CN213674115U

CN213674115U - Quick adjustment mechanism and motion power assisting device thereof

Info

Publication number: CN213674115U
Application number: CN202022522031.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Conchin Technology Co ltd
Current assignee: Shenzhen Conchin Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-13
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a quick adjustment mechanism and motion booster unit thereof, quick adjustment mechanism includes the body of rod, base, compact disc and compresses tightly the spanner, base and compact disc set up relatively and the inboard cavity that all has, compact disc one end is the link, the link pass through the axle with the base links firmly, the compact disc other end is the cantilever end, the cantilever end sets up to unsettled setting, the body of rod hold in the base and compact disc enclose the fastening intracavity that closes formation, compress tightly the spanner hookup the cantilever end of compact disc with the base, will the body of rod compresses tightly the fastening intracavity. The utility model provides a quick adjustment mechanism just can let the user easily adjust the relative position of the body of rod and base under the condition that does not need the instrument, and then realizes the position adjustment of motion booster unit part structure.

Description

Quick adjustment mechanism and motion power assisting device thereof

Technical Field

The utility model relates to a wearable ectoskeleton device field especially relates to a quick adjustment mechanism and motion booster unit thereof.

Background

In daily work and life, people often encounter situations that people want to enhance strength and endurance of upper limbs or lower limbs of human bodies, wearable power exoskeleton devices are devices meeting the application, including hip joint assistance exoskeleton, knee joint assistance exoskeleton, upper limb assistance exoskeleton and the like, and a plurality of documents disclose implementation mechanisms of the devices.

The wearable exoskeleton needs to realize good auxiliary enhancement function on a human body, and needs to be worn on the human body to have a good matching effect. However, the sizes of different users (or wearers) are not consistent, and it is difficult to match users of different sizes with the same set of equipment. In order to improve the utilization rate of the equipment, the size of the exoskeleton device can be adjusted to meet the requirements of different users. Therefore, there is a strong need for a universal mechanism that can be quickly adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a quick adjustment mechanism and motion booster unit for different sizes of ectoskeleton equipment quick adjustment satisfy different users' demand.

In order to achieve the above object, the embodiment of the present invention provides a quick adjustment mechanism in a first aspect, which is characterized in that, the quick adjustment mechanism comprises a rod body, a base, a pressing piece and a pressing wrench, the base and the pressing piece are relatively arranged and the inner side of the base is provided with a cavity, one end of the pressing piece is a connecting end, the connecting end is fixedly connected with the base through a shaft, the other end of the pressing piece is a cantilever end, the cantilever end is set to be suspended, the rod body is accommodated in a fastening cavity formed by the base and the pressing piece in a surrounding manner, the pressing wrench is connected with the cantilever end of the pressing piece and the base, and the rod body is pressed in the fastening cavity.

A second aspect of the embodiments of the present invention provides a exercise assisting device, wherein the exercise assisting device includes a waist-back frame, a hip joint component and a thigh frame, the waist-back frame includes a back supporting mechanism and a waist connecting rod, the waist connecting rod is disposed at a side of the back supporting mechanism, the hip joint component is disposed at a side of the waist-back frame, the hip joint component is fixedly connected to the waist connecting rod, the hip joint component is in transmission connection with the thigh frame, and the hip joint component can drive the thigh frame to output torque or rotational motion to the waist-back frame;

the exercise assisting device further comprises the rapid adjusting mechanism arranged at the waist and back frame and used for connecting the back supporting mechanism and the waist connecting rod and adjusting the position of the back supporting mechanism and the waist connecting rod; the base of the rapid adjusting mechanism is fixedly connected to the back supporting mechanism, and the rod body of the rapid adjusting mechanism is fixedly connected with the waist connecting rod;

or the base of the quick adjusting mechanism is fixedly connected to the waist connecting rod, and the rod body of the quick adjusting mechanism is fixedly connected to the back supporting mechanism.

A third aspect of the embodiments of the present invention provides a exercise assisting device, wherein the exercise assisting device includes a waist-back frame, a hip joint component and a thigh frame, the hip joint component is disposed at a side of the waist-back frame, the hip joint component is in transmission connection with the thigh frame, and the hip joint component can drive the thigh frame to output torque or rotational motion to the waist-back frame;

the exercise assisting device further comprises the rapid adjusting mechanism, wherein the rapid adjusting mechanism is arranged at the joint of the hip joint part and the thigh frame and is used for the joint and position adjustment of the hip joint part and the thigh frame; the base of the rapid adjusting mechanism is fixedly connected to the hip joint part, and the rod body of the rapid adjusting mechanism is fixedly connected with the thigh frame;

or the base of the rapid adjusting mechanism is fixedly connected to the thigh frame, and the rod body of the rapid adjusting mechanism is fixedly connected to the hip joint part.

An embodiment of the present invention provides a exercise assisting device, wherein the exercise assisting device includes a waist-back frame, a hip joint component and a thigh frame, the waist-back frame includes a back support mechanism and a waist connecting rod, the waist connecting rod is disposed at a side of the back support mechanism, the hip joint component is disposed at a side of the waist-back frame, the hip joint component is fixedly connected with the waist connecting rod, the hip joint component is in transmission connection with the thigh frame, the hip joint component can drive the thigh frame to output torque or rotational motion to the waist-back frame, a back rod is further disposed on the back support mechanism, the back rod extends upwards from the back support mechanism and is disposed at the back of a wearer;

the exercise assisting device further comprises the rapid adjusting mechanism arranged at the waist and back frame and used for connecting the back supporting mechanism with the back rod and adjusting the position of the back supporting mechanism; the base of the rapid adjusting mechanism is fixedly connected to the back supporting mechanism, and the rod body of the rapid adjusting mechanism is fixedly connected with the back rod;

or the base of the rapid adjusting mechanism is fixedly connected to the back rod, and the rod body of the rapid adjusting mechanism is fixedly connected with the back supporting mechanism.

Compared with the prior art, the utility model beneficial effect be: the utility model provides a quick adjustment mechanism just can let the user easily adjust the relative position of the body of rod and base under the condition that does not need the instrument, and then realizes the position adjustment of motion booster unit part structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view illustrating an embodiment of a released state of a quick adjustment mechanism according to the present invention;

fig. 2 is a schematic view illustrating an embodiment of a locking state of a quick adjustment mechanism according to the present invention;

fig. 3 is a schematic view of an embodiment of a pressing sheet of the present invention;

fig. 4 is a schematic view of an embodiment of a rod body according to the present invention;

fig. 5 is a schematic view of an embodiment of an application layout of a quick adjustment mechanism according to the present invention.

The reference numbers are as follows:

1-waist and back frame; 11-back support structure; 12-waist connecting rod; 13-waist strap; 14-a back bar; 15-shoulder straps;

2-a hip joint component;

3-thigh frame; 31-thigh strap;

41-waist width quick adjusting mechanism; 42-leg length quick adjustment mechanism; 43-back height quick adjustment mechanism;

51-a base; 52-a rod body; 53-pressing sheet; 54-compression wrench; 55-a fastening cavity; 521-anti-separation boss; 531-connecting end; 532-cantilever end; 533-fastening convex ribs; 541, connecting rods; 542-wrench arm; 543-cam; 544-hinge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that the couplings referred to herein also refer to connections, and that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Fig. 1 shows an embodiment of a quick adjustment mechanism, which includes a base 51, a rod 52, a pressing plate 53 and a pressing wrench 54. One end of the pressing piece 53 is fixedly connected with the base 51 through a shaft, the end is called a connecting end 531, and the pressing piece 53 can realize rotary motion relative to the base 51 through the shaft of the connecting end 531. The other end of the hold-down piece 53 is suspended and is referred to as a cantilever end 532. The base 51 and the pressing sheet 53 are arranged oppositely, cavities are formed in the inner sides of the base 51 and the pressing sheet 53, a fastening cavity 55 is formed by the base 51 and the pressing sheet 53 in a surrounding mode, and the rod body 52 is contained inside the fastening cavity 55. The pressing wrench 54 contacts the cantilever end 532 of the pressing plate 53, and the pressing wrench 54 presses the cantilever end 532 of the pressing plate 53 and the base 51, so as to press the pressing plate 53, the base 51 and the rod body 52 accommodated in the fastening cavity 55 formed by enclosing the pressing plate 53, the base 51 and the rod body.

The pressing wrench 54 includes a connecting rod 541, a wrench arm 542, and a hinge 544, wherein a cam 543 is disposed at a top end of the wrench arm 542, a through hole is disposed at a center of the cam 543, the cam 543 is connected to the connecting rod 541 through the hinge 544 passing through the through hole, the connecting rod 541 passes through the pressing plate 53 and is fixedly connected to the base 51, and in a specific application scenario, the connecting rod 541 passes through the pressing plate 53 and is fixedly connected to the base 51 by a thread. In a specific application scenario, the edge of the cam 543 contacts with the cantilever end 532 of the pressing piece 53, and more specifically, a concave arc contacting with the cam 543 is disposed at the top of the cantilever end 532, so as to facilitate operation.

Quick adjustment mechanism have locking and loosen two states, fig. 1 demonstrates quick adjustment mechanism's an embodiment under the state of loosening, fig. 2 demonstrates in this embodiment, quick adjustment mechanism is in the schematic diagram under the locking state. When the quick adjustment mechanism is in a locked state, the rod 52 cannot slide and/or rotate freely in the fastening cavity 55, but when in an unlocked state, the rod 52 can slide and/or rotate freely in the fastening cavity 55.

Pressing the tail end of the wrench arm 542 to drive the cam 543 at the top end of the wrench arm 542 to rotate, so as to drive the pressing piece 53 to move towards the base 51, press the pressing piece 53 and the base 51, further press the rod body 52 in the fastening cavity 55, and enable the quick adjustment mechanism to enter a locking state; the wrench arm 542 is lifted, the cam 543 at the top end of the wrench arm 542 is driven to rotate, so that the pressing piece 53 is driven to be away from the base 51, the pressing piece 53 and the base 51 are loosened, the rod body 52 in the fastening cavity 55 is further loosened, and the quick adjustment mechanism enters a loosening state.

And the switching between the locking state and the releasing state requires external force intervention, and the quick adjusting mechanism can keep the current state under the condition of no external force intervention.

Fig. 3 shows a specific structure of an embodiment of the pressing piece 53. The connecting end 531 of the pressing piece 53 has a shaft hole for passing through a shaft to be fixedly coupled (i.e., rotatably coupled) with the base 51 through the shaft. The cantilevered end 532 of the hold down tab 53 includes a through hole for passing through the linkage of the hold down wrench 54. The inner side edges of the pressing pieces 53 are provided with fastening ribs 533, and the fastening ribs 533 are used for enabling the pressing pieces 53 and the rod 52 to have more than two contact points/lines when the pressing wrench 54 drives the pressing pieces 53 and the base 51 to press the rod 52. After the rod body 52 is pressed, two or more contact points/lines can form a larger stress arm length, so that the stability of the locking state of the quick adjusting mechanism is effectively enhanced.

Fig. 4 shows an embodiment and a schematic structure of the rod 52. The rod body 52 is a hollow rod body, the tail end of the rod body is provided with a separation-preventing boss 521, when the quick adjusting mechanism is in a loose state, the fastening cavity 55 is not in close contact with the rod body 52, and the rod body 52 can horizontally slide left and right freely in the fastening cavity 55. When the slide bar slides rightwards to a certain position, the separation-preventing boss 521 is in contact with the pressing sheet 53 and the base 51, and the bar body 52 is prevented from continuously sliding rightwards. Thereby preventing the user from inadvertently withdrawing the shaft when adjusting the exercise assisting device.

In the embodiment shown in fig. 4, only one side of the rod 52 is provided with the anti-separation projection 521, but in some embodiments, the rod 52 is provided with the anti-separation projection 521 in both sliding directions. When the rod 52 has a separation-preventing projection 521 on only one side, the separation prevention in the other sliding direction is realized by depending on the interference of other structures fixedly connected with the base 51 and the rod 52.

Quick adjustment mechanism, use to arrange on motion booster unit, its root purpose is in order not to use tools, just can let the user easily adjust the body of rod 52 with base 51's relative position, and then realize the position control of motion booster unit partial structure. Quick adjustment mechanism, carry out two objects of relative position adjustment with it and be called base and the body of rod respectively, it is just for the convenience to express in fact. In practical use, the base does not necessarily refer to the exercise assisting device main body, and the rod body is not necessarily a rod-shaped movable part, and the positions of the rod body and the rod-shaped movable part can be interchanged.

FIG. 5 is a schematic front view of an embodiment of the quick adjustment mechanism applied to the motion assist device. As shown in the figure, a wearable exercise assisting device worn by a user at the waist includes a waist-back frame 1, a hip joint part 2, and a thigh frame 3. The waist and back frame 1 is a C-shaped mechanism and is divided into a back supporting mechanism 11 and a waist connecting rod 12, and the waist and back frame 1 extends from the back of a wearer to two lateral hips and is in transmission connection with the hip joint part 2. Waist bandage 13 is fixedly connected to the waist connecting rod 12, a locking mechanism is arranged at the tail end of the waist bandage 13, after the locking mechanisms on the left and right waist bandages 13 are connected, the waist and back frame 1 is closed at the waist position of a user through the waist bandage 13. The thigh frame 3 is arranged on both sides of the user's thigh, and is fixed to the user's thigh by the thigh strap 31, and the hip joint part 2 is in transmission connection with the thigh frame 3. The hip joint component 2 can drive the thigh frame 3 to output torque to the waist and back frame 1 or generate relative rotation movement under the control of a control method. The waist and back frame 1 further comprises a back rod 14 and shoulder straps 15, the back rod 14 is connected with the back support mechanism 11, the back rod 14 extends upwards from the back support mechanism 11 and is arranged on the back of a user, the shoulder straps 15 are fixed on the back rod 14, the shoulder straps 15 are arranged on the shoulders of the user, and the exercise assisting device utilizes the back rod 14 and the shoulder straps 15 to realize an assisting function on the waist of the user. In the embodiment shown in fig. 5, the thigh frame 3 is curved from the side to the front of the thigh and then fixed to the thigh of the wearer by the thigh strap 31, so that the moment output from the hip joint part 2 can be applied to the thigh of the user to achieve the walking assisting effect. In another embodiment, the thigh frame 3 is curved from the side to the back of the thigh and then fixed to the wearer's thigh by the thigh strap 31, which also effects the moment output by the hip joint part 2 on the user's thigh.

The exercise assisting device further comprises a power module, wherein the power module can be arranged inside the hip joint part 2 or the power module can be arranged inside the waist and back frame 1 and is transmitted to the hip joint part 2 through the waist frame 1.

The exercise assisting device further comprises a quick adjusting mechanism, and the quick adjusting mechanism can be arranged at different positions according to requirements and is used for size adjustment among different mechanisms. In the present embodiment, the quick adjustment mechanism may include a waist width quick adjustment mechanism 41, a leg length quick adjustment mechanism 42, and a back height quick adjustment mechanism 43.

The waist width quick adjustment mechanism 41 is disposed at the waist-back frame 1, specifically at the back support mechanism 11, and is used for coupling and position adjustment of the back support mechanism 11 and the waist connecting rod 12. The waist width quick adjustment mechanism 41 is symmetrically arranged on the left side and the right side and is respectively in transmission connection with the waist connecting rods 12 on the left side and the right side. The base 51 of the waist width rapid adjusting mechanism 41 is fixedly connected to the back supporting mechanism 11 of the waist-back frame 1, and the rod body 52 thereof is fixedly connected to the waist connecting rod 12, for example, the whole body is fixedly connected; in some embodiments, the base 51 of the waist width quick adjustment mechanism 41 is fixedly connected to the waist connecting rod 12, and the rod 52 thereof is fixedly connected to the back support mechanism 11, for example, integrally connected thereto. When the waist width quick adjustment mechanism 41 is loosened, the waist connecting rod 12 can slide left and right to adjust the waist width of the exercise assisting device, and when the waist width quick adjustment mechanism 41 is locked, the waist connecting rod 12 is locked, and the waist width of the exercise assisting device is determined. In this embodiment, the exercise assisting device at least includes a waist-back frame 1, a hip joint component 2 and a thigh frame 3, wherein the waist-back frame 1 includes a back support mechanism 11 and a waist connecting rod 12, the waist connecting rod 12 is disposed at a side of the back support mechanism 11, the hip joint component 2 is disposed at a side of the waist-back frame 1, the hip joint component 2 is fixedly connected to the waist connecting rod 12, the hip joint component 2 is in transmission connection with the thigh frame 3, and the hip joint component 2 can drive the thigh frame 3 to output torque or rotational motion to the waist-back frame 1. Other structures in fig. 5 may be added as needed.

The leg length fast adjusting mechanism 42 is arranged at the joint of the hip joint part 2 and the thigh frame 3, the leg length fast adjusting mechanism 42 is used for the transmission connection of the hip joint part 2 and the thigh frame 3, the base 51 of the leg length fast adjusting mechanism 41 is fixedly connected on the thigh frame 3, and the rod body 52 is fixedly connected with the hip joint part 2, for example, the rod body is fixedly connected into a whole; in some embodiments, the base 51 of the rapid leg length adjustment mechanism 42 is fixedly coupled to the hip joint part 2, and the rod 52 thereof is fixedly coupled, e.g., integrally coupled, to the thigh frame 3. When the leg length quick adjusting mechanism 42 is released, the thigh frame 3 can slide up and down to adjust the thigh length of the exercise assisting device, and when the leg length quick adjusting mechanism 42 is locked, the thigh frame 3 is locked, and the thigh length of the exercise assisting device is determined. In this embodiment, the exercise assisting device at least includes a waist-back frame 1, a hip joint component 2 and a thigh frame 3, the hip joint component 2 is disposed at a side of the waist-back frame 1, the hip joint component 2 is in transmission connection with the thigh frame 3, and the hip joint component 2 can drive the thigh frame 3 to output torque or rotational motion to the waist-back frame 1. Other structures in fig. 5 may be added as needed.

The back height quick adjusting mechanism 43 is arranged at the waist and back frame 1, the back height quick adjusting mechanism 43 is used for the transmission connection of the back support mechanism 11 and the back rod 14, the base 51 of the back height quick adjusting mechanism 41 is fixedly connected on the back support mechanism 11, and the rod body 52 is fixedly connected with the back rod 14, if the back height quick adjusting mechanism is fixedly connected into a whole; in some embodiments, the base 51 of the back height quick adjustment mechanism 43 is fixedly connected to the back bar 14, and the bar body 52 thereof is fixedly connected to the back support mechanism 11, for example, integrally connected thereto. When the back height quick adjusting mechanism 43 is released, the back rod 14 can slide up and down relative to the back supporting mechanism 11 to adjust the back height of the exercise assisting device, and when the back height quick adjusting mechanism 43 is locked, the back rod 14 is locked, and the back height of the exercise assisting device is determined. In this embodiment, the exercise assisting device at least includes a waist-back frame 1, a hip joint component 2 and a thigh frame 3, wherein the waist-back frame 1 includes a back support mechanism 11 and a waist connecting rod 12, the waist connecting rod 12 is disposed at a side of the back support mechanism 11, the hip joint component 2 is disposed at a side of the waist-back frame 1, the hip joint component 2 is fixedly connected to the waist connecting rod 12, the hip joint component 2 is drivingly connected to the thigh frame 3, the hip joint component 2 can drive the thigh frame 3 to output torque or rotational motion to the waist-back frame 1, a back rod 14 is further disposed on the back support mechanism 11, and the back rod 14 extends upward from the back support mechanism 11 and is disposed on the back of the wearer. Other structures in fig. 5 may be added as needed.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

The above description is for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A quick adjustment mechanism is characterized by comprising a rod body, a base, a pressing piece and a pressing wrench, wherein the base and the pressing piece are oppositely arranged, cavities are formed in the inner sides of the base and the pressing piece, one end of the pressing piece is a connecting end, the connecting end is fixedly connected with the base through a shaft, the other end of the pressing piece is a cantilever end, the cantilever end is arranged in a suspended mode, the rod body is contained in a fastening cavity formed by the base and the pressing piece in a surrounding mode, and the pressing wrench is connected with the cantilever end of the pressing piece and the base and presses the rod body in the fastening cavity.

2. The quick adjustment mechanism of claim 1, wherein the impact wrench comprises a connecting rod and a wrench arm, the wrench arm has a cam at a top end thereof, the cam has a through hole at a center thereof, the cam is coupled to the connecting rod through a hinge passing through the through hole thereof, an edge of the cam contacts with the cantilever end of the impact piece, and the connecting rod passes through the impact piece and is fixedly coupled to the base; pressing the wrench arm, wherein the tail end of the wrench arm rotates downwards to drive the cam to rotate, so that the pressing sheet is driven to move towards the base, the pressing sheet and the base are pressed, a rod body in a fastening cavity enclosed by the pressing sheet and the base is pressed, and the quick adjusting mechanism enters a locking state; and lifting the wrench arm, enabling the wrench arm to rotate upwards to drive the pressing sheet to be far away from the base, loosening the pressing sheet and the base, loosening a rod body in a fastening cavity enclosed by the pressing sheet and the base, and enabling the quick adjusting mechanism to enter a loosening state.

3. The quick adjustment mechanism of claim 2, wherein the link passes through the compression tab and is secured to the base using threads.

4. The quick adjustment mechanism of claim 2, wherein the top of the cantilevered end is provided with a concave arc that contacts the cam.

5. The quick adjustment mechanism of claim 1, wherein said compression tab includes a fastening rib on each side of the inner side thereof.

6. The quick adjustment mechanism of claim 1 wherein one or both sides of the lever body are provided with anti-disengagement tabs.

7. The quick adjustment mechanism of claim 1, wherein the connecting end is provided with a shaft bore for passing through the shaft.

8. A movement assisting device is characterized by comprising a waist-back frame, a hip joint part and a thigh frame, wherein the waist-back frame comprises a back supporting mechanism and a waist connecting rod, the waist connecting rod is arranged on the side of the back supporting mechanism, the hip joint part is arranged on the side of the waist-back frame, the hip joint part is fixedly connected with the waist connecting rod, the hip joint part is in transmission connection with the thigh frame, and the hip joint part can drive the thigh frame to output torque or rotary movement to the waist-back frame;

the exercise assisting device further comprises a quick adjustment mechanism according to any one of claims 1 to 7, arranged at the lumbar back frame for coupling and position adjustment of the back support mechanism with the lumbar connection rod; the base of the rapid adjusting mechanism is fixedly connected to the back supporting mechanism, and the rod body of the rapid adjusting mechanism is fixedly connected with the waist connecting rod;

9. A movement assisting device is characterized by comprising a waist back frame, a hip joint part and a thigh frame, wherein the hip joint part is arranged on the side edge of the waist back frame, the hip joint part is in transmission connection with the thigh frame, and the hip joint part can drive the thigh frame to output torque or rotary movement to the waist back frame;

the exercise assisting device further comprises a quick adjustment mechanism according to any one of claims 1-7, arranged at the connection of the hip part and the thigh frame for connection and position adjustment of the hip part and the thigh frame; the base of the rapid adjusting mechanism is fixedly connected to the hip joint part, and the rod body of the rapid adjusting mechanism is fixedly connected with the thigh frame;

10. A motion assisting device is characterized by comprising a waist-back frame, a hip joint part and a thigh frame, wherein the waist-back frame comprises a back supporting mechanism and a waist connecting rod, the waist connecting rod is arranged at the side of the back supporting mechanism, the hip joint part is arranged at the side of the waist-back frame, the hip joint part is fixedly connected with the waist connecting rod, the hip joint part is in transmission connection with the thigh frame, the hip joint part can drive the thigh frame to output torque or rotary motion to the waist-back frame, a back rod is further arranged on the back supporting mechanism, and the back rod extends upwards from the back supporting mechanism and is arranged on the back of a wearer;

the exercise assisting device further comprises a quick adjustment mechanism according to any one of claims 1 to 7, arranged at the lumbar-back frame for coupling and position adjustment of the back support mechanism with the back bar; the base of the rapid adjusting mechanism is fixedly connected to the back supporting mechanism, and the rod body of the rapid adjusting mechanism is fixedly connected with the back rod;