CN219529172U

CN219529172U - Composite filter material fuel filter

Info

Publication number: CN219529172U
Application number: CN202320485631.1U
Authority: CN
Inventors: 胥潇; 白文会
Original assignee: Dongguan Luao Filter Co ltd
Current assignee: Dongguan Luao Filter Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-15
Anticipated expiration: 2033-03-14

Abstract

The utility model relates to the technical field of diesel filters, in particular to a composite filter material fuel filter which comprises a shell and a bottom shell arranged at the bottom of the shell, wherein a filter element is arranged in the shell, the filter element comprises two symmetrically arranged mounting plates, the mounting plates positioned at the lower part are of a net structure, and an upper filter layer positioned at the upper part, a middle filter layer positioned at the middle part and a lower filter layer positioned at the lower part are arranged between the two mounting plates. According to the utility model, the filter element is arranged into three parts, and the middle filter layer is formed by compounding a plurality of materials, so that the filtering effect of the filter element on diesel oil can be improved, and the purity of the diesel oil entering an engine can be improved when the diesel oil filter is used.

Description

Composite filter material fuel filter

Technical Field

The utility model relates to the technical field of diesel filters, in particular to a composite filter material fuel filter.

Background

The diesel filter has the functions of filtering out harmful impurities and water in a fuel system, protecting the normal operation of an engine, reducing abrasion, avoiding blockage and prolonging the service life of the engine, and the diesel filter main body comprises a shell, a filter element arranged in the shell and a bottom shell arranged at the bottom of the shell.

There is a diesel filter as in patent application number CN202022013173.0 in the prior art and has been supplied to open a diesel filter, including the shell, set up the filter core in the shell, in the port department threaded connection end cover of shell be equipped with the breach on the external screw thread of shell, be equipped with on the lateral wall of end cover and link up the groove, link up the rotation axis in the groove, rotate in the axis of rotation and connect the joint board, joint board joint breach, link up the box body in the outside in link up the groove, be equipped with the screw thread through-hole on the box body, at screw thread through-hole internal thread connecting bolt, the bolt is used for fixing the joint board.

Although the technical scheme is that when the end cover is in threaded connection with the shell, the end cover is clamped with the notch on the shell through the clamping plate on the end cover, so that the end cover can be prevented from loosening, and oil leakage of the filter is caused; however, the filter element material adopted in the technical scheme is single, so that the filter effect on diesel oil is poor, and the purity of the diesel oil entering the engine is reduced to a certain extent. In view of this, we propose a composite filter media fuel filter.

Disclosure of Invention

In order to make up for the defects, the utility model provides a composite filter material fuel filter.

The technical scheme of the utility model is as follows:

the utility model provides a compound filter media fuel filter, includes the shell and installs in the drain pan of shell bottom, shell internally mounted has the filter core, the filter core is the network structure including two mounting panels that the symmetry set up and the mounting panel that is located the lower part, is equipped with the intermediate filter layer that is located upper portion, middle part and the lower filter layer that is located the lower part between two mounting panels, the intermediate filter layer down includes gauze layer, cotton cloth layer, plain net layer metal mesh layer and PP layer from last respectively, be equipped with the sleeve pipe between the mounting panel, it locates the sleeve pipe outside to go up filter layer, intermediate filter layer and lower filter layer all cover.

As the preferable technical scheme, an oil inlet pipe and an oil outlet pipe are arranged at the top of the shell.

As the preferable technical scheme, the sleeve is provided with an outlet hole communicated with the oil outlet pipe, and an oil inlet hole communicated with the oil inlet pipe is formed in the mounting plate at the top.

As an optimal technical scheme, a diversion layer is arranged between the cotton cloth layer and the flat net layer.

As the preferable technical scheme, a first connecting plate is integrally formed at the bottom of the outer wall of the circumference of the shell, and a second connecting plate fixed with the first connecting plate through bolts is fixedly connected to the top of the bottom shell.

As the preferable technical scheme, the second connecting plate is in a ring shape, and the inner diameter of the second connecting plate is smaller than the diameter of the mounting plate and larger than the outer diameter of the sleeve.

As the preferable technical scheme, the sleeve is in threaded connection with the two mounting plates, and the sleeve is flush with the outer walls of the two mounting plates.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the filter element is arranged into three parts, and the middle filter layer is formed by compounding a plurality of materials, so that the filtering effect of the filter element on diesel oil can be improved, and the purity of the diesel oil entering an engine can be improved when the diesel oil filter is used.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic structural view of a filter element according to the present utility model;

FIG. 3 is a schematic view of the structure of the middle filter layer according to the present utility model;

fig. 4 is a schematic view of the structure of the mounting plate and the sleeve in the present utility model.

The meaning of each reference numeral in the figures is:

1. a housing; 10. an oil outlet pipe; 11. an oil inlet pipe; 13. a first connecting plate; 2. a filter element; 20. a mounting plate; 21. an outlet aperture; 22. an oil inlet hole; 23. a filtering layer is arranged; 24. an intermediate filter layer; 240. a gauze layer; 241. a gauze layer; 242. a cotton cloth layer; 243. a shunt layer; 244. a flat net layer; 245. a metal mesh layer; 246. a PP layer; 25. a lower filtering layer; 26. a sleeve; 3. a bottom case; 30. and a second connecting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a composite filter material fuel filter, including shell 1 and install in the drain pan 3 of shell 1 bottom, shell 1 internally mounted has filter core 2, filter core 2 is the network structure including two mounting panels 20 that the symmetry set up and the mounting panel 20 that is located the lower part, be equipped with the intermediate filter layer 24 that is located upper portion between two mounting panels 20 and be located upper portion filtering layer 23, middle part and be located lower filter layer 25 of lower part, intermediate filter layer 24 includes gauze layer 240 from last down respectively, gauze layer 241, cotton layer 242, flat screen layer 244 metal mesh layer 245 and PP layer 246, be equipped with sleeve 26 between the mounting panel 20, the sleeve 26 outside is all located to upper filter layer 23, intermediate filter layer 24 and lower filter layer 25. By arranging the filter element 2 into three parts, and the middle filter layer 24 is formed by compounding various materials, the filtering effect of the filter element 2 on diesel oil can be improved, and the purity of the diesel oil entering an engine can be improved when the diesel oil filter is used.

The pore size or mesh diameter of each material layer in the middle filter layer 24 in this embodiment is between 10 and 30 micrometers, and the pore size or mesh diameter of the lower material layer is smaller. The gauze layer 240, the gauze layer 241 and the cotton cloth layer 242 that set up can filter the particulate matters in the diesel oil step by step, and the flat net layer 244 and the metal net layer 245 can both reduce diesel oil and block up, and the PP layer 246 adopts the same material with the pocket filter, and then can carry out more accurate filtration to diesel oil.

Preferably, the top of the casing 1 is provided with an oil inlet pipe 11 and an oil outlet pipe 10. The oil inlet and the oil outlet of the filter can be realized.

Preferably, the sleeve 26 is provided with an outlet hole 21 communicated with the oil outlet pipe 10, and the mounting plate 20 at the top is provided with an oil inlet hole 22 communicated with the oil inlet pipe 11. The diesel oil is fed through the oil feeding pipe 11 and filtered by the filter element 2, and enters the oil outlet pipe 10 from the outlet hole 21 in the sleeve 26 for oil discharge, and the diesel oil can be filtered.

Preferably, a flow dividing layer 243 is provided between the cotton cloth layer 242 and the flat net layer 244. The split-flow layer 243 can make the diesel oil more uniform after passing through the split-flow layer 243, and avoid the diesel oil accumulating in a certain place in the middle filter layer 24.

As a preferred embodiment, the bottom of the outer wall of the circumference of the housing 1 is integrally formed with a first connecting plate 13, and the top of the bottom shell 3 is fixedly connected with a second connecting plate 30 which is fixed with the first connecting plate 13 through bolts. The bottom shell 3 can be connected with the shell 1 through the first connecting plate 13 and the second connecting plate 30.

Preferably, the second connecting plate 30 is annular, and has an inner diameter smaller than the diameter of the mounting plate 20 and larger than the outer diameter of the sleeve 26. Ensuring that the second connecting plate 30 can support the filter element 2 to a certain extent.

Preferably, the sleeve 26 is threaded with both mounting plates 20, and the sleeve 26 is flush with the outer walls of both mounting plates 20. The filter element 2 positioned between the two mounting plates 20 can be conveniently detached, and the recovery of the filter element 2 is convenient.

According to the composite filter material fuel filter, the filter element 2 is arranged into three parts, and the middle filter layer 24 is formed by compounding a plurality of materials, so that the filtering effect of the filter element 2 on diesel oil can be improved, and the purity of the diesel oil entering an engine can be improved when the composite filter material fuel filter is used; and the gauze layer 240, the gauze layer 241 and the cotton layer 242 that set up can filter the particulate matter in the diesel oil step by step, and flat net layer 244 and metal mesh layer 245 all can reduce diesel oil and stop up, and the PP layer 246 adopts the same material with the pocket filter, and then can carry out more accurate filtration to diesel oil.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound filter media fuel filter, includes shell (1) and installs in drain pan (3) of shell (1) bottom, its characterized in that: the utility model discloses a filter element, including shell (1) internally mounted, filter core (2) are two mounting panels (20) that set up including the symmetry and are located mounting panel (20) of lower part for network structure, are equipped with between two mounting panels (20) and are located upper portion's upper filter layer (23), middle filter layer (24) at middle part and are located lower filter layer (25) of lower part, middle filter layer (24) down include gauze layer (240), gauze layer (241), cotton layer (242), plain net layer (244) metal mesh layer (245) and PP layer (246) respectively from last, be equipped with sleeve pipe (26) between mounting panel (20), sleeve pipe (26) outside are all located to upper filter layer (23), middle filter layer (24) and lower filter layer (25) cover.

2. The composite filter media fuel filter of claim 1, wherein: an oil inlet pipe (11) and an oil outlet pipe (10) are arranged at the top of the shell (1).

3. The composite filter media fuel filter of claim 1, wherein: the sleeve (26) is provided with an outlet hole (21) communicated with the oil outlet pipe (10), and an oil inlet hole (22) communicated with the oil inlet pipe (11) is formed in the mounting plate (20) at the top.

4. The composite filter media fuel filter of claim 1, wherein: a diversion layer (243) is arranged between the cotton cloth layer (242) and the flat net layer (244).

5. A composite filter media fuel filter as recited in claim 3, wherein: the bottom of the outer wall of the circumference of the shell (1) is integrally formed with a first connecting plate (13), and the top of the bottom shell (3) is fixedly connected with a second connecting plate (30) which is fixed with the first connecting plate (13) through bolts.

6. The composite filter media fuel filter of claim 5, wherein: the second connecting plate (30) is in a circular ring shape, the inner diameter of the second connecting plate is smaller than the diameter of the mounting plate (20), and the diameter of the second connecting plate is larger than the outer diameter of the sleeve (26).

7. The composite filter media fuel filter of claim 1, wherein: the sleeve (26) is in threaded connection with the two mounting plates (20), and the sleeve (26) is flush with the outer walls of the two mounting plates (20).