CN108095977A - A kind of polar coordinate system disc type upper limb healing equipment - Google Patents

Abstract

The invention discloses a disc-type upper limb rehabilitation device in a polar coordinate system. There is a screw shaft that can reciprocate in the linear stepping motor, the screw shaft is provided with an arm plate, the arm plate is provided with a handle part, the bottom end of the shaft part is connected with a reducer, and the reducer is Equipped with motor. The invention rotates and connects the rotating shaft part through the platform plate, and the rotating shaft part drives the arm plate to make a disk-shaped circular motion through the handle part to perform rehabilitation training for the patient's upper limbs; the position of the inner screw shaft is changed by a linear stepping motor, thereby changing the handle The distance between the upper part and the rotating shaft part, and then change the turning radius of the arm plate, automatic adjustment, strong applicability; through the installation of a reducer and a motor on the rotating shaft part, the rotating shaft part can actively rotate, assisting the rehabilitation training of the patient's upper limbs, and the overall function is perfect. Strong practicality.

Description

A polar coordinate system disc type upper limb rehabilitation equipment

technical field

The invention relates to the technical field of medical devices, in particular to a disc-type upper limb rehabilitation device in a polar coordinate system.

Background technique

Hemiplegia and the upper limb function damage caused by the operation have seriously affected the daily life of the patient. Rehabilitation in the later stage is particularly important for the recovery of the upper limb function of the patient. The traditional rehabilitation methods mainly rely on one-on-one service of physical therapists, but there are physical therapy Insufficient number of teachers and high workload.

Most of the existing upper limb rehabilitation equipment mainly focuses on passive training of patients, the training mode is single, and cannot provide active training platform for patients, and the existing upper limb rehabilitation equipment lacks the detection of patient training movement data, and cannot detect the state changes of patients during the training process. And the training angle is single and cannot be adjusted, but it is relatively weak to keep the upper limbs in one posture for a long time for recovery training, which is not conducive to the comprehensive rehabilitation of the upper limbs.

In addition, even if the existing upper limb rehabilitation equipment is equipped with a training platform, because the rotating arm cannot be adjusted, the rotating radius is fixed. For people with different arm lengths, the comfort during use is greatly reduced, and the overall effect is not good. Accordingly, the present invention proposes a disc type upper limb rehabilitation device in a polar coordinate system.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings in the above-mentioned prior art, and provide a disc-type upper limb rehabilitation equipment in a polar coordinate system. The upper limb rehabilitation equipment has adjustable training platform height, adjustable rotation radius, strong applicability and good comfort. Features, and can detect the patient's training exercise data.

In order to solve the above-mentioned technical problems, the object of the present invention is achieved as follows: a polar coordinate system disc-type upper limb rehabilitation equipment involved in the present invention includes a base, a platform plate is arranged on the base, and a rotating shaft is rotatably connected to the platform plate The top of the rotating shaft is provided with a linear stepping motor, the linear stepping motor runs through a screw shaft that can reciprocate in the linear stepping motor, the screw shaft is provided with an arm plate, and the arm plate is provided with a handle part, the bottom end of the rotating shaft part is connected with a reducer, and the reducer is provided with a motor.

As a further solution of the present invention: the platform board is hinged to the base, and an electric push rod is provided under the platform board, one end of the electric push rod is hinged to the platform board, and the other end is hinged to the base.

As a further solution of the present invention: a buffer is provided under the platform board, one end of the buffer is hinged to the platform board, and the other end is hinged to the base.

As a further solution of the present invention: the rotating shaft part includes a lower rotating shaft and an upper rotating shaft fixedly connected to the lower rotating shaft, a ball bearing is sleeved on the upper rotating shaft, and the ball bearing is embedded in the platform plate.

As a further solution of the present invention: an electric slip ring is sheathed on the rotating shaft portion, and the electric slip ring is fixedly connected to the platform plate.

As a further solution of the present invention: the arm plate has two side plates, and the two side plates are respectively fixedly connected to the two ends of the screw shaft, and the linear stepping motor is provided with a groove block, and a solid body is slidably connected in the groove block. The guide rail connected to the bottom surface of the arm plate.

As a further solution of the present invention: the handle part includes a fixed rod fixedly connected to the arm plate, a rotating bearing sleeved on the upper and lower ends of the fixed rod, and a handle covered on the rotating bearing.

As a further solution of the present invention: the bottom end of the rotating shaft part is connected to the speed reducer through a coupling.

As a further solution of the present invention: the speed reducer is a right-angle planetary speed reducer.

As a further solution of the present invention: the base is also provided with counterweights.

The beneficial effect of the present invention is: the polar coordinate system disc-type upper limb rehabilitation equipment involved in the present invention connects the rotating shaft through the rotation of the platform plate, and the rotating shaft drives the arm plate to make a disc-shaped circular motion through the handle part to perform rehabilitation on the patient's upper limbs Training; change the position of the inner screw shaft through the linear stepping motor, thereby changing the distance between the handle part and the rotating shaft part, and then changing the turning radius of the arm plate, automatic adjustment, strong applicability; through setting the reducer on the rotating shaft part and The motor makes the rotating shaft actively rotate, assisting the rehabilitation training of the patient's upper limbs; through the setting of the electric push rod and the buffer, the angle between the platform plate and the horizontal plane can be adjusted, so as to meet the needs of the patient, improve the comfort of use, and improve the overall function. Perfect and practical.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a partial structural representation of the present invention;

Fig. 3 is a structural schematic diagram of the handle portion and the arm plate portion;

Fig. 4 is a schematic diagram of the internal structure of the handle portion;

Explanation of reference signs: 1. base; 2. platform plate; 3. rotating shaft; 31. lower rotating shaft; 32. upper rotating shaft; 4. linear stepping motor; 5. screw shaft; 6. arm plate; 61. side Plate; 7, handle portion; 71, fixed rod; 72, rotating bearing; 73, handle; 8, reducer; 9, motor; 10, electric push rod; 11, buffer; 12, ball bearing; 13, electric slide Ring; 14, groove block; 15, guide rail; 16, shaft coupling; 17, counterweight.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.

As shown in Figures 1 to 4, a polar coordinate system disc-type upper limb rehabilitation device involved in this embodiment includes a base 1, a platform plate 2 is provided on the base 1, and a rotating shaft is connected to the platform plate 2 in rotation 3. A linear stepping motor 4 is provided on the top of the rotating shaft part 3, and a screw shaft 5 that can reciprocate in the linear stepping motor 4 runs through the linear stepping motor 4, and an arm plate 6 is provided on the screw shaft 5 , The arm plate 6 is provided with a handle part 7, the bottom end of the rotating shaft part 3 is connected with a reducer 8, and the reducer 8 is provided with a motor 9.

In this embodiment, when the patient holds the handle part 7, the motor 9 starts and is driven by the reducer 8, so that the rotating shaft part 3 rotates slowly on the platform board 2, and makes the linear stepper motor 4 and the arm board 6 rotate together , because the arm plate 6 is connected with the handle portion 7, when the patient holds it in the hand, the arm plate 6 will rotate and perform a circular circular motion to carry out rehabilitation training for the patient's upper limbs; the linear stepping motor 4 can also be operated to make Adjust the screw shaft 5 to reciprocate in the linear stepping motor 4, change the distance between the handle part 7 and the rotating shaft part 3, and choose a most comfortable distance to perform rehabilitation training on the patient's upper limbs.

Further, the platform board 2 is hinged to the base 1, and an electric push rod 10 is provided under the platform board 2, one end of the electric push rod 10 is hinged to the platform board 2, and the other end is hinged to the base 1; There is also a buffer 11 below the platform board 2, one end of the buffer 11 is hinged to the platform board 2, and the other end is hinged to the base 1, and the platform board hinged on the base 1 is realized by pushing and pulling the electric push rod 10. 2, changing the angle between the platform board 2 and the horizontal plane, so as to meet the needs of patients; the use of the buffer 11 plays a role in buffering and shock absorption, and also plays a role in assisting the adjustment of the platform board 2 lifting .

Further, the rotating shaft part 3 includes a lower rotating shaft 31 and an upper rotating shaft 32 fixedly connected to the lower rotating shaft 31. The upper rotating shaft 32 is sleeved with a ball bearing 12, and the ball bearing 12 is embedded in the platform plate 2 to facilitate the rotation of the rotating shaft. The part 3 rotates in the platform plate 2, so as to prevent the stuck phenomenon and increase the flexibility of rotation.

Further, an electric slip ring 13 is sheathed on the rotating shaft part 3, and the electric slip ring 13 is fixedly connected to the platform board 2. When the arm board 6 on the platform board 2 is continuously rotated by the patient without restriction, it can Transmission power supply and signal power supply are convenient for signal collection and data detection.

Further, the arm plate 6 has two side plates 61, and the two side plates 61 are fixedly connected to the two ends of the screw shaft 5 respectively, and the linear stepping motor 4 is provided with a groove block 14, and the groove block 14 slides A guide rail 15 fixed on the bottom surface of the arm plate 6 is connected, through the operation of the linear stepping motor 4, the screw shaft 5 running through the linear stepping motor 4 reciprocates, and the guide rail 15 slides in the groove block 14, It plays a guiding role and makes the upper end surface of the arm plate 6 more stable without deflection, making the patient more stable when using it.

Further, the handle portion 7 includes a fixed rod 71 fixedly connected to the arm plate 6, a rotating bearing 72 sleeved on the upper and lower ends of the fixed rod 71, and a handle 73 covered on the rotating bearing 72. The handle 73 passes through the rotating bearing 72 It can be rotatable on the fixed rod 71, so that the patient can hold and pinch their hands more comfortably during use, and it is convenient to rotate the arm board 6 for rehabilitation training of the upper limbs.

Further, the bottom end of the rotating shaft part 3 is connected to the reducer 8 through a coupling 16, which is used to connect the reducer 8 and the rotating shaft part 3 to realize transmission.

Further, the speed reducer 8 is a right-angle planetary speed reducer. The ordinary speed reducer is directly connected to the motor so that the height or length of the equipment is relatively large, which limits the overall size of the equipment. However, the use of the right-angle planetary speed reducer can make reasonable use of space and reduce The size of the small equipment is small, and the right-angle planetary reducer has the characteristics of large transmission ratio range, high efficiency, stable operation and low noise.

Further, the base 1 is also provided with counterweights 17 for lowering the center of gravity of the equipment and increasing the overall stability of the equipment.

The invention rotates and connects the rotating shaft part through the platform plate, and the rotating shaft part drives the arm plate to make a disk-shaped circular motion through the handle part to perform rehabilitation training for the patient's upper limbs; the position of the inner screw shaft is changed by a linear stepping motor, thereby changing the handle The distance between the upper part and the rotating shaft part can be adjusted to change the radius of rotation of the arm plate, which can be adjusted automatically and has strong applicability; through the installation of a reducer and a motor on the rotating shaft part, the rotating shaft part can automatically rotate to assist the rehabilitation training of the patient's upper limbs; through the electric push rod And the setting of the buffer, the angle between the platform plate and the horizontal plane can be adjusted, so as to meet the needs of patients, improve the comfort of use, the overall function is perfect, and the practicability is strong.

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. A disc-type upper limb rehabilitation device in a polar coordinate system, including a base (1), characterized in that: the base (1) is provided with a platform plate (2), and the platform plate (2) is rotatably connected with a rotating shaft ( 3), the top of the rotating shaft (3) is provided with a linear stepping motor (4), and the linear stepping motor (4) runs through a screw shaft (5) that can reciprocate in the linear stepping motor (4) , the screw shaft (5) is provided with an arm plate (6), the arm plate (6) is provided with a handle part (7), the bottom end of the shaft part (3) is connected with a reducer (8), and the reducer ( 8) A motor (9) is arranged on it. 2. The polar coordinate system disc-type upper limb rehabilitation equipment according to claim 1, characterized in that: the platform board (2) is hinged to the base (1), and an electric push rod is arranged under the platform board (2) (10), one end of the electric push rod (10) is hinged to the platform plate (2), and the other end is hinged to the base (1). 3. The polar coordinate system disk-type upper limb rehabilitation device according to claim 2, characterized in that: a buffer (11) is provided under the platform board (2), and one end of the buffer (11) is connected to the platform board (2) is hinged, and the other end is hinged with the base (1). 4. The polar coordinate system disk-type upper limb rehabilitation device according to claim 1, characterized in that: the shaft part (3) includes a lower shaft (31) and an upper shaft (32) fixed on the lower shaft (31) , the upper rotating shaft (32) is sleeved with a ball bearing (12), and the ball bearing (12) is embedded in the platform plate (2). 5. The polar coordinate system disc-type upper limb rehabilitation device according to claim 1 or 4, characterized in that: an electric slip ring (13) is sheathed on the shaft part (3), and the electric slip ring (13) and The platform board (2) is fixedly connected. 6. The polar coordinate system disk-type upper limb rehabilitation device according to claim 1, characterized in that: the arm board (6) has two side boards (61), and the two side boards (61) are respectively fixed on the wire At both ends of the rod shaft (5), the linear stepper motor (4) is provided with a groove block (14), and the groove block (14) is slidingly connected with a guide rail (15) fixed on the bottom surface of the arm plate (6). ). 7. The polar coordinate system disk-type upper limb rehabilitation device according to claim 1, characterized in that: the handle part (7) includes a fixed rod (71) fixed on the arm plate (6), sleeved on the fixed The rotating bearing (72) at the upper and lower ends of the rod (71) and the handle (73) covered on the rotating bearing (72). 8. The polar coordinate system disk-type upper limb rehabilitation device according to claim 1, characterized in that: the bottom end of the rotating shaft (3) is connected to the reducer (8) through a coupling (16). 9. The polar coordinate system disk-type upper limb rehabilitation device according to claim 1, characterized in that: the reducer (8) is a right-angle planetary reducer. 10. The polar coordinate system disc-type upper limb rehabilitation device according to claim 1, characterized in that: the base (1) is further provided with a counterweight (17).