CN205841067U - A kind of diesel filter - Google Patents
A kind of diesel filter Download PDFInfo
- Publication number
- CN205841067U CN205841067U CN201620685589.8U CN201620685589U CN205841067U CN 205841067 U CN205841067 U CN 205841067U CN 201620685589 U CN201620685589 U CN 201620685589U CN 205841067 U CN205841067 U CN 205841067U
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- CN
- China
- Prior art keywords
- check valve
- mozzle
- filter
- end cover
- face
- 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.)
- Expired - Fee Related
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Abstract
The open a kind of diesel filter of this utility model, holds out against the parts such as spring including assembly sealing ring, thread plate assembly, inner seal ring, filter case, filter element, filter element.Described filter element is internally provided with one-way valve structures.Filter element is made up of upper end cover, bottom end cover and the filter paper between upper end cover and bottom end cover, central canal and mozzle assembly.One-way valve structures comprises mozzle, check valve, check valve sealing ring, check valve hold out against the part such as spring and check valve gland, it is connected in elastic conjunction mode between check valve gland and mozzle, and the through-flow direction of one-way valve structures is oil-out direction after filter.This utility model uses technique scheme to provide the benefit that: this utility model is rational in infrastructure, compact, contributes to improving engine cold-start performance, also can avoid problems such as stopping working without reason in engine operation process simultaneously.
Description
Technical field
This utility model relates to diesel fuel filter field, particularly to a kind of diesel filter.
Background technology
Oil for diesel engine fuel system is the most all disposed with fuel oil filter for the moisture filtering in diesel oil and granule etc.
Objectionable impurities.The fuel injection system (particularly monoblock pump) of the Diesel engine of state four and above levels of emissions is typically disposed with
Two-stage diesel fuel filter, i.e. rough filter of diesel and diesel fine filter.Along with fuel oil cleanliness factor is wanted by engine fuel injection system
The continuous lifting asked, the filtering accuracy of diesel fuel filter the most constantly promotes.Cleaner filtering accuracy can cause diesel oil after promoting
Cleaner resistance raises, and cleaner aerofluxus becomes difficulty, and (gas on front side of filter element filter is more difficult to enter into filter by filter paper
Rear side) so that gas is the most poly-more many on front side of the filter of cleaner.The superposition of these undesirable elements, can cause electromotor oil suction to hinder
Power increases, running is flame-out without reason or the problem such as electromotor cold start-up overnight difficulty.
Utility model content
The purpose of this utility model is for the deficiency of diesel fuel filter in existing diesel engine fuel-firing filtration system, carries
For a kind of diesel filter.
In order to solve the problems referred to above, the present invention realizes by the following technical solutions:
A kind of diesel filter, including assembly sealing ring, thread plate assembly, inner seal ring, filter case, filter
Core, filter element hold out against the parts such as spring.Described filter element is internally provided with one-way valve structures, this check valve be arranged in the middle part of filter element and
Opening direction is towards oil-out direction after filter.Described filter element is by upper end cover, bottom end cover and is positioned at upper end cover and lower end
Filter paper, central canal and mozzle assembly between lid are constituted, and described mozzle assembly is arranged at inside described central canal,
Between upper end cover and filter paper, between upper end cover and central canal, upper end cover and mozzle, between bottom end cover and filter paper, bottom end cover with
Use between central canal, between bottom end cover and mozzle that glue is bonding is attached.
Described one-way valve structures comprises mozzle, check valve, check valve sealing ring, check valve hold out against spring and check valve pressure
The parts such as lid, are connected in elastic conjunction mode between described check valve gland and described mozzle.
Described mozzle has first face of cylinder of two or more different-diameter, second face of cylinder and the 3rd face of cylinder.
Check valve seal band it is provided with, in the downside of seal band and be positioned at the second cylinder between first face of cylinder and second face of cylinder
One or more steam vent circumferentially it is disposed with, between a diameter of 0.3mm ~ 1mm of steam vent on face.
Described check valve and described check valve sealing ring are held out against spring and described check valve gland is pressed to described by described
On the described check valve seal band of mozzle and seal.
Small cylindrical surface that the described at least two diameter of check valve gland is different and the big face of cylinder, at described roundlet
There is the excessive face of annular between cylinder and the described big face of cylinder, the described excessive face of annular is provided with the most equal
Opening excessively between a diameter of 1mm ~ 10mm of even distribution, in axial direction offers centre in the middle of described small cylindrical surface
Flowing hole.
Described mozzle and described upper end cover are separate two parts, and the mozzle told is plastic shaping
Part, described upper end cover is metallic stamping pieces or improved plastics structural shape.
Described mozzle and described upper end cover can also use the modes such as injection or riveting to be made of one formula part or group
Part, described check valve, described check valve gland, described check valve sealing ring and described check valve hold out against spring etc. and constitute check valve
The assembling parts of structure is on described unitary components or assembly.
This utility model uses technique scheme to provide the benefit that: this utility model is rational in infrastructure, compact, contributes to
Improve engine cold-start performance, also can avoid problems such as stopping working without reason in engine operation process simultaneously.
Accompanying drawing explanation
Fig. 1 is the profile that this utility model crosses axis；
Fig. 2 is utility model works process schematic；
Fig. 3 is split type mozzle assemble cross-section；
Fig. 4 is split type mozzle assembly partial sectional perspective view；
Fig. 5 is check valve gland axonometric chart；
Fig. 6 is split type mozzle assembly exploded perspective figure；
Fig. 7 be split type mozzle assembly bonding with end cap after sectional view.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face in conjunction with specific embodiments, is expanded on further this utility model, but embodiment of the present utility model is not limited to this.
Embodiment one
See Fig. 1 ~ Fig. 6:
The total design of this utility model is to provide a kind of diesel filter, including assembly sealing ring 1, thread plate group
Part 2, inner seal ring 3, filter case 4, filter element 5, one-way valve structures 6, filter element hold out against the parts such as spring 7.In described filter element 5
Portion is provided with one-way valve structures 6.Described filter element 5 by upper end cover 51, bottom end cover 54 and be positioned at upper end cover 51 and bottom end cover 54 it
Between filter paper 52, central canal 53 and one-way valve structures 6 constitute, and described one-way valve structures 6 is arranged at described central canal 53
Internal；Between upper end cover 51 and filter paper 52, between upper end cover 51 and central canal 53, upper end cover 51 and mozzle 65, bottom end cover 54
Carry out even with between filter paper 52, between bottom end cover 54 and central canal 53, between bottom end cover 54 and mozzle 65, employing glue is bonding
Connect.
Described one-way valve structures 6 comprises check valve and holds out against spring 61, check valve gland 62, check valve 63, check valve sealing
The parts such as circle 64 and mozzle 65, between described check valve gland 62 and described mozzle 65 in elastic conjunction mode even
Connect.
Described mozzle 65 has mozzle first face of cylinder 651 of two or more different-diameter, mozzle the second circle
Cylinder 652 and mozzle the 3rd face of cylinder 653.Set between mozzle first face of cylinder 651 and mozzle second face of cylinder 652
There is check valve seal band 654, in the downside of described check valve seal band 654 and be positioned on mozzle second face of cylinder 652
Circumferentially it is disposed with one or more steam vent 655, between a diameter of 0.3mm ~ 1mm of steam vent 655.
Described check valve 63 and described check valve sealing ring 64 are held out against spring 61 and described check valve pressure by described check valve
Lid 62 is pressed on the described check valve seal band 654 of described mozzle 65 and seals.
Described check valve gland 62 has the different small cylindrical surface of at least two diameter 622 and the big face of cylinder
623, between described small cylindrical surface 622 and the described big face of cylinder 623, there is the excessive face of annular 624, at described annulus
What the excessive face of shape 624 was provided with between a diameter of 1mm ~ 10mm being distributed uniformly and circumferentially crosses opening 625, described
Middle flowing hole 621 is in axial direction offered in the middle of small cylindrical surface 622.
Described mozzle 65 is separate two parts with described upper end cover 51, and the mozzle 65 told is plastics
Profiled member, described upper end cover 51 is metallic stamping pieces or improved plastics structural shape.
Described mozzle 65 can also use the modes such as injection or riveting to be made of one formula part with described upper end cover 51
Or assembly, described check valve 63, described check valve gland 62, described check valve sealing ring 64 and described check valve hold out against spring 61
Deng constitute one-way valve structures 6 assembling parts on described unitary components or assembly.
As in figure 2 it is shown, when the engine operates, one-way valve structures 6 is in open mode, flows in diesel oil flow direction such as figure
To shown in arrow.Diesel oil from the fuel feed hole of thread plate assembly 2 enter and arrive cleaner filter element filter on front side of 55, then flow through
Filter paper 52 enter into after filtering out impurity filter element filter on rear side of 56；Flow the most still further below, enter the mozzle bottom mozzle 65
Oil-in 656, the most up, the oil-out of cleaner is flowed out to finally by one-way valve structures 6.
On front side of the filter of diesel fuel filter housing 4 internal core, 55 total residuals have some gases, and the source of these gases has: 1) more
The air brought into when renewing filter element；2) gas dissolved in diesel oil separates out when pressure changes and collects.Steadily transport at electromotor
During row, on front side of filter element filter, on front side of liquid level, filter, gas and filter backside gas are in the state of dynamic equilibrium.When certain a period of time
Carving, the unexpected souping up of electromotor, the flow of the diesel oil in fuel system pipeline can increase the most suddenly, with filter before filter paper filter
The pressure differential of rear side also can increase suddenly.In this case gas on front side of filter can be caused to be entered into by filter paper the most relatively largely
On rear side of filter.If at this time there is no mozzle 65 in central canal 53, then enter into the relatively large ground gas of 56 on rear side of filter element filter
The meeting unobstructed whole risings of milli, then discharge from the oil-out of cleaner, enter the spraying system of electromotor, Jin Erzao afterwards
Become electromotor operation exception.Such as, cause that electromotor is the most unable, panting or flame-out etc., may strike a bargain under extreme case
Interpreter's event.Filter element 5 of the present utility model is internal with mozzle 65, and a beneficial effect of mozzle 65 is to avoid enter into
Relatively large ground gas the biggest stock ground on rear side of filter escapes and enter engine injector system from oil-out.This utility model has
Filter element 5 Inner guide pipe 65, enters on rear side of filter paper filter 56 and the gas that intercepts of diversed pipe 65, the mistake that can flow at diesel oil
Discharging lentamente from steam vent 655 in journey, this has just ensured the even running started.
Another beneficial effect of mozzle 65 is: shuts down the long period (such as night or continuous several days) when electromotor and stops
After car, on front side of filter element filter, the gas of 55 is understood and on rear side of filter element filter, the oil of 56 is replaced lentamente, causes filter element to be filtered
Rear side 56 intracavity oil be back to filter on front side of 55, and filter element filter on front side of 55 gas penetrate into filter element filter on rear side of 56.Because big portion
In the case of Fen, when electromotor is shut down, on front side of filter element filter, 55 remain gas more so that on front side of filter element filter, the liquid level of 55 is low
The liquid level of 56 on rear side of filter element filter.Penetrating on rear side of filter element filter the gas of 56 can be on diversed pipe 65 intercepts rather than is direct
It is raised to the oil-out of cleaner.When electromotor is again started up, owing to cleaner has mozzle 65, as well as mozzle
The mozzle oil-in 656 of 65 stretches into filter element 5 inner lower position, the diesel oil that engine fuel transfer pump can be drawn into more quickly
Rather than gas or be entrained with the diesel oil of more gas, such that it is able to the cold start-up of beneficially electromotor, improve electromotor
Cold starting performance.
Further, since be provided with one-way valve structures 6 on filter element 5, and opening direction is towards cleaner oil-out direction, is sending out
When motivation is shut down, the diesel oil on one-way valve structures 6 top compresses check valve 63 under gravity, and one-way valve structures 6 is in closedown
State.One-way valve structures 6 can be prevented effectively from diesel return, it is to avoid the backflow of diesel oil also avoids 56 gases on rear side of filter element filter
Rising.Thus ensureing when electromotor is again started up, engine fuel transfer pump can be with the diesel oil being rapidly drawn into rather than gas
Body or be entrained with the diesel oil of more gas, such that it is able to the cold start-up of beneficially electromotor, improves the cold starting property of electromotor
Energy.
In sum, this utility model scheme in avoiding engine operation process because of spraying system enter more gas and
Stop working, after avoiding the engine long time to shut down, gas enters cleaner oil-out, and is avoiding diesel return guarantee to start
During machine cold start-up, the three aspect effects such as fast absorbing oil are notable, can ensure that electromotor even running the most greatly changes simultaneously on the whole
It is apt to the cold starting performance of electromotor.
Embodiment two
As shown in Fig. 1 ~ Fig. 7, identical with embodiment one on the present embodiment population structure, difference is: embodiment two
Mozzle 65 use the modes such as injection or riveting to be made of one formula part or assembly with upper end cover 51, one-way valve structures 6 is arranged
On this unitary components or assembly.The advantageous effects due to the function of embodiment two and reached and embodiment one complete
Sample, repeats no more.
Of the present utility model ultimate principle and principal character have more than been shown and described.The technical staff of the industry should
Solving, this utility model is not restricted to the described embodiments, and simply illustrates that this practicality is newly described in above-described embodiment and description
The principle of type, on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications,
In the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope by appended
Claims and equivalent thereof define.
Claims (8)
1. a diesel filter, including assembly sealing ring, thread plate assembly, inner seal ring, filter case, filter
Core, filter element hold out against spring, oil-in, oil-out, it is characterised in that: in the middle part of described filter element, it is provided with opening direction towards filter
The one-way valve structures in oil-out direction after clear device filter.
Diesel filter the most according to claim 1, it is characterised in that: the filter element of described cleaner by upper end cover,
Bottom end cover and the filter paper between upper end cover and bottom end cover, central canal and mozzle assembly are constituted, and described water conservancy diversion
Pipe assembly is arranged at inside described central canal, between upper end cover and filter paper, upper end cover and central canal, upper end cover and mozzle it
Between, use between bottom end cover and filter paper, between bottom end cover and central canal, between bottom end cover and mozzle that glue is bonding to carry out even
Connect.
Diesel filter the most according to claim 2, it is characterised in that: described one-way valve structures comprise mozzle,
Check valve, check valve sealing ring, check valve hold out against spring and check valve gland, described check valve gland and described mozzle
Between connect in elastic conjunction mode.
Diesel filter the most according to claim 3, it is characterised in that: described mozzle has two or more not
With mozzle first face of cylinder, mozzle second face of cylinder and mozzle the 3rd face of cylinder of diameter, at mozzle the first cylinder
It is provided with check valve seal band between face and mozzle second face of cylinder, leads in the downside of described check valve seal band and being positioned at
Flow tube is circumferentially disposed with one or more steam vent on second face of cylinder, between a diameter of 0.3mm ~ 1mm of steam vent.
5. according to the diesel filter described in claim 3 or 4, it is characterised in that: described check valve and described check valve
Sealing ring is held out against spring and described check valve gland is pressed on the described check valve seal band of described mozzle also by described
Seal.
Diesel filter the most according to claim 3, it is characterised in that: described check valve gland has at least two
, there is annulus on small cylindrical surface that individual diameter above is different and the big face of cylinder between described small cylindrical surface and the described big face of cylinder
The excessive face of shape, is provided with the mistake between a diameter of 1mm ~ 10mm being distributed uniformly and circumferentially on the described excessive face of annular
Opening, in axial direction offers middle flowing hole in the middle of described small cylindrical surface.
Diesel filter the most according to claim 2, it is characterised in that: described mozzle with described upper end cover is
Two separate parts, the mozzle told is improved plastics structural shape, and described upper end cover is metallic stamping pieces or plastics one-tenth
Type part.
Diesel filter the most according to claim 2, it is characterised in that: described mozzle is adopted with described upper end cover
Being made of one formula part or assembly by modes such as injection or rivetings, described check valve, described check valve gland, described check valve are close
Seal and described check valve hold out against spring etc. and constitute the assembling parts of one-way valve structures on described unitary components or assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685589.8U CN205841067U (en) | 2016-07-04 | 2016-07-04 | A kind of diesel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685589.8U CN205841067U (en) | 2016-07-04 | 2016-07-04 | A kind of diesel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841067U true CN205841067U (en) | 2016-12-28 |
Family
ID=58149358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620685589.8U Expired - Fee Related CN205841067U (en) | 2016-07-04 | 2016-07-04 | A kind of diesel filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841067U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523220A (en) * | 2016-12-29 | 2017-03-22 | 广西华原过滤系统股份有限公司 | Novel two-stage fuel filtering system |
| CN107975447A (en) * | 2017-12-25 | 2018-05-01 | 广西华原过滤系统股份有限公司 | A kind of removable plastics environment protecting diesel fuel filter |
| CN108087172A (en) * | 2018-01-12 | 2018-05-29 | 平原滤清器有限公司 | Diesel fuel filter modularization filter element upper cover component |
-
2016
- 2016-07-04 CN CN201620685589.8U patent/CN205841067U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523220A (en) * | 2016-12-29 | 2017-03-22 | 广西华原过滤系统股份有限公司 | Novel two-stage fuel filtering system |
| CN107975447A (en) * | 2017-12-25 | 2018-05-01 | 广西华原过滤系统股份有限公司 | A kind of removable plastics environment protecting diesel fuel filter |
| CN108087172A (en) * | 2018-01-12 | 2018-05-29 | 平原滤清器有限公司 | Diesel fuel filter modularization filter element upper cover component |
| CN108087172B (en) * | 2018-01-12 | 2024-01-12 | 平原滤清器有限公司 | Modular filter element upper cover assembly for diesel filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190704 |