Title:
ノズル切替バルブ装置
Document Type and Number:
Japanese Patent JP6807101
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a nozzle selector valve device capable of keeping sealability and having excellent rotational operability of a rotary head.SOLUTION: A nozzle selector valve device includes pipe bodies 14 respectively closed by a connecting portion 13 at one end side and a cover body 15 at the other end portion, rotary heads 27 rotatably mounted on outer peripheries of the pipe bodies 14, and having a plurality of nozzle connecting ports 28 successively connected to through holes 14c formed on the pipe bodies 14 at a rotating position, to be communicated with flow channels 14a in the pipe bodies 14, cylindrical seal members 31 respectively disposed between the outer peripheral face of the pipe body 14 and an inner peripheral face of the rotary head 27, and having through holes 31b connected to the through holes 14c of the pipe bodies 14 and the nozzle connection ports 28, recessed grooves 14e formed into the ring shape on the outer peripheral faces of the pipe bodies 14 in a manner of surrounding the through holes 14c, and elastic bodies 32 disposed in the recessed grooves 14e and elastically kept into contact with the seal members 31 from an inner side to partially press the seal members 31 to the inner peripheral faces of the rotary heads 27.SELECTED DRAWING: Figure 1
Inventors:
Noboru Nakayama
Yu Nakazawa
Satoshi Kato
Yu Nakazawa
Satoshi Kato
Application Number:
JP2016220527A
Publication Date:
January 06, 2021
Filing Date:
November 11, 2016
Export Citation:
Assignee:
Asaba Co., Ltd.
International Classes:
F16K5/04; B05B1/14; B05B1/32; F16K11/076
Domestic Patent References:
| JP2012237389A | ||||
| JP2009022830A | ||||
| JP2017210983A | ||||
| JP2014190422A |
Attorney, Agent or Firm:
Watanuki International Patent and Trademark Office