CN106704374A - Oil lubrication slide bearing with low lubricating oil loss - Google Patents
Oil lubrication slide bearing with low lubricating oil loss Download PDFInfo
- Publication number
- CN106704374A CN106704374A CN201710055596.9A CN201710055596A CN106704374A CN 106704374 A CN106704374 A CN 106704374A CN 201710055596 A CN201710055596 A CN 201710055596A CN 106704374 A CN106704374 A CN 106704374A
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- China
- Prior art keywords
- oil
- sliding bearing
- lubrication
- groove
- bearing
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
Abstract
The invention discloses an oil lubrication slide bearing with low lubricating oil loss. The oil lubrication slide bearing comprises a bearing body; and the bearing body is provided with a shaft hole allowing a rotating shaft to penetrate through. The oil lubrication slide bearing further comprises an oil grove formed in the wall surface of the shaft hole; the length direction of the oil groove is parallel to the axis direction of the shaft hole; and lubricating oil can generate the capillary phenomenon in the oil groove. The structural design of the slide bearing facilitates prevention of quicker loss of the lubricating oil, and meanwhile, facilitates forming of a more uniform oil film in the axis direction of the slide bearing.
Description
Technical field
The present invention relates to technical field of transmission, the few oil lubrication sliding axle of more particularly to a kind of loss of lubrication amount
Hold.
Background technology
Bearing is a kind of important spare part in contemporary plant equipment.Its major function is the mechanical rotary body of support, is reduced
Coefficient of friction in its motion process, and ensure its rotating accuracy.
By the difference of motor element frictional property, bearing can be divided into rolling bearing and the major class of sliding bearing two.Wherein roll
Bearing is normalized, seriation, but sliding bearing with its small volume, stable working, reliability, noiseless, in hydrodynamic lubrication
Under the conditions of, slidingsurface is separated without there is directly contact by lubricating oil, can greatly reduce friction loss and surface abrasion, together
When oil film also there is the advantage such as certain vibration absorption ability, it may have the status do not replaced.
The lubrication of lubricating oil plays the effect of key, application number to the service life of sliding bearing
201520264745.9 patent of invention provides a kind of powder metallurgy oil-impregnated bearing for increasing oil reserve, the mistake of the bearing working
Cheng Zhong, lubricating oil can form circulation, so, the lubricant effect of bearing can be improved to a certain extent.However, in above technology
Sliding bearing structure design has taken into consideration only the loss that lubricating oil may bring under the action of the centrifugal force, for improvement sliding bearing
The problem of lubrication circumstances, sliding bearing structure of the prior art needs further improvement or optimizes.
The content of the invention
For the above-mentioned existing problem for improvement sliding bearing lubricating situation, sliding bearing structure of the prior art
The problem for needing further improvement or optimizing, the invention provides a kind of few oil lubrication sliding bearing of loss of lubrication amount,
The structure design of this sliding bearing is beneficial to avoid the too fast loss of lubricating oil, meanwhile, beneficial to the shape on the axis direction of sliding bearing
Into the oil film being more uniformly distributed.
The oil lubrication sliding bearing that a kind of loss of lubrication amount of present invention offer is few is solved by following technical essential
Problem：A kind of few oil lubrication sliding bearing of loss of lubrication amount, including bearing body, be provided with the bearing body for
The axis hole of rotating shaft is worn, also including the oil groove being arranged on axis hole wall, the axle of the length direction of the oil groove parallel to axis hole
Line direction, and lubricating oil can produce capillarity in the oil groove.
Specifically, when rotating shaft is inserted axis hole and rotated in axis hole, the oil film of performance reduction abrasive effect is formed at and turns
Between axial wall plane and axis hole wall.Regardless of whether being under sliding bearing working condition or under dead status, when sliding bearing
Axis not on a horizontal when, lubricating oil can flow down or excessive exposed to sliding bearing along rotating shaft under gravity
End position, case above can cause the too fast consumption of lubricating oil, low-viscosity oil or the slip in hot environment
Bearing situation is the most serious, and particularly in the sliding bearing course of work, the lubricating oil viscosity that is heated is greatly reduced, in centrifugal force
In the state of the lower surface for causing that the lubricating oil exposed to bearing body end participates in countershaft of effect is soaked, so,
It is likely to result in by the situation of the substantial amounts of lubricating oil of sliding bearing end wear, so, sliding bearing maintenance will necessarily be increased
The service life of workload or reduction sliding bearing.
In this structure, oil groove is set by axis hole wall, while the length direction by limiting the oil groove, while
Limiting lubricating oil can produce capillarity in the oil groove, and the oil groove is bearing body and rotating shaft gap between the two
A part, capillarity is produced by lubricating oil in oil groove, i.e., described oil groove is the equal of a capillary, and lubricating oil is in hair
Spy moves upwards under using along the length direction of oil groove, and so, the more lubricating oil in oil groove lower end can be in oil groove along oil
Groove is moved upwards, so, can reduce the enriching quantity for inclining the sliding bearing lower end lubricating oil installed, and is reduced because lubricating oil is caused
The lubrication oil consumption that rotating shaft surface is wetted and causes, the purpose of the too fast loss of lubricating oil is avoided so as to reach.Further, with
Upper capillarity may be such that lubricating oil so, that is, can be caused along the axis of bearing body to the upper direction of sliding bearing
Direction, what lubricating oil can be more uniformly distributed is distributed between the two ends of bearing body, so, is easy to cause the shaft bore surface of upside
It is likely to form complete or more complete oil film, is led because relative motion occurs with shaft bore surface for rotating shaft with reducing or preventing
The shaft bore surface abrasion of cause, reaches the purpose of extension this sliding bearing service life.
Further technical scheme is：
Because lubricating oil to be caused can occur capillarity in oil groove, the sectional dimension of inevitable oil groove is not too large,
Even sliding bearing assembler can not observe by the naked eye oil groove at all where position, for cause complete sliding bearing install
Afterwards, there is oil groove to be enriched with lubricating oil at lower position, at the same for cause rotating shaft circumferential direction, interval have be stored with compared with
The oil groove of many lubricating oil, to avoid certain point on rotating shaft surface when oil groove is turned to farther out, covers rupture of oil film thereon, institute
The quantity for stating oil groove is a plurality of, and axis of a plurality of oil groove each other relative to axis hole is annularly uniform.In this programme, position
After relatively low oil groove is enriched with more lubricating oil, can be transferred in the oil groove of eminence in the presence of rotating shaft, it is existing in capillary
As in the presence of, lubricating oil along eminence oil groove length direction it is uniform after, can be obtained on the rotating shaft surface at the oil groove rear
More complete oil film rubs for reducing.
The fit-up gap of comprehensive existing sliding bearing and rotating shaft, the spy of the lubricating oil for sliding bearing for being used
Property, can preferably ensure in oil groove coverage as one kind, the realization of more complete oil film is formed between axis hole and rotating shaft
Scheme, the quantity of the oil groove is more than 3.
Capillarity can occur in oil groove by lubricating oil as one kind, reduce sliding bearing lower end lubricating oil enriching quantity
Implementation, the oil groove at least one end is intersected with the end face of bearing body.In this programme, when oil groove two ends and axle
When the end for holding body is intersected, bearing body can make no distinction of rank, and end is random to install；When oil groove only has the end of one end and bearing body
When portion intersects, the lower end when end that bearing body is connected with oil groove is installed as sliding bearing.
To enable that lubricating oil covers whole friction pair as far as possible, while facilitate the installation of sliding bearing, the oil
Intersect with the end face of bearing body at the two ends of groove.
To avoid forming burr in its end when axis hole is processed, the two ends of the axis hole are provided with rounding.More than fall
Circle can be formed by rounding or chamfer, set as small as possible by the size of the rounding or chamfer, such as rounding
When, chamfering radius is less than 0.5mm, during 45 ° of right angles, cuts the length no more than 0.5mm of axis hole, and so, lubricating oil can also be inhaled
It is attached in the rounding, equivalent to an annular oil duct can be obtained in the end of axis hole, so, can reduces or avoid because lubrication
The loss of lubrication that glossy wet rotating shaft surface is caused.
As one kind have low cost, can absorbing, noise it is small, within the working time more long without plus the features such as lubricating oil,
The implementation for being difficult to lubricate or do not allow the dirty working environment of oil is particularly well-suited to, the oil lubrication sliding bearing is oil-containing axle
Hold.That is bearing body with porous material as raw material, such as porous metals, porous plastics, with powder metallurgic method make sintered body, modeling
The bed of material and mosaics of metal-backed making etc..Further, the hole being set on bearing body is connected with oil groove, so,
In lubricating oil expanded by heating or cooling, be joined directly together with oil groove by hole, be easy to quick lubricating oil full in oil groove or
Enable that lubricating oil is quickly immersed in hole.
As a kind of oil groove that can preferably adapt to existing sliding bearing lubricants performance, form, the width of the oil groove are set
Degree is more than 0.5um.Preferably, being arranged between 5-20um with the width numerical value of finishing bathtray, so, bearing work is not only may be such that
The abrasion produced during work will not in a short time influence oil groove performance axial lubrication uniformly to act on, and also may be such that bearing working
During the particle that produces do not interfere with lubricating oil in a short time capillarity produced in oil groove.
Used as the specific implementation of oil groove, the section of the oil groove is triangular in shape or open end width is more than bottom width
It is trapezoidal.When the section of the oil groove is triangular in shape, complete oil film formational situation preferably, when may be such that axis of rotation have compared with
Low noise；When the section of the oil groove is trapezoidal, for oiliness bearing, with fuel-displaced faster and oil-feed efficiency.
The invention has the advantages that：
In this structure, oil groove is set by axis hole wall, while the length direction by limiting the oil groove, while
Limiting lubricating oil can produce capillarity in the oil groove, and the oil groove is bearing body and rotating shaft gap between the two
A part, capillarity is produced by lubricating oil in oil groove, so, the more lubricating oil in oil groove lower end can in oil groove along
Oil groove is moved upwards, so, can reduce the enriching quantity for inclining the sliding bearing lower end lubricating oil installed, and is reduced because lubricating oil is made
And the lubrication oil consumption that causes wetted into rotating shaft surface, the purpose of the too fast loss of lubricating oil is avoided so as to reach.Further,
Above capillarity may be such that lubricating oil so, that is, can be caused along the axle of bearing body to the upper direction of sliding bearing
Line direction, what lubricating oil can be more uniformly distributed is distributed between the two ends of bearing body, so, is easy to cause the axis hole table of upside
Face is likely to form complete or more complete oil film, to reduce or prevent because of rotating shaft and shaft bore surface generation relative motion
Caused shaft bore surface abrasion, reaches the purpose of extension this sliding bearing service life.
Brief description of the drawings
Fig. 1 is a kind of bowing for few one specific embodiment of oil lubrication sliding bearing of loss of lubrication amount of the present invention
View；
Fig. 2 is a kind of few one solution of specific embodiment of oil lubrication sliding bearing of loss of lubrication amount of the present invention
Sectional view.
Numbering in figure is followed successively by：1st, bearing body, 2, rounding, 3, axis hole, 4, oil groove
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but structure of the invention be not limited only to it is following
Embodiment.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of few oil lubrication sliding bearing of loss of lubrication amount, including bearing body 1, it is described
The axis hole 3 for wearing rotating shaft is provided with bearing body 1, also including the oil groove 4 being arranged on the wall of axis hole 3, the oil groove 4
Length direction parallel to axis hole 3 axis direction, and lubricating oil can produce capillarity in the oil groove 4.
Specifically, when rotating shaft is inserted axis hole 3 and rotated in axis hole 3, the oil film for playing reduction abrasive effect is formed at
Between rotating shaft wall and the wall of axis hole 3.Regardless of whether being under sliding bearing working condition or under dead status, to work as sliding bearing
Axis not on a horizontal when, lubricating oil can flow down or excessive exposed to sliding bearing along rotating shaft under gravity
End position, case above can cause the too fast consumption of lubricating oil, low-viscosity oil or the cunning in hot environment
Dynamic bearing situation is the most serious, and particularly in the sliding bearing course of work, the lubricating oil viscosity that is heated is greatly reduced, in centrifugal force
In the presence of cause exposed to the end of bearing body 1 lubricating oil participate in countershaft surface soaked in the state of, this
Sample, is likely to result in by the situation of the substantial amounts of lubricating oil of sliding bearing end wear, so, will necessarily increase sliding bearing maintenance
Workload or reduce sliding bearing service life.
In this structure, by setting oil groove 4 on the wall of axis hole 3, while the length direction by limiting the oil groove 4,
Limiting lubricating oil simultaneously can produce capillarity in the oil groove 4, the oil groove 4 be both bearing body 1 and rotating shaft it
Between gap a part, capillarity is produced in oil groove 4 by lubricating oil, so, the more lubricating oil in the lower end of oil groove 4 can be
Moved upwards along oil groove 4 in oil groove 4, so, the enriching quantity for inclining the sliding bearing lower end lubricating oil installed can be reduced, reduced
The lubrication oil consumption caused because lubricating oil causes rotating shaft surface wetted, the mesh of the too fast loss of lubricating oil is avoided so as to reach
's.Further, above capillarity may be such that lubricating oil can to the upper direction of sliding bearing, so, that is, cause along
The axis direction of bearing body 1, what lubricating oil can be more uniformly distributed is distributed between the two ends of bearing body 1, so, is easy to make
The surface of axis hole 3 for obtaining upside is likely to form complete or more complete oil film, to reduce or prevent because rotating shaft and the table of axis hole 3
There is the surface abrasion of axis hole 3 caused by relative motion in face, reach the purpose of extension this sliding bearing service life.
Embodiment 2：
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1：Due to lubricating oil to be caused
Capillarity can occur in oil groove 4, the sectional dimension of inevitable oil groove 4 is not too large, or even sliding bearing assembler is basic
Position where oil groove 4 can not be observed by the naked eye, after causing that completing sliding bearing installs, has oil groove at lower position
4 to be enriched with lubricating oil, while to cause the circumferential direction in rotating shaft, interval has the oil groove 4 of the more lubricating oil that is stored with, to keep away
Exempt from certain point on rotating shaft surface when oil groove 4 is turned to farther out, cover rupture of oil film thereon, the quantity of the oil groove 4 is many
Bar, and axis of a plurality of oil groove 4 each other relative to axis hole 3 is annularly uniform.In this programme, the relatively low oil groove 4 in position is rich
After collection has more lubricating oil, can be transferred in the presence of rotating shaft in the oil groove 4 of eminence, in the presence of capillarity,
Lubricating oil along eminence the length direction of oil groove 4 it is uniform after, can obtain more complete on the rotating shaft surface at the rear of oil groove 4
Oil film rubs for reducing.
The fit-up gap of comprehensive existing sliding bearing and rotating shaft, the spy of the lubricating oil for sliding bearing for being used
Property, can preferably ensure in the coverage of oil groove 4 as one kind, the reality of more complete oil film is formed between axis hole 3 and rotating shaft
Existing scheme, the quantity of the oil groove 4 is more than 3.
Capillarity can occur in oil groove 4 by lubricating oil as one kind, reduce the lubricating oil enrichment of sliding bearing lower end
Intersect with the end face of bearing body 1 implementation of amount, at least one end of the oil groove 4.In this programme, when the two ends of oil groove 4
When end with bearing body 1 is intersected, bearing body 1 can make no distinction of rank, and end is random to install；When oil groove 4 only has one end and bearing
When the end of body 1 is intersecting, the lower end when end that bearing body 1 is connected with oil groove 4 is installed as sliding bearing.
To enable that lubricating oil covers whole friction pair as far as possible, while facilitate the installation of sliding bearing, the oil
End face of the two ends of groove 4 with bearing body 1 intersects.
To avoid forming burr in its end when axis hole 3 is processed, the two ends of the axis hole 3 are provided with rounding 2.More than
Rounding 2 can be formed by rounding or chamfer, set as small as possible by the size of the rounding or chamfer, such as rounding
During angle, chamfering radius is less than 0.5mm, during 45 ° of right angles, cuts the length no more than 0.5mm of axis hole 3, and so, lubricating oil also may be used
Absorption in the rounding 2, equivalent to an annular oil duct can be obtained in the end of axis hole 3, so, can reduce or avoid because
The loss of lubrication that lubricating oil wetting rotating shaft surface is caused.
Embodiment 3：
As depicted in figs. 1 and 2, the base of any one technical scheme that the present embodiment is provided in any of the above one embodiment
A kind of more detailed scheme is provided on plinth：As one kind have low cost, can absorbing, noise it is small, within the working time more long
The features such as without adding lubricating oil, it is particularly well-suited to the implementation for being difficult to lubricate or do not allow the dirty working environment of oil, the oil
Lubrication sliding bearing is oiliness bearing.That is bearing body 1 with porous material as raw material, such as porous metals, porous plastics, with powder
Sintered body, plastic layer and mosaics of metal-backed making that metallurgy method makes etc..Further, it is set on bearing body 1
Hole be connected with oil groove 4, so, lubricating oil expanded by heating or cooling when, be joined directly together with oil groove 4 by hole, be easy to
In lubricating oil quickly being filled in oil groove 4 or lubricating oil is quickly immersed in hole.
As a kind of setting form of oil groove 4 that can preferably adapt to existing sliding bearing lubricants performance, the oil groove 4
Width is more than 0.5um.
Used as the specific implementation of oil groove 4, the section of the oil groove 4 is triangular in shape or open end width is wide more than bottom
That spends is trapezoidal.When the section of the oil groove 4 is triangular in shape, complete oil film formational situation preferably, has when may be such that axis of rotation
There is relatively low noise；When the section of the oil groove 4 is trapezoidal, for oiliness bearing, with fuel-displaced faster and oil-feed efficiency.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The specific embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where technical scheme is not departed from, should be included within the scope of the present invention.
Claims (9)
1. the few oil lubrication sliding bearing of a kind of loss of lubrication amount, including bearing body (1), sets on the bearing body (1)
It is equipped with the axis hole (3) for wearing rotating shaft, it is characterised in that described also including the oil groove (4) being arranged on axis hole (3) wall
Parallel to the axis direction of axis hole (3), and lubricating oil can produce in the oil groove (4) capillary to show to the length direction of oil groove (4)
As.
2. a kind of few oil lubrication sliding bearing of loss of lubrication amount according to claim 1, it is characterised in that the oil
The quantity of groove (4) is a plurality of, and axis of a plurality of oil groove (4) each other relative to axis hole (3) is annularly uniform.
3. a kind of few oil lubrication sliding bearing of loss of lubrication amount according to claim 2, it is characterised in that the oil
The quantity of groove (4) is more than 3.
4. a kind of few oil lubrication sliding bearing of loss of lubrication amount according to claim 1, it is characterised in that the oil
Intersect with the end face of bearing body (1) groove (4) at least one end.
5. a kind of few oil lubrication sliding bearing of loss of lubrication amount according to claim 4, it is characterised in that the oil
End face of the two ends of groove (4) with bearing body (1) intersects.
6. a kind of few oil lubrication sliding bearing of loss of lubrication amount according to claim 1, it is characterised in that the axle
The two ends in hole (3) are provided with rounding (2).
7. the few oil lubrication sliding bearing of a kind of loss of lubrication amount as claimed in any of claims 1 to 6, it is special
Levy and be, the oil lubrication sliding bearing is oiliness bearing.
8. the few oil lubrication sliding bearing of a kind of loss of lubrication amount as claimed in any of claims 1 to 6, it is special
Levy and be, the width of the oil groove (4) is more than 0.5um.
9. the few oil lubrication sliding bearing of a kind of loss of lubrication amount as claimed in any of claims 1 to 6, it is special
Levy and be, the section of the oil groove (4) is triangular in shape or open end width is trapezoidal more than bottom width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055596.9A CN106704374A (en) | 2017-01-25 | 2017-01-25 | Oil lubrication slide bearing with low lubricating oil loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055596.9A CN106704374A (en) | 2017-01-25 | 2017-01-25 | Oil lubrication slide bearing with low lubricating oil loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704374A true CN106704374A (en) | 2017-05-24 |
Family
ID=58909632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710055596.9A Pending CN106704374A (en) | 2017-01-25 | 2017-01-25 | Oil lubrication slide bearing with low lubricating oil loss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704374A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58623A (en) * | 1981-06-23 | 1983-01-05 | Mitsubishi Metal Corp | Oil-containing sintered bearing |
| CN1169514A (en) * | 1996-06-21 | 1998-01-07 | 三星电机株式会社 | Sintered hydrodynamic oil-contained bearing |
| JPH10205538A (en) * | 1996-11-22 | 1998-08-04 | Pooraito Kk | Sintered oil-retaining bearing and manufacture thereof |
| US6398416B1 (en) * | 1999-10-02 | 2002-06-04 | Karl Simon Gmbh & Co. Kg | Sintered friction bearing for motors and gears |
| US6540404B1 (en) * | 1998-09-11 | 2003-04-01 | Robert Bosch Gmbh | Sintered plain bearing for engines and gears |
| CN103388623A (en) * | 2013-07-26 | 2013-11-13 | 诸暨市震达轴承有限公司 | Self-lubricating bearing and production process thereof |
| CN206513717U (en) * | 2017-01-25 | 2017-09-22 | 雷勇兵 | A kind of oil lubrication sliding bearing |
-
2017
- 2017-01-25 CN CN201710055596.9A patent/CN106704374A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58623A (en) * | 1981-06-23 | 1983-01-05 | Mitsubishi Metal Corp | Oil-containing sintered bearing |
| CN1169514A (en) * | 1996-06-21 | 1998-01-07 | 三星电机株式会社 | Sintered hydrodynamic oil-contained bearing |
| JPH10205538A (en) * | 1996-11-22 | 1998-08-04 | Pooraito Kk | Sintered oil-retaining bearing and manufacture thereof |
| US6540404B1 (en) * | 1998-09-11 | 2003-04-01 | Robert Bosch Gmbh | Sintered plain bearing for engines and gears |
| US6398416B1 (en) * | 1999-10-02 | 2002-06-04 | Karl Simon Gmbh & Co. Kg | Sintered friction bearing for motors and gears |
| CN103388623A (en) * | 2013-07-26 | 2013-11-13 | 诸暨市震达轴承有限公司 | Self-lubricating bearing and production process thereof |
| CN206513717U (en) * | 2017-01-25 | 2017-09-22 | 雷勇兵 | A kind of oil lubrication sliding bearing |
Non-Patent Citations (2)
| Title |
|---|
| 渡边侊尚: "烧结含油轴承", 《粉末冶金技术》 * |
| 贾成厂: "烧结金属含油轴承", 《金属世界》 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |