CN217238958U

CN217238958U - Optical polarization test demonstration model

Info

Publication number: CN217238958U
Application number: CN202220933561.7U
Authority: CN
Inventors: 吴雨婷
Original assignee: Jiangyin Rongshi Technology Co Ltd
Current assignee: Jiangyin Rongshi Technology Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-19
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses an optics polarization test demonstration model, it includes: the backlight module comprises a base, wherein a polarized light source is arranged at the bottom end of the base, a polarizing film is arranged on one side of the polarized light source, glass is arranged on one side of the polarizing film, an optical screen is arranged on one side of the glass, an installation frame is sleeved outside the polarizing film, and supporting plates are arranged on the front surface and the back surface of the polarizing film; the angle adjusting component, the angle adjusting component sets up the front in one of them backup pad, the angle adjusting component includes first dwang, second dwang, first tooth and second tooth, is provided with the angle adjusting component in the front of one of them support, through the cooperation between the inner structure, then according to the outside registration of shell, rotates the mounting bracket, realizes to the polaroid angle modulation for the experimental result is abundant various, thereby is favorable to the student to know more directly perceivedly, and learns relevant knowledge.

Description

Optical polarization test demonstration model

Technical Field

The utility model relates to a teaching demonstration utensil technical field specifically is an optics polarization test demonstration model.

Background

The asymmetry of the vibration direction to the propagation direction is called polarization, which is a most obvious sign that transverse waves are distinguished from other longitudinal waves, only transverse waves have polarization phenomena, light waves are electromagnetic waves, therefore, the propagation direction of light waves is the propagation direction of electromagnetic waves, an electric vibration vector E and a magnetic vibration vector H in light waves are perpendicular to a propagation velocity v, therefore, light waves are transverse waves and have polarization, and light with polarization is called polarized light, and natural light can be changed into polarized light by a polarizing plate.

At the in-process of teaching, the polarized light demonstration appearance can be used often, and the polaroid installing support in the polarized light demonstration appearance of common is all fixed, can't carry out angle modulation to the polaroid, and the experimental result of doing so is comparatively single, is unfavorable for the student to know the relevant knowledge of study.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses an optics polarization test demonstration model to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an optical polarization test demonstration model comprising:

the backlight source comprises a base, wherein a polarized light source is arranged at the bottom end of the base, a polarizing film is arranged on one side of the polarized light source, glass is arranged on one side of the polarizing film, a light screen is arranged on one side of the glass, an installation frame is sleeved outside the polarizing film, and support plates are arranged on the front surface and the back surface of the polarizing film;

the angle adjusting assembly, the angle adjusting assembly sets up the front in one of them backup pad, the angle adjusting assembly includes first dwang, second dwang, first tooth and second tooth, the inside at first dwang is connected to the sliding interlude of second dwang, the first cylinder piece of the positive fixedly connected with of first tooth, the one end at first dwang is established to first cylinder piece cover.

Preferably, a housing is sleeved outside one end of the first rotating rod, the back of the housing is fixedly connected with the back of one of the supporting plates, and the front of the first cylindrical block is rotatably connected with the inner wall of one end of the housing.

Preferably, a sliding groove is formed in the top end of the first rotating rod, a second cylindrical block is sleeved at one end of the first rotating rod, and the front face of the second cylindrical block is fixedly connected with the back face of the second tooth.

Preferably, the inner wall of second cylinder piece and the outer wall fixed connection of second dwang, a plurality of inserted blocks of back fixedly connected with of second cylinder piece, the outside cover of first dwang is equipped with the fixed block.

Preferably, the back of fixed block and the positive fixed connection of one of them backup pad are a plurality of the inserted block goes out to slide respectively and alternates with the front of fixed block and is connected, one of them backup pad is run through to the one end of first dwang to with the positive fixed connection of mounting bracket, the one end of second dwang extends to the front of shell, and fixedly connected with knob.

Preferably, the back fixedly connected with pivot of mounting bracket, the back of pivot is rotated with the front of another backup pad and is connected, the mount is installed to the bottom of base, the top of mount and polarized light source's bottom fixed connection, the front of mount is provided with the switch.

Preferably, the bottom of glass is provided with splint, the bottom of splint is provided with the bottom plate, the first bracing piece of bottom fixedly connected with of bottom plate, the bottom fixed connection and the second bracing piece of light screen.

The utility model discloses an optics polarization test demonstration model, its beneficial effect who possesses as follows:

the utility model discloses be provided with angle adjusting part in the front of one of them support, through mutually supporting between the inner structure, then according to the outside registration of shell, can rotate the mounting bracket to the realization is to the angle modulation of polaroid, makes the experimental result abundant various, thereby is favorable to the student to know more directly perceivedly, and learns relevant knowledge.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the sectional structure of the present invention in a partial top view;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a switch; 3. a fixed mount; 4. a polarized light source; 5. a support plate; 6. a knob; 7. a housing; 8. a mounting frame; 9. a polarizing plate; 10. a first support bar; 11. a base plate; 12. glass; 13. a splint; 14. a second support bar; 15. a light screen; 16. a rotating shaft; 17. a second rotating lever; 18. A first rotating lever; 19. a second cylindrical block; 20. inserting a block; 21. a first cylindrical block; 22. a first tooth; 23. a second tooth; 24. and fixing blocks.

Detailed Description

The embodiment of the utility model discloses optics polarization test demonstration model, as shown in fig. 1-3, include:

the device comprises a base 1, wherein a polarized light source 4 is arranged at the bottom end of the base 1, a polarizing plate 9 is arranged on one side of the polarized light source 4, glass 12 is arranged on one side of the polarizing plate 9, a light screen 15 is arranged on one side of the glass 12, an installation frame 8 is sleeved outside the polarizing plate 9, and support plates 5 are arranged on the front surface and the back surface of the polarizing plate 9;

the angle adjusting assembly is arranged on the front face of one of the supporting plates 5 and comprises a first rotating rod 18, a second rotating rod 17, first teeth 22 and second teeth 23, the second rotating rod 17 is slidably and alternately connected inside the first rotating rod 18, the front face of the first teeth 22 is fixedly connected with a first cylindrical block 21, and the one end of the first rotating rod 18 is sleeved with the first cylindrical block 21.

The outer cover of one end of first rotation pole 18 is equipped with shell 7, and the front of shell 7 is provided with the angle scale mark, and the back of shell 7 and the back fixed connection of one of them backup pad 5, the front of first cylinder piece 21 and the one end inner wall of shell 7 rotate to be connected.

The top end of the first rotating rod 18 is provided with a sliding groove, one end of the first rotating rod 18 is sleeved with a second cylindrical block 19, and the first rotating rod and the second rotating rod are connected through the sliding groove. The front surface of the second cylindrical block 19 is fixedly connected with the back surface of the second tooth 23.

The inner wall of second cylinder piece 19 and the outer wall fixed connection of second dwang 17, a plurality of inserted blocks 20 of back fixed connection of second cylinder piece 19, the outside cover of first dwang 18 is equipped with fixed block 24.

The back of fixed block 24 and the positive fixed connection of one of them backup pad 5, a plurality of inserts 20 are gone out with the front of fixed block 24 respectively and are slided and alternate and be connected, one of them backup pad 5 is run through to the one end of first dwang 18, and with the positive fixed connection of mounting bracket 8, the one end of second dwang 17 extends to the front of shell 7, and fixedly connected with knob 6, rotate knob 6, then according to the outside registration of shell 7, can rotate mounting bracket 8, thereby realize the angle modulation to polaroid 9, make the experiment result abundant various, thereby be favorable to the student to know more directly perceivedly, and learn relevant knowledge.

The back fixedly connected with pivot 16 of mounting bracket 8, the back of pivot 16 is rotated with the front of another backup pad 5 and is connected, mount 3 is installed to base 1's bottom, the top of mount 3 and the bottom fixed connection of polarized light source 4, the front of mount 3 is provided with switch 2, switch 2's bottom and base 1's top fixed connection, one side electric connection of switch 2 has the power cord, the one end of power cord and one side electric connection of polarized light source 4.

The bottom of glass 12 is provided with splint 13, and the bottom of splint 13 is provided with bottom plate 11, and the first bracing piece 10 of bottom fixedly connected with of bottom plate 11, the bottom of first bracing piece 10 and the top fixed connection of base 1, the bottom fixed connection and the second bracing piece 14 of light screen 15, the bottom of second bracing piece 14 and the top fixed connection of base 1.

The working principle is as follows: when rotated, the hand knob 6 is pulled outward, and then an outward pulling force is given to the second cylindrical block 19 through the second rotating rod 17, so that the second cylindrical block 19 slides along the outer wall of the first rotating rod 18, then when the first teeth 22 and the second teeth 23 are engaged with each other, the knob 6 is rotated according to the scale of the front surface of the housing 7, and then the second cylindrical block 19 is rotated together by the second rotating lever 17, since the second cylindrical block 19 is connected with the first cylindrical block 21 through the first teeth 22 and the second teeth 23, thereby driving the first cylindrical block 21 to rotate, the first cylindrical block 21 is fixedly connected with one end of the first rotating rod 18, so as to drive the first rotation rod 18 to rotate, and the other end of the first rotation rod 18 is fixedly connected with the front surface of the mounting rack 8, and then the mounting rack 8 is rotated under the action of the rotation shaft 16.

When the knob 6 is rotated to a desired angle, the rotation of the knob 6 is stopped, the knob 6 is pushed in a reverse direction, a reverse thrust is given to the second cylindrical block 19 through the second rotating rod 17, so that the second cylindrical block 19 slides in a reverse direction along the outer wall of the first rotating rod 18, the first teeth 22 and the second teeth 23 are separated from each other, and when the insert 20 at the back of the second cylindrical block 19 is inserted into the fixing block 24, the knob 6 is stopped being pushed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An optical polarization test demonstration model, comprising:

the device comprises a base (1), wherein a polarized light source (4) is arranged at the bottom end of the base (1), a polarizing film (9) is arranged on one side of the polarized light source (4), glass (12) is arranged on one side of the polarizing film (9), a light screen (15) is arranged on one side of the glass (12), a mounting frame (8) is sleeved outside the polarizing film (9), and supporting plates (5) are arranged on the front surface and the back surface of the polarizing film (9);

the angle adjusting component, the angle adjusting component sets up the front in one of them backup pad (5), the angle adjusting component includes first dwang (18), second dwang (17), first tooth (22) and second tooth (23), second dwang (17) slip interlude is connected in the inside of first dwang (18), the first cylinder piece (21) of the first positive fixedly connected with of first tooth (22), the one end at first dwang (18) is established to first cylinder piece (21) cover.

2. An optical polarization test demonstration model according to claim 1, wherein: the outer portion of one end of the first rotating rod (18) is sleeved with a shell (7), the back face of the shell (7) is fixedly connected with the back face of one of the supporting plates (5), and the front face of the first cylindrical block (21) is rotatably connected with the inner wall of one end of the shell (7).

3. An optical polarization test demonstration model according to claim 1, wherein: the top end of the first rotating rod (18) is provided with a sliding groove, one end of the first rotating rod (18) is sleeved with a second cylindrical block (19), and the front face of the second cylindrical block (19) is fixedly connected with the back face of the second tooth (23).

4. An optical polarization test demonstration model according to claim 3, wherein: the inner wall of second cylinder piece (19) and the outer wall fixed connection of second dwang (17), a plurality of inserted blocks of back fixedly connected with (20) of second cylinder piece (19), the outside cover of first dwang (18) is equipped with fixed block (24).

5. An optical polarization test demonstration model according to claim 4, wherein: the back of fixed block (24) and the positive fixed connection of one of them backup pad (5), it is a plurality of inserted block (20) are respectively with the front of fixed block (24) go out the slip and alternate and be connected, one of them backup pad (5) is run through to the one end of first dwang (18) to with the positive fixed connection of mounting bracket (8), the one end of second dwang (17) extends to the front of shell (7), and fixedly connected with knob (6).

6. An optical polarization test demonstration model according to claim 1, wherein: the back fixedly connected with pivot (16) of mounting bracket (8), the back of pivot (16) rotates with the front of another backup pad (5) and is connected, mount (3) are installed to the bottom of base (1), the top of mount (3) and the bottom fixed connection of polarized light source (4), the front of mount (3) is provided with switch (2).

7. An optical polarization test demonstration model according to claim 1, wherein: the bottom of glass (12) is provided with splint (13), the bottom of splint (13) is provided with bottom plate (11), the first bracing piece (10) of bottom end fixedly connected with of bottom plate (11), the bottom fixed connection and second bracing piece (14) of light screen (15).