CN204553570U - Associated sealing arrangement for bearings - Google Patents
Associated sealing arrangement for bearings Download PDFInfo
- Publication number
- CN204553570U CN204553570U CN201520227894.8U CN201520227894U CN204553570U CN 204553570 U CN204553570 U CN 204553570U CN 201520227894 U CN201520227894 U CN 201520227894U CN 204553570 U CN204553570 U CN 204553570U
- Authority
- CN
- China
- Prior art keywords
- seal lip
- dust cover
- outside dust
- skeleton
- end part
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 53
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to a kind of associated sealing arrangement for bearings, comprise bearing outer ring, bearing inner race and black box, black box comprises inner seal circle and outside dust cover, the sectional shape of outside dust cover is L shape, inner seal circle comprises the skeleton and rubber seal that cross section is L shape, outside dust cover and skeleton mutually fasten and form the inner rectangle having cavity, rubber seal is provided with end part seal lip and side seal lip, the radial baffle ring madial wall interference fit of side seal lip and outside dust cover, rubber seal is also provided with the top seal lip outside the radial baffle ring being positioned at outside dust cover, top seal lip is located in the axially mounting cover portion of skeleton, top seal lip radially extends and crosses the radial baffle ring external diameter end of outside dust cover, top seal lip and outside dust cover Spielpassung.The utility model, has good seal performance and can ensure the reliable advantage of bearing rotary.
Description
Technical field
The utility model relates to sealing configuration technical field, is specifically related to a kind of associated sealing arrangement for bearings.
Background technique
Bearing widely uses in mechanical field, needs bearing to possess good sealability, ensure the normal operation of bearing simultaneously in increasing occasion; Especially, when comparatively severe for working environment, as hub bearing, it adopts combination seal assembly usually.
As " a kind of hub bearing " that China Patent No. is 201120440688.7, the seal arrangement that existing hub bearing disclosed in this patent documentation uses, include bearing inner race, bearing outer ring and black box, black box comprises outside dust cover and inner seal circle, outside dust cover and inner seal circle fasten the rectangle being formed and have cavity mutually, inner seal circle comprises skeleton and is coated on the rubber seal on skeleton, rubber seal is provided with sealing lip and realizes being sealed and matched, sealing lip comprises two end part sealing lip and both sides sealing lip, two end part sealing lip is positioned at inside the sealing lip of both sides, the radial seal baffle ring interference fit of both sides sealing lip and outside dust cover realizes sealing, the axis of two end part sealing lip and outside dust cover installs collar interference fit.But the design of the sealing device structure of existing hub bearing is unreasonable, after using certain hour, sealing lip easily weares and teares, and occurs seal failure, there is the defect of sealing effect difference.If increase the magnitude of interference of sealing lip at the beginning of manufacturing and designing, although can ensure that bearing uses later stage sealing effect good, add the running torque of bearing, thus cause the increase of Bearing inner heat.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of reasonable in design, good seal performance and can ensure the reliable associated sealing arrangement for bearings of bearing rotary.
For achieving the above object, the utility model provides following technological scheme: a kind of associated sealing arrangement for bearings, include bearing outer ring, bearing inner race and black box, black box includes inner seal circle and outside dust cover, the sectional shape of outside dust cover is L shape, outside dust cover includes radial baffle ring and axially installs the collar, inner seal circle comprises the skeleton that cross section is L shape and the rubber seal be attached on skeleton, skeleton includes radial plate portion and axially mounting cover portion, outside dust cover and skeleton mutually fasten and form the inner rectangle having cavity, described rubber seal is provided with end part seal lip and side seal lip, the radial baffle ring madial wall interference fit of side seal lip and outside dust cover, it is characterized in that: described rubber seal is also provided with the top seal lip outside the radial baffle ring being positioned at outside dust cover, top seal lip is located in the axially mounting cover portion of skeleton, top seal lip radially extends and crosses the radial baffle ring external diameter end of outside dust cover, top seal lip and outside dust cover Spielpassung.
By adopting technique scheme, the longitudinal end of top seal lip and outside dust cover is sealed and matched, realize sealing the port that inner seal circle and outside dust cover are formed, outside muddy water can be stoped to invade Bearing inner, bearing rotary moment can not be caused again excessive, reasonable in design, good seal performance and can ensure that bearing rotary is reliable.
The utility model is set to further: described end part seal lip has two, be respectively end part seal lip a and end part seal lip b, end part seal lip a is between end part seal lip b and side seal lip, the axis of described end part seal lip a and outside dust cover installs collar inner peripheral wall interference fit, the outer circle wall interference fit of end part seal lip b and bearing inner race.
By adopting technique scheme, the grease that prevents effectively improving sealing lip leaks, and improves sealability.
The utility model is set to further: described end part seal lip a offers circular groove circumferentially, be provided with spring ring in circular groove.
By adopting technique scheme, spring ring makes end part seal lip a and outside dust cover reliably conflict, and realizes sealing, simultaneously in bearing using process, compensates along with the increase of end part seal lip a wear extent, thus the sealing reliability ensured.
This practicality is newly set to further: the root of described end part seal lip b is towards the circular shape away from dust cover one end, outside projection.
By adopting technique scheme, the sealed elastic of end part seal lip b is good, and end part seal lip b and bearing inner race are conflicted reliably, thus ensures sealing reliability.
The utility model is set to further: the axially mounting cover portion of described skeleton is provided with relative to the other end being connected one end with radial plate portion the rib extended radially outwardly, the inner peripheral surface of bearing outer ring is provided with annular dustproof groove, on skeleton rib embedded axle bearing outer-ring annular dustproof groove in.
By adopting technique scheme, rib embeds in annular dustproof groove, enters Bearing inner add one barrier for preventing outside muddy water, improves the sealability between inner seal circle and bearing outer ring.
The utility model is set to further: described skeleton is positioned at radial plate portion and is connected corner with axially mounting cover portion and is provided with rubber body, and rubber body is positioned on the sidewall outside the corresponding described cavity of skeleton, and rubber body is conflicted with the inner peripheral surface of bearing outer ring and coordinated.
By adopting technique scheme, entering Bearing inner for preventing outside muddy water and adding one barrier, improve sealability.
The utility model is set to further: the radial baffle ring of described outside dust cover comprises the inner ring plate being positioned at radial inner end, be positioned at the outer ring plate of radial outer end, and the connection connecting inner ring plate and outer ring plate is tiltedly enclosed, outer ring plate tiltedly encloses close inner seal circle one end and connects with being connected.
By adopting technique scheme, ensure that the strength and stiffness of outside dust cover, simultaneously outside dust cover and inner seal circle cooperating structure compact.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment hub bearing structural representation;
Fig. 2 is Figure 1A part partial enlarged view.
Embodiment
See accompanying drawing 1, accompanying drawing 2, a kind of associated sealing arrangement for bearings disclosed in the utility model, includes bearing outer ring 1, bearing inner race 2 and black box, black box includes inner seal circle 3 and outside dust cover 4, the sectional shape of outside dust cover 4 is L shape, outside dust cover 4 includes radial baffle ring 41 and axially installs the collar 42, inner seal circle 3 comprises the skeleton 31 that cross section is L shape and the rubber seal 32 be attached on skeleton 31, skeleton 31 includes radial plate portion 311 and axially mounting cover portion 312, outside dust cover 4 and skeleton 31 mutually fasten and form the inner rectangle having cavity, described rubber seal 32 is provided with end part seal lip and side seal lip 321, the radial baffle ring 41 madial wall interference fit of side seal lip 321 and outside dust cover 4, described rubber seal 32 is also provided with the top seal lip 320 outside the radial baffle ring 41 being positioned at outside dust cover 4, top seal lip 320 is located in the axially mounting cover portion 312 of skeleton 31, top seal lip 320 radially extends and crosses the radial baffle ring 41 external diameter end of outside dust cover 4, top seal lip 320 and outside dust cover 4 Spielpassung.
Wherein, described end part seal lip has two, be respectively end part seal lip a322 and end part seal lip b323, end part seal lip a322 is between end part seal lip b323 and side seal lip 321, the axis of described end part seal lip a322 and outside dust cover 4 installs the collar 42 inner peripheral wall interference fit, the outer circle wall interference fit of end part seal lip b323 and bearing inner race 2.For ensureing that end part seal lip a coordinates reliably with outside dust cover, described end part seal lip a322 offering circular groove 3221 circumferentially, in circular groove 3221, being provided with spring ring 3222.Spring ring, by end part seal lip a banding, realizes reliably conflicting with outside dust cover, ensures that sealing is reliable, simultaneously in bearing using process, compensate along with the increase of end part seal lip a wear extent, thus the sealing reliability ensured.The root 3231 of described end part seal lip b323 is towards the circular shape away from outside dust cover 4 one end projection.The sealed elastic of end part seal lip b is good, and end part seal lip b and bearing inner race are conflicted reliably, thus ensures sealing reliability.
In this specific embodiment, the axially mounting cover portion 312 of described skeleton 31 is provided with relative to the other end being connected one end with radial plate portion 311 rib 313 extended radially outwardly, the inner peripheral surface of bearing outer ring 1 is provided with annular dustproof groove 11, on skeleton 31 rib 313 embedded axle bearing outer-ring 1 annular dustproof groove 11 in.Rib embeds in annular dustproof groove, enters Bearing inner add one barrier for preventing outside muddy water, improves the sealability between inner seal circle and bearing outer ring.
Be positioned at radial plate portion 311 at described skeleton 31 to be connected corner with axially mounting cover portion 312 and to be provided with rubber body 324, rubber body 324 is positioned on the sidewall outside the corresponding described cavity of skeleton 31, and rubber body 324 is conflicted with the inner peripheral surface of bearing outer ring 1 and coordinated.Rubber body realizes being formed between the skeleton of inner seal circle and bearing outer ring sealing, and enters Bearing inner add one barrier for preventing outside muddy water, improves sealability.
In this specific embodiment, the radial baffle ring 41 of described outside dust cover 4 comprises the inner ring plate 411 being positioned at radial inner end, be positioned at the outer ring plate 412 of radial outer end, and the connection connecting inner ring plate 411 and outer ring plate 412 tiltedly encloses 413, outer ring plate 412 tiltedly encloses 413 and connects near inner seal circle 3 one end with being connected.Namely, the oblique circle 413 of connection makes outer ring plate 412, and seal ring 3 is close to the inside, conveniently coordinate with the top seal lip 320 of inner seal circle 3, inner ring plate 411 is away from inner seal circle 3, convenient accommodation end part seal lip, outside dust cover 4 is compact with inner seal circle 3 cooperating structure, and under this shape, the strength and stiffness of outside dust cover 4 are good simultaneously.
Claims (7)
1. an associated sealing arrangement for bearings, include bearing outer ring, bearing inner race and black box, black box includes inner seal circle and outside dust cover, the sectional shape of outside dust cover is L shape, outside dust cover includes radial baffle ring and axially installs the collar, inner seal circle comprises the skeleton that cross section is L shape and the rubber seal be attached on skeleton, skeleton includes radial plate portion and axially mounting cover portion, outside dust cover and skeleton mutually fasten and form the inner rectangle having cavity, described rubber seal is provided with end part seal lip and side seal lip, the radial baffle ring madial wall interference fit of side seal lip and outside dust cover, it is characterized in that: described rubber seal is also provided with the top seal lip outside the radial baffle ring being positioned at outside dust cover, top seal lip is located in the axially mounting cover portion of skeleton, top seal lip radially extends and crosses the radial baffle ring external diameter end of outside dust cover, top seal lip and outside dust cover Spielpassung.
2. associated sealing arrangement for bearings according to claim 1, it is characterized in that: described end part seal lip has two, be respectively end part seal lip a and end part seal lip b, end part seal lip a is between end part seal lip b and side seal lip, the axis of described end part seal lip a and outside dust cover installs collar inner peripheral wall interference fit, the outer circle wall interference fit of end part seal lip b and bearing inner race.
3. associated sealing arrangement for bearings according to claim 2, is characterized in that: described end part seal lip a offers circular groove circumferentially, be provided with spring ring in circular groove.
4. associated sealing arrangement for bearings according to Claims 2 or 3, is characterized in that: the root of described end part seal lip b is towards the circular shape away from dust cover one end, outside projection.
5. associated sealing arrangement for bearings according to claim 1, it is characterized in that: the axially mounting cover portion of described skeleton is provided with relative to the other end being connected one end with radial plate portion the rib extended radially outwardly, the inner peripheral surface of bearing outer ring is provided with annular dustproof groove, on skeleton rib embedded axle bearing outer-ring annular dustproof groove in.
6. associated sealing arrangement for bearings according to claim 1 or 5, it is characterized in that: described skeleton is positioned at radial plate portion and is connected corner with axially mounting cover portion and is provided with rubber body, rubber body is positioned on the sidewall outside the corresponding described cavity of skeleton, and rubber body is conflicted with the inner peripheral surface of bearing outer ring and coordinated.
7. associated sealing arrangement for bearings according to claim 1, it is characterized in that: the radial baffle ring of described outside dust cover comprises the inner ring plate being positioned at radial inner end, be positioned at the outer ring plate of radial outer end, and the connection connecting inner ring plate and outer ring plate is tiltedly enclosed, outer ring plate tiltedly encloses close inner seal circle one end and connects with being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227894.8U CN204553570U (en) | 2015-04-15 | 2015-04-15 | Associated sealing arrangement for bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227894.8U CN204553570U (en) | 2015-04-15 | 2015-04-15 | Associated sealing arrangement for bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553570U true CN204553570U (en) | 2015-08-12 |
Family
ID=53828685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227894.8U Expired - Fee Related CN204553570U (en) | 2015-04-15 | 2015-04-15 | Associated sealing arrangement for bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553570U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909796A (en) * | 2016-06-17 | 2016-08-31 | 浙江万向精工有限公司 | Outer sealing assembly with two skeletons |
| CN109307015A (en) * | 2018-11-27 | 2019-02-05 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Combined type pressure stabilizing seals bearing |
| CN110594299A (en) * | 2019-09-25 | 2019-12-20 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integrated anti-falling high-sealing combined sealing ring |
| CN111664253A (en) * | 2019-03-08 | 2020-09-15 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN111998001A (en) * | 2020-07-13 | 2020-11-27 | 人本股份有限公司 | Shaft coupling bearing seal assembly |
| CN112303128A (en) * | 2019-07-31 | 2021-02-02 | 舍弗勒技术股份两合公司 | Sealing device |
| WO2022152319A1 (en) * | 2021-01-18 | 2022-07-21 | 舍弗勒技术股份两合公司 | Bearing and sealing device |
-
2015
- 2015-04-15 CN CN201520227894.8U patent/CN204553570U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909796A (en) * | 2016-06-17 | 2016-08-31 | 浙江万向精工有限公司 | Outer sealing assembly with two skeletons |
| CN109307015A (en) * | 2018-11-27 | 2019-02-05 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Combined type pressure stabilizing seals bearing |
| CN111664253A (en) * | 2019-03-08 | 2020-09-15 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN111664253B (en) * | 2019-03-08 | 2024-02-02 | 舍弗勒技术股份两合公司 | Sealing device and in-wheel motor driving system |
| CN112303128A (en) * | 2019-07-31 | 2021-02-02 | 舍弗勒技术股份两合公司 | Sealing device |
| CN110594299A (en) * | 2019-09-25 | 2019-12-20 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integrated anti-falling high-sealing combined sealing ring |
| CN111998001A (en) * | 2020-07-13 | 2020-11-27 | 人本股份有限公司 | Shaft coupling bearing seal assembly |
| WO2022152319A1 (en) * | 2021-01-18 | 2022-07-21 | 舍弗勒技术股份两合公司 | Bearing and sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bearing seals Effective date of registration: 20171221 Granted publication date: 20150812 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: 2017330000316 |
|
| PE01 | Entry into force 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: 20150812 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: 2017330000316 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |