KR100842354B1 - Gas torch - Google Patents

Abstract

A gas torch is provided to improve durability of the gas torch and facilitate replacement of the gas torch by making locking balls of metal balls for bearing which are easily found in a market. A gas torch comprises a main body(10) and a fitting unit(20). The main body has a fuel inlet(11), which is fit to an injection nozzle(2) at a fuel discharge part(1) of a gas container(G). The fitting unit, which is installed at the fuel inlet, couples the gas container with the main body. The fitting unit includes a clamp(100) and a locker(200). The clamp has a nozzle contact hole(110), locking ball holes(120), locking balls(130), and upper and lower plates(100a,110b). The nozzle contact hole interlocks the fuel inlet with the injection nozzle. The locking ball holes are formed around the circumference of the clamp. The locking balls, which are installed in the locking balls holes, move in and out of the locking balls holes, when the gas torch is coupled with the gas container. The upper and lower plates are assembled to each other by fastening members(B). The locker includes a rotative plate(210) and cams(220). The rotative plate rotates between the main body of the gas torch and the clamp. The cams, which are installed beneath the rotative plate, move along with the rotation of the rotative plate in cam spaces(140), and push the locking balls out of the locking ball holes. The locking balls are made of metallic material.

Description

Gas torch}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas stove, and more particularly, to a gas stove having a detachable means capable of installing a gas container more safely and easily.

In general, portable and mobile gas devices used at home or outdoors are used by mounting portable gas containers filled with fuel such as butane gas containers.

Since most gas containers are manufactured to international standards, they can be purchased and used anywhere in the world.

However, if the gas container is wrong, it can lead to a big accident that can threaten human life due to the explosion of the gas container. Therefore, when using the gas device using the gas container, the gas device and the gas container are securely coupled. More attention needs to be paid to check.

In order to prevent such a problem, recently, gas appliances having a detachable means capable of detaching the gas container more safely and easily have been developed.

As an example of the prior art, a connection adapter of a butane gas container having a detachable means mentioned above is proposed in Korean Utility Model Publication No. 96-23782.

However, the connection adapter of the butane gas container has a problem in that the tungsten pieces made of synthetic resin are easily worn by friction when moving to the position of the cam protrusion, thereby shortening the life of the product.

As another example of the prior art, in the Republic of Korea Utility Model Publication No. 246687, a connection mechanism of butane gas container is proposed.

However, the coupling mechanism of the butane gas container is formed in one pair by connecting connecting rods to two balls so that bearings do not separate from the bearing seat. In this case, since the durability is low, it is made of a synthetic resin material such as ABS resin. In addition, since a separate manufacturing process has occurred, the product cost increased. In addition, the coupling mechanism of the butane gas container has a rapid wear of the bearing because the bearing seated on the bearing seat moves directly to the bearing receiving groove, and when the life of the bearing expires, a separate bearing must be purchased again. A troublesome problem has arisen.

Accordingly, the present invention has been proposed to solve the above problems, and an object of the present invention is to provide a gas stove having a detachable means that can be installed more safely and easily, and which is easy to manufacture and durable. .

In addition, an object of the present invention is to provide a gas torch having a detachable means using a conventional metal ball for bearing that is easy to purchase on the market and is inexpensive.

In order to achieve the above object, the present invention provides a torch main body having a fuel inlet connected to an injection nozzle formed in a fuel discharge part region of a gas container, and installed in a region of the fuel inlet to detach the gas container and the torch main body. In the gas stove including a detachable means, the detachable means is coupled to the fuel inlet area, a nozzle connection port is formed at the center to connect the fuel inlet and the injection nozzle, and a plurality of locking holes are formed at the circumference. And a clamper having a locking ball partially protruding and returning to enter and exit through the locking hole to be engaged and released by the fuel discharging unit, and a positioning piece that is caught by the wing groove of the gas container at the periphery thereof. Is coupled to allow relative rotation with respect to the clamper to move the locking ball to the partial protruding and return position. It is characterized in that it comprises a locking operating member.

At this time, the clamper is composed of an upper plate and a lower plate each having a circumference, the upper plate and the lower plate is coupled by a coupling means, the locking hole is formed in the upper concave surface formed on the upper circumference and the upper concave surface It is preferable that the lower concave surface is formed to correspond to the lower plate.

In addition, the highest point of the upper concave surface and the lowest point of the lower concave surface are preferably located within the thickness of the circumference of the upper plate and the lower plate.

In addition, the locking hole is formed between the position where the upper plate and the lower plate are coupled by the coupling means, so that the upper concave surface and the lower concave surface elastically open when the locking ball is partially protruded. It is characterized by.

Here, the clamper has a cam driving space portion formed to communicate with the locking hole along the circumferential direction in the outer peripheral region of the nozzle connection port, the locking operation member is a rotating plate rotatably installed between the torch body and the clamper And a cam installed at the lower portion of the rotating plate and inserted into the cam driving space and pushing the locking ball toward the locking hole according to the rotation of the rotating plate.

In this case, a stopper for limiting the rotation section of the cam may be installed in the cam driving space.

In addition, the cam is characterized in that the surface in contact with the locking ball is inclined along the azimuth direction.

Here, the locking ball is preferably a metal material.

As described above, the gas torch according to the present invention can lock and release the locking ball to the fuel discharging portion of the gas container by the rotation of the rotating plate, thereby easily detaching the gas torch and the gas container. There is an advantage to that.

In addition, the gas stove according to the present invention can be used semi-permanently because the locking ball is locked to the fuel discharge portion and the locking ball is formed in a metal ball shape is accommodated in the locking ball and less wear, unlike the conventional Since there is no need to manufacture a separate, there is an effect that can reduce the unit cost of the product by shortening the manufacturing process.

The following provides a preferred embodiment to help the understanding of the present invention. The following examples are provided to more easily understand the present invention, and the present invention is not limited by these examples.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

1 to 6 show a gas torch according to the present invention, FIG. 1 is an exploded perspective view showing a state in which a gas torch and a gas container are coupled, and FIG. 2 is an exploded perspective view showing a state in which a clamper is coupled. Is a perspective view showing a locking operation member. In addition, Figure 4 is an operating state diagram illustrating that the locking ball is in the unlocked state, Figure 5 is an operating state diagram illustrating that the locking ball is in a locked state, Figure 6 schematically shows a state in which the gas torch and the gas container is coupled. Some enlarged cross-sectional views shown.

First, the gas container G mentioned in the present invention, as shown in Figure 1, has a fuel discharge portion (1) connected to the gas torch on the top to supply the fuel filled therein. An injection nozzle 2 for injecting the fuel to the outside is formed in the central region of the fuel discharge portion 1, and a wing for indicating the position of the gas container G in the circumferential region of the fuel discharge portion 1. Grooves 3 are formed. Such a gas container G can be used as a butane gas container normally marketed.

The gas stove according to the present invention includes a torch main body 10 used to receive fuel from the gas container G, and a detachable means 20 for detaching the gas container G and the torch main body 10. do.

Torch body 10 may be configured to select any one of the devices that can be used to receive the fuel from the gas container (G). For example, the torch body 10 according to the present invention may be configured by selecting a portable gas burner or a portable lamp. Hereinafter, as shown in FIG. 3, the torch main body 10 configured as a device capable of igniting a spark to eject the fuel supplied from the gas container G will be described as an embodiment.

The torch body 10 has a fuel inlet 11 connected to the injection nozzle 2 of the gas container G on its bottom face. In the torch body 10, fuel charged in the gas container G is injected into the flame radiator 12 through the fuel inlet 11, and an ignition means (not shown) provided in the area of the flame radiator 12. It is configured to be able to ignite a flame on the injected fuel by the operation of the). As such, the torch body 10 is preferably configured to control the thermal power by adjusting the injection amount of the fuel.

The detachable means 20 is installed at the fuel inlet 11 region of the torch body 10 to detach the gas container G and the torch body 10. The detachable means 20 is a clamper 100 having a locking ball 130 that is partially protruded and returned to be caught and released to the gas container (G), and the locking ball 130 in the partial protrusion and return position It includes a locking operation member 200 to move to.

As shown in FIGS. 1 and 2, the clamper 100 has a cylindrical shape of a size accommodated in the region of the fuel discharge portion 1 of the gas container G. The clamper 100 is made of plastics such as ABS resin, and is formed in a structure in which the upper plate 100a and the lower plate 100b each having the circumferential portions 105a and 105b are coupled by a coupling means as shown in FIG. 2. do. Here, the coupling means preferably has a structure in which the coupling protrusion 152 formed in the lower plate 100b is joined to the coupling hole 151 formed in the upper plate 100a, and then joined.

At this time, the hollow portion is formed in the center of the upper plate (100a), the fuel inlet 11 and the injection nozzle (2) to pass through the injection nozzle 2 to the center of the lower plate (100b). The nozzle connector 110 is formed. Locking holes 120 are formed in the peripheral portions 105a and 105b of the upper plate 100a and the lower plate 100b.

The locking hole 120 is formed in the circumferential portions 105a and 105b of the clamper 100 to which the upper plate 100a and the lower plate 100b contact each other. Specifically, the locking hole 120 is an upper concave surface (120a) and the upper concave surface (120a) formed on the upper plate (100a) so that the upper plate (100a) and the lower plate (100b) is integrally formed when combined. The lower concave surface 120b is formed to correspond to the lower plate 100b. The locking hole 120 is formed at least two or more between the upper plate and the lower plate is coupled by the coupling means, preferably four are formed at regular intervals.

At this time, the upper concave surface (120a) and the lower concave surface (120b), as shown in Figures 4 (b) and 5 (b), the highest point of the upper concave surface (120a) of the circumference of the upper plate (100a) It is located within the thickness (105a), the lowest point of the lower concave surface (120b) is formed to be located within the thickness of the peripheral portion (105b) of the lower plate (100b).

The clamper 100 has a locking ball 130 accommodated in the locking hole 120. Specifically, the locking ball 130 is accommodated between the upper concave surface (120a) and the lower concave surface (120b) is partially projected and returned to be caught and released to the fuel discharge unit (1).

The locking ball 130 may be made of various materials, such as reinforced plastic, but preferably uses a metal ball for bearings. This is not only easy to obtain in the market when replacing the locking ball 130, there is an advantage of low price. These locking balls 130 are accommodated in the four locking balls 120, respectively, as shown in FIG.

The clamper 100 further includes a cam driving space 140 in the outer circumferential region of the nozzle connector 110. Specifically, the cam driving space 140 is a space for the cam 220 to be described later to flow, is formed to communicate with the locking hole 120 in the circumferential direction in the outer peripheral region of the nozzle connector 110. do. The cam driving space portion 140 is preferably formed so that the section is partitioned by the stopper 150 provided inside, so as to communicate with the four locking holes 120, respectively.

The stopper 150 is formed to serve to limit the flow section of the cam 220. The stopper 150 is composed of two pairs 150a and 150b, as shown in FIG. The pair of stoppers 150a are formed on the upper plate 100a and the lower plate 100b, respectively, to be coupled to each other. At this time, the stopper 150 formed in the upper plate (100a) and the lower plate (100b) is formed with the coupling hole 151 and the coupling protrusion 152 as the coupling means, respectively. In addition, the other pair of stoppers 150b is formed on the lower plate 100b so as to cross the pair of stoppers 150a, and a screw through hole 153 through which the fixing screw B penetrates is formed inside. .

The clamper 100 is fixedly coupled to the fuel inlet 11 region of the torch body 10 by fixing means such as a fixing screw B.

The locking operation member 200 may be coupled to allow relative rotation with respect to the clamper 100, and is preferably installed to be interposed between the torch body 10 and the clamper 100 as shown in FIG. 1. . The locking operation member 200 includes a rotating plate 210 and a cam 220 to move the locking ball 130 to the partial discharge and return positions with respect to the fuel discharge unit 1.

Figure 3 shows a perspective view from the bottom to better understand the configuration of the locking operation member 200. As shown in FIG. 3, the rotating plate 210 has a disc shape, and an insertion hole 211 coupled to the fuel inlet 11 is formed at the center thereof, and the fixing means penetrates around the insertion hole 211. The screw through hole 212 is formed. Screw through hole 212 is preferably formed in the circumferential direction so as not to be limited by the fixing screw (B) when the rotating plate 210 flows.

In addition, a circumference of the rotating plate 210 is provided with a positioning piece 213 to be caught in the wing groove 3 of the gas container (G) to fix the position of the gas container (G). Therefore, the gas container G rotates relative to the clamper 100 together with the locking operation member 200.

A plurality of cams 220 are formed around the insertion hole 211 and inserted into the cam driving space 140. In detail, four cams 220 are formed to be accommodated in the four cam driving spaces 140, respectively, and each cam 220 flows along the circumferential direction to move the locking ball 130 to the portion. Move to protruding and return position. 4 and 5, the cam 220 is preferably formed so that the surface in contact with the locking ball 130 is inclined along the azimuth direction. At this time, the inclined surface 221 of the cam 220 is in contact with the fuel discharging unit 1 when the locking ball 130 is in the unlocked state, and when the locking ball 130 is moved to the locked state It is preferable that the locking ball 130 is formed to partially protrude.

4 is a view illustrating a state in which the locking ball 130 is released from the fuel discharging unit 1 of the gas container G, and FIG. 4 (a) is an operation state diagram of the detachable means 20, and FIG. b) is a partial sectional view of the state in which the detachable means 20 is accommodated in the fuel discharge part 1.

As shown in (a) of FIG. 4, the locking ball 130 in the unlocked state is accommodated inside the locking hole 120, but partially protrudes toward the cam driving space part 140, so that the cam 220 is closed. In contact with the inclined surface 221.

At this time, the locking ball 130 is maintained in a state that almost does not protrude to the outside of the circumference 105 of the clamper 100, as shown in Figure 4 (b), the clamper 100 to the fuel discharge portion (1) It is possible to enter and exit freely.

On the other hand, when the locking ball 130 is rotated when the rotating plate 210 to maintain the unlocked state, as shown in Figure 5 the locking balls 130 by the cams 220 formed on the rotating plate 210 Is partially protruded to maintain the locked state to the fuel discharge portion (1).

Specifically, as shown in FIG. 5 (a), the locking ball 130, which has been in contact with the inclined surface 221 of the cam 220, is circumferentially 105 of the clamper 100 by the inclined surface 221. Partly protruded outward to move to the locking position with respect to the fuel discharge (1).

At this time, the locking ball 120, as shown in Figure 5 (b), while the upper concave surface (120a) of the upper plate (100a) and the lower concave surface (120b) of the lower plate 100b is finely opened, the locking ball Protrude 130 outwardly. This is possible because the locking hole 120 is formed between the coupling means bonded to the upper plate (100a) and the lower plate (100b).

6 is a partially enlarged cross-sectional view schematically showing a state where the gas torch according to the present invention is coupled to the gas container G. Referring to FIG. As shown in FIG. 6, when the locking balls 130 partially protrude from the fuel discharging unit 1 by the rotation of the rotating plate 210, the gas balls are moved by the locking balls 130. It is firmly coupled with the container (G). In this case, the injection nozzle 2 is connected to the fuel inlet 11 through the nozzle connecting port 110 and supplies fuel to the inside of the torch body 10. At this time, the connection region of the fuel inlet 11 is preferably provided with an O-ring (13) in close contact with the injection nozzle (2) in order to prevent the fuel from leaking to the outside.

On the other hand, the gas torch and the gas container (G) coupled as described above can be separated from each other by rotating the rotating plate 210 reversely. When the rotating plate 210 is rotated in reverse, the cams 220 are returned to their original positions, and the locking balls 130 may be returned to the unlocked position by the flow of the cams 220. The locking ball 130 is formed so that the upper plate (100a) and the lower plate (100b) is finely opened when the locking ball 130 is protruded outward portion to the locking position release position of the locking ball 130 When flowed to the upper concave surface 120a and the lower concave surface 120b are returned by elasticity.

As described above, the gas torch according to the present invention can lock and release the locking ball to the fuel discharging portion of the gas container by the rotation of the rotating plate, thereby easily detaching the gas torch and the gas container. There is an advantage to this.

In addition, the gas stove according to the present invention can be used semi-permanently because the locking ball is locked to the fuel discharge portion and the locking ball is formed in a metal ball shape is accommodated in the locking ball and less wear, unlike the conventional Since it is not necessary to manufacture a separate, there is an effect that can reduce the unit cost of the product by shortening the manufacturing process.

On the other hand, the present invention is not limited to the above-described typical preferred embodiment, but can be carried out in various ways without departing from the gist of the present invention, various modifications, alterations, substitutions or additions in the art Anyone who has this can easily understand it. If the implementation by such improvement, change, replacement or addition falls within the scope of the appended claims, the technical idea should also be regarded as belonging to the present invention.

1 is an exploded perspective view showing a state in which the gas torch and gas container are coupled according to the present invention;

Figure 2 is an exploded perspective view showing a state in which the clamper of Figure 1 is coupled,

3 is a perspective view showing the locking operation member of FIG.

4 is an operational state diagram illustrating that the locking ball according to the present invention in the unlocked state,

Figure 5 is an operating state diagram illustrating that the locking ball of Figure 4 is in a locked state,

6 is a partially enlarged cross-sectional view schematically illustrating a state in which the gas torch and the gas container of FIG. 1 are coupled to each other.

※ Explanation of codes for main parts of drawing

G: gas container 1: fuel discharge part

2: spray nozzle 3: wing groove

10: torch body 11: fuel inlet

12: Fireworks 13: O-ring

20: Detachable means B: Fixing screw

100: clamper 100a, 100b: top plate, bottom plate

105 (a, b): circumference 110: nozzle connection port

120: locking hole 120a: upper concave surface

120b: Lower concave surface 130: Rocking ball

140: cam drive space portion 150 (a, b): stopper

151: coupling hole 152: coupling protrusion

153: screw through hole 200: locking operation member

210: rotating plate 211: insertion groove

212: screw hole 213: positioning piece

220: cam 221: inclined surface

Claims (8)

A torch main body 10 having a fuel inlet 11 connected to the injection nozzle 2 formed in the region of the fuel discharge section 1 of the gas container G, and provided in the region of the fuel inlet 11; In the gas stove comprising a detachable means 20 for attaching and detaching the container (G) and the torch body 10, The detachable means 20, It is coupled to the fuel inlet 11 region, the nozzle inlet 110 for connecting the fuel inlet 11 and the injection nozzle 2 is formed in the center, a plurality of locking holes ( 120 is formed, the clamper 100 having a locking ball 130 to protrude and return to the entrance and exit through the locking hole 120 to engage and release the fuel discharging unit 1, It has a positioning piece 213 that is caught in the wing groove 3 of the gas container (G) around, coupled to allow relative rotation with respect to the clamper 100 is projecting the locking ball 130 to the partial And a locking operation member 200 for moving to the return position, The clamper 100 is composed of an upper plate 100a and a lower plate 100b each having a circumference 105, and the upper plate 100a and the lower plate 100b are coupled by a coupling means. The locking hole 120 corresponds to an upper concave surface 120a formed in the upper plate circumferential portion 105a and a lower concave surface 120b corresponding to the upper concave surface 120a and formed in the lower plate circumferential portion 105b. Gasstoche, characterized in that consisting of). delete The method of claim 1, A gasstoch, characterized in that the highest point of the upper concave surface (120a) and the lowest point of the lower concave surface (120b) are located within the thickness of the peripheral portion 105 of the upper plate and the lower plate. The method of claim 3, wherein The locking hole 120 is formed between the position where the upper plate (100a) and the lower plate (100b) is coupled by the coupling means, when the locking ball 130 is partially projected with the upper concave surface (120a) A gas torch, characterized in that the lower concave surface (120b) to be elastically open. The method of claim 1, The clamper 100 has a cam driving space 140 formed to communicate with the locking hole 120 along the circumferential direction in the outer circumferential region of the nozzle connector 110, The locking operation member 200 is provided with a rotating plate 210 rotatably installed between the torch body 10 and the clamper 100, and is installed below the rotating plate 210 and the cam driving space part ( 140 is inserted into the gasstoke, characterized in that it comprises a cam 220 for pushing the locking ball 130 toward the locking hole 120 in accordance with the rotation of the rotating plate (210). The method of claim 5, The gas driving space 140 is characterized in that the stopper 150 is installed to limit the rotation section of the cam 220. The method of claim 5, Gas cam, characterized in that the cam 220 is inclined along the azimuth direction of the surface in contact with the locking ball 130. The method of claim 1, The locking ball 130 is a gas torch characterized in that the metal material.

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