Adjustable hair curler

Abstract

The utility model relates to the technical field of hair curlers, in particular to an adjustable hair curler which comprises a first hair clamping plate and a second hair clamping plate, and the first hair clamping plate is provided with a first heating piece. The hair clamping plate is provided with a rotary knob, the rotary knob is connected with a connecting shaft, the connecting shaft is sleeved with a gear, a plurality of vertically-arranged long-strip-shaped teeth are formed on the inner wall of the first heating part, the long-strip-shaped teeth are meshed with the gear, the rotary knob is rotated to drive the connecting shaft to rotate so as to drive the gear to rotate, and therefore the first heating part is driven to move; and the height of the heating piece I and the wave depth are adjusted, so that shapes with different wave depths can be made. The first hair clamping plate is provided with a mounting seat, the knob is connected with the connecting shaft through a limiting shaft, the limiting shaft is provided with a limiting block, the limiting block penetrates through the mounting seat and is provided with a protruding block, the mounting seat is provided with a plurality of first limiting grooves, the limiting block is located in the first limiting grooves so as to limit rotation of the knob, and therefore the wave depth is fixed when adjustment is not conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of hair curlers, in particular to an adjustable hair curler. Background Art

[0002] A curling iron is a handheld electronic product used to curl hair. Its main components are a handle and a heating component. However, different styles may require curls of different depths. Since the heating component is generally fixed to the handle and cannot be moved, a curling iron can only make a curl of one depth, that is, it does not have the function of adjusting the depth. When the user needs to complete a curly hairstyle with different depths, other auxiliary devices are required, so the operation is not very convenient and affects its operating efficiency. Summary of the invention

[0003] The utility model aims to provide an adjustable curling iron, which can drive the connecting shaft to rotate by turning the knob and then the gear to rotate, thereby driving the heating element to move, and then adjusting the height of the heating element and the wave depth, so that different wave depths can be made, thereby solving the problem that the existing method can only make one wave depth.

[0004] The purpose of the utility model is achieved in this way:

[0005] An adjustable hair curler comprises a hair clamping plate 1 and a hair clamping plate 2 rotatably arranged on the hair clamping plate 1, wherein the hair clamping plate 1 is provided with a movable heating element 1, and the hair clamping plate 2 has a hole for the heating element 1 to pass through;

[0006] A knob is arranged on one side of the hair clamping plate, and one end of the knob is connected to a connecting shaft, and a gear is sleeved on the connecting shaft. The inner wall of the heating element is formed with a plurality of vertically arranged long teeth, and the long teeth are meshed with the gear. By turning the knob, the connecting shaft is driven to rotate and the gear is driven to rotate, thereby driving the heating element to move;

[0007] The hair clamping plate 1 is provided with a mounting seat at the connection between the knob and the connecting shaft, and the knob is connected to the connecting shaft through a limiting shaft, and the limiting shaft is provided with a limiting block at one end close to the connecting shaft, and the limiting block passes through the mounting seat and is exposed, the limiting block is provided with a protrusion on a side close to the knob, and the mounting seat is provided with a plurality of limiting grooves 1 on a side close to the limiting block, the limiting block is located in the limiting groove 1 to limit the rotation of the knob, and the knob is pushed inward to drive the limiting shaft to move and separate the protrusion and the limiting groove 1, so that the knob can be rotated, and at this time, rotating the knob can drive the connecting shaft and the gear to rotate, thereby driving the heating element 1 to move, so that the wave depth can be adjusted and different curling effects can be achieved.

[0008] Preferably, the mounting seat is provided with a limit plate on a side close to the knob, and the limit plate is provided with a plurality of limit slots 2, a limit piece is sleeved on the outer side of the limit shaft, and the limit piece is located between the knob and the mounting seat and rotates synchronously with the knob, and one end of the knob is movably arranged in the limit piece;

[0009] A movable limiting rod, spring one and spring two are arranged between the limiting member and the knob, and the limiting rod is located between spring one and the limiting member, and one end of the limiting rod away from spring one passes through the limiting member and is located in limiting groove two, thereby limiting the rotation of the limiting member. By rotating the knob and driving the limiting member to rotate, the limiting rod is forced to retract, thereby causing the limiting rod to move with the rotation of the limiting member and cooperate with the other limiting groove two under the action of spring one.

[0010] Preferably, the side wall of the limit plate is provided with a convex plate, and the mounting seat is provided with a first card slot corresponding to the convex plate;

[0011] Or / and, the mounting seat is provided with a protrusion on a side close to the limiting plate, and the limiting plate is grooved corresponding to the protrusion;

[0012] Or / and, the limiting member is provided with a slide groove at one end close to the knob so as to allow the knob to move, and a convex strip 1 is provided on the inner wall of the slide groove, and a groove track 1 is provided on the knob corresponding to the convex strip 1;

[0013] Or / and, the limiting member is provided with a mounting groove, one end of the second spring is located in the mounting groove, and the other end of the second spring is in contact with the knob;

[0014] Or / and, the limiting member is provided with a mounting hole, and one end of the limiting rod passes through the mounting hole and is exposed, and one end of the spring is sleeved on the other end of the limiting rod, and the other end of the spring is in contact with the knob.

[0015] Preferably, the knob comprises a knob body and a cover, and a connecting groove is formed at one end of the knob body, and a connecting hole connected to the connecting groove is formed at the other end of the knob body, one end of the limit shaft is located in the connecting groove, and a fastener passes through the connecting hole and penetrates into the limit shaft so as to set the limit shaft on the knob body;

[0016] Or / and, a connecting groove is provided at one end of the knob, and a groove track 2 is provided on the inner wall of the connecting groove, and one end of the limiting shaft is located in the connecting groove, and a convex strip 2 is provided on the limiting shaft corresponding to the groove track 2.

[0017] Preferably, the inner wall of the knob body is provided with a protrusion, and the cover is provided with a second slot corresponding to the protrusion;

[0018] Or / and, a buckle is provided on the inner wall of the knob body, and a buckle hole is opened on the cover corresponding to the buckle.

[0019] Preferably, the hair clamping plate 1 is provided with a connecting seat, and the connecting seat is provided with an assembling hole, and one end of the connecting shaft away from the knob passes through the assembling hole to be exposed, and the connecting shaft can move in the assembling hole.

[0020] Preferably, the heating element comprises a heating body and side plates located on both sides of the heating body, and a groove is provided at the bottom of the heating body, and the inner wall of the groove is formed with the long teeth, the side plate is provided with a long hole connected to the groove, and the connecting shaft moves in the long hole.

[0021] Preferably, the hair clamp plate 1 has a built-in negative ion generator and a negative ion emitter, and the hair clamp plate 1 is provided with a hole corresponding to the negative ion emitter for exposing the negative ion emitter;

[0022] Or / and, a movable pushing block is provided on the first clamping plate, and a hook is provided on the pushing block, and a clamping groove is provided on the second clamping plate corresponding to the hook, when the hook is located in the clamping groove, the rotation of the second clamping plate is restricted, and the pushing block is moved to drive the hook to separate from the clamping groove, so that the second clamping plate can be rotated.

[0023] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0024] The utility model drives the connecting shaft to rotate by turning the knob and then the gear to rotate, thereby driving the heating element 1 to move, thereby adjusting the height of the heating element 1 and adjusting the wave depth, so that shapes with different wave depths can be made. In addition, by pushing the knob inward, the limit shaft is driven to move and the protrusion and the limit groove 1 are separated, and then the knob can be rotated, so that when not adjusted, the wave depth is fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the utility model.

[0026] Figure 2 It is a schematic structural diagram of the cross-section of the utility model.

[0027] Figure 3 It is a schematic diagram of the structure of the hairpin one.

[0028] Figure 4 The utility model is a structural schematic diagram of a hair clamping plate being disassembled.

[0029] Figure 5 It is a schematic diagram of the structure of the heating element and related parts.

[0030] Figure 6 for Figure 5 A schematic diagram of the structure from another perspective of some components.

[0031] Figure 7 Schematic diagram of the structure of the second clip plate.

[0032] Reference numerals: 1-hair clip plate 1; 11-hole; 12-push block; 121-hook; 13-negative ion generator; 14-negative ion emitter; 15-mounting plate 1; 2-hair clip plate 2; 21-heating element 1; 22-clip groove;

[0033] 23-mounting plate 2; 3-heating element 1; 31-side plate; 311-long hole; 32-heating body;

[0034] 321-groove; 33-long teeth; 4-knob; 41-groove track 1; 42-knob body;

[0035] 421-connection groove; 422-connection hole; 423-slot rail 2; 424-protrusion; 425-buckle; 43-cover;

[0036] 431-card slot 2; 432-card hole; 5-connecting shaft; 51-gear; 6-mounting seat; 61-limiting slot 1;

[0037] 62-slot 1; 63-protrusion; 7-limiting shaft; 71-limiting block; 72-convex block; 73-convex strip 2;

[0038] 8-limiting plate; 81-limiting groove 2; 82-convex plate; 9-limiting member; 91-limiting rod; 92-spring 1;

[0039] 93-spring 2; 94-slide groove; 941-convex strip 1; 95-mounting groove; 96-mounting hole; 10-connecting seat; 101-assembly hole. DETAILED DESCRIPTION

[0040] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0041] like Figure 1-Figure 7 As shown, an adjustable curling iron comprises a clamping plate 1 and a clamping plate 2 rotatably arranged on the clamping plate 1, wherein the clamping plate 1 is provided with a movable heating element 3, and the clamping plate 2 has a hole for the heating element 3 to pass through.

[0042] The second hair clamping plate 2 is provided with a second heating element 21 corresponding to the first heating element 3, and both the second hair clamping plate 2 and the second heating element 31 are provided with holes for the first heating element 3 to pass through.

[0043] A knob 4 is arranged on one side of the hair clamping plate 1, and one end of the knob 4 is connected to a connecting shaft 5, and a gear 51 is sleeved on the connecting shaft 5. The inner wall of the heating element 3 is formed with a plurality of vertically arranged long teeth 33, and the long teeth 33 are meshed with the gear 51.

[0044] Therefore, in actual use, by rotating the knob 4 and driving the connecting shaft 5 to rotate and then driving the gear 51 to rotate, the heating element 3 is driven to move, and then the height of the heating element 1 and the wave depth can be adjusted, so that shapes with different wave depths can be made.

[0045] At the same time, the hairpin plate 1 is provided with a mounting seat 6 at the connection between the knob 4 and the connecting shaft 5, and the knob 4 is connected to the connecting shaft 5 through a limiting shaft 7, and the limiting shaft 7 is provided with a limiting block 71 at one end close to the connecting shaft 5, and the limiting block 71 passes through the mounting seat 6 and is exposed, and the limiting block 71 is provided with a protrusion 72 on the side close to the knob 4, and the mounting seat 6 is provided with a plurality of limiting grooves 61 on the side close to the limiting block 71.

[0046] Therefore, in actual use, the limit block 71 is located in the limit slot 61 to limit the rotation of the knob 4, and when no adjustment is made, the wave depth is fixed. When adjustment is required, the knob 4 is pushed inward to drive the limit shaft 7 to move and separate the protrusion 72 and the limit slot 61, so that the knob 4 can be rotated. At this time, rotating the knob 4 can drive the connecting shaft 5 and the gear 51 to rotate, thereby driving the heating element 3 to move, so that the wave depth can be adjusted and different curling effects can be achieved.

[0047] At the same time, the limiting shaft 7 has a hole for the connecting shaft 5 to pass through and then be connected, and the other end of the limiting shaft 7 is plugged into the knob 4, that is, the knob 4 is grooved and the limiting shaft 7 is inserted.

[0048] like Figure 1-Figure 6 As shown, a limiting plate 8 is provided on the side of the mounting seat 6 close to the knob 4, and a plurality of limiting grooves 81 are provided on the limiting plate 8, and a limiting member 9 is sleeved on the outer side of the limiting shaft 7, and the limiting member 9 is located between the knob 4 and the mounting seat 6 and rotates synchronously with the knob 4, and one end of the knob 4 can be movably arranged in the limiting member 9.

[0049] At the same time, a movable limiting rod 91, spring one 92 and spring two 93 are arranged between the limiting member 9 and the knob 4, and the limiting rod 91 is located between the spring one 92 and the limiting member 9, and the end of the limiting rod 91 away from the spring one 92 passes through the limiting member 9 and is located in the limiting groove two 81 to limit the rotation of the limiting member 9.

[0050] Therefore, in actual use, by rotating the knob 4 and driving the limit member 9 to rotate, the limit rod 91 is forced to retract, so that the limit rod 91 moves with the rotation of the limit member 9 and cooperates with the other limit groove 2 81 under the action of the spring 1 92.

[0051] In addition, double limiters are used to ensure that the wave depth is fixed stably when no adjustment is made.

[0052] At the same time, the connection between the limiting plate 8 and the mounting seat 6 is as follows: first, a convex plate 82 is provided on the side wall of the limiting plate 8, and a card slot 62 is opened on the mounting seat 6 corresponding to the convex plate 82.

[0053] Furthermore, the mounting seat 6 is provided with a protrusion 63 at one side close to the limiting plate 8 , and the limiting plate 8 is grooved corresponding to the protrusion 63 .

[0054] Therefore, in actual use, the connection between the limiting plate 8 and the mounting seat 6 is achieved through the matching of the convex plate 82 and the card slot 1 62 or / and the matching of the protrusion 83 and the groove of the limiting plate 8.

[0055] In addition, the other side of the second limiting groove 81 is a protrusion, and the mounting seat 6 is correspondingly grooved so that the connection between the limiting plate 8 and the mounting seat 6 is more stable.

[0056] Secondly, the connection between the limit member 9 and the knob 4: first, the limit member 9 is provided with a slide groove 94 at one end close to the knob 4 so that the knob 4 can move, and the inner wall of the slide groove 94 is provided with a convex strip 941, and the knob 4 is provided with a groove track 41 corresponding to the convex strip 941.

[0057] Therefore, in actual use, the connection between the limiter 9 and the knob 4 is achieved through the adaptation of the convex strip 941 and the groove track 41.

[0058] Moreover, the installation of the knob 4 is assisted by the limiter 9, that is, a convex edge is arranged around the limiter 9, and the shell of the clip plate 1 is grooved for the convex edge to be placed, and the shell of the clip plate 1 is divided into two upper and lower parts for the knob 4 and is located above and below the knob 4 and fastened by screws.

[0059] The installation structure of the limiting rod 91, spring one 92 and spring two 93 is as follows: first, the limiting member 9 is provided with an installation slot 95, so during installation, one end of the spring two 93 is located in the installation slot 95, and the other end of the spring two 93 is in contact with the knob 4.

[0060] At the same time, the limiting member 9 is provided with a mounting hole 96 , so during installation, one end of the limiting rod 91 passes through the mounting hole 96 and is exposed, and one end of the spring 1 92 is sleeved on the other end of the limiting rod 91 , and the other end of the spring 1 92 abuts against the knob 4 .

[0061] like Figure 1-Figure 6 As shown, the structure between the knob 4 and the limit shaft 7 is: first, a connecting groove 421 is opened at one end of the knob 4, and a groove track 423 is opened on the inner wall of the connecting groove 421, and one end of the limit shaft 7 is located in the connecting groove 421, and the limit shaft 7 is provided with a convex strip 73 corresponding to the groove track 423.

[0062] The knob 4 includes a knob body 42 and a cover 43, and a connection groove 421 is provided at one end of the knob body 42, and a connection hole 422 communicating with the connection groove 421 is provided at the other end of the knob body 42, one end of the limit shaft 7 is located in the connection groove 421, and a fastener passes through the connection hole 422 and penetrates into the limit shaft 7, so as to set the limit shaft 7 on the knob body 42. The fastener is a screw.

[0063] The structure between the knob body 42 and the cover 43 is as follows: first, a protrusion 424 is provided on the inner wall of the knob body 42 , and a second slot 431 is provided on the cover 43 corresponding to the protrusion 424 .

[0064] Meanwhile, a buckle 425 is disposed on the inner wall of the knob body 42 , and a buckle hole 432 is opened on the cover 43 corresponding to the buckle 425 .

[0065] like Figure 1-Figure 6 As shown, the installation of the other end of the connecting shaft 5 is as follows: first, the hair clamp plate 1 is provided with a connecting seat 10, and the connecting seat 10 is provided with an assembling hole 101, and the end of the connecting shaft 5 away from the knob 4 passes through the assembling hole 101 and is exposed, and the connecting shaft 5 can move in the assembling hole 101.

[0066] like Figure 1-Figure 6 As shown, the structure of the heating element 3 is as follows: first, the heating element 3 includes a heating body 32 and side plates 31 located on both sides of the heating body 32, and a groove 321 is provided at the bottom of the heating body 32, and a long tooth 33 is formed on the inner wall of the groove 321, and the side plate 31 is provided with a long hole 311 connected to the groove 321, and the connecting shaft 5 moves in the long hole 311.

[0067] The heating body 32 has a hole for the heating plate to be placed, and metal parts for heat conduction are arranged above and below the heating plate. In order to facilitate the forming of the internal rack, the heating body 32 can be divided into multiple parts. At the same time, the heating body 32 and the side plate 31 are connected by screws and clamps (i.e., the connection between the block and the groove).

[0068] like Figure 1-Figure 7 As shown, the hair clamping plate 1 has a built-in negative ion generator 13 and a negative ion emitter 14 , and the hair clamping plate 1 is provided with a hole 11 corresponding to the negative ion emitter 14 for exposing the negative ion emitter 14 .

[0069] Therefore, in actual use, the negative ion generator 13 and the negative ion emitter 14 are provided to reduce the static friction between the hair, thereby avoiding the problems of frizzy, flat, tangled hair, etc.

[0070] Meanwhile, a movable push block 12 is disposed on the hair clamping plate 1 , and a hook 121 is disposed on the push block 12 , and a clamping groove 22 is provided on the hair clamping plate 2 corresponding to the hook 121 .

[0071] Therefore, in actual use, when the hook 121 is located in the clamping groove 22 , the second clamping plate 2 is restricted from rotating, and the hook 121 is driven to separate from the clamping groove 22 by moving the push block 12 , so that the second clamping plate 2 can be rotated.

[0072] Moreover, the rotation structure between the clamping plate 2 and the clamping plate 1 is as follows: first, the clamping plate 2 is symmetrically provided with two mounting plates 23, and the clamping plate 1 is symmetrically provided with two mounting plates 15, and the mounting plates 15 are located inside the mounting plates 23 and connected by shafts, thereby realizing rotation.

[0073] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. At the same time, the utility model is not limited by the above embodiments, so without departing from the principle and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model claimed for protection.

Claims

1. An adjustable hair curler, characterized in that: The invention comprises a hair clamping plate 1 (1) and a hair clamping plate 2 (2) rotatably arranged on the hair clamping plate 1 (1), wherein the hair clamping plate 1 (1) is provided with a movable heating element 1 (3), and the hair clamping plate 2 (2) has a hole for the heating element 1 (3) to pass through; A knob (4) is arranged on one side of the hair clamp plate (1), and one end of the knob (4) is connected to a connecting shaft (5), and a gear (51) is sleeved on the connecting shaft (5). The inner wall of the heating element (3) is formed with a plurality of vertically arranged long teeth (33), and the long teeth (33) are meshed with the gear (51). By rotating the knob (4), the connecting shaft (5) is driven to rotate, and the gear (51) is driven to rotate, thereby driving the heating element (3) to move. The hairpin plate 1 (1) is provided with a mounting seat (6) at the connection between the knob (4) and the connecting shaft (5), and the knob (4) is connected to the connecting shaft (5) via a limiting shaft (7), and the limiting shaft (7) is provided with a limiting block (71) at one end close to the connecting shaft (5), and the limiting block (71) passes through the mounting seat (6) and is exposed, and the limiting block (71) is provided with a protrusion (72) at one side close to the knob (4), and the mounting seat (6) is provided with a protrusion (72) at one side close to the limiting block (71). A plurality of limiting grooves (61) are provided on the side, and the limiting block (71) is located in the limiting groove (61) to limit the rotation of the knob (4), and the limiting shaft (7) is driven to move and the protrusion (72) and the limiting groove (61) are separated by pushing the knob (4) inward, so that the knob (4) can be rotated. At this time, rotating the knob (4) can drive the connecting shaft (5) and the gear (51) to rotate, thereby driving the heating element (3) to move, so that the wave depth can be adjusted and different curling effects can be achieved.

2. An adjustable hair curler according to claim 1, characterized in that: The mounting seat (6) is provided with a limiting plate (8) on a side close to the knob (4), and the limiting plate (8) is provided with a plurality of limiting grooves (81); a limiting member (9) is sleeved on the outer side of the limiting shaft (7), and the limiting member (9) is located between the knob (4) and the mounting seat (6) and rotates synchronously with the knob (4), and one end of the knob (4) is movably arranged in the limiting member (9); A movable limiting rod (91), a spring 1 (92) and a spring 2 (93) are arranged between the limiting member (9) and the knob (4), and the limiting rod (91) is located between the spring 1 (92) and the limiting member (9), and one end of the limiting rod (91) away from the spring 1 (92) passes through the limiting member (9) and is located in the limiting groove 2 (81) so as to limit the rotation of the limiting member (9), and the limiting member (9) is driven to rotate by rotating the knob (4) so ​​as to be forced to retract the limiting rod (91), so that the limiting rod (91) moves with the rotation of the limiting member (9) and cooperates with the other limiting groove 2 (81) under the action of the spring 1 (92).

3. An adjustable hair curler according to claim 2, characterized in that: The side wall of the limiting plate (8) is provided with a convex plate (82), and the mounting seat (6) is provided with a clamping groove (62) corresponding to the convex plate (82); Or / and, the mounting seat (6) is provided with a protrusion (63) on a side close to the limiting plate (8), and the limiting plate (8) is grooved corresponding to the protrusion (63); Or / and, the limiting member (9) is provided with a slide groove (94) at one end close to the knob (4) so ​​as to allow the knob (4) to move, and the inner wall of the slide groove (94) is provided with a convex strip (941), and the knob (4) is provided with a groove track (41) corresponding to the convex strip (941); Or / and, the stopper (9) is provided with a mounting groove (95), one end of the second spring (93) is located in the mounting groove (95), and the other end of the second spring (93) is in contact with the knob (4); Or / and, the limiting member (9) is provided with a mounting hole (96), and one end of the limiting rod (91) passes through the mounting hole (96) and is exposed, and one end of the spring (92) is sleeved on the other end of the limiting rod (91), and the other end of the spring (92) is in contact with the knob (4).

4. An adjustable hair curler according to claim 1, characterized in that: The knob (4) comprises a knob body (42) and a cover (43), and a connection groove (421) is provided at one end of the knob body (42), and a connection hole (422) communicating with the connection groove (421) is provided at the other end of the knob body (42), one end of the limit shaft (7) is located in the connection groove (421), and a fastener passes through the connection hole (422) and penetrates into the limit shaft (7), so that the limit shaft (7) is arranged on the knob body (42); Or / and, a connecting groove (421) is provided at one end of the knob (4), and a groove track (423) is provided on the inner wall of the connecting groove (421), and one end of the limiting shaft (7) is located in the connecting groove (421), and a convex strip (73) is provided on the limiting shaft (7) corresponding to the groove track (423).

5. An adjustable hair curler according to claim 4, characterized in that: The inner wall of the knob body (42) is provided with a protrusion (424), and the cover (43) is provided with a second slot (431) corresponding to the protrusion (424); Or / and, a buckle (425) is provided on the inner wall of the knob body (42), and a buckle hole (432) is provided on the cover (43) corresponding to the buckle (425).

6. An adjustable hair curler according to claim 1, characterized in that: The hair clamping plate 1 (1) is provided with a connecting seat (10), and the connecting seat (10) is provided with an assembly hole (101), and one end of the connecting shaft (5) away from the knob (4) passes through the assembly hole (101) to be exposed, and the connecting shaft (5) can move in the assembly hole (101).

7. An adjustable hair curler according to any one of claims 1 to 6, characterized in that: The heating element (3) comprises a heating body (32) and side plates (31) located on both sides of the heating body (32), and a groove (321) is provided at the bottom of the heating body (32), and the inner wall of the groove (321) is formed with the long teeth (33), and the side plates (31) are provided with a long hole (311) connected to the groove (321), and the connecting shaft (5) moves in the long hole (311).

8. An adjustable hair curler according to any one of claims 1 to 6, characterized in that: The hair clamping plate 1 (1) has a negative ion generator (13) and a negative ion emitter (14) built therein, and the hair clamping plate 1 (1) is provided with a hole (11) corresponding to the negative ion emitter (14) for exposing the negative ion emitter (14); Or / and, the first clamping plate (1) is provided with a movable push block (12), and the push block (12) is provided with a hook (121), and the second clamping plate (2) is provided with a clamping groove (22) corresponding to the hook (121), when the hook (121) is located in the clamping groove (22), the second clamping plate (2) is restricted from rotating, and the push block (12) is moved to drive the hook (121) to separate from the clamping groove (22), so that the second clamping plate (2) can be rotated.

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