Hamstring muscle group strength training and evaluation system device

Abstract

The application relates to the technical field of sports training equipment, in particular to a calf muscle group strength training and evaluation system device, which comprises a supporting flat plate, two movable frames movably arranged at the two ends of the top of the supporting flat plate, two elastic ropes fixedly connected to the top of the supporting flat plate, a foot ring fixedly arranged at the end of the elastic rope away from the supporting flat plate, a display screen for displaying and recording training information fixedly arranged at one end of the supporting flat plate, and a baffle assembly movably arranged at the top of the movable frame. The training posture of a trainer is arranged, the trainer holds the handle, the trainer kicks the feet backward and contacts the soft pad baffle at this time, the backward kicking action of the trainer can pull the elastic rope and provide weight training for the trainer, the elastic force of the elastic rope is adjustable, the resistance can be increased or reduced according to the requirement, small weight can be used for high-frequency training, and large weight can be used for high-frequency training, so that the applicability of the device is improved.

Description

Technical Field

[0001] This invention relates to the field of sports training equipment technology, specifically to a hamstring strength training and assessment system device. Background Technology

[0002] In athletes' physical training, strength training of the hamstring muscles is particularly important. The hamstring muscles are a collective term for the muscles on the back of the thigh, and their importance includes:

[0003] 1. Balance the strength of leg muscles. If the strength of the posterior leg muscles is uneven with that of the anterior quadriceps muscles, it will limit the improvement of athletic performance.

[0004] 2. The hamstring muscles are the main muscles responsible for eccentric braking during human movement, much like the braking system in a car. They are an important part of preventing posterior muscle strain.

[0005] Existing equipment for training the hamstrings includes lying leg extension trainers and NORDBORD hamstring testers.

[0006] However, in practical use, existing technologies only support low-frequency training, relying on increasing the load to achieve the training purpose. They cannot achieve high-frequency training or combine high and low frequencies, resulting in low applicability. Summary of the Invention

[0007] The purpose of this invention is to provide a system and device for training and evaluating hamstring strength, in order to solve the problem of the inability to combine high and low frequencies and the low applicability.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a hamstring muscle strength training and evaluation system device, comprising:

[0009] A support plate is provided, with two movable frames movably mounted at both ends of the top of the support plate. Two elastic ropes are fixedly connected to the top of the support plate, and a foot ring is fixedly mounted at the end of the elastic ropes away from the support plate. A display screen for displaying and recording training information is fixedly mounted at one end of the support plate, and a baffle assembly is movably mounted on the top of the movable frames.

[0010] A baffle opening and closing assembly is installed on the top of the active frame, and the baffle opening and closing assembly is used to drive the baffle assembly to open and close, so as to facilitate users to train quickly;

[0011] A movable component is provided at the bottom of the baffle opening and closing assembly, and the movable component is used to drive the baffle assembly to move along the direction of the movable frame through the baffle opening and closing assembly to adapt to the needs of trainees of different heights;

[0012] A drive assembly is located in the middle of the movable frame. The drive assembly is used to drive the baffle opening and closing assembly to work, which is convenient for single-person operation.

[0013] A support assembly is located at the top of the activity frame, and the support assembly is used to provide support for the trainee's elbows.

[0014] Preferably, the baffle assembly has a touch sensor and a pressure sensor in the middle for recording the number of times and the force, and transmits the number of times and the force information to the display screen for display. The baffle opening and closing assembly includes two drive frames movably disposed on the top of the movable frame. The inner wall of the drive frame is provided with an execution component for performing the opening and closing of the baffle assembly. The execution component includes a drive seat for driving the baffle assembly to move.

[0015] Preferably, the baffle assembly includes two symmetrically arranged first soft pad baffles, the number of the actuating components is two sets, and the two sets of actuating components are respectively arranged on the inner walls of the two drive frames, and the two drive seats are respectively fixedly connected to one end of the two first soft pad baffles.

[0016] Preferably, the actuating component further includes a fixed frame fixedly connected to the inner wall of the drive frame. A drive shaft is rotatably connected to the middle of the fixed frame. Drive arms are fixedly connected to both the upper and lower ends of the drive shaft. A first connecting frame and a second connecting frame are respectively fixedly connected to the upper and lower ends of the drive arms away from the drive shaft. A first connecting cap is fixedly connected to the end of the first connecting frame away from the drive arm, and a second connecting cap is fixedly connected to the end of the second connecting frame away from the drive arm. A connecting shaft is fixedly connected to the inner walls of both the first and second connecting caps. A drive tube is rotatably connected to the surface of the connecting shaft via a bearing, and the drive tube is rotatably connected to the inner wall of the second connecting cap via a bearing. A first hinge arm is fixedly connected to the surface of the drive tube. The first hinge arm is located away from the drive shaft. A second hinge arm is hinged to one end of the tube, and the second hinge arm is hinged to the end of the fixed frame away from the drive shaft, so that the fixed frame, drive arm, first hinge arm and second hinge arm follow the parallelogram law. A first bevel gear is fixedly connected to the surface of the drive tube, and a second bevel gear is rotatably connected to the surface of the connecting shaft through a bearing. The second bevel gear is rotatably connected to the inner wall of the first connecting cap through a bearing. A third bevel gear meshes with the surfaces of the first bevel gear and the second bevel gear. A drive column is fixedly connected to the middle of the third bevel gear. The drive seat is fixedly connected to the surface of the drive column. A retainer is rotatably connected to the inner wall of the drive column through a bearing. The retainer is rotatably connected to the surface of the drive tube through a bearing, and the retainer is fixedly connected to the surface of the connecting shaft.

[0017] Preferably, the inner walls of the drive frame corresponding to the positions of the first connecting cap and the second connecting cap are respectively fixedly connected to guide rails, and the first connecting cap and the second connecting cap are respectively movably connected to the inner walls of the guide rails.

[0018] Preferably, the movable component includes a third connecting frame fixedly connected to the bottom of the drive frame. A guide frame is fixedly connected to the bottom of the third connecting frame. The guide frame is a hollow structure with an open bottom. A guide post is fixedly connected to the inner wall of the guide frame and is perpendicular to the movable frame. A drive block is movably sleeved on the surface of the guide post. A drive crossbar is fixedly connected between two corresponding drive blocks at the bottom of the two movable frames. A screw is threadedly connected to the middle of the drive crossbar, and the screw is rotatably connected to the middle of the support plate through a bearing seat. The screw movably passes through and extends to the outside of the support plate. A handwheel is fixedly connected to the end of the screw away from the support plate.

[0019] Preferably, the movable frame has a first movable groove at the center of the position corresponding to the third connecting frame, and the third connecting frame is movably connected to the inner wall of the first movable groove. The support plate and the movable frame each have a second movable groove at the center of the position corresponding to the driving block, which provides space for the movement of the driving block. The driving block is movably connected to the inner wall of the second movable groove. One end of the third connecting frame is movably sleeved with a guide rod, and the guide rod is fixedly connected to the top of the inner wall of the movable frame. Both ends of the bottom of the movable frame are fixedly connected with guide strips. The support plate has a damping groove at the inner wall corresponding to the guide strip position, and the guide strip is movably connected to the inner wall of the damping groove, so as to provide guidance and limiting functions for the relative movement of the two movable frames.

[0020] Preferably, the drive assembly includes a drive rod rotatably connected to the inner wall of the movable frame via a bearing. One end of the drive rod away from the baffle opening and closing assembly extends through the baffle and outwards to the outside of the movable frame via a bearing. A handle is fixedly connected to the end of the drive rod away from the baffle opening and closing assembly. A telescopic rod is fixedly connected to the end of the drive rod corresponding to the baffle opening and closing assembly. The telescopic rod has a regular polygonal cross-section. The fixed end of the telescopic rod is rotatably connected to the inner wall of the movable frame via a bearing. The movable end of the telescopic rod is rotatably connected to the middle of the third connecting frame via a bearing. The drive shaft extends through the drive frame and outwards to the bottom of the drive frame via a bearing. A fifth bevel gear is fixedly connected to the bottom of the drive shaft. A fourth bevel gear meshes with the surface of the fifth bevel gear, and the fourth bevel gear is fixedly connected to the surface of the telescopic rod.

[0021] Preferably, the support assembly includes an elbow support seat movably disposed on the top of the movable frame. Two sliders are fixedly connected to the bottom of the elbow support seat. A third movable groove is opened at the top of the movable frame corresponding to the slider position, and the slider is movably connected to the inner wall of the third movable groove. The slider is movably sleeved on the surface of the drive rod. Support arms are fixedly connected to both ends of the slider. Support rails are slidably connected to the bottom of the support arms, and the support rails are fixedly connected to the inner wall of the movable frame. The elbow support seat is inclined. A mounting post is fixedly connected to the surface of the movable end of the telescopic rod. A first limiting block and a second limiting block are fixedly connected to the surface of the mounting post. A limiting seat is movably disposed on the surface of the first limiting block, and the limiting seat is fixedly connected to the bottom of the inner wall of the movable frame. A meshing toothed groove is opened at one end of the corresponding position of the limiting seat and the first limiting block, so that the first limiting block and the limiting seat mesh.

[0022] Preferably, the baffle assembly includes a second soft pad baffle, the number of the actuating components is a set, and the set of actuating components is disposed on the inner wall of one of the drive frames, the drive seat is fixedly connected to one end of the two second soft pad baffles, and the other drive frame is fixedly provided with a baffle frame for supporting the second soft pad baffle at one end corresponding to the second soft pad baffle.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. In this invention, the trainee has already assumed a training posture and is holding the handle. At this time, the trainee kicks backward and makes contact with the soft pad baffle. At the same time, the trainee's backward kicking action will pull the elastic rope and add weight to the trainee's training. The elasticity of the elastic rope is adjustable, and the resistance can be increased or decreased as needed, so that low weight can be used for high-frequency training and high weight can be used for high-frequency training, thereby improving the applicability of the device.

[0025] 2. This invention also allows the trainee to rotate the grip, causing the grip to drive the fourth bevel gear to rotate via the drive rod and telescopic rod. The fourth bevel gear then drives the fifth bevel gear to rotate, which in turn drives the drive shaft to rotate. This drive shaft then drives the drive arm. Since the fixed frame, drive arm, first hinge arm, and second hinge arm follow the parallelogram law, the retainer also drives the soft pad baffle to rotate 90° around the drive shaft via the drive column and drive seat. Simultaneously, the first hinge arm drives the first bevel gear to rotate via the drive tube, which in turn drives the third bevel gear to rotate. When the third bevel gear rotates, it causes the second bevel gear to idle, allowing the third bevel gear to rotate stably. When the third bevel gear rotates, it causes the drive column to rotate on the surface of the retainer. At the same time, the drive column drives the soft pad baffle to rotate via the drive seat, causing the soft pad baffle to press down on the trainee's legs. This means that training can be easily performed by one person without the assistance of others. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the hamstring muscle strength training and evaluation system of the present invention;

[0027] Figure 2 This is a cross-sectional view of the overall structure of the hamstring strength training and assessment system of the present invention;

[0028] Figure 3 This is a schematic diagram of the soft pad baffle structure of the hamstring muscle strength training and evaluation system of the present invention;

[0029] Figure 4 This is a cross-sectional view of the movable frame structure of the hamstring strength training and assessment system of the present invention;

[0030] Figure 5 This is a partial exploded view of the baffle opening and closing component structure of the hamstring strength training and evaluation system of the present invention.

[0031] Figure 6 This is a partial schematic diagram of the baffle opening and closing component structure of the hamstring strength training and evaluation system of the present invention.

[0032] Figure 7 This is a partial cross-sectional view of the baffle opening and closing component of the hamstring strength training and assessment system of the present invention.

[0033] Figure 8 This is a schematic diagram of the support component structure of the hamstring strength training and assessment system of the present invention;

[0034] Figure 9 This is a schematic diagram of the overall structure of the hamstring muscle strength training and assessment system of the present invention in its stored state.

[0035] Figure 10 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

[0036] Figure 11 This is a schematic diagram of the overall structure in its stored state according to Embodiment 2 of the present invention.

[0037] In the diagram: 1. Supporting plate; 2. Movable frame;

[0038] 301. Drive frame; 302. Fixed frame; 303. Drive shaft; 304. Drive arm; 305. First connecting frame; 306. First connecting cap; 307. Second connecting frame; 308. Second connecting cap; 309. Connecting shaft; 310. Drive tube; 311. First hinge arm; 312. Second hinge arm; 313. First bevel gear; 314. Second bevel gear; 315. Third bevel gear; 316. Retainer; 317. Drive column; 318. Drive seat; 319. Guide rail;

[0039] 41. First soft pad baffle; 42. Second soft pad baffle; 43. Baffle frame;

[0040] 501. Third connecting frame; 502. Guide frame; 503. Guide post; 504. Drive block; 505. First movable slot; 506. Second movable slot; 507. Drive crossbar; 508. Screw; 509. Guide rod; 510. Guide strip; 511. Damping groove;

[0041] 601. Drive rod; 602. Telescopic rod; 603. Fourth bevel gear; 604. Fifth bevel gear; 605. Handle;

[0042] 701. Elbow support seat; 702. Slider; 703. Third movable groove; 704. Mounting column; 705. First limit block; 706. Second limit block; 707. Limit seat; 708. Support arm; 709. Support slide rail;

[0043] 8. Elastic rope; 9. Ankle ring; 10. Display screen. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] Example 1

[0046] Please see Figure 1-9 This invention provides a technical solution: a hamstring strength training and assessment system device, comprising:

[0047] The support plate 1 has two movable frames 2 at both ends of its top. Two elastic ropes 8 are fixedly installed on the top of the support plate 1, and a foot ring 9 is fixedly installed at the end of the elastic ropes 8 away from the support plate 1. A display screen 10 for displaying and recording training information is fixedly installed at one end of the support plate 1. A baffle assembly is movably installed on the top of the movable frame 2. A touch sensor and a pressure sensor for recording the number of repetitions and the force are installed in the middle of the baffle assembly, and the number of repetitions and the force information are transmitted to the display screen 10 for display.

[0048] When the above structure is in use, the trainee first assembles the training posture and kicks his foot backward, making contact with the first soft pad baffle 41. At the same time, the trainee's backward kicking action pulls the elastic rope 8, adding weight to the trainee's training. The elasticity of the elastic rope 8 is adjustable, and the resistance can be increased or decreased as needed, so that low weights can be used for high-frequency training and high weights can be used for high-frequency training. The touch sensor and pressure sensor in the first soft pad baffle 41 record the number of times the foot kicks the first soft pad baffle 41 and the force of each kick, and transmit the data to the display screen 10 for comprehensive evaluation.

[0049] A baffle opening and closing assembly is installed on the top of the movable frame 2, and this assembly is used to drive the baffle assembly to open and close, facilitating quick training for the user. The baffle opening and closing assembly includes two drive frames 301 movably mounted on the top of the movable frame 2. The inner wall of each drive frame 301 is provided with an execution component for opening and closing the baffle assembly. Each execution component includes a drive seat 318 for moving the baffle assembly. The baffle assembly includes two symmetrically arranged first soft pad baffles 41. There are two sets of execution components, each set located on the inner wall of one of the two drive frames 301. The two drive seats 318 are fixedly mounted on one end of each of the two first soft pad baffles 41. The execution component also includes components fixedly mounted on the inner wall of the drive frame 301. The fixed frame 302 has a drive shaft 303 rotatably connected to its middle. Drive arms 304 are fixedly mounted at both ends of the drive shaft 303. A first connecting frame 305 and a second connecting frame 307 are respectively fixedly mounted at the upper and lower ends of the drive arms 304 away from the drive shaft 303. A first connecting cap 306 is fixedly mounted at the end of the first connecting frame 305 away from the drive arm 304, and a second connecting cap 308 is fixedly mounted at the end of the second connecting frame 307 away from the drive arm 304. A connecting shaft 309 is fixedly mounted on the inner wall of both the first connecting cap 306 and the second connecting cap 308. A drive tube 310 is rotatably connected to the surface of the connecting shaft 309 via a bearing. A first hinge arm 311 is fixedly mounted on the surface of the drive tube 310 via a bearing rotatably connected to the inner wall of the second connecting cap 308. A second hinge arm 312 is hinged to the end of the first hinge arm 311 away from the drive tube 310, and the second hinge arm 312 is hinged to the end of the fixing frame 302 away from the drive shaft 303, so that the fixing frame 302, drive arm 304, first hinge arm 311, and second hinge arm 312 follow the parallelogram law. A first bevel gear 313 is fixedly mounted on the surface of the drive tube 310, and a second bevel gear 314 is rotatably connected to the surface of the connecting shaft 309 via a bearing. The second bevel gear 314 is rotatably connected to the inner wall of the first connecting cap 306 via a bearing. The surfaces of bevel gear 313 and the second bevel gear 314 are both meshed with a third bevel gear 315. A drive column 317 is fixedly installed in the middle of the third bevel gear 315. A drive seat 318 is fixedly installed on the surface of the drive column 317. A retainer 316 is rotatably connected to the inner wall of the drive column 317 through a bearing. The retainer 316 is rotatably connected to the surface of the drive tube 310 through a bearing. The retainer 316 is fixedly installed on the surface of the connecting shaft 309. Guide rails 319 are fixedly installed on the inner walls of the drive frame 301 corresponding to the positions of the first connecting cap 306 and the second connecting cap 308. The first connecting cap 306 and the second connecting cap 308 are movably connected to the inner walls of the guide rails 319.

[0050] In use, the above structure drives the drive arm 304 to rotate 90° via the drive shaft 303, causing the second hinge arm 312 to rotate 90° as well. Simultaneously, the angle between the first hinge arm 311 and the second hinge arm 312 changes. When the drive arm 304 rotates 90°, the retainer 316 also drives the first soft pad baffle 41 to rotate 90° around the drive shaft 303 via the drive column 317 and drive seat 318. When relative rotation occurs between the first hinge arm 311 and the connecting shaft 309, the first hinge arm 311 rotates through the drive tube... 310 drives the first bevel gear 313 to rotate, which in turn drives the third bevel gear 315 to rotate. When the third bevel gear 315 rotates, it causes the second bevel gear 314 to idle, allowing the third bevel gear 315 to rotate stably. Furthermore, the rotation of the third bevel gear 315 causes the drive column 317 to rotate on the surface of the cage 316. Simultaneously, the drive column 317, through the drive seat 318, drives the first soft pad baffle 41 to rotate. This process is described above. Figure 9 The state becomes Figure 1 The state of the first soft pad baffle 41 changes from the open state to the use state, and at the same time, the first soft pad baffle 41 presses down on the trainee's legs, so that no one else can help with the training.

[0051] A movable component is installed at the bottom of the baffle opening and closing assembly. This movable component is used to drive the first soft pad baffle 41 to move along the direction of the movable frame 2 via the baffle opening and closing assembly to accommodate the needs of trainees of different heights. The movable component includes a third connecting frame 501 fixedly installed at the bottom of the drive frame 301. A guide frame 502 is fixedly installed at the bottom of the third connecting frame 501. The guide frame 502 is a hollow structure with an open bottom. A guide post 503 perpendicular to the movable frame 2 is fixedly installed on the inner wall of the guide frame 502. A drive block 504 is movably sleeved on the surface of the guide post 503. A drive crossbar 507 is fixedly installed between the two drive blocks 504 at the bottom of the two movable frames 2. A screw 508 is threadedly connected to the middle of the drive crossbar 507. The screw 508 is rotatably connected to the middle of the support plate 1 through a bearing seat. The screw 508 movably passes through and extends to the outside of the support plate 1. A handwheel is fixedly installed at one end of the support plate 1. A first movable groove 505 is opened in the middle of the movable frame 2 corresponding to the position of the third connecting frame 501, and the third connecting frame 501 is movably connected to the inner wall of the first movable groove 505. A second movable groove 506 is opened in the middle of the positions of the support plate 1 and the movable frame 2 corresponding to the positions of the drive block 504, which provides space for the movement of the drive block 504. The drive block 504 is movably connected to the inner wall of the second movable groove 506. A guide rod 509 is movably sleeved at one end of the third connecting frame 501, and the guide rod 509 is fixedly installed at the top of the inner wall of the movable frame 2. Guide bars 510 are fixedly installed at both ends of the bottom of the movable frame 2. A damping groove 511 is opened in the inner wall of the support plate 1 corresponding to the position of the guide bar 510, and the guide bar 510 is movably connected to the inner wall of the damping groove 511, so as to provide guidance and limiting functions for the relative movement of the two movable frames 2.

[0052] When the above structure is in use, the handwheel is turned, which drives the screw 508 to rotate. The screw 508 is threadedly connected to the drive crossbar 507 and drives the drive block 504 to move. The drive block 504 then drives the drive frame 301 to move through the guide post 503, the guide frame 502 and the third connecting frame 501. The drive frame 301 then stretches the telescopic rod 602 and drives the first soft pad baffle 41 to move, so that the distance between the first soft pad baffle 41 and the grip 605 meets the training user's improvement needs.

[0053] A drive assembly located in the middle of the movable frame 2 is used to drive the baffle opening and closing assembly, facilitating single-person operation. The drive assembly includes a drive rod 601 rotatably connected to the inner wall of the movable frame 2 via a bearing. One end of the drive rod 601 away from the baffle opening and closing assembly extends through the bearing to the outside of the movable frame 2. A handle 605 is fixedly installed at the end of the drive rod 601 away from the baffle opening and closing assembly. A telescopic rod 602 is fixedly installed at the end of the drive rod 601 corresponding to the baffle opening and closing assembly. The telescopic rod 602 has a regular polygonal cross-section. The fixed end of the telescopic rod 602 is rotatably connected to the inner wall of the movable frame 2 via a bearing. The movable end of the telescopic rod 602 is rotatably connected to the middle of the third connecting frame 501 via a bearing. A drive shaft 303 extends through the drive frame 301 via a bearing. A fifth bevel gear 604 is fixedly installed at the bottom of the drive shaft 303. A fourth bevel gear 603 meshes with the surface of the fifth bevel gear 604, and the fourth bevel gear 603 is fixedly installed on the surface of the telescopic rod 602.

[0054] When the above structure is in use, by changing the handle 605 from a horizontal state to a vertical state relative to the supporting plate 1, the handle 605 drives the drive rod 601 to rotate 90°, and the drive rod 601 drives the fourth bevel gear 603 to rotate through the telescopic rod 602. When the fourth bevel gear 603 rotates, it will drive the fifth bevel gear 604 to rotate, thereby driving the baffle opening and closing assembly to work. That is, when the fifth bevel gear 604 rotates, it will drive the drive shaft 303 to rotate.

[0055] A support assembly is installed at the top of the active frame 2 to provide support for the trainee's elbows. The support assembly includes an elbow support seat 701 movably mounted at the top of the active frame 2. Two sliders 702 are fixedly installed at the bottom of the elbow support seat 701. A third movable groove 703 is opened at the top of the active frame 2 corresponding to the position of the sliders 702, and the sliders 702 are movably connected to the inner wall of the third movable groove 703. The sliders 702 are movably sleeved on the surface of the drive rod 601. Support arms 708 are fixedly installed at both ends of the sliders 702, and the bottom of the support arms 708 are slidably connected to support slides. The slide rail 709 is fixedly installed on the inner wall of the movable frame 2. The elbow support seat 701 is inclined. The surface of the movable end of the telescopic rod 602 is fixedly installed with the mounting column 704. The surface of the mounting column 704 is fixedly installed with the first limiting block 705 and the second limiting block 706 respectively. The surface of the first limiting block 705 is movably provided with the limiting seat 707, and the limiting seat 707 is fixedly installed at the bottom of the inner wall of the movable frame 2. The limiting seat 707 and the first limiting block 705 are respectively provided with meshing tooth grooves at one end of the corresponding position so that the first limiting block 705 and the limiting seat 707 mesh with each other.

[0056] When the above structure is in use, the drive rod 601, in conjunction with the telescopic rod 602, drives the mounting column 704 to rotate, which in turn drives the first limiting block 705 and the second limiting block 706 to rotate. When the first limiting block 705 rotates 90°, it engages with the limiting seat 707, thus restricting the axial movement of the first limiting block 705. This restricts the axial movement of the telescopic rod 602, ensuring that the position of the trainee using the first soft pad baffle 41 does not change.

[0057] Working principle: In use, the invention allows the trainee to adjust the distance between the two movable frames 2 to a suitable range according to their own body shape. During adjustment, it is only necessary to push the two movable frames 2 to both ends. By setting guide bars 510 and damping grooves 511, when the movable frame 2 is pushed, the movable frame 2 will drive the guide bars 510 to move on the inner wall of the damping grooves 511. At the same time, since there is damping between the relative movement of the damping grooves 511 and the guide bars 510, the movable frame 2 will not easily move on the top of the support plate 1 when the external force is lost, which makes it convenient for the trainee to perform hamstring muscle training.

[0058] The trainee then rotates the handwheel according to their height, causing the screw 508 to rotate. The screw 508 is then threadedly connected to the drive crossbar 507, which in turn moves the drive block 504. The drive block 504 then moves the drive frame 301 through the guide post 503, the guide frame 502, and the third connecting frame 501. This causes the drive frame 301 to extend the telescopic rod 602 while simultaneously moving the first soft pad baffle 41, ensuring that the distance between the first soft pad baffle 41 and the grip 605 meets the trainee's improvement needs.

[0059] When the position adjustment of the active frame 2 and the first soft pad baffle 41 is completed, the trainee should first sit flat on the support plate 1 and put the two foot rings 9 on his feet in an alternating manner. Then turn around and lie on the support plate 1. It should be noted that the two elastic ropes 8 do not cross after turning around, so as not to interfere with the trainee's training.

[0060] When the trainee lies flat on the support plate 1, the initial state of the device is as follows: Figure 9 As shown, both grips 605 are set horizontally with the support plate 1. The trainee adjusts the elbow support seat 701 to a suitable position. At this time, the trainee holds the grips 605 and supports the elbows on the elbow support seat 701. The elbow support seat 701 is tilted so that the user's upper body is slightly tilted upward, so that the training can better stimulate the hamstring muscles. The support arm 708 and the support slide rail 709 can provide good support for the elbow support seat 701 and prevent the elbow support seat 701 from being damaged by force when the trainee's center of gravity is on the elbow support seat 701.

[0061] When the trainee is in the correct posture, the trainee holds the handle 605 and rotates the handle 605 so that the handle 605 changes from a horizontal position to a vertical position with respect to the support plate 1. At this time, the handle 605 drives the drive rod 601 to rotate 90°, and the drive rod 601 drives the fourth bevel gear 603 to rotate through the telescopic rod 602. When the fourth bevel gear 603 rotates, it will drive the fifth bevel gear 604 to rotate, thereby driving the baffle opening and closing assembly to work.

[0062] When the fifth bevel gear 604 rotates, it drives the drive shaft 303 to rotate, which in turn drives the drive arm 304 to rotate 90°. Since the fixed frame 302, drive arm 304, first hinge arm 311, and second hinge arm 312 follow a parallelogram law, when the drive arm 304 is driven to rotate 90° by the drive shaft 303, the second hinge arm 312 will also rotate 90°. Simultaneously, the angle between the first hinge arm 311 and the second hinge arm 312 will change. Because the retainer 316 remains relatively stationary with the drive arm 304 via the connecting shaft 309, second connecting cap 308, and first connecting cap 306, when the drive arm 304 rotates 90°, the retainer 316 will also rotate via the drive shaft 304. The column 317 and drive seat 318 drive the first soft pad baffle 41 to rotate 90° around the drive shaft 303. When the first hinge arm 311 rotates relative to the connecting shaft 309, the first hinge arm 311 drives the first bevel gear 313 to rotate through the drive tube 310, and the first bevel gear 313 drives the third bevel gear 315 to rotate. When the third bevel gear 315 rotates, it drives the second bevel gear 314 to rotate freely, thus allowing the third bevel gear 315 to rotate stably. When the third bevel gear 315 rotates, it drives the drive column 317 to rotate on the surface of the cage 316, and at the same time, the drive column 317 drives the first soft pad baffle 41 to rotate through the drive seat 318. The above process is about to... Figure 9 The state becomes Figure 1 The first soft pad baffle 41 presses down on the trainee's legs, so that no one can help them train easily.

[0063] During the rotation of the drive rod 601 by 90°, the telescopic rod 602 has a regular polygonal structure, which allows the telescopic rod 602 to transmit torque while maintaining its telescopic function. This causes the drive rod 601 to drive the mounting column 704 to rotate through the telescopic rod 602, and the mounting column 704 to drive the first limiting block 705 and the second limiting block 706 to rotate respectively. When the first limiting block 705 rotates 90°, it engages with the limiting seat 707, restricting the axial movement of the first limiting block 705, which in turn restricts the axial movement of the telescopic rod 602. This ensures that the position of the trainee using the first soft pad baffle 41 does not change, thus helping to record the number of training sessions and the intensity of the training.

[0064] When the trainee uses the device, they first assume the correct training posture and hold the handle 605. Then, the trainee kicks their foot backward, making contact with the first soft pad baffle 41. Simultaneously, the trainee's backward kicking motion pulls the elastic rope 8, adding weight to the trainee's training. The elasticity of the elastic rope 8 is adjustable, allowing the resistance to be increased or decreased as needed, enabling high-frequency training with both light and heavy weights. The touch sensor and pressure sensor in the first soft pad baffle 41 record the number of times and the force of each kick, transmitting the data to the display screen 10 for comprehensive evaluation.

[0065] Example 2

[0066] Please see Figure 10-11 Unlike Embodiment 1, the baffle assembly includes a second soft pad baffle 42. The number of actuating components is one set, and the set of actuating components is disposed on the inner wall of one of the drive frames 301. The drive seat 318 is fixedly installed at one end of the two second soft pad baffles 42. The other drive frame 301 is fixedly provided with a baffle frame 43 for supporting the second soft pad baffle 42 at one end corresponding to the second soft pad baffle 42. In this embodiment, the baffle assembly is a complete second soft pad baffle 42. Unlike the usage method of Embodiment 1, the second soft pad baffle 42 can be opened and closed by only using the drive component at one end in conjunction with the baffle opening and closing component. Other usage methods are no different from Embodiment 1. Furthermore, by setting the baffle frame 43, support can be provided for the second soft pad baffle 42 in the current use state.

[0067] 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.

[0068] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hamstring muscle strength training and assessment system device, characterized in that: include: A support plate (1) is provided with two movable frames (2) at both ends of the top of the support plate (1). Two elastic ropes (8) are fixedly connected to the top of the support plate (1), and a foot ring (9) is fixedly provided at the end of the elastic rope (8) away from the support plate (1). A display screen (10) for displaying and recording training information is fixedly provided at one end of the support plate (1). A baffle assembly is movably provided on the top of the movable frame (2). A baffle opening and closing assembly is provided on the top of the mobile frame (2), and the baffle opening and closing assembly is used to drive the baffle assembly to open and close, so as to facilitate the user to train quickly; A movable component is provided at the bottom of the baffle opening and closing assembly, and the movable component is used to drive the baffle assembly to move along the direction of the movable frame (2) through the baffle opening and closing assembly to adapt to the needs of trainees of different heights; A drive assembly is provided in the middle of the movable frame (2). The drive assembly is used to drive the baffle opening and closing assembly to work, which is convenient for single-person operation. A support assembly is provided on top of the activity frame (2), and the support assembly is used to provide support for the trainee's elbows.

2. The hamstring muscle strength training and evaluation system device according to claim 1, characterized in that: The baffle assembly is provided with a touch sensor and a pressure sensor in the middle for recording the number of times and the force, and transmits the number of times and the force information to the display screen (10) for display. The baffle opening and closing assembly includes two drive frames (301) movably set on the top of the movable frame (2). The inner wall of the drive frame (301) is provided with an execution component for performing the opening and closing of the baffle assembly. The execution component includes a drive seat (318) for driving the baffle assembly to move.

3. The hamstring muscle strength training and evaluation system device according to claim 2, characterized in that: The baffle assembly includes two symmetrically arranged first soft pad baffles (41), the number of the actuation components is two sets, and the two sets of actuation components are respectively arranged on the inner walls of the two drive frames (301), and the two drive seats (318) are respectively fixedly connected to one end of the two first soft pad baffles (41).

4. The hamstring muscle strength training and evaluation system device according to claim 3, characterized in that: The execution component further includes a fixed frame (302) fixedly connected to the inner wall of the drive frame (301). A drive shaft (303) is rotatably connected to the middle of the fixed frame (302). A drive arm (304) is fixedly connected to both the upper and lower ends of the drive shaft (303). A first connecting frame (305) and a second connecting frame (307) are respectively fixedly connected to the upper and lower ends of the drive arm (304) away from the drive shaft (303). A first connecting cap (306) is fixedly connected to one end of the first connecting frame (305) away from the drive arm (304). A second connecting cap (308) is fixedly connected to one end of the connecting frame (307) away from the drive arm (304). A connecting shaft (309) is fixedly connected to the inner walls of both the first connecting cap (306) and the second connecting cap (308). A drive tube (310) is rotatably connected to the surface of the connecting shaft (309) via a bearing. The drive tube (310) is rotatably connected to the inner wall of the second connecting cap (308) via a bearing. A first hinge arm (311) is fixedly connected to the surface of the drive tube (310). The first hinge arm (311) is located away from the drive tube (310). One end of the device is hinged to a second hinge arm (312), and the second hinge arm (312) is hinged to the end of the fixed frame (302) away from the drive shaft (303), so that the fixed frame (302), drive arm (304), first hinge arm (311) and second hinge arm (312) follow the parallelogram law. The surface of the drive tube (310) is fixedly connected to a first bevel gear (313), and the surface of the connecting shaft (309) is rotatably connected to a second bevel gear (314) through a bearing. The second bevel gear (314) is rotatably connected to the first connecting cap (303) through a bearing. The inner wall of 06) is meshed with the surface of the first bevel gear (313) and the surface of the second bevel gear (314) by a third bevel gear (315). The middle part of the third bevel gear (315) is fixedly connected to a drive column (317). The drive seat (318) is fixedly connected to the surface of the drive column (317). The inner wall of the drive column (317) is rotatably connected to a retainer (316) through a bearing. The retainer (316) is rotatably connected to the surface of the drive tube (310) through a bearing, and the retainer (316) is fixedly connected to the surface of the connecting shaft (309).

5. The hamstring muscle strength training and evaluation system device according to claim 4, characterized in that: The inner walls of the drive frame (301) corresponding to the positions of the first connecting cap (306) and the second connecting cap (308) are respectively fixedly connected with guide rails (319), and the first connecting cap (306) and the second connecting cap (308) are respectively movably connected to the inner walls of the guide rails (319).

6. The hamstring muscle strength training and assessment system device according to claim 5, characterized in that: The movable component includes a third connecting frame (501) fixedly connected to the bottom of the drive frame (301). A guide frame (502) is fixedly connected to the bottom of the third connecting frame (501). The guide frame (502) is a hollow structure with an open bottom. A guide column (503) perpendicular to the movable frame (2) is fixedly connected to the inner wall of the guide frame (502). A drive block (504) is movably sleeved on the surface of the guide column (503). A drive crossbar (507) is fixedly connected between the two drive blocks (504) at the bottom of the two movable frames (2). A screw (508) is threadedly connected to the middle of the drive crossbar (507). The screw (508) is rotatably connected to the middle of the support plate (1) through a bearing seat. The screw (508) movably passes through and extends to the outside of the support plate (1). A handwheel is fixedly connected to one end of the screw (508) away from the support plate (1).

7. The hamstring muscle strength training and evaluation system device according to claim 6, characterized in that: The movable frame (2) has a first movable groove (505) at the center corresponding to the position of the third connecting frame (501), and the third connecting frame (501) is movably connected to the inner wall of the first movable groove (505). The support plate (1) and the movable frame (2) each have a second movable groove (506) at the center corresponding to the position of the driving block (504) to provide space for the movement of the driving block (504). The driving block (504) is movably connected to the inner wall of the second movable groove (506). One end of the connecting frame (501) is movably sleeved with a guide rod (509), and the guide rod (509) is fixedly connected to the top of the inner wall of the movable frame (2). Both ends of the bottom of the movable frame (2) are respectively fixedly connected with guide strips (510). The inner wall of the support plate (1) corresponding to the position of the guide strip (510) is provided with a damping groove (511), and the guide strip (510) is movably connected to the inner wall of the damping groove (511) so as to provide guidance and limiting function for the relative movement of the two movable frames (2).

8. The hamstring muscle strength training and evaluation system device according to claim 7, characterized in that: The drive assembly includes a drive rod (601) rotatably connected to the inner wall of the movable frame (2) via a bearing. One end of the drive rod (601) away from the baffle opening / closing assembly extends through the bearing to the outside of the movable frame (2). A handle (605) is fixedly connected to the end of the drive rod (601) away from the baffle opening / closing assembly. A telescopic rod (602) is fixedly connected to the end of the drive rod (601) corresponding to the baffle opening / closing assembly. The telescopic rod (602) has a regular polygonal cross-section. The fixed end of the telescopic rod (602) is rotatably connected to the inner wall of the movable frame (2) through a bearing. The movable end of the telescopic rod (602) is rotatably connected to the middle of the third connecting frame (501) through a bearing. The drive shaft (303) is rotatably connected to the bottom of the drive frame (301) through a bearing. The bottom of the drive shaft (303) is fixedly connected to the fifth bevel gear (604). The surface of the fifth bevel gear (604) is meshed with the fourth bevel gear (603), and the fourth bevel gear (603) is fixedly connected to the surface of the telescopic rod (602).

9. The hamstring muscle strength training and assessment system device according to claim 8, characterized in that: The support assembly includes an elbow support (701) movably mounted on the top of the movable frame (2). Two sliders (702) are fixedly connected to the bottom of the elbow support (701). A third movable groove (703) is provided at the top of the movable frame (2) corresponding to the position of the sliders (702), and the sliders (702) are movably connected to the inner wall of the third movable groove (703). The sliders (702) are movably sleeved on the surface of the drive rod (601). Support arms (708) are fixedly connected to both ends of the sliders (702). A support rail (709) is slidably connected to the bottom of each support arm (708), and the support rail (709) is fixed. The elbow support (701) is inclined and connected to the inner wall of the movable frame (2). The surface of the movable end of the telescopic rod (602) is fixedly connected to the mounting column (704). The surface of the mounting column (704) is fixedly connected to the first limiting block (705) and the second limiting block (706). The surface of the first limiting block (705) is movably provided with a limiting seat (707), and the limiting seat (707) is fixedly connected to the bottom of the inner wall of the movable frame (2). The limiting seat (707) and the first limiting block (705) are respectively provided with meshing tooth grooves at one end of their corresponding positions, so that the first limiting block (705) and the limiting seat (707) mesh with each other.

10. The hamstring muscle strength training and evaluation system device according to claim 2, characterized in that: The baffle assembly includes a second soft pad baffle (42). The number of the actuating components is one set, and the set of actuating components is disposed on the inner wall of one of the drive frames (301). The drive seat (318) is fixedly connected to one end of the two second soft pad baffles (42). The other drive frame (301) is fixedly provided with a baffle frame (43) for supporting the second soft pad baffle (42) at one end corresponding to the second soft pad baffle (42).

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