CN219366805U - Semi-encapsulated oil seal - Google Patents
Semi-encapsulated oil seal Download PDFInfo
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- CN219366805U CN219366805U CN202320257076.7U CN202320257076U CN219366805U CN 219366805 U CN219366805 U CN 219366805U CN 202320257076 U CN202320257076 U CN 202320257076U CN 219366805 U CN219366805 U CN 219366805U
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- oil seal
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- inner oil
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Abstract
The utility model discloses a semi-rubber-covered oil seal, which relates to the technical field of oil seals and comprises an outer framework and an inner oil seal, wherein the outer framework is spliced with the inner oil seal, the inner oil seal comprises an adjusting groove arranged in the inner oil seal, an adjusting frame is connected in a sliding manner in the adjusting groove, one side of the adjusting frame is fixedly connected with a semi-rubber cover, a clamping groove is arranged in the inner oil seal, a clamping block is connected in the clamping groove in a sliding manner, a plurality of bayonets matched with the clamping block are arranged in the adjusting frame, a threaded rod is connected in the clamping groove in a rotating manner, a connecting groove is arranged in the clamping block, a nut is fixedly connected in the connecting groove, and the nut is in threaded connection with the threaded rod.
Description
Technical Field
The utility model relates to the technical field of oil seals, in particular to a semi-encapsulated oil seal.
Background
One of the semi-encapsulated oil seals is assembled between an inner oil seal and an outer framework, and gaps between the inner oil seal and the outer framework are blocked by the semi-encapsulated oil seal to achieve the purpose of sealing, however, in the production process of the semi-encapsulated oil seal, the semi-encapsulated oil seal is easy to be slightly thick or thin, the length of one end of the inner oil seal, which is in contact with the outer framework, is fixed, and when the semi-encapsulated oil seal is slightly thin, the tightness between the inner oil seal and the outer framework is slightly reduced, so that the use of the semi-encapsulated oil seal is affected.
The prior patent (publication number: CN 201836383U) proposes a combined oil seal, which is assembled between an inner oil seal and an outer framework, and a gap between the inner oil seal and the outer framework is blocked by utilizing a half-encapsulation, so as to achieve the purpose of sealing, however, in the production process of the half-encapsulation oil seal, the thickness of the half-encapsulation is easy to be slightly thicker or slightly thinner, but the length of one end of the inner oil seal, which is contacted with the outer framework, is fixed, and when the half-encapsulation is slightly thinner, the tightness between the inner oil seal and the outer framework is slightly reduced, so that the use of the half-encapsulation oil seal is affected.
Disclosure of Invention
The utility model provides a semi-encapsulated oil seal, which solves the technical problems that in the production process of the semi-encapsulated oil seal, the thickness of the semi-encapsulated oil seal is easy to be slightly thicker or slightly thinner, but the length of one end of an inner oil seal, which is contacted with an outer framework, is fixed, and when the semi-encapsulated oil seal is slightly thinner, the tightness between the inner oil seal and the outer framework is slightly reduced, so that the use of the semi-encapsulated oil seal is affected.
In order to solve the technical problems, the semi-rubber-coated oil seal comprises an outer framework and an inner oil seal, wherein the outer framework is spliced with the inner oil seal, the inner oil seal comprises an adjusting groove which is formed in the inner oil seal, an adjusting frame is connected in a sliding mode in the adjusting groove, one side of the adjusting frame is fixedly connected with a semi-rubber coating, a clamping groove is formed in the inner oil seal, a clamping block is connected in the clamping groove in a sliding mode, a plurality of bayonets which are matched with the clamping block are formed in the adjusting frame, a threaded rod is connected in the clamping groove in a rotating mode, a connecting groove is formed in the clamping block, a nut is fixedly connected in the connecting groove, and the nut is in threaded connection with the threaded rod.
Preferably, the outer skeleton comprises a polyurethane dustproof ring arranged in the outer skeleton, and the polyurethane dustproof ring and the inner oil seal are internally and uniformly formed with a main lip.
Preferably, the two sides of the clamping block are fixedly connected with guide blocks, and a guide opening matched with the guide blocks is formed in the inner oil seal.
Preferably, one end of the threaded rod is fixedly connected with a knob, and a force application port matched with the knob is formed in the inner oil seal.
Preferably, the guide rod is fixedly connected in the adjusting groove, and a guide hole matched with the guide rod is formed in the adjusting frame.
Preferably, a plurality of auxiliary lips are uniformly formed in the polyurethane dustproof ring and the inner oil seal, and a plurality of lubricating grease filling layers are fixedly arranged on one sides of the auxiliary lips.
Preferably, the surface of the knob is printed with anti-skid patterns.
Compared with the related art, the semi-encapsulated oil seal provided by the utility model has the following beneficial effects:
according to the utility model, the length of the adjusting frame extending to the outside of the inner oil seal can be adjusted according to the thickness of the semi-rubber coating by the relative sliding between the adjusting frame and the inner oil seal, so that the outer framework is tightly contacted with the inner oil seal, the tightness between the outer framework and the inner oil seal is improved, and the use of the semi-rubber coating oil seal is facilitated.
Drawings
FIG. 1 is a schematic diagram of a connection structure between an inner oil seal and an outer skeleton in a semi-encapsulated oil seal;
FIG. 2 is a schematic diagram of a semi-encapsulated oil seal;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged view of the structure at B in fig. 3.
Reference numerals in the drawings: 1. an outer skeleton; 2. an inner oil seal; 3. polyurethane dust ring; 4. a main lip; 5. a secondary lip; 6. a grease filling layer; 7. semi-encapsulation; 8. an adjusting frame; 9. a guide rod; 10. a knob; 11. a threaded rod; 12. a nut; 13. a guide block; 14. and (5) clamping blocks.
Detailed Description
Embodiments of the present utility model are described in detail below.
1-3, a semi-encapsulated oil seal comprises an outer framework 1 and an inner oil seal 2, wherein the outer framework 1 is spliced with the inner oil seal 2, the inner oil seal 2 comprises an adjusting groove formed in the inner oil seal, an adjusting frame 8 is slidably connected in the adjusting groove, one side of the adjusting frame 8 is fixedly connected with a semi-encapsulated rubber 7, a clamping groove is formed in the inner oil seal 2, a clamping block 14 is slidably connected in the clamping groove, a plurality of bayonets matched with the clamping block 14 are formed in the adjusting frame 8, a threaded rod 11 is rotatably connected in the clamping groove, a connecting groove is formed in the clamping block 14, a nut 12 is fixedly connected in the connecting groove, and the nut 12 is in threaded connection with the threaded rod 11; the outer skeleton 1 is including installing its inside polyurethane dust ring 3, and the uniform body shaping has main lip 4 in polyurethane dust ring 3 and the interior oil blanket 2, through the relative slip between alignment jig 8 and the interior oil blanket 2, can extend to the outside length of interior oil blanket 2 to alignment jig 8 according to the thickness of half rubber coating 7 to make outer skeleton 1 and interior oil blanket 2 in close contact, thereby improved the leakproofness between outer skeleton 1 and the interior oil blanket 2.
1-3, a semi-encapsulated oil seal comprises an outer framework 1 and an inner oil seal 2, wherein the outer framework 1 is spliced with the inner oil seal 2, the inner oil seal 2 comprises an adjusting groove formed in the inner oil seal, an adjusting frame 8 is slidably connected in the adjusting groove, one side of the adjusting frame 8 is fixedly connected with a semi-encapsulated rubber 7, a clamping groove is formed in the inner oil seal 2, a clamping block 14 is slidably connected in the clamping groove, a plurality of bayonets matched with the clamping block 14 are formed in the adjusting frame 8, a threaded rod 11 is rotatably connected in the clamping groove, a connecting groove is formed in the clamping block 14, a nut 12 is fixedly connected in the connecting groove, and the nut 12 is in threaded connection with the threaded rod 11; the outer skeleton 1 is including installing its inside polyurethane dust ring 3, and the uniform body shaping has main lip 4 in polyurethane dust ring 3 and the interior oil blanket 2, through the relative slip between alignment jig 8 and the interior oil blanket 2, can extend to the outside length of interior oil blanket 2 to alignment jig 8 according to the thickness of half rubber coating 7 to make outer skeleton 1 and interior oil blanket 2 in close contact, thereby improved the leakproofness between outer skeleton 1 and the interior oil blanket 2.
The equal fixedly connected with guide block 13 in the both sides of fixture block 14, set up the guiding mouth with guide block 13 looks adaptation in the interior oil blanket 2, through the relative slip between guide block 13 and the guiding mouth, can be to the removal direction of fixture block 14, the one end fixedly connected with knob 10 of threaded rod 11, set up the application of force mouth with knob 10 looks adaptation in the interior oil blanket 2, fixedly connected with guide bar 9 in the adjustment tank, set up the guiding hole with guide bar 9 looks adaptation in the adjustment frame 8, improved the connection stability between adjustment frame 8 and the interior oil blanket 2.
In the third embodiment, shown in fig. 1-4, a semi-encapsulated oil seal comprises an outer framework 1 and an inner oil seal 2, wherein the outer framework 1 is spliced with the inner oil seal 2, the inner oil seal 2 comprises an adjusting groove formed in the inner oil seal, an adjusting frame 8 is slidably connected in the adjusting groove, one side of the adjusting frame 8 is fixedly connected with a semi-encapsulated rubber 7, a clamping groove is formed in the inner oil seal 2, a clamping block 14 is slidably connected in the clamping groove, a plurality of bayonets matched with the clamping block 14 are formed in the adjusting frame 8, a threaded rod 11 is rotatably connected in the clamping groove, a connecting groove is formed in the clamping block 14, a nut 12 is fixedly connected in the connecting groove, and the nut 12 is in threaded connection with the threaded rod 11; the outer skeleton 1 is including installing its inside polyurethane dust ring 3, and the uniform body shaping has main lip 4 in polyurethane dust ring 3 and the interior oil blanket 2, through the relative slip between alignment jig 8 and the interior oil blanket 2, can extend to the outside length of interior oil blanket 2 to alignment jig 8 according to the thickness of half rubber coating 7 to make outer skeleton 1 and interior oil blanket 2 in close contact, thereby improved the leakproofness between outer skeleton 1 and the interior oil blanket 2.
The equal fixedly connected with guide block 13 in the both sides of fixture block 14, set up the guiding mouth with guide block 13 looks adaptation in the interior oil blanket 2, through the relative slip between guide block 13 and the guiding mouth, can be to the removal direction of fixture block 14, the one end fixedly connected with knob 10 of threaded rod 11, set up the application of force mouth with knob 10 looks adaptation in the interior oil blanket 2, fixedly connected with guide bar 9 in the adjustment tank, set up the guiding hole with guide bar 9 looks adaptation in the adjustment frame 8, improved the connection stability between adjustment frame 8 and the interior oil blanket 2.
A plurality of auxiliary lips 5 are uniformly formed in the polyurethane dustproof ring 3 and the inner oil seal 2, a plurality of lubricating grease filling layers 6 are fixedly arranged on one side of each auxiliary lip 5, lubricating grease is filled in the outer framework 1 and the inner oil seal 2 to facilitate use, anti-slip patterns are printed on the surface of the knob 10, so that the sliding friction force on the surface of the knob 10 is increased, and the force application of the knob 10 is facilitated.
Working principle:
when the thickness of the half rubber coating 7 is slightly thinner, the rotation of the threaded rod 11 can be controlled by applying force to the knob 10, the rotation of the threaded rod 11 is utilized to drive the nut 12 and the clamping block 14 to move, the clamping block 14 is moved from the adjusting frame 8 to withdraw, and then the adjusting frame 8 is pushed to adjust the length of the adjusting frame 8 extending to the outside of the inner oil seal 2 according to the thickness of the half rubber coating 7, so that the half rubber coating 7 is tightly abutted against the inner ring of the outer framework 1, and the aim of improving the tightness between the outer framework 1 and the inner oil seal 2 is fulfilled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a half rubber coating oil blanket, a serial communication port, including exoskeleton (1) and interior oil blanket (2), exoskeleton (1) are pegged graft with interior oil blanket (2), interior oil blanket (2) are including seting up at its inside adjustment tank, sliding connection has alignment jig (8) in the adjustment tank, one side fixedly connected with half rubber coating (7) of alignment jig (8), the draw-in groove has been seted up in interior oil blanket (2), sliding connection has fixture block (14) in the draw-in groove, a plurality of bayonet sockets with fixture block (14) looks adaptation have been seted up in alignment jig (8), the draw-in groove internal rotation is connected with threaded rod (11), set up the spread groove in fixture block (14), fixedly connected with nut (12) in the spread groove, nut (12) and threaded rod (11) threaded connection.
2. A semi-encapsulated oil seal according to claim 1, wherein the outer frame (1) comprises a polyurethane dust ring (3) mounted inside thereof, and the polyurethane dust ring (3) and the inner oil seal (2) are integrally formed with a main lip (4).
3. The semi-encapsulated oil seal according to claim 1, wherein guide blocks (13) are fixedly connected to two sides of the clamping block (14), and guide openings matched with the guide blocks (13) are formed in the inner oil seal (2).
4. The semi-encapsulated oil seal according to claim 1, wherein one end of the threaded rod (11) is fixedly connected with a knob (10), and a force application port matched with the knob (10) is formed in the inner oil seal (2).
5. The semi-encapsulated oil seal according to claim 1, wherein the adjusting groove is fixedly connected with a guide rod (9), and a guide hole matched with the guide rod (9) is formed in the adjusting frame (8).
6. A semi-encapsulated oil seal according to claim 2, wherein a plurality of auxiliary lips (5) are integrally formed in the polyurethane dust ring (3) and the inner oil seal (2), and a plurality of grease filling layers (6) are fixedly arranged on one sides of the auxiliary lips (5).
7. A semi-encapsulated oil seal according to claim 4, wherein the surface of the knob (10) is printed with anti-slip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257076.7U CN219366805U (en) | 2023-02-20 | 2023-02-20 | Semi-encapsulated oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257076.7U CN219366805U (en) | 2023-02-20 | 2023-02-20 | Semi-encapsulated oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366805U true CN219366805U (en) | 2023-07-18 |
Family
ID=87149397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320257076.7U Active CN219366805U (en) | 2023-02-20 | 2023-02-20 | Semi-encapsulated oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366805U (en) |
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2023
- 2023-02-20 CN CN202320257076.7U patent/CN219366805U/en active Active
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