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Title:
PRY-OFF VALVE PLUG AUTOMATIC EXHAUST VALVE WITH FILTER SCREEN
Document Type and Number:
WIPO Patent Application WO/2018/000108
Kind Code:
A1
Abstract:
Disclosed is a pry-off valve plug (1) automatic exhaust valve with a filter screen (8), comprising upper and lower shells, a float (9), a connecting rod (3), the valve plug (1), a valve seat (2) and a valve opening, wherein the valve seat (2) and the valve opening are mounted on the upper shell, and a front end of the connecting rod (3) is arranged below a tail rod on a rear end of the valve plug (1) to form a prying structure. The connecting rod (3) is shaped like the Chinese character "中", a rear end of the valve seat (2) is provided with a mounting groove (7), the first lateral side (6) of the Chinese character "中" shape is arranged in the mounting groove (7) and forms a rotating shaft of the connecting rod (3). The design of the Chinese character "中" shaped connecting rod (3) enables the connecting rod (3) to bypass the rear end of the valve seat (2), enter the valve seat (2) and form a prying structure together with the rear end of the valve plug (1); the filter screen (8) is in a state where the filter screen is not in contact with the connecting rod (3) all the time, avoiding damage to the filter screen (8) and further improving the product quality and prolonging the service life.

Inventors:
SUN, Junyi (No. 2475 Yatai North Street, Kuancheng DistrictChangchun, Jilin 2, 130052, CN)
Application Number:
CN2016/000696
Publication Date:
January 04, 2018
Filing Date:
December 19, 2016
Export Citation:
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Assignee:
SUN, Junyi (No. 2475 Yatai North Street, Kuancheng DistrictChangchun, Jilin 2, 130052, CN)
International Classes:
F16K31/20; F16K24/00
Foreign References:
CN205781177U2016-12-07
CN203099044U2013-07-31
CN203594819U2014-05-14
CN101915322A2010-12-15
CN105526409A2016-04-27
CN2175855Y1994-08-31
JP2007232030A2007-09-13
US5988201A1999-11-23
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