Paint selector valve
AssigneeSMC Corporation
InventorsYoshihiro Fukano, Shoichi Makado
Life of this patent
Estimating the term…
Abstract
A piston, which is displaceable by pilot air, is provided in a main body. A valve plug, which is composed of a resin material, is connected to an end of a shaft connected to the piston. The valve plug is seated on a valve seat section of a sub-body connected to the main body, and thus the flow of the paint to a flow passage is cut off. A seating section of the valve plug, which is to be seated on the valve seat section, is formed to be substantially spherical. Further, the surface of the valve seat section is recessed and substantially spherical corresponding to the seating section.
Claims11
A paint selector valve for switching a supply state of a paint to be supplied to a fluid passage, said paint selector valve comprising:
- a valve body which is connected to said fluid passage and which has a port for supplying said paint thereto;
- a piston which is provided displaceably in an axial direction in said valve body under an action of a pressure fluid supplied to said valve body;
- a shaft which is supported in said axial direction by said valve body and which is connected to said piston;
- a valve seat section which is formed on said valve body and which makes communication with said fluid passage;
- and
- a valve plug which is connected to an end of said shaft and which has a seating section formed to be substantially spherical for being seated on said valve seat section, wherein
- said valve seat section has a side surface opposed to said seating section of said valve plug, said side surface being recessed to be substantially spherical corresponding to said seating section.
Dependencies are inferred from the claim text.