CN201155569Y - Multi-limb type lip-shaped sealed ring - Google Patents
Multi-limb type lip-shaped sealed ring Download PDFInfo
- Publication number
- CN201155569Y CN201155569Y CNU2008200322522U CN200820032252U CN201155569Y CN 201155569 Y CN201155569 Y CN 201155569Y CN U2008200322522 U CNU2008200322522 U CN U2008200322522U CN 200820032252 U CN200820032252 U CN 200820032252U CN 201155569 Y CN201155569 Y CN 201155569Y
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- China
- Prior art keywords
- lip
- sealing lip
- oil
- oil sealing
- sealing
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-limb type lip sealing ring; a main body is a multi-limb lip means of which a framework is wrapped by a rubber body; a main oil sealing lip, an auxiliary oil sealing lip, a main water sealing lip, an auxiliary water sealing lip and an oil slinging lip are shaped on the rubber body; a polytetrafluoroethylene wear-resistant layer is overlaid on a seal-coupling surface of the auxiliary oil sealing lip and the auxiliary water sealing lip. The technical proposal solves the problems that the seal-coupling surface of the auxiliary oil sealing lip and the auxiliary water sealing lip of the sealing ring, which is a position with the most serious friction, is made directly by the rubber without a wear-resistant protective layer in a prior art, thereby being short service life, changing frequently the sealing ring, wasting a man-hour and increasing a cost.
Description
Technical field
The utility model relates to the seal arrangement of large and small type rolling mill of smelter or rolling machine oil film bearing, relates in particular to a kind of many limbs formula lip-type seal.
Background technique
Filmatic bearing is because of it can adapt to the modern plate mills high speed, heavily loaded working condition obtains application more and more widely.The sealability of seal arrangement is very big to the formation influence of pressure oil film in the filmatic bearing, and the sealing device can prevent that on the one hand the lubricant oil in the bearing cavity from leaking, and makes lubricant oil return pumping plant from casing, and protection forms oil film continuously; Can prevent from again on the other hand to keep the normal operation of bearing in extraneous cooling water, ROLLING OIL (emulsified liquid) and iron filings, the dust and other impurities infiltration bearing cavity.If seal arrangement lost efficacy, then can cause external impurities to infiltrate the bearing cavity, make lubricant pollution aging, reduce the filmatic bearing life-span; Also can cause oil leak in the cavity, not only cause a large amount of consumption wastes, and fluid can throw away along the tangent direction of roll rotation, splash to the steel band, the surface of steel plate that roll out, pollute, increase the annealing difficulty, influence the steel strip surface quality.
At present, the seal arrangement that the filmatic bearing of mangler, rolling mill etc. is commonly used is many limbs oil sealing, its structure as shown in Figure 1, its main body is the many limbs lip member that is formed by rubber body 1 wrapping frame 2, mainly form, form primary seal oil lip 9, secondary oil sealing lip 12, primary seal water lip 10, secondary water shutoff lip 13 on the rubber body 1 and get rid of 11 5 lips of oily lip by rubber body 1, skeleton 2, spring ring 3 and wire rope 4; Spring ring 3 is sleeved in the groove on primary seal oil lip 9 tops, uses the space in epoxy resin 5 filling grooves then; Wire rope 4 is sleeved on circlewise and gets rid of oily lip 11 belows.When this oil sealing and sealing baffle and roll assembling, primary seal oil lip 9 lips and primary seal water lip 10 lips are held roll pins having tightly, play the static seal effect.After the assembling, this oil sealing produces the high speed relative movement along with tapered sleeve and roll rotate synchronously with sealing baffle, and several lip synergies form effectively sealing.
Above-mentioned many limbs oil sealing, its field of employment is the inside at mangler, rolling mill, in the face of big pressure, high rotating speed, its Oscillation Amplitude and radial impact intensity are all comparatively strong, after using 1～2 month, the phenomenon that the secondary oil sealing lip of seal ring and the sealing coupled face (position that ring wear is the most serious) of secondary water shutoff lip ftracture with regard to heat ageing occurring loses the effect of sealing.Be to change oil sealing, people must pull down the part of putting in order group, reconfigure after changing oil sealing again.This not only causes the waste of grease and the pollution of environment, has also delayed man-hour, the continuity that influence is produced.The utility model provides a kind of many limbs formula lip-type seal circle from improving the angle of prior art, with the working life of prolongation product, and further improves the product hermeticity energy.
Summary of the invention
The utility model provides a kind of many limbs formula lip-type seal circle; the secondary oil sealing lip and the secondary water shutoff lip seal coupled face (position that ring wear is the most serious) that its objective is seal ring in the solution prior art are directly made by rubber; no wear-resistant protective layer; and the working life that exists is short; seal ring is changed frequently, is wasted man-hour, the technical problem that cost is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of many limbs formula lip-type seal circle, comprise rubber body and skeleton, form primary seal oil lip, secondary oil sealing lip, primary seal water lip, secondary water shutoff lip on the described rubber body and get rid of oily lip, be coated with the PTFE anti-wear layer on the sealing coupled face of described secondary oil sealing lip and secondary water shutoff lip.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described skeleton is a spring, is set aside under action of centrifugal force to avoid many limbs formula lip-type seal circle, loses seal action.
2, in the such scheme, the PTFE anti-wear layer on the sealing coupled face of described secondary oil sealing lip and secondary water shutoff lip gets on for coating.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1,, to guarantee bearing good lubricating arranged, and secondary water shutoff lip enters bearing one side for preventing cooling water, plays the effect of effective protection bearing owing to secondary oil sealing lip in the utility model leaks from the bearing end for preventing grease; And the utility model applies the wearing layer of one deck polytetrafluoroethylene (PTFE) material on the sealing coupled face of secondary oil sealing lip and secondary water shutoff lip, increases its wear resistance, with working life of prolonging product and improve its sealability.
2, because the utility model directly applies the wearing layer of one deck polytetrafluoroethylene (PTFE) material on the sealing coupled face of secondary oil sealing lip and secondary water shutoff lip, process easyly, save cost, and its practical value height, effectively improved product quality.
Description of drawings
Accompanying drawing 1 is the filmatic bearing ring structure schematic representation of prior art;
Accompanying drawing 2 is a structural representation of the present utility model;
Accompanying drawing 3 is the utility model integral installation figure.
In the above accompanying drawing: 1, rubber body; 2, spring; 3, spring ring; 4, wire rope; 5, epoxy resin; 6, wearing layer; 7, sealing baffle; 8, roll; 9, primary seal oil lip; 10, primary seal water lip; 11, get rid of oily lip; 12, secondary oil sealing lip; 13, secondary water shutoff lip.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment:
As shown in Figure 2, a kind of many limbs formula lip-type seal circle, its main body is the many limbs lip type member that is formed by rubber body 1 parcel spring 2, mainly form by rubber 1, skeleton (spring 2), spring ring 3 and wire rope 4, form primary seal oil lip 9, secondary oil sealing lip 12, primary seal water lip 10, secondary water shutoff lip 13 on the described rubber body 1 and get rid of oily lip 11, apply the wearing layer 6 of one deck polytetrafluoroethylene (PTFE) material on the sealing coupled face of described secondary oil sealing lip 12 and secondary water shutoff lip 13.Described spring ring 3 is sleeved in the groove on primary seal oil lip 9 tops, uses the space in epoxy resin 5 filling grooves then.Wire rope 4 is sleeved on the below of getting rid of oily lip 11 circlewise.
During 8 assemblings of the utility model and sealing baffle 7 and roll, as shown in Figure 3, secondary oil sealing lip 12 and secondary water shutoff lip 13 with the sealing baffle interference fit, be close to sealing baffle 7, keep certain contact angle and pressure with the sealing coupled face.When the utility model during with roll 8 high speed rotating, can will throw away with certain tilt angle attached to the fluid (or water) above the secondary oil sealing lip 12 (or secondary water shutoff lip 13), make liquid stream obtain bigger inertial force, flow out to stop the fluid (or water) that soon outflows or release by the gap.When the utility model runs up for a long time; the wearing layer 6 that the sealing coupled face (position that ring wear is the most serious) of secondary oil sealing lip 12 and secondary water shutoff lip 13 is gone up one deck polytetrafluoroethylene (PTFE) material that applies can form protective layer effectively; reduce abrasion; increase the wear resistance of its product self; prolonging its working life, and improved its sealability simultaneously.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (2)
1, a kind of many limbs formula lip-type seal circle, comprise rubber body (1) and skeleton, described rubber body (1) goes up and forms primary seal oil lip (1), secondary oil sealing lip (12), primary seal water lip (10), secondary water shutoff lip (13) and get rid of oily lip (11), it is characterized in that: be coated with PTFE anti-wear layer (6) on the sealing coupled face of described secondary oil sealing lip (12) and secondary water shutoff lip (13).
2, many limbs formula lip-type seal circle according to claim 1, it is characterized in that: described skeleton is spring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200322522U CN201155569Y (en) | 2008-02-20 | 2008-02-20 | Multi-limb type lip-shaped sealed ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200322522U CN201155569Y (en) | 2008-02-20 | 2008-02-20 | Multi-limb type lip-shaped sealed ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155569Y true CN201155569Y (en) | 2008-11-26 |
Family
ID=40103352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200322522U Expired - Fee Related CN201155569Y (en) | 2008-02-20 | 2008-02-20 | Multi-limb type lip-shaped sealed ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155569Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748397A (en) * | 2012-06-21 | 2012-10-24 | 太原重工股份有限公司 | Oil film bearing double-lip water seal device |
| CN101920569B (en) * | 2009-06-09 | 2014-05-07 | 章宏清 | Production method of temperature resistant and wear resistant oil seal |
| CN110094508A (en) * | 2018-01-31 | 2019-08-06 | Nok株式会社 | Sealing device |
| CN111094813A (en) * | 2017-06-13 | 2020-05-01 | 斯太姆科产品公司 | Wheel end assembly seal |
-
2008
- 2008-02-20 CN CNU2008200322522U patent/CN201155569Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920569B (en) * | 2009-06-09 | 2014-05-07 | 章宏清 | Production method of temperature resistant and wear resistant oil seal |
| CN102748397A (en) * | 2012-06-21 | 2012-10-24 | 太原重工股份有限公司 | Oil film bearing double-lip water seal device |
| CN111094813A (en) * | 2017-06-13 | 2020-05-01 | 斯太姆科产品公司 | Wheel end assembly seal |
| CN110094508A (en) * | 2018-01-31 | 2019-08-06 | Nok株式会社 | Sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20081126 Termination date: 20160220 |