KR200485396Y1

KR200485396Y1 - Safety device for gas container

Info

Publication number: KR200485396Y1
Application number: KR2020150005255U
Authority: KR
Inventors: 원세경
Original assignee: 오제이씨(주)
Priority date: 2015-08-06
Filing date: 2015-08-06
Publication date: 2018-01-05
Also published as: KR20170000600U

Abstract

A design for a gas container safety device is disclosed. The disclosed gas container safety device comprises: a dome coupled to a main body; an upper cap coupled to the dome; a valve portion for discharging the gas filled in the main body; a shutoff valve portion And a gas discharging part for discharging the overpressure gas to the outside in conjunction with the deformation of the dome upon overvoltage of the main body after the gas shutoff by the shutoff valve part.

Description

[0001] SAFETY DEVICE FOR GAS CONTAINER [0002]

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 gas source when an overpressure of a gas container occurs.

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 Utility Model Application No. 2005-0092527 (published on September 22, 2005).

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

According to an aspect of the present invention, there is provided a gas container safety device comprising: 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.

In addition, the valve unit may include a valve housing provided in the upper cap and having a flow path for communicating the inside and the outside of the main body, and a valve housing provided in the valve housing, And a stem.

In addition, the shutoff valve unit includes a finishing cap provided at an end of the valve housing, and a blocking elastic member for elastically supporting the finishing cap in the valve housing.

In addition, the finishing cap may include a double blocking portion for blocking the valve housing when the valve housing is closed.

The valve housing may include a working space communicating with the flow path and provided with the blocking elastic member, the double blocking portion may include a first blocking portion formed at the tip of the finishing cap to block the flow path, And a second blocking portion formed at a rear end of the cap to block the operation space portion.

In addition, the operating space portion may include an extending rib portion for preventing interference with the blocking elastic member when the finishing cap is moved.

In addition, the shutoff valve unit may include a departure prevention unit for preventing the finish cap from separating from the valve housing.

The release preventing portion may include a release preventing cap provided at an end of the valve housing and a fixing portion for fixing the release preventing cap.

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 regulations, and if an overpressure is generated inside 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.

In addition, in the present invention, the gas discharged from the gas stove can be removed by shutting off the gas discharged to the stem side before the overpressure gas is discharged by the gas discharging part, thereby protecting the user from flames Lt; / RTI >

In addition, the present invention can improve the airtightness by the double shut-off portion of the finishing cap, thereby improving the operational reliability.

In addition, the present invention is characterized in that the gas discharging portion is formed of a pattern groove portion, and the pattern groove portion has a first groove that ruptures and a second groove that helps rupture of the first groove, thereby improving the reliability of the gas discharge operation.

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 one embodiment of the present invention.
4 is a view showing a valve blocking portion of a gas container safety device according to an embodiment of the present invention.
FIG. 5 is a diagram showing a process of over-pressure modification of a gas container safety device according to an embodiment of the present invention.
6 is a sectional view showing the gas container safety device according to one embodiment of the present invention at the time of normal use.
Fig. 7 is a view showing the induction pipe cut-off of the gas container safety device according to one embodiment of the present invention.
8 is a view showing the gas exhaust of the gas container safety device according to one embodiment of the present invention.
FIG. 9 and FIG. 10 are diagrams showing the state of use of the gas container safety device according to one embodiment of the present invention.

Hereinafter, an embodiment of the 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 functions in the present invention, and this may vary depending on the intentions or customs of the user, the operator, and the like. 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, FIG. 4 is a view showing a valve blocking portion of a gas container safety device according to an embodiment of the present invention, and FIG. 5 is a sectional view of a gas container safety device according to an embodiment of the present invention. FIG. 6 is a cross-sectional view showing a normal use of the gas container safety device according to an embodiment of the present invention, and FIG. 7 is a view showing a modification of the gas container safety device according to an embodiment of the present invention. FIG. 8 is a view showing the gas discharge of the gas container safety device according to an embodiment of the present invention, and FIGS. 9 and 10 are views showing a gas container safety device according to an embodiment of the present invention. Usage status Fig.

1 to 10, a gas container safety device 100 according to an embodiment of the present invention includes a dome 116, an upper cap 120, a valve portion 130, a shutoff valve portion 140, And a discharge portion 170.

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 flow path 132a provided in the upper cap 120 to communicate the inside and the outside of the main body 110, And a stem 134 which is provided in the valve housing 132 and the valve housing 132 and is supported by the elastic member 136 and selectively discharges 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.

The finishing cap 142 includes a double blocking portion 150 that allows the valve housing 132 to be double-blocked when the valve is closed. The valve housing 150 includes a working space portion 132b communicating with the flow path 132a and provided with a blocking elastic member 144. That is, as shown in FIG. 4, the operating space 132b is provided in the horizontal section of the valve housing 132. As shown in FIG.

The double blocking portion 150 is formed at the tip of the finishing cap 142 and has a first blocking portion 152 for blocking the flow path 132a and a second blocking portion 152 formed at the rear end of the finishing cap 142, (Not shown). The first blocking portion 152 is formed at the tip end of the finishing cap 142 and has an adhered slant surface which is in close contact with the inner diameter of the flow path 132a when the finishing cap 142 is cut off. And a stepped portion which is in close contact with an end of the operating space portion 132b.

The operation space portion 132b is provided with an extended rib portion 155 for preventing interference with the blocking elastic member 144 when the finishing cap 142 is moved. The extension rib portion 155 is provided between the flow path 132a and the operation space portion 132b to prevent the interference between the finishing cap 142 and the blocking elastic member 144 during the closing operation of the finishing cap 142, Enabling operation.

The shutoff valve portion 140 includes an escape prevention portion 160 that prevents the escape cap 142 from escaping from the valve housing 132. The separation preventing portion 160 includes a separation preventing cap 162 provided at an end portion of the valve housing 132 and a fixing portion 164 for fixing the separation preventing cap 162. The escape prevention cap 162 is hollow and the securing portion 164 includes a hook 166 formed in the escape prevention cap 162 and a fixing groove 167 to which the hook 166 is engaged. The hook 166 is partly cut away from the escape prevention cap 162 to have an elastic force and the tip of the escape prevention cap 162 is sloped forward so as to be easily inserted into the end portion of the valve housing 132.

The gas releasing part 170 interlocks with the deformation of the dome 116 when the overpressure of the main body 110 is generated after the shutoff valve part 140 cuts off the gas 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 portion 170 includes a plurality of pattern grooves 175 that are formed on the rim of the dome 116 and rupture in conjunction with deformation of the dome 116 when an overpressure occurs in the main body 110. The gas emitting portion 170 has a plurality of pattern grooves 175 arranged along the rim of the dome 116. The pattern groove portion 175 is formed on both sides of the first groove 176 and the first groove 176 that rupture upon deformation of the dome 116 so that the rupture of the first groove 176 And a second groove 177 to be doubled.

The second groove 177 serves to allow the first groove 176 to be sufficiently wide and tearable. That is, as shown in FIG. 1 or 8, the first groove 176 is formed to have a V-shaped cross-sectional shape, and the second groove 177 is formed to have a trapezoidal cross-sectional shape of a lowered light shape, More stress acts on the side of the first groove 176 at the time of deformation 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 one embodiment of the present invention having the above-described structure will be described.

The gas container according to the present embodiment may be used after being mounted on a portable gas range. 9, 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).

6, when the stem 134 is moved, the orifice 135 that has been blocked by the stem gasket 138 is opened, and the inner gas of the main body 110 flows 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.

7, when the flow path 132a of the valve housing 132 for normally discharging the gas inside the main body 110 through the stem 134 during the primary overheating is moved (moved) by the movement of the finishing cap 142 . This is because when the internal pressure of the main body 110 reaches 0.7 to 0.9 MPa, the blocking elastic member 144 is contracted and the finish cap 142 is moved. As the flow path 132a is blocked, do.

The cut-off reliability of the flow path 132a can be improved by the double cut-off portion 150. 7, when the blocking elastic member 144 is retracted due to the internal pressure of the main body 110, the first blocking portion 152 formed at the tip of the finishing cap 142 moves in the direction of the flow path 132a, And the second blocking portion 154 formed at the rear end of the finishing cap 142 secondarily blocks the operating space portion 132b. This makes it possible to reliably extinguish the fire of the gas cooking zone.

8, the dome 116 is deformed convexly due to overpressure, so that the gas discharge portion (not shown) of the pattern groove portion 175 170 are ruptured and the overpressure gas is released 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 175 includes a first groove 176 ruptured by the overpressure and a second groove 177 which doubles the rupture of the first groove 176, 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 176 having a V-shaped cross section is formed adjacent to both sides of the second More stress acts on the side of the first groove 176 by the groove 177 so that it 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. 9, and then, as shown in FIG. 10 When the overpressure is generated by the radiant heat of the cooking device, the dome 116 is expanded and convexly deformed secondarily, and the first groove 176 is ruptured by the deformation of the dome 116, .

As described above, according to the safety device for a gas container according to one embodiment of the present invention, when an overpressure is generated inside the main body without using safety rules and is used anomaly, the overpressure gas is discharged to the outside to prevent explosion of the main body 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 is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. I will understand.

Therefore, the true scope of technical protection of this invention should be determined by the scope of utility model claim.

100: gas container safety device 110: main body
112: body 114: bottom cap
116: dome 120: upper cap
130: valve portion 132: valve housing
132a: a flow path 132b:
134: stem 135: orifice
136: Elastic member 138: Stem gasket
140: shutoff valve part 142: closed cap
144: blocking elastic member 150: double blocking member
152: first blocking portion 154: second blocking portion
155: extension rib portion 160:
162: separation prevention cap 164:
166: Hook 167: Fixing groove
170: gas emitting portion 175: pattern groove
176: first groove 177: second groove

Claims

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 discharging portion for discharging 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 portion,
The gas-
And a plurality of pattern grooves formed at a rim of the dome and ruptured in conjunction with deformation of the dome when an overpressure occurs in the main body,
Wherein the pattern groove has a first groove ruptured when the dome is deformed; And
And a second groove provided on both sides of the first groove to double the rupture of the first groove,
The first groove is formed in a V-shaped cross section,
Wherein the second groove is formed in a trapezoidal cross-sectional shape of a lower light shielding shape.

The method according to claim 1,
Wherein the valve unit includes a valve housing provided in the upper cap and having a flow path communicating the inside and the outside of the main body; And
And a stem which is provided in the valve housing and is supported by an elastic member to selectively discharge the internal gas of the main body.

3. The method of claim 2,
Wherein the shutoff valve portion includes a finishing cap provided at an end of the valve housing; And
And a blocking elastic member for elastically supporting the finishing cap inside the valve housing.

The method of claim 3,
Wherein the finishing cap includes a double blocking portion for blocking the valve housing when the valve housing is closed.

5. The method of claim 4,
Wherein the valve housing includes a working space communicating with the flow path and provided with the blocking elastic member;
The double blocking portion may include a first blocking portion formed at a front end of the finishing cap to block the flow path; And
And a second blocking portion formed at a rear end of the finishing cap to block the operation space portion.

6. The method of claim 5,
Wherein the operating space portion is provided with an extending rib portion for preventing interference with the blocking elastic member when the finishing cap is moved.

The method of claim 3,
Wherein the shut-off valve portion includes an escape preventing portion for preventing the escape of the closure cap from the valve housing.

8. The method of claim 7,
The departure prevention portion may include an escape prevention cap provided at an end portion of the valve housing; And
And a fixing portion for fixing the departure-preventing cap.

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