阅读说明：本技术 一种应用于老年腿脚抗衰老的康复训练设备 (Be applied to anti-ageing rehabilitation training device of old age leg and foot ) 是由 江朝伟 谢琪 于 2019-10-30 设计创作，主要内容包括：本发明涉及老年科康复训练设备领域,具体为一种应用于老年腿脚抗衰老的康复训练设备,包括床架,床架上固定有滑杆,滑杆的一端固定有固定座台,固定座台上固定有座板,座板上设置有可调节角度的靠背,滑杆的另一端滑动连接有滑座,滑座上固定有支架,支架的上端固定有平板,平板上铰接有踏板,踏板上固定有绑带,滑座上设置有限度机构,限速机构可与滑杆相连接,固定座台和滑座之间设置有撑木,撑木分别通过两个拉杆与固定座台、滑座铰接连接,拉杆中部设置有按摩机构,且按摩机构通过拉绳与床架的中部相连接。该种应用于老年腿脚抗衰老的康复训练设备,实现对老年人腿部的训练,从而提高老年人腿部的力量,并提高功能性,从而起到抗衰老的作用。(The invention relates to the field of rehabilitation training equipment for old people, in particular to rehabilitation training equipment for senile leg and foot aging resistance, which comprises a bedstead, wherein a sliding rod is fixed on the bedstead, a fixed seat platform is fixed at one end of the sliding rod, a seat board is fixed on the fixed seat platform, a backrest with an adjustable angle is arranged on the seat board, a sliding seat is connected to the other end of the sliding rod in a sliding manner, a support is fixed on the sliding seat, a flat plate is fixed at the upper end of the support, a pedal is hinged to the flat plate, a binding belt is fixed on the pedal, a limited mechanism is arranged on the sliding seat, a speed limiting mechanism can be connected with the sliding rod, a brace is arranged between the fixed seat platform and the sliding seat, the brace is respectively hinged to the fixed seat platform and the sliding seat through two pull rods, a massage mechanism is. The rehabilitation training device applied to the anti-aging of the legs and the feet of the old people can be used for training the legs of the old people, so that the strength of the legs of the old people is improved, the functionality is improved, and the anti-aging effect is achieved.)

1. The utility model provides a be applied to anti-ageing rehabilitation training device of old age leg, includes bedstead (1), its characterized in that: the bed frame is characterized in that a sliding rod (2) is fixed on the bed frame (1), one end of the sliding rod (2) is fixed with a fixed seat base (3), a seat board (4) is fixed on the fixed seat base (3), a backrest (5) with an adjustable angle is arranged on the seat board (4), the other end of the sliding rod (2) is connected with a sliding seat (11) in a sliding manner, a support (12) is fixed on the sliding seat (11), a flat plate (13) is fixed at the upper end of the support (12), a pedal (14) is hinged on the flat plate (13), a binding belt (15) is fixed on the pedal (14), a limit mechanism is arranged on the sliding seat (11), the speed limit mechanism can be connected with the sliding rod (2), a supporting wood (8) is arranged between the fixed seat base (3) and the sliding seat (11), and the supporting wood (8) is respectively hinged with the fixed seat base (3) and the sliding seat (11) through two pull, the middle part of the pull rod (10) is provided with a massage mechanism, and the massage mechanism is connected with the middle part of the bedstead (1) through a pull rope (19).

2. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 1, wherein: slide bar (2) are provided with two to be parallel to each other on same horizontal plane, prop wood (8) cross section and be semi-circular, and prop the lower surface of wood (8) and be the plane, the lower fixed surface that props wood (8) has two cushion (9) that correspond with slide bar (2), the lower surface of cushion (9) is provided with opening U-shaped bayonet socket (29) down, and bayonet socket (29) and corresponding slide bar (2) looks adaptation, the inside sliding connection of bayonet socket (29) has curved fixture block (30), and the inboard top of fixture block (30) and bayonet socket (29) is connected through spring (31).

3. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 1, wherein: pull rod (10) are including a column casing (20) and two screw rods (21) that the structure is the same, threaded hole is all seted up at the both ends of column casing (20), and two screw rod (21) threaded connection respectively is downthehole at the screw thread that corresponds, the one end that column casing (21) were kept away from in screw rod (21) articulates there is pin (22), and two pin (22) on one of them pull rod (10) articulate respectively and prop wood (8) and fixed seat platform (3), and two pin (22) on another pull rod (10) articulate respectively and prop wood (8) and slide (11).

4. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 2, wherein: the massage mechanism comprises a cylindrical cavity (24) arranged inside the cylindrical barrel (20), a rotating shaft (25) is rotatably connected in the cylindrical cavity (24) through the rotating shaft, the rotating shaft (25) is connected with the cylindrical barrel (20) through a coil spring (17), and a winding wheel (27) and a plurality of cams (26) are fixed on the rotating shaft (25).

5. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 4, wherein: the rotating shaft (25) and the column tube (20) share the central axis, a threading hole is formed in the side wall of the received cylindrical cavity (24), a pulling rope (19) is wound on the winding wheel (27), and one end of the pulling rope (19) penetrates through the threading hole to be fixedly connected with the middle of the bedstead (1).

6. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 4, wherein: the massage mechanism further comprises a supporting plate (23), the supporting plate (23) is an arc-shaped plate, the middle of the outer arc surface of the supporting plate (23) is fixed on the upper side of the column barrel (20), a plurality of hammer rods (28) corresponding to the cams (26) are inserted into the bottom of the supporting plate (23), the hammer rods (28) penetrate through the side wall of the column barrel (20) and can slide relative to the column barrel (28), and one ends of the hammer rods (28) located inside the column-shaped cavity (24) are in abutting-buckling contact with the corresponding cams (26).

7. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 1, wherein: the speed limiting mechanism comprises a bolt (33) which is in threaded connection with the support (12), the bolt (33) is perpendicular to the sliding rod (2), a sliding groove (32) is formed in the support (12), the sliding groove (32) is vertically upward, a sliding block (35) is connected in the sliding groove (32) in a sliding mode, the sliding block (35) is connected with the bottom of the bolt (33) through a second spring (33), and a friction block (16) is hinged to the lower surface of the sliding block (35).

8. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 7, wherein: the sliding seat (11) is provided with a through hole (18), the friction block (16) penetrates through the through hole (18) to be in friction contact with the corresponding sliding rod (2), and one side, close to the pull rod (10), of the friction block (16) in a vertical state is in abutting-buckling contact with the support (12).

9. The rehabilitation training device for the aging resistance of the legs and the feet of the elderly as recited in claim 1, wherein: the lower side edge of the back plate (5) is hinged to the seat plate (4), a turbine (6) is fixed at a hinged shaft, a worm (7) is connected to the bottom of the seat plate (4) in a fixed-shaft rotating mode, and the worm (7) is meshed with the turbine (6) and connected with the turbine.

Technical Field

The invention relates to the field of rehabilitation training equipment for the aged, in particular to rehabilitation training equipment applied to the anti-aging of legs and feet of the aged.

Background

The old person weakens because of the increase of age shank strength, along with the increase of age, the risk of disease also increases, especially for the old person who recumbents for a long time, the training that the shank obtained is very few, and the activity of shank is less leads to the blood flow, the supply of nutrition is not enough, the speed that the leg and foot is ageing of aggravation, consequently can lead to the decline or disappearance of leg and foot functionality, for the convenience old person, especially recumbent for the exercise rehabilitation of leg and foot, we propose a rehabilitation training device who is applied to old person's leg and foot anti-aging.

Disclosure of Invention

The invention aims to provide a rehabilitation training device applied to the anti-aging of legs and feet of old people, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be applied to anti-ageing rehabilitation training equipment of old leg, which comprises a bedstead, be fixed with the slide bar on the bedstead, the one end of slide bar is fixed with fixed seat platform, be fixed with the bedplate on the fixed seat platform, and be provided with angle regulation's back on the bedplate, the other end sliding connection of slide bar has the slide, be fixed with the support on the slide, and the upper end of support is fixed with the flat board, it has the footboard to articulate on the flat board, and be fixed with the bandage on the footboard, be provided with limit mechanism on the slide, and speed limit mechanism can be connected with the slide bar, be provided with the vaulting pole between fixed seat platform and the slide, and the vaulting pole is respectively through two pull rods and fixed seat platform, the slide is articulated to be connected, the pull rod middle part.

Preferably, the number of the sliding rods is two, the sliding rods are parallel to each other on the same horizontal plane, the cross section of the support wood is semicircular, the lower surface of the support wood is a plane, two cushion blocks corresponding to the sliding rods are fixed on the lower surface of the support wood, U-shaped bayonets with downward openings are formed in the lower surfaces of the cushion blocks and are matched with the corresponding sliding rods, arc-shaped clamping blocks are connected to the inner portions of the bayonets in a sliding mode, and the clamping blocks are connected with the tops of the inner sides of the bayonets through springs.

Preferably, the pull rod includes a column casing and two screw rods that the structure is the same, and threaded hole, and two are all seted up at the both ends of column casing screw thread connection respectively is downthehole at the screw thread that corresponds, and the one end that the column casing was kept away from to the screw rod articulates there is the pin rod, and two pin rods on one of them pull rod articulate respectively and prop wood and fixed seat platform, and two pin rods on another pull rod articulate respectively and prop wood and slide.

Preferably, the massage mechanism comprises a cylindrical cavity arranged inside the cylindrical barrel, a rotating shaft is connected in the cylindrical cavity in a fixed-shaft rotating mode, the rotating shaft is connected with the cylindrical barrel through a coil spring, and a winding wheel and a plurality of cams are fixed on the rotating shaft.

Preferably, the rotating shaft and the column tube share the central axis, a threading hole is formed in the side wall of the received cylindrical cavity, a pulling rope is wound on the winding wheel, and one end of the pulling rope penetrates through the threading hole to be fixedly connected with the middle part of the bedstead.

Preferably, massage mechanism still includes the layer board, and the layer board is the arc, and the upside at the column casing is fixed in the extrados middle part of layer board, and the bottom of layer board is pegged graft and is had a plurality ofly and the corresponding hammer stem of cam, and the hammer stem runs through the lateral wall of column casing and can slide relative to the column casing, and the one end that the hammer stem is located cylindrical cavity inside is supported with the cam that corresponds and is detained the contact.

Preferably, the speed limiting mechanism comprises a bolt which is in threaded connection with the support, the bolt is perpendicular to the sliding rod, a sliding groove is formed in the support, the direction of the sliding groove is vertical and upward, a sliding block is connected in the sliding groove in a sliding mode, the sliding block is connected with the bottom of the bolt through a spring two phase, and a friction block is hinged to the lower surface of the sliding block.

Preferably, the sliding seat is provided with a through hole, the friction block penetrates through the through hole to be in friction contact with the corresponding sliding rod, and one side, close to the pull rod, of the friction block is in abutting and buckling contact with the support when the friction block is in a vertical state.

Preferably, the lower side edge of the back plate is hinged to the seat plate, a turbine is fixed to the hinged shaft, a worm is rotatably connected to the bottom of the seat plate in a fixed-shaft mode, and the worm is meshed with the turbine.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the old people sit on the seat board, the inclination angle of the backrest can be adjusted according to the physical conditions of the old people, such as sitting, half lying and flat lying, so that a proper training posture can be conveniently selected according to the physical conditions of the old people, the training risk is reduced, in addition, the adjustment mode is simple and convenient, and the meshing between the worm and the worm has self-locking property under the common condition, so that an additional fixing mechanism is not needed, the structure is simplified, the maintenance is convenient, the feet are bound and connected on the pedal, the connection stability between the feet and the pedal is conveniently kept during the rehabilitation training, the force application is convenient, the training effectiveness is ensured, and the training effect is improved;

according to the invention, the knee joint inflexion is supported through the support wood, the length of the pull rod can be adjusted, so that the knee joint inflexion stone is suitable for old people with different leg length characteristics, the practicability is improved, the adjusting and connecting operation is simple and convenient, the support plate on the pull rod can play a role in stably supporting the shank and the thigh, the problems that the training effect is poor due to weak leg strength of the old people and the leg is injured due to excessive force caused by unstable force application process are avoided, the massage mechanism massages the corresponding leg so as to help leg muscles to rapidly discharge acid, the risk in the training process is reduced, the rapid recovery after leg training is facilitated, and the reaction force of the coil spring exerts an impedance on the pull rod, so that the resistance of the leg of the old people is improved, and the training effect is better improved;

according to the knee bending training device, the speed limiting mechanism on the sliding seat has no resistance effect on the movement of the sliding seat in the knee bending process, and the problem that the training effect is weakened due to weak leg muscle strength of the old due to overlarge resistance of the friction block on the sliding seat is solved, so that the knee bending training effectiveness is ensured.

Drawings

FIG. 1 is a first schematic view of an assembly structure according to the present invention;

FIG. 2 is a second schematic view of the final assembly structure of the present invention;

FIG. 3 is a schematic view of a tie bar structure according to the present invention;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 5 is a schematic view of a cross-sectional structure B-B in FIG. 3;

FIG. 6 is a first schematic sectional view of the speed limiting mechanism according to the present invention;

FIG. 7 is a schematic sectional view of a speed limiting mechanism according to the present invention.

In the figure: 1-bed frame; 2-a slide bar; 3-fixing the seat stand; 4-a seat board; 5-copying; 6-a turbine; 7-a worm; 8-wood supporting; 9-cushion block; 10-a pull rod; 11-a slide; 12-a scaffold; 13-plate; 14-a pedal; 15-binding band; 16-a friction block; 17-a coil spring; 18-through opening; 19-pulling a rope; 20-column casing; 21-screw rod; 22-a pin rod; 23-a pallet; 24-a cylindrical cavity; 25-a rotating shaft; 26-a cam; 27-a take-up reel; 28-hammer stem; 29-bayonet; 30-a fixture block; 31-a first spring; 32-a chute; 33-bolts; 34-spring two; 35-sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a be applied to anti-ageing rehabilitation training equipment of old age legs, which comprises a bedstead 1, be fixed with slide bar 2 on the bedstead 1, the one end of slide bar 2 is fixed with fixed seat platform 3, be fixed with bedplate 4 on the fixed seat platform 3, and be provided with angle regulation's back 5 on the bedplate 4, the other end sliding connection of slide bar 2 has slide 11, be fixed with support 12 on the slide 11, and the upper end of support 12 is fixed with dull and stereotyped 13, it has footboard 14 to articulate on the dull and stereotyped 13, and be fixed with bandage 15 on the footboard 14, be provided with limit mechanism on the slide 11, and speed limiting mechanism can be connected with slide bar 2, be provided with the vaulting pole 8 between fixed seat platform 3 and the slide 11, and the vaulting pole 8 is respectively through two pull rods 10 and fixed seat platform 3, slide 11 is articulated to be connected, pull rod 10 middle part is provided with massage mechanism, and.

In this embodiment, two slide bars 2 are arranged and are parallel to each other on the same horizontal plane, the cross section of the brace 8 is semicircular, the lower surface of the brace 8 is a plane, two cushion blocks 9 corresponding to the slide bars 2 are fixed on the lower surface of the brace 8, a U-shaped bayonet 29 with a downward opening is arranged on the lower surface of each cushion block 9, the bayonet 29 is matched with the corresponding slide bar 2, an arc-shaped fixture block 30 is slidably connected inside the bayonet 29, and the fixture block 30 is connected with the top of the inner side of the bayonet 29 through a first spring 31.

In this embodiment, the pull rod 10 includes a cylindrical shell 20 and two screws 21 with the same structure, threaded holes are provided at two ends of the cylindrical shell 20, and two screws 21 are respectively screwed in the corresponding threaded holes, one end of the screw 21 away from the cylindrical shell 21 is hinged with a pin 22, two pins 22 on one pull rod 10 are respectively hinged with a brace 8 and a fixed seat stand 3, and two pins 22 on the other pull rod 10 are respectively hinged with the brace 8 and a slide 11.

In this embodiment, the massage mechanism includes a cylindrical cavity 24 formed in the cylindrical barrel 20, a rotating shaft 25 is rotatably connected to the cylindrical cavity 24, the rotating shaft 25 is connected to the cylindrical barrel 20 through a coil spring 17, and a winding wheel 27 and a plurality of cams 26 are fixed to the rotating shaft 25.

In this embodiment, the rotating shaft 25 and the column tube 20 share a central axis, a threading hole is formed on the sidewall of the received cylindrical cavity 24, the winding wheel 27 is wound with the pulling rope 19, and one end of the pulling rope 19 passes through the threading hole to be fixedly connected with the middle portion of the bedstead 1.

In this embodiment, the massage mechanism further includes a supporting plate 23, the supporting plate 23 is an arc-shaped plate, the middle of the outer arc surface of the supporting plate 23 is fixed on the upper side of the column casing 20, the bottom of the supporting plate 23 is inserted with a plurality of hammer rods 28 corresponding to the cams 26, the hammer rods 28 penetrate through the side wall of the column casing 20 and can slide relative to the column casing 28, and one end of the hammer rod 28 located inside the column cavity 24 abuts against and contacts with the corresponding cam 26.

In this embodiment, the speed limiting mechanism includes a bolt 33 screwed on the support 12, the bolt 33 is perpendicular to the sliding rod 2, the support 12 is provided with a sliding groove 32, the sliding groove 32 extends vertically upward, the sliding groove 32 is slidably connected with a sliding block 35, the sliding block 35 is connected with the bottom of the bolt 33 through a second spring 33, and the lower surface of the sliding block 35 is hinged with a friction block 16.

In this embodiment, the sliding seat 11 is provided with a through hole 18, the friction block 16 passes through the through hole 18 to be in friction contact with the corresponding sliding rod 2, and one side of the friction block 16, which is close to the pull rod 10 in the vertical state, is in abutting contact with the bracket 12.

In this embodiment, the lower side edge of the back plate 5 is hinged to the seat plate 4, a turbine 6 is fixed at the hinged shaft, a worm 7 is rotatably connected to the bottom of the seat plate 4 in a fixed-shaft manner, and the worm 7 is meshed with the turbine 6.

The use method and the advantages of the invention are as follows: when the rehabilitation training device applied to the anti-aging of the legs and the feet of the old people is used, the rehabilitation training device comprises the following steps:

the method comprises the following steps: the old people who need to carry out leg and foot rehabilitation training sit on the seat plate 4, the partner can be made of flexible materials such as sponge and leather, on one hand, the comfort level can be improved, on the other hand, a larger supporting area can be provided to play a role in protecting the buttocks of the old people when the leg and foot rehabilitation training is carried out, after the old people sit on the seat plate 4, the inclination angle of the backrest can be adjusted according to the physical conditions of the old people, such as sitting, half lying and flat lying, therefore, the proper training posture can be conveniently selected according to the physical conditions of the old people, the training risk is reduced, when the inclination angle of the backrest 5 is adjusted, the worm 7 is rotated, the worm 6 is driven to rotate by the worm 7, then the backrest 5 is driven to rotate around the center of the worm 6 by the rotation of the worm 6, the adjustment of the inclination angle of the backrest 5 is realized, the adjusting mode is simple and convenient, and the meshing between the worm 6 and the worm 7, therefore, an additional fixing mechanism is not needed, the structure is simplified, and the maintenance is convenient;

then the feet of the old are placed on the pedal 14, and the feet of the old and the pedal 14 are fixed together by the binding bands 15, so that the connection between the feet and the pedal 14 is kept stable when rehabilitation training is carried out, force application is facilitated, the training effectiveness is ensured, and the training effect is improved;

wherein, as shown in fig. 1, fig. 2 and fig. 3, when the foot is bound and connected with the pedal 14, the lengths of the pull rods 10 at the left and right sides of the brace 8 are respectively adjusted according to the leg length characteristics of different elderly people, that is, the lengths of the corresponding pull rods 10 are respectively adjusted according to the leg length and thigh length of the elderly people, so that the brace 8 can just support the inner bending part of the knee joint, when adjusting, the screw rods 21 at the two ends of the cylinder 20 are rotated to be retracted or extended in the threaded holes at the end part of the cylinder 20 under the action of the thread transmission, so as to adjust the length of the pull rods 10, thereby being suitable for the elderly people with different leg length characteristics, improving the practicability, and the adjusting operation is simple and convenient, and it should be noted that, in the process of adjusting the length of the pull rod 10, the supporting plate 23 on the cylinder 20 corresponding to the leg position supports the leg calf position, the supporting plate 23 on the column barrel 20 corresponding to the thigh supports the muscle group at the back of the thigh, so that on one hand, the supporting plate 23 can be kept to play a role in stably supporting the thigh and the calf, and the problem that the training effect is poor due to weak leg strength of the old and the leg is damaged due to excessive force application caused by unstable force application process is avoided, and on the other hand, the massage mechanism can massage the corresponding leg conveniently, so that the leg muscle can be rapidly acid-discharged, the risk in the training process can be reduced, and the rapid recovery after the leg training can be facilitated;

step two: after the sitting posture of the old is adjusted and the feet are bound according to the method in the step one, when the feet drive the pedals 14 to approach the fixed seat platform 3, the sliding seat 11 approaches the fixed seat platform 3 along the sliding rod 2 along with the pedals 14, the angle of the pull rods 10 on the two sides of the stay bar 8 is gradually reduced in the process, the stay bar 8 is driven to move upwards in the vertical direction, the knee joints of the legs are supported upwards, the knee joints are assisted to bend, the old is helped to do the knee bending training, in the process that the angle of the pull rods 10 on the two sides of the stay bar 8 is reduced, the pull rope 19 is used for applying force to the winding wheel 27, the winding wheel 27 is used for driving the rotating shaft 25 to rotate, each cam 26 is driven to rotate, the cam 26 rotates to massage the corresponding leg through the pushing hammer rod 28, so as to help the leg muscles to quickly discharge acid, the risk in the training process is reduced, and the quick recovery after the leg training is, the rotation of the rotating shaft 25 generates torsion to the coil spring 17, so that the coil spring is twisted and deformed and obtains a restoring force, wherein the reacting force of the coil spring 17 applies a resistance to the pull rod 10, thereby being beneficial to improving the resistance of the legs of the old and better improving the training effect;

as shown in fig. 7, when the sliding seat 11 approaches the fixed seat 3, that is, when the sliding seat moves to the right in fig. 7, the friction block 16 receives the friction force of the sliding rod 2 to the left, so that the friction block 16 rotates counterclockwise around the upper end of the sliding block 35, and further the friction block 16 has no resistance (the resistance is small and negligible) to the movement of the sliding seat 11, thereby avoiding the problem that the training effect is weakened due to the weak muscle strength of the legs of the elderly due to the too large resistance of the friction block 16 to the sliding seat 11, and ensuring the effectiveness of knee bending training;

step three: when the foot drives the pedal 14 to move away from the fixed seat platform 3, the sliding seat 11 synchronously moves away from the fixed seat platform 3 along the sliding rod 2 along with the pedal 14, the angle of the pull rod 10 at the two sides of the stay bar 8 is gradually increased in the process, the stay bar 8 is driven to move downwards in the vertical direction, the situation that the leg knee joint is hindered from moving downwards is avoided, in the process that the angle of the pull rod 10 at the two sides of the stay bar 8 is increased, the pull rod 10 is reset, force is applied to the winding wheel 27 through the pull rope 19 under the restoring force action of the coil spring 17, so that the winding wheel 27 drives the rotating shaft 25 to rotate reversely, each cam 26 is driven to rotate reversely, the rotation of the cam 26 massages the corresponding leg through the pushing hammer rod 28, the leg muscle is helped to discharge acid quickly, the risk in the training process is helped to be reduced, and the quick;

as shown in fig. 6, when the sliding seat 11 moves away from the fixed seat 3, i.e. moves leftwards in fig. 6, the friction block 16 receives the right friction force of the sliding rod 2, so that the friction block 16 rotates clockwise around the upper end of the sliding block 35, and further the friction block 16 contacts the sliding rod 2, and generates a friction force, thereby reducing the moving speed of the sliding seat 11, and avoiding that the knee joint moves downwards rapidly and is injured by the knee joint due to weak control force caused by weak leg strength when the legs of the elderly stretch straight, thereby reducing the training risk, and the extrusion force of the second spring 34 to the sliding block 35 can be adjusted by rotating the bolt 33, so as to adjust the extrusion force between the friction block 16 and the sliding rod 2, further adjust the resistance when the sliding seat 11 moves rightwards, the operation is simple and convenient, and is suitable for the elderly with different leg strengths, as shown in fig. 4, when the brace 8 moves downwards and resets, the cushion block 9 is driven to synchronously move downwards, the bayonet 29 is just clamped on the corresponding slide bar 2, the fixture block 30 is in contact with the slide bar 2, the fixture block 30 compresses the first spring 3 under the upward reaction force of the slide bar 2, the first spring 31 is stressed and deformed, and a buffering and anti-vibration effect is achieved on the strut 8, so that the leg of the old is buffered and protected, wherein the cushion block 9 is used for enabling the pull rods 10 on two sides of the strut 8 to be not in the same straight line when the strut 8 is at the lowest position, and the phenomenon that the pedal 14 cannot move due to the fact that the two pull rods 10 are in the same straight line to cause a dead point position state is avoided;

constantly carry out the action of step two and step three to the realization is to the training of old person's shank, thereby improves the strength of old person's shank, and improves the functionality, thereby plays anti-ageing effect, and after the training, untie the bandage earlier, take off foot from footboard 14, and from the bedplate 4 from top to bottom moreover can.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.