Automatic curling iron with improved structure

Abstract

The utility model relates to the technical field of automatic curling iron, and discloses an automatic curling iron with an improved structure, which comprises a handle and a winding drum rotationally connected with the handle, and a heating component is arranged in the winding drum; a control module and a driving mechanism are installed in the handle, the driving mechanism comprises a motor, a rotating shaft, a sliding ring mechanism and a connector, the sliding ring mechanism comprises an inner ring assembly and an outer ring assembly which are electrically connected with each other, the inner ring assembly is electrically connected with the control module, the outer ring assembly is arranged on the connector, and the inner ring assembly is electrically connected with the rotating shaft. The outer ring assembly is electrically connected with the heater; according to the automatic curling iron, the connecting structure of the handle and the winding drum is improved, the internal structure of the curling iron is further simplified on the basis that the original using function is met, multiple welding procedures are omitted, and the assembling cost and the assembling difficulty of the automatic curling iron are further reduced.

Description

Technical Field

[0001] This utility model relates to the field of automatic hair curling iron technology, and in particular to an automatic hair curling iron with an improved structure. Background Technology

[0002] Curling irons are broadly classified into manual and automatic types. In existing technology, automatic curling irons consist of a handle and a barrel. To ensure the barrel maintains high temperature and electrical conductivity while curling hair, a specific connecting component needs to be installed inside the handle. Existing connecting components require at least two sets of spring holders, each consisting of an inner and outer seat. Furthermore, several PCT and NTC springs of varying sizes need to be welded onto the seat. This connecting component suffers from technical problems such as overly complex structure, high assembly cost, and high assembly difficulty. To address these issues, the inventor has developed a new invention. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing an improved automatic curling iron with a simplified structure and reduced assembly difficulty.

[0004] To achieve the above objectives, this utility model provides an improved automatic curling iron, comprising a handle and a barrel rotatably connected to the handle. The outer wall of the barrel is provided with a drive handle and a clamping plate for clamping hair in conjunction with the barrel; the drive handle drives the clamping plate to move. A heating assembly is disposed inside the barrel. A control module and a drive mechanism are installed inside the handle. The drive mechanism includes a motor, a rotating shaft, a slip ring mechanism, and a connector. The motor is electrically connected to the control module and drives the rotating shaft. The connector is disposed at the top of the rotating shaft and is fixedly connected to the barrel. The slip ring mechanism includes an inner ring assembly and an outer ring assembly electrically connected to each other. The inner ring assembly is electrically connected to the control module, and the outer ring assembly is disposed at the connector and electrically connected to the heater. The motor drives the rotating shaft to rotate, the rotating shaft drives the connector and the outer ring assembly to rotate, and the connector drives the barrel to rotate, keeping the outer ring assembly continuously electrically connected to the heating assembly.

[0005] Preferably, a bearing is provided between the inner ring assembly and the outer ring assembly.

[0006] Preferably, the inner ring assembly includes an inner ring seat, a conductive metal ring, and conductive leads; the inner ring seat has a through hole in the middle for the rotating shaft to pass through, the conductive metal ring is fixedly sleeved on the outer wall of the inner ring seat, and the conductive leads are electrically connected to the conductive metal ring and the control module.

[0007] Preferably, the bottom of the inner ring seat is further provided with a fixing block, the fixing block has an insertion hole, and the inner ring seat is provided with a plug-in post corresponding to the insertion hole; the outer end of the fixing block is fixedly connected to the inner wall of the handle; and an E-type retaining spring is also provided on the side of the fixing block away from the inner ring seat.

[0008] Preferably, the conductive metal ring and the inner ring seat are integrally injection molded.

[0009] Preferably, the outer ring assembly includes an outer ring seat, a connecting plate, and a U-shaped spring; the outer ring seat is movably sleeved on the outside of the inner ring seat, and a spring slot is provided on the side wall of the outer ring seat; the U-shaped spring is disposed in the spring slot and electrically connected to the conductive metal ring; the middle part of the U-shaped spring extends outward and is electrically connected to the heating component; the outer ring seat is fixedly connected to the connector through the connecting plate.

[0010] Preferably, the outer ring seat includes a left cover and a right cover, which are detachably connected by screws.

[0011] Preferably, the motor is connected to the rotating shaft via a coupling.

[0012] Preferably, the heating assembly includes a heater, a temperature sensor, and a set of symmetrically arranged heat-conducting support plates; the heater is electrically connected to the outer ring assembly, the heater is disposed between the heat-conducting support plates and transfers heat to the heat-conducting support plates; the temperature sensor is used to sense the temperature of the heater.

[0013] Preferably, the outer wall of the handle is provided with a control panel, which is electrically connected to the control module; and an external wire is connected to the end of the handle.

[0014] Beneficial effects: Compared with the prior art, this utility model is an improved automatic curling iron, including a handle and a cylinder rotatably connected to the handle; by improving the connection structure between the handle and the cylinder, this utility model further simplifies the internal structure of the curling iron while satisfying the original functions, eliminating multiple welding processes, thus further reducing the assembly cost and assembly difficulty of the automatic curling iron. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a schematic diagram of the internal cross-sectional structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the heating component structure of this utility model.

[0018] Figure 4 This is an exploded view of the drive mechanism of this utility model.

[0019] Figure 5 This is a schematic diagram of the slip ring mechanism of this utility model.

[0020] Figure 6 This is an exploded view of the slip ring mechanism of this utility model.

[0021] The reference numerals in the figures include:

[0022] Handle--1, Control Panel--11, External Cable--12, Drum--2, Drive Handle--21, Clamping Plate--22, Heating Component--23, Heater--231, Temperature Sensor--232, Thermal Support Plate--233, Control Module--3, Drive Mechanism--4, Motor--41, Rotating Shaft--42, Slip Ring Mechanism--43, Connector--44, Bearing--45 , Connecting coupler--46, Inner ring assembly--5, Inner ring seat--51, Through hole--511, Plug post--512, Conductive hardware ring--52, Fixing block--54, Socket--541, E-type snap ring--55, Outer ring assembly--6, Outer ring seat--61, Spring slot--611, Left cover--612, Right cover--613, Connecting plate--62, U-shaped spring--63. Detailed Implementation

[0023] The following is in conjunction with the appendix Figures 1 to 6 This utility model will be described in detail.

[0024] This utility model is an improved automatic curling iron, including a handle 1 and a cylinder 2 rotatably connected to the handle 1. The outer wall of the cylinder 2 is provided with a drive handle 21 and a clamping plate 22 for clamping hair in cooperation with the cylinder 2. The drive handle 21 drives the clamping plate 22 to move. A heating component 23 is provided inside the cylinder 2. A control module 3 and a drive mechanism 4 are installed inside the handle 1. The drive mechanism 4 includes a motor 41, a rotating shaft 42, a slip ring mechanism 43, and a connector 44. The motor 41 is electrically connected to the control module 3 and is driven by the rotating shaft 42. The connector 44 is located at the top of the rotating shaft 42 and is fixedly connected to the cylinder 2. The slip ring mechanism 43 includes an inner ring component 5 and an outer ring component 6 that are electrically connected to each other. The inner ring component 5 is electrically connected to the control module 3, and the outer ring component 6 is located at the connector 44 and is electrically connected to the heater 231.

[0025] When using the curling iron, press the drive handle 21 to open the clamp 22, put in the hair to be curled, and then release the drive handle 21. The clamp 22 clamps the hair. Then press the button on the control panel 11. When the motor 41 starts, the motor 41 drives the rotating shaft 42 to rotate. The rotating shaft 42 drives the connector 44 and the outer ring assembly 6 to rotate. The connector 44 drives the roller 2 to rotate and the outer ring assembly 6 provides power to the heating assembly 23, so that the curling iron can automatically curl the hair.

[0026] This invention improves the connection structure between the handle 1 and the roller 2, which satisfies the requirement of both driving the roller 2 to rotate and continuously supplying electricity to the heating component 23. It further simplifies the internal structure of the curling iron, requiring only one set of slip rings for use, and eliminating multiple spring sheet welding processes. This further reduces the assembly cost and difficulty of the automatic curling iron.

[0027] As an example, such as Figure 5 As shown, the inner ring assembly 5 and the outer ring assembly 6 are connected by a bearing 45, which ensures that the inner ring assembly 5 is not affected by the movement of the outer ring assembly 6.

[0028] As one embodiment, the inner ring assembly 5 includes an inner ring seat 51, a conductive metal ring 52, and conductive leads. The inner ring seat 51 has a through hole 511 in the middle for the rotating shaft 42 to pass through. The radius of the through hole 511 is larger than that of the rotating shaft 42, so that the rotation of the rotating shaft 42 will not affect the inner ring seat 51. The conductive metal ring 52 is fixedly sleeved on the outer wall of the inner ring seat 51. The conductive leads are electrically connected to the conductive metal ring 52 and the control module 3. The conductive leads are Teflon leads and mainly serve to conduct electricity. They are not shown in the figure.

[0029] In the above embodiment, the conductive metal ring 52 and the inner ring seat 51 are integrally injection molded. When manufacturing the inner ring assembly 5, all four conductive metal rings 52 are placed in the injection molding machine, and the injection molding machine directly injection molds the inner ring seat 51, so that the conductive metal rings 52 are fixedly nested on the outer wall of the inner ring seat 51. This not only significantly simplifies the production process but also improves production efficiency.

[0030] In another embodiment, a fixing block 54 is provided at the bottom of the inner ring seat 51. The fixing block 54 has an insertion hole 541, and the inner ring seat 51 is provided with a plug-in post 512 corresponding to the insertion hole 541. The plug-in post 512 of the inner ring seat 51 is inserted into the insertion hole 541 for positioning. At the same time, the outer end of the fixing block 54 is fixedly connected to the inner wall of the handle 1, so that the inner ring assembly 5 is fixedly installed inside the handle 1. Furthermore, an E-type retaining spring 55 is provided on the side of the fixing block 54 away from the inner ring seat 51. The E-type retaining spring 55 is engaged with the rotating shaft 42 to provide support force to further stabilize the inner ring structure.

[0031] In another embodiment, the outer ring assembly 6 includes an outer ring seat 61, a connecting plate 62, and a U-shaped spring piece 63. The outer ring seat 61 is movably sleeved outside the inner ring seat 51, and a spring piece slot 611 is provided on the side wall of the outer ring seat 61. The U-shaped spring piece 63 is disposed in the spring piece slot 611 and is electrically connected to the conductive metal ring 52 by tightly adhering to the conductive metal ring 52 through its U-shaped portion. The outer end of the U-shaped spring piece 63 extends out of the spring piece slot 611 and is electrically connected to the heating assembly 23. The outer ring seat 61 is fixedly connected to the connector 44 through the connecting plate 62. When the outer ring assembly 6 rotates, the U-shaped spring piece 63 rubs against the conductive metal ring 52, so that the motor 41 can always provide power to the heating assembly 23.

[0032] In this technical solution, the outer ring seat 61 includes a left cover 612 and a right cover 613, which are detachably connected by screws. This connection method makes it easier to assemble the inner ring assembly 5 and the outer ring assembly 6 into the slip ring mechanism 43.

[0033] As one embodiment, the motor 41 is connected to the rotating shaft 42 via a coupling 46.

[0034] In this technical solution, the heating assembly 23 includes a heater 231, a temperature sensor 232, and a set of symmetrically arranged heat-conducting support plates 233; the heater 231 is electrically connected to the outer ring assembly 6, the heater 231 is disposed between the heat-conducting support plates 233 and transfers heat to the heat-conducting support plates 233, the entire heating assembly 23 rotates with the drum 2, and the heat-conducting support plates 233 continuously transfer heat to the drum 2; the temperature sensor 232 is used to sense the temperature of the heater 231 and display it on the display screen of the control panel 11.

[0035] Preferably, the outer wall of the handle 1 is provided with a control panel 11, which is electrically connected to the control module 3. The user sends commands to the curling iron through the control panel 11. An external wire 12 is movably connected to the end of the handle 1. The external wire 12 can rotate with the swing angle of the curling iron, and the wire will not get tangled, making it more convenient for the user to use.

[0036] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An improved automatic curling iron, comprising a handle (1) and a cylinder (2) rotatably connected to the handle (1), characterized in that: The outer wall of the roller (2) is provided with a drive handle (21) and a clamping plate (22) for clamping hair in cooperation with the roller (2). The drive handle (21) drives the clamping plate (22) to move. The inside of the roller (2) is provided with a heating component (23). The handle (1) is equipped with a control module (3) and a drive mechanism (4). The drive mechanism (4) includes a motor (41), a rotating shaft (42), a slip ring mechanism (43), and a connector (44). The motor (41) is electrically connected to the control module (3) and is driven by the rotating shaft (42). The connector (44) is located at the top of the rotating shaft (42) and is fixedly connected to the drum (2). The slip ring mechanism (43) includes an inner ring assembly (5) and an outer ring assembly (6) that are electrically connected to each other. The inner ring assembly (5) is electrically connected to the control module (3). The outer ring assembly (6) is located at the connector (44) and is electrically connected to the heater (231). The motor (41) drives the rotating shaft (42) to rotate, the rotating shaft (42) drives the connector (44) and the outer ring assembly (6) to rotate, the connector (44) drives the drum (2) to rotate and keeps the outer ring assembly (6) electrically connected to the heating assembly (23).

2. The automatic curling iron with an improved structure according to claim 1, characterized in that: A bearing (45) is provided between the inner ring assembly (5) and the outer ring assembly (6).

3. The automatic curling iron with an improved structure according to claim 1, characterized in that: The inner ring assembly (5) includes an inner ring seat (51), a conductive metal ring (52), and a conductive lead wire; the inner ring seat (51) has a through hole (511) in the middle for the rotating shaft (42) to pass through, the conductive metal ring (52) is fixedly sleeved on the outer wall of the inner ring seat (51), and the conductive lead wire is electrically connected to the conductive metal ring (52) and the control module (3).

4. The automatic curling iron with an improved structure according to claim 3, characterized in that: The bottom of the inner ring seat (51) is also provided with a fixing block (54), the fixing block (54) is provided with a socket (541), and the inner ring seat (51) is provided with a plug post (512) corresponding to the socket (541); the outer end of the fixing block (54) is fixedly connected to the inner wall of the handle (1); an E-type retaining ring (55) is also provided on the side of the fixing block (54) away from the inner ring seat (51).

5. The automatic curling iron with an improved structure according to claim 3, characterized in that: The conductive metal ring (52) and the inner ring seat (51) are integrally injection molded.

6. The automatic curling iron with an improved structure according to claim 3, characterized in that: The outer ring assembly (6) includes an outer ring seat (61), a connecting plate (62), and a U-shaped spring (63); the outer ring seat (61) is movably sleeved on the outside of the inner ring seat (51), and the outer ring seat (61) has a spring slot (611) on its side wall. The U-shaped spring (63) is disposed in the spring slot (611) and electrically connected to the conductive metal ring (52); the middle part of the U-shaped spring (63) extends outward and is electrically connected to the heating component (23); the outer ring seat (61) is fixedly connected to the connector (44) through the connecting plate (62).

7. An automatic curling iron with an improved structure according to claim 6, characterized in that: The outer ring seat (61) includes a left cover (612) and a right cover (613), which are detachably connected by screws.

8. The automatic curling iron with an improved structure according to claim 1, characterized in that: The motor (41) is connected to the rotating shaft (42) via a connecting coupler (46).

9. The automatic curling iron with an improved structure according to claim 1, characterized in that: The heating assembly (23) includes a heater (231), a temperature sensor (232), and a set of symmetrically arranged heat-conducting support plates (233); the heater (231) is electrically connected to the outer ring assembly (6), and the heater (231) is disposed between the heat-conducting support plates (233) and transfers heat to the heat-conducting support plates (233); the temperature sensor (232) is used to sense the temperature of the heater (231).

10. An automatic curling iron with an improved structure according to any one of claims 1 to 9, characterized in that: The handle (1) has a control panel (11) on its outer wall, and the control panel (11) is electrically connected to the control module (3); the end of the handle (1) is connected to an external wire (12).

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