CN103344427A - Automobile fuel tank fuel filler pipe ventilation performance testing device - Google Patents
Automobile fuel tank fuel filler pipe ventilation performance testing device Download PDFInfo
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- CN103344427A CN103344427A CN201310300062XA CN201310300062A CN103344427A CN 103344427 A CN103344427 A CN 103344427A CN 201310300062X A CN201310300062X A CN 201310300062XA CN 201310300062 A CN201310300062 A CN 201310300062A CN 103344427 A CN103344427 A CN 103344427A
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Abstract
The invention discloses an automobile fuel tank fuel filler pipe ventilation performance testing device which comprises an air source connecting pipe, wherein the air source connecting pipe is provided with a control valve, the output end of the air source connecting pipe is provided with a tee joint, an air outlet in the air source connecting pipe is connected with an air inlet of the tee joint, a first air outlet of the tee joint is connected with a pressure gage, and a second air outlet of the tee joint is connected with a detection opening. A connector of an exhaust channel in a fuel filler pipe is connected to the detection opening, the air source connecting pipe is connected with an air source, the control valve is used for controlling in and out of air, and therefore starting and ending of a test are controlled. The testing device can conveniently and accurately detect the ventilation performance of the fuel filler pipe, the phenomena of advance gun jumping and oil spraying in the fuel filling process of an automobile are avoided, and the fuel filler pipe can operate well.
Description
Technical field
The present invention relates to the automobile component device for testing functions, refer to a kind of fuel tank of vehicle oil fuel tube venting capability proving installation particularly.
Background technology
Therefore along with developing of automobile industry, the user progressively improves quality and the performance requirement of auto parts and components, makes more reasonable, safer high-quality auto parts and components, is one of those skilled in the art's key content of endeavouring to study always.And oil fuel tube is one of important component part of vehicle fuel feed system, it is the unique channel that fuel oil enters fuel tank of vehicle, oil fuel tube has two kinds of metal oil fuel tube and plastics oil fuel tubes usually, and traditional oil fuel tube is added by metal mostly to be made, but metal is corroded easily, and heat-conduction coefficient height, exist weight big, moulding difficulty, problems such as cost height, at present, the metal oil fuel tube is replaced by the plastics oil fuel tube gradually.
Oil fuel tube is made up of filling passage and exhaust passage two parts usually, one end of filling passage is connected with the fuel tank pouring orifice, the other end is installed in the vehicle body upper oral part and pins with locking closure, during oiling, open locking closure, nozzle is inserted in the oil fuel tube, fuel oil enters in the fuel tank by filling passage, normal condition, fuel tank is filled it up with oil behind three jumping rifles of nozzle, and when refueling, the gas in the fuel tank is discharged from the exhaust passage, in a basic balance with the air pressure and the atmosphere outside pressure that keep fuel tank inside, fuel oil could join in the fuel tank smoothly like this.Yet, in the production molding process of oil fuel tube, tend to stop up or the part obstruction because some problems cause the exhaust passage, such as: the plastics oil fuel tube is to adopt the blow molding process moulding, in forming process, bad if mouthful mould improper use or mould are installed, or it is inharmonious to blow the relative position of bar and mould, the phenomenon that material folding all can occur, cause the exhaust passage to stop up or the part obstruction, if the exhaust passage is stopped up or part is stopped up, the fuel tank gas inside is then arranged and is not gone out, adding gradually along with fuel oil, the fuel tank gas inside is constantly compressed, and air pressure constantly increases, when air pressure increases when reaching to a certain degree, although the fuel oil in the fuel tank is not filled, fuel oil but can add, and occurs in advance jumping rifle, and occurs fuel injection event simultaneously, make the oil fuel tube cisco unity malfunction of fuel tank, and then cause potential safety hazard.
Summary of the invention
The present invention is directed to the problems referred to above a kind of fuel tank of vehicle oil fuel tube venting capability proving installation is provided, this device can make things convenient for the venting capability that detects oil fuel tube exactly, avoided automobile the phenomenon of early jump rifle and oil spout in refueling process, to occur, can well move with the assurance oil fuel tube.
For achieving the above object, the technical solution used in the present invention is: a kind of fuel tank of vehicle oil fuel tube venting capability proving installation, comprise the source of the gas connecting pipe, described source of the gas connecting pipe is provided with operation valve, and the output terminal of described source of the gas connecting pipe is provided with threeway, the gas outlet of described source of the gas connecting pipe is connected with the air intake opening of described threeway, is connected with manometer on first gas outlet of described threeway, and second gas outlet of described threeway is connected with the detection mouth.
The present invention is connected by the joint with exhaust passage in the oil fuel tube and detects on the mouth, connect source of the gas by the source of the gas connecting pipe then, and entering by operation valve control gas, thereby beginning and the end of control test, gas from source of the gas enters in the exhaust passage by detecting mouth, if exhaust passage obstruction or part are stopped up, its internal pressure can progressively increase with the continuous input of gas, just a manometer that is connected on the threeway gas outlet that communicates with the detection mouth this moment can show big force value; Otherwise, if the exhaust passage is normal, unblocked in it, then the manometer reading on the threeway gas outlet just can be zero or minimum, thereby detect the venting capability of oil fuel tube exactly, avoided automobile the phenomenon of early jump rifle and oil spout in refueling process, to occur, guaranteed that oil fuel tube can well move; The present invention utilize flexible pipe, hard tube, and connecting tube such as three-way pipe dexterously with compressed air source unit, pressure detection instrument, and the exhaust passage of fuel tank oil fuel tube to be detected is communicated with, and reaches whether unimpeded purpose of quick, the convenient exhaust passage of judging oil fuel tube; The present invention is simple in structure, the safety that operates and convenient, and reliable test result is accurate.
Further, be connected with tensimeter on the described source of the gas connecting pipe, be connected with flexible pipe between described second gas outlet of described threeway and the described detection mouth, described detection mouth, described tensimeter, and described operation valve is separately fixed on the base successively.The tensimeter of source of the gas connecting pipe is used for regulating admission pressure, to guarantee the constant and steady air current of admission pressure; To detect mouthful, described tensimeter, and institute's operation valve is fixed on and is conducive on the base improve integrally-built stability, and then makes test result more reliable.
Further, the top of described operation valve is provided with control valve operating lever.Entering and stop by control valve operating lever operation control gas.
Description of drawings
Fig. 1 is perspective view of the present invention.
Fig. 2 is the front elevation of Fig. 1.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing, be convenient to more clearly understand the present invention, but they do not constitute restriction to the present invention.
As Fig. 1, shown in Figure 2, a kind of fuel tank of vehicle oil fuel tube venting capability proving installation, comprise source of the gas connecting pipe 1, the input end of source of the gas connecting pipe 1 is connected with compressed air source unit, the input end of source of the gas connecting pipe 1 also is connected with for the tensimeter 6 of stablizing charge air flow, the output terminal of described source of the gas connecting pipe 1 is provided with threeway 3, source of the gas connecting pipe 1 between described tensimeter 6 and the threeway 3 is provided with the operation valve 2 that the control air-flow enters or stops, the top of operation valve 2 is provided with control valve operating lever 9, the gas outlet of described source of the gas connecting pipe 1 is connected with the air intake opening of described threeway 3, be connected with manometer 4 on first gas outlet of described threeway 3, second gas outlet of described threeway 3 is connected by rubber hose 7 with detecting between mouthful 5 bottoms, the top of detecting mouth 5 is used for installing the oil fuel tube 10 of plastic fuel tank, wherein, oil fuel tube 10 comprises exhaust passage 101 and filling passage 102, detecting mouthfuls 5 is connected with the escape hole of exhaust passage 101, described detection mouth 5, described tensimeter 6, and described operation valve 2 is separately fixed on the base 8 successively.
The course of work of the present invention is as follows: a termination of the exhaust passage 101 of oil fuel tube 10 is gone into to detect mouthfuls 5; Connect compressed air source unit from source of the gas connecting pipe 1 then, regulate admission pressure by tensimeter 6, guarantee that admission pressure is stable, air-flow is steady; Then be pulled upwardly control valve operating lever 9, connect source of the gas, air-flow enters threeway 3 by operation valve 2, airflow diversion subsequently, and a part enters manometer 4, and another part mouthfuls 5 enters in the exhaust passage 101 of oil fuel tube 10 after testing by rubber hose 7.If exhaust passage 101 is unobstructed, after gas enters the filling passage 102 of oil fuel tube 10 by exhaust passage 101, feed atmosphere, at this moment manometer 4 no registrations show or the demonstration registration very little (＜0.04MPa); Otherwise if exhaust passage 101 is stopped up or part is stopped up, gas can not enter in the atmosphere, and exhaust passage 101 internal gas pressures increase, thus the manometer 4 that is communicated with exhaust passage 101 have big registration demonstration (〉=0.04MPa).Depress control valve operating lever 9 downwards, close source of the gas, finish test.
Whether the present invention is simple and compact for structure, can measure the exhaust passage of oil fuel tube rapidly and accurately and stop up, thereby avoid oil fuel tube to occur the situation of early jump rifle or oil spout in actual use.
Claims (3)
1. fuel tank of vehicle oil fuel tube venting capability proving installation, comprise source of the gas connecting pipe (1), it is characterized in that: described source of the gas connecting pipe (1) is provided with operation valve (2), and the output terminal of described source of the gas connecting pipe (1) is provided with threeway (3), the gas outlet of described source of the gas connecting pipe (1) is connected with the air intake opening of described threeway (3), be connected with manometer (4) on first gas outlet of described threeway (3), second gas outlet of described threeway (3) is connected with detection mouthful (5).
2. a kind of fuel tank of vehicle oil fuel tube venting capability proving installation according to claim 1, it is characterized in that: be connected with tensimeter (6) on the described source of the gas connecting pipe (1), described second gas outlet of described threeway (3) and described detection are connected with flexible pipe (7) between mouthful (5), described detection mouthful (5), described tensimeter (6), and described operation valve (2) is separately fixed on the base (8) successively.
3. a kind of fuel tank of vehicle oil fuel tube venting capability proving installation according to claim 1 and 2, it is characterized in that: the top of described operation valve (2) is provided with control valve operating lever (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310300062.XA CN103344427B (en) | 2013-07-17 | 2013-07-17 | Automobile fuel tank fuel filler pipe ventilation performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310300062.XA CN103344427B (en) | 2013-07-17 | 2013-07-17 | Automobile fuel tank fuel filler pipe ventilation performance testing device |
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| CN103344427A true CN103344427A (en) | 2013-10-09 |
| CN103344427B CN103344427B (en) | 2017-02-08 |
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| CN201310300062.XA Active CN103344427B (en) | 2013-07-17 | 2013-07-17 | Automobile fuel tank fuel filler pipe ventilation performance testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698119A (en) * | 2013-12-19 | 2014-04-02 | 亚普汽车部件股份有限公司 | Test method of circulation air pipe of air exhaust system of fuel tank |
| CN104132803A (en) * | 2014-06-27 | 2014-11-05 | 武汉亚普汽车塑料件有限公司 | Tool for detecting valve body pressure flow performance of refueling lock cover of automobile fuel tank |
| WO2016119248A1 (en) * | 2015-01-30 | 2016-08-04 | 惠州市吉瑞科技有限公司 | Ventilation performance testing device and method for atomizer of electronic cigarette |
| CN106441933A (en) * | 2016-09-21 | 2017-02-22 | 奇瑞汽车股份有限公司 | Fuel oil system air permeability testing frame and its testing method |
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| CN202869785U (en) * | 2012-07-30 | 2013-04-10 | 杭州世宝汽车方向机有限公司 | Ventilation detection device used for oil duct hole inside circulating ball turning housing |
| CN203365123U (en) * | 2013-07-17 | 2013-12-25 | 武汉亚普汽车塑料件有限公司 | Ventilation performance test device for oil filling pipe of automobile fuel tank |
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2013
- 2013-07-17 CN CN201310300062.XA patent/CN103344427B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5992438A (en) * | 1996-02-20 | 1999-11-30 | Shaw; Jimmie Bryant | Pressure testing assembly and testing method for propane tank systems |
| CN1837769A (en) * | 2006-04-27 | 2006-09-27 | 上海交通大学 | Technique detection device for micro-channel heat exchanger |
| CN201210105Y (en) * | 2008-06-11 | 2009-03-18 | 上海宝钢设备检修有限公司 | Oil sprayer for electronically oil injecting diesel engine and leakage detection device for cylinder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698119A (en) * | 2013-12-19 | 2014-04-02 | 亚普汽车部件股份有限公司 | Test method of circulation air pipe of air exhaust system of fuel tank |
| CN103698119B (en) * | 2013-12-19 | 2015-12-30 | 亚普汽车部件股份有限公司 | Test method of circulation air pipe of air exhaust system of fuel tank |
| CN104132803A (en) * | 2014-06-27 | 2014-11-05 | 武汉亚普汽车塑料件有限公司 | Tool for detecting valve body pressure flow performance of refueling lock cover of automobile fuel tank |
| WO2016119248A1 (en) * | 2015-01-30 | 2016-08-04 | 惠州市吉瑞科技有限公司 | Ventilation performance testing device and method for atomizer of electronic cigarette |
| CN106441933A (en) * | 2016-09-21 | 2017-02-22 | 奇瑞汽车股份有限公司 | Fuel oil system air permeability testing frame and its testing method |
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|---|---|
| CN103344427B (en) | 2017-02-08 |
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Address after: 242 No. 430056 Hubei city of Wuhan province Wuhan City Economic and Technological Development Zone Avenue Applicant after: DONGFENG YAPP AUTOMOTIVE PARTS CO., LTD. Address before: 242 No. 430056 Hubei city of Wuhan province Wuhan City Economic and Technological Development Zone Avenue Applicant before: Wuhan Yapp Automotive Plastic Parts Co., Ltd. |
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| GR01 | Patent grant |