JPH06307638A - Extended ignition device for piezoelectric ignition gas lighter - Google Patents

Abstract

PURPOSE:To provide an extended ignition device for a piezoelectric ignition gas lighter in which an extended gas cylinder cooperatively arranged at an extremity end of a gas discharging nozzle is of a double cylinder structure having an electrical conductive member and an electrical non-conductive member and an electrical conducting means such as a lead line and the like can be simplified and its assembling operation can be facilitated. CONSTITUTION:In an extended ignition device for a piezoelectric ignition gas lighter in which an inner extremity end of an outer cylinder 6 is provided with an electrode, an extended gas cylinder 5 is cooperatively arranged with an extremity end of a gas discharging nozzle 2 and an electrical conductive gas discharging nozzle 18 is fixed to an extremity end of the extended gas cylinder 5, an inside part of the extended gas cylinder 5 is applied as an electrical conductive inner cylinder 16 and its outside part is applied as an electrical non-conductive outer cylinder 17. It is sometimes operated such that a cylindrical fitting part 21 formed with an electrical conductive gas discharging nozzle 18 is closely fitted to an inner part of the inner cylinder 17 of the extended gas cylinder 5 so as to enable the gas discharging nozzle 18 to be electrically conductive.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a structure in which an extension gas cylinder connected to the tip side of a gas discharge nozzle has a double cylinder structure of conductive and non-conductive members to simplify the energizing means such as lead wires and to assemble it. And an extended ignition device for a piezoelectric ignition gas lighter capable of obtaining high electric conductivity and airtight fitting of a gas discharge nozzle to an extended gas cylinder.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Utility Model Application Laid-Open No. 4-92143, a main body including a gas tank, a valve mechanism for opening and closing gas supply from the gas tank, and a piezoelectric unit is provided as an ignition rod. An ejection nozzle for ejecting gas is provided inside the tip of the rod-shaped metal cylinder, a hard gas pipe for guiding the gas to the ejection nozzle is provided so as to penetrate through the inside of the metal cylinder, and a lead wire is provided inside the gas pipe. To insert a rod-shaped extension by electrically connecting the ejection nozzle at the tip to the terminal member at the other end, and to engage the base page (2) of the extension with the engaging portion of the main body. The two are engaged and integrated with each other, and by this assembly, the gas pipe of the extension and the valve mechanism of the main body are connected and the piezoelectric unit of the main body is electrically connected to the metal cylinder of the extension. Those of configurations have been proposed. This ignition rod is
The gas passing through the gas pipe is discharged from a jet nozzle provided at the tip of the pipe, and the discharge spark generated by the operation of the piezoelectric unit ignites the gas at the tip of the rod-shaped extension.

[0003]

However, since the conventional ignition rod has a structure in which a conducting wire is inserted into a hard gas pipe for energizing the jet nozzle at the tip, a gas pipe constituting an extended ignition part is formed. Since each of the conductors having substantially the same size as that of the conductor is inserted into a long pipe, it is extremely troublesome to insert the conductors, and many conductors such as the conductor, the pipe holder and the nozzle cover are required for assembly. There is a problem in that work efficiency is lowered and mass productivity is poor, and since the electrical conductivity to the conductive jet nozzle is poor, the ignition performance is significantly lowered.

The present invention has been made in order to solve the above-mentioned conventional problems. An object of the present invention is to provide an extension gas cylinder connected to the tip side of a nozzle for discharging vaporized gas, and having an inner conductive tube. , The outer side is a non-conductive member having a double cylinder structure, which simplifies the current-carrying means such as a conductor and facilitates assembly.
(EN) It is possible to provide an extended ignition device for a piezoelectric ignition gas lighter that can enhance the electrical conductivity and can hermetically fit a gas discharge nozzle to an extended gas cylinder to always obtain reliable ignition.

[0005]

Means for an extended ignition device of a piezoelectric ignition gas lighter according to the present invention for achieving the above object comprises an electrode on the inner tip side of an outer casing and a tip of a gas discharge nozzle. In an extended ignition device for a piezoelectric ignition gas lighter, in which an extension gas cylinder is continuously connected to an extension gas cylinder, and a conductive gas discharge nozzle is attached to the tip of the extension gas cylinder, the extension gas cylinder has an inner guide (3). ) The present invention is characterized in that it has a double cylinder structure in which an electrically conductive inner cylinder portion and an outer non-conductive outer cylinder portion are provided. In the present invention, the tube fitting portion formed on the conductive gas discharge nozzle may be closely fitted inside the inner tube portion of the extension gas cylinder so that the gas discharge nozzle can be energized.

[0006]

When the extended ignition device for the piezoelectric ignition gas lighter according to the present invention is used to ignite, when the operating knob of the piezoelectric unit in the piezoelectric ignition gas lighter constructed is pushed,
The gas discharge lever rotates simultaneously with the operation of the piezoelectric unit to pull up the nozzle to discharge the gas from the gas discharge nozzle, and the instantaneous operation of the piezoelectric element energizes the discharge electrode provided on the inner tip side of the outer casing. The ground electrode of the piezoelectric unit is connected to the gas discharge nozzle through the discharge electrode and the conductive outer cylinder part of the extension gas cylinder, and a discharge spark is generated between the discharge electrode and the tip of the discharge nozzle to generate the gas. Ignition flame that ignites the gas emitted from the emission nozzle, ejects an ignition flame from the tip of the extended outer cylinder, and ignites in the vicinity of the normal operating finger, unlike a gas lighter that ignites in the vicinity of the operating finger. It enables safe and reliable ignition of oil stoves.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an extended ignition device for a piezoelectric ignition gas lighter according to the present invention will be described with reference to the drawings.
Is a cross-sectional view of a piezoelectric ignition gas lighter equipped with the extended ignition device of this embodiment, and FIG. 2 is a cross-sectional view of a portion of the extended gas cylinder. This piezoelectric ignition gas lighter can be used for oil stoves, fireworks, candles, incense sticks, etc. 1 shows a gas lighter for igniting, the piezoelectric ignition gas lighter comprises a gas lighter main body 1, a nozzle unit 3 with a gas discharge nozzle 2 provided on one side of an upper part of the gas lighter main body 1, an upper part of the gas lighter main body 1, etc. The gas lighter main body 1 is composed of a piezoelectric unit 4 provided on the side, an extension gas cylinder 5 extending to the tip of the nozzle 2 of the nozzle unit 3, and an exterior cylinder 6 that covers the extension gas cylinder 5. A liquefied gas tank is formed in which the liquefied fuel 7 is stored. Page (4)

Next, the gas discharge nozzle 2 of the nozzle unit 3 provided in the upper part of the gas lighter body 1 is engaged with the gas flow rate adjusting lever 8 of the discharged gas at the upper part, and the bulging part of the nozzle 2 is provided with the intermediate part. One of the conductive and hook-shaped gas releasing levers 9 which is rotatably supported by the shaft is locked, and the gas releasing lever 9 is pushed down to push down the gas releasing nozzle 2
To allow the gas to be ejected.

The ignition piezoelectric unit 4 comprises a hammer 10 for operating a piezoelectric element, a piezoelectric element provided in the piezo unit, and a spring for returning the hammer. When the movable body 12 is actuated downward by causing the protrusion 13 provided on the movable body 12 for hammer operation to correspond to the other of the levers 9 for releasing gas, the protrusion 13 pushes the lever 9 for releasing gas. By rotating this, the gas discharge nozzle 2 locked to one of the gas ejection levers 9 is pulled up so that the gas can be discharged. One pole (earth pole) of this piezoelectric unit 4 can be brought into contact with the gas discharge lever 9, and the other pole can be contacted with the exterior cylinder 6.
Is connected to a contact plate 14 that abuts against.

Next, the extension gas cylinder 5 is formed by extruding a conductive resin material and a non-conductive resin material from both resin materials to form a hollow cylindrical body having a gas passage 15 formed therein. The tubular portion 16 is made of a conductive resin, and the outer tubular portion 17 is made of a non-conductive resin, and a long one is obtained by extrusion molding, and a product cut into a predetermined size is used. A gas discharge nozzle 18 made of a zinc die-cast and made of a conductive material is fitted in, and a spring 19 for diffusing the discharge gas is attached to the tip of the nozzle 18.
Further, the rear end side is fitted to the front end of the gas discharge nozzle 2 and electricity can be supplied through an inner cylindrical portion 16 which is in contact with the nozzle 2. Incidentally, as shown in FIG. 3, a conductive inclusion 20 may be provided between the extension gas cylinder 5 and the gas discharge ray 9. Further, according to the present invention, the cylinder fitting portion 21 formed on the gas discharge nozzle 18 may be closely fitted to the inner cylinder portion 16 of the extension gas cylinder 5 so that the gas discharge nozzle 18 can be energized.

Page (5) The exterior cylinder 6 is a large-diameter cylinder containing the extension gas cylinder 5 and is made of a conductive metal or the like. The exterior cylinder 6 is attached to the upper portion of the gas lighter body 1 and abuts against the lower portion. A discharge electrode 22 that is connected to the piezoelectric unit 4 via the plate 14 and that corresponds to the gas discharge nozzle 18 of the extension gas cylinder 5 is provided on the inside of the upper portion.

As described above, when the extended ignition device for the piezoelectric ignition gas lighter according to this embodiment is used to ignite, when the operating knob 11 of the piezoelectric unit 4 in the piezoelectric ignition gas lighter configured is pushed, the gas release lever is pressed. Is the piezoelectric unit 4
And the nozzle 2 is pulled up to be discharged from the gas discharge nozzle 18, and the instantaneous discharge of the piezoelectric element causes the discharge electrode 20 provided on the inner tip side of the outer casing 6 to be energized. , The ground electrode of the piezoelectric unit 4 is connected to the gas discharge nozzle 18 through the conductive inner cylinder portion 16 of the extension gas cylinder 5, and a discharge spark is generated between the gas discharge nozzle 18 and the tip thereof. Unlike the gas lighter that ignites the gas emitted from the gas emission nozzle 18 and ejects the ignition flame from the tip of the extended outer cylinder 6 to ignite in the vicinity of the normal operation finger, it is located farther from the operation finger. The ignition flame that is burned by means of a fire makes it possible to safely and surely ignite an oil stove or the like.

[0012]

As described above, the extended ignition device for the piezoelectric ignition gas lighter according to the present invention is provided with an electrode on the inner tip side of the outer cylinder and the extension gas cylinder is connected to the tip of the gas discharge nozzle. In an extended ignition device for a piezoelectric ignition gas lighter in which a conductive gas discharge nozzle is attached to the tip of an extension gas cylinder, the extension gas cylinder has a conductive inner cylinder part and an outer non-conductive cylinder part. Since the structure is characterized in that it has a double-cylinder structure having an outer cylinder portion, each of the conductors having substantially the same size as that of the gas pipe constituting the extended ignition portion as in the conventional case is inserted into a long pipe. It does not require the trouble of passing it through, and the insertion of the conductor wire is simplified, and necessary components such as the conductor wire, the pipe holder or the nozzle cover can be omitted, so that the assembly work efficiency is greatly improved. There is a unique effect that can Further, since the fitting of the gas discharge nozzle to the conductive inner cylinder part of the extension gas cylinder is in contact with the surface page (6), the electric conductivity is also very good, so that the ignition performance can be greatly enhanced. It also has an effect.
Further, according to the present invention, the tube fitting portion formed on the conductive gas discharge nozzle is closely fitted to the inner side of the inner tube portion of the extension gas cylinder so that the gas discharge nozzle can be energized. Has the practical effect of being extremely favorable.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of an extended ignition device for a piezoelectric ignition gas lighter according to the present invention.

FIG. 2 is an enlarged cross-sectional view taken along line XX shown in FIG.

FIG. 3 is an enlarged cross-sectional view showing a modified example of the main configuration of the same embodiment.

[Explanation of symbols]

 1 Gas Lighter Body 2 Gas Ejection Nozzle 3 Nozzle Unit 4 Piezoelectric Unit 5 Extended Gas Cylinder 6 Exterior Cylinder 16 Inner Cylinder 17 Outer Cylinder 18 Gas Ejection Nozzle 21 Cylinder Fitting

Claims (2)

[Claims] 1. A piezoelectric ignition gas comprising an outer cylinder having an electrode on the inner tip side thereof, an extension gas cylinder connected to the tip of a gas discharge nozzle, and a conductive gas discharge nozzle attached to the tip of the extension gas cylinder. In a lighter extension ignition device, a piezoelectric ignition gas lighter characterized in that the extension gas cylinder has a double cylinder structure having an inner conductive inner cylinder and an outer non-conductive outer cylinder. Extended ignition device. 2. The gas discharge nozzle can be energized by closely fitting the cylinder fitting portion formed on the conductive gas discharge nozzle to the inner side of the inner cylinder portion of the extension gas cylinder. Item 1. An extended ignition device for a piezoelectric ignition gas lighter according to Item 1.