CN204160973U - A kind of rotating blackboard eraser - Google Patents
A kind of rotating blackboard eraser Download PDFInfo
- Publication number
- CN204160973U CN204160973U CN201420489264.3U CN201420489264U CN204160973U CN 204160973 U CN204160973 U CN 204160973U CN 201420489264 U CN201420489264 U CN 201420489264U CN 204160973 U CN204160973 U CN 204160973U
- Authority
- CN
- China
- Prior art keywords
- wiping cloth
- cleaning wiping
- described fixed
- fixed disk
- 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 utility model relates to a kind of rotating blackboard eraser, comprise cleaning wiping cloth, comprise fixed cover, described fixed cover is semicylinder structure, the centre position of described fixed cover is connected with fixed disk by rotating shaft, and described fixed disk is cylindrical structure, and described fixed disk is circumferentially provided with several support bars, each support bar described is equipped with U-shaped fixed mount, and described fixed mount is provided with cleaning wiping cloth.The utility model by arranging several cleaning wiping cloth on fixed disk, so in use when wiping surface after one of them wiping a period of time accumulates a lot of chalk dust, do not need to change cleaning wiping cloth at once, only need to rotate the cleaning wiping cloth that rotating shaft to use on fixed disk other, can avoid often changing the trouble that cleaning wiping cloth is brought like this.
Description
Technical field
The utility model relates to instructional technology field, particularly relates to a kind of rotating blackboard eraser.
Background technology
Teaching is the distinctive personnel training activity of a kind of mankind that the religion of teacher and of student form.By this activity, teacher has object, planned and organized ground guiding student actively consciously to learn and accelerates to grasp Cultural Science rudimentary knowledge and basic skills, promotes that the many-sided quality of student improves comprehensively, makes them become people required for society.In teaching, blackboard eraser is necessary supply, but existing blackboard eraser is all generally only have a wiping surface, when the wiping surface using blackboard eraser after a period of time easily accumulates a lot of chalk dust, the wiping effect of blackboard eraser is reduced, now just need the cleaning wiping cloth often changing blackboard eraser, such troublesome poeration, uses inconvenience.Therefore, for solving the problem, spy provides a kind of new technical scheme.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of rotating blackboard eraser.
The utility model is achieved through the following technical solutions:
A kind of rotating blackboard eraser, comprise cleaning wiping cloth, comprise fixed cover, described fixed cover is semicylinder structure, the centre position of described fixed cover is connected with fixed disk by rotating shaft, and described fixed disk is cylindrical structure, and described fixed disk is circumferentially provided with several support bars, each support bar described is equipped with U-shaped fixed mount, and described fixed mount is provided with cleaning wiping cloth.
As preferably, described fixed cover is also provided with curved handle.
As preferably, described rotating shaft and fixed disk one-body molded.
Compared with prior art, the beneficial effects of the utility model are: the utility model structure is simple, reasonable in design, the utility model by arranging several cleaning wiping cloth on fixed disk, so in use when wiping surface after one of them wiping a period of time accumulates a lot of chalk dust, do not need at once to change cleaning wiping cloth, only need to rotate the cleaning wiping cloth that rotating shaft to use on fixed disk other, can avoid often changing the trouble that cleaning wiping cloth is brought like this.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. fixed cover; 2. curved handle; 3. rotating shaft; 4. fixed disk; 5. support bar; 6. fixed mount; 7. cleaning wiping cloth.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, a kind of rotating blackboard eraser, comprise cleaning wiping cloth 7, comprise fixed cover 1, described fixed cover 1 is also provided with curved handle 2, to take when being convenient to blackboard wiping like this this blackboard eraser, described fixed cover 1 is in semicylinder structure, and fixed cover 1 inside is cavity structure, the centre position of described fixed cover 1 is connected with fixed disk 4 by rotating shaft 3, described rotating shaft 3 is one-body molded with fixed disk 4, and rotating shaft 3 can at fixed cover 1 internal rotating, and have certain damping force when rotating, described fixed disk 4 is in cylindrical structure, described fixed disk 4 is circumferentially provided with several support bars 5, in practice, the number of support bar 5 is 3 or 4, each support bar 5 described is equipped with U-shaped fixed mount 6, described fixed mount 6 is provided with cleaning wiping cloth 7, can cleaning wiping cloth 7 be stuck in the U-shaped draw-in groove of fixed mount 6, easy for installation like this.
Its detailed description of the invention is: during use, curved handle 2 of taking uses one of them cleaning wiping cloth 7 on fixed disk 4, when this cleaning wiping cloth 7 is dirty, only needing to rotate rotating shaft 3 makes fixed disk 4 rotate, select another cleaning wiping cloth 7, can unify after finishing using so successively to change cleaning wiping cloth 7, doing so avoids the trouble often changed cleaning wiping cloth 7 and bring.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a rotating blackboard eraser, comprise cleaning wiping cloth (7), it is characterized in that: comprise fixed cover (1), described fixed cover (1) is in semicylinder structure, the centre position of described fixed cover (1) is connected with fixed disk (4) by rotating shaft (3), described fixed disk (4) is in cylindrical structure, described fixed disk (4) is circumferentially provided with several support bars (5), described each support bar (5) is equipped with U-shaped fixed mount (6), and described fixed mount (6) is provided with cleaning wiping cloth (7).
2. the rotating blackboard eraser of one according to claim 1, is characterized in that: described fixed cover (1) is also provided with curved handle (2).
3. the rotating blackboard eraser of one according to claim 1, is characterized in that: described rotating shaft (3) is one-body molded with fixed disk (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420489264.3U CN204160973U (en) | 2014-08-28 | 2014-08-28 | A kind of rotating blackboard eraser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420489264.3U CN204160973U (en) | 2014-08-28 | 2014-08-28 | A kind of rotating blackboard eraser |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204160973U true CN204160973U (en) | 2015-02-18 |
Family
ID=52534694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420489264.3U Expired - Fee Related CN204160973U (en) | 2014-08-28 | 2014-08-28 | A kind of rotating blackboard eraser |
Country Status (1)
Country | Link |
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CN (1) | CN204160973U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109091067A (en) * | 2018-09-12 | 2018-12-28 | 东阳市天齐知识产权运营有限公司 | A kind of sofa cleaning device |
CN109397937A (en) * | 2018-10-31 | 2019-03-01 | 重庆工程职业技术学院 | A kind of lift project cost workbench |
-
2014
- 2014-08-28 CN CN201420489264.3U patent/CN204160973U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109091067A (en) * | 2018-09-12 | 2018-12-28 | 东阳市天齐知识产权运营有限公司 | A kind of sofa cleaning device |
CN109091067B (en) * | 2018-09-12 | 2020-09-29 | 东阳市天齐知识产权运营有限公司 | Sofa cleaning device |
CN109397937A (en) * | 2018-10-31 | 2019-03-01 | 重庆工程职业技术学院 | A kind of lift project cost workbench |
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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: 20150218 Termination date: 20150828 |
|
EXPY | Termination of patent right or utility model |