CN220691587U - Pinhole imaging principle demonstration structure convenient to adjust - Google Patents

Abstract

The utility model discloses a pinhole imaging principle demonstration structure convenient to adjust, and relates to the technical field of experimental demonstration.

Description

Pinhole imaging principle demonstration structure convenient to adjust

Technical Field

The utility model relates to the technical field of experimental demonstration devices, in particular to a small hole imaging principle demonstration structure convenient to adjust.

Background

In the physical teaching process, a teacher often uses some teaching instruments to make simulation experiments so that the student can more intuitively observe a series of generated phenomena to facilitate the student to grasp the knowledge, particularly for the teaching of some harsh and abstract knowledge, the method of experimental teaching is adopted to more vividly display, so that the student can more rapidly accept and absorb the principle of the student and the teaching effect of half effort can be achieved; the physical light transmission device is one of teaching experimental instruments, and is displayed in an intuitive experimental mode.

The small hole imaging field demonstration device described in the patent with the publication number of CN209607257U comprises a base, a light source, an orifice plate and an imaging plate; the light source, the pore plate and the imaging plate are respectively arranged on an installation seat through a screw rod; the base is a concave-shaped base, two parallel guide rails are arranged at the top of the base, two sliding blocks are fixed at the bottom of each mounting seat, and the sliding blocks are in sliding connection with the guide rails; the orifice plate is located between light source and the imaging plate, and it has the rectangle through-hole to open on the orifice plate, and rectangle through-hole the place ahead is equipped with the one deck sticky note of neatly arranging, and it has the aperture to open in the middle of every sticky note, and sticky note passes through the sticky note subsides on the imaging plate, and light source height can be unanimous with the altitude mixture control of hole, and the teaching instrument of solving aperture imaging experiment exists the operation complicacy, but light source, orifice plate and imaging plate structure as an organic whole is difficult to change alone when damaging to the instrument does not possess the function of accomodating, and the instrument overlength is inconvenient to carry.

Based on this, now provide the aperture imaging principle demonstration structure of being convenient for adjust, can eliminate the drawback that current device exists.

Disclosure of Invention

The utility model aims to provide a small hole imaging principle demonstration structure convenient to adjust, which aims to solve the problems that in the background technology, a light source, an orifice plate and an imaging plate are of an integrated structure, are not easy to replace singly when damaged, and in some inclined or concave-convex ground surfaces, the imaging plate, the small holes and the light source cannot be on the same horizontal plane, and the demonstration process of small hole imaging cannot be well demonstrated to students.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a micropore imaging principle demonstration structure convenient to adjust, includes first base, one side of first base is provided with the second base, all be provided with logical groove in first base and the second base, be provided with slide mechanism on first base and the second base, be provided with three adjustment mechanism of group on the slide mechanism respectively, its characterized in that is provided with slewing mechanism between first base and the second base.

Based on the technical scheme, the utility model also provides the following optional technical schemes:

in one alternative: the sliding mechanism comprises a sliding rail, the sliding rail is positioned on the upper surfaces of two sides of the first base and the second base, a plurality of sliding blocks in sliding connection are arranged on the sliding rail, a fixed plate is arranged on the sliding blocks, a movable block is arranged between the fixed plates, and the movable block is connected with the fixed plates in a rotating mode through a connecting shaft.

In one alternative: the rotating mechanism comprises a first mounting plate, wherein the first mounting plate is located on the lower surface of the first base, one side of the first mounting plate is located on the lower surface of the second base, a second mounting plate is arranged on the lower surface of the second base, the first mounting plate corresponds to the second mounting plate in position, a connecting block is arranged between the first mounting plate and the second mounting plate, and two sides of the connecting block are respectively connected with the first mounting plate and the second mounting plate in a rotating mode.

In one alternative: the movable block is provided with a threaded column, the threaded column is in threaded rotation connection with the connecting shaft, and the upper end of the threaded column is provided with a connecting plate.

In one alternative: the two sides of the connecting plate are provided with rotating rods, the rotating rods are in threaded rotation connection with the connecting plate, and pressing plates are arranged on the rotating rods and located in the connecting plate.

In one alternative: the light source, the pore plate and the imaging plate are sequentially arranged between the pressing plates, and small holes are formed in the pore plate.

In one alternative: the rotating rod is positioned at the central position of the connecting plate, and the small hole is positioned at the central position of the pore plate.

In one alternative: the bottoms of the first base and the second base are respectively provided with a magnet.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the second base is arranged on one side of the first base, the first mounting plate is arranged on the lower surface of the first base, the second mounting plate is arranged on the lower surface of the second base, the first mounting plate corresponds to the second mounting plate in position, the connecting block is arranged between the first mounting plate and the second mounting plate, two sides of the connecting block are respectively and rotatably connected with the first mounting plate and the second mounting plate, the first base is downwards turned over through a plurality of screws and fixedly connected with the first mounting plate and the second mounting plate, and the first base and the second base are folded through rotation between the mounting plates, so that the occupied space is reduced and the portable device is convenient to carry.

2. According to the utility model, the movable block is arranged between the fixed plates, and the movable block is rotatably connected with the fixed plates through the connecting shaft, so that the movable block can be rotated under the action of the connecting shaft, and an instrument connected with the movable block can be rotated into the through groove, so that the occupied space is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the first view angle of the present utility model.

Fig. 2 is a schematic view of the overall structure of the second view angle of the present utility model.

Fig. 3 is a schematic view of the overall structure of the third view angle of the present utility model.

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present utility model

Fig. 5 is an enlarged view of the utility model at B of fig. 3.

Reference numerals annotate: 1. a first base; 2. a second base; 3. a magnet; 4. a first mounting plate; 5. a second mounting plate; 6. a connecting block; 7. a screw; 8. a through groove; 9. a slide rail; 10. a slide block; 11. a fixing plate; 12. a connecting shaft; 13. a threaded column; 14. a connecting plate; 15. a rotating lever; 16. a pressing plate; 17. a light source; 18. an orifice plate; 19. a small hole; 20. an imaging plate; 21. a movable block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

In one embodiment, as shown in fig. 1-5, the small hole imaging principle demonstration structure convenient to adjust comprises a first base 1, a second base 2 is arranged on one side of the first base 1, a first mounting plate 4 is arranged on the lower surface of the first base 1, a second mounting plate 5 is arranged on the lower surface of the second base 2, the first mounting plate 4 corresponds to the second mounting plate 5 in position, a connecting block 6 is arranged between the first mounting plate 4 and the second mounting plate 5, two sides of the connecting block 6 are respectively connected with the first mounting plate 4 and the second mounting plate 5 in a rotating way, the first base 1 is turned downwards through a plurality of screws 7 in a fixed way between the first mounting plate 4 and the second mounting plate 5 and the first base 1 and the second base 2, and the first base 1 and the second base 2 are folded through rotation between the mounting plates, so that occupied space is reduced and the portable.

In one embodiment, as shown in fig. 1, through grooves 8 are formed in the first base 1 and the second base 2, sliding rails 9 are formed on two sides of the first base 1 and the second base 2, a plurality of sliding blocks 10 in sliding connection are arranged on the sliding rails 9, the sliding blocks 10 can freely slide on the sliding rails 9 to adjust the distance, fixed plates 11 are arranged on the sliding blocks 10, movable blocks 21 are arranged between the fixed plates 11, the movable blocks 21 are rotatably connected with the fixed plates 11 through connecting shafts 12, so that under the action of the connecting shafts 12, the movable blocks 21 can be rotated, and instruments connected to the movable blocks 21 can be rotated into the through grooves 8, so that occupied space is reduced.

In one embodiment, as shown in fig. 1 and 3, a threaded column 13 is provided on a movable block 21, the threaded column 13 is in threaded rotation connection with a connecting shaft 12, a connecting plate 14 is provided at the upper end of the threaded column 13, and the height of the connecting plate 14 can be adjusted by rotating the threaded column 13, so that the same height is used in experiments.

In one embodiment, as shown in fig. 5, a rotating rod 15 is provided at both sides of the connection plate 14, and the rotating rod 15 is in threaded rotation with the connection plate 14, a pressing plate 16 is provided on the rotating rod 15 in the connection plate 14, and the pressing plate 16 can be adjusted by rotating the rotating rod 15, thereby clamping the apparatus.

In one embodiment, as shown in fig. 1, a light source 17, an orifice plate 18 and an imaging plate 20 are sequentially arranged between the pressing plates 16, an orifice 19 is arranged on the orifice plate 18, and the light source 17 performs an imaging experiment on the imaging plate 20 through the orifice 19 on the orifice plate 18.

In one embodiment, as shown in fig. 1, the rotating rod 15 is located at the center of the connecting plate 14, so that the clamping force of the pressing plate 16 on the instrument is more uniform and stable, and the small hole 19 is located at the center of the orifice plate 18 and is completely shown on the imaging plate 20 during imaging, so that the imaging is clearer.

Example 2

In one embodiment, as shown in fig. 2, the magnets 3 are arranged at the bottoms of the first base 1 and the second base 2, and the magnets 3 can enable the bases to be mutually adsorbed when being folded, so that the bases are firmer.

The above-mentioned embodiment has published aperture imaging principle demonstration structure convenient to adjust, when needs carry and accomodate, rotates movable block 21, can make the instrument that is connected on the movable block 21 rotate to logical inslot 8, and the first base 1 of downward upset is through the rotation between the mounting panel for first base 1 and second base 2 fold, adsorb each other through magnet 3, fold more firmly, reduce occupation space, portable.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a micropore imaging principle demonstration structure convenient to adjust, includes first base (1), one side of first base (1) is provided with second base (2), all be provided with logical groove (8) in first base (1) and second base (2), be provided with slide mechanism on first base (1) and second base (2), be provided with three adjustment mechanism of group on the slide mechanism respectively, a serial communication port, be provided with slewing mechanism between first base (1) and second base (2).

2. The small-hole imaging principle demonstration structure convenient to adjust according to claim 1, wherein the sliding mechanism comprises sliding rails (9), the sliding rails (9) are located on the upper surfaces of two sides of the first base (1) and the second base (2), a plurality of sliding blocks (10) which are in sliding connection are arranged on the sliding rails (9), fixed plates (11) are arranged on the sliding blocks (10), movable blocks (21) are arranged between the fixed plates (11), and the movable blocks (21) are rotationally connected with the fixed plates (11) through connecting shafts (12).

3. The pinhole imaging principle demonstration structure convenient to adjust according to claim 1, wherein the rotating mechanism comprises a first mounting plate (4), the first mounting plate (4) is located on the lower surface of the first base (1), one side of the first mounting plate (4) is located on the lower surface of the second base (2) and is provided with a second mounting plate (5), the first mounting plate (4) corresponds to the second mounting plate (5) in position, a connecting block (6) is arranged between the first mounting plate (4) and the second mounting plate (5), and two sides of the connecting block (6) are respectively connected with the first mounting plate (4) and the second mounting plate (5) in a rotating mode.

4. The small hole imaging principle demonstration structure convenient to adjust according to claim 2, wherein a threaded column (13) is arranged on the movable block (21), the threaded column (13) is in threaded rotation connection with the connecting shaft (12), and a connecting plate (14) is arranged at the upper end of the threaded column (13).

5. The pinhole imaging principle demonstration structure convenient to adjust according to claim 4, wherein rotating rods (15) are arranged on two sides of the connecting plate (14), the rotating rods (15) are in threaded rotation connection with the connecting plate (14), and pressing plates (16) are arranged on the rotating rods (15) and located in the connecting plate (14).

6. The small hole imaging principle demonstration structure convenient to adjust according to claim 5, wherein a light source (17), an orifice plate (18) and an imaging plate (20) are sequentially arranged between the pressing plates (16), and small holes (19) are formed in the orifice plate (18).

7. The structure for demonstrating the principle of aperture imaging convenient for adjustment according to claim 6, characterized in that the rotating rod (15) is located at the center of the connecting plate (14), and the aperture (19) is located at the center of the aperture plate (18).

8. The pinhole imaging principle demonstration structure convenient to adjust according to claim 1, wherein the bottoms of the first base (1) and the second base (2) are both provided with magnets (3).