ApplicationNo.: 200620 10 1455.3 Application Date: March and July 2006.
Name: automatic safety valve for gas leakage
Gong Kai (Announcement)No.: CN2876478 Publication (Announcement) Date: March 7, 2007.
Main classification number: f16k17/30 (2006438+0) i Original application number:
Classification number: f16k17/30 (2006438+0) i.
Release Date: Priority:
Applicant (patent right): Ye.
Address: 3 17600 Yuhuan Huancheng Chemical Machinery Factory, Xiaoshuibu Industrial Zone, Zhugang, Yuhuan County, Zhejiang Province.
Inventor (Designer): Ye International Application:
International publications: Entry date:
Patent agency: Hangzhou Hangcheng Patent Office Co., Ltd. Agent: Wei Weimin.
abstract
The utility model discloses an automatic safety valve for gas leakage. It solves the defects of complex structure, poor safety, narrow application range and short service life of the existing automatic safety valve for gas leakage. Its structure includes an air outlet nozzle and a front valve sleeve with one end connected with the air outlet nozzle. Characterized in that an air valve frame with an air inlet is arranged in the front valve sleeve, and a guide rod which can slide along the axial direction of the front valve sleeve is connected to the air valve frame. The end of the guide rod opposite to the air outlet nozzle is provided with a flaky closing valve, which can close the air inlet hole, and a return spring is arranged between the air valve frame and the closing valve. The automatic safety valve can be widely used in gas pipelines of domestic gas cylinders and other gas pipelines.