CN220354109U - Novel external packaging type mechanical seal - Google Patents
Novel external packaging type mechanical seal Download PDFInfo
- Publication number
- CN220354109U CN220354109U CN202322078711.8U CN202322078711U CN220354109U CN 220354109 U CN220354109 U CN 220354109U CN 202322078711 U CN202322078711 U CN 202322078711U CN 220354109 U CN220354109 U CN 220354109U
- Authority
- CN
- China
- Prior art keywords
- ring
- pump shaft
- mechanical seal
- movable
- static
- 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
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 210000004907 gland Anatomy 0.000 claims abstract description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000006835 compression Effects 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a novel external packaging type mechanical seal, which comprises a pump shaft, wherein a sealing structure is arranged on the pump shaft; the utility model relates to the technical field of mechanical sealing, a pump shaft drives a driving ring to rotate together through a jackscrew, the driving ring drives a push ring to rotate together through a driving screw, then drives a movable ring body to rotate together through a cylindrical pin, the traditional polytetrafluoroethylene bellows type mechanical seal is replaced by single-end-face mechanical seal, the sealing quality is ensured, only a static ring body, a static ring sealing gasket, a movable ring body and a movable ring O-shaped ring are in contact with a medium, metal parts such as the driving ring and a gland are not in contact with the medium, the problem of corrosion resistance of the metal parts is not required to be considered, the cost is saved, a positioning clamping plate is arranged, the compression height of a spring is adjusted through the positioning clamping plate, the positioning clamping plate is removed after the whole mechanical seal is installed, the compression amount of the spring is not required to be adjusted on site, and the installation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing, in particular to a novel external packaging type mechanical sealing.
Background
The existing mechanical seal is a standard special mechanical seal for an alkali pump and an acid pump, and is a standard external mechanical seal. However, the seal is a bulk mechanical seal, the compression height of the spring needs to be calculated during installation, the compression amount of the spring is not easy to be too large, and the spring is not easy to be too small, so that a plurality of inconveniences are brought to installation. In addition, when the medium temperature in the pump cavity is too high, the movable ring is easy to fall off from the polytetrafluoroethylene corrugated pipe, so that the mechanical seal is invalid.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model is realized by the following technical scheme: the novel external packaging type mechanical seal comprises a pump shaft, wherein a sealing structure is arranged on the pump shaft;
the sealing structure comprises: the device comprises a static ring body, a static ring sealing gasket, a movable ring body, a movable ring O-shaped ring, a transmission screw, a positioning clamping plate, a transmission ring, a jackscrew, a spring, a retainer ring, a cylindrical pin, a push ring and a gland;
the static ring body is installed on the pump shaft, the static ring sealing gasket is installed on the static ring body, the movable ring body is installed on the pump shaft, the movable ring O-shaped ring is installed on the pump shaft, the retainer ring is attached to the movable ring body, the transmission ring is installed on the pump shaft, the jackscrew is inserted on the transmission ring, one end of the jackscrew is installed on the pump shaft, the push ring is installed on the retainer ring, the cylindrical pin is inserted on the push ring, one end of the cylindrical pin is installed on the movable ring body, the transmission screw is inserted on the transmission ring, one end of the transmission screw is installed on the push ring, one end of the spring is installed on the transmission ring, one end of the spring is installed on the push ring, the positioning clamping plate is movably installed on the transmission ring, the push ring and the movable ring, and the press cover is installed on the static ring body.
Preferably, a baffle pad is arranged between the movable ring and the push ring.
Preferably, the gland is attached to the stationary ring gasket.
Preferably, the number of the locating clamping plates is 3.
Preferably, the movable ring O-shaped ring is attached to the movable ring body.
Preferably, the static ring sealing gasket is of an annular polytetrafluoroethylene sealing gasket structure.
Advantageous effects
The utility model provides a novel external packaging type mechanical seal, which has the following beneficial effects: the pump shaft drives the drive ring to rotate together through the jackscrew, the drive ring rotates together through drive screw with pushing away the ring, and then drive the movable ring body through the cylindric lock and rotate together, utilize single terminal surface machine seal to replace traditional polytetrafluoroethylene bellows formula machine seal, sealing quality has been guaranteed, only quiet ring body, quiet ring packing, moving ring body and movable ring O shape circle and medium contact, the metalwork such as drive ring, gland all do not contact with the medium, need not to consider the corrosion-resistant problem of metalwork, practice thrift the cost, set up the location cardboard, through the compression height of location cardboard adjustment spring, tear down the location cardboard after the installation of a whole set of machine seal is accomplished, need not the compression volume of installation on-the-spot adjustment spring, installation effectiveness has been improved.
Drawings
Fig. 1 is a schematic diagram of a front cross-sectional structure of a novel external packaging mechanical seal according to the present utility model.
In the figure: 1. the sealing device comprises a static ring body, a static ring sealing gasket, a dynamic ring body, a dynamic ring O-shaped ring, a baffle gasket, a driving screw, a positioning clamping plate, a driving ring, a jackscrew, a spring, a retainer ring, a cylindrical pin, a push ring and a gland.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1, a novel external packaging type mechanical seal comprises a pump shaft, wherein a sealing structure is arranged on the pump shaft;
in a specific implementation, the sealing structure comprises: the device comprises a static ring body 1, a static ring sealing gasket 2, a dynamic ring body 3, a dynamic ring O-ring 4, a transmission screw 6, a positioning clamping plate 7, a transmission ring 8, a jackscrew 9, a spring 10, a retainer ring 11, a cylindrical pin 12, a push ring 13 and a gland 14; the static ring body 1 is arranged on a pump shaft, the static ring sealing gasket 2 is arranged on the static ring body 1, the movable ring body 3 is arranged on the pump shaft, the movable ring O-shaped ring 4 is arranged on the pump shaft, the retainer ring 11 is attached to the movable ring body 3, the driving ring 8 is arranged on the pump shaft, the jackscrew 9 is inserted on the driving ring 8, one end of the jackscrew 9 is arranged on the pump shaft, the push ring 13 is arranged on the retainer ring 11, the cylindrical pin 12 is inserted on the push ring 13, one end of the cylindrical pin 12 is arranged on the movable ring body 3, the driving screw 6 is inserted on the driving ring 8, one end of the driving screw 6 is arranged on the push ring 13, one end of the spring 10 is arranged on the driving ring 8, one end of the spring 10 is arranged on the push ring 13, the positioning clamping plate 7 is movably arranged on the driving ring 8, the push ring 13 and the movable ring, and the gland 14 is arranged on the static ring body 1;
the following are to be described: the static ring body 1 and the static ring sealing gasket 2 are installed in the gland 14 together, the gland 14 is fixed on the pump cavity, the spring 10 provides the force of the spring 10 through compression, the dynamic ring body 3 and the static ring body 1 are tightly attached together to keep the sealing effect, the dynamic ring body 3 is installed together through the dynamic ring O-shaped ring 4, the retainer ring 11 and the push ring 13, the push ring 13 is installed together through the transmission screw 6 and the transmission ring 8, the transmission ring 8 is fixed together with the pump shaft through the tightening jackscrew 9, the pump shaft drives the transmission ring 8 to rotate together through the jackscrew 9, the transmission ring 8 drives the push ring 13 to rotate together through the transmission screw 6, and then drives the movable ring body 3 to rotate together through the cylindrical pin 12, the positioning clamping plate 7 is arranged, the compression height of the spring 10 is adjusted through the positioning clamping plate 7, the positioning clamping plate 7 is removed after the whole set of mechanical seal is installed, the compression amount of the spring 10 is not required to be adjusted on site, and the installation efficiency is improved;
preferably, a baffle pad 5 is arranged between the movable ring and the push ring 13 for sealing;
preferably, further, the gland 14 is attached to the stationary ring gasket 2;
preferably, the number of the positioning clamping plates 7 is 3;
preferably, further, the movable ring O-shaped ring 4 is attached to the movable ring body 3;
preferably, still further, the static ring sealing gasket 2 is an annular polytetrafluoroethylene sealing gasket structure;
in sum, the pump shaft drives the drive ring 8 to rotate together through jackscrew 9, drive ring 8 drives push ring 13 to rotate together through drive screw 6, and then drive the movable ring body 3 to rotate together through cylindric lock 12, utilize single terminal surface machine seal to replace traditional polytetrafluoroethylene bellows formula machine seal, guaranteed sealing quality, only quiet ring body 1, quiet ring seal 2, movable ring body 3 and movable ring O shape circle 4 are in contact with the medium, the metal parts such as drive ring 8, gland 14 all do not contact with the medium, need not to consider the corrosion-resistant problem of metal part, the cost is saved, set up location cardboard 7, through the compression height of location cardboard 7 adjustment spring 10, tear location cardboard 7 off after the installation of complete machine seal is accomplished, need not the compression volume of installation on-the-spot adjustment spring 10 again, installation effectiveness has been improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The novel external packaging type mechanical seal comprises a pump shaft and is characterized in that a sealing structure is arranged on the pump shaft;
the sealing structure comprises: the sealing device comprises a static ring body (1), a static ring sealing gasket (2), a dynamic ring body (3), a dynamic ring O-shaped ring (4), transmission screws (6), a positioning clamping plate (7), a transmission ring (8), a jackscrew (9), a spring (10), a retainer ring (11), a cylindrical pin (12), a push ring (13) and a gland (14);
the static ring body (1) is installed on the pump shaft, the static ring sealing gasket (2) is installed on the static ring body (1), the movable ring body (3) is installed on the pump shaft, the movable ring O-shaped ring (4) is installed on the pump shaft, the retaining ring (11) is installed on the pump shaft, just retaining ring (11) is attached to the movable ring body (3), the transmission ring (8) is installed on the pump shaft, jackscrew (9) cartridge is installed on the transmission ring (8), jackscrew (9) one end is installed on the pump shaft, push ring (13) is installed on the retaining ring (11), cylindric lock (12) cartridge is installed on push ring (13), cylindric lock (12) one end is installed on the movable ring body (3), transmission screw (6) cartridge is on the transmission ring (8), just transmission screw (6) one end is installed on the movable ring (13), spring (10) one end is installed on the transmission ring (8), push ring (13) and push ring (14) are installed on the movable gland (1).
2. A new type of external packaging mechanical seal according to claim 1, characterized in that a stop pad (5) is mounted between the moving ring and the push ring (13).
3. A new and improved mechanical seal as claimed in claim 1, wherein said gland (14) is attached to said stationary ring seal (2).
4. A new and improved mechanical seal as claimed in claim 1, wherein said number of said locating clips (7) is 3.
5. The novel external packaging mechanical seal according to claim 1, wherein the movable ring O-shaped ring (4) is attached to the movable ring body (3).
6. The novel external packaging type mechanical seal according to claim 1, wherein the static ring sealing gasket (2) is of an annular polytetrafluoroethylene sealing gasket structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078711.8U CN220354109U (en) | 2023-08-03 | 2023-08-03 | Novel external packaging type mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078711.8U CN220354109U (en) | 2023-08-03 | 2023-08-03 | Novel external packaging type mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354109U true CN220354109U (en) | 2024-01-16 |
Family
ID=89477640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078711.8U Active CN220354109U (en) | 2023-08-03 | 2023-08-03 | Novel external packaging type mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354109U (en) |
-
2023
- 2023-08-03 CN CN202322078711.8U patent/CN220354109U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |