CN217246529U

CN217246529U - Stretching device for track and field training

Info

Publication number: CN217246529U
Application number: CN202220231957.7U
Authority: CN
Inventors: 刘立
Original assignee: Harbin Vocational College of Science and Technology
Current assignee: Harbin Vocational College of Science and Technology
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-23
Anticipated expiration: 2032-01-27

Abstract

The utility model provides a draw gear is used in track and field training, device field is used in sports training, includes: the device comprises a stretching device, a load bearing device and supporting devices, wherein the upper end of the load bearing device is fixed with the stretching device, the upper end of the load bearing device is fixed with the supporting devices, the number of the supporting devices is two, the two supporting devices are symmetrically arranged, and the stretching device is positioned between the two supporting devices. The utility model discloses can solve and propose in the above-mentioned background art, current tensile mode can only stretch a position at every turn, and the longer discharge that is unfavorable for lactic acid of time, this device can stretch to sportsman's four limbs simultaneously, has shortened tensile time and more is favorable to the discharge of lactic acid, and this device can also be used to the training of sportsman's muscle simultaneously.

Description

Stretching device for track and field training

Technical Field

The utility model belongs to the device field is used in the sports training, especially a draw gear is used in track and field training.

Background

The track and field athletes need to stretch after exercise to promote blood circulation and discharge redundant lactic acid in muscles, so that subsequent training is prevented from being affected by muscle soreness; the existing stretching mode is that the athlete can stretch by himself, only one part of the stretch can be performed at a time, the legs or the arms are stretched, and the stretching time is long, so that the lactic acid is not beneficial to discharge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a draw gear for track and field training for solving the above-mentioned problem that prior art exists.

The purpose is achieved, the utility model adopts the following technical proposal:

a track and field training stretching device, comprising: the device comprises a stretching device, a load bearing device and supporting devices, wherein the upper end of the load bearing device is fixed with the stretching device, the upper end of the load bearing device is fixed with the supporting devices, the number of the supporting devices is two, the two supporting devices are symmetrically arranged, and the stretching device is positioned between the two supporting devices.

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

the utility model provides a draw gear is used in track and field training, the utility model discloses can solve and propose among the above-mentioned background art, current tensile mode can only stretch a position at every turn, and the longer discharge that is unfavorable for lactic acid of time, this device can stretch sportsman's four limbs simultaneously, has shortened tensile time and more is favorable to lactic acid's discharge, and this device can also be used to the training of sportsman's muscle simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic view of the stretching apparatus;

FIG. 3 is a schematic view of the weight-bearing device.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

A track and field training stretching device, comprising: stretching device 1, heavy burden device 2 and

strutting arrangement

3, 2 upper ends of heavy burden devices are fixed with

stretching device

1, 2 upper ends of heavy burden devices are fixed with strutting arrangement 3, strutting arrangement 3 sets up to two, two strutting arrangement 3 symmetry sets up, stretching device 1 is located two between the strutting arrangement 3.

The stretching device 1 includes: the novel hollow column comprises a hollow column 1-1, a solid column 1-2, a sliding block 1-3, connecting columns 1-4, handle sleeves 1-5, handles 1-6, hinged columns 1-7, sliding plates 1-8 and springs 1-9, wherein the solid column 1-2 is slidably sleeved in the hollow column 1-1, the sliding block 1-3 is slidably connected with the hollow column 1-1, one end of each connecting column 1-4 is fixedly connected with the upper end of the corresponding sliding block 1-3, the other end of each connecting column 1-4 is horizontally fixed with the corresponding handle sleeve 1-5, the connecting columns 1-4 are arranged in two numbers, the handles 1-6 are slidably sleeved in the handle sleeves 1-5 and are fixed through bolts, the handles 1-6 are arranged in two numbers, the two handles 1-6 are symmetrically arranged, the solid column 1-2 is fixedly connected with the handle sleeve 1-5, one end of each hinged column 1-7 is rotatably connected with the corresponding sliding block 1-3, the other end of each hinged column 1-7 is rotatably connected with the corresponding sliding plate 1-8, the number of the hinged columns 1-7 and the number of the sliding plates 1-8 are two, the two hinged columns 1-7 are symmetrically arranged by taking the hollow column 1-1 as a center, the two sliding plates 1-8 are symmetrically arranged by taking the hollow column 1-1 as a center, and the springs 1-9 are arranged inside the hollow column 1-1.

The weight device 2 comprises: the device comprises a box body 2-1, sliding devices 2-2, steel wires 2-3, rubber elastic ropes 2-4, sliding columns 2-5, springs 2-6 and guide wheels one 2-7, wherein the upper end of the box body 2-1 is fixedly connected with a hollow column 1-1, the sliding devices 2-2 are fixed on the inner side wall of the box body 2-1, the number of the sliding devices 2-2 is two, the two sliding devices 2-2 are symmetrically arranged, one end of each steel wire 2-3 is fixed with the corresponding sliding device 2-2, the other end of each steel wire 2-3 is fixed with a handle 1-6, the number of the steel wires 2-3 is two, the two steel wires 2-3 are respectively fixed with the two sliding devices 2-2, and the rubber elastic ropes 2-4 are fixed between the two sliding devices 2-2, the rubber elastic ropes 2-4 are arranged in a plurality of numbers, the upper end of the box body 2-1 is symmetrically and fixedly connected with two sliding columns 2-5, the two sliding columns 2-5 are respectively sleeved with a spring II 2-6, two opposite side faces of the box body 2-1 are respectively provided with a guide wheel I2-7 in a rotating mode, and the steel wire 2-3 is arranged on the guide wheel I2-7.

Both of the sliding devices 2-2 include: a guide post 2-2-1, a guide wheel II 2-2-2 and a connecting plate 2-2-3, one end of the guide post 2-2-1 is fixedly connected with the inner side wall of the box body 2-1, the number of the guide posts 2-2-1 is two, the two guide posts 2-2-1 are arranged up and down symmetrically, the connecting plate 2-2-3 is connected with the guide post 2-2-1 in a sliding way, the connecting plate 2-2-3 is fixedly connected with the rubber elastic rope 2-4, the guide wheel II 2-2-2 is rotatably connected with the guide post 2-2-1 at the upper end, the steel wire 2-3 is arranged on the guide wheel II 2-2-2, and one end of the steel wire 2-3 is fixedly connected with the connecting plate 2-2-3.

Both of the support devices 3 comprise: the support column 3-1 and the guide wheel III 3-2 are vertically fixed at the upper end of the box body 2-1, the guide wheel III 3-2 is rotatably arranged at the upper end of the support column 3-1, and the steel wire 2-3 is arranged on the guide wheel III 3-2.

The utility model discloses the theory of operation is:

the device is placed on a sports ground, after a player violently exercises, two feet respectively stand on sliding plates 1-8, the handle 1-6 is held by two hands, the width of the handle 1-6 can be adjusted by pulling the handle 1-6 towards two sides, the handle 1-6 is fixed by a bolt after being adjusted, then the handle 1-6 is pulled downwards by a crank arm of the player to drive a solid column 1-2 and a connecting column 1-4 to move downwards, the solid column 1-2 moves downwards along a hollow column 1-1, meanwhile, a spring 1-9 is compressed, the spring 1-9 plays a role of resetting, the connecting column 1-4 moves downwards to drive a sliding block 1-3 to slide downwards along the outer surface of the sliding block 1-3, the sliding block 1-3 moves to drive the sliding plates 1-8 to slide towards two sides along sliding columns 2-5 through a hinge column 1-7, meanwhile, the second spring 2-6 is compressed, the second spring 2-6 plays a role in resetting, the sliding plate 1-8 moves to drive the legs of the athlete to be separately stretched, then the athlete straightens the arms to push the handle 1-6 upwards, the handle 1-6 and the sliding plate 1-8 are driven to reset through the auxiliary action of the first spring 1-9 and the second spring 2-6, the limbs can be stretched simultaneously through continuous arm bending and straightening of the athlete, and the stretching time can be shortened; the handle 1-6 moves downwards and drives the connecting plate 2-2-3 to slide along the guide post 2-2-1 through the movable steel wire 2-3, meanwhile, the rubber elastic rope 2-4 is stretched, the rubber elastic rope 2-4 can exert certain tension when the athlete stretches, the training of the muscle of the athlete can be assisted, meanwhile, the reset connecting plate 2-2-3 is also used, and by increasing or reducing the number of the rubber elastic ropes 2-4, the tension can be adjusted, the tension is increased when the number of the rubber elastic ropes 2-4 is increased, the tension is reduced when the number of the rubber elastic ropes 2-4 is reduced, the guide wheel I2-7, the guide wheel II 2-2-2 and the guide wheel III 3-2 play a role in reducing the friction force of the steel wire 2-3, meanwhile, the supporting column 3-1 plays a role in supporting and limiting the supporting column 3-1.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stretching device is used in track and field training which characterized in that: the method comprises the following steps: stretching device (1), heavy burden device (2) and strutting arrangement (3), heavy burden device (2) upper end is fixed with stretching device (1), heavy burden device (2) upper end is fixed with strutting arrangement (3), strutting arrangement (3) set up to two, two strutting arrangement (3) symmetry sets up, stretching device (1) is located two between strutting arrangement (3).

2. The track and field training stretching device of claim 1, wherein: the stretching device (1) comprises: the hollow column (1-1), the solid column (1-2), the sliding block (1-3), the connecting column (1-4), the handle sleeve (1-5), the handle (1-6), the hinged column (1-7), the sliding plate (1-8) and the spring I (1-9), wherein the solid column (1-2) is sleeved in the hollow column (1-1) in a sliding manner, the sliding block (1-3) is connected with the hollow column (1-1) in a sliding manner, one end of the connecting column (1-4) is fixedly connected with the upper end of the sliding block (1-3), the other end of the connecting column (1-4) is horizontally fixed with the handle sleeve (1-5), the connecting columns (1-4) are arranged in two numbers, and the handles (1-6) are sleeved in the handle sleeve (1-5) in a sliding manner, the novel handle is fixed by using bolts, the number of the handles (1-6) is two, the handles (1-6) are symmetrically arranged, the solid columns (1-2) are fixedly connected with the handle sleeves (1-5), one ends of the hinged columns (1-7) are rotatably connected with the sliding blocks (1-3), the other ends of the hinged columns (1-7) are rotatably connected with the sliding plates (1-8), the number of the hinged columns (1-7) and the number of the sliding plates (1-8) are two, the hinged columns (1-7) are symmetrically arranged by taking the hollow columns (1-1) as centers, the number of the sliding plates (1-8) is symmetrically arranged by taking the hollow columns (1-1) as centers, and the springs (1-9) are arranged inside the hollow columns (1-1).

3. The track and field training stretching device of claim 2, wherein: the weight means (2) comprises: the device comprises a box body (2-1), two sliding devices (2-2), two steel wires (2-3), a rubber elastic rope (2-4), a sliding column (2-5), a spring II (2-6) and a guide wheel I (2-7), wherein the upper end of the box body (2-1) is fixedly connected with a hollow column (1-1), the inner side wall of the box body (2-1) is fixedly provided with the sliding devices (2-2), the number of the sliding devices (2-2) is two, the two sliding devices (2-2) are symmetrically arranged, one end of each steel wire (2-3) is fixed with the corresponding sliding device (2-2), the other end of each steel wire (2-3) is fixed with a handle (1-6), the number of the steel wires (2-3) is two, the two steel wires (2-3) are respectively fixed with the two sliding devices (2-2), rubber elastic ropes (2-4) are fixed between the two sliding devices (2-2), the number of the rubber elastic ropes (2-4) is multiple, the upper end of the box body (2-1) is symmetrically and fixedly connected with two sliding columns (2-5), the two sliding columns (2-5) are sleeved with springs (2-6), two outer side faces of the box body (2-1) are respectively provided with a guide wheel I (2-7) in a rotating mode, and the steel wires (2-3) are arranged on the guide wheel I (2-7).

4. The track and field training stretching device of claim 3, wherein: both of the sliding devices (2-2) comprise: one end of each guide pillar (2-2-1) is fixedly connected with the inner side wall of the box body (2-1), two guide pillars (2-2-2) and two connecting plates (2-2-3) are arranged, the two guide pillars (2-2-1) are arranged symmetrically up and down, the connecting plates (2-2-3) are connected with the guide pillars (2-2-1) in a sliding mode, the connecting plates (2-2-3) are fixedly connected with the rubber elastic ropes (2-4), the two guide pillars (2-2-2) are rotatably connected with the guide pillars (2-2-1) at the upper ends, and the steel wires (2-3) are arranged on the two guide pillars (2-2-2), one end of the steel wire (2-3) is fixedly connected with the connecting plate (2-2-3).

5. The track and field training stretching device of claim 3, wherein: both of said support means (3) comprise: the supporting device comprises supporting columns (3-1) and a third guide wheel (3-2), the supporting columns (3-1) are vertically fixed at the upper end of the box body (2-1), the third guide wheel (3-2) is arranged at the upper end of the supporting columns (3-1) in a rotating mode, and the steel wire (2-3) is arranged on the third guide wheel (3-2).