CN110550596B - Oil filling nozzle with high accuracy for oil filling and gun jumping - Google Patents

Oil filling nozzle with high accuracy for oil filling and gun jumping Download PDF

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Publication number
CN110550596B
CN110550596B CN201910837220.2A CN201910837220A CN110550596B CN 110550596 B CN110550596 B CN 110550596B CN 201910837220 A CN201910837220 A CN 201910837220A CN 110550596 B CN110550596 B CN 110550596B
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Prior art keywords
pipe body
fuel
cone
gun
high accuracy
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CN110550596A (en
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林泽舜
金圣勇
梅丽莎
梅矩威
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Yancheng Tinghu Tingyi Oil Products Co ltd
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Zhejiang Yuyan Industrial Design Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/42Filling nozzles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

The invention discloses a fuel nozzle with high accuracy in fuel filling and gun jumping, which comprises a first pipe body, a second pipe body, a third pipe body and a fourth pipe body which are connected together, wherein the pipe wall of the third pipe body is inwards sunken to form a structure with two large ends and a small middle part for limiting the shaking of a fuel nozzle, and the lower part of the pipe wall of the third pipe body is provided with a vent hole; the lower part of the inner wall of the fourth pipe body is provided with an anti-bubble structure, and the anti-bubble structure comprises a rubber cone, a cone-shaped spring and a fixing ring; the fixed ring is fixedly connected to the bottom of the inner wall of the fourth pipe body, and the bottom of the rubber cone is connected with the fixed ring through a cone-shaped spring. According to the invention, by arranging the anti-bubble structure, when fuel enters the fourth pipe body, the fuel impacts the top of the rubber cone and flows downwards along the conical surface of the rubber cone, liquid flow is dispersed, the impact force on the liquid level of the fuel is greatly weakened, a large amount of bubbles are avoided, the condition that the fuel gun is advanced to jump is avoided, and the gun jumping accuracy is improved.

Description

Oil filling nozzle with high accuracy for oil filling and gun jumping
Technical Field
The invention relates to automobile parts, in particular to an oil filling nozzle with high accuracy of gun jumping during oil filling.
Background
With the development of society, the living standard of people is continuously improved, most people at home have automobiles at present, and the automobiles become the most common transportation means. Among them, fuel automobiles are the mainstream products in the current automobile market, and can normally run only by filling fuel.
The fuel nozzle (also called a flow guide port) is a part matched with a fuel gun of a gas station on an automobile, and when the fuel is filled, the fuel gun is inserted into the fuel nozzle to inject gasoline into a fuel filling pipe connected with a fuel tank, so that the fuel can be filled into the fuel tank. When using the nozzle to pour into the fuel into in the car oil tank, because the velocity of flow when the fuel is injected is very fast, can produce a large amount of bubbles behind the impact fuel liquid level, when being about to fill up oil, the bubble assembles the formation foam in the filler pipe, can jump the rifle automatically after the nozzle contacts the foam, stops to pour into the fuel. However, at this moment, the fuel tank is not filled with fuel actually, and more spaces can store fuel, and some drivers like to fill the fuel tank completely, and the filling gun is controlled by the staff of the filling station to continue filling fuel at this moment, but this filling mode often leads to the fact that the fuel is filled because of manual control is improper, not only causes waste, but also is unsafe, and may cause fire. The above problems can be summarized as low accuracy of gun jump for refueling.
In view of the above, it is necessary to develop a fuel nozzle which can prevent the generation of air bubbles during the refueling process of the fuel, thereby avoiding the phenomenon that the fuel nozzle jumps too early, so that the accuracy of refueling gun jump is high.
Disclosure of Invention
The invention aims to provide the oil filling nozzle with high accuracy of gun jumping during oil filling, and the oil filling nozzle is provided with a specific anti-bubble structure, so that a large amount of bubbles caused by the fact that the liquid level of fuel is impacted due to too high flow speed of the fuel in the oil filling process are avoided, the condition that the gun is jumped ahead of the oil filling gun is avoided, and the gun jumping accuracy of the oil filling gun is improved.
The technical scheme of the invention is as follows: the oil filling nozzle with high accuracy in oil filling and gun jumping comprises a first pipe body, wherein the bottom of the first pipe body is connected with a second pipe body, the second pipe body is eccentrically arranged relative to the first pipe body, and the bottom of the first pipe body is provided with an exhaust window; the bottom of the second pipe body is connected with a third pipe body, and the bottom of the third pipe body is connected with a fourth pipe body; the pipe wall of the third pipe body is inwards sunken to form a structure with two large ends and a small middle part, the size of the middle part of the third pipe body is matched with the oil gun to limit the oil gun to swing, and the lower part of the pipe wall of the third pipe body is provided with an exhaust hole; the lower part of the inner wall of the fourth pipe body is provided with an anti-bubble structure, and the anti-bubble structure comprises a rubber cone, a cone-shaped spring and a fixing ring; the fixed ring is fixedly connected to the bottom of the inner wall of the fourth pipe body, and the bottom of the rubber cone is connected with the fixed ring through a cone-shaped spring.
Compared with the prior art, second body below of fuel filler nozzle in this application is equipped with third body and fourth body according to the preface, third body and nozzle looks adaptation play the positioning action to the nozzle, be equipped with the anti-bubble structure in the fourth body, when refueling, the nozzle oil-out is located directly over the rubber cone of anti-bubble structure, fuel flows down along the rubber cone, the liquid stream obtains the dispersion, weaken greatly to the impact of fuel liquid level, a large amount of bubbles can not appear, thereby, avoided appearing the nozzle when the oil tank is about to fill up oil because of leading to the condition of jump rifle with the bubble contact, the rate of accuracy of jump rifle has been improved.
As an optimization, in the oil filling nozzle with high accuracy of gun jumping during oil filling, a fixing groove is formed in the bottom of the rubber cone, and the top of the circular truncated cone-shaped spring is matched with the fixing groove. The round platform type spring is not easy to separate from the rubber cone due to the arrangement of the fixing groove, and the connection between the round platform type spring and the rubber cone is firmer.
As optimization, in the oil filling nozzle with high accuracy of gun jumping during oil filling, a guide hole is formed in the middle of the fixing ring, a stabilizer bar is arranged in the guide hole, the top end of the stabilizer bar is fixedly connected with the top wall of the fixing groove, and the bottom end of the stabilizer bar penetrates out of the guide hole to be limited through a nut in threaded connection with the stabilizer bar. The setting of stabilizer bar can avoid the rubber cone to shake when receiving the fuel and assault the right side of shaking for prevent that bubble structural stability is better, the reliability is higher.
As optimization, in the oil filling nozzle with high accuracy of oil filling gun jump, the cone angle of the rubber cone is 30-45 degrees. In order to obtain a better bubble prevention effect, the cone angle of the rubber cone is not more than 45 degrees, the angle is too large, and splashing can occur when liquid flow impacts the cone surface; the taper angle is not smaller than 30 degrees, the angle is too small, and the height of the cone is higher to achieve a better liquid flow dispersion effect, so that the integral size of the oil filling nozzle is longer, the application range is small, more production consumables are needed, and the manufacturing cost is high; when the cone angle of the rubber cone is 30-45 degrees, the height of the cone can be well controlled on the premise of ensuring a better bubble-proof effect, so that the product has a compact size and is low in manufacturing cost.
As optimization, in the oil filling nozzle with high accuracy of gun jump, the number of the exhaust holes is 2, and the exhaust holes are symmetrically distributed. The symmetrically distributed exhaust holes enable fuel steam generated in the fourth pipe body to be easily exhausted in the refueling process, and the phenomenon that the fuel oil rushes upwards due to overlarge steam pressure in the fourth pipe body when a refueling gun jumps is avoided.
In the optimized oil filling nozzle with high accuracy of gun jump, a group of fan-shaped guide grooves are arranged on the conical surface of the rubber cone. At this moment, the fuel can be along fan-shaped guiding gutter downflow, if produce the bubble behind the conical surface of fuel impact rubber cone, can be cut open when the bubble touches fan-shaped guiding gutter's border to can be with the taper design of rubber cone a little bit more, make the product compact, application scope is wider and manufacturing cost is lower.
Drawings
FIG. 1 is a front view of a fuel nozzle of the present invention with high accuracy of gun jump;
FIG. 2 is a cross-sectional view of the fuel filler neck of FIG. 1 with high accuracy of gun jump;
FIG. 3 is a schematic view of a retaining ring according to the present invention;
FIG. 4 is a schematic view of the structure of the rubber cone in the present invention.
Reference numerals: 1-a first tube; 11-an exhaust window; 2-a second tube; 3-a third tube; 31-an exhaust hole; 4-a fourth tube; 41-a nut; 42-rubber cone; 421-fixed groove; 422-sector diversion trench; 43-a truncated cone type spring; 44-a fixed ring; 441-a pilot hole; 45-stabilizer bar.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Referring to fig. 1 to 4, the fuel nozzle with high accuracy of fuel filling and gun jump comprises a first pipe body 1, wherein the bottom of the first pipe body 1 is connected with a second pipe body 2, the second pipe body 2 is eccentrically arranged relative to the first pipe body 1, and the bottom of the first pipe body 1 is provided with an exhaust window 11; the bottom of the second pipe body 2 is connected with a third pipe body 3, and the bottom of the third pipe body 3 is connected with a fourth pipe body 4; the pipe wall of the third pipe body 3 is inwards sunken to form a structure with two large ends and a small middle part, the size of the middle part of the third pipe body 3 is matched with an oil gun to limit the oil gun to swing, and the lower part of the pipe wall of the third pipe body 3 is provided with an exhaust hole 31; an anti-bubble structure is arranged at the lower part of the inner wall of the fourth pipe body 4, and comprises a rubber cone 42, a spring 43 and a fixing ring 44; the fixing ring 44 is fixedly connected to the bottom of the inner wall of the fourth tube 4, and the bottom of the rubber cone 42 is connected with the fixing ring 44 through a cone-shaped spring 43.
In the invention, the arrangement of the cone-shaped spring 43 ensures that a larger space is formed between the fixing ring 44 and the rubber cone 42, so that fuel can smoothly and quickly pass through the cone-shaped spring, and meanwhile, the cone-shaped spring 43 has the advantages of small upper part and large lower part, good structural stability, high reliability and long service life; in addition, the truncated cone-shaped spring 43 is easy to be purchased in the market, has low price and is beneficial to controlling the production cost.
As a specific example: the bottom of the rubber cone 42 is provided with a fixing groove 421, and the top of the truncated cone-shaped spring 43 is matched with the fixing groove 421. The fixing groove 421 is formed to make the truncated cone shaped spring 43 not easily separate from the rubber cone 42, so that the connection between the two is firmer.
As a specific example: the middle part of the fixed ring 44 is provided with a guide hole 441, a stabilizing rod 45 is arranged in the guide hole 441, the top end of the stabilizing rod 45 is fixedly connected with the top wall of the fixed groove 421, and the bottom end of the stabilizing rod passes through the guide hole 441 and is limited by a nut 41 which is screwed with the stabilizing rod. The stabilizer bar 45 is arranged to prevent the rubber cone 42 from shaking left and right when being impacted by fuel oil, so that the anti-bubble structure has better stability and higher reliability.
As a specific example: the cone angle of the rubber cone 42 is 30-45 degrees. In order to obtain a better bubble prevention effect, the cone angle of the rubber cone 42 is not more than 45 degrees, the angle is too large, and splashing can occur when liquid flow impacts the cone surface; the taper angle is not smaller than 30 degrees, the angle is too small, and the height of the cone is higher to achieve a better liquid flow dispersion effect, so that the integral size of the oil filling nozzle is longer, the application range is small, more production consumables are needed, and the manufacturing cost is high; when the cone angle of the rubber cone 42 is 30-45 degrees, the height of the cone can be well controlled on the premise of ensuring better bubble prevention effect, so that the product is compact in size and low in manufacturing cost.
As a specific example: the number of the exhaust holes 31 is 2, and the exhaust holes are symmetrically distributed. The symmetrically distributed exhaust holes 31 enable fuel steam generated in the fourth pipe body 4 to be easily exhausted in the refueling process, and the phenomenon that the fuel overflows due to overlarge steam pressure in the fourth pipe body 4 when a refueling gun jumps is avoided.
As a specific example: the conical surface of the rubber cone 42 is provided with a group of fan-shaped diversion grooves 422. At this moment, the fuel can flow downwards along the fan-shaped diversion trench 422, if the fuel generates bubbles after impacting the conical surface of the rubber cone 42, the bubbles can be cut when impacting the edge of the fan-shaped diversion trench 422, so that the taper of the rubber cone 42 can be designed slightly larger, the product is compact, the application range is wider, and the manufacturing cost is lower.
The working principle is as follows: the oil filling nozzle with high accuracy of gun jumping during oil filling is formed by sequentially connecting the four pipe bodies, and when the oil filling gun is inserted into the oil filling nozzle during oil filling, the sunken pipe wall part on the third pipe body 3 can just clamp the head of the oil filling gun to limit the oil filling gun to shake, so that the oil filling gun can be aligned and cannot contact the rubber cone 42; when fuel is injected and the fuel enters the fourth pipe body 4, the fuel impacts the top of the rubber cone 42, the rubber cone 42 cannot shake left and right under the support of the circular truncated cone-shaped spring 43 and the stabilizer bar 45, the fuel flows downwards along the conical surface of the rubber cone 42 to finish injection, liquid flow is dispersed in the process, impact on the liquid level of the fuel is greatly weakened, a large number of bubbles cannot be generated, therefore, the condition that the gun is advanced to jump due to contact with the bubbles when the fuel tank is about to be filled with the fuel is avoided, and the gun jumping accuracy is improved; in addition, the arrangement of the circular truncated cone-shaped spring 43 ensures that a larger space is reserved between the fixing ring 44 and the rubber cone 42, so that fuel can smoothly and quickly pass through; the vent hole 31 is formed in the lower pipe wall of the third pipe body 3, so that fuel steam generated in the fourth pipe body 4 in the refueling process can be discharged through the vent hole 31, and the phenomenon that fuel upwells due to overlarge steam pressure in the fourth pipe body 4 when a refueling gun jumps is avoided.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the protection scope of the present application according to the disclosure of the present application without departing from the structural elements of the present invention.

Claims (6)

1. The oil nozzle with high accuracy of oil filling and gun jumping comprises a first pipe body (1), wherein the bottom of the first pipe body (1) is connected with a second pipe body (2), the second pipe body (2) is eccentrically arranged relative to the first pipe body (1), and the bottom of the first pipe body (1) is provided with an exhaust window (11);
the method is characterized in that: the bottom of the second pipe body (2) is connected with a third pipe body (3), and the bottom of the third pipe body (3) is connected with a fourth pipe body (4);
the pipe wall of the third pipe body (3) is inwards sunken to form a structure with two large ends and a small middle part, the size of the middle part of the third pipe body (3) is matched with a fuel gun to limit the fuel gun to swing, and the lower part of the pipe wall of the third pipe body (3) is provided with an exhaust hole (31);
an anti-bubble structure is arranged on the lower portion of the inner wall of the fourth pipe body (4), and the anti-bubble structure comprises a rubber cone (42), a truncated cone-shaped spring (43) and a fixing ring (44); fixed ring (44) fixed connection is in fourth body (4) inner wall bottom, the bottom of rubber cone (42) is connected with fixed ring (44) through round platform type spring (43).
2. The fuel nozzle with high accuracy of fuel gun skip according to claim 1, characterized in that: the bottom of the rubber cone (42) is provided with a fixing groove (421), and the top of the cone-shaped spring (43) is matched with the fixing groove (421).
3. The fuel nozzle with high accuracy of fuel gun skip according to claim 2, characterized in that: the middle part of solid fixed ring (44) is equipped with guiding hole (441), be equipped with stabilizer bar (45) in guiding hole (441), the roof fixed connection of stabilizer bar (45) top and fixed slot (421), it is spacing through nut (41) rather than the spiro union that guiding hole (441) are worn out to its bottom.
4. The fuel nozzle with high accuracy of fuel gun skip according to claim 1, characterized in that: the cone angle of the rubber cone (42) is 30-45 degrees.
5. The fuel nozzle with high accuracy of fuel gun skip according to claim 1, characterized in that: the number of the exhaust holes (31) is 2, and the exhaust holes are symmetrically distributed.
6. The fuel nozzle with high accuracy of fuel gun skip according to any one of claims 1 to 5, characterized in that: the conical surface of the rubber cone (42) is provided with a group of fan-shaped diversion trenches (422).
CN201910837220.2A 2019-09-05 2019-09-05 Oil filling nozzle with high accuracy for oil filling and gun jumping Active CN110550596B (en)

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CN110550596B true CN110550596B (en) 2021-04-02

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113086934B (en) * 2021-04-13 2023-10-13 军事科学院系统工程研究院军事新能源技术研究所 High-flow oiling splash-proof device
CN113086935B (en) * 2021-04-13 2023-08-08 军事科学院系统工程研究院军事新能源技术研究所 Oil gun interface

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JP2000203278A (en) * 1999-01-11 2000-07-25 Futaba Industrial Co Ltd Fuel inlet
CN201914080U (en) * 2010-12-07 2011-08-03 张国荣 Oil filling pipe of automobile
CN202716727U (en) * 2012-08-20 2013-02-06 上海通用汽车有限公司 Oil filling pipe
CN104016285A (en) * 2014-05-27 2014-09-03 苏州柏德纳科技有限公司 Anti-bubble double-tube type liquid filling device
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
CN204297405U (en) * 2014-11-21 2015-04-29 武汉衡万通输送设备科技有限公司 Material bin blanking cushions anti-blocking feeding-distribution device
WO2015182237A1 (en) * 2014-05-30 2015-12-03 フタバ産業株式会社 Retainer for refueling

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CN201670098U (en) * 2010-05-14 2010-12-15 郝春梅 Fuel tank burglar alarm for automobiles
CN103569934B (en) * 2013-11-01 2016-01-13 陈霈 A kind of nozzle
CN107791829B (en) * 2017-11-21 2024-01-30 东风亚普汽车部件有限公司 Plastic conduit assembly for automobile filler pipe
CN207790318U (en) * 2018-01-14 2018-08-31 亚普汽车部件股份有限公司 A kind of anti-early jump gun apparatus of diesel vehicle foam

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000203278A (en) * 1999-01-11 2000-07-25 Futaba Industrial Co Ltd Fuel inlet
CN201914080U (en) * 2010-12-07 2011-08-03 张国荣 Oil filling pipe of automobile
CN202716727U (en) * 2012-08-20 2013-02-06 上海通用汽车有限公司 Oil filling pipe
CN104016285A (en) * 2014-05-27 2014-09-03 苏州柏德纳科技有限公司 Anti-bubble double-tube type liquid filling device
WO2015182237A1 (en) * 2014-05-30 2015-12-03 フタバ産業株式会社 Retainer for refueling
CN204297405U (en) * 2014-11-21 2015-04-29 武汉衡万通输送设备科技有限公司 Material bin blanking cushions anti-blocking feeding-distribution device
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

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