CN210195913U

CN210195913U - Fuel filter and filter element thereof

Info

Publication number: CN210195913U
Application number: CN201920864547.4U
Authority: CN
Inventors: Fu Xu; 徐富
Original assignee: Ruian Huanjia Filter Co Ltd
Current assignee: Ruian Huanjia Filter Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-03-27
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a filter core, include: a central tube; the filter comprises a coarse filter component and a fine filter component, wherein the fine filter component is sleeved outside a central pipe, the coarse filter component is sleeved outside the fine filter component, and a first channel is formed between the fine filter component and the central pipe; the oil-water separation assembly is arranged in the cavity, and the inner side of the oil-water separation assembly is communicated with the inner side of the central pipe. In the working process of the fuel filter, fuel oil is firstly subjected to rough filtration by the rough filtration assembly to remove larger particles in the fuel oil, then is subjected to fine filtration by the fine filtration assembly to remove smaller particles in the fuel oil, then the fuel oil flows into the cavity, passes through the oil-water separation assembly to remove moisture in the fuel oil, then the fuel oil enters the central pipe, and finally the fuel oil is led out from the central pipe. The utility model provides a filter core filter effect is good, and the structure is simpler. The utility model also discloses an oil filter fires of having above-mentioned filter core.

Description

Fuel filter and filter element thereof

Technical Field

The utility model relates to a fire oil filter technical field, more specifically say, relate to a fire oil filter and filter core thereof.

Background

The fuel filter is used for removing solid impurities such as ferric oxide and dust contained in fuel oil, preventing the fuel oil system from being blocked, reducing mechanical abrasion and ensuring the stable operation of an engine

However, the existing fuel filter has poor filtering effect, complex structure and large volume.

Therefore, how to improve the filtering effect of the fuel filter, simplify the structure of the fuel filter, and reduce the volume of the fuel filter is a critical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire oil cleaner's filter core, this filter core simple structure, and the filter effect is good.

A filter cartridge, comprising:

a central tube;

the central pipe is sleeved with the coarse filter component, the fine filter component is sleeved with the fine filter component, and a first channel is formed between the fine filter component and the central pipe;

the oil-water separation assembly is arranged at one end of the central pipe, the first channel is communicated with the cavity, the oil-water separation assembly is located in the cavity, and the inner side of the oil-water separation assembly is communicated with the inner side of the central pipe.

Preferably, the oil-water separation subassembly cover is established the tip of center tube, is provided with the opening on this tip, the opening is used for the intercommunication oil-water separation subassembly the inboard with the inboard of center tube.

Preferably, an oil pipe can penetrate through the inner side of the central pipe, a second channel is formed between the oil pipe and the central pipe, an oil inlet is formed in the oil pipe, the inlet of the second channel is communicated with the inner side of the oil-water separation assembly, and the outlet of the second channel is communicated with the oil inlet.

Preferably, the oil pipe extends out of the end part of the central pipe with the through hole, and the oil pipe is matched with the oil-water separation assembly and the cavity;

and an installation groove is formed in the inner annular wall of the separation component and used for installing a sealing ring, and the sealing ring is forced between the oil pipe and the oil-water separation component.

Preferably, the oil pipe penetrates through the oil-water separation assembly and the cavity;

the oil pipe is sleeved with a sealing ring, the sealing ring is forced between the oil pipe and the oil-water separation assembly and is abutted against the end face, located in the cavity, of the central pipe.

Preferably, an annular cylinder is mounted at one end of the fine filtering assembly, a bottom cover is fastened on the annular cylinder, and the annular cylinder and the bottom cover form the cavity.

Preferably, a plurality of shunting blocks are arranged on the bottom plate of the ring cylinder, and are spirally distributed around the axis of the ring cylinder;

the central tube has a flange plate on which the oil-water separation assembly is mounted, and the diverter block is located between the flange plate and a bottom plate of the annulus.

Preferably, the oil-water separation assembly has a plurality of baffles inside, and the plurality of baffles are spirally distributed around the axis of the oil-water separation assembly.

Preferably, an end cover is arranged at one end of the central pipe, which is far away from the oil-water separation assembly, an air leakage hole is formed in the end cover, and a matching groove is formed in the outer surface of the end cover;

the rough filtering support is composed of a plurality of diamond structures, and salient points are further arranged on the diamond structures.

Preferably, the coarse filter assembly includes filter paper and a coarse filter support, the filter paper being disposed around a side of the coarse filter support;

the fine filter assembly comprises a filter cloth and a fine filter support, and the filter cloth surrounds the side part of the fine filter support;

the oil-water separation component comprises a filter screen and an oil-water separation support, and the filter screen surrounds the side portion of the oil-water separation support.

The utility model also provides an oil filter fires, including the filter core, the filter core be above-mentioned arbitrary one the filter core.

According to the technical scheme, in the working process of the fuel filter, fuel oil is firstly subjected to rough filtration by the rough filtration assembly to remove large particles in the fuel oil, then is subjected to fine filtration by the fine filtration assembly to remove small particles in the fuel oil, then the fuel oil flows into the cavity, is subjected to oil-water separation by the oil-water separation assembly to remove moisture in the fuel oil, then the fuel oil enters the central pipe, and finally the fuel oil is led out from the central pipe. The utility model provides a filter core can progressively filter fuel, and the filter effect is good. Additionally, the utility model provides a filter core structure is simpler, and the cost of manufacture is low, and easy maintenance.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without inventive efforts.

Fig. 1 is a cross-sectional view of a filter cartridge according to an embodiment of the present invention;

fig. 2 is a flow chart of fuel according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rough filtering bracket according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a ring cylinder according to an embodiment of the present invention;

fig. 5 is a top view of an oil-water separation assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of an oil-water separation assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a center tube according to an embodiment of the present invention.

Wherein, 1 is rough filtering component, 2 is fine filtering component, 3 is center tube, 4 is ring section of thick bamboo, 5 is bottom, 6 is flange board, 7 is oil-water separation subassembly, 8 is the reference column, 9 is the end cover, 10 is oil pipe, 11 is rough filtering support, 12 is rhombus structure, 13 is the reposition of redundant personnel piece, 14 is the guide plate, 15 is the filter screen, 16 is the first passageway, 17 is the second passageway, 18 is the opening.

Detailed Description

The utility model discloses a fire oil cleaner's filter core, this filter core simple structure, and the filter effect is good.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment of the present invention, the filter element comprises: a central tube 3, a rough filtering component 1, a fine filtering component 2, an oil-water separation component 7 and a cavity.

The coarse filtering component 1 and the fine filtering component 2 are both cylindrical. The fine filtering component 2 is sleeved on the central tube 3. The coarse filter component 1 is sleeved on the fine filter component 2. The gap between the fine filter assembly 2 and the central tube 3 is a first passage 16. One end of the central tube 3 is provided with a cavity for accommodating the oil-water separation assembly 7. The oil-water separation assembly 7 is also cylindrical. The first passage 16 communicates with the cavity. The inside of the oil-water separation assembly 7 is communicated with the central pipe 3, or the fuel filtered by the oil-water separation assembly 7 flows into the central pipe 3. Namely, the flow direction of the fuel oil is as follows: the device comprises a rough filtering component 1, a fine filtering component 2, a first channel 16, a cavity, an oil-water separation component 7 and a central pipe 3.

In the working process of the fuel filter, fuel oil is firstly subjected to rough filtration by the rough filtration component 1 to remove larger particles in the fuel oil, then is subjected to fine filtration by the fine filtration component 2 to remove smaller particles in the fuel oil, then the fuel oil flows into the cavity, is subjected to the oil-water separation component 7 to remove moisture in the fuel oil, then the fuel oil enters the central pipe 3, and finally the fuel oil is led out from the central pipe 3. The filter core in this embodiment can filter fuel gradually, and the filter effect is good. In addition, the filter element structure in the embodiment is simple, low in manufacturing cost and convenient to maintain.

Further, the oil-water separation assembly 7 is sleeved on the end portion of the central tube 3, and a through hole 18 is formed in the end portion, and the through hole 18 is used for communicating the inner side of the oil-water separation assembly 7 with the inner side of the central tube 3. That is, the fuel filtered by the oil-water separation element 7 flows into the inner side of the center pipe 3 through the opening 18.

Further, the end of the central tube 3 may have a plurality of through openings 18, and the plurality of through openings 18 are evenly distributed around the central tube 3, that is, grid-shaped through openings 18 are formed at the end of the central tube 3 to ensure smooth fuel entry.

Further, in order to facilitate the fuel inside the central tube 3 to be guided out, in a specific embodiment, an oil pipe 10 is inserted inside the central tube 3. The oil pipe 10 and the base pipe 3 form a second passage 17 therebetween. An oil inlet is arranged on the oil pipe 10. The inlet of the second channel 17 is communicated with the inner side of the oil-water separation component 7, and the outlet of the second channel 17 is communicated with the oil inlet on the oil pipe 10. In this embodiment, the flow direction of the fuel is: the oil-water separator comprises a rough filtering component 1, a fine filtering component 2, a first channel 16, a cavity, an oil-water separating component 7, a second channel 17 and an oil pipe 10.

Referring to fig. 2, it is likely that fuel that has not been filtered by the oil-water separation assembly 7 will enter the second passage 17 formed by the oil pipe 10 and the central pipe 3 through the gap between the oil pipe 10 and the oil-water separation assembly 7. In addition, the fuel filtered by the oil water separating assembly 7 is likely to flow in the opposite direction to the second passage 17 through the gap between the oil pipe 10 and the oil water separating assembly 7, and not enter the oil pipe 10, thereby causing waste of the fuel. Therefore, in an embodiment of the present invention, the end of the oil pipe 10 extending out of the central pipe 3 and having the through opening 18 is limited, and the oil pipe 10 passes through the oil-water separation assembly 7 and the cavity to cooperate with the oil-water separation assembly 7 and the cavity. An installation groove is arranged on the inner annular wall of the oil-water separation component 7 and used for installing a sealing ring, and the installation groove is positioned on the extension line of the central pipe 3. The sealing ring is forced between the oil-water separation component 7 and the oil pipe 10, namely, the sealing ring cuts off a gap between the oil-water separation component 7 and the oil pipe 10 and the second channel 17, so that fuel oil which is not filtered can be prevented from entering the second channel 17 through the oil-water separation component 7 and the oil pipe 10, and the fuel oil in the second channel 17 can be prevented from flowing out along the gap between the separation component 7 and the oil pipe 10.

Furthermore, it is also possible to define the mounting groove on the end surface next to the end of the central tube 3 having the through opening 18, so that the seal ring is not only forced between the oil-water separation assembly 7 and the oil tube 10, but also can abut on the end surface of the central tube 3 having the end of the through opening 18, thereby ensuring that all the fuel filtered by the oil-water separation assembly 7 can enter the second passage 17.

The specific forming process of the cavity is as follows: an annular cylinder 4 is mounted at one end of the fine filter assembly 2, and a bottom cover 5 is mounted on the annular cylinder 4. The ring cylinder 4 and the bottom cover 5 form a cavity. The oil-water separation component 7 is accommodated in an inner cavity formed by the ring barrel 4 and the bottom cover 5.

The installation mode of the ring cylinder 4 and the fine filter component 2 can be as follows: a first ring groove is arranged on a fine filtration support of the fine filtration component 2, and a first ring bulge clamped with the first ring groove is arranged on the ring cylinder 4. The installation mode of the bottom cover 5 and the ring barrel 4 is as follows: the ring barrel 4 is provided with a second ring groove, and the bottom cover 5 is provided with a second annular bulge matched with the second ring groove in a clamping manner. Further, in order to ensure the sealing performance of the connection, sealing rings can be arranged in the first ring groove and the second ring groove.

Further, a plurality of diversion blocks 13 are arranged on the bottom plate of the ring barrel 4, and the diversion blocks 13 are provided. A plurality of diverter blocks 13 are distributed helically around the axis of the annulus 4. The center pipe 3 further has a flange plate 6, and an oil-water separation unit 7 is attached to the flange plate 6. The flange plate 6 constitutes the bottom plate of the oil-water separation assembly 7. In addition, the flange plate 6 is pressed against the diverter block 13. After entering the cavity, the fuel flowing out from between the fine filter assembly 2 and the central tube 3, or from the first passage 16, is confined between the flange plate 6 and the bottom plate of the ring cylinder 4, and is distributed toward the edge of the ring cylinder 4 by the diversion block 13. The flow dividing block 13 can ensure the uniformity of the fuel distribution, thereby providing for the fuel to enter the oil-water separation assembly 7 uniformly from all directions. In addition, the plurality of flow distribution blocks 13 in the embodiment are distributed in a spiral shape, and the flow distribution blocks 13 arranged in the spiral shape can slow down resistance to fuel oil and improve the smoothness of fuel oil flow.

In an embodiment of the present invention, the inside of the oil-water separation assembly 7 has a plurality of guide plates 14, and the plurality of guide plates 14 are distributed spirally around the axis of the oil-water separation assembly 7. The fuel oil filtered by the oil-water separation component 7 flows into the oil-water separation component 7 and then flows into the center of the oil-water separation component 7 under the action of the guide plate 14. Two adjacent guide plates 14 form a fuel passage, and the fuel passages are uniformly distributed around the axis of the oil-water separation assembly 7, so that fuel can uniformly flow into the center of the oil-water separation assembly 7 from all directions of the oil-water separation assembly 7. In addition, the plurality of guide plates 14 in the embodiment are distributed in a spiral shape, so that resistance to fuel can be reduced, and smoothness of fuel flowing is further improved.

The filter element is part of a fuel filter and therefore the filter element needs to be fitted to a peripheral component. Thus, in a particular embodiment, positioning posts 8 are provided on the outer surface of the bottom cover 5, which positioning posts 8 cooperate with the peripheral component to position the filter cartridge.

Further, one end of the central tube 3 is provided with an oil-water separation assembly 7, and the other end of the central tube 3 is provided with an end cover 9, wherein the end cover 9 is installed at the end of the central tube 3, so that the first channel 16 and the second channel 17 form an end closed structure. In addition, an air release hole is arranged on the end cover 9 to release the pressure inside the filter element. In addition, a fitting groove is provided on the outer surface of the end cap 9 to facilitate fitting with a peripherally provided installation.

Further, coarse filter assembly 1 includes filter paper and coarse filter support 11. The filter paper is covered on the coarse filter bracket 11. The strainer holder 11 is cylindrical, and the filter paper is cylindrical. Coarse filter assembly 1 is used to filter large particulate matter. The fine filtering component 2 comprises a filter cloth and a fine filtering bracket, and the filter cloth is arranged around the side part of the fine filtering bracket. The fine filtration support is cylindrical, the filter cloth is also cylindrical, the filter cloth is arranged around the side part of the fine filtration support, and the fine filtration component 2 is used for filtering small particles. The oil-water separation component 7 comprises a filter screen 15 and an oil-water separation bracket. The filter screen 15 is provided around the side of the oil-water separation support. The oil-water separation component 7 is used for removing moisture in the fuel oil.

Further, the coarse filtration support 11 is composed of a plurality of diamond structures 12, or a plurality of diamond structures 12 are arranged in the outline frame of the coarse filtration support 11. The coarse filter support 11 of this kind of structure has higher structural strength. In addition, in order to improve the adhesion of the filter paper, the diamond structures 12 may be provided with bumps. In addition, the oil-water separation support can be provided with a plurality of reinforcing ribs which are uniformly distributed around the axis of the oil-water separation support.

The utility model also discloses an oil filter fires, including the filter core, this filter core is above-mentioned arbitrary filter core, and above-mentioned filter core has above-mentioned advantage, has the oil filter that fires of above-mentioned filter core and has above-mentioned advantage equally, so this paper is no longer repeated.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A filter cartridge, comprising:

a central tube (3);

the filter comprises a coarse filter component (1) and a fine filter component (2), wherein the fine filter component (2) is sleeved outside the central pipe (3), the coarse filter component (1) is sleeved outside the fine filter component (2), and a first channel (16) is formed between the fine filter component (2) and the central pipe (3);

the oil-water separation device comprises an oil-water separation component (7), wherein a cavity is arranged at one end of the central pipe (3), the first channel (16) is communicated with the cavity, the oil-water separation component (7) is located in the cavity, and the inner side of the oil-water separation component (7) is communicated with the inner side of the central pipe (3).

2. The filter element according to claim 1, characterized in that the oil-water separation assembly (7) is sleeved on the end of the central tube (3), and a through hole (18) is arranged on the end, and the through hole (18) is used for communicating the inner side of the oil-water separation assembly (7) with the inner side of the central tube (3).

3. The filter element according to claim 2, characterized in that an oil pipe (10) can be arranged inside the central pipe (3), a second channel (17) is formed between the oil pipe (10) and the central pipe (3), an oil inlet is arranged on the oil pipe (10), an inlet of the second channel (17) is communicated with the inside of the oil-water separation assembly (7), and an outlet is communicated with the oil inlet.

4. The filter cartridge according to claim 3, characterized in that the oil pipe (10) protrudes from the end of the central tube (3) having the through opening (18), and the oil pipe (10) cooperates with the oil-water separation assembly (7) and the chamber;

an installation groove is formed in the inner annular wall of the separation component (7) and used for installing a sealing ring, and the sealing ring is forced between the oil pipe (10) and the oil-water separation component (7).

5. The filter element according to claim 1, wherein a ring cylinder (4) is mounted at one end of the fine filter assembly (2), a bottom cover (5) is fastened on the ring cylinder (4), and the ring cylinder (4) and the bottom cover (5) form the cavity.

6. The filter cartridge according to claim 5, characterised in that a plurality of diverter blocks (13) are provided on the bottom plate of the collar (4), said plurality of diverter blocks (13) being distributed in a spiral around the axis of the collar (4);

the central pipe (3) is provided with a flange plate (6), the oil-water separation assembly (7) is installed on the flange plate (6), and the flow distribution block (13) is located between the flange plate (6) and the bottom plate of the ring barrel (4).

7. The filter cartridge according to claim 1, characterized in that the oil-water separation assembly (7) has a plurality of baffles (14) inside, the plurality of baffles (14) being distributed helically around the axis of the oil-water separation assembly (7).

8. The filter element according to claim 1, wherein an end cover (9) is arranged at one end of the central tube (3) far away from the oil-water separation assembly (7), an air leakage hole is arranged on the end cover (9), and a matching groove is arranged on the outer surface of the end cover (9).

9. The filter cartridge according to claim 1, characterized in that the coarse filter assembly (1) comprises filter paper and a coarse filter support (11), the filter paper being arranged around the sides of the coarse filter support (11), the coarse filter support (11) being composed of a plurality of diamond-shaped structures (12), and the diamond-shaped structures (12) being further provided with protruding points;

the fine filter assembly (2) comprises a filter cloth and a fine filter support, and the filter cloth surrounds the side part of the fine filter support;

the oil-water separation component (7) comprises a filter screen (15) and an oil-water separation support, and the filter screen (15) surrounds the side of the oil-water separation support.

10. A fuel filter comprising a filter element, wherein the filter element is as claimed in any one of claims 1 to 9.