CN2609775Y

CN2609775Y - Electric environmental protection energy-saving eraser

Info

Publication number: CN2609775Y
Application number: CN 02235198
Authority: CN
Inventors: 蒋东东
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-13
Filing date: 2002-05-13
Publication date: 2004-04-07
Anticipated expiration: 2012-05-13

Abstract

Disclosed is an electric environment protective energy-saving blackboard eraser. A battery and a motor is arranged in the upper layer of a plastic casing, a brush roller rotarily supported between two sides of the casing is correspondingly arranged in the lower layer of the casing under the motor, a drive gear group is connected between a motor shaft and the brush roller, the lower portion of the brush roller is exposed out of a notch corresponding to the lower end of the casing, and a power switch is arranged on the casing. The electric environment protective energy-saving blackboard eraser of the utility model has the beneficial effects that the motor is utilized for driving the brush roller to erase chalk characters on the blackboard, simultaneously the dust can be collected in the casing and reutilized, thereby avoiding respiratory diseases resulted from dust flying.

Description

The energy-conservation blackboard eraser of electric environmental protection

Technical field

The utility model relates to a kind of electric blackboard eraser, the energy-conservation blackboard eraser of especially a kind of electric environmental protection.

Background technology

At present, known blackboard eraser is by plank with felt is bonding forms together.By felt contact blackboard panel reciprocating friction, cause powder to fly upward, make the academics and students be drawn onto a large amount of powder and cause respiratory disease.

Summary of the invention

In order to overcome the shortcoming that existing blackboard eraser causes powder to fly upward with the friction of plate face, the utility model provides a kind of electric environmental protection energy-conservation blackboard eraser, and this blackboard eraser can not only be wiped the word on the blackboard quickly, and can be with a large amount of powder collection in powder box.

The technical scheme that its technical problem that solves the utility model adopts is: battery and motor are housed in the upper strata of plastic casing, below the corresponding motor of the lower floor of housing, the brush roll rotating support is arranged between the housing both sides, between the axle of motor shaft and brush roll, be connected with driving gear set, the downside of brush roll exposes outside the breach of housing lower end correspondence, and power switch is housed on housing.

Described driving gear set comprises driving gear, gear wheel, pinion, brush roll gear, and driving gear is loaded on the motor shaft, and large and small gear is coaxial, wherein gear wheel and driving gear engagement, pinion and brush roll gears engaged.

The beneficial effects of the utility model are: can wipe letter written with chalk on the blackboard by the driven by motor brush roll, powder collection can also be utilized in housing more simultaneously, and avoided powder to fly upward the respiratory disease that causes.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the B-B cutaway view of Fig. 2.

The specific embodiment

Referring to Fig. 1-Fig. 3, the utility model is equipped with battery 2 and motor 3 in the upper strata of plastic casing 1, below the corresponding motor 3 of the lower floor of housing 1, brush roll 4 is arranged, its two ends rotating support is between the housing both sides, between the axle of motor shaft and brush roll 4, be connected with driving gear set 5, the downside of brush roll 4 exposes outside the breach of lower end correspondence of housing 1, and power switch 6 is housed on housing 1.

Described driving gear set 5 comprises driving gear 51, gear wheel 52, pinion 53, brush roll gear 54, driving gear 51 is loaded on the motor shaft, large and

small gear

52 and 53 is coaxial, wherein gear wheel 52 and driving gear 51 engagements,

pinion

53 and 54 engagements of brush roll gear.

The utility model is attached on the blackboard lower surface of its housing 1 mobile when work, driving brush roll 4 after motor 3 slows down by driving gear set 5 turns clockwise, chalk writing is wiped on the mantle friction blackboard surface of brush roll 4, and powder brought in housing 1 lower floor collects.

Claims

1, the energy-conservation blackboard eraser of a kind of electric environmental protection, it is characterized in that: battery and motor are housed in the upper strata of plastic casing, below the corresponding motor of the lower floor of housing, the brush roll rotating support is arranged between the housing both sides, between the axle of motor shaft and brush roll, be connected with driving gear set, the downside of brush roll exposes outside the breach of housing lower end correspondence, and power switch is housed on housing.

2, the energy-conservation blackboard eraser of electric environmental protection according to claim 1, it is characterized in that: described driving gear set comprises driving gear, gear wheel, pinion, brush roll gear, driving gear is loaded on the motor shaft, large and small gear is coaxial, wherein gear wheel and driving gear engagement, pinion and brush roll gears engaged.