CN212547302U

CN212547302U - Shoulder abduction brace

Info

Publication number: CN212547302U
Application number: CN202020630388.4U
Authority: CN
Inventors: 吴爱献; 张晓亮; 李沐原
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 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 board, be equipped with shoulder joint coupling mechanism between truck fixed establishment and the big arm supporting mechanism, shoulder joint coupling mechanism is including setting up retainer plate one on truck fixed establishment, fix retainer plate two on big arm supporting mechanism and with the common threaded connection's of retainer plate one and retainer plate two connecting pin, all be provided with the ring gear on the relative side of retainer plate one and retainer plate two, ring gear on the retainer plate one and the ring gear intermeshing on the retainer plate two, be equipped with the horizontal level that is convenient for adjust big arm supporting mechanism horizontal position on the retainer plate two and bend and stretch adjustment mechanism. The utility model discloses it is less to have occupation space to wear the less effect of clothes influence to the patient.

Description

Shoulder abduction brace

Technical Field

The utility model relates to a technical field of medical treatment rehabilitation brace especially relates to a shoulder abduction 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, referring to fig. 1, 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: utilize the length change of telescopic link to adjust the angle between chest fixed plate and the big arm layer board, however the telescopic link need occupy great space, causes the patient to be difficult to wear suitable clothes.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a shoulder abduction brace has occupation space less to wear the less effect of clothes influence to the patient.

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

the utility model provides an abduction brace of shoulder, includes truck fixed establishment, big arm supporting mechanism, forearm supporting mechanism and the hand layer board that connects in order, truck fixed establishment with be equipped with shoulder joint coupling mechanism between the big arm supporting mechanism, shoulder joint coupling mechanism including set up retainer plate one on truck fixed establishment, fix retainer plate two on big arm supporting mechanism and with retainer plate one and two common threaded connection's of retainer plate connecting pin, retainer plate one reaches all be provided with the ring gear on the relative side of retainer plate two, retainer plate one go up the ring gear with ring gear intermeshing on the retainer plate two, the level that is equipped with on the retainer plate two and is convenient for adjust big arm supporting mechanism horizontal position bends and stretches adjustment mechanism.

When the distance between the trunk fixing mechanism and the large arm supporting mechanism needs to be adjusted, by adopting the technical scheme, the connecting pin between the first fixing ring and the second fixing ring is taken down, then the relative position between the first fixing ring and the second fixing ring is adjusted, and after the angle between the trunk fixing mechanism and the large arm supporting mechanism reaches a proper state, the connecting pin penetrates through the first fixing ring and the second fixing ring, so that the angle adjustment between the trunk fixing mechanism and the large arm supporting mechanism is completed; the space occupied by the first fixing ring and the second fixing ring is smaller, so that the influence on clothes wearing of a patient is smaller, and the shoulder abduction brace is more convenient to use; meanwhile, the arrangement of the gear ring can increase the friction force between the first fixing ring and the second fixing ring and reduce the problem that the connecting stability of the trunk fixing mechanism and the large arm supporting mechanism is influenced by the occurrence of thread slipping of the connecting pin; by utilizing the horizontal flexion and extension adjusting mechanism, the angle between the horizontal direction of the trunk supporting mechanism and the horizontal direction of the large arm supporting mechanism can be adjusted, and the practicability of the shoulder abduction brace is further improved.

The present invention may be further configured in a preferred embodiment as: the horizontal flexion and extension adjusting mechanism is a rotating disc which is fixedly connected with the second fixing ring and is rotationally connected with the large arm supporting mechanism, a waist hole is formed in the rotating disc, and a limiting pin in threaded connection with the large arm supporting mechanism is abutted to the waist hole.

By adopting the technical scheme, when the angle between the trunk fixing mechanism and the large arm supporting mechanism needs to be adjusted, the limiting pin is taken down, then the rotating disc is rotated to change the angle between the large arm supporting mechanism and the trunk fixing mechanism in the horizontal direction, then the limiting pin penetrates through the waist hole to be in threaded connection with the large arm supporting mechanism until the limiting pin is tightly abutted against the rotating disc, and therefore the angle adjustment between the trunk fixing mechanism and the large arm supporting mechanism is completed.

The present invention may be further configured in a preferred embodiment as: and the rotating disc is provided with lightening holes.

Through adopting above-mentioned technical scheme, be equipped with the lightening hole when guaranteeing rolling disc intensity, the quality of reducible rolling disc to this alleviates patient's heavy burden, has promoted the comfort level of shoulder abduction brace.

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 way allowing the movable part to slide is arranged on the fixing part, a long hole communicated with the slide way is arranged on the fixing part, a plurality of positioning holes are arranged on the movable part along the length direction of the movable part, and positioning pins abutted against the fixing part are connected to the positioning holes in a threaded manner.

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 positioning pin is screwed to separate the positioning 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 locating pin can be fixed in the arbitrary position of the fixed part that the slot hole corresponds, and the length adjustment scope of flexible regulating part is great.

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 the sliding of 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 tightly 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 the fourth adjusting rod to slide, 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 part of the fourth positioning screw is fixedly connected with a second rotating block tightly abutted to the fourth fixed rod, and the end part of the fourth adjusting rod far away from the fourth fixed 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; the second rotating block and the fourth fixing rod are separated by rotating the second rotating block, 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 and the fourth fixing rod are fixed, 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.

The present invention may be further configured in a preferred embodiment as: the iron ring is fixedly connected between the first fixing ring and the gear ring, and the magnetic ring is fixedly connected between the second fixing ring and the gear ring.

Through adopting above-mentioned technical scheme, when retainer plate one and retainer plate two laminating, because the inter attraction between iron ring and the magnetosphere, can make the laminating between retainer plate one and the retainer plate two more firm to the steadiness of being connected between trunk fixed establishment and the big arm supporting mechanism has been improved.

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

the space occupied by the first fixing ring and the second fixing ring is smaller, so that the influence on clothes wearing of a patient is smaller, and the shoulder abduction brace is more convenient to use; meanwhile, the arrangement of the gear ring can increase the friction force between the first fixing ring and the second fixing ring and reduce the problem that the connecting stability of the trunk fixing mechanism and the large arm supporting mechanism is influenced by the occurrence of thread slipping of the connecting pin;

the horizontal flexion and extension adjusting mechanism is utilized to adjust the angle between the horizontal direction of the trunk supporting mechanism and the horizontal direction of the large arm supporting mechanism, so that the practicability of the shoulder abduction brace is further improved;

when the first fixing ring is attached to the second fixing ring, due to mutual attraction between the iron ring and the magnetic ring, the first fixing ring and the second fixing ring can be attached more firmly, and therefore the stability of connection between the trunk fixing mechanism and the large arm supporting mechanism 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. positioning pins; 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. a first ball; 216. 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. 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 shoulder joint connection mechanism; 51. a first fixing ring; 511. an iron ring; 52. a second fixing ring; 521. a magnetic coil; 53. a connecting pin; 54. a ring gear; 6. rotating the disc; 61. a waist hole; 611. a spacing pin; 62. and (7) lightening holes.

Detailed Description

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

In a first embodiment, referring to fig. 2, a shoulder abduction brace includes a trunk fixing mechanism 1, a big arm supporting mechanism 2, a forearm supporting mechanism 3, and a hand rest plate 4, which are connected in sequence. 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 positioning holes, and the six positioning holes are uniformly distributed along the length direction of the movable portion 132. The positioning hole is threaded with a positioning pin 136, and the positioning pin 136 abuts against the fixing portion 131. The patient can adjust the distance between the lumbar fixing plate 11 and the chest fixing plate 12 by using the telescopic adjusting member 13 according to the body shape of the patient, the positioning 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 slide the movable part 132 along the slide way 133, so that the relative position between the movable part 132 and the fixing part 131 is changed, thereby changing the length of the telescopic adjusting member 13, and changing the distance between the chest fixing plate 12 and the lumbar fixing plate 11 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 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 216 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 216, so that the third positioning screw is tightly abutted to 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.

Referring to fig. 3, a shoulder joint connecting mechanism 5 is provided between the trunk fixing mechanism 1 and the upper arm supporting mechanism 2, and the shoulder joint connecting mechanism 5 includes a first fixing ring 51, a second fixing ring 52, and a connecting pin 53. The first fixing ring 51 is fixed on the top of the fixing portion 131, and the second fixing ring 52 is fixed on the end of the third fixing rod 211. The first fixing ring 51 and the second fixing ring 52 are both of a circular tube structure, and the connecting pin 53 is in threaded connection with the first fixing ring 51 and the second fixing ring 52 together. And the opposite side surfaces of the first fixed ring 51 and the second fixed ring 52 are provided with gear rings 54, and the gear rings 54 on the first fixed ring 51 are meshed with the gear rings 54 on the second fixed ring 52. When the distance between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 needs to be adjusted, the connecting 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, and after the angle between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 reaches a proper state, the connecting pin 53 penetrates through the first fixing ring 51 and the second fixing ring 52, so that the angle adjustment between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 is completed.

The second fixed ring 52 is provided with a horizontal bending and stretching adjusting mechanism, the horizontal bending and stretching adjusting mechanism is used for adjusting the horizontal position of the large arm supporting mechanism 2, the horizontal bending and stretching adjusting mechanism is a rotating disc 6 which is rotatably connected to the third fixed rod 211, and the rotating disc 6 and the second fixed ring 52 are integrally formed. Waist holes 61 are formed in the rotating disc 6, the number of the waist holes 61 is two, and the two waist holes 61 penetrate through the rotating disc 6 along the thickness direction of the rotating disc 6. The waist hole 61 is provided with a limit pin 611 in a penetrating manner, the bottom of the limit pin 611 is in threaded connection with the third fixed rod 211, and the length of the limit pin 611 extending into the third fixed rod 211 is adjusted by rotating the limit pin 611, so that the limit pin 611 is tightly abutted against the rotating disc 6. The rotating disc 6 is also provided with lightening holes 62, and the lightening holes 62 can reduce the weight of the rotating disc 6 while ensuring the strength of the rotating disc 6, thereby reducing the load of a patient. When the angle between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 needs to be adjusted, the limiting pin 611 is taken down, then the rotating disc 6 is rotated to change the angle between the large arm supporting mechanism 2 and the trunk fixing mechanism 1 in the horizontal direction, and then the limiting pin 611 penetrates through the waist hole 61 to be in threaded connection with the large arm supporting mechanism 2 until the limiting pin 611 abuts against the rotating disc 6, so that the angle adjustment between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 is completed.

Referring to fig. 2, the forearm support mechanism 3 includes a support member four 31 and a forearm support plate 32, the support member four 31 includes a fixing rod four 311 and an adjusting rod four 312, the fixing rod four 311 is a rectangular parallelepiped structure, and the fixing rod four 311 is connected to an end of the adjusting rod three 212 far away from the fixing rod three 211. 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 315 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 315 so as to be tightly abutted against 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.

Example two: a shoulder abduction brace, referring to fig. 2 and 3, mainly different from the first embodiment: an iron ring 511 is integrally formed between the first fixed ring 51 and the gear ring 54, and a magnetic ring 521 is fixedly connected between the second fixed ring 52 and the gear ring 54. The inner wall of the first sliding cavity 213 is connected with a first ball 215 in a rolling way, and the first ball 215 is in contact with a third adjusting rod 212; the inner wall of the second sliding cavity 313 is connected with a second ball in a rolling way, and the second ball is in contact with the fourth adjusting rod 312.

Compared with the first embodiment, the advantages are that: when the first fixing ring 51 is attached to the second fixing ring 52, the first fixing ring 51 and the second fixing ring 52 can be attached more firmly due to the mutual attraction between the iron ring 511 and the magnetic ring 521, so that the connection stability between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 is improved; the rolling connection between the third adjusting rod 212 and the first rolling balls 215 can be converted into the sliding connection between the third adjusting rod 212 and the third fixed rod 211, so that the friction force borne by the third adjusting rod 212 can be reduced, the abrasion speed of the third adjusting rod 212 is reduced, and the service life of the third adjusting rod 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 distance between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 needs to be adjusted, by adopting the technical scheme, the connecting pin 53 between the first fixing ring 51 and the second fixing ring 52 is firstly taken down, then the relative position between the first fixing ring 51 and the second fixing ring 52 is adjusted, and after the angle between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 reaches a proper state, the connecting pin 53 penetrates through the first fixing ring 51 and the second fixing ring 52, so that the angle adjustment between the trunk fixing mechanism 1 and the large arm supporting mechanism 2 is completed; the space occupied by the first fixing ring 51 and the second fixing ring 52 is smaller, so that the influence on clothes wearing of a patient is smaller, and the shoulder abduction brace is more convenient to use; meanwhile, the arrangement of the gear ring 54 can increase the friction force between the first fixing ring 51 and the second fixing ring 52 and reduce the problem that the connection stability of the trunk fixing mechanism 1 and the large arm supporting mechanism 2 is influenced by the occurrence of thread slipping of the connecting pin 53.

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 brace, 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: torso fixed establishment (1) with be equipped with shoulder joint coupling mechanism (5) between big arm supporting mechanism (2), shoulder joint coupling mechanism (5) including set up retainer plate (51) on torso fixed establishment (1), fix retainer plate two (52) on big arm supporting mechanism (2) and with retainer plate one (51) and retainer plate two (52) common threaded connection's connecting pin (53), retainer plate one (51) and all be provided with ring gear (54) on the relative side of retainer plate two (52), ring gear (54) on retainer plate one (51) with ring gear (54) intermeshing on retainer plate two (52), be equipped with the horizontal of being convenient for adjust big arm supporting mechanism (2) horizontal position on retainer plate two (52) and bend and stretch adjustment mechanism.

2. The shoulder abduction brace of claim 1, wherein: the horizontal bending and stretching adjusting mechanism is a rotating disc (6) which is fixedly connected with a second fixing ring (52) and is rotatably connected with the large arm supporting mechanism (2), a waist hole (61) is formed in the rotating disc (6), and a limiting pin (611) which is in threaded connection with the large arm supporting mechanism (2) is abutted to the waist hole (61).

3. The shoulder abduction brace of claim 2, wherein: the rotating disc (6) is provided with lightening holes (62).

4. The shoulder abduction 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).

5. The shoulder abduction brace of claim 4, wherein: flexible regulating part (13) including fix movable part (132) on waist fixed plate (11) and with movable part (132) slide 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), set up slot hole (134) with slide (133) intercommunication on fixed part (131), a plurality of locating holes have been seted up on movable part (132) along its length direction, threaded connection has locating pin (136) that support tightly with fixed part (131) on the locating hole.

6. The shoulder abduction 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.

7. The shoulder abduction brace of claim 6, wherein: a first sliding cavity (213) which can be used for the sliding of the third adjusting rod (212) 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 mode, and a first rotating block (216) which is tightly abutted to the third fixing rod (211) is fixedly connected to the end portion of the third positioning screw; the hand-held electric tool is characterized in that a sliding cavity II (313) which can be used for sliding of an adjusting rod IV (312) is formed in the fixing rod IV (311), a strip hole II (314) communicated with the sliding cavity II (313) is further formed in the fixing rod IV (311), a positioning screw IV is connected to the adjusting rod IV (312) in a threaded mode, a rotating block II (315) which is tightly abutted to the fixing rod IV (311) is fixedly connected to the end portion of the positioning screw IV, and the end portion, far away from the fixing rod IV (311), of the adjusting rod IV (312) is fixedly connected with the hand-held plate (4).

8. The shoulder abduction brace of claim 7, wherein: the inner wall of the sliding cavity I (213) is connected with a ball I (215) which is in contact with the adjusting rod III (212) in a rolling way; and a second ball in contact with the fourth adjusting rod (312) is fixedly connected to the inner wall of the second sliding cavity (313).

9. The shoulder abduction brace of claim 1, wherein: an iron ring (511) is fixedly connected between the first fixing ring (51) and the gear ring (54) together, and a magnetic ring (521) is fixedly connected between the second fixing ring (52) and the gear ring (54) together.