CN201396375Y - Double-row self-aligning ball bearing with anti-bend and anti-edge curl dustproof cover - Google Patents
Double-row self-aligning ball bearing with anti-bend and anti-edge curl dustproof cover Download PDFInfo
- Publication number
- CN201396375Y CN201396375Y CN2009202234287U CN200920223428U CN201396375Y CN 201396375 Y CN201396375 Y CN 201396375Y CN 2009202234287 U CN2009202234287 U CN 2009202234287U CN 200920223428 U CN200920223428 U CN 200920223428U CN 201396375 Y CN201396375 Y CN 201396375Y
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- China
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- bearing
- outer ring
- dust cover
- double
- inner ring
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- Expired - Fee Related
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- Support Of The Bearing (AREA)
Abstract
The utility model relates to a double-row self-aligning ball bearing with an anti-bend and anti-edge curl dustproof cap. The double-row self-aligning ball bearing comprises an outer ring (1), an innerring (2), steel balls (3), retainers (4) and a dustproof cap (5); wherein the retainers (4) separate the steel balls (3) and are retained between the roller ways of the outer ring (1) and the inner ring (2); the annular dustproof cap (5) is arranged in the end-surface circular space formed by the outer ring (1) and the inner ring (2). The double-row self-aligning ball bearing has the advantages that the problem of isolation between the working area of the bearing and the external environment is solved, and the operating condition of the bearing is improved; the gap between the dustproof cap (5) and the inner ring (2) of the bearing enlarges the permitted angle of swing b of the bearing, and the bearing aligning characteristics are fully exerted.
Description
Technical field
The utility model relates to the double-row angular contact bal bearing technical field, especially relates to a kind of double-row self-aligning ball bearing that has the bend resistance crimping type shield.
Background technique
Known, double-row self-aligning ball bearing bearing capacity is medium, and rotating speed is medium, and because of outer raceway is designed to the tangent plane of a sphere, the sphere centre of sphere is positioned at the symmetry center of tangent plane, so possess certain " aligning " ability; The double-row self-aligning ball bearing mainly bears radial load, and when rotation and the bearing decentraction of axle, or with bearing on during the certain pivot angle of the part needs that assemble, allow certain included angle between the inner ring turning surface of this bearing and outer ring turning surface, promptly realize the aligning ability.At present, the double-row self-aligning ball bearing mainly contains two kinds of structures, and a kind of is the open type design, does not promptly have any sealing configuration or dustproof construction, and a kind of is the sealed type design; Open type design bearing is because of its function that does not possess any the isolation external world with bearing working district, and bearing working life and running accuracy are subjected to the influence of operating mode bigger; Though and sealing configuration possesses the external world of isolation and bearing working district function, because seal ring is to adopt outer skeletal structure of adhering to rubber, seal ring thickness is big, and seal ring might touch the bearing inner sleeve assembly when causing bearing working, makes the weakening of bearing aligning force; Moreover rubber sealing structure is unfavorable for heat radiation.
Summary of the invention
In order to overcome the deficiency in the background technique, the utility model discloses a kind of double-row self-aligning ball bearing that has the bend resistance crimping type shield, by both sides dust cover is set at the double-row self-aligning ball bearing, and dust cover is set to odd number sheet crimping form and has solved the dust cover problem on deformation, increased the pivot angle b allowable of this class bearing, give full play to the characteristics of double-row self-aligning ball bearing aligning, improved the operating mode of bearing greatly, promoted the working life and the precision of bearing.
In order to realize the foregoing invention purpose, the utility model by the following technical solutions:
A kind of double-row self-aligning ball bearing that has the bend resistance crimping type shield comprises outer ring, inner ring, steel ball, retainer, dust cover; The outer ring internal diameter is set to the tangent plane shape raceway of sphere, and internal diameter both sides, outer ring are provided with groove; Inner ring external diameter both sides radially center line symmetry place are provided with the circular arc raceway respectively; Retainer is isolated steel ball and is arranged between outer ring, the inner ring raceway; Described dust cover is an annular, and the uniform odd number sheet crimping that is set to of annular external diameter, and dust cover is arranged in the end face torus space of outer ring, inner ring formation, and dust cover matches with the outer ring grooves on two sides respectively and has the gap with inner ring.
After adopting technique scheme, the beneficial effect that the utlity model has is:
The described double-row self-aligning ball bearing that has the bend resistance crimping type shield;
1. by between outer ring, double-row self-aligning ball bearing both sides, inner ring, dust cover being set, solve the working area and extraneous isolating problem of this class bearing, improved the applying working condition of bearing.
2. gapped between dust cover and bearing inner race, increased the pivot angle b allowable of this class bearing, given full play to the characteristics of double-row self-aligning ball bearing aligning.
3. dust cover is set to odd number sheet crimping form and has solved the dust cover problem on deformation, has avoided the easily appearance in bending cross section of dust cover even number sheet crimping symmetry, has promoted the ability of dust cover bend resistance.
Description of drawings
Fig. 1 is an assembly structure figure of the present utility model.
Fig. 2 is a dustproof cover structure schematic representation of the present utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the utility model user mode schematic representation.
Among the figure: 1, outer ring; 2, inner ring; 3, steel ball; 4, retainer; 5, dust cover.
Embodiment
With reference to the following examples, can explain the utility model in more detail; But should be noted that the utility model is not limited to following embodiment.
In Fig. 1,2 or 3, the described double-row self-aligning ball bearing that has the bend resistance crimping type shield comprises outer ring 1, inner ring 2, steel ball 3, retainer 4, dust cover 5; Outer ring 1 internal diameter is set to the tangent plane shape raceway of sphere, and 1 internal diameter both sides, outer ring are provided with groove; Inner ring 2 external diameter both sides radially center line symmetry place are provided with the circular arc raceway respectively; Retainer 4 is isolated steel ball 3 and is arranged between outer ring 1, inner ring 2 raceways; Described dust cover 5 is an annular, and the uniform odd number sheet crimping that is set to of annular external diameter, and dust cover 5 is arranged in the end face torus space of outer ring 1, inner ring 2 formation, and dust cover 5 matches with outer ring 1 grooves on two sides respectively and has the gap with inner ring 2; When the plane of rotation of axle did not overlap with bearing outer ring 1, because axle is connected with bearing inner race 2 interference, bearing inner race 2 certainly led to certain inclination; If the seal arrangement that bearing outer ring 1, inner ring are 2 is designed to the contact-type structure, then serious interference takes place in seal arrangement and bearing inner race 2; The utility model seal arrangement is designed to dustproof cover structure, not only increased the space between dust cover 5 and the steel ball 3, and have rational gap in bearing inner race 2 external diameters, when swinging in the angle that bearing inner race 2 is allowing, can not move interference with dust cover 5.
The utility model is innovated from the dustproof cover structure design, and design cleverly is crimped to the external diameter of dust cover 5, has promoted the bend resistance ability of dust cover 5; But be limited to the punch machining process process of dust cover 5, and consider how dust cover 5 is installed on the outer ring 1, and reduce assembling pressure, the utility model has designed a plurality of dust cover 5 external diameters that are crimped to; In addition by odd number sheet bead designs, avoided even number sheet crimping indentation, there very easily to bend the appearance in cross section, because on this cross section, the bend resistance ability total failure of crimping; When dust cover 5 crimpings are provided with for the odd number sheet, all non-indentations section, the ability of its bend resistance is promoted simultaneously by the crimping of symmetry, and indentations section has at least the bend resistance ability of a crimping to obtain performance; No matter like this on any one cross section, the bend resistance ability that crimping promoted all be effectively played, eliminated the weak spot of bend resistance ability, integral body has improved the bend resistance ability of dust cover 5.
As shown in Figure 4, be applied to the double-row self-aligning ball bearing, at first solved dust cover 5 yielding problems by dust cover 5 this bend resistance; The pivot angle b allowable that next has increased this class bearing has given full play to the characteristics of double-row self-aligning ball bearing aligning, has improved the operating mode of bearing greatly, has promoted the working life and the precision of bearing; And can before the bearing assembling is used, in the cavity that bearing outer ring 1, inner ring 2, dust cover 5 form, fill different oiling agents according to different operating modes, greatly reduce the lubricated cost of double-row self-aligning ball bearing; The bend resistance crimping type shield that has described in the utility model is convenient to apply at bearing industry.
Claims (1)
1. a double-row self-aligning ball bearing that has the bend resistance crimping type shield comprises outer ring (1), inner ring (2), steel ball (3), retainer (4), dust cover (5); Outer ring (1) internal diameter is set to the tangent plane shape raceway of sphere, and internal diameter both sides, outer ring (1) are provided with groove; Inner ring (2) external diameter both sides radially center line symmetry place are provided with the circular arc raceway respectively; Retainer (4) is isolated steel ball and is arranged between outer ring (1), inner ring (2) raceway; It is characterized in that: described dust cover (5) is annular, and the uniform odd number sheet crimping that is set to of dust cover (5) external diameter, dust cover (5) is arranged in the end face torus space of outer ring (1), inner ring (2) formation, and dust cover (5) cooperates with outer ring (1) grooves on two sides respectively and has the gap with inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234287U CN201396375Y (en) | 2009-09-03 | 2009-09-03 | Double-row self-aligning ball bearing with anti-bend and anti-edge curl dustproof cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234287U CN201396375Y (en) | 2009-09-03 | 2009-09-03 | Double-row self-aligning ball bearing with anti-bend and anti-edge curl dustproof cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396375Y true CN201396375Y (en) | 2010-02-03 |
Family
ID=41618884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202234287U Expired - Fee Related CN201396375Y (en) | 2009-09-03 | 2009-09-03 | Double-row self-aligning ball bearing with anti-bend and anti-edge curl dustproof cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201396375Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121286A (en) * | 2013-04-25 | 2014-10-29 | 宁波市鄞州金鑫轴承五金有限公司 | Self-aligning ball bearing |
| CN108561420A (en) * | 2018-02-08 | 2018-09-21 | 无锡诚石轴承有限公司 | A kind of weaving machine bearing |
-
2009
- 2009-09-03 CN CN2009202234287U patent/CN201396375Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121286A (en) * | 2013-04-25 | 2014-10-29 | 宁波市鄞州金鑫轴承五金有限公司 | Self-aligning ball bearing |
| CN108561420A (en) * | 2018-02-08 | 2018-09-21 | 无锡诚石轴承有限公司 | A kind of weaving machine bearing |
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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: 20100203 Termination date: 20140903 |
|
| EXPY | Termination of patent right or utility model |