Autonomous rapid replacement device for artificial limb auxiliary tool
By designing an autonomous and rapid prosthetic tool replacement device, which utilizes a connecting rod, control pedal, and self-locking block, the problem of difficult tool hand replacement is solved, enabling rapid replacement of prosthetic tools and improving the self-care ability of people with disabilities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-03-24
AI Technical Summary
The existing tool hand has problems with the trouble and difficulty of changing assistive tools during the replacement process, especially for disabled people who have lost both hands, it is difficult to change prosthetic assistive tools independently and quickly.
An autonomous and rapid prosthetic tool changing device was designed. By setting up a connecting rod, control pedal, irregularly shaped slide bar and self-locking block, it can realize the rapid locking and separation between the arm connection end and the prosthesis body. Compression spring and return spring are used to ensure the convenience and stability of operation.
It enables the autonomous and rapid replacement of prosthetic assistive devices, improves the ease of operation and safety for people with disabilities, reduces dependence on the other hand, and enhances their ability to live independently.
Smart Images
Figure CN224023747U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a technical field of artificial limb, specifically to a self -help quick replacement device for artificial limb auxiliary tool. BACKGROUND
[0002] Artificial limb is a kind of artificial body specially designed and made by engineering technology and method to make up for the amputee or the limb of incomplete defect, also called "prosthetic limb". Its main function is to replace the lost part of the body, so that the amputee restores certain self-care and work ability. Its application object is the amputee due to disease, traffic accident, work accident, sports injury and other reasons.
[0003] Artificial limb can be classified according to structure, function, assembly time, amputation site, power source and material selection. But the most commonly used classification method is to divide into upper limb artificial limb and lower limb artificial limb according to amputation site.
[0004] The disabled person with upper limb amputation is extremely inconvenient in life and work because of the loss of hands, and at the same time, the heart also bears huge mental pressure. In order to be beautiful and convenient, artificial hand is usually installed at the amputation site. The materials for making artificial limb are mainly aluminum plate, wood, leather, plastic and metal mechanical parts. A good artificial limb must have good function, comfortable and convenient wearing, light and durable, and appearance similar to healthy limb and other conditions.
[0005] Among all the upper limb artificial limbs we use, according to the purpose, site and control system of artificial limb, they can be divided into decorative upper limb artificial limb, tool hand, traction type mechanical artificial hand, electric artificial limb, etc. Among them, tool hand is designed and made for upper limb amputees, mainly composed of two parts, one is the arm cylinder installed on the stump, the arm cylinder is fixed on the stump, and the end of the arm cylinder is connected with tools, the other is various labor and life auxiliary tools, such as hammer, screwdriver, chisel and other labor tools, toothbrush, spoon and other life utensils.
[0006] But tool hand has the problems of troublesome and difficult replacement of auxiliary tools in use. For some disabled people whose other hand is also damaged, the action is relatively inconvenient, or the disabled people who lose both hands, how to replace the artificial limb auxiliary tool quickly and conveniently is a problem to be solved urgently. CONTENT OF UTILITY MODEL
[0007] (I) technical problem solved
[0008] In view of the deficiency of prior art, the utility model provides a self -help quick replacement device for artificial limb auxiliary tool, which solves the above technical problems.
[0009] (II) technical scheme
[0010] In order to achieve the above object, the utility model provides the following technical scheme: a kind of artificial limb auxiliary tool autonomous quick replacement device, including device main body and artificial limb main body, several placing grooves are opened in the device main body along the axial direction, arm connecting end is arranged in placing groove, the one end of arm connecting end is provided with the butt joint groove, the other end is provided with auxiliary tool, several the sliding slot that passes through device main body is opened in the placing groove, connecting rod is slidably arranged in sliding slot, the bottom of connecting rod is connected with control pedal, the clamping groove that is compatible with connecting rod is opened in the arm connecting end, the inner cavity that is communicated with clamping groove is opened in the arm connecting end, heteromorphic slide bar is slidably arranged in inner cavity, self-locking block is protruded on heteromorphic slide bar, several compression springs are arranged in the inner cavity, the one end of compression spring away from inner cavity is abutted on heteromorphic slide bar, the butt joint block that is compatible with butt joint groove is protruded on the artificial limb main body, self-locking slot that is compatible with self-locking block is opened in butt joint block.
[0011] Preferably, the butt joint groove is an internal hexagonal groove, and the butt joint block is a hexagonal protrusion.
[0012] Preferably, vertical limiting grooves are opened in the inner walls of the two sides of the sliding slot, and vertical limiting blocks are slidably arranged in the vertical limiting grooves.
[0013] Preferably, guide rods are arranged in the vertical limiting grooves, and the vertical limiting blocks are slidably arranged on the guide rods.
[0014] Preferably, return springs are sleeved on the guide rods, one end of the return spring is abutted on the inner wall of the vertical limiting groove, and the other end of the return spring is abutted on the vertical limiting block.
[0015] Preferably, a through hole is opened in the inner wall of one side of the inner cavity and communicated with the butt joint groove.
[0016] Preferably, support legs are downwardly extended from the two sides of the device main body, and antiskid rubber pads are arranged at the bottom of the support legs.
[0017] Compared with the prior art, the utility model provides an artificial limb auxiliary tool autonomous quick replacement device, which has the following beneficial effects:
[0018] The utility model discloses connecting rod, control pedal and heteromorphic slide bar and other structures are arranged, so that when the auxiliary tool needs to be replaced, the butt joint block on the artificial limb main body can be butt jointed into the butt joint groove on the arm connecting end to be replaced, and the control pedal is stepped down, the connecting rod is vertically lowered by the control pedal, so that the locking between the arm connecting end and the placing groove is released, at the same time, the heteromorphic slide bar loses the abutment of the connecting rod, the heteromorphic slide bar can be pushed against the inner wall of the inner cavity by the compression spring, and the self-locking block on the heteromorphic slide bar is inserted into the self-locking slot on the butt joint block, so that the locking and fixing between the arm connecting end and the artificial limb main body are realized, and vice versa, the separation between the artificial limb main body and the arm connecting end can be realized. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the main body structure schematic view of the utility model;
[0020] Figure 2 It is the side view section structure schematic view of the connecting rod, arm connecting end and vertical limiting block structure of the utility model;
[0021] Figure 3 It is the structure enlarged schematic view of A place in convex 2 of the utility model;
[0022] Figure 4 It is the connecting structure schematic view of the prosthesis main body and arm connecting end of the utility model.
[0023] Wherein: 1, device main body;2, support leg;3, control pedal;4, placing groove;5, arm connecting end;6, butt joint groove;7, auxiliary tool;8, sliding groove;9, vertical limiting groove;10, vertical limiting block;11, guide rod;12, reset spring;13, connecting rod;14, special-shaped sliding rod;15, compression spring;16, inner cavity;17, self-locking block;18, through hole;19, prosthesis main body;20, butt joint block;21, self-locking groove;22, clamping groove. DETAILED DESCRIPTION
[0024] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0025] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0026] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0027] Please refer toFigures 1-4 The application discloses a prosthesis auxiliary tool 7 autonomous quick replacement device, which comprises a device main body 1 and a prosthesis main body 19, a plurality of placement grooves 4 are formed in the device main body 1 in the axial direction, an arm connecting end 5 is arranged in the placement groove 4, a butt joint groove 6 is formed in one end of the arm connecting end 5, and an auxiliary tool 7 is arranged at the other end of the arm connecting end 5; a sliding groove 8 penetrating through the device main body 1 is formed in each of the plurality of placement grooves 4; a connecting rod 13 is slidably arranged in the sliding groove 8; a control pedal 3 is connected to the bottom of the connecting rod 13; a clamping groove 22 matched with the connecting rod 13 is formed in the arm connecting end 5; an inner cavity 16 communicated with the clamping groove 22 is formed in the arm connecting end 5; a special-shaped sliding rod 14 is slidably arranged in the inner cavity 16; a self-locking block 17 is protruded on the special-shaped sliding rod 14; a plurality of compression springs 15 are arranged in the inner cavity 16; one end of the compression spring 15 away from the inner cavity 16 is abutted against the special-shaped sliding rod 14; and a butt joint block 20 matched with the butt joint groove 6 is protruded on the prosthesis main body 19, and a self-locking groove 21 matched with the self-locking block 17 is formed in the butt joint block 20.
[0028] When the auxiliary tool 7 needs to be replaced, the butt joint block 20 on the prosthesis main body 19 is butted into the butt joint groove 6 on the arm connecting end 5 to be replaced, and the control pedal 3 is stepped on, so that the connecting rod 13 is driven to vertically descend by the control pedal 3, thereby releasing the locking between the arm connecting end 5 and the placement groove 4; at the same time, the special-shaped sliding rod 14 loses the abutment of the connecting rod 13, the special-shaped sliding rod 14 is pushed against the inner wall of the inner cavity 16 by the compression spring 15, and the self-locking block 17 on the special-shaped sliding rod 14 is inserted into the self-locking groove 21 on the butt joint block 20, so that the locking and fixing between the arm connecting end 5 and the device main body 1 are realized; conversely, the separation between the prosthesis main body 19 and the arm connecting end 5 can be realized.
[0029] Specifically, in the embodiment, the butt joint groove 6 is an internal hexagonal groove, and the butt joint block 20 is a hexagonal protruding block.
[0030] Specifically, in the embodiment, vertical limiting grooves 9 are formed in the inner walls of the two sides of the sliding groove 8; vertical limiting blocks 10 are slidably arranged in the vertical limiting grooves 9; the vertical limiting blocks 10 are installed on the connecting rod 13; guide rods 11 are arranged in the vertical limiting grooves 9; the vertical limiting blocks 10 are slidably arranged on the guide rods 11; reset springs 12 are sleeved on the guide rods 11; one end of the reset spring 12 is abutted against the inner wall of the vertical limiting groove 9; and the other end of the reset spring 12 is abutted against the vertical limiting block 10.
[0031] The vertical limiting blocks 10 and the vertical limiting grooves 9 can limit the movement range of the connecting rod 13, the movement process of the vertical limiting blocks 10 is smoother through the arrangement of the guide rods 11, and the connecting rod 13 can be automatically reset through the arrangement of the reset springs 12, so that the control pedal 3 can be automatically reset after the control pedal 3 is released.
[0032] Specifically, in the embodiment, a through hole 18 is formed in one side inner wall of the inner cavity 16 and communicates with the butt joint groove 6.
[0033] Specifically, in the embodiment, the device body 1 is downwardly extended with support legs 2 at both sides, and the bottom of the support leg 2 is provided with an anti-skid rubber pad, which can provide stable support for the device body 1.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled 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 prosthetic aid tool autonomous quick replacement device comprising a device main body and a prosthetic main body, characterized by: The device body is provided with a plurality of placement grooves in the axial direction, an arm connecting end is arranged in the placement groove, a butt joint groove is formed at one end of the arm connecting end, and an auxiliary tool is arranged at the other end, a sliding groove penetrating through the device body is formed in the placement groove, a connecting rod is slidably arranged in the sliding groove, a control pedal is connected to the bottom of the connecting rod, a clamping groove matched with the connecting rod is formed in the arm connecting end, an inner cavity communicated with the clamping groove is formed in the arm connecting end, a special-shaped sliding rod is slidably arranged in the inner cavity, a self-locking block is protruded from the special-shaped sliding rod, a plurality of compression springs are arranged in the inner cavity, one end of the compression spring away from the inner cavity abuts against the special-shaped sliding rod, a butt joint block matched with the butt joint groove is protruded from the prosthesis body, and a self-locking groove matched with the self-locking block is formed in the butt joint block.
2. The autonomous quick replacement device for prosthetic aids according to claim 1, characterized in that The butt joint groove is an internal hexagonal groove, and the butt joint block is a hexagonal protruding block.
3. The autonomous quick replacement device for prosthetic aids according to claim 1, characterized in that: Perpendicular limiting grooves are formed in the inner walls of the two sides of the sliding groove, and a perpendicular limiting block is slidably arranged in the perpendicular limiting groove.
4. The autonomous quick replacement device for prosthetic aids according to claim 3, characterized in that A guide rod is arranged in the perpendicular limiting groove, and the perpendicular limiting block is slidably arranged on the guide rod.
5. The autonomous quick replacement device for prosthetic aids according to claim 4, characterized in that A reset spring is sleeved on the guide rod, one end of the reset spring abuts against the inner wall of the perpendicular limiting groove, and the other end of the reset spring abuts against the perpendicular limiting block.
6. The autonomous quick replacement device for prosthetic aids according to claim 1, characterized in that: A through hole communicated with the butt joint groove is formed in the inner wall of one side of the inner cavity.
7. The autonomous quick replacement device for prosthetic aids according to claim 1, characterized in that: Supporting legs are downwardly extended from the two sides of the device body, and anti-skid rubber pads are arranged at the bottom of the supporting legs.