CN201705939U - Rotating shaft combined oil seal - Google Patents
Rotating shaft combined oil seal Download PDFInfo
- Publication number
- CN201705939U CN201705939U CN2010201911964U CN201020191196U CN201705939U CN 201705939 U CN201705939 U CN 201705939U CN 2010201911964 U CN2010201911964 U CN 2010201911964U CN 201020191196 U CN201020191196 U CN 201020191196U CN 201705939 U CN201705939 U CN 201705939U
- Authority
- CN
- China
- Prior art keywords
- oil seal
- seal
- inner frame
- ring
- running shaft
- 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 relates to a rotating shaft combined oil seal, which belongs to the technical field of seal elements and comprises an outer oil seal and an inner skeleton located at the inner side of the outer oil seal; the outer oil seal and the inner skeleton are in interference fit, wherein one end of the inner wall of the inner skeleton is provided with an annular seal ring. The oil seal reduces the influence of the quality of the inner surface of the inner skeleton and the surface quality of a rotating shaft on the seal effect, reduces the processing demands on the surface quality of the inner skeleton, the assembling process demands on the oil seal and the manufacturing cost of the oil seal and has good seal effect.
Description
Technical field
The utility model relates to a kind of Sealing, especially a kind of running shaft combination oil seal.
Background technique
The engine revolution axle is in the high speed rotating state at work always, the engine revolution axle is sealed the combination oil seal that can adopt as shown in Figure 1, this combination oil seal comprises outer oil seal 1 and inner frame 2, is connected by interference fit between outer oil seal 1 and the inner frame 2.After inner frame is assemblied in running shaft, this oil sealing can use, but there is following defective in the oil sealing of this structure: when this oil sealing uses, its sealing effect can be subjected to inner surface quality and the running shaft surface quality such as the degree of finish of inner frame 2, turbidity test, influences such as assembly manipulation when tolerance fit and installation, influence the sealing reliability at this position, cause leakage of oil when serious easily, therefore in order to improve the sealing effect of oil sealing, improve this reliability of products, need to improve the surface quality and the assembly technology of skeleton internal surface, but meanwhile also can increase the processing technology of skeleton, reduce efficiency of assembling, and improved manufacture cost.
The model utility content
The purpose of this utility model is to propose a kind of end face seal formula running shaft combination oil seal, it has reduced the influence to sealing effect of inner frame surface quality and running shaft surface quality, internally the processing request of skeleton surface quality reduces, also reduce the assembly technology requirement of this oil sealing, improved the sealing reliability at this position simultaneously.
The utility model is to adopt following technological scheme to realize: a kind of running shaft combination oil seal, comprise outer oil seal and the inner frame that is positioned at the outer oil seal inboard, be interference fit between outer oil seal and the inner frame, wherein, an end of inner frame inwall is provided with an O-ring seal.O-ring seal can directly be vulcanized on the inner frame inwall.
In the utility model, described O-ring seal can be the ring-shaped rubber seal, also can be ring-shaped P TFE paster or ring-shaped P TFE coating.
The beneficial effects of the utility model are: by the end sulfuration O-ring seal at the inner frame inwall, can reduce the influence of inner frame inner surface quality and running shaft surface quality to sealing effect, the assembly technology that has reduced processing request, the oil sealing of internal skeleton surface quality requires and the manufacture cost of oil sealing, and good sealing effect.
Description of drawings
Fig. 1 is the half sectional view of existing running shaft combination oil seal;
Fig. 2 is a half sectional view of the present utility model among the embodiment 1;
Fig. 3 is a half sectional view of the present utility model among the embodiment 2.
Embodiment
Be illustrated in figure 2 as first kind of structural type of running shaft combination oil seal in the utility model.This oil sealing comprises outer oil seal 1 and is positioned at the inner frame 2 of outer oil seal 1 inboard, is interference fit between outer oil seal 1 and the inner frame 2, interconnects by interference fit between outer oil seal 1 and the inner frame 2.One end of inner frame 2 inwalls is provided with an O-ring seal, and the sealing circle is a ring-shaped rubber seal 3.Rubbery sealed body 3 directly vulcanizes on inner frame 2.
After being assembled to this oil sealing on the running shaft, be equivalent to increase a road sealing device, both improved the sealing effect of oil sealing, reduced the influence of inner frame inner surface quality and the internal reinforced seal effect of running shaft surface quality again, therefore the sealing of this oil sealing is better, has reduced the manufacture cost of the processing request and the inner frame of internal skeleton surface quality simultaneously.This oil sealing is applicable to the running shaft of high speed rotating.
Be illustrated in figure 3 as second kind of structural type of running shaft combination oil seal in the utility model, wherein an end of inner frame 2 inwalls is provided with the PTFE paster 4 of an annular.An end of inner frame 2 inwalls also can be provided with ring-shaped P TFE coating in addition.
Other are with embodiment 1.
Claims (4)
1. a running shaft combination oil seal comprises outer oil seal and the inner frame that is positioned at the outer oil seal inboard, is interference fit between outer oil seal and the inner frame, and it is characterized in that: an end of inner frame inwall is provided with an O-ring seal.
2. running shaft combination oil seal according to claim 1 is characterized in that: described O-ring seal is the ring-shaped rubber seal.
3. running shaft combination oil seal according to claim 1 is characterized in that: described O-ring seal is a ring-shaped P TFE paster.
4. running shaft combination oil seal according to claim 1 is characterized in that: described O-ring seal is a ring-shaped P TFE coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201911964U CN201705939U (en) | 2010-05-14 | 2010-05-14 | Rotating shaft combined oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201911964U CN201705939U (en) | 2010-05-14 | 2010-05-14 | Rotating shaft combined oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201705939U true CN201705939U (en) | 2011-01-12 |
Family
ID=43443095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201911964U Expired - Fee Related CN201705939U (en) | 2010-05-14 | 2010-05-14 | Rotating shaft combined oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201705939U (en) |
-
2010
- 2010-05-14 CN CN2010201911964U patent/CN201705939U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201627926U (en) | Heavy truck bridge hub oil seal | |
| CN201802873U (en) | Lip-shaped sealing ring of rotating shaft | |
| CN204852025U (en) | High leakproofness sealing ring structure for bearing | |
| CN201705939U (en) | Rotating shaft combined oil seal | |
| CN204055950U (en) | A kind of car steering tube column of modified node method | |
| CN206647431U (en) | A kind of pressure-resistant combined type packing ring of bearing high leakproofness | |
| CN202646709U (en) | Compound type oil seal | |
| CN105065464A (en) | High-sealability sealing ring structure for bearing | |
| CN202125529U (en) | Cross shaft oil seal | |
| CN206439404U (en) | A kind of hub assembly O-ring seals sealing | |
| CN202946684U (en) | Composite hub oil seal | |
| CN206781431U (en) | A kind of automobile hub assembly | |
| CN202140571U (en) | Shaft-mounted combined PTFE structured oil seal | |
| CN203214637U (en) | Sealing ring for light-duty bearing | |
| CN205212620U (en) | Sealing member of motor shaft through wires hole | |
| CN204628274U (en) | A kind of automobile bearing | |
| CN103104611A (en) | Machining process of bearing teeth with novel sealing ring | |
| CN203175941U (en) | Auto water pump assembly with seal ring | |
| CN201953506U (en) | One-piece crankshaft rear oil seal | |
| CN202937654U (en) | Automobile deep-groove ball bearing | |
| CN202612644U (en) | Oil seal ring of high-pressure plunger pump | |
| CN203285999U (en) | Seal ring for plunger type oil gas cylinder | |
| CN202048201U (en) | End-face sealing ring of rotating shaft | |
| CN201992070U (en) | Combined shaft sleeve oil seal | |
| CN216951661U (en) | Large eccentricity resistant rotary oil seal |
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: 20110112 Termination date: 20130514 |