CN204547467U - A kind of blackboard - Google Patents
A kind of blackboard Download PDFInfo
- Publication number
- CN204547467U CN204547467U CN201520063870.3U CN201520063870U CN204547467U CN 204547467 U CN204547467 U CN 204547467U CN 201520063870 U CN201520063870 U CN 201520063870U CN 204547467 U CN204547467 U CN 204547467U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- main
- cover plate
- utility
- model
- 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 24
- 239000000843 powder Substances 0.000 claims abstract description 15
- 238000010408 sweeping Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 210000005056 cell body Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a kind of teaching aid, specifically, relates to a kind of blackboard, and comprise main blackboard and secondary blackboard, described secondary blackboard is slidably arranged in the front portion of main blackboard; Pulley groove is provided with in the upper end of main blackboard, the top of described secondary blackboard is provided with roller, described roller rolls and is arranged in described pulley groove, described main blackboard is positioned at immediately below secondary blackboard and is provided with powder collection slot device, described powder collection slot device comprise be arranged on two ends bottom main blackboard two supports, be arranged on the cover plate above two supports and be arranged on cover plate bottom for collecting the box body of powder, the surface of described cover plate is provided with through hole.The utility model provides a kind of blackboard of new structure, chalk dust collecting device is arranged on the bottom of blackboard, and is provided with pen ash clearing apparatus, facilitates pen ash to collect.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically, relates to a kind of blackboard slot with dust-collecting box.
Background technology
School of current most of middle and primary schools still uses black board teaching; when chalk-writing and after wiping blackboard; chalk dust can fall in blackboard slot; time each clean just with wet rag from while smear another side; again chalk dust is smeared in 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, easily to affect academics and students healthy, and chalk end is thrown away to be wasted very much; chalk end short in blackboard slot is not easy to be separated with chalk dust, is not easy to the collection of chalk end.
The shortcoming of prior art is: chalk dust can accumulate in blackboard slot dead angle, bad removing, and chalk dust accumulation can affect person health too much, collects chalk end inconvenient.
Application number be 201310095407.2 utility model disclose a kind of dust-free blackboard, blackboard eraser is provided with in the left side of blackboard, be respectively equipped with skin brush in the left and right sides of blackboard eraser, hairbrush, between the skin brush of blackboard eraser left and right, is provided with handle in the middle part of blackboard eraser, pulley is positioned at the two ends up and down of blackboard eraser, the two ends up and down of blackboard are respectively equipped with pulley groove, and powder collection slot, in the below of blackboard lower end pulleys groove, is respectively equipped with powder collection box in the left and right sides of powder collection groove.By above setting, the utility model achieves and can not produce too much dust when erasing the board.But the blackboard of this kind of structure on the one hand blackboard wiping is not very clean, also needs to utilize blackboard eraser; Protrusion two ends bottom blackboard of groove for collecting chalk dust on the other hand, in profile unsightly.
Application number 201120318501.6 equally also discloses a kind of blackboard with groove for collecting chalk dust, comprise cell body and chalk ash containers, described cell body is provided with horizontal rectangular through slot, the both ends of the surface of described cell body base plate are equipped with slot, described chalk ash containers comprises diapire and four sidewalls being vertically connected diapire, the upper end of a described sidewall
Be provided with the inserted sheet supporting with slot.But, what problem was same is chalk ash containers is arranged on bottom blackboard two ends not only in profile to the irregular sensation of people, and easily turned over accidentally by student and even break.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of blackboard of new structure, chalk dust collecting device is arranged on the bottom of blackboard, and is provided with pen ash clearing apparatus, facilitates pen ash to collect.
In order to realize above-mentioned technical purpose, concrete technical scheme of the present utility model is:
A kind of blackboard, comprise main blackboard and secondary blackboard, described secondary blackboard is slidably arranged in the front portion of main blackboard; Pulley groove is provided with in the upper end of main blackboard, the top of described secondary blackboard is provided with roller, described roller rolls and is arranged in described pulley groove, described main blackboard is positioned at immediately below secondary blackboard and is provided with powder collection slot device, described powder collection slot device comprise be arranged on two ends bottom main blackboard two supports, be arranged on the cover plate above two supports and be arranged on cover plate bottom for collecting the box body of powder, the surface of described cover plate is provided with through hole.
The bottom of described secondary blackboard is provided with the portion of sweeping up dust.
The described portion of sweeping up dust is the hairbrush being fixedly installed on secondary blackboard bottom.
Described two supports are made up of two symmetrical L brackets, and this L bracket upper end is connected with main blackboard bottom surface, and described box body is placed in the cavity that L bracket forms.
Described cover plate is wire netting, and mesh diameter or the length of side are 1cm.
The material of described box body is transparent organic glass.
The beneficial effect that the utility model compared with prior art has is:
The utility model provides a kind of blackboard of new structure, chalk dust collecting device is arranged on the bottom of blackboard, and is provided with pen ash clearing apparatus, facilitates pen ash to collect.
The volume of the grey disposable box of pen is larger, can the more chalk dust of disposable collecting, clears up without every day; Cleaning part is set in the bottom of secondary blackboard, when sliding pair blackboard, the chalk dust cleaning fallen on the cover board extremely can be collected in box body, achieve the convenient and swift collection of chalk dust.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of blackboard of the utility model;
Fig. 2 is the stereogram of main blackboard;
Wherein, 1, main blackboard; 2, secondary blackboard; 3, chute; 4, roller; 5 ' cover plates; 6, box body; 7, hairbrush; 8, through hole.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in further detail.
These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment one,
A kind of blackboard, comprise main blackboard 1 and secondary blackboard 2, described secondary blackboard 2 is slidably arranged in the front portion of main blackboard 1; It is characterized in that: be provided with pulley groove 3 in the upper end of main blackboard 1, the top of described secondary blackboard 2 is provided with roller 4, described roller 4 rolls and is arranged on described pulley groove 3 li, described main blackboard 1 is positioned at immediately below secondary blackboard 2 and is provided with powder collection slot device, described powder collection slot device comprise be arranged on two ends bottom main blackboard 1 two supports, be arranged on the cover plate 5 above two supports and be arranged on cover plate 5 bottom for collecting the box body 6 of powder, the surface of described cover plate 5 is provided with through hole 8.
As further innovation of the present utility model, the bottom of described secondary blackboard 2 is provided with the portion of sweeping up dust.Preferably, the portion of sweeping up dust described in is the hairbrush 7 being fixedly installed on secondary blackboard 2 bottom.
Described two supports 4 are made up of two symmetrical L brackets, and this L bracket upper end is connected with main blackboard 1 bottom surface, and described box body 6 is placed in the cavity that L bracket forms.
As a comparatively cost-effective embodiment of the present utility model, described cover plate 5 is wire netting, and mesh diameter or the length of side are 1cm.
Conveniently observe, the situation of the chalk dust capacity collected in box body 6, the material of described box body 6 is transparent organic glass.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (6)
1. a blackboard, comprise main blackboard (1) and secondary blackboard (2), described secondary blackboard (2) is slidably arranged in the front portion of main blackboard (1), it is characterized in that: be provided with pulley groove (3) in the upper end of main blackboard (1), the top of described secondary blackboard (2) is provided with roller (4), it is inner that described roller (4) rolling is arranged on described pulley groove (3), described main blackboard (1) is positioned at immediately below secondary blackboard (2) and is provided with powder collection slot device, described powder collection slot device comprises two supports being arranged on two ends, main blackboard (1) bottom, be arranged on the cover plate (5) above two supports and be arranged on cover plate (5) bottom for collecting the box body (6) of powder, the surface of described cover plate (5) is provided with through hole (8).
2. a kind of blackboard as claimed in claim 1, is characterized in that, the bottom of described secondary blackboard (2) is provided with the portion of sweeping up dust.
3. a kind of blackboard as claimed in claim 2, is characterized in that, described in sweep up dust portion for being fixedly installed on the hairbrush (7) of secondary blackboard (2) bottom.
4. a kind of blackboard as claimed in claim 3, it is characterized in that, described two supports (4) are made up of two symmetrical L brackets, and this L bracket upper end is connected with main blackboard (1) bottom surface, and described box body (6) is placed in the cavity that L bracket forms.
5. a kind of blackboard as claimed in claim 4, is characterized in that, described cover plate (5) is wire netting, and mesh diameter or the length of side are 1cm.
6. a kind of blackboard as claimed in claim 5, is characterized in that, the material of described box body (6) is transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063870.3U CN204547467U (en) | 2015-01-30 | 2015-01-30 | A kind of blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063870.3U CN204547467U (en) | 2015-01-30 | 2015-01-30 | A kind of blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547467U true CN204547467U (en) | 2015-08-12 |
Family
ID=53822623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520063870.3U Expired - Fee Related CN204547467U (en) | 2015-01-30 | 2015-01-30 | A kind of blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN113059947A (en) * | 2021-04-06 | 2021-07-02 | 渭南师范学院 | A display board for classroom teaching |
-
2015
- 2015-01-30 CN CN201520063870.3U patent/CN204547467U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218272A (en) * | 2016-08-29 | 2016-12-14 | 彭展忠 | Teaching dust arrester installation |
| CN106218272B (en) * | 2016-08-29 | 2017-12-22 | 彭展忠 | Teaching dust arrester installation |
| CN113059947A (en) * | 2021-04-06 | 2021-07-02 | 渭南师范学院 | A display board for classroom teaching |
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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: 20150812 Termination date: 20160130 |
|
| EXPY | Termination of patent right or utility model |