CN204327956U - With the oil sealing of tension support ring - Google Patents
With the oil sealing of tension support ring Download PDFInfo
- Publication number
- CN204327956U CN204327956U CN201420513441.7U CN201420513441U CN204327956U CN 204327956 U CN204327956 U CN 204327956U CN 201420513441 U CN201420513441 U CN 201420513441U CN 204327956 U CN204327956 U CN 204327956U
- Authority
- CN
- China
- Prior art keywords
- support ring
- oil sealing
- skeleton
- rubber body
- 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 - Fee Related
Links
Abstract
The utility model relates to a kind of Sealing, especially relates to a kind of oil sealing with tension support ring.Comprise rubber body and skeleton, rubber body towards bore hole wall is the oil-seal outer of annular, the inner side of oil-seal outer is provided with skeleton, skeleton is the support ring of band tension, support ring is circular, and support ring is provided with opening, and the angle of opening is 20-40 °, in interference fit between the external diameter of support ring and the rubber body outside it, support ring is made up of spring steel.Its skeleton can be reused, and without the need to processing the operation such as tackiness agent and sulfuration, the installation of oil sealing and assembly process are simple, the good sealing effect of oil sealing.
Description
Technical field
The utility model relates to a kind of Sealing, especially relates to a kind of oil sealing with tension support ring.
Background technique
Narrow section oil sealing is generally used for less seal space, and existing narrow section oil sealing is little due to design space, cannot design processing, generally be made up of rubber body, as shown in Figure 1, does not have skeleton and spring.The oil sealing enclasping force be made up of rubber body is less, and sealing effect is poor.
Model utility content
The utility model solves above-mentioned technical problem, and provide a kind of oil sealing with tension support ring, its skeleton can be reused, and without the need to processing the operation such as tackiness agent and sulfuration, the installation of oil sealing and assembly process are simple, the good sealing effect of oil sealing.
For achieving the above object, the utility model is by the following technical solutions: a kind of oil sealing with tension support ring, comprises rubber body and skeleton, and the rubber body towards bore hole wall is the oil-seal outer of annular, the inner side of oil-seal outer is provided with skeleton, skeleton is the support ring of band tension, and support ring is circular, and support ring is provided with opening, the angle of opening is 20-40 °, in interference fit between the external diameter of support ring and the rubber body outside it, support ring is made up of spring steel.
In the utility model, the angle of described opening is preferably 30 °.The gap of opening is 1-10mm.
Rubber body is provided with main lip and dust excluder lips towards the side of rotating shaft, the main lip of oil sealing plays sealing medium, spring is positioned at the annular outboard of main lip, spring plays the auxiliary effect increasing main lip enclasping force, there be supplementing of enclasping force the phase after a procedure to make oil sealing, extend the working life of oil sealing, dust excluder lips is used for preventing the impurity such as external dust from entering cavity.
Compared with prior art, the utility model has the advantages that,
(1) support ring is without the need to processing the operations such as tackiness agent, and when changing oil sealing, support ring can be reused, and cuts the waste, and reduces costs;
(2) skeleton in the utility model, without the need to sulfuration, simplifies vulcanization process, decreases reject rate;
(3) installation of oil sealing and assembling simple, good sealing effect.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing narrow section oil sealing;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is the plan view of support ring in the utility model.
In figure: 1 rubber body; 2 springs; 3 support rings; 4 openings.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 2, this oil sealing comprises rubber body 1, spring 2 and skeleton, rubber body 1 is provided with main lip and dust excluder lips towards the side of rotating shaft, the main lip of oil sealing plays sealing medium, spring 2 is positioned at the annular outboard of main lip, and spring 2 plays the auxiliary effect increasing main lip enclasping force, and there be supplementing of enclasping force the phase after a procedure to make oil sealing, extend the working life of oil sealing, dust excluder lips is used for preventing the impurity such as external dust from entering cavity.Rubber body is annular oil-seal outer towards the side of bore hole wall, and the inner side of oil-seal outer is provided with the support ring 3 that skeleton skeleton is band tension, and support ring is made up of spring steel, has certain elastic force.Support ring 3 is in circular, and be provided with an opening 4 at any place of annulus, the angle of this opening is generally 20-40 °, preferably 30 °; The gap of this opening is 1-10mm.In interference fit between the external diameter of support ring and the rubber body outside it.
Support ring is clutched and puts into rubber body easily, by the interference fit between support ring and the rubber body matched, being arranged in oil sealing by support ring before installing by oil sealing.During oil sealing assembling, only need by the cylindrical of oil sealing clutching gently, oil sealing will enter installation bore easily, by the tension of support ring, to make between oil-seal outer and bore, in interference fit, to play the seal action of cylindrical.
Claims (4)
1. the oil sealing with tension support ring, comprise rubber body (1) and skeleton, it is characterized in that: the rubber body towards bore hole wall is the oil-seal outer of annular, the inner side of oil-seal outer is provided with skeleton, skeleton is the support ring (3) of band tension, support ring (3) is in circular, support ring (3) is provided with opening (4), the angle of opening (4) is 20-40 °, two faces of composition opening (4) are two faces be parallel to each other, in interference fit between the external diameter of support ring and the rubber body outside it, support ring is made up of spring steel.
2. the oil sealing of band tension support ring according to claim 1, is characterized in that: the angle of described opening (4) is 30 °.
3. the oil sealing of band tension support ring according to claim 1, is characterized in that: the gap of described opening (4) is 1-10mm.
4. the oil sealing of band tension support ring according to claim 1, is characterized in that: rubber body (1) is provided with main lip and dust excluder lips towards the side of rotating shaft, the annular outboard of main lip is provided with spring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513441.7U CN204327956U (en) | 2014-09-05 | 2014-09-05 | With the oil sealing of tension support ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513441.7U CN204327956U (en) | 2014-09-05 | 2014-09-05 | With the oil sealing of tension support ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327956U true CN204327956U (en) | 2015-05-13 |
Family
ID=53164319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513441.7U Expired - Fee Related CN204327956U (en) | 2014-09-05 | 2014-09-05 | With the oil sealing of tension support ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327956U (en) |
-
2014
- 2014-09-05 CN CN201420513441.7U patent/CN204327956U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150513 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |