Inner cylinder of explosion-venting-type aerosol fire extinguishing device

Abstract

The present disclosure relates to an inner cylinder of an explosion-venting-type aerosol fire extinguishing device, including a cylinder body () and a cylinder cover component () arranged on one end of the cylinder body (), and an explosion-venting device arranged on the cylinder body (). The explosion-venting device includes a friction layer (), a connecting rod (), a guiding unit (), and a limiting device (). The connecting rod () are connected with the cylinder cover component (). The friction layer () is provided between the connecting rod () and the cylinder body (). The friction layer () provides a frictional resistance and a buffering force for the connecting rod () when the connecting rod () is displaced, under the guidance of the guiding unit (), along a direction that a hot air stream of the cylinder body () is jetting towards. The guiding unit () is a device capable of providing guidance for the connecting rod () when the connecting rod () is moving. The limiting device (), the cylinder cover component (), and the connecting rod () are fixedly connected. The limiting device () limits the connecting rod () when an extremity thereof slides to the cylinder cover component (). The present disclosure uses primarily the movement and limiting of the explosion-venting device to consume kinetic energy generated by deflagration, thus achieving the goal of safe and effective explosion ventilation, and preventing a grain () from causing injuries and damages when deflagrated.