CN211116353U - Microporous fuel filter and joint assembly thereof - Google Patents
Microporous fuel filter and joint assembly thereof Download PDFInfo
- Publication number
- CN211116353U CN211116353U CN201922102782.0U CN201922102782U CN211116353U CN 211116353 U CN211116353 U CN 211116353U CN 201922102782 U CN201922102782 U CN 201922102782U CN 211116353 U CN211116353 U CN 211116353U
- Authority
- CN
- China
- Prior art keywords
- cup
- shaped body
- microporous
- fuel filter
- 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.)
- Active
Links
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to fuel engine fuel filter field discloses a micropore formula fuel filter and joint Assembly thereof, include: the cup-shaped body is provided with an open end at the upper end and a blind end at the lower end; the lower end is provided with a positioning part and an oil guide part; the positioning part is used for positioning the cup-shaped body, and the oil guide part is used for fuel oil circulation; be provided with filtration area and installation department on the lateral wall of cup-shaped body, filtration area is adjacent with the cecum, and the installation department is located the open end of cup-shaped body, is provided with a plurality of filtration pores on the lateral wall of filtration area, and the aperture of filtering the pore is 5 ~ 190 um. The structure of the original microporous filter is optimized, so that the filtering precision of the original microporous filter is ensured, the problem of installation and positioning of the original microporous filter is solved, the installation and positioning of the microporous fuel filter in the fuel atomization joint are ensured without influencing the total fuel output of the whole pipeline, no inclination is caused, and the microporous fuel filter is simple in structure, convenient to process, low in cost and high in practicability.
Description
Technical Field
The utility model relates to a fuel engine fuel filter field, concretely relates to micropore formula fuel filter and joint Assembly thereof.
Background
A gap type filter is arranged in a fuel nozzle in a high-pressure common rail fuel injection system of the existing fuel engine, and can only be used for roughly filtering missing impurities and not realizing fine filtering of fuel, so that faults or damages of a fuel injector are easily caused, and the full combustion of the fuel is not facilitated. In addition, an original microporous filter (for example, patent application No. 201610559310.6, entitled fuel pre-atomizer, fuel atomizing joint and manufacturing method of the fuel pre-atomizer discloses a microporous filter) is assembled only with a mounting part and a fuel atomizing joint, and higher coaxiality is required for the fuel atomizing joint matched with the filter due to the appearance structure of the filter. Therefore, the existing microporous filter is difficult to install and position, and the flow stability in the whole oil supply system pipeline is affected after the microporous filter is assembled and inclined.
SUMMERY OF THE UTILITY MODEL
For solving the above problem, the utility model provides a micropore type fuel filter and joint Assembly thereof optimizes in former micropore type filter structure, has not only guaranteed former micropore type filter's filter fineness, has solved former micropore type filter's installation location problem simultaneously, under the condition that does not influence whole pipeline and produce oil the total amount, guarantees micropore type fuel filter and installs the location in fuel pipeline connects, can not take place the slope, and simple structure, processing is convenient, low cost, and the practicality is strong.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A microporous fuel filter comprising: the cup-shaped body is provided with an open end at the upper end and a blind end at the lower end; the lower end is provided with a positioning part and an oil guide part; the positioning part is used for positioning the cup-shaped body, and the oil guide part is used for fuel oil circulation; be provided with filtration area and installation department on the lateral wall of cup-shaped body, filtration area with the cecum is adjacent, the installation department is located the open end of cup-shaped body, be provided with a plurality of filtration pores on filtration area's the lateral wall, the aperture of filtering the pore is 5 ~ 190 um.
Preferably, the positioning portion is an axial rib arranged on the side wall of the lower end of the cup-shaped body, the number of the axial ribs is multiple, and a gap between every two adjacent axial ribs is an oil guide portion.
Preferably, a plurality of the axial ribs are circumferentially and uniformly distributed on the lower end side wall of the cup-shaped body.
Preferably, the height of the axial ribs along the central axis of the cup-shaped body is L, and 0 & lt L & lt 6 mm.
Preferably, the lower end of the cup-shaped body is in a shape of a truncated cone, a concave portion is arranged on the side surface of the shape of the truncated cone, the concave portion is an oil guide portion, and the side surface of the shape of the truncated cone is a positioning portion.
Preferably, the included angle between the generatrix of the truncated cone shape and the central axis of the cup-shaped body is 15-60 °.
Preferably, the number of the concave parts is multiple, and the multiple concave parts are evenly distributed on the side surface of the circular truncated cone in the circumferential direction.
(II) a microporous fuel filter adapter assembly comprising: a fuel line connection; the fuel joint is internally provided with a stepped hole, and the microporous fuel filter is assembled in the stepped hole.
Preferably, the positioning part is an axial convex rib, an annular surface matched with the axial convex rib is arranged in the stepped hole, and the outer side wall of the axial convex rib is in interference fit with the annular surface.
Preferably, the lower end of the cup-shaped body is in a circular truncated cone shape, an annular conical surface matched with the side face of the circular truncated cone shape is arranged in the stepped hole, and an included angle between a generatrix of the annular conical surface and the central axis of the cup-shaped body is 15-60 degrees.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic perspective view of a microporous fuel filter according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the microporous fuel filter of FIG. 1;
FIG. 3 is a schematic perspective view of a microporous fuel filter according to a second embodiment of the present invention;
FIG. 4 is a cross-sectional view of the microporous fuel filter of FIG. 3;
FIG. 5 is a schematic perspective view of a microporous fuel filter according to a third embodiment of the present invention;
FIG. 6 is a schematic perspective view of a microporous fuel filter according to a fourth embodiment of the present invention;
FIG. 7 is a schematic perspective view of a microporous fuel filter according to a fifth embodiment of the present invention;
FIG. 8 is a schematic view of a first embodiment of a microporous fuel filter adapter assembly according to the present invention;
fig. 9 is a schematic structural view of a second embodiment of a microporous fuel filter adapter assembly according to the present invention.
In the above figures: 1 a cup-shaped body; 101 a filtering area; 102 an installation part; 2, positioning part; 201 an axial rib; 3 an oil guide part; 301 a recessed portion; 4 fuel pipeline joint; 410 a stepped bore; 411 annular surface; 412 an annular conical surface.
Detailed Description
Referring to fig. 1 to 7, a micro-porous fuel filter according to an embodiment of the present invention includes: the cup-shaped body 1 is characterized in that the upper end of the cup-shaped body 1 is an open end, and the lower end of the cup-shaped body 1 is a blind end; the lower end is provided with a positioning part 2 and an oil guide part 3; the positioning part 2 is used for positioning the cup-shaped body 1, and the oil guide part 3 is used for fuel oil circulation; be provided with filtration area 101 and installation department 102 on cup-shaped body 1's the lateral wall, filtration area 101 with the cecum is adjacent, installation department 102 is located cup-shaped body 1's open end, be provided with a plurality of filtration pores on filtration area 101's the lateral wall, the aperture of filtering the pore is 5 ~ 190 um.
In the above embodiment, the blind end structure of the existing microporous filter is improved, the mounting portion 102 is matched with the head portion of the fuel pipeline joint 4, the positioning portion 2 is matched with the tail portion of the fuel pipeline joint 4, the coaxiality is good, the cup-shaped body 1 of the microporous fuel filter can be prevented from inclining in the fuel pipeline joint 4, the mounting and the positioning are convenient, and the normal circulation of fuel in the pipeline can be ensured through the arrangement of the oil guide portion 3. The fuel enters from the opening end of the cup-shaped body 1, flows out from the filtering holes on the side wall of the cup-shaped body 1 through the mounting portion 102, and flows out in the spout direction through the oil guide portion 3 at the lower end of the cup-shaped body 1. The utility model discloses a micropore fuel filter can guarantee that micropore fuel filter installs the location convenience in fuel pipe joint 4 under the condition that does not influence whole pipeline total amount of producing oil, can not take place to incline, and simple structure, and processing is convenient, low cost, and the practicality is strong.
Referring to fig. 1-2, according to the first embodiment of the present invention, the positioning portion 2 is an axial rib 201 disposed on the sidewall of the lower end of the cup-shaped body 1, the axial ribs 201 are plural, and the gap between adjacent axial ribs 201 is an oil guiding portion 3.
In the above embodiment, the axial rib 201 on the side wall of the lower end of the cup-shaped body 1 is the positioning portion 2, the outer side wall of the axial rib 201 is in interference fit with the fuel pipeline joint 4, the lower end of the cup-shaped body 1 can be effectively restrained, the cup-shaped body 1 cannot incline in the fuel pipeline joint 4 due to the mutual fit of the axial rib 201 and the mounting portion 102, and the mounting and positioning are accurate; and the concave part of the axial convex rib 201 facing one side of the cup-shaped body 1 can be used for storing fuel impurities in the cup-shaped body 1, namely the concave part can be used as an impurity storage cabin, so that the microporous fuel filter has better fuel filtering precision. An oil guide part 3 is formed between the adjacent axial convex ribs 201, so that the normal circulation of fuel oil is ensured, and the normal work of the microporous fuel oil filter is not influenced.
With reference to fig. 1-2, according to a first embodiment of the present invention, a plurality of said axial ribs 201 are circumferentially and uniformly distributed on the lower end side wall of said cup-shaped body 1.
In the above embodiment, the plurality of axial ribs 201 are uniformly distributed in the circumferential direction to form the uniformly distributed oil guiding portions 3 (as shown in fig. 1-2, 4 oil guiding portions 3 are formed), which can meet the fuel requirements of different fuel systems.
Referring to fig. 1-2, according to the first embodiment of the present invention, the height of the axial ribs 201 in the direction of the central axis of the cup-shaped body 1 is L such that 0 < L ≤ 6 mm.
In the above embodiment, the height of the matching surface of the axial rib 201 and the fuel pipeline joint 4 is L, which satisfies that 0 is more than L and less than or equal to 6mm, and the axial rib 201 and the fuel pipeline joint 4 are matched in a point contact mode.
Referring to fig. 3-7, according to the second to fifth embodiments of the present invention, the lower end of the cup-shaped body 1 is a truncated cone, a concave portion 301 is provided on the side of the truncated cone, the concave portion 301 is an oil guiding portion 3, and the side of the truncated cone is a positioning portion 2.
In the above embodiment, the lower end of the cup-shaped body 1 is in a truncated cone shape, one part of the side surface of the truncated cone shape is the oil guiding part 3 which is concave inwards, the other part is the positioning part 2, the extension line of the outer side wall of the positioning part 2 forms a truncated cone shape, the truncated cone shape of the positioning part 2 is matched with the annular conical surface 412 at the inner tail part of the fuel pipeline joint 4, and the positioning part 2 can be abutted against the annular conical surface 412 to realize the accurate installation and positioning of the microporous fuel filter; and the concave part of the positioning part 2 facing one side of the cup-shaped body 1 can filter the fuel impurities in the cup-shaped body 1, so that the microporous fuel filter has better fuel filtering precision. The inward sunken oil guide part 3 can ensure the normal circulation of fuel oil and does not influence the normal work of the microporous fuel oil filter.
With reference to fig. 4, according to a second embodiment of the invention, the generatrix of the truncated cone forms an angle of 15-60 ° with the central axis of the cup-shaped body 1.
In the above embodiment, a certain included angle is formed between the truncated cone-shaped bus and the central axis of the cup-shaped body 1, the included angle is 15-60 degrees, the inclined angle of the truncated cone-shaped bus is the same as the inclined angle of the inner ring conical surface 412 of the fuel pipeline joint 4, and accurate installation and positioning of the microporous fuel filter can be ensured.
Referring to fig. 4-6, according to the second to fifth embodiments of the present invention, the number of the concave portions 301 is plural, and the plural concave portions 301 are circumferentially and uniformly distributed on the side surface of the truncated cone shape.
In the above embodiment, a plurality of evenly distributed oil guides 3, as in the second embodiment shown in fig. 3-4, have 4 oil guides; FIG. 5 is a third embodiment of a positioning part of another shape having 4 oil guide parts; FIG. 6 is a fourth embodiment having 2 oil guides; FIG. 7 is a fifth embodiment having 3 oil guides; the fuel demand of different fuel systems can be met, the shape of the corresponding positioning part 2 is not limited, and the installation and positioning of the microporous fuel filter can be ensured.
(II) referring to FIGS. 8-9, a microporous fuel filter adapter assembly comprising: a fuel line connector 4; the fuel pipeline joint 4 is internally provided with a stepped hole 410, and the above microporous fuel filter is assembled in the stepped hole 410.
In the above embodiment, the micro-porous fuel filter is made of stainless steel or titanium alloy, wherein the specific number of the stainless steel is 304, 304L, 316L, the fuel pipeline joint is made of 45# steel, the tail part of the stepped hole 410 of the fuel pipeline joint 4 is provided with the end face where the positioning parts 2 of the micro-porous fuel filter are matched with each other, so that the micro-porous fuel filter can be accurately installed in the fuel pipeline joint 4 without inclination under the condition of not influencing the total oil output quantity of the whole pipeline.
Referring to fig. 8, according to the first embodiment of the present invention, the positioning portion 2 is an axial rib 201, an annular surface is disposed in the stepped hole 410 and is matched with the axial rib 201, and the outer sidewall of the axial rib 201 is in interference fit with the annular surface.
In the above embodiment, the stepped hole 410 includes a first step hole, a second step hole and a third step hole, the first step hole is close to the inlet of the fuel pipeline joint 4, the second step hole is close to the outlet of the fuel pipeline joint 4, the inner diameter of the first step hole is larger than that of the second step hole, the inner diameter of the second step hole is larger than that of the third step hole, the mounting portion 102 on the cup-shaped body 1 is matched with the first step hole, the filtering area 101 on the cup-shaped body 1 extends into the second step hole, and a flow guide channel is formed between the outer side wall of the filtering area 101 and the inner side wall of the second step hole. An annular surface is arranged between the second-order hole and the third-order hole, the annular surface is positioned on the outer side of the blind end of the cup-shaped body 1, the annular surface is in interference fit with the outer side wall of the axial convex rib 201 to realize the restraint on the tail part of the microporous fuel filter, and the mounting part 102 at the head end is combined to realize the coaxial mounting of the microporous fuel filter and the fuel pipeline joint 4 without inclination.
Referring to fig. 9, according to the second embodiment of the present invention, the lower end of the cup-shaped body 1 is a truncated cone, an annular conical surface 412 is disposed in the stepped hole 410 and matches with the truncated cone side, and an included angle between a bus of the annular conical surface 412 and the central axis of the cup-shaped body 1 is 15-60 °.
In the above embodiment, the annular tapered surface 412 in the stepped hole 410 is matched with the side surface of the circular truncated cone shape, the inclined angles of the two are the same, so that the restriction on the tail part of the microporous fuel filter is realized, and the coaxial installation of the microporous fuel filter and the fuel pipeline joint 4 is realized by combining the installation part 102 at the head end, so that the inclination does not occur.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims (10)
1. A microporous fuel filter, comprising: the cup-shaped body (1), the upper end of the cup-shaped body (1) is an open end, and the lower end is a blind end; the lower end is provided with a positioning part (2) and an oil guide part (3); the positioning part (2) is used for positioning the cup-shaped body (1), and the oil guide part (3) is used for fuel oil circulation;
be provided with filtration area (101) and installation department (102) on the lateral wall of cup-shaped body (1), filtration area (101) with the cecum is adjacent, installation department (102) are located the open end of cup-shaped body (1), be provided with a plurality of filtration pores on the lateral wall of filtration area (101), the aperture of filtering the pore is 5 ~ 190 um.
2. The microporous fuel filter according to claim 1, wherein the positioning portion (2) is an axial rib (201) provided on a side wall of a lower end of the cup-shaped body (1), the number of the axial ribs (201) is plural, and a gap between adjacent axial ribs (201) is an oil guide portion (3).
3. A microporous fuel filter according to claim 2, wherein a plurality of the axial ribs (201) are circumferentially uniformly distributed on the lower end side wall of the cup-shaped body (1).
4. A microporous fuel filter according to claim 2, wherein the height of the axial rib (201) in the direction of the central axis of the cup-shaped body (1) is L satisfying 0 < L ≤ 6 mm.
5. A microporous fuel filter according to claim 1, wherein the lower end of the cup-shaped body (1) is a truncated cone, a concave portion (301) is provided on a side surface of the truncated cone, the concave portion (301) is an oil guide portion (3), and the side surface of the truncated cone is a positioning portion (2).
6. A microporous fuel filter according to claim 5, characterised in that the generatrix of the truncated cone forms an angle of 15-60 ° with the central axis of the cup-shaped body (1).
7. The microporous fuel filter according to claim 5, wherein the number of the depressions (301) is plural, and the plurality of the depressions (301) are uniformly distributed in the circumferential direction on the side surface of the truncated cone.
8. A microporous fuel filter adapter assembly, comprising: a fuel line connection (4); a stepped hole (410) is arranged in the fuel pipeline joint (4), and a microporous fuel filter according to any one of claims 1-7 is assembled in the stepped hole (410).
9. A microporous fuel filter adapter assembly according to claim 8, wherein the positioning portion (2) is an axial rib (201), an annular surface (411) matching the axial rib (201) is provided in the stepped hole (410), and an outer side wall of the axial rib (201) is in interference fit with the annular surface (411).
10. A microporous fuel filter adapter assembly according to claim 8, wherein the cup-shaped body (1) has a truncated cone shape at its lower end, and wherein the stepped hole (410) has an annular tapered surface (412) disposed therein to match the truncated cone shape, and wherein the generatrix of the annular tapered surface (412) forms an angle of 15-60 ° with the central axis of the cup-shaped body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102782.0U CN211116353U (en) | 2019-11-29 | 2019-11-29 | Microporous fuel filter and joint assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922102782.0U CN211116353U (en) | 2019-11-29 | 2019-11-29 | Microporous fuel filter and joint assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116353U true CN211116353U (en) | 2020-07-28 |
Family
ID=71696630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922102782.0U Active CN211116353U (en) | 2019-11-29 | 2019-11-29 | Microporous fuel filter and joint assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211116353U (en) |
-
2019
- 2019-11-29 CN CN201922102782.0U patent/CN211116353U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6502769B2 (en) | Coating for a fuel injector seat | |
| US4519370A (en) | Fuel injector electronically controlled engine | |
| US7556022B1 (en) | Attachment for fuel injectors in direct injection fuel systems | |
| CN103635243B (en) | There is fluid filter in the case of plastic holder | |
| JP2007309236A (en) | Fuel injection nozzle | |
| CN104114950A (en) | Air and fuel injection device for a turbo-machine combustion chamber | |
| US20080283632A1 (en) | Fuel injector director plate having chamfered passages and method for making such a plate | |
| US4311277A (en) | Fuel injector | |
| CN211116353U (en) | Microporous fuel filter and joint assembly thereof | |
| CN110953044A (en) | Porous urea nozzle and atomization structure thereof | |
| EP0909920B1 (en) | Pressure swirl injector with angled cone spray for fuel injection | |
| JPS59131764A (en) | Fuel injection nozzle | |
| CN218235324U (en) | High-strength oil nozzle for diesel engine | |
| CN104018942B (en) | For fuel manifold joint and the gas turbine of gas turbine | |
| US7108201B2 (en) | Injection valve | |
| CN205663007U (en) | Municipal drainage pipe of improvement structure | |
| CN217131270U (en) | Low-nitrogen combustor fuel feeding assembly and oil gun head | |
| CN220900763U (en) | Filtering mechanism and atomizer | |
| US20120175291A1 (en) | Flow-through fitting and filter assembly | |
| CN214997977U (en) | Fuel oil coalescence filter core assembly and fuel oil filter | |
| CN114000959B (en) | Integrated injector | |
| CN214944664U (en) | Fuel oil common rail pipeline for generator | |
| CN111928241B (en) | Injection pipe device and stove comprising same | |
| CN220969515U (en) | Spray head with fan-shaped outlet | |
| CN219442091U (en) | Atomizing nozzle with high atomization performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |