CN201979964U - Dust removing blackboard eraser - Google Patents
Dust removing blackboard eraser Download PDFInfo
- Publication number
- CN201979964U CN201979964U CN2011200073589U CN201120007358U CN201979964U CN 201979964 U CN201979964 U CN 201979964U CN 2011200073589 U CN2011200073589 U CN 2011200073589U CN 201120007358 U CN201120007358 U CN 201120007358U CN 201979964 U CN201979964 U CN 201979964U
- Authority
- CN
- China
- Prior art keywords
- handle
- dust
- blackboard eraser
- water
- water outlet
- 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 utility model relates to a dust removing blackboard eraser, which belongs to a teaching tool and mainly solves the problem of dust flying when the traditional blackboard eraser is used. The dust removing blackboard eraser comprises a handle and an eraser head and is characterized in that a water storage cabin and a battery cabin are arranged inside the handle, a water filling opening is arranged on the water storage cabin, a piston is arranged inside the water storage cabin and is connected with a driving motor, a connecting part of the eraser head and the handle is provided with a water outlet communicated with the water storage cabin, the side surface of the handle is provided with a water outlet press button, and the water outlet press button, the battery cabin and the driving motor are electrically connected. The dust removing blackboard eraser effectively solves the problem of dust flying during blackboard erasing, and the harm to the body health of teachers and students working and studying in a classroom for a long time caused by chalk dust is reduced.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of dust-removing blackboard eraser.
Background technology
Class hour on to the student, teacher can erase the board every now and then, following class hour, the student on duty classmate also will erase the board, chalk powder will drop on one after another teacher and classmates on hand and on one's body, the dust that flies upward also can be inhaled in the lung, because the specific physical performance of chalk, this can cause very big injury to health, the pneumoconiosis and the various acute and chronic breathing problem that cause as dust, dust can also bring out other disease to the injury of eyes, ear, skin, to the influence of air quality and to influence of myopia or the like.If a kind of blackboard eraser that prevents dust from flying can be arranged, will be useful especially to teacher and classmates' physical and mental health.
The utility model content
The purpose of this utility model is to provide a kind of dust-removing blackboard eraser, and this blackboard eraser can absorb the dust that causes when blackboard eraser uses, and effectively avoids and reduce harm that dust from flying causes human body and to the pollution of environment.
The technical scheme in the invention for solving the technical problem is: a kind of dust-removing blackboard eraser, and comprise handle and wipe head, it is characterized in that, described handle inside is provided with water storehouse and battery compartment, water storehouse is provided with water filling port, and water storehouse inside is provided with a piston, and piston is connected with drive motors; Wipe head and be provided with the delivery port that communicates with water storehouse with the junction of handle, the side of handle is provided with the water outlet button, is electrically connected between water outlet button, battery compartment and the drive motors.
The beneficial effects of the utility model are: can water storages in the handle of blackboard eraser, can be thereby wipe head by the moistening dust that reduces erase the board the time, and simple to operate, effectively avoid and reduce harm that dust from flying causes human body and to the pollution of environment.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Among the figure: 1 handle, 2 wipe head, 3 water outlet buttons, 4 delivery ports.
The specific embodiment
As shown in Figure 1.A kind of dust-removing blackboard eraser comprises handle 1 and wipes 2 that described handle 1 inside is provided with water storehouse and battery compartment, and water storehouse is provided with water filling port, and water storehouse inside is provided with a piston, and piston is connected with drive motors; Wipe 2 and be provided with the delivery port 4 that communicates with water storehouse with the junction of handle 1, the side of handle 1 is provided with water outlet button 3, is electrically connected between water outlet button 3, battery compartment and the drive motors.
In the water storehouse of handle 1, inject water before using, during use, push the water outlet button 3 of handle 1 side, the drive motors energising of piston starts makes piston move, hydraulic pressure increases the water makes in the water storehouse and flows out from delivery port 4, will wipe 2 moistening with the minimizing dust from flying; Wipe 2 moisteningly after appropriate level, unclamp water outlet button 3, the drive motors dead electricity of piston, the piston stop motion, delivery port 4 stops water outlet.The utility model has reduced the chalk dust that flies upward when erasing the board effectively, and can control water yield, and is easy to use, plays a positive role for the healthy of teachers and students.
Claims (1)
1. a dust-removing blackboard eraser comprises handle and wipes head, and it is characterized in that described handle inside is provided with water storehouse and battery compartment, water storehouse is provided with water filling port, and water storehouse inside is provided with a piston, and piston is connected with drive motors; Wipe head and be provided with the delivery port that communicates with water storehouse with the junction of handle, the side of handle is provided with the water outlet button, is electrically connected between water outlet button, battery compartment and the drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200073589U CN201979964U (en) | 2011-01-12 | 2011-01-12 | Dust removing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200073589U CN201979964U (en) | 2011-01-12 | 2011-01-12 | Dust removing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979964U true CN201979964U (en) | 2011-09-21 |
Family
ID=44607432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200073589U Expired - Fee Related CN201979964U (en) | 2011-01-12 | 2011-01-12 | Dust removing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070901A (en) * | 2013-03-27 | 2014-10-01 | 夏程 | Steam-injection chalk dust brush |
-
2011
- 2011-01-12 CN CN2011200073589U patent/CN201979964U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070901A (en) * | 2013-03-27 | 2014-10-01 | 夏程 | Steam-injection chalk dust brush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120112 |