WO2016013782A1 - Dispositif de sécurité de récipient de gaz - Google Patents

Dispositif de sécurité de récipient de gaz Download PDF

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Publication number
WO2016013782A1
WO2016013782A1 PCT/KR2015/007017 KR2015007017W WO2016013782A1 WO 2016013782 A1 WO2016013782 A1 WO 2016013782A1 KR 2015007017 W KR2015007017 W KR 2015007017W WO 2016013782 A1 WO2016013782 A1 WO 2016013782A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
main body
safety
safety device
gas container
Prior art date
Application number
PCT/KR2015/007017
Other languages
English (en)
Korean (ko)
Inventor
원세경
Original Assignee
오제이씨 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 오제이씨 주식회사 filed Critical 오제이씨 주식회사
Publication of WO2016013782A1 publication Critical patent/WO2016013782A1/fr

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Classifications

    • 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
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures

Definitions

  • the present invention relates to a gas container safety device, and more particularly, to a gas container safety device that can protect the user from the flame by removing the fire source after removing the fire source during the overpressure of the gas container.
  • a portable gas container is a portable butane gas container used for a portable gas stove by filling a butane gas mixture mainly composed of butane gas in liquefied petroleum gas, and a hairspray, insecticide, lacquer using liquefied petroleum gas as a propellant.
  • An aerosol container such as a spray, and the like, such a portable gas container ejects the contents to the outside by using the gas pressure in the container, and a predetermined pressure or more is always working.
  • Butane gas can be exploded due to the increase in pressure of liquefied gas inside butane gas container when it receives high heat from the surroundings during distribution or use. Especially in case of butane gas container used in portable gas stove, If the internal pressure is increased due to anomalous use or high temperature or a certain pressure is applied, the container may be deformed or broken and may explode if severe.
  • Korean Patent Publication No. 2005-0092527 discloses a “portable gas container”.
  • An object of the present invention is to provide a gas container safety device that can protect the user from the flame by removing the fire source before the discharge of the overpressure gas to the outside to prevent the explosion of the gas container when the gas container overpressure occurs. .
  • the safety device for a gas container includes: an upper cap provided at an upper portion of the main body, a valve portion provided at the upper cap to discharge gas filled in the main body, and discharged to the valve portion when an overpressure of the main body occurs. It characterized in that it comprises a shut-off valve unit for shutting off the gas and the gas discharge unit for releasing the overpressure gas of the main body in conjunction with the shut-off valve unit.
  • the valve unit may include a valve housing provided in the upper cap and communicating with the inside and the outside of the main body, and a stem provided in the valve housing to selectively discharge the internal gas of the main body.
  • the shutoff valve part may include a closing cap provided at an end of the valve housing and a blocking elastic member elastically supporting the closing cap in the valve housing.
  • the closing cap is characterized in that it comprises a double cut-off portion so that the flow path is blocked twice when the valve housing is blocked.
  • valve housing is in communication with the flow path, and includes a working space that the blocking elastic member is installed, the second cut-off portion is formed at the front end of the closing cap to block the flow path and the finish It is formed on the rear end of the cap characterized in that it comprises a second blocking portion for blocking the working space.
  • the working space is characterized in that the elongated rib portion for preventing the interference with the blocking elastic member when the closing cap is moved.
  • shut-off valve portion is characterized in that it comprises a release preventing portion for preventing the separation of the closing cap from the valve housing.
  • the separation prevention portion is characterized in that it comprises a fixing portion for fixing the separation prevention cap and the separation prevention cap provided at the end of the valve housing.
  • the gas discharge portion is provided with a discharge hole provided in the upper cap, the discharge hole, and the safety flow pipe that the internal gas flows into the main body when the valve is blocked by the shut-off valve unit, and the And a safety elastic member that elastically pressurizes the safety packing member to block the safety flow path tube.
  • the safety channel is characterized in that it is formed in a ring-shaped cross section provided with an inlet on one side.
  • the safety packing member is characterized in that the seating groove is formed on which the safety elastic member is seated.
  • valve unit and the gas discharge unit is characterized in that formed integrally.
  • Gas container safety device can prevent the explosion of the main body by discharging the over-pressure gas to the outside by the gas discharge unit when the overpressure occurs inside the main body by using anomalous without observing the safety rules.
  • the present invention can remove the fire source of the gas stove by blocking the gas discharged to the stem side before the over-pressure gas discharge by the gas discharge unit by the shut-off valve unit can protect the user from the flame during the discharge of the over-pressure gas.
  • the present invention can improve the airtightness by the double-blocking portion of the closing cap can improve the operation reliability.
  • shutoff valve part and the gas discharge part are integrally formed, the assemblability is improved.
  • the safety packing member as the safety packing member is stably moved in the safety flow channel by the wing, it can be evenly released to all parts during the release of the overpressure gas.
  • FIG. 1 is a perspective view showing a gas container according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a gas container safety device according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view 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 the gas container safety device according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing a normal use of the gas container safety device according to an embodiment of the present invention.
  • Figure 6 is a cross-sectional view showing a flow path blocking of the gas container saddle device according to an embodiment of the present invention.
  • Figure 7 is a cross-sectional view showing the operation when the overpressure discharge of the gas container safety device according to an embodiment of the present invention.
  • FIG. 1 is a perspective view showing a gas container according to an embodiment of the present invention
  • Figure 2 is a perspective view of a gas container safety device according to an embodiment of the present invention
  • Figure 3 is a gas container according to an embodiment of the present invention
  • Figure 4 is a cross-sectional view of the safety device
  • Figure 4 is a view showing the valve blocking portion of the gas container safety device according to an embodiment of the present invention
  • Figure 5 is a cross-sectional view showing a normal use of the gas container safety device according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing a flow path blocking of the gas container saddle device according to an embodiment of the present invention
  • Figure 7 is a cross-sectional view showing the operation during the over-pressure discharge of the gas container safety device according to an embodiment of the present invention.
  • the gas container safety device 100 includes an upper cap 120, a valve unit 130, a shutoff valve unit 140, and a gas discharge unit 170. It includes.
  • the upper cap 120 is provided on the upper portion of the main body 110.
  • the main body 110 includes a cylindrical body 112, a lower cap 114 covering a lower portion of the body 112, and a dome 116 covering an upper portion of the body 112.
  • the body 110 is made of a metal material of a predetermined thickness or more to have durability.
  • the upper cap 120 is coupled to the central portion of the dome 116, the upper cap 120 is provided with a valve unit 130.
  • the valve unit 130 discharges the gas filled in the main body 110, and the valve housing 132 provided with the upper cap 120 and having a flow path 132a for communicating 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 an inner central portion of the upper cap 120, and the stem 134 is provided at the center of the valve housing 132.
  • the stem 134 is elastically supported by the elastic member 136 in the inner space of the valve housing 132, and an orifice 135 penetrating the outer edge is formed.
  • a stem gasket 138 is provided between the upper cap 120 and the valve housing 132 to shield the orifice 135.
  • the stem gasket 134 blocks the orifice 135 before the stem 134 is pressed, so that the gas in the main body 110 is not discharged to the outside, and when the stem 134 is pressed by an external force, the orifice ( 135 is opened so that 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 occurs, and blocks the gas discharged to the outside through the stem 134 of the valve housing 132. That is, the gas discharged through the overpressure generating system 134 serves to remove the fire source.
  • the shutoff valve unit 140 includes a closing cap 142 provided at the end of the valve housing 132, and a blocking elastic member 144 for elastically supporting the closing cap 142 in the valve housing 132. .
  • the end of the valve housing 132 is extended to one side bent, the closing cap 142 is horizontally moved in accordance with the internal pressure in this portion can block the gas discharged to the outside through the valve housing 132.
  • the closing cap 142 includes a double cut-off portion 150 to shut off twice when the valve housing 132 is blocked.
  • the valve housing 150 communicates with the flow path 132a and includes an operating space 132b in which the blocking elastic member 144 is installed. That is, as shown in FIG. 4, an operating space 132b is provided in a horizontal section of the valve housing 132.
  • the dual cut-off part 150 is formed at the front end of the closing cap 142 and is formed at the rear end of the first blocking part 152 and the closing cap 142 to block the flow path 132a to operate the space portion 132b. It includes a second blocking unit 154 blocking the).
  • the first blocking portion 152 is formed at the front end of the closing cap 142 is made of a close inclined surface that is in close contact with the inner diameter of the flow path (132a) during the blocking operation of the closing cap 142, the second blocking portion 154 It is made of a step that is in close contact with the end of the working space (132b).
  • the working space portion 132b is provided with an extension rib portion 155 to prevent interference with the blocking elastic member 144 when the closing cap 142 is moved.
  • Extended rib portion 155 is provided between the flow path (132a) and the working space portion (132b) to prevent the smooth closing of the closing cap 142 and the blocking elastic member 144 during the blocking operation of the closing cap 142 Enable operation.
  • the shutoff valve part 140 includes a departure prevention part 160 that prevents the departure of the closing cap 142 from the valve housing 132.
  • the separation prevention part 160 includes a fixing part 164 for fixing the separation preventing cap 162 and the separation preventing cap 162 provided at the end of the valve housing 132.
  • the separation prevention cap 162 is hollow, and the fixing portion 164 includes a hook 166 formed on the separation prevention cap 162 and a fixing groove 167 to which the hook 166 is coupled.
  • the hook 166 is partially cut away from the release preventing cap 162 to have elastic force, and the tip of the release preventing cap 162 is inclined toward the front side so as to be easily inserted into the end of the valve housing 132.
  • the gas discharge unit 170 is provided in the upper cap 120 to interlock with the shutoff valve unit 140 to discharge the overpressure gas of the main body 110 to the outside. That is, when the internal pressure rises further after the valve unit 130 is blocked by the shutoff valve unit 140 when the overpressure occurs, the overpressure gas of the main body 110 is released to the outside to prevent an explosion or the like. do.
  • the gas discharge unit 170 is provided to correspond to the discharge hole 172 and the discharge hole 172 provided in the upper cap 120, when the valve unit 130 is blocked by the shut-off valve unit 140
  • the safety channel member 176 to block the safety channel 174, the safety packing member 176 for shielding the safety channel 174, and the safety channel 174, the inner gas of the main body 110 is introduced into It includes an elastically elastic safety elastic member 178.
  • the discharge hole 172 is formed in a ring shape outside the center of the upper cap 120.
  • the safety channel 174 is also formed in a ring-shaped cross section so as to correspond to the discharge hole 172, the safety packing member 176 is provided in the safety channel 174 to shield the safety channel 174 also It consists of a ring shape.
  • the safety packing member 176 provided in the safety channel 174 is pressed by the safety elastic member 178 made of a coil spring.
  • a safety gasket 179 is provided between the safety channel 174 and the discharge hole 172, and the safety elastic member 178 provided in the safety channel 174 is supported by the release preventing holder 178a. Departure is prevented.
  • the safety packing member 176 is formed with a seating groove 177 on which the safety elastic member 178 is seated.
  • the elastic force of the safety elastic member 178 is configured to be stronger than the elastic force of the blocking elastic member 144. That is, when the internal pressure of the main body 110 is 0.7 to 0.9 MPa, the blocking elastic member 144 is contracted so that the closing cap 142 blocks the valve housing 132 and the internal pressure of the main body 110 is 0.9 to 1.1. In the case of MPa, the elastic elastic member 178 is contracted to open the safety channel 174 to release the overpressure gas to the outside.
  • valve unit 130 and the gas discharge unit 170 may be integrally formed. That is, the safety passage tube 174 is integrally formed around the valve housing 132 to improve the assemblability.
  • the gas container according to the present embodiment may be mounted on a portable gas stove and then used. That is, when the main body 110 is mounted on the gas stove and the operating piece of the gas stove is operated, the stem 134 of the valve unit 130 is pressed and the gas charged in the main body 110 simultaneously opens the stem 134. Through the outside.
  • the flow path 132a of the valve housing 132 that normally discharges the gas inside the main body 110 through the stem 134 during the first overheating moves the closing cap 142. Blocked by This is possible because the blocking elastic member 144 is contracted when the internal pressure reaches 0.7 to 0.9 MPa and the closing cap 142 is moved. As the flow path 132a is blocked, the fire of the gas stove is extinguished. .
  • the blocking of the flow path 132a may improve the blocking reliability by the double blocking unit 150. That is, as shown in FIG. 6, when the blocking elastic member 144 is contracted by the internal pressure of the main body 110, the first blocking part 152 formed at the front end of the closing cap 142 is the flow path 132a. Is primarily blocked, and the second blocking portion 154 formed at the rear end of the closing cap 142 secondly blocks the working space 132b. This makes it possible to reliably extinguish the stove stove.
  • a seating groove 177 may be formed on the upper surface of the safety packing member 176 so that the safety elastic member 178 may be accurately seated, and a wing portion 176a extending outward is formed at the edge of the bottom surface due to overpressure.
  • all parts within the safety flow pipe 174 may rise uniformly.
  • the overpressure gas may be uniformly discharged to all parts of the discharge hole 172.
  • the end of the valve housing 132 is provided with a departure prevention cap 162 to prevent the departure of the closing cap 142, in particular, inlet along the flow path (132a) when filling the gas inside the main body 110
  • the closing cap 142 may be prevented from being separated by the gas pressure.
  • the gas container safety device according to an embodiment of the present invention as described above, if the overpressure occurs inside the main body without using the safety rules and irregularly used to discharge the over-pressure gas to the outside to prevent the explosion of the main body
  • the shutoff valve unit before the overpressure gas discharged by the gas discharge unit, the fire source of the gas stove can be removed, and the user can be protected from the flame when the overpressure gas is discharged.

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

Abstract

L'invention concerne un dispositif de sécurité de récipient de gaz. La présente invention concerne un dispositif de sécurité de récipient de gaz qui comporte : un capuchon supérieur qui est placé sur la partie supérieure d'un corps principal ; une unité de soupape qui est placée sur le capuchon supérieur et qui distribue un gaz chargé à l'intérieur du corps principal ; une unité de soupape de détente qui coupe le gaz distribué à travers l'unité de soupape lorsqu'une surpression se produit dans le corps principal ; une unité d'émission de gaz, qui est reliée à l'unité de soupape de détente et qui émet un gaz de surpression dans le corps principal vers l'extérieur.
PCT/KR2015/007017 2014-07-21 2015-07-07 Dispositif de sécurité de récipient de gaz WO2016013782A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0092209 2014-07-21
KR1020140092209 2014-07-21

Publications (1)

Publication Number Publication Date
WO2016013782A1 true WO2016013782A1 (fr) 2016-01-28

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Application Number Title Priority Date Filing Date
PCT/KR2015/007017 WO2016013782A1 (fr) 2014-07-21 2015-07-07 Dispositif de sécurité de récipient de gaz

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108884971A (zh) * 2016-03-28 2018-11-23 奥结茨株式会社 液化气罐安全阀

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200179876Y1 (ko) * 1999-11-18 2000-04-15 강경원 고압가스 용기용 개폐 밸브
JP2006112598A (ja) * 2004-10-18 2006-04-27 Denso Corp 流量制御弁
KR101049923B1 (ko) * 2010-10-12 2011-07-15 주식회사 대륙제관 3중 시밍구조를 갖는 폭발 방지용 캔 용기
KR101165435B1 (ko) * 2012-03-05 2012-07-12 원정제관(주) 가스용기용 안전밸브

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200179876Y1 (ko) * 1999-11-18 2000-04-15 강경원 고압가스 용기용 개폐 밸브
JP2006112598A (ja) * 2004-10-18 2006-04-27 Denso Corp 流量制御弁
KR101049923B1 (ko) * 2010-10-12 2011-07-15 주식회사 대륙제관 3중 시밍구조를 갖는 폭발 방지용 캔 용기
KR101165435B1 (ko) * 2012-03-05 2012-07-12 원정제관(주) 가스용기용 안전밸브

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108884971A (zh) * 2016-03-28 2018-11-23 奥结茨株式会社 液化气罐安全阀
US10633167B2 (en) 2016-03-28 2020-04-28 Ojc Co., Ltd. Safety valve of gas container

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