CN2573281Y

CN2573281Y - Blackboard eraser

Info

Publication number: CN2573281Y
Application number: CN 02253105
Authority: CN
Inventors: 李俊权
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-27
Filing date: 2002-08-27
Publication date: 2003-09-17
Anticipated expiration: 2012-08-27

Abstract

The utility model relates to a blackboard eraser, which belongs to the technical field of the subclass of writing or plotting assist articles; blackboards or a cleaning device group of slates; class of office supplies; writing or drawing apparatus under the subsection of printing in the section of performing operations and transporting according to the international patent classification (IPC). The purpose is to solve the technical problems of erasable range (height) extending and dust sucking. The utility model is mainly composed of a rubber rod, a steel handle, an iron-sheet pipe, a fixed button, a switch, a flexible iron pipe, an outer cover, a wooden frame, a hair brush, a mini fan and a battery group. The utility model is characterized in that the integral position of the fixed button is matched and connected with the small-hole position of the iron-sheet pipe. One end position of the rubber rod is adhered and connected to the bottom position of the last section of the iron-sheet pipe. Both end positions of the handle are adhered and connected to the bottom position of the last section of the iron-sheet pipe. The practical new technical proposal belongs to the technical field of the blackboard or stone-board cleaning device group. The utility model has the advantages of convenient fabrication, low cost and convenient operation.

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 in 1996 by Zhang Jieyi, Granted publication number is CN2218090Y, China Patent No. (ZL) is: No. 95236158.2 utility model patent title is the utility model patent of " (blackboard eraser soot blower ", 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 the technical problem of soot blower blackboard eraser effectively.But still have some deficits, it also is difficult to solve elongation can wipe scope (highly), the technical problem that can inhale dust.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel blackboard eraser.Can wipe scope (highly), the technical problem that can inhale dust to solve elongation.

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: rubber bar, steel handle, conduit peschel, fixing button, switch, flexible iron pipe, enclosing cover, wooden frame, hairbrush, mini-fan, battery resistance constitute.Its major part structure rubber bar, fan, conduit peschel, fixing button, switch, wooden frame, hairbrush, battery resistance are selected for use by market.Its handle is a flower shape shape, is material with the steel, through the heat treatment process manufacturing.Its flexible iron pipe is the little shape in big centre, two ends, is material with the iron sheet, through the casting processing and manufacturing.Its enclosing cover is to cover shape, is material with the duroplasts, through the cold forming 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 position fit is connected the interior along the position of wooden frame around the hairbrush, the integral position of mini-fan is fixedly connected on the interior location of wooden frame, be combined into the fixed structure of rectangular shape, function has been the fixedly effect of hairbrush.The integral position of battery resistance is connected at the tubule empty cavity position of flexible iron pipe, is combined into the combining structure of battery case shape, and function has been the effect that power supply is provided.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the integral position of fixing button is connected in the aperture position of conduit peschel, be combined into the bascule of cylindrical shape, function has been to play fixedly iron pipe when the elongation iron pipe.One end position bonding connection of rubber bar is at the bottom position of the final section of conduit peschel, the end positions bonding connection of handle is at the bottom position of the final section of conduit peschel, be combined into the fixed structure of colored shape handle shapes, function has been the effect of fixed handle position.So just realized that the solution elongation of novel blackboard eraser of the present utility model can wipe scope (highly), can inhale the purpose of the technical problem of dust.

The beneficial effect of the novel blackboard eraser of utility model is: the utility model can be wiped scope (highly) for solving elongation, and the technical scheme that technical problem adopted that can inhale dust has been compared two advantages and improvement with existing with the technology about the cleaning device group of blackboard or slabstone that once had:

First, because having designed the integral position of fixing button in the technical scheme of novel blackboard eraser of the present utility model is connected in the aperture position of conduit peschel, be combined into the bascule of cylindrical shape, so can easier solution when the elongation iron pipe, play the fixedly technical problem of iron pipe.

Second, owing to designed the bottom position of an end position bonding connection of rubber bar in the technical scheme of novel blackboard eraser of the present utility model at the final section of conduit peschel, the end positions bonding connection of handle is at the bottom position of the final section of conduit peschel, be combined into the fixed structure of colored shape handle shapes, so technical problem that can easier solution fixed handle position.

(4) description of drawings:

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

Fig. 1: the overall structure schematic diagram that is novel blackboard eraser of the present utility model:

Fig. 2: the internal structure schematic diagram that is novel blackboard eraser of the present utility model:

The label declaration of parts in the schematic diagram: 1 rubber bar, 2 steel handles, 3 conduit peschels, 4 fixing buttons, 5 switches, 6 flexible iron pipe 7 enclosing covers 8 wooden frames 9 hairbrush 10 mini-fans 11 batteries resistances

(5) specific embodiment:

Below in conjunction with accompanying drawing, can wipe scope (highly) to novel blackboard eraser of the present utility model for realize solving elongation, the optimal way that can inhale the technical scheme that the technical problem of dust takes 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 rubber bar 1, steel handle 2, conduit peschel 3, fixing button 4, switch 5, flexible iron pipe 6, enclosing cover 7, wooden frame 8, hairbrush 9, mini-fan 10, battery resistance 11.Its major part structure rubber bar 1, fan 10, conduit peschel 3, fixing button 4, switch 5, wooden frame 8, hairbrush 9, battery resistance 11 are selected for use by market.Its handle 2 is flower shape shapes, is material with the steel, through the heat treatment process manufacturing.Its flexible iron pipe 6 is the little shapes in big centre, two ends, is material with the iron sheet, through the casting processing and manufacturing.Its enclosing cover 7 is to cover shape, is material with the duroplasts, through the cold forming 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 position fit is connected the interior along the position of wooden frame 8 around the hairbrush 9, the integral position of mini-fan 10 is fixedly connected on the interior location of wooden frame 8, be combined into the fixed structure of rectangular shape, function has been the fixedly effect of hairbrush.The integral position of battery resistance 11 is connected at the tubule empty cavity position of flexible iron pipe 6, is combined into the combining structure of battery case shape, and function has been the effect that power supply is provided.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the integral position of fixing button 4 is connected in the aperture position of conduit peschel 3, be combined into the bascule of cylindrical shape, function has been to play fixedly iron pipe when the elongation iron pipe.One end position bonding connection of rubber bar 1 is at the bottom position of the final section of conduit peschel 3, the end positions bonding connection of handle 2 is at the bottom position of the final section of conduit peschel 3, be combined into the fixed structure of colored shape handle shapes, function plays the fixed handle position.

Below by using method, further set forth the dynamic structure relation of this practical novel blackboard eraser: in use, when needs are wiped the writing on the blackboard at higher position, principle according to physics, at first need to estimate length, unplug conduit peschel 3 then and be fixed on selected length, wipe the eminence writing on the blackboard more then, thereby finish erasing the board of task.

In use, when needs are inhaled dust, according to the principle of physics, at first open switch 5, the limit edges of boards of blacking make it absorb dust then, close swap switch 5 more then, thereby finish the task of dust suction.So just realized that the solution elongation of novel blackboard eraser of the present utility model can wipe scope (highly), can inhale the purpose of the technical problem of dust.

Realize that preferred plan of the present utility model is is material with the conduit peschel, utilize the basic equipment of teaching aid factory, take to produce by batch in a large number,, so just can realize the practical value and the economic worth of novel blackboard eraser of the present utility model better with the demand of supply educational circles.

Claims

1. novel blackboard eraser, it is by rubber bar (1), steel handle (2), conduit peschel (3), fixing button (4), switch (5), flexible iron pipe (6), enclosing cover (7), wooden frame (8), hairbrush (9), mini-fan (10), battery resistance (11) constitutes, in shape, structure and be in conjunction with the total essential features of last the utility model and immediate prior art: the position fit all around of hairbrush (9) is connected the interior along the position of wooden frame (8), the integral position of mini-fan (10) is fixedly connected on the interior location of wooden frame (8), the integral position of battery resistance (11) is connected at the tubule empty cavity position of bendable iron pipe (6), the utility model is in shape, the structure and in conjunction with last, be different from the technical characterictic of immediate prior art: it is characterized in that: the integral position of fixing button (4) is connected in the aperture position of conduit peschel (3).

2. novel blackboard eraser according to claim 1, it is characterized in that the bottom position of an end position bonding connection of rubber bar (1) at the final section of conduit peschel (3), the end positions bonding connection of handle (2) is at the bottom position of the final section of conduit peschel (3).