KR200357232Y1 - Portable butane gas can - Google Patents

Abstract

A reusable and rechargeable portable butane gas container is disclosed in which the valve is prefabricated and detachably coupled. Portable butane gas container according to the present invention includes a container body and a valve. The container body has a cylindrical shape and the dome-shaped lower body seals the lower part, and likewise, the dome-shaped upper body seals the upper part. At this time, the center of the upper body is bent downward to provide a seating portion for engaging the valve. The valve is a guide cup which is inserted into the seat and hangs on the bottom of the seat, and a compression spring, stem, nozzle packing and body which are sequentially arranged on the upper part of the guide pipe, and a mounting cup pressed by the body and fixed on the upper surface of the upper body. Is done. At this time, the body packing is disposed between the lower end of the guide tube and the seating portion to require airtightness. In addition, the body and the seating portion is fastened by screwing, and a pressing plate protruding outward is formed on the outer circumferential surface adjacent to the upper end of the body to press and fix the mounting cup from above.

Description

Portable butane gas can {Portable butane gas can}

The present invention relates to a butane gas container, and more particularly to a reusable and rechargeable portable butane gas container in which a valve formed on the upper portion of the container body is detachably coupled.

In general, the butane gas container structure is subjected to electric welding by overlapping the edge of the slab of 0.2 to 0.25 mm thickness to form a metal container body forming a filling space therein. It is filled with liquefied petroleum gas (LPG) having a pressure, and has a valve for discharging the gas inside the container body in a state where liquefied petroleum gas and gaseous gas coexist, and are connected to a portable gas stove for easy installation and detachment. .

Butane gas container according to the prior art is a cylindrical container body 10 having a filling space 12 therein as shown in Figure 1, the lower body 14 seaming coupled to the lower portion of the container body (10) And, it is made of a domed upper body 16 seaming coupled to the upper portion of the container body 10, the valve 20 is crimped coupled to the upper portion of the upper body (16). The valve 20 has a mounting cup 22, a body 30 inserted into and fixed to the inside of the protrusion 24 of the mounting cup 22, and movable inside the body 30 and the protrusion 24. The induction pipe 32 and the induction pipe 32, which is formed integrally with the lower portion of the body 30, and is formed integrally in the lower portion of the body 30 while being inserted, and the induction pipe 32 and the stem ( Interposed between the 40 is composed of a spring 46 for pushing the stem 40 upward.

An opening 26 is detachably coupled to a portable gas stove (not shown) on the outer circumferential surface of the mounting cup 22 of the valve 20. In addition, the stem 40 is formed of a discharge port 42 through which the gas inside the container body 10 is discharged to the outside, and a discharge hole 44 formed in communication with the discharge port 42. On the other hand, the upper body 30 is provided with a gasket 48 for opening and closing the discharge hole 44 of the stem (40).

However, the above-described butane gas container pressurizes the stem disposed on the upper part of the container to use the gas filled in the container body, and the container in which all the gas is consumed is disposed of immediately because the gas is not refilled. . As a result, a number of problems occurred such as environmental pollution caused by the container, as well as the cost for producing a new container, as well as additional processing cost due to the collection of the discarded container.

In order to solve the problems as described above, rechargers having various structures have been developed, but this has a problem that the structure is complicated and not easy to manufacture, which increases the manufacturing cost and also welds the parts. There was a problem that took a long time.

The present invention has been devised to solve the conventional problems as described above is that the object of the present invention has a structure that is screwed to the upper body of the container body for receiving a stem for ejecting gas into the inside, it is easy to manufacture In addition, the present invention provides a portable butane gas container that can reduce the cost of manufacturing the container and can also prevent environmental pollution caused by the container being discarded.

1 is a view showing a butane gas container according to the prior art,

Figure 2 is an exploded perspective view showing a butane gas container according to the present invention,

3 is a cross-sectional view showing a butane gas container according to the present invention,

4 is a cross-sectional view showing in detail the valve shown in FIG.

5 is a perspective view showing another embodiment of the seating portion shown in Figure 3, and

6 is a view showing a state of use of the butane gas container according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: portable butane gas container 110: container body

112: filling space 114: lower body

116: upper body 118: seating portion

200: valve 210: guide tube

214: body packing 220: body

226: pressure plate 228: nozzle packing

230: stem 232: jet hole

234: gas suction hole 240: compression spring

250: mounting cup 260: washer

In order to achieve the above object, the present invention,

A cylindrical container body having a filling space, a dome-shaped lower body formed at the bottom of the container body, a dome-shaped upper body formed at an upper portion of the container body and having a seating portion inwardly at the central portion thereof, In a butane gas container composed of a valve for ejecting a gas in the filling space,

The valve is;

It has a hollow "b" shape and is inserted into the seating part and is sealed by the body packing while the upper end is guided over the bottom of the seating part, the compression spring inserted upright into the induction pipe, and the upper part of the compression spring, The stem is formed therein and the stem is formed with a gas injection hole for communicating the inlet pipe and the blower opening to the upper, the nozzle packing to seal the inlet of the gas suction hole is formed in the upper portion of the induction pipe to form an airtight, the top, A body that is screwed into the seating portion to be seated on the top of the nozzle packing while receiving inwardly to be movable, a conventional mounting cup fixed to the upper surface of the upper body by a pressing plate radially projecting on the outer circumferential surface of the body, and mounting To provide a portable butane gas container consisting of a washer disposed between the mounting cup and the holding plate to secure the cup. have.

Here, female and male threads having shapes corresponding to each other are formed on the inner circumferential surface of the seating portion and the outer circumferential surface of the body.

Alternatively, the inner circumferential surface of the seating portion may be formed in a hexagon in which female threads are formed.

On the other hand, a plurality of fixing grooves are formed on the upper surface of the upper body adjacent to the mounting portion, and a fixing protrusion having a shape corresponding to the fixing groove is formed on the lower surface of the mounting cup.

Hereinafter, a portable butane gas container according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Figure 2 is an exploded perspective view showing a butane gas container according to the present invention, Figure 3 is a cross-sectional view showing a butane gas container according to the present invention, Figure 4 is a cross-sectional view showing in detail the valve shown in FIG. 5 is a perspective view showing another embodiment of the seating portion shown in FIG.

2 to 4, butane gas container 100 according to the present invention includes a cylindrical container body 110 and the valve 200. At this time, the lower portion of the vessel body 110 is the bottom body 114 of the dome-shaped seaming coupled to seal the lower portion of the vessel body 110, the upper portion of the vessel body 110 is similarly dome-shaped upper body 116 is Seaming is combined to seal the top of the container body (110). The valve 200 is disposed on the upper portion of the container body 110, a seat in which the valve 200 is disposed in the center of the upper body 116 is formed. That is, the central portion of the upper body 116 is formed with a seating portion 118 radially bent inwardly of the container body 110 to form a stage 122 at the end, and on the inner circumferential surface of the seating portion 118 120) is formed. Preferably, the seating portion 118 may be formed in a hexagonal shape as shown in FIG. In addition, a plurality of fixing grooves 124 are formed on the upper surface of the upper body 116 adjacent to the mounting portion 118 is arranged in a circle.

The valve 200 has an induction pipe 210, a body 220, a stem 230, a spring (), a mounting cup 250, and a washer 260. The induction pipe 210 has a hollow tubular shape while bending the "b" shape, and is inserted into the seating portion 118 so that the upper end portion is fixed to the end 122 of the seating portion 118, and the center portion and The lower part is inserted into the container body 110. At this time, the upper end of the induction pipe 210 is formed integrally with the engaging projection 212 protruding radially outward in order to be fixed to the stage 122, between the locking projection 212 and the end 122 is required airtight. Bodypacking 214 is disposed to do so. The body 220 and the stem 230 is coupled to the upper portion of the induction pipe 210. The body 220 has a cylindrical shape to be fitted to the seating portion 118 and a male screw 222 having a shape corresponding to the female screw 120 of the seating portion 118 is formed on the outer circumferential surface thereof, and penetrates up and down inside the body 220. The operating hole 223 is formed. When the body 220 is fitted to the upper portion of the induction pipe 210, the body packing 214 is disposed to require airtight between the induction pipe 210 and the body 220. In addition, a pressing plate 224 protruding radially outward is integrally formed on an outer circumferential surface adjacent to the upper end of the body 220, and a tool (when coupling the body 220 to the seating part 118 on the upper surface of the body 220). A tool groove 226 is formed to be fitted). The stem 230 is disposed inside the body 220 formed as described above.

The stem 230 is fitted into the operation hole 223 formed in the interior of the body 220, and before the body 220 is coupled to the seating portion 118, the stem 230 must be first inserted into the lower side of the body 220 and then coupled. . Preferably, the upper portion of the compression spring 240 is fitted to the lower portion of the stem 230 and the lower portion of the compression spring 240 is in close contact with the induction pipe 210 to always push the stem 230 upward. The stem 230 has a vertical rod shape and a blow hole 232 is formed from the upper end to the lower adjacent portion, and a gas suction hole 234 penetrated to the outside of the stem 230 is formed at the bottom of the blow hole 232. Is formed. At this time, it is preferable that the position of the gas suction hole 234 can be normally blocked by the nozzle packing 228. That is, when the stem 230 is moved downward by indentation, the gas suction hole 234 is out of the range of the nozzle packing 228, and the induction pipe 210 and the ejection hole 232 communicate with each other. The stem 230 is moved upward by the elasticity of the spring 240 to block the gas suction hole 234. A seating portion of the nozzle packing 228 is provided on the lower outer circumferential surface of the stem 230. On the outer circumferential surface adjacent to the lower end of the stem 230, a barrier 236 protruding radially outward is formed, and the lower portion of the barrier 236 is compressed. The spring 240 is fitted, and the nozzle packing 228 is placed on the upper portion of the barrier 236. In addition, the packing seat 238 is recessed inward to avoid interference by the nozzle packing 228 when the stem 230 moves up and down on the barrier 236.

On the other hand, the mounting cup 250 is fixed to the upper portion of the upper body 116, the mounting cup 250 is made of a number of bent shapes. In detail, the mounting cup 250 has a disk shape penetrated by the diameter of the seating portion 118 at the center thereof, and is vertically bent upwardly on the circumferential surface, and then vertically bent outwardly again and vertically bent downwardly. The opening 252 having a shape is integrally formed. The reason for having this shape is to allow the container 100 to be detachably coupled to a gas stove (not shown). In this case, a fixing protrusion 254 having a shape corresponding to the fixing groove 124 is formed on the lower surface of the mounting cup 250 to be fitted into the fixing groove 124 formed on the upper surface of the upper body 116. The mounting cup 250 thus formed should be disposed before the body 220 is fitted to the seating portion 118 and formed on the outer circumferential surface of the body 220 when the body 220 is fitted to the seating portion 118. The pressing plate 224 is fixed while moving the upper surface of the mounting cup 250. At this time, a washer 260 is disposed between the pressing plate 224 and the mounting cup 250.

Hereinafter, a method of assembling the portable butane gas container 100 formed as described above will be briefly described.

First, the container body 110, the lower body 114 and the upper body 116 should be seaming. The valve 200 is coupled to the upper portion of the container body 110.

First, the body packing 214 is disposed on the end 122 of the seating portion 118 and the induction pipe 210 is inserted. At this time, the induction pipe 210 is a "b" shaped, so the lower portion should be put vertically first and put the top. Next, the body 220 should be coupled to the seating part 118. Before the body 220 is coupled, the nozzle packing 228 and the stem 230 and the compression spring 240 are first lowered to the body 220. Put in order. Then, the mounting cup 250 is placed in the center on the upper surface of the upper body 116 in accordance with the fixing groove 124, and the washer 260 is settled on the upper portion of the mounting cup 250, and then the body 220 is seated. To section 118. At this time, in order to couple the body 220, the tool (not shown) is inserted into the tool groove 226 formed on the upper surface of the body 220 and is easily coupled. When the body 220 is rotated as described above, as the body 220 descends from the lower portion of the body 220, the nozzle packing 228 disposed on the lower portion of the body 220 presses the induction pipe 210, and the induction pipe 210. ) Forms a hermetic seal while pressing the body packing 214 again, and the lower end of the compression spring 240 is disposed perpendicular to the induction pipe 210 to support the stem 230. In addition, in the upper portion of the body 220, as the body 220 descends, the pressing plate 224 formed on the outer circumferential surface of the body 220 presses the washer 260 and the washer 260 presses the mounting cup 250 again. Fix the mounting cup 250.

Hereinafter will be described briefly the operating state of the portable butane gas container 100 according to the present invention.

6 is a view showing a state of use of the portable butane gas container according to the present invention.

Here, since the general usage of the butane gas container 100 is the same, the description thereof will be omitted, and only the operation of the valve 200 will be described.

When the portable butane gas container 100 according to the present invention is mounted on a gas stove (not shown), the container 100 is fixed by the opening 252, and the stem 230 is press-fitted as shown in FIG. 6. It is moved downward. When the stem 230 is moved downward, the compression spring 240 is compressed to maintain elasticity and open the gas suction hole 234 that was closed by the nozzle packing 228. As such, when the gas suction hole 234 is opened, the gas filled in the container body 110 flows into the gas suction hole 234 through the induction pipe 210 and is ejected to the outside through the jet hole 232. When the pressurization of the stem 230 is released again, the stem 230 is moved upward by the anti-elasticity of the compressed spring 240 that has been compressed, and the gas suction hole 234 that has been opened in accordance with the movement of the stem 230 is moved to the nozzle. Sealed again by packing 228.

As described above, the portable butane gas container according to the present invention has a prefabricated structure of a valve for ejecting the gas in the container body, so that it is easy to manufacture and the cost of manufacturing can be reduced, and can be reused. There is an advantage that can prevent the environmental pollution caused by the container.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the present invention described in the utility model registration claims. It will be appreciated.

Claims (7)

A cylindrical container body having a filling space, a dome-shaped lower body formed under the container body, a dome-shaped upper body formed at an upper portion of the container body and having a seating portion formed inward at a central portion thereof; In the butane gas container made of a valve coupled to the gas for ejecting the gas in the filling space, The valve; The induction pipe which has a hollow "b" shape and is inserted into the seating portion and is sealed by the body packing while the upper end is covered by the bottom of the seating portion, a compression spring inserted upright into the induction pipe, and the compression spring of the While inserted into the upper portion is formed in the top of the inlet pipe and the stem is formed in the upper part of the inlet pipe and the gas suction hole communicating with the inlet pipe and the injection hole is opened to the upper part of the inlet pipe to form a gas tight The upper body by a nozzle packing, a body screwed into the seating portion to be seated on the top of the nozzle packing while receiving the inner side so that the stem is moved up, high, and a pressing plate radially protruding on the outer peripheral surface of the body A conventional mounting cup fixed on an upper surface of the mounting cup and the mounting cup to closely fix the mounting cup. Portable butane gas container comprising a washer disposed between the holding plate. The portable butane gas container according to claim 1, wherein a female screw is formed on an inner circumferential surface of the seating portion, and a male screw having a shape corresponding to the female screw is formed on an outer circumferential surface of the body. The portable butane gas container according to claim 1, wherein the inner circumferential surface of the seating portion is formed in a hexagon and a female screw is formed on the inner circumferential surface of the seating portion. 2. The portable device as claimed in claim 1, wherein a barrier is formed radially outwardly on an outer circumferential surface adjacent to a lower end of the stem so that the compression spring is fitted to a lower portion of the barrier, and a nozzle packing is placed on an upper portion of the barrier. Butane gas container. The portable butane gas container according to claim 4, wherein a packing seat portion recessed inward is formed on the upper side of the barrier so that the stem is not interfered by the nozzle packing when the stem is moved up and down. The fixing protrusion of claim 1, wherein a plurality of fixing grooves are formed on an upper surface of the upper body adjacent to the seating portion, and a fixing protrusion having a shape corresponding to the fixing groove is fitted on the fixing groove on the lower surface of the mounting cup. Portable butane gas container, characterized in that formed. The portable butane gas container according to claim 1, wherein a tool groove is formed on an upper surface of the body to rotate the tool by a tool when screwing the body to the seating portion.