CN212547303U

CN212547303U - Shoulder abduction double-freedom-degree brace

Info

Publication number: CN212547303U
Application number: CN202020630405.4U
Authority: CN
Inventors: 杨超; 葛海军
Original assignee: Hefei Ruixin Rehabilitation Equipment Co ltd
Current assignee: Hefei Ruixin Rehabilitation Equipment Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-19
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a shoulder abduction two-degree-of-freedom brace relates to the technical field of medical treatment rehabilitation brace, it is including the truck fixed establishment who connects in order, big arm supporting mechanism, forearm supporting mechanism and hand layer board, be equipped with elbow joint guiding mechanism between big arm supporting mechanism and the forearm supporting mechanism, elbow joint guiding mechanism is including the upset adjusting part and bend and stretch the adjusting part, the upset adjusting part includes retainer plate one, retainer plate two reaches and locating pin one, it includes the rolling disc to bend and stretch the adjusting part, spacing dish one and spacing dish two, be formed with the storage tank of being convenient for place the rolling disc between spacing dish one and the spacing dish two, all seted up locating hole one on spacing dish one and the spacing dish two, set up locating hole two on the rolling disc, two locating holes one and with locating hole one coaxial setting's locating hole two go up common threaded connection locating pin two. The utility model discloses have forearm layer board and can overturn from top to bottom and the level is bent and is stretched two kinds of degrees of freedom's regulation.

Description

Shoulder abduction double-freedom-degree brace

Technical Field

The utility model relates to a technical field of medical treatment rehabilitation brace especially relates to a shoulder abduction two-degree-of-freedom brace.

Background

After shoulder operations such as artificial shoulder joint replacement, humerus surgical neck fracture, rotator cuff repair, habitual shoulder joint dislocation repair and the like, short-term fixation is usually required, and the abduction and rotation neutral position of the shoulder joint is kept; meanwhile, when bones inside shoulders of people are injured, the bones cannot normally move or lift arms due to severe pain, but when the arms droop, the injuries inside the shoulders are recovered slowly, and generally when a patient is treated, an abduction brace is needed to unfold and support the arms of the patient so as to shorten the recovery time of the patient and enable the patient to recover health early; shoulder abduction braces are important in the rehabilitation process of patients.

The conventional shoulder abduction brace is shown in fig. 1, and comprises a trunk fixing mechanism 1, a big arm supporting mechanism 2, a forearm supporting mechanism 3 and a hand support plate 4 which are connected in sequence, wherein the trunk fixing mechanism 1 comprises a waist fixing plate 11, a chest fixing plate 12 and a connecting rod 14 for connecting the waist fixing plate 11 and the chest fixing plate 12; the large arm supporting mechanism 2 comprises a first supporting piece 23 hinged with the connecting rod 14 and a large arm supporting plate 22 fixed on the first supporting piece 23, the first supporting piece 23 comprises a first fixing rod 231 fixedly connected with the large arm supporting plate 22 and hinged with the top end of the connecting rod 14 and a first adjusting rod 24 connected with the first fixing rod 231 in a sliding mode, a first screw hole is formed in the end portion, away from the connecting rod 14, of the first fixing rod 231, a plurality of second screw holes 241 uniformly distributed along the length direction of the first adjusting rod 24 are formed in the first adjusting rod, and a first positioning screw 242 is in common threaded connection with the first screw hole and the second screw hole 241 aligned with the first screw; the forearm supporting mechanism 3 comprises a second supporting part 33 hinged with the end part of the first adjusting rod 24 far away from the first fixing rod 231 and a forearm supporting plate 32 fixed on the second supporting part 33, the second supporting part 33 comprises a second fixing rod 331 fixedly connected with the forearm supporting plate 32 and hinged with the first adjusting rod 24 and a second adjusting rod 34 connected with the second fixing rod 331 in a sliding manner, a third screw hole is formed in the end part of the second fixing rod 331 far away from the first adjusting rod 24, a plurality of fourth screw holes 341 uniformly distributed along the length direction of the second adjusting rod 34 are formed in the second adjusting rod 34, a second positioning screw 342 is jointly in threaded connection with the third screw hole aligned with the fourth screw holes 341, and the end part of the second adjusting rod 34 far away from the second; the connecting rod 14 is hinged with a telescopic rod 15, and the end part of the telescopic rod 15 far away from the connecting rod 14 is hinged with a fixed block 151 fixedly connected with a first fixed rod 231.

The above prior art solutions have the following drawbacks: during rehabilitation training of some patients, the forearm supporting plate is required to adjust horizontal flexion and extension; the forearm supporting mechanism and the big arm supporting mechanism in the brace are connected through the hinge joint between the adjusting rod I and the fixing rod II, the position of the forearm supporting plate can be adjusted only in a mode of turning up and down, and the horizontal flexion and extension adjustment of the forearm supporting plate cannot be realized.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims at providing a shoulder abduction two-degree-of-freedom brace, it has forearm layer board and can overturn from top to bottom and the level is bent and is stretched two kinds of degrees of freedom's regulation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a shoulder abduction two-degree-of-freedom brace, includes truck fixed establishment, big arm supporting mechanism, forearm supporting mechanism and the hand layer board that connects in order, big arm supporting mechanism with be equipped with elbow joint guiding mechanism between the forearm supporting mechanism, elbow joint guiding mechanism is including being used for adjusting the upset adjusting part that forearm supporting mechanism goes on overturning from top to bottom and being used for adjusting the forearm supporting mechanism and carry out the level and bend the adjusting part that stretches, the upset adjusting part is including fixing retainer plate one on forearm supporting mechanism, the retainer plate two of being connected with big arm supporting mechanism and the locating pin one of common threaded connection of retainer plate one and retainer plate two, the adjusting part that bends and stretches includes the rolling disc with big arm supporting mechanism fixed connection, the spacing dish one of two fixed connection of retainer plate and the spacing dish two fixed connection of retainer plate, spacing dish one reaches be formed with the storage tank of being convenient for placing the rolling disc between the spacing dish two, the first limiting disc and the second limiting disc are both provided with a first positioning hole, the rotating disc is provided with a second positioning hole, and the two first positioning holes and the second positioning holes which are coaxially arranged with the first positioning holes are jointly in threaded connection with a second positioning pin.

By adopting the technical scheme, when the forearm is adjusted to overturn up and down by the overturning adjusting assembly, the first positioning pin between the first fixing ring and the second fixing ring is taken down at first, then the relative position between the first fixing ring and the second fixing ring is adjusted, so that the angle between the large arm supporting mechanism and the forearm supporting mechanism is changed, the forearm supporting mechanism overturns up and down relative to the large arm supporting mechanism, after the angle between the first fixing ring and the second fixing ring reaches a proper state, the first positioning pin penetrates through the first fixing ring and the second fixing ring, and the stability of the forearm supporting mechanism is ensured.

When the bending and stretching adjusting assembly is used for adjusting horizontal bending and stretching of the front arm, the second positioning pin in the first positioning hole is taken down, then the rotating disc can be rotated in the horizontal direction, so that the angle between the large arm supporting mechanism and the front arm supporting mechanism is changed, the front arm supporting mechanism is horizontally bent and stretched relative to the large arm supporting mechanism, after the angle between the two reaches a proper state, the second positioning pin penetrates through the first positioning hole and the second positioning hole which is aligned with the first positioning hole, the rotating disc can be fixed with the first limiting disc and the second limiting disc, and the stability of the front arm supporting mechanism is further ensured; the turnover adjusting component and the flexion and extension adjusting component can be used for respectively adjusting the forearm to carry out adjustment of two degrees of freedom of up-down turnover and horizontal flexion and extension, so that the brace can be more convenient to use.

The present invention may be further configured in a preferred embodiment as: and gear rings are arranged on the opposite side surfaces of the first fixing ring and the second fixing ring, and the gear ring on the first fixing ring is meshed with the gear ring on the second fixing ring.

Through adopting above-mentioned technical scheme, be equipped with the ring gear on the opposite face of retainer plate one and retainer plate two, the ring gear can increase the area of contact between retainer plate one and the retainer plate two to this frictional force that can increase between retainer plate one and the retainer plate two reduces locating pin one and appears the smooth silk and influence the problem of stability between big arm supporting mechanism and the forearm supporting mechanism.

The present invention may be further configured in a preferred embodiment as: the limiting disc I, the rotating disc and the limiting disc II rotate together to penetrate through a round rod, the end portion of the round rod is fixedly connected with a first round ring in contact with the limiting disc I, and the other end portion of the round rod is fixedly connected with a second round ring in contact with the limiting disc II.

By adopting the technical scheme, the round rod can be connected with the first limiting disc, the second limiting disc and the rotating disc, and the rotating disc can be ensured to rotate along the round rod; meanwhile, the first circular ring and the second circular ring are arranged, so that the circular rod can be limited, the stability of connection between the circular rod and the first limiting disc, the second limiting disc and the rotating disc is ensured, and the stability of connection between the large arm supporting mechanism and the front arm supporting mechanism is ensured.

The present invention may be further configured in a preferred embodiment as: waist holes are formed in the first limiting disc and the second limiting disc.

According to different conditions of patients, partial patients need to make the forearms of the patients move in the horizontal flexion and extension directions, so that the rehabilitation treatment effect is promoted.

The present invention may be further configured in a preferred embodiment as: the trunk fixing mechanism comprises a waist fixing plate, a chest fixing plate and a telescopic adjusting piece used for connecting the waist fixing plate and the chest fixing plate.

Through adopting above-mentioned technical scheme, the waist fixed plate is used for fixed patient's waist, and the chest fixed plate is used for fixed patient's chest, and the patient can utilize flexible regulating part to adjust the distance between waist fixed plate and the chest fixed plate according to its bodily form to this practicality that has improved shoulder abduction brace.

The present invention may be further configured in a preferred embodiment as: the telescopic adjusting piece comprises a movable part fixed on the waist fixing plate and a fixing part connected with the movable part in a sliding manner and fixed on the chest fixing plate, a slide capable of sliding the movable part is arranged on the fixing part, a long hole communicated with the slide is arranged on the fixing part, a plurality of limiting holes are formed in the movable part along the length direction of the movable part, and limiting pins tightly abutted to the fixing part are in threaded connection with the limiting holes.

By adopting the technical scheme, when the distance between the waist fixing plate and the chest fixing plate needs to be adjusted by the telescopic adjusting piece, the limiting pin is screwed to separate the limiting pin from the fixing part, and then the movable part can be pulled along the length direction of the long hole to slide along the slide way, so that the relative position between the movable part and the fixing part is changed, the length of the telescopic adjusting piece is changed, and the distance between the chest fixing plate and the waist fixing plate is changed to adapt to the body shape of a patient; the limiting pin can be fixed at any position of the fixing part corresponding to the long hole, so that the length adjusting range of the telescopic adjusting piece is large.

The present invention may be further configured in a preferred embodiment as: the large arm supporting mechanism comprises a supporting piece III fixedly connected with the fixed ring II and a large arm supporting plate fixed on the supporting piece III, and the supporting piece III comprises a fixed rod III fixedly connected with the large arm supporting plate and fixedly connected with the fixed ring II and an adjusting rod III connected with the fixed rod III in a sliding manner; the forearm supporting mechanism comprises a support member four and a forearm supporting plate, the support member four is rotatably connected with the adjusting rod three, the forearm supporting plate is fixed on the support member four, and the support member four comprises a fixing rod four and an adjusting rod four, the fixing rod four is rotatably connected with the adjusting rod three, and the adjusting rod four is connected with the fixing rod four in a sliding mode.

By adopting the technical scheme, the large arm supporting mechanism is set to be a combination of a supporting piece III and a large arm supporting plate, the supporting piece III is used for connecting the trunk fixing mechanism and the large arm supporting mechanism, and the large arm supporting plate is used for supporting the large arm of the patient; the support piece III consists of a fixed rod III and an adjusting rod III which are arranged in a relative sliding manner, so that the length of the support piece III can be adjusted, and the support piece III can be adaptively adjusted according to the length of the large arm of the patient; the forearm supporting mechanism is set to be a combination of a supporting piece IV and a forearm supporting plate, the supporting piece IV is used for connecting the large arm supporting mechanism and the forearm supporting mechanism, and the forearm supporting plate is used for supporting the forearm of a patient; the support member IV consists of a fixed rod IV and an adjusting rod IV which are arranged in a relative sliding way, so that the length of the support member IV can be adjusted, and the support member IV can be adaptively adjusted according to the length of the forearm of a patient; the large arm supporting mechanism and the forearm supporting mechanism can be adaptively adjusted according to the body shapes of patients, so that the shoulder abduction brace can adapt to various patients.

The present invention may be further configured in a preferred embodiment as: a first sliding cavity for sliding the third adjusting rod is formed in the third fixing rod, a first strip hole communicated with the first sliding cavity is further formed in the third fixing rod, a third positioning screw is connected to the third adjusting rod in a threaded manner, and a first rotating block abutted against the third fixing rod is fixedly connected to the end portion of the third positioning screw; the fourth fixed rod is provided with a second sliding cavity for sliding of the fourth adjusting rod, the fourth fixed rod is further provided with a second strip hole communicated with the second sliding cavity, the fourth adjusting rod is in threaded connection with a fourth positioning screw, the end of the fourth positioning screw is fixedly connected with a second rotating block in butt joint with the fourth fixed rod, and the end, far away from the fourth fixed rod, of the fourth adjusting rod is fixedly connected with the hand support plate.

By adopting the technical scheme, the first rotating block is separated from the third fixed rod by rotating the first rotating block, then the position of the third adjusting rod is adjusted along the length direction of the first strip hole until the length of the third supporting piece is matched with the large arm of a patient, and then the first rotating block is rotated to enable the first rotating block to be abutted against the third fixed rod, so that the third adjusting rod and the third fixed rod are fixed, and the stability of the third supporting piece is ensured; through rotating the second rotating block, the second rotating block is separated from the fourth fixing rod, then the position of the fourth adjusting rod is adjusted along the length direction of the first strip hole until the length of the fourth supporting piece is matched with the large arm of a patient, and then the second rotating block is rotated to enable the second rotating block to be tightly abutted against the fourth fixing rod, so that the fourth adjusting rod is fixed with the fourth fixing rod, and the stability of the fourth supporting piece is guaranteed.

The present invention may be further configured in a preferred embodiment as: the inner wall of the first sliding cavity is connected with a first ball in rolling contact with a third adjusting rod; and a second ball in contact with the fourth adjusting rod is fixedly connected to the inner wall of the second sliding cavity.

By adopting the technical scheme, when the length of the support piece III is adjusted, the adjusting rod III slides in the sliding cavity I, the rolling connection between the adjusting rod III and the ball I can be converted into the sliding connection between the adjusting rod III and the fixed rod III, so that the friction force borne by the adjusting rod III can be reduced, the abrasion speed of the adjusting rod III is reduced, and the service life of the adjusting rod III is prolonged; when the length of the support piece IV is adjusted, the adjusting rod IV slides in the sliding cavity II, the rolling connection between the adjusting rod IV and the ball II can be converted into the sliding connection between the adjusting rod IV and the fixing rod IV, so that the friction force borne by the adjusting rod IV can be reduced, the abrasion speed of the adjusting rod IV is reduced, and the service life of the adjusting rod IV is prolonged.

To sum up, the utility model discloses a following at least one useful technological effect:

the front arm can be respectively adjusted to carry out adjustment of two degrees of freedom of up-down overturning and horizontal bending and stretching by utilizing the overturning adjusting component and the bending and stretching adjusting component, so that the brace can be more convenient to use;

the first positioning pin penetrates through a second positioning hole corresponding to the waist hole, and the second positioning pin can move in the waist hole in a small range, so that the forearm can perform horizontal flexion and extension movements in a small range, and a good rehabilitation treatment effect is achieved;

the waist fixed plate is used for fixing the waist of the patient, the chest fixed plate is used for fixing the chest of the patient, and the patient can utilize the telescopic adjusting piece to adjust the distance between the waist fixed plate and the chest fixed plate according to the body shape of the patient, so that the practicability of the shoulder abduction brace is improved.

Drawings

Fig. 1 is a schematic view of a prior art structure.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals: 1. a trunk fixing mechanism; 11. a waist fixing plate; 12. a chest fixation plate; 13. a telescopic adjustment member; 131. a fixed part; 132. a movable portion; 133. a slideway; 134. a long hole; 135. a limiting hole; 136. a spacing pin; 14. a connecting rod; 15. a telescopic rod; 151. a fixed block; 2. a large arm support mechanism; 21. a third support part; 211. fixing a rod III; 212. adjusting a rod III; 213. a sliding cavity I; 214. a first strip hole; 215. rotating the first block; 22. a large arm supporting plate; 23. a first support part; 231. fixing a rod I; 24. adjusting a rod I; 241. a second screw hole; 242. a first positioning screw; 3. a forearm support mechanism; 31. a support member IV; 311. fixing a rod IV; 312. adjusting a rod IV; 313. a sliding cavity II; 314. a second strip hole; 315. a second ball bearing; 316. rotating the second block; 32. a forearm support plate; 33. a second support part; 331. a second fixing rod; 34. a second adjusting rod; 341. a screw hole IV; 342. a second positioning screw; 4. a hand rest board; 5. a roll-over adjustment assembly; 51. a first fixing ring; 52. a second fixing ring; 521. a ring gear; 53. a first positioning pin; 6. a flexion and extension adjusting component; 61. rotating the disc; 611. a second positioning hole; 62. a first limiting disc; 621. a first positioning hole; 622. a waist hole; 63. a second limiting disc; 64. a round bar; 641. a first circular ring; 65. and a second positioning pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the utility model discloses a shoulder abduction two-degree-of-freedom brace, including truck fixed establishment 1, big arm supporting mechanism 2, forearm supporting mechanism 3 and the hand rest board 4 that connect in order. The trunk fixing mechanism 1 includes a waist fixing plate 11, a chest fixing plate 12, and a telescopic adjuster 13. The waist fixing plate 11 is used for fixing the waist of the patient, and the chest fixing plate 12 is used for fixing the chest of the patient.

The telescopic adjuster 13 is used to connect the lumbar fixing plate 11 and the chest fixing plate 12, and the telescopic adjuster 13 includes a fixed portion 131 and a movable portion 132. The fixing portion 131 is a rectangular parallelepiped structure, the fixing portion 131 is vertically disposed, and the fixing portion 131 is fixedly connected to the chest fixing plate 12. The fixing portion 131 is provided with a slide rail 133, and the length direction of the slide rail 133 is identical to the length direction of the fixing portion 131. The fixing part 131 is provided with a long hole 134 on the side away from the human body, the long hole 134 is communicated with the slide rail 133, and the length direction of the long hole 134 is consistent with the length direction of the fixing part 131. The movable portion 132 has a rectangular parallelepiped structure, the length direction of the movable portion 132 is the same as the length direction of the fixed portion 131, and the movable portion 132 is slidably disposed on the slide rail 133 of the fixed portion 131. In this embodiment, the movable portion 132 is provided with six limiting holes 135, and the six limiting holes 135 are uniformly distributed along the length direction of the movable portion 132. One of the limiting holes 135 is threadedly connected with a limiting pin 136, and the limiting pin 136 is tightly abutted against the fixing portion 131. The patient can adjust the distance between the waist fixing plate 11 and the chest fixing plate 12 by using the telescopic adjusting member 13 according to the body shape, the limiting pin 136 is screwed to separate from the fixing part 131 during adjustment, and then the movable part 132 can be pulled along the length direction of the long hole 134 to enable the movable part 132 to slide along the slide way 133, so that the relative position between the movable part 132 and the fixing part 131 is changed, the length of the telescopic adjusting member 13 is changed, and the distance between the chest fixing plate 12 and the chest fixing plate 11 is changed to adapt to the body shape of the patient.

Referring to fig. 2, the large arm supporting mechanism 2 includes a supporting member three 21 and a large arm supporting plate 22, the supporting member three 21 includes a fixing rod three 211 and an adjusting rod three 212, the fixing rod three 211 is a rectangular parallelepiped structure, and the fixing rod three 211 is rotatably connected to an end of the fixing portion 131. The fixing rod III 211 is provided with a first sliding cavity 213, and the length direction of the first sliding cavity 213 is consistent with that of the fixing rod III 211. The third fixing rod 211 is further provided with a first bar hole 214, and the first bar hole 214 is communicated with the first sliding cavity 213. The third adjusting rod 212 is slidably arranged in the first sliding cavity 213, so that the third fixing rod 211 is slidably connected with the third adjusting rod 212. The third adjusting rod 212 is in threaded connection with a third positioning screw, a first rotating block 215 is integrally formed at the end of the third positioning screw, and the position of the third positioning screw can be adjusted by rotating the first rotating block 215 so as to be tightly propped against the third fixing rod 211. The big arm supporting plate 22 is fixed on the third fixing rod 211, and the big arm supporting plate 22 is used for supporting the big arm.

The forearm support mechanism 3 comprises a support member four 31 and a forearm supporting plate 32, the support member four 31 comprises a fixing rod four 311 and an adjusting rod four 312, the fixing rod four 311 is of a rectangular parallelepiped structure, and the fixing rod four 311 is connected with the end part of the adjusting rod three 212 far away from the fixing part 131. The second sliding cavity 313 is formed in the fourth fixing rod 311, and the length direction of the second sliding cavity 313 is consistent with the length direction of the fourth fixing rod 311. The fourth fixing rod 311 is further provided with a second bar hole 314, and the second bar hole 314 is communicated with the second sliding cavity 313. The fourth adjusting rod 312 is slidably arranged in the second sliding cavity 313, so that the fourth fixing rod 311 is slidably connected with the fourth adjusting rod 312. The fourth adjusting rod 312 is in threaded connection with a fourth positioning screw, a second rotating block 316 is integrally formed at the end of the fourth positioning screw, and the position of the fourth positioning screw can be adjusted by rotating the second rotating block 316, so that the fourth positioning screw is tightly abutted to the fourth fixing rod 311. The forearm supporting plate 32 is fixed on the fixing rod four 311, and the forearm supporting plate 32 is used for supporting the forearm. The hand supporting plate 4 is fixed on the end part of the adjusting rod four 312 far away from the fixing rod four 311, and the hand supporting plate 4 is used for supporting the hand of the patient.

Referring to fig. 2 and 3, an elbow joint adjusting mechanism is arranged between the big arm supporting mechanism 2 and the forearm supporting mechanism 3, and the elbow joint adjusting mechanism comprises a turning adjusting component 5 and a flexion-extension adjusting component 6. The turning adjusting assembly 5 is used for adjusting the forearm support mechanism 3 to turn up and down, and includes a first fixing ring 51, a second fixing ring 52 and a first positioning pin 53. The first fixing ring 51 is fixed at the end part of the fourth fixing rod 311 close to the third fixing rod 212, the second fixing ring 52 is fixed at the end part of the third fixing rod 212 close to the fourth fixing rod 311, the first fixing ring 51 and the second fixing ring 52 are coaxially arranged, gear rings 521 are arranged on the side surfaces, close to each other, of the first fixing ring 51 and the second fixing ring 52, and the gear rings 521 on the first fixing ring 51 are meshed with the gear rings 521 on the second fixing ring 52. The first positioning pin 53 is in threaded connection with the first fixing ring 51 and the second fixing ring 52 together; when the forearm is turned over up and down by using the turning adjusting component 5, the first positioning pin 53 between the first fixing ring 51 and the second fixing ring 52 is taken down, then the relative position between the first fixing ring 51 and the second fixing ring 52 is adjusted, so that the angle between the big arm supporting mechanism 2 and the forearm supporting mechanism 3 is changed, the forearm supporting mechanism 3 is turned over up and down relative to the big arm supporting mechanism 2, and after the angle between the two reaches a proper state, the first positioning pin 53 penetrates through the first fixing ring 51 and the second fixing ring 52, so that the stability of the forearm supporting mechanism 3 is ensured.

Referring to fig. 2 and 3, the flexion-extension adjustment assembly 6 includes a rotating disc 61, a first limit disc 62 and a second limit disc 63. The rotating disc 61 and the end portion of the adjusting rod three 212 are integrally formed, the first limit disc 62 and the second limit disc 63 are integrally formed with the second fixed ring 52, a containing groove capable of containing the rotating disc 61 is formed between the first limit disc 62 and the second limit disc 63, the first limit disc 62, the rotating disc 61 and the second limit disc 63 are coaxial, a round rod 64 penetrates through the axle center positions of the first limit disc 62, the second limit disc 63 and the second limit disc 62 in a rotating mode, the round rod 64 is used for being connected with the first limit disc 62, the rotating disc 61 and the second limit disc 63, a first ring 641 is fixedly connected to the end portion, close to the first limit disc 62, of the round rod 64, a second ring (not shown) is fixedly connected to the end portion, close to the second limit disc 63, the first ring 641 and the second ring can limit the round rod 64, and the round rod 64 is prevented from being separated from the first limit disc 62 and the second limit disc 63, and accordingly. Four first positioning holes 621 are formed in the first limiting disc 62 and the second limiting disc 63, and the first positioning holes 621 are circular holes. The rotating disc 61 is provided with a second positioning hole 611, the second positioning hole 611 is identical to the first positioning hole 621 in shape, the number of the second positioning holes 611 is ten, and the ten second positioning holes 611 are uniformly distributed in a ring shape along the rotating disc 61. The first limit disc 62 and the second limit disc 63 are both provided with two waist holes 622, a second positioning pin 65 is arranged between the first limit disc 62 and the rotating disc 61, and the second positioning pin 65 can penetrate through the first positioning hole 621, the second positioning hole 611 and the waist holes 622.

Example two: a shoulder abduction two-degree-of-freedom brace, referring to fig. 2 and 3, the main difference from the first embodiment is that: the inner wall of the first sliding cavity 213 is connected with a first ball in a rolling way, and the first ball is in contact with the third adjusting rod 212; the inner wall of the second sliding cavity 313 is connected with a second ball 315 in a rolling way, and the second ball 315 is in contact with the fourth adjusting rod 312.

Compared with the first embodiment, the advantages are that: the rolling connection between the adjusting rod III 212 and the ball I can be converted into the sliding connection between the adjusting rod III 212 and the fixed rod III 211, so that the friction force borne by the adjusting rod III 212 can be reduced, the abrasion speed of the adjusting rod III 212 is reduced, and the service life of the adjusting rod III is prolonged; in the same way, the abrasion speed of the adjusting rod four 312 can be reduced, so that the service life of the adjusting rod four 312 is prolonged.

The implementation principle of the second embodiment is as follows: when the forearm is adjusted to turn over up and down by using the turning adjusting component 5, firstly, the first positioning pin 53 between the first fixing ring 51 and the second fixing ring 52 is taken down, then the relative position between the first fixing ring 51 and the second fixing ring 52 is adjusted, so that the angle between the big arm supporting mechanism 2 and the forearm supporting mechanism 3 is changed, the forearm supporting mechanism 3 is turned over up and down relative to the big arm supporting mechanism 2, and after the angle between the two reaches a proper state, the first positioning pin 53 penetrates through the first fixing ring 51 and the second fixing ring 52, so that the stability of the forearm supporting mechanism 3 is ensured; when the flexion and extension adjusting component 6 is used for adjusting horizontal flexion and extension of the front arm, the second positioning pin 65 in the first positioning hole 621 is taken down, then the rotating disc 61 can be rotated in the horizontal direction, so that the angle between the large arm supporting mechanism 2 and the front arm supporting mechanism 3 is changed, the front arm supporting mechanism 3 can horizontally flex and extend relative to the large arm supporting mechanism 2, after the angle between the two reaches a proper state, the second positioning pin 65 penetrates through the first positioning hole 621 and the second positioning hole 611 aligned with the first positioning hole 621, the rotating disc 61 can be fixed with the first limiting disc 62 and the second limiting disc 63, and the stability of the front arm supporting mechanism 3 is further ensured; the turning adjusting component 5 and the bending and stretching adjusting component 6 can be used for respectively adjusting the forearm to carry out the adjustment of two degrees of freedom of turning up and down and bending and stretching horizontally, so that the brace can be used more conveniently.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shoulder abduction two degree of freedom braces, includes truck fixed establishment (1), big arm supporting mechanism (2), forearm supporting mechanism (3) and palm board (4) that connect in order, its characterized in that: the elbow joint adjusting mechanism is arranged between the big arm supporting mechanism (2) and the forearm supporting mechanism (3), the elbow joint adjusting mechanism comprises a first fixing ring (51) fixed on the forearm supporting mechanism (3), a second fixing ring (52) connected with the big arm supporting mechanism (2) and a first positioning pin (53) in common threaded connection with the first fixing ring (51) and the second fixing ring (52), the first fixing ring (61) is fixedly connected with the big arm supporting mechanism (2), a first limiting disc (62) is fixedly connected with the second fixing ring (52) and a second limiting disc (63) is fixedly connected with the second fixing ring (52), an accommodating groove convenient for placing the rotating disc (61) is formed between the first limiting disc (62) and the second limiting disc (63), a first positioning hole (621) is formed in each of the first limiting disc (62) and the second limiting disc (63), a second positioning hole (611) is formed in each of the rotating disc (61), and the first positioning holes (621) and the second positioning holes (611) which are coaxially arranged with the first positioning holes (621) are in threaded connection with a second positioning pin (65) together.

2. The shoulder abduction two degree of freedom brace of claim 1, wherein: and gear rings (521) are arranged on the opposite side surfaces of the first fixed ring (51) and the second fixed ring (52), and the gear ring (521) on the first fixed ring (51) is meshed with the gear ring (521) on the second fixed ring (52).

3. The shoulder abduction two degree of freedom brace of claim 1, wherein: spacing dish (62) rotating disc (61) and rotate jointly on spacing dish two (63) and wear to be equipped with round bar (64), fixedly connected with on the tip of round bar (64) with ring one (641) of spacing dish one (62) contact, fixedly connected with on another tip of round bar (64) and the ring two of spacing dish two (63) contact.

4. The shoulder abduction two degree of freedom brace of claim 1, wherein: waist holes (622) are formed in the first limiting disc (62) and the second limiting disc (63).

5. The shoulder abduction two degree of freedom brace of claim 1, wherein: the trunk fixing mechanism (1) comprises a waist fixing plate (11), a chest fixing plate (12) and a telescopic adjusting piece (13) used for connecting the waist fixing plate (11) and the chest fixing plate (12).

6. The shoulder abduction two degree of freedom brace of claim 5, wherein: flexible regulating part (13) slide including fixing movable part (132) on waist fixed plate (11) and with movable part (132) and be connected and fix fixed part (131) on chest fixed plate (12), set up slide (133) that can supply movable part (132) to slide on fixed part (131), slot hole (134) with the slide intercommunication are seted up to fixed part (131), a plurality of spacing holes (135) have been seted up on movable part (132) along its length direction, threaded connection has spacing round pin (136) that support tightly with fixed part (131) on spacing hole (135).

7. The shoulder abduction two degree of freedom brace of claim 1, wherein: the large arm supporting mechanism (2) comprises a supporting piece III (21) fixedly connected with the fixed ring II (52) and a large arm supporting plate (22) fixed on the supporting piece III (21), and the supporting piece III (21) comprises a fixed rod III (211) fixedly connected with the large arm supporting plate (22) and fixedly connected with the fixed ring II (52) and an adjusting rod III (212) connected with the fixed rod III (211) in a sliding manner; the forearm supporting mechanism (3) comprises a support member four (31) rotationally connected with the adjusting rod three (212) and a forearm supporting plate (32) fixed on the support member four (31), and the support member four (31) comprises a fixing rod four (311) rotationally connected with the adjusting rod three (212) and an adjusting rod four (312) connected with the fixing rod four (311) in a sliding mode.

8. The shoulder abduction two degree of freedom brace of claim 7, wherein: a first sliding cavity (213) for the third adjusting rod (212) to slide is formed in the third fixing rod (211), a first strip hole (214) communicated with the first sliding cavity (213) is further formed in the third fixing rod (211), a third positioning screw is connected to the third adjusting rod (212) in a threaded manner, and a first rotating block (215) abutted to the third fixing rod (211) is fixedly connected to the end portion of the third positioning screw; set up on the dead lever four (311) and supply the smooth chamber two (313) that the regulating lever four (312) slided, still be equipped with on the dead lever four (311) with smooth chamber two (313) two (314) of intercommunication, threaded connection has set screw four on the regulating lever four (312), fixedly connected with on the tip of set screw four and the rotatory piece two (316) of dead lever four (311) butt, the tip of regulating lever four (312) keeping away from dead lever four (311) with hand brace (4) fixed connection.

9. The shoulder abduction two degree of freedom brace of claim 8, wherein: the inner wall of the first sliding cavity (213) is connected with a first ball in rolling contact with a third adjusting rod (212); and a second ball (315) in contact with the fourth adjusting rod (312) is fixedly connected to the inner wall of the second sliding cavity (313).