CN218046766U

CN218046766U - Multi-stage oil filtering device with conveniently-disassembled filter screen structure

Info

Publication number: CN218046766U
Application number: CN202220861840.7U
Authority: CN
Inventors: 骆春雨; 朱有熙; 胡勇
Original assignee: Fujian Funeng New Energy Co ltd
Current assignee: Fujian Funeng New Energy Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-12-16
Anticipated expiration: 2032-04-14

Abstract

The utility model belongs to the technical field of filtration equipment, specifically disclose a multistage oil filter device with just, tear formula filter screen structure open, including the oil tank, the inside rigid coupling of oil tank has the loading board, the inside of oil tank is provided with the oil return filter on the loading board, the oil return filter includes the cartridge filter, be equipped with first filter screen board, second filter screen board and third filter screen board in the cartridge filter from top to bottom in proper order, the both sides of first filter screen board, second filter screen board and third filter screen board have all seted up the through-hole, run through the lead screw in the through-hole, and the lead screw is on the upper and lower equal screwed sleeve of first filter screen board, second filter screen board and third filter screen board and is equipped with the nut; the top end of the screw rod is fixedly connected with a positioning rod which is clamped with a positioning groove formed in the inner bottom wall of the filter cylinder; the top end of the screw rod is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a fixed plate, and the fixed plate is connected with the filter cartridge through a screw; the utility model discloses the filter effect is good, and is convenient for dismantle the clearance to filtering the otter board.

Description

Multi-stage oil filtering device with conveniently-disassembled filter screen structure

Technical Field

The utility model relates to an oil strain equipment technical field specifically is a multistage oil strain device of formula filter screen structure is just torn open to have.

Background

The hydraulic station is a hydraulic oil supply device composed of a hydraulic pump, a driving motor, an oil tank, an integrated valve group and the like, supplies oil according to the flow direction, pressure and flow rate required by the driving device, is suitable for various machines with the driving device separated from the hydraulic station, and can be connected with the driving device (an oil cylinder or a motor) through an oil pipe, so that a hydraulic system can realize various specified actions. After the hydraulic station works for a long time, a plurality of impurities can be accumulated in the system oil filter device, the filter screen plates in the oil filter device need to be cleaned, a plurality of filter screen plates in the conventional oil filter device are generally separately installed from top to bottom, the filter screen plates are directly fixed on the inner wall of an oil tank through bolts during installation, when the filter screen plates need to be cleaned, the filter screen plates need to be detached one by one inside the oil tank, the operation is performed inside the oil tank, the space is limited, and when oil exists in the oil tank, the filter screen plates are inconvenient to detach, the filter screen plates are further inconvenient to clean, if workers do not clean the filter screen plates due to trouble, the filtering effect can be reduced, and therefore, the multistage oil filter device with the conveniently detached filter screen structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage oil filter device of formula filter screen structure is just torn open to the problem of proposition among the above-mentioned background art is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-stage oil filtering device with a conveniently-disassembled filter screen structure comprises an oil tank, wherein a sealing cover is arranged at the top end of the oil tank, a bearing plate is fixedly connected inside the oil tank, and a first oil outlet hole is formed in the middle of the bearing plate; an oil return filter is arranged on the bearing plate inside the oil tank and comprises a filter cylinder, a second oil outlet hole is formed in the bottom end of the filter cylinder, a fixture block is fixedly connected to the bottom end of the filter cylinder, and the fixture block is clamped with a clamping groove formed in the top of the bearing plate; a first filter screen plate, a second filter screen plate and a third filter screen plate are sequentially arranged in the filter cartridge from top to bottom, through holes are formed in the two sides of the first filter screen plate, the two sides of the second filter screen plate and the two sides of the third filter screen plate, and the through holes in the first filter screen plate, the second filter screen plate and the third filter screen plate are correspondingly arranged; a screw rod penetrates through the through hole, and screw caps are sleeved on the screw rod at the upper part and the lower part of the first filter screen plate, the second filter screen plate and the third filter screen plate in a spiral way; the top end of the screw rod is fixedly connected with a positioning rod which is clamped with a positioning groove formed in the inner bottom wall of the filter cylinder; the top rigid coupling of lead screw has the connecting rod, and one side rigid coupling of connecting rod has the fixed plate, and passes through the screw connection between fixed plate and the cartridge filter.

Preferably, an oil inlet pipe joint is arranged at the top end of the sealing cover, and an oil inlet pipe is mounted on the oil inlet pipe joint.

Preferably, the bottom of oil tank is equipped with out the oil pipe joint, it installs the oil pipe on the oil pipe joint to go out.

Preferably, the aperture of the filter holes of the first filter screen plate, the second filter screen plate and the third filter screen plate is reduced in sequence.

Preferably, a sealing ring is arranged between the sealing cover and the oil tank, and the sealing cover is fixedly connected with the oil tank through a fastening bolt.

Preferably, the screw rod is connected with the through hole in a sliding mode.

Preferably, the top end of the connecting rod is fixedly connected with a pull ring.

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

1. the utility model discloses be provided with first filter plate, second filter plate and third filter plate in the well oil return filter, can carry out a lot of to the oil among the hydraulic system and filter, the filter effect is good.

2. The middle sealing cover of the utility model is fixedly connected with the oil tank through the fastening bolt, can be disassembled, and is convenient to take out the oil return filter to clean the oil return filter; through dismantling the screw and drive the connecting rod rebound through the pull ring, can take out first filter plate, second filter plate and third filter plate from the cartridge filter, can take off first filter plate, second filter plate and third filter plate from the lead screw in proper order through dismantling the nut, easy operation, the dismouting of being convenient for, and can part to first filter plate, second filter plate and third filter plate clear up, clear up effectually.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded schematic view of the oil return filter of the present invention;

fig. 3 is a schematic top view of the filter cartridge of the present invention.

In the figure: 1. an oil tank; 2. a sealing cover; 3. an oil inlet pipe joint; 4. an oil inlet pipe; 5. an oil outlet pipe joint; 6. an oil outlet pipe; 7. a carrier plate; 8. a first oil outlet hole; 9. a filter cartridge; 10. a second oil outlet hole; 11. a clamping block; 12. a card slot; 13. a first filter screen plate; 14. a second filter screen plate; 15. a third filter screen plate; 16. a through hole; 17. a screw rod; 18. a nut; 19. positioning a rod; 20. positioning a groove; 21. a connecting rod; 22. a fixing plate; 23. a screw; 24. a seal ring; 25. fastening a bolt; 26. and (4) a pull ring.

Detailed Description

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-stage oil filtering device with a conveniently-disassembled filter screen structure comprises an oil tank 1, wherein a sealing cover 2 is arranged at the top end of the oil tank 1, a bearing plate 7 is fixedly connected inside the oil tank 1, and a first oil outlet hole 8 is formed in the middle of the bearing plate 7; an oil return filter is arranged on the bearing plate 7 in the oil tank 1 and comprises a filter cylinder 9, a second oil outlet 10 is formed in the bottom end of the filter cylinder 9, a fixture block 11 is fixedly connected to the bottom end of the filter cylinder 9, and the fixture block 11 is clamped with a clamping groove 12 formed in the top of the bearing plate 7; a first filter screen plate 13, a second filter screen plate 14 and a third filter screen plate 15 are sequentially arranged in the filter cartridge 9 from top to bottom, through holes 16 are respectively formed in two sides of the first filter screen plate 13, the second filter screen plate 14 and the third filter screen plate 15, and the through holes 16 on the first filter screen plate 13, the second filter screen plate 14 and the third filter screen plate 15 are correspondingly arranged; a screw rod 17 penetrates through the through hole 16, and screw caps 18 are spirally sleeved on the screw rod 17 above and below the first filter screen 13, the second filter screen 14 and the third filter screen 15; a positioning rod 19 is fixedly connected to the top end of the screw rod 17, and the positioning rod 19 is clamped with a positioning groove 20 formed in the inner bottom wall of the filter cartridge 9; the top rigid coupling of lead screw 17 has connecting rod 21, and one side rigid coupling of connecting rod 21 has fixed plate 22, and passes through the screw 23 connection between fixed plate 22 and the cartridge filter 9.

Furthermore, an oil inlet pipe joint 3 is arranged at the top end of the sealing cover 2, and an oil inlet pipe 4 is installed on the oil inlet pipe joint 3.

Further, the bottom end of the oil tank 1 is provided with an oil outlet pipe joint 5, and an oil outlet pipe 6 is installed on the oil outlet pipe joint 5.

Further, the aperture of the filter holes of the first filter screen plate 13, the second filter screen plate 14 and the third filter screen plate 15 is reduced in sequence.

Further, a sealing ring 24 is arranged between the sealing cover 2 and the oil tank 1, and the sealing cover 2 and the oil tank 1 are fixedly connected through a fastening bolt 25.

Further, the screw rod 17 is slidably connected with the through hole 16.

Further, a pull ring 26 is fixedly connected to the top end of the connecting rod 21.

The working principle is as follows: when the filter screen plate in the oil return filter needs to be cleaned, firstly, the fastening bolt 25 is disassembled to take the sealing cover 2 off the oil tank 1, then the pull ring 26 drives the filter cylinder 9 to move upwards, the clamping block 11 is separated from the clamping groove 12, the upward movement is continued to take the filter cylinder 9 out of the oil tank 1, the operation is simple, and the cleaning of the oil return filter in the later period is facilitated; then, the screw 23 is disassembled, the connecting rod 21 is driven to move upwards through the pull ring 26 again, the connecting rod 21 enables the positioning rod 19 to be pulled out of the positioning groove 20 through the screw rod 17, the pull ring 26 is continuously pulled to bring the first filter screen plate 13, the second filter screen plate 14 and the third filter screen plate 15 out, then the screw cap 18 is rotated, the third filter screen plate 15, the second filter screen plate 14 and the first filter screen plate 13 are sequentially taken down from the screw rod 17, the first filter screen plate 13, the second filter screen plate 14 and the third filter screen plate 15 are separately cleaned, and the cleaning effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure is characterized by comprising an oil tank (1), wherein a sealing cover (2) is arranged at the top end of the oil tank (1), a bearing plate (7) is fixedly connected inside the oil tank (1), and a first oil outlet hole (8) is formed in the middle of the bearing plate (7); an oil return filter is arranged on the bearing plate (7) inside the oil tank (1), the oil return filter comprises a filter cylinder (9), a second oil outlet hole (10) is formed in the bottom end of the filter cylinder (9), a fixture block (11) is fixedly connected to the bottom end of the filter cylinder (9), and the fixture block (11) is clamped with a clamping groove (12) formed in the top of the bearing plate (7); a first filter screen plate (13), a second filter screen plate (14) and a third filter screen plate (15) are sequentially arranged in the filter cartridge (9) from top to bottom, through holes (16) are formed in two sides of the first filter screen plate (13), the second filter screen plate (14) and the third filter screen plate (15), and the through holes (16) in the first filter screen plate (13), the second filter screen plate (14) and the third filter screen plate (15) are correspondingly arranged; a screw rod (17) penetrates through the through hole (16), and screw caps (18) are spirally sleeved on the screw rod (17) above and below the first filter screen plate (13), the second filter screen plate (14) and the third filter screen plate (15); the top end of the screw rod (17) is fixedly connected with a positioning rod (19), and the positioning rod (19) is clamped with a positioning groove (20) formed in the inner bottom wall of the filter cartridge (9); the top rigid coupling of lead screw (17) has connecting rod (21), and one side rigid coupling of connecting rod (21) has fixed plate (22), and is connected through screw (23) between fixed plate (22) and cartridge filter (9).

2. The multistage oil filtering device with the conveniently-disassembled filter screen structure is characterized in that: an oil inlet pipe joint (3) is arranged at the top end of the sealing cover (2), and an oil inlet pipe (4) is installed on the oil inlet pipe joint (3).

3. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure as claimed in claim 1, wherein: the bottom of oil tank (1) is equipped with oil outlet pipe joint (5), install oil outlet pipe (6) on oil outlet pipe joint (5).

4. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure as claimed in claim 1, wherein: the aperture of the filter holes of the first filter screen plate (13), the second filter screen plate (14) and the third filter screen plate (15) is reduced in sequence.

5. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure as claimed in claim 1, wherein: be equipped with sealing washer (24) between sealed lid (2) and oil tank (1), and pass through fastening bolt (25) fixed connection between sealed lid (2) and oil tank (1).

6. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure as claimed in claim 1, wherein: the screw rod (17) is connected with the through hole (16) in a sliding mode.

7. The multi-stage oil filtering device with the conveniently-disassembled filter screen structure as claimed in claim 1, wherein: the top end of the connecting rod (21) is fixedly connected with a pull ring (26).