CN206758011U

CN206758011U - The automatic Display sample table of teaching

Info

Publication number: CN206758011U
Application number: CN201720669847.8U
Authority: CN
Inventors: 陈宏�
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-10
Filing date: 2017-06-10
Publication date: 2017-12-15
Anticipated expiration: 2027-06-10

Abstract

The utility model discloses a kind of automatic Display sample table of teaching, including tables and positive and negative switch, the middle position of the tables opens up fluted, and it is plugged with major axis through rotation in groove, when displaying is needed, dial up positive and negative switch, motor rotation drives the first flywheel, belt and the second flywheel turns, second flywheel band moving sleeve rotates, at the same time, the N of electromagnet is upward, corresponding permanent magnet N levels are repelled downwards, so that supporting table is flicked, supporting table drives major axis to move up, so that the fixture block that major axis side wall is provided with is slid up in the neck of sleeve lining, so that major axis, supporting table and dispenser drive to be rotated together, the displaying of multi-angle, with very strong practicality, multi-angle automation conversion displaying, substantially increase bandwagon effect.

Description

The automatic Display sample table of teaching

Technical field

It the utility model is related to Scientific Teaching field, the automatic Display sample table of specially a kind of teaching.

Background technology

At present, it is necessary to which teacher, which teaches child, identifies various crop seeds, leaf etc. during Scientific Teaching Etc. three-dimensional sample.Being generally seated in transparent container allows child to identify, it has not been convenient to which child observes, when needing multi-angle to show Wait, various three-dimensional samples easily conversion angle can not correspond to identification, influence quality of instruction and effect.

Utility model content

The purpose of this utility model is the automatic Display sample table for providing a kind of teaching, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides following technical scheme：

Including tables and positive and negative switch, the middle position of the tables open up it is fluted, and through rotating grafting in groove There is major axis, the upper end of the major axis is connected with the bottom of supporting table, and the top of supporting table is rotatably connected to dispenser by screw, The intracavity bottom of supporting table is provided with permanent magnet, and supporting table is arranged right below electromagnet and spring, electromagnet and spring and is located at In groove；

The lower end of the major axis is fixedly connected with limited block, and the side wall of major axis is connected with fixture block, the major axis activity grafting In sleeve, and the madial wall of sleeve offers the neck that clamping is matched with fixture block, the upper end of the sleeve and the lower end of tables Face is rotatablely connected, and the lower end of sleeve is fixedly connected with the first flywheel, circular cavity is offered on the first flywheel, the major axis interts By circular cavity, first flywheel is connected with the second flywheel by belt, and the second flywheel is connected with the rotating shaft on motor, The welding of the bottom of the lateral wall of motor and tables, electromagnet are electrically connected with positive and negative switch, motor, positive and negative switch and external Power supply is electrically connected with.

Preferably, the number of the electromagnet and spring at least six, and the annular spread centered on major axis.

Preferably, the number of the fixture block has six, and angularly annular spread is presented between fixture block.

Preferably, the diameter of the circular cavity on first flywheel is mutually corresponded to more than two between parallel fixture block Distance.

Preferably, the bottom of the tables is provided with four supporting legs, and supporting leg bottom is provided with slipmat.

Compared with prior art, the beneficial effects of the utility model are：It is simple in construction, when displaying is needed, dial upwards Positive and negative switch is moved, motor rotation drives the first flywheel, belt and the second flywheel turns, and the second flywheel band moving sleeve rotates, with This simultaneously, the N of electromagnet upward, repel downwards by corresponding permanent magnet N levels, so that supporting table is flicked, supporting table drives Major axis moves up, so that the fixture block that major axis side wall is provided with is slid up in the neck of sleeve lining, so that long Axle, supporting table and dispenser drive and rotated together, the displaying of multi-angle；When need not show, positive and negative switch is stirred downwards, Now, the conversion of the N and S levels of electromagnet, upward, so as to attract permanent magnet, supporting table is recovered in groove the S levels of electromagnet, Meanwhile fixture block and neck depart from, so as to which major axis, supporting table and dispenser will not also rotate, stop displaying, there is very strong practicality Property, multi-angle automation conversion displaying substantially increases bandwagon effect.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is A-A structure sectional views.

In figure：It is 1 tables, 2 major axis, 3 limited blocks, 4 sleeves, 5 necks, 6 first flywheels, 7 belts, 8 second flywheels, 9 electronic Machine, 10 fixture blocks, 11 electromagnet, 12 permanent magnets, 13 springs, 14 supporting tables, 15 dispensers, 16 positive and negative switches.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.

Fig. 1-2 is referred to, the utility model includes tables 1 and positive and negative switch 16, and the bottom of tables 1 is provided with four supports Leg, supporting leg bottom are provided with slipmat, and the middle position of tables 1 opens up fluted, and is plugged with major axis through rotation in groove 2, the upper end of major axis 2 is connected with the bottom of supporting table 14, and the top of supporting table 14 is rotatably connected to dispenser 15 by screw, branch The intracavity bottom of support platform 14 is provided with permanent magnet 12, and supporting table 14 is arranged right below electromagnet 11 and spring 13, the He of electromagnet 11 Spring 13 and in the grooves, the number of electromagnet 11 and spring 13 at least six, and the annular point centered on major axis 2 Cloth.

The lower end of major axis 2 is fixedly connected with limited block 3, and the side wall of major axis 2 is connected with fixture block 10, and the number of fixture block 10 has six It is individual, and angularly annular spread is presented between fixture block 10, the activity of major axis 2 is plugged in sleeve 4, and the madial wall of sleeve 4 opens up There is a neck 5 that clamping is matched with fixture block 10, the upper end of sleeve 4 and the lower surface rotation connection of tables 1, the lower end of sleeve 4 and the One flywheel 6 is fixedly connected, and circular cavity is offered on the first flywheel 6, and major axis 2, which interts, passes through circular cavity, on the first flywheel 6 The diameter of circular cavity mutually corresponds to the distance between parallel fixture block 10 more than two, and the first flywheel 6 is connected with by belt 7 Second flywheel 8, the second flywheel 8 are connected with the rotating shaft of motor 9, the lateral wall of motor 9 and the bottom welding of tables 1, electromagnetism Iron 11 is electrically connected with positive and negative switch 16, and positive and negative switch 16 is by wire and external power supply electric connection, motor 9 and by opening Close and external power supply is electrically connected with.The electric current that positive and negative switch 16 can switch the coil power supply to being wound on electromagnet 11 is just demodulating Section, so as to realize the conversion of the N and S levels of electromagnet 11.

Operation principle：When need displaying when, dial up it is positive and negative switch 16, the N of electromagnet 11 upward, corresponding permanent magnetism The N levels of iron 12 are repelled downwards, if necessary manual correction position, and align fixture block 10 and neck 5, so that supporting table 14 is by bullet Open, supporting table 14 drives major axis 2 to move up, so that the fixture block 10 that the side wall of major axis 2 is provided with slides up to the inwall of sleeve 4 Neck 5 in, connect the power supply of motor 9, motor 9, which rotates, drives the first flywheel 6, the flywheel 8 of belt 7 and second to rotate, the Two flywheels 8 rotate with moving sleeve 4, and major axis 2, supporting table 14 and dispenser 15 drive and rotated together, the displaying of multi-angle；When being not required to When showing, the power supply of motor 9 is disconnected, after motor 9 stops, stirring positive and negative switch 16, now, electromagnet 11 downwards The conversion of N and S levels, upward, so as to attract permanent magnet 12, supporting table 14 is recovered in groove the S levels of electromagnet 11, the He of fixture block 10 Neck 5 departs from, and next time no longer needs the position of manual correction fixture block 10 and neck 5 when opening.

Claims

1. the automatic Display sample table of teaching, including tables（1）With positive and negative switch（16）, it is characterised in that：The tables（1） Middle position open up fluted, and be plugged with major axis through rotation in groove（2）, the major axis（2）Upper end be connected with branch Support platform（14）Bottom, supporting table（14）Top dispenser is rotatably connected to by screw（15）, supporting table（14）Inner chamber Bottom is provided with permanent magnet（12）, the supporting table（14）Be arranged right below electromagnet（11）And spring（13）, electromagnet（11） And spring（13）And on groove；The major axis（2）Lower end be fixedly connected with limited block（3）, major axis（2）Side wall connection There is fixture block（10）, the major axis（2）Activity is plugged on sleeve（4）In, and sleeve（4）Madial wall offer and fixture block（10） Neck with clamping（5）, the sleeve（4）Upper end and tables（1）Lower surface rotation connection, sleeve（4）Lower end and One flywheel（6）It is fixedly connected, the first flywheel（6）On offer circular cavity, the major axis（2）It is interspersed to pass through circular cavity, institute State the first flywheel（6）Pass through belt（7）It is connected with the second flywheel（8）, the second flywheel（8）With motor（9）On rotating shaft connection, Motor（9）Lateral wall and tables（1）Bottom welding, electromagnet（11）With positive and negative switch（16）It is electrically connected with, motor （9）, positive and negative switch（16）It is electrically connected with power supply.

2. the automatic Display sample table of teaching according to claim 1, it is characterised in that：The electromagnet（11）And bullet Spring（13）Number at least six, and with major axis（2）Centered on annular spread.

3. the automatic Display sample table of teaching according to claim 1, it is characterised in that：The fixture block（10）Number There are six, and fixture block（10）Between angularly annular spread is presented.

4. the automatic Display sample table of teaching according to claim 1, it is characterised in that：First flywheel（6）On The diameter of circular cavity mutually correspond to parallel fixture block more than two（10）The distance between.

5. the automatic Display sample table of teaching according to claim 1, it is characterised in that：The tables（1）Bottom Provided with four supporting legs, supporting leg bottom is provided with slipmat.