CN205410315U - Student is with novel convex lens experiment desk - Google Patents

Abstract

Student is with novel convex lens experiment desk, including the desk body, platen and two mounts are tested in the installation of the upper portion of desk body, and the mount is L shape, experiment platen and mount cooperation, pen container elevating gear is installed to the lateral part of desk body, the first slider of installation, second slider, third slider and fourth slider on the experiment platen, the light -passing board is installed to installation highlight flashlight on the first slider on the second slider, the utility model discloses regard the highlight flashlight as the light source, illumination intensity is stable, and simultaneously, the figure anti -dazzling screen has the figure of making clear the structure, the relation of demonstration symmetry that can be obvious after the formation of image on the screen to clear image -forming principle of demonstrateing convex lens to the student. The utility model discloses a light -passing board both can see through light, can make the figure anti -dazzling screen keep at suitable height again.

Description

Student tests desk with Novel convex lens

Technical field

This utility model relates to a kind of desk, and more precisely a kind of student tests desk with Novel convex lens.

Background technology

Desk is desk used by student, and from the beginning of all directions table in school the earliest, for school, the desk of school study should be unified as desk.Major part school is all the single desk using this tradition to be processed into by solid wood, double desk.This desk is easy to process, and material is weedtree, wastes a large amount of timber, and is not durable, and is the most still that the middle and primary schools of a lot of poverty-stricken area use.Because desk-bench height is fixed, gradually replaced by the adjustable desk of steel-plastic structure.Laboratory table, is usually used in testing.Table top in test is provided.Existing experiment desk can only use as testing stand, it is impossible to facilitates Students ' Learning well and writes.Existing convex lens experiment desk uses wax candle as light source mostly, and the flame of wax candle is the most unstable, at the image of optical screen display candle flame, owing to the image of candle flame is the most symmetrical, it is impossible to the image-forming principle showing convex lens to student that will be apparent from.

Utility model content

The purpose of this utility model is to provide a kind of student and tests desk with Novel convex lens, it is possible to solve above-mentioned problem.

This utility model for achieving the above object, is achieved through the following technical solutions:

Student tests desk with Novel convex lens, including desk body, Platform board for experiment and two fixed mounts are installed in the top of desk body, fixed mount is L-shaped, Platform board for experiment coordinates with fixed mount, the sidepiece of desk body installs pen container lowering or hoisting gear, first slide block is installed on Platform board for experiment, second slide block, 3rd slide block and Four-slider, bright light torch is installed on the first slide block, light-passing board is installed on the second slide block, figure brake sack is installed in the side of light-passing board, convex lens is installed on the 3rd slide block, optical screen is installed on Four-slider, the side of optical screen arranges luminescent powder coating, first slide block, second slide block, the bottom of the 3rd slide block and Four-slider is respectively mounted pointer, the sidepiece of desk body installs ruler, ruler coordinates with pointer.

In order to realize the purpose of this utility model further, can also be by the following technical solutions: described pen container lowering or hoisting gear includes guide rail, pen container, sliding seat, fixation clamp, nut, screw mandrel and motor, guide rail and motor are installed in the side of desk body, the output shaft of motor installs screw mandrel, nut is installed on screw mandrel, pen container is installed in the side of nut, and sliding seat is installed in the side of pen container, and sliding seat coordinates with guide rail.The sidepiece of described pen container installs fixation clamp.

The utility model has the advantage of: this utility model using bright light torch as light source, intensity of illumination is stable, and meanwhile, figure brake sack is the figure with clear and definite structure, optical screen can significantly show after imaging the relation of symmetry, thus clearly show the image-forming principle of convex lens to student.Light-passing board of the present utility model both can pass through light, and figure brake sack can be made again to be maintained at suitable height.First slide block of the present utility model, the second slide block, the 3rd slide block and Four-slider can facilitate bright light torch, light-passing board, convex lens and optical screen freely to adjust position.Luminescent powder coating of the present utility model can still show the figure of light after bright light torch is closed, and facilitates student to be observed.Ruler of the present utility model coordinates the position that student can be facilitated to determine bright light torch, light-passing board, convex lens and optical screen in real time with pointer.Platform board for experiment is fixed in desk body by this utility model by fixed mount, only need to be removed by Platform board for experiment when need not test and just can facilitate student writing and study, change different types of Platform board for experiment simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.This utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.

Accompanying drawing explanation

Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.In the accompanying drawings:

Fig. 1 is structural representation of the present utility model.

Mark parts: 1 Platform board for experiment 2 fixed mount 3 desk body 4 guide rail 5 pen container 6 sliding seat 7 fixation clamp 8 nut 9 screw mandrel 10 motor 11 bright light torch 12 first slide block 13 light-passing board 14 figure brake sack 15 second slide block 16 convex lens 17 the 3rd slide block 18 luminescent powder coating 19 optical screen 20 Four-slider 21 pointer 22 ruler.

Detailed description of the invention

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.

nullStudent tests desk with Novel convex lens，As shown in Figure 1，Including desk body 3，Platform board for experiment 1 and two fixed mounts 2 are installed in the top of desk body 3，Fixed mount 2 is L-shaped，Platform board for experiment 1 coordinates with fixed mount 2，The sidepiece of desk body 3 installs pen container lowering or hoisting gear，First slide block 12 is installed on Platform board for experiment 1、Second slide block 15、3rd slide block 17 and Four-slider 20，Bright light torch 11 is installed on first slide block 12，Light-passing board 13 is installed on second slide block 15，Figure brake sack 14 is installed in the side of light-passing board 13，Convex lens 16 is installed on the 3rd slide block 17，Optical screen 19 is installed on Four-slider 20，The side of optical screen 19 arranges luminescent powder coating 18，First slide block 12、Second slide block 15、The bottom of the 3rd slide block 17 and Four-slider 20 is respectively mounted pointer 21，The sidepiece of desk body 3 installs ruler 22，Ruler 22 coordinates with pointer 21.

This utility model is using bright light torch 11 as light source, and intensity of illumination is stable, and meanwhile, figure brake sack 14 is the figure with clear and definite structure, can significantly show the relation of symmetry, thus clearly show the image-forming principle of convex lens to student on optical screen 19 after imaging.Light-passing board 13 of the present utility model both can pass through light, and figure brake sack 14 can be made again to be maintained at suitable height.First slide block the 12, second slide block the 15, the 3rd slide block 17 of the present utility model and Four-slider 20 can facilitate bright light torch 11, light-passing board 13, convex lens 16 and optical screen 19 freely to adjust position.Luminescent powder coating 18 of the present utility model can still show the figure of light after bright light torch 11 is closed, and facilitates student to be observed.Ruler 22 of the present utility model coordinates with pointer 21 student can be facilitated to determine bright light torch 11, light-passing board 13, convex lens 16 and the position of optical screen 19 in real time.Platform board for experiment 1 is fixed in desk body 3 by this utility model by fixed mount 2, only Platform board for experiment 1 need to be removed when need not test and just can facilitate student writing and study, change different types of Platform board for experiment 1 simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.

Described pen container lowering or hoisting gear includes guide rail 4, pen container 5, sliding seat 6, fixation clamp 7, nut 8, screw mandrel 9 and motor 10, guide rail 4 and motor 10 are installed in the side of desk body 3, the output shaft of motor 10 installs screw mandrel 9, nut 8 is installed on screw mandrel 9, pen container 5 is installed in the side of nut 8, sliding seat 6 is installed in the side of pen container 5, and sliding seat 6 coordinates with guide rail 4.Pen container 5 can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container 5 from being touched down, and when student needs use, pen container 5 can be risen, facilitate student to use by pen container lowering or hoisting gear.Motor 10 of the present utility model can drive pen container 5 to lift by nut 8 and screw mandrel 9.Sliding seat 6 of the present utility model coordinates the rotation being possible to prevent pen container 5 to follow screw mandrel 9 to rotate with guide rail 4.

The sidepiece of described pen container 5 installs fixation clamp 7.Book can conveniently be clamped by fixation clamp 7 of the present utility model, facilitates student that experiment is carried out record.

Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (3)

1. null1. student tests desk with Novel convex lens，It is characterized in that: include desk body (3)，Platform board for experiment (1) and two fixed mounts (2) are installed in the top of desk body (3)，Fixed mount (2) is L-shaped，Platform board for experiment (1) coordinates with fixed mount (2)，The sidepiece of desk body (3) installs pen container lowering or hoisting gear，Platform board for experiment (1) is upper installs the first slide block (12)、Second slide block (15)、3rd slide block (17) and Four-slider (20)，Bright light torch (11) is installed on the first slide block (12)，Light-passing board (13) is installed on the second slide block (15)，Figure brake sack (14) is installed in the side of light-passing board (13)，On 3rd slide block (17), convex lens (16) is installed，Optical screen (19) is installed on Four-slider (20)，The side of optical screen (19) arranges luminescent powder coating (18)，First slide block (12)、Second slide block (15)、The bottom of the 3rd slide block (17) and Four-slider (20) is respectively mounted pointer (21)，The sidepiece of desk body (3) installs ruler (22)，Ruler (22) coordinates with pointer (21).
2. Student the most according to claim 1 tests desk with Novel convex lens, it is characterized in that: described pen container lowering or hoisting gear includes guide rail (4), pen container (5), sliding seat (6), fixation clamp (7), nut (8), screw mandrel (9) and motor (10), guide rail (4) and motor (10) are installed in the side of desk body (3), the output shaft of motor (10) installs screw mandrel (9), nut (8) is installed on screw mandrel (9), pen container (5) is installed in the side of nut (8), sliding seat (6) is installed in the side of pen container (5), sliding seat (6) coordinates with guide rail (4).
3. Student the most according to claim 2 tests desk with Novel convex lens, it is characterised in that: the sidepiece of described pen container (5) installs fixation clamp (7).