CN219327785U - Thin mechanical oil seal - Google Patents
Thin mechanical oil seal Download PDFInfo
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- CN219327785U CN219327785U CN202320477972.4U CN202320477972U CN219327785U CN 219327785 U CN219327785 U CN 219327785U CN 202320477972 U CN202320477972 U CN 202320477972U CN 219327785 U CN219327785 U CN 219327785U
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- ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The thin mechanical oil seal comprises a static ring, a dynamic ring and a sealing component. According to the thin mechanical oil seal, the first sealing ring can completely seal the gap between the static ring and the end cover, and grease can be completely prevented from leaking outwards from the gap between the static ring and the end cover; the second sealing ring can completely seal the gap between the movable ring and the rotating shaft, and can completely prevent grease from leaking outwards from the gap between the movable ring and the rotating shaft; the third sealing ring seals the gap between the first connecting ring and the second connecting ring, so that the possibility that grease flows outwards from the gap between the first connecting ring and the second connecting ring is reduced.
Description
Technical Field
The utility model relates to the technical field of mechanical oil seals.
Background
Oil seals are mechanical elements used to seal grease (oil is the most common liquid substance in transmission systems, also referred to generally as liquid substance meaning) and isolate the components of the transmission components that require lubrication from the output components, and prevent oil leakage.
Traditional oil blanket structure mostly can not play comparatively qualified sealed effect, and traditional oil blanket can produce wearing and tearing to the pivot simultaneously, influences sealed effect.
Disclosure of Invention
In order to solve the problems of poor tightness and the like of the traditional mechanical oil seal, the utility model provides a thin mechanical oil seal.
The technical scheme adopted by the utility model for achieving the purpose is as follows: the thin mechanical oil seal comprises a stationary ring 1, a movable ring 2 and a sealing assembly, wherein the stationary ring 1 is fixedly connected with an end cover 6, the movable ring 2 is arranged on a rotating shaft 7, the front end of the stationary ring 1 is a first connecting ring 3, the rear end of the movable ring 2 is a second connecting ring 4, the end part of the second connecting ring 4 is abutted against the inner end surface of the stationary ring 1, the front end of the movable ring 2 is a third connecting ring 8, and the third connecting ring 8 is clamped with the front end of the stationary ring 1; a second sealing groove 21 is arranged at the contact position between the outer side of the movable ring 2 and the rotating shaft 7, and a second sealing ring 52 is arranged in the second sealing groove; the first connecting ring 3 and the second connecting ring 4 are provided with a third sealing groove 31 and a fourth sealing groove 41 vertically corresponding to each other, and a third sealing ring 53 is installed in the third sealing groove 31.
The outside of the stationary ring 1 is provided with a first sealing groove 11 corresponding to the end cover 6, and a first sealing ring 51 is arranged in the first sealing groove 11.
The front end of the stationary ring 1 is provided with a positioning boss 9, and a positioning groove 12 is formed in the stationary ring 1 and located at the rear side of the positioning boss 9.
The inner side of the front end of the stationary ring body 1 is provided with a stabilizing groove 22, and the third connecting ring 8 is arranged in the stabilizing groove 22.
The first sealing ring 51, the second sealing ring 52 and the third sealing ring 53 are all rubber elastic members.
According to the thin mechanical oil seal, the first sealing ring can completely seal the gap between the static ring and the end cover, and grease can be completely prevented from leaking outwards from the gap between the static ring and the end cover; the second sealing ring can completely seal the gap between the movable ring and the rotating shaft, and can completely prevent grease from leaking outwards from the gap between the movable ring and the rotating shaft; the third sealing ring seals the gap between the first connecting ring and the second connecting ring, so that the possibility that grease flows out from the gap between the first connecting ring and the second connecting ring is reduced; the third connecting ring and the stabilizing groove are further used for limiting the connection between the stationary ring and the movable ring, so that the contact area between the stationary ring and the movable ring is increased, and the movable ring is more stable in the rotating process.
Drawings
FIG. 1 is an external structural view of a thin mechanical oil seal of the present utility model;
FIG. 2 is a front view cross-section structure of the thin mechanical oil seal of the present utility model;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. static ring, 11, first seal groove, 12, constant head tank, 2, moving ring, 21, second seal groove, 22, steady groove, 3, first go-between, 31, third seal groove, 4, second go-between, 41, fourth seal groove, 51, first sealing ring, 52, second sealing ring, 53, third sealing ring, 6, end cover, 7, pivot, 8, third go-between, 9, location boss.
Detailed Description
The thin mechanical oil seal disclosed by the utility model is shown in figures 1-3, and comprises a stationary ring 1 and a movable ring 2, wherein sealing assemblies are arranged on the stationary ring 1 and the movable ring 2.
The stationary ring 1 is fixedly connected with the end cover 6, a positioning boss 9 is integrally formed on the end wall, close to the moving ring 2, of the stationary ring 1, the outer diameter of the positioning boss 9 is larger than the installation size (the size of a positioning groove 12) of the stationary ring 1, the corner between the positioning boss 9 and the stationary ring 1 is the positioning groove 12, the end cover 6 is abutted by the positioning groove 12, the moving ring 2 is fixedly connected with the rotating shaft 7, and the stationary ring 1 is rotationally connected with the moving ring 2.
The side wall of the stationary ring 1, which is close to the moving ring 2, is coaxially provided with a first connecting ring 3, the inner ring wall of the first connecting ring 3 is attached to the rotating shaft 7, the side wall of the moving ring 2, which is close to the stationary ring 1, is coaxially provided with a second connecting ring 4, the inner ring wall of the second connecting ring 4 is attached to the outer ring wall of the first connecting ring 3, the end part of the first connecting ring 3 is abutted to the end wall of the moving ring 2, and the end wall of the second connecting ring 4 is abutted to the end wall of the stationary ring 1.
The seal assembly 5 comprises a first seal ring 51, the first seal ring 51 is coaxially sleeved outside the stationary ring 1, a first seal groove 11 is formed in the groove wall of the positioning groove 12, the first seal ring 51 is located in the first seal ring 51, and the outer annular wall of the first seal ring 51 abuts against the inner annular wall of the end cover 6. The first seal ring 51 can completely seal the gap between the stationary ring 1 and the end cover 6, and completely prevent grease from leaking out of the gap between the stationary ring 1 and the end cover 6.
The seal assembly 5 comprises a second seal ring 52, the second seal ring 52 is coaxially sleeved outside the rotating shaft 7, a second seal groove 21 is formed in the inner annular wall of the movable ring 2, the second seal ring 52 is positioned in the second seal groove 21, and the outer annular wall of the second seal ring 52 abuts against the bottom wall of the second seal groove 21. The second seal ring 52 can completely seal the gap between the moving ring 2 and the rotating shaft 7, and completely prevent grease from leaking out from the gap between the moving ring 2 and the rotating shaft 7.
The outer annular wall of the first connecting ring 3 is provided with a third sealing groove 31, the inner annular wall of the second connecting ring 4 is provided with a fourth sealing groove 41, the third sealing groove 31 is communicated with the fourth sealing groove 41, and a third sealing ring 53 is coaxially sleeved in the third sealing groove 31. The third seal ring 53 seals the gap between the first connection ring 3 and the second connection ring 4, reducing the possibility of grease flowing out from the gap between the first connection ring 3 and the second connection ring 4.
The front end of the movable ring 2 is a third connecting ring 8, the inner side of the front end of the stationary ring 1 is provided with a stabilizing groove 22, and the end part of the third connecting ring 8 is inserted into the stabilizing groove 22 and is attached to the groove wall of the stabilizing groove 22. The third connecting ring 8 and the stabilizing groove 22 are further arranged to limit the connection between the stationary ring 1 and the moving ring 2, so that the contact area between the stationary ring 1 and the moving ring 2 is increased, and the moving ring 2 is more stable in the rotating process.
The first seal ring 51, the second seal ring 52, and the third seal ring 53 are elastic members, and are made of rubber or the like.
The implementation principle of the thin mechanical oil seal of the embodiment of the application is as follows: when the oil seal is assembled, the first sealing ring 51 is sleeved in the first sealing groove 11, the third sealing ring 53 is sleeved in the third sealing groove 31, then the second sealing ring 52 and the moving ring 2 are sleeved on the rotating shaft 7, the second connecting ring 4 is sleeved outside the first connecting ring 3, and an external force is applied to the moving ring 2, so that the third sealing ring 53 is deformed and clamped in the fourth sealing groove 41. Finally, the oil seal is integrally pressed in the end cover 6, so that the positioning groove 12 is abutted against the end cover 6.
Claims (5)
1. Thin style mechanical oil blanket, its characterized in that: the device comprises a stationary ring (1), a movable ring (2) and a sealing assembly, wherein the stationary ring (1) is fixedly connected with an end cover (6), the movable ring (2) is installed on a rotating shaft (7), the front end of the stationary ring (1) is a first connecting ring (3), the rear end of the movable ring (2) is a second connecting ring (4), the end part of the second connecting ring (4) is abutted against the inner end surface of the stationary ring (1), the front end of the movable ring (2) is a third connecting ring (8), and the third connecting ring (8) is clamped with the front end of the stationary ring (1); a second sealing groove (21) is arranged at the contact position of the outer side of the movable ring (2) and the rotating shaft (7), and a second sealing ring (52) is arranged in the second sealing groove; a third sealing groove (31) and a fourth sealing groove (41) are correspondingly arranged on the inner sides of the first connecting ring (3) and the second connecting ring (4) from top to bottom, and a third sealing ring (53) is arranged in the third sealing groove (31).
2. The thin gauge mechanical oil seal of claim 1, wherein: a first sealing groove (11) is formed in the position, corresponding to the end cover (6), of the outer side of the static ring (1), and a first sealing ring (51) is installed in the first sealing groove (11).
3. The thin gauge mechanical oil seal of claim 1, wherein: the front end of the stationary ring (1) is provided with a positioning boss (9), and a positioning groove (12) is arranged on the stationary ring (1) and positioned at the rear side of the positioning boss (9).
4. The thin gauge mechanical oil seal of claim 1, wherein: the inner side of the front end of the stationary ring (1) is provided with a stabilizing groove (22), and the third connecting ring (8) is arranged in the stabilizing groove (22).
5. The thin gauge mechanical oil seal of claim 2, wherein: the first sealing ring (51), the second sealing ring (52) and the third sealing ring (53) are all rubber elastic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477972.4U CN219327785U (en) | 2023-03-14 | 2023-03-14 | Thin mechanical oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477972.4U CN219327785U (en) | 2023-03-14 | 2023-03-14 | Thin mechanical oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219327785U true CN219327785U (en) | 2023-07-11 |
Family
ID=87064542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320477972.4U Active CN219327785U (en) | 2023-03-14 | 2023-03-14 | Thin mechanical oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219327785U (en) |
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2023
- 2023-03-14 CN CN202320477972.4U patent/CN219327785U/en active Active
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