CN108404364A - A kind of gymnastic training pressing-leg device - Google Patents

Abstract

The invention discloses a leg pressing device for gymnastics training, which comprises a box body, two sets of moving devices are fixedly connected to both ends of the box body, a support plate is arranged at the upper end of the box body, and a support plate is arranged in the middle of the support plate The lower end is fixedly connected with a moving rod, the lower end of the moving rod is provided with a first groove, the inside of the first groove is provided with a first threaded rod, and the first threaded rod is threaded with the inner wall of the first groove connected, the inner bottom of the box is fixedly connected with a base, the lower end of the first threaded rod is inserted into the inside of the base, the lower end of the first threaded rod is covered with a first bevel gear, and the first The bevel gear is fixedly connected to the first threaded rod, the upper end of the first bevel gear is provided with a second bevel gear meshed with the first bevel gear, and the end of the second bevel gear away from the first threaded rod is fixedly connected with a connecting shaft . The invention is convenient to move, can conveniently adjust the height of the support plate, and is suitable for gymnasts of different heights.

Description

Leg pressing device for gymnastics training

technical field

The invention relates to the technical field of gymnastics equipment, in particular to a leg presser for gymnastics training.

Background technique

"Gymnastics" in a broad sense is the general term for all gymnastics events. Modern Olympic gymnastics has three major items: competitive gymnastics, rhythmic gymnastics and trampoline. In addition, there are non-Olympic sports such as competitive aerobics and skill sports. Gymnastics in a narrow sense is "competitive gymnastics", which is a branch of gymnastics. Referred to as gymnastics. It is a sport that completes complex and coordinated movements on specified equipment, and is scored according to the score of the movement or the difficulty, arrangement and completion of the movement.

As a qualified gymnast needs a lot of training, leg press is a common training method, especially some gymnasts need to carry out leg press training for a long time. The existing method is to put the ankle on a horizontal support bar, and then put the body close to the leg. Since the support bars are generally fixed, and gymnasts have different heights, the support bar cannot be suitable for everyone. training.

Contents of the invention

The purpose of the present invention is to solve the problem in the prior art that the support rods used for training leg presses are generally fixed, and the heights of gymnasts are all different, resulting in the problem that the support rods cannot be suitable for everyone's training. The utility model relates to a leg pressing device for gymnastics training.

In order to achieve the above object, the present invention adopts the following technical scheme: a gymnastics training leg press device of the present invention includes a box body, two sets of moving devices are fixedly connected to the two ends of the box body, The upper end is provided with a support plate, and the lower end of the middle part of the support plate is fixedly connected with a moving rod. The lower end of the moving rod extends through the box body to the inside of the box body and is set with a limit tube. The upper end of the limit tube is connected to the box. The top of the body is fixedly connected, the lower end of the moving rod is provided with a first groove, the inside of the first groove is provided with a first threaded rod, and the first threaded rod is threadedly connected with the inner side wall of the first groove , the inner bottom end of the box is fixedly connected with a base, the lower end of the first threaded rod is inserted into the inside of the base, the lower end of the first threaded rod is covered with a first bevel gear, and the first bevel The gear is fixedly connected to the first threaded rod, the upper end of the first bevel gear is provided with a second bevel gear meshed with the first bevel gear, and the end of the second bevel gear away from the first threaded rod is fixedly connected with a connecting shaft, The other end of the connecting shaft is inserted in the inner wall of the box, the first gear is sheathed on the connecting shaft, the first gear is fixedly connected with the connecting shaft, and a turntable is arranged outside the box, One end of the turntable close to the box is fixedly connected with a rotating shaft, the other end of the rotating shaft runs through the box and is sleeved with a second gear, the second gear is fixedly connected with the rotating shaft, and the second gear meshes with the first gear , the lower end of the support plate is symmetrically fixedly connected with two limit rods, the lower ends of the two limit rods both penetrate the box body, and both ends of the limit rod are fixedly connected with the limit device.

In the above-mentioned leg pressing device for gymnastics training, a fixed plate is sleeved on the connecting shaft, the connecting shaft is rotatably connected to the fixed plate, the upper end of the fixed plate is fixedly connected to the top of the box, and the fixed plate The lower end of the shaft is fixedly connected with the bottom end of the box body, and the other end of the rotating shaft is inserted into the inside of the fixed plate.

In the above-mentioned leg pressing device for gymnastics training, the moving device includes a support block fixed at one end of the box, the upper end of the support block is provided with a rotating rod, and the lower end of the rotating rod is fixedly connected with a second threaded rod, The lower end of the second threaded rod passes through the supporting block and is fixedly connected with a moving block, and the lower end of the moving block is connected with a wheel.

In the above-mentioned leg press device for gymnastics training, the limiting device includes fixed blocks fixed at both ends of the limiting rod, and two fixed blocks are provided with fixing rods inside, and each of the two ends of the fixing rod All pass through the fixing block and are inserted into the inner wall of the box body.

In the aforementioned leg pressing device for gymnastics training, springs are fixedly connected to the lower ends of the two limiting rods.

In the aforementioned leg press device for gymnastics training, the upper end of the support plate is covered with a soft pad.

In the present invention, the rotating lever makes the wheels touch the ground, and the box leaves the ground, so that the box can be easily moved to the working position, and the turning lever is rotated in the opposite direction, so that the wheels are separated from the ground, the box touches the ground, and the turntable is rotated to drive the second gear. Rotation, through the first gear, the connecting shaft, the second bevel gear, and the first bevel gear to drive the threaded rod to rotate, because the first threaded rod and the first groove are threaded, and the two limit rods limit the deflection of the moving rod, so Drive the moving bar to move up and down, and adjust the position of the support plate to adapt to the height of the gymnast by adjusting the up and down movement of the moving bar. The invention is convenient to move, can conveniently adjust the height of the support plate, and is suitable for gymnasts of different heights.

Description of drawings

Fig. 1 is the structural representation of a kind of gymnastics training leg pressing device that the present invention proposes;

Fig. 2 is a side view structural schematic diagram of a leg press device for gymnastics training proposed by the present invention.

In the figure: 1 box body, 2 support plate, 3 cushion, 4 moving rod, 5 first threaded rod, 6 first bevel gear, 7 base, 8 second bevel gear, 9 connecting shaft, 10 first gear, 11 Rotating shaft, 12 second gear, 13 turntable, 14 fixed plate, 15 limit tube, 16 limit rod, 17 fixed block, 18 fixed rod, 19 spring, 20 support block, 21 second threaded rod, 22 rotating rod, 23 Move blocks.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

As shown in Fig. 1-2, a kind of gymnastics training leg pressing device of the present invention comprises box body 1, and the two ends of box body 1 all are fixedly connected with two groups of mobile devices, and mobile device comprises the box body 1 end that is fixed on Support block 20, the upper end of support block 20 is provided with rotating rod 22, and the lower end of rotating rod 22 is fixedly connected with second threaded rod 21, and the lower end of second threaded rod 21 runs through support block 20 and is fixedly connected with moving block 23, and moving block The lower end of 23 is connected with a wheel, rotate the rotating rod 22 to make the wheel touch the ground, and the box body 1 leaves the ground, so as to facilitate moving the box body 1 to the working position, reversely rotate the rotating rod 22, so that the wheel is separated from the ground, and the box body 1 touches the ground , thereby stabilizing the box 1.

The upper end of the box body 1 is provided with a support plate 2, and the upper end of the support plate 2 is covered with a cushion 3, which can protect the gymnast's feet, and the middle lower end of the support plate 2 is fixedly connected with a moving rod 4. The lower end runs through the box body 1 and extends to the inside of the box body 1 and is provided with a limit tube 15. The upper end of the limit tube 15 is fixedly connected with the top of the box body 1. The limit tube 15 can ensure the stability of the moving rod 4 when it moves. The lower end of the rod 4 is provided with a first groove, the inside of the first groove is provided with a first threaded rod 5, the first threaded rod 5 is screwed to the inner side wall of the first groove, and the inner bottom of the box body 1 is fixedly connected There is a base 7, the lower end of the first threaded rod 5 is inserted inside the base 7, the lower end of the first threaded rod 5 is provided with a first bevel gear 6, the first bevel gear 6 is fixedly connected with the first threaded rod 5, the second The upper end of a bevel gear 6 is provided with a second bevel gear 8 meshing with the first bevel gear 6, and the second bevel gear 8 is fixedly connected with a connecting shaft 9 at one end away from the first threaded rod 5, and the other end of the connecting shaft 9 is inserted In the inner wall of the box body 1, a first gear 10 is sheathed on the connecting shaft 9, and the first gear 10 is fixedly connected with the connecting shaft 9. A turntable 13 is provided outside the box body 1, and the turntable 13 is close to one end of the box body 1. A rotating shaft 11 is fixedly connected, and the other end of the rotating shaft 11 runs through the box body 1 and is sheathed with a second gear 12 , the second gear 12 is fixedly connected with the rotating shaft 11 , and the second gear 12 meshes with the first gear 10 .

A fixed plate 14 is sleeved on the connecting shaft 9, and the connecting shaft 9 is rotationally connected with the fixed plate 14. The upper end of the fixed plate 14 is fixedly connected with the top of the box body 1, and the lower end of the fixed plate 14 is fixedly connected with the bottom end of the box body 1. The other end of the rotating shaft 11 is inserted inside the fixed plate 14, and the rotating disk 13 drives the rotating shaft 11 to rotate, thereby causing the second gear 12 to rotate. Because the second gear 12 meshes with the first gear 10, the first gear 10 is driven to rotate. , so that the connecting shaft 9 rotates, driving the second bevel gear 8 to rotate, because the second bevel gear 8 meshes with the first bevel gear 6, so it drives the first bevel gear 6 to rotate, thereby driving the first threaded rod 5 to rotate, and the support plate 2 The lower end of the lower end is symmetrically fixedly connected with two limit rods 16, and the lower ends of the two limit rods 16 are fixedly connected with a spring 19, and the spring 19 has a certain supporting effect, supports the limit rod 16, and the lower ends of the two limit rods 16 All run through the box body 1, and the two ends of the limit rod 16 are fixedly connected with the limit device, the limit device includes a fixed block 17 fixed at the two ends of the limit rod 16, and the inside of the two fixed blocks 17 is provided with a fixed rod 18, The two ends of each fixed rod 18 all pass through the fixed block 17 and are inserted in the inner wall of the box body 1. The fixed block 17 slides on the fixed rod 18 to play a position-limiting role, so that the movement of the position-limiting rod 16 is more stable. , to prevent offset, the first threaded rod 5 rotates, because the first threaded rod 5 and the first groove on the moving rod 4 are threaded, so the moving rod 4 rotates up or down, because the limit of the two limit rods 16 effect, so the moving bar 4 only moves up and down without rotation, the height of the moving bar 4 can be adjusted through the turntable 13, and gymnasts can adjust according to their own height needs and train step by step.

In the present invention, the rotating rod 22 is rotated to make the wheels touch the ground, and the box body 1 is away from the ground, so that the box body 1 can be easily moved to the working position, and the rotating rod 22 is rotated in the opposite direction, so that the wheels are separated from the ground, the box body 1 touches the ground, and the turntable is rotated 13. Drive the second gear 12 to rotate, and drive the threaded rod 5 to rotate through the first gear 10, the connecting shaft 9, the second bevel gear 8, and the first bevel gear 6, because the first threaded rod 5 is threadedly connected to the first groove, Two limit rods 16 limit the deflection of the moving rod 4, so the moving rod 4 is driven to move up and down, and by adjusting the moving up and down of the moving rod 4, the position of the support plate 2 is adjusted to adapt to the height of the gymnast.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of gymnastic training pressing-leg device, including babinet（1）, which is characterized in that the babinet（1）Both ends fixed connect It is connected to two groups of mobile devices, the babinet（1）Upper end be equipped with support plate（2）, the support plate（2）Middle part lower end fix connect It is connected to mobile bar（4）, the mobile bar（4）Lower end run through babinet（1）Extend to babinet（1）Inside and be arranged with position-limiting tube （15）, the position-limiting tube（15）Upper end and babinet（1）Top be fixedly connected, the mobile bar（4）Lower end offer One groove, first groove are internally provided with the first threaded rod（5）, first threaded rod（5）With the inside of the first groove Wall is threadedly coupled, the babinet（1）Inner bottom be fixedly connected with pedestal（7）, first threaded rod（5）Lower end plug In pedestal（7）Inside, first threaded rod（5）Lower end be arranged with first bevel gear（6）, the first bevel gear（6） With the first threaded rod（5）It is fixedly connected, the first bevel gear（6）Upper end be equipped with and first bevel gear（6）The second of engagement Bevel gear（8）, the second bevel gear（8）Far from the first threaded rod（5）One end be fixedly connected with connecting shaft（9）, the company Spindle（9）The other end be plugged in babinet（1）Madial wall in, the connecting shaft（9）On be arranged with first gear（10）, described First gear（10）With connecting shaft（9）It is fixedly connected, the babinet（1）Outside be equipped with turntable（13）, the turntable（13）It leans on Nearly babinet（1）One end be fixedly connected with shaft（11）, the shaft（11）The other end run through babinet（1）And it is arranged with second Gear（12）, the second gear（12）With shaft（11）It is fixedly connected, the second gear（12）With first gear（10）It nibbles It closes, the support plate（2）Lower end be symmetrically fixedly connected there are two gag lever post（16）, two gag lever posts（16）Lower end it is equal Through babinet（1）, the gag lever post（16）Both ends be fixedly connected with limiting device.

2. gymnastic training pressing-leg device according to claim 1, which is characterized in that the connecting shaft（9）On be arranged with Fixed plate（14）, the connecting shaft（9）With fixed plate（14）Rotation connection, the fixed plate（14）Upper end and babinet（1）'s Top is fixedly connected, the fixed plate（14）Lower end and babinet（1）Bottom end be fixedly connected, the shaft（11）The other end It is plugged in fixed plate（14）Inside.

3. gymnastic training pressing-leg device according to claim 1, which is characterized in that the mobile device includes being fixed on Babinet（1）The supporting block of one end（20）, the supporting block（20）Upper end be equipped with bull stick（22）, the bull stick（22）Lower end it is solid Surely it is connected with the second threaded rod（21）, second threaded rod（21）Lower end run through supporting block（20）And it is fixedly connected with movement Block（23）, the movable block（23）Lower end be connected with wheel.

4. gymnastic training pressing-leg device according to claim 1, which is characterized in that the limiting device includes being fixed on Gag lever post（16）The fixed block at both ends（17）, two fixed blocks（17）Inside be equipped with fixed link（18）, each described Fixed link（18）Both ends run through fixed block（17）And it is plugged in babinet（1）Madial wall in.

5. gymnastic training pressing-leg device according to claim 1, which is characterized in that two gag lever posts（16）Under End has been fixedly connected with spring（19）.

6. gymnastic training pressing-leg device according to claim 1, which is characterized in that the support plate（2）Upper end patch It is covered with cushion（3）.