CN210600150U - Forward combined oil seal - Google Patents
Forward combined oil seal Download PDFInfo
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- CN210600150U CN210600150U CN201920873564.4U CN201920873564U CN210600150U CN 210600150 U CN210600150 U CN 210600150U CN 201920873564 U CN201920873564 U CN 201920873564U CN 210600150 U CN210600150 U CN 210600150U
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- oil seal
- oil blanket
- oil
- blanket
- seal
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Abstract
The utility model discloses a cisoid combination oil blanket relates to the agricultural machine field, has solved the big problem of combination oil blanket axial distance among the prior art, and its technical essential is: the oil seal comprises an outer oil seal and an inner oil seal, wherein the inner oil seal is arranged in the outer oil seal, an outer framework is arranged in the outer oil seal, an inner framework is arranged in the inner oil seal, and the outer framework and the inner framework are arranged in the same direction in a manner of consistent distribution direction; the embodiment of the utility model provides a through establishing interior oil blanket in outer oil blanket to the structure that makes interior oil blanket is similar with the structure of outer oil blanket, and outer oil blanket and interior oil blanket syntropy set up, has reduced the space between outer oil blanket and the interior oil blanket, thereby has reduced the axial dimensions of oil blanket, makes the combination oil blanket can be used to the less equipment of axial dimensions, simultaneously the utility model discloses the embodiment is equipped with two-layer dirt-proof vice lip that is used for in the outside, has increased the dirt resistance of combination oil blanket.
Description
Technical Field
The utility model relates to the field of agricultural machinery, especially, relate to a consequent combination oil blanket.
Background
The oil seal is a common name of a sealing element, namely the sealing of lubricating oil, is a mechanical element for sealing grease, and separates a part needing to be lubricated in a transmission part from a force-applying part so as not to allow the lubricating oil to leak; the representative form of the oil seal is TC oil seal, which is a rubber fully covered double lip oil seal with a self-tightening spring.
The combined oil seal is formed by combining a plurality of oil seals in an interference fit manner, the combined oil seal has multiple sealing performance and good sealing effect and is used for heavy pollution or environments with more soil and dust, the combined oil seal in the prior art adopts a reverse combined design, a small ring lip is large, a main lip opening is arranged on an outer oil seal, and the oil seal is large in size and not suitable for places with small axial space due to the design mode, so that a forward combined oil seal is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a syntropy combination oil blanket to solve the big problem of combination oil blanket axial distance among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a consequent combination oil blanket, includes outer oil blanket and interior oil blanket, and interior oil blanket is established in outer oil blanket, is equipped with outer skeleton in the outer oil blanket, is equipped with the inner frame that is equipped with in the interior oil blanket, and outer skeleton and inner frame set up according to the mode cisoid that the direction of distribution is unanimous.
As a further proposal of the utility model, the outer frame and the inner frame are L-shaped.
As a further proposal of the utility model, the inner side of the outer oil seal is provided with an auxiliary lip for dust prevention.
As a further scheme of the utility model, be equipped with the main lip that is used for preventing the grease leakage on the inner ring of interior oil blanket and be used for dirt-proof vice lip, main lip is established in the one side of keeping away from outer oil blanket, and vice lip is established in the one side of being close to outer oil blanket.
As a further aspect of the present invention, the right side of the inner oil seal is provided with a groove for reducing the friction surface.
As a further aspect of the present invention, the outer side surface of the outer oil seal is provided with heat dissipation holes for improving heat dissipation.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
the embodiment of the utility model provides a through establishing interior oil blanket in outer oil blanket to the structure that makes interior oil blanket is similar with the structure of outer oil blanket, and outer oil blanket and interior oil blanket syntropy set up, has reduced the space between outer oil blanket and the interior oil blanket, thereby has reduced the axial dimensions of oil blanket, makes the combination oil blanket can be used to the less equipment of axial dimensions, simultaneously the utility model discloses the embodiment is equipped with two-layer dirt-proof vice lip that is used for in the outside, has increased the dirt resistance of combination oil blanket.
Drawings
Fig. 1 is a schematic structural diagram of a forward combination oil seal.
Fig. 2 is a full sectional view of the forward combination oil seal embodiment 1.
Fig. 3 is a schematic view of the inner side surface structure of the outer oil seal in the forward combined oil seal.
Fig. 4 is a schematic structural diagram of the inner side surface of an inner oil seal in the forward combined oil seal.
Fig. 5 is a schematic structural diagram of the outer side surface of the inner oil seal in the forward combined oil seal.
Fig. 6 is a front view of the forward combination oil seal embodiment 2.
Reference numerals: 1-outer oil seal, 2-inner oil seal, 3-outer framework, 4-inner framework and 5-steel ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1
As shown in fig. 1 and 2, a forward combined oil seal comprises an outer oil seal 1 and an inner oil seal 2, wherein the outer oil seal 1 is in clearance fit with the inner oil seal 2;
as shown in fig. 3, the cross section of the outer oil seal 1 is L-shaped, an outer framework 3 is arranged in the outer oil seal 1, the outer framework 3 plays a role in fixing the shape of the outer oil seal 1 and supporting the outer oil seal 1 to prevent the outer oil seal 1 from deforming, the outer framework 3 is L-shaped, sealing rubber on the outer oil seal 1 is fixed on the outer side and the outer edge of the outer framework 3, the left side of the outer framework 3 leaks out to be matched with the inner oil seal 2 to reduce the sliding resistance between the outer oil seal 1 and the inner oil seal 2, and the inner side of the outer oil seal 1 is provided with a dustproof auxiliary lip to prevent external dust from entering the equipment;
as shown in fig. 4 and 5, the inner oil seal 2 is arranged at the inner side of the outer oil seal 1, an inner framework 4 for supporting the inner oil seal 2 and preventing the inner oil seal 2 from deforming is arranged in the inner oil seal 2, the inner framework 4 is L-shaped, a main lip for preventing grease leakage and an auxiliary lip for preventing dust are arranged on the inner ring of the inner oil seal 2, the main lip is arranged at the side far away from the outer oil seal 1, and the auxiliary lip is arranged at the side close to the outer oil seal 1; a steel ring 5 for increasing the sealing property is arranged in the main lip, the main lip is tightly pressed on the shaft by the steel ring 5 for increasing the sealing property, and the steel ring 5 is fixedly connected with the main lip;
preferably, the left side of the inner oil seal 2 is provided with a connecting block for increasing the fixing strength, and the right side of the inner oil seal 2 is provided with a groove for reducing the friction surface;
preferably, in this embodiment, the outer frame 3 and the inner frame 4 are made of metal.
Example 2
As shown in figure 1, the forward combined oil seal comprises an outer oil seal 1 and an inner oil seal 2, wherein the outer oil seal 1 is in clearance fit with the inner oil seal 2;
as shown in fig. 6, in this embodiment, heat dissipation holes for improving heat dissipation are formed in the outer side surface of the outer oil seal 1, and the heat dissipation holes are formed in the rubber on the outer oil seal 1 and used for increasing heat dissipation when the outer oil seal 1 and the inner oil seal 2 rotate at high speed, which is otherwise the same as that in embodiment 1.
To sum up, the utility model discloses a theory of operation is:
the embodiment of the utility model provides a through establishing interior oil blanket 2 in outer oil blanket 1 to make the structure of interior oil blanket 2 and the structure of outer oil blanket 1 similar reduce the control between outer oil blanket 1 and the interior oil blanket 2, thereby reduced the axial dimension of oil blanket, make the combination oil blanket can be used to the less equipment of axial dimension, simultaneously the embodiment of the utility model provides a be equipped with two-layer dirt-proof vice lip that is used for in the outside, increased the dirt resistance of combination oil blanket.
It needs to explain specially that, the dustproof sealing principle of oil blanket is prior art's application in this application, and the axial dimension that reduces combination oil blanket through the cisoid combination oil blanket sets up is the innovation point of this application, and it has effectively solved the big problem of combination oil blanket axial distance among the clear prior art.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a consequent combination oil blanket, includes outer oil blanket (1) and inner oil blanket (2), its characterized in that, establishes in outer oil blanket (1) inner oil blanket (2), is equipped with exoskeleton (3) in outer oil blanket (1), and inner frame (4) that are equipped with in inner oil blanket (2), and exoskeleton (3) and inner frame (4) set up according to the mode cisoid that the direction of distribution is unanimous.
2. The forward combination oil seal of claim 1, wherein the outer frame (3) and the inner frame (4) are both L-shaped.
3. The forward combination oil seal of claim 1, wherein the inner side of the outer oil seal (1) is provided with a secondary lip for dust prevention.
4. The forward combination oil seal of claim 3, wherein the inner ring of the inner oil seal is provided with a main lip for preventing grease leakage and an auxiliary lip for preventing dust, the main lip is arranged on the side far away from the outer oil seal (1), and the auxiliary lip is arranged on the side close to the outer oil seal (1).
5. The forward combined oil seal as defined in any one of claims 1 to 4, characterized in that the right side of the inner oil seal (2) is provided with a groove for reducing the friction surface.
6. The consequent combination oil seal of claim 5, wherein the outer side surface of the outer oil seal (1) is provided with heat dissipation holes for improving heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873564.4U CN210600150U (en) | 2019-05-30 | 2019-05-30 | Forward combined oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873564.4U CN210600150U (en) | 2019-05-30 | 2019-05-30 | Forward combined oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600150U true CN210600150U (en) | 2020-05-22 |
Family
ID=70696850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920873564.4U Active CN210600150U (en) | 2019-05-30 | 2019-05-30 | Forward combined oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210600150U (en) |
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2019
- 2019-05-30 CN CN201920873564.4U patent/CN210600150U/en active Active
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