CN2371047Y - Chalk dust absorbing blackboard eraser - Google Patents

Abstract

The utility model relates to a chalk dust absorbing blackboard eraser. The utility model belongs to the technical field of the group of cleaning devices of blackboards provided with devices for absorbing chalk dust or stone boards of the subclass of auxiliary articles for writing or drawing of the class of apparatuses for writing or drawing; office articles under the subsection of printing in the section of performing operations and transporting according to the International Patent Classification (IPC). The number of the utility model is B43L21/02. The utility model is composed of a felt strip, a shaft of a brush, a soft brush, a wooden box, a handle, a pull board, a fixing screw, an electric machine, a blade, a battery box, a supporter and a switch. The utility model is characterized in that the utility model can absorb chalk dust; the utility model can lead a hand to be comfortable. The chalk dust absorbing blackboard eraser of the utility model has high practicability.

Description

Dust absorption blackboard eraser

The utility model relates to dust absorption blackboard eraser.(IPC) belongs to operation Department of Transportation by International Patent Classification (IPC), and printing branch is write or drawing appliance, the big class of office appliance, and the assistant product group of writing or draw has the blackboard of sucking chalk powder device or the cleaning device technical group field of slabstone.Be numbered B43L21/02.

At present, the technology about the cleaning device of blackboard that the sucking chalk powder device is arranged or slabstone existing and that once had was all done very fruitful effort to the demand of the daily used blackboard eraser that erases the board, and also once designed many outstanding technical schemes.As being declared by Tian Shuo of the Decree of Patent Office of China in 1994, Granted publication number is CN2174344Y, and China Patent No. is: 93232694, No. 3 utility model title is the utility model patent of " electric dust absorption blackboard eraser ", the technical scheme that is adopted.Cleaning device technical elements at blackboard that the sucking chalk powder device is arranged or slabstone is a routine of great value invention, it solved effectively when erasing the board can automatic dust absorption problem.But still have some deficits, its also be difficult to solution can be when using blackboard eraser the more comfortable problem of feel.

The purpose of this utility model is to provide a kind of dust absorption blackboard eraser.With solve can be when using blackboard eraser the more comfortable problem of feel.

The purpose of this utility model is achieved in that this utility model dust absorption blackboard eraser.Mainly constitute by felt rug, brush axle, banister brush, tub, handle, arm-tie, hold-down screw, motor, flabellum, battery case, supporter, switch.Its major part brush axle, banister brush, hold-down screw, motor, switch are by selecting for use on the market.Tub timber processing and manufacturing.At first, process tub, battery case is installed in tub, supporter is installed on battery case, motor is installed on supporter, the rotation of driven by motor flabellum, be used for dust suction, by hold-down screw handle fixed, the felt rug brush axle is installed in the front of tub at the back side of tub, banister brush is installed on brush axle, and the bottom of tub is equipped with arm-tie.So just realized the purpose of this utility model.

The utility model has been compared an advantage and improvement with the technology of the cleaning device of original blackboard that the sucking chalk powder device is arranged or slabstone;

The first, because the utility model has designed handle in technical scheme, can make when holding blackboard eraser more comfortable.Thereby just can more effectively solve can be when using blackboard eraser the more comfortable problem of feel.

Accompanying drawing provides structural representation of the present utility model:

Fig. 1: the Facad structure schematic diagram that is the utility model dust absorption blackboard eraser:

Fig. 2: the structure schematic diagram that is the utility model dust absorption blackboard eraser:

Fig. 3: the side structure schematic diagram that is the utility model dust absorption blackboard eraser:

Fig. 4: the A-A sectional structure structural representation that is Fig. 1 of the utility model dust absorption blackboard eraser: the numbering of parts explanation in the schematic diagram: (1) felt rug (2) brush axle (3) banister brush (4) tub (5) handle (6) arm-tie (7) hold-down screw (8) motor (9) flabellum (10) battery case (11) supporter (12) switch

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

As shown in the figure, the utility model dust absorption blackboard eraser.Mainly constitute by felt rug (1), brush axle (2), banister brush (3), tub (4), handle (5), arm-tie (6), hold-down screw (7), motor (8), flabellum (9), battery case (10), supporter (11), switch (12).Its major part brush axle (2), banister brush (3), hold-down screw (7), motor (8), switch (12) are by selecting for use on the market.Tub (4) is used the timber processing and manufacturing.At first, process tub (4), battery case (10) is installed in tub (4), is gone up at battery case (10) supporter (11) is installed, go up at supporter (11) motor (8) is installed, motor (8) drives flabellum (9) rotation, be used for dust suction, by hold-down screw (7) handle (5) fixed, felt rug (1) brush axle (2) is installed in the front of tub (4) at the back side of tub (4), banister brush (3) is installed on brush axle (2), and the bottom of tub (4) is equipped with arm-tie (6).So just realized the purpose of this utility model.Thereby just can solve can be when using blackboard eraser the more comfortable problem of feel.

Below by embodiment, the utility model is done more detailed description:

Embodiment 1, in use, if be used to erase the board, battery can be packed in the battery case (10), and Push switch (12) gets final product.Chalk powder is outwelled by arm-tie (6).

Embodiment 2, finish using, and battery is taken out, and chalk powder outwelled get final product.Thereby just can realize the purpose of this utility model.

Realize that preferred plan of the present utility model is is material with timber, felt-cloth, utilize the basic equipment of teaching aid factory, take to assemble in batch to produce by batch, the demand with supply education so just can realize practical value of the present utility model and economic worth better.

Claims (1)

1. dust absorption blackboard eraser, it is to be made of felt rug (1), brush axle (2), banister brush (3), tub (4), handle (5), arm-tie (6), hold-down screw (7), motor (8), flabellum (9), battery case (10), supporter (11), switch (12), battery case (10) is installed in tub (4), go up installation supporter (11) at battery case (10), go up installation motor (8) at supporter (11), motor (8) is gone up fan leaf (9) is installed, and it is characterized in that handle (5) is fixed on the back side of tub (4) by hold-down screw (7).

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