CN200989444Y - Self-rotating oil seal - Google Patents
Self-rotating oil seal Download PDFInfo
- Publication number
- CN200989444Y CN200989444Y CNU2006200633378U CN200620063337U CN200989444Y CN 200989444 Y CN200989444 Y CN 200989444Y CN U2006200633378 U CNU2006200633378 U CN U2006200633378U CN 200620063337 U CN200620063337 U CN 200620063337U CN 200989444 Y CN200989444 Y CN 200989444Y
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- CN
- China
- Prior art keywords
- sealing
- seal
- support
- utility
- model
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 239000010426 asphalt Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to an oil seal and the technology is characterized in that: the utility model contains a sealing body; the sealing body consists of a framework, a rubber body and a sealing lip; the framework is telescoped or covered by the rubber body; the sealing body is telescoped with a supporting body; the supporting body is in interference assemble with a shaft and the sealing body is in interference assemble with a shell. The utility model has the advantages of reducing the machining accuracy and the surface finish of the shaft and the shell, reducing production cost, improving production efficiency, prolonging the service life of a rotary shaft or a rotary shell and maintaining good sealing performance. The utility model is applicable for seal in various working conditions.
Description
Technical field
The utility model relates to a kind of Sealing, specifically, relates to a kind of oil sealing.
Background technique
The independent seal that the structure of the existing oil sealing that is used to seal is made up of skeleton, rubber body and sealing lip or is made up of skeleton, rubber body, spring and sealing lip.During use, axle rotates, but oil sealing do not rotate, so oil sealing produces friction to running shaft or housing, thereby causes shortening spool and working life of housing.Therefore, for reducing friction, also must be strict with the machining accuracy and the surface finishment of axle and housing; Simultaneously, when axle and housing had relative play, oil sealing just can not keep good sealing property.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provide a kind of and can reduce axle and the machining accuracy and the surface finishment of housing, reduce production costs, enhance productivity, not direct friction running shaft or rotary shell, prolong running shaft or rotary shell working life, simultaneously, even axle has relative play with housing, it still can keep the rotation oil sealing of excellent sealing performance.
Mentality of designing of the present utility model and working principle are: sealing mechanism is that the rotation oil sealing is made up of support, seal two-part, a part and axle interference assembling, another part and housing interference assembling, seal the leakage of axle and housing by the interference fit of its internal diameter, external diameter, during use, axle or housing rotate, and oil sealing also rotates, and rely on the structure between oil sealing inside to realize static sealing and dynamic sealing.
The purpose of this utility model is achieved in that and comprises seal, and seal comprises skeleton, rubber body and sealing lip, and the skeleton cover is arranged with support if be coated on the rubber body on seal; Support is and the support of axle interference assembling that seal is the seal that assembles with the housing interference.
The utility model, can be on rubber body sheathed spring.
The utility model, with contacting on the inner side end of sealing lip spiral oil return line can be set with the support of axle interference assembling, replaced the oil drive back thread on the oil sealing rubber labial surface, thereby avoided because of the oil drive back thread on the rubber labial surface because of the seal failure that wearing and tearing cause, improved the working life of oil sealing.
The utility model can adopt asphalt felt with the seal of housing interference assembling with the oil return sealing configuration of the support of axle interference assembling, and asphalt felt is as dust sealing, and by adhesive rubber body is sticked together, and keeps certain intensity.
The utility model has following advantage:
1, by the holding tightly or compress and play seal action of sealing labial surface and skeleton inner side surface or outer side surface, end face, during use, axle or housing rotate, oil sealing also rotates, and running shaft or housing is not produced friction, thereby have improved spool and working life of housing;
2, form by support, seal two-part, a part and axle interference assembling, another part and housing interference are assembled, thereby can reduce the machining accuracy and the surface finishment of axle and housing, reduced cost of production, have improved manufacturing efficiency;
3, during end face seal, be provided with spiral oil return line with the support of axle interference assembling on the inner side end with contacting of sealing lip, replace the oil drive back thread on the oil sealing rubber labial surface, thereby avoided the seal failure that causes because of rubber oil drive back thread wearing and tearing, the working life of having improved oil sealing;
4, not direct friction running shaft or rotary shell have prolonged working life of running shaft or rotary shell, simultaneously, are end face seals because its relies on, even axle has relative play with housing, still can keep excellent sealing performance;
5, not only be fit to low speed rotation, and it also is suitable for high speed rotating.Owing to himself good air circulation system, its improves and has optimized operating conditions.
The utility model owing to adopt said structure, has the machining accuracy and the surface finishment that can reduce axle and housing, reduces production costs, enhances productivity, prolongs running shaft or rotary shell working life, the advantage of maintenance excellent sealing performance.Be suitable for the sealing of various operating modes.
Following embodiment's accompanying drawings is further described the utility model.
Description of drawings
Fig. 1 is embodiment's 1 an of the present utility model structure principle chart;
Fig. 2 is embodiment's 2 an of the present utility model structure principle chart.
Among the figure, 2,3, be the support with axle interference assembling, 5,6, with the seal of housing interference assembling, 7, skeleton, 8, rubber body, 9, sealing lip, 10, with the support of axle interference assembling with the inner side end that contacts of sealing lip, 11, spiral oil return line, 12, asphalt felt, 13, spring.
Embodiment
With reference to Fig. 1, the skeleton 7 of present embodiment 1, rubber body 8, spring 13 and sealing lip 9 are formed seal, and skeleton 7 is coated on the rubber body 8, and spring 13 is sheathed on the rubber body 8, and difference with the prior art is to be arranged with support on seal; This support is and the support 2 of axle interference assembling that the sealing body is and the seal 5 of housing interference assembling that present embodiment is applicable to the wheel hub running shaft.
With reference to Fig. 2, the skeleton 7 of present embodiment 2, rubber body 8 and sealing lip 9 are formed seal, and skeleton 7 is sheathed on the rubber body 8, and difference with the prior art is to be arranged with support on seal; This support is and the support 3 of axle interference assembling that the sealing body is the seal 6 that assembles with the housing interference; Present embodiment 3 is structures of end face seal, promptly the loudspeaker labial surface by sealing lip 9 with the contacting of support 3 end faces of axle interference assembling, inhale principle by being engraved in contacting of sealing lip 9 is provided with spiral oil return line 11 on the inner side end 10 pump with the support 3 of axle interference assembling, played seal action, adopt asphalt felt 12 with the seal 6 of housing interference assembling with the oil return sealing configuration of the support 3 of axle interference assembling, present embodiment is applicable to the high speed rotating occasion, as motor.
Performance index of the present utility model:
1, properties of rubber: brittleness temperature is lower than subzero 45 ℃, high temperature resistantly is higher than 180 ℃, the fluorine glue that other performance meets the demands, silica gel or fluorine silica gel, and wear-resisting property is superior;
2, asphalt felt is as dust sealing, and sticks together by adhesive and rubber body, keeps certain intensity;
3, on the support inner side end, designed spiral oil return line, utilized oil drive back thread, played seal action oil film foldback oil back chamber side thicker between end face and rubber labial surface;
4, the seal lip of oil sealing does not directly contact running shaft or rotary cylinder-block, can not make them produce wearing and tearing, has guaranteed the precision of running shaft or cylinder body, has improved working life.
The utility model, not only can prolong axle or housing working life, have resistance to high temperature and a resistance to low temperature preferably, be applicable to the high speed rotating occasion again.Simultaneously, utilization end face seal and special oil return sealing mechanism, make axle beat or play can not influence the sealability of oil sealing.Therefore, the rotation oil sealing has the market potential and deep meaning is more arranged on field of sealing technology.
Claims (4)
1, a kind of rotation oil sealing comprises seal, and seal comprises skeleton (7), rubber body (8) and sealing lip (9), and described skeleton (7) cover is characterized in that: be arranged with support on described seal if be coated on the described rubber body (8); Described support is and the support (2,3) of axle interference assembling that described seal is the seal (5,6) that assembles with the housing interference.
2, rotation oil sealing according to claim 1 is characterized in that: go up sheathed spring (13) in described rubber body (8).
3, rotation oil sealing according to claim 1 is characterized in that: described support (3) with axle interference assembling is being provided with spiral oil return line (11) with contacting of described sealing lip (9) on the inner side end (10).
4, rotation oil sealing according to claim 3 is characterized in that: the seal (6) of described and housing interference assembling and adopt asphalt felt (12) with the oil return sealing configuration of the support (3) of axle interference assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200633378U CN200989444Y (en) | 2006-08-19 | 2006-08-19 | Self-rotating oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200633378U CN200989444Y (en) | 2006-08-19 | 2006-08-19 | Self-rotating oil seal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201511245U Division CN201013902Y (en) | 2006-08-19 | 2006-08-19 | Rotation oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989444Y true CN200989444Y (en) | 2007-12-12 |
Family
ID=38940481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200633378U Expired - Lifetime CN200989444Y (en) | 2006-08-19 | 2006-08-19 | Self-rotating oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989444Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062214A (en) * | 2010-11-25 | 2011-05-18 | 青岛开世密封工业有限公司 | Spring-free split oil seal resisting muddy water and installation method thereof |
| CN106763787A (en) * | 2017-01-23 | 2017-05-31 | 广西玉柴机器股份有限公司 | Improve the lateral oil seal of sealing reliability |
| CN107676484A (en) * | 2014-06-10 | 2018-02-09 | Nok株式会社 | Sealing device |
-
2006
- 2006-08-19 CN CNU2006200633378U patent/CN200989444Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062214A (en) * | 2010-11-25 | 2011-05-18 | 青岛开世密封工业有限公司 | Spring-free split oil seal resisting muddy water and installation method thereof |
| CN107676484A (en) * | 2014-06-10 | 2018-02-09 | Nok株式会社 | Sealing device |
| US10352450B2 (en) | 2014-06-10 | 2019-07-16 | Nok Corporation | Sealing device |
| US10683935B2 (en) | 2014-06-10 | 2020-06-16 | Nok Corporation | Sealing device |
| CN106763787A (en) * | 2017-01-23 | 2017-05-31 | 广西玉柴机器股份有限公司 | Improve the lateral oil seal of sealing reliability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG JINGSHAN SEALING MATERIAL CO., LTD. Free format text: FORMER OWNER: CHEN YIQIANG Effective date: 20140724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140724 Address after: 515321 Guangdong city of Jieyang province Puning Zhanlong Town Industrial Zone Huaxiang Road No. 8 Patentee after: Guangdong Jingshan Sealing Material Co.,Ltd. Address before: 515321 Guangdong city of Puning Province town industrial area of long Huaxiang Road Guangdong Jingshan seals Co. Ltd Patentee before: Chen Yiqiang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |