CN215634975U - High-pressure oil seal convenient to install - Google Patents
High-pressure oil seal convenient to install Download PDFInfo
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- CN215634975U CN215634975U CN202121672941.1U CN202121672941U CN215634975U CN 215634975 U CN215634975 U CN 215634975U CN 202121672941 U CN202121672941 U CN 202121672941U CN 215634975 U CN215634975 U CN 215634975U
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Abstract
The utility model discloses a high-pressure oil seal convenient to install, which comprises an outer oil seal, an inner oil seal and a bottom oil seal, wherein the inner oil seal and the bottom oil seal are arranged in the outer oil seal, the inner oil seal is positioned between the outer oil seal and the bottom oil seal, the bottom oil seal is arranged at the lower part of the inner oil seal, and the bottom oil seal is mutually connected with the outer oil seal.
Description
Technical Field
The utility model relates to the field of oil seals, in particular to a high-pressure oil seal convenient to install.
Background
In the prior art, part of oil seals are single oil seals, the rigidity and the strength are not enough, normal work under a high-pressure environment cannot be realized, and the oil seals in the combined oil seal are connected by adopting fixing pieces such as bolts and the like, so that the assembly is inconvenient to disassemble, clean and maintain.
Publication No.: CN211649061U, published japanese 2020-10-09, proposes a box type oil seal suitable for high rotation speed, comprising: interior oil blanket body, outer oil blanket body set up in the outside of interior oil blanket body, interior oil blanket body includes inner frame and interior seal, outer oil blanket body includes outer frame and outer seal, the interior seal be equipped with first seal lip, second seal lip, be equipped with third seal lip, fourth seal lip, fifth seal lip, sixth seal lip, main seal lip on the outer seal, the dustproof confined space of its formation, grease proofing confined space cooperate and have formed good dustproof, grease proofing structure.
In the patent, the box-type oil seal adopts a plurality of oil seals to combine to enhance the sealing performance of the whole oil seal, but the nesting connection of the lips in the oil seal is too much, and the operation is complicated in the disassembly process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and designs a high-pressure oil seal convenient to install.
The technical scheme of the utility model is that the high-pressure oil seal convenient to install comprises an outer oil seal, an inner oil seal and a bottom oil seal, and is characterized in that the inner oil seal and the bottom oil seal are arranged in the outer oil seal, the inner oil seal is positioned between the outer oil seal and the bottom oil seal, the bottom oil seal is arranged at the lower part of the inner oil seal, and the bottom oil seal is mutually connected with the outer oil seal.
As the further description of oil blanket, its characterized in that, outer oil blanket is "funnel" shape, the outer oil blanket outside adopts the chamfer structure, outer oil blanket inside is provided with second skeleton, first lip, second lip and third lip, and the leakproofness of many lips connection increase oil blanket during operation.
As the further description of oil blanket, its characterized in that, the second skeleton shape divide into two parts, "L" shape part nestification in inside the outer oil blanket, "J" shape part is located outside the outer oil blanket, each department of buckling of second skeleton all adopts fillet structure, and fillet structure prevents that skeleton and outer oil blanket from rubbing each other and causing the damage.
As the further description of the oil seal, characterized in that the first lip, the second lip and the third lip jointly form a "gear" shaped structure, the third lip is "sickle" shaped, the gear shaped structure is similar to meshing connection when connected, and the connection is tighter.
As a further description of the oil seal, the oil seal is characterized in that a third framework, a fourth lip, a fifth lip and a sixth lip are arranged in the inner oil seal, two triangular grooves and a trapezoidal groove are arranged on the outer side of the third framework, and the triangular grooves and the trapezoidal groove are used for mutual nesting of the oil seals.
The oil seal is further described, and the third framework is connected with the outer oil seal in a nested manner through the two triangular grooves and the trapezoidal groove, and the nested connection is convenient to disassemble.
As the further description of the oil seal, its characterized in that, bottom oil seal inside is equipped with first skeleton, two dovetail grooves have been seted up to first skeleton inside, a triangular groove has been seted up to first skeleton outside.
As a further description of the oil seal, characterized in that the first frame is tightly connected with the inner oil seal through two trapezoidal grooves and triangular grooves.
As a further description of the oil seal, the oil seal is characterized in that the outer part of the first framework is nested with the J-shaped part of the second framework, and the bottom oil seal can bear larger pressure.
The oil seal has the advantages that the oil seal is a box-shaped combined oil seal, the sealing performance of the oil seal during working is greatly increased, a plurality of rigid frameworks are arranged inside the oil seals, the whole pressure resistance of the oil seal is increased, the bottom oil seal is nested in the outer oil seal, the bearing capacity of the bottom of the oil seal is increased, the oil seal can normally work under a high-pressure environment, the oil seals are connected in a nested mode, the number of lips is reduced, and the oil seal is convenient to disassemble.
Drawings
FIG. 1 is a perspective exploded view of the outer oil seal of the present invention;
FIG. 2 is a perspective view of the outer oil seal of the present invention;
FIG. 3 is a schematic view of the bottom oil seal of the present invention;
fig. 4 is a cross-sectional view of a second armature of the present invention.
In the figure, 1, outer oil seal; 2. an inner oil seal; 3. bottom oil seal; 4. a first skeleton; 5. a second skeleton; 6. a third skeleton; 7. a first lip; 8. a second lip; 9. a third lip; 10. a fourth lip; 11. a fifth lip; 12. a sixth lip; 13. a trapezoidal groove; 14. a triangular groove.
Detailed Description
Firstly, the original design purpose of the utility model is explained, in the prior art, part of oil seals are single oil seals, the rigidity and the strength are not enough, and the oil seals cannot normally work under the high-pressure environment, and the oil seals in the combined oil seal are connected by adopting fixing pieces such as bolts and the like, so that the oil seals are inconvenient to disassemble, clean and maintain.
The utility model is described in detail below with reference to the accompanying drawings, and as shown in fig. 2, the high-pressure oil seal convenient to install comprises an outer oil seal 1, an inner oil seal 2 and a bottom oil seal 3, wherein the inner oil seal 2 and the bottom oil seal 3 are arranged in the outer oil seal 1, the inner oil seal 2 is positioned between the outer oil seal 1 and the bottom oil seal 3, the bottom oil seal 3 is arranged at the lower part of the inner oil seal 2, the bottom oil seal 3 is connected with the outer oil seal 1, the oil seals adopt box-shaped combined oil seals, the sealing performance of the oil seals in working is greatly increased, a plurality of rigid frameworks are arranged in the plurality of oil seals, the integral pressure resistance of the oil seals is increased, the bottom oil seals 3 are nested in the outer oil seals 1, the bearing capacity of the bottoms of the oil seals is increased, the oil seals can normally work under a high-pressure environment, the oil seals are nested connection, the number of lips is reduced, and the oil seals are convenient to disassemble.
The above detailed description explains the specific structure of the present invention, and the following description explains the working principle of the present invention:
a plurality of oil seals are nested and combined to form a box-shaped combined oil seal, firstly, the oil seals are matched with each other, the sealing performance of the oil seal is increased, oil leakage during the working of the oil seal is prevented, secondly, a rigid framework is contained in each oil seal, the strength of the oil seal is greatly increased, the rigid framework can guarantee that the oil seal normally works under a high-pressure environment, a nested connection mode is adopted between the oil seals, and the oil seal is convenient to disassemble, clean, maintain and repair.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a high pressure oil blanket convenient to installation, includes outer oil blanket (1), interior oil blanket (2) and bottom oil blanket (3), its characterized in that, be equipped with in outer oil blanket (1) interior oil blanket (2) with bottom oil blanket (3), interior oil blanket (2) are located outer oil blanket (1) with between bottom oil blanket (3), interior oil blanket (2) lower part is provided with bottom oil blanket (3), bottom oil blanket (3) with outer oil blanket (1) interconnect.
2. The high-pressure oil seal convenient to mount as claimed in claim 1, wherein the outer oil seal (1) is in a funnel shape, the outer side of the outer oil seal (1) adopts a chamfer angle structure, and a second framework (5), a first lip (7), a second lip (8) and a third lip (9) are arranged inside the outer oil seal (1).
3. The high-pressure oil seal convenient to mount as claimed in claim 2, wherein the second framework (5) is divided into two parts, the "L" shaped part is nested inside the outer oil seal (1), the "J" shaped part is located outside the outer oil seal (1), and each bent part of the second framework (5) adopts a round angle structure.
4. The high-pressure oil seal convenient to install according to claim 2, wherein the first lip (7), the second lip (8) and the third lip (9) jointly form a gear-shaped structure, and the third lip (9) is in a sickle shape.
5. The high-pressure oil seal convenient to install according to claim 1, wherein a third framework (6), a fourth lip (10), a fifth lip (11) and a sixth lip (12) are arranged in the inner oil seal (2), and two triangular grooves (14) and one trapezoidal groove (13) are arranged on the outer side of the third framework (6).
6. A high-pressure oil seal convenient to install according to claim 5, wherein the third framework (6) is connected with the outer oil seal (1) in a nested mode through two triangular grooves (14) and the trapezoidal groove (13).
7. The high-pressure oil seal convenient to mount as claimed in claim 2, wherein a first framework (4) is arranged inside the bottom oil seal (3), two trapezoidal grooves (13) are formed inside the first framework (4), and a triangular groove (14) is formed outside the first framework (4).
8. The high-pressure oil seal convenient to install according to claim 7, wherein the first framework (4) is tightly connected with the inner oil seal (2) through the two trapezoidal grooves (13) and the triangular groove (14).
9. An easily installed high pressure oil seal as claimed in claim 7, wherein the outer part of the first frame (4) is nested with the J-shaped part of the second frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672941.1U CN215634975U (en) | 2021-07-22 | 2021-07-22 | High-pressure oil seal convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672941.1U CN215634975U (en) | 2021-07-22 | 2021-07-22 | High-pressure oil seal convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634975U true CN215634975U (en) | 2022-01-25 |
Family
ID=79891468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121672941.1U Active CN215634975U (en) | 2021-07-22 | 2021-07-22 | High-pressure oil seal convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634975U (en) |
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2021
- 2021-07-22 CN CN202121672941.1U patent/CN215634975U/en active Active
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