CN212067610U - A leg press trainer - Google Patents

Abstract

The utility model belongs to the technical field of sports equipment, a leg pressing training ware is provided, the on-line screen storage device comprises a connecting seat, the guide bar, tensile auxiliary device, two leg pressing boards, two knee pressing devices and first locking mechanism, the one end and the connecting seat fixed connection of guide bar, the other end freely extends, tensile auxiliary device includes the sliding seat, hand lever and second locking mechanism, the sliding seat slides and sets up the one end of keeping away from the connecting seat at the guide bar, the hand lever sets up the top at the sliding seat, second locking mechanism is used for locking the position of sliding seat, two leg pressing board symmetries set up the both sides at the guide bar, and be located the top of two leg pressing boards respectively, first locking mechanism is used for locking the position of two leg pressing boards. The utility model provides a pair of leg pressing training ware, tensile effect is better.

Description

A leg press trainer

technical field

The utility model relates to the technical field of sports equipment, in particular to a leg press trainer.

Background technique

After physical training or daily exercise, people usually need to relax their legs with leg presses and stretches to reduce lactic acid accumulation. Since it is difficult for the standing leg press to achieve a good stretching effect, the lying leg press is generally adopted. However, the existing lying position leg press method usually requires the assistance of others to perform. This leg press method is not only troublesome, but also difficult to control the strength, which is likely to cause discomfort or even injury to the trainee. Moreover, in the process of pressing the leg, due to the pain caused by the stretching of the ligament, the trainee tends to bend the leg unconsciously, which greatly reduces the stretching effect.

Utility model content

Aiming at the defects in the prior art, the purpose of the present invention is to provide a leg press training device to improve the stretching effect.

In order to achieve the above purpose, the present utility model provides a leg press trainer, comprising: a connecting seat, a guide rod, a stretching auxiliary device, two leg press plates, two knee press devices and a first locking mechanism,

One end of the guide rod is fixedly connected with the connecting seat, and the other end extends freely,

The stretching auxiliary device includes a sliding seat, a hand lever and a second locking mechanism, the sliding seat is slidably arranged at one end of the guide rod away from the connecting seat, and the hand lever is arranged on the top of the sliding seat , the second locking mechanism is used to lock the position of the sliding seat,

The two leg press plates are symmetrically arranged on both sides of the guide rod,

The leg press plate includes a main plate, a sub plate and a third locking mechanism, one end of the main plate is hinged with the connecting seat, the other end is provided with a sliding hole, and one end of the auxiliary plate is slidably arranged in the sliding hole, The other end is provided with an abutting plate, and the third locking mechanism is used to lock the position of the auxiliary plate,

The two knee press devices are symmetrically arranged on both sides of the guide rod, and are respectively located above the two leg press plates,

The knee pressing device includes a sliding plate, a knee pressing plate, a fourth locking mechanism and an adjusting mechanism, two opposite sides of the leg pressing plate are provided with mounting frames, and the sliding plates are slidably arranged in the mounting frames, One side of the knee press plate is connected with the sliding plate, and the other side extends toward the leg press plate, the fourth locking mechanism is used to lock the position of the sliding plate, and the adjusting mechanism is used to adjust the The height and inclination angle of the knee plate,

The first locking mechanism is used to lock the positions of the two leg press plates.

Further, it also includes: two connecting rods, the two connecting rods are symmetrically arranged on both sides of the guide rod, one end of the connecting rod is hinged with the leg press plate, and the other end is connected with the sliding seat Hinged.

Further, it also includes three directional wheels with braking function and two universal wheels, two of the three directional wheels are oppositely arranged at the bottom of the connecting seat, and the other one of the three directional wheels are arranged at the bottom of the guide rod, and the two universal wheels are respectively arranged at the bottom of the two leg press plates.

Further, the stretching auxiliary device further includes a reel, a rope and a fifth locking mechanism, a connecting plate is respectively provided on both sides of the top of the sliding seat, and the reel is rotatably arranged on the two connecting plates. One end of the rope is connected to the reel, and the other end is wound around the reel for many times and then connected to the hand lever, the top of the connecting plate is provided with a slot, and the hand lever is clamped The fifth locking mechanism is used to lock the rotation of the reel in the card slot, and the two ends of the hand lever extend to the opposite sides of the two connecting plates.

Further, the adjusting mechanism includes three adjusting grooves, two sliding nuts and three adjusting bolts arranged on the sliding plate, and the three adjusting grooves are arranged at intervals along the length direction of the sliding plate, and the pressing The side of the kneeboard facing the sliding plate is oppositely provided with two sliding grooves, which are respectively located on both sides of the middle one of the three adjusting grooves, and the two sliding nuts are respectively slidably arranged on the two sliding grooves. In the sliding groove, the threaded ends of two of the three adjusting bolts pass through the two adjusting grooves located at the two ends of the three adjusting grooves respectively, and then are threadedly connected to the sliding nut. and the threaded end of the other one of the three adjusting bolts passes through the middle one of the three adjusting grooves and is threadedly connected to the knee press plate.

Further, the first locking mechanism includes a first locking piece and a locking bolt, one end of the first locking piece is hinged to one of the two leg press plates, and the other end is connected to the other of the two leg press plates. extending in one direction, the locking bolt is arranged on the other end of the locking piece and is threadedly connected with the leg press plate, and the other end of the first locking piece is provided with a bayonet, the The port is clamped with the locking bolt.

The beneficial effects of the present utility model:

1. The leg press trainer provided by the present utility model is provided with a knee press device, which avoids the stretching training personnel from bending the legs unconsciously because they cannot bear the pain caused by ligament stretching. situation, thereby improving the stretching effect.

2. The leg press training device provided by the present utility model can meet the needs of persons with different leg thicknesses by providing an adjusting mechanism to the knee press device.

3. The leg press trainer provided by the present utility model, by setting the leg press plate into the form of the main plate and the auxiliary plate, can change the relative position of the main plate and the auxiliary plate, and then change the length of the leg press plate, and can Meet the needs of people with different leg lengths.

4. The leg press trainer provided by the utility model can change the angle between the two leg press plates through the sliding seat and the connecting rod, so that not only can the leg press stretch forward, but also the crotch can be opened. stretch.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required for the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

1 is a three-dimensional view of a leg press trainer provided by an embodiment of the present utility model;

Fig. 2 is the front view of a kind of leg press trainer shown in Fig. 1;

Fig. 3 is the bottom view of a kind of leg press training device shown in Fig. 1;

Fig. 4 is the sectional view on the A-A direction shown in Fig. 2;

Fig. 5 is the sectional view along the B-B direction shown in Fig. 2;

Fig. 6 is the sectional view in the C-C direction shown in Fig. 2;

Fig. 7 is the sectional view in the D-D direction shown in Fig. 3;

8 is a cross-sectional view along the E-E direction shown in FIG. 3;

FIG. 9 is an enlarged view at F shown in FIG. 4 .

Reference number:

1-Connecting seat, 2-Guide rod, 3-Stretching auxiliary device, 31-Sliding seat, 311-Connecting plate, 3111-Card slot, 32-Hand pulling rod, 33-Second locking mechanism, 331-Second screw hole , 332- second bolt, 34- reel, 35- rope, 36- fifth locking mechanism, 361- fifth locking piece, 3611- first jack, 362- second jack, 363- latch, 37- Rotating shaft, 4-leg press plate, 41-main board, 411-sliding hole, 42-auxiliary plate, 421-contact plate, 43-third locking mechanism, 431-third chute, 432-third bolt, 44-installation Frame, 441-Guide Chute, 5-Knee Pressing Device, 51-Sliding Plate, 52-Knee Pressing Plate, 521-Chute, 53-4th Locking Mechanism, 531-4th Chute, 532-4th Bolt, 54 -Adjustment mechanism, 541-Adjustment groove, 542-Slide nut, 543-Adjustment bolt, 6-First locking mechanism, 61-First locking piece, 62-Locking bolt, 611-Bay bayonet, 7-Connecting rod, 8- Directional wheel, 9-universal wheel.

Detailed ways

The embodiments of the technical solutions of the present utility model will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in the present application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientation or positional relationship indicated by "radial direction", "circumferential direction", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In this application, unless otherwise expressly stated and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or indirectly through an intermediary between the first and second features touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

As shown in Figures 1-9, the present utility model provides a leg press trainer, comprising: a connecting seat 1, a guide rod 2, a stretching auxiliary device 3, two leg press plates 4, two knee press devices 5 and a first A locking mechanism 6 .

The connecting seat 1 is used to carry the user's buttocks. That is, when in use, the user's buttocks sit on the connecting seat 1 .

One end of the guide rod 2 is fixedly connected with the connecting base 1 , and the other end extends freely.

The stretching auxiliary device 3 is used to provide a focus point for the user to lean forward by force to achieve the purpose of stretching, and includes a sliding seat 31 , a hand lever 32 and a second locking mechanism 33 . The sliding seat 31 is slidably installed on one end of the guide rod 2 away from the connecting seat 1 . The pull rod 32 is arranged on the top of the sliding seat 31 . The second locking mechanism 33 is used to lock the position of the sliding seat 31 .

Specifically, the second locking mechanism 33 includes second screw holes 331 formed on both sides of the sliding seat 31 and two second bolts 332 , and the threaded ends of the two second bolts 332 pass through the two second screw holes 331 respectively. contact with the guide rod 2 .

Two leg press plates 4 are symmetrically arranged on both sides of the guide rod 2 .

The leg press plate 4 is used to carry a person's leg, and includes a main plate 41 , a sub-plate 42 and a third locking mechanism 43 . One end of the main board 41 is hinged with the connection base 1 , and the other end is provided with a sliding hole 411 . One end of the auxiliary plate 42 is slidably installed in the sliding hole 411 , and the other end is fixedly installed with an abutting plate 421 , which is used to abut against the user's feet. The third locking mechanism 43 is used to lock the position of the sub-plate 42.

Specifically, the third locking mechanism 43 includes a third chute 431 formed on both sides of the main board 41 and two third bolts 432 . The sub-plate 42 is screwed.

The length of the legs of different users is inconsistent. The leg press plate 4 of this structure can change the length of the leg press plate 4 by changing the positions of the main plate 41 and the sub-plate 42 , thereby being applicable to more people.

The two knee pressing devices 5 are symmetrically distributed on both sides of the guide rod 2 and are respectively located above the two leg pressing plates 4 .

The knee pressing device 5 is used for pressing the user's knee to prevent the knee from being bent due to the pain caused by ligament stretching, and includes a sliding plate 51 , a knee pressing plate 52 , a fourth locking mechanism 53 and an adjusting mechanism 54 . A mounting frame 44 is fixedly installed on the tops of the opposite sides of the two leg press plates 4. Preferably, the mounting frame 44 is fixedly installed on the main board 41 and is located in the middle of the leg press plate 4. The sliding plate 51 is slidably installed in the mounting frame 44 .

Specifically, the upper and lower sides of the mounting frame 44 are provided with guide chutes 441 , and the upper and lower sides of the slide plate 51 are respectively slidably inserted into the two guide chutes 441 . One side of the knee press plate 52 is connected to the first sliding plate 51 , and the other side extends toward the leg press plate 4 .

The fourth locking mechanism 53 is used to lock the position of the sliding plate 51 .

Specifically, the fourth locking mechanism 53 includes a fourth sliding groove 531 and a fourth bolt 532 formed on the top of the mounting frame 44 , the fourth sliding groove 531 communicates with the guide sliding groove 441 , and the threaded end of the fourth bolt 532 passes through the fourth bolt 532 . The chute 531 is then screwed to the sliding plate 51 .

The adjustment mechanism 54 is used to adjust the height and the inclination angle of the knee press plate 52 .

For different users, the thickness and length of their legs are inconsistent, and when a person's legs are laid flat on the ground, the tops of the legs are not in a horizontal plane. The knee press device 5 of this structure can change the relative position of the knee press plate 52 on the leg press plate 4 by changing the position of the sliding plate 51, so that it can be suitable for people with different leg lengths. At the same time, the height and the inclination angle of the knee press plate 52 can be adjusted by the adjusting mechanism 54, so that it can be suitable for people with different leg thicknesses. This further helps to achieve a better knee compression effect for different users.

The first locking mechanism 6 is used to lock the positions of the two leg press plates 4 .

In one embodiment, it also includes: two connecting rods 7, the two connecting rods 7 are symmetrically distributed on both sides of the guide rod 2, one end of the connecting rod 7 is hinged with the leg press plate 4, and the other end is hinged with the sliding seat 31 , preferably hinged with the main board 41 , which helps to reduce the length of the connecting rod 7 .

When in use, release the locking of the first locking mechanism 6 on the positions of the two leg press plates 4, then pull the hand lever 32 hard, the hand lever 32 drives the sliding seat 31 to slide, the sliding seat 31 pushes the connecting rod 7, and the connecting rod 7 pushes the pressure The leg plate 4 can change the angle between the two leg press plates 4 . In this way, in addition to the purpose of leaning forward and stretching, the purpose of opening the crotch can also be achieved.

In one embodiment, three directional wheels 8 with braking function and two universal wheels 9 are further included, and two of the three directional wheels 8 are relatively distributed on the bottom of the connecting base 1 and are fixedly connected with the connecting base 1 , the other one of the three directional wheels 8 is fixedly installed on the bottom of the guide rod 2 . Preferably, the directional wheel 8 installed on the bottom of the guide rod 2 is located on the center line of the line connecting the two directional wheels 8 installed on the bottom of the connecting base 1, which helps the device to be stable.

The two universal wheels 9 are respectively installed at the bottom of the two leg press plates 4 , preferably at the bottom of the sub-plate 42 , which helps to better support the leg press plate 4 .

When in use, move the above-mentioned leg press trainer to a suitable position, and then lock the directional wheel 8 by the braking device (not shown in the drawings) on the directional wheel 8 . This facilitates the movement and positioning of the above-mentioned leg press trainer. At the same time, the two universal wheels 9 not only help to support the leg press plate 4, but also convert the sliding friction between the leg press plate 4 and the ground into the friction force of the male hole, which reduces the friction force and helps Open hip stretch.

In one embodiment, the stretching aid 3 also includes a drum 34 , a cord 35 and a fifth locking mechanism 36 . A connecting plate 311 is respectively installed on both sides of the top of the sliding seat 31, and the reel 34 is rotatably installed between the two connecting plates 311. It is fixedly connected with the rotating shaft 37 .

One end of the rope 35 is fixedly connected to the reel 34 , and the other end is wound around the reel 34 for several times and then connected to the hand lever 32 . The top of the connecting plate 311 is provided with a card slot 3111, the handle bar 32 is locked in the card slot 3111, and the two ends of the handle bar 32 extend to the opposite sides of the two connecting plates 311.

The fifth locking mechanism 36 is used to lock the rotation of the reel 34 . Specifically, the fifth locking mechanism 36 includes two fifth locking pieces 361 , a plurality of second insertion holes 362 and two pins 363 formed on the connecting plate 311 , and the two fifth locking pieces 361 are respectively located on the two connecting plates One side of 311 facing away from each other, one end of which is fixedly connected to the rotating shaft 37, and the other end is provided with a first insertion hole 3611, a plurality of second insertion holes 362 are evenly distributed around the axis line of the rotating shaft 37, and the bolts 363 pass through The first jack 3611 is then inserted into the second jack 362 . In this way, the rotation of the reel 34 can be locked, and multiple angles thereof can also be locked at the same time.

Different people have different degrees of flexibility of the ligaments, and not everyone's hands can lean forward beyond the soles of the feet. The stretching auxiliary device 3 of this structure can be removed by removing the hand lever 32 from the card slot, and then releasing it. The fifth locking mechanism 36 locks the rotation of the drum 34 to release the rope 35 . After the rope 35 is released to a certain length, the fifth locking mechanism 36 locks it. In this way, the trainee can meet the needs of pulling to the hand lever 32 by releasing the rope 35, so that he can stretch himself without the assistance of others. The stretching auxiliary device 3 of this structure can satisfy people with different ligament flexibility.

In one embodiment, the adjusting mechanism 54 includes three adjusting grooves 541 , two sliding nuts 542 and three adjusting bolts 543 formed on the sliding plate 51 . The three adjusting grooves 541 are distributed at intervals along the length direction of the sliding plate 51 , preferably, the three adjusting grooves 541 are located in the middle of the sliding plate 51 , and the distances between two adjacent adjusting grooves 541 are equal. The side of the knee press plate 52 facing the sliding plate 51 is provided with two sliding grooves 521, which are respectively located on both sides of the middle one of the three adjusting grooves 541. The two sliding nuts 542 are slidably installed in the two sliding grooves 521 respectively. Of course, the sliding nuts 542 cannot be disengaged from the sliding grooves 521 . The threaded ends of two adjusting bolts 543 of the three adjusting bolts 543 respectively pass through the two adjusting grooves 541 located at both ends of the three adjusting grooves 541 and then are threadedly connected to the sliding nut 542 . The threaded end of the other adjusting bolt 543 of the three adjusting bolts 543 passes through the middle adjusting groove 541 of the three adjusting grooves 541 and then is threadedly connected to the knee pressing plate 52 . Preferably, when the knee plate 52 is in a horizontal position, the sliding nut 542 is located in the middle of the chute 521 .

When the height and inclination angle of the knee press plate 52 need to be adjusted, first loosen the three adjusting bolts 543, and then the knee press plate 52 can slide up and down along the adjustment groove 541 to change its height position. Then, the knee pressing plate 52 is inclined, and the two sliding nuts 542 slide in the sliding grooves 521 respectively, so that the inclination of the knee pressing plate 52 will not be affected. When both the height and the inclination angle of the knee-pressing plate 52 meet the requirements, the three adjusting bolts 543 are tightened to fix the knee-pressing plate 52. The adjustment mechanism 54 of this structure is simple in structure.

In one embodiment, the first locking mechanism 6 includes a first locking piece 61 and a locking bolt 62 . One end of the first locking piece 61 is hinged to one of the two leg press plates 4 , and the other end extends toward the other direction of the two leg press plates 4 . The locking bolt 62 is located at the other end of the first locking piece 61 and is threadedly connected with the leg press plate 4 . The other end of the first locking piece 61 is provided with a bayonet 611 , and the bayonet 611 is engaged with the locking bolt 62 .

In the drawings, although the first locking piece 61 has only one bayonet 611, it means that the first locking mechanism 6 is only parallel to the two leg press plates 4, that is, the orientations of the two leg press plates 4 are the same. Lock the position where the angle between the two leg press plates 4 is 0°. However, in practical applications, the first locking piece 61 may also be provided with a plurality of bayonet openings 611 , which can lock a plurality of included angles of the two leg press plates 4 , which helps to improve the stretching effect.

The working principle of the present utility model is as follows:

When in use, adjust the length of the leg press plate 4 and the height and inclination angle of the knee press plate 52, and then the person to be stretched sits on the connecting seat 1, his feet are against the abutting plate 421, and the hand pulls the lever 32 with both hands. stretch.

When the crotch needs to be stretched, the locking of the angle between the two leg press plates 4 by the first locking mechanism 6 and the locking of the sliding seat 31 by the second locking mechanism 33 are released. Afterwards, both hands pull the hand lever 32, the hand lever 32 drives the sliding seat 31 to move, and the sliding seat 31 drives the connecting rod 7 to move, so that the included angle of the two leg press plates 4 can be changed, so that the crotch is stretched.

In the description of the present invention, a large number of specific details are described. It will be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model The scope of the technical solution should be covered by the scope of the claims and description of the present invention.

Claims (6)

1. A leg press training device is characterized in that: comprising: a connecting seat, a guide rod, a stretching auxiliary device, two leg press plates, two knee press devices and a first locking mechanism, One end of the guide rod is fixedly connected with the connecting seat, and the other end extends freely, The stretching auxiliary device includes a sliding seat, a hand lever and a second locking mechanism, the sliding seat is slidably arranged at one end of the guide rod away from the connecting seat, and the hand lever is arranged on the top of the sliding seat , the second locking mechanism is used to lock the position of the sliding seat, The two leg press plates are symmetrically arranged on both sides of the guide rod, The leg press plate includes a main plate, a sub plate and a third locking mechanism, one end of the main plate is hinged with the connecting seat, the other end is provided with a sliding hole, and one end of the auxiliary plate is slidably arranged in the sliding hole, The other end is provided with an abutting plate, and the third locking mechanism is used to lock the position of the auxiliary plate, The two knee press devices are symmetrically arranged on both sides of the guide rod, and are respectively located above the two leg press plates, The knee pressing device includes a sliding plate, a knee pressing plate, a fourth locking mechanism and an adjusting mechanism, two opposite sides of the leg pressing plate are provided with mounting frames, and the sliding plates are slidably arranged in the mounting frames, One side of the knee press plate is connected with the sliding plate, and the other side extends toward the leg press plate, the fourth locking mechanism is used to lock the position of the sliding plate, and the adjusting mechanism is used to adjust the The height and inclination angle of the knee plate, The first locking mechanism is used to lock the positions of the two leg press plates. 2 . The leg press trainer according to claim 1 , further comprising: two connecting rods, the two connecting rods are symmetrically arranged on both sides of the guide rod, and one end of the connecting rod is connected to the The leg pressing plate is hinged, and the other end is hinged with the sliding seat. 3. The leg press training device according to claim 2, characterized in that: it further comprises three directional wheels with braking function and two universal wheels, and two of the three directional wheels are oppositely arranged on the At the bottom of the connecting seat, the other one of the three directional wheels is arranged at the bottom of the guide rod, and the two universal wheels are respectively arranged at the bottom of the two leg press plates. 4. The leg press trainer according to claim 1, wherein the stretching auxiliary device further comprises a reel, a rope and a fifth locking mechanism, and two sides of the top of the sliding seat are respectively provided with a connection The reel is rotatably arranged between the two connecting plates, one end of the rope is connected to the reel, and the other end is wound around the reel for many times and then connected to the hand lever. The top of the connecting plate is provided with a card slot, the hand lever is locked in the card slot, and the two ends of the hand lever extend to the opposite sides of the two connecting plates, the fifth A locking mechanism is used to lock the rotation of the spool. 5 . The leg press trainer according to claim 1 , wherein the adjusting mechanism comprises three adjusting grooves, two sliding nuts and three adjusting bolts provided on the sliding plate, and the three adjusting The grooves are arranged at intervals along the length direction of the sliding plate, and two sliding grooves are oppositely arranged on the side of the knee press plate facing the sliding plate, and are respectively located on both sides of one of the three adjusting grooves, The two sliding nuts are respectively slidably arranged in the two sliding grooves, and the threaded ends of the two adjusting bolts in the three adjusting bolts pass through the two adjusting bolts located in the three adjusting grooves respectively. The two adjusting grooves at the end are then threadedly connected to the sliding nut, and the threaded end of the other adjusting bolt of the three adjusting bolts passes through the middle one of the three adjusting grooves. Threaded connection with the knee plate. 6 . The leg press trainer according to claim 1 , wherein the first locking mechanism comprises a first locking piece and a locking bolt, and one end of the first locking piece is connected to one of the two leg press plates. 7 . hinged, the other end extends toward the other direction of the two leg-pressing plates, the locking bolt is arranged on the other end of the first locking piece, and is threadedly connected with the leg-pressing plate, and the The other end of the first locking piece is provided with a bayonet, and the bayonet is clamped with the locking bolt.

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