CN219846976U

CN219846976U - Damping artificial limb receiving cavity

Info

Publication number: CN219846976U
Application number: CN202321003824.5U
Authority: CN
Inventors: 龚良奇; 刘玲; 刘文贞
Original assignee: Hunan Haihong Medical Technology Co ltd
Current assignee: Hunan Haihong Medical Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-20
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of artificial limbs, in particular to a damping artificial limb receiving cavity, which comprises an outer sleeve, wherein an inner cavity is formed in the outer sleeve, a silica gel cushion layer is arranged at the inner wall of the inner cavity, the bottom end of the outer sleeve is fixedly connected with a sleeve, and a movable column is movably sleeved in the sleeve; the damping spring is fixedly connected to the top end of the movable column, and the top end of the damping spring is fixedly connected to the inner top end of the sleeve. According to the utility model, the damping spring, the damping sleeve and the damping strip are matched for use, when the amputation end is forced, the sleeve is driven by the outer sleeve to press down, the damping spring in the sleeve is compressed when the sleeve is pressed down, meanwhile, after the damper arranged between the sleeve and the movable column is matched with the damping spring, the purpose of damping is achieved, further, the amputation end is damped and protected, and when the damping spring is compressed, the sleeve and the movable column synchronously slide, the damping sleeve on the inner wall of the sleeve and the damping strip on the outer wall of the movable column synchronously slide, so that the rebound force of the compressed damping spring can be relieved.

Description

Damping artificial limb receiving cavity

Technical Field

The utility model relates to the technical field of artificial limbs, in particular to a damping artificial limb receiving cavity.

Background

The artificial limb is an artificial prosthesis specially designed and manufactured for compensating the limb of the amputee or the limb with incomplete defect, is also called as an artificial limb, and has the main function of replacing partial functions of the limb, so that the amputee can recover certain life self-care and working capacity, and the artificial limb is applicable to amputees with the reasons of diseases, traffic accidents, industrial injury accidents, sports injuries and the like;

the prosthetic limb comprises accepting cavity, connecting pipe and sole, and wherein accepting cavity is used for cup jointing limbs amputation end, because limbs amputation end shock resistance is weak, and amputation end frequently extrudees accepting cavity when walking can make amputation end swelling pain to influence the user and wear, however current common prosthetic socket on the market only sets up one deck silica gel cushion at the inner wall, leads to its whole shock attenuation effect limited like this, and we propose a shock attenuation prosthetic socket for this reason.

Disclosure of Invention

The present utility model aims to provide a shock absorbing prosthetic socket to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a shock absorbing prosthetic socket, the shock absorbing prosthetic socket comprising

The inner part of the outer sleeve is provided with an inner cavity, the inner wall of the inner cavity is provided with a silica gel cushion layer, the bottom end of the outer sleeve is fixedly connected with a sleeve, and a movable column is movably sleeved in the sleeve;

damping spring, damping spring fixed connection is in the top of movable column, damping spring's top fixed connection is in telescopic inside top, limit groove has all been seted up to telescopic inner wall and movable column's outer wall, the joint has the damping sleeve in the limit groove of sleeve inner wall, the joint has the damping strip in the limit groove of movable column outer wall, the equal threaded connection in telescopic bottom and movable column's top has the shutoff ring, fixed mounting has the attenuator between movable column and the telescopic inboard.

Preferably, the middle part of the bottom end of the damping spring is fixedly connected with an inner cylinder, the middle part of the top end of the damping spring is fixedly connected with a positioning column, and the positioning column is movably connected with the inner cylinder;

preferably, the outer side of the bottom end of the positioning column is fixedly connected with an anti-drop ring, an anti-drop groove is formed in the inner wall of the inner cylinder, and the anti-drop ring is movably connected with the anti-drop groove;

preferably, the bottom end of the movable column is fixedly connected with a connecting cylinder, and a plurality of mounting holes are penetrated and formed in the outer wall of the connecting cylinder;

preferably, a rubber layer is fixedly connected to the inner wall of the outer sleeve;

preferably, a rigid layer is arranged between the rubber layer and the silica gel cushion layer;

preferably, the top end opening of the outer sleeve is smooth.

Compared with the prior art, the utility model has the beneficial effects that:

1. this shock attenuation artificial limb accepting cavity uses through damping spring, damping cover and damping strip cooperation, when amputation end is hard, the overcoat drives the sleeve and pushes down, compresses inside damping spring when the sleeve pushes down, and the attenuator that sets up between sleeve and the movable column simultaneously cooperates the back with damping spring, plays absorbing purpose, and then carries out shock attenuation protection to amputation end, and during damping spring compression, sleeve and movable column synchronous slip, the damping cover of sleeve inner wall and the damping strip synchronous slip of movable column outer wall, and the rebound force after the damping spring compression can be slowed down towards like this.

2. This shock attenuation artificial limb accepting cavity uses through the cooperation between inner tube, reference column, anticreep ring and the anticreep groove, when damping spring compression, the inner tube and the reference column swing joint on movable column top can avoid causing the horizontal hunting when sleeve and movable column slip like this to improve structural stability, swing joint between anticreep groove and the anticreep ring simultaneously can avoid breaking away from between inner tube and the reference column.

Drawings

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic overall sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a jacket; 2. an inner cavity; 3. a silica gel cushion layer; 4. a sleeve; 5. a movable column; 6. a damping spring; 7. a side groove; 8. a damping sleeve; 9. damping strips; 10. a plugging ring; 11. an inner cylinder; 12. positioning columns; 13. anti-slip ring; 14. an anti-drop groove; 15. a connecting cylinder; 16. a mounting hole; 17. a rubber layer; 18. a rigid layer; 19. a damper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a shock attenuation prosthetic socket, the utility model provides a damping prosthetic socket includes overcoat 1, the inside of overcoat 1 is provided with inner chamber 2, inner wall department of inner chamber 2 is provided with silica gel bed course 3, the bottom fixedly connected with sleeve 4 of overcoat 1, movable post 5 has been cup jointed to the inside activity of sleeve 4, damping spring 6 fixed connection is in the top of movable post 5, the top fixed connection of damping spring 6 is in the inside top of sleeve 4, limit groove 7 has all been seted up to inner wall of sleeve 4 and the outer wall of movable post 5, the joint has damping sleeve 8 in the limit groove 7 of sleeve 4 inner wall, the joint has damping strip 9 in the limit groove 7 of movable post 5 outer wall, the bottom of sleeve 4 and the top of movable post 5 all threaded connection have shutoff ring 10, fixedly mounted damper 19 between movable post 5 and the inboard of sleeve 4, when this device is in use, with connecting tube 15 and prosthetic connection pass through bolt fixed connection, then cup joint shank amputation part in inner chamber 2, when amputation end, sleeve 4 is driven to press down to sleeve 1, the inside damping spring 6 is compressed when sleeve 4 pushes down, simultaneously, the buffer 19 that sets up between sleeve 4 and movable post 5 and the damping strip 6, and the purpose of damping strip 6 is compressed synchronously, and the damping sleeve 6 can be played to the compression spring 6, and the damping strip is compressed to the damping sleeve 6, and the damping strip is used to the damping sleeve 6 is synchronous to the end, and the damping sleeve 6 is compressed in the time, and the damping sleeve 6 is compressed;

as shown in fig. 4, the middle part of the bottom end of the damping spring 6 is fixedly connected with an inner cylinder 11, the middle part of the top end of the damping spring 6 is fixedly connected with a positioning column 12, the positioning column 12 is movably connected with the inner cylinder 11, the outer side of the bottom end of the positioning column 12 is fixedly connected with an anti-drop ring 13, the inner wall of the inner cylinder 11 is provided with an anti-drop groove 14, the anti-drop ring 13 is movably connected with the anti-drop groove 14, when the damping spring 6 is compressed, the inner cylinder 11 at the top end of the movable column 5 is movably connected with the positioning column 12, so that left and right swinging caused by sliding of the sleeve 4 and the movable column 5 can be avoided, the structural stability is improved, meanwhile, the anti-drop groove 14 is movably connected with the anti-drop ring 13, and separation between the inner cylinder 11 and the positioning column 12 can be avoided;

as shown in fig. 4, the bottom end of the movable column 5 is fixedly connected with a connecting tube 15, a plurality of mounting holes 16 are penetrated and formed in the outer wall of the connecting tube 15, and the top end of the artificial limb connecting tube is sleeved in the connecting tube 15 during mounting and then fixedly connected by using bolts;

as shown in fig. 2, the rubber layer 17 is fixedly connected to the inner wall of the outer sleeve 1, and the rubber layer 17 can play a role in buffering when the outer sleeve 1 is impacted by the outside;

as shown in fig. 2, a rigid layer 18 is arranged between the rubber layer 17 and the silica gel cushion layer 3, and the rigid layer 18 can improve the overall structural strength of the receiving cavity, so that the amputation end can be supported conveniently;

when the damping artificial limb receiving cavity is used, the connecting tube 15 is fixedly connected with the artificial limb connecting tube through the bolts, then the leg amputation part is sleeved in the inner cavity 2, when the amputation end is forced, the sleeve 1 drives the sleeve 4 to be pressed down, the damping spring 6 inside the sleeve 4 is compressed when the sleeve 4 is pressed down, meanwhile, after the damper 19 arranged between the sleeve 4 and the movable column 5 is matched with the damping spring 6, the damping purpose is achieved, further, the amputation end is damped and protected, and when the damping spring 6 is compressed, the sleeve 4 and the movable column 5 synchronously slide, the damping sleeve 8 on the inner wall of the sleeve 4 and the damping strip 9 on the outer wall of the movable column 5 synchronously slide, so that the rebound force after the damping spring 6 is compressed can be relieved, when the damping spring 6 is compressed, the inner cylinder 11 on the top end of the movable column 5 is movably connected with the positioning column 12, the left and right swinging caused when the sleeve 4 and the movable column 5 slide can be avoided, the structural stability is improved, meanwhile, the movable connection between the anti-falling groove 14 and the anti-falling ring 13 can be prevented from falling off between the inner cylinder 11 and the positioning column 12.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A shock absorbing prosthetic socket, characterized by: the shock absorbing prosthetic socket comprises

The coat (1), the inside of coat (1) is provided with an inner cavity (2), the inner wall of the inner cavity (2) is provided with a silica gel cushion layer (3), the bottom end of the outer sleeve (1) is fixedly connected with a sleeve (4), and a movable column (5) is movably sleeved in the sleeve (4);

damping spring (6), damping spring (6) fixed connection is in the top of movable column (5), damping spring (6)'s top fixed connection is in sleeve (4) inside top, limit groove (7) have all been seted up to sleeve (4) inner wall and movable column (5) outer wall, joint has damping sleeve (8) in sleeve (4) inner wall's limit groove (7), joint has damping strip (9) in movable column (5) outer wall's limit groove (7), the equal threaded connection in bottom of sleeve (4) and movable column (5) top has shutoff ring (10), fixed mounting has attenuator (19) between the inboard of movable column (5) and sleeve (4).

2. A shock absorbing prosthetic socket as claimed in claim 1, wherein: the damping spring is characterized in that an inner cylinder (11) is fixedly connected to the middle of the bottom end of the damping spring (6), a positioning column (12) is fixedly connected to the middle of the top end of the damping spring (6), and the positioning column (12) is movably connected with the inner cylinder (11).

3. A shock absorbing prosthetic socket as claimed in claim 2, wherein: the anti-drop ring (13) is fixedly connected to the outer side of the bottom end of the positioning column (12), an anti-drop groove (14) is formed in the inner wall of the inner cylinder (11), and the anti-drop ring (13) is movably connected with the anti-drop groove (14).

4. A shock absorbing prosthetic socket as claimed in claim 1, wherein: the bottom end of the movable column (5) is fixedly connected with a connecting cylinder (15), and a plurality of mounting holes (16) are formed in the outer wall of the connecting cylinder (15) in a penetrating mode.

5. A shock absorbing prosthetic socket as claimed in claim 1, wherein: the inner wall of the outer sleeve (1) is fixedly connected with a rubber layer (17).

6. The shock absorbing prosthetic socket of claim 5, wherein: a rigid layer (18) is arranged between the rubber layer (17) and the silica gel cushion layer (3).

7. A shock absorbing prosthetic socket as claimed in claim 1, wherein: the top end opening of the outer sleeve (1) is smooth.