CN105835691A - Sealing combination structure for fuel oil system - Google Patents
Sealing combination structure for fuel oil system Download PDFInfo
- Publication number
- CN105835691A CN105835691A CN201610187877.5A CN201610187877A CN105835691A CN 105835691 A CN105835691 A CN 105835691A CN 201610187877 A CN201610187877 A CN 201610187877A CN 105835691 A CN105835691 A CN 105835691A
- Authority
- CN
- China
- Prior art keywords
- filling pipe
- oil filling
- sealing
- combination structure
- containment member
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/0406—Filler caps for fuel tanks
- B60K2015/0451—Sealing means in the closure cap
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a sealing combination structure for a fuel oil system, and belongs to the field of fuel oil systems of automobiles. The sealing combination structure comprises an oil filling pipe, an oil filling pipe sealing member and a fuel oil tank cover, wherein the oil filling pipe sealing member is fixedly connected with an opening of the oil filling pipe, and an angle is formed between the oil filling pipe sealing member and the oil filling pipe, wherein the setting range of the angle is 30-60 degrees; a sealing device on the fuel oil tank cover is in matching and sealing connection with the oil filling pipe sealing member. According to the sealing combination structure for the fuel oil system provided by the invention, the head of the oil filling pipe is expanded, so that the bevel of the pipe opening of the oil filling pipe and a sealing ring of the fuel oil tank cover are sealed, and a sealing area is enlarged to the maximum extent; besides, the problem that the sealing ring is easy to fall off when being used is also solved; the safety in the using process is improved. The sealing combination structure provided by the invention has the advantages of being simple in stamping technology and flanging technology, convenient to process, easy to popularize, good in generality, low in building cost and the like.
Description
Technical field
The present invention relates to automotive fuel oil system field, particularly to the sealing combination structure for fuel system.
Background technology
Oil filling pipe, as the vitals of fuel system, plays guide functions during fuel filling, and
It is fitted to each other with leakproof fuel cell with fuel tank lock again after fuel filling, and prevents fuel-steam from passing through to refuel
The mouth of pipe escapes and pollutes environment.And the security hidden trouble existed due to the effusion of fuel-steam.
Existing fuel system seals structure, mainly by controlling the flatness of filler neck flange to ensure
Sealing effectiveness.But, find through Practice Survey, existing sealing structure mainly by oil filler flange with
Sealing ring carries out linear contact lay, has that sealing area is little, the easy adhesion of sealing ring and a shortcoming such as sealing effectiveness is unstable.
Summary of the invention
In order to solve at least one aspect of the above-mentioned problems in the prior art and defect, the present invention provides
A kind of sealing combination structure for fuel system.Described technical scheme is as follows:
It is an object of the present invention to provide a kind of sealing combination structure for fuel system.
According to an aspect of the invention, it is provided a kind of sealing structure for fuel system, described sealing
Combinative structure includes oil filling pipe, oil filling pipe containment member and fuel tank lock, described oil filling pipe containment member with add
The mouth of pipe of oil pipe is fixing to be connected, and described oil filling pipe containment member is angled with respect to each other setting with described oil filling pipe,
The scope of described angle is arranged between 30 °～60 °, and the sealing device on described fuel tank lock is close with oil filling pipe
Envelope component is fitted to each other and is tightly connected.
Further, described oil filling pipe containment member is shaped to horn-like.
Further, the opposite sides of described oil filling pipe containment member is provided with the first opening and the second opening,
First opening of described oil filling pipe containment member is fixing with the mouth of pipe of described oil filling pipe to be connected, described second opening
Sealing device with described fuel tank lock is tightly connected in use.
Specifically, described first opening and the second opening are disposed as circle, and the internal diameter of described first opening
Internal diameter less than described second opening.
Preferably, the medial surface of described oil filling pipe containment member and the longitudinally angle at 45 ° of described oil filling pipe
Arrange.
Further, the sealing device of described fuel tank lock is that be arranged on described fuel tank lock with described oil filling pipe
On the one end connected.
Specifically, described sealing device is fuel tank lock sealing ring, and described fuel tank lock sealing ring is set in institute
On the one end of the close described oil filling pipe stating the main body of fuel tank lock.
Further, the outer surface of described fuel tank lock sealing ring and the medial surface of described oil filling pipe containment member
It is tightly connected.
Specifically, described oil filling pipe containment member and the molding integral with one another of described oil filling pipe.
The technical scheme that the present invention provides provides the benefit that:
(1) sealing combination structure for fuel system that the present invention provides can be by entering oil filling pipe head
Row expander processes, and makes the inclined-plane of the oil filling pipe mouth of pipe seal with fuel tank lock sealing ring, thus to greatest extent
Increase sealing area, solve the sealing ring caducous problem of appearance in use the most simultaneously.
(2) safety during the sealing combination structure for fuel system that the present invention provides adds use
Property；
(3) sealing combination structure for fuel system that the present invention provides has punching press, flanging process simply,
Easy to process, easily promote, the advantages such as versatility is good and cheap.
Accompanying drawing explanation
Fig. 1 is that the structure for the sealing combination structure of fuel system according to an embodiment of the invention is shown
It is intended to；
Fig. 2 is oil filling pipe containment member in the dotted line frame shown in Fig. 1 with the sealing device of fuel tank lock each other
The structural representation coordinated；
Fig. 3 is the structural representation of the oil filling pipe containment member shown in Fig. 1.
Wherein, 100 for the sealing structure of fuel system, 10 oil filling pipes, 20 oil filling pipe containment members, and 21
Turnup structure, 22 annular grooves, 30 fuel tank locks, 31 sealing devices.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
See Fig. 1, it illustrates the sealing structure for fuel system according to an embodiment of the invention
100.Sealing combination structure 100 includes oil filling pipe 10, oil filling pipe containment member 20 and fuel tank lock 30, adds
The mouth of pipe of tubing seal component 20 and oil filling pipe 10 is fixing to be connected, and oil filling pipe containment member 20 and oil filling pipe
10 are angled with respect to each other setting, and the scope of angle [alpha] is arranged between 30 °～60 °, on fuel tank lock 30
Sealing device 31 is fitted to each other with oil filling pipe containment member 20 and is tightly connected.
In conjunction with shown in Fig. 1 to Fig. 3, in an example of the present invention, oil filling pipe containment member 20 and oiling
Pipe 10 molding integral with one another, i.e. oil filling pipe containment member 20 are a part for oil filling pipe 10.Art technology
Personnel are it will be appreciated that oil filling pipe containment member 20 can also be for split part with oil filling pipe 10, the most again
Oil filling pipe containment member 20 is the most such as welded to connect with oil filling pipe 10.In another example of the present invention,
Oil filling pipe containment member 20 is shaped to horn-like.Specifically, oil filling pipe containment member 20 is relative
Both sides are provided with the first opening (not shown) and the second opening (not shown).Oil filling pipe containment member 20
The mouth of pipe of the first opening and oil filling pipe 10 is fixing to be connected, and the second opening in use with fuel tank lock 30
Sealing device 31 is tightly connected.
In an also example of the present invention, the sealing device 31 of fuel tank lock 30 is fuel tank lock sealing ring,
Those skilled in the art are it will be appreciated that sealing device can use other to have the parts of sealing function carries out
Substituting, those skilled in the art can select the most accordingly.Shown in Fig. 2 and Fig. 3,
Fuel tank lock sealing ring is set on one end of close oil filling pipe of the main body of fuel tank lock, and fuel tank lock is close
The outer surface of seal is tightly connected with the medial surface of oil filling pipe containment member 20.Structure is sealed in order to increase oil filling pipe
Sealing effectiveness between part 20 and fuel tank lock 30, is provided with ring on the oil filling pipe of the lower section of the first opening
Connected in star 22, and also accommodate O-ring seal (not shown) in this annular groove 22.
As it is shown on figure 3, the first opening and the second opening are disposed as circle, and the internal diameter of the first opening is less than
The internal diameter of the second opening.In an example of the present invention, in order to further enhance oil filling pipe containment member 20
And the sealing effectiveness between fuel tank lock 30, the inner surface of the second opening part is provided with radially to
In prominent multiple sealing protuberance (not shown), be correspondingly provided with on the outer surface of fuel tank lock for
Accommodate multiple sealed groove (not shown) of multiple sealing protuberance, and multiple sealed groove is dashed forward with multiple sealings
Go out portion's one_to_one corresponding each other to arrange.Multiple sealing protuberances along the circumferential directions of oil filling pipe containment member 20,
Correspondingly, multiple sealed grooves are arranged along the circumferential direction of fuel tank lock, and multiple sealed groove and multiple close
Envelope protuberance is sealingly coupled with each other.
With continued reference to Fig. 3, at the second opening part, circumferential direction is provided with turnup structure 21, and oil filling pipe is close
Envelope component 20 is angled with respect to each other setting with oil filling pipe 10, such as, make the medial surface of oil filling pipe containment member 20
It is 45 ° with the longitudinally angle α of oil filling pipe, this makes it possible to make the expander inclined-plane of filler neck to tie
Structure (i.e. oil filling pipe containment member 20) is inclined-plane and the fuel tank of 45 ° when contacting with fuel tank lock sealing ring
The sealing ring of lid 30 coordinates, thus oil filling pipe containment member 20 and fuel tank in fuel tank lock rundown process
Sealing area between lid 30 can increase along with the increase of screw-down torque, and then plays enhancing sealing effectiveness
Effect.Those skilled in the art are it will be appreciated that the lengthwise of medial surface and oil filling pipe of oil filling pipe containment member 20
Direction can also become 30 ° or 60 ° of angles, and this example is only a kind of illustrated examples, those skilled in the art
It is not construed as a kind of restriction to the present invention.
The technical scheme that the present invention provides provides the benefit that:
(1) sealing combination structure for fuel system that the present invention provides can be by entering oil filling pipe head
Row expander processes, and makes the inclined-plane of the oil filling pipe mouth of pipe seal with fuel tank lock sealing ring, thus to greatest extent
Increase sealing area, solve the sealing ring caducous problem of appearance in use the most simultaneously.
(2) safety during the sealing combination structure for fuel system that the present invention provides adds use
Property；
(3) sealing combination structure for fuel system that the present invention provides has punching press, flanging process simply,
Easy to process, easily promote, the advantages such as versatility is good and cheap.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (9)
1. the sealing combination structure for fuel system, it is characterised in that
Described sealing combination structure includes oil filling pipe, oil filling pipe containment member and fuel tank lock, described oil filling pipe
Containment member is fixing with the mouth of pipe of oil filling pipe to be connected, and described oil filling pipe containment member is with described oil filling pipe each other
Setting at an angle, the scope of described angle is arranged between 30 °～60 °, on described fuel tank lock 30
Sealing device is fitted to each other with oil filling pipe containment member and is tightly connected.
Sealing combination structure for fuel system the most according to claim 1, it is characterised in that
Described oil filling pipe containment member is shaped to horn-like.
Sealing combination structure for fuel system the most according to claim 2, it is characterised in that
The opposite sides of described oil filling pipe containment member is provided with the first opening and the second opening, described oil filling pipe
First opening of containment member and the mouth of pipe of described oil filling pipe are fixing to be connected, described second opening in use with
The sealing device of described fuel tank lock is tightly connected.
Sealing combination structure for fuel system the most according to claim 3, it is characterised in that
Described first opening and the second opening are disposed as circle, and the internal diameter of described first opening is less than described
The internal diameter of the second opening.
5., according to the sealing combination structure for fuel system according to any one of claim 1-4, it is special
Levy and be,
The medial surface of described oil filling pipe containment member is arranged with the longitudinally angle at 45 ° of described oil filling pipe.
Sealing combination structure for fuel system the most according to claim 5, it is characterised in that
The sealing device of described fuel tank lock is arranged on one end being connected with described oil filling pipe of described fuel tank lock
On.
Sealing combination structure for fuel system the most according to claim 6, it is characterised in that
Described sealing device is fuel tank lock sealing ring, and described fuel tank lock sealing ring is set in described fuel tank
On one end of the close described oil filling pipe of the main body of lid.
Sealing combination structure for fuel system the most according to claim 7, it is characterised in that
The outer surface of described fuel tank lock sealing ring is tightly connected with the medial surface of described oil filling pipe containment member.
Sealing combination structure for fuel system the most according to claim 5, it is characterised in that
Described oil filling pipe containment member and the molding integral with one another of described oil filling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187877.5A CN105835691B (en) | 2016-03-29 | 2016-03-29 | Sealing combination structure for fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187877.5A CN105835691B (en) | 2016-03-29 | 2016-03-29 | Sealing combination structure for fuel system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105835691A true CN105835691A (en) | 2016-08-10 |
| CN105835691B CN105835691B (en) | 2021-03-30 |
Family
ID=56584242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187877.5A Active CN105835691B (en) | 2016-03-29 | 2016-03-29 | Sealing combination structure for fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105835691B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000318466A (en) * | 1999-05-11 | 2000-11-21 | Nok Corp | Oil filler port sealing device |
| DE20110760U1 (en) * | 2001-06-29 | 2001-09-20 | Blau Kunststofftechnik Zweigniederlassung der Tesma Europa GmbH, 41516 Grevenbroich | Filler neck for a fuel tank |
| CN201333925Y (en) * | 2007-10-30 | 2009-10-28 | 伊顿公司 | Filling pipe nozzle positioning device and fuel filling pipe nozzle centering equipment |
| US20090294450A1 (en) * | 2008-06-03 | 2009-12-03 | Briggs & Stratton Corporation | Fuel tank cap for a fuel tank |
| CN201761354U (en) * | 2010-07-20 | 2011-03-16 | 高邮市荣清机械电子有限公司 | Chamfering seal oil cup of automobile fuel oil filling pipe |
| JP2014104919A (en) * | 2012-11-29 | 2014-06-09 | Toyoda Gosei Co Ltd | Filler neck and method of manufacturing the same |
| CN104924894A (en) * | 2015-07-17 | 2015-09-23 | 宁波舜江汽车部件制造有限公司 | Fuel oil filling pipe assembly |
| CN105042074A (en) * | 2015-06-27 | 2015-11-11 | 奇瑞商用车（安徽）有限公司 | Sealing connecting structure and method for plastic oil filling pipe and fuel tank |
-
2016
- 2016-03-29 CN CN201610187877.5A patent/CN105835691B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000318466A (en) * | 1999-05-11 | 2000-11-21 | Nok Corp | Oil filler port sealing device |
| DE20110760U1 (en) * | 2001-06-29 | 2001-09-20 | Blau Kunststofftechnik Zweigniederlassung der Tesma Europa GmbH, 41516 Grevenbroich | Filler neck for a fuel tank |
| CN201333925Y (en) * | 2007-10-30 | 2009-10-28 | 伊顿公司 | Filling pipe nozzle positioning device and fuel filling pipe nozzle centering equipment |
| US20090294450A1 (en) * | 2008-06-03 | 2009-12-03 | Briggs & Stratton Corporation | Fuel tank cap for a fuel tank |
| CN201761354U (en) * | 2010-07-20 | 2011-03-16 | 高邮市荣清机械电子有限公司 | Chamfering seal oil cup of automobile fuel oil filling pipe |
| JP2014104919A (en) * | 2012-11-29 | 2014-06-09 | Toyoda Gosei Co Ltd | Filler neck and method of manufacturing the same |
| CN105042074A (en) * | 2015-06-27 | 2015-11-11 | 奇瑞商用车（安徽）有限公司 | Sealing connecting structure and method for plastic oil filling pipe and fuel tank |
| CN104924894A (en) * | 2015-07-17 | 2015-09-23 | 宁波舜江汽车部件制造有限公司 | Fuel oil filling pipe assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105835691B (en) | 2021-03-30 |
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