CN209980597U

CN209980597U - Light reflection and light refraction demonstration device

Info

Publication number: CN209980597U
Application number: CN201822219093.3U
Authority: CN
Inventors: 董娜
Original assignee: Tianjin Liangyi Science And Technology Co Ltd
Current assignee: Tianjin Liangyi Science And Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-01-21
Anticipated expiration: 2028-12-27

Abstract

The utility model relates to a reflection of light, refraction presentation device of light, including the demonstration box, the middle part of demonstration box both sides inner wall is all fixed and is equipped with the cardboard, is equipped with the reflector panel between two cardboards, and the top of two cardboards is fixed and is equipped with fan-shaped backplate, and the avris of fan-shaped backplate is fixed and is equipped with a pair of arc draw runner, and sliding connection has the arc slider between two arc draw runners, and the middle part of fan-shaped backplate has inlayed first protractor. The utility model relates to a light reflection and light refraction demonstration device, which is characterized in that the design of a fan-shaped back plate can clearly display the light path, thereby facilitating the students to observe the change of the light path; under the cooperation of the arc-shaped sliding strip and the arc-shaped sliding block, which are arranged on the fan-shaped back plate, the position of the laser pen can be flexibly changed, so that the incident angle of light can be flexibly adjusted, and the first protractor is convenient for an operator to refer to and determine the incident angle.

Description

Light reflection and light refraction demonstration device

Technical Field

The utility model relates to a presentation device especially relates to a reflection of light, refraction presentation device of light.

Background

The law of refraction of light is one of the basic laws of geometric optics, and is the law of determining the relationship between a refracted ray and an incident ray in the process of refraction of light, and reflection of light is an optical phenomenon, which refers to the phenomenon that when light is transmitted to different substances, the transmission direction is changed on an interface and the light returns to the original substance.

At present, in optical teaching, the reflection phenomenon and the refraction phenomenon of light need to be demonstrated, when a traditional demonstration device is used for demonstration, students cannot clearly observe a light path, the demonstration effect is reduced, and the traditional demonstration device cannot flexibly demonstrate the reflection phenomenon and the refraction phenomenon of light respectively, so that the function is weak; in the demonstration, the incident angle, the reflection angle and the refraction angle are not convenient to determine, and the demonstration efficiency and quality are reduced.

Disclosure of Invention

An object of the utility model is to provide a reflection of light, refraction presentation device of light to solve the presentation device inefficiency that provides among the above-mentioned background art, the quality is poor, be not convenient for the student observe and understand the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reflection of light, refraction presentation device of light, includes the demonstration box, the middle part of demonstration box both sides inner wall is all fixed and is equipped with the cardboard, two be equipped with the reflector panel between the cardboard, two the fixed fan-shaped backplate that is equipped with in top of cardboard, the avris of fan-shaped backplate is fixed and is equipped with a pair of arc draw runner, two sliding connection has the arc slider between the arc draw runner, the middle part of fan-shaped backplate has inlayed first protractor, the fixed refraction board that is equipped with through a pair of telescopic link in the inside bottom of demonstration box, the front of demonstration box articulates there is the apron, the fixed pull ring that is equipped with in middle part on demonstration box top, the back of demonstration box is equipped with the black cloth cover, the middle part of black cloth.

As an optimal technical scheme of the utility model, the both sides of reflector panel are passed through the card strip and are connected with two cardboard blocks respectively, the top of reflector panel has inlayed the level crossing.

As an optimized technical scheme of the utility model, one side of arc slider is connected with the laser pen through the connecting rod rotation.

As an optimized technical scheme of the utility model, the fixed second protractor that is equipped with in middle part of refraction board bottom.

As a preferred technical scheme of the utility model, the inside one corner of demonstration box is fixed and is equipped with the storage box, the inside of storage box is equipped with the drawer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a light reflection and light refraction demonstration device, which can clearly display the light path by the design of a fan-shaped back plate, and is convenient for students to observe the change of the light path; under the matching use of the arc-shaped sliding strip and the arc-shaped sliding block arranged on the fan-shaped back plate, the position of the laser pen can be flexibly changed, so that the incident angle of light can be flexibly adjusted, and an operator can conveniently determine the incident angle by referring to the first protractor; the plane mirror arranged at the top end of the reflector can reflect light to realize light reflection, and the clamping strips arranged at the two sides of the reflector can facilitate the reflector to be taken out; the telescopic rod is matched with the refraction plate for use, so that a light refraction experiment can be quickly and conveniently adjusted, and the refraction angle of light can be quickly and accurately determined under the matching of the second protractor, so that the understanding of students is facilitated, and the demonstration content is enriched; the design of the storage box and the drawer can be used for kitchen articles required by optical experiments such as convex lenses, candles and the like, is convenient to carry, and increases the function of the demonstration device; the design of black cloth cover can make things convenient for the operator to operate, carries out certain shielding to the demonstration box simultaneously, reduces the influence of external illumination to inside experiment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the top view structure of the fan-shaped back plate of the present invention.

In the figure: 1. a demonstration box body; 2. clamping a plate; 3. a storage box; 4. a drawer; 5. a pull ring; 6. a sector-shaped back plate; 7. a first protractor; 8. an arc-shaped slide bar; 9. an arc-shaped sliding block; 10. a laser pen; 11. a telescopic rod; 12. a refracting plate; 13. a second protractor; 14. a reflector; 15. clamping the strip; 16. a cover plate; 17. a black cloth cover; 18. and (4) extending into the opening.

The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a reflection of light, refraction presentation device of light, including demonstration box 1, the middle part of demonstration box 1 both sides inner wall is all fixed to be equipped with cardboard 2, be equipped with reflector panel 14 between two cardboard 2, the fixed fan-shaped backplate 6 that is equipped with in top of two cardboard 2, the fixed a pair of arc draw runner 8 that is equipped with in avris of fan-shaped backplate 6, sliding connection has arc slider 9 between two arc draw runners 8, the middle part of fan-shaped backplate 6 has inlayed first protractor 7, the fixed refraction board 12 that is equipped with through a pair of telescopic link 11 in the inside bottom of demonstration box 1, the front of demonstration box 1 articulates there is apron 16, the fixed pull ring 5 that is equipped with in middle part on demonstration box 1 top, the back of demonstration box 1 is equipped with black cloth cover 17, the middle part of black cloth cover 17.

Preferably, the both sides of reflector panel 14 are connected with two 2 block of cardboard respectively through card strip 15, and the top of reflector panel 14 has inlayed the level crossing, makes things convenient for reflector panel 14 to take out in a flexible way, and the reflection experiment of light can be accomplished to the level crossing simultaneously.

Preferably, one side of the arc-shaped sliding block 9 is connected with a laser pen 10 in a rotating mode through a connecting rod, the laser pen 10 serves as a light source and is connected in a rotating mode through the connecting rod, the incident angle can be changed flexibly, and the laser pen is convenient and fast to use.

Preferably, a second protractor 13 is fixedly arranged in the middle of the bottom end of the refraction plate 12, and the second protractor 13 can be referred by an operator so as to determine the refraction angle of the light.

Preferably, the fixed storage box 3 that is equipped with in one corner of demonstration box 1 inside, the inside of storage box 3 is equipped with drawer 4, can deposit the article that optical experiments needs such as candle, convex lens, and it is more convenient to use.

When in specific use, the utility model provides a reflection of light, refraction presentation device of light, the operator can overturn apron 16, stretches into the hand and stretches into the mouth 18 that stretches into of black cloth cover 17, and manual promotion arc slider 9 moves between two arc slides 8, can confirm incident angle through referring to first protractor 7, then opens laser pen 10, and laser pen 10 sends laser like this, and light shines the level crossing at 14 tops of reflector panel, takes place the reflection, and the operator can refer to first protractor 7 and confirm reflection angle to record data; after the reflection demonstration is completed, the operator can take out the reflector 14 which is clamped and connected, stretch the telescopic rod 11 to enable the refraction plate 12 to be flush with the clamping plate 2 in height, then adjust the irradiation angle of the laser pen 10, and refer to the second protractor 13 to obtain the refraction angle, so that the refraction experiment is completed; the operator can pull out the drawer 4 to store articles such as the battery of the laser pen 10, and can carry and transfer the demonstration device by pulling up the pull ring 5.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The light reflection and light refraction demonstration device comprises a demonstration box body (1) and is characterized in that clamping plates (2) are fixedly arranged in the middle of inner walls of two sides of the demonstration box body (1), a reflection plate (14) is arranged between the two clamping plates (2), a fan-shaped back plate (6) is fixedly arranged at the top ends of the two clamping plates (2), a pair of arc-shaped sliding strips (8) is fixedly arranged on the side of the fan-shaped back plate (6), an arc-shaped sliding block (9) is connected between the two arc-shaped sliding strips (8) in a sliding manner, a first protractor (7) is embedded in the middle of the fan-shaped back plate (6), a refraction plate (12) is fixedly arranged at the bottom end of the inside of the demonstration box body (1) through a pair of telescopic rods (11), a cover plate (16) is hinged to the front of the demonstration box body (1), and a pull ring, the back of the demonstration box body (1) is provided with a black cloth cover (17), and the middle of the black cloth cover (17) is provided with an extending opening (18).

2. A light reflection and refraction demonstration device according to claim 1, wherein the two sides of the reflective plate (14) are respectively connected with the two clamping plates (2) in a clamping manner through clamping strips (15), and the top end of the reflective plate (14) is embedded with the plane mirror.

3. A light reflection and refraction demonstration device according to claim 2, wherein one side of the arc-shaped sliding block (9) is rotatably connected with a laser pen (10) through a connecting rod.

4. A light reflection and refraction demonstration device according to claim 3, wherein a second protractor (13) is fixed in the middle of the bottom end of the refraction plate (12).

5. A light reflection and refraction demonstration apparatus according to claim 4, wherein a storage box (3) is fixed at one corner of the inside of the demonstration case (1), and a drawer (4) is arranged inside the storage box (3).