CN217489202U - Lower limb joint training device - Google Patents

Abstract

The utility model discloses a lower limb joint training device, which comprises a bracket component and a suspension bracket component, wherein the bracket component is used for fixing a motor reducer, one end of a rocker arm rod is fixed at the front end and the rear end of an output shaft of the motor reducer, two rocker arm rods are arranged along the circumferential direction by 180 degrees, the right pedal component comprises a bracket, the other end of the rocker arm rod at the right side is rotatably connected with a right bracket, a right pedal and the lower end of a right bracket are fixed by the right bracket, a right crus bracket is fixed at the upper end of the right bracket, the suspension bracket component is fixed by the bracket component, a right traction rope and a left traction rope arranged on the suspension bracket component are respectively connected with the upper end of the right bracket and the upper end of a left bracket of the left pedal component through hooks, the lengths of the right traction rope and the left traction rope can be adjusted, the right traction rope and the left traction rope can be used for traction the support parts of the right crus and the left crus of patients to prevent the uncertain motion of the crus in rehabilitation training, the safety and the comfort level in the rehabilitation process are improved.

Description

Lower limb joint training device

Technical Field

The utility model belongs to the technical field of medical equipment, a low limbs joint trainer is related to.

Background

The rehabilitation training is the most effective and safest important means for improving the limb movement ability of patients due to diseases, brain trauma and the like, some patients cannot sit and stand for rehabilitation training at present and need to adopt a lying mode for rehabilitation training, and the existing lower limb rehabilitation training device is designed in a sitting and standing mode and is inconvenient for the patients to use.

The rehabilitation training device adopts the motor reducer fixed by the bracket component to drive the two rocker arms arranged in 180-degree circumferential direction to rotate, and the rocker arms drive the pedals to move, so that the lower limb rehabilitation training of a patient is realized; the support assembly is fixed on the suspension frame assembly, the suspension frame assembly is bilaterally symmetrical, the adjusting sleeve arranged on the suspension frame is wound and fixed with the traction rope, the quick bolt arranged on the suspension frame assembly is inserted into the ratchet on the adjusting sleeve, when the length of the traction rope needs to be adjusted, the quick bolt is pulled out, after the length of the traction rope is adjusted, the quick bolt is inserted into the ratchet on the adjusting sleeve, the adjusting sleeve is prevented from rotating, the traction rope pulls the supporting part of the crus of a patient, the uncertain motion of the crus of the patient in rehabilitation training is prevented, and meanwhile, the safety in the rehabilitation process is improved; the shank bracket fixed on the shank supporting part of the patient can adjust and use the supporting and pulling position of the patient's shank, thereby improving the comfort of the patient.

Disclosure of Invention

The utility model discloses aim at: the lower limb joint training device is characterized in that a support assembly is fixed on a lifting support or fixed on the bedside of a patient and a motor reducer fixed on a support arm drives two rocker arms axially arranged at 180 degrees to rotate to drive the lower limbs on two sides of the patient to move, and a lower limb support part is suspended by a suspension frame assembly, and the suspension height is adjustable.

The technical scheme of the utility model is realized like this: a lower limb joint training device comprises a bracket assembly 1, a suspension bracket assembly 2, a right pedal assembly 3 and a left pedal assembly 4, wherein the bracket assembly 1 comprises a support pipe 101 and rocker arms 103, the support pipe 101 is fixedly provided with a motor speed reducer 5, the front end and the rear end of an output shaft of the motor speed reducer 5 are respectively fixedly provided with one end of one rocker arm 103, the two rocker arms 103 are arranged at 180 degrees along the circumferential direction of the output shaft of the motor speed reducer, the bracket assembly 1 is in a bilateral symmetry structure, and the right pedal assembly 3 and the left pedal assembly 4 are arranged in bilateral symmetry about the bilateral symmetry plane of the bracket assembly 1;

the right pedal assembly 3 comprises a bracket 301, the other end of the rocker arm rod 103 on the right side is rotatably connected with the right bracket 301, the right bracket 301 fixes the lower ends of a right pedal 302 and a right bracket 303, and the upper end of the right bracket 303 fixes a right shank bracket 305;

the supporting tube 101 is fixed on the suspension bracket assembly 2, a right pulling rope 212 and a left pulling rope 206 arranged on the suspension bracket assembly 2 are respectively hung on the upper end of the right bracket 303 and the upper end of the left bracket of the left pedal assembly 4 through hooks, and the lengths of the right pulling rope 212 and the left pulling rope 206 are adjustable.

Preferably, the structure that the length of the right pulling rope can be adjusted is as follows: the suspension bracket assembly 2 comprises a bent arm frame 201, a support sleeve 202, a central shaft 214, a left side adjusting mechanism and a right side adjusting mechanism, wherein the left side adjusting mechanism and the right side adjusting mechanism are arranged in bilateral symmetry about a bilateral symmetry plane of the bracket assembly 1, the right side adjusting mechanism comprises a right quick bolt 208, a right adjusting sleeve 211 and a right traction rope 212, the front end of the bent arm frame 201 is fixed on the support tube 101, the rear end of the bent arm frame extends out towards the upper part and the rear part, the support sleeve 202 is fixed at the rear end of the support tube 101, the middle part of the central shaft 214 is fixed by the support sleeve 202, the right adjusting sleeve 211 is rotatably arranged at the right side of the central shaft 214, one end of the right traction rope 212 is fixed and wound in the middle part of the right adjusting sleeve 211, a right hook 213 is fixed at the other end of the right traction rope 212, and the support sleeve 202 is provided with a rotating and stopping device of the right adjusting sleeve 211.

Preferably, the structure of the rotation and stop device of the right adjusting sleeve 211 arranged on the supporting sleeve 202 is as follows: the right ratchet gear is arranged on the outer side of the left end of the right adjusting sleeve 211, the right quick bolt 208 is inserted into a round hole formed in the right side of the supporting sleeve 202, and the lower end of the right quick bolt 208 is inserted into a ratchet of the right ratchet gear to prevent the right adjusting sleeve 211 from rotating when the right pulling rope 212 is pulled.

Preferably, the right pedal assembly 3 further includes a right bracket 301, a right pedal 302, a right support 303, a right locking jackscrew 304, a right calf bracket 305, a right handle jackscrew 306, a right semicircular support 309, and a right bracket rotating shaft 310, the other end of the rocker arm lever 103 on the right side is fixedly connected with the left end of the right bracket rotating shaft 310, the right end of the right bracket rotating shaft 310 is rotatably installed at the lower end of the L-shaped vertical side of the right bracket 301, the right bracket 301 is L-shaped, the right pedal 302 is fixed at the L-shaped horizontal side of the right bracket 301, the lower end of the right support 303 is fixed at the L-shaped vertical side of the right bracket 301, the right support 303 is located at the rear side of the right bracket rotating shaft 310, the right support 303 is perpendicular to the upper surface of the right pedal 302, the right locking jackscrew 309 fixes the left end of the right semicircular support at the upper end of the right support 303, the right semicircular support 309 fixes the left end of the right calf bracket 305, and the right hook 213 is hung at the left side of the right locking jackscrew 304. The right hook 213 is hung on the left side of the right locking jackscrew 304.

Preferably, the right semicircular bracket 309 is arc-shaped, the central axis of the right semicircular bracket 309 is perpendicular to the upper surface of the right pedal 302, the right lower leg bracket 305 is arc-shaped, the left side and the right side of the middle of the right lower leg bracket 305 are respectively provided with a connecting protrusion, the right semicircular bracket 309 is provided with a long groove along the circumferential direction, and the two right handle jackscrews 306 are respectively screwed into a threaded hole of the connecting protrusion after penetrating through the long groove, so that the fixing position of the right lower leg bracket 305 fixed on the right semicircular bracket 309 can be adjusted.

Preferably, the right quick latch 208 is directly inserted into a circular hole formed on the right side of the support sleeve 202, or screwed into a circular hole formed on the right side of the support sleeve 202 by using a screw pair.

Preferably, the rear end of the support tube 101 is fixed to the patient's bedside or to a movable lifting frame.

Compared with the prior art, the utility model has the advantages of as follows:

the rehabilitation trainer adopts a motor reducer fixed by a bracket component to drive two rocker arms arranged at 180 degrees in the circumferential direction to rotate, and the rocker arms drive a pedal to move so as to realize the lower limb rehabilitation training movement of a patient; the support assembly is fixed on the suspension frame assembly, the suspension frame assembly is bilaterally symmetrical, the adjusting sleeve arranged on the suspension frame is wound on the fixed pulling rope, the quick bolt arranged on the suspension frame assembly is inserted into the ratchet on the adjusting sleeve, when the length of the pulling rope needs to be adjusted, the quick bolt is pulled out, the quick bolt is inserted into the ratchet on the adjusting sleeve after the length of the pulling rope is adjusted, the adjusting sleeve is prevented from rotating, the pulling rope pulls the supporting part of the crus of the patient, the uncertain motion of the crus of the patient in rehabilitation training is prevented, and meanwhile, the safety in the rehabilitation process is improved; the shank bracket fixed on the shank supporting part of the patient can adjust and use the supporting and pulling position of the patient's shank, thereby improving the comfort of the patient.

Drawings

Fig. 1 is a schematic view of the overall structure of a lower limb joint training device.

Fig. 2 is a schematic view of a drive assembly of the lower limb joint training device.

Fig. 3 is a schematic view of a suspension frame assembly of the lower limb joint training device.

Fig. 4 is a structural schematic diagram of the suspension bracket assembly supporting sleeve mounting left and right adjusting sleeves.

Fig. 5 is a schematic structural view of the left adjusting sleeve.

Fig. 6 is a schematic structural view of the right pedal assembly.

Description of reference numerals:

1-bracket component, 2-suspension bracket component, 3-right pedal component, 4-left pedal component, 5-motor reducer, 101-support tube, 102-shell, 103-rocker arm, 201-bent arm frame, 202-support sleeve, 203-left quick bolt, 204-left bearing I, 205-left adjusting sleeve, 206-left pulling rope, 207-left hook, 208-right quick bolt, 209-right bearing I, 210-right bearing II, 211-right adjusting sleeve, 212-right pulling rope, 213-right hook, 214-center shaft, 215-left bearing II, 2051-left ratchet gear, 301-right bracket, 302-right pedal, 303-right bracket, 304-right locking jackscrew, 305-right shank bracket, 306-right handle jackscrew, 307-right connecting sleeve, 308-right bracket bearing, 309-right semicircular bracket and 310-right bracket rotating shaft.

Detailed Description

Referring to fig. 1-6, the lower limb joint training device of the present invention comprises a support assembly 1, a suspension assembly 2, a right pedal assembly 3, a left pedal assembly 4, and a motor reducer 5, wherein the upper, lower, left, right, and front-back directions of the present invention are defined by the upper, lower, left, right, and front-back directions of the patient during rehabilitation training so as to describe the present invention, the support assembly 1 comprises a support tube 101, a housing 102, and rocker arms 103, the support tube 101 extends toward the lower end of the rear side, the motor reducer 5 and the housing 102 are fixed at the rear end of the support tube 101, the motor reducer 5 is fixed at the inner side of the rear end of the support tube 101, the output shaft of the motor reducer 5 extends toward the front side and the rear side of the housing 102, one end of one rocker arm 103 is fixed at both the front end and the rear end of the output shaft of the motor reducer 5, and the two rocker arms 103 are arranged 180 degrees along the circumferential direction of the output shaft of the motor reducer, left footboard subassembly 4 is fixed to left rocking arm pole 103 other end, and right footboard subassembly 3 is fixed to rocking arm pole 103 other end on right side, bracket component 1 be bilateral symmetry's structure, suspension frame subassembly 2 is about bracket component 1's bilateral symmetry plane bilateral symmetry, right footboard subassembly 3 sets up with left footboard subassembly 4 about bracket component 1's bilateral symmetry plane bilateral symmetry.

The suspension bracket component 2 comprises a bent arm frame 201, a support sleeve 202, a central shaft 214, a left side adjusting mechanism and a right side adjusting mechanism, wherein the left side adjusting mechanism and the right side adjusting mechanism are arranged in bilateral symmetry about a bilateral symmetry plane of the bracket component 1, the left side adjusting mechanism comprises a left quick bolt 203, a left bearing I204, a left adjusting sleeve 205, a left pulling rope 206, a left hook 207 and a left bearing II 215, the right side adjusting mechanism comprises a right quick bolt 208, a right bearing I209, a right bearing II 210, a right adjusting sleeve 211, a right pulling rope 212 and a right hook 213, the front end of the bent arm frame 201 is fixed on the support tube 101, the rear end extends upwards and rearwards, the support sleeve 202 is fixed at the rear end of the support tube 101, the left end and the right end of the right adjusting sleeve 211 are respectively rotatably arranged at the right side of the central shaft 214 through the right bearing I209 and the right bearing II 210, the middle part of the right adjusting sleeve 211 is fixed and wound at one end of the right pulling rope 212, the other end of right pulling rope 212 fixes right couple 213, the right ratchet gear is arranged on the outer side of the left end of right adjusting sleeve 211, right quick bolt 208 is inserted into the round hole arranged on the right side of support sleeve 202, the lower end of right quick bolt 208 is inserted into the ratchet of right ratchet gear to prevent right adjusting sleeve 211 from rotating when right pulling rope 212 receives pulling force, right quick bolt 208 can be directly inserted into the round hole arranged on the right side of support sleeve 202, or can be screwed into the round hole arranged on the right side of support sleeve 202 by adopting a screw pair.

The right pedal component 3 comprises a right bracket 301, a right pedal 302, a right bracket 303, a right locking jackscrew 304, a right shank bracket 305, a right handle jackscrew 306, a right connecting sleeve 307, a right bracket bearing 308, a right semicircular bracket 309 and a right bracket rotating shaft 310, the left end of the right bracket rotating shaft 310 is fixed at the other end of the rocker arm rod 103 on the left side, the right bracket bearing 308 at the right end of the right bracket rotating shaft 310 is rotatably provided with the right connecting sleeve 307, the right connecting sleeve 307 is fixed at the lower end of the L-shaped vertical edge of the right bracket 301, the right bracket 301 is L-shaped, the right pedal 302 is fixed at the L-shaped horizontal edge of the right bracket 301, the lower end of the right bracket 303 is fixed at the L-shaped vertical edge of the right bracket 301, the right bracket 303 is positioned at the rear side of the right bracket rotating shaft 310, the right bracket 303 is vertically arranged with the upper surface of the right pedal 302, the right locking jackscrew thread part of the right locking jackscrew 304 is screwed with the left end of the right semicircular bracket 309 after passing through a light hole arranged at the upper end of the right bracket 303, the left end of a right semicircular bracket 309 is fixed at the upper end of the right bracket 303, the right hook 213 is hung at the left side of the right locking jackscrew 304, the right semicircular bracket 309 is arc-shaped, the central axis of the right semicircular bracket 309 is vertical to the upper surface of the right pedal 302, the right shank bracket 305 is arc-shaped, the left side and the right side in the middle of the right shank bracket 305 are respectively provided with a connecting bulge, the right semicircular bracket 309 is provided with a long groove along the circumferential direction, the two right handle jackscrews 306 penetrate through the long grooves and are respectively screwed in a threaded hole of the connecting bulge, the right shank bracket 305 is fixed on the right semicircular bracket 309, the fixed position of the right shank bracket 305 is adjusted by adjusting the positions of the two right handle jackscrews 306 on the long grooves, and the comfort level of shank support of a patient is improved.

The rear end of the support tube 101 is fixed to the patient's bedside or to a movable lifting frame.

When a patient needs to carry out lower limb rehabilitation training, the supporting tube 101 is fixed at the bedside of the patient and the fixed height is adjusted, or fixed on a lifting bracket, the patient can not sit upright or sit for a long time due to diseases, the patient adopts lying position rehabilitation training, the right palm of the patient steps on the right pedal 302, the left palm of the patient steps on the left pedal of the left pedal component 4, the right quick bolt 208 is pulled out, the right end of the right adjusting sleeve 211 is rotated, the height of the right locking jackscrew 304 is tensioned by the right pulling rope 212 to adapt to the requirements of the patient rehabilitation training, the right calf of the patient is placed on the inner side of the arc of the right calf bracket 305, the right quick bolt 208 is inserted into a round hole arranged at the right side of the supporting sleeve 202 and is inserted into a ratchet of the right ratchet wheel, the right adjusting sleeve 211 is prevented from rotating under the pulling force, the left quick bolt 203 is pulled out, the left end of the left adjusting sleeve 205 is rotated, the height of the left locking jackscrew tensioned by the left pulling rope 206 is adjusted, the patient rehabilitation training device is suitable for the requirements of patient rehabilitation training, the left quick bolt 203 is inserted into a round hole formed in the left side of the support sleeve 202 and inserted into a ratchet of the left ratchet gear 2051, the left adjusting sleeve 205 is prevented from rotating when being pulled, the left shank of a patient is placed on the inner side of the arc shape of the left shank bracket, the two right handle jackscrews 306 are unscrewed, the two right handle jackscrews 306 slide along the long grooves of the right semicircular bracket 309, the fixing position of the right shank bracket 305 on the right semicircular bracket 309 is adjusted, the two right handle jackscrews 306 are screwed, the fixing position of the left shank bracket on the left semicircular bracket is adjusted similarly, the comfort level of the patient rehabilitation training is improved, the motor speed reducer 5 is controlled to rotate, the two rocker arms 103 are driven to rotate, and the lower limb rehabilitation training movement of the patient is driven.

Claims (7)

1. A lower limb joint training device is characterized in that: the suspension type pedal mechanism comprises a bracket component (1), a suspension bracket component (2), a right pedal component (3) and a left pedal component (4), wherein the bracket component (1) comprises a supporting pipe (101) and a rocker arm rod (103), the supporting pipe (101) is used for fixing a motor speed reducer (5), one end of the rocker arm rod (103) is fixed at the front end and the rear end of an output shaft of the motor speed reducer (5), the two rocker arm rods (103) are arranged at 180 degrees along the circumferential direction of the output shaft of the motor speed reducer, the bracket component (1) is in a bilaterally symmetrical structure, and the right pedal component (3) and the left pedal component (4) are arranged bilaterally symmetrically about a bilaterally symmetrical plane of the bracket component (1);

the right pedal assembly (3) comprises a bracket (301), the other end of the rocker arm rod (103) on the right side is rotatably connected with the right bracket (301), the right bracket (301) is used for fixing the lower ends of a right pedal (302) and a right bracket (303), and the upper end of the right bracket (303) is used for fixing a right shank bracket (305);

the supporting tube (101) is fixedly provided with a suspension bracket assembly (2), a right traction rope (212) and a left traction rope (206) which are arranged on the suspension bracket assembly (2) are hung on the upper end of a right bracket (303) and the upper end of a left bracket of a left pedal assembly (4) through hooks respectively, and the lengths of the right traction rope (212) and the left traction rope (206) are adjustable.

2. The lower extremity joint training apparatus of claim 1, wherein: the structure that right tractive rope length adjustable be: the suspension bracket assembly (2) comprises a bent arm support (201), a support sleeve (202), a central shaft (214), a left side adjusting mechanism and a right side adjusting mechanism, wherein the left side adjusting mechanism and the right side adjusting mechanism are arranged in bilateral symmetry about a bilateral symmetry plane of the bracket assembly (1), the right side adjusting mechanism comprises a right quick bolt (208), a right adjusting sleeve (211) and a right traction rope (212), the front end of the bent arm support (201) is fixed on the support tube (101), the rear side extends upwards and backwards, the rear end of the support tube (101) is fixed with the support sleeve (202), the support sleeve (202) is fixed in the middle of the central shaft (214), the right adjusting sleeve (211) is rotatably arranged on the right side of the central shaft (214), the middle of the right adjusting sleeve (211) is fixed and wound around one end of the right traction rope (212), the other end of the right traction rope (212) is fixed with the right hook (213), the supporting sleeve (202) is provided with a rotating and stopping device of a right adjusting sleeve (211).

3. The lower extremity joint training apparatus of claim 2, wherein: the structure of the rotating and stopping device provided with the right adjusting sleeve (211) on the supporting sleeve (202) is as follows: the right ratchet gear is arranged on the outer side of the left end of the right adjusting sleeve (211), the right quick bolt (208) is inserted into the round hole formed in the right side of the supporting sleeve (202), and the lower end of the right quick bolt (208) is inserted into a ratchet of the right ratchet gear to prevent the right adjusting sleeve (211) from rotating when the right pulling rope (212) is pulled.

4. The lower extremity joint training apparatus of claim 3, wherein: the right pedal assembly (3) further comprises a right bracket (301), a right pedal (302), a right support (303), a right locking jackscrew (304), a right shank bracket (305), a right handle jackscrew (306), a right semicircular support (309) and a right bracket rotating shaft (310), the other end of the rocker arm rod (103) on the right side is fixedly connected with the left end of the right bracket rotating shaft (310), the right end of the right bracket rotating shaft (310) is rotatably installed at the lower end of the L-shaped vertical edge of the right bracket (301), the right bracket (301) is L-shaped, the L-shaped horizontal edge of the right bracket (301) is fixedly provided with the right pedal (302), the lower end of the right support (303) is fixedly arranged at the L-shaped vertical edge of the right bracket (301), the right support (303) is positioned at the rear side of the right bracket rotating shaft (310), the right support (303) is vertically arranged with the upper surface of the right pedal (302), the right locking jackscrew (304) fixes the left end of the right semicircular support (309) at the upper end of the right support (303), the left end of a right shank bracket (305) is fixed by a right semicircular bracket (309), and a right hook (213) is hung on the left side of a right locking jackscrew (304).

5. The lower extremity joint training apparatus of claim 4, wherein: the right semicircular bracket (309) is arc-shaped, the central axis of the right semicircular bracket (309) is vertical to the upper surface of the right pedal (302), the right shank bracket (305) is arc-shaped, the left side and the right side in the middle of the right shank bracket (305) are respectively provided with a connecting bulge, the right semicircular bracket (309) is provided with a long groove along the circumferential direction, two right handle jackscrews (306) penetrate through the long grooves and then are respectively screwed in the threaded holes of the connecting bulges, and the fixing position of the right shank bracket (305) fixed on the right semicircular bracket (309) can be adjusted.

6. The lower extremity joint training apparatus of any one of claims 3 to 5, wherein: the right quick bolt (208) is directly inserted into a round hole arranged on the right side of the support sleeve (202), or screwed into the round hole arranged on the right side of the support sleeve (202) by adopting a screw pair.

7. The lower extremity joint training apparatus of any one of claims 1 to 5, wherein: the rear end of the supporting tube (101) is fixed at the bedside of the patient or on a movable lifting bracket.

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