Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CAM-TYPE CONTROL VALVE, AND STROKE ADJUSTMENT METHOD FOR CAM-TYPE CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2019/163604
Kind Code:
A1
Abstract:
The present invention can facilitate the adjustment of the pressure of contact of a valve body with a valve seat and the adjustment of the height of a holder for mounting a driving means, and can also reduce the number of components, simplify assembly, and reduce costs. The present invention comprises: a body 4 provided with a fluid flow path 2 and an elastic valve seat 3; a valve body 5 for opening and closing the fluid flow path 2 by being brought into contact with or separated from the valve seat 3; a hood 6 fixed to the body 4; a stem 7 inserted and supported in the hood 6 so as to be movable in the axial direction of the hood 6, the stem 7 moving the valve body 5 to bring the valve body into contact with the valve seat 3; a cam 8 which acts on the stem 7 to press the stem 7 in the direction of the valve body 5; a driving means for rotationally driving the cam 8; a holder 10 which is supported on the hood 6 so as to be movable in the axial direction of the hood 6, and which holds the driving means; a first lock nut 11 which is screwed into the hood 6 so as to be adjustably movable in the axial direction of the hood 6, and which moves the holder 10 along the hood 6; and a second lock nut 12 which is screwed into the hood 6 so as to be adjustably movable in the axial direction of the hood 6, and which sandwiches and fixes part of the holder 10 together with the first lock nut 11.

Inventors:
SAWADA Yohei (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
NISHINO Kouji (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
HIRAI Toru (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
SHIGYOU Kohei (3-2 Itachibori 2-chome, Nishi-ku, Osaka-sh, Osaka 12, 〒5500012, JP)
Application Number:
JP2019/005099
Publication Date:
August 29, 2019
Filing Date:
February 13, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJIKIN INCORPORATED (3-2 Itachibori 2-chome, Nishi-ku Osaka-sh, Osaka 12, 〒5500012, JP)
International Classes:
F16K31/524; F16K7/16
Foreign References:
JP2011117473A2011-06-16
JP2015049569A2015-03-16
Attorney, Agent or Firm:
TANIDA Ryuichi (Toa Bldg, 5-7 Minami-honmachi 4-chome, Chuo-ku, Osaka-sh, Osaka 54, 〒5410054, JP)
Download PDF: