Torch

A handheld torch, wherein comprising:

• a valve body, wherein the valve body comprises a first gas channel capable of allowing a flow of gas for ignition;
• a first channel opening and closing assembly;
• and a first channel switch for the user to apply force, wherein the first channel switch is movably installed on the valve body and forms a coupling structure with the first channel opening and closing assembly, and the first channel opening and closing assembly is capable to be driven by the first channel switch to adjust a ventilation volume of the first gas channel;
• the handheld torch comprising an indication mark, wherein the indication mark comprises an ignition zone mark for indicating an ignition position of the first channel switch, an open mark for indicating an open position of the first channel switch and/or a close mark for indicating a close position of the first channel switch;
• the position of the first channel opening and closing assembly ensures that the ventilation volume of the first gas channel meets the ignition requirement, when the first channel switch moves to the ignition zone mark;
• the position of the first channel opening and closing assembly ensures that the first gas channel is opened, when the first channel switch moves to the open mark;
• the position of the first channel opening and closing assembly ensures that the first gas channel is closed, when the first channel switch moves to the close mark.