CN219722667U - Top-in magnetic stirrer - Google Patents
Top-in magnetic stirrer Download PDFInfo
- Publication number
- CN219722667U CN219722667U CN202320318053.2U CN202320318053U CN219722667U CN 219722667 U CN219722667 U CN 219722667U CN 202320318053 U CN202320318053 U CN 202320318053U CN 219722667 U CN219722667 U CN 219722667U
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- CN
- China
- Prior art keywords
- stirring
- shaft
- magnetic stirrer
- cleaning
- outer sleeve
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- 239000000919 ceramic Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000003760 magnetic stirring Methods 0.000 abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 6
- 239000010935 stainless steel Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Accessories For Mixers (AREA)
Abstract
The utility model discloses a top-in magnetic stirrer, which comprises a frame and a driving device arranged on the frame, wherein an isolation sleeve is fixed on the frame, a transmission shaft is in transmission connection with the driving device and extends into the isolation sleeve, an outer sleeve shell is arranged on the outer side of the isolation sleeve, the outer sleeve is in transmission connection with the transmission shaft through an outer magnetic rotor assembly and an inner magnetic rotor assembly, the isolation sleeve is connected with the outer sleeve through a ceramic bearing, a cleaning window is arranged on the outer sleeve, the cleaning window is matched with the ceramic bearing, and the outer sleeve is connected with a stirring shaft through a shaft connector; the ceramic bearing is adopted, so that the ceramic bearing is free from pollution when being rubbed with stainless steel, the stirring operation noise is low, the noise pollution is avoided, the service life of the bearing is long, the cleaning window is arranged at the magnetic stirring bearing, the cleaning is easier, and the cleaning window is arranged on the outer sleeve shell, so that the ceramic bearing is convenient to clean and maintain, and the cleaning is convenient.
Description
Technical Field
The utility model relates to the technical field of stirrers, in particular to a top-in magnetic stirrer.
Background
The stirring liquid preparation has traditional mechanical stirring and magnetic stirring with higher cleaning requirements, the magnetic stirring is more sanitary and clean, along with the rapid development of the domestic pharmaceutical industry, the requirements of biological fermentation equipment are also higher and higher, the top-in type magnetic stirring is opposite to the common mechanical seal, and the sealing device is free of a shaft seal and is more sanitary and clean for the biological pharmaceutical industry: compared with bottom (center) magnetic stirring, top-in magnetic stirring is easier for draining the bottom product of the tank; compared with the bottom (eccentric) magnetic stirring, the bottom eccentric magnetic stirring blade is not large (limited), is only suitable for small cans, and has relatively poor stirring effect; the top magnetic stirring can be placed in the center of the tank, and the stirring blade can be large, so that the stirring effect is better, and the top-in magnetic stirring has the advantages of wide application range, cleanness, sanitation, no noise pollution, long service life, simplicity in maintenance and the like, and the bottom-in magnetic stirring and the common mechanical stirring can not meet the sanitary requirement of fermentation equipment, so that the top-in magnetic stirring is more suitable for biological fermentation equipment. The stirring shaft part and the driving shaft part are connected by adopting a bearing made of stainless steel in the existing jacking type magnetic stirring, so that the stirring shaft part and the driving shaft part are large in noise and short in service life in operation, and the bearing is positioned inside and is inconvenient in cleaning and maintenance.
Disclosure of Invention
The utility model mainly aims to provide a top-in magnetic stirrer, a driving device drives a transmission shaft to rotate, the transmission shaft drives an outer sleeve shell to rotate through an inner magnetic rotor assembly and an outer magnetic rotor assembly, a magnetic coupling technology is adopted by applying the internal and external interaction force of a magnetic field, magnetic driving is realized, the outer sleeve shell is connected with a shaft rod on an isolation sleeve through two ceramic bearings, the outer sleeve shell is rotationally positioned, the ceramic bearings are used for carrying out friction with stainless steel, no pollution is caused, stirring operation noise is low, no noise pollution is caused, the service life of the bearings is long, a cleaning window is arranged at the magnetic stirring bearing, cleaning is easier, and the cleaning window is arranged on the outer sleeve shell, so that the ceramic bearings are convenient to clean and maintain, and is convenient to clean, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a top income formula magnetic stirrer, includes the frame, installs the drive arrangement in the frame, is fixed with the isolation external member in the frame, and the transmission shaft, it is connected and the transmission shaft stretches into in the isolation external member with the drive arrangement transmission, the outside of isolation external member is equipped with the overcoat shell, be connected through outer magnetic rotor subassembly and interior magnetic rotor subassembly transmission between overcoat shell and the transmission shaft, connect through ceramic bearing between isolation external member and the overcoat shell, be equipped with the wash window on the overcoat shell, and wash window and ceramic bearing assorted setting, the overcoat shell is connected with the (mixing) shaft through the axle coupling.
Preferably, the isolation sleeve comprises an isolation sleeve and a shaft rod, wherein the isolation sleeve and the frame are of an integrated structure, the isolation sleeve is fixedly connected with the frame, and the shaft rod is connected with the outer casing through a ceramic bearing.
Preferably, the number of the ceramic bearings is two, the ceramic bearings are arranged at the upper end and the lower end of the shaft rod, and the number of the cleaning windows is two, and the cleaning windows are arranged at the lower side of the ceramic bearings.
Preferably, the outer sleeve is provided with a cleaning opening, and the cleaning opening is arranged above the upper ceramic bearing.
Preferably, the inner magnetic rotor assembly is fixed outside the end of the transmission shaft, and the outer magnetic rotor assembly is fixed inside the outer casing.
Preferably, two layers of stirring paddles are fixedly connected to the stirring shaft, each layer of stirring paddles are three in number and distributed circumferentially, and the stirring paddles on the upper side and the lower side are staggered.
Preferably, the upper layer and the lower layer of stirring paddles are staggered by 60 degrees.
Preferably, the driving device comprises a driving motor and a speed reducer, and the driving motor is connected with the transmission shaft through the speed reducer.
Compared with the prior art, the utility model has the beneficial effects that: the utility model drives the transmission shaft to rotate through the driving device, the transmission shaft drives the outer sleeve shell to rotate through the inner magnetic rotor assembly and the outer magnetic rotor assembly, the magnetic force coupling technology is adopted to realize magnetic force driving, the outer sleeve shell is connected with the shaft rod on the isolation sleeve through the two ceramic bearings, the outer sleeve shell is rotationally positioned, the ceramic bearings are adopted to realize pollution-free friction with stainless steel, the stirring operation noise is low, the noise pollution is avoided, the service life of the bearings is long, the cleaning window is arranged at the magnetic stirring bearing, the cleaning is easier, and the cleaning window is arranged on the outer sleeve shell, so that the ceramic bearings are convenient to clean and maintain and convenient to clean.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a frame; 2. a driving device; 21. a driving motor; 22. a speed reducer; 3. a transmission shaft; 4. an isolation kit; 41. a spacer sleeve; 42. a shaft lever; 5. an outer shell; 6. an outer magnetic rotor assembly; 7. an inner magnetic rotor assembly; 8. a ceramic bearing; 9. cleaning the window; 10. a coupling; 11. a stirring shaft; 12. a cleaning port; 13. stirring paddles.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, this embodiment provides a top-in magnetic stirrer, which comprises a frame 1, install the drive arrangement 2 on frame 1, drive arrangement 2 includes driving motor 21 and speed reducer 22, driving motor 21 passes through speed reducer 22 and is connected with transmission shaft 3, be fixed with on frame 1 and keep apart external member 4, transmission shaft 3 stretches into in the keep apart external member 4, the outside of keeping apart external member 4 is equipped with the overcoat shell 5, be connected through outer magnetic rotor subassembly 6 and interior magnetic rotor subassembly 7 transmission between overcoat shell 5 and the transmission shaft 3, interior magnetic rotor subassembly 7 is fixed in the tip outside of transmission shaft 3, outer magnetic rotor subassembly 6 is fixed in the interior of overcoat shell 5, and the top of overcoat shell 5 is equipped with the sealed seal cover 7 of outer magnetic rotor subassembly 6, be connected through ceramic bearing 8 between keep apart external member 4 and the overcoat shell 5, ceramic bearing 8 rubs pollution-free with the stainless steel, stirring running noise is little, noiseless pollution, be equipped with wash window 9 on the overcoat shell 5, and wash window 9 and ceramic bearing 8 assorted setting, be convenient for wash, the maintenance to ceramic bearing 8 through wash window 9, outer 5 is connected with the agitator shaft 11 through the sleeve coupler 10.
In this embodiment, keep apart external member 4 and include isolation sleeve 41 and axostylus axostyle 42 of integral structure, transmission shaft 3 stretches into in the isolation sleeve 41 and isolation sleeve 41's opening part and frame 1 fixed connection, the upper and lower both ends of axostylus axostyle 42 are connected with the overcoat shell 5 through ceramic bearing 8, and the overcoat shell 5 is located every ceramic bearing 8 below and all has seted up wash window 9, wash window 9 is two, the overcoat shell 5 is located the ceramic bearing 8 top of upside and is equipped with washs mouthful 12, two wash window 9 and washs mouthful 12 can wash the up and down terminal surface of two ceramic bearings 8 to all set up detachable sealed window in wash window 9 and washs mouthful 12 department.
Two layers of stirring paddles 13 are fixedly connected to the stirring shaft 11, three stirring paddles 13 are arranged on each layer and distributed circumferentially, the stirring paddles 13 on the upper side and the lower side are staggered, the staggered angle is 60 degrees, namely, the included angle between two adjacent stirring paddles 13 on the upper layer and the lower layer is 60 degrees.
The working principle is as follows: the driving motor 21 drives the transmission shaft 3 to rotate through the speed reducer 22, the transmission shaft 3 drives the outer sleeve shell 5 to rotate through the inner magnetic rotor assembly and the outer magnetic rotor assembly 6, the magnetic coupling technology is adopted to apply the internal and external interaction force of the magnetic field, the magnetic driving is achieved, the outer sleeve shell 5 is connected with the shaft rod 42 on the isolation sleeve 4 through the two ceramic bearings 8, the outer sleeve shell 5 is rotationally positioned, the ceramic bearings 8 are adopted to be free of pollution when friction with stainless steel, the stirring operation noise is low, the noise pollution is avoided, the service life of the bearings is long, the cleaning window 9 is arranged at the ceramic bearings 8, cleaning is easier, and the cleaning window 9 is arranged on the outer sleeve 5, so that the ceramic bearings 8 are convenient to clean and maintain, and cleaning is convenient.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a top income formula magnetic stirrer, includes the frame, installs the drive arrangement in the frame, its characterized in that: the device is characterized in that an isolation sleeve member is fixed on the frame, a transmission shaft is connected with the driving device in a transmission mode, the transmission shaft stretches into the isolation sleeve member, an outer sleeve member is arranged on the outer side of the isolation sleeve member, the outer sleeve member is connected with the transmission shaft through an outer magnetic rotor assembly and an inner magnetic rotor assembly in a transmission mode, the isolation sleeve member is connected with the outer sleeve member through a ceramic bearing, a cleaning window is arranged on the outer sleeve member, the cleaning window is matched with the ceramic bearing, and the outer sleeve member is connected with a stirring shaft through a coupling.
2. A top-entry magnetic stirrer according to claim 1, wherein: the isolation sleeve comprises an isolation sleeve and a shaft rod, wherein the isolation sleeve is of an integrated structure and is fixedly connected with the frame, and the shaft rod is connected with the outer casing through a ceramic bearing.
3. A top-entry magnetic stirrer according to claim 2, wherein: the ceramic bearings are arranged at the upper end and the lower end of the shaft rod, and the cleaning windows are arranged at the lower sides of the ceramic bearings.
4. A top-entry magnetic stirrer according to claim 3, wherein: the outer sleeve is provided with a cleaning opening, and the cleaning opening is arranged above the upper ceramic bearing.
5. A top-entry magnetic stirrer according to claim 1, wherein: the inner magnetic rotor assembly is fixed on the outer side of the end part of the transmission shaft, and the outer magnetic rotor assembly is fixed in the outer shell.
6. A top-entry magnetic stirrer according to claim 1, wherein: two layers of stirring paddles are fixedly connected to the stirring shaft, three stirring paddles are arranged on each layer of stirring shaft circumferentially, and the stirring paddles on the upper side and the lower side are staggered.
7. A top-entry magnetic stirrer according to claim 6, wherein: the stagger angle of the stirring paddles of the upper layer and the lower layer is 60 degrees.
8. A top-entry magnetic stirrer according to claim 1, wherein: the driving device comprises a driving motor and a speed reducer, and the driving motor is connected with the transmission shaft through the speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318053.2U CN219722667U (en) | 2023-02-22 | 2023-02-22 | Top-in magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318053.2U CN219722667U (en) | 2023-02-22 | 2023-02-22 | Top-in magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219722667U true CN219722667U (en) | 2023-09-22 |
Family
ID=88053559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320318053.2U Active CN219722667U (en) | 2023-02-22 | 2023-02-22 | Top-in magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219722667U (en) |
-
2023
- 2023-02-22 CN CN202320318053.2U patent/CN219722667U/en active Active
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| GR01 | Patent grant |