CN201542036U - Book-reading rack - Google Patents
Book-reading rack Download PDFInfo
- Publication number
- CN201542036U CN201542036U CN2009202813699U CN200920281369U CN201542036U CN 201542036 U CN201542036 U CN 201542036U CN 2009202813699 U CN2009202813699 U CN 2009202813699U CN 200920281369 U CN200920281369 U CN 200920281369U CN 201542036 U CN201542036 U CN 201542036U
- Authority
- CN
- China
- Prior art keywords
- angle bar
- pivot angle
- hinged
- placing plate
- stop sleeve
- 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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- Chairs Characterized By Structure (AREA)
Abstract
The utility model provides a book-reading rack, which belongs to the field of teaching aids. The rack comprises a bottom seat, a supporting sleeve, a supporting rod and a swing angle bar, wherein the supporting sleeve is installed on the bottom seat; the lower end of the supporting rod passes through and is in sliding connection with the upper end of the supporting sleeve; the lower end of the swing angle bar is hinged to the upper end of the supporting rod; and a placing plate is arranged on the upper end of the swing angle bar and is hinged with the swing angle bar. The rack has rational design and simple structure and is easy to use, so the labor intensity of the teachers is decreased while the teaching efficiency is promoted.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of bookrest.
Background technology
The teacher is class hour on the classroom, normally books are placed on the lectern, on blackboard, write then, when in writing process, needing to consult books, need turn back, bend to check books again, need that the teacher is regular to bow this moment, time has been grown, and allows cervical vertebra and back feel tired, and also can reduce efficiency of teaching simultaneously.
Summary of the invention
In order to overcome the problem in the above background technology, the utility model provides a kind of a kind of bookrest simple in structure, easy to use.
A kind of bookrest of the present utility model is realized in the following manner, this structure comprises base, stop sleeve, support bar and pivot angle bar, stop sleeve is arranged on the base, the support bar lower end is passed the upper end of stop sleeve and is slidingly connected with it, pivot angle bar lower end and post upper are hinged, and pivot angle bar upper end is provided with placing plate and hinged with it.
Support bar and pivot angle bar hinged place are provided with the pivot angle knob.
Pivot angle bar and placing plate hinged place are provided with locking knob.
Placing plate is provided with book clamp.
Stop sleeve is provided with adjusting knob.
Base is arranged with universal wheel.
By the height of support bar adjusting placing plate, to satisfy user's demand, the pivot angle bar can be regulated the position, placed side, both can regulate its height, also it can be disposed across on the desktop.Can regulate the level angle of placed side level arbitrarily, allow the user feel comfortably cool.This can be with the random adjourn more of the demand of user's erect-position.
The beneficial effects of the utility model are: reasonable in design, simple in structure, easy to use, reduced the labour intensity of teaching job, and improved efficiency of teaching.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of bookrest.
Reference numeral:
1, placing plate, 2, locking knob, 3, bookshelf, 4, the pivot angle bar, 5, the pivot angle knob, 6, support bar, 7, adjusting knob, 8, stop sleeve, 9, base, 10, universal wheel.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following detailed description the in detail.
Embodiment:
As shown in the figure, this structure comprises base 9, stop sleeve 8, support bar 6 and pivot angle bar 4, stop sleeve 8 is arranged on the base 9, support bar 6 lower ends are passed the upper end of stop sleeve 8 and are slidingly connected with it, pivot angle bar 4 lower ends and support bar 6 upper ends are hinged, and pivot angle bar 4 upper ends are provided with placing plate 1 and hinged with it; Support bar 6 is provided with pivot angle knob 5 with pivot angle bar 4 hinged places; Pivot angle bar 4 is provided with locking knob 2 with placing plate 1 hinged place; Placing plate 1 is provided with book clamp 3; Stop sleeve 8 is provided with adjusting knob 7; Base 9 is arranged with universal wheel 10.
Except that the described technical characterictic of specification, be those skilled in the art's known technology.
Claims (5)
1. bookrest, comprise base, stop sleeve, support bar and pivot angle bar, it is characterized in that stop sleeve is arranged on the base, the support bar lower end is passed the upper end of stop sleeve and is slidingly connected with it, pivot angle bar lower end and post upper are hinged, and pivot angle bar upper end is provided with placing plate and hinged with it.
2. a kind of bookrest according to claim 1 is characterized in that support bar and pivot angle bar hinged place are provided with the pivot angle knob.
3. a kind of bookrest according to claim 1 is characterized in that pivot angle bar and placing plate hinged place are provided with locking knob.
4. a kind of bookrest according to claim 1 is characterized in that placing plate is provided with book clamp.
5. a kind of bookrest according to claim 1 is characterized in that stop sleeve is provided with adjusting knob.
5. a kind of bookrest according to claim 1 is characterized in that base is arranged with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202813699U CN201542036U (en) | 2009-11-23 | 2009-11-23 | Book-reading rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202813699U CN201542036U (en) | 2009-11-23 | 2009-11-23 | Book-reading rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201542036U true CN201542036U (en) | 2010-08-11 |
Family
ID=42597191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202813699U Expired - Fee Related CN201542036U (en) | 2009-11-23 | 2009-11-23 | Book-reading rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201542036U (en) |
-
2009
- 2009-11-23 CN CN2009202813699U patent/CN201542036U/en not_active Expired - Fee Related
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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: 20100811 Termination date: 20121123 |