山东坊子煤矿改进一种新式淋浴开关,结构简单、坚固耐用、制造维护容易。开关由阀体、心轴、弹簧三部分构成(见附图)。设计特点是开关的密封填料盖放在弹簧下方,由弹簧自动压紧,结构简单,密封能持久,而且踏板与开关无固定联结,可以随便提起,便于清理 Shandong Fangzi Coal Mine to improve a new type of shower switch, simple structure, durable, easy to manufacture and maintain. Switch by the valve body, mandrel, spring three parts (see photo). Design features is the switch seal packing on the bottom of the spring, the spring is automatically pressed, the structure is simple, the seal can be lasting, and the pedal and the switch without a fixed connection, you can easily lift, easy to clean