CN203293768U - Classroom teaching board - Google Patents
Classroom teaching board Download PDFInfo
- Publication number
- CN203293768U CN203293768U CN2013203336693U CN201320333669U CN203293768U CN 203293768 U CN203293768 U CN 203293768U CN 2013203336693 U CN2013203336693 U CN 2013203336693U CN 201320333669 U CN201320333669 U CN 201320333669U CN 203293768 U CN203293768 U CN 203293768U
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- CN
- China
- Prior art keywords
- central panel
- supporting
- hinged
- panel
- middle face
- 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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Abstract
The utility model provides a classroom teaching board, and belongs to the technical field of teaching aids. The classroom teaching board structurally comprises middle face plates and a supporting frame, wherein the middle face plates are arranged above the supporting frame, the middle face plates are two in number and are identical in size, the adjacent side edges of the two middle face plates are hinged together, and the other side edge of each middle face plate is provided with a side face plate and hinged to one side edge of each side face plate. The supporting frame comprises a pair of supporting sleeves and a pair of supporting rods, wherein the upper ends of the supporting rods are connected with the middle face plates, and the lower ends of the supporting rods penetrate through the supporting sleeves from the upper ends of the supporting sleeves and are connected with the supporting sleeves in a sliding mode; the supporting rods are connected with each other through an upper transverse beam hinged to the supporting rods; the lower ends of the supporting sleeves are connected with each other through a lower transverse beam hinged to the supporting sleeves, and trundles are arranged on two sides of the lower transverse beam. Compared with the prior art, the classroom teaching board has the advantages of being reasonable in design, simple in structure, good in using effect and the like.
Description
Technical field
The utility model relates to a kind of educational aid, specifically a kind of classroom instruction plate.
Background technology
For a long time, in teaching, the chalk dust contaminated environment, numerous teachers and students endure the dust injury to the fullest extent, and tuberculosis becomes teacher's occupational disease, is also the No.1 killer of teachers ' health problem.Although people are devoted to develop so-called dust-free chalk always,, due to the writing on the blackboard mode that does not fundamentally change teachers ' teaching, so so-called dust-free chalk not only had dirt in the past, and write hard painstakingly, use extremely inconvenient.Utilize drawing board for teaching that liquid pens is write to become gradually important apparatus in teaching.And the chart board size of existing teaching use is all fixed, and, if usable floor area is inadequate, can't continue to write or pinup picture, the content of writing previously need to be wiped, and can not wipe if the content of front is very important, just allow teacher feel difficult.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, and a kind of reasonable in design, classroom instruction plate that result of use is good is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of classroom instruction plate, comprise central panel and bracing frame, central panel is arranged on the bracing frame top, described central panel is provided with two and big or small identical, two adjacent sides of central panel are hinged together, and another side of central panel is respectively arranged with side panel and with the one side, is hinged; Support frame as described above comprises a pair of stop sleeve and pair of support rods, and post upper is connected with central panel, and lower end penetrates and with it, is slidably connected from the stop sleeve upper end; Be connected by the upper beam that is hinged between described support bar; Be connected by the lower beam that is hinged in the stop sleeve lower end, in the both sides of lower beam, be separately installed with castor.
A kind of classroom instruction plate, its side panel matches with the central panel size, in side panel, is respectively arranged with side projections on away from the side with the central panel pin joint.
Be fixedly connected with between a kind of classroom instruction plate, its upper beam and support bar.
Compared with prior art, the beneficial effect that produces is the utility model:
The utlity model has the characteristics such as reasonable in design, simple in structure, easy to use, function admirable, practicality, can increase and write or the area of pinup picture, avoid teacher to wipe for important written contents and feel difficult; Be convenient to carrying out smoothly of teaching, improved efficiency of teaching.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
In figure: 1, central panel, 2, side panel, 3, side projections, 4, support bar, 5, upper beam, 6, stop sleeve, 7, castor, 8, lower beam, 9, height adjuster.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail below.
As shown in drawings, classroom instruction plate of the present utility model, its structure comprises central panel 1 and bracing frame, central panel 1 is arranged on the bracing frame top, described central panel 1 is provided with two and big or small identical, two adjacent sides of central panel 1 are hinged together, and another side of central panel 1 is respectively arranged with side panel 2 and with the one side, is hinged; Side panel 2 matches with central panel 1 size, in side panel 2, is respectively arranged with side projections 3 on away from the side with central panel 1 pin joint; Support frame as described above comprises a pair of stop sleeve 6 and pair of support rods 4, and support bar 4 upper ends are connected with central panel 1, and lower end penetrates and with it, is slidably connected from stop sleeve 6 upper ends; Be connected by the upper beam 5 that is hinged between described support bar 4, upper beam 5 with support bar 4 between be fixedly connected with; Be connected by the lower beam 8 that is hinged in stop sleeve 6 lower ends, in the both sides of lower beam 8, be separately installed with castor 7.
Can write or pinup picture on central panel 1, central panel 1 usable floor area when inadequate, can turn side panel 2 from central panel 1 rear portion, then write or pinup picture on side panel 2; Angle between central panel 1, between all can regulating between central panel 1 and side panel 2, observe unclear problem to avoid reflective causing, the height of panel can be regulated by height adjuster 9.
Its processing and fabricating of classroom instruction plate of the present utility model is simple and convenient, and shown in the by specification accompanying drawing, processing and fabricating gets final product.
Except the described technical characterictic of specification, be those skilled in the art's known technology.
Claims (3)
1. classroom instruction plate, comprise central panel and bracing frame, central panel is arranged on the bracing frame top, it is characterized in that described central panel is provided with two and big or small identical, two adjacent sides of central panel are hinged together, and another side of central panel is respectively arranged with side panel and with the one side, is hinged; Support frame as described above comprises a pair of stop sleeve and pair of support rods, and post upper is connected with central panel, and lower end penetrates and with it, is slidably connected from the stop sleeve upper end; Be connected by the upper beam that is hinged between described support bar; Be connected by the lower beam that is hinged in the stop sleeve lower end, in the both sides of lower beam, be separately installed with castor.
2. a kind of classroom instruction plate according to claim 1, is characterized in that side panel matches with the central panel size, in side panel, is respectively arranged with side projections on away from the side with the central panel pin joint.
3. a kind of classroom instruction plate according to claim 1, is characterized in that being fixedly connected with between upper beam and support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203336693U CN203293768U (en) | 2013-06-09 | 2013-06-09 | Classroom teaching board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203336693U CN203293768U (en) | 2013-06-09 | 2013-06-09 | Classroom teaching board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203293768U true CN203293768U (en) | 2013-11-20 |
Family
ID=49569805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203336693U Expired - Fee Related CN203293768U (en) | 2013-06-09 | 2013-06-09 | Classroom teaching board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203293768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023234792A1 (en) * | 2022-05-30 | 2023-12-07 | Bi-Silque, S.A. | Support device for board panels, board panel support and junction system and related preparation method |
-
2013
- 2013-06-09 CN CN2013203336693U patent/CN203293768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023234792A1 (en) * | 2022-05-30 | 2023-12-07 | Bi-Silque, S.A. | Support device for board panels, board panel support and junction system and related preparation method |
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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: 20131120 Termination date: 20140609 |