CN107128167B - Oil-feed port - Google Patents
Oil-feed port Download PDFInfo
- Publication number
- CN107128167B CN107128167B CN201710069315.5A CN201710069315A CN107128167B CN 107128167 B CN107128167 B CN 107128167B CN 201710069315 A CN201710069315 A CN 201710069315A CN 107128167 B CN107128167 B CN 107128167B
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- China
- Prior art keywords
- main body
- oil
- ventilation
- feed port
- canister portion
- 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.)
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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
-
- 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
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
-
- 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
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03523—Arrangements of the venting tube
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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
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K2015/03542—Mounting of the venting means
- B60K2015/03557—Mounting of the venting means comprising elements of the venting device integrated in the fuel tank, e.g. vapor recovery means
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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)
- Pipe Accessories (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
The present invention provides a kind of oil-feed port that can be controlled the fluid to flow back from snorkel in the case where being integrally formed oil-feed port main body using resin and ventilating canister portion.The oil-feed port main body of resin is formed as tubular, the nozzle insert port for being inserted into fuel nozzle is equipped in one end of the oil-feed port main body, it is equipped in the other end of the oil-feed port main body for the fuel supply mouth to filling tube supply fuel, refluxing opening is equipped on the circumferential surface of the oil-feed port main body.The ventilation canister portion of resin is integrally formed at the outside of the circumferential surface of oil-feed port main body, and one end of the ventilation canister portion is connected with refluxing opening, and the other end of the ventilation canister portion is connected to snorkel, and ventilation middle opening is equipped on the circumferential surface of the ventilation canister portion.Lid is component as following: the inside for blocking ventilation middle opening and be configured at ventilation canister portion is functioned with the small flow path area of the flow path area than canister portion of ventilating as orifice element.
Description
Technical field
The present invention relates to a kind of oil-feed ports.
Background technique
The fuel supply mouth of automobile be connected with the filling tube being connected with fuel tank and for fuel vapo(u)r (vapour) from
The snorkel of fuel tank reflux.That is, in fuel supply, by making the fuel vapo(u)r to flow back via snorkel from fuel feeding
The nozzle insert port of mouth is flowed out to outside, so that the pressure in fuel tank is adjusted, it is desired to be stored in fuel tank
Fuel.
Described in patent document 1 and patent document 2, in order to the flow to circulate in snorkel is adjusted and
Throttle orifice is arranged in snorkel.Throttle orifice documented by patent document 1 is formed and making snorkel undergauge itself.Patent text
Throttle orifice documented by offering 2 is configured at the inside of snorkel.In addition, in patent document 2, for the combustion that will be flowed back from snorkel
Expect that steam guides to filling tube side and is equipped with the guiding elements such as plate, pipe.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2005-335691 bulletin
Patent document 2: No. 3508331 bulletins of Japanese Patent Publication No.
Summary of the invention
Problems to be solved by the invention
In recent years, the resinification for promoting oil-feed port is inserted into fuel nozzle and the position for connecting filling tube
(oil-feed port main body) and position (ventilation canister portion) for connecting snorkel are formed as one using resin.From the viewpoint of formability
Consider, is not easy to as described in Patent Document 1, in position (ventilation canister portion) shape for connecting snorkel of oil-feed port
At throttle orifice.In addition, being also not easy as recorded in patent document 2, the throttle orifice as individual member is built in fuel feeding
The position (ventilation canister portion) for connecting snorkel of mouth.Also, the case where integrally formed oil-feed port main body is with ventilation canister portion
Under, it is difficult to the guiding tube being continuously formed documented by integrally formed patent document 2 with ventilation canister portion.
The object of the present invention is to provide a kind of in the feelings for being integrally formed oil-feed port main body and canister portion of ventilating using resin
The oil-feed port that the fluid to flow back from snorkel can be controlled under condition.
The solution to the problem
1. the first oil-feed port
First oil-feed port of the invention includes: oil-feed port main body, is made of resin and is formed as tubular, in oil-feed port master
One end of body, which is equipped with, is inserted into the nozzle insert port of fuel nozzle, is equipped in the other end of the oil-feed port main body for filling
Pipe supplies the fuel supply mouth of fuel, and refluxing opening is equipped on the circumferential surface of the oil-feed port main body；Ventilate canister portion, be made of resin and
It is integrally formed at the outside of the circumferential surface of the oil-feed port main body, one end of the ventilation canister portion is connected with the refluxing opening, this is logical
The other end in inflator portion is connected to snorkel, and ventilation middle opening is equipped on the circumferential surface of the ventilation canister portion；And lid, conduct
Orifice element, for blocking the inside ventilated middle opening and be configured at the ventilation canister portion, which has than described
The small flow path area of the flow path area for canister portion of ventilating.
Oil-feed port main body and ventilation canister portion are formed as one, and the lid as orifice element relative to oil-feed port main body and leads to
Inflator portion is separately formed.It is sent out that is, the oil-feed port main body being formed as one and ventilation canister portion do not have as throttle orifice
The position of function is waved, therefore is able to easily form oil-feed port main body and ventilation canister portion.
Also, the ventilation middle opening for configuring the lid as orifice element is formed in ventilation canister portion.In ventilation
Between be open it is easy to form.Thus, the oil-feed port main body and ventilation canister portion being formed as one are easily formed.
In addition, the lid as orifice element is the component that will be formed in the ventilation middle opening of ventilation canister portion and block.?
That is lid is functioned as the The lid component that middle opening blocks that will ventilate, and as the orifice element in ventilation canister portion
It functions.In this way, by the lid surplus restrictions function for the The lid component as the middle opening closure that will ventilate, Neng Gourong
It changes places in ventilation canister portion setting orifice element.
Also, in the case where crushing characteristic in ventilation line to be changed, by changing the flowpath face as throttle orifice
It accumulates to carry out.As long as at this point, seeking the sharing of the oil-feed port main body being formed as one and canister portion of ventilating and only changing lid.
Thus, it is easy to change crushing characteristic.
In addition, snorkel, filling tube can change with the movement of fuel tank, the circulation of fuel.Along with this, can be to even
It is connected to the oil-feed port main body of filling tube and is connected with the ventilation canister portion effect oil-feed port main body to be made and ventilation canister portion phase of snorkel
To mobile power.But it since the two is formed as one to have firm engaging force, can be fought using the engaging force
State power.Here, lid be will ventilate the The lid component of middle opening closure therefore will not be to the biggish load of lid application itself.Cause
And it need not firmly be engaged relative to ventilation canister portion as the lid of individual member.That is, it is not necessary to the engaging force of lid
Carry out high-precision management.
2. the second oil-feed port
Second oil-feed port of the invention includes: oil-feed port main body, is made of resin and is formed as tubular, in oil-feed port master
One end of body, which is equipped with, is inserted into the nozzle insert port of fuel nozzle, is equipped in the other end of the oil-feed port main body for filling
Pipe supplies the fuel supply mouth of fuel, and refluxing opening is equipped on the circumferential surface of the oil-feed port main body；Ventilate canister portion, be made of resin and
It is integrally formed at the outside of the circumferential surface of the oil-feed port main body, one end of the ventilation canister portion is connected with the refluxing opening, this is logical
The other end in inflator portion is connected to snorkel, and ventilation middle opening is equipped on the circumferential surface of the ventilation canister portion；And lid, it is used for
It blocks the ventilation middle opening and is configured at the inside of the ventilation canister portion, which passes through described from the ventilation middle opening
Refluxing opening extends to the inside of the oil-feed port main body.The lid will in the ventilation canister portion fluid that circulate from the reflux
Mouth is guided to the direction gone towards the fuel supply mouth.
Oil-feed port main body and ventilation canister portion are formed as one, and the lid with guiding function is relative to oil-feed port main body and ventilation
Canister portion is separately formed.It is played that is, the oil-feed port main body being formed as one and ventilation canister portion do not have as guiding piece
The position of function, therefore it is able to easily form oil-feed port main body and ventilation canister portion.
Also, the ventilation middle opening for configuring lid is formed in ventilation canister portion.Middle opening of ventilating is easy to form.Cause
And the oil-feed port main body being formed as one and ventilation canister portion are easily formed.
In addition, being the structure that will be formed in the ventilation middle opening of ventilation canister portion and block as the lid that guiding piece functions
Part.That is, lid is functioned as the The lid component that middle opening blocks that will ventilate, and as will flow in oil-feed port main body
Body is functioned from refluxing opening to the guiding piece that fuel supply mouth guides.In this way, by for as the middle opening envelope that will ventilate
The lid of stifled The lid component adds guiding function, can the circulation easily to the fluid from refluxing opening guide.
In addition, snorkel, filling tube can change with the movement of fuel tank, the circulation of fuel.Along with this, can be to even
It is connected to the oil-feed port main body of filling tube and is connected with the ventilation canister portion effect oil-feed port main body to be made and ventilation canister portion phase of snorkel
To mobile power.But it since the two is formed as one to have firm engaging force, can be fought using the engaging force
State power.Here, lid be will ventilate the The lid component of middle opening closure therefore will not be to the biggish load of lid application itself.Cause
And it need not firmly be engaged relative to ventilation canister portion as the lid of individual member.That is, it is not necessary to the engaging force of lid
Carry out high-precision management.
Detailed description of the invention
Fig. 1 is the figure of burning line.
Fig. 2 is the perspective view of the partial cross section of the oil-feed port in first embodiment.
Fig. 3 is the axial sectional view of the oil-feed port of Fig. 2.
Fig. 4 is the enlarged drawing of the part IV of Fig. 3.
Fig. 5 is the axial sectional view of the oil-feed port in second embodiment.
Fig. 6 is the enlarged drawing of the part VI of Fig. 5.
Description of symbols
1, burning line；2, fuel tank；4, fuel nozzle；11,111, oil-feed port；12, filling tube；13, ventilation line；
13c, snorkel；20, oil-feed port main body；21, nozzle insert port；22, fuel supply mouth；23, refluxing opening；24, pipe engaging portion；
30, ventilation canister portion；31, main body linking part；31a, major diameter inner peripheral surface；31b, path inner peripheral surface；31c, maximum diameter end；32, lead to
Gas interconnecting piece；33, ventilation middle opening；40, nozzle guide；60, containment member；70, holding member is sealed；80, mouth is matched
Part；90,190, lid；91,191, canister portion main body；91a, through-hole；92,192, bottom；93,193, major diameter ring portion；194, guide portion.
Specific embodiment
1. first embodiment
The structure of 1-1. burning line 1
Illustrate the structure of burning line 1 referring to Fig.1.Burning line 1 is to play internal combustion engine from oil-feed port 11 in the car
Pipeline until (not shown).But in the present embodiment, to a part as burning line 1, oil-feed port 11 and combustion
Part between hopper 2 is illustrated.
Burning line 1 includes at least fuel tank 2, the oil-feed port 11 of resin, filling tube 12 and ventilation line 13.Combustion
Hopper 2 is for storing the liquid fuels such as gasoline.The liquid fuel being stored in fuel tank 2 is supplied to internal combustion engine (not shown),
The liquid fuel is used for driving internal combustion engine.
Oil-feed port 11 is set to the proximity that can be inserted into for fuel nozzle 4 of automobile.It is equipped with not in oil-feed port 11
Diagram for oil cap.Oil-feed port 11 includes at least oil-feed port main body 20 and ventilation canister portion 30.
Filling tube 12 connects the oil-feed port main body 20 of oil-feed port 11 and fuel tank 2.Fuel feeding is inserted into oil-feed port 11
Nozzle 4, and liquid fuel is supplied from fuel nozzle 4, so that liquid fuel is stored in fuel tank 2 by filling tube 12.?
This can store liquid fuel, liquid fuel within contact when liquid fuel reaches trunkful in fuel tank 2 in filling tube 12
When the top of fuel nozzle 4, the supply (automatic hold function) of the liquid fuel carried out using fuel nozzle 4 can be automatically stopped.
Ventilation line 13 connects the ventilation canister portion 30 of fuel tank 2 and oil-feed port 11.Ventilation line 13 be for
Fuel vapo(u)r in fuel tank 2 is discharged to the pipe except fuel tank 2 by liquid fuel when supplying via filling tube 12 to fuel tank 2
Line.
Ventilation line 13 includes cutting valve gear 13a, connector 13b and snorkel 13c.Cut off valve gear 13a configuration
It, can be by the fuel vapo(u)r in fuel tank 2 to oil-feed port when cutting off valve gear 13a and being in an open state in the top of fuel tank 2
The discharge of 11 sides.Cutting off valve gear 13a includes metal connecting tube.Connector 13b is linked to the connection of cutting valve gear 13a
Pipe.Connector 13b is, for example, after the connector documented by No. 3775656 bulletins of Japanese Patent Publication No. etc. removes flow control valve
Structure etc..That is, connector 13b is set in a manner of it can load and unload relative to the connecting tube of cutting valve gear 13a
It sets.Snorkel 13c connects connector 13b and oil-feed port 11.
In addition, in fuel Fuel injection system, when fuel tank 2 reaches trunkful and automatic hold function is made to work, liquid combustion
Material is back to oil-feed port 11 via snorkel 13c from fuel tank 2.In this way, fuel vapo(u)r in Fuel injection system and when being automatically stopped
The return fuel of liquid circulate in snorkel 13c.
The structure of 1-2. oil-feed port 11
Illustrate the detailed construction of oil-feed port 11 shown in FIG. 1 referring to Fig. 2 and Fig. 3.Oil-feed port 11 includes the confession of resin
Hydraulic fluid port main body 20, the ventilation canister portion 30 of resin, the nozzle guide of resin 40, the containment member 60 of rubber system, sealing are protected
Hold the lid 90 of component 70, metal mouth accessory 80 and resin.
Oil-feed port main body 20 is made of resin and is formed as tubular.Specifically, oil-feed port main body 20 is along axially through landform
At at the both ends of oil-feed port main body 20 with opening portion.The one end (left side in Fig. 2 and Fig. 3) of oil-feed port main body 20 is located at
The another side (right side in Fig. 2 and Fig. 3) of the outer surface side of automobile, oil-feed port main body 20 is located at 2 side of fuel tank.
Oil-feed port main body 20 has the nozzle insert port 21 for being inserted into fuel nozzle 4 (shown in Fig. 1) at one end.Oil-feed port
Main body 20 has in the other end for the fuel supply mouth 22 to filling tube 12 (shown in Fig. 1) supply fuel.Also, oil-feed port master
Top or side of the body 20 near the axial center on circumferential surface are equipped with refluxing opening 23.
It also, on the outer peripheral surface of oil-feed port main body 20 and is in the position shape for leaning on 22 side of fuel supply mouth than refluxing opening 23
Cheng Youguan engaging portion 24.Pipe engaging portion 24 is formed as bamboo shoots shape, is formed as multiple concavo-convex in the axial direction.In pipe engaging portion 24
Filling tube 12 can be embedded in (shown in Fig. 1).Thus, pipe engaging portion 24 is able to suppress filling tube 12 and falls off from oil-feed port main body 20.Separately
Outside, O-ring seals (not shown) is embedded in the recess portion of pipe engaging portion 24.That is, O-ring seals by pipe engaging portion 24 with
It is sealed between filling tube 12.
Ventilation canister portion 30 is formed as tubular, and is integrally formed at the outside of the circumferential surface of oil-feed port main body 20.Ventilation canister portion 30
One end be connected to the refluxing opening 23 of oil-feed port main body 20, the other end is connected to snorkel 13c.Canister portion 30 of ventilating connects including main body
Knot 31 and ventilation interconnecting piece 32.In the present embodiment, main body linking part 31 and ventilation interconnecting piece 32 are formed as L-shaped.
Main body linking part 31 is formed as the tubular linearly extended, and is extended outward with the circumferential surface from oil-feed port main body 20
Mode formed.Especially, main body linking part 31 is configured to, from the radial direction of oil-feed port main body 20 and main body linking part 31
When extend along the orthogonal direction of axial direction relative to oil-feed port main body 20.In addition, in the present embodiment, main body linking part 31 with
The mode extended along the direction that the central axis with oil-feed port main body 20 intersects is formed.But main body linking part 31 both can be with shape
The position that Cheng Yu is staggered relative to central axis can also extend along the axially inclined direction relative to oil-feed port main body 20.
Ventilation interconnecting piece 32 is formed as the tubular linearly extended, the end bending of autonomous agent linking part 31.Ventilation connection
The internal diameter in portion 32 is formed as roughly the same with the internal diameter of main body linking part 31.In addition, in the present embodiment, interconnecting piece 32 of ventilating
It is bent in the mode substantially orthogonal with main body linking part 31.Pipe engaging portion 32a is formed in the outer peripheral surface of ventilation interconnecting piece 32.Pipe
Engaging portion 32a is formed as bamboo shoots shape, is formed as multiple concavo-convex in the axial direction.Snorkel can be embedded in pipe engaging portion 32a
13c.Thus, pipe engaging portion 32a is able to suppress snorkel 13c and falls off from ventilation interconnecting piece 32.In addition, pipe engaging portion 32a's
Recess portion is embedded with O-ring seals (not shown).That is, O-ring seals will be close between pipe engaging portion 32a and snorkel 13c
Envelope.
Also, ventilation middle opening 33 is equipped in the circumferential surface of ventilation canister portion 30.Ventilation middle opening 33 is formed in main body company
The bending position that knot 31 is connected with ventilation interconnecting piece 32.More specifically, ventilation middle opening 33 is formed in main body connection
The end of that side opposite with 23 place side of refluxing opening in portion 31.That is, main body linking part 31 is at axial both ends
Opening.Also, inner opening of the side of main body linking part 31 via refluxing opening 23 relative to oil-feed port main body 20, main body connection
The other side in portion 31 is via ventilation middle opening 33 relative to external opening.
Nozzle guide 40 is formed as tubular, for the fuel nozzle 4 being inserted into oil-feed port main body 20 (shown in Fig. 1)
It guides.It is inserted into nozzle guide 40 in oil-feed port main body 20.Nozzle guide 40 is inserted into simultaneously from 21 side of nozzle insert port
It is configured at the position that 21 side of nozzle insert port is leaned on than refluxing opening 23.
Nozzle guide 40 includes large-diameter portion 41, flange part 42 and tapering 43.Large-diameter portion 41 is shaped generally as cylindrical shape,
And it is substantially uniform with the internal diameter for the part of oil-feed port main body 20 being located near refluxing opening 23.Flange part 42 is with from large-diameter portion 41
End by 21 side of nozzle insert port is formed to the mode that radial outside extends.Flange part 42 is connected to the interior of oil-feed port main body 20
The stage portion of circumferential surface.Also, being equipped on flange part 42 and oil-feed port main body 20 being capable of mutual locking bump in the circumferential
(not shown).That is, flange part 42 is positioned at oil-feed port main body 20 with defined phase.
Tapering 43 from large-diameter portion 41 in a manner of 22 side undergauge of fuel supply mouth to form.The path opening in tapering 43 is located at
Near refluxing opening 23.Also, the path opening in tapering 43 is eccentric to the direction far from refluxing opening 23 relative to large-diameter portion 41.Also
To say, the path in tapering 43 opening largely leaves refluxing opening 23, and be located on the inner peripheral surface of oil-feed port main body 20 with
Near the face of that opposite side of 23 place side of refluxing opening.
The path opening in tapering 43 has the internal diameter more bigger than the top of fuel nozzle 4.It is incited somebody to action that is, tapering 43 has
The top of fuel nozzle 4 be open from large-diameter portion 41 to the path in tapering 43 guidance function, and have inserted with fuel nozzle 4
In the state of the function of fuel nozzle 4 is kept with stable state.
Containment member 60 is the annular component such as O-ring seals.Containment member 60 is embedded in the interior of oil-feed port main body 20
Circumferential surface, and configure in the position being in contact with the end face of sealing holding member 70.Sealing holding member 70 is configured at oil-feed port master
The position by 21 side of nozzle insert port of the inner peripheral surface of body 20, and it is configured at the position that 21 side of nozzle insert port is leaned on than containment member 60
It sets.That is, by making to seal holding member 70 and oil-feed port main body 20 grip seal component 60 in the axial direction, thus by close
Component 60 is sealed to position.
Mouth accessory 80 is formed as tubular and is installed on 21 side of nozzle insert port of oil-feed port main body 20.Mouth accessory 80 connects
The flange part 42 in nozzle guide 40 is touched, thus positions nozzle guide 40.In addition, mouth accessory 80, which has, prevents fuel feeding
The function of the oil-feed port main body 20 of the direct contact pressure resin of nozzle 4.Therefore, mouth accessory 80 includes the inner peripheral portion being formed as one
And peripheral part.
The inner peripheral portion 81 of mouth accessory 80 is located at the inner circumferential side at the position by 21 side of nozzle insert port of oil-feed port main body 20,
And it is located at the inner circumferential side of sealing holding member 70.The peripheral part 82 of mouth accessory 80 is located at being inserted by nozzle for oil-feed port main body 20
The peripheral side at the position of 21 sides of mouth.Also, the inner peripheral portion 81 of mouth accessory 80 is contacted with containment member 60, to prevent fuel certainly
It is leaked to the outside between mouth accessory 80 and oil-feed port main body 20.In addition, the inner peripheral portion 81 in mouth accessory 80 is formed with interior spiral shell
Line, so as to threadingly engage in for oil cap (not shown).
Lid 90 is formed as bottomed tube.Lid 90 blocks the ventilation middle opening 33 for canister portion 30 of ventilating, and the top of lid 90
Side section is configured at the inside of the main body linking part 31 of ventilation canister portion 30.Lid 90 is used as in the inside of ventilation canister portion 30 to be had than logical
The orifice element of the small flow path area of the flow path area in inflator portion 30 functions.
The detailed construction of 1-3. main body linking part 31 and lid 90
Next, illustrating the detailed construction of main body linking part 31 and lid 90 referring to Fig. 4.As described above, main body linking part 31
It is connected with ventilation middle opening 33 and with refluxing opening 23.The inner peripheral surface of main body linking part 31 is formed as step-like.In detail and
Speech, the inner peripheral surface of main body linking part 31 includes major diameter inner peripheral surface 31a, path inner peripheral surface 31b and maximum diameter end 31c.
Major diameter inner peripheral surface 31a is the position that ventilation 33 side of middle opening is nearby biased against positioned at the center of autonomous agent linking part 31
Inner peripheral surface.Path inner peripheral surface 31b is positioned at the interior of the central position for being nearby biased against 23 side of refluxing opening of autonomous agent linking part 31
Circumferential surface.Maximum diameter end 31c is located at the position near ventilation 33 side of middle opening, is diameter of the diameter than major diameter inner peripheral surface 31a
Big inner peripheral surface.Here, ventilation interconnecting piece 32 is connected to major diameter inner peripheral surface 31a.
As described above, lid 90 will ventilate, middle opening 33 blocks and is configured at the inside of main body linking part 31.Lid 90 includes
Canister portion main body 91, bottom 92 and major diameter ring portion 93.
Canister portion main body 91 is formed as cylindric, the tip side (that side opposite with 92 place side of bottom) of canister portion main body 91
Opening.In addition, the outer diameter of canister portion main body 91 and the internal diameter of main body linking part 31 are roughly equal.Specifically, canister portion main body 91
Outer diameter is slightly less than the diameter of the major diameter inner peripheral surface 31a of main body linking part 31 and is slightly larger than the path inner peripheral surface of main body linking part 31
31b.Especially, the outer diameter of canister portion main body 91 can be pressed into canister portion main body 91 in the degree of path inner peripheral surface 31b, relative to small
Diameter inner peripheral surface 31b is formed as major diameter.
The top of canister portion main body 91 is located at the path inner peripheral surface 31b of main body linking part 31.That is, canister portion main body 91
Top is located at the position than refluxing opening 23 by 20 outside of oil-feed port main body.Also, have on the circumferential surface of canister portion main body 91 along cylinder
The through-hole 91a of the radial perforation canister portion main body 91 of portion's main body 91.Through-hole 91a is configured at the position being connected with ventilation interconnecting piece 32
It sets.Also, the flow path area of through-hole 91a is less than the flow path area of ventilation interconnecting piece 32.That is, through-hole 91a is as throttling
Hole position functions.
The flange that one end of canister portion main body 91 is blocked and there is one end from canister portion main body 91 to radially expand by bottom 92.
The flange of bottom 92 is fused to the end face of ventilation middle opening 33 on complete cycle.
Major diameter ring portion 93 and canister portion main body 91 are coaxially configured at the periphery of the part by 92 side of bottom of canister portion main body 91
Side.The length that major diameter ring portion 93 is counted from bottom 92 is very small length.That is, compared with canister portion main body 91, major diameter
Ring portion 93 is very short.Major diameter ring portion 93 is contacted with the maximum diameter end 31c of main body linking part 31.
That is, being carried out in the state that the tip side part of canister portion main body 91 is pressed into path inner peripheral surface 31b embedding
It closes, and is fitted into the state that major diameter ring portion 93 is contacted with maximum diameter end 31c.By so set, lid 90 relative to
Main body linking part 31 is coaxially positioned.Also, by by the flange of bottom 92 be fused to ventilation middle opening 33 end face, from
And lid 90 is made integrally to be engaged in main body linking part 31.
Also, by making the through-hole 91a of canister portion main body 91 be less than the flow path area of ventilation canister portion 30, to make through-hole 91a
It is functioned as orifice element.I.e. it is capable to be carried out using lid 90 to the flow to circulate in ventilation canister portion 30
Control.
2. second embodiment
Illustrate the oil-feed port 111 of second embodiment referring to figure 5 and figure 6.Oil-feed port 111 is only in 190 this point of lid and the
The oil-feed port 11 of one embodiment is different.Therefore, only illustrate lid 190 below.
Ventilation middle opening 33 is blocked and is configured at the inside of main body linking part 31 by lid 190.Lid 190 includes canister portion main body
191, bottom 192, major diameter ring portion 193 and the guide portion 194 for blocking one end of canister portion main body 91.Canister portion main body 191, bottom
Portion 192 and major diameter ring portion 193 substantially respectively with the canister portion main body 91 of the lid 90 in first embodiment, bottom 92 and big
Diameter ring portion 93 is identical.
But the top of canister portion main body 191 passes through the inside that refluxing opening 23 extends to oil-feed port main body 20.That is,
Canister portion main body 191 configures in the overall length of main body linking part 31 in the inside of main body linking part 31, and is projected into from refluxing opening 23
The inside of oil-feed port main body 20.
Guide portion 194 is set to the tip side of canister portion main body 191, and is located at than refluxing opening 23 inside oil-feed port main body 20
Position.Guide portion 194 is positioned at the lateral area formed by 43 bias of tapering of nozzle guide 40.That is, guide portion
194 are located at the broader region in the outer region in tapering 43.Also, guide portion 194 is with to 22 side opening of fuel supply mouth
Mode formed.That is, guide portion 194 supplies the fluid to circulate in ventilation canister portion 30 from refluxing opening 23 to towards fuel
The direction guidance gone to mouth 22.
In this way, the reflux from snorkel 13c is inhibited to hinder oil-feed port main body 20 using the guide portion 194 of lid 190
The flowing of fuel.Also, when stopping supplying fuel from fuel nozzle 4, fuel can be inhibited from air funnel using guide portion 194
Retro jet of the portion 30 to 21 side of nozzle insert port (Japanese: spray I returns).
3. third embodiment
In the oil-feed port 111 of second embodiment, the canister portion main body 191 of lid 190 has through-hole 91a.The stream of through-hole 91a
Road surface product is less than the flow path area of ventilation canister portion 30.Function through-hole 91a as orifice element.In addition to this,
The flow path area of through-hole 91a can also be set as making the internal diameter of the ventilation interconnecting piece 32 of the internal diameter of through-hole 91a and ventilation canister portion 30
It is identical.In this case, lid 190 is functioned not as orifice element, and is only functioned as guiding piece.
4. the effect of embodiment
Oil-feed port 11 in first embodiment include the oil-feed port main body 20 of resin, the ventilation canister portion 30 of resin,
Lid 90, the oil-feed port 111 in second embodiment include the oil-feed port main body 20, the ventilation canister portion 30 of resin, lid of resin
190.Oil-feed port main body 20 is formed as tubular, inserts in one end of oil-feed port main body 20 equipped with the nozzle for being inserted into fuel nozzle 4
Entrance 21 is equipped with the fuel supply mouth 22 for supplying fuel to filling tube 12 in the other end of oil-feed port main body 20, in fuel feeding
The circumferential surface of mouth main body 20 is equipped with refluxing opening 23.Ventilation canister portion 30 is integrally formed at the outside of the circumferential surface of oil-feed port main body 20, makes
One end of ventilation canister portion 30 is connected with refluxing opening 23, so that the other end of ventilation canister portion 30 is connected to snorkel 13c, in air funnel
Setting ventilation middle opening 33 on the circumferential surface in portion 30.Lid 90,190 is component as following: ventilation middle opening 33 is blocked
And it is configured at the inside of ventilation canister portion 30, there is the flow path area smaller than the flow path area for canister portion 30 of ventilating, as throttle orifice structure
Part functions.
Oil-feed port main body 20 and ventilation canister portion 30 are formed as one, and the lid 90,190 as orifice element is relative to fuel feeding
Mouth main body 20 and ventilation canister portion 30 are separately formed.That is, the oil-feed port main body 20 being formed as one and ventilation canister portion 30
Without the position functioned as throttle orifice, therefore it is readily able to form oil-feed port main body 20 and ventilation canister portion 30.
Also, the ventilation middle opening for configuring the lid 90,190 as orifice element is formed in ventilation canister portion 30
33.Middle opening 33 of ventilating is easy to form.Thus, the oil-feed port main body 20 and ventilation canister portion 30 being formed as one also are easy shape
At.
In addition, the lid 90,190 as orifice element is the closure of ventilation middle opening 33 that will be formed in ventilation canister portion 30
Component.That is, lid 90,190 is functioned as the The lid component that middle opening 33 blocks that will ventilate, and as air funnel
Orifice element in portion 30 functions.In this way, by for the lid as the The lid component that middle opening 33 blocks of ventilating
90,190 surplus restrictions function is readily able to that orifice element is arranged in ventilation canister portion 30.
Also, in the case where crushing characteristic in ventilation line 13 to be changed, pass through the flow path area for changing throttle orifice
Come carry out.As long as at this point, seek the oil-feed port main body 20 being formed as one and ventilate canister portion 30 sharing and only change lid 90,
190.Thus, it is easy to change crushing characteristic.
In addition, snorkel 13c, filling tube 12 can change with the movement of fuel tank 2, the circulation of fuel.Along with this,
Oil-feed port master to be made can be acted on to the oil-feed port main body 20 for being connected with filling tube 12 and the ventilation canister portion 30 for being connected with snorkel 13c
The power that body 20 and ventilation canister portion 30 relatively move.But it since the two is formed as one have firm engaging force, utilizes
The engaging force can fight above-mentioned power.Here, lid 90,190 be will ventilate The lid component that middle opening 33 blocks therefore will not
Biggish load is applied to lid 90,190 itself.Thus, the lid 90,190 as individual member need not be relative to ventilation canister portion 30
Firmly engaged.That is, it is not necessary to which the engaging force to lid 90,190 carries out high-precision management.
In addition, ventilation canister portion 30 includes the main body linking part 31 that extends outward from the circumferential surface of oil-feed port main body 20 and autonomous
The ventilation interconnecting piece 32 that the end of body linking part 31 is bent and is connected with snorkel 13c.Middle opening 33 of ventilating is set to main body
The bending position that linking part 31 is connected with ventilation interconnecting piece 32.
By making the bending of canister portion 30 of ventilating, it is able to suppress the combustion that the reflux from snorkel 13c hinders oil-feed port main body 20
The flowing of material.Further, it is possible to inhibit fuel to be inserted into from ventilation canister portion 30 to nozzle when stopping supplying fuel from fuel nozzle 4
The retro jet of 21 sides of mouth.Here, in general, the canister portion 30 that is not easy to will to ventilate is bent.But by making 33 shape of middle opening of ventilating
At the bending position between main body linking part 31 and ventilation interconnecting piece 32, mold can be inserted into simultaneously from ventilation middle opening 33
The inner peripheral surface of main body linking part 31 is formed using the mold.Thus, the ventilation canister portion 30 easy to form being bent.
In addition, lid 90,190 is formed to have the bottomed tube of top end opening.The bottom 92,192 of lid 90,190 will ventilate
Middle opening 33 blocks.The canister portion main body 91,191 of lid 90,190, which has, to be formed on circumferential surface and radially penetrates through canister portion main body
91,191 through-hole 91a.Lid 90,190 and main body linking part 31 are coaxially configured at the inside of main body linking part 31, through-hole 91a
With the small flow path area of the flow path area than interconnecting piece 32 of ventilating, and it is configured at the position being connected with ventilation interconnecting piece 32.
It is very easy for forming the through-hole 91a functioned as throttle orifice in canister portion main body 91,191.Thus, logical
It is very easy that inflator portion 30, which is configured as the lid 90,190 of orifice element,.
In addition, the tip side part of lid 90,190 is fitted into the state for being contacted with the inner peripheral surface of main body linking part 31.
Here, the fluid of reflux will not be from around the tip side part of lid 90,190 to refluxing opening 23 in the inside of ventilation canister portion 30
Effluent is logical, but can be reliably in the internal circulation of lid 90,190.If that is, the fluid to flow back in ventilation interconnecting piece 32
Not by through-hole 91a, would not circulate to refluxing opening 23.Thus, it is possible to reliably play the section of through-hole 91a as design value
Flow effect.
In addition, the root side of lid 90,190 is configured in a manner of having gap between the inner peripheral surface of main body linking part 31.
That is, only a part of the canister portion main body 91,191 of lid 90,190 is embedded in the inner peripheral surface of main body linking part 31.Thus, lid
90, it 190 is easier to relative to the assembling of main body linking part 31, the tip side part of lid 90,190 can be made reliably to be embedded in master
Body linking part 31.
In addition, second embodiment, third embodiment oil-feed port 111 in, lid 190 is logical from ventilation middle opening 33
Cross the inside that refluxing opening 23 extends to oil-feed port main body 20.Also, lid 190 flows back the fluid to circulate in ventilation canister portion 30 certainly
Mouth 23 is guided to the direction gone towards fuel supply mouth 22.
In this way, oil-feed port main body 20 and ventilation canister portion 30 are formed as one, the lid 190 with guiding function is relative to fuel feeding
Mouth main body 20 and ventilation canister portion 30 are separately formed.That is, the oil-feed port main body 20 being formed as one and ventilation canister portion 30
Without the position functioned as guiding piece, therefore it is readily able to form oil-feed port main body 20 and ventilation canister portion 30.
In addition, being 33 envelope of ventilation middle opening that will be formed in ventilation canister portion 30 as the lid 190 that guiding piece functions
Stifled component.That is, lid 190 is functioned as the The lid component that middle opening 33 blocks that will ventilate, and as oil-feed port
Fluid being functioned from refluxing opening 23 to the guiding piece that fuel supply mouth 22 guides in main body 20.In this way, by for work
The lid 190 of The lid component to block ventilation middle opening 33 adds guiding function, can be easily to from refluxing opening 23
The circulation of fluid guides.
Also, middle opening 33 of ventilating is set to the bending position that main body linking part 31 is connected with interconnecting piece 32 of ventilating.And
And the lid 190 functioned as guiding piece configures in the overall length of main body linking part 31 in the inside of main body linking part 31, and
The inside of oil-feed port main body 20 is projected into from refluxing opening 23.The ventilation canister portion 30 being bent is formed as a result, and lid can be installed
190。
Claims (8)
1. a kind of oil-feed port (11,111), wherein
The oil-feed port (11,111) includes:
Oil-feed port main body (20), is made of resin and is formed as tubular, and being equipped in one end of the oil-feed port main body (20) can insert
The nozzle insert port (21) for entering fuel nozzle (4) is equipped in the other end of the oil-feed port main body (20) for filling tube (12)
The fuel supply mouth (22) for supplying fuel is equipped with refluxing opening (23) on the circumferential surface of the oil-feed port main body (20)；
It ventilates canister portion (30), is made of resin and is integrally formed at the outside of the circumferential surface of the oil-feed port main body (20), the ventilation
One end of canister portion (30) is connected with the refluxing opening (23), and the other end of the ventilation canister portion (30) is connected to snorkel (13c),
Ventilation middle opening (33) is equipped on the circumferential surface of the ventilation canister portion (30)；And
It covers (90,190), orifice element is used as, for blocking the ventilation middle opening (33) and being configured at the ventilation
The inside of canister portion (30), the lid (90,190) have the flow path area smaller than the flow path area of ventilation canister portion (30).
2. oil-feed port (11,111) according to claim 1, wherein
The ventilation canister portion (30) includes:
Main body linking part (31) extends outward from the circumferential surface of the oil-feed port main body (20)；With
It ventilates interconnecting piece (32), is connected from the bending of the end of the main body linking part (31) and with the snorkel (13c),
The ventilation middle opening (33) is connected set on the main body linking part (31) with the ventilation interconnecting piece (32) curved
Bent position.
3. oil-feed port (11,111) according to claim 2, wherein
The lid (90,190) is formed to have the bottomed tube of top end opening,
The bottom (92,192) of the lid (90,190) is used to block the ventilation middle opening (33),
The canister portion (91,191) of the lid (90,190), which has, to be formed on circumferential surface and radially penetrates through the logical of canister portion (91,191)
Hole (91a),
The lid (90,190) and the main body linking part (31) are coaxially configured at the inside of the main body linking part (31),
The through-hole (91a) has the small flow path area of flow path area than ventilation interconnecting piece (32), and is configured at and institute
State the position that ventilation interconnecting piece (32) is connected.
4. oil-feed port (11,111) according to claim 3, wherein
The tip side part of the lid (90,190) is embedding with the state progress for being contacted with the inner peripheral surface of the main body linking part (31)
It closes.
5. oil-feed port (11,111) according to claim 4, wherein
The root side section of the lid (90,190) is to have the side in gap between the inner peripheral surface of the main body linking part (31)
Formula configuration.
6. oil-feed port (111) according to any one of claim 1 to 5, wherein
The lid (190) extends to the oil-feed port main body by the refluxing opening (23) from the ventilation middle opening (33)
(20) inside,
Fluid that the lid (190) will be circulated in ventilation canister portion (30) is from the refluxing opening (23) to towards the fuel
The direction guidance that supply mouth (22) is gone.
7. a kind of oil-feed port (111), wherein
The oil-feed port (111) includes:
Oil-feed port main body (20), is made of resin and is formed as tubular, and being equipped in one end of the oil-feed port main body (20) can insert
The nozzle insert port (21) for entering fuel nozzle (4) is equipped in the other end of the oil-feed port main body (20) for filling tube (12)
The fuel supply mouth (22) for supplying fuel is equipped with refluxing opening (23) on the circumferential surface of the oil-feed port main body (20)；
It ventilates canister portion (30), is made of resin and is integrally formed at the outside of the circumferential surface of the oil-feed port main body (20), the ventilation
One end of canister portion (30) is connected with the refluxing opening (23), and the other end of the ventilation canister portion (30) is connected to snorkel (13c),
Ventilation middle opening (33) is equipped on the circumferential surface of the ventilation canister portion (30)；And
It covers (190), be used to block ventilation middle opening (33) and be configured at the inside of ventilation canister portion (30), the lid
(190) inside of the oil-feed port main body (20) is extended to by the refluxing opening (23) from ventilation middle opening (33),
Fluid that the lid (190) will be circulated in ventilation canister portion (30) is from the refluxing opening (23) to towards the fuel
The direction guidance that supply mouth (22) is gone.
8. oil-feed port (111) according to claim 7, wherein
The ventilation canister portion (30) includes:
Main body linking part (31) extends outward from the circumferential surface of the oil-feed port main body (20)；With
It ventilates interconnecting piece (32), is connected from the bending of the end of the main body linking part (31) and with the snorkel (13c),
The ventilation middle opening (33) is connected set on the main body linking part (31) with the ventilation interconnecting piece (32) curved
Bent position,
The lid (190) configures in the overall length of the main body linking part (31) in the inside of the main body linking part (31), and
The inside of the oil-feed port main body (20) is projected into from the refluxing opening (23).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016035143A JP6585522B2 (en) | 2016-02-26 | 2016-02-26 | Refueling port |
| JP2016-035143 | 2016-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107128167A CN107128167A (en) | 2017-09-05 |
| CN107128167B true CN107128167B (en) | 2019-05-31 |
Family
ID=59721848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069315.5A Active CN107128167B (en) | 2016-02-26 | 2017-02-08 | Oil-feed port |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6585522B2 (en) |
| CN (1) | CN107128167B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020090165A (en) * | 2018-12-05 | 2020-06-11 | 本田技研工業株式会社 | Refueling device |
| JP7282658B2 (en) * | 2019-11-27 | 2023-05-29 | 愛三工業株式会社 | Fuel passage sealing structure for fuel supply device |
| JP7364458B2 (en) * | 2019-12-23 | 2023-10-18 | 住友理工株式会社 | Resin filler tube and its manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765504A (en) * | 1987-08-31 | 1988-08-23 | General Motors Corporation | Vapor venting valve for vehicle fuel system |
| US4836835A (en) * | 1986-03-31 | 1989-06-06 | Stant Inc. | Vacuum-actuated vapor recovery system |
| US5186220A (en) * | 1990-07-04 | 1993-02-16 | Blau Kg | Filling nipple for a fuel tank |
| CN202827127U (en) * | 2012-09-25 | 2013-03-27 | 扬州华光橡塑新材料有限公司 | Gasoline car oil feeding port device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542979Y2 (en) * | 1975-02-24 | 1980-10-08 | ||
| JPH06227270A (en) * | 1993-02-05 | 1994-08-16 | Toyota Motor Corp | Earth structure of fuel tank for car |
| JP3508331B2 (en) * | 1995-10-11 | 2004-03-22 | 日産自動車株式会社 | Fuel tank device |
| JP4482806B2 (en) * | 2004-08-31 | 2010-06-16 | 豊田合成株式会社 | Flow control valve |
| US7617851B2 (en) * | 2004-05-28 | 2009-11-17 | Ti Group Automotive Systems, L.L.C. | Refueling vapor recovery system |
| DE102011009745B4 (en) * | 2011-01-28 | 2012-09-13 | Kautex Textron Gmbh & Co. Kg | Filler neck for a secondary fluid tank |
| US9045038B2 (en) * | 2011-12-22 | 2015-06-02 | Eaton Corporation | Liquid trap with integral jet pump |
| JP5974780B2 (en) * | 2012-09-28 | 2016-08-23 | 豊田合成株式会社 | Filler neck |
| DE102014104822A1 (en) * | 2014-04-04 | 2015-10-08 | Veritas Ag | Filling head for a liquid tank |
-
2016
- 2016-02-26 JP JP2016035143A patent/JP6585522B2/en active Active
-
2017
- 2017-02-08 CN CN201710069315.5A patent/CN107128167B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836835A (en) * | 1986-03-31 | 1989-06-06 | Stant Inc. | Vacuum-actuated vapor recovery system |
| US4765504A (en) * | 1987-08-31 | 1988-08-23 | General Motors Corporation | Vapor venting valve for vehicle fuel system |
| US5186220A (en) * | 1990-07-04 | 1993-02-16 | Blau Kg | Filling nipple for a fuel tank |
| CN202827127U (en) * | 2012-09-25 | 2013-03-27 | 扬州华光橡塑新材料有限公司 | Gasoline car oil feeding port device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017149341A (en) | 2017-08-31 |
| CN107128167A (en) | 2017-09-05 |
| JP6585522B2 (en) | 2019-10-02 |
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