CN2611174Y - Two surface turning-able and lifting/lowering type black-board - Google Patents
Two surface turning-able and lifting/lowering type black-board Download PDFInfo
- Publication number
- CN2611174Y CN2611174Y CN 03233857 CN03233857U CN2611174Y CN 2611174 Y CN2611174 Y CN 2611174Y CN 03233857 CN03233857 CN 03233857 CN 03233857 U CN03233857 U CN 03233857U CN 2611174 Y CN2611174 Y CN 2611174Y
- Authority
- CN
- China
- Prior art keywords
- mainboard
- blackboard
- board
- groove
- lifting
- 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
Abstract
The utility model discloses a double-face overturned lifting blackboard which comprises a main board, an assistant board, a rack and a fixation groove, wherein, the main board is arranged inside the fixation groove and capable of moving up and down along the rack, the four angles of the main board are provided with clip pieces, the assistant board is fixedly disposed inside a square fixation groove behind the main board, the fixation groove on the upper portion of the assistant board is provided with a locking device. A fixation pin and an overturned groove are arranged inside the fixation groove. The double-face overturned lifting blackboard achieves the capability of overturning and lifting, simple structure, low cost, applicability for teachers with various heights, synchronizing carrying out the writing and teaching and adaptability for batch production.
Description
Technical field:
The utility model relates to a kind of two-sided turning lifting writing blackboard, uses when being applicable to the primary grades teaching.
Technical background:
At present, the blackboard that school uses is fixed on the metope more, because fixing height difference is unfavorable for that the teacher of different heights writes, and existing blackboard movable up and down is equipped with auxiliary equipment such as pulley, motor more, and its structure is complicated, cost is higher, is unsuitable for extensive popularization; Along with development of times, modern teaching not only is confined to blackboard and writes, also be used in combination lantern slide, projection etc. when giving lessons, the blackboard that uses mostly is one side now, two-sided also just recycles, and can not directly on blackboard, carry out multimedia teaching such as lantern slide, bring many inconvenience to teachers' instruction.
Summary of the invention:
The purpose of this utility model provides a kind of simple in structure, liftable upset and can realize the two-sided turning lifting blackboard of multimedia teaching.
The purpose of this utility model is to realize like this, it is made up of mainboard, subplate, tooth bar and holddown groove, mainboard is installed in the holddown groove, can move along tooth bar is upper and lower, four jiaos of mainboard are provided with fastener, subplate is fixedly mounted in the holddown groove of mainboard rear, in the holddown groove of subplate top locking device is housed.Be provided with steady pin and turning groove in the holddown groove.
The mainboard of above-mentioned two-sided turning lifting blackboard is tow sides, and the front is a blackboard, on graphed lines and dark ruling are arranged, make things convenient for the design of teacher's version book, the back side is blank, turningly does multimedia teaching and uses.
Pinyin lattice and matts are arranged on the subplate of above-mentioned two-sided turning lifting blackboard, make things convenient for the primary grades teaching.
Advantage of the present utility model is liftable upset, simple in structure, with low cost, and the teacher who is suitable for different heights uses, and makes to write with multimedia teaching and carries out simultaneously, is suitable for producing in batches.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
As shown in the figure, the utility model is made up of mainboard 1, subplate 2, tooth bar 3 and holddown groove 4, mainboard 1 is tow sides, the front is a blackboard, on graphed lines and dark ruling are arranged, make things convenient for the design of teacher's version book, the back side is blank, turningly do multimedia teaching and use, pinyin lattice and matts are arranged on the subplate 2, make things convenient for the primary grades teaching; Mainboard 1 is installed in the holddown groove 4, can be upper and lower mobile along tooth bar 3, but make mainboard 1 free lifting; Four jiaos of mainboard 1 are provided with fastener 6, are convenient to the mainboard 1 after mobile or the upset is fixed in the holddown groove 4; Subplate 2 is fixedly mounted in the mainboard 1 below holddown groove 4, in the subplate 2 top holddown grooves 4 locking device 8 is housed, and prevents that lifting or upset back mainboard 1 from gliding; Be provided with steady pin 5 in the holddown groove 4, prevent that mainboard 1 from rocking; Be provided with turning groove 7 in the holddown groove 4, be convenient to turnover blackboard.
During use, the teacher can promote mainboard 1 according to the height of oneself, arrives the height that oneself needs, and after with locking device 8 mainboard 1 below being fixed, by fastener 6 it further is fixed in the holddown groove 4; When needing slide show, unclamp locking device 8, mainboard is slided to for 1 time in the turning groove 7 after mainboard 1 upset, fix, get final product slide show, realize multimedia teaching in order to last method.
Claims (3)
1, a kind of two-sided turning lifting blackboard, it is made up of mainboard, subplate, tooth bar and holddown groove, it is characterized in that: mainboard is installed in the holddown groove, can move along tooth bar is upper and lower, four jiaos of mainboard are provided with fastener, subplate is fixedly mounted in the holddown groove of mainboard rear, in the holddown groove of subplate top locking device is housed, and is provided with steady pin and turning groove in the holddown groove.
2, a kind of two-sided turning lifting blackboard as claimed in claim 1 is characterized in that described mainboard is tow sides, and the front is a blackboard, on graphed lines and dark ruling are arranged, the back side is blank.
3, a kind of two-sided turning lifting blackboard as claimed in claim 1 is characterized in that pinyin lattice and matts are arranged on the described subplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233857 CN2611174Y (en) | 2003-04-05 | 2003-04-05 | Two surface turning-able and lifting/lowering type black-board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233857 CN2611174Y (en) | 2003-04-05 | 2003-04-05 | Two surface turning-able and lifting/lowering type black-board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2611174Y true CN2611174Y (en) | 2004-04-14 |
Family
ID=34166022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03233857 Expired - Fee Related CN2611174Y (en) | 2003-04-05 | 2003-04-05 | Two surface turning-able and lifting/lowering type black-board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2611174Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767503A (en) * | 2010-02-10 | 2010-07-07 | 李冬梅 | Multi-functional blackboard |
| CN104494334A (en) * | 2014-12-15 | 2015-04-08 | 任大伏 | Double-side rotating blackboard |
| CN108790494A (en) * | 2018-06-30 | 2018-11-13 | 南阳理工学院 | A kind of ideological and political education system board of education |
| CN111127960A (en) * | 2019-12-24 | 2020-05-08 | 浙江更土电子商务有限公司 | Multimedia teaching device that security is strong |
| CN112951005A (en) * | 2021-02-02 | 2021-06-11 | 陕西科技大学镐京学院 | English word assists teaching with electronic whiteboard display device |
-
2003
- 2003-04-05 CN CN 03233857 patent/CN2611174Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767503A (en) * | 2010-02-10 | 2010-07-07 | 李冬梅 | Multi-functional blackboard |
| CN104494334A (en) * | 2014-12-15 | 2015-04-08 | 任大伏 | Double-side rotating blackboard |
| CN108790494A (en) * | 2018-06-30 | 2018-11-13 | 南阳理工学院 | A kind of ideological and political education system board of education |
| CN108790494B (en) * | 2018-06-30 | 2020-12-25 | 南阳理工学院 | Ideological and political education system is with teaching board |
| CN111127960A (en) * | 2019-12-24 | 2020-05-08 | 浙江更土电子商务有限公司 | Multimedia teaching device that security is strong |
| CN112951005A (en) * | 2021-02-02 | 2021-06-11 | 陕西科技大学镐京学院 | English word assists teaching with electronic whiteboard display device |
| CN112951005B (en) * | 2021-02-02 | 2022-08-09 | 陕西科技大学镐京学院 | English word assists teaching with electronic whiteboard display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |