CN218795481U

CN218795481U - Magnetic stirring device

Info

Publication number: CN218795481U
Application number: CN202220716458.7U
Authority: CN
Inventors: 张莹; 蒋玉雄; 钟启仲; 陈荣强; 林大钦
Original assignee: Xiamen Gaorong Nano New Material Technology Co ltd
Current assignee: Xiamen Gaorong Nano New Material Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2023-04-07
Anticipated expiration: 2032-03-30

Abstract

The utility model provides a magnetic stirring device, which comprises a bearing base, a driving motor arranged in the bearing base and a rotatable carrier, wherein two first permanent magnets are arranged on the upper edge or the side wall of the rotatable carrier, and the two first permanent magnets are symmetrically arranged along the central axis of the rotatable carrier; bear the base top and still set up the sleeve that is used for placing the stirring cup, form the clearance between sleeve and the rotatable carrier, the sleeve is including the first supporting part that is used for placing the stirring cup, the second supporting part that is used for supporting first supporting part, through the supporting part with the stirring cup suspension in rotatable carrier on, when rotatable carrier drives first permanent magnet and rotates, arouse first magnetic rotor magnetism to rotate, realize the stirring of solution at the upper and middle level, if add second permanent magnet and second magnetic rotor in the bottom simultaneously, can realize the effect of stirring cup bottom and upper and middle level solution while stirring, very big improvement the efficiency of stirring.

Description

Magnetic stirring device

Technical Field

The utility model relates to a technical field of stirring apparatus, especially a magnetic stirring device.

Background

Heretofore, a stirrer is a relatively general device, and is widely used in various fields such as experiments, chemical engineering, medical treatment, food, agriculture, pharmacy, biology, cosmetics, and the like. The desk type magnetic stirring device is popular among people due to the characteristics of simplicity in operation and adjustability in speed and direction, but the desk type magnetic stirring device in the prior art pushes the magnetic stirring rotor to rotate by constantly changing the polarities at the two ends of the base, so that the energy conversion rate is low, and the desk type magnetic stirring device is only suitable for stirring a solution with low viscosity and small volume; compared with the viscous solution, the middle part and the upper part of the solution are not easy to be uniformly stirred, and the viscous solution needs to be stirred for a long time, so that the stirring process is influenced, and the production cost is increased.

In view of the above, the present inventors have specially designed a magnetic stirring apparatus, and have resulted from this.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides a magnetic stirring device, is including bearing the base, setting up in bearing the inside actuating motor of base and rotatable carrier, rotatable carrier with actuating motor's output is connected, edge or lateral wall set up two first permanent magnets on the rotatable carrier, two first permanent magnet sets up along rotatable carrier center pin symmetry.

Furthermore, a sleeve for placing the stirring cup is arranged above the bearing base, and a gap is formed between the sleeve and the rotatable carrier.

Further, the sleeve comprises a first supporting portion for placing the stirring cup and a second supporting portion for supporting the first supporting portion.

Furthermore, a first groove for placing a first permanent magnet is formed in the upper edge of the rotatable carrier.

Further, still include first magnetic rotor, when rotatable carrier drove first permanent magnet and rotates, first magnetic rotor rotated.

Furthermore, a second groove is formed in the bottom of the rotatable cylinder body, and a second permanent magnet is arranged in the second groove.

Furthermore, when the rotatable carrier drives the second permanent magnet to rotate, the second magnetic rotor rotates.

Furthermore, the first magnetic rotor and the second magnetic rotor are internally provided with magnetic bars, and the outer parts of the first magnetic rotor and the second magnetic rotor are wrapped with corrosion-resistant materials.

Furthermore, the sleeve is made of ceramic.

Furthermore, the bearing base is provided with a main switch, a speed regulation knob and a direction switch.

Use configuration 500ml solution as an example, can make the second magnetic force rotor on bottom pivoted basis originally, the utility model discloses a through setting up two first permanent magnets on rotatable carrier and upper portion, improved the longitudinal motion height of corresponding first magnetic force rotor in solution, realized having the rotatable purpose of first magnetic force rotor in solution 250ml-300ml department, accelerated the stirring of well upper solution.

The working principle of the magnetic stirring device provided by the invention follows the characteristic that like poles of magnetic substances repel each other, the magnetic force is pushed by continuously changing the polarities of two ends of the base, the power can be transmitted from one magnet to the other magnet through the coupling force of the magnets without a traditional mechanical component, so that a non-contact transmission power mechanism is formed, the permanent magnet is driven to rotate by the driving motor during working, and meanwhile, the corresponding magnetic rotors in the container are driven to synchronously rotate in a coupling manner, so that the external power is transmitted to the corresponding internal magnetic rotors in a zero-contact and zero-friction manner, and the purpose of stirring is realized.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

fig. 1 is an overall view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a schematic view of the rotatable carrier 30 of the present invention;

description of reference numerals:

10. a load bearing base; 20. a drive motor; 30. a rotatable carrier; 31. a first permanent magnet; 32. a first groove; 33. a second groove; 34. a second permanent magnet; 40. a sleeve; 41. a first support section; 42. a second support portion; 60. a master switch; 61. a speed regulation knob; 62. and a direction switch.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

Referring to fig. 1 to 4, a magnetic stirring apparatus according to a preferred embodiment of the present invention is used for stirring a solution, and includes a supporting base 10, a driving motor 20 disposed inside the supporting base 10, and a rotatable carrier 30, wherein an output end of the driving motor 20 extends out of the supporting base 10 and connects to the rotatable carrier 30, two first permanent magnets 31 are disposed on or on a side wall of the rotatable carrier 30, and the two first permanent magnets 31 are symmetrically disposed along a central axis of the rotatable carrier 30. A sleeve 40 for placing a stirring cup is further arranged above the bearing base 10, and a gap is formed between the sleeve 40 and the rotatable carrier 30. The sleeve 40 includes a first support portion 41 for placing the mixing cup, and a second support portion 42 for supporting the first support portion 41.

The upper edge of the rotatable carrier is provided with a first groove 32 for placing a first permanent magnet 31. The solute and the solvent to be stirred are put into a stirring cup, the stirring cup is placed in the second supporting portion 42, and the stirring cup can be suspended on the rotatable carrier 30. After the main switch 60 of the driving motor 20 is turned on, the second permanent magnet 34 in the second groove 33 generates magnetic field to magnetically drive the second magnetic rotor to rotate, so as to drive the solution to start rotating, and at the same time, the rotatable carrier 30 is driven by the driving motor 20 to start rotating, so as to drive the first permanent magnet 31 to rotate, and then the first magnetic rotor is placed in, so that the solution in the inner section of the stirring cup rotates along with the rotation of the first magnetic rotor due to the rotating magnetic field generated by the rotation of the strong magnetic force of the first permanent magnet 31, thereby achieving the purpose that the magnetic rotors can rotate at the bottom and the middle upper part of the stirring cup.

The utility model discloses a first permanent magnet adopts the great permanent magnet of magnetism to guarantee that first magnetic rotor overcomes solution suction in the suspension, realize the fast rotation, and then improve stirring efficiency.

Example 2

This embodiment is substantially the same as embodiment 1, except that the first supporting portion 41 of the sleeve 40 is a supporting ring, which supports the outer convex portion of the bottom or rim of the mixing cup, the first supporting portion 41 is connected to the second supporting portion 42, and the second supporting portion 42 can be a claw-shaped bracket holder mounted on the carrying base 10.

Example 3

This embodiment is substantially the same as embodiment 2, except that the first permanent magnets 31 are symmetrically arranged along the central axis of the upper edge or the side wall of the rotatable carrier 30, the number of the first permanent magnets 31 is at least two, and when the number of the first permanent magnets 31 exceeds two, the generated magnetic attraction force is increased, and the rotation motion of the first magnetic rotor is accelerated.

Example 4

The present embodiment is substantially the same as embodiment 1, except that a main switch 60, a direction switch 62 and a speed-adjusting knob 61 are disposed on the supporting base 10, the direction switch 62 can control the clockwise movement and the counterclockwise movement of the magnetic rotor to realize the change of the stirring direction, and the speed-adjusting knob 61 controls the speed of the driving motor 20 to control the rotation speed of the magnetic rotor.

To sum up, the utility model discloses following beneficial effect has:

1. the solution in the middle section of the stirring cup is effectively stirred, the time required by stirring the solution is shortened, the stirring efficiency is increased, and the productivity of the equipment is improved;

2. the purpose of stirring the viscous solution is realized;

3. the magnetic stirring device has reasonable structure, novel design, convenient manufacture and convenient implementation, popularization and application.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the method and technical solutions of the present invention, or the present invention can be directly applied to other applications without modification, which is within the protection scope of the present invention.

Claims

1. The utility model provides a magnetic stirring device, its characterized in that is including bearing base (10), setting up in the inside actuating motor (20) and the rotatable carrier (30) of bearing base (10), rotatable carrier (30) with the output of actuating motor (20) is connected, edge or lateral wall set up two first permanent magnet (31) on the rotatable carrier (30), two first permanent magnet (31) set up along rotatable carrier (30) center pin symmetry.

2. A magnetic stirring device according to claim 1, wherein a sleeve (40) for placing a stirring cup is further arranged above the bearing base (10), and a gap is formed between the sleeve (40) and the rotatable carrier (30).

3. A magnetic stirring device according to claim 2, characterized in that the sleeve (40) comprises a first support (41) for placing the stirring cup, a second support (42) for supporting the first support (41).

4. A magnetic stirring device according to claim 1, wherein the rotatable carrier (30) is provided with a first recess (32) along its upper edge for receiving the first permanent magnet (31).

5. A magnetic stirring apparatus as claimed in claim 4 further comprising a first magnetic rotor, the first magnetic rotor rotating when the rotatable carrier (30) rotates the first permanent magnet (31).

6. A magnetic stirring apparatus as in claim 5, wherein the rotatable carrier (30) has a second recess (33) at the bottom, and a second permanent magnet (34) is disposed in the second recess (33).

7. A magnetic stirring device according to claim 6 further comprising a second magnetic rotor, the second magnetic rotor rotating when the rotatable carrier (30) rotates the second permanent magnet (34).

8. A magnetic stirring apparatus as set forth in claim 7 wherein the first and second magnetic rotors are provided with magnetic rods inside and corrosion-resistant material outside.

9. A magnetic stirring device according to claim 2 or 3, wherein the sleeve (40) is made of ceramic.

10. Magnetic stirring device according to claim 9, wherein the carrying base (10) is provided with a master switch (60), a speed knob (61) and a direction switch (62).