Torch

Abstract

A torch comprises a torch body and a gas valve assembly. The torch body comprises a handle portion and a main body portion, the gas valve assembly comprises a valve body, a first valve assembly and a second valve assembly, the valve body has an air inlet, an air outlet, a first gas path channel and a second gas path channel, and both the first gas path channel and the second gas path channel independently connect the air inlet with the air outlet. The air inlet is located at the main body portion, and is configured for connecting with a gas container. The torch also has an indication mark, comprising an ignition zone mark for indicating the ignition position of the first channel switch, an open mark for indicating the open position of the first channel switch and/or a close mark for indicating the close position of the first channel switch.

1 . A torch, comprising:
 a torch body, wherein the torch body comprises a handle portion and a main body portion, the handle portion is formed by extending from one end of the main body portion;   a gas valve assembly, wherein the gas valve assembly comprises a valve body, a first valve assembly and a second valve assembly, the valve body comprises an air inlet, an air outlet, a first gas path channel and a second gas path channel, the first gas path channel and the second gas path channel both independently connect the air inlet with the air outlet; the first valve assembly is defined at the first gas path channel for controlling a ventilation volume of the first gas path channel, the second valve assembly is defined at the second gas path channel for controlling an opening and a closing of the second gas path channel; and wherein   the gas valve assembly is connected in the torch body, and the air inlet is located at the main body portion, the air inlet is configured for connecting with a gas container.   
     
     
         2 . The torch according to  claim 1 , wherein the main body portion extends along a first axis, and the main body portion comprises a first end and a second end oppositely defined along the first axis, the handle portion is extendedly defined at the first end of the main body portion, the air outlet is located at the second end of the main body portion, and the air inlet is located between the first end and the second end. 
     
     
         3 . The torch according to  claim 1 , wherein the main body portion extends along a first axis, an opening direction of the air inlet is perpendicular to the first axis, and an opening direction of the air outlet is parallel to the first axis. 
     
     
         4 . The torch according to  claim 2 , wherein the main body portion also comprises a first side and a second side, the first side and the second side are oppositely defined along a direction perpendicular to the first axis; the air inlet and the handle portion are both located at the second side of the main body portion. 
     
     
         5 . The torch according to  claim 4 , wherein the valve body comprises a first mating port communicating with the first gas path channel, the first mating port is located at the first side of the main body portion, and an opening direction of the first mating port is perpendicular to the first axis; the first valve assembly is mated with the first mating port and extends into the first gas path channel from the first mating port to adjust the ventilation volume of the first gas path channel. 
     
     
         6 . The torch according to  claim 5 , wherein the gas valve assembly also comprises an adjustment knob, the adjustment knob is located at the first side of the main body portion, and the adjustment knob is connected to the first valve assembly; the adjustment knob is used to drive the first valve assembly to rotate to adjust the ventilation volume of the first gas path channel. 
     
     
         7 . The torch according to  claim 5 , wherein the valve body comprises a second mating port communicating with the second gas path channel, the second mating port is located between the air inlet and the first mating port in a direction perpendicular to the first axis, and an opening direction of the second mating port is parallel to the first axis; the second valve assembly is mated with the second mating port and extends into the second gas path channel from the second mating port to control the opening and closing of the second gas path channel. 
     
     
         8 . The torch according to  claim 7 , wherein the gas valve assembly further comprises an adjustment button, the adjustment button is located at the first end of the main body portion, and the adjustment button is connected to the second valve assembly for opening or closing the second valve assembly when triggered. 
     
     
         9 . The torch according to  claim 2 , further comprising a torch tube, wherein the torch tube is connected to the first end of the main body portion, and the torch tube is communicated with the air outlet. 
     
     
         10 . The torch according to  claim 1 , further comprising a gas container, wherein the gas container is connected to the air inlet so that an internal space of the gas container is communicated with the air inlet; and an orthographic projection of a center of gravity of the torch on the bearing surface coincides with a orthographic projection of a bottom of the gas container on the bearing surface, when the gas container is placed on a bearing surface. 
     
     
         11 . 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.   
     
     
         12 . The handheld torch according to  claim 11 , wherein the first channel opening and closing assembly comprises an ignition position, when the first channel switch moves to the ignition zone mark, the first channel opening and closing assembly is located at the ignition position, and the first channel opening and closing assembly opens the first gas channel, and the ventilation volume of the first gas channel meets the ignition requirement; and/or,
 the first channel opening and closing assembly comprises an open position, when the first channel switch moves to the open mark, the first channel opening and closing assembly is located at the open position, and the first channel opening and closing assembly opens the first gas channel; and/or,   the first channel opening and closing assembly comprises a close position, when the first channel switch moves to the close mark, the first channel opening and closing assembly is in the close position, and the first channel opening and closing assembly closes the first gas channel.   
     
     
         13 . The handheld torch according to  claim 11 , wherein the first channel opening and closing assembly comprises a sealing structure for sealing the first gas channel and a gas volume adjustment structure for adjusting the ventilation volume of the first gas channel;
 the sealing structure opens the first gas channel, and the gas volume adjustment structure controls the ventilation volume in the first gas channel to meet the ignition requirement, when the first channel opening and closing assembly is located at the ignition position; the sealing structure closes the first gas channel, when the first channel opening and closing assembly is in the close position.   
     
     
         14 . The handheld torch according to  claim 11 , further comprising a nozzle, and a temperature mark is defined on the nozzle, and the temperature mark is used to prompt a temperature of the nozzle. 
     
     
         15 . The handheld torch according to  claim 11 , wherein the indication mark further comprises a mode mark for indicating an use mode.