CN204419851U - A kind of combination bearing - Google Patents
A kind of combination bearing Download PDFInfo
- Publication number
- CN204419851U CN204419851U CN201420746850.1U CN201420746850U CN204419851U CN 204419851 U CN204419851 U CN 204419851U CN 201420746850 U CN201420746850 U CN 201420746850U CN 204419851 U CN204419851 U CN 204419851U
- Authority
- CN
- China
- Prior art keywords
- ring
- raceway
- inner ring
- outer ring
- 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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- Rolling Contact Bearings (AREA)
Abstract
A kind of combination bearing, technical field of bearings, comprises outer ring and inner ring; Described outer ring hollow, and outer ring sleeve is located at inner ring outside; Outer ring and inner ring two ends flush; Needle roller and ball is provided with between described outer ring and inner ring; Described inner ring left end is arranged with the first seal ring described in the first seal ring and is arranged between outer ring and inner ring; Described 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.This combination bearing, while bearing higher radial load, can also bear certain thrust load.Further, produce certain bending even if radial, 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 combination bearing.
Background technique
Ball bearing is generally be used in the mechanically operated equipment of low load.Because the loaded area of ball bearing is little, very easily there are serious mechanical injuries when running up, so often take needle-type bearing in the mechanical transmission of heavy load.
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.
But needle bearing, the concentricity requirement for Internal and external cycle is higher.Under being in high pressure conditions, when bearing axial length is longer, Internal and external cycle is difficult to keep concentricity, and now, card easily occurs needle bearing, thus affects the normal operation of machine.
Model utility content
The purpose of this utility model is to overcome the above-mentioned defect mentioned and deficiency, and provides a kind of combination bearing.
The technological scheme that the utility model realizes the employing of its object is as follows.
A kind of combination bearing, comprises outer ring and inner ring; Described outer ring hollow, and outer ring sleeve is located at inner ring outside; Outer ring and inner ring two ends flush; Needle roller and ball is provided with between described outer ring and inner ring; Described inner ring left end is arranged with the first seal ring described in the first seal ring and is arranged between outer ring and inner ring; Described 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 outer ring is the cylinder of hollow, and outer ring inwall is from left to right disposed with the first groove, outer cylinder raceway, outer ring raceway and the second groove; Described first groove is embedded with the first seal ring; Cages for needle is folded with between described outer cylinder raceway and inner ring; Described cages for needle is embedded with needle roller; Ball retainer is folded with between described outer ring raceway and inner ring; Described ball retainer is embedded with ball; Described second groove is embedded with the second seal ring.
Described 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 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.
Described outer cylinder raceway both sides are provided with protruding shelves shoulder, and width and the needle roller of outer cylinder raceway adapt.
This combination bearing, while bearing higher radial load, can also bear certain thrust load.Further, produce certain bending even if radial, 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, 5-outer ring, 5a-first groove, 5b-outer cylinder raceway, 5c-outer ring raceway, 5d-second groove, 6-ball retainer, 6a-upper frame, 6b-positioning block, 7-ball, 8-second seal ring in cylindrical raceway, 4b-in 1-first seal ring, 2-cages for needle, 3-needle roller, 4-inner ring, 4a-.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of combination bearing, comprises outer ring 5 and inner ring 4; Described outer ring 5 hollow, and outer ring 5 is sheathed on inner ring 4 outside; Outer ring 5 and inner ring 4 two ends flush;
Needle roller 3 and ball 7 is provided with between described outer ring 5 and inner ring 4; Described inner ring 4 left end is arranged with the first seal ring 1; Described first seal ring 1 is arranged between outer ring 5 and inner ring 4; Described inner ring 4 right-hand member is arranged with the second seal ring 8; Described second seal ring 8 is arranged between outer ring 5 and the second inner ring 4.
First seal ring 1 and the second seal ring 8, prevents foreign matter from entering this bearing.And this Bearing inner is a closed environment, not using under lubrication oil condition, still normally a period of time can be run.
Described outer ring 5 is the cylinder of hollow, and outer ring 5 inwall is from left to right disposed with the first groove 5a, outer cylinder raceway 5b, outer ring raceway 5c and the second groove 5d; Described first groove 5a is embedded with the first seal ring 1; Cages for needle 2 is folded with between described outer cylinder raceway 5b and inner ring 4; Described cages for needle 2 is embedded with needle roller 3; Ball retainer 6 is folded with between described outer ring raceway 5c and inner ring 4; Described ball retainer 6 is embedded with ball 7; Described second groove 5d is embedded with the second seal ring 8.
Described outer cylinder raceway 5b both sides are provided with protruding shelves shoulder, and width and the needle roller 3 of outer cylinder raceway 5b adapt.The setting of shelves shoulder, plays the effect limiting needle roller 3 movement locus, eliminates bearing and uses the positioning elements such as snap ring.
Described inner ring 4 is provided with corresponding with outer cylinder raceway 5b in cylindrical raceway 4a; Described outer cylinder raceway 5b and interior cylindrical raceway 4a encloses the space of an accommodating needle roller 3; Described inner ring 4 is provided with corresponding with outer ring raceway 5c in circular raceway 4b; Described outer ring raceway 5c and interior circular raceway 4b encloses the space of an accommodating ball 7.
Described ball retainer 6 comprises in circular upper frame 6a and the positioning block 6b being distributed on upper frame 6a lower end; Adjacent positioning block 6b surrounds an arc shaped surface adapted with ball 7.
This combination bearing, while bearing higher radial load, can also bear certain thrust load.Further, this bearing can adapt to radially bending in certain limit, 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 combination bearing, is characterized in that, comprises outer ring (5) and inner ring (4); Described outer ring (5) hollow, and outer ring (5) are sheathed on inner ring (4) outside; Outer ring (5) and inner ring (4) two ends flush; Needle roller (3) and ball (7) is provided with between described outer ring (5) and inner ring (4); Described inner ring (4) left end is arranged with the first seal ring (1); Described first seal ring (1) is arranged between outer ring (5) and inner ring (4); Described inner ring (4) right-hand member is arranged with the second seal ring (8); Described second seal ring (8) is arranged between outer ring (5) and the second inner ring (4); The cylinder that described outer ring (5) is hollow, outer ring (5) inwall is from left to right disposed with the first groove (5a), outer cylinder raceway (5b), outer ring raceway (5c) and the second groove (5d); Described first groove (5a) is embedded with the first seal ring (1); Cages for needle (2) is folded with between described outer cylinder raceway (5b) and inner ring (4); Described cages for needle (2) is embedded with needle roller (3); Ball retainer (6) is folded with between described outer ring raceway (5c) and inner ring (4); Described ball retainer (6) is embedded with ball (7); Described second groove (5d) is embedded with the second seal ring (8).
2. a kind of combination bearing as claimed in claim 1, is characterized in that, described inner ring (4) is provided with the interior cylindrical raceway (4a) corresponding with outer cylinder raceway (5b); Described outer cylinder raceway (5b) and interior cylindrical raceway (4a) enclose the space of an accommodating needle roller (3); Described inner ring (4) is provided with the interior circular raceway (4b) corresponding with outer ring raceway (5c); Described outer ring raceway (5c) and interior circular raceway (4b) enclose the space of an accommodating ball (7).
3. a kind of combination bearing as claimed in claim 1, is characterized in that, described ball retainer (6) comprises in circular upper frame (6a) and the positioning block (6b) being distributed on upper frame (6a) lower end; Adjacent positioning block (6b) surrounds an arc shaped surface adapted with ball (7).
4. a kind of combination bearing as claimed in claim 1, is characterized in that, described outer cylinder raceway (5b) both sides are provided with protruding shelves shoulder, and width and the needle roller (3) of outer cylinder raceway (5b) adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746850.1U CN204419851U (en) | 2014-12-03 | 2014-12-03 | A kind of combination bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746850.1U CN204419851U (en) | 2014-12-03 | 2014-12-03 | A kind of combination bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419851U true CN204419851U (en) | 2015-06-24 |
Family
ID=53470224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420746850.1U Expired - Fee Related CN204419851U (en) | 2014-12-03 | 2014-12-03 | A kind of combination bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895082A (en) * | 2015-12-21 | 2017-06-27 | 珠海格力电器股份有限公司 | Robot, rotary joint connecting structure and rotary supporting mechanism thereof |
-
2014
- 2014-12-03 CN CN201420746850.1U patent/CN204419851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895082A (en) * | 2015-12-21 | 2017-06-27 | 珠海格力电器股份有限公司 | Robot, rotary joint connecting structure and rotary supporting mechanism thereof |
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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: 20150624 Termination date: 20201203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |