CN202618818U - Auxiliary bookshelf for teaching - Google Patents
Auxiliary bookshelf for teaching Download PDFInfo
- Publication number
- CN202618818U CN202618818U CN2012202965015U CN201220296501U CN202618818U CN 202618818 U CN202618818 U CN 202618818U CN 2012202965015 U CN2012202965015 U CN 2012202965015U CN 201220296501 U CN201220296501 U CN 201220296501U CN 202618818 U CN202618818 U CN 202618818U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- teaching
- book supporting
- book
- supporting board
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses an auxiliary bookshelf for teaching, which is composed of a base, a sleeve and a book supporting plate. The auxiliary bookshelf for teaching is characterized in that the sleeve is fixed in the middle of an upper panel of the base; a stretching rod is inserted into the sleeve; the lower part of the stretching rod is inserted into an inner cavity of the sleeve, is fixed by using a positioning screw rod and can vertically slide in the inner cavity of the sleeve; and the book supporting plate is arranged at the upper end of the stretching rod. The auxiliary bookshelf for teaching has a simple structure and is reasonably designed. A book need not be supported by a hand, so that a teacher can conveniently write on a blackboard for a long time and the burden of the teacher is relieved.
Description
Technical field
The utility model relates to a kind of teaching aid, and bookshelf is assisted in specifically a kind of teaching.
Background technology
At present, in teaching, teacher explains the student will on the blackboard of being everlasting, writing on the classroom; Sometimes even need on blackboard, write in a large number, at this moment teacher needs a hand rest book, and the another hand takes chalk on blackboard, to write; When needs were write in a large number, because teacher's left hand holds in the palm book always, constant arm and the shoulder of causing easily of so long-time posture ached; Increased teacher's work load, and the time grown diseases such as causing scapulohumeral periarthritis easily, thereby influence the healthy of teacher.
Summary of the invention
It is a kind of simple in structure, reasonable in design that the purpose of the utility model is to provide, and need not the hand rest textbook, thereby make things convenient for teacher on blackboard, to write for a long time, can alleviate the auxiliary bookshelf of teaching of teacher's burden.
For reaching above purpose, the technical scheme that the utility model adopted is: bookshelf is assisted in this teaching, is made up of base, sleeve and book supporting board; It is characterized in that: fixing upper bush at the upper face of base middle part; In sleeve, be inserted with expansion link, the inner chamber of sleeve is inserted in the bottom of expansion link, fixes with positioning screw; And can upper and lower slip in the chamber of sleeve, be provided with book supporting board in the upper end of expansion link.
The utility model is also implemented through following measure: the centre of described book supporting board is provided with vertical concave surface, is provided with symmetrical " U " shape at the and arranged on left and right sides edge of book supporting board and presses book clamp.
The beneficial effect of the utility model is: simple in structure, reasonable in design, and need not the hand rest textbook, thereby make things convenient for teacher on blackboard, to write for a long time, can alleviate teacher's burden.
Description of drawings
Fig. 1 looks sketch map for the utility model structure master.
Among the figure: 1, base; 2, sleeve; 3, book supporting board; 4, expansion link; 5, positioning screw; 6, concave surface; 7, " U " shape is pressed book clamp.
The specific embodiment
Make the utility model with reference to accompanying drawing 1.The auxiliary bookshelf of this teaching is made up of base 1, sleeve 2 and book supporting board 3, it is characterized in that: the fixing upper bush 2 at the upper face middle part of base 1; In sleeve 2, be inserted with expansion link 4; The inner chamber of sleeve 2 is inserted in the bottom of expansion link 4, fixes with positioning screw 5, and can upper and lower slip in the chamber of sleeve 2; Height through regulating expansion link 4 is provided with book supporting board 3 to adapt to teacher's height in the upper end of expansion link 4.
The centre of described book supporting board 3 is provided with vertical concave surface 6, to place textbook, is provided with symmetrical " U " shape at the and arranged on left and right sides edge of book supporting board 3 and presses book clamp 7, when making things convenient for the content of teacher on copying textbook, the both sides of textbook is fixed.
Claims (2)
1. bookshelf is assisted in a teaching; Be made up of base (1), sleeve (2) and book supporting board (3), it is characterized in that: the fixing upper bush (2) at the upper face middle part of base (1) is inserted with expansion link (4) in sleeve (2); The inner chamber of sleeve (2) is inserted in the bottom of expansion link (4); Fixing with positioning screw (5), and can upper and lower slip in the chamber of sleeve (2), book supporting board (3) be provided with in the upper end of expansion link (4).
2. bookshelf is assisted in teaching according to claim 1, it is characterized in that: the centre of described book supporting board (3) is provided with vertical concave surface (6), is provided with symmetrical " U " shape at the and arranged on left and right sides edge of book supporting board (3) and presses book clamp (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202965015U CN202618818U (en) | 2012-06-16 | 2012-06-16 | Auxiliary bookshelf for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202965015U CN202618818U (en) | 2012-06-16 | 2012-06-16 | Auxiliary bookshelf for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202618818U true CN202618818U (en) | 2012-12-26 |
Family
ID=47372081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202965015U Expired - Fee Related CN202618818U (en) | 2012-06-16 | 2012-06-16 | Auxiliary bookshelf for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202618818U (en) |
-
2012
- 2012-06-16 CN CN2012202965015U patent/CN202618818U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150616 |
|
| EXPY | Termination of patent right or utility model |