CN211371287U - Semi-split and semi-cartridge mechanical sealing element - Google Patents
Semi-split and semi-cartridge mechanical sealing element Download PDFInfo
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- CN211371287U CN211371287U CN201922142656.8U CN201922142656U CN211371287U CN 211371287 U CN211371287 U CN 211371287U CN 201922142656 U CN201922142656 U CN 201922142656U CN 211371287 U CN211371287 U CN 211371287U
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Abstract
The utility model discloses a semi-split semi-packaging type mechanical sealing element, which comprises an installation platform, wherein a sealing shaft is connected outside the installation platform, the installation platform is fixedly connected with the sealing shaft through a static connecting component, a movable connecting component is arranged above the static connecting component on the outer surface of the sealing shaft, an auxiliary replacing component is arranged above the movable connecting component, and the shaft seal is changed into a semi-split semi-packaging type mechanical sealing element; part of metal parts of the mechanical seal are split, so that the operation steps are reduced during subsequent replacement, and the efficiency of replacing the mechanical seal is increased; a semi-packaging structure is adopted, so that the installation is convenient, and the labor cost is saved; and a spring protection type structure is adopted, so that the small spring is effectively prevented from losing elasticity, the service life is prolonged, the maintenance workload is reduced, the leakage amount is small, and the requirements of national and local environmental protection laws and regulations are met.
Description
Technical Field
The utility model relates to a mechanical seal technical field specifically is a half subdivision is half collection dress formula mechanical seal spare.
Background
Rotary machines are very widely used mechanical devices, and the sealing problem of the rotating shaft is generated along with the rotary machines. For mechanical equipment such as bleaching towers, sieving machines, dryers, internal mixers, kneading machines and the like, a packing box is adopted to compress packing in a conventional shaft seal mode, the packing box has obvious leakage amount due to the sealing characteristic of the packing box and the limitations of equipment structure, manufacturing precision, running precision and the like, and partial equipment needs to be completely disassembled when the packing box is replaced due to the limitation of equipment technology, so that unnecessary consumption of labor, efficiency and the like in different degrees is caused. Along with the increasingly strict requirements of national environmental protection, the condition can not meet the requirements of environmental management of production sites gradually, packing needs to be frequently replaced, and mounting equipment needs to be frequently disassembled, so that the workload of equipment maintenance is greatly increased, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a semi-splitting semi-packaging formula mechanical seal to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a half subdivision half cartridge formula mechanical seal, includes mounting platform, the mounting platform outer joint is provided with sealed axle, through quiet coupling assembling fixed connection between mounting platform and the sealed axle, the quiet coupling assembling top of sealed off-axial surface is provided with moves coupling assembling, it is provided with supplementary change subassembly to move the coupling assembling top.
Preferably, quiet coupling assembling includes quiet ring seat, quiet ring seat is through first connecting bolt and mounting platform fixed connection, quiet ring seat top is provided with and divides half quiet ring clamp plate, quiet ring seat with divide between the quiet ring clamp plate of half through second connecting bolt fixed connection, quiet ring seat with divide half quiet ring clamp plate inboard to be provided with quiet ring and divide half tetrafluoro mounting tool.
Preferably, a first O-shaped ring is arranged between the static ring and the static ring seat.
Preferably, move coupling assembling and include the rotating ring, the rotating ring sets up above quiet ring and the branch polytetrafluoroethylene mounting tool, the rotating ring is provided with the rotating ring seat outward, through countersunk screw fixed connection between rotating ring seat and the rotating ring, be provided with second O type circle between rotating ring seat and the rotating ring, the rotating ring seat top is provided with the spring holder, the spring holder is provided with the stopper outward, the top is provided with holding screw in the spring holder, holding screw is provided with the cylinder head screw outward, the cylinder head screw sets up on the stopper.
Preferably, a small spring is arranged in the spring seat, a transmission pin is connected between the spring seat and the movable ring seat, a third O-shaped ring is arranged between the spring seat and the movable ring seat, and a fourth O-shaped ring is arranged between the spring seat and the sealing shaft.
Preferably, supplementary subassembly of changing is including dividing half adjusting ring, and through third connecting bolt fixed connection between the front and back side branch half adjusting ring, connect full thread double-screw bolt one end on the spring holder, the full thread double-screw bolt other end is connected through the nut with dividing between the half adjusting ring.
Compared with the prior art, the beneficial effects of the utility model are that: the shaft seal in the utility model is changed into a semi-split semi-cartridge mechanical seal; part of metal parts of the mechanical seal are split, so that the operation steps are reduced during subsequent replacement, and the efficiency of replacing the mechanical seal is increased; a semi-packaging structure is adopted, so that the installation is convenient, and the labor cost is saved; and a spring protection type structure is adopted, so that the small spring is effectively prevented from losing elasticity, the service life is prolonged, the maintenance workload is reduced, the leakage amount is small, and the requirements of national and local environmental protection laws and regulations are met.
Drawings
FIG. 1 is a schematic view of an overall cross-sectional structure of a semi-split semi-cartridge mechanical seal;
fig. 2 is an enlarged schematic structural diagram of a part a of a semi-split semi-cartridge mechanical seal.
In the figure: 1-a first connecting bolt, 2-a stationary ring seat, 3-a first O-ring, 4-a stationary ring, 5-a moving ring, 6-a countersunk screw, 7-a second O-ring, 8-a small spring, 9-a third O-ring, 10-a fourth O-ring, 11-a full-thread stud, 12-a second connecting bolt, 13-a half stationary ring pressing plate, 14-a moving ring seat, 15-a driving pin, 16-a limiting block, 17-a cylindrical head screw, 18-a set screw, 19-a spring seat, 20-a half adjusting ring, 21-a third connecting bolt, 22-a half tetrafluoro mounting tool, 23-a nut, 24-a mounting platform, 25-an auxiliary replacing component, 26-a moving connecting component, 27-a stationary connecting component and 28-a sealing shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a semi-split semi-integrated mechanical sealing element comprises a mounting platform 24, wherein a sealing shaft 28 is connected and arranged outside the mounting platform 24, the mounting platform 24 is fixedly connected with the sealing shaft 28 through a static connecting component 27, a dynamic connecting component 26 is arranged above the static connecting component 27 on the outer surface of the sealing shaft 28, an auxiliary replacing component 25 is arranged above the dynamic connecting component 26, the static connecting component 27 comprises a static ring seat 2, the static ring seat 2 is fixedly connected with the mounting platform 24 through a first connecting bolt 1, a semi-split static ring pressing plate 13 is arranged above the static ring seat 2, the static ring seat 2 is fixedly connected with the semi-split static ring pressing plate 13 through a second connecting bolt 12, a static ring 4 and a semi-split PTFE mounting tool 22 are arranged on the inner sides of the static ring seat 2 and the semi-split static ring pressing plate 13, and a first O-shaped ring 3 is arranged between the static ring 4 and the static ring seat 2, the movable connecting assembly 26 comprises a movable ring 5, the movable ring 5 is arranged above a fixed ring 4 and a half-polytetrafluoroethylene mounting tool 22, a movable ring seat 14 is arranged outside the movable ring 5, the movable ring seat 14 is fixedly connected with the movable ring 5 through a sunk screw 6, a second O-shaped ring 7 is arranged between the movable ring seat 14 and the movable ring 5, a spring seat 19 is arranged above the movable ring seat 14, a limiting block 16 is arranged outside the spring seat 19, a set screw 18 is arranged above the spring seat 19, a cylindrical head screw 17 is arranged outside the set screw 18, the cylindrical head screw 17 is arranged on the limiting block 16, a small spring 8 is arranged in the spring seat 19, a transmission pin 15 is connected between the spring seat 19 and the movable ring seat 14, a third O-shaped ring 9 is arranged between the spring seat 19 and the movable ring seat 14, a fourth O-shaped ring 10 is arranged between the spring seat 19 and a sealing shaft 28, the auxiliary replacing assembly 25 comprises a half-divided adjusting ring 20, the front half-divided adjusting ring 20 and the rear half-divided adjusting ring 20 are fixedly connected through a third connecting bolt 21, one end of a full-thread stud 11 is connected to the spring seat 19, and the other end of the full-thread stud 11 is connected with the half-divided adjusting ring 20 through a nut 23.
When the mechanical seal is installed for the first time, the equipment needs to be disassembled from the tank body to the back of the stuffing box, the static ring seat 2 is installed into an equipment platform, the first connecting screw 1 is screwed, the semi-static ring pressing plate 13 is installed after the static ring 4 is installed, the second connecting screws 12 are symmetrically and uniformly screwed, and the installation of the static connecting component 27 is completed; lubricating oil is coated on the shaft sleeve mounting machine seal part and the third O-shaped ring 9 and the fourth O-shaped ring 10 in the movable assembly, the movable connecting assembly 26 is sleeved on the seal shaft 28, the movable connecting assembly 26 is attached to the static connecting assembly 27 in an annular surface mode, and then the part number fastening screws 18 are symmetrically and uniformly screwed; after the mechanical seal is installed, the cylindrical head screw 17 and the limiting block 16 are disassembled, and the two parts need to be used and stored when the mechanical seal wearing part is replaced subsequently. And finishing the mechanical seal installation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a half subdivision half cartridge type mechanical seal, includes mounting platform (24), its characterized in that: mounting platform (24) outer joint is provided with sealed axle (28), through quiet coupling assembling (27) fixed connection between mounting platform (24) and sealed axle (28), sealed axle (28) surface quiet coupling assembling (27) top is provided with moves coupling assembling (26), it is provided with supplementary change subassembly (25) to move coupling assembling (26) top.
2. A semi-split semi-cartridge mechanical seal as claimed in claim 1, wherein: quiet coupling assembling (27) are including quiet ring seat (2), quiet ring seat (2) are through first connecting bolt (1) and mounting platform (24) fixed connection, quiet ring seat (2) top is provided with and divides half quiet ring clamp plate (13), quiet ring seat (2) and divide and pass through second connecting bolt (12) fixed connection between half quiet ring clamp plate (13), quiet ring seat (2) and divide half quiet ring clamp plate (13) inboard to be provided with quiet ring (4) and divide half tetrafluoro mounting tool (22).
3. A semi-split semi-cartridge mechanical seal as claimed in claim 2, wherein: a first O-shaped ring (3) is arranged between the static ring (4) and the static ring seat (2).
4. A semi-split semi-cartridge mechanical seal according to claim 3, wherein: move coupling assembling (26) and include rotating ring (5), rotating ring (5) are at quiet ring (4) and divide half tetrafluoro mounting tool (22) top setting, rotating ring (5) are provided with rotating ring seat (14) outward, through countersunk screw (6) fixed connection between rotating ring seat (14) and rotating ring (5), be provided with second O type circle (7) between rotating ring seat (14) and rotating ring (5), rotating ring seat (14) top is provided with spring holder (19), spring holder (19) are provided with stopper (16) outward, the top is provided with holding screw (18) in spring holder (19), holding screw (18) are provided with cylindrical head screw (17) outward, cylindrical head screw (17) set up on stopper (16).
5. A half-split and half-cartridge mechanical seal according to claim 4, wherein: the novel sealing device is characterized in that a small spring (8) is arranged in the spring seat (19), a transmission pin (15) is connected between the spring seat (19) and the movable ring seat (14), a third O-shaped ring (9) is arranged between the spring seat (19) and the movable ring seat (14), and a fourth O-shaped ring (10) is arranged between the spring seat (19) and the sealing shaft (28).
6. A semi-split semi-cartridge mechanical seal according to claim 5, wherein: supplementary subassembly (25) of changing is including dividing half adjusting ring (20), through third connecting bolt (21) fixed connection between front and back side branch half adjusting ring (20), connect full thread double-screw bolt (11) one end on spring holder (19), be connected through nut (23) between full thread double-screw bolt (11) other end and the branch half adjusting ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142656.8U CN211371287U (en) | 2019-12-04 | 2019-12-04 | Semi-split and semi-cartridge mechanical sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922142656.8U CN211371287U (en) | 2019-12-04 | 2019-12-04 | Semi-split and semi-cartridge mechanical sealing element |
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| Publication Number | Publication Date |
|---|---|
| CN211371287U true CN211371287U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922142656.8U Active CN211371287U (en) | 2019-12-04 | 2019-12-04 | Semi-split and semi-cartridge mechanical sealing element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109909A (en) * | 2023-10-24 | 2023-11-24 | 张家港市赛斯机械密封有限公司 | Detection and early warning method and system for mechanical sealing performance of large-shaft-diameter semi-split type machine |
-
2019
- 2019-12-04 CN CN201922142656.8U patent/CN211371287U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117109909A (en) * | 2023-10-24 | 2023-11-24 | 张家港市赛斯机械密封有限公司 | Detection and early warning method and system for mechanical sealing performance of large-shaft-diameter semi-split type machine |
| CN117109909B (en) * | 2023-10-24 | 2023-12-22 | 张家港市赛斯机械密封有限公司 | Detection and early warning method and system for mechanical sealing performance of large-shaft-diameter semi-split type machine |
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