CN205523242U

CN205523242U - Dust removal blackboard is used in english teaching

Info

Publication number: CN205523242U
Application number: CN201620116067.6U
Authority: CN
Inventors: 王毓琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-02-05
Filing date: 2016-02-05
Publication date: 2016-08-31
Anticipated expiration: 2026-02-05

Abstract

The utility model provides a dust removal blackboard is used in english teaching, wraps the rubbing board body and encircles the frame at plate body border, the frame is the cavity form, one side evenly distributed that the frame is close to the plate body has a plurality of air suction openings, the lower extreme of frame is provided with the dust catcher, the dust absorption mouth and the inside intercommunication of frame of dust catcher, the inside rotation through the bearing of frame of upper end is connected with the pivot, the pivot both ends are fixed with drive sprocket, the inside both sides of frame of lower extreme are fixed with the spindle nose, the spindle nose is provided with driven sprocket through the bearing, the chain has been cup jointed between drive sprocket and the driven sprocket, plate surface is provided with the strip blackboard brush of transversely placing, the both ends of strip blackboard brush respectively with the chain side fixed connection at both ends, the pivot right -hand member passes the frame and is connected with the gearbox output end on the frame lateral wall, the utility model discloses simple structure receives the dust automatically, and word teaching is interesting high, can enlarge the blackboard letter, and english teaching effects is good.

Description

A kind of English teaching dust removing blackboard

Technical field

This utility model relates to teaching aid field, specifically a kind of English teaching dust removing blackboard.

Background technology

At present, blackboard conventional in all kinds of teaching is of all kinds, mostly there is dust pollution question in what in every case writing on the blackboard used chalk-writing, badly influence the healthy of teachers and students, especially in middle and primary schools, blackboard and chalk in classroom are students, the thing that teacher can touch every day, particularly the when of wiping board book, the dust of a sheet of white dances in the air all over the sky, everybody has sucked some chalk dusts, suck too much chalk dust easily to students in middle and primary schools and the pulmonary of teacher, upper respiratory tract, eyes, skin, the many places organs such as ear work the mischief, also can induce Other diseases, pollute environment.In order to solve dust pollution question, simultaneously in order to alleviate the labor intensity of the frequent blackboard wiping of teacher in teaching process, people have devised the manually or electrically blackboard eraser of many energy automatic dust absorptions, these dust absorption blackboard erasers, being all to install Small-sized suction cleaner on blackboard eraser additional to reach the purpose of dust suction, these dust absorption blackboard erasers, because of the reason of its structure, not only pick-up performance is unsatisfactory, and wiping is rather wasted time and energy；It addition, existing blackboard for education mostly is fixed plate, and the angle of plate cannot be adjusted, teacher is when utilizing blackboard to give lessons, owing to class is relatively big, the classmate of heel row can not well observe the letter on blackboard for education, greatly reduces student learning interest and the learning efficiency；And traditional word-teaching mode is more uninteresting, the poor effect of English teaching.

Utility model content

The purpose of this utility model is to provide a kind of simple in construction, automatically receives dust, and word-teaching interest is high, it is possible to magnifying blackboard letter, and the English teaching dust removing blackboard that English Teaching Effect is good, with the problem solving to propose in above-mentioned background technology.

For achieving the above object, the following technical scheme of this utility model offer:

nullA kind of English teaching dust removing blackboard，Including plate body and the frame around plate body edge，Described frame is hollow form，Frame is evenly distributed with multiple air suction opening near the side of plate body，The lower end of frame is provided with vacuum cleaner，The suction port of vacuum cleaner is internal with frame to be connected，The frame of upper end is internal is rotatably connected to rotating shaft by bearing，Rotating shaft two ends are fixed with drive sprocket，The internal both sides of the frame of lower end are fixed with spindle nose，Spindle nose is provided with driven sprocket by bearing，Chain it is socketed with between drive sprocket and driven sprocket，Plate body surface configuration has laterally disposed strip blackboard brush，The two ends of strip blackboard brush are fixing with the chain side at two ends respectively to be connected，Described rotating shaft right-hand member is connected through frame with the decelerator outfan on frame lateral wall，The input of described decelerator is connected with the output shaft driving motor，Motor is driven to be connected with the controller on frame right side wall by circuit，The frame top of upper end is provided with and can stretch downwards the some reading panel covering plate body，Point reads panel has main frame by connection，Frame two side ends is provided with the speaker being connected with main frame，It is provided with horizontal concrete chute on the frame front end face of lower end，Slide in horizontal concrete chute and have slide block，Upper end of slide block is fixed with vertical guide，Vertical guide lateral surface is provided with vertical guide groove，Slide in vertical guide groove and be provided with travelling carriage，Travelling carriage left-hand end is fixed with amplification frame，Amplification screen it is fixed with in amplifying frame.

As further program of the utility model, being fixedly installed on base by multiple telescope support bars bottom described frame, base end face surrounding is provided with universal rolling wheel, and base is provided with the parcel tray for storing chalk and educational aid.

As further program of the utility model, described universal rolling wheel is provided with wheel sheet of stopping.

As further program of the utility model, described controller is provided with the rotating forward button controlling to drive motor to rotate and reverse and reversion button.

As further program of the utility model, described strip blackboard brush two ends are fixed with corresponding chain side by short axle.

Compared with prior art, the beneficial effects of the utility model are: vacuum cleaner connects with scuncheon, by the dust of multiple air suction openings absorption chalk, it is to avoid pollute environment, and the health of protection academics and students is encroached on from dust；Controller controls to drive the output shaft forward or reverse of motor, can drive drive sprocket, chain and driven sprocket motion, and then control strip blackboard brush moving up and down on plate face, it is achieved the function of Automatic erasing blackboard, easy for operation；The drive sprocket of both sides is connected by rotating shaft, it is ensured that the synchronizing moving at strip blackboard brush two ends, uses safety；The vertical guide arranged enables to amplify screen and moves up and down, the horizontal concrete chute arranged enables to amplify screen and moves left and right, vertical guide and horizontal concrete chute with the use of, it is possible to allow each position on amplification screen counter plate be amplified, facilitate student to see the letter on blackboard clearly, improve the learning efficiency；Host computer control point is read panel and is realized read-on-command function, it is simple to teacher realizes the pronunciation of English word in teaching process, improves class-teaching of teacher efficiency, improves student learning interest；Base end face surrounding is provided with universal rolling wheel, facilitates the mobile carrying of plate body, and base is provided with the parcel tray for storing chalk and educational aid, and teaching of use instrument is more convenient.This utility model simple in construction, receives dust automatically, and word-teaching interest is high, it is possible to magnifying blackboard letter, English Teaching Effect is good.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of English teaching dust removing blackboard.

In figure: 1-base, 2-vacuum cleaner, 3-parcel tray, 4-frame, 5-horizontal concrete chute, 6-slide block, 7-travelling carriage, 8-vertical guide, the vertical guide groove of 9-, 10-amplifies screen, 11-driven sprocket, 12-chain, 13-drive sprocket, 14-bearing, 15-rotating shaft, 16-point reads panel, 17-main frame, 18-strip blackboard brush, 19-decelerator, 20-drives motor, 21-controller, 22-rotates forward button, and 23-inverts button, 24-universal rolling wheel.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

nullRefer to Fig. 1，In this utility model embodiment，A kind of English teaching dust removing blackboard，Including plate body and the frame 4 around plate body edge，Described frame 4 is in hollow form，Frame 4 is evenly distributed with multiple air suction opening near the side of plate body，The lower end of frame 4 is provided with vacuum cleaner 2，The suction port of vacuum cleaner 2 is internal with frame 4 to be connected，The frame 4 of upper end is internal is rotatably connected to rotating shaft 15 by bearing 14，Rotating shaft 15 two ends are fixed with drive sprocket 13，The internal both sides of the frame 4 of lower end are fixed with spindle nose，Spindle nose is provided with driven sprocket 11 by bearing 14，Chain 12 it is socketed with between drive sprocket 13 and driven sprocket 11，Plate body surface configuration has laterally disposed strip blackboard brush 18，The two ends of strip blackboard brush 18 are fixing with chain 12 side at two ends respectively to be connected，Described rotating shaft 15 right-hand member is connected through frame 4 with decelerator 19 outfan on frame 4 lateral wall，The input of described decelerator 19 is connected with the output shaft driving motor 20，Motor 20 is driven to be connected with the controller 21 on frame 4 right side wall by circuit，Frame 4 top of upper end is provided with and can stretch downwards the some reading panel 16 covering plate body，Point reads panel 16 has main frame 17 by connection，Frame 4 two side ends is provided with the speaker (not shown) being connected with main frame 17，It is provided with horizontal concrete chute 5 on frame 4 front end face of lower end，Slide in horizontal concrete chute 5 and have slide block 6，Slide block 6 upper end is fixed with vertical guide 8，Vertical guide 8 lateral surface is provided with vertical guide groove 9，Slide in vertical guide groove 9 and be provided with travelling carriage 7，Travelling carriage 7 left-hand end is fixed with amplification frame，Amplification screen 10 it is fixed with in amplifying frame.

As further program of the utility model, being fixedly installed on base 1 by multiple telescope support bars bottom described frame 4, base 1 bottom surface surrounding is provided with universal rolling wheel 24, and base 1 is provided with the parcel tray 3 for storing chalk and educational aid.

As further program of the utility model, described universal rolling wheel 24 is provided with wheel sheet of stopping.

As further program of the utility model, described controller 21 is provided with the rotating forward button 22 controlling to drive motor 20 to rotate and reverse and reversion button 23.

As further program of the utility model, described strip blackboard brush 18 two ends are fixed with corresponding chain 12 side by short axle.

Operation principle of the present utility model is: vacuum cleaner 2 connects inside frame 4, by the dust of multiple air suction openings absorption chalk, it is to avoid pollute environment, and the health of protection academics and students is encroached on from dust；Controller 21 controls to drive the output shaft forward or reverse of motor 20, and drive sprocket 13, chain 12 and driven sprocket 11 can be driven to move, and then controls strip blackboard brush 18 moving up and down on plate face, it is achieved the function of Automatic erasing blackboard, easy for operation；The drive sprocket 13 of both sides is connected by rotating shaft 15, it is ensured that the synchronizing moving at strip blackboard brush 18 two ends, uses safety；The vertical guide 8 arranged enables to amplify screen 10 and moves up and down, the horizontal concrete chute 5 arranged enables to amplify screen 10 and moves left and right, vertical guide 8 and horizontal concrete chute 5 with the use of, amplification can be allowed to shield each position on 10 counter plates be amplified, facilitate student to see the letter on blackboard clearly, improve the learning efficiency；Main frame 17 control point is read panel 16 and is realized read-on-command function, it is simple to teacher realizes the pronunciation of English word in teaching process, improves class-teaching of teacher efficiency, improves student learning interest；Base 1 bottom surface surrounding is provided with universal rolling wheel 24, facilitates the mobile carrying of plate body, and base 1 is provided with the parcel tray 3 for storing chalk and educational aid, and teaching of use instrument is more convenient.

It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.

In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.

Claims

null1. an English teaching dust removing blackboard，Including plate body and the frame around plate body edge，It is characterized in that，Described frame is hollow form，Frame is evenly distributed with multiple air suction opening near the side of plate body，The lower end of frame is provided with vacuum cleaner，The suction port of vacuum cleaner is internal with frame to be connected，The frame of upper end is internal is rotatably connected to rotating shaft by bearing，Rotating shaft two ends are fixed with drive sprocket，The internal both sides of the frame of lower end are fixed with spindle nose，Spindle nose is provided with driven sprocket by bearing，Chain it is socketed with between drive sprocket and driven sprocket，Plate body surface configuration has laterally disposed strip blackboard brush，The two ends of strip blackboard brush are fixing with the chain side at two ends respectively to be connected，Described rotating shaft right-hand member is connected through frame with the decelerator outfan on frame lateral wall，The input of described decelerator is connected with the output shaft driving motor，Motor is driven to be connected with the controller on frame right side wall by circuit，The frame top of upper end is provided with and can stretch downwards the some reading panel covering plate body，Point reads panel has main frame by connection，Frame two side ends is provided with the speaker being connected with main frame，It is provided with horizontal concrete chute on the frame front end face of lower end，Slide in horizontal concrete chute and have slide block，Upper end of slide block is fixed with vertical guide，Vertical guide lateral surface is provided with vertical guide groove，Slide in vertical guide groove and be provided with travelling carriage，Travelling carriage left-hand end is fixed with amplification frame，Amplification screen it is fixed with in amplifying frame.
2.According toA kind of English teaching dust removing blackboard described in claim 1, it is characterized in that, being fixedly installed on base by multiple telescope support bars bottom described frame, base end face surrounding is provided with universal rolling wheel, and base is provided with the parcel tray for storing chalk and educational aid.
A kind of English teaching dust removing blackboard the most according to claim 2, it is characterised in that be provided with wheel sheet of stopping on described universal rolling wheel.
A kind of English teaching dust removing blackboard the most according to claim 1, it is characterised in that be provided with the rotating forward button controlling to drive motor to rotate and reverse and reversion button on described controller.
A kind of English teaching dust removing blackboard the most according to claim 1, it is characterised in that described strip blackboard brush two ends are fixed with corresponding chain side by short axle.