KR100435957B1 - Apparatus of check valve for fuel tank - Google Patents
Apparatus of check valve for fuel tank Download PDFInfo
- Publication number
- KR100435957B1 KR100435957B1 KR10-2001-0056677A KR20010056677A KR100435957B1 KR 100435957 B1 KR100435957 B1 KR 100435957B1 KR 20010056677 A KR20010056677 A KR 20010056677A KR 100435957 B1 KR100435957 B1 KR 100435957B1
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- Prior art keywords
- nipple
- check valve
- fuel tank
- hose
- fuel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03519—Valve arrangements in the vent line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
본 발명은 연료탱크의 체크밸브구조에 관한 것으로서,The present invention relates to a check valve structure of a fuel tank,
종래의 체크밸브구조는 체크밸브가 니플의 출구측에 삽입되고, 또 호스와 니플의 결합상태에 의존하여 니플에 삽입되어 있기 때문에 차량의 충돌사고 또는 그밖의 외력에 의해 상기 연결부위의 호스가 파손되거나 니플의 출구부분이 휘어지게되면 상기 니플로부터 체크밸브가 이탈되면서 연료탱크에 담겨있는 연료가 누출되게되고, 연료의 누출에 의해 화재의 위험이 증가함은 물론 각종 안전규제를 만족하지 못하게되는 문제점이 발생하고 있었다.In the conventional check valve structure, the check valve is inserted at the outlet side of the nipple and is inserted into the nipple depending on the coupling state of the hose and the nipple, so that the hose at the connection portion is damaged due to the collision of the vehicle or other external force. When the exit portion of the nipple is bent or the check valve is released from the nipple, the fuel contained in the fuel tank is leaked, and the risk of fire increases due to the leakage of the fuel as well as failing to satisfy various safety regulations. This was happening.
따라서, 상기 문제점을 해결하기 위한 본 발명은 연료탱크의 상측에 결합되어있는 니플의 하측 끝단에 스톱퍼를 형성하고, 니플의 내부에 체크밸브를 삽입하여 체크밸브가 니플의 하단인 연료탱크 내측에 위치하도록 하므로서, 차량의 충돌사고 또는 그밖의 외부충격에 의해 니플과 호스의 연결부위가 파손되더라도 연료탱크 내부의 연료가 누출되지 않도록 한 연료탱크의 체크밸브구조에 관한 것이다.Therefore, the present invention for solving the above problems is formed by the stopper at the lower end of the nipple is coupled to the upper side of the fuel tank, the check valve is inserted into the interior of the nipple check valve is located inside the fuel tank of the bottom of the nipple The present invention relates to a check valve structure of a fuel tank in which fuel inside the fuel tank does not leak even if the connection portion of the nipple and the hose is damaged by a crash of the vehicle or other external shock.
Description
본 발명은 연료탱크의 체크밸브구조에 관한 것으로서, 특히 연료탱크의 상측에 결합되어있는 니플의 하측 끝단에 스톱퍼를 형성하고, 니플의 내부에 체크밸브를 삽입하여 체크밸브가 니플의 하단인 연료탱크 내측에 위치하도록 하므로서, 차량의 충돌사고 또는 그밖의 외부충격에 의해 니플과 호스의 연결부위가 파손되더라도 연료탱크 내부의 연료가 누출되지 않도록 한 연료탱크의 체크밸브구조에 관한 것이다.The present invention relates to a check valve structure of a fuel tank, and in particular, a stopper is formed at a lower end of a nipple coupled to an upper side of a fuel tank, and a check valve is inserted into the nipple so that the check valve is a lower end of the nipple. Since it is located on the inside, it relates to a check valve structure of the fuel tank so that the fuel inside the fuel tank does not leak even if the connection between the nipple and the hose is damaged by a crash or other external impact of the vehicle.
일반적으로 연료탱크에 장착되는 체크밸브는 연료탱크 내부에서 발생하는 증발가스가 선별적으로 배출되어 캐니스터로 공급되도록 하는 기능을 가진다.In general, the check valve mounted on the fuel tank has a function to selectively discharge the boil-off gas generated in the fuel tank to the canister.
도 1 은 종래의 체크밸브구조를 도시한 것으로서,1 shows a conventional check valve structure,
연료탱크(1)의 상측 일단에 관 형상의 니플(2)이 삽입되어 용접 결합되고, 이 니플(2)의 출구측에 체크밸브(3)가 마개 형태로 삽입 결합된다.A tubular nipple 2 is inserted and welded into the upper end of the fuel tank 1, and a check valve 3 is inserted into the outlet of the nipple 2 in a plug form.
상기 도면상에는 체크밸브(3)가 단순한 마개형태로 도시되었으나 실제로는 증발가스를 선별적 배출을 위한 스프링, 밸브체, 가스통로 등이 형성되어 있다.Although the check valve 3 is shown in the form of a simple stopper, the spring, the valve body, the gas passage and the like are formed for the selective discharge of the boil-off gas.
그리고, 상기 니플(2)의 출구측에 타측이 캐니스터와 연결되어있는 호스(4)가 외각으로 삽입된 후 상기 호스(4)의 외각으로 클램프(5)를 결합하여 호스(4)와 니플(2)이 강하게 결합되도록 한다.Then, the hose 4, the other side of which is connected to the canister at the outlet side of the nipple 2, is inserted into the outer shell, and then the clamp 4 is coupled to the outer shell of the hose 4 so that the hose 4 and the nipple ( 2) is strongly coupled.
즉, 종래에는 상기 니플(2)의 출구측에 체크밸브(3)가 삽입된 상태에서 니플(2)의 외각으로 호스(4)를 결합하고, 상기 호스(4)의 외부에 클램프(5)를 결합하므로서, 호스(4)와 니플(2)이 완전하게 밀착되어 결합되면서 체크밸브(3) 또한 니플(2)내에 견고하게 결합되는 것이다.That is, conventionally, the hose 4 is coupled to the outer shell of the nipple 2 in a state where the check valve 3 is inserted into the outlet side of the nipple 2, and the clamp 5 is attached to the outside of the hose 4. By combining the hose 4 and the nipple 2 is completely tightly coupled to the check valve 3 is also firmly coupled in the nipple (2).
그러나, 종래의 체크밸브구조는 체크밸브가 니플(2)의 출구측에 삽입되고, 또 호스(4)와 니플(2)의 결합상태에 의존하여 니플(2)에 삽입되어 있기 때문에 차량의 충돌사고 또는 그밖의 외력에 의해 상기 연결부위의 호스(4)가 파손되거나 니플(2)의 출구부분(A부분)이 휘어지게되면 상기 니플(2)로부터 체크밸브가 이탈되면서 연료탱크에 담겨있는 연료가 누출되게되고, 연료의 누출에 의해 화재의 위험이 증가함은 물론 각종 안전규제를 만족하지 못하게되는 문제점이 발생하고 있었다.However, in the conventional check valve structure, the collision of the vehicle is caused because the check valve is inserted in the outlet side of the nipple 2 and inserted into the nipple 2 depending on the coupling state of the hose 4 and the nipple 2. If the hose 4 of the connection part is damaged or the outlet part A of the nipple 2 is bent due to an accident or other external force, the check valve is released from the nipple 2 and the fuel contained in the fuel tank Is leaking, the risk of fire is increased by the leakage of fuel, as well as the problem that does not satisfy various safety regulations.
따라서, 상기 문제점을 해결하기 위한 본 발명은 연료탱크의 상측에 결합되어있는 니플의 하측 끝단에 스톱퍼를 형성하고, 니플의 내부에 체크밸브를 삽입하여 체크밸브가 니플의 하단인 연료탱크 내측에 위치하도록 하므로서, 차량의 충돌사고 또는 그밖의 외부충격에 의해 니플과 호스의 연결부위가 파손되더라도 연료탱크 내부의 연료가 누출되지 않도록 한 연료탱크의 체크밸브구조를 제공함을 목적으로 한다.Therefore, the present invention for solving the above problems is formed by the stopper at the lower end of the nipple is coupled to the upper side of the fuel tank, the check valve is inserted into the interior of the nipple check valve is located inside the fuel tank of the bottom of the nipple It is an object of the present invention to provide a fuel tank check valve structure in which fuel inside the fuel tank does not leak even if the connection portion between the nipple and the hose is damaged due to a crash or other external impact of the vehicle.
상기 목적달성을 위한 본 발명은,The present invention for achieving the above object,
연료탱크의 상측에 관형상의 니플을 결합하고, 연료탱크의 외부로 돌출된 니플의 상단에 호스를 끼우고 밀착시킨 것에 있어서,In the case that the tubular nipple is coupled to the upper side of the fuel tank, and a hose is attached to the upper end of the nipple protruding out of the fuel tank,
상기 니플의 하측 끝단부에 스톱퍼를 내향 돌출 형성하고, 연료탱크에서 발생된 증발가스의 배출을 위한 체크밸브를 상기 니플 내부에 삽입하여 스톱퍼에 의해 지지된 상태로 연료탱크 내부에 위치하도록 한 것을 특징으로 한다.A stopper is formed to protrude inwardly at the lower end of the nipple, and a check valve for discharging the boil-off gas generated from the fuel tank is inserted into the nipple to be positioned inside the fuel tank while being supported by the stopper. It is done.
그리고, 상기 체크밸브의 외주면상에 홈을 형성하고, 이 홈에 오링을 결합시켜 체크밸브와 니플 사이가 밀폐되도록 한 것을 특징으로 한다.In addition, a groove is formed on the outer circumferential surface of the check valve, and an O-ring is coupled to the groove to seal the gap between the check valve and the nipple.
도 1 은 종래의 체크밸브구조를 보인 도면.1 is a view showing a conventional check valve structure.
도 2 는 본 발명의 체크밸브구조를 보인 도면.2 is a view showing a check valve structure of the present invention.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
10 : 연료탱크 11 : 니플10: fuel tank 11: nipple
12 : 스톱퍼 13 : 체크밸브12: stopper 13: check valve
14 : 홈 15 : 오링14: Home 15: O-ring
16 : 호스 17 : 클램프16 hose 17 clamp
도 2 는 상기 목적달성을 위한 본 발명의 체크밸브구조를 도시한 것으로서, 이 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Figure 2 shows a check valve structure of the present invention for achieving the above object, it will be described below with reference to the drawings the preferred embodiment of the present invention.
도면부호 10 은 연료탱크를 나타내며, 이 연료탱크(10)의 일측에 관 형상의 니플(11)이 삽입되어 용접작업에 의해 결합되며, 상기 니플(11)의 하측 끝단에 후설하는 체크밸브(13)의 이탈을 방지하기 위한 스톱퍼(12)를 내향 돌출 형성한다.Reference numeral 10 denotes a fuel tank, and a check valve 13 installed at one side of the fuel tank 10 is inserted into a tubular nipple 11 and joined by a welding operation, and installed at a lower end of the nipple 11. The stopper 12 is formed to protrude inward to prevent the departure of).
연료탱크(10)의 외부로 돌출된 니플(11)의 출구측에 호스(16)를 끼우고, 상기 니플(11)과 호스(16)의 결합부위에 클램프(17)를 결합하여 호스(16)와 니플(11)이 견고하게 밀착 결합되도록 한다.The hose 16 is inserted into the outlet side of the nipple 11 protruding to the outside of the fuel tank 10, and the clamp 16 is coupled to the coupling portion of the nipple 11 and the hose 16 to connect the hose 16. ) And the nipple (11) to be tightly coupled.
본 발명에서는 체크밸브(13)를 니플(11)의 내부에 삽입하여 상기 체크밸브(13)가 도 2 에 도시된 바와같이 스톱퍼(12)에 의해 지지된 상태로 연료탱크(10)의 내측에 존재하도록 하였으며, 상기 체크밸브(13)의 외주면상에 홈(14)을 요입 형성하고, 이 홈(14)에 오링(15)을 결합하여 니플(11)과 체크밸브(13)의 사이가 오링(15)에 의해 밀폐되도록 하였다.In the present invention, the check valve 13 is inserted into the nipple 11 so that the check valve 13 is supported by the stopper 12, as shown in FIG. And a groove 14 is formed on the outer circumferential surface of the check valve 13, and the o-ring 15 is coupled to the groove 14 so that the gap between the nipple 11 and the check valve 13 is O-ring. It was made to seal by (15).
상기 설명에서와 같이 구성된 본 발명에 의하면, 체크밸브(13)가 니플(11)의 하단, 즉, 연료탱크(10)의 내부에 위치하게되므로 외부충격이나 차량 충돌에 의해 니플(11)과 호스(16)의 연결부위(A부분)가 파손되더라도 체크밸브(13)에는 아무런 영향을 미치지 않게되므로 연료의 누출현상이 발생하지 않게된다.According to the present invention configured as described above, the check valve 13 is located at the lower end of the nipple 11, that is, inside the fuel tank 10, so that the nipple 11 and the hose by an external shock or a vehicle collision. Even if the connection part (Part A) of (16) is broken, there is no effect on the check valve 13, so that fuel leakage does not occur.
이상에서 설명한 바와같이 본 발명은 연료탱크의 상측에 결합되어있는 니플의 하측 끝단에 스톱퍼를 형성하고, 니플의 내부에 체크밸브를 삽입하여 체크밸브가 니플의 하단인 연료탱크 내측에 위치하도록 하므로서, 차량의 충돌사고 또는 그밖의 외부충격에 의해 니플과 호스의 연결부위가 파손되더라도 연료탱크 내부의 연료가 누출되지 않도록 한 연료탱크의 체크밸브구조를 제공하는 효과를 기대할 수 있다.As described above, the present invention forms a stopper at the lower end of the nipple coupled to the upper side of the fuel tank, and inserts a check valve into the nipple so that the check valve is positioned inside the fuel tank, which is the lower end of the nipple. The effect of providing a check valve structure of the fuel tank which prevents the fuel from leaking inside the fuel tank even if the connection between the nipple and the hose is broken due to a crash or other external impact of the vehicle can be expected.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0056677A KR100435957B1 (en) | 2001-09-14 | 2001-09-14 | Apparatus of check valve for fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0056677A KR100435957B1 (en) | 2001-09-14 | 2001-09-14 | Apparatus of check valve for fuel tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20030023924A KR20030023924A (en) | 2003-03-26 |
| KR100435957B1 true KR100435957B1 (en) | 2004-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0056677A KR100435957B1 (en) | 2001-09-14 | 2001-09-14 | Apparatus of check valve for fuel tank |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970000735A (en) * | 1995-06-30 | 1997-01-21 | 김태구 | Evaporative gas emission prevention device of fuel |
| KR19980068708U (en) * | 1998-09-07 | 1998-12-05 | 송효순 | Check Nozzle |
| JP2000280764A (en) * | 1999-01-28 | 2000-10-10 | Toyoda Gosei Co Ltd | Oil supplying device of fuel tank |
| JP2001047874A (en) * | 1999-08-04 | 2001-02-20 | Toyoda Gosei Co Ltd | Check valve and fuel tank using the same |
-
2001
- 2001-09-14 KR KR10-2001-0056677A patent/KR100435957B1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970000735A (en) * | 1995-06-30 | 1997-01-21 | 김태구 | Evaporative gas emission prevention device of fuel |
| KR19980068708U (en) * | 1998-09-07 | 1998-12-05 | 송효순 | Check Nozzle |
| JP2000280764A (en) * | 1999-01-28 | 2000-10-10 | Toyoda Gosei Co Ltd | Oil supplying device of fuel tank |
| JP2001047874A (en) * | 1999-08-04 | 2001-02-20 | Toyoda Gosei Co Ltd | Check valve and fuel tank using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030023924A (en) | 2003-03-26 |
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