CN202515053U - Teaching drawing board - Google Patents
Teaching drawing board Download PDFInfo
- Publication number
- CN202515053U CN202515053U CN2012201388468U CN201220138846U CN202515053U CN 202515053 U CN202515053 U CN 202515053U CN 2012201388468 U CN2012201388468 U CN 2012201388468U CN 201220138846 U CN201220138846 U CN 201220138846U CN 202515053 U CN202515053 U CN 202515053U
- Authority
- CN
- China
- Prior art keywords
- support
- support arm
- teaching
- stop sleeve
- positioning seat
- 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
- 238000009510 drug design Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
Images
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a teaching drawing board, and belongs to the field of teaching aids. The drawing board structurally comprises a panel, support rods and support sleeves, wherein the support rods are arranged on the two sides of the panel; the lower ends of the support rods are inserted into the upper ends of the support sleeves, and are in sliding connection with the support sleeves respectively; a positioning seat is arranged at the upper end of each support rod; a support arm is arranged outside each positioning seat, and is hinged with one end of the positioning seat; a telescopic rod is arranged at the other end of each support arm; one end of each telescopic rod is inserted into the corresponding support arm, and is in sliding connection with the support arm; and clips are arranged on the support arms and the telescopic rods. Compared with the prior art, the drawing board has the characteristics of rational design, simple structure, good using effects and the like.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of teaching chart board.
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, also is the No.1 killer of teachers ' health problem.Although people are devoted to develop so-called dust-free chalk always, owing to fundamentally do not change the writing on the blackboard mode of teachers ' teaching,, and write hard painstakingly so so-called in the past dust-free chalk not only has dirt, use extremely inconvenient.The teaching chart board that utilizes liquid pens to write becomes the important apparatus in the teaching gradually.And the chart board size of existing teaching usefulness is all fixed; When needs utilize the drawing teaching, just need stick on drawing on the panel, so just make write area not enough; Can't continue to write or pinup picture; Need the front content written be wiped, if important could not the wiping of the content of front ten minutes, just would let teacher feel awkward.
Summary of the invention
The technical assignment of the utility model is the deficiency to prior art, and a kind of reasonable in design, teaching chart board that result of use is good is provided.
The utility model solves the technical scheme that its technical problem adopted: comprise panel, support bar and stop sleeve; Support bar is arranged on the panel both sides, and the support bar lower end penetrates from the stop sleeve upper end respectively and is slidingly connected with it, and post upper is respectively arranged with positioning seat; The positioning seat arranged outside has support arm and is hinged with the one of which end; The support arm other end is provided with expansion link, and expansion link one end penetrates in the support arm and with it and is slidingly connected, and is respectively arranged with clip on support arm and the expansion link.
Stop sleeve is provided with the locking button, and the stop sleeve lower end is provided with universal wheel.
Be provided with tie-beam between the stop sleeve.
The teaching chart board of the utility model compared with prior art, the beneficial effect that is produced is:
1), the operation comparatively simple, under the situation of utilizing panel to write as far as possible, can also hang drawing, made things convenient for teacher's teaching, improved efficiency of teaching.
2), have characteristics such as reasonable in design, simple in structure, easy to use, function admirable, practicality, can satisfy the demand of classroom instruction; It is comparatively convenient to use, and has reduced teacher's labour intensity.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Among the figure: 1, panel, 2, positioning seat, 3, support arm, 4, clip, 5, expansion link, 6, support bar, 7, the locking button, 8, tie-beam, 9, stop sleeve, 10, universal wheel.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following the detailed description.
Shown in accompanying drawing; The teaching chart board of the utility model, its structure comprise panel 1, support bar 6 and stop sleeve 9, and support bar 6 is arranged on panel 1 both sides; Support bar 6 lower ends penetrate from stop sleeve 9 upper ends respectively and are slidingly connected with it; Support bar 6 upper ends are respectively arranged with positioning seat 2, and positioning seat 2 arranged outside have support arm 3 and are hinged with the one of which end, and support arm 3 other ends are provided with expansion link 5; Expansion link 5 one ends penetrate in the support arm 3 and with it and are slidingly connected, and are respectively arranged with clip 4 on support arm 3 and the expansion link 5.
During use, can be on panel 1 writing words, when needing the suspension drawing, can support arm 3 be lifted, and expansion link 5 is extracted out, utilize clip 4 to get final product drawing is fixing.Obsolete the time, expansion link 5 is contracted in the support arm 3, again that the support arm 3 folding support bars 6 that are attached to are other.
Its processing and fabricating of teaching chart board of the utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of specification, be this professional's known technology.
Claims (3)
1. a teaching chart board comprises panel, support bar and stop sleeve, and support bar is arranged on the panel both sides; The support bar lower end penetrates from the stop sleeve upper end respectively and is slidingly connected with it; It is characterized in that post upper is respectively arranged with positioning seat, the positioning seat arranged outside has support arm and is hinged with the one of which end, and the support arm other end is provided with expansion link; Expansion link one end penetrates in the support arm and with it and is slidingly connected, and is respectively arranged with clip on support arm and the expansion link.
2. a kind of teaching chart board according to claim 1 is characterized in that stop sleeve is provided with the locking button, and the stop sleeve lower end is provided with universal wheel.
3. a kind of teaching chart board according to claim 1 is characterized in that being provided with between the stop sleeve tie-beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201388468U CN202515053U (en) | 2012-04-05 | 2012-04-05 | Teaching drawing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201388468U CN202515053U (en) | 2012-04-05 | 2012-04-05 | Teaching drawing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202515053U true CN202515053U (en) | 2012-11-07 |
Family
ID=47098034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201388468U Expired - Fee Related CN202515053U (en) | 2012-04-05 | 2012-04-05 | Teaching drawing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202515053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523050A (en) * | 2014-12-31 | 2015-04-22 | 三明学院 | Magnetic drawing supporting device for production field and mounting using method |
| CN109349821A (en) * | 2018-11-02 | 2019-02-19 | 武汉科技大学 | A drawing storage device |
-
2012
- 2012-04-05 CN CN2012201388468U patent/CN202515053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523050A (en) * | 2014-12-31 | 2015-04-22 | 三明学院 | Magnetic drawing supporting device for production field and mounting using method |
| CN109349821A (en) * | 2018-11-02 | 2019-02-19 | 武汉科技大学 | A drawing storage device |
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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: 20121107 Termination date: 20130405 |