CN202451836U - Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal - Google Patents
Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal Download PDFInfo
- Publication number
- CN202451836U CN202451836U CN2011205317984U CN201120531798U CN202451836U CN 202451836 U CN202451836 U CN 202451836U CN 2011205317984 U CN2011205317984 U CN 2011205317984U CN 201120531798 U CN201120531798 U CN 201120531798U CN 202451836 U CN202451836 U CN 202451836U
- Authority
- CN
- China
- Prior art keywords
- lip
- ptfe
- oil seal
- sealing
- seal
- 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
Images
Abstract
The utility model belongs to the technical field of sealing pieces, and in particular relates to a reversed-lip polytetrafluoroethylene (PTFE) structural oil seal. The reversed-lip PTFE structural oil seal comprises an outer oil seal and an inner oil seal which are combined with each other, wherein the outer oil seal consists of an outer framework and an outer sealing body; the inner oil seal consists of an inner framework and an inner sealing body; a PTFE lip is arranged on the inner side of the inner sealing body and contacted with the inner side of the outer framework; a sealing lip contacted with the inner oil seal is arranged on the inner side of the outer oil seal; the sealing lip and the PTFE lip form a dual sealing structure for media; an auxiliary sealing lip is arranged on the outer oil seal and also made of PTFE; and the PTFE lip has an integrated structure and is assembled on a shaft. The reversed-lip PTFE structural oil seal has the advantages of high dustproof performance and high sealing property.
Description
Technical field
The utility model belongs to the Sealing technical field, specifically, relates to a kind of reverse lip PTFE structure oil sealing.
Background technique
Present PTFE structure oil sealing; Its PTFE lip sheet generally all directly touches with being coupling, perhaps contact with between centers through inner frame, its with spool motion mode opposite; Promptly make relative rotary motion with axle; And PTFE lip sheet is static relatively state, but there is the sealing function of failing to give full play to PTFE in the oil sealing of this structure, makes the dissatisfactory problem of its sealability.
The model utility content
The utility model provides a kind of reverse lip PTFE structure oil sealing, and it makes it overcome sealing function and the dissatisfactory shortcoming of sealability that can't give full play to PTFE through original PTFE structure oil sealing is improved.
The technological scheme that the utility model adopted is:
Reverse lip PTFE structure oil sealing comprises the outer oil seal and the inner oil seal of mutual combination, and said outer oil seal is made up of outer skeleton and external sealed body, and said inner oil seal is made up of inner frame and interior seal; The inboard of seal is provided with PTFE lip sheet in said, and said PTFE lip sheet contacts with the inboard of outer skeleton; Said outer oil seal inboard is provided with and the contacted sealing lip of inner oil seal, and itself and PTFE lip sheet form the double sealing structure to medium.
In the technological scheme of the utility model, also have following additional technical feature:
Also be provided with secondary sealing lip on the said outer oil seal.
Said secondary sealing lip also adopts the PTFE material.
Said PTFE lip sheet is to be assembled on the axle and structure its integral type.
Compared with prior art; The advantage and the good effect of the utility model are: the reverse lip PTFE structure oil sealing of the utility model; It is through improving original PTFE structure oil sealing; Make it overcome sealing function and the dissatisfactory shortcoming of sealability that can't give full play to PTFE, it has the advantage that anti-dust performance is good and sealing reliability is high.
Description of drawings
Below in conjunction with accompanying drawing and mode of execution the utility model is described further:
Fig. 1 is reverse its structural representation of lip PTFE structure oil sealing of the utility model.
Among the figure, 1 is outer skeleton, and 2 is the external sealed body, and 3 is inner frame, and 4 is interior seal, and 5 is PTFE lip sheet, and 6 is sealing lip, and 7 is secondary sealing lip.
Embodiment
Embodiment
As shown in Figure 1, reverse lip PTFE structure oil sealing comprises the outer oil seal and the inner oil seal of mutual combination, and said outer oil seal is made up of with external sealed body 2 outer skeleton 1, and said inner oil seal is made up of inner frame 3 and interior seal 4; The inboard of seal 4 is provided with PTFE lip sheet 5 in said, and said PTFE lip sheet 5 contacts with the inboard of outer skeleton 1; Said outer oil seal inboard is provided with and the contacted sealing lip 6 of inner oil seal, the double sealing structure that itself and PTFE lip sheet 5 form medium; Also be provided with secondary sealing lip 7 on the said outer oil seal; Said secondary sealing lip 7 also adopts the PTFE material; Said PTFE lip sheet is to be assembled on the axle and structure its integral type.
Like this in when work, the reverse lip PTFE structure oil sealing of the utility model, its PTFE lip sheet 5 be an one with axle, and it is identical with a motion mode, and PTFE lip sheet 5 is assembled on the axle, and its inboard with outer skeleton 1 contacts; When engine operation; PTFE lip sheet 5 is done relative rotary motion, can improve the oil return function of return wire through himself active rotation, simultaneously because the centrifugal force that rotation produces; Make the PTFE lip sheet 5 and the contact force of fitting surface strengthen, power can afford redress in long-term the use; The outer oil seal inboard is provided with the sealing lip 6 that contacts with inner oil seal in addition; It both can regulate the distance between inner oil seal and the outer oil seal; Can when PTFE lip sheet 5 takes place to leak, play seal action again, help its return wire that the fluid that leaks is inhaled and go back the reliability of the sealing of raising; Secondary sealing lip 7 also adopts the PTFE material simultaneously, has improved anti-dust performance more.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the mode of execution of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all mode of executions.Conspicuous variation that every technological scheme that belongs to the utility model is amplified out or change still are in the row of the protection domain of the utility model.
Claims (4)
1. reverse lip PTFE structure oil sealing comprises the outer oil seal and the inner oil seal of mutual combination, and said outer oil seal is made up of outer skeleton (1) and external sealed body (2), and said inner oil seal is made up of inner frame (3) and interior seal (4); It is characterized in that: the inboard of seal (4) is provided with PTFE lip sheet (5) in said, and said PTFE lip sheet (5) contacts with the inboard of outer skeleton (1); Said outer oil seal inboard is provided with and the contacted sealing lip of inner oil seal (6), and itself and PTFE lip sheet (5) form the double sealing structure to medium.
2. reverse lip PTFE structure oil sealing according to claim 1 is characterized in that: also be provided with secondary sealing lip (7) on the said outer oil seal.
3. reverse lip PTFE structure oil sealing according to claim 2, it is characterized in that: said secondary sealing lip (7) also adopts the PTFE material.
4. reverse lip PTFE structure oil sealing according to claim 1 is characterized in that: said PTFE lip sheet (5) is for being assembled on the axle and structure its integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205317984U CN202451836U (en) | 2011-12-19 | 2011-12-19 | Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205317984U CN202451836U (en) | 2011-12-19 | 2011-12-19 | Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451836U true CN202451836U (en) | 2012-09-26 |
Family
ID=46867702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205317984U Expired - Fee Related CN202451836U (en) | 2011-12-19 | 2011-12-19 | Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979913A (en) * | 2012-12-04 | 2013-03-20 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN106439032A (en) * | 2015-08-12 | 2017-02-22 | 斯凯孚公司 | Seal with connecting insert |
-
2011
- 2011-12-19 CN CN2011205317984U patent/CN202451836U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979913A (en) * | 2012-12-04 | 2013-03-20 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN102979913B (en) * | 2012-12-04 | 2015-01-07 | 揭阳市天诚密封件有限公司 | Composite double-lip oil seal |
| CN106439032A (en) * | 2015-08-12 | 2017-02-22 | 斯凯孚公司 | Seal with connecting insert |
| CN106439032B (en) * | 2015-08-12 | 2020-06-12 | 斯凯孚公司 | Seal with connecting insert |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201605080U (en) | Waterproof and dustproof roller wheel device for escalator | |
| CN202451836U (en) | Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal | |
| CN205047492U (en) | A static seal for automobile water pump | |
| CN202140574U (en) | Power secondary output oil seal of tractor | |
| CN202431971U (en) | Combination type polytetrafluoroethylene (PTFE) gear ring oil seal | |
| CN206299844U (en) | A kind of high-pressure check valve of low leakage | |
| CN208268410U (en) | A kind of dust-proof outside framework oil seal | |
| CN201902560U (en) | Four-lip sealing ring combination part for sedan hub bearing | |
| CN201866252U (en) | Combined sealing ring | |
| CN202691052U (en) | Combined and assembled type oil seal | |
| CN201844072U (en) | Steel ball type check valve | |
| CN202561039U (en) | Dual-surface positioning sealing washer | |
| CN202431972U (en) | Double main lip combined oil seal | |
| CN203847674U (en) | Main reducer of drive axle | |
| CN203730767U (en) | Dustproof high-speed-resistant combined oil seal for shaft | |
| CN202149221U (en) | Axial oil seal | |
| CN201420859Y (en) | Wave-shaped lip mouth oil seal | |
| CN202140575U (en) | Assembly type oil seal | |
| CN203146600U (en) | High-sealing low-torque combined type sealing ring | |
| CN202790525U (en) | Sealing device for bearing box | |
| CN205806482U (en) | Combination hydraulic rotary shaft oil seal | |
| CN202612644U (en) | Oil seal ring of high-pressure plunger pump | |
| CN202946684U (en) | Composite hub oil seal | |
| CN203189529U (en) | Bearing with novel seal ring | |
| CN202431973U (en) | Oil seal with high sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20131219 |