CN2707530Y

CN2707530Y - Blackboard eraser

Info

Publication number: CN2707530Y
Application number: CN 200420077785
Authority: CN
Inventors: 赵菁; 姜莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-14
Filing date: 2004-07-14
Publication date: 2005-07-06
Anticipated expiration: 2014-07-14

Abstract

The utility model relates to a novel blackboard eraser, belonging to the technique fields of the department of operation and transportation, the printing subdivision, writing or drawing articles, a small class of writing or drawing auxiliary articles and cleaning apparatuses for blackboards or stone plates, according to International Patent Classification (IPC). In order to solve the technical problem that the blackboard is removed dust by a fixed erasing cloth, the utility model mainly comprises a pressing bar, an erasing cloth, an eraser body, a trade mark and a handle. The utility model is characterized in that: the bar body of the pressing bar is fixed and sheathed with the inner side of the erasing cloth; the external side of the erasing cloth is fixedly connected with the inner part of the eraser body; four corners of the bottom surface of the eraser body are adhered to one end of the pressing bar; the other end of the pressing bar is crossed and adhered to the center of the bottom surface of the eraser body. So the novel blackboard eraser has wide application.

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 Wang Haining, Granted publication number is CN2517591Y, China Patent No. (ZL) is: No. 01228299.5 utility model patent title is the utility model patent of " Dustless eraser ", the technical scheme that is adopted, technical elements in the cleaning device group of blackboard or slabstone is a routine of great value invention, and it has solved effectively and has reduced the technical problem that sucks pernicious gas content in the room air.But still have some deficits, its also be difficult to solve with wiper erase the board dedusting, the fixedly technical problem of wiper.

(3) summary of the invention

The purpose of this utility model is to provide a kind of novel blackboard eraser.To solve with wiper erase the board dedusting, the fixedly technical problem of wiper.

The new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is: novel blackboard eraser of the present utility model mainly is made of depression bar, wiper, rub body, trade mark, handle.

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 end positions of handle is pasted the upper face center position that is connected rub body, the whole back position that is connected trade mark is pasted in the upper face center position of rub body, be combined into the integrative-structure of rectangular shape with handles, function has been the effect that erases the board.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the body of rod fixed-site of depression bar is socketed in the inner side of wiper, the outer fix of wiper is fixedly connected on the interior location of rub body, be combined into the OBL removable structure of band projection, but function is to reinstate the erase the board effect of dedusting of wiper.The bottom surface corner location of rub body is pasted an end position that is connected depression bar, and the staggered stickup in the other end position of depression bar is connected the bottom surface middle position of rub body, is combined into the fixed structure of X font shape, and function has been the fixedly effect of wiper.So just having reached novel blackboard eraser of the present utility model solves with wiper erase the board dedusting, the fixedly purpose of the technical problem of wiper.

The beneficial effect of the novel blackboard eraser of utility model is: the utility model is for solving with the wiper dedusting that erases the board, and fixedly the technical scheme that technical problem adopted of wiper has been compared two place's advantage and improvement with existing with the technology about the cleaning device group of blackboard or slabstone that once had:

First, because the body of rod fixed-site that has designed depression bar in the technical scheme of novel blackboard eraser of the present utility model is socketed in the inner side of wiper, the outer fix of wiper is fixedly connected on the interior location of rub body, be combined into the OBL removable structure of band projection, so but easier solution with the erase the board technical problem of dedusting of wiper.

Second, paste an end position that is connected depression bar owing to designed the bottom surface corner location of rub body in the technical scheme of novel blackboard eraser of the present utility model, the staggered bottom surface middle position that is connected rub body of pasting in the other end position of depression bar, be combined into the fixed structure of X font shape, so the fixing technical problem of wiper of easier solution.

(4) description of drawings:

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

Fig. 1: the structural representation of looking up that is novel blackboard eraser of the present utility model;

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

The label declaration at each position in the schematic diagram:

1 depression bar, 2 wipers, 3 rub bodies, 4 trade marks, 5 handles

(5) specific embodiment:

Below in conjunction with accompanying drawing, for realize solving with the wiper dedusting that erases the board, fixedly the optimal way of the technical scheme taked of the technical problem of wiper is described further to novel blackboard eraser of the present utility model:

Its static structure: see also accompanying drawing: as shown in the figure, novel blackboard eraser of the present utility model mainly is made of depression bar 1, wiper 2, rub body 3, trade mark 4, handle 5.Its major part rub body 3, trade mark 4, handle 5 are selected for use by market.Its depression bar 1 is a rod-shape, is material with the steel, through the casting processing and manufacturing.Its wiper 2 is elliptical shapes, is material with cloth, through cutting out 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 end positions of handle 5 is pasted the upper face center position that is connected rub body 3, the whole back position that is connected trade mark 4 is pasted in the upper face center position of rub body 3, be combined into the integrative-structure of rectangular shape with handles, function has been the effect that erases the board.In shape, structure and combination thereof, the novel blackboard eraser of the present utility model technical characterictic different with immediate prior art is: the body of rod fixed-site of depression bar 1 is socketed in the inner side of wiper 2, the outer fix of wiper 2 is fixedly connected on the interior location of rub body 3, be combined into the OBL removable structure of band projection, but function is to reinstate the erase the board effect of dedusting of wiper.The bottom surface corner location of rub body 3 is pasted an end position that is connected depression bar 1, and the staggered stickup in the other end position of depression bar 1 is connected the bottom surface middle position of rub body 3, is combined into the fixed structure of X font shape, and function has been the fixedly effect of wiper.

Below by using method, further set forth the dynamic structure relation of novel blackboard eraser of the present utility model: in use, when needs are common when erasing the board, according to theory of mechanics, at first hold handle 5, blackboard eraser is placed on the blackboard moves around then, thereby finish erasing the board of task.

In use, when needs erase the board dustproof,, at first hold handle 5, by depression bar 1 wiper 2 faces are turned down then, then water is sprinkled upon on the wiper 2 again and erases the board, thereby finish the dustproof task that erases the board according to physical principle.So just realized that novel blackboard eraser of the present utility model solves with wiper erase the board dedusting, the fixedly technical scheme of the technical problem of wiper.

Realize that preferred plan of the present utility model is is material with steel, cloth, 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 to be made of depression bar (1), wiper (2), rub body (3), trade mark (4), handle (5), the end positions of its handle (5) is pasted the upper face center position that is connected rub body (3), the whole back position that is connected trade mark (4) is pasted in the upper face center position of rub body (3), it is characterized in that: the body of rod fixed-site of depression bar (1) is socketed in the inner side of wiper (2), and the outer fix of wiper (2) is fixedly connected on the interior location of rub body (3).

2. novel blackboard eraser according to claim 1 is characterized in that: the bottom surface corner location of rub body (3) is pasted an end position that is connected depression bar (1), the staggered bottom surface middle position that is connected rub body (3) of pasting in the other end position of depression bar (1).