CN209804098U - Optical instrument for physics teaching - Google Patents

Abstract

The utility model discloses an optical instrument for physical teaching, the on-line screen storage device comprises a base, the inner wall of base is pegged graft and is had branch, the top fixedly connected with angle calibrated scale of branch, first fixing stud is worn to be equipped with at the middle part of angle calibrated scale, the front end of first fixing stud is worn out behind the front end of angle calibrated scale and fixedly connected with splint, the inboard card of splint is equipped with the catadioptric piece, the bottom threaded connection of splint has rubber bolt, rubber bolt wears into the inboard of splint and offsets with the bottom surface of catadioptric piece, the rear end of angle calibrated scale is worn out to the rear end of first fixing stud after and threaded connection have a fixation nut. The utility model discloses, possess the advantage of adjusting convenience, portable, solved among the prior art light source transmitter need adjust the light irradiation angle very inconvenient, adjust the difficult problem of fixing again of back light source transmitter's angle moreover.

Description

Optical instrument for physics teaching

Technical Field

The utility model relates to a physics teaching aid technical field specifically is an optical instrument for physical teaching.

Background

The law of reflection and refraction of light is common knowledge of physics, and teachers in class usually use related teaching aids to demonstrate the knowledge in order to deepen the impression of students on the knowledge, so that instruments specially used for demonstrating the reflection and refraction of light appear. For example, chinese patent application No. CN200620030733.0 discloses a light reflection and refraction demonstration instrument suitable for physics-aided teaching in middle school, which comprises a demonstration board embedded on a base, a display disc which is parallel to the demonstration board and can rotate is mounted on the demonstration board, a movable fast-assembling light source emitter is clamped on one side of the circumferential surface of the display disc, and a magnetic part for adsorbing optical demonstration components is embedded in the central part of the display disc.

however, the light source emitter in the scheme is very inconvenient when the light irradiation angle needs to be adjusted, and the angle of the light source emitter after adjustment is not easy to fix, so that the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical instrument for physical teaching possesses the advantage of adjusting convenience, portable, and it is very inconvenient when light source transmitter needs adjust light irradiation angle among the prior art to have solved, adjusts the difficult problem of fixing of angle of back light source transmitter again.

In order to achieve the above object, the utility model provides a following technical scheme: an optical instrument for physical teaching comprises a base, wherein a supporting rod is inserted into the inner wall of the base, an angle dial is fixedly connected to the top end of the supporting rod, a first fixing stud is arranged in the middle of the angle dial in a penetrating mode, the front end of the first fixing stud penetrates out of the front end of the angle dial and is fixedly connected with a clamping plate, a reflection and refraction member is clamped on the inner side of the clamping plate, a rubber bolt is connected with the bottom of the clamping plate in a threaded mode, penetrates into the inner side of the clamping plate and abuts against the bottom surface of the reflection and refraction member, the rear end of the first fixing stud penetrates out of the rear end of the angle dial and is connected with a first fixing nut in a threaded mode, a second fixing stud is further fixedly connected to the rear end of the first fixing stud, a support is sleeved on the surface of the second fixing stud, a sleeve is movably connected to the front end of the top of the support, the rear end of the second fixing stud penetrates out of the rear end of the support and is in threaded connection with a second fixing nut.

Preferably, the splint has a v-21274shape and a v-21274shape splint with an inner diameter greater than an outer diameter of the catadioptric member.

Preferably, the catadioptric element is a mirror block or a glass block.

Preferably, the opposite surfaces of the support and the sleeve are fixedly connected with magnets which are magnetically attracted with each other.

Preferably, the first fixing nut is a flat plate-shaped nut, and the second fixing nut is a lug-shaped nut.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model, when demonstrating, through twisting the second fixing nut, rotate the bracket, make the laser lamp light that embeds in the sleeve shine on the reflection and refraction piece, the setting of magnet, on the one hand make the laser lamp convenient for install and dismantle, then reach the purpose of convenient assembly and carrying, on the other hand is for conveniently reading the reading from the angle dial, on the other hand, usually need to shine the laser lamp light on the reflection and refraction piece upper surface, namely correspond to the centre of a circle department of the angle dial, the setting of magnet just conveniently adjusts the laser lamp light and aims at the centre of a circle department, need not make the regulation more convenient through the mode of dismantling the laser lamp, the reflection and refraction piece is the mirror surface piece or the glass brick, respectively correspond reflection and refraction demonstration of light, the setting of splint, conveniently clamp and hold and fix the reflection and refraction piece, to sum up, the instrument has the advantages of simple structure, convenient regulation, low manufacturing cost and the like, compared with the optical instrument in the prior art, the optical instrument has better use effect.

Drawings

FIG. 1 is a schematic structural diagram of a front view of a catadioptric element of the present invention as a mirror block;

FIG. 2 is a schematic structural view of a front view of the catadioptric element of the present invention as a glass block;

Fig. 3 is a schematic structural view of a partial sectional view of a side view of the angle dial of the present invention.

In the figure: 1-base, 2-support rod, 3-angle dial, 4-first fixing stud, 5-splint, 6-reflection refraction piece, 7-rubber bolt, 8-first fixing nut, 9-second fixing stud, 10-bracket, 11-sleeve, 12-laser lamp, 13-second fixing nut and 14-magnet.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: an optical instrument for physical teaching comprises a base 1 for supporting the whole instrument, a supporting rod 2 is inserted into the inner wall of the base 1, an angle dial 3 is fixedly connected to the top end of the supporting rod 2, the angle dial 3 facilitates reading of angles during reflection/refraction, a first fixing stud 4 is arranged in the middle of the angle dial 3 in a penetrating mode, the front end of the first fixing stud 4 penetrates out of the front end of the angle dial 3 and is fixedly connected with a clamping plate 5, a catadioptric member 6 is clamped on the inner side of the clamping plate 5, a rubber bolt 7 is connected to the bottom of the clamping plate 5 in a threaded mode, the rubber bolt 7 penetrates into the inner side of the clamping plate 5 and abuts against the bottom surface of the catadioptric member 6, the surface of the catadioptric member 6 cannot be damaged due to slight force application due to rubber materials, a first fixing nut 8 is connected to the rear end of the first fixing stud 4 after penetrating out of, cooperate first fixing stud 4, fix splint 5, fixed back splint 5 will keep the level, fixedly connected with second fixing stud 9 is gone back to the rear end of first fixing stud 4, the surface cover of second fixing stud 9 is equipped with support 10, the front end swing joint at support 10 top has sleeve 11, laser lamp 12 has been cup jointed in sleeve 11, behind the rear end of support 10 was worn out to the rear end of second fixing stud 9 and threaded connection has second fixation nut 13, cooperation second fixing stud 9, fix support 10, make the position of laser lamp 12 adjustable and difficult not hard up after adjusting.

The splint 5 is shaped like a v-21274, the inner diameter of the v-shaped splint 5 is larger than the outer diameter of the reflection and refraction piece 6, and the reflection and refraction pieces 6 with different thicknesses are easy to clamp by matching with the rubber bolt 7.

Catadioptric piece 6 is mirror surface piece or glass brick, when catadioptric piece 6 is the mirror surface piece, 12 lamp illumination of laser lamp shine and take place light reflection on the mirror surface piece, carry out the light reflex demonstration, when catadioptric piece 6 is the glass brick, 12 lamp illumination of laser lamp shine and take place light refraction on the mirror surface piece, carry out the light reflex demonstration, it is worth mentioning that the volume of catadioptric piece 6 should not be got greatly, prevent Contraband shaped plate 5 centre gripping insecure, its size as long as can satisfy 12 lamp illumination of laser lamp shine on catadioptric piece 6 can.

Support 10 and the magnet 14 of the mutual magnetism of the equal fixedly connected with of opposite face of sleeve 11, the setting of magnet 14, on the one hand, make laser lamp 12 be convenient for install and dismantle, then reach the purpose of convenient equipment carrying, on the other hand is for conveniently reading the reading on by angle calibrated scale 3, generally need shine line 12 lamps of laser lamp at catadioptric member 6 upper surface, correspond centre of a circle department at angle calibrated scale 3 promptly, magnet 14 sets up and just conveniently adjusts laser lamp 12 lamps and shines line and aim at centre of a circle department, need not be through the mode of dismantling the laser lamp, make the regulation more convenient.

The first fixing nut 8 is a flat plate-shaped nut, the second fixing nut 13 is a lug-shaped nut, both of which have fixing functions, and the lug-shaped second fixing nut 13 is easier to hold and loosen or tighten when the irradiation angle of the light of the laser lamp 12 is adjusted.

The working principle is as follows: this an optical instrument for physical teaching uses, during the light reflection demonstration, with the mirror surface piece card in Contraband shape splint 5 inboards, screw up rubber bolt 7 and fix, then open laser lamp 12, rotate the angle of illumination of support 10 regulation laser lamp 12, if adjust the centre of a circle department that the angle calibrated scale 3 was not aimed at to the lamp illumination line of laser lamp 12, it can to rotate sleeve 11 and aim at, so make things convenient for the reading, during the light refraction demonstration, with the mirror surface piece change into the glass brick can, the operating procedure is unanimous with the step of light reflection demonstration.

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 (5)

1. An optical instrument for physics teaching, comprising: comprises a base (1), a supporting rod (2) is inserted into the inner wall of the base (1), an angle dial scale (3) is fixedly connected to the top end of the supporting rod (2), a first fixing stud (4) is arranged in the middle of the angle dial scale (3) in a penetrating mode, the front end of the first fixing stud (4) penetrates out of the front end of the angle dial scale (3) and is fixedly connected with a clamping plate (5), a reflection and refraction piece (6) is clamped on the inner side of the clamping plate (5), a rubber bolt (7) is connected to the bottom of the clamping plate (5) in a threaded mode, the rubber bolt (7) penetrates into the inner side of the clamping plate (5) and abuts against the bottom surface of the reflection and refraction piece (6), a first fixing nut (8) is connected to the rear end of the first fixing stud (4) in a penetrating out of the rear end of the angle dial scale (3) in a threaded mode, and a second fixing stud (9) is further fixedly, the surface cover of second fixing stud (9) is equipped with support (10), the front end swing joint at support (10) top has sleeve (11), laser lamp (12) have been cup jointed in sleeve (11), the rear end back and the threaded connection of support (10) have second fixation nut (13) are worn out to the rear end of second fixing stud (9).

2. An optical instrument for physics teaching according to claim 1 wherein: the splint (5) is in a shape of a v-21274, and the inner diameter of the v-21274shaped splint (5) is larger than the outer diameter of the reflection and refraction piece (6).

3. An optical instrument for physics teaching according to claim 1 wherein: the reflection and refraction piece (6) is a mirror block or a glass brick.

4. An optical instrument for physics teaching according to claim 1 wherein: the opposite surfaces of the support (10) and the sleeve (11) are fixedly connected with magnets (14) which are magnetically attracted with each other.

5. An optical instrument for physics teaching according to claim 1 wherein: the first fixing nut (8) is a flat-plate-shaped nut, and the second fixing nut (13) is a lug-shaped nut.