CN220354107U - Mechanical sealing device of centrifugal submersible pump - Google Patents
Mechanical sealing device of centrifugal submersible pump Download PDFInfo
- Publication number
- CN220354107U CN220354107U CN202321478432.4U CN202321478432U CN220354107U CN 220354107 U CN220354107 U CN 220354107U CN 202321478432 U CN202321478432 U CN 202321478432U CN 220354107 U CN220354107 U CN 220354107U
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- mechanical seal
- groove
- submersible pump
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- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal submersible pump mechanical sealing device, which comprises a mechanical sealing main body, wherein a connecting pipe is fixed at one end of the mechanical sealing main body, a submersible pump connecting seat is arranged at the other end of the mechanical sealing main body, a sealing ring is sleeved on the surface of the connecting pipe, a connecting guide mechanism is arranged between the mechanical sealing main body and the submersible pump connecting seat, a butt joint mechanism is arranged between the connecting pipe and the sealing ring, and the connecting guide mechanism comprises: the connecting assembly is arranged at the joint between the mechanical seal main body and the submersible pump connecting seat; according to the utility model, through the designed connecting groove, the connector, the guide groove, the guide block, the limit groove and the limit buckle, the mechanical seal main body and the submersible pump connecting seat can be quickly and accurately butted, and meanwhile, the positioning hole and the screw hole are accurately aligned, so that the positioning screw rod can be conveniently used for easy through connection, and compared with the prior art, the installation work of the mechanical seal device is greatly facilitated.
Description
Technical Field
The utility model belongs to the technical field of centrifugal submersible pumps, and particularly relates to a mechanical sealing device of a centrifugal submersible pump.
Background
Centrifugal submersible pumps are pumps that transport liquids by centrifugal force generated when the impeller rotates, and require a mechanical seal to function during use of the centrifugal submersible pump. The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis and keeps fit and relatively slide under the action of fluid pressure and the elasticity (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal.
When the existing centrifugal submersible pump mechanical sealing device is installed and connected with the centrifugal submersible pump, the existing centrifugal submersible pump mechanical sealing device is generally screwed and fixedly connected through a positioning screw, and in the butt joint process of the connecting mode, due to the fact that a connecting guide structure does not exist, a screw hole and a mounting hole are difficult to align accurately, the screw hole and the mounting hole can align only through multiple times of rotation of the mechanical sealing device, and accordingly the problem that the centrifugal submersible pump mechanical sealing device is troublesome in installation is solved.
Disclosure of Invention
The utility model aims to provide a centrifugal submersible pump mechanical sealing device, which solves the problem that screw holes are difficult to align when the centrifugal submersible pump mechanical sealing device is installed in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal immersible pump mechanical seal device, includes the mechanical seal main part, the one end of mechanical seal main part is fixed with the connecting pipe, the other end of mechanical seal main part is provided with immersible pump connecting seat, the surface cover of connecting pipe is equipped with the sealing washer, be provided with between mechanical seal main part and the immersible pump connecting seat and connect guiding mechanism, be provided with docking mechanism between connecting pipe and the sealing washer, connect guiding mechanism includes:
the connecting assembly is arranged at the joint between the mechanical seal main body and the submersible pump connecting seat;
the guide assembly is arranged on the surface of the connecting assembly;
the limiting component is arranged on the inner side of the guide component;
the reset component is arranged on the inner side of the limit component;
and the positioning component is arranged on the surface of the mechanical seal main body and is connected with the connecting component.
Preferably, the connecting assembly comprises a connecting groove formed in the other end of the mechanical seal main body and a connector fixed at the end part of the submersible pump connecting seat, and the connector is connected with the connecting groove in a clamping mode.
Preferably, the guide assembly comprises guide grooves symmetrically formed in the surface of the connector and guide blocks symmetrically fixed on the inner wall of the connecting groove, and the guide blocks are in sliding connection with the guide grooves.
Preferably, the limiting assembly comprises limiting grooves symmetrically formed in two sides of the guide block and built-in grooves symmetrically formed in two sides of the inner wall of the guide block, limiting buckles are arranged in the built-in grooves and are connected with the limiting grooves in a clamping mode.
Preferably, the reset component comprises a groove formed in the limiting buckle and a through hole penetrating through the inner wall of the groove, a fixing rod penetrating through the through hole and connected with the groove is fixed in the built-in groove, and a telescopic spring is sleeved on the surface of the fixing rod relative to the inner part of the built-in groove.
Preferably, the locating component comprises locating holes symmetrically formed in two sides of the connector and screw holes symmetrically formed in two sides of the inner wall of the connecting groove in a penetrating mode, a locating screw rod penetrating through the inside of the screw hole and connected with the locating holes is arranged on the surface of the mechanical sealing main body, the locating screw rod is fixedly connected with the locating holes in a screwing mode, and a gasket is sleeved on the surface of the locating screw rod.
Preferably, the butt joint mechanism comprises butt joint grooves symmetrically arranged on two sides of the inner wall of the sealing ring and butt joint blocks symmetrically fixed on two sides of the surface of the connecting pipe, and the butt joint blocks are connected with the butt joint grooves in a clamping mode.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the designed connecting groove, the connector, the guide groove, the guide block, the limit groove and the limit buckle, the mechanical seal main body and the submersible pump connecting seat can be quickly and accurately butted, and meanwhile, the positioning hole and the screw hole are accurately aligned, so that the positioning screw rod can be conveniently used for easy through connection, and compared with the prior art, the installation work of the mechanical seal device is greatly facilitated.
Drawings
FIG. 1 is a schematic view of the appearance structure of the present utility model;
FIG. 2 is an enlarged schematic view of the utility model at A of FIG. 1;
FIG. 3 is an enlarged schematic view of the utility model at B of FIG. 1;
FIG. 4 is a schematic view of a docking slot structure of the present utility model;
in the figure: 1. a mechanical seal body; 2. a connecting pipe; 3. a submersible pump connecting seat; 4. a seal ring; 100. a connecting groove; 101. a connector; 200. a guide groove; 201. a guide block; 300. a limit groove; 301. a built-in groove; 302. a limit button; 400. a groove; 401. a through hole; 402. a fixed rod; 403. a telescopic spring; 500. positioning holes; 501. a screw hole; 502. positioning a screw; 503. a gasket; 600. a butt joint groove; 601. and (5) butt joint blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a centrifugal immersible pump mechanical seal device, includes mechanical seal main part 1, and the one end of mechanical seal main part 1 is fixed with connecting pipe 2, and the other end of mechanical seal main part 1 is provided with immersible pump connecting seat 3, and the surface cover of connecting pipe 2 is equipped with sealing washer 4, is provided with between mechanical seal main part 1 and the immersible pump connecting seat 3 and connects guiding mechanism, is provided with docking mechanism between connecting pipe 2 and the sealing washer 4, connects guiding mechanism and includes:
the connecting component is arranged at the connecting part between the mechanical seal main body 1 and the submersible pump connecting seat 3;
the guide assembly is arranged on the surface of the connecting assembly;
the limiting component is arranged on the inner side of the guide component;
the reset component is arranged on the inner side of the limit component;
and the positioning component is arranged on the surface of the mechanical seal main body 1 and is connected with the connecting component.
In this embodiment, preferably, the connection assembly includes a connection groove 100 formed at the other end of the mechanical seal body 1 and a connector 101 fixed at the end of the submersible pump connection seat 3, and the mechanical seal body 1 and the submersible pump connection seat 3 can be accurately abutted through the engagement connection between the connector 101 and the connection groove 100.
In this embodiment, preferably, the guiding assembly includes a guiding groove 200 symmetrically formed on the surface of the connector 101 and a guiding block 201 symmetrically fixed on the inner wall of the connecting groove 100, and the guiding block 201 is slidably connected with the guiding groove 200, so as to play a guiding role when the connector 101 is connected with the connecting groove 100, so that the positioning hole 500 and the screw hole 501 can be aligned accurately.
In this embodiment, preferably, the limiting component includes a limiting groove 300 symmetrically arranged on two sides of the guide block 201 and a built-in groove 301 symmetrically arranged on two sides of the inner wall of the guide groove 200, and a limiting buckle 302 is arranged in the built-in groove 301, and the limiting buckle 302 is connected with the limiting groove 300 in a clamping manner, so that the position of the guide block 201 can be limited and fixed.
In this embodiment, preferably, the reset component includes a groove 400 formed in the inner portion of the limit buckle 302 and a through hole 401 penetrating through the inner wall of the groove 400, a fixing rod 402 connected with the groove 400 and penetrating through the inner portion of the through hole 401 is fixed in the inner portion of the built-in groove 301, and a telescopic spring 403 is sleeved on the surface of the fixing rod 402 relative to the inner portion of the built-in groove 301, so that the groove 400 can be driven to reset and slide on the surface of the fixing rod 402, and meanwhile, the limit buckle 302 is driven to reset and pop out from the inner portion of the built-in groove 301.
In this embodiment, preferably, the positioning assembly includes positioning holes 500 symmetrically formed on two sides of the connector 101 and screw holes 501 symmetrically formed on two sides of an inner wall of the connecting groove 100, a positioning screw 502 penetrating through the inside of the screw holes 501 and connected with the positioning holes 500 is disposed on the surface of the mechanical seal main body 1, the connector 101 and the connecting groove 100 can be fixed together through screwing the positioning screw 502 and the positioning hole 500, a gasket 503 is sleeved on the surface of the positioning screw 502, and loosening of the positioning screw 502 can be effectively prevented under the action of the gasket 503.
In this embodiment, preferably, the docking mechanism includes docking slots 600 symmetrically formed on two sides of the inner wall of the sealing ring 4 and docking blocks 601 symmetrically fixed on two sides of the surface of the connecting pipe 2, and the docking blocks 601 are engaged with the docking slots 600 to perform docking guiding function when the sealing ring 4 is connected with the connecting pipe 2.
The working principle and the using flow of the utility model are as follows: when the mechanical seal main body 1 and the submersible pump connecting seat 3 are required to be installed and connected, the bottom end of the mechanical seal main body 1 is firstly attached to the end part of the submersible pump connecting seat 3, so that the connector 101 is embedded into the connecting groove 100, the guide block 201 is driven to be embedded into the guide groove 200 to extrude the limit buckle 302, the limit buckle 302 is extruded and contracted into the inner part of the built-in groove 301 by external force, meanwhile, the groove 400 is driven to slide and extrude the telescopic spring 403 on the surface of the fixing rod 402 through the through hole 401, the guide block 201 can be completely and slidably embedded into the inner part of the guide groove 200, at the moment, the limit buckle 302 is reset and popped up from the inner part of the built-in groove 301 under the action of the telescopic spring 403, is clamped into the inner part of the limit groove 300, the connector 101 can be temporarily limited and fixed in the inner part of the connecting groove 100, the positioning hole 500 and the screw hole 501 are accurately aligned, then the gasket 503 is sleeved on the surface of the positioning screw 502, the positioning screw 502 is penetrated into the inner part of the screw hole 501 to be fixedly connected with the positioning hole 500 by screwing, the gasket 503, the positioning screw 502 can be placed loose, and the sealing ring 601 can be connected with the sealing ring 601 through the connecting pipe 2 under the action of the sealing ring 601 when the connecting rod is required to be connected with the connecting rod 2, and the sealing ring 601 can be enabled to be abutted by the sealing ring 601.
Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may 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 (7)
1. The utility model provides a centrifugal immersible pump mechanical seal device, includes mechanical seal main part (1), the one end of mechanical seal main part (1) is fixed with connecting pipe (2), the other end of mechanical seal main part (1) is provided with immersible pump connecting seat (3), the surface cover of connecting pipe (2) is equipped with sealing washer (4), its characterized in that: a connection guide mechanism is arranged between the mechanical seal main body (1) and the submersible pump connecting seat (3), a butt joint mechanism is arranged between the connecting pipe (2) and the sealing ring (4), and the connection guide mechanism comprises:
the connecting component is arranged at the connecting part between the mechanical seal main body (1) and the submersible pump connecting seat (3);
the guide assembly is arranged on the surface of the connecting assembly;
the limiting component is arranged on the inner side of the guide component;
the reset component is arranged on the inner side of the limit component;
and the positioning component is arranged on the surface of the mechanical seal main body (1) and is connected with the connecting component.
2. A centrifugal submersible pump mechanical seal according to claim 1, wherein: the connecting assembly comprises a connecting groove (100) formed in the other end of the mechanical seal main body (1) and a connector (101) fixed at the end part of the submersible pump connecting seat (3), and the connector (101) is connected with the connecting groove (100) in a clamping mode.
3. A centrifugal submersible pump mechanical seal according to claim 1, wherein: the guide assembly comprises guide grooves (200) symmetrically formed in the surface of the connector (101) and guide blocks (201) symmetrically fixed on the inner wall of the connecting groove (100), and the guide blocks (201) are in sliding connection with the guide grooves (200).
4. A centrifugal submersible pump mechanical seal according to claim 1, wherein: the limiting assembly comprises limiting grooves (300) symmetrically formed in two sides of the guide block (201) and built-in grooves (301) symmetrically formed in two sides of the inner wall of the guide groove (200), limiting buckles (302) are arranged in the built-in grooves (301), and the limiting buckles (302) are connected with the limiting grooves (300) in a clamping mode.
5. The mechanical seal of a centrifugal submersible pump of claim 4, wherein: the reset assembly comprises a groove (400) formed in the limiting buckle (302) and a through hole (401) formed in the inner wall of the groove (400) in a penetrating mode, a fixing rod (402) connected with the groove (400) in a penetrating mode is fixed in the inner portion of the built-in groove (301), and a telescopic spring (403) is sleeved on the surface of the fixing rod (402) relative to the inner portion of the built-in groove (301).
6. A centrifugal submersible pump mechanical seal according to claim 1, wherein: the positioning assembly comprises positioning holes (500) symmetrically formed in two sides of the connecting head (101) and screw holes (501) symmetrically formed in two sides of the inner wall of the connecting groove (100) in a penetrating mode, positioning screws (502) penetrating through the screw holes (501) and connected with the positioning holes (500) are arranged on the surface of the mechanical sealing main body (1), the positioning screws (502) are fixedly connected with the positioning holes (500) in a screwing mode, and gaskets (503) are sleeved on the surface of the positioning screws (502).
7. A centrifugal submersible pump mechanical seal according to claim 1, wherein: the butt joint mechanism comprises butt joint grooves (600) symmetrically formed in two sides of the inner wall of the sealing ring (4) and butt joint blocks (601) symmetrically fixed on two sides of the surface of the connecting pipe (2), and the butt joint blocks (601) are connected with the butt joint grooves (600) in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478432.4U CN220354107U (en) | 2023-06-11 | 2023-06-11 | Mechanical sealing device of centrifugal submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478432.4U CN220354107U (en) | 2023-06-11 | 2023-06-11 | Mechanical sealing device of centrifugal submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354107U true CN220354107U (en) | 2024-01-16 |
Family
ID=89481019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321478432.4U Active CN220354107U (en) | 2023-06-11 | 2023-06-11 | Mechanical sealing device of centrifugal submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354107U (en) |
-
2023
- 2023-06-11 CN CN202321478432.4U patent/CN220354107U/en active Active
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