CN2236953Y - Combined gravity erasing dustless writing board - Google Patents

Abstract

The utility model relates to a combined gravity erasing dustless writing board used for teaching. The utility model is characterized in that a box body (1) is adopted to serve as a combinational cell, movable magnetic thin needles (4) and white liquid (6) are arranged in the box body, and the writing board can be formed by block mounting of the box body on a horizontal retaining rail (7) on a board frame. The product adopts the principles of the magnetism and the gravity to cause that the writing effect is favorable, the board surface is opaque, the contrast ratio of handwriting is high, the articulation is high, and the erasing is simple and thorough; hard pen words or brush pen words can be written, and the bitter of the dust is saved. The product can be randomly combined into the desired size according to the need, and the seam between the combined blocks can be naturally become concealed frames for writing. The product is apt to repair and replace, and can also be manufactured into writing boards with different fundamental colors according to users' needs. The product is suitable for being popularized and used in extensive schools and families, and is substituting product for the present writing board.

Description

The combined type gravity dustless board of word that disappears

The utility model relates to a kind of dustless board of the usefulness of imparting knowledge to students.

The board that generally uses in school at present mostly is plank or cement plate is made, and it is in use reflective serious, and the definition of writing is also not enough, and dust is very serious when particularly writing the back wiping board with chalk, has greatly influenced the healthy of teachers and students.For addressing the above problem the magnetic wordpad that occurs, though can solve dust problem, complex structure, the writing contrast is little, and specific purpose tool and not thorough need be used in the word that disappears.

The purpose of this utility model is the problem at above-mentioned existence, proposed a kind of simple in structure, easy to use, write smoothly, the writing contrast is big, the word that disappears thoroughly, carry dark lattice, write the magnetic dust-free writing plate of variableization of font and plate face size capable of being combined.

The technical solution of the utility model is as follows:

The utility model is made of plate framework and the square plate and the magnetic writing pen that are loaded on this plate framework.Above-mentioned square plate is that a thin type that has transparent box cover seals box body, have the aperture of numerous non-through its bottom at box body cavity inner bottom part, the magnetic fine needle is equipped with in activity in the above-mentioned aperture, and the black pile is housed on the needle point, is perfused with milky white liquid in the box body cavity of sealing.Above-mentioned plate framework is made of both sides frame and many groups horizontal fixed rail of being loaded between the frame of both sides, above-mentioned single square plate fitly is loaded in every group of horizontal fixed rail, level is installed with a rotating shaft on this horizontal fixed rail, a termination of this rotating shaft then stretch out above-mentioned plate framework side frame and with this side frame on turning handle interlock mutually.

Above-mentioned magnetic fine needle is the plastics fine needle that contains the magnetic material powder.

One end of above-mentioned magnetic writing pen can be made into the writing brush shape.

During use, can directly on the utility model that assembles, write with magnetic pen, when the magnetic writing pen touches combined plate on the board, the magnetic fine needle in the aperture travels forward magnetic force in the plate box with attracting to be loaded on, and make black pile on the syringe needle touch the inboard of the transparent box cover of plate box, owing to be filled with the liquid of white in the box body, and whole board is appeared be white background, mobile magnetic pen will make the pile of black on the base plate of white, form the fabulous and surplus mark very clearly of contrast.When needs remove certain delegation word, magnetic pen leaves board, rotate the rotating shaft handle of the termination, the horizontal fixed rail outside of this row word correspondence, and make this andante piece suitable angle that rotates backward, because the effect of gravity, in aperture, black pile leaves transparent box cover to magnetic fine needle in the plate box with self-return, make its again echo be white.If write, also can write out the Writing brush calligraphy font with the writing brush termination of magnetic pen.

The wood utility model has adopted the principle of magnetic and gravity, makes writing effect good, and the plate face is not reflective, and the writing contrast is big, the definition height, and the word that disappears is simple and thorough, but Writing hard pen word or Brush calligraphy, the hardship of removing dust from.This product can be arbitrarily made with required size as required, and the finedraw between the combination block then becomes the dark lattice of writing naturally.This product for ease of maintenaince and replace also can be made the clipboard of different background colors according to user's needs.This product is adapted at vast school and family promotes the use of, and is the substitute products of existing clipboard.

Description of drawings:

The structural representation of Fig. 1 the utility model combined plate

Fig. 2 plate framework and horizontal fixed rail schematic diagram

1 box body, 2 transparent box covers, 3 apertures, 4 magnetic fine needles, 5 black pile 6 white liquids 7 horizontal fixed rails 8 horizontal rotating shafts 9 side frames 10 turning handles

Below in conjunction with description of drawings embodiment of the present utility model:

Adopt plastic material to be made into the combined plate box (1) that thickness is 20mm, the lid of this box (2) selects for use transparent plastic material to make, bottom thickness in this box is 6mm, have equably thereon and numerously do not connect its bottom, diameter is the Small Holes (3) of 3mm for the 1mm degree of depth, the magnetic fine needle (4) that a diameter 0.8mm length is housed in the aperture is 3.1mm, this fine needle is to add magnetic to be made in plastic material, is filled with the latex liquid (6) of white in the sealing box body.Above-mentioned plate is box-packed on the horizontal fixed rail (7) that cooperates with it on the plate framework, can be as required, what of required plate box and horizontal fixed rail are set.Middle position at the rear side of every group of horizontal fixed rail is equipped with a horizontal rotating shaft (8), the side frame (9) of plate framework is stretched out in one termination of this rotating shaft, and the turning handle of interlock (10) with it is housed on the termination, rotate each respectively in handle, then can drive the rotation of its corresponding horizontal fixed rail, to realize the word function that disappears of the present utility model.

Claims (2)

1, a kind of combined type gravity dustless board of word that disappears, constitute by plate framework and the square plate and the magnetic writing pen that are loaded on this plate framework, it is characterized in that above-mentioned square plate is that a thin type that has transparent box cover (2) seals box body (1), have the aperture (3) of numerous non-through its bottom at box body cavity inner bottom part, magnetic fine needle (4) is equipped with in activity in the above-mentioned aperture, black pile (5) is housed on the needle point, in the box body cavity of sealing, be perfused with milky white liquid (6), above-mentioned plate framework is by both sides frame (9) and be loaded on many groups horizontal fixed rail (7) that box body (1) is housed between the frame of both sides and on it and constitute, level is installed with a rotating shaft (8) on this horizontal fixed rail, and a termination of this rotating shaft is stretched out the side frame (9) of above-mentioned plate framework and turning handle (10) is housed on its termination.

2, the combined type gravity according to claim 1 dustless board of word that disappears is characterized in that above-mentioned magnetic fine needle (4) is the plastics fine needle that contains the magnetic material powder.

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