A leg exercise device for geriatric care

Abstract

This utility model relates to the field of exercise device technology, specifically a leg exercise device for elderly care. It includes a main frame and symmetrically connected support rods at the lower end of the main frame. Foot pedal mechanisms are provided on both side walls of the main frame. Each foot pedal mechanism includes a support column, which is fixedly connected to the side wall of the main frame. An L-shaped tube is slidably mounted on the outer wall of the support column. The distance between the two foot pedals is easily adjustable and fixed. Elderly people with short legs, limited hip joint mobility, thick legs, or swollen legs can all use the device appropriately by adjusting the distance between the two foot pedals, avoiding any impact on the leg exercise effect. The angle of the two foot pedals can also be adjusted and fixed clockwise or counterclockwise, allowing elderly people with different foot shapes to use the device appropriately by adjusting the angle of the two foot pedals, avoiding any impact on the leg exercise effect.

Description

Technical Field

[0001] This utility model relates to the field of exercise device technology, specifically a leg exercise device for elderly care. Background Technology

[0002] In elderly care, leg exercises are a very important part. As people age, they naturally lose muscle mass, and the leg muscles are the largest muscle group in the human body. If they do not exercise, their muscle strength will decline rapidly, leading to weakness in walking and difficulty climbing stairs.

[0003] Among the many exercise equipment options, there is the rehabilitation pedal machine. The rehabilitation pedal machine mainly consists of a main frame, two support rods, and two foot pedals that rotate on the main frame. During exercise, the two support rods under the main frame are placed on the ground, and then the elderly sit on a sofa or chair and use their feet to alternately pedal. Through repetitive flexion and extension movements, the leg muscles contract and relax, thereby achieving the purpose of exercising leg strength, activating the knee and ankle joints, and promoting blood circulation in the lower limbs. Moreover, this pedaling action is a low-intensity, low-impact aerobic exercise, which is suitable for the elderly to perform safely while seated.

[0004] However, existing rehabilitation pedal machines do not allow for easy adjustment of the distance between the two pedals or the angle between them. If the distance between the pedals is fixed too wide, elderly people with short legs or limited hip joint mobility will be forced to "turn their legs outward." If the distance is too narrow, elderly people with thick legs or swollen legs will feel uncomfortable due to the compression of their legs, and may even be unable to place their feet properly. A fixed angle may result in poor contact between the sole of the foot and the pedal (such as for those with high insteps or limited ankle mobility), causing the sole of the foot to slip easily when pedaling, requiring extra force to maintain the posture, thus affecting the leg exercise effect. Utility Model Content

[0005] The purpose of this invention is to provide a leg exercise device for elderly care, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a leg exercise device for elderly care, comprising a main frame and support rods symmetrically connected to the lower end of the main frame, wherein foot pedal mechanisms are provided on both sides of the main frame;

[0007] The foot pedal mechanism includes a support column, which is fixedly connected to the side wall of the main frame. An L-shaped tube is slidably disposed on the outer wall of the support column. An adjustment mechanism is provided between the L-shaped tube and the support column. A convex block is fixedly connected to the end of the L-shaped tube away from the main frame. U-shaped blocks are symmetrically fixedly connected to the side wall of the convex block away from the L-shaped tube. A rotating shaft is rotatably connected between the two U-shaped blocks. A U-shaped block is fixedly sleeved on the outer wall of the rotating shaft. An angle adjustment mechanism is provided between the U-shaped block and one of the U-shaped blocks. A foot pedal is fixedly connected to the end of the U-shaped block away from the convex block.

[0008] Preferably, the inner wall of the L-shaped tube is provided with a cylindrical groove near the main frame, the cylindrical groove is slidably engaged with the support column, the groove wall of the cylindrical groove is provided with a square groove, and the outer wall of the support column is fixedly connected with a limiting block, the square groove is slidably engaged with the limiting block.

[0009] Preferably, the length adjustment mechanism includes multiple threaded holes, which are linearly arrayed on the upper end of the limiting block. A screw is internally threaded into the threaded hole closest to the main frame. A slot is formed on the outer wall of the L-shaped tube near the main frame, and the slot and the screw are in sliding engagement.

[0010] Preferably, the angle adjustment mechanism includes a cylindrical shell and multiple limiting holes. The cylindrical shell is fixedly connected to the U-shaped wall of one of the U-shaped blocks. A limiting rod is slidably inserted at the end of the cylindrical shell away from the U-shaped block. The limiting rod moves through the U-shaped block. Multiple limiting holes are arranged in a ring array on the U-shaped wall of the U-shaped block. One of the limiting holes is slidably engaged with the limiting rod. An elastic mechanism is provided between the limiting rod and the cylindrical shell.

[0011] Preferably, the elastic mechanism includes a ring, which is fixedly sleeved on the outer wall of the limiting rod near the U-shaped block. The outer ring surface of the ring slides against the inner wall of the cylindrical shell. A spring is fixedly connected between the ring and the cylindrical shell, and the spring slides on the outer wall of the limiting rod.

[0012] Preferably, the upper surface of the foot pedal is made of rubber material.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. Through the cooperation of the foot pedal mechanism, length adjustment mechanism and angle adjustment mechanism, the distance between the two foot pedals in this rehabilitation foot pedal machine can be easily adjusted and fixed. Elderly people with short legs or limited hip joint mobility, or those with thick legs or leg swelling, can use it appropriately by adjusting the distance between the two foot pedals to avoid affecting the leg exercise effect.

[0015] 2. In this rehabilitation foot pedal machine, the angle of the two foot pedals can be adjusted and fixed clockwise or counterclockwise. Elderly people with different foot shapes can use it appropriately by adjusting the angle of the two foot pedals to avoid affecting the leg exercise effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a view showing another perspective of the present invention;

[0018] Figure 3 This utility model Figure 2 Enlarged view of the structure at point A in the image;

[0019] Figure 4 This is a partial sectional view of the cylindrical shell of this utility model;

[0020] Figure 5 This is a partial structural diagram of the rotating shaft and the limiting hole of this utility model;

[0021] Figure 6 This is a partial cross-sectional view of the L-shaped tube of this utility model;

[0022] Figure 7 This is a cross-sectional view of the L-shaped tube of this utility model, as well as a diagram showing the holes, square grooves, and cylindrical grooves.

[0023] The components represented by each number in the attached diagram are listed below: 1. Main frame; 2. Support rod; 3. Foot pedal; 4. U-shaped block; 5. L-shaped tube; 6. Screw; 7. Convex block; 8. Limiting rod; 9. U-shaped block; 10. Cylindrical shell; 11. Ring; 12. Spring; 13. Shaft; 14. Limiting hole; 15. Limiting block; 16. Threaded hole; 17. Hole groove; 18. Square groove; 19. Cylindrical groove; 20. Support column. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides a technical solution: such as Figure 1 - Figure 7 The leg exercise device for elderly care shown includes a main frame 1 and support rods 2 symmetrically connected to the lower end of the main frame 1. Foot pedal mechanisms are provided on both sides of the main frame 1.

[0026] The foot pedal mechanism includes a support column 20, which is fixedly connected to the side wall of the main frame 1. An L-shaped tube 5 is slidably arranged on the outer wall of the support column 20. An adjustment mechanism is provided between the L-shaped tube 5 and the support column 20. A convex block 7 is fixedly connected to the end of the L-shaped tube 5 away from the main frame 1. U-shaped blocks 4 are symmetrically fixedly connected to the side wall of the convex block 7 away from the L-shaped tube 5. A rotating shaft 13 is rotatably connected between the two U-shaped blocks 4. A U-shaped block 9 is fixedly sleeved on the outer wall of the rotating shaft 13. An angle adjustment mechanism is provided between the U-shaped block 9 and one of the U-shaped blocks 4. A foot pedal 3 is fixedly connected to the end of the U-shaped block 9 away from the convex block 7.

[0027] The inner wall of the L-shaped tube 5 is provided with a cylindrical groove 19 near the main frame 1. The cylindrical groove 19 and the support column 20 are slidably fitted. A square groove 18 is provided on the groove wall of the cylindrical groove 19. A limit block 15 is fixedly connected to the outer wall of the support column 20. The square groove 18 and the limit block 15 are slidably fitted.

[0028] The length adjustment mechanism includes multiple threaded holes 16, which are linearly arrayed on the upper end of the limiting block 15. The threaded hole 16 closest to the main frame 1 is internally threaded with a screw 6. The outer wall of the L-shaped tube 5 is provided with a slot 17 near the main frame 1, and the slot 17 and the screw 6 are in sliding fit.

[0029] The angle adjustment mechanism includes a cylindrical shell 10 and multiple limiting holes 14. The cylindrical shell 10 is fixedly connected to the U-shaped wall of one of the U-shaped blocks 4. A limiting rod 8 is slidably inserted at the end of the cylindrical shell 10 away from the U-shaped block 4. The limiting rod 8 is movably inserted through the U-shaped block 4. Multiple limiting holes 14 are arranged in a ring array on the U-shaped wall of the U-shaped block 9. One of the limiting holes 14 is slidably engaged with the limiting rod 8. An elastic mechanism is provided between the limiting rod 8 and the cylindrical shell 10.

[0030] The elastic mechanism includes a ring 11, which is fixedly sleeved on the outer wall of the limiting rod 8 near the U-shaped block 4. The outer ring surface of the ring 11 slides against the inner wall of the cylindrical shell 10. A spring 12 is fixedly connected between the ring 11 and the cylindrical shell 10, and the spring 12 slides on the outer wall of the limiting rod 8.

[0031] The upper surface of the foot pedal 3 is made of rubber material; specifically, the upper surface of the foot pedal 3 has an anti-slip effect.

[0032] Working principle: When elderly people are exercising their legs, if they need to adjust the distance between the two foot pedals 3, they can rotate a screw 6 upwards until the screw 6 leaves the corresponding threaded hole 16. At this time, the L-shaped tube 5 can be slid outwards. The cylindrical groove 19 inside the L-shaped tube 5 will slide and engage with the support column 20, and the square groove 18 inside the cylindrical groove 19 will slide and engage with the limiting block 15. After the hole groove 17 on the L-shaped tube 5 corresponds to the threaded hole 16 in other positions, the screw 6 is rotated downwards to tighten it into the threaded hole 16 at this time, thus fixing the L-shaped tube 5. The other L-shaped tube 5 is adjusted in the same way. Because the L-shaped tube 5 can also drive the foot pedal 3 to move when it moves, it is convenient to adjust the distance between the two foot pedals 3.

[0033] When the angle of the two foot pedals 3 needs to be adjusted, pull a limiting rod 8 outward. The limiting rod 8 will slide outward within the cylindrical shell 10 and the U-shaped block 4. The limiting rod 8 will also drive the ring 11 to compress the spring 12 until the limiting rod 8 leaves the corresponding limiting hole 14. At this time, one foot pedal 3 can be rotated clockwise or counterclockwise. The foot pedal 3 will drive the U-shaped block 9 to rotate between the two U-shaped blocks 4. The U-shaped block 9 will also drive multiple limiting holes 14 to rotate together until the other limiting holes 14 can correspond to the limiting rod 8. When the limiting rod 8 is released, under the reaction force of the spring 12, the limiting rod 8 can be quickly inserted into the limiting hole 14 at this time, which can fix the U-shaped block 9 and the foot pedal 3, thus realizing the angle adjustment of one foot pedal 3. Similarly, the angle adjustment of the other foot pedal 3 is also the same.

[0034] It should be noted that the distance between the two foot pedals 3 in this rehabilitation foot pedal machine is easily adjustable and fixed. Elderly individuals with short legs, limited hip joint mobility, thick legs, or leg swelling can all use it appropriately by adjusting the distance between the two foot pedals 3, avoiding any impact on the leg exercise effect. The angle of the two foot pedals 3 can also be adjusted and fixed clockwise or counterclockwise, allowing elderly individuals with different foot shapes to use it appropriately and avoid affecting the leg exercise effect.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leg exercise device for elderly care, comprising a main frame (1) and support rods (2) symmetrically connected to the lower end of the main frame (1), characterized in that: Foot pedals are provided on both sides of the main frame (1); The foot pedal mechanism includes a support column (20), which is fixedly connected to the side wall of the main frame (1). An L-shaped tube (5) is slidably arranged on the outer wall of the support column (20). An adjustment mechanism is provided between the L-shaped tube (5) and the support column (20). A convex block (7) is fixedly connected to the end of the L-shaped tube (5) away from the main frame (1). A U-shaped block (4) is symmetrically fixedly connected to the side wall of the convex block (7) away from the L-shaped tube (5). A rotating shaft (13) is rotatably connected between the two U-shaped blocks (4). A U-shaped block (9) is fixedly sleeved on the outer wall of the rotating shaft (13). An angle adjustment mechanism is provided between the U-shaped block (9) and one of the U-shaped blocks (4). A foot pedal (3) is fixedly connected to the end of the U-shaped block (9) away from the convex block (7).

2. The leg exercise device for elderly care according to claim 1, characterized in that: The inner wall of the L-shaped tube (5) is provided with a cylindrical groove (19) near the main frame (1). The cylindrical groove (19) is slidably engaged with the support column (20). A square groove (18) is provided on the groove wall of the cylindrical groove (19). A limit block (15) is fixedly connected to the outer wall of the support column (20). The square groove (18) is slidably engaged with the limit block (15).

3. The leg exercise device for elderly care according to claim 1, characterized in that: The length adjustment mechanism includes multiple threaded holes (16), which are linearly arrayed on the upper end of the limiting block (15). A screw (6) is threaded into the threaded hole (16) closest to the main frame (1). A slot (17) is provided on the outer wall of the L-shaped tube (5) near the main frame (1), and the slot (17) and the screw (6) slide together.

4. The leg exercise device for elderly care according to claim 1, characterized in that: The angle adjustment mechanism includes a cylindrical shell (10) and multiple limiting holes (14). The cylindrical shell (10) is fixedly connected to the U-shaped wall of one of the U-shaped blocks (4). A limiting rod (8) is slidably inserted at one end of the cylindrical shell (10) away from the U-shaped block (4). The limiting rod (8) is movably inserted through the U-shaped block (4). Multiple limiting holes (14) are arranged in a ring array on the U-shaped wall of the U-shaped block (9). One of the limiting holes (14) is slidably engaged with the limiting rod (8). An elastic mechanism is provided between the limiting rod (8) and the cylindrical shell (10).

5. A leg exercise device for elderly care according to claim 4, characterized in that: The elastic mechanism includes a ring (11), which is fixedly sleeved on the outer wall of the limiting rod (8) near the U-shaped block (4). The outer ring surface of the ring (11) slides against the inner wall of the cylindrical shell (10). A spring (12) is fixedly connected between the ring (11) and the cylindrical shell (10), and the spring (12) slides on the outer wall of the limiting rod (8).

6. The leg exercise device for elderly care according to claim 1, characterized in that: The upper surface of the foot pedal (3) is made of rubber material.

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