CN203818842U - Writing device capable of being adjusted in circulating mode - Google Patents
Writing device capable of being adjusted in circulating mode Download PDFInfo
- Publication number
- CN203818842U CN203818842U CN201420239905.XU CN201420239905U CN203818842U CN 203818842 U CN203818842 U CN 203818842U CN 201420239905 U CN201420239905 U CN 201420239905U CN 203818842 U CN203818842 U CN 203818842U
- Authority
- CN
- China
- Prior art keywords
- writing
- beams
- cloth
- built
- fixed head
- 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.)
- Expired - Fee Related
Links
- 239000004744 fabric Substances 0.000 claims abstract description 29
- 230000007935 neutral effect Effects 0.000 claims description 4
- 241000190019 Guaiacum Species 0.000 claims description 3
- 235000004440 Guaiacum sanctum Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a writing device capable of being adjusted in a circulating mode. The writing device comprises a fixed plate, two fixed beams, four fixed seats, an upper roller, a lower roller, a rotary hand wheel, writing cloth and an erasing device. The two fixed beams are fixedly arranged on the left side and the right side of the fixed plate, every two fixed seats are respectively and fixedly arranged on one side of the two fixed beams, the upper roller is rotatbaly arranged in mounting holes in the upper portions of the two fixed beams, the lower roller is rotatably arranged in mounting holes in the lower portions of the two fixed beams, the rotary hand wheel is fixedly arranged at the right end of the lower roller, the erasing device is rotatably arranged in mounting holes in the middles of the two fixed beams, the writing cloth is a flexible device, and the writing cloth is tensioned and arranged on the outer side of the upper roller and the outer side of the lower roller. The aim that the writing device for teaching is adjustable and is used in the circulating mode can be achieved, and the dust influence caused by use of common chalk is avoided.
Description
Technical field
The utility model relates to a kind of teaching equipment, is specifically related to a kind of writing device of adjustment capable of circulation, belongs to teaching aid technical field.
Background technology
Now the blackboard on market is hard plate mostly, and with traditional lime chalk generation vestige that rubs in the above, realization is write.Traditional write in height can usable floor area littlely, because writing height constantly changes, user be very inconvenient, and more easily tired.In the time writing lower height, writing can part be blocked by writer, brings inconvenience to beholder.Even pulley-type moves up and down blackboard, when use because have front and rear panel point, so rear plate because can be blocked and can not rest on centre position by header board, uses size to be restricted.When traditional blackboard is removed, directly use the wiping of felt matter blackboard eraser to remove writing, easily produce large quantities of lime dust, long-term use can be harmful to health.
Summary of the invention
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of writing device of adjustment capable of circulation.
The writing device of a kind of adjustment capable of circulation of the present utility model, comprise fixed head, two built-in beams and four holders, upper cylinder and bottom roll, rotate handwheel, write cloth, erasing apparatus, described fixed head is the thin plate of rectangular shape, two described built-in beam tops, middle part, bottom is respectively provided with an installing hole, two built-in beams are fixedly mounted on the fixed head left and right sides, on four holders, be provided with fixing hole, every two holders are fixedly mounted on respectively a side of two built-in beams, use screw by the fixing hole on holder, the utility model to be fixedly mounted on the wall in classroom, described upper cylinder is two axles that the diameter of axle is identical with bottom roll, upper drum rotating is arranged in the installing hole on two built-in beam tops, bottom roll is rotatably mounted in the installing hole of two built-in beam bottoms, described rotation handwheel is fixedly mounted on the right-hand member of bottom roll, described erasing apparatus is rotatably mounted in the installing hole at two built-in beam middle parts, and be positioned at the back side of fixed head, the described cloth of writing is flexible apparatus, the utility model adopts neutral soft pen to write writing on cloth, the described cloth tensioning of writing is arranged on cylinder and bottom roll outside, writing cloth front is adjacent on fixed head, writing the cloth back side is arranged between fixed head and erasing apparatus, and contact with erasing apparatus.
As preferably, described fixed head is lignum vitae sheet material matter, and upper cylinder and bottom roll are stainless steel.
As preferably, described erasing apparatus is circular shaft shape, and erasing apparatus surface is provided with wipes hairbrush.
The beneficial effects of the utility model are: the utility model is by being provided with upper cylinder and bottom roll, and flexible writing device, thereby realize the adjustable of didactic works write device and the object recycling, and avoided the dust impact that uses common chalk to bring.
Brief description of the drawings
For ease of explanation, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is the three-dimensional structure diagram in front of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the three-dimensional structure diagram at the back side of the present utility model.
Fig. 4 is rearview of the present utility model.
The positive three-dimensional structure diagram that Fig. 5 is the utility model when writing cloth and remove.
The three-dimensional structure diagram at the back side that Fig. 6 is the utility model when writing cloth and remove.
In figure: 1-fixed head; 2-fixed cross beam; 3-holder; The upper cylinder of 4-; 5-bottom roll; 6-rotates handwheel; 7-writes cloth; 8-erasing apparatus.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below by the specific embodiment shown in accompanying drawing, the utility model is described.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, this detailed description of the invention is by the following technical solutions: a kind of writing device of adjustment capable of circulation, comprise fixed head 1, two built-in beams 2 and four holders 3, upper cylinder 4 and bottom roll 5, rotate handwheel 6, write cloth 7, erasing apparatus 8, the thin plate that described fixed head 1 is rectangular shape, two described built-in beam 2 tops, middle part, bottom is respectively provided with an installing hole, two built-in beams 2 are fixedly mounted on fixed head 1 left and right sides, on four holders 3, be provided with fixing hole, every two holders 3 are fixedly mounted on respectively a side of two built-in beams 2, use screw by the fixing hole on holder 3, the utility model to be fixedly mounted on the wall in classroom, described upper cylinder 4 is two axles that the diameter of axle is identical with bottom roll 5, upper cylinder 4 is rotatably mounted in the installing hole on two built-in beam 2 tops, bottom roll 5 is rotatably mounted in the installing hole of two built-in beam 2 bottoms, described rotation handwheel 6 is fixedly mounted on the right-hand member of bottom roll 5, described erasing apparatus 8 is rotatably mounted in the installing hole at two built-in beam 2 middle parts, and be positioned at the back side of fixed head 1, described writes cloth 7 for flexible apparatus, the utility model adopts neutral soft pen to write writing on cloth 7, described cloth 7 tensionings of writing are arranged on cylinder 4 and bottom roll 5 outsides, writing cloth 7 fronts is adjacent on fixed head 1, writing cloth 7 back sides is arranged between fixed head 1 and erasing apparatus 8, and contact with erasing apparatus 8.
As preferably, described fixed head 1 is lignum vitae sheet material matter, and upper cylinder 4 and bottom roll 5 are stainless steel.
As preferably, described erasing apparatus 8 is circular shaft shape, and erasing apparatus 8 surfaces are provided with wipes hairbrush.
Operation principle of the present utility model: the utility model in use, first by the fixing hole on four holders 3, use screw the utility model entirety to be fixed on the wall in classroom, so that use, then teacher in use, can use neutral soft pen to write writing on cloth 7, when writing the front of cloth 7 while being fully written, teacher can use and rotate handwheel 6, bottom roll 5 is clockwise rotated, and drive and write cloth 7 movement that faces up, in this simultaneously, the erasing apparatus that is arranged on fixed head 1 back side is started working, the writing of writing on cloth 7 is wiped, simultaneously, be wiped free of the clean cloth 7 of writing along with rotating the rotation of handwheel 6, again move on fixed head 1, thereby the adjustment capable of circulation that has realized writing device is used.
Claims (3)
1. the writing device of an adjustment capable of circulation, comprise fixed head (1), two built-in beams (2) and four holders (3), upper cylinder (4) and bottom roll (5), rotate handwheel (6), write cloth (7), erasing apparatus (8), it is characterized in that: the thin plate that described fixed head (1) is rectangular shape, described two built-in beams (2) top, middle part, bottom is respectively provided with an installing hole, two built-in beams (2) are fixedly mounted on fixed head (1) left and right sides, on four holders (3), be provided with fixing hole, every two holders (3) are fixedly mounted on respectively a side of two built-in beams (2), use screw by the fixing hole on holder (3), the utility model to be fixedly mounted on the wall in classroom, described upper cylinder (4) is two axles that the diameter of axle is identical with bottom roll (5), upper cylinder (4) is rotatably mounted in the installing hole on two built-in beams (2) top, bottom roll (5) is rotatably mounted in the installing hole of two built-in beams (2) bottom, described rotation handwheel (6) is fixedly mounted on the right-hand member of bottom roll (5), described erasing apparatus (8) is rotatably mounted in the installing hole at two built-in beams (2) middle part, and be positioned at the back side of fixed head (1), the described cloth (7) of writing is flexible apparatus, the utility model adopts neutral soft pen to write writing on cloth (7), described cloth (7) tensioning of writing is arranged on cylinder (4) and bottom roll (5) outside, writing cloth (7) front is adjacent on fixed head (1), writing cloth (7) back side is arranged between fixed head (1) and erasing apparatus (8), and contact with erasing apparatus (8).
2. the writing device of a kind of adjustment capable of circulation as claimed in claim 1, is characterized in that: described fixed head (1) is lignum vitae sheet material matter, and upper cylinder (4) and bottom roll (5) are stainless steel.
3. the writing device of a kind of adjustment capable of circulation as claimed in claim 1, is characterized in that: described erasing apparatus (8) is circular shaft shape, and erasing apparatus (8) surface is provided with wipes hairbrush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239905.XU CN203818842U (en) | 2014-05-12 | 2014-05-12 | Writing device capable of being adjusted in circulating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239905.XU CN203818842U (en) | 2014-05-12 | 2014-05-12 | Writing device capable of being adjusted in circulating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818842U true CN203818842U (en) | 2014-09-10 |
Family
ID=51474379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239905.XU Expired - Fee Related CN203818842U (en) | 2014-05-12 | 2014-05-12 | Writing device capable of being adjusted in circulating mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203818842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
-
2014
- 2014-05-12 CN CN201420239905.XU patent/CN203818842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |