CN114458695A - Novel sealed deep groove ball bearing - Google Patents
Novel sealed deep groove ball bearing Download PDFInfo
- Publication number
- CN114458695A CN114458695A CN202111616620.4A CN202111616620A CN114458695A CN 114458695 A CN114458695 A CN 114458695A CN 202111616620 A CN202111616620 A CN 202111616620A CN 114458695 A CN114458695 A CN 114458695A
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- Prior art keywords
- sealing
- ring
- steel skeleton
- lip
- ball bearing
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- Pending
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a novel sealed deep groove ball bearing, wherein sealing grooves are respectively arranged on an outer ring and an inner ring of the bearing, a sealing structure comprises a rubber sealing ring and a special-shaped steel skeleton, the rubber sealing ring is provided with an outer sealing lip, an inner contact lip and an inner non-contact lip, the outer contact lip is arranged at a trapezoidal convex section of a transverse section of the special-shaped steel skeleton, the outer contact lip and the convex section are embedded into the sealing groove of the outer ring, and the inner contact lip and the sealing groove of the inner ring form interference fit; the steel skeleton is an integral circular ring structure, and is characterized in that a trapezoidal convex section is arranged at the upper part of the steel skeleton, and the outer diameter of the steel skeleton and the small inner diameter of the outer ring sealing groove form interference fit. The sealing ring is embedded and is combined with interference, so that the reliability of the sealing ring after assembly is improved, multiple sealing is formed between the sealing inner lip and the sealing groove of the inner ring, the performance of dust prevention and grease leakage prevention of the sealing ring is far superior to that of the traditional sealing ring, the sealing ring can be assembled in a mechanical and automatic mode, and the labor intensity of workers is greatly reduced.
Description
Technical Field
The invention relates to a novel sealed deep groove ball bearing, in particular to a sealed deep groove ball bearing for a high-speed aeroengine, and belongs to the technical field of bearings.
Technical Field
Because the internal structure of the motor is complex, the oil circuit design is difficult, and therefore the motor bearing is usually lubricated by grease. At present, the bearing for the aviation motor has the disadvantages of severe service environment (high salt, high temperature, high humidity and the like) and high rotating speed, so the requirement on the sealing property of the bearing is higher and higher.
In the utility model with patent number ZL201920207342.9, a deep groove ball bearing with improved structure is provided, the deep groove ball bearing with the improved structure comprises an inner ring, an outer ring, a retainer arranged between the inner ring and the outer ring and a plurality of balls arranged on the retainer, wherein two annular dust covers are arranged between the inner ring and the outer ring, the retainer is positioned between the two dust covers, the outer sides of the dust covers are fixedly connected with the outer ring in a sealing way, the inner sides of the dust covers are bent towards the retainer to form annular guide parts, the guide part and the inner ring are coaxially arranged, the inner wall of the inner ring is provided with two annular grooves, the positions of the two annular grooves are respectively opposite to the two guide parts, one end of each guide part is inserted into the corresponding annular groove, the thickness of each guide part is smaller than the groove width of the annular groove, the gap between the guide part and the inner wall of the annular groove forms a tortuous passage, and the width of the tortuous passage is 0.1-0.3 mm.
In the utility model patent publication No. 201651034U, a non-contact sealed deep groove ball bearing is disclosed, in which sealing rings in the form of three-lip seals are provided on both end faces of an outer ring and an inner ring, the sealing rings are in interference fit with the outer ring, are not in contact with the inner ring, are spaced at a certain distance, and lubricating grease is injected into a space between the outer ring, the inner ring, a steel ball, a retainer and the sealing rings.
The invention patent document of publication No. 108488224a provides a deep groove ball bearing with a seal ring on both sides, which includes an inner ring, an outer ring, a seal ring, rivets, steel balls and two half-retainers, the outer ring and the inner ring are respectively provided with a raceway matched with the steel balls, the outer ring is sleeved on the inner ring, the two half-retainers are arranged between the outer ring and the inner ring, the two half-retainers are fixed by the rivets, the steel balls are arranged in pockets of the retainers, the intersections of the outer diameter of the inner ring and both ends are respectively provided with symmetrical inward-concave circular arcs, the positions of the inner side of the outer ring near both ends are respectively provided with symmetrical hook-shaped ring grooves, the side surfaces of the ring grooves form a certain angle with a plane in the radial direction, each ring groove is provided with a seal ring matched with the ring groove, the ring grooves and the seal rings are in interference fit, and the inner diameters of the seal rings are tightly attached to the circular arcs.
In the utility model patent of patent No. ZL201020245110.1, relate to an inner circle non-groove type deep ditch ball bearing sealing device, by the sealing washer inner lip, the sealing washer outer lip, inner circle chamfer and inner circle flange external diameter constitute, it is vice with forming the non-contact between the inner circle flange external diameter in the sealing washer inner lip, and extension sealing washer inner lip, form the transition nature contact between the sealing washer outer lip and the inner circle chamfer, form between sealing washer inner lip and the sealing washer outer lip and hold the alicyclic, can effectively play leak protection fat, prevent temperature rise and dustproof effect.
Although the sealing performance of the sealed deep groove ball bearing related to the patent document is improved, most aviation high-speed motors still adopt a structure that a contact inner lip is a single lip and a contact outer lip is in interference fit with an outer ring, and the problems of grease leakage, easy abrasion of the sealing lip and the like are still common. In order to increase the reliability of the assembled sealing ring and prevent the occurrence of the grease leakage phenomenon, the interference magnitude can be properly increased, but the interference magnitude is increased too much, so that the temperature rise and the friction torque of the bearing are increased, in addition, the reliability of the assembled sealing ring cannot be effectively improved due to the increase of the interference magnitude, the requirements on long service life and high reliability cannot be met, and the requirements of the bearing for the conventional aviation high-speed motor cannot be met.
Disclosure of Invention
The invention aims to solve the problems of poor sealing performance, serious grease leakage, easy abrasion of a sealing lip and the like, and simultaneously improve the reliability of a sealing ring after assembly and avoid the increase of temperature rise and friction torque of a bearing.
The technical scheme adopted by the invention is as follows: a novel sealed deep groove ball bearing comprises an outer ring, an inner ring, a steel ball, a retainer and a sealing ring, wherein an outer ring sealing groove and an inner ring sealing groove are respectively arranged on the outer ring and the inner ring; the steel skeleton is an integral circular structure, the transverse section of the steel skeleton is provided with a trapezoidal steel skeleton protruding section, the outer diameter of the skeleton and the small inner diameter of the outer ring sealing groove form interference fit, the steel skeleton and the sealing ring are tightly fixed together, the rubber sealing ring is arranged on the inner side of the steel skeleton, and the outer side of the steel skeleton is in contact with the outside.
The novel sealed deep groove ball bearing is characterized in that a guide bevel edge which forms an included angle of 150 degrees with the small inner diameter of an outer ring sealing groove is arranged at the end face of the outer ring sealing groove.
The novel sealed deep groove ball bearing is characterized in that the bottom diameter of the outer ring sealing groove and the small inner diameter of the outer ring sealing groove form 135-degree transition.
The novel sealed deep groove ball bearing is characterized in that the included angle between the upper part of the contact inner lip and the steel skeleton is 120 degrees.
The novel sealed deep groove ball bearing is characterized in that the included angle between the lower part of the contact inner lip and the steel skeleton is 50 degrees.
The novel sealed deep groove ball bearing is characterized in that the included angle between the non-contact inner lip and the contact inner lip is 100 degrees.
The novel sealed deep groove ball bearing is characterized in that the outer sealing lip covers the protruding section of the steel skeleton.
The novel sealed deep groove ball bearing is characterized in that the protruding section of the steel skeleton is trapezoidal.
The novel sealed deep groove ball bearing is characterized in that the transverse section of the steel skeleton is provided with a trapezoidal steel skeleton protruding section, and the included angle between the steel skeleton protruding section and the transverse section of the steel skeleton is 120 degrees.
The novel sealed deep groove ball bearing is characterized in that an austenitic stainless steel plate 06Cr17Ni12Mo2 is selected as a steel skeleton material.
Compared with the prior art, the invention has the beneficial effects that: the research and development of novel sealed deep groove ball bearing adopts the sealing washer to add the form that the interference combined together through the embedding, has increased sealing washer post-assembly reliability, and the multiple seal that forms between sealed inner lip and the inner circle seal groove has played better sealed effect, can effectively prevent the leakage of the inside lubricating grease of bearing, makes the life of bearing improve more than 2 times, and this seal structure can adopt mechanical automation assembly, has greatly reduced workman intensity of labour, has increased the benefit.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is an enlarged view of the sealing portion of the present invention.
FIG. 3 is a cross-sectional view of an outer race seal groove of the present invention.
Fig. 4 is a cross-sectional view of a seal structure of the present invention.
Fig. 5 is a sectional view of the rubber seal ring of the present invention.
FIG. 6 is a cross-sectional view of the steel skeleton of the present invention.
In the figure, 01, an outer ring, 02, an inner ring, 03, a steel ball, 04, a retainer, 05, a sealing structure, 06, a rubber sealing ring, 07, a steel skeleton, 08, an outer ring sealing groove, 09, an inner ring sealing groove, 051, a sealing outer lip, 052, a sealing contact inner lip, 053, a sealing non-contact inner lip, 054, a steel skeleton protruding section, 055, a steel skeleton transverse section, 056 and a steel skeleton supporting body.
Detailed Description
The technical solutions in the embodiments of the present invention will be fully described below with reference to the accompanying drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 4 and 6, the novel sealed deep groove ball bearing comprises an outer ring (01), an inner ring (02), a steel ball (03), a retainer (04) and a sealing structure (05), an outer ring sealing groove (08) and an inner ring sealing groove (09) are respectively arranged on an outer ring and an inner ring of the bearing, two sealing structures (05) are respectively arranged on two sides of the outer ring and the inner ring, each sealing structure (05) comprises a rubber sealing ring (06) and a special-shaped steel skeleton (07), the rubber sealing ring (06) is provided with an outer sealing lip (051), an inner contact lip (052) and an inner non-contact lip (053), the outer contact lip (051) is arranged at a trapezoidal steel skeleton protruding section (054) of a transverse section (055) of the steel skeleton, the outer contact lip (051) and the steel skeleton protruding section (054) are embedded into the outer ring sealing groove (08), and the inner contact lip (052) and the inner ring sealing groove (09) form interference fit; the steel skeleton (07) is an integral circular ring structure, the transverse section (055) of the steel skeleton is provided with a trapezoidal steel skeleton protruding section (054), and the outer diameter of the skeleton and the small inner diameter of the outer ring sealing groove (08) form interference fit.
As shown in fig. 4, the steel skeleton (07) and the rubber sealing ring (06) are tightly fixed together, the rubber sealing ring (06) is arranged at the inner side of the steel skeleton supporting main body (056), and the outer side of the steel skeleton supporting main body (056) is in contact with the outside.
As shown in fig. 3, the outer ring (01) is provided with a guiding bevel edge which forms an included angle alpha of 150 degrees with the small inner diameter of the outer ring sealing groove at the end surface, and the bottom diameter of the outer ring sealing groove (08) and the small inner diameter of the outer ring sealing groove form a transition with an included angle beta of 135 degrees.
As shown in fig. 5, an included angle γ between the upper portion of the contact inner lip (052) and the steel skeleton (07) is 120 °, an included angle θ between the lower portion of the contact inner lip (052) and the steel skeleton (07) is 50 °, and an included angle δ between the non-contact inner lip (053) and the contact inner lip (052) is 100 °.
As shown in fig. 4 and 6, the outer lip (051) wraps the steel skeleton projecting section (054) of the steel skeleton transverse section (055).
The material of the rubber sealing ring (06) shown in fig. 5 is selected from fluororubber.
As shown in fig. 6, the steel skeleton transverse segment (055) is provided with a steel skeleton convex segment (054), and an included angle psi between the steel skeleton convex segment (054) and the steel skeleton transverse segment (055) is 120 °.
The steel skeleton (07) shown in fig. 6 is made of austenitic stainless steel plate 06Cr17Ni12Mo 2.
Claims (10)
1. A novel sealed deep groove ball bearing comprises an outer ring (01), an inner ring (02), a steel ball (03), a retainer (04) and a sealing structure (05), wherein an outer ring sealing groove (08) and an inner ring sealing groove (09) are respectively arranged on the outer ring and the inner ring of the bearing, two sealing structures (05) are respectively arranged on two surfaces of the outer ring and the inner ring, each sealing structure (05) comprises a rubber sealing ring (06) and a special-shaped steel skeleton (07), each rubber sealing ring (06) is provided with a sealing outer lip (051), a contact inner lip (052) and a non-contact inner lip (053), and the novel sealed deep groove ball bearing is characterized in that the contact outer lip (051) is arranged at a steel skeleton convex section (054) of a transverse section (055) of the steel skeleton, the contact outer lip (051) and the steel skeleton convex section (054) are embedded into the outer ring sealing groove (08), and the contact inner lip (052) is in interference fit with the inner ring sealing groove (09); the steel skeleton (07) is of an integral circular ring structure, the outer diameter of the skeleton and the small inner diameter of the outer ring sealing groove (08) form interference fit, the steel skeleton (07) and the rubber sealing ring (06) are tightly fixed together, the rubber sealing ring (06) is arranged on the inner side of the steel skeleton supporting main body (056), and the outer side of the steel skeleton supporting main body (056) is in contact with the outside.
2. The novel sealed deep groove ball bearing of claim 1, wherein: and a guide bevel edge forming an included angle of 150 degrees with the small inner diameter of the outer ring sealing groove (08) is arranged on the end surface of the outer ring sealing groove (08).
3. The novel sealed deep groove ball bearing as claimed in claim 1, wherein the bottom diameter of the outer ring seal groove and the small inner diameter of the outer ring seal groove form a 135 ° transition.
4. The new sealed deep groove ball bearing as claimed in claim 1, characterized in that the angle between the upper part of the contact inner lip (052) and the steel skeleton (07) is 120 °.
5. The new sealed deep groove ball bearing as claimed in claim 1, characterized in that the angle between the lower part of the contact inner lip (052) and the steel skeleton (07) is 50 °.
6. The novel sealed deep groove ball bearing according to claim 1, characterized in that the included angle between the non-contact inner lip (053) and the contact inner lip (052) is 100 °.
7. The novel sealed deep groove ball bearing as claimed in claim 1, wherein the outer lip (051) covers the steel skeleton protruding section (054).
8. The new sealed deep groove ball bearing as claimed in claim 1, characterized in that the steel skeleton protruding section (054) is trapezoidal.
9. The novel sealed deep groove ball bearing as claimed in claim 1, wherein the steel skeleton transverse section (055) is provided with a steel skeleton convex section (054), and the included angle between the steel skeleton convex section (054) and the steel skeleton transverse section (055) is 120 °.
10. The sealed deep groove ball bearing as claimed in claim 1, characterized in that the steel skeleton (07) is made of austenitic stainless steel plate 06Cr17Ni12Mo 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111616620.4A CN114458695A (en) | 2021-12-28 | 2021-12-28 | Novel sealed deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111616620.4A CN114458695A (en) | 2021-12-28 | 2021-12-28 | Novel sealed deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114458695A true CN114458695A (en) | 2022-05-10 |
Family
ID=81407885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111616620.4A Pending CN114458695A (en) | 2021-12-28 | 2021-12-28 | Novel sealed deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114458695A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048327A (en) * | 2008-08-21 | 2010-03-04 | Ntn Corp | Angular contact ball bearing, double-row angular contact ball bearing, and roller bearing |
| JP2012167812A (en) * | 2010-11-09 | 2012-09-06 | Nsk Ltd | Sealing device and rolling device |
| CN203285858U (en) * | 2013-05-13 | 2013-11-13 | 环驰轴承集团有限公司 | Bearing sealing ring |
| US20150247533A1 (en) * | 2012-10-25 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Sealing element for a rolling bearing |
| CN204878353U (en) * | 2015-08-18 | 2015-12-16 | 上海人本集团有限公司 | Seal ring for bearing |
| CN205780346U (en) * | 2016-05-17 | 2016-12-07 | 安徽库伯密封技术有限公司 | A kind of automobile assembling frame installation structure |
| CN207795874U (en) * | 2017-12-19 | 2018-08-31 | 杭州人本中型轴承有限公司 | A kind of bearing seal structure |
| CN109538637A (en) * | 2018-12-27 | 2019-03-29 | 无锡市利钧轴承有限公司 | Bearing sealed ring |
| JP2020041659A (en) * | 2018-09-13 | 2020-03-19 | Ntn株式会社 | Ball bearing |
| CN214171146U (en) * | 2020-12-31 | 2021-09-10 | 宁波更大集团有限公司 | Bearing sealing structure and high-speed sealing bearing thereof |
-
2021
- 2021-12-28 CN CN202111616620.4A patent/CN114458695A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010048327A (en) * | 2008-08-21 | 2010-03-04 | Ntn Corp | Angular contact ball bearing, double-row angular contact ball bearing, and roller bearing |
| JP2012167812A (en) * | 2010-11-09 | 2012-09-06 | Nsk Ltd | Sealing device and rolling device |
| US20150247533A1 (en) * | 2012-10-25 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Sealing element for a rolling bearing |
| CN203285858U (en) * | 2013-05-13 | 2013-11-13 | 环驰轴承集团有限公司 | Bearing sealing ring |
| CN204878353U (en) * | 2015-08-18 | 2015-12-16 | 上海人本集团有限公司 | Seal ring for bearing |
| CN205780346U (en) * | 2016-05-17 | 2016-12-07 | 安徽库伯密封技术有限公司 | A kind of automobile assembling frame installation structure |
| CN207795874U (en) * | 2017-12-19 | 2018-08-31 | 杭州人本中型轴承有限公司 | A kind of bearing seal structure |
| JP2020041659A (en) * | 2018-09-13 | 2020-03-19 | Ntn株式会社 | Ball bearing |
| CN109538637A (en) * | 2018-12-27 | 2019-03-29 | 无锡市利钧轴承有限公司 | Bearing sealed ring |
| CN214171146U (en) * | 2020-12-31 | 2021-09-10 | 宁波更大集团有限公司 | Bearing sealing structure and high-speed sealing bearing thereof |
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