CN204055059U - A kind of removable multi-functional blackboard pulling self-cleaning formula - Google Patents
A kind of removable multi-functional blackboard pulling self-cleaning formula Download PDFInfo
- Publication number
- CN204055059U CN204055059U CN201420386452.3U CN201420386452U CN204055059U CN 204055059 U CN204055059 U CN 204055059U CN 201420386452 U CN201420386452 U CN 201420386452U CN 204055059 U CN204055059 U CN 204055059U
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- CN
- China
- Prior art keywords
- blackboard
- support
- blackboard body
- cleaning formula
- functional
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- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The removable multi-functional blackboard pulling self-cleaning formula, comprises Height Adjustable support, blackboard body; Support connects blackboard body turningly; By regulating the height of support, described blackboard body is turn to inclined-plane, or plane; Support has a push rod, and this push rod is by the top of suspension ring and chain connection blackboard body; Support bottom also has a support rod preventing blackboard body bottom from waving.Blackboard body surface is provided with blackboard paper, and it is removable that this blackboard paper realizes blackboard paper by two rolling bearings be up and down positioned on described support, and the axle two ends of rolling bearing are arranged with stay cord; Chalkboard eraser examination and gathering-device is connected by hydraulicefficiency hinge bottom blackboard body.Blackboard content of the present utility model can self-cleaning, by regulating the height of support, both can drawing board, and can desk be made again.Cost is low, environmentally-friendly sanitary, and be applicable to Poor Mountainous Area, student does not need to attend class in dilapidated house, and this kind of blackboard also can be imparted knowledge to students under outdoor situation, easy to use, convenient popularization.
Description
Technical field
The utility model relates to blackboard, is specifically related to a kind of removable many merits plate blackboard pulling self-cleaning formula.
Background technology
Blackboard in current school is fixed blackboard.Often will when writing in the top of blackboard, handle top of holding over the head to write, even also will stand on tiptoe and write, this comparatively works hard.Finish writing, said mistake, it has been wiped again at once.In the process of erasing the board, chalk dust flies upward, and can affect teaching efficiency, also affects the health of academics and students.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of and convenient and practical removablely pulls self-purging multi-functional blackboard.
The utility model is achieved in that
The removable multi-functional blackboard pulling self-cleaning formula, comprises Height Adjustable support, blackboard body; Described support connects described blackboard body turningly; By regulating the height of described support, described blackboard body is turn to inclined-plane, or plane; Described support has a push rod, and this push rod is by the top of blackboard body described in suspension ring and chain connection; Described support bottom also has a support rod preventing blackboard body bottom from waving; Described blackboard body surface is provided with blackboard paper, and it is removable that this blackboard paper realizes blackboard paper by two rolling bearings be up and down positioned on described support, and the axle two ends of described rolling bearing are arranged with stay cord; Chalkboard eraser examination and a gathering-device is connected by hydraulicefficiency hinge bottom described blackboard body.
Described frame bottom is provided with universal wheel.
Described blackboard body is the plate body of both-side opening, hollow.
Pullable rack is provided with in the middle part of described blackboard body.
Pullable chalk holder is provided with in the middle part of described blackboard body.
Dust suction cotton is provided with in the middle part of described blackboard body.
The pullable hanger bar for hanging atlas is provided with in the middle part of described blackboard body.
Described pullable hanger bar is the hollow stem that teacher's pointer can be put in inside.
The utility model has the advantage of: blackboard content can self-cleaning, by regulating the height of support, both can drawing board, can desk be made again.Cost is low, environmentally-friendly sanitary, and be applicable to Poor Mountainous Area, student does not need to attend class in dilapidated house, and this kind of blackboard also can be imparted knowledge to students under outdoor situation, easy to use, convenient popularization.
Accompanying drawing explanation
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model structure schematic diagram.
Fig. 2 is the utility model side view.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, a kind of removable multi-functional blackboard pulling self-cleaning formula, comprises Height Adjustable support 1, blackboard body 2; Support 1 connects blackboard body 2 turningly; By regulating the height of support 1, blackboard body 2 is turn to inclined-plane, or plane, both can drawing board, can desk be made again; Support has a push rod 3, and this push rod 3 is connected the top of blackboard body 2 by suspension ring 4 and hinge 5; Support 1 bottom also has a support rod 6 preventing blackboard body 1 bottom from waving.
Blackboard body 1 surface is provided with blackboard paper, and it is removable that this blackboard paper realizes blackboard paper by two rolling bearings be up and down positioned on support 1, and the axle two ends of rolling bearing are arranged with stay cord 7; Chalkboard eraser examination and gathering-device 8 is connected by hydraulicefficiency hinge bottom described blackboard body 1.By pulling stay cord 7 turning cylinder, make within the scope of 360 degree, blackboard paper mobile, when blackboard paper moves to chalkboard eraser examination and gathering-device 8, then the content on blackboard paper can be removed automatically.
Frame bottom is provided with universal wheel 9.Blackboard body 1 is the plate body of both-side opening, hollow.Pullable rack 10 is provided with in the middle part of blackboard body 1.Pullable chalk holder 11 is provided with in the middle part of blackboard body 1.The cotton (not shown) of dust suction is provided with in the middle part of blackboard body 1.The pullable hanger bar 12 for hanging atlas is provided with in the middle part of blackboard body 1.Pullable hanger bar 12 is the inner hollow stem can putting teacher's pointer 13.
Excellent blackboard content of the present utility model can self-cleaning, by regulating the height of support, blackboard is turn to inclined-plane, or plane, both can drawing board, can make desk again.Cost is low, environmentally-friendly sanitary, and be applicable to Poor Mountainous Area, student does not need to attend class in dilapidated house, and this kind of blackboard also can be imparted knowledge to students under outdoor situation, easy to use, convenient popularization.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (8)
1. the removable multi-functional blackboard pulling self-cleaning formula, is characterized in that: comprise Height Adjustable support, blackboard body; Described support connects described blackboard body turningly; By regulating the height of described support, described blackboard body is turn to inclined-plane, or plane; Described support has a push rod, and this push rod is by the top of blackboard body described in suspension ring and chain connection; Described support bottom also has a support rod preventing blackboard body bottom from waving; Described blackboard body surface is provided with blackboard paper, and it is removable that this blackboard paper realizes blackboard paper by two rolling bearings be up and down positioned on described support, and the axle two ends of described rolling bearing are arranged with stay cord; Chalkboard eraser examination and a gathering-device is connected by hydraulicefficiency hinge bottom described blackboard body.
2. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 1, is characterized in that: described frame bottom is provided with universal wheel.
3. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 1, is characterized in that: described blackboard body is the plate body of both-side opening, hollow.
4. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 3, is characterized in that: be provided with pullable rack in the middle part of described blackboard body.
5. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 3, is characterized in that: be provided with pullable chalk holder in the middle part of described blackboard body.
6. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 3, is characterized in that: be provided with dust suction cotton in the middle part of described blackboard body.
7. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 3, is characterized in that: be provided with the pullable hanger bar for hanging atlas in the middle part of described blackboard body.
8. a kind of removable multi-functional blackboard pulling self-cleaning formula as claimed in claim 7, is characterized in that: described pullable hanger bar is the hollow stem that teacher's pointer can be put in inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386452.3U CN204055059U (en) | 2014-07-14 | 2014-07-14 | A kind of removable multi-functional blackboard pulling self-cleaning formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386452.3U CN204055059U (en) | 2014-07-14 | 2014-07-14 | A kind of removable multi-functional blackboard pulling self-cleaning formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055059U true CN204055059U (en) | 2014-12-31 |
Family
ID=52196634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420386452.3U Expired - Fee Related CN204055059U (en) | 2014-07-14 | 2014-07-14 | A kind of removable multi-functional blackboard pulling self-cleaning formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204055059U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191867A (en) * | 2014-07-14 | 2014-12-10 | 龙岩学院 | Removable handheld self-cleaning multifunctional blackboard |
| CN105835573A (en) * | 2016-06-09 | 2016-08-10 | 绵阳圣典知识产权技术服务有限公司 | Motor-based dust collection type writing board for teaching |
| CN109938482A (en) * | 2017-10-17 | 2019-06-28 | 魏成安 | Myopia prevention folding writing board |
| CN114889358A (en) * | 2022-04-25 | 2022-08-12 | 秦梦阳 | Education and research are with observing recorder |
-
2014
- 2014-07-14 CN CN201420386452.3U patent/CN204055059U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191867A (en) * | 2014-07-14 | 2014-12-10 | 龙岩学院 | Removable handheld self-cleaning multifunctional blackboard |
| CN105835573A (en) * | 2016-06-09 | 2016-08-10 | 绵阳圣典知识产权技术服务有限公司 | Motor-based dust collection type writing board for teaching |
| CN109938482A (en) * | 2017-10-17 | 2019-06-28 | 魏成安 | Myopia prevention folding writing board |
| CN114889358A (en) * | 2022-04-25 | 2022-08-12 | 秦梦阳 | Education and research are with observing recorder |
| CN114889358B (en) * | 2022-04-25 | 2023-12-01 | 秦梦阳 | Education and research are with observing recorder |
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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: 20141231 Termination date: 20170714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |