Lower limb strength body builder with protection function

Abstract

According to the lower limb strength body builder with the protection function, a person can be lifted to the height horizontal to a synchronous belt through a lifting mechanism, the lower limb strength body builder is very friendly to people with disabled legs and feet, the height of a top handrail can be adaptively adjusted through a lifting installation rod according to the use difference, and the lower limb strength body builder is very convenient to use. According to the treadmill, trainees with different heights can be effectively protected through the adjustable mounting mechanism and the inner side auxiliary protection mechanism, and compared with a traditional treadmill, the treadmill has the advantage that rehabilitation trainees with insufficient lower limb strength can be better protected.

Description

Technical Field

[0001] The utility model relates to the field of rehabilitation instruments, in particular to a lower limb strength fitness device with a protection function. Background Art

[0002] The training for lower limb strength is generally divided into fitness training and rehabilitation training. For fitness training, usually the trainers have strong physical fitness, and the special equipment used in the training process generally does not require special protection. For rehabilitation training, it is not easy to directly carry out weight-bearing strength training. Usually, it is a gentle strength recovery training. A treadmill is a good choice, but it lacks protection. The lower limbs of the trainers in the rehabilitation process are weak and prone to fall due to physical exhaustion during the strength recovery training. The lack of protection will cause greater harm.

[0003] In view of the above problems, this application proposes a lower limb strength fitness device with a protection function to provide protection for users undergoing strength recovery training. Content of the Utility Model

[0004] In view of the problems existing in the prior art, the utility model discloses a lower limb strength fitness device with a protection function. The technical solution adopted is that it includes a chassis, a transverse mounting frame, a synchronous belt pulley, a middle support roller, a synchronous belt, a left mounting frame, a lifting mechanism, a liftable mounting rod, a top handrail, a U-shaped fixing rod, an adjustable mounting mechanism and an inner auxiliary protection mechanism. A transverse mounting frame is fixed between the chassis. Two ends of the inner side of the chassis are rotatably installed with rollers. A middle support roller is rotatably installed between the front and rear transverse mounting frames. The synchronous belt is installed through the synchronous belt pulley. The synchronous belt pulley is rotatably installed through a shaft body, and a friction layer is provided between the synchronous belt pulley and the shaft body so that the synchronous belt has a certain resistance when rotating. During the training process, the trainer stands on the synchronous belt and conducts lower limb strength rehabilitation training by walking. This training method is relatively gentle. It relies on the friction between the soles of the feet and the synchronous belt when walking by oneself to drive the synchronous belt to rotate for training. The horizontal part is supported by the middle support roller. A left mounting frame is fixed on the left side of the chassis. A lifting mechanism is arranged in the left mounting frame. The lifting mechanism can lift a person to a height level with the synchronous belt, which is very friendly to people with inconvenient legs and feet. A liftable mounting rod is integrally formed on the chassis. The liftable mounting rod is located on the front and rear sides of the synchronous belt, and its top is fixed with a top handrail. The height of the top handrail can be adaptively adjusted according to different users through the liftable mounting rod. A U-shaped fixing rod is fixed on the outer side of the fixed part of the liftable mounting rod. An adjustable mounting mechanism is arranged at the U-shaped fixing rod, and the inner auxiliary protection mechanism is installed through the adjustable mounting mechanism. Compared with the traditional treadmill, it can better protect the rehabilitation training personnel with insufficient lower limb strength.

[0005] As a preferred technical solution of the present utility model, the lifting mechanism includes a vertical installation groove, a fixed shaft, a lifting lead screw, a lead screw motor, a lifting installation frame, and a support plate. Vertical installation grooves are formed through the four vertical rod bodies of the left installation frame. Fixed shafts are fixed in three of the vertical installation grooves, and the lifting lead screw is rotatably installed in one vertical installation groove. The lifting lead screw is driven by the lead screw motor. The protruding parts at the four corners of the lifting installation frame are respectively sleeved on the fixed shafts and cooperate with the lifting lead screw. The support plate is fixedly installed on the lifting installation frame through a connecting shaft. The lead screw motor is powered by a storage battery. By starting the lead screw motor, the lifting installation frame can lift the support plate, enabling a person standing on the support plate to easily reach the same height as the upper surface of the synchronous belt.

[0006] As a preferred technical solution of the present utility model, the liftable installation rod is a telescopic rod body. A plurality of positioning holes are formed on the front side of the extended rod body, and positioning screws are installed in cooperation with the fixed rod body. The positioning screws are screwed into the positioning holes to lock the state of the liftable installation rod.

[0007] As a preferred technical solution of the present utility model, the adjustable installation mechanism includes a U-shaped installation frame, a mating stud, a stud knob, a top fixed shaft, a limiting plate, a spring, a sleeved rod, an inner installation rod, and an inner auxiliary protection mechanism. Two through grooves are formed in the vertical direction of the U-shaped fixed rod. The vertical part of the U-shaped installation frame passes through the through grooves. The mating stud is rotatably installed on the lower surface of the U-shaped fixed rod and is driven by the stud knob. The mating stud is installed in cooperation with the horizontal part of the U-shaped installation frame. By rotating the mating stud driven by the stud knob, the height of the U-shaped installation frame can be adjusted. The top fixed shaft is fixed to the top of the vertical part of the U-shaped installation frame, and the limiting plate is fixed to the top of the top fixed shaft. A spring is fixed to the top of the vertical part of the U-shaped installation frame and is sleeved outside the top fixed shaft as a whole. The sleeved rod is movably sleeved on the two top fixed shafts, and its bottom surface is fixedly connected to the spring. Two inner installation rods are integrally formed inside the sleeved rod, and an inner auxiliary protection mechanism is arranged on the inner installation rods. By adjusting the height of the U-shaped installation frame, the inner auxiliary protection mechanism can effectively protect trainers of different heights. The spring arranged at the top of the U-shaped installation frame can provide buffering when protecting in case a trainer is about to fall.

[0008] As a preferred technical solution of the present utility model, the inner auxiliary protection mechanism includes a rotating plate, a protection ring and a horizontal limiting insertion plate. A shaft body is fixed between two inner mounting rods. The rotating plate is rotationally sleeved on the shaft body. Through slots are opened in the left-right direction below the shaft body between the two inner mounting rods. The horizontal limiting insertion plate sequentially passes through the two slots, and its upper surface contacts the bottom surface of the rotating plate to limit the downward rotation of the rotating plate. An arc-shaped protection ring is fixed inside the rotating plate, and a layer of silica gel material is coated inside the protection ring. When the horizontal limiting insertion plate is not inserted, the rotating plate and the protection ring will droop vertically under their own gravity. When using the protection, manually adjust it to the horizontal and insert the horizontal limiting insertion plate to limit the rotating plate, and it cannot rotate downward.

[0009] The beneficial effects of the present utility model are as follows: By setting up the lifting mechanism, people can be lifted to the height level with the synchronous belt, which is very friendly to people with inconvenient legs and feet. Through the adjustable mounting rod, the height of the top armrest can be adaptively adjusted according to different users. Through the adjustable mounting mechanism and the inner auxiliary protection mechanism, effective protection can be provided for trainers of different heights. Compared with the traditional treadmill, it can better protect the rehabilitation training personnel with insufficient lower limb strength itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a schematic left-side structural diagram of the present utility model;

[0012] Figure 3 is a schematic bottom-view structural diagram of the present utility model.

[0013] In the figure: chassis 1, transverse mounting frame 2, synchronous belt pulley 3, middle support roller 4, synchronous belt 5, left mounting frame 6, vertical mounting groove 7, fixed shaft 8, lifting lead screw 9, lead screw motor 10, lifting mounting frame 11, support plate 12, adjustable mounting rod 131, top armrest 13, positioning hole 14, positioning screw 15, U-shaped fixing rod 16, U-shaped mounting frame 17, mating stud 18, stud knob 19, top fixed shaft 20, limiting plate 21, spring 22, sleeved rod 23, inner mounting rod 24, rotating plate 25, protection ring 26, horizontal limiting insertion plate 27. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] Embodiment 1

[0015] As Figures 1 to 3As shown in the figure, the utility model discloses a lower limb strength fitness device with a protection function. The adopted technical solution is as follows: it includes a chassis 1, a horizontally installed frame 2, a synchronous belt pulley 3, a middle support roller 4, a synchronous belt 5, a left installed frame 6, a lifting mechanism, a liftable installation rod 131, a top handrail 13, a U-shaped fixing rod 16, an adjustable installation mechanism and an inner side auxiliary protection mechanism. A horizontally installed frame 2 is fixed between the chassis 1. Both ends of the roller 3 are rotatably installed inside the chassis 1. A middle support roller 4 is rotatably installed between the front and rear horizontally installed frames 2. The synchronous belt 5 is installed through the synchronous belt pulley 3, and the horizontal part is supported by the middle support roller 4. A left installed frame 6 is fixed on the left side of the chassis 1. A lifting mechanism is arranged in the left installed frame 6. A liftable installation rod 131 is integrally formed on the chassis 1. The liftable installation rod 131 is located on the front and rear sides of the synchronous belt 5, and its top is fixed with a top handrail 13. The outer side of the fixed part of the liftable installation rod 131 is fixed with a U-shaped fixing rod 16. An adjustable installation mechanism is arranged at the U-shaped fixing rod 16, and the inner side auxiliary protection mechanism is installed through the adjustable installation mechanism.

[0016] As a preferred technical solution of the utility model, the lifting mechanism can help people with inconvenient legs and feet to get onto the synchronous belt. Its specific structure includes a vertical installation groove 7, a fixed shaft 8, a lifting lead screw 9, a lead screw motor 10, a lifting installation frame 11 and a support plate 12. Through holes of vertical installation grooves 7 are opened on the four vertical rod bodies of the left installed frame 6. A fixed shaft 8 is fixed in three of the vertical installation grooves 7. A lifting lead screw 9 is rotatably installed in one of the vertical installation grooves 7. The lifting lead screw 9 is driven by the lead screw motor 10. The protruding parts at the four corners of the lifting installation frame 11 are respectively sleeved on the fixed shaft 8 and are installed in cooperation with the lifting lead screw 9. A support plate 12 is fixedly installed on the lifting installation frame 11 through a connecting shaft. The lead screw motor 10 is powered by a storage battery.

[0017] As a preferred technical solution of the utility model, the liftable installation rod 131 is a telescopic rod body. A plurality of positioning holes 14 are opened on the front side of the extended rod body. A positioning screw 15 is installed in cooperation with the fixed rod body. The positioning screw 15 is screwed into the positioning hole 14 to lock the state of the liftable installation rod 131, and the height of the top handrail can be adjusted according to actual needs.

[0018] As a preferred technical solution of the present utility model, the specific setting manner of the adjustable mounting mechanism is that two through slots are opened in the vertical direction of the U-shaped fixing rod 16, the vertical part of the U-shaped mounting frame 17 passes through the through slots, and the lower surface of the U-shaped fixing rod 16 is rotatably mounted with a mating stud 18, which is driven by a stud knob 19. The mating stud 18 is cooperatively mounted with the horizontal part of the U-shaped mounting frame 17. A top fixing shaft 20 is fixed at the top of the vertical part of the U-shaped mounting frame 17, a limiting plate 21 is fixed at the top of the top fixing shaft 20, and a spring 22 is fixed at the top of the vertical part of the U-shaped mounting frame 17. The spring 22 is integrally sleeved outside the top fixing shaft 20. A sleeve rod 23 is movably sleeved with two top fixing shafts 20, and the bottom surface of the sleeve rod 23 is fixedly connected with the spring 22. Two inner mounting rods 24 are integrally formed on the inner side of the sleeve rod 23, and an inner side auxiliary protection mechanism is arranged on the inner mounting rods 24.

[0019] As a preferred technical solution of the present utility model, the inner side auxiliary protection mechanism is that a shaft body is fixed between the two inner mounting rods 24, a rotating plate 25 is rotatably sleeved with the shaft body, through slots are opened in the left-right direction of the two inner mounting rods 24 below the shaft body, a horizontal limiting insertion plate 27 sequentially passes through the two slots, and the upper surface of the horizontal limiting insertion plate 27 contacts the bottom surface of the rotating plate 25 to limit the downward rotation of the rotating plate 25. An arc-shaped protection ring 26 is fixed on the inner side of the rotating plate 25, and a layer of silica gel material is coated on the inner side of the protection ring 26.

[0020] The working principle of the present utility model: When in use, for a person with inconvenient legs and feet, they can stand on the support plate. By starting the lead screw motor 10 to drive the lifting lead screw 9 to rotate, the left mounting frame 6 is lifted to drive the support plate 12 to be lifted to reach the height level with the synchronous belt. The trainer stands on the synchronous belt and performs lower limb strength rehabilitation training by walking. This training method is relatively gentle. Relying on the friction between the sole of the foot and the synchronous belt when walking by oneself to drive the synchronous belt to rotate for training. According to the height of the user, the height of the liftable mounting rod 131 is adjusted in advance, and the height of the U-shaped mounting frame 17 is also adjusted by rotating the stud knob 19, so that the protection ring 26 can be at an effective protection height.

[0021] The components not detailed in this article are prior art.

[0022] Although the specific embodiments of the present utility model are described in detail above, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present utility model, and the modifications or deformations without creative labor are still within the protection scope of the present utility model.

Claims

1. A lower limb strength fitness device with a protective function, characterized in that: It includes a chassis (1), a lateral mounting frame (2), a synchronous belt pulley (3), a middle support roller (4), a synchronous belt (5), a left mounting frame (6), a lifting mechanism, a liftable mounting rod (131), a top handrail (13), a U-shaped fixing rod (16), an adjustable mounting mechanism, and an inner auxiliary protection mechanism; a lateral mounting frame (2) is fixed between the chassis (1), two end rollers (3) are rotatably mounted inside the chassis (1), a middle support roller (4) is rotatably mounted between the front and rear lateral mounting frames (2), the synchronous belt (5) is installed through the synchronous belt pulley (3), and the horizontal part is supported by the middle support roller (4); a left mounting frame (6) is fixed on the left side of the chassis (1); a lifting mechanism is arranged in the left mounting frame (6); a liftable mounting rod (131) is integrally formed on the chassis (1), the liftable mounting rod (131) is located on the front and rear sides of the synchronous belt (5), and its top is fixed with a top handrail (13); a U-shaped fixing rod (16) is fixed on the outer side of the fixed part of the liftable mounting rod (131), and an adjustable mounting mechanism is arranged at the U-shaped fixing rod (16), and the inner auxiliary protection mechanism is installed through the adjustable mounting mechanism.

2. The lower limb strength fitness device with a protection function according to claim 1, characterized in that: The lifting mechanism includes a vertical installation groove (7), a fixed shaft (8), a lifting lead screw (9), a lead screw motor (10), a lifting mounting frame (11), and a support plate (12); vertical installation grooves (7) are opened through the four vertical rods of the left mounting frame (6), a fixed shaft (8) is fixed in three of the vertical installation grooves (7), and a lifting lead screw (9) is rotatably mounted in one of the vertical installation grooves (7); the lifting lead screw (9) is driven by the lead screw motor (10); the protruding parts at the four corners of the lifting mounting frame (11) are respectively sleeved with the fixed shaft (8) movably and are installed in cooperation with the lifting lead screw (9); a support plate (12) is fixedly installed on the lifting mounting frame (11) through a connecting shaft.

3. The lower limb strength fitness device with a protection function according to claim 2, characterized in that: The lead screw motor (10) is powered by a storage battery.

4. A lower limb strength fitness device with a protection function according to claim 1, characterized in that: The liftable mounting rod (131) is a telescopic rod body, a plurality of positioning holes (14) are opened on the front side of the extended rod body, a positioning screw (15) is installed in cooperation with the fixed rod body, and the positioning screw (15) is screwed into the positioning hole (14) to lock the state of the liftable mounting rod (131).

5. A lower limb strength fitness device with a protection function according to claim 1, characterized in that: The adjustable mounting mechanism includes a U-shaped mounting frame (17), a mating stud (18), a stud knob (19), a top fixed shaft (20), a limiting plate (21), a spring (22), a sleeved rod (23), an inner mounting rod (24) and an inner auxiliary protection mechanism; two through grooves are formed in the vertical direction of the U-shaped fixed rod (16), and the vertical part of the U-shaped mounting frame (17) passes through the through grooves; the mating stud (18) is rotatably mounted on the lower surface of the U-shaped fixed rod (16) and is driven by the stud knob (19); the mating stud (18) is cooperatively mounted with the horizontal part of the U-shaped mounting frame (17); the top fixed shaft (20) is fixed to the top of the vertical part of the U-shaped mounting frame (17), and the limiting plate (21) is fixed to the top of the top fixed shaft (20); the spring (22) is fixed to the top of the vertical part of the U-shaped mounting frame (17) and is integrally sleeved outside the top fixed shaft (20); the sleeved rod (23) is movably sleeved with two top fixed shafts (20), and its bottom surface is fixedly connected with the spring (22); two inner mounting rods (24) are integrally formed on the inner side of the sleeved rod (23), and the inner auxiliary protection mechanism is arranged on the inner mounting rod (24).

6. The lower limb strength fitness device with a protection function according to claim 5, wherein: The inner auxiliary protection mechanism includes a rotating plate (25), a protection ring (26) and a horizontal limiting insertion plate (27); a shaft body is fixed between the two inner mounting rods (24), and the rotating plate (25) is rotatably sleeved with the shaft body; through grooves are formed in the left and right directions of the two inner mounting rods (24) below the shaft body, and the horizontal limiting insertion plate (27) sequentially passes through the two through grooves, and its upper surface contacts the bottom surface of the rotating plate (25) to limit the downward rotation of the rotating plate (25); an arc-shaped protection ring (26) is fixed to the inner side of the rotating plate (25), and a layer of silica gel material is coated on the inner side of the protection ring (26).

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