CN202923236U - Safety blackboard eraser - Google Patents

Abstract

The utility model relates to a safety blackboard eraser, belongs to a teaching aid, and mainly solves the problems that a conventional blackboard eraser is low in safety and easily falls off from a hand when used. The safety blackboard eraser structurally comprises a base, an interlayer and widened felt wiping cloth, wherein an arc-shaped handle is arranged in the middle of the surface of the base and welded on the base. By the adoption of the handle on the base of the blackboard eraser, the phenomenon of fall-off of the blackboard eraser from the hand due to overexertion when used can be prevented, an occupation space is reduced. By the adoption of the widened felt wiping cloth, raised dust during the erasure of a blackboard can be reduced. The blackboard is erased by using the blackboard eraser, and chalk dust cannot be raised, so the pollution of the dust to classroom environment is avoided, and the physical health of a teacher and students is facilitated. Compared with the prior art, the safety blackboard eraser is multifunctional, sanitary, environment friendly, time-saving, labor-saving, easy to manufacture, convenient to use and the like, and is a novel blackboard eraser with a practical value.

Description

A kind of safe blackboard eraser

Technical field

The utility model relates to educational aid, particularly a kind of safe blackboard eraser.

Background technology

At present; the blackboard eraser that school adopts is normal style: inlay a body brush on the rectangle plank; when erasing the board; chalk dust flies upward everywhere; not only damage the healthy of teacher and classmate; same contaminated environment; nonetheless; a lot of blackboard erasers chalk trace on blackboard of also can only erasing; blackboard eraser does not have handle; often can make blackboard eraser break away from hand and fly out because exert oneself excessive when erasing the board, break blackboard eraser, when serious, the larger inertia of blackboard eraser also can smash other article or injure the people.

The utility model content

The purpose of this utility model is to overcome the shortcoming that exists in prior art, provide a kind of simple in structure, pick and place conveniently, prevent the safe blackboard eraser that drops.

To achieve these goals, the utility model provides a kind of safe blackboard eraser, comprises base, interlayer and widens the felt wiper, it is characterized in that, the middle part, surface of described base is provided with the handle of an arc, and described handle is welded on base.

Preferably, described handle is made of plastics.

Beneficial effect

The utility model outstanding advantages is: the handle of blackboard eraser of the present utility model on base, exert oneself excessive in the time of both can preventing from using and situation that blackboard eraser is slipped out of the hand drop reduces again taking up room.The felt wiper of widening can reduce the dust that flies up when erasing the board, and uses this blackboard eraser blackboard wiping with regard to not kicking up chalk dust, has avoided the pollution of dust to classroom environment, is conducive to the healthy of academics and students.Compared with prior art, the utlity model has the characteristics such as function is many, hygienic environment-protecting, time saving and energy saving, making is simple and easy to use, is a kind of novel blackboard eraser with practical value.

Description of drawings

Fig. 1 is the overall structure front view of the utility model embodiment.

The specific embodiment

The safe blackboard eraser that embodiment of the present utility model is related comprises base 2, interlayer 3 and widens felt wiper 4, and the middle part, surface of described base 2 is provided with the handle 1 of an arc, and described handle 1 is welded on base 2.

The handle of blackboard eraser of the present utility model on base exerted oneself excessive in the time of both can preventing from using and situation that blackboard eraser is slipped out of the hand drop reduces again taking up room.The felt wiper of widening can reduce the dust that flies up when erasing the board, and uses this blackboard eraser blackboard wiping with regard to not kicking up chalk dust, has avoided the pollution of dust to classroom environment, is conducive to the healthy of academics and students.Compared with prior art, the utlity model has the characteristics such as function is many, hygienic environment-protecting, time saving and energy saving, making is simple and easy to use, is a kind of novel blackboard eraser with practical value.

It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (2)

1. a safe blackboard eraser, comprise base, interlayer and widen the felt wiper, it is characterized in that, the middle part, surface of described base is provided with the handle of an arc, and described handle is welded on base.

2. safe blackboard eraser according to claim 1, is characterized in that, described handle is made of plastics.