Ankle rotating mechanism of rehabilitation massage chair

Abstract

The utility model discloses an ankle rotating mechanism of a rehabilitation massage chair, which is characterized in that a motor with an upward driving end is arranged on a bottom plate of a base body, a gear a is arranged at the driving end of the motor, and a half circle of meshing teeth are arranged on the gear a in the circumferential direction; two rack frame brackets are arranged at the bottom of a top plate of the base body, a rectangular rack frame is arranged in the two rack frame brackets, a row of outer teeth are arranged on one side of the outer portion of the rack frame in the length direction, two rows of inner teeth are arranged on the two sides in the rack frame, and a gear a is located in the center of the rack frame. A gear b meshed with the outer teeth is arranged on one side of the outer teeth and at the bottom of the top plate of the base body; an arc-shaped groove is formed in the top plate of the base body above the gear b, and an arc-shaped waist-shaped hole is formed in the bottom of one side of the arc-shaped groove; the top end of the driving rod is fixed to the bottom of the arc-shaped block, and a front pedal is fixed to the top of the arc-shaped block; and a rear pedal is hinged between the front pedal and the side plate and on the top plate of the base body. The ankle rotation rehabilitation training device can effectively carry out rotation rehabilitation training on ankles.

Description

Technical Field

[0001] The utility model relates to an ankle rotation mechanism of a rehabilitation massage chair, belonging to the technical field of medical devices. Background Art

[0002] Document CN213788643U mentions a foot flexion and extension mechanism of a rehabilitation massage chair. A first arc-shaped groove and a second arc-shaped groove are opened on the bottom plate, so that the front foot plate pedal reciprocates in the first arc-shaped groove, and the rear foot plate pedal reciprocates in the second arc-shaped groove, effectively helping the user to perform ankle rehabilitation training. Although this can help the user to perform recovery training, when the telescopic rod pushes the connecting rod, the second fixed rod moves in the second arc-shaped groove. Since the size of the second arc-shaped groove is small, when the second fixed rod touches the end of the second arc-shaped groove, the first fixed rod continues to move in the first arc-shaped groove. In this way, the second fixed rod will vibrate the ankle after touching the end of the second arc-shaped groove, and the ankle may feel uncomfortable. Moreover, the electric push rod and the telescopic rod are arranged at a right angle to the bottom plate, which makes the volume of the rehabilitation massage chair larger and the floor area will also increase accordingly. Content of the Utility Model

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an ankle rotation mechanism of a rehabilitation massage chair, which can effectively perform rotational rehabilitation training on the ankle without causing discomfort.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an ankle rotation mechanism of a rehabilitation massage chair, including a base body, a side plate and a leg fixing cylinder. The base body includes a top plate and a bottom plate, and a connecting column is fixed between the top plate and the bottom plate. The side plate is obliquely and fixedly installed on one side of the top of the base body, and the leg fixing cylinder is fixedly installed on the side plate. A motor bracket is fixedly installed on the bottom plate of the base body, and a motor with a driving end facing upward is fixed on the motor bracket. The driving end of the motor is fixedly installed with a gear a, and half a circle of meshing teeth is provided in the circumferential direction of the gear a; above the motor bracket, two rack frame brackets are fixed to the bottom of the top plate of the base body. A chute is provided in each of the two rack frame brackets, and the two chutes are arranged oppositely. A rectangular rack frame is slidably installed in the two chutes. An outer tooth row is provided on the outer side of the rack frame in the length direction, and two inner tooth rows are provided on both sides of the inside of the rack frame in the length direction. The two inner tooth rows are arranged oppositely, and the gear a is located at the center inside the rack frame.

[0005] On this side of the external teeth, a gear b is provided at the bottom of the top plate of the base body. The axle of the gear b is fixed to the top plate of the base body. The gear b is connected to the axle through a bearing. The gear b is meshed and connected with the external teeth. A vertical driving rod is fixed at the edge of the tooth surface of the gear b; above the gear b and the rack frame, an arc groove is provided in the top plate of the base body. A circular-arc-shaped waist-shaped hole is provided at the center of the bottom of one side of the arc groove; an arc-shaped block is fitted in the arc groove. The top end of the driving rod is fixedly connected to the center of the bottom of one side of the arc-shaped block. A front footrest is fixed at the top of this side of the arc-shaped block; between the front footrest and the side plate, a rear footrest is hinged on the top plate of the base body; a strap is provided on the front footrest, and a soft pad is provided on both sides inside the front footrest and both sides inside the rear footrest.

[0006] The beneficial effects of the present utility model are as follows: The present utility model can effectively perform rotational rehabilitation training on the ankle, and there will be no discomfort during the rotational rehabilitation training of the ankle. A reciprocating mechanism is formed through the transmission between the gear and the rack. The reciprocating mechanism drives the front footrest and the arc-shaped block to reciprocate in the arc groove, and the floor area of the rehabilitation massage chair is reduced. Description of the Drawings

[0007] The present utility model will be further described below in conjunction with the drawings and specific embodiments.

[0008] Figure 1 is a schematic structural diagram of the present utility model.

[0009] Figure 2 is Figure 1 the schematic view in the A-A direction of

[0010] Figure 3 is a schematic diagram of the arc groove of the present utility model.

[0011] Figure 4 is a schematic diagram of the positions of the front footrest and the rear footrest of the present utility model.

[0012] Figure 5 is a top view of the leg fixing cylinder of the present utility model.

[0013] Figure 6 is Figure 5 the side view of

[0014] Reference numerals in the drawings:

[0015] 1. Base body, 2. Side plate, 3. Leg fixing cylinder, 4. Motor bracket, 5. Motor, 6. Rack frame bracket, 7. Gear a, 8. Rack frame, 801. External teeth, 802. Internal teeth, 9. Gear b, 10. Driving rod, 11. Arc groove, 12. Waist-shaped hole, 13. Arc-shaped block, 14. Front footrest, 15. Rear footrest. Specific Embodiments

[0016] As shown Figure 1 —6, an ankle rotation mechanism of a rehabilitation massage chair includes a base body 1, a side plate 2 and a leg fixing cylinder 3. The base body 1 includes a top plate and a bottom plate, and connecting columns are fixed between the top plate and the bottom plate. The side plate 2 is obliquely and fixedly installed on one side of the top of the base body 1, and the leg fixing cylinder 3 is fixedly installed on the side plate 2. A motor bracket 4 is fixedly installed on the bottom plate of the base body 1, and a motor 5 with a driving end facing upward is fixed on the motor bracket 4. A gear a7 is fixedly installed on the driving end of the motor 5, and half a circle of meshing teeth is provided in the circumferential direction of the gear a7. Above the motor bracket 4, two rack frame brackets 6 are fixed to the bottom of the top plate of the base body 1. A chute is provided in each of the two rack frame brackets 6, and the two chutes are arranged oppositely. A rectangular rack frame 8 is slidably installed in the two chutes. An outer row of teeth 801 is provided on the outer side of the rack frame 8 in the length direction, and two inner rows of teeth 802 are provided on both inner sides of the rack frame 8 in the length direction. The two inner rows of teeth 802 are arranged oppositely, and the gear a7 is located at the center inside the rack frame 8.

[0017] On this side of the outer teeth 801, a gear b9 is provided at the bottom of the top plate of the base body 1. The axle of the gear b9 is fixed to the top plate of the base body 1, and the gear b9 is connected to the axle through a bearing. The gear b9 is meshed and connected with the outer teeth 801, and a vertically arranged driving rod 10 is fixed to the edge of the wheel surface of the gear b9. At a position above the gear b9 and the rack frame 8, an arc groove 11 is provided in the top plate of the base body 1, and an arc-shaped waist-shaped hole 12 is provided at the center of the bottom of one side of the arc groove 11. An arc-shaped block 13 is fitted and installed in the arc groove 11, and the top end of the driving rod 10 is fixedly connected to the center of the bottom of one side of the arc-shaped block 13. A front footrest 14 is fixed to the top of this side of the arc-shaped block 13. Between the front footrest 14 and the side plate 2, a rear footrest 15 is hinged to the top plate of the base body 1. Straps are provided on the front footrest 14, and soft pads are provided on both inner sides of the front footrest 14 and both inner sides of the rear footrest 15.

[0018] During use, the patient's lower leg is placed in the leg fixing cylinder 3, the front sole of the foot is placed in the front footrest 14, and the heel is placed in the rear footrest 15; the output end of the motor 5 drives the gear a7 to rotate. Since the gear a7 is provided with half a circle of meshing teeth in the circumferential direction, the gear a7 drives the rack frame 8 to make a reciprocating linear motion in the sliding grooves of the two rack frame brackets 6 through the staggered meshing with the inner teeth 802 on both sides inside the rack frame 8; the outer teeth 801 equivalent to the rack move in a reciprocating linear motion together with the rack frame 8. At the same time, the outer teeth 801 drive the gear b9 to make a reciprocating rotation back and forth. The driving rod 10 moves back and forth in the arc-shaped waist-shaped hole 12 along with the gear b9, and drives the arc-shaped block 13 to make a reciprocating rotation in the arc groove 11. The front footrest 14 then makes an arc-shaped reciprocating motion together with the arc-shaped block 13. The rear footrest 15 is hinged to the top plate of the base body 1. In this way, the entire foot makes a reciprocating movement back and forth with the heel as the center, so as to effectively help the user perform rehabilitation training for ankle rotation.

[0019] The size of the waist-shaped hole 12 meets the stroke of the reciprocating movement of the driving rod 10 and there will be no interference; the size of the arc groove 11 meets the stroke of the reciprocating movement of the arc-shaped block 13 and there will be no interference; the size of the rack frame bracket 6 can meet the stroke of the rack frame 8, and the rack frame 8 will never break away from the rack frame bracket 6. The gear b9 and the outer teeth 801 are always in a meshing state; the strap can fix the foot, and the soft pad can improve the comfort of the foot.

Claims

1. An ankle rotation mechanism of a rehabilitation massage chair, comprising a base body (1), a side plate (2) and a leg fixing cylinder (3), the base body (1) comprising a top plate and a bottom plate, a connecting column being fixed between the top plate and the bottom plate, the side plate (2) being fixedly mounted on one side of the top of the base body (1) at an angle, and the leg fixing cylinder (3) being fixedly mounted on the side plate (2), characterized in that: A motor bracket (4) is fixedly mounted on the bottom plate of the base body (1), a motor (5) with a driving end facing upward is fixed on the motor bracket (4), a gear a (7) is fixedly mounted on the driving end of the motor (5), and a half-circle meshing tooth is provided on the gear a (7) in the circumferential direction; above the motor bracket (4), two rack frame brackets (6) are fixed on the bottom of the top plate of the base body (1), each of the two rack frame brackets (6) is provided with a slide groove, the two slide grooves are arranged opposite to each other, a rectangular rack frame (8) is slidably mounted in the two slide grooves, a row of external teeth (801) is provided on the outer side of the rack frame (8) in the length direction, and two rows of internal teeth (802) are provided on the inner sides of the rack frame (8) in the length direction, the two rows of internal teeth (802) are arranged opposite to each other, and the gear a (7) is located at the center of the rack frame (8); On the side of the outer teeth (801), a gear b (9) is installed at the bottom of the top plate of the base body (1), the gear b (9) is meshed with the outer teeth (801), and a vertical driving rod (10) is fixed at the edge of the wheel surface of the gear b (9); an arc groove (11) is provided in the top plate of the base body (1) at the position above the gear b (9) and the rack frame (8), and an arc-shaped waist-shaped hole (12) is provided at the center of the bottom of one side of the arc groove (11); an arc block (13) is installed in the arc groove (11), the top end of the driving rod (10) is fixedly connected to the center of the bottom of one side of the arc block (13), and a front foot pedal (14) is fixed at the top of this side of the arc block (13); between the front foot pedal (14) and the side plate (2), a rear foot pedal (15) is hinged on the top plate of the base body (1) 2. The ankle rotation mechanism of a rehabilitation massage chair according to claim 1, characterized in that: A binding strap is provided on the front footrest (14).

3. The ankle rotation mechanism of a rehabilitation massage chair according to claim 1, characterized in that: Both sides of the interior of the front footrest (14) and both sides of the interior of the rear footrest (15) are provided with a soft pad.

Images