KR20030005695A - Check valve apparatus against gas leakage - Google Patents

Check valve apparatus against gas leakage Download PDF

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Publication number
KR20030005695A
KR20030005695A KR1020010041090A KR20010041090A KR20030005695A KR 20030005695 A KR20030005695 A KR 20030005695A KR 1020010041090 A KR1020010041090 A KR 1020010041090A KR 20010041090 A KR20010041090 A KR 20010041090A KR 20030005695 A KR20030005695 A KR 20030005695A
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KR
South Korea
Prior art keywords
gas
lpg
filling
check valve
vehicle
Prior art date
Application number
KR1020010041090A
Other languages
Korean (ko)
Inventor
장필식
Original Assignee
현대자동차주식회사
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Priority to KR1020010041090A priority Critical patent/KR20030005695A/en
Publication of KR20030005695A publication Critical patent/KR20030005695A/en

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/005—Electro-mechanical devices, e.g. switched
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • 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
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • 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
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0651—One-way valve the fluid passing through the solenoid coil
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
    • 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
    • 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
    • F17C2205/0335—Check-valves or non-return 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0178—Cars

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

PURPOSE: A check valve for restricting gas leak of an LPG(Liquefied Petroleum Gas) vehicle is provided to operate conveniently, prevent gas leakage, and reduce charge time of fuel by installing the check valve in the LPG charge path. CONSTITUTION: A fuel charge system of an LPG vehicle comprises an LPG bombe storing LPG; an LPG charge valve manually turned on in filling with gas, and turned off in finishing filling or parking; a lever hose injecting gas to the LPG bombe; a check valve(8) installed in the lever hose, turned for gas flow direction in charging gas and rotated to shut off gas flow completely in finishing charging; a solenoid(13) turning a rotary disk vertically or horizontally to gas flow; and a switch(18) installed in a driver's seat to turn on and off the solenoid by using power of a battery. The system is used conveniently, and charge time is reduced.

Description

엘피지 차량의 가스 누설 방지를 위한 체크 밸브 장치{Check valve apparatus against gas leakage}Check valve apparatus for gas leakage prevention of LPI vehicle

본 발명은 LPG 차량의 가스 충전시 가스 누설의 방지를 위한 체크밸브 장치에 관한 것이다.The present invention relates to a check valve device for preventing gas leakage during gas filling of an LPG vehicle.

LPG 차량의 경우 연료로써 가솔린 대신 액상 가스인 LPG를 연료를 사용한다.In the case of LPG vehicles, LPG, a liquid gas, is used instead of gasoline as fuel.

LPG 가스는 인화성과 폭발성이 매우 강하여 그 취급에 상당한 주의를 기울여야 하므로 연료의 충전 시스템도 특별한 장지들을 요구한다.LPG gas is highly flammable and explosive and requires careful attention to its handling, so the fuel filling system also requires special loading.

일반적으로 LPG 차량은 도 4에 도시하는 것과 같이 가스탱크인 LPG 봄베(30)를 차량의 하부, 특히 트렁크내에 장착하고 LPG봄베(30)에 연결되는 호스(31)와 파이프(32) 끝의 LPG충전구(33)를 연료도어박스(34)내에 두고, 연료의 충전시 연료도어(35)를 열고 LPG충전구(33)를 통해 LPG연료를 LPG봄베(30)에 주입하고 있다.In general, LPG vehicle LPG cylinder 30, which is a gas tank LPG cylinder 30 is mounted in the lower part of the vehicle, especially the trunk, and connected to the LPG cylinder 30, LPG at the end of the pipe 32 as shown in FIG. The filling port 33 is placed in the fuel door box 34, the fuel door 35 is opened when the fuel is filled, and the LPG fuel is injected into the LPG cylinder 30 through the LPG filling hole 33.

그런데 LPG연료는 초고압으로 LPG봄베(30)에 충전되므로 그의 누설을 방지하기 위하여 가스 충전시에는 열고 충전 완료 및 차시동 오프후 장시간 주차시에는 닫게되는 LPG충전밸브(36)를 장치하고 있다.However, the LPG fuel is charged to the LPG cylinder 30 at a very high pressure, so in order to prevent its leakage, the LPG filling valve 36 is opened at the time of gas filling and closed when parking for a long time after the completion of charging and after the vehicle is turned off.

그러나 LPG충전밸브(36)는 가스봄베(30)에의 장착 위치상 차량의 플로어의 구석 부분에 위치하고 있어, 그것을 잠그기 위해서는 도로 바닥에 엎드려 잠금 작업하거나 또는 신체를 심하게 비틀어 구부리는 등의 불편한 자세로 잠금 작업을 하여야 하기 때문에 LPG충전밸브(36)를 잠그는 작업이 매우 번거로웠다.However, the LPG filling valve 36 is located at the corner of the floor of the vehicle on the mounting position on the gas cylinder 30, and in order to lock it, the LPG filling valve is locked in an uncomfortable posture such as lying on the floor of the road or locking the body severely by twisting it. Locking the LPG filling valve 36 was very cumbersome because the work must be done.

이때문에 LPG충전밸브(36)와는 별도로 일방향 밸브인 체크밸브(37)를 추가로설치하므로써 가스의 주입시엔 체크밸브(37)가 열리고 가스의 주입완료후엔 자동으로 닫히도록 하므로써 LPG충전밸브(36)의 폐쇄조작 없이도 가스 누설을 방지하여 안전을 확보토록 하고 있다.Therefore, by additionally installing a check valve 37, which is a one-way valve, separate from the LPG fill valve 36, the check valve 37 opens when the gas is injected and closes automatically after the injection of the gas. Safety is ensured by preventing gas leakage without the closing operation.

그러나 상기한 종래의 체크밸브(37)는 도 5에 도시하는 것과 같이 밸브바디 (38)내의 가스공급로(39)를 스프링(40)에 의해 탄력지지되는 원판 형상의 밸브판 (41)이 가스 도입 방향을 따라 축방향으로 움직여 개폐되는 구조의 것이어서, 밸브판(41)이 가스공급로(39)를 개방하게 되는 경우 밸브시트(42)로부터 떨어진 밸브판 (41)이 가스공급의 흐름을 방해하는 장애물로 작용하여 가스의 충전시간이 지연되는 문제점이 있었다.However, in the conventional check valve 37, as shown in FIG. 5, a disk-shaped valve plate 41 which supports the gas supply passage 39 in the valve body 38 by the spring 40 is gas. Since the valve plate 41 is opened and closed by moving in the axial direction along the introduction direction, when the valve plate 41 opens the gas supply passage 39, the valve plate 41 separated from the valve seat 42 obstructs the flow of the gas supply. There was a problem in that the filling time of the gas is delayed acting as an obstacle.

실험에 의하면 통상 60ℓ의 가스충전시 체크밸브(37)를 구비하지 아니하고 LPG충전밸브(36)만을 구비하고 있는 LPG봄베(30)의 경우 2분 정도의 시간이 소요되나 도시한 구조의 일방향 체크밸브(37)를 더 구비하고 있는 경우 2분 30초 내지 3분 정도 시간이 걸리는 것으로 나타나 가스충전 속도 저하에 따라 운전자 및 가스충전소의 불편이 가중되는 것으로 보고되고 있다.According to the experiment, the LPG cylinder 30, which does not include the check valve 37 for gas filling of 60 liters and has only the LPG filling valve 36, takes about 2 minutes, but is a one-way check valve of the illustrated structure. In the case of further equipped with (37), it takes 2 minutes 30 seconds to 3 minutes, and it is reported that the inconvenience of the driver and the gas station is increased as the gas filling speed decreases.

이에 본 발명은 상기한 점을 감안하여 제안한 것으로서 그의 목적으로 하는 것은 운전자에 의해 손쉽게 온ㆍ오프 조작이 가능하며, 가스의 충전속도의 저하를 가져오지 않는 구조의 LPG 차량의 가스 충전시 가스 누설 방지를 위한 체크밸브 장치를 제공하는 데 있다.Accordingly, the present invention has been proposed in view of the above point, and its object is to enable on / off operation easily by the driver, and to prevent gas leakage during gas charging of LPG vehicles having a structure that does not reduce the gas charging speed. To provide a check valve device for.

상기한 목적을 달성하기 위해 본 발명은 엔진에 공급하기 위한 LPG 가스를저장하는 LPG봄베와, LPG가스의 충전시 수동 조작에 의해 온시키며, 가스 충전 완료나 장시간 주차시 오프 조작하도록 LPG봄베에 장착되는 LPG충전밸브와, LPG봄베에 가스를 도입하는 레버호스 및 LPG충전구를 포함하는 LPG 차량용의 연료 충전계에 있어서,In order to achieve the above object, the present invention is an LPG cylinder for storing the LPG gas for supplying the engine, and the LPG cylinder to be turned on by manual operation during the filling of the LPG gas, mounted on the LPG cylinder to complete the gas filling or off operation when parking for a long time In the fuel filling system for an LPG vehicle comprising an LPG filling valve, a lever hose for introducing gas into the LPG cylinder and an LPG filling port,

상기 레버호스의 도중에 설치되어, 가스충전시에는 가스 유동 방향과 나란히 되도록 회전작동하며, 가스 충전 완료시엔 가스 유동 단면적을 완전 차단하도록 회전 작동하는 회전원판을 구비하는 체크밸브와.And a check valve installed in the middle of the lever hose, the rotating valve being parallel to the gas flow direction when filling the gas, and the rotating disk rotating completely to completely block the gas flow cross-sectional area when the gas filling is completed.

상기 회전원판을 가스 흐름에 대하여 수직 또는 수평 위치로 회동 작동하도록 온ㆍ오프 작동되는 솔레노이드 기구와;A solenoid mechanism that is turned on and off to rotate the rotating disc in a vertical or horizontal position with respect to the gas flow;

차량의 밧데리 전원을 이용하여 상기 솔레노이드기구를 온ㆍ오프 작동시킬 수 있게 운전석에 설치되는 스위치;를 포함하여 구성되어 있다.And a switch installed in the driver's seat so that the solenoid mechanism can be turned on and off using a battery power source of the vehicle.

도 1은 본 발명에 의한 LPG 차량의 가스 충전시 가스 누설 방지를 위한 체크 밸브장치를 나타내는 도면이다.1 is a view showing a check valve device for preventing gas leakage during gas charging of the LPG vehicle according to the present invention.

도 2는 본 발명에 의한 체크밸브의 요부 단면 상세도이다.2 is a detailed cross-sectional view of the main portion of the check valve according to the present invention.

도 3은 본 발명에 의한 체크밸브 장치의 작동을 설명하기 위한 도면이다.3 is a view for explaining the operation of the check valve device according to the present invention.

도 4와 도 5는 종래기술이다.4 and 5 are prior art.

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

1 : LPG봄베 2 : 러버호스1: LPG Bombe 2: Rubber Hose

3 : 스틸파이프 4 : LPG 충전밸브3: steel pipe 4: LPG filling valve

8 : 체크밸브 9 : 밸브바디8: check valve 9: valve body

10 : 회전원판 11 : 회전축10: rotating disc 11: the rotating shaft

12 : 피니언기어 13 : 솔레노이드기구12: pinion gear 13: solenoid mechanism

14 : 래크기어 15 : 플런저14: rack gear 15: plunger

16 : 전자석 17 : 밧데리전원16: electromagnet 17: battery power

18 : 스위치 21 : 가스공급통로18: switch 21: gas supply passage

22 : 리턴스프링 23 : 내벽면22: return spring 23: inner wall surface

이하 본 발명의 구성을 첨부한 도면을 참조하여 설명한다.Hereinafter, the configuration of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 의한 LPG 차량의 가스 충전시 가스 누설 방지를 위한 체크밸브장치를 나타내는 도면이고, 도 2는 본 발명에 의한 체크밸브 장치의 작동을 설명하기 위한 도면으로서 도면중부호 1은 LPG가스를 저장하는 LPG봄베이다.1 is a view showing a check valve device for preventing gas leakage during the gas filling of the LPG vehicle according to the present invention, Figure 2 is a view for explaining the operation of the check valve device according to the present invention, the reference numeral 1 is LPG It is an LPG bomb that stores gas.

LPG봄베(1)는 차량의 플로어부나 뒷트렁크에 장착되며, LPG연료가 소모되어 고갈되었을 때 LPG 충전소에서 연료를 재충전하게 된다.The LPG cylinder 1 is mounted on the floor or rear trunk of the vehicle, and recharges fuel at the LPG charging station when the LPG fuel is consumed and exhausted.

LPG가스의 재충전은 러버호스(2)와 스틸파이프(3)를 통해 가스주유기(도시생략)에 접속되어 이루어지며, 이를 위해 스틸파이프(3) 선단에 마련된 LPG충전구(4)가 연료도어박스(5)내에 고정 인출되어 있어 연료도어(6)를 열고 LPG충전구(4)에 가스주유기를 접속하여 충전 작업을 하게 된다.The LPG gas is recharged through a rubber hose (2) and a steel pipe (3) and connected to a gas lubricator (not shown). For this purpose, the LPG filling hole (4) provided at the tip of the steel pipe (3) is a fuel door box. It is fixedly drawn in (5), and the fuel door 6 is opened, and the gas lubricator is connected to the LPG filling port 4 to perform the filling operation.

LPG봄베(1)에는 LPG가스 충전시 오픈 조작되고, 가스 충전 완료시나 장시간 주차시에는 폐쇄 조작되는 LPG충전밸브(7)가 마련되어 있으며, 이와는 별도는 러버호스(2)의 도중에 체크밸브(8)가 설치되어 있다.The LPG cylinder 1 is provided with an LPG filling valve 7 which is opened when LPG gas is filled and closed when gas is completed or parked for a long time. Separately, the check valve 8 is provided in the middle of the rubber hose 2. Is installed.

이 체크밸브(8)는 밸브바디(9)와 회전원판(10)을 포함하여 구성되며, 밸브바디(9)를 관통하는 회전축(11)의 일단에는 피니언기어(12)가 형성되고, 이 피니언기어(12)는 솔레노이드기구(13)의 래크기어(14)와 맞물림되어 있다.The check valve 8 includes a valve body 9 and a rotating disc 10. A pinion gear 12 is formed at one end of the rotating shaft 11 penetrating the valve body 9, and the pinion The gear 12 is engaged with the rack gear 14 of the solenoid mechanism 13.

래크기어(14)는 플런저(15)의 선단에 형성되고 플런저(15)는 전자석(16)의 여자에 따라 전진 또는 후퇴를 하게된다.The rack gear 14 is formed at the tip of the plunger 15 and the plunger 15 is moved forward or backward depending on the excitation of the electromagnet 16.

솔레노이드기구(13)의 전자석(16)을 여자하는 전원으로는 엔진 시동 및 전장 장치의 전원공급용인 밧데리(17)가 이용되며, 밧데리 전원(17)을 단속하는 스위치(18)가 운전석에 설치되어 있다.As a power source for energizing the electromagnet 16 of the solenoid mechanism 13, a battery 17 is used for starting the engine and supplying electric equipment, and a switch 18 for controlling the battery power source 17 is installed in the driver's seat. have.

도면중 미설명부호 19는 릴레이스위치이고, 부호 20은 밀봉패킹이다.In the figure, reference numeral 19 denotes a relay switch, and reference numeral 20 denotes a sealing seal.

이와같은 본 발명은 LPG 연료의 소모로 가스충전이 필요할 때에는 가스충전소의 가스 주유기 옆에 차량을 정차한 후 연료도어(6)를 열고 가스공급노즐을 LPG충전구(4)에 접속하고 LPG충전밸브(7)를 수동조작에 의해 개방시킨다.When the gas filling is required due to the consumption of LPG fuel, the present invention stops the vehicle next to the gas lubricator of the gas filling station, opens the fuel door 6, connects the gas supply nozzle to the LPG filling port 4, and connects the LPG filling valve. (7) is opened by manual operation.

다음에 운전석의 스위치(18)를 온하면, 밧데리 전원(17)이 인가되어 솔레노이드기구(13)의 전자석(16)이 여자되어 플런저(15)를 끌어당기게 되며, 래크기어(14)와 맞물린 피니언기어(12)가 회전하면서 회전축(11)에 고정된 회전원판(10)이 90°회전하여 가스의 흐름방향과 수평상태에서 멈추게 된다.Next, when the switch 18 of the driver's seat is turned on, the battery power source 17 is applied, and the electromagnet 16 of the solenoid mechanism 13 is excited to attract the plunger 15 to engage with the rack gear 14. As the pinion gear 12 rotates, the rotating disc 10 fixed to the rotating shaft 11 is rotated by 90 degrees to stop in the gas flow direction and the horizontal state.

이에따라 고압측인 가스공급노즐로부터 개방된 가스공급통로(21)를 따라서 가스가 흘러, 즉 스틸파이프(3), 러버호스(2), 체크밸브(8), LPG충전밸브(7)를 거쳐 LPG봄베(1)속으로 유입되어 충진되며, 만탱크 또는 원하는 급유량에 도달하여 가스공급이 차단되면, 이때 운전자는 운전석의 스위치(18)를 오프시키게 된다.Accordingly, gas flows along the gas supply passage 21 opened from the gas supply nozzle on the high pressure side, that is, the LPG via the steel pipe 3, the rubber hose 2, the check valve 8, and the LPG filling valve 7. Filled into the cylinder 1 is filled, when the gas supply is cut off by reaching the tank or the desired oil supply, the driver turns off the switch 18 of the driver's seat.

이에따라 솔레노이드기구(13)에의 전원공급이 차단되며, 전자석(16)의 여자 상태가 해제되면 리턴스프링(22)의 탄성력에 의해 플런저(15)가 원위치로 복귀하며, 이에 연동하여 회전원판(10)은 90°회전하여 가스공급통로(21)를 차단하게 된다. 이로써 LPG충전밸브(7)를 잠그지 않더라도 LPG봄베(1)속의 가스가 체크밸브(8)를 통해 역류하여 외부로 누설되는 것이 차단되는 것이다.Accordingly, the power supply to the solenoid mechanism 13 is cut off, and when the excited state of the electromagnet 16 is released, the plunger 15 returns to its original position by the elastic force of the return spring 22, and the rotating disc 10 is linked thereto. Rotates 90 ° to block the gas supply passage 21. Thus, even if the LPG filling valve 7 is not locked, the gas in the LPG cylinder 1 flows back through the check valve 8 to prevent leakage to the outside.

여기서 운전자는 안전성을 더욱 확보하기 위하여 LPG충전밸브(7)를 수동조작하여 잠그는 것이 바람직하다.Here, it is preferable that the driver locks the LPG filling valve 7 by manual operation in order to further secure the safety.

그리고 가스공급통로(21)의 내벽면(23)을 구형으로 하여 회전원판(10)의 외주면에 기밀하게 접촉하도록 하는 것이 가스의 확실한 누설방지를 위해 바람직하다.In addition, the inner wall surface 23 of the gas supply passage 21 has a spherical shape so as to be in airtight contact with the outer circumferential surface of the rotating disc 10, so that it is preferable to prevent gas leakage.

이상과 같은 본 발명에 의하면 LPG가스 충전시에만 운전석에서의 스위치 조작에 의해 회전하여 풀 개방되는 체크밸브를 LPG 충전 경로상에 설치하므로써 그 조작이 간편하고 LPG 가스의 누설이 확실히 방지되며, 연료의 충전시간을 단축하는 것이 가능하게 되는 효과가 있다.According to the present invention as described above, by operating the switch valve in the driver's seat only when filling the LPG gas, the check valve is opened and opened on the LPG filling path, the operation is simple, and the leakage of LPG gas is surely prevented. There is an effect that it is possible to shorten the charging time.

Claims (3)

엔진에 공급하기 위한 LPG가스를 저장하는 LPG봄베와, LPG가스의 충전시 수동 조작에 의해 온시키며, 가스 충전 완료나 장시간 주차시 오프 조작하도록 LPG봄베에 장착되는 LPG충전밸브와, LPG봄베에 가스를 도입하는 레버호스 및 LPG충전구를 포함하는 LPG차량용의 연료충전계에 있어서,LPG cylinder for storing LPG gas for supply to the engine, LPG filling valve mounted on the LPG cylinder to turn on by manual operation when filling the LPG gas, and to turn off the gas when the gas is filled or parked for a long time, and the gas in the LPG cylinder In the fuel filling system for LPG vehicles, including a lever hose and LPG filling port for introducing 상기 레버호스의 도중에 설치되어, 가스충전시에는 가스 유동 방향과 나란히 되도록 회전작동하며, 가스 충전 완료시엔 가스 유동 단면적을 완전 차단하도록 회전 작동하는 회전원판을 구비하는 체크밸브와.And a check valve installed in the middle of the lever hose, the rotating valve being parallel to the gas flow direction when filling the gas, and the rotating disk rotating completely to completely block the gas flow cross-sectional area when the gas filling is completed. 상기 회전원판을 가스 흐름에 대하여 수직 또는 수평 위치로 회동 작동하도록 온ㆍ오프 작동되는 솔레노이드 기구와;A solenoid mechanism that is turned on and off to rotate the rotating disc in a vertical or horizontal position with respect to the gas flow; 차량의 밧데리 전원을 이용하여 상기 솔레노이드기구를 온ㆍ오프 작동시킬 수 있게 운전석에 설치되는 스위치;를 포함하여 구성되어 있는 것을 특징으로 하는 LPG 차량의 가스누설 방지를 위한 체크밸브장치.And a switch installed in the driver's seat to enable the solenoid mechanism to be turned on and off using a battery power source of the vehicle. 제 1 항에 있어서,The method of claim 1, 상기 회전원판의 회전축의 일단에는 피니언기어가 장착되고, 그 피니언 기어는 솔레노이드기구의 플런저에 형성된 래크기어에 맞물려 상기 플런저의 전ㆍ후진 동작에 의해 상기 회전 원판이 회전하여 가스공급통로를 차단하거나 개방하는 것을 특징으로 하는 LPG 차량의 가스누설 방지를 위한 체크밸브장치.One end of the rotating shaft of the rotating disk is mounted with a pinion gear, the pinion gear is engaged with the rack gear formed on the plunger of the solenoid mechanism, the rotary disk rotates by the forward and backward movement of the plunger to block the gas supply passage or Check valve device for preventing gas leakage of the LPG vehicle, characterized in that the opening. 제 1 항에 있어서,The method of claim 1, 상기 회전원판에 접하는 가스공급통로의 내벽은 구형으로 형성되어 회전 원판의 외주에 기밀하게 접촉하는 것을 특징으로 하는 LPG차량의 가스누설 방지를 위한 체크밸브장치.The inner wall of the gas supply passage in contact with the rotating disc is formed in a spherical shape check valve device for preventing gas leakage of the LPG vehicle, characterized in that the airtight contact.
KR1020010041090A 2001-07-10 2001-07-10 Check valve apparatus against gas leakage KR20030005695A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803763B1 (en) * 2006-07-31 2008-02-15 최범석 Automatic shut-off valve assembly
KR101234627B1 (en) * 2006-12-11 2013-02-19 현대자동차주식회사 Drain valve
KR20180064171A (en) * 2016-12-05 2018-06-14 동아대학교 산학협력단 Swing Check Valve of Butterfly Type
CN110469679A (en) * 2018-05-09 2019-11-19 郑州宇通重工有限公司 It is a kind of to overturn spool and the butterfly valve using the spool, terminal box
CN113028103A (en) * 2021-02-19 2021-06-25 浙江伯特利科技股份有限公司 Axial-flow check valve rotation-proof structure for LNG
CN113700093A (en) * 2020-08-24 2021-11-26 福建闽山消防有限公司 Anti-embolism and leakage-proof structure and method for ground fire hydrant

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803763B1 (en) * 2006-07-31 2008-02-15 최범석 Automatic shut-off valve assembly
KR101234627B1 (en) * 2006-12-11 2013-02-19 현대자동차주식회사 Drain valve
KR20180064171A (en) * 2016-12-05 2018-06-14 동아대학교 산학협력단 Swing Check Valve of Butterfly Type
CN110469679A (en) * 2018-05-09 2019-11-19 郑州宇通重工有限公司 It is a kind of to overturn spool and the butterfly valve using the spool, terminal box
CN110469679B (en) * 2018-05-09 2024-05-03 郑州宇通重工有限公司 Overturning valve core and butterfly valve and junction box using same
CN113700093A (en) * 2020-08-24 2021-11-26 福建闽山消防有限公司 Anti-embolism and leakage-proof structure and method for ground fire hydrant
CN113700093B (en) * 2020-08-24 2023-02-10 福建闽山消防有限公司 Anti-bolt leakage structure and method for ground upper fire hydrant
CN113028103A (en) * 2021-02-19 2021-06-25 浙江伯特利科技股份有限公司 Axial-flow check valve rotation-proof structure for LNG
CN113028103B (en) * 2021-02-19 2022-12-20 浙江伯特利科技股份有限公司 Axial-flow check valve rotation-proof structure for LNG

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