Patent ID: 9457210
Filing Date: 2016-10-04
CPC Classification: A62C

Claim Text:
1. A portable fire extinguisher, comprising a housing and a cartridge arranged within the housing, wherein a bottom of the cartridge is fixedly connected to the housing via a fastening device; a top end of the cartridge is provided with an explosion venting device; the explosion venting device comprises a frictional layer, a connection rod, a connection rod guiding unit and a connection rod limiting device; the connection rod is connected with the cartridge cover; the frictional layer is provided between the connection rod and an outer wall of the cartridge; when the connection rod is guided by the connection rod guiding unit to displace along a direction of a hot air stream ejected by the cartridge, the frictional layer provides a frictional resistance and a buffering force for the connection rod; the connection rod guiding unit is a device capable of providing a guiding function for the connection rod when the same is moving; the connection rod limiting device is a device capable of limiting the connection rod when an extremity of the connection rod reaches a spout of the cartridge.