CN2422146Y

CN2422146Y - Dustless electric teaching blackboard

Info

Publication number: CN2422146Y
Application number: CN 00220204
Authority: CN
Inventors: 周新华
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-01
Filing date: 2000-05-01
Publication date: 2001-03-07
Anticipated expiration: 2010-05-01

Abstract

A dustless electric teaching blackboard belongs to a blackboard. Both ends of a keel of the blackboard are provided with bearings, wherein one of the bearings is connected with a motor, a flexible writing board is wrapped on the bearing, a blackboard eraser is arranged on the external surface of the flexible writing board, a decorating frame is connected to the front of the flexible writing board, and the display area in the decorating frame is the blackboard for a teacher to write the class record. The blackboard has simple structure; when the motor is rotated, the class record on the writing board can be automatically erased, and much class time can be saved; the recording of the perfect class record for students can be ensured, no dust flying exists when the blackboard is erased, and the teacher's and students' good health can be ensured.

Description

Dustless electronic blackboard for education

The utility model relates to a kind of blackboard, particularly a kind of dustless electronic blackboard for education.

At present, the blackboard that people used last class hour writes down content on class, fixing blackboard and Reelable blackboard are arranged, Reelable blackboard mostly is type of push and pull up down greatly, promptly two blackboards can move up and down along its track, but any blackboard all is to write class offerings on blackboard, because the area of blackboard is limited, again write again after needing to wipe after blackboard is write and expired, students also was difficult to class offerings is write down complete when the frequency of blackboard wiping was high sometimes, had not only wasted a large amount of time in classroom when erasing the board, the dust pollution that produces when erasing the board simultaneously, damaged the healthy of academics and students, teacher's teaching intensity is strengthened.

The purpose of this utility model is that a kind of dustless electronic blackboard for education wiping, no dust pollution that do not need will be provided.

The purpose of this utility model is achieved in that this blackboard has keel, and two ends of keel have bearing, and one of them bearing is connected with motor, is surrounded with flexible board on bearing, at the outer surface of flexible board blackboard eraser is arranged.

Blackboard eraser is positioned at two ends of two bearings, at the back side of blackboard one blackboard eraser is arranged also, and flexible board is connected with escutcheon in the write front of blackboard of flexibility between bearing and blackboard eraser.

Owing to adopted such scheme, adopt flexible board, after having write one section word on the flexible board, the Push switch motor rotates, the flexible board that will have class register drives to the other end, this section class register can temporarily be kept on the blackboard, behind the board process blackboard eraser that has class register, its content will be wiped automatically by blackboard eraser, not need the teacher to take time in classroom again and erase the board, saved time in classroom, teacher just can show students with a large amount of knowledge on blackboard like this, because blackboard eraser is to be hidden in the decorative panel back, does not just have dust from flying when erasing the board, the environment cleaning has reached the purpose of this utility model.This blackboard structure is simple, can wipe the class register on the board during rotating motor automatically, has saved a large amount of time in classroom, can also guarantee that the student writes down complete class register, does not have dust from flying during wiping, has guaranteed the healthy of Faculty and Students.

Be described further in conjunction with the embodiments with reference to the accompanying drawings below.

Accompanying drawing is a structure chart of the present utility model.

Embodiment: this blackboard has keel 4, two ends of keel 4 have bearing 2, one of them bearing 2 is connected with motor 5, on bearing 2, be surrounded with flexible board 6, outer surface at flexible board 6 has blackboard eraser 1, flexible board 6 is the black rubber plate, be connected with escutcheon 3 in the write front of blackboard of flexibility, the area of showing in escutcheon 3 is the blackboard that teacher writes class register, because this board can constantly be write at work, automatically wipe, make the area of this board become infinity.

Blackboard eraser 1 is positioned at two ends of two bearings 2, at the back of the body of blackboard one blackboard eraser 1 is arranged also, and flexible board 6 is between bearing 2 and blackboard eraser 1.

Claims

1, a kind of dustless electronic blackboard for education, it is characterized in that: this blackboard has keel, and two ends of keel have bearing, and one of them bearing is connected with motor, is surrounded with flexible board on bearing, at the outer surface of flexible board blackboard eraser is arranged.

2, dustless electronic blackboard for education according to claim 1, it is characterized in that: blackboard eraser is positioned at two ends of two bearings, also there is a blackboard eraser at the back side at blackboard, and flexible board is connected with escutcheon in the write front of blackboard of flexibility between bearing and blackboard eraser.