CN107939839A - A kind of bearing with axial pretightening collocation structure - Google Patents
A kind of bearing with axial pretightening collocation structure Download PDFInfo
- Publication number
- CN107939839A CN107939839A CN201711406555.6A CN201711406555A CN107939839A CN 107939839 A CN107939839 A CN 107939839A CN 201711406555 A CN201711406555 A CN 201711406555A CN 107939839 A CN107939839 A CN 107939839A
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- CN
- China
- Prior art keywords
- dustproof cover
- bearing
- outer ring
- groove
- outer rim
- 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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Classifications
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
-
- 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
-
- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
A kind of bearing with axial pretightening collocation structure disclosed by the invention, including bearing inner race, bearing outer ring and the retainer being arranged between bearing inner race and bearing outer ring, ball is placed with the ball pocket of retainer, first dustproof cover is installed between the first side of bearing outer ring and the first side of bearing inner race, the second dustproof cover is installed between the second side；It is provided with the second side seal face in the second side of bearing outer ring, the second dustproof cover is caught in groove and the insertion of the second dustproof cover is raised；The outer rim of second dustproof cover is provided with the second side inner sealing surface, the second dustproof cover outer rim insertion protrusion, the second dustproof cover outer rim insertion groove and buffer part.The present invention on the second side dustproof cover by designing buffer part and buffering pretension boss so that has pretension compensation function after bearing assembling, reduces client and assemble use cost.
Description
Technical field
The present invention relates to technical field of bearings, more particularly to a kind of bearing with axial pretightening collocation structure.
Background technology
Bearing includes bearing outer ring, bearing inner race and installation and is put into steel ball therebetween, and steel ball is protected by retainer
Hold.In order to which dust-proof and sealing, some bearings set dustproof cover also between bearing outer ring and bearing inner race, dustproof cover is located at steel ball
Both sides.But after existing bearing installation, easily produce and radially shake, it is axial also to carry out pretension and compensation.
For this applicant carried out beneficial exploration and trial, result of the above problems is have found, will be detailed below being situated between
The scheme to continue is produced under this background.
The content of the invention
The technical problems to be solved by the invention are to provide one for the above-mentioned technical problem present in existing bearing
Bearing of the kind with axial pretightening collocation structure.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of bearing with axial pretightening collocation structure, including bearing inner race, bearing outer ring and it is arranged on the axis
The retainer between inner ring and bearing outer ring is held, ball is placed with the ball pocket of the retainer, the of the bearing outer ring
The first dustproof cover is installed between side and the first side of the bearing inner race, in the second side of the bearing outer ring and the axis
Hold and the second dustproof cover is installed between the second side of inner ring；The outer circumferential surface of the bearing inner race is cylindrical surface；Outside the bearing
Second side of circle is provided with the second side seal face, the second dustproof cover is caught in groove and the insertion of the second dustproof cover is raised, wherein second
The inner side groove face that side seal face is caught in groove with second dustproof cover is connected with each other, the raised medial surface of the second dustproof cover insertion
The outside groove face that groove is caught in second dustproof cover is combined into one, the raised lateral surface of the second dustproof cover insertion and institute
The second side surface for stating bearing outer ring is combined into one；Second dustproof cover includes skeleton and the rubber being coated on the skeleton
Material, the elastomeric material form the second dust cap body, and the inner edge of second dust cap body is provided with shape of a hoof sealing
Lip, forms between the shape of a hoof sealing lip and the outer circumferential surface of the bearing inner race and is tightly connected；Second dustproof cover
The outer rim of body is provided with the second side inner sealing surface, the second dustproof cover outer rim insertion protrusion, the second dustproof cover outer rim insertion groove
And buffer part, second side inner sealing surface inner surface raised with the second dustproof cover outer rim insertion are combined into one,
The raised outer surface of the second dustproof cover outer rim insertion and the inner side groove face of the second dustproof cover outer rim insertion groove close
Two be one, and the outside groove face and the medial surface of the buffer part of the second dustproof cover outer rim insertion groove are combined into one；Assembling
When, the second side seal face of second side of bearing outer ring is sealed with the second side inner sealing surface in second dust cap body
Connection, the second dustproof cover outer rim insertion protrusion of the second dust cap body outer rim are embedded into second side of bearing outer ring
Second dustproof cover is caught in groove, and it is dust-proof that the second dustproof cover of second side of bearing outer ring insertion protrusion is embedded into described second
In the second dustproof cover outer rim insertion groove of lid body outer rim, the buffer locations are in the outside of the bearing outer ring, buffer part
Medial surface and the bearing outer ring the second side surface between leave buffering and pretension gap.
In a preferred embodiment of the invention, it is convex that some buffering pretensions are evenly equipped with the lateral surface of the buffer part
Platform.
In a preferred embodiment of the invention, the buffering pretension boss is kidney-shaped.
In a preferred embodiment of the invention, the first side of the bearing outer ring is provided with orthogonal first side
Sealing surface and the first side card access surface；First dustproof cover is one time punching molded using cold-rolled steel sheet, first dustproof cover
Inner edge sets the interior sealing section of oriented ball direction fold, and the outer rim of the first dustproof cover is provided with orthogonal external seal section
With an Access Division, sealing is formed between the interior sealing section of the first dustproof cover inner edge and the outer circumferential surface of the bearing inner race and is connected
Connecing, the external seal section of the first dustproof cover outer rim is tightly connected with the first side seal face on first side of bearing outer ring,
Access Division on first dustproof cover is clamped with the first side card access surface on first side of bearing outer ring.
In a preferred embodiment of the invention, axially spaced-apart is provided with two on the outer circumferential surface of the bearing outer ring
Closure gasket groove, is placed with an O-ring seal in each closure gasket groove.
In a preferred embodiment of the invention, the retainer is molded using cold-rolling steel-plate punch.
As a result of technical solution as above, the present invention on the dustproof cover of side by designing buffer part and buffering pretension
Boss so that there is pretension compensation function after bearing assembling, reduce client and assemble use cost.The present invention is by outside bearing
Increase O-ring seal on circle, reduce vibration noise when bearing assembling uses, while reduce the radial vibration of material bearing and rise
To sealing function.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the right view of Fig. 1.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of bearing with axial pretightening collocation structure shown in figure, including bearing inner race
100th, bearing outer ring 200 and the retainer 300 being arranged between bearing inner race 100 and bearing outer ring 200, retainer 300
Ball 400 is placed with ball pocket.
First dustproof cover 500 is installed between in the first side of the first side of bearing outer ring 200 and bearing inner race 100,
Second dustproof cover 600 is installed between the second side of bearing outer ring 200 and the second side of bearing inner race 100.
The outer circumferential surface 110 of bearing inner race 100 is cylindrical surface.Second side of bearing outer ring 200 is provided with the second side seal
Face 210, the second dustproof cover are caught in 220 and second dustproof cover of groove insertion protrusion 230, wherein the second side seal face 210 and second
The inner side groove face that dustproof cover is caught in groove 220 is connected with each other, the medial surface and the second dustproof cover of the second dustproof cover insertion protrusion 230
The outside groove face for being caught in groove 220 is combined into one, and the of lateral surface and the bearing outer ring 200 of the second dustproof cover insertion protrusion 230
Two side surfaces 240 are combined into one.
Second dustproof cover 600 includes skeleton 610 and the elastomeric material being coated on skeleton 610, and elastomeric material forms second
Dust cap body 620, the inner edge of the second dust cap body 620 are provided with shape of a hoof sealing lip 621, shape of a hoof sealing lip
Formed and be tightly connected between 621 and the outer circumferential surface 110 of bearing inner race 100.
The outer rim of second dust cap body 620 is provided with the second side inner sealing surface 622, the second dustproof cover outer rim insertion protrusion
623rd, the second dustproof cover outer rim insertion groove 624 and buffer part 625, the second side inner sealing surface 622 and the second dustproof cover outer rim
The inner surface of embedded protrusion 623 is combined into one, the outer surface and the second dustproof cover of the second dustproof cover outer rim insertion protrusion 622
The inner side groove face of outer rim insertion groove 624 is combined into one, and the second dustproof cover outer rim is embedded in the outside groove face and buffer part of groove 624
625 medial surface 625a is combined into one.
During assembling, second on the second side seal face 210 and the second dust cap body 620 of 200 second side of bearing outer ring
Side inner sealing surface 622 is tightly connected, and the second dustproof cover outer rim insertion protrusion 623 of 620 outer rim of the second dust cap body is embedded into
Second dustproof cover of 200 second side of bearing outer ring is caught in groove 220, the second dustproof cover insertion of 200 second side of bearing outer ring
Protrusion 230 is embedded into the second dustproof cover outer rim insertion groove 624 of 620 outer rim of the second dust cap body, and buffer part 625 is located at
The outside of bearing outer ring 200, leaves slow between the medial surface 625a of buffer part 625 and the second side surface 240 of bearing outer ring 200
Punching and pretension gap A.
Some buffering pretension boss 625c, buffering pretension boss 625c are evenly equipped with the lateral surface 625b of buffer part 625
For kidney-shaped.
Orthogonal first side seal face, 250 and first side card access surface is provided with the first side of bearing outer ring 200
260。
First dustproof cover 500 is one time punching molded using cold-rolled steel sheet, and the inner edge of the first dustproof cover 500 sets oriented ball
The interior sealing section 510 of 400 directions fold, the outer rim of the first dustproof cover 500 are provided with orthogonal external seal section 520 and one
Access Division 530, forms sealing between the interior sealing section 510 of 500 inner edge of the first dustproof cover and the outer circumferential surface 110 of bearing inner race 100
Connection, external seal section 520 and the first side seal face 250 on 200 first side of bearing outer ring of 500 outer rim of the first dustproof cover seal
Connect, the Access Division 530 on the first dustproof cover 500 is clamped with the first side card access surface 260 on 200 first side of bearing outer ring.
Axially spaced-apart is provided with two closure gasket grooves 270,280, each closure gasket groove on the outer circumferential surface of bearing outer ring 200
270th, an O-ring seal 710,720 is placed with 280.
Retainer 300 is molded using cold-rolling steel-plate punch.
Claims (6)
1. a kind of bearing with axial pretightening collocation structure, including bearing inner race, bearing outer ring and it is arranged on the bearing
Retainer between inner ring and bearing outer ring, is placed with ball on the ball pocket of the retainer, the first of the bearing outer ring
The first dustproof cover is installed between side and the first side of the bearing inner race, in the second side of the bearing outer ring and the bearing
The second dustproof cover is installed between second side of inner ring；It is characterized in that, the outer circumferential surface of the bearing inner race is cylindrical surface；Institute
The second side for stating bearing outer ring is provided with the second side seal face, the second dustproof cover is caught in groove and the insertion of the second dustproof cover is raised,
The inner side groove face that wherein the second side seal face is caught in groove with second dustproof cover is connected with each other, and the insertion of the second dustproof cover is raised
Medial surface the outside groove face of groove be caught in second dustproof cover be combined into one, raised outer of the second dustproof cover insertion
Side and the second side surface of the bearing outer ring are combined into one；Second dustproof cover includes skeleton and is coated on the skeleton
On elastomeric material, the elastomeric material forms the second dust cap body, and the inner edge of second dust cap body is provided with horse
Ungulate sealing lip, forms between the shape of a hoof sealing lip and the outer circumferential surface of the bearing inner race and is tightly connected；Described
The outer rim of two dust cap bodies is provided with the second side inner sealing surface, the second dustproof cover outer rim insertion protrusion, the second dustproof cover outer rim
Embedded groove and buffer part, second side inner sealing surface inner surface raised with the second dustproof cover outer rim insertion close
Two be one, the inner side of the raised outer surface of the second dustproof cover outer rim insertion and the second dustproof cover outer rim insertion groove
Groove face is combined into one, and the outside groove face of the second dustproof cover outer rim insertion groove and the medial surface conjunction two of the buffer part are
One；During assembling, the second side seal face of second side of bearing outer ring with it is close in the second side in second dust cap body
Front cover is tightly connected, and the second dustproof cover outer rim insertion protrusion of the second dust cap body outer rim is embedded into the bearing outer ring
Second dustproof cover of the second side is caught in groove, and the second dustproof cover of second side of bearing outer ring insertion protrusion is embedded into described
In the second dustproof cover outer rim insertion groove of second dust cap body outer rim, the buffer locations are in the outer of the bearing outer ring
Buffering and pretension gap are left between second side surface of side, the medial surface of buffer part and the bearing outer ring.
2. a kind of bearing with axial pretightening collocation structure as claimed in claim 1, it is characterised in that in the buffer part
Lateral surface on be evenly equipped with it is some buffering pretension boss.
A kind of 3. bearing with axial pretightening collocation structure as claimed in claim 2, it is characterised in that the buffering pretension
Boss is kidney-shaped.
A kind of 4. bearing with axial pretightening collocation structure as claimed in claim 1, it is characterised in that the bearing outer ring
The first side be provided with orthogonal first side seal face and the first side card access surface；First dustproof cover uses cold-rolled steel sheet
One time punching molded, the inner edge of first dustproof cover sets the interior sealing section of oriented ball direction fold, the first dustproof cover
Outer rim is provided with orthogonal external seal section and an Access Division, interior sealing section and the axis of the first dustproof cover inner edge
Formation is tightly connected between holding the outer circumferential surface of inner ring, the external seal section of the first dustproof cover outer rim and the bearing outer ring first
The first side seal face on side is tightly connected, the Access Division on first dustproof cover and the on first side of bearing outer ring
Side card access surface clamping.
5. a kind of bearing with axial pretightening collocation structure as claimed in claim 1, it is characterised in that outside the bearing
Axially spaced-apart is provided with two closure gasket grooves on the outer circumferential surface of circle, and an O-ring seal is placed with each closure gasket groove.
6. a kind of bearing with axial pretightening collocation structure as claimed in claim 1, it is characterised in that the retainer is adopted
It is molded with cold-rolling steel-plate punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406555.6A CN107939839B (en) | 2017-12-22 | 2017-12-22 | Bearing with axial pretension compensation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406555.6A CN107939839B (en) | 2017-12-22 | 2017-12-22 | Bearing with axial pretension compensation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939839A true CN107939839A (en) | 2018-04-20 |
| CN107939839B CN107939839B (en) | 2021-04-02 |
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ID=61941149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406555.6A Active CN107939839B (en) | 2017-12-22 | 2017-12-22 | Bearing with axial pretension compensation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939839B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231862A (en) * | 2010-04-28 | 2011-11-17 | Ntn Corp | Rolling bearing |
| CN202484095U (en) * | 2012-01-11 | 2012-10-10 | 宁波市鄞州金鑫轴承五金有限公司 | Stainless steel water-sealed bearing |
| CN203670490U (en) * | 2014-01-20 | 2014-06-25 | 温岭市鑫标精密轴承有限公司 | Bearing |
| CN203717673U (en) * | 2014-03-08 | 2014-07-16 | 启东锦桥轴承有限公司 | Non-contact sealing ring bearing with shoulder protector |
| CN203770422U (en) * | 2014-03-31 | 2014-08-13 | 宁波慈兴轴承有限公司 | Axial shock absorption bearing with O-shaped ring on outer ring |
| CN207701608U (en) * | 2017-12-22 | 2018-08-07 | 上海中隆轴承有限公司 | A kind of bearing with axial pretightening collocation structure |
-
2017
- 2017-12-22 CN CN201711406555.6A patent/CN107939839B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011231862A (en) * | 2010-04-28 | 2011-11-17 | Ntn Corp | Rolling bearing |
| CN202484095U (en) * | 2012-01-11 | 2012-10-10 | 宁波市鄞州金鑫轴承五金有限公司 | Stainless steel water-sealed bearing |
| CN203670490U (en) * | 2014-01-20 | 2014-06-25 | 温岭市鑫标精密轴承有限公司 | Bearing |
| CN203717673U (en) * | 2014-03-08 | 2014-07-16 | 启东锦桥轴承有限公司 | Non-contact sealing ring bearing with shoulder protector |
| CN203770422U (en) * | 2014-03-31 | 2014-08-13 | 宁波慈兴轴承有限公司 | Axial shock absorption bearing with O-shaped ring on outer ring |
| CN207701608U (en) * | 2017-12-22 | 2018-08-07 | 上海中隆轴承有限公司 | A kind of bearing with axial pretightening collocation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107939839B (en) | 2021-04-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190926 Address after: 242200 Guangde Jianshe Road Economic Development Zone 5, Xuancheng, Anhui Applicant after: Guangde Zhonglong Bearing Co., Ltd. Address before: 201499, Shanghai, Fengxian District Pu Pu Industrial Zone, Pu Pu Avenue, No. 28 Applicant before: Shanghai Zhonglong Bearing Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |