CN206904244U - A kind of magnetic fluid rotary seal structure that can bear heavy load - Google Patents
A kind of magnetic fluid rotary seal structure that can bear heavy load Download PDFInfo
- Publication number
- CN206904244U CN206904244U CN201720538143.7U CN201720538143U CN206904244U CN 206904244 U CN206904244 U CN 206904244U CN 201720538143 U CN201720538143 U CN 201720538143U CN 206904244 U CN206904244 U CN 206904244U
- Authority
- CN
- China
- Prior art keywords
- power transmission
- transmission shaft
- magnetic fluid
- deep groove
- groove ball
- 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
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a kind of magnetic fluid rotary seal structure that can bear heavy load, it is intended to which it is bad to solve magnetic fluid rotary sealing appts bearing capacity, easily occurs stuck deficiency under heavy load.The utility model includes power transmission shaft, the pedestal being socketed in outside power transmission shaft, base internal wall is provided with position limiting convex ring, deep groove ball bearing and magnet fluid sealing component are separately installed between pedestal both ends and power transmission shaft, position limiting convex ring both sides are separately installed with deep groove ball bearing and thrust roller bearing between pedestal and power transmission shaft, power transmission shaft outer wall is provided with support convex shoulder, and support convex shoulder end face is supported on thrust roller bearing.Magnetic fluid rotary seal structure substantially increases magnetic fluid rotary sealing appts bearing capacity, avoids stuck phenomenon occur under heavy load.
Description
Technical field
A kind of rotary seal structure is the utility model is related to, more specifically, it relates to a kind of magnetic that can bear heavy load
Fluid rotary sealing structure.
Background technology
The magnetic fluid rotary sealing appts of support crucible rotation are presently used for, by external diameter with endoporus size-dependence, are commonly used
Angular contact ball bearing, generally requiring to connect multipair could meet carrying demand.The price of equal size bearing currently on the market：
Angular contact bearing>Taper roll bearing>Deep groove ball bearing, using angular contact ball bearing high expensive, and use taper roller axle
Hold often due to clearance regulation is difficult, be unfavorable for installing, and it is easily stuck under heavy load.
Utility model content
It is bad that the utility model overcomes magnetic fluid rotary sealing appts bearing capacity, easily occurs under heavy load stuck
Deficiency, there is provided a kind of magnetic fluid rotary seal structure that can bear heavy load, it substantially increases magnetic fluid rotatory sealing
Device bearing capacity, avoid stuck phenomenon occur under heavy load.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of magnetic that can bear heavy load
Fluid rotary sealing structure, including power transmission shaft, the pedestal that is socketed in outside power transmission shaft, base internal wall are provided with position limiting convex ring, pedestal
Deep groove ball bearing and magnet fluid sealing component are separately installed between both ends and power transmission shaft, position limiting convex ring between pedestal and power transmission shaft
Both sides are separately installed with deep groove ball bearing and thrust roller bearing, and power transmission shaft outer wall is provided with support convex shoulder, support convex shoulder end face
It is supported on thrust roller bearing.
Two deep groove ball bearings and a thrust roller bearing are mounted between power transmission shaft and pedestal, it is big by this combination
Improve magnetic fluid rotary sealing appts bearing capacity greatly.Position limiting convex ring is used for spacing deep groove ball bearing and thrust roller bearing,
Support convex shoulder to be on the one hand used for the axial limiting of thrust roller bearing, be on the other hand easy to axially carry by supporting role carrying
Lotus, improve bearing capacity.This magnetic fluid rotary seal structure that can bear heavy load substantially increases magnetic fluid rotatory sealing dress
Bearing capacity is put, avoids stuck phenomenon occur under heavy load.
Preferably, being threaded with clamping sleeve with deep groove ball bearing link position close to base ends on power transmission shaft, press
Tight set is connected on deep groove ball bearing inner ring end face.Clamping sleeve carries out axial limiting to deep groove ball bearing, prevents deep groove ball bearing
Move axially.
Preferably, being connected with end cap with deep groove ball bearing connection end on pedestal, end cap is actively socketed on power transmission shaft.End
Lid serves good axially position effect.
Preferably, inner sleeve and outer sleeve are installed between two deep groove ball bearings, inner sleeve drum outer wall and outer sleeve inwall
Between be provided with gap, inner sleeve both ends are connected between two deep groove ball bearing inner rings respectively, and outer sleeve both ends are connected to two respectively
Between deep groove ball bearing outer ring.Inner sleeve and outer sleeve carry out axial limiting to two deep groove ball bearings, avoid two in the course of work
There is the phenomenon moved axially in deep groove ball bearing.
Preferably, magnet fluid sealing component includes magnetic fluid, permanent magnet and the magnetic pole for being arranged on permanent magnet both sides, magnetic current
Body is arranged between magnetic pole and power transmission shaft outer wall, and magnetic pole outer wall is closely connected with base internal wall, base ends connection limited cover, limit
Position lid is actively socketed on power transmission shaft, and limited cover is connected on magnetic pole.Magnetic under the influence of a magnetic field during drive axis
Fluid forms the sealing ring of a circle liquid, good sealing effect between magnetic pole and power transmission shaft outer wall.
Compared with prior art, the beneficial effects of the utility model are：Magnetic fluid rotary seal structure substantially increases magnetic
Fluid rotary sealing device bearing capacity, avoid stuck phenomenon occur under heavy load.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model；
In figure：1st, power transmission shaft, 2, pedestal, 3, position limiting convex ring, 4, deep groove ball bearing, 5, magnet fluid sealing component, 6, thrust
Roller bearing, 7, support convex shoulder, 8, clamping sleeve, 9, end cap, 10, inner sleeve, 11, outer sleeve, 12, magnetic fluid, 13, permanent magnet,
14th, magnetic pole, 15, limited cover.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made further specifically to retouch
State：
Embodiment：A kind of magnetic fluid rotary seal structure that can bear heavy load（Referring to accompanying drawing 1）, including power transmission shaft 1, set
The pedestal 2 being connected on outside power transmission shaft, base internal wall are provided with position limiting convex ring 3, depth are separately installed between pedestal both ends and power transmission shaft
Ditch ball bearing 4 and magnet fluid sealing component 5, between pedestal and power transmission shaft position limiting convex ring both sides be separately installed with deep groove ball bearing and
Thrust roller bearing 6, power transmission shaft outer wall are provided with support convex shoulder 7, and support convex shoulder end face is supported on thrust roller bearing.Thrust
Together with the seat ring of roller bearing closely abuts with position limiting convex ring, thrust roller bearing seat ring outer wall and base internal wall close installation
Together, together with the blowout patche of thrust roller bearing closely abuts with support convex shoulder, thrust roller bearing blowout patche is tightly sleeved
On power transmission shaft.Clamping sleeve 8 is threaded with close to base ends and deep groove ball bearing link position on power transmission shaft, clamping sleeve abuts
On deep groove ball bearing inner ring end face.End cap 9 is connected with pedestal with deep groove ball bearing connection end, end cap is actively socketed on transmission
On axle.Inner sleeve 10 and outer sleeve 11 are installed between two deep groove ball bearings, are provided between inner sleeve drum outer wall and outer sleeve inwall
Gap, inner sleeve both ends are connected between two deep groove ball bearing inner rings respectively, and outer sleeve both ends are connected to two deep-groove ball axles respectively
Between bearing outer-ring.Magnet fluid sealing component includes magnetic fluid 12, permanent magnet 13 and the magnetic pole 14 for being arranged on permanent magnet both sides, magnetic current
Body is arranged between magnetic pole and power transmission shaft outer wall, and magnetic pole outer wall is closely connected with base internal wall, base ends connection limited cover 15,
Limited cover is actively socketed on power transmission shaft, and limited cover is connected on magnetic pole.
Two deep groove ball bearings and a thrust roller bearing are mounted between power transmission shaft and pedestal, it is big by this combination
Improve magnetic fluid rotary sealing appts bearing capacity greatly.Position limiting convex ring is used for spacing deep groove ball bearing and thrust roller bearing,
Support convex shoulder to be on the one hand used for the axial limiting of thrust roller bearing, be on the other hand easy to axially carry by supporting role carrying
Lotus, improve bearing capacity.This magnetic fluid rotary seal structure that can bear heavy load substantially increases magnetic fluid rotatory sealing dress
Bearing capacity is put, avoids stuck phenomenon occur under heavy load.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (5)
1. a kind of magnetic fluid rotary seal structure that can bear heavy load, it is characterized in that, including power transmission shaft, be socketed in outside power transmission shaft
Pedestal, base internal wall is provided with position limiting convex ring, deep groove ball bearing and magnetic current is separately installed between pedestal both ends and power transmission shaft
Body seal assembly, position limiting convex ring both sides are separately installed with deep groove ball bearing and thrust roller bearing between pedestal and power transmission shaft, pass
Moving axis outer wall is provided with support convex shoulder, and support convex shoulder end face is supported on thrust roller bearing.
2. a kind of magnetic fluid rotary seal structure that can bear heavy load according to claim 1, it is characterized in that, power transmission shaft
Upper to be threaded with clamping sleeve with deep groove ball bearing link position close to base ends, clamping sleeve is connected to deep groove ball bearing inner ring
On end face.
3. a kind of magnetic fluid rotary seal structure that can bear heavy load according to claim 1, it is characterized in that, on pedestal
End cap is connected with deep groove ball bearing connection end, end cap is actively socketed on power transmission shaft.
4. a kind of magnetic fluid rotary seal structure that can bear heavy load according to claim 1 or 2 or 3, it is characterized in that,
Inner sleeve and outer sleeve are installed between two deep groove ball bearings, gap, inner sleeve are provided between inner sleeve drum outer wall and outer sleeve inwall
Cylinder both ends be connected to respectively between two deep groove ball bearing inner rings, outer sleeve both ends be connected to respectively two deep groove ball bearing outer rings it
Between.
5. a kind of magnetic fluid rotary seal structure that can bear heavy load according to claim 1 or 2 or 3, it is characterized in that,
Magnet fluid sealing component includes magnetic fluid, permanent magnet and the magnetic pole for being arranged on permanent magnet both sides, and magnetic fluid is arranged on magnetic pole and biography
Between moving axis outer wall, magnetic pole outer wall is closely connected with base internal wall, and base ends connection limited cover, limited cover is actively socketed on biography
On moving axis, limited cover is connected on magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538143.7U CN206904244U (en) | 2017-05-15 | 2017-05-15 | A kind of magnetic fluid rotary seal structure that can bear heavy load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538143.7U CN206904244U (en) | 2017-05-15 | 2017-05-15 | A kind of magnetic fluid rotary seal structure that can bear heavy load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206904244U true CN206904244U (en) | 2018-01-19 |
Family
ID=61288852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720538143.7U Active CN206904244U (en) | 2017-05-15 | 2017-05-15 | A kind of magnetic fluid rotary seal structure that can bear heavy load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206904244U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211664A (en) * | 2019-08-27 | 2020-05-29 | 杭州慧翔电液技术开发有限公司 | High-speed rotating magnetic fluid transmission device for etching machine |
| CN112713693A (en) * | 2020-12-22 | 2021-04-27 | 上海电气集团上海电机厂有限公司 | High-rotating-speed heavy-load rolling bearing device installed at 45-degree inclination for motor |
| CN116357741A (en) * | 2023-04-10 | 2023-06-30 | 杭州弘晟智能科技有限公司 | Pot magnetic fluid structure that changes |
-
2017
- 2017-05-15 CN CN201720538143.7U patent/CN206904244U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211664A (en) * | 2019-08-27 | 2020-05-29 | 杭州慧翔电液技术开发有限公司 | High-speed rotating magnetic fluid transmission device for etching machine |
| CN112713693A (en) * | 2020-12-22 | 2021-04-27 | 上海电气集团上海电机厂有限公司 | High-rotating-speed heavy-load rolling bearing device installed at 45-degree inclination for motor |
| CN116357741A (en) * | 2023-04-10 | 2023-06-30 | 杭州弘晟智能科技有限公司 | Pot magnetic fluid structure that changes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206904244U (en) | A kind of magnetic fluid rotary seal structure that can bear heavy load | |
| CN202091519U (en) | Magnetic liquid rotating sealing device | |
| CN102182830A (en) | Rotary sealing device for magnetic liquid | |
| CN101420147B (en) | Electric main shaft sealing construction for carving, milling and grinding | |
| CN106347618B (en) | Underwater airscrew propulsion unit | |
| CN201212067Y (en) | Magnetic fluid sealing device for silicon single crystal furnace | |
| CN103423540A (en) | Multichannel rotary connector | |
| CN207278689U (en) | A kind of middle shaft structure | |
| CN205081613U (en) | A antifriction bearing seal structure for motor | |
| CN209638240U (en) | It is a kind of health, without friction-stir magnetic thrust intermediate bearing | |
| CN201761910U (en) | Carrier roller | |
| CN208185216U (en) | A kind of dual AC power four-point contact ball slewing bearing | |
| CN107701836A (en) | A kind of chicksan | |
| CN206904243U (en) | A kind of crucible of single crystal furnace lifting device for sealing magnetic fluid | |
| CN206503838U (en) | A kind of permanent magnet contactless bearing carrying roller | |
| CN201902462U (en) | Split bearing pedestal adopting arc plate positioning | |
| CN201763953U (en) | End face positioning oil seal for gear shifting shaft | |
| CN107276287B (en) | A kind of machine shaft movable sealing structure | |
| CN206753978U (en) | Mechanical sealing device used for pump | |
| CN203730818U (en) | Eccentric rotating valve | |
| CN202756812U (en) | Multichannel rotating joint | |
| CN211029578U (en) | Grinding wheel spindle structure of grinding machine | |
| CN201994598U (en) | Pulley | |
| CN203671103U (en) | Gas-liquid conveying pipe rotary sealing device of rotary vacuum loosening and conditioning machine | |
| CN206398080U (en) | It is equipped with the magnetic coupling of oil sealing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |