Patent ID: 8104507

Claim:
A gas switch capable of adjusting fire intensity finely, comprising: A switch body including a base and a cover, in the base, there is a conical valve chamber with an opening at one end and a gas intake hole as well as a gas outlet hole connected through the valve chamber, while the cover is placed at the side opposite to the valve chamber of the base, and a guide is installed inside the cover; A valve set, which is installed and rotates inside the valve chamber and includes a valve, on the axis of the valve, there is a through channel, and on the surface of it, there are a guide slot, a gas intake hole and a control port connected with the channel, and the control port is installed inside the channel; a pilot valve that can move elastically inside the valve with one control section installed at one end of it, which always seals the control port when the pilot valve is not pushed; A drive component installed on the cover, containing a rotating rod that rotates round and moves along the same shaft of the valve set, a guide rod installed on the rotating rod and closely linked with the surface of the guide, which is used to make the guide rod move on the surface of the guide when the rotating rod revolves and further causing the rotating rod to generate axial displacement, a regulating block which can move along the rotating rod and closely connected with the pilot valve; and A connecting component for linking the drive component with the valve set flexibly, which is used to transfer actions of the drive component to rotate the valve and relocate the pilot valve.