Safety control switch for an ignition device
OwnerHui-Ming Suninventor
Life of this patent
Estimating the term…
Abstract
A safety control switch comprises a slide base movably mounted on the housing of a gas-fired ignition device, a push button positioned in a through hole of the slide base, a brake block fixed to the push button for inserting into a space between the slide base and the housing, and a locking piece movably mounted on the slide base and engaged with the through hole of the slide base, the locking piece being moved relative to the slide base between a first position to prevent the push button and the slide base from being operated by blocking the through hole and a second position to allow the push button and the slide base to be operated by removing the blockage of the through hole.
Claims12
A safety control switch for a gas-fired ignition device comprising:
- a slide base movably mounted in a track of a housing of the gas-fired ignition device;
- a push button positioned in a through hole of the slide base;
- a brake block fixed to the push button for inserting into the track to fill a space between the slide base and the track;
- and
- a locking piece movably mounted on the slide base and engaged with the through hole of the slide base, the locking piece being moved relative to the slide base between a first position to prevent the push button and the slide base from being operated by blocking the through hole and a second position to allow the push button and the slide base to be operated by removing the blockage of the through hole;
- wherein the locking piece is automatically kept in the first position when there is no external force acting thereon.
A method of operating a safety control switch for a gas-fired ignition device comprising:
- providing a gas-fired ignition device with a safety control switch, wherein the safety control switch comprises a slide base mounted on a housing of the gas-fired ignition device;
- a push button positioned in a through hole of the slide base;
- and a locking piece mounted on the slide base and moved relative to the slide base between a first position to prevent the push button and the slide base from being operated and a second position to allow the push button and the slide base to be operated;
- pulling back the locking piece to move it to the second position;
- while holding the locking piece at the second position, pressing down the push button to produce sparks;
- and
- while pressing down the push button, moving the slide base forward to release fuel gas to make a flame;
- wherein the locking piece automatically returns to the first position when external force acting thereon the safety control switch is released.
A gas-fired ignition device comprising:
- a push button switch mounted in a track of the housing of the gas-fired ignition device;
- an ignition circuit for producing sparks in the housing;
- a fuel tank in the housing having a disk-shaped valve for adjusting the volume of gas flow from the fuel tank, a plurality of teeth provided on sidewall of the disk-shaped valve running in the axial direction of the disk-shaped valve;
- and
- a valve handle having a handle and an adjusting head with a center hole for receiving the disk-shaped valve, wherein a portion of the adjusting head has an inner diameter conforming to the outer diameter of the disk-shaped valve and, at this portion, the inner sidewall of the adjusting head has a plurality of teeth for engaging with the teeth on the disk-shaped valve;
- a spring plate is mounted on the adjusting head, dividing the center hole of the adjusting head into two portions;
- and when assembled, the disk-shaped valve is inserted between the portion having an inner diameter conforming to the outer diameter of the disk-shaped valve and the spring plate.
Dependencies are inferred from the claim text.