KR101723821B1 - Safety valve of potable gas tank, gas tank having it and method for manufacturing the gas tank - Google Patents

Safety valve of potable gas tank, gas tank having it and method for manufacturing the gas tank Download PDF

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Publication number
KR101723821B1
KR101723821B1 KR1020150094366A KR20150094366A KR101723821B1 KR 101723821 B1 KR101723821 B1 KR 101723821B1 KR 1020150094366 A KR1020150094366 A KR 1020150094366A KR 20150094366 A KR20150094366 A KR 20150094366A KR 101723821 B1 KR101723821 B1 KR 101723821B1
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KR
South Korea
Prior art keywords
opening
gas
depression
gas container
closing member
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Application number
KR1020150094366A
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Korean (ko)
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KR20170004262A (en
Inventor
이춘미
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이춘미
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Priority to KR1020150094366A priority Critical patent/KR101723821B1/en
Publication of KR20170004262A publication Critical patent/KR20170004262A/en
Application granted granted Critical
Publication of KR101723821B1 publication Critical patent/KR101723821B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0332—Safety valves or pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0709—Camping gas

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention relates to a safety valve in a portable gas container. The opening / closing member is inserted into the depressed portion and opens and closes the hole of the depressed portion. The opening / closing member is connected to the gas container having the hole formed at the bottom of the depressed portion. A packing member interposed between the bottom surface of the depression and the gas container to prevent gas from leaking from the gas container, an elastic member for pressing the opening and closing member to bring the packing member into close contact with the bottom surface of the depressed portion, And a cover member formed with a hole at a central portion so that the leaked gas can pass therethrough and is supported so as not to be moved by the support portion.

Description

Technical Field [0001] The present invention relates to a safety valve for a portable gas container, a portable gas container employing the safety valve, and a method for manufacturing such a gas container.

The present invention relates to a safety valve for a gas container, and more particularly to a safety valve for a portable gas container which is easy and safe to manufacture, a gas container employing the same, and a manufacturing method for manufacturing such a gas container.

In general, a gas container is a container which can be completely enclosed for storing and transporting gas or liquid. There are various types of gas containers, from containers for storing industrial gases to gas containers for domestic use.

Examples of such gas containers which are routinely used by ordinary people include spray-type cosmetics, fragrance, mosquito repellent, and gas containers for portable burners. The everyday use of gas containers is easy to carry and the replacement cycle is short because only a modest amount is contained.

One of the important points in these gas containers is safety and ease of fabrication. Since gas containers used routinely are generally used in close proximity to a user, they need to be secured, and they are frequently used and replaced. Therefore, it is necessary to restrain the factors that raise the cost as much as possible.

In general, gas containers such as spray-type cosmetics, fragrance, and mosquito repellant fill more gas than the contents in order to use the entire contents. Therefore, even if all the necessary contents are discharged, the gas remains in the gas container at all times, which may explode when heat or pressure is applied. Accordingly, it is also important to discharge residual gas.

One of the safety valves of the conventional portable gas container is a structure in which the valve stem is not exposed to the outside, so that the gas inside the container can not be injected to the outside when not mounted on the portable burner. This is advantageous in preventing internal gas from leaking out during transportation, storage or transportation, but it is difficult to lower the pressure by discharging gas when the pressure inside the container increases.

Korean Patent Publication No. 10-2003-0008260 (2003.01.25)

The present invention provides a safety valve, a safety container, and a safety container manufacturing method for a portable gas container which is simple in construction and is easy to manufacture, has excellent safety, and can be manufactured quickly at an economical cost.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an aspect of the present invention, there is provided a gas container comprising: a gas container having a depression recessed inwardly and formed with a hole in a bottom surface of the depression, the depression being inserted into the depression, A sealing member interposed between the opening and closing member and the bottom surface of the depression for preventing gas from leaking from the gas container, an elastic member for pressing the opening and closing member to bring the packing member into close contact with the bottom surface of the depression, And a cover member that supports the elastic member and has a hole formed at a center portion thereof so that the leaked gas can pass therethrough and is supported so as not to be moved by the support portion.

Here, the opening and closing member may be formed with a protrusion which can be pulled out from the outside to discharge a remaining amount of gas.

The opening and closing member may be formed with a seating groove for seating the packing member.

Further, the support portion is a protrusion formed around the depression, and the cover member is supported by the protrusion so that the position is not moved.

In order to solve the above-mentioned problems, the present invention provides, as an embodiment of the present invention, a body having an internal space in which a gas can be stored, a bottom surface of the body being closed and a depression recessed into an internal space of the body, And a safety valve such as the above-described safety valve coupled to the bottom plate to open and close the hole of the depressed portion.

In order to solve the above problems, the present invention provides a method of manufacturing a gas container, comprising: a first step of forming a bottom plate of a gas container by a pressing process so as to form a recess at a central portion of the depressed portion, Closing member, an elastic member, and a cover member in such a manner that the packing member, the opening and closing member, the elastic member, and the cover member are sequentially disposed on the depression formed in the bottom plate of the gas container; A third step of fixing the elastic member in a compressed state by placing a base plate of the gas container inserted and inserted into a jig, a step of clamping the cover member by a clamping press to a base plate of the gas container fixed by the third step A fourth step of forming a protrusion around the depressed portion so as to be supported by the bottom of the gas container, and a fourth step of bonding the body of the gas container to the bottom plate of the gas container manufactured by the fourth step It proposes a production gas vessel comprises the step 5.

The safety valve of the portable gas container according to the embodiment of the present invention and the safety container adopting the safety valve are simple in construction and excellent in safety even though they are easy to manufacture. According to the method for manufacturing a safety container according to an embodiment of the present invention, the safety container can be manufactured quickly at an economical cost.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a perspective view of a gas container employing a safety valve of a portable gas container according to an embodiment of the present invention;
FIG. 2 is an exploded perspective view of a safety valve of a portable gas container employed in the gas container shown in FIG. 1; FIG.
3 is a sectional view of a safety valve of a portable gas container employed in the gas container shown in Fig.
4 is a cross-sectional view showing various examples of packing members employed in the safety valve of the portable gas container shown in Fig. 2;
5 is an operational view of a safety valve of a portable gas container according to the embodiment shown in Fig.
6 is a flow chart showing a method of manufacturing a gas container employing a safety valve of a portable gas container according to the embodiment shown in Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, It will be possible. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Hereinafter, a safety valve for a portable gas container according to an embodiment of the present invention, a gas container employing the safety valve, and a method of manufacturing such a gas container will be described in detail with reference to the drawings. In the present specification, the same reference numerals are assigned to the same components in different embodiments, and the description thereof is replaced with the first explanation.

The safety valve 10 of the portable gas container according to the embodiment of the present invention includes a gas container 100 having a depression 21 recessed inwardly and a hole 22 formed in the bottom of the depression 21 An opening member 1, a packing member 2, an elastic member 3 and a cover member 4,

A depression (21) is formed in the gas container (100) and a safety valve (10) is disposed in the depression (21). The safety valve is disposed in the depression 21 to prevent interference by an external object or the like. A hole 22 is formed in the bottom of the depression 21 so that the gas is filled into the gas container 100 through the hole 22 or the gas stored in the gas container 100 can be discharged.

The opening and closing member 1 is inserted into the recessed portion 21 via the packing member 2 as a constituent element for opening and closing the hole 22 formed in the recessed portion 21. The packing member 2 prevents gas leaking through the hole 22 of the depression 21 from leaking.

The elastic member 3 presses the opening and closing member 1 so that the packing member 2 is brought into close contact with the underside of the depressed portion 21. [ On the other hand, the cover member 4 supports the elastic member 3 at one side and has a hole 41 at a central portion thereof so that gas can pass through it.

At this time, the cover member 4 is supported by the elastic member 3 so as not to protrude from the depression 21.

In the safety valve of the portable gas container constructed as described above, normally, the gas filled in the gas container is not discharged by the pressing force of the elastic member, but when the pressure inside the gas container exceeds the pressing force of the elastic member, The gas can be discharged through the holes of the cover member by the gap generated by the movement of the opening and closing member, thereby lowering the pressure inside the gas container, thereby preventing explosion of the gas container due to overpressure and ensuring safety.

Hereinafter, the configuration of each part will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a gas container employing a safety valve of a portable gas container according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a safety valve of a portable gas container employed in the gas container shown in FIG. 1, 3 is a sectional view of the safety valve of the portable gas container employed in the gas container shown in Fig. It should be noted that the components constituting the safety valve in FIG. 2 are exaggerated for convenience of explanation.

Referring to the drawings, a gas container 100 employing a safety valve 10 of a portable gas container according to an embodiment of the present invention includes a body 30, a base plate 20, and a safety valve 10. The gas container shown is a gas container used in a portable burner. In addition, it can be applied to various gas containers such as spray and butane gas.

The body 30 is formed with an inner space in which gas can be stored. This body 30 can employ the body 30 of a general portable gas container 100.

The bottom plate 20 is formed so as to close the bottom of the body 30 and has a depression 21 recessed into the internal space of the body 30 at a central portion thereof and a hole 22 formed in the bottom of the depression 21. [ .

The safety valve 10 is coupled to the depression 21 formed in the bottom plate 20 and opens and closes the hole 22 of the depression 21. The safety valve includes the opening and closing member 1, the packing member 2, the elastic member 3 and the cover member 4 as described above. In this embodiment, the cover member 4 is supported by the support portion 23 formed in the depression 21.

The opening and closing member 1 may be formed in a shape corresponding to the shape of the cross section of the depressed portion 21 as a component for opening or closing the hole 22 on the bottom surface of the depressed portion 21. [

Referring to FIG. 1, the opening and closing member 1 has a circular cross section and a flat cylindrical shape, and the diameter of the circle of the cross section is smaller than the diameter of the depression 21. The gas discharged when the opening and closing member 1 is opened can escape into the space between the outer peripheral surface of the opening and closing member 1 and the inner peripheral surface of the depression 21.

The opening and closing member 1 may be made of a metal material that is not easily deformed or damaged, and may be made of a rubber material having elasticity to some extent that is not easily deformed or damaged.

Also, the opening and closing member 1 may be provided with a seating groove 11 in which the packing member 2 is seated. When the seating groove 11 is formed in the opening and closing member 1, the position of the packing member 2 can be stably fixed and the sealing performance can be improved. In addition, a seat 12 on which the elastic member 3 can be seated can be formed on the opposite side where the seat groove 11 is formed, so that a certain region is recessed.

On the other hand, the opening and closing member 1 may be provided with a protrusion 13 which can be pulled out from the outside to discharge a remaining amount of gas.

The projecting portion 13 is formed on the opposite side of the surface on which the opening and closing member 1 opens and closes the depression 21. The protruding portion 13 may be formed into a long elongated rib shape. The projecting portion 13 extends through the inside of the elastic member 3 and the user can forcibly open the opening and closing member 1 by pulling the end of the projecting portion 13. A hole may be formed at the end of the protrusion 13 so that a tool such as a string or a hook can be inserted (see FIG. 5). A frictional surface may be formed by hand for easy pulling.

In order to prevent the explosion of the gas container, the gas container is usually pierced to discharge the remaining amount of gas. In recent years, there have been many cases where such operations are carried out using apparatuses for piercing gas containers. These devices punch holes in the outer wall of the gas container. However, if the user is surprised by a sudden burst of gas during punching, or if the punching device is made of metal such as iron, there is a risk of fire because flames may be generated and transferred to the discharged gas. By using the above-described configuration of the protruding portion, it is possible to discharge the remaining amount of gas safely and conveniently.

The packing member 2 is disposed between the opening and closing member 1 and the bottom surface of the depression 21 to prevent gas from leaking from the gas container 100. The packing member 2 has an annular ring shape.

Referring to the drawing, the packing member 2 has an inner radius larger than that of the hole 22 on the bottom surface of the depressed portion 21 so as to seal around the hole 22.

The packing member 2 may be made of a rubber material or a silicone material which is easy to deform and has excellent sealing performance. Since the packing member 2 is pressed and deformed by the opening and closing member 1 and is brought into close contact with the bottom surface of the depression 21, the gas container 100 can be sealed.

On the other hand, when the groove 11 corresponding to the packing member 2 is formed on the underside of the depressed portion 21 like the opening and closing member 1, the sealing performance can be further enhanced. The packing member 2 and the seating groove 11 of the opening and closing member 1 may have various shapes in order to improve the sealing performance and prevent the packing member 2 from being separated when the gas is discharged.

4 is a cross-sectional view showing various examples of the packing member employed in the safety valve of the portable gas container shown in Fig.

Referring to the drawings, the depth of the seating groove 11 is formed to be equal to or more than half of the thickness of the end face of the packing member 2. Accordingly, even if the high-pressure gas is discharged from the gas container 100 toward the packing member 2, the packing member 2 can be held in position without detaching.

The packing member 2 shown in Fig. 4 (a) can be easily secured by simply placing the packing member 2 in the seating groove 11 as a packing member 2 having a general circular cross-section.

The packing member 2 shown in Fig. 4 (b) has an elliptical cross section and a deeper seating groove 11 is formed. With this configuration, the packing member 2 is tightened to one side of the depressed portion 21 to be deformed while being tightened to increase the sealing performance, and the other side is stably fixed to the seat groove 11, .

The packing member 2 shown in FIG. 5 (c) is coupled to the trapezoidal seating groove 11, and the portion protruding outward from the seating groove 11 is formed in an elliptical shape, Is formed in a trapezoidal shape corresponding to the seating groove (11). It is preferable that the trapezoidal shape is such that the side closer to the hole 22 on the undersurface of the depression 21 has a beveled surface and the far side has a vertical surface. Thus, the stability can be further increased.

The elastic member 3 may be a member having an elastic force as a constituent element for urging the opening and closing member 1 and bringing the packing member 2 into close contact with the underside of the depressed portion 21. [

The elastic member 3 pressurizes the opening and closing member 1 when the gas container 100 is used normally and then the opening and closing member 1 is pushed when an excessive pressure is generated in the gas container 100, (Not shown). For this, the elastic member 3 needs to be selected to have an appropriate elasticity in consideration of the allowable pressure inside the gas container 100.

In addition, the elastic member 3 must have a path through which the gas, which is released when the opening and closing member 1 is opened, can proceed to the hole 41 formed in the cover member 4. In the present embodiment, a spring is employed as the elastic member 3, but the spring is suitable because it has a proper elasticity, has many kinds, is easy to manufacture, and has a large space through which the discharged high-pressure gas can pass.

The cover member 4 supports one side of the elastic member 3 and a hole 41 is formed at a central portion of the cover member 4 so that the gas that has escaped from the gas container 100 can be exhausted to the outside.

Since the cover member 4 supports the elastic member 3 in a pressed state, it is preferable that the cover member 4 is made of a rigid material such as a metal. The outer edge of the elastic member 3 is also supported by the support portion 23. [ Thus, the cover member 4 has a fixed position.

On the other hand, the hole 41 formed in the central portion of the cover member 4 is formed to have an appropriate size so as not to deteriorate the rigidity of the cover member 4 so that deformation of the cover member 4 when supporting the elastic member 3 I will not.

The support portion 23 supports the cover member 4 so as not to be moved by the elastic member 3. In this embodiment, the support portion 23 is a protrusion 13 formed around the depression 21. The projecting portion 13 is formed along the side wall of the depression 21. The protrusion 13 can be formed by a clamping press.

 The cover member 4 is urged to come out of the gas container 100 by the elastic force of the elastic member 3 but the protruding portion 13 supports the opposite surface where the cover member 4 comes into contact with the elastic member 3 So that the cover member 4 is held in a fixed position within the depression 21.

On the other hand, the cover member 4 may be fixed at a fixed position, so that the support member 23 and the cover member 4 may be coupled to each other. For example, even when the support member 23 and the cover member 4 are fixed by welding, there is no problem in operation of the safety valve.

The safety valve and gas container of the portable gas container constructed as above operates as follows.

5 is an operational view of the safety valve of the portable gas container according to the embodiment shown in Fig.

In a typical case where the safety valve is operated, the gas stored in the gas container 100 is expanded due to the heating of the gas container 100 due to a fire or the like.

In this case, the pressure inside the gas container 100 is increased, and the increased pressure pushes the opening and closing member 1 out. When the opening and closing member 1 is pushed, the packing member 2 is also separated from the bottom surface of the depressed portion 21 and the high-pressure gas discharged through the hole 22 flows between the packing member 2 and the bottom surface of the depressed portion 21 It escapes through the gap.

The discharged gas moves along the gap between the depressed portion 21 and the opening and closing member 1 and passes through the hole 41 of the cover member 4 through the space formed between the elastic member 3 and the depression 21, As shown in FIG. When the pressure inside the gas container 100 is lowered as much as the gas is discharged, the opening and closing member 1 is moved again in the direction of the hole 22 on the undersurface of the depression 21 by the elastic force of the elastic member 3, ). Thus, explosion of the gas container 100 can be prevented.

Next, when the user wants to discharge the remaining amount of gas, the protruding portion 13 is pulled to move the opening / closing member 1 and to open the hole 22 on the bottom of the depressed portion 21. When the hole 22 is opened, the gas is discharged to the outside by the action described above. Accordingly, residual gas can be discharged and the gas container 100 can be reused.

The gas container to which the safety valve of the portable gas container according to the embodiment of the present invention is mounted can be manufactured as follows.

6 is a flowchart showing a method of manufacturing a gas container employing a safety valve of a portable gas container according to the embodiment shown in Fig.

First, in step S1, the bottom plate 20 of the gas container 100 in which the holes 22 are formed in the center of the depression 21 and the depression 21 formed with steps is formed (S1). This can be molded by press working.

Next, in the second step, the packing member 2, the opening and closing member 1, the elastic member 3, and the cover member 4 described above are sequentially placed on the depressed portion 21 of the bottom plate 20 of the gas container 100 (S2).

Next, in the third step, the bottom plate 20 of the gas container 100, in which the packing member 2, the opening and closing member 1, the elastic member 3 and the cover member 4 are sequentially arranged by the second step, And the elastic member 3 is fixed in a compressed state (S3).

Next, in a fourth step, a protrusion 13 is formed around the depressed portion 21 so that the cover member 4 is supported by the clamping press working on the bottom plate 20 of the gas container 100 fixed by the third step (S4).

Next, the body 30 of the gas container 100 is coupled to the bottom plate 20 of the gas container 100 manufactured in the fourth step to complete the gas container 100 having the safety valve 10 (S5 ).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled 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.

1: opening and closing member 11: groove 12: seat 13:
2: packing member
3: Elastic member
4: cover member 41: hole
10: Safety valve
20: base plate 21: depression 22: hole 23: support
30: Body
T: Tools
100: gas container

Claims (6)

A recessed portion recessed inward is formed, and a hole is formed in a bottom surface of the recessed portion,
An opening / closing member inserted into the depression and opening / closing a hole of the depression,
A packing member interposed between the opening and closing member and the bottom surface of the depressed portion to prevent gas from leaking from the gas container,
An elastic member urging the opening and closing member to bring the packing member into close contact with the bottom surface of the depressed portion, and
A cover member that supports the elastic member at one side and has a hole formed at a central portion thereof so as to allow the leaked gas to pass therethrough,
Lt; / RTI >
Wherein the opening / closing member has a circular cross section and a flat circular plate shape, and the diameter of the circle of the cross section is smaller than the diameter of the depression, so that gas discharged when the opening / closing member is opened is guided by the outer peripheral surface of the opening / So as to escape into the space between the two,
The opening and closing member is formed with a seating groove for seating the packing member. A recessed portion is recessed in the opposite surface of the seating groove to form a seating seat on which the elastic member is seated,
The seat is formed with a protrusion extending through the inside of the elastic member and being pulled from the outside to forcibly open the opening and closing member
Safety valve for portable gas containers. delete delete The method according to claim 1,
Wherein the support portion is a protrusion formed around the depression, and the cover member is supported by the protrusion to prevent the position of the cover member from being shifted. A body having an internal space in which gas can be stored,
A bottom plate formed to close the bottom surface of the body, a depression formed in the center of the body and a hole formed in the bottom of the depression,
The safety valve according to any one of claims 1 to 4, which is coupled to the bottom plate to open and close the hole of the depression
. ≪ / RTI > delete
KR1020150094366A 2015-07-01 2015-07-01 Safety valve of potable gas tank, gas tank having it and method for manufacturing the gas tank KR101723821B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150094366A KR101723821B1 (en) 2015-07-01 2015-07-01 Safety valve of potable gas tank, gas tank having it and method for manufacturing the gas tank

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Application Number Priority Date Filing Date Title
KR1020150094366A KR101723821B1 (en) 2015-07-01 2015-07-01 Safety valve of potable gas tank, gas tank having it and method for manufacturing the gas tank

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KR20170004262A KR20170004262A (en) 2017-01-11
KR101723821B1 true KR101723821B1 (en) 2017-04-06

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000072813A (en) * 2000-09-29 2000-12-05 이향제 Exhaust device for residual gas
KR20030008260A (en) 2001-07-16 2003-01-25 박진하 Over pressure safety apparatus of female type for aerosol cartridges

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