CN106677939A - Fuel filter internally provided with pressure limiting valve - Google Patents
Fuel filter internally provided with pressure limiting valve Download PDFInfo
- Publication number
- CN106677939A CN106677939A CN201510755420.5A CN201510755420A CN106677939A CN 106677939 A CN106677939 A CN 106677939A CN 201510755420 A CN201510755420 A CN 201510755420A CN 106677939 A CN106677939 A CN 106677939A
- Authority
- CN
- China
- Prior art keywords
- filter
- limiting valve
- fuel
- pressure limiting
- pipe
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 19
- 238000003032 molecular docking Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 9
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 239000000295 fuel oil Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000009298 Trigla lyra Species 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Abstract
The invention relates to a fuel filter internally provided with a pressure limiting valve. The fuel filter comprises a lower cup body and an upper cover body. An oil inlet pipe opening extends outwards from the edge position of the upper surface of the upper cover body, and an oil outlet pipe opening extends outwards from the bottom of the lower cup body. A filtering element body is installed in the lower cup body, and the pressure limiting valve is installed in the space between the upper end portion of the filter element body and the upper cover body. According to the fuel filter internally provided with the pressure limiting valve, the pressure limiting valve is arranged in the fuel filter structure, a designer can design and arrange an oil supply system more conveniently, and the design performance and machinability of the fuel filter are greatly improved; meanwhile, the fuel filter has the beneficial effects of being safe, reliable and sensitive in reaction, the pressure difference between the interior of the filter and a pipeline can be directly sensed, responses are made in first time, and therefore corresponding adjustment is made; and the sensitivity of control over pressure of the pipeline is improved, pressure can be released in time, and the harm of oil supply instability and fuel filter leaking and cracking caused by the reaction lag of the external pressure limiting valve and inner and outer pressure difference changes of a filter element is avoided.
Description
Technical field：
The invention belongs to cleaner technical field, is related to fuel filter, refer in particular to a kind of built-in
The fuel filter of pressure limiting valve.
Background technology：
Used as the attrition component in auto parts machinery, the market prospects of fuel filter are quite wide.
Pressure limiting valve is prevalent in vehicle fuel oil feed line, can limit the oil pressure in oil circuit, is kept away
Exempt from oil pressure too high, cause pipeline and cleaner explosion, work the mischief.Conventional fuel oil cleaner
Pressure limiting valve be all the external self-contained unit in pipeline, pipeline is complicated, takes up room, and
And external pressure limiting valve due to circuit it is long, lags in response, it is impossible to timely adjustment filter core inside and outside differential pressure,
So that loine pressure control accuracy is relatively low, and giving the experience of user, to be throttle response ineffective
Quick, automobile fuel consumption is big, burning insufficient, automobile power and handling difference etc..
The content of the invention：
It is an object of the invention to overcome the deficiencies in the prior art part, there is provided a kind of built-in limit
The fuel filter of pressure valve.
The present invention realizes that the technical scheme that its purpose is adopted is：A kind of fuel oil of built-in pressure limiting valve
Cleaner, the fuel filter includes lower cup body and upper cover body, at upper cover body top surface edge
The oil-feed mouth of pipe is outward extended with, lower cup body bottom is outward extended with the fuel-displaced mouth of pipe, in lower cup body
Filter element body is installed, wherein：Space between the upper end of filter element body and upper cover body
Middle installation limited valve；The filter element body includes filter core upper end cover, tubular filter paper and filter core
Bottom end cover, filter core upper end cover center has the first centre bore；The pressure limiting valve has a valve element
Body, the periphery of the insert body is formed with a flanged ring, the upper and lower both sides point of flanged ring
Sealing ring and lower seal are not provided with, wherein position more than flanged ring is located in upper cover body
In the upper cavity volume of the convex formation in portion, and upper sealing ring with this on cavity volume lower surface sealing contradict,
Position below flanged ring is located at the first centre bore and tubular filter paper middle part of filter core upper end cover
In space, and lower seal is contradicted with the upper surface sealing of the first centre bore；In upper cover body
Outside is additionally provided with the oil return mouth of pipe communicated with the upper cavity volume in it.
Furthermore, inside upper cover body, the endless belt that is located of oil inlet pipe and lower cup body
A connected space is formed between port；The inwall of the lower cup body and the outer wall of filter element body it
Between form the oil inlet passage that connects with connected space；The inner of the fuel-displaced mouth of pipe of the lower cup body
Portion has the extension mouth for extending internally, in extending the filter core bottom end cover of mouth periphery and filter element body
The central space of the second centre bore peripheral sealing docking of the heart, i.e., the fuel-displaced mouth of pipe and tubular filter paper
Connection.
Pass through laser welding work between the outer wall of the upper cover body and the upper port inwall of lower cup body
Skill sealing docking.
The inner wall side in the first centre bore upper surface of the filter core upper end cover, upper cover body it is upper
The inner wall side in cavity volume lower surface is respectively formed with chamfering inclined-plane.
Dust cap is provided with respectively at the oil-feed mouth of pipe, the fuel-displaced mouth of pipe, the oil return mouth of pipe.
It is an advantage of the invention that：
First, the present invention is by the way that pressure limiting valve is built into gasoline filter structure, compared to
External pressure limiting valve can provide more spaces, enable the designer to more easily to fuel feeding
System is designed arrangement, substantially increases its design, processability；
Second, design pressure limiting valve being built in fuel filter, with safe and reliable,
Sensitive advantage, can directly perceive the pressure differential between cleaner inside and pipeline, the
One time made a response, and so as to make corresponding adjustment, improve the essence of control piper pressure
Sensitivity, and can pressure release in time, it is to avoid external pressure in the lags in response and filter core of external pressure limiting valve
Poor change and the fuel feeding that produces is unstable, the harm of fuel filter leakage and rupture；
Third, enabling fuel system more accurately and fast by the addition of built-in pressure limiting valve
Adjustment distributive value to optimal air-fuel ratio, enable gasoline more fully to burn, in Jing
Ji aspect has saved the consumption of fuel oil, reduces the expenditure of fuel oil, improves in performance dynamic
Power and handling, throttle response is quicker, accurate, in terms of environment, due to fuel oil
Fully burning makes the discharge of the pernicious gases such as carbon monoxide, hydrocarbon, oxynitrides
Reduction is to a certain extent obtained.
Fourth, the present invention carries out the docking of filter casing using laser welding process, not only
May insure the bonding strength of connecting portion, it is also possible to the overall aesthetic degree of improving product, and
And product entirety production efficiency and product percent of pass are greatly improved, and are saved labour turnover.
Description of the drawings：
Fig. 1 is the overall structure diagram of fuel filter of the present invention；
Fig. 2 is the decomposing state sectional view of the present invention.
Specific embodiment：
With reference to specific embodiments and the drawings, the present invention is further described.
As shown in Figure 1 and Figure 2, of the present invention is a kind of fuel cleaning of built-in pressure limiting valve
Device, the fuel filter includes lower cup body 1 and upper cover body 2, at the top surface edge of upper cover body 2
The oil-feed mouth of pipe 21 is outward extended with, at the bottom centre of lower cup body 1 the fuel-displaced mouth of pipe is outward extended with
11, filter element body 3 is installed in lower cup body 1, wherein：The upper end of filter element body 3 with
Limited valve 4 is installed in the space between upper cover body 2；The filter element body 3 is included on filter core
End cap 31, tubular filter paper 32 and filter core bottom end cover 33, the center of filter core upper end cover 31 has the
One centre bore 311；The pressure limiting valve 4 has an insert body 41, the insert body 41
Periphery is formed with a flanged ring 42, and (flanged ring 42 is by the upper and lower shell of insert body 41
Turn over riveting in vitro to be formed, side of the pressure limiting valve 4 using spring in combination with diaphragm valve in the present invention
Formula, by setting spring, diaphragm relevant parameter ensures oil supply system in safe pressure value scope
It is interior, not shown in figure), the upper and lower of flanged ring 42 is respectively provided on two sides with the He of sealing ring 43
Lower seal 44, the wherein position of flanged ring more than 42 are located at the convex formation in the middle part of upper cover body 2
Upper cavity volume 200 in, and upper sealing ring 43 with this on cavity volume 200 lower surface sealing contradict,
Position of the flanged ring below 42 is located at first centre bore 311 and cylinder of filter core upper end cover 31
In the central space 300 of shape filter paper 32, and lower seal 44 is upper with the first centre bore 311
End face seal is contradicted；It is additionally provided with the outside of upper cover body 2 and is communicated with the upper cavity volume 200 in it
The oil return mouth of pipe 22.
Furthermore, inside upper cover body 2, oil inlet pipe 21 be located endless belt and lower cup
A connected space 501 is formed between the port of body；The inwall and filter element body of the lower cup body 2
The oil inlet passage 502 connected with connected space 501 is formed between 3 outer wall；The lower cup body
The inner end of the 1 fuel-displaced mouth of pipe 11 has the extension mouth 111 for extending internally, and extends mouth 111
The peripheral sealing of second centre bore 331 at the center of filter core bottom end cover 33 of periphery and filter element body 3
Docking, i.e., the fuel-displaced mouth of pipe 11 is connected with the central space 300 of tubular filter paper 32.
During normal operating condition, pressure limiting valve 4 is in closed mode, and the middle part of filter element body 3 is empty
Between 300 with the upper cavity volume 200 of upper cover body 2 in not connected state；Now, fuel oil is from upper
The oil-feed mouth of pipe 21 of the edge of lid 2 is entered, and is sequentially passed through connected space 501, oil-feed and is led to
Road 502, then the central space entered in the middle of tubular filter paper 32 after tubular filter paper 32 is filtered
300, and the fuel-displaced mouth of pipe 11 from the lower end of lower cup body 1 flows out；When oil pressure is excessive in cleaner
More than pressure limiting valve 4 setting value when, pressure limiting valve 4 is opened so that the middle part of filter element body 3
Space 300 is in connected state, now, filter element body 3 with the upper cavity volume 200 of upper cover body 2
Internal fuel oil is directly entered upper cavity volume 200 through pressure limiting valve 4 and the Jing oil returns mouth of pipe 23 flows back
To fuel tank.
Pass through Laser Welding between the outer wall of the upper cover body 2 and the upper port inwall of lower cup body 1
Process seal docking is connect, laser welding process makes weld bonding strength big, and product is whole
See in vitro more attractive, and batch automatic production can be realized, production efficiency is high, product
Qualification rate is also high.
The inner wall side in the upper surface of the first centre bore 311 of the filter core upper end cover 31, on cover
The inner wall side in the lower surface of cavity volume 200 is respectively formed with chamfering inclined-plane on body 2, close so as under
Seal 44, upper sealing ring 43 are fully contradicted respectively, reach sealing effectiveness.
It is respectively equipped with the oil-feed mouth of pipe 21, the fuel-displaced mouth of pipe 11, the oil return mouth of pipe 23 anti-
Dirt cap 6, its effect be avoid using front have the foreign matters such as external dust enter cleaner inside,
Prevent from blocking cleaner.
Therefore, summary, it is an advantage of the invention that：
First, the present invention is by the way that pressure limiting valve is built into gasoline filter structure, compared to
External pressure limiting valve can provide more spaces, enable the designer to more easily to fuel feeding
System is designed arrangement, substantially increases its design, processability；
Second, design pressure limiting valve being built in fuel filter, with safe and reliable,
Sensitive advantage, can directly perceive the pressure differential between cleaner inside and pipeline, the
One time made a response, and so as to make corresponding adjustment, improve the essence of control piper pressure
Sensitivity, and can pressure release in time, it is to avoid external pressure in the lags in response and filter core of external pressure limiting valve
Poor change and the fuel feeding that produces is unstable, the harm of fuel filter leakage and rupture；
Third, enabling fuel system more accurately and fast by the addition of built-in pressure limiting valve
Adjustment distributive value to optimal air-fuel ratio, enable gasoline more fully to burn, in Jing
Ji aspect has saved the consumption of fuel oil, reduces the expenditure of fuel oil, improves in performance dynamic
Power and handling, throttle response is quicker, accurate, lifts Consumer's Experience；In environment side
Face, because the abundant burning of fuel oil makes carbon monoxide, hydrocarbon, oxynitrides etc.
The discharge of pernicious gas has obtained reduction to a certain extent；
Fourth, the present invention carries out the docking of filter casing using laser welding process, not only
May insure the bonding strength of connecting portion, it is also possible to the overall aesthetic degree of improving product, and
And product entirety production efficiency and product percent of pass are greatly improved, and are saved labour turnover.
Claims (5)
1. a kind of fuel filter of built-in pressure limiting valve, the fuel filter includes lower cup body and upper lid
Body, is outward extended with the oil-feed mouth of pipe at upper cover body top surface edge, lower cup body bottom is outside
The fuel-displaced mouth of pipe is extended with, filter element body is installed in lower cup body, it is characterised in that：In filter
Limited valve is installed in space between the upper end of core body and upper cover body；The filter core
Body includes filter core upper end cover, tubular filter paper and filter core bottom end cover, filter core upper end cover center
With the first centre bore；The pressure limiting valve has an insert body, outside the insert body
Enclose and be formed with a flanged ring, the upper and lower sealing ring that is respectively provided on two sides with of flanged ring is with
Position more than sealing ring, wherein flanged ring is located at the upper appearance of the convex formation in upper cover body middle part
In chamber, and upper sealing ring with this on cavity volume lower surface sealing contradict, below flanged ring
Position is located in the first centre bore of filter core upper end cover and tubular filter paper central space, and
Lower seal is contradicted with the upper surface sealing of the first centre bore；Also set in the outside of upper cover body
There is the oil return mouth of pipe communicated with the upper cavity volume in it.
2. the fuel filter of built-in pressure limiting valve according to claim 1, it is characterised in that：
One is formed inside upper cover body, between the endless belt at oil inlet pipe place and the port of lower cup body
Connected space；Formed between the inwall of the lower cup body and the outer wall of filter element body and connected
The oil inlet passage of space connection；The inner end of the fuel-displaced mouth of pipe of the lower cup body has inside
The extension mouth of extension, extends mouth periphery and the second of the filter core bottom end cover center of filter element body
Centre bore peripheral sealing is docked, i.e., the fuel-displaced mouth of pipe is connected with the central space of tubular filter paper.
3. the fuel filter of built-in pressure limiting valve according to claim 1, it is characterised in that：
Pass through laser welding process between the outer wall of the upper cover body and the upper port inwall of lower cup body
Sealing docking.
4. the fuel filter of built-in pressure limiting valve according to claim 1, it is characterised in that：
In the inner wall side in the first centre bore upper surface of the filter core upper end cover, the upper appearance of upper cover body
The inner wall side in chamber lower surface is respectively formed with chamfering inclined-plane.
5. the fuel filter of built-in pressure limiting valve according to claim 1, it is characterised in that：
Dust cap is provided with respectively at the oil-feed mouth of pipe, the fuel-displaced mouth of pipe, the oil return mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755420.5A CN106677939A (en) | 2015-11-09 | 2015-11-09 | Fuel filter internally provided with pressure limiting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755420.5A CN106677939A (en) | 2015-11-09 | 2015-11-09 | Fuel filter internally provided with pressure limiting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677939A true CN106677939A (en) | 2017-05-17 |
Family
ID=58864011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755420.5A Pending CN106677939A (en) | 2015-11-09 | 2015-11-09 | Fuel filter internally provided with pressure limiting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677939A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5989413A (en) * | 1995-06-29 | 1999-11-23 | Daimlerchrysler Ag | Fuel filter with an integrated pressure regulating valve |
| CN201280989Y (en) * | 2008-08-26 | 2009-07-29 | 何永绥 | Electric injection fuel filter |
| CN201786509U (en) * | 2010-07-27 | 2011-04-06 | 上海索菲玛汽车滤清器有限公司 | Fuel filter integrated with pressure regulating valve |
| CN203856625U (en) * | 2014-05-16 | 2014-10-01 | 江苏罡阳转向系统有限公司 | Spiral-type gasoline filter |
| CN205117566U (en) * | 2015-11-09 | 2016-03-30 | 安徽凤凰滤清器股份有限公司 | Fuel filter of built -in voltage limiting valve |
-
2015
- 2015-11-09 CN CN201510755420.5A patent/CN106677939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5989413A (en) * | 1995-06-29 | 1999-11-23 | Daimlerchrysler Ag | Fuel filter with an integrated pressure regulating valve |
| CN201280989Y (en) * | 2008-08-26 | 2009-07-29 | 何永绥 | Electric injection fuel filter |
| CN201786509U (en) * | 2010-07-27 | 2011-04-06 | 上海索菲玛汽车滤清器有限公司 | Fuel filter integrated with pressure regulating valve |
| CN203856625U (en) * | 2014-05-16 | 2014-10-01 | 江苏罡阳转向系统有限公司 | Spiral-type gasoline filter |
| CN205117566U (en) * | 2015-11-09 | 2016-03-30 | 安徽凤凰滤清器股份有限公司 | Fuel filter of built -in voltage limiting valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205117566U (en) | Fuel filter of built -in voltage limiting valve | |
| CN102795097B (en) | Apparatus for regulating vehicle fuel tank pressure | |
| CN205780944U (en) | High pressure air relief valve | |
| CN106677939A (en) | Fuel filter internally provided with pressure limiting valve | |
| CN205908388U (en) | A double -deck common rail pipe for multi -point injection | |
| CN203009128U (en) | Novel fuel filter | |
| CN203488288U (en) | Anti-dumping valve equipped with isolation cylinder | |
| CN202727973U (en) | Pressure regulating device for automobile fuel tank | |
| CN208089428U (en) | Combustion gas filter | |
| CN203412684U (en) | Anti-dumping valve | |
| CN203190034U (en) | Conversion joint for compressed natural gas charging valve | |
| CN207042017U (en) | Cartridge seal structure | |
| CN203640880U (en) | Air cleaner of automobile engine | |
| CN206439085U (en) | Non-return oil filtration component | |
| CN202017567U (en) | Fuel oil filter and fuel oil filter seat | |
| CN201121896Y (en) | Burner for gas cooker | |
| CN213510787U (en) | Oil filter | |
| CN220424795U (en) | Sealing structure of filter element and air inlet in carbon tank filter | |
| CN203856628U (en) | Engine oil and gas separator component | |
| CN103321783B (en) | Fuel-economizing accelerator | |
| CN208170447U (en) | A kind of burner for gas stove burner | |
| CN104075005B (en) | The general fuel tank of one of turn-over stop valve and application thereof | |
| CN204984536U (en) | Oil and gas separator mounting structure | |
| CN206636680U (en) | A kind of fuel pressure regulator with clean-up effect | |
| CN209041004U (en) | A kind of gasoline filter using energy-saving safe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |