CN211986195U

CN211986195U - Knee joint rehabilitation training device

Info

Publication number: CN211986195U
Application number: CN201922062698.0U
Authority: CN
Inventors: 陈旭敏; 胡懿; 刘玥; 王嘉仪; 应永倩; 龚晓雯; 杨若愚
Original assignee: Shanghai University of Medicine and Health Sciences
Current assignee: Shanghai University of Medicine and Health Sciences
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-11-24
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a knee joint rehabilitation training device, the on-line screen storage device comprises a base, the sleeve has been cup jointed to the inside of base, and the laminating of telescopic top has the seat, swing mechanism is installed at the back of seat, and swing mechanism's bottom installs massage mechanism, swing mechanism's inside is including the backup pad, and is fixed connection between backup pad and the seat. The utility model discloses in, through switch-on servo motor's external power supply, it rotates to drive the pivot, rotate through the pivot, can drive the head rod and rotate, thereby do crank motion through first activity hinge transmission second connecting rod, finally, promote the third connecting rod and use third activity hinge to do the horizontal hunting motion as the fulcrum, the motion of stretching of anthropomorphic dummy's knee, the popliteal nest at knee joint position can be hung to the first cylinder, hold the thigh, through this a series of component, the fatigue of the long-time massage of artifical masseur has been avoided, and the speed of stretching can be adjusted, thereby reach and adjust intensity.

Description

Knee joint rehabilitation training device

Technical Field

The utility model relates to a recovered medical equipment technical field especially relates to a knee joint rehabilitation training equipment.

Background

The knee joint rehabilitation training is to realize the physical function recovery through physical therapy for most patients with impaired neurological function, wherein the dyskinesia is usually related to the increase of limb spasm after people suffer from accident stress injury, cerebral apoplexy, multiple sclerosis, spinal cord injury, cerebral palsy shadow and the like.

When the existing knee joint rehabilitation training equipment is used, a physical therapist can usually adopt stretching, assistance and other physical intervention methods to relieve spasm and contracture of limbs of a patient and recover balance and coordination of the patient and motion functions of joints and limbs, but the traditional stretching by the physical method is very labor-consuming, and the strength of manual stretching depends on experience and subjective feeling of the therapist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the existing knee joint rehabilitation training equipment, which is usually the defect that the physical therapist is very strenuous by means of the stretching of a physical manipulation, and the strength of manual stretching depends on the experience of the therapist and the subjective feeling, and provides the knee joint rehabilitation training equipment.

In order to achieve the above purpose, the utility model provides a knee joint rehabilitation training device, which comprises a base, wherein a sleeve is sleeved inside the base, a seat is attached to the top end of the sleeve, a swing mechanism is installed behind the seat, a massage mechanism is installed at the bottom end of the swing mechanism, a support plate is included inside the swing mechanism, the support plate and the seat are fixedly connected, a servo motor is fixed behind the support plate, a rotating shaft is fixed on the front surface of the support plate, a first connecting rod is fixed on the front surface of the rotating shaft, a first movable hinge is fixed at the bottom end of the first connecting rod, a second connecting rod is sleeved on the surface of the first movable hinge, a second movable hinge is fixed at the bottom end of the second connecting rod, a third connecting rod is fixed at the bottom end of the second movable hinge, and a third movable hinge is fixed at the back end of the third connecting rod, one side of backup pad is fixed with the support diaphragm, and supports for fixed connection between diaphragm and the third activity hinge, the front laminating of third connecting rod has first rotary drum, and first rotary drum has been cup jointed to its inside, and is fixed connection between first rotary drum and the third connecting rod, the top of base is fixed with elevating system.

Furthermore, the first connecting rod forms a rotating structure with the supporting plate through the rotating shaft, the second connecting rod forms a rotating structure with the first connecting rod through the first movable hinge, the third connecting rod forms a rotating structure with the second connecting rod through the second movable hinge, and the first rotating cylinder forms a rolling structure with the third connecting rod through the first rotating rod.

Furthermore, the massage mechanism is internally provided with a second rotating rod, the second rotating rod is fixedly connected with a third connecting rod, a first moving part is sleeved on the surface of the second rotating rod, a first spring is fixedly connected to the bottom end of the first moving part, a second moving part is fixed to the bottom end of the first spring, a third rotating rod is sleeved inside the second moving part, a guide groove is formed in the bottom end of the third connecting rod, the guide groove and the third rotating rod are connected in a sleeved mode, a second roller is attached to the back of the guide groove, and the second roller is fixedly connected with the third rotating rod.

Furthermore, the second roller forms a rolling structure through the third rotating rod and the guide groove, and the third rotating rod forms a sliding structure through the guide groove and the second movable piece.

Further, elevating system's inside is including the support, and the top of support is fixed with fourth activity hinge, the inside seesaw that is fixed with of fourth activity hinge, and the bottom mounting of seesaw has the third moving part, the bottom mounting of third moving part has the second spring, and the bottom mounting of its second spring has the cushion, and the cushion and the base between be fixed connection, the opening is seted up to telescopic one side, and for cup jointing between opening and the seesaw to be connected, one side of seesaw is fixed with the front of peg and is fixed with the telescopic link, the opposite side of telescopic link is fixed with the third spring, and the fixed cylinder has been cup jointed on the surface of its third spring, and is fixed connection between fixed cylinder and the seesaw, telescopic inside has cup jointed the ejector pin, and the couple has been seted up to the both sides of ejector pin, cup joint between couple and the peg.

Furthermore, the seesaw rod and the support form a rotating structure through a fourth movable hinge, the hanging rod and the third spring form a telescopic structure through a telescopic rod, and the ejector rod and the hanging rod form a lifting structure through a hook.

The utility model has the advantages that:

1. the utility model discloses in, through switch-on servo motor's external power supply, it rotates to drive the pivot, rotate through the pivot, can drive the head rod and rotate, thereby rotate the first activity hinge of transmission by the head rod and drive the second connecting rod and do crank motion, finally, promote the third connecting rod and use third activity hinge to do the horizontal hunting motion as the fulcrum, the motion of stretching of anthropomorphic dummy's knee, the popliteal nest at knee joint position can be hung to the first cylinder, hold the thigh, through this a series of component, the fatigue of the long-time massage of artifical masseur has been avoided, and the speed of stretching can be adjusted, thereby reach adjust intensity.

2. The utility model discloses in, through the second rotary drum, can push down the front of shank, the second cylinder can be so that the third connecting rod does the massage for the shank at the horizontal hunting in-process of doing through the third bull stick, can avoid dying the shank in the motion of bending and stretching through guide slot and first spring, along with the change of shank angle of bending and stretching, the shank surface is hugged closely to the second cylinder, realizes the enhancement to shank massage intensity.

3. The utility model discloses in, make the seesaw use fourth activity hinge to rotate as the fulcrum through stepping on the seesaw, take the ejector pin through peg and couple, realize adjusting the seat height, can make seesaw automatic re-setting at the in-process of stepping on the seesaw through the second spring, can make flexible contact between peg and the couple through telescopic link and third spring, conveniently hang and guarantee that the ejector pin can put down, make things convenient for patient upper and lower seat, and can adapt to the patient's of different heights demand.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the swing mechanism of the present invention;

fig. 3 is a schematic structural view of the massage mechanism of the present invention;

fig. 4 is a schematic structural view of the lifting mechanism of the present invention;

fig. 5 is a schematic structural diagram of an enlarged view of the position a of the middle lifting mechanism of the present invention.

Illustration of the drawings:

a base; 2. a sleeve; 3. a seat; 4. a swing mechanism; 5. a massage mechanism; 6. a lifting mechanism; 401. a support plate; 402. a servo motor; 403. a rotating shaft; 404. a first connecting rod; 405. a first living hinge; 406. a second connecting rod; 407. a second living hinge; 408. a third connecting rod; 409. a third living hinge; 4010. supporting the transverse plate; 4011. a first rotating drum; 4012. a first rotating lever; 501. a second rotating rod; 502. a first movable member; 503. a first spring; 504. a second movable member; 505. a third rotating rod; 506. a guide groove; 507. a second drum; 601. a support; 602. a fourth living hinge; 603. a seesaw rod; 604. a third movable member; 605. a second spring; 606. cushion blocks; 607. a port; 608. a hanging rod; 609. a telescopic rod; 6010. a third spring; 6011. a fixed cylinder; 6012. a top rod; 6013. and (4) hanging hooks.

Detailed Description

Referring to fig. 1-5, a knee joint rehabilitation training device comprises a base 1, a sleeve 2 is sleeved inside the base 1, a seat 3 is attached to the top end of the sleeve 2, a swinging mechanism 4 is installed behind the seat 3, a massaging mechanism 5 is installed at the bottom end of the swinging mechanism 4, a supporting plate 401 is included inside the swinging mechanism 4, the supporting plate 401 is fixedly connected with the seat 3, a servo motor 402 is fixed behind the supporting plate 401, a rotating shaft 403 is fixed on the front surface of the supporting plate 401, a first connecting rod 404 is fixed on the front surface of the rotating shaft 403, a first movable hinge 405 is fixed at the bottom end of the first connecting rod 404, a second connecting rod 406 is sleeved on the surface of the first movable hinge 405, a second movable hinge 407 is fixed at the bottom end of the second connecting rod 406, a third connecting rod 408 is fixed at the bottom end of the second movable hinge 407, and a third movable hinge 409 is fixed at the back end of the third connecting rod 408, one side of backup pad 401 is fixed with support diaphragm 4010, and be fixed connection between support diaphragm 4010 and the third activity hinge 409, the front laminating of third connecting rod 408 has first pivot 4011, first pivot 4012 has been cup jointed to its first pivot 4011's inside, first pivot 4011 can hang the popliteal fossa at knee joint position, hold the thigh, and be fixed connection between first pivot 4012 and the third connecting rod 408, base 1's top is fixed with elevating system 6, servo motor 402 can drive first connecting rod 404 through pivot 403 and be crank motion.

In this embodiment, the first connecting rod 404 and the supporting plate 401 form a rotating structure through the rotating shaft 403, the second connecting rod 406 and the first connecting rod 404 form a rotating structure through the first movable hinge 405, the third connecting rod 408 and the second connecting rod 406 form a rotating structure through the second movable hinge 407, the first rotating cylinder 4011 and the third connecting rod 408 form a rolling structure through the first rotating rod 4012, the first movable hinge 405 drives the second connecting rod 406 to perform a crank motion, the third connecting rod 408 is pushed to perform a left-right swinging motion with the third movable hinge 409 as a pivot, the bending and stretching motion of the knees of the human is simulated, and the massage intensity of the masseur is reduced.

In this embodiment, the massage mechanism 5 includes a second rotating rod 501 inside, the second rotating rod 501 is fixedly connected to the third connecting rod 408, the first moving member 502 is sleeved on the surface of the second rotating rod 501, the first spring 503 is fixedly connected to the bottom end of the first moving member 502, the second moving member 504 is fixed to the bottom end of the first spring 503, the third rotating rod 505 is sleeved inside the second moving member 504, the guide groove 506 is formed in the bottom end of the third connecting rod 408, the guide groove 506 is connected to the third rotating rod 505 in a sleeved manner, the second roller 507 is attached to the rear surface of the guide groove 506, the second roller 507 is fixedly connected to the third rotating rod 505, and the second roller 507 can massage the legs of the third connecting rod 408 in the left-right swinging process through the third rotating rod 505.

In this embodiment, the second roller 507 forms a rolling structure through the third rotating rod 505 and the guide slot 506, and the third rotating rod 505 forms a sliding structure through the guide slot 506 and the second movable member 504, so that the leg can be prevented from being pressed during flexion and extension movements through the guide slot 506 and the first spring 503.

In this embodiment, the lifting mechanism 6 includes a support 601 inside, a fourth movable hinge 602 is fixed at the top end of the support 601, a seesaw 603 is fixed inside the fourth movable hinge 602, a third movable member 604 is fixed at the bottom end of the seesaw 603, a second spring 605 is fixed at the bottom end of the third movable member 604, a cushion block 606 is fixed at the bottom end of the second spring 605, the cushion block 606 is fixedly connected with the base 1, a through hole 607 is formed at one side of the sleeve 2, the through hole 607 is in sleeved connection with the seesaw 603, a hanging rod 608 is fixed at one side of the seesaw 603, a telescopic rod 609 is fixed at the front of the hanging rod 608, a third spring 6010 is fixed at the other side of the telescopic rod 609, a fixed cylinder 1 is sleeved on the surface of the third spring 6010, a seesaw is fixedly connected between the fixed cylinder 6011 and the seesaw 603, a top rod 6012 is sleeved inside the sleeve 2, hooks 6013 are arranged at two sides of the top rod 6012, the hanging hook 6013 is connected with the hanging rod 608 in a sleeved mode, the seesaw rod 603 is made to rotate by taking the fourth movable hinge 602 as a fulcrum through stepping on the seesaw rod 603, and the lifting rod 6012 is arranged through the hanging rod 608 and the hanging hook 6013, so that the height of the seat 3 is adjusted.

In this embodiment, the seesaw 603 forms a rotating structure with the support 601 through the fourth movable hinge 602, the hanging rod 608 forms a telescopic structure with the third spring 6010 through the telescopic rod 609, the top rod 6012 forms a lifting structure with the hanging rod 608 through the hook 6013, the telescopic rod 609 and the third spring 6010 enable the hanging rod 608 and the hook 6013 to be in flexible contact with each other, and therefore hanging is facilitated and the top rod 6012 can be placed down.

The working principle is as follows: when in use, the external power supply of the servo motor 402 is connected to drive the rotating shaft 403 to rotate, the rotating shaft 403 rotates to drive the first connecting rod 404 to rotate, thereby, the first connecting rod 404 rotates to drive the first movable hinge 405 to drive the second connecting rod 406 to do crank motion, the third connecting rod 408 is pushed to do left-right swing motion by taking the third movable hinge 409 as a fulcrum, the bending and stretching motion of the knee of the human is simulated, the first rotary drum 4011 can hang the popliteal fossa at the knee joint part, the thigh is supported, and the second rotary drum 507, can press the front of the lower leg, the second roller 507 can enable the third connecting rod 408 to massage the leg during the left-right swinging process through the third rotating rod 505, the guide groove 506 and the first spring 503 can prevent the leg from being pressed and killed during the flexion and extension movement, and the second roller 507 is tightly attached to the surface of the leg along with the change of the flexion and extension angles of the leg, so that the massage strength of the leg is enhanced. Make the seesaw 603 use fourth activity hinge 602 to rotate as the fulcrum through stepping on seesaw 603, take jack-up pole 6012 through peg 608 and couple 6013, realize adjusting the seat 3 height, can make seesaw 603 automatic re-setting at the in-process of stepping on seesaw 603 through second spring 605, can make flexible contact between peg 608 and couple 6013 through telescopic link 609 and third spring 6010, conveniently hang and guarantee that jack-up pole 6012 can put down, make things convenient for patient to get on or off the seat, and can adapt to the demand of the patient of different heights.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The knee joint rehabilitation training equipment comprises a base (1) and is characterized in that a sleeve (2) is sleeved inside the base (1), a seat (3) is attached to the top end of the sleeve (2), a swinging mechanism (4) is installed behind the seat (3), a massage mechanism (5) is installed at the bottom end of the swinging mechanism (4), a supporting plate (401) is arranged inside the swinging mechanism (4), the supporting plate (401) is fixedly connected with the seat (3), a servo motor (402) is fixed behind the supporting plate (401), a rotating shaft (403) is fixed on the front surface of the supporting plate (401), a first connecting rod (404) is fixed on the front surface of the rotating shaft (403), a first movable hinge (405) is fixed at the bottom end of the first connecting rod (404), a second connecting rod (406) is sleeved on the surface of the first movable hinge (405), and the bottom mounting of second connecting rod (406) has second activity hinge (407), the bottom mounting of second activity hinge (407) has third connecting rod (408), and the back of third connecting rod (408) is fixed with third activity hinge (409), one side of backup pad (401) is fixed with supports diaphragm (4010), and supports for fixed connection between diaphragm (4010) and third activity hinge (409), the front laminating of third connecting rod (408) has first rotary drum (4011), and first bull stick (4012) has been cup jointed to the inside of its first rotary drum (4011), and is fixed connection between first bull stick (4012) and third connecting rod (408), the top of base (1) is fixed with elevating system (6).

2. The knee joint rehabilitation training device of claim 1, wherein the first connecting rod (404) is connected with the supporting plate (401) through a rotating shaft (403) to form a rotating structure, the second connecting rod (406) is connected with the first connecting rod (404) through a first movable hinge (405), the third connecting rod (408) is connected with the second connecting rod (406) through a second movable hinge (407) to form a rotating structure, and the first drum (4011) is connected with the third connecting rod (408) through a first rotating rod (4012) to form a rolling structure.

3. Knee joint rehabilitation training device according to claim 1, characterized in that the massage mechanism (5) comprises a second rotating lever (501) inside, the second rotating rod (501) is fixedly connected with the third connecting rod (408), the surface of the second rotating rod (501) is sleeved with the first movable piece (502), a first spring (503) is fixedly connected with the bottom end of the first movable piece (502), a second movable piece (504) is fixedly arranged at the bottom end of the first spring (503), a third rotating rod (505) is sleeved inside the second movable piece (504), a guide groove (506) is arranged at the bottom end of the third connecting rod (408), the guide groove (506) is connected with the third rotating rod (505) in a sleeved mode, a second roller (507) is attached to the rear face of the guide groove (506), and the second roller (507) is fixedly connected with the third rotating rod (505).

4. The knee joint rehabilitation training device according to claim 3, characterized in that the second roller (507) is in a rolling structure through the third rotating rod (505) and the guide groove (506), and the third rotating rod (505) is in a sliding structure through the guide groove (506) and the second movable member (504).

5. The knee joint rehabilitation training device of claim 1, wherein the lifting mechanism (6) comprises a support (601) inside, a fourth movable hinge (602) is fixed at the top end of the support (601), a seesaw rod (603) is fixed inside the fourth movable hinge (602), a third movable member (604) is fixed at the bottom end of the seesaw rod (603), a second spring (605) is fixed at the bottom end of the third movable member (604), a cushion block (606) is fixed at the bottom end of the second spring (605), the cushion block (606) is fixedly connected with the base (1), a through opening (607) is formed in one side of the sleeve (2), the through opening (607) is connected with the seesaw rod (603) in a sleeved manner, a hanging rod (608) is fixed at one side of the seesaw rod (603), and a telescopic rod (609) is fixed at the front surface of the hanging rod (608), the other side of telescopic link (609) is fixed with third spring (6010), and the surface of its third spring (6010) cup joints a fixed section of thick bamboo (6011), and is fixed connection between a fixed section of thick bamboo (6011) and seesaw (603), ejector pin (6012) has been cup jointed to the inside of sleeve (2), and the couple (6013) have been seted up to the both sides of ejector pin (6012), cup joint between couple (6013) and peg (608) and be connected.

6. The knee joint rehabilitation training device of claim 5, wherein the seesaw rod (603) forms a rotating structure with the bracket (601) through the fourth movable hinge (602), the hanging rod (608) forms a telescopic structure with the third spring (6010) through the telescopic rod (609), and the top rod (6012) forms a lifting structure with the hanging rod (608) through the hook (6013).