CN204432378U - A kind of ventilation structure for fuel tank - Google Patents
A kind of ventilation structure for fuel tank Download PDFInfo
- Publication number
- CN204432378U CN204432378U CN201520087947.0U CN201520087947U CN204432378U CN 204432378 U CN204432378 U CN 204432378U CN 201520087947 U CN201520087947 U CN 201520087947U CN 204432378 U CN204432378 U CN 204432378U
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- CN
- China
- Prior art keywords
- fuel tank
- filter chamber
- breather pipe
- mounting bracket
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model belongs to technical field of automobile components, provides a kind of ventilation structure for fuel tank, and comprise the breather pipe that one end is communicated with fuel tank, described breather pipe is positioned at the top of described fuel tank; Also comprise the mounting bracket installing described fuel tank, described mounting bracket is provided with filter chamber, described filter chamber is placed in the outside of described fuel tank, described breather pipe stretches into the inside of described filter chamber away from the inlet end of described fuel tank, and described filter chamber is communicated in described fuel tank by described breather pipe.The purpose of this utility model is to provide a kind of fuel oil ventilation device, by setting up filter chamber, the air of fuel tank outside is made to enter fuel tank after the filtration of filter chamber, reduce the pollutantss such as dust, ensure the cleanliness level entering fuel tank air, thus avoid the pollution of fuel oil, improve the combustion efficiency of fuel oil, ensure the normal work of vehicle.
Description
Technical field
The utility model belongs to technical field of automobile components, is specifically related to a kind of ventilation structure for fuel tank.
Background technology
So ventilation structure for fuel tank fuel tank and air intercommunication, fuel tank internal gas pressure in principal security oil supply system for vehicle is consistent with barometric pressure, prevent the consumption due to fuel oil, the thin air pressure that causes that air in fuel tank becomes is lower, driving engine cannot, normally from fuel tank draw fuel, cause driving engine not work.
The ventilation structure for fuel tank that current fuel-feed system uses, through hole is offered in fuel tank head, then one section of steel pipe is welded, form fuel tank vent, air extractor vent connects breather pipe by interference fit, is generally a rubber tube, and the other end mouth of pipe of breather pipe is towards bottom surface, be exposed in air, and fixed by the clip being welded in fuel tank outside.
Existing ventilation structure for fuel tank, because breather pipe and air extractor vent are the pipeline with air communication, without any filtration, the effect intercepting dust, when vehicle is travelled, especially the applying working condition of truck is very poor, and the pollutantss such as dust are a lot, the pollutantss such as dust enter fuel tank inside easily via fuel oil vent line, pollute fuel oil, reduce the combustion efficiency of fuel oil, affect the normal work of vehicle.
Utility model content
The purpose of this utility model is to provide a kind of ventilation structure for fuel tank, by setting up filter chamber, the air of fuel tank outside is made to enter fuel tank after the filtration of filter chamber, reduce the pollutantss such as dust, ensure the cleanliness level entering fuel tank air, thus avoid the pollution of fuel oil, improve the combustion efficiency of fuel oil, ensure the normal work of vehicle.
To achieve these goals, the utility model provides following technical scheme:
A kind of ventilation structure for fuel tank, comprise the breather pipe that one end is communicated with fuel tank, described breather pipe is positioned at the top of fuel tank; Also comprise the mounting bracket installing described fuel tank, described mounting bracket is provided with filter chamber, described filter chamber is placed in the outside of described fuel tank, described breather pipe stretches into the inside of described filter chamber away from the inlet end of described fuel tank, and described filter chamber is communicated in described fuel tank by described breather pipe.
Preferably, described mounting bracket is connected with closed supports, and described filter chamber is formed by described closed supports and described mounting bracket.
Preferably, described mounting bracket is provided with the through air by-pass passage in two ends along its length, described closed supports is connected to described air by-pass passage, and is a few word structures along the cross-sectional plane of described air by-pass passage, and the filter bores of described filter chamber is formed between described closed supports and described mounting bracket.
Preferably, described closed supports is provided with breach, and described filter bores is formed at described breach.
Preferably, distance is left respectively in the two ends of described filter chamber and described air by-pass passage.
Preferably, also comprise permeability cell, one end of described permeability cell is communicated with described inlet end, and the other end is communicated with described filter chamber, and described breather pipe is communicated in described filter chamber by described permeability cell.
Preferably, described permeability cell is provided with disconnecting prevention structure, and described permeability cell is installed on described filter chamber by described disconnecting prevention structure.
Preferably, described filter chamber is provided with conical bore, and the miner diameter end of described conical bore is positioned at the inside of described filter chamber, and described disconnecting prevention structure is connected in the miner diameter end of described conical bore.
Preferably, described fuel tank is externally connected to U-shaped draw-in groove, and described breather pipe is connected in described U-shaped draw-in groove.
The beneficial effects of the utility model are:
The utility model arranges filter chamber, breather pipe is flowed into after the air of fuel tank outside is filtered by filter chamber, finally enter into fuel tank, by the filtration of filter chamber, reduce the pollutantss such as dust and enter fuel tank, make the air entering fuel tank cleaner, avoid the pollution of fuel oil, improve the combustion efficiency of fuel oil, thus ensure the normal work of vehicle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of detailed description of the invention of ventilation structure for fuel tank provided by the utility model;
Fig. 2 is the scheme of installation of a kind of detailed description of the invention mounting bracket of ventilation structure for fuel tank provided by the utility model and permeability cell;
Fig. 3 is the structural representation of a kind of detailed description of the invention closed supports of ventilation structure for fuel tank provided by the utility model.
Reference numeral:
In Fig. 1-Fig. 3:
1, mounting bracket, 2, fuel tank, 3, filter chamber, 4, closed supports, 5, permeability cell, 6, breather pipe, 7, air extractor vent, 8, breach.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1-Fig. 3, in a kind of detailed description of the invention, ventilation structure for fuel tank provided by the utility model, comprise the breather pipe 6 that one end is communicated with fuel tank 2, breather pipe 6 is positioned at the top of fuel tank 2; Also comprise and install the mounting bracket 1 of fuel tank 2, mounting bracket 1 is provided with filter chamber 3, and filter chamber 3 is placed in the outside of fuel tank 2, and breather pipe 6 stretches into the inside of filter chamber 3 away from the inlet end of fuel tank 2, and filter chamber 3 is communicated in fuel tank 2 by breather pipe 6.The air of fuel tank 2 outside enters breather pipe 6 by filter chamber 3.
Above-described embodiment arranges filter chamber 3, the air of fuel tank 2 outside filters rear inflow breather pipe 6 by filter chamber 3, finally enter into fuel tank 2, by the filtration of filter chamber 3, stop that fuel tank 2 external dust enters breather pipe 6, reduce the pollutantss such as dust and enter fuel tank 2, make the air entering fuel tank 2 cleaner, avoid the pollution of fuel oil, improve the combustion efficiency of fuel oil, thus ensure the normal work of vehicle.
Particularly, mounting bracket 1 is connected to vehicle frame, and fuel tank 2 is installed on mounting bracket 1, and its mounting means can be that bind, welding or screw connect, and preferred bind is easy for installation.Through hole is offered at the top of usual fuel tank 2, then welds one section of steel pipe, and form the air extractor vent 7 of fuel tank, breather pipe 6 is plugged in air extractor vent 7, is communicated with fuel tank 2 inside.Breather pipe 6 is generally India rubber tube, optimizing breathing pipe 6 and air extractor vent 7 interference fit, and namely the internal diameter of breather pipe 6 is less than the external diameter of air extractor vent 7, utilizes the elasticity of rubber that breather pipe 6 is set in air extractor vent 7, forms interference fit.
Mounting bracket 1 is set to L-type structure, to facilitate the support of fuel tank 2, makes it connect more reliable.Fuel tank 2 is placed in the horizontal plate of L-type structure, and by the diaphragm plate bind of bandage and L-type structure.
Filter chamber 3 also can be placed in the optional position of fuel tank 2 outside, is preferably placed in mounting bracket 1, makes the trend of breather pipe 6 more smooth and easy, avoid the interference with other parts, and pipeline is the shortest, saves cost.
Mounting bracket 1 is connected with closed supports 4, and filter chamber 3 is formed by closed supports 4 and mounting bracket 1.Close by closed supports 4 and mounting bracket 1 filter chamber 3 formed, structure is simple, is convenient to processing and assembling.Filter chamber 3 also can be formed by other housing structure.
Closed supports 4 and the connection mode of mounting bracket 1 can be weld, to rivet or screw is connected, preferred weld, easy to process.
Mounting bracket 1 is provided with the through air by-pass passage in two ends along its length, and closed supports 4 is connected to air by-pass passage, and is a few word structures along the cross-sectional plane of air by-pass passage, and the filter bores of filter chamber 3 is formed between closed supports 4 and mounting bracket 1.The filter bores convenient formation of this kind of mode, and the connection being convenient to closed supports 4 and mounting bracket 1.
Two flange of a few word structure are connected with mounting bracket 1, convenient for assembly, make closed supports 4 more convenient with the connection of mounting bracket 1.
Particularly, mounting bracket 1 comprises base plate and air by-pass passage plate, and air by-pass passage plate is also in a few word structure, and two flange of a few word structure are connected to base plate, and the notch of a few word structure forms air by-pass passage; Air by-pass passage plate also can U-shaped structure, and U-shaped structural openings is connected to base plate, and U-type groove is air by-pass passage; The utility model is not limited to above-described embodiment, and air by-pass passage also can be formed for other structure.Preferred air by-pass passage plate is a few word structures, to facilitate connection, and ensures the reliability of connection.
The width of closed supports 4 is equal with the width of air by-pass passage, and closed supports 4 is connected in air by-pass passage, enters filter chamber 3 to intercept dust further, prevent dust from entering fuel tank 2, make closed supports 4 more reliable with the connection of mounting bracket 1, and can material be saved, reduce costs.The opening of closed supports more than 4 word structure is towards base plate, and filter chamber 3 is formed by base plate, air by-pass passage plate and closed supports 4.
A few word structures of closed supports 4 comprise U-shaped structure and are connected to two flange of U-shaped structure, as shown in Figure 3; The structure of closed supports 4 can be also other shape, such as, only comprise U-shaped structure, or other housing structure, and opening, towards base plate or air by-pass passage plate, is similar to closed filter chamber to be formed.
Mounting bracket 1 and the connection mode of closed supports 4 can be weld, to rivet or screw is connected, preferred weld, by two flanging weldeds of a few word structure in mounting bracket 1, the gap that the sidewall of a few word structure and the madial wall of mounting bracket are formed is filter bores.
Filter bores also can be positioned at other position, such as, be directly arranged at closed supports 4 or mounting bracket 1, also on closed supports 4 and mounting bracket 1, all can arrange filter bores, and filter bores can be circular hole, square hole or other connecting sewing.
Preferred closed supports 4 is provided with breach 8, and as shown in Figure 3, filter bores is formed at breach 8.This structure can ensure there is sufficient air in filter chamber 3, and simply shaping, easy to process.Namely offer breach 8 in a few word structure near the bending place of flange, breach 8 can certainly be offered in other position of a few word structure.
Filter bores also can offer through hole in the optional position of the U-shaped structure of closed supports 4, or notch; The gap that the madial wall of the sidewall and mounting bracket 1 that may also be only closed supports 4 is formed.
Filter chamber 3 leaves distance respectively with the two ends of air by-pass passage.This structure makes the air of fuel tank 2 outside be introduced into air by-pass passage, then can enter filter chamber 3, thus filters the air entering fuel tank 2 further, avoids fuel oil to be subject to the pollution of dust.Filter chamber 3 also can be positioned at any one end of air by-pass passage.
Ventilation structure for fuel tank also comprises permeability cell 5, and one end of permeability cell 5 is communicated with inlet end, and the other end is communicated with filter chamber 3, and breather pipe 6 is communicated in filter chamber by permeability cell 5.Permeability cell 5 is installed on filter chamber 3 by this structure, is communicated with filter chamber 3, and breather pipe 6 is connected to permeability cell 5, easy for installation to make.Particularly, filter chamber 3 is inserted in one end of permeability cell 5, stretches out one end plug-in mounting breather pipe 6 of filter chamber 3, and breather pipe 6 is by clip or interference fit, and is fixed on permeability cell 5.
Filter chamber 3 and the connection mode of permeability cell 5 can be weld, clamping or screw be connected, preferred snap fit, structure is simple, and easy for installation.
Permeability cell 5 is provided with disconnecting prevention structure, and permeability cell 5 is installed on filter chamber 3 by disconnecting prevention structure.This structure makes permeability cell 5 more reliable with the connection of filter chamber 3.Disconnecting prevention structure can be tapered protrusion or the shaft shoulder, and pyramidal projections or the shaft shoulder are connected in filter chamber 3.
Filter chamber 3 is provided with conical bore, and the miner diameter end of conical bore is positioned at the inside of filter chamber 3, and disconnecting prevention structure is connected in the miner diameter end of conical bore.This shaping structures is simple, arranges by conical bore the connection realizing permeability cell 5 and filter chamber 3, and restriction disconnecting prevention structure departs from filter chamber 3, to ensure the reliability that permeability cell 5 is connected with filter chamber further.Namely filter chamber 3 is provided with conical bore, and permeability cell 5 is cylindrical tube, and disconnecting prevention structure can be set to the shaft shoulder that diameter is greater than conical bore path, and cylindrical tube inserts conical bore, and makes the shaft shoulder be connected in the miner diameter end of conical bore.
The utility model is not limited to above-described embodiment, filter chamber 3 also can arrange cylindrical hole, and permeability cell 5 is provided with conical structure, and it diametrically reduces near the direction of filter chamber 3 inside, conical structure is plugged in cylindrical hole, to realize the clamping of filter chamber 3 and permeability cell 5; Also can arrange cylindrical hole by filter chamber 3, permeability cell 5 arranges the optical axis suitable with it, and optical axis coordinates with cylindrical hole is really up to the mark, to realize the clamping of filter chamber 3 and permeability cell 5; Or also can arrange claw with the one in both permeability cells 5 by filter chamber 3, another one arranges buckle, and claw is connected in buckle, realizes the clamping of filter chamber 3 and permeability cell 5.
Fuel tank 2 is externally connected to U-shaped draw-in groove, and breather pipe 6 is connected in U-shaped draw-in groove.This structure prevents the swing of breather pipe 6 from wearing and tearing.U-shaped draw-in groove can be located near the air extractor vent 7 of fuel tank 2, to improve the reliability that breather pipe 6 is connected with fuel tank 2, prevents breather pipe 6 from arbitrarily swinging simultaneously, causes the interference with circumferential component.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (9)
1. a ventilation structure for fuel tank, comprise the breather pipe that one end is communicated with fuel tank, described breather pipe is positioned at the top of fuel tank; It is characterized in that, also comprise the mounting bracket installing described fuel tank, described mounting bracket is provided with filter chamber, described filter chamber is placed in the outside of described fuel tank, described breather pipe stretches into the inside of described filter chamber away from the inlet end of described fuel tank, and described filter chamber is communicated in described fuel tank by described breather pipe.
2. ventilation structure for fuel tank according to claim 1, is characterized in that, described mounting bracket is connected with closed supports, and described filter chamber is formed by described closed supports and described mounting bracket.
3. ventilation structure for fuel tank according to claim 2, it is characterized in that, described mounting bracket is provided with the through air by-pass passage in two ends along its length, described closed supports is connected to described air by-pass passage, and be several word structures along the cross-sectional plane of described air by-pass passage, the filter bores of described filter chamber is formed between described closed supports and described mounting bracket.
4. ventilation structure for fuel tank according to claim 3, is characterized in that, described closed supports is provided with breach, and described filter bores is formed at described breach.
5. ventilation structure for fuel tank according to claim 3, is characterized in that, distance is left respectively in the two ends of described filter chamber and described air by-pass passage.
6. the ventilation structure for fuel tank according to any one of claim 1-5, it is characterized in that, also comprise permeability cell, one end of described permeability cell is communicated with described inlet end, the other end is communicated with described filter chamber, and described breather pipe is communicated in described filter chamber by described permeability cell.
7. ventilation structure for fuel tank according to claim 6, is characterized in that, described permeability cell is provided with disconnecting prevention structure, and described permeability cell is installed on described filter chamber by described disconnecting prevention structure.
8. ventilation structure for fuel tank according to claim 7, is characterized in that, described filter chamber is provided with conical bore, and the miner diameter end of described conical bore is positioned at the inside of described filter chamber, and described disconnecting prevention structure is connected in the miner diameter end of described conical bore.
9. the ventilation structure for fuel tank according to any one of claim 1-5, is characterized in that, described fuel tank is externally connected to U-shaped draw-in groove, and described breather pipe is connected in described U-shaped draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087947.0U CN204432378U (en) | 2015-02-06 | 2015-02-06 | A kind of ventilation structure for fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520087947.0U CN204432378U (en) | 2015-02-06 | 2015-02-06 | A kind of ventilation structure for fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204432378U true CN204432378U (en) | 2015-07-01 |
Family
ID=53600287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520087947.0U Withdrawn - After Issue CN204432378U (en) | 2015-02-06 | 2015-02-06 | A kind of ventilation structure for fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204432378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590008A (en) * | 2015-02-06 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Fuel tank ventilation structure |
-
2015
- 2015-02-06 CN CN201520087947.0U patent/CN204432378U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590008A (en) * | 2015-02-06 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Fuel tank ventilation structure |
| CN104590008B (en) * | 2015-02-06 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Fuel tank ventilation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20170510 |