CN107650673B - Automobile oil filling pipe assembly with return air structure - Google Patents
Automobile oil filling pipe assembly with return air structure Download PDFInfo
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- CN107650673B CN107650673B CN201711012998.7A CN201711012998A CN107650673B CN 107650673 B CN107650673 B CN 107650673B CN 201711012998 A CN201711012998 A CN 201711012998A CN 107650673 B CN107650673 B CN 107650673B
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- oil filling
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- 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
- B60K15/01—Arrangement of fuel conduits
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- 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 an automobile oil filling pipe assembly with a return air structure, which comprises an oil filling pipe body and an oil filling port, wherein the oil filling pipe body is connected with the oil filling port through a conical pipe, a connecting thread is arranged in the oil filling port, the periphery of the front section of the oil filling port is sleeved with a rubber baffle disc with a circular ring structure, and the rubber baffle disc is provided with a mounting hole; the oil filling pipe comprises a first straight pipe section, a first bent pipe section, a second straight pipe section, a second bent pipe section and a third straight pipe section which are sequentially arranged, wherein an air return pipe is connected to the oil filling port and is fixed beside the oil filling pipe body along the trend of the oil filling pipe body, and a reducing section is arranged at the joint of the air return pipe and the oil filling port. The advantages are that: the structure is simple, and the arrangement of the rubber baffle disc ensures the tightness of the joint; the arrangement of the return air pipe solves the phenomenon of fuel choking in the fuel filling process; and the connection part is provided with a diameter-reducing section, and when the oil gas molecules pass through the diameter-reducing section, the pressure is increased to enable part of the oil gas molecules to be liquefied and then returned to the oil tank.
Description
Technical Field
The invention relates to the field of vehicle accessories, in particular to an automobile oil filling pipe assembly with a return air structure.
Background
With the rapid development of the automobile industry in China and the continuous improvement of the living standard of people, the sedan increasingly enters our family, and the demand of the family sedan increases. Automobiles are usually fueled with gasoline or diesel fuel and are equipped with fuel tanks, the fuel filler ports of which are provided with dedicated filler tubes for facilitating the sealing and filling of the fuel tanks. The oil filling pipe in the prior art is generally made of hard materials such as iron pieces or steel pieces, and the oil filling pipe is manufactured in a great number of troubles due to the narrow and tortuous space in the automobile; the oil filling pipe made of soft materials such as rubber has the defects of troublesome connection with the oil filling port, weak connection and the like. And when the fuel is filled into the fuel filling pipe, the fuel inlet pipe and the fuel return pipe both pass through a pipeline, so that the fuel is not filled smoothly enough, and the phenomenon of fuel choking easily occurs, and therefore, the existing fuel filling pipe has room for improvement.
Disclosure of Invention
Aiming at the current state of the art, the invention provides the automobile oil filling pipe assembly with the return air structure, which has the advantages of simple structure and good sealing property and can effectively avoid fuel oil choking.
The technical scheme adopted for solving the technical problems is as follows:
the automobile oil filling pipe assembly with the gas return structure comprises an oil filling pipe body and an oil filling port, wherein the oil filling pipe body is connected with the oil filling port through a conical pipe, connecting threads are arranged in the oil filling port, a rubber baffle disc with a circular ring-shaped structure is sleeved on the periphery of the front section of the oil filling port, and mounting holes are formed in the rubber baffle disc; the oil filling pipe comprises a first straight pipe section, a first bent pipe section, a second straight pipe section, a second bent pipe section and a third straight pipe section which are sequentially arranged, wherein an air return pipe is connected to the oil filling port and is fixed beside the oil filling pipe body along the trend of the oil filling pipe body, and a reducing section is arranged at the joint of the air return pipe and the oil filling port.
The optimized technical measures also comprise:
the upper surface of the rubber baffle disc is an inclined surface with high outer side and low inner side.
And a reinforcing plate with an L-shaped section is arranged between the lower surface of the rubber baffle disc and the outer wall of the oil filling port.
The oil filler is internally provided with the eccentrically arranged guide pipe which is arranged at one side far away from the return air pipe.
The tail section of the return air pipe is provided with an annular bulge, and the tail end of the return air pipe is provided with a necking.
The middle part of the oil filling pipe body is provided with a first fixing support, the first fixing support is fixed with the air return pipe, and the outer end of the first fixing support is provided with a hook-shaped part.
The middle part of the oil filling pipe body is provided with a second fixing support, and the second fixing support is fixed with the gas return pipe.
The tail section of the oil filling pipe body is provided with a third fixing support, the outer end of the third fixing support is provided with a fixing plane, and the fixing plane is provided with a fixing hole.
The two sides of the third fixing support are folded to form a reinforced edge.
The oil filling pipe body is sprayed with powder to form a coating, and the thickness of the coating is larger than 60 mu m.
The automobile oil filling pipe assembly with the air return structure is simple in structure, the rubber baffle disc with the annular structure is sleeved on the periphery of the front section of the oil filling port, and after the oil filling port is connected, the rubber baffle disc is attached to the surface of the connecting part, so that the tightness of the connecting part is ensured. The oil filling port is connected with the gas return pipe, and the trend of the gas return pipe oil filling pipe body is fixed beside the oil filling pipe body, so that the structure of the whole oil filling pipe assembly is more compact and tidier; in addition, the arrangement of the return air pipe enables oil gas molecules generated in the oiling process to be discharged from the return air pipe, so that the phenomenon of choking of fuel in the fuel filling process is solved, and the fuel filling is smooth; and the connection part is provided with a diameter-reducing section, and when the oil gas molecules pass through the diameter-reducing section, the pressure is increased to enable part of the oil gas molecules to be liquefied and then returned to the oil tank.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another view of the present invention;
FIG. 3 is a cross-sectional view of the fuel filler of the present invention;
fig. 4 is a sectional view of the return pipe according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The present invention is schematically illustrated in figures 1 to 4,
wherein the reference numerals are as follows: the oil filler body 1, the first straight pipe section 11, the first bent pipe section 12, the second straight pipe section 13, the second bent pipe section 14, the third straight pipe section 15, the oil filler 2, the connecting screw thread 21, the guide pipe 22, the conical pipe 3, the rubber baffle 4, the mounting hole 4a, the reinforcing plate 41, the return pipe 5, the diameter reducing section 51, the annular protrusion 52, the reducing opening 53, the first fixing bracket 6, the hook 61, the second fixing bracket 7, the third fixing bracket 8, the fixing plane 81 and the reinforcing edge 82.
As shown in figures 1 to 4 of the drawings,
the automobile oil filling pipe assembly with the gas return structure comprises an oil filling pipe body 1 and an oil filling port 2, wherein the oil filling pipe body 1 is connected with the oil filling port 2 through a conical pipe 3, a connecting thread 21 is arranged in the oil filling port 2, a rubber baffle disc 4 with a circular ring structure is sleeved on the periphery of the front section of the oil filling port 2, and a mounting hole 4a is formed in the rubber baffle disc 4; the oil filling pipe comprises a first straight pipe section 11, a first bent pipe section 12, a second straight pipe section 13, a second bent pipe section 14 and a third straight pipe section 15 which are sequentially arranged on the oil filling pipe body 1, wherein the oil filling port 2 is connected with an air return pipe 5, the air return pipe 5 is fixed beside the oil filling pipe body 1 along the trend of the oil filling pipe body 1, and a reducing section 51 is arranged at the joint of the air return pipe 5 and the oil filling port 2.
The oil filler 2 and the conical tube 3, and the conical tube 3 and the oil filler body 1 are fixed by adopting an electric welding process, and galvanized treatment is carried out outside the welding part.
In the embodiment, the upper surface of the rubber stopper 4 is a slope with a high outside and a low inside.
In the embodiment, a reinforcing plate 41 with an L-shaped cross section is disposed between the lower surface of the rubber baffle 4 and the outer wall of the oil filler 2.
The rubber baffle disc 4 is an inclined plane with high outer side and low inner side, air in the rubber baffle disc 4 is extruded to form negative pressure in the process of compacting the rubber baffle disc 4, the fitting degree of the upper surface of the rubber baffle disc 4 and the mounting surface can be improved, and the tightness between the oil filling port 2 and the connecting part is further improved.
In the embodiment, the oil filler 2 is provided with an eccentrically arranged guide pipe 22, and the guide pipe 22 is arranged at one side far away from the gas return pipe 5. By the arrangement, in the oiling process, fuel can directly pass through the oiling pipe body 1, and smoothness of oiling is ensured.
In the embodiment, the tail section of the return air pipe 5 is provided with an annular bulge 52, and the tail end of the return air pipe 5 is provided with a necking 53.
The design of the necking 53 at the tail end of the return air pipe 5 facilitates the insertion and the matching between the return air pipe 5 and the installation part, and the annular bulge 52 plays a role in positioning, so that the insertion depth can be mastered more quickly, and the assembly efficiency is improved; the annular bulge 52 can also improve the strength of the tail end of the return air pipe 5.
In the embodiment, a first fixing bracket 6 is arranged in the middle of the oil filling pipe body 1, the first fixing bracket 6 is fixed with the gas return pipe 5, and a hook-shaped part 61 is arranged at the outer end of the first fixing bracket 6.
In the embodiment, a second fixing bracket 7 is arranged at the middle part of the oil filling pipe body 1, and the second fixing bracket 7 is fixed with the return pipe 5.
In the embodiment, the tail section of the oil filling pipe body 1 is provided with a third fixing support 8, the outer end of the third fixing support 8 is provided with a fixing plane 81, and a fixing hole is formed in the fixing plane 81.
In the embodiment, the two sides of the third fixing bracket 8 are folded to form a reinforced edge 82; the reinforcing edge 82 can strengthen the overall strength of the third fixing bracket 8, thereby improving the bearing capacity thereof.
In the embodiment, the oil filling pipe body 1 is formed into a coating layer by powder spraying, and the thickness of the coating layer is larger than 60 mu m.
After the automobile oil filling pipe is processed, performing an air tightness test, and maintaining the pressure for 30 seconds under the pressure of 30 Kpa; after the fuel tank cover is installed, the fuel tank cover is immersed in water, and the fuel filling pipe assembly is kept for 30s under the relative air pressure of 10 Kpa. And in the process of detection, the oil filling pipe assembly is maintained for 5s under the pressure of 100Kpa, and 100% air tightness is detected, so that leakage of all positions of the oil filling pipe assembly is prevented.
The automobile oil filling pipe assembly is simple in structure, the rubber baffle disc 4 with a circular ring-shaped structure is sleeved on the periphery of the front section of the oil filling port 2, and after the oil filling port 2 is connected through the connecting threads 21, the rubber baffle disc 4 is attached to the surface of the connecting part, so that the tightness between the oil filling port 2 and the connecting part is ensured.
The oil filling port 2 is connected with the air return pipe 5, and the air return pipe 5 is fixed beside the oil filling pipe body 1 along the trend of the oil filling pipe body 1, so that the structure of the whole oil filling pipe assembly is more compact and tidy; in addition, the arrangement of the return air pipe 5 enables oil gas molecules generated in the oiling process to be discharged from the return air pipe 5, so that the phenomenon of choking of fuel in the fuel filling process is solved, and the fuel filling is smooth; the arrangement of the reduced diameter section 51 at the joint makes the oil gas molecules pass through the reduced diameter section 51, and the pressure increase makes part of the oil gas molecules return to the oil tank after being liquefied.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.
Claims (1)
1. The utility model provides an automobile oil filler pipe assembly with return gas structure, including oil filler pipe body (1) and oil filler (2), characterized by: the oil filling pipe comprises an oil filling pipe body (1) and an oil filling port (2), wherein the oil filling pipe body is connected with the oil filling port (2) through a conical pipe (3), a connecting thread (21) is arranged in the oil filling port (2), a rubber baffle disc (4) with a circular ring structure is sleeved on the periphery of the front section of the oil filling port (2), and a mounting hole (4 a) is formed in the rubber baffle disc (4); the oil filling pipe comprises a first straight pipe section (11), a first bent pipe section (12), a second straight pipe section (13), a second bent pipe section (14) and a third straight pipe section (15) which are sequentially arranged on an oil filling pipe body (1), wherein an oil return pipe (5) is connected to the oil filling port (2), the oil return pipe (5) is fixed beside the oil filling pipe body (1) along the trend of the oil filling pipe body (1), and a reducing section (51) is arranged at the joint of the oil return pipe (5) and the oil filling port (2); the upper surface of the rubber baffle disc (4) is an inclined plane with high outer side and low inner side; a reinforcing plate (41) with an L-shaped section is arranged between the lower surface of the rubber baffle disc (4) and the outer wall of the oil filler (2); the oil filler (2) is internally provided with a guide pipe (22) which is eccentrically arranged, and the guide pipe (22) is arranged at one side far away from the return air pipe (5); the tail section of the return air pipe (5) is provided with an annular bulge (52), and the tail end of the return air pipe (5) is provided with a necking (53); the middle part of the oil filling pipe body (1) is provided with a first fixed bracket (6), the first fixed bracket (6) is fixed with the return pipe (5), and the outer end of the first fixed bracket (6) is provided with a hook-shaped part (61); the middle part of the oil filling pipe body (1) is provided with a second fixing bracket (7), and the second fixing bracket (7) is fixed with the return air pipe (5); the tail section of the oil filling pipe body (1) is provided with a third fixing bracket (8), the outer end of the third fixing bracket (8) is provided with a fixing plane (81), and the fixing plane (81) is provided with a fixing hole; the two sides of the third fixed bracket (8) are folded to form reinforcing edges (82); the oil filling pipe body (1) is sprayed with powder to form a coating, and the thickness of the coating is larger than 60 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012998.7A CN107650673B (en) | 2017-10-26 | 2017-10-26 | Automobile oil filling pipe assembly with return air structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012998.7A CN107650673B (en) | 2017-10-26 | 2017-10-26 | Automobile oil filling pipe assembly with return air structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107650673A CN107650673A (en) | 2018-02-02 |
| CN107650673B true CN107650673B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711012998.7A Active CN107650673B (en) | 2017-10-26 | 2017-10-26 | Automobile oil filling pipe assembly with return air structure |
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| CN (1) | CN107650673B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944423A (en) * | 2018-09-07 | 2018-12-07 | 宁波舜江汽车部件制造有限公司 | A kind of oil filling pipe with leakage warning function |
| CN110774887A (en) * | 2019-11-26 | 2020-02-11 | 宁波舜江汽车部件制造有限公司 | Air guide pipe for automobile refueling pipe and manufacturing method thereof |
| CN112721615A (en) * | 2021-03-10 | 2021-04-30 | 宁波舜江汽车部件制造有限公司 | Safe sealed high-strength light automobile oil filling pipe assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003239808A (en) * | 2002-02-19 | 2003-08-27 | Chuo Motor Wheel Co Ltd | Liquefied gas feeder for automobile |
| CN2915584Y (en) * | 2006-04-30 | 2007-06-27 | 上海通用汽车有限公司 | Automobile oil tank system |
| JP2009214803A (en) * | 2008-03-12 | 2009-09-24 | Toyota Motor Corp | Fuel tank device |
| JP2014091493A (en) * | 2012-11-06 | 2014-05-19 | Unipres Corp | Breather pipe connection structure to filler pipe in fuel tank |
| CN105437954A (en) * | 2015-12-23 | 2016-03-30 | 郑州日产汽车有限公司 | Evaporation pipeline for onboard refueling vapor recovery (ORVR) system |
| CN207403551U (en) * | 2017-10-26 | 2018-05-25 | 宁波舜江汽车部件制造有限公司 | It is a kind of that there is the automobile fuel filler pipe assembly for returning depressed structure |
-
2017
- 2017-10-26 CN CN201711012998.7A patent/CN107650673B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003239808A (en) * | 2002-02-19 | 2003-08-27 | Chuo Motor Wheel Co Ltd | Liquefied gas feeder for automobile |
| CN2915584Y (en) * | 2006-04-30 | 2007-06-27 | 上海通用汽车有限公司 | Automobile oil tank system |
| JP2009214803A (en) * | 2008-03-12 | 2009-09-24 | Toyota Motor Corp | Fuel tank device |
| JP2014091493A (en) * | 2012-11-06 | 2014-05-19 | Unipres Corp | Breather pipe connection structure to filler pipe in fuel tank |
| CN105437954A (en) * | 2015-12-23 | 2016-03-30 | 郑州日产汽车有限公司 | Evaporation pipeline for onboard refueling vapor recovery (ORVR) system |
| CN207403551U (en) * | 2017-10-26 | 2018-05-25 | 宁波舜江汽车部件制造有限公司 | It is a kind of that there is the automobile fuel filler pipe assembly for returning depressed structure |
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| CN107650673A (en) | 2018-02-02 |
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