CN107970568B - ankle rehabilitation trainer - Google Patents

Abstract

An ankle joint rehabilitation trainer comprises a base at the lower part and two body rollers at the upper part, wherein the upper surface of the base is provided with two parallel V-shaped concave grooves, each body roller comprises a transverse shaft and two rollers arranged in the middle of the transverse shaft through a bearing, the two rollers are respectively arranged in the two concave grooves, the transverse shaft and the concave grooves are arranged in a vertical cross mode, two ends of each concave groove are provided with travel switches, and two ends of each transverse shaft are provided with a pedal plate and a fixed bandage; one side of each roller is provided with a friction disc sleeved on the cross shaft, one side of the friction disc close to the side surface of the roller is a friction surface, the friction surface is provided with friction materials, the middle part of the friction disc is a circular mounting hole, a limiting lug protruding towards the center is arranged in the mounting hole, the surface of the cross shaft is provided with a sliding groove matched with the limiting lug along the direction of a bus, and the cross shaft is also provided with a resistance adjusting nut for enabling the friction disc to approach the roller. The ankle joint rehabilitation training device has wider application range.

Description

ankle rehabilitation trainer

technical field

The invention relates to the technical field of rehabilitation training equipment used by physically handicapped persons, in particular to an ankle joint rehabilitation training equipment.

Background technique

Some patients, due to accidents or sudden sequelae of cardiovascular and cerebrovascular diseases, will cause limb movement disorders, and need some restorative training to restore the function of their limbs, especially the ankle joint where the legs and feet are connected. The joints that must be used when walking are difficult to restore their functions. In the prior art, most of them use bicycle-like pedals to assist patients in their recovery. The range of motion is relatively large, which is not suitable for initial recovery. Adjustability is not strong, and a new special recovery device needs to be proposed to change this situation.

Contents of the invention

In order to solve the above problems, the object of the present invention is to propose an ankle joint rehabilitation training device.

The technical scheme of the present invention is as follows: an ankle joint rehabilitation training device, comprising a lower base and an upper dual-body roller, characterized in that: the upper surface of the base is provided with two parallel V-shaped concave grooves, the The dual-body roller consists of a horizontal shaft and two rollers installed in the middle of the horizontal shaft through bearings. The distance between the two rollers is the same as the distance between the above two concave grooves, and the two rollers are respectively placed in the two concave grooves. Inside, the horizontal shaft and the concave groove are vertically intersected. Travel switches are provided at both ends of the concave groove, and pedals and fixed bandages are provided at both ends of the horizontal shaft; a set is provided on one side of each roller The friction disc on the horizontal axis, the side of the friction disc close to the side of the roller is the friction surface, the friction material is provided on the friction surface, the middle part of the friction disc is a circular mounting hole, and the mounting hole is provided with a protruding The limit projection is provided with a chute matching the limit projection along the direction of the generatrix on the surface of the horizontal axis, and a resistance adjustment nut for making the friction disc approach the roller is also provided on the horizontal axis.

Preferably, the friction material is a layer of textile bonded on the friction surface, or a rubber layer bonded on the friction surface.

Preferably, the base is composed of two half-bases separated in half along a center line parallel to the transverse axis, wherein one half-base is a solid body, and the other half-base is a thin-walled hollow sleeve, and the solid body The external cross-sectional shape matches the internal cross-sectional shape of the hollow sleeve, the solid body is inserted into the hollow sleeve, the two concave grooves on the solid body match the concave grooves on the hollow sleeve, and the gap between the solid body and the hollow sleeve is The guide through the concave groove can be relatively stretched.

Preferably, the middle part of the solid body is located between the two recessed grooves, and a through hole parallel to the recessed grooves is provided, and a telescopic driving screw passes through the passage, and one end of the screw extends and passes through the hollow The telescopic drive nut on the side wall of the sleeve body, the other end of the screw rod passes through the through hole, and an axial limit card slot is provided at the outer end of the through hole, and an annular limit card slot matching the card slot is provided on the screw rod Ring, the end of this end of the screw rod is provided with an operating handle.

Preferably, travel switches are provided at both ends of the concave groove for detecting the rolling position of the roller.

Preferably, the travel switch is a touch travel switch, and a display screen connected to the travel switch is provided in the middle of the base for displaying the time and times of rolling of the roller.

Technical effect of the present invention is:

The ankle joint rehabilitation training device of this invention adopts a balanced double-roller structure with adjustable resistance. Its movement form is simple, and it is especially suitable for people who are recovering at the initial stage. In addition, after adjusting the resistance and the stroke of the rollers, it can also adapt to people with different leg lengths. At the same time, it can also adapt to people in different recovery states, that is to say, when the resistance is high, it is suitable for people who have passed the initial stage of recovery. In short, the trainer has a wider range of applications.

Description of drawings

Fig. 1 is the top view structure schematic diagram of this ankle joint rehabilitation trainer;

Fig. 2 is a schematic diagram of the A-A sectional structure of Fig. 1;

Fig. 3 is the B-B sectional structure schematic diagram of Fig. 1;

Fig. 4 is the partially enlarged schematic diagram in Fig. 1;

Fig. 5 is the partially enlarged schematic diagram in Fig. 1;

In the figure, 1. The hollow body of the base, 2. The solid body of the base, 3. The V-shaped recessed groove, 4. The telescopic drive screw, 5. The telescopic drive nut, 6. Travel switch, 7. Display screen, 8. Pedal Plate, 9. Horizontal shaft, 10. Roller, 11. Friction plate, 12. Resistance adjustment nut, 13. Limit card slot, 14. Crank handle, 15. Bearing, 16. Friction material, 21. Through hole, 41. Limit ring, 81. bandage, 91. chute, 111. limit projection.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Embodiment 1: Referring to Figures 1-5, an ankle joint rehabilitation training device in the figure includes a lower base and an upper dual-body roller. It is characterized in that: the upper surface of the base is provided with two parallel V-shaped The double-body roller includes a horizontal shaft and two rollers installed in the middle of the horizontal shaft through bearings. The distance between the two rollers is the same as the distance between the above two concave grooves. The two rollers are respectively placed Inside the two concave grooves, the horizontal axis and the concave groove are vertically intersecting. Travel switches are provided at both ends of the concave groove, and pedals and fixed bandages are provided at both ends of the horizontal axis; One side is equipped with a friction disc set on the horizontal shaft, the side of the friction disc close to the side of the roller is a friction surface, the friction surface is provided with friction material, the middle part of the friction disc is a circular mounting hole, and there is a The limit bump protruding toward the center is provided with a slide groove matching the limit bump on the surface of the horizontal axis along the direction of the generatrix, so that the friction disc can only slide axially along the slide groove and cannot rotate with the roller , the horizontal axis is also provided with a resistance adjusting nut that makes the friction disc approach the roller, by turning the adjusting nut, the approaching distance between the friction disc and the roller can be adjusted, thereby adjusting the friction force when the roller rotates.

The friction material is a layer of textile bonded on the friction surface, or a rubber layer bonded on the friction surface.

The base is composed of two half-bases separated in half along the center line parallel to the transverse axis, one of which is a solid body, and the other half-base is a thin-walled hollow sleeve, and the external cross-section of the solid body is The shape matches the internal cross-sectional shape of the hollow sleeve, the solid body is inserted into the hollow sleeve, the two concave grooves on the solid body match the concave grooves on the hollow sleeve, and the hollow sleeve passes through the concave groove The guide can be relatively stretched, and the overall length of the base can be adjusted through the relative stretching of the solid body and the hollow sleeve, that is, the overall length of the concave groove can be adjusted, so as to adapt to people with different leg lengths or different leg strengths.

The middle part of the solid body is located between the two recessed grooves, and a through hole parallel to the recessed grooves is provided. A telescopic driving screw passes through the passage, and one end of the screw extends and passes through and is fixed on the side of the hollow sleeve. The telescopic drive nut on the wall, the other end of the screw rod passes through the through hole, and the outer end of the through hole is provided with an axial limit card slot, and the screw rod is provided with an annular limit ring matching the card slot, and the screw rod When rotating, the limit ring only rotates in the limit card slot, the screw rod does not produce axial movement, and the end of this end of the screw rod is provided with an operating handle. The operating handle can drive the screw to rotate so as to drive the telescopic drive nut to drive the hollow sleeve body to move relative to the solid body, thereby adjusting the overall length of the concave groove.

Both ends of the concave groove are provided with travel switches for detecting the rolling position of the roller. The travel switch is a touch travel switch, and a display screen connected to the travel switch is provided in the middle of the base for displaying the time and times of rolling of the roller. This enables trainees to be urged to resume training activities through the display.

When in use, first determine the overall length of the recessed groove according to the length of the user's legs, so that the relative position of the solid body and the hollow sleeve can be adjusted by turning the handle, and the length of the base can be determined. After adjustment, the person sits on one end of the base On the stool or chair, the feet are respectively fixed to the pedals at both ends of the horizontal axis through bandages. The user’s calf exerts force to drive the double-body rollers to roll back and forth along the two concave grooves. When the rolling reaches the end, touch the travel switch to start Once counted, the number of times counted is displayed on the display, and then combined with the overall training time and times, the training process can be comprehensively evaluated or scored. After installing the microcomputer components for calculation in the base, the evaluation or scoring process can be programmed The calculated evaluation and score are directly displayed on the screen, which is more intuitive, and it is also an incentive or affirmation for rehabilitation trainers.

If you feel that the resistance of the roller is not suitable, you can turn the adjustment nut on the horizontal axis to control the distance between the friction plate and the side of the roller, so that you can adjust the friction of the roller, so that the resistance can be adjusted to a suitable level.

Claims (6)

1. The utility model provides an ankle joint rehabilitation training device, includes the base of lower part and the binary gyro wheel on upper portion, characterized by: the upper surface of the base is provided with two parallel V-shaped concave grooves, the double-body idler wheels comprise a transverse shaft and two idler wheels which are arranged in the middle of the transverse shaft through a bearing, the distance between the two idler wheels is the same as that between the two concave grooves, the two idler wheels are respectively arranged in the two concave grooves, the transverse shaft and the concave grooves are arranged in a vertical cross mode, two ends of each concave groove are provided with travel switches, and two ends of the transverse shaft are provided with a pedal plate and a fixing bandage; one side of each roller is provided with a friction disc sleeved on the cross shaft, one side of the friction disc close to the side surface of the roller is a friction surface, the friction surface is provided with friction materials, the middle part of the friction disc is a circular mounting hole, a limiting lug protruding towards the center is arranged in the mounting hole, the surface of the cross shaft is provided with a sliding groove matched with the limiting lug along the direction of a bus, and the cross shaft is also provided with a resistance adjusting nut for enabling the friction disc to approach the roller.

2. The ankle joint rehabilitation training device according to claim 1, wherein: the friction material is a layer of textile adhered on the friction surface or a layer of rubber adhered on the friction surface.

3. The ankle joint rehabilitation training device according to claim 1, wherein: the base comprises two half bases which are divided into two halves along a central line parallel to the transverse shaft, one half base is a solid body, the other half base is a thin-wall hollow sleeve body, the external cross section shape of the solid body is matched with the internal cross section shape of the hollow sleeve body, the solid body is inserted into the hollow sleeve body, two concave grooves in the solid body are matched with the concave grooves in the hollow sleeve body, and the solid body and the hollow sleeve body can be relatively stretched and contracted through the guiding of the concave grooves.

4. The ankle joint rehabilitation training device according to claim 3, wherein: the middle part of the solid body is provided with a through hole parallel to the two concave grooves, a telescopic driving screw rod penetrates through the through hole, one end of the screw rod extends and penetrates through a telescopic driving nut fixed on the side wall of the hollow sleeve body, the other end of the screw rod penetrates out of the through hole, an axial limiting clamping groove is arranged at the outer end part of the through hole, an annular limiting ring matched with the clamping groove is arranged on the screw rod, and an operating handle is arranged at the end part of one end of the screw rod.

5. The ankle joint rehabilitation training device according to claim 1, wherein: and travel switches are arranged at two ends of the concave groove and used for detecting the rolling position of the roller.

6. The ankle joint rehabilitation training device according to claim 1, wherein: the travel switch is a touch travel switch, and a display screen connected with the travel switch is arranged in the middle of the base and used for displaying the rolling time and the rolling times of the roller.

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