High-precision positioning pin for medical rehabilitation equipment

Abstract

The utility model relates to the technical field of positioning pins, and discloses a high-precision positioning pin for medical rehabilitation equipment, which comprises a pin sleeve, one end of the pin sleeve is fixedly connected with a mounting sleeve, the upper surface and the lower surface of the pin sleeve are respectively provided with an adjusting slot hole, and the inside of each adjusting slot hole is slidably connected with an adjusting assembly. And a mounting assembly is movably connected into the mounting sleeve in a sleeving manner. According to the high-precision positioning pin for the medical rehabilitation equipment, through the arrangement of the adjusting assembly, when the high-precision positioning pin is used, a limiting bolt is screwed, a limiting rod slides, the position of the limiting rod in an adjusting long hole is changed, after adjustment is completed, the limiting bolt is screwed, the position of an adjusting supporting ring in a pin sleeve is changed, and therefore the free length of a spring is changed, and the elasticity of the spring is changed; and the situation that the precision of the positioning pin is reduced due to the fact that the elasticity of the spring in the high-precision positioning pin is continuously reduced in the using process is avoided, the service life of the spring is prolonged, and the replacement frequency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning pin technical field especially relates to a high-precision positioning pin for medical rehabilitation equipment. BACKGROUND

[0002] Medical rehabilitation equipment refers to the equipment and tools used for treatment, assistance and promotion of patients' recovery of physical functions, especially in the fields of rehabilitation, physiotherapy and nursing. They can help patients recover from physical dysfunction caused by disease, surgery or injury. Common medical rehabilitation equipment includes gait training devices, balance boards, electric exercise bikes and walking aids, etc. In order to adapt to different user groups during use, high-precision positioning pins are usually used, which are parts that participate in limiting the degree of freedom of objects.

[0003] The existing high-precision positioning pin for medical rehabilitation equipment is usually used frequently in actual use, which can cause wear and tear over a long period of time, making it difficult to disassemble and replace the local part, inconvenient to reduce the use cost, and the spring in the high-precision positioning pin will continuously decrease in elasticity during use, resulting in a decrease in the precision of the positioning pin and an inconvenience to prolong the service life of the spring. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The utility model aims at providing a high-precision positioning pin for medical rehabilitation equipment to solve the problem of difficulty in disassembling and replacing the local part of the positioning pin, inconvenience in reducing the use cost and inconvenience in prolonging the service life of the spring.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a high-precision positioning pin for medical rehabilitation equipment, comprising a pin sleeve, the pin sleeve is fixedly connected with a mounting sleeve at one end, the upper surface and the lower surface of the pin sleeve are both provided with an adjusting long hole, the inside of the adjusting long hole is slidably connected with an adjusting assembly, the inside of the mounting sleeve is movably sleeved with a mounting assembly,

[0008] The adjusting assembly comprises a limiting rod slidably connected in the adjusting long hole, the bottom end of the limiting rod is fixedly connected with an adjusting support ring, and the surface of the limiting rod is provided with a through hole;

[0009] The mounting assembly comprises a sliding rod slidably sleeved in the mounting sleeve, the surface of one end of the sliding rod is provided with a replacement hole, the inside of the replacement hole is screwedly connected with a connecting column, the top end of the connecting column is fixedly connected with a handle rod, and one end of the sliding rod is fixedly connected with a threaded column.

[0010] As a further scheme of the utility model, the inner wall of the adjusting support ring is provided with a plurality of sliding holes, and the sliding holes are rotatably connected with the ball bearings, so that the sliding rod can be kept smooth during movement.

[0011] As a further scheme of the utility model, the sliding rod is arranged in the interior of the adjusting support ring, and the surface of the sliding rod is matched with the ball bearings, so that the adjusting support ring can limit the free length of the spring.

[0012] As a further scheme of the utility model, the outer side of the adjusting long hole is fixedly connected with a limiting clamping strip, the inner bottom wall of the limiting clamping strip is provided with a plurality of fixing holes, the interior of the fixing holes is threadedly connected with a limiting bolt, and the limiting bolt is arranged in the interior of the through hole, so that the limiting bolt can be limited.

[0013] As a further scheme of the utility model, the surface of the pin sleeve is provided with a limiting clamping groove, the diameter of the limiting clamping groove is matched with the handle rod, and the handle rod can adjust the position of the positioning pin rod in the installation sleeve.

[0014] As a further scheme of the utility model, one end of the threaded column is threadedly connected with a positioning pin rod, the surface of one end of the positioning pin rod is provided with a limiting groove, the interior of the limiting groove is clamped with a spring, one end of the spring is abutted with one side of the adjusting support ring, and the positioning pin rod can be limited and adjusted.

[0015] As a further scheme of the utility model, the surface of the installation sleeve is provided with a threaded tooth, and the interior of the threaded tooth is engaged with an installation cap, so that the high-precision positioning pin can be installed in the medical rehabilitation equipment.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of high-precision positioning pin for medical rehabilitation equipment, with following beneficial effects:

[0018] 1、the high-precision positioning pin for medical rehabilitation equipment, by the setting of adjusting assembly, when using, limit bolt is screwed, sliding limiting rod is slid, the position of limiting rod in adjusting long hole is changed, after adjusting, limit bolt is tightened, adjusting support ring is changed position in the interior of pin sleeve, so that the free length of spring is changed, so that the elastic effect is changed, avoid the spring in high-precision positioning pin, because elasticity will be continuously reduced in use, leading to the precision of positioning pin reduces, it is helpful to prolong the service life of spring, reduce replacement frequency.

[0019] 2. The high-precision positioning pin for medical rehabilitation equipment, through the setting of the installation assembly, when the high-precision positioning pin needs to be disassembled and maintained, the handle rod can be taken off, and the sliding rod can be disassembled from the inside of the installation sleeve by rotating the connecting column, when the positioning pin rod needs to be replaced, the positioning pin rod can be disassembled from the threaded column by rotating the positioning pin rod, so that the high-precision positioning pin can be conveniently disassembled and replaced, and the high-precision positioning pin of the medical rehabilitation equipment is prevented from being frequently used, long-time use can cause wear, and the positioning pin rod is difficult to disassemble and replace, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is an installation cap structure schematic view of the utility model;

[0022] Fig. 3 It is a whole split structure schematic view of the utility model;

[0023] Fig. 4 It is an adjusting assembly structure schematic view of the utility model.

[0024] In the drawing: 1, pin sleeve; 2, installation sleeve; 3, adjusting long hole; 4, adjusting assembly; 401, limiting rod; 402, adjusting support ring; 5, installation assembly; 501, sliding rod; 502, connecting column; 503, handle rod; 504, threaded column; 6, ball; 7, limiting clamping strip; 8, limiting bolt; 9, limiting clamping groove; 10, positioning pin rod; 11, spring; 12, installation cap. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a high-precision positioning pin for medical rehabilitation equipment, including pin sleeve 1, pin sleeve 1 one end is fixedly connected with installation sleeve 2, the upper surface and the lower surface of pin sleeve 1 are all set with adjusting long hole 3, adjusting long hole 3 is slidably connected with adjusting assembly 4 in the inside, the inside of installation sleeve 2 is movably sleeved with installation assembly 5,

[0027] The adjusting assembly 4 comprises a limiting rod 401 slidably connected in the adjusting long hole 3, the bottom end of the limiting rod 401 is fixedly connected with an adjusting support ring 402, and a through hole is formed in the surface of the limiting rod 401. Through the adjusting assembly 4, when in use, the limiting pin 8 is screwed, the limiting rod 401 is slid, the position of the limiting rod 401 in the adjusting long hole 3 is changed, after the adjustment is completed, the limiting pin 8 is tightened, and the adjusting support ring 402 changes the position in the inside of the pin sleeve 1, so that the free length of the spring 11 is changed, the elastic effect is changed, the spring 11 in the high-precision positioning pin is avoided from being continuously reduced in elasticity during use, the precision of the positioning pin is reduced, the service life of the spring 11 is prolonged, and the replacement frequency is reduced.

[0028] The mounting assembly 5 comprises a sliding rod 501 slidably sleeved in the mounting sleeve 2, a replacement hole is formed in the surface of one end of the sliding rod 501, a connecting column 502 is screwedly connected in the inside of the replacement hole, a handle rod 503 is fixedly connected to the top end of the connecting column 502, a threaded column 504 is fixedly connected to one end of the sliding rod 501, and the threaded column 504 is arranged in the mounting sleeve 2. Through the mounting assembly 5, when the high-precision positioning pin needs to be disassembled and maintained, the connecting column 502 is rotated, the handle rod 503 is removed, and the sliding rod 501 is disassembled from the inside of the mounting sleeve 2. When the positioning pin rod 10 needs to be replaced, the positioning pin rod 10 is rotated and disassembled from the threaded column 504, so that the high-precision positioning pin is conveniently disassembled and replaced, the high-precision positioning pin of the medical rehabilitation equipment is avoided from being frequently used, long-time use causes abrasion, the positioning pin rod 10 is difficult to disassemble and replace, and use cost is reduced.

[0029] A plurality of sliding holes are formed in the inner wall of the adjusting support ring 402, and a ball 6 is rotatably connected in the inside of the sliding hole. Through the arrangement of the ball 6, the sliding rod 501 is kept smooth during movement.

[0030] The sliding rod 501 penetrates into the inside of the adjusting support ring 402, the surface of the sliding rod 501 is matched with the ball 6, and the adjusting support ring 402 is arranged to limit the free length of the spring 11.

[0031] One side, outside the adjusting long hole 3, is fixedly connected with a limiting clamping strip 7, a plurality of fixing holes are formed in the inner bottom wall of the limiting clamping strip 7, and a limiting pin 8 is screwedly connected in the inside of the fixing hole. The limiting pin 8 penetrates into the inside of the through hole. Through the arrangement of the limiting pin 8, the limiting clamping strip 7 and the limiting rod 401 are fixed.

[0032] The surface of the pin sleeve 1 is provided with a limiting clamping groove 9, the diameter of the limiting clamping groove 9 is matched with the handle rod 503, and the limiting clamping groove 9 is arranged to limit.

[0033] One end of the threaded column 504 is threadedly connected with a positioning pin rod 10, a limit groove is formed in the surface of one end of the positioning pin rod 10, a spring 11 is clamped in the limit groove, one end of the spring 11 abuts against one side of the adjusting support ring 402, and the positioning pin rod 10 is arranged to limit and adjust.

[0034] The surface of the mounting sleeve 2 is provided with a threaded tooth, and the threaded tooth is engaged with a mounting cap 12, and the mounting sleeve 2 and the mounting cap 12 are arranged to mount the high-precision positioning pin on the medical rehabilitation equipment.

[0035] In the utility model, the working steps of the device are as follows:

[0036] The first step is that, in use, the limiting bolt 8 is screwed, the limiting rod 401 is slid, the position of the limiting rod 401 in the adjusting long hole 3 is changed, after adjustment, the limiting bolt 8 is tightened, the adjusting support ring 402 is changed in position in the inside of the pin sleeve 1, and the free length of the spring 11 is changed.

[0037] The second step is that, in use, in the dismounting and maintaining process of the high-precision positioning pin, the connecting column 502 is rotated, the handle rod 503 is taken off, and the sliding rod 501 is dismounted from the inside of the mounting sleeve 2, when the positioning pin rod 10 needs to be replaced, the positioning pin rod 10 is rotated and dismounted from the threaded column 504.

[0038] The standard parts used can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through the technical manual or through the conventional experimental method.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-precision positioning pin for medical rehabilitation equipment, comprising a pin sleeve (1), characterized in that: One end of the pin sleeve (1) is fixedly connected to the mounting sleeve (2). The upper and lower surfaces of the pin sleeve (1) are provided with adjustment elongated holes (3). The interior of the adjustment elongated holes (3) is slidably connected to the adjustment component (4). The interior of the mounting sleeve (2) is movably fitted with the mounting component (5). The adjustment component (4) includes a limiting rod (401) that is slidably connected inside the adjustment elongated hole (3). The bottom end of the limiting rod (401) is fixedly connected to an adjustment support ring (402). A through hole is provided on the surface of the limiting rod (401). The mounting assembly (5) includes a sliding rod (501) that is slidably sleeved inside the mounting sleeve (2). A replacement hole is provided on the surface of one end of the sliding rod (501). A connecting post (502) is threaded into the inside of the replacement hole. A handle (503) is fixedly connected to the top of the connecting post (502). A threaded post (504) is fixedly connected to one end of the sliding rod (501).

2. The high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: The inner wall of the adjusting support ring (402) is provided with a plurality of sliding holes, and ball bearings (6) are rotatably connected inside the sliding holes.

3. The high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: The sliding rod (501) passes through the interior of the adjusting support ring (402), and the surface of the sliding rod (501) is adapted to the ball (6).

4. A high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: A limiting strip (7) is fixedly connected to one side of the outside of the adjusting elongated hole (3). The inner bottom wall of the limiting strip (7) is provided with several fixing holes. A limiting bolt (8) is threadedly connected inside the fixing hole. The limiting bolt (8) passes through the inside of the through hole.

5. A high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: The pin sleeve (1) is provided with a limiting groove (9) on its surface, and the diameter of the limiting groove (9) is adapted to the handle rod (503).

6. A high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: One end of the threaded column (504) is threadedly connected to a positioning pin (10). A limiting groove is formed on the surface of one end of the positioning pin (10). A spring (11) is engaged inside the limiting groove. One end of the spring (11) abuts against one side of the adjusting support ring (402).

7. A high-precision positioning pin for medical rehabilitation equipment according to claim 1, characterized in that: The surface of the mounting sleeve (2) is provided with threaded teeth, and the mounting cap (12) is engaged inside the threaded teeth.

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