CN204278847U - Dust-absorbing blackboard - Google Patents

Dust-absorbing blackboard Download PDF

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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
Application number
CN201420646057.4U
Other languages
Chinese (zh)
Inventor
王欣睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhabei District Hetian Road Primary School
Original Assignee
Shanghai Zhabei District Hetian Road Primary School
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Zhabei District Hetian Road Primary School filed Critical Shanghai Zhabei District Hetian Road Primary School
Priority to CN201420646057.4U priority Critical patent/CN204278847U/en
Application granted granted Critical
Publication of CN204278847U publication Critical patent/CN204278847U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Dust-absorbing blackboard
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.
CN201420646057.4U 2014-10-30 2014-10-30 Dust-absorbing blackboard Expired - Fee Related CN204278847U (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106218272A (en) * 2016-08-29 2016-12-14 彭展忠 Teaching dust arrester installation

Cited By (2)

* Cited by examiner, † Cited by third party
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