CN112211912B - Bearing limiting retainer ring - Google Patents
Bearing limiting retainer ring Download PDFInfo
- Publication number
- CN112211912B CN112211912B CN202010979611.0A CN202010979611A CN112211912B CN 112211912 B CN112211912 B CN 112211912B CN 202010979611 A CN202010979611 A CN 202010979611A CN 112211912 B CN112211912 B CN 112211912B
- Authority
- CN
- China
- Prior art keywords
- bearing
- retainer ring
- slider
- limiting
- axial
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention belongs to the technical field of bearings, and discloses a bearing limiting retainer ring, which comprises: a bearing limit retainer ring main body; the bearing limit retainer ring main body is provided with an axial limit surface; the axial limiting surface is provided with an axially convex limiting boss, and the radial inner side surface of the limiting boss is provided with a radial limiting surface. The bearing limiting retainer ring provided by the invention can be matched with a small-gap assembly mode, and axial and radial bidirectional limiting of the bearing is realized.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a bearing limiting retainer ring.
Background
In the prior art, when the middle support bearing of the driving shaft handle and the driving shaft fixing support adopt a split structure, small clearance fit is mostly adopted, and a small clearance exists between the two; for this reason, a limit stop ring is usually used to fasten the intermediate support bearing to the bracket; however, only the axial displacement of the bearing can be restricted, and the radial offset of the bearing cannot be restricted.
Disclosure of Invention
The invention provides a bearing limiting retainer ring, which solves the technical problem that the bearing limiting retainer ring in the prior art cannot limit radial displacement.
In order to solve the technical problem, the invention provides a bearing limit retainer ring, which comprises: a bearing limit retainer ring main body;
the bearing limit retainer ring main body is provided with an axial limit surface;
the axial limiting surface is provided with an axially convex limiting boss, and the radial inner side surface of the limiting boss is provided with a radial limiting surface.
Furthermore, a first cambered surface which is sunken inwards is arranged on the radial limiting surface.
Furthermore, the number of the limiting bosses is multiple, and the limiting bosses are arranged along the radial direction of the axial limiting surface in a mode of increasing the height.
Furthermore, a first fastening part and a second fastening part are arranged on the bearing limit retainer ring main body;
the first fastening part is provided with a screw hole penetrating through the first fastening part, and the second fastening part is provided with a screw joint opening penetrating through the second fastening part;
the inner side surface of the screw joint notch is provided with a semicircular arc surface, and the semicircular arc surface is provided with threads.
Furthermore, a first sliding block capable of sliding along the radial direction of the axial limiting surface is arranged on the first fastening portion, and a first fastening through slot hole penetrating through the first sliding block is formed in the first sliding block.
Furthermore, one side of the first sliding block, which is close to the circle center of the axial limiting retainer ring, is provided with a second cambered surface which is sunken inwards.
Furthermore, a first inverted T-shaped sliding groove is formed in the first fastening portion, an inverted first T-shaped sliding block is formed at the bottom of the first sliding block, and the first inverted T-shaped sliding block is slidably embedded in the first inverted T-shaped sliding groove.
Furthermore, a second sliding block capable of sliding along the radial direction of the axial limiting surface is arranged on the second fastening portion, and a second fastening through slot hole penetrating through the second sliding block is formed in the second sliding block.
Furthermore, one side of the second sliding block, which is close to the circle center of the axial limiting retainer ring, is provided with a third cambered surface which is sunken inwards.
Furthermore, a second inverted T-shaped sliding groove is formed in the second fastening portion, a second inverted T-shaped sliding block is formed at the bottom of the second sliding block, and the second inverted T-shaped sliding block is slidably embedded in the second inverted T-shaped sliding groove.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the bearing limiting retainer ring provided by the embodiment of the application, the axial convex limiting boss is arranged on the axial limiting surface, the side surface of the limiting boss is used as a supporting surface, and the bearing is radially supported, so that the radial supporting and limiting are realized on the basis of axial limiting; therefore, reliable radial and axial bidirectional limiting is realized in a small-clearance fit mode of the bearing, the shaking of the middle bearing in two vertical directions is greatly inhibited, the service life of the bearing is prolonged, and the derived problems of deflection, abnormal wear failure and the like are avoided.
Drawings
Fig. 1 is a schematic structural diagram of a bearing limit retainer ring provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first slider according to an embodiment of the present invention;
FIG. 3 is a schematic view of an assembled cross-sectional structure of a bearing retainer ring according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic front view of a bearing limit retainer ring according to an embodiment of the present invention.
Detailed Description
The embodiment of the application provides a bearing limiting retainer ring, and solves the technical problem that the bearing limiting retainer ring in the prior art cannot limit radial displacement.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1, 3 and 5, a bearing retainer ring includes: a bearing limit retainer ring main body 3; the bearing limit retainer ring main body 3 is provided with an axial limit surface 32; the axial limiting surface 32 is provided with an axially convex limiting boss 31, and the radial inner side surface of the limiting boss 31 is provided with a radial limiting surface.
That is, one surface of the bearing limit retainer ring main body 3 for axially abutting against the bearing 2 for axial limit is the axial limit surface 32; and, set up the axial bulge on the said axial spacing surface 32, the side of the said axial bulge can be regarded as the bearing surface of the said bearing 2, thus realize the radial spacing, regarded as the radial spacing surface. Thereby restricting the displacement of the bearing 2 from the axial direction and the radial direction, suppressing the problems of shaking, deflection, shaking and the like in the axial direction and the radial direction, and improving the quality of the small clearance fit of the bearing 2.
Referring to fig. 2, in order to adapt to a small intermittent matching mode, in combination with the edge arc chamfer of the bearing 2, the radial limiting surface is provided with a first inward-concave arc surface, so that the radial limiting surface can be fully coupled and limited. In this embodiment, the opening angle of the first arc surface is 111.7 degrees.
It should be noted that the first arc surface does not necessarily completely cover the radial limiting surface, but is locally disposed, and only couples with the chamfer edge region of the bearing 2; and a corresponding plane can be arranged on the contact surface area of the bearing to realize stable supporting and limiting of the whole area surface.
On the other hand, in order to stabilize the balance between the radial limit and the axial limit, the limit boss 31 may be integrally arranged in a circular arc boss structure matching the circular arc shape of the bearing 2; of course, it is not excluded to provide the circular arc shaped boss structure as a plurality of discrete boss structures, but arranged in a circular arc shape as a whole.
In this embodiment, the main body 3 of the bearing limit retainer ring is a typical semi-arc sheet-shaped piece, and the axial limit surface 32 plays a role of axial limit and is located at the radial inner side of the plate surface of the semi-arc sheet-shaped piece; correspondingly, the limiting boss 31 is located at the radial outer side part of the plate surface of the semi-arc-shaped plate profile.
In order to adapt to the installation situation of bearings of various specifications, the number of the limiting bosses 31 is multiple, and the multiple limiting bosses 31 are arranged along the radial direction of the axial limiting surface 32 in a mode of increasing the height; that is to say, be the echelonment and arrange, can adapt to the bearing assembly demand of various specifications.
Referring to fig. 3, the semi-arc shaped sheet profile is generally provided with fixing portions at both ends thereof and with screw holes so as to be fixed to the bearing bracket 1 by screws or bolts 6.
Specifically, the bearing limit retainer ring main body 3 is provided with a first fastening part 33 and a second fastening part 36; the first fastening part 33 is provided with a screw hole 34 penetrating through the first fastening part 33, and the second fastening part 36 is provided with a screw joint gap 38 penetrating through the second fastening part 36; the inner side surface of the screw joint notch 38 is provided with a semicircular arc surface, and the semicircular arc surface is provided with a thread, so that the screw joint notch can be fixed through a threaded connecting piece.
More importantly, when the bearing is disassembled and assembled, the threaded connection piece can be released from the threaded opening 38 only by unscrewing the threaded connection piece, so that the bearing 2 can be released by rotating the bearing limit retainer ring main body 3, and the disassembling and assembling efficiency is greatly improved.
Referring to fig. 1 and 5, in order to further improve the limit adaptability of the radial limit and meet the requirements of more detailed and wider bearing specifications, the first fastening portion 33 is provided with a first sliding block 4 capable of sliding along the radial direction of the axial limit surface 32, and the first sliding block 4 is provided with a first fastening through-slot hole 43 penetrating through the first sliding block 4.
When the bearing support is assembled on the bearing support 1, the first sliding block 4 can be slid to adapt to different bearing specifications, linear adjustment can be realized, and then the first sliding block is fixed on the first fastening part 33 and the bearing support 1 through threaded fasteners, so that bearing limiting and assembling positioning can be accurately realized, and the bearing support is particularly suitable for limiting the middle support bearing.
It is worth mentioning that the first sliding block 4 can also be matched with the limit boss 31 to realize accurate positioning and limit.
To adapt the linear adjustment, the first through-slot fastening hole 43 can be configured as a kidney-shaped hole, which can be adapted to the fixing requirements in the case of position adjustment.
Referring to fig. 1, one side of the first slider 4 close to the center of the axial limiting retainer ring is provided with a second cambered surface 41 which is recessed inwards and used for coupling with a fillet of the bearing 2.
Furthermore, a first inverted T-shaped sliding groove 34 is formed in the first fastening portion 33, an inverted first T-shaped sliding block 42 is formed at the bottom of the first sliding block 4, and the first inverted T-shaped sliding block 42 is slidably embedded in the first inverted T-shaped sliding groove 34; the sliding can be realized, and simultaneously, the reliable sliding fixation can be realized.
Similarly, the second fastening portion 36 is provided with a second sliding block 5 capable of sliding along the radial direction of the axial limiting surface, and the second sliding block 5 is provided with a second fastening through-slot hole 53 penetrating through the second sliding block 5.
And the second fastening through slot hole 53 is provided with a notch 51 for matching with the screw joint notch 38, so that convenient disassembly and assembly can be realized.
One side of the second sliding block 5, which is close to the circle center of the axial limiting retainer ring, is provided with a third cambered surface which is sunken inwards and is matched with the fixed bearing 2.
Further, a second inverted T-shaped sliding groove 37 is formed in the second fastening portion 36, a second inverted T-shaped sliding block 52 is formed at the bottom of the second sliding block 5, and the second inverted T-shaped sliding block 52 is slidably embedded in the second inverted T-shaped sliding groove 37.
Referring to fig. 3 and 4, after the rotating shaft 7 is assembled on the bearing 2, the bearing 2 is fixed on the bearing bracket 1 through the bearing limit retainer body 3.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the bearing limiting retainer ring provided by the embodiment of the application, the axial convex limiting boss is arranged on the axial limiting surface, the side surface of the limiting boss is used as a supporting surface, and the bearing is radially supported, so that the radial supporting and limiting are realized on the basis of axial limiting; therefore, reliable radial and axial bidirectional limiting is realized in a small-clearance fit mode of the bearing, the shaking of the middle bearing in two vertical directions is greatly inhibited, the service life of the bearing is prolonged, and the derived problems of deflection, abnormal wear failure and the like are avoided.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a spacing retaining ring of bearing which characterized in that includes: a bearing limit retainer ring main body;
the bearing limit retainer ring main body is provided with an axial limit surface;
the axial limiting surface is provided with an axially convex limiting boss, and the radial inner side surface of the limiting boss is provided with a radial limiting surface;
the bearing limiting retainer ring main body is provided with a first fastening part and a second fastening part;
the first fastening part is provided with a screw hole penetrating through the first fastening part, and the second fastening part is provided with a screw joint opening penetrating through the second fastening part;
the inner side surface of the screw joint notch is provided with a semicircular arc surface, and the semicircular arc surface is provided with threads.
2. The bearing limit retainer ring of claim 1, wherein the radial limit surface is provided with a first cambered surface which is recessed.
3. The retainer ring according to claim 1 or 2, wherein the plurality of retainer bosses are arranged in a manner of increasing height in a radial direction of the axial retainer surface.
4. The bearing limit retainer ring according to claim 1, wherein the first fastening portion is provided with a first slider capable of sliding in a radial direction of the axial limit surface, and the first slider is provided with a first fastening through-slot hole penetrating through the first slider.
5. The bearing retainer ring of claim 4, wherein a side of the first slider, which is close to the center of the axial retainer ring, is provided with a second cambered surface which is recessed inwards.
6. The retainer ring according to claim 5, wherein the first fastening portion has a first inverted T-shaped groove, the bottom of the first slider has a first inverted T-shaped slider, and the first inverted T-shaped slider is slidably inserted into the first inverted T-shaped groove.
7. The bearing limit retainer ring according to claim 1, wherein the second fastening portion is provided with a second slider capable of sliding in the radial direction of the axial limit surface, and the second slider is provided with a second fastening through-slot hole penetrating through the second slider.
8. The bearing retainer ring of claim 7, wherein a third arc surface is formed on the second slider at a side close to the center of the axial retainer ring.
9. The bearing retainer ring of claim 8, wherein the second fastening portion defines a second inverted-T-shaped groove, the bottom of the second slider defines a second inverted-T-shaped slider, and the second inverted-T-shaped slider is slidably inserted into the second inverted-T-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979611.0A CN112211912B (en) | 2020-09-17 | 2020-09-17 | Bearing limiting retainer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979611.0A CN112211912B (en) | 2020-09-17 | 2020-09-17 | Bearing limiting retainer ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112211912A CN112211912A (en) | 2021-01-12 |
| CN112211912B true CN112211912B (en) | 2021-11-16 |
Family
ID=74049931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010979611.0A Active CN112211912B (en) | 2020-09-17 | 2020-09-17 | Bearing limiting retainer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112211912B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682089B (en) * | 2021-09-28 | 2023-04-25 | 东风汽车集团股份有限公司 | Limiting device for driving half shaft bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463856A (en) * | 2008-04-24 | 2009-06-24 | 上海日用-友捷汽车电气有限公司 | Bearing ring |
| CN102416593A (en) * | 2011-12-09 | 2012-04-18 | 赵四男 | Bearing centering device |
| CN105715680A (en) * | 2014-12-03 | 2016-06-29 | 中航通飞研究院有限公司 | Bearing axial fixation method |
| DE102016212376A1 (en) * | 2016-07-07 | 2018-01-11 | Zf Friedrichshafen Ag | Bearing seat with reduced rigidity |
| CN208546203U (en) * | 2018-05-28 | 2019-02-26 | 东风汽车集团有限公司 | A kind of engine cam axial limit structure and its arragement construction |
-
2020
- 2020-09-17 CN CN202010979611.0A patent/CN112211912B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463856A (en) * | 2008-04-24 | 2009-06-24 | 上海日用-友捷汽车电气有限公司 | Bearing ring |
| CN102416593A (en) * | 2011-12-09 | 2012-04-18 | 赵四男 | Bearing centering device |
| CN105715680A (en) * | 2014-12-03 | 2016-06-29 | 中航通飞研究院有限公司 | Bearing axial fixation method |
| DE102016212376A1 (en) * | 2016-07-07 | 2018-01-11 | Zf Friedrichshafen Ag | Bearing seat with reduced rigidity |
| CN208546203U (en) * | 2018-05-28 | 2019-02-26 | 东风汽车集团有限公司 | A kind of engine cam axial limit structure and its arragement construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112211912A (en) | 2021-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9169874B2 (en) | Peripheral sealing arrangement | |
| CN112211912B (en) | Bearing limiting retainer ring | |
| CN109488570B (en) | Cylinder head assembly and compressor | |
| JP2003528552A (en) | Bearing system with flexible bearing bracket | |
| US20060159567A1 (en) | Hand-held vacuum pump and automated urinary drainage system using pump thereof | |
| CN109488571B (en) | Cylinder head assembly and compressor | |
| CN109505758B (en) | Cylinder head assembly and compressor | |
| JP2012057796A (en) | Double-lip dust-proof wiper structure of ball screw | |
| CN219263007U (en) | Dedicated transmission main shaft of heavy high-speed centrifuge | |
| CN108999885B (en) | Semi-ring connection type precision rolling bearing | |
| CN211574028U (en) | Combined bearing for stainless steel guide rail of food packaging machine | |
| CN218325437U (en) | Magnetic suspension centrifugal compressor and spare bearing structure thereof | |
| CN113727820A (en) | Folding knife (variants) | |
| CN219975167U (en) | Double-head Hooke's joint | |
| CN219549379U (en) | Linear bearing mechanism | |
| CN217462959U (en) | Coupling for installing novel diaphragm | |
| CN219832124U (en) | Aluminum profile for lamp box | |
| CN219974925U (en) | Stationary blade fixing structure | |
| CN112832125A (en) | Support of combined lower seat plate | |
| CN221074908U (en) | Split type elastic fastening device | |
| CN210150167U (en) | Sectional type roller | |
| CN221443102U (en) | Flange bearing convenient to install | |
| CN221896794U (en) | Bearing pump cover | |
| CN221614805U (en) | High reliability pump motor rotor bearing structure | |
| CN220505956U (en) | Valve core connecting piece and handle |
Legal Events
| 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |