CN215979651U

CN215979651U - Fuel filter convenient to clean

Info

Publication number: CN215979651U
Application number: CN202121969269.2U
Authority: CN
Inventors: 章旭霞; 吕磊
Original assignee: Anhui Jinshun New Energy Co ltd
Current assignee: Anhui Jinshun New Energy Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-08
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a fuel filter convenient to clean, which comprises a shell and a filtering mechanism arranged in the shell, wherein the filtering mechanism comprises a central tube, the top of the central tube is fixedly connected with a cover plate, the bottom of the cover plate is fixedly provided with filter paper, the filter paper is arranged around the central tube, the top of the central tube is fixedly connected with an oil guide tube, the top of the oil guide tube is provided with a flow guide cover, the inside of the shell is fixedly provided with an oil guide ring, the top of the shell is in threaded connection with a cover body, and the cover body is provided with an oil distribution tube. According to the utility model, oil in the oil inlet pipe uniformly falls onto the flow guide cover through the plurality of oil leakage holes, fuel oil falling onto the flow guide cover flows into the shell through a gap between the flow guide cover and the shell, the oil guide ring arranged in the shell guides the fuel oil entering the shell into the end surface of the outer side of the filter paper, and the fuel oil flows down from top to bottom on the end surface of the outer side of the filter paper and forms filtration on the fuel oil, so that the effective use area of the filter paper is increased, and the filtration effect of the filter paper is improved.

Description

Fuel filter convenient to clean

Technical Field

The utility model relates to the technical field of filters, in particular to a fuel filter convenient to clean.

Background

The fuel filter is established ties on the pipeline between fuel pump and throttle body oil inlet for harmful granule and moisture in the filtering engine fuel gas system, with protection oil pump, glib talker, cylinder liner, piston ring etc. and reducing wear avoids blockking up: solid impurities such as iron oxide, dust and the like contained in fuel oil are removed, the fuel oil system is prevented from being blocked (particularly an oil nozzle), mechanical abrasion is reduced, stable operation of an engine is ensured, and reliability is improved.

The prior art has the following defects: at present, after a fuel filter is used for a period of time, impurities in fuel can block filter paper in the filter, so that the filtering capacity of a filter material is reduced, the filter material needs to be replaced periodically, and if the filter paper can be effectively cleaned, the service life of the filter can be prolonged to a certain extent.

Therefore, it is necessary to develop a fuel filter which is easy to clean.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model provides the following technical scheme: a fuel filter convenient to clean comprises a shell and a filtering mechanism arranged inside the shell, wherein the filtering mechanism comprises a central tube, the top of the central tube is fixedly connected with a cover plate, filter paper is fixedly arranged at the bottom of the cover plate and is arranged around the central tube, an oil guide tube is fixedly connected with the top of the central tube, a flow guide cover is arranged at the top of the oil guide tube, a connecting part is fixedly arranged at the center of the flow guide cover, the connecting part is embedded into the inner side of the top of the oil guide tube and is fixedly connected with the oil guide tube, the flow guide cover is arranged in a circular truncated cone shape with radian and wraps the top of the cover plate, an oil guide ring is fixedly arranged inside the shell and is arranged around the central axis of the shell, and one side of the oil guide ring, which is far away from the shell, is bent downwards;

the utility model discloses a novel oil pipe, including casing, lid, deflector lid, oil pipe, baffle lid, lid top threaded connection has the lid, logical groove has been seted up to lid central authorities department, the deflector lid top is run through logical groove and is checked and accepted to the logical groove outside, the lid inboard sets up with deflector lid closely laminates, be provided with branch oil pipe on the lid, divide the oil pipe to encircle the setting along the lid axis, lead the oil pipe bottom and seted up a plurality of inlet ports.

Preferably, an internal thread is formed on the inner side of the connecting portion, an oil outlet pipe is arranged at the top of the connecting portion, and the oil outlet pipe is connected with the connecting portion through a thread.

Preferably, the bottom of the shell is fixedly connected with an arc-shaped cover, the center of the arc-shaped cover is arranged in a concave mode, a discharge pipe is fixedly arranged at the bottom of the arc-shaped cover and communicated with the inside of the shell, and a switch valve is fixedly arranged on the discharge pipe.

Preferably, an overflow valve is arranged at the joint of the central pipe and the oil guide pipe, and the overflow valve is fixedly arranged in the oil guide pipe.

Preferably, the bottom of the central tube is fixedly connected with a supporting block, and the bottom of the supporting block is abutted to the arc-shaped cover.

Preferably, a plurality of filter element through holes are formed in the central tube, and the filter element through holes are uniformly formed.

Preferably, a certain distance is arranged between the cover plate and the shell, and a certain distance is arranged between the flow guide cover and the shell.

Preferably, a plurality of the oil inlet holes are uniformly arranged along the center line of the cover body at equal intervals.

Preferably, the oil distribution pipe is provided with two oil inlet pipes, the two oil inlet pipes are symmetrically arranged along the center line of the cover body, and the oil inlet pipes are communicated with the oil distribution pipe.

The utility model has the beneficial effects that:

1. according to the utility model, the oil is injected through the oil inlet pipe connected to the shunt pipe, and the oil in the oil inlet pipe uniformly falls into the diversion cover through the plurality of oil leakage holes, so that the condition that the fuel is blocked in the oil inlet pipe after long-term use is reduced to a certain extent;

2. in the utility model, the cover body is connected with the shell through threads, so that the fuel filter is convenient to assemble and disassemble integrally, fuel oil flows down along the end surface of the outer side of the filter paper from top to bottom and is finally gathered at the bottom of the arc-shaped cover, when the fuel oil is gathered to a certain height, clean fuel oil penetrates through the filter paper and the through hole of the filter element to reach the inner wall of the central tube, most of metal impurities form gathering in the arc-shaped cover along the upper end surface of the arc-shaped cover under the influence of self weight in the process of gathering the fuel oil at the bottom of the arc-shaped cover and fall into the discharge tube, when the fuel filter is required to be cleaned, the fuel filter is disassembled from a pipeline, then the switch valve on the discharge tube is opened, clean water is injected into the oil inlet tube through the tank, the clean water falls into the bottom end in the shell along the diversion cover, the oil guide ring and the filter paper, and the clean water can scour the diversion cover, the oil guide ring and the filter paper, can form the washing of certain degree to the magazine on water conservancy diversion lid, the oil ring that leads and the filter paper terminal surface to a certain extent to along with the inside formation of arc lid gathers the magazine and gets rid of fuel filter in the lump, and then improve the life of filter to a certain extent, reduce consumer's use cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fuel filter provided by the utility model for easy cleaning;

FIG. 2 is an exploded view of a fuel filter provided in accordance with the present invention for easy cleaning;

FIG. 3 is a side cross-sectional structural view of a fuel filter provided in accordance with the present invention for easy cleaning;

FIG. 4 is a schematic cross-sectional front view of a fuel filter according to the present invention for easy cleaning;

FIG. 5 is a schematic cross-sectional top view of a fuel filter according to the present invention for easy cleaning;

fig. 6 is an enlarged view of a portion a of fig. 4 according to the present invention.

In the figure: 1. a housing; 2. a central tube; 3. a cover plate; 4. filtering paper; 5. an oil guide pipe; 6. a flow guide cover; 7. a connecting portion; 8. an oil guide ring; 9. a cover body; 10. a through groove; 11. an oil distributing pipe; 12. an oil inlet hole; 13. an oil outlet pipe; 14. an arc-shaped cover; 15. a discharge pipe; 16. an on-off valve; 17. an overflow valve; 18. a support block; 19. a filter element through hole; 20. an oil inlet pipe.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawings 1-6, the fuel filter convenient to clean provided by the utility model comprises a shell 1 and a filter mechanism arranged in the shell 1, wherein the filter mechanism comprises a central tube 2, the top of the central tube 2 is fixedly connected with a cover plate 3, the bottom of the cover plate 3 is fixedly provided with filter paper 4, the filter paper 4 is arranged around the central tube 2, the top of the central tube 2 is fixedly connected with a fuel guide tube 5, the top of the fuel guide tube 5 is provided with a flow guide cover 6, the center of the flow guide cover 6 is fixedly provided with a connecting part 7, the connecting part 7 is embedded into the inner side of the top of the fuel guide tube 5, the connecting part 7 is fixedly connected with the fuel guide tube 5, the flow guide cover 6 is arranged in a circular truncated cone shape with radian, the fuel guide tube 5 covers the top of the cover plate 3, the interior of the shell 1 is fixedly provided with a fuel guide ring 8, the fuel guide ring 8 is arranged around the central axis of the shell 1, the oil guide ring 8 is bent downwards at one side far away from the shell 1;

1 top threaded connection of casing has lid 9, logical groove 10 has been seted up in lid 9 central authorities department, 6 tops of water conservancy diversion lid run through logical groove 10 and accept to the logical groove 10 outside, the setting of closely laminating of lid 9 inboard and water conservancy diversion lid 6, be provided with on the lid 9 and divide oil pipe 11, divide oil pipe 11 to encircle the setting along lid 9 axis, lead 5 bottoms of oil pipe and seted up a plurality of inlet ports 12.

Furthermore, an internal thread is formed on the inner side of the connecting portion 7, an oil outlet pipe 13 is arranged at the top of the connecting portion 7, the oil outlet pipe 13 is connected with the connecting portion 7 through a thread, the connecting portion 7 is arranged to facilitate connection of the whole flow guide cover 6 and the oil guide pipe 5, and to facilitate connection of the internal thread formed on the barrel connecting portion 7 and the oil outlet pipe 13, clean fuel oil filtered by the filter assembly is arranged in the central pipe 2 and is conveniently conveyed out of the fuel filter through cooperation of the oil guide pipe 5 and the oil outlet pipe 13;

further, the bottom of the housing 1 is fixedly connected with an arc-shaped cover 14, the center of the arc-shaped cover 14 is arranged in a concave manner, a discharge pipe 15 is fixedly arranged at the bottom of the arc-shaped cover 14, the discharge pipe 15 is communicated with the interior of the housing 1, a switch valve 16 is fixedly arranged on the discharge pipe 15, oil is injected through an oil inlet pipe 20 connected to a shunt pipe, the oil in the oil inlet pipe 20 uniformly falls into the flow guide cover 6 through a plurality of oil leakage holes, the blockage of the fuel oil in the oil inlet pipe 20 after long-term use is reduced to a certain extent, the flow guide cover 6 is arranged in a circular truncated cone shape, and then falls onto the flow guide cover 6, flows into the housing 1 through the gap between the flow guide cover and the housing 1, and the fuel oil entering the interior of the housing 1 is guided into the outer side of the filter paper 4 through an oil guide ring 8 arranged in the housing 1, and flows down from the outer side end face of the filter paper 4 to form filter paper, thereby improving the effective use area of the filter paper 4;

furthermore, an overflow valve 17 is arranged at the joint of the central tube 2 and the oil guide tube 5, the overflow valve 17 is fixedly arranged inside the oil guide tube 5, the overflow valve 17 is arranged in the fuel filter to play a safety protection role, when the pressure in the fuel filter exceeds a specified value, the overflow valve 17 is pushed open, a part of gas of the fuel filter is discharged into the oil guide tube 5 and discharged to the outer side of the fuel filter through the oil guide tube 5, and therefore the fuel filter is prevented from being broken down due to overhigh pressure;

further, the bottom of the central tube 2 is fixedly connected with a supporting block 18, the bottom of the supporting block 18 is abutted against the arc-shaped cover 14, the supporting block 18 is arranged to support and block the central tube 2, and the oil in the central tube 2 is prevented from communicating with the oil outside the filter paper 4;

furthermore, a plurality of filter element through holes 19 are formed in the central tube 2, the filter element through holes 19 are uniformly arranged, fuel oil flows down from top to bottom along the end face of the outer side of the filter paper 4 and is finally gathered at the bottom of the arc-shaped cover 14, when the fuel oil is gathered to a certain height, clean fuel oil penetrates through the filter paper 4 and the filter element through holes 19 to reach the inner wall of the central tube 2, and in the gathering process of the fuel oil at the bottom of the arc-shaped cover 14, most of metal impurities form gathering in the arc-shaped cover 14 along the end face of the arc-shaped cover 14 under the influence of dead weight and fall into the discharge tube 15;

furthermore, a certain distance is arranged between the cover plate 3 and the shell 1, a certain distance is arranged between the diversion cover 6 and the shell 1, oil in the oil distribution pipe 11 falls on the diversion cover 6 through an oil leakage hole, and fuel oil enters the shell 1 through the upper end surface of the diversion cover 6 and then falls on an oil guide ring 8 arranged in the shell 1;

furthermore, the oil inlet holes 12 are uniformly arranged along the center line of the cover body 9 at equal intervals, and the arrangement of the oil inlet holes 12 enables the fuel oil in the oil distribution pipe 11 to be uniformly distributed on the flow guide cover 6 and enter the shell 1 through the flow guide cover 6;

further, two oil inlet pipes 20 are arranged on the oil distribution pipe 11, the two oil inlet pipes 20 are symmetrically arranged along the central line of the cover body 9, the oil inlet pipes 20 are communicated with the oil distribution pipe 11, and the arrangement of the two oil inlet pipes 20 improves the oil inlet speed of the fuel filter.

The using process of the utility model is as follows: when the utility model is used, the arc cover 14 penetrates the cover body 9 through the through groove 10 and extends to one side of the cover body 9, and is tightly attached to the cover body 9, the cover body 9 is connected with the shell 1 through threads, the oil distributing pipe 11 is arranged on the cover body 9, a plurality of oil leaking holes are arranged at the bottom of the oil distributing pipe 11, oil is injected through the oil inlet pipe 20 connected on the oil distributing pipe, the oil in the oil inlet pipe 20 uniformly falls into the flow guide cover 6 through the plurality of oil leaking holes, the condition that the oil is blocked in the oil inlet pipe 20 after long-term use is reduced to a certain extent, because the flow guide cover 6 is arranged in a circular truncated cone shape, the oil further falls onto the flow guide cover 6, flows into the shell 1 through a gap between the flow guide cover and the shell 1, the oil entering into the shell 1 is guided into the outer side of the filter paper 4 through the oil guide ring 8 arranged in the shell 1, the oil flows from top to bottom on the end surface at the outer side of the filter paper 4, further, the effective use area of the filter paper 4 is increased, the filtering effect of the filter paper 4 is improved to the maximum, fuel oil flows down along the end face of the outer side from top to bottom, and is finally gathered at the bottom of the arc-shaped cover 14, when the fuel oil is gathered to a certain height, clean fuel oil penetrates through the filter paper 4 and the filter element through hole 19 to the inner wall of the central tube 2, most of metal impurities form gathering inside the arc-shaped cover 14 along the upper end face of the arc-shaped cover 14 under the influence of self weight and fall into the discharge tube 15 in the gathering process of the fuel oil at the bottom of the arc-shaped cover 14, otherwise, when the fuel oil filter core is cleaned, the fuel oil filter is firstly detached from the pipeline, then the switch valve 16 on the discharge tube 15 is opened, clean water is simultaneously injected through the oil inlet tube 20 of the tank, the clean water falls into the bottom end inside the shell 1 along the end faces of the flow guide cover 6, the oil guide ring 8 and the filter paper 4, and the clean water can drain the flow guide cover 6, The oil guide ring 8 and the filter paper 4 are flushed, magazines on the end faces of the oil guide cover 6, the oil guide ring 8 and the filter paper 4 can be cleaned to a certain degree to a certain extent, and the fuel filter is removed along with the collected magazines formed inside the arc-shaped cover 14, so that the service life of the filter is prolonged to a certain extent.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. The utility model provides a fuel filter convenient to wash, includes casing (1) and sets up the inside filtering mechanism in casing (1), its characterized in that: the filter mechanism comprises a central tube (2), a cover plate (3) is fixedly connected to the top of the central tube (2), filter paper (4) is fixedly arranged at the bottom of the cover plate (3), the filter paper (4) is arranged around the wrapping central tube (2), an oil guide tube (5) is fixedly connected to the top of the central tube (2), a guide cover (6) is arranged at the top of the oil guide tube (5), a connecting part (7) is fixedly arranged at the center of the guide cover (6), the connecting part (7) is embedded into the inner side of the top of the oil guide tube (5), the connecting part (7) is fixedly connected with the oil guide tube (5), the guide cover (6) is arranged in a radian round platform shape, the oil guide tube (5) wraps the top of the cover plate (3), an oil guide ring (8) is fixedly arranged inside the shell (1), and the oil guide ring (8) is arranged around the central axis of the shell (1), one side of the oil guide ring (8) far away from the shell (1) is bent downwards;

casing (1) top threaded connection has lid (9), logical groove (10) have been seted up in lid (9) central authorities department, lead to groove (10) and pass through at water conservancy diversion lid (6) top and accept to leading to the groove (10) outside, lid (9) inboard and water conservancy diversion lid (6) closely laminate the setting, be provided with on lid (9) and divide oil pipe (11), divide oil pipe (11) to encircle the setting along lid (9) axis, lead oil pipe (5) bottom and seted up a plurality of inlet ports (12).

2. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: the internal thread is seted up to connecting portion (7) inboard, connecting portion (7) top is provided with oil pipe (13), oil pipe (13) are connected with connecting portion (7) through the screw thread.

3. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: casing (1) bottom fixedly connected with arc lid (14), arc lid (14) central point department is sunken setting, arc lid (14) bottom is fixed and is provided with discharging pipe (15), discharging pipe (15) communicate with each other with casing (1) inside, fixed ooff valve (16) that is provided with on discharging pipe (15).

4. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: the overflow valve (17) is arranged at the joint of the central tube (2) and the oil guide tube (5), and the overflow valve (17) is fixedly arranged inside the oil guide tube (5).

5. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: the bottom of the central pipe (2) is fixedly connected with a supporting block (18), and the bottom of the supporting block (18) is abutted to the arc-shaped cover (14).

6. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: a plurality of filter element through holes (19) are formed in the central tube (2), and the filter element through holes (19) are uniformly formed.

7. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: a certain distance is arranged between the cover plate (3) and the shell (1), and a certain distance is arranged between the diversion cover (6) and the shell (1).

8. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: a plurality of the oil inlet holes (12) are uniformly arranged along the central line of the cover body (9) at equal intervals.

9. The fuel filter of claim 1 wherein the fuel filter is adapted to facilitate cleaning by: the oil distributing pipe is characterized in that two oil inlet pipes (20) are arranged on the oil distributing pipe (11), the two oil inlet pipes (20) are symmetrically arranged along the central line of the cover body (9), and the oil inlet pipes (20) are communicated with the oil distributing pipe (11).