CN210715940U - Double-lip frameless rubber oil seal - Google Patents
Double-lip frameless rubber oil seal Download PDFInfo
- Publication number
- CN210715940U CN210715940U CN201921706109.1U CN201921706109U CN210715940U CN 210715940 U CN210715940 U CN 210715940U CN 201921706109 U CN201921706109 U CN 201921706109U CN 210715940 U CN210715940 U CN 210715940U
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- oil seal
- lip
- rubber oil
- double
- frameless
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Abstract
The utility model discloses a double-lip frameless rubber oil seal, it includes the rubber oil seal main part, and the rubber oil seal main part comprises outer anchor ring, interior anchor ring and terminal surface, and two seal lips are connected to the lower extreme of interior anchor ring, and the upper end of every seal lip all is equipped with the spring that corresponds, and two springs imbed the spring inslot that corresponds respectively, and outer anchor ring, interior anchor ring and terminal surface enclose into the cavity structure. The beneficial effects of the utility model are that: the dust lip is additionally arranged on the left side, so that dust can be effectively prevented from entering; the two lips are arranged on the left side of the rubber oil seal main body, so that the spring can be prevented from being soaked in lubricating oil, and the service life of the oil seal is prolonged; the double lips are arranged, and if one lip is damaged, the frameless oil seal can still be used continuously.
Description
Technical Field
The utility model relates to a double-lip frameless rubber oil seal belongs to oil blanket technical field.
Background
An oil seal is a precision rubber part with high technical content, and prevents the leakage of lubricating oil or other media by the contact of a sealing element such as flexible rubber, plastic and the like and a shaft. Wherein, according to having or not metal framework, the rubber oil blanket can be divided into skeleton oil blanket and no skeleton oil blanket, and uses the skeleton oil blanket then to have the inconvenient shortcoming of installation under the great, the abominable condition of operating mode of size of some axles, uses no skeleton rubber oil blanket to seal more this moment. The frameless oil seal is mainly applied to a transmission part in a rolling mill roller and a neutral machine of a steel mill, increases the radial force of a sealing lip on a rotating shaft through an extension spring, and is applied to a place where a sealing medium can provide sufficient lubrication. The patent of application number 201520450869.6, entitled "a double-lip J type does not have skeleton rubber oil blanket" discloses a does not have skeleton oil blanket, through being equipped with the lip twice respectively at the main part, can play the effect that improves the leakproofness, but still has the left side and easily enters the dust, and the right side spring soaks in lubricating oil, has certain corrosive action to the spring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a double lip does not have skeleton rubber oil seal, and this does not have skeleton oil seal left side and adds and establish the dust lip, and two lips all set up in rubber oil seal main part left side simultaneously, can avoid the spring to soak in lubricating oil like this, extension oil blanket life.
The utility model discloses a following scheme realizes: the utility model provides a double-lip frameless rubber oil seal, its includes rubber oil seal main part, rubber oil seal main part is the loop configuration, rubber oil seal main part comprises outer anchor ring, interior anchor ring and terminal surface, two seal lips are connected to the lower extreme of interior anchor ring, every the upper end of seal lip all is equipped with corresponding spring, open the upper end of interior anchor ring has two spring grooves, two the spring imbeds respectively the correspondence in the spring groove, outer anchor ring the interior anchor ring with the terminal surface encloses into the cavity structure, two the spring all is located in the cavity structure.
The end face blocks the two springs.
The end face is connected with the outer ring face and the inner ring face, the lower end of the outer ring face is connected with the dust lip, and the end face and the dust lip are arranged oppositely.
The inner annular surface is located between the end surface and the dust lip.
The bottom surface of the dust lip and the bottom surfaces of the two sealing lips are on the same plane.
The dust lip with two the seal lip all contacts with the axis of rotation.
The rubber oil seal comprises a rubber oil seal body and is characterized in that the rubber oil seal body is arranged in a sealing type body, a clamping groove is formed in the lower end of the sealing type body, a pressing plate is arranged on one side of the sealing type body and connected with the sealing type body through a fastening bolt, the pressing plate and the sealing type body enclose the clamping groove into a structure with the periphery and the upper end closed, and the rubber oil seal body is arranged in the clamping groove.
The utility model has the advantages that:
1. the utility model discloses a double-lip frameless rubber oil seal, the left side of which is additionally provided with a dust lip, which can effectively avoid dust entering;
2. the two lips of the double-lip frameless rubber oil seal are arranged on the left side of the rubber oil seal main body, so that a spring can be prevented from being soaked in lubricating oil, and the service life of the oil seal is prolonged;
3. the utility model relates to a double lips does not have skeleton rubber oil blanket is equipped with the double lips, if a lip appears damaged, this does not have skeleton oil blanket and still can continue to use.
Drawings
Fig. 1 is a schematic view of the front cross-section structure of the double-lip frameless rubber oil seal of the present invention.
In the figure: the rubber oil seal comprises a rubber oil seal body 1, an outer annular surface 2, an inner annular surface 3, an end surface 4, a sealing lip 5, a spring 6, a spring groove 7, a cavity structure 8, a rotating shaft 9, a sealing body 10, a clamping groove 11, a fastening bolt 12, a pressing plate 13 and a dust lip 14.
Detailed Description
The present invention will be further described with reference to fig. 1, but the scope of the present invention is not limited to the description.
In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The utility model provides a two lips do not have skeleton rubber oil seal, it includes rubber oil seal main part 1, rubber oil seal main part 1 is the loop configuration, rubber oil seal main part 1 is by outer anchor ring 2, interior anchor ring 3 and terminal surface 4 are constituteed, two seal lips 5 are connected to the lower extreme of interior anchor ring 3, the upper end of every seal lip 5 all is equipped with corresponding spring 6, open the upper end of interior anchor ring 3 has two spring groove 7, two spring 6 imbed respectively in the spring groove 7 that corresponds, outer anchor ring 2, interior anchor ring 3 and terminal surface 4 enclose into cavity structure 8, two spring 6 all are located cavity structure 8.
The end surface 4 blocks the two springs 6.
The end face 4 connects the outer ring face 2 and the inner ring face 3, the lower end of the outer ring face 2 is connected with the dust lip 14, and the end face 4 and the dust lip 14 are arranged oppositely.
The inner annular surface 3 is located between the end surface 4 and the dust lip 14.
The bottom surface of the dust lip 14 is flush with the bottom surfaces of the two seal lips 5.
The dust lip 14 and both the seal lips 5 are in contact with the rotary shaft 9.
The rubber oil seal main body 1 is arranged in a sealing body 10, a clamping groove 11 is formed in the lower end of the sealing body 10, a pressing plate 13 is arranged on one side of the sealing body 10, the pressing plate 13 is connected with the sealing body 10 through a fastening bolt 12, the pressing plate 13 and the sealing body 10 enclose the clamping groove 11 into a structure with the periphery and the upper end closed, and the rubber oil seal main body 1 is arranged in the clamping groove 11.
In use, the two sealing lips 5 abut against the rotating shaft 9 under the action of the two springs 6.
Although the invention has been shown and described in detail with respect to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a double lip does not have skeleton rubber oil blanket which characterized in that: the rubber oil seal comprises a rubber oil seal body (1), wherein the rubber oil seal body (1) is of an annular structure, the rubber oil seal body (1) is composed of an outer annular surface (2), an inner annular surface (3) and end surfaces (4), the lower end of the inner annular surface (3) is connected with two sealing lips (5), each sealing lip (5) is provided with a corresponding spring (6) at the upper end, two spring grooves (7) are formed in the upper end of the inner annular surface (3), the springs (6) are embedded into the corresponding spring grooves (7) respectively, the outer annular surface (2), the inner annular surface (3) and the end surfaces (4) enclose a cavity structure (8), and the springs (6) are located in the cavity structure (8).
2. The double-lip frameless rubber oil seal according to claim 1, wherein: the end surface (4) blocks the two springs (6).
3. The double-lip frameless rubber oil seal according to claim 1, wherein: the end face (4) is connected with the outer annular face (2) and the inner annular face (3), the lower end of the outer annular face (2) is connected with a dust lip (14), and the end face (4) and the dust lip (14) are oppositely arranged.
4. The double-lip frameless rubber oil seal according to claim 3, wherein: the inner ring surface (3) is located between the end surface (4) and the dust lip (14).
5. The double-lip frameless rubber oil seal according to claim 3, wherein: the bottom surface of the dust lip (14) and the bottom surfaces of the two sealing lips (5) are on the same plane.
6. The double-lip frameless rubber oil seal according to claim 3, wherein: the dust lip (14) and the two sealing lips (5) are both in contact with the rotating shaft (9).
7. The double-lip frameless rubber oil seal according to claim 1, wherein: the rubber oil seal is characterized in that the rubber oil seal main body (1) is arranged in a sealing type body (10), a clamping groove (11) is formed in the lower end of the sealing type body (10), a pressing plate (13) is arranged on one side of the sealing type body (10), the pressing plate (13) is connected with the sealing type body (10) through a fastening bolt (12), the pressing plate (13) and the sealing type body (10) surround the clamping groove (11) to form a structure with the periphery and the upper end closed, and the rubber oil seal main body (1) is arranged in the clamping groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706109.1U CN210715940U (en) | 2019-10-12 | 2019-10-12 | Double-lip frameless rubber oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706109.1U CN210715940U (en) | 2019-10-12 | 2019-10-12 | Double-lip frameless rubber oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715940U true CN210715940U (en) | 2020-06-09 |
Family
ID=70927877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921706109.1U Active CN210715940U (en) | 2019-10-12 | 2019-10-12 | Double-lip frameless rubber oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715940U (en) |
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2019
- 2019-10-12 CN CN201921706109.1U patent/CN210715940U/en active Active
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