CN202293945U - Dust-catching blackboard eraser - Google Patents
Dust-catching blackboard eraser Download PDFInfo
- Publication number
- CN202293945U CN202293945U CN2011204347408U CN201120434740U CN202293945U CN 202293945 U CN202293945 U CN 202293945U CN 2011204347408 U CN2011204347408 U CN 2011204347408U CN 201120434740 U CN201120434740 U CN 201120434740U CN 202293945 U CN202293945 U CN 202293945U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- micro
- dust
- cleaner
- catching
- 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
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model discloses a dust-catching blackboard eraser, which comprises a blackboard eraser surface (4) with a micro dust catcher, a powder recovery box (3), a battery switch (2) and a battery box (1). The dust-catching blackboard eraser is characterized in that the battery switch (2) is connected with the battery box (1) through a conducting wire and used for controlling the operation or the shutdown of the micro dust catcher of the blackboard eraser surface (4) with the micro dust catcher; and the powder recovery box (3) is detachably arranged on the lower surface of the blackboard eraser surface (4) with the micro dust catcher. The dust-catching blackboard eraser has the beneficial effects that the blackboard eraser has a simple structure, is convenient to use, can simultaneously avoid chalk powder from flying upwards everywhere when a blackboard is erased, and is conductive to the cleanness and the sanitation of a classroom and the physical health of teachers and students.
Description
Technical field
The utility model relates to a kind of blackboard eraser, particularly a kind of dust-free black board eraser.
Background technology
Present many schools cooperate teacher to teach with blackboard, chalk and blackboard eraser; But write when having expired blackboard teacher, erase the board, classmates levy down also and will erase the board; Existing blackboard eraser causes easily when erasing the board and stirs up a cloud of dust, and influences teacher and the classmate is healthy.
Summary of the invention
The utility model is in order to remedy the deficiency of prior art, and a kind of dust absorption blackboard eraser of easy to use, cleaning is provided.
The utility model is realized through following technical scheme: a kind of dust-free black board eraser; Comprise the blackboard eraser face 4, Powder Recovery box 3, cell switch 2, the battery case 1 that have micro-cleaner; It is characterized in that: cell switch 2 wire connected battery boxes 1; Cell switch 2 is controlled the micro-cleaner running of the blackboard eraser face 4 that has micro-cleaner or is stopped, and Powder Recovery box 3 is arranged on the blackboard eraser face 4 following ability dismounting that have micro-cleaner.
The beneficial effect of the utility model is: this blackboard eraser, and simple in structure, easy to use, can avoid a dry linting foam to fly upward simultaneously everywhere erasing the board, be of value to the classroom sanitation and hygiene and the teacher classmate is healthy.
Description of drawings
Accompanying drawing is the structural representation of a kind of dust absorption blackboard eraser of the utility model.
Accompanying drawing indicates: 1 is that battery case 2 is the Powder Recovery box for cell switch 3, and 4 for having the blackboard eraser of micro-cleaner
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of specific embodiment of the utility model.A kind of dust-free black board eraser; Comprise the blackboard eraser face 4, Powder Recovery box 3, cell switch 2, the battery case 1 that have micro-cleaner; It is characterized in that: cell switch 2 wire connected battery boxes 1; Cell switch 2 is controlled the micro-cleaner running of the blackboard eraser face 4 that has micro-cleaner or is stopped, and Powder Recovery box 3 is arranged on the blackboard eraser face 4 following ability dismounting that have micro-cleaner.
When erasing the board, open cell switch, micro-cleaner is started working, and when erasing the board, owing to have micro-cleaner on the blackboard eraser face, when the limit erased the board, the limit had sopped up the chalk foam.Therefore, the beneficial effect of the utility model is that the limit sops up the chalk foam when erasing the board, and the protection classroom environment is pure and fresh, has avoided the chalk foam to fly upward everywhere, and it is healthy to help the teacher classmate.
More than be that a kind of specific embodiment structure that the utility model is provided has been carried out detailed introduction; Present embodiment just is used to help to understand the method for designing and the core concept of the utility model; Simultaneously; To those skilled in the art, essential identical according to the design of the thought of the utility model is all within the utility model protection domain.In sum, this description can not be interpreted as the restriction to the utility model.
Claims (1)
1. dust absorption blackboard eraser; Comprise the blackboard eraser face (4), Powder Recovery box (3), cell switch (2), the battery case (1) that have micro-cleaner; It is characterized in that: cell switch (2) wire connected battery box (1); Cell switch (2) is controlled the micro-cleaner running of the blackboard eraser face (4) that has micro-cleaner or is stopped, and Powder Recovery box (3) is arranged on the following ability of blackboard eraser face (4) dismounting that has micro-cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204347408U CN202293945U (en) | 2011-11-07 | 2011-11-07 | Dust-catching blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204347408U CN202293945U (en) | 2011-11-07 | 2011-11-07 | Dust-catching blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202293945U true CN202293945U (en) | 2012-07-04 |
Family
ID=46362910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204347408U Expired - Fee Related CN202293945U (en) | 2011-11-07 | 2011-11-07 | Dust-catching blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202293945U (en) |
-
2011
- 2011-11-07 CN CN2011204347408U patent/CN202293945U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121107 |