CN215068778U - Three-primary-color synthesis demonstration device for physical science - Google Patents

Abstract

The utility model discloses a synthetic presentation device of physics science trichromatic, the device comprises a device body, the device body is including demonstration case and push-and-pull plate, the case storehouse has been seted up to the demonstration incasement, the push-and-pull groove has been seted up under the case storehouse, sliding connection has the push-and-pull plate in the push-and-pull groove, the cross-section of push-and-pull plate is L type structure. The utility model discloses in, for the resolvable structure, when beginning the laboratory, promote the connecting rod, can shift out the connecting rod from the draw-in groove under the effect of fixed axle and second spring, pop out the push-and-pull groove with the push-and-pull plate under the effect of first spring simultaneously to this divides the device body into two parts, inlays on the push-and-pull plate and establishes the demonstration board, makes it compare and need to set up the demonstration board in addition in traditional presentation device, and the setting of this kind of integral type is convenient the experiment more, and conveniently carries, has improved the device's practicality.

Description

Three-primary-color synthesis demonstration device for physical science

Technical Field

The utility model relates to a teaching equipment field especially relates to a three primary colors of physics science are synthetic presentation device.

Background

As is well known, light with different wavelengths can cause different color senses of human eyes, and the color sense of human eyes caused by light with the same wavelength is constant, so that the human eyes can sense whether a certain color tone is or not, and only can the human eyes sense monochromatic light with one wavelength? Scientists have proved from practice that most of colors seen in nature can be equivalent by mixing monochromatic lights with different wavelengths (colors) in different proportions, and the phenomenon is called color mixing effect.

With the continuous development and progress of the physical optics teaching work, the technical requirements on a three-primary-color principle demonstration instrument in the physical optics part teaching are higher and higher, in the known technology, the existing three-primary-color principle demonstration instrument in the physical optics part teaching mainly comprises a red, green and blue rotating disc, the demonstration effect is poor due to color distortion, after the three-primary-color painting improvement of the pigment is utilized, the color is not distorted any more but is not directly mixed with colored light, the three-primary-color principle of light is not beneficial to students to understand, and some demonstration instruments use a white light source and a red, green and blue three-color filter to combine to demonstrate the three-primary-color principle of light, although the phenomenon is obvious, the display area is too small, or the instrument is huge, and the experimental demonstration is not beneficial.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a physical science three-primary-color synthesis demonstration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a three-primary-color synthesis demonstration device for physical science comprises a device body, wherein the device body comprises a demonstration box and a push-pull plate, a box bin is arranged in the demonstration box, a push-pull groove is formed right below the box bin, the push-pull plate is connected in the push-pull groove in a sliding mode, and the cross section of the push-pull plate is of an L-shaped structure;

the lower surface of the push-pull plate is provided with two fixed blocks, first springs are welded on the two fixed blocks, and the other ends of the first springs are welded on the inner surface wall of the push-pull groove;

the demonstration box is characterized in that a groove is formed in the outer surface wall of one side of the demonstration box, a fixed shaft is arranged in the groove, a connecting rod is sleeved on the fixed shaft, one end of the connecting rod extends into the push-pull groove, and a second spring is arranged between the connecting rod and the push-pull groove.

Preferably, a handle is arranged at the center of the upper surface of the demonstration box.

Preferably, three mutually parallel placing grooves are formed in the upper surface of the demonstration box, and color light-transmitting sheets are placed in the placing grooves.

Preferably, a bulb is installed on the inner surface wall of one side of the box bin, and a switch matched with the demonstration box is arranged on the outer surface wall of the demonstration box.

Preferably, the lower surface of the push-pull plate is provided with a clamping groove used in cooperation with the connecting rod.

Preferably, a demonstration plate is embedded on a vertical horizontal plane of the push-pull plate.

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

1. the utility model discloses in, this physical science synthetic presentation device of three primary colors, for the resolvable structure, when beginning the laboratory, promote the connecting rod, can shift out the connecting rod from the draw-in groove under the effect of fixed axle and second spring, simultaneously under the effect of first spring, pop out the push-and-pull groove with the push-and-pull board, divide the device body into two parts with this, inlay on the push-and-pull board and establish the demonstration board, make it need set up the demonstration board in addition in traditional presentation device, the setting of this kind of integral type is convenient the experiment more, and conveniently carry, the practicality of the device has been improved.

2. The utility model discloses in, this three primary colors of physics science synthesize presentation device, through the setting of box, can open the bulb when the demonstration, insert a colored printing opacity piece in the standing groove, make its light source project on the demonstration board, then put into the colored printing opacity piece of obstructed colour in proper order respectively in two other standing grooves, take out and place the in-process, can observe the synthetic change of colour on the demonstration board.

Drawings

Fig. 1 is an overall schematic diagram of a physical science three-primary-color synthesis demonstration apparatus provided by the utility model;

fig. 2 is a cross-sectional view of a three-primary-color composition demonstration apparatus for physics and science according to the present invention;

fig. 3 is a bottom schematic view of a push-pull plate of a three-primary-color composition demonstration apparatus for physics and science according to the present invention.

Illustration of the drawings:

1. a device body; 2. a demonstration box; 21. a box bin; 22. a placement groove; 23. a push-pull groove; 24. a handle; 25. a groove; 3. a push-pull plate; 31. a demonstration board; 32. a fixed block; 33. a first spring; 34. a card slot; 4. a bulb; 41. a switch; 5. a fixed shaft; 51. a connecting rod; 52. a second spring; 6. a color light-transmitting sheet.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a three-primary-color synthesis demonstration device for physical science comprises a device body 1, wherein the device body 1 comprises a demonstration box 2 and a push-pull plate 3, a box bin 21 is arranged in the demonstration box 2, a push-pull groove 23 is arranged right below the box bin 21, the push-pull groove 23 is connected with the push-pull plate 3 in a sliding mode, and the cross section of the push-pull plate 3 is of an L-shaped structure;

two fixing blocks 32 are arranged on the lower surface of the push-pull plate 3, first springs 33 are welded on the two fixing blocks 32, and the other ends of the first springs 33 are welded on the inner surface wall of the push-pull groove 23;

a groove 25 is formed in the outer surface wall of one side of the demonstration box 2, a fixed shaft 5 is arranged in the groove 25, a connecting rod 51 is sleeved on the fixed shaft 5, one end of the connecting rod 51 extends into the push-pull groove 23, and a second spring 52 is arranged between the connecting rod 51 and the push-pull groove 23.

The center of the upper surface of the demonstration box 2 is provided with a handle 24, which is convenient for carrying the device body 1.

Three standing groove 22 that is parallel to each other is seted up to demonstration case 2 upper surface, has placed colored printing opacity piece 6 in the standing groove 22, and colored printing opacity piece 6 is red, green, blue three-colour respectively, and the colour of ware combination is: red + green-yellow; green + blue is cyan; red + blue ═ violet; red + green + blue-white.

The inner surface wall of one side of the box chamber 21 is provided with a bulb 4, the outer surface wall of the demonstration box 2 is provided with a switch 41 matched with the demonstration box, and the light source of the bulb 4 is white.

The lower surface of the push-pull plate 3 is provided with a clamping groove 34 matched with the connecting rod 51 for use, and the clamping groove 34 mainly has the function of fixing the push-pull plate 3 so that the push-pull plate is not easy to move;

the demonstration board 31 is embedded on the vertical horizontal plane of the push-pull board 3, and the demonstration board 31 can effectively and visually display the synthesis process of the three primary colors.

The working principle is as follows: this physical science synthetic presentation device of three primary colors during the use, for the resolvable structure, when beginning the laboratory, promote connecting rod 51, can be under the effect of fixed axle 5 and second spring 52, remove connecting rod 51 from draw-in groove 34, pop out push-and-pull groove 23 with push-and-pull plate 3 under the effect of first spring 33 simultaneously, divide into two parts with this device body, put into the colored printing opacity piece 6 of red, green, three kinds of colours of blue respectively in three standing groove 22, through the projection of light, can cast the synthetic condition of colour on presentation board 31, can make things convenient for the better observation demonstration result of student, after the experiment, directly push-and-pull plate 3 into push-and-pull groove 23 can, this design not only conveniently carries but also simple and practical.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The three-primary-color synthesis demonstration device for physical science comprises a device body (1) and is characterized in that the device body (1) comprises a demonstration box (2) and a push-pull plate (3), a box bin (21) is arranged in the demonstration box (2), a push-pull groove (23) is formed right below the box bin (21), the push-pull plate (3) is connected in the push-pull groove (23) in a sliding mode, and the section of the push-pull plate (3) is of an L-shaped structure;

two fixing blocks (32) are arranged on the lower surface of the push-pull plate (3), first springs (33) are welded on the two fixing blocks (32), and the other ends of the first springs (33) are welded on the inner surface wall of the push-pull groove (23);

the demonstration box is characterized in that a groove (25) is formed in the outer wall of one side of the demonstration box (2), a fixed shaft (5) is arranged in the groove (25), a connecting rod (51) is sleeved on the fixed shaft (5), one end of the connecting rod (51) extends into the push-pull groove (23), and a second spring (52) is arranged between the connecting rod (51) and the push-pull groove (23).

2. A three primary colors synthetic demonstration device for physical science according to claim 1 characterized in that a handle (24) is provided at the center of the upper surface of the demonstration box (2).

3. The three-primary-color composition demonstration device for physics and science according to claim 1, wherein the demonstration box (2) is provided with three parallel placing grooves (22) on the upper surface, and the color transparent sheets (6) are placed in the placing grooves (22).

4. The physical science three-primary-color synthesis demonstration device according to claim 1, wherein a bulb (4) is mounted on the inner surface wall of one side of the box chamber (21), and a switch (41) matched with the demonstration box (2) is arranged on the outer surface wall of the demonstration box.

5. The physical science three-primary-color synthesis demonstration device according to claim 1, wherein a clamping groove (34) matched with the connecting rod (51) for use is formed in the lower surface of the push-pull plate (3).

6. A physic-scientific three-primary-color synthesis demonstration device according to claim 1, wherein a demonstration board (31) is embedded on the vertical horizontal plane of the push-pull board (3).

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