CN213285519U - A knee rehabilitation tempers chair for orthopedics - Google Patents

Abstract

The utility model discloses a knee rehabilitation exercise chair for orthopedics, including chair main part and supporting leg, be equipped with the installation piece on two supporting legs that are located chair main part the place ahead, the activity is equipped with swing mechanism between two installation pieces, and the bottom of supporting leg is equipped with damping mechanism, and damping mechanism is used for adjusting the resistance when swing mechanism swings. The swing mechanism comprises a cross shaft, a plurality of swing arms and foot pedals, the cross shaft is fixedly arranged between the two mounting blocks, swing rings are rotatably arranged at two ends of the cross shaft, the swing arms are fixedly arranged at the bottom ends of the swing rings, the number of the swing arms is multiple, the foot pedals are fixed between the bottom ends of the swing arms, and swing plates are arranged at two ends of the foot pedals. The utility model discloses can eliminate the potential safety hazard that the emergence was emptyd when patient oneself walked, avoid patient's knee to bear great pressure, knee secondary injured's phenomenon.

Description

A knee rehabilitation tempers chair for orthopedics

Technical Field

The utility model relates to a knee rehabilitation technical field specifically is a knee rehabilitation tempers chair for orthopedics.

Background

The knee is an important component of the human body and is the key joint part between the large and the small legs. The knee is mainly composed of the meniscus and four ligaments. Wherein, the meniscus is the fibrous cartilage tissue of a crescent shape, and it is located between the inside thighbone lower extreme of knee and the shin bone upper end, can play the effect of buffering knee joint vibrations, can also avoid the direct friction of thighbone lower extreme and shin bone upper end simultaneously. In addition, the knee is supported by four major ligaments. Specifically including medial and lateral process ligament, distribute respectively in the both sides of knee, can prevent knee axle dislocation, still include anterior cruciate ligament and back cruciate ligament, distribute respectively in the knee preceding, back both sides, can prevent to shift around the knee.

On the other hand, it is common that the knee is injured by careless maintenance in daily life. Conditions that lead to knee injuries include excessive exercise, obesity, high-heeled shoes, incorrect running style, heavy physical exertion, and the like. Patients are required to visit a hospital in time to receive professional treatment after knee injury so as not to miss the optimal treatment opportunity. In the process of the later rehabilitation of the knee, proper exercise needs to be performed regularly to be beneficial to the rehabilitation. Do not rely on any device in traditional knee rehabilitation exercise mode, the patient oneself walks, has the potential safety hazard of empting, in addition, when patient's weight is great, patient's self weight leads to the knee to bear great pressure, has the risk of knee secondary injury.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a knee rehabilitation exercise chair for orthopedics, the utility model discloses in when using, the patient sits in the chair main part to place both feet on swing mechanism, then with shank, the reciprocal swing dynamics of applying of foot, can also start damping mechanism as required to increase swing mechanism's resistance when the swing, with the solution tradition not with the help of any device, the patient oneself walks, there is the potential safety hazard of empting and when patient's weight is great, patient self weight leads to the knee to bear great pressure, there is the problem of knee secondary injury risk.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme: the utility model provides a knee rehabilitation exercise chair for orthopedics, includes chair main part and supporting leg, is located two of chair main part the place ahead be equipped with the installation piece on the supporting leg, two the activity is equipped with swing mechanism between the installation piece, the bottom of supporting leg is equipped with damping mechanism, damping mechanism is used for adjusting resistance during swing mechanism swings.

Preferably, the swing mechanism includes a horizontal shaft, swing arms and pedals, the horizontal shaft is fixedly disposed between the two mounting blocks, swing rings are rotatably disposed at two ends of the horizontal shaft, the swing arms are fixedly disposed at bottom ends of the swing rings, the number of the swing arms is multiple, the pedals are fixed between bottom ends of the swing arms, and swing plates are disposed at two ends of the pedals.

Preferably, the swing plate is of an arc structure, and the circle center of the arc structure is located on the axis of the transverse shaft.

Preferably, a stopper is arranged on the transverse shaft, and the stopper can stop the swinging ring from moving transversely along the transverse shaft.

Preferably, the plurality of swing arms are arranged in two groups, the number of the swing arms in each group is two, and an included angle between the two swing arms is an acute angle.

Preferably, the damping mechanism comprises an internal thread sleeve, an external thread sleeve and an elastic damping sheet, the external thread sleeve is fixed to the bottom end of the supporting leg, a cross rod is inserted into the external thread sleeve, the elastic damping sheet is fixed to the inner end of the cross rod, the internal thread sleeve is in threaded connection with the periphery of the external thread sleeve, a knob is arranged on the outer side of the external thread sleeve, and a pressurizing structure is arranged between the knob and the cross rod.

Preferably, the pressurizing structure comprises a propping rod and an elastic piece, the propping rod is fixed on the inner side of the knob, the elastic piece is located between the propping rod and the cross rod, and the propping rod and the elastic piece are both located in the inner cavity of the external thread sleeve.

Compared with the prior art, the knee rehabilitation exercise chair for orthopedics department adopting the technical scheme has the following beneficial effects: during the use, the patient sits in the chair main part, and place both feet on the running-board, then with the shank, the foot reciprocates for the running-board and applys the swing dynamics, the running-board drives the swing through the swing arm and encircles the cross axle and rotate, in order to adapt to the swing of running-board, can also twist the knob as required soon, the knob drives the thread bush rotatory and removal along the external screw thread cover, the knob promotes to support tight pole and removes and compress tightly the elastic component, and then the elastic component promotes horizontal pole and elastic damping piece and supports tightly the swing board, can increase the resistance of swing mechanism when the swing, eliminate the potential safety hazard that the patient took place to empty when oneself walking, to the great patient of weight ratio, the patient sits and just can temper the knee on the chair, avoid the patient knee to bear great pressure.

Drawings

Fig. 1 is a perspective view of an embodiment of the knee rehabilitation exercise chair for orthopedics of the present invention;

FIG. 2 is a side view of the embodiment;

FIG. 3 is a front view of the embodiment;

FIG. 4 is a perspective view of the swing mechanism in the embodiment;

FIG. 5 is a sectional view of the swing mechanism and the damper mechanism in the embodiment;

fig. 6 is a sectional view of the damping mechanism in the embodiment.

Reference numerals: the chair comprises a chair body 1, supporting legs 11, a mounting block 12, a swinging mechanism 2, a swinging ring 21, a transverse shaft 22, a swinging arm 23, a pedal plate 24, a swinging plate 25, a stop 26, a damping mechanism 3, a knob 31, a tightening rod 32, a threaded sleeve 33, an external threaded sleeve 34, a cross rod 35, an elastic damping sheet 36 and an elastic piece 37.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figures 1-3, a knee rehabilitation exercise chair for orthopedics department comprises a chair main body 1 and supporting legs 11, the number of the supporting legs 11 is four totally, wherein, two supporting legs 11 positioned in front of the chair main body 1 are provided with mounting blocks 12, a swing mechanism 2 is movably arranged between the two mounting blocks 12, the mounting blocks 12 are used for mounting the swing mechanism 2, when in use, a patient sits on the chair main body 1 and places two feet on the swing mechanism 2, and then the knee can be exercised by applying swing force in a reciprocating manner, so that the knee rehabilitation exercise chair has an exercise effect.

As shown in fig. 1 and 4, the swing mechanism 2 includes a horizontal shaft 22, a swing arm 23 and a pedal 24, the horizontal shaft 22 is fixedly arranged between the two mounting blocks 12, the two mounting blocks 12 are fixed on the horizontal shaft 22, preferably, the ends of the mounting blocks 12 and the horizontal shaft 22 are welded, the two ends of the horizontal shaft 22 are rotatably provided with swing rings 21, the swing rings 21 can rotate around the axis of the horizontal shaft 22 so as to adapt to the swing operation of the swing mechanism 2, thereby exercising the knees of a patient, preferably, the inner surface of the swing ring 21 and the outer surface of the horizontal shaft 22 are both smooth surfaces, the horizontal shaft 22 is provided with a stopper 26, the stopper 26 can block the swing ring 21 from moving transversely along the horizontal shaft 22, wherein, the stopper 26 can be round, square or other shapes, the size of the stopper 26 is larger than the inner diameter size of the swing ring 21, and preferably, the stopper 26 is a rubber block with. In addition, when the patient need temper the knee, as long as sit on chair main part 1, then temper the knee with the help of the reciprocal swing of swing mechanism 2, replace traditional patient's the exercise mode of walking oneself, eliminate the potential safety hazard of empting, simultaneously, to the great patient of weight, avoid the patient knee to bear great pressure, the phenomenon that the knee is injured twice.

As shown in fig. 1 and 4, the swing arm 23 is fixedly disposed at the bottom end of the swing ring 21, a plurality of swing arms 23 are provided, the swing arms 23 are in a strip structure, the foot plate 24 is fixed between the bottom ends of the plurality of swing arms 23, the swing arms 23 are located at the side ends of the foot plate 24, the plurality of swing arms 23 are configured in two groups, the number of each group of swing arms 23 is two, and the included angle between the two swing arms 23 is an acute angle, so that the swing arms 23 can effectively fix the foot plate 24 to prevent the foot plate 24 from falling off during swinging, preferably, the foot plate 24 includes a bottom plate and front and rear side plates, wherein the bottom plate is used for supporting the sole of the patient, and the two side plates are used for blocking the heel and the toes, so as to ensure that the foot of.

As shown in fig. 1, 2 and 4, the two ends of the pedal 24 are both provided with the swinging plate 25, wherein the swinging plate 25 is made of wear-resistant material, the thickness of the swinging plate 25 is greater than 20mm, the swinging plate 25 is of an arc structure, the center of the arc structure is located on the axis of the transverse shaft 22, the swinging plate 25 can swing around the axis of the transverse shaft 22, the lowest end of the swinging plate 25 can be always in contact with the damping mechanism 3, the stability of the damping force is ensured, and the knee exercising effect is improved.

As shown in fig. 1, 3, 5, 6, the bottom of supporting leg 11 is equipped with damping mechanism 3, and damping mechanism 3 is used for adjusting the resistance when swing mechanism 2 swings, and the patient can change the damping dynamics according to the needs of taking exercise to possess different exercise effects.

Specifically, the damping mechanism 3 includes an internal thread sleeve 33, an external thread sleeve 34 and an elastic damping sheet 36, the external thread sleeve 34 is fixed on the bottom end of the supporting leg 11, the external thread sleeve 34 and the supporting leg 11 are welded and fixed, a cross rod 35 is inserted in the external thread sleeve 34, the outer diameter of the cross rod 35 is smaller than the inner diameter of the external thread sleeve 34, so as to ensure that the cross rod 35 can slide in the inner cavity of the external thread sleeve 34, the elastic damping sheet 36 is fixed on the inner end of the cross rod 35, the elastic damping sheet 36 is made of wear-resistant material, the internal thread sleeve 33 is in threaded connection with the periphery of the external thread sleeve 34, a knob 31 is arranged on the outer side of the external thread sleeve 34, a pressurizing structure is arranged between the knob 31 and the cross rod 35, when in use, the knob 31 is rotated by hand, the knob 31 drives the internal thread sleeve 33 to rotate and move along the, the cross rod 35 drives the elastic damping piece 36 to extrude the swinging plate 25, so that the resistance of the swinging mechanism 2 during swinging is increased, the patient can adjust the extrusion force between the elastic damping piece 36 and the swinging plate 25 according to the requirement of exercise intensity, and the use is more flexible.

As shown in fig. 5 and 6, the pressurizing structure includes a resisting rod 32 and an elastic member 37, the resisting rod 32 is fixed on the inner side of the knob 31, the knob 31 can drive the resisting rod 32 to move towards the external thread sleeve 34, the elastic member 37 is located between the resisting rod 32 and the cross rod 35, and the resisting rod 32 and the elastic member 37 are both located in the inner cavity of the external thread sleeve 34, in use, the resisting rod 32 moves to extrude the elastic member 37 to deform, and meanwhile, the elastic member 37 pushes the cross rod 35 to slide in the external thread sleeve 34, so that the elastic damping sheet 36 extrudes the swinging plate 25, wherein the elastic member 37 has a buffering effect, and specifically, the elastic member 37 is a rectangular coil spring.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a knee rehabilitation exercise chair for orthopedics, includes chair main part (1) and supporting leg (11), its characterized in that: be located two in chair main part (1) the place ahead be equipped with installation piece (12), two on the supporting leg (11) the activity is equipped with swing mechanism (2) between installation piece (12), the bottom of supporting leg (11) is equipped with damping mechanism (3), damping mechanism (3) are used for adjusting resistance when swing mechanism (2) swing.

2. The knee rehabilitation exercise chair for orthopedics as claimed in claim 1, wherein: the swing mechanism (2) comprises a transverse shaft (22), swing arms (23) and pedals (24), wherein the transverse shaft (22) is fixedly arranged between the two mounting blocks (12), swing rings (21) are rotatably arranged at two ends of the transverse shaft (22), the swing arms (23) are fixedly arranged at the bottom ends of the swing rings (21), the number of the swing arms (23) is multiple, the pedals (24) are fixed between the bottom ends of the swing arms (23), and swing plates (25) are arranged at two ends of each pedal (24).

3. The knee rehabilitation exercise chair for orthopedics as claimed in claim 2, wherein: the swing plate (25) is of an arc-shaped structure, and the circle center of the arc-shaped structure is located on the axis of the transverse shaft (22).

4. The knee rehabilitation exercise chair for orthopedics as claimed in claim 2, wherein: the transverse shaft (22) is provided with a stop block (26), and the stop block (26) can stop the swinging ring (21) from transversely moving along the transverse shaft (22).

5. The knee rehabilitation exercise chair for orthopedics as claimed in claim 2, wherein: the plurality of the swing arms (23) are configured into two groups, the number of the swing arms (23) in each group is two, and the included angle between the two swing arms (23) is an acute angle.

6. The knee rehabilitation exercise chair for orthopedics as claimed in claim 1, wherein: damping mechanism (3) are including internal thread cover (33), external screw thread cover (34) and elastic damping piece (36), external screw thread cover (34) are fixed on the bottom of supporting leg (11), external screw thread cover (34) interpolation is equipped with horizontal pole (35), elastic damping piece (36) are fixed on the inner of horizontal pole (35), internal thread cover (33) threaded connection be in on the periphery of external screw thread cover (34), the outside of external screw thread cover (34) is equipped with knob (31), be equipped with pressure boost structure between knob (31) and horizontal pole (35).

7. The knee rehabilitation exercise chair for orthopedics department of claim 6, characterized in that: the pressure intensifying structure includes supporting rod (32) and elastic component (37), supporting rod (32) is fixed on the inboard of knob (31), elastic component (37) are located supporting rod (32) with between horizontal pole (35), just supporting rod (32) and elastic component (37) all are located in the inner chamber of external thread cover (34).

Images