CN104454079A - Centrifugal leak-proof fine filter for engine oil and engine with centrifugal leak-proof fine filter for engine oil - Google Patents

Centrifugal leak-proof fine filter for engine oil and engine with centrifugal leak-proof fine filter for engine oil Download PDF

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Publication number
CN104454079A
CN104454079A CN201410676732.2A CN201410676732A CN104454079A CN 104454079 A CN104454079 A CN 104454079A CN 201410676732 A CN201410676732 A CN 201410676732A CN 104454079 A CN104454079 A CN 104454079A
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China
Prior art keywords
oil
secondary filter
centrifugal
leak
fine filter
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CN201410676732.2A
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CN104454079B (en
Inventor
殷贵良
刘贤林
雷菊
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Guangdong Longxin Locomotive Co., Ltd.
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Chongqing Longxin Engine Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means

Abstract

The invention discloses a centrifugal leak-proof fine filter for engine oil and an engine with the centrifugal leak-proof fine filter for the engine oil. The centrifugal leak-proof fine filter comprises a fine filter installation base and a sealing cover, wherein the fine filter installation base is used for being installed at the end of a crankshaft and fixedly matched with the end of the crankshaft in the circumferential direction, and a fine filter cavity is formed by the sealing cover and the fine filter installation base jointly. A centrifugal separating plate is located in the fine filter cavity and connected with the fine filter installation base in a sealed mode in the circumferential direction. The sealing cover is provided with an oil inlet pipe joint, and the oil inlet pipe joint penetrates into an oil outlet channel of a crank case cover in a rotary-fit and sealed-communication mode. By means of the centrifugal leak-proof fine filter, all the advantages of an existing fine filter are kept; the structure that the oil inlet pipe joint is matched with the oil outlet channel of the crank case cover is adopted, existing end face sealing is changed into axial sealing, the machining manufacturability is good, lubricating oil leakage caused by plane machining errors is avoided, and lubricating oil leakage is accordingly avoided in the separating purification process; in addition, the machining technology is simplified, and normal running of the engine is guaranteed.

Description

The centrifugal anti-leak secondary filter of machine oil and motor thereof
Technical field
The present invention relates to a kind of engine accessory parts and motor thereof, particularly a kind of lubrication oil filtration equipment and motor thereof.
Background technique
Centrifugal fine filter be motor for purifying lubricant oil, ensure the visual plant that each friction pair normally runs.Centrifugal fine filter is generally rotated by the rotating drive centrifugal fine filter of bent axle and utilize the centrifugal force cleaning lubricant oil of centrifugal flow guiding parts, and effect is comparatively obvious.Centrifugal fine filter generally comprises housing and is positioned at the centrifugal flow guiding parts of housing, lubricant oil to enter after in housing by centrifugal action along centrifugal flow guiding part mobile, the solid particle that density is large is positioned at the distalmost end of centrifugal diameter, by paracentral be namely clean lubricant oil.
In prior art, in order to still there is good isolation of purified effect when ensureing low speed, adopt overall centrifugation plate structure, larger separation centrifugal force is produced when rotating, still there is good centrifugal filtration ability under lower speed conditions, and there is relatively little radial dimension, save installing space, convenient installation, dismounting and cleaning.But, because cooperation dynamic on the sealing cover of secondary filter is provided with oily siphunculus, and this oily siphunculus utilizes spring compression and crankcase cover end face gluing, sealing, sealing structure is higher to end face requirement on machining accuracy, if planeness does not reach requirement, then can cause the leakage of lubricant oil, thus cause the lubrication of lubricant housings abundant not, and occur accident.
Therefore, need to improve existing centrifugal fine filter, not only there is when the slow-speed of revolution good centrifugal filtration effect, there is relatively little radial dimension, save installing space, in isolation of purified process, also avoid the leakage of lubricant oil, and simplified processing process, ensure the normal operation of motor.
Summary of the invention
In view of this, the invention provides the centrifugal anti-leak secondary filter of a kind of machine oil and motor thereof, not only there is when the slow-speed of revolution good centrifugal filtration effect, there is relatively little radial dimension, save installing space, in isolation of purified process, also avoid the leakage of lubricant oil, and simplified processing process, ensure the normal operation of motor.
The centrifugal anti-leak secondary filter of machine oil of the present invention, comprise for being installed on crankshaft end and its secondary filter fitting seat in circumferencial direction secure fit and for jointly forming the sealing cover in secondary filter chamber with secondary filter fitting seat, be positioned at secondary filter chamber and secondary filter fitting seat to be tightly connected at circumferencial direction and to be provided with centrifugation plate, sealing cover is provided with oil-feed tube coupling, and this oil-feed tube coupling is to be rotatably assorted and to seal the oil road that the mode be communicated with gos deep into crankcase cover; Described secondary filter fitting seat is coated on the thin axle of crankshaft end formation by spline drived cooperation, and on thin axle, screw-thread fit is provided with the locking nut tightened by secondary filter fitting seat; Adopt overall centrifugation plate structure, avoid because prior art is coated at the less problem of the centrifugal radius of ring structure of bent axle, without the need to being installed on bent axle, whole separating plate has larger centrifugal radius, thus produce larger separation centrifugal force when rotating, still there is good centrifugal filtration ability under lower speed conditions; In the present invention, the matching gap between oil-feed tube coupling and this oil road should be as far as possible little, not affect being rotatably assorted and not leaking lubricant oil and be as the criterion of the two; The auxiliary seal modes such as O type circle, filler can be adopted, also directly can coordinate the mode of matching gap controlled well; This fit system is with existing oily through-pipe structure and rely on compared with stage clip fits with crankcase cover, avoids and causes oil leak problem because part processing plane degree difference.
Further, sealing cover and oil-feed tube coupling is one-body molded and by impact briquetting, structure is simple, and easily shaping, impact briquetting generally adopts steel as shaping material, reduces holistic cost.
Further, described oil-feed tube coupling stretches into the length of the oil road of crankcase cover is 5mm ~ 6.5mm; This built-in length scope ensure that the excellent sealing between oil road and oil-feed tube coupling, thus stops the leakage of lubricant oil.
Further, described oil-feed tube coupling periphery forms the shaft shoulder, and this shaft shoulder withstands the exit end face of the oil road of crankcase cover; Because sealing cover is itself by steel impact briquetting, have certain elasticity, have less pretightening force after withstanding, this end face coordinates the sealing of auxiliary whole oil circuit, stops further to leak.
Further, secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by described centrifugation plate, described centrifugation plate has the oil-through hole being communicated with front smart filter chamber and rear smart filter chamber, described front secondary filter chamber is communicated with the oil road of crankcase cover, and rear smart filter chamber is communicated with the oil inlet hole on bent axle; The size of oil-through hole is as the criterion to make smooth and easy the flowing through of lubricant oil, and in centrifugal filtration process, impurity, and to be separated with the lubricant oil of flowing in secondary filter chamber radially outer edge relatively by centrifugal force Direct precipitation, ensures the cleaning of lubricant oil; And in prior art, for the gap formed between the edge and housing of centrifugation plate by the passage of lubricant oil, and according to the work principle of filter of secondary filter, impurity also can accumulate in edge by the effect of centrifugal force, block up again after making lubricant oil and magazins' layout and converge, continue to be separated in secondary centrifuging (centrifugation plate inner surface), impurity is endless gather collect and with lubricant oil common-use tunnel, cause making isolation of purified effect be deteriorated gradually along with the prolongation of life cycle; Structure of the present invention then solves the problems referred to above well, oil-through hole not only makes the join strength of centrifugation plate improve, in isolation of purified process, also avoid again collecting of lubricant oil and impurity, there is better separating effect, and along with the prolongation of life cycle, the impact that separating effect is not poor.
Further, the equal setpoint distance of radially outward edge and center of described oil-through hole distance heart separating plate; Distance radially outward edge setpoint distance is that the impurity avoiding gathering is flowed by oil-through hole, to ensure the cleaning of oil product, simultaneously, avoid lubricant oil directly not flowed by oil-through hole through centrifugation and take away impurity with the center setpoint distance of oil-through hole distance heart separating plate, the distance of setting can make impurity accelerate to edge precipitation, thus forms preliminary isolation of purified when lubricant oil enters oil-through hole.
Further, described oil-through hole is multiplely along the circumferential direction to be uniformly distributed; Ensure the balance of centrifugation plate, meanwhile, there is enough large grease channel.
Further, described centrifugation plate is the cone structure expanded gradually to sealing cover direction, and oil-through hole is located at the conical surface of cone structure; Oil-through hole is arranged at the conical surface, promotes by forming certain centrifugal component lubricant oil, accelerates passing through of lubricant oil in oil-through hole, and ensures separating effect.
Further, the conical top of centrifugation plate is that plane forms taper type disk-like structure; This structure is beneficial to the axial dimension reducing secondary filter, meanwhile, can form radial centrifugal force completely at the filtration initial stage, increases the separation effect between impurity and lubricant oil, is beneficial to and realizes good purification separation in the conical surface separation process in later stage.
Further, described oil-through hole is positioned at the 1/4-1/2 place of centrifugation plate apart from taper type disk-like structure top; This parameter area can make the impurity being collected in edge be not easy to be mixed into lubricant oil runner, keeps the cleaning of oil product, and is beneficial to impurity and under centrifugal action, crosses oil-through hole be deposited on edge.
Further, the inner chamber of described secondary filter fitting seat is the bell mouth shape adapted with centrifugation plate shape, and described centrifugation plate radially outward edge forms the annular edge of a wing, and this annular edge of a wing sealing pressing is combined between sealing cover and secondary filter fitting seat; Secondary filter fitting seat adopts bell mouth shape, is beneficial to and increases radial dimension in limited space, thus relatively increases the radial dimension of centrifugation plate, increases the centrifugation ability during slow-speed of revolution; As shown in the figure, the annular edge of a wing is pressed together between secondary filter fitting seat radial edges and sealing cover by sealing gasket, not only has the intensity of good join strength and guarantee centrifugation plate itself, also makes structural integrity strong, simply compact.
Further, the tapering 20 ° ~ 60 ° of the conical surface of described centrifugation plate; The centrifugation plate reasonable distribution of this tapering along conical surface direction and perpendicular to the centrifugal component in conical surface direction, avoid impurity to enter oil duct as far as possible, meanwhile, be also beneficial to lubricant oil smooth and easy by oil-through hole under rational centrifugal force, improve separation effect.
The invention also discloses a kind of motor, described motor is provided with the centrifugal anti-leak secondary filter of described machine oil.
Beneficial effect of the present invention: the centrifugal anti-leak secondary filter of machine oil of the present invention and motor thereof, adopt overall centrifugation plate structure, maintain all advantages that existing secondary filter has, namely the integrity of bent axle is ensured, processability and bulk strength, whole separating plate has larger centrifugal radius, thus larger separation centrifugal force is produced when rotating, still there is good centrifugal filtration ability under lower speed conditions, simultaneously, as the structure adopting oil-feed side, existing side fuel-displaced, then avoid turnover oil straight-through, increase the efficiency of centrifugal filtration, be installed on motor and there is when the slow-speed of revolution good centrifugal filtration effect, and there is relatively little radial dimension, save installing space, convenient installation, dismounting and cleaning, the motor being applicable to the roadsters such as motorcycle uses, importantly adopt the structure that oil-feed tube coupling matches with crankcase cover oil road, existing end face seal is changed into and is mainly axial seal, technology capability is better, avoid the oil leak that plane machining error causes, thus in isolation of purified process, avoid the leakage of lubricant oil, and simplified processing process, ensure the normal operation of motor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is sectional view of the present invention;
Fig. 2 is secondary filter fitting seat end view.
Embodiment
Fig. 1 is sectional view of the present invention, Fig. 2 is secondary filter fitting seat end view, as shown in the figure: the centrifugal anti-leak secondary filter of machine oil of the present embodiment, comprise for being installed on crankshaft end and its secondary filter fitting seat 1 in circumferencial direction secure fit and for jointly forming the sealing cover 4 in secondary filter chamber with secondary filter fitting seat 1, be positioned at secondary filter chamber and secondary filter fitting seat 1 to be tightly connected at circumferencial direction and to be provided with centrifugation plate 3, sealing cover 4 passes through impact briquetting, sealing cover 4 is one-body molded with oil-feed tube coupling 6, this oil-feed tube coupling 6 is to be rotatably assorted and to seal the oil road 8 that the mode be communicated with gos deep into crankcase cover 7, and the matching gap between oil-feed tube coupling 6 and this oil road 8 should be as far as possible little, not affect being rotatably assorted and not leaking lubricant oil and be as the criterion of the two, the auxiliary seal modes such as O type circle, filler can be adopted, this fit system is with existing oily through-pipe structure and rely on compared with stage clip fits with crankcase cover 7, avoids and causes oil leak problem because part processing plane degree difference, as shown in the figure, described secondary filter fitting seat 1 is coated on the thin axle 12 of crankshaft end formation by spline drived cooperation, and on thin axle 12, screw-thread fit is provided with the locking nut 11 tightened by secondary filter fitting seat 1, adopt overall centrifugation plate 3 structure, avoid because prior art is coated at the less problem of the centrifugal radius of ring structure of bent axle, without the need to being installed on bent axle, whole separating plate has larger centrifugal radius, thus produce larger separation centrifugal force when rotating, still there is good centrifugal filtration ability under lower speed conditions.
In the present embodiment, the length that oil-feed tube coupling 6 stretches into the oil road 8 of crankcase cover 7 is 5mm ~ 6.5mm, and the present embodiment adopts 6mm, chooses suitable numerical value according to oil mass size within the scope of this; This built-in length scope ensure that the excellent sealing between oil road 8 and oil-feed tube coupling 6, thus stops the leakage of lubricant oil.
In the present embodiment, described oil-feed tube coupling 6 periphery forms the shaft shoulder 5, and this shaft shoulder 5 withstands the exit end face of the oil road 8 of crankcase cover 7; Because sealing cover 4 is itself by steel impact briquetting, have certain elasticity, have less pretightening force after withstanding, this end face coordinates the sealing of auxiliary whole oil circuit, stops further to leak.
In the present embodiment, secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by described centrifugation plate 3, described centrifugation plate 3 has the oil-through hole 9 being communicated with front smart filter chamber 10 and rear smart filter chamber 2, described front secondary filter chamber 10 is communicated with the oil road 8 of crankcase cover 7, rear smart filter chamber 2 is communicated with the oil inlet hole on bent axle, is lubricant oil trend in figure shown in arrow; The size of oil-through hole 9 is as the criterion to make smooth and easy the flowing through of lubricant oil, and in centrifugal filtration process, impurity, and to be separated with the lubricant oil of flowing in secondary filter chamber radially outer edge relatively by centrifugal force Direct precipitation, ensures the cleaning of lubricant oil; And in prior art, for the gap formed between the edge and housing of centrifugation plate by the passage of lubricant oil, and according to the work principle of filter of secondary filter, impurity also can accumulate in edge by the effect of centrifugal force, block up again after making lubricant oil and magazins' layout and converge, continue to be separated in secondary centrifuging (centrifugation plate inner surface), impurity is endless gather collect and with lubricant oil common-use tunnel, cause making isolation of purified effect be deteriorated gradually along with the prolongation of life cycle; Structure of the present invention then solves the problems referred to above well, oil-through hole not only makes the join strength of centrifugation plate improve, in isolation of purified process, also avoid again collecting of lubricant oil and impurity, there is better separating effect, and along with the prolongation of life cycle, the impact that separating effect is not poor.
In the present embodiment, described oil-through hole 9 is apart from the equal setpoint distance of radially outward edge and center of heart separating plate 3; Distance radially outward edge setpoint distance is that the impurity avoiding gathering is flowed by oil-through hole, to ensure the cleaning of oil product, simultaneously, avoid lubricant oil directly not flowed by oil-through hole through centrifugation and take away impurity with the center setpoint distance of oil-through hole distance heart separating plate, the distance of setting can make impurity accelerate to edge precipitation, thus forms preliminary isolation of purified when lubricant oil enters oil-through hole.
In the present embodiment, described oil-through hole 9 is along the circumferential direction uniformly distributed for multiple; General employing two, three or four can realize goal of the invention preferably, ensure the balance of centrifugation plate, meanwhile, there is enough large grease channel.
In the present embodiment, described centrifugation plate 3 is the cone structure expanded gradually to sealing cover 4 direction, and oil-through hole 9 is located at the conical surface of cone structure; Oil-through hole 9 is arranged at the conical surface, promotes by forming certain centrifugal component lubricant oil, accelerates passing through of lubricant oil in oil-through hole, and ensures separating effect.
In the present embodiment, the conical top of centrifugation plate 3 is that plane forms taper type disk-like structure; This structure is beneficial to the axial dimension reducing secondary filter, meanwhile, can form radial centrifugal force completely at the filtration initial stage, increases the separation effect between impurity and lubricant oil, is beneficial to and realizes good purification separation in the conical surface separation process in later stage.
In the present embodiment, described oil-through hole 9 is positioned at the 1/4-1/2 place of centrifugation plate 3 apart from taper type disk-like structure top; This parameter area can make the impurity being collected in edge be not easy to be mixed into lubricant oil runner, keeps the cleaning of oil product, and is beneficial to impurity and under centrifugal action, crosses oil-through hole be deposited on edge; In the present embodiment, described oil-through hole is positioned at separating plate apart from 1/3 place at taper type disk-like structure top, speed when this position can ensure that lubricant oil passes through oil-through hole, avoids too fast by order to avoid be mingled with impurity, and is beneficial to the centrifugation ensureing impurity.
In the present embodiment, the inner chamber of described secondary filter fitting seat 1 is the bell mouth shape adapted with centrifugation plate 3 shape, and described centrifugation plate 3 radially outward edge forms the annular edge of a wing, and this annular edge of a wing sealing pressing is combined between sealing cover 4 and secondary filter fitting seat 1; Certainly, the annular edge of a wing is provided with the screw via hole connected for pressing; The described annular edge of a wing has radially inside extension section; Be beneficial to and increase radial dimension in limited space, thus relatively increase the radial dimension of separating plate, increase the centrifugation ability during slow-speed of revolution; As shown in the figure, the annular edge of a wing is pressed together between secondary filter fitting seat 1 radial edges and sealing cover 4 by seal ring, not only has the intensity of good join strength and guarantee separating plate itself, also makes structural integrity strong, simply compact; The annular edge of a wing has radially inside extension section, and this extension section forms radial centrifugal force completely after impurity centrifugation, thus ensures that impurity can not reflux; As shown in the figure, the outer rim on the annular edge of a wing is also along the circumferential direction distributed with radial groove, sealing cover 4 has the fixed claw for coordinating with radial groove, after assembling, this fixed claw is forced bending axis to the annular edge of a wing of locking, this structure is applicable to being tightly connected between the separating plate of finite thickness and sealing cover, ensures join strength.
Secondary filter fitting seat 1 adopts bell mouth shape, be beneficial to and increase radial dimension in limited space, thus relatively increase the radial dimension of centrifugation plate, increase the centrifugation ability during slow-speed of revolution, make full use of the feature that secondary filter is positioned at crankshaft end, adopt simple pressing structure can realize the installation of centrifugation plate, be convenient to dismounting and change, be also convenient to secondary filter cleaning; Bell-mouth structure of air is more conducive to the curve trend of centrifugation, impurity (filter residue) can be flowed to edge, avoid entering bent axle oil inlet hole and cause secondary pollution; In the present embodiment, the sealing surface on the described annular edge of a wing forms annular surface, and the cross section of annular surface is the flute profile seamlessly transitted; Annular surface is similar to the waterline of seal face, can place seal ring (as O type circle) in this annular surface, and after pressing, seal ring forms sealing, and annular surface deformable forms pretightening force, strengthens sealing effect; Sealing surface and pressing surface.
As shown in the figure, the annular edge of a wing is pressed together between secondary filter fitting seat 1 radial edges and sealing cover 4 by sealing gasket, not only has the intensity of good join strength and guarantee centrifugation plate itself, also makes structural integrity strong, simply compact.
In the present embodiment, the tapering of the conical surface of described centrifugation plate 3 20 ° ~ 60 °, the range of revolution according to motor is selected, and general selection 30 ° ~ 45 ° is more suitable, and the present embodiment is 38 °; The centrifugation plate reasonable distribution of this tapering along conical surface direction and perpendicular to the centrifugal component in conical surface direction, avoid impurity to enter oil duct as far as possible, meanwhile, be also beneficial to lubricant oil smooth and easy by oil-through hole under rational centrifugal force, improve separation effect.
In the present embodiment, the inwall of described secondary filter fitting seat forms radially inner boss 14, forms foreign material storage area between adjacent lands 14; Aforementioned foreign material storage area is formed between adjacent lands 14, impurity enters this space under larger centrifugal action, due to the restriction of above-mentioned boss 14, the movement of circumferencial direction can not be there is, be in geo-stationary and sedimentation state, thus can not carry out secondary pollution to oil product, the lateral cross section of boss 14 is generally level and smooth line style, ensure can not gather impurity at the top of boss, ensure the efficiency be separated further; The lateral cross section of boss is generally made to be circular arc, easy to process and there is good intensity, for impurity, there is better shuffle effect; Described boss 14 is positioned at the largest diameter place of the inner chamber of secondary filter fitting seat 1, and boss 14 along the circumferential direction forms enclosed space within the scope of its radial dimension; This enclosed space can be that after secondary filter miscellaneous part is installed, secondary filter fitting seat is formed after coordinating with miscellaneous part, may also be self and is formed; Namely installing the axial two ends of rear boss is formed closed, avoids the rear impurity formation flowing that runs up, ensures the cleaning of oil product; The inner chamber of described secondary filter fitting seat 1 is bell-mouth structure of air, and described boss 14 is positioned at bell-mouthed largest diameter place; Ensure that centrifugal force acts on impurity completely, improve separating effect, the inner chamber of secondary filter fitting seat adopts bell mouth shape, is beneficial to and increases radial dimension in limited space, thus centrifugation ability when relatively increasing the secondary filter slow-speed of revolution; The end face that the horn mouth of the inner chamber of secondary filter fitting seat is corresponding is the seal face for installing secondary filter sealing cover, and described boss interval arranges the installation position for fixedly mounting sealing cover 4; , as shown in the figure, this installation position 13 also forms the level and smooth interior male structure to convex, and increase the join strength of sealing cover, guarantee itself can not deform, and has good join strength, thus ensures good sealing; Meanwhile, interior male structure also plays certain storage impurity effect jointly with boss, and as shown in the figure, installation position is the tapped hole for screwing in screw.
The invention also discloses a kind of motor, described motor is provided with the centrifugal anti-leak secondary filter of described machine oil.
In the present invention, front and back position refers to: it is front for coming oily direction, and crankcase cover side.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (10)

1. the centrifugal anti-leak secondary filter of machine oil, it is characterized in that: comprise for being installed on crankshaft end and its secondary filter fitting seat in circumferencial direction secure fit and for jointly forming the sealing cover in secondary filter chamber with secondary filter fitting seat, be positioned at secondary filter chamber and secondary filter fitting seat to be tightly connected at circumferencial direction and to be provided with centrifugation plate, sealing cover is provided with oil-feed tube coupling, and this oil-feed tube coupling is to be rotatably assorted and to seal the oil road that the mode be communicated with gos deep into crankcase cover.
2. the centrifugal anti-leak secondary filter of machine oil according to claim 1, is characterized in that: sealing cover and oil-feed tube coupling one-body molded and pass through impact briquetting.
3. the centrifugal anti-leak secondary filter of machine oil according to claim 1, is characterized in that: the length that described oil-feed tube coupling stretches into the oil road of crankcase cover is 5mm ~ 6.5mm.
4. the centrifugal anti-leak secondary filter of the machine oil according to claim 1,2 or 3, is characterized in that: described oil-feed tube coupling periphery forms the shaft shoulder, and this shaft shoulder withstands the exit end face of the oil road of crankcase cover.
5. the centrifugal anti-leak secondary filter of machine oil according to claim 1, it is characterized in that: secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by described centrifugation plate, described centrifugation plate has the oil-through hole being communicated with front smart filter chamber and rear smart filter chamber, described front secondary filter chamber is communicated with the oil road of crankcase cover, and rear smart filter chamber is communicated with the oil inlet hole on bent axle.
6. the centrifugal anti-leak secondary filter of machine oil according to claim 5, is characterized in that: the equal setpoint distance of radially outward edge and center of described oil-through hole distance heart separating plate.
7. the centrifugal anti-leak secondary filter of machine oil according to claim 5, is characterized in that: described centrifugation plate is the cone structure expanded gradually to sealing cover direction, and oil-through hole is located at the conical surface of cone structure.
8. the centrifugal anti-leak secondary filter of machine oil according to claim 7, is characterized in that: the conical top of centrifugation plate is that plane forms taper type disk-like structure; The tapering of the conical surface of described centrifugation plate 20 ° ~ 60 °.
9. the centrifugal anti-leak secondary filter of the machine oil according to claim 7 or 8, is characterized in that: described oil-through hole is positioned at the 1/4-1/2 place of centrifugation plate apart from taper type disk-like structure top.
10. a motor, is characterized in that: described motor is provided with the centrifugal anti-leak secondary filter of machine oil described in claim 1-9.
CN201410676732.2A 2014-11-21 2014-11-21 The centrifugal anti-leak fine filter of machine oil and its engine Active CN104454079B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806325A (en) * 2015-04-14 2015-07-29 重庆隆鑫发动机有限公司 Centrifugal fine filter and engine thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284504A (en) * 1979-10-09 1981-08-18 Hastings Manufacturing Company Centrifugal spin-on filter or separator and method of making and assembling the same
JPH06280534A (en) * 1993-01-14 1994-10-04 Audi Ag Circulation system for lubricating oil of internal combustion engine
US5637217A (en) * 1995-01-25 1997-06-10 Fleetguard, Inc. Self-driven, cone-stack type centrifuge
US20020128140A1 (en) * 1998-04-16 2002-09-12 Filterwerk Mann & Hummel Gmbh Free Jet centrifuge rotor
CN201381884Y (en) * 2009-01-20 2010-01-13 重庆宗申发动机制造有限公司 Engine oil filter rotor and engine applying same
CN102211063A (en) * 2010-02-15 2011-10-12 曼·胡默尔有限公司 Centrifugal separator with snap fit separation cone
CN102661184A (en) * 2012-05-21 2012-09-12 隆鑫通用动力股份有限公司 Forced centrifugal fine filter and engine of forced centrifugal fine filter
CN203321625U (en) * 2013-06-26 2013-12-04 重庆宗申发动机制造有限公司 Machine oil filter used on engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284504A (en) * 1979-10-09 1981-08-18 Hastings Manufacturing Company Centrifugal spin-on filter or separator and method of making and assembling the same
JPH06280534A (en) * 1993-01-14 1994-10-04 Audi Ag Circulation system for lubricating oil of internal combustion engine
US5637217A (en) * 1995-01-25 1997-06-10 Fleetguard, Inc. Self-driven, cone-stack type centrifuge
US20020128140A1 (en) * 1998-04-16 2002-09-12 Filterwerk Mann & Hummel Gmbh Free Jet centrifuge rotor
CN201381884Y (en) * 2009-01-20 2010-01-13 重庆宗申发动机制造有限公司 Engine oil filter rotor and engine applying same
CN102211063A (en) * 2010-02-15 2011-10-12 曼·胡默尔有限公司 Centrifugal separator with snap fit separation cone
CN102661184A (en) * 2012-05-21 2012-09-12 隆鑫通用动力股份有限公司 Forced centrifugal fine filter and engine of forced centrifugal fine filter
CN203321625U (en) * 2013-06-26 2013-12-04 重庆宗申发动机制造有限公司 Machine oil filter used on engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806325A (en) * 2015-04-14 2015-07-29 重庆隆鑫发动机有限公司 Centrifugal fine filter and engine thereof
CN104806325B (en) * 2015-04-14 2018-02-02 重庆隆鑫发动机有限公司 Centrifugal fine filter and its engine

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