CN216726059U

CN216726059U - Integrated multistage filtering device

Info

Publication number: CN216726059U
Application number: CN202122476369.8U
Authority: CN
Inventors: 陈蔚洋
Original assignee: Shenzhen Changpengtong Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shenzhen Changpengtong Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-06-14
Anticipated expiration: 2031-10-14

Abstract

The utility model belongs to the technical field of filtering devices, and relates to an integrated multi-stage filtering device which comprises a protective shell, wherein the top of the protective shell is in threaded connection with a sealing cover, the inner wall of the protective shell is fixedly connected with a fixing ring, a first filtering piece is arranged inside the protective shell, the inner wall of the first filtering piece is connected with a second filtering piece in a sliding manner, the bottom of the first filtering piece is clamped with a ring plate, and the inner wall of the second filtering piece is fixedly connected with a filter screen. Its beneficial effect is, through the first combined action of straining piece, piece and filter screen are strained to the second, can play multi-stage filtration's effect to fluid, thereby improve the filter effect to fluid, through the protective housing, the closing cap, the combined action of draw-in groove and fixture block, can be after long-time the use, the convenience is strained the piece to first and the second and is changed, through the setting of ring channel and annular piece, the convenience is changed the annular shutoff, through the setting of protective housing, improve the holistic life of device.

Description

Integrated multistage filtering device

Technical Field

The utility model belongs to the technical field of filtering devices, and particularly relates to an integrated multi-stage filtering device.

Background

The oil filter is the filtration of the media in the load lubrication system. In the working process of the engine, metal abrasive dust, carbon deposit and colloidal precipitate oxidized at high temperature, water and the like are continuously mixed into the lubricating oil; the engine oil filter is positioned in an engine lubricating system, an engine oil pump is arranged at the upstream of the engine oil filter, and each part needing to be lubricated in the engine is arranged at the downstream of the engine oil filter, and the engine oil filter is used for filtering mechanical impurities and colloid in the engine oil, keeping the cleanness of the lubricating oil and prolonging the use of the parts.

An integrated filter device as disclosed in chinese patent literature, publication No.: CN205135869U, published: 20160406, although the problems of poor water separation effect and incapability of automatically checking the pressure in the filter are solved, the problem of poor oil liquid filtering effect is not solved, and meanwhile, the filter element is inconvenient to replace, so that the integrated multistage filter device is specially provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an integrated multi-stage filtering device, which solves the technical problems of poor filtering effect and inconvenience in replacement.

In order to achieve the purpose, the utility model provides the following technical scheme: an integrated multi-stage filtering device comprises a protective shell, wherein the top of the protective shell is in threaded connection with a sealing cover, the inner wall of the protective shell is fixedly connected with a fixing ring, a first filtering piece is arranged inside the protective shell, the inner wall of the first filtering element is connected with a second filtering element in a sliding way, the bottom of the first filtering element is clamped with a ring plate, the inner wall of the second filter element is fixedly connected with a filter screen, the bottom of the fixing ring is provided with an oil outlet pipe, the outer side of one end of the oil outlet pipe is lapped with the inner wall of the second filtering element, the bottom of the ring plate is provided with a ring-shaped groove, an annular block is clamped in the annular groove, the bottom of the annular block is fixedly connected with an annular plug, the bottom of the annular plug is lapped with the top of the fixing ring, the top of the fixing ring is fixedly connected with an annular strip, a plurality of oil inlets are formed in the fixing ring, and are located below the annular plugs.

As a further scheme of the utility model: the protective housing comprises a housing, a first corrosion-resistant coating is fixedly connected to the inner wall of the housing, a wear-resistant layer is fixedly connected to the outer side of the housing, and a second corrosion-resistant coating is fixedly connected to the outer side of the wear-resistant layer.

As a further scheme of the utility model: the first filter element and the second filter element are identical in structure, the first filter element comprises a filter tube and folded filter paper, and the folded filter paper is fixedly connected to the outer side of the filter tube.

As a further scheme of the utility model: the outer side of the protective shell is fixedly connected with a mounting ring, a plurality of mounting holes are formed in the mounting ring, and the annular plug is made of a flexible material.

As a further scheme of the utility model: the outer side of the protective shell is provided with external threads, the inner wall of the sealing cover is provided with internal threads, and the external threads of the protective shell are in threaded connection with the internal threads of the sealing cover.

As a further scheme of the utility model: a plurality of draw-in grooves have been seted up to the bottom of first filter, and is a plurality of equal joint has the fixture block in the draw-in groove, and is a plurality of the equal fixed connection in bottom of fixture block is at the top of crown plate.

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

1. this multistage filter of integrated form, through the combined action of first filter element, second filter element and filter screen, can play the effect of multistage filtration to fluid to improve the filter effect to fluid, through the combined action of protective housing, closing cap, draw-in groove and fixture block, can be after long-time the use, conveniently filter element and second to first filter element and change, through the setting of ring channel and annular piece, the convenience is changed the annular shutoff.

2. This multistage filter of integrated form, through the setting of annular shutoff, can expand automatically when the oil feed, self-sealing when not the oil feed improves the self-adaptability of device, through the setting of protective housing, improves the holistic life of device, through the setting of collar and mounting hole, conveniently installs the device.

3. This multistage filter equipment of integrated form through the setting of first corrosion resistant coating, wearing layer and second corrosion resistant coating, can improve the wearability and the corrosion resistance of casing, through the setting of oil pipe and annular strip, can filter piece and first when straining the piece at the installation second, fix a position to be convenient for change.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of a front view cross section of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a schematic structural view of the protective casing of FIG. 1 according to the present invention;

in the figure: 1. a protective shell; 101. a housing; 102. a first corrosion-resistant coating; 103. a wear layer; 104. a second corrosion-resistant coating; 2. sealing the cover; 3. a mounting ring; 4. mounting holes; 5. a first filter element; 501. a filter tube; 502. folding filter paper; 6. a second filter element; 7. filtering with a screen; 8. a ring plate; 9. an oil outlet pipe; 10. a fixing ring; 11. a card slot; 12. a clamping block; 13. an annular strip; 14. an oil inlet hole; 15. an annular groove; 16. a ring block; 17. and (6) annular plugging.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: an integrated multistage filtering device comprises a protective shell 1, the service life of the whole device is prolonged through the arrangement of the protective shell 1, the top of the protective shell 1 is in threaded connection with a sealing cover 2, the inner wall of the protective shell 1 is fixedly connected with a fixing ring 10, a first filtering element 5 is arranged inside the protective shell 1, the inner wall of the first filtering element 5 is in sliding connection with a second filtering element 6, the bottom of the first filtering element 5 is clamped with a ring plate 8, the first filtering element 5 and the second filtering element 6 can be conveniently replaced after long-time use through the combined action of the protective shell 1, the sealing cover 2, a clamping groove 11 and a clamping block 12, the inner wall of the second filtering element 6 is fixedly connected with a filter screen 7, the multistage filtering effect on oil can be achieved through the combined action of the first filtering element 5, the second filtering element 6 and the filter screen 7, the filtering effect on the oil is improved, an oil outlet pipe 9 is arranged at the bottom of the fixing ring 10, the one end outside of going out oil pipe 9 and the inner wall overlap joint of second filter 6, ring channel 15 has been seted up to the bottom of crown plate 8, the joint has annular piece 16 in the ring channel 15, the bottom fixedly connected with annular shutoff 17 of annular piece 16, setting through ring channel 15 and annular piece 16, conveniently change annular shutoff 17, the bottom of annular shutoff 17 and the top overlap joint of solid fixed ring 10, solid fixed ring 10's top fixedly connected with annular strip 13, through the setting of going out oil pipe 9 and annular strip 13, can be when installing second filter 6 and first filter 5, fix a position, thereby be convenient for change, gu seted up a plurality of inlet ports 14 on the fixed ring 10, a plurality of inlet ports 14 all are located the below of annular shutoff 17.

Specifically, as shown in fig. 3 and 5: the protective shell 1 comprises a shell 101, a first corrosion-resistant coating 102 is fixedly connected to the inner wall of the shell 101, a wear-resistant layer 103 is fixedly connected to the outer side of the shell 101, a second corrosion-resistant coating 104 is fixedly connected to the outer side of the wear-resistant layer 103, the wear-resistant performance and the corrosion resistance of the shell 101 can be improved through arrangement of the first corrosion-resistant coating 102, the wear-resistant layer 103 and the second corrosion-resistant coating 104, the first filter piece 5 and the second filter piece 6 are identical in structure, the first filter piece 5 comprises a filter pipe 501 and folded filter paper 502, and the folded filter paper 502 is fixedly connected to the outer side of the filter pipe 501.

Specifically, as shown in fig. 1, 2, and 4: the outside fixedly connected with collar 3 of protective housing 1, a plurality of mounting holes 4 have been seted up on the collar 3, setting through collar 3 and mounting hole 4, the convenience is installed the device, annular shutoff 17 is made by flexible material, the outside of protective housing 1 is provided with the external screw thread, the inner wall of closing cap 2 is provided with the internal thread, the external screw thread of protective housing 1 and the internal thread threaded connection of closing cap 2, a plurality of draw-in grooves 11 have been seted up to the bottom of first piece 5 of straining, equal joint has fixture block 12 in a plurality of draw-in grooves 11, the equal fixed connection in the top of crown plate 8 in the bottom of a plurality of fixture blocks 12.

The working principle of the utility model is as follows:

s1, when the oil filter is used, oil passes through the oil inlet 14 to extrude the annular plug 17, so that the annular plug 17 is unfolded upwards, the oil enters the protective shell 1 and then passes through the first filter element 5 and the second filter element 6, when the oil passes through the first filter element 5 and the second filter element 6, the folded filter paper 502 filters impurities in the oil, meanwhile, the oil is discharged through the oil outlet pipe 9, and when the oil is discharged, the oil is filtered through the filter screen 7;

s2, when the first filter element 5 and the second filter element 6 need to be replaced, separating the sealing cover 2 from the protective shell 1, pulling the first filter element 5 upwards, driving the second filter element 6 and the annular plate 8 to ascend by the first filter element 5, driving the annular plug 17 to ascend by the annular plate 8, separating the second filter element 6 from the oil outlet pipe 9, then drawing the first filter element 5 and the second filter element 6 out of the protective shell 1, then drawing the second filter element 6 out of the first filter element 5, simultaneously separating the first filter element 5 from the annular plate 8, and replacing the first filter element 5 and the second filter element 6 with new ones;

s3, pushing the first filter element 5 back inward, so that the second filter element 6 is sleeved on the oil outlet pipe 9, the annular plug 17 is located in the annular strip 13, and finally, screwing the seal cover 2 onto the protective casing 1, thereby completing the replacement.

Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims

1. An integrated multistage filter device, includes protective housing (1), its characterized in that: the top of the protective shell (1) is in threaded connection with a sealing cover (2), the inner wall of the protective shell (1) is fixedly connected with a fixing ring (10), a first filtering piece (5) is arranged inside the protective shell (1), the inner wall of the first filtering piece (5) is in sliding connection with a second filtering piece (6), the bottom of the first filtering piece (5) is connected with a ring plate (8) in a clamping manner, the inner wall of the second filtering piece (6) is fixedly connected with a filter screen (7), the bottom of the fixing ring (10) is provided with an oil outlet pipe (9), the outer side of one end of the oil outlet pipe (9) is in lap joint with the inner wall of the second filtering piece (6), the bottom of the ring plate (8) is provided with a ring groove (15), a ring block (16) is in the ring groove (15) in a clamping manner, the bottom of the ring block (16) is fixedly connected with a ring block (17), the bottom of the ring block (17) is in lap joint with the top of the fixing ring block (10), the top fixedly connected with annular strip (13) of solid fixed ring (10), gu seted up a plurality of inlet ports (14) on fixed ring (10), it is a plurality of inlet port (14) all are located the below of annular shutoff (17).

2. An integrated multi-stage filtration unit according to claim 1, wherein: the protective shell (1) comprises a shell (101), a first corrosion-resistant coating (102) is fixedly connected to the inner wall of the shell (101), a wear-resistant layer (103) is fixedly connected to the outer side of the shell (101), and a second corrosion-resistant coating (104) is fixedly connected to the outer side of the wear-resistant layer (103).

3. An integrated multi-stage filtration unit according to claim 1, wherein: the structure of the first filter element (5) is the same as that of the second filter element (6), the first filter element (5) comprises a filter tube (501) and folded filter paper (502), and the folded filter paper (502) is fixedly connected to the outer side of the filter tube (501).

4. An integrated multi-stage filtration unit according to claim 1, wherein: the outer side of the protective shell (1) is fixedly connected with a mounting ring (3), a plurality of mounting holes (4) are formed in the mounting ring (3), and the annular plugs (17) are made of flexible materials.

5. An integrated multi-stage filtration unit according to claim 1, wherein: the outer side of the protective shell (1) is provided with external threads, the inner wall of the sealing cover (2) is provided with internal threads, and the external threads of the protective shell (1) are in threaded connection with the internal threads of the sealing cover (2).

6. An integrated multi-stage filtration unit according to claim 1, wherein: a plurality of draw-in grooves (11) have been seted up to the bottom of first filter (5), and is a plurality of equal joint has fixture block (12) in draw-in groove (11), and is a plurality of the equal fixed connection in bottom of fixture block (12) is at the top of crown plate (8).