Title:
GATE VALVE HAVING DISK REPLACEMENT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/117340
Kind Code:
A1
Abstract:
The present invention relates to a gate valve having a disk replacement structure and, more specifically, provides a gate valve having a disk replacement structure, the gate valve provided at a pipe, comprising: a valve body having a blocking space formed therein, having a pair of flange pipes formed so as to communicate with the blocking space, and having a cover coupled to the upper part thereof so as to close the blocking space; a disk disposed in the blocking space so as to be lifted and lowered, and having a coupling hole formed at the upper surface thereof and having a lifting nut therein; and an operating rod provided at the cover and lifting and lowering the disk, wherein the cover has an insertion hole formed so as to pass therethrough, the operating rod is further provided in the insertion hole so as to rotate, the valve body has a fixing means for supporting and fixing the disk, and the disk further has a fitting groove having an upper inclined surface and a lower inclined surface provided at both side surfaces or front and rear surfaces thereof so as to be pressed and fixed by the fixing means. According to the present invention, the gate valve provided at the pipe so as to control movement of an object is provided with the fixing means and the disk is supported and fixed by the fixing means, such that the pipe is blocked and the disk and various parts can be replaced, and the disk and various parts can be replaced even in a state in which the gate valve is opened so as to allow the object to move through the pipe, such that a separate device for blocking movement of the object for replacement is not required, replacement time is shortened, and replacement costs are reduced.
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Inventors:
KIM JAE HYUN (KR)
KIM DO WAN (KR)
KIM DO WAN (KR)
Application Number:
PCT/KR2017/003677
Publication Date:
June 28, 2018
Filing Date:
April 04, 2017
Export Citation:
Assignee:
KIM JAE HYUN (KR)
KIM DO WAN (KR)
KIM DO WAN (KR)
International Classes:
F16K3/02; F16K3/314; F16K27/04
Foreign References:
| KR200257077Y1 | 2001-12-29 | |||
| JP2001193892A | 2001-07-17 | |||
| KR20140032798A | 2014-03-17 | |||
| KR101287910B1 | 2013-07-23 | |||
| KR19980033714U | 1998-09-05 |
Other References:
See also references of EP 3385581A4
Attorney, Agent or Firm:
JANG, Tae Hwa (KR)
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