CN201895500U - Blackboard - Google Patents
Blackboard Download PDFInfo
- Publication number
- CN201895500U CN201895500U CN2010205782820U CN201020578282U CN201895500U CN 201895500 U CN201895500 U CN 201895500U CN 2010205782820 U CN2010205782820 U CN 2010205782820U CN 201020578282 U CN201020578282 U CN 201020578282U CN 201895500 U CN201895500 U CN 201895500U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- groove
- chalk dust
- teacher
- 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 blackboard and belongs to the field of teaching aids. The blackboard comprises a blackboard body, a runner is fixedly arranged on the upper portion of the blackboard body transversely, an air blower is arranged on the runner, and a sealed groove which extends outside the blackboard body is arranged on the lower portion of the blackboard body. The blackboard is simple in structure and convenient in use. The air blower can be opened for fast drying the blackboard after the blackboard is cleaned by a student with wet rag during the break, and accordingly, teaching progress of a teacher cannot be affected. Further, water filled in the groove can prevent chalk dust dropping when the teacher writes from flying again after the chalk dust falls into the water groove, and thereby influence on health of teachers and students, which is caused by the chalk dust, can be prevented.
Description
Technical field
The utility model relates to a kind of teaching aid, and particularly a kind of new type blackboard belongs to the teaching aid field.
Background technology
At present, blackboard is as a kind of teaching aid, be widely used in all kinds of schools, teacher imparts knowledge to students by submitting a written statement to a higher authority to write at blackboard, but when teacher writes with chalk, chalk dust down wafts, and therefore, often is provided with the saddle that stretches out in the lower edge of blackboard, in order to catch the chalk dust under wafing, but owing to being subjected to the wind that natural wind or classmate and teacher walk about and bring, chalk dust is kicked up once again, be polluted classroom environment, influence teacher and student's health, in addition, all need after class writing is wiped clean, so that use once again, mainly contain with blackboard eraser wiping and wet cloth wiping dual mode, when cleaning blackboard with blackboard eraser, can make a lot of chalk dusts swim in the air, and then harm teacher and student's health, when using wet cloth that writing is wiped, the blackboard that is cleaned can not be air-dry fast, influences teaching speed, and is not ideal.
The utility model content
At above-mentioned the deficiencies in the prior art part, the utility model provides a kind of blackboard, can effectively solve the problem that above-mentioned prior art exists.
To achieve these goals, the technical solution adopted in the utility model is: a kind of blackboard comprises the blackboard body, laterally be provided with fixed rack in the blackboard upper part of body, on slide rail, be provided with hair-dryer, be provided with the groove that stretches out described blackboard body and sealing in the bottom of blackboard body.
As preferably, described hair-dryer is connected with power supply by lead.
As preferably, offer osculum and corresponding with it stopple in the bottom of described groove one side.
Compared with prior art, the beneficial effect that this utility model is brought is: this utility model is simple in structure, and convenient the use is after the break student cleans blackboard with wet cloth, can open hair-dryer, make the blackboard can be air-dry fast, guarantee that teacher's teaching speed is unaffected, in addition, the water of in groove, packing into, make the chalk dust that when teacher writes, falls down after falling into groove, can not kick up once again, thereby prevent that chalk dust from impacting teacher and student's health.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
In the accompanying drawing: 1-blackboard body, 2-slide rail, 3-hair-dryer, 31-lead, 4-groove, 41-osculum, 42-stopple.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, as a kind of embodiment of the present utility model, this a kind of blackboard comprises blackboard body 1, upper lateral at blackboard body 1 is provided with fixed rack 2, on slide rail 2, be provided with hair-dryer 3, described hair-dryer 3 is connected with power supply by lead 31, is provided with the groove 4 that stretches out described blackboard body 1 and sealing in the bottom of blackboard body 1, offers osculum 41 and corresponding with it stopple 42 in the bottom of described groove 4 side.
After using wet cloth to clean blackboard, can open hair-dryer 3, make the blackboard can be air-dry fast, guarantee that teacher's teaching speed is unaffected, in addition, at 4 li water of packing into of groove, make the chalk dust that when teacher writes, falls down after falling into groove 3, can not kick up once again, thereby prevent that chalk dust from impacting teacher and student's health, the setting of osculum 41 makes things convenient for groove 4 to use when needs change water.
Claims (3)
1. blackboard, comprise blackboard body (1), it is characterized in that: the upper lateral at blackboard body (1) is provided with fixed rack (2), is provided with hair-dryer (3) on slide rail (2), is provided with the groove (4) that stretches out described blackboard body (1) and sealing in the bottom of blackboard body (1).
2. a kind of blackboard according to claim 1 is characterized in that: described hair-dryer (3) is connected with power supply by lead (31).
3. a kind of blackboard according to claim 1 is characterized in that: offer osculum (41) and corresponding with it stopple (42) in the bottom of described groove (a 4) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205782820U CN201895500U (en) | 2010-10-15 | 2010-10-15 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205782820U CN201895500U (en) | 2010-10-15 | 2010-10-15 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201895500U true CN201895500U (en) | 2011-07-13 |
Family
ID=44253416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205782820U Expired - Fee Related CN201895500U (en) | 2010-10-15 | 2010-10-15 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201895500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739697A (en) * | 2017-02-07 | 2017-05-31 | 叶潇 | A kind of Accounting Course blackboard rapidly and efficiently wiping arrangement |
-
2010
- 2010-10-15 CN CN2010205782820U patent/CN201895500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739697A (en) * | 2017-02-07 | 2017-05-31 | 叶潇 | A kind of Accounting Course blackboard rapidly and efficiently wiping arrangement |
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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: 20110713 Termination date: 20111015 |