CN201484000U - Roller skidding blackboard eraser - Google Patents
Roller skidding blackboard eraser Download PDFInfo
- Publication number
- CN201484000U CN201484000U CN2009200768699U CN200920076869U CN201484000U CN 201484000 U CN201484000 U CN 201484000U CN 2009200768699 U CN2009200768699 U CN 2009200768699U CN 200920076869 U CN200920076869 U CN 200920076869U CN 201484000 U CN201484000 U CN 201484000U
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- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- skidding
- housing
- model
- 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
A roller skidding blackboard eraser comprises a casing with length matching with that of a blackboard. A brush is arranged inside casing, a handle is arranged on the casing, the casing is connected with the lower end of a spring, the upper end of the spring is fixed above the blackboard, a shaft axially penetrates through the casing and the brush, two ends of the shaft are provided with rollers arranged on the blackboard, and two ends of the blackboard are provided with tracks. Compared with the prior art, the roller skidding blackboard eraser has the advantages of simple structure, convenient use and saving time and labor.
Description
Technical field
The utility model relates to the realia technical field, relates in particular to a kind of blackboard eraser.
Background technology
The blackboard use is extensive now, and especially in the daily teaching of school, though teaching equipments such as projecting apparatus generally are suitable in school, blackboard remains a kind of very important educational aid.For a long time, erasing the board all is the thing that relatively expends teachers and students' muscle power and energy in the teaching.When erasing the board, take time and effort, and influence progress on class with existing blackboard eraser.
The utility model content
The utility model is exactly in order to address the above problem, and a kind of simple in structure, easy to use, time saving and energy saving skidding blackboard eraser is provided.
The technical problem of the required solution of the utility model can be achieved through the following technical solutions:
A kind of skidding blackboard eraser is characterized in that: comprise the housing that length and blackboard are suitable, in the described housing hairbrush is arranged, on the described housing handle is installed, described housing is connected with the lower end of a spring, and the upper end of this spring is fixed on the top of blackboard; One axially runs through housing and hairbrush, and there is roller at the two ends of axle, and described roller is installed on the blackboard that two ends are provided with track.
Further, in the utility model, described housing is a plastic casing.
The initial position of described skidding blackboard eraser is positioned at the topmost of blackboard, during use, pins handle with hand, and pull down, can carry out wiping to blackboard, wiping one to twice can blackboard eraser is clean, after decontroling handle, under the effect of spring, the skidding blackboard eraser is got back to original initial position automatically.
Compared with prior art, the utlity model has simple in structure, easy to use, time saving and energy saving characteristics.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is a working state figure of the present utility model;
Fig. 2 is a structural representation of the present utility model.
The specific embodiment
In order to make technological means of the present utility model, creation characteristic, to reach purpose and effect is easy to understand,, further set forth the utility model below in conjunction with concrete diagram.
Referring to Fig. 1 and 2, a kind of skidding blackboard eraser comprises a housing 41, and the length of the length of this housing 41 and blackboard 1 is suitable, and the width of housing 41 is 10cm-15cm, and in order to alleviate the weight of the utility model skidding blackboard eraser, this housing 41 is a plastic casing.
Hairbrush 42 is installed in the housing 41, is used for blackboard wiping.Handle 45 is installed on the surface of housing 41, easy to use.The lower end that respectively connects a spring 2 at the left and right two ends of housing 41, the upper end of spring 2 are fixed on the top board 3 of blackboard 1 top.
In addition, skidding blackboard eraser of the present utility model also comprises one 43, and this axle 43 axially runs through housing 41 and hairbrush 42, and there is roller 44 at the two ends of axle 43.
The two ends of blackboard 1 guide rail 11 (or having groove), so that the roller 44 of skidding blackboard eraser can slide on guide rail 11 (perhaps in groove, rolling).
The initial position of the utility model skidding blackboard eraser is positioned at the topmost of blackboard, during use, pin handle 45 with hand, and pull down, can carry out wiping to blackboard, wiping one to twice can blackboard eraser is clean, decontrol handle 45 after, under the effect of spring 2, the skidding blackboard eraser is got back to original initial position automatically.
Compared with prior art, the utlity model has simple in structure, easy to use, time saving and energy saving characteristics.
More than be one of embodiment of the present utility model,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present utility model.
Claims (2)
1. skidding blackboard eraser, it is characterized in that: comprise the housing that length and blackboard are suitable, in the described housing hairbrush is arranged, on the described housing handle is installed, described housing is connected with the lower end of a spring, and the upper end of this spring is fixed on the top of blackboard; One axially runs through housing and hairbrush, and there is roller at the two ends of axle, and described roller is installed on the blackboard that two ends are provided with track.
2. skidding blackboard eraser according to claim 1 is characterized in that: described housing is a plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200768699U CN201484000U (en) | 2009-06-23 | 2009-06-23 | Roller skidding blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200768699U CN201484000U (en) | 2009-06-23 | 2009-06-23 | Roller skidding blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484000U true CN201484000U (en) | 2010-05-26 |
Family
ID=42422898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200768699U Expired - Fee Related CN201484000U (en) | 2009-06-23 | 2009-06-23 | Roller skidding blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963523A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Blackboard with eraser |
| CN114435016A (en) * | 2020-11-05 | 2022-05-06 | 张家港市鸿嘉数字科技有限公司 | Workstation for animation design |
-
2009
- 2009-06-23 CN CN2009200768699U patent/CN201484000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963523A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Blackboard with eraser |
| CN114435016A (en) * | 2020-11-05 | 2022-05-06 | 张家港市鸿嘉数字科技有限公司 | Workstation for animation design |
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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: 20100526 Termination date: 20100623 |