Air circuit breaker

• Main Authors: Qi Xiuli, Sun Yujie, Li Buming
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2016
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses an air circuit breaker, constitute including spool, gas vent, sleeve, sealing washer no. 1, spring, air inlet, valve body, sealing washer no. 2, sealing washer no. 3, sealing washer no. 4. The spool is installed in the sleeve, and the sleeve is installed in the valve body, and the spool is clearance fit with the sleeve, and the sleeve is transition fit with the valve body to spool and the telescopic lower extreme of going up all are equipped with the sealing washer. The spring mounting is in the spool bottom, and the spool can be followed the sleeve inner wall and slided from top to bottom, realizes the switching of gas circuit. The utility model discloses it is poor that aim at solves current air circuit breaker sealing performance, problem that life lacks. 本实用新型公开了种气路开关，包括线轴、排气口、套筒、密封圈、弹簧、进气口、阀体、密封圈二、密封圈三、密封圈四组成。线轴安装在套筒内，套筒安装在阀体内，线轴与套筒为间隙配合，套筒与阀体为过渡配合，并且线轴和套筒的上下端都装有密封圈。弹簧安装在线轴底部，线轴可以沿套筒内壁上下滑动，实现气路的开闭。本实用新型目的在于解决现有气路开关密封性能差，使用寿命短的问题。