CN209011986U - A kind of fuel oil pump assembly filter - Google Patents
A kind of fuel oil pump assembly filter Download PDFInfo
- Publication number
- CN209011986U CN209011986U CN201821833804.XU CN201821833804U CN209011986U CN 209011986 U CN209011986 U CN 209011986U CN 201821833804 U CN201821833804 U CN 201821833804U CN 209011986 U CN209011986 U CN 209011986U
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- Prior art keywords
- filter
- fuel
- lower case
- fuel oil
- shell
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Abstract
The utility model discloses a kind of fuel oil pump assembly filters, including filter body and the fuel pump for being set to filter body top, filter body includes upper filter shell and filter lower case, upper filter shell and filter lower case is detachable is assembled together；It is equipped with filter core in the lower case of upper filter shell and filter, and upper filter shell further includes fuel feed hole and the oil pumping hole for being connected to the fuel pump, to realize that fuel oil enters from fuel feed hole, through filter element filtering, is extracted out by fuel pump by hole of pumping and transfer to engine.By setting detachable upper filter shell and filter lower case for filter body, assembly and replacement filter core easy to produce reduces processing step and manufacture difficulty, while reducing production cost；In addition, also reducing the regular maintenance cost of the automobile using the fuel oil pump assembly filter.
Description
Technical field
The utility model relates to auto parts machinery manufacture technical field, in particular to a kind of fuel oil pump assembly filter.
Background technique
Engine is the heart of automobile, and fuel pump is then for the important component in engine fuel system, to by fuel tank
In fuel oil be delivered to engine, and filter is then the fuel feeding filtration to engine, can effectively promote engine
Service life.
Existing electric-spraying fuel pump is usually assembly structure namely electric-spraying fuel pump assembly, and electric-spraying fuel pump assembly is electricity
Spray the synthesis of fuel pump, filter, fuel level sensor and mounting flange etc..The shell of current fuel oil pump assembly filter
For the integral structure of welding, the interior filter core for being equipped with filtration of shell, such fuel oil pump assembly filter processing and manufacturing is again
It is miscellaneous, filter is welded and expends the time, increase processing step, correspondingly increases manufacturing cost；In addition, by being welded as a whole
The shell of fuel oil pump assembly filter be an integral structure, filter core can not be replaced, it is usually direct when needing replacing filter core
Fuel oil pump assembly filter is replaced, vehicle maintenance cost is increased.
Therefore, how to solve the problems, such as that the processing and manufacturing of fuel oil pump assembly filter is complicated, at high cost and can not replace filter core
As those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of fuel oil pump assembly filter, which can be reduced
Processing technology step and difficulty reduce manufacturing cost, at the same can simple and convenient replacement filter core, reduce the maintenance cost of automobile.
To achieve the above object, the utility model provides a kind of fuel oil pump assembly filter, including filter body and with
The fuel pump that the filter body is wholely set；
The filter body includes upper filter shell and filter lower case, the upper filter shell and the filter
Clear device lower case detachably assembly connection further includes being built in the upper filter shell and the filter lower casing is intracorporal
Filter core；
The fuel pump is set at the top of the upper filter shell, and the upper filter shell further includes fuel feed hole and be connected to
It, through filter element filtering, is taken out by fuel pump by the oil pumping hole with realizing that fuel oil enters from fuel feed hole in the oil pumping hole of the fuel pump
Out and transfer to engine.
Preferably, the upper filter shell and the filter lower case pass through the buckle knot set on the junction of the two
Structure assembly connection.
Preferably, the upper filter shell is connected with the filter lower case by Screw assembly.
Preferably, O-ring seal is additionally provided between the upper filter shell and the filter lower case.
Preferably, the bottom of the lower case is additionally provided with an outage, and the outage exit is equipped with nozzle, described
Nozzle is connected by pipeline with the fuel feed hole.
Preferably, the nozzle exit, the vertical nozzle extending direction straight line on, also set up connection fuel tank
Intercommunicating pore, to realize the suction to liquid level of fuel oil in fuel tank, Xiang Suoshu filter body fuel feeding.
Preferably, the oil pumping hole is additionally provided with when cut-out of fuel pump, with to avoid fuel flow returns to the filtering
The intrinsic choked flow piece of device.
Preferably, the choked flow piece include set on it is described oil pumping hole in elastic component and be set to the elastic component lower end, with
The connected sealing element of elastic component, under the elastic force effect of the elastic component, the sealing element blocks the oil pumping hole.
Relative to above-mentioned background technique, fuel oil pump assembly filter provided by the utility model, filter body is
Split type structure, including a upper filter shell and a filter lower case, upper filter shell and filter lower case
Detachably assembly is integral；Such structure design avoids the welding procedure of shell, has saved process for machining and manufacturing and cost,
More importantly the filter case being welded as a whole can not replace filter core, and fuel pump provided by the utility model is total
At the filter body of filter adopted a split structure, it can be convenient and two parts, change bit are split as to filter body
In upper filter shell and the intracorporal filter core of filter lower casing；When needed according to vehicle driving mileage come to filter body into
Row replacement filter core, avoids integral replacing fuel oil pump assembly, reduces the regular maintenance cost of automobile.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
The structural schematic diagram of Fig. 1 fuel oil pump assembly filter provided by the utility model；
Fig. 2 is the top view of fuel oil pump assembly filter provided by the utility model in Fig. 1；
Fig. 3 is the B-B direction revolved view of fuel oil pump assembly filter provided by the utility model in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the structural schematic diagram of Fig. 1 fuel oil pump assembly filter provided by the utility model；
Fig. 2 is the top view of fuel oil pump assembly filter provided by the utility model in Fig. 1；Fig. 3 is mentioned by the utility model in Fig. 1
The B-B direction revolved view of the fuel oil pump assembly filter of confession.
Fuel oil pump assembly filter provided by the utility model includes a filter body 2 and with filter assembly is
The fuel pump 1 of one, wherein fuel pump 1 is connected with filter, and filter body 2 includes 21 He of upper filter shell
One filter lower case 22, upper filter shell 21 and the assembly of filter lower case 22 are constituted on shell and the filter of sealing
Shell 21 and filter lower case 22 can facilitate fractionation and installation, also have in upper filter shell 21 and filter lower case 22
The filter core 23 that fuel oil is filtered；Wherein, fuel pump 1 is set to the top of upper filter shell 21, by being located on filter
The oil pumping hole 212 at the top of shell 21 is connected to filter body 2, and upper filter shell 21 is additionally provided with fuel feed hole 211, fuel oil from
Fuel feed hole 211 enters, and filters through filter core 23, extracts out from oil pumping hole 212 through fuel pump 1 and transfers to engine.
Fuel oil pump assembly filter provided by the utility model, the shell of filter body 2 are dismountable seperated
Formula structure is connected as the shell of a sealing by simple mechanical assembly structure, reduces processing steps and the processing such as welding
Time-consuming reduces production cost；In addition, detachable filter case is conducive to replace filter core 23 according to demand, avoid because
The damage of filter core 23 or failure replacement fuel oil pump assembly, have saved the regular maintenance cost of automobile.
Referring to FIG. 1, in a specific embodiment provided by the utility model, fuel oil provided by the utility model
Pump assembly filter specifically includes fuel pump 1 and columned filter body 2；Wherein, filter body 2 includes cooperating
Cylindric upper filter shell 21 and filter lower case 22, cylindric upper filter shell 21 and filter lower casing
Body 22 is especially by buckle structure assembly connection as shown in Figure 1,22 diameter phase of upper filter shell 21 and filter lower case
Same and 22 diameter of junction filter lower case is greater than upper filter shell 21, connects and fixes upper filter shell 21 in filter
Clear device lower case 22 realizes the sealing assembly of the two；Wherein, buckle structure includes set on the inlay card portion of upper filter shell 21
214 and set on filter lower case 22 lug boss 222,222 inlay card of lug boss realizes filter lower case in clamp portion 214
22 and upper housing sealing assembly；To further increase sealing performance, also the setting O-ring seal 25 in junction.
When needing replacing filter core 23, it is detachable 21 He of upper filter shell that lug boss 222 is removed from inlay card portion 214
Filter lower case 22.Namely replace the integral type of existing welding by the filter case of the split type structure convenient for splitting
Shell reduces welding procedure, reduces production cost；Replacement filter is replaced by replacement filter core 23 or even fuel pump is total
At having saved regular maintenance cost.
Filter core 23 between upper filter shell 21 and filter lower case 22 is cylindric filter paper, and filter paper is in folding
Shape, and be coaxially disposed in the shell of filter body 2, at the edge at 21 top of upper filter shell, it is equipped with a fuel feed hole
211, it is equipped with an oil pumping hole 212 in the center at 21 top of upper filter shell, oil pumping hole 212 is connected in cylindric filter core 23
The hollow cylinder of centre, fuel pump 1 are connected to filter body 2 by oil pumping hole 212.Fuel oil enters filter body from fuel feed hole 211
2, it is filtered through filter core 23,23 center of filter core is flowed to by the edge of filter core 23, by fuel pump 1 through the extraction of oil pumping hole 212 and through fuel-displaced
Hole 11 transfers to engine, and the relative position of fuel feed hole 211 and oil outlet 11 please refers to Fig. 2.
The bottom of filter lower case 22 is additionally provided with an outage 221, connects nozzle 24 under outage 221, at nozzle 24
Install boring cover additional, nozzle 24 is again introduced into the fuel oil being discharged from outage 221 by fabric connectivities fuel feed holes 211 such as pipelines 3
Filter body 2 realizes the filtering again to fuel oil.In the rectilinear duct of 24 extending direction of perpendicular nozzle, it is also provided with one
It is connected to the intercommunicating pore 241 of fuel tank.Fuel oil height since fuel oil pump assembly filter is disposed in fuel tank, at nozzle 24
Lower than the height of liquid level of fuel oil in fuel tank, under siphon principle effect, the fuel oil in fuel tank is entered in pipeline 3 by intercommunicating pore 241, together
When nozzle 24 swabbing action is played to the fuel oil in fuel tank while spray fuel oil, make fuel oil in fuel tank by pipeline 3 and into
Oilhole 211 is filtered into filter body 2, and most of fuel oil is after the filtering of filter core 23 by fuel pump 1 from oil pumping hole 212
Extraction, transfers to engine through oil outlet 11；Small part fuel oil is discharged through outage 221 and nozzle 24, passes through pipeline 3 and oil inlet
Hole 211 is again introduced into filter body 2 and is filtered.
When fuel pump 1 stops working, the liquid level in fuel tank and in pipeline 3 is higher than the fuel oil in filter body 2
Liquid level enters filter body 2 by outage 221 since siphon principle will lead to filtered fuel oil, starts when next time
When fuel pump 1, it will lead to filtered fuel oil and enter engine, influence the service life of engine.
To avoid this type of circumstances from happening, the utility model is especially provided with choked flow piece 213 at oil pumping hole 212, is firing
When oil pump 1 stops working, choked flow piece 213 can close oil pumping hole 212, on the one hand prevent the fuel flow returns in fuel pump 1 from extremely filtering
In clear device ontology 2, even more important one side plays the role of closing filter body 2, so that even if in fuel tank or pipeline 3
Liquid level be higher than the liquid level in filter body 2, since filter body 2 is closed, internal air pressure can be offset
This pressure difference prevents the oil liquid in fuel tank or pipeline 3 from flowing backward into filter body 2.
It is specific referring to FIG. 3, choked flow piece 213 mainly including upper end be fixed on elastic component 2131 in oil pumping hole 212 and with
The connected sealing element 2132 in 2131 lower end of elastic component, tapered at the lower end in hole 212 of pumping, sealing element 2132 is one and oil pumping
The hemispherical block of 212 lower end of hole cooperation；When fuel pump 1 stops working, sealing element 2132 is under the effect of 2131 elastic force of elastic component
Closure oil pumping hole 212 is moved down, so that filter body 2 constitutes the cavity of a sealing, by the Spring balanced of elastic component 2131
Because liquid level difference generates pressure difference；When fuel pump 1 works, the suction of fuel pump 1 overcomes elastic force, makes on sealing element 2132
It moves, oil pumping hole 212 is connected, and fuel pump 1 transfers to engine from the fuel oil that filter body 2 normally pumps filtering.
It is of course also possible to non-return valve is added at outage 221 come avoid the oil liquid in fuel tank or pipeline 3 flow backward into
1 filter of fuel pump, non-return valve is only capable of flowing out fuel oil inside filter body 2 through outage 221, while blocking non-mistake
The fuel oil of filter, which flows backward, enters filter body 2, ensure that fuel pump 1 transfers to the quality of the fuel oil of engine, extends engine
Service life.
In another specific embodiment of the utility model, upper filter shell 21 and filter lower case 22 pass through
Screw assembly connection.Concrete operations are that filter lower case 22 opens up internal screw thread, and upper housing opens up external screw thread, passes through internal and external threads
Cooperation by upper filter shell 21 and filter lower case 22 assembly be an entirety；When needing replacing filter core 23, relatively
It rotates upper filter shell 21 and filter lower case 22 completes disassembly, after more finishing changing filter core 23, ressemble.To mention
High leakproofness, upper filter shell 21 and 22 junction of filter lower case can equally add O-ring seal 25.Filter sheet
The structure of the other parts of body 2 can refer to above-described embodiment, not reinflated detailed introduction.
Fuel oil pump assembly filter provided by the utility model, filter body 2 use split type shell, including one
A upper filter shell 21 and a filter lower case 22, upper filter shell 21 and filter lower case 22 detachably fill
With integral；Reduce process for machining and manufacturing and reduce production cost, comes when needed according to vehicle driving mileage to filtering
Device ontology 2 carries out replacement filter core 23, avoids integral replacing fuel oil pump assembly, reduces the regular maintenance cost of automobile.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Fuel oil pump assembly filter provided by the utility model is described in detail above.Tool used herein
Body example is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only to help to understand
The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off
Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It also falls into the protection scope of the utility model claims.
Claims (8)
1. a kind of fuel oil pump assembly filter, which is characterized in that including filter body (2) and with the filter body (2)
The fuel pump (1) being wholely set；
The filter body (2) includes upper filter shell (21) and filter lower case (22), the upper filter shell
(21) and the filter lower case (22) detachably assembly connection, further include be built in the upper filter shell (21) and
Filter core (23) in the filter lower case (22)；
The fuel pump (1) is set at the top of the upper filter shell (21), and the upper filter shell (21) further includes oil inlet
Hole (211) and the oil pumping hole (212) for being connected to the fuel pump (1), to realize that fuel oil enters from the fuel feed hole (211), through institute
Filter core (23) filtering is stated, is extracted out by the fuel pump (1) by the oil pumping hole (212) and transfers to engine.
2. fuel oil pump assembly filter according to claim 1, which is characterized in that the upper filter shell (21) and institute
It states filter lower case (22) and passes through the buckle structure assembly connection set on the junction of the two.
3. fuel oil pump assembly filter according to claim 1, which is characterized in that the upper filter shell (21) and institute
Filter lower case (22) is stated to connect by Screw assembly.
4. fuel oil pump assembly filter according to any one of claims 1 to 3, which is characterized in that the filter upper casing
O-ring seal (25) are additionally provided between body (21) and the filter lower case (22).
5. fuel oil pump assembly filter according to claim 4, which is characterized in that the lower case bottom is additionally provided with one
Outage (221), outage (221) exit be equipped with nozzle (24), the nozzle (24) by pipeline (3) and it is described into
Oilhole (211) connection.
6. fuel oil pump assembly filter according to claim 5, which is characterized in that in the nozzle (24) exit, hang down
On the extending direction of the straight nozzle (24), the intercommunicating pore (241) of connection fuel tank is also set up, to realize the pumping to liquid level of fuel oil in fuel tank
It inhales, Xiang Suoshu filter body (2) fuel feeding.
7. fuel oil pump assembly filter according to claim 6, which is characterized in that the oil pumping hole (212), which is additionally provided with, works as
When fuel pump (1) stops working, with to avoid the choked flow piece (213) in fuel flow returns to the filter body (2).
8. fuel oil pump assembly filter according to claim 7, which is characterized in that the choked flow piece (213) includes being set to
It is described oil pumping hole (212) in elastic component (2131) and be set to the elastic component (2131) lower end, with the elastic component (2131)
Connected sealing element (2132), under the elastic force effect of the elastic component (2131), the sealing element (2132) blocks the pumping
Oilhole (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833804.XU CN209011986U (en) | 2018-11-07 | 2018-11-07 | A kind of fuel oil pump assembly filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833804.XU CN209011986U (en) | 2018-11-07 | 2018-11-07 | A kind of fuel oil pump assembly filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011986U true CN209011986U (en) | 2019-06-21 |
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ID=66841890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821833804.XU Active CN209011986U (en) | 2018-11-07 | 2018-11-07 | A kind of fuel oil pump assembly filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115812004A (en) * | 2020-07-16 | 2023-03-17 | 马勒国际有限公司 | Filter module |
-
2018
- 2018-11-07 CN CN201821833804.XU patent/CN209011986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115812004A (en) * | 2020-07-16 | 2023-03-17 | 马勒国际有限公司 | Filter module |
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