CN211513427U

CN211513427U - Reduce sports teaching of striking injury with hurdle

Info

Publication number: CN211513427U
Application number: CN201921903670.9U
Authority: CN
Inventors: 张海利
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-18
Anticipated expiration: 2029-11-06

Abstract

A hurdle frame for physical education for reducing impact injury relates to the technical field of physical education, wherein a plurality of outer baffles are distributed and fixed at the lower end of a railing block in an annular manner; the inner baffles are distributed and fixed at the lower end of the railing block in an annular manner and are positioned at the inner sides of the outer baffles; the upper end of the second spring is fixed at the lower end of the railing block, and the second spring is positioned between the inner baffle and the outer baffle; a limiting block is fixed at the lower end of the second spring, and the interior of the limiting block is of a hollow structure; the lower end of the limiting block is fixed at the upper end of the railing block below, the railing is of a non-integrated structure, the whole railing is bent when being impacted, students are prevented from directly impacting the railing, injury is reduced, and the students are prevented from being stumbled; the height and the width of the breast board can be adjusted, so that the training requirements of students at different stages can be met.

Description

Reduce sports teaching of striking injury with hurdle

Technical Field

The utility model relates to a sports training technical field, concretely relates to reduce sports teaching of striking injury with striding hurdle.

Background

The technical performance of the hurdle is strong, and the hurdle not only requires speed and endurance, but also needs quite good bouncing force, flexibility and flexibility; because hurdle technology is difficult to master and sometimes causes trauma, students generate psychological burden of hurdle fear, and the hurdle is unfavorable for completing teaching tasks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hurdle frame for physical education which can reduce impact injury aiming at the defects and shortcomings of the prior art, the hurdle frame is of a non-integrated structure, the whole hurdle is bent when impacted, students are prevented from directly and straightly impacting the hurdle, and the injury is reduced; when the student cannot stride across the sideboard, the sideboard can be kicked off by the student to hang the hook, thereby preventing the student from stumbling; the height and the width of the breast board can be adjusted, so that the training requirements of students at different stages can be met.

In order to achieve the above object, the utility model adopts the following technical scheme: the guardrail comprises a guardrail, a hook, a guardrail plate, a first base, a second base and a cross rod; the handrail consists of a plurality of handrail blocks, a first spring, an outer baffle, a second spring and a limiting block; the railing block is of a cylindrical structure; the upper end of the railing block is provided with a first hole, and the lower end of the railing block is provided with a second hole; one end of a first spring is fixed at the inner end of the second hole, and the other end of the first spring is arranged in the first hole of the lower railing block; a plurality of outer baffles are distributed and fixed at the lower end of the railing block in an annular shape; the inner baffles are distributed and fixed at the lower end of the railing block in an annular manner and are positioned at the inner sides of the outer baffles; the upper end of the second spring is fixed at the lower end of the railing block, and the second spring is positioned between the inner baffle and the outer baffle; a limiting block is fixed at the lower end of the second spring, and the interior of the limiting block is of a hollow structure; the lower end of the limiting block is fixed at the upper end of the railing block below;

a hook is fixed on the inner side of the railing block; a hook is fixed on the inner side of the railing block; the fence plate comprises a left fence block, a middle fence block, a right fence block, a connecting block and a rotating shaft; the left end of the left rail block and the right end of the right rail block are both provided with square holes, and the rail plate is hung on the hook through the square holes; the right-hand member of left side fence piece, the left and right sides both ends of well fence piece and the left end of right fence piece all set up flutedly, the connecting block connects in two adjacent recesses through the pivot soon.

Further, the breast board replace for the horizontal pole, the horizontal pole both ends all seted up the square hole, and the length of horizontal pole is less than the breast board setting, when the width of training needs to reduce, the horizontal pole is hung through this square hole and is established on the couple.

Furthermore, the first base is fixed at one end of the first connecting rod, and the other end of the first connecting rod is fixed on the rear side wall of the pedal; a second connecting rod is fixed on the front side of the second base, and a sliding block is fixed at the other end of the second connecting rod; the right rear end of the pedal is provided with a sliding groove, and the sliding block is arranged in the sliding groove in a sliding manner; when the width between two railings reduces, No. two connecting rods drive the slider and slide in the spout.

Furthermore, the lower end of the first base is fixed with a rubber pad.

Furthermore, a handle is fixed on the left side of the first base and the right side of the second base.

Furthermore, a plurality of inner baffles are distributed and fixed at the lower end of the railing block in an annular shape, and the inner baffles are positioned at the inner side of the limiting block.

Furthermore, wrap angles are fixedly adhered to four corners of the first base and the second base.

After the structure is adopted, the utility model discloses beneficial effect does: the utility model relates to a sports teaching hurdle frame for reducing impact injury, which has a non-integrated structure of a railing, the whole railing is bent when the hurdle is impacted, students are prevented from directly impacting the railing straightly and straightly, and the injury is reduced; when the student cannot stride across the sideboard, the sideboard can be kicked off by the student to hang the hook, thereby preventing the student from stumbling; the height and the width of the breast board can be adjusted, so that the training requirements of students at different stages can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a right side view of fig. 1.

Fig. 4 is a schematic structural diagram of the second embodiment.

Fig. 5 is a schematic bottom structure diagram of the middle rail block of the present invention.

Fig. 6 is a schematic structural diagram of the middle rail block of the present invention when connected.

Fig. 7 is an enlarged view of a portion a of fig. 2.

Fig. 8 is a schematic structural diagram of the middle connecting block and the middle rail block of the present invention.

Description of reference numerals:

the guardrail comprises a guardrail block 1, a first hole 2, a second hole 3, a first spring 4, an outer baffle 5, an inner baffle 6, a second spring 7, a limiting block 8, a guardrail 9, a hook 10, a guardrail plate 11, a left guardrail block 11-1, a middle guardrail block 11-2, a right guardrail block 11-3, a connecting block 11-4, a rotating shaft 11-5, a first base 12, a second base 13, a cross rod 14, a first connecting rod 15, a pedal 16, a second connecting rod 17, a sliding block 18, a sliding groove 19, a rubber pad 20, a handle 21 and a wrap angle 22.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-3 and fig. 5-8, the present embodiment includes a rail block 1, a first hole 2, a second hole 3, a first spring 4, an outer baffle 5, an inner baffle 6, a second spring 7, a limiting block 8, a rail 9, a hook 10, a fence 11, a first base 12, a second base 13, a cross bar 14, a first connecting rod 15, a pedal 16, a second connecting rod 17, a sliding block 18, a sliding groove 19, a rubber pad 20, a handle 21, and a wrap angle 22; the handrail 9 consists of a plurality of handrail blocks 1, a first spring 4, an outer baffle 5, a second spring 7 and a limiting block 8; the railing block 1 is of a cylindrical structure; the upper end of the railing block 1 is provided with a first hole 2, and the lower end of the railing block 1 is provided with a second hole 3; one end of a first spring 4 is fixedly welded at the inner end of the second hole 3, and the other end of the first spring 4 is welded in the first hole 2 of the lower railing block 1; a plurality of outer baffles 5 are distributed in a ring shape and welded and fixed at the lower end of the railing block 1; a plurality of inner baffles 6 are distributed in a ring shape and welded and fixed at the lower end of the railing block 1, and the inner baffles 6 are positioned at the inner side of the outer baffle 5; the upper end of the second spring 7 is welded and fixed at the lower end of the railing block 1, and the second spring 7 is positioned between the inner baffle 6 and the outer baffle 5; a limiting block 8 is fixedly welded at the lower end of the second spring 7, and the inside of the limiting block 8 is of a hollow structure; the lower end of the limiting block 8 is welded and fixed at the upper end of the lower railing block 1; when a student strikes the railing 9, the second spring 7 in the back force direction is compressed under the action of the striking force on the other side of the struck railing block 1, the limiting block 8 is pressed into the inner baffle 6 and the outer baffle 5, the whole railing 9 is bent, the student is prevented from directly striking the railing 9, and the injury is reduced;

a hook 10 is fixedly welded on the inner side of the railing block 1; a hook 10 is fixed on the inner side of the railing block 1; the railing panel 11 comprises a left railing block 11-1, a middle railing block 11-2, a right railing block 11-3, a connecting block 11-4 and a rotating shaft 11-5; the left end of the left rail block 11-1 and the right end of the right rail block 11-3 are both provided with square holes, and the rail plate 11 is hung on the hook 10 through the square holes; grooves are formed in the right end of the left rail block 11-1, the left end and the right end of the middle rail block 11-2 and the left end of the right rail block 11-3, and the connecting block 11-4 is screwed in the two adjacent grooves through the rotating shaft 11-5; the breast board 11 can fall off the hook 10 when being impacted, and the breast board 11 is not a hard board, so that the impact can be reduced;

the first base 12 is welded and fixed on one end of a first connecting rod 15, and the other end of the first connecting rod 15 is welded and fixed on the rear side wall of the pedal 16; a second connecting rod 17 is fixedly welded on the front side of the second base 13, and a sliding block 18 is fixedly welded on the other end of the second connecting rod 17; the right rear end of the pedal 16 is provided with a sliding groove 19, and the sliding block 18 is arranged in the sliding groove 19 in a sliding manner; when the width between the two railings 9 is reduced, the second connecting rod 17 drives the sliding block 18 to slide in the sliding groove 19; the first base 12 is fixedly adhered with a rubber pad 20 which plays a role of buffering and protecting when the student falls; handles 21 are welded and fixed on the left side of the first base 12 and the right side of the second base 13, so that the movement and position adjustment are facilitated; wrap corners 22 are stuck and fixed on four corners of the first base 12 and the second base 13, so that bruising is prevented.

The working principle of the specific embodiment is as follows: in the hurdling training, students often can be seriously injured due to the fact that the students hit the railing 9, when the students hit the railing 9, the other side of the hit railing block 1 is under the action of the hitting force, the second spring 7 in the back force direction is compressed, the limiting block 8 is pressed into the inner baffle 6 and the outer baffle 5, the middle hit railing block 1 is inclined under the action of the first spring 4 to drive the railing block 1 above to incline, so that the whole railing 9 is bent, the students are prevented from hitting the railing 9 straightly, and injury is reduced; simultaneously, the student is bumping into sideboard 11 and the condition of injury is also more, and when the student did not stride across sideboard 11, sideboard 11 can be played down couple 10 by the student to avoid the student to be stumbled, and 11 non-hardboards of sideboard can reduce the impact: when the height of the breast board 11 needs to be adjusted, the breast board 11 is taken down from the hook 10, and the height is selected according to actual needs; when the width between the two railings 9 needs to be reduced, the inserting pin 19 is taken down, the second base 13 moves forwards under the action of the first connecting rod 20, the second base 13 and the third base 15 move towards the left side, the middle railing block 11-2 is folded in sequence, the inserting pin 19 penetrates through the through hole and the second adjusting hole 18, so that the width of the railings 9 is reduced, the cross rod 14 is replaced, and the cross rod 14 is hung on the hook 10 through the square hole; the front is provided with a pedal 21, and the pedal 21 can prompt the distance of the student to rise and stride and provide power for the rise and stride at the same time.

After adopting above-mentioned structure, this embodiment's beneficial effect does:

1. the handrail 9 is of a non-integrated structure, so that the whole handrail 9 is bent when being impacted, students are prevented from impacting the handrail 9 straightly and straightly, and damage is reduced;

2. the baffle plate 11 is hung on the hook 10, when the student cannot stride across the baffle plate 11, the baffle plate 11 can be kicked off the hook 10 by the student, thereby preventing the student from tripping over;

3. the height and the width of the breast board 11 can be adjusted, so that the training requirements of students at different stages can be met.

The second embodiment is as follows:

referring to fig. 4, the present embodiment differs from the first embodiment in that: when the training width needs to be reduced, the breast board 11 is taken down, the second base 13 is moved to the left, and the cross bar 14 is replaced; square holes are formed in two ends of the cross rod 14, the length of the cross rod 14 is smaller than that of the breast board 11, and the cross rod 14 is hung on the hook 10 through the square holes; the rest of the structure and the connection relationship are the same as those of the first embodiment.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a reduce sports teaching of striking injury is with hurdle, its characterized in that: the novel guardrail comprises a guardrail (9), a hook (10), a guardrail plate (11), a first base (12), a second base (13) and a cross rod (14); the handrail (9) consists of a plurality of handrail blocks (1), a first spring (4), an outer baffle (5), a second spring (7) and a limiting block (8); the railing block (1) is of a cylindrical structure; the upper end of the railing block (1) is provided with a first hole (2), and the lower end of the railing block (1) is provided with a second hole (3); one end of a first spring (4) is fixed at the inner end of the second hole (3), and the other end of the first spring (4) is arranged in a first hole (2) of the lower railing block (1); a plurality of outer baffles (5) are distributed and fixed at the lower end of the railing block (1) in an annular shape; a plurality of inner baffles (6) are distributed and fixed at the lower end of the railing block (1) in an annular manner, and the inner baffles (6) are positioned at the inner side of the outer baffle (5); the upper end of the second spring (7) is fixed at the lower end of the railing block (1), and the second spring (7) is positioned between the inner baffle (6) and the outer baffle (5); a limiting block (8) is fixed at the lower end of the second spring (7), and the inside of the limiting block (8) is of a hollow structure; the lower end of the limiting block (8) is fixed at the upper end of the lower railing block (1);

a hook (10) is fixed on the inner side of the railing block (1); a hook (10) is fixed on the inner side of the railing block (1); the fence plate (11) comprises a left fence block (11-1), a middle fence block (11-2), a right fence block (11-3), a connecting block (11-4) and a rotating shaft (11-5); the left end of the left rail block (11-1) and the right end of the right rail block (11-3) are both provided with square holes, and the rail plate (11) is hung on the hook (10) through the square holes; the right end of the left rail block (11-1), the left end and the right end of the middle rail block (11-2) and the left end of the right rail block (11-3) are respectively provided with a groove, and the connecting block (11-4) is screwed in the two adjacent grooves through the rotating shaft (11-5).

2. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: sideboard (11) replace for horizontal pole (14), horizontal pole (14) both ends all seted up the square hole, and the length of horizontal pole (14) is less than sideboard (11) setting, when the width of training needs to reduce, horizontal pole (14) are hung through this square hole and are established on couple (10).

3. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: the first base (12) is fixed on one end of the first connecting rod (15), and the other end of the first connecting rod (15) is fixed on the rear side wall of the pedal (16); a second connecting rod (17) is fixed on the front side of the second base (13), and a sliding block (18) is fixed at the other end of the second connecting rod (17); a sliding groove (19) is formed in the right rear end of the pedal (16), and the sliding block (18) is arranged in the sliding groove (19) in a sliding mode.

4. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: a rubber pad (20) is fixed on the first base (12).

5. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: handles (21) are fixed on the left side of the first base (12) and the right side of the second base (13).

6. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: the plurality of inner baffles (6) are distributed and fixed at the lower end of the railing block (1) in an annular shape, and the inner baffles (6) are positioned at the inner side of the limiting block (8).

7. A sports teaching hurdle for reducing impact injuries as claimed in claim 1, further comprising: and wrap angles (22) are fixedly adhered to four corners of the first base (12) and the second base (13).