CN211586364U - Novel magnetic positioning stirring rotor and magnetic stirrer - Google Patents
Novel magnetic positioning stirring rotor and magnetic stirrer Download PDFInfo
- Publication number
- CN211586364U CN211586364U CN201922286473.3U CN201922286473U CN211586364U CN 211586364 U CN211586364 U CN 211586364U CN 201922286473 U CN201922286473 U CN 201922286473U CN 211586364 U CN211586364 U CN 211586364U
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- stirring rotor
- ceramic
- permanent magnet
- positioning
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Abstract
The utility model provides a novel magnetic positioning stirring rotor and a magnetic stirrer, which relate to the technical field of indoor test equipment and comprise a ceramic bearing, a ceramic mandrel, a magnetic base, a magnetic stirring rotor and a wedge-shaped key, wherein the magnetic base is arranged below the ceramic mandrel, the ceramic mandrel is connected with the ceramic bearing, the magnetic stirring rotor and the ceramic bearing are installed in a matching way, the ceramic mandrel and the ceramic bearing are fixed through the wedge-shaped key, and the magnetic stirring rotor and the ceramic bearing are fixed through the wedge-shaped key; the permanent magnet inter attraction in location of magnetism base and magnetic stirrers bar permanent magnet top, bar permanent magnet pass through electric motor drive, and electric motor and bar permanent magnet setting are in the magnetic stirrers operation panel, and the beaker is placed on the operation panel, and magnetism location stirring rotor places in the beaker. This rotor passes through magnetic force location in the permanent magnet top, and then guarantees the stability of magnetic stirring rotor, has avoided liquid to splash to and the problem of rotor and beaker inner wall collision.
Description
Technical Field
The utility model belongs to the technical field of laboratory test operating equipment technique and specifically relates to a novel magnetism location stirring rotor and magnetic stirrers.
Background
The magnetic stirrer is a laboratory instrument for liquid mixing, and is mainly used for stirring or simultaneously heating and stirring low-viscosity liquid or solid-liquid mixture; specifically, the principle that like poles repel and opposite poles attract of a magnetic field is utilized, and the magnetic stirrer placed in the container is pushed by the magnetic field to perform circumferential operation, so that the aim of stirring liquid is fulfilled. At present, the existing magnetic stirrer is composed of a permanent magnet inside the magnetic stirrer, when a motor rotates, two magnetic poles rotate around a plane parallel to a bedplate; when a container (such as a beaker) made of nonmagnetic substances is placed on the bedplate and a bar magnet (namely a magnetic stirring rotor) sealed by plastic and other materials is placed in the container, the small bar magnet rotates along with the bedplate under the action of a rotating magnetic field and stirs the contents in the container to ensure that the experimental liquid is fully mixed or dissolved at an accelerated speed.
At the beginning stage of the use of the magnetic stirring rotor, the permanent magnet in the magnetic stirrer is not completely opposite to the magnetic stirrer in the beaker, so that the magnetic stirrer is easily stressed unevenly at the beginning, the irregular movement of the stirrer can be caused, and the problems of solution splashing, continuous collision of the rotor on the wall of the beaker and the like are caused. The test solution harmful to the human body may injure the tester, or cause a large error in the test, or even may cause damage to the test instrument.
SUMMERY OF THE UTILITY MODEL
In order to solve the position of present magnetic stirrers's stirring rotor when beginning the stirring and rotating magnetic field and not correspond, the initial irregular motion of stirring rotor makes solution splash, injure the technical problem of container wall even, the utility model provides a novel magnetism location stirring rotor and magnetic stirrers, concrete technical scheme is as follows.
A novel magnetic positioning stirring rotor comprises a ceramic bearing, a ceramic mandrel, a magnetic base, a magnetic stirring rotor and a wedge-shaped key, wherein the magnetic base is connected below the ceramic mandrel, and the ceramic mandrel is connected with the ceramic bearing; the magnetic stirring rotor is matched with the ceramic bearing; all be provided with the mounting groove on ceramic dabber, ceramic bearing and the magnetic stirring rotor, ceramic dabber and ceramic bearing pass through wedge key and mounting groove fixed, and it is fixed through wedge key and mounting groove between magnetic stirring rotor and the ceramic bearing.
Preferably, the ceramic bearing is a deep groove ball bearing, and the middle part of the magnetic stirring rotor is provided with a cylindrical through groove.
Preferably, the mounting groove is matched with the wedge-shaped key, the mounting groove is arranged at the relative position of the inner surface and the outer surface of the ceramic bearing, the mounting groove is arranged at the cylindrical through groove inner edge of the magnetic stirring rotor, and the through groove is arranged at the outer edge of the upper part of the ceramic mandrel.
The utility model provides a magnetic stirrers with novel magnetism location stirring rotor, foretell a novel magnetism location stirring rotor places in the beaker, and the beaker is placed on the operation panel, is provided with bar permanent magnet, location permanent magnet and electric motor in the operation panel, and electric motor and bar permanent magnet link to each other and drive the rotation of bar permanent magnet, and location permanent magnet fixes in the bar permanent magnet top.
Further preferably, the positions of the positioning permanent magnet and the magnetic base correspond up and down; the magnetic stirring rotor and the strip-shaped permanent magnet are in up-and-down correspondence.
It is further preferable that the positioning permanent magnet corresponds to an axis of the beaker, and the positioning permanent magnet is fixed to a rotation center of the bar-shaped permanent magnet.
Further preferably, the bottom surface of the beaker and the upper surface of the operating table are provided with corresponding pattern positioning beaker placing positions.
It is further preferred that the length of the magnetic stirring rotor is smaller than the diameter of the beaker, and the thickness of the magnetic stirring rotor is larger than the length of the ceramic mandrel.
It is further preferred that the magnetic base and the positioning permanent magnet are circular and have different polarities of magnetic poles on opposite sides.
The utility model has the advantages that the novel magnetic positioning stirring rotor is provided, the position of the beaker after being placed in a container is positioned through the magnetic base, and the magnetic stirring rotor rotates uniformly around the ceramic mandrel through the matching of the ceramic bearing, the ceramic mandrel and the magnetic stirring rotor, so that the stirring is more stable; the installation and the disassembly of the novel magnetic positioning stirring rotor are facilitated through the matching of the installation groove and the wedge-shaped key; on the basis of using the stirring rotor, the magnetic stirrer with the novel magnetic positioning stirring rotor better ensures that the rotor sheet rotates stably, and has simple structure and convenient assembly and disassembly.
Drawings
FIG. 1 is a schematic view of a magnetically positioned stirring rotor;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a schematic cross-sectional and sectional structure of a ceramic bearing;
FIG. 5 is a side, top structural schematic view of the ceramic mandrel and magnetic base;
FIG. 6 is a three-dimensional view of a wedge key;
FIG. 7 is a schematic view of a magnetic stirrer having a novel magnetically positioned stirring rotor;
FIG. 8 is a schematic view of a modified structure of the ceramic bearing;
FIG. 9 is a schematic view of a modified structure of a magnetically positioned stirring rotor;
in the figure: 1-a ceramic bearing; 2-a ceramic mandrel; 3-a magnetic base; 4-a magnetic stirring rotor; 5-a wedge bond; 6-bar permanent magnet; 7-positioning a permanent magnet; 8-an electric motor; 9-mounting grooves; 10-an operation table; 11-beaker.
Detailed Description
Referring to fig. 1 to 9, the present invention provides a novel magnetic positioning stirring rotor and a magnetic stirrer, which has the following embodiments.
The utility model provides a novel magnetism location stirring rotor, as shown in fig. 1 to 6, its structure includes ceramic bearing 1, ceramic dabber 2, magnetism base 3, magnetism stirring rotor 4 and wedge key 5, 2 below connections with magnetism base 3 of ceramic dabber, ceramic dabber 2 and 3 accessible bonds or pegs graft fixedly together of magnetism base, the overall structure surface of ceramic dabber 2 and magnetism base 3 can wrap up one deck polytetrafluoroethylene, ceramic dabber 2 and ceramic bearing 1 link to each other, ceramic bearing 1 can be fixed in the top of ceramic dabber. Magnetic stirring rotor 4 and the cooperation installation of ceramic bearing 1, magnetic stirring rotor 4 can wrap up one deck polytetrafluoroethylene or other flexible corrosion resistant material at the surface, ceramic dabber 2, all be provided with the mounting groove on ceramic bearing 1 and the magnetic stirring rotor 4, ceramic dabber 2 and ceramic bearing 1 are fixed through wedge key 5 and mounting groove 9, it is fixed through wedge key 5 and mounting groove 9 between magnetic stirring rotor 4 and the ceramic bearing 1, wedge key 5 shape is as shown in figure 6, thereby wedge key 5 can insert the relative position relation between two parts of fixed connection in the mounting groove 9, make magnetic stirring rotor 4 rotate around ceramic dabber 2.
In addition, by using the novel magnetic positioning stirring rotor 4, the relative positions of the ceramic bearing 1 and the ceramic mandrel 2 on the magnetic stirring rotor 4 can be adjusted, as shown in fig. 9, namely, the magnetic stirring rotor 4 is of an eccentric structure, and the ceramic bearing 1 and the ceramic mandrel 2 are arranged in a way of deviating from the middle position of the magnetic stirring rotor 4; the shape of the magnetic stirring rotor 4 can be set arbitrarily according to the requirement, and the improvement can enable the novel magnetic positioning stirring rotor to be placed into a beaker better without manually adjusting the position of the rotor.
The utility model provides a magnetic stirrers with novel magnetism location stirring rotor, as shown in figure 7, novel magnetism location stirring rotor places in beaker 11, and wherein the beaker also can be other containers, and beaker 11 is placed on operation panel 10, is provided with bar permanent magnet 6, location permanent magnet 7 and electric motor 8 in the operation panel 10, and electric motor 8 and bar permanent magnet 6 link to each other and drive bar permanent magnet 6 and rotate, and location permanent magnet 7 is fixed in bar permanent magnet 6 top. The electric motor 8 is powered by an external power supply, and a servo motor can be selected for use, so that the rotating speed is better controlled.
The positions of the positioning permanent magnet 7 and the magnetic base 3 are vertically corresponding, so that the magnetic stirring rotor 4 can be positioned conveniently and better; the magnetic stirring rotor 4 corresponds to the bar-shaped permanent magnet 6 up and down, the magnetic stirring rotor 4 starts to rotate under the influence of the rotating magnetic force of the bar-shaped permanent magnet 6, and the position of the magnetic base is always kept unchanged. The positioning permanent magnet 7 corresponds to the axis of the beaker 11, and the positioning permanent magnet 7 is fixed at the rotation center of the bar-shaped permanent magnet, so that the magnetic field change of the positioning permanent magnet 7 caused by rotation can not occur in the rotation process of the bar-shaped permanent magnet 6. The bottom surface of the beaker 11 and the upper surface of the operating platform are provided with corresponding pattern positioning beaker placing positions, and the patterns can be circular, so that the fixation of the relative position between the beaker 11 and the operating platform 10 is ensured. The length of the magnetic stirring rotor is smaller than the diameter of the beaker so that the solution can be stirred rotationally in the beaker, and the thickness of the magnetic stirring rotor 4 is larger than the length of the ceramic mandrel. The magnetic base 3 and the positioning permanent magnet 7 are circular, the polarities of the magnetic poles of the opposite surfaces are different, and the circular shape can ensure that the corresponding magnetic poles are kept stable in a proper offset range.
When the magnetic stirrer is used, firstly, a magnetic positioning stirring rotor is installed according to a novel magnetic positioning stirring rotor structure, the magnetic stirring rotor is sleeved on a ceramic mandrel, then a ceramic bearing is placed in a cylindrical through groove of the magnetic stirring rotor, and wedge-shaped keys are respectively inserted into installation grooves on the ceramic bearing, the ceramic mandrel and the magnetic stirring rotor; after the assembly is completed, the device is placed into a beaker filled with solution, the beaker is placed on an operation table, the magnetic base and the positioning permanent magnet attract the operation table under the action of magnetic force, the electric motor is electrified to drive the bar-shaped permanent magnet to rotate, and the bar-shaped permanent magnet drives the magnetic stirring rotor to rotate so as to complete the stirring of the solution.
According to the novel magnetic positioning stirring rotor provided by the technical scheme, the position of the magnetic positioning stirring rotor after being placed in a beaker container is positioned through the magnetic base, and the magnetic stirring rotor uniformly rotates around the ceramic mandrel through the matching of the ceramic bearing, the ceramic mandrel and the magnetic stirring rotor, so that the stirring is more stable; the installation and the disassembly of the novel magnetic positioning stirring rotor are facilitated through the matching of the installation groove and the wedge-shaped key; on the basis of using the stirring rotor, the magnetic stirrer with the novel magnetic positioning stirring rotor better ensures that the rotor sheet rotates stably.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (9)
1. A novel magnetic positioning stirring rotor is characterized by comprising a ceramic bearing, a ceramic mandrel, a magnetic base, a magnetic stirring rotor and a wedge-shaped key, wherein the magnetic base is connected below the ceramic mandrel, and the ceramic mandrel is connected with the ceramic bearing; the magnetic stirring rotor and the ceramic bearing are installed in a matching way; the ceramic core shaft, the ceramic bearing and the magnetic stirring rotor are all provided with mounting grooves, the ceramic core shaft and the ceramic bearing are fixed through wedge-shaped keys and the mounting grooves, and the magnetic stirring rotor and the ceramic bearing are also fixed through the wedge-shaped keys and the mounting grooves.
2. The novel magnetic positioning stirring rotor as claimed in claim 1, wherein the ceramic bearing is a deep groove ball bearing, and a cylindrical through groove is arranged in the middle of the magnetic stirring rotor.
3. The novel magnetic positioning stirring rotor as claimed in claim 2, wherein the mounting groove is matched with the wedge-shaped key, the mounting groove is arranged at the position opposite to the inner surface and the outer surface of the ceramic bearing, the mounting groove is arranged at the inner cylindrical through groove edge of the magnetic stirring rotor, and the through groove is arranged at the outer upper edge of the ceramic mandrel.
4. A magnetic stirrer with a novel magnetic positioning stirring rotor, wherein the novel magnetic positioning stirring rotor as claimed in any one of claims 1 to 3 is placed in a beaker, the beaker is placed on an operation table, a bar-shaped permanent magnet, a positioning permanent magnet and an electric motor are arranged in the operation table, the electric motor is connected with the bar-shaped permanent magnet to drive the bar-shaped permanent magnet to rotate, and the positioning permanent magnet is fixed above the bar-shaped permanent magnet.
5. The magnetic stirrer with the novel magnetic positioning stirring rotor is characterized in that the positioning permanent magnets correspond to the magnetic base up and down in position; the magnetic stirring rotor and the strip-shaped permanent magnet are in up-and-down correspondence.
6. The magnetic stirrer with the novel magnetic positioning stirring rotor as claimed in claim 4, wherein the positioning permanent magnet corresponds to the axis of the beaker, and the positioning permanent magnet is fixed at the rotation center of the bar-shaped permanent magnet.
7. A magnetic stirrer with a novel magnetic positioning stirring rotor as claimed in claim 5 or 6, wherein the bottom surface of the beaker and the upper surface of the operating platform are provided with corresponding pattern positioning beaker placing positions.
8. The magnetic stirrer with the novel magnetically positioned stirring rotor of claim 7, wherein the length of the magnetic stirring rotor is less than the diameter of the beaker, and the thickness of the magnetic stirring rotor is greater than the length of the ceramic mandrel.
9. The magnetic stirrer with the novel magnetic positioning stirring rotor as claimed in claim 7, wherein the magnetic base and the positioning permanent magnet are both circular and have different polarities of the magnetic poles on the opposite surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922286473.3U CN211586364U (en) | 2019-12-18 | 2019-12-18 | Novel magnetic positioning stirring rotor and magnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922286473.3U CN211586364U (en) | 2019-12-18 | 2019-12-18 | Novel magnetic positioning stirring rotor and magnetic stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211586364U true CN211586364U (en) | 2020-09-29 |
Family
ID=72593422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922286473.3U Expired - Fee Related CN211586364U (en) | 2019-12-18 | 2019-12-18 | Novel magnetic positioning stirring rotor and magnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211586364U (en) |
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2019
- 2019-12-18 CN CN201922286473.3U patent/CN211586364U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |