Flexible exoskeleton for assisting movement of hip joint and knee joint

Abstract

The utility model relates to the technical field of flexible exoskeletons for assisting motion of hip joints and knee joints, in particular to a flexible exoskeleton for assisting motion of hip joints and knee joints, which comprises a waist bandage, the rear end of the waist bandage is connected with a waist controller, a lead is inserted into the bottom of the waist controller, and the bottom of the lead is connected with a fastening block; sliding grooves are formed in the two sides of the fastening block, the end of the sliding groove in one side of the fastening block is connected with a first spring, the other end of the first spring is connected with a first connecting block, the other end of the first connecting block is connected with an elastic bandage, and the other end of the elastic bandage is connected with a second connecting block. The second connecting block is inserted into a sliding groove formed in the side of the other set of fastening blocks. The flexible exoskeleton has the advantages that when a patient with the hip joint and the knee joint needs to use the flexible exoskeleton to assist walking, the upper end and the lower end of the knee joint are sleeved with the two sets of leg fasteners formed by connecting the multiple sets of fastening blocks;

Description

Technical Field

[0001] The utility model relates to the field of flexible exoskeletons for assisting the movement of hip joints and knee joints, in particular to a flexible exoskeleton for assisting the movement of hip joints and knee joints. Background Art

[0002] A flexible exoskeleton is a device that can assist the movement of human joints. In terms of assisting the movement of the hip and knee joints, the flexible exoskeleton can provide support and stability through special design, helping the human body to complete some movements that require greater strength or flexibility.

[0003] In the prior art, for patients with limited hip joint function, flexible exoskeletons can provide additional support and stability to help bear body weight, maintain balance, and complete normal walking, running and other activities. For knee problems, the design of flexible exoskeletons usually increases the stability of the knee joint and reduces the force on the joint, thereby reducing pain and discomfort.

[0004] However, in the prior art, due to the differences in height and body shape among different user groups, it is necessary to customize special exoskeletons according to the body shapes of different users, which results in huge consumption costs. Utility Model Content

[0005] The purpose of the utility model is to provide a flexible exoskeleton for assisting the movement of hip joints and knee joints, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waist strap, the rear end of the waist strap is connected to the waist controller, the bottom of the waist controller is plugged with a wire, and the bottom of the wire is connected to the fastening block; sliding grooves are provided on both sides of the fastening block, the end of the sliding groove on one side of the fastening block is connected to the first spring, the other end of the first spring is connected to the first connecting block, the other end of the first connecting block is connected to the elastic strap, the other end of the elastic strap is connected to the second connecting block, and the second connecting block is plugged into the sliding groove opened on the side of another group of fastening blocks.

[0007] Preferably, an adjustment groove is provided on the top of one side of the fastening block, a connecting column is provided in the adjustment groove, the bottom of the connecting column is connected to the second connecting block, a toggle rod is inserted on the top of the connecting column, the toggle rod can slide in the adjustment groove, and drive the second connecting block to slide in the slide groove.

[0008] Preferably, a telescopic slot is provided at the top of the connecting column, a second spring is arranged in the telescopic slot, the top of the second spring is connected to a toggle rod, and pressing the toggle rod can cause the toggle rod to squeeze the second spring, causing the bottom of the toggle rod to shrink into the telescopic slot.

[0009] Preferably, first sliding grooves are provided on both sides of the adjustment groove, a plurality of groups of clamping grooves are provided on the top of the first sliding groove, a clamping strip is provided at the bottom end of the clamping slot toggle rod, the clamping strip is clamped in the clamping slot, and pressing the toggle rod can drive the clamping strip to drop into the first sliding groove, so that the clamping strip can slide in the first sliding groove.

[0010] Preferably, two ends of the elastic band are respectively inserted into the slide grooves provided on both sides of the two groups of fastening blocks and are respectively connected to the first connecting block and the second connecting block to form a leg fastener.

[0011] Preferably, the bottom of the fastening block located at the top is connected to an elastic band, and the other end of the elastic band is connected to the top of the fastening block located at the bottom, forming a flexible exoskeleton.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a flexible exoskeleton for assisting the movement of hip and knee joints. When patients with hip and knee joints need to use the device for assisted walking, two groups of leg fasteners formed by connecting multiple groups of fastening blocks are firstly sleeved on the upper and lower ends of the knee joints, and then the waist controller is fixed to the patient's waist through a waist strap, and the device begins to assist the hip and knee joint patients in walking. When used by different patients with different body shapes, the toggle lever can be pressed to squeeze the second spring to drive the holding bar down, so that the holding bar is lowered from the holding groove to the first sliding groove, and then the toggle lever is toggled, and the toggle lever drives the second connecting block to slide on the sliding groove through the connecting column connected to the bottom. The clamping strip slides in the first sliding groove, and the clamping strip slides in the first sliding groove, thereby reducing or expanding the diameter of the leg fastener. When the toggle rod is released and pressed, the second spring drives the clamping strips on both sides of the toggle rod to rebound and be inserted into the clamping groove to fix the toggle rod; so that different patients with different body shapes can use the device, and a first spring is arranged at the end of the sliding groove opened on the other side of the fastening block, and the other end of the first spring is connected to the first connecting block, and the other end of the first connecting block is connected to the elastic band, and the other end of the elastic band is inserted into the sliding groove opened on the side of another group of fastening blocks. The first spring can buffer the tightening degree of the elastic band to prevent the leg fastener formed by the fastening block from being over-tightened, causing discomfort to the patient's legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the fastening block of the utility model

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the regulating groove of the utility model.

[0018] In the figure: waist strap 1, waist controller 2, wire 3, fastening block 4, elastic strap 5, elastic band 6, adjustment slot 7, first sliding slot 8, holding slot 9, connecting column 10, toggle rod 11, holding strip 12, slide slot 13, first connecting block 14, second connecting block 15, first spring 16, telescopic slot 17, second spring 18. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a waist strap 1, the rear end of the waist strap 1 is connected to a waist controller 2, a wire 3 is plugged into the bottom of the waist controller 2, and the bottom of the wire 3 is connected to a fastening block 4; slide grooves 13 are provided on both sides of the fastening block 4, the end of the slide groove 13 on one side of the fastening block 4 is connected to a first spring 16, the other end of the first spring 16 is connected to a first connecting block 14, the other end of the first connecting block 14 is connected to an elastic strap 5, the other end of the elastic strap 5 is connected to a second connecting block 15, and the second connecting block 15 is plugged into the slide groove 13 opened on the side of another group of fastening blocks 4; the toggle rod 11 drives the second connecting block 15 to slide in the slide groove 13 through the connecting column 10 connected to the bottom.

[0022] Embodiment 2

[0023] On the basis of the first embodiment, an adjusting groove 7 is provided at the top of one side of the fastening block 4, a connecting column 10 is provided in the adjusting groove 7, the bottom of the connecting column 10 is connected to the second connecting block 15, and a toggle rod 11 is inserted at the top of the connecting column 10, the toggle rod 11 can slide in the adjusting groove 7, driving the second connecting block 15 to slide in the slide groove 13; a telescopic groove 17 is provided at the top of the connecting column 10, a second spring 18 is provided in the telescopic groove 17, the top of the second spring 18 is connected to the toggle rod 11, pressing the toggle rod 11 can make the toggle rod 11 squeeze the second spring 18, so that the bottom of the toggle rod 11 shrinks into the telescopic groove 17; when the toggle rod 11 is released, the second spring 18 drives the clamping strips 12 on both sides of the toggle rod 11 to rebound and be inserted into the clamping groove 9, thereby fixing the toggle rod 11.

[0024] Embodiment 3

[0025] On the basis of the second embodiment, first sliding grooves 8 are provided on both sides of the adjusting groove 7, and multiple groups of clamping grooves 9 are provided on the top of the first sliding groove 8. A clamping strip 12 is provided at the bottom end of the toggle rod 11 of the clamping groove 9. The clamping strip 12 is clamped in the clamping groove 9. Pressing the toggle rod 11 can drive the clamping strip 12 to drop into the first sliding groove 8, so that the clamping strip 12 can slide in the first sliding groove 8; the two ends of the elastic band 5 are respectively inserted into the sliding grooves 13 provided on both sides of the two groups of fastening blocks 4 and are respectively connected to the first connecting The connecting block 14 is connected to the second connecting block 15 to form a leg fastener; the fastening block 4, the bottom of the fastening block 4 located above is connected to the elastic band 6, and the other end of the elastic band 6 is connected to the top of the fastening block 4 located below to form a flexible exoskeleton; the other end of the elastic band 5 is inserted into the slide groove 13 opened on the side of another group of fastening blocks 4, and the first spring 16 can buffer the tightening degree of the elastic band 5 to prevent the leg fastener formed by the fastening block 4 from being over-tightened and causing discomfort to the patient's legs.

[0026] In actual use, when patients with hip and knee joints need to use the device for assisted walking, first, two groups of leg fasteners formed by connecting multiple groups of fastening blocks 4 are put on the upper and lower ends of the knee joint, and then the waist controller 2 is fixed to the patient's waist through the waist strap 1, and the device begins to assist the hip and knee joint patients in walking; when different patients with different body shapes use it, the toggle rod 11 can be pressed to squeeze the second spring 18 by the toggle rod 11 to drive the holding strip 12 to descend, so that the holding strip 12 descends from the holding groove 9 to the first sliding groove 8, and then the toggle rod 11 is toggled, and the toggle rod 11 drives the second connecting block 15 to slide in the sliding groove 13 through the connecting column 10 connected at the bottom, and at the same time, the holding strip 12 is in the first sliding groove. The second spring 18 drives the clamping strips 12 on both sides of the toggle rod 11 to rebound and be inserted into the clamping groove 9 to fix the toggle rod 11, so that different patients with different body shapes can use the device. The end of the slide groove 13 opened on the other side of the fastening block 4 is provided with a first spring 16, and the other end of the first spring 16 is connected to the first connecting block 14, and the other end of the first connecting block 14 is connected to the elastic band 5, and the other end of the elastic band 5 is inserted into the slide groove 13 opened on the side of another group of fastening blocks 4. The first spring 16 can buffer the tightening degree of the elastic band 5 to prevent the leg fastener formed by the fastening block 4 from being over-tightened and causing discomfort to the patient's legs.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible exoskeleton for assisting hip and knee joint movements, characterized in that: The flexible exoskeleton for assisting the movement of the hip joint and the knee joint comprises: a waist strap (1), the rear end of the waist strap (1) is connected to a waist controller (2), the bottom of the waist controller (2) is plugged with a wire (3), and the bottom of the wire (3) is connected to a fastening block (4); A fastening block (4) is provided with slide grooves (13) on both sides of the fastening block (4); the end of the slide groove (13) on one side of the fastening block (4) is connected to a first spring (16); the other end of the first spring (16) is connected to a first connecting block (14); the other end of the first connecting block (14) is connected to an elastic band (5); the other end of the elastic band (5) is connected to a second connecting block (15); the second connecting block (15) is inserted into the slide groove (13) provided on the side of another group of fastening blocks (4).

2. A flexible exoskeleton for assisting hip and knee joint movements according to claim 1, characterized in that: An adjusting groove (7) is provided on the top of one side of the fastening block (4), a connecting column (10) is provided in the adjusting groove (7), the bottom of the connecting column (10) is connected to the second connecting block (15), and a toggle rod (11) is inserted into the top of the connecting column (10), and the toggle rod (11) can slide in the adjusting groove (7) to drive the second connecting block (15) to slide in the sliding groove (13).

3. A flexible exoskeleton for assisting hip and knee joint movements according to claim 2, characterized in that: The top of the connecting column (10) is provided with a telescopic groove (17), a second spring (18) is arranged in the telescopic groove (17), the top of the second spring (18) is connected to the toggle rod (11), and pressing the toggle rod (11) can cause the toggle rod (11) to squeeze the second spring (18), so that the bottom of the toggle rod (11) contracts into the telescopic groove (17).

4. A flexible exoskeleton for assisting hip and knee joint movements according to claim 3, characterized in that: The first sliding grooves (8) are provided on both sides of the adjusting groove (7), and a plurality of groups of clamping grooves (9) are provided on the top of the first sliding groove (8). A clamping strip (12) is provided at the bottom end of the clamping groove (9) toggle rod (11), and the clamping strip (12) is clamped in the clamping groove (9). Pressing the toggle rod (11) can drive the clamping strip (12) to descend into the first sliding groove (8), so that the clamping strip (12) can slide in the first sliding groove (8).

5. A flexible exoskeleton for assisting hip and knee joint movements according to claim 4, characterized in that: The two ends of the elastic band (5) are respectively inserted into the slide grooves (13) provided on both sides of the two sets of fastening blocks (4) and are respectively connected to the first connecting block (14) and the second connecting block (15) to form a leg fastener.

6. A flexible exoskeleton for assisting hip and knee joint movements according to claim 5, characterized in that: The fastening block (4) is connected to an elastic band (6) at the bottom of the fastening block (4) located at the top, and the other end of the elastic band (6) is connected to the top of the fastening block (4) located at the bottom, thereby forming a flexible exoskeleton.

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