CN204253133U - Clean type centrifugal fine filter and motor thereof - Google Patents
Clean type centrifugal fine filter and motor thereof Download PDFInfo
- Publication number
- CN204253133U CN204253133U CN201420709386.9U CN201420709386U CN204253133U CN 204253133 U CN204253133 U CN 204253133U CN 201420709386 U CN201420709386 U CN 201420709386U CN 204253133 U CN204253133 U CN 204253133U
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- oil
- secondary filter
- centrifugation plate
- hole
- fitting seat
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Abstract
The utility model discloses a kind of clean type centrifugal fine filter and motor thereof, 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, centrifugation plate has oil-through hole, the utility model maintains all advantages that existing secondary filter has, and, the passage passed through for lubricant oil is the oil-through hole opened on centrifugation plate, the join strength of centrifugation plate is not only made to 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.
Description
Technical field
The utility model 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, this structure is used 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 endless gathering is collected, and causes making isolation of purified effect be deteriorated gradually along with the prolongation of life cycle.
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 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.
Model utility content
In view of this, the utility model provides a kind of clean type centrifugal fine filter 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 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.
Clean type centrifugal fine filter of the present utility model, 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, secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by this 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, 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, 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.
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 described clean type centrifugal fine filter.
The beneficial effects of the utility model: clean type centrifugal fine filter of the present utility model 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, the passage importantly passed through for lubricant oil is the oil-through hole opened on centrifugation plate, the join strength of centrifugation plate is not only made to 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.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is sectional view of the present utility model;
Fig. 2 is secondary filter fitting seat end view.
Embodiment
Fig. 1 is sectional view of the present utility model, Fig. 2 is secondary filter fitting seat end view, as shown in the figure: the clean type centrifugal fine filter 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, secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by this 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, lubricant oil trend is shown in arrow in figure, 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, 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, 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 stretches 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; Sealing connection can adopt the auxiliary seal modes such as O type circle, filler, 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 7, avoids and causes oil leak problem because part processing plane degree difference.
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, 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 model utility object 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 described clean type centrifugal fine filter.
In the utility model, 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 the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a clean type centrifugal fine filter, 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, secondary filter chamber is divided into front smart filter chamber and rear smart filter chamber by this 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, rear smart filter chamber is communicated with the oil inlet hole on bent axle.
2. clean type centrifugal fine filter according to claim 1, is characterized in that: the equal setpoint distance of radially outward edge and center of described oil-through hole distance heart separating plate.
3. clean type centrifugal fine filter according to claim 1, is characterized in that: described oil-through hole is multiplely along the circumferential direction to be uniformly distributed.
4. clean type centrifugal fine filter according to claim 1, 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.
5. clean type centrifugal fine filter according to claim 4, is characterized in that: the conical top of centrifugation plate is that plane forms taper type disk-like structure.
6. clean type centrifugal fine filter according to claim 5, 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.
7. clean type centrifugal fine filter according to claim 4, it is characterized in that: the inner chamber of described secondary filter fitting seat is the bell mouth shape adapted with centrifugation plate shape, 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.
8. the clean type centrifugal fine filter according to claim 4,5 or 6, is characterized in that: the tapering of the conical surface of described centrifugation plate 20 ° ~ 60 °.
9. a motor, is characterized in that: described motor is provided with the clean type centrifugal fine filter described in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709386.9U CN204253133U (en) | 2014-11-21 | 2014-11-21 | Clean type centrifugal fine filter and motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709386.9U CN204253133U (en) | 2014-11-21 | 2014-11-21 | Clean type centrifugal fine filter and motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253133U true CN204253133U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420709386.9U Expired - Fee Related CN204253133U (en) | 2014-11-21 | 2014-11-21 | Clean type centrifugal fine filter and motor thereof |
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| Country | Link |
|---|---|
| CN (1) | CN204253133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612781A (en) * | 2014-11-21 | 2015-05-13 | 重庆隆鑫发动机有限公司 | Centrifugal engine oil fine filter and engine thereof |
-
2014
- 2014-11-21 CN CN201420709386.9U patent/CN204253133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612781A (en) * | 2014-11-21 | 2015-05-13 | 重庆隆鑫发动机有限公司 | Centrifugal engine oil fine filter and engine thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20181121 |