CN105240534A - Novel oil seal - Google Patents
Novel oil seal Download PDFInfo
- Publication number
- CN105240534A CN105240534A CN201510685153.9A CN201510685153A CN105240534A CN 105240534 A CN105240534 A CN 105240534A CN 201510685153 A CN201510685153 A CN 201510685153A CN 105240534 A CN105240534 A CN 105240534A
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- CN
- China
- Prior art keywords
- lip
- oil seal
- sealing
- main
- main lip
- 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.)
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Abstract
The invention relates to a novel oil seal. The novel oil seal is characterized by comprising an L-shaped metal frame (7) provided with a rubber sealing piece (1), a main lip (2) is arranged above the top of the rubber sealing piece (1), and an auxiliary lip (8) is arranged below the top of the rubber sealing piece (1); the main lip (2) is provided with a banding spring (3), a labyrinth lap joint lip (4) is arranged in the middle of the rubber sealing piece (1), and a locking sealing blocking lip (6) is arranged at a bottom (5) of the rubber sealing piece (1); and the novel oil seal further comprises an annular metal sealing cover (9) clamped among the main lip (2), the labyrinth lap joint lip (4) and the locking sealing blocking lip (6). According to the oil seal, the requirement for sealing of an automobile hub unit can be better met, and the novel oil seal has the beneficial effects of being long in service life, high in reliability and free of maintenance on bearings.
Description
Technical field
The present invention relates to a kind of oil seal.
Background technique
Existing oil seal structure has four kinds of patterns, i.e. adhesive structure, package assembly, assembly structure and adhesive structure.According to use occasion, select suitable sealing structure.
Summary of the invention
The object of this invention is to provide a kind of oil seal saving installing space, long lifetime, high reliability.
A kind of oil seal, its specialization is: the metal frame comprising L-type, this metal frame is provided with rubber seal, above this rubber seal top, be wherein provided with main lip and be provided with secondary lip below it, this main lip is provided with banding spring, wherein be provided with labyrinth overlap joint lip at the middle part of this rubber seal, and be provided with lock sealing gear lip in the bottom of this rubber seal; Also comprise the metallic sealed cover of ring-type, this metallic sealed cover is stuck in aforesaid main lip, between labyrinth overlap joint lip and lock sealing gear lip.
Wherein main lip is V-type shape and secondary lip is U-shaped shape, and one end of one end of this main lip and secondary lip links into an integrated entity.
Wherein be provided with in the inner side of metallic sealed cover annular back-up ring thus with the nib contacts of main lip.
Oil sealing of the present invention improves on the basis of existing package assembly oil sealing, for saving installing space, support oil sealing without the need to specialized designs sealing seat, but embed oil sealing by a sealing cover from oil sealing side, seal shaft to and radial dimension all do not increase, sealing build sealing supporting effect.Oil sealing of the present invention can meet automobile hub unit sealing better, and has the beneficial effect of long lifetime, high reliability, freedom from repairs bearing.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of metal firmware and rubber seal 1 in the present invention;
Accompanying drawing 2 is the structural representation of metallic sealed cover 9 in the present invention;
Accompanying drawing 3 is using state schematic diagram of the present invention.
Embodiment
As shown in Figure 1, 2, 3, the invention provides a kind of oil seal, comprise the metal frame 7 of L-type, this metal frame 7 is provided with rubber seal 1, above this rubber seal 1 top, be wherein provided with main lip 2 and be provided with secondary lip 8 below it, this main lip 2 is provided with banding spring 3, is wherein provided with labyrinth overlap joint lip 4 at the middle part of this rubber seal 1, and is provided with lock sealing gear lip 6 in the bottom 5 of this rubber seal 1; Also comprise the metallic sealed cover 9 of ring-type, this metallic sealed cover 9 is stuck in aforesaid main lip 2, between labyrinth overlap joint lip 4 and lock sealing gear lip 6.
Specifically main lip 2 is for V-type shape and secondary lip 8 is U-shaped shape, and one end of this main lip 2 and one end of secondary lip 8 link into an integrated entity.Be provided with in the inner side of metallic sealed cover 9 annular back-up ring thus with the nib contacts of main lip 2.
Embodiment 1:
In oil sealing of the present invention, agent structure is major-minor bead structure, and main lip 2 bizet (top, i.e. right side in Fig. 1) arranges banding spring 3, and main lip 2 is large compared with secondary lip 8 radial dimension, and middle part arranges labyrinth overlap joint lip 4, and top circumferential sectors establishes lock sealing lid; During use, the main lip 2 of sealing is contacted with on sealing cover, sealing cover external diameter embeds oil sealing main body.Oil sealing main body and sealing cover form oil sealing of the present invention, secondary lip 8 and sealing surface near bearing side, sealing cover internal diameter and sealing surface interference fit and outside.
Oil sealing main body as shown in Figure 1, metal frame 7 good for punching press is wrapped among rubber become interior bag matrix type, the sectional shape of oil sealing main body and banding spring 3 make main lip 2 (mouth) have axle to follow compensatory preferably, and to covering dirt, secondary lip 8 mainly prevents lubricating grease from revealing.Therefore, this oil sealing can obtain good sealing effect with less lip radial force.
The assembling of oil sealing as shown in Figure 3, embeds sealing cover, makes the main lip 2 of sealing act on sealing cover from sealed body side, sealing cover external diameter is sealed locking gear lip and blocks; Lap hermetically lip, to the axial aiding support of sealing cover, prevents sealing cover from tilting; Lap hermetically lip and sealing cover define labyrinth sealing simultaneously, prevent extraneous dust and sewage from entering Bearing inner.Sealing cover interference fit is contained on axle by special pressure machine by the oil sealing after combination, and sealing cover and metal frame 7 be radial support oil sealing well, does not need extra sealing supporting, simplifies main frame seal space.
Claims (3)
1. an oil seal, it is characterized in that: the metal frame (7) comprising L-type, this metal frame (7) is provided with rubber seal (1), wherein be provided with main lip (2) in the top at this rubber seal (1) top and be provided with secondary lip (8) below it, this main lip (2) is provided with banding spring (3), wherein be provided with labyrinth overlap joint lip (4) at the middle part of this rubber seal (1), and be provided with lock sealing gear lip (6) in the bottom (5) of this rubber seal (1); Also comprise the metallic sealed cover (9) of ring-type, this metallic sealed cover (9) is stuck in aforesaid main lip (2), between labyrinth overlap joint lip (4) and lock sealing gear lip (6).
2. a kind of oil seal as claimed in claim 1, it is characterized in that: wherein main lip (2) is for V-type shape and secondary lip (8) is U-shaped shape, and one end of one end of this main lip (2) and secondary lip (8) links into an integrated entity.
3. a kind of oil seal as claimed in claim 2, is characterized in that: be wherein provided with in the inner side of metallic sealed cover (9) annular back-up ring thus with the nib contacts of main lip (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685153.9A CN105240534A (en) | 2015-10-21 | 2015-10-21 | Novel oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685153.9A CN105240534A (en) | 2015-10-21 | 2015-10-21 | Novel oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105240534A true CN105240534A (en) | 2016-01-13 |
Family
ID=55038301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510685153.9A Pending CN105240534A (en) | 2015-10-21 | 2015-10-21 | Novel oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240534A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848268A (en) * | 2018-08-20 | 2020-02-28 | 斯凯孚公司 | Sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106878A2 (en) * | 1999-12-10 | 2001-06-13 | RFT S.p.A. | A low-friction seal assembly, in particular for a rolling-element bearing, and a manufacturing method therefor |
| CN201521649U (en) * | 2009-11-09 | 2010-07-07 | 青岛开世密封工业有限公司 | Integrated oil seal |
| CN201795040U (en) * | 2010-09-21 | 2011-04-13 | 青岛开世密封工业有限公司 | Oil seal |
| CN202209422U (en) * | 2011-07-12 | 2012-05-02 | 龙口市飞轮汽车配件有限责任公司 | Bearing oil seal |
| CN205207682U (en) * | 2015-10-21 | 2016-05-04 | 宝塔实业股份有限公司 | Novel oil seal |
-
2015
- 2015-10-21 CN CN201510685153.9A patent/CN105240534A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106878A2 (en) * | 1999-12-10 | 2001-06-13 | RFT S.p.A. | A low-friction seal assembly, in particular for a rolling-element bearing, and a manufacturing method therefor |
| CN201521649U (en) * | 2009-11-09 | 2010-07-07 | 青岛开世密封工业有限公司 | Integrated oil seal |
| CN201795040U (en) * | 2010-09-21 | 2011-04-13 | 青岛开世密封工业有限公司 | Oil seal |
| CN202209422U (en) * | 2011-07-12 | 2012-05-02 | 龙口市飞轮汽车配件有限责任公司 | Bearing oil seal |
| CN205207682U (en) * | 2015-10-21 | 2016-05-04 | 宝塔实业股份有限公司 | Novel oil seal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848268A (en) * | 2018-08-20 | 2020-02-28 | 斯凯孚公司 | Sealing device |
| CN110848268B (en) * | 2018-08-20 | 2023-09-15 | 斯凯孚公司 | Sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |