Rotary hair iron

Abstract

The utility model discloses a rotary hair iron which comprises a handle portion and a heating portion, and a driving mechanism used for driving the heating portion to rotate is arranged in the handle portion. The driving mechanism comprises a rotating ring rotationally connected into the handle part, the heating part comprises a locking ring and a heating barrel, the heating barrel is fixed into the right end face of the locking ring, a motor is further arranged in the handle part, an output shaft extending out of the motor is connected with a conductive assembly, and the conductive assembly is connected with the locking ring. A user can clamp hair on the heating cylinder and then rotate the heating cylinder, so that a better perm effect is achieved; according to the utility model, the rotating ring and the heating part can rotate stably by arranging the two convex rings, and the wiring groove is formed in the rotating ring, so that wires for connecting the handle and the heating part are arranged in order; the hair of a user is clamped through the clamping plate installed on the heating cylinder, the clamping plate is easy to replace, and the application range of the hair dryer is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of hair straighteners, in particular to a rotary hair straightener. Background Art

[0002] A hair straightener is a hair styling device used to shape hair.

[0003] Generally, a hair straightener has a handle part and a heating part. The heating part is used to contact the user's hair and shape it. In some hair straighteners, to make the hair straightener more convenient and fast, the heating part can rotate relative to the handle part, and the handle part is used to control the temperature and rotation of the heating part;

[0004] The handle part is generally electrically connected to the heating part through a wire. There are multiple wires arranged inside the hair straightener. Currently, there is generally no interval for the wires inside the hair straightener, which will make the wire distribution inside it messy and affect the assembly and subsequent maintenance work. Therefore, it needs to be improved. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a rotary hair straightener to solve the problems mentioned in the above background art.

[0006] The utility model provides the following technical solution: A rotary hair straightener includes a handle part and a heating part. A driving mechanism for driving the heating part to rotate is arranged inside the handle part;

[0007] The driving mechanism includes a rotating ring rotatably connected inside the handle part. The heating part includes a locking ring and a heating barrel. The heating barrel is fixed inside the right end face of the locking ring. A motor is also arranged inside the handle part. A conductive component is connected to the output shaft extending out of the motor. A driving rod inserted into the conductive component is integrally formed at the axis of the left side face of the rotating ring;

[0008] A locking groove for fixing the heating barrel is arranged inside the right side face of the rotating ring. Taking the axis of the rotating ring as the center, four left-through threading grooves are equally distributed inside the bottom face of the locking ring. The conductive component is electrically connected to the heating part through a wire passing through the threading groove;

[0009] It also includes a power supply component for supplying power to the conductive component.

[0010] Preferably, the conductive component includes a driving disc. A first clamping ring is integrally formed on the right side face of the driving disc. A positioning ring is integrally formed on the left side face of the rotating ring;

[0011] It also includes a connecting ring. An annular groove is arranged inside the left side face of the connecting ring. A second clamping ring is integrally formed on the right side face of the connecting ring;

[0012] There are three connecting rings distributed left and right. The second snap ring on the left connecting ring is inserted into the ring groove in the right connecting ring, the first snap ring is inserted into the ring groove in the leftmost connecting ring, and the second snap ring on the rightmost connecting ring is inserted into the positioning ring;

[0013] The left - right width of the ring groove and the positioning ring is smaller than the left - right width of the first snap ring and the second snap ring. And there is a notch respectively in the curved surfaces of the first snap ring and the second snap ring. A conductive ring is sleeved outside each of the first snap ring and the second snap ring. An inward - extending conductive sheet passing through the notch is integrally formed on the inner curved surface of the conductive ring. The wire is welded to the conductive sheet. The power supply assembly is used to supply power to the four conductive rings.

[0014] Preferably, the inner diameters of the first snap ring, the connecting ring, and the second snap ring are the same and coaxial. Centered on the axis of the connecting ring, four card slots are equiangularly arranged on the inner curved surfaces of the first snap ring, the connecting ring, and the second snap ring;

[0015] The driving rod is cross - shaped and inserted into the four card slots.

[0016] Preferably, the power supply assembly includes a circuit board arranged in the handle part. Four groups of power - supply spring plates are installed on the circuit board. Each group of power - supply spring plates includes two symmetrically distributed front - and - rear power - supply arc - shaped plates. The left - and - right distributed power - supply arc - shaped plates are respectively attached to the outside of the four conductive rings, and the arc surfaces inside the power - supply arc - shaped plates are in contact with the outer curved surfaces of the conductive rings.

[0017] Preferably, arc - shaped convex plates protruding inward are provided in the mutually - approaching arc surfaces of the power - supply arc - shaped plates.

[0018] Preferably, a cavity for accommodating the motor and the conductive component is provided in the handle part. A through - hole opening to the right is provided in the right side surface of the cavity, and an embedding groove is provided in the curved surface of the through - hole;

[0019] Two convex rings distributed left and right are integrally formed on the outer curved surface of the rotating ring. The left convex ring is attached to the right side surface of the cavity, and the right convex ring enters the embedding groove.

[0020] Preferably, an energizing switch, a power - control switch for electrically connecting with the circuit board, and a steering - control switch electrically connecting with the motor are provided on the handle part. The steering - control switch includes a forward - rotation button and a reverse - rotation button.

[0021] Preferably, a clamping device is further provided on the heating part. The clamping device includes a handle connected to the locking ring through a rotating shaft and a torsion spring. A clamping plate is connected to the handle, and the inner curved surface of the clamping plate is attached to the outer curved surface of the heating barrel.

[0022] Preferably, a convex platform is provided at the left edge of the upper side of the clamping plate. A groove is provided in the upper side curved surface of the handle, and a bolt threadedly connected to the convex platform is rotatably connected in the groove.

[0023] Preferably, the bolt is a wing nut, and two bolts are arranged front and back. A rubber pad for closing the groove is provided on the handle.

[0024] The present utility model provides a rotary hair curler, which has the following beneficial effects:

[0025] The heating barrel in the present utility model can rotate, and the user can clamp the hair on the heating barrel and then rotate the heating barrel to achieve a better hair curling effect;

[0026] In the present utility model, the rotating ring is made to rotate stably with the heating part by providing two convex rings. Moreover, by providing a wire threading groove in the rotating ring, the wires connecting the handle and the heating part are routed in an orderly manner;

[0027] In the present utility model, the user's hair is clamped by the clamping plate installed on the heating barrel, and the clamping plate is easy to replace, improving the applicable range of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is the external view schematic diagram of the present utility model;

[0029] Figure 2 is the internal structure schematic diagram of the handle part of the present utility model;

[0030] Figure 3 is Figure 2 the exploded view of the conductive component in

[0031] Figure 4 is the external view schematic diagram of the circuit board part in the present utility model;

[0032] Figure 5 is Figure 3 the external view schematic diagram of a connecting ring in

[0033] Figure 6 is Figure 3 the external view schematic diagram of the rotating ring in

[0034] Figure 7 is Figure 1 the external view schematic diagram of the clamping plate in

[0035] In the figure:

[0036] 11. Handle part; 12. Heating part; 13. Rotating ring; 14. Locking ring; 15. Heating barrel; 16. Motor; 17. Conductive component; 18. Driving rod; 19. Wire slot; 20. Conductive ring; 21. Power supply arc plate; 22. Arc convex plate; 23. Through hole; 24. Embedding groove; 25. Convex ring; 31. Driving disc; 32. First snap ring; 33. Connecting ring; 34. Ring groove; 35. Second snap ring; 36. Positioning ring; 37. Notch; 41. Locking groove; 61. Power-on switch; 62. Power control switch; 63. Steering control switch; 71. Handle; 72. Clamp plate; 73. Convex platform; 74. Rubber pad. Detailed implementation manners

[0037] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0038] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0039] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0040] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] Refer to Figures 1-7 , according to an embodiment of a rotary hair curling iron of the present utility model, it includes a handle part 11 and a heating part 12. A driving mechanism for driving the heating part 12 to rotate is provided inside the handle part 11. A user can hold the handle part 11 and control the rotation of the heating part 12 to perm the hair.

[0042] The driving mechanism includes a rotating ring 13 rotatably connected inside the handle part 11. The heating part 12 includes a locking ring 14 and a heating barrel 15. The heating barrel 15 is fixed inside the right end face of the locking ring 14, and the locking ring 14 is inserted and fixed into the rotating ring 13 from the left. An electric motor 16 is also provided inside the handle part 11. A conductive component 17 is connected to the output shaft extending from the electric motor 16. A driving rod 18 inserted into the conductive component 17 is integrally formed at the axis of the left side surface of the rotating ring 13. That is, when the electric motor 16 is powered on, it can drive the conductive component 17, the driving rod 18 and the rotating ring 13 to rotate, thereby controlling the rotation of the heating part 12.

[0043] A locking groove 41 for fixing the heating barrel 15 is provided inside the right side surface of the rotating ring 13. Taking the axis of the rotating ring 13 as the center, four left-through wire grooves 19 are equally distributed inside the bottom surface of the locking ring 14. The conductive component 17 is electrically connected to the heating part 12 through wires passing through the wire grooves 19. Each wire groove 19 has a group of wires passing through it. A power supply component for supplying power to the conductive component 17 is also included.

[0044] In this embodiment, the conductive component 17 includes a driving disk 31. A first clamping ring 32 is integrally formed on the right side surface of the driving disk 31. A positioning ring 36 is integrally formed on the left side surface of the rotating ring 13;

[0045] A connecting ring 33 is also included. A ring groove 34 is provided inside the left side surface of the connecting ring 33, and a second clamping ring 35 is integrally formed on the right side surface of the connecting ring 33;

[0046] Three connecting rings 33 are arranged in the left-right direction. The second clamping ring 35 on the left connecting ring 33 is inserted into the ring groove 34 inside the right connecting ring 33. The first clamping ring 32 is inserted into the ring groove 34 inside the leftmost connecting ring 33. The second clamping ring 35 on the rightmost connecting ring 33 is inserted into the positioning ring 36;

[0047] The left - right width of the annular groove 34 and the positioning ring 36 is smaller than that of the first snap ring 32 and the second snap ring 35. And there is a notch 37 respectively arranged in the curved surfaces of the first snap ring 32 and the second snap ring 35. An electrically conductive ring 20 is sleeved outside both the first snap ring 32 and the second snap ring 35. An electrically conductive sheet that passes through the notch 37 and extends inward is integrally formed on the inner curved surface of the electrically conductive ring 20. The wire is welded to the electrically conductive sheet. The power supply assembly is used to supply power to the four electrically conductive rings 20.

[0048] The power supply assembly includes a circuit board arranged in the handle portion 11. Four groups of power supply spring plates are arranged on the circuit board in a left - right distribution. Each group of power supply spring plates includes two symmetrically distributed power supply arc - shaped plates 21 in the front - rear direction. The left - right distributed power supply arc - shaped plates 21 are respectively attached to the outsides of the four electrically conductive rings 20, and the arc surfaces inside the power supply arc - shaped plates 21 are attached to the outer curved surfaces of the electrically conductive rings 20.

[0049] During the process of the motor 16 controlling the rotation of the conductive assembly 17, the electrically conductive ring 20 will rotate, while the power supply arc - shaped plate 21 is in a fixed state. And during this process, the power supply arc - shaped plate 21 will maintain contact with the conductive assembly 17 for power supply. The electrically conductive sheets in the four electrically conductive rings 20 are mutually misaligned, and there is a 90 - degree angle between each electrically conductive sheet. The misalignment of the electrically conductive sheets enables the four groups of wires connected to the electrically conductive sheets to respectively pass through the four wire grooves 19, making the wiring regular and orderly.

[0050] In addition, the connection method between the conductive assembly 17 and the drive rod 18 is as follows: The inner diameters of the first snap ring 32, the connection ring 33, and the second snap ring 35 are the same and coaxial. And with the axis of the connection ring 33 as the center, four card slots are equiangularly arranged on the inner curved surfaces of the first snap ring 32, the connection ring 33, and the second snap ring 35.

[0051] The drive rod 18 is cross - shaped and inserted into the four card slots. Such a setting enables the rotation of the conductive assembly 17 to drive the rotation of the drive rod 18 and is easy to assemble.

[0052] In this embodiment, in order to enable the power supply arc - shaped plate 21 to be in full contact with the electrically conductive ring 20 and avoid poor contact, an inward - protruding arc - shaped convex plate 22 is arranged in the arc surface of the power supply arc - shaped plate 21. The arc - shaped convex plate 22 is made by stamping process, which makes the corresponding part of the back surface of the power supply arc - shaped plate 21 recess inward.

[0053] The installation method of the rotating ring 13 is as follows: A cavity for accommodating the motor 16 and the conductive component 17 is provided in the handle portion 11. A through hole opening to the right is provided in the right side surface of the cavity, and an embedding groove 24 is provided in the curved surface of the through hole.

[0054] Two convex rings 25 distributed left and right are integrally formed on the outer curved surface of the rotating ring 13. The left convex ring 25 is attached to the right side surface of the cavity, and the right convex ring 25 enters the embedding groove 24. With such a setting, the rotating ring 13 and the heating portion 12 rotate stably.

[0055] In addition, an energization switch 61 for electrically connecting with the circuit board, a power control switch 62, and a steering control switch 63 for electrically connecting with the motor 16 are provided on the handle portion 11. The steering control switch 63 includes a forward rotation button and a reverse rotation button.

[0056] In one embodiment of the heating portion 12, a clamping device is further provided on the heating portion 12. The clamping device includes a handle 71 connected to the locking ring 14 through a rotating shaft and a torsion spring. A clamping plate 72 is connected to the handle 71. The inner curved surface of the clamping plate 72 is attached to the outer curved surface of the heating barrel 15. The torsion spring makes the clamping plate 72 tend to be attached to the heating portion 12 to clamp the user's hair.

[0057] The connection manner between the clamping plate 72 and the handle 71 is that a convex platform 73 is provided at the left edge of the upper side surface of the clamping plate 72. A groove is provided in the upper side curved surface of the handle 71, and a bolt threadedly connected to the convex platform 73 is rotatably connected in the groove. In this embodiment, the left - right width of the clamping plate 72 is less than half of the length of the heating barrel 15. To facilitate the user to replace the clamping plate 72 to adjust the length of the clamping plate 72, the bolt is a butterfly bolt, and for the stable installation of the clamping plate 72, two bolts distributed front and back are provided.

[0058] To ensure the beauty of the handle 71, a rubber pad 74 for closing the groove is provided on the handle 71, that is, the user needs to lift the rubber pad 74 and then rotate the bolt to disassemble and assemble the clamping plate 72, which is easy to operate.

[0059] The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A rotary hair curler, comprising a handle portion (11) and a heating portion (12), characterized in that: The handle portion (11) is provided with a driving mechanism for driving the heating portion (12) to rotate; The driving mechanism comprises a rotating ring (13) rotatably connected to the handle portion (11); the heating portion (12) comprises a locking ring (14) and a heating barrel (15); the heating barrel (15) is fixed to the right end surface of the locking ring (14); a motor (16) is further provided in the handle portion (11); an output shaft extending from the motor (16) is connected to a conductive component (17); a driving rod (18) is integrally formed at the axis of the left side surface of the rotating ring (13) and is inserted into the conductive component (17); A locking groove (41) for fixing the heating barrel (15) is provided on the right side surface of the rotating ring (13); four threading grooves (19) extending to the left are distributed at equal angles on the bottom surface of the locking ring (14) with the axis of the rotating ring (13) as the center; the conductive component (17) is electrically connected to the heating portion (12) via a wire passing through the threading groove (19); It also includes a power supply component for supplying power to the conductive component (17).

2. A rotary hair curler according to claim 1, characterized in that: The conductive component (17) comprises a driving disk (31), a first clamping ring (32) is integrally formed on the right side of the driving disk (31), and a positioning ring (36) is integrally formed on the left side of the rotating ring (13); It also comprises a connecting ring (33), wherein a ring groove (34) is provided in the left side surface of the connecting ring (33), and a second clamping ring (35) is integrally formed on the right side surface of the connecting ring (33); The connecting ring (33) is provided with three connecting rings (33) distributed on the left and right, the second snap ring (35) on the left connecting ring (33) is inserted into the ring groove (34) in the right connecting ring (33), the first snap ring (32) is inserted into the ring groove (34) in the leftmost connecting ring (33), and the second snap ring (35) on the rightmost connecting ring (33) is inserted into the positioning ring (36); The left-right width of the annular groove (34) and the positioning ring (36) is smaller than the left-right width of the first clamp ring (32) and the second clamp ring (35), and a notch (37) is provided in the curved surface of the first clamp ring (32) and the second clamp ring (35), respectively. The first clamp ring (32) and the second clamp ring (35) are both covered with a conductive ring (20), and the inner curved surface of the conductive ring (20) is integrally formed with a conductive sheet that passes through the notch (37) and extends inwardly, and the wire is welded to the conductive sheet. The power supply assembly is used to supply power to the four conductive rings (20).

3. A rotary hair curler according to claim 2, characterized in that: The first clamping ring (32), the connecting ring (33) and the second clamping ring (35) have the same inner diameter and are coaxial, and with the axis of the connecting ring (33) as the center, four clamping grooves are arranged at equal angles on the inner curved surfaces of the first clamping ring (32), the connecting ring (33) and the second clamping ring (35); The driving rod (18) is cross-shaped and inserted into the four slots.

4. A rotary hair curler according to claim 2, characterized in that: The power supply assembly comprises a circuit board arranged in the handle portion (11), and four groups of power supply spring plates are mounted on the circuit board and are distributed left and right. Each group of the power supply spring plates comprises two power supply arc plates (21) distributed symmetrically front and back. The power supply arc plates (21) distributed left and right are respectively attached to the outside of four conductive rings (20), and the arc surface inside the power supply arc plates (21) is attached to the outer curved surface of the conductive ring (20).

5. A rotary hair curler according to claim 4, characterized in that: An inwardly protruding arc-shaped convex plate (22) is provided in the arc-shaped surface of the power supply arc-shaped plate (21).

6. A rotary hair curler according to claim 1, characterized in that: The handle portion (11) is provided with a cavity for accommodating the motor (16) and the conductive component (17); a through hole opening to the right is provided in the right side surface of the cavity; and an embedding groove (24) is provided in the curved surface of the through hole; Two convex rings (25) distributed on the left and right are integrally formed on the outer curved surface of the rotating ring (13), the convex ring (25) on the left is attached to the right side of the cavity, and the convex ring (25) on the right enters the embedding groove (24).

7. A rotary hair curler according to claim 4, characterized in that: The handle portion (11) is provided with a power switch (61) and a power control switch (62) for being electrically connected to the circuit board, and a steering control switch (63) electrically connected to the motor (16); the steering control switch (63) comprises a forward button and a reverse button.

8. A rotary hair curler according to claim 1, characterized in that: The heating portion (12) is also provided with a clamping device, the clamping device comprising a handle (71) connected to the locking ring (14) via a rotating shaft and a torsion spring, the handle (71) being connected to a clamping plate (72), the inner curved surface of the clamping plate (72) being attached to the outer curved surface of the heating barrel (15).

9. A rotary hair curler according to claim 8, characterized in that: A boss (73) is provided at the left edge of the upper side of the clamping plate (72), and a groove is provided in the upper curved surface of the handle (71), wherein a bolt threadedly connected to the boss (73) is rotatably connected in the groove.

10. A rotary hair curler according to claim 9, characterized in that: The bolt is a butterfly bolt, and two of the bolts are arranged front and back. The handle (71) is provided with a rubber pad (74) for closing the groove.

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