CN2700128Y

CN2700128Y - Novel blackboard eraser

Info

Publication number: CN2700128Y
Application number: CN 200420000038
Authority: CN
Inventors: 夏晨晖
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-05
Filing date: 2004-01-05
Publication date: 2005-05-18
Anticipated expiration: 2014-01-05

Abstract

The utility model relates to a novel blackboard eraser, belonging to the technique fields of the subgroup of writing or drawing auxiliary articles and chalk dust-absorbing apparatuses; the subclass of writing or drawing assistant articles in the printing subdivision of writing or drawing apparatuses and writing or drawing articles; the department of operation and transportation according to the International Patent Classification. The aim of the novel blackboard eraser is to solve the technical problems that the previous blackboard erasers are not easy to be held, chalk dust can fly when a blackboard is erased, and if not being shaken, the blackboard erasers can not erase the blackboard cleanly. The utility model mainly comprises a handle, a blackboard eraser surface, a blackboard eraser body, a thin plastic plate and a capacitor. The utility model is characterized in that the lower end of the handle is fixed to the lower end of a screw I whose lower end is fixed to the surface of the blackboard eraser surface; the lower end of a fan leaf is inserted into the center of the thin plastic plate and is fixed to the upper end of the capacitor. The novel blackboard eraser has wide application.

Description

Novel blackboard eraser

(1) technical field:

The utility model relates to novel blackboard eraser, divides by International Patent Classification (IPC) (IPC) to belong to operation; Department of Transportation, 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 the cleaning device of blackboard or slabstone has the technical field of the group of sucking chalk powder device.

(2) background technology:

At present, big group of existing and the cleaning device that once had about blackboard or slabstone, have the sucking chalk powder device group technology the demand of novel blackboard eraser was all done very fruitful effort, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by Wang Haining, Granted publication is CN2517591Y, China Patent No. (ZL) is: No. 01228599.5 utility model patent title is the utility model patent of " dust-free black board eraser ", the technical scheme that is adopted.Big group of the cleaning device of blackboard or slabstone, have the sucking chalk powder device group technical elements be a routine of great value invention, it has solved effectively and has reduced the technical problem that sucks pernicious gas content in the room air when erasing the board.But still have some deficits, blackboard eraser was difficult for arresting before it also was difficult to solve; Chalk dust flies upward when erasing the board; Wipe several not trembling down and will wipe unclean technical problem.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel blackboard eraser.Be difficult for arresting with blackboard eraser before solving; Chalk dust flies upward when erasing the board; Wipe several not trembling down and will wipe unclean technical problem.

The novel blackboard eraser that the new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that this utility model is mainly by handle, screw I, board wiper plane, blackboard eraser body, fan page or leaf, plastic board, capacitor, screw II, plank formation.

In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the lower end position of board wiper plane is pasted the upper end position that is connected the blackboard eraser body, be combined into the fixed structure of rectangular shape, function has been the effect that erases the board.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the lower end position of handle is fixedly mounted on the lower end position of screw I, the lower end position of screw I is fixedly mounted on the surface location of board wiper plane, be combined into the fixed structure of handle shapes, function has been to arrest the effect of blackboard eraser easily.The lower end position of fan page or leaf inserts the center that is installed in plastic board, and the lower end position of fan page or leaf is fixedly mounted on the upper end position of capacitor, is combined into the fixed structure of fan page or leaf shape, and function has been the effect of dust suction.Blackboard eraser is difficult for arresting so just to have realized solving in the past by novel blackboard eraser of the present utility model; Chalk dust flies upward when erasing the board; Several purposes that will wipe unclean technical problem of not trembling have down been wiped.

The beneficial effect of the novel blackboard eraser of utility model is that the utility model is that blackboard eraser is difficult for arresting before solving; Chalk dust flies upward when erasing the board; Wiped several not trembling down and will wipe big group of the unclean technical scheme that technical problem adopted and existing and the cleaning device that once had, had the technology of the group of sucking chalk powder device to compare three place's advantage and improvement about blackboard or slabstone:

First, because the lower end position that has designed handle in the technical scheme of novel blackboard eraser of the present utility model is fixedly mounted on the lower end position of screw I, the lower end position of screw I is fixedly mounted on the surface location of board wiper plane, be combined into the fixed structure of handle shapes, so the technical problem of blackboard eraser is arrested in easier solution easily.

Second, insert the center that is installed in plastic board owing to designed the lower end position of fan page or leaf in the technical scheme of novel blackboard eraser of the present utility model, the lower end position of fan page or leaf is fixedly mounted on the upper end position of capacitor, be combined into the fixed structure of fan page or leaf shape, so the technical problem of easier solution dust suction.

(4) description of drawings:

Accompanying drawing provides the structural representation of novel blackboard eraser of the present utility model:

Fig. 1: the overall structure schematic diagram that is novel blackboard eraser of the present utility model:

Fig. 2: the partial structurtes schematic diagram that is novel blackboard eraser of the present utility model:

The label declaration at each position in the schematic diagram:

1 handle, 2 screw I, 3 board wiper planes, 4 blackboard eraser bodies, 5 fan pages or leaves

6 plastic boards, 7 capacitors, 8 screw II, 9 planks

(5) specific embodiment:

Below in conjunction with accompanying drawing, blackboard eraser is difficult for arresting in order to realize solving in the past to novel blackboard eraser of the present utility model; Chalk dust flies upward when erasing the board; Having wiped several optimal ways that will wipe the technical scheme that unclean technical problem takes of not trembling down is described further:

Its static structure: please join accompanying drawing: as shown in the figure, novel blackboard eraser of the present utility model mainly is made of handle 1, screw I2, board wiper plane 3, blackboard eraser body 4, fan page or leaf 5, plastic board 6, capacitor 7, screw II8, plank 9.Its major part screw I2, screw II8, fan page or leaf 5, plank 9 are selected for use by market.Its handle 1 is a rectangular shape, is material with plastics, through the cold forming processing and manufacturing.Its blackboard eraser body 4 is rectangular shape, is material with netted ventilative soft cloth, through sewing up processing and manufacturing.Its board wiper plane 3 is rectangular shape, is material with timber, wears into the type processing and manufacturing through digging.

In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the lower end position of board wiper plane 3 is pasted the upper end position that is connected blackboard eraser body 4, be combined into the fixed structure of rectangular shape, function has been the effect that erases the board.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the lower end position of handle 1 is fixedly mounted on the lower end position of screw I2, the lower end position of screw I2 is fixedly mounted on the surface location of board wiper plane 3, be combined into the fixed structure of handle shapes, function has been to arrest the effect of blackboard eraser easily.The lower end position of fan page or leaf 5 inserts the center that is installed in plastic board 6, and the lower end position of fan page or leaf 5 is fixedly mounted on the upper end position of capacitor 7, is combined into the fixed structure of fan page or leaf shape, and function has been the effect of dust suction.

Below by using method, further set forth the dynamic structure relation of this practical novel blackboard eraser: in use, when needs erase the board, according to motion principle, at first hold handle 1, wipe examination with blackboard eraser body 4 then, thereby finish cleaning off a blackboard continuously simply of task.

In use, in the time of the needs dust suction, according to physical principle, at first capacitor 7 drives 5 rotations of fan page or leaf, and dust sucks then, thereby finishes the task of dust suction.Blackboard eraser is difficult for arresting so just to have realized solving in the past by novel blackboard eraser of the present utility model; Chalk dust flies upward when erasing the board; Wipe several not trembling down and will wipe unclean technical problem purpose.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of blackboard eraser factory, take to produce by batch in a large number,, so just can realize the practical value and the economic worth of novel blackboard eraser of the present utility model better with the demand of supply student circle.

Claims

1. novel blackboard eraser, it is to be made of handle (1), screw I (2), board wiper plane (3), blackboard eraser body (4), fan page or leaf (5), plastic board (6), capacitor (7), screw II (8), plank (9), the lower end position of its board wiper plane (3) is pasted the upper end position that is connected blackboard eraser body (4), it is characterized in that: the lower end position of handle (1) is fixedly mounted on the lower end position of screw I (2), and the lower end position of screw I (2) is fixedly mounted on the surface location of board wiper plane (3).

2. novel blackboard eraser according to claim 1 is characterized in that: the lower end position of fan page or leaf (5) inserts the center that is installed in plastic board (6), and the lower end position of fan page or leaf (5) is fixedly mounted on the upper end position of capacitor (7).