CN204278847U - Dust-absorbing blackboard - Google Patents
Dust-absorbing blackboard Download PDFInfo
- Publication number
- CN204278847U CN204278847U CN201420646057.4U CN201420646057U CN204278847U CN 204278847 U CN204278847 U CN 204278847U CN 201420646057 U CN201420646057 U CN 201420646057U CN 204278847 U CN204278847 U CN 204278847U
- Authority
- CN
- China
- Prior art keywords
- dust
- holding tank
- exhaust apparatus
- blackboard
- utility
- 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 relates to a kind of teaching equipment, particularly relates to a kind of dust-absorbing blackboard.Wherein: comprise a blackboard body, described blackboard body lower end arranges a holding tank, arranges a dust exhaust apparatus in described holding tank.Compared with prior art, the utility model has the advantages that: owing to being provided with dust exhaust apparatus in holding tank, when writing or embrocate letter written with chalk, a large amount of dust can be inhaled into and enter in holding tank, can effectively reduce dust from flying phenomenon.
Description
Technical field
The utility model relates to a kind of teaching equipment, particularly relates to a kind of dust-absorbing blackboard.
Background technology
Prior art blackboard panel is shiny surface, can produce more dust, affect teachers and students healthy when writing and embrocate letter written with chalk, and easily reflective, and the student being positioned at reflecting angle does not see blackboard.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of dust-absorbing blackboard, and wherein: comprise a blackboard body, described blackboard body lower end arranges a holding tank, arranges a dust exhaust apparatus in described holding tank.
Further, described holding tank upper end arranges one with the baffle plate of several perforates.
Further, described dust exhaust apparatus comprises a motor.
Further, described dust exhaust apparatus also comprises a gauge tap, and described gauge tap connects the control end of described motor.
Compared with prior art, the utility model has the advantages that: owing to being provided with dust exhaust apparatus in holding tank, when writing or embrocate letter written with chalk, a large amount of dust can be inhaled into and enter in holding tank, can effectively reduce dust from flying phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
As shown in Figure 1, comprise a blackboard body 1, described blackboard body 1 lower end arranges a holding tank 2, in described holding tank 2, arrange a dust exhaust apparatus.Owing to being provided with dust exhaust apparatus in holding tank 2, when writing or embrocate letter written with chalk, a large amount of dust can be inhaled into and enter in holding tank 2, can effectively reduce dust from flying phenomenon.
Further, described holding tank 2 upper end arranges one with the baffle plate 3 of several perforates 31.
Further, described dust exhaust apparatus comprises a motor.
Further, described dust exhaust apparatus also comprises a gauge tap, and described gauge tap connects the control end of described motor.
The foregoing is only the utility model preferred embodiment; not thereby embodiment of the present utility model and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilization the utility model descriptions and diagramatic content and apparent change obtain in protection domain of the present utility model.
Claims (4)
1. a dust-absorbing blackboard, is characterized in that: comprise a blackboard body, and described blackboard body lower end arranges a holding tank, arranges a dust exhaust apparatus in described holding tank.
2. dust-absorbing blackboard according to claim 1, is characterized in that: described holding tank upper end arranges one with the baffle plate of several perforates.
3. dust-absorbing blackboard according to claim 1, is characterized in that: described dust exhaust apparatus comprises a motor.
4. dust-absorbing blackboard according to claim 3, is characterized in that: described dust exhaust apparatus also comprises a gauge tap, and described gauge tap connects the control end of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646057.4U CN204278847U (en) | 2014-10-30 | 2014-10-30 | Dust-absorbing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646057.4U CN204278847U (en) | 2014-10-30 | 2014-10-30 | Dust-absorbing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204278847U true CN204278847U (en) | 2015-04-22 |
Family
ID=52862039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420646057.4U Expired - Fee Related CN204278847U (en) | 2014-10-30 | 2014-10-30 | Dust-absorbing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204278847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
-
2014
- 2014-10-30 CN CN201420646057.4U patent/CN204278847U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106218272B (en) * | 2016-08-29 | 2017-12-22 | 彭展忠 | Teaching dust arrester installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |