CN217311823U

CN217311823U - Upper limb rehabilitation training and evaluation device

Info

Publication number: CN217311823U
Application number: CN202123337256.6U
Authority: CN
Inventors: 沙瑞虎; 谢波涛; 刘孝甫; 刘帅兵
Original assignee: Henan Xiangyu Medical Equipment Co Ltd
Current assignee: Henan Xiangyu Medical Equipment Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-30
Anticipated expiration: 2031-12-29

Abstract

The utility model provides an upper limbs rehabilitation training, evaluation device, which comprises a case, it installs the driving shaft to rotate on the quick-witted case, the fixedly connected with steering wheel on the driving shaft that is located quick-witted case upper portion, the little synchronous pulley of fixedly connected with on the driving shaft that is located quick-witted incasement, it installs the driven shaft to rotate with the driving shaft parallel in quick-witted case, fixed mounting has big synchronous pulley in the driven shaft, big synchronous pulley below fixed mounting has the cam, the cam changes in the upper and lower direction, install on big synchronous pulley with cam complex elastic friction mechanism, elastic friction mechanism includes the pipe of fixed mounting on big synchronous pulley, the slide bar slides from top to bottom and wears to establish in the pipe, wear to be equipped with the spring on the slide bar, the upper end of spring is spacing under the pipe on the terminal surface, the spacing portion on the slide bar of lower extreme, install the gyro wheel at the lower extreme of slide bar, the gyro wheel is located the cam surface. The device has simple mechanism and complete functions.

Description

Upper limb rehabilitation training and evaluation device

Technical Field

The utility model relates to an upper limbs rehabilitation training equipment, in particular to upper limbs rehabilitation training, evaluation device belongs to medical instrument technical field.

Background

The upper limb rehabilitation training equipment is a rehabilitation therapy apparatus developed for patients with upper limb function damage, and the apparatus has four limb linkage type and upper limb training type, however, the training mode of such devices generally adopts the steps of pulling up and pressing down, which cannot fully cover various types of patients with upper limb dysfunction, most devices can not quantitatively evaluate the patients, so that the patients can directly know the progress and the result of the rehabilitation training, the confidence of the patients is enhanced in the aspect of psychology, the patients can participate in the rehabilitation training more actively, the upper limb rehabilitation training device is used for training and creating positive optimistic emotion of a patient, and the existing upper limb rehabilitation training device is generally large, is suitable for being used in professional rehabilitation training places, and is inconvenient to use at home and move.

Disclosure of Invention

The utility model aims to overcome the above-mentioned problem that exists in the present upper limbs rehabilitation training equipment, provide an upper limbs rehabilitation training, evaluation device.

In order to realize the purpose of the utility model, the following technical proposal is adopted: an upper limb rehabilitation training and evaluation device comprises a case, a driving shaft in the vertical direction is rotatably arranged on the case, a steering wheel is fixedly connected on the driving shaft positioned at the upper part of the case, a small synchronous belt pulley is fixedly connected on the driving shaft positioned in the case, a driven shaft is rotatably arranged in the case in parallel with the driving shaft, a large synchronous belt pulley is fixedly arranged on the driven shaft, a cam is fixedly arranged below the large synchronous belt pulley through synchronous belt transmission, the cam is variable in the upper and lower directions, an elastic friction mechanism matched with the cam is arranged on the large synchronous belt pulley, the elastic friction mechanism comprises a guide pipe fixedly arranged on the large synchronous belt pulley, a sliding rod is arranged in the guide pipe in a penetrating manner in an up and down sliding manner, a spring is arranged on the sliding rod in a penetrating manner, the upper end of the spring is limited on the limiting part of the upper end face and the lower end of the guide pipe is limited on the limiting part of the sliding rod, the lower end of the sliding rod is provided with a roller which is positioned on the cam surface.

Further, the method comprises the following steps of; a permanent magnet is installed on the driving shaft, a magnetic rotary encoder is fixedly installed on the support under the driving, and the magnetic rotary encoder is connected to the controller.

Further, the method comprises the following steps of; a torque sensor is mounted on the drive shaft and connected to a controller.

Further, the method comprises the following steps of; the elastic friction mechanism is provided with a plurality of sets of large synchronizing wheels.

Further, the method comprises the following steps of; the upper end surface of the cam is provided with a plurality of screw holes.

The utility model discloses an actively beneficial technological effect lies in: this device mechanism is simple, and the function is complete, can carry out the rehabilitation training of upper limbs muscle, can also carry out the rehabilitation training of upper limbs joint, through adopting different springs, adopt the elastic friction mechanism of different quantity to change the resistance in the training, with the different stages of adaptation different patients and rehabilitation process, through angle sensor, many-sided index such as the rotation angle that torque sensor can appraise the patient, muscle strength, can scientific formulate the rehabilitation training plan, be favorable to optimizing and shortening the rehabilitation training process.

Drawings

Fig. 1 is an overall schematic view of the present apparatus.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 is a schematic view of the cam with a stop lever mounted thereon.

Detailed Description

In order to explain the utility model more fully, the utility model provides an implementation example. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.

The invention is explained in further detail with reference to the drawings, in which the reference symbols are: 1: a chassis; 2: a drive shaft; 3: a steering wheel; 4: a small synchronous pulley; 5: a large synchronous pulley; 6: a synchronous belt; 7: a cam; 8: a conduit; 9: a slide bar; 10: a roller; 11: a permanent magnet; 12: a magnetic encoder; 13: a driven shaft; 14: a spring; 15: a limiting rod; 16: a limiting part.

As shown in the attached drawings, the upper limb rehabilitation training and evaluation device comprises a case 1, a driving shaft 2 in the vertical direction is rotatably mounted on the case, a steering wheel 3 is fixedly connected to the driving shaft on the upper portion of the case, a torque sensor is mounted on the driving shaft and connected to a controller, the torque sensor is not shown in the drawing, and the torque sensor can be connected to the driving shaft in a coupling mode or can be mounted between the driving shaft and the steering wheel.

A permanent magnet 11 is installed on the driving shaft, and a magnetic rotary encoder 12 is fixedly installed on a support under the driving shaft and connected to the controller. This makes it possible to detect the rotation angle of the drive shaft.

A small synchronous belt pulley 4 is fixedly connected to a driving shaft in a case, a driven shaft 13 is rotatably mounted in the case in parallel with the driving shaft, a large synchronous belt pulley 5 is fixedly mounted on the driven shaft, the small synchronous belt pulley 4 and the large synchronous belt pulley 5 are driven by a synchronous belt 6, a cam 7 is fixedly mounted below the large synchronous belt pulley, the cam is variable in diameter in the up-down direction, an elastic friction mechanism matched with the cam is mounted on the large synchronous belt pulley, the elastic friction mechanism comprises a guide pipe 8 fixedly mounted on the large synchronous belt pulley, a sliding rod 9 is vertically slidably arranged in the guide pipe, a spring 14 is arranged on the sliding rod in a penetrating manner, the upper end of the spring is limited on the lower end face of the guide pipe, the lower end of the spring is limited on a limiting part 16 on the sliding rod, a roller 10 is mounted at the lower end of the sliding rod, and the roller is located on a cam face; the roller 10 may be a universal wheel. When the roller rotates on the cam, the spring is compressed to generate acting force on the roller, and resistance is formed.

More optimally, the elastic friction mechanisms are provided with a plurality of sets of large synchronizing wheels, so that the resistance in the training and evaluation process can be changed, and the elastic friction mechanisms are suitable for patients with different degrees and different stages of the rehabilitation training process.

More optimally, a plurality of screws have been seted up at the cam, the screw can be located the movement track of up end gyro wheel, be used for connecting the gag lever post soon in the screw, gag lever post accessible screw rod connects soon in the screw of cam upper surface, 15 shows to be a gag lever post, the connection can be dismantled in the formation, patient pivoted angle to some can not be random, can adopt one or two gag lever posts to make the steering wheel at the within range internal rotation of settlement, the screw also can not be on the movement track of gyro wheel, realize spacing to the gyro wheel motion through the gag lever post that rolls over shape or crooked.

When the device is used, the case is fixed at a proper height position, so that the device is convenient to move and can be used at home, and when the device is used, the case can also be inclined properly according to the condition of a patient.

After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.

Claims

1. The utility model provides an upper limbs rehabilitation training, evaluation device, includes quick-witted case, its characterized in that: a driving shaft in the vertical direction is rotatably arranged on the case, a steering wheel is fixedly connected to the driving shaft positioned at the upper part of the case, a small synchronous pulley is fixedly connected to the driving shaft positioned in the case, a driven shaft is rotatably arranged in the case in parallel with the driving shaft, a large synchronous pulley is fixedly arranged on the driven shaft, the small synchronous pulley and the large synchronous pulley are in synchronous belt transmission, a cam is fixedly arranged below the large synchronous pulley, the cam is variable in diameter in the up-down direction, an elastic friction mechanism matched with the cam is arranged on the large synchronous pulley, the elastic friction mechanism comprises a guide pipe fixedly arranged on the large synchronous pulley, a sliding rod is vertically slidably arranged in the guide pipe, a spring is arranged on the sliding rod in a penetrating manner, the upper end of the spring is limited on the limiting part of the lower end surface of the guide pipe, the lower end of the spring is limited on the limiting part of the sliding rod, and a roller is arranged at the lower end of the sliding rod, the roller is located on the cam surface.

2. The upper limb rehabilitation training and evaluation device according to claim 1, wherein: a permanent magnet is installed on the driving shaft, a magnetic rotary encoder is fixedly installed on the support under the driving, and the magnetic rotary encoder is connected to the controller.

3. The upper limb rehabilitation training and evaluation device according to claim 1, wherein: a torque sensor is mounted on the drive shaft and connected to a controller.

4. The upper limb rehabilitation training and evaluation device according to claim 1, wherein: the elastic friction mechanism is provided with a plurality of sets of large synchronizing wheels.

5. The upper limb rehabilitation training and evaluation device according to claim 1, characterized in that: the upper end surface of the cam is provided with a plurality of screw holes.