Limb assistance exoskeleton

Abstract

The utility model relates to a limb assistance exoskeleton which comprises two upper plates and two lower plates, the two upper plates are rotationally connected with the two lower plates through rotating shafts respectively, the two upper plates and the two lower plates are fixedly connected through bottom plates, an electric telescopic rod is rotationally installed on one side of each upper plate, and the electric telescopic rods are fixedly installed on the other side of each upper plate. An adjusting block is rotatably installed at the output end of the electric telescopic rod, two fixing blocks are fixedly installed on one side of the lower plate, a threaded rod is fixedly installed between the two fixing blocks jointly, the threaded rod is sleeved with the adjusting block, two limiting blocks are installed on the threaded rod through threads, and the two limiting blocks make contact with the two sides of the adjusting block correspondingly; according to the scheme, bending of the upper plate and the lower plate is controlled through the electric telescopic rod, the power assisting effect can be achieved, the adjusting block can move on the threaded rod, the adjusting block can be limited by rotating the limiting block, in the using process, the length of a force arm can be changed, and the output efficiency of the electric telescopic rod can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of exoskeletons, in particular to a limb-assisting exoskeleton. Background Art

[0002] The upper limb assist exoskeleton can provide assistance and can help the user carry objects that exceed their own ability. Its function is to help the arm bend. When assisting the arm to bend, it can be stretched through the telescopic structure so that the upper arm and the forearm can be moved closer to each other by rotation.

[0003] When the telescopic structure is in use, its efficiency is often low, that is, the lever arm of the telescopic structure cannot be adjusted, resulting in poor power assistance and poor starting effect. Therefore, those skilled in the art provide a limb power assistance exoskeleton to solve the problem raised. Utility Model Content

[0004] In order to solve the problem that the lever arm of the telescopic structure cannot be adjusted, the utility model provides a limb-assisting exoskeleton.

[0005] The utility model provides a limb-assisted exoskeleton that adopts the following technical solutions:

[0006] A limb-assisting exoskeleton comprises two upper plates and two lower plates, wherein the two upper plates are rotatably connected to the two lower plates respectively via rotating shafts, and the two upper plates are fixedly connected to the two lower plates via a bottom plate, an electric telescopic rod is rotatably mounted on one side of the upper plate, and an adjusting block is rotatably mounted on the output end of the electric telescopic rod, two fixing blocks are fixedly mounted on one side of the lower plate, a threaded rod is commonly fixedly mounted between the two fixing blocks, the adjusting block is sleeved on the threaded rod, and two limit blocks are threadably mounted on the threaded rod, and the two limit blocks are respectively in contact with two sides of the adjusting block, and the size of the force arm can be adjusted by changing the position of the adjusting block to improve the output efficiency.

[0007] Preferably, a guide frame is fixedly installed on one side of the lower plate, a transverse groove is provided at the bottom of the adjustment block, and the top of the guide frame is inserted into the slide groove at the bottom of the adjustment block, so that the adjustment block will not rotate around the threaded rod, thereby improving the stability of use.

[0008] Preferably, one end of the limit block is configured as a regular polygonal prism, and the other end of the limit block is configured as a cylindrical shape, so as to facilitate rotation for adjustment.

[0009] Preferably, a plurality of connection components are provided on one side of the upper plate and the lower plate, and the connection components include connection strips, which respectively pass through the other upper plate or the lower plate, and the top of the connection strips are fixedly installed with a first Velcro and a second Velcro, and the first Velcro and the second Velcro can be fixedly installed by being fitted together, which is convenient for disassembly and assembly.

[0010] Preferably, a limiting strip is fixedly installed on the top of the connecting strip, and the limiting strip is arranged between the first Velcro and the second Velcro. Under the action of the limiting strip, the first Velcro and the second Velcro are not easily separated after being attached, and the stability is better.

[0011] In summary, the utility model includes the following beneficial technical effects:

[0012] 1. The electric telescopic rod controls the bending of the upper and lower plates, which can play a role of power assistance. The adjustment block can move on the threaded rod, and the adjustment block can be limited by rotating the limit block. During use, the length of the force arm can be changed to improve the output efficiency of the electric telescopic rod;

[0013] 2. The connecting strip can be folded so that the connecting strip passes through the limiting strip, and the second Velcro is fitted with the first Velcro, so that the whole can be installed on the arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of a limb-assisting exoskeleton in an embodiment of the utility model;

[0015] Figure 2 It is a side view structural schematic diagram of a limb-assisting exoskeleton in an embodiment of the utility model.

[0016] Explanation of the accompanying drawings: 1. Upper plate; 2. Lower plate; 3. Electric telescopic rod; 4. Guide frame; 5. Bottom plate; 6. Connecting assembly; 21. Fixed block; 22. Threaded rod; 23. Adjusting block; 24. Limiting block; 61. Connecting strip; 62. Limiting strip; 63. First Velcro; 64. Second Velcro. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-2 The utility model is described in further detail.

[0018] It should be noted that the drawings are schematic and not to scale. For the sake of clarity and convenience, the relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced in size, and any size is only exemplary and not restrictive. In addition, the same reference symbol is used for the same structure, element or accessory appearing in more than two figures to reflect similar features.

[0019] The utility model embodiment discloses a limb power-assisting exoskeleton.

[0020] A limb-assisting exoskeleton comprises two upper plates 1 and two lower plates 2, wherein the two upper plates 1 are rotatably connected to the two lower plates 2 respectively via a rotating shaft, and the two upper plates 1 and the two lower plates 2 are fixedly connected via a bottom plate 5, an electric telescopic rod 3 is rotatably mounted on one side of the upper plate 1, and an adjusting block 23 is rotatably mounted on the output end of the electric telescopic rod 3, two fixing blocks 21 are fixedly mounted on one side of the lower plate 2, a threaded rod 22 is commonly fixedly mounted between the two fixing blocks 21, the adjusting block 23 is sleeved on the threaded rod 22, and two limit blocks 24 are threadably mounted on the threaded rod 22, and the two limit blocks 24 are respectively in contact with two sides of the adjusting block 23, and the size of the force arm can be adjusted by changing the position of the adjusting block 23 to improve the output efficiency.

[0021] A guide frame 4 is fixedly installed on one side of the lower plate 2, and a transverse groove is provided at the bottom of the adjusting block 23. The top of the guide frame 4 is inserted into the sliding groove at the bottom of the adjusting block 23, so that the adjusting block 23 will not rotate around the threaded rod 22, thereby improving the stability of use; one end of the limit block 24 is set to a regular polygonal prism, and the other end of the limit block 24 is set to a cylindrical shape, which is convenient for rotation and adjustment; a plurality of connecting components 6 are provided on one side of the upper plate 1 and the lower plate 2, and the connecting components 6 include a connecting strip 61, and the connecting strip 61 passes through another upper plate 1 or the lower plate 2 respectively, and a first Velcro 63 and a second Velcro 64 are fixedly installed on the top of the connecting strip 61. The first Velcro 63 and the second Velcro 64 can be fixedly installed when they are fitted together, which is convenient for disassembly and assembly; a limiting strip 62 is fixedly installed on the top of the connecting strip 61, and the limiting strip 62 is set between the first Velcro 63 and the second Velcro 64. Under the action of the limiting strip 62, the first Velcro 63 and the second Velcro 64 are not easy to separate after being fitted together, and the stability is good.

[0022] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0023] The implementation principle of a limb power-assisting exoskeleton in an embodiment of the utility model is as follows: the arm can be placed between an upper plate 1 and a lower plate 2, and the upper plate 1 and the lower plate 2 can be rotated. The bending of the upper plate 1 and the lower plate 2 can be controlled by an electric telescopic rod 3 to provide power assistance. The adjustment block 23 can be moved on the threaded rod 22, and the adjustment block 23 can be limited by rotating the limit block 24. During use, the length of the force arm can be changed to improve the output efficiency of the electric telescopic rod 3; the connecting strip 61 can be folded so that the connecting strip 61 passes through the limit strip 62, and the second Velcro 64 fits with the first Velcro 63, so that the whole can be installed on the arm.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, can be the internal communication of two components, or can be a direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A limb-assisting exoskeleton, comprising two upper plates (1) and two lower plates (2), wherein the two upper plates (1) are rotatably connected to the two lower plates (2) via a rotating shaft, and the two upper plates (1) and the two lower plates (2) are fixedly connected via a bottom plate (5), characterized in that: An electric telescopic rod (3) is rotatably mounted on one side of the upper plate (1), an adjusting block (23) is rotatably mounted on the output end of the electric telescopic rod (3), two fixing blocks (21) are fixedly mounted on one side of the lower plate (2), a threaded rod (22) is fixedly mounted between the two fixing blocks (21), the adjusting block (23) is sleeved on the threaded rod (22), two limit blocks (24) are threadably mounted on the threaded rod (22), and the two limit blocks (24) are respectively in contact with two sides of the adjusting block (23).

2. A limb-assisting exoskeleton according to claim 1, characterized in that: A guide frame (4) is fixedly mounted on one side of the lower plate (2), a transverse groove is arranged at the bottom of the adjustment block (23), and the top of the guide frame (4) is inserted into the sliding groove at the bottom of the adjustment block (23).

3. The limb-assisting exoskeleton according to claim 1, characterized in that: One end of the limit block (24) is configured in the shape of a regular polygonal prism, and the other end of the limit block (24) is configured in the shape of a cylinder.

4. The limb-assisting exoskeleton according to claim 1, characterized in that: A plurality of connection components (6) are provided on one side of the upper plate (1) and the lower plate (2), and the connection components (6) include connection strips (61), the connection strips (61) respectively pass through the other upper plate (1) or the lower plate (2), and a first Velcro (63) and a second Velcro (64) are fixedly mounted on the top of the connection strips (61).

5. The limb-assisting exoskeleton according to claim 4, characterized in that: A limiting strip (62) is fixedly mounted on the top of the connecting strip (61), and the limiting strip (62) is arranged between the first Velcro (63) and the second Velcro (64).

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