CN2425791Y

CN2425791Y - Dust-sucktion blackboard eraser

Info

Publication number: CN2425791Y
Application number: CN 00239145
Authority: CN
Inventors: 刘天宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-15
Filing date: 2000-06-15
Publication date: 2001-04-04
Anticipated expiration: 2010-06-15

Abstract

The utility model relates to a dust-suction blackboard eraser, which belongs to the technical field of the group of blackboard or slate cleaning devices with chalk dust suction devices of the subclass of writing or drawing supplies and writing or drawing auxiliary supplies of the class of writing or drawing apparatuses and office supplies of the subsection of printing in the section of performing operations and transporting according to the international patent classification (IPC). The number is B43L21/02. The utility model is composed of a box body, a dust suction device, a connecting body, a felt pad and screws. The utility model is characterized in that the square felt pad is arranged on the square connecting body. The utility model is a dust-suction blackboard eraser with large practical value.

Description

Dust absorption blackboard eraser

The utility model relates to dust absorption blackboard eraser.(IPC) belongs to operation Department of Transportation by International Patent Classification (IPC), and printing branch is write or drawing appliance, the big class of office appliance, write or drawing article, the assistant product group of writing or draw has the blackboard of sucking chalk powder device or the cleaning device technical group field of slabstone.Be numbered B43L21/02.

At present, the technology about the cleaning device of blackboard that the sucking chalk powder device is arranged or slabstone existing and that once had was all done very fruitful effort to the demand of dust absorption blackboard eraser, also once designed many outstanding technical schemes.As being declared by Li Siyi of the Decree of Patent Office of China in 1996, Granted publication number is CN2241067Y, and China Patent No. (ZL) is: No. 95245058.5 utility model title is the utility model patent of " removing the dust blackboard eraser ", the technical scheme that is adopted.Cleaning device technical elements at blackboard that the sucking chalk powder device is arranged or slabstone is a routine of great value invention, and it has solved the problem of blackboard eraser except that dust effectively.But still have some deficits, when erasing the board before it also is difficult to solve, chalk dust flies upward everywhere, influences teachers and students' healthy problem.

The purpose of this utility model is to provide a kind of dust absorption blackboard eraser.When erasing the board in the past to solve, chalk dust flies upward everywhere, influences teachers and students' healthy problem.

The purpose of this utility model is achieved in that this utility model dust absorption blackboard eraser.Mainly constitute by box body, dust catcher, union body, felt pan, screw.Its major part dust catcher, screw are by selecting for use on the market.Its box body, union body are the square shapes, make material with plastics, through the Plastic Forming processing and manufacturing.Its felt pan is a square shape, makes material with the waterproof sponge, through the press process manufacturing.The connected body of its square shape adopts adhesive method to be installed on the box body of square shape.Form the connecting structure of a square shape.The felt pan of its square shape adopts adhesive method to be installed on the union body of square shape.Form the connecting structure of a square shape.The dust catcher of its cylindrical shape adopts adhesive method to be installed on the union body of square shape.Form the connecting structure of a square shape.The screw of its T shape shape adopts the thread connection method to be installed on the box body of square shape.Form the draw bail of a square shape.Its box body acts on union body by screw.Thereby make union body satisfy the requirement of assembling.Its dust catcher acts on box body by union body.Thereby make dust catcher finish the task of assembling.So just realized the purpose of this utility model.

The utility model has been compared three advantages and improvement with the original blackboard that the sucking chalk powder device is arranged or the cleaning device technology of slabstone;

The first, because the utility model has designed dust catcher in technical scheme, so solved the problem that can realize dust-absorbing function;

The second, because the utility model has designed felt pan in technical scheme, so solved the problem of erasable blackboard;

The 3rd, because the utility model has designed screw in technical scheme, connect fastening problem so solved.Thereby when erasing the board before just more effectively having solved, chalk dust flies upward everywhere, influences teachers and students' healthy problem.

Accompanying drawing provides structural representation of the present utility model:

Fig. 1 is the main TV structure schematic diagram of the utility model dust absorption blackboard eraser;

Fig. 2 is the side-looking structural representation of the utility model dust absorption blackboard eraser;

The numbering of parts explanation in the schematic diagram: 1 box body, 2 dust catchers, 3 union bodies, 4 felt pans, 5 screws

Below in conjunction with accompanying drawing, the utility model is described further:

As shown in the figure, the utility model dust absorption blackboard eraser.Mainly constitute by box body 1, dust catcher 2, union body 3, felt pan 4, screw 5.Its major part dust catcher 2, screw 5 are by selecting for use on the market.Its box body 1, union body 3 are square shapes, make material with plastics, through the Plastic Forming processing and manufacturing.Its felt pan 4 is square shapes, makes material with the waterproof sponge, through the press process manufacturing.The connected body 3 of its square shape adopts adhesive method to be installed on the box body 1 of square shape.Form the connecting structure of a square shape.The felt pan 4 of its square shape adopts adhesive method to be installed on the union body 3 of square shape.Form the connecting structure of a square shape.The dust catcher 2 of its cylindrical shape adopts adhesive method to be installed on the union body 3 of square shape.Form the connecting structure of a square shape.The screw 5 of its T shape shape adopts the thread connection method to be installed on the box body 1 of square shape.Form the draw bail of a square shape.Its box body 1 acts on union body 3 by screw 5.Thereby make union body 3 satisfy the requirement of assembling.Its dust catcher 2 acts on box body 1 by union body 3.Thereby make dust catcher 2 finish the task of assembling.So just realized the purpose of this utility model.Thereby when erasing the board before just having solved, chalk dust flies upward everywhere, influences teachers and students' healthy problem.

Below by embodiment, the utility model is done more detailed description:

Embodiment 1, in force, if when using the utility model, grasps box body 1, near blackboard, start dust catcher 2, with felt pan 4 close blackboard one sides, the work that erases the board, after chalk dust falls, sucked, thereby avoided four times unrest to fly to influence health by dust catcher 2.

Embodiment 2, in force, if when not using dust-absorbing function of the present utility model, then this blackboard eraser used as general blackboard eraser, after wiping is intact, the chalk dust on the felt pan 4 handled clean, keep well and put.Thereby just can realize the purpose of this utility model.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of plastic processing factory, take Plastic Forming to produce by batch, the demand with supply consumption circle so just can realize practical value of the present utility model and economic worth better.

Claims

1. dust absorption blackboard eraser, it is by box body (1), dust catcher (2), union body (3), felt pan (4), screw (5) constitute, the connected body (3) of its square shape is installed on the box body (1) of square shape, it is characterized in that the felt pan (4) of its square shape is installed on the union body (3) of square shape.

2. dust absorption blackboard eraser according to claim 1 is characterized in that the dust catcher (2) of its cylindrical shape is installed on the union body (3) of square shape.

3. dust absorption blackboard eraser according to claim 1 is characterized in that the screw (5) of its T shape shape is installed on the box body (1) of square shape.