CN105545943A - Oil bearing - Google Patents
Oil bearing Download PDFInfo
- Publication number
- CN105545943A CN105545943A CN201610053361.1A CN201610053361A CN105545943A CN 105545943 A CN105545943 A CN 105545943A CN 201610053361 A CN201610053361 A CN 201610053361A CN 105545943 A CN105545943 A CN 105545943A
- Authority
- CN
- China
- Prior art keywords
- oil
- district
- endoporus
- bearing
- impregnated 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.)
- Pending
Links
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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
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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
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses an oil bearing. The oil bearing comprises an inner hole; the inner hole is peripherally provided with multiple first areas for bearing loads and multiple second areas for accommodating lubricating oil; micro holes are formed in the second areas; and when the rotating speed of a shaft accommodated in the inner hole reaches 900 r/m, the lubricating oil flows out within 10 seconds from the second areas. The oil bearing can guarantee the holes in 1/4-1/3 of the inner hole to be not blocked, so that the product oil outlet speed can be accelerated, and the slow oil outlet fault of the bearing is reduced.
Description
Technical field
The present invention relates to a kind of oil-impregnated bearing, belong to sliding bearing field.
Background technique
Oil-impregnated bearing and porous bearings (PorousBearing), since 1870 come out, it is widely used in the industrial fields such as Transport Machinery, household electric appliance, stereo set, food machinery, printing machinery, automobile, instrument and apparatus, textile manufacturing machine, Aero-Space.Along with the industries such as machinery, automobile, electronics are towards microminiaturization, the development of high-precision densification, intelligent direction, be also more and more wider to the demand of oil-impregnated bearing.
The matrix of oil-impregnated bearing is processed to the Organizational Structure of porous.There is certain degree of permeability, make the suitable oiling agent of rear use (generally using lubricant oil) and flooded, oiling agent is filled in the hole of matrix and stores.It has the advantage of oneself's lubrication, it shows as oil and is in operation and oozes out from hole and to lubricate at rubbing surface, and run one and stop, oil is just inhaled in porous matrix again and stores, therefore the number of dropouts of lubricant oil is generally little, just can lubricate for a long time with a small amount of oil.Relative to rolling bearing, oil-impregnated bearing has the features such as noise is low, size is little, structure is simple, production technology is superior, can not generate heat deadlocked, low price, applicable production in enormous quantities.
Oil-impregnated bearing is mainly used in lower load, compared with low speed, fuel feeding difficulty and the occasion avoiding lubricant pollution.For no other reason than that the porosity of oil-impregnated bearing, make to it create the defects such as such as bearing capacity is low, frictional loss is large, the life-span is low.
Oil-impregnated bearing mainly contains two kinds of structural types, and one is overall structure form, and another kind splits structural type.Accompanying drawing 1 and accompanying drawing 2 are existing oil-impregnated bearing schematic diagram.Oil-impregnated bearing after powder sintered, be the dimensional accuracy ensureing endoporus, need to carry out a Shape correction to brearing bore, and in this reforming process, some space there will be extruding blocking phenomenon, namely forms endoporus plugged zone 2 at the endoporus of oil-impregnated bearing.So adopt the bearing of conventional construction, the blocked ratio of every bearing clearances is random, and when the blocking of certain bearing clearances is too much, its Extraction rate will be slow.
Summary of the invention
The present invention seeks to a kind of oil-impregnated bearing.
For achieving the above object, the technical solution used in the present invention is: a kind of oil-impregnated bearing, comprises endoporus, and this endoporus is circumferentially provided with multiple firstth district and multiple secondth district; Described firstth district protrudes to the vestibule direction of described endoporus.
Preferred technological scheme is: described firstth district and the second interval are every setting.
For achieving the above object, the technical solution used in the present invention is: a kind of oil-impregnated bearing, comprises endoporus, and this endoporus is circumferentially provided with multiple the firstth district for bearing load and multiple the secondth district for holding lubricant oil; Micropore is provided with in described secondth district; Subzero 40 DEG C in ambient temperature, described secondth district, and when the rotating speed of the axle held in described endoporus reaches 900 revs/min, within 10 seconds, go out lubricant oil.
Preferred technological scheme is: described firstth district and the second interval are every setting.
Preferred technological scheme is: described firstth district protrudes to the vestibule direction of described endoporus.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
Oil-impregnated bearing of the present invention can guarantee that the hole at the endoporus place of 1/4 ~ 1/3 is not blocked, like this can the Extraction rate of improving product, thus reduces the fuel-displaced slow fault of bearing and occur.
Accompanying drawing explanation
Accompanying drawing 1 is prior art oil-impregnated bearing schematic diagram.
Accompanying drawing 2 is accompanying drawing 1 oil-impregnated bearing cross-sectional schematic.
Accompanying drawing 3 is oil-impregnated bearing schematic diagram of the present invention.
In above accompanying drawing, 1, oil-impregnated bearing; 2, endoporus plugged zone; 3, the firstth district; 4, the secondth district.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Embodiment one: a kind of oil-impregnated bearing
Shown in accompanying drawing 3, a kind of oil-impregnated bearing 1, comprises endoporus, and this endoporus is circumferentially provided with multiple first district 3 and multiple second district 4; Described firstth district protrudes to the vestibule direction of described endoporus.Described firstth district and the second interval are every setting.
Shaping step in oil-impregnated bearing preparation process, the power applied can arrive the surface in the first district 3, the micropore of oil-containing in the first district 3 is made to be extruded closed, quality becomes fine and close, thus can bearing load, and the second district 4 is unaffected when endoporus shaping, therefore the micropore in the second district 4 can hold lubricant oil.Thus make the hole of the endoporus of 1/4 ~ 1/3 of oil-impregnated bearing not blocked, like this can the Extraction rate of improving product, thus reduce the fuel-displaced slow fault of bearing and occur
Embodiment two: a kind of oil-impregnated bearing
Shown in accompanying drawing 3, a kind of oil-impregnated bearing 1, comprises endoporus, and this endoporus is circumferentially provided with multiple the first district 3 for bearing load and multiple the second district 4 for holding lubricant oil; Micropore is provided with in described second district 4; Micropore is provided with in described secondth district; Subzero 40 DEG C in ambient temperature, described secondth district, and when the rotating speed of the axle held in described endoporus reaches 900 revs/min, within 10 seconds, go out lubricant oil.Described first district 3 and the second interval, district 4 are arranged.Described first district 3 protrudes to the vestibule direction of described endoporus.
When preparing oil-impregnated bearing, the material in the first district 3 is fine and close, and the material in the second district 4 is loosened.Shaping step in oil-impregnated bearing preparation process, the power applied can arrive the surface in the first district 3, and the object arranged due to the first district 3 is for bearing load, and therefore its material is fine and close, shaping can have an impact to the first district 3, and can not have an impact to the second district 4 that material is loose.Because the first district 3 is for bearing load, therefore there is pore-free (space) unimportant in it, therefore its deformation process fuel-displaced speed to oil-impregnated bearing caused in endoporus shaping does not have an impact, and the secondth district due to material loosen, so reforming process does not also affect it, therefore the micropore in it can be retained in reforming process, thus remains the micropore for holding lubricant oil.Firstth district is set to compact zone, can ensure the dimensional accuracy of endoporus, and promote wear resistance, ensures product working life.Secondth district is puffs, and during this region finishing of internal diameter, hole can not be destroyed, and can be lifted out speed oil.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. an oil-impregnated bearing, is characterized in that: comprise endoporus, and this endoporus is circumferentially provided with multiple firstth district and multiple secondth district; Described firstth district protrudes to the vestibule direction of described endoporus.
2. oil-impregnated bearing according to claim 2, is characterized in that: described firstth district and the second interval are every setting.
3. an oil-impregnated bearing, is characterized in that: comprise endoporus, and this endoporus is circumferentially provided with multiple the firstth district for bearing load and multiple the secondth district for holding lubricant oil; Micropore is provided with in described secondth district; Subzero 40 DEG C in ambient temperature, described secondth district, and when the rotating speed of the axle held in described endoporus reaches 900 revs/min, within 10 seconds, go out lubricant oil.
4. oil-impregnated bearing according to claim 3, is characterized in that: described firstth district and the second interval are every setting.
5. oil-impregnated bearing according to claim 3, is characterized in that: described firstth district protrudes to the vestibule direction of described endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053361.1A CN105545943A (en) | 2016-01-27 | 2016-01-27 | Oil bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053361.1A CN105545943A (en) | 2016-01-27 | 2016-01-27 | Oil bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105545943A true CN105545943A (en) | 2016-05-04 |
Family
ID=55825377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053361.1A Pending CN105545943A (en) | 2016-01-27 | 2016-01-27 | Oil bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204405A (en) * | 2016-12-16 | 2018-06-26 | 通用电气公司 | For the bearing of journals of axis |
| CN109958652A (en) * | 2019-05-08 | 2019-07-02 | 深圳市得臣实业有限公司 | A kind of oiliness bearing and high life fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1233197A1 (en) * | 2001-02-15 | 2002-08-21 | ROBERT BOSCH GmbH | Sintered plain bearing with several contact areas |
| US6540404B1 (en) * | 1998-09-11 | 2003-04-01 | Robert Bosch Gmbh | Sintered plain bearing for engines and gears |
| CN1446294A (en) * | 2000-08-03 | 2003-10-01 | 格莱西尔·加洛克轴承公司 | Plain bearings |
| CN201934500U (en) * | 2011-01-25 | 2011-08-17 | 无锡市锡泵制造有限公司 | Bearing bush assembling structure of Thordon bearing |
| CN205605641U (en) * | 2016-01-27 | 2016-09-28 | 苏州睿动电气科技有限公司 | Oil -containing bearing |
-
2016
- 2016-01-27 CN CN201610053361.1A patent/CN105545943A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6540404B1 (en) * | 1998-09-11 | 2003-04-01 | Robert Bosch Gmbh | Sintered plain bearing for engines and gears |
| CN1446294A (en) * | 2000-08-03 | 2003-10-01 | 格莱西尔·加洛克轴承公司 | Plain bearings |
| EP1233197A1 (en) * | 2001-02-15 | 2002-08-21 | ROBERT BOSCH GmbH | Sintered plain bearing with several contact areas |
| CN201934500U (en) * | 2011-01-25 | 2011-08-17 | 无锡市锡泵制造有限公司 | Bearing bush assembling structure of Thordon bearing |
| CN205605641U (en) * | 2016-01-27 | 2016-09-28 | 苏州睿动电气科技有限公司 | Oil -containing bearing |
Non-Patent Citations (1)
| Title |
|---|
| 宗望远: "《机械设计》", 31 August 2015 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204405A (en) * | 2016-12-16 | 2018-06-26 | 通用电气公司 | For the bearing of journals of axis |
| CN108204405B (en) * | 2016-12-16 | 2021-05-07 | 爱尔派美国竞标公司 | Journal bearing for shaft |
| CN109958652A (en) * | 2019-05-08 | 2019-07-02 | 深圳市得臣实业有限公司 | A kind of oiliness bearing and high life fan |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |