CN2219216Y - Blackboard eraser with means for absorbing chalk dust - Google Patents
Blackboard eraser with means for absorbing chalk dust Download PDFInfo
- Publication number
- CN2219216Y CN2219216Y CN 95210622 CN95210622U CN2219216Y CN 2219216 Y CN2219216 Y CN 2219216Y CN 95210622 CN95210622 CN 95210622 CN 95210622 U CN95210622 U CN 95210622U CN 2219216 Y CN2219216 Y CN 2219216Y
- Authority
- CN
- China
- Prior art keywords
- dust
- housing
- blackboard eraser
- storage chamber
- suction opening
- 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 blackboard eraser with means for absorbing chalk dust, which is characterized in that a mini motor in a casing drives blades and an erasing head to rotate, in order to make the dust be absorbed into a dust storing chamber through the air conduit in the casing and then respectively process the air exhaustion and the dust exhaustion. The technique solves the problem that the dust nuisance affects the health of the teachers and the students and the environment sanitation, so the utility model is suitable for schools.
Description
The utility model relates to a kind of blackboard eraser.
Comrade teacher comes into contacts with chalk every day, and the chalk foam flies upward when erasing the board, and sucks lung, has an aptitude to PUD D.
The purpose of this utility model is: design a kind of ash-collecting blackboard eraser, and healthy in order to protect the educator's.
The technical solution of the utility model is: a kind of ash-collecting blackboard eraser, have housing and wipe head, it is characterized in that: air suction opening, vent and dust discharge lid are arranged on the housing, micromachine is housed in the housing, fan and wiping head are divided in the air suction opening both sides of housing, with motor coaxle, are provided with dust-storage chamber in the housing, on the air channel between dust-storage chamber and the air suction opening dust-proof plate is arranged, filter dirt dividing plate is arranged between dust-storage chamber and the vent.
The power switch of present technique is located at surface of shell, when connecting power switch, machine operation, coaxial wiping head and fan rotation, the chalk foam wiped of erasing the board is sucked the air channel of housing by air suction opening by fan, enters dust-storage chamber thereupon, separates wind and dirt through filter dirt dividing plate, by the exhaust outlet air draft, by the dust discharge of dust discharge lid.Use this blackboard eraser advantage to be, can make erases the board does not have dust from flying, and it is healthy to help teachers and students, helps keeping environmental sanitation, also make erase the board laborsaving.
Below in conjunction with description of drawings embodiment of the present utility model.
Accompanying drawing is the structural representation of the utility model dust absorption blackboard eraser.
Among the figure: air suction opening (3) is arranged on the housing (8), vent (18), dust discharge lid (14), there is power switch (9) on housing (8) surface.Micromachine (7) and the battery that is connected (10) are housed in the housing, also are provided with air channel (12), there is dust-proof plate (11) in dust-storage chamber (13) on the air channel, and it can prevent that dust from flowing backwards.There is dust discharge lid (14) to be fixed on the housing (8) below the dust-storage chamber (13) by screw (15), filter dirt dividing plate (16) is arranged between dust-storage chamber and the vent (18), fan (5) is contained on the motor output shaft (4) of air suction opening (3) outside, wiping head (2) is contained on the motor output shaft (4) of air suction opening (3) outside, dust ring (6) is arranged on the motor output shaft, can prevent that dust from entering in the motor casing.On the housing spring catch konisphere (1) is housed on every side at wiping head (2), its telescopic action can prevent that the dust of wiping from not dropping on the outside.The power supply of present technique can be the power supply that adopts two batteries, also can be external power supply.
Claims (1)
1, a kind of ash-collecting blackboard eraser, have housing and wipe head, it is characterized in that: air suction opening, vent and dust discharge lid are arranged on the housing, micromachine is housed in the housing, fan and wiping head are contained in the air suction opening both sides of housing, with motor coaxle, are provided with dust-storage chamber in the housing, on the air channel between dust-storage chamber and the air suction opening dust-proof plate is arranged, filter dirt dividing plate is arranged between dust-storage chamber and the vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210622 CN2219216Y (en) | 1995-04-26 | 1995-04-26 | Blackboard eraser with means for absorbing chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95210622 CN2219216Y (en) | 1995-04-26 | 1995-04-26 | Blackboard eraser with means for absorbing chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2219216Y true CN2219216Y (en) | 1996-02-07 |
Family
ID=33861291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95210622 Expired - Fee Related CN2219216Y (en) | 1995-04-26 | 1995-04-26 | Blackboard eraser with means for absorbing chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2219216Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015530A (en) * | 2014-06-18 | 2014-09-03 | 华南农业大学 | Motor-driven dust-free chalk eraser |
| CN106114016A (en) * | 2016-08-09 | 2016-11-16 | 安徽工程大学机电学院 | Blackboard eraser |
| CN106826440A (en) * | 2016-12-25 | 2017-06-13 | 重庆宜居门业有限公司 | Timber sanding apparatus |
| CN110217021A (en) * | 2019-06-03 | 2019-09-10 | 合肥状元郎电子科技有限公司 | A kind of combined intelligent touch-control blackboard and its application method |
-
1995
- 1995-04-26 CN CN 95210622 patent/CN2219216Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015530A (en) * | 2014-06-18 | 2014-09-03 | 华南农业大学 | Motor-driven dust-free chalk eraser |
| CN106114016A (en) * | 2016-08-09 | 2016-11-16 | 安徽工程大学机电学院 | Blackboard eraser |
| CN106826440A (en) * | 2016-12-25 | 2017-06-13 | 重庆宜居门业有限公司 | Timber sanding apparatus |
| CN110217021A (en) * | 2019-06-03 | 2019-09-10 | 合肥状元郎电子科技有限公司 | A kind of combined intelligent touch-control blackboard and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |