CN206622617U - The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation - Google Patents
The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation Download PDFInfo
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- CN206622617U CN206622617U CN201720103635.3U CN201720103635U CN206622617U CN 206622617 U CN206622617 U CN 206622617U CN 201720103635 U CN201720103635 U CN 201720103635U CN 206622617 U CN206622617 U CN 206622617U
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- bearing
- projection
- powder metallurgy
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- containing powder
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Abstract
The utility model discloses a kind of cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation, it is in hollow cylindrical that it is overall, in center formed with endoporus, the endoporus perisporium have one it is circumferentially disposed along endoporus and to center protrusion bulge loop, the bearing outer wall is circumferentially spaced to be provided with a plurality of interference projections.Preferably, interference projection includes a plurality of first projections and a plurality of second projections, i.e. described bearing outer wall is circumferentially respectively separated provided with a plurality of first projections and a plurality of second projections by the edge of both ends of the surface, and release groove is equipped with the bearing outer wall between first projection and second projection；Circumferentially spaced on the bearing outer wall to be provided with a plurality of projections it is preferred that the interference projection includes plurality of bump, the opening position corresponding with the projection is provided with release groove inside the bearing annular body.
Description
Technical field
It the utility model is related to a kind of bearing, and in particular to a kind of cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation.
Background technology
At present because cylindricality oil containing powder metallurgy bearing is assembled by the way of interference, so as to cause in bearing assembling process
In, brearing bore easily causes it and deformed because being squeezed, and the deformation of the endoporus can influence the use of bearing, therefore is drop
The deformation extent of low endoporus, in bearing assembling process, shaping is carried out to endoporus using plug.But deformation is not during due to assembling
It is controllable, so as to excessive shaping of the plug to endoporus occur, the probability increase that bearing oil is blocked is then resulted in, is had influence on
The normal precipitation of oil when axle turns round, it is unfavorable for the lubrication of gyroaxis and bearing and then causes frictional dissipation and occur turning round shake
Phenomena such as dynamic and noise.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cylindricality oil containing powder metallurgy axle of anti-Internal Hole Deformation
Hold, realize bearing during interference equipment, the deflection of endoporus reduces as far as possible, ensures that oil can be normal during gyroaxis revolution
Separate out.
To realize above-mentioned technique effect, the utility model discloses a kind of cylindricality oil containing powder metallurgy axle of anti-Internal Hole Deformation
Hold, its its it is overall be in hollow cylindrical, in center formed with endoporus, the endoporus perisporium with one it is circumferentially disposed along endoporus and to
The bulge loop of center protrusion, the bearing outer wall is circumferentially spaced to be provided with a plurality of interference projections.
A kind of improvement of the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation of the utility model is, the interference projection
Including a plurality of first projections and a plurality of second projections, the bearing outer wall leans on the edge of end face is circumferentially spaced to be provided with
A plurality of first projections, the bearing outer wall are circumferentially spaced provided with described a plurality of second by the edge of other end
Projection.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, described
Release groove is equipped with bearing outer wall between one projection and second projection.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, described
One projection and second projection are staggered in the axis direction of bearing.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, it is described to release
The width for putting groove is more than or equal to the width of the bulge loop.
A kind of cylindricality oil containing powder metallurgy bearing of above-mentioned anti-Internal Hole Deformation, is provided with release groove on bearing outer wall, from
And the extruding force to caused by endoporus bulge loop can be discharged into release groove in assembling by the first projection and the second projection, this is avoided to squeeze
Pressure extrudes the bulge loop of endoporus and causes the bulge loop of endoporus to deform, and the setting width of release groove is convex equal to or more than endoporus
The width of ring, it is further ensured that the extruding force that endoporus bulge loop is subject to all can be discharged into release groove, thus reduces bearing mistake
Be full of assembling when endoporus bulge loop deflection.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, the mistake
The projection that is full of includes plurality of bump, and the bearing outer wall is circumferentially spaced to be provided with the plurality of bump, and the projection edge
The direction parallel with the bearing axis is set.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, the axle
The carrier ring shape body interior opening position corresponding with the projection is provided with release groove.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, it is described to release
Put groove to set along the direction parallel with the bearing axis, and run through the bearing.
A kind of anti-Internal Hole Deformation of the utility model cylindricality oil containing powder metallurgy bearing further improvement is that, release groove
The length circumferential along bearing is more than or equal to the projection along the circumferential length of bearing.
A kind of cylindricality oil containing powder metallurgy bearing of above-mentioned anti-Internal Hole Deformation, is set in Bearing inner corresponding to interference projection
Release groove, and the release groove is more than or equal to the projection along the circumferential length of bearing along the circumferential length of bearing, so as to protect
Demonstrate,prove bearing fit tolerance assembling in, the extruding force that interference high spot is subject to all is discharged into release groove, so as to reduce endoporus because
It is squeezed deflection caused by power.
Brief description of the drawings
Fig. 1 is the schematic diagram of the first preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention；
Fig. 2 is the front view of the first preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention；
Fig. 3 faces section view for the first preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention
Figure；
Fig. 4 is the schematic diagram of the second preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention；
Fig. 5 is the front view of the second preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention；
Fig. 6 faces section view for the second preferred embodiment of the cylindricality oil containing powder metallurgy bearing of the anti-Internal Hole Deformation of the present invention
Figure.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model.
As shown in fig.1, in the first preferred embodiment, the utility model provides a kind of cylindricality oil-containing of anti-Internal Hole Deformation
Sintered metal powder bearing 20, it be in hollow cylindrical that it is overall, and in center formed with endoporus 10, the perisporium of endoporus 10 is with one along interior
Hole 10 it is circumferentially disposed and to center protrusion bulge loop 12, the outer wall of bearing 20 is circumferentially spaced to be provided with a plurality of interference projections,
The interference projection includes a plurality of first projections 22 and a plurality of second projections 24, i.e., the described outer wall of bearing 20 leans on the side of end face
A plurality of first projections 22 are arranged at intervals with edge, the outer wall of bearing 20 is arranged at intervals with plural number by the edge of other end
Individual second projection 24, the projection 24 of the first projection 22 and second are staggered in the axial direction of bearing 20, two neighboring
It is interval trough 220 between one projection 22, is interval trough 240 between two neighboring second projection 24, and two neighboring first
Spacing distance between projection 22 is more than or equal to length of second projection 24 along the outer wall circumferential direction of bearing 20, that is, is spaced
Length of the groove 220 along the outer wall circumferential direction of bearing 20 is more than or equal to second projection 24 along the outer wall circumferential direction of bearing 20
Length；Corresponding with this, the spacing distance between two neighboring second projection 24 is more than or equal to first projection 22 along axle
Hold the length of 20 outer wall circumferential directions, i.e., length of the interval trough 240 along the outer wall circumferential direction of bearing 20 is more than or equal to described the
Length of one projection 22 along the outer wall circumferential direction of bearing 20, consequently facilitating with the Making mold cylindricality oil containing powder metallurgy bearing.
With reference to Fig. 2 and Fig. 3, in the bearing 20 between first projection 22 of the outer wall one of bearing 20 circle and second projection 24
Formed with a release groove 30 on outer wall, the position of the release groove 30 is corresponding with the position of the bulge loop 12, it is preferred that the release
The width of groove 30 is more than or equal to the width of the bulge loop 12, i.e. length of the release groove 30 along the direction with the diameter parallel of bearing 20
Degree is more than or equal to length of the bulge loop 12 along the direction with the diameter parallel of bearing 20.
With reference to shown in Fig. 1 and Fig. 3, the bearing in the first preferred embodiment of the invention, in elastic conjunction, the first projection 22
Caused active force is squeezed with the second projection 24 to be delivered on the bulge loop 12 of endoporus 10 and endoporus 10 via bearing 20, by
In the setting of release groove 30 and interval trough 220,240, so that the extruding force being subject on the first projection 22 and the second projection 24
Deformation is discharged into release groove 30 with interval trough 220,240, thus reducing the squeezing action power being delivered in endoporus 10, and then subtract
The deflection of small bulge loop 12, makes bearing reach more preferable effect when in use.It is more than further, since the width of release groove 30 is set
Or the width equal to bulge loop 12, further such that the extruding force being subject on the first projection 22 and the second projection 24 is delivered to endoporus 10
When middle, it is to be delivered on bulge loop 12 at the inclined plane of lower edge, without being delivered on the anchor ring of bulge loop 12, prevents the change of bulge loop 12
Shape.
As shown in fig.4, in the second preferred embodiment, the cylindricality of another anti-Internal Hole Deformation of the utility model contains oil-bound distemper
The metallurgical bearing in end, it is in hollow cylindrical that it is overall, and in center formed with endoporus 40, the perisporium of endoporus 40 has one along endoporus 40
Bulge loop 42 that is circumferentially disposed and being protruded to center, the outer wall of bearing 50 include circumferentially arranged with interference projection, the interference projection
Plurality of bump, i.e., the described outer wall of bearing 50 is circumferentially spaced to be provided with plurality of bump 52, the projection 52 along with bearing 50
The direction extension of diameter parallel, is interval trough 520 between two neighboring projection 52.Preferably, the quantity of projection 52 is arranged to
At least three.With reference to Fig. 6, the opening position corresponding with each projection 52 is released provided with one inside the ring body of the bearing 50
Groove 60, direction extension of the release groove 60 along the diameter parallel with bearing 50 are put, and extends to the two end faces of bearing 50, from
And direction of the release groove 60 along the diameter parallel with bearing 50 is run through bearing 50, i.e., two of the bearing 50 at release groove 60
End connection is set.With reference to Fig. 5, length of the release groove 60 along the outer wall circumferential direction of bearing 50 is more than or equal to the projection 52
Along the length of the outer wall circumferential direction of bearing 50.
With reference to Fig. 4 to Fig. 6, the bearing in the second preferred embodiment of the invention, in elastic conjunction, projection 52 is squeezed
Caused active force is discharged into interval trough 520 and release groove 60 via the ring body of bearing 50, and endoporus is delivered to so as to reduce
Squeezing action power on 40, and then reduce the deflection of endoporus 40 and bulge loop 42, bearing is reached more preferable effect when in use
Fruit.Further, since length of the release groove 60 along the circumferential direction of bearing 50 is more than or equal to the length in the projection 52 circumferentially direction
Degree, so that the radial compression active force being subject at projection 52 is discharged into release groove 60, further reduce endoporus 40 and convex
The deflection of ring 42.
In addition, the bearing in either the first preferred embodiment or the second preferred embodiment, the interval trough that it is set is not
Internal Hole Deformation can be only prevented, the passage connected at bearing two edges can also be formed, makes the both sides for the bearing that assembling completed
Air pressure turns at edge, so that the air pressure balance at bearing two edges.The cylindricality oil containing powder of the anti-Internal Hole Deformation of the present invention is metallurgical
Bearing be squeezed by setting release groove, during by bearing elastic conjunction caused by active force be discharged into release groove, make projection
Deflection be released, thus reduce Internal Hole Deformation possibility, so as to reduce the probability that bearing oil is blocked, make gyroaxis
Oil during revolution in bearing can be separated out normally, ensure the effectively lubricating of bearing during revolution.And the setting of the interval trough also makes dress
Bearing after matching somebody with somebody retains reliable air pressure balance passage.
Claims (10)
- A kind of 1. cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation, it is characterised in that：It is in hollow cylindrical that it is overall, in Formed with endoporus, the endoporus perisporium has one circumferentially disposed along endoporus and to the bulge loop of center protrusion, the bearing outer wall for centre It is circumferentially spaced to be provided with a plurality of interference projections.
- 2. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 1, it is characterised in that：The interference Projection includes a plurality of first projections and a plurality of second projections, and the bearing outer wall is circumferentially spaced by the edge of end face Provided with a plurality of first projections, the bearing outer wall is circumferentially spaced provided with described a plurality of by the edge of other end Second projection.
- 3. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 2, it is characterised in that：Described first A release groove is equipped with bearing outer wall between projection and second projection.
- 4. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 2, it is characterised in that：Described first Projection and second projection are staggered in the circumferential direction of bearing.
- 5. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 3, it is characterised in that：The release The position of groove is corresponding with the position of the bulge loop.
- 6. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 5, it is characterised in that：The release The width of groove is more than or equal to the width of the bulge loop.
- 7. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 1, it is characterised in that：The interference Projection includes plurality of bump, and the bearing outer wall is circumferentially spaced to be provided with the plurality of bump, and the projection along with The parallel direction of the bearing axis is set.
- 8. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 7, it is characterised in that：The bearing The opening position corresponding with the projection is provided with release groove inside ring body.
- 9. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 8, it is characterised in that：The release Groove is set along the direction parallel with the bearing axis, and runs through the bearing.
- 10. the cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation according to claim 8, it is characterised in that：It is described to release Put groove and be more than or equal to the projection along the circumferential length of bearing along the circumferential length of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103635.3U CN206622617U (en) | 2017-01-24 | 2017-01-24 | The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103635.3U CN206622617U (en) | 2017-01-24 | 2017-01-24 | The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206622617U true CN206622617U (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720103635.3U Active CN206622617U (en) | 2017-01-24 | 2017-01-24 | The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation |
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| CN (1) | CN206622617U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735231A (en) * | 2017-01-24 | 2017-05-31 | 上海博邦汽车技术有限公司 | The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation |
| CN111174036A (en) * | 2018-11-13 | 2020-05-19 | 浙江宇视科技有限公司 | Camera base and camera |
-
2017
- 2017-01-24 CN CN201720103635.3U patent/CN206622617U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735231A (en) * | 2017-01-24 | 2017-05-31 | 上海博邦汽车技术有限公司 | The cylindricality oil containing powder metallurgy bearing of anti-Internal Hole Deformation |
| CN106735231B (en) * | 2017-01-24 | 2021-09-28 | 上海博邦汽车技术有限公司 | Cylindrical oil-containing powder metallurgy bearing capable of preventing inner hole from deforming |
| CN111174036A (en) * | 2018-11-13 | 2020-05-19 | 浙江宇视科技有限公司 | Camera base and camera |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Ronghe Inventor before: Yan Guohua Inventor before: Li Xiaoming Inventor before: Lv Wei Inventor before: Hu Hongbo |