CN213252847U

CN213252847U - Leg pressing device for physical training

Info

Publication number: CN213252847U
Application number: CN202022646043.0U
Authority: CN
Inventors: 朱长会
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-05-25
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a sports apparatus technical field discloses a leg pressing device is used in physical training, the on-line screen storage device comprises a base, the inside fixed mounting of base has the bracing piece, the inside of base rotates and is connected with two-way lead screw, run through on the bracing piece and set up the opening that supplies two-way lead screw to pass, threaded connection has two screws on the two-way lead screw, sliding connection has the slide on the bracing piece, the top fixed mounting of slide has the loop bar, the gliding cavity of supply bracing piece has been seted up to the inside of loop bar, the top fixed mounting of loop bar has the supporting seat, the top of two screws all rotates and is connected with the connecting rod, the one end that the screw was kept away from to the connecting rod rotates with the. The utility model discloses simple structure, it is convenient to adjust, and is fixed stable, adopts mechanical adjustment to replace manual regulation, uses manpower sparingly.

Description

Leg pressing device for physical training

Technical Field

The utility model relates to a sports apparatus technical field especially relates to a leg pressing ware is used in physical training.

Background

At present, some sports training items need stretch the limbs before training, prevent to appear phenomenons such as limbs strain in the training process, especially the leg portion training to this kind of sports items such as martial arts and gymnastics more needs to realize the rehearsal of some basic motion through the leg pressing, so the limbs before sports training a leg pressing or the motion are tensile, all use leg pressing apparatus, present leg pressing does not have special apparatus yet, generally carry out through the horizontal bar is supplementary, but because the highly fixed of horizontal bar, can't adjust, can't satisfy different trainees ' requirement, and current device only has the leg pressing function, do not have the place that lets the people have a rest.

The prior patent (publication number: CN 205569641U) provides a leg pressing device for physical training, which has simple and reasonable structure, realizes the coarse adjustment and the fine adjustment of the height of the leg pressing device, meets the training requirements of people and has strong practicability.

However, the apparatus still has the following problems: adopt artifical manual regulation, it is comparatively loaded down with trivial details to adjust the operation, and fixed effect is relatively poor, is unfavorable for user of service's use, for this reason, we provide a leg pressing ware for physical training and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a leg pressing device for physical training.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a leg pressing device for physical training comprises a base, wherein a supporting rod is fixedly arranged in the base, a bidirectional lead screw is rotatably connected in the base, an opening through which the bidirectional lead screw passes is formed in the supporting rod in a penetrating manner, two nuts are connected to the bidirectional lead screw in a threaded manner, a sliding plate is slidably connected to the supporting rod, a loop bar is fixedly arranged at the top of the sliding plate, a cavity for the supporting rod to slide is formed in the loop bar, a supporting seat is fixedly arranged at the top of the loop bar, connecting rods are rotatably connected to the tops of the two nuts, one end of each connecting rod, which is far away from the corresponding nut, is rotatably connected with the bottom of the corresponding sliding plate, a connecting rack is fixedly arranged on the outer wall of the corresponding supporting rod, a mounting groove is formed in the sliding plate, a sliding rod is slidably connected in the mounting groove, one end of the supporting spring is fixedly connected with one side of the limiting rack, the other end of the supporting spring is fixedly connected with the inner wall of the mounting groove, the top and the bottom of the limiting rack are fixedly provided with guide blocks, and the sliding plate is internally provided with a guide groove for the guide blocks to slide.

Preferably, a protective shell is fixedly mounted on one side of the base, and the driving motor is located inside the protective shell.

Preferably, the top fixed mounting of bracing piece has the limiting plate, and the both sides of limiting plate all are provided with the ring channel, and the inside swing joint of ring channel has the ball, and the ball offsets with the inner wall of cavity.

Preferably, the supporting seat is provided with a groove, and a rubber pad is fixedly mounted on the inner wall of the groove.

Preferably, one end of the sliding rod extending to the outside of the sliding plate is fixedly connected with a pulling plate, and the pulling plate is in a disc shape.

Preferably, the bottom fixed mounting of screw has the stopper, offers the gliding spacing groove of confession stopper on the interior diapire of base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the bidirectional screw rod can be driven to rotate by the driving motor, and the sliding plate and the sleeve rod can be pushed to move upwards by the matching use of the bidirectional screw rod, the screw nut and the connecting rod, so that the height of the supporting seat is adjusted, manual adjustment is replaced by mechanical adjustment, manpower is saved, and the operation is convenient;

2. the sliding plate is fixed through the matching of the connecting rack, the sliding rod, the pulling plate, the limiting rack and the supporting spring, the sleeve rod and the supporting seat are locked through the fixing of the sliding plate, and the stability of the fixing of the supporting seat is improved.

Drawings

Fig. 1 is a schematic front view of a leg press for physical training according to the present invention;

fig. 2 is a front sectional view of a leg press for physical training according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

In the figure: 1. a base; 2. a support bar; 3. a bidirectional screw rod; 4. a nut; 5. a connecting rod; 6. a limiting block; 7. a limiting groove; 8. a drive motor; 9. a protective shell; 10. a slide plate; 11. a loop bar; 12. a supporting seat; 13. a limiting plate; 14. a ball bearing; 15. connecting the racks; 16. a slide bar; 17. pulling a plate; 18. a limit rack; 19. a support spring; 20. and a guide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a leg pressing device for physical training comprises a base 1, a support rod 2 is fixedly installed inside the base 1, a bidirectional screw rod 3 is rotatably connected inside the base 1, a through hole for the bidirectional screw rod 3 to pass through is formed in the support rod 2 in a penetrating manner, two nuts 4 are connected to the bidirectional screw rod 3 in a threaded manner, a sliding plate 10 is slidably connected onto the support rod 2, a loop bar 11 is fixedly installed at the top of the sliding plate 10, a cavity for the support rod 2 to slide is formed inside the loop bar 11, a support seat 12 is fixedly installed at the top of the loop bar 11, a connecting rod 5 is rotatably connected to the tops of the two nuts 4, one end of the connecting rod 5, which is far away from the nuts 4, is rotatably connected with the bottom of the sliding plate 10, a connecting rack 15 is fixedly installed on the outer wall of the support rod 2, a mounting groove is formed inside the sliding, the limiting rack 18 is meshed with the connecting rack 15, the sliding rod 16 is sleeved with a supporting spring 19, one end of the supporting spring 19 is fixedly connected with one side of the limiting rack 18, the other end of the supporting spring 19 is fixedly connected with the inner wall of the mounting groove, the top and the bottom of the limiting rack 18 are fixedly provided with guide blocks 20, and a guide groove for the guide blocks 20 to slide is formed in the sliding plate 10.

Wherein, one side fixed mounting of base 1 has protecting crust 9, and driving motor 8 is located the inside of protecting crust 9, protects driving motor 8 through protecting crust 9, avoids driving motor 8 to expose and does not have any safety guarantee in the device outside, is invaded the problem that leads to the electrical apparatus short circuit by dust, sewage or splash easily, has prolonged driving motor 8's life.

Wherein, the top fixed mounting of bracing piece 2 has limiting plate 13, the both sides of limiting plate 13 all are provided with the ring channel, the inside swing joint of ring channel has ball 14, ball 14 offsets with the inner wall of cavity, play fine spacing effect on the one hand through ball 14's installation, avoid loop bar 11 the condition of skew to appear at gliding in-process, on the other hand ball 14 offsets with loop bar 11's inner wall, sliding friction who changes limiting plate 13 and loop bar 11 into rolling friction through ball 14, frictional force has been reduced, make loop bar 11's slip more smooth.

Wherein, the supporting seat 12 is provided with a groove, and the inner wall of the groove is fixedly provided with a rubber pad, thereby improving the comfort level of a user when pressing legs.

Wherein, the slide bar 16 extends to the outside one end fixedly connected with arm-tie 17 of slide 10, and arm-tie 17 is disc shape, has increased the stress point of slide bar 16 through arm-tie 17, makes the slip of slide bar 16 more convenient, has made things convenient for operating personnel's use.

Wherein, the bottom fixed mounting of screw 4 has stopper 6, offers on base 1's the interior diapire and supplies stopper 6 gliding spacing groove 7, uses the removal of screw 4 to lead through stopper 6 and spacing groove 7's cooperation, avoids screw 4 to take place the skew at the in-process position that removes, has improved the stability that screw 4 removed.

The working principle is as follows: in the utility model, the leg press provides electric energy for the driving motor 8 through the external power supply, and controls the opening and closing of the driving motor 8 through the control switch, when the height of the supporting seat 12 needs to be adjusted, firstly, the pulling plate 17 is pulled to apply force outwards, the sliding rod 16 slides towards the outside of the sliding plate 10, at the moment, the supporting spring 19 is in a compressed state, the limiting rack 18 and the connecting rack 15 are in a separated state, the driving motor 8 is controlled to start, the driving motor 8 drives the bidirectional screw rod 3 to rotate, so that the two screws 4 move relatively, the connecting rod 5 is connected to push the sliding plate 10 to slide upwards, the sleeve rod 11 is pushed to slide upwards through the sliding plate 10, thereby the height of the supporting seat 12 is adjusted, the driving motor 8 is controlled to close after the adjustment is finished, the pulling plate 17 is loosened, the limiting rack 18 is engaged with the connecting rack 15 again by the resilience force of the supporting spring 19 to realize the, simple structure, convenient operation adopts mechanical adjustment to replace manual regulation, uses manpower sparingly, is favorable to user of service's use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The leg pressing device for physical exercise comprises a base (1) and is characterized in that a supporting rod (2) is fixedly arranged inside the base (1), a bidirectional screw rod (3) is connected to the base (1) in a rotating mode, a through hole for the bidirectional screw rod (3) to penetrate through is formed in the supporting rod (2), two nuts (4) are connected to the bidirectional screw rod (3) in a threaded mode, a sliding plate (10) is connected to the supporting rod (2) in a sliding mode, a sleeve rod (11) is fixedly arranged at the top of the sliding plate (10), a cavity for the supporting rod (2) to slide is formed in the sleeve rod (11), a supporting seat (12) is fixedly arranged at the top of the sleeve rod (11), a connecting rod (5) is connected to the top of the two nuts (4) in a rotating mode, one end, far away from the nuts (4), of the connecting rod (5) is connected with the bottom of the sliding plate (10) in a rotating mode, the mounting groove has been seted up to the inside of slide (10), the inside sliding connection of mounting groove has slide bar (16), the one end fixed mounting of slide bar (16) has spacing rack (18), spacing rack (18) are connected with connecting rack (15) meshing, the cover is equipped with supporting spring (19) on slide bar (16), one end of supporting spring (19) and one side fixed connection of spacing rack (18), the other end of supporting spring (19) and the inner wall fixed connection of mounting groove, the equal fixed mounting in top and the bottom of spacing rack (18) has guide block (20), the gliding guide way of confession guide block (20) has been seted up to the inside of slide (10).

2. A leg press for physical exercise according to claim 1, wherein a protective shell (9) is fixedly installed at one side of the base (1), and the driving motor (8) is located inside the protective shell (9).

3. A leg press for physical training as claimed in claim 1, wherein a limiting plate (13) is fixedly installed on the top of the supporting rod (2), two sides of the limiting plate (13) are provided with annular grooves, the inside of the annular groove is movably connected with balls (14), and the balls (14) are abutted against the inner wall of the cavity.

4. A leg press for physical exercise according to claim 1, wherein the support base (12) is provided with a groove, and a rubber pad is fixedly mounted on the inner wall of the groove.

5. A leg press for physical exercise according to claim 1, wherein a pulling plate (17) is fixedly connected to one end of the sliding bar (16) extending to the outside of the sliding plate (10), and the pulling plate (17) is in the shape of a circular disk.

6. The leg pressing device for physical training of claim 1, wherein the bottom of the nut (4) is fixedly provided with a limiting block (6), and the inner bottom wall of the base (1) is provided with a limiting groove (7) for the limiting block (6) to slide.