CN203110695U - Blackboard groove with dust collection box - Google Patents
Blackboard groove with dust collection box Download PDFInfo
- Publication number
- CN203110695U CN203110695U CN 201220724101 CN201220724101U CN203110695U CN 203110695 U CN203110695 U CN 203110695U CN 201220724101 CN201220724101 CN 201220724101 CN 201220724101 U CN201220724101 U CN 201220724101U CN 203110695 U CN203110695 U CN 203110695U
- Authority
- CN
- China
- Prior art keywords
- dust
- collecting box
- blackboard
- groove
- chalk
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a blackboard groove with a dust collection box. The blackboard groove comprises a concave groove body on the bottom of the blackboard. The blackboard groove is characterized in that a leak hole is arranged in the bottom of the groove body, a cover with a handle is correspondingly arranged on the leak hole, the dust collection box is correspondingly arranged below the leak hole, the dust collection box is supported by a support frame, and a filter screen is arranged in the dust collection box. The blackboard groove is simple in structure, clean chalk ash is convenient to clean, no dead angle exists, the collection of chalk heads is facilitated, and the health of a human body is prevented from being affected due to accumulation and flying of chalk ash.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically, relates to a kind of blackboard groove with dust-collecting box.
Background technology
School of present most of middle and primary schools still uses black board teaching; when chalk is write and after having wiped blackboard; chalk dust can fall in the blackboard groove; just smear another side with wet rag from one side during each the cleaning; again chalk dust is smeared in the dust basket; not only smear unclean; and it is pretty troublesome; chalk dust can accumulate in the dead angle on both sides; bad removing, assembling too much chalk dust, to influence the academics and students easily healthy, and the chalk head is thrown away very waste; chalk head short in the blackboard groove is not easy to separate with chalk dust, is not easy to the collection of chalk head.
The shortcoming of prior art is: chalk dust can accumulate in the blackboard groove dead angle, bad removing, and also the chalk dust accumulation can influence person health, collection chalk head inconvenience too much.
The utility model content
The purpose of this utility model is to provide a kind of blackboard groove of being convenient to remove chalk dust and collecting the band dust-collecting box of chalk head.
For achieving the above object, the technical scheme that the utility model is taked is as follows:
A kind of blackboard groove with dust-collecting box, the spill cell body that comprises the blackboard bottom, its key is: described cell body bottom is provided with small opening, correspondence is provided with handled lid on this small opening, this small opening below correspondence is provided with dust-collecting box, this dust-collecting box is supported by bracing frame, is provided with filter screen in the described dust-collecting box.
Above-mentioned blackboard groove sweeps dust-collecting box with the small opening of the chalk dust in the cell body bottom cell body, and filter screen collects the chalk head, and chalk dust falls into the dust-collecting box bottom, clean, the no dead angle of removing chalk dust.
Correspondence is provided with handled lid on the described small opening; Be convenient to chalk dust is being swept hole on the dust-collecting box bonnet, prevent that chalk dust from flying upward everywhere.
Described dust-collecting box is detachable levels structure, and the bottom, upper strata of this dust-collecting box is filter screen, and the sidewall that this dust-collecting box levels box body exposes is provided with handle; This structure is convenient to respectively chalk dust and chalk head be cleared up, and handle is conveniently pulled out dust-collecting box.
Support frame as described above is made of the L bracket of two symmetries, and this L bracket upper end is connected with the cell body bottom surface, and described dust-collecting box is placed in the cavity of L bracket formation; Bracing frame upper end is connected with the cell body bottom surface, prevents that chalk dust from blowing out from other spaces, and this bracing frame is convenient to packing into of dust-collecting box and is taken out.
Described filter screen is wire netting, and mesh diameter or the length of side are 1cm; Wire netting is not firmly allowed perishable, mesh size to fit, easily collecting chalk head.
The beneficial effects of the utility model are: simple in structure, the collection of chalk head is convenient at convenient, the no dead angle of removing chalk dust, has prevented from the chalk dust gathering and flown upward everywhere influencing health.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1: a kind of blackboard groove with dust-collecting box, the spill cell body 1 that comprises the blackboard bottom, wherein: described cell body 1 bottom is provided with small opening 2, correspondence is provided with handled lid 6 on this small opening 2, small opening 2 below correspondences are provided with dust-collecting box 3, this dust-collecting box 3 is supported by bracing frame 4, is provided with filter screen 5 in this dust-collecting box 3; Middle bracing frame 4 is made of the L bracket of two symmetries, this L bracket upper end is connected with cell body 1 bottom surface, described dust-collecting box 3 is placed in the cavity of L bracket formation, described dust-collecting box 3 is detachable levels structure, the box body bottom, upper strata of this dust-collecting box 3 is filter screen 5, these dust-collecting box 3 levels box bodys are provided with handle 7, and described filter screen 5 is wire netting, and mesh diameter or the length of side are 1cm.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. blackboard groove with dust-collecting box, the spill cell body (1) that comprises the blackboard bottom, it is characterized in that: described cell body (1) bottom is provided with small opening (2), this small opening (2) is gone up correspondence and is provided with handled lid (6), described small opening (2) below correspondence is provided with dust-collecting box (3), this dust-collecting box (3) is supported by bracing frame (4), is provided with filter screen (5) in the described dust-collecting box (3).
2. according to the described a kind of blackboard groove with dust-collecting box of claim 1, it is characterized in that: described dust-collecting box (3) is detachable levels structure, the box body bottom, upper strata of this dust-collecting box (3) is filter screen (5), and the levels box body of this dust-collecting box (3) is provided with handle (7).
3. according to claim 1 or 2 described a kind of blackboard grooves with dust-collecting box, it is characterized in that: support frame as described above (4) is made of the L bracket of two symmetries, this L bracket upper end is connected with cell body (1) bottom surface, and described dust-collecting box (3) is placed in the cavity of L bracket formation.
4. according to the described a kind of blackboard groove with dust-collecting box of claim 3, it is characterized in that: described filter screen (5) is wire netting, and mesh diameter or the length of side are 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724101 CN203110695U (en) | 2012-12-25 | 2012-12-25 | Blackboard groove with dust collection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724101 CN203110695U (en) | 2012-12-25 | 2012-12-25 | Blackboard groove with dust collection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110695U true CN203110695U (en) | 2013-08-07 |
Family
ID=48891071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220724101 Expired - Fee Related CN203110695U (en) | 2012-12-25 | 2012-12-25 | Blackboard groove with dust collection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240196A (en) * | 2016-08-25 | 2016-12-21 | 叶芳 | A kind of blackboard with portable chalk box |
| CN115320275A (en) * | 2022-08-29 | 2022-11-11 | 刘耕 | Blackboard chalk groove |
-
2012
- 2012-12-25 CN CN 201220724101 patent/CN203110695U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240196A (en) * | 2016-08-25 | 2016-12-21 | 叶芳 | A kind of blackboard with portable chalk box |
| CN106240196B (en) * | 2016-08-25 | 2017-11-07 | 重庆市木越机械制造有限公司 | A kind of blackboard with portable chalk box |
| CN115320275A (en) * | 2022-08-29 | 2022-11-11 | 刘耕 | Blackboard chalk groove |
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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: 20130807 Termination date: 20131225 |