CN2629999Y

CN2629999Y - Blackboard eraser

Info

Publication number: CN2629999Y
Application number: CN 03206046
Authority: CN
Inventors: 路美娇; 李铁君; 路奎哲; 卢秀艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-23
Filing date: 2003-07-23
Publication date: 2004-08-04
Anticipated expiration: 2013-07-23

Abstract

A new blackboard eraser belongs to the technical field of the blackboard and slab cleaning device group, the writing and drawing apparatus class, the printing branch, the operating and transportation department, as per the International Patent Classification (IPC), The purpose is to solve the technical problems of flying of chalk dust, laborious blackboard erasing and hard treatment on the environmental pollution of powders. The new model blackboard eraser is comprised of a cover, a casing, a baffle, a glue plug, a base plate, an ash pipe, a dust collector, a switch, a battery, a pore plate and a hairbrush and is characterized in that the lower end of the pore plate is stuck to a side of the hairbrush; the four sides ends of the pore plate are stuck to the lower end of the casing; the screw at the upper end of the base plate is arranged at the bottom of the dust collector; the hole site of the baffle is connected with the output part site of the dust collector; the integral position of the switch is arranged at the hole site of the casing through the hole; the integral position of the glue plug is arranged at the upper end hole site of the casing through the hole; the blackboard eraser has extensive usage, simple method of making, low cost and is convenient in use and easily popularized.

Description

Novel blackboard eraser

(1) technical field:

The utility model relates to novel blackboard eraser, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, and printing branch is write or drawing appliance; The big class of office appliance is write or drawing article; The assistant product group of writing or draw, the technical field of the cleaning device group of blackboard or slabstone.

(2) background technology:

At present, the technology about the cleaning device group of blackboard or slabstone existing and that once had was all done very fruitful effort to the demand of novel blackboard eraser, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by University Of Shanxi, Granted publication number is CN2517592Y, China Patent No. (ZL) is: No. 01274676.2 utility model patent title is the utility model patent of " a kind of dust-collecting type blackboard eraser ", the technical scheme that is adopted.The technical elements of the cleaning device group of blackboard or slabstone is a routine of great value invention, and it has solved good dedusting effect effectively, and the technical problem that can change of blanket sleeve.But still have some deficits, it also is difficult to solve chalk dust and disorderly flies, the effort that erases the board, the unmanageable technical problem of contaminated environment powder ash.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel blackboard eraser.Disorderly fly the effort that erases the board, the unmanageable technical problem of contaminated environment powder ash to solve chalk dust.

The novel blackboard eraser that the new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that this utility model mainly by: lid, shell, dividing plate, plug, base plate, ash pipe, dust catcher, switch, battery, orifice plate, hairbrush constitute.Its major part lid, shell, plug, ash pipe, dust catcher, switch, battery, hairbrush are selected for use by market.Its dividing plate is a rectangular shape, is material with plastics, through the pressing mold processing and manufacturing.Its base plate is a rectangular shape with holes, is material with plastics, through the pressing mold processing and manufacturing.Its orifice plate is a porous rectangular slab shape, is material with plastics, through the pressing mold processing and manufacturing.

In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the bonding side position that is connected hairbrush of the lower end position of shell, the marginal position snapping of lid is connected the upper end hole position of shell, be combined into OBL convered structure structure, function has been the effect of dedusting.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the bonding side position that is connected hairbrush of the lower end position of orifice plate, the bonding lower end position that is connected shell of four limit end positions of orifice plate, be combined into the integrative-structure of cavity rectangular shape, function has been the effect of dedusting, filter dirt.The upper end position screw of base plate is installed in the bottom position of dust catcher, and the hole site of dividing plate is connected the output position of dust catcher by ash pipe, is combined into the integrative-structure that entity connects shape, and function has been to lead the effect of dirt, dust-separation.The integral position perforation of switch is installed in the hole site of shell, and the integral position perforation of plug is installed in the upper end hole position of shell, is combined into the bascule of rectangular shape, and function has been the effect of control dust suction.The solution chalk dust of so just having realized novel blackboard eraser of the present utility model disorderly flies, the effort that erases the board, the purpose of the unmanageable technical problem of contaminated environment powder ash.

The beneficial effect of the novel blackboard eraser of utility model is: the utility model disorderly flies for solving chalk dust, the effort that erases the board, the technical scheme that the unmanageable technical problem of contaminated environment powder ash is adopted has been compared three advantages and improvement with existing with the technology about the cleaning device group of blackboard or slabstone that once had:

First, owing to designed the bonding side position that is connected hairbrush of lower end position of orifice plate in the technical scheme of novel blackboard eraser of the present utility model, the bonding lower end position that is connected shell of four limit end positions of orifice plate, be combined into the integrative-structure of cavity rectangular shape, so can easier solution dedusting, the technical problem of filter dirt.

Second, because the upper end position screw that has designed base plate in the technical scheme of novel blackboard eraser of the present utility model is installed in the bottom position of dust catcher, the hole site of dividing plate is connected the output position of dust catcher by ash pipe, be combined into the integrative-structure of entity connection shape, so can easier solution lead the technical problem of dirt, dust-separation.

The 3rd, because the integral position perforation that has designed switch in the technical scheme of novel blackboard eraser of the present utility model is installed in the hole site of shell, the integral position perforation of plug is installed in the upper end hole position of shell, be combined into the bascule of rectangular shape, thus can be easier the technical problem of solution control dust suction.

(4) description of drawings:

Accompanying drawing provides the structural representation of novel blackboard eraser of the present utility model:

Fig. 1: the unitary side that is novel blackboard eraser of the present utility model cuts open structural representation:

The label declaration of parts in the schematic diagram:

1 lid, 2 shells, 3 dividing plates, 4 plugs, 5 base plates, 6 ash pipes

7 dust catchers, 8 switches, 9 batteries, 10 orifice plates, 11 hairbrush

(5) specific embodiment:

Below in conjunction with accompanying drawing, novel blackboard eraser of the present utility model is disorderly flown for realizing the solution chalk dust, the effort that erases the board, the optimal way of the technical scheme that the unmanageable technical problem of contaminated environment powder ash is taked is described further:

Its static structure: please join accompanying drawing: as shown in the figure, novel blackboard eraser of the present utility model mainly is made of lid 1, shell 2, dividing plate 3, plug 4, base plate 5, ash pipe 6, dust catcher 7, switch 8, battery 9, orifice plate 10, hairbrush 11.Its major part lid 1, shell 2, plug 4, ash pipe 6, dust catcher 7, switch 8, battery 9, hairbrush 11 are selected for use by market.Its dividing plate 3 is rectangular shape, is material with plastics, through the pressing mold processing and manufacturing.Its base plate 5 is rectangular shape with holes, is material with plastics, through the pressing mold processing and manufacturing.Its orifice plate 10 is porous rectangular slab shapes, is material with plastics, through the pressing mold processing and manufacturing.

In shape, structure and combination thereof, the total essential features of novel blackboard eraser of the present utility model and immediate prior art is: the bonding side position that is connected hairbrush 11 of the lower end position of shell 2, the marginal position snapping of lid 1 is connected the upper end hole position of shell 2, be combined into OBL convered structure structure, function has been the effect of dedusting.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the bonding side position that is connected hairbrush 11 of the lower end position of orifice plate 10, the bonding lower end position that is connected shell 2 of four limit end positions of orifice plate 10, be combined into the integrative-structure of cavity rectangular shape, function has been the effect of dedusting, filter dirt.The upper end position screw of base plate 5 is installed in the bottom position of dust catcher 7, and the hole site of dividing plate 3 is connected the output position of dust catcher 7 by ash pipe 6, is combined into the integrative-structure that entity connects shape, and function has been to lead the effect of dirt, dust-separation.The integral position perforation of switch 8 is installed in the hole site of shell 2, and the integral position perforation of plug 4 is installed in the upper end hole position of shell 2, is combined into the bascule of rectangular shape, and function has been the effect of control dust suction.

Below by using method, further set forth the dynamic structure relation of this practical novel blackboard eraser: in use, when needs erase the board, principle according to the wind-force dust suction, at first open switch 8, erase the board then, dirt enters by ash pipe 6 and deposits grey chamber then again, thereby finishes the task of dust suction.

In use, in the time of dust out, according to the principle of gravity, at first open plug 4, the side blackboard eraser knocks blackboard eraser more then then, thereby finishes down the task of dust.The solution chalk dust of so just having realized novel blackboard eraser of the present utility model disorderly flies, the effort that erases the board, the purpose of the unmanageable technical problem of contaminated environment powder ash.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of teaching equipment factory, take standardization to produce by batch,, so just can realize the practical value and the economic worth of novel blackboard eraser of the present utility model better with the demand on supply teaching circle.

Claims

1. novel blackboard eraser, it is to be made of lid (1), shell (2), dividing plate (3), plug (4), base plate (5), ash pipe (6), dust catcher (7), switch (8), battery (9), orifice plate (10), hairbrush (11), the bonding side position that is connected hairbrush (11) of the lower end position of its shell (2), the marginal position snapping of lid (1) is connected the upper end hole position of shell (2), it is characterized in that: the bonding side position that is connected hairbrush (11) of the lower end position of orifice plate (10), the bonding lower end position that is connected shell (2) of four limit end positions of orifice plate (10).

2. novel blackboard eraser according to claim 1 is characterized in that the upper end position screw of base plate (5) is installed in the bottom position of dust catcher (7), and the hole site of dividing plate (3) is connected the output position of dust catcher (7) by ash pipe (6).

3. novel blackboard eraser according to claim 1 is characterized in that the integral position perforation of switch (8) is installed in the hole site of shell (2), and the integral position perforation of plug (4) is installed in the upper end hole position of shell (2).