CN215860939U - Mechanical seal shaft sleeve convenient to disassemble - Google Patents
Mechanical seal shaft sleeve convenient to disassemble Download PDFInfo
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- CN215860939U CN215860939U CN202121866733.5U CN202121866733U CN215860939U CN 215860939 U CN215860939 U CN 215860939U CN 202121866733 U CN202121866733 U CN 202121866733U CN 215860939 U CN215860939 U CN 215860939U
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- shaft sleeve
- sleeve body
- positioning seat
- mechanical seal
- mounting piece
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Abstract
The utility model discloses a mechanical seal shaft sleeve convenient to disassemble, which comprises a positioning seat, an outer mounting piece and an inner mounting piece, wherein the positioning seat is installed at the top of a shaft sleeve body, an assembling pipe matched with the shaft sleeve body is welded at the top of the shaft sleeve body, an outer rubber sealing ring matched with the shaft sleeve body is bonded at the bottom of the positioning seat, the outer mounting piece is welded at the top of the positioning seat, and first threaded mounting holes are uniformly formed in the outer mounting piece. When the wear-resistant shaft sleeve is used, on one hand, the anti-sticking and corrosion-resistant effects of the inner wall of the shaft sleeve body are improved by arranging the Teflon non-stick layer on the inner wall of the shaft sleeve body, and on the other hand, the wear-resistant protection performance of the outer wall of the shaft sleeve body is improved by arranging the silicon carbide wear-resistant layer on the outer wall of the shaft sleeve body.
Description
Technical Field
The utility model relates to the technical field of mechanical seal shaft sleeves, in particular to a mechanical seal shaft sleeve convenient to disassemble.
Background
Along with the development of social economy and the improvement of awareness of users on safety, environmental protection and the like, the application of mechanical seal in the field of pump products is more and more extensive, the requirements of users on the quality and the use performance of the mechanical seal products are higher and higher, the shaft sleeve is used as one of key components of the mechanical seal, the shaft sleeve has the functions of transmission and mounting of a dynamic friction ring, the quality state of the shaft sleeve directly influences the performance of the mechanical seal, but the existing mechanical seal shaft sleeve still has the defects of difficult disassembly and assembly, difficult positioning and assembly, single sealing structure and difficult comprehensive sealing during actual use, and the long-term popularization of the shaft sleeve component is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mechanical seal shaft sleeve convenient to disassemble, so as to solve the problems of difficult disassembly and assembly, difficult positioning and assembly and single seal structure in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mechanical seal axle sleeve convenient to dismantle, includes positioning seat, outer installed part and interior installed part, the positioning seat is installed in the top of axle sleeve body, just the top welding of axle sleeve body have with axle sleeve body assorted assembly pipe, the bottom of positioning seat bond have with axle sleeve body assorted outer rubber seal ring, outer installed part welds in the top of positioning seat, just evenly be provided with first screw thread mounting hole on the outer installed part, interior installed part welds in the inside bottom of axle sleeve body, just evenly be provided with second screw thread mounting hole on the interior installed part, the top of interior installed part inner wall bonds and has second silica gel sealing washer, just the bottom of interior installed part inner wall bonds and has first silica gel sealing washer.
Preferably, the shaft sleeve body is of a hollow structure, a stainless steel base layer is arranged inside the side wall of the shaft sleeve body, and the positioning seat is made of stainless steel, so that the strength of the shaft sleeve part is improved.
Preferably, the inner side wall of the shaft sleeve body is provided with a Teflon non-stick layer, so that the anti-sticking and anti-corrosion effects of the inner wall of the shaft sleeve body are improved.
Preferably, the outer side wall of the shaft sleeve body is provided with a silicon carbide wear-resistant layer, so that the wear resistance of the outer wall of the shaft sleeve body is improved.
Preferably, the vertical center line of the positioning seat and the vertical center line of the shaft sleeve body are on the same vertical line, so that the structure of the shaft sleeve part is optimized, and the firmness is enhanced.
Preferably, an inner rubber sealing ring matched with the assembling pipe is bonded at the top end inside the positioning seat, so that the sealing performance of the positioning seat and the assembling pipe during assembling is improved.
Preferably, the outer side wall of the assembling pipe is provided with external threads, and the inner side wall of the positioning seat is provided with internal threads matched with the external threads, so that the shaft sleeve component has the advantages of being combined and convenient to detach and maintain.
Preferably, interior installed part and axle sleeve body welded connection, the cross section of interior installed part and outer installed part all is the annular, the dismouting operation of the axle sleeve part of being convenient for.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the mechanical seal shaft sleeve convenient to disassemble optimizes the structure of the shaft sleeve component by installing the outer installation component, the assembly pipe and the positioning seat, and when the mechanical seal shaft sleeve is used, on one hand, a user can firstly utilize the action of the outer installation component and the first threaded installation hole arranged on the outer installation component, pre-assemble the positioning seat in the corresponding shell through screws, and then the user can utilize the threaded connection action between the assembly pipe and the positioning seat to assemble the positioning seat and the shaft sleeve body, so that the shaft sleeve component has the advantages of positioning and assembling through pre-assembling and assembling, the accuracy of an assembly position is improved, on the other hand, the assembly structure formed by the inner installation component, the outer installation component and the like is utilized, and the shaft sleeve component is convenient to disassemble, assemble and maintain on the shell;
(2) when the mechanical sealing shaft sleeve convenient to disassemble is used, on one hand, the anti-sticking and corrosion-resisting effects of the inner wall of the shaft sleeve body are improved by arranging the Teflon non-stick layer on the inner wall of the shaft sleeve body, on the other hand, the wear-resisting and protecting properties of the outer wall of the shaft sleeve body are improved by arranging the silicon carbide wear-resisting layer on the outer wall of the shaft sleeve body, and the strength of the shaft sleeve part is improved by adopting stainless steel as the whole material of the shaft sleeve part;
(3) this mechanical seal axle sleeve convenient to dismantle is through installing interior installed part, second silica gel sealing washer and assembly pipe, when making axle sleeve part in-service use, on the one hand there is the second silica gel sealing washer through the top bonding of installed part inner wall including, and the bottom bonding of installed part inner wall has first silica gel sealing washer including, utilize double seal structure, the sealing performance of axle sleeve body bottom assembly department has been promoted, on the other hand through the inside top bonding of positioning seat have with assembly pipe assorted interior rubber seal ring, and be provided with outer rubber seal ring through the bottom at the positioning seat, sealing performance when having promoted positioning seat and assembly pipe equipment, thereby through multistage seal structure, the holistic sealed effect of axle sleeve part has been promoted.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic top view of the positioning base of the present invention;
fig. 5 is a schematic cross-sectional front view of the inner mount of the present invention.
In the figure: 1. a shaft sleeve body; 2. an outer rubber seal ring; 3. positioning seats; 4. an inner rubber sealing ring; 5. an outer mounting member; 6. assembling a pipe; 7. an inner mount; 8. a Teflon non-stick layer; 9. a silicon carbide wear layer; 10. a stainless steel base layer; 11. a first threaded mounting hole; 12. a first silica gel sealing ring; 13. a second threaded mounting hole; 14. and a second silica gel sealing ring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: a mechanical seal shaft sleeve convenient to disassemble comprises a positioning seat 3, an outer mounting piece 5 and an inner mounting piece 7, wherein the positioning seat 3 is mounted at the top of a shaft sleeve body 1, and an assembling pipe 6 matched with the shaft sleeve body 1 is welded at the top of the shaft sleeve body 1;
an outer rubber sealing ring 2 matched with the shaft sleeve body 1 is bonded at the bottom of the positioning seat 3, an outer mounting piece 5 is welded at the top of the positioning seat 3, and first threaded mounting holes 11 are uniformly formed in the outer mounting piece 5;
the inner mounting piece 7 is welded at the bottom end inside the shaft sleeve body 1, second threaded mounting holes 13 are uniformly formed in the inner mounting piece 7, a second silica gel sealing ring 14 is bonded at the top of the inner wall of the inner mounting piece 7, and a first silica gel sealing ring 12 is bonded at the bottom of the inner wall of the inner mounting piece 7;
the shaft sleeve body 1 is of a hollow structure, a stainless steel base layer 10 is arranged inside the side wall of the shaft sleeve body 1, and the positioning seat 3 is made of stainless steel;
when the shaft sleeve component is used, the whole material of the shaft sleeve component is stainless steel, so that the strength of the shaft sleeve component is improved;
the inner side wall of the shaft sleeve body 1 is provided with a Teflon non-stick layer 8;
when in use, the Teflon non-stick layer 8 is utilized, so that the anti-sticking and corrosion-resistant effects of the inner wall of the shaft sleeve body 1 are improved;
the outer side wall of the shaft sleeve body 1 is provided with a silicon carbide wear-resistant layer 9;
when in use, the wear-resisting property of the outer wall of the shaft sleeve body 1 is improved by utilizing the silicon carbide wear-resisting layer 9;
the vertical center line of the positioning seat 3 and the vertical center line of the shaft sleeve body 1 are on the same vertical line;
the structure of the shaft sleeve component is optimized, and the firmness is enhanced;
an inner rubber sealing ring 4 matched with the assembling pipe 6 is bonded at the top end inside the positioning seat 3;
when in use, the sealing performance of the positioning seat 3 and the assembling pipe 6 is improved by utilizing the sealing effect of the inner rubber sealing ring 4;
the outer side wall of the assembling pipe 6 is provided with an external thread, and the inner side wall of the positioning seat 3 is provided with an internal thread matched with the external thread;
when the shaft sleeve component is used, a user can disassemble or assemble the positioning seat 3 and the shaft sleeve body 1 by utilizing the threaded connection effect between the assembling pipe 6 and the positioning seat 3, so that the shaft sleeve component has the combined advantage and is convenient to disassemble and maintain;
the inner mounting piece 7 is connected with the shaft sleeve body 1 in a welding mode, and the cross sections of the inner mounting piece 7 and the outer mounting piece 5 are both annular;
when the shaft sleeve component is used, the shaft sleeve body 1 can be installed through screws under the action of the inner installation piece 7 and the second threaded installation hole 13 arranged on the inner installation piece, so that the shaft sleeve component is convenient to disassemble and assemble.
When the embodiment of the application is used: the user can firstly use the function of the outer installation part 5 and the first thread installation hole 11 arranged on the outer installation part to pre-assemble the positioning seat 3 in the corresponding shell through screws, then the user can use the thread connection function between the assembly pipe 6 and the positioning seat 3 to assemble the positioning seat 3 and the shaft sleeve body 1, thereby realizing the advantages of positioning and assembling shaft sleeve parts through pre-assembling and assembling, improving the accuracy of the assembling position, finally the user can sleeve the dynamic friction ring and the screws on the mechanical sealing structure on the shaft sleeve body 1, then the function of the inner installation part 7 at the tail end of the shaft sleeve body 1 and the second thread installation hole 13 arranged on the inner installation part 7 is used to assemble the tail end of the shaft sleeve body 1 through screws, and the assembly structure formed by the inner installation part 7, the outer installation part 5 and the like is used for convenient disassembly and maintenance, during specific operation, on the one hand, the inner side wall of the shaft sleeve body 1 is provided with the Teflon non-stick layer 8, so that the anti-sticking and corrosion-resistant effects of the inner wall of the shaft sleeve body 1 are improved, and on the other hand, the outer side wall of the shaft sleeve body 1 is provided with the silicon carbide wear-resistant layer 9, so that the wear-resistant and protective performances of the outer wall of the shaft sleeve body 1 are improved.
Claims (8)
1. The mechanical seal shaft sleeve convenient to disassemble is characterized by comprising a positioning seat (3), an outer mounting piece (5) and an inner mounting piece (7), wherein the positioning seat (3) is installed at the top of a shaft sleeve body (1), an assembly pipe (6) matched with the shaft sleeve body (1) is welded at the top of the shaft sleeve body (1), an outer rubber sealing ring (2) matched with the shaft sleeve body (1) is bonded at the bottom of the positioning seat (3), the outer mounting piece (5) is welded at the top of the positioning seat (3), first threaded mounting holes (11) are uniformly formed in the outer mounting piece (5), the inner mounting piece (7) is welded at the bottom inside the shaft sleeve body (1), second threaded mounting holes (13) are uniformly formed in the inner mounting piece (7), and a second silica gel sealing ring (14) is bonded at the top of the inner wall of the inner mounting piece (7), and a first silica gel sealing ring (12) is bonded at the bottom of the inner wall of the inner mounting piece (7).
2. A readily removable mechanical seal cartridge as defined in claim 1, wherein: the shaft sleeve is characterized in that the shaft sleeve body (1) is of a hollow structure, a stainless steel base layer (10) is arranged inside the side wall of the shaft sleeve body (1), and the positioning seat (3) is made of stainless steel.
3. A readily removable mechanical seal cartridge as defined in claim 1, wherein: the inner side wall of the shaft sleeve body (1) is provided with a Teflon non-stick layer (8).
4. A readily removable mechanical seal cartridge as defined in claim 1, wherein: the outer side wall of the shaft sleeve body (1) is provided with a silicon carbide wear-resistant layer (9).
5. A readily removable mechanical seal cartridge as defined in claim 1, wherein: the vertical center line of the positioning seat (3) and the vertical center line of the shaft sleeve body (1) are on the same vertical line.
6. A readily removable mechanical seal cartridge as defined in claim 1, wherein: and an inner rubber sealing ring (4) matched with the assembling pipe (6) is bonded at the top end inside the positioning seat (3).
7. A readily removable mechanical seal cartridge as defined in claim 1, wherein: the outer side wall of the assembling pipe (6) is provided with external threads, and the inner side wall of the positioning seat (3) is provided with internal threads matched with the external threads.
8. A readily removable mechanical seal cartridge as defined in claim 1, wherein: interior installed part (7) and axle sleeve body (1) welded connection, the cross section of interior installed part (7) and outer installed part (5) all is the annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121866733.5U CN215860939U (en) | 2021-08-10 | 2021-08-10 | Mechanical seal shaft sleeve convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121866733.5U CN215860939U (en) | 2021-08-10 | 2021-08-10 | Mechanical seal shaft sleeve convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860939U true CN215860939U (en) | 2022-02-18 |
Family
ID=80327573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121866733.5U Active CN215860939U (en) | 2021-08-10 | 2021-08-10 | Mechanical seal shaft sleeve convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860939U (en) |
-
2021
- 2021-08-10 CN CN202121866733.5U patent/CN215860939U/en active Active
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