CN2542456Y

CN2542456Y - New blackboard

Info

Publication number: CN2542456Y
Application number: CN 02211877
Authority: CN
Inventors: 王昕荟
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-23
Filing date: 2002-05-23
Publication date: 2003-04-02
Anticipated expiration: 2012-05-23

Abstract

The utility model which relates to a new blackboard belongs to a technology field of an operation transportation department, a printing subsection, a writing or drawing apparatus, an office article large class, a writing or drawing article, a writing or drawing aided article small class, a repeatable writing or drawing plate or a small plate large group and a blackboard small group according to the division of the international patent classification (IPC); the aim of the utility mode is to overcome the former problems that many chalk ashes fall when the blackboard is cleaned, and the utility model which comprises a support axis, a gear leather belt, a board surface, a rotary axis, a motor, a voltage direction converter, a wire and a sponge board wiper is characterized in that the gear leather belt which is connected between the supporting axis and the rotary is arranged at the upper and the lower sides of the board surface respectively, and the upper and the lower ends of the sponge board wiper are gluedly arranged at the internal side of the gear leather belt. The best way to realize the proposal is that the wood is chosen as the material and the basic equipment of the blackboard factory is used, and the batch production is adopted to provide needs of the teaching circle, and the practical and the economic value of the new blackboard can be realized.

Description

New type blackboard

(1) technical field:

The utility model relates to new type blackboard, divides by International Patent Classification (IPC) (IPC) to belong to operation Department of Transportation, and printing branch is write or drawing appliance; The big class of office appliance is write or drawing article, the assistant product group of writing or draw, big group of reusable plate of writing or drawing or tablet, the little technical group field of blackboard.

(2) background technology:

At present, existing and once had about big group of the reusable plate of writing or drawing or tablet, the technology of blackboard group was all done very fruitful effort to the demand of new type blackboard, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China in 1996 by Pu Yuandong, Granted publication number is CN2220368Y, China Patent No. (ZL) is: No. 95241717.0 utility model title is the utility model patent of " electronic rotation bar shaped blackboard ", the technical scheme that is adopted.Big group of the reusable plate of writing or drawing or tablet, blackboard group technical elements is a routine of great value invention, and it has solved the problem of electronic rotation bar shaped blackboard effectively.But still have some deficits, have the problem of a lot of chalk dusts when erasing the board before it also is difficult to solve.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of new type blackboard.Had the problem of a lot of chalk dusts when erasing the board in the past to solve.

The new type blackboard that the technical scheme that the technical problems to be solved in the utility model adopted is achieved in that this utility model mainly by: back shaft, tooth bar belt, plate face, rotating shaft, motor, voltage diverter, electric wire, sponge blackboard eraser constitute.Its major part voltage diverter, electric wire, tooth bar belt, back shaft are selected for use by market.Its plate face is a rectangular shape, uses leather substance, through the cutting processing and manufacturing.Its rotating shaft is a cylindrical shape, uses the steel material, through rolling processing and manufacturing.

In shape, textural, the total essential features of new type blackboard of the present utility model and immediate prior art is: motor screw is fastened on the wall of plate face lower left, and function has been to produce dynamic action.Rotating shaft closely cooperates and is installed on the telescopic shaft of motor, constitutes a bodily form structure, and function has been the power transmission effect.Voltage diverter screw is installed on the position of the lower surface of motor, is electrically connected between motor, voltage diverter, the electric wire.In shape, textural, the new type blackboard of the present utility model technical characterictic different with immediate prior art is: the tooth bar belt is connected between back shaft and the rotating shaft and divides the both sides up and down that occupy the plate face, and the sponge blackboard eraser is bonding vertically installs the technical problem purpose that has a lot of chalk dusts when tooth bar belt inner side has so just been realized erasing the board before the separating of new type blackboard of the present utility model in two ends up and down with it.

The beneficial effect of the new type blackboard of utility model be the utility model be solution have when erasing the board in the past a lot of chalk dusts the technical scheme that technical problem adopted and existing and once had about big group of the reusable plate of writing or drawing or tablet, the technology of blackboard group has been compared two place's advantage and improvement:

The first, owing to designed electric device in the technical scheme of new type blackboard of the present utility model,, easier solution erases the board so having saved manpower, realize the technical problem of automation.

The second, owing to designed the sponge blackboard eraser in the technical scheme of new type blackboard of the present utility model, easier solution reduces the technical problem of chalk dust.

(4) description of drawings:

Accompanying drawing provides the structural representation of new type blackboard of the present utility model:

Fig. 1: the Facad structure schematic diagram that is new type blackboard of the present utility model:

The label declaration of parts in the schematic diagram: 1 back shaft, 2 tooth bar belts, 3 plate faces, 4 rotating shafts, 5 motors, 6 voltage diverters, 7 electric wires, 8 sponge blackboard erasers

(5) specific embodiment:

Below in conjunction with accompanying drawing, be that the optimal way that has the technical scheme that the technical problem of a lot of chalk dusts takes when erasing the board before realization solves is described further to new type blackboard of the present utility model:

Its static structure: see also Fig. 1: as shown in the figure, new type blackboard of the present utility model mainly is made of back shaft 1, tooth bar belt 2, plate face 3, rotating shaft 4, motor 5, voltage diverter 6, electric wire 7, sponge blackboard eraser 8.Its major part voltage diverter 6, electric wire 7, tooth bar belt 2, back shaft 1 are selected for use by market.Its plate face 3 is rectangular shapes, uses leather substance, through the cutting processing and manufacturing.Its rotating shaft 4 is cylindrical shapes, uses the steel material, through rolling processing and manufacturing.

In shape, textural, the total essential features of new type blackboard of the present utility model and immediate prior art is: the right side that back shaft 1 screw is installed in plate face 3 is two jiaos position up and down, constitutes integrative-structure, and function has been the effect of support tooth bar belt.Motor 5 screws are fastened on the wall of plate face 3 lower lefts, and function has been to produce dynamic action.Rotating shaft 4 closely cooperates and is installed on the telescopic shaft of motor 5, constitutes integrative-structure, and function has been the power transmission effect.Voltage diverter 6 screws are installed on the position of the lower surface of motor 5, are electrically connected between motor 5, voltage diverter 6, the electric wire 7.In shape, textural, the new type blackboard of the present utility model technical characterictic different with immediate prior art is: tooth bar belt 2 is connected between back shaft 1 and the rotating shaft 4 and divides the both sides up and down that occupy plate face 3, and sponge blackboard eraser 8 is bonding vertically installs tooth bar belt 2 inner sides in two ends up and down with it.

Its dynamic structure: in the optimal way of implementing, in use, when erasing the board, motor 5 rotates, and drives rotating shaft 4, makes tooth bar belt 6 with changeing.According to mechanics principle, its blackboard eraser 8 acts on plate face 3 by sponge brush 7, thereby finishes the task of wiping ash.Have the purpose of a lot of chalk dusts during former the erasing the board of so just having realized new type blackboard of the present utility model.

Realize that preferred plan of the present utility model is is material with 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 new type blackboard of the present utility model better with the demand on supply teaching circle.

Claims

1. new type blackboard, it is by back shaft (1), tooth bar belt (2), plate face (3), rotating shaft (4), motor (5), voltage diverter (6), electric wire (7), sponge blackboard eraser (8) constitutes, in shape, the total essential features of textural the utility model and immediate prior art is two jiaos the position up and down, right side that back shaft (1) screw is installed in plate face (3), motor (5) screw is fastened on the wall of plate face (3) lower left, rotating shaft (4) closely cooperates and is installed on the telescopic shaft of motor (5), voltage diverter (6) screw is installed on the position of the lower surface of motor (5), motor (5), voltage diverter (6), be electrically connected between the electric wire (7), the utility model is in shape, textural, be different from it is characterized in that of immediate prior art: tooth bar belt (2) is connected between back shaft (1) and the rotating shaft (4) and divides the both sides up and down that occupy plate face (3).

2. new type blackboard according to claim 1 is characterized in that sponge blackboard eraser (8) is bonding it is up and down vertically installed tooth bar belt (2) inner side in two ends.