Automatic curling iron

Abstract

The utility model discloses an automatic curling iron, which relates to the technical field of hairdressing tools, and comprises a handle and a curling assembly rotatably connected on the handle, the curling assembly is provided with a heating element, one end of the curling assembly corresponding to the handle is fixedly provided with a first power connection assembly electrically connected with the heating element, the handle is provided with an electric control module, and the electric control module is electrically connected with the heating element. One end, corresponding to the hair curling assembly, of the handle is fixedly provided with a second power connection assembly electrically connected to the electric control module, the first power connection assembly is provided with a conductive terminal, the second power connection assembly is provided with a conductive ring, and the conductive terminal elastically abuts against the conductive ring so that the conductive terminal can be electrically connected with the conductive ring; the hair curling assembly and the handle can be in elastic abutting contact through the conductive terminal and the conductive ring, so that electric connection is formed, the heating function of the hair curling assembly is achieved, meanwhile, due to the elastic abutting contact mode, the conductive terminal and the conductive ring can make full contact, and the conductive stability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hairdressing tools, in particular to an automatic curling rod. Background Art

[0002] With the improvement of living standards, people's pursuit of beauty is becoming more and more common. As one of the most popular hairdressing tools for women, curling irons are gradually becoming popular. Among them, handheld curling irons are widely used in the beauty and hairdressing industry and in daily life as a tool for curling and shaping hair. The main components of a curling iron are a handle and a heating outer barrel. When curling hair, the hair is wrapped around the heating part of the heating outer barrel to heat it, so that the hair is deformed and shaped according to the shape of the heating part.

[0003] In the prior art, in order to improve the curling efficiency, an automatic curling rod is proposed, such as the Chinese authorized patent with the publication number CN218073876U, in which the heating rod is fixed to the outer curling barrel and can rotate together, and the heating rod in the middle (or the heating rod and the curling barrel together) can be directly driven to rotate by a motor. Another example is the Chinese authorized patent with the publication number CN115153172B, in which the heating rod is connected to a fixing seat, which is rotatably connected to the handle through the fixing seat, and the fixing seat is driven to rotate by the motor, thereby driving the heating rod to rotate. However, since the heating rod described above can rotate by itself, it is inconvenient to connect the heating conductive connection with the control main board, and the electrical connection is relatively complex, easy to be damaged, and occupies a large space.

[0004] Therefore, it is necessary to propose an improved technical solution to solve the above problems. Utility Model Content

[0005] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0006] An automatic curling iron comprises a handle and a curling assembly rotatably connected to the handle, the curling assembly is provided with a heating element, one end of the curling assembly corresponding to the handle is fixedly provided with a first power connection assembly electrically connected to the heating element, the handle is provided with an electric control module, and one end of the handle corresponding to the curling assembly is fixedly provided with a second power connection assembly electrically connected to the electric control module, wherein:

[0007] The first power connection component is provided with a conductive terminal, and the second power connection component is provided with a conductive ring. The conductive terminal elastically abuts against the conductive ring so that the conductive terminal and the conductive ring are electrically connected.

[0008] As a further solution of the utility model: the conductive terminal includes a first terminal and a second terminal, and the conductive ring includes a first circular ring electrically connected to the first terminal and a second circular ring electrically connected to the second terminal.

[0009] As a further solution of the utility model: the hair curling component is also provided with a temperature control component, and the temperature control component is electrically connected to the first power connection component.

[0010] As a further solution of the utility model: the conductive terminal further includes a third terminal, and the conductive ring further includes a third ring electrically connected to the third terminal;

[0011] Wherein, the third terminal and the first terminal each form a loop with the second terminal.

[0012] As a further solution of the utility model: the ends of the first circular ring, the second circular ring and the third circular ring facing away from the conductive terminal are respectively provided with conductive sheets, and the conductive sheets are electrically connected to the electric control module.

[0013] As a further solution of the utility model: the first terminal, the second terminal and the third terminal are each provided with two;

[0014] The two first terminals are electrically connected to the first circular ring respectively, the two second terminals are electrically connected to the second circular ring respectively, and the two third terminals are electrically connected to the third circular ring respectively.

[0015] As a further solution of the utility model: the first terminal is a PTC positive terminal, the third terminal is an NTC positive terminal, and the second terminal is a PTC / NTC negative terminal.

[0016] As a further solution of the utility model: the hair curling assembly includes a connecting seat, and a heating rod and a clip fixed on the connecting seat, and the connecting seat and the handle are rotatably matched with one end of the hair curling assembly;

[0017] The first power connection component includes a PCB circular plate and a first connecting member, the first connecting member is fixedly connected to the connecting seat, and a first mounting groove corresponding to the PCB circular plate is opened along the surface of the first connecting member, the conductive terminal is arranged on the PCB circular plate, and the conductive terminal is electrically connected to the conductive ring through the first connecting member.

[0018] As a further solution of the utility model: the second power connection assembly includes a second connecting member, the second connecting member is fixedly connected to one end of the handle corresponding to the curling assembly, and a second installation groove corresponding to the conductive ring is opened along the surface of the second connecting member;

[0019] A limiting ring acting on the conductive ring is protrudingly provided in the second installation groove.

[0020] As a further solution of the utility model: the electric control module includes a main control circuit board and a motor electrically connected to the main control circuit board, and the motor shaft on the motor passes through the second power connection component and the first power connection component in sequence to be connected to the curling component.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] 1) The utility model includes a handle and a curling assembly rotatably connected to one end of the handle. A first power connection assembly and a second power connection assembly are respectively fixed on one end of the curling assembly and the handle that cooperate with each other. The first power connection assembly is used to electrically connect to the heating element on the curling assembly, and the second power connection assembly is used to electrically connect to the electric control module on the handle. The first power connection assembly is provided with a conductive terminal, and the second power connection assembly is provided with a conductive ring. When the curling assembly rotates relative to the handle, the conductive terminal can rotate relative to the conductive ring, and the conductive terminal can elastically abut against the conductive ring to form an electrical connection, thereby realizing the heating function of the curling assembly. At the same time, the elastic abutment contact mode enables the conductive terminal to fully contact with the conductive ring, thereby ensuring the stability of the conduction.

[0023] 2) By providing two first terminals, two second terminals and three terminals respectively, the corresponding heating element and the temperature control unit are respectively provided with two conductive channels. In particular, the two first terminals can be arranged at the two ends of the first ring opposite to each other, so that when the first terminals rotate relative to the first ring, even if one of the first terminals is temporarily separated from the first ring, it can be in contact with the first ring through the other first terminal, and the second terminal and the third terminal are similar, thereby effectively ensuring the effectiveness of the conductive terminals and the conductive ring, thereby ensuring the use function of the automatic curling iron.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 It is a front view structural schematic diagram of the utility model;

[0028] Figure 3 is along Figure 2 Schematic diagram of the cross-sectional structure in the AA direction;

[0029] Figure 4 It is a schematic diagram of the structure of the cooperation between the first power connection component and the second power connection component in the utility model;

[0030] Figure 5 It is a schematic diagram of the explosion structure of the utility model;

[0031] Figure 6 yes Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0032] The reference numerals and names in the figures are as follows:

[0033] 1. Handle; 2. Curling assembly; 3. First power connection assembly; 4. Electric control module; 5. Second power connection assembly; 6. Conductive terminal; 7. Conductive ring; 8. First terminal; 9. Second terminal; 10. First circular ring; 11. Second circular ring; 12. Third terminal; 13. Third circular ring; 14. Conductive sheet; 15. Connecting seat; 16. Heating rod; 17. Clip; 18. PCB circular plate; 19. First connecting piece; 20. First mounting groove; 21. Second connecting piece; 22. Second mounting groove; 23. Limiting ring; 24. Main control circuit board; 25. Motor. DETAILED DESCRIPTION

[0034] 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.

[0035] See also Figure 1-6 In an embodiment of the utility model, an automatic curling iron comprises a handle 1 and a curling assembly 2 rotatably connected to the handle 1, the curling assembly 2 is provided with a heating element (not shown), one end of the curling assembly 2 corresponding to the handle 1 is fixedly provided with a first power connection assembly 3 electrically connected to the heating element, the handle 1 is provided with an electric control module 4, so as to drive the curling assembly 2 to rotate through the electric control module 4, and one end of the handle 1 corresponding to the curling assembly 2 is fixedly provided with a second power connection assembly 5 electrically connected to the electric control module 4;

[0036] The first power connection component 3 is provided with a conductive terminal 6 , and the second power connection component 5 is provided with a conductive ring 7 . The conductive terminal 6 elastically abuts against the conductive ring 7 , so that the conductive terminal 6 and the conductive ring 7 are electrically connected.

[0037] The technical scheme of the utility model comprises a handle 1 and a curling assembly 2 rotatably connected to one end of the handle 1. A first power connection assembly 3 and a second power connection assembly 5 are respectively fixedly arranged on one end of the curling assembly 2 and the handle 1 that cooperate with each other. The first power connection assembly 3 is used to electrically connect with the heating element on the curling assembly 2, and the second power connection assembly 5 is used to electrically connect with the electric control module 4 on the handle 1. The first power connection assembly 3 is provided with a conductive terminal 6, and the second power connection assembly 5 is provided with a conductive ring 7. Therefore, when the curling assembly 2 rotates relative to the handle 1, the conductive terminal 6 can rotate relative to the conductive ring 7, and the conductive terminal 6 can elastically abut against the conductive ring 7 to form an electrical connection, thereby realizing the heating function of the curling assembly 2. At the same time, the elastic abutment contact mode enables the conductive terminal 6 to fully contact with the conductive ring 7, thereby ensuring the stability of the conduction. The overall structure is simple and the space occupied is small.

[0038] More specifically, in the embodiment of the present invention, the conductive terminal 6 includes a first terminal 8 and a second terminal 9 , and the conductive ring 7 includes a first circular ring 10 electrically connected to the first terminal 8 and a second circular ring 11 electrically connected to the second terminal 9 .

[0039] The conductive ring 7 can be understood as a circular ring structure, which has a first circular ring 10 and a second circular ring 11 arranged concentrically. The first terminal 8 can be the positive terminal of the corresponding heating element, and the second terminal 9 can be the negative terminal of the corresponding heating element, thereby forming a closed loop.

[0040] More specifically, in the embodiment of the present invention, the hair curling component 2 is further provided with a temperature control component (not shown), and the temperature control component is electrically connected to the first power connection component 3 .

[0041] By setting the temperature control unit, it is convenient to monitor the temperature of the heating element, prevent overheating and achieve precise temperature control, thereby improving the curling effect and enhancing the safety and use performance of the curling iron.

[0042] More specifically, in the embodiment of the utility model, the conductive terminal 6 further includes a third terminal 12, and the conductive ring 7 further includes a third ring 13 electrically connected to the third terminal 12;

[0043] The third terminal 12 and the first terminal 8 form a loop with the second terminal 9 respectively.

[0044] By increasing the setting of the temperature control unit, the third terminal 12 and the third ring 13 are added accordingly, that is, the third terminal 12 can be the positive terminal of the corresponding temperature control unit, and the second terminal 9 can be the negative terminal of the temperature control unit synchronously. It can be understood that the third ring 13 is concentrically arranged with the first ring 10 and the second ring 11.

[0045] More specifically, in the embodiment of the present invention, the first terminal 8 is a PTC positive terminal, the third terminal 12 is an NTC positive terminal, and the second terminal 9 is a PTC / NTC negative terminal.

[0046] That is, the heating element can be a PTC heating element, the temperature control element can be an NTC temperature sensor, and both the PTC heating element and the NTC temperature sensor can be built into the curling component 2.

[0047] More specifically, in the embodiment of the present utility model, two of each of the first terminal 8, the second terminal 9 and the third terminal 12 are provided;

[0048] The two first terminals 8 are electrically connected to the first ring 10 , respectively. The two second terminals 9 are electrically connected to the second ring 11 , respectively. The two third terminals 12 are electrically connected to the third ring 13 , respectively.

[0049] By providing two first terminals 8, two second terminals 9 and two third terminals 12 respectively, the corresponding heating element and the temperature control unit are respectively provided with two conductive channels, especially the two first terminals 8 can be relatively arranged at the two ends of the first circular ring 10, so that during the rotation of the first terminals 8 relative to the first circular ring 10, even if one of the first terminals 8 is temporarily separated from the first circular ring 10, the other first terminal 8 can be in contact with the first circular ring 10, and the second terminal 9 and the third terminal 12 are similar, thereby effectively ensuring the effectiveness of the conduction between the conductive terminal 6 and the conductive ring 7, thereby ensuring the use function of the automatic curling iron.

[0050] More specifically, in the embodiment of the present invention, a conductive sheet 14 is respectively disposed on one end of the first ring 10 , the second ring 11 and the third ring 13 facing away from the conductive terminal 6 , and the conductive sheet 14 is electrically connected to the electric control module 4 .

[0051] By bending and substantially vertically setting the conductive sheet 14 on the back end of the first ring 10 / the second ring 11 / the third ring 13, it is convenient to connect the conductive ring 7 with the electric control module 4 through the conductive sheet 14, and will not hinder the rotational movement of the conductive terminal 6 relative to the conductive ring 7.

[0052] More specifically, in the embodiment of the utility model, the hair curling assembly 2 includes a connecting seat 15, and a heating rod 16 and a clip 17 fixed on the connecting seat 15, and the connecting seat 15 is rotatably matched with one end of the handle 1 corresponding to the hair curling assembly 2;

[0053] The first power connection component 3 includes a PCB circular plate 18 and a first connecting member 19. The first connecting member 19 is fixedly connected to the connecting seat 15, and a first mounting groove 20 corresponding to the PCB circular plate 18 is opened along the surface of the first connecting member 19. The conductive terminal 6 is arranged on the PCB circular plate 18, and the conductive terminal 6 is electrically connected to the conductive ring 7 through the first connecting member 19.

[0054] It can be understood that the connection base 15 has an assembly cavity corresponding to the first power connection component 3, and the PCB circular plate 18 is fixed in the assembly cavity of the connection base 15 in a clamping manner through the first connection member 19. The fixed connection method of the first connection member 19 and the connection base 15 can adopt conventional technical means such as screw fastening, which not only effectively ensures that the first power connection component 3 can effectively rotate with the curling component 2, but also can realize the protection of the PCB circular plate 18 and the conductive terminals 6 thereon through the first connection member 19. The overall structure is simple and easy to assemble.

[0055] The heating element and the temperature control element can be built into the heating rod 16.

[0056] More specifically, in the embodiment of the utility model, the second power connection component 5 includes a second connection member 21, the second connection member 21 is fixedly connected to one end of the handle 1 corresponding to the curling component 2, and a second installation groove 22 corresponding to the conductive ring 7 is opened along the surface of the second connection member 21;

[0057] A limiting ring 23 is protrudingly disposed in the second mounting groove 22 and acts on the conductive ring 7 .

[0058] The handle 1 has a first shell and a second shell that are butted against each other, and the second connecting member 21 is clamped by the first shell and the second shell to achieve fixation, and the specific clamping method can be achieved by providing corresponding protrusions or grooves to cooperate with each other.

[0059] A second mounting groove 22 for mounting the conductive ring 7 is provided in the second connecting member 21, and a limiting ring 23 protruding thereon is used to isolate the first circular ring 10, the second circular ring 11 and the third circular ring 13. On the basis of not affecting the rotation of the conductive terminal 6 relative to the conductive ring 7, a corresponding snap-fitting protrusion can be provided in the second mounting groove 22 to realize the snap-fitting fixation of the conductive ring 7, or the conductive ring 7 can be fixed to the second connecting member 21 by gluing, etc., and combined with the design of the conductive sheet 14 described above, it can be understood that the second connecting member 21 has a through hole corresponding to the conductive sheet 14, so that the conductive ring 7 is limited by the plug-in cooperation between the conductive sheet 14 and the through hole, that is, it is effectively ensured that when the conductive terminal 6 rotates relative to the conductive ring 7, the conductive ring 7 can remain stable, thereby facilitating the stability of the electrical connection between the conductive terminal 6 and the conductive ring 7.

[0060] More specifically, in the embodiment of the utility model, the electric control module 4 includes a main control circuit board 24 and a motor 25 electrically connected to the main control circuit board 24, and the motor 25 shaft on the motor 25 passes through the second power connection component 5 and the first power connection component 3 in sequence to connect with the curling component 2.

[0061] The connecting base 15 of the curling assembly 2 has a connecting end locked with the shaft of the motor 25, that is, the connecting base 15 is driven to rotate by the motor 25, and the synchronous heating rod 16 and the clip 17 for clamping hair can rotate along with the connecting base 15, thereby realizing the curling function of the automatic curling iron.

[0062] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. An automatic curling iron, characterized in that: The invention comprises a handle and a curling assembly rotatably connected to the handle, wherein the curling assembly is provided with a heating element, and one end of the curling assembly corresponding to the handle is fixedly provided with a first power connection assembly electrically connected to the heating element, and the handle is provided with an electric control module, and one end of the handle corresponding to the curling assembly is fixedly provided with a second power connection assembly electrically connected to the electric control module, wherein: The first power connection component is provided with a conductive terminal, and the second power connection component is provided with a conductive ring. The conductive terminal elastically abuts against the conductive ring so that the conductive terminal and the conductive ring are electrically connected.

2. An automatic curling iron according to claim 1, characterized in that: The conductive terminal includes a first terminal and a second terminal, and the conductive ring includes a first circular ring electrically connected to the first terminal and a second circular ring electrically connected to the second terminal.

3. An automatic curling iron according to claim 2, characterized in that: The hair curling component is also provided with a temperature control component, and the temperature control component is electrically connected to the first power connection component.

4. An automatic curling iron according to claim 3, characterized in that: The conductive terminal further includes a third terminal, and the conductive ring further includes a third ring electrically connected to the third terminal; Wherein, the third terminal and the first terminal each form a loop with the second terminal.

5. An automatic hair curling iron according to claim 4, characterized in that: A conductive sheet is respectively disposed on one end of the first ring, the second ring and the third ring which are away from the conductive terminal, and the conductive sheet is electrically connected to the electric control module.

6. The automatic curling iron according to claim 4, characterized in that: The first terminal, the second terminal and the third terminal are each provided with two; The two first terminals are electrically connected to the first circular ring respectively, the two second terminals are electrically connected to the second circular ring respectively, and the two third terminals are electrically connected to the third circular ring respectively.

7. An automatic curling iron according to claim 4, characterized in that: The first terminal is a PTC positive terminal, the third terminal is an NTC positive terminal, and the second terminal is a PTC / NTC negative terminal.

8. An automatic hair curling iron according to any one of claims 1 to 7, characterized in that: The hair curling assembly comprises a connecting seat, a heating rod and a clip fixed on the connecting seat, and the connecting seat is rotatably matched with one end of the handle corresponding to the hair curling assembly; The first power connection component includes a PCB circular plate and a first connecting member, the first connecting member is fixedly connected to the connecting seat, and a first mounting groove corresponding to the PCB circular plate is opened along the surface of the first connecting member, the conductive terminal is arranged on the PCB circular plate, and the conductive terminal is electrically connected to the conductive ring through the first connecting member.

9. An automatic hair curling iron according to any one of claims 1 to 7, characterized in that: The second power connection assembly includes a second connecting member, the second connecting member is fixedly connected to one end of the handle corresponding to the hair curling assembly, and a second installation groove corresponding to the conductive ring is opened along the surface of the second connecting member; A limiting ring acting on the conductive ring is protrudingly provided in the second installation groove.

10. The automatic curling iron according to claim 1, characterized in that: The electric control module includes a main control circuit board and a motor electrically connected to the main control circuit board. The motor shaft on the motor passes through the second power connection component and the first power connection component in sequence to be connected to the curling component.

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