CN202319520U - Rolling shutter type blackboard - Google Patents
Rolling shutter type blackboard Download PDFInfo
- Publication number
- CN202319520U CN202319520U CN2011204559539U CN201120455953U CN202319520U CN 202319520 U CN202319520 U CN 202319520U CN 2011204559539 U CN2011204559539 U CN 2011204559539U CN 201120455953 U CN201120455953 U CN 201120455953U CN 202319520 U CN202319520 U CN 202319520U
- Authority
- CN
- China
- Prior art keywords
- rolling shutter
- blackboard
- board surface
- shutter type
- type blackboard
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000257226 Muscidae Species 0.000 description 1
- 244000227633 Ocotea pretiosa Species 0.000 description 1
- 235000004263 Ocotea pretiosa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a rolling shutter type blackboard, which belongs to teaching tools. The rolling shutter type blackboard comprises a blackboard main body, wherein the blackboard main body comprises a board surface, a loading and unloading rolling shutter shaft, a pull rope, a frame and erasing devices; the board surface is made from a flexible rubber material and sleeved on the loading and unloading rolling shutter shaft; the pull rope is mounted at two ends of the loading and unloading rolling shutter shaft; and the erasing devices are mounted at upper and lower ends of the frame and positioned on the external side of the board surface. The rolling shutter type blackboard provided by the utility model has the advantages of simple structure, convenience in use, capability of randomly adjusting the height of the board surface according to needs as well as capability of avoiding the problem that the chalk dust flies everywhere during erasing the board surface.
Description
Technical field
The utility model relates to a kind of blackboard, is a kind of roller shutter type blackboard specifically.
Background technology
Blackboard is a kind of the most frequently used teaching aid; Can be generally stiff board material at the blackboard that school adopts processes; Occupation space is very big, and teacher also can receive the restriction of height when writing simultaneously, when the sassafras blackboard is also can require great effort very much; And can cause a large amount of chalk powders to float in the classroom, also can cause adverse influence to the healthy of teachers and students.
At present much a large amount of effort has been paid in the improvement of blackboard, such as 4 blocks of plates and 2 blackboards that plate is formed of occurring now, can make write and wipe more more convenient.But the problems referred to above still exist, and these blackboards also fail fundamentally to solve.
The utility model content
The purpose of the utility model is to provide a kind of roller shutter type blackboard, and this blackboard can be according to the height of any adjustable plate face of the needs of oneself, and the problem of flying upward everywhere of the chalk powder when having avoided wiping the plate face.
The utility model solves the technical scheme that its technical problem adopted: a kind of roller shutter type blackboard, comprise the blackboard body, and it is characterized in that; Described blackboard body comprises plate face, curtain rolling shaft, stay cord, framework and erasing apparatus up and down; Described plate face is processed by flexible rubber material, and on the curtain rolling shaft, described stay cord is installed in the two ends of curtain rolling shaft up and down about being sleeved on; Erasing apparatus is installed in the two ends up and down of framework, is positioned at the outside of plate face.
The utlity model has following outstanding beneficial effect: the roller shutter type design makes the height of blackboard to regulate; Make write and wipe more convenient; Simultaneously erasing apparatus the problem that the chalk powder in the time of can avoiding wiping the plate face flies upward everywhere is set, protected environment, very practical.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Description of reference numerals: 1 erasing apparatus, 2 curtain rolling shafts, 3 stay cords, 4 frameworks, 5 plate faces.
The specific embodiment
As shown in Figure 1, a kind of roller shutter type blackboard comprises the blackboard body; Described blackboard body comprises plate face 5, curtain rolling shaft 2, stay cord 3, framework 4 and erasing apparatus 1 up and down; Described plate face 5 is processed by flexible rubber material, is sleeved on up and down on the curtain rolling shaft 2, and described stay cord 3 is installed in the two ends of curtain rolling shaft 2 up and down; Erasing apparatus 1 is installed in the two ends up and down of framework 4, is positioned at the outside of plate face 5.
During use; Can spur stay cord 3 as required and drag curtain rolling shaft 2 rotations up and down, move up and down thereby drive plate face 5, erasing apparatus 1 is hairbrush or sponge brush; Be installed in the two ends up and down of framework 4; Be positioned at the outside of plate face 5, when plate face 5 moves up and down through erasing apparatus 1, just wiped totally by hairbrush or sponge brush.
Claims (1)
1. a roller shutter type blackboard comprises the blackboard body, it is characterized in that; Described blackboard body comprises plate face, curtain rolling shaft, stay cord, framework and erasing apparatus up and down; Described plate face is processed by flexible rubber material, and on the curtain rolling shaft, described stay cord is installed in the two ends of curtain rolling shaft up and down about being sleeved on; Erasing apparatus is installed in the two ends up and down of framework, is positioned at the outside of plate face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204559539U CN202319520U (en) | 2011-11-17 | 2011-11-17 | Rolling shutter type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204559539U CN202319520U (en) | 2011-11-17 | 2011-11-17 | Rolling shutter type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319520U true CN202319520U (en) | 2012-07-11 |
Family
ID=46431512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204559539U Expired - Fee Related CN202319520U (en) | 2011-11-17 | 2011-11-17 | Rolling shutter type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774182A (en) * | 2012-07-12 | 2012-11-14 | 侯圣春 | Capacity expanding blackboard |
| CN106037086A (en) * | 2016-07-05 | 2016-10-26 | 太仓市飞鸿塑钢制品有限公司 | Protective face shield |
-
2011
- 2011-11-17 CN CN2011204559539U patent/CN202319520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774182A (en) * | 2012-07-12 | 2012-11-14 | 侯圣春 | Capacity expanding blackboard |
| CN106037086A (en) * | 2016-07-05 | 2016-10-26 | 太仓市飞鸿塑钢制品有限公司 | Protective face shield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121117 |