CN105291820A - Buffer tank and automobile fuel transfer system comprising buffer tank - Google Patents
Buffer tank and automobile fuel transfer system comprising buffer tank Download PDFInfo
- Publication number
- CN105291820A CN105291820A CN201410288901.5A CN201410288901A CN105291820A CN 105291820 A CN105291820 A CN 105291820A CN 201410288901 A CN201410288901 A CN 201410288901A CN 105291820 A CN105291820 A CN 105291820A
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- Prior art keywords
- tank
- expansion tank
- tank body
- cover
- perforation
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a buffer tank and an automobile fuel transfer system comprising the buffer tank. The buffer tank comprises a tank body, a tank cap and two connectors, wherein the tank body comprises a tank body bottom and a tank body side wall; the tank cap comprises a tank cap top and a tank cap side wall; the tank cap is sleeved with the tank body; the outer surface of the tank cap side wall is mutually fit with the inner surface of the tank body side wall and is in sealing connection with the inner surface of the tank body side wall through welding; two opposite outer penetrable holes are formed in the tank body side wall; two opposite inner penetrable holes are formed in the tank cap side wall; the outer penetrable holes correspond to the inner penetrable holes one to one; and the connectors sequentially penetrate through the outer penetrable holes and the inner penetrable holes. The buffer tank has extremely good pressure bearing capacity, noise cancellation capability and inner pressure pulse stability, and can realize the effect of no leakage with the inner pressure below 30Mpa, and after an actual completed automobile is assembled, noise is reduced obviously, or even no noise exists.
Description
Technical field
The present invention relates to a kind of expansion tank and comprise its vehicle fuel delivery system.
Background technology
Expansion tank is used by car manufacturer by means of good noise abatement advantage is more and more in fuel delivery line system, but the intensity of expansion tank self structure and safety annoying Ge great main engine plants always.The buffer tank structure how designing a safety and stability in vehicle fuel (steam) delivery pipeline system is the difficult problem that technical personnel is being considered always.
As shown in Figure 1, expansion tank adopts more widely is the welded structure of flat lid type at present application, and tank body and cover are one side linear contact lay, and this can cause the easy solder skip of weld nugget, come off, thus causes that expansion tank bearing capacity is poor, stability is not enough, noise is larger.
Summary of the invention
Technical matters to be solved by this invention is the defect that flat lid type expansion tank bearing capacity is poor, stability is not enough, noise is larger in order to overcome prior art, provides a kind of expansion tank and comprises its vehicle fuel delivery system.
The present invention solves above-mentioned technical matters by following technical proposals:
A kind of expansion tank, for in vehicle fuel delivery system, described expansion tank comprises a tank body, one cover, two connectors, its feature is, described tank body comprises a tank base, one tank wall, described cover comprises a cover top, one cover sidewall, described cover is linked in described tank body, and the outside face of described cover sidewall and the inside face of described tank wall are affixed merga pass welded seal to be connected, described tank wall is provided with two relative outer perforation, described cover sidewall is provided with two relative interior perforation, described outer perforation is relative one by one with described interior perforation, described connector is located in described outer perforation and described interior perforation successively.
Preferably, the height of described tank wall equals the height of described cover sidewall.
Preferably, described cover top is provided with one with the junction of described cover sidewall and is connected chamfering, and described connection chamfering is connected by welded seal with described tank wall.
Preferably, described outer perforation comprises the extension that the first through hole and be located on described tank wall protrudes from described tank wall, and the internal diameter of described extension is equal with the external diameter of described connector.
Preferably, described interior perforation comprises the peristome that the second through hole and be located on described cover sidewall extends to the bottom of described cover sidewall from described second through hole, and the width of described peristome and the external diameter of described connector match.
Preferably, described connector is slub type.
Preferably, described connector is connected by welded seal with described outer perforation.
Preferably, each described connector is also provided with a seal groove with described outer one end be connected of boring a hole, and a seal ring and described seal groove are tightly connected.
A kind of vehicle fuel delivery system, its feature is, it comprises expansion tank as above.
In the present invention, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: compared with prior art, expansion tank of the present invention has fabulous bearing capacity, the ability that abates the noise and internal pressure pulse stability, can realize the following No leakage of internal pressure 30Mpa, and after the assembling of actual car load, noise obviously reduces and does not even have noise.
Accompanying drawing explanation
Fig. 1 be the expansion tank of prior art partly cut open structural representation.
Fig. 2 be the expansion tank of a preferred embodiment of the present invention partly cut open structural representation.
Fig. 3 is the exploded view of the expansion tank of a preferred embodiment of the present invention.
Fig. 4 is the schematic top plan view of the expansion tank of a preferred embodiment of the present invention.
Detailed description of the invention
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
As shown in Figures 2 to 4, a kind of expansion tank, for in vehicle fuel delivery system, described expansion tank comprises a tank body 1, one cover 2, two connectors 3, tank body 1 comprises a tank base 11, one tank wall 12, cover 2 comprises a cover top 21, one cover sidewall 22, cover 2 is linked in tank body 1, and the outside face of cover sidewall 22 and the inside face of tank wall 12 are affixed merga pass welded seal to be connected, tank wall 12 is provided with two relative outer perforation 13, cover sidewall 22 is provided with two relative interior perforation 23, outer perforation 13 is relative one by one with interior perforation 23, connector 3 is located in outer perforation 13 and interior perforation 23 successively.Connector 3 is slub types.Connector 3 is connected by welded seal with outer perforation 13, forms a large weld-ring 4 after the solder cools so after welding.The height of tank wall 12 equals the height of cover sidewall 22.Cover top 21 and the junction of cover sidewall 22 are provided with one and are connected chamfering 24, connect chamfering 24 and are connected by welded seal with tank wall 12, form a little weld-ring 5 after the solder cools so after welding.
Outer perforation 13 comprises the extension that the first through hole and be located on tank wall 12 protrudes from tank wall 12, and the internal diameter of described extension is equal with the external diameter of connector 3.
Interior perforation 23 comprises the peristome that the second through hole and be located on cover sidewall 22 extends to the bottom of cover sidewall 22 from described second through hole, and the width of described peristome and the external diameter of connector 3 match.
One end that each connector 3 is connected with outer perforation 13 is also provided with a seal groove, and a seal ring 6 is tightly connected with described seal groove.
The material of the tank body 1 of described expansion tank, cover 2, connector 3 is corrosion-resistant steel, and the material of seal ring 6 is rubber.Above-mentioned material all has good corrosion stability, is suitable for using under the operating mode of long-term fuel delivery.
During assembling, first tank body 1 and cover 2 are overlapped merga pass copper brazing and connect, realize the high strength face welding of whole can body; Then connector 3 is inserted in can body lateral aperture and connect by copper brazing; Finally can determine whether seal ring 6 will be loaded in the seal groove of connector 3 afterbody according to connector 3 and the tightness degree of tank body 1.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these are only casehistorys, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (9)
1. an expansion tank, for in vehicle fuel delivery system, described expansion tank comprises a tank body, one cover, two connectors, it is characterized in that, described tank body comprises a tank base, one tank wall, described cover comprises a cover top, one cover sidewall, described cover is linked in described tank body, and the outside face of described cover sidewall and the inside face of described tank wall are affixed merga pass welded seal to be connected, described tank wall is provided with two relative outer perforation, described cover sidewall is provided with two relative interior perforation, described outer perforation is relative one by one with described interior perforation, described connector is located in described outer perforation and described interior perforation successively.
2. expansion tank as claimed in claim 1, it is characterized in that, the height of described tank wall equals the height of described cover sidewall.
3. expansion tank as claimed in claim 2, it is characterized in that, described cover top is provided with one with the junction of described cover sidewall and is connected chamfering, and described connection chamfering is connected by welded seal with described tank wall.
4. expansion tank as claimed in claim 1, it is characterized in that, described outer perforation comprises the extension that the first through hole and be located on described tank wall protrudes from described tank wall, and the internal diameter of described extension is equal with the external diameter of described connector.
5. expansion tank as claimed in claim 1, it is characterized in that, described interior perforation comprises the peristome that the second through hole and be located on described cover sidewall extends to the bottom of described cover sidewall from described second through hole, and the width of described peristome and the external diameter of described connector match.
6. expansion tank as claimed in claim 1, it is characterized in that, described connector is slub type.
7. expansion tank as claimed in claim 1, it is characterized in that, described connector is connected by welded seal with described outer perforation.
8. expansion tank as claimed in claim 1, it is characterized in that, each described connector is also provided with a seal groove with described outer one end be connected of boring a hole, and a seal ring and described seal groove are tightly connected.
9. a vehicle fuel delivery system, is characterized in that, it comprises the expansion tank according to any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410288901.5A CN105291820A (en) | 2014-06-24 | 2014-06-24 | Buffer tank and automobile fuel transfer system comprising buffer tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410288901.5A CN105291820A (en) | 2014-06-24 | 2014-06-24 | Buffer tank and automobile fuel transfer system comprising buffer tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105291820A true CN105291820A (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410288901.5A Pending CN105291820A (en) | 2014-06-24 | 2014-06-24 | Buffer tank and automobile fuel transfer system comprising buffer tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105291820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242986A1 (en) * | 2018-06-20 | 2019-12-26 | Robert Bosch Gmbh | Damper module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202065604U (en) * | 2011-04-26 | 2011-12-07 | 浙江吉利汽车研究院有限公司 | Device for reducing noise in delivery of automobile fuel |
| US20110308653A1 (en) * | 2010-06-18 | 2011-12-22 | Zdroik Michael J | Damper for use in a fluid delivery system |
| CN202708458U (en) * | 2012-08-27 | 2013-01-30 | 宁波名古屋工业有限公司 | Buffer tank |
| CN203856621U (en) * | 2014-05-09 | 2014-10-01 | 奇瑞汽车股份有限公司 | Automotive fuel pipeline pulsation damper structure |
| CN204037328U (en) * | 2014-06-24 | 2014-12-24 | 上海亚大汽车塑料制品有限公司 | Expansion tank and comprise its vehicle fuel delivery system |
| CN204941757U (en) * | 2015-08-24 | 2016-01-06 | 北京汽车股份有限公司 | Oil pressure pulsation damper |
| CN206055057U (en) * | 2016-08-24 | 2017-03-29 | 北京汽车研究总院有限公司 | A kind of fuel oil pulse buffer device and automobile |
-
2014
- 2014-06-24 CN CN201410288901.5A patent/CN105291820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110308653A1 (en) * | 2010-06-18 | 2011-12-22 | Zdroik Michael J | Damper for use in a fluid delivery system |
| CN202065604U (en) * | 2011-04-26 | 2011-12-07 | 浙江吉利汽车研究院有限公司 | Device for reducing noise in delivery of automobile fuel |
| CN202708458U (en) * | 2012-08-27 | 2013-01-30 | 宁波名古屋工业有限公司 | Buffer tank |
| CN203856621U (en) * | 2014-05-09 | 2014-10-01 | 奇瑞汽车股份有限公司 | Automotive fuel pipeline pulsation damper structure |
| CN204037328U (en) * | 2014-06-24 | 2014-12-24 | 上海亚大汽车塑料制品有限公司 | Expansion tank and comprise its vehicle fuel delivery system |
| CN204941757U (en) * | 2015-08-24 | 2016-01-06 | 北京汽车股份有限公司 | Oil pressure pulsation damper |
| CN206055057U (en) * | 2016-08-24 | 2017-03-29 | 北京汽车研究总院有限公司 | A kind of fuel oil pulse buffer device and automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242986A1 (en) * | 2018-06-20 | 2019-12-26 | Robert Bosch Gmbh | Damper module |
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| PB01 | Publication | ||
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Application publication date: 20160203 |