CN111179711A

CN111179711A - Multifunctional demonstrator for electromagnetism experiment

Info

Publication number: CN111179711A
Application number: CN202010212049.9A
Authority: CN
Inventors: 曾庆明
Original assignee: Jingdezhen Ceramic Institute
Current assignee: Jingdezhen Ceramic Institute
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-05-19

Abstract

The invention discloses a multifunctional demonstrator for an electromagnetism experiment, which comprises a bottom plate, a panel, an outer frame and a demonstrator, wherein the right side of the panel is arranged on the bottom plate through a hinge, the outer frame is arranged on the surface of the panel, the demonstrator is arranged in the outer wall surface of the outer frame, more than one screw hole is arranged in the outer wall surface of the outer frame, a screw rod is in threaded connection with each screw hole, a hand wheel is arranged at one end of each screw rod, a pressing plate is arranged at the other end of each screw rod, the right side of the bottom plate protrudes outwards to form a supporting plate, more than one mounting hole communicated with the bottom plate is arranged on the right side surface of the supporting plate, telescopic rods are arranged in the mounting holes, one end of each telescopic rod extends to the. The demonstrator has a simple structure, and can be pressed and fixed through the pressing plate, so that the surface of the demonstrator can directly face students after the panel is lifted, the students can watch the demonstrator conveniently, and the demonstrator can be moved conveniently through the universal wheels.

Description

Multifunctional demonstrator for electromagnetism experiment

Technical Field

The invention relates to the technical field of electromagnetism demonstration, in particular to a multifunctional demonstrator for an electromagnetism experiment.

Background

The electromagnetism experiment mainly researches the phenomenon of the interaction between electricity and magnetism, and one of the physics experiments of the law and the application. From the viewpoint of modern physics, magnetic phenomena are generated by moving charges, and thus magnetic contents are necessarily included to a different extent in the electrical range.

Present electromagnetism experimental apparatus has certain drawback when using, and the limitation is very big, often the instrument can only be put on the desktop, and the demonstration part and the removal part of instrument are generally all on the surface, and this student that just causes to be located the side can't see the condition on instrument surface to influence the show, present instrument is when removing simultaneously, generally can only hold it through the hand, causes very trouble and the fatigue of transport.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multifunctional demonstrator for electromagnetic experiments so as to solve the problems in the background art.

The invention is realized by the following technical scheme: a multifunctional demonstrator for electromagnetism experiments comprises a bottom plate, a panel, an outer frame and a demonstrator, wherein the panel is arranged on the surface of the bottom plate, the right side of the panel is arranged on the bottom plate through a hinge, the outer frame is arranged on the surface of the panel, the demonstrator is arranged in the outer frame, more than one screw hole is arranged on the outer wall surface of the outer frame, a screw rod is in threaded connection with the screw holes, one end of the screw rod is arranged outside and is provided with a hand wheel, the other end of the screw rod is provided with a pressing plate, the inner side surface of the pressing plate is provided with a rubber layer, the pressing plate opposite to the demonstrator is abutted against the outer wall surface of the demonstrator, the demonstrator is pressed and fixed by the pressing plate, the right side of the bottom plate protrudes outwards to form a supporting plate, more than one mounting hole communicated with the bottom plate is arranged on the right side surface of the supporting plate, more than one universal wheel is arranged on the outer wall surface of the fixed plate.

As the preferred technical scheme, more than one clamping block is arranged on the bottom surface of the panel, clamping grooves are formed in the positions, right opposite to the clamping blocks, on the surface of the bottom plate, and one ends of the clamping blocks are inserted into the clamping grooves.

As a preferred technical scheme, a supporting block is formed by the outward protrusion of the right side surface of the panel.

As the preferred technical scheme, handles are arranged on the left side surfaces of the panel and the bottom plate, and the handles are abutted.

As a preferred technical scheme, a drawer opening is arranged on one side surface of the panel, and a drawer for storing tools is arranged inside the drawer opening.

The invention has the beneficial effects that: the demonstrator has a simple structure, and can be pressed and fixed through the pressing plate, so that the surface of the demonstrator can directly face students after the panel is lifted, the students can watch the demonstrator conveniently, and the demonstrator can be moved conveniently through the universal wheels.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the present invention in use.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the multifunctional demonstrator for the electromagnetism experiment of the present invention comprises a bottom plate 4, a panel 2, an outer frame 13 and a demonstrator 7, wherein the panel 2 is arranged on the surface of the bottom plate 4, the right side of the panel 2 is mounted on the bottom plate 4 through a hinge, the outer frame 13 is mounted on the surface of the panel 2, the demonstrator 7 is arranged inside the outer frame 13, the outer wall surface of the outer frame 13 is provided with at least one screw hole, the screw holes are all in threaded connection with a screw rod 12, one end of the screw rod 12 is arranged outside and is provided with a hand wheel 11, the other end is provided with a pressure plate 14, the inner side surface of the pressure plate 14 is provided with a rubber layer 15, the pressure plate 14 opposite to the demonstrator 7 is abutted against the outer wall surface of the demonstrator 7, the demonstrator 7 is pressed and fixed by the pressure plate 14, the right side of the bottom plate 4 protrudes outwards to form a support plate 17, the right side surface, all install telescopic link 6 in the mounting hole, 6 one end of telescopic link all extends to the external world to install fixed plate 9, install more than one universal wheel 8 on the outer wall of fixed plate 9.

In this embodiment, the bottom surface of the panel 2 is provided with more than one fixture block 3, the surface of the bottom plate 4 is provided with a slot 16 opposite to the fixture block 3, and one end of the fixture block 3 is inserted into the slot 16.

In this embodiment, a support block 10 is formed on the right side of the panel 2 to protrude outward.

In this embodiment, the left side surfaces of the panel 2 and the bottom plate 4 are both provided with handles 1, and the handles 1 are abutted.

In this embodiment, a drawer opening is formed in one side surface of the panel 2, a drawer 5 for storing tools is arranged inside the drawer opening, tools such as a multimeter can be prevented from being stored in the drawer, and storage is facilitated.

If big coil electromagnetic induction phenomenon demonstrator, this demonstrator is placed back in the frame, rotatory hand wheel, the rotation of hand wheel has driven the screw rod, the rotatory drive pressure plate of screw rod, make just to the clamp plate of demonstrator department compress tightly on the demonstrator, make between demonstrator and the frame fixed, after the completion, the hand (hold) through the panel lifts up the panel, until making the panel perpendicular, the supporting shoe of panel lower extreme then supports in the backup pad, make the panel keep balance, enable the surface on the demonstrator just to the student through vertically panel, thereby make the student can be direct see the condition of display, wherein, magnet on this display then needs to be fixed, the teacher can take and carry out subsequent electromagnetic induction demonstration in hand.

Wherein, when removing, pull out the telescopic link, the removal of telescopic link has driven fixed plate and universal wheel, until making the universal wheel in the bottom surface contact, through this device of quick removal of universal wheel ability, wherein, this telescopic link is the telescopic link on the travelling basket, has automatic screens mechanism to bottom plate and panel etc. of upper end can be fixed.

Wherein, after the panel covers on the bottom plate, the fixture block can be inserted into the clamping groove, thereby connecting the panel and the bottom plate and avoiding the loosening of the panel and the bottom plate in the moving process.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a multi-functional demonstration ware of electromagnetism experiment which characterized in that: comprises a bottom plate (4), a panel (2), an outer frame (13) and a demonstrator (7), wherein the panel (2) is arranged on the surface of the bottom plate (4), the right side of the panel (2) is arranged on the bottom plate (4) through a hinge, the outer frame (13) is arranged on the surface of the panel (2), the demonstrator (7) is arranged inside the outer frame (13), the outer wall surface of the outer frame (13) is provided with more than one screw hole, the screw holes are internally and uniformly connected with a screw rod (12) in a threaded manner, one end of the screw rod (12) is arranged outside and is provided with a hand wheel (11), the other end of the screw rod is provided with a pressing plate (14), the inner side surface of the pressing plate (14) is provided with a rubber layer (15), the pressing plate (14) at the position right opposite to the demonstrator (7) is respectively abutted against the outer wall surface of the demonstrator (7), the demonstrator (7) is pressed and fixed by the pressing plate (14), be equipped with the mounting hole of more than one and bottom plate intercommunication on the right flank of backup pad (17), all install telescopic link (6) in the mounting hole, telescopic link (6) one end all extends to the external world to install fixed plate (9), install more than one universal wheel (8) on the outer wall of fixed plate (9).

2. The multifunctional demonstrator for the electromagnetism experiment of claim 1, wherein: more than one clamping block (3) is arranged on the bottom surface of the panel (2), clamping grooves (16) are formed in the positions, right opposite to the clamping blocks (3), on the surface of the bottom plate (4), and one ends of the clamping blocks (3) are inserted into the clamping grooves (16).

3. The multifunctional demonstrator for the electromagnetism experiment of claim 1, wherein: the right side surface of the panel (2) is outwards protruded to form a supporting block (10).

4. The multifunctional demonstrator for the electromagnetism experiment of claim 1, wherein: handles (1) are respectively arranged on the left side surfaces of the panel (2) and the bottom plate (4), and the handles (1) are abutted.

5. The multifunctional demonstrator for the electromagnetism experiment of claim 1, wherein: a drawer opening is arranged on one side surface of the panel (2), and a drawer (5) for storing tools is arranged inside the drawer opening.