CN203078045U - Detachable blackboard - Google Patents
Detachable blackboard Download PDFInfo
- Publication number
- CN203078045U CN203078045U CN 201220751732 CN201220751732U CN203078045U CN 203078045 U CN203078045 U CN 203078045U CN 201220751732 CN201220751732 CN 201220751732 CN 201220751732 U CN201220751732 U CN 201220751732U CN 203078045 U CN203078045 U CN 203078045U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust
- detachable
- receiving plate
- blackboard 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.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a detachable blackboard which comprises a blackboard body and a dust receiving plate connected with the lower portion of the blackboard body, wherein detachable plates connected with the blackboard body are arranged on two sides of the dust receiving plate, each detachable plate is L-shaped, protrusions are arranged at two ends of each detachable plate, and concave holes adapted to the protrusions are formed in the blackboard body and the two sides of the dust receiving plate. According to the design, the detachable blackboard is simple in structure, low in cost, convenient to use and practical, the dust receiving plate on the lower portion of the blackboard body is detachable, chalk dust cleaning is benefited, dust pollution is reduced, and the dust is prevented from damaging bodies of teachers and students.
Description
Technical field
The utility model relates to a kind of daily teaching articles for use, especially relates to the blackboard that a kind of blackboard lower edge can be dismantled.
Background technology
People are in teaching process, and blackboard is a kind of important educational aid, and the lower edge of blackboard is used for putting chalk and connects chalk dust.But the cleaning of chalk dust is very inconvenient, does not clear up chalk dust for a long time, is easy to pollute the environment in classroom, and healthy generation of teachers and students endangered.
The utility model content
The utility model proposes in order to overcome above shortcoming, its objective is the blackboard that a kind of blackboard of design lower edge can be dismantled.
The utility model is realized by following technical scheme.
A kind of dismounting blackboard comprises the dust-receiving plate that blackboard and its underpart connect, and the both sides of dust-receiving plate are provided with the stripper that is connected with blackboard, and stripper is L-shaped, is provided with projection at the two ends of stripper, and the both sides of blackboard and dust-receiving plate are provided with the shrinkage pool that adapts with projection.
Advantage of the present utility model and good effect are: simple in structure, cost is low, and is convenient and practical, and the dust-receiving plate of blackboard bottom is detachable, helps cleaning chalk dust, reduces the pollution of dust, prevents the health harm of dust to teachers and students.
Description of drawings
Fig. 1 is the structural representation of dismounting blackboard;
Fig. 2 is the side structure schematic diagram of dismounting blackboard;
Fig. 3 is the side structure schematic diagram of blackboard and lower edge;
Fig. 4 is the structural representation of stripper.
Critical piece explanation in the accompanying drawing:
1 blackboard, 2 dust-receiving plates
3 strippers, 4 projectioies
5 shrinkage pools
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of dismounting blackboard, comprise the dust-receiving plate 2 that blackboard 1 and its underpart connect, the both sides of dust-receiving plate 2 are provided with the stripper 3 that is connected with blackboard 1, stripper 3 is L-shaped, be provided with projection 4 at the two ends of stripper 3, the both sides of blackboard 1 and dust-receiving plate 2 are provided with and projection 4 shrinkage pools that adapt 5.
Claims (1)
1. dismantle blackboard for one kind, comprise the dust-receiving plate (2) that blackboard (1) and its underpart connect, it is characterized in that: the both sides of dust-receiving plate (2) are provided with the stripper (3) that is connected with blackboard (1), stripper (3) is L-shaped, be provided with projection (4) at the two ends of stripper (3), the both sides of blackboard (1) and dust-receiving plate (2) are provided with the shrinkage pool (5) that adapts with projection (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751732 CN203078045U (en) | 2012-12-31 | 2012-12-31 | Detachable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220751732 CN203078045U (en) | 2012-12-31 | 2012-12-31 | Detachable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078045U true CN203078045U (en) | 2013-07-24 |
Family
ID=48823913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220751732 Expired - Fee Related CN203078045U (en) | 2012-12-31 | 2012-12-31 | Detachable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130611A (en) * | 2018-09-13 | 2019-01-04 | 安徽倍思特教育科技有限公司 | A kind of primary school education teaching auxiliary device and its operating process |
-
2012
- 2012-12-31 CN CN 201220751732 patent/CN203078045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130611A (en) * | 2018-09-13 | 2019-01-04 | 安徽倍思特教育科技有限公司 | A kind of primary school education teaching auxiliary device and its operating process |
| CN109130611B (en) * | 2018-09-13 | 2021-03-19 | 安徽倍思特教育科技有限公司 | Primary school education and teaching auxiliary device and operation flow thereof |
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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: 20130724 Termination date: 20131231 |