CN218740068U

CN218740068U - Knee joint rehabilitation training device

Info

Publication number: CN218740068U
Application number: CN202222704355.1U
Authority: CN
Inventors: 王明霞; 王艾君; 张梅
Original assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Current assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-03-28
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a knee joint rehabilitation training device, including bottom plate, training seat, slide, horizontal drive mechanism, foot's slider, recovery resistance spring, foot standing groove, pendulum rod, connecting rod. The training seat passes through the lift adjustment mechanism and sets up on the bottom plate, the slide passes through the slip of horizontal slip guiding mechanism and slides and set up on the bottom plate, set up the spout that two sets of direction are on a parallel with the direction of horizontal slip guiding mechanism on the slide, horizontal drive mechanism sets up on the bottom plate, the foot slider is totally two sets of, and sliding connection is at two sets of spouts respectively, it is totally two sets of to recover the resistance spring, and set up respectively in two sets of spouts, the foot standing groove is totally two sets of, and set up respectively in two sets of foot sliders upper ends, the link gear that pendulum rod and connecting rod are constituteed is totally two sets of. The utility model is suitable for a patient of different leg lengths carries out the rehabilitation training.

Description

Knee joint rehabilitation training device

Technical Field

The utility model relates to a rehabilitation training device specifically is a knee joint rehabilitation training equipment.

Background

When a patient with knee joint injury carries out rehabilitation training by means of rehabilitation training equipment, the rehabilitation training equipment can be operated by using both hands, so that the knee joint of the patient can be passively bent to achieve the training purpose, and the leg can be actively forced to bend to achieve the training purpose without the aid of both hands.

Through the retrieval, chinese utility model patent that application number is 202120183378.5 discloses a low limbs knee joint rehabilitation training ware, including bottom plate, lift adjustment pole, training bedplate, backup pad, slidingtype recoverable joint reciprocating training device and manual supplementary training device, the lift adjustment pole is located on the bottom plate, the training bedplate is located on the lift adjustment pole, the backup pad is located on the bottom plate, slidingtype recoverable joint reciprocating training device locates in the backup pad, manual supplementary training device articulates and locates on the slidingtype recoverable joint reciprocating training device, slidingtype recoverable joint reciprocating training device includes spout, foot fixed sliding block, shank fixed band, connecting screw, link and recovery resistance spring, the spout is located in the backup pad, foot fixed sliding block slides and locates on the spout, the shank fixed band is located on the foot fixed sliding block, connecting screw threaded connection locates on the fixed sliding block lateral wall of foot, the link is located on the connecting screw, recovery resistance spring one end is located on the spout inner wall, recovery resistance spring memorial basil end is located on the fixed sliding block lateral wall of foot, manual supplementary training device includes that the hand pull ring is located on the link, the articulated link is located the link. It can be understood from the technical solution described in the patent document that a patient can apply force to his/her legs to bend the knee joints to achieve the purpose of training, and can pull the hand ring with both hands to make his/her knee joints to bend passively by using the strength of the arms to achieve the purpose of training, but the technical solution described in the patent document has a disadvantage in that the static position of the foot fixing slider is limited by the restoring resistance spring, so that the distance between the static foot fixing slider and the training seat plate is fixed, and since different patients have different leg lengths, and the distance between the foot fixing slider and the training seat plate is relatively large, for a patient with a short leg, the foot may not reach the foot fixing slider when sitting on the training seat plate, and thus the problem cannot be applied to the rehabilitation training of a patient with a short leg. Therefore, the utility model discloses to the unable adjustment of interval between the fixed slider of foot under the static state and training seat board and lead to its unable patient that is applicable to the shank shorter to carry out this problem of rehabilitation training, and provide a knee joint rehabilitation training equipment to solve this problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme be:

a knee joint rehabilitation training device comprises a bottom plate, a training seat, a sliding plate, a horizontal driving mechanism, a foot sliding block, a restoring resistance spring, a foot placing groove, a swinging rod and a connecting rod. The training seat is arranged on the bottom plate through a lifting adjusting mechanism, the sliding plate is arranged on the bottom plate in a sliding mode through a horizontal sliding guide mechanism, two groups of sliding grooves which are parallel to the direction of the horizontal sliding guide mechanism are formed in the sliding plate, the horizontal driving mechanism is arranged on the bottom plate and drives the sliding plate to approach to or keep away from the training seat along the direction of the horizontal sliding guide mechanism, two groups of foot sliding blocks are arranged on the sliding plate and are respectively connected to the two groups of sliding grooves, two groups of restoring resistance springs are arranged in the two groups of sliding grooves respectively, one end of each restoring resistance spring is connected with the inner wall of the corresponding sliding groove, the other end of each restoring resistance spring is connected with the corresponding foot sliding block in the corresponding sliding groove, two groups of foot placing grooves are arranged at the upper ends of the two groups of foot sliding blocks respectively, two groups of linkage mechanisms formed by the swinging rods and the connecting rods are adjacent to the two groups of foot sliding blocks respectively, the lower ends of the swinging rods are hinged to the upper end face of the sliding plate, a handle is rotatably connected to the upper end of the swinging rods, one end of each connecting rod is adjacent to the middle of the swinging rod and hinged to the swinging rod body, and the other end of the connecting rod is rotatably connected to a rotating shaft arranged on the adjacent foot sliding block.

Furthermore, the lifting adjusting mechanism comprises an outer rectangular sleeve, an inner rectangular sleeve, a vertical screw rod, a driving block, a first bevel gear and a transmission shaft. Outer rectangular sleeve sets up on the bottom plate, interior rectangular sleeve slides and sets up training seat bottom surface is connected to outer rectangular sleeve inboard and upper end, vertical lead screw is located in the common inner chamber that outer rectangular sleeve, interior rectangular sleeve formed, its lower extreme rotates and connects on the bottom plate, drive block threaded connection the screw thread portion of vertical lead screw and with interior rectangular sleeve inner wall fixed connection, the adjacent vertical lead screw lower extreme of first helical gear sets up on its body coaxially, the transmission shaft level runs through outer rectangular sleeve lateral wall and is connected rather than rotating, its one end that is located outer rectangular sleeve inside be equipped with first helical gear meshing's second helical gear, the other end is equipped with the rocking handle.

Furthermore, the lifting adjusting mechanism further comprises a downlink limiting strip symmetrically arranged on the side wall inside the outer rectangular sleeve.

Furthermore, the horizontal sliding guide mechanism comprises a horizontal guide rail horizontally arranged on the bottom plate and a bar-shaped sliding block in sliding connection with the horizontal guide rail, and the bar-shaped sliding block is connected with the lower end face of the sliding plate in a supporting manner.

Furthermore, the horizontal driving mechanism comprises a horizontal screw rod horizontally arranged on the bottom plate and a nut connected with a threaded part of the horizontal screw rod, a rotating handle is arranged at one end of the horizontal screw rod, and the nut is connected with the lower end face of the sliding plate.

Furthermore, guide rods penetrating through the foot sliding blocks and through the center holes of the restoring resistance springs are horizontally arranged in the two groups of sliding grooves.

The utility model has the advantages that:

the utility model provides a knee joint rehabilitation training device, through horizontal drive mechanism's setting, can drive the slide and approach or keep away from the training seat along horizontal slip guiding mechanism's direction to make the foot standing groove on the slider of foot on the slide and the slider of foot approach thereupon or keep away from the training seat, and combine the training seat to carry out altitude mixture control through lift adjustment mechanism, can make the utility model is suitable for a patient of different leg length carries out the rehabilitation training, consequently to the shorter patient of shank, also can be suitable for.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the first viewing angle of the present invention.

Fig. 2 is a perspective view of the second viewing angle of the present invention.

Fig. 3 is a cross-sectional view of fig. 2.

1. The training chair comprises a bottom plate, 2, a training chair, 30, an outer rectangular sleeve, 31, an inner rectangular sleeve, 32, a vertical screw rod, 33, a driving block, 34, a first helical gear, 35, a transmission shaft, 36, a second helical gear, 37, a rocking handle, 38, a descending limiting strip, 4, a sliding plate, 50, a horizontal guide rail, 51, a strip-shaped sliding block, 6, a sliding groove, 70, a horizontal screw rod, 71, a screw nut, 72, a rotating handle, 8, a foot sliding block, 9, a restoring resistance spring, 10, a foot placing groove, 11, a swinging rod, 12, a connecting rod, 13, a handle, 14, a rotating shaft, 15 and a guide rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a knee joint rehabilitation training device, which comprises a bottom plate 1, a training seat 2, a sliding plate 4, a horizontal driving mechanism, a foot slider 8, a restoring resistance spring 9, a foot placing groove 10, a swing rod 11 and a connecting rod 12. The training seat 2 is arranged on the bottom plate 1 through a lifting adjusting mechanism for adjusting the height, the sliding plate 4 is arranged on the bottom plate 1 in a sliding mode through a horizontal sliding guide mechanism, two groups of sliding grooves 6 which are used for guiding and are parallel to the direction of the horizontal sliding guide mechanism are formed in the sliding plate 4, a horizontal driving mechanism is arranged on the bottom plate 1 and drives the sliding plate 4 to approach or keep away from the training seat 2 along the direction of the horizontal sliding guide mechanism, two groups of foot sliding blocks 8 are arranged in the two groups of sliding grooves 6 respectively in a sliding mode, two groups of restoring resistance springs 9 are arranged in the two groups of sliding grooves 6 respectively, one end of each restoring resistance spring is connected with the inner wall of the corresponding sliding groove 6, the other end of each foot sliding block 8 in the corresponding sliding groove 6 is connected with the other end of each foot sliding block 8, in the two groups of sliding grooves 6, guide rods 15 which penetrate through the foot sliding blocks 8 and penetrate through the center holes of the restoring resistance springs 9 are horizontally arranged, stable guiding is provided for deformation of the restoring resistance springs 9 by the arrangement of the guide rods 15, two groups of foot placing grooves 10 are arranged in the two groups of foot sliding blocks 8 respectively arranged at the upper ends of the two groups of the foot sliding blocks 8, the swinging rods 11 and the connecting rods 12 are connected with the connecting rods 12, two groups of the connecting rods 11, the connecting rods 11 are connected with the middle of the rotating shafts 12, and the rotating blocks which are connected with the rotating shafts 14 which are connected with the rotating of the rotating blocks which are arranged at the middle of the connecting rods 12 which are adjacent to the connecting rods 8. Through horizontal drive mechanism's setting, can drive slide 4 and approach or keep away from training seat 2 along horizontal sliding guide mechanism's direction, thereby make foot slider 8 on the slide 4 and the foot standing groove 10 on the foot slider 8 approach along with it or keep away from training seat 2, and combine training seat 2 to carry out altitude mixture control through lift adjustment mechanism, can make the utility model is suitable for a patient of different leg length carries out the rehabilitation training, the patient with the help of the utility model discloses when carrying out the rehabilitation training, according to the leg length of oneself, utilize lift adjustment mechanism, horizontal drive mechanism's regulation, when can both make the patient of different leg lengths sit on training seat 2, the thigh keeps the horizontality, and the shank slope, the foot is placed in foot standing groove 10, in order to keep the exact training posture. Even for a patient with short legs, when the feet of the patient cannot be placed in the foot placement grooves 10 due to the short legs, the horizontal driving mechanism can be adjusted to enable the sliding plate 4 to approach the training seat 2 along the guide of the horizontal sliding guide mechanism, so that the foot sliding blocks 8 and the foot placement grooves 10 on the foot sliding blocks 8 move along with the sliding plate, and if the patient sits on the training seat 2 and the feet of the patient cannot be placed in the foot placement grooves 10 due to the fact that the height of the patient is too high, the height of the training seat 2 can be reduced by adjusting the lifting adjusting mechanism. The patient sits on the training chair 2, after two feet are respectively placed in the two groups of foot placing grooves 10, the patient actively exerts force by means of the two legs, the legs are bent inwards, the heels of the feet push the inner side walls of the foot placing grooves 10, so that the foot sliders 8 overcome the tensile force of the restoring resistance springs 9 and move towards the direction of the training chair 2, the knee joints are actively bent, the restoring resistance springs 9 are pulled to deform and play a role in pulling back the two groups of foot sliders 8, and resistance can be applied to the legs of the patient, so that the knee joints of the patient can be trained; when a patient needs to make the knee joint bend passively by means of force exerted by two hands, the handles 13 at the upper ends of the two groups of swing rods 11 are pulled back by the two hands respectively, the swing rods 11 swing downwards by taking a hinge point at the lower ends of the swing rods as a circle center, in the process of swinging the swing rods 11 downwards, the connecting rods 12 are prompted to push the foot sliders 8 through the rotating shafts 14 which are rotatably connected with the connecting rods to overcome the tensile force of the restoring resistance springs 9 and move towards the training seat 2, and the two feet which are respectively placed in the two groups of foot placing grooves 10 move along with the swing rods, so that the knee joint of the patient bends passively, the aim of training the knee joint by means of the strength of the arms of the patient can be achieved, when the knee joint of the patient needs to make the knee joint bend passively by means of force exerted by two hands, the legs of the patient cannot exert complete force due to the knee joint, so that the two hands cannot be separated from the handles 13 at the upper ends of the two groups of the swing rods 11 immediately after the knee joint of the patient bends passively, the knee joint is easy to cause injury to the knee joint, and the arm force of the patient slowly plays back again, so that the restoring resistance springs 13 can be achieved slowly, and the original state of the knee joint is changed from the bending slowly.

In the present embodiment, the height of the training chair 2 can be adjusted by the adjustment mechanism of the lifting horizontal driving mechanism, which specifically comprises an outer rectangular sleeve 30, an inner rectangular sleeve 31, a vertical screw 32, a driving block 33, a first bevel gear 34, and a transmission shaft 35. The outer rectangular sleeve 30 is arranged on the bottom plate 1, the inner rectangular sleeve 31 is arranged on the inner side of the outer rectangular sleeve 30 in a sliding mode, the upper end of the inner rectangular sleeve 31 is connected with the bottom surface of the training seat 2, the vertical screw 32 is located in a common inner cavity formed by the outer rectangular sleeve 30 and the inner rectangular sleeve 31, the lower end of the vertical screw is connected to the bottom plate 1 in a rotating mode, the driving block 33 is in threaded connection with the threaded portion of the vertical screw 32 and is fixedly connected with the inner wall of the inner rectangular sleeve 31, the first helical gear 34 is adjacent to the lower end of the vertical screw 32 and is coaxially arranged on the body of the vertical screw, the transmission shaft 35 horizontally penetrates through the side wall of the outer rectangular sleeve 30 and is connected with the side wall of the outer rectangular sleeve in a rotating mode, the second helical gear 36 meshed with the first helical gear 34 is arranged at one end of the inner portion of the outer rectangular sleeve 30, the rocking handle 37 is arranged at the other end of the inner side wall of the outer rectangular sleeve 30, and the lower limiting strips 38 used for limiting downward moving stroke of the inner rectangular sleeve 31 are symmetrically arranged on the inner side wall of the outer rectangular sleeve 30.

The operation process of adjusting the height of the training seat 2 by using the lifting horizontal driving mechanism is as follows:

the transmission shaft 35 drives the second bevel gear 36 to rotate by swinging the rocking handle 37, the second bevel gear 36 drives the first bevel gear 34 engaged with the second bevel gear to rotate, the first bevel gear 34 drives the vertical screw rod 32 connected with the first bevel gear to rotate, and the vertical screw rod 32 drives the driving block 33 connected with the threaded part of the vertical screw rod to move up or down when rotating, so that the inner rectangular sleeve 31 connected with the driving block 33 moves up or down, the training seat 2 connected with the upper end of the inner rectangular sleeve 31 moves up or down along with the inner rectangular sleeve, and finally the height adjustment of the training seat 2 is realized.

In this embodiment, the horizontal sliding guide mechanism includes a horizontal guide rail 50 horizontally disposed on the bottom plate 1 and a bar-shaped slider 51 slidably connected to the horizontal guide rail 50, the bar-shaped slider 51 supports and connects the lower end face of the sliding plate 4, the horizontal driving mechanism includes a horizontal lead screw 70 horizontally disposed on the bottom plate 1 and a nut 71 connected to the threaded portion of the horizontal lead screw 70, one end of the horizontal lead screw 70 is provided with a rotating handle 72, and the nut 71 is connected to the lower end face of the sliding plate 4.

The operation of driving the slide 4 toward or away from the training seat 2 along the guide of the horizontal slide guide mechanism by the horizontal drive mechanism is as follows:

the horizontal screw rod 70 is rotated by operating the rotating handle 72, and the screw 71 connected with the threaded part of the horizontal screw rod 70 drives the sliding plate 4 to translate on the horizontal guide rail 50 along the guide direction of the horizontal guide rail 50 through the strip-shaped sliding block 51, so that the sliding plate 4 can translate towards or away from the training seat 2.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A knee joint rehabilitation training device, comprising:

a base plate (1);

the training seat (2) is arranged on the bottom plate (1) through a lifting adjusting mechanism;

the sliding plate (4) is arranged on the bottom plate (1) in a sliding manner through a horizontal sliding guide mechanism, and two groups of sliding grooves (6) which are used for guiding and are parallel to the horizontal sliding guide mechanism are formed in the sliding plate (4);

the horizontal driving mechanism is arranged on the bottom plate (1) and drives the sliding plate (4) to approach or move away from the training seat (2) along the guide of the horizontal sliding guide mechanism;

the foot sliding blocks (8) are divided into two groups and are respectively connected with the two groups of sliding grooves (6) in a sliding manner;

two groups of restoring resistance springs (9) are respectively arranged in the two groups of sliding chutes (6), one end of each restoring resistance spring is connected with the inner wall of the corresponding sliding chute (6), and the other end of each restoring resistance spring is connected with the foot sliding block (8) in the corresponding sliding chute (6);

the foot placing grooves (10) are divided into two groups and are respectively arranged at the upper ends of the two groups of foot sliding blocks (8);

the foot-shaped sliding block structure comprises two groups of swing rods (11) and connecting rods (12) with one ends adjacent to the middle of the swing rods and hinged to the body, the two groups of connecting rods (12) are adjacent to the two groups of foot sliding blocks (8) respectively, the lower ends of the swing rods (11) are hinged to the upper end face of the sliding plate (4), the upper ends of the swing rods (11) are rotatably connected with handles (13), and the other ends of the connecting rods (12) are rotatably connected with rotating shafts (14) arranged on the adjacent foot sliding blocks (8).

2. The knee joint rehabilitation training device according to claim 1, wherein the elevation adjustment mechanism includes:

the outer rectangular sleeve (30) is arranged on the bottom plate (1);

the inner rectangular sleeve (31) is arranged on the inner side of the outer rectangular sleeve (30) in a sliding mode, and the upper end of the inner rectangular sleeve is connected with the bottom surface of the training seat (2);

the vertical screw rod (32) is positioned in a common inner cavity formed by the outer rectangular sleeve (30) and the inner rectangular sleeve (31), and the lower end of the vertical screw rod is rotatably connected to the bottom plate (1);

the driving block (33) is in threaded connection with the threaded part of the vertical screw rod (32) and is fixedly connected with the inner wall of the inner rectangular sleeve (31);

the first bevel gear (34) is arranged on the body of the vertical screw rod (32) and is adjacent to the lower end of the vertical screw rod;

and the transmission shaft (35) horizontally penetrates through the side wall of the outer rectangular sleeve (30) and is in rotating connection with the side wall, one end of the transmission shaft, which is positioned inside the outer rectangular sleeve (30), is provided with a second bevel gear (36) meshed with the first bevel gear (34), and the other end of the transmission shaft is provided with a rocking handle (37).

3. The knee joint rehabilitation training device of claim 2, wherein the lifting adjusting mechanism further comprises a downward limiting strip (38) symmetrically arranged on the inner side wall of the outer rectangular sleeve (30).

4. The knee joint rehabilitation training device according to claim 1, wherein the horizontal sliding guide mechanism comprises a horizontal guide rail (50) horizontally arranged on the bottom plate (1) and a strip-shaped sliding block (51) in sliding connection with the horizontal guide rail (50), and the strip-shaped sliding block (51) supports and is connected with the lower end face of the sliding plate (4).

5. The knee joint rehabilitation training device according to claim 1, wherein the horizontal driving mechanism comprises a horizontal lead screw (70) horizontally arranged on the bottom plate (1) and a nut (71) connected with a threaded portion of the horizontal lead screw (70), a rotating handle (72) is arranged at one end of the horizontal lead screw (70), and the nut (71) is connected with the lower end face of the sliding plate (4).

6. The knee joint rehabilitation training device according to claim 1, wherein a guide rod (15) penetrating through a foot sliding block (8) and a central hole of a restoring resistance spring (9) is horizontally arranged in each of the two groups of sliding grooves (6).