KR20160011135A - Safety device for gas container - Google Patents

Abstract

Disclosed is a safety device for a gas container. The safety device for a gas container comprises: a dome coupled to a main body; an upper cap which couples to the dome; a valve part which discharges gas from the inside of the main body; a blocking valve which blocks gas discharged through the valve part when overpressure occurs in the main body; and a gas discharge unit which discharges overpressure gas to the outside by linking with a deformation of the dome, after blocking gas by the blocking valve.

Description

[0001] SAFETY DEVICE FOR GAS CONTAINER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a gas container safety device, and more particularly, to a gas container safety device capable of protecting a user from a flame by discharging over-pressure gas after removing a source of a gas when an over-

Generally, a portable gas container includes a portable butane gas container used for a portable gas range filled with a butane gas mixture mainly composed of butane gas as a main ingredient of liquefied petroleum gas, a hair spray, a pesticide, a lacquer Aerosol containers such as aerosol spray, etc. These portable gas containers are used to eject the contents to the outside by using the gas pressure in the container.

If the butane gas container receives high heat from the surroundings during distribution or use, the pressure of the liquefied gas inside the butane gas container rises and explodes. In particular, in the case of the butane gas container used for the portable gas stove, Do not defy, use anomalous, high pressure or a certain pressure higher than the internal pressure increases, the container may be deformed or damaged, and may explode in severe cases.

On the other hand, a "portable gas container" is disclosed in Korean Patent Publication No. 2005-0092527 (published on September 22, 2005).

An object of the present invention is to provide a gas container safety device capable of preventing a gas container from exploding by discharging over-pressure gas to the outside when overpressure of a gas container is generated, and protecting a user from a flame by removing a gas source before over- .

A gas container safety device according to the present invention comprises: a dome coupled to a main body; an upper cap coupled to the dome; a valve for discharging gas filled in the main body; A gas shutoff valve for shutting off the gas, and a gas discharger for releasing the overpressure gas to the outside in conjunction with the deformation of the dome upon overpressure of the main body after the gas shutoff by the shutoff valve.

The valve unit may include a flow pipe provided in the upper cap for communicating the inside and the outside of the main body, and a stem provided in the flow pipe and supported by the elastic member to selectively discharge the internal gas of the main body. .

In addition, the shut-off valve unit includes a finishing cap provided at an end of the flow path pipe and a blocking elastic member for elastically supporting the finish cap inside the flow path pipe.

In addition, the gas discharger may include a plurality of pattern grooves formed at a rim of the dome and ruptured in response to deformation of the dome when an overpressure occurs in the main body.

The pattern groove may include a first groove that ruptures when the dome is deformed, and a second groove that is provided on both sides of the first groove to double the rupture of the first groove.

The gas container safety device according to the present invention does not comply with the safety rules and is used anomalously, so that if overpressure is generated in the main body, the overpressure gas can be discharged to the outside through the gas discharge portion ruptured by the deformation of the dome, It has an effect that can be prevented.

Further, according to the present invention, by shutting off the gas discharged to the stem side by the gas discharge portion before the overpressure gas is discharged by the shutoff valve portion, the gas source of the gas stove can be removed, Lt; / RTI >

According to another aspect of the present invention, there is provided a method of manufacturing a semiconductor device, the method including: forming a pattern groove in the patterned groove portion, the pattern groove portion having a first groove to rupture and a second groove to help break the first groove;

1 is a perspective view showing a gas container safety device according to an embodiment of the present invention.
2 is a perspective view showing a top cap of a gas container safety device according to an embodiment of the present invention.
3 is a cross-sectional view of a gas container safety device according to an embodiment of the present invention.
FIG. 4 is a diagram showing a process of over-pressure modification of a gas container safety device according to an embodiment of the present invention.
FIG. 5 is a cross-sectional view showing normal use of a gas container safety device according to an embodiment of the present invention.
FIG. 6 is a view showing an induction pipe cut-off of a gas container safety device according to an embodiment of the present invention. FIG.
7 is a view showing the gas discharge of the gas container safety device according to the embodiment of the present invention.
FIG. 8 and FIG. 9 are diagrams showing the state of use of the gas container safety apparatus according to an embodiment of the present invention.

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

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view showing a gas container safety device according to an embodiment of the present invention, FIG. 2 is a perspective view showing a top cap of a gas container safety device according to an embodiment of the present invention, 4 is a view showing a process of over-pressure modification of a gas container safety device according to an embodiment of the present invention, and FIG. 5 is a view showing a gas container safety device according to an embodiment of the present invention, FIG. 6 is a view showing the cutoff of the induction pipe of the safety device of the gas container according to the embodiment of the present invention, and FIG. 7 is a cross-sectional view of the safety device of the gas container according to the embodiment of the present invention. FIG. 8 and FIG. 9 are views showing the state of use of the gas container safety device according to the embodiment of the present invention.

1 to 9, a gas container safety apparatus 100 according to an embodiment of the present invention includes a dome 116, an upper cap 120, a valve unit 130, a shutoff valve unit 140, And a discharge part 150.

The dome 116 is coupled to the top of the body 110. The body 110 includes a cylindrical body 112 and a lower cap 114 covering the lower portion of the body 112. The main body 110 is made of a metal material having a predetermined thickness or more so as to have durability.

The body 112 is formed in a cylindrical shape and the dome 116 and the lower cap 114 are respectively joined to both ends of the body 112 by seaming.

The upper cap 120 is coupled to the dome 116 and the upper cap 120 is provided with a valve 130.

3, the valve unit 130 discharges the gas filled in the main body 110 and includes a valve housing 132 provided in the upper cap 120 to communicate the inside and the outside of the main body 110, And a stem 134 provided in the valve housing 132 and supported by the elastic member 136 to selectively discharge the internal gas of the main body 110.

The valve housing 132 is coupled to the upper cap 120 and the stem 134 is provided at the center of the valve housing 132. The stem 134 is resiliently supported by the resilient member 136 in the interior space of the valve housing 132 and an orifice 135 is formed therethrough. A stem gasket 138 is provided between the upper cap 120 and the valve housing 132 to shield the orifice.

The stem gasket 138 closes the orifice 135 and the gas in the main body 110 is not discharged to the outside until the stem 134 is pushed by an external force so that the orifice 135 135 are opened and the gas of the main body 110 is discharged to the outside.

The shutoff valve unit 140 blocks the gas discharged to the valve unit 130 when the overpressure of the main body 110 is generated and blocks gas discharged to the outside through the stem 134 of the valve housing 132. That is, it acts to cut off the gas discharged through the stem 134 in the overpressure generation mode to remove the fire source.

The shutoff valve unit 140 includes a finishing cap 142 provided at an end of the valve housing 132 and a blocking elastic member 144 for elastically supporting the finishing cap 142 inside the valve housing 132 . At this time, the end of the valve housing 132 is refracted and extended to one side, and the finishing cap 142 is horizontally moved in accordance with the internal pressure to block the gas discharged to the outside through the valve housing 132.

At the end of the valve housing 132, an escape prevention protrusion 133 is formed which contacts the end of the finishing cap 142 to prevent the finishing cap 142 from being separated.

The gas discharging unit 150 interlocks with the deformation of the dome 116 when the overpressure of the main body 110 is generated after the gas shutoff by the shutoff valve unit 140 to discharge the overpressure gas to the outside. That is, when the overpressure is generated, when the internal pressure further increases after the valve portion 130 is shut off by the shutoff valve portion 140, the overpressure gas of the main body 110 is released to the outside in cooperation with the pressure, do.

The gas discharging unit 150 includes a plurality of pattern grooves 155 formed in the rim of the dome 116 and ruptured in conjunction with deformation of the dome 116 when an overpressure occurs in the main body 110. The gas emitting part 150 has a plurality of pattern grooves 155 arranged along the rim of the dome 116. The pattern groove portion 155 is formed on both sides of the first groove 156 and the first groove 156 that rupture upon deformation of the dome 116 so that the rupture of the first groove 156 And a second groove 157 which is doubled.

The second groove 157 serves to make the first groove 156 sufficiently wide and tearable. That is, as shown in FIG. 1 or 7, the first groove 156 is formed to have a V-shaped cross-sectional shape, and the second groove 157 is formed to have a trapezoidal cross- More stress acts on the first groove 156 side when deformed, so that it can be expanded to a wider range, so that the rupture is doubled.

Hereinafter, the operation and effects of the gas container safety device according to the embodiment of the present invention will be described.

The gas container according to the present embodiment may be used after being mounted on a portable gas range. 8, when the operating part of the gas stove is operated after the gas container is mounted on the gas stove, the stem 134 of the valve part 130 is pressed and the gas filled in the main body 110 And is discharged to the outside through the stem (134).

5, when the stem 134 is moved, the orifice 135, which has been blocked by the stem gasket 138, is opened and the inner gas of the main body 110 is discharged to the outside through the valve housing 132 It is discharged and used as a flower garden.

When the overpressure inside the main body 110 is used in an irregular manner without observing the safety rules in using the portable gas stove, the main body 110 is exposed to the risk of explosion. This can be prevented.

6, the flow path of the valve housing 132 for normally discharging the gas inside the main body 110 through the stem 134 during the first overheating is blocked by the movement of the finishing cap 142 do. This is possible because the closing elastic member 144 is contracted when the inner pressure of the main body 110 reaches 0.7 to 0.9 MPa and the finish cap 142 is moved. As the flow passage is blocked, the fire of the gas stove is extinguished.

7, the dome 116 is deformed convexly due to the overpressure, so that the gas discharge portion (not shown) of the pattern groove portion 155 150 are ruptured and the overpressure gas is discharged to the outside. This can prevent the main body 110 from being exploded. At this time, since the gas source of the gas stove is removed by the shutoff valve unit 140, the user can be protected from the flame.

The pattern groove portion 155 is composed of a first groove 156 ruptured by overpressure and a second groove 157 multiplying the rupture of the first groove 156, thereby enabling a reliable operation. That is, when the internal pressure of the main body 110 reaches 1.3 to 1.71 MPa, the dome 116 is deformed and the first groove 156 having a V-shaped cross section is formed adjacent to both sides of the second More stress acts on the first groove 156 side by the groove 157 and can be expanded to a wider range, so that the rupture is doubled.

Accordingly, when an overpressure is generated inside the gas container by an anomalous use, the gas source of the gas stove is firstly removed by the shutoff valve unit 140 as shown in FIG. 8, and then, as shown in FIG. 9, When the overpressure is generated by the radiant heat of the cooking appliance, the dome 116 is secondarily expanded and deformed convexly, and the first groove 156 is ruptured by the deformation of the dome 116, .

As described above, according to the safety apparatus for a gas container according to an embodiment of the present invention, when an overpressure is generated in the main body without using safety rules and is used anomaly, the overpressure gas is discharged to the outside, And the gas discharged to the stem side before the overpressure gas discharge by the gas discharge part is blocked by the shutoff valve part, the gas source of the gas stove can be removed, and the user can be protected from the flame upon discharge of the overpressure gas.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

100: gas container safety device 110: main body
112: body 114: bottom cap
116: dome 120: upper cap
130: valve portion 132: valve housing
133: Leak prevention protrusion 134: Stem
135: Orifice 136: Elastic member
138: Stem gasket 140:
142: finishing cap 144: blocking elastic member
150: gas emitting part 155: pattern groove part
156: first groove 157: second groove

Claims (1)

A dome coupled to the body;
An upper cap coupled to the dome;
A valve unit for discharging gas filled in the main body;
A shutoff valve for shutting off the gas discharged to the valve when overpressure of the main body occurs; And
And a gas discharger for releasing the overpressure gas to the outside in conjunction with the deformation of the dome when the overpressure of the main body occurs after the shutoff by the shutoff valve.

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