CN203142199U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN203142199U CN203142199U CN 201320127003 CN201320127003U CN203142199U CN 203142199 U CN203142199 U CN 203142199U CN 201320127003 CN201320127003 CN 201320127003 CN 201320127003 U CN201320127003 U CN 201320127003U CN 203142199 U CN203142199 U CN 203142199U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- blackboard
- main body
- hairbrush
- technical
- 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 discloses a blackboard eraser and belongs to the technical field of teaching tools. According to the technical scheme of the blackboard eraser, a blackboard eraser body, a hair brush and a handle are included. The blackboard eraser is characterized in that a dust collector is arranged on the blackboard body, dust collecting holes connected with the dust collector are formed in the hair brush, and circular sponge is arranged on the periphery of the blackboard eraser. The blackboard eraser is simple in structure, capable of preventing chalk powder from being inhaled into a body when a Marxist philosophy teacher wipes a blackboard at teaching time, and reduces harm to the body of an instructor.
Description
Technical field: the utility model belongs to the teaching aid technical field, is a kind of blackboard eraser specifically.
Background technology: Marxist philosophy teacher need write more content at blackboard when teaching, when erasing the board, chalk dust dances in the air all over the sky, much is inhaled in the human body, gives the healthy discomfort of having brought of faculty.
Summary of the invention: the purpose of this utility model provides a kind of teaching the Marxist philosophy teacher and prevents when erasing the board that chalk powder is inhaled into the blackboard eraser in the body.
The technical solution of the utility model is: comprise blackboard eraser main body, hairbrush and handle, it is characterized in that being provided with dust catcher in the blackboard eraser main body that hairbrush is provided with the air suction opening that is connected with dust catcher, be provided with circular sponge around the blackboard eraser main body.
The beneficial effects of the utility model are: the utility model is simple in structure, and teaching the Marxist philosophy teacher prevents when erasing the board that chalk powder is inhaled in the body, has reduced faculty's health is endangered.
Description of drawings: accompanying drawing 1 is structural representation of the present utility model.
Among the figure 1, the blackboard eraser main body, 2, hairbrush, 3, handle, 4, dust catcher, 5, air suction opening, 6, circular sponge.
The specific embodiment: comprise blackboard eraser main body 1, hairbrush 2 and handle 3, it is characterized in that being provided with dust catcher 4 in blackboard eraser main body 1 that hairbrush 2 is provided with the air suction opening 5 that is connected with dust catcher 4, be provided with circular sponge 6 around the blackboard eraser main body 1.Teach when erasing the board the Marxist philosophy teacher, hold handle 3, open dust catcher 4, chalk powder absorbs by air suction opening 5 in the time of hairbrush 2 blackboard wipings, and circular sponge 6 prevents that chalk powder from dancing in the air all over the sky and gets final product.
Claims (1)
1. blackboard eraser, comprise blackboard eraser main body (1), hairbrush (2) and handle (3), it is characterized in that: be provided with dust catcher (4) in blackboard eraser main body (1), hairbrush (2) is provided with the air suction opening (5) that is connected with dust catcher (4), and blackboard eraser main body (1) is provided with circular sponge (6) on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127003 CN203142199U (en) | 2013-03-05 | 2013-03-05 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127003 CN203142199U (en) | 2013-03-05 | 2013-03-05 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203142199U true CN203142199U (en) | 2013-08-21 |
Family
ID=48969751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127003 Expired - Fee Related CN203142199U (en) | 2013-03-05 | 2013-03-05 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203142199U (en) |
-
2013
- 2013-03-05 CN CN 201320127003 patent/CN203142199U/en not_active Expired - Fee Related
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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: 20130821 Termination date: 20140305 |