CN204451752U - A kind of blackboard eraser - Google Patents
A kind of blackboard eraser Download PDFInfo
- Publication number
- CN204451752U CN204451752U CN201420828108.5U CN201420828108U CN204451752U CN 204451752 U CN204451752 U CN 204451752U CN 201420828108 U CN201420828108 U CN 201420828108U CN 204451752 U CN204451752 U CN 204451752U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- eraser body
- cover plate
- guide rail
- blackboard
- 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 kind of blackboard eraser, it is characterized in that: it is made up of blackboard eraser body and guide rail, blackboard upper and lower side frame place is located at by described guide rail, described blackboard eraser body is strip, described blackboard eraser body two ends are equipped with a pulley, described pulley is positioned at guide rail, described blackboard eraser body is hollow structure, some dust catchers are provided with in described blackboard eraser body, the described blackboard eraser body back side is provided with dismountable cover plate, described dust catcher is fixedly connected with described cover plate, described cover plate outer surface is provided with dust catcher switch, described blackboard eraser body front is provided with wiper, described wiper is provided with the air suction opening be connected with blackboard eraser body inside, the described blackboard eraser body back side is provided with leader, described blackboard eraser body back bottom is vertically provided with a chalk barrel.A kind of blackboard eraser of the utility model, by blackboard eraser large area blackboard wiping during use, time saving and energy saving, the chalk dust of dust catcher trapping simultaneously, solves health potential problem.
Description
Technical field
The utility model relates to realia field, particularly relates to a kind of blackboard eraser.
Background technology
Blackboard eraser is one of common tool in teaching, and school or enterprise to need when using black board teaching or record to realize again writing to the vestige wiped on blackboard by blackboard eraser usually.Traditional blackboard is wiped in use, move up and down about needing manual operation and make it wipe vestige on blackboard, but if user is shorter, then it is more difficult at the Shi Zehui that erases the board, and when its people use blackboard eraser wiping written trace, often cause chalk dust to fly upward in classroom, the chalk dust descended slowly and lightly can be sucked by operator, and dust enters respiratory tract, enter human lung, hidden danger is existed to health.Therefore, based on these problems that current blackboard eraser occurs in use, study a kind of blackboard eraser that can address these problems, there is important practical significance.
Utility model content
The purpose of this utility model is to provide a kind of blackboard eraser.
The technical solution of the utility model is: a kind of blackboard eraser, it is characterized in that: it is made up of blackboard eraser body and guide rail, blackboard upper and lower side frame place is located at by described guide rail, described blackboard eraser body is strip, described blackboard eraser body two ends are equipped with a pulley, described pulley is positioned at guide rail, described blackboard eraser body is hollow structure, some dust catchers are provided with in described blackboard eraser body, the described blackboard eraser body back side is provided with dismountable cover plate, described dust catcher is fixedly connected with described cover plate, described cover plate outer surface is provided with dust catcher switch, described blackboard eraser body front is provided with wiper, described wiper is provided with the air suction opening be connected with blackboard eraser body inside, the described blackboard eraser body back side is provided with leader, described blackboard eraser body back bottom is vertically provided with a chalk barrel.
Further, described chalk barrel top is provided with cover.
Further, described wiper is fiber cloth.
The beneficial effects of the utility model are:
A kind of blackboard eraser, by blackboard eraser large area blackboard wiping during use, time saving and energy saving, the chalk dust of dust catcher trapping simultaneously, solves health potential problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model blackboard eraser body.
Wherein: 1, blackboard eraser body 2, guide rail 3, pulley 4, dust catcher
5, cover plate 6, dust catcher switch 7, wiper 8, air suction opening
9, handle 10, chalk bucket 11, bung
Detailed description of the invention
Below in conjunction with accompanying drawing, brief description is made to detailed description of the invention of the present utility model.
A kind of blackboard eraser as shown in Figure 1, it is characterized in that: it is made up of blackboard eraser body 1 and guide rail 2, blackboard upper and lower side frame place is located at by described guide rail 2, described blackboard eraser body 1 is strip, described blackboard eraser body 1 two ends are equipped with a pulley 3, described pulley 3 is positioned at guide rail 2, described blackboard eraser body 1 is hollow structure, some dust catchers 4 are provided with in described blackboard eraser body 1, described blackboard eraser body 1 back side is provided with dismountable cover plate 5, described dust catcher 4 is fixedly connected with described cover plate 5, described cover plate 5 outer surface is provided with dust catcher switch 6, described blackboard eraser body 1 front is provided with wiper 7, described wiper 7 is fiber cloth, described wiper 7 is provided with the air suction opening 8 be connected with blackboard eraser body 1 inside, described blackboard eraser body 1 back side is provided with leader 9, described blackboard eraser body 1 back bottom is vertically provided with a chalk barrel 10, described chalk barrel 10 top is provided with cover 11.
Working method: when user uses blackboard eraser to erase the board, by pulling blackboard eraser blackboard wiping about the handle in blackboard eraser body, thus realize large area and erase the board, also dust catcher can be opened thus trapping chalk dust, detachable cover plate regularly can be cleared up the chalk dust in dust catcher by user, this blackboard eraser uses not only time saving and energy saving, and chalk dust also can be avoided the injury of human body.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (3)
1. a blackboard eraser, it is characterized in that: it is made up of blackboard eraser body and guide rail, blackboard upper and lower side frame place is located at by described guide rail, described blackboard eraser body is strip, described blackboard eraser body two ends are equipped with a pulley, described pulley is positioned at guide rail, described blackboard eraser body is hollow structure, some dust catchers are provided with in described blackboard eraser body, the described blackboard eraser body back side is provided with dismountable cover plate, described dust catcher is fixedly connected with described cover plate, described cover plate outer surface is provided with dust catcher switch, described blackboard eraser body front is provided with wiper, described wiper is provided with the air suction opening be connected with blackboard eraser body inside, the described blackboard eraser body back side is provided with leader, described blackboard eraser body back bottom is vertically provided with a chalk barrel.
2. a kind of blackboard eraser according to claim 1, is characterized in that: described chalk barrel top is provided with cover.
3. a kind of blackboard eraser according to claim 1, is characterized in that: described wiper is fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828108.5U CN204451752U (en) | 2014-12-23 | 2014-12-23 | A kind of blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828108.5U CN204451752U (en) | 2014-12-23 | 2014-12-23 | A kind of blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204451752U true CN204451752U (en) | 2015-07-08 |
Family
ID=53658689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828108.5U Expired - Fee Related CN204451752U (en) | 2014-12-23 | 2014-12-23 | A kind of blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204451752U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114009A (en) * | 2016-08-26 | 2016-11-16 | 樊艳姣 | A kind of intelligent blackboard |
| CN106114010A (en) * | 2016-08-26 | 2016-11-16 | 樊艳姣 | A kind of blackboard with collection ash function |
| CN106142924A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of can the blackboard device of auto-erasing |
| CN106274179A (en) * | 2016-08-26 | 2017-01-04 | 樊艳姣 | A kind of blackboard |
-
2014
- 2014-12-23 CN CN201420828108.5U patent/CN204451752U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114009A (en) * | 2016-08-26 | 2016-11-16 | 樊艳姣 | A kind of intelligent blackboard |
| CN106114010A (en) * | 2016-08-26 | 2016-11-16 | 樊艳姣 | A kind of blackboard with collection ash function |
| CN106142924A (en) * | 2016-08-26 | 2016-11-23 | 樊艳姣 | A kind of can the blackboard device of auto-erasing |
| CN106274179A (en) * | 2016-08-26 | 2017-01-04 | 樊艳姣 | A kind of blackboard |
| CN106274179B (en) * | 2016-08-26 | 2018-06-26 | 樊艳姣 | A kind of blackboard |
| CN106114009B (en) * | 2016-08-26 | 2018-10-26 | 樊艳姣 | A kind of intelligent blackboard |
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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: 20150708 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |