CN2834926Y

CN2834926Y - Multifunctional blackboard

Info

Publication number: CN2834926Y
Application number: CN 200520118371
Authority: CN
Inventors: 王宇宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-08
Filing date: 2005-09-08
Publication date: 2006-11-08
Anticipated expiration: 2015-09-08

Abstract

The utility model relates to a multifunctional blackboard, of which the purpose is to solve the technical problems of automatic blackboard cleaning and the alternate use of two blackboards. The utility model is mainly composed of a blackboard frame, a first pulley wheel, a first blackboard eraser strip, a first blackboard, a second blackboard, a second pulley wheel, a second blackboard eraser strip and a motor. The utility model is characterized in that both sides of the first blackboard eraser strip is connected with the inner side of the first pulley wheel through a shaft, the whole of the first pulley wheel is inserted and arranged in a sliding way of the second blackboard, the back side of both sides of the second blackboard is connected with the inner side of the second pulley wheel through a shaft, the whole of the second pulley wheel is arranged on the sliding way of the blackboard frame in a nesting way and the whole of the motor is tightly and fixedly arranged on the left lower corner of the blackboard frame by screws. The utility model uses equipment of blackboard factories to produce in bulk so as to satisfy the requirement of the educational circles.

Description

Multi-functional blackboard

(1) technical field:

The utility model relates to multi-functional blackboard, divides the technical field that belongs to blackboard group by International Patent Classification (IPC) (IPC).

(2) background technology:

At present, the technology about blackboard group existing and that once had was all done very fruitful effort to the demand of multi-functional blackboard, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by Chen Minghua, Granted publication number is CN2517590Y, China Patent No. (ZL) is that No. 02212074.2 utility model patent title is the utility model patent of " transversal-push type multilayer Sliding blackboard ", the technical scheme that is adopted, technical elements in blackboard group is a routine of great value invention, and it has solved a large amount of writings on the blackboard effectively and need not the middle technical problem that wipes blackboard in classroom.But still have some deficits, it also is difficult to solve automatic blackboard cleaning, two technical problems that blackboard is used alternatingly.

(3) summary of the invention

The purpose of this utility model is to provide a kind of multi-functional blackboard.To solve automatic blackboard cleaning, two technical problems that blackboard is used alternatingly.

The new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is: multi-functional blackboard of the present utility model mainly is made of blackboard frame, pulley I, blackboard eraser bar I, blackboard I, blackboard II, pulley II, blackboard eraser bar II, motor.

In shape, structure and combination thereof, the total essential features of multi-functional blackboard of the present utility model and immediate prior art is: the both sides slideway of blackboard frame embeds the slide block that is installed in blackboard I, the back side of blackboard I is bonded in the integral body of blackboard eraser bar II, be combined into the common bascule that slides the blackboard shape, function has been that blackboard I is slided, the erase the board effect of II of blackboard eraser bar II.In shape, structure and combination thereof, the multi-functional blackboard of the present utility model technical characterictic different with immediate prior art is: two side shafts of blackboard eraser bar I are connected the inside of pulley I, the integral body of pulley I embeds and is installed in the slideway of blackboard II, be combined into the slidably bascule of shape of blackboard eraser bar I, function has been the effect of I of erasing the board of sliding.The back side, the both sides axle of blackboard II is connected the inside of pulley II, and the whole nested slideway that is installed in the blackboard frame of pulley II is combined into the bascule of blackboard II slip shape in the blackboard frame, and function has been the effect that blackboard II is slided in the blackboard frame.The fastening lower left corner that is installed in the blackboard frame of the whole screw of motor is combined into the fixed structure of motor shape, and function is that electrizer drives the effect that pulley slides.So just reached multi-functional blackboard of the present utility model and solved automatic blackboard cleaning, the purpose of the technical problem that two blackboards are used alternatingly.

The beneficial effect of the multi-functional blackboard of utility model is: the utility model is for solving automatic blackboard cleaning, and the technical scheme that technical problem adopted that two blackboards are used alternatingly has been compared three place's advantage and improvement with existing with the technology about blackboard group that once had:

First, because two side shafts that designed blackboard eraser bar I in the technical scheme of multi-functional blackboard of the present utility model are connected the inside of pulley I, the integral body of pulley I embeds and is installed in the slideway of blackboard II, be combined into the slidably bascule of shape of blackboard eraser bar I, the technical problem of I so easier solution slip erases the board.

Second, because the back side, the both sides axle that has designed blackboard II in the technical scheme of multi-functional blackboard of the present utility model is connected the inside of pulley II, the whole nested slideway that is installed in the blackboard frame of pulley II, be combined into the bascule of blackboard II slip shape in the blackboard frame, so easier solution is slided blackboard II in the blackboard frame technical problem.

The 3rd, owing to designed the fastening lower left corner that is installed in the blackboard frame of whole screw of motor in the technical scheme of multi-functional blackboard of the present utility model, be combined into the fixed structure of motor shape, so the technical problem that easier solution driven by motor pulley slides.

(4) description of drawings:

Accompanying drawing provides the structural representation of multi-functional blackboard of the present utility model:

Fig. 1: the overall structure schematic diagram that is multi-functional blackboard of the present utility model;

Fig. 2: the side broken section structural representation that is multi-functional blackboard of the present utility model;

The label declaration at each position in the schematic diagram:

1 blackboard frame, 2 pulley I, 3 blackboard eraser bar I, 4 blackboard I

5 blackboard II, 6 pulley II, 7 blackboard eraser bar II, 8 motors

(5) specific embodiment:

Below in conjunction with accompanying drawing, for realize solving automatic blackboard cleaning, the optimal way of the technical scheme that the technical problem that two blackboards are used alternatingly is taked is described further to multi-functional blackboard of the present utility model:

Its static structure: see also accompanying drawing: as shown in the figure, multi-functional blackboard of the present utility model mainly is made of blackboard frame 1, pulley I2, blackboard eraser bar I3, blackboard I4, blackboard II5, pulley II6, blackboard eraser bar II7, motor 8.Its major part pulley I2, pulley II6, motor 8 are selected for use by market.Its blackboard eraser bar I3, blackboard eraser bar II7 are elongate in shape, are material with the felt, through shearing processing and manufacturing.Its blackboard frame 1 is that the rear portion has flat board, on the rectangular shaped as frame shape of slideway is arranged, be material with timber, through the planing operation manufacturing.Its blackboard I4 is that rectangular both sides have slideway and bottom surface that the slide block shape is arranged, and is material with glass and timber, through shearing, grinding manufacturing.

In shape, structure and combination thereof, the total essential features of multi-functional blackboard of the present utility model and immediate prior art is: the both sides slideway of blackboard frame 1 embeds the slide block that is installed in blackboard I4, the back side of blackboard I4 is bonded in the integral body of blackboard eraser bar II7, be combined into the common bascule that slides the blackboard shape, function has been that blackboard I is slided, the erase the board effect of II of blackboard eraser bar II.In shape, structure and combination thereof, the multi-functional blackboard of the present utility model technical characterictic different with immediate prior art is: two side shafts of blackboard eraser bar I3 are connected the inside of pulley I2, the integral body of pulley I2 embeds and is installed in the slideway of blackboard II5, be combined into the slidably bascule of shape of blackboard eraser bar I, function has been the effect of I of erasing the board of sliding.The back side, the both sides axle of blackboard II5 is connected the inside of pulley II6, and the whole nested slideway that is installed in blackboard frame 1 of pulley II6 is combined into the bascule of blackboard II slip shape in the blackboard frame, and function has been the effect that blackboard II is slided in the blackboard frame.The fastening lower left corner that is installed in blackboard frame 1 of the whole screw of motor 8 is combined into the fixed structure of motor shape, and function is that electrizer drives the effect that pulley slides.

Below by using method, further set forth the dynamic structure relation of the utility model multi-functional blackboard: in use, when needs erase the board I, according to electric principle, at first press the button, blackboard eraser bar I3 moves down then, comes and goes then blackboard I3 is wiped clean, thereby finish the task of the I that erases the board

In use, when needs erase the board II, according to electric principle, at first press the button, blackboard I3 moves down then, and blackboard eraser bar II7 wipes clean blackboard II5 then again, thereby finishes the task of the II that erases the board.So just realized that multi-functional blackboard of the present utility model solves automatic blackboard cleaning, the technical scheme of the technical problem that two blackboards are used alternatingly.

Realize that preferred plan of the present utility model is is material with felt, glass, timber, utilize the basic equipment of blackboard factory, take to produce by batch in a large number,, so just can realize the practical value and the economic worth of multi-functional blackboard of the present utility model better with the demand of supply educational circles.

Claims

1. multi-functional blackboard, it is to be made of blackboard frame (1), pulley I (2), blackboard eraser bar I (3), blackboard I (4), blackboard II (5), pulley II (6), blackboard eraser bar II (7), motor (8), the both sides slideway of its blackboard frame (1) embeds the slide block that is installed in blackboard I (4), the back side of blackboard I (4) is bonded in the integral body of blackboard eraser bar II (7), it is characterized in that: two side shafts of blackboard eraser bar I (3) are connected the inside of pulley I (2), and the integral body of pulley I (2) embeds and is installed in the slideway of blackboard II (5).The back side, the both sides axle of blackboard II (5) is connected the inside of pulley II (6), the whole nested slideway that is installed in blackboard frame (1) of pulley II (6), the fastening lower left corner that is installed in blackboard frame (1) of the whole screw of motor (8).