CN204071080U - A kind of writing on the blackboard books clamp structure - Google Patents
A kind of writing on the blackboard books clamp structure Download PDFInfo
- Publication number
- CN204071080U CN204071080U CN201420548708.6U CN201420548708U CN204071080U CN 204071080 U CN204071080 U CN 204071080U CN 201420548708 U CN201420548708 U CN 201420548708U CN 204071080 U CN204071080 U CN 204071080U
- Authority
- CN
- China
- Prior art keywords
- riser
- blackboard
- books
- locating hole
- crossbeam
- 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
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a kind of writing on the blackboard books clamp structure, comprises blackboard, and the upper and lower side of described blackboard is fixedly installed crossbeam and base plate respectively, and the vertical direction of crossbeam has square opening, and base plate is provided with opening up groove; Be provided with the riser suitable with it in square opening, riser can laterally slide; The bigger diameter end of described riser is positioned at above crossbeam, and the other end of riser inserts groove through square opening; Described riser divides and is distributed with locating hole, and be provided with the L-type bookshelf plate suitable with locating hole; Be provided with the locating dowel suitable with locating hole on the left of described bookshelf plate, the protruding parts, right side of bookshelf plate is provided with blend stop.The utility model structure is simple, and can books are placed on bookshelf plate, blend stop can prevent books from skidding off; To be slided by the transverse direction of riser and bookshelf plate regulates relative to the upper-lower position of riser, realize the transverse direction of books and vertical position adjustments.
Description
Technical field
The utility model belongs to teaching aid field, especially relates to a kind of writing on the blackboard books clamp structure.
Background technology
At present, during teaching, teacher can write on blackboard, the understanding of auxiliary classmates, and so when writing, teachers need to hold textbook always, so that ensure to write correctly.Hold book for a long time, and need to keep books to translate into the page of specifying, there will be arm ache, affect the teaching mood of teachers and healthy.
Utility model content
Problem to be solved in the utility model is to provide a kind of writing on the blackboard books clamp structure, needs the worry of long-time hand-held books when solving writing on the blackboard.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of writing on the blackboard books clamp structure, comprises blackboard, and the upper and lower side of described blackboard is fixedly installed crossbeam and base plate respectively, the vertical direction of crossbeam has square opening, and base plate is provided with opening up groove; Be provided with the riser suitable with it in square opening, riser can laterally slide; The bigger diameter end of described riser is positioned at above crossbeam, and the other end of riser inserts groove through square opening; Described riser divides and is distributed with locating hole, and be provided with the L-type bookshelf plate suitable with locating hole; Be provided with the locating dowel suitable with locating hole on the left of described bookshelf plate, the protruding parts, right side of bookshelf plate is provided with blend stop.
Further, described locating dowel there is external screw thread.
The advantage that the utility model has and good effect are: the utility model structure is simple, and can books are placed on bookshelf plate, blend stop can prevent books from skidding off; To be slided by the transverse direction of riser and bookshelf plate regulates relative to the upper-lower position of riser, realize the transverse direction of books and vertical position adjustments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model middle cross beam;
Fig. 3 is the structural representation of bookshelf plate in the utility model;
Fig. 4 is the top view of Fig. 3.
In figure:
1-blackboard, 2-crossbeam, 3-riser, 4-bookshelf plate, 5-blend stop, 6-base plate, 21-square opening, 31-locating hole, 41-locating dowel, 61-groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
A kind of writing on the blackboard books clamp structure as shown in Figures 1 to 4, comprises blackboard 1, and the upper and lower side of described blackboard 1 is fixedly installed crossbeam 2 and base plate 6 respectively, and the vertical direction of crossbeam 2 has square opening 21, and base plate 6 is provided with opening up groove 61; Be provided with the riser 3 suitable with it in square opening 21, riser 3 can laterally slide; The bigger diameter end of described riser 3 is positioned at above crossbeam 2, and the other end of riser 3 inserts groove 61 through square opening 21; Described riser 3 divides and is distributed with locating hole 31, and be provided with the L-type bookshelf plate 4 suitable with locating hole 31; Be provided with the locating dowel 41 suitable with locating hole 31 on the left of described bookshelf plate 4, the protruding parts, right side of bookshelf plate 4 is provided with blend stop 5, can prevent books from skidding off.
The course of work of the present embodiment, first inserts the locating dowel 41 of bookshelf plate 4 in locating hole 31, and fixes with nut screwing clamping; Then books being translated into the number of pages of specifying is placed on bookshelf plate 4, prevents books from skidding off by blend stop 5; To be slided by the transverse direction of riser 3 and bookshelf plate 4 regulates relative to the upper-lower position of riser 3, realize the transverse direction of books and vertical position adjustments.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (2)
1. a writing on the blackboard books clamp structure, it is characterized in that: comprise blackboard (1), the upper and lower side of described blackboard (1) is fixedly installed crossbeam (2) and base plate (6) respectively, the vertical direction of crossbeam (2) has square opening (21), and base plate (6) is provided with opening up groove (61); Be provided with the riser (3) suitable with it in square opening (21), riser (3) can laterally slide; The bigger diameter end of described riser (3) is positioned at crossbeam (2) top, and the other end of riser (3) inserts groove (61) through square opening (21); Upper point of described riser (3) is distributed with locating hole (31), and is provided with the L-type bookshelf plate (4) suitable with locating hole (31); Described bookshelf plate (4) left side is provided with the locating dowel (41) suitable with locating hole, the protruding parts, right side of bookshelf plate (4) is provided with blend stop (5).
2. writing on the blackboard books clamp structure according to claim 1, is characterized in that: (41) have external screw thread to described locating dowel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548708.6U CN204071080U (en) | 2014-09-23 | 2014-09-23 | A kind of writing on the blackboard books clamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548708.6U CN204071080U (en) | 2014-09-23 | 2014-09-23 | A kind of writing on the blackboard books clamp structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204071080U true CN204071080U (en) | 2015-01-07 |
Family
ID=52163862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548708.6U Expired - Fee Related CN204071080U (en) | 2014-09-23 | 2014-09-23 | A kind of writing on the blackboard books clamp structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204071080U (en) |
-
2014
- 2014-09-23 CN CN201420548708.6U patent/CN204071080U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20160923 |