JPS5898218U - valve device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view showing a valve device with a part of the cover cut away, Fig. 2 is a vertical sectional view of the valve device, and Fig. 3 is a plan view showing a valve device with a part of the cover cut away. FIG. 4 is a rear view of the valve device, FIG. 5 is a cross-sectional view taken along line II in FIG. 2, and FIG. 6 is a piping route diagram. In the drawings, 1 is a housing, 8 to 11 are valve cases, 13
16 is a backing (valve body), 16 is an operating rod, 18 is a coil spring (biasing means), 21 is a lock plate (lock member), 25
40 to 44 are dampers, and 45 to 48 are vacuum diaphragms.

Claims (1)

[Scope of utility model registration request] A housing having a plurality of passages is arranged in a row so as to reciprocate along a straight line substantially parallel to the housing to switch the passages, and is always biased from its original position by a biasing means. a plurality of valve bodies provided in the housing so as to reciprocate between a lock position and an unlock position, one of the plurality of valve bodies being operated to move against the biasing means; When the valve body is moved to the lock release position and unlocks the other valve bodies, and the one valve body is further moved against the biasing means, the valve body returns to the lock position and the other valve body is moved. A valve device comprising: a locking member that locks a valve body; and a regulating body that prevents other valve bodies from simultaneously moving in one direction when one valve body is moved in one direction.