CN213016932U - Integrated mechanical seal - Google Patents
Integrated mechanical seal Download PDFInfo
- Publication number
- CN213016932U CN213016932U CN202021775370.XU CN202021775370U CN213016932U CN 213016932 U CN213016932 U CN 213016932U CN 202021775370 U CN202021775370 U CN 202021775370U CN 213016932 U CN213016932 U CN 213016932U
- Authority
- CN
- China
- Prior art keywords
- installation cavity
- ring
- rotating ring
- mechanical seal
- sealed dish
- 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
- 238000009434 installation Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model provides a collection dress formula mechanical seal belongs to mechanical seal technical field, include: sealed dish, axle sleeve, first rotating ring, second rotating ring, first stationary ring and the quiet ring of second, sealed dish cover is established on the axle sleeve, the one end of axle sleeve is provided with first installation cavity and the other end is provided with and is used for connecting at the epaxial first holding screw of transmission, the both ends of sealed dish are provided with second installation cavity and third installation cavity respectively, and be provided with the inner chamber in the sealed dish, the third installation cavity with the inner chamber intercommunication, first rotating ring sets up in the first installation cavity, first stationary ring sets up in the second installation cavity and with first rotating ring is connected, the second rotating ring sets up the inner chamber, the quiet ring of second sets up in the third installation cavity and with the second rotating ring is connected. The utility model has the advantages that: the integrated mechanical sealing structure is relatively compact and has relatively good sealing effect.
Description
Technical Field
The utility model belongs to the technical field of mechanical seal, a collection dress formula mechanical seal is related to.
Background
The conventional mechanical seal generally comprises a large number of components which are in a loose-packed mode, in other words, the components contained in the mechanical seal are separated from each other before being used, and after being purchased by a user, the separated components are generally required to be installed between the pump shaft and the pump casing one by one on site, namely, the mechanical seal is assembled, but the mechanical seal assembled on site often causes installation troubles due to the large number of the components, and in severe cases, installation errors occur, so that fluid medium leaks, and the mechanical seal loses the sealing function.
In order to solve the above technical problems, some manufacturers have designed a cartridge mechanical seal, which is an assembly of all the parts in the original mechanical seal, and can be assembled and disassembled as needed.
The existing integrated mechanical sealing structure is loose, not compact enough and poor in sealing effect, so that the integrated mechanical sealing structure has certain improvement space.
Disclosure of Invention
The utility model aims at the above-mentioned problem that prior art exists, a collection dress formula mechanical seal has been proposed.
The purpose of the utility model can be realized by the following technical proposal: a cartridge-type mechanical seal comprising: sealed dish, axle sleeve, first rotating ring, second rotating ring, first stationary ring and the quiet ring of second, sealed dish cover is established on the axle sleeve, the one end of axle sleeve is provided with first installation cavity and the other end is provided with and is used for connecting at the epaxial first holding screw of transmission, the both ends of sealed dish are provided with second installation cavity and third installation cavity respectively, and be provided with the inner chamber in the sealed dish, the third installation cavity with the inner chamber intercommunication, first rotating ring sets up in the first installation cavity, first stationary ring sets up in the second installation cavity and with first rotating ring is connected, the second rotating ring sets up the inner chamber, the quiet ring of second sets up in the third installation cavity and with the second rotating ring is connected.
Preferably, be provided with inlet opening and apopore on the sealed dish, the inlet opening with the apopore all with the inner chamber intercommunication.
The preferred, first installation cavity with the second installation cavity is annular ladder groove structure, first installation cavity orientation sealed dish, the second installation cavity is seted up seal dish outer end face go up and the orientation the second installation cavity.
Preferably, a driving pin is arranged on the shaft sleeve and connected with the first movable ring, a first stop pin is arranged on the end face of the sealing disc, a second stop pin is arranged in the third mounting cavity and connected with the first stationary ring, and the second stop pin is connected with the second stationary ring.
Preferably, a transmission seat is arranged in the inner cavity, a second set screw and a transmission groove are arranged on the transmission seat, the second set screw is connected with the shaft sleeve, and the second movable ring is embedded in the transmission groove.
Preferably, be provided with first spring on the terminal surface of sealed dish, be provided with the second spring on the transmission seat, first spring with first quiet ring is contradicted and is connected, the second spring with the second moves the ring and contradicts and is connected.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the integrated mechanical sealing structure is relatively compact and has relatively good sealing effect.
2. The cooling water can enter into the inner chamber from the inlet opening to enter into the third installation cavity along the inner chamber, and can also enter into between first rotating ring and the first quiet ring, flow out in the apopore at last, and based on seal structure among this embodiment, can effectually avoid the cooling water to leak.
3. This kind drives first rotating ring through the driving pin for the structure that first rotating ring and axle sleeve and transmission shaft link together can make mechanical seal normally work under the condition of big moment of torsion, and can make first quiet ring and second quiet ring keep still through first stop pin and second stop pin.
Drawings
Fig. 1 is a schematic structural view of the cartridge mechanical seal of the present invention.
In the figure, 100, sealing disk; 110. a second mounting cavity; 120. a third mounting cavity; 130. an inner cavity; 140. a water inlet hole; 150. a water outlet hole; 160. a first stopper pin; 170. a second stopper pin; 180. a first spring; 190. a second spring; 200. a shaft sleeve; 210. a first mounting cavity; 220. a first set screw; 230. a drive pin; 300. a first rotating ring; 400. a second rotating ring; 500. a first stationary ring; 600. a second stationary ring; 700. a transmission seat; 710. a second set screw; 720. a transmission groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, a cartridge type mechanical seal includes: the sealing disc 100, the shaft sleeve 200, the first movable ring 300, the second movable ring 400, the first stationary ring 500 and the second stationary ring 600, preferably, the shaft sleeve 200 is tubular in structure and is similar to a T-shape, the sealing disc 100 is similar to a flange structure, and in a practical structure, the sealing disc 100 comprises a disc body and an end cover, and the end cover is connected to one side of the disc body through bolts.
The sealing disc 100 is sleeved on the shaft sleeve 200, preferably, the shaft sleeve 200 is sleeved on the rotating shaft, the sealing disc 100 is sleeved on the shaft sleeve 200, when the rotating shaft rotates, the shaft sleeve 200 is driven to rotate, and the sealing disc 100 is kept static.
One end of the shaft sleeve 200 is provided with a first mounting cavity 210 and the other end is provided with a first set screw 220 for connecting to a transmission shaft, preferably, the first set screw 220 is pressed against the surface of the transmission shaft, so that the shaft sleeve 200 and the rotating shaft are linked together; it should be noted here that one end of the shaft sleeve 200 extends in the axial direction to form a disc-shaped end portion, a first mounting cavity 210 is opened on an end surface of the disc-shaped end portion, and the first mounting cavity 210 is of an annular structure.
The two ends of the sealing disc 100 are respectively provided with a second mounting cavity 110 and a third mounting cavity 120, an inner cavity 130 is arranged in the sealing disc 100, and the third mounting cavity 120 is communicated with the inner cavity 130.
Preferably, the second mounting chamber 110 is provided on the outer end face of the end cap of the sealing disk 100, and the disk body of the sealing disk 100 actually has a stepped hole structure, which can be divided into the inner chamber 130 and the third mounting chamber 120, so that the inner chamber 130 communicates with the third mounting chamber 120.
The first rotating ring 300 is disposed in the first mounting cavity 210, the first stationary ring 500 is disposed in the second mounting cavity 110 and connected to the first rotating ring 300, the second rotating ring 400 is disposed in the inner cavity 130, and the second stationary ring 600 is disposed in the third mounting cavity 120 and connected to the second rotating ring 400.
Preferably, a sealing ring is arranged between the first rotating ring 300 and the first mounting cavity 210, a sealing ring is also arranged between the first stationary ring 500 and the second mounting cavity 110, the second rotating ring 400 is sleeved on the shaft sleeve 200, a sealing ring is arranged between the second rotating ring 400 and the shaft sleeve 200, and a sealing ring is arranged between the second stationary ring 600 and the third mounting cavity 120.
Through the position distribution and the connection relationship of the movable ring and the static ring, the mechanical seal is more compact in structure, and the reliability of the seal is ensured.
As shown in fig. 1, on the basis of the above embodiment, the sealing disc 100 is provided with a water inlet 140 and a water outlet 150, and both the water inlet 140 and the water outlet 150 are communicated with the inner cavity 130.
The mechanical seal has a circulation cooling and cleaning effect, and because the mechanical seal generates friction when the transmission shaft rotates, the mechanical seal generates heat and generates crystals, and cooling and flushing are needed at the moment.
Preferably, the cooling water can enter the inner cavity 130 from the water inlet 140, enter the third installation cavity 120 along the inner cavity 130, enter between the first movable ring 300 and the first stationary ring 500, and finally flow out of the water outlet 150, and based on the sealing structure in the present embodiment, the cooling water leakage can be effectively avoided.
As shown in fig. 1, on the basis of the above embodiment, the first mounting cavity 210 and the second mounting cavity 110 are both in a ring-shaped stepped groove structure, the first mounting cavity 210 faces the seal disk 100, and the second mounting cavity 110 is opened on the outer end face of the seal disk 100 and faces the second mounting cavity 110.
Preferably, the first mounting cavity 210 and the second mounting cavity 110 are both annular cavity structures disposed axially, and the first moving ring 300 and the first stationary ring 500 are not located in the sealing disc 100, but located at one end of the sealing disc 100, and the first moving ring 300 and the first stationary ring 500 are both sleeved on the shaft sleeve 200, so that the coolant can be effectively prevented from contacting the transmission shaft, and the mechanical seal is more reliable.
As shown in fig. 1, on the basis of the above embodiment, a driving pin 230 is disposed on the shaft sleeve 200, the driving pin 230 is connected to the first rotating ring 300, a first stopping pin 160 is disposed on an end surface of the sealing disk 100, a second stopping pin 170 is disposed in the third mounting cavity 120, the first stopping pin 160 is connected to the first stationary ring 500, and the second stopping pin 170 is connected to the second stationary ring 600.
Preferably, the structure that the driving pin 230 drives the first rotating ring 300 so that the first rotating ring 300 is connected with the shaft sleeve 200 and the driving shaft enables the mechanical seal to work normally under high torque, and the first stopping pin 160 and the second stopping pin 170 enable the first stationary ring 500 and the second stationary ring 600 to be kept stationary.
As shown in fig. 1, on the basis of the above embodiment, a transmission seat 700 is disposed in the inner cavity 130, a second set screw 710 and a transmission groove 720 are disposed on the transmission seat 700, the second set screw 710 is connected with the shaft sleeve 200, and the second rotating ring 400 is embedded in the transmission groove 720.
Preferably, the driving seat 700 is a ring-shaped structure, which is fixed on the shaft sleeve 200 by the second set screw 710 and fixes the second rotating ring 400 by the driving shaft, so that the second rotating ring 400 can be connected with the shaft sleeve 200 in the inner cavity 130.
As shown in fig. 1, on the basis of the above embodiment, a first spring 180 is disposed on the end surface of the sealing plate 100, a second spring 190 is disposed on the actuator seat 700, the first spring 180 is connected to the first stationary ring 500 in an abutting manner, and the second spring 190 is connected to the second movable ring 400 in an abutting manner.
Preferably, the first spring 180 and the second spring 190 are respectively used for providing elastic compensation force for the first stationary ring 500 and the second movable ring 400, so as to ensure that the first stationary ring 500 and the first movable ring 300 can be reliably abutted together, and the second stationary ring 600 and the second movable ring 400 can be reliably connected together, so that the movable ring and the stationary ring can be also ensured to be tightly connected after friction.
Preferably, the first spring 180 and the second spring 190 are both of a multi-spring structure, and specifically, the first spring 180 and the second spring 190 are plural and are distributed annularly around the shaft sleeve 200, so that a uniform elastic compensation force can be provided.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A cartridge-type mechanical seal, comprising: sealed dish, axle sleeve, first rotating ring, second rotating ring, first stationary ring and the quiet ring of second, sealed dish cover is established on the axle sleeve, the one end of axle sleeve is provided with first installation cavity and the other end is provided with and is used for connecting at the epaxial first holding screw of transmission, the both ends of sealed dish are provided with second installation cavity and third installation cavity respectively, and be provided with the inner chamber in the sealed dish, the third installation cavity with the inner chamber intercommunication, first rotating ring sets up in the first installation cavity, first stationary ring sets up in the second installation cavity and with first rotating ring is connected, the second rotating ring sets up the inner chamber, the quiet ring of second sets up in the third installation cavity and with the second rotating ring is connected.
2. A cartridge-type mechanical seal according to claim 1, wherein: the sealing disc is provided with a water inlet hole and a water outlet hole, and the water inlet hole is communicated with the water outlet hole and the inner cavity.
3. A cartridge-type mechanical seal according to claim 1, wherein: first installation cavity with the second installation cavity is annular ladder groove structure, first installation cavity orientation sealed dish, the second installation cavity is seted up seal dish outer end face go up and the orientation the second installation cavity.
4. A cartridge-type mechanical seal according to claim 3, wherein: the shaft sleeve is provided with a transmission pin, the transmission pin is connected with the first movable ring, a first stop pin is arranged on the end face of the sealing disc, a second stop pin is arranged in the third installation cavity, the first stop pin is connected with the first stationary ring, and the second stop pin is connected with the second stationary ring.
5. A cartridge-type mechanical seal according to claim 1, wherein: the inner cavity is internally provided with a transmission seat, the transmission seat is provided with a second set screw and a transmission groove, the second set screw is connected with the shaft sleeve, and the second movable ring is embedded in the transmission groove.
6. A mechanical seal of the cartridge type according to claim 5, wherein: be provided with first spring on the terminal surface of sealed dish, be provided with the second spring on the transmission seat, first spring with first quiet ring is contradicted and is connected, the second spring with the second rotating ring is contradicted and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775370.XU CN213016932U (en) | 2020-08-21 | 2020-08-21 | Integrated mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775370.XU CN213016932U (en) | 2020-08-21 | 2020-08-21 | Integrated mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213016932U true CN213016932U (en) | 2021-04-20 |
Family
ID=75468140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775370.XU Active CN213016932U (en) | 2020-08-21 | 2020-08-21 | Integrated mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213016932U (en) |
-
2020
- 2020-08-21 CN CN202021775370.XU patent/CN213016932U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MXPA06008601A (en) | Spring supported dual element face seal with a run surface sleeve. | |
| CN213016932U (en) | Integrated mechanical seal | |
| JPH0535245Y2 (en) | ||
| CN213245357U (en) | Three-eccentric self-operated bidirectional pressure metal seal butterfly valve | |
| CN218718788U (en) | Mechanical seal with cooling function | |
| CN216306751U (en) | Hydrogen-resistant steel angle type stop valve | |
| KR102652649B1 (en) | Electric valve and its assembly method | |
| CN213017711U (en) | Anti-leakage double-end-face mechanical seal | |
| CN201196267Y (en) | Mechanical seal | |
| KR20030086952A (en) | Ball valve | |
| CN208605391U (en) | A kind of machine seal structure of circulating pump | |
| CN220769709U (en) | Sealing ring and scroll compressor | |
| CN221034066U (en) | Hydraulic control water inlet ball valve | |
| CN216199200U (en) | Single-end-face-area washing integrated mechanical sealing structure | |
| CN216110872U (en) | Integrated mechanical sealing structure with shunt bush on double end faces | |
| CN2173885Y (en) | Shutdown spiral sealing for heavy oil machinery or pump | |
| CN208966689U (en) | A kind of mechanically-sealing apparatus and the water pump with the mechanically-sealing apparatus | |
| CN217271881U (en) | Magnetic liquid sealing device for large-swing stirrer | |
| CN213017713U (en) | Single-end-face mechanical sealing structure | |
| CN115978196A (en) | Silicon carbide mechanical sealing device of sand mill | |
| CN213655786U (en) | Encryption ball valve | |
| CN218845118U (en) | Single-end-face integrated mechanical seal | |
| CN215110514U (en) | Dynamic hybrid shaft end mechanical sealing structure | |
| CN211039680U (en) | Double-end-face balanced mechanical seal for double-screw pump | |
| CN217874293U (en) | Eccentric half ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Chuangwei Machinery Co.,Ltd. Assignor: NINGBO DONGLIAN MECHANICAL SEAL Co.,Ltd. Contract record no.: X2023980053451 Denomination of utility model: A containerized mechanical seal Granted publication date: 20210420 License type: Common License Record date: 20231221 |
|
| EE01 | Entry into force of recordation of patent licensing contract |