CN221482644U - Special rotary joint for centrifugal machine - Google Patents
Special rotary joint for centrifugal machine Download PDFInfo
- Publication number
- CN221482644U CN221482644U CN202323519705.8U CN202323519705U CN221482644U CN 221482644 U CN221482644 U CN 221482644U CN 202323519705 U CN202323519705 U CN 202323519705U CN 221482644 U CN221482644 U CN 221482644U
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- CN
- China
- Prior art keywords
- bearing
- sealing ring
- shaft seal
- shell
- sheet type
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005256 carbonitriding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model belongs to the technical field of centrifuges, and particularly relates to a special rotary joint for a centrifuger, which comprises a bearing shell, wherein a shaft seal clamping ring and a second shaft seal gland are arranged in the bearing shell, a first sheet type sealing ring is arranged on one side of the shaft seal clamping ring, a second sheet type sealing ring is arranged on one side of the second shaft seal gland, a sealing shell is arranged on one side of the bearing shell, a first inner hexagon bolt is arranged on the inner side surface of the sealing shell, a first shaft seal gland and a second inner hexagon bolt are arranged in the sealing shell, and a bearing is arranged on one side, far away from the second sheet type sealing ring, of the second shaft seal gland. According to the utility model, the contact area between the sealing ring and the rotating body is reduced, the heat generated by friction between the sealing ring and the rotating body is reduced, and the service life of the rotating joint is prolonged by arranging the first sheet type sealing ring and the second sheet type sealing ring.
Description
Technical Field
The utility model relates to the technical field of centrifuges, in particular to a special rotary joint for a centrifuger.
Background
Centrifuges are machines that utilize centrifugal force to separate components of a liquid from solid particles or a mixture of liquid and liquid. The centrifugal machine is mainly used for separating solid particles from liquid in suspension or separating two liquids which are different in density and are mutually insoluble in the emulsion; it can also be used to remove liquids from wet solids, such as drying wet clothing with a washing machine; the special overspeed tube separator can also separate gas mixtures with different densities; by utilizing the characteristic that the sedimentation velocity of solid particles with different densities or particle sizes in liquid is different, some sedimentation centrifuges can also classify the solid particles according to the densities or particle sizes, and the centrifuges are provided with common parts called rotary joints, so that the heat generated by the sealing rings in the conventional rotary joints and the rotary bodies during working is too high, and the service life of the rotary joints is influenced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a special rotary joint for a centrifugal machine, which aims to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special rotary joint of centrifuge, includes the bearing shell, the inside of bearing shell is provided with bearing seal clamping ring and second axial seal gland, one side of bearing seal clamping ring is provided with first slice formula sealing washer, one side of second axial seal gland is provided with the second slice formula sealing washer, one side of bearing shell is provided with the sealing shell.
As a preferable technical scheme of the utility model, the inner side surface of the sealing shell is provided with a first inner hexagon bolt.
As a preferable technical scheme of the utility model, a first shaft seal gland and a second inner hexagon bolt are arranged in the sealing shell.
As a preferable technical scheme of the utility model, a bearing is arranged on one side, far away from the second sheet type sealing ring, of the second sealing gland, two groups of bearings are arranged, a hole clamp is arranged on one side of the bearing at the upper end, and a shaft clamp is arranged on one side of the bearing at the lower end.
As a preferable technical scheme of the utility model, a shaft body is arranged on one side of the bearing shell away from the sealing shell.
Compared with the prior art, the utility model provides the special rotary joint for the centrifugal machine, which has the following beneficial effects:
According to the utility model, the contact area between the sealing ring and the rotating body is reduced by arranging the first sheet type sealing ring and the second sheet type sealing ring, the heat generated by friction between the sealing ring and the rotating body is reduced, and the service life of the rotating joint is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a bearing housing; 2. a sealed housing; 3. a bearing; 4. a first piece seal ring; 5. a second piece type sealing ring; 6. a shaft seal clamping ring; 7. a first shaft seal gland; 8. a second sealing gland; 9. a first socket head cap screw; 10. a second socket head cap screw; 11. a shaft clamp; 12. a hole clamp; 13. a shaft body.
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.
Examples
Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a special rotary joint of centrifuge, includes bearing shell 1, and the inside of bearing shell 1 is provided with shaft seal clamping ring 6 and second axial seal gland 8, and one side of shaft seal clamping ring 6 is provided with first slice formula sealing washer 4, and one side of second axial seal gland 8 is provided with second slice formula sealing washer 5, and one side of bearing shell 1 is provided with seal shell 2.
Specifically, the inner side surface of the seal case 2 is provided with a first socket head cap screw 9.
Specifically, the seal housing 2 is provided with a first shaft seal gland 7 and a second hexagon socket head cap screw 10.
Specifically, the second sealing gland 8 is provided with the bearing 3 far away from one side of second piece formula sealing washer 5, and the bearing 3 has two sets ofly, and one side of upper end bearing 3 is provided with hole card 12, and one side of lower end bearing 3 is provided with axle card 11.
Specifically, the side of the bearing housing 1 remote from the seal housing 2 is provided with a shaft body 13.
In this embodiment, the outer stator is made of an aluminum alloy material. The volume is light, and the heat dissipation effect is good; the rotor adopts 40Cr material to achieve high-quality use effect after QPQ treatment (carbonitriding) and has wear resistance and corrosion resistance, CNC one-step molding is performed on the processing technology, coaxiality of the rotary joint is guaranteed, excellent sealing effect can be guaranteed even if the rotary joint runs at high speed, a customized sheet type lip-shaped sealing ring is adopted for internal sealing, the rotary joint is a sealing ring developed by combining field running condition of the centrifuge industry and customer feedback, and the unique lip-shaped design of the sealing ring can play a good role in compensating even if the rotary joint is pressed, so that the service life of the joint is prolonged; the lip type seal is of a sheet type, heat is low when the lip type seal rotates at a high speed, a lubrication hole arranged between seal rings can lubricate the inner seal, later maintenance and repair are convenient, and the bearing is designed at the central part of the rotating shaft and can well play a supporting role even under the condition of high-speed operation.
The working principle and the using flow of the utility model are as follows: the rotary joint is connected with an external device, then the power supply is started to work, the contact area between the sealing ring and the rotating body is reduced by the first sheet type sealing ring 4 and the second sheet type sealing ring 5, the heat generated by friction between the sealing ring and the rotating body is reduced, and the service life of the rotary joint is prolonged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a special rotary joint of centrifuge, includes bearing housing (1), its characterized in that: the novel bearing is characterized in that a shaft seal clamping ring (6) and a second shaft seal gland (8) are arranged in the bearing shell (1), a first sheet type sealing ring (4) is arranged on one side of the shaft seal clamping ring (6), a second sheet type sealing ring (5) is arranged on one side of the second shaft seal gland (8), and a sealing shell (2) is arranged on one side of the bearing shell (1).
2. The rotary union dedicated to centrifuges of claim 1, wherein: the inner side surface of the sealing shell (2) is provided with a first inner hexagon bolt (9).
3. The rotary union dedicated to centrifuges of claim 2, wherein: the inside of the sealing shell (2) is provided with a first shaft seal gland (7) and a second inner hexagon bolt (10).
4. The rotary union dedicated to centrifuges of claim 1, wherein: one side of the second sealing gland (8) far away from the second sheet type sealing ring (5) is provided with a bearing (3), the bearing (3) is provided with two groups, one side of the bearing (3) at the upper end is provided with a hole clamp (12), and one side of the bearing (3) at the lower end is provided with a shaft clamp (11).
5. The rotary union dedicated to centrifuges of claim 1, wherein: a shaft body (13) is arranged on one side, far away from the sealing shell (2), of the bearing shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323519705.8U CN221482644U (en) | 2023-12-22 | 2023-12-22 | Special rotary joint for centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323519705.8U CN221482644U (en) | 2023-12-22 | 2023-12-22 | Special rotary joint for centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221482644U true CN221482644U (en) | 2024-08-06 |
Family
ID=92357811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323519705.8U Active CN221482644U (en) | 2023-12-22 | 2023-12-22 | Special rotary joint for centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221482644U (en) |
-
2023
- 2023-12-22 CN CN202323519705.8U patent/CN221482644U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |