CN210599138U

CN210599138U - Engine oil filter

Info

Publication number: CN210599138U
Application number: CN201921196732.7U
Authority: CN
Inventors: 卞学学; 强海
Original assignee: Suzhou Fa St Lubrication Technology Co ltd
Current assignee: Suzhou Fa St Lubrication Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-22
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to an engine oil filter, which comprises a filter shell, an oil inlet is processed on the filter shell, a coarse filter plate, a fine filter plate and a through hole plate are installed on the filter shell, filter paper is arranged above the through hole plate, a first filter screen and a second filter screen are embedded and installed on the fine filter plate, the fine filter plate is connected with a valve seat, the valve seat is connected with a stop block and a connecting rod in a sliding way, the connecting rod is movably connected with the valve seat through a spring, the fine filter plate is processed with an annular groove and a communicating groove, an oil pump is arranged at the upper end of an oil outlet channel, the oil pump is fixedly connected with the upper end of the filter shell, an oil outlet is processed at the lower end of the filter shell, through setting the coarse filter plate, the fine filter plate and the filter paper, three, the external engine oil with pressure is discharged from the second filter screen, so that the accumulation and blockage of the scraps are prevented.

Description

Engine oil filter

Technical Field

The utility model relates to an engine oil filter belongs to engine oil filter technical field.

Background

The engine oil filter is an indispensable part of an automobile, and the quality of the engine oil filter influences the use of the engine. The filter has the following requirements: the filterability is high, and the residues in the oil can be well filtered; the oil permeability is good, and the resistance of the lubricating oil during flowing is small; the mechanical strength is certain, and the pressure difference can be borne; corrosion resistance, ageing resistance, low cost and the like. The filtering precision of the engine oil filter requires that the diameter of the filtered particles is smaller than the clearance of a moving part and the thickness of an oil film, and the equipment with different characteristics should adopt filters with different filtering precisions, which is the key of the normal operation of a lubricating system. In addition, after the filter is subjected to multiple engine oil filtering operations, mechanical scraps may block filtering components, so that the filtering effect of the filter is poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defect, provide an engine oil filter, utilize extra engine oil to clear up the mechanical sweeps on the fine filter plate, prevent that the fine filter plate from being blocked up, carry out the engine oil filtration work better, through setting up the coarse filter plate, fine filter plate and filter paper, the coarse filter plate carries out the filtration processing of great sweeps, first filter screen and second filter screen on the fine filter plate, carry out the second level filtration to engine oil, the through-hole board supports filter paper and carries out the third level filtration, filter paper is under the protection of through-hole board, receive the influence of engine oil impact deformation and reduce, through setting up the disk seat, control oil pump power-on operation, pump engine oil into the oil inlet through the oil storage chamber, in oil pipe and oil outlet, when the oil pressure in ring channel and the logical groove reaches certain degree, the dog will extrude the spring, make oil groove and ring channel put through, the external engine oil with pressure goes out from the second filter screen, washes away the sweeps around the first filter screen, prevents piling up of sweeps and blocks up, makes the filter keep filtering capability, can effectively solve the problem among the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an engine oil filter, includes filter housing, filter housing upper end processing has the oil inlet, the inside fixed mounting of filter housing has coarse filtration board, fine filtration board and through-hole board, the through-hole board top is provided with the filter paper, fine filtration board inlays and installs a plurality of first filter screens and second filter screen, fine filtration board fixedly connected with disk seat, the disk seat processing has a plurality of oil grooves, disk seat sliding connection has dog and connecting rod, the connecting rod passes through spring swing joint with the disk seat, fine filtration board processing has a plurality of ring channels and intercommunication groove, the ring channel is put through the intercommunication groove with going out oil way, it is provided with the oil pump to go out the oil way upper end, oil pump fixed connection is in filter housing's upper end, filter housing lower extreme processing has the oil.

Further, the coarse filter plate, the fine filter plate, the filter paper and the through hole plate are sequentially distributed from top to bottom.

Further, the two annular grooves are communicated through a communicating groove, and the oil groove is positioned above the annular grooves.

Furthermore, a connecting rod is fixedly connected above the stop block, the spring is located above the connecting rod, the spring and the connecting rod are located inside the valve seat, and the surface of the stop block is in smooth contact with the inner surface of the valve seat.

Further, the processing of filter housing has oil outlet, oil feed way, is used for depositing the oil storage chamber of machine oil, oil outlet is located filter housing's left end, oil feed way is located filter housing's right-hand member, the one end fixed connection of oil pump and oil pipe, oil pipe's the other end is installed on filter housing, and oil pipe and oil feed way switch-on, oil feed way lower extreme and oil storage chamber switch-on.

Further, the oil pump is a Xinba brand KS60 model oil pump, the pores of the filter paper are 35-45 micrometers, and the through holes of the coarse filter plate are 90-100 micrometers.

Further, the fine filter plate is provided with a first through groove and a second through groove, the first filter screen is located in the first through groove, the valve seat and the second filter screen are located in the second through groove, and the second filter screen surrounds the first filter screen and is in circular distribution.

The utility model discloses beneficial effect: the utility model relates to an engine oil filter, utilize extra engine oil to clear up the mechanical sweeps on the fine filter, prevent that the fine filter from being stifled die, carry out engine oil filtration work better, through setting up thick filter, fine filter and filter paper, thick filter carries out the filtration treatment of great sweeps, first filter screen and second filter screen on the fine filter, carry out the second level to engine oil and filter paper, through the hole board supports filter paper and carries out the third level and filters, filter paper is under the protection of through-hole board, the influence that receives engine oil impact deformation reduces, through setting up the disk seat, control oil pump power-on operation, pump engine oil into the oil inlet through the oil storage chamber, get into the fine filter through oil pipe and oil outlet, when the oil pressure in ring channel and the through-groove reaches certain degree, the dog will extrude the spring, make oil channel and ring channel switch on, the external engine oil that has pressure will go out from the second filter screen, the waste scraps around the first filter screen are flushed away, so that the accumulation and blockage of the waste scraps are prevented, and the filtering capacity of the filter is kept.

Drawings

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

Fig. 1 is a cross-sectional view of an engine oil filter of the present invention.

Fig. 2 is a perspective view of a fine filter plate in an engine oil filter according to the present invention.

Fig. 3 is a cross-sectional view of a fine filter plate in an engine oil filter according to the present invention.

Fig. 4 is an enlarged schematic view of the engine oil filter of the present invention shown in the area a of fig. 1.

Fig. 5 is a perspective view of a valve seat in an engine oil filter according to the present invention.

Reference numbers in the figures: 1. a filter housing; 2. an oil inlet; 3. a coarse filter plate; 4. a fine filter plate; 5. a first filter screen; 6. a first through groove; 7. a second filter screen; 8. a second through groove; 9. a valve seat; 10. an oil sump; 11. a stopper; 12. a connecting rod; 13. a spring; 14. an annular groove; 15. a communicating groove; 16. an oil outlet channel; 17. an oil pump; 18. an oil pipe; 19. an oil inlet channel; 20. an oil storage chamber; 21. filtering paper; 22. a through hole plate; 23. and an oil outlet.

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 presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-5, an engine oil filter comprises a filter housing 1, an oil inlet 2 is formed at the upper end of the filter housing 1, a coarse filter plate 3, a fine filter plate 4 and a through hole plate 22 are fixedly installed inside the filter housing 1, filter paper 21 is arranged above the through hole plate 22, a plurality of first filter screens 5 and second filter screens 7 are embedded in the fine filter plate 4, a valve seat 9 is fixedly connected with the fine filter plate 4, a plurality of oil grooves 10 are formed in the valve seat 9, a stop block 11 and a connecting rod 12 are slidably connected with the valve seat 9, after external engine oil has certain pressure, the stop block 11 is pushed to move to communicate the oil grooves 10 with an annular groove 14, the connecting rod 12 is movably connected with the valve seat 9 through a spring 13, a plurality of annular grooves 14 and communicating grooves 15 are formed in the fine filter plate 4, the external engine oil enters the annular groove 14 and the communicating grooves 15, the upper end of the oil outlet channel 16 is provided with an oil pump 17, external engine oil can be pumped into the filter, the oil pump 17 is fixedly connected to the upper end of the filter shell 1, the lower end of the filter shell 1 is provided with an oil outlet 23, and an engine oil loop of the engine can flow.

The coarse filter plate 3, the fine filter plate 4, the filter paper 21 and the through hole plate 22 are sequentially distributed from top to bottom, the two annular grooves 14 are communicated through a communicating groove 15, additional engine oil enters the lower part of each valve seat 9, the oil groove 10 is positioned above the annular grooves 14, the connecting rod 12 is fixedly connected above the check block 11, the spring 13 is positioned above the connecting rod 12, the spring 13 and the connecting rod 12 are positioned inside the valve seat 9, the surface of the check block 11 is in smooth contact with the inner surface of the valve seat 9, the pressure loss of the engine oil is reduced, the filter shell 1 is provided with an oil outlet channel 16, an oil inlet channel 19, an oil storage chamber 20 for storing the engine oil, the oil outlet channel 16 is positioned at the left end of the filter shell 1, the oil inlet channel 19 is positioned at the right end of the filter shell 1, the oil pump 17 is fixedly connected with one end of the oil pipe 18, the other end of, oil feed channel 19 lower extreme and the switch-on of oil storage chamber 20, go out oil channel 16, oil pump 17, oil pipe 18, the oil circuit that oil feed channel 19 and oil storage chamber 20 formed, can guarantee the pressure of plus machine oil, guarantee the normal clear up work of piece simultaneously, oil pump 17 is letter ba tablet KS60 model oil pump, accomplish the pump oil work well, the hole of filter paper 21 is between 35 to 45 microns, carry out the filtration of tiny impurity, the through-hole of coarse filter 3 is between 90 to 100 microns, can filter great piece impurity, fine filter 4 processing has first logical groove 6 and second logical groove 8, and first filter screen 5 is located first logical groove 6, valve seat 9 and second filter screen 7 are located second logical groove 8, second filter screen 7 is circular distribution around first filter screen 5, make plus machine oil clear away the piece around first filter screen 5 better.

The utility model discloses the theory of operation: the filter is arranged on an engine, when the engine operates, engine oil circularly moves, can enter a filter shell 1 from an oil inlet 2, filter larger impurities through a coarse filter plate 3 and reach a fine filter plate 4, filter a part of impurities through a first filter screen 5 and a second filter screen 7, pass through the fine filter plate 4 and reach filter paper 21 for filtering treatment, then are discharged through an oil outlet 23, enter the circulating operation of heat dissipation and lubrication of the engine, periodically treat the fine filter plate 4, control an oil pump 17 to electrically operate, move the engine oil from an oil storage chamber 20 to an oil inlet channel 19, pass through an oil pipe 18 and an oil pump 17, and are discharged from an oil outlet channel 16 to an annular groove 14 and a communicating groove 15, when the oil pressure in a plurality of annular grooves 14 and the communicating grooves 15 reaches a certain value, a stop block 11 can be pushed open so that the annular groove 14 is communicated with the oil groove 10, the machine oil that has pressure passes second filter screen 7 from bottom to top, promotes near the piece of first filter screen 5, breaks up the more stable state of piling up of piece, prevents that the piece from constantly piling up, keeps first filter screen 5's filter capacity, simultaneously, also carries out certain replenishment to the machine oil of engine.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. An engine oil filter comprising a filter housing (1), characterized in that: the oil inlet (2) is processed at the upper end of the filter shell (1), a coarse filter plate (3), a fine filter plate (4) and a through hole plate (22) are fixedly mounted inside the filter shell (1), filter paper (21) is arranged above the through hole plate (22), the fine filter plate (4) is embedded with a plurality of first filter screens (5) and second filter screens (7), the fine filter plate (4) is fixedly connected with a valve seat (9), a plurality of oil grooves (10) are processed on the valve seat (9), a stop block (11) and a connecting rod (12) are slidably connected on the valve seat (9), the connecting rod (12) is movably connected with the valve seat (9) through a spring (13), a plurality of annular grooves (14) and communicating grooves (15) are processed on the fine filter plate (4), the annular grooves (14) are communicated with the oil outlet channel (16) through the communicating grooves (15), the oil filter is characterized in that an oil pump (17) is arranged at the upper end of the oil outlet channel (16), the oil pump (17) is fixedly connected to the upper end of the filter shell (1), and an oil outlet (23) is machined at the lower end of the filter shell (1).

2. The engine oil filter of claim 1, wherein: the coarse filter plate (3), the fine filter plate (4), the filter paper (21) and the through hole plate (22) are sequentially distributed from top to bottom.

3. The engine oil filter of claim 1, wherein: the two annular grooves (14) are communicated through a communication groove (15), and the oil groove (10) is positioned above the annular grooves (14).

4. The engine oil filter of claim 1, wherein: the check block is characterized in that a connecting rod (12) is fixedly connected to the upper portion of the check block (11), the spring (13) is located above the connecting rod (12), the spring (13) and the connecting rod (12) are located inside the valve seat (9), and the surface of the check block (11) is in smooth contact with the inner surface of the valve seat (9).

5. The engine oil filter of claim 1, wherein: filter casing (1) processing has oil outlet channel (16), oil feed way (19), is used for depositing oil storage chamber (20) of machine oil, oil outlet channel (16) are located the left end of filter casing (1), oil feed way (19) are located the right-hand member of filter casing (1), the one end fixed connection of oil pump (17) and oil pipe (18), install on filter casing (1) the other end of oil pipe (18), and oil pipe (18) and oil feed way (19) switch-on, oil feed way (19) lower extreme and oil storage chamber (20) switch-on.

6. The engine oil filter of claim 1, wherein: the oil pump (17) is a Xinba brand KS60 model oil pump, the pores of the filter paper (21) are 35 to 45 micrometers, and the through holes of the coarse filter plate (3) are 90 to 100 micrometers.

7. The engine oil filter of claim 1, wherein: thin filter (4) processing has first logical groove (6) and second to lead to groove (8), and first filter screen (5) are arranged in first logical groove (6), disk seat (9) and second filter screen (7) are arranged in second to lead to groove (8), second filter screen (7) encircle first filter screen (5) and are circular distribution.