JPH116620A - Lighter for smoking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the assembly of a lighter, by a method wherein a nozzle unit is attached directly to a gate opening and closing valve movable up and down to separate independently the nozzle unit from a cap or a casing, and a discharging electrode in the nozzle unit is connected to the take-out electrode of a high-voltage generating device through simple construction, in a lighter for smoking which is capable of producing both of pre-mixing flame and diffusion flame simultaneously. SOLUTION: A lighter for smoking is provided with a nozzle unit 4, connected directly to the nozzle 8, of a gas opening and closing valve 7 movable up and down, capable of conducting fuel gas in a fuel tank 2 to feed the gas out of the tank and capable of forming pre-mixing flame and diffusion flame, while the nozzle unit 4 is separated independently from the casing 1 or the wind shielding cap 5 and the like. In the case, the nozzle unit 4 is provided with a distributor 17 capable of branching the fuel gas into two directions, to lead the gas fuel of one direction into the direction of a combustion tube for forming the pre-mixing flame, while the gas fuel of the other direction is led into the direction of diffusion flame port for forming the diffusion flame.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smoking lighter for igniting tobacco, cigars and the like, and more particularly to a smoking lighter capable of forming two kinds of flames, a premixed flame and a diffusion flame.

[0002]

2. Description of the Related Art Conventionally, two types of flames have been created: a premixed flame in which combustion air is mixed in advance with fuel gas prior to ignition, as in a Bunsen burner, and a diffusion flame, which burns while taking in combustion air from the surroundings. Enabled smoking lighters are known. Although the premixed flame can obtain a strong flame against the wind, it has a drawback that a flame extending outside can not be formed like a diffusion flame. Therefore, lighters capable of forming both premixed flames and diffusion flames have been proposed and put to practical use.

A known lighter capable of producing both a premixed flame and a diffusion flame has a large nozzle portion for forming a flame. Therefore, the nozzle portion is fixed to a cap portion or a casing of the lighter and the fuel tank is removed from the fuel tank. In general, a gas opening / closing valve that moves up and down to open and close the fuel gas and a nozzle portion are connected by a flexible connection pipe means such as a silicon tube so that the fuel gas flows out. However, in such a conventional structure, there is a problem that connection between the gas on-off valve and the nozzle portion is troublesome, the work efficiency of lighter manufacturing is low, and the silicon tube often comes off. Further, there is also a problem that heat is transmitted to a cap or a casing to which the nozzle portion is fixed and becomes hot, and an external impact is directly transmitted to the nozzle portion, and a combustion cylinder or the like made of ceramic is damaged.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a smoking lighter capable of producing both a premixed flame and a diffusion flame at the same time. The nozzle is separated and independent from the cap and casing, and the discharge electrode in the nozzle and the extraction electrode of the high-voltage generator are connected with a simple structure to simplify the assembly of the lighter. is there.

[0005]

In order to solve the above-mentioned problems, the present invention employs a premixed flame and a diffusion flame in a vertically moving nozzle of a gas on-off valve capable of discharging fuel gas in a fuel tank. Are directly connected to each other, and the nozzle portion is separated and independent from the lighter casing or the windshield cap or the like.

In addition, the nozzle portion is provided with a flow divider capable of dividing gas fuel in two directions, and one gas fuel is diffused in the direction of a combustion cylinder for forming a premixed flame, and the other gas fuel is diffused for forming a diffusion flame. It is characterized in that it is led out in the direction of the flame hole. The flow rate adjusting rod, which is inserted in the flow channel in the direction of the diffusion flame hole of the flow distributor, is attached by fitting.

Further, an earth plate is sandwiched and fixed between the conductive diffusion tube and the ejection tube of the nozzle portion.

Further, the invention is characterized in that a positive electrode plate constituting the discharge electrode is fixed to the outer peripheral side surface of the combustion cylinder. The positive electrode plate includes a central electrode portion that extends inward through the side wall of the combustion cylinder and an engagement piece that engages with a groove on the outer surface of the combustion cylinder.

Further, the combustion cylinder comprises a cylindrical body whose lower surface is open and whose upper surface is closed by a flame hole plate, wherein the flame hole plate has a plurality of flame holes, and at least one flame hole is close to the diffusion flame hole. It is characterized by being formed. The flame hole plate is formed integrally with the combustion cylinder or separately from the combustion cylinder, and is integrally fixed to the upper portion.

[0010] Further, the present invention is characterized in that the diffusion tube is formed of a conductive ceramic material or zinc.

Further, a gas opening / closing valve attached to the fuel tank and capable of extracting fuel gas from the tank to the outside of the tank is provided.
A flow control means comprising an elastic sheet material and a flow control sheet having fine holes laminated on the elastic sheet material, a valve assembly capable of pressing the flow control means, and a mounting ring, wherein the mounting ring has a spiral shape. A slit and a continuous vertical slit are provided at the upper end of the spiral slit, and a projection engaging with the slit is formed on the valve assembly, and the movement of the projection along the spiral slit causes the valve assembly and the mounting ring to reciprocate. It is characterized by moving up and down.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail below. Referring to the drawings, reference numeral (1) denotes a lighter casing, in which a fuel tank (2) is partitioned and formed, and can store a liquid fuel gas under pressure. In the illustrated embodiment, the casing
(1) is formed of a synthetic resin having pressure resistance, and is provided with an injection valve means capable of replenishing the fuel gas in the tank as required. On one side of the upper part of the casing (1), a high voltage generator (3) for generating a high voltage by hitting a piezoelectric element with a hammer is incorporated, and supplies a required high voltage to a discharge electrode of a nozzle portion. I can do it. High voltage generator
Adjacent to (3), a nozzle part (4) is arranged at the upper part of the casing, and a metal windshield cap (5) surrounding the outer peripheral part of the nozzle part (4) is located at the upper part of the casing (1). It is stuck to. A flame port (6) is formed on the upper surface of the windshield cap (5) in alignment with the flame emission hole of the nozzle portion. In the fuel tank (2), a gas on-off valve that allows the outflow of the stored fuel gas
A nozzle (4) is connected to the gas on-off valve (7).

According to the present invention, in such a known smoking lighter, the nozzle portion (4) is directly connected to the upper end of the vertically moving nozzle (8) of the gas on-off valve (7), thereby forming the nozzle of the gas on-off valve. The first feature is that the nozzle portion (4) is freely moved up and down together with the up and down movement. The nozzle part (4)
It is connected only to the nozzle (8) of the gas on-off valve, and is separated and independent from the lighter casing and the windshield cap (5). As a result, the heat of the flame formed in the nozzle portion (4) is not transmitted to the lighter casing (1) and the windshield cap (5), and an external impact is not directly transmitted to the nozzle portion (4). In addition, it is possible to avoid an accident that a ceramic combustion cylinder or the like in the nozzle portion (4) is damaged by impact.

Next, in order to simplify the connection between the extraction electrode of the high voltage generator and the discharge electrode in the nozzle part (4), the present invention provides an earth plate (9) provided in the nozzle part (4) and a ground plate (9). A second feature is that the positive electrode plate (10) can be easily attached. That is, the ground plate (9)
(4) is fixed by sandwiching it between the diffusion tube and the flow divider, and this earth plate (9) is directly connected to the earth electrode (1) of the high voltage generator (3).
The connection is made by contacting with 1). This eliminates the necessity of making a part of the nozzle part (4), particularly the flow divider, conductive, as compared with the conventional structure in which the gas on / off valve is connected to the ground electrode through lever means for opening and closing the gas on / off valve. Can be simplified to reduce the cost.
In addition, since the positive electrode plate (10) has a structure that is fitted and attached to the combustion tube, it is compared with a conventional structure in which a wire serving as a discharge electrode is inserted into the electrode mounting hole of the combustion tube and bonded and fixed. , Which can result in lower assembly costs. Still other features of the present invention will become apparent in the following description with reference to the drawings.

Referring to FIGS. 4 and 5, (12) is a push button piece which is mounted on the upper portion of the high voltage generator (3), and operates by pressing down the high voltage generator (3) with a finger. I can do it. The push button piece (12) is non-conductive, but the metal cap (13) mounted on the inner surface is in contact with the positive side of the high voltage generator (3). When the high voltage generator 3 is actuated by pressing the push button piece 12 with a finger in the non-operating state of FIG. 4, the lower end of the push button piece 12 descending as shown in FIG. Depress the member (14) and press the nozzle of the gas on-off valve (7)
(8) is raised. Nozzle part with rise of nozzle (8)
(4) rises, and the nozzle part (4) and the high voltage generator (3) move up and down reciprocally. High voltage generator (3) and nozzle (4)
The metal cap (13) moves the nozzle
Contact with the plus electrode plate (10) of (4) and ground electrode
(11) comes into contact with the ground plate (9), an electric circuit is completed, a discharge spark is generated in the combustion cylinder of the nozzle portion (4), and the outflowing gas is ignited.

The structure of the nozzle (4) will be described in detail with reference to FIGS. The nozzle part (4) is connected to a large-diameter combustion cylinder (15) located at the upper part, a diffusion cylinder (16) connected to a lower part of the combustion cylinder (15), and a lower part of the diffusion cylinder (16). Current divider (1
The flow divider (17) is connected to the nozzle (8) of the gas on-off valve via the plug (18). The combustion tube (15) is made of ceramic, and the upper surface is closed by a flame hole plate (19). A plurality of flame holes (20) and (21) are formed in the flame hole plate (19) for closing the upper surface. The central flame hole (20a) has a slightly larger diameter, and a plurality of smaller-diameter flame holes (20b) are arranged at intervals around the center flame hole (20a).
One arc hole (21) extending in an arc shape is formed adjacent to a diffusion flame hole (22) for producing a diffusion flame described later. The side surface of the arc-shaped flame hole (21) on the side of the diffusion flame hole (22) is formed as a slope, so that the flame to be burned can easily move to the diffusion flame nozzle (22). I have. The flame holes (20) and (21) formed in the flame hole plate (19) may be two arc-shaped flame holes formed at diametrically opposed positions as shown in FIG.

Conventionally, a wire made of platinum is attached to the upper part of a combustion tube, and re-ignition is performed when it is blown out by wind or the like by the catalytic action of platinum. However, platinum is extremely expensive.
The present invention makes it possible to form a wind-resistant flame without using such expensive platinum. If no platinum wire is attached to the upper part of the combustion cylinder, the premixed flame formed in the combustion cylinder is
It was relatively weak against wind from above or obliquely above the combustion cylinder and was easily blown out. Therefore, in the present invention, the upper surface of the combustion cylinder is closed with a flame hole plate to block wind from above or obliquely upward, so that it is difficult to blow out, and one flame hole formed in the flame hole plate is formed by a diffusion flame hole. By arranging it close to (22), the flame from the flame hole is used as a diffusion flame to ignite.

The diffusion tube (16) is made of a conductive ceramic or a metal such as zinc or brass. The gas is premixed with the gas by suctioning air by a gas flow rising at a high speed in the diffusion tube on the way. Air port (23) is formed, and a diffusion plate (2
4) is provided. The flow splitter (17) can split the fuel gas from the nozzle (8) of the gas on-off valve connected to the tank in two directions. One of the split gases is a diffusion tube (16)
From the jet cylinder (25) attached to the lower part of the
It is spouted in (16). The other divided gas flows toward the flow rate adjusting cylinder (26) extending laterally, and after adjusting the flow rate, flows out of the diffusion flame hole (22) through the connecting pipe (27). A flow control body (28) made of a malt plane and a flow control rod (29) capable of pressing the flow control body (28) are inserted into the flow control cylinder (26). The flow rate adjusting rod (29) is mounted by fitting instead of mounting by a conventional screw, and adjusts the flow rate by the fitting depth. By mounting the flow rate adjusting rod (29) by fitting instead of screwing, the structure of the flow divider becomes simple, and the cost can be reduced. Conventionally, the diffusion tube (16) was formed of brass, but since the present inventor has conducted experiments, it has been found that the temperature does not actually become so high. Therefore, the diffusion tube (16) can be formed of zinc.

The earth plate (9) has a mounting hole (30) formed in the mounting plate portion mounted on the jetting cylinder (25), and when the diffusion cylinder (16) and the flow divider (17) are fitted together, It is sandwiched and fixed. Since the ground plate (9) is fixed between the diffusion tube (16) and the flow divider (17) in this manner, the upper part of the diffusion tube in contact with the ground plate (9) is made conductive. The current divider can be made non-conductive, and the lever member can be
Since there is no need to form a circuit via (14), there is an advantage that the circuit configuration is simplified and the shunt can be formed of a non-conductive material. The positive electrode plate (10) is shown in FIG.
The central electrode part (31) is inserted into the combustion cylinder, and the engagement pieces (32) on both sides are engaged in the engagement grooves (33) formed in the side wall of the combustion cylinder. And attach it. Thus, the mounting of the positive electrode plate (10) becomes extremely easy, and the assembly cost of the lighter can be reduced.

Referring to FIGS. 9 to 11, the gas on-off valve (7) attached to the fuel tank (2) includes a valve body (34) constituted by the wall of the tank. 34) is open upward, and a communication hole (35) communicating with the inside of the tank is formed in the lower end wall. Of course, the valve body (34) may be formed separately from the tank and fixed to the tank. In the valve body (34), the valve assembly (36)
And a mounting ring (37) to which the valve assembly is attached. The valve assembly (36) is constantly urged downward by receiving the resilient force of a spring (40) in the adjusting cylinder portion formed of a combination of two cylindrical members (38) and (39). A sealing member (41) such as rubber is fixed to the lower end of the nozzle (8), and the gas passage (42) of the adjusting cylinder (38) can be closed. The lower end of the adjusting cylinder portion (38) abuts against and pushes the flow rate adjusting sheet (44) laminated on an elastic sheet material (43) such as rubber disposed inside the valve body portion (34). In this way, the area through which gas can pass can be changed freely.

The mounting ring (37) has a spiral slit (4
5) is formed, and a vertically extending slit (46) is connected to the uppermost portion of the slit (45) and is opened upward. or,
A projection (47) that engages with the slits (45) and (46) is provided on the outer peripheral side surface of the adjustment cylinder (39) of the valve assembly (36).
When the projection (47) is engaged with the spiral slit (45) from the vertical slit (46) to rotate the valve assembly, the spiral slit (45)
The valve assembly moves up and down along (45), and the adjusting cylinder (39)
The flow rate adjusting sheet (44) can be pressed by the lower end of the sheet. For relative rotation of the mounting ring and the valve assembly, the mounting ring (37) is fitted and fixed in the valve body (34), and the lighter casing (38) is provided at the upper end of the adjustment cylinder (38) of the valve assembly. 1) The adjustment ring (48) that can be rotated from the outside is engaged. A lever member (14) is engaged with the small-diameter neck portion of the nozzle (8) as shown in FIG.
(41) is separated from the gas through hole (42) to open the gas through hole.

The flow rate adjusting sheet (44) is made of a sheet or a semi-permeable membrane having fine pores called a membrane film. When the flow rate adjusting sheet (44) is laminated and pressed on the elastic sheet material (43), the flow rate adjusting sheet (44) Therefore, the area through which gas can pass changes because the micropores are closed. With such a flow rate adjusting means, it is possible to adjust the gas flow rate with a slight change in the pressing amount of about 0.1 to 0.2 mm. Thus, it is possible to sufficiently adjust the required gas flow rate even with a small up and down movement of the valve assembly by the combination of the spiral slit and the projection engaged therewith as described above. And the advantage of such a flow rate adjustment sheet,
The present invention can be enjoyed by assembling the valve assembly and the mounting ring by engaging the projection with the slit. That is, the engagement between the projection and the slit makes it extremely easy to assemble the valve assembly and the mounting ring, and the assembling and disassembling of the gas on-off valve becomes easy, so that the assembly cost can be significantly reduced.

The combustion tube (15) shown in FIGS. 6 to 8 has a flame plate (19) for closing the upper surface integrated with the combustion tube.
As shown in FIG. 14, the flame hole plate (19) may be formed separately from the combustion tube (15) and adhered with an appropriate adhesive (49) such as Aron ceramic. By making the flame hole plate (19) separate from the combustion cylinder, compared to forming the flame hole plate (19) integrally with the combustion cylinder,
Manufacturing becomes easy. (50) is a combustion cylinder presser applied between the upper surface of the combustion cylinder and the flange (51) of the diffusion cylinder in order to further strengthen the joining between the combustion cylinder (15) and the diffusion cylinder (16). Frame
It is formed of a spring material having elasticity. Also, as shown in FIGS. 15 to 17, even when the flame hole plate (19) is integrally formed, a step (52) is formed in the middle of the upper part of the combustion cylinder, and this step (5) is formed.
It is preferable to apply a combustion cylinder holding frame (50) between 2) and the flange part (51) of the diffusion cylinder to strengthen the joint between the combustion cylinder and the diffusion cylinder.

[0024]

According to the present invention, there is provided a smoking lighter capable of producing both a premixed flame and a diffusion flame at the same time. Since it is separated and independent from the cap and the casing, the heat in the nozzle portion is not transmitted to the lighter casing and the windshield cap, and the impact from the outside can be buffered to prevent the nozzle portion from being damaged. Further, the discharge electrode in the nozzle portion and the extraction electrode of the high voltage generator are connected with a simple structure, so that the assembly of the lighter can be simplified and the cost can be reduced.
Further, assembling of the gas on-off valve becomes easy, which can lead to a reduction in assembly cost. Furthermore, a flame resistant to wind can be obtained with an inexpensive structure, and re-ignition of a diffusion flame can be reliably achieved.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a lighter according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a sectional view of the same.

FIG. 4 is a sectional view of a non-ignition state.

FIG. 5 is a sectional view of an ignition state.

FIG. 6 is a plan view of a nozzle portion.

FIG. 7 is a sectional view of the same.

FIG. 8 is an exploded perspective view of the same.

FIG. 9 is a sectional view of a gas on-off valve.

FIG. 10 is a perspective view showing an assembled state of a valve assembly and a mounting ring.

FIG. 11 is an exploded perspective view of the same.

FIG. 12 is an external perspective view showing a modification of the combustion cylinder.

FIG. 13 is a sectional view of the same.

FIG. 14 is an exploded perspective view of the same.

FIG. 15 is an external perspective view showing still another modification of the combustion cylinder.

FIG. 16 is a sectional view of the same.

[Explanation of symbols]

 (1) Lighter casing (2) Fuel tank (3) High voltage generator (4) Nozzle (5) Windshield cap (6) Flame port (7) Gas on / off valve (8) Nozzle (9) Ground plate (10) Positive electrode (11) Earth electrode (12) Push button piece (13) Metal cap (14) Lever member (15) Combustion cylinder (16) Diffusion cylinder (17) Divider (18) Plug (19) Flame plate (20 ) Flame hole (21) Flame hole (22) Diffusion flame hole (23) Air hole (24) Diffusion plate (25) Ejection cylinder (26) Flow control cylinder (27) Connecting pipe (28) Flow regulator (29) Flow rate Adjusting rod (30) Mounting hole (31) Electrode (32) Engagement piece (33) Engagement groove (34) Valve body (35) Communication hole (36) Valve assembly (37) Mounting ring (38) Cylindrical Member (39) Cylindrical member (40) Spring (41) Sealing material (42) Gas through hole (43) Elastic sheet material (44) Flow control sheet (45) Spiral slit (46) Vertical slit (47) Projection (48 ) Adjustment ring (49) Adhesive (50) Combustion cylinder holding frame (51) Flange (52) Step

Claims (12)

[Claims] An up-down moving nozzle of a gas on-off valve capable of discharging fuel gas in a fuel tank is directly connected to a nozzle portion capable of forming a premixed flame and a diffusion flame, and the nozzle portion is connected to a lighter casing or a windshield cap. A lighter for smoking, characterized by being separated from and independent of the smoker. 2. A nozzle for distributing a gaseous fuel in two directions, wherein one gaseous fuel is diffused in a direction of a combustion cylinder for forming a premixed flame, and the other gaseous fuel is diffused for forming a flame. The smoking lighter according to claim 1, wherein the lighter is led out in the direction of the flame hole. 3. The smoking lighter according to claim 2, wherein a flow rate adjusting rod inserted in the flow dividing channel of the flow dividing device in the direction of the diffusion flame hole is attached by fitting. 4. The smoking lighter according to claim 1, wherein an earth plate is sandwiched and fixed between the conductive diffusion tube and the ejection tube of the nozzle portion. 5. The smoking lighter according to claim 1, wherein a positive electrode plate constituting the discharge electrode is fixed to an outer peripheral side surface of the combustion tube. 6. A positive electrode plate comprising: a central electrode portion extending inward through a side wall of a combustion cylinder; and an engagement piece engaged with a groove on an outer surface of the combustion cylinder. The smoking lighter according to claim 5, characterized in that: 7. A combustion cylinder comprises a cylindrical body whose lower surface is opened and whose upper surface is closed by a flame hole plate, wherein the flame hole plate has a plurality of flame holes, and at least one flame hole is close to the diffusion flame hole. The lighter for smoking according to any one of claims 1, 2, 4, 5, and 6, wherein the lighter is formed as follows. 8. The smoking lighter according to claim 7, wherein the flame plate is formed integrally with the combustion tube. 9. The combustion hole plate is formed separately from the combustion cylinder, and is integrally fixed to an upper portion thereof.
A lighter for smoking as described. 10. The smoking lighter according to claim 1, wherein the diffusion tube is formed of a conductive ceramic material. 11. The smoking lighter according to claim 1, wherein the diffusion tube is formed of zinc. 12. A flow control valve comprising: an elastic sheet material and a flow control sheet having fine holes laminated on the elastic sheet material, the gas on-off valve being attached to the fuel tank and capable of extracting fuel gas from the tank to the outside of the tank. Means, a valve assembly capable of pressing the flow rate adjusting means, and a mounting ring, wherein the mounting ring is provided with a helical slit and a continuous vertical slit at the upper end of the helical slit, and a projection engaged with the slit is provided. A smoking lighter formed in the valve assembly, wherein the movement of the protrusion along the helical slit causes the valve assembly and the mounting ring to move reciprocally up and down.