CN108006273A - A kind of oiling check valve - Google Patents
A kind of oiling check valve Download PDFInfo
- Publication number
- CN108006273A CN108006273A CN201711461934.5A CN201711461934A CN108006273A CN 108006273 A CN108006273 A CN 108006273A CN 201711461934 A CN201711461934 A CN 201711461934A CN 108006273 A CN108006273 A CN 108006273A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- check valve
- valve block
- oiling
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract description 4
- 239000010761 intermediate fuel oil Substances 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 15
- 239000002828 fuel tank Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
-
- 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
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
-
- 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
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
- B60K2015/03269—Flap valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Check Valves (AREA)
Abstract
The present invention proposes a kind of oiling check valve, including：Valve body；Valve block, is connected by roller pin with the valve body, and the roller pin is provided with spring, and the spring is realizing valve block pretension and realize the normally closed of valve；Rubber gasket, is assemblied on the valve block using interference mode, and is arranged at the sealing mating surface of the valve block and valve body.The valve body lateral surface setting is fluted, and O-ring seals are provided with the groove, and the O-ring seals assemble the sealing of rear valve body and outer side line to realize.The valve body has an expression lobes to the pipe arrangement that coordinates outside its front end, and is being internally formed groove, and pipe arrangement afterbody caliber has expansion to swell section, is required with realizing different calibers and coordinating.Oiling check valve proposed by the present invention, can effectively prevent fuel oil from turning over and gush, and prevent that gas is counter gushes, and realize fast changeable after damage, while realize that valve block does not influence the circulation diameter of pipeline intermediate fuel oil after opening.
Description
Technical field
The present invention relates to automotive fuel oil system field, and more particularly to a kind of oiling check valve.
Background technology
Automobile oil supply system is made of oil filling pipe, fuel tank and fuel pipe and some valve bodies, wherein oil filling pipe and fuel tank
Junction, is usually provided with oiling check valve, its main function is that valve body is unidirectionally opened in fuel filling, prevents fuel oil from adding
After note, the fuel oil that is produced because tank internal pressure does not eliminate in time is counter to be gushed.Current oiling check valve, some are loaded on oil
Case oiling tube head does not influence fuel flow communication, it is necessary to which larger oiling tube head coordinates with the latus rectum for ensureing pipeline after opening, and adds at the same time
Oily check valve closing face can not prevent the leakage of gas without sealing ring.Some are installed on the inside of tank filler tube fuel tank, it is necessary to first
It is non-exchange after damage in pipeline assemble welding, it is necessary to replace fuel tank, safeguard complicated.
The content of the invention
The present invention proposes a kind of oiling check valve, can effectively prevent fuel oil from turning over and gush, and prevents that gas is counter to be gushed, and realizing can after damage
Quick-replaceable, while realize that valve block does not influence the circulation diameter of pipeline intermediate fuel oil after opening.
Oiling check valve proposed by the present invention, its technical problem to be solved：
1) present invention is to prevent the liquid fuel of fuel filling appearance is counter from gushing；
2) gas that occurs is counter after the present invention can effectively prevent fuel filling gushes；
3) present invention is easily changed oiling check valve；Effectively reduce maintenance cost；
4) the oiling check valve that the present invention describes is installed again after fuel tank all process steps, and it is necessary to solve fuel tank end face valve
The problem of first assembling and influencing oil tank finishing technique；
5) check valve valve body provided by the present invention, is placed in line end fuel tank internal, avoids valve block from being caused after opening
Oiling caliber is imitated to reduce.
In order to achieve the above object, the present invention proposes a kind of oiling check valve, including：
Valve body；
Valve block, is connected, the roller pin is provided with spring, and the spring is to valve block by roller pin with the valve body
Realize pretension and realize the normally closed of valve；
Rubber gasket, is assemblied on the valve block using interference mode, and is arranged at the sealing of the valve block and valve body
Mating surface.
Further, the input end of the valve body, is provided with radial elastic buckle, and axial thrust face, the radial direction bullet
Property snap-fitted after formed be axially moved clamping mechanism.
Further, the valve body lateral surface is set fluted, O-ring seals is provided with the groove, the O shapes are close
The sealing of rear valve body and outer side line is assembled in seal to realize.
Further, the valve body has expression lobes to the pipe arrangement that coordinates outside its front end, and recessed being internally formed
Groove, pipe arrangement afterbody caliber have expansion to swell section, are required with realizing different calibers and coordinating.
Oiling check valve proposed by the present invention, in fuel system, having to the discharge of fuel filling fuel vapor body tighter
The vehicle-mounted oil filling gas recovery system for oil of lattice requirement, reduces the difficulty of the inside and outside processing of fuel tank, realizes the surface of check valve and fuel tank
Treatment process is uncorrelated, meets the new demand of fuel filling, realizes effective sealing of gas and liquid.
The innovation point of the present invention is as follows：
1. the sealing increase rubber sheet gasket between one-way valve plate and valve body, improves leakproofness；
2. one-way valve plate open position is reached with pipe end expansion tube department position, big opening angle and the low flowing of liquid are realized
Resistance；
3. check valve lateral surface has O-ring to realize the reliable sealing between valve body and pipe arrangement；
4. there is the axial limiting after radially buckle realization assembling in check valve end；
5. check valve and pipe arrangement by screens and the tube expansion with pipe end, realize the rear dress of check valve, while can maximum limit
Degree maintains the existing coating process of fuel tank, reduces cost.
Brief description of the drawings
Fig. 1 show the oiling one-way valve structures schematic diagram of present pre-ferred embodiments.
Fig. 2 show the oiling check valve and pipe arrangement assembling fit structure schematic diagram of the present invention.
Fig. 3 show the matched tube structure schematic diagram of present pre-ferred embodiments.
Fig. 4 show the fuel tank structure schematic diagram of present pre-ferred embodiments.
Embodiment
The embodiment of the present invention is provided below in conjunction with attached drawing, but the invention is not restricted to following embodiment.Root
According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is using very simple
The form of change and non-accurate ratio is used, be only used for conveniently, lucidly aiding in illustrating the purpose of the embodiment of the present invention.
Please refer to Fig.1 and Fig. 2, Fig. 1 show the oiling one-way valve structures schematic diagrames of present pre-ferred embodiments, Fig. 2 institutes
It is shown as the oiling check valve and pipe arrangement assembling fit structure schematic diagram of the present invention.The present invention proposes a kind of oiling check valve, including：
Valve body 1；Valve block 3, is connected, the roller pin 5 is provided with spring 4, and the spring 4 is to right by roller pin 5 with the valve body 1
Valve block 3 realizes pretension and realizes the normally closed of valve；Rubber gasket 2, is assemblied on the valve block 3 using interference mode, and is set
In the sealing mating surface of the valve block 3 and valve body 1.
Preferred embodiment according to the present invention, the input end of the valve body 1, is provided with radial elastic buckle, and axial thrust
Face, forms after the radial elastic snap-fitted and is axially moved clamping mechanism.
1 lateral surface of the valve body setting is fluted, O-ring seals 6 is provided with the groove, the O-ring seals 6 are used
To realize the sealing of assembling rear valve body 1 and outer side line 7.
In order to solve the above-mentioned technical problem, the technical solution that this patent uses is valve body 1, valve block 3 and the rubber using tubulose
2 check valve of glue gasket, is connected between valve block 3 and valve body 1 by roller pin 5, and roller pin 5 is provided with spring 4, spring 4 to
Pretension is realized to valve block 3 and realizes the normally closed of valve.In the sealing mating surface of valve block 3 and valve body 1, rubber gasket 2, rubber are provided with
Glue gasket 2 is assemblied on valve block 3 using interference mode, and valve block 3 is under the effect of spring 4, with the rubber gasket 2 on valve block 3
And valve body sealing surface cooperatively forms reliable sealing, the sealing of gas and liquid is realized.
Please refer to Fig.3, Fig. 3 show the matched tube structure schematic diagram of present pre-ferred embodiments.The valve body 1 is coordinating
Pipe arrangement 7, have expression lobes outside its front end, and be internally formed groove, 7 afterbody caliber of pipe arrangement has expansion to swell section, with reality
Existing different caliber and cooperation require.
Oiling check valve proposed by the present invention, its assemble flow are as follows：
Valve body is installed on inside molding pipe-fitting joint, and sealing valve bit end first puts in pipe arrangement, until pipe-fitting joint expansion position
Put, to ensure that valve block there are enough opening angles after opening, realize larger circulating face, reduce resistance.The O-ring of valve body side,
With being interference fitted with pipe internal surface, the sealing of outer ring is formed.The Elastic buckle at valve body import end and the front end groove of pipe arrangement are formed
Coordinate, realize the axial movement screens in valve body pull-off direction.The axial thrust face of valve body and the end face of pipe arrangement, which are formed, at the same time matches somebody with somebody
Close, realize the axial limiting of assembly direction.
Please refer to Fig.4, Fig. 4 show the fuel tank structure schematic diagram of present pre-ferred embodiments.Pipe 9 is coordinated to be welded in combustion
On fuel tank 8, after fuel tank 8 has performed all welding and surface treatment, oiling check valve 10 of the invention passes through assembling, assembling
In coordinating in pipe 9, the fuel liquid of refueling process and the one-way flow of gas are realized, valve body need not be fixed additionally, can realize
Reliable voluntarily clamping.
In conclusion oiling check valve proposed by the present invention, in fuel system, arranging fuel filling fuel vapor body
The vehicle-mounted oil filling gas recovery system for oil being relatively strict with is placed with, the difficulty of the inside and outside processing of fuel tank is reduced, realizes check valve and oil
The process of surface treatment of case is uncorrelated, meets the new demand of fuel filling, realizes effective sealing of gas and liquid.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (4)
- A kind of 1. oiling check valve, it is characterised in that including：Valve body；Valve block, is connected by roller pin with the valve body, and the roller pin is provided with spring, and the spring is realizing valve block Pretension and realize the normally closed of valve；Rubber gasket, is assemblied on the valve block using interference mode, and the sealing for being arranged at the valve block and valve body coordinates Face.
- 2. oiling check valve according to claim 1, it is characterised in that the input end of the valve body, is provided with radial direction bullet Property buckle, and axial thrust face, forms after the radial elastic snap-fitted and is axially moved clamping mechanism.
- 3. oiling check valve according to claim 1, it is characterised in that the valve body lateral surface setting is fluted, described O-ring seals are provided with groove, the O-ring seals assemble the sealing of rear valve body and outer side line to realize.
- 4. oiling check valve according to claim 1, it is characterised in that the valve body is to the pipe arrangement coordinated, its front end There are an expression lobes in outside, and is being internally formed groove, and pipe arrangement afterbody caliber has expansion to swell section, to realize different calibers and match somebody with somebody Close and require.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461934.5A CN108006273A (en) | 2017-12-28 | 2017-12-28 | A kind of oiling check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461934.5A CN108006273A (en) | 2017-12-28 | 2017-12-28 | A kind of oiling check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108006273A true CN108006273A (en) | 2018-05-08 |
Family
ID=62062190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711461934.5A Pending CN108006273A (en) | 2017-12-28 | 2017-12-28 | A kind of oiling check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006273A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377667A (en) * | 2020-03-31 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | Carbon tank electromagnetic valve and pipeline system for eliminating airflow pulsation and noise in vehicle |
| CN114776863A (en) * | 2022-03-25 | 2022-07-22 | 重庆长安汽车股份有限公司 | A refuel limit valve for on fuel tank |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887615A (en) * | 1996-09-27 | 1999-03-30 | Om Corporation | Check valve of fuel tank |
| KR20000021605U (en) * | 1999-05-31 | 2000-12-26 | 안정구 | Fuel level check valve for on board refueling vador recovery system |
| JP2001158243A (en) * | 1999-11-30 | 2001-06-12 | Piolax Inc | Back flow prevention device for oil supply pipe |
| EP1339607A1 (en) * | 2000-11-07 | 2003-09-03 | Pilot Industries, Inc. | Vent valve assembly |
| US20050139271A1 (en) * | 2001-12-21 | 2005-06-30 | Krishnamoorthy Pk H. | Assembling a siphonable filler tube with a check valve on a fuel tank |
| CN103672050A (en) * | 2013-12-30 | 2014-03-26 | 斯丹德汽车系统（苏州）有限公司 | Check valve |
| JP2014076774A (en) * | 2012-10-12 | 2014-05-01 | Nifco Inc | Check valve device |
| CN205806580U (en) * | 2016-07-26 | 2016-12-14 | 陈帝刚 | A kind of check-valves |
| CN207814547U (en) * | 2017-12-28 | 2018-09-04 | 上汽通用五菱汽车股份有限公司 | A kind of oiling check valve |
-
2017
- 2017-12-28 CN CN201711461934.5A patent/CN108006273A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887615A (en) * | 1996-09-27 | 1999-03-30 | Om Corporation | Check valve of fuel tank |
| KR20000021605U (en) * | 1999-05-31 | 2000-12-26 | 안정구 | Fuel level check valve for on board refueling vador recovery system |
| JP2001158243A (en) * | 1999-11-30 | 2001-06-12 | Piolax Inc | Back flow prevention device for oil supply pipe |
| EP1339607A1 (en) * | 2000-11-07 | 2003-09-03 | Pilot Industries, Inc. | Vent valve assembly |
| US20050139271A1 (en) * | 2001-12-21 | 2005-06-30 | Krishnamoorthy Pk H. | Assembling a siphonable filler tube with a check valve on a fuel tank |
| JP2014076774A (en) * | 2012-10-12 | 2014-05-01 | Nifco Inc | Check valve device |
| CN103672050A (en) * | 2013-12-30 | 2014-03-26 | 斯丹德汽车系统（苏州）有限公司 | Check valve |
| CN205806580U (en) * | 2016-07-26 | 2016-12-14 | 陈帝刚 | A kind of check-valves |
| CN207814547U (en) * | 2017-12-28 | 2018-09-04 | 上汽通用五菱汽车股份有限公司 | A kind of oiling check valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377667A (en) * | 2020-03-31 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | Carbon tank electromagnetic valve and pipeline system for eliminating airflow pulsation and noise in vehicle |
| CN112377667B (en) * | 2020-03-31 | 2023-03-21 | 上汽通用五菱汽车股份有限公司 | Carbon tank electromagnetic valve and pipeline system for eliminating airflow pulsation and noise in vehicle |
| CN114776863A (en) * | 2022-03-25 | 2022-07-22 | 重庆长安汽车股份有限公司 | A refuel limit valve for on fuel tank |
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