Air inlet structure of fire extinguisher

灭火器进气结构

  • Inventors: WANG ZHICHENG
  • Assignees: 王志成
  • Publication Date: December 03, 2014
  • Publication Number: CN-203971239-U

Abstract

The utility model discloses an air inlet structure of a fire extinguisher. The air inlet structure comprises a bottle body, an upper cover and an air inlet control unit, wherein an opening is formed in the upper part of the bottle body; the upper cover can cover the opening in the upper part of the bottle body; a leading-out channel, an air inlet channel, a first joint part and a second joint part are arranged on the upper cover; an air inlet groove hole is formed in the first joint part; the second joint part has two parallel side walls and a bottom wall; the top of a high-pressure steel bottle is joined with the first joint part of the upper cover; the air inlet control unit comprises a check valve, a striker, a spring, a pressing rod, a switch handle and a pin; the check valve is arranged on the inner side of the air inlet channel of the upper cover; the striker is arranged in the air inlet groove hole and the perforated part of the second joint part; a needle part is arranged at the bottom end of the striker; a propping part is arranged at the top end of the striker; the spring can push against the striker. According to the air inlet structure, when the pin is taken off, the switch handle can act and drive the pressing rod to rotate and the pressing part can press the striker to move for piercing the high-pressure steel bottle, so that the effects of effort-saving operation and relatively good safety can be achieved.
一种灭火器进气结构,包括一瓶身、一上盖、一进气控制单元,并瓶身上方具开口;又上盖可盖合瓶身上方开口,并设置导出通道,又于上盖设置进气通道,又设置第一接合部,第一接合部设置进气槽孔,又设置第二接合部,第二接合部具有两平行侧壁、底壁;又高压钢瓶顶部与上盖的第一接合部接合;进气控制单元包括一逆止阀、一撞针、一弹簧、一抵压杆、一开关提把、一插梢,逆止阀设于上盖的进气通道内侧位置,又撞针设于进气槽孔及第二接合部的穿孔位置,并底端具有针部,又于顶端设置顶持部,弹簧可顶持撞针;借此取下插梢时可令开关提把动作并带动抵压杆旋转,并使抵压部可抵压撞针位移刺穿高压钢瓶,使本实用新型可具操作省力及较佳安全性功效。

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