CN101716882B - Oil filling pipe with inbuilt valve - Google Patents
Oil filling pipe with inbuilt valve Download PDFInfo
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- CN101716882B CN101716882B CN2009101552836A CN200910155283A CN101716882B CN 101716882 B CN101716882 B CN 101716882B CN 2009101552836 A CN2009101552836 A CN 2009101552836A CN 200910155283 A CN200910155283 A CN 200910155283A CN 101716882 B CN101716882 B CN 101716882B
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- pipe
- valve
- fuel filler
- filler pipe
- oil filling
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Abstract
The invention discloses an oil filling pipe with an inbuilt valve. The oil filling pipe with the inbuilt valve comprises an aeration pipe and an oil filling pipe body which is communicated with the aeration pipe and has a pipe expansion part; the inside of the pipe expansion part is provided with an inner pipe; the inner pipe comprises a contraction part at the inner end and a round pipe part at the outer end, wherein the round pipe part and the pipe expansion part of the inner pipe are in close fit; the outside of the contraction part is fixedly provided with a bracket; the bracket is provided with a pin roll which is sleeved with a torsional spring; a port of the inner pipe is provided with a valve which can rotate relatively to the bracket; one torsional arm of the torsional spring is supported against the valve; and the other torsional arm is supported against the outer wall of the contraction part. Compared with the prior art, the oil filling pipe has the following advantages that: when an oil filling pipe cover is opened, external impurity particles are isolated; when the impurity particles fall in the oil filling pipe incautiously, the oil filling pipe prevents the impurity particles and the like from entering a fuel oil tank; when the impurity particles fall in the inner pipe incautiously, the impurity particles can be conveniently taken out; when the fuel tank is filled, the oil filling pipe can prevent gasoline from directly overflowing to the oil filling pipe cover, and avoid leakage of mass gasoline and the like.
Description
Technical field
The present invention relates to a kind of fuel filler pipe, especially relate to a kind of valve-embedded fuel filler pipe that has.
Background technology
Along with expanding economy; People's living standard improves day by day; Automobile has entered in the common people family as a kind of walking-replacing tool easily, and fuel filler pipe is the indispensable component part of automobile, at present; The breather pipe that existing fuel tank of vehicle fuel filler pipe generally includes a fuel filler pipe body and is connected with the fuel filler pipe body, the outer end of fuel filler pipe body has an expansion section.In the developing of automobile industry process; People also in constantly carrying out, are that 98103993.6 Chinese invention patent disclose a kind of filler pipe unit that be used for the fuel tank of power actuated vehicle like application number for the improvement of fuel filler pipe, and it comprises fuel pipe inlet and a breather pipe of a substantially rigid; Wherein, Fuel pipe inlet has first end and second end that is used to be connected fuel tank on the vehicle body that can be connected power actuated vehicle, and this breather pipe and fuel pipe inlet are single-pieces, and it is connected between said first and second ends; And be used to connect fuel tank; It is characterized in that it comprises that is used to collect a fuel-steam, be provided with near first end of fuel pipe inlet and with its vapor collection case that integrally forms.Its help improving system overall tightness, can accelerate erection work and reduce manufacturing cost.And for example application number is the Chinese utility model patent of application number: 200720309308.X, discloses a kind of automobile lower fuel filler pipe.It has a tube body, it is characterized in that described tube body comprises plurality of sections, is respectively two ends pipe and intermediate connection tube, its objective is cost-cutting.But all there is following problem in the fuel filler pipe of prior art:
1, automobile is in adding the process of gasoline; After opening the fuel filler pipe lid, the screw thread running-on opens wide, and extraneous granule foreign falls in the fuel filler pipe easily; Cause granule foreign to be difficult to take out; System impacts to vehicle fuel, automotive safety is impacted, if particularly article such as key are fallen in the fuel filler pipe because of carelessness and can't be taken out and will bring great inconvenience to people;
2, the fuel filler pipe that does not have valve at the automobile of filling with gasoline in the process of moving, runs into and jolts or during height bank road surface, the gasoline in the oil pipe can directly spill into fuel filler pipe and cover, and under electrostatic interaction, the gasoline seepage causes safety hazard easily simultaneously.
Summary of the invention
Technical matters to be solved by this invention is the present situation to prior art, provide a kind of simple and reasonable, can prevent the valve-embedded fuel filler pipe that has that impurity is fallen into and gasoline overflows.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of have a valve-embedded fuel filler pipe, and it comprises that breather pipe and breather pipe are connected and have the fuel filler pipe body of expansion tube department; The expansion tube department place is built-in with pipe in, and interior pipe comprises the inner contraction flow region and the pipe portion of outer end, wherein; Closely cooperate between the pipe portion of interior pipe and the expansion tube department, the external stability of contraction flow region is provided with support, and support is put on the shelf and is provided with bearing pin; Be arranged with torsion spring on the bearing pin; The port of interior pipe is provided with the valve of support rotation relatively, and one of them of torsion spring turned round arm apical grafting valve, and another turns round the outer wall of arm apical grafting contraction flow region.
Preferably, be shaped on attaching parts on the above-mentioned valve, attaching parts is set on the bearing pin.Certainly, also have other mounting means, such as, a support is set separately in addition again is used for connecting valve, can realize the installation and the rotation of valve equally, but cost is higher like this, and installs complicated.
In order to obtain better technique effect, further technical measures also comprise:
In order to prevent that better gasoline from directly spilling into fuel filler pipe and covering, above-mentioned valve is shaped on the suitable convex body of internal diameter of a circle and port towards a side of port.This convex body has formed defence line, second road to gasoline, enters into interior pipe the inside to avoid gasoline.
Being provided with of convex body can cause certain obstruction to nozzle when nozzle inserts, for this reason, the surface of above-mentioned convex body is the curved surface of smooth and continuous.The effect that the curved surface of smooth and continuous has guiding to the top of nozzle can farthest reduce the obstruction of convex body to nozzle.
The outer tube wall of the pipe portion of above-mentioned interior pipe and the inner tubal wall interference fit of expansion tube department.It is simple and convenient that both interference fit have installation, in conjunction with firm advantage.
The cross-sectional plane of the contraction flow region of above-mentioned interior pipe is circular, and the somewhat larger in diameter of its port is in the diameter of nozzle head.Circular cross-sectional plane helps refueling strong smooth and easy entering; And the somewhat larger in diameter of port at first can play the fixedly effect of nozzle head in the diameter of nozzle head; Simultaneously in refueling process, because the gap between nozzle head and the end is very little, therefore; The nozzle head can play the entering that prevents impurity particle in this process, makes the present invention can not occur being interrupted to the strick precaution of impurity particle.
The circle center line connecting of the cross-sectional plane of the contraction flow region of above-mentioned interior pipe tilts to a side pipe wall of fuel filler pipe body from the axis of fuel filler pipe body.This structure is in order to match with the profile of nozzle; Strengthen the stability that nozzle is placed in refueling process; Therefore, in the process of installing, to note making direction of tilt and the nozzle placement location when oiling of circle center line connecting of the cross-sectional plane of contraction flow region to match.
The outer end of above-mentioned interior pipe is near the outer end of fuel filler pipe body, and the outer end inwall of interior pipe is shaped on and is used for covering the screw thread that matches with the fuel filler pipe pipe.Screw thread in the past all is directly on the fuel filler pipe body, but traditional method need directly be welded on the threaded tube part and refuel on the pipe, in welding process easy deformation with produce welding slag, influence the oil pipe outward appearance, cause defectives such as welding pore.And the present invention directly makes screw thread and fuel filler pipe pipe lid on inner pipe and matches, and therefore need not take any being welded to connect, and has improved presentation quality, simultaneously, has improved product design, greatly reduces because the cost allowance that weld defect causes.
Compared with prior art, expansion tube department of the present invention place is built-in with pipe in, and main effect of pipe is that setting for valve provides a carrier in this; In pipe comprise the inner contraction flow region and the pipe portion of outer end, contraction flow region be support installation sufficient space is provided, make the built-in possibility that becomes of valve; Wherein, In to closely cooperate between pipe portion and the expansion tube department of pipe be in order to make inner with the extraneous connected channel of fuel filler pipe be transformed into interior pipe, the external stability of contraction flow region is provided with support, support is put on the shelf and is provided with bearing pin; Be arranged with torsion spring on the bearing pin; The port of interior pipe is provided with the valve of support rotation relatively, and one of them of torsion spring turned round arm apical grafting valve, and another turns round the outer wall of arm apical grafting contraction flow region; Torsion spring make valve receive all the time apical grafting above that turn round the pressure of arm to port direction, thereby make valve have the trend of rotating all the time to valve.When refueling, nozzle inserts, and the nozzle crown is opened valve and refueled smoothly, and when oiling finishes, nozzle is extracted out, and valve rotates and then with port closed, plays preventing that impurity particle from getting into the effect of fuel filler pipe to port thereupon.Therefore, the present invention has the following advantages:
1,, there has been valve can the impurity particle in the external world be isolated when when opening the fuel filler pipe lid;
2, in impurity particle falls into because of carelessness in the pipe time, valve can stop, prevents in the entering fuel tank such as impurity particle;
3,, behind the pipe, can conveniently take out impurity particle in falling into because of carelessness;
4,, jolt or during height bank road surface, valve can prevent that gasoline from directly spilling into fuel filler pipe and covering, and has avoided the situation such as a large amount of seepages of gasoline running into when the fuel tank of filling with gasoline.
Description of drawings
Fig. 1 is an embodiment of the invention integral structure scheme drawing;
Fig. 2 is the lateral plan of valve;
Fig. 3 is the generalized section of A-A position among Fig. 1.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 is to embodiment shown in Figure 3, and figure grade is explained: breather pipe 1, fuel filler pipe body 2, expansion tube department 2a, interior pipe 3, contraction flow region 3a, the 3b of pipe portion, port 3c, support 4, bearing pin 5, torsion spring 6, valve 7, attaching parts 7a, convex body 7b.
As shown in figures 1 and 3, with reference to Fig. 1, a kind of have a valve-embedded fuel filler pipe; It comprises breather pipe 1; Be connected with breather pipe 1 and have the fuel filler pipe body 2 of expansion tube department 2a, with reference to Fig. 2, expansion tube department 2a place is built-in with pipe 3 in; And the outer end of interior pipe 3 is near the outer end of fuel filler pipe body 2, and the outer end inwall of interior pipe 3 is shaped on and is used for covering the screw thread that matches with the fuel filler pipe pipe.Interior pipe 3 comprises the inner contraction flow region 3a and the 3b of pipe portion of outer end; Wherein, In the inner tubal wall interference fit leak-tight joint mutually of outer tube wall and the expansion tube department 2a of the 3b of pipe portion through interior pipe 3 between pipe 3 the 3b of pipe portion and the expansion tube department 2a, the external stability of contraction flow region 3a is provided with support 4, support 4 is put on the shelf and is provided with bearing pin 5; Be arranged with torsion spring 6 on the bearing pin 5; The port 3c place of interior pipe 3 is provided with the valve 7 of support 4 rotations relatively, and one of them of torsion spring 6 turned round arm apical grafting valve 7, and another turns round the outer wall of arm apical grafting contraction flow region 3a.
Wherein, be shaped on attaching parts 7a (see figure 2) on the valve 7, attaching parts 7a is set on the bearing pin 5, and valve 7 towards the side of port 3c be shaped on a circle with the internal diameter of port 3c suitable and surperficial be the convex body 7b of the curved surface of smooth and continuous.
As shown in Figure 3, the cross-sectional plane of the contraction flow region 3a of interior pipe 3 is circular, and the somewhat larger in diameter of its port 3c is in the diameter of nozzle head, and the circle center line connecting of the cross-sectional plane of the contraction flow region 3a of interior pipe 3 tilts to a side pipe wall of fuel filler pipe body 2 from the axis of fuel filler pipe body 2.
It is following that method of operation of the present invention is installed:
1, on inner pipe with the support welding;
2, bearing pin penetrates torsion spring through support, and the attaching parts with valve is set on the bearing pin simultaneously, then, bearing pin fixedly sealed is riveted on the support;
The interior pipe that 3, will assemble valve is packed in the fuel filler pipe body.
Though the present invention is through illustrating and describe with reference to preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (8)
1. one kind has valve-embedded fuel filler pipe; It comprises breather pipe (1); Be connected with described breather pipe (1) and have the fuel filler pipe body (2) of expansion tube department (2a), it is characterized in that: described expansion tube department (2a) locates to be built-in with pipe (3) in, described in pipe (3) comprise the inner contraction flow region (3a) and the pipe portion (3b) of outer end; Wherein, Closely cooperate between the pipe portion (3b) of pipe (3) and the described expansion tube department (2a) in described, the external stability of described contraction flow region (3a) is provided with support (4), and described support (4) is put on the shelf and is provided with bearing pin (5); Be arranged with torsion spring (6) on the described bearing pin (5); The port (3c) of pipe (3) locates to be provided with the valve (7) that can described relatively support (4) rotates in described, and one of them of described torsion spring (6) turned round the described valve of arm apical grafting (7), and another turns round the outer wall of the described contraction flow region of arm apical grafting (3a).
2. a kind of valve-embedded fuel filler pipe that has according to claim 1 is characterized in that: be shaped on attaching parts (7a) on the described valve (7), described attaching parts (7a) is set on the described bearing pin (5).
3. a kind of valve-embedded fuel filler pipe that has according to claim 2 is characterized in that: described valve (7) is shaped on the suitable convex body (7b) of internal diameter of a circle and described port (3c) towards a side of described port (3c).
4. a kind of valve-embedded fuel filler pipe that has according to claim 3, it is characterized in that: the surface of described convex body (7b) is the curved surface of smooth and continuous.
5. according to the described a kind of valve-embedded fuel filler pipe that has of arbitrary claim in the claim 1 to 4, it is characterized in that: the outer tube wall of the pipe portion (3b) of pipe (3) and the inner tubal wall interference fit of described expansion tube department (2a) in described.
6. a kind of valve-embedded fuel filler pipe that has according to claim 5 is characterized in that: the cross-sectional plane of the contraction flow region (3a) of pipe (3) is circular in described, and the somewhat larger in diameter of its port (3c) is in the diameter of nozzle head.
7. a kind of valve-embedded fuel filler pipe that has according to claim 6 is characterized in that: the circle center line connecting of the cross-sectional plane of the contraction flow region (3a) of pipe (3) tilts to a side pipe wall of described fuel filler pipe body (2) from the axis of described fuel filler pipe body (2) in described.
8. a kind of valve-embedded fuel filler pipe that has according to claim 7; It is characterized in that: the outer end of pipe (3) is near the outer end of described fuel filler pipe body (2) in described, and the outer end inwall of described interior pipe (3) is shaped on and is used for covering the screw thread that matches with the fuel filler pipe pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101552836A CN101716882B (en) | 2009-12-10 | 2009-12-10 | Oil filling pipe with inbuilt valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101552836A CN101716882B (en) | 2009-12-10 | 2009-12-10 | Oil filling pipe with inbuilt valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716882A CN101716882A (en) | 2010-06-02 |
| CN101716882B true CN101716882B (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101552836A Active CN101716882B (en) | 2009-12-10 | 2009-12-10 | Oil filling pipe with inbuilt valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN101716882B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862022A (en) * | 2012-08-25 | 2013-01-09 | 福州诺贝尔福基机电有限公司 | Process and equipment for producing head of main oil filling pipe |
| CN107323252B (en) * | 2016-04-28 | 2020-01-31 | 长城汽车股份有限公司 | Oil filler hole device and vehicle with same |
| CN110395109A (en) * | 2019-08-09 | 2019-11-01 | 江苏奥力威传感高科股份有限公司 | A kind of automobile fuel tank oil-filling pipe oiling buccal funnel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578663Y (en) * | 2002-09-23 | 2003-10-08 | 李宪图 | Electric heating oil pipelines with self-control temperature |
| EP1670628A1 (en) * | 2003-09-26 | 2006-06-21 | Inergy Automotive Systems Research (Société Anonyme) | System for supplying an internal combustion engine and method of manufacturing a tank comprised in the system |
| CN201592650U (en) * | 2009-12-10 | 2010-09-29 | 宁波舜江汽车部件制造有限公司 | Oil filling pipe with built-in valve |
-
2009
- 2009-12-10 CN CN2009101552836A patent/CN101716882B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2578663Y (en) * | 2002-09-23 | 2003-10-08 | 李宪图 | Electric heating oil pipelines with self-control temperature |
| EP1670628A1 (en) * | 2003-09-26 | 2006-06-21 | Inergy Automotive Systems Research (Société Anonyme) | System for supplying an internal combustion engine and method of manufacturing a tank comprised in the system |
| CN201592650U (en) * | 2009-12-10 | 2010-09-29 | 宁波舜江汽车部件制造有限公司 | Oil filling pipe with built-in valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716882A (en) | 2010-06-02 |
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