JP2000055365A - Lighter cover igniter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a lighter cover igniter entirely different in appearance from an easy lighter and superior in function and operation to the easy lighter. SOLUTION: In an easy lighter 1 having a nozzle hood 1b and a piezoelectric pressing handle 1c provided in a neighboring relation on a top of a resin-made rod-like fuel tank 1a, in which a liquefied gas fuel is sealed and capable of performing a release of a fuel injection valve and a discharge ignition by a downward push of the piezoelectric handle 1c; an easy lighter 1 is housed in an interior of a circular cylindrical case capable of being gripped with a hand; an upper part of the cylindrical case corresponding to the piezoelectric handle 1c and the nozzle hood 1b is covered with a rotative cap 4A capable of being operated by a tip of a finger; the easy lighter 1 is retained to the rotative cap 4A or the cylindrical case in order to avoid rotation and a thrust cam for pushing downward the piezoelectric handle 1c, in reference to the rod-like fuel tank 1a by an operation of rotating the rotative cap 4A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighter for cigarettes, and more particularly to a lighter cover ignition device for a simple lighter in which a nozzle hood and a piezoelectric handle are provided adjacent to the head of a resin rod fuel tank filled with liquefied gas fuel. About.

[0002]

2. Description of the Related Art As is well known, an inexpensive simple cigarette lighter having a structure in which a nozzle hood and a piezoelectric handle are provided adjacent to each other at the head of a resin rod fuel tank filled with liquefied gas fuel is known. ing. In other words, this simple lighter has a fuel injection valve for injecting fuel gas such as butane gas and a piezoelectric element built into the head of the rod-shaped fuel tank. When the piezoelectric handle is pressed down, the fuel injection valve is opened and discharge by the piezoelectric element is performed. This is a structure that can be performed at low cost because the cost performance by mass production is very excellent.

[0003]

By the way, in a simple writer having such a structure, when a part of the mechanism or the appearance is changed according to the user's preference and the improvement of the operability,
Not only the die in the corresponding part but also the change of the assembly machine due to the change of the part size is required, and the mass production effect is lost and the product becomes considerably expensive. In other words, the above-mentioned simple lighter is a product that pursues cost performance to the utmost limit, so even if some shapes and structures are changed,
Because the production price is extremely expensive, when making a cigarette lighter with a logo for sales promotion, etc., conventionally, a resin case with the logo etc. formed on the outer surface is separately prepared and this resin case is simplified The lighter is fitted to the rod-shaped fuel tank, and the simple lighter itself is not changed.

However, in such a method using a resin case, there is a limit to the degree of change in appearance, and no change can be made in terms of the function of igniting by pushing down the piezoelectric handle. Therefore, it was impossible to make comprehensive improvements including the functions.

An object of the present invention is to provide a lighter cover ignition device which is extremely different in appearance from a simple lighter in view of the above-mentioned problems of the simple lighter, and which is superior in function and operation to the simple lighter. To get.

[0006]

In order to achieve this object, the present invention provides a nozzle rod hood and a piezoelectric handle provided adjacent to the head of a resin rod fuel tank filled with liquefied gas fuel. In a simple lighter that opens the fuel injection valve and discharge ignition by pushing down
A simple lighter is housed inside a cylindrical case that can be gripped by hand, and the upper part of the cylindrical case corresponding to the nozzle hood and the piezoelectric handle is covered with a rotating cap that can be operated with a fingertip. It is an object of the present invention to propose a lighter cover ignition device provided with a thrust cam which is restrained by a cylindrical case or a rotating cap and pushes down a piezoelectric handle to the rod-shaped fuel tank by rotating the rotating cap.

In the following description of a preferred embodiment of the present invention, 1) the nozzle hood side of the simple lighter is fixed to a holding sleeve formed integrally with the rotary cap, and a cylindrical case is mounted on the piezoelectric handle side of the simple lighter. A holding sleeve extending from a bottom case that closes the bottom surface is fitted, and the thrust cam is provided between the cylindrical case and the bottom case. 2) The cylindrical case is fixed by dropping a simple lighter from above. A description will be given of a structure in which the thrust cam is integrally formed on a ceiling surface of the rotary cap and is in contact with a surface of the piezoelectric handle.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 1 and 4 is a fuel injection valve (not shown) for injecting a fuel gas such as butane gas.
And a piezoelectric element (not shown) built in the head of the rod-shaped fuel tank 1a. The fuel injection valve is opened by pushing down a piezoelectric handle 1c adjacent to a metal plate nozzle hood 1b. Discharge ignition can be performed.

FIGS. 1 to 3 show a lighter cover ignition device according to a first embodiment of the present invention. The lighter cover ignition device has a resin molded cylindrical case 2A for accommodating a simple lighter 1 therein. The cylindrical case 2A in the illustrated example comprises a pair of semi-cylindrical front and rear sleeves 2a and 2b which can surround the whole of the simple lighter 1, and a fixing clip 3a formed on the facing edge surfaces of the front and rear sleeves 2a and 2b. , 3b are assembled together.

A rotary cap 4A which can be rotated by a fingertip is located on the upper part of the cylindrical case 2A. Inner circumference 6A
To be loosely fitted. The end plate 4 is attached to the rotating cap 4A.
a is formed integrally with the end plate 4a, an inlet 7 through which the simple lighter 1 can be inserted from above is formed, and a corresponding portion of the inlet 7 on the nozzle hood side has the nozzle hood side of the simple lighter 1. A gutter-shaped half case 4b capable of holding the half is integrally formed.

A flameproof plate 8 made of a thin metal plate is adhered to the outer surface of the end plate 4a of the rotary cap 4A. A nozzle is provided on the surface of the flameproof plate 8 when fuel gas is ignited. A crater 9 that can match the hood 1b is formed. In addition,
An air intake hole 10A consisting of a large number of circular holes is formed in a part of the peripheral wall of the rotary cap 4A facing the nozzle hood 1b.

The lower opening of the cylindrical case 2A is closed by a bottom case 11 that can rotate integrally with the rotary cap 4A via the simple lighter 1. That is, a gutter-shaped holding case 11a capable of accommodating about a half of the piezoelectric handle side is integrally formed on the upper portion of the resin-molded bottom case 11, and the closing wall 11b of the holding case 11a is attached to the piezoelectric handle of the simple lighter 1. 1c. The cylindrical case 2A is provided between the bottom case 11 and the front sleeve 2a and the rear sleeve 2b with the rotation of the rotary cap 4A.
A thrust cam 12A for moving the simple lighter 1 inside the vertical direction is provided. In the case of the first embodiment, the thrust cam 12A comprises a front sleeve 2a and a rear sleeve 2b.
And a movable cam 12b on the outer periphery of the bottom case 11 that is driven along the fixed cam 12a.

Since the lighter cover ignition device according to the first embodiment has the above structure, it can be assembled in the following steps. First, the simple writer 1 is inserted into the half case 4b from above the inlet 7 of the rotating cap 4A, and while keeping this inserted state, a tool or the like is inserted from the inlet 7 to slightly push down the piezoelectric handle 1c, The holding case 11a of the bottom case 11 is fitted to the piezoelectric handle side half of the simple lighter 1 from the lateral direction of the rod-shaped fuel tank 1a. Thereafter, the flameproof plate 8 is attached to the end plate 4a of the rotating cap 4A.
And a simple lighter 1, a half case 4b,
If the front sleeve 2a and the rear sleeve 2b are combined from the lateral direction of the simple lighter 1 so as to cover the entire holding case 11a, the assembled state of FIG. 2 is obtained.

To use the completed lighter cover ignition device, the fuel gas can be ignited simply by rotating the rotary cap 4A with respect to the cylindrical case 2A. When the rotary cap 4A is rotated with respect to the cylindrical case 2A, the bottom case 11 is lowered with respect to the cylindrical case 2A by the cam shape of the fixed side cam 12a and the movable side cam 12b. , Simple writer 1
The closing wall 11b of the holding case 11a which is in contact with the piezoelectric handle 1c is lowered, and the piezoelectric handle 1c is pushed down against the rod-shaped fuel tank 1a of the simple lighter 1 held by the half case 4b of the rotating cap 4A. For this reason, the fuel injection valve is opened by pushing down the piezoelectric handle 1c, discharge is performed by the piezoelectric element, and the fuel gas is ignited. At the time of this ignition, the rotation of the rotary cap 4A causes the flameproof plate. Since the crater 9 of FIG. 8 is rotated to the position shown in FIG.

To extinguish the flame after use, the cylindrical case 2
When the rotating cap 4A is rotated in the opposite direction with respect to the cylindrical case 2A, the holding case 1 of the bottom case 11 is
1a is lifted, and the holding case 11a is not forcibly pushed down with respect to the piezoelectric handle 1c. Therefore, the piezoelectric handle 1c is restored to the state shown in FIG. 2 by the force of the built-in return spring, and is put into an unused state. In addition, if the cam-shaped end of the crater 9 is flattened, a simple safety lock structure in which the piezoelectric handle 1c of the simple lighter 1 is not pushed down too much even if the rotating cap 4A is inadvertently rotated. It can be.

FIGS. 4 and 5 show a lighter cover ignition device according to a second embodiment of the present invention. In this embodiment, a cylindrical case 2B having only a cylindrical upper portion is used.
That is, the horizontal cross-sectional shape of the lower portion of the cylindrical case 2B is circular at the upper portion, and the lower portion of the cylindrical fuel tank 1 of the simple lighter 1 is circular.
When the simple lighter 1 is accommodated, the rod-shaped fuel tank 1a of the simple lighter 1 can be fixed inside. A flange 6B is integrally formed on the upper portion of the cylindrical case 2B. A plurality of slits 13 are formed on the upper portion, and the upper portion is provided with flexibility by the slits 13. .

As in the case of the first embodiment described above, a rotary cap 4B which can be rotated by a fingertip is located on the upper part of the cylindrical case 2B, and the inner surface of the peripheral wall of the rotary cap 4B has the flange 6B. Is formed at a position corresponding to the flange 6B.
Can be loosely fitted. The rotating cap 4B has an end plate 4a.
The end plate 4a is integrally formed with the nozzle hood 1b of the simple lighter 1 when the simple lighter 1 is ignited.
A pair of craters 9A and 9B are formed, and a thrust cam 12B capable of contacting the piezoelectric handle 1c is integrally formed on the lower surface of the end plate 4a. The thrust cam 12B, which is an arc-shaped end cam, has a rotating cap 4
When B is rotated, the piezoelectric handle 1c of the simple lighter 1 housed in the cylindrical case 2B is pushed down. However, a part of the peripheral wall of the rotating cap 4B described above has an air intake hole 10B composed of many circular holes. Is formed.

Since the lighter cover ignition device according to the second embodiment has the above-described structure, it can be manufactured at a much lower cost than the lighter cover ignition device according to the first embodiment. In order to assemble the lighter cover ignition device according to the second embodiment, the simple lighter 1 is dropped into the cylindrical case 2B from above, and the rod-shaped fuel tank 1a of the simple lighter 1 is fixed to the cylindrical case 2B. Case 2
What is necessary is just to fit the rotation cap 4B on the upper part of B. That is, in order to assemble the rotating cap 4B on the cylindrical case 2B, the upper part of the cylindrical case 2B having flexibility provided by the slit 13 is elastically deformed, and the flange 6B is dropped into the annular groove 5B to complete the assembly. it can.

To use the completed lighter cover ignition device, as in the first embodiment, the cylindrical case 2B is used.
It is only necessary to rotate the rotating cap 4B.
That is, when the rotary cap 4B is rotated, the thrust cam 12B on the lower surface of the rotary cap 4B pushes down the piezoelectric handle 1c, the fuel injection valve is opened, the discharge by the piezoelectric element is performed, and the fuel gas is ignited. At the time of this ignition, one of the craters 9A and 9B corresponding to the rotation direction is rotated by the lighter cover ignition device shown in FIG. 5 by the rotation of the rotary cap 4B.
The flame will be blown out from.

To extinguish the flame after use, the cylindrical case 2
When the rotating cap 4B is rotated in the reverse direction with respect to B, the holding case 1 of the bottom case 11 with respect to the cylindrical case 2B.
1a is lifted, and the holding case 11a is not forcibly pushed down with respect to the piezoelectric handle 1c. Therefore, the piezoelectric handle 1c is restored to the original state by the force of the built-in return spring, and becomes an unused state. If the intermediate portions of the craters 9A and 9B in the rotation direction of the cam shape are flattened, the piezoelectric handle 1c of the simple lighter 1 will not be pushed down even if the rotating cap 4B is carelessly rotated. A simple safety lock structure can be provided.

[0021]

As is apparent from the above description, according to the lighter cover ignition device of the first aspect, the simple lighter is completely enclosed inside the fixed cover and the movable cover, so that an inexpensive simple lighter produced by mass production. By using the method described above, a lighter for cigarettes having an operability different from that of a simple lighter and having a free appearance can be obtained. Further, according to the lighter cover ignition device of the second aspect, the entire outer shape can be a cylindrical case. According to the third aspect of the invention, the simple lighter cover ignition is less expensive than the structure of the second aspect. Equipment can be provided.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighter cover ignition device according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the lighter cover ignition device.

FIG. 3 is a sectional view, corresponding to FIG. 2, of the lighter cover ignition device at the time of ignition.

FIG. 4 is an exploded perspective view of a lighter cover ignition device according to a second embodiment of the present invention.

FIG. 5 is a sectional view of the lighter cover ignition device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Simple lighter 1a Bar-shaped fuel tank 1b Nozzle hood 1c Piezoelectric handle 2A, 2B Cylindrical case 2a Front sleeve 2b Rear sleeve 4A, 4B Rotation cap 4b Half case 5A, 5B Annular groove 6A Inner circumference brim 6B Flange 8 Flameproof plate 9, 9A, 9B Crater 10A, 10B Air intake hole 11 Bottom case 11a Holding case 12A, 12B Thrust cam

Continuing on the front page (72) Inventor Masao Miyake 3-38-10 Sendagaya, Shibuya-ku, Tokyo A / I-K Building 9th floor Inside Solks Design Associates Co., Ltd. (72) Inventor Yuki Kuromatsu Sendagaya, Shibuya-ku, Tokyo F-term (reference) 3K095 AA04 AA15 AA26 GA07 KA04, 3rd floor 38-10, A / I / K Building 9th floor, Solks Design Associates Co., Ltd.

Claims (3)

[Claims] 1. A nozzle hood and a piezoelectric handle are provided adjacent to the head of a resin rod fuel tank filled with liquefied gas fuel, and the fuel injector is opened and discharge ignition is performed by pushing down the piezoelectric handle. In the writer,
A simple lighter is housed inside a cylindrical case that can be gripped by hand, and the upper part of the cylindrical case corresponding to the nozzle hood and the piezoelectric handle is covered with a rotating cap that can be operated with a fingertip. A lighter cover ignition device, comprising a thrust cam restrained by a cylindrical case or a rotating cap and pressing a piezoelectric handle against the rod-shaped fuel tank by rotating the rotating cap. 2. The nozzle hood side of the simple lighter is fixed to a holding sleeve integrally formed with the rotating cap, and a holding sleeve extending from a bottom case for closing a bottom surface of a cylindrical case is provided on a piezoelectric handle side of the simple lighter. The lighter cover ignition device according to claim 1, wherein the thrust cam is fitted between the cylindrical case and the bottom case. 3. The cylindrical case is a bottomed cylindrical container into which a simple lighter can be dropped and fixed from above, and the thrust cam contacting the surface of the piezoelectric handle is integrally formed on the ceiling surface of the rotating cap. The lighter cover ignition device according to claim 1, wherein the ignition is performed.