JPS6349070U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view of an emergency stop valve showing an embodiment of the present invention, Fig. 2 is a diagram explaining the action of the emergency stop valve of Fig. 1, and Fig. 3 is a diagram of another emergency stop valve of the present invention. A, B and C of FIG. 4 are cross-sectional views of a conventionally known emergency stop valve. 1: Upper casing, 2: Lower casing, 3
: Outflow opening, 4: Inflow opening, 5: Internal space, 6:
Guide, 7: Ball valve, 8: Recess, 13: O-ring.

Claims (1)

[Scope of Claim for Utility Model Registration] A fluid communication system comprising a fluid supply section, a fluid communication section communicating with the fluid supply section, and a fluid communication passage communicating the fluid supply section and the fluid communication section. , an emergency stop valve that cuts off the fluid communication passage when the fluid communication system falls or tilts is provided in the fluid communication passage; the emergency stop valve has a fluid inflow opening, a fluid outflow opening, and an internal space; The space has a guide in which a spherical valve is housed approximately concentrically with the fluid outflow opening, and a circular recess is formed on the inner space side of the fluid outflow opening, and an O-ring is inserted into the recess with a gap between the periphery and the fluid outflow opening. An emergency stop valve, characterized in that the valve is slidably housed.