CN219262634U - Mechanical sealing part structure for vacuum pump - Google Patents
Mechanical sealing part structure for vacuum pump Download PDFInfo
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- CN219262634U CN219262634U CN202320342272.4U CN202320342272U CN219262634U CN 219262634 U CN219262634 U CN 219262634U CN 202320342272 U CN202320342272 U CN 202320342272U CN 219262634 U CN219262634 U CN 219262634U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to a mechanical sealing part structure for a vacuum pump, which comprises a mechanical sealing assembly, a mechanical sealing gland, an outer square pipe plug, a pin and a side cover; the machine seal gland and the side cover are fixed together, the machine seal assembly is fixed through a pin and the machine seal gland, the machine seal assembly is arranged between the machine seal gland and the pump shaft, and the machine seal gland and the pump shaft are fixed through a pin shaft; the machine seal gland is provided with a pipe plugging hole for installing an external square pipe plug. According to the utility model, the mechanical seal compression ring and the mechanical seal gland are unified into one part, and no additional machining of a matching surface is needed during machining, so that the accumulated error is reduced, the accuracy of the machined part is higher, and the service life of the mechanical seal is prolonged. During assembly, additional working procedures are reduced, and time cost and assembly difficulty of workers are reduced. The structure of the utility model reduces the processing error, prolongs the service life of the mechanical seal, reduces the process steps and the processing cost, and greatly reduces the assembly difficulty.
Description
Technical Field
The utility model relates to a mechanical sealing part structure, in particular to a mechanical sealing part structure for a vacuum pump, which unifies a common mechanical sealing compression ring and a common mechanical sealing gland into one part, does not need to additionally process a matching surface during processing, and reduces accumulated errors.
Background
The 2BEX pump mechanical seal is protected using mechanical seal components, and existing mechanical seal components are protected and sealed using a mechanical seal compression ring and a mechanical seal gland in cooperation.
Fig. 1 is a structure of a mechanical seal part which is commonly used at present and is protected by using a mechanical seal pressing ring and a mechanical seal pressing cover in a matched manner. As shown in fig. 1: an organic sealing compression ring 4' is arranged between the side cover 5' and the mechanical sealing gland 2', the side cover 5', the mechanical sealing gland 2' and the mechanical sealing compression ring 4' are fixed together through screws 6', an outer square pipe plug 3' is arranged on the mechanical sealing gland 2', an organic sealing assembly 1' is arranged between the mechanical sealing gland 2', the mechanical sealing compression ring 4' and a pump shaft 7', the sizes of an outer ring and an inner ring of the mechanical sealing compression ring are identical to those of the mechanical sealing gland, but the mechanical sealing compression ring and the mechanical sealing gland are matched, and in the aspect of processing, two surfaces are required to be processed. Meanwhile, the machine seal compression ring and the machine seal gland are required to be calibrated during assembly through bolt connection.
More machining surfaces will accumulate more machining errors, and at the same time, additional process procedures will be added during assembly, and the assembly time cost will also be increased.
Disclosure of Invention
In view of the above problems, a main object of the present utility model is to provide a mechanical seal component structure for a vacuum pump, which unifies a common mechanical seal ring and a common mechanical seal gland into one part, and does not need to additionally process a mating surface during processing, thereby reducing accumulated errors.
The utility model solves the technical problems by the following technical proposal: the utility model provides a mechanical sealing component structure for a vacuum pump, which comprises the following components: the machine seal assembly, the machine seal gland, the outer square pipe plug, the pin and the side cover;
the machine sealing gland and the side cover are fixed together, and the machine sealing assembly is fixed by a pin and the machine sealing gland;
an organic sealing assembly is arranged between the mechanical sealing gland and the pump shaft, and the mechanical sealing gland is fixed with the pump shaft by a pin shaft;
the machine seal gland is provided with a pipe plugging hole for installing an external square pipe plug.
In the concrete implementation example of the utility model, the machine sealing gland and the side cover are in direct contact, the part of the machine sealing gland, which is in direct contact with the side cover, is provided with a convex part, and the side cover is provided with a groove matched with the convex part.
In the concrete implementation example of the utility model, a plurality of evenly distributed bolt holes are arranged on the mechanical seal gland, and the mechanical seal gland and the side cover are fixedly connected together through bolts.
In a specific embodiment of the present utility model, four bolt holes are provided.
In a specific embodiment of the utility model, the plug hole is a counter bore with a surface diameter greater than an inner diameter.
In a specific embodiment of the utility model, a sealing ring is arranged between the mechanical seal gland and the mechanical seal assembly.
The utility model has the positive progress effects that: the mechanical seal compression ring and the mechanical seal gland are integrated, so that the process procedures are reduced in the process, the errors in the processing are reduced, the assembly procedures are reduced in the assembly, and the capital input of manpower and material resources is saved.
Drawings
Fig. 1 is a structure of a mechanical seal part which is commonly used at present and is protected by using a mechanical seal pressing ring and a mechanical seal pressing cover in a matched manner.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic structural diagram of a mechanical seal gland according to the present utility model.
Fig. 4 is a cross-sectional view A-A of fig. 3.
The following are names corresponding to the reference numerals in the present utility model:
the mechanical seal assembly 1, the mechanical seal gland 2, the outer square pipe plug 3, the pin 4, the side cover 5, the bolt 6, the pump shaft 7 and the sealing ring 8.
Detailed Description
The following description of the preferred embodiments of the present utility model is given with reference to the accompanying drawings, so as to explain the technical scheme of the present utility model in detail.
Fig. 2 is a schematic structural view of the present utility model, and as shown in fig. 2, the present utility model provides a mechanical seal component structure for a vacuum pump, including: the machine seal assembly 1, the machine seal gland 2, the outer square pipe plug 3, the pin 4 and the side cover 5; the mechanical seal gland 2 and the side cover 5 are fixed together, and the mechanical seal assembly 1 is fixed with the mechanical seal gland 2 through a pin 4.
An organic sealing assembly 1 is arranged between the mechanical sealing gland 2 and the pump shaft 7, and the mechanical sealing gland 2 and the pump shaft 7 are fixed by a pin shaft 4; the mechanical seal gland 2 is provided with a pipe plugging hole for installing the outer square pipe plug 3.
The machine seal gland 2 is in direct contact with the side cover 5, a convex part 201 is arranged at the part where the machine seal gland 2 is in direct contact with the side cover 5, and a groove 501 matched with the convex part is arranged on the side cover 5.
Fig. 3 is a schematic structural view of a mechanical seal gland according to the present utility model, fig. 4 is a sectional view A-A of fig. 3, and as shown in fig. 3 and 4, a plurality of uniformly distributed bolt holes are provided on the mechanical seal gland 2, and the mechanical seal gland 2 and a side cover 5 are fixedly connected together by bolts 6. In a specific implementation, four bolt holes are formed.
The pipe plugging hole 3 is a counter bore with the surface diameter larger than the inner diameter, and a sealing ring 8 is arranged between the machine sealing gland 2 and the machine sealing component 1.
The mechanical seal gland is of a circular ring structure and is a main part, and plays roles in connecting all parts and fixing mechanical seal. The external square pipe plug is canceled when the machine seal is used for supplying water outside, and the external square pipe plug is plugged when the machine seal is used for supplying water inside to prevent leakage.
According to the utility model, the mechanical seal compression ring and the mechanical seal gland are unified into one part, and no additional machining of a matching surface is needed during machining, so that the accumulated error is reduced, the accuracy of the machined part is higher, and the service life of the mechanical seal is prolonged.
And secondly, because the mechanical seal pressing ring and the mechanical seal pressing cover are unified into one part, during assembly, extra working procedures are reduced, and the time cost and the assembly difficulty of workers are reduced.
The structure of the utility model reduces the processing error, prolongs the service life of the mechanical seal, reduces the process steps and the processing cost, and greatly reduces the assembly difficulty.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mechanical seal part structure for vacuum pump which characterized in that: the mechanical seal component structure for the vacuum pump comprises: the machine seal assembly, the machine seal gland, the outer square pipe plug, the pin and the side cover;
the machine sealing gland and the side cover are fixed together, and the machine sealing assembly is fixed by a pin and the machine sealing gland;
an organic sealing assembly is arranged between the mechanical sealing gland and the pump shaft, and the mechanical sealing gland is fixed with the pump shaft by a pin shaft;
the machine seal gland is provided with a pipe plugging hole for installing an external square pipe plug.
2. The mechanical seal component structure for a vacuum pump according to claim 1, wherein: the machine seal gland is in direct contact with the side cover, a protruding part is arranged at the part where the machine seal gland is in direct contact with the side cover, and a groove matched with the protruding part is arranged on the side cover.
3. The mechanical seal component structure for a vacuum pump according to claim 1, wherein: the machine seal gland is provided with a plurality of evenly distributed bolt holes, and the machine seal gland and the side cover are fixedly connected together through bolts.
4. A mechanical seal component structure for a vacuum pump according to claim 3, wherein: the number of the bolt holes is four.
5. The mechanical seal component structure for a vacuum pump according to claim 1, wherein: the plugging hole is a counter bore with the surface diameter larger than the inner diameter.
6. The mechanical seal component structure for a vacuum pump according to claim 1, wherein: a sealing ring is arranged between the machine sealing gland and the machine sealing component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320342272.4U CN219262634U (en) | 2023-02-28 | 2023-02-28 | Mechanical sealing part structure for vacuum pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320342272.4U CN219262634U (en) | 2023-02-28 | 2023-02-28 | Mechanical sealing part structure for vacuum pump |
Publications (1)
Publication Number | Publication Date |
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CN219262634U true CN219262634U (en) | 2023-06-27 |
Family
ID=86854169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320342272.4U Active CN219262634U (en) | 2023-02-28 | 2023-02-28 | Mechanical sealing part structure for vacuum pump |
Country Status (1)
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CN (1) | CN219262634U (en) |
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2023
- 2023-02-28 CN CN202320342272.4U patent/CN219262634U/en active Active
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