CN212731065U

CN212731065U - Rail is striden to track and field

Info

Publication number: CN212731065U
Application number: CN202021743111.9U
Authority: CN
Inventors: 蒋国荣
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-19
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a sport equipment technical field, concretely relates to railing is striden to track and field, include: a fixed seat, on which a balancing weight is arranged; the lower end of the lifting column is hinged with one end of the fixed seat, and a first angle adjusting device is arranged between the lifting column and the fixed seat and used for adjusting an included angle between the lifting column and the fixed seat; one end of the cross rod is hinged with the upper end of the lifting column. And a second angle adjusting device is arranged between the cross rod and the lifting column and used for adjusting an included angle between the lifting column and the cross rod. The utility model has the advantages of the cross railing that adopts the single pole form is very portable when daily sports training, also can not occupy very big space and low in production cost cheap, convenient to popularize and use when depositing.

Description

Rail is striden to track and field

Technical Field

The utility model relates to a sport equipment technical field, concretely relates to railing is striden to track and field.

Background

The hurdling sport is a kind of track and field sport, which means that a certain number and height of railings are spanned in a certain distance, and the hurdling sport is a very explosive sport. The exercise is also carried out in daily physical education, which aims to culture willpower and explosive power of teenagers.

The railing is striden in present track and field mostly sets up the horizontal pole on the bracing piece on both sides and constitutes, and this kind of two rod-types is striden the railing and is very inconvenient when the daily physical training of school carries, and the space that needs when depositing is also very big, inconvenient transportation on the runway when using, and this kind is striden the railing and can not bring the facility for teachers and students, influences teaching efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that exists among the above-mentioned prior art, providing a railing is striden to track and field, can solve the unsafe problem of prior art midspan railing.

The technical scheme of the utility model is that:

a track span rail, comprising:

a fixed seat, on which a balancing weight is arranged;

the lower end of the lifting column is hinged with one end of the fixed seat;

the first angle adjusting device is arranged between the lifting column and the fixed seat and used for adjusting an included angle between the lifting column and the fixed seat;

one end of the cross rod is hinged with the upper end of the lifting column;

and the angle adjusting device II is arranged between the cross rod and the lifting column and is used for adjusting an included angle between the lifting column and the cross rod.

Preferably, the lifting column is a multi-stage lifting structure, and the lifting column includes:

the first lifting column is of a hollow structure, is arranged on the fixed seat, and is symmetrically provided with positioning holes at two sides along the length direction;

the second lifting column is of a hollow structure, is sleeved in the first lifting column and is hung on the positioning hole through the elastic pressing buckle, and a hole is formed in the position, corresponding to the elastic pressing buckle, of the second lifting column;

the third lifting column is of a hollow structure and is sleeved in the second lifting column, the upper end of the third lifting column is arc-shaped, a through groove is formed in the direction perpendicular to the third lifting column, and through holes are formed in two sides of the direction perpendicular to the through groove in the upper end of the third lifting column.

Preferably, the elastic pressing buckle comprises:

the number of the elastic buttons is two, the two elastic buttons are respectively and symmetrically arranged along two sides of the length direction of the second lifting column, and the elastic buttons penetrate through holes of the second lifting column and extend into the second lifting column;

the pressing plate is vertically fixed at the lower end of the elastic button;

and the number of the hanging blocks is not less than four, the hanging blocks are uniformly fixed on the pressing plate, and the hanging blocks penetrate through the holes of the second lifting column and extend to the outside of the second lifting column.

Preferably, the first angle adjusting device is a sliding support limiter, and the sliding support limiter includes:

the sliding chute is arranged along the length direction of the fixed seat;

the first sliding block is clamped in the sliding groove and is in sliding connection with the sliding groove;

the second sliding block is clamped in the sliding groove and is in sliding connection with the sliding groove;

the two elastic buckles are symmetrically fixed on two sides of the first sliding block and used for limiting;

one end of the first support rod is hinged with the first sliding block, and the other end of the first support rod is hinged with the first lifting column;

one end of the second support rod is hinged with the first support rod, and the other end of the second support rod is hinged with the second sliding block.

Preferably, the adjustable angle range of the sliding support limiter is 0-90 degrees.

Preferably, the second angle adjusting device includes:

the outer walls of two ends of the fixed shaft are provided with external threads, and the fixed shaft is matched with the through hole of the third lifting column;

the number of the nuts is two, and the nuts are in threaded connection with the external threads of the fixed shaft;

the sleeve is sleeved in the middle of the fixed shaft, the circumference of the sleeve is fixed with the cross rod, and the central line of the sleeve is perpendicular to the central line of the cross rod.

Compared with the prior art, the utility model provides a pair of railing is striden to track and field, its beneficial effect is:

the folding contraction structure in the form of the single rod is adopted, so that the cross railing is portable in daily use, does not occupy a large space, and does not consume a large amount of manpower during transportation on a runway. Compared with the common double-rod type hurdle rod, the single-rod type hurdle rod is more economical and practical and is suitable for being used in daily physical training.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic connection diagram of the sliding support stopper of the present invention;

fig. 3 is a schematic view of the elastic pressing buckle of the present invention;

fig. 4 is a schematic view of a second angle adjustment device of the present invention;

fig. 5 is a partial schematic view of the third lifting column connected to the cross bar according to the present invention.

Detailed Description

The utility model provides a railing is striden in track and field, below combine the structure schematic diagram of fig. 1 to fig. 5, right the utility model discloses explain, nevertheless should understand the utility model discloses a protection scope does not receive embodiment's restriction.

Example 1

As shown in fig. 1, the utility model provides a railing is striden to track and field, include: the fixing seat 1 is provided with a balancing weight, the fixing seat 1 is of a cavity structure, and the balancing weight is transversely placed in the fixing seat; the lower end of the lifting column is hinged with one end of the fixed seat 1, and a first angle adjusting device is arranged between the lifting column and the fixed seat 1 and used for adjusting an included angle between the lifting column and the fixed seat 1; one end of the cross rod 5 is hinged with the upper end of the lifting column, and a second angle adjusting device 6 is arranged between the cross rod 5 and the lifting column and used for adjusting an included angle between the lifting column and the cross rod 5.

Further, the lift post is multistage elevation structure, the lift post includes: the first lifting column 2 is of a hollow structure, is arranged on the fixed seat 1, and is symmetrically provided with positioning holes at two sides along the length direction; the second lifting column 3 is of a hollow structure, is sleeved in the first lifting column 2 and is hung on the positioning hole through an elastic pressing buckle, and a hole is formed in the position, corresponding to the elastic pressing buckle, of the second lifting column 3; third lift post 4, for hollow structure, the suit has logical groove for 4 directions of arc and perpendicular to third lift post in second lift post 3, open the direction both sides that the perpendicular logical groove in third lift post 4 upper end has the through-hole.

Further, the elasticity is pressed the buckle and is included: the number of the elastic buttons 31 is two, the two elastic buttons are respectively and symmetrically arranged along two sides of the length direction of the second lifting column 3, and the elastic buttons 31 penetrate through the holes of the second lifting column 3 and extend into the second lifting column 3; a pressing plate 32 vertically fixed at the lower end of the elastic button 31; the hanging and connecting blocks 33 are not less than four and are uniformly fixed on the pressing plate 32, and the hanging and connecting blocks 33 penetrate through holes of the second lifting columns 3 and extend to the outside of the second lifting columns 3 to be used for adjusting the height and hanging and connecting the hanging and connecting blocks to the holes with different heights according to different heights and training requirements.

Wherein the elastic pressing device is shown in fig. 3, the connection mode of the second lifting column 3 and the first lifting column 2 is as follows: pressing elastic button 31, hanging piece 33 on the relative clamp plate 32 can retract, hang hanging piece 33 on second lift post 3 to the locating hole of first lift post 2 on the height as required, and the connected mode of third lift post is also that the buckle is pressed through the elasticity and spacing.

Further, the first angle adjusting device is a sliding support limiter, and the sliding support limiter as shown in fig. 2 includes: the sliding chute 11 is arranged along the length direction of the fixed seat 1; the first sliding block 12 is clamped in the sliding groove 11 and is in sliding connection with the sliding groove 11; the second sliding block 13 is clamped in the sliding groove 11 and is in sliding connection with the sliding groove 11; the two elastic buckles 14 are symmetrically fixed on two sides of the first sliding block 12 and used for limiting; one end of the first support rod 15 is hinged with the first slide block 12, and the other end of the first support rod is hinged with the support column 2; one end of the second support rod 16 is hinged with the first support rod 15, and the other end of the second support rod is hinged with the second sliding block 13.

Furthermore, the angle range of the sliding support limiter is 0-90 degrees, when the lifting column is used, the sliding support limiter is driven to enable an included angle between the fixed seat 1 and the lifting column to be 90 degrees, and when the lifting column needs to be stored, the sliding support limiter is driven to fold the fixed seat 1 and the lifting column.

Further, the second angle adjusting device 6, as shown in fig. 4, includes: the outer walls of two ends of the fixed shaft 61 are provided with external threads, and the fixed shaft 61 is matched with the through hole of the third lifting column 4; two nuts 62 are in threaded connection with the external thread of the fixed shaft 61; the sleeve 63 is sleeved in the middle of the fixed shaft 61, the circumference of the sleeve 63 is fixed with the cross rod 5, and the center line of the sleeve 63 is perpendicular to the center line of the cross rod 5. The through hole of the third lifting column 4 and the through groove are in the same plane, the cross rod 5 is in a horizontal position and limited by the position of the through groove when in use, and the connection mode of the cross rod 5 and the third lifting column 4 is shown in fig. 5.

During the use, open the sliding support stopper and prop 90 with the contained angle between fixing base 1 and the lift post, hang the rotatory roll-off of second lift post 3 in the lift post to the locating hole of first lift post 2, roll-off third lift post 4 again, insert the through-hole of third lift post 4 with nut 62 on angle adjusting device two 6 in screwing down, it is fixed again to screw up the nut of both sides, put at last with horizontal pole 5 with lift post vertically position, it accomodates to be reverse mode when accomodating. Compared with the common double-rod type hurdle rod, the single-rod type hurdle rod is more economical and practical and is suitable for being used in daily physical training.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. A track span rail, comprising:

the fixed seat (1) is provided with a balancing weight;

the lower end of the lifting column is hinged with one end of the fixed seat (1);

the first angle adjusting device is arranged between the lifting column and the fixed seat (1) and used for adjusting an included angle between the lifting column and the fixed seat (1);

one end of the cross rod (5) is hinged with the upper end of the lifting column;

and the angle adjusting device II (6) is arranged between the cross rod (5) and the lifting column and is used for adjusting an included angle between the lifting column and the cross rod (5).

2. The track span rail of claim 1, wherein the lifting column is a multi-stage lifting structure, the lifting column comprising:

the first lifting column (2) is of a hollow structure, is arranged on the fixed seat (1), and is symmetrically provided with positioning holes at two sides along the length direction;

the second lifting column (3) is of a hollow structure, is sleeved in the first lifting column (2) and is hung on the positioning hole through the elastic pressing buckle, and a hole is formed in the position, corresponding to the elastic pressing buckle, of the second lifting column (3);

the third lifting column (4) is of a hollow structure, is sleeved in the second lifting column (3), is provided with an arc-shaped upper end perpendicular to the third lifting column (4) and a through groove, and is provided with through holes at two sides of the direction perpendicular to the through groove at the upper end of the third lifting column (4).

3. The track span rail of claim 2, wherein the resilient pressing means comprises:

the number of the elastic buttons (31) is two, the two elastic buttons are respectively symmetrically arranged along two sides of the length direction of the second lifting column (3), and the elastic buttons (31) penetrate through the holes of the second lifting column (3) and extend into the second lifting column (3);

the pressing plate (32) is vertically fixed at the lower end of the elastic button (31);

the hanging and connecting blocks (33) are not less than four and are uniformly fixed on the pressing plate (32), and the hanging and connecting blocks (33) penetrate through holes of the second lifting column (3) and extend to the outside of the second lifting column (3).

4. The track span rail of claim 1, wherein the first angle adjustment device is a shoe retainer, the shoe retainer comprising:

the sliding chute (11) is arranged along the length direction of the fixed seat (1);

the first sliding block (12) is clamped in the sliding groove (11) and is in sliding connection with the sliding groove (11);

the second sliding block (13) is clamped in the sliding groove (11) and is in sliding connection with the sliding groove (11);

the two elastic buckles (14) are symmetrically fixed on two sides of the first sliding block (12) and used for limiting;

one end of the first support rod (15) is hinged with the first sliding block (12), and the other end of the first support rod is hinged with the first lifting column (2);

and one end of the second support rod (16) is hinged with the first support rod (15), and the other end of the second support rod is hinged with the second sliding block (13).

5. The track span rail of claim 4, wherein the angle of adjustment of the shoe retainer is in the range of 0-90 °.

6. A track span rail according to claim 1, wherein said second angle adjustment means (6) comprises:

the outer walls of two ends of the fixed shaft (61) are provided with external threads, and the fixed shaft (61) is matched with the through hole of the third lifting column (4);

two nuts (62) are connected with the external thread of the fixed shaft (61) in a threaded manner;

the sleeve (63) is sleeved in the middle of the fixed shaft (61), the circumference of the sleeve (63) is fixed with the cross rod (5), and the central line of the sleeve (63) is perpendicular to the central line of the cross rod (5).