Joint connecting device for exoskeleton booster

Abstract

The utility model belongs to the technical field of exoskeleton boosters, and particularly relates to a joint connecting device for an exoskeleton booster, which comprises a waist support, a labor-saving mechanism arranged on the surface of the waist support, a leg support connected with an elastic belt at the bottom of the labor-saving mechanism, a limit groove arranged on the side wall of the waist support, and a protective belt surface bump embedded and connected on the surface of the limit groove. A fixing belt is arranged at the top of the protective belt, the side wall of the fixing belt is in threaded connection with a fixing bolt, the side wall of the fixing bolt is transversely connected with an adjusting belt in a penetrating mode, and the bottom of the adjusting belt is connected to the lower end of the waist support; according to the utility model, the human body skin and the waist support are protected through the protective belt embedded in the waist support, so that the wearing comfort of a user is improved, and meanwhile, the protective belt which is more fit with the waist support can be replaced according to a use scene.

Description

Technical Field

[0001] This utility model belongs to the field of exoskeleton assistive device technology, specifically relating to a joint connection device for exoskeleton assistive devices. Background Technology

[0002] The joint connection device used in exoskeleton assistive devices is a key component ensuring that the device can simulate and enhance human joint movement. The "exoskeleton walking assistive device" disclosed in application number "CN202022881457.1" represents an increasingly mature technology, where the lumbar support is connected by two round tubes distributed on the sides of the body. These two round tubes not only serve a connecting function but also enhance the overall stability of the exoskeleton. The cam and gas spring are connected together through a precise mechanical structure. When the body bends over, the elastic tube rotates counterclockwise, causing the cam to rotate, which in turn compresses the gas spring below the cam. The gas spring generates an upward elastic force, achieving the purpose of providing assistance.

[0003] However, the device still has the following drawbacks: When the above-mentioned device is in use, the existing exoskeleton assist device is fixed between the waist and hip joints using a joint connection device to support the human body. The connection device fixed between the human body and the assist device directly rubs against the skin, which can easily cause damage to the human body when they rub against each other, thus affecting the comfort of wearing it. Utility Model Content

[0004] The purpose of this invention is to provide a joint connection device for exoskeleton assistive devices, which aims to solve the problem that in the prior art, when the above-mentioned devices are used, the existing exoskeleton assistive devices are fixed between the waist and hip joints and support the human body using a joint connection device. The connection device fixed between the human body and the assistive device directly forms a skin structure, and the friction between them can easily cause damage to the human body, thereby affecting the comfort of wearing them.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a joint connection device for an exoskeleton assistive device, comprising: a lumbar support, the surface of which is provided with a force-saving mechanism, the bottom elastic band of which is connected to a leg support, a limiting groove is formed on the side wall of the lumbar support, a protrusion on the surface of a protective belt is fitted into the surface of the limiting groove, a fixing belt is provided at the top of the protective belt, a fixing bolt is threadedly connected to the side wall of the fixing belt, an adjusting belt is transversely connected to the side wall of the fixing bolt, the bottom of the adjusting belt is connected to the lower end of the lumbar support, a rubber block is provided on the surface of the leg support, an elastic band is sleeved on the surface of the rubber block, a hook and loop fastener is provided on one end of the elastic band, and the front end of the hook and loop fastener is attached to a snap fastener provided on the other side of the elastic band.

[0006] In order to fix the position of the protective belt on the waist support by using the limiting groove, as the preferred joint connection device for the exoskeleton assist device of this utility model, two sets of limiting grooves are respectively opened on both sides of the waist support, and the outer wall of the protective belt is provided with a circular rubber protrusion, and the shape and size of the protrusion are adapted to the limiting groove.

[0007] In order to protect the human skin in contact with the protective belt by adhering to the inner wall of the protective belt, the protective belt is preferably a U-shaped integrated structure, and the shape and size of the protective belt are adapted to the inner wall of the waist support.

[0008] In order to enable the connection between the fixing belt and the adjusting belt to be fixed by the fixing bolt, the joint connection device for the exoskeleton assist device of this utility model preferably consists of a threaded connection structure, wherein the fixing belt, the fixing bolt and the adjusting belt form a threaded connection structure, the fixing belt is a U-shaped integral structure, and a rectangular through groove is opened on the lateral end side wall of the fixing belt, and the shape and size of the through groove are adapted to the adjusting belt.

[0009] In order to fix the elastic band on the leg support by using rubber blocks, the preferred joint connection device for the exoskeleton assist device of this utility model has three sets of rubber blocks distributed in a ring on the surface of the leg support, and three circular through grooves distributed in a ring on the upper surface of the elastic band, and the shape and size of the through grooves are adapted to the rubber blocks.

[0010] In order to facilitate the connection of the two ends of the elastic band by using hook and loop fasteners, the preferred joint connection device for the exoskeleton assist device of this utility model has four sets of hooks on one side of the elastic band and four sets of hooks on the surface of the hook and loop fastener connected to the other side of the elastic band.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The protective belt, which is embedded in the lumbar support, protects the skin between the body and the lumbar support, thereby improving the user's wearing comfort. At the same time, a more fitting protective belt can be replaced according to the usage scenario.

[0013] The rubber block at the bottom of the leg support makes it easy to fix the elastic band on it, so that the elastic band can be looped around the user's leg to further secure the position of the leg support. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0017] Figure 3 This is a top view of the structure of this utility model;

[0018] Figure 4 This is an enlarged structural diagram of the protective strip portion of this utility model;

[0019] Figure 5 This is an enlarged structural diagram of the elastic band portion of this utility model.

[0020] In the diagram: 1. Waist support; 2. Labor-saving mechanism; 3. Leg support; 4. Limiting groove; 5. Protective belt; 6. Fixing belt; 7. Fixing bolt; 8. Adjusting belt; 9. Rubber block; 10. Elastic band; 11. Hook and loop fastener. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 This utility model provides the following technical solution: a joint connection device for an exoskeleton assistor, comprising: a waist support 1, a force-saving mechanism 2 on the surface of the waist support 1, and an elastic band at the bottom of the force-saving mechanism 2 connecting to a leg support 3. In this design, the waist support 1, the force-saving mechanism 2, and the leg support 3 constitute the main body of the joint connection mechanism of the exoskeleton assistor, and a large number of related components are provided in the main body of the joint connection mechanism of the exoskeleton assistor. Since these are existing technologies and the core content of this technical solution is irrelevant to them, they will not be described in detail in this technical solution.

[0023] In use: The joint connection mechanism of the exoskeleton assist device is connected to the cam and gas spring within the force-saving mechanism 2 through a precise mechanical structure. When the user bends over, the elastic tube rotates counterclockwise, causing the cam to rotate, which in turn compresses the gas spring below the cam. The gas spring generates an upward elastic force, achieving the purpose of assisting the user.

[0024] A limiting groove 4 is opened on the side wall of the waist support 1. The surface of the limiting groove 4 is fitted with the protrusion of the protective belt 5. The top of the protective belt 5 is provided with a fixing belt 6. The side wall of the fixing belt 6 is threaded with a fixing bolt 7. The side wall of the fixing bolt 7 is transversely connected with an adjusting belt 8. The bottom of the adjusting belt 8 is connected to the lower end of the waist support 1. The surface of the leg support 3 is provided with a rubber block 9. The surface of the rubber block 9 is fitted with an elastic band 10. One end of the elastic band 10 is provided with a hook and loop fastener 11. The front end of the hook and loop fastener 11 is attached to a snap fastener provided on the other side of the elastic band 10.

[0025] Preferably, two sets of limiting grooves 4 are opened on both sides of the waist support 1, and the outer wall of the protective belt 5 is provided with circular rubber protrusions, and the shape and size of the protrusions are adapted to the limiting grooves 4.

[0026] In practical use, the protective belt 5 is fitted and fixed in the limiting groove 4 opened on the side wall of the waist support 1.

[0027] Preferably, the protective belt 5 has a U-shaped integrated structure, and the shape and size of the protective belt 5 are adapted to the inner wall of the waist support 1.

[0028] In practical use, the adjusting strap 8 at the bottom of the protective strap 5 is inserted into the waist support 1 and fixed into the fixing strap 6, and the connection between the two is fixed by the fixing bolt 7.

[0029] Preferably, the fixing band 6, the fixing bolt 7 and the adjusting band 8 form a threaded connection structure. The fixing band 6 is a U-shaped integrated structure, and a rectangular through groove is opened on the lateral end side wall of the fixing band 6. The shape and size of the through groove are adapted to the adjusting band 8.

[0030] In practical use, the adjusting strap 8 at the bottom of the protective belt 5 is slipped over the waist support 1 and inserted into the fixing strap 6, and the connection between the two is fixed by the fixing bolt 7, thereby fixing the position of the protective belt 5 on the inner wall of the waist support 1.

[0031] Preferably, the leg support 3 has three sets of rubber blocks 9 distributed in a ring on its surface, and the upper surface of the elastic band 10 has three circular grooves distributed in a ring, and the shape and size of the grooves are adapted to the rubber blocks 9.

[0032] In practical use, the leg support 3 is attached to the user's leg, and the elastic band 10 is attached to the rubber block 9 on the surface of the leg support 3 to fix the position of the elastic band 10 on the leg support 3.

[0033] Preferably, one side of the elastic band 10 has four sets of hooks, and the other side of the elastic band 10 is connected to the hook and loop fastener 11 with four sets of hooks and loops.

[0034] In practical use, the elastic band 10 is fitted onto the user's leg and wrapped around the leg according to the leg size. Then, the hook and loop fastener 11 is used to attach it to the snap fastener on the other side of the elastic band 10, thereby fixing the position of the elastic band 10 on the human leg.

[0035] Working principle: Before the user puts on the lumbar support 1 and leg support 3, the protective belt 5 is fitted and fixed in the limiting groove 4 opened on the side wall of the lumbar support 1. Then, the adjusting strap 8 at the bottom of the protective belt 5 is passed over the lumbar support 1 and inserted into the fixing strap 6. The connection between the two is fixed by the fixing bolt 7, thereby fixing the position of the protective belt 5 on the inner wall of the lumbar support 1. This allows the lumbar support 1 to be fitted onto the intersection of the waist and the user's body for protection and isolation. At the same time, after the leg support 3 is fitted onto the user's legs, the elastic band 10 is fitted onto the rubber block 9 on the surface of the leg support 3, thereby fixing the position of the elastic band 10 on the leg support 3. This allows the elastic band 10 to fit onto the user's legs and wrap around the legs according to the leg size. Then, the hook and loop fastener 11 is attached to the snap fastener on the other side of the elastic band 10, thereby fixing the position of the elastic band 10 on the user's legs and making the position of the leg support 3 on the user's legs more stable.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A joint connection device for an exoskeleton assistive device, comprising: The waist support (1) is characterized in that: the waist support (1) is provided with a force-saving mechanism (2) on its surface, the bottom elastic band of the force-saving mechanism (2) is connected to the leg support (3), the waist support (1) is provided with a limiting groove (4) on its side wall, the limiting groove (4) is fitted with a protrusion on the surface of the protective belt (5), the protective belt (5) is provided with a fixing belt (6) on its top, the fixing belt (6) is threadedly connected to a fixing bolt (7) on its side wall, the fixing bolt (7) is transversely connected to an adjusting belt (8) on its side wall, the bottom of the adjusting belt (8) is connected to the lower end of the waist support (1), the leg support (3) is provided with a rubber block (9) on its surface, the rubber block (9) is fitted with an elastic band (10), one end of the elastic band (10) is provided with a hook and loop fastener (11), the front end of the hook and loop fastener (11) is attached to a snap fastener provided on the other side of the elastic band (10).

2. The joint connection device for the exoskeleton assistor according to claim 1, characterized in that: Two sets of limiting grooves (4) are respectively opened on both sides of the waist support (1), and the outer wall of the protective belt (5) is provided with a circular rubber protrusion, and the shape and size of the protrusion are adapted to the limiting groove (4).

3. The joint connection device for the exoskeleton assistor according to claim 2, characterized in that: The protective belt (5) is a U-shaped integrated structure, and the shape and size of the protective belt (5) are adapted to the inner wall of the waist support (1).

4. The joint connection device for the exoskeleton assistor according to claim 1, characterized in that: The fixing band (6), fixing bolt (7) and adjusting band (8) form a threaded connection structure. The fixing band (6) is a U-shaped integrated structure, and a rectangular through groove is opened on the lateral end side wall of the fixing band (6), and the shape and size of the through groove are adapted to the adjusting band (8).

5. The joint connection device for the exoskeleton assistor according to claim 1, characterized in that: The leg support (3) has three sets of rubber blocks (9) distributed in a ring on its surface, and the upper surface of the elastic band (10) has three circular grooves distributed in a ring, and the shape and size of the grooves are adapted to the rubber blocks (9).

6. The joint connection device for an exoskeleton assistor according to claim 5, characterized in that: The elastic band (10) has four sets of hooks on one side surface and the hook and loop fastener (11) connected to the other side of the elastic band (10) has four sets of hooks on the other side surface.

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