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Backstroke starting device and assembly

A starter and backstroke technology, which is applied to swimming aids, swimming, sports accessories, etc., can solve the problems of inability to quickly remove backstroke starters, a large number of backstroke starters, and inconvenient disassembly and assembly.

Pending Publication Date: 2020-10-23
山东悦实信息科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The assembly method of the backstroke starter on the starting platform is firm, but it is extremely inconvenient to disassemble and assemble. During the competition, it may be necessary to set the backstroke starter at both ends of the swimming pool lane. The number of backstroke starters required more
When the number of games arranged is large, the backstroke starter cannot be removed quickly, which will inevitably affect the progress of the game

Method used

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  • Backstroke starting device and assembly
  • Backstroke starting device and assembly
  • Backstroke starting device and assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0055] See attached figure 2 , figure 2 The middle pedal 24 is connected to the rope pulley by the polyester belt 22. The pedal 24 is generally lowered to the water surface. The two sheaves are pulled obliquely downward by the pulling force of the pedal 24 .

[0056] Since the force received by the rope pulley from the polyester belt 22 is obliquely downward, in other words, the base 11 has a forward movement tendency and a downward movement form. If the friction angle is greater than the pressure angle, then obviously, Even if there is no specific connection, the base 11 will not slip, or fall from the starting platform 23 . Even if the pressure angle is greater than the friction angle, it can be ensured that the backstroke starting device will not fall from the starting platform 23 through a relatively fast connection that can provide a certain binding force.

[0057] Therefore, it has been determined through experiments that the combination of the backstroke starting d...

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PUM

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Abstract

The invention discloses a backstroke starting device and an assembly. The backstroke starting device comprises: a base provided with a plug so as to adapt to a jack or a groove disposed on a startingplatform; a bearing seat mounted or constructed on the base; a shaft supported on the bearing seat through a bearing; rope belt wheels, wherein one rope belt wheel is arranged at each of the two endsof the shaft, and a rope belt is wound on the rope belt wheel; and a pedal, wherein the two ends of the pedal are correspondingly connected to the rope heads of the rope belts, and the pedal is parallel to the shaft. The backstroke starting device based on the embodiment of the invention is convenient to disassemble and assemble.

Description

technical field [0001] The invention relates to a backstroke starting device, and also relates to an assembly formed of the backstroke starting device and a starting platform. Background technique [0002] The starting technique is one of the important parts of swimming competition and training, and the starting device helps to strengthen the starting technique, which can improve the training level or improve the performance of the competition. Since the swimming competition rules allowed the backstroke competition to use the starting device, my country has also successively used such as the backstroke starting device in various swimming competitions across the country. [0003] The backstroke starting device is generally a top-mounted backstroke starting device, which has a seat. During use, the seat is installed on the starting platform, for example, and the pedals of the backstroke starting device are connected to the seat through a belt, and then hang down to the pool wa...

Claims

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Application Information

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IPC IPC(8): A63B31/00
CPCA63B31/00
Inventor 王世建王阳
Owner 山东悦实信息科技有限责任公司
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