CN220439090U - Structure of demonstration table for light conduction - Google Patents
Structure of demonstration table for light conduction Download PDFInfo
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- CN220439090U CN220439090U CN202322110819.0U CN202322110819U CN220439090U CN 220439090 U CN220439090 U CN 220439090U CN 202322110819 U CN202322110819 U CN 202322110819U CN 220439090 U CN220439090 U CN 220439090U
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Abstract
The utility model provides a structure of a demonstration table for light transmission, which comprises the following components: the laser comprises a table body, a fixed seat and a laser head; the table body is of a rectangular shell structure, and the fixed seat is fixed on one side of the top surface of the table body through screws; the laser head is inserted and fixed in the fixed seat; the rotating shaft is arranged in the middle of the top surface of the table body and is connected with the table body through a bearing; the turntable is fixed at the upper end of the rotating shaft; the lens is inserted and fixed on the top surface of the turntable; the driving shaft is inserted and arranged below the driven bevel gear, and two ends of the driving shaft are fixed with the table body through bearings; the hand wheel is inserted and fixed at one end of the driving shaft, which is close to the fixed seat; the utility model has the advantages of visual observation and convenient use by improving the structure of the demonstration table for light transmission, and can demonstrate the change of light passing through different lenses and the refraction and reflection change of light passing through media, thereby effectively solving the problems and the defects in the prior device.
Description
Technical Field
The utility model relates to the technical field of light conduction demonstration, in particular to a structure of a light conduction demonstration table.
Background
Light propagates along a straight line, refraction and reflection occur when the light passes through different media, and refraction refers to the phenomenon that when light obliquely enters another medium from one medium, the propagation direction changes, so that light deflects at the junction of the different media.
In order to more intuitively demonstrate the propagation change rule of explanation light, a teacher is usually required to hold a laser pen to enable the laser to be injected into a medium, so that the refraction and reflection rule of the light are demonstrated, the operation is inconvenient, and the explanation of the teacher is influenced.
In view of the above, the present utility model has been made in view of the above problems, and an object of the present utility model is to provide a structure of a demonstration table for light transmission, which solves the problems and improves the practical value.
Disclosure of Invention
The present utility model is directed to a structure of a light-conducting demonstration table, so as to solve the above-mentioned problems and disadvantages of the prior art.
In order to achieve the above object, the present utility model provides a structure of a demonstration table for light transmission, which is achieved by the following specific technical means:
a structure of a light conducting demonstration stand, comprising: the laser head comprises a table body, a fixed seat, a laser head, a turntable, a lens, a rotating shaft, a driven bevel gear, a bearing, a driving shaft, a driving bevel gear and a hand wheel; the table body is of a rectangular shell structure, and the fixed seat is fixed on one side of the top surface of the table body through screws; the laser head is inserted and fixed in the fixed seat; the rotating shaft is arranged in the middle of the top surface of the table body and is connected with the table body through a bearing; the turntable is fixed at the upper end of the rotating shaft; the lens is inserted and fixed on the top surface of the turntable; the driven bevel gear is arranged at the lower end of the rotating shaft; the driving shaft is inserted and arranged below the driven bevel gear, and two ends of the driving shaft are fixed with the table body through bearings; the driving bevel gear is arranged at the middle position of the driving shaft and meshed with the driven bevel gear; the hand wheel is inserted and fixed at one end of the driving shaft, which is close to the fixed seat.
As a further optimization of the technical scheme, the structure of the demonstration table for light conduction is characterized in that the turntable is of a circular plate-shaped structure, a circle of angle scales are arranged in the middle of the turntable, and a plurality of square holes for fixing lenses are arranged in an array at the center and the edge of the top surface of the turntable.
As a further optimization of the technical scheme, the turntable is a rotating device in the structure of the demonstration table for light transmission.
As a further optimization of the technical scheme, the lens of the light conduction demonstration table is composed of a semicircular lens, a single-sided convex lens, a double-sided convex lens, a single-sided concave lens, a double-sided concave lens, an arc-shaped lens and a rectangular lens, wherein the lower part of the lens is provided with a rectangular bulge, and the lens is inserted and arranged at the edge and the middle position of the turntable.
As a further optimization of the technical scheme, the structure of the demonstration table for light transmission is characterized in that the laser head is arranged at three positions in an inserted manner on the fixing seat.
As a further optimization of the technical scheme, the structure of the demonstration table for light transmission is characterized in that the fixing seat is of a rectangular block structure, and three round holes for fixing the laser head are formed in the fixing seat.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the rotary table is of a circular plate-shaped structure, a circle of angle scales are arranged in the middle of the rotary table, a plurality of square holes are arranged in the center and the edge of the top surface of the rotary table in an array mode, the rotary table is a rotating device, the driving bevel gear and the driven bevel gear are driven to rotate through the rotating hand wheel to drive the rotary table to rotate, refraction and reflection changes generated when light rays pass through media at different angles can be demonstrated, the use and the control are convenient, and the observation is more visual.
2. The lens is composed of a semicircular lens, a single-sided convex lens, a double-sided convex lens, a single-sided concave lens, a double-sided concave lens, an arc-shaped lens and a plurality of rectangular lenses, the lower part of the lens is provided with a rectangular bulge, the lenses are arranged on the top surface of the turntable in an inserting manner, the turntable is rotated to enable light to pass through different lenses, the change of the light passing through the various lenses can be demonstrated, and the operation is simple and convenient.
3. The utility model has the advantages of visual observation and convenient operation by improving the structure of the demonstration table for light transmission, and can demonstrate the change of light passing through different lenses and the refraction and reflection change of light passing through media, thereby effectively solving the problems and the defects in the prior device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a partially exploded structure of a turntable according to the present utility model.
In the figure: the laser head comprises a table body 1, a fixed seat 2, a laser head 3, a turntable 4, a lens 5, a rotating shaft 6, a driven bevel gear 7, a bearing 8, a driving shaft 9, a driving bevel gear 10 and a hand wheel 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 3, the present utility model provides a specific technical embodiment of a structure of a demonstration table for light transmission:
a structure of a light conducting demonstration stand, comprising: the laser head comprises a table body 1, a fixed seat 2, a laser head 3, a turntable 4, a lens 5, a rotating shaft 6, a driven bevel gear 7, a bearing 8, a driving shaft 9, a driving bevel gear 10 and a hand wheel 11; the table body 1 is of a rectangular shell structure, and the fixed seat 2 is fixed on one side of the top surface of the table body 1 through screws; the fixed seat 2 is of a rectangular block structure, and three round holes for fixing the laser head 3 are formed in the fixed seat 2; the laser head 3 is fixedly connected with the fixing seat 2 in an inserting way; the rotating shaft 6 is arranged in the middle of the top surface of the table body 1, and the rotating shaft 6 is connected and installed with the table body 1 through a bearing 8; the turntable 4 is fixed at the upper end of the rotating shaft 6; the carousel 4 is circular platy structure, and the intermediate position of carousel 4 is equipped with round angle scale to the center and the edge array of carousel 4 top surface are equipped with the square hole that many places are used for installing lens 5, and carousel 4 is rotary device's setting, drives initiative bevel gear 10, driven bevel gear 7 rotation through rotating hand wheel 11 and drives carousel 4 rotation, and the refraction reflection that can demonstrate light and take place when passing through the medium with different angles changes, and use control is convenient, observes directly perceivedly.
The lens 5 is inserted and fixed on the top surface of the turntable 4; the lenses 5 are semicircular lenses, single-sided convex lenses, double-sided convex lenses, single-sided concave lenses, double-sided concave lenses, arc-shaped lenses and rectangular lenses, rectangular bulges are arranged at the lower parts of the lenses 5, the lenses 5 are inserted and arranged on the top surface of the rotary table 4, the rotary table 4 is rotated to enable light to pass through different lenses 5, and the change of the light when passing through various lenses 5 can be demonstrated, so that the operation is simple and convenient; a driven bevel gear 7 is installed at the lower end of the rotating shaft 6; the driving shaft 9 is inserted and arranged below the driven bevel gear 7, and two ends of the driving shaft 9 are fixed with the table body 1 through bearings 8; the drive bevel gear 10 is installed at the middle position of the driving shaft 9, and the drive bevel gear 10 is meshed with the driven bevel gear 7; the hand wheel 11 is inserted and fixed at one end of the driving shaft 9, which is close to the fixed seat 2, and controls the rotation of the turntable 4.
The specific implementation steps are as follows:
during the use, fix lens 5 grafting on carousel 4, open laser head 3 light and jet out, rotatory hand wheel 11 drives drive shaft 9 and rotates, drive bevel gear 10, driven bevel gear 7 follow and rotate, rotation axis 6 drives carousel 4 rotation, laser passes through lens 5, can demonstrate the change that the light took place when passing through different lenses, the lens 5 around the carousel 4 is torn down, only leave the lens 5 in the middle of the carousel 4, rotate hand wheel 11 and drive carousel 4 rotation, refraction change that takes place when can observe the light and pass middle lens 5 with different angles.
To sum up: according to the structure of the demonstration table for light conduction, the turntable is of a circular plate-shaped structure, the middle position of the turntable is provided with a circle of angle scales, the center and the edge of the top surface of the turntable are provided with a plurality of square holes in an array mode, the turntable is a rotating device, the driving bevel gear and the driven bevel gear are driven to rotate through the rotating hand wheel to drive the turntable to rotate, refraction and reflection changes which occur when light passes through media at different angles can be demonstrated, the use and the control are convenient, and the observation is more visual; the lens is composed of a semicircular lens, a single-sided convex lens, a double-sided convex lens, a single-sided concave lens, a double-sided concave lens, an arc-shaped lens and a plurality of rectangular lenses, the lower part of the lens is provided with a rectangular bulge, the lenses are arranged on the top surface of the turntable in an inserting manner, the turntable is rotated to enable light to pass through different lenses, the change of the light when passing through various lenses can be demonstrated, and the operation is simple and convenient; the utility model has the advantages of visual observation and convenient operation by improving the structure of the demonstration table for light transmission, and can demonstrate the change of light passing through different lenses and the refraction and reflection change of light passing through media, thereby effectively solving the problems and the defects in the prior device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A structure of a light conducting demonstration stand, comprising: the laser head comprises a table body (1), a fixed seat (2), a laser head (3), a turntable (4), a lens (5), a rotating shaft (6), a driven bevel gear (7), a bearing (8), a driving shaft (9), a driving bevel gear (10) and a hand wheel (11); the method is characterized in that: the table body (1) is of a rectangular shell structure, and the fixing seat (2) is fixed on one side of the top surface of the table body (1) through screws; the laser head (3) is fixedly inserted into the fixed seat (2); the rotary shaft (6) is arranged in the middle of the top surface of the table body (1), and the rotary shaft (6) is connected with the table body (1) through a bearing (8); the rotary table (4) is fixed at the upper end of the rotary shaft (6); the lens (5) is inserted and fixed on the top surface of the rotary disc (4); the driven bevel gear (7) is arranged at the lower end of the rotating shaft (6); the driving shaft (9) is inserted and arranged below the driven bevel gear (7), and two ends of the driving shaft (9) are fixed with the table body (1) through bearings (8); the driving bevel gear (10) is arranged at the middle position of the driving shaft (9), and the driving bevel gear (10) is meshed with the driven bevel gear (7); the hand wheel (11) is inserted and fixed at one end of the driving shaft (9) close to the fixed seat (2).
2. The structure of a light-conducting demonstration stand of claim 1, wherein: the rotary table (4) is of a circular plate-shaped structure, a circle of angle scales are arranged in the middle of the rotary table (4), and a plurality of square holes are arranged in the center and the edge of the top surface of the rotary table (4) in an array mode.
3. The structure of a light-conducting demonstration stand of claim 1, wherein: the turntable (4) is a rotating device.
4. The structure of a light-conducting demonstration stand of claim 1, wherein: the lens (5) is composed of a semicircular lens, a single-sided convex lens, a double-sided convex lens, a single-sided concave lens, a double-sided concave lens, an arc lens and a plurality of rectangular lenses, rectangular bulges are arranged at the lower part of the lens (5), and the lens (5) is inserted and arranged at the edge and the middle position of the turntable (4).
5. The structure of a light-conducting demonstration stand of claim 1, wherein: the laser head (3) is inserted and arranged at three positions on the fixing seat (2).
6. The structure of a light-conducting demonstration stand of claim 1, wherein: the fixing seat (2) is of a rectangular block structure, and three round holes for fixing the laser head (3) are formed in the fixing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110819.0U CN220439090U (en) | 2023-08-07 | 2023-08-07 | Structure of demonstration table for light conduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322110819.0U CN220439090U (en) | 2023-08-07 | 2023-08-07 | Structure of demonstration table for light conduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439090U true CN220439090U (en) | 2024-02-02 |
Family
ID=89700083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322110819.0U Active CN220439090U (en) | 2023-08-07 | 2023-08-07 | Structure of demonstration table for light conduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439090U (en) |
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2023
- 2023-08-07 CN CN202322110819.0U patent/CN220439090U/en active Active
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