CN200974414Y - Dust-absorbing type blackboard eraser - Google Patents
Dust-absorbing type blackboard eraser Download PDFInfo
- Publication number
- CN200974414Y CN200974414Y CN 200620094213 CN200620094213U CN200974414Y CN 200974414 Y CN200974414 Y CN 200974414Y CN 200620094213 CN200620094213 CN 200620094213 CN 200620094213 U CN200620094213 U CN 200620094213U CN 200974414 Y CN200974414 Y CN 200974414Y
- Authority
- CN
- China
- Prior art keywords
- dust
- motor
- air duct
- wind drum
- blackboard eraser
- 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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Abstract
The device is a blackboard brush, which includes a brush, a wind drum, a motor, an impeller, a battery set and a dust bag. The brush is fixed at front port of the wind drum; the motor is arranged inside of the wind drum. The impeller is arranged at the front end of the motor shaft. The wind drum is fixed with a handle; the battery is installed inside of the handle; the battery is connected with the motor inside of the wind drum through a wire. The rear end of the wind drum is provided with dust bag. The utility model has advantages of simple structure, easy operation, good effect of dust suction, which can make environment of teachers more environment-friendly so as to avoid teachers form suffering pharyngitis or pulmonary disease due to sucking dust.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly relates to a kind of blackboard eraser that can inhale dust.
Background technology
Known blackboard eraser can play the effect of wiping dust from blackboard, and can't solve the problem of dust pollution.The Main Ingredients and Appearance of chalk is chemical substances such as calcium hydroxide, and is harmful.Student then at least 9 years, teacher take then that 30 years long-term dust that suck are very unfavorable to student and teacher's physical and mental health, and dust from flying is very unhygienic simultaneously, wipe totally do not write student eyesight more unfavorable.Blackboard eraser that uses and dust-free chalk etc. all can not thoroughly address this problem now.
Summary of the invention
Door of the present utility model provide a kind of improved blackboard eraser, it can play the absorption dust, the clean effect of wiping, thereby solve dust to the pollution of environment with to the harm of human body.
The technical scheme that adopts is:
Ash-collecting blackboard eraser, comprise hairbrush, air duct, motor, impeller, battery pack, dust bag, hairbrush is installed in the front port place of air duct, motor is installed in the air duct, impeller is installed in the front end of motor shaft, is fixedly connected with handle on the air duct, and power-supply battery is installed in the handle, power-supply battery is connected with motor in the air duct by lead, and the rear end of air duct is equiped with the dust bag.
The utlity model has advantages such as simple in structure, easy to use, that pick-up performance is good, can make the environmental protection more of teaching job environment, avoid teacher Yin Chang suction dust and suffer from pharyngitis or tuberculosis.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Ash-collecting blackboard eraser, comprise hairbrush 1, air duct 2, motor 3, impeller 4, battery pack 5, dust bag 6, hairbrush 1 is installed in the front port place of air duct 2, motor 3 is installed in the air duct 2, impeller 4 is installed in the front end of motor shaft, be fixedly connected with handle 7 on the air duct 2, battery pack 5 is installed in the handle 7, and switch 8 is installed on the handle 7.Battery pack 5 is connected by the motor 3 in lead and the air duct 2, and the rear end of air duct 2 is equiped with dust bag 6.
Claims (1)
1, ash-collecting blackboard eraser, comprise hairbrush, air duct, motor, impeller, battery pack, dust bag, it is characterized in that described hairbrush is installed in the front port place of air duct, motor is installed in the air duct, impeller is installed in the front end of motor shaft, is fixedly connected with handle on the air duct, and power-supply battery is installed in the handle, power-supply battery is connected with motor in the air duct by lead, and the rear end of air duct is equiped with the dust bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094213 CN200974414Y (en) | 2006-11-20 | 2006-11-20 | Dust-absorbing type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094213 CN200974414Y (en) | 2006-11-20 | 2006-11-20 | Dust-absorbing type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974414Y true CN200974414Y (en) | 2007-11-14 |
Family
ID=38900707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094213 Expired - Fee Related CN200974414Y (en) | 2006-11-20 | 2006-11-20 | Dust-absorbing type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974414Y (en) |
-
2006
- 2006-11-20 CN CN 200620094213 patent/CN200974414Y/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 | ||
| 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 |