CN216148314U - Orthopedic wrist joint fixing device convenient to adjust - Google Patents
Orthopedic wrist joint fixing device convenient to adjust Download PDFInfo
- Publication number
- CN216148314U CN216148314U CN202122174975.4U CN202122174975U CN216148314U CN 216148314 U CN216148314 U CN 216148314U CN 202122174975 U CN202122174975 U CN 202122174975U CN 216148314 U CN216148314 U CN 216148314U
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- China
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- wall
- box body
- chain wheel
- rotating rod
- fixedly connected
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Abstract
The utility model relates to the technical field of medicine, and discloses a wrist joint fixing device convenient to adjust and used for orthopedics. According to the utility model, the clamping mechanism is arranged, the rotating handle is rotated to drive the rotating rod A to rotate, the rotating rod A drives the chain wheel B to rotate through the chain wheel A and the chain A, the inner wall of the chain wheel B is sleeved on the outer wall of the threaded rod through the square hole and drives the threaded rod to rotate through the square hole, the lower half part of the threaded rod is a circular threaded rod, and the lower half part of the threaded rod is in threaded connection with the inner wall of the box body through threads, so that the box body can be descended by the rotation of the threads when the threaded rod rotates, and the hands are clamped through the clamping plates, so that the wrist can be adjusted and fixed at any time according to the different thicknesses of the wrist of each person, the requirements of different fastening states needed by a patient during recovery are met, and the working efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of medicine, in particular to a wrist joint fixing device convenient to adjust and used for orthopedics.
Background
Orthopedics is one of the most common departments of various hospitals, mainly studies the anatomy, physiology and pathology of a skeletal muscle system, maintains and develops the normal form and function of the system by using medicines, operations and physical methods, common orthopedic diseases comprise patellar fracture, ulnar nerve injury, congenital hip inversion, severed finger replantation, interphalangeal neuralgia and the like, after the treatment of the injured wrist joint of a patient, the treated wrist joint needs to be fixed and protected, so that the wrist joint can be recovered as soon as possible.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wrist joint fixing device convenient to adjust for orthopedics, and the aim of solving the problems is fulfilled.
In order to achieve the purpose, the utility model provides the following technical scheme: a wrist joint fixing device convenient to adjust for orthopedics comprises a box body, wherein a clamping plate is fixedly connected to the inner wall of the box body, and a clamping mechanism is arranged inside the box body;
the clamping mechanism comprises a rotating handle, a rotating rod A, a chain wheel A, a chain wheel B, a threaded rod, a limiting frame and a ratchet wheel, one end of the rotating handle is fixedly connected with one end of the rotating rod A, the other end of the rotating rod A penetrates through the top of the box body and is rotatably connected with the top of the box body through a bearing, the outer wall of the rotating rod A is fixedly connected with the inner wall of the chain wheel A, the chain wheel A is in transmission connection with the chain wheel B through the chain A, the inner wall of the chain wheel B is in contact with the outer wall of the threaded rod, the top end of the threaded rod penetrates through the top of the box body and is in sliding connection with the top of the box body, the other end of the threaded rod is rotatably connected with the bottom of the inner wall of the box body through a bearing, the outer wall of the threaded rod penetrates through the inner wall of the box body and is in threaded connection with the inner wall of the box body, the top and the bottom of the limiting frame are in sliding connection with the outer wall of the limiting frame, one side of the box body is fixedly connected with the inner wall of the ratchet wheel A, a locking mechanism is arranged on the left side of the ratchet wheel;
the locking mechanism comprises a clamping block, a sliding plate, a spring, a fixing block, a gear, a rotating rod B, a chain wheel C, a chain B, a chain wheel D, a rotating rod C, a bevel gear A, a bevel gear B, a rotating rod D and a knob, one end of the clamping block is meshed with the ratchet wheel, the other end of the clamping block is fixedly connected with one side of the sliding plate, the top of the sliding plate is slidably connected with the top of the inner wall of the box body, one side of the sliding plate is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with the fixing block, the front surface and the back surface of the fixing block are fixedly connected with the front surface and the back surface of the inner wall of the box body, the bottom of the sliding plate is meshed with the top of the gear, the inner wall of the gear is fixedly connected with the outer wall of the rotating rod B, the two ends of the rotating rod B are rotatably connected with the front surface and the back surface of the inner wall of the box body through bearings, the outer wall of the rotating rod B is fixedly connected with the inner wall of the chain wheel C, and the chain wheel C is in transmission connection with the chain wheel D through the chain B, the inner wall of the chain wheel D is fixedly connected with the outer wall of the rotating rod C, one end of the rotating rod C is rotatably connected with the front surface of the inner wall of the box body through a bearing, the other end of the rotating rod C is fixedly connected with the inner wall of the bevel gear A, the bevel gear A is meshed with the bevel gear B, the inner wall of the bevel gear B is fixedly connected with the outer wall of the rotating rod D, one end of the rotating rod D penetrates through the top of the box body and is fixedly connected with the knob, and the rotating rod D is rotatably connected with the top of the box body through a bearing.
Preferably, the clamping plate is semicircular in shape.
Preferably, the upper half part of the threaded rod is a square rod, and the length of the square rod of the threaded rod is one third of the total height of the threaded rod.
Preferably, the inner wall of the chain wheel B is provided with a square hole, and the chain wheel B is connected with the outer wall of the threaded rod in a sliding mode through the square hole in the inner wall.
Preferably, the bottom of the sliding plate is fixedly connected with a rack, and the sliding plate is meshed with the gear through the rack.
Preferably, the sprocket C is directly identical to the sprocket D.
The utility model provides a wrist joint fixing device convenient to adjust and used for orthopedics. The method has the following beneficial effects:
(1) according to the utility model, the clamping mechanism is arranged, the rotating handle is rotated to drive the rotating rod A to rotate, the rotating rod A drives the chain wheel B to rotate through the chain wheel A and the chain A, the inner wall of the chain wheel B is sleeved on the outer wall of the threaded rod through the square hole and drives the threaded rod to rotate through the square hole, the lower half part of the threaded rod is a circular threaded rod, and the lower half part of the threaded rod is in threaded connection with the inner wall of the box body through threads, so that the box body can be descended by the rotation of the threads when the threaded rod rotates, and the hands are clamped through the clamping plates, so that the wrists can be adjusted and fixed at any time according to the different thicknesses of wrists of everybody, and the requirements of patients on different fastening states are met when the wrists are recovered.
(2) The locking mechanism is arranged, so that the clamping block is meshed with the ratchet wheel to be clamped tightly, and the clamping block and the ratchet wheel are clamped mutually in the barb shape, so that when a patient clamps and carries daily life, the phenomenon that the affected part is excessively clamped due to careless pushing of the handle by external factors is avoided, the injury to the affected part is increased, and the affected part of the patient is protected by the locking mechanism.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the locking mechanism of the present invention;
FIG. 3 is a top view of the locking mechanism of the present invention;
FIG. 4 is a front view of the ratchet of the present invention.
In the figure: 1 clamp plate, 2 box bodies, 3 clamping mechanisms, 301 rotating handle, 302 rotating rod A, 303 chain wheel A, 304 chain, 305 chain wheel B, 306 threaded rod, 307 spacing frame, 308 ratchet wheel, 4 locking mechanism, 401 clamping block, 402 sliding plate, 403 spring, 404 fixing block, 405 gear, 406 rotating rod B, 407 chain wheel C, 408 chain, 409 chain wheel D, 410 rotating rod C, 411 bevel gear A, 412 bevel gear B, 413 rotating rod D, 414 knob.
Detailed Description
As shown in fig. 1 to 4, the present invention provides a technical solution: an orthopedic wrist joint fixing device convenient to adjust comprises a box body 2, a splint 1 is fixedly connected to the inner wall of the box body 2, the splint 1 is semicircular in shape, a clamping mechanism 3 is arranged inside the box body 2, by arranging the clamping mechanism 3, the rotating handle 301 is rotated to drive the rotating rod A302 to rotate, the rotating rod A302 drives the chain wheel B305 to rotate through the chain wheel A303 and the chain A304, the inner wall of the chain wheel B305 is sleeved on the outer wall of the threaded rod 306 through a square hole and drives the threaded rod 306 to rotate through the square hole, the lower half part of the threaded rod 306 is a round threaded rod, the lower half part of the threaded rod 306 is in threaded connection with the inner wall of the box body 2 through threads, the casing 2 is lowered by the rotation of the screw when the screw bar 306 is rotated, the hand is clamped by the clamping plate 1, therefore, the wrists can be adjusted and fixed at any time according to the different thicknesses of the wrists of each person, and the requirements of patients on different fastening states during recovery are met;
the clamping mechanism 3 comprises a rotating handle 301, a rotating rod A302, a chain wheel A303, a chain A304, a chain wheel B305, a threaded rod 306, a limiting frame 307 and a ratchet 308, one end of the rotating handle 301 is fixedly connected with one end of the rotating rod A302, the other end of the rotating rod A302 penetrates through the top of the box body 2 and is rotatably connected with the top of the box body 2 through a bearing, the outer wall of the rotating rod A302 is fixedly connected with the inner wall of the chain wheel A303, the chain wheel A303 is in transmission connection with the chain wheel B305 through the chain A304, a square hole is formed in the inner wall of the chain wheel B305, the chain wheel B305 is in sliding connection with the outer wall of the threaded rod 306 through the square hole in the inner wall, the inner wall of the chain wheel B305 is in contact with the outer wall of the threaded rod 306, the upper half part of the threaded rod 306 is a square rod, the length of the threaded rod 306 is one third of the total height of the threaded rod 306, the top end of the threaded rod 306 penetrates through the top of the box body 2 and is in sliding connection with the top of the box body 2, the other end of the threaded rod 306 is rotatably connected with the bottom of the inner wall of the box body 2 through a bearing, the outer wall of the threaded rod 306 and is in threaded rod connected with the inner wall of the box body 2, the top and the bottom of the chain wheel B305 are in sliding connection with the outer wall of the limiting frame 307, one side of the limiting frame 307 is fixedly connected with one side of the inner wall of the box body 2, the outer wall of the rotating rod A302 is fixedly connected with the inner wall of the ratchet wheel 308, the locking mechanism 4 is arranged on the left side of the ratchet wheel 308, the fixture block 401 is meshed with the ratchet wheel 308 to be clamped tightly, and the fixture block 401 and the ratchet wheel 308 are clamped tightly through the barb shape of the fixture block 401 and the ratchet wheel 308, so that when a patient clamps and carries daily life, the phenomenon that the handle is carelessly pushed by external factors is avoided, the affected part is excessively clamped, the injury to the affected part is increased, and the affected part of the patient is further protected through the locking mechanism 4;
the locking mechanism 4 comprises a fixture block 401 and a sliding plate 402, wherein the bottom of the sliding plate 402 is fixedly connected with a rack, the sliding plate 402 is meshed with a gear 405 through the rack, a spring 403, a fixed block 404, the gear 405, a rotating rod B406 and a chain wheel C407, the chain wheel C407 is directly the same as the chain wheel D409, a chain B408, the chain wheel D409, a rotating rod C410, a bevel gear A411, a bevel gear B412, a rotating rod D413 and a knob 414, one end of the fixture block 401 is meshed with a ratchet 308, the other end of the fixture block 401 is fixedly connected with one side of the sliding plate 402, the top of the sliding plate 402 is slidably connected with the top of the inner wall of the box 2, one side of the sliding plate 402 is fixedly connected with one end of the spring 403, the other end of the spring 403 is fixedly connected with the fixed block 404, the front and the back of the inner wall of the box 2 are fixedly connected, the bottom of the sliding plate 402 is meshed with the top of the gear 405, the inner wall of the gear 405 is fixedly connected with the outer wall of the rotating rod B406, the front and the back of the inner wall of the box 2 are rotatably connected through bearings, the outer wall of a rotating rod B406 is fixedly connected with the inner wall of a chain wheel C407, the chain wheel C407 is in transmission connection with a chain wheel D409 through a chain B408, the inner wall of the chain wheel D409 is fixedly connected with the outer wall of a rotating rod C410, one end of the rotating rod C410 is in rotational connection with the front face of the inner wall of the box body 2 through a bearing, the other end of the rotating rod C410 is in fixed connection with the inner wall of a bevel gear A411, the bevel gear A411 is meshed with a bevel gear B412, the inner wall of the bevel gear B412 is in fixed connection with the outer wall of a rotating rod D413, one end of the rotating rod D413 penetrates through the top of the box body 2 and is fixedly connected with a knob 414, and the rotating rod D413 is in rotational connection with the top of the box body 2 through a bearing.
When the wrist clamp is used, the wrist is wholly inserted into the clamp plate 1, before clamping work is carried out, the clamping hook needs to be firstly unlocked, the rotating knob 414 needs to drive the rotating rod D413 to rotate, the rotating rod D413 drives the bevel gear A411 to rotate through the bevel gear B412, the bevel gear A411 drives the chain wheel D409 to rotate through the rotating rod C410, the chain wheel D409 drives the chain wheel C407 to rotate through the chain B408, the chain wheel C407 drives the gear 405 to rotate through the rotating rod B406, the gear 405 is meshed with the sliding plate 402 and drives the sliding plate 402 to slide leftwards, the connecting clamping block 401 is separated from the meshing of the ratchet 308, the ratchet 308 is separated from the clamped state and can move freely, at the moment, the rotating handle 301 drives the rotating rod A302 to rotate, the rotating rod A302 drives the chain wheel B305 to rotate through the chain wheel A303 and the chain A304, the inner wall of the chain wheel B305 is sleeved on the outer wall of the threaded rod 306 through a square hole and drives the threaded rod 306 to rotate through the square hole, the lower half part of the threaded rod 306 is a circular threaded rod 306, the lower half part of the threaded rod 306 is in threaded connection with the inner wall of the box body 2 through threads, so that the box body 2 can descend due to the rotation of the threads when the threaded rod 306 rotates, the hand is clamped by the clamping plate 1, meanwhile, the chain wheel B305 can be pressed downwards by the limiting frame 307 for limiting, and simultaneously slides downwards on the outer wall of the threaded rod 306, the connection with the chain A304 is continuously kept, so that the wrist is clamped, then the hand rotating by the knob 414 is loosened, the sliding plate 402 is separated from the meshing of the gear 405, the rebounding force is carried out by the spring 403, the sliding plate 402 and the fixture block 401 are pushed, the fixture block 401 is meshed and clamped with the ratchet 308, and the fixture block 401 and the ratchet 308 are clamped mutually through the barb shapes of the fixture block 401 and the ratchet 308, so that when a patient clamps and carries daily life, the patient is prevented from carelessly pushing the handle due to external factors, the excessive clamping of the affected part is carried out, and the injury to the affected part is increased, the affected part of the patient is then protected by the provision of the locking mechanism 4.
Claims (6)
1. The utility model provides a be convenient for adjustment type wrist joint fixing device for orthopedics, includes box (2), its characterized in that: the inner wall of the box body (2) is fixedly connected with a clamping plate (1), and a clamping mechanism (3) is arranged in the box body (2);
the clamping mechanism (3) comprises a rotating handle (301), a rotating rod A (302), a chain wheel A (303), a chain A (304), a chain wheel B (305), a threaded rod (306), a limiting frame (307) and a ratchet wheel (308), wherein one end of the rotating handle (301) is fixedly connected with one end of the rotating rod A (302), the other end of the rotating rod A (302) penetrates through the top of the box body (2) and is rotatably connected with the top of the box body (2) through a bearing, the outer wall of the rotating rod A (302) is fixedly connected with the inner wall of the chain wheel A (303), the chain wheel A (303) is in transmission connection with the chain wheel B (305) through the chain A (304), the inner wall of the chain wheel B (305) is in contact with the outer wall of the threaded rod (306), the top end of the threaded rod (306) penetrates through the top of the box body (2) and is in sliding connection with the top of the box body (2), the other end of the threaded rod (306) is rotatably connected with the bottom of the inner wall of the box body (2) through a bearing, the outer wall of the threaded rod (306) penetrates through the inner wall of the box body (2) and is in threaded connection with the inner wall of the box body (2), the top and the bottom of the chain wheel B (305) are in sliding connection with the outer wall of the limiting frame (307), one side of the limiting frame (307) is fixedly connected with one side of the inner wall of the box body (2), the outer wall of the rotating rod A (302) is fixedly connected with the inner wall of the ratchet wheel (308), and the left side of the ratchet wheel (308) is provided with a locking mechanism (4);
the locking mechanism (4) comprises a clamping block (401), a sliding plate (402), a spring (403), a fixing block (404), a gear (405), a rotating rod B (406), a chain wheel C (407), a chain B (408), a chain wheel D (409), a rotating rod C (410), a bevel gear A (411), a bevel gear B (412), a rotating rod D (413) and a knob (414), one end of the clamping block (401) is meshed with the ratchet wheel (308), the other end of the clamping block (401) is fixedly connected with one side of the sliding plate (402), the top of the sliding plate (402) is slidably connected with the top of the inner wall of the box body (2), one side of the sliding plate (402) is fixedly connected with one end of the spring (403), the other end of the spring (403) is fixedly connected with the fixing block (404), the front face and the back face of the fixing block (404) are fixedly connected with the back face of the inner wall of the box body (2), the bottom of the sliding plate (402) is meshed with the top of the gear (405), the inner wall of the gear (405) is fixedly connected with the outer wall of a rotating rod B (406), the two ends of the rotating rod B (406) are rotatably connected with the front side and the back side of the inner wall of the box body (2) through bearings, the outer wall of the rotating rod B (406) is fixedly connected with the inner wall of a chain wheel C (407), the chain wheel C (407) is in transmission connection with a chain wheel D (409) through a chain B (408), the inner wall of the chain wheel D (409) is fixedly connected with the outer wall of the rotating rod C (410), one end of the rotating rod C (410) is rotatably connected with the front side of the inner wall of the box body (2) through a bearing, the other end of the rotating rod C (410) is fixedly connected with the inner wall of a bevel gear A (411), the bevel gear A (411) is meshed with the bevel gear B (412), the inner wall of the bevel gear B (412) is fixedly connected with the outer wall of the rotating rod D (413), one end of the rotating rod D (413) penetrates through the top of the box body (2) and is fixedly connected with a knob (414), and the rotating rod D (413) is rotatably connected with the top of the box body (2) through a bearing.
2. An adjustable wrist joint fixing device for orthopedics department according to claim 1, wherein: the splint (1) is semicircular in shape.
3. An adjustable wrist joint fixing device for orthopedics department according to claim 1, wherein: the upper half part of the threaded rod (306) is a square rod, and the length of the square rod of the threaded rod (306) is one third of the total height of the threaded rod (306).
4. An adjustable wrist joint fixing device for orthopedics department according to claim 1, wherein: the inner wall of the chain wheel B (305) is provided with a square hole, and the chain wheel B (305) is connected with the outer wall of the threaded rod (306) in a sliding mode through the square hole in the inner wall.
5. An adjustable wrist joint fixing device for orthopedics department according to claim 1, wherein: the bottom of the sliding plate (402) is fixedly connected with a rack, and the sliding plate (402) is meshed with the gear (405) through the rack.
6. An adjustable wrist joint fixing device for orthopedics department according to claim 1, wherein: the sprocket C (407) is directly identical to the sprocket D (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174975.4U CN216148314U (en) | 2021-09-09 | 2021-09-09 | Orthopedic wrist joint fixing device convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174975.4U CN216148314U (en) | 2021-09-09 | 2021-09-09 | Orthopedic wrist joint fixing device convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216148314U true CN216148314U (en) | 2022-04-01 |
Family
ID=80847632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122174975.4U Expired - Fee Related CN216148314U (en) | 2021-09-09 | 2021-09-09 | Orthopedic wrist joint fixing device convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216148314U (en) |
-
2021
- 2021-09-09 CN CN202122174975.4U patent/CN216148314U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |