CN215341602U

CN215341602U - Physics magnetic experiment demonstration workstation

Info

Publication number: CN215341602U
Application number: CN202120680341.3U
Authority: CN
Inventors: 刘子隽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-28
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a physical magnetic experiment demonstration workbench which comprises a supporting seat, a fixed block, a first moving block, a second moving block and a pressure sensor, wherein the fixed block is fixedly connected with the supporting seat, the first moving block is connected with the supporting seat in a sliding manner, the second moving block is connected with the first moving block in a sliding manner, and fixing devices are arranged on the first moving block and the fixed block; this device is when experimenting the repulsion between the magnet, places two magnets respectively on the surface of fixed block and second movable block, then fixes it through fixing device, and fixing device's setting can prevent that magnet from because of the too big produced phenomenon of rocking of repulsion, then removes the distance that first movable block changed between the magnet, and the setting through pressure sensor then can effectually observe the produced repulsion size of the different distance between the magnet.

Description

Physics magnetic experiment demonstration workstation

Technical Field

The utility model relates to the field of physical experiment equipment, in particular to a physical magnetic experiment demonstration workbench.

Background

In physics teaching, there is a certain law of magnetic mechanics: like magnetic poles repel each other, unlike magnetic poles attract each other; in the experiment, utilize both hands to take a magnet respectively to demonstrate usually, can the actuation rapidly when two opposite one sides of magnet polarity are close to, can repel each other when two the same one sides of magnet polarity are close to, but this repellent effect demonstrates neither obviously nor enough directly perceived with both hands.

The existing magnetic repulsion demonstration device on the market can only observe the mutual repulsion distance between the magnets, but along with the mutual approaching or separating of the magnets, the size of the repulsion force between the magnets is changed, and the existing magnetic repulsion demonstration device cannot well show the change of the size of the repulsion force.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a physical magnetic experiment demonstration workbench to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a physics magnetic force experiment demonstration workstation, includes supporting seat, fixed block, first movable block, second movable block and pressure sensor, fixed block and supporting seat fixed connection, first movable block and supporting seat sliding connection, second movable block and first movable block sliding connection, all be equipped with fixing device on first movable block and the fixed block.

As a preferred embodiment of the present invention: the supporting seat is characterized in that a first sliding groove is formed in the supporting seat, one end of the first moving block is located in the first sliding groove and is in sliding connection with the first sliding groove, an engaging groove is formed in the first moving block, a lead screw penetrates through the engaging groove, and one end of the lead screw is fixedly connected with the output end of the motor.

As a still further preferable embodiment of the present invention: the surface of the supporting seat is provided with scales.

As a still further preferable embodiment of the present invention: the first moving block is provided with a limiting groove inside, the second moving block is provided with a protrusion on the surface, and the protrusion is located inside the limiting groove and is in sliding connection with the limiting groove.

As a still further preferable embodiment of the present invention: the surface of the first moving block and the two sides of the second moving block are respectively provided with a first baffle plate, a pressure sensor is fixed on the first baffle plate, the pressure sensor is fixedly connected with one end of a spring, the other end of the spring is attached to the surface of the second moving block, and the first baffle plates on the two sides of the second moving block and the fixed block are on the same line.

As a still further preferable embodiment of the present invention: the fixing device comprises a second baffle and a third baffle, the fixing block is fixedly connected with a second moving block, a second sliding groove is formed in the fixing block, one end of the third baffle is located in the second sliding groove and is in sliding connection with the second sliding groove, and a fastening bolt is arranged at one end, close to the third baffle, of the fixing block.

Compared with the prior art, the utility model has the beneficial effects that: this device is when experimenting the repulsion between the magnet, places two magnets respectively on the surface of fixed block and second movable block, then fixes it through fixing device, and fixing device's setting can prevent that magnet from because of the too big produced phenomenon of rocking of repulsion, then removes the distance that first movable block changed between the magnet, and the setting through pressure sensor then can effectually observe the produced repulsion size of the different distance between the magnet.

Drawings

Fig. 1 is an elevation view of the overall structure of a physical magnetic experiment demonstration workbench.

Fig. 2 is an elevation view of the overall structure of a physical magnetic experiment demonstration workbench.

Fig. 3 is a schematic diagram of connection of a second moving block of a physical magnetic experiment demonstration workbench.

Fig. 4 is a connection schematic diagram of a fixing device of a physics magnetic experiment demonstration workbench.

In the figure: the device comprises a support seat 1, a fixed block 2, a first moving block 3, a second moving block 4, a first sliding groove 5, a lead screw 6, a motor 7, a spring 8, a limiting groove 9, a pressure sensor 10, a first baffle plate 11, a scale 12, a bulge 13, a fastening bolt 14, a second baffle plate 15, a third baffle plate 16 and a second sliding groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the embodiment of the utility model, referring to fig. 1-2, a physical magnetic experiment demonstration workbench comprises a supporting seat 1, a fixed block 2, a first moving block 3, a second moving block 4 and a pressure sensor 10, wherein the fixed block 2 is fixedly connected with the supporting seat 1, the first moving block 3 is slidably connected with the supporting seat 1, the second moving block 4 is slidably connected with the first moving block 3, and fixing devices are arranged on the first moving block 3 and the fixed block 2; when the repulsion between the magnets is tested, the two magnets are respectively placed on the surfaces of the fixed block 2 and the second moving block 4, then the magnets are fixed through the fixing device, the fixing device is arranged to prevent the shaking phenomenon caused by overlarge repulsion, then the first moving block 3 is moved to change the distance between the magnets, and the magnitude of the repulsion generated by different distances between the magnets can be effectively observed through the arrangement of the pressure sensor 10.

As another embodiment of the present invention, please refer to fig. 1, a first sliding groove 5 is arranged inside the supporting seat 1, one end of the first moving block 3 is located inside the first sliding groove 5 and is slidably connected thereto, an engaging groove is arranged inside the first moving block 3, a lead screw 6 penetrates through the engaging groove, and one end of the lead screw 6 is fixedly connected with an output end of a motor 7; the motor 7 drives the lead screw 6 to rotate, the lead screw 6 and the meshing groove are matched with each other to drive the first moving block 3 to move, and the stability of the first moving block 3 during moving is improved.

Referring to fig. 2, as another embodiment of the present invention, scales 12 are provided on the surface of the supporting seat 1, and the distance between the magnets can be directly calculated by the worker through the scales 12, so that the worker can calculate the repulsive force conveniently.

Referring to fig. 3, as another embodiment of the present invention, a limiting groove 9 is formed in the first moving block 3, a protrusion 13 is formed on the surface of the second moving block 4, the protrusion 13 is located in the limiting groove 9 and is slidably connected with the limiting groove 9, and the protrusion 13 is limited by the limiting groove 9, so that the stability of the second moving block 4 during moving is improved.

As another embodiment of the present invention, please refer to fig. 1-2, a first baffle 11 is disposed on a surface of the first moving block 3 and two sides of the second moving block 4, a pressure sensor 10 is fixed on the first baffle 11, the pressure sensor 10 is fixedly connected to one end of a spring 8, the other end of the spring 8 is attached to a surface of the second moving block 4, and the first baffles 11 on two sides of the second moving block 4 are on the same line with the fixed block 2; the arrangement of the spring 8 has a protection effect on the pressure sensor 10, damage caused by the fact that the repulsion force is larger than the pressure sensor 10 can be prevented, and the pressure sensors 10 are arranged on the two sides of the second moving block 4, so that the device can test the size of the repulsion force between the magnets, and the size of the attraction force between the magnets can be calculated.

As another embodiment of the present invention, please refer to fig. 4, the fixing device includes a second baffle 15 and a third baffle 16, the fixed block 2 is fixedly connected to the second moving block 4, a second sliding slot 17 is disposed inside the fixed block 2, one end of the third baffle 16 is located inside the second sliding slot 17 and slidably connected thereto, and one end of the fixed block 2 close to the third baffle 16 is provided with a fastening bolt 14; when fixing magnet, place magnet between second baffle 15 and third baffle 16, extrude third baffle 16 through fastening bolt 14 and make third baffle 16 to the direction motion of second baffle 15, set up through second baffle 15 and third baffle 16 and played a fine fixed action to magnet, can prevent that magnet from because of the too big produced phenomenon of rocking of repulsion.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A physical magnetic experiment demonstration workbench comprises a supporting seat (1), a fixed block (2), a first moving block (3), a second moving block (4) and a pressure sensor (10); the device is characterized in that the fixed block (2) is fixedly connected with the supporting seat (1), the first moving block (3) is slidably connected with the supporting seat (1), the second moving block (4) is slidably connected with the first moving block (3), and fixing devices are arranged on the first moving block (3) and the fixed block (2).

2. The physics magnetomechanical experiment demonstration workbench according to claim 1, wherein a first sliding groove (5) is formed in the supporting base (1), one end of the first moving block (3) is located in the first sliding groove (5) and is in sliding connection with the first sliding groove, an engagement groove is formed in the first moving block (3), a lead screw (6) penetrates through the engagement groove, and one end of the lead screw (6) is fixedly connected with an output end of a motor (7).

3. A physics magnetomechanical experiment demonstration platform according to claim 1, wherein the surface of the support base (1) is provided with graduations (12).

4. The physics magnetomechanical experiment demonstration workbench according to claim 1, wherein a limiting groove (9) is formed inside the first moving block (3), a protrusion (13) is formed on the surface of the second moving block (4), and the protrusion (13) is located inside the limiting groove (9) and is in sliding connection with the limiting groove (9).

5. The physics magnetomechanical experiment demonstration workbench according to claim 1, wherein first baffle plates (11) are respectively arranged on the surface of the first moving block (3) and two sides of the second moving block (4), a pressure sensor (10) is fixed on each first baffle plate (11), the pressure sensor (10) is fixedly connected with one end of a spring (8), the other end of the spring (8) is attached to the surface of the second moving block (4), and the first baffle plates (11) on two sides of the second moving block (4) are on the same line with the fixed block (2).

6. A physics magnetic experiment demonstration workbench according to any one of claims 1 to 5, characterized in that the fixing device comprises a second baffle (15) and a third baffle (16), the fixed block (2) is fixedly connected with the second moving block (4), a second sliding groove (17) is arranged inside the fixed block (2), one end of the third baffle (16) is positioned inside the second sliding groove (17) and is slidably connected with the second sliding groove, and one end of the fixed block (2) close to the third baffle (16) is provided with a fastening bolt (14).