CN1056461A - Magnetic drawing board - Google Patents
Magnetic drawing board Download PDFInfo
- Publication number
- CN1056461A CN1056461A CN 90103545 CN90103545A CN1056461A CN 1056461 A CN1056461 A CN 1056461A CN 90103545 CN90103545 CN 90103545 CN 90103545 A CN90103545 A CN 90103545A CN 1056461 A CN1056461 A CN 1056461A
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- CN
- China
- Prior art keywords
- magnet
- board
- pieces
- chart board
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Magnetic drawing board, particularly a kind ofly fix the chart board of drawing without the method that adhesive tape is pasted and iron block is pressed, the wooden frame main body (1) that it is characterized in that this kind chart board has 4 long strip type iron sheets or the silicon steel sheet (2) and (3) (scheme 1) of arranging along chart board diagonal and symmetrical center line; Or be placed with 4～6 pieces of magnet or iron block (8) (scheme 2) in the grid of its wooden frame main body (1); Its annex---4～6 pieces of magnet (6) can with 4 long strip type iron sheets or silicon steel sheet (2) and (3) (scheme 1) or with 4～6 pieces of magnet or the graviational interaction of iron block (8) (scheme 2) in the chart board can the drawing on the chart board (7) is tightly fixing.
Description
The present invention relates to a kind of chart board.Particularly: a kind of chart board that fixes drawing of pasting without adhesive tape.
Chart board is a kind of drawing instrument that is used for Graphing of Engineering.But use plate drawing.Drawing must be pasted fixing or fastens drawing with iron block with adhesive tape.
Paste fixedly drawing with adhesive tape.To paste, complete and open again before drawing.Whenever paint that a drawing repeats once, the time-consuming adhesive tape of having wasted again.
The method of pressing with iron block fixes drawing, and iron block and drawing are all easily because of rocking displacement.Drawing levelling again again like this.
The objective of the invention is to provide a kind of pastes without adhesive tape.Also the method for not pressing with iron block fixes the magnetic drawing board of drawing.
The objective of the invention is to realize by following such 2 kinds of schemes:
Scheme 1: at 4 the long strip type iron sheets or the silicon steel sheet of 3～4 centimetres wide of the whole extension position bookbindings of the diagonal of the wooden frame main body upper edge of chart board chart board and symmetrical center line.And then glue together upper and lower three-ply board surface layer.During drawing.No matter drawing breadth size is placed without exception the central authorities of chart board.Then with annex---4～6 pieces of magnet place four jiaos and the centre of an opposite side of drawing; Because the graviational interaction of iron sheet or silicon steel sheet in magnet and the chart board.Magnet and drawing i.e. being fixed on the chart board tightly.Both made and rocked chart board.Magnet and drawing position can not change yet.Drawing protract is finished.Take down top magnet.Can take down drawing.
Scheme 2: in each lattice of the wooden frame main body of chart board.Between the upper and lower three-ply board surface layer.Insert 4～6 pieces of magnet or iron block (can in lattice, slide) in advance; During drawing.Drawing is placed on the chart board.Then with annex---4～6 pieces of magnet place on the drawing.Because the magnet that magnet and chart board are interior or the graviational interaction of iron block, magnet and drawing i.e. being fixed on the chart board tightly, both made and moved chart board.The drawing position can not change yet.Drawing protract is finished.Take down top magnet.Can take down drawing.
The present invention is easy to make and transform on the basis of former chart board especially.
The concrete structure of invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1: be profile according to the concrete device of the present invention program's 1 proposition.
Describe the details and the working condition of the concrete device that proposes according to the present invention program 1 in detail below in conjunction with Fig. 1.
This device comprises a wooden frame main body (1).Upper and lower three-ply board surface layer is glued together, (4) and (5) then in 4 long strip type iron sheets of 3～4 centimetres wide of the whole extension position bookbindings of main body (1) upper edge chart board diagonal and symmetrical center line or silicon steel sheet (2) and (3).During drawing drawing (7) is placed the central authorities of chart board, then with annex---4～6 pieces of magnet (6) place four jiaos and the mid point of an opposite side of drawing (7).Because the graviational interaction of iron sheet or silicon steel sheet (2), (3) in magnet (6) and the chart board.Drawing (7) promptly tightly is fixed on the chart board.
Fig. 2 is the profile according to the concrete device of the present invention program's 2 propositions.
The details and the working condition of the concrete device that proposes according to the present invention program 2 are described below in conjunction with Fig. 2.
This device comprises in each lattice of a wooden frame main body (1), wooden frame main body (1), insert 4～6 pieces of magnet or iron block (8) (can slide) in advance between upper and lower three-ply board surface layer (4) and (5) in lattice.During drawing drawing (7) is placed on the chart board, then with annex---4～6 pieces of magnet (6) place on the drawing (7).Because the magnet in magnet (6) and the chart board or the graviational interaction of iron block (8).Drawing (7) is promptly by being fixed on the chart board tightly.
Claims (3)
1. magnetic drawing board.Particularly: the method that need not favore with adhesive tape stickup and iron block pressure thoroughly fixes the chart board of drawing.This magnetic drawing board has a wooden frame main body (1): scheme 1 is that 3～4 centimetres wide long strip type iron sheet or silicon steel sheet (2) and (3) are arranged in the whole extension position bookbinding of wooden frame main body (1) upper edge chart board diagonal and symmetrical center line; Scheme 2 is in each grid of wooden frame main body (1), inserts 4～6 pieces of magnet or iron block (8) between three-ply board surface layer (4) and (5) up and down.
2. the scheme 1 described chart board according to claim 1 has an annex---4～6 pieces of magnet (6).It is characterized in that annex---4～6 pieces of magnet (6) are gone up the iron sheet or the silicon steel sheet (2) of bookbinding with wooden frame main body (1).(3) graviational interaction and the drawing (7) of chart board central authorities is tightly fixing.
3. the scheme 2 described chart boards according to claim 1 have an annex---4～6 pieces of magnet (6).It is characterized in that annex---the magnet in 4～6 pieces of magnet (6) and wooden frame main body (1) grid, between upper and lower three-ply board surface layer (4) and (5) or the graviational interaction of iron block (8) are fixed on drawing (7) on the chart board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103545 CN1056461A (en) | 1990-05-14 | 1990-05-14 | Magnetic drawing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103545 CN1056461A (en) | 1990-05-14 | 1990-05-14 | Magnetic drawing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1056461A true CN1056461A (en) | 1991-11-27 |
Family
ID=4878136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90103545 Pending CN1056461A (en) | 1990-05-14 | 1990-05-14 | Magnetic drawing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1056461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879200A (en) * | 2014-03-24 | 2014-06-25 | 浙江水利水电学院 | Class drawing board tool |
| CN104442115A (en) * | 2014-12-16 | 2015-03-25 | 济南大学 | Drawing board |
-
1990
- 1990-05-14 CN CN 90103545 patent/CN1056461A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879200A (en) * | 2014-03-24 | 2014-06-25 | 浙江水利水电学院 | Class drawing board tool |
| CN103879200B (en) * | 2014-03-24 | 2016-03-16 | 浙江水利水电学院 | Classroom draughting board tool |
| CN104442115A (en) * | 2014-12-16 | 2015-03-25 | 济南大学 | Drawing board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |