CN217886901U - Leg rehabilitation training device - Google Patents

Abstract

The utility model discloses a shank rehabilitation training ware, it includes preceding support frame, back group, cushion group, tensile frame, preceding regulation group and back regulation group, and cushion group sets up in the front between support frame and the back support frame, and the back is organized rotatable setting and is in the rear end that the cushion was organized, and back group is connected to the one end of back regulation group, and the back support frame is connected to the other end, the rotatable setting of one end of tensile frame is on the preceding support frame in cushion group the place ahead, preceding regulation group link tensile frame for the turned angle of the relative preceding support frame of control tensile frame. The utility model discloses can carry out the shank lacing wire action and as shank motion rehabilitation ware, the regulation group uses before the tensile frame cooperation, and the muscle crowd that can pull to includes semimembraneous muscle, semitendinosus, biceps femoris muscle and volleyball muscle, consequently helps repairing back muscle strain, the ligament is sprained down, muscle strain and shank muscle strain behind the leg, still possesses the function of traditional dumbbell bench, and collection motion and motion rehabilitation are as an organic whole.

Description

A kind of leg rehabilitation trainer

technical field

The utility model relates to the technical field of fitness equipment, in particular to a leg rehabilitation training device.

Background technique

With the improvement of people's living standards and the acceleration of the pace of life, more and more people begin to use indoor fitness equipment for fitness. Stretching is a very important activity no matter before or after fitness, but many people do not Paying attention to stretching after exercise and warming up before exercise can easily lead to muscle strain.

Dumbbell benches have become more and more popular whether they are used at home or in fitness places. In the existing dumbbell stools, in order to adapt to the use of different groups of people and to facilitate storage, movable connections are often used between the parts, so that the height of the dumbbell stools can be adjusted during use to achieve different training intensities, but the parts of the dumbbell stools There is often a defect that the connection is not firm. After the user exercises for many times, the dumbbell bench will shake, which will make the user feel unsafe, and in severe cases, the equipment will be damaged, especially for the heavier crowd. Its firmness and load-bearing performance are far from enough. Furthermore, existing dumbbell benches are mainly aimed at upper body exercises, and cannot perform leg stretching actions, and when performing dumbbell exercise exercises, the exercise forms generally only have people sitting upright at 90 degrees and lying down, and there are fewer exercise postures. Unable to meet fitness needs. Since the existing dumbbell benches cannot perform stretching exercises, it is necessary to stretch with bare hands outside the dumbbell benches, which is difficult to stretch, or to purchase additional fitness equipment for stretching, resulting in a waste of space and cost, which needs to be improved.

Utility model content

The purpose of the utility model is to provide a leg rehabilitation training device which can not only perform leg stretching exercise, but also adjust the angle of the backrest at multiple angles.

In order to achieve the above object, the solution of the present utility model is:

A leg rehabilitation trainer, which includes a front support frame, a rear support frame, a backrest group, a cushion group, a stretching frame, a front adjustment group and a rear adjustment group, and the seat cushion group is arranged between the front support frame and the rear support frame, The backrest group is rotatably arranged at the rear end of the cushion group, one end of the rear adjustment group is connected to the backrest group, and the other end is connected to the rear support frame, and one end of the stretching frame is rotatably arranged on the front support frame in front of the seat cushion group, The front adjustment group is connected with the stretch frame to control the rotation angle of the stretch frame relative to the front support frame. The center is fixed together with the rotating support rod, and the two ends of the leg support rod are covered with foam.

Further, the cushion group includes a cushion bracket and a cushion, the cushion is fixedly arranged on the top surface of the cushion bracket, the front end of the cushion bracket is connected to the front support frame, and the rear end of the cushion bracket is connected to the rear support frame; the backrest group includes the cushion bracket and the back cushion , the cushion is fixed on the top surface of the cushion support, and one end of the cushion support is rotatably connected to the cushion support.

Further, the front support frame includes a front support bottom bar and a forward tilt bar. The forward tilt bar is inclined relative to the front support bottom bar. The bottom end of the forward tilt bar is fixedly arranged on the front support bottom bar. The front ends of the seat cushion brackets are fixed together; the rear support frame includes a rear support bottom bar and a rear tilt bar, the rear tilt bar is arranged obliquely relative to the rear support bottom bar, and the bottom end of the rear tilt bar is fixedly arranged on the rear support bottom bar. The top of the tilt bar is hinged with the rear end of the cushion bracket of the cushion group.

Further, the cushion bracket and the forward tilt bar are integrally formed together, and the connection between the cushion bracket and the forward tilt bar is an obtuse angle.

Further, the stretching frame also includes a stretching outer rod, a limit hole is provided on the stretching outer rod, and a plurality of adjustment holes are provided on the rotating support rod, and the rotating support rod can be rotated by inserting the adjusting knob into the limit hole and the adjusting hole. Fastened together with stretch outer rod.

Further, the front adjustment group includes an adjustment handle, a handle adjustment shaft, a handle gear, an adjustment gear, an adjustment screw, a screw slider and an adjustment connecting rod. The adjustment handle is arranged on one side of the seat cushion, and one end of the handle adjustment shaft is connected to the adjustment The handles are fixedly connected together, the other end of the handle adjustment shaft is connected with the handle gear, the adjustment gear meshes with the handle gear, the center of one end of the adjustment screw rod is fixed with the center of the adjustment gear, and the other end is arranged on the front support frame. The adjusting screw rod is covered with a screw rod slider that is threadedly matched with the adjusting screw rod, one end of the adjusting connecting rod is connected to the screw rod slider, and the other end of the adjusting connecting rod is connected to the bottom end of the stretching frame; The frame is provided with a rotating shaft above the connecting position of the adjusting link, and the rotating shaft is hinged with the front support frame and is located below the installation position of the adjusting screw rod.

Further, the front adjusting group includes a stretching jack, one end of the stretching jack is fixedly arranged on the stretching frame, and the other end of the stretching jack is fixedly arranged on the front support frame.

Further, the handle adjustment shaft is covered with a thrust ball bearing, and the bottom of the cushion bracket is provided with a connecting plate for adjusting the screw rod, and one end of the adjusting screw rod passes through the connecting plate to connect with the adjusting gear, and the adjusting gear Thrust ball bearings and angular contact ball bearings are provided between the connecting plate.

Further, the two sides of the adjusting screw rod are also provided with linear guide rails, the linear guide rails and the adjusting screw rod are arranged at intervals, each linear guide rail is provided with linear bearings, and the linear guide rails pass through the screw rod sliders and are installed on the seat cushion bracket. connection board.

Further, the rear adjustment group includes a rear adjustment rod and an adjustment sleeve, one end of the adjustment rod is rotatably fixed with the backrest bracket, the other end of the adjustment rod is rotatably fixed on the adjustment sleeve, and the adjustment sleeve The pipe sleeve is set on the back tilt rod, and the adjustment sleeve is provided with a limit hole, and the side of the back tilt rod corresponding to the limit hole of the adjustment sleeve is provided with a plurality of adjustment holes, and the adjustment pin passes through the limit hole and one of the adjustment holes , and fix the adjusting sleeve on the rear tilt bar.

After adopting the above-mentioned structure, a leg rehabilitation training device of the present invention is provided with a stretching frame that can rotate relative to the cushion group in front of the cushion group, and the user can lie on the leg rehabilitation training device of the present invention before or after exercising. Put your feet on the stretching rack, and adjust the angle of the stretching rack relative to the cushion group through the front adjustment group, so as to perform the stretching action of the legs and avoid sports injuries. The rear of the cushion set is equipped with a backrest set that can rotate relative to the cushion set. Through the rear adjustment set, the angle of the backrest set relative to the cushion set can be adjusted. By changing the support angle of the backrest and legs, you can do sit-ups and stretching racks with variable angles. The setting of the utility model can also allow the forward bending body action (holding the stretching frame), in addition, the utility model can also perform all the use actions of the traditional dumbbell bench.

Compared with the prior art, the leg rehabilitation training device of the utility model can not only perform leg stretching, but also perform forward bending, sit-ups with variable angles, etc., and also has the function of a traditional dumbbell bench. Exercising hands and feet or exercising hands and feet at the same time enriches the functions of the leg rehabilitation trainer of the utility model, increases the exercise intensity, and further satisfies the needs of body builders. Due to the function of leg stretching, the utility model leg rehabilitation trainer can also be used as a leg exercise rehabilitation device. The stretching frame is used in conjunction with the front adjustment group. The muscle groups that can be pulled include semimembranosus, semitendinosus, thigh Biceps and excretory muscles, so it helps to repair lower back muscle strain, lower back ligament sprain, hamstring muscle strain and calf muscle strain. It integrates exercise and exercise rehabilitation. leg action.

Description of drawings

Fig. 1 is an exploded view of the utility model.

Fig. 2 is a perspective view 1 of the bench state of the present invention.

Fig. 3 is a perspective view 2 of the bench state of the present invention.

Fig. 4 is a side view of the utility model bench state.

Fig. 5 is the bottom view of the utility model bench state.

Fig. 6 is a perspective view 1 of the stretched state of the legs of the utility model.

Fig. 7 is a perspective view 2 of the stretched state of the legs of the utility model.

Fig. 8 is a side view of the stretched state of the legs of the utility model.

Fig. 9 is a bottom view of the stretched state of the legs of the utility model.

Label description:

Front support frame 10, front support bottom bar 11, forward tilt bar 12, front foot cover 13;

Rear support frame 20, rear support bottom bar 21, rear tilt bar 22, rear foot cover 23, adjustment hole 24;

Backrest group 30, cushion bracket 31, cushion 32;

Cushion group 40, cushion bracket 41, cushion 42, connecting plate 43;

Stretching frame 50, rotating support rod 51, leg support rod 52, foam 53, stretching outer rod 54, adjusting knob 55, plastic bushing 56, rotating shaft 57;

Front adjustment group 60, adjustment handle 61, handle adjustment shaft 62, handle gear 63, adjustment gear 64, adjustment screw rod 65, screw rod slider 66, adjustment connecting rod 67, stretching ejector rod 68, thrust ball bearing 69, angle Contact ball bearing 610, linear guide rail 611, linear bearing 612;

Rear adjustment group 70, adjustment pole 71, adjustment sleeve 72, adjustment bolt 73, plastic bushing 74.

Detailed ways

In order to further explain the technical solution of the utility model, the utility model is described in detail through specific examples below.

As shown in Figures 1 to 9, the utility model discloses a leg rehabilitation training device, which includes a front support frame 10, a rear support frame 20, a backrest group 30, a cushion group 40, a stretching frame 50, and a front adjustment group 60 and the rear adjustment group 70, the cushion group 30 is arranged between the front support frame 10 and the rear support frame 20, the backrest group 30 is rotatably arranged at the rear end of the seat cushion group 30, and one end of the rear adjustment group 70 is connected to the backrest group 30, The other end is connected to the rear support frame 20, and one end of the stretch frame 50 is rotatably arranged on the front support frame 10 in front of the cushion group 40, and the front adjustment group 60 is connected to the stretch frame 50 to control the stretch frame 50 relative to the other end. The angle of rotation of the front support frame 10.

The leg rehabilitation trainer of the utility model is provided with a stretching frame 50 that can rotate relative to the seat cushion group 40 in front of the seat cushion group 40, and the user can lie on the dumbbell bench before or after fitness, and put the feet on the stretching frame 50 Above, adjust the angle of the stretching frame 50 relative to the cushion group 40 through the front adjustment group 60, so as to perform the stretching action of the legs and avoid sports injuries. The rear of the cushion group 40 is provided with a backrest group 30 that can rotate relative to the cushion group 40, and the angle of the backrest group 30 relative to the cushion group 40 can be adjusted through the rear adjustment group 70, thereby assisting the user to complete different dumbbell bodybuilding actions. Compared with the existing dumbbell bench, in addition to the functions of the traditional dumbbell bench, the utility model leg rehabilitation trainer can also carry out leg stretching. When exercising, you can choose to exercise hands and feet or exercise hands and feet at the same time, enriching the The function of the dumbbell bench increases the intensity of exercise, thereby meeting the needs of bodybuilders. Due to the function of leg stretching, the leg rehabilitation trainer of the utility model can also be used as a leg exercise rehabilitation device. The stretching frame 50 is used in conjunction with the front adjustment group 60. The muscle groups that can be pulled include semimembranosus and semitendinosus , biceps femoris and excretory muscle, so it helps to repair lower back muscle strain, lower back ligament sprain, hamstring muscle strain and calf muscle strain. It integrates exercise and sports rehabilitation, and can be used as an assistant when separated Sexual leg lifts.

In this embodiment, the cushion group 40 includes a cushion bracket 41 and a cushion 42, the cushion 42 is fixedly arranged on the top surface of the cushion bracket 41, the front end of the cushion bracket 41 is connected to the front support frame 10, and the rear end of the cushion bracket 41 is connected to the rear support Rack 20.

In this embodiment, the front support frame 10 includes a front support bottom bar 11 and a forward tilt bar 12, the forward tilt bar 12 is inclined relative to the front support bottom bar 11, and the bottom end of the forward tilt bar 12 is fixedly arranged on the front support bottom bar 11. Above, the top of the forward tilt bar 12 is fixed together with the front end of the cushion bracket 41 of the cushion group 40 . In this embodiment, the seat cushion bracket 41 and the forward tilt bar 12 are integrally formed together, and the connection between the seat cushion support 41 and the forward tilt bar 12 is an obtuse angle. In order to avoid noise generated by friction between the front support bottom bar 11 and the floor, front foot covers 13 are also provided at both ends of the front support bottom bar 11 .

In this embodiment, the rear support frame 20 includes a rear support bottom bar 21 and a rear support bottom bar 22, the rear support bottom bar 22 is arranged obliquely relative to the rear support bottom bar 21, and the bottom end of the rear support bottom bar 22 is fixedly arranged on the rear support bottom bar 21, the top of the recoil bar 22 is hinged with the cushion bracket 41 rear end of the cushion group 40. In order to avoid noise generated by friction between the rear support bottom bar 21 and the floor, rear foot covers 23 are also provided at both ends of the rear support bottom bar 21 .

In this embodiment, the backrest set 30 includes a cushion support 31 and a cushion 32 , the cushion 32 is fixed on the top surface of the cushion support 31 , and one end of the cushion support 31 is rotatably connected to the cushion support 31 . Preferably, the back cushion bracket 31 adopts a U-shaped square tube, and the back cushion 32 is supported by the U-shaped square tube, so that the back cushion 32 can be more stable, and there is no need to worry about falling off the dumbbell bench due to its crude structure.

In this embodiment, the stretching frame 50 includes a rotating support rod 51 and at least one leg support rod 52 provided with a vertical rotation support rod 51. The center of the leg support rod 52 is fixed with the rotating support rod 51, and the legs Both ends of the support rod 52 are covered with foam 53, which can improve the comfort of use. In order to meet different users or adapt to different heights, the stretching frame 50 also includes a stretching outer rod 54, which is provided with a limit hole, and the rotating pole 51 is provided with a plurality of adjustment holes. Inserting the limit hole and the adjustment hole can fix the rotating strut 51 and the stretching outer rod 54 together. In order to avoid noise generated by the contact between the rotating support rod 51 and the stretching outer rod 54 , a plastic bushing 56 is provided at the fitting end of the rotating support rod 51 and the stretching outer rod 54 .

In this embodiment, the front adjustment group 60 includes an adjustment handle 61, a handle adjustment shaft 62, a handle gear 63, an adjustment gear 64, an adjustment screw 65, a screw slider 66 and an adjustment connecting rod 67, and the adjustment handle 61 is arranged on One side of the seat cushion 42, one end of the handle adjustment shaft 62 is fixedly connected with the adjustment handle 61, the other end of the handle adjustment shaft 62 is connected with the handle gear 63, the adjustment gear 64 meshes with the handle gear 63, and the adjustment screw 65 The center of one end is fixed with the center of the adjusting gear 65, and the other end is arranged on the front support frame 10. The adjusting screw 65 is provided with a screw slider 66 threaded with the adjusting screw 65, and the screw slider 66 is fixed. Set in a sliding sleeve 661 , one end of the adjusting link 67 is connected to the sliding sleeve 661 , and the other end of the adjusting link 66 is connected to the bottom end of the stretching frame 50 . The stretching frame 50 is provided with a rotating shaft 57 above the connecting position of the adjusting link 66 , the rotating shaft 57 is hinged with the front support frame 10 and is located below the installation position of the adjusting screw rod 65 . When the angle of the stretching frame 50 needs to be adjusted, the adjustment handle 61 is rotated to drive the handle adjustment shaft 62 connected with the adjustment handle 61 and the handle gear 63 to rotate synchronously, the handle gear 63 will drive the adjustment gear 64 meshed with it to rotate, and the adjustment gear 64 When rotating, it drives the adjusting screw mandrel 65 to rotate, so that the screw mandrel slider 66 that is sleeved on the adjusting screw mandrel 65 moves forward along the adjusting screw mandrel 65 to one end of the support frame 10 or toward the adjusting handle 61, so that the screw rod that is connected to the screw mandrel slides The adjusting link 67 on the block 66 pulls down or pushes up the bottom end of the stretching frame 50, and then the stretching frame 50 and the rotating shaft 57 swing up or down to realize the adjustment of the stretching frame 50 angles.

When the adjusting screw 65 rotates, it drives the screw slider 66 to move horizontally, and the horizontal movement of the screw slider 66 drives the sliding sleeve 661 to move horizontally. Therefore, there is no active force transmitted by the sliding sleeve 661 and no reaction force received. It is directly transmitted to the adjusting screw rod 65. In order to guide the active force and reaction force of the sliding sleeve 661, the front adjusting group 60 is also provided with a linear guide rail 611 and a linear bearing 612. The linear guide rail 611 is arranged on both sides of the adjusting screw rod 65. The linear bearing 612 is sleeved on the sliding sleeve 661 , and the linear guide rail 611 passes through the linear bearing 612 and is installed on the connecting plate 43 of the cushion support 41 . The force received by the sliding sleeve 661 is guided by the linear guide rail 611 and the linear bearing 612, so that the sliding sleeve 661 contacts the screw slider 66 only after receiving a horizontal force.

Since the adjustment screw 65 is subjected to a horizontal force, in order to make the screw rotate more smoothly, the handle adjustment shaft 62 is provided with a thrust ball bearing 69 and an angular contact ball bearing 610 between the adjustment handle 61 and the handle gear 62 .

In order to improve the support strength of the stretching frame 50, the front adjustment group 60 also includes a stretching push rod 68, one end of the stretching push rod 68 is connected to the stretching frame 50, and the other end is arranged on the front support frame 10. When stretching, the position lever arm of the leg is relatively large, and the stretching push rod 68 can be set to form a reverse push force, so that the stretching frame 50 has an upward force all the time, and the structure of the stretching push rod 68 can be used Spring structure or other jacking structure. In this embodiment, the stretching push rod 68 is a thrust air pressure rod, one end of the thrust air pressure rod 68 is fixedly arranged on the rotating support rod 51 of the stretching frame 50, and the other end of the thrust air pressure rod is fixedly arranged on the front support frame 10, After the stretching frame 50 is rotated to a required angle, the thrust air bar always pushes the stretching frame 50 to keep the stretching frame 50 at the adjusted position.

In order to save effort for the user to adjust the angle of the stretching frame 50 , the handle adjustment shaft 62 is sleeved with an angular contact ball bearing 610 between the adjustment handle 61 and the handle gear 62 .

In this embodiment, the handle gear 63 and the adjustment gear 64 are both bevel gears, so that the loss of force conversion energy is smaller and the loss of mechanical energy is reduced.

In this embodiment, the rear adjustment group 70 includes a rear adjustment rod 71 and an adjustment sleeve 72. One end of the adjustment rod 71 is rotatably fixed with the backrest bracket 41, and the other end of the adjustment rod 72 is rotatable. It is fixed on the adjusting sleeve 72, and the adjusting sleeve 72 is sleeved on the reclining rod 22. The adjusting sleeve 72 is provided with a limit hole, and the reclining rod 22 is provided with a plurality of limit holes corresponding to the adjusting sleeve 72 The adjustment hole 24 is used to pass the adjustment pin 73 through the limit hole and one of the adjustment holes 24, and the adjustment sleeve 72 is fixed on the reclining bar 22, and the backrest group 40 can be adjusted relative to the rear of the backrest group 40 through the adjustment pin 73 corresponding to different adjustment holes 24. The inclination angle of the tilt bar 22 adopts a stepped adjustment method, so that the stroke between the backrest 42 and the seat cushion 32 is a flat stool or an inclined stool, which is used for incline curls, overhead pushes, etc. In order to avoid the noise generated by the contact between the adjustment sleeve 72 and the adjustment bracket 71 , a plastic bushing 74 is also provided between the adjustment sleeve 72 and the adjustment bracket 71 .

The above-mentioned embodiments and illustrations do not limit the product form and style of the present utility model, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present utility model.

Claims (10)

1. A kind of leg rehabilitation trainer, it comprises front support frame, rear support frame, backrest group, cushion group, stretching frame, front adjustment group and rear adjustment group, and seat cushion group is arranged on front support frame and rear support frame Between them, the backrest group is rotatably arranged at the rear end of the cushion group, one end of the rear adjustment group is connected to the backrest group, and the other end is connected to the rear support frame, and one end of the stretching frame is rotatably arranged on the front support frame in front of the seat cushion group On the top, the front adjustment group is connected to the stretching frame to control the rotation angle of the stretching frame relative to the front support frame. The center of the rod is fixed together with the rotating strut, the rotating strut is connected to the front adjustment group, and the leg support rod is covered with foam. 2. a kind of leg rehabilitation trainer as claimed in claim 1, is characterized in that: described cushion group comprises cushion support and cushion, and cushion is fixedly arranged on the top surface of cushion support, and the front end of cushion support connects front support frame, The rear end of the cushion support is connected to the rear support frame; the backrest group includes a cushion support and a back cushion, the back cushion is fixed on the top surface of the cushion support, and one end of the cushion support is rotatably connected to the cushion support. 3. A kind of leg rehabilitation training device as claimed in claim 2, characterized in that: said front support frame comprises a front support bottom bar and a forward tilt bar, and the forward tilt bar is inclined relative to the front support bottom bar, and the front tilt bar The bottom end is fixedly arranged on the front support bottom bar, and the top of the forward tilt bar is fixed with the front end of the cushion bracket of the cushion group; the rear support frame includes a rear support bottom bar and a rear support bar, and the rear support bar is opposite to the rear support bottom bar. Inclined setting, the bottom end of the reclining rod is fixedly arranged on the rear support bottom bar, and the top of the reclining rod is hinged together with the cushion support rear end of the cushion group. 4. A leg rehabilitation training device as claimed in claim 3, characterized in that: the seat cushion support and the forward tilt bar are integrally formed together, and the connection between the seat cushion support and the forward tilt bar is an obtuse angle. 5. A kind of leg rehabilitation training device as claimed in claim 1, characterized in that: said stretching frame also includes a stretching outer rod, and the stretching outer rod is provided with a limit hole, and the rotating pole is provided with multiple An adjustment hole is inserted into the limit hole and the adjustment hole through the adjustment knob to fix the rotating support rod and the stretching outer rod together. 6. A kind of leg rehabilitation training device as claimed in claim 2, characterized in that: said front adjustment group comprises adjustment handle, handle adjustment shaft, handle gear, adjustment gear, adjustment screw rod, screw rod slider and adjustment Connecting rod, the adjustment handle is set on one side of the seat cushion, one end of the handle adjustment shaft is fixedly connected with the adjustment handle, the other end of the handle adjustment shaft is connected with the handle gear, the adjustment gear meshes with the handle gear, and one end of the adjustment screw rod The center and the center of the adjusting gear are fixed together, and the other end is arranged on the front support frame, and the adjusting screw rod is covered with a screw rod slider which is threadedly matched with the adjusting screw rod, and one end of the adjusting connecting rod is connected to the screw rod slider , the other end of the adjusting link is connected to the bottom end of the stretching frame; the stretching frame is provided with a rotating shaft above the connection position of the adjusting connecting rod, and the rotating shaft is hinged with the front support frame and is located at the installation position of the adjusting screw rod. position below. 7. A kind of leg rehabilitation training device as claimed in claim 1, characterized in that: said front adjustment group comprises a stretching push rod, and one end of the stretching push rod is fixedly arranged on the stretching rack, and the stretching push rod The other end is fixedly arranged on the front support frame. 8. A leg rehabilitation training device as claimed in claim 6, characterized in that: the handle adjustment shaft is sleeved with a thrust ball bearing, and the bottom of the cushion bracket is provided with a connecting plate for installation of the adjustment screw rod , one end of the adjusting screw goes through the connecting plate and is connected to the adjusting gear, and a thrust ball bearing and an angular contact ball bearing are arranged between the adjusting gear and the connecting plate. 9. A kind of leg rehabilitation trainer as claimed in claim 8, characterized in that: both sides of the adjusting screw rod are also provided with linear guide rails, the linear guide rails and the adjusting screw rods are arranged at intervals, and each linear guide rail is provided with A linear bearing, a linear guide rail passes through the screw slide block and is installed on the connecting plate of the cushion support. 10. A leg rehabilitation training device as claimed in claim 3, characterized in that: the rear adjustment group includes a rear adjustment strut and an adjustment sleeve, and one end of the adjustment strut is rotatably fixed to the backrest bracket , the other end of the adjustment rod is rotatably fixed on the adjustment sleeve, the adjustment sleeve is set on the back tilt rod, the adjustment sleeve is provided with a limit hole, and the back tilt rod corresponds to the side of the limit hole of the adjustment sleeve A plurality of adjustment holes are provided, and the adjustment pin passes through the limit hole and one of the adjustment holes to fix the adjustment sleeve on the rear tilt bar.

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