CN107128167A - Oil-feed port - Google Patents
Oil-feed port Download PDFInfo
- Publication number
- CN107128167A CN107128167A CN201710069315.5A CN201710069315A CN107128167A CN 107128167 A CN107128167 A CN 107128167A CN 201710069315 A CN201710069315 A CN 201710069315A CN 107128167 A CN107128167 A CN 107128167A
- Authority
- CN
- China
- Prior art keywords
- main body
- oil
- feed port
- lid
- air funnel
- 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.)
- Granted
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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
-
- 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
Landscapes
- 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 in the case where being integrally formed oil-feed port main body and air funnel portion using resin to the fluid flowed back from breather pipe.Resinous oil-feed port main body is formed as tubular, the nozzle insert port for being inserted into fuel nozzle is provided with one end of the oil-feed port main body, the fuel supply mouth for being used for that fuel to be supplied to filling tube is provided with the other end of the oil-feed port main body, refluxing opening is provided with the side face of the oil-feed port main body.Resinous air funnel portion is integrally formed at the outside of the side face of oil-feed port main body, and the one end in the air funnel portion is connected with refluxing opening, and the other end in the air funnel portion is connected to breather pipe, provided with ventilation middle opening on the side face in the air funnel portion.Lid is component as following：For blocking ventilation middle opening and being configured at the inside in air funnel portion, with the small flow path area of the flow path area than air funnel portion, orifice element function is used as.
Description
Technical field
The present invention relates to a kind of oil-feed port.
Background technology
The filling tube being connected with fuel tank is connected with the fuel supply mouth of automobile and supplies fuel vapo(u)r (vapour) certainly
The breather pipe of fuel tank backflow.That is, in fuel supply, by the fuel vapo(u)r that makes to flow back via breather pipe from fuel feeding
The nozzle insert port of mouth flows out to outside, so as to be adjusted to the pressure in fuel tank, to store desired in fuel tank
Fuel.
In patent document 1 and patent document 2 record, in order to the flow circulated in breather pipe is adjusted and
Breather pipe sets throttle orifice.Throttle orifice described in patent document 1 is by making formed by breather pipe undergauge itself.Patent text
Offer the inside that the throttle orifice described in 2 is configured at breather pipe.In addition, in patent document 2, for the combustion that will be flowed back from breather pipe
Expect that steam guides to filling tube side and is provided with the guiding elements such as plate, pipe.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-335691 publications
Patent document 2：No. 3508331 publications of Japanese Patent Publication No.
The content of the invention
Problems to be solved by the invention
In recent years, the resinification of oil-feed port is being promoted, fuel nozzle and the position for connecting filling tube is inserted into
(oil-feed port main body) and formed as one for the position (air funnel portion) for connecting breather pipe using resin.From the viewpoint of formability
Consider, be not easy to as described in Patent Document 1, in position (air funnel portion) shape for being used to connect breather pipe of oil-feed port
Into throttle orifice.In addition, being also not easy as described in patent document 2, the throttle orifice as individual member is built in fuel feeding
The position (air funnel portion) for being used to connect breather pipe of mouth.Also, in the situation in integrally formed oil-feed port main body and air funnel portion
Under, it is difficult to the guiding tube being continuously formed with air funnel portion described in integrally formed patent document 2.
It is an object of the present invention to provide a kind of be integrally formed the feelings of oil-feed port main body and air funnel portion using resin
The oil-feed port that the fluid flowed back from breather pipe can be controlled under condition.
The solution used to solve the problem
1. the first oil-feed port
The first oil-feed port of the present invention includes：Oil-feed port main body, it is resin-made and is formed as tubular, in oil-feed port master
One end of body is provided with the nozzle insert port for being inserted into fuel nozzle, and being provided with the other end of the oil-feed port main body is used for filling
Pipe supplies the fuel supply mouth of fuel, and refluxing opening is provided with the side face of the oil-feed port main body；Air funnel portion, its be resin-made and
The outside of the side face of the oil-feed port main body is integrally formed at, the one end in the air funnel portion is connected with the refluxing opening, this leads to
The other end in inflator portion is connected to breather pipe, provided with ventilation middle opening on the side face in the air funnel portion；And lid, its conduct
Orifice element, for blocking the inside ventilated middle opening and be configured at the air funnel portion, the lid has than described
The small flow path area of the flow path area in air funnel portion.
Oil-feed port main body and air funnel portion form as one, as the lid of orifice element relative to oil-feed port main body and logical
Inflator portion is separately formed.Sent out that is, the oil-feed port main body formed as one and air funnel portion do not have as throttle orifice
The position of function is waved, therefore, it is possible to be readily formed oil-feed port main body and air funnel portion.
Also, it is formed with air funnel portion for configuring the ventilation middle opening as the lid of orifice element.In ventilation
Between be open easily formed.Thus, the oil-feed port main body and air funnel portion formed as one is easily formed.
In addition, being the component for the ventilation middle opening closure that will be formed in air funnel portion as the lid of orifice element.
That is, cover as the The lid component function for blocking middle opening of ventilating, and be used as the orifice element in air funnel portion
Function.So, by for the lid surplus restrictions function as the The lid component for blocking middle opening of ventilating, Neng Gourong
Change places and orifice element is set in air funnel portion.
Also, in the case of the crushing characteristic in ventilation line to be changed, by changing the flowpath face as throttle orifice
Accumulate to carry out.Now, as long as seeking the sharing in the oil-feed port main body and air funnel portion formed as one and only changing lid.
Thus, easily change crushing characteristic.
In addition, with the movement of fuel tank, the circulation of fuel, breather pipe, filling tube can change.Accompany with this, can be to even
The oil-feed port main body for being connected to filling tube and the air funnel portion for being connected with breather pipe act on oil-feed port main body to be made and air funnel portion phase
To mobile power.But, because both form as one so as to have firm engaging force, it can be resisted using the engaging force
State power.Here, lid is by the The lid component for middle opening closure of ventilating, therefore, larger load will not be applied in itself to lid.Cause
And, need not firmly it be engaged relative to air funnel 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
The second oil-feed port of the present invention includes：Oil-feed port main body, it is resin-made and is formed as tubular, in oil-feed port master
One end of body is provided with the nozzle insert port for being inserted into fuel nozzle, and being provided with the other end of the oil-feed port main body is used for filling
Pipe supplies the fuel supply mouth of fuel, and refluxing opening is provided with the side face of the oil-feed port main body；Air funnel portion, its be resin-made and
The outside of the side face of the oil-feed port main body is integrally formed at, the one end in the air funnel portion is connected with the refluxing opening, this leads to
The other end in inflator portion is connected to breather pipe, provided with ventilation middle opening on the side face in the air funnel portion；And lid, it is used for
The closure ventilation middle opening and the inside for being configured at the air funnel portion, the lid pass through described from the ventilation middle opening
Refluxing opening extends to the inside of the oil-feed port main body.The lid will the fluid that is circulated in the air funnel portion from the backflow
Mouth is guided to the direction gone towards the fuel supply mouth.
Oil-feed port main body and air funnel portion form as one, and the lid with guiding function is relative to oil-feed port main body and ventilation
Cylinder portion is separately formed.Played that is, the oil-feed port main body formed as one and air funnel portion do not have as guiding piece
The position of function, therefore, it is possible to be readily formed oil-feed port main body and air funnel portion.
Also, the ventilation middle opening for configuring lid is formed with air funnel portion.Ventilation middle opening is easily formed.Cause
And, the oil-feed port main body and air funnel portion formed as one is easily formed.
In addition, being the structure for the ventilation middle opening closure that will be formed in air funnel portion as the lid of guiding piece function
Part.That is, lid is as the The lid component function for blocking middle opening of ventilating, and it is used as will flow in oil-feed port main body
The guiding piece function that body is guided from refluxing opening to fuel supply mouth.So, by sealing ventilation middle opening for being used as
The additional guiding function of lid of stifled The lid component, circulation that can be easily to the fluid from refluxing opening is guided.
In addition, with the movement of fuel tank, the circulation of fuel, breather pipe, filling tube can change.Accompany with this, can be to even
The oil-feed port main body for being connected to filling tube and the air funnel portion for being connected with breather pipe act on oil-feed port main body to be made and air funnel portion phase
To mobile power.But, because both form as one so as to have firm engaging force, it can be resisted using the engaging force
State power.Here, lid is by the The lid component for middle opening closure of ventilating, therefore, larger load will not be applied in itself to lid.Cause
And, need not firmly it be engaged relative to air funnel portion as the lid of individual member.That is, it is not necessary to the engaging force of lid
Carry out high-precision management.
Brief description of the drawings
Fig. 1 is the figure of burning line.
Fig. 2 is the stereogram of the partial cross section of the oil-feed port in first embodiment.
Fig. 3 is the axial sectional view of Fig. 2 oil-feed port.
Fig. 4 is the enlarged drawing of Fig. 3 IV parts.
Fig. 5 is the axial sectional view of the oil-feed port in second embodiment.
Fig. 6 is the enlarged drawing of Fig. 5 VI parts.
Description of reference numerals
1st, burning line；2nd, fuel tank；4th, fuel nozzle；11st, 111, oil-feed port；12nd, filling tube；13rd, ventilation line；
13c, breather pipe；20th, oil-feed port main body；21st, nozzle insert port；22nd, fuel supply mouth；23rd, refluxing opening；24th, pipe engaging portion；
30th, air funnel portion；31st, main body linking part；31a, big footpath inner peripheral surface；31b, path inner peripheral surface；31c, maximum diameter end；32nd, lead to
Gas connecting portion；33rd, ventilation middle opening；40th, nozzle guide；60th, containment member；70th, holding member is sealed；80th, mouth is matched somebody with somebody
Part；90th, 190, lid；91st, 191, cylinder portion main body；91a, through hole；92nd, 192, bottom；93rd, 193, big footpath ring portion；194th, guide portion.
Embodiment
1. first embodiment
The structure of 1-1. burning lines 1
Reference picture 1 illustrates the structure of burning line 1.Burning line 1 is to play internal combustion engine from oil-feed port 11 in the car
Pipeline untill (not shown).But, in the present embodiment, to being used as a part of burning line 1, oil-feed port 11 and combustion
Part between hopper 2 is illustrated.
Burning line 1 at least includes fuel tank 2, resinous oil-feed port 11, filling tube 12 and ventilation line 13.Combustion
Hopper 2 is used to store 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.
The proximity that can for fuel nozzle 4 insert of the oil-feed port 11 located at automobile.It is provided with not in oil-feed port 11
The fuel feeding lid of diagram.Oil-feed port 11 at least includes oil-feed port main body 20 and air funnel portion 30.
Filling tube 12 connects the oil-feed port main body 20 and fuel tank 2 of oil-feed port 11.Fuel feeding is inserted to 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, when liquid fuel reaches trunkful in fuel tank 2, can store liquid fuel, liquid fuel within contact in filling tube 12
During 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 air funnel portion 30 of fuel tank 2 and oil-feed port 11.Ventilation line 13 is to be used for
Fuel vapo(u)r in fuel tank 2 is discharged to the pipe outside fuel tank 2 by liquid fuel when being supplied via filling tube 12 to fuel tank 2
Line.
Ventilation line 13 includes cut-out valve gear 13a, connector 13b and breather pipe 13c.Cut off valve gear 13a configurations
, can be by the fuel vapo(u)r in fuel tank 2 to oil-feed port when it is open mode to cut off valve gear 13a in the top of fuel tank 2
Discharge 11 sides.Cutting off valve gear 13a includes metal connecting tube.Connector 13b is linked to cut-out valve gear 13a connection
Pipe.Connector 13b is, for example, to remove from the connector described in No. 3775656 publications of Japanese Patent Publication No. etc. after flow control valve
Structure etc..That is, connector 13b is set in the way of connecting tube handling that can be relative to cut-out valve gear 13a
Put.Breather pipe 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 worked, liquid combustion
Material is back to oil-feed port 11 from fuel tank 2 via breather pipe 13c.So, the fuel vapo(u)r in Fuel injection system and when being automatically stopped
The return fuel of liquid circulated in breather pipe 13c.
The structure of 1-2. oil-feed ports 11
Reference picture 2 and Fig. 3 illustrate the detailed construction of the oil-feed port 11 shown in Fig. 1.Oil-feed port 11 includes resinous supply
Hydraulic fluid port main body 20, resinous air funnel portion 30, resinous nozzle guide 40, the containment member 60 of rubber system, sealing are protected
Hold component 70, metal mouth accessory 80 and resinous lid 90.
Oil-feed port main body 20 is resin-made and is formed as tubular.Specifically, the insertion landform vertically of oil-feed port main body 20
Into there is opening portion at the two ends of oil-feed port main body 20.A side (left side in Fig. 2 and Fig. 3) for oil-feed port main body 20 is located at
The outer surface side of automobile, the another side (right side in Fig. 2 and Fig. 3) of oil-feed port main body 20 is located at the side of fuel tank 2.
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 the fuel supply mouth 22 for being used for that fuel to be supplied to filling tube 12 (shown in Fig. 1) in the other end.Also, oil-feed port master
Top or side of the body 20 near the axially center on side face are provided with refluxing opening 23.
Also, on the outer peripheral face of oil-feed port main body 20 and it is that the position shape of the side of fuel supply mouth 22 is being leaned on than refluxing opening 23
Cheng Youguan engaging portions 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 can suppress filling tube 12 and be come off from oil-feed port main body 20.Separately
Outside, O-ring seals (not shown) are embedded with the recess of pipe engaging portion 24.That is, O-ring seals by pipe engaging portion 24 with
Sealed between filling tube 12.
Air funnel portion 30 is formed as tubular, and is integrally formed at the outside of the side face of oil-feed port main body 20.Air funnel portion 30
One end be connected to the refluxing opening 23 of oil-feed port main body 20, the other end is connected to breather pipe 13c.Air funnel portion 30 connects including main body
Knot 31 and ventilation connecting portion 32.In the present embodiment, main body linking part 31 and ventilation connecting portion 32 are formed as L-shaped.
Main body linking part 31 is formed as the tubular point-blank extended, and is extended laterally with the side face from oil-feed port main body 20
Mode formed.Especially, main body linking part 31 is configured to, from oil-feed port main body 20 and the radial direction of main body linking part 31
When extend along the direction orthogonal relative to the axial direction of oil-feed port main body 20.In addition, in the present embodiment, main body linking part 31 with
The mode of the direction extension intersected along the central axis with oil-feed port main body 20 is formed.But, main body linking part 31 both can be with shape
Cheng Yu can also extend relative to the position that central axis staggers along the axially inclined direction relative to oil-feed port main body 20.
Ventilation connecting portion 32 is formed as the tubular point-blank 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, connecting portion 32 of ventilating
Bent in the way of being substantially orthogonal with main body linking part 31.Pipe engaging portion 32a is formed with the outer peripheral face of ventilation connecting portion 32.Pipe
Engaging portion 32a is formed as bamboo shoots shape, is formed as multiple concavo-convex in the axial direction.Breather pipe can be embedded in pipe engaging portion 32a
13c.Thus, pipe engaging portion 32a can suppress breather pipe 13c and be come off from connecting portion 32 of ventilating.In addition, pipe engaging portion 32a's
Recess is embedded with O-ring seals (not shown).That is, O-ring seals will be close between pipe engaging portion 32a and breather pipe 13c
Envelope.
Also, the side face in air funnel portion 30 is provided with ventilation middle opening 33.Ventilation middle opening 33 is formed at main body company
The bending position that knot 31 is connected with ventilation connecting portion 32.More specifically, ventilation middle opening 33 is formed at main body link
The end of that side opposite with the place side of refluxing opening 23 in portion 31.That is, two ends of the main body linking part 31 in axial direction
Opening.Also, inside opening of the side of main body linking part 31 via refluxing opening 23 relative to oil-feed port main body 20, main body links
The opposite side in portion 31 is via ventilation middle opening 33 relative to outside opening.
Nozzle guide 40 is formed as tubular, for the fuel nozzle 4 to being inserted into oil-feed port main body 20 (shown in Fig. 1)
Guide.It is inserted into nozzle guide 40 in oil-feed port main body 20.Nozzle guide 40 is inserted simultaneously from the side of nozzle insert port 21
It is configured at the position that the side of nozzle insert port 21 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 of the part being located near refluxing opening 23 of oil-feed port main body 20.Flange part 42 is with from large-diameter portion 41
The mode extended by the end of the side of nozzle insert port 21 to radial outside is formed.Flange part 42 is connected to the interior of oil-feed port main body 20
The stage portion of side face.Also, provided with being capable of mutual locking jog in the circumferential on flange part 42 and oil-feed port main body 20
(not shown).That is, flange part 42 is positioned at oil-feed port main body 20 with defined phase.
Tapering 43 is formed by from large-diameter portion 41 in the way of the side undergauge of fuel supply mouth 22.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 away from refluxing opening 23 relative to large-diameter portion 41.Also
To say, the path opening in tapering 43 largely leaves refluxing opening 23, and on the inner peripheral surface of oil-feed port main body 20 with
Near the face of that opposite side of the place side of refluxing opening 23.
The path opening in tapering 43 has the internal diameter more bigger than the top of fuel nozzle 4.Be tod that is, tapering 43 has
The function of path opening guiding of the top of fuel nozzle 4 from large-diameter portion 41 to tapering 43, and with 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
Side face, and configure with sealing the position that the end face of holding member 70 is in contact.Sealing holding member 70 is configured at oil-feed port master
The position by the side of nozzle insert port 21 of the inner peripheral surface of body 20, and it is configured at the position that the side of nozzle insert port 21 is leaned on than containment member 60
Put.That is, by making sealing holding member 70 and oil-feed port main body 20 grip seal component 60 in the axial direction, so that will be close
Envelope component 60 is positioned.
Mouth accessory 80 is formed as tubular and is installed on the side of nozzle insert port 21 of oil-feed port main body 20.Mouth accessory 80 connects
The flange part 42 in nozzle guide 40 is touched, thus nozzle guide 40 is positioned.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 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 the side of nozzle insert port 21 of oil-feed port main body 20,
And positioned 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 outer circumferential 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, so as to prevent fuel certainly
To External leakage 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 fuel feeding lid (not shown).
Lid 90 is formed as bottomed tube.Lid 90 blocks the ventilation middle opening 33 in air funnel portion 30, and the top of lid 90
Sidepiece distribution is placed in the inside of the main body linking part 31 in air funnel portion 30.Lid 90 air funnel portion 30 inside as with than logical
The orifice element function of the small flow path area of the flow path area in inflator portion 30.
The detailed construction of 1-3. main bodys linking part 31 and lid 90
Next, reference picture 4 illustrates the detailed construction of main body linking part 31 and lid 90.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 big footpath inner peripheral surface 31a, path inner peripheral surface 31b and maximum diameter end 31c.
Big footpath inner peripheral surface 31a is the position that ventilation middle opening 33 side 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 the side of refluxing opening 23 of autonomous agent linking part 31
Side face.Maximum diameter end 31c is located at the position most by ventilation middle opening 33 side, is diameter of the diameter than big footpath inner peripheral surface 31a
Big inner peripheral surface.Here, ventilation connecting portion 32 is connected to big footpath 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
Cylinder portion main body 91, bottom 92 and big footpath ring portion 93.
Cylinder portion main body 91 is formed as cylindric, the tip side (that side opposite with the place side of bottom 92) of cylinder portion main body 91
Opening.In addition, the internal diameter of the external diameter and main body linking part 31 of cylinder portion main body 91 is roughly equal.Specifically, cylinder portion main body 91
External diameter is slightly less than the big footpath inner peripheral surface 31a of main body linking part 31 diameter and slightly larger than the path inner peripheral surface of main body linking part 31
31b.Especially, the external diameter of cylinder portion main body 91 can be pressed into path inner peripheral surface 31b degree, relative to small with cylinder portion main body 91
Footpath inner peripheral surface 31b is formed as big footpath.
The top of cylinder portion main body 91 is located at the path inner peripheral surface 31b of main body linking part 31.That is, cylinder portion main body 91
Top is located at the position by the outside of oil-feed port main body 20 than refluxing opening 23.Also, have on the side face of cylinder portion main body 91 along cylinder
The through hole 91a of the radial direction insertion cylinder portion main body 91 of portion's main body 91.Through hole 91a is configured at the position being connected with ventilation connecting portion 32
Put.Also, through hole 91a flow path area is less than the flow path area of ventilation connecting portion 32.That is, through hole 91a is used as throttling
Hole portion position function.
The flange that one end of cylinder portion main body 91 is blocked and there is one end from cylinder 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.
Big footpath ring portion 93 is coaxially configured at the periphery of the part by the side of bottom 92 of portion's main body 91 with cylinder portion main body 91
Side.The length that big footpath ring portion 93 is counted from bottom 92 is very small length.That is, compared with cylinder portion main body 91, big footpath
Ring portion 93 is very short.Big footpath 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 of path inner peripheral surface 31b is pressed into the tip side part of cylinder portion main body 91 embedding
Close, and be fitted together in the state of big footpath ring portion 93 is contacted with maximum diameter end 31c.By being arranged such, lid 90 relative to
Main body linking part 31 is coaxially positioned.Also, by the way that the flange of bottom 92 to be fused to the end face of ventilation middle opening 33, from
And lid 90 is integratedly engaged in main body linking part 31.
Also, by making the through hole 91a of portion's main body 91 be less than the flow path area in air funnel portion 30, so that through hole 91a
It is used as orifice element function.I.e. it is capable to be carried out using lid 90 to the flow circulated in air funnel portion 30
Control.
2. second embodiment
Reference picture 5 and Fig. 6 illustrate the oil-feed port 111 of second embodiment.Oil-feed port 111 is only in this point of lid 190 and the
The oil-feed port 11 of one embodiment is different.Therefore, lid 190 is only illustrated 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 cylinder portion main body
191st, bottom 192, big footpath ring portion 193 and the guide portion 194 for blocking one end of cylinder portion main body 91.Cylinder portion main body 191, bottom
Portion 192 and big footpath ring portion 193 substantially respectively with the cylinder portion main body 91 of the lid 90 in first embodiment, bottom 92 and big
Footpath ring portion 93 is identical.
But, the top of cylinder portion main body 191 extends to the inside of oil-feed port main body 20 through refluxing opening 23.That is,
Cylinder portion main body 191 is configured in the total 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 located at the tip side of cylinder portion main body 191, and is leaned on positioned at than refluxing opening 23 inside oil-feed port main body 20
Position.Guide portion 194 is located at the exterior lateral area as formed by the bias of tapering 43 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 the side opening of fuel supply mouth 22
Mode formed.That is, guide portion 194 supplies the fluid circulated in air funnel portion 30 from refluxing opening 23 to towards fuel
The direction guiding gone to mouth 22.
So, suppress the backflow from breather pipe 13c using the guide portion 194 of lid 190 and hinder oil-feed port main body 20
The flowing of fuel.Also, when stopping supplying fuel from fuel nozzle 4, fuel can be suppressed using guide portion 194 from air funnel
Retro jet (Japanese from portion 30 to the side of nozzle insert port 21：Spray I returns).
3. the 3rd embodiment
In the oil-feed port 111 of second embodiment, the cylinder portion main body 191 of lid 190 has through hole 91a.Through hole 91a stream
Flow path area of the road surface product less than air funnel portion 30.Thus through hole 91a is made as orifice element function.In addition,
Through hole 91a flow path area can also be set to make the internal diameter of through hole 91a internal diameter and the ventilation connecting portion 32 in air funnel portion 30
It is identical.In this case, lid 190 is not as orifice element function, and only as guiding piece function.
4. the effect of embodiment
Oil-feed port 11 in first embodiment include resinous oil-feed port main body 20, resinous air funnel portion 30,
Oil-feed port 111 in lid 90, second embodiment includes resinous oil-feed port main body 20, resinous air funnel portion 30, lid
190.Oil-feed port main body 20 is formed as tubular, is inserted in one end of oil-feed port main body 20 provided with the nozzle for being inserted into fuel nozzle 4
Entrance 21, the fuel supply mouth 22 for being used for that fuel to be supplied to filling tube 12 is provided with the other end of oil-feed port main body 20, in fuel feeding
The side face of mouth main body 20 is provided with refluxing opening 23.Air funnel portion 30 is integrally formed at the outside of the side face of oil-feed port main body 20, makes
The one end in air funnel portion 30 is connected with refluxing opening 23, the other end in air funnel portion 30 is connected to breather pipe 13c, in air funnel
Ventilation middle opening 33 is set on the side face in portion 30.Lid 90,190 is component as following：Ventilation middle opening 33 is blocked
And the inside in air funnel portion 30 is configured at, the small flow path area of the flow path area with than air funnel portion 30 is used as throttle orifice structure
Part function.
Oil-feed port main body 20 and air funnel portion 30 form as one, as the lid 90,190 of orifice element relative to fuel feeding
Mouth main body 20 and air funnel portion 30 are separately formed.That is, the oil-feed port main body 20 formed as one and air funnel portion 30
Without the position as throttle orifice function, therefore, it is possible to be easily formed oil-feed port main body 20 and air funnel portion 30.
Also, the ventilation middle opening for configuring the lid 90,190 as orifice element is formed with air funnel portion 30
33.Middle opening 33 of ventilating easily is formed.Thus, the oil-feed port main body 20 formed as one and air funnel portion 30 also easy shape
Into.
In addition, being that the ventilation middle opening 33 that will be formed in air funnel portion 30 is blocked as the lid 90,190 of orifice element
Component.That is, lid 90,190 is as the The lid component function for blocking middle opening 33 of ventilating, and it is used as air funnel
Orifice element function in portion 30.So, by for the lid as the The lid component for blocking middle opening 33 of ventilating
90th, 190 surplus restrictions function, is readily able to set orifice element in air funnel portion 30.
Also, in the case of the crushing characteristic in ventilation line 13 to be changed, by the flow path area for changing throttle orifice
Come carry out.Now, if seek the oil-feed port main body 20 and air funnel portion 30 formed as one sharing and only change lid 90,
190.Thus, easily change crushing characteristic.
In addition, with the movement of fuel tank 2, the circulation of fuel, breather pipe 13c, filling tube 12 can change.Accompany 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 air funnel portion 30 for being connected with breather pipe 13c
The power that body 20 and air funnel portion 30 are relatively moved.But, because both form as one so as to firm engaging force, utilization
The engaging force can resist above-mentioned power.Here, lid 90,190 is the The lid component for blocking middle opening 33 of ventilating, therefore, will not
Apply larger load to lid 90,190 itself.Thus, need not be relative to air funnel portion 30 as the lid 90,190 of individual member
Firmly engaged.That is, it is not necessary to carry out high-precision management to the engaging force of lid 90,190.
In addition, air funnel portion 30 includes the main body linking part 31 extended laterally from the side face of oil-feed port main body 20 and autonomous
The end bending of body linking part 31 and the ventilation connecting portion 32 being connected with breather pipe 13c.Middle opening 33 of ventilating is located at main body
The bending position that linking part 31 is connected with ventilation connecting portion 32.
By bending air funnel portion 30, the combustion that the backflow from breather pipe 13c hinders oil-feed port main body 20 can be suppressed
The flowing of material.Further, it is possible to when stopping supplying fuel from fuel nozzle 4, suppress fuel and inserted from air funnel portion 30 to nozzle
The retro jet of 21 sides of mouth.Here, generally, being not easy to bend in air funnel portion 30.But, by making the shape of ventilation middle opening 33
Into the bending position between main body linking part 31 and ventilation connecting portion 32, mould can be inserted simultaneously from middle opening 33 of ventilating
The inner peripheral surface of main body linking part 31 is formed using the mould.Thus, easily form the air funnel portion 30 bent.
In addition, lid 90,190 is formed as the bottomed tube with top end opening.The bottom 92,192 of lid 90,190 will ventilate
Middle opening 33 is blocked.The cylinder portion main body 91,191 of lid 90,190, which has, forms on side face and radially insertion cylinder portion main body
91st, 191 through hole 91a.Lid 90,190 is coaxially configured at the inside of main body linking part 31, through hole 91a with main body linking part 31
The small flow path area of flow path area with than connecting portion 32 of ventilating, and it is configured at the position being connected with ventilation connecting portion 32.
In cylinder portion, the formation of main body 91,191 is very easy as the through hole 91a of throttle orifice function.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 together to the state for being contacted with the inner peripheral surface of main body linking part 31.
Here, the inside in air funnel portion 30, the fluid of backflow will not be from around the tip side part of lid 90,190 to refluxing opening 23
Effluent leads to, but can be reliably in the internal circulation of lid 90,190.If that is, the fluid flowed back in ventilation connecting portion 32
Not by through hole 91a, it would not be circulated to refluxing opening 23.Thus, it is possible to reliably play through hole 91a section as design load
Flow effect.
In addition, the root side of lid 90,190 is configured in the way of having gap between the inner peripheral surface of main body linking part 31.
That is, a part for the only cylinder portion main body 91,191 of lid 90,190 is embedded in the inner peripheral surface of main body linking part 31.Thus, lid
90th, 190 assembling relative to main body linking part 31 is easier to, and the tip side part of lid 90,190 can be made reliably to be embedded in master
Body linking part 31.
In addition, in second embodiment, the oil-feed port 111 of the 3rd embodiment, lid 190 leads to from middle opening 33 of ventilating
Cross the inside that refluxing opening 23 extends to oil-feed port main body 20.Also, lid 190 flows back the fluid circulated in air funnel portion 30 certainly
Mouth 23 is guided to the direction gone towards fuel supply mouth 22.
So, oil-feed port main body 20 and air funnel portion 30 form as one, and the lid 190 with guiding function is relative to fuel feeding
Mouth main body 20 and air funnel portion 30 are separately formed.That is, the oil-feed port main body 20 formed as one and air funnel portion 30
Without the position as guiding piece function, therefore, it is possible to be easily formed oil-feed port main body 20 and air funnel portion 30.
In addition, being the envelope of ventilation middle opening 33 that will be formed in air funnel portion 30 as the lid 190 of guiding piece function
Stifled component.That is, lid 190 is as the The lid component function for blocking middle opening 33 of ventilating, and it is used as oil-feed port
The guiding piece function for guiding fluid from refluxing opening 23 to fuel supply mouth 22 in main body 20.So, by for making
, can be easily to from refluxing opening 23 for the additional guiding function of lid 190 of The lid component for blocking middle opening 33 of ventilating
The circulation of fluid is guided.
Also, the bending position that ventilation middle opening 33 is connected located at main body linking part 31 with ventilation connecting portion 32.And
And, configured as the lid 190 of guiding piece function in the total 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.Thus, form the air funnel portion 30 bent 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), it is resin-made and is formed as tubular, and being provided with one end of the oil-feed port main body (20) to insert
Enter the nozzle insert port (21) of fuel nozzle (4), being provided with the other end of the oil-feed port main body (20) is used for filling tube (12)
The fuel supply mouth (22) of fuel is supplied, refluxing opening (23) is provided with the side face of the oil-feed port main body (20)；
Air funnel portion (30), it is resin-made and is integrally formed at the outside of the side face of the oil-feed port main body (20), the ventilation
The one end in cylinder portion (30) is connected with the refluxing opening (23), and the other end in the air funnel portion (30) is connected to breather pipe (13c),
Provided with ventilation middle opening (33) on the side face in the air funnel portion (30)；And
Cover (90,190), it is as orifice element, for blocking the ventilation middle opening (33) and being configured at the ventilation
The inside in cylinder portion (30), the lid (90,190) has the flow path area smaller than the flow path area of the air funnel portion (30).
2. oil-feed port (11,111) according to claim 1, wherein,
The air funnel portion (30) includes：
Main body linking part (31), it extends laterally from the side face of the oil-feed port main body (20)；With
Ventilation connecting portion (32), it bends from the end of the main body linking part (31) and is connected with the breather pipe (13c),
It is described ventilation middle opening (33) located at the main body linking part (31) and it is described ventilate connecting portion (32) be connected it is curved
Bent position.
3. oil-feed port (11,111) according to claim 2, wherein,
The lid (90,190) is formed as the bottomed tube with top end opening,
The bottom (92,192) of the lid (90,190) is used to block the ventilation middle opening (33),
The cylinder portion (91,191) of the lid (90,190), which has, forms leading to on side face and radially insertion cylinder portion (91,191)
Hole (91a),
The lid (90,190) is coaxially configured at the inside of the main body linking part (31) with the main body linking part (31),
The through hole (91a) has the flow path area smaller than the flow path area of the ventilation connecting portion (32), and is configured at and institute
State the position that ventilation connecting portion (32) is connected.
4. oil-feed port (11,111) according to claim 3, wherein,
State progress of the tip side part of the lid (90,190) to be contacted with the inner peripheral surface of the main body linking part (31) is embedding
Close.
5. oil-feed port (11,111) according to claim 4, wherein,
The root side part of the lid (90,190) is with the side with gap between the inner peripheral surface of the main body linking part (31)
Formula is configured.
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 from the ventilation middle opening (33) by the refluxing opening (23)
(20) inside,
The lid (190) will in the air funnel portion (30) circulation fluid from the refluxing opening (23) to towards the fuel
The direction guiding 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), it is resin-made and is formed as tubular, and being provided with one end of the oil-feed port main body (20) to insert
Enter the nozzle insert port (21) of fuel nozzle (4), being provided with the other end of the oil-feed port main body (20) is used for filling tube (12)
The fuel supply mouth (22) of fuel is supplied, refluxing opening (23) is provided with the side face of the oil-feed port main body (20)；
Air funnel portion (30), it is resin-made and is integrally formed at the outside of the side face of the oil-feed port main body (20), the ventilation
The one end in cylinder portion (30) is connected with the refluxing opening (23), and the other end in the air funnel portion (30) is connected to breather pipe (13c),
Provided with ventilation middle opening (33) on the side face in the air funnel portion (30)；And
Cover (190), it is used to block the ventilation middle opening (33) and is configured at the inside of the air funnel portion (30), the lid
(190) inside of the oil-feed port main body (20) is extended to by the refluxing opening (23) from the ventilation middle opening (33),
The lid (190) will in the air funnel portion (30) circulation fluid from the refluxing opening (23) to towards the fuel
The direction guiding that supply mouth (22) is gone.
8. oil-feed port (111) according to claim 7, wherein,
The air funnel portion (30) includes：
Main body linking part (31), it extends laterally from the side face of the oil-feed port main body (20)；With
Ventilation connecting portion (32), it bends from the end of the main body linking part (31) and is connected with the breather pipe (13c),
It is described ventilation middle opening (33) located at the main body linking part (31) and it is described ventilate connecting portion (32) be connected it is curved
Bent position,
The lid (190) is configured in the total 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 true CN107128167A (en) | 2017-09-05 |
| CN107128167B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267606A (en) * | 2018-12-05 | 2020-06-12 | 本田技研工业株式会社 | Oil supply device |
| CN113085539A (en) * | 2019-12-23 | 2021-07-09 | 住友理工株式会社 | Resin fuel filler pipe and method for manufacturing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7282658B2 (en) * | 2019-11-27 | 2023-05-29 | 愛三工業株式会社 | Fuel passage sealing structure for fuel supply device |
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| CN111267606B (en) * | 2018-12-05 | 2022-10-25 | 本田技研工业株式会社 | Oil supply device |
| CN113085539A (en) * | 2019-12-23 | 2021-07-09 | 住友理工株式会社 | Resin fuel filler pipe and method for manufacturing the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2017149341A (en) | 2017-08-31 |
| JP6585522B2 (en) | 2019-10-02 |
| CN107128167B (en) | 2019-05-31 |
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