CN215170691U - Adjustable mechanical seal cavity structure for pump - Google Patents
Adjustable mechanical seal cavity structure for pump Download PDFInfo
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- CN215170691U CN215170691U CN202121389992.3U CN202121389992U CN215170691U CN 215170691 U CN215170691 U CN 215170691U CN 202121389992 U CN202121389992 U CN 202121389992U CN 215170691 U CN215170691 U CN 215170691U
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Abstract
The utility model relates to a pump is with adjustable machine seal chamber structure belongs to pump equipment technical field. The pump comprises a pump body, wherein a machine seal cavity is detachably connected to the top of the pump body, the machine seal cavity is of an integral cylindrical structure with an installation step, a vertical pump shaft cavity is arranged inside the machine seal cavity, an inward concave annular sealing ring groove is formed in the inner edge of the bottom of the installation step and used for installing a sealing ring, the machine seal cavity is in sealing connection with the top of the pump body, a mechanical seal is detachably connected to the top of the machine seal cavity, and the mechanical seal is rotatably provided with a pump shaft along the axial position. The utility model discloses a pump is with adjustable machine seal chamber structure, the machine that has changed the pump seals chamber and pump structure as an organic whole, can only dispose fixed mechanical seal's current situation according to fixed standard during the pump design, very big change mechanical seal standard and the condition of change pump body structure takes place, and application prospect is wide.
Description
Technical Field
The utility model relates to a pump is with adjustable machine seal chamber structure belongs to pump equipment technical field.
Background
At present, the pump is a general mechanical device, is widely applied to the fields of petrifaction, chemical engineering, water injection, crude oil transportation, low-temperature methanol washing, lean amine liquid, offshore platforms and the like, has good performance no matter on land or on the offshore platforms, and occupies an important position. The mechanical seal cavity of the pump and the pump are of an integrated structure, and the pump can only be designed according to a fixed standard to configure a fixed mechanical seal; when replacing other standard seals in order to meet corresponding working conditions, the old design cannot meet the use requirement, the mold may need to be temporarily modified for changing, the integral workload is large, and the economical efficiency is poor.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an adjustable mechanical seal cavity structure for a pump, so that the adjustable mechanical seal cavity structure has industrial application value.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a pump is with adjustable machine seal chamber structure. The adjustable mechanical seal cavity structure for the pump changes the structure that the mechanical seal cavity of the pump and the pump are integrated, and the pump can only be designed according to the current situation of fixed mechanical seal according to fixed standards; the current situations that when other standard seals are replaced to meet corresponding working conditions, the old design cannot meet the use requirement, a mold is possibly required to be temporarily modified for changing, the integral workload is large, and the economical efficiency is poor are changed; the condition that the pump body structure is changed due to the change of the mechanical seal standard is greatly avoided, and the application prospect is wide.
The utility model relates to an adjustable mechanical seal cavity structure for a pump, which comprises a pump body,
the pump body top detachable is connected with the machine seal cavity, the machine seal cavity is the whole cylindrical structure who has the installation step, the inside vertical pump shaft chamber that is equipped with of machine seal cavity, be equipped with the annular seal ring groove of indent ring shape on the inner edge of installation step bottom for the installation sealing washer realizes the sealing connection at machine seal cavity and pump body top, machine seal cavity top detachable is connected with mechanical seal, mechanical seal is along the rotatable pump shaft that installs of axial position.
Furthermore, the top of the pump body is provided with a circular opening, and the surface of the circular opening is uniformly provided with a plurality of screw fixing holes.
Furthermore, a plurality of stud mounting holes are formed in the mounting step, and the positions of the stud mounting holes are matched with the positions of the screw fixing holes in the top of the pump body. The mechanical seal cavity is arranged on the top of the pump body in a limiting manner.
Further, the outer diameter of the cylindrical structure at the bottom of the mechanical seal cavity is equal to the diameter of the circular opening at the top of the pump body, the mounting step is also of a cylindrical structure, and the diameter of the mounting step is larger than that of the circular opening at the top of the pump body. The pump body is fixed on the top of the pump body through the installation step.
Furthermore, a plurality of studs are further arranged on the mechanical seal cavity, and the number of the studs is equal to the number of the screw fixing holes and the stud mounting holes.
Furthermore, the stud sequentially penetrates through the mechanical seal, the mechanical seal cavity and the pump body from top to bottom and is fixedly connected with the mechanical seal, the pump shaft and the mechanical seal cavity through bottom threads and screw fixing holes, and the mechanical seal, the pump shaft and the mechanical seal cavity are fixed into an integral structure through nuts at the top of the stud.
By the scheme, the invention at least has the following advantages:
the adjustable mechanical seal cavity structure for the pump changes the structure that the mechanical seal cavity of the pump and the pump are integrated, and the pump can only be designed according to the current situation of fixed mechanical seal according to fixed standards; the current situations that when other standard seals are replaced to meet corresponding working conditions, the old design cannot meet the use requirement, a mold is possibly required to be temporarily modified for changing, the integral workload is large, and the economical efficiency is poor are changed; the condition that the pump body structure is changed due to the change of the mechanical seal standard is greatly avoided, and the application prospect is wide.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of an adjustable mechanical seal cavity structure for a pump according to the present invention;
FIG. 2 is a schematic view of the expanded structure of the adjustable mechanical seal cavity structure for a pump according to the present invention;
FIG. 3 is a schematic structural view of a mechanical seal cavity in an adjustable mechanical seal cavity structure for a pump according to the present invention;
FIG. 4 is a schematic view of an internal perspective structure of a mechanical seal cavity in an adjustable mechanical seal cavity structure for a pump according to the present invention;
wherein, in the figure;
1. a pump body; 2. a seal ring; 3. a machine seal cavity; 4. mechanical sealing; 5. a nut; 6. a stud; 7. a pump shaft; 11. a screw fixing hole; 31. stud mounting holes; 32. a seal ring groove; 33. mounting a step; 34. a pump shaft cavity.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, an adjustable mechanical seal cavity structure for a pump according to a preferred embodiment of the present invention includes a pump body 1,
the sealing structure is characterized in that a circular opening is formed in the top of the pump body 1, a plurality of screw fixing holes 11 are uniformly formed in the surface of the circular opening, a machine seal cavity 3 is detachably connected to the top of the pump body 1, the machine seal cavity 3 is of an integral cylindrical structure with an installation step 33, a vertical pump shaft cavity 34 is formed in the machine seal cavity 3, a plurality of stud installation holes 31 are formed in the installation step 33, the positions of the stud installation holes 31 and the positions of the screw fixing holes 11 in the top of the pump body 1 are matched and arranged for limiting and installing the machine seal cavity 3 at the top of the pump body 1, an inwards concave circular sealing ring groove 32 is formed in the inner edge of the bottom of the installation step 33 and used for installing a sealing ring 2 to achieve sealing connection between the machine seal cavity 3 and the top of the pump body 1, the outer diameter of the cylindrical structure at the bottom of the machine seal cavity 3 is equal to the diameter of the circular opening in the top of the pump body 1, the installation step 33 is also of a cylindrical structure, the diameter of the mounting step 33 is larger than that of the circular opening at the top of the pump body 1, and the mounting step 33 is clamped and fixed at the top of the pump body 1;
The working principle of the utility model is as follows:
the utility model discloses an adjustable machine seals chamber structure for pump is in the in-service use in-process, installs mechanical seal 4 and machine seal cavity 3 on pump body 1 through nut 5, double-screw bolt 6 to realize the sealing connection between machine seal cavity 3 and the pump body 1 through the sealing washer, later stage according to different operation requirements, the configuration different size standards mechanical seal 4 can, pump body 1 need not change; the use can be satisfied only by configuring the corresponding machine seal cavity 3; the mechanical seal 4 and the mechanical seal cavity 3 which need to be configured and have different sizes can be prefabricated in advance, the mechanical seal 4 with different standards can be replaced at any time by the whole pump, a manufacturing die does not need to be temporarily modified, and a large amount of workload is saved. The utility model discloses an adjustable mechanical seal cavity structure for a pump, which changes the structure that the mechanical seal cavity of the pump and the pump are integrated, and the pump can only be designed according to the current situation of fixed mechanical seal; the current situations that when other standard seals are replaced to meet corresponding working conditions, the old design cannot meet the use requirement, a mold is possibly required to be temporarily modified for changing, the integral workload is large, and the economical efficiency is poor are changed; the condition that the pump body structure is changed due to the change of the mechanical sealing standard is greatly avoided.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a cavity structure is sealed to adjustable machine for pump, includes the pump body, its characterized in that:
the pump comprises a pump body and is characterized in that a machine seal cavity is detachably connected to the top of the pump body, the machine seal cavity is of an integral cylindrical structure with an installation step, a vertical pump shaft cavity is arranged inside the machine seal cavity, an inward concave annular sealing ring groove is formed in the inner edge of the bottom of the installation step and used for installing a sealing ring, a mechanical seal is detachably connected to the top of the machine seal cavity, and a pump shaft is rotatably installed on the mechanical seal along the axial position.
2. The adjustable mechanical seal cavity structure for the pump according to claim 1, wherein: the pump body top is equipped with circular opening, evenly is provided with a plurality of screw fixed orifices on circular opening surface.
3. The adjustable mechanical seal cavity structure for the pump according to claim 1, wherein: the mounting step is provided with a plurality of stud mounting holes, and the positions of the stud mounting holes are matched with the positions of the screw fixing holes in the top of the pump body.
4. The adjustable mechanical seal cavity structure for the pump according to claim 1, wherein: the outer diameter of the cylindrical structure at the bottom of the mechanical seal cavity is equal to the diameter of the circular opening at the top of the pump body, the mounting step is also of a cylindrical structure, and the diameter of the mounting step is larger than that of the circular opening at the top of the pump body.
5. The adjustable mechanical seal cavity structure for the pump according to claim 1, wherein: the mechanical seal cavity is also provided with a plurality of studs, and the number of the studs is equal to that of the screw fixing holes and the stud mounting holes.
6. The adjustable mechanical seal cavity structure for the pump according to claim 5, wherein: the screw bolt sequentially penetrates through the mechanical seal, the mechanical seal cavity and the pump body from top to bottom and is fixedly connected with the screw fixing hole through bottom threads, and the mechanical seal, the pump shaft and the mechanical seal cavity are fixed into an integral structure through a nut at the top of the screw bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389992.3U CN215170691U (en) | 2021-06-22 | 2021-06-22 | Adjustable mechanical seal cavity structure for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389992.3U CN215170691U (en) | 2021-06-22 | 2021-06-22 | Adjustable mechanical seal cavity structure for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215170691U true CN215170691U (en) | 2021-12-14 |
Family
ID=79385800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121389992.3U Active CN215170691U (en) | 2021-06-22 | 2021-06-22 | Adjustable mechanical seal cavity structure for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215170691U (en) |
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2021
- 2021-06-22 CN CN202121389992.3U patent/CN215170691U/en active Active
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