CN206320185U - A kind of new ball bearing - Google Patents
A kind of new ball bearing Download PDFInfo
- Publication number
- CN206320185U CN206320185U CN201621397057.0U CN201621397057U CN206320185U CN 206320185 U CN206320185 U CN 206320185U CN 201621397057 U CN201621397057 U CN 201621397057U CN 206320185 U CN206320185 U CN 206320185U
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- interior
- ball
- lip
- rubber
- sealing
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- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model is related to a kind of new ball bearing, including outer collar and inside race, outer collar is placed on outside inside race, raceway and the seal groove on the outside of raceway are provided between inside race and outer collar mating surface, seal groove includes the interior vallecular cavity of the outer vallecular cavity on the inner peripheral surface of outer collar and the outer circumference surface located inside race, ball and retainer are provided with raceway, retainer includes basic ring, basic ring axial direction side keeps recess around some balls are circumferentially with, ball is placed in ball and kept in recess, rubber seal is fixed with basic ring, rubber seal includes the base portion being fixed on basic ring, the outer rubber sealing lip that extends along outer radial and along the interior interior rubber seal lip radially extended, outer rubber sealing lip stretches into the sealing cooperation of water jacket intracavity contact, interior rubber seal lip stretches into the sealing cooperation of inside groove intracavity contact.Using retainer band design of Sealing Structure, realize that sealing has sealing structure compact by retainer, the advantage of good airproof performance.
Description
Technical field
The utility model is related to technical field of bearings.
Background technology
At present, deep groove ball bearing and angular contact ball bearing inner space are compacter, under increase ring structure design,
Bearing inner needs to be reserved for the space of sealing ring installation, adding the width of bearing；It is in order to adapt to bearing width requirement, then existing
Having needed under sealing structure reduction ball diameter, after Bearing inner slot milling, but ball diameter reduction, to reduce bearing
Load-carrying ability.Existing sealing structure causes the bearing operation grease that raceway gathers at present relatively more simultaneously, easily causes lower sealing
Lip reveals fat.
The content of the invention
The present utility model purpose：To overcome the defect that prior art is present, the utility model provides a kind of using guarantor
Hold frame band sealing structure, by retainer realize sealing new ball bearing, it is compact with sealing structure, good airproof performance it is excellent
Point.
To achieve the above object, the utility model provides following technical scheme：
A kind of new ball bearing, including outer collar and inside race, outer collar are placed on outside inside race, and inside race and outer collar are matched somebody with somebody
Raceway and the seal groove on the outside of raceway are provided between conjunction face, seal groove includes the water jacket on the inner peripheral surface of outer collar
Ball and retainer are provided with the interior vallecular cavity of chamber and outer circumference surface located inside race, raceway, retainer includes basic ring, basic ring
Axial side keeps recess around some balls are circumferentially with, and ball is placed in ball and kept in recess, it is characterised in that：Described base
It is fixed with rubber seal on ring, base portion that rubber seal includes being fixed on basic ring, the outer rubber extended along outer radial are close
Seal lip and along the interior interior rubber seal lip radially extended, outer rubber sealing lip stretches into the sealing cooperation of water jacket intracavity contact, interior rubber
Glue sealing lip stretches into the sealing cooperation of inside groove intracavity contact.
It is real through band rubber seal on retainer between the inside race and outer collar of bearing by using above-mentioned technical proposal
Now seal, inside and outside rubber lip carries out contacting sealing cooperation, good seal performance, rubber seal with seal groove on rubber seal
Combined with retainer, compact conformation；And under above-mentioned sealing structure so that the upper raceway groove in the lower channel and outer collar on inside race
Interior lubricating grease is evenly distributed.
It is preferred that, the outer rubber sealing lip keeps recess one end to be obliquely installed axially towards ball, outer rubber sealing
Lip contacts sealing with the axial end of outer vallecular cavity and coordinated, and interior rubber seal lip keeps the inclination of recess one end to set axially towards ball
Put, interior rubber seal lip contacts sealing with the axial end of interior vallecular cavity and coordinated.Under the structure design, using axial contact seal,
There is provided better seal elasticity for outer rubber sealing lip and the axially inclined setting of interior rubber seal lip, it is ensured that sealing effectiveness.
It is preferred that, the ball that is axially facing of the outer rubber sealing lip is kept between recess side and the base portion through concave arc
Face transition connects and forms the first relief groove, and the ball that is axially facing of the interior rubber seal lip keeps recess side and the base
Connected between portion through cancave cambered surface transition and form the second relief groove.Under the structure design, it is ensured that outer rubber sealing lip and base portion it
Between connect reliable between connection and interior rubber seal lip and base portion, the elastic deformation of outer rubber sealing lip and interior rubber seal lip can
Lean on, improve sealing property.
It is preferred that, the external diameter end of the outer rubber sealing lip is axially facing ball and keeps recess side to be provided with the first of ring-type
Convex ridge, the axial end of the first convex ridge and outer vallecular cavity is engaged.Under the structure design, it is ensured that outer rubber sealing lip
Sealing is contacted with outer vallecular cavity and coordinates reliable.
It is preferred that, the inner-diameter end of the interior rubber seal lip is axially facing ball and keeps recess side to be provided with the second of ring-type
Convex ridge, the axial end of the second convex ridge and interior vallecular cavity is engaged.Under the structure design, it is ensured that interior rubber seal lip
Sealing is contacted with interior vallecular cavity and coordinates reliable.
It is preferred that, the internal side diameter of the basic ring is extended with medial flange, and the outside diameter of basic ring is extended with outboard flanges, described
Base portion is coated on the U-shaped bound edge in inner side of medial flange, is coated on the U-shaped bound edge in outside and connector of outboard flanges, interior
The outer side wall of the U-shaped bound edge of outer side wall and outside of the U-shaped bound edge in side is integrally connected through connector.Under the structure design, base portion and base
The combination of ring is more solid and reliable.
It is preferred that, the ball bearing is two-row ball bearing, and two row balls, each column rolling are provided between outer collar and inside race
Pearl, which corresponds, is combined with a retainer, and each retainer is provided with the rubber seal towards one end outside ball bearing
The basic ring, the axial two ends between outer collar and inside race are provided with the seal groove, and rubber seal is sealed with seal groove
Coordinate.Under the structure design, reach the excellent sealing of two-row ball bearing and ensure that its internal structure is compact.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the new ball bearing structure schematic diagram of the utility model specific embodiment；
Fig. 2 is the utility model specific embodiment retainer structural representation；
Fig. 3 is part A partial enlarged view in Fig. 2.
Embodiment
Referring to accompanying drawing 1 and accompanying drawing 2, a kind of new ball bearing disclosed in the utility model, including outer collar 1 and inside race 2,
Outer collar 1 is placed on outside inside race 2, and raceway and the sealing on the outside of raceway are provided between inside race 2 and the mating surface of outer collar 1
Groove, seal groove includes the interior vallecular cavity of the outer vallecular cavity 11 on the inner peripheral surface of outer collar 1 and the outer circumference surface located inside race 2
21, raceway is interior to be provided with ball 3 and retainer 4, and retainer 4 includes basic ring 41, and the axial side of basic ring 41 is some around being circumferentially with
Ball keeps recess 42, and ball 3 is placed in ball and kept in recess 42, and rubber seal 5, rubber are fixed with described basic ring 41
Seal 5 prolongs including the base portion 51 being fixed on basic ring 41, the outer rubber sealing lip 52 extended along outer radial and along interior radial direction
The interior rubber seal lip 53 stretched, outer rubber sealing lip 52 stretches into contact sealing in outer vallecular cavity 11 and coordinated, and interior rubber seal lip 53 is stretched
Enter contact sealing in interior vallecular cavity 21 to coordinate.It is close through being realized on retainer with rubber seal between the inside race and outer collar of bearing
Inside and outside rubber lip contact sealing and coordinated with seal groove on envelope, rubber seal, good seal performance, and rubber seal is with protecting
Hold frame combination, compact conformation；And under above-mentioned sealing structure so that moisten in the upper raceway groove in the lower channel and outer collar on inside race
Consistent lubricant is evenly distributed.
In this specific embodiment, the ball bearing is two-row ball bearing, provided with two row between outer collar 1 and inside race 2
Ball 3, each column ball 3, which is corresponded, is combined with a retainer 4, and each retainer 4 is provided with band towards one end outside ball bearing
The basic ring 41 of the rubber seal 5, the axial two ends between outer collar 1 and inside race 2 are provided with the seal groove, rubber
Glue seal 5 is sealed with seal groove to be coordinated.Multiple row roller is set between two row balls that certainly also can be in two-row ball bearing
Design；Single-row ball-bearing can also be applied to, the retainer of single-row ball-bearing can be designed using two-flap type, on two valves of retainer
The basic ring with said structure seal is all provided with, so as to realize that single-row ball-bearing two-port is sealed by retainer, certainly
Or the unilateral of single-row ball-bearing is sealed using the basic ring with above-mentioned rubber seal.
Wherein, the outer rubber sealing lip 52 keeps the one end of recess 42 to be obliquely installed axially towards ball, and outer rubber is close
Envelope lip 52 contacts sealing with the axial end of outer vallecular cavity 11 and coordinated, and interior rubber seal lip 53 keeps recess 42 axially towards ball
One end is obliquely installed, and interior rubber seal lip 53 contacts sealing with the axial end of interior vallecular cavity 21 and coordinated.Using axial contact seal,
There is provided better seal elasticity for outer rubber sealing lip and the axially inclined setting of interior rubber seal lip, it is ensured that sealing effectiveness.It is described outer
The ball that is axially facing of rubber seal lip 52 is kept between the side of recess 42 and the base portion 41 through cancave cambered surface transition connection and shape
Into the first relief groove 54, the ball that is axially facing of the interior rubber seal lip 53 is kept between the side of recess 42 and the base portion 41
Connected through cancave cambered surface transition and form the second relief groove 55.Under the structure design, it is ensured that connect between outer rubber sealing lip and base portion
Connect and connect reliable between interior rubber seal lip and base portion, the elastic deformation of outer rubber sealing lip and interior rubber seal lip is reliable,
Improve sealing property.
Ball is axially facing at the external diameter end of the outer rubber sealing lip 52 keeps the side of recess 42 to be provided with the first of ring-type
Convex ridge 521, the axial end of the first convex ridge 521 and outer vallecular cavity 11 is engaged.The interior rubber seal lip 53
Inner-diameter end is axially facing the second convex ridge 531 that ball keeps recess 41 side to be provided with ring-type, the second convex ridge 531 with it is interior
The axial end of vallecular cavity 21 is engaged.First convex ridge and the second convex ridge reliably can be connect with axial end
Touch sealing.
Make it that rubber seal and retainer are firmly combined with reliability, the internal side diameter of the basic ring 41 is extended with medial flange
411, the outside diameter of basic ring 41 is extended with outboard flanges 412, and the inner side that the base portion 51 is coated on medial flange 411 is U-shaped
Bound edge 511, the U-shaped bound edge 512 in outside and connector 513 for being coated on outboard flanges 412, the outer side wall of the U-shaped bound edge 511 in inner side
It is integrally connected with the outer side wall of the U-shaped bound edge in outside 512 through connector 513.The combination of base portion and basic ring is more solid and reliable.
Claims (7)
1. a kind of new ball bearing, including outer collar and inside race, outer collar are placed on outside inside race, inside race and outer collar coordinate
Raceway and the seal groove on the outside of raceway are provided between face, seal groove includes the outer vallecular cavity on the inner peripheral surface of outer collar
With the interior vallecular cavity of the outer circumference surface located inside race, raceway is interior to be provided with ball and retainer, and retainer includes basic ring, basic ring axle
Recess is kept around some balls are circumferentially with to side, ball is placed in ball and kept in recess, it is characterised in that：Described basic ring
On be fixed with rubber seal, base portion that rubber seal includes being fixed on basic ring, seal along the outer rubber that outer radial extends
Lip and along the interior interior rubber seal lip radially extended, outer rubber sealing lip stretches into the sealing cooperation of water jacket intracavity contact, interior rubber
Sealing lip stretches into the sealing cooperation of inside groove intracavity contact.
2. new ball bearing according to claim 1, it is characterised in that：The outer rubber sealing lip is protected axially towards ball
Hold recess one end to be obliquely installed, outer rubber sealing lip contacts sealing with the axial end of outer vallecular cavity and coordinated, interior rubber seal lip edge
Being axially facing ball keeps recess one end to be obliquely installed, and interior rubber seal lip contacts sealing with the axial end of interior vallecular cavity and coordinated.
3. new ball bearing according to claim 2, it is characterised in that：The ball that is axially facing of the outer rubber sealing lip is protected
Hold and connect and formed the first relief groove between recess side and the base portion through cancave cambered surface transition, the axle of the interior rubber seal lip
To keeping connecting through cancave cambered surface transition between recess side and the base portion towards ball and form the second relief groove.
4. new ball bearing according to claim 1 or claim 2, it is characterised in that：The external diameter end axial direction of the outer rubber sealing lip
First convex ridge of the recess side provided with ring-type is kept towards ball, the first convex ridge is contacted with the axial end of outer vallecular cavity
Coordinate.
5. new ball bearing according to claim 1 or claim 2, it is characterised in that：The inner-diameter end axial direction of the interior rubber seal lip
Second convex ridge of the recess side provided with ring-type is kept towards ball, the second convex ridge is contacted with the axial end of interior vallecular cavity
Coordinate.
6. new ball bearing according to claim 1 or claim 2, it is characterised in that：It is convex that the internal side diameter of the basic ring is extended with inner side
Edge, the outside diameter of basic ring is extended with outboard flanges, and the base portion is coated on the U-shaped bound edge in inner side of medial flange, is coated on
The U-shaped bound edge in outside and connector of outboard flanges, the outer side wall of the U-shaped bound edge of outer side wall and outside of the U-shaped bound edge in inner side is through even
Junctor is integrally connected.
7. new ball bearing according to claim 1 or claim 2, it is characterised in that：The ball bearing is two-row ball bearing, in overcoat
Two row balls are provided between circle and inside race, each column ball corresponds and is combined with a retainer, each retainer is towards ball
Bearing outer one end is provided with the basic ring with the rubber seal, and the axial two ends between outer collar and inside race are provided with
The seal groove, rubber seal is sealed with seal groove to be coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397057.0U CN206320185U (en) | 2016-12-19 | 2016-12-19 | A kind of new ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621397057.0U CN206320185U (en) | 2016-12-19 | 2016-12-19 | A kind of new ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320185U true CN206320185U (en) | 2017-07-11 |
Family
ID=59268100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621397057.0U Active CN206320185U (en) | 2016-12-19 | 2016-12-19 | A kind of new ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819144A (en) * | 2021-09-26 | 2021-12-21 | 珠海格力电器股份有限公司 | Bearing retainer, rolling ball bearing and motor |
-
2016
- 2016-12-19 CN CN201621397057.0U patent/CN206320185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819144A (en) * | 2021-09-26 | 2021-12-21 | 珠海格力电器股份有限公司 | Bearing retainer, rolling ball bearing and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Novel ball bearing Effective date of registration: 20190308 Granted publication date: 20170711 Pledgee: Agricultural Bank of China branch of Wenzhou economic and Technological Development Zone, Limited by Share Ltd. Pledgor: WENZHOU C&U AUTO BEARING CO.,LTD. Registration number: 2019330000069 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 16, Yong Jiang Road, Wenzhou economic and Technological Development Zone, Zhejiang, China Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Patentee after: WENZHOU C&U AUTO BEARING CO.,LTD. Address before: 325000 No. 16, Yong Jiang Road, Wenzhou economic and Technological Development Zone, Zhejiang, China Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. Patentee before: WENZHOU C&U AUTO BEARING Co.,Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201221 Granted publication date: 20170711 Pledgee: Agricultural Bank of China branch of Wenzhou economic and Technological Development Zone, Limited by Share Ltd. Pledgor: WENZHOU C&U AUTO BEARING Co.,Ltd. Registration number: 2019330000069 |