CN207064466U - Roller completely fills roller bearing - Google Patents
Roller completely fills roller bearing Download PDFInfo
- Publication number
- CN207064466U CN207064466U CN201720710622.2U CN201720710622U CN207064466U CN 207064466 U CN207064466 U CN 207064466U CN 201720710622 U CN201720710622 U CN 201720710622U CN 207064466 U CN207064466 U CN 207064466U
- Authority
- CN
- China
- Prior art keywords
- bolt axle
- outer ring
- seal
- roller
- ring
- 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
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of roller completely to fill roller bearing, including outer ring, bolt axle, needle roller components, back-up ring and seal assembly, outer ring inner circumferential is provided with groove, needle roller components are located in groove, bolt axle includes big footpath section successively from left to right, central diameter section, path section and thread segment, the big footpath section of bolt axle stretches into outer ring endoporus, bolt axle central diameter section passes through needle roller components rotational support outer ring, fixed cover is equipped with the back-up ring for stretching into outer ring endoporus in bolt axle path section, seal assembly is between outer ring and bolt axle, seal assembly includes at least one seal, each seal includes at least two retainers.Two retainer fitted seals are used at rotation of the present utility model, high-speed rotation is suitable for and the adverse circumstances of rubber seal can not be used, without often changing sealing ring, provide and be effectively protected for lubricant environment at rotation, extend service life；By installing oil nozzle in bolt axle, lubricating oil is more easily added.
Description
Technical field
Technical field of bearings is the utility model is related to, especially a kind of roller completely fills roller bearing.
Background technology
Bearing, for determining rotary shaft and other parts relative motion position, play the parts of supporting or guide effect.It
Major function be the mechanical rotary body of support, to reduce mechanical load coefficient of friction of the equipment in transmission process.Existing skill
Bearing generally use sealing ring in art, but sealing ring is easy to aging under the high-speed rotation of axle, and larger shadow is produced to sealing property
Ring, it is necessary to often change sealing ring.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of good seal performance and is suitable for axle high-speed rotation
Roller completely fill roller bearing.
Technical scheme is used by the utility model solves its technical problem：
A kind of roller completely fills roller bearing, including outer ring, bolt axle, needle roller components, back-up ring and seal assembly, outer ring inner side
Be circumferentially with groove, needle roller components are located in groove, bolt axle from left to right successively include big footpath section, central diameter section, path section and
Thread segment, the big footpath section of bolt axle stretch into outer ring endoporus, and bolt axle central diameter section is small by needle roller components rotational support outer ring, bolt axle
Fixed cover is equipped with the back-up ring for stretching into outer ring endoporus in the section of footpath, and between outer ring and bolt axle, seal assembly includes seal assembly
At least one seal, described at least one seal include at least two retainers.
Further, outer ring inner circumferential is provided with groove, and seal assembly is located in groove.
Further, seal assembly includes two seals, and one of seal is located at outer ring and the big footpath section of bolt axle
Between, another seal is between outer ring and back-up ring.
Further, described at least one seal includes two retainers, and the opening of two retainers staggers.
Further, the angle between the opening of two retainers is in 180 °.
Further, needle roller components include retainer and some needle roller bodies, and retainer is sleeved in bolt axle central diameter section,
Some needle roller bodies are arranged on retainer.
Further, in addition to oil nozzle, oil nozzle are located at the left end of bolt axle, oilhole are provided with inside bolt axle, lubricate
One end of oilhole connects with oil nozzle, and the other end of oilhole connects with the annular space between bolt axle central diameter section and outer ring.
The beneficial effects of the utility model are：Two retainer fitted seals are used at rotation of the present utility model, relative to
High-speed rotation is suitable for for sealing ring and the adverse circumstances of rubber seal can not be used, without often changing sealing ring,
There is provided and be effectively protected for lubricant environment at rotation, extend service life；By installing oil nozzle in bolt axle, more easily
Add lubricating oil.
Brief description of the drawings
Fig. 1 is the structural representation of bearing of the present utility model；
Fig. 2 is Fig. 1 A portions enlarged drawing；
Fig. 3 is the schematic diagram of retainer of the present utility model；
Fig. 4 is the schematic diagram of oil nozzle of the present utility model.
In figure：
1 outer ring,
2 bolt axles,
21 big footpath sections, 22 central diameter sections, 23 path sections, 24 thread segments, 25 oilholes,
3 needle roller components,
4 back-up rings,
5 seal assemblies, 51,52 seals, 501,502 retainers,
6 oil nozzles, 61 steel balls.
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings 1~4
The utility model is described in further detail with specific embodiment.
A kind of roller completely fills roller bearing, including outer ring 1, bolt axle 2, needle roller components 3, back-up ring 4 and seal assembly 5, outside
Enclose 1 inner circumferential and be provided with groove, needle roller components 3 are located in groove, and bolt axle 2 includes big footpath section 21, central diameter successively from left to right
Section 22, path section 23 and thread segment 24, the big footpath section 21 of bolt axle 2 stretch into the endoporus of outer ring 1, and the central diameter section 22 of bolt axle 2 passes through needle roller
The rotational support outer ring 1 of component 3, fixed cover is equipped with the back-up ring 4 for stretching into the endoporus of outer ring 1, seal assembly 5 in the path section 23 of bolt axle 2
Between outer ring 1 and bolt axle 2, seal assembly 5 includes at least one seal 51,52, and each seal 51,52 is included extremely
Few two retainers 501,502.
Back-up ring 4 uses slope ledge structure, reduces the frontal impact to Bearing inner structure such as dust greasy dirt.Outside bearing
Circle 1 uses 20 ° of assembling guide angles.
See Fig. 1, seal assembly 5 includes two seals 51,52, and seal 51 is located at outer ring 1 and the big footpath section 21 of bolt axle 2
Between, seal 52 is between outer ring 1 and back-up ring 4.Big the footpath section 21 and path section 23 of the corresponding bolt axle 2 in the inner side of outer ring 1
A groove is partially circumferentially respectively equipped with, two seals 51,52 are located in two foregoing grooves.
See Fig. 2, each seal 51,52 includes two retainers 501,502, the opening of retainer 501 and the opening of retainer 502
Stagger.
In order to reach better seal effect, the angle between the opening of two retainers 501,502 is in 180 °.
Needle roller components 3 include retainer and some needle roller bodies, and retainer is sleeved in the central diameter section 22 of bolt axle 2, if dry milling
Needle body is arranged on retainer.
See Fig. 1, Fig. 4, in addition to oil nozzle 6, oil nozzle 6 is located at the left end of bolt axle 2, and the inside of bolt axle 2 is provided with oilhole
25, one end of oilhole 25 connects with oil nozzle 6, between the other end of oilhole 25 and the central diameter section 22 of bolt axle 2 and outer ring 1
Annular space connection.
When adding lubricating oil, the jacking of steel ball 61 on the top of oil nozzle 6 can be gone to expose oil when the sharp mouth of oil gun arrives to oil nozzle 6
Road, lubricating oil can are entered in the annular space between the central diameter section 22 of bolt axle 2 and outer ring 1 by oilhole 25.
Sealing function of the present utility model is used using two high-precision pairings of retainer 501,502, two retainers 501,
502 opening mutually staggers, and is suitable for using the adverse circumstances of rubber seal, the lubricant environment at rotation is provided
More protect, play good dust-proof, anti-fouling effect, extend the service life of bearing.
Embodiment above, does not form the restriction to the technical scheme protection domain.It is any in above-mentioned embodiment
Spiritual principles within the modifications, equivalent substitutions and improvements made etc., should be included within the protection domain of the technical scheme.
Claims (7)
1. a kind of roller completely fills roller bearing, including outer ring (1), bolt axle (2), needle roller components (3), back-up ring (4) and sealing group
Part (5), it is characterised in that：
Outer ring (1) inner circumferential is provided with groove, and the needle roller components (3) are located in groove, the bolt axle (2) from a left side to
The right side includes big footpath section (21), central diameter section (22), path section (23) and thread segment (24), the big footpath section of the bolt axle (2) successively
(21) outer ring (1) endoporus is stretched into, bolt axle (2) central diameter section (22) passes through needle roller components (3) rotational support outer ring (1), bolt axle
(2) fixed cover is equipped with the back-up ring (4) for stretching into outer ring (1) endoporus in path section (23),
The seal assembly (5) is located between outer ring (1) and bolt axle (2), and seal assembly (5) includes at least one seal
(51,52), at least one seal (51,52) include at least two retainers (501,502).
2. roller according to claim 1 completely fills roller bearing, it is characterised in that：Outer ring (1) inner circumferential is provided with
Groove, the seal assembly (5) are located in groove.
3. roller according to claim 1 or 2 completely fills roller bearing, it is characterised in that：The seal assembly (5) includes two
Individual seal (51,52), the seal (51) are located between outer ring (1) and the big footpath section (21) of bolt axle (2), the seal
(52) between outer ring (1) and back-up ring (4).
4. roller according to claim 1 completely fills roller bearing, it is characterised in that：At least one seal (51,
52) two retainers (501,502) are included, the opening of the retainer (501) and the opening of retainer (502) stagger.
5. roller according to claim 4 completely fills roller bearing, it is characterised in that：The opening and lock of the retainer (501)
The angle enclosed between the opening of (502) is in 180 °.
6. roller according to claim 1 completely fills roller bearing, it is characterised in that：The needle roller components (3) include keeping
Frame and some needle roller bodies, the retainer are sleeved in bolt axle (2) central diameter section (22), and described some needle roller bodies, which are arranged on, to be protected
Hold on frame.
7. roller according to claim 1 completely fills roller bearing, it is characterised in that：Also include oil nozzle (6), the oil nozzle
(6) it is located at the left end of bolt axle (2), is provided with oilhole (25) inside the bolt axle (2), the one of the oilhole (25)
End connects with oil nozzle (6), between the other end of oilhole (25) and the bolt axle (2) central diameter section (22) and outer ring (1)
Annular space connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710622.2U CN207064466U (en) | 2017-06-19 | 2017-06-19 | Roller completely fills roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710622.2U CN207064466U (en) | 2017-06-19 | 2017-06-19 | Roller completely fills roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064466U true CN207064466U (en) | 2018-03-02 |
Family
ID=61508941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710622.2U Expired - Fee Related CN207064466U (en) | 2017-06-19 | 2017-06-19 | Roller completely fills roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321162A (en) * | 2022-01-27 | 2022-04-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Full complement roller bolt shaft bearing |
-
2017
- 2017-06-19 CN CN201720710622.2U patent/CN207064466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321162A (en) * | 2022-01-27 | 2022-04-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Full complement roller bolt shaft bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105370890A (en) | Low-friction dynamic seal | |
| CN205478936U (en) | Deep groove ball bearing with lubrication groove | |
| CN105952802A (en) | Non-maintenance hub unit assembly with brake drum | |
| CN207064466U (en) | Roller completely fills roller bearing | |
| CN204403156U (en) | A kind of high leak tightness ball bearing | |
| CN204403162U (en) | Long lifetime ball bearing structure | |
| CN204985365U (en) | Automobile wheel hub bearing assembly | |
| CN107061486A (en) | A kind of spacing dust-proof rolling bearing of Spring Card | |
| CN203585118U (en) | Shield bearing | |
| CN204729478U (en) | A kind of low moment of torsion roller bearing units | |
| CN102966665A (en) | Double-lip sealing type four-point contact ball turntable bearing | |
| CN202732713U (en) | Sealing ring for bearing | |
| CN208106987U (en) | A kind of shield bearing | |
| CN205937458U (en) | Double turntable bearing with footpath ball | |
| CN206036028U (en) | Bolt type needle roller bearing | |
| CN207093593U (en) | Cam following bearing | |
| CN208669850U (en) | A kind of elastic linear bearing | |
| CN104454976A (en) | High-speed high-bearing hub bearing unit | |
| CN210313193U (en) | Chain guide wheel of large-scale hoisting equipment | |
| CN107255121A (en) | A kind of double-row angular contact bal bearing | |
| CN204200856U (en) | Bearing | |
| JP2013210003A (en) | Tandem type double row angular ball bearing with seal | |
| CN203248525U (en) | Rolling bearing | |
| CN106246718A (en) | A kind of needle roller lining and auxiliary assembling structure thereof | |
| CN220227548U (en) | High-tightness main shaft bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200619 |