CN104385906A - Mounting structure for filtering and protecting vent pipe of carbon tank - Google Patents
Mounting structure for filtering and protecting vent pipe of carbon tank Download PDFInfo
- Publication number
- CN104385906A CN104385906A CN201410618835.3A CN201410618835A CN104385906A CN 104385906 A CN104385906 A CN 104385906A CN 201410618835 A CN201410618835 A CN 201410618835A CN 104385906 A CN104385906 A CN 104385906A
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- pipe
- filter protection
- vent pipe
- mounting structure
- housing
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a mounting structure for filtering and protecting a vent pipe of a carbon tank. A filtering and protecting device is arranged at the opening part of the vent pipe, and the filtering and protecting device is mounted on an oil filling pipe and near an oil filling opening cover. The filtering and protecting device consists of a casing body and a spongy cushion positioned in the casing body, wherein vent holes are formed in the upper end surface of the casing body, a connector of the vent pipe is arranged on the lower end surface of the casing body, and the connector of the vent pipe is connected with the vent pipe of the carbon tank. For the structure disclosed by the invention, the filtering and protecting device and the set position thereof are additionally arranged, the situation that muddy water and dust enter the vent pipe of the carbon tank is avoided well, so that the operational reliability and the operational durability of the carbon tank can also be protected. For the invention, the structure is simple, the structure and the arrangement of an existing vehicle are not changed, and the structure is easy to realize.
Description
Technical field
The present invention relates to automobile correlation technique, specifically relate to a kind of automobile canister breather pipe filter protection mounting structure, belong to automobile technical field.
Background technology
Fuel oil in automotive oil tank temperature reach certain in can produce oil vapour, make on the one hand to produce higher pressure in fuel tank, there is potential safety hazard, overflow also can foul air for oil vapour simultaneously.Given this, current automobile has additional usually the canister be connected with fuel tank, canister, built with absorption carbon, for adsorbed oil steam, is avoided directly overflowing entering air, is also played the effect of fuel tank pressure release simultaneously.In order to recycle the oil vapour of canister absorption, also avoid canister to adsorb saturated rear inefficacy, breather pipe canister being provided with the oil return pipe be connected with driving engine simultaneously and communicating with air simultaneously.When engine operation, the valve open on oil return pipe, the oil vapour that canister is adsorbed by oil return pipe by driving engine generation negative pressure sucks engine chamber together with air (being entered by breather pipe).Time driving engine does not have in harness, valve and oil return pipe are closed, and now canister can continue adsorbed oil steam, if reached capacity, unnecessary oil vapour also can enter air.Because canister is usually located at below automobile tail spare tyre, therefore breather pipe position is lower, and prior art breather pipe directly communicates with air, so just have the following disadvantages: 1, when engine operation sucks air, muddy water in environment and dust also easily can enter breather pipe, and be attached in canister, affect functional reliability and the service life of canister.2, time driving engine does not have in harness, if the vapo(u)rous of canister adsorbed oil, oil vapour also can enter air, foul air.
Summary of the invention
For prior art above shortcomings, the object of the present invention is to provide and a kind ofly there is dust-proof, waterproofing protection and avoid oil vapour directly to enter the canister vent pipe filter protection mounting structure of air.
To achieve these goals, the technical solution used in the present invention is such:
Canister vent pipe filter protection mounting structure, filter protection device is provided with at breather pipe oral area, this filter protection device is made up of housing and the foam-rubber cushion being positioned at housing, air extractor vent is provided with in housing upper surface, be provided with breather pipe connector in housing lower surface, breather pipe connector is connected with canister vent pipe.When suction air, the foam-rubber cushion in this structure can effectively filter dust and muddy water, and filter protection device plays a role in filtering to the air entering canister.Under flameout state, if canister absorption is saturated, also can be adsorbed by foam-rubber cushion by breather pipe oil vapour out, therefore greatly can reduce the oil vapour amount entering air.
Further, described filter protection device is arranged on fuel filler pipe and close filler cap position.Because this position is often higher, and be wrapped in bodywork component, so muddy water is difficult to arrive, and dust also easily rests on peripheral parts after arriving, and is difficult to enter in housing, even if enter, also can be adsorbed by foam-rubber cushion.
Described housing is fastened by upper shell and lower house two parts and forms, and air extractor vent is located on upper shell, and breather pipe connector is located on lower house.This structure is both convenient installs, and is also convenient for changing foam-rubber cushion.
The housing cross-sectional of described filter protection device is in fan ring structure, and the arcwall face of fan ring structure indent is fitted on fuel filler pipe.
Described filter protection device is embraced part by the circle of fitting with fuel filler pipe and is fixedly mounted on fuel filler pipe, and circular part of embracing is embraced part by left and right two semicircular arc and surrounded and formed, and wherein a semicircular arc is embraced part and to be arranged on upper shell and one-body molded with upper shell.
Compared to existing technology, the present invention has following beneficial effect:
1, this structure is by setting up filter protection device and setting position thereof, well avoids muddy water and dust enters canister vent pipe, also just protects reliability and the durability of canister work.
2, because filter protection device to be arranged on fuel filler pipe (near filler cap place), so ensure that it is in vehicle very high position and be wrapped in bodywork component, ensure that own reliability work; And also ensure that its discharge vaporization gas can not escape in railway carriage, avoid polluting air and initiation potential safety hazard in car.
3, structure of the present invention simply, does not change existing vehicle structure and layout, easily realizes.
Accompanying drawing explanation
Fig. 1-structural representation of the present invention.
The other angle schematic diagram of Fig. 2-Fig. 1.
Fig. 3-filter protection structure drawing of device of the present invention.
Fig. 4-Fig. 3 A-A cutaway view.
Fig. 5-Fig. 3 birds-eye view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1 and Fig. 2, upper as can be seen from figure, canister vent pipe filter protection mounting structure of the present invention, is provided with filter protection device 2 at breather pipe 1 oral area.This filter protection device 2 is made up of housing 3 and the foam-rubber cushion 4 being positioned at housing, and be provided with air extractor vent 5 in housing upper surface, be provided with breather pipe connector 6 in housing lower surface, breather pipe connector 6 is connected with canister vent pipe 1, sees Fig. 3-Fig. 5 simultaneously.When suction air, the foam-rubber cushion in this structure can effectively filter dust and muddy water, and filter protection device plays a role in filtering to the air entering canister.Under flameout state, if canister absorption is saturated, also can be adsorbed by foam-rubber cushion by breather pipe oil vapour out, therefore greatly can reduce the oil vapour amount entering air.
Further, described filter protection device 2 is arranged on fuel filler pipe 7 and close filler cap 8 position, sees Fig. 1 and Fig. 2.Because this position is often higher, and be wrapped in bodywork component, so muddy water is difficult to arrive, and dust also easily rests on peripheral parts after arriving, and is difficult to enter in housing, even if enter, also can be adsorbed by foam-rubber cushion.
See Fig. 4, described housing 3 fastens for Plastic Parts and by upper shell 9 and lower house 10 two parts and forms, and upper shell 9 covers on outside lower house 10, and air extractor vent 5 has two places, left and right to be all located at upper shell 9 upper surface, and breather pipe connector 6 is located on lower house 10.This structure is the expediently installation of lower house and fractionation both, is also convenient for changing foam-rubber cushion.Around the lower end outer wall of breather pipe connector, there is raised structures, so more can guarantee and the reliability that canister vent pipe is connected, difficult drop-off.
See Fig. 5, the housing cross-sectional of described filter protection device is in fan ring structure, and inner sea pad is also corresponding shape, and the arcwall face of fan ring structure indent is fitted on fuel filler pipe, and this spline structure seems compact, is more convenient for installing.
Be easily mounted on fuel filler pipe to make filter protection device, the present invention is provided with the circle of fitting with fuel filler pipe 7 and embraces part on filter protection device 2, circular part of embracing is embraced part 11 by left and right two semicircular arc and is surrounded and form to be embraced by fuel filler pipe, wherein a semicircular arc is embraced part 11 and to be arranged on upper shell 9 and one-body molded with upper shell 9, and second half circular arc is embraced part and surrounded with it fixing when mounted.
Compared to existing technology, the present invention does not change this body structure of canister and the annexation with fuel tank driving engine, just have additional filter protection device at canister vent spout part and be arranged on specific position, in order to be installed to this ad-hoc location, breather pipe length needs to increase.Even if filter protection device is not set up in this position, breather pipe oral area is also not easy to enter muddy water and dust, therefore under both combineds action, guarantees that muddy water and dust can not enter canister vent pipe.
This structure installment illustrates:
1, first filter protection device three part (upper-lower casing and foam-rubber cushion, upper shell comprises embraces part, and lower house comprises breather pipe connector) is assembled intact;
2, again filter protection device is assembled to (near filler cap place) on fuel filler pipe;
3, the fuel filler pipe general assembly the 2nd step completed on vehicle body, and makes breather pipe connector and canister vent pipe be connected firmly.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (5)
1. canister vent pipe filter protection mounting structure, it is characterized in that: be provided with filter protection device at breather pipe oral area, this filter protection device is made up of housing and the foam-rubber cushion being positioned at housing, air extractor vent is provided with in housing upper surface, be provided with breather pipe connector in housing lower surface, breather pipe connector is connected with canister vent pipe.
2. canister vent pipe filter protection mounting structure according to claim 1, is characterized in that: described filter protection device is arranged on fuel filler pipe and close filler cap position.
3. canister vent pipe filter protection mounting structure according to claim 1 and 2, is characterized in that: described housing is fastened by upper shell and lower house two parts and forms, and air extractor vent is located on upper shell, and breather pipe connector is located on lower house.
4. canister vent pipe filter protection mounting structure according to claim 3, is characterized in that: the housing cross-sectional of described filter protection device is in fan ring structure, and the arcwall face of fan ring structure indent is fitted on fuel filler pipe.
5. canister vent pipe filter protection mounting structure according to claim 4, it is characterized in that: described filter protection device is embraced part by the circle of fitting with fuel filler pipe and is fixedly mounted on fuel filler pipe, circular part of embracing is embraced part by left and right two semicircular arc and is surrounded and formed, and wherein a semicircular arc is embraced part and to be arranged on upper shell and one-body molded with upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618835.3A CN104385906A (en) | 2014-11-06 | 2014-11-06 | Mounting structure for filtering and protecting vent pipe of carbon tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618835.3A CN104385906A (en) | 2014-11-06 | 2014-11-06 | Mounting structure for filtering and protecting vent pipe of carbon tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104385906A true CN104385906A (en) | 2015-03-04 |
Family
ID=52603899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410618835.3A Pending CN104385906A (en) | 2014-11-06 | 2014-11-06 | Mounting structure for filtering and protecting vent pipe of carbon tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104385906A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323253A (en) * | 2016-04-29 | 2017-11-07 | 长城汽车股份有限公司 | Vehicle |
| CN111946495A (en) * | 2020-07-28 | 2020-11-17 | 东风亚普汽车部件有限公司 | Water-gas separation device connected with carbon tank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787643A (en) * | 1986-12-26 | 1988-11-29 | Nissan Motor Co. Ltd. | Arrangement of canister-used emission control system in motor vehicle |
| US5544638A (en) * | 1994-04-22 | 1996-08-13 | Toyota Jidosha Kabushiki Kaisha | Apparatus for disposing of fuel vapor |
| CN202468070U (en) * | 2012-03-01 | 2012-10-03 | 安徽江淮汽车股份有限公司 | Carbon tank assembly used for passenger car fuel system and provided with air filter |
| CN102828862A (en) * | 2012-09-29 | 2012-12-19 | 天津博信汽车零部件有限公司 | Carbon canister filter |
| CN203547996U (en) * | 2013-11-12 | 2014-04-16 | 上海通用汽车有限公司 | Car carbon canister ventilating device |
| CN204236231U (en) * | 2014-11-06 | 2015-04-01 | 力帆实业(集团)股份有限公司 | With the canister vent pipe mounting structure of filter protection device |
-
2014
- 2014-11-06 CN CN201410618835.3A patent/CN104385906A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787643A (en) * | 1986-12-26 | 1988-11-29 | Nissan Motor Co. Ltd. | Arrangement of canister-used emission control system in motor vehicle |
| US5544638A (en) * | 1994-04-22 | 1996-08-13 | Toyota Jidosha Kabushiki Kaisha | Apparatus for disposing of fuel vapor |
| CN202468070U (en) * | 2012-03-01 | 2012-10-03 | 安徽江淮汽车股份有限公司 | Carbon tank assembly used for passenger car fuel system and provided with air filter |
| CN102828862A (en) * | 2012-09-29 | 2012-12-19 | 天津博信汽车零部件有限公司 | Carbon canister filter |
| CN203547996U (en) * | 2013-11-12 | 2014-04-16 | 上海通用汽车有限公司 | Car carbon canister ventilating device |
| CN204236231U (en) * | 2014-11-06 | 2015-04-01 | 力帆实业(集团)股份有限公司 | With the canister vent pipe mounting structure of filter protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323253A (en) * | 2016-04-29 | 2017-11-07 | 长城汽车股份有限公司 | Vehicle |
| CN107323253B (en) * | 2016-04-29 | 2020-07-28 | 长城汽车股份有限公司 | Vehicle with a steering wheel |
| CN111946495A (en) * | 2020-07-28 | 2020-11-17 | 东风亚普汽车部件有限公司 | Water-gas separation device connected with carbon tank |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |