CN201511700U - Blackboard - Google Patents
Blackboard Download PDFInfo
- Publication number
- CN201511700U CN201511700U CN2009203101653U CN200920310165U CN201511700U CN 201511700 U CN201511700 U CN 201511700U CN 2009203101653 U CN2009203101653 U CN 2009203101653U CN 200920310165 U CN200920310165 U CN 200920310165U CN 201511700 U CN201511700 U CN 201511700U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- small
- rectangle
- utility
- blackboards
- 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
A blackboard comprises a fixed rectangular blackboard, and small blackboards respectively connected with both sides of the rectangular blackboard through hinges. The conventional fixed blackboard has small capacity, so that teachers usually carry a small blackboard, which is inconvenient. In addition, the small blackboard hung on the fixed blackboard is easy to drop out, and is difficult for students to see the handwritings thereon and can generate glare in dim places, which are bad to the eyesight of students. The blackboard of the utility has the advantages of improvement on capacity of the blackboard, convenient use, and no needs for carrying other small blackboards, and the angle of the small blackboards can be adjusted to prevent glare.
Description
Technical field
The utility model relates to a kind of educational aid, is specifically related to a kind of blackboard.
Background technology
Blackboard is a teaching aid the most frequently used in teaching process, traditional type blackboard commonly used at present is fixed mostly, the size of its working face is decided according to the blackboard specification, the size of blackboard specification is again to determine according to position that blackboard is installed and practical place, and the specification of blackboard is in case determine that the size of its working face also can't change again, sometimes the content said of teacher's one class is too many, the capacity of traditional fixedly blackboard uses inadequately, and the teacher will carry a small blackboard in addition, and is very inconvenient.Moreover small blackboard is very easy to again when hanging.In addition, during dim light, the writing of blackboard is not easy to see clearly, can produce dazzle, and is very unfavorable to student's eyesight.
Summary of the invention
The utility model provides a kind of blackboard, to overcome the not enough shortcoming of the fixed blackboard space of a whole page that prior art exists.
The technical solution adopted in the utility model is:
A kind of blackboard comprises a fixing rectangle blackboard, fixedly side, rectangle blackboard both sides respectively hinge be connected with a small blackboard.
Advantage of the present utility model is: expanded the space of a whole page of blackboard, can suitably adjust the angle of small blackboard, prevented dazzle.Easy to use, teacher does not need to carry small blackboard.
Description of drawings
Fig. 1 writes the structural representation in small blackboard front for the utility model;
Fig. 2 writes the structural representation at the small blackboard back side for the utility model;
1-is the rectangle blackboard fixedly, the 2-small blackboard;
The specific embodiment
Below in conjunction with the specific embodiment the utility model is described.
As shown in Figure 1: the utility model provides a kind of blackboard, comprises a fixing rectangle blackboard 1 and be positioned at the fixedly small blackboard 2 of rectangle blackboard 1 both sides.Fixedly rectangle blackboard 1 both sides and small blackboard 2 are connected through the hinge.Be a teacher on class content more for a long time, write fixedly rectangle blackboard 1, can continue to write in fixing small blackboard 2 fronts of rectangle blackboard both sides.In order to prevent dazzle, can also suitably adjust small blackboard 2 with respect to the fixing angle of rectangle blackboard 1.As shown in Figure 2: if write the complete primary school blackboard 2 front spaces of a whole page, teacher can directly be turned to small blackboard 2 fixedly on the rectangle blackboard 1, directly continues to write at small blackboard 2 back sides.
Claims (1)
1. blackboard comprises a fixing rectangle blackboard (1), and it is characterized in that: described fixedly rectangle blackboard (1) side, both sides hinge respectively is connected with a small blackboard (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203101653U CN201511700U (en) | 2009-09-11 | 2009-09-11 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203101653U CN201511700U (en) | 2009-09-11 | 2009-09-11 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201511700U true CN201511700U (en) | 2010-06-23 |
Family
ID=42483104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203101653U Expired - Fee Related CN201511700U (en) | 2009-09-11 | 2009-09-11 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201511700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589857A (en) * | 2014-11-30 | 2015-05-06 | 陈伟群 | Folding blackboard |
| US10386856B2 (en) | 2017-06-29 | 2019-08-20 | Uber Technologies, Inc. | Autonomous vehicle collision mitigation systems and methods |
-
2009
- 2009-09-11 CN CN2009203101653U patent/CN201511700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589857A (en) * | 2014-11-30 | 2015-05-06 | 陈伟群 | Folding blackboard |
| US10386856B2 (en) | 2017-06-29 | 2019-08-20 | Uber Technologies, Inc. | Autonomous vehicle collision mitigation systems and methods |
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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: 20100623 Termination date: 20120911 |