CN204383021U - Dust-proof blackboard eraser - Google Patents
Dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN204383021U CN204383021U CN201420788675.2U CN201420788675U CN204383021U CN 204383021 U CN204383021 U CN 204383021U CN 201420788675 U CN201420788675 U CN 201420788675U CN 204383021 U CN204383021 U CN 204383021U
- Authority
- CN
- China
- Prior art keywords
- dust
- shell
- blackboard eraser
- connecting rod
- handheld division
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of dust-proof blackboard eraser, belong to the wiping arrangement field of sucking chalk powder, comprise shell, hemispherical outer shell outer wall place is provided with Handheld Division, the cleaner suction nozzle be connected with dust catcher is provided with in outer shell outer wall, enclosure is fixed with wiping block by connecting rod, and described wiping block leans out the open end of shell.The utility model structure is simple, easy to use, the dust produced when can reduce sassafras blackboard greatly.
Description
Technical field
The utility model relates to a kind of wiping arrangement of sucking chalk powder, is specifically related to a kind of dust-proof blackboard eraser.
Background technology
As everyone knows, in the process of Learning in School, the most frequently used to instrument be exactly blackboard, chalk and blackboard eraser.As the educational method of Chinese tradition formula, writing on the blackboard is undoubtedly the most indispensable part of classroom teaching.
But problem is following, and when erasing the board, it is very large that the dust of generation endangers undoubtedly, and in actual life, do not have the dust that a kind of effective method can reduce generation when erasing the board.And for a long time writing on the blackboard adds and erases the board, can allow teacher in teaching process, become body and mind undoubtedly all tired, and in actual life, also not have one can to erase the board efficiently method.
Utility model content
Dust this problem large when the utility model erases the board for solving and proposing, its objective is and provide a kind of dust-proof blackboard eraser.
Technical solution adopted in the utility model is: a kind of dust-proof blackboard eraser, comprise shell, hemispherical outer shell outer wall place is provided with Handheld Division, the cleaner suction nozzle be connected with dust catcher is provided with in outer shell outer wall, enclosure is fixed with wiping block by connecting rod, and described wiping block leans out the open end of shell.
Described cleaner suction nozzle is symmetrically arranged with 2 or 4.
Described Handheld Division, connecting rod and enclosure material are plastics.
Handheld Division, connected mode between connecting rod and shell are gummed.
The utility model structure is simple, easy to use, the dust produced when can reduce sassafras blackboard greatly.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Wherein:
1, Handheld Division 2, cleaner suction nozzle
3, wiping block 4, connecting rod
5, shell.
Detailed description of the invention
Referring to drawings and Examples, the utility model is described in detail:
As shown in Figure 1, a kind of dust-proof blackboard eraser, comprises shell 5, hemispherical shell 5 outer wall place is provided with Handheld Division 1, be provided with the cleaner suction nozzle 2 be connected with dust catcher in shell 5 outer wall, shell 5 inside is fixed with wiping block 3 by connecting rod 4, and described wiping block 3 leans out the open end of shell 5.
Described cleaner suction nozzle 2 is symmetrically arranged with 2 or 4.
Described Handheld Division 1, connecting rod 4 and shell 5 material are plastics.
Handheld Division 1, connected mode between connecting rod 4 and shell 5 are gummed.
During use, with hand-held firmly Handheld Division 1, be connected with cleaner suction nozzle 2 by dust catcher, open dust catcher switch, blackboard wiping, so just can greatly reduce the generation of dust in the process of erasing the board simultaneously.
The utility model structure is simple, easy to use, the dust produced when can reduce sassafras blackboard greatly.
Claims (4)
1. a dust-proof blackboard eraser, comprise shell (5), it is characterized in that: hemispherical shell (5) outer wall place is provided with Handheld Division (1), the cleaner suction nozzle (2) be connected with dust catcher is provided with in shell (5) outer wall, shell (5) inside is fixed with wiping block (3) by connecting rod (4), and described wiping block (3) leans out the open end of shell (5).
2. dust-proof blackboard eraser according to claim 1, is characterized in that: described cleaner suction nozzle (2) is symmetrically arranged with 2 or 4.
3. dust-proof blackboard eraser according to claim 1, is characterized in that: described Handheld Division (1), connecting rod (4) and shell (5) material are plastics.
4. dust-proof blackboard eraser according to claim 3, is characterized in that: Handheld Division (1), connected mode between connecting rod (4) and shell (5) are gummed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788675.2U CN204383021U (en) | 2014-12-15 | 2014-12-15 | Dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788675.2U CN204383021U (en) | 2014-12-15 | 2014-12-15 | Dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204383021U true CN204383021U (en) | 2015-06-10 |
Family
ID=53355770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420788675.2U Expired - Fee Related CN204383021U (en) | 2014-12-15 | 2014-12-15 | Dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204383021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof blackboard eraser |
-
2014
- 2014-12-15 CN CN201420788675.2U patent/CN204383021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof blackboard eraser |
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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: 20150610 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |