CN1121148A - Angle-contact ball bearing - Google Patents
Angle-contact ball bearing Download PDFInfo
- Publication number
- CN1121148A CN1121148A CN 94116696 CN94116696A CN1121148A CN 1121148 A CN1121148 A CN 1121148A CN 94116696 CN94116696 CN 94116696 CN 94116696 A CN94116696 A CN 94116696A CN 1121148 A CN1121148 A CN 1121148A
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- China
- Prior art keywords
- ball
- bearing
- retainer
- rib
- spare
- 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.)
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Abstract
The said angle-contact ball bearing includes balls and at least one ball matching part, that is, inner ring, outer ring, shaft or hub flange. It features its ball-locking device, which is on ball-matching part and can maintain the balls in holder holes with diameter greater than that of balls. Between the ball-locking device and ball-matching part, there are interval and sealing ring. Being flexible and detachable, the said bearing is esp suitable for use as high-speed and sealed hub bearing in automobiles.
Description
The present invention relates to a kind of mechanical basic part, it is used for all machine operation supportings, is the angular contact ball bearing in a kind of rolling bearing.
Existing angle contacting contact bearing, its divergence type dish type commonly used or C shape retainer are used C shape retainer exactly as 9168306 bearings, and its deficiency causes the ball bore deformation and is difficult to and detect except making complexity when also being to assemble crimp.Therefore, in use normal because ball and the bad connection of ball hole cause the ball hole to be worn and torn too early, even cause its fracture and cause damage of bearings, the reliable running of main frame there is potential risk.It has the lock ball device not have that retainer is separable can only to be used for low speed.
For avoiding deficiency in the above-mentioned technology, retainer does not need crimp to purpose of the present invention in a kind of assembling and provide exactly, and the angular contact ball bearing that steel ball can not spin off from its ball hole when separating.
Technical solution of the present invention is: a kind of angular contact ball bearing, it comprises steel ball rolling channel and the part steel ball cooperating (hereinafter to be referred as joining ball spare) that at least one has at least one ring-type and steel ball, retainer, it is characterized in that: described join be provided with on the ball spare and retainer between constitute lock ball, neither influence steel ball work, steel ball can be locked in greater than the lock ball device in the retainer ball hole of its sphere diameter again.The described ball spare of joining is one of in inner ring, outer ring, axle, the wheelboss flange dish.
Described lock ball device is one of in the high rib of lock ball cover, lock ball that the arbitrary shape cross section is arranged, lock ball cup, lock ball circle, the lock ball lid, its with steel ball, retainer mates that the anti-collision space S is arranged; The edge of its free end one of to retainer ball hole, the retainer rib links to joins ball spare raceway ultimate range greater than the steel ball radius; The Edge Distance L of its free end one of to retainer ball hole, the retainer rib is less than sphere diameter d, described distance L has enough lock ball amounts, steel ball is locked in the retainer ball hole greater than its sphere diameter guaranteeing, steel ball can freely be rotated, can not from its ball hole, spin off again.
The present invention is owing to be provided with the lock ball device joining on the ball spare, thereby, do not need during assembling the retainer crimp, retainer ball hole is contacted with steel ball well, make it both have the advantage that goes slick, make it separable and satisfied the requirement of main frame loading and unloading again, make it enlarge application area.
The drawing of accompanying drawing is described as follows:
Fig. 1,3, the 5th is provided with the sectional drawing of lock ball cover at inner ring external diameter one end;
Fig. 2, the 4th is provided with the sectional drawing of lock ball cover at outer ring internal diameter one end;
Fig. 6, the 7th, inner ring external diameter one end be provided with concave end and the sectional drawing on the high-grade limit of lock ball;
Fig. 8,9,10, the 11st has two inner ring sectional drawings that are provided with the lock ball device in the outer ring with double raceway.
Among the figure: α-wrapping angle, α≤90 °; The Edge Distance of d-sphere diameter: L-lock ball device one of to retainer ball hole, the retainer rib; L＜d; The anti-collision space of S-lock ball device and steel ball, retainer coupling.
Technical solution of the present invention will be further described below in conjunction with accompanying drawing:
A kind of angular contact ball bearing, it comprises the inner ring 1 of Fig. 1, steel ball 2 and aperture are greater than the retainer 3 of sphere diameter, it is characterized in that on inner ring 1 external diameter one end, being provided with lock ball cover 4, itself and steel ball 2, retainer 3 couplings have the anti-collision space S, itself and retainer, the distance L at steel ball opposed free ends internal diameter mouth limit to 26 edges, retainer 3 ball holes is less than sphere diameter d, distance L has enough lock ball amounts, steel ball 3 can freely be rotated, it can not be spun off from the retainer 3 ball holes greater than its sphere diameter, become a kind of inner ring 1 that comprises, steel ball 2, the angular contact ball bearing of retainer 3 and lock ball cover 4; When mixing outer ring 5, just become a kind of separable angular contact ball bearing that comprises inner ring 1, steel ball 2, retainer 3, lock ball cover 4 and outer ring 5 of Fig. 1.
In like manner, be provided with lock ball cover 7, its shape and steel ball 2, retainer 3 couplings at the outer ring of Fig. 26 internal diameters, one end the anti-collision space S is arranged, its free end to retainer ball bore edges distance L less than sphere diameter d, become a kind of angular contact ball bearing that comprises outer ring 6, steel ball 2, retainer 3 and lock ball cover 7: when mixing inner ring 8, just become a kind of separable angular contact bearing that comprises outer ring 6, steel ball 2, retainer 3, lock ball cover 7 and inner ring 8 of Fig. 2.
Fig. 3,4 and Fig. 1,2 differences, be on inside and outside footpath, retainer 3 two ends, both to be provided with respectively to increase its intensity, can form the inside and outside rib 9,10 of lock ball again with lock ball cover 4,7, lock ball cover 4,7 free ends are locked in steel ball 2 in its ball hole with assurance respectively to its rib 9,10 Edge Distance L＜d.
In like manner, but on Fig. 5 inner ring 1-end external diameter, be provided with the plastic seal lock ball cover 11 that not only lock ball but also sealable oil resistant rubber are made, make L＜d, steel ball 2 is locked in the ball hole of retainer 3 guaranteeing.The footpath is provided with the internal projecting ring that combines with inner ring 1 external diameter groove within it, and is provided with metal frame 12 in its body, to increase its intensity and associativity: outer ring 5 internal diameter on be provided with oil duct 13 with the sealing of lock ball cover 11 external diameters, to strengthen its sealing.Be provided with the seal ring 14 that seals with inner ring 1 lip in the other end internal diameter groove of outer ring 5, it is close to make it become a kind of existing radial clearance envelope, and the bearing of oil duct, seal ring sealing is arranged again.
In like manner, on Fig. 6 inner ring 1-end external diameter, be provided with the high rib 15 that interior edge face has annular groove, it both formed with steel ball 2, retainer 3 coupling anti-collision skies ask S, make its external diameter and outer ring internal diameter be formed with enough radial clearance seals again.Its free end is to retainer ball bore edges distance L＜d, when retainer 3 be made as among Fig. 3 rib 9 is arranged the time, then rib 15 free ends are to the Edge Distance L＜d of retainer 3 ribs 9, with assurance steel ball is locked in its ball hole 26, this all-in-one-piece lock ball rib 15, for easy to assembly, mouth end at rib 15 is provided with filling slot 16, and on rib 15, be provided with insertion lock ball fixing pin 18 wherein, on one of between rib 15 external diameters and outer ring 5 internal diameters, be provided with seal ring or sealing oil duct 17, in the 5 internal diameter two ends grooves of outer ring, be respectively equipped with seal ring 14 with inner ring 1 and the sealing of rib 15 external diameters thereof, 19.Make it become the separable angular contact ball bearing that includes lock ball rib 15, inner ring 1, steel ball 2, retainer 3, outer ring 5 that a kind of existing clearance seal has the seal ring sealing again.
Fig. 7 and Fig. 6 difference, but be on the external diameter of rib 15, to be provided with the sealing lock ball cup 20 that not only lock ball but also sealable cup-shaped oil resistant rubber are made, the footpath is provided with the internal projecting ring 21 that combines with rib 15 external diameter grooves within it, to increase its combination seal, its free end is to retainer 3 ball bore edges distance L＜d, make it replace rib 15 free ends, steel ball is locked in its ball hole with assurance to retainer 3 ball bore edges distance L＜d.Make it become a kind of separable angular contact ball bearing that on inner ring 1 high rib 15, is provided with sealing lock ball cup again.
Fig. 8 is with described two band steel balls 2 of lock ball cover 4, the inner ring 1 of retainer 3 and the separable angular contact ball bearing that outer ring with double raceway 23 is formed of being provided with.On the 23 two ends internal diameters of outer ring, be respectively equipped with oil duct 17, seal ring 22 with the sealing of lock ball cover.
Fig. 9 is with described two band steel balls 2 of oil resistant rubber dense block ball cover 11, the inner ring 1 of retainer 3 and the separable angular contact ball bearing that outer ring with double raceway 23 is formed of being provided with.On the 23 two ends internal diameters of outer ring, be respectively equipped with oil duct 17 with 11 sealings of lock ball cover.
Figure 10 is with described two band steel balls 2 of lock ball rib 15, the inner ring 1 of retainer 3 and the separable angular contact ball bearing that two raceways 23 are formed of being provided with.On the 23 two ends internal diameters of outer ring, be respectively equipped with oil duct 17, seal ring 19 with 15 sealings of lock ball rib.And on inner ring 1 raceway, be provided with not the secondary raceway 24 that contacts with steel ball 2 work.
Figure 11 is with described two band steel balls 2 of the sealing lock ball cup 20 of oil resistant rubber manufacturing, the inner ring 1 of retainer 3 and the separable angular contact ball bearing that outer ring with double raceway 23 is formed of being provided with on its rib 15.On the 23 two ends internal diameters of outer ring, be respectively equipped with oil duct 17, seal ring 19 with lock ball cup 20, rib 15 sealings.
Fig. 8,9,10,11 is provided with the band steel ball 2 of dense block ball device, the inner ring 1 of retainer 3 and the angular contact ball bearing that outer ring with double raceway 23 is formed by two.Described dense block ball device both constitutes lock balls with retainer 3, steel ball is locked in the ball hole, again and constitute radial clearance and seal ring sealing between the internal diameter of outer ring 23.Thereby it can be used at a high speed, the tight occasion of sealing, and it is most appropriate to the used bearing of automotive hub.
Fig. 8,9,10,11 bearing, when as automobile hub bearing, error when assembling for the flange plate of eliminating outer ring 23 and automotive hub and stress deformation are to its raceway influence, two raceways of outer ring 23 are before fine finishing, the flange plate of itself and automotive hub is dressed up one, finish the fine finishing of its pair raceway again, to guarantee its quality.The fine finishing of described raceway, be meant to raceway carry out slightly, fine grinding, superfinish.To there be the inner ring lock ball device, band steel ball, retainer 1 to dress up one, just become the angular contact ball bearing that on the external diameter of outer ring with double raceway 23, is provided with the automotive hub flange plate with it.Promptly with the angular contact ball bearing of automotive hub flange plate.It had both guaranteed quality, made things convenient for the assembling of main frame again.
The described ball spare of joining can be two rollaway types.
At the described secondary raceway 24 that the arbitrary shape cross section is arranged that does not contact when being provided with work on the ball spare raceway of joining, to reduce raceway fine finishing amount with steel ball.
Described seal ring 19 is made as the opening circlip, makes that to join ball spare 1,5 inseparable, and become a kind of automobile clutch bearing.
Described lock ball device has integrated type and combined type.Its knockdown available metal or nonmetallic material manufacturing, its metal is made, and the method for available opening or outer crimping in-flanges band opening is fixed in the head end groove of outer ring internal diameter; Or with on one of solid dried inside and outside footpath of joining ball spare of interference fit; Or be fixed in pressurizing and deformation or fastening piece or welding with transition, Spielpassung and join on the ball spare.Its rubber, engineering plastics are made, and in its body metal frame can be arranged, be fixed in its contractility and join on the ball spare, its more can with join ball spare and be molded into one; Itself and steel ball coupling have or not the anti-collision space S all can, promptly can be contact-type or contactless.
But the present invention is owing to joining the lock ball device that is provided with not only lock ball on the ball spare but also can seals, do not need when making assembling the retainer dress is pressed lock ball, and its ball hole is contacted with steel ball well, thereby, make that it had not only gone slick, noise is little, but also separable and satisfied the main frame loading and unloading.Lock ball device and joining between the ball spare, the reliable sealing of gapped again and seal ring, and improved its sealing, so it can be used at a high speed, the tight occasion of sealing, it is most appropriate to the used bearing of automotive hub.
Claims (10)
1, a kind of angular contact ball bearing, it comprise at least one have at least one a ring-type steel ball rolling channel join ball spare (1,5,6,8,23) and steel ball (2), retainer (3), it is characterized in that: described join be provided with on the ball spare (1,6) and retainer between constitute lock ball, neither influence steel ball work, steel ball can be locked in again greater than the lock ball device (4,7,11,15,20) in the retainer ball hole (26) of its sphere diameter.
2, bearing as claimed in claim 1 is characterized in that: the described ball spare of joining is one of in inner ring, outer ring, axle, the wheelboss flange dish.
3, bearing as claimed in claim 1, it is characterized in that: described lock ball device is one of to be provided with on one of inside and outside footpath of joining ball spare (1,6) in lock ball cover (4,7,11), the lock ball rib (15), the Edge Distance L of its free end one of to the described retainer ball hole (26), retainer rib (9,10) be less than sphere diameter d, steel ball (2) is locked in its ball hole (26) guaranteeing.
4, bearing as claimed in claim 1, it is characterized in that: described lock ball device be join be provided with on external diameter one end of ball spare (1) the spill end face when rib (15), on this rib external diameter, be provided with the sealing lock ball spare (20) that oil resistant rubber is made, the Edge Distance L of its free end one of to the described retainer ball hole (26), retainer rib (9,10) be less than sphere diameter d, steel ball (2) is locked in its ball hole (26) guaranteeing.
5, bearing as claimed in claim 1 is characterized in that: described lock ball device (11,15,20) and join radial clearance seals and seal ring (19,20) or oil duct (17) sealing are arranged between the internal diameter of ball spare (5,23).
6, bearing as claimed in claim 3 is characterized in that: described lock ball cover (11) is made for the plastics of oil resistant rubber, is provided with metal frame (12) in its body.
7, bearing as claimed in claim 3 is characterized in that: be provided with filling slot (16) on described lock ball rib (15).
8, bearing as claimed in claim 7 is characterized in that: be provided with the lock ball pin (18) that inserts in the described breach (16) on described rib (15).
9, bearing as claimed in claim 1 is characterized in that: described lock ball device (15) and join between the internal diameter of ball spare (5) and be provided with the opening circlip makes it become a kind of automobile clutch bearing.
10, bearing as claimed in claim 1 is characterized in that: be provided with the automotive hub flange plate in described joining on ball spare (23) external diameter, become a kind of angular contact ball bearing with the automotive hub flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94116696 CN1121148A (en) | 1994-10-18 | 1994-10-18 | Angle-contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94116696 CN1121148A (en) | 1994-10-18 | 1994-10-18 | Angle-contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1121148A true CN1121148A (en) | 1996-04-24 |
Family
ID=5038052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94116696 Pending CN1121148A (en) | 1994-10-18 | 1994-10-18 | Angle-contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121148A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360819C (en) * | 2002-05-10 | 2008-01-09 | 依纳-谢夫勒两合公司 | Biserial radial thrust ball bearing |
| CN101847924A (en) * | 2009-03-25 | 2010-09-29 | 索尼公司 | Hollow step motor and shaft supporting structure |
-
1994
- 1994-10-18 CN CN 94116696 patent/CN1121148A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100360819C (en) * | 2002-05-10 | 2008-01-09 | 依纳-谢夫勒两合公司 | Biserial radial thrust ball bearing |
| CN101847924A (en) * | 2009-03-25 | 2010-09-29 | 索尼公司 | Hollow step motor and shaft supporting structure |
| CN101847924B (en) * | 2009-03-25 | 2013-03-27 | 索尼公司 | Hollow step motor and shaft supporting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |