CN219345497U - Mechanical seal moving ring assembly - Google Patents
Mechanical seal moving ring assembly Download PDFInfo
- Publication number
- CN219345497U CN219345497U CN202223487672.9U CN202223487672U CN219345497U CN 219345497 U CN219345497 U CN 219345497U CN 202223487672 U CN202223487672 U CN 202223487672U CN 219345497 U CN219345497 U CN 219345497U
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- CN
- China
- Prior art keywords
- seat
- movable ring
- spring seat
- ring
- spring
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
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- Mechanical Sealing (AREA)
Abstract
The mechanical seal moving ring assembly is composed of a shaft sleeve, a spring seat, a moving ring, a connecting pin, a compensation spring and a moving ring sliding sealing ring, and locking screws.
Description
Technical Field
The present utility model relates to mechanical sealing devices, and more particularly to a moving ring assembly for a mechanical sealing device.
Background
The traditional typical movable ring assembly (shown in fig. 4) for compensating the mechanical seal consists of a shaft sleeve, a spring seat, a movable ring, a transmission pin a, a compensating spring, a sliding sealing ring and a locking screw. The spring holder is installed on the axle sleeve and fastened by locking screw, compensation spring holder shrinkage pool and drive pinhole have been seted up respectively to circumference evenly distributed on the spring holder, the movable ring seat sliding fit is installed on the axle sleeve (of spring holder front end), movable ring tang cooperation fixed mounting is on the movable ring seat front end, set up the movable ring sealing washer that slides between movable ring and axle sleeve outer disc, the compensation spring ejector action movable ring seat in the compensation spring holder shrinkage pool of installing on the spring holder drives movable ring seat axial displacement compensation, the pinhole fixed fit connection transmission moment of torsion that corresponds to seting up on the front end of drive pin and the movable ring seat that the sliding fit was installed on the spring holder drive pinhole.
The structural performance and the working stability of the torque transmission mechanism of the mechanical seal moving ring assembly directly influence the safe and reliable operation and the service life of the mechanical seal.
The prior art moving ring compensates the moving ring assembly of the mechanical seal, and the driving pin not only transmits the torque of the spring seat to the moving ring seat, but also integrates the moving ring seat and the spring seat.
The prior art is applied to the working conditions that the viscosity of the conveyed medium is large or the friction end face of the dynamic and static rings is poor in lubrication, the transmission torque born by the transmission pin is large, and the abrasion of the matching part of the transmission pin and the transmission pin hole on the spring seat is large. Particularly, when the operation condition is unstable and the starting is frequent, the transmission pin is subjected to frequent impact force, so that the abrasion of the transmission pin is further increased; when the medium has corrosion action, the matching part of the transmission pin and the transmission pin hole on the spring seat is continuously corroded, the corrosion layer is worn, the corrosion is carried out again, and the wearing of the transmission pin is further accelerated in the vicious circle of re-wearing, so that the transmission pin is broken when being acted by starting impact force, and the service life of the movable ring combination and the whole mechanical seal is influenced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a mechanical seal movable ring assembly which has good structure, can stably and reliably transmit large torque, is safe and reliable to operate and has long service life.
The utility model discloses a mechanical seal moving ring assembly, which consists of a shaft sleeve, a spring seat, a moving ring, a connecting pin, a compensation spring, a moving ring sliding sealing ring and a locking screw.
The spring seat is arranged on the shaft sleeve and is fastened by locking screws, a plurality of compensating spring seat concave holes and connecting pin holes are uniformly distributed on the circumference of the spring seat respectively, the movable ring seat is arranged on the shaft sleeve in a sliding fit manner, the movable ring and the inner spigot of the movable ring seat are fixedly arranged on the front end part of the movable ring seat in a matching manner, a movable ring sliding sealing ring is arranged between the movable ring and the outer circular surface of the shaft sleeve, a compensating spring arranged in the compensating spring seat concave holes on the spring seat pushes the movable ring seat to drive the movable ring seat to axially move for compensation, the front end of a connecting pin which is arranged on the connecting pin holes of the spring seat in a sliding fit manner is fixedly connected with the corresponding pin holes on the movable ring seat in a matching manner, and the connecting pin integrates the movable ring seat and the spring seat together; a plurality of boss transmission forks are circumferentially distributed at the outer edge part of the front end of the spring seat, a plurality of groove transmission clamping grooves are formed in the outer circular surface of the movable ring seat, and the boss transmission forks formed at the front end of the spring seat correspond to the groove transmission clamping grooves formed in the outer circular surface of the movable ring seat in a sliding fit manner to transmit torque.
The mechanical seal moving ring assembly is simple in structure and good in structural performance, the spring seat is matched with the outer circle of the moving ring seat through the plurality of boss transmission forks arranged on the periphery of the outer edge part of the front end of the spring seat in a matched mode to form spline connection to transmit torque, the transmission torque moment is increased, the torque stress of the plurality of boss transmission forks arranged on the periphery of the outer edge part of the front end of the spring seat is relatively reduced, the torque bearing capacity of the boss transmission forks can be improved by fully widening the widths of the boss transmission forks, the mechanical seal moving ring assembly is not easy to damage, torque transmission is stable and reliable, and the service life of the mechanical seal moving ring assembly is long.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of the embodiment of the spring seat 2 of fig. 1.
Fig. 3 is a schematic structural view of the embodiment of the movable ring mount 3 shown in fig. 1.
Fig. 4 is a prior art block diagram.
Detailed Description
The utility model discloses a mechanical seal moving ring assembly, which consists of a shaft sleeve 1, a spring seat 2, a moving ring seat 3, a moving ring 4, a connecting pin 5, a compensation spring 6, a moving ring sliding sealing ring 7 and a locking screw 8.
The spring seat 2 is arranged on the shaft sleeve 1 and is fastened by locking screws 8, a plurality of compensating spring seat concave holes 21 and connecting pin holes 23 are respectively formed in the circumference of the spring seat 2 in an even distribution manner, the movable ring seat 3 is arranged on the shaft sleeve 1 in a sliding fit manner, the movable ring 4 is fixedly arranged on the front end part of the movable ring seat 2 in a matching manner with the inner spigot of the movable ring seat 3, a movable ring sliding seal ring 7 is arranged between the movable ring 4 and the outer circular surface of the shaft sleeve 1, a compensating spring 6 arranged in the compensating spring seat concave holes 21 on the spring seat 2 pushes against the movable ring seat 3 to drive the movable ring 4 to perform axial movement compensation, the front end of a connecting pin 5 which is arranged on the connecting pin holes 23 of the spring seat 2 in a sliding fit manner is fixedly connected with a pin hole 30 which is correspondingly formed in the movable ring seat 3 in a fastening manner, and the connecting pin 5 integrates the movable ring seat 3 with the spring seat 2; a plurality of boss transmission forks 25 are circumferentially distributed at the outer edge part of the front end of the spring seat 2, a plurality of groove transmission clamping grooves 35 are formed in the outer circular surface of the movable ring seat 3, and the boss transmission forks 25 formed at the front end of the spring seat 2 and the groove transmission clamping grooves 35 formed in the outer circular surface of the movable ring seat 3 are correspondingly matched in a sliding manner to transmit torque.
The utility model can be used as an equivalent technical means, a ring sleeve is circularly arranged at the outer edge part of the front end of the spring seat 2, a plurality of boss transmission forks 25 are circumferentially distributed on the inner circular surface of the ring sleeve, and a plurality of groove transmission clamping grooves 35 are correspondingly matched with and are arranged on the outer circular surface of the movable ring seat 3 to transmit torque.
Claims (2)
1. The mechanical seal moving ring assembly is characterized by comprising a shaft sleeve, a spring seat, a moving ring, a connecting pin, a compensation spring, a moving ring sliding sealing ring and a locking screw;
the spring seat is arranged on the shaft sleeve and is fastened by locking screws, a plurality of compensating spring seat concave holes and connecting pin holes are uniformly distributed on the circumference of the spring seat respectively, the movable ring seat is arranged on the shaft sleeve in a sliding fit manner, the movable ring and the inner spigot of the movable ring seat are fixedly arranged on the front end part of the movable ring seat in a matching manner, a movable ring sliding sealing ring is arranged between the movable ring and the outer circular surface of the shaft sleeve, a compensating spring arranged in the compensating spring seat concave holes on the spring seat pushes the movable ring seat to drive the movable ring seat to axially move for compensation, the front end of a connecting pin which is arranged on the connecting pin holes of the spring seat in a sliding fit manner is fixedly connected with the corresponding pin holes on the movable ring seat in a matching manner, and the connecting pin integrates the movable ring seat and the spring seat together; a plurality of boss transmission forks are circumferentially distributed at the outer edge part of the front end of the spring seat, a plurality of groove transmission clamping grooves are formed in the outer circular surface of the movable ring seat, and the boss transmission forks formed at the front end of the spring seat correspond to the groove transmission clamping grooves formed in the outer circular surface of the movable ring seat in a sliding fit manner to transmit torque.
2. The mechanical seal moving ring assembly as claimed in claim 1, wherein a ring sleeve is provided on the outer edge of the front end of the spring seat, and a plurality of boss driving forks are provided on the inner circumference of the ring sleeve in a corresponding sliding fit with a plurality of groove driving clamping grooves provided on the outer circumference of the moving ring seat to transmit torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487672.9U CN219345497U (en) | 2022-12-27 | 2022-12-27 | Mechanical seal moving ring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223487672.9U CN219345497U (en) | 2022-12-27 | 2022-12-27 | Mechanical seal moving ring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345497U true CN219345497U (en) | 2023-07-14 |
Family
ID=87113834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223487672.9U Active CN219345497U (en) | 2022-12-27 | 2022-12-27 | Mechanical seal moving ring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345497U (en) |
-
2022
- 2022-12-27 CN CN202223487672.9U patent/CN219345497U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |