Title:
CHECK VALVE
Document Type and Number:
Japanese Patent JP2022018274
Kind Code:
A
Abstract:
To provide a check valve for achieving the good flow of fluid with no influences given to the flow of the fluid in a flow path by a manual operation member for manually operating a valve element.SOLUTION: A small diameter hole 4A and a large diameter hole 2A are continuously provided to form a flow path 7 in a valve body 1 where fluid flows, In the flow path 7, a valve seat 8 is formed at a step part where the small diameter hole 4A and the large diameter hole 2A are continuously provided. The valve element 15 seated on the valve seat 8 is stored movably in the valve body 1, and a spring 19 for energizing the valve element 15 in the direction of seating on the valve seat 8 and a support member 10 movably supporting the valve element 15 are provided inside the valve body 1. In the support member 10, a communication hole 12 is formed to be communicated with the outside of the valve body 1, and through the communication hole 12, a rod-like manual operation member 20 is inserted. The manual operation member 20 is detachably connected to the valve element 15, and the end is located outside the valve body 1.SELECTED DRAWING: Figure 1
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Inventors:
INAISHI FUMINORI
YOSHIMOTO KAZUYA
YOSHIMOTO KAZUYA
Application Number:
JP2020121270A
Publication Date:
January 27, 2022
Filing Date:
July 15, 2020
Export Citation:
Assignee:
TOYOOKI KOGYO KK
International Classes:
F16K15/18
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