CN201366878Y - Chalkrail - Google Patents
Chalkrail Download PDFInfo
- Publication number
- CN201366878Y CN201366878Y CNU2008201583854U CN200820158385U CN201366878Y CN 201366878 Y CN201366878 Y CN 201366878Y CN U2008201583854 U CNU2008201583854 U CN U2008201583854U CN 200820158385 U CN200820158385 U CN 200820158385U CN 201366878 Y CN201366878 Y CN 201366878Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- chalk dust
- brush
- dust box
- box
- 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
- 239000000428 dust Substances 0.000 claims abstract description 47
- 239000004744 fabric Substances 0.000 claims description 8
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a chalkrail which consists of a chalk dust box and a brush. The utility model is characterized in that a screen stencil is arranged at the opening of the chalk dust box; the brush is arranged in the chalk dust box; the inner side surface is provided with a sliding rail; the chalk dust box and the brush are glidingly connected through the sliding rail; and a dismountable collecting box can also be arranged at the bottom of the chalk dust box. Because the additional arrangement of the screen stencil, the chalk dust can be filtered, and the chalk dust is prevented from being stuck when users hold a chalk or a blackboard eraser. Simultaneously, the brush which can slide left and right is arranged under the screen stencil, and the chalk dust in the chalk dust box can be collected to the collecting box under the right side. The utility model has the characteristics of simplicity, convenience, cleanness and no dust.
Description
Technical field
The utility model relates to a kind of ledge for chalk on blackboard, relates in particular to a kind of have screen cloth and the ledge for chalk on blackboard of collecting box.
Background technology
The effect of existing ledge for chalk on blackboard is to be used to collect chalk dust and to hold chalk and blackboard eraser, because chalk, blackboard eraser and chalk dust are put together, adheres to chalk dust easily when taking chalk and blackboard eraser, and is very inconvenient.Simultaneously, the chalk dust that is scattered in the ledge for chalk on blackboard is difficult to collect, and not easy to clean, the chalk dust that is scattered flies away easily with the wind, has a strong impact on the healthy of teacher and student.
The utility model content
The purpose of this utility model is to overcome existing ledge for chalk on blackboard function singleness, defective not easy to clean, and a kind of novel chalk groove is provided.
The following technical proposals that adopted the utility model solves above-mentioned technical problem:
A kind of ledge for chalk on blackboard comprises chalk dust box and brush.Wherein, the opening part of chalk dust box is provided with screen cloth; Establish brush in the chalk dust box, and medial surface is provided with sliding rail; Brush and chalk dust box are slidingly connected by sliding rail.
Preferably, described chalk dust box bottom surface is provided with dismountable collection box.
Compared with prior art, the beneficial effects of the utility model are: owing to increased screen device in the ledge for chalk on blackboard in the utility model, can filter chalk dust, adhere to chalk dust when having avoided taking chalk or blackboard eraser; Simultaneously, under screen cloth, be equipped with in the collection box of the brush that can horizontally slip below the chalk dust in the chalk dust box is cleared up.Dustless characteristics easy to use, clean that ledge for chalk on blackboard of the present utility model has.
Description of drawings
Fig. 1 is the structural representation of the utility model ledge for chalk on blackboard.
The specific embodiment
Ledge for chalk on blackboard comprises chalk dust box 3 and brush 2 as shown in Figure 1.Wherein, the opening part of chalk dust box 3 is provided with screen cloth 1; Establish brush 2 in the chalk dust box 3, and the medial surface of chalk dust box 3 is provided with sliding rail 5; Brush 2 is slidingly connected by sliding rail 5 with chalk dust box 3.Fixedly connected with collection box 4 in the bottom of chalk dust box 3.Can pass screen cloth 1 and fall into chalk dust box 3 when chalk dust falls, chalk and blackboard eraser then are positioned over the top of screen cloth 1, can not be infected with chalk dust.When the chalk dust in the chalk dust box is accumulated to some and need cleans, brush 2 can be moved the chalk dust that cleaning fall from left to right along sliding rail 5, and the chalk dust centralized collection to the collection box 4 that is arranged in chalk dust box 3 belows.
Owing to increased screen device, can filter chalk dust in the ledge for chalk on blackboard of the present utility model, adhere to chalk dust when having avoided taking chalk or blackboard eraser; Simultaneously, under screen cloth, be equipped with in the collection box of the brush that can slide below the chalk dust in the chalk dust box is cleared up.Dustless characteristics easy to use, clean that novel chalk groove of the present utility model has.
Claims (2)
1, a kind of ledge for chalk on blackboard is characterized in that: described ledge for chalk on blackboard is made of chalk dust box and brush, and wherein, the opening part of chalk dust box is provided with screen cloth; Establish brush in the chalk dust box, and medial surface is provided with sliding rail; Brush and chalk dust box are slidingly connected by sliding rail.
2, ledge for chalk on blackboard as claimed in claim 1 is characterized in that: chalk dust box bottom surface is provided with dismountable collection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201583854U CN201366878Y (en) | 2008-12-30 | 2008-12-30 | Chalkrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201583854U CN201366878Y (en) | 2008-12-30 | 2008-12-30 | Chalkrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366878Y true CN201366878Y (en) | 2009-12-23 |
Family
ID=41485777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201583854U Expired - Fee Related CN201366878Y (en) | 2008-12-30 | 2008-12-30 | Chalkrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366878Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312751A (en) * | 2017-12-29 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of junior middle school's teaching equipment |
| CN111469585A (en) * | 2020-05-13 | 2020-07-31 | 陈军 | Teaching equipment |
-
2008
- 2008-12-30 CN CNU2008201583854U patent/CN201366878Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312751A (en) * | 2017-12-29 | 2018-07-24 | 佛山杰致信息科技有限公司 | A kind of junior middle school's teaching equipment |
| CN111469585A (en) * | 2020-05-13 | 2020-07-31 | 陈军 | Teaching equipment |
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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: 20091223 Termination date: 20101230 |