CN203198532U - Rotary drum type blackboard eraser - Google Patents
Rotary drum type blackboard eraser Download PDFInfo
- Publication number
- CN203198532U CN203198532U CN 201320143863 CN201320143863U CN203198532U CN 203198532 U CN203198532 U CN 203198532U CN 201320143863 CN201320143863 CN 201320143863 CN 201320143863 U CN201320143863 U CN 201320143863U CN 203198532 U CN203198532 U CN 203198532U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- rotary drum
- drum type
- blackboard
- type 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a rotary drum type blackboard eraser. The rotary drum type blackboard eraser comprises a blackboard eraser body and a handle, wherein the blackboard eraser body is of a rotary drum type, a wiping face covers the surface of the blackboard eraser body, the front end of the handle penetrates through the blackboard eraser body to form a shaft center, thus, efficiency of operation of a user is improved, the user can accomplish wiping of most of writing board surfaces in a short time, and usage of the rotary drum type blackboard eraser is no longer a hard job.
Description
Technical field
The utility model relates to the teaching aid field, relates in particular to a kind of roller-type blackboard and wipes.
Background technology
For present blackboard eraser, because blackboard eraser is big or small limited, to the roomy clipboard face of what, each time wiping all is tiring work, and inefficiency.
The utility model content
The purpose of this utility model is to be to provide a kind of roller-type blackboard to wipe, and increases the efficient of user's operation, and can finish at short notice the wiping of most clipboard face, allows and uses blackboard eraser no longer to become hard job.
According to an aspect of the present utility model, provide a kind of roller-type blackboard to wipe, comprise blackboard eraser and lever, blackboard eraser is cylinder type, and its surface coverage has wiping surface, and the lever front end places blackboard eraser and forms the axle center.
In some embodiments: lever is provided with gripping surface.
The utility model is simple in structure, and is easy to use, increases the efficient of user's operation.
Description of drawings
Fig. 1 is the structural representation that a kind of roller-type blackboard of the utility model is wiped.
The specific embodiment
Below in conjunction with description of drawings, the utility model is described in further detail.
As shown in Figure 1, a kind of roller-type blackboard is wiped and is comprised blackboard eraser 1 and lever 2, blackboard eraser is cylinder type, and its surface coverage has wiping surface 11, with the wiping of roll mode large tracts of land, lever 2 front ends place blackboard eraser and form axle center 21, lever 2 is provided with gripping surface 22, conveniently holds this lever 2 operating this blackboard eraser 1, thereby increases the efficient of user's operation, and can finish at short notice the wiping of most clipboard face, allow and use blackboard eraser no longer to become hard job.
The above only is a kind of embodiment of the present utility model; should be pointed out that to those skilled in the art, under the prerequisite that does not break away from the utility model creation design; can also make some similar distortion and improvement, these also should be considered as within the protection domain of the present utility model.
Claims (2)
1. a roller-type blackboard is wiped, and it is characterized in that: comprise a blackboard eraser and a lever, described blackboard eraser is cylinder type, and its surface coverage has wiping surface, and described lever front end places described blackboard eraser and forms the axle center.
2. a kind of roller-type blackboard according to claim 1 is wiped, and described lever is provided with gripping surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143863 CN203198532U (en) | 2013-03-27 | 2013-03-27 | Rotary drum type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143863 CN203198532U (en) | 2013-03-27 | 2013-03-27 | Rotary drum type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203198532U true CN203198532U (en) | 2013-09-18 |
Family
ID=49142669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143863 Expired - Fee Related CN203198532U (en) | 2013-03-27 | 2013-03-27 | Rotary drum type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203198532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144475A (en) * | 2013-03-27 | 2013-06-12 | 沈裕群 | Drum type blackboard eraser |
-
2013
- 2013-03-27 CN CN 201320143863 patent/CN203198532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144475A (en) * | 2013-03-27 | 2013-06-12 | 沈裕群 | Drum type blackboard eraser |
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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: 20130918 Termination date: 20140327 |