CN219001846U

CN219001846U - Elastic jumping stand

Info

Publication number: CN219001846U
Application number: CN202223443840.4U
Authority: CN
Inventors: 李盈池
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of physical education devices, in particular to an elastic high jump stand, which comprises a base, wherein a protective cushion is arranged at the top of the base, two groups of support frames are arranged at the top of the base and positioned in the protective cushion, rotating wheels are arranged at the tops of the two groups of support frames, force release mechanisms are arranged at the top of the base and positioned at the left side and the right side of the support frames, and elastic ropes are arranged in the two groups of force release mechanisms; the utility model relates to a high jump stand, which comprises a support frame, wherein the top of the support frame is provided with a sliding frame, the left side and the right side of the support frame are respectively provided with a sliding seat, the inside of the sliding frame is provided with two groups of limiting grooves, the inside of each limiting groove is provided with a shock absorber, the top of the sliding frame is provided with a through hole, and the top of the sliding frame is provided with a limiting hole.

Description

Elastic jumping stand

Technical Field

The utility model relates to the technical field of physical education devices, in particular to an elastic high jump stand.

Background

According to the prior art, in the process of physical education of schools, particularly in the process of physical education of basic schools, the used high jump stand is two vertical wooden poles marked by scales, and the used cross pole is only a simple bamboo pole; when the cross bar is skipped once, the cross bar can be knocked down, and a special person should pick up the knocked cross bar again and put the cross bar at the original position; frequently touching down the cross bars and picking up the cross bars can cause people to feel trouble, and the frequency of training of students is relatively reduced because the cross bars and the picking up cross bars are frequently touched down, and the students can fall down on the cross bars after falling to the ground, so that the students have certain danger;

through search, publication number: CN209848204U discloses an elastic high jump stand for sports teaching which is favorable to avoiding frequently dropping, and comprises a base, the inside through-connection of upper end of base has vertical support bar, and the inside through-connection of vertical support bar has the threaded rod, the lower extreme of threaded rod is rotated through driven runner and is connected in the lower extreme inside of vertical support bar, the surface threaded connection of threaded rod has the slider, and the right-hand member threaded connection of left slider has the left end of elastic cord, the inside through-connection of fixed block has winding pole, the upper end through-connection of winding pole has the dead lever, the upper end fixedly connected with collection box of vertical support bar, stay cord and protection pad's upper end are fixed connection; the elastic jump stand for physical education, which is beneficial to avoiding frequent falling, is convenient for adjusting the tightness of the elastic rope, simultaneously is convenient for adjusting the height of the elastic rope, is convenient for folding and folding the protective pad, avoids occupying space and is convenient to use;

with respect to the related art described above, the following drawbacks still exist during use: when the students fail in the high jump test, the weight of the students is pressed on the elastic rope, the load caused to the elastic rope is large, and the elastic rope is easy to crush under the condition of long-term use, so that the novel high jump stand is designed to change the technical defects, and the practicability of the whole high jump stand is improved.

Disclosure of Invention

The present utility model is directed to an elastic jumping stand, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the elastic high jump stand comprises a base, wherein a protective cushion is arranged at the top of the base, two groups of supporting frames are arranged at the top of the base and positioned in the protective cushion, rotating wheels are arranged at the tops of the two groups of supporting frames, force release mechanisms are arranged at the top of the base and positioned at the left side and the right side of the supporting frames, and elastic ropes are arranged in the two groups of force release mechanisms;

the force release mechanism comprises a sliding frame, the sliding frames are arranged at the top of the base and positioned on the left side and the right side of the supporting frame, two groups of sliding seats are arranged in the sliding frames, two groups of limiting grooves are formed in the top of the sliding seats, shock absorbers are arranged in the limiting grooves, through holes are formed in the top of the sliding frames, and limiting holes are formed in the top of the sliding seats.

As the preferable scheme of the utility model, the protective cushion is of a convex structural design, the protective cushion is made of nylon materials, and the inside of the protective cushion is filled with sponge.

As a preferable scheme of the utility model, sliding blocks are arranged on the left side and the right side of the sliding seat, and sliding grooves are formed in the inner side of the sliding frame and at positions corresponding to the sliding blocks.

As a preferable scheme of the utility model, the left side and the right side of the top of the support frame are respectively provided with a connecting rod, and the two groups of connecting rods are rotationally connected with the rotating wheels.

As a preferable scheme of the utility model, limit rings are sleeved on the front side and the rear side of the outer side of the rotating wheel, and the inner structure size between the two groups of limit rings is correspondingly arranged with the outer structure size of the elastic rope.

As a preferable scheme of the utility model, the elastic rope penetrates through the through hole and extends to the inside of the limit hole, the sliding frame is of arch-shaped structural design, the top of the shock absorber is connected with the bottom of the sliding frame, and the bottom of the shock absorber is connected with the top of the sliding seat.

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

according to the utility model, through the design of the support frame, the rotating wheel and the force release mechanism, when a student fails in a high jump test, the student presses the elastic rope, the elastic rope releases force through the force release mechanism, and the force release mechanism plays a role in damping and buffering the elastic rope, so that the elastic rope is prevented from being broken due to overlarge pressure applied to the elastic rope.

Drawings

FIG. 1 is a schematic view of the whole structure of the present utility model in a first state;

FIG. 2 is a schematic view of the overall structure of the second embodiment of the present utility model;

FIG. 3 is a schematic view of the force release mechanism of the present utility model.

In the figure: 1. a base; 2. a protective cushion; 3. a support frame; 301. a connecting rod; 4. a rotating wheel; 401. a limiting ring; 5. a force release mechanism; 501. a carriage; 502. a sliding seat; 503. a limit groove; 504. a damper; 505. a through hole; 506. a limiting hole; 507. a sliding block; 508. a sliding groove; 6. an elastic rope.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples

The embodiment provides an elasticity high jump frame, and this high jump frame is used for the student to carry out sports teaching, and this high jump frame can be fine solve the student and not with the problem of elastic cord pressure damage when jumping smoothly, can improve high jump frame's practicality.

The elastic high jump stand comprises a base 1, wherein a protective cushion 2 is arranged at the top of the base 1, two groups of supporting frames 3 are arranged at the top of the base 1 and positioned in the protective cushion 2, rotating wheels 4 are arranged at the tops of the two groups of supporting frames 3, force release mechanisms 5 are arranged at the top of the base 1 and positioned at the left side and the right side of the supporting frames 3, and elastic ropes 6 are arranged in the two groups of force release mechanisms 5;

connecting rods 301 are arranged on the left side and the right side of the top of the support frame 3;

limiting rings 401 are sleeved on the front side and the rear side of the outer side of the rotating wheel 4.

Further, firstly, place base 1 in assigned position department, the connected mode of two sets of support frames 3 and base 1 is threaded connection, install support frame 3 on base 1, protection cushion 2 is "protruding" font structural design, protection cushion 2 is made by nylon materials, and protection cushion 2's inside is filled with the sponge, lay protection cushion 2 at the top of base 1, make protection cushion 2 play the guard action to the student of mechanical detection, install one side of elastic rope 6 in letting out power mechanism 5, install the inside at another power mechanism 5 letting out with the opposite side of elastic rope 6, elastic rope 6 extends to the inside of two sets of rotation wheels 4 respectively at this moment, when the student is carrying out the jump test failure, rotation wheel 4 rotates this moment, the connected mode of two sets of connecting rods 301 and rotation wheel 4 is swivelling joint, connecting rod 301 plays the supporting role to rotation wheel 4, reduce the frictional force between elastic rope 6 and the support frame 3, the inside structure size between two sets of spacing rings 401 is corresponding setting with the outside structure size of elastic rope 6, simultaneously, the spacing ring 401 is played to the elastic rope 6 and is prevented when the elastic rope 6 from receiving the extrusion effect to fall.

Referring to fig. 1 to 3, the specific structure of the force release mechanism 5 is as follows:

the force release mechanism 5 comprises a sliding frame 501, sliding frames 501 are arranged at the top of the base 1 and are positioned at the left side and the right side of the supporting frame 3, sliding seats 502 are arranged in the two groups of sliding frames 501, two groups of limiting grooves 503 are formed in the top of the sliding seats 502, shock absorbers 504 are arranged in the two groups of limiting grooves 503, through holes 505 are formed in the top of the sliding frames 501, limiting holes 506 are formed in the top of the sliding seats 502, sliding blocks 507 are arranged at the left side and the right side of the sliding seats 502, and sliding grooves 508 are formed in the inner sides of the sliding frames 501 and in corresponding positions of the sliding blocks 507.

Furthermore, the elastic rope 6 penetrates through the through hole 505 and extends to the inside of the limiting hole 506, the elastic rope 6 penetrates through the through hole 505, the elastic rope 6 penetrates into the sliding frame 501, the elastic rope 6 penetrates into the limiting hole 506, the elastic rope 6 is fixed in the sliding seat 502, when the elastic rope 6 is subjected to external pressure through the force release mechanism 5 in use, the sliding seat 502 is pulled by the elastic rope 6 when the elastic rope 6 is subjected to external pressure, the sliding seat 502 moves in the sliding groove 508 through the sliding block 507, the sliding frame 501 is in an arch-shaped structural design, the sliding seat 502 ascends in the sliding frame 501, the top of the shock absorber 504 is connected with the bottom of the sliding frame 501, the bottom of the shock absorber 504 is connected with the top of the sliding seat 502, the shock absorber 504 is extruded when the sliding seat 502 ascends, the shock absorber 504 enters a contracted state, and the shock absorber 504 absorbs shock and buffers the elastic rope 6, so that the elastic rope 6 cannot collapse.

The working flow of the utility model is as follows: when the jump stand is used, firstly, the base 1 is placed at a designated position, the two groups of supporting frames 3 are connected with the base 1 in a threaded manner, the supporting frames 3 are installed on the base 1, the protection cushion 2 is paved on the top of the base 1, one side of the elastic rope 6 is installed in the force release mechanism 5, the other side of the elastic rope 6 is installed in the other force release mechanism 5, at the moment, the elastic rope 6 extends to the interiors of the two groups of rotating wheels 4 respectively, when a student fails in a jump test, the student extrudes the elastic rope 6, at the moment, the rotating wheels 4 rotate, the connecting rod 301 plays a supporting role on the rotating wheels 4, friction force between the elastic rope 6 and the supporting frames 3 is reduced, and meanwhile, the limiting ring 401 plays a limiting role on the elastic rope 6, so that the elastic rope 6 is prevented from sliding down when being extruded.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elasticity jumping stand, includes base (1), its characterized in that: the novel anti-theft protection device is characterized in that a protection soft cushion (2) is arranged at the top of the base (1), two groups of support frames (3) are arranged at the top of the base (1) and positioned in the protection soft cushion (2), rotating wheels (4) are arranged at the tops of the two groups of support frames (3), force release mechanisms (5) are arranged at the top of the base (1) and positioned at the left side and the right side of the support frames (3), and elastic ropes (6) are arranged in the two groups of force release mechanisms (5);

the utility model discloses a power release mechanism (5), including slide frame (501), the top of base (1) just is located the left and right sides of support frame (3) and all is provided with slide frame (501), two sets of the inside of slide frame (501) all is provided with sliding seat (502), two sets of spacing groove (503) have been seted up at the top of sliding seat (502), two sets of the inside of spacing groove (503) all is provided with bumper shock absorber (504), through-hole (505) have been seted up at the top of slide frame (501), spacing hole (506) have been seted up at the top of sliding seat (502).

2. The spring jumping stand of claim 1, wherein: the protection cushion (2) is of a convex structural design, the protection cushion (2) is made of nylon materials, and sponge is filled in the protection cushion (2).

3. The spring jumping stand of claim 1, wherein: sliding blocks (507) are arranged on the left side and the right side of the sliding seat (502), and sliding grooves (508) are formed in the inner side of the sliding frame (501) and at positions corresponding to the sliding blocks (507).

4. The spring jumping stand of claim 1, wherein: the left and right sides at support frame (3) top all is provided with connecting rod (301), and two sets of connecting rod (301) are rotation connection with the connected mode of rotor (4).

5. The spring jumping stand of claim 1, wherein: limiting rings (401) are sleeved on the front side and the rear side of the outer side of the rotating wheel (4), and the inner structure size between the two limiting rings (401) is correspondingly arranged with the outer structure size of the elastic rope (6).

6. The spring jumping stand of claim 1, wherein: the elastic rope (6) penetrates through the through hole (505) and extends to the inside of the limiting hole (506), the sliding frame (501) is of an arch-shaped structural design, the top of the shock absorber (504) is connected with the bottom of the sliding frame (501), and the bottom of the shock absorber (504) is connected with the top of the sliding seat (502).