Magnetorheological fluid display teaching device

Abstract

The utility model discloses a magnetorheological fluid display teaching device, belongs to the technical field of teaching display equipment, and aims to solve the technical problems that in the prior art, when a stirring paddle is arranged to stir magnetorheological fluid to flow and rotate to improve the display teaching effect, the stirring paddle can generate visual interference on the flow and rotation change of the magnetorheological fluid, and the display teaching effect is influenced. And the teaching effect displayed by the magnetorheological fluid is reduced. The magnetorheological fluid display teaching device comprises a base, a magnetorheological fluid container and a magnetic field generation structure, the magnetorheological fluid container is transparent, the magnetic field generation structure is installed on the base, and the magnetorheological fluid container is vertically installed at the top of the magnetic field generation structure. According to the magnetorheological fluid display teaching device, on the basis that the stirring paddle is arranged to stir magnetorheological fluid to flow and rotate so as to improve the display teaching effect, the visual interference of the stirring paddle on the flow and rotation change of the magnetorheological fluid can be reduced, and the display teaching effect of the magnetorheological fluid is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching and display equipment, and particularly relates to a magnetorheological fluid display and teaching device. Background Art

[0002] Magnetorheological fluid is a unique smart material composed of micron-sized magnetic particles dispersed in a carrier fluid. Under the influence of a magnetic field, these particles align into chain-like structures along the magnetic field, significantly increasing the fluid's apparent viscosity and even causing it to exhibit solid-like properties. When the magnetic field disappears, the fluid regains its fluidity.

[0003] Currently, magnetorheological fluid demonstration and teaching devices typically include: a magnetic field generating device for generating a magnetic field; a magnetorheological fluid container for containing the magnetorheological fluid; a drive device, a control system, and a display and explanation device. The drive device is primarily used to drive the magnetorheological fluid to flow or rotate within the container, so as to more intuitively demonstrate its changes and improve the display effect of the magnetorheological fluid. However, in actual teaching applications, it has been found that after the drive device drives the magnetorheological fluid to flow or rotate within the container, the drive device's stirring blades will visually interfere with the changes in the magnetorheological fluid within the container, thereby affecting the magnetorheological fluid display and teaching effect. To this end, the present application proposes a magnetorheological fluid demonstration and teaching device. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the purpose of the present invention is to provide a magnetorheological fluid display and teaching device, which aims to solve the technical problem that under the existing technology, while setting a stirring paddle to stir the flow and rotation of the magnetorheological fluid to improve the display and teaching effect, the stirring paddle will cause visual interference to the flow and rotation of the magnetorheological fluid, thereby reducing the display and teaching effect of the magnetorheological fluid.

[0005] In order to solve the above technical problems, the utility model provides a magnetorheological fluid display and teaching device, including a base, a magnetorheological fluid container and a magnetic field generating structure, the magnetorheological fluid container is transparent, the magnetic field generating structure is installed on the base, the magnetorheological fluid container is vertically installed on the top of the magnetic field generating structure, the magnetorheological fluid container is installed with a stirring paddle for stirring the magnetorheological fluid in the magnetorheological fluid container, and the base is provided with a lifting drive mechanism for driving the stirring paddle to rise and fall.

[0006] Preferably, the lifting drive mechanism includes a vertical arm vertically mounted on the base, a lifting slot provided on the vertical arm, a screw rod vertically rotatably mounted in the lifting slot, and a slider slidably embedded in the lifting slot, the slider is threadedly engaged with the screw rod, a first motor for driving the screw rod to rotate is installed at the top of the vertical arm, and the stirring paddle is installed on the slider.

[0007] Preferably, the stirring paddle includes a bracket horizontally fixed on the slider, a stirring rod vertically rotatably installed at the bottom of the bracket, and a second motor installed on the bracket for driving the stirring rod to rotate, the bottom end of the stirring rod movably passes through the top surface of the magnetorheological fluid container and extends into the magnetorheological fluid container, and a stirring blade is installed at the bottom end of the stirring rod.

[0008] Preferably, a funnel is fixed to the top of the magnetorheological fluid container, the bottom of the funnel is communicated with the magnetorheological fluid container, and the stirring rod vertically passes through the funnel and extends into the magnetorheological fluid container.

[0009] Preferably, a main cabinet is provided on the base, a display screen is provided on the main cabinet, and the main cabinet is control-connected to the magnetic field generating structure, the first motor and the second motor.

[0010] Preferably, the magnetic field generating structure is one of an electromagnet and a permanent magnet.

[0011] Preferably, electric push rods are installed at the four corners of the bottom of the base, and the telescopic ends of the electric push rods are vertically downward and equipped with rollers.

[0012] Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model can adjust the overall height of the device by starting the electric push rod to extend and retract, and start the second motor to drive the stirring rod and the stirring blade to rotate, so as to drive the magnetorheological fluid to flow or rotate in the magnetorheological fluid container, so as to intuitively display its changes and improve the display and teaching effect of the magnetorheological fluid. In addition, a lifting drive mechanism is provided to drive the stirring paddle to rise and fall. After the stirring blade and the stirring rod drive the magnetorheological fluid to flow or rotate in the magnetorheological fluid container, the first motor is started to drive the screw to rotate, and the slider is driven to drive the bracket to raise the stirring rod and the stirring blade, and the stirring blade is moved to the top of the magnetorheological fluid container, which can reduce the visual interference of the stirring blade and the stirring rod on the flow and rotation changes of the magnetorheological fluid, and further improve the display and teaching effect of the magnetorheological fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic structural diagram of the lifting drive mechanism and magnetorheological fluid container in the present invention;

[0018] Figure 3 For this utility model Figure 2 A magnified view of point A in the figure;

[0019] Figure 4 It is a structural schematic diagram of the stirring paddle in the present utility model.

[0020] The markings in the accompanying drawings are: 1. base; 2. main cabinet; 3. magnetorheological fluid container; 4. magnetic field generating structure; 5. stirring paddle; 6. lifting drive mechanism; 7. display screen; 8. electric push rod; 9. roller; 10. vertical arm; 11. lifting slot; 12. screw; 13. first motor; 14. bracket; 15. funnel; 16. slider; 17. stirring rod; 18. stirring blade; 19. second motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] This embodiment provides a magnetorheological fluid display teaching device, the structural diagram of which is as follows: Figures 1-4 As shown, it includes a base 1, a magnetorheological fluid container 3 and a magnetic field generating structure 4. The magnetorheological fluid container 3 is transparent. The magnetic field generating structure 4 is installed on the base 1. The magnetorheological fluid container 3 is vertically installed on the top of the magnetic field generating structure 4. A stirring paddle 5 for stirring the magnetorheological fluid in the magnetorheological fluid container 3 is installed on the magnetorheological fluid container 3. A lifting drive mechanism 6 for driving the stirring paddle 5 to rise and fall is provided on the base 1. Through this structural method, the magnetic field generating structure 4 generates a magnetic field. Under the action of the magnetic field, the magnetic particles in the magnetorheological fluid in the magnetorheological fluid container 3 are The particles are arranged into a chain structure along the direction of the magnetic field, the viscosity of the liquid increases, and it exhibits properties similar to that of a solid. With the help of a transparent magnetorheological fluid container 3, the magnetorheological fluid can be displayed intuitively, thereby realizing the display and teaching of the magnetorheological fluid. Among them, the magnetorheological fluid is driven to flow or rotate in the magnetorheological fluid container 3 by a stirring paddle 5, which can intuitively display the changes of the magnetorheological fluid and improve the teaching and demonstration effect. In addition, the stirring paddle 5 is driven to rise by the lifting drive mechanism 6, which can reduce the visual interference of the stirring paddle 5 on the flow and rotation changes of the magnetorheological fluid, thereby ensuring the display and teaching effect of the magnetorheological fluid.

[0023] In this embodiment, the magnetic field generating structure 4 is an electromagnet or a permanent magnet, both of which are used to generate a magnetic field.

[0024] As a preferred technical solution in this embodiment, the lifting drive mechanism 6 includes a vertical arm 10 vertically installed on the base 1, a lifting groove 11 opened on the vertical arm 10, a screw rod 12 vertically rotatably installed in the lifting groove 11, and a slider 16 slidably embedded in the lifting groove 11. The slider 16 is threadedly engaged with the screw rod 12. A first motor 13 for driving the screw rod 12 to rotate is installed at the top of the vertical arm 10, and the stirring paddle 5 is installed on the slider 16. Through this structural method, starting the first motor 13 to drive the screw rod 12 to rotate can drive the slider 16 to drive the stirring paddle 5 to move up and down. When the stirring paddle 5 descends, it can be used to stir the magnetorheological fluid in the magnetorheological fluid container 3. When the stirring paddle 5 rises, it can reduce interference with the magnetorheological fluid display.

[0025] As a preferred technical solution in this embodiment, the stirring paddle 5 includes a bracket 14 horizontally fixed on the slider 16, a stirring rod 17 vertically rotatably installed at the bottom of the bracket 14, and a second motor 19 installed on the bracket 14 for driving the stirring rod 17 to rotate. The bottom end of the stirring rod 17 is movable through the top surface of the magnetorheological fluid container 3 and extends into the magnetorheological fluid container 3, and a stirring blade 18 is installed at the bottom end of the stirring rod 17. By starting the second motor 19 to drive the stirring rod 17 and the stirring blade 18 to rotate, the magnetorheological fluid can be driven to flow or rotate in the magnetorheological fluid container 3, so as to intuitively display its changes and improve the teaching demonstration effect.

[0026] In this embodiment, a funnel 15 is fixed to the top of the magnetorheological fluid container 3, and the bottom of the funnel 15 is connected to the magnetorheological fluid container 3. A stirring rod 17 vertically passes through the funnel 15 and extends into the magnetorheological fluid container 3. The arrangement of the funnel 15 allows the magnetorheological fluid adhering to the stirring rod 17 to be collected by the funnel 15 and flowed back into the magnetorheological fluid container 3 when the stirring rod 17 rises. A main cabinet 2 is provided on the base 1, and a display screen 7 is provided on the main cabinet 2. The main cabinet 2 is controllably connected to the magnetic field generating structure 4, the first motor 13, and the second motor 19 to realize the control operation of the demonstration and teaching device. In addition, the changes in the magnetorheological fluid in the magnetorheological fluid container 3 are explained in conjunction with the display screen 7 on the main cabinet 2, thereby realizing efficient demonstration and teaching of magnetorheological fluid.

[0027] Furthermore, in this embodiment, electric push rods 8 are installed at the four corners of the bottom of the base 1. The telescopic ends of the electric push rods 8 are vertically downward and are equipped with rollers 9. The rollers 9 can facilitate the movement of the display teaching equipment. The electric push rods 8 can be telescopically adjusted to adjust the display height of the display teaching equipment.

[0028] Working principle: When in use, the magnetic field generating structure 4 generates a magnetic field. Under the action of the magnetic field, the magnetic particles in the magnetorheological fluid in the magnetorheological fluid container 3 are arranged into a chain structure along the direction of the magnetic field, the viscosity of the liquid increases, and it exhibits properties similar to those of a solid. With the help of the transparent magnetorheological fluid container 3, the phenomenon can be intuitively displayed. In combination with the display screen 7 on the main cabinet 2, the display and teaching of magnetorheological fluid can be realized. Among them, by starting the electric push rod 8 to extend and retract, the overall height of the device can be adjusted to improve the display and teaching effect of magnetorheological fluid. In addition, starting the second motor 19 drives the stirring rod 17 and the stirring blade 18 Rotation can drive the magnetorheological fluid to flow or rotate in the magnetorheological fluid container 3, so as to intuitively display its changes and improve the teaching demonstration effect. Furthermore, after the stirring blade 18 and the stirring rod 17 drive the magnetorheological fluid to flow or rotate in the magnetorheological fluid container 3, the first motor 13 is started to drive the screw 12 to rotate, and the slider 16 drives the bracket 14 to raise the stirring rod 17 and the stirring blade 18, and the stirring blade 18 moves to the top of the magnetorheological fluid container 3. This can reduce the visual interference of the stirring blade 18 and the stirring rod 17 on the flow and rotation changes of the magnetorheological fluid, further improving the display and teaching effect of the magnetorheological fluid.

[0029] All technical features in this embodiment can be freely combined according to actual needs.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A magnetorheological fluid display and teaching device, comprising a base (1), a magnetorheological fluid container (3) and a magnetic field generating structure (4), wherein the magnetorheological fluid container (3) is transparent, and is characterized in that: The magnetic field generating structure (4) is mounted on the base (1), the magnetorheological fluid container (3) is vertically mounted on the top of the magnetic field generating structure (4), the magnetorheological fluid container (3) is mounted with a stirring paddle (5) for stirring the magnetorheological fluid in the magnetorheological fluid container (3), and the base (1) is provided with a lifting drive mechanism (6) for driving the stirring paddle (5) to move up and down; the lifting drive mechanism (6) comprises a vertical arm (10) vertically mounted on the base (1), a lifting groove (11) provided on the vertical arm (10), a screw rod (12) vertically rotatably mounted in the lifting groove (11), and a slider (16) slidably embedded in the lifting groove (11), the slider (16) and the screw rod (12) are threadedly sleeved, the top of the vertical arm (10) is mounted with a first motor (13) for driving the screw rod (12) to rotate, and the stirring paddle (5) is mounted on the slider (16); the stirring paddle ( 5) comprises a bracket (14) fixed horizontally on a slider (16), a stirring rod (17) vertically rotatably mounted on the bottom of the bracket (14), and a second motor (19) mounted on the bracket (14) for driving the stirring rod (17) to rotate, wherein the bottom end of the stirring rod (17) movably penetrates the top surface of the magnetorheological fluid container (3) and extends into the magnetorheological fluid container (3), and a stirring blade (18) is mounted on the bottom end of the stirring rod (17); a funnel (15) is fixed on the top end of the magnetorheological fluid container (3), the bottom end of the funnel (15) is connected to the magnetorheological fluid container (3), and the stirring rod (17) vertically passes through the funnel (15) and extends into the magnetorheological fluid container (3); a main cabinet (2) is arranged on the base (1), a display screen (7) is arranged on the main cabinet (2), and the main cabinet (2) is control-connected to the magnetic field generating structure (4), the first motor (13) and the second motor (19).

2. A magnetorheological fluid display and teaching device according to claim 1, characterized in that: The magnetic field generating structure (4) is an electromagnet or a permanent magnet.

3. The magnetorheological fluid display and teaching device according to claim 1, characterized in that: Electric push rods (8) are installed at the four corners of the bottom of the base (1), and the telescopic ends of the electric push rods (8) are vertically downward and equipped with rollers (9).

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