CN216568799U

CN216568799U - Hair curling rod with clamping force of clamping pieces is adjusted

Info

Publication number: CN216568799U
Application number: CN202122831276.2U
Authority: CN
Inventors: 杨伟青; 方培松
Original assignee: Hangzhou Meiwu Technology Co ltd
Current assignee: Hangzhou Meiwu Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-24
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a curling iron with clamping force adjusting clamping pieces, which comprises a handle, a curling barrel connected with the handle and a clamping piece used for clamping hair by matching with the curling barrel, wherein the clamping piece is connected with a pressing mechanism, the pressing mechanism is rotationally connected with the handle, the bottom of the pressing mechanism is connected with an elastic mechanism, the pressing mechanism is arranged in the handle, and the pressing mechanism is provided with an amplifying mechanism which is abutted against the elastic mechanism and used for changing the compression amount of the elastic mechanism; the utility model has simple structure and ingenious design, and the amplification mechanism is arranged, so that the small adjustment amount obtains large compression amount, the compression size of the elastic mechanism is changed, the obtained clamping force is linear and is displayed by scales, and the user can set the proper force. When the clamping piece is used, a user can adjust the pressure of the clamping piece according to actual needs so as to meet the requirements of the user on the pressure of different clamping pieces and bring convenience to the user; and the experience degree is improved.

Description

Hair curling rod with clamping force of clamping pieces is adjusted

Technical Field

The utility model belongs to the technical field of hairdressing tools, and particularly relates to a hair curling rod with an adjustable clamping force.

Background

The hair curler on the existing market, conventional hair clip press aluminum pipe mechanism etc. the dynamics that the hair clip pressed aluminum pipe or clamping piece is fixed unadjusted, and consumer's hair quality, send out the volume and all have certain difference, after the consumer bought the product, if discover the hairpin to oneself pressure hair during curly hair, feel that the dynamics is too big or too little, all is unadjustable, uses just inconvenient: too loose, not tight hair compression, curly hair will fall out; too tight, the manual operation is very laborious. Especially if the consumer wants to use the curly hair stick to curl the hair, can rotate after the hair receives certain pulling force simultaneously, the dynamics of that hairpin must do to distinguish the fine setting according to different crowds.

In order to improve the prior art, long-term research has been conducted and various solutions have been proposed. For example:

1. chinese patent literature discloses a hairpin clamping structure of adjustable dynamics, including the clamping body, its characterized in that, the clamping body includes the clamping piece, is used for driving the clamping piece to accomplish the elastic construction of centre gripping action and is used for adjusting the pre-compaction subassembly of elastic construction pressure threshold value, and the pre-compaction subassembly links to each other with the elastic construction is adjustable, and the elastic construction links to each other with the clamping piece.

2. The Chinese patent document discloses a structure capable of adjusting the strength of a hair clip, which comprises a hair clip main body, an elastic piece, a mounting hole which penetrates through a handle and limits the elastic piece, and an adjusting device; elastic component one end connect the hairpin main part, the adjusting device that compressible elastic component adjusted the hairpin dynamics is connected to the other end.

3. Chinese patent document discloses a hair curler comprising a handle, a hair roller connected to the handle, and a clamping piece for clamping hair in cooperation with the hair roller, further comprising: the rocker is fixedly connected with the clamping piece and is rotationally connected with the handle; one end of the elastic piece is connected with the wane; and the pressing piece is movably connected with the handle and is used for applying pressure to one end of the elastic piece, which is far away from the rocker, and when the pressing piece moves relative to the handle, the deformation of the elastic piece is changed, so that the pressure of the clamping piece on the hair roller is changed.

When the force adjustment of the two patents with the

serial numbers

1 and 2 is from the minimum value to the maximum value, the force adjustment can be realized by rotating for a plurality of circles (about 9 circles), and the force adjustment has no scale display and is completely dependent on the feeling, so that the user experience is poor; the patent number 3 is a gear type, which is divided into 4 gears, and the obtained clamping force is stepped, so that the user experience is poor, and the use is inconvenient for the user.

In view of the above technical problems, it is desirable to improve the same.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a curling iron with an adjusting clamping piece clamping force, which has a simple structure and an ingenious design and is provided with an amplifying mechanism, so that a small adjusting amount can obtain a large compression amount, the compression size of an elastic mechanism is changed, and the obtained clamping force is linear.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a curling iron with clamping force of a clamping piece is adjusted, and comprises a handle, a curling barrel connected with the handle and a clamping piece used for clamping hair by matching with the curling barrel, wherein a pressing mechanism with an amplifying mechanism is arranged on the clamping piece; the pressing mechanism is rotationally connected with the handle, the bottom of the pressing mechanism is connected with the elastic mechanism, and the amplifying mechanism is abutted against the elastic mechanism and used for changing the compression amount of the elastic mechanism.

As a preferred scheme of the present invention, the amplifying mechanism includes an adjusting knob, a rotating screw is movably clamped at the bottom of the adjusting knob, an adapter is sleeved on the rotating screw, the adapter abuts against the adjusting lever, one end of the adjusting lever is rotatably connected to the pressing mechanism, and the other end of the adjusting lever is assembled on the elastic mechanism.

As a preferable scheme of the utility model, a limit groove is formed on the extension part at the rear end of the clamping piece, the rotating screw rod penetrates through the limit groove, and the adapter at the bottom of the rotating screw rod is abutted against the adjusting lever.

As a preferred scheme of the utility model, the adapter is provided with a limiting surface, and correspondingly, the adjusting lever is provided with a working surface for limiting the rotation of the limiting surface; the adjusting knob drives the rotary screw to be rotationally connected with the adapter, the adapter can only axially displace under the pushing of the rotary screw, and the adapter applies pressure to the elastic mechanism through the adjusting lever.

As a preferable scheme of the present invention, a V-shaped inclined surface is formed at the bottom of the adapter.

As a preferable aspect of the present invention, the elastic mechanism is a spring or a torsion spring.

As a preferable scheme of the present invention, the pressing mechanism includes a pressing body, an inner groove is formed on an inner side wall of the pressing body, a protrusion is formed at a bottom of the adjusting knob, the protrusion rotates in the inner groove, and a stopper for limiting circumferential movement of the protrusion is fixedly disposed in the pressing body.

As a preferred embodiment of the present invention, a locking mechanism is installed between the pressing body and the adjusting knob, a positioning groove is formed on the pressing body, and the locking mechanism is assembled in the positioning groove.

According to a preferable scheme of the utility model, the locking mechanism comprises a supporting plate, positioning pins are vertically and fixedly arranged on two sides of the bottom of the supporting plate, correspondingly, positioning holes matched with the positioning pins are distributed on the positioning holes, the positioning pins are inserted into the positioning holes, a first stop block is fixedly arranged in the middle of the top of the supporting plate, correspondingly, a plurality of mounting grooves matched with the first stop block are distributed on the bottom of the adjusting knob in the circumferential direction.

As a preferable scheme of the utility model, a knob dial is distributed on the top of the pressing body in the circumferential direction, and the knob dial and the adjusting knob are distributed correspondingly.

The utility model has the beneficial effects that: the utility model has simple structure and ingenious design, and the amplification mechanism is arranged, so that the small adjustment amount obtains large compression amount, the compression size of the elastic mechanism is changed, the obtained clamping force is linear and is displayed by scales, and the user can set the proper force. When the clamping piece is used, a user can adjust the pressure of the clamping piece according to actual needs so as to meet the requirements of the user on the pressure of different clamping pieces and bring convenience to the user; and the experience degree is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of a curling iron according to an embodiment of the utility model;

FIG. 3 is a schematic view illustrating a connection between a positioning member and a pressing mechanism and an elastic mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of an enlarged mechanism of an embodiment of the present invention;

FIG. 5 is an exploded partial view of an adjustment knob and pressing mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic view of the connection between the amplifying mechanism and the elastic mechanism according to the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a pressing mechanism according to an embodiment of the present invention;

FIG. 8 is an exploded view of the adapter and the adjustment lever according to the embodiment of the present invention;

reference numerals: the hair curler comprises a handle 1, a hair curler 2, a clamping piece 3, a positioning piece 4, an extending portion 5, a limiting groove 6, a V-shaped inclined surface 7, a limiting surface 8, a working surface 9, a pressing mechanism 10, a pressing body 11, an inner groove 12, a convex block 13, a limiting plate 14, a knob dial 15, a positioning groove 16, a stop block 17, a pressing plate 18, a through hole 19, an elastic mechanism 20, an amplifying mechanism 30, an adjusting knob 31, a rotating screw rod 32, an adapter 33, an adjusting lever 34, a convex connecting portion 35, a positioning portion 36, a convex handle 37, a limiting rod 38, a limiting groove 39, a locking point mechanism 40, a supporting plate 41, a positioning pin 42, a positioning hole 43, a first stop block 43-1 and a mounting groove 44.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-2, wherein fig. 1 is a schematic structural view of a curling iron according to an embodiment of the utility model; fig. 2 is an exploded view of the curling iron.

The embodiment discloses a curling iron with clamping force adjusting function, which comprises a handle 1, a hair roller 2 connected with the handle 1 and a clamping piece 3 matched with the hair roller 2 to clamp hair, wherein specifically, the handle 1 is connected with the hair roller 2, and the clamping piece 3 is matched with the hair roller 2 to clamp hair to realize hair curling.

The clamping piece 3 is provided with a pressing mechanism 10 with an amplifying mechanism 30, the pressing mechanism 10 is rotatably connected with the handle 1, the bottom of the pressing mechanism 10 is connected with an elastic mechanism 20, the pressing mechanism 10 is arranged in the handle 1, the pressing mechanism 10 can also be positioned outside the handle 1, and the amplifying mechanism 30 is abutted with the elastic mechanism 20 and used for changing the compression amount of the elastic mechanism 20.

Extension 5 is firmly equipped with to clamping piece 3 rear end, extension 5 passes through bolted connection with pressing mechanism 10's the body 11 of pressing, pressing mechanism 10 is last still to have laid clamp plate 18, clamp plate 18 with press body 11 fixed connection, integrated into one piece, whole pressing mechanism 10's structural strength and whole fastness have been improved, the safety in utilization of curly hair stick has further been guaranteed, wherein, pressing mechanism 10 rotates with handle 1 to be connected, pressing mechanism 10 bottom is connected with elastic mechanism 20, mechanism 30 of enlargeing is used for applying pressure to adjusting lever 34, so that elastic mechanism 20 is in compression state, therefore, under natural state, elastic mechanism 20 produces pressure to adjusting lever 34, and then make clamping piece 3 laminate and compress tightly on hair curler 2.

The utility model has simple structure and ingenious design, and the amplification mechanism is arranged, so that the small adjustment amount obtains large compression amount, the compression size of the elastic mechanism is changed, the obtained clamping force is linear and is displayed by scales, and the user can set the proper force. When the clamping piece is used, a user can adjust the pressure of the clamping piece according to actual needs so as to meet the requirements of the user on the pressure of different clamping pieces and bring convenience to the user; and the experience degree is improved.

A limiting groove 6 is formed on the extending part 5 at the rear end of the clamping piece 3, the rotating screw 32 passes through the limiting groove 6, the adapter 33 at the bottom of the rotating screw 32 is abutted against the adjusting lever 34, and the upper end of the rotating screw 32 is abutted against the extending part 5; by providing the limiting groove 6, both sides of the limiting groove 6 can be used as the rotation limitation of the adapter 33.

Fig. 3 is a schematic view showing the connection between the positioning member, the pressing mechanism and the elastic mechanism according to the embodiment of the present invention; FIG. 4 is a schematic view of an enlarged mechanism according to an embodiment of the present invention.

Specifically, the amplifying mechanism 30 includes an adjusting knob 31, a rotary screw 32 is movably clamped at the bottom of the adjusting knob 31, an adapter 33 is sleeved on the rotary screw 32, the adapter 33 abuts against an adjusting lever 34, one end of the adjusting lever 34 is rotatably connected to the pressing mechanism 10, and the other end of the adjusting lever is assembled on the elastic mechanism 20.

It can be understood that, when the amplifying mechanism 30 is adjusted, the rotation of the adjusting knob 31 drives the rotating screw 32 to move, so that the adaptor 33 abuts against the adjusting lever 34, and the adjusting lever 34 moves downward, and since one end of the adjusting lever 34 is rotatably connected to the positioning element 4 and the other end is rotatably matched with the elastic mechanism 20, the adjusting lever 34 amplifies the deformation amount of the compression elastic mechanism 20, so that the pressure of the pressing mechanism 10 on the elastic mechanism 20 is changed.

When the pressing plate 18 is pressed, the pressing plate 18 compresses the elastic mechanism 20 under the action of external force, at the moment, the rotating screw 32 and the adapter 33 drive the adjusting lever 34 to compress the deformation of the elastic mechanism 20, so that the clamping piece 3 is easily driven to open through the pressing plate 18, a certain angle is conveniently opened between the clamping piece 3 and the hair curling barrel 2, and the hair can be conveniently placed between the clamping piece 3 and the hair curling barrel 2 or loosened; when the pressing plate 18 is released, the external force acting on the pressing plate 18 disappears, the clamping piece 3 is driven to reset under the action of the elastic mechanism 20, and the clamping piece 3 is pressed on the hair roller 2 under the action of the pressure of the elastic mechanism 20 on the pressing plate 18.

The lever principle of the pressing plate 18 on the pressing mechanism 10 is utilized, and the clamping piece 3 and the elastic mechanism 20 are respectively positioned at two sides of the rotating shaft of the pressing plate 18; meanwhile, the lever principle of the adjusting lever 34 is also utilized, one end of the adjusting lever 34 is rotatably connected to the pressure receiving mechanism 10, the other end of the adjusting lever abuts against the elastic mechanism 20, and the positioning member 4 is connected between the hair roller 2 and the handle 1.

More importantly, the pressing mechanism 10 of the present invention is movably connected to the positioning member 4, and when the magnifying mechanism 30 moves relative to the handle 1, the deformation amount of the elastic mechanism 20 is changed, so as to change the pressure exerted by the elastic mechanism 20 on the pressing plate 18, and further change the pressure exerted by the clamping piece 3 on the hair roller 2.

Fig. 7 is a schematic structural view of a pressing mechanism according to an embodiment of the present invention; the pressing mechanism 10 comprises a pressing body 11, an inner side wall of the pressing body 11 is formed with an inner groove 12, and a bottom of the adjusting knob 31 is formed with a projection 13 matched with the inner groove 12.

Make adjust knob 31's rotation more nimble and convenient, simultaneously, inner groovy 12 and lug 13 mutually support, also make adjust knob 31 more stable and safe in the rotation of pressing on the body 11, that is to say, adjust knob 31 in this embodiment is the knob of locating protruding handle 37, through rotatory knob, the rotatory screw rod 32 motion of adjust knob 31 bottom, and then make adapter 33 support adjusting lever 34, adjusting lever 34 and elastic mechanism 20 contact, exert the power of giving elastic mechanism 20 through adjusting lever 34, realize the flexible change of elastic mechanism 20, change the deflection of elastic mechanism 20 and the pressure that elastic mechanism 20 produced pressing mechanism 10.

A limiting plate 14 is fixedly arranged in the middle of the pressing body 11, a through hole 19 is formed in the middle of the limiting plate 14, a protruding connecting portion 35 is fixedly arranged at the top of the rotating screw 32, a positioning portion 36 matched with the protruding connecting portion 35 is fixedly arranged at the bottom of the adjusting knob 31, and the positioning portion 36 extends into the through hole 19 and is matched and clamped with the protruding connecting portion 35; limiting rods 38 are formed on two sides of the convex connecting portion 35, limiting grooves 39 are formed on the positioning portions 36, and the limiting rods 38 are clamped in the limiting grooves 39.

Fig. 8 is an exploded view of the adaptor and the adjusting lever according to the embodiment of the present invention; the bottom of the adapter 33 is formed with a V-shaped bevel 7, and the V-shaped bevel 7 is provided here only for reducing the contact surface of the top end and improving the precision.

The adapter 33 is provided with a limiting surface 8, and correspondingly, the adjusting lever 34 is provided with a working surface 9 for limiting the rotation of the limiting surface 8; more specifically, in order to ensure that the working surface 9 and the limiting surface 8 are mutually attached, the stability of applying pressure to the elastic mechanism 20 is better, the limiting surfaces 8 are formed on two sides of the adapter seat 33, and the working surface 9 for limiting the rotation of the limiting surfaces 8 on two sides is formed on the adjusting lever 34; the adjusting knob 31 drives the rotating screw rod 32 to be rotationally connected with the adapter 33, the adapter 33 can only axially displace under the pushing of the rotating screw rod 32, the adjusting lever 34 limits the rotation of the adapter 33, and the adapter 33 applies pressure to the elastic mechanism 20 through the adjusting lever 34; the device is beneficial to precise amplification, so that a small adjustment amount obtains a large compression amount.

FIG. 5 is an exploded partial view of the adjustment knob and the pressing mechanism of the embodiment of the present invention; FIG. 6 is a schematic view of the connection between the amplifying mechanism and the elastic mechanism according to the embodiment of the present invention; a locking point mechanism 40 is arranged between the pressing body 11 and the adjusting knob 31, a positioning groove 16 is formed on the pressing body 11, the locking point mechanism 40 is assembled in the positioning groove 16, and the positioning groove 16 is positioned between the inner groove 12 and the limiting plate 14; specifically, the locking mechanism 40 includes a supporting plate 41, positioning pins 42 are vertically and fixedly arranged on two sides of the bottom of the supporting plate 41, correspondingly, positioning holes 43 matched with the positioning pins 42 are distributed on the positioning grooves 16, the positioning pins 42 are inserted into the positioning holes 43, a first stop block 43-1 is fixedly arranged in the middle of the top of the supporting plate 41, and correspondingly, a plurality of mounting grooves 44 matched with the first stop block 43-1 are circumferentially distributed on the bottom of the adjusting knob 31; it should be noted that the adjusting knob 31 can be circumferentially limited by a limiting structure between the adjusting knob 31 and the pressing mechanism 10, and the mounting groove 44 and the first stopper 43-1 are matched with each other, so that the adjusting knob 31 can be positioned at different circumferential positions, that is, the adjusting knob 31 has different gears, and the clip 3 has different determined pressures at different gears, so as to facilitate adjustment by a user.

The first stopper 43-1 is of a conical arc structure, so that the assembly efficiency of the first stopper 43-1 and the mounting groove 44 is improved, the mounting groove 44 is prevented from providing more resistance to the first stopper 43-1 during the rotation of the adjusting knob 31, and the adjustment flexibility is improved.

A stop block 17 for limiting the circumferential movement of the projection 13 is fixedly arranged in the pressing body 11, the stop block 17 is positioned at the joint of the inner groove 12 and the positioning groove 16, and a gap is reserved between the stop block 17 and the locking point mechanism 40.

It will be appreciated that the rotation travel of the adjustment knob 31 of the present embodiment on the pressing body 11 is limited, i.e. by providing the stop 17, the adjustment knob can perform a one-way limiting function during the movement of the protrusion 13 along the inner groove 12.

The top of the pressing body 11 is circumferentially provided with a knob dial 15, and the knob dial 15 and the adjusting knob 31 are correspondingly arranged; by setting the knob dial 15, the stroke trajectory after rotation and the compression amount of the elastic mechanism 20 can be known, and the user experience is good.

The specific structure of the elastic mechanism 20 is not limited in the present invention, and for example, the elastic mechanism 20 may preferably be a spring.

In consideration of the stability of the pressing mechanism 10 and the adjusting lever 34 applying pressure to the elastic mechanism 20, that is, in the embodiment, one end of the elastic mechanism 20 is connected to the pressing mechanism 10 and the adjusting lever 34, the other end is located in the handle 1, a groove for accommodating the elastic mechanism 20 is provided in the handle 1, the bottom of the elastic mechanism 20 abuts against the bottom of the groove, and the groove wall of the groove performs a limiting and guiding function on the end of the elastic mechanism 20, so as to prevent the elastic mechanism 20 from being skewed and the like.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the handle 1, the hair roller 2, the clip 3, the positioning member 4, the extending portion 5, the limiting groove 6, the V-shaped inclined surface 7, the limiting surface 8, the working surface 9, the pressing mechanism 10, the pressing body 11, the inner groove 12, the protrusion 13, the limiting plate 14, the knob dial 15, the positioning groove 16, the stopper 17, the pressing plate 18, the through hole 19, the elastic mechanism 20, the amplifying mechanism 30, the adjusting knob 31, the rotating screw 32, the adapter 33, the adjusting lever 34, the protruding connecting portion 35, the positioning portion 36, the protruding handle 37, the limiting rod 38, the limiting groove 39, the locking mechanism 40, the supporting plate 41, the positioning pin 42, the positioning hole 43, the first stopper 43-1, the mounting groove 44 and other terms are not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a curly hair stick with adjust clamping piece clamping-force which characterized in that: comprises a handle (1), a hair roller (2) connected with the handle (1) and a clamping piece (3) used for clamping hair by matching with the hair roller (2), wherein a pressing mechanism (10) with an amplifying mechanism (30) is arranged on the clamping piece (3); the pressing mechanism (10) is rotatably connected with the handle (1), the bottom of the pressing mechanism (10) is connected with the elastic mechanism (20), and the amplifying mechanism (30) is abutted against the elastic mechanism (20) and used for changing the compression amount of the elastic mechanism (20).

2. A curling iron with adjustable jaw grip according to claim 1, wherein: the amplifying mechanism (30) comprises an adjusting knob (31), a rotating screw rod (32) is movably clamped at the bottom of the adjusting knob (31), an adapter (33) is sleeved on the rotating screw rod (32), the adapter (33) abuts against an adjusting lever (34), one end of the adjusting lever (34) is rotated to be connected with the pressing mechanism (10), and the other end of the adjusting lever is assembled on the elastic mechanism (20).

3. A curling iron with adjustable jaw clamping force according to claim 2, wherein: a limiting groove (6) is formed in the extending portion (5) at the rear end of the clamping piece (3), the rotating screw rod (32) penetrates through the limiting groove (6), and the adapter (33) at the bottom of the rotating screw rod (32) abuts against the adjusting lever (34).

4. A curling iron with adjustable jaw clamping force according to claim 3, wherein: the adapter (33) is provided with a limiting surface (8), and correspondingly, the adjusting lever (34) is provided with a working surface (9) for limiting the rotation of the limiting surface (8); the adjusting knob (31) drives the rotating screw rod (32) to be rotationally connected with the adapter (33), the adapter (33) can only axially displace under the pushing of the rotating screw rod (32), and the adapter (33) applies pressure to the elastic mechanism (20) through the adjusting lever (34).

5. A curling iron with adjustable jaw clamping force according to claim 4, wherein: the bottom of the adapter (33) is provided with a V-shaped inclined plane (7).

6. A curling iron with adjustable jaw clamping force according to claim 4, wherein: the elastic mechanism (20) is a spring or a torsion spring.

7. A curling iron with adjustable jaw clamping force according to claim 1, wherein: the pressing mechanism (10) comprises a pressing body (11), an inner groove (12) is formed in the inner side wall of the pressing body (11), a convex block (13) is formed at the bottom of an adjusting knob (31), the convex block (13) rotates in the inner groove (12), and a stop block (17) used for limiting the circumferential movement of the convex block (13) is fixedly arranged in the pressing body (11).

8. A curling iron with adjustable jaw clamping force according to claim 7, wherein: install lock point mechanism (40) between pressing body (11) and adjust knob (31), be formed with constant head tank (16) on pressing body (11), lock point mechanism (40) assembles in constant head tank (16).

9. A curling iron with adjustable jaw clamping force according to claim 8, wherein: the locking mechanism (40) comprises a supporting plate (41), positioning pins (42) are vertically and fixedly arranged on two sides of the bottom of the supporting plate (41), correspondingly, positioning holes (43) matched with the positioning pins (42) are formed in the positioning grooves (16), the positioning pins (42) are inserted into the positioning holes (43), a first stop block (43-1) is fixedly arranged in the middle of the top of the supporting plate (41), and correspondingly, a plurality of mounting grooves (44) matched with the first stop block (43-1) are circumferentially formed in the bottom of the adjusting knob (31).

10. A curling iron with adjustable jaw grip according to claim 9, wherein: the top of the pressing body (11) is circumferentially provided with a knob dial (15), and the knob dial (15) and the adjusting knob (31) are correspondingly arranged.