Patent ID: 8313325
Filing Date: 2012-11-20
Classification: F23N,F24C,Y10T

Abstract:
1. An ignition switch, comprising: a switch member comprising a base; the base comprising a base body, a main flame tube, a mother flame tube, a receiving tube, a cone valve chamber, a receiving chamber, a gas bore, and a gas inlet; a main flame tube connected to valve chamber of the base; a receiving tube connected to the receiving chamber of the base with a check port therebetween; a cap on the base corresponding to the valve chamber; a closed device mounted in the receiving chamber; a knob provided on the cap and connected to the closed device; an electromagnetic valve mounted in the valve chamber with a gate to seal and open the check port; a driving device including a driving member, a pushing member and a transmission member; the driving member connected to the knob; the pushing member, which has at least a channel to communicate the check port and the gas bore, being received in the electromagnetic valve chamber and against the gate of the electromagnetic valve; the transmission member being operated for reciprocation to connect the driving member and the pushing member; wherein when the knob is pressed, the driving member moves the pushing member through the transmission member so that the pushing member moves the gate of the electromagnetic valve to open the check port for gas flowing to the valve chamber through the channel of the pushing member and the gas bore; the receiving chamber includes a first chamber and a second chamber communicated with each other; the transmission device being received in the first chamber; the pushing member is received in the second chamber; the transmission member having a beam with an end thereof being received in the receiving chamber and an end thereof being connected to the driving member; an elastic device being mounted between the end the beam connected to the driving member and an interior wall of the switch member; the beam having a post; a first block on an end of the post being connected to the pushing member; a second block on an end of the post to be connected to the driving member; the pushing member has a base portion; a pushing portion on the base portion facing the electromagnetic valve; a stop portion on the base portion being connected to the first block of the transmission member; a positioning portion on the base portion keeping the first block of the transmission member in touch with the stop portion; the base portion of the pushing member being a tubular member; the positioning portion being a slot; the stop portion being a bent plate and being received in the position portion; the pushing portion being a bent plate on a tail end of the base portion; and the channel is in the base portion.