Locking device for connecting silicon rubber case and artificial limb

Abstract

The utility model discloses a locking device for connecting a silicon rubber case and an artificial limb, which comprises a base, a rotating ring is rotatably arranged on the base, a gear ring is arranged in the rotating ring, a plurality of gears are meshed on the gear ring, the plurality of gears are all rotatably arranged on the base, a screw rod is arranged at the top of the gear, a movable block is in threaded connection with the screw rod, and the movable block is in threaded connection with the silicon rubber case. The movable blocks are connected with the same positioning ring, an artificial limb body and a silicon rubber case are installed on the base, the silicon rubber case is located in the artificial limb body, a rigid connecting plate is installed outside the silicon rubber case and located between the artificial limb body and the silicon rubber case, a positioning groove is formed in the rigid connecting plate, and the positioning ring is matched with the positioning groove. The mode is easy and efficient to operate, locking between the silica gel sleeve and the artificial limb body can be achieved without depending on an external tool, and the practicability of the device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of artificial limb, especially to a locking device for connecting a silica gel sleeve and an artificial limb. BACKGROUND

[0002] An artificial limb is a kind of artificial body specially designed and manufactured by engineering technology and method to compensate for the limbs of amputees or incomplete limb defects. It is also called "prosthetic limb". Its main function is to replace the lost part of the body and restore the self-care and work ability of amputees. Its application object is amputees due to diseases, traffic accidents, work accidents, sports injuries, etc.

[0003] The utility model discloses a locking device for connecting silica gel sleeve and artificial limb discloses the utility model discloses a locking device for connecting silica gel sleeve and artificial limb, including upper connecting plate and connecting ring, the outside of upper connecting plate is equipped with the clamping groove, and the lower end of upper connecting plate is fixed with the guide screw rod, the outside of guide screw rod is sequentially provided with first adjusting nut, lower connecting plate and second adjusting nut from top to bottom, and the lower of lower connecting plate is sequentially fixed with mounting block and positioning rod from inside to outside, the outside of mounting block is provided with artificial limb connecting block, and mounting block is provided with pin rod, the upper of upper connecting plate is sequentially provided with left hoop and right hoop from left to right, and the front end of right hoop is installed with the pivot. The locking device for connecting silica gel sleeve and artificial limb compared with prior art ordinary locking device, the connection is more firm, and it is not easy to shake, avoids falling off, adjusts the position of upper connecting plate conveniently, carries out fine adjustment, makes the artificial limb adapt to patients, and the patient walks conveniently, and the artificial limb is convenient to install and disassemble.

[0004] The locking device needs to adjust the connecting screw rod and the locking nut to hold the left hoop, which needs to be completed by a special tool during operation. The user is limited by the special tool and cannot adjust it in real time, which is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a locking device for connecting silica gel sleeve and artificial limb to solve the problem that the user is limited by the special tool and cannot adjust it in real time, which is inconvenient to use.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a locking device for connecting silica gel cover and artificial limb, including the base, the base is rotatably installed with the rotating ring, the inside installation of rotating ring has the gear ring, a plurality of gears are engaged on the gear ring, a plurality of gears are rotatably installed on the base, and the top of gear is installed with the lead screw, the floating block is connected with the same positioning ring on a plurality of floating blocks, the base is installed with artificial limb body and silica gel cover, and the silica gel cover is in the inside of artificial limb body, and the outside of silica gel cover is installed with rigid connecting plate, and rigid connecting plate is between artificial limb body and silica gel cover, and the positioning groove is set up on rigid connecting plate, and the positioning ring is adapted to the positioning groove.

[0007] Preferably, a plurality of the floating block is set up with the threaded hole, and the floating block is screwed on the corresponding lead screw through the threaded hole.

[0008] Preferably, the base is set up with the rotating groove, and the bottom of rotating ring is installed with a plurality of connecting blocks, and the connecting block is slidably fitted in the rotating groove.

[0009] Preferably, the base is installed with a plurality of U-shaped support plates, and the number of U-shaped support plates corresponds to the number of gears, and the gear is below the corresponding U-shaped support plate, and the lead screw above the gear is screwed with the floating block through the U-shaped support plate.

[0010] Preferably, the bottom outer curved surface of the artificial limb body is set up with the first connecting groove, and the size of the first connecting groove is adapted to the size of the rotating ring.

[0011] Preferably, the bottom of the artificial limb body is set up with a plurality of second connecting grooves, and the position of the second connecting groove corresponds to the position of a plurality of gears.

[0012] Preferably, a plurality of third connecting grooves are set up on the inner wall of the artificial limb body, and the plurality of third connecting grooves correspond to the position of the gear, and the size of the third connecting groove is adapted to the floating block, and the height is adapted to the lead screw.

[0013] The utility model has the advantages that:

[0014] In the utility model, by rotating the rotating ring, the rotating ring rotates to make the gear ring on it rotate synchronously, and then drive a plurality of gears meshing with the gear ring to rotate, so as to drive the lead screw on a plurality of gears to rotate, make the floating block drive the positioning ring to move upwards along the vertical direction synchronously, until the positioning ring is inserted into the positioning groove, and the top of the two is in contact with each other, so as to indirectly achieve the purpose of connecting and locking the artificial limb body and the silica gel cover through the connection between the positioning ring and the rigid connecting plate. This method is simple and efficient, and can realize the locking between the silica gel cover and the artificial limb body without relying on external tools, effectively improving the practicability of the device. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a locking device for connecting a silicone sleeve and a prosthesis, as proposed in this utility model.

[0016] Figure 2 This is a schematic diagram of the moving block and positioning ring of a locking device for connecting a silicone sleeve and a prosthesis, as proposed in this utility model.

[0017] Figure 3 This is a side cross-sectional view of a locking device for connecting a silicone sleeve and a prosthesis, as proposed in this utility model.

[0018] Figure 4 This is a top cross-sectional view of the prosthesis body and the second connecting groove of a locking device for connecting a silicone sleeve and a prosthesis, as proposed in this utility model.

[0019] Figure 5 This is a top cross-sectional view of the prosthesis body and the third connecting groove of a locking device for connecting a silicone sleeve and a prosthesis, as proposed in this utility model.

[0020] In the diagram: 1. Base; 2. Rotating ring; 3. Gear ring; 4. Gear; 5. Lead screw; 6. Moving block; 7. Positioning ring; 8. Prosthetic body; 9. Silicone sleeve; 10. Rigid connecting plate; 11. Positioning groove; 12. Threaded hole; 13. Rotating groove; 14. Connecting block; 15. U-shaped support plate; 16. First connecting groove; 17. Second connecting groove; 18. Third connecting groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-5 A locking device for connecting a silicone sleeve and a prosthesis includes a base 1, a rotating ring 2 rotatably mounted on the base 1, a gear ring 3 installed inside the rotating ring 2, a plurality of gears 4 meshing on the gear ring 3, the plurality of gears 4 being rotatably mounted on the base 1, and a lead screw 5 mounted on the top of the gears 4, a moving block 6 threadedly connected to the lead screw 5, and a positioning ring 7 connected to the plurality of moving blocks 6, a prosthesis body 8 and a silicone sleeve 9 mounted on the base 1, the silicone sleeve 9 being inside the prosthesis body 8, and a rigid connecting plate 10 mounted outside the silicone sleeve 9, the rigid connecting plate 10 being between the prosthesis body 8 and the silicone sleeve 9, and a positioning groove 11 being formed on the rigid connecting plate 10, the positioning ring 7 being adapted to the positioning groove 11.

[0023] When it is necessary to lock the silicone sleeve 9 on the prosthesis body 8, first, the silicone sleeve 9 is put into the inside of the prosthesis body 8 from the top opening of the prosthesis body 8, and then the user rotates the rotating ring 2, the rotation of the rotating ring 2 synchronously drives the tooth ring 3 on which the rotating ring 2 is clamped to rotate, thereby driving the plurality of gears 4 meshing with the tooth ring 3 to rotate, thereby rotating the plurality of lead screws 5 on the gears 4, so that the moving blocks 6 drive the positioning ring 7 to move upwards along the vertical direction, until the positioning ring 7 is inserted into the positioning groove 11 and the top portions of the two are in contact with each other, thereby indirectly connecting and locking the prosthesis body 8 and the silicone sleeve 9 through the connection between the positioning ring 7 and the rigid connecting plate 10. This mode is simple and efficient, and can realize the locking between the silicone sleeve 9 and the prosthesis body 8 without relying on external tools, thereby effectively improving the practicability of the device.

[0024] Specifically, in the embodiment, a plurality of threaded holes 12 are formed in the moving blocks 6, and the moving blocks 6 are threadedly connected to the corresponding lead screws 5 through the threaded holes 12, so that when the lead screws 5 rotate, the moving blocks 6 can move synchronously with the lead screws 5 through the threaded holes 12, thereby indirectly driving the positioning ring 7 to move by the lead screws 5.

[0025] Specifically, in the embodiment, the base 1 is provided with a rotating groove 13, and the bottom of the rotating ring 2 is provided with a plurality of connecting blocks 14 which are slidingly fitted in the rotating groove 13, so that the rotating ring 2 is adaptively and rotatably connected to the base 1 through the connecting blocks 14 and the rotating groove 13, thereby facilitating the user to lock the prosthesis body 8 and the silicone sleeve 9 by rotating the rotating ring 2.

[0026] Specifically, in the embodiment, a plurality of U-shaped support plates 15 are installed on the base 1, the number of the U-shaped support plates 15 corresponds to the number of the gears 4, and the gears 4 are below the corresponding U-shaped support plates 15, the lead screws 5 above the gears 4 pass through the U-shaped support plates 15 and are threadedly connected to the moving blocks 6, so that the U-shaped support plates 15 can isolate the gears 4 and the moving blocks 6, thereby protecting the running state of the gears 4, and the U-shaped support plates 15 can support the moving blocks 6, thereby avoiding the moving blocks 6 directly contacting the gears 4 to affect the movement state of the moving blocks 6.

[0027] Specifically, in the embodiment, a first connecting groove 16 is formed at the bottom outer curved surface of the prosthesis body 8, and the size of the first connecting groove 16 is adapted to the size of the rotating ring 2, so that the outer wall surfaces of the prosthesis body 8 and the rotating ring 2 can be on the same axis through the first connecting groove 16, thereby facilitating the user to control the rotation of the rotating ring 2.

[0028] Specifically, in the embodiment, the bottom of the prosthesis body 8 is provided with a plurality of second connecting grooves 17, the positions of the second connecting grooves 17 correspond to the positions of the plurality of gears 4, so that the plurality of gears 4 can be engaged with the tooth ring 3 through the corresponding second connecting grooves 17, thereby achieving the purpose of rotating the gears 4 driven by the tooth ring 3.

[0029] Specifically, in the embodiment, the inner wall of the prosthesis body 8 is provided with a plurality of third connecting grooves 18, the plurality of third connecting grooves 18 correspond to the positions of the gears 4, and the size of the third connecting grooves 18 is suitable for the moving block 6, and the height of the third connecting grooves 18 is suitable for the lead screw 5, so that when the lead screw 5 drives the moving block 6 to move, the moving block 6 can move along the wall surface of the prosthesis body 8 through the corresponding third connecting grooves 18, thereby limiting the moving block 6, avoiding the rotating of the moving block 6 under the rotating condition of the lead screw 5, and causing the prosthesis body 8 and the silica gel sleeve 9 to fail to be locked.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A locking device for connecting a silicone sleeve and a prosthesis, comprising a base (1), characterized in that: The base (1) is provided with a rotating ring (2), the inside of the rotating ring (2) is provided with a gear ring (3), the gear ring (3) is provided with a plurality of gears (4), the plurality of gears (4) are rotatably installed on the base (1), and the top of the gear (4) is provided with a screw rod (5), the screw rod (5) is provided with a moving block (6), the plurality of moving blocks (6) are connected with the same positioning ring (7), the base (1) is provided with a prosthesis body (8) and a silica gel sleeve (9), the silica gel sleeve (9) is inside the prosthesis body (8), and the outside of the silica gel sleeve (9) is provided with a rigid connecting plate (10), the rigid connecting plate (10) is between the prosthesis body (8) and the silica gel sleeve (9), and the rigid connecting plate (10) is provided with a positioning groove (11), and the positioning ring (7) is matched with the positioning groove (11).

2. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: A plurality of the moving blocks (6) are provided with threaded holes (12), and the moving blocks (6) are threadedly connected to the corresponding screw rods (5) through the threaded holes (12).

3. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: The base (1) is provided with a rotating groove (13), and the bottom of the rotating ring (2) is provided with a plurality of connecting blocks (14) which are slidably matched in the rotating groove (13).

4. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: The base (1) is provided with a plurality of U-shaped supporting plates (15), the number of the U-shaped supporting plates (15) corresponds to the number of the gears (4), and the gears (4) are below the corresponding U-shaped supporting plates (15), and the screw rods (5) above the gears (4) pass through the U-shaped supporting plates (15) and are threadedly connected with the moving blocks (6).

5. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: The bottom outer curved surface of the prosthesis body (8) is provided with a first connecting groove (16), and the size of the first connecting groove (16) is matched with the size of the rotating ring (2).

6. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: The bottom of the prosthesis body (8) is provided with a plurality of second connecting grooves (17), and the positions of the second connecting grooves (17) correspond to the positions of the plurality of gears (4).

7. A locking device for connecting a silicone sleeve and a prosthesis according to claim 1, characterized in that: The inner wall of the prosthesis body (8) is provided with a plurality of third connecting grooves (18), the plurality of third connecting grooves (18) correspond to the positions of the gears (4), and the size of the third connecting groove (18) is matched with the moving block (6), and the height of the third connecting groove (18) is matched with the screw rod (5).

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