CN109248043B - An upper limb rehabilitation training device - Google Patents

Abstract

The invention discloses an upper limb rehabilitation training device, comprising a support leg, a seat cushion and a backrest. The seat cushion is mounted on the upper end of the support leg, and the rear side of the seat cushion is provided with a non-circular cross-section along the vertical direction. The lower end of the backrest is provided with a first rack that is slidably connected in the insertion slot; the lower surface of the seat cushion is installed with a first drive motor through a support plate, and the first drive motor A first gear meshing with the first rack is installed on the output shaft of the device; arm recovery mechanisms are installed on the left and right sides of the upper end of the backrest; the upper limb rehabilitation training device is not only simple in structure, but also can realize the diversification of upper limbs The training allows patients to quickly complete the rehabilitation of the upper limbs.

Description

An upper limb rehabilitation training device

technical field

The invention relates to the technical field of medical appliances, in particular to an upper limb rehabilitation training device used for the recovery of upper limb joints and muscles.

Background technique

Patients with upper limb injuries, frozen shoulder, cervical spondylosis, or patients with upper limb surgery cannot exercise voluntarily. Long-term inactivity will lead to muscle atrophy and inability to move normally. In order to ensure the recovery of the patient, the patient's family needs to massage the patient, but the patient's family cannot Help at the patient’s side at any time. In the past, the method of massaging the patient’s family members was not effective and required a long time and was very tiring. If the patient cannot be massaged frequently, the effect will be reduced, and the patient cannot recover quickly. came the great difficulty of the work.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an upper limb rehabilitation training device that can drive the movement of the upper limbs.

To above purpose, the technical scheme that the present invention adopts is:

An upper limb rehabilitation training device includes a support leg, a seat cushion and a backrest, the seat cushion is installed on the upper end of the support leg, and the rear side of the seat cushion is provided with a non-circular insertion slot along the vertical direction , the lower end of the backrest is provided with a first rack slidably connected in the insertion slot; the lower surface of the seat cushion is mounted with a first drive motor through a support plate, and the output shaft of the first drive motor is mounted on the A first gear meshing with the first rack is installed; arm recovery mechanisms are installed on the left and right sides of the upper end of the backrest;

The arm recovery mechanism includes a connecting plate, a first placing plate, a second placing plate, a third placing plate, a fourth placing plate, a fifth placing plate, a slider, a first electric push rod, and a The slide rail on the back side of the backrest, the slide block is slidably connected to the slide rail, the backrest is provided with a fourth electric push rod for driving the slide block to move along the slide rail, and the upper and lower sides of the slide block are provided with a fourth electric push rod. There is an arc-shaped support plate extending toward the front side of the backrest, and the arc-shaped support plate is provided with an arc-shaped chute extending toward the front side of the backrest; the connecting plate is provided with a middle position on its upper and lower sides. a cylindrical protrusion slidably connected in the arc-shaped chute; one end of the first electric push rod is hinged on the slider, and the other end is hinged with one end of the connecting plate;

The first placing plate is installed on the other end of the connecting plate, and a second driving motor for driving the first placing plate to rotate is installed on the connecting plate; the second placing plate is rotatably connected inside the first placing plate On the circumferential side, the outer circumferential side of the second placing plate is provided with a transmission convex tooth, and the outer side of the first placing plate is provided with a first opening groove at the transmission convex tooth, and the first placing plate is provided with a first opening groove. A third drive motor is installed on the plate at the first opening slot, and a second gear for driving the second placing plate to rotate is installed on the output shaft of the third drive motor and meshed with the transmission protruding teeth;

The second placing plate is provided with a second rack at the end away from the third driving motor along the axis of rotation of the second placing plate, and the third placing plate is provided with a first rack for inserting the second rack. A chute; a second open slot communicated with the first chute is provided on the outer side of the third placement plate, and a fourth drive motor is installed on the second open slot on the third placement plate, so A third gear meshing with the second rack is mounted on the output shaft of the fourth drive motor;

The third placing plate is provided with a first supporting arm at one end away from the second placing plate, and the fourth placing plate is provided with a second supporting arm hinged to the first supporting arm; the third placing plate The plate is provided with a second electric push rod and a third electric push rod that cooperate with each other to drive the fourth placing plate to rotate around the hinge shafts of the first support arm and the second support arm; One end of the three placement plates is provided with a third rack along the length direction of the second rack, the fifth placement plate is provided with a second chute for inserting the third rack, and the side surface of the fifth placement plate There is a third opening slot communicating with the second chute, a fifth drive motor is installed on the third opening slot on the fifth placement plate, and the output shaft of the fifth drive motor is installed There is a fourth gear meshing with the third rack; the fifth placing plate is provided with a third supporting arm at one end away from the fourth placing plate, and a sixth placing plate is installed on the third supporting arm, and a sixth driving motor for driving the sixth placing plate to rotate.

Through the above technical solution, when the upper limb rehabilitation training device works, first the patient needs to sit upright on the upper limb rehabilitation training device, the patient's back rests on the backrest, the first driving motor drives the first gear to rotate, and the first gear drives the first gear Adjust the height of the backrest by adjusting the height of the backrest, so as to make the patient wear the arm recovery mechanism more comfortable; through the expansion and contraction of the fourth electric push rod, the slider is driven to move on the slide rail, so as to adjust the shoulder width according to the patient's own conditions; After adjusting the position of the slider for the shoulder width, the patient puts the arm into the arm recovery mechanism, and adjusts the distance between the second placing plate and the third placing plate by controlling the fourth drive motor according to their own conditions, and through the fifth drive motor. Adjust the distance between the fourth placing plate and the fifth placing plate to make the patient more comfortable when using the upper limb rehabilitation trainer for training; the arm recovery mechanism can realize shoulder joint activity training, elbow joint activity training, wrist joint activity training Activity training; in addition, according to actual needs, the shoulder massage mechanism can be used to relax the patient's shoulder.

In a further technical solution, the inner circumference side of the first placing plate is provided with a rotating chute along the circumferential direction, and the second placing plate is arranged in the rotating chute; the inner circumference of the first placing plate is A limit protrusion is provided on the side at the end away from the second drive motor, and a limit chute matched with the limit protrusion is arranged on the outer side of the second placing plate along the circumferential direction; The inner circumferential side of the plate is provided with an arc-shaped pressing plate for pressing the second placing plate into the rotating chute.

In a further technical solution, a first fixing band is arranged on the third placing plate; a second fixing band is arranged on the fourth placing plate; a third fixing band is arranged on the fifth placing plate; A fourth fixing belt is provided on the sixth placing plate; this setting can firmly fix the entire arm of the patient in the arm recovery mechanism.

In a further technical solution, a neck training mechanism is installed on the upper end of the backrest, and the neck training mechanism includes a mounting block, a seventh drive motor, a first turntable, and a rocker; the mounting block is mounted on the upper end of the backrest. The middle position of the seventh drive motor is installed on the installation block and its output shaft is vertically upward, the first turntable is installed on the output shaft of the seventh drive motor; the upper end of the installation block is provided with a horizontal support block , one end of the rocker is eccentrically installed on the first turntable through the horizontal support block, the other end of the rocker is mounted with a helmet, and the opening of the lower end of the helmet is provided with a head fixing belt; the rocker A hinged ball is arranged at the connection with the horizontal support block, and a hinged ball cap matched with the hinged ball is arranged on the horizontal support block.

Through the above technical solution, when the neck training mechanism works, the patient first needs to put the helmet on the head, and use the head fixing belt to fix the head in the helmet. The seventh drive motor drives the first turntable to rotate, and the The combination of the articulated ball and the articulated ball cap makes the upper end of the rocker drive the patient's head to rotate, so as to achieve the effect of assisting the neck movement, so as to achieve the effect of activating and relaxing the neck muscles, and can exert no force on the entire neck muscles. activity training.

In a further technical scheme, the left and right sides of the back of the backrest are provided with a shoulder massage mechanism, and the shoulder massage mechanism includes an eighth drive motor, a second turntable, a connecting rod, and a beating rod; the eighth drive The motor is installed on the back side of the backrest, the second turntable is installed on the output shaft of the eighth drive motor, the hitting rod is hinged on the upper end of the backrest through a hinge seat, and one end of the connecting rod is connected to the second turntable The other end is eccentrically hinged, and the other end is hinged with one end of the beating rod, and a beating hammer for shoulder massage is installed on the other end of the beating rod.

Through the above technical solution, when the shoulder massage mechanism works, first the patient needs to lean his back on the backrest and sit upright, the eighth drive motor rotates, and the second turntable, the connecting rod and the beating rod make the beating hammer reciprocate. Exercise, so as to achieve the effect of hitting the patient's shoulder, and achieve relaxation and massage of the patient's shoulder.

Beneficial effects:

When the upper limb rehabilitation trainer works, first the patient needs to sit upright on the upper limb rehabilitation trainer, the patient's back rests on the backrest, the first drive motor drives the first gear to rotate, and the first gear drives the first rack to adjust the height of the backrest , so that the patient wearing the arm recovery mechanism is more comfortable; the slider is driven to move on the slide rail by the expansion and contraction of the fourth electric push rod, so as to adjust the shoulder width according to the patient's own conditions; when the upper limb rehabilitation trainer is adjusted according to the patient's shoulder width After the block position, the patient wears the arm into the arm recovery mechanism, and adjusts the distance between the second placement plate and the third placement plate by controlling the fourth drive motor according to their own conditions, and adjusts the fourth placement plate through the fifth drive motor. The distance between it and the fifth placement plate makes the patient more comfortable when using the upper limb rehabilitation training device; the arm recovery mechanism can realize shoulder joint activity training, elbow joint activity training, and wrist joint activity training; The rehabilitation training device not only has a simple structure, but also can realize diversified training of the upper limbs, so that the patients can quickly complete the rehabilitation of the upper limbs.

Description of drawings

Fig. 1 is the first three-dimensional structure diagram of the present invention;

Fig. 2 is the exploded structure schematic diagram of the present invention;

Fig. 3 is the front view of the present invention;

Fig. 4 is the left side view of the present invention;

Fig. 5 is the rear view of the present invention;

6 is a second three-dimensional structural diagram of the present invention;

7 is a first three-dimensional structural view of the arm recovery mechanism of the present invention;

8 is a left side view of the arm recovery mechanism of the present invention;

9 is a top view of the arm recovery mechanism of the present invention;

10 is a second perspective structural view of the arm recovery mechanism of the present invention;

11 is an exploded structural diagram of the arm recovery mechanism of the present invention;

Fig. 12 is the assembly structure diagram of the first placing plate and the second placing plate in the present invention;

Fig. 13 is an exploded structure diagram of the first placing plate and the second placing plate in the present invention.

Detailed ways

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The embodiments described below are by way of example only, and other obvious modifications will occur to those skilled in the art.

As shown in Figures 1-13, an upper limb rehabilitation training device includes a support leg 001, a seat cushion 1, and a backrest 2. The seat cushion 1 is installed on the upper end of the support leg 001, and the rear side of the seat cushion 1 is vertically A plug slot 101 with a non-circular cross section is provided in the straight direction, and the lower end of the backrest 2 is provided with a first rack 701 slidably connected in the plug slot 101; the lower surface of the seat cushion 1 passes through A first drive motor 8a is installed on the support plate 102, and a first gear 7a that meshes with the first rack 701 is installed on the output shaft of the first drive motor 8a; the left and right sides of the upper end of the backrest 2 are installed There are arm recovery mechanisms 3.

The arm recovery mechanism 3 includes a connecting plate 15, a first placing plate 14, a second placing plate 13, a third placing plate 13a, a fourth placing plate 12, a fifth placing plate 11, a slider 17, and a first electric pusher. The rod 9d and the sliding rail 16 installed on the rear side of the backrest 2 in the horizontal direction, the sliding block 17 is slidably connected to the sliding rail 16, and the backrest 2 is provided with a mechanism for driving the sliding block 17 to move along the sliding rail 16 The fourth electric push rod 9a, the upper and lower sides of the slider 17 are provided with an arc-shaped support plate 1701 extending toward the front side of the backrest, and the arc-shaped support plate 1701 is provided with a support plate 1701 extending toward the front side of the backrest. The arc-shaped chute 1702; the connecting plate 15 is provided with a cylindrical protrusion 1501 slidably connected in the arc-shaped chute 1702 at the middle position of the upper and lower sides of the connecting plate 15; one end of the first electric push rod 9d is hinged On the sliding block 17 , the other end is hinged with one end of the connecting plate 15 . The first placing plate 14 is installed on the other end of the connecting plate 15, and a second driving motor 8f for driving the first placing plate 14 to rotate is installed on the connecting plate 15; the second placing plate 13 is rotatably connected to the On the inner circumferential side of the first placing plate 14, the outer circumferential side of the second placing plate 13 is provided with a transmission convex tooth 1301, and the outer surface of the first placing plate 14 is provided with the transmission convex tooth 1301. There is a first opening slot 1401, a third driving motor 8e is installed on the first placing plate 14 at the first opening slot 1401, and the output shaft of the third driving motor 8e is installed with the transmission protruding teeth. 1301 meshes with the second gear 7d for driving the second placing plate 13 to rotate. A second rack 1302 is provided on the second placing plate 13 at the end away from the third driving motor 8e along the axis of rotation of the second placing plate 13, and the third placing plate 13a is provided with a second rack for 1302 is inserted into the first chute; the outer side of the third placing plate 13a is provided with a second opening slot 13a1 communicating with the first chute, and the third placing plate 13a is on the second opening slot A fourth drive motor 8d is installed at 13a1, and a third gear 7c that meshes with the second rack 1302 is installed on the output shaft of the fourth drive motor 8d. The third placing plate 13a is provided with a first supporting arm 13a2 at one end away from the second placing plate 13, and the fourth placing plate 12 is provided with a second supporting arm 1201 hinged to the first supporting arm 13a2 ; The third placing plate 13a is provided with a second electric push rod 9b and a third electric push rod that cooperate with each other to drive the fourth placing plate 12 to rotate around the hinge shaft of the first support arm 13a2 and the second support arm 1201 9c; the fourth placing plate 12 is provided with a third rack 1201 along the length direction of the second rack 1302 at one end away from the third placing plate 13a, and the fifth placing plate 11 is provided with a third tooth The second chute to which the bar 1201 is inserted, the side of the fifth placing plate 11 is provided with a third opening slot 1101 communicating with the second chute, the fifth placing plate 11 is on the third opening slot 1101 A fifth drive motor 8c is installed at the opening slot 1101, and a fourth gear 7b meshed with the third rack 1201 is installed on the output shaft of the fifth drive motor 8c; One end of the fourth placing plate 12 is provided with a third supporting arm 1102 on which the sixth placing plate 10 is mounted and a sixth driving motor 8b for driving the sixth placing plate 10 to rotate.

The inner circumferential side of the first placing plate 14 is provided with a rotating chute 14a along the circumferential direction, and the second placing plate 13 is arranged in the rotating chute 14a; the inner circumference of the first placing plate 14 A limit protrusion 14b is provided on the side at the end away from the second drive motor 8f, and a limit chute 1305 is provided along the circumferential direction on the outer side of the second placing plate 13 to cooperate with the limit protrusion 14b; An arc-shaped pressing plate 30 is provided on the inner circumferential side of the first placing plate 14 for pressing the second placing plate 13 into the rotating chute 14a.

The third placing plate 13a is provided with a first fixing belt 26d; the fourth placing plate 12 is provided with a second fixing belt 26c; the fifth placing plate 11 is provided with a third fixing belt 26b; The sixth placing plate 10 is provided with a fourth fixing band 26a.

When the upper limb rehabilitation training device works, first the patient needs to sit upright on the upper limb rehabilitation training device, with his back resting on the backrest 2, the first drive motor 8a drives the first gear 7a to rotate, and the first gear 7a drives the first rack 701 to adjust the height of the backrest 2, so that the patient wears the arm recovery mechanism 3 more comfortably; through the expansion and contraction of the fourth electric push rod 9a, the slider 17 is driven to move on the slide rail 16, thereby adjusting the shoulder width according to the patient's own conditions; After the trainer adjusts the position of the slider 16 according to the shoulder width of the patient, the patient puts the arm into the arm recovery mechanism 3, and uses the first fixing belt 26d to fix the upper arm in the third placing plate 13a, and uses the second fixing belt 26c and The third fixing belt 26b fixes the forearm in the fourth placing plate 12 and the fifth placing plate 11, and the fourth fixing belt 26a fixes the hand in the sixth placing plate 10, and then controls the fourth drive according to its own conditions The motor 8d adjusts the distance between the second placing plate 13 and the third placing plate 13a, and adjusts the distance between the fourth placing plate 12 and the fifth placing plate 11 through the fifth drive motor 8c, so that the patient is using the upper limb rehabilitation training device. More comfortable during training; the arm recovery mechanism 3 can realize shoulder joint activity training, elbow joint activity training, and wrist joint activity training.

During shoulder joint activity training, the second drive motor 8f drives the first placing plate 14 to maintain a horizontal state, and the second electric push rod 9b and the third electric push rod 9c control the third placing plate 13a and the fourth placing plate 12 to keep extending. Straight so that the patient's forearm is also in a straight state, the sixth drive motor 8b controls the patient's hand to keep straight, and the first electric push rod 9d shrinks to drive the connecting plate 15 to slide along the arc-shaped chute 1702, thereby passing the entire The arm recovery mechanism 3 drives the patient's arm to unfold, and the patient performs a chest-opening exercise to activate the patient's shoulder muscle group. After the chest opening exercise training, the first electric push rod 9d extends to drive the connecting plate 15 to slide along the arc-shaped chute 1702, and controls the arm recovery mechanism 3 to straighten forward. The push rod 9c controls the third placing plate 13a and the fourth placing plate 12 to drive the patient's forearm and forearm to keep straight, the sixth drive motor 8b controls the patient's hand to keep straight, and the second drive motor 8f drives the first The placing plate 14 rotates forwards and backwards, so as to drive the patient's arm to lift up and swing down, so that the patient's forearm swings around the shoulder. After the arm swinging activity training is over, the first electric push rod 9d is stretched out to control the arm recovery mechanism 3 to straighten forward, and the third drive motor 8e drives the second gear 7d to rotate. The cooperation of the upper transmission protruding teeth 1301 drives the entire arm of the patient to rotate around the forearm, so as to achieve the effect of activating the muscles at the root of the forearm. During shoulder joint activity training, the patient will be driven to train, without the need to exert their own strength to complete the training. By training some muscle groups of the patient's shoulder and upper arm, it can relax the tendons and activate blood.

During the exercise of the elbow joint, the second electric push rod 9b extends while the third electric push rod 9c contracts, thereby pushing the fourth placing plate 12 to rotate around the hinge axis of the first support arm 13a2 and the second support arm 1201 , so that the patient's forearm will be driven to bend around the elbow joint. When the second electric push rod 9b is fully extended, the third electric push rod 9c will continue to shrink, which will drive the fourth placing plate 12 to a larger angle. Rotate, thereby driving the patient's elbow to bend to a larger angle. When the patient's arm is bent to a certain degree, the third electric push rod 9c will extend, and the second electric push rod 9b will shrink to push the patient's arm to straighten. After the dead point of the second electric push rod 9b, the second electric push rod 9b continues to contract, thereby driving the patient's forearm to straighten, completing the bending and straightening of the elbow joint, so the patient will be driven to perform elbow joint activity training, without the need for After the training is completed, the muscles of the patient's upper arm and forearm can be moved to achieve the effect of relaxing tendons and activating blood circulation.

During the wrist joint activity training, the sixth driving motor 8b rotates, so that the sixth placing plate 10 rotates around the hinge axis, and drives the patient's hand to rotate around the wrist joint. Due to the forward and reverse rotation of the sixth driving motor 8b, the Turn the hand inward and outward, so as to achieve the effect of exercising the muscles of the forearm and wrist joint. Through the above training, the whole wrist muscle can be trained without exertion.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, there are various Variations and improvements are intended to fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. An upper limb rehabilitation trainer comprises supporting legs, a seat cushion and a backrest, wherein the seat cushion is arranged at the upper ends of the supporting legs, and arm recovery mechanisms are arranged on the left side and the right side of the upper end of the backrest; a first driving motor is mounted on the lower surface of the seat cushion through a supporting plate, and a first gear meshed with the first rack is mounted on an output shaft of the first driving motor;

the arm recovery mechanisms comprise connecting plates, first placing plates, second placing plates, third placing plates, fourth placing plates, fifth placing plates, sliders, first electric push rods and slide rails which are installed on the back side of the backrest along the horizontal direction, the sliders are connected to the slide rails in a sliding mode, and the backrest is provided with fourth electric push rods for driving the sliders to move along the slide rails; arc-shaped supporting plates extending towards the front side direction of the backrest are arranged on the upper side surface and the lower side surface of the sliding block, and arc-shaped sliding grooves extending towards the front side direction of the backrest are arranged on the arc-shaped supporting plates; a cylindrical bulge which is connected in the arc-shaped sliding groove in a sliding manner is arranged in the middle of the upper side and the lower side of the connecting plate; one end of the first electric push rod is hinged to the sliding block, and the other end of the first electric push rod is hinged to one end of the connecting plate;

the first placing plate is arranged at the other end of the connecting plate, and a second driving motor for driving the first placing plate to rotate is arranged on the connecting plate; the second placing plate is rotatably connected to the inner circumferential side face of the first placing plate, the outer circumferential side face of the second placing plate is provided with a transmission convex tooth, the outer side face of the first placing plate is provided with a first open slot at the transmission convex tooth, the first placing plate is provided with a third driving motor at the first open slot, and an output shaft of the third driving motor is provided with a second gear which is meshed with the transmission convex tooth and is used for driving the second placing plate to rotate;

a second rack is arranged on one end, far away from the third driving motor, of the second placing plate along the axis direction of the rotation of the second placing plate, and a first sliding groove for the insertion of the second rack is formed in the third placing plate; a second open slot communicated with the first chute is formed in the outer side surface of the third placing plate, a fourth driving motor is installed at the second open slot on the third placing plate, and a third gear meshed with the second rack is installed on an output shaft of the fourth driving motor;

a first supporting arm is arranged at one end, far away from the second placing plate, of the third placing plate, and a second supporting arm hinged with the first supporting arm is arranged on the fourth placing plate; the third placing plate is provided with a second electric push rod and a third electric push rod which are mutually matched and used for driving the fourth placing plate to rotate around the hinge shaft of the first supporting arm and the hinge shaft of the second supporting arm; a third rack is arranged on one end, far away from the third placing plate, of the fourth placing plate along the length direction of the second rack, a second sliding groove for inserting the third rack is formed in the fifth placing plate, a third opening groove communicated with the second sliding groove is formed in the side face of the fifth placing plate, a fifth driving motor is installed at the third opening groove on the fifth placing plate, and a fourth gear meshed with the third rack is installed on an output shaft of the fifth driving motor; and a third supporting arm is arranged at one end, far away from the fourth placing plate, of the fifth placing plate, and a sixth placing plate and a sixth driving motor for driving the sixth placing plate to rotate are mounted on the third supporting arm.

2. The upper limb rehabilitation training device according to claim 1, wherein the first placement plate is provided with a rotation sliding groove on an inner circumferential side surface thereof in a circumferential direction, and the second placement plate is disposed in the rotation sliding groove; a limiting bulge is arranged at one end, far away from the second driving motor, of the inner circumferential side surface of the first placing plate, and a limiting sliding groove matched with the limiting bulge is arranged on the outer side surface of the second placing plate along the circumferential direction; and an arc-shaped pressing plate used for pressing the second placing plate in the rotating sliding groove is arranged on the inner circumferential side surface of the first placing plate.

3. The upper limb rehabilitation trainer as claimed in claim 1, wherein the third placing plate is provided with a first fixing strap; the fourth placing plate is provided with a second fixing belt; a third fixing belt is arranged on the fifth placing plate; and a fourth fixing belt is arranged on the sixth placing plate.

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