CN211529441U - Multifunctional physical and mathematical teaching experimental device - Google Patents

Abstract

The utility model discloses a multi-functional physics and mathematical education experimental apparatus, the on-line screen storage device comprises a base, the up end fixed mounting of base has the slide rail, block slidable mounting has slider one, slider two, slider three in proper order from a left side to the right side on the slide rail, the up end fixed mounting of slider one has the magnifying glass, the up end snap-fit of slider two has the cardboard. According to the multifunctional physical and mathematical teaching experimental device, the physical projection mechanism is formed by the flashlight, the magnifier, the paper board and the transparent glass cylinder, the experimental process is visual and clear, so that a student can more clearly see the projection principle and various factors influencing the projection, and the operation and use are convenient; can make the student can clearly understand under the not tight state of deep and audio-visual realization tap, how much water resource can be wasted one day to make the student avoid closing not tight tap in the life, combine the bit in the life to carry out effectual teaching in the aspect of the mathematics, teaching effect is good.

Description

A multifunctional physics and mathematics teaching experimental device

technical field

The utility model relates to the technical field of physics and mathematics teaching equipment, in particular to a multifunctional physics and mathematics teaching experimental device.

Background technique

Physics is a discipline that studies the most general laws of matter motion and the basic structure of matter. As the leading discipline of natural science, physics studies the most basic motion forms and laws of all matter ranging from the universe to elementary particles. The research basis of scientific disciplines; mathematics is a discipline that studies concepts such as quantity, structure, change, space, and information. From a certain point of view, it belongs to a kind of formal science.

The structure of today's physical projection devices is complex. During the experiment process, students cannot clearly and intuitively understand the various factors that affect projection, and the teaching effect is poor. Moreover, in the teaching process of today's mathematical calculations, it is difficult to combine the details of life. Teaching for students, the teaching impression is not deep enough, the teaching effect is average, and it is not easy to use.

Utility model content

The purpose of the present utility model is to provide a multifunctional physics and mathematics teaching experiment device, so as to solve the problem that the present physical projection device proposed in the above-mentioned background technology has a complex structure, and during the experiment process, it cannot make students clearly and intuitively understand the influence of projection. Due to various factors, the teaching effect is poor, and in the teaching process of today's mathematical calculation, it is difficult to combine the details of life to teach students, the teaching impression is not deep enough, the teaching effect is average, and it is not easy to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional physics and mathematics teaching experiment device, comprising a base, the upper end surface of the base is fixedly installed with a slide rail, and the slide rails are clamped in sequence from left to right. The slider 1, the slider 2, and the slider 3 are installed in a sliding manner. A magnifying glass is fixedly installed on the upper end surface of the slider 1. Cardboard is installed on the upper end surface of the slider 2. The upper end surface of the slider 3 is installed. A fixed seat is fixedly installed on the end face, a flashlight is fixedly installed on the left side of the fixed seat, a support frame is fixedly installed on the left side of the upper end face of the base, a measuring cup is placed at the bottom of the support frame, and the upper part of the support frame is fixedly installed. A transparent glass cylinder is placed on the end surface, the left side of the transparent glass cylinder is pasted and connected with thin paper, and the left side of the upper end surface of the base is fixedly installed with a chronograph stopwatch.

Preferably, the upper end surface of the second sliding block is provided with a linear card slot, the bottom of the cardboard is engaged with the inner side of the card slot, and the cardboard is provided with a light-transmitting slot.

Preferably, the upper end surface of the support frame is a downwardly concave arc-shaped structure, the transparent glass cylinder is a spherical structure, the bottom of the transparent glass cylinder is attached to the upper end surface of the support frame, and the transparent glass cylinder The upper end face is provided with a water inlet.

Preferably, a connecting pipe is fixedly installed at the bottom of the transparent glass cylinder, a valve is fixedly installed on the connecting pipe, a dripper is fixedly installed at the lower end of the connecting pipe, and the measuring cup is located directly below the dripper.

Preferably, the upper end surface of the sliding rail is provided with a scale, and the sliding rail matches the first slider, the second slider and the third slider.

Compared with the prior art, the beneficial effects of the present utility model are:

1. This multifunctional physics and mathematics teaching experimental device constitutes a physical projection mechanism by setting a flashlight, a magnifying glass, cardboard and a transparent glass cylinder, and the distance between the flashlight, magnifying glass, cardboard and transparent glass cylinder can be adjusted, and the experimental process is intuitive. Clear, so that students can more clearly see the principle of projection, as well as various factors affecting projection, easy to operate and use;

2. In this multifunctional physics and mathematics teaching experimental device, during the mathematics teaching process, the operator opens the valve to make the water in the transparent glass cylinder drip from the dripper into the measuring cup through the connecting pipe, and the operator can turn on the chronograph stopwatch at the same time. , calculate the different speeds of water dripping at different times, and the amount of water collected by the measuring cup to perform mathematical calculations, so that students can clearly and intuitively understand how much water resources can be wasted in a day when the faucet is not tightly closed, so that students can Avoid turning off the faucet tightly in life, and carry out effective teaching of mathematics in combination with the bits and pieces of life, and the teaching effect is good.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Fig. 2 is the front view structure schematic diagram of the utility model;

FIG. 3 is a cross-sectional structural schematic diagram of the support frame of the present invention.

In the picture: 1. Base; 2. Slide rail; 3. Slider 1; 4. Slider 2; 5. Slider 3; 6. Magnifying glass; 7. Cardboard; 8. Fixed seat; 9. Flashlight; 10. Support Rack; 11, measuring cup; 12, transparent glass cylinder; 13, tissue paper; 14, chronograph; 15, card slot; 16, valve; 17, dripper; 18, light-transmitting slot; 19, water inlet; 20, connection Tube; 21. Scale.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a multifunctional physics and mathematics teaching experimental device, comprising a base 1, a sliding rail 2, a sliding block 1 3, a sliding block 2 4, a sliding block 3 5, Magnifying glass 6, cardboard 7, holder 8, flashlight 9, support frame 10, measuring cup 11, transparent glass cylinder 12, tissue paper 13, chronograph 14, card slot 15, valve 16, dripper 17, light-transmitting slot 18, plus The nozzle 19, the connecting pipe 20 and the scale 21, the upper end surface of the base 1 is fixedly installed with the slide rail 2, and the slide rail 2 is fitted and slidably installed in sequence from left to right. Slider one 3, slider two 4, slider three 5 , a magnifying glass 6 is fixedly installed on the upper end surface of the slider one 3, a cardboard 7 is installed on the upper end surface of the slider two 4, a fixed seat 8 is fixedly installed on the upper end surface of the slider three 5, and the left side of the fixed seat 8 is fixedly installed There is a flashlight 9, a support frame 10 is fixedly installed on the left side of the upper end surface of the base 1, a measuring cup 11 is placed at the bottom of the support frame 10, a transparent glass cylinder 12 is placed on the upper end surface of the support frame 10, and the left side of the transparent glass cylinder 12 is placed A thin paper 13 is attached and attached, and a chronograph 14 is fixedly mounted on the left side of the upper end surface of the base 1 .

Further, the upper end face of the second slider 4 is provided with a linear card slot 15, the bottom of the cardboard 7 is engaged with the inner side of the card slot 15, and the cardboard 7 is provided with a light-transmitting slot 18, which is convenient for The cardboard 7 is snap-fitted and installed, and the light-transmitting groove 18 can be of any shape.

Further, the upper end surface of the support frame 10 is a downwardly concave arc-shaped structure, the transparent glass cylinder 12 is a spherical structure, the bottom of the transparent glass cylinder 12 is attached to the upper end surface of the support frame 10, and the upper end surface of the transparent glass cylinder 12 is attached. A water filling port 19 is provided, the interior of the transparent glass cylinder 12 is filled with water, and the transparent glass cylinder 12 is placed through the set support frame 10. During the physical experiment, the operator turns on the flashlight 9, and the light emitted by the flashlight 9 penetrates through the tank. Through the light-transmitting groove 18, then through the magnifying glass 6, and then through the transparent glass cylinder 12, and finally irradiated on the thin paper 13, the projection on the thin paper 13 is the reflection of the shape of the light-transmitting groove 18. 3. Slider two 4 or slider three 5, adjust the distance between the magnifying glass 6, the cardboard 7 and the transparent glass cylinder 12, so as to adjust the clarity of the projected image, the experimental process is intuitive and clear, so that the students can see the projection more clearly The principle and various factors that affect the projection are easy to operate and use.

Further, a connecting pipe 20 is fixedly installed at the bottom of the transparent glass cylinder 12, a valve 16 is fixedly installed on the connecting pipe 20, a dripper 17 is fixedly installed at the lower end of the connecting pipe 20, and the measuring cup 11 is located directly below the dripper 17. By opening the valve 16, the water inside the transparent glass cylinder 12 drips from the dripper 17 into the measuring cup 11 through the connecting pipe 20. At the same time, the operator can turn on the chronograph 14 to calculate the different speeds of water dripping at different times. And the amount of water collected by the measuring cup 11 is calculated mathematically, so that the students can clearly and intuitively realize how much water resources can be wasted in a day when the faucet is not tightly closed, so that the students can avoid the faucet that is not tightly closed in life. The effective teaching of mathematics is carried out bit by bit, and the teaching effect is good.

Further, the upper end surface of the slide rail 2 is provided with a scale 21, and the slide rail 2 is matched with the slider one 3, the slider two 4, the slider three 5, and the set scale 21 is convenient for the operator to record the flashlight 9, magnifying glass 6, The value of the distance between the cardboard 7 and the transparent glass cylinder 12.

Working principle: First, during the physical experiment, the operator turns on the flashlight 9, the light emitted by the flashlight 9 passes through the light-transmitting groove 18, then passes through the magnifying glass 6, and then passes through the transparent glass cylinder 12, and finally illuminates the tissue paper 13. , the projection on the thin paper 13 is the reflection of the shape of the light-transmitting groove 18 . The distance of the projection image can be adjusted to adjust the clarity of the projected image. The experimental process is intuitive and clear, so that the students can see the principle of projection and various factors affecting the projection more clearly, which is convenient for operation and use. The set scale 21 is convenient for the operator to record the flashlight. 9 , the value of the distance between the magnifying glass 6, the cardboard 7 and the transparent glass cylinder 12. During the mathematics teaching process, the operator opens the valve 16 to make the water in the transparent glass cylinder 12 drip from the dripper 17 to the measuring cup through the connecting pipe 20. In 11, at the same time, the operator can turn on the chronograph 14 to calculate the different speeds of water dripping at different times, and the amount of water collected by the measuring cup 11 for mathematical calculation, so that the students can clearly and intuitively realize that the faucet is not tightly closed. , how much water resources can be wasted in a day, so that students can avoid turning off the faucet tightly in life, and effectively teach mathematics in combination with the bits and pieces of life, and the teaching effect is good.

Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Without departing from the essence and scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a multi-functional physics and mathematical education experimental apparatus, includes the base, its characterized in that: the utility model discloses a timing stopwatch, including base, upper end face fixed mounting, the slide rail has a slide rail, block slidable mounting has slider one, slider two, slider three in proper order from a left side to the right side on the slide rail, the up end fixed mounting of slider one has the magnifying glass, the up end block of slider two installs the cardboard, the up end fixed mounting of slider three has the fixing base, the left side fixed mounting of fixing base has the flashlight, the left side fixed mounting of base up end has the support frame, the graduated flask has been put to the bottom of support frame, the up end of support frame has been put transparent glass jar, transparent glass jar's left side is pasted and is connected with thin paper, the left side fixed mounting of base up end has the timing stopwatch.

2. The multifunctional physical and mathematical education experimental device according to claim 1, characterized in that: the upper end face of the second sliding block is provided with a linear clamping groove, the bottom of the paperboard is clamped on the inner side of the clamping groove, and the paperboard is provided with a light transmitting groove.

3. The multifunctional physical and mathematical education experimental device according to claim 1, characterized in that: the upper end face of the support frame is of a downward-sunken arc-shaped structure, the transparent glass cylinder is of a spherical structure, the bottom of the transparent glass cylinder is attached to the upper end face of the support frame, and a water filling port is formed in the upper end face of the transparent glass cylinder.

4. The multifunctional physical and mathematical education experimental device according to claim 1, characterized in that: the bottom fixed mounting of transparent glass jar has the connecting pipe, fixed mounting has the valve on the connecting pipe, the lower extreme fixed mounting of connecting pipe has the dripper, the graduated flask is located the position under the dripper.

5. The multifunctional physical and mathematical education experimental device according to claim 1, characterized in that: the upper end face of the sliding rail is provided with scales, and the sliding rail is matched with the first sliding block, the second sliding block and the third sliding block.

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