CN216169727U

CN216169727U - Upper limb exoskeleton power assisting device

Info

Publication number: CN216169727U
Application number: CN202121857850.5U
Authority: CN
Inventors: 魏占宝; 宋胜涛; 王栋; 任毅明
Original assignee: North University of China
Current assignee: North University of China
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-04-05
Anticipated expiration: 2031-08-10

Abstract

The utility model belongs to the technical field of human exoskeleton assistance, and particularly relates to an upper limb exoskeleton assistance device. The technical scheme of the utility model comprises a frame, a large arm device, a small arm device, a booster mechanism and a lying cushion; the large arm device and the small arm device are installed in front of the rack through a large arm fixing frame, the boosting mechanism is arranged on the rack, and the lying pad is arranged on the top surface of the rack. The utility model aims to provide an upper limb exoskeleton power assisting device for the weak pectoralis major and deltoid muscles and the weak pectoralis major and deltoid muscle training people for a long time, so that the trainee can well complete training actions, and simultaneously, the forearm and the pedal power assisting device can be used for supporting weights such as dumbbells and barbells, and the risk that the trainee is injured by smashing due to insufficient force of the big arm is avoided.

Description

Upper limb exoskeleton power assisting device

Technical Field

The utility model belongs to the technical field of human exoskeleton assistance, and particularly relates to an upper limb exoskeleton assistance device.

Background

With the development of society and science and technology, more and more people work in front of computers, and a long-term sitting posture has great burden on the body. To enhance physical fitness, people have begun to choose to go to a gym or some common sport facility for exercise, such as for the pectoralis major and deltoid muscles, and so on. At present, some existing fitness methods for training pectoralis major and deltoids mainly include smith bench press, flat barbell bench press, underbone barbell bench press, dumbbell bird and the like. These movements effectively stimulate the pectoralis major and deltoids, facilitating physical exercise, but face the risk of insufficient strength or exhaustion resulting in physical injury by barbells or dumbbells for beginners and long-term exercisers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an upper limb exoskeleton power assisting device for the weak pectoralis major and deltoid muscles and the weak pectoralis major and deltoid muscle training people for a long time, so that the trainee can well complete training actions, and simultaneously, the forearm and the pedal power assisting device can be used for supporting weights such as dumbbells and barbells, and the risk that the trainee is injured by smashing due to insufficient force of the big arm is avoided.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an upper limb exoskeleton power assisting device comprises a frame, a large arm device, a small arm device, a power assisting mechanism and a lying cushion; the large arm device and the small arm device are installed in front of the rack through a large arm fixing frame, the boosting mechanism is arranged on the rack, and the lying pad is arranged on the top surface of the rack.

Furthermore, the frame consists of an upper bottom plate, a lower bottom plate, an inclined support frame, a vertical support rod, a cross support rod, a cam fixing frame, two large arm fixing frames, a spring fixing frame, a pedal fixing frame and a pedal; the upper bottom plate is positioned at the upper part of the frame; the lower bottom plate is positioned at the lower part of the rack; the inclined support frame is arranged between the upper base plate and the lower base plate; the vertical supporting rod is arranged at the front end of the inclined supporting frame; the cross-shaped support rod is connected with the middle part of the inclined support frame through a pin, and one end of the cross-shaped support rod is connected with the upper bottom plate through a pin; the two large arm fixing frames are symmetrically arranged on two sides in front of the rack; the cam fixing frame is arranged on the outer side of the large arm fixing frame, and the spring fixing frames are arranged on two sides of the rear end of the rack; the pedal fixing frames are symmetrically arranged on two sides of the rear end of the rack; the pedals are connected with the pedal fixing frame through the rotating shaft.

Furthermore, the big and small arm device consists of a big arm, a small arm, a binding band, an adjusting button, a triangular boss, a long connecting rod, a short connecting rod, a push rod and a roller; one end of the large arm is connected with the large arm fixing frame through a stud, and the other end of the large arm is connected with the small arm through a pin; one end of the long connecting rod is connected with the bottom of the large arm, and the other end of the long connecting rod is movably connected with the push rod; one end of the short connecting rod is connected with the bottom of the large arm, and the other end of the short connecting rod is movably connected with the push rod; the roller is fixedly connected to the bottom of the push rod; the adjusting button is arranged on a binding belt, and the binding belt is arranged on the large arm and the small arm; the triangular bosses are symmetrically arranged on two sides of the front end of the small arm close to the large arm.

Furthermore, the boosting mechanism consists of a reel, a cam, a traction rope, a belt wheel and a spring; the cam is tangent to the roller; the reel 3-1 and the cam 3-2 are fixed on the same rotating shaft, and the reel and the cam are rotatably fixed on the cam fixing frame through the rotating shaft; one end of the spring is fixed on the spring fixing frame, and the other end of the spring is connected with one end of the traction rope; the other end of the traction rope winds the reel for a circle; the belt wheel is connected with the pedal through a rotating shaft and is positioned at the rear part of the frame;

furthermore, the lying cushion consists of a head lying cushion, a back lying cushion, a waist lying cushion and a hip lying cushion; the lying pad is composed of a head lying pad, a back lying pad, a waist lying pad and a hip lying pad which are sequentially fixed at the front part, the middle part and the rear part of the top surface of the frame.

Preferably, the hauling cable is a steel wire rope.

Compared with the prior art, the utility model has the following advantages:

the device of the utility model provides power by feet, realizes the passivity and plays a role in protecting people and environment.

The triangular bosses on the inner sides of the large arm and the small arm of the device can prevent the weight of barbells or dumbbells and the like from falling to cause injury to trainers due to the fact that the small arm bends inward by less than 90 degrees when the trainers are exhausted.

The device is convenient to use, and can meet the use requirements of people with different body types by adjusting the adjusting buttons on the small arm and the large arm.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the construction of the housing of the present invention;

FIG. 3 is a schematic structural diagram of a large and small arm device according to the present invention;

FIG. 4 is a schematic structural view of the boosting mechanism of the utility model;

fig. 5 is a schematic structural view of the middle lying cushion of the utility model.

Detailed Description

The technical scheme of the utility model is further described in detail in the following with reference to the attached drawings.

As shown in fig. 1, the upper limb exoskeleton power assisting device of the present embodiment includes a frame 1, a large arm device 2, a small arm device 2, a power assisting mechanism 3 and a lying pad 4; the large arm device 2 and the small arm device are installed in front of the rack 1 through a large arm fixing frame 1-2, the boosting mechanism 3 is arranged on the rack 1, and the lying cushion 4 is arranged on the top surface of the rack 1.

As shown in fig. 2, the frame 1 is composed of an upper bottom plate 1-1, a lower bottom plate 1-9, an inclined support frame 1-7, a vertical support rod 1-10, a cross support rod 1-6, a cam fixing frame 1-8, two big arm fixing frames 1-2, a spring fixing frame 1-5, a pedal fixing frame 1-4 and pedals 1-3; the upper bottom plate 1-1 is positioned at the upper part of the frame 1; the lower bottom plates 1-9 are positioned at the lower part of the frame 1; the inclined support frame 1-7 is arranged between the upper bottom plate 1-1 and the lower bottom plate 1-9; the vertical supporting rods 1-10 are arranged at the front ends of the inclined supporting frames 1-7; the cross support rods 1-6 are connected with the middle parts of the inclined support frames 1-7 through pins, and one ends of the cross support rods 1-6 are connected with the upper bottom plate 1-1 through pins; the two large arm fixing frames 1-2 are symmetrically arranged at two sides in front of the frame 1; the cam fixing frame 1-8 is arranged on the outer side of the large arm fixing frame 1-2, and the spring fixing frame 1-5 is arranged on two sides of the rear end of the rack 1; the pedal fixing frames 1-4 are symmetrically arranged at two sides of the rear end of the frame 1; the pedals 1-3 are connected with the pedal fixing frames 1-4 through rotating shafts.

As shown in fig. 3, the big and small arm device 2 consists of a big arm 2-2, a small arm 2-5, a binding band 2-1, an adjusting button 2-4, a triangular boss 2-3, a long connecting rod 2-9, a short connecting rod 2-6, a push rod 2-8 and a roller 2-7; one end of the large arm 2-2 is connected with the large arm fixing frame 1-2 through a stud, and the other end of the large arm is connected with the small arm 2-5 through a pin; one end of the long connecting rod 2-9 is connected with the bottom of the big arm 2-2, and the other end is movably connected with the push rod 2-8; one end of the short connecting rod 2-6 is connected with the bottom of the large arm 2-2, and the other end is movably connected with the push rod 2-8; the rollers 2-7 are fixedly connected to the bottoms of the push rods 2-8; the adjusting button 2-4 is arranged on the binding band 2-1, and the binding band 2-1 is arranged on the big arm 2-2 and the small arm 2-5; the triangular bosses 2-3 are symmetrically arranged at two sides of the front end of the small arm 2-5 close to the large arm 2-2.

As shown in FIG. 4, the boosting mechanism 3 is composed of a reel 3-1, a cam 3-2, a traction rope 3-3, a belt wheel 3-4 and a spring 3-5; the cam 3-2 is tangent to the roller 2-7; the reel 3-1 and the cam 3-2 are fixed on the same rotating shaft, and the reel 3-1 and the cam 3-2 are rotatably fixed on the cam fixing frame 1-8 through the rotating shaft; one end of the spring 3-5 is fixed on the spring fixing frame 1-5, and the other end of the spring is connected with one end of the traction rope 3-3; the other end of the traction rope 3-3 winds the reel for 3-1 circle; the belt wheel 3-4 is connected with the pedal 1-3 through a rotating shaft and is positioned at the rear part of the frame 1; the traction rope 3-3 is a steel wire rope.

As shown in FIG. 5, the lying cushion 4 is composed of a head lying cushion 4-1, a back lying cushion 4-2, a waist lying cushion 4-3 and a hip lying cushion 4-4; the lying cushion 4 is composed of a head lying cushion 4-1, a back lying cushion 4-2, a waist lying cushion 4-3 and a hip lying cushion 4-4 which are fixed at the front part, the middle part and the rear part of the top surface of the frame 1 in sequence.

The use process and the working principle of the utility model are as follows:

when a trainer lies on the lying cushion 4, the two arms are placed in the big arm device 2 and the small arm device 2, the two feet are placed on the pedals 1 to 3, the springs 3 to 5 are in a certain stretching state, and the near end of the cam 3 to 2 is contacted with the rollers 2 to 7 at the bottom of the push rod 2 to 8. The trainer drives the traction rope 3-3 on the belt wheel 3-4 to rotate by stepping on the pedal 1-3, so that the traction rope 3-3 is shortened; the traction rope 3-3 rotates the reel 3-1 by friction force due to the contraction of the traction rope 3-3; the reel 3-1 and the cam 3-2 are fixed on the same rotating shaft, so that the reel 3-1 drives the cam 3-2 to rotate by the same angle; the cam 3-2 is tangent to the roller 2-7, and when the cam 3-2 rotates, the cam 3-2 changes from the near end to the far end to be contacted with the roller 2-7, so that the push rod 2-8 is driven to move upwards; one end of a long connecting rod 2-9 is connected with the push rod 2-8, and the other end is connected with the bottom of the large arm 2-2; one end of the short connecting rod 2-6 is connected with the push rod 2-8, and the other end is connected with the bottom of the large arm 2-2; when the push rod moves up and down, the long connecting rod 2-9 and the short connecting rod 2-6 are driven to move, so that the large arm 2-2 and the small arm 2-5 are driven to be lifted by the long connecting rod 2-9 and the short connecting rod 2-6; when the pedals 1-3 are reversely rotated, the springs 3-5 are stretched and pulled to return to the initial state, the traction ropes 3-3 are stretched, the stretching of the traction ropes 3-3 drives the reels 3-1 to rotate, the reels 3-1 drive the cams 3-2 to rotate, the cams 3-2 drive the push rods 2-8 to move downwards, the long connecting rods 2-9 and the short connecting rods 2-6 connected with the push rods 2-8 drive the large arms 2-2 and the small arms 2-5 to move downwards to return to the horizontal position, and one lifting action of the large arms 2-2 and the small arms 2-5 is completed, so that the aim of assisting the upper limbs is fulfilled.

Claims

1. An upper limbs ectoskeleton booster unit, characterized by: comprises a frame (1), a big arm device, a small arm device (2), a booster mechanism (3) and a lying cushion (4); big forearm device (2) are installed in the place ahead of frame (1) through big arm mount (1-2), assist drive device (3) are established on frame (1), lie and fill up (4) and establish the top surface in frame (1).

2. The upper limb exoskeleton power assisting device of claim 1, wherein: the frame (1) consists of an upper bottom plate (1-1), a lower bottom plate (1-9), an inclined support frame (1-7), a vertical support rod (1-10), a cross support rod (1-6), a cam fixing frame (1-8), two large arm fixing frames (1-2), a spring fixing frame (1-5), a pedal fixing frame (1-4) and pedals (1-3); the upper bottom plate (1-1) is positioned at the upper part of the frame (1); the lower bottom plate (1-9) is positioned at the lower part of the rack (1); the inclined support frame (1-7) is arranged between the upper bottom plate (1-1) and the lower bottom plate (1-9); the vertical supporting rods (1-10) are arranged at the front ends of the inclined supporting frames (1-7); the cross support rods (1-6) are connected with the middle parts of the inclined support frames (1-7) through pins, and one ends of the cross support rods (1-6) are connected with the upper bottom plate (1-1) through pins; the two large arm fixing frames (1-2) are symmetrically arranged at two sides in front of the rack (1); the cam fixing frame (1-8) is arranged on the outer side of the large arm fixing frame (1-2), and the spring fixing frame (1-5) is arranged on two sides of the rear end of the rack (1); the pedal fixing frames (1-4) are symmetrically arranged at two sides of the rear end of the rack (1); the pedals (1-3) are connected with the pedal fixing frame (1-4) through rotating shafts.

3. The upper limb exoskeleton power assisting device of claim 1, wherein: the big and small arm device (2) consists of a big arm (2-2), a small arm (2-5), a binding band (2-1), an adjusting button (2-4), a triangular boss (2-3), a long connecting rod (2-9), a short connecting rod (2-6), a push rod (2-8) and a roller (2-7); one end of the large arm (2-2) is connected with the large arm fixing frame (1-2) through a stud, and the other end of the large arm is connected with the small arm (2-5) through a pin; one end of the long connecting rod (2-9) is connected with the bottom of the large arm (2-2), and the other end is movably connected with the push rod (2-8); one end of the short connecting rod (2-6) is connected with the bottom of the large arm (2-2), and the other end is movably connected with the push rod (2-8); the rollers (2-7) are fixedly connected to the bottoms of the push rods (2-8); the adjusting button (2-4) is arranged on the binding band (2-1), and the binding band (2-1) is arranged on the large arm (2-2) and the small arm (2-5); the triangular bosses (2-3) are symmetrically arranged on two sides of the front end of the small arm (2-5) close to the large arm (2-2).

4. The upper limb exoskeleton power assisting device of claim 1, wherein: the boosting mechanism (3) consists of a reel (3-1), a cam (3-2), a traction rope (3-3), a belt wheel (3-4) and a spring (3-5); the cam (3-2) is tangent to the roller (2-7); the reel 3-1 and the cam 3-2 are fixed on the same rotating shaft, and the reel 3-1 and the cam 3-2 are rotatably fixed on the cam fixing frame 1-8 through the rotating shaft; one end of the spring (3-5) is fixed on the spring fixing frame (1-5), and the other end of the spring (3-5) is connected with one end of the traction rope (3-3); the other end of the traction rope (3-3) winds the winding wheel (3-1) for one circle; the belt wheel (3-4) is connected with the pedal (1-3) through a rotating shaft and is positioned at the rear part of the frame (1).

5. The upper limb exoskeleton power assisting device of claim 1, wherein: the lying pad (4) consists of a head lying pad (4-1), a back lying pad (4-2), a waist lying pad (4-3) and a hip lying pad (4-4); the lying pad (4) is composed of a head lying pad (4-1), a back lying pad (4-2), a waist lying pad (4-3) and a hip lying pad (4-4) which are sequentially fixed at the front part, the middle part and the rear part of the top surface of the frame (1).

6. The upper limb exoskeleton power assisting device of claim 4, wherein: the traction rope (3-3) is a steel wire rope.