CN102900843A - Novel lip-shaped sealing device - Google Patents
Novel lip-shaped sealing device Download PDFInfo
- Publication number
- CN102900843A CN102900843A CN2012103765595A CN201210376559A CN102900843A CN 102900843 A CN102900843 A CN 102900843A CN 2012103765595 A CN2012103765595 A CN 2012103765595A CN 201210376559 A CN201210376559 A CN 201210376559A CN 102900843 A CN102900843 A CN 102900843A
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- sealing base
- lip
- type packing
- oil
- 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.)
- Pending
Links
Images
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses a novel lip-shaped sealing device which comprises a rotating shaft, a shaft sleeve, a first oil sealing base, a second oil sealing base, a third oil sealing base, a flange and an end cover, wherein the first oil sealing base, the second oil sealing base, the third oil sealing base, the flange and the end cover are fixed through screws respectively; a first lip-shaped sealing ring is arranged between the end cover and the first oil sealing base; a first tension spring is sleeved on the first lip-shaped sealing ring; a second lip-shaped sealing ring is arranged between the first oil sealing base and the second oil sealing base; a second tension spring is sleeved on the second lip-shaped sealing ring; the shaft sleeve is provided with a groove corresponding to the second lip-shaped sealing ring; a third lip-shaped sealing ring is arranged between the second oil sealing base and the third oil sealing base; a third tension spring is sleeved on the third lip-shaped sealing ring; a fourth lip-shaped sealing ring is arranged between the third oil sealing base and the flange; and a fourth tension spring is sleeved on the fourth lip-shaped sealing ring, so that the service life of the seal is prolonged.
Description
Technical field
The present invention relates to a kind of seal arrangement, relate in particular to a kind of novel lip shape seal device.
Background technique
Lip seal is the interference fit by seal ring lip and axle sleeve, play the choked flow seal action at Static and dynamic, yet in use, because seal lip and axle sleeve high-speed friction, the imbalance that adds axle is beated, can cause the sealing cutting edge to wear and tear gradually, thereby cause the seal lip magnitude of interference to reduce, lip and shaft room pressure reduce or forfeiture, finally cause the total failure that seals, therefore the lip-type packing that need to more renew, actual sealing is shorter working life, and changes continually lip-type packing unusual effort for the maintenance man.
Summary of the invention
A technical problem to be solved by this invention is: provide a kind of and can prolong the sealing novel lip shape seal device in working life.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: a kind of novel lip shape seal device, comprise: rotating shaft, axle sleeve, the first oil sealing base, the second oil sealing base, the 3rd oil sealing base, flange and end cap, described axle sleeve is installed in the rotating shaft, described the first oil sealing base, the second oil sealing base, the 3rd oil sealing base, flange and end cap are installed on the axle sleeve, described the first oil sealing base, the top of the second oil sealing base and the 3rd oil sealing base is respectively equipped with oil feeding device, described the first oil sealing base, the below of the second oil sealing base and the 3rd oil sealing base is respectively equipped with oil discharging device, fix by the first screw between described end cap and the first oil sealing base, be provided with the first spring washer between described the first screw and the end cap, fix by the second screw between described the first oil sealing base and the second oil sealing base, be provided with the second spring washer between described the second screw and the first oil sealing base, fix by the 3rd screw between described the second oil sealing base and the 3rd oil sealing base, be provided with the 3rd spring washer between described the 3rd screw and the second oil sealing base, fix by the 4th screw between described the 3rd oil sealing base and the flange, be provided with the 4th spring washer between described the 4th screw and the 3rd oil sealing base, be provided with the first lip-type packing between described end cap and the first oil sealing base, be arranged with the first extension spring in described the first lip-type packing, be provided with the second lip-type packing between described the first oil sealing base and the second oil sealing base, be arranged with the second extension spring in described the second lip-type packing, described axle sleeve is provided with the groove corresponding with the second lip-type packing, be provided with the 3rd lip-type packing between described the second oil sealing base and the 3rd oil sealing base, be arranged with the 3rd extension spring in described the 3rd lip-type packing, be provided with the 4th lip-type packing between described the 3rd oil sealing base and the flange, be arranged with the 4th extension spring in described the 4th lip-type packing.
Beneficial effect of the present invention: the present invention is by arranging the first lip-type packing, the second lip-type packing, the 3rd lip-type packing and the 4th lip-type packing, at the beginning the first lip-type packing and the 3rd lip-type packing respectively with the axle sleeve interference fit, the groove that described the second lip-type packing is positioned at axle sleeve does not contact with the cell wall of groove, described the 4th lip-type packing does not contact with axle sleeve, after operation a period of time, after the lip wearing and tearing of the first lip-type packing and the 3rd lip-type packing, can make the second lip-type packing and the 4th lip-type packing regain interference with axle sleeve respectively by moving axially axle sleeve, realize sealing, thereby prolonged sealing working life, also alleviated maintenance man's the amount of labour simultaneously.
Description of drawings
Fig. 1 is the structural representation of novel lip shape seal device among the present invention.
Fig. 2 is along A-A line sectional view shown in Figure 1.
Among Fig. 1 and Fig. 2: 1, rotating shaft, 2, axle sleeve, 3, the first oil sealing base, 4, the second oil sealing base, 5, the 3rd oil sealing base, 6, flange, 7, end cap, 8, oil feeding device, 9, oil discharging device, 10, the first screw, 11, the first spring washer, 12, the second screw, 13, the second spring washer, 14, the 3rd screw, 15, the 3rd spring washer, 16, the 4th screw, 17, the 4th spring washer, 18, the first lip-type packing, 19, the first extension spring, 20, the second lip-type packing, 21, the second extension spring, 22, groove, 23, the 3rd lip-type packing, 24, the 3rd extension spring, 25, the 4th lip-type packing, 26, the 4th extension spring.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
See also Fig. 1 and Fig. 2, a kind of novel lip shape seal device, comprise: rotating shaft 1, axle sleeve 2, the first oil sealing base 3, the second oil sealing base 4, the 3rd oil sealing base 5, flange 6 and end cap 7, described axle sleeve 2 is installed in the rotating shaft 1, described the first oil sealing base 3, the second oil sealing base 4, the 3rd oil sealing base 5, flange 6 and end cap 7 are installed on the axle sleeve 2, described the first oil sealing base 3, the top of the second oil sealing base 4 and the 3rd oil sealing base 5 is respectively equipped with oil feeding device 8, described the first oil sealing base 3, the below of the second oil sealing base 4 and the 3rd oil sealing base 5 is respectively equipped with oil discharging device 9, fixing by the first screw 10 between described end cap 7 and the first oil sealing base 3, be provided with the first spring washer 11 between described the first screw 10 and the end cap 7, fixing by the second screw 12 between described the first oil sealing base 3 and the second oil sealing base 4, be provided with the second spring washer 13 between described the second screw 12 and the first oil sealing base 3, fixing by the 3rd screw 14 between described the second oil sealing base 4 and the 3rd oil sealing base 5, be provided with the 3rd spring washer 15 between described the 3rd screw 14 and the second oil sealing base 4, fixing by the 4th screw 16 between described the 3rd oil sealing base 5 and the flange 6, be provided with the 4th spring washer 17 between described the 4th screw 16 and the 3rd oil sealing base 5, be provided with the first lip-type packing 18 between described end cap 7 and the first oil sealing base 3, be arranged with the first extension spring 19 in described the first lip-type packing 18, the effect of described the first extension spring 19 is that the lip of the first lip-type packing 18 is held tightly in circumferential, be provided with the second lip-type packing 20 between described the first oil sealing base 3 and the second oil sealing base 4, be arranged with the second extension spring 21 in described the second lip-type packing 20, the effect of described the second extension spring 21 is that the lip of the second lip-type packing 20 is held tightly in circumferential, described axle sleeve 2 is provided with the groove 22 corresponding with the second lip-type packing 20, be provided with the 3rd lip-type packing 23 between described the second oil sealing base 4 and the 3rd oil sealing base 5, be arranged with the 3rd extension spring 24 in described the 3rd lip-type packing 23, the effect of described the 3rd extension spring 24 is that the lip of the 3rd lip-type packing 23 is held tightly in circumferential, be provided with the 4th lip-type packing 25 between described the 3rd oil sealing base 5 and the flange 6, be arranged with the 4th extension spring 26 in described the 4th lip-type packing 25, the effect of described the 4th extension spring 26 is that the lip of the 4th lip-type packing 25 is held tightly in circumferential.
The present invention is by arranging the first lip-type packing 18, the second lip-type packing 20, the 3rd lip-type packing 23 and the 4th lip-type packing 25, at the beginning the first lip-type packing 18 and the 3rd lip-type packing 23 respectively with axle sleeve 2 interference fit, the groove 22 that described the second lip-type packing 20 is positioned at axle sleeve 2 does not contact with the cell wall of groove 22, described the 4th lip-type packing 25 does not contact with axle sleeve, after operation a period of time, after the lip wearing and tearing of the first lip-type packing 18 and the 3rd lip-type packing 23, can make the second lip-type packing 20 and the 4th lip-type packing 25 regain interference with axle sleeve 2 respectively by moving axially axle sleeve 2, realize sealing, thereby prolonged sealing working life, also alleviated maintenance man's the amount of labour simultaneously.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. novel lip shape seal device, comprise: rotating shaft, axle sleeve, the first oil sealing base, the second oil sealing base, the 3rd oil sealing base, flange and end cap, described axle sleeve is installed in the rotating shaft, described the first oil sealing base, the second oil sealing base, the 3rd oil sealing base, flange and end cap all are installed on the axle sleeve, described the first oil sealing base, the top of the second oil sealing base and the 3rd oil sealing base is respectively equipped with oil feeding device, described the first oil sealing base, the below of the second oil sealing base and the 3rd oil sealing base is respectively equipped with oil discharging device, it is characterized in that: fix by the first screw between described end cap and the first oil sealing base, be provided with the first spring washer between described the first screw and the end cap, fix by the second screw between described the first oil sealing base and the second oil sealing base, be provided with the second spring washer between described the second screw and the first oil sealing base, fix by the 3rd screw between described the second oil sealing base and the 3rd oil sealing base, be provided with the 3rd spring washer between described the 3rd screw and the second oil sealing base, fix by the 4th screw between described the 3rd oil sealing base and the flange, be provided with the 4th spring washer between described the 4th screw and the 3rd oil sealing base, be provided with the first lip-type packing between described end cap and the first oil sealing base, be arranged with the first extension spring in described the first lip-type packing, be provided with the second lip-type packing between described the first oil sealing base and the second oil sealing base, be arranged with the second extension spring in described the second lip-type packing, described axle sleeve is provided with the groove corresponding with the second lip-type packing, be provided with the 3rd lip-type packing between described the second oil sealing base and the 3rd oil sealing base, be arranged with the 3rd extension spring in described the 3rd lip-type packing, be provided with the 4th lip-type packing between described the 3rd oil sealing base and the flange, be arranged with the 4th extension spring in described the 4th lip-type packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103765595A CN102900843A (en) | 2012-10-08 | 2012-10-08 | Novel lip-shaped sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103765595A CN102900843A (en) | 2012-10-08 | 2012-10-08 | Novel lip-shaped sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102900843A true CN102900843A (en) | 2013-01-30 |
Family
ID=47573244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103765595A Pending CN102900843A (en) | 2012-10-08 | 2012-10-08 | Novel lip-shaped sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102900843A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973657A (en) * | 2018-01-03 | 2019-07-05 | 双龙集团有限公司 | Lip type mechanically-sealing apparatus |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3434727A (en) * | 1965-01-30 | 1969-03-25 | Howaldtswerke Deutsche Werft | Fluid-tight seals for rotatable shafts and the like |
| US3773336A (en) * | 1970-06-10 | 1973-11-20 | Howaldtswerke Deutsche Werft | Seals for rotatable members |
| DE3610226C1 (en) * | 1986-03-26 | 1987-06-04 | Goetze Ag | Lip seal ring |
| US5820132A (en) * | 1995-12-21 | 1998-10-13 | Eurocopter France | Sealing device for rotating shaft |
| CN2553196Y (en) * | 2002-07-18 | 2003-05-28 | 大庆油田有限责任公司 | O-shaped two-lip sealing ring |
| CN1637329A (en) * | 2004-01-09 | 2005-07-13 | 发那科株式会社 | Multistage oil seal for machine tool motor |
| US20050253340A1 (en) * | 2000-04-13 | 2005-11-17 | Ashbridge & Roseburgh Inc. | Sealing apparatus having sequentially engageable seals |
| CN102272496A (en) * | 2009-06-22 | 2011-12-07 | 爱罗丁工程有限公司 | Sealing arrangement for a shaft |
-
2012
- 2012-10-08 CN CN2012103765595A patent/CN102900843A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3434727A (en) * | 1965-01-30 | 1969-03-25 | Howaldtswerke Deutsche Werft | Fluid-tight seals for rotatable shafts and the like |
| US3773336A (en) * | 1970-06-10 | 1973-11-20 | Howaldtswerke Deutsche Werft | Seals for rotatable members |
| DE3610226C1 (en) * | 1986-03-26 | 1987-06-04 | Goetze Ag | Lip seal ring |
| US5820132A (en) * | 1995-12-21 | 1998-10-13 | Eurocopter France | Sealing device for rotating shaft |
| US20050253340A1 (en) * | 2000-04-13 | 2005-11-17 | Ashbridge & Roseburgh Inc. | Sealing apparatus having sequentially engageable seals |
| CN2553196Y (en) * | 2002-07-18 | 2003-05-28 | 大庆油田有限责任公司 | O-shaped two-lip sealing ring |
| CN1637329A (en) * | 2004-01-09 | 2005-07-13 | 发那科株式会社 | Multistage oil seal for machine tool motor |
| CN102272496A (en) * | 2009-06-22 | 2011-12-07 | 爱罗丁工程有限公司 | Sealing arrangement for a shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973657A (en) * | 2018-01-03 | 2019-07-05 | 双龙集团有限公司 | Lip type mechanically-sealing apparatus |
| CN109973657B (en) * | 2018-01-03 | 2024-05-31 | 双龙集团有限公司 | Lip type mechanical sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201810755U (en) | Marine gear box and oil seal structure thereof | |
| CN102734470A (en) | Speed reducer and sealing device thereof | |
| CN202371169U (en) | Sealing device for transmission shaft of speed reducer | |
| CN201057268Y (en) | Bearing seal device | |
| CN102900843A (en) | Novel lip-shaped sealing device | |
| CN202851967U (en) | Novel lip-shaped seal device | |
| CN102900844A (en) | Lip-shaped sealing device | |
| CN202834079U (en) | Sealing ring | |
| CN202851968U (en) | Lip-shaped seal device | |
| CN205388151U (en) | A combined type self sealing device for pressing enhancing type milling machine | |
| CN101900208A (en) | Frame seal of dynamic and static ring type | |
| CN202762633U (en) | Thin oil synchronization vibration exciter | |
| CN204493721U (en) | Medium-speed pulverizer pull rod seal device | |
| CN202756619U (en) | Speed reduction machine and sealing device thereof | |
| CN209943523U (en) | Mechanical sealing device | |
| CN201582033U (en) | Axial gapless sealing device | |
| CN202659899U (en) | Combined sealing structure for ends of rollers | |
| CN201851659U (en) | Double-lip-tip type sealing ring | |
| CN206682268U (en) | A kind of reductor sealing structure | |
| CN204284457U (en) | The static and dynamic sealing waterproof construction of bearing | |
| CN202251480U (en) | Novel bearing box of printing machine | |
| CN202001610U (en) | Speed reducer shaft end combination seal | |
| CN201779266U (en) | High-speed rotary oil seal with dustproof lip flanges | |
| CN201407354Y (en) | Improved mechanical seal structure | |
| CN205207037U (en) | Split type hydraulic turbine seal ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |