CN207514071U - Precision bearing - Google Patents
Precision bearing Download PDFInfo
- Publication number
- CN207514071U CN207514071U CN201721649110.6U CN201721649110U CN207514071U CN 207514071 U CN207514071 U CN 207514071U CN 201721649110 U CN201721649110 U CN 201721649110U CN 207514071 U CN207514071 U CN 207514071U
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- China
- Prior art keywords
- inner ring
- ring
- rings
- ball grooves
- semi
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- Expired - Fee Related
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- 238000012423 maintenance Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of precision bearings, wherein, the precision bearing includes outer ring, inner ring and the ball between the outer ring and the inner ring, the first ball grooves are offered on the inner surface of the outer ring, the second ball grooves are offered on the outer surface of the inner ring, the outer ring includes the first semi outer rings, the second semi outer rings and the first connector for connecting first semi outer rings and second semi outer rings, and first ball grooves are formed by the split of first semi outer rings and second semi outer rings；The inner ring includes the second connector of the first half inner rings, the second half inner rings and connection the first half inner ring and the second half inner ring, and second ball grooves are formed by the split of the first half inner ring and the second half inner ring.The utility model precision bearing improves precision and service life, and easy maintenance and replacement.
Description
Technical field
The utility model is related to component of machine field more particularly to a kind of precision bearings.
Background technology
Bearing is that component that is fixed and reducing load friction coefficient is played in mechanical transmission course.It may also be said that when other
Parts when generating relative motion each other on axis, for reducing friction coefficient and the holding shaft center in power transmission process
Fixed parts.Bearing is a kind of very important parts in contemporary mechanical equipment.Its major function is support machinery rotation
Swivel, to reduce mechanical load friction coefficient of the equipment in transmission process.However, existing bearing accuracy is to be improved,
Service life is limited, and is not easy to repair.
Utility model content
The main purpose of the utility model is that provide a kind of precision bearing, it is intended to improve precision and service life, and facilitate dimension
It repaiies and replaces.
To achieve the above object, the utility model provides a kind of precision bearing, including outer ring, inner ring and set on described outer
Enclose the ball between the inner ring, the first ball grooves are offered on the inner surface of the outer ring, on the outer surface of the inner ring
The second ball grooves are offered, the outer ring includes the first semi outer rings, the second semi outer rings and connection first semi outer rings and institute
State the first connector of the second semi outer rings, the spelling that first ball grooves pass through first semi outer rings and second semi outer rings
It closes and is formed；The inner ring includes the first half inner rings, the second half inner rings and connection the first half inner ring and described the second half
Second connector of inner ring, second ball grooves are by the split of the first half inner ring and the second half inner ring and shape
Into.
Preferably, the contact of the outer surface of the inner surface of the outer ring and the inner ring or interval.
Preferably, the both sides of the first ball grooves on the inner surface of the outer ring are equipped with annular protrusion；Outside the inner ring
The both sides of the second ball grooves on surface are equipped with annular groove；The annular protrusion coordinates with the annular groove.
Preferably, the both sides of the first ball grooves on the inner surface of the outer ring are equipped with annular groove；Outside the inner ring
The both sides of the second ball grooves on surface are equipped with annular protrusion；The annular protrusion coordinates with the annular groove.
Preferably, the side of the first ball grooves on the inner surface of the outer ring is equipped with annular protrusion, and opposite side is equipped with ring
Connected in star；The side of the second ball grooves on the outer surface of the inner ring is equipped with annular groove, and opposite side is equipped with annular protrusion；Institute
Annular protrusion is stated with the annular groove to coordinate.
Preferably, the annular protrusion is contacted or is spaced with the annular groove.
Preferably, first connector and second connector are screw.
First semi outer rings and the second semi outer rings are spliced into outer ring by technical solutions of the utility model by the first connector,
And pass through the second connector and the first half inner rings and the second half inner rings are spliced into inner ring, it can individually process in semi outer rings and half
Circle, machining accuracy higher, difficulty of processing reduce, and then improve the precision of bearing；Meanwhile it is easy to disassemble and install, also favorably
In repair and replace.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the sectional view of the utility model precision bearing first embodiment；
Fig. 2 is the sectional view of the utility model precision bearing second embodiment；
Fig. 3 is the sectional view of the utility model precision bearing 3rd embodiment.
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, it and cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose
It solves to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present with reference to there is conflicting or can not realize when, also not in the utility model
It is required that protection domain within.
The utility model provides a kind of precision bearing, please refers to Fig. 1, and in the first embodiment, which includes outer
1, inner ring 2 and the ball 3 between outer ring 1 and inner ring 2 are enclosed, the first ball grooves, inner ring are offered on the inner surface of outer ring 1
The second ball grooves are offered on 2 outer surface, ball 3 moves in the first ball grooves and the second ball grooves.Outer ring 1 includes first
Semi outer rings 10, the second semi outer rings 12 and the first connector 4 of the first semi outer rings 10 of connection and the second semi outer rings 12, the first ball
Slot is formed by the split of the first semi outer rings 10 and the second semi outer rings 12.Inner ring 2 includes the first half inner rings 20, the second half inner rings
22 and the second connector 5 of the first half inner ring 20 of connection and the second half inner rings 22, the second ball grooves pass through the first half inner rings 20
Split with the second half inner rings 22 and formed.
First semi outer rings 10 and the second semi outer rings 12 are spliced into outer ring by the present embodiment precision bearing by the first connector 4
1, and pass through the second connector 5 and the first half inner rings 20 and the second half inner rings 22 are spliced into inner ring 2, it can individually process semi outer rings
With half inner ring, machining accuracy higher, difficulty of processing reduces, and then improves the precision of bearing；Meanwhile it is easy to disassemble and install,
It is also beneficial to repair and replace.
In the present embodiment, further, the appearance face interval of the inner surface of outer ring 1 and inner ring 2.
Due to the appearance face interval of the inner surface and inner ring 2 of outer ring 1, can be contacted to avoid outer ring 1 and inner ring 2, reduction rubs
It wipes.In the other embodiment of the utility model, the outer surface contact of the inner surface and inner ring 2 of outer ring 1, so as to wrap completely
Ball 3 is wrapped up in, avoids ball 3 exposed, prevents dust from being contacted with ball 3.
In the present embodiment, further, the first connector 4 and the second connector 5 are screw.
First connector 4 enters the second semi outer rings 12 through the first semi outer rings 10, and is connected through a screw thread and is fixedly connected
The two；Second connector 5 enters the first half inner rings 20 through the second half inner rings 22, and is connected through a screw thread and is fixedly connected with two
Person；Screw connecting structure is simple, easy to disassemble and install.
In the present embodiment, further, the first connector 4 and the second connector 5 are at least three, and in circumference side
To being uniformly distributed, it can so ensure the stability of connection.
Fig. 2 is please referred to, Fig. 2 is the sectional view of the utility model precision bearing second embodiment.The present embodiment is above-mentioned
On the basis of one embodiment, following improvement has been made：
In the present embodiment, further, the both sides of the first ball grooves on the inner surface of outer ring 1 are equipped with annular groove
14.The both sides of the second ball grooves on the outer surface of inner ring 2 are equipped with annular protrusion 24.Annular protrusion 24 is matched with annular groove 14
It closes.
Annular protrusion 24 and annular groove 14 are arranged on the both sides of ball 3, and annular protrusion 24 and annular groove 14 coordinate,
It can be entered in the first ball grooves and the second ball grooves with blocks dust.
In the present embodiment, further, annular protrusion 24 is spaced with annular groove 14.
Since annular protrusion 24 and annular groove 14 are spaced, friction can be equally reduced, reduces the resistance of rotation.In this reality
With in novel other embodiment, annular protrusion 24 is contacted with annular groove 14, further improves the effect for preventing dust.
Fig. 3 is please referred to, Fig. 3 is the sectional view of the utility model precision bearing 3rd embodiment.The present embodiment is above-mentioned
Two embodiments the difference lies in：
The both sides of the first ball grooves on the inner surface of outer ring 1 are equipped with annular protrusion 24；Second on the outer surface of inner ring 2
The both sides of ball grooves are equipped with annular groove 14；Annular protrusion 24 coordinates with annular groove 14.
The utility model also provides the fourth embodiment of precision bearing, and with reference to Fig. 2 or Fig. 3, the present embodiment is above-mentioned second
Embodiment or 3rd embodiment the difference lies in：
The side of the first ball grooves on the inner surface of outer ring 1 is equipped with annular protrusion 24, and opposite side is equipped with annular groove 14；
The side of the second ball grooves on the outer surface of inner ring 2 is equipped with annular groove 14, and opposite side is equipped with annular protrusion 24；Annular protrusion
24 coordinate with annular groove 14.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of precision bearing, including outer ring, inner ring and the ball between the outer ring and the inner ring, the outer ring
Inner surface on offer the first ball grooves, the second ball grooves are offered on the outer surface of the inner ring, which is characterized in that
The outer ring includes the first semi outer rings, the second semi outer rings and connects first semi outer rings and second semi outer rings
First connector, first ball grooves are formed by the split of first semi outer rings and second semi outer rings；
The inner ring includes the first half inner rings, the second half inner rings and connection the first half inner ring and the second half inner ring
Second connector, second ball grooves are formed by the split of the first half inner ring and the second half inner ring.
2. precision bearing as described in claim 1, which is characterized in that the outer surface of the inner surface of the outer ring and the inner ring
Contact or interval.
3. precision bearing as described in claim 1, which is characterized in that
The both sides of the first ball grooves on the inner surface of the outer ring are equipped with annular protrusion；
The both sides of the second ball grooves on the outer surface of the inner ring are equipped with annular groove；
The annular protrusion coordinates with the annular groove.
4. precision bearing as described in claim 1, which is characterized in that
The both sides of the first ball grooves on the inner surface of the outer ring are equipped with annular groove；
The both sides of the second ball grooves on the outer surface of the inner ring are equipped with annular protrusion；
The annular protrusion coordinates with the annular groove.
5. precision bearing as described in claim 1, which is characterized in that
The side of the first ball grooves on the inner surface of the outer ring is equipped with annular protrusion, and opposite side is equipped with annular groove；
The side of the second ball grooves on the outer surface of the inner ring is equipped with annular groove, and opposite side is equipped with annular protrusion；
The annular protrusion coordinates with the annular groove.
6. the precision bearing as described in claim 3,4 or 5, which is characterized in that the annular protrusion connects with the annular groove
It touches or is spaced.
7. precision bearing as described in claim 1, which is characterized in that first connector and second connector are
Screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649110.6U CN207514071U (en) | 2017-11-30 | 2017-11-30 | Precision bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649110.6U CN207514071U (en) | 2017-11-30 | 2017-11-30 | Precision bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514071U true CN207514071U (en) | 2018-06-19 |
Family
ID=62542753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649110.6U Expired - Fee Related CN207514071U (en) | 2017-11-30 | 2017-11-30 | Precision bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030961A (en) * | 2022-07-25 | 2022-09-09 | 烟台智远机械有限公司 | Combined bearing seat |
-
2017
- 2017-11-30 CN CN201721649110.6U patent/CN207514071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030961A (en) * | 2022-07-25 | 2022-09-09 | 烟台智远机械有限公司 | Combined bearing seat |
| CN115030961B (en) * | 2022-07-25 | 2022-11-01 | 烟台智远机械有限公司 | Combined bearing pedestal |
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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 |
Granted publication date: 20180619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |