heat conducting plate, and provides a slide groove on the snap-fit ​​portion, so that during the installation process, the heat conducting plate can first be snap-fitted to the first shell along a first direction, and then pushed in along a second direction to achieve the connection and installation of the heat conducting plate and the first shell, thereby reducing the working space required during the installation of the heat conducting plate and avoiding other components of the curling iron during the installation process.

[0016] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0018] Figure 1 The figure is a schematic structural diagram of a hair curler according to an exemplary embodiment.

[0019] Figure 2 The figure is a schematic structural diagram of a hair curler with a hidden second housing component according to an exemplary embodiment.

[0020] Figure 3 The figure is a schematic cross-sectional view of a hair curler according to an exemplary embodiment.

[0021] Figure 4 It is a schematic structural diagram of a first shell according to an exemplary embodiment.

[0022] Figure 5 FIG. 1 is a schematic structural diagram of a heat conducting plate according to an exemplary embodiment.

[0023] Figure 6 FIG. 1 is a schematic structural diagram of a heat conducting plate according to an exemplary embodiment.

[0024] Figure 7 The figure is a schematic structural diagram of a hair curler with a hidden second shell component and a heat conducting plate according to an exemplary embodiment. DETAILED DESCRIPTION

[0025] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

[0026] In the related art, a heat-insulating box is added to the curling iron, which increases the number of shells of the curling iron, thereby increasing the connection structures inside the curling iron, such as screw columns. Since the horizontal distance between the screw columns and the heat conductor is relatively close, it is difficult to push the heat conductor into the heat-insulating box from the horizontal direction and install and connect it.

[0027] In order to solve the above technical problems, according to an embodiment of the present disclosure, a hair curler is provided, which includes: a first shell body, including a first shell wall and a second shell wall, the first shell wall is provided with a first snap portion, and the second shell wall is provided with a first connecting portion; a heat conducting plate, including a first side and a second side, the first side is provided with a second snap portion that is snap-connected to the first snap portion in a first direction, and the second side is provided with a second connecting portion connected to the first connecting portion; the second snap portion is provided with a first sliding groove, and the first snap portion is slidably connected to the first sliding groove in a second direction; the heat conducting plate slides along the second direction through the first sliding groove and the first snap portion to connect or separate the first connecting portion and the second connecting portion; wherein the first direction is different from the second direction, and the second direction is parallel to the extension direction of the first side.

[0028] The present disclosure provides a snap-fit ​​portion that is snap-fitted to the first shell on the heat conducting plate, and provides a sliding groove on the snap-fit ​​portion, so that during the installation process, the heat conducting plate can be snap-fitted to the first shell in a first direction first, and then pushed in along a second direction to achieve the connection and installation of the heat conducting plate and the first shell, thereby reducing the working space required during the installation of the heat conducting plate and avoiding other components of the curling iron during the installation process.

[0029] Figure 1 The figure is a schematic structural diagram of a hair curler according to an exemplary embodiment.

[0030] In some embodiments, as Figure 1 As shown, the curling iron may include a first shell component 201 and a second shell component 202. The first shell component 201 and the second shell component 202 may be hingedly connected. The first shell component 201 and the second shell component 202 may be respectively provided with heat conducting plates, so that the user can clamp the hair between the heat conducting plates of the first shell component 201 and the second shell component 202 to shape the hair.

[0031] Figure 2 The figure is a schematic structural diagram of a hair curler with a hidden second housing component according to an exemplary embodiment. Figure 3 The figure is a schematic cross-sectional view of a hair curler according to an exemplary embodiment. Figure 4 FIG. 1 is a schematic structural diagram of a first housing 10 according to an exemplary embodiment. Figure 5 FIG. 1 is a schematic structural diagram of a heat conducting plate 100 according to an exemplary embodiment.

[0032] In some embodiments, as Figure 2-Figure 5As shown, the curling iron may include a first housing 10 and a heat conducting plate 100. The heat conducting plate 100 may be a plate with good thermal conductivity. A user may place their hair between the two heat conducting plates 100 to heat and shape their hair, which then matches the shape of the heat conducting plates 100.

[0033] The first housing 10 may include a first housing wall 11 and a second housing wall 13. The first housing wall 11 and the second housing wall 13 may be two housing walls extending in different directions of the first housing 10. The first housing wall 11 may be provided with a first buckle portion 12, and the second housing wall 13 may be provided with a first connecting portion.

[0034] The heat conducting plate 100 may include a first side 110 and a second side 120. The first side 110 and the second side 120 may be two sides of the heat conducting plate 100 extending in different directions. The first side 110 may be provided with a second snap-fit ​​portion 111 snap-fitted to the first snap-fit ​​portion 12 in a first direction, and the second side 120 may be provided with a second connecting portion connected to the first connecting portion.

[0035] The second buckle portion 111 may be provided with a first sliding groove 112 , and the first buckle portion 111 is slidably connected to the first sliding groove 112 in the second direction.

[0036] The heat conducting plate 100 can slide along the second direction through the first sliding groove 112 and the first locking portion 12 to connect or separate the first connecting portion and the second connecting portion.

[0037] The first direction is different from the second direction, and the second direction is parallel to the extending direction of the first side 110 .

[0038] During the installation process of the heat conducting plate 100, the heat conducting plate 100 can first be pressed in a first direction to engage the first latch portion 12 and the second latch portion 111. The first latch portion 12 and the second latch portion 111 can limit the displacement of the heat conducting plate 100 in the first direction, thereby improving the connection stability between the heat conducting plate 100 and the first housing 10. Secondly, the heat conducting plate 100 can be pushed in a second direction. Through the sliding connection between the first slide groove 112 and the first latch portion 12, the heat conducting plate 100 can slide relative to the first housing 10 in the second direction.

[0039] Pushing the heat conducting plate 100 toward the first housing wall 11 connects the first connecting portion and the second connecting portion. This further limits the displacement of the heat conducting plate 100 in the first direction, thereby further improving the connection stability between the heat conducting plate 100 and the first housing 10. For example, the heat conducting plate 100 can be pushed 3 mm toward the first housing wall 11 to reduce interference with other components of the curling iron during installation.

[0040] Based on the same principle, the first connecting portion and the second connecting portion can be separated by pushing the heat conducting plate 100 away from the first shell wall 11 .

[0041] In the present disclosure, a snap-fit ​​portion is provided on the heat conducting plate 100 for snap-fit ​​connection with the first housing 10, and a slide groove is provided on the snap-fit ​​portion. This allows the heat conducting plate 100 to be snap-fitted to the first housing 10 along a first direction during installation, and then pushed in along a second direction to achieve connection and installation of the heat conducting plate 100 and the first housing 10. This reduces the working space required during installation of the heat conducting plate 100, and allows other components of the curling iron to be avoided during installation, thereby reducing interference with other components of the curling iron.

[0042] In some embodiments, as Figure 2 As shown, when the first connecting portion is connected to the second connecting portion, the second edge 120 of the heat conducting plate 100 can abut against the first shell wall 11 to limit the heat conducting plate 100 from sliding further toward the first shell wall 11, thereby fixing the relative position of the heat conducting plate 100 and the first shell 10 and improving the connection stability between the heat conducting plate 100 and the first shell 10.

[0043] In some embodiments, the first housing 10 may be a heat-insulating housing. Providing a heat-insulating housing on the curling iron can reduce the heat conduction efficiency between the heat-conducting plate 100 and the housing portion held by the user, thereby reducing the temperature rise of the user's grip and providing a good user experience.

[0044] In some embodiments, the heat conducting plate 100 may be a metal plate, for example, an aluminum plate. The present disclosure is not limited thereto, and the heat conducting plate 100 may also be other plates with good thermal conductivity.

[0045] In some embodiments, as Figure 2 and Figure 5 As shown, the heat conducting plates 100 may be wavy. A user may clamp their hair between the two heat conducting plates 100, and the hair may be heated and shaped into a wavy shape that matches the shape of the heat conducting plates 100, thereby achieving a change in hairstyle.

[0046] In some embodiments, as Figure 3 and Figure 4 As shown, the first connecting portion may include a first protrusion 14, which may be a protrusion structure extending from the second shell wall 13 along the second direction, and the second connecting portion may include a limiting groove, and the heat conducting plate 100 slides along the second direction to approach the second shell wall 13 so that the limiting groove accommodates the first protrusion 14.

[0047] Through the cooperative connection between the limiting groove and the first protrusion 14, the movement of the heat conducting plate 100 in directions other than the first direction can be restricted, thereby fixing the relative position of the heat conducting plate 100 and the first shell 10, and improving the connection stability between the heat conducting plate 100 and the first shell 10.

[0048] In some embodiments, as Figure 3-Figure 5 As shown, the heat conducting plate 100 may further include a first curved portion 101 that protrudes away from the first housing 10. The first curved portion 101 may be a structure for giving the heat conducting plate 100 a wavy shape. A limiting groove may be provided on a surface of the first curved portion 101 that faces the first housing 10, so that the limiting groove, which serves as a connecting structure, is located inside the curling iron, preventing the connecting structure from being exposed on the outer surface of the curling iron.

[0049] The second shell wall 13 may further include: a second curved portion 15 matching the shape of the first curved portion 101, and the first protrusion 14 may be arranged on the second curved portion 15, so that the first protrusion 14 can be matched and connected with the limiting groove arranged on the first curved portion 101 to limit the movement of the heat conducting plate 100 in directions other than the first direction, thereby fixing the relative position of the heat conducting plate 100 and the first shell 10, and improving the connection stability between the heat conducting plate 100 and the first shell 10.

[0050] In some embodiments, the limiting groove may be formed by at least two protruding structures provided on the first arc-shaped portion 101. For example, the two protruding structures may be two "L"-shaped protruding structures.

[0051] In some embodiments, as Figure 2 and Figure 4 The first housing 10 may further include a first opening 16 opposite the second housing wall 13. During installation of the heat conducting plate 100, before the heat conducting plate 100 is pushed toward the second housing wall 13, at least a portion of the heat conducting plate 100 may extend out of the first housing 10 through the first opening 16. In other words, the first opening 16 may avoid the heat conducting plate 100 during installation of the heat conducting portion, thereby providing a larger installation space for the heat conducting plate 100.

[0052] The hair curler may further include a second shell 60, which may include a third shell wall 61. The third shell wall 61 is connected to the first opening 16 and abuts against the heat conducting plate 100, thereby preventing the heat conducting plate 100 from detaching from the first opening 16, thereby fixing the relative position of the heat conducting plate 100 and the first shell 10, and improving the connection stability between the heat conducting plate 100 and the first shell 10.

[0053] In some embodiments, the curling iron may further include a third shell 70, and the first shell 10 and the second shell 60 may be fixedly connected to the same surface of the third shell 70. The first shell 10, the second shell 60 and the third shell 70 may together define an installation space, which may be used to install other components of the curling iron.

[0054] For example, the third housing 70 may be provided with a screw column, and the third housing 70 and the second housing 60 may be connected by screws.

[0055] Figure 6 FIG. 1 is a schematic structural diagram of a heat conducting plate 100 according to an exemplary embodiment. Figure 7 1 is a schematic structural diagram of a hair curler with a hidden second housing assembly 202 and a heat conducting plate 100 according to an exemplary embodiment.

[0056] In some embodiments, as Figure 6 and Figure 7 As shown, the third shell wall 61 may include a third connecting portion, and the heat conducting plate 100 may further include a third edge 130 abutting against the second shell wall 13, the second connecting portion extends from the second edge 120 to the third edge 130 and is connected to the third connecting portion, wherein the third edge 130 may be a side opposite to the second edge 120.

[0057] After the heat conducting plate 100 is pushed toward the first housing wall 11 and the first connecting portion and the second connecting portion are connected, the third housing wall 61 of the second housing 60 is connected to the heat conducting plate 100 to prevent the heat conducting plate 100 from being separated from the first opening 16. Furthermore, the connection between the second connecting portion and the third connecting portion further secures the relative positions of the heat conducting plate 100 and the first and second housings 10, 60, thereby improving the stability of the connections between the heat conducting plate 100 and the first and second housings 10, 60.

[0058] In some embodiments, as Figure 6 and Figure 7 As shown, the third connecting portion may include a second protrusion 62, which extends from the second shell wall 13 along the second direction. The limiting groove may include a second opening 1221 that can be provided on the second side 120 and a third opening 1222 that can be provided on the third side 130. The limiting groove accommodates the first protrusion 14 through the second opening 1221 and accommodates the second protrusion 62 through the third opening 1222.

[0059] Through the cooperative connection between the second protrusion 62 and the limiting groove, the first shell 10 and the second shell 60 can jointly limit the displacement of the heat conducting plate 100, thereby fixing the relative positions of the heat conducting plate 100, the first shell 10 and the second shell 60, and improving the installation firmness of the heat conducting plate 100.

[0060] In some embodiments, as Figure 3 and Figure 4 The first housing 10 includes a fourth housing wall 17 opposite to the first housing wall 11 , and the fourth housing wall 17 is provided with a third locking portion 18 .

[0061] The heat conducting plate 100 may include a fourth side 140 opposite to the first side 110, the fourth side 140 may be provided with a fourth snap-fit ​​portion 141, the fourth snap-fit ​​portion 141 may be provided with a second slide groove 142, the third snap-fit ​​portion 18 is snap-connected with the fourth snap-fit ​​portion 141 in the first direction, and the third snap-fit ​​portion 18 is slidingly connected with the second slide groove 142 in the second direction.

[0062] By symmetrically providing snap-fit ​​portions and sliding grooves on the first side 110 and the fourth side 140 opposite to each other on the heat conducting plate 100, the first four sides are stably connected to the fourth shell wall 17 on the basis of the stable connection between the first side 110 and the first shell wall 11, thereby further improving the connection stability between the heat conducting plate 100 and the first shell 10.

[0063] Furthermore, by providing fixed connection structures on multiple edges of the heat conducting plate 100 , the heat conducting plate 100 can be stably connected to the first shell 10 , thereby reducing the risk of the heat conducting plate 100 loosening, shaking or warping relative to the first shell 10 .

[0064] In some embodiments, as Figure 3 and Figure 7 The illustrated embodiment includes multiple first protrusions 14 and multiple second protrusions 62, as well as multiple retaining grooves. By providing multiple first protrusions 14, multiple second protrusions 62, and multiple retaining grooves, the number of connection structures between the heat conducting plate 100 and the first and second housings 10 and 60 can be increased, thereby further improving the stability of the connection between the heat conducting plate 100 and the first and second housings 10 and 60.

[0065] In some embodiments, as Figure 5 As shown, the first side 110 is parallel to the fourth side 140, and the first direction is perpendicular to the plane in which the first side 110 and the fourth side 140 lie. This allows the heat conducting plate 100 to avoid other components of the curling iron during installation, reducing the required installation space. The present disclosure is not limited to this, and the first direction may also be another direction that allows the heat conducting plate 100 to avoid other components of the curling iron during installation.

[0066] In some embodiments, as Figure 3 As shown, the hair curler may further include a heating element, which may be used to heat the heat conducting plate 100 .

[0067] The limiting groove may include a first limiting groove 122 , which may be a limiting groove among the plurality of limiting grooves close to the geometric center of the heat conducting plate 100 . Setting the heating element in the first limiting groove 122 can improve the uniformity of heating of the heat conducting plate 100 .

[0068] The first limiting groove 122 has a dimension in the thickness direction of the first protrusion 14 that is greater than the thickness of the first protrusion 14, thereby providing a larger accommodation space within the first limiting groove 122, so that the heating element can be disposed within the first limiting groove 122. By disposing the heating element within the first limiting groove 122, the limiting groove is reused, which can save additional mounting structures and reduce the installation space required to secure the heating element.

[0069] In the embodiment of the present disclosure, a snap-fit ​​portion is provided on the heat conducting plate 100 for snap-fit ​​connection with the first shell 10, and a slide groove is provided on the snap-fit ​​portion. This allows the heat conducting plate 100 to be snap-fitted to the first shell 10 along a first direction during installation, and then pushed in along a second direction to achieve connection and installation of the heat conducting plate 100 and the first shell 10. This reduces the working space required during installation of the heat conducting plate 100, and allows other components of the curling iron to be avoided during installation.

[0070] It is understood that in this disclosure, "plurality" refers to two or more than two, and other quantifiers are similar. "And / or" describes the association relationship of related objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects before and after are in an "or" relationship. The singular forms "a", "the" and "the" are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0071] It is further understood that the terms "second," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are merely used to distinguish information of the same type from one another and do not indicate a particular order or level of importance. In fact, expressions such as "second," "secondary," and the like are fully interchangeable. For example, without departing from the scope of this disclosure, the second information may also be referred to as the second information, and similarly, the second information may also be referred to as the second information.

[0072] It can be further understood that the terms "center", "longitudinal", "lateral", "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation.

[0073] It is further understood that, unless otherwise specified, “connection” includes a direct connection where there are no other components between the two elements, and also includes an indirect connection where there are other elements between the two elements.

[0074] It is further understood that although operations are described in a particular order in the drawings in the embodiments of the present disclosure, this should not be construed as requiring that the operations be performed in the particular order shown or in a serial order, or that all of the operations shown be performed to obtain the desired results. In certain circumstances, multitasking and parallel processing may be advantageous.

[0075] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered merely as exemplary, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0076] It should be understood that the present disclosure is not limited to the exact structures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the scope of the appended claims.

Claims

1. A hair curler, characterized in that: The hair curler comprises: The first shell includes a first shell wall and a second shell wall, wherein the first shell wall is provided with a first buckle portion, and the second shell wall is provided with a first connecting portion; The heat conducting plate includes a first side and a second side, wherein the first side is provided with a second snap-fit ​​portion snap-fitted to the first snap-fit ​​portion in a first direction, and the second side is provided with a second connecting portion connected to the first connecting portion; The second buckle portion is provided with a first sliding groove, and the first buckle portion is slidably connected to the first sliding groove in the second direction; The heat conducting plate slides along the second direction through the first sliding groove and the first buckle portion to connect or separate the first connecting portion with the second connecting portion; The first direction is different from the second direction, and the second direction is parallel to the extending direction of the first side.

2. The hair curler according to claim 1, wherein: The first connecting portion includes a first protrusion, and the first protrusion extends from the second shell wall along the second direction; The second connecting portion includes a limiting groove, and the heat conducting plate slides along the second direction to approach the first shell wall, so that the limiting groove accommodates the first protrusion.

3. The hair curler according to claim 2, characterized in that The heat conducting plate further comprises: a first arc-shaped portion protruding in a direction away from the first shell, the limiting groove being provided on a side of the first arc-shaped portion facing the first shell; The second shell wall further includes: a second arc-shaped portion having a shape matching that of the first arc-shaped portion, and the first protrusion is arranged on the second arc-shaped portion.

4. The hair curler according to claim 2, wherein: The first shell further includes a first opening opposite to the second shell wall; The hair curler further comprises a second shell, the second shell comprises a third shell wall, the third shell wall is connected to the first opening and abuts against the heat conducting plate.

5. The hair curler according to claim 4, characterized in that The third shell wall includes a third connecting portion; The heat conducting plate further includes a third side abutting against the second shell wall, and the second connecting portion extends from the second side to the third side and is connected to the third connecting portion.

6. The hair curler according to claim 5, characterized in that The third connecting portion includes a second protrusion, and the second protrusion extends from the second shell wall along the second direction; The limiting groove includes a second opening provided at the second side and a third opening provided at the third side. The limiting groove accommodates the first protrusion through the second opening and accommodates the second protrusion through the third opening.

7. The hair curler according to claim 1, wherein The first shell includes a fourth shell wall opposite to the first shell wall, and the fourth shell wall is provided with a third buckle portion; The heat conducting plate includes a fourth side opposite to the first side, the fourth side is provided with a fourth snap-fitting portion, the fourth snap-fitting portion is provided with a second slide groove, the third snap-fitting portion is snap-connected with the fourth snap-fitting portion in the first direction, and the third snap-fitting portion is slidingly connected with the second slide groove in the second direction.

8. The hair curler according to claim 6, characterized in that There are multiple first protrusions and multiple second protrusions; There are multiple limiting grooves.

9. The hair curler according to claim 7, characterized in that The first side is parallel to the fourth side; The first direction is perpendicular to a plane where the first side and the fourth side are located.

10. The hair curler according to claim 6, characterized in that The hair curler also includes a heating element; The limiting groove includes a first limiting groove, the dimension of the first limiting groove in the thickness direction of the first protrusion is larger than the thickness dimension of the first protrusion, and the heating element is arranged in the first limiting groove.

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