High jump cross bar

A crossbar and high jump technology, applied in jumping equipment, sports accessories, gymnastics equipment, etc., can solve the problems of easily broken replacement equipment, low reuse rate, unsuitable for general occasions, etc., and shorten the time for correct action dynamics , Excellent anti-excessive bending performance, and the effect of improving the repeated use rate

Inactive Publication Date: 2012-08-15
闵凡亭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these two kinds of equipment have their own shortcomings: the standard crossbar is dangerous when used due to its high hardness and poor flexibility, and it is not easy to restore its original shape after it has a large bend. In addition, its material is generally glass. Fiber, the price is high, not suitable for general occasions. Due to the characteristics of biological nature, the length and thickness of ordinary bamboo poles cannot meet the requirements of standard high jump bars, and they are easy to break, and the reuse rate is low.
[0003] Chinese utility model patent ZL92226246.2 once disclosed a multi-section high jump cross bar, which is provided with ball and socket joint joints between aluminum alloy tubes, and is equipped with tension springs, steel wire ties, screw pull rods, and nuts. In the cross bar body, the screw pull rod elongates the tension spring, and the screw pull rod is fixed to the front half of the end of the cross bar by the nut, and the multi-section aluminum alloy tube is pulled into a straight rod shape by the tension of the stretch spring, but this Because the high jump bar is made of aluminum alloy tube, although it solves the problem of the standard bar being easy to bend and break and the replacement equipment is not standard, it has high hardness and poor protection, and it cannot effectively ensure the level of the bar. sex

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0024] A high jump bar such as figure 1 , figure 2 and image 3 Commonly shown, of course, figure 1 Only shows the cross-sectional view of the left half of the high jump bar, and the right half should be symmetrical with it.

[0025] The high jump cross bar includes two cross bar halves 1, and the material of the cross bar halves 1 is preferably a bamboo pole or a plastic pipe, which not only saves cost, but also does not cause injury to athletes during use.

[0026] A connector is provided between the two sections of cross bar halves 1, and the function of the connector is to connect the two cross bar halves together and adjust their levelness. The connector described in this embodiment adopts the following specific structure: the adjacent ends of the half body of the cross bar 1 are respectively fixed with a connecting pipe body 3, and the inner diameter of the connecting pipe body 3 is the same as that of the half body of the cross bar. 1. The outer diameters are match...

Embodiment 2

[0031] like Figure 4 As shown, it is a structural cross-sectional view of Embodiment 2 of the present invention. The difference between this embodiment and Embodiment 1 is that the metal wire 2 in this embodiment passes through the center of the cross bar half body 1 and the connecting pipe body 3, and the rest structure and figure 1 are the same and will not be repeated here.

[0032] This solution can also prevent excessive bending of the high jump crossbar when it is bent by an external force.

[0033] The high jump bar disclosed by the present invention can be formed by connecting two sections of bamboo poles or plastic pipes with a diameter of 2.0 cm and a length of 190 cm through a connector. It is controlled within 1-2cm, and has the advantages of low price, good levelness and high reuse rate.

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Abstract

The invention discloses a high jump cross bar. The high jump cross bar comprises two sections of cross bar half bodies which are made of bamboo poles or plastic tubes and connected together through a connector, wherein the connector comprises two connecting tube bodies which are matched with the two cross bar half bodies; the two connecting tube bodies are fixed together through a connecting sheet; a horizontal adjusting device is arranged above the connecting sheet, so that the high jump cross bar can be integrally adjusted to a horizontal state; one end of each of the two sections of cross bar half bodies is fixedly provided with a cross bar support, a metal wire straightening device is arranged on the two cross bar supports respectively, and a metal wire is connected between the two corresponding metal wire straightening devices, so that the high jump cross bar can be prevented from being bent excessively when bent due to external force and protected from being broken and the reusing ratio of the high jump cross bar is improved; and sponge tubes are sleeved at the peripheries of the cross bar half bodies and the connecting tube bodies, so the protection is further enhanced, mental disorder that practicers are afraid of the high jump cross bar is solved, and the time for forming dynamic stereotype of a correct action is shortened.

Description

technical field [0001] The invention relates to the technical field of auxiliary sports equipment, in particular to a high jump bar. Background technique [0002] According to national standards, the overall length of the ordinary high jump bar is 4.00 meters (± 2 cm) and the maximum weight is 2 kg. The overall length of the pole vault bar is 4.50 meters (± 2 cm) and the maximum weight is 2.25 kg. At present, there are generally two types of high jump crossbars used by major sports professional schools across the country: one is a standard crossbar, which is characterized by standardization and good aesthetics, and the other is an alternative equipment - ordinary bamboo poles, which is characterized by low price. Cheap. However, these two kinds of equipment have their own shortcomings: the standard crossbar is dangerous when used due to its high hardness and poor flexibility, and it is not easy to restore its original shape after it has a large bend. In addition, its materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B5/02
Inventor 闵凡亭
Owner 闵凡亭
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