CN103344427B - 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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- CN103344427B CN103344427B CN201310300062.XA CN201310300062A CN103344427B CN 103344427 B CN103344427 B CN 103344427B CN 201310300062 A CN201310300062 A CN 201310300062A CN 103344427 B CN103344427 B CN 103344427B
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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 automobile component device for testing functions, in particular to a kind of fuel tank of vehicle oil fuel tube
Venting capability test device.
Background technology
With the development of auto industry, user steps up to the quality of auto parts and components and performance requirement
, therefore manufacture more reasonable, safer high-quality auto parts and components, always art technology
Personnel endeavour one of key content of research.And oil fuel tube is the important of vehicle fuel feed system
One of part, it is the unique channel that fuel oil enters fuel tank of vehicle, and oil fuel tube generally has
Metal oil fuel tube and two kinds of plastics oil fuel tube, conventional fuel pipe is added into by metal mostly, but golden
Belong to and easily being corroded, and the coefficient of heat conduction is high, there is weight greatly, shaping is difficult, high cost
The problems such as, at present, metal oil fuel tube is gradually replaced by plastics oil fuel tube.
Oil fuel tube is generally made up of filling passage and exhaust passage two parts, one end of filling passage and combustion
Oil filling orifice of fuel tank connects, and the other end is arranged on vehicle body upper oral part locking closure and pins, and during oiling, beats
Unlock and cover, nozzle is inserted in oil fuel tube, fuel oil is entered in fuel tank by filling passage
, normal condition, after three jump rifles of nozzle, fuel tank fills it up with oil, while refueling, fuel oil
Gas in case is discharged from exhaust passage, to keep the air pressure within fuel tank and outside air
Pressure is in a basic balance, and such fuel oil could smoothly be added in fuel tank.However, the life in oil fuel tube
Produce in molding process, often because some problems cause exhaust passage blocking or Partial Blocking
, such as：Plastics oil fuel tube is using blow molding process shaping, in forming process, if mouth
Mould improper use or mould installion are bad, or it is inharmonious with the relative position of mould to blow bar, all can
The phenomenon of material folding occurs, causes exhaust passage blocking or Partial Blocking, if exhaust passage blocking
Or Partial Blocking, the gas within fuel tank then do not arrange not go out, being gradually added into fuel oil,
Gas within fuel tank is constantly compressed, and air pressure constantly increases, and reaches necessarily when air pressure increases
During degree, although the fuel oil in fuel tank is not filled up with, fuel oil can add, and occurs in advance
Jump rifle, and fuel injection event occurs so that the oil fuel tube cisco unity malfunction of fuel tank simultaneously, enter
And lead to potential safety hazard.
Content of the invention
The present invention provides a kind of fuel tank of vehicle oil fuel tube venting capability test device for the problems referred to above
, this device can easily and accurately detect the venting capability of oil fuel tube, it is to avoid automobile is refueling
During the phenomenon of early jump rifle and oil spout occurs, to ensure that oil fuel tube can well run.
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 test device, including source of the gas connecting tube, described source of the gas connecting tube is provided with control valve
, and the output end of described source of the gas connecting tube is provided with threeway, the gas outlet of described source of the gas connecting tube with
The air inlet of described threeway connects, and the first gas outlet of described threeway is connected with manometer, institute
The second gas outlet stating threeway is connected with detection mouth.
The present invention, by being connected to the joint of exhaust passage in oil fuel tube in detection mouth, then passes through gas
Source connecting tube connects source of the gas, and the entrance by control valve control gas, thus controlling test
Beginning and end, the gas from source of the gas is entered in exhaust passage by detection mouth, if exhaust
Channel blockage or Partial Blocking, in it pressure can continually entering and be stepped up with gas, this
When the manometer being connected on threeway gas outlet that communicates with detection mouth will show larger pressure
Value；Whereas if exhaust passage is normal, unblocked in it, the then pressure on threeway gas outlet
Power meter reading will be zero or minimum, thus detecting the venting capability of oil fuel tube exactly,
Avoid automobile and the phenomenon of early jump rifle and oil spout occurs in refueling process it is ensured that oil fuel tube
Can well run；The present invention utilizes the connecting pipes such as flexible pipe, hard tube and three-way pipe dexterously will
Compressed air source unit, pressure instrumentation, and the exhaust passage connection of fuel tank oil fuel tube to be detected
, reach the whether unimpeded purpose in quick, the convenient exhaust passage judging oil fuel tube；The present invention
Structure is simple, and it is safely and convenient to operate, and reliable test result is accurate.
Further, described source of the gas connecting tube is connected with pressure gauge, described the second of described threeway gives vent to anger
It is connected with flexible pipe, described detection mouth, described pressure gauge, and described control between mouth and described detection mouth
Valve processed is separately fixed on base successively.The pressure gauge of source of the gas connecting tube is used for adjusting air inlet
Pressure, to guarantee that admission pressure is constant and steady air current；By detection mouth, described pressure gauge, and
Institute's control valve is fixed on base and is conducive to improving integrally-built stability, and then makes test
Result is more reliable.
Further, the top of described control valve is provided with control valve operating lever.Operated by control valve
The entrance of bar operational control gas and stopping.
Brief description
Fig. 1 is the perspective view of the present invention.
Fig. 2 is the front view of Fig. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, is easy to more clearly understand this
Bright, but they do not constitute restriction to the present invention.
As Fig. 1, shown in Fig. 2, a kind of fuel tank of vehicle oil fuel tube venting capability test device, including gas
Source connecting tube 1, the input of source of the gas connecting tube 1 is connected with compressed air source unit, source of the gas connecting tube 1 defeated
Enter to hold the pressure gauge 6 being also connected with for stablizing charge air flow, the output end of described source of the gas connecting tube 1
It is provided with threeway 3, the source of the gas connecting tube 1 between described pressure gauge 6 and threeway 3 is provided with control air-flow
The control valve 2 entering or stopping, the top of control valve 2 is provided with control valve operating lever 9, described source of the gas
The gas outlet of connecting tube 1 is connected with the air inlet of described threeway 3, the first gas outlet of described threeway 3
On be connected with manometer 4, between the second gas outlet of described threeway 3 and detection mouth 5 bottom pass through rubber
Glue flexible pipe 7 connects, and the top of detection mouth 5 is used for installing the oil fuel tube 10 of plastic fuel tank, wherein
, oil fuel tube 10 includes exhaust passage 101 and filling passage 102, detection mouth 5 and exhaust passage 101
Outlet connect, described detection mouth 5, described pressure gauge 6, and described control valve 2 distinguishes successively
It is fixed on base 8.
The course of work of the present invention is as follows：Detection mouth is accessed in one end of the exhaust passage 101 of oil fuel tube 10
5；Then connect compressed air source unit at source of the gas connecting tube 1, admission pressure adjusted by pressure gauge 6,
Guarantee that admission pressure is stable, air-flow is steady；Then it is pulled upwardly control valve operating lever 9, connect gas
Source, air-flow enters threeway 3, subsequent airflow diversion by control valve 2, is partly into Instrument for Pressure
Table 4, another part passes through rubber hose 7, and mouth 5 enters note after testing
In the exhaust passage 101 of oil pipe 10.If exhaust passage 101 is unobstructed, gas passes through exhaust passage
After the filling passage 102 of 101 entrance oil fuel tubes 10, it is passed through air, at this moment manometer 4 no registration
Display or display registration very little（＜ 0.04MPa）；Whereas if exhaust passage 101 block or
Partial Blocking, gas can not enter in air, exhaust passage 101 internal gas pressure increase, thus with row
The manometer 4 of gas passage 101 connection has larger registration to show（≥0.04MPa）.Press downwards
Control valve operating lever 9, closes source of the gas, terminates test.
Present configuration is simply compact, and whether the exhaust passage that can rapidly and accurately measure oil fuel tube blocks
, thus avoiding oil fuel tube that the situation of early jump rifle or oil spout occurs in actual use.
Claims (1)
1. a kind of fuel tank of vehicle oil fuel tube venting capability test device, including source of the gas connecting tube
(1) and oil fuel tube (10) it is characterised in that：Described source of the gas connecting tube (1) is provided with control
Valve (2) processed, and the output end of described source of the gas connecting tube (1) is provided with threeway (3), described
The gas outlet of source of the gas connecting tube (1) is connected with the air inlet of described threeway (3), described threeway
(3) manometer (4) is connected with the first gas outlet, the second of described threeway (3) goes out
Gas port is connected with detection mouth (5)；It is connected with pressure gauge (6) on described source of the gas connecting tube (1),
It is connected with flexible pipe (7) between described second gas outlet of described threeway (3) and described detection mouth (5),
Described detection mouth (5), described pressure gauge (6), and described control valve (2) are distinguished successively
It is fixed on base (8)；Described oil fuel tube (10) includes exhaust passage (101) and refuels
Passage (102), described detection mouth (5) is connected with the outlet of described exhaust passage (101)
Connect；The top of described control 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103344427A CN103344427A (en) | 2013-10-09 |
| CN103344427B true CN103344427B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101995341A (en) * | 2009-08-19 | 2011-03-30 | 中机生产力促进中心 | Method and instrument for detecting oil gas recovery system of gas station |
| CN102445299A (en) * | 2011-08-30 | 2012-05-09 | 中国石油化工股份有限公司 | Gas station's vapor recovery system's airtight liquid hinders comprehensive testing appearance |
| CN202305148U (en) * | 2011-10-16 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Air-tightness detecting instrument for fuel supply system |
| 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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| CN103344427A (en) | 2013-10-09 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
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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