CN204398701U - Blackboard dust-collector - Google Patents

Blackboard dust-collector Download PDF

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Publication number
CN204398701U
CN204398701U CN201420779295.2U CN201420779295U CN204398701U CN 204398701 U CN204398701 U CN 204398701U CN 201420779295 U CN201420779295 U CN 201420779295U CN 204398701 U CN204398701 U CN 204398701U
Authority
CN
China
Prior art keywords
dust
blackboard
baffle plate
air channel
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
CN201420779295.2U
Other languages
Chinese (zh)
Inventor
俞懿乘
Original Assignee
俞懿乘
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 俞懿乘 filed Critical 俞懿乘
Priority to CN201420779295.2U priority Critical patent/CN204398701U/en
Application granted granted Critical
Publication of CN204398701U publication Critical patent/CN204398701U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of blackboard dust-collector, comprises blackboard, dust catcher, is provided with baffle plate on the downside of blackboard, it is characterized in that: be provided with air channel bottom described baffle plate, on the downside of baffle plate, be provided with through hole, be connected with air channel, the one end in air channel is provided with dust-collecting box, and dust-collecting box is connected with dust catcher.The utility model compared with prior art has significant advantage and beneficial effect: can effectively clean out the dust fallen on blackboard under shield, prevent it from again flying up, and can reclaim dust, health environment-friendly.

Description

Blackboard dust-collector
Technical field
The utility model relates to a kind of blackboard dust-collector.
Background technology
When teachers and students write on blackboard, usually have chalk dust to fall, for a long time like this, easily affect the respiratory health of teachers and students, cause very large healthy hidden danger, the dust dropped on blackboard under shield is difficult to cleaning, often causes dust secondary fly-up during cleaning.In addition, the chalk dust quantity of consumption is a lot of still but well not to be recycled, and these problems above all fail to be well solved.
Summary of the invention
Problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of can the blackboard dust-collector of effective dust adsorption.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of blackboard dust-collector, comprise blackboard, dust catcher, be provided with baffle plate on the downside of blackboard, it is characterized in that: be provided with air channel bottom described baffle plate, be provided with through hole on the downside of baffle plate, be connected with air channel, the one end in air channel is provided with dust-collecting box, and dust-collecting box is connected with dust catcher.
The utility model compared with prior art has significant advantage and beneficial effect: can effectively clean out the dust fallen on blackboard under shield, prevent it from again flying up, and can reclaim dust, health environment-friendly.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Wherein: 1, blackboard, 2, air channel, 3, baffle plate, 4, dust-collecting box, 5, dust catcher.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention, structure, feature and effect thereof of providing according to the utility model, be described in detail as follows.
A kind of blackboard dust-collector as shown in Figure 1, comprises blackboard 1, dust catcher 5, is provided with baffle plate 3 on the downside of blackboard 1, it is characterized in that: be provided with air channel 2 bottom described baffle plate 3, be provided with through hole on the downside of baffle plate, through hole is connected with air channel, the one end in air channel is provided with dust-collecting box 4, and dust-collecting box 4 is connected with dust catcher 5.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.

Claims (1)

1. a blackboard dust-collector, comprises blackboard, dust catcher, is provided with baffle plate on the downside of blackboard, it is characterized in that: be provided with air channel bottom described baffle plate, be provided with through hole on the downside of baffle plate, be connected with air channel, and the one end in air channel is provided with dust-collecting box, and dust-collecting box is connected with dust catcher.
CN201420779295.2U 2014-12-12 2014-12-12 Blackboard dust-collector Expired - Fee Related CN204398701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420779295.2U CN204398701U (en) 2014-12-12 2014-12-12 Blackboard dust-collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420779295.2U CN204398701U (en) 2014-12-12 2014-12-12 Blackboard dust-collector

Publications (1)

Publication Number Publication Date
CN204398701U true CN204398701U (en) 2015-06-17

Family

ID=53422592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420779295.2U Expired - Fee Related CN204398701U (en) 2014-12-12 2014-12-12 Blackboard dust-collector

Country Status (1)

Country Link
CN (1) CN204398701U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106626894A (en) * 2016-12-01 2017-05-10 惠州市斯坦利科技有限公司 Training aid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106626894A (en) * 2016-12-01 2017-05-10 惠州市斯坦利科技有限公司 Training aid

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150617

Termination date: 20151212

EXPY Termination of patent right or utility model