CN220891082U - Sealing structure of stirrer mechanical seal - Google Patents
Sealing structure of stirrer mechanical seal Download PDFInfo
- Publication number
- CN220891082U CN220891082U CN202322511014.7U CN202322511014U CN220891082U CN 220891082 U CN220891082 U CN 220891082U CN 202322511014 U CN202322511014 U CN 202322511014U CN 220891082 U CN220891082 U CN 220891082U
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- sealing
- fixed sleeve
- inner cavity
- shaped steel
- steel ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Accessories For Mixers (AREA)
Abstract
The utility model discloses a sealing structure of a stirrer mechanical seal, which comprises a stirring shaft, wherein a fixed base is arranged at the outer edge of the stirring shaft, a fixed sleeve is arranged at the top of the fixed base, a rubber ring sleeve is arranged on the inner wall of the bottom of an inner cavity of the fixed sleeve, a sealing assembly is arranged in the inner cavity of the fixed sleeve, and a top sealing cover is connected with the top thread of the inner cavity of the fixed sleeve; the sealing assembly comprises an S-shaped steel ring, wherein an S-shaped rubber ring is fixedly arranged on the inner wall of the S-shaped steel ring, and the shape of the S-shaped rubber ring is consistent with that of the S-shaped steel ring. The utility model has the following beneficial effects: solves the problems of complex sealing mechanism and poor sealing effect of the existing stirring shaft; and further solves the problem that the assembly process of the sealing framework of the existing stirrer is complex, so that a large amount of working hours are wasted.
Description
Technical Field
The utility model relates to the technical field of crystallization stirring equipment, in particular to a sealing structure of a stirrer mechanical seal.
Background
The stirrer is a core component of the crystallizer, and the stirrer has the functions of accelerating heat transfer and making the temperature of each part of the solution relatively uniform so as to promote the generation of crystal nuclei and the growth of crystals. The product has finer grains and is more uniform. The stirrer seal is a core in the core, and a sealing system is problematic, so that the negative pressure of the crystallizer is unstable, and production fluctuation is caused.
The stirring shaft of the existing stirrer is generally provided with a corresponding sealing structure, the sealing mechanism of the existing stirring shaft is complex, the sealing effect is poor, and the assembly process of the sealing structure of the existing stirrer is complex, so that a great amount of time is wasted.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a sealing structure of a stirrer mechanical seal, which has the advantages of strong practicability, good stability and good sealing effect, and solves the problem that a large amount of working hours are wasted due to complex assembly process of the sealing structure of the existing stirrer.
The utility model provides the following technical scheme: the stirrer comprises a stirring shaft 1, a fixed base 2 is arranged on the outer edge of the stirring shaft 1, a fixed sleeve 3 is arranged at the top of the fixed base 2, a rubber ring sleeve 4 is arranged on the inner wall of the bottom of an inner cavity of the fixed sleeve 3, a sealing component 5 is arranged in the inner cavity of the fixed sleeve 3, and a top sealing cover 7 is connected with the top thread of the inner cavity of the fixed sleeve 3; the seal assembly 5 comprises an S-shaped steel ring 501, wherein an S-shaped rubber ring 502 is fixedly arranged on the inner wall of the S-shaped steel ring 501, and the S-shaped rubber ring 502 is consistent with the shape of the S-shaped steel ring 501.
Further, the top end and the lower end of the S-shaped steel ring 501 are fixedly provided with clamping pieces 503, a short spring 504 is arranged on the periphery of the S-shaped rubber ring 502, and the short spring 504 is located between the two clamping pieces 503.
Further, the diameter of the top sealing cover 7 is consistent with that of the fixed sleeve 3, and a vertical groove 12 is formed in the outer edge of the top sealing cover 7.
Further, a square groove 8 is formed in the inner cavity of the top sealing cover 7, and a shaft sealing strip 9 is arranged on the inner wall of the square groove 8.
Further, the top of the fixed sleeve 3 and the bottom of the top sealing cover 7 are both provided with a circular groove 10, and the inner cavity of the circular groove 10 is provided with a cover sealing strip 11.
Further, the inner cavity of the fixed sleeve 3 is sleeved with a limiting cylinder 6, and the limiting cylinder 6 is positioned at the outer edge of the sealing assembly 5.
Compared with the prior art, the utility model has the following beneficial effects:
1. This seal structure of agitator machine seal uses through the cooperation of fixed sleeve, rubber snare, seal assembly and top sealed lid, put into fixed sleeve with the rubber snare and make fixed sleeve play sealed effect with the (mixing) shaft, put into fixed sleeve with seal assembly again, through screwing into fixed sleeve with the top sealed lid, S-shaped steel ring, S-shaped rubber circle and short spring receive the compression this moment, make S-shaped rubber circle and (mixing) shaft contact, shaft seal strip also contacts with the (mixing) shaft simultaneously, play sealed effect this moment, and then solved the comparatively complicated and not good problem of sealed effect of current (mixing) shaft seal mechanism.
2. This sealing structure of agitator mechanical seal uses through the cooperation of fixed sleeve, sealing component and top sealed lid, screws into the fixed sleeve with the top sealed lid slowly through the instrument, and the sealed slow S-shaped steel ring of with S-shaped rubber circle and the downward compression of short spring in top this moment, when S-shaped rubber circle and (mixing) shaft contact, has formed sealedly this moment, and then has solved the sealed framework assembly process complicacy of current agitator and has led to extravagant a large amount of man-hour' S problem.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at B in FIG. 2;
FIG. 5 is a schematic view of a seal assembly according to the present utility model.
In the figure: 1. a stirring shaft; 2. a fixed base; 3. a fixed sleeve; 4. a rubber ring sleeve; 5. a seal assembly; 501. s-shaped steel ring; 502. s-shaped rubber rings; 503. a card; 504. a short spring; 6. a limiting cylinder; 7. a top sealing cover; 8. a square groove; 9. a shaft seal strip; 10. a circular groove; 11. a cover sealing strip; 12. vertical grooves.
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. 1-5, a sealing structure of a mechanical seal of a stirrer comprises a stirring shaft 1, wherein a fixed base 2 is arranged on the outer edge of the stirring shaft 1, a fixed sleeve 3 is arranged at the top of the fixed base 2, a rubber ring sleeve 4 is arranged on the inner wall of the bottom of an inner cavity of the fixed sleeve 3, a sealing assembly 5 is arranged in the inner cavity of the fixed sleeve 3, and a top sealing cover 7 is connected with the top thread of the inner cavity of the fixed sleeve 3. Referring to fig. 3 and 5, the seal assembly 5 includes an S-shaped steel ring 501, an S-shaped rubber ring 502 is fixedly mounted on an inner wall of the S-shaped steel ring 501, the S-shaped rubber ring 502 is consistent with the S-shaped steel ring 501, and the S-shaped steel ring 501 is bent into an S-shaped state by using the design of the S-shaped steel ring 501, and the S-shaped rubber ring 502 is consistent with the S-shaped steel ring 501, so that the S-shaped steel ring 501 has a shaping function. By designing the sealing assembly 5 in the fixed sleeve 3, the S-shaped steel ring 501 and the short spring 504 are compressed downwards by rotating the top sealing cover 7, and the inner cavity diameter of the S-shaped rubber ring 502 is contracted to be in contact with the stirring shaft 1, so that the device plays a sealing role.
Referring to fig. 3, the top end and the lower end of the S-shaped steel ring 501 are fixedly equipped with the cards 503, the periphery of the S-shaped rubber ring 502 is provided with the short spring 504, the short spring 504 is located between the two cards 503, the short spring 504 can expand the two cards 503 towards the upper end and the lower end respectively, so that the short spring 504 has a resetting effect on the S-shaped steel ring 501, the S-shaped steel ring 501 and the S-shaped rubber ring 502 are always in a static state, and the stability of the device is improved.
Referring to fig. 1, the diameter of the top sealing cover 7 is consistent with that of the fixed sleeve 3, a vertical groove 12 is formed in the outer edge of the top sealing cover 7, and by means of the design of the vertical groove 12, an operator can conveniently take down the top sealing cover 7 when overhauling and maintaining equipment, overhauling and maintaining the sealing assembly 5 in the fixed sleeve 3 is convenient, and the device is convenient to detach and install.
Referring to fig. 4, a square groove 8 is formed in an inner cavity of the top sealing cover 7, a shaft sealing strip 9 is arranged on an inner wall of the square groove 8, and when the top sealing cover 7 is sleeved into the stirring shaft 1 by means of the design of the shaft sealing strip 9, the top sealing cover 7 and the stirring shaft 1 are sealed by the shaft sealing strip 9.
Referring to fig. 4, circular grooves 10 are formed on the contact surfaces between the top of the fixed sleeve 3 and the bottom of the top sealing cover 7, and cover sealing strips 11 are arranged in the inner cavities of the circular grooves 10, so that when the top sealing cover 7 is mounted on the fixed sleeve 3, the top sealing cover 7 and the fixed sleeve 3 are sealed through the cover sealing strips 11 by utilizing the design of the cover sealing strips 11.
Referring to fig. 2, the inner cavity of the fixed sleeve 3 is sleeved with a limiting cylinder 6, the limiting cylinder 6 is located at the outer edge of the sealing component 5, and the design of the limiting cylinder 6 is utilized, so that when the sealing component 5 is assembled, the sealing component 5 is arranged in the limiting cylinder 6, the limiting cylinder 6 can prevent the sealing component 5 from shaking in the fixed sleeve 3, the sealing component 5 cannot collide with the fixed sleeve 3 and the rotating shaft, abrasion of the sealing component 5 is avoided, and the service life of the device is prolonged.
The working principle is that when the stirring shaft is used, the fixed sleeve 3 is sleeved into the stirring shaft 1, the fixed sleeve 3 is arranged on the fixed base 2, the rubber ring sleeve 4 is put into the fixed sleeve 3, the limiting cylinder 6 is put into the fixed sleeve 3, the sealing component 5 is put into the limiting cylinder 6, the internal structure is installed, the shaft sealing strip 9 is installed in the square groove 8, the cover sealing strip 11 is installed in the circular groove 10 on the fixed sleeve 3, the shaft sealing strip 9 and the cover sealing strip 11 are installed, the top sealing cover 7 is slowly screwed into the fixed sleeve 3 through a tool, the fixed sleeve 3 is contacted with the sealing component 5 at the moment, the S-shaped steel ring 501, the S-shaped rubber ring 502 and the short spring 504 are slowly compressed downwards until the S-shaped rubber ring 502 is reliably contacted with the stirring shaft 1, and the sealing effect is achieved at the moment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can 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 (6)
1. A sealing structure of a stirrer mechanical seal, the stirrer comprises a stirring shaft (1), and is characterized in that: the stirring shaft is characterized in that a fixed base (2) is arranged on the outer edge of the stirring shaft (1), a fixed sleeve (3) is arranged at the top of the fixed base (2), a rubber ring sleeve (4) is arranged on the inner wall of the bottom of an inner cavity of the fixed sleeve (3), a sealing assembly (5) is arranged in the inner cavity of the fixed sleeve (3), and a top sealing cover (7) is connected with the top of the inner cavity of the fixed sleeve (3) in a threaded manner;
The sealing assembly (5) comprises an S-shaped steel ring (501), an S-shaped rubber ring (502) is fixedly arranged on the inner wall of the S-shaped steel ring (501), and the S-shaped rubber ring (502) is consistent with the S-shaped steel ring (501).
2. The sealing structure of a blender seal according to claim 1, wherein: the top and the low end of S-shaped steel ring (501) are all fixedly equipped with card (503), the periphery of S-shaped rubber circle (502) is equipped with short spring (504), short spring (504) are located between two cards (503).
3. The sealing structure of a blender seal according to claim 1, wherein: the diameter of the top sealing cover (7) is consistent with that of the fixed sleeve (3), and a vertical groove (12) is formed in the outer edge of the top sealing cover (7).
4. The sealing structure of a blender seal according to claim 1, wherein: the inner cavity of the top sealing cover (7) is provided with a square groove (8), and the inner wall of the square groove (8) is provided with a shaft sealing strip (9).
5. The sealing structure of a blender seal according to claim 1, wherein: round grooves (10) are formed in the top of the fixed sleeve (3) and the bottom of the top sealing cover (7), and sealing strips (11) are arranged in the inner cavity of the round grooves (10).
6. The sealing structure of a blender seal according to claim 1, wherein: the inner cavity of the fixed sleeve (3) is sleeved with a limiting cylinder (6), and the limiting cylinder (6) is positioned at the outer edge of the sealing assembly (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511014.7U CN220891082U (en) | 2023-09-15 | 2023-09-15 | Sealing structure of stirrer mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511014.7U CN220891082U (en) | 2023-09-15 | 2023-09-15 | Sealing structure of stirrer mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220891082U true CN220891082U (en) | 2024-05-03 |
Family
ID=90880264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322511014.7U Active CN220891082U (en) | 2023-09-15 | 2023-09-15 | Sealing structure of stirrer mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220891082U (en) |
-
2023
- 2023-09-15 CN CN202322511014.7U patent/CN220891082U/en active Active
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