CN2243398Y

CN2243398Y - Rolling dust collecting blackboard eraser

Info

Publication number: CN2243398Y
Application number: CN 95221145
Authority: CN
Inventors: 顾正武
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-08-30
Filing date: 1995-08-30
Publication date: 1996-12-25
Anticipated expiration: 2005-08-30

Abstract

The utility model relates to a roller type dust collecting blackboard brush, which is an appliance for brushing off chalk ash on a blackboard or brushing off dust. The utility model is mainly composed of a brush box (1) and a roller type brush (3), wherein, the roller type brush is mainly used for brushing off chalk dust, and dust absorbed on brush bristles can be carried into the brush box through rotation. The inner part of the brush box is provided with a dust scraper which can scrape off dust adsorbed on the brush so as to achieve the function of dust suction. When the dust is stored in a certain amount, the dust can be poured out by opening brush box doors (2) at both ends of the brush box. The utility model has the advantages of high dust suction efficiency and convenient manufacture.

Description

The drum-type dust-absorbing blackboard brush

The utility model is a kind of life appliance, be suitable for erasing the board in the education activities and live in brush dust dirt.

Teacher, student are when erasing the board, and often chalk dust flies away everywhere, pollute the classroom, are unfavorable for teacher student's health, and have many things and local dust catcher to be difficult to dust suction in the daily life; Therefore, the purpose of this utility model exactly for education activities and daily life provide a kind of band roller brush and can dust suction brush easily.

The purpose of this utility model is such this realization; The drum-type dust-absorbing blackboard brush mainly contains the drum-type brush and brush box constitutes.Promote the brush rolling during brush dust dirt and advance, brush brushes away dust in rolling, and just has been brought in the brush box along with brush rolls owing to the electrostatic adsorption dust is attracted on the bristle.There is a cockscomb on the inherent brush of brush box top, the top of the adjacent brush of scraper plate, and when the bristle of band dust passed through, dust was just scraped, and resides in the box.There is being the dust baffle plate at two ends with the brush joint portion in the box, thereby can being collected in box, deposits dust, and not along under the slit source of the junction of brush and box body.The dust collection is deposited certain the time, can open box body two ends wicket, pours out dust.

Compare with the normal blackboard brush, the utlity model has the characteristics that reduce the dust clean environment.

The utility model is provided by following examples and accompanying drawing thereof:

Fig. 1 is overall structure figure

Fig. 2 is an outside drawing

Describe concrete structure of the present utility model and working condition in detail below in conjunction with Fig. 1, Fig. 2.

The utility model has brush box (1), and the brush box door (2) at its two ends has drum-type brush (3) at the bottom of the brush box, and drum-type brush (3) is enclosed within on the drum shaft (4), and can rotate around drum shaft (4).Pushing away brush during brush dust dirt and rolling, just can brush away dust, be adsorbed on dust on the bristle simultaneously along with rolling is brought in the brush box (1) by drum-type brush (3).There is the dust scraper plate (5) of metal on drum-type brush (3) top in brush box (1).The bristle of the adjacent drum-type brush of dust scraper plate (5) (3), the dust that the bristle of band dust is glued when changing over to is just scraped off.Dust just is scattered in the brush box (1).Having dust baffle plate (6) can block the dust that falls with drum-type brush (3) junction in the brush box (1) does not fall from the slit, joint portion.The dust that falls just collection has stored away.Deposit certain the time, just can open brush box (1) two ends brush box doors (2) and pour out dust.

Preparation method: available timber of brush box (1) or iron sheet; The bristle of drum-type brush can be with poultry hair or plastics, and brush pot can be with timber or plastics; Dust scraper plate (5) is used metal.

Claims

1, the drum-type dust-absorbing blackboard brush, particularly brush the blackboard brush of chalk dust, it is characterized in that this brush has brush box (1), there is brush box door (2) at brush box (1) two ends, drum-type brush (3) is arranged under the brush box (1), on the resting barrel axle (4) under drum-type brush (3) is enclosed within the brush box (1), and can rotate around drum shaft (4), dust under drum-type brush (3) is brushed, be bonded on the bristle and brought in the box by rotation, and scraped by the dust scraper plate (5) in the brush box (1), the dust that scrapes descends slowly and lightly to collect in box and deposits, and by dust plate washer (6) is arranged in the brush box (1), collect the dust of depositing and just can not drop out.

2. device according to claim 1 is characterized in that having the brush of brush box (1).

3. device according to claim 1 is characterized in that there is brush box door (2) at brush box (1) two ends.

4. according to the described device of claim 1, it is characterized in that drum-type brush (3) is arranged under the brush box.

5. according to the described device of claim 1, it is characterized in that on the resting barrel axle (4) of drum-type brush (3) under can being enclosed within the brush box (1), and can rotate around drum shaft (4).

6. according to the described device of claim 1, it is characterized in that the adjacent drum-type brush of dust scraper plate (5) (3) top is arranged in the brush box (1).

7. according to the described device of claim 1, it is characterized in that there is dust baffle plate (6) brush box (1) two ends and drum-type brush (3) joint portion.