CN219452884U - Magnetic mechanical oil seal - Google Patents
Magnetic mechanical oil seal Download PDFInfo
- Publication number
- CN219452884U CN219452884U CN202320478000.7U CN202320478000U CN219452884U CN 219452884 U CN219452884 U CN 219452884U CN 202320478000 U CN202320478000 U CN 202320478000U CN 219452884 U CN219452884 U CN 219452884U
- Authority
- CN
- China
- Prior art keywords
- ring
- static ring
- static
- ring body
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The magnetic mechanical oil seal comprises a static ring body, a movable ring, a static ring seat and a magnetic block, wherein the first sealing ring can completely seal a gap between the static ring body and the end cover and can completely prevent grease from leaking outwards from the gap between the static ring body 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 static ring body and the static ring seat, so that the possibility that grease flows outwards from the gap between the static ring body and the static ring seat is reduced; the magnetic block mainly firmly attracts the static ring body and the static ring seat so as to realize zero leakage.
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 oil seal, the utility model provides a magnetic mechanical oil seal.
The technical scheme adopted by the utility model for achieving the purpose is as follows: the magnetic mechanical oil seal comprises a static ring body 1, a rotating ring 2, a static ring 3, a static ring seat 4 and a magnetic block 5, wherein the outer side of the static ring body 1 is fixedly connected with an end cover 6, the front end of the static ring body 1 is connected with the static ring seat 4, the static ring 3 is arranged on the inner side of the lower part of the static ring seat 4, the rotating ring 2 is arranged between the static rings 3 of the static ring body 1, the rotating ring 2 is arranged on a rotating shaft 7, the rotating ring 2 is rotationally connected with the static ring 3 and the static ring seat 4, and the magnetic block 5 is arranged on the inner side of the static ring body 1; a second sealing groove 21 is arranged at the contact position between the inner side of the movable ring 2 and the rotating shaft 7, and a second sealing ring 52 is arranged in the second sealing groove 21.
The contact surface of the static ring body 1 and the static ring seat 2 is provided with a third sealing groove 41, and a third sealing ring 53 is arranged in the third sealing groove 41.
The contact surface of the stationary ring body 1 and the end cover 6 is provided with a first sealing groove 11, and a first sealing ring 51 is arranged in the first sealing groove 11.
The stationary ring body 1 is connected with the stationary ring seat 4 through a connecting thread 61.
The inner side of the stationary ring seat 4 is provided with a stationary ring positioning groove 70, and the stationary ring 3 is arranged in the stationary ring positioning groove 70.
The inner side of the stationary ring body 1 is provided with a magnetic force sealing groove 32, and the magnetic block 5 is arranged in the magnetic force sealing groove 32.
The static ring body 1 is positioned near the front end and is integrally formed with a positioning boss 9, an end cover positioning groove 12 is formed in the static ring body 1 and positioned at the rear part of the positioning boss 9, and the outer diameter of the positioning boss 9 is larger than the size of the end cover positioning groove 12 of the static ring body 1.
According to the magnetic mechanical oil seal, the first sealing ring can completely seal the gap between the static ring body and the end cover, and grease can be completely prevented from leaking outwards from the gap between the static ring body 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 static ring body and the static ring seat, so that the possibility that grease flows outwards from the gap between the static ring body and the static ring seat is reduced; the magnetic block mainly firmly attracts the static ring body and the static ring seat so as to realize zero leakage.
Drawings
FIG. 1 is an external structural view of the magnetomechanical oil seal of the present utility model.
Fig. 2 is a front view cross-sectional structural diagram of the magnetomechanical oil seal of the present utility model.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. the device comprises a static ring body, 11, a first sealing groove, 12, an end cover positioning groove, 2, a movable ring, 21, a second sealing groove, 70, a static ring positioning groove, 3, a static ring, 41, a third sealing groove, 4, a static ring seat, 32, a magnetic sealing groove, 5, a magnetic block, 51, a first sealing ring, 52, a second sealing ring, 53, a third sealing ring, 6, an end cover, 7, a rotating shaft, 9, a positioning boss, 61 and connecting threads.
Detailed Description
The magnetic mechanical oil seal disclosed by the utility model is shown in figures 1-3, and comprises a static ring body 1, a dynamic ring 2, a static ring 3 and a static ring seat 4, wherein sealing elements 51, 52 and 53 are arranged on the static ring body 1 and the dynamic ring 2, and the static ring body 1 is provided with a magnetic seal 5.
Referring to fig. 1 and 2, a stationary ring body 1 is fixedly connected with an end cover 6, the stationary ring body 1 is provided with an integrally formed positioning boss 9 close to a stationary ring seat 4, 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 body 1, the corner between the positioning boss 9 and the stationary ring body 1 is the positioning groove 12, the positioning groove 12 is used for the end cover 6 to abut against, a movable ring 2 is fixedly connected with a rotating shaft 7, the stationary ring body 1 is rotationally connected with the movable ring 2, the stationary ring seat 4 is connected with the stationary ring 3, and the stationary ring seat 4 is in threaded connection with the stationary ring body 1.
The side wall of the stationary ring 3, which is close to the stationary ring seat 4, is coaxially provided with a stationary ring positioning groove 70, the outer wall of the stationary ring positioning groove 70 is attached to the rotating shaft 7, and the moving ring 2 is close to the side wall of the stationary ring 3.
The sealing member comprises a first sealing ring 51, the first sealing ring 51 is coaxially sleeved outside the static ring body 1, a first sealing groove 11 is formed in the groove wall of the positioning groove 12, the first sealing ring 51 is positioned in the first sealing groove 11, and the outer annular wall of the first sealing 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 sealing element comprises a second sealing ring 52, the second sealing ring 52 is coaxially sleeved outside the rotating shaft 7, the inner annular wall of the movable ring 2 is provided with a second sealing groove 21, the second sealing ring 52 is positioned in the second sealing groove 21, and the outer annular wall of the second sealing ring 52 abuts against the bottom wall of the second sealing 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 inner annular wall of the static ring body 1 is provided with a third sealing groove 41, a third sealing ring 53 is sleeved in the third sealing groove 41, the inner annular wall of the static ring body is provided with a magnetic sealing groove 32, a magnetic block 5 is embedded in the magnetic sealing groove, and the magnetic block 5 can firmly suck the static ring body 1, the static ring and the static ring seat 4, so that zero leakage is realized. The third sealing ring 53 seals the gap between the static ring body 1 and the static ring seat 4, so that the possibility that grease flows out from the gap between the static ring body 1 and the static ring seat 4 is reduced, and meanwhile, the magnetic block 5 seals the static ring seat 4 magnetically and the static ring body 1 is connected with the static ring seat 4 in a threaded manner, so that zero leakage is realized.
The first sealing ring 51, the second sealing ring 52 and the third sealing ring 53 are elastic members, made of rubber and other materials, and the magnetic block is made of neodymium samarium cobalt materials.
The implementation principle of the magnetic mechanical oil seal in 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 41, then the second sealing ring 52 and the moving ring 2 are sleeved on the rotating shaft 7, the magnetic block 5 is inlaid in the magnetic sealing groove 32, then the static ring 3 is placed in the static ring stabilizing groove 70 of the static ring seat 4, and finally the whole body is connected with the static ring body 1 through threads. 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 (7)
1. The magnetic mechanical oil seal is characterized in that: the device comprises a static ring body (1), a movable ring (2), a static ring (3), a static ring seat (4) and magnetic blocks (5), wherein the outer side of the static ring body (1) is fixedly connected with an end cover (6), the front end of the static ring body (1) is connected with the static ring seat (4), the static ring (3) is arranged on the inner side of the lower part of the static ring seat (4), the movable ring (2) is arranged between the static rings (1) and the static ring (3), the movable ring (2) is arranged on a rotating shaft (7), the movable ring (2) is rotationally connected with the static ring (3) and the static ring seat (4), and the magnetic blocks (5) are arranged on the inner side of the static ring body (1); the contact part between the inner side of the moving ring (2) and the rotating shaft (7) is provided with a second sealing groove (21), and a second sealing ring (52) is arranged in the second sealing groove (21).
2. The magnetomechanical oil seal according to claim 1, wherein: the contact surface of the static ring body (1) and the static ring seat (4) is provided with a third sealing groove (41), and a third sealing ring (53) is arranged in the third sealing groove (41).
3. The magnetomechanical oil seal according to claim 1, wherein: the contact surface of the static ring body (1) and the end cover (6) is provided with a first sealing groove (11), and a first sealing ring (51) is arranged in the first sealing groove (11).
4. The magnetomechanical oil seal according to claim 1, wherein: the static ring body (1) is connected with the static ring seat (4) through a connecting thread (61).
5. The magnetomechanical oil seal according to claim 1, wherein: the inner side of the stationary ring seat (4) is provided with a stationary ring positioning groove (70), and the stationary ring (3) is arranged in the stationary ring positioning groove (70).
6. The magnetomechanical oil seal according to claim 1, wherein: the inner side of the stationary ring body (1) is provided with a magnetic force sealing groove (32), and the magnetic block (5) is arranged in the magnetic force sealing groove (32).
7. The magnetomechanical oil seal according to claim 1, wherein: the static ring body (1) is close to the front end and is an integrated into one piece location boss (9), and the last end cover constant head tank (12) that is located location boss (9) rear portion of static ring body (1), the external diameter of location boss (9) is greater than the end cover constant head tank (12) size of static ring body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478000.7U CN219452884U (en) | 2023-03-14 | 2023-03-14 | Magnetic mechanical oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478000.7U CN219452884U (en) | 2023-03-14 | 2023-03-14 | Magnetic mechanical oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219452884U true CN219452884U (en) | 2023-08-01 |
Family
ID=87409345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320478000.7U Active CN219452884U (en) | 2023-03-14 | 2023-03-14 | Magnetic mechanical oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219452884U (en) |
-
2023
- 2023-03-14 CN CN202320478000.7U patent/CN219452884U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2008133944A (en) | Contact seal for ball screw | |
| CN219452884U (en) | Magnetic mechanical oil seal | |
| CN200989445Y (en) | Magnetic fluid centring seal bearing | |
| CN209146330U (en) | A kind of magnetic seal structure of air compressor machine | |
| CN109243756B (en) | Sucker type electromagnet sealing magnetic conduction structure | |
| CN219327785U (en) | Thin mechanical oil seal | |
| CN219796102U (en) | Single static ring type mechanical oil seal | |
| CN219734217U (en) | Large-shifting mechanical oil seal | |
| CN209977426U (en) | Valve rod sealing structure of floating ball valve | |
| CN214578851U (en) | Mechanical sealing device for reaction kettle | |
| CN205047845U (en) | Quiet ring subassembly among mechanical seal | |
| CN206795870U (en) | A kind of rotary joint sealing structure | |
| CN201277327Y (en) | Sealing apparatus for speed reduction machine | |
| CN211662091U (en) | Underwater mechanical arm rotary joint capable of online leakage detection | |
| CN209141810U (en) | A kind of sealing structure of automobile axle rear cover | |
| CN204164414U (en) | The soft sealing ball valve that seal ring barb is fixing | |
| CN220891080U (en) | Detachable mechanical oil seal | |
| CN203743476U (en) | Pollution-free metal membrane seal ball valve | |
| CN220556048U (en) | Motor split type mechanical oil seal | |
| CN206290710U (en) | A kind of engine low friction crankshaft oil seal | |
| CN214304042U (en) | Sealing device of turbocharger | |
| CN210890097U (en) | Self-tightening rubber oil seal | |
| CN221003767U (en) | Screw double-acting ring type mechanical oil seal | |
| CN220816548U (en) | Dynamic ring internal mechanical oil seal | |
| CN219013307U (en) | Gear input shaft capable of preventing oil leakage of shaft seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |