CN2465955Y

CN2465955Y - Dust-suction blackboard eraser

Info

Publication number: CN2465955Y
Application number: CN 01213070
Authority: CN
Inventors: 阎永国
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-28
Filing date: 2001-02-28
Publication date: 2001-12-19
Anticipated expiration: 2011-02-28

Abstract

The utility model discloses a dust suction blackboard eraser, which comprises a brush body (1), a brush head (2) and a back cover (3). The utility model is characterized in that a miniature dc motor (4) with blades (5) is arranged in a cavity body between the brush head (2) and the back cover (3). A lifting dust shielding curtain (6) is arranged at the back of the motor (4). The utility model has a beneficial effect that when a blackboard is erased, dust is not generated, which is helpful to the good health of teachers and students. The utility model has another function that the dust suction blackboard eraser can be used as a miniature suction cleaner for absorbing dust on clothes, tabletops, walls, sofas, bed surfaces and various domestic appliances.

Description

The dust-absorbing blackboard sassafras

The utility model relates to a kind of blackboard eraser, is specifically related to a kind of blackboard eraser that can dust suction.

Blackboard eraser commonly used at present is to do shell by an iron sheet, and waste and old cotton making herbs into wool hair is contained in the iron sheet outer casing the inside and makes, the effect that only erases the board, and also chalk dust waves everywhere when the sassafras blackboard, is unfavorable for very much health.

The purpose of this utility model provides a kind of dust-absorbing blackboard sassafras, and it can sop up the chalk dust that comes off when erasing the board.

The technical scheme that realizes above-mentioned purpose is as described below: it comprises brush body 1, brush 2 and bonnet 3, and the DC micromotor 4 of a band flabellum 5 is housed in the cavity between brush 2 and bonnet 3, and a grey curtain 6 of liftable screening is equipped with in motor 4 back.

Described bonnet 3 is filter mantles, the rear end link joint of it and brush body 1, and bonnet can unload.

There is a lever 9 upper edge of the grey curtain 6 of described screening, and an end of lever 9 stretches out from the indentation, there of brush body 1 back, and balance pivot 10 is set on the breach of brush body 1 back.

Described brush 2 is frameworks that are made of the spaced vertical bar of 2--4 root, and what inlayed in the front of vertical bar is fine hair, and what inlayed at the back side is thicker bristle.

Bad-looking dust when good effect of the present utility model is the sassafras blackboard helps the healthy of teachers and students.

Another effect of the present utility model is that it can be used as the micro-cleaner use, can sop up the dust on clothes, desktop, wall, sofa, bed surface and the various household electrical appliance.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a back perspective view of the present utility model;

Fig. 3 is the front schematic view of brush shown in Figure 1;

Fig. 4 is the schematic rear view of brush shown in Figure 1.

As shown in Figure 1, dust-absorbing blackboard sassafras described in the utility model is made up of brush body 1, brush 2 and bonnet 3, the DC micromotor 4 of a band flabellum 5 is housed in the cavity between brush 2 and bonnet 3, a grey curtain 6 of liftable screening is housed in the back of motor 4.Motor is fixed on the inwall of brush body, and battery 7 is fixed on the next door of motor, the corresponding bayonet socket clamping of the dop up and down of bonnet 3 and brush body 1 rear end, and bonnet can unload, and is beneficial to clear up the dust of savings.The front end clamping of brush 2 and brush body 1, it can erase the board in the front outwardly, also can brush the dust of inhaling on clothes or the bed towards the thicker bristle of external application in the back side.

As shown in Figure 2, in the outside of brush body 1 motor switch 8 is housed, there is a lever 9 upper edge that hides grey curtain 6, and an end of lever 9 stretches out from the indentation, there of brush body 1 back, and balance pivot 10 is set on the breach of brush body 1 back.

As shown in Figure 3, Figure 4, brush 2 is frameworks that are made of the spaced vertical bar of 2--4 root, and what inlayed in the front of vertical bar is fine hair, and what inlayed at the back side is thicker bristle.

When using this blackboard eraser, upwards pull lever 9, hide grey curtain 6 and just fallen, press motor switch 8, DC micromotor 4 just drives flabellum 5 and rotates, and can suck dust in the brush body, and savings is hiding between grey curtain 6 and the bonnet 3; In the time of obsolete, powered-down, pull lever 9 downwards, hide grey curtain 6 and just be raised, at this moment blackboard eraser just can arbitrarily be placed, and dust can not poured in the cavity at motor place; When falling ash, take off bonnet 3 and outwell dust and get final product.

Claims

1. dust-absorbing blackboard sassafras, it comprises brush body (1), brush (2) and bonnet (3), it is characterized in that: the DC micromotor (4) of a band flabellum (5) is housed in the cavity between brush (2) and bonnet (3), and a grey curtain of liftable screening (6) is equipped with in motor (4) back.

2. dust-absorbing blackboard sassafras as claimed in claim 1 is characterized in that: described bonnet (3) is a filter mantle, the rear end link joint of it and brush body (1), and bonnet can unload.

3. dust-absorbing blackboard sassafras as claimed in claim 1, it is characterized in that: there is a lever (9) upper edge of the grey curtain of described screening (6), one end of lever (9) stretches out from the indentation, there of brush body (1) back, and balance pivot (10) is set on the breach of brush body (1) back.

4. dust-absorbing blackboard sassafras as claimed in claim 1 is characterized in that: described brush (2) is a framework that is made of the spaced vertical bar of 2--4 root, and what inlayed in the front of vertical bar is fine hair, and what inlayed at the back side is thicker bristle.