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发明公开
CN108654064A 一种体育发令装置 无效 - 驳回

一种体育发令装置
摘要：
本发明公开了一种体育发令装置，包括储气瓶、阀体、阀芯球、顶杆、弹簧、活塞、活塞气孔、放气阀门、放气阀门弹簧、扬声管和充气嘴，本发明通过充气嘴在储气瓶中储存高压气体，高压气体穿过阀芯球和活塞中的活塞气孔，高压气体位于放气阀门与活塞之间，活塞被气体压缩后压缩弹簧，活塞压缩至与顶杆接触，顶杆堵住活塞的活塞气孔，同时压迫阀芯球关闭储气瓶的充气，发令时，按下放气阀门的瞬间，高压气体通过扬声管发出爆发的空气声响，以达到发令效果，此外，放气后阀体再次充气，便能够进行二次发令，较为环保，没有消耗，成本低廉，具有推广应用的价值。
摘要（英）：

The invention discloses a sports starting device. The device comprises a gas storage cylinder, a valve body, a valve element ball, a jacking rod, a spring, a piston, a piston air hole, a deflation valve, a deflation valve spring, a loud-speaking tube and an inflation nozzle. According to the sports starting device, high-pressure gas is stored in the gas storage cylinder through the inflation nozzle, passes through the valve element ball and the piston air hole in the piston and is located between the deflation valve and the piston, the piston is compressed by the gas and then compress the spring, the piston is compressed to be in contact with the jacking rod, the jacking rod blocks the piston air hole of the piston, and meanwhile the valve element ball is pressed to end the inflation of the gas storage cylinder; during starting, the high-pressure gas gives out an explosive air sound through the loud-speaking tube to achieve a starting effect instantly when the deflation valve is pressed, besides, the deflated valve body is inflated again so that second starting can be conducted, the device is environmentally friendly, free of consumption and low in cost and has the application andpopularization value.

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