CN201604442U

CN201604442U - Novel dustless blackboard eraser

Info

Publication number: CN201604442U
Application number: CN2010201059762U
Authority: CN
Inventors: 张永余
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-02
Filing date: 2010-02-02
Publication date: 2010-10-13
Anticipated expiration: 2020-02-02

Abstract

The utility model provides a novel dustless blackboard eraser belonging to the field of teaching tools. The novel dustless blackboard eraser comprises an eraser body, a handle, dust absorbing material and a supporting plate, wherein the eraser body is arranged into a hollow shape of which one side is opened, and the upper side is arranged into an outer arc shape; the handle is arranged in a cavity of the eraser body; the supporting plate is arranged into a shape of a Chinese character of 'kou' to be sheathed at the lower end of the eraser body; and the dust absorbing material is arranged on the outer surface of the supporting plate. Compared with the prior art, the structure is simple, and the use is convenient; only the supporting plate coated with the dust absorbing material is sheathed at the lower end of the eraser body, and then, dust can be absorbed by the dust absorbing material in a blackboard erasing process; a user puts one hand into the cavity of the eraser body to clasp the handle to erase the blackboard, which not only saves labor, but also enables the hand clean and health; the novel dustless blackboard eraser is convenient to disassemble, and is favorable to clean; the economy and the cost are low; and any additional source does not need to realize a work for absorbing dust.

Description

The new no-dust blackboard eraser

1, technical field

The utility model relates to the teaching aid technical field, specifically a kind of new no-dust blackboard eraser.

2, background technology

Existing blackboard eraser generally all is without any dustproof and dust suction parts, in the process that erases the board, chalk dust can spread in the air along with bristle, user's hand also can fall to going up a large amount of chalk dusts, use for a long time, can adverse influence be arranged to health, show according to partly investigation data of the whole nation, the sick rate of teaching profession is the trend that rises year by year, occupational disease presents diversified direction and develops, wherein the pneumoconiosis that causes of dust and various acute and chronic breathing problem are that China is main in the occupational disease at present, endanger the most serious and the most a kind of, so how the harm with chalk dust drops to minimum, in the process that erases the board, dust is taken away, be numerous academics and students' common heartfelt wishes.

3, summary of the invention

The utility model is at above-mentioned the deficiencies in the prior art, and a kind of new no-dust blackboard eraser is provided.

New no-dust blackboard eraser of the present utility model is realized in the following manner, structure comprises blackboard eraser body, handle, dust suction material and gripper shoe, wherein the blackboard eraser body is arranged to the hollow form of a side opening, and upper side is set to outer camber, handle is arranged on the cavity inside of blackboard eraser body, gripper shoe is arranged to " mouth " word shape ring set in the lower end of blackboard eraser body, and the dust suction material is arranged on the outer surface of gripper shoe.

The bristle of blackboard eraser body exposes the lower surface of gripper shoe.

The dust suction material is made by cotton, nylon blended yarn weaved fabric.

The utility model is compared with prior art, has following outstanding beneficial effect:

(1) simple in structure, easy to use, only need to be coated with the lower end of the bracing frame ring set of dust suction material at blackboard eraser, both can be implemented in that dust is held by the dust suction material in the process that erases the board, the user places hand in the cavity of rub body, catch the handle blackboard wiping, not only laborsaving, and make the hand clean hygiene.

(2) convenient disassembly, be beneficial to cleaning, economy, behind a large amount of dust of dust suction material absorption, sorbing material can be taken off and clean up, cost is low, the work that can realize adsorbing dust without any need for additional resource.

4, description of drawings

Fig. 1 looks perspective view for the master of new no-dust blackboard eraser;

Fig. 2 is the perspective view of looking up of new no-dust blackboard eraser.

Description of reference numerals: 1, blackboard eraser body, 2, handle, 3, the dust suction material, 4, bristle, 5, gripper shoe.

5, the specific embodiment

Explain below with reference to Figure of description new no-dust blackboard eraser of the present utility model being done.

As shown in Figure 1 and Figure 2, new no-dust wiping blackboard structure of the present utility model comprises blackboard eraser body 1, handle 2, dust suction material 3 and gripper shoe 5, wherein blackboard eraser body 1 is arranged to the hollow form of a side opening, and upper side is set to outer camber, handle 2 is arranged on the cavity inside of blackboard eraser body 1, gripper shoe 5 is arranged to " mouth " word shape ring set in the lower end of blackboard eraser body 1, and dust suction material 3 is arranged on the outer surface of gripper shoe 5, and dust suction material 3 is made by cotton, nylon blended yarn weaved fabric.

Gripper shoe 5 can according to circumstances be adjusted and change the height that is enclosed within on the blackboard eraser body 1, exposes the lower surface of gripper shoe 5 as long as can guarantee the bristle 4 of blackboard eraser body 1, both can realize the purpose of blackboard wiping.

The concrete using method of new no-dust blackboard eraser of the present utility model is as follows:

The user is when using blackboard eraser of the present utility model, only need dust suction material 3 ring sets with " mouth " word shape at the lower end of blackboard eraser body 1 bristle 4 places, but guarantee that bristle 4 exposes dust suction material 3, in the process of blackboard wiping, handle 2 is placed the cavity of blackboard eraser body 1, and hold handle 2, chalk dust is in the process of wiping, can drop on bristle 4 dust suction material 3 on every side, teacher's air cleaner and user's hand clean hygiene have finally been guaranteed, after long-time the use, dust suction material 3 is taken off cleaning get final product.

Except that the described technical characterictic of specification, be the known technology of those skilled in the art.

Claims

1. new no-dust blackboard eraser, it is characterized in that comprising blackboard eraser body, handle, dust suction material and gripper shoe, wherein the blackboard eraser body is arranged to the hollow form of a side opening, and upper side is set to outer camber, handle is arranged on the cavity inside of blackboard eraser body, gripper shoe is arranged to " mouth " word shape ring set in the lower end of blackboard eraser body, and the dust suction material is arranged on the outer surface of gripper shoe.

2. new no-dust blackboard eraser according to claim 1 is characterized in that the bristle of blackboard eraser body exposes the lower surface of gripper shoe.

3. new no-dust blackboard eraser according to claim 1 is characterized in that the dust suction material made by cotton, nylon blended yarn weaved fabric.