CN208123255U - A kind of ceramic bearing - Google Patents
A kind of ceramic bearing Download PDFInfo
- Publication number
- CN208123255U CN208123255U CN201820209659.1U CN201820209659U CN208123255U CN 208123255 U CN208123255 U CN 208123255U CN 201820209659 U CN201820209659 U CN 201820209659U CN 208123255 U CN208123255 U CN 208123255U
- Authority
- CN
- China
- Prior art keywords
- ring
- outer ring
- inner ring
- intermediate region
- ceramic 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of ceramic bearing, belong to technical field of bearings, including outer ring and inner ring, inner ring is embedded in outer ring, the inner hole intermediate region of outer ring is in the spherical surface towards central spindle protrusion, the intermediate region of inner ring lateral surface is in the spherical surface being recessed towards central spindle, and the intermediate region spherical surface inner sleeve of inner ring lateral surface is embedded with graphite annulus, and outer ring inner hole intermediate region and graphite annulus on the outside of abut against, and the outside of inner ring is equipped with several heat dissipating rings being interconnected and be open towards outer ring, the utility model structure is simple, and wearability and stability are preferable.
Description
Technical field
The utility model belongs to technical field of bearings, and in particular to a kind of ceramic bearing.
Background technique
Bearing has the sliding bearing and bearing steel rolling bearing of powder metallurgy at present：Sliding bearing has that structure is simple, valence
The low advantage of lattice, but performance is also poor；Rolling bearing has performance excellent but the characteristics of structure is complicated, in recent years, in order to improve the axis of rolling
The wear resistance held, using the ball or lasso of ceramic material.Although improving performance, since manufacturing cost is also substantially improved
, economy has dropped.
A kind of ceramic bearing of patent (notification number is 202867548 U of CN), including outer ring and inner ring, the inner ring are nested
In outer ring, the inner hole of the outer ring is in anti-spherical surface, and the lateral surface of the inner ring is the conical surface, and the inclination angle of the conical surface is 5~
10 °, the inner hole centreline of the outer ring is contacted with the neutral conductor in the outside of the inner ring.Although the manufacturing cost of this ceramic bearing
It is lower, but wearability and stability are more insufficient.
Utility model content
The purpose of the utility model is to provide a kind of ceramic bearings, and structure is simple, and wearability and stability are preferable.
The utility model provides the following technical solution：
A kind of ceramic bearing, including outer ring and inner ring, inner ring are embedded in outer ring, and the inner hole intermediate region of outer ring is in direction
The spherical surface of central spindle protrusion, the intermediate region of inner ring lateral surface are in the spherical surface being recessed towards central spindle, and the middle area of inner ring lateral surface
Domain spherical surface inner sleeve is embedded with graphite annulus, and abuts against on the outside of the intermediate region of outer ring inner hole and graphite annulus, and set on the outside of inner ring
There are several heat dissipating rings being interconnected and be open towards outer ring.
Preferably, the two sides of inner ring lateral surface are inlayed respectively is fixed with first annular sealing block, and the two of the medial surface of outer ring
Side is inlayed respectively is fixed with the second ring packing block, and first annular sealing block is oppositely arranged with the second ring packing block, so that
It can not only to have the effect of between inner ring and outer ring certain dust-proof, but also can increase certain between inner ring and outer ring
Contact area so that the two contact stability and wearability increase.
Preferably, first annular sealing block is mutually abutted with the second ring packing block, and first annular sealing block and second
It is equipped with lubricant layer on the side side that ring packing block abuts against, allows to increasing wearability between inner ring and outer ring
On the basis of, additionally it is possible to increase the lubricity of the two.
Preferably, lubricant layer is paraffinic base lubricant layer.
Preferably, the material of outer ring, inner ring, first annular sealing block and the second ring packing block is self-lubrication ceramic material
Material.
Preferably, self-lubricating ceramic material is silica or aluminium oxide.
The utility model has the beneficial effects that：By by the intermediate region of outer ring inner hole be arranged towards central spindle protrusion
The intermediate region of inner ring lateral surface is arranged towards the spherical surface of central spindle recess by spherical surface, and by the centre of inner ring lateral surface
Be nested graphite annulus in the spherical surface of region so that the intermediate region spherical surface of outer ring inner hole by way of being in contact with graphite annulus indirectly with
The lateral surface of inner ring abuts against, come have the function that not only to reduce friction again it is easy to process with can bear axial force, and due to inside
The outside of circle is equipped with several heat dissipating rings being mutually communicated, so that the heat that friction generates is discharged in time.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Label in figure：10 be outer ring, and 20 be inner ring, and 30 be graphite annulus, and 40 be heat dissipating ring, and 50 be first annular sealing
Block, 60 be the second ring packing block.
Specific embodiment
In conjunction with a kind of Fig. 1 to ceramic bearing shown in Fig. 2, in the present embodiment, including outer ring 10 and inner ring 20, inner ring 20
It is embedded in outer ring 10, the inner hole intermediate region of outer ring 10 is in the spherical surface towards central spindle protrusion, the middle area of 20 lateral surface of inner ring
Domain is in the spherical surface being recessed towards central spindle, and the intermediate region spherical surface inner sleeve of 20 lateral surface of inner ring is embedded with graphite annulus 30, and outer ring 10
The intermediate region of inner hole and the outside of graphite annulus 30 abut against, and the outside of inner ring 20 is equipped with several interconnected and opening direction
The heat dissipating ring 40 of outer ring, the two sides of 20 lateral surface of inner ring are inlayed respectively is fixed with first annular sealing block 50, the inside of outer ring 10
The two sides in face are inlayed respectively is fixed with the second ring packing block 60, and first annular sealing block 50 and 60 phase of the second ring packing block
To setting so that can not only to have the effect of between inner ring 20 and outer ring 10 it is certain dust-proof, but also in capable of increasing
Certain contact area between circle 20 and outer ring 10, so that the stability and wearability of the two contact increase, the first ring
Shape sealing block 50 is mutually abutted with the second ring packing block 60, and first annular sealing block 50 offsets with the second ring packing block 60
It is equipped with lubricant layer on the side side connect, is allowed on the basis of increasing wearability between inner ring 20 and outer ring 10, also
The lubricity that both can increase, lubricant layer are paraffinic base lubricant layer, outer ring 10, inner ring 20, first annular sealing block 50 and
The material of second ring packing block 60 is self-lubricating ceramic material, and self-lubricating ceramic material is silica or aluminium oxide.
The utility model has the beneficial effects that：By the way that the intermediate region of 10 inner hole of outer ring is arranged towards central spindle protrusion
Spherical surface, the intermediate region of 20 lateral surface of inner ring is arranged towards to the spherical surface of central spindle recess, and by 20 lateral surface of inner ring
Intermediate region spherical surface in be nested graphite annulus 30 so that the intermediate region spherical surface of 10 inner hole of outer ring with graphite annulus 30 by connecting
Lateral surface of the mode of touching indirectly with inner ring 20 abuts against, come reach not only reduce friction again it is easy to process with can bear axial force
Effect, and due to being equipped with several heat dissipating rings 40 being mutually communicated in the outside of inner ring 20, so that the heat that friction generates is arranged in time
Out.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments, or divides technical characteristic equally to be replaced in in-between region
It changes.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of utility model.
Claims (6)
1. a kind of ceramic bearing, which is characterized in that including outer ring and inner ring, the inner ring is embedded in the outer ring, described outer
The intermediate region of inner hole is enclosed in the spherical surface towards central spindle protrusion, the intermediate region of the inner ring lateral surface is in be recessed towards central spindle
Spherical surface, and the intermediate region spherical surface inner sleeve of the inner ring lateral surface be embedded with graphite annulus, and the intermediate region of the outer ring inner hole with
It is abutted against on the outside of the graphite annulus, and the outside of the inner ring is equipped with several interconnected and the dissipating towards the outer ring that be open
Hot ring.
2. a kind of ceramic bearing according to claim 1, which is characterized in that inlay respectively the two sides of the inner ring lateral surface
It is fixed with first annular sealing block, the two sides of the medial surface of the outer ring are inlayed respectively is fixed with the second ring packing block, and institute
First annular sealing block is stated to be oppositely arranged with the second ring packing block.
3. a kind of ceramic bearing according to claim 2, which is characterized in that the first annular sealing block and described second
Ring packing block mutually abuts, and on the side side that abuts against of the first annular sealing block and the second ring packing block
It is equipped with lubricant layer.
4. a kind of ceramic bearing according to claim 3, which is characterized in that the lubricant layer is paraffinic base lubricant layer.
5. a kind of ceramic bearing according to claim 2, which is characterized in that the outer ring, the inner ring, first ring
The material of shape sealing block and the second ring packing block is self-lubricating ceramic material.
6. a kind of ceramic bearing according to claim 5, which is characterized in that the self-lubricating ceramic material be silica or
Aluminium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209659.1U CN208123255U (en) | 2018-02-07 | 2018-02-07 | A kind of ceramic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209659.1U CN208123255U (en) | 2018-02-07 | 2018-02-07 | A kind of ceramic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208123255U true CN208123255U (en) | 2018-11-20 |
Family
ID=64207142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209659.1U Expired - Fee Related CN208123255U (en) | 2018-02-07 | 2018-02-07 | A kind of ceramic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208123255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173506A (en) * | 2019-05-30 | 2019-08-27 | 沈阳建筑大学 | For high temperature, perishable, under oxidizable working environment full ceramic articulation bearing |
| CN110259823A (en) * | 2019-06-21 | 2019-09-20 | 沈阳建筑大学 | A kind of high-accuracy ceramics mixing oscillating bearing storing lubricating oil |
-
2018
- 2018-02-07 CN CN201820209659.1U patent/CN208123255U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173506A (en) * | 2019-05-30 | 2019-08-27 | 沈阳建筑大学 | For high temperature, perishable, under oxidizable working environment full ceramic articulation bearing |
| CN110259823A (en) * | 2019-06-21 | 2019-09-20 | 沈阳建筑大学 | A kind of high-accuracy ceramics mixing oscillating bearing storing lubricating oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20220207 |