CN211513295U

CN211513295U - Leg trainer

Info

Publication number: CN211513295U
Application number: CN201920628176.XU
Authority: CN
Inventors: 赵之富
Original assignee: Shandong Body Strong Fitness Co ltd
Current assignee: Shandong Body Strong Fitness Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-09-18
Anticipated expiration: 2029-05-05

Abstract

The utility model belongs to the body-building apparatus field, concretely relates to shank training ware. The training portion includes training portion main frame, axis, dowel steel and damping device, and the dowel steel be two, perpendicular and axis, and set up along main frame front and back side line mirror symmetry, and the leg pad is installed at the dowel steel lower extreme, and when driving the dowel steel and rotate around the axis under the effect of force, damping device provides the resistance of resistance. The leg trainer of the utility model can lead a user to conveniently and safely exercise leg strength, especially to exercise explosive force without the risk of external injury; the dynamics and the height of this shank training ware all can be adjusted, and the user of the different training degree of being convenient for and the different height condition adjusts equipment according to actual conditions to reach the best exercise effect.

Description

Leg trainer

Technical Field

The invention belongs to the field of fitness equipment, and particularly relates to a leg trainer.

Background

The body-building is increasingly concerned by people, and the body-building concept is continuously developed, so that the body-building equipment is enriched. Leg training is a conventional component of sports exercise, and a large number of equipment devices for leg training, such as CN208130351U, CN108785995A, etc., have also been proposed in the prior art. However, the leg training devices disclosed in the prior art often have disadvantages, particularly the difficulty in achieving adjustment of the amount of resistance while ensuring user safety. Conventional leg exercise equipment springs or weights provide resistance. The difficulty in replacing the spring causes the resistance to be basically shaped after leaving factory and cannot be adjusted; the adjustable resistance size of balancing weight, nevertheless to emergency such as user's shank losing power, the balancing weight can drive user's shank fast and restore to the throne, very easily causes user's shank muscle strain and even more serious injury. In addition, the conventional leg training device generally does not provide the height adjusting function, and is difficult to use for the comfortable and safe training of users with different heights and body shapes.

Disclosure of Invention

In order to solve the disadvantages in the prior art, the utility model provides an improved leg training device. This shank training ware can provide adjustable resistance size under the prerequisite of guaranteeing user safety, can adjust the equipment size simultaneously in order to use different users' height size.

In the utility model, when the user uses the leg trainer, the direction pointing to the head along the body trunk is called as 'front', and the opposite direction is called as 'back'; gravity is referred to as "downward" and the opposite is referred to as "upward".

Particularly, the utility model discloses a shank training ware, include the base and install portion of gripping and training portion on the base:

the training part comprises a main frame of the training part, a middle shaft, two force transmission rods and a damping device, wherein the two force transmission rods are perpendicular to the middle shaft and are arranged in mirror symmetry along the connecting line of the front part and the rear part of the main frame,

one end of the main frame is fixed on the base, and the other end of the main frame is provided with a main frame through hole for the central shaft to pass through;

the two ends of the middle shaft respectively penetrate through the two dowel bars and are fixedly connected with the dowel bars;

the upper end of the dowel is in force-transmitting connection with the damping device and the lower end is provided with a leg pad;

when the leg pad drives the dowel bar to rotate around the middle shaft under the action of force, the damping device provides resistance for resisting the force.

Further, the training part also comprises a gear adjusting device which can be fixed at different positions along the axial direction of the dowel bar and is connected with one end of the damping device.

Furthermore, the gear adjusting device comprises a fixed guide sleeve sleeved outside the dowel bar, a mounting hole is formed in the pipe wall of the fixed guide sleeve, a positioning hole matched with the positioning hole is formed in the dowel bar along the axial direction of the dowel bar, and a selective bolt sequentially penetrates through the mounting hole and the positioning hole, so that the gear adjusting device and the dowel bar are fixed together.

Furthermore, the training part also comprises auxiliary frames symmetrically arranged on two sides of the main frame, two ends of the middle shaft are rotatably connected with the auxiliary frames, and two free ends of the U-shaped frame connecting rod are respectively connected with the two auxiliary frames to fix the auxiliary frames.

Furthermore, the auxiliary frame is provided with a bearing, and two ends of the middle shaft are sleeved in the bearing.

Further, the main frame is connected with the middle shaft through a bearing.

Further, the damping device is selected from one of a spring, a counterweight or a damping cylinder.

Furthermore, the damping device is a damping oil cylinder, one end of the damping oil cylinder is hinged with the gear adjusting device, and the other end of the damping oil cylinder is hinged with the U-shaped frame.

Further, the holding part is positioned in front of the training part and comprises a main supporting rod, a chest pad and a handle;

-the main support bar is connected to the base at one end and the chest pad is mounted at the other end;

the grip is mounted to the main support bar front side wall.

Furthermore, a plurality of mounting holes are formed in the main support rod, and the handle is detachably connected with the main support rod through the mounting holes, so that the mounting height of the handle can be adjusted.

Further, the height of the chest pad relative to the base can be adjusted.

The beneficial effects of the utility model reside in that: the leg trainer can enable a user to conveniently and safely exercise leg strength, particularly to exercise explosive force without risk of external injury; the dynamics and the height of this shank training ware all can be adjusted, and the user of the different training degree of being convenient for and the different height condition adjusts equipment according to actual conditions to reach the best exercise effect.

Drawings

Fig. 1 is a schematic view of a leg training device according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion of the gear adjustment device of fig. 1.

Fig. 3 is an enlarged view of a portion of the main frame perforation of fig. 1.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

See fig. 1. The leg trainer comprises a base 1, a holding part 1-1 and a training part 1-2 which are arranged on the base 1. The training part 1-2 comprises a main frame 2 of the training part, a middle shaft 3, a dowel bar 4 and a damping device 5. The two dowel bars 4 are perpendicular to the middle shaft 3 and are arranged in mirror symmetry along the front-back connecting line of the main frame 2. One end of the main frame 2 is fixed on the base 1, and the other end is provided with a main frame through hole 6 for the middle shaft 3 to pass through; two ends of the middle shaft 3 respectively penetrate through the two dowel bars 4 and are in force transmission connection with the dowel bars 4; the upper end of the dowel bar 4 is in force-transmitting connection with the damping device 5, i.e. the force of the dowel bar 4 can be transmitted to the damping device, or vice versa. The lower end of the dowel bar 4 is provided with a leg pad 7, and when the dowel bar 4 is driven by the leg pad 7 to rotate around the central shaft 3 under the action of force, the damping device 5 provides resistance force. Thus, the force-transmitting rod 4 forms a lever, the forces applied to its two ends being the force applied by the user's leg and the resistance of the damping device 5, respectively. By selecting different damping devices 5 or adjusting the strength of the damping devices 5, flexible adjustment of the exercise force can be achieved.

In order to make the way of force adjustment more flexible, a gear adjustment device 8 is also provided in the training part 1-2, which gear adjustment device 8 can be fixed at different positions in the axial direction of the force transmission rod 4 and is connected to one end of the damping device 5. As a specific implementation manner, the gear adjusting device 8 includes a fixed guide sleeve 9 sleeved outside the dowel bar 4, a mounting hole is formed in a pipe wall of the fixed guide sleeve 9, a positioning hole matched with the mounting hole is formed in the dowel bar 4 along the axial direction of the dowel bar, and the selection bolt 10 sequentially penetrates through the mounting hole and the positioning hole, so that the gear adjusting device 8 and the dowel bar 4 are fixed together. So, through adjusting gear adjusting device 8's position, can change the arm of force length of damping device 5 one side, and then realize under the prerequisite of not changing damping device 5 itself the function of adjusting power way size, make this shank training ware's power way adjustment more nimble.

Furthermore, the training part 1-2 further comprises auxiliary frames 11 symmetrically arranged on two sides of the main frame 2, two ends of the middle shaft 3 are rotatably connected with the auxiliary frames 11, and two free ends of the U-shaped frame connecting rod 13 are respectively connected with the two auxiliary frames 11 to fix the auxiliary frames 11. The auxiliary frame 11 has a bearing 12, and two ends of the middle shaft 3 are sleeved in the bearing 12. Similarly, the main frame 2 is rotatably connected with the middle shaft 3 through a sleeve bearing. The structural stability of the training part 1-2 can be further improved by additionally arranging the auxiliary frame 11, the U-shaped frame connecting rod 13 and the like, and the use safety of the leg training device is improved; the middle shaft 3 is sleeved by the bearing, so that the movement process is more smooth and stable, the equipment is convenient to maintain, and the service life is prolonged.

The damping device 5 is not particularly limited, and may be selected from one of a spring, a weight, or a damping cylinder. However, from the viewpoint of further improving safety in use, it is preferable to use a damping cylinder so that even if a user loses force during exercise, the damping cylinder prevents the force from rapidly and strongly acting on the user's leg, thereby preventing the user from being injured by pushing or pulling the leg. Specifically, one end of the damping device 5 is hinged to the gear adjusting device 8, and the other end is hinged to the U-shaped frame, so that the installation and arrangement of the damping device are realized.

The above is an improvement on the training part 1-2, and the present invention is also improved on the holding part 1-1. The holding part 1-1 is positioned in front of the training part 1-2, and the holding part 1-1 comprises a main support rod 14, a chest pad 15 and a handle 16; one end of the main support rod 14 is connected with the base 1, and the other end is provided with a chest pad 15; the grip 16 is mounted to the front side wall of the main support bar 14. In using the leg training machine, the user can not only abut the chest against the chest pad 15, but also hold the grip 16 to improve stability. In order to adjust the height of the handle 16, a plurality of positioning holes are formed in the main support rod 14, and the handle 16 is detachably connected with the main support rod 14 through the positioning holes, so that the installation height of the handle 16 can be adjusted. In addition, the height of the breast pad 15 relative to the base 1 can be adjusted, and any means known in the art can be used for realizing the height adjustment, including a positioning hole forming manner similar to the handle 16, a built-in spring and positioner manner, and the like, and the details are not described.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Shank training ware, including the base with install the portion of gripping and the training portion on the base, its characterized in that:

two ends of the middle shaft respectively penetrate through the two dowel bars and are in force transmission connection with the dowel bars;

the upper end of the dowel bar is in force-transmitting connection with the damping device, and the lower end is provided with a leg pad;

2. The leg exerciser of claim 1, wherein the exercise section further includes a position adjustment device that is fixable at different positions along the axis of the dowel and is coupled to one end of the damping device.

3. The leg training device as claimed in claim 2, wherein the gear adjusting device comprises a fixed guide sleeve sleeved outside the dowel bar, a mounting hole is formed in the pipe wall of the fixed guide sleeve, a positioning hole matched with the mounting hole is formed in the dowel bar along the axial direction of the dowel bar, and a selective bolt sequentially penetrates through the mounting hole and the positioning hole so as to fix the gear adjusting device and the dowel bar.

4. The leg training device as claimed in claim 3, wherein the training part further comprises auxiliary frames symmetrically disposed at both sides of the main frame, both ends of the center shaft are rotatably connected to the auxiliary frames, and both free ends of the U-shaped frame connecting rod are respectively connected to the two auxiliary frames to fix the auxiliary frames.

5. The leg training aid of claim 4, wherein the auxiliary frame has an axle bearing, and the two ends of the middle axle are sleeved in the axle bearing.

6. The leg exerciser of claim 4, wherein the main frame is rotatably coupled to the central shaft by a sleeve bearing.

7. The leg exerciser of claim 4, wherein the damping device is selected from one of a spring, a weight, or a damping cylinder.

8. The leg exerciser of claim 7, wherein the damping means is a damping cylinder having one end hinged to the gear adjustment means and the other end hinged to the U-shaped frame connecting bar.

9. The leg exerciser of claim 1, wherein the grip is located in front of the exercise section, the grip including a main support bar, a chest pad, and a grip;

one end of the main supporting rod is connected with the base, and the other end of the main supporting rod is provided with the chest pad;

-the grip is mounted to the main support bar front side wall.

10. The leg training aid of claim 9 wherein the main support rod is provided with a plurality of mounting holes, and the handle is detachably connected to the main support rod through the mounting holes, so that the mounting height of the handle is adjustable.