CN202716727U - Oil filling pipe - Google Patents
Oil filling pipe Download PDFInfo
- Publication number
- CN202716727U CN202716727U CN 201220414130 CN201220414130U CN202716727U CN 202716727 U CN202716727 U CN 202716727U CN 201220414130 CN201220414130 CN 201220414130 CN 201220414130 U CN201220414130 U CN 201220414130U CN 202716727 U CN202716727 U CN 202716727U
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- CN
- China
- Prior art keywords
- flow
- guiding mouth
- filler pipe
- fuel filler
- flow guide
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an oil filling pipe which comprises an oil filling pipe body. A cup body is formed by a pipe opening which is inwards concave on the oil filling pipe. The bottom of the cup body is provided with a first flow guide opening, wherein the first flow guiding opening stretches inwards to form a flow guide barrel along a direction which is parallel to the axis of the oil filling pipe body. A second flow guide opening is arranged at the bottom of the flow guide barrel. The caliber of the first flow guide opening is larger than that of the second flow guide opening. As the large-end-out flow guide barrel is added into the oil filling pipe body, an oil gun is kept at the second flow guide opening with a smaller caliber when inserted into the flow guide barrel so that a sensor at the tail end of the oil gun is not prone to touch the pipe wall of the flow guide barrel and the oil gun can be prevented from shutting off in advance, meanwhile, the small-caliber second flow guide opening can prevent oil backflow to some degree.
Description
Technical field
The utility model relates to vehicular spare parts, relates in particular to a kind of fuel filler pipe of motor vehicle diesel.
Background technology
Referring to Fig. 1, Fig. 1 is the design of traditional fuel filler pipe.Traditional fuel filler pipe comprise fuel filler pipe body 1 ' and be arranged on the filler neck cup 2 of fuel filler pipe body 1 ' interior ', flow-guiding mouth 3 ' be opened in filler neck cup 2 ' bottom surface.
In normal refueling process, nozzle 4 ' insertion oil filling port cup 2 ', pass flow-guiding mouth 3 ', enter into fuel filler pipe body 1 ' inside, liquid fuel is input in the fuel tank (not shown) with certain flow velocity and pressure, air in the fuel tank can be discharged by the gas valve on the fuel tank simultaneously, after the liquid fuel in the fuel tank reaches a constant volume, gas valve will be submerged, at this moment tank internal pressure can rise moment, cause fuel filler pipe body 1 ' in fuel level also can rise rapidly thereupon, when liquid level rises near flow-guiding mouth 3 ' height, nozzle 4 ' on inductor can trigger automatic jumping rifle because of perceiving liquid fuel, finish once oiling.
In this process, if also just not occuring to jump rifle to nominal volume, fuel tank just is called the early jump rifle; And if the fuel oil that rises in the fuel filler pipe is gone out the mouth of pipe and is splashed or be rushed to car and just be called outward to refuel and regurgitate.Traditional fuel filler pipe not to nozzle 4 ' supporting construction, the inductor of nozzle 4 ' end is contact or close fuel filler pipe body 1 ' tube wall easily, just may cause the jumping rifle, causes early jump rifle problem, this phenomenon is more prone to occur in high speed oiling situation.Be when fuel oil has reached design objective in the fuel tank when refueling process draws to an end, because the fuel oil internal pressure can rise suddenly, cause fuel filler pipe body 1 ' in fuel level rise rapidly, when liquid level rise to touch be positioned at nozzle 4 ' on inductor, nozzle 4 ' will automatically stop to refuel, but in the high speed oiling situation, because higher flow velocity and pressure, fuel oil may recoil, pass oil filling port cup 2 ', directly gush out or be splashed to vehicle body outside, especially in diesel oil refuels, counter the releasing of the easier quilt of a large amount of foams, this counter emerging in large numbers in the benefit rifle oiling that resembles after jumping rifle first, more abominable.
Therefore, be necessary to design a kind of novel fuel filler pipe, the challenge that is brought to overcome high flow rate and diesel oil foam avoids refueling process generation early jump rifle and oiling to regurgitate phenomenon.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and prevents the early jump rifle and refuel the fuel filler pipe of regurgitating.
The technical solution of the utility model provides a kind of fuel filler pipe, comprise the fuel filler pipe body, the mouth of pipe indent of described fuel filler pipe body forms cup, the bottom of described cup offers the first flow-guiding mouth, described the first flow-guiding mouth is along the direction that the is parallel to described fuel filler pipe body axis formation diversing bucket that extends internally, the bottom of described diversing bucket offers the second flow-guiding mouth, and the caliber of described the first flow-guiding mouth is greater than the caliber of described the second flow-guiding mouth.
Preferably, described diversing bucket comprises large vertical tube part, interconnecting gangway and little vertical tube part from described the first flow-guiding mouth successively to described the second flow-guiding mouth.
Preferably, described the first flow-guiding mouth and described the second flow-guiding mouth are on same line of centers, and the eccentric throw between the line of centers of described the first flow-guiding mouth and described the second flow-guiding mouth and the axis of described fuel filler pipe body is 3-5mm.
Preferably, the length of described diversing bucket is 60-70mm.
Preferably, form the flow-stopping plate perpendicular with the axis of described fuel filler pipe body on the outer rim of described the second flow-guiding mouth.
Preferably, described flow-stopping plate is formed on the top of described the second flow-guiding mouth.
Preferably, offer notch on the lower wall surface of described the second flow-guiding mouth.
Preferably, described notch is U-shaped, or rectangle, or semicircle.
After adopting technique scheme, has following beneficial effect: owing to increased the little diversing bucket of outer imperial palace in the fuel filler pipe body, after nozzle is inserted into diversing bucket, remain on the second less flow-guiding mouth place of caliber, the inductor of nozzle end is not easy to touch the tube wall of diversing bucket, prevent the early jump rifle, the second flow-guiding mouth than pipe with small pipe diameter also can play the effect of regurgitating of refueling that stops to a certain extent simultaneously.
Description of drawings
Fig. 1 is the structural representation of traditional fuel filler pipe;
Fig. 2 is the structural representation of fuel filler pipe among the utility model embodiment;
Fig. 3 is the local structure scheme drawing of diversing bucket among the utility model embodiment.
The Reference numeral synopsis:
1 '---fuel filler pipe body 2 '---filler neck cup 3 '---flow-guiding mouth
4 '---nozzle
1---fuel filler pipe body 2---cup 3---diversing bucket
4---nozzle 11---mouth of pipe 21---the first flow-guiding mouths
31---the second flow-guiding mouth 32---large vertical tube part 33---interconnecting gangways
34---little vertical tube part 35---flow-stopping plate 36---notches
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 2, fuel filler pipe comprises fuel filler pipe body 1, the mouth of pipe 11 indents of fuel filler pipe body 1 form cup 2, the bottom of cup 2 offers the first flow-guiding mouth 21, the first flow-guiding mouth 21 extends internally along the direction that is parallel to fuel filler pipe body 1 axis and forms diversing bucket 3, the bottom of diversing bucket 3 offers the caliber of the second flow-guiding mouth 31, the first flow-guiding mouths 21 greater than the caliber of the second flow-guiding mouth 31.
During oiling, nozzle 4 is inserted in the fuel filler pipe, passes successively the mouth of pipe 11, the first flow-guiding mouth 21 and the second flow-guiding mouth 31.Because the caliber of the second flow-guiding mouth 31 is more than or equal to the diameter of nozzle 4 heads, so the head of nozzle 4 is supported or blocks by the second flow-guiding mouth 31.Again since the caliber of the first flow-guiding mouth 21 greater than the caliber of the second flow-guiding mouth 31, the inductor of nozzle 4 ends is not easy to touch the tube wall of diversing bucket 3, prevent the early jump rifle, the second flow-guiding mouth 31 than pipe with small pipe diameter also can play the effect of regurgitating of refueling that stops to a certain extent simultaneously.
In the present embodiment, as shown in Figure 2, diversing bucket 3 comprises large vertical tube part 32, interconnecting gangway 33 and little vertical tube part 34 successively from the first flow-guiding mouth 21 to second flow-guiding mouths 31.Large vertical tube part 32 is connected with the first flow-guiding mouth 21, the diameter of large vertical tube part 32 is identical with the diameter of the first flow-guiding mouth 21, the second flow-guiding mouth 31 is positioned at the end of little vertical tube part 34, the diameter of little vertical tube part 34 is identical with the diameter of the second flow-guiding mouth 31, interconnecting gangway 33 connects large vertical tube part 32 and little vertical tube part 34, and the diameter of interconnecting gangway 33 diminishes gradually.After nozzle 4 inserts diversing bucket 3, supported by little vertical tube part 34, make nozzle 4 heads and diversing bucket 3 on same line of centers, prevent that the inwall of nozzle 4 heads and fuel filler pipe body 1 from interfering.
Preferably, as shown in Figure 2, the first flow-guiding mouth 21 and the second flow-guiding mouth 31 are on same centre line L 1, and the eccentric throw between the centre line L 1 of the first flow-guiding mouth 21 and the second flow-guiding mouth 31 and the axis L2 of fuel filler pipe body 1 is 3-5mm.The position of the centre line L 1 of the first flow-guiding mouth 21 and the second flow-guiding mouth 31 just in time is the position of center line of nozzle 4 heads, because centre line L 1 position and axis L2 be parallel to each other, so that the head of nozzle 4 and fuel filler pipe body 1 are parallel to each other.Again because the afterbody of nozzle 4 is curved shape, when eccentric throw 3-5mm, after the head of nozzle 4 is inserted in the fuel filler pipe, the afterbody of nozzle 4 just in time is in the mouth of pipe 11 places, the mouth of pipe 11 can support the afterbody of nozzle 4 well, stablize nozzle 4, so that the inductor of nozzle 4 is not easy to contact with diversing bucket 3, prevent the early jump rifle.
Preferably, the length of diversing bucket 3 is 60-70mm.
In the present embodiment, shown in Fig. 2-3, form the flow-stopping plate 35 perpendicular with the axis of fuel filler pipe body 1 on the outer rim of the second flow-guiding mouth 31.Flow-stopping plate 35 has stopped that fuel oil and the foam of recoil enter in diversing bucket 3 and the cup 2, prevents from refueling regurgitating phenomenon.
Preferably, as shown in Figure 3, flow-stopping plate 35 is formed on the top of the second flow-guiding mouth 31, offers notch 36 on the lower wall surface of the second flow-guiding mouth 31.Offering of notch 36 contacts with the inductor of nozzle 4 ends so that a small amount of fuel oil can enter in the diversing bucket 3.Inductor can perceive fuel oil quickly, jumps rifle thereby trigger.Simultaneously, because the existence of flow-stopping plate 35 avoids the fuel oil of a large amount of recoils to enter into diversing bucket 3, thereby avoided refueling the problem of regurgitating.
In the present embodiment, notch 36 is U-shaped.Certainly, notch 36 can also be rectangle, or semicircle, or irregularly shaped.As long as can enter into the notch structure that diversing bucket 3 provides microgap for a small amount of fuel oil, all belong to protection domain of the present utility model.
Because the performance of diesel oil itself in the back flushing process of high flow rate, produces a large amount of foams easily, flow-stopping plate 35 also can well stop foam when stopping fuel oil.But the utility model is not limited to the fuel filler pipe for diesel oil, also can be for the fuel filler pipe of other fuel oils such as gasoline.
Above-described only is principle of the present utility model and preferred embodiment.Should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be considered as protection domain of the present utility model.
Claims (8)
1. fuel filler pipe, comprise the fuel filler pipe body, the mouth of pipe indent of described fuel filler pipe body forms cup, the bottom of described cup offers the first flow-guiding mouth, it is characterized in that, described the first flow-guiding mouth is along the direction that the is parallel to described fuel filler pipe body axis formation diversing bucket that extends internally, and the bottom of described diversing bucket offers the second flow-guiding mouth, and the caliber of described the first flow-guiding mouth is greater than the caliber of described the second flow-guiding mouth.
2. fuel filler pipe according to claim 1 is characterized in that, described diversing bucket comprises large vertical tube part, interconnecting gangway and little vertical tube part from described the first flow-guiding mouth successively to described the second flow-guiding mouth.
3. fuel filler pipe according to claim 1, it is characterized in that, described the first flow-guiding mouth and described the second flow-guiding mouth are on same line of centers, and the eccentric throw between the line of centers of described the first flow-guiding mouth and described the second flow-guiding mouth and the axis of described fuel filler pipe body is 3-5mm.
4. fuel filler pipe according to claim 1 is characterized in that, the length of described diversing bucket is 60-70mm.
5. fuel filler pipe according to claim 1 is characterized in that, forms the flow-stopping plate perpendicular with the axis of described fuel filler pipe body on the outer rim of described the second flow-guiding mouth.
6. fuel filler pipe according to claim 5 is characterized in that, described flow-stopping plate is formed on the top of described the second flow-guiding mouth.
7. fuel filler pipe according to claim 6 is characterized in that, offers notch on the lower wall surface of described the second flow-guiding mouth.
8. fuel filler pipe according to claim 7 is characterized in that, described notch is U-shaped, or rectangle, or semicircle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220414130 CN202716727U (en) | 2012-08-20 | 2012-08-20 | Oil filling pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220414130 CN202716727U (en) | 2012-08-20 | 2012-08-20 | Oil filling pipe |
Publications (1)
Publication Number | Publication Date |
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CN202716727U true CN202716727U (en) | 2013-02-06 |
Family
ID=47618561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220414130 Expired - Fee Related CN202716727U (en) | 2012-08-20 | 2012-08-20 | Oil filling pipe |
Country Status (1)
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CN (1) | CN202716727U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103590938A (en) * | 2013-11-18 | 2014-02-19 | 浙江顶诚工贸有限公司 | Gas inlet pipe used for gasoline engine |
CN104553758A (en) * | 2014-12-31 | 2015-04-29 | 芜湖顺荣汽车部件股份有限公司 | Refueling device and oil tank |
CN106864254A (en) * | 2017-03-23 | 2017-06-20 | 广西南星科技有限公司 | Oil filling pipe for automobiles |
CN110550596A (en) * | 2019-09-05 | 2019-12-10 | 浙江煜焰工业设计有限公司 | Oil filling nozzle with high accuracy for oil filling and gun jumping |
-
2012
- 2012-08-20 CN CN 201220414130 patent/CN202716727U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103590938A (en) * | 2013-11-18 | 2014-02-19 | 浙江顶诚工贸有限公司 | Gas inlet pipe used for gasoline engine |
CN104553758A (en) * | 2014-12-31 | 2015-04-29 | 芜湖顺荣汽车部件股份有限公司 | Refueling device and oil tank |
CN106864254A (en) * | 2017-03-23 | 2017-06-20 | 广西南星科技有限公司 | Oil filling pipe for automobiles |
CN110550596A (en) * | 2019-09-05 | 2019-12-10 | 浙江煜焰工业设计有限公司 | Oil filling nozzle with high accuracy for oil filling and gun jumping |
CN110550596B (en) * | 2019-09-05 | 2021-04-02 | 浙江煜焰工业设计有限公司 | Oil filling nozzle with high accuracy for oil filling and gun jumping |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20200820 |