CN207237475U - A kind of diesel fuel filter - Google Patents
A kind of diesel fuel filter Download PDFInfo
- Publication number
- CN207237475U CN207237475U CN201721275474.2U CN201721275474U CN207237475U CN 207237475 U CN207237475 U CN 207237475U CN 201721275474 U CN201721275474 U CN 201721275474U CN 207237475 U CN207237475 U CN 207237475U
- Authority
- CN
- China
- Prior art keywords
- oil
- hole
- housing
- oil hole
- diesel fuel
- 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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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of diesel fuel filter, including housing, housing has sealing inner cavity, the bottom of housing is provided with out oil hole, housing is equipped with the diesel oil for being located above oil hole and being used to be filtered from the extraneous input of housing to sealing inner cavity into oil hole, it is described into oil hole and to go out between oil hole to be equipped with filtering bearing plate, there is filtering through hole on filtering bearing plate, part cavity in the sealing inner cavity between oil hole and filtering bearing plate is the cavity of accommodating filter medium, oil hole is flow to out from entering into oil hole behind sealing inner cavity after filter media by the filtering through hole on filtering bearing plate by the diesel oil that filters, finally exported by going out oil hole to outside housing.The utility model is simple in structure and reasonable, and easy to operate versatile.
Description
Technical field
It the utility model is related to a kind of filtration apparatus, more particularly to a kind of diesel fuel filter.
Background technology
In the prior art, diesel fuel filter is widely used, but the various versatility of species is not strong, and is manufactured of high cost.For
This, it is necessary to existing diesel fuel filter is improved.
The content of the invention
In order to overcome above technical problem, the utility model provides a kind of diesel fuel filter, its structure is relatively easy, manufacture
Cost is low.
The utility model solves the technical solution that its technical problem uses：A kind of diesel fuel filter, including housing, housing
With sealing inner cavity, the bottom of housing is provided with out oil hole, and housing, which is equipped with, to be located above oil hole and for will be by mistake
The diesel oil of filter is described into oil hole and to go out between oil hole to be equipped with filtering from the extraneous input of housing to sealing inner cavity into oil hole
Bearing plate, filtering has filtering through hole on bearing plate, in the sealing inner cavity between oil hole and filtering bearing plate
Part cavity be accommodating filter medium cavity, the diesel oil filtered enters behind sealing inner cavity through filter medium from into oil hole
Oil hole is flow to out by the filtering through hole on filtering bearing plate after filtering, is finally exported by going out oil hole to outside housing.
Its technique effect：Be inside diesel fuel filter machine by shell wrap up seal cavity, the diesel oil filtered by into
Oil hole enters diesel fuel filter inner cavity, into inner cavity after diesel oil is flowed downward under the action of oil pressure and gravity, filtered
Diesel oil successively the diesel oil that makes to be filtered by filter medium, filter screen, filtering bottom board is separated with impurity, finally by bottom
Go out outside oil hole discharge housing；The utility model is simple in structure and reasonable, and easy to operate versatile.
Further, the housing is equipped with the pressure release through hole being located above oil hole, one end of the pressure release through hole
The connection end being connected for the sealing inner cavity with housing, the other end of pressure release through hole are to be led to outside housing by relief valve and oil inlet
The pressure relief port of the oil inlet end connection in hole；Relief valve is in normally off under normal circumstances, when diesel fuel filter chamber pressure
When excessive, relief valve can be opened chamber pressure is mitigated by the diesel oil that the discharge of pressure release through hole is filtered, enable diesel fuel filter just
Often operation, when chamber pressure is normal, relief valve replys normally off.
Further, the oil inlet end of the relief valve and oil-feed pump is connected with reflux line, reflux line and oil-feed pump
Oil inlet end is connected by threeway.
Further, the case top is hatch frame, and the opening of case top is provided with ring flange, on ring flange
There is a circular closure in side, be provided between ring flange and capping pressure limiting seal washer, capping and pressure limiting seal washer by screw and
Flangeseal connects；Ring flange is attached fixation with housing by seamless welding；Pressure limiting seal washer can be prevented by mistake
Filter and leaked from capping and the junction of ring flange, and since there is certain pressure in diesel fuel filter inner cavity, pass through pressure limiting gasket
Circle can prevent diesel fuel filter inner cavity from the situation of explosion pressure release occur.
Further, circular filter net is provided with above the filtering bearing plate, filter medium is supported on filter screen；
Filter medium can be according to the diesel oil filtered the selection quartz sand or cobblestone of different cultivars.
Further, the connection ring of shape in a ring is installed between the filtering bearing plate and filter screen, filter screen and
Connection ring is connected fixation by screw with filtering bearing plate；It is connected by screw filter screen and can facilitates and daily more changes the outfit
Tear open, the different filter screens and filter medium of density is selected according to the filtrate characteristic of different cultivars；And have on filtering bottom board more
A filtering through hole, filtering bottom board are placed in the junction of housing upper and lower part；The circular arc wall of filtering bottom board and the inner wall of housing
Face is attached fixation by seamless welding.
Further, it is described into oil-feed pump is connected with the outside of oil hole, it is equipped with upward 90 degree into the inner side of oil hole
Elbow.
Further, the oil outlet end of the pressure release through hole and 90 degree of elbows is located at same level height.
Further, 30 degree~90 degree of angle is formed between the axis of the axis and pressure release through hole into oil hole.
Further, it is provided with support feet below the housing；Diesel fuel filter is steadily erect by support feet, makes housing
Bottom goes out oil hole and leaves certain space position progress pipeline connection company or vessel handling.
Each above is further an example, and each example be able to can also both protected separately as one embodiment
Demonstrate,prove it is reconcilable under the premise of, each example any combination forms combined type embodiment.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional structure chart of utility model works state.
Fig. 3 is A portions enlarged drawing in Fig. 2.
Fig. 4 is the monnolithic case figure of the utility model use state.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation, on the contrary, the embodiment of the utility model is all in the range of the spirit and intension of attached claims including falling into
Change, modification and equivalent.
As shown in Figure 1, the diesel fuel filter of the present embodiment includes housing 1, housing 1 has sealing inner cavity, the bottom of housing 1
Oil hole 5 is provided with out, housing 1, which is equipped with, is located at the top of oil hole 5 and for the diesel oil filtered is extraneous defeated from housing 1
Enter to sealing inner cavity into oil hole 3, described into oil hole 3 and to go out between oil hole 5 to be equipped with filtering bearing plate 2, filtering branch
Holding has filtering through hole on bottom plate 2, the part cavity in the sealing inner cavity between oil hole 3 and filtering bearing plate 2 is
The cavity of accommodating filter medium 10, the diesel oil filtered is after into oil hole 3 into sealing inner cavity after filter medium 10 filters
Oil hole 5 is flow to out by the filtering through hole on filtering bearing plate 2, is finally exported by going out oil hole 5 to outside housing 1, during which, mistake
The thickness and species of filter medium 10 can be according to different filtrates（That is diesel oil）Muddy degree and output limpid degree depending on, one
As for, filter medium 10 can be quartz sand.
As Figure 1 and Figure 4, the housing 1 is equipped with the pressure release through hole 4 for being located at the top of oil hole 5, and the pressure release is led to
The one end in hole 4 is the connection end being connected with the sealing inner cavity of housing 1, and the other end of pressure release through hole 4 is outer by letting out positioned at housing 1
The pressure relief port that pressure valve 12 is connected with into the oil inlet end of oil hole 3.Relief valve 12 and the oil inlet end of oil-feed pump 11 are connected with reflux
Pipeline 13, reflux line 13 are connected with the oil inlet end of oil-feed pump 11 by threeway.The top of housing 1 be hatch frame, at the top of housing 1
Opening be provided with ring flange 6.1, there is circular closure 6.2 in the top of ring flange 6.1, is set between ring flange 6.1 and capping 6.2
Limited densification seal washer 7, capping 6.2 and pressure limiting seal washer 7 are tightly connected by screw and ring flange 6.1, when in housing 1
Pressure exceedes the upper limit, and oil pressure just racks pressure limiting sealing ring 7, realizes damage type release, improves the security performance of product.
As shown in Figures 2 and 3, filter the top of bearing plate 2 and be provided with circular filter net 8, filter medium 10 was supported on
On strainer 8.
As shown in Figures 1 to 4, the connection ring 9 that shape in a ring is provided between bearing plate 2 and filter screen 8, filtering are filtered
Net 8 and connection ring 9 are connected fixation by screw with filtering bearing plate 2.The outside into oil hole 3 is connected with oil-feed pump
11,90 degree of upward elbows are equipped with into the inner side of oil hole 3.The oil outlet end of pressure release through hole 4 and 90 degree of elbows is located at same level
Highly.Into oil hole 3 axis and pressure release through hole 4 axis between form 30 degree~90 degree of angle.The lower section of housing 1 is provided with
Support feet 14, support feet 14 are three circumference uniform distributions in the lower section of housing 1.
The seal cavity wrapped up by housing 1 inside diesel fuel filter machine, by oil-feed pump 11 make the diesel oil that is filtered from
Enter diesel fuel filter inner cavity into oil hole 3, the diesel oil filtered enters behind inner cavity in the discharge pressure and gravity of oil-feed pump 11
Under the action of diesel oil is flowed downward, the diesel oil that is filtered is successively right by filter medium 10, filter screen 8, filtering bearing plate 2
The diesel oil filtered carries out impurity separation, and kettle body is discharged finally by the oil hole 5 that goes out of bottom；Relief valve 12 is under normal circumstances
In normally off, when diesel fuel filter chamber pressure is excessive, diesel oil that relief valve 12 filtered is opened from 4 row of pressure release through hole
Go out to enter by reflux line 13 oil inlet end of oil-feed pump 11, so as to fulfill circulating, the diesel oil filtered reduces rear interior cavity
Pressure recovery normal level, relief valve 11 reply normally off.
Diesel fuel filter by the junction to ring flange 6.1 and housing 1 and the upper and lower part junction of housing 1 into
Row seamless welding, ring flange 6.1 strengthen leakproofness by installing pressure limiting seal washer 7 with capping 6.2, make diesel fuel filter inner cavity
Form the cavity of sealing；When needing replacing or cleaning filter medium 10 or filter screen 8 only need to open capping 6.2 it is easy to operate and
And conveniently；Suitable filter medium 10 and filter screen 8, connection ring 9 is selected to pacify filter screen 8 according to the different diesel oil filtered
It is more convenient to be attached to filtering bearing plate 2, and makes to accelerate diesel oil flowing from there is space between filter screen 8 and filtering bearing plate 2
Speed.
Claims (10)
1. a kind of diesel fuel filter, it includes housing（1）, it is characterised in that：Housing（1）With sealing inner cavity, housing（1）Bottom
Portion is provided with out oil hole（5）, housing（1）It is equipped with and is located at oil hole（5）Top and for will the diesel oil that be filtered from shell
Body（1）External world's input is to sealing inner cavity into oil hole（3）, it is described into oil hole（3）With going out oil hole（5）Between be equipped with filtering
Bearing plate（2）, filter bearing plate（2）On have filtering through hole, it is described into oil hole（3）With filtering bearing plate（2）Between
Sealing inner cavity in part cavity be accommodating filter medium（10）Cavity, the diesel oil filtered is from into oil hole（3）Into
Through filter medium behind sealing inner cavity（10）By filtering bearing plate after filtering（2）On filtering through hole flow to out oil hole（5）, most
Afterwards by going out oil hole（5）Export to housing（1）Outside.
2. diesel fuel filter according to claim 1, it is characterised in that：The housing（1）It is equipped with and is located at oil hole
（5）The pressure release through hole of top（4）, the pressure release through hole（4）One end be and housing（1）Sealing inner cavity connection connection end,
Pressure release through hole（4）The other end be positioned at housing（1）Pass through relief valve outside（12）With into oil hole（3）Oil inlet end connection unload
Pressure side mouth.
3. diesel fuel filter according to claim 2, it is characterised in that：Relief valve（12）With oil-feed pump（11）Oil inlet end
It is connected with reflux line（13）, reflux line（13）With oil-feed pump（11）Oil inlet end connected by threeway.
4. diesel fuel filter according to claim 1, it is characterised in that：Housing（1）Top is hatch frame, housing（1）
The opening at top is provided with ring flange（6.1）, ring flange（6.1）There is circular closure in top（6.2）, ring flange（6.1）And envelope
Lid（6.2）Between be provided with pressure limiting seal washer（7）, capping（6.2）With pressure limiting seal washer（7）Pass through screw and ring flange
（6.1）It is tightly connected.
5. according to the diesel fuel filter described in claim 1 or 2 or 3 or 4, it is characterised in that：Filter bearing plate（2）Top is set
It is equipped with circular filter net（8）, filter medium（10）It is supported on filter screen（8）On.
6. diesel fuel filter according to claim 5, it is characterised in that：Filter bearing plate（2）And filter screen（8）Between
The connection ring of shape in a ring is installed（9）, filter screen（8）And connection ring（9）Pass through screw and filtering bearing plate（2）Connection is solid
It is fixed.
7. according to the diesel fuel filter described in claim 1 or 2 or 3 or 4, it is characterised in that：It is described into oil hole（3）Outside
It is connected with oil-feed pump（11）, into oil hole（3）Inner side be equipped with 90 degree of upward elbows.
8. diesel fuel filter according to claim 7, it is characterised in that：Pressure release through hole（4）With the oil outlet end of 90 degree of elbows
Positioned at same level height.
9. diesel fuel filter according to claim 8, it is characterised in that：Into oil hole（3）Axis and pressure release through hole（4）
Axis between form 30 degree~90 degree of angle.
10. according to the diesel fuel filter described in claim 1 or 2 or 3 or 4, it is characterised in that：Housing（1）Lower section is provided with branch
Spike（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275474.2U CN207237475U (en) | 2017-09-30 | 2017-09-30 | A kind of diesel fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721275474.2U CN207237475U (en) | 2017-09-30 | 2017-09-30 | A kind of diesel fuel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207237475U true CN207237475U (en) | 2018-04-17 |
Family
ID=61890546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721275474.2U Expired - Fee Related CN207237475U (en) | 2017-09-30 | 2017-09-30 | A kind of diesel fuel filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207237475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173427A (en) * | 2018-11-01 | 2019-01-11 | 湖北赛恩斯科技股份有限公司 | A kind of dismountable Multistage filtering device of filter core |
-
2017
- 2017-09-30 CN CN201721275474.2U patent/CN207237475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173427A (en) * | 2018-11-01 | 2019-01-11 | 湖北赛恩斯科技股份有限公司 | A kind of dismountable Multistage filtering device of filter core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180417 Termination date: 20210930 |