CN110975378B - Self-cleaning type oil filter - Google Patents

Self-cleaning type oil filter Download PDF

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Publication number
CN110975378B
CN110975378B CN201911327171.4A CN201911327171A CN110975378B CN 110975378 B CN110975378 B CN 110975378B CN 201911327171 A CN201911327171 A CN 201911327171A CN 110975378 B CN110975378 B CN 110975378B
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CN
China
Prior art keywords
cleaning
end cover
filter
cleaning tooth
oil
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Active
Application number
CN201911327171.4A
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Chinese (zh)
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CN110975378A (en
Inventor
汤道富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Mingyuan Auto Parts Co ltd
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Anhui Mingyuan Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201911327171.4A priority Critical patent/CN110975378B/en
Publication of CN110975378A publication Critical patent/CN110975378A/en
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Publication of CN110975378B publication Critical patent/CN110975378B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B01D29/213—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets having a concertina shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means

Abstract

The invention discloses a self-cleaning type oil filter, which comprises an outer shell, a filter element, a bottom plate and a cleaning tooth, wherein the filter element is arranged on the outer shell; the filter element is arranged in the outer shell and is packaged through the bottom plate; the bottom plate is provided with an oil outlet and a plurality of oil inlet holes annularly arranged on the periphery of the oil outlet; the filter element comprises a central tube, filter paper, an upper end cover and a lower end cover; one end of the central tube is communicated with the oil outlet, and a plurality of through holes are distributed on the annular surface of the central tube. According to the invention, the guide rods are distributed in a distributed manner and the cleaning teeth can move up and down, so that the single cleaning tooth can independently move up and down, the surface of the filter paper is cleaned, the problem of blockage of the paper filter element hole is avoided, and the condition that normal filtering work is influenced due to blockage caused by different stress is also avoided.

Description

Self-cleaning type oil filter
Technical Field
The invention relates to the field of filtering equipment, in particular to a self-cleaning type oil filter.
Background
The oil filter is located in the engine lubrication system. The upstream of the engine oil pump is an oil pump, and the downstream of the engine oil pump is various parts needing lubrication in the engine. The oil pan filter has the functions of filtering harmful impurities in the oil from the oil pan, supplying clean oil to the crank shaft, the connecting rod, the cam shaft, the supercharger, the piston ring and other kinematic pairs, and playing roles of lubricating, cooling and cleaning, thereby prolonging the service life of the parts.
Because the oil filter relies on the tiny core hole on the filter paper to intercept and filter harmful impurities in the oil, the harmful impurities can be adhered to the filtering surface of the filter paper after being filtered by the filter paper, so that the core hole of the filter paper is blocked, and the normal work of the filter is influenced.
The prior Chinese patent (No. CN105041418B) discloses a self-cleaning oil filter, which comprises an outer shell, a filter element, a bottom plate and a cleaning ring; the filter element is arranged inside the outer shell; the bottom plate is provided with an oil outlet and an oil inlet hole annularly arranged on the periphery of the oil outlet; the filter element comprises a central tube, filter paper, an upper end cover and a lower end cover; the filter paper is sleeved outside the central tube, and a plurality of longitudinally-arranged corrugated grooves are formed in the periphery of the filter paper; the upper end cover is annularly provided with a conducting hole; the cleaning ring is sleeved on the periphery of the filter paper and is connected with the outer shell through a return spring. The surface of the filter paper is cleaned through the reciprocating motion of the cleaning ring, and the problem of blockage of a hole of the paper filter element is solved. However, when the filter is actually used, the cleaning ring is inclined and clamped due to different impact forces, so that the cleaning effect cannot be achieved, and the normal filtering work is influenced; in addition, long-time scraping and rubbing of the filter paper for cleaning teeth can also influence the service life of the filter paper.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing filter can lead to the cleaning ring to be inclined and clamped because of different impact forces in actual use, not only can not reach the cleaning effect, but also influences the normal filtering work.
In order to solve the technical problems, the invention provides the following technical scheme: comprises an outer shell, a filter element, a bottom plate and a cleaning tooth; the filter element is arranged in the outer shell and is packaged through the bottom plate; the bottom plate is provided with an oil outlet and a plurality of oil inlet holes annularly arranged on the periphery of the oil outlet; the filter element comprises a central tube, filter paper, an upper end cover and a lower end cover; one end of the central tube is communicated with the oil outlet, and a plurality of through holes are distributed on the ring surface of the central tube; the upper end cover and the lower end cover are respectively positioned at two ends of the filter paper and are used for fixing the filter paper and the central tube; the filter paper is sleeved outside the central tube, and a plurality of longitudinally-arranged corrugated grooves are formed between the periphery of the filter paper and the outer shell; guide rods which are vertically arranged are arranged in the fold grooves, and the lower ends of the guide rods are fixed on the lower end cover; the guide bar is provided with the clean tooth that matches with fold recess size, the clearance clean the teeth and can reciprocate and through guiding hole and the guide bar cooperation in its middle part, the clearance clean the teeth and be provided with reset spring between the lower end cover. Arrange the guide bar through the dispersion and can reciprocate clearly to clean for single clear cleaning can independently reciprocate, realized to filter paper surface cleaning, avoided the jam problem in paper filter core hole, and still avoided the atress variation in size to lead to the card to die and influence normal filtering work's situation.
As a further scheme of the invention: the upper end cover is located at one end close to the bottom plate, conducting holes with the quantity consistent with that of the oil inlet holes are annularly arranged on the periphery of the central tube on the upper end cover, and the conducting holes are sequentially communicated with the oil inlet holes one by one.
As a still further scheme of the invention: the cleaning teeth comprise cleaning tooth main bodies, the cleaning tooth main bodies are fan-shaped, arc surfaces of the cleaning tooth main bodies are matched with the outer shell, and two side surfaces of the cleaning tooth main bodies are hinged with scraping plates capable of swinging up and down.
As a still further scheme of the invention: the both sides face that cleans the teeth all is provided with parallel arrangement's overhead gage and lower baffle, constitute the mounting groove of installation scraper blade between overhead gage and the lower baffle. Through the swing range of restriction scraper blade, make it not only can hang the great impurity except that filter paper when reciprocating motion, but also can carry out the slant to filter paper and erode through the machine oil flow direction of change here, further improve clean effect.
As a still further scheme of the invention: the lower part of the upper baffle is provided with an inclined plane which inclines upwards, and the upper part of the lower baffle is provided with an inclined plane which inclines downwards.
As a still further scheme of the invention: the included angle between the inclined surfaces is 10-15 degrees.
As a still further scheme of the invention: clear main part lower extreme integrated into one piece that cleans the teeth has the water conservancy diversion piece, be provided with on the water conservancy diversion piece equally with guide bar complex guiding hole, the water conservancy diversion piece is located clear main part lower extreme middle part that cleans the teeth and forms the water conservancy diversion face to its tip department rounding off in clean tooth main part both sides. The diversion effect is enhanced, so that the engine oil can wash the two sides and the included angle of the filter paper.
As a still further scheme of the invention: the baffle upper end periphery is provided with annular baffle down, there is the clearance that supplies impurity to fall between annular baffle and the shell body inner wall, the space between baffle, annular baffle and the shell body constitutes the collection chamber of collecting impurity down. The scraped impurities can be precipitated and collected, and the situation that the collected impurities are wound by turbulent flow to cause secondary pollution can be reduced as much as possible.
As a still further scheme of the invention: the annular guide plate is arranged obliquely downwards.
Compared with the prior art, the invention has the beneficial effects that: 1. arrange the guide bar through the dispersion and can reciprocate clearly to clean for single clear cleaning can independently reciprocate, realized to filter paper surface cleaning, avoided the jam problem in paper filter core hole, and still avoided the atress variation in size to lead to the card to die and influence normal filtering work's situation.
2. Through the swing setting of scraper blade, make it not only can hang the great impurity except that filter paper when reciprocating motion, but also can carry out the slant to filter paper and erode through the machine oil flow direction of change through here, further improve clean effect.
3. Can deposit the impurity after will scraping out and collect, but also can reduce the impurity of collecting as far as possible and curl up the condition of secondary pollution by the vortex.
Drawings
FIG. 1 is a schematic structural diagram of a self-cleaning oil filter in the first embodiment.
FIG. 2 is a schematic top view of a self-cleaning oil filter (with the bottom plate and the top cover removed) according to an embodiment.
FIG. 3 is a schematic view of a cleaning tooth according to an embodiment.
Fig. 4 is a sectional view taken along the line a-a in fig. 3.
FIG. 5 is a schematic view of another perspective of the cleaning teeth according to the first embodiment.
In the figure: 1-outer shell, 2-bottom plate, 21-oil inlet, 22-oil outlet, 3-upper end cover, 4-lower end cover, 41-annular guide plate, 42-collection cavity, 5-center tube, 6-filter paper, 7-cleaning tooth, 71-cleaning tooth, 711-cleaning tooth main body, 712-side plate, 713-guide hole, 714-upper baffle, 715-lower baffle, 716-mounting groove, 717-scraper, 718-guide block, 72-guide rod and 73-reset spring.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a self-cleaning oil filter includes an outer casing 1, a filter element, a bottom plate 2 and cleaning teeth 7; the filter element is arranged in the outer shell 1 and is packaged through the bottom plate 2; the bottom plate 2 is provided with an oil outlet 22 and a plurality of oil inlet holes 21 annularly arranged on the periphery of the oil outlet 22; the filter element comprises a central tube 5, filter paper 6, an upper end cover 3 and a lower end cover 4; one end of the central tube 5 is communicated with the oil outlet 22, and a plurality of through holes are distributed on the ring surface of the central tube 5; the upper end cover 3 and the lower end cover 4 are respectively positioned at two ends of the filter paper 6 and are used for fixing the filter paper 6 and the central tube 5; the filter paper 6 is sleeved outside the central tube 5, and a plurality of longitudinally-arranged corrugated grooves are formed between the periphery of the filter paper 6 and the outer shell 1; the fold grooves are internally provided with guide rods 72 which are vertically arranged, and the lower ends of the guide rods 72 are fixed on the lower end cover 4; the guide rod 72 is provided with a cleaning tooth 71 matched with the size of the wrinkle groove, the cleaning tooth 71 can move up and down and is matched with the guide rod 72 through a guide hole 713 in the middle of the cleaning tooth, and a return spring 73 is arranged between the cleaning tooth 7 and the lower end cover 4.
The working principle of the invention is as follows: when the oil-filled cleaning device is used, when oil flows into the outer shell 1 from the oil inlet 21, the oil flows along the corrugated groove, the end face of the cleaning tooth 71 positioned in the groove moves downwards under the pressure of the oil, and the return spring 73 is deformed; when the oil injection is stopped, the pressure on the cleaning teeth 7 disappears, and the cleaning teeth 7 move upwards under the pushing of the return spring 73.
Arrange the guide bar 72 through the dispersion and can reciprocate clear 7 that cleans the teeth for a list is cleaned the teeth 7 and can independently reciprocate, realized 6 surface cleaning to filter paper, avoided the jam problem in paper filter core hole, and still avoided the atress variation in size to lead to the card to die and influence normal filtering work's situation.
Example two:
the cleaning tooth 7 comprises a cleaning tooth body 711, the cleaning tooth body 711 is fan-shaped, the arc surface of the cleaning tooth body 711 is matched with the outer shell 1, and two side surfaces of the cleaning tooth body 711 are hinged with the scraping plates 717 capable of swinging up and down through hinges; an upper baffle 714 and a lower baffle 715 which are arranged in parallel are integrally formed on two side surfaces of the cleaning tooth 7, and an installation groove 716 for installing a scraping plate 717 is formed between the upper baffle 714 and the lower baffle 715; the lower part of the upper baffle 714 is provided with an inclined plane which inclines upwards, the upper part of the lower baffle 715 is provided with an inclined plane which inclines downwards, and the included angle between the two inclined planes is 15 degrees; by limiting the swing range of the scraper 717, not only can large impurities other than the filter paper 6 be caught during the reciprocating movement, but also the filter paper 6 can be obliquely washed away by changing the flow direction of the engine oil passing through the scraper, thereby further improving the cleaning effect. Meanwhile, the scraper 717 swinging up and down can flexibly avoid the filter paper 6, so that the clamping is avoided.
The cleaning tooth main body 711 is integrally formed at the lower end thereof with a flow guide block 718, the flow guide block 718 is also provided with a guide hole 713 matched with the guide rod 72, and the flow guide block 718 is located at the middle of the lower end of the cleaning tooth main body 711 and smoothly transits to the tip ends of the cleaning tooth main body 711 at both sides thereof to form a flow guide surface. The reinforcing water conservancy diversion effect for machine oil can erode 6 two sides of filter paper and contained angle department, and especially filter paper contained angle department, current scraper blade is difficult for striking off impurity to it, and guide machine oil through the water conservancy diversion face to erode and can get rid of the impurity of most filter paper contained angle department.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. A self-cleaning type oil filter is characterized by comprising an outer shell, a filter element, a bottom plate and a cleaning tooth; the filter element is arranged in the outer shell and is packaged through the bottom plate; the bottom plate is provided with an oil outlet and a plurality of oil inlet holes annularly arranged on the periphery of the oil outlet; the filter element comprises a central tube, filter paper, an upper end cover and a lower end cover; one end of the central tube is communicated with the oil outlet, and a plurality of through holes are distributed on the ring surface of the central tube; the upper end cover and the lower end cover are respectively positioned at two ends of the filter paper and are used for fixing the filter paper and the central tube; the filter paper is sleeved outside the central tube, and a plurality of longitudinally-arranged corrugated grooves are formed between the periphery of the filter paper and the outer shell; guide rods which are vertically arranged are arranged in the fold grooves, and the lower ends of the guide rods are fixed on the lower end cover; the cleaning tooth is arranged on the guide rod and matched with the fold groove in size, the cleaning tooth can move up and down and is matched with the guide rod through a guide hole in the middle of the cleaning tooth, and a return spring is arranged between the cleaning tooth and the lower end cover; the upper end cover is positioned at one end close to the bottom plate, conducting holes with the number consistent with that of the oil inlet holes are annularly arranged on the periphery of the central tube on the upper end cover, and the conducting holes are sequentially communicated with the oil inlet holes one by one; the cleaning teeth comprise cleaning tooth main bodies, the cleaning tooth main bodies are fan-shaped, arc surfaces of the cleaning tooth main bodies are matched with the outer shell, and scraping plates capable of swinging up and down are hinged to two side surfaces of the cleaning tooth main bodies; the both sides face that cleans the teeth all is provided with parallel arrangement's overhead gage and lower baffle, constitute the mounting groove of installation scraper blade between overhead gage and the lower baffle.
2. A self-cleaning oil filter according to claim 1 wherein the lower portion of the upper baffle is provided with an upwardly inclined surface and the upper portion of the lower baffle is provided with a downwardly inclined surface.
3. A self-cleaning oil filter according to claim 2 wherein the angle between the inclined surfaces is from 10 ° to 15 °.
4. The self-cleaning oil filter of claim 3 wherein the lower end of the cleaning tooth body is integrally formed with a flow guide block, the flow guide block is also provided with a guide hole matched with the guide rod, and the flow guide block is positioned in the middle of the lower end of the cleaning tooth body and forms a flow guide surface towards the tip ends of the two sides of the cleaning tooth body in a smooth transition manner.
CN201911327171.4A 2019-12-20 2019-12-20 Self-cleaning type oil filter Active CN110975378B (en)

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Application Number Priority Date Filing Date Title
CN201911327171.4A CN110975378B (en) 2019-12-20 2019-12-20 Self-cleaning type oil filter

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Application Number Priority Date Filing Date Title
CN201911327171.4A CN110975378B (en) 2019-12-20 2019-12-20 Self-cleaning type oil filter

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CN110975378A CN110975378A (en) 2020-04-10
CN110975378B true CN110975378B (en) 2021-09-03

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CN111663980B (en) * 2020-06-09 2020-12-29 深圳市创裕达电子有限公司 Intelligent filter element
CN111997892A (en) * 2020-07-22 2020-11-27 安徽金力泵业科技有限公司 Oil absorption anti-blocking structure of automobile electric pump
CN111980778A (en) * 2020-09-21 2020-11-24 滁州市共赢汽车配件有限公司 Oil filter for automobile assembly
CN112957831B (en) * 2021-02-25 2022-07-29 山东达洁过滤器有限公司 Degerming air-purifying filter
CN112999727B (en) * 2021-03-03 2022-08-23 睢县龙升新材料有限公司 Double-cylinder type filtering system for treating papermaking sewage
CN115370445A (en) * 2022-10-06 2022-11-22 郑州筹艮汽车配件有限公司 Automobile oil filter

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Publication number Priority date Publication date Assignee Title
US20050161392A1 (en) * 2002-05-15 2005-07-28 Duby Sean R. Displacement filter apparatus and method
CN105201588A (en) * 2015-10-29 2015-12-30 正崴为升传感系统（芜湖）有限公司 Engine oil filter unit
CN106870065A (en) * 2017-03-31 2017-06-20 蚌埠市风驰滤清器有限公司 A kind of high life oil filter
CN105041418B (en) * 2015-07-30 2017-08-29 蚌埠市风驰滤清器有限公司 A kind of self-cleaning oil filter
CN108187390A (en) * 2018-01-04 2018-06-22 南京工业大学 Strengthen backwash filter
CN209679624U (en) * 2019-01-21 2019-11-26 新乡市华航航空液压设备有限公司 A kind of online decontamination line gap filter structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050161392A1 (en) * 2002-05-15 2005-07-28 Duby Sean R. Displacement filter apparatus and method
CN105041418B (en) * 2015-07-30 2017-08-29 蚌埠市风驰滤清器有限公司 A kind of self-cleaning oil filter
CN105201588A (en) * 2015-10-29 2015-12-30 正崴为升传感系统（芜湖）有限公司 Engine oil filter unit
CN106870065A (en) * 2017-03-31 2017-06-20 蚌埠市风驰滤清器有限公司 A kind of high life oil filter
CN108187390A (en) * 2018-01-04 2018-06-22 南京工业大学 Strengthen backwash filter
CN209679624U (en) * 2019-01-21 2019-11-26 新乡市华航航空液压设备有限公司 A kind of online decontamination line gap filter structure

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