CN201033325Y - Chalk eraser dust collector - Google Patents

Abstract

The utility model discloses a dust removing and collecting device for a chalkboard eraser, which comprises a casing with a gate, and is characterized in that a small hole is opened on the upper part of the casing; a handle passes through the small hole; the lower part of the handle is connected with a gripper of a chalkboard eraser; a metal fine mesh is fixed at the central of the casing; a chalk ash box is arranged at the bottom of the casing. The utility model has the advantages that: the dust removing effect of the chalkboard eraser is better, and the recovery rate of chalk ash is higher; by adopting complete sealing dust removing method, the utility model is favorable to environment protection with higher recovery rate; a small box is arranged at the bottom of the utility model to facilitate the cleaning of the recovered chalk ash; by shaking dust off the eraser with a handle, the harm to hands is greatly lessened; the utility model also has the advantages of simple structure, low cost, better dust removing effect, high recovery rate and convenience for popularization.

Description

Chalkboard eraser dedusting gatherer

Technical field

The utility model relates to a kind of matching product of educational aid, is a kind of chalk dust of removing on the blackboard eraser specifically, collects the gatherer of the chalk dust that removes simultaneously.

Background technology

In the daily teaching process, teacher's writing on the blackboard generally uses chalk to write.Use chalk, an inevitable problem erases the board with blackboard eraser exactly.And a defective of blackboard eraser is that chalk dust is saturated easily, if can not get clearing up timely, will influence the result of use of blackboard eraser, makes the blackboard wiping unclean, influences student's study.And at present, the way of removing chalk dust on the blackboard eraser in a lot of schools is directly to pat blackboard eraser on the wall or on the ground.Like this, not only remove the poor effect of chalk dust, and chalk dust is flown upward all over the sky, swim in the air, pollute local environment, teachers and students suck these dust can be unhealthful.In addition, which chalkboard eraser photographed, and which chalk dust stays, and influenced attractive in appearance.Simultaneously, chalk dust also can not get collecting, and can't utilize again.

Summary of the invention

The purpose of this utility model provides a kind of novel chalkboard eraser dedusting gatherer, can effectively remove the chalk dust on the blackboard eraser, prevents flying upward all over the sky of dust.Simultaneously, collect discarded chalk dust, utilize again.

The utility model solves the problems of the technologies described above the technical scheme that is adopted:

A kind of chalkboard eraser dedusting gatherer, the housing that comprises a strap brake door, it is characterized in that: open an aperture on the top of described housing, one handle passes described aperture, the bottom of handle connects the chalkboard eraser clamper, a filament net is fixed at the middle part of housing, and a chalk dust box is placed in the bottom of housing.

For optimizing technique scheme, the measure that the utility model is taked also comprises:

Described housing is a transparent plastic box body.

The utility model has the advantages that: the dust removing effects of (1) blackboard eraser is good, the rate of recovery height of chalk dust.(2) the utility model takes to seal fully dedusting, more environmental protection, and the rate of recovery is higher.(3) etui is arranged at the utility model bottom, makes the chalk dust of recovery be easier to cleaning.(4) by the dust of handle bat blackboard eraser, reduced adversary's pollution.(5) the utility model simple structure is with low cost, and dust removing effects is good, and rate of recovery height is easy to promote.

Description of drawings

Fig. 1 is the cross-sectional view of the utility model embodiment;

Fig. 2 is the side sectional structure schematic diagram of the utility model embodiment;

Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

With reference to accompanying drawing, the utility model mainly comprises the transparent plastic housing 1 of the sealing of a strap brake door 4.Open an aperture 7 on the top of housing 1, make handle 3 pass aperture 7.The bottom of handle 3 connects chalkboard eraser clamper 2.The middle part bonding of housing 1 is fixed a filament net 5 or directly is through formation filament net on the housing 1 with wire.A chalk dust box 6 is placed in the bottom of housing 1.

At ordinary times, the utility model is the time spent not, closes upper lock gate 4, avoids chalk dust to fly out.During use, draw back gate 4, chalkboard eraser is fixed in the groove of chalkboard eraser clamper 2.The gate 4 that closes again moves up and down handle 3, and chalk dust on the chalkboard eraser is beated in the chalk dust box 6.Chalkboard eraser takes out chalkboard eraser after patting dry only.After chalk dust is filled chalk dust box 6, can take out chalk dust box 6 by gate 4 and remove chalk dust.

Claims (2)

1. chalkboard eraser dedusting gatherer, the housing (1) that comprises a strap brake door (4), it is characterized in that: open an aperture (7) on the top of described housing (1), one handle (3) passes described aperture (7), the bottom of handle (3) connects chalkboard eraser clamper (2), a filament net (5) is fixed at the middle part of housing (1), and a chalk dust box (6) is placed in the bottom of housing (1).

2. chalkboard eraser dedusting gatherer according to claim 1 is characterized in that: described housing (1) is a transparent plastic box body.

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