Rapid replacement and disassembly structure for artificial limb joint

Abstract

The utility model discloses an artificial limb joint quick replacing and dismounting structure which comprises a mother seat and a son seat which are installed at the lower end of an artificial limb receiving cavity, an inserting block is formed at the upper end of the son seat, a limiting groove is formed in the outer wall of the inserting block, a steel ball assembling groove is formed in the lower end of the mother seat, and a steel ball is arranged in the steel ball assembling groove. After the inserting block is inserted into the lower end of the female base, one part of the steel ball can be jacked into the limiting groove, then the inserting block is fixed to the lower end of the female base, a steel ball locking piece capable of jacking one part of the steel ball into the limiting groove is arranged on the female base, the steel ball locking piece is annularly arranged, and an avoiding notch is formed in the inner wall of the steel ball locking piece. The steel ball locking piece is sleeved on the female seat through the fixing piece; according to the utility model, through the arrangement of the fixing piece, the steel ball locking piece and the steel ball, the quick disassembly and assembly between the primary seat and the secondary seat are realized, so that the disassembly and assembly of the artificial limb joint are quicker.

Description

TECHNICAL FIELD

[0001] The utility model relates to human body artificial limb technical field, especially relates to a quick replacement dismounting structure of artificial limb joint. BACKGROUND

[0002] Human body artificial limb is the means and method of engineering technology, for making up amputee or limb incomplete defect limb and specially designed and made artificial prosthesis assembly, also called "artificial limb", its main function is to replace the part function of losing limb, makes the amputee restore certain life self -help and work ability, and its applicable object is the amputee of disease, traffic accident, work injury, sports trauma and the like.

[0003] In the artificial limb field, the stability and convenience of connecting structure have been the focus of research and development. The traditional artificial limb connecting mode, such as screw fixing, bolt locking and the like, although guarantees the stability of connection to a certain extent, the installation and dismounting process is cumbersome, time-consuming and needs to be assisted by tools, which brings inconvenience to users.

[0004] Therefore, a quick replacement dismounting structure of artificial limb joint is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick replacement dismounting structure of artificial limb joint, so as to solve or at least alleviate one or more of the above problems and other aspects in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the main technical scheme including:

[0007] A quick replacement dismounting structure of artificial limb joint, including the female seat and the female seat of the female seat, the upper end of the female seat is formed and is provided with an insertion block, the outer wall of the insertion block is provided with a limiting groove, the lower end of the female seat is provided with a steel ball assembly groove, the steel ball assembly groove is provided with a steel ball, after the insertion block is inserted in the lower end of the female seat, a part of the steel ball can be inserted into the limiting groove, so as to fix the insertion block in the lower end of the female seat, the female seat is provided with a steel ball locking piece capable of inserting a part of the steel ball into the limiting groove.

[0008] In a quick replacement dismounting structure of artificial limb joint according to the utility model, wherein the steel ball locking piece is annularly arranged, the inner wall of the steel ball locking piece is provided with an avoiding notch, and the steel ball locking piece is sleeved on the female seat through a fixing piece.

[0009] The utility model relates to a kind of artificial limb joint quick replacement dismounting structure, wherein, the fixing piece includes annular sleeve, the annular sleeve is rotationally sleeved on the female seat, the inner wall lower end of the annular sleeve is fixedly connected with the metal protrusion with elasticity, the middle part of the protrusion is equipped with clamping groove, the outer wall of the female seat is formed with annular protrusion, the side of the annular protrusion is formed with clamping head, by rotating the annular sleeve, the clamping head can be clamped into the clamping groove, the steel ball locking piece is fixedly connected at the inner wall lower end of the annular sleeve.

[0010] In a kind of artificial limb joint quick replacement dismounting structure according to the utility model, wherein, the inner wall upper end of the annular sleeve is formed with limiting ring, the bottom of the limiting ring is pressed on the top of the annular protrusion, the top of the steel ball locking piece is against the bottom of the annular protrusion.

[0011] In a kind of artificial limb joint quick replacement dismounting structure according to the utility model, wherein, the outer wall of the annular sleeve is fixedly connected with protective sleeve, anti-skid lines are formed on the outer wall of the protective sleeve.

[0012] In a kind of artificial limb joint quick replacement dismounting structure according to the utility model, wherein, the inner wall lower end of the female seat is formed with positioning block, the outer wall of the plug-in block is equipped with positioning slot, when the plug-in block is inserted into the female seat lower end inside, the positioning block is inserted into the positioning slot.

[0013] In a kind of artificial limb joint quick replacement dismounting structure according to the utility model, wherein, the upper end of the female seat is equipped with external thread.

[0014] In a kind of artificial limb joint quick replacement dismounting structure according to the utility model, wherein, the lower end of the female seat is provided with mounting interface connected with external auxiliary device.

[0015] The utility model at least has following beneficial effects:

[0016] The utility model is fixed by setting fixing piece, steel ball locking piece and steel ball, realizes the quick dismounting between female seat and female seat, so that the dismounting of artificial limb joint is more fast;

[0017] Through the mounting interface set on female seat, different external auxiliary devices can be connected, the amputee is switched in different use scenarios, so that the amputee can more conveniently carry out daily life activities, interface adopts standardization design, with good compatibility and scalability, can be flexibly replaced external device according to the different needs of amputee. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0019] Figure 1 Structure diagram of the quick replacement and dismounting structure of the artificial joint of the utility model;

[0020] Figure 2 Structure diagram of the female seat of the utility model;

[0021] Figure 3 Structure diagram of the female seat of the utility model from another perspective;

[0022] Figure 4 Structure diagram of the male seat of the utility model;

[0023] Figure 5 Structure diagram of the male seat of the utility model from another perspective;

[0024] Figure 6 Structure diagram of the steel ball locking piece of the utility model;

[0025] Figure 7 Connection structure diagram of the fixing piece and the steel ball locking piece of the utility model;

[0026] Figure 8 Structure diagram of the utility model from a cross-sectional view.

[0027] Explanation of the reference signs:

[0028] 1, female seat; 101, steel ball assembly groove; 102, annular protrusion; 1021, clamping head; 103, external thread; 104, positioning block; 2, fixing piece; 201, annular sleeve; 2011, protrusion; 2012, clamping groove; 2013, limiting ring; 3, steel ball locking piece; 301, avoiding notch; 4, male seat; 401, insertion block; 4011, limiting groove; 4012, positioning groove; 402, mounting hole; 5, protective sleeve; 501, anti-skid pattern. DETAILED DESCRIPTION

[0029] The embodiments of the application will be described in detail below with reference to the accompanying drawings and embodiments, so that the implementation process of how the application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0030] Please refer to Figures 1 to 8As shown, the embodiment of the utility model provides a kind of prosthetic joint quick replacement dismounting structure, including the female seat 1 and daughter seat 4 of being installed in the lower end of prosthetic receiving cavity, the upper end of daughter seat 4 is formed and is provided with insert block 401, the outer wall of insert block 401 is opened and is provided with limiting slot 4011, the lower end of female seat 1 is opened with steel ball assembly groove 101, steel ball assembly groove 101 is provided with steel ball, after insert block 401 is inserted in the lower end inside of female seat 1, part of steel ball can be inserted into limiting slot 4011, in turn, insert block 401 is fixed in the lower end of female seat 1, female seat 1 is provided with the steel ball locking piece 3 that part of steel ball can be inserted into limiting slot 4011.

[0031] Wherein, steel ball locking piece 3 is annularly arranged, the inner wall of steel ball locking piece 3 is opened with avoiding notch 301, steel ball locking piece 3 is set on female seat 1 by fixed part 2;

[0032] In the embodiment, fixed part 2 includes annular sleeve 201, annular sleeve 201 is rotatably set on female seat 1, the inner wall lower end of annular sleeve 201 is fixedly connected with the metal protrusion 2011 of elasticity, the middle part of protrusion 2011 is opened with clamping groove 2012, the outer wall of female seat 1 is formed and is provided with annular protrusion 102, the side of annular protrusion 102 is formed and is provided with clamping head 1021, by rotating annular sleeve 201, clamping head 1021 can be inserted into clamping groove 2012, steel ball locking piece 3 is fixedly connected with the inner wall lower end of annular sleeve 201.

[0033] In order to facilitate the rotation of annular sleeve 201 and install on female seat 1, the inner wall upper end of annular sleeve 201 is formed and is provided with limiting ring 2013, the bottom of limiting ring 2013 is pressed on the top of annular protrusion 102, the top of steel ball locking piece 3 is against the bottom of annular protrusion 102, by this setting, can effectively avoid that fixed part 2 is separated from female seat 1.

[0034] In the embodiment, in order to guarantee that steel ball can be accurately inserted into limiting slot 4011, the inner wall lower end of daughter seat 4 is formed and is provided with positioning block 104, the outer wall of insert block 401 is opened with positioning groove 4012, when insert block 401 is inserted into the lower end inside of female seat 1, positioning block 104 is inserted into positioning groove 4012.

[0035] By adopting the technical scheme, when the sub-base 4 is installed, the positioning groove 4012 is aligned with the positioning block 104, and then the plug 401 is inserted into the lower end of the female base 1, when the positioning block 104 is completely inserted into the inside of the positioning groove 4012, the annular sleeve 201 is rotated, the rotating annular sleeve 201 drives the protrusion 2011 to rotate, so that the clamping head 1021 is screwed into the clamping groove 2012, at this time, the clamping groove 2012 limits the clamping head 1021, so that the annular sleeve 201 cannot rotate relative to the female base 1 without external force intervention, at the same time, the inner wall of the steel ball locking piece 3 rotating together with the annular sleeve 201 extrudes the steel ball, so that part of the steel ball is pressed into the limiting groove 4011, thereby completing the installation of the sub-base 4.

[0036] When the sub-base 4 needs to be disassembled, the annular sleeve 201 is rotated by force to separate the protrusion 2011 from the clamping head 1021, the rotating annular sleeve 201 drives the steel ball locking piece 3 to rotate, so that the avoiding notch 301 on the steel ball locking piece 3 is rotated to the steel ball, at this time, the inner wall of the steel ball locking piece 3 releases the extrusion force on the steel ball, and then the sub-base 4 is pulled away from the female base 1, thereby achieving the disassembly of the sub-base 4.

[0037] In order to facilitate the connection of the female base 1 with the lower end of the artificial limb receiving cavity, an external thread 103 is formed in the upper end of the female base 1.

[0038] In the embodiment, the lower end of the sub-base 4 is provided with a mounting interface 402 connected with an external auxiliary device, by the mounting interface 402 arranged on the sub-base 4, different external auxiliary devices can be connected, for example, when the artificial limb joint needs to be used, the artificial limb joint is installed on the mounting interface 402, when other external auxiliary devices such as anti-skid rods need to be used, the sub-base 4 provided with the artificial limb joint is only disassembled from the female base 1, and then the sub-base 4 provided with the anti-skid rod is installed on the female base 1, which is convenient for amputees to switch in different use scenarios, so that the amputees can more conveniently carry out daily life activities, the interface adopts standardized design, has good compatibility and expandability, and can flexibly replace external devices according to different needs of amputees.

[0039] In order to facilitate the rotation of the annular sleeve 201 by the user, the outer wall of the annular sleeve 201 is fixedly connected with a protective sleeve 5, and the outer wall of the protective sleeve 5 is provided with anti-skid lines 501.

[0040] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A prosthetic joint quick exchange disassembly structure, characterized by, The application relates to a female seat (1) and a male seat (4) which are installed at the lower end of a prosthetic receiving cavity, the upper end of the male seat (4) is formed with an insertion block (401), the outer wall of the insertion block (401) is provided with a limiting groove (4011), the lower end of the female seat (1) is provided with a steel ball assembling groove (101), a steel ball is arranged in the steel ball assembling groove (101), after the insertion block (401) is inserted into the female seat (1), a part of the steel ball can be inserted into the limiting groove (4011), thereby fixing the insertion block (401) at the lower end of the female seat (1), and a steel ball locking piece (3) is arranged on the female seat (1) and can insert a part of the steel ball into the limiting groove (4011).

2. The quick-release prosthetic joint disassembly structure of claim 1, wherein: The steel ball locking piece (3) is annularly arranged, the inner wall of the steel ball locking piece (3) is provided with an avoiding notch (301), and the steel ball locking piece (3) is sleeved on the female seat (1) through a fixing piece (2).

3. The quick-release prosthetic joint disassembly structure of claim 2, wherein: The fixing piece (2) comprises an annular sleeve (201), the annular sleeve (201) is rotatably sleeved on the female seat (1), the lower end of the inner wall of the annular sleeve (201) is fixedly connected with a metal protrusion (2011) which is elastic, a clamping groove (2012) is formed in the middle of the protrusion (2011), the outer wall of the female seat (1) is formed with an annular protrusion (102), the side surface of the annular protrusion (102) is formed with a clamping head (1021), the clamping head (1021) can be clamped into the clamping groove (2012) by rotating the annular sleeve (201), and the steel ball locking piece (3) is fixedly connected to the lower end of the inner wall of the annular sleeve (201).

4. The quick-release prosthetic joint disassembly structure of claim 3, wherein: The upper end of the inner wall of the annular sleeve (201) is formed with a limiting ring (2013), the bottom of the limiting ring (2013) is pressed against the top of the annular protrusion (102), and the top of the steel ball locking piece (3) abuts against the bottom of the annular protrusion (102).

5. The quick-release prosthetic joint disassembly structure of claim 4, wherein: The outer wall of the annular sleeve (201) is fixedly connected with a protective sleeve (5), and the outer wall of the protective sleeve (5) is provided with anti-skid lines (501).

6. A quick release prosthetic joint disassembly structure according to claim 5, wherein: The lower end of the inner wall of the male seat (4) is formed with a positioning block (104), the outer wall of the insertion block (401) is provided with a positioning groove (4012), and when the insertion block (401) is inserted into the female seat (1), the positioning block (104) is clamped into the positioning groove (4012).

7. A quick release prosthetic joint disassembly structure according to claim 6, wherein: The upper end of the female seat (1) is provided with an external thread (103).

8. The quick-release prosthetic joint disassembly structure of claim 7, wherein: The lower end of the male seat (4) is provided with a mounting interface (402) which is connected with an external auxiliary device.

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