CN202327600U - Rolling bearing and lubrication mechanism thereof - Google Patents
Rolling bearing and lubrication mechanism thereof Download PDFInfo
- Publication number
- CN202327600U CN202327600U CN201120479317XU CN201120479317U CN202327600U CN 202327600 U CN202327600 U CN 202327600U CN 201120479317X U CN201120479317X U CN 201120479317XU CN 201120479317 U CN201120479317 U CN 201120479317U CN 202327600 U CN202327600 U CN 202327600U
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- grease
- bearing
- chamber
- rolling bearing
- lubrication
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Abstract
The utility model discloses a lubrication mechanism of a rolling bearing, which comprises an inner grease storage cavity (11) and an outer grease storage cavity (12), wherein the inner grease storage cavity (11) is defined by the inner end surface (21) of the rolling bearing and the inner cover (9) of the bearing, and the outer grease storage cavity (12) is defined by the outer end surface (22) of the rolling bearing (2) and the outer cover (3) of the bearing. The lubrication mechanism of the rolling bearing also comprises a baffle arranged in the outer grease storage cavity, wherein the baffle divides the outer grease storage cavity into a new grease cavity (122) near an outer end surface and a waste grease cavity (121) far away from the outer end surface; and the baffle is provided with a grease discharging hole for communicating the new grease cavity and the waste grease cavity. Therefore, the waste grease and the new grease can be separated in time by the lubrication mechanism to prevent the waste grease and the new grease from being mixed to participate in lubrication again, and therefore impurities in the waste grease are prevented from abrading a rolling ball. The lubrication effect of lubricating grease is guaranteed so as to prolong the service life of the rolling bearing. The utility model also discloses a rolling bearing comprising the lubrication mechanism.
Description
Technical field
The utility model relates to bearing manufacturing technology field, particularly a kind of Lubrication of Rolling Contact Bearing mechanism that is used for.The utility model also relates to a kind of rolling bearing that comprises above-mentioned lubricating structure.
Background technique
Along with the continuous development of dynamo-electric industry, various motors are applied to the every field of productive life more and more widely.
In motor, need use a lot of bearings, mostly the bearing that common asynchronous moter is used is rolling bearing.Rolling bearing comprises outer ring, inner ring and ball, and wherein, inner ring matches with rotating shaft and rotates with rotating shaft, and matching with fixing bearing support in the outer ring, plays a supportive role, and ball is evenly distributed between inner ring and the outer ring by means of retainer.
Because rolling bearing is that inner ring rotates, the outer ring is fixedly coupled part, ball need bear bigger frictional force in its working procedure, and in order to reduce the ball wearing and tearing, Lubrication of Rolling Contact Bearing mechanism just becomes indispensable important component part.
Existing rolling bearing adopts the mode of grease lubrication more, and its lubricating structure comprises promptly interior grease storing chamber of two depot fat cavitys and outer grease storing chamber.The inner ring of rolling bearing is fixed in the rotating shaft, and axially locating is carried out through inner oil seal and back-up ring respectively in both sides, grease storing chamber in internal bearing cover and inner oil seal etc. form; The outer ring of rolling bearing is installed in the bearing chamber of end cap, and both sides seal and axially locating through interior outer bearing cover respectively, and bearing end cover and back-up ring etc. form outer grease storing chamber.Offer oilhole on the end cap, an end of oilhole is communicated in interior grease storing chamber, and lubricating grease rolls through oilhole filling to interior grease storing chamber; In dynamic bearing when work, constantly be expressed to outer grease storing chamber with the lubricating grease of interior grease storing chamber; Simultaneously, the waste oil that produces is got rid of to outer grease storing chamber, outer grease storing chamber is when storing from new grease that interior grease storing chamber extruding comes; Also can store the waste oil that lubricated back produces, need open bearing waste oil is discharged.
But owing to can't often dismantle bearing, waste oil can't in time be discharged; Waste oil mixes with new grease also participates in the lubricated of bearing ball again; And the impurity in the waste oil is easy to scratch ball, and simultaneously, waste oil can reduce the lubrication effect of lubricating grease greatly; Cause bearing wear, thereby shortened the working life of bearing.
Therefore, how in time to discharge the waste oil that produces in the rolling bearing, it is lubricated to avoid waste oil and new grease to mix also participation again, in the working life of improving rolling bearing, just becomes the problem that those skilled in the art need solve.
The model utility content
The purpose of the utility model provides a kind of Lubrication of Rolling Contact Bearing mechanism, and it can in time discharge the waste oil that produces in the rolling bearing, avoided waste oil to mix with new grease and again participation lubricate, thereby the working life of having improved rolling bearing.Another purpose of the utility model provides a kind of rolling bearing that comprises above-mentioned lubricating structure.
For solving the problems of the technologies described above; The utility model provides a kind of Lubrication of Rolling Contact Bearing mechanism; Grease storing chamber and outer grease storing chamber in comprising, said interior grease storing chamber is surrounded by interior edge face, the internal bearing cover of said rolling bearing, and said outer depot fat chamber is surrounded by exterior edge face, the bearing end cover of said rolling bearing; Also comprise the dividing plate that is arranged in the said outer grease storing chamber, said dividing plate is separated into said outer grease storing chamber near the new fat chamber of said exterior edge face with away from the degras chamber of said exterior edge face; Offer the row's fat hole that is communicated with said new fat chamber and said degras chamber on the said dividing plate.
Preferably, said dividing plate is along the radially setting of said rolling bearing, and upwards extends a week in the week of said rolling bearing.
Preferably, said dividing plate comprises pressing plate and regulator, and said row's fat hole is opened on the said pressing plate, and said pressing plate and said regulator have predetermined axial distance.
Preferably, said regulator is fixed in the rotating shaft that said rolling bearing is installed, and with its base abuts in said exterior edge face.
Preferably, said regulator offers internal thread, and said rotating shaft offers the outside thread with said internal thread coupling, and said regulator is screwed together in said rotating shaft.
Preferably, said regulator is installed on said rotating shaft through screw.
Preferably, the number of said screw is a plurality of, and each said screw circumferentially evenly arranging along said rotating shaft.
Preferably, said pressing plate is fixed in said bearing end cover, and is resisted against said exterior edge face with its top.
Preferably, said pressing plate is the conical surface towards the surface of said exterior edge face.
The utility model also provides a kind of rolling bearing, comprises that the said lubricating structure of lubricating structure is aforesaid lubricating structure.
Lubricating structure that the utility model provides is used for rolling bearing, grease storing chamber and outer grease storing chamber in this lubricating structure comprises, and wherein, interior grease storing chamber is surrounded by interior edge face, the internal bearing cover of rolling bearing, and outer depot fat chamber is surrounded by exterior edge face, the bearing end cover of rolling bearing; This lubricating structure also comprises the dividing plate that is arranged in the outer grease storing chamber, and dividing plate is separated into outer grease storing chamber near the new fat chamber of said exterior edge face with away from the degras chamber of said exterior edge face, offers the row's fat hole that is communicated with new fat chamber and degras chamber on the dividing plate.
In the working procedure of rolling bearing; New lubricating grease outside interior grease storing chamber is squeezed to the grease storing chamber is stored in the new fat chamber; And because newly the fat chamber is near the exterior edge face of rolling bearing, in follow-up work, the new grease in the new fat chamber can participate in the lubricating of bearing and go; And the discarded grease that bearing working produces is thrown out of, and the lubricating grease that throws away has certain speed, and under the drive of this speed, is able to motion, stores thereby make waste oil enter into the degras chamber through the row's fat hole on the dividing plate.Like this; This lubricating structure can in time separate waste oil with new grease, avoided waste oil to mix with new grease and also participated in again lubricating, thereby avoided the impurity wearing and tearing ball in the waste oil; And guaranteed the lubrication effect of lubricating grease, and then improved the working life of rolling bearing.
In a kind of embodiment, the regulator of the lubricating structure that the utility model provided is fixed in the rotating shaft, and this rotating shaft is the rotating shaft that rolling bearing is installed, and with the base abuts of regulator in the exterior edge face; Through the axially locating of regulator realization rolling bearing, saved independently positioning device of rolling bearing, simplified the structure of rolling bearing, make that also the structure of rolling bearing is compact more.
In another kind of embodiment; The surface of the pressing plate outward end face that the utility model provided is the conical surface, and when waste oil threw away, the leading role of the conical surface through pressing plate got into the degras chamber better; The waste oil of avoiding throwing away is deposited in the regulator surface, has improved the performance of lubricating structure.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of lubricating structure that the utility model provided.
Embodiment
The core of the utility model provides a kind of Lubrication of Rolling Contact Bearing mechanism, and it can in time discharge the waste oil that produces in the rolling bearing, avoided waste oil to mix with new grease and again participation lubricate, thereby the working life of having improved rolling bearing.Another core of the utility model provides a kind of rolling bearing that comprises above-mentioned lubricating structure.
In order to make those skilled in the art person understand the technological scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of embodiment of lubricating structure that the utility model provided.
In a kind of embodiment; The lubricating structure that the utility model provided is used for rolling bearing; Grease storing chamber 11 and outer grease storing chamber 12 in this lubricating structure comprises, wherein, interior grease storing chamber 11 is surrounded by interior edge face 21, the internal bearing cover 9 of rolling bearing 2; Outer depot fat chamber is surrounded by exterior edge face 22, the bearing end cover 3 of rolling bearing 2; The lubricating grease of outside oil sources through be opened in oilhole on the end cap bearing chamber get in grease storing chamber 11, and the rotation through bearing partly is squeezed to the lubricating grease in the interior grease storing chamber 11 in the outer grease storing chamber 12; This lubricating structure also comprises dividing plate, and this dividing plate is arranged in the outer grease storing chamber 12, and outer grease storing chamber 12 is separated into new fat chamber 122 and degras chamber 121; Wherein, New fat chamber 122 is used to store the new lubricating grease that comes from interior grease storing chamber 11 extruding near the exterior edge face 22 of rolling bearing 2 in greasing, degras chamber 121 is away from the exterior edge face 22 of rolling bearing 2; In greasing, be used to store the discarded lubricating grease that throws away, offer the row's fat hole that is communicated with new fat chamber 122 and degras chamber 121 on the dividing plate.
The position is set satisfies of row fat hole, when waste oil threw away, its angle that throws away should be able to be through row's fat hole.The size in row's fat hole should be suitable, crosses conference and cause waste oil to reflux, and the too small waste oil that can cause is again discharged not exclusively.The particular location in row fat hole and size should be definite according to operating modes such as the model of rolling bearing and rotational velocity, do not do qualification at this.
Above-mentioned row's fat hole can be circular port, but also is not limited to circular hole, also can be bar hole etc.
In order to improve the ability that rolling bearing stores waste oil; Store the space in the degras chamber 121 of waste oil can be suitably greater than the new space in fat chamber 122; Apparently; Also be not limited to the space of the space in degras chamber 121 greater than new fat chamber 122, both spaces can equate that perhaps the space in degras chamber 121 is less than the space in new fat chamber 122.
In the working procedure of rolling bearing; New lubricating grease outside interior grease storing chamber 11 is squeezed to the grease storing chamber 12 is stored in the new fat chamber 122; And because new fat chamber 122 is near the exterior edge face 22 of rolling bearing 2; In follow-up work, the new grease in the new fat chamber 122 can participate in the lubricating of bearing and go; And the discarded grease that bearing working produces is thrown out of, and the lubricating grease that throws away has certain speed, and under the drive of this speed, is able to motion, stores thereby make waste oil enter into degras chamber 121 through the row's fat hole on the dividing plate.Like this; This lubricating structure can in time separate waste oil with new grease, avoided waste oil to mix with new grease and also participated in again lubricating, thereby avoided the impurity wearing and tearing ball in the waste oil; And guaranteed the lubrication effect of lubricating grease, and then improved the working life of rolling bearing.
Dividing plate can be along the radially setting of rolling bearing 2, and upwards extends a week in the week of rolling bearing 2, and like this, dividing plate can be entire plate, processes comparatively simple.Dividing plate can be not yet rolling bearing 2 axially on extend a week, but outer grease storing chamber 12 is separated into a plurality of discrete degras chamber 121 through radial and axial polylith dividing plate.
Dividing plate is not limited to overall structure, also can be other concrete forms.For example, dividing plate can comprise pressing plate 4 and regulator 5, and row's fat hole is opened on the pressing plate 4, and pressing plate 4 has predetermined axial distance with regulator 5, and this structure can be convenient in the discharge of waste oil.
The regulator 5 of lubricating structure can be fixed in the rotating shaft 7, and this rotating shaft 7 is that the rotating shaft of rolling bearing 27 is installed, and with the base abuts of regulator 5 in the exterior edge face 22; Through the axially locating of regulator 5 realization rolling bearings 2, saved independently positioning device of rolling bearing, simplified the structure of rolling bearing, make that also the structure of rolling bearing is compact more.
Regulator 5 can be fixedly connected through the mode that is threaded with rotating shaft 7 removably; Particularly, can offer internal thread, offer outside thread in the outer ring of rotating shaft 7 at the inner ring of regulator 5; Outside thread in internal thread on the regulator 5 and the rotating shaft 7 is complementary, and regulator 5 is screwed together in rotating shaft 7; Through the above-mentioned mode that is threaded, can regulate the position of regulator 5 in rotating shaft 7 axially, thereby regulate the axially locating position of bearing easily, improve the axially locating performance of bearing.
The Placement of regulator 5 and rotating shaft 7 also is not limited to above-mentioned concrete structure, and both can connect through the conventional various fixed connection modes of using in related domain, for example, and welding or screw 6 connections etc.
On the above-mentioned basis that is threaded, can also regulator 5 be fixedly installed in the rotating shaft 7 through screw 6, so that improve the connection reliability of regulator 5 and rotating shaft 7.
The number of screw 6 can be for a plurality of, and each screw 6 is along circumferentially evenly the arranging of rotating shaft 7, so that guarantee connection reliability and stressed uniformity.
Apparently, also can obstructedly overregulate the axially locating that device 5 is realized rolling bearing 2, at this moment, can other positioning element, for example oil sealing or back-up ring etc. be set for rolling bearing 2.
Above-mentioned pressing plate 4 can be fixed in bearing end cover 3, and is resisted against exterior edge face 22 with its top, through the axially locating of pressing plate 4 realization bearings, so that save independent positioning means, simplifies the structure of bearing.
Theoretically, realize the bearing location and realize that through pressing plate 4 there is not association between the two in the bearing location that promptly both can realize separately, also can realize simultaneously through regulator 5, whether both realizations are independent of each other.
The surface of pressing plate 4 outward end faces 22 can be the conical surface, and when waste oil threw away, the leading role of the conical surface through pressing plate 4 got into degras chamber 121 better, and the waste oil of avoiding throwing away is deposited in regulator 5 surfaces, has improved the performance of lubricating structure.
Except above-mentioned lubricating structure, the utility model also provides a kind of rolling bearing that comprises above-mentioned lubricating structure, and other each several part structures of this rolling bearing please refer to existing technology, repeat no more at this.
More than a kind of rolling bearing and lubricating structure thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. Lubrication of Rolling Contact Bearing mechanism; Comprise interior grease storing chamber (11) and outer grease storing chamber (12); Grease storing chamber (11) is surrounded by interior edge face (21), the internal bearing cover (9) of said rolling bearing in said, and said outer depot fat chamber is surrounded by exterior edge face (22), the bearing end cover (3) of said rolling bearing (2); It is characterized in that, also comprise the dividing plate that is arranged in the said outer grease storing chamber (12), said dividing plate is separated into said outer grease storing chamber (12) near the new fat chamber (122) of said exterior edge face (22) with away from the degras chamber (121) of said exterior edge face (22); Offer the row's fat hole that is communicated with said new fat chamber (122) and said degras chamber (121) on the said dividing plate.
2. Lubrication of Rolling Contact Bearing according to claim 1 mechanism is characterized in that, said dividing plate is along the radially setting of said rolling bearing (2), and upwards extends a week in the week of said rolling bearing (2).
3. Lubrication of Rolling Contact Bearing according to claim 2 mechanism is characterized in that said dividing plate comprises pressing plate (4) and regulator (5), and said row's fat hole is opened on the said pressing plate (4), and said pressing plate (4) has predetermined axial distance with said regulator (5).
4. Lubrication of Rolling Contact Bearing according to claim 3 mechanism is characterized in that said regulator (5) is fixed in the rotating shaft (7) that said rolling bearing (2) are installed, and with its base abuts in said exterior edge face (22).
5. Lubrication of Rolling Contact Bearing according to claim 4 mechanism is characterized in that said regulator (5) offers internal thread, and said rotating shaft (7) offers the outside thread with said internal thread coupling, and said regulator (5) is screwed together in said rotating shaft (7).
6. Lubrication of Rolling Contact Bearing according to claim 5 mechanism is characterized in that said regulator (5) is fixedly installed in said rotating shaft (7) through screw (6).
7. Lubrication of Rolling Contact Bearing according to claim 6 mechanism is characterized in that the number of said screw (6) is a plurality of, and each said screw (6) circumferentially evenly arranging along said rotating shaft (7).
8. Lubrication of Rolling Contact Bearing according to claim 3 mechanism is characterized in that said pressing plate (4) is fixed in said bearing end cover (3), and is resisted against said exterior edge face (22) with its top.
9. according to each described Lubrication of Rolling Contact Bearing mechanism of claim 3 to 8, it is characterized in that said pressing plate (4) is the conical surface towards the surface of said exterior edge face (22).
10. a rolling bearing comprises lubricating structure, it is characterized in that, said lubricating structure is like each described lubricating structure of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120479317XU CN202327600U (en) | 2011-11-25 | 2011-11-25 | Rolling bearing and lubrication mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120479317XU CN202327600U (en) | 2011-11-25 | 2011-11-25 | Rolling bearing and lubrication mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327600U true CN202327600U (en) | 2012-07-11 |
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ID=46439581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120479317XU Expired - Lifetime CN202327600U (en) | 2011-11-25 | 2011-11-25 | Rolling bearing and lubrication mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384350A (en) * | 2011-11-25 | 2012-03-21 | 南车株洲电机有限公司 | Rolling bearing and lubricating mechanism thereof |
| CN103016547A (en) * | 2012-12-27 | 2013-04-03 | 南车株洲电机有限公司 | Axial fixing device of bearing |
-
2011
- 2011-11-25 CN CN201120479317XU patent/CN202327600U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384350A (en) * | 2011-11-25 | 2012-03-21 | 南车株洲电机有限公司 | Rolling bearing and lubricating mechanism thereof |
| CN102384350B (en) * | 2011-11-25 | 2015-02-11 | 南车株洲电机有限公司 | Rolling bearing and lubricating mechanism thereof |
| CN103016547A (en) * | 2012-12-27 | 2013-04-03 | 南车株洲电机有限公司 | Axial fixing device of bearing |
| CN103016547B (en) * | 2012-12-27 | 2015-11-04 | 南车株洲电机有限公司 | A kind of bearing axial securing means for impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20150211 |
|
| RGAV | Abandon patent right to avoid regrant |