CN204567052U - A kind of environment-friendly novel blackboard collecting chalk dust - Google Patents
A kind of environment-friendly novel blackboard collecting chalk dust Download PDFInfo
- Publication number
- CN204567052U CN204567052U CN201520250676.6U CN201520250676U CN204567052U CN 204567052 U CN204567052 U CN 204567052U CN 201520250676 U CN201520250676 U CN 201520250676U CN 204567052 U CN204567052 U CN 204567052U
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- blackboard
- box
- drawer
- environment
- dust
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Abstract
The utility model relates to a kind of environment-friendly novel blackboard collecting chalk dust, and it is made up of blackboard, box, drawer, wire netting, switch, fan, motor, plug; Box box mouth and centre are provided with wire netting, are divided into two-layer by wire netting, are provided with four small fans and four fractional motors in upper strata, be spaced in the middle of lower floor, front side is open, and the right and left is respectively provided with a drawer, be provided with handle in the middle of drawer outside, on the right side of box, be provided with switch and plug.The utility model can be collected the dust around blackboard in box lower floor drawer, greatly reduces the dust in air, reduces the harm of dust to student and teacher's health.
Description
Technical field
The utility model relates to a kind of environment-friendly novel blackboard collecting chalk dust, especially a kind of environment-friendly novel blackboard collecting chalk dust.
Background technology
Blackboard eraser is the requisite article of classroom and training organization, mostly is square, and primarily of bristle, shell composition, compact, can the writing that writes on the blackboard of wiping teacher, with wiping with putting, very convenient, is that teacher attends class indispensable instrument.
Classroom dust pollution is the killer of teachers and students' health, is one of chronic disease perplexing teachers and students' health for a long time, after dust enters human body, has impact in various degree to lung, respiratory tract, glasses, ear, skin etc.The course that modern student will learn is all a lot, and time at school, teacher usually will say a lot of content, wiping is blackboard many times, a large amount of dust can be produced in the process erased the board, pollute the air in classroom, harmful effect is caused to the health of teacher, front-seat classmate.If design a kind of blackboard inhaling dust, it can be drawn onto together chalk dust, concentrates on below blackboard and collects, and greatly reduces the diffusion of dust like this, reduces the harm of dust to academics and students's health.
Utility model content
In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of environment-friendly novel blackboard collecting chalk dust, it adopts and be provided with box bottom blackboard, box is divided into two-layer by wire netting, small fan and motor is provided with in upper strata, lower floor is provided with two drawers, and side is provided with switch.
The technical scheme adopted to realize the purpose of this utility model is: a kind of environment-friendly novel blackboard collecting chalk dust, is characterized in that: it is made up of blackboard, box, drawer, wire netting, switch, fan, motor, plug; Described box is square, box mouth and centre are provided with square metal net, be divided into two-layer by wire netting, four small fans and four fractional motors are provided with in upper strata, be spaced in the middle of lower floor, front side is open, and the right and left is respectively provided with a drawer, be provided with handle in the middle of drawer outside, on the right side of box, be provided with switch and plug; Described drawer is placed in box bottom, pulls out by handle.
The beneficial effects of the utility model are: the dust around blackboard can be collected in box lower floor drawer, greatly reduce the dust in air, reduce the harm of dust to student and teacher's health.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the utility model structure chart
Fig. 2 is the utility model top view sectional view
Fig. 3 is the utility model right view sectional view
1-blackboard, 2-box, 3-drawer, 4-wire netting, 5-switch, 6-fan, 7-motor, 8-plug in figure.
Detailed description of the invention
In the first embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of environment-friendly novel blackboard collecting chalk dust, is characterized in that: it is made up of blackboard, box, drawer, wire netting, switch, fan, motor, plug; Described box is square, box mouth and centre are provided with square metal net, be divided into two-layer by wire netting, four small fans and four fractional motors are provided with in upper strata, be spaced in the middle of lower floor, front side is open, and the right and left is respectively provided with a drawer, be provided with handle in the middle of drawer outside, on the right side of box, be provided with switch and plug.
In the second embodiment shown in Fig. 1, Fig. 2, Fig. 3, described blackboard is fixing on the wall, is used for writing, facilitates teacher to teach; Described box is fixed on bottom blackboard, and width is larger than blackboard width, is used for installing fan attachment and motor, places drawer, improves security; Described drawer is placed in box bottom, by handle pull-out, outwell the inside dust, be divided into two and conveniently put into and pull out, be used for collect fan suck dust; Described wire netting is used for a fan and motor and box is outside and drawer cuts off, and ensures blackboard security in use; Described switch is used for controlling fan turns and stopping; Described fan can produce suction in rotation process, and the dust around blackboard is attracted in drawer; Described motor is used for as fan work provides electric energy; Described plug is used for connecting external power source, for motor and fan work provide electric energy.
When using the utility model, when needing to erase the board, first plug is connected external power source, then open switch, then use blackboard eraser blackboard wiping, the dust of generation can be attracted in the drawer of box lower floor by fan and collect, reduce the diffusion of dust, dust is filled, and extracts two drawers out respectively, outwells the dust of the inside.
Claims (4)
1. can collect an environment-friendly novel blackboard for chalk dust, it is characterized in that: it is made up of blackboard, box, drawer, wire netting, switch, fan, motor, plug; Described box is square, box mouth and centre are provided with square metal net, be divided into two-layer by wire netting, four small fans and four fractional motors are provided with in upper strata, be spaced in the middle of lower floor, front side is open, and the right and left is respectively provided with a drawer, be provided with handle in the middle of drawer outside, on the right side of box, be provided with switch and plug; Described drawer is placed in box bottom, pulls out by handle.
2. the environment-friendly novel blackboard collecting chalk dust according to claim 1, is characterized in that: described blackboard is fixing on the wall.
3. the environment-friendly novel blackboard collecting chalk dust according to claim 1, is characterized in that: described box is fixed on bottom blackboard, and width is larger than blackboard width.
4. the environment-friendly novel blackboard collecting chalk dust according to claim 1, is characterized in that: described fan can produce suction in rotation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250676.6U CN204567052U (en) | 2015-04-23 | 2015-04-23 | A kind of environment-friendly novel blackboard collecting chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250676.6U CN204567052U (en) | 2015-04-23 | 2015-04-23 | A kind of environment-friendly novel blackboard collecting chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204567052U true CN204567052U (en) | 2015-08-19 |
Family
ID=53859734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520250676.6U Expired - Fee Related CN204567052U (en) | 2015-04-23 | 2015-04-23 | A kind of environment-friendly novel blackboard collecting chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204567052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641205A (en) * | 2019-11-14 | 2020-01-03 | 杨素芳 | Electronic blackboard with automatic blackboard eraser |
| CN112895771A (en) * | 2021-03-30 | 2021-06-04 | 吴佳和 | Blackboard with automatic blackboard eraser |
-
2015
- 2015-04-23 CN CN201520250676.6U patent/CN204567052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641205A (en) * | 2019-11-14 | 2020-01-03 | 杨素芳 | Electronic blackboard with automatic blackboard eraser |
| CN112895771A (en) * | 2021-03-30 | 2021-06-04 | 吴佳和 | Blackboard with automatic blackboard eraser |
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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: 20150819 Termination date: 20160423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |