CN202986561U - Blackboard brush - Google Patents
Blackboard brush Download PDFInfo
- Publication number
- CN202986561U CN202986561U CN 201220683896 CN201220683896U CN202986561U CN 202986561 U CN202986561 U CN 202986561U CN 201220683896 CN201220683896 CN 201220683896 CN 201220683896 U CN201220683896 U CN 201220683896U CN 202986561 U CN202986561 U CN 202986561U
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- CN
- China
- Prior art keywords
- utility
- model
- blackboard
- casing
- blackboard brush
- 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 brush, which includes a casing (3), wherein replaceable brushing hairs (4) are arranged on the lower side of the casing (3); a dust suction device is arranged on the periphery of the casing (3); the back of the casing (3) is connected with a retractable handle (1) through cardan joints (2). The blackboard brush has a simple structure, is convenient to use, avoids the fact that dust is sucked by human bodies during the use, and can be used for cleaning the blackboard in all directions without dead angle through the adoption of the design of the cardan joints and the retractable handle.
Description
Technical field
The utility model relates to a kind of educational outfit, is specifically related to a kind of blackboard brush.
Background technology
Blackboard is the necessary supply of classroom instruction always, for a long time, writes resources material for the academics and students, and because the area of blackboard is limited, and course content is a lot, therefore must constantly clear up blackboard with blackboard eraser.When erasing the board, tedious chalk dust can dance in the air all over the sky, drops on desk, even before the dais, is inhaled in people's body, affects mood, and is more unhealthful, and sometimes can can't wipe because the people is not high enough, particularly two of the blackboard upper end angles.
The utility model content
For the deficiency that exists on prior art, the utility model purpose is to be to provide a kind of blackboard brush, and is simple in structure, easy to use, can prevent the suction of human body dust during use, simultaneously can comprehensive blackboard wiping without the dead angle.
For achieving the above object, the utility model proposes a kind of blackboard brush, comprise housing, described housing downside is provided with capable of changing bristle, and described housing surrounding is equipped with dust exhaust apparatus, and described back side of shell saves by extroversion and connects extendable handle.
The utility model is simple in structure, and is easy to use, can prevent the suction of human body dust during use, and the design of universal joint and telescoping handle simultaneously can comprehensive blackboard wiping without the dead angle.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
With reference to Fig. 1, this specific embodiment by the following technical solutions: comprise housing (3), described housing 3 downsides are provided with capable of changing bristle 4, and described housing 3 surroundings are equipped with dust exhaust apparatus, and described housing 3 back sides are saved 2 by extroversion and connected extendable handle 1.
The utility model is simple in structure, and is easy to use, can prevent the suction of human body dust during use, and the design of universal joint and telescoping handle simultaneously can comprehensive blackboard wiping without the dead angle.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. blackboard brush, comprise housing (3), it is characterized in that, described housing (3) downside is provided with capable of changing bristle (4), described housing (3) surrounding is equipped with dust exhaust apparatus, and described housing (3) back side is saved (2) by extroversion and connected extendable handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683896 CN202986561U (en) | 2012-12-06 | 2012-12-06 | Blackboard brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220683896 CN202986561U (en) | 2012-12-06 | 2012-12-06 | Blackboard brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202986561U true CN202986561U (en) | 2013-06-12 |
Family
ID=48557773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220683896 Expired - Fee Related CN202986561U (en) | 2012-12-06 | 2012-12-06 | Blackboard brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202986561U (en) |
-
2012
- 2012-12-06 CN CN 201220683896 patent/CN202986561U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131206 |