CN200939775Y - Dust-less eraser - Google Patents

Abstract

The utility model relates to a blackboard eraser technologic area, in particular to a dust-free blackboard eraser. Most of the prior blackboard erasers have no dust-removing function, the dust is flying and directly affects the health of the students and teachers when the blackboard is erasing. The technical proposal of the utility model is that the blackboard is composed of a housing, a ring-type rolling and erasing member, a rotary axis, a supporting wand, a dust-scraping member and a dust-collecting box. The rotary axis and the supporting wand are arranged in the grooves at two sides of the housing. The ring-type rolling and erasing member is positioned around the rotary axis and the supporting wand. The dust-collecting box is arranged in the middle of the housing. The upper edges of the dust-collecting box are provided with the dust-scraping member. The dust-scraping member is contacted with the ring-type rolling and erasing member when the dust-collecting box is sealed. The utility model is applicable to all the occasions where the blackboard is used.

Description

Dustless eraser

One, technical field

The utility model relates to the blackboard eraser technical field, specifically a kind of Dustless eraser.

Two, background technology

Existing blackboard eraser does not have the dust removal function mostly, and dust from flying when erasing the board directly has influence on the healthy of student and teacher.

Three, summary of the invention

The utility model is to want to provide a kind of Dustless eraser, can effectively remove dust, prevents dust from flying.

The technical solution of the utility model is that blackboard eraser is made up of housing, ring-like rolling wiping sheet, turning cylinder, support stick, dust blowing sheet, collection box.Turning cylinder and support stick are assemblied in the groove of both sides in the housing, and ring-like rolling is wiped sheet and is assemblied in around turning cylinder and the support stick, are equipped with the collection box in the central authorities of housing, and the upper edge of collecting the box mouth is the dust blowing sheet; The dust blowing sheet is wiped sheet with ring-like rolling and is contacted when collecting the box sealing.

The utility model has the advantages that and can collect dust effectively, reduce air pollution, product structure is simple, and cost of manufacture is low.

Four, Figure of description

Fig. 1 is a front view of the present utility model

Fig. 2 is the upward view of Fig. 1

Five, the specific embodiment

From Fig. 1 and Fig. 2 as can be known, blackboard eraser of the present utility model is wiped sheet 2, turning cylinder 6, support stick 5, dust blowing sheet 3, is collected box 4 and form by housing 1, ring-like rolling.Turning cylinder 6 and support stick 5 are assemblied in the groove of both sides in the housing 1, and ring-like rolling is wiped sheet 2 and is assemblied in around turning cylinder 6 and the support stick 5, are equipped with in the central authorities of housing 1 and collect box 4, and the upper edge of collecting box mouth 4 is a dust blowing sheet 3; Dust blowing sheet 3 is wiped sheet 2 with ring-like rolling and is contacted when collecting box 4 sealings.It is foam rubbery material that sheet 2 is wiped in ring-like rolling.

During use, when the blackboard eraser transverse movement, ring-like rolling is wiped sheet 2 and is not moved, when the blackboard eraser lengthwise movement, ring-like rolling is wiped sheet 2 and is moved, when ring-like rolling wipe the mobile direction of sheet 2 (collecting the box mouth) and collection box mouth when opposite, the dust that ring-like rolling is wiped on the sheet 2 is scraped in the collection box 4 by the dust blowing sheet, when the dust in collecting box is full, will collects box and open, remove clean.

Claims (2)

1, a kind of Dustless eraser is characterized by: this blackboard eraser is made up of housing, ring-like rolling wiping sheet, turning cylinder, support stick, dust blowing sheet, collection box; Turning cylinder and support stick are assemblied in the groove of both sides in the housing, and ring-like rolling is wiped sheet and is assemblied in around turning cylinder and the bolster, are equipped with the collection box in the central authorities of housing, and the upper edge of collecting the box mouth is the dust blowing sheet; The dust blowing sheet is wiped sheet with ring-like rolling and is contacted when collecting the box sealing.

2, a kind of Dustless eraser as claimed in claim 1, it is characterized by ring-like rolling wiping sheet is foam rubbery material.

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