CN2202650Y

CN2202650Y - Blackboard eraser

Info

Publication number: CN2202650Y
Application number: CN 94214058
Authority: CN
Inventors: 梁开卷
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-10
Filing date: 1994-06-10
Publication date: 1995-07-05
Anticipated expiration: 2004-06-10

Abstract

The utility model relates to a blackboard brush. The other face of the blackboard brush is embedded with vertical hair 4 of which the periphery is sheathed with a rubber ring 1. Dust can not be attached to the blackboard brush when a blackboard is brushed by using the blackboard brush, and the rubber ring can prevent dust from outwards flying and concentrating. The utility model solves the problems that dust flies everywhere when the blackboard is brushed by using the existing blackboard brush, and the blackboard brush is easily stained with chalk dust which is difficult to remove.

Description

Blackboard eraser

The utility model is a kind of blackboard brush.Large, medium and small of China at present is employed mostly to be glass or even the wooden blackboard of writing with chalk, during with existing blackboard brush erasing blackboard, there are two problems: the one, chalk dust flies upward everywhere, easily by in people's suction body, be unfavorable for health, the 2nd, after blackboard brush is stained with ash, want with ash clear out be pretty troublesome, very the effort.

Certainly, present employed blank does not have the problems referred to above at all, but the price of blank and blank pen is too high, also is difficult to popularize in China.The blackboards that somebody's invention is made with canvas etc. also can't be popularized for various reasons.

The purpose of this utility model is to provide a kind of blackboard brush, and it both can be clean with blackboard brush, can avoid dust to fly upward substantially everywhere again, and it also is not stained with ash.

The utility model is achieved in that a kind of blackboard brush, and a pedestal is arranged, and it simultaneously is embedded with vertical hair, another side accompanies block hair, and the outer vertical hair side of pedestal is with an elastic tape.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the half sectional view of the utility model most preferred embodiment;

Fig. 2 is the vertical view of the utility model most preferred embodiment;

Be further described below in conjunction with most preferred embodiment shown in the drawings.

As shown in Figure 1, vertical hair is to be stained with ash, the periphery of vertical hair 4 is with an elastic tape 1, elastic tape 1 is less than pedestal 3, so can form a concavity structure 5, not only can stop dust to be raised outward but also can collect ash, when removing erasing blackboard with the side that vertical hair 4 is arranged like this, chalk dust can be focused on the concavity part 5 of elastic tape 1, like this as long as after brushing for a moment ash is poured out, just not only can be totally but also can avoid dust to fly upward preferably everywhere with blackboard brush, with the one side that block hair 2 is arranged the seal of the chalk dust on the blackboard is wiped clean again at last.

Claims

1, a kind of blackboard brush is characterized in that: a pedestal (3), and it simultaneously is embedded with vertical hair (4), another side accompanies block hair (2), and the outer vertical hair side of pedestal is with an elastic tape (1).

2, by the described blackboard brush of claim 1, it is characterized in that: elastic tape (1) is slightly smaller than pedestal (3), forms a concavity structure (5).