CN204357934U - A kind of composite bearing - Google Patents
A kind of composite bearing Download PDFInfo
- Publication number
- CN204357934U CN204357934U CN201420746957.6U CN201420746957U CN204357934U CN 204357934 U CN204357934 U CN 204357934U CN 201420746957 U CN201420746957 U CN 201420746957U CN 204357934 U CN204357934 U CN 204357934U
- Authority
- CN
- China
- Prior art keywords
- ring
- inner ring
- outer ring
- raceway
- ball
- 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
Links
Abstract
A kind of composite bearing, belongs to technical field of bearings, comprises outer ring, the first inner ring and the second inner ring; Described outer ring hollow, and outer ring sleeve is located at the first inner ring and the second inner ring is outside; Described first inner ring is positioned at outer ring left end, and is provided with needle roller between the first inner ring and outer ring; Described second inner ring is positioned at outer ring right-hand member, and is provided with ball between the second inner ring and outer ring; Described first inner ring left end is arranged with the first seal ring; Described first seal ring is arranged between outer ring and the first inner ring; Described second inner ring right-hand member is arranged with the second seal ring; Described second seal ring is arranged between outer ring and the second inner ring; Described first inner ring and the second inner ring have identical internal diameter.This composite bearing, while bearing higher radial load, can also bear certain thrust load.Further, even if major axis produces certain bending, this bearing still can normally work, and overcomes the restriction that single needle bearing is higher to axial concentricity requirement.
Description
Technical field
The utility model belongs to technical field of bearings, is particularly related to a kind of composite bearing.
Background technique
Needle bearing, be the roller bearing of band cylindrical roller, its compact structure volume is little, and running accuracy is high, can bear certain axial load while high radial load very much bearing.Needle bearing is applied to major axis class machinery, under needle bearing is in high pressure conditions, Internal and external cycle is difficult to keep concentricity, makes needle bearing that card easily occur and times, thus affect the normal operation of machine.
Therefore, be necessary to research and develop a kind of bearing being applicable to major axis, the deflection of Internal and external cycle in the reasonable scope can be adapted to.
Model utility content
The purpose of this utility model is to overcome the above-mentioned defect mentioned and deficiency, and provides a kind of composite bearing.
The technological scheme that the utility model realizes the employing of its object is as follows.
A kind of composite bearing, comprises outer ring, the first inner ring and the second inner ring; Described outer ring hollow, and outer ring sleeve is located at the first inner ring and the second inner ring is outside; Described first inner ring is positioned at outer ring left end, and is provided with needle roller between the first inner ring and outer ring; Described second inner ring is positioned at outer ring right-hand member, and is provided with ball between the second inner ring and outer ring; Described first inner ring left end is arranged with the first seal ring; Described first seal ring is arranged between outer ring and the first inner ring; Described second inner ring right-hand member is arranged with the second seal ring; Described second seal ring is arranged between outer ring and the second inner ring; Described first inner ring and the second inner ring have identical internal diameter.
Described outer ring is the cylinder of hollow, and outer ring inwall is from left to right disposed with the first groove, outer cylinder raceway, the second groove, outer ring raceway and the 3rd groove; Described first groove is embedded with the first seal ring and the first snap ring; Cages for needle is folded with between described outer cylinder raceway and the first inner ring; Described cages for needle is embedded with needle roller; Described second groove is embedded with the second snap ring; Ball retainer is folded with between described outer ring raceway and the second inner ring; Described ball retainer is embedded with ball; Described 3rd groove is embedded with the second seal ring.
Described first inner ring is provided with corresponding with outer cylinder raceway in cylindrical raceway; Described outer cylinder raceway and interior cylindrical raceway enclose the space of an accommodating needle roller; Described second inner ring is provided with corresponding with outer ring raceway in circular raceway; Described outer ring raceway and interior circular raceway enclose the space of an accommodating ball.
Described ball retainer comprises in circular upper frame and the positioning block being distributed on upper frame lower end; Adjacent positioning block surrounds an arc shaped surface adapted with ball.
This composite bearing, while bearing higher radial load, can also bear certain thrust load.Further, even if major axis produces certain bending, this bearing still can normally work, and overcomes the restriction that single needle bearing is higher to axial concentricity requirement.
Accompanying drawing explanation
Fig. 1 is explosive view of the present utility model;
Fig. 2 is cross-sectional schematic of the present utility model;
In figure: circular raceway, 8-ball retainer, 8a-upper frame, 8b-positioning block, 9-ball, 10-second seal ring, 11-outer ring, 11a-first groove, 11b-outer cylinder raceway, 11c-second groove, 11d-outer ring raceway, 11e-the 3rd groove, 12-major axis, 13-lining in cylindrical raceway, 6-second snap ring, 7-second inner ring, 7a-in 1-first seal ring, 2-first snap ring, 3-cages for needle, 4-needle roller, 5-first inner ring, 5a-.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of composite bearing, comprises outer ring 11, first inner ring 5 and the second inner ring 7; Described outer ring 11 hollow, and outer ring 11 is sheathed on the first inner ring 5 and the second inner ring 7 is outside; Described first inner ring 5 is positioned at outer ring 11 left end, and is provided with needle roller 4 between the first inner ring 5 and outer ring 11; Described second inner ring 7 is positioned at outer ring 11 right-hand member, and is provided with ball 9 between the second inner ring 7 and outer ring 11.
Described first inner ring 5 left end is arranged with the first seal ring 1; Described first seal ring 1 is arranged between outer ring 11 and the first inner ring 5; Described second inner ring 7 right-hand member is arranged with the second seal ring 10; Described second seal ring 10 is arranged between outer ring 11 and the second inner ring 7; Described first inner ring 5 and the second inner ring 7 have identical internal diameter.
Major axis 12 is through the first inner ring 5 and the second inner ring 7.Outer ring 11 and the first inner ring 5 left justify.Lining 13 is provided with between the shaft shoulder of major axis 12 and the second inner ring 7.
Described outer ring 11 is the cylinder of hollow, and outer ring 11 inwall is from left to right disposed with the first groove 11a, outer cylinder raceway 11b, the second groove 11c, outer ring raceway 11d and the 3rd groove 11e; Described first groove 11a is embedded with the first seal ring 1 and the first snap ring 2; Cages for needle 3 is folded with between described outer cylinder raceway 11b and the first inner ring 5; Described cages for needle 3 is embedded with needle roller 4; Described second groove 11c is embedded with the second snap ring 6; Ball retainer 8 is folded with between described outer ring raceway 11d and outer second inner ring 7; Described ball retainer 8 is embedded with ball 9; Described 3rd groove 11e is embedded with the second seal ring 10.
Described first inner ring 5 is provided with corresponding with outer cylinder raceway 11b in cylindrical raceway 5a; Described outer cylinder raceway 11b and interior cylindrical raceway 5a encloses the space of an accommodating needle roller 4; The setting of outer cylinder raceway 11b and interior cylindrical raceway 5a, limits the range of movement of needle roller 4 jointly.
Described second inner ring 7 is provided with corresponding with outer ring raceway 11d in circular raceway 7a; Described outer ring raceway 11d and interior circular raceway 7a encloses the space of an accommodating ball 9.The setting of outer ring raceway 11d and interior circular raceway 7a, limits the range of movement of ball 9 jointly.
Described ball retainer 8 comprises in circular upper frame 8a and the positioning block 8b being distributed on upper frame 8a lower end; Adjacent positioning block 8b surrounds an arc shaped surface adapted with ball 9.Therefore, ball 9 is embedded between positioning block 8b.
This composite bearing, while bearing higher radial load, can also bear certain thrust load.Further, even if major axis 12 produces certain bending, this bearing still can normally work, and overcomes the restriction that single needle bearing is higher to axial concentricity requirement.
The utility model is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technological scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection domain of the present utility model.
Claims (4)
1. a composite bearing, is characterized in that, comprises outer ring (11), the first inner ring (5) and the second inner ring (7); Described outer ring (11) hollow, and outer ring (11) are sheathed on the first inner ring (5) and the second inner ring (7) is outside; Described first inner ring (5) is positioned at outer ring (11) left end, and is provided with needle roller (4) between the first inner ring (5) and outer ring (11); Described second inner ring (7) is positioned at outer ring (11) right-hand member, and is provided with ball (9) between the second inner ring (7) and outer ring (11); Described first inner ring (5) left end is arranged with the first seal ring (1); Described first seal ring (1) is arranged between outer ring (11) and the first inner ring (5); Described second inner ring (7) right-hand member is arranged with the second seal ring (10); Described second seal ring (10) is arranged between outer ring (11) and the second inner ring (7); Described first inner ring (5) and the second inner ring (7) have identical internal diameter.
2. a kind of composite bearing as claimed in claim 1, it is characterized in that, the cylinder that described outer ring (11) is hollow, outer ring (11) inwall is from left to right disposed with the first groove (11a), outer cylinder raceway (11b), the second groove (11c), outer ring raceway (11d) and the 3rd groove (11e); Described first groove (11a) is embedded with the first seal ring (1) and the first snap ring (2); Cages for needle (3) is folded with between described outer cylinder raceway (11b) and the first inner ring (5); Described cages for needle (3) is embedded with needle roller (4); Described second groove (11c) is embedded with the second snap ring (6); Ball retainer (8) is folded with between described outer ring raceway (11d) and the second inner ring (7); Described ball retainer (8) is embedded with ball (9); Described 3rd groove (11e) is embedded with the second seal ring (10).
3. a kind of composite bearing as claimed in claim 2, is characterized in that, described first inner ring (5) is provided with the interior cylindrical raceway (5a) corresponding with outer cylinder raceway (11b); Described outer cylinder raceway (11b) and interior cylindrical raceway (5a) enclose the space of an accommodating needle roller (4); Described second inner ring (7) is provided with the interior circular raceway (7a) corresponding with outer ring raceway (11d); Described outer ring raceway (11d) and interior circular raceway (7a) enclose the space of an accommodating ball (9).
4. a kind of composite bearing as claimed in claim 2, is characterized in that, described ball retainer (8) comprises in circular upper frame (8a) and the positioning block (8b) being distributed on upper frame (8a) lower end; Adjacent positioning block (8b) surrounds an arc shaped surface adapted with ball (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746957.6U CN204357934U (en) | 2014-12-03 | 2014-12-03 | A kind of composite bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746957.6U CN204357934U (en) | 2014-12-03 | 2014-12-03 | A kind of composite bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204357934U true CN204357934U (en) | 2015-05-27 |
Family
ID=53259407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746957.6U Expired - Fee Related CN204357934U (en) | 2014-12-03 | 2014-12-03 | A kind of composite bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204357934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900426A (en) * | 2018-08-21 | 2018-11-27 | 郑州诚合信息技术有限公司 | A kind of router with adjustable antenna structure |
-
2014
- 2014-12-03 CN CN201420746957.6U patent/CN204357934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900426A (en) * | 2018-08-21 | 2018-11-27 | 郑州诚合信息技术有限公司 | A kind of router with adjustable antenna structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20201203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |