CN213310715U

CN213310715U - Angle adjuster and adjustable neck brace

Info

Publication number: CN213310715U
Application number: CN202021451608.3U
Authority: CN
Inventors: 金鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-06-01
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an angle adjuster and adjustable neck brace, including two angle adjuster, lower jaw die-pin and chest die-pin are connected with angle adjuster's accent commentaries on classics piece and bracket respectively, rotation between angle adjuster control lower jaw die-pin and chest die-pin. The angle adjuster comprises a bracket, a turning piece, a cover plate and a latch, wherein the turning piece is installed with the cover plate clamping bracket and the latch, the head of the center of the turning piece is extended out of the latch in a pressing mode, the annular teeth of the teeth are separated from the annular teeth of the turning piece, the turning piece is rotated to adjust, the latch is loosened, and the spring restores the embedded latch to be fixed to the annular teeth of the turning piece. Compared with the prior art, the utility model has the advantages of lie in pressing down the latch of angle regulator, bracket restriction latch rotates, and it is rotatory that transfer piece drives the lower jaw die-pin, loosens the latch, and the annular tooth that the spring resumes the latch again with the annular tooth gomphosis of transfer piece, through annular tooth turned angle adjustable, easy operation and stability are good.

Description

Angle adjuster and adjustable neck brace

Technical Field

The utility model belongs to health care physiotherapy utensil field relates to the neck brace, especially relates to angle adjuster and adjustable neck brace.

Background

The neck support is an auxiliary therapeutic apparatus for cervical spondylosis, can brake and protect the cervical vertebra, reduce the abrasion of nerves, relieve traumatic reaction of intervertebral joints, and is beneficial to the regression and consolidation of tissue edema and the effects of curative effect and prevention of recurrence.

Most of the existing neck supports are complex in structure and heavy to wear; part neck brace simple structure wears lightly, but the adjustment mechanism between upper and lower connecting piece easily produces not hard up, easily causes the potential safety hazard, or upper and lower connecting piece between the angle modulation uncontrollable, cause the neck brace distortion easily, produce uncomfortable and the neck brace damages easily when wearing.

The portable neck brace of knob regulation formula of authorized bulletin number CN105708594A is fixed through bolted connection between the upper and lower connecting piece of neck brace, and bolt outside end is equipped with adjust knob, and the bolt regulation troublesome poeration that need unscrew when adjusting between the upper and lower connecting piece of neck brace, and wear time a long upper and lower connecting piece appears becoming flexible easily, easily causes the potential safety hazard.

The portable neck brace of a screw rod regulation formula of grant notice No. CN105708598A takes adjusting bolt to be located between upper and lower connecting piece, rotates adjusting bolt and can adjust the relative angle between upper and lower connecting piece, adjusts easy operation, but the turned angle of upper and lower connecting piece both sides is uncontrollable, causes the neck brace distortion easily, produces uncomfortable and the neck brace is damaged easily when wearing.

Therefore, the neck support which is simple in adjustment operation, controllable in adjustment variable, good in stability and convenient to wear needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an angle adjuster and an adjustable neck brace are provided, which are simple in adjusting operation, controllable in adjusting variable, good in stability and portable in wearing.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the angle regulator is characterized by comprising a bracket, a turning part, a cover plate and a latch, wherein the turning part and the cover plate are clamped by the bracket and the latch, a spring is arranged between the latch and the bracket, the bracket limits the latch to rotate, the head of the spring supporting latch extends out of a central hole of the turning part, annular teeth arranged on the latch and annular teeth of the turning part are mutually embedded, the latch limits the turning part to rotate, the head of the latch is pressed, the spring is stressed to retract, the annular teeth of the latch are separated from the annular teeth of the turning part, the turning part is rotated to be regulated, the latch is loosened, and the elastic potential energy of the spring is recovered to be embedded into the annular teeth of the turning part and fixed.

Furthermore, the bracket is provided with a disc, a clamping groove is formed in the plane of the outer side of the disc, at least one limiting portion is arranged in the clamping groove, the clamping teeth are arranged in the clamping groove, and a lug or a groove formed in the clamping teeth is matched with the limiting portion of the clamping groove to limit the rotation of the clamping teeth.

Furthermore, the turning piece is provided with a rotating disc, the rotating disc is hollow, a through center hole is formed in the center of the rotating disc, annular teeth are arranged in the rotating disc and are distributed concentrically with the center hole, the turning piece is installed on the outer side plane of the bracket, the head of each clamping tooth extends out of the center hole from the rotating disc, and the annular teeth arranged on the clamping teeth are installed in a manner of being embedded with the annular teeth of the turning piece.

Furthermore, the plane of the inner side of the disc of the bracket is provided with a convex shaft, the convex shaft is coaxial with the center of the disc, the cover plate is in a circular ring shape, the center of the cover plate is provided with a rotary hole, and the rotary hole of the cover plate is inserted and sleeved on the convex shaft of the plane of the inner side of the disc.

Furthermore, the disc of the bracket is provided with an arc-shaped groove which penetrates in the radial direction, the arc-shaped groove is at least provided with two positions, and the axis of the arc-shaped groove is coaxial with the center of the disc.

Furthermore, transfer piece and cover plate clamping bracket and latch installation, the connecting portion of transfer piece and cover plate is located the arc wall, and the arc wall restriction transfers a rotation angle.

Further, the bracket lower extreme is equipped with the arc pole of outside extension, and the bracket rear is equipped with connecting portion, transfer the piece and be equipped with the connecting rod, the connecting rod sets up with transferring the carousel tangent of piece.

The utility model discloses a another theme, adjustable neck brace, a serial communication port, including foretell angle regulator to and the chest of connecting angle regulator supports cover and lower jaw cover, angle regulator is equipped with a pair ofly, and angle regulator's cover plate locates the inboard setting of neck brace, the chest supports the arc pole that the both ends of cover were equipped with chest bracket connection bracket, the lower jaw cover is equipped with two and wears the cover on two lower jaw die-pins, the connecting rod of transferring piece is connected to the lower jaw die-pin, two angle regulator's cover plate is pasted in the neck, and the connecting portion connecting strip of two angle regulator, the relative angle between angle regulator control lower jaw die-pin and chest die-pin.

Furthermore, a mandible support rod sleeved with a mandible sleeve supports the mandible of a user, a chest support sleeve connected with the chest support rod is pressed on the chest of the user, a bracket arc-shaped rod connected with the chest support rod is attached to the neck shoulder, and an elastic rod body is used for the mandible support rod and the chest support rod and is used for adjusting the tension between the two angle adjusters.

Further, the strap contacts with the neck, and a banding elastic component is taken to the strap, or the strap includes two area bodies, and two area bodies are connected respectively at the connecting portion of two angle regulators, connect through the magic subsides between two area bodies.

Compared with the prior art, the utility model has the advantages of lie in pressing down the latch of angle regulator, bracket restriction latch rotates, and it is rotatory that transfer piece drives the lower jaw die-pin, loosens the latch, and the annular tooth that the spring resumes the latch again with the annular tooth gomphosis of transfer piece, through annular tooth turned angle adjustable, easy operation and stability are good.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention, and further that, unless otherwise indicated, the drawings are only schematic in conceptually illustrating the composition or construction of the objects described and may contain exaggerated displays, and that the drawings are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a neck brace;

FIG. 2 is a schematic view of the angle adjuster;

FIG. 3 is an exploded view of the angle adjuster;

FIG. 4 is one of the schematic structural views of the bracket;

FIG. 5 is a second schematic structural view of the bracket;

FIG. 6 is a schematic structural view of the turning member;

FIG. 7 is a second schematic structural view of the turning member;

FIG. 8 is a cross-sectional view of the cover plate;

FIG. 9 is a schematic view of the latch;

FIG. 10 is a cross-sectional view of the latch;

FIG. 11 is a schematic view of the neck brace adjustment;

fig. 12 is a sectional view showing a state of an angle adjuster member at the time of adjustment.

In the figure: 1. the device comprises a bracket, 1-1 parts, a disc, 1-1-1 parts, a clamping groove, 1-1-11 parts, a limiting part, 1-1-12 parts, a limiting pin, 1-1-2 parts, an arc-shaped groove, 1-1-3 parts, a convex shaft, 1-1-4 parts, a wrapping ring, 1-2 parts, an arc-shaped rod, 1-3 parts and a connecting part; 2. the rotary table comprises a turning piece, 2-1 parts, a rotary table, 2-1-1 parts, a central hole, 2-1-2 parts, inner annular teeth, 2-1-3 parts, a cavity, 2-1-4 parts, a connecting hole, 2-2 parts and a connecting rod; 3. 3-1 parts of a cover plate, 3-2 parts of a rotary hole and 3-2 parts of a mounting hole; 4. 4-1 of a latch, 4-2 of a pressing part, 4-3 of an outer annular tooth, 4-3 of a bottom frame, 4-3-1 of a stepped hole, 4-4 of a matching part; 5. a spring; 6. a lower jaw supporting rod; 7. a lower jaw sleeve; 8. a chest support rod; 9. the chest is supported and sleeved; 10. a strip.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and those skilled in the art will appreciate that these descriptions are illustrative only, exemplary and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

This embodiment mainly explains adjusting easy operation, the adjustable variable is controllable, stability is good and wear portable angle regulator and adjustable neck brace, specifically as follows:

as shown in figure 1, the adjustable neck brace comprises two angle regulators, a chest supporting sleeve 9 and a lower jaw sleeve 7 which are connected with the angle regulators, the two angle regulators are respectively connected with a lower jaw supporting rod 6 sleeved with the lower jaw sleeve 7, a chest supporting rod 8 and a belt strip 10 at two ends of the chest supporting sleeve 9, the lower jaw supporting rod 6, the chest supporting rod 8 and the belt strip 10 are arranged on the two angle regulators and are positioned between the two angle regulators, and the angle regulators, the lower jaw supporting rod 6, the chest supporting rod 8 and the belt strip 10 form a hollow frame.

The chest support sleeve 9 acts on the chest of a user, the mandible support rod 6 sleeved with the mandible sleeve 7 is used for supporting the mandible of the user, the two angle regulators are clamped at the two sides of the neck and erected on the neck shoulder, the angle regulators control the mandible support rod 6 to rotate relative to the chest support rod 8, the rotation angle is regulated, and the mandible support rod 6 and the chest support rod 8 are fixed in a limiting mode.

Preferably, the lower jaw sleeve 7 and the lower jaw supporting rod 6 are respectively provided with two pieces, the lower jaw sleeve 7 is sleeved on the lower jaw supporting rod 6 in a penetrating way, the two lower jaw supporting rods 6 are respectively connected with two angle regulators, and the two lower jaw sleeves 7 are arranged relatively close to each other.

The mandible support rod 6 and the chest support rod 8 are elastic rod bodies which are used for adjusting the tension between the two angle adjusters.

The two ends of the chest supporting sleeve 9 are provided with chest supporting rods 8, and the chest supporting sleeve 9 and the chest supporting rods 8 are in a V-shaped structure.

A strap 10 is arranged between the two angle adjusters, the strap 10 is sleeved on the neck of a user, and a strip-shaped elastic strip is taken as the strap 10; or the belt 10 comprises two belt bodies which are respectively connected on two angle regulators, the two belt bodies are connected through a magic tape, when in use, the angle regulators are only needed to be clamped at two sides of a neck, and the belt is erected on the neck shoulder, the chest supporting sleeve 9 is supported against the chest of a user, the mandible support rod 6 sleeved with the mandible sleeve 7 is supported at the mandible of the user, the belt 10 is sleeved at the neck or is attached to the rear part of the neck for connection, the wearing is convenient, the angle regulators are adjusted, the relative angle between the mandible support rod 6 and the chest support rod 8 is controlled, and the comfort level of the user is improved.

For the reinforcing travelling comfort, the angle regulator takes rigid plastic or rubber material, and the surface is softened dull polish and is handled, also can be at the good cloth of travelling comfort such as angle regulator outsourcing cover cotton.

As shown in fig. 2-3, the angle adjuster comprises a bracket 1, a turning part 2, a cover plate 3 and a latch 4, wherein the turning part 2 and the cover plate 3 are clamped with the bracket 1 and the latch 4, two screws are used for fixedly connecting the turning part 2 and the cover plate 3, a spring 5 is arranged between the latch 4 and the bracket 1, the bracket 1 limits the latch 4 to rotate, the spring 5 supports the latch 4 to be inserted in a central hole 2-1-1 of the turning part 2, and the latch 4 limits the turning part 2 to rotate.

The bracket 1, the turning piece 2, the cover plate 3 and the latch 4 are all integrally formed.

As shown in fig. 4-5, a disc 1-1 is arranged on a bracket 1, a convex clamping groove 1-1-1 is arranged on the outer side plane of the disc 1-1, the clamping groove 1-1-1 is positioned at the central position of the disc 1-1, the clamping groove 1-1-1 is a cylindrical groove, at least one limiting part 1-1-11 is arranged on the side surface of the clamping groove 1-1-1, the limiting part 1-1-11 is convex or concave in the clamping groove 1-1-1, an axial limiting pin 1-1-12 is arranged on the end surface of the clamping groove 1-1-1, the limiting pin 1-1-12 is positioned at the central position of the clamping groove 1-1-1, at least two arc-shaped grooves 1-1-2 which axially penetrate through are arranged on the disc 1-1, the axis of the arc-shaped groove 1-1-2 is coaxial with the axis of the disc 1-1.

The inner side surface of a disc 1-1 of the bracket 1 is provided with a convex shaft 1-1-3, the inner side surface is provided with a covering ring 1-1-4 or a boss, the convex shaft 1-1-3 and a penetrating arc-shaped groove 1-1-2 are positioned in the covering ring 1-1-4 or the boss, the end surface of the convex shaft 1-1-3 is higher than the covering ring 1-1-4 or the boss, and the centers of the covering ring 1-1-4 or the boss and the convex shaft 1-1-3 are concentrically distributed with the disc 1-1.

The lower end of the bracket 1 is provided with an arc-shaped rod 1-2 extending outwards, a connecting part 1-3 is arranged behind the bracket 1, the connecting part 1-3 is a cylinder structure with a gap between the side edge and the bracket 1, and the upper end and the lower end of the connecting part 1-3 are connected with the bracket 1.

As shown in fig. 6-7, a rotating disc 2-1 is arranged on the rotation adjusting piece 2, a chamber 2-1-3 with an inward opening is arranged on the inner side of the rotating disc 2-1, a center hole 2-1-1 is arranged at the center of the rotating disc 2-1 of the rotation adjusting piece 2, an inner annular tooth 2-1-2 is arranged on the end surface of the chamber 2-1-3, the inner annular tooth 2-1-2 is arranged on the end surface of the chamber 2-1-3 in an inward concave manner, and the inner annular tooth 2-1-2 is embedded in the center hole 2-1-1, namely, the inner diameter of the inner annular tooth 2-1-2 is smaller than or equal to the diameter of the center hole 2-1-1, the inner annular tooth 2-1-2 is not exposed when viewed from the outer side surface of the rotation adjusting piece 2, at least two connecting holes 2-1-4 are arranged in the, the connecting holes 2-1-4 are threaded holes or self-tapping threaded holes, the turning piece 2 is provided with a connecting rod 2-2, and the connecting rod 2-2 is arranged in a tangent mode with the rotary table 2-1 of the turning piece 2.

As shown in figure 8, the cover plate 3 is circular, the center of the cover plate 3 is provided with a rotary hole 3-1, and the inner side of the cover plate 3 is provided with at least two mounting holes 3-2.

As shown in fig. 9-10, the latch 4 includes a bottom frame 4-3, an outer annular tooth 4-2 and a pressing portion 4-1, the outer annular tooth 4-2 is disposed on the bottom frame 4-3, the outer annular tooth 4-2 is arranged around the pressing portion 4-1, an end surface of the pressing portion 4-1 is higher than an end surface of the outer annular tooth 4-2, a stepped hole 4-3-1 is disposed in an end surface of the bottom frame 4-3 of the latch 4, a matching portion 4-4 is disposed on a side edge of the bottom frame 4-3 of the latch 4, and the matching portion 4-4 is a lug or a groove structure.

Installing an angle regulator, placing a spring 5 in a slot 1-1-1 of a disc 1-1 of a bracket 1, sleeving the spring 5 on a limiting pin 1-1-12 in the slot 1-1-1 in a penetrating manner, placing a latch 4 in the slot 1-1-1, pressing the spring 5 in a stepped hole 4-3-1 of the end face of the slot 1-1-1 and the chassis 4-3 of the latch 4, positioning the chassis 4-3 of the latch 4 in the slot 1-1-1, and matching part 4-4 of the latch 4 and a limiting part 1-1-11 in the slot 1-1-1 to be matched to limit axial rotation of the latch 4.

The turning part 2 is arranged on the outer side plane of the disc 1-1 of the bracket 1, a cavity 2-1-3 in the rotary disc 2-1 of the turning part 2 is pressed on the latch 4, the spring 5 supports the latch 4, the inner annular tooth 2-1-2 in the cavity 2-1-3 of the rotary disc 2-1 of the turning part 2 is embedded with the outer annular tooth 4-2 on the underframe 4-3 of the latch 4, the pressing part 4-1 arranged at the head part of the latch 4 penetrates through the central hole 2-1-1 of the rotary disc 2-1 of the turning part 2, the pressing part 4-1 of the latch 4 is partially exposed outside the rotary disc 2-1 of the turning part 2, and the latch 4 limits the turning part 2 to axially rotate around the central hole 2-1-1, and the connecting hole 2-1-4 in the rotating disc 2-1 of the turning piece 2 is positioned in the arc-shaped groove 1-1-2 of the disc 1-1 of the bracket 1.

The method comprises the steps of placing a cover plate 3 on the inner side surface of a disc 1-1 of a bracket 1, enabling the cover plate 3 to be located in a wrapping ring 1-1-4 or a boss on the inner side surface of the disc 1-1 of the bracket 1, enabling a rotary hole 3-1 of the cover plate 3 to penetrate through a convex shaft 1-1-3 on the inner side surface of the disc 1-1 of the bracket 1, enabling a mounting hole 3-2 of the cover plate 3 to be concentrically aligned with a connecting hole 2-1-4 of a turning piece 2, enabling a screw to be used for screwing in and mounting, and enabling the mounting hole 3-2 of the cover plate 3 to be a countersunk hole or a tapered hole in order to prevent a nut end of the screw.

After the angle regulator is installed, the arc-shaped rod 1-2 of the bracket 1 and the connecting rod 2-2 of the turning part 2 face towards the same side, in order to enhance comfort and attractiveness, the end face of the cover plate 3 is flush with the inner side plane of the bracket 1, the outer side end face of the turning part 2, namely the rotary disc 2-1, is flush with the outer side end face of the bracket 1, and the corners are in fillet transition.

Angle adjuster is applied to the neck brace, and angle adjuster is equipped with two, and two angle adjuster are the mirror image and distribute, and angle adjuster's cover plate 3 is relative, and cover plate 3 is located the neck brace inboard.

A lower jaw supporting rod 6 of the neck support is connected on a connecting rod 2-2 of an angle regulator turning piece 2, a chest supporting rod 8 is connected with an arc-shaped rod 1-2 of an angle regulator bracket 1, and a belt strip 10 of the neck support is connected on a connecting part 1-3 of the angle regulator bracket 1.

The connection between the lower jaw supporting rod 6 and the connecting rod 2-2 of the turning part 2 and the connection between the chest supporting rod 8 and the arc-shaped rod 1-2 of the bracket 1 are respectively inserted and sleeved in the holes of the connecting rod 2-2 of the turning part 2 and the arc-shaped rod 1-2 of the bracket 1 through the lower jaw supporting rod 6 and the chest supporting rod 8, and preferably, glue is injected, coagulated and fixed.

When the adjustable neck brace is worn, the cover plate 3 of the angle regulator is pasted on two sides of a neck, the arc-shaped rods 1-2 of the angle regulator bracket 1 are erected on neck shoulders, the arc-shaped rods 1-2 are of arc-shaped structures and are bent and pasted on the neck shoulders of a user, and the wearing comfort is improved.

As shown in figures 11-12, the angle between the lower jaw supporting rod 6 of the neck support and the breast supporting rod 8 is adjusted, the pressing part 4-1 of the latch 4 exposed outside the rotating member 2 is pressed, the spring 5 is axially extruded by the latch 4 under force, the outer annular tooth 4-2 of the latch 4 is separated from the inner annular tooth 2-1-2 in the cavity 2-1-3 of the rotating member 2-1, the rotating member 2 is rotated, the rotating member 2 drives the cover plate 3 and the lower jaw supporting rod 6 connected with the connecting rod 2-2 of the rotating member 2 to rotate and adjust to a comfortable angle, the rotating angle range of the rotating member 2 is limited by the arc-shaped groove 1-1-2 of the disk 1-1 of the bracket 1, the latch 4 is released, the elastic potential energy of the spring 5 restores the latch 4, the outer annular tooth 4-2 of the latch 4 is re-engaged with the inner annular tooth 2-1-2 in the cavity 2-1-3 of the rotating member 2-1, and the rotating member 2-1 is rotated The rotation of the turning member 2 is restricted.

In order to control the rotation angle, a locus mark can be set on the end face of the pressing part 4-1 of the latch 4 or the end face of the outer side of the bracket 1, and an annular graduated scale mark is set on the end face of the outer side of the rotary disc 2-1 of the turning member 2, so that when a user wears the rotary table, the user can observe the rotation of the graduated scale on the rotary disc 2-1, the relative change of the graduated scale on the rotary disc 2-1 to the positioning point and accurately adjust the rotation angle.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is to the utility model provides an angle adjuster and adjustable neck brace have carried out detailed introduction, and it is right to have used specific individual example in this paper the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment is only used for helping to understand the utility model discloses and core thought should point out, to the ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also be right the utility model discloses can also carry out a plurality of improvements and embellishments, these improvements and embellishments also fall into the protection scope of the utility model claims.

Claims

1. The angle regulator is characterized by comprising a bracket, a turning part, a cover plate and a latch, wherein the turning part and the cover plate are clamped by the bracket and the latch, a spring is arranged between the latch and the bracket, the bracket limits the latch to rotate, the head of the spring supporting latch extends out of a central hole of the turning part, annular teeth arranged on the latch and annular teeth of the turning part are mutually embedded, the latch limits the turning part to rotate, the head of the latch is pressed, the spring is stressed to retract, the annular teeth of the latch are separated from the annular teeth of the turning part, the turning part is rotated to be regulated, the latch is loosened, and the elastic potential energy of the spring is recovered to be embedded into the annular teeth of the turning part and fixed.

2. The angle adjuster according to claim 1, wherein the bracket has a disk, a slot is formed on an outer surface of the disk, at least one position-limiting portion is formed in the slot, the latch is formed in the slot, and a protrusion or a groove formed in the latch is fitted to the position-limiting portion of the slot to limit rotation of the latch.

3. The angle adjuster according to claim 1, wherein the rotation adjusting member is provided with a rotating disc which is hollow, a center hole is formed in the center of the rotating disc, an annular tooth is arranged in the rotating disc, the annular tooth and the center hole are concentrically distributed, the rotation adjusting member is arranged on the outer side plane of the bracket, the head of the latch extends out of the center hole from the rotating disc, and the annular tooth arranged on the latch is embedded with the annular tooth of the rotation adjusting member.

4. The angle regulator of claim 2, wherein the inner plane of the disc of the bracket is provided with a protruding shaft, the protruding shaft is coaxial with the center of the disc, the cover plate is circular, the center of the cover plate is provided with a rotating hole, and the rotating hole of the cover plate is inserted and sleeved on the protruding shaft of the inner plane of the disc.

5. The angle adjuster according to claim 2, wherein the disk of the bracket is provided with at least two radially extending arc-shaped slots, and the axis of the arc-shaped slot is coaxial with the center of the disk.

6. The angle regulator of claim 5, wherein the rotation member is mounted with the lid clamping bracket and the latch, and the connecting portion of the rotation member and the lid is located in an arc-shaped slot that limits the rotation angle of the rotation member.

7. The angle adjuster according to claim 3, wherein the bracket is provided at a lower end thereof with an arc-shaped rod extending outward, and a connecting portion is provided at a rear of the bracket, and the turning member is provided with a connecting rod which is tangentially arranged to a turn plate of the turning member.

8. An adjustable neck brace, characterized in that, includes the angle regulator of any one of the above claims 1-7, and the chest support sleeve and the lower jaw sleeve which are connected with the angle regulator, the angle regulator is provided with a pair, and the cover plate of the angle regulator is arranged at the inner side of the neck brace, the two ends of the chest support sleeve are provided with arc-shaped rods of the chest bracket connecting bracket, the lower jaw sleeve is provided with two pieces and is penetrated and sleeved on the two lower jaw support rods, the lower jaw support rods are connected with the connecting rods of the turning piece, the cover plates of the two angle regulators are pasted on the neck, the connecting parts of the two angle regulators are connected with the belt strips, and the angle regulator controls the relative angle between the lower jaw support rods and the chest support rods.

9. The adjustable neck brace according to claim 8, wherein the chin bar fitted with the chin cup rests the chin of the user, the chest cup connected to the chest bar is pressed against the chest of the user, and the arc bar of the bracket connected to the chest bar is attached to the neck shoulder, the chin bar and the chest bar taking the form of elastic bars for tension adjustment between the two angle adjusters.

10. The adjustable neck brace according to claim 8, wherein the strap is in contact with the neck, the strap is an elastic strip, or the strap comprises two strap bodies, the two strap bodies are respectively connected to the connecting portions of the two angle adjusters, and the two strap bodies are connected by a hook and loop fastener.