Leg strength training device
By designing an adjustable leg strength training device, the problem of adaptability for different trainees with different leg lengths is solved, reducing the risk of injury and improving training results. The leg strength training device also has a massage function.
Patent Information
- Application Number
- CN202423156997.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing leg strength training devices cannot accommodate the different leg lengths of trainees, making it difficult to maintain the correct training posture and increasing the risk of injury.
A leg strength training device has been designed, which allows the position of the training roller to be adjusted according to different leg lengths through adjusting components and adjustable training rollers, and is equipped with a massage function to promote muscle recovery.
It allows for flexible adjustment based on the leg length of different trainees, reducing the risk of injury, and provides a massage function to promote muscle recovery and improve training results.
Smart Images

Figure CN223831695U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of leg strength training technology, and in particular to a leg strength training device. Background Technology
[0002] Leg strength training is a systematic exercise designed to enhance leg muscle strength, improve leg endurance, and improve leg joint function. When performing leg strength training, it is necessary to warm up and stretch properly, maintain correct training posture, and combine it with a reasonable diet after training for better results.
[0003] Currently, leg strength training devices are usually one-piece structures, which cannot accommodate the different leg lengths of trainees by adjusting the training rollers. This leads to many users being unable to adopt the correct training posture. Incorrect training posture cannot effectively exercise leg muscles and may also increase the risk of injury. Utility Model Content
[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a leg strength training device that can adjust the position of the training roller according to the different leg lengths of the trainees, so that the trainees can maintain the correct training posture and reduce the risk of injury during training. At the same time, the device is highly flexible in use.
[0005] To achieve the above objectives, this utility model also provides a leg strength training device, comprising: a base plate and an adjustment assembly; a weight sensor is fixedly connected to the upper surface of the base plate; the adjustment assembly includes a fixed rod, a motor, a threaded rod, a first slider, and a first support column; the upper surface of the weight sensor is fixedly connected to the fixed rod; a first groove is provided inside the fixed rod; a motor is fixedly connected to the left surface of the fixed rod; the upper surface of the first slider is fixedly connected to the first support column; a first rotating shaft is rotatably connected inside the first support column; a connecting rod is fixedly connected to the side surface of the first rotating shaft; a training roller is provided on the front surface of the connecting rod; a second support column is fixedly connected to the upper surface of the base plate; a second groove is provided inside the second support column; a cylinder is fixedly connected to the bottom inner wall of the second groove; a second slider is fixedly connected to the output end of the cylinder; a second rotating shaft is rotatably connected inside the second slider; a rotating roller is fixedly connected to the side surface of the second rotating shaft; and a massage block is fixedly connected to the side surface of the rotating roller.
[0006] According to the leg strength training device, the output end of the motor is fixedly connected to a threaded rod, and the side surface of the threaded rod is threadedly connected to a first slider.
[0007] According to the aforementioned leg strength training device, the inner surface of the fixed rod is slidably connected to the first slider. By starting the motor, the threaded rod is driven to rotate, and the first slider, the first support column, the first rotating shaft, the connecting rod, and the training roller on the threaded rod move, thereby adjusting the position of the training roller. The device is highly flexible in use.
[0008] According to the leg strength training device, a hydraulic cylinder is fixedly connected to the upper surface of the base plate, a seat is fixedly connected to the output end of the hydraulic cylinder, a support rod is fixedly connected to the upper surface of the seat, and an armrest is fixedly connected to the upper surface of the support rod.
[0009] According to the aforementioned leg strength training device, a connecting plate is fixedly connected to the left surface of the first support column, a photoelectric sensor is fixedly connected to the front surface of the connecting plate, a controller is fixedly connected to the upper surface of the handrail, a display screen is fixedly connected to the upper surface of the controller, and a button is fixedly connected to the upper surface of the controller. The weight sensor, motor, photoelectric sensor, hydraulic cylinder, display screen, and button are all electrically connected to the controller. The photoelectric sensor can measure the number of leg exercises performed by the trainee, and the weight sensor can measure the weight of the object on the weight sensor. When changing the training roller, the weight of the training roller can be seen on the display screen.
[0010] According to the leg strength training device, a third support column is fixedly connected to the upper surface of the base plate, and a third groove is provided inside the third support column.
[0011] According to the leg strength training device, a guide rod is fixedly connected to the bottom inner wall of the third groove, and a third slider is slidably connected to the inner surface of the guide rod. The inner surface of the third slider is rotatably connected to the second rotating shaft. The guide rod is set to guide the rotating roller when the height is adjusted, and makes the movement of the rotating roller more stable.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. By setting up adjustment components, a first rotating shaft, a connecting rod and a training roller, the position of the training roller can be adjusted according to trainees with different leg lengths, so that trainees can maintain the correct training posture and reduce the risk of injury during training. At the same time, the device is highly flexible in use.
[0014] 2. By setting a second support column, a second groove, a cylinder, a second slider, a second rotating shaft, a rotating roller, and a massage block, the legs can be massaged after leg training to promote blood circulation in the leg muscles, reduce muscle soreness, and allow trainees to recover from fatigue more quickly. At the same time, the height of the rotating roller can be adjusted to meet the needs of trainees of different heights.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a schematic diagram of the overall structure of a leg strength training device according to the present invention;
[0018] Figure 2 This is a schematic diagram of the adjustment component structure of a leg strength training device according to the present invention;
[0019] Figure 3 This is a schematic diagram of the second support column structure of a leg strength training device according to the present invention;
[0020] Figure 4 This is a schematic diagram of the support rod structure of a leg strength training device according to the present invention.
[0021] Legend:
[0022] 1. Base plate; 2. Weight sensor; 3. Fixing rod; 4. First groove; 5. Motor; 6. Threaded rod; 7. First slider; 8. First support column; 9. First rotating shaft; 10. Connecting rod; 11. Training roller; 12. Connecting plate; 13. Photoelectric sensor; 14. Hydraulic cylinder; 15. Seat; 16. Support rod; 17. Armrest; 18. Controller; 19. Display screen; 20. Button; 21. Second support column; 22. Second groove; 23. Cylinder; 24. Second slider; 25. Second rotating shaft; 26. Rotating roller; 27. Massage block; 28. Third support column; 29. Third groove; 30. Guide rod; 31. Third slider; 32. Adjustment assembly. Detailed Implementation
[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0024] Reference Figure 1-4This utility model discloses a leg strength training device, comprising: a base plate 1 and an adjustment assembly 32. A weight sensor 2 is fixedly connected to the upper surface of the base plate 1. The adjustment assembly 32 includes a fixed rod 3, a motor 5, a threaded rod 6, a first slider 7, and a first support column 8. The upper surface of the weight sensor 2 is fixedly connected to the fixed rod 3. The weight sensor 2 can weigh objects on it. When changing the training roller 11, the weight of the training roller 11 can be viewed through the display screen 19. A first groove 4 is provided inside the fixed rod 3. The motor 5 is fixedly connected to the left surface of the fixed rod 3. The output end of the motor 5 is fixedly connected to the threaded rod 6. The side surface of the threaded rod 6... The first slider 7 is threadedly connected to the first slider 7, the inner surface of the fixing rod 3 is slidably connected to the first slider 7, the upper surface of the first slider 7 is fixedly connected to the first support column 8, the first support column 8 is rotatably connected to the first rotating shaft 9, the side surface of the first rotating shaft 9 is fixedly connected to the connecting rod 10, and the front surface of the connecting rod 10 is provided with a training roller 11. By starting the motor 5, the threaded rod 6 is driven to rotate, and the first slider 7, the first support column 8, the first rotating shaft 9, the connecting rod 10 and the training roller 11 on the threaded rod 6 move, so that the position of the training roller 11 can be adjusted. The position of the training roller 11 can be adjusted according to the different heights and leg lengths of the trainees, and the device is highly flexible in use.
[0025] A second support column 21 is fixedly connected to the upper surface of the base plate 1. A second groove 22 is provided inside the second support column 21. A cylinder 23 is fixedly connected to the inner wall of the bottom of the second groove 22. A second slider 24 is fixedly connected to the output end of the cylinder 23. A second rotating shaft 25 is rotatably connected inside the second slider 24. A rotating roller 26 is fixedly connected to the side surface of the second rotating shaft 25. A massage block 27 is fixedly connected to the side surface of the rotating roller 26. By starting the cylinder 23, the second slider 24, the second rotating shaft 25, the rotating roller 26, and the massage block 27 are moved and adjusted. The height of the base plate 1 is designed to meet the usage needs of different users of the rotating roller 26 and massage block 27. A third support column 28 is fixedly connected to the upper surface of the base plate 1. A third groove 29 is provided inside the third support column 28. A guide rod 30 is fixedly connected to the bottom inner wall of the third groove 29. A third slider 31 is slidably connected to the inner surface of the guide rod 30. The inner surface of the third slider 31 is rotatably connected to the second rotating shaft 25. The guide rod 30 is designed to guide the rotating roller 26 and massage block 27 when their heights change, and to make the movement of the rotating roller 26 and massage block 27 more stable.
[0026] A connecting plate 12 is fixedly connected to the left surface of the first support column 8. A photoelectric sensor 13 is fixedly connected to the front surface of the connecting plate 12. The photoelectric sensor 13 can measure the number of leg exercises performed by the trainee. A hydraulic cylinder 14 is fixedly connected to the upper surface of the base plate 1. A seat 15 is fixedly connected to the output end of the hydraulic cylinder 14. The seat 15 can be adjusted by moving the seat 15 by activating the hydraulic cylinder 14. A support rod 16 is fixedly connected to the upper surface of the seat 15. An armrest 17 is fixedly connected to the upper surface of the support rod 16. A controller 18 is fixedly connected to the upper surface of the armrest 17. A display screen 19 is fixedly connected to the upper surface of the controller 18. A button 20 is fixedly connected to the upper surface of the controller 18. The weight sensor 2, motor 5, photoelectric sensor 13, hydraulic cylinder 14, display screen 19, and button 20 are all electrically connected to the controller 18. Pressing the button 20 can turn the motor 5 on and off.
[0027] Working principle: During use, the trainee adjusts the position of the training roller 11 according to their leg length. The motor 5 drives the threaded rod 6 to rotate, causing the first slider 7, first support column 8, first rotating shaft 9, connecting rod 10, and training roller 11 to move, thus adjusting the position of the training roller 11. After adjusting the training roller 11 to a suitable position, the hydraulic cylinder 14 is activated to move the seat 15, adjusting its height to a suitable level. The trainee can then sit on the seat 15 for training. After training, the leg muscles can be relaxed using the rotating roller 26 and massage block 27 on one side. The device allows for easy movement of the second slider 24, second rotating shaft 25, rotating roller 26, and massage block 27 via the activation of cylinder 23. This adjustment allows the rotating roller 26 and massage block 27 to be positioned according to the leg length of the trainee, enabling them to maintain the correct training posture and reducing the risk of injury. The device is highly flexible and can massage the legs after training, promoting blood circulation in the leg muscles, reducing muscle soreness, and allowing the trainee to recover from fatigue more quickly.
[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A leg strength training device, characterized in that, include: The base plate (1) and the adjustment assembly (32) are provided. A weight sensor (2) is fixedly connected to the upper surface of the base plate (1). The adjustment assembly (32) includes a fixed rod (3), a motor (5), a threaded rod (6), a first slider (7) and a first support column (8). The upper surface of the weight sensor (2) is fixedly connected to the fixed rod (3). A first groove (4) is provided inside the fixed rod (3). A motor (5) is fixedly connected to the left surface of the fixed rod (3). The upper surface of the first slider (7) is fixedly connected to the first support column (8). A first rotating shaft (9) is rotatably connected inside the first support column (8). A connecting rod (10) is fixedly connected to the side surface of the first rotating shaft (9). A training roller (11) is provided on the front surface of the connecting rod (10). A second support column (21) is fixedly connected to the upper surface of the base plate (1). A second groove (22) is provided inside the second support column (21). A cylinder (23) is fixedly connected to the bottom inner wall of the second groove (22). A second slider (24) is fixedly connected to the output end of the cylinder (23). A second rotating shaft (25) is rotatably connected inside the second slider (24). A rotating roller (26) is fixedly connected to the side surface of the second rotating shaft (25). A massage block (27) is fixedly connected to the side surface of the rotating roller (26).
2. The leg strength training device according to claim 1, characterized in that, The output end of the motor (5) is fixedly connected to the threaded rod (6), and the side surface of the threaded rod (6) is threadedly connected to the first slider (7).
3. The leg strength training device according to claim 1, characterized in that, The inner surface of the fixed rod (3) is slidably connected to the first slider (7).
4. A leg strength training device according to claim 3, characterized in that, A hydraulic cylinder (14) is fixedly connected to the upper surface of the base plate (1), and a seat (15) is fixedly connected to the output end of the hydraulic cylinder (14). A support rod (16) is fixedly connected to the upper surface of the seat (15), and an armrest (17) is fixedly connected to the upper surface of the support rod (16).
5. A leg strength training device according to claim 4, characterized in that, A connecting plate (12) is fixedly connected to the left surface of the first support column (8). A photoelectric sensor (13) is fixedly connected to the front surface of the connecting plate (12). A controller (18) is fixedly connected to the upper surface of the handrail (17). A display screen (19) is fixedly connected to the upper surface of the controller (18). A button (20) is fixedly connected to the upper surface of the controller (18). The weight sensor (2), motor (5), photoelectric sensor (13), hydraulic cylinder (14), display screen (19), and button (20) are all electrically connected to the controller (18).
6. A leg strength training device according to claim 1, characterized in that, The upper surface of the base plate (1) is fixedly connected to a third support column (28), and the interior of the third support column (28) is provided with a third groove (29).
7. A leg strength training device according to claim 6, characterized in that, A guide rod (30) is fixedly connected to the bottom inner wall of the third groove (29), and a third slider (31) is slidably connected to the inner surface of the guide rod (30). The inner surface of the third slider (31) is rotatably connected to the second rotating shaft (25).