JPH06249437A - Piezoelectric ignition lighter - Google Patents

Abstract

PURPOSE:To simplify components of a piezoelectric ignition lighter, improve the efficiency of assebly work and enable the cost of the product to be lowered greatly by a method wherein a manipulation button for actuating a piezoelectric unit producing electric energy for spark discharge for ignition is formed of an electrically conductive resin and a lever for manipulating a nozzle is also formed unitarily with the manipulation button in such a manner that a part of the lever is protrusively provided. CONSTITUTION:A piezoelectric ignition lighter comprises a lighter main body 2 having a fuel tank 1, a gas discharge nozzle 3 having a structure capable of discharging vaporized gas, a piezoelectric unit 6, which is provided near the nozzle 3 and generates spark discharge between an electrode 5 and the nozzle, and a manipulation button 7 for actuating the piezoelectric unit 6. The manipulation button 7 is formed of an electrically conductive resin, and a lever 4 for manipulating the gas discharge nozzle 3 is formed unitarily with the button 7. Furthermore, a surface resistance value of the manipulation button 7 is set to 10kOMEGA or 40kOMEGA.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention According to the present invention, an operation button of a piezoelectric unit that emits electric energy of spark discharge for ignition is formed of a conductive resin, and a lever portion for operating a nozzle is also integrally projected on the button. The present invention relates to a piezoelectric ignition lighter that simplifies the constituent parts, enhances the efficiency of assembly work, and greatly reduces the cost of products.

[0002]

2. Description of the Related Art Hitherto, as disclosed in Japanese Patent Publication No. Sho 62-14056, the following has been proposed as a piezoelectric ignition device for a gas lighter. That is, the piezoelectric ignition element main body 15 which has an operating portion 14 which is manually operated at the time of ignition, and which generates a voltage by generating a page (2) pole by the operation of the manual operating portion 14, and the polarization of the piezoelectric ignition element main body 15 A first electric conductor 17 connected to one of the poles generated by, and the other end of which is arranged in the vicinity of a nozzle 16 for ejecting gas, and one end of which is locked by the nozzle 16.
A nozzle opening lever 18 provided so as to rotate in a direction to open the nozzle with one point as a fulcrum, and one end electrically connected to the other pole generated by the polarization of the piezoelectric ignition element body 15, An end is arranged near the other end of the nozzle opening lever 18, and when the manual operation portion 14 is operated, the second end is electrically contacted with the other end of the nozzle opening lever 18 to rotate the nozzle opening lever 18. Consisting of conductor 19 and
The nozzle opening lever 18 is a resistor having a resistance value required to obtain a stable ignition by generating an electric discharge between the other end of the first conductor 17 and the nozzle when the manual operation part 14 is operated. This is a configuration of a piezoelectric ignition device for a gas lighter characterized by the above.

However, in the above-mentioned invention, there are many constituent parts such as the piezoelectric ignition element main body, the manual operation part, the lead wire, the nozzle, the nozzle opening lever, the conductor, etc., and the size of the invention fits in the palm. In the gas lighter, the components are extremely fine and small, which makes it difficult to manufacture and assemble the parts, and the assembly labor also increases the cost of the product. In addition to the above, there is a problem that a failure is likely to occur.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and its object is to generate electric energy for spark discharge for igniting a discharge gas from a gas discharge nozzle. The operation button of the piezoelectric unit is made of conductive resin, and the lever part that controls the gas emission from the nozzle is also integrally projected on the operation button to simplify the components and save the assembly work. This is to provide a piezoelectric ignition lighter that can significantly reduce the cost of the product.

[0005]

[Means for Solving the Problems]

The piezoelectric ignition lighter constituting means according to the present invention for achieving the above object comprises a lighter body having a fuel tank for containing liquefied petroleum gas and a structure capable of vaporizing and releasing the liquefied petroleum gas. A gas discharge nozzle, a lever for controlling the discharge of gas, and a piezoelectric unit for generating electrical energy that strikes a piezoelectric element to cause a spark discharge between the gas discharge nozzle and an electrode provided in the vicinity thereof. In the piezoelectric ignition lighter, an operation button for operating the piezoelectric unit is formed of a conductive resin having a desired resistance value, and a lever portion for controlling gas release is integrally provided on the operation button. Then, when one of the lever portions is locked to the gas discharge nozzle and the operation button is pressed, the one electrode of the piezoelectric unit and the nozzle are energized via the operation button, The lever portion allows the gas discharge nozzle to be pulled up to discharge the gas.
In the present invention, the surface resistance value of the operation button may be 10 KΩ to 40 KΩ.

[0006]

In the piezoelectric ignition lighter according to the present invention having the above structure, the lever portion formed integrally with the operation button is rotated by pushing down the operation button, and the gas discharge nozzle locked to the lever portion is pulled up, The vaporized gas is released, and at the same time, the operation button strikes the piezoelectric element of the piezoelectric unit to generate electrical energy and lock it with a lever portion formed of a conductive resin. A spark discharge is caused between the discharge gas and an electrode provided in the vicinity of, to ignite the released gas. Further, when extinguishing the fire, by releasing the finger from the operation button, the lever portion of the operation button returns to the original position, the gas discharge nozzle is lowered, gas discharge is stopped, and the fire is extinguished.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a piezoelectric ignition lighter according to the present invention will be described with reference to the drawings. A piezoelectric ignition lighter according to this embodiment is a fuel tank 1 for containing liquefied petroleum gas.
A lighter body 2 including a gas discharge nozzle 3, which is capable of vaporizing and discharging liquefied petroleum gas, a lever portion 4 for controlling the discharge of the gas, and a piezoelectric element to strike the gas discharge page (4). A piezoelectric unit 6 for generating electrical energy that is applied between the nozzle 3 and an electrode 5 provided in the vicinity of the nozzle 3 to generate a spark discharge, and an operation button 7 that operates the piezoelectric unit 6 are used. The lighter body 2 is provided with a fuel tank 1 that stores liquefied petroleum gas.

The gas discharge nozzle 3 provided in the lighter body 2 is linked to a gas generating means 8 having a gas vaporizing chamber for vaporizing liquefied petroleum gas, a gas introducing passage or a gas valve, a spring for valve operation, and the like. In addition, it is made of a conductive metal and has a bulge at the top.

Next, the piezoelectric unit 6 for generating electric energy is composed of a hammer 9 for operating the piezoelectric element, a piezoelectric element provided in the piezo unit, and a spring for returning the hammer, and is composed of lead wires and the like. A spark discharge is generated between the electrode 5 at the tip of the gas through the energization path 10 and the gas discharge nozzle 3 that is locked to the operation button 7 described later, and the gas discharged from the nozzle 3 is ignited. The energization path 10 passes through the lighter body 2 and the operation button 7, one end of which is connected to the piezoelectric element of the piezoelectric unit 6, and the other end of the electrode 5 side is projected from the operation button 7 so that the electrode 5 emits gas. It is wired so as to correspond to three neighborhoods.

Operation buttons 7 for operating the piezoelectric unit 6
Is a pressing portion 11 formed of a conductive resin and having an operating finger on the upper portion, a projection 12 for operating the hammer 9 of the piezoelectric unit 6 provided inside the lower portion of the pressing portion 11, and a protruding portion on one side of the lower portion. A projecting shaft 13 which is composed of a bifurcated nozzle operating lever part 4 which is locked to the bulging head of the gas discharge nozzle 3 and which projects from the middle of the lever part 4 is rotatable to the lighter body 2. By supporting and pushing the pressing portion 11, the lever portion 4 is raised with the protruding shaft 13 as a fulcrum, and the gas discharge nozzle 3 locked to this is pulled up to enable the discharge of gas. The surface resistance value of the operation button 7 is preferably 10 KΩ to 40 kΩ, and according to the above numerical value, the spark discharge generated between the electrode 5 and the gas discharge nozzle 3 becomes stable. Page (5)

As described above, when the piezoelectric ignition lighter according to this embodiment is used to ignite, the lever portion 4 formed integrally with the operation button 7 is rotated upward by pivoting the projecting shaft 13 by depressing the operation button 7. The gas discharge nozzle 3 locked to the lever portion 4 by the rotation is pulled up and the vaporized gas is discharged. At the same time, the projection of the operation button 7
12 hits the hammer 9 of the piezoelectric unit 6 to generate electric energy by the piezoelectric element, and the protrusion 12 connects the piezoelectric element through the hammer 9 to release the gas that is locked to the lever portion 4 of the conductive resin. A spark discharge is generated between the nozzle 3 and an electrode 5 provided in the vicinity of the nozzle 3 to ignite the vaporized gas released. When extinguishing the fire, release the finger from the operation button 7 to move the lever 4 supported by the shaft 13.
Rotates and returns to the original position, the gas discharge nozzle 3 is lowered,
The gas is turned off and the fire goes out.

[0012]

As described above, the piezoelectric ignition lighter according to the present invention includes a lighter body having a fuel tank for containing liquefied petroleum gas, a gas discharge nozzle configured to vaporize and discharge liquefied petroleum gas, A lever that controls the release of gas,
In a piezoelectric ignition lighter composed of a piezoelectric unit for generating electrical energy that strikes a piezoelectric element to cause a spark discharge between the gas discharge nozzle and an electrode provided in the vicinity thereof, the piezoelectric unit is operated. The operation button is formed of a conductive resin having a desired resistance value, and a lever portion for gas release control is integrally projected on the operation button, and one of the lever portions is locked to the gas release nozzle. When the operation button is pressed, the one electrode of the piezoelectric unit and the nozzle are energized via the operation button, and the gas release nozzle is pulled up by the lever portion to allow the gas to be released. , Especially by forming the lever portion integrally with the operation button and molding it with a conductive resin, the components are simplified, and these components are fine and small. Also in the gas lighter, there is no difficulty in manufacturing and assembling the parts, and no labor is required for assembling, so that the effect of the special page (6) that can reduce the cost of the product is achieved. It is a thing. Further, since the ignition lighter of the present invention does not have a complicated component structure, it has an effect that a failure is unlikely to occur. In addition, in the piezoelectric ignition lighter according to the present invention, by setting the surface resistance value of the operation button to 10 KΩ to 40 kΩ, the discharge circuit formed is such that the resistance corresponding to the surface resistance value of the operation button is connected in series to the discharge circuit. Therefore, the spark discharge generated between the gas discharge nozzle and the discharge electrode is stable, and the duration is long, so that the discharge gas from the nozzle can be reliably ignited. is there.

[Brief description of drawings]

FIG. 1 is a sectional view of essential parts showing an embodiment of a piezoelectric ignition lighter according to the present invention.

FIG. 2 is a sectional view of an essential part showing a conventional piezoelectric ignition lighter.

[Explanation of symbols]

 1 Fuel Tank 2 Lighter Body 3 Gas Discharge Nozzle 4 Lever 5 Electrode 6 Piezoelectric Unit 7 Operation Button

Claims (2)

[Claims] 1. A lighter body having a fuel tank for storing liquefied petroleum gas, a gas discharge nozzle configured to vaporize and discharge liquefied petroleum gas, a lever for controlling the discharge of gas, and a piezoelectric element. In a piezoelectric ignition lighter composed of a piezoelectric unit for generating electric energy that causes a spark discharge between the gas discharge nozzle and an electrode provided in the vicinity of the gas discharge nozzle, an operation button for operating the piezoelectric unit is desired. It is formed of a conductive resin having a resistance value, and a lever portion for controlling gas release is integrally provided on the operation button, and one of the lever portions is locked to the gas release nozzle to operate the operation button. At the time of pressing, the one electrode of the piezoelectric unit and the nozzle are energized via the operation button, and the gas release nozzle is pulled up by the lever portion to enable the gas release. A piezoelectric ignition lighter characterized by the following. 2. The piezoelectric ignition lighter according to claim 1, wherein the operation button has a surface resistance value of 10 KΩ to 40 KΩ.