CN207024657U - A kind of physical education buffer-type hurdles rack - Google Patents

Abstract

The utility model discloses a buffer type hurdle frame for physical education teaching. The buffer type hurdle frame for physical education teaching includes a column, a cross bar, a fixing bolt, a spring and a base; It includes an inner telescopic rod and an outer sleeve, the inner telescopic rod and the outer sleeve are socketed, and the inner telescopic rod and the outer sleeve are respectively provided with adjustment holes for 5 gears, and the adjustment holes are connected to the first nut. Adaptation; the crossbar is connected with the column through a mortise and tenon structure, and a pressure gauge is arranged on the crossbar, and the pressure gauge is electrically connected with the pressure self-breaking device of the spring; the base is connected with the column, and the The base includes an anti-skid gasket, a first cavity, a fixed block, a second nut and a limit block; the first cavity is provided with a weight. The utility model has a simple structure and good stability, and the position of the center of gravity can be adjusted according to the site conditions. ; The height can be freely adjusted in five gears; the spring has a pressure-bearing self-breaking device to prevent athletes from being injured by the hurdle frame.

Description

Buffer type hurdle frame for physical education teaching

technical field

The utility model relates to the field of track and field, in particular to a buffer type hurdle frame for physical education teaching.

Background technique

In order to improve the existing technology, people have carried out long-term exploration and proposed various solutions. For example, the Chinese patent document discloses a base of a cushioning hurdle frame for physical education [Application No.: CN201520294648.4], which includes a column, an elbow, a base, a spring, and a column link and a base link for connecting both sides. Wherein the vertical rod is fixedly connected with the bent pipe, the bent pipe is an arc-shaped pipe, the base is an arc-shaped groove, and the bent pipe can roll in the arc-shaped groove of the base. Both the bottom of the bent pipe and the arc-shaped groove of the base have locking teeth, and the director of the bent pipe in the arc-shaped groove of the base engages correspondingly by means of the locking teeth. A spring is connected to the front end of the upright bar and the base, and the left half hurdle and the right half hurdle are connected by a column connecting rod and a base connecting rod.

Although the above-mentioned solution solves the deficiencies of the prior art to a certain extent, the spring and the elbow are easily damaged. When the athlete does not step over, the pressure on the railing and the spring is relatively large, which will not only damage the hurdling instrument, but also cause injury to the athlete.

Utility model content

The purpose of the utility model is to solve the above-mentioned problems and provide a cushioning hurdle frame for physical education with reasonable design, good cushioning effect and no injury to athletes.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a buffer hurdle frame for physical education teaching according to the utility model, the buffer hurdle frame for physical education teaching includes a column, a cross bar, a fixing bolt, a spring and a base; The upright column is a five-gear adjustable telescopic structure, the upright column includes an inner telescopic rod and an outer sleeve, the inner telescopic rod and the outer sleeve are socketed, and the inner telescopic rod and the outer sleeve are respectively provided with 5 gear positions an adjustment hole, the adjustment hole is adapted to the first nut;

The crossbar is connected to the column through a mortise and tenon structure, and a pressure gauge is arranged on the crossbar, and the pressure gauge is electrically connected to the pressure self-breaking device of the spring;

The base is connected to the column, and the base includes an anti-slip gasket, a first cavity, a fixing block, a second nut and a limit block;

A weight is arranged in the first cavity, the limit block is arranged on a fixed block, an opening is set on the outer wall of the first cavity, the second nut is connected with the weight, and a screw hole is arranged on the weight , the screw hole is adapted to the second nut;

The second nut is connected to the screw hole through the opening; the cross-section of one end of the column is arc-shaped, and the base is provided with an arc-shaped groove, and the cross-section is slidably connected with the arc-shaped groove. The cross section is suitable for the arc groove. Can be used for multi-age teaching tasks, free to adjust the height,

In the above-mentioned cushioning hurdle frame for physical education teaching, the maximum arc of the column is 60°. To prevent the athlete from injuring the body when the hurdle is not out of date, when it is greater than 60°, it will trigger the maximum pressure of the manometer. After exceeding 60°, the pressure-bearing self-breaking device will trigger the release of the electromagnet, and the hurdle frame will be flattened to reduce injuries to athletes.

In the above-mentioned cushioning hurdle frame for physical education, the bottom of the base is provided with a first cavity and a second cavity, the first cavity is provided with a battery box, and the second cavity is provided with a radar speed measuring For the sensor, a solar panel is arranged on the bottom side wall of the base.

In the above-mentioned cushioning hurdle frame for physical education, a pressure-bearing self-breaking device is arranged in the middle of the spring, and the pressure-bearing self-breaking device includes an electromagnet, and the electromagnet is respectively connected with a pressure gauge and a spring.

In the above-mentioned cushioning hurdle frame for physical education teaching, the spring is a tension spring.

Beneficial effects: the utility model has the advantages of simple structure, stable center of gravity, good stability, free adjustment of height, stable adjustment of the center of gravity, and a pressure-bearing self-breaking device to prevent athletes from falling. The center of gravity is stable, and the position of the center of gravity can be adjusted according to the situation on the spot; the height can be adjusted freely in five gears; the spring is equipped with a pressure-bearing self-breaking device to prevent athletes from being injured by the hurdle frame.

Description of drawings

Fig. 1 is the structural representation provided by the utility model;

Fig. 2 is the structural representation of the base provided by the utility model;

In the figure, 1 adjustment hole, 2 column, 3 cross bar, 4 fixing bolt, 5 spring, 6 base, 7 non-slip gasket, 8 first cavity, 9 fixing block, 10 second nut, 11 weight, 12 opening, 13 limit blocks, 14 electromagnets, 15 first nuts, 16 inner telescopic rods, 17 outer sleeves.

detailed description

The following examples are for illustrative purposes only, and are not intended to limit the scope of the present invention.

Example 1

As shown in Figure 1-2, the buffer type hurdle frame for physical education teaching of the present utility model includes a column 2, a cross bar 3, a fixing bolt 4, a spring 5 and a base 6; the column 2 is a five-speed adjustable telescopic structure, the column 2 includes an inner telescopic rod 16 and an outer sleeve 17, and the inner telescopic rod 16 and the outer sleeve 17 are socketed together, and the inner telescopic rod 16 and the outer sleeve 17 are respectively arranged correspondingly An adjustment hole 1 with 5 gears is provided, and the adjustment hole 1 is adapted to the first nut 15;

The crossbar 3 is connected to the column 2 through a mortise and tenon structure, and the crossbar 3 is provided with a pressure gauge, and the pressure gauge is electrically connected to the pressure self-breaking device of the spring 5;

The base 6 is connected to the column 2, and the base 6 includes an anti-slip gasket 7, a first cavity 8, a fixing block 9, a second nut 10 and a limit block 13;

The first cavity 8 is provided with a weight 11, the limit block 13 is arranged on the fixed block 9, the outer wall of the first cavity 8 is provided with an opening 12, and the second nut 10 is connected with the weight 11 , the weight 11 is provided with a screw hole, and the screw hole is adapted to the second nut 10;

The second nut 10 is connected to the screw hole through the opening 12; the cross-section of one end of the column 2 is arc-shaped, and the base 6 is provided with an arc-shaped groove, and the cross-section slides with the arc-shaped groove connection, the cross-section is adapted to the arc groove.

The maximum arc of the column 2 is 60°.

The bottom of the base 6 is provided with a first cavity and a second cavity, the first cavity is provided with a battery box, the second cavity is provided with a radar velocity sensor, and on the bottom side wall of the base 6 It is equipped with solar panels. The battery provided in the battery box can provide power to the radar speed sensor. The radar speed sensor can measure the running speed of the athlete and know the running speed of the athlete. Solar panels can convert solar energy into electrical energy, which is energy-saving and environmentally friendly.

A pressure self-breaking device is arranged in the middle of the spring 5, and the pressure self-breaking device includes an electromagnet 14, and the electromagnet 14 is connected with the pressure gauge and the spring 5 respectively. The spring 5 is an extension spring.

Although this article uses 1 adjustment hole, 2 columns, 3 cross bars, 4 fixing bolts, 5 springs, 6 bases, 7 anti-skid gaskets, 8 first cavity, 9 fixed blocks, 10 second nuts, 11 weights , 12 openings, 13 limit blocks, 14 electromagnets, 15 first nuts, 16 inner telescopic rods, 17 outer sleeves and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (5)

1. A kind of 1. physical education buffer-type hurdles rack, it is characterised in that：Physical education buffer-type hurdles rack includes vertical Post (2), cross bar (3), fixing bolt (4), spring (5) and base (6)；The column (2) is that five gears adjust stretching structure, described Column (2) includes interior expansion link (16) and outer tube (17), and the interior expansion link (16) and outer tube (17) socket-connect, described interior The adjustment hole (1) of 5 gears, the adjustment hole (1) and first are correspondingly arranged on expansion link (16) and outer tube (17) respectively Nut (15) is adapted；

   The cross bar (3) is connected with column (2) by joinery and its construction, and pressure gauge, the pressure are provided with the cross bar (3) Meter electrically connects with the pressure-bearing of spring (5) device of autotomying；

   The base (6) is connected with column (2), and the base (6) includes improved mat (7), the first cavity (8), fixed block (9), the second nut (10) and limited block (13)；

   Sliding weight of steelyard (11) is provided with first cavity (8), the limited block (13) is arranged on fixed block (9), and described first Cavity (8) lateral wall sets opening (12), and second nut (10) is connected with sliding weight of steelyard (11), set on the sliding weight of steelyard (11) There is screw, the screw is adapted with the second nut (10)；

   Second nut (10) is connected by opening (12) with screw；The shape of the cross section of one end of the column (2) Arc, be provided with deep-slotted chip breaker on the base (6), the cross section is mutually slidably connected with deep-slotted chip breaker, the cross section and arc Shape groove is adapted.
2. 2. physical education according to claim 1 buffer-type hurdles rack, it is characterised in that：The maximum of the column (2) Radian is 60 °.
3. 3. physical education according to claim 1 buffer-type hurdles rack, it is characterised in that：The bottom of the base (6) The first cavity and the second cavity are provided with, battery case is provided with first cavity, radar is provided with second cavity Tachogenerator, solar panel is provided with the bottom sidewall of the base (6).
4. 4. physical education according to claim 1 buffer-type hurdles rack, it is characterised in that：Set among the spring (5) Pressure-bearing is equipped with to autotomy device, pressure-bearing device of autotomying includes electromagnet (14), the electromagnet (14) respectively with pressure gauge and Spring (5) is connected.
5. 5. the physical education buffer-type hurdles rack according to any one of Claims 1-4, it is characterised in that the spring (5) it is extension spring.