CN2551817Y - Split labyrinth type oil seal for preventing mud and water - Google Patents
Split labyrinth type oil seal for preventing mud and water Download PDFInfo
- Publication number
- CN2551817Y CN2551817Y CN 02267645 CN02267645U CN2551817Y CN 2551817 Y CN2551817 Y CN 2551817Y CN 02267645 CN02267645 CN 02267645 CN 02267645 U CN02267645 U CN 02267645U CN 2551817 Y CN2551817 Y CN 2551817Y
- Authority
- CN
- China
- Prior art keywords
- oil seal
- seal
- outer oil
- split
- inner 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.)
- Expired - Lifetime
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to a detachable labyrinth oil seal capable of preventing muddy water, consisting of an inner oil seal and an outer oil seal. The utility model is characterized in that the inner oil seal and the outer oil seal can be connected detachably. The inner oil seal and the outer oil seal can be detached and make a relative sliding axially. The outer oil seal is sleeved on the inner oil seal in the mode of an interference fit. Lubricating grease is coated between the inner oil seal and the outer oil seal. The utility model is hard to damage when being installed.
Description
Technical field
The utility model belongs to the seal arrangement of band elastic packing lip, the oil sealing that especially agricultural large tractor vehicle bridge position is used.
Background technique
The normal anti-muddy water oil sealing of a kind of mazy type that adopts on the abominable farm machinery of external environment condition, it is combined by inner oil seal and outer oil seal, and as shown in Figure 1, the skeleton 11 of inner oil seal is crushed in the groove of outer oil seal skeleton 10, thereby the location forms a fixing integral body mutually.The oil sealing of this structure, when reality is used, especially use when large tractor vehicle bridge position, in installation process, very easily bump, this is because the axle and the oil sealing at large tractor vehicle bridge position are all very big, heavy macro-axis is difficult to adjust its direction and position alignment and the essentially identical oil sealing inner ring of its diameter, so macro-axis might strike on the oil sealing that present hole has been installed, damages mutually combining of inner oil seal and outer oil seal.Oil sealing is in a single day impaired must to be reduced working life, and influence is used normally.
Summary of the invention
The anti-muddy water oil sealing of non-damageable split mazy type when the purpose of this utility model provides a kind of installation.
The utility model is achieved in that it comprises inner oil seal and outer oil seal that detachable connects, and inner oil seal and outer oil seal axially slide relative also separate; Outer oil seal is socketed on the inner oil seal, and is interference fit; Scribble lubricating grease between inner oil seal and the outer oil seal.
The utility model can be installed in interior outer oil seal respectively during installation on axle and the seat hole because interior outer oil seal is the detachable connection, installs again; And interior outer oil seal can slide damage oil sealing when having avoided installation to axial.
Description of drawings
Fig. 1 is the prior art constructions schematic representation.
Fig. 2 is a structural representation of the present utility model.
Embodiment
Fig. 2 is macro-axis 6 and the seat hole 1 and the structural representation of the present utility model at large tractor vehicle bridge position.The utility model comprises inner oil seal and outer oil seal, inner oil seal comprises inner oil seal seal 7 and it is played the inner oil seal skeleton 5 of support and reinforing function, outer oil seal comprises outer oil seal seal 2 and it is played the outer oil seal skeleton 3 of support and reinforing function, a main lip 8 and three secondary lips 9 are arranged on the outer oil seal seal 2, wherein install corresponding to the back of main lip 8 on the outer oil seal seal 2 and be equipped with outer oil seal spring 4.Inner oil seal skeleton 5 is can be relative to circumferentially rotating with in axial sliding with outer oil seal seal 2.
During installation, the outer oil seal that at first will contain outer oil seal skeleton 3 and outer oil seal seal 2 is installed in the present hole 1, the inner oil seal that will contain inner oil seal skeleton 5 and inner oil seal seal 7 is installed on the macro-axis 6, will have the formed inner ring insertion of lip that inner oil seal macro-axis 6 is aimed at outer oil seal sealing lip master lip 8, secondary lip 9 then; Because the regime of elastic deformation of this inner ring is bigger, make the location of macro-axis 6, installation be very easy to; After macro-axis 6 installs, the skeleton 5 of inner oil seal be converted into part with axis normal withstand on suitably just outer oil seal rubber seal 2 apart from the spring secondary lip 9 farthest, promptly in outer oil seal also be installed in together just.Inner oil seal is with macro-axis 6 rotations during work.Lubricating grease between the interior outer oil seal plays lubrication.Because the effect of seat hole and flap, in the course of the work, interior outer oil seal has only small slide relative in the axial direction, does not influence sealing effect.
Claims (4)
1. a split mazy type is prevented the muddy water oil sealing, and it comprises inner oil seal and outer oil seal, it is characterized in that: described inner oil seal is that detachable is connected with outer oil seal.
2. split mazy type according to claim 1 is prevented the muddy water oil sealing, it is characterized in that: inner oil seal and outer oil seal be slide relative and separating axially.
3. split mazy type according to claim 2 is prevented the muddy water oil sealing, and it is characterized in that: outer oil seal is socketed on the inner oil seal, and is interference fit.
4. according to claim 1 or the anti-muddy water oil sealing of 3 described split mazy types, it is characterized in that: scribble lubricating grease between described inner oil seal and the outer oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267645 CN2551817Y (en) | 2002-06-11 | 2002-06-11 | Split labyrinth type oil seal for preventing mud and water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267645 CN2551817Y (en) | 2002-06-11 | 2002-06-11 | Split labyrinth type oil seal for preventing mud and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2551817Y true CN2551817Y (en) | 2003-05-21 |
Family
ID=33733204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267645 Expired - Lifetime CN2551817Y (en) | 2002-06-11 | 2002-06-11 | Split labyrinth type oil seal for preventing mud and water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2551817Y (en) |
Cited By (1)
| 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 |
-
2002
- 2002-06-11 CN CN 02267645 patent/CN2551817Y/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120611 Granted publication date: 20030521 |