CN212535808U

CN212535808U - Centrifugal oil filter

Info

Publication number: CN212535808U
Application number: CN202020846062.5U
Authority: CN
Inventors: 张亚坤; 张文义; 李海威
Original assignee: Henan Pingte Filter Co Ltd
Current assignee: Henan Pingte Filter Co Ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-02-12
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a centrifugal oil cleaner, which comprises an outer shell body, dirty oil pocket and annular clean oil pocket have been seted up on the casing, annular clean oil pocket is located the below of dirty oil pocket, dirty oil intracavity fixed mounting has the filter core, the bottom of filter core is the opening setting, be equipped with the rotor shaft in the filter core, first mounting hole has been seted up on the bottom inner wall of dirty oil pocket, the bottom of rotor shaft extends to in the first mounting hole, the oil feed tank has been seted up to the bottom of rotor shaft, the bottom fixedly connected with of casing advances oil pipe, the top that advances oil pipe extends to in the first mounting hole and contacts with the bottom of rotor shaft, advance oil pipe and be linked together with the oil feed tank, one side fixed mounting of casing has an oil pipe. The utility model relates to a rationally, the practicality is good, and is good to the impurity filter effect in the machine oil, can carry out the layering to the impurity in the machine oil and filter, avoids the impurity dispersion to cause the filtration pore of filter core to block up on the inner wall of filter core, guarantees the normal filtering action of filter core.

Description

Centrifugal oil filter

Technical Field

The utility model relates to a filter technical field specifically is a centrifugal oil cleaner.

Background

The oil filter is used for removing impurities such as dust, metal particles, carbon precipitates, soot particles and the like in engine oil, so that the engine oil reaches certain cleanliness, devices are prevented from being worn, engine parts are protected, the service life of the engine oil is prolonged, the types of the oil filter are various, the centrifugal oil filter is widely used, the centrifugal oil filter is composed of a base, a shell, a filter core, a rotor shaft and a rotor body mechanism, and the rotor body mechanism is sleeved on the rotor shaft and can freely rotate.

However, in the prior art, a common centrifugal oil filter has a poor filtering effect on impurities in engine oil, and the impurity particles in the engine oil are easily dispersed on the inner wall of the filter element, so that the filter holes of the filter element are blocked, and the filtering effect on the engine oil is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a centrifugal oil cleaner has solved the centrifugal oil cleaner commonly used and is not good to the impurity filter effect in the machine oil, and the easy dispersion of foreign particles in the machine oil is on the inner wall of filter core, influences the problem to the filter effect of machine oil.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal oil filter comprises an outer shell, wherein a dirty oil cavity and an annular clean oil cavity are formed in the shell, the annular clean oil cavity is located below the dirty oil cavity, a filter element is fixedly mounted in the dirty oil cavity, the bottom of the filter element is arranged in an opening, a rotor shaft is arranged in the filter element, a first mounting hole is formed in the inner wall of the bottom of the dirty oil cavity, the bottom end of the rotor shaft extends into the first mounting hole, an oil inlet groove is formed in the bottom end of the rotor shaft, an oil inlet pipe is fixedly connected to the bottom of the outer shell, the top end of the oil inlet pipe extends into the first mounting hole and is in contact with the bottom end of the rotor shaft, the oil inlet pipe is communicated with the oil inlet groove, an oil outlet pipe is fixedly mounted on one side of the outer shell and is communicated with the annular clean oil cavity, oil pipelines are fixedly mounted on two sides of the rotor shaft, the two oil pipelines are, the equal fixed mounting of one end that two defeated oil pipes kept away from each other has the shower nozzle, has seted up the second mounting hole on the top inner wall of filter core, and the second mounting hole is run through on the top of rotor shaft, and filter core internal fixation has coarse filtration net, well filter screen and thin filter screen, and well filter screen is located between coarse filtration net and the thin filter screen.

Preferably, a sealing gasket is fixedly mounted at the bottom of the outer shell.

Preferably, two oil unloading holes are formed in the inner wall of the bottom of the dirty oil cavity, and the two oil unloading holes are communicated with the annular clean oil cavity.

Preferably, the fixed cover is equipped with first bearing on the rotor shaft, the outer lane of first bearing and the inner wall fixed connection of second mounting hole, and fixed mounting has first sealing ring on the inner wall of second mounting hole, and the rotor shaft passes through the inner wall rotary seal cooperation of first sealing ring and second mounting hole.

Preferably, the rotor shaft is fixedly sleeved with a second bearing, an outer ring of the second bearing is fixedly connected with the inner wall of the first mounting hole, a second sealing ring is fixedly mounted on the inner wall of the first mounting hole, and the rotor shaft is in rotating sealing fit with the inner wall of the first mounting hole through the second sealing ring.

Preferably, the top of the coarse filter screen, the top of the middle filter screen and the top of the fine filter screen are provided with through holes, and the top end of the rotor shaft penetrates through the three through holes in sequence.

(III) advantageous effects

The utility model provides a centrifugal oil cleaner. The method has the following beneficial effects:

(1) this centrifugal oil cleaner, through advancing oil pipe, machine oil flows into in the oil feed tank, and spray from two shower nozzles, the machine oil that sprays is unrestrained to the inner wall of filter core on, two shower nozzle jetted reaction forces transmit to the rotor shaft on, make the rotor shaft drive two defeated oil pipes and two shower nozzles rotate, utilize the filter core to filter the foreign particle in the machine oil, make foreign particle persist in the filter core, the oil that filters clean sees through the filtration pore of filter core, and through two oil discharge holes inflow annular clear oil intracavity, discharge from going out oil pipe at last.

(2) This centrifugal oil filter, through utilizing the coarse filtration net to block the impurity of great granule in the machine oil, make the impurity granule of great volume deposit the top of staying the coarse filtration net, the filter screen blocks the impurity granule of moderate volume in the machine oil in the utilization, make the impurity granule of moderate volume deposit the top of filter screen in, utilize the granule impurity of small volume in the fine filtration net to the machine oil to block, make the granule impurity of small volume deposit the top of staying the fine filtration net, thereby can avoid the impurity granule distribution of great volume on the inner wall of filter core middle part and lower part, cause the filtration pore jam of filter core, guarantee the normal filtering action of filter core.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. an outer housing; 2. a dirty oil chamber; 3. an annular clear oil cavity; 4. a filter element; 5. a rotor shaft; 6. a first mounting hole; 7. an oil inlet groove; 8. an oil inlet pipe; 9. an oil outlet pipe; 10. an oil delivery pipe; 11. a spray head; 12. a second mounting hole; 13. a coarse filter screen; 14. a middle filter screen; 15. a fine filter screen; 16. a gasket; 17. an oil discharge hole; 18. a first bearing; 19. a first seal 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.

As shown in fig. 1-3, the utility model provides a technical solution: a centrifugal oil filter comprises an outer shell 1, a dirty oil cavity 2 and an annular clean oil cavity 3 are arranged on the outer shell 1, the annular clean oil cavity 3 is positioned below the dirty oil cavity 2, a filter element 4 is fixedly arranged in the dirty oil cavity 2, the bottom of the filter element 4 is arranged in an opening, a rotor shaft 5 is arranged in the filter element 4, a first mounting hole 6 is arranged on the inner wall of the bottom of the dirty oil cavity 2, the bottom end of the rotor shaft 5 extends into the first mounting hole 6, an oil inlet groove 7 is arranged at the bottom end of the rotor shaft 5, an oil inlet pipe 8 is fixedly connected to the bottom of the outer shell 1, the top end of the oil inlet pipe 8 extends into the first mounting hole 6 and contacts with the bottom end of the rotor shaft 5, the oil inlet pipe 8 is communicated with the oil inlet groove 7, an oil outlet pipe 9 is fixedly arranged on one side of the outer shell 1, the oil outlet pipe 9 is communicated with the annular clean oil cavity 3, oil pipelines 10, two defeated oil pipe 10 are the slope setting, two defeated oil pipe 10 all are linked together with oil feed tank 7, the equal fixed mounting of one end that two defeated oil pipe 10 kept away from each other has shower nozzle 11, second mounting hole 12 has been seted up on the top inner wall of filter core 4, second mounting hole 12 is run through on the top of rotor shaft 5, fixed mounting has coarse filtration net 13 in the filter core 4, well filter screen 14 and fine filtration net 15, well filter screen 14 is located between coarse filtration net 13 and the fine filtration net 15.

A sealing gasket 16 is fixedly installed at the bottom of the outer shell 1, two oil discharging holes 17 are formed in the inner wall of the bottom of the sewage cavity 2, the two oil discharging holes 17 are communicated with the annular clean oil cavity 3, a first bearing 18 is fixedly sleeved on the rotor shaft 5, the outer ring of the first bearing 18 is fixedly connected with the inner wall of the second mounting hole 12, a first sealing ring 19 is fixedly installed on the inner wall of the second mounting hole 12, the rotor shaft 5 is in rotating sealing fit with the inner wall of the second mounting hole 12 through the first sealing ring 19, a second bearing is fixedly sleeved on the rotor shaft 5, the outer ring of the second bearing is fixedly connected with the inner wall of the first mounting hole 6, a second sealing ring is fixedly installed on the inner wall of the first mounting hole 6, the rotor shaft 5 is in rotating sealing fit with the inner wall of the first mounting hole 6 through the second sealing ring, through holes are formed in the tops of the coarse filter screen 13, the top end of the rotor shaft 5 penetrates through the three through holes in sequence.

When the oil filter is used, engine oil flows into the oil inlet tank 7 through the oil inlet pipe 8 and then is ejected from the two spray heads 11 through the two oil conveying pipes 10, the ejected engine oil is sprinkled onto the inner wall of the filter element 4, the reaction force ejected by the two spray heads 11 is transmitted onto the rotor shaft 5, so that the rotor shaft 5 drives the two oil conveying pipes 10 and the two spray heads 11 to rotate, impurity particles in the engine oil are filtered by the filter element 4, the impurity particles are left in the filter element 4, the filtered engine oil passes through the filter holes of the filter element 4 and falls onto the inner wall at the bottom of the dirty oil cavity 2, flows into the annular clear oil cavity 3 through the two oil discharge holes 17, is finally discharged from the oil outlet pipe 9, and by sequentially arranging the coarse filter screen 13, the middle filter screen 14 and the fine filter screen 15 from top to bottom in the filter element 4, impurities with larger particles in the engine oil are blocked by the coarse filter screen 13, so that the impurity particles with larger volume are, the medium filter screen 14 is used for blocking the impurity particles with moderate volume in the engine oil, so that the impurity particles with moderate volume are remained above the medium filter screen 14, the fine filter screen 15 is used for blocking the particle impurities with small volume in the engine oil, so that the particle impurities with small volume are remained above the fine filter screen 15, thereby preventing the impurity particles with larger volume from being distributed on the inner walls of the middle part and the lower part of the filter element 4, causing the filter holes of the filter element 4 to be blocked, and ensuring the normal filtering action of the filter element 4.

To sum up, the centrifugal oil filter has the advantages that the engine oil flows into the oil inlet tank 7 through the oil inlet pipe 8 and is sprayed out from the two spray heads 11, the sprayed engine oil is scattered on the inner wall of the filter element 4, the reaction force sprayed by the two spray heads 11 is transmitted to the rotor shaft 5, so that the rotor shaft 5 drives the two oil pipelines 10 and the two spray heads 11 to rotate, the filter element 4 is utilized to filter impurity particles in the engine oil, the impurity particles are reserved in the filter element 4, the filtered engine oil penetrates through the filter holes of the filter element 4 and flows into the annular clear oil cavity 3 through the two oil discharge holes 17, finally the engine oil is discharged from the oil outlet pipe 9, impurities with larger particles in the engine oil are blocked by the coarse filter screen 13, the impurity particles with larger volume are reserved above the coarse filter screen 13, and the impurity particles with moderate volume in the engine oil are blocked by the medium filter screen 14, make the impurity particle of moderate volume to stay in the top of well filter screen 14, utilize fine filter screen 15 to block the particle impurity of small volume in the machine oil, make the particle impurity of small volume stay in the top of fine filter screen 15, thereby can avoid the impurity particle distribution of great volume on the inner wall of filter core 4 middle part and lower part, cause the filtration pore of filter core 4 to block up, guarantee the normal filter action of filter core 4, the utility model relates to a rationally, the practicality is good, and is good to the impurity filter effect in the machine oil, can carry out the layering to impurity in the machine oil and filter, avoids the impurity dispersion to cause the filtration pore of filter core 4 to block up on the inner wall of filter core 4, guarantees the normal filter action of filter core 4.

Claims

1. A centrifugal oil filter comprising an outer casing (1), characterized in that: the oil-water separator is characterized in that a sewage cavity (2) and an annular clear oil cavity (3) are formed in the outer shell (1), the annular clear oil cavity (3) is located below the sewage cavity (2), a filter element (4) is fixedly mounted in the sewage cavity (2), the bottom of the filter element (4) is arranged in an opening mode, a rotor shaft (5) is arranged in the filter element (4), a first mounting hole (6) is formed in the inner wall of the bottom of the sewage cavity (2), the bottom end of the rotor shaft (5) extends into the first mounting hole (6), an oil inlet groove (7) is formed in the bottom end of the rotor shaft (5), an oil inlet pipe (8) is fixedly connected to the bottom of the outer shell (1), the top end of the oil inlet pipe (8) extends into the first mounting hole (6) and is in contact with the bottom end of the rotor shaft (5), the oil inlet pipe (8) is communicated with the oil inlet groove (7), an oil outlet pipe (9) is fixedly mounted on one side of the outer shell, the equal fixed mounting in both sides of rotor shaft (5) has defeated oil pipe (10), two defeated oil pipe (10) all are located filter core (4), two defeated oil pipe (10) are the slope setting, two defeated oil pipe (10) all are linked together with oil feed tank (7), the equal fixed mounting in one end that two defeated oil pipe (10) kept away from each other has shower nozzle (11), second mounting hole (12) have been seted up on the top inner wall of filter core (4), second mounting hole (12) are run through on the top of rotor shaft (5), filter core (4) internal fixation has coarse filtration net (13), well filter screen (14) and fine filtration net (15), well filter screen (14) are located between coarse filtration net (13) and fine filtration net (15).

2. A centrifugal oil filter according to claim 1 wherein: and a sealing gasket (16) is fixedly arranged at the bottom of the outer shell (1).

3. A centrifugal oil filter according to claim 1 wherein: two oil unloading holes (17) are formed in the inner wall of the bottom of the sewage cavity (2), and the two oil unloading holes (17) are communicated with the annular clean oil cavity (3).

4. A centrifugal oil filter according to claim 1 wherein: the rotor shaft (5) is fixedly sleeved with a first bearing (18), the outer ring of the first bearing (18) is fixedly connected with the inner wall of the second mounting hole (12), a first sealing ring (19) is fixedly mounted on the inner wall of the second mounting hole (12), and the rotor shaft (5) is in rotating sealing fit with the inner wall of the second mounting hole (12) through the first sealing ring (19).

5. A centrifugal oil filter according to claim 1 wherein: the rotor shaft (5) is fixedly sleeved with a second bearing, the outer ring of the second bearing is fixedly connected with the inner wall of the first mounting hole (6), a second sealing ring is fixedly mounted on the inner wall of the first mounting hole (6), and the rotor shaft (5) is in rotating sealing fit with the inner wall of the first mounting hole (6) through the second sealing ring.

6. A centrifugal oil filter according to claim 1 wherein: through holes are formed in the tops of the coarse filter screen (13), the middle filter screen (14) and the fine filter screen (15), and the top end of the rotor shaft (5) penetrates through the three through holes in sequence.