Leg clamping machine

Abstract

The utility model relates to the technical field of fitness equipment, and discloses a leg clamping machine, which comprises a base, a left pulley block and a right pulley block, the base comprises a connecting pipe, a plurality of adjusting wheels are rotatably arranged on the connecting pipe, and the left pulley block and the right pulley block are symmetrically arranged; the pedal group comprises two pedals which are symmetrically arranged left and right, and the two pedals are rotationally arranged on the base, so that the two pedals are close to each other or far away from each other; the first elastic rope sequentially bypasses the left pulley block, the adjusting wheel and the right pulley block, the adjusting wheel adjusts the stretching degree of the first elastic rope, and the first elastic rope is rotationally connected with the two pedals. According to the utility model, damping adjustment of pedal sliding can be carried out according to actual requirements of a user, the use flexibility and convenience can be improved, and the legs of the user can be exercised and stretched to different degrees.

Description

Technical Field

[0001] The utility model belongs to the technical field of fitness equipment, and specifically relates to a leg clamping machine. Background Art

[0002] The leg press machine is a common piece of fitness equipment, mainly used to exercise leg muscles and shape leg lines.

[0003] The existing leg clamp machine usually includes two slide rail frames arranged opposite to each other on the left and right sides, a pedal is slidably arranged on the slide rail frame, an elastic member is arranged between the pedal and the slide rail frame, the elastic member provides a damping force for the pedal during the sliding process, and a handrail is arranged on the slide rail frame for gripping during exercise. When a user uses the leg clamp machine, the user's feet step on the pedals on the corresponding sides respectively, and the user opens or closes his legs to drive the pedals to slide along the slide rail frame. The leg clamp machine can stretch and exercise the leg muscles, thereby increasing leg strength and improving body posture.

[0004] However, it is difficult for the leg clamp machine to adjust the damping force of the pedal sliding according to the actual needs of the user, and the use of the leg clamp machine still has the problem of poor flexibility. Utility Model Content

[0005] In order to solve the shortcomings of the prior art, the utility model provides a leg clamp machine. By passing a first elastic rope around different adjustment wheels to adjust the damping, the leg clamp machine can adjust the damping of the pedal sliding according to the actual needs of the user, which is conducive to improving the flexibility and convenience of use, and the user's legs can achieve different degrees of exercise and stretching.

[0006] The technical effects to be achieved by the utility model are achieved through the following technical aspects:

[0007] The utility model provides a leg clamping machine, comprising

[0008] The base includes a connecting tube, on which a plurality of adjusting wheels are rotatably arranged, and a left pulley group and a right pulley group are arranged on the base, and the left pulley group and the right pulley group are symmetrically arranged; a pedal group includes two pedals symmetrically arranged on the left and right, and the two pedals are rotatably arranged on the base so that the two pedals are close to or away from each other; and a first elastic rope is passed around the left pulley group, the adjusting wheel and the right pulley group in sequence, and the adjusting wheel adjusts the stretching degree of the first elastic rope, and the first elastic rope is rotatably connected to the two pedals respectively.

[0009] In some implementations, the base includes a first supporting transverse tube and a second supporting transverse tube, and the connecting tube is disposed between the first supporting transverse tube and the second supporting transverse tube.

[0010] In some implementations, a rotating rod is provided between the first supporting transverse tube and the pedal, the rotating rod is rotatably provided on the first supporting transverse tube, the pedal is provided on the rotating rod, and the rotating rod is rotatably connected to the first elastic rope.

[0011] In some implementations, a damping rotation assembly is provided between the rotating rod and the pedal, and the pedal rotates relative to the rotating rod via the damping rotation assembly.

[0012] In some implementations, the damping rotation assembly includes a mounting tube, which is disposed between the rotating rod and the pedal, the mounting tube being rotatably connected to the rotating rod and being detachably connected to the pedal; and a second elastic rope, which is disposed between the rotating rod and the mounting tube and is rotatably connected to the rotating rod and the mounting tube, respectively.

[0013] In some implementations, the rotating rod is provided with a first sleeve and a second sleeve, and a first blocking pad is provided on the side of the second sleeve away from the first sleeve; the mounting tube includes a through section, and the through section passes through the first sleeve, the second sleeve and the first blocking pad in sequence, and an anti-slip component is provided on one side of the first blocking pad for limiting the second sleeve from slipping out of the through section, and the anti-slip component is detachably connected to the through section.

[0014] In some implementations, a limit tube is provided on the connecting tube, the limit tube is located between the two rotating rods, and a buffer tube plug is sleeved on the limit tube for buffering the collision between the rotating rod and the limit tube.

[0015] In some implementations, the left pulley group includes a first left pulley and a second left pulley, wherein the first left pulley is arranged on the connecting tube, the second left pulley is arranged on the first supporting cross tube, and the first elastic rope is passed around the first left pulley, the adjusting wheel and the second left pulley in sequence.

[0016] In some implementations, the base includes a vertical pipe, the vertical pipe is detachably connected to the connecting pipe, a handrail is provided on the vertical pipe, and a sheath is provided on the handrail.

[0017] In some implementations, a guard plate for enclosing the user's feet is provided on the pedal.

[0018] In summary, the utility model has at least the following benefits:

[0019] The utility model provides a leg clamping machine, in which the user steps on two pedals respectively, and drives the pedals to rotate relative to the base through repeated movements between opening and closing of the legs. The first elastic rope passes through the left pulley group, the adjustment wheel and the right pulley group in sequence. When the two pedals are approaching or moving away from each other, the first elastic rope provides a certain resistance to the movement of the pedals, and the leg muscles of the user are exercised. By selecting the adjustment wheel that the first elastic rope passes through, the stretching degree of the first elastic rope can be adjusted, and then the resistance during the movement of the pedals can be adjusted. The operation is convenient, which is conducive to improving the flexibility of the use of the leg clamping machine, and the user can adjust the damping force of the first elastic rope according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a leg clamping machine according to a specific embodiment of the utility model.

[0021] Figure 2 The utility model is a top view of a leg clamping machine according to a specific embodiment of the utility model.

[0022] Figure 3 It is an exploded view of a leg clamping machine at the pedal assembly according to a specific embodiment of the utility model.

[0023] Figure 4 It is a side view of a leg clamping machine according to a specific embodiment of the utility model.

[0024] Figure 5 It is an exploded view of the damping rotation assembly according to a specific embodiment of the utility model.

[0025] Figure 6 The utility model is a bottom view of a leg clamping machine according to a specific embodiment of the utility model.

[0026] Figure 7 It is an exploded view of the left pulley block, the right pulley block and the adjusting wheel of a specific embodiment of the utility model.

[0027] Markings in the figure:

[0028] 1. Base; 11. Connecting pipe; 111. Limiting pipe; 112. Buffer pipe plug; 12. First supporting transverse pipe; 121. Rotating shaft; 13. Second supporting transverse pipe; 14. Adjusting wheel; 141. Adjusting flat pad; 15. Vertical pipe; 16. Handrail; 161. Sheath;

[0029] 2. left pulley group; 21. first left pulley; 22. second left pulley; 23. third left pulley;

[0030] 3. right pulley group; 31. first right pulley; 32. second right pulley; 33. third right pulley;

[0031] 4. pedal group; 41. pedal; 411. guard plate; 412. anti-skid layer; 42. rotating rod; 421. first sleeve; 422. second sleeve; 423. barrier sleeve; 424. first barrier pad; 425. anti-slip member; 43. top cover 44. second barrier pad; 45. third sleeve; 46. fourth sleeve; 47. base spacer; 48. damping rotation assembly; 481. mounting tube; 4811. through section; 482. second elastic rope; 4821. second end sleeve; 4822. connecting sleeve;

[0032] 5. first elastic rope; 51. first end sleeve; 52. first small shaft sleeve;

[0033] 6. Electronic watch; 61. Sensor. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. The described implementation is a part of the implementation of the utility model, not all of the implementations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1:

[0037] Please see attached Figure 1-3 The utility model is a leg clamping machine, comprising a base 1, on which a left pulley group 2, a right pulley group 3 and a plurality of adjusting wheels 14 are arranged, a first elastic rope 5 is wound around the left pulley group 2, the right pulley group 3 and the adjusting wheels 14, and a pedal group 4 is rotatably arranged on the base 1.

[0038] The base 1 includes a first supporting transverse tube 12 and a second supporting transverse tube 13, which are arranged in parallel with each other. The first supporting transverse tube 12 is specifically a horizontally arranged circular tube, and both ends of the first supporting transverse tube 12 along the axial direction are provided with first outer tube plugs to increase the stability of the placement of the first supporting transverse tube 12. The second supporting transverse tube 13 is specifically a circular tube, and both ends of the second supporting transverse tube 13 along the axial direction are provided with second outer tube plugs to increase the stability of the placement of the second supporting transverse tube 13.

[0039] A connecting tube 11 is provided between the first supporting transverse tube 12 and the second supporting transverse tube 13. The connecting tube 11 is vertically arranged relative to the first supporting transverse tube 12, and the connecting tube 11 is specifically a square tube. In some specific embodiments shown, one end of the connecting tube 11 along the length direction is fixedly connected to the first supporting transverse tube 12, and a reinforcing rib is provided between the connecting tube 11 and the first supporting transverse tube 12 to improve the overall stability of the base 1. The other end of the connecting tube 11 along the length direction is detachably connected to the second supporting transverse tube 13. The connecting tube 11 and the second supporting transverse tube 13 are preferably, but not limited to, assembled with bolts and nuts. An arc pad may be passed between the nut and the connecting tube 11 to reduce the possibility of the nut loosening.

[0040] The base 1 is provided with a left pulley block 2 and a right pulley block 3, which are symmetrically arranged with the connecting tube 11 as the axis of symmetry. The connecting tube 11 is provided with a plurality of adjusting wheels 14, which are distributed along the length direction of the connecting tube 11. In some specific embodiments shown, the adjusting wheels 14 are detachably connected to the connecting tube 11, and the adjusting wheels 14 and the connecting tube 11 are preferably, but not limited to, assembled with bolts and nuts, and an adjusting flat washer 141 is provided between the nut and the adjusting wheel 14 to reduce the possibility of the nut at the adjusting wheel 14 becoming loose.

[0041] A pedal group 4 is rotatably provided on the base 1, and the pedal group 4 includes two pedals 41. Specifically, the two pedals 41 are symmetrically distributed with the connecting tube 11 as the symmetry axis. The two pedals 41 are rotatably connected to the first supporting cross tube 12 respectively. The two pedals 41 can move closer to or farther away from each other when rotating. The user drives the two pedals 41 to move relative to each other by opening and closing the feet, and the user exercises the leg muscles by repeatedly squeezing the legs.

[0042] The first elastic rope 5 is wound around the left pulley block 2, the adjusting wheel 14 and the right pulley block 3. The first elastic rope 5 is wound around the left pulley block 2, the adjusting wheel 14 and the right pulley block 3 in sequence. The two ends of the first elastic rope 5 are respectively rotatably connected to the two pedals 41. When the user drives the two pedals 41 to move closer to or away from each other, the first elastic rope 5 is stretched and provides damping for the sliding of the pedals 41. Specifically, the first end sleeves 51 are sleeved at both ends of the first elastic rope 5. The first elastic rope 5 is rotatably connected to the pedals 41 at the first end sleeves 51.

[0043] The user's feet step on the corresponding pedals 41, and through the opening and closing movements of the legs, the pedals 41 are rotatably connected to the first elastic rope 5 and the first supporting cross tube 12 respectively. When the two pedals 41 move away from each other, the first elastic rope 5 is stretched, and the first elastic rope 5 is stretched and provides damping for the movement of the pedals 41. The user exercises the leg muscles by counteracting the damping. The first elastic rope 5 can adjust the stretching degree of the first elastic rope 5 by choosing to bypass different adjustment wheels 14, thereby adjusting the damping of the pedal 41 during movement. It is easy to use, which is conducive to improving the flexibility of using the leg clamp machine, and the user can adjust it according to his own situation.

[0044] Embodiment 2:

[0045] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the pedal 41 of the utility model, see Figure 4 and Figure 5 .

[0046] The pedal 41 of this embodiment is provided with a guard plate 411 for protecting the user's feet. The guard plate 411 is located at one end of the pedal 41 close to the first supporting cross tube 12. The guard plate 411 can reduce the possibility of safety accidents such as the user's feet slipping off the pedal 41 and causing pinching when the user opens or closes his legs, thereby improving the safety of the pedal 41. In some specific embodiments shown, the pedal 41 is provided with an anti-skid layer 412, which is conducive to increasing the friction between the foot and the pedal 41, thereby ensuring the safety of use. It can be understood that the anti-skid layer 412 is provided with anti-skid ridges and anti-skid materials to achieve anti-skid mode, which is known to those skilled in the art and can be implemented, and is not described in detail in this embodiment.

[0047] In a preferred embodiment, a rotating rod 42 is arranged between the pedal 41 and the first supporting transverse tube 12, and the rotating rod 42 is rotatably connected to the pedal 41 and the first supporting transverse tube 12 respectively, wherein the rotating rod 42 has rotating ends formed at both ends along the axial direction, and specifically, the rotating end of the rotating rod 42 is a vertically arranged circular tube.

[0048] A damping rotation assembly 48 is provided between the rotating rod 42 and the pedal 41. The damping rotation assembly 48 includes a mounting tube 481. The pedal 41 and the mounting tube 481 are detachably connected. Specifically, the pedal 41 and the mounting tube 481 can be assembled by screws. In some specific embodiments shown, the mounting tube 481 includes a through section 4811, which is a vertically arranged round rod. The through section 4811 is passed through the rotating end of the corresponding side of the rotating rod 42.

[0049] The through section 4811 is provided with a blocking sleeve 423, a first sleeve 421, a second sleeve 422 and a first blocking flat washer 424 in sequence along the axial direction. At this time, the rotating end of the corresponding side of the rotating rod 42 is provided on the through section 4811 and is located between the first sleeve 421 and the second sleeve 422. Specifically, the first blocking flat washer 424 is provided with an anti-slipping piece 425, which is preferably but not limited to a screw. The anti-slipping piece 425 sequentially penetrates the first blocking flat washer 424 and the second sleeve 422 and is connected to the through section 4811 to achieve the connection between the through section 4811, the blocking sleeve 423, the first sleeve 421, the rotating rod 42 and the second blocking flat washer 44, and the rotating rod 42 is rotatably connected to the mounting tube 481.

[0050] Furthermore, a first small shaft sleeve 52 is provided between the first blocking flat pad 424 and the anti-slip component 425 , and the first elastic rope 5 is sleeved on the first small shaft sleeve 52 at the first end sleeve 51 , and the first elastic rope 5 is rotatably connected to the rotating rod 42 .

[0051] A second elastic rope 482 is disposed between the mounting tube 481 and the rotating rod 42 . The second elastic rope 482 is specifically disposed horizontally. The second elastic rope 482 is rotatably connected to the bottom of the mounting tube 481 and the top of the rotating rod 42 , respectively. In some specific embodiments as shown, second end sleeves 4821 are provided at both ends of the second elastic rope 482 along the length direction, and a connecting shaft sleeve 4822 is inserted into the second end sleeve 4821. The second end sleeve 4821 is rotatably connected to the connecting shaft sleeve 4822, and a screw is inserted into the connecting shaft sleeve 4822. The second elastic rope 482 is rotatably connected to the mounting tube 481 and the rotating rod 42 through the second end sleeve 4821, the connecting shaft sleeve 4822 and the screw, respectively. At this time, the pedal 41 can rotate relative to the rotating rod 42 through the mounting tube 481. The user's foot steps on the pedal 41 and drives the pedal 41 and the rotating rod 42 to rotate relative to the first supporting cross tube 12, and the pedal 41 and the rotating rod 42 can also rotate relative to each other. The second elastic rope 482 provides a certain amount of damping, which is conducive to improving the flexibility of the use of the pedal 41, and the pedal 41 can be adaptively rotated according to the change of the user's foot position, thereby improving the comfort of the use of the pedal 41.

[0052] In a preferred embodiment, a rotating shaft 121 is installed on the first supporting transverse tube 12. The rotating shaft 121 is specifically arranged vertically. The rotating shaft 121 is sequentially penetrated with a top cover 43, a second blocking flat pad 44, a third sleeve 45, a fourth sleeve 46 and a spacer of the base 1 along the axial direction. The rotating end corresponding to the rotating rod 42 is sleeved on the rotating shaft 121 and is located between the third sleeve 45 and the fourth sleeve 46. Specifically, the top cover 43 is detachably connected with the rotating shaft 121 through screws, thereby realizing the connection between the top cover 43, the second blocking flat pad 44, the third sleeve 45, the rotating rod 42 and the fourth sleeve 46, and the fourth sleeve 46 and the rotating shaft 121, which is conducive to improving the stability of use and the convenience of disassembly and assembly. When the pedal 41 rotates, the rotating rod 42 is rotatably connected with the rotating shaft 121.

[0053] When the two pedals 41 move closer to or farther from each other, the rotating rod 42 rotates relative to the first supporting cross tube 12, and the pedals 41 rotate relative to the rotating rod 42 through the damping rotating assembly 48, which is beneficial to improve the flexibility and smoothness of use, and the leg clamping machine is easy to disassemble and assemble.

[0054] Embodiment 3:

[0055] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the left pulley block 2 and the right pulley block 3 of the utility model, see Figure 6 and Figure 7 .

[0056] The left pulley assembly 2 of the utility model includes a first left pulley 21 and a second left pulley 22. In a preferred embodiment, the first left pulley 21 and the second left pulley 22 are both arranged on the connecting tube 11, and the second left pulley 22 and the third left pulley 23 are spaced apart along the length direction of the connecting tube 11 and are respectively detachably connected to the connecting tube 11. The first left pulley 21 is preferably, but not limited to, assembled with the connecting tube 11 by screws and nuts. Specifically, the first left pulley 21 can adjust the tightness of the installation by screws and nuts, adjust the difficulty of driving the first left pulley 21 to rotate when the first elastic rope 5 is stretched, and then adjust the sliding friction between the first elastic rope 5 and the first left pulley 21. The first left pulley 21 guides the first elastic rope 5.

[0057] The second left pulley 22 is preferably, but not limited to, assembled with the connecting tube 11 by means of screws and nuts. Specifically, the second left pulley 22 can adjust the tightness of the installation by means of screws and nuts, thereby adjusting the difficulty of driving the second left pulley 22 to rotate when the first elastic rope 5 is stretched, thereby adjusting the sliding friction between the first elastic rope 5 and the second left pulley 22. The second left pulley 22 guides the first elastic rope 5.

[0058] A third left pulley 23 is provided on the side of the adjusting wheel 14 away from the second left pulley 22. The third left pulley 23 is detachably connected to the first supporting cross tube 12. The third left pulley 23 is preferably, but not limited to, assembled by means of screws and nuts. The third left pulley 23 can adjust the tightness of the installation by means of screws and nuts, thereby adjusting the difficulty of driving the third left pulley 23 to rotate when the third elastic rope is stretched. The third left pulley 23 guides the third elastic rope.

[0059] In a preferred embodiment, the right pulley block 3 includes a first right pulley 31, a second right pulley 32 and a third right pulley 33. The first right pulley 31 is arranged on the connecting tube 11 and is arranged symmetrically with the first left pulley 21. The second right pulley 32 is arranged on the connecting tube 11 and is arranged symmetrically with the second left pulley 22. The third right pulley 33 is arranged on the first supporting transverse tube 12 and is arranged symmetrically with the third left pulley 23. The structure of the right pulley block 3 is consistent with that of the left pulley. It can be understood that the number of each pulley of the right pulley block 3 and the assembly method of each pulley are not specifically limited here. Technicians in the relevant field can make replacements and improvements on this basis, such as the first right pulley 31, the second right pulley 32 and the third right pulley 33 are respectively connected to the base 1.

[0060] The first elastic rope 5 passes through the first left pulley 21, the second left pulley 22, the third left pulley 23, the adjusting wheel 14, the third right pulley 33, the second right pulley 32 and the first right pulley 31 in sequence. The first elastic rope 5 passes through the left pulley group 2, the adjusting wheel 14 and the right pulley group 3 to be stretched. The left pulley group 2 and the right pulley group 3 are conducive to improving the smoothness of the stretching of the first elastic rope 5.

[0061] Embodiment 4:

[0062] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the base 1 of the utility model, see Figure 7 .

[0063] The base 1 of the utility model includes a standpipe 15, which is specifically a vertically arranged round tube. The standpipe 15 is detachably connected to the connecting tube 11. The standpipe 15 is preferably, but not limited to, assembled with screws and nuts. One end of the standpipe 15 away from the connecting tube 11 is detachably connected with a handrail 16. The handrail 16 is preferably, but not limited to, assembled with screws and nuts. A sheath 161 is provided on the handrail 16 to improve the comfort of gripping the handrail 16 and increase the friction when gripping.

[0064] In a preferred embodiment, an electronic meter 6 is installed at one end of the vertical pipe 15 away from the connecting pipe 11. The electronic meter 6 is located on one side of the handrail 16. The electronic meter 6 is electrically connected to a sensor to improve the convenience of use. The coordinated use of the sensor and the electronic meter 6 to monitor the number of rotations of the pedal 41 is known to those skilled in the art and is achievable, and is not described in detail in this embodiment.

[0065] In a preferred embodiment, a limiting tube 111 is provided on the connecting tube 11, and the limiting tube 111 is specifically a horizontally arranged round tube. Buffer tube plugs 112 are installed at both ends of the limiting tube 111 along the axial direction. The buffer tube plugs 112 are preferably but not limited to flexible material plugs such as sponge plugs or rubber plugs. When the two pedals 41 approach each other, the limiting tube 111 can limit the collision of the two pedals 41 during the approach process, and the buffer tube plug 112 can have a certain buffering effect on the collision between the limiting tube 111 and the pedal 41, so as to extend the service life of the leg clamping machine.

[0066] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0067] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "second", "third", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0068] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0069] In the present utility model, unless otherwise clearly specified and limited, the second feature being above or below the third feature may include the second and third features being in direct contact, or may include the second and third features being in contact not directly but through another feature between them. Moreover, the second feature being above, above and above the third feature includes the second feature being directly above and obliquely above the third feature, or simply means that the second feature is higher in level than the third feature. The second feature being below, below and below the third feature includes the second feature being directly below and obliquely below the third feature, or simply means that the second feature is lower in level than the third feature.

[0070] Although the utility model is described in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A leg clamping machine, characterized in that: include: The base (1) comprises a connecting tube (11), on which a plurality of adjusting wheels (14) are rotatably arranged, and on which a left pulley block (2) and a right pulley block (3) are arranged, wherein the left pulley block (2) and the right pulley block (3) are symmetrically arranged; A pedal group (4) comprises two pedals (41) symmetrically arranged on the left and right sides, wherein the two pedals (41) are rotatably arranged on the base (1) so that the two pedals (41) are moved closer to or farther from each other; as well as The first elastic rope (5) is passed through the left pulley group (2), the adjusting wheel (14) and the right pulley group (3) in sequence, and the adjusting wheel (14) adjusts the stretching degree of the first elastic rope (5). The first elastic rope (5) is rotatably connected to the two pedals (41) respectively.

2. The leg clamping machine according to claim 1, characterized in that: The base (1) comprises a first supporting transverse tube (12) and a second supporting transverse tube (13), and the connecting tube (11) is arranged between the first supporting transverse tube (12) and the second supporting transverse tube (13).

3. The leg clamping machine according to claim 2, characterized in that: A rotating rod (42) is provided between the first supporting transverse tube (12) and the pedal (41); the rotating rod (42) is rotatably provided on the first supporting transverse tube; the pedal (41) is provided on the rotating rod (42); and the rotating rod (42) is rotatably connected to the first elastic rope (5).

4. The leg clamping machine according to claim 3, characterized in that: A damping rotation assembly (48) is provided between the rotating rod (42) and the pedal (41), and the pedal (41) rotates relative to the rotating rod (42) via the damping rotation assembly (48).

5. The leg clamping machine according to claim 4, characterized in that: The damping rotation assembly (48) comprises: a mounting tube (481) disposed between the rotating rod (42) and the pedal (41), wherein the mounting tube (481) is rotatably connected to the rotating rod (42) and detachably connected to the pedal (41); and The second elastic rope (482) is arranged between the rotating rod (42) and the mounting tube (481), and is rotatably connected to the rotating rod (42) and the mounting tube (481) respectively.

6. The leg clamping machine according to claim 5, characterized in that: The rotating rod (42) is provided with a first shaft sleeve (421) and a second shaft sleeve (422), and a first blocking flat washer (424) is provided on a side of the second shaft sleeve (422) away from the first shaft sleeve (421); The mounting tube (481) includes a through section (4811), and the through section (4811) passes through the first sleeve (421), the second sleeve (422) and the first blocking pad (424) in sequence. One side of the first blocking pad (424) is provided with an anti-slip component (425) for limiting the second sleeve (422) from slipping out of the through section (4811), and the anti-slip component (425) is detachably connected to the through section (4811).

7. The leg clamping machine according to claim 3, characterized in that: A limit tube (111) is provided on the connecting tube (11), the limit tube (111) is located between the two rotating rods (42), and a buffer tube plug (112) is sleeved on the limit tube (111) for buffering the collision between the rotating rod (42) and the limit tube (111).

8. The leg clamping machine according to claim 2, characterized in that: The left pulley group (2) comprises a first left pulley (21) and a second left pulley (22), wherein the first left pulley (21) is arranged on the connecting tube (11), the second left pulley (22) is arranged on the first supporting cross tube (12), and the first elastic rope (5) is passed around the first left pulley (21), the adjusting wheel (14) and the second left pulley (22) in sequence.

9. The leg clamping machine according to claim 1, characterized in that: The base (1) comprises a vertical pipe (15), the vertical pipe (15) is detachably connected to the connecting pipe (11), a handrail (16) is arranged on the vertical pipe (15), and a protective sleeve (161) is sleeved on the handrail (16).

10. The leg clamping machine according to claim 1, characterized in that: The pedal (41) is provided with a guard plate (411) for enclosing the feet of a user.

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