CN217234394U - High-strength framework oil seal - Google Patents
High-strength framework oil seal Download PDFInfo
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- CN217234394U CN217234394U CN202123406030.7U CN202123406030U CN217234394U CN 217234394 U CN217234394 U CN 217234394U CN 202123406030 U CN202123406030 U CN 202123406030U CN 217234394 U CN217234394 U CN 217234394U
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Abstract
The utility model provides a high-strength framework oil seal, which comprises an oil seal body, a framework body and a compression spring ring, wherein the oil seal body comprises an outer diameter part, a connecting part and an inner diameter part; the framework body comprises a first framework, a second framework, a third framework and a fourth framework, the first framework is arranged inside the outer diameter part, the second framework is connected with the first framework, the second framework is arranged inside the connecting part, one end of the third framework is connected with the second framework, the other end of the third framework extends to the inner diameter part in an inclined mode, and two ends of the fourth framework are respectively connected with the first framework and the third framework; the outer side surface of the inner diameter part of the oil seal body is provided with a mounting groove, and the compression spring ring is embedded in the mounting groove. The utility model optimizes the structure of the oil seal body and the framework body, and can improve the structural strength of the framework oil seal; the inner diameter part of the oil seal body is provided with double sealing lips for sealing, and the external double dustproof lips are arranged, so that the dustproof and sealing performance of the framework oil seal can be improved, and the service life of the framework oil seal is prolonged.
Description
Technical Field
The utility model relates to a skeleton oil blanket technical field especially relates to a high strength skeleton oil blanket.
Background
The framework oil seal is a typical representative of the oil seal, and the oil seal is generally referred to as the framework oil seal. The oil seal generally serves to isolate the components to be lubricated from the external environment, so as not to allow the lubricating oil to leak. The framework acts as a reinforcement for the steel bars inside the concrete member and allows the oil seal to maintain shape and tension. The skeleton oil blanket generally includes the oil blanket body, skeleton and compression spring coil, and traditional skeleton oil blanket adopts L type structure skeleton, and the intensity of skeleton is not enough, in case the compression spring coil became invalid, leads to sealed inefficacy scheduling problem easily.
Disclosure of Invention
The utility model aims at solving the shortcoming that exists among the prior art, and the high strength skeleton oil blanket that provides increases skeleton oil blanket intensity, improves the sealing performance of skeleton oil blanket.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-strength framework oil seal comprises an oil seal body, a framework body and a compression spring ring, wherein the oil seal body comprises an outer diameter part, a connecting part and an inner diameter part, and the connecting part is arranged between the outer diameter part and the inner diameter part; the framework body comprises a first framework, a second framework, a third framework and a fourth framework, the first framework is arranged inside the outer diameter part, the second framework is connected with the first framework, the second framework is arranged inside the connecting part, one end of the third framework is connected with the second framework, the other end of the third framework extends to the inner diameter part in an inclined mode, and two ends of the fourth framework are respectively connected with the first framework and the third framework; the outer side surface of the inner diameter portion of the oil seal body is provided with a mounting groove, and the compression spring ring is embedded in the mounting groove.
Preferably, a first end of the inner side surface of the inner diameter portion is provided with a first sealing lip and a second sealing lip, and the first sealing lip is arranged on the axial outer side of the second sealing lip.
Preferably, the second end of the inner side surface of the inner diameter portion is provided with a first dust lip and a second dust lip, and the first dust lip is arranged on the axial outer side of the second dust lip.
Preferably, the angle between the third skeleton and the second skeleton is 120-150 °.
Preferably, one end of the outer side surface of the outer diameter part is provided with a front chamfer, and the other end of the outer side surface of the outer diameter part is provided with a rear chamfer.
Preferably, the junction of first skeleton with the second skeleton is the arc transition.
Preferably, the skeleton body is of an integrally formed structure.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model optimizes the structure of the oil seal body and the framework body, and can improve the structural strength of the framework oil seal; the inner diameter part of the oil seal body is provided with double sealing lips for sealing, and the external double dustproof lips are arranged, so that the dustproof and sealing performance of the framework oil seal can be improved, and the service life of the framework oil seal is prolonged.
Drawings
Fig. 1 is the structural schematic diagram of the high-strength skeleton oil seal of the present invention.
In the figure, 100-framework oil seal, 10-oil seal body, 11-outer diameter part, 111-front chamfer, 112-rear chamfer, 12-connecting part, 13-inner diameter part, 131-first sealing lip, 132-second sealing lip, 133-first dust lip, 134-second dust lip, 135-mounting groove, 20-framework body, 21-first framework, 22-second framework, 23-third framework, 24-fourth framework and 30-compression spring ring.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1, fig. 1 is a schematic structural diagram of a high strength skeleton oil seal according to the present invention.
The utility model discloses a high strength skeleton oil blanket 100, including oil seal body 10, skeleton body 20 and compression spring ring 30, oil seal body 10 includes outer diameter portion 11, connecting portion 12 and inner diameter portion 13, and connecting portion 12 locates between outer diameter portion 11 and inner diameter portion 13; the skeleton body 20 includes a first skeleton 21, a second skeleton 22, a third skeleton 23 and a fourth skeleton 24, the first skeleton 21 is disposed inside the outer diameter portion 11, the second skeleton 22 is connected with the first skeleton 21, the second skeleton 22 is disposed inside the connecting portion 12, one end of the third skeleton 23 is connected with the second skeleton 22, the other end extends to the inner diameter portion 13 in an inclined manner, and two ends of the fourth skeleton 24 are connected with the first skeleton 21 and the third skeleton 23 respectively. Preferably, the angle between the third bobbin 23 and the second bobbin 22 is 120 ° to 150 °. The third framework 23 and the fourth framework 24 can enhance the structural strength of the framework body 20, provide a larger supporting force for the oil seal body 21, improve the sealing effect of the framework oil seal 100, and prolong the service life of the framework oil seal 100.
The outer side surface of the inner diameter portion 13 of the oil seal body 10 is provided with a mounting groove 135, and the compression spring ring 30 is embedded in the mounting groove 135. In application, the compression spring ring 30 can enhance the radial pressing force, so that the framework oil seal 100 is tightly attached to the surface of the shaft.
Preferably, the first end of the inner side surface of the inner diameter portion 13 is provided with a first sealing lip 131 and a second sealing lip 132, the first sealing lip 131, the second sealing lip 132 and the compression spring ring 30 are located at the same end of the inner diameter portion 13, and the first sealing lip 131 is arranged on the axial outer side of the second sealing lip 132. The first seal lip 131 and the second seal lip 132 are made of a flexible elastomer, and can maintain a stable sealing function. The compression spring ring 30 can increase the radial pressing force of the first sealing lip 131 and the second sealing lip 132, so that the first sealing lip 131 and the second sealing lip 132 are in close contact with the surface of the shaft, and the sealing performance is improved.
Further, a first dust lip 133 and a second dust lip 134 are provided at a second end of the inner side surface of the inner diameter portion 13, and the first dust lip 133 is provided axially outside the second dust lip 134. The utility model discloses an external two dustproof lip structures can play fine sealed, dustproof effect.
In one embodiment, the outer side of the outer diameter portion 11 has a front chamfer 111 at one end and a rear chamfer 112 at the other end. The front chamfer 111 and the rear chamfer 112 both have a guiding function, so that the installation is convenient, and the installation efficiency of the framework oil seal 100 can be improved.
In one embodiment, the frame 20 is an integral structure with high strength and long service life. The connection part of the first framework 21 and the second framework 22 is in arc transition, so that the problem of stress concentration caused by vertical transition can be avoided, and the service life of the framework body 20 is prolonged.
In the application, according to the difference of applied temperature, materials such as butadiene-acrylonitrile rubber, fluororubber can be adopted to the oil seal body 10, the utility model discloses do not restrict this.
To sum up, the utility model provides a high-strength framework oil seal, which optimizes the structure of the oil seal body and the framework body, and can improve the structural strength of the framework oil seal; the inner diameter part of the oil seal body is provided with double sealing lips for sealing, and the external double dustproof lips are arranged, so that the dustproof and sealing performance of the framework oil seal can be improved, and the service life of the framework oil seal is prolonged.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (7)
1. The utility model provides a high strength skeleton oil blanket which characterized in that: the oil seal comprises an oil seal body, a framework body and a compression spring ring, wherein the oil seal body comprises an outer diameter part, a connecting part and an inner diameter part, and the connecting part is arranged between the outer diameter part and the inner diameter part; the framework body comprises a first framework, a second framework, a third framework and a fourth framework, the first framework is arranged inside the outer diameter part, the second framework is connected with the first framework, the second framework is arranged inside the connecting part, one end of the third framework is connected with the second framework, the other end of the third framework extends to the inner diameter part in an inclined mode, and two ends of the fourth framework are respectively connected with the first framework and the third framework; the outer side surface of the inner diameter portion of the oil seal body is provided with a mounting groove, and the compression spring ring is embedded in the mounting groove.
2. The high strength skeleton oil seal of claim 1, wherein: the first end of the inner side surface of the inner diameter portion is provided with a first sealing lip and a second sealing lip, and the first sealing lip is arranged on the axial outer side of the second sealing lip.
3. The high strength framework oil seal according to claim 2, wherein: the inner side face second end of the inner diameter portion is provided with a first dust lip and a second dust lip, and the first dust lip is arranged on the axial outer side of the second dust lip.
4. The high strength framework oil seal according to claim 1, wherein: the angle between the third framework and the second framework is 120-150 degrees.
5. The high strength framework oil seal according to claim 1, wherein: one end of the outer side surface of the outer diameter part is provided with a front chamfer, and the other end of the outer side surface of the outer diameter part is provided with a rear chamfer.
6. The high strength skeleton oil seal of claim 1, wherein: the connection part of the first framework and the second framework is in arc transition.
7. The high strength skeleton oil seal of claim 1, wherein: the framework body is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406030.7U CN217234394U (en) | 2021-12-31 | 2021-12-31 | High-strength framework oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406030.7U CN217234394U (en) | 2021-12-31 | 2021-12-31 | High-strength framework oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217234394U true CN217234394U (en) | 2022-08-19 |
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ID=82828023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123406030.7U Active CN217234394U (en) | 2021-12-31 | 2021-12-31 | High-strength framework oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217234394U (en) |
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2021
- 2021-12-31 CN CN202123406030.7U patent/CN217234394U/en active Active
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