CN220037023U - Mechanical sealing structure of centrifugal pump - Google Patents
Mechanical sealing structure of centrifugal pump Download PDFInfo
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- CN220037023U CN220037023U CN202321640529.0U CN202321640529U CN220037023U CN 220037023 U CN220037023 U CN 220037023U CN 202321640529 U CN202321640529 U CN 202321640529U CN 220037023 U CN220037023 U CN 220037023U
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- ring
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- elastic
- mechanical seal
- mechanical
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- 238000007789 sealing Methods 0.000 title claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000003292 glue Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 39
- 238000001125 extrusion Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005728 strengthening Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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 mechanical sealing structure of a centrifugal pump, which comprises a mechanical sealing gasket main body, wherein the mechanical sealing gasket main body comprises a flexible connecting ring, a reinforcing sealing mechanism is further arranged on the mechanical sealing gasket main body, the reinforcing sealing mechanism comprises a reinforcing sealing assembly and an elastic limit connecting assembly, and the reinforcing sealing mechanism is arranged on two sides of the flexible connecting ring; through the design reinforcing seal mechanism, can be when the mechanical seal pad main part is closed in the edge of the centrifugal pump body, when closed pump cover and extrusion installation, receive extrusion drive elastic ring D in the inside of recess to take place deformation and assist pad elastic connection with spacing ring B at sealed the assisting pad, make sealed assisting pad strengthen sticis at the surface of the pump body and pump cover, seal effect when strengthening mechanical seal pad main part installation with sealed assisting pad elastic connection, be convenient for strengthen sealedly when extrusion installation, be difficult for causing mechanical seal pad main part extrusion to produce deformation and take place to leak, strengthen mechanical seal pad main part's elastic seal.
Description
Technical Field
The utility model belongs to the technical field of mechanical sealing gaskets, and particularly relates to a mechanical sealing structure of a centrifugal pump.
Background
The centrifugal pump is a pump for conveying liquid by virtue of centrifugal force generated when the impeller rotates, the centrifugal pump needs to be installed in a sealing way when the pump cover is installed and closed, the pump cover is sealed by installing a mechanical sealing gasket, the traditional mechanical sealing gasket is a sealing component for sealing and installing the pump cover and the pump body when the centrifugal pump is installed and used, the mechanical sealing gasket is convenient for reinforcing and fastening installation when the centrifugal pump is installed, and reinforcing and compressing sealing is carried out when the centrifugal pump is pressed and installed after the centrifugal pump is fixedly installed, so that the fixing property and the reinforcing sealing effect of the mechanical sealing gasket on the installation between the centrifugal pump body and the pump cover are improved;
the existing mechanical sealing gasket is directly closed at the edge of the end part of the centrifugal pump body and is used for closing the pump cover at the edge of the pump body, and the pump cover and the pump body are sealed and installed through the mechanical sealing gasket, so that the mechanical sealing gasket is directly extruded and fixed for sealing installation when being installed and used, the sealing gasket is excessively extruded and damaged after the pump cover and the centrifugal pump body are installed to generate leakage, the mechanical sealing gasket is not convenient to strengthen sealing when being extruded and installed, and the problem of strengthening sealing effect of the mechanical sealing gasket when the centrifugal pump is installed and used is influenced is solved.
Disclosure of Invention
The utility model aims to provide a mechanical sealing structure of a centrifugal pump, which aims to solve the problems that in the background art, when a mechanical sealing gasket is installed and used, the mechanical sealing gasket is directly extruded and fixed for sealing installation, so that the sealing gasket is excessively damaged after a pump cover and a centrifugal pump body are installed, leakage is generated, the mechanical sealing gasket is inconvenient to strengthen sealing when the mechanical sealing gasket is extruded and installed, and the sealing effect of the mechanical sealing gasket is influenced when the mechanical sealing gasket is installed and used for the centrifugal pump.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal pump's mechanical seal structure, includes mechanical seal pad main part, mechanical seal pad main part includes flexible coupling ring, still be provided with in the mechanical seal pad main part:
the reinforced sealing mechanism comprises a reinforced sealing assembly and an elastic limit connecting assembly, and the reinforced sealing mechanism is arranged at two sides of the flexible connecting ring;
the reinforcing fixing mechanism comprises a mounting assembly and an elastic reinforcing assembly, and is arranged at the edge of the inner surface of the flexible connecting ring.
Preferably, the reinforcing seal assembly comprises seal auxiliary gaskets arranged at two side edges of the flexible connecting ring, and the seal auxiliary gaskets are of annular structures.
Preferably, the elastic limit connecting component comprises grooves formed in two side edges of the flexible connecting ring, the side faces of the sealing auxiliary pad are embedded into the grooves, elastic rings D are fixedly bonded in the grooves through glue solution, limit rings B are elastically connected to the surfaces of the elastic rings D, and the surfaces of the limit rings B are fixedly connected with the surfaces of the sealing auxiliary pad through glue solution bonding.
Preferably, the limiting ring B is of an annular structure, and the outer surface of the limiting ring B is matched with the inner surface structure of the groove.
Preferably, the mounting assembly comprises a built-in flexible mounting frame fixed at the inner surface edge of the flexible connecting ring through glue solution adhesion, and the built-in flexible mounting frame is embedded into the flexible connecting ring.
Preferably, the elastic reinforcing component comprises an elastic ring C which is fixed inside the built-in flexible mounting frame through glue solution adhesion, the surface of the elastic ring C is elastically connected with a limiting ring A, and the surface of the limiting ring A is fixed with a flexible fixing ring through glue solution adhesion.
Preferably, the side surface of the flexible fixing ring is embedded into the inner part of the built-in flexible mounting frame, and the flexible fixing ring is in limiting connection with the inner part of the built-in flexible mounting frame through the limiting ring A.
Compared with the prior art, the utility model has the beneficial effects that:
through the design reinforcing seal mechanism, can be when the mechanical seal pad main part is closed in the edge of the centrifugal pump body, when closed pump cover and extrusion installation, receive extrusion drive elastic ring D in the inside of recess to take place deformation and assist pad elastic connection with spacing ring B at sealed the assisting pad, make sealed assisting pad strengthen sticis the surface at the pump body with the pump cover, seal effect when reinforcing mechanical seal pad main part installation with sealed assisting pad elastic connection, be convenient for strengthen sealedly when extrusion installation, be difficult for causing mechanical seal pad main part extrusion to produce deformation and take place to leak, strengthen the elastic seal of mechanical seal pad main part, improve mechanical seal pad main part and strengthen sealed effect when being in centrifugal pump installation use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side cross-sectional view of the flexible connection ring and seal auxiliary gasket of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of the seal auxiliary pad and stop collar B of the present utility model;
in the figure: 100. a mechanical gasket body; 101. a flexible connection ring; 1011. sealing the auxiliary pad; 1012. a flexible securing ring; 1013. a flexible mounting frame is arranged in the inner part; 1014. a limiting ring A; 1015. an elastic ring C; 1016. a limiting ring B; 1017. an elastic ring D; 1018. a groove.
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 pump's mechanical seal structure, including mechanical seal pad main part 100, mechanical seal pad main part 100 includes flexible coupling ring 101, be provided with on the mechanical seal pad main part 100 and strengthen sealing mechanism, and this strengthen sealing mechanism including strengthening sealing component and the spacing coupling component of elasticity, strengthen sealing mechanism setting in flexible coupling ring 101's both sides, can seal up the mechanical seal pad main part 100 when centrifugal pump body edge with mechanical seal pad main part 100 closure, seal up mechanical seal pad main part 100 installation through strengthening sealing mechanism when closing the pump cover, and more seal up during the installation, be difficult for the deformation leakage when receiving the extrusion, improve the sealed effect when mechanical seal pad main part 100 installs.
In order to facilitate the use of the mechanical seal gasket body 100 by reinforcing the compression seal during the installation and the installation of the mechanical seal gasket body 100 by reinforcing the seal during the installation of the centrifugal pump, in this embodiment, preferably, the reinforcing seal assembly includes seal auxiliary gaskets 1011 disposed at the edges of both sides of the flexible connection ring 101, and the seal auxiliary gaskets 1011 are of an annular structure, the seal is reinforced by the seal auxiliary gaskets 1011 during the installation of the mechanical seal gasket body 100, and the installation sealing effect of the mechanical seal gasket body 100 is improved.
In order to facilitate the use of reinforcing the elastic seal when the mechanical seal gasket main body 100 is mounted in a sealing manner, and facilitate the spacing connection when the mechanical seal gasket main body 100 is mounted in a sealing manner, in this embodiment, preferably, the elastic spacing connection assembly comprises a groove 1018 formed at two side edges of the flexible connection ring 101, and the side surface of the sealing auxiliary gasket 1011 is embedded into the groove 1018, an elastic ring D1017 is fixed in the groove 1018 through glue solution bonding, the surface of the elastic ring D1017 is elastically connected with a spacing ring B1016, the elastic connection is facilitated, the surface of the spacing ring B1016 and the surface of the sealing auxiliary gasket 1011 are fixedly connected through glue solution bonding, and the sealing auxiliary gasket 1011 is elastically spacing connected through the spacing ring B1016, and the sealing auxiliary gasket 1011 is easily mounted in a sealing manner in a reinforcing manner when the sealing installation is facilitated, the inside of the groove 1018 is conveniently and elastically mounted, the spacing ring B1016 is of a ring structure, and the outer surface of the spacing ring B1016 is matched with the inner surface structure of the groove 1018.
Strengthen fixed establishment, and this strengthen fixed establishment including installation component and elasticity reinforcement component, strengthen fixed establishment setting in flexible coupling ring 101's internal surface edge, when the centrifugal pump body edge is closed with mechanical seal pad main part 100, strengthen the fixity to mechanical seal pad main part 100 closure installation by strengthening fixed establishment, and be difficult for the deformation damage when receiving the extrusion, and consolidate the installation, fixed sealed effect when improving mechanical seal pad main part 100 installation centrifugal pump.
In order to facilitate the installation of the elastic ring C1015 and the flexible fixing ring 1012 through the installation component, and facilitate the installation and the elastic connection of the flexible fixing ring 1012 through the elastic ring C1015, in this embodiment, preferably, the installation component includes a built-in flexible installation frame 1013 fixed at the edge of the inner surface of the flexible connection ring 101 through glue, and the built-in flexible installation frame 1013 is embedded into the flexible connection ring 101, so that the elastic ring C1015 and the flexible fixing ring 1012 are installed in the built-in flexible installation frame 1013, and the installation and the use are facilitated.
In order to facilitate the elastic compression mounting of the mechanical gasket body 100 when the mechanical gasket body 100 is mounted and used, and to facilitate the reinforcement of the tightness of the mounting of the mechanical gasket body 100 when the mechanical gasket body 100 is closed, in this embodiment, preferably, the elastic reinforcement assembly includes an elastic ring C1015 fixed inside the built-in flexible mounting frame 1013 by glue, the surface of the elastic ring C1015 is elastically connected with a limiting ring a1014, the surface of the limiting ring a1014 is fixed with a flexible fixing ring 1012 by glue, the flexible fixing ring 1012 is elastically connected by the elastic ring C1015, and the mechanical gasket body 100 is closed, and is tightly compressed and mounted at the edge of the pump body by the flexible fixing ring 1012, so as to facilitate the elastic compression limiting connection of the flexible fixing ring 1012, and not easy to deform and break off when the mechanical gasket body is compressed and mounted, so as to enhance the compression mounting, the side surface of the flexible fixing ring 1013 is embedded inside the built-in flexible mounting frame 1013, and the inside of the built-in flexible fixing ring 1012 is in limit-in limit connection by the limiting ring a1014, so that the flexible fixing ring 1012 is controlled when the inside of the built-in flexible mounting frame 1013 is elastically connected by the limiting ring a 1014.
The working principle and the using flow of the utility model are as follows: the mechanical seal structure of the centrifugal pump is characterized in that when in use, the mechanical seal structure is directly closed at the edge of the pump body of the centrifugal pump through the flexible connecting ring 101, so that the mechanical seal gasket main body 100 is closed and installed through the flexible connecting ring 101, the limiting ring A1014 and the flexible fixing ring 1012 are elastically pressed at the edge of the end part of the pump body through deformation of the elastic ring C1015 during sleeving installation, the limiting ring A1014 is used for limiting when the flexible fixing ring 1012 is elastically connected, and the mechanical seal gasket main body 100 is conveniently and firmly installed through deformation of the flexible fixing ring 1012 and pressed at the edge of the pump body, so that the mechanical seal gasket main body 100 is fixedly installed, deformation is not easy to be generated during installation, the sealing installation fixity of the mechanical seal gasket main body 100 during installation and use is improved, and when the mechanical seal gasket main body 100 is extruded and sealed, the built-in flexible mounting frame 1013 is slightly pressed and is not easy to deform and damage, and is still elastically pressed and fixed;
then when mechanical seal pad main part 100 is closed in the marginal department of the centrifugal pump body, the pump lid is closed this moment, therefore when extrusion installation pump lid is closed, receive the effect that the extrusion drove elastic ring D1017 to take place deformation at the inside of recess 1018 at this moment at sealed auxiliary pad 1011 with spacing ring B1016 and sealed auxiliary pad 1011 elastic connection, make sealed auxiliary pad 1011 strengthen sticis in the surface of the pump body and pump lid, seal effect when sealing auxiliary pad 1011 elastic connection strengthens mechanical seal pad main part 100 installation, thereby be convenient for strengthen sealing when extrusion installation, and be difficult for causing mechanical seal pad main part 100 extrusion to produce deformation and take place to leak, strengthen mechanical seal pad main part 100's elastic seal, it strengthens sealed effect when centrifugal pump installation use to improve mechanical seal pad main part 100.
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. A mechanical seal structure of a centrifugal pump, comprising a mechanical seal gasket body (100), the mechanical seal gasket body (100) comprising a flexible connection ring (101), characterized in that: the mechanical gasket body (100) is also provided with:
the reinforced sealing mechanism comprises a reinforced sealing assembly and an elastic limit connecting assembly, and the reinforced sealing mechanism is arranged at two sides of the flexible connecting ring (101);
and the reinforcing fixing mechanism comprises a mounting assembly and an elastic reinforcing assembly, and is arranged at the edge of the inner surface of the flexible connecting ring (101).
2. A mechanical seal structure for a centrifugal pump according to claim 1, wherein: the reinforcing seal assembly comprises sealing auxiliary gaskets (1011) arranged at two side edges of the flexible connecting ring (101), and the sealing auxiliary gaskets (1011) are of annular structures.
3. A mechanical seal structure for a centrifugal pump according to claim 2, wherein: the elastic limit connecting assembly comprises grooves (1018) formed in the edges of two sides of a flexible connecting ring (101), the side faces of the sealing auxiliary pads (1011) are embedded into the grooves (1018), elastic rings D (1017) are fixed in the grooves (1018) through glue solution adhesion, limit rings B (1016) are elastically connected to the surfaces of the elastic rings D (1017), and the surfaces of the limit rings B (1016) are fixedly connected with the surfaces of the sealing auxiliary pads (1011) through glue solution adhesion.
4. A mechanical seal for a centrifugal pump according to claim 3, wherein: the limiting ring B (1016) is of an annular structure, and the outer surface of the limiting ring B (1016) is matched with the inner surface structure of the groove (1018).
5. A mechanical seal structure for a centrifugal pump according to claim 1, wherein: the mounting assembly comprises a built-in flexible mounting frame (1013) fixed at the edge of the inner surface of the flexible connecting ring (101) through glue solution adhesion, and the built-in flexible mounting frame (1013) is embedded into the flexible connecting ring (101).
6. A mechanical seal for a centrifugal pump according to claim 5, wherein: the elastic reinforcing component comprises an elastic ring C (1015) which is fixed inside the built-in flexible mounting frame (1013) through glue solution adhesion, a limiting ring A (1014) is elastically connected to the surface of the elastic ring C (1015), and a flexible fixing ring (1012) is fixed on the surface of the limiting ring A (1014) through glue solution adhesion.
7. The mechanical seal of a centrifugal pump according to claim 6, wherein: the side surface of the flexible fixing ring (1012) is embedded into the inner part of the built-in flexible mounting frame (1013), and the flexible fixing ring (1012) is in limit connection with the inner part of the built-in flexible mounting frame (1013) through the limit ring A (1014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640529.0U CN220037023U (en) | 2023-06-27 | 2023-06-27 | Mechanical sealing structure of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640529.0U CN220037023U (en) | 2023-06-27 | 2023-06-27 | Mechanical sealing structure of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037023U true CN220037023U (en) | 2023-11-17 |
Family
ID=88742055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321640529.0U Active CN220037023U (en) | 2023-06-27 | 2023-06-27 | Mechanical sealing structure of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037023U (en) |
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2023
- 2023-06-27 CN CN202321640529.0U patent/CN220037023U/en active Active
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| GR01 | Patent grant |