TWI624627B - Gas ignition - Google Patents

Abstract

The present invention relates to a gas ignition device, including: an operating lever that can adjust the amount of fuel; a fuel supply unit that supplies fuel; a venturi tube that is coupled to the fuel supply portion; and an air hole that passes through the venturi tube. One side allows air to flow in; a housing that surrounds the outside of the venturi tube; a button that is integrally formed in the housing and can move between a closed position where the air vent is closed and an open position where the air vent is opened; and a recovery unit , Which applies a restoring force to restore the button to the open position.

Therefore, since the number of components constituting the gas ignition device can be reduced, there is an effect that the cost can be reduced. In addition, the user can open and close the air hole by a simple operation of pressing a button by hand, and thus has an effect of being intuitively usable.

Description

Gas ignition

The present invention relates to a gas ignition device, and more specifically to an air hole opening and closing device for adjusting an air inflow amount of air holes formed in a gas ignition device such as a gas heater.

Generally, a gas heater is a heating device using gas as a fuel. Compared with a heating device using other fuels, the maintenance cost is low and the heat generation is high. The gas heater reduces the discharge pressure during ignition to reduce the amount of air flowing in, so that the ignition can be smoothly performed, and the spark is ejected outside the fire hole. In addition, after the ignition, the amount of air inflow is increased, so that the spark enters the fire hole, so that the gas heater emits normal firepower.

In this way, the function of adjusting the amount of air flowing into the gas ignition device is required in addition to gas heaters, and in various fuel ignition devices such as gas torches and gas burners.

Most of the conventional gas ignition devices use a method of rotating by wheels to adjust the amount of air inflow, but there is a problem that a plurality of members are required.

The present invention has been made in order to solve the above-mentioned existing problems, and an object thereof is to provide a technology capable of adjusting an air inflow amount without other members.

The gas ignition device of the present invention for achieving the above-mentioned object includes an operating lever capable of adjusting the amount of fuel; a fuel supply unit that supplies fuel; and a Venturi tube that is combined with the fuel supply unit An air hole that penetrates one side of the venturi tube to allow air to flow in; a casing that surrounds the outside of the venturi tube; and an air hole opening and closing device that is used to adjust the amount of air flowing into the air hole, the air hole The opening and closing device includes a button integrally formed in the housing and movable between a closed position in which the air hole is closed and an open position in which the air hole is opened; and a restoring portion that applies a restoring force to return the button to the open position .

Herein, the present invention is characterized in that the button is formed so as to penetrate the casing, and the recovery portion is in a strip shape that connects the button and the casing.

In addition, the present invention is characterized in that the button further includes: a holding portion on which one side can be applied with a force; and a convex portion formed on a surface of the holding portion opposite to the one surface so as to protrude toward the center of the housing. .

Further, the present invention is characterized in that a cross-sectional area of a surface of the convex portion that is in contact with the holding portion is larger than a cross-sectional area of an end portion protruding in the direction of the venturi, and the end portion is formed obliquely.

In addition, the present invention is characterized in that the case further includes an air suction hole formed on an opposite side of a side of the case where the button is formed to allow air to flow in smoothly.

According to the present invention, an air hole opening and closing device integrally formed in a housing is used, Therefore, other components are not required, and the number of components constituting the gas ignition device can be reduced, so that it has the effect of reducing costs.

In addition, the user can open and close the air hole by a simple operation of pressing a button by hand, and thus has an effect of being intuitively usable.

10‧‧‧Gas ignition device

110‧‧‧Ignition switch

120‧‧‧ Joystick

130‧‧‧Ignition nozzle

140‧‧‧ Fuel Supply Department

200‧‧‧shell

300‧‧‧ Venturi tube

310‧‧‧ Stomata

400‧‧‧ Stomatal opening and closing device

410‧‧‧ button

411‧‧‧holding department

412‧‧‧ convex

420‧‧‧Restoration Department

500‧‧‧air suction hole

FIG. 1 is a perspective view of a gas ignition device having a vent opening and closing device according to a first embodiment of the present invention.

FIG. 2 is an internal perspective view of the gas ignition device with the casing of FIG. 1 removed.

Fig. 3 is a perspective view of the venturi tube of Fig. 2.

FIG. 4 is an enlarged view of the stomata opening and closing device of FIG. 1.

FIG. 5 is an exploded perspective view of the casing of FIG. 1.

Fig. 6 is a cross-sectional view taken along AA 'in Fig. 1.

Fig. 7 is a sectional view of the button of Fig. 6 in a closed position.

8 is an exploded perspective view of a casing of a gas ignition device having a vent opening and closing device according to a second embodiment.

FIG. 9 is a cross-sectional view of the gas ignition device of FIG. 8.

Hereinafter, a gas ignition device according to a first embodiment of the present invention will be described in detail with reference to the drawings.

1 to 6 show a gas ignition device according to a first embodiment. FIG. 1 is a perspective view of a gas ignition device having a vent opening and closing device according to a first embodiment of the present invention. FIG. 2 is a case in which the casing of FIG. 1 is removed. 3 is a perspective view of the venturi tube of FIG. 2. In addition, the figure 4 is an enlarged view of the air vent opening and closing device of FIG. 1, FIG. 5 is an exploded perspective view of the housing of FIG. 1, FIG. 6 is a cross-sectional view of AA ′ of FIG. 1, and FIG. .

As shown in these drawings, the gas ignition device (10) according to the first embodiment of the present invention includes: an operating lever (120) capable of adjusting the amount of fuel; a fuel supply unit (140) for supplying fuel; and Venturi A tube (300) which is combined with the fuel supply section (140); an air hole (310) which penetrates one side of the venturi tube (300) to allow air to flow in; a casing (200) which surrounds the venturi tube (300) The outside; a button (410) integrally formed in the housing (200), capable of moving between a closed position where the air hole (310) is closed and an open position where the air hole (310) is opened; and a restoring section (420), which applies restoration Force to return the button (410) to the open position.

A fuel tank is connected to the fuel supply unit (140), and the fuel is ejected as a gas. The fuel supply unit (140) includes an adapter (not shown) for coupling with a fuel tank, and a nozzle (not shown) that receives the supply of gas.

The operation lever (120) adjusts the amount of gas ejected from the fuel tank by the fuel supply unit (140). Usually, an operation lever capable of adjusting the amount of rotation is used.

The venturi tube (300) is connected to the fuel supply portion (140), and one or more air holes (310) are formed through the side wall. The air flowing in from the outside through the air hole (310) is mixed with the gas to form a mixed gas. When the mixed gas is ejected to the outside, it meets the spark emitted from the ignition nozzle (130), thereby realizing ignition. At this time, by adjusting the amount of air flowing into the air holes (310), the intensity of the flame suitable for the application can be determined.

The casing (200) surrounds the outside of the venturi tube (300) and the fuel supply unit (140). The casing (200) is formed with an air hole opening and closing device (400) capable of adjusting the size of the air hole (310); and ignition A switch (110) which starts a gas ignition device (10).

The ignition switch (110) is formed by a button and can be ignited by pressing it.

The vent opening / closing device (400) includes a button (410) formed so as to penetrate the housing (200), and a restoration unit (420) that connects the housing (200) and the button (410).

The restoring part (420) is in a strip shape, and provides restoring force to move the button (410) to the closed position for closing the air hole (310) and the open position for opening the air hole (310).

The button (410) includes: a holding portion (411) whose one side can be applied with a force; and a convex portion (412) which is convex on the opposite side of the side of the holding portion (411) toward the center of the housing (200).出 formation.

When the user presses the gripping portion (411), the convex portion (412) blocks the air hole (310), thereby reducing the amount of air flowing into the venturi tube (300).

As shown in FIGS. 6 to 7, the cross-sectional area of the surface where the convex portion (412) contacts the grip portion (411) is larger than the cross-sectional area of the end portion protruding in the direction of the venturi tube (300), and the end portion is formed obliquely. When the button (410) is moved to the closed position, the air hole opening and closing device (400) is rotated around the point where the restoration part (420) and the housing (200) meet and inserted into the housing (200), and the convex part (412 The protruding end of) covers the air hole (310). At this time, the end portion of the convex portion (412) is formed obliquely, and the cross-sectional area of the end portion is larger than that of the air hole (310). Since it is large, the surface of the air hole (310) can be completely sealed.

In addition, the button (410) rotates around the point where the restoration unit (420) and the housing (200) meet and moves to the closed position. Therefore, when the button (410) is in the open position, the center axis of the button (410) and the The central axis is not consistent.

The gas ignition device (10) formed with such an air hole opening and closing device (400) moves the air hole opening and closing device (400) to a closed position during ignition, thereby closing the air holes (310), reducing exhaust pressure, and reducing air inflow. This facilitates ignition and allows sparks to be ejected outside the fire hole. Then, when the ignition is completed, the air hole opening and closing device (400) is moved to the open position, so that the air hole (310) is opened, so that the spark enters the fire hole and emits normal firepower.

In addition, the housing (200) has an air suction hole (500) formed on the side opposite to the side on which the button (410) is formed, so that air can flow in smoothly. In the first embodiment of the present invention, the air suction hole (500) has a shape similar to that of the air hole opening and closing device (400), but its shape is not limited.

As described above, when the air hole opening / closing device (400) integrally formed in the housing (200) is used, no additional components are required, and therefore the number of components constituting the gas ignition device (10) can be reduced, which has the effect of reducing costs. .

In addition, since the user can open and close the air hole (310) by a simple operation of pressing the button (410) by hand, it has an effect of being intuitively usable.

8 to 9 show a gas ignition device (10) according to a second embodiment. FIG. 8 is an exploded perspective view of a casing of the gas ignition device with a vent opening and closing device according to the second embodiment. FIG. 9 is a view of FIG. Sectional view of a gas ignition.

In the second embodiment, the structures other than the vent opening and closing device (400) and the venturi tube (300) are the same. Therefore, only the stomata opening and closing device (400) and the venturi tube (300) will be described in detail below, and repeated description of other structures will be omitted.

As shown in FIGS. 8 to 9, the venturi tube (300) is formed in two air holes (310). In order to open and close the air holes (310), two casing (200) air hole opening and closing devices (400) are also formed.

In the second embodiment of the present invention, the two air hole opening and closing devices (400) are formed at the facing positions with the venturi tube (300) as the center, but the angle formed by the two air hole opening and closing devices (400) is not limited. of. In addition, the stomata (310) and the stomata opening / closing device (400) may be formed in two or more as needed.

As described above, when the gas ignition device (10) in which a plurality of air hole opening and closing devices (400) are formed is used, there is an effect that the amount of air inflow can be variously adjusted.

The above only describes a part of the preferred embodiments that can be implemented by the present invention. As is well known, the scope of the present invention should not be interpreted by the above embodiments. The technical idea of the present invention described above and its related All technical ideas with the same subject matter should be included in the scope of the present invention.

Claims (6)

A gas ignition device includes: an operating lever that can adjust the amount of fuel; a fuel supply section that supplies fuel; a venturi tube that is coupled to the aforementioned fuel supply section; and a gas hole that runs through one side of the venturi tube so that Air inflow; a housing surrounding the outside of the venturi tube; and an air hole opening and closing device for adjusting the amount of air flowing into the air hole; the air hole opening and closing device includes a button integrally formed in the housing Can be moved between a closed position where the air hole is closed and an open position where the air hole is opened; and a restoring section that applies a restoring force to restore the button to the open position. The gas ignition device according to claim 1, wherein the button is formed so as to penetrate the housing; and the recovery unit is a bar shape connecting the button and the housing. The gas ignition device according to claim 2, wherein the button further includes: a holding portion on which one side can be applied with a force; and a convex portion on the opposite side of the one side of the holding portion so as to face the center of the housing. The way protruding forms. The gas ignition device according to claim 3, wherein a cross-sectional area of a surface of the convex portion in contact with the grip portion is larger than a cross-sectional area of an end portion protruding in the direction of the venturi tube; the end portion is formed obliquely. The gas ignition device according to claim 3, wherein the casing further includes an air suction hole formed on an opposite side of a side of the casing on which the button is formed to allow air to flow in smoothly. The gas ignition device according to claim 3, wherein the venturi tube is formed with two or more of the air holes; and the casing is formed of two or more of the air hole opening and closing devices.