CN204222488U - A kind of blackboard for teaching swab - Google Patents
A kind of blackboard for teaching swab Download PDFInfo
- Publication number
- CN204222488U CN204222488U CN201420608116.9U CN201420608116U CN204222488U CN 204222488 U CN204222488 U CN 204222488U CN 201420608116 U CN201420608116 U CN 201420608116U CN 204222488 U CN204222488 U CN 204222488U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- housing
- slide rail
- cleaning device
- teaching
- 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
Links
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- Cleaning In General (AREA)
Abstract
There is the problem of wiping and sweeping inconvenience in fixed blackboard, wipes when sweeping and easily cause dust from flying, stimulate the respiratory system of Faculty and Students, the problem that same existence damages, maintenance cost is high.The utility model blackboard for teaching swab comprises blackboard, slide rail, cleaning device, described blackboard top and bottom correspondence is provided with slide rail, cleaning device to be arranged at outside blackboard and to be movably connected on slide rail by interior axle, cleaning device comprises rub piece, interior axle, housing, other surfaces are closure designs, interior axle is provided with the rub piece of arc, housing tip is laterally provided with air port, axle in handle the inner connects, the utility model, by promoting housing along blackboard transverse shifting, can choose at random optional position in blackboard and wipe clearly; In moving process, air-flow enters enclosure interior by aperture, blows dust and falls to dust box, avoid dust from flying.
Description
Technical field
The utility model belongs to teaching aid field, is specifically related to a kind of blackboard for teaching swab.
Background technology
Along with the progress of multimedia teaching, in primary school and middle school teaching, increasing laser pen and the Push-pull blackboard of using is imparted knowledge to students, laser pen have volume little, use feature flexibly, but cost is high and students in middle and primary schools point to the shortcoming of point tracking ability to laser pen, and result of use is not good; Push-pull blackboard is fragile, maintenance cost is high, and fixed blackboard exists the problem of wiping and sweeping inconvenience, wipes when sweeping and easily causes dust from flying, stimulate the respiratory system of Faculty and Students, the problem that same existence damages, maintenance cost is high.
Summary of the invention
The utility model technical approach taked that solves the problem is:
A kind of blackboard for teaching swab, comprise blackboard, slide rail, cleaning device, it is characterized in that, described blackboard top and bottom correspondence is provided with slide rail, cleaning device to be arranged at outside blackboard and to be movably connected on slide rail by interior axle, cleaning device comprises rub piece, interior axle, housing, housing towards blackboard side for opening design, other surfaces are for closure designs, interior axle is provided with the rub piece of arc, housing tip is laterally provided with air port, be provided with dust box below enclosure interior, below hull outside, be provided with handle, axle in handle the inner connects.
Preferably, described dust box is flexibly connected with housing.
Preferably, described housing side is provided with chalk holder.
The utility model is by promoting housing along blackboard transverse shifting, and arc rub piece is close to the movement of blackboard surface with the movement of housing, and then wipes writing; Opening and pressing lower handle by lifting, the contact relation of rub piece and blackboard on interior axle can be controlled, arbitrarily can control rub piece and optional position in blackboard is wiped clearly; In moving process, air-flow enters enclosure interior by aperture, blows dust and falls to dust box, avoid dust from flying.The simple cost of the utility model structure is low, function-stable, erases the board clearly time saving and energy saving, and clean hygiene pollutes little.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
In figure, 1-slide rail, axle in 2-, 3-rub piece, 4-blackboard, 5-dust box, 6-housing, 7-handle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail below,
As shown in drawings, a kind of blackboard for teaching swab, when needing the chalk writing wiped on blackboard, presses handle, and rub piece tightly invests blackboard surface, promotes housing along blackboard transverse shifting, and rub piece is close to the movement of blackboard surface with the movement of housing, and then wipes writing; By controlling handrail, optional position in blackboard can be chosen at random and wipe clearly; In moving process, air-flow enters enclosure interior by aperture, blows dust and falls to dust box, avoid dust from flying.
Claims (3)
1. a blackboard for teaching swab, comprise blackboard, slide rail, cleaning device, it is characterized in that, described blackboard top and bottom correspondence is provided with slide rail, cleaning device to be arranged at outside blackboard and to be movably connected on slide rail by interior axle, cleaning device comprises rub piece, interior axle, housing, housing towards blackboard side for opening design, other surfaces are for closure designs, interior axle is provided with the rub piece of arc, housing tip is laterally provided with air port, be provided with dust box below enclosure interior, below hull outside, be provided with handle, axle in handle the inner connects.
2. a kind of blackboard for teaching swab according to claim 1, it is characterized in that, described dust box is flexibly connected with housing.
3. a kind of blackboard for teaching swab according to claim 1, is characterized in that, described housing side is provided with chalk holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608116.9U CN204222488U (en) | 2014-10-19 | 2014-10-19 | A kind of blackboard for teaching swab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608116.9U CN204222488U (en) | 2014-10-19 | 2014-10-19 | A kind of blackboard for teaching swab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222488U true CN204222488U (en) | 2015-03-25 |
Family
ID=52920618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420608116.9U Expired - Fee Related CN204222488U (en) | 2014-10-19 | 2014-10-19 | A kind of blackboard for teaching swab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204222488U (en) |
-
2014
- 2014-10-19 CN CN201420608116.9U patent/CN204222488U/en not_active Expired - Fee Related
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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: 20150325 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |