CN213757160U - Teaching aid for junior middle school mathematics teaching - Google Patents
Teaching aid for junior middle school mathematics teaching Download PDFInfo
- Publication number
- CN213757160U CN213757160U CN202022137650.4U CN202022137650U CN213757160U CN 213757160 U CN213757160 U CN 213757160U CN 202022137650 U CN202022137650 U CN 202022137650U CN 213757160 U CN213757160 U CN 213757160U
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- Prior art keywords
- book
- cover
- page
- page turning
- vertical rod
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model discloses a teaching aid for junior middle school mathematics teaching, which comprises a book packaging mechanism and a page turning retaining mechanism; the book packaging mechanism comprises a book cover front cover, a book cover back cover and a book spine fixing block which are integrally arranged; the book cover front cover and the book cover back cover are respectively sleeved on the book cover front side and the book cover back side of the textbook; the page turning retaining mechanism comprises a vertical rod sleeve arranged in the spine fixing block, a return spring is arranged at the bottom of the vertical rod sleeve, the other end of the return spring is fixedly connected with a vertical rod, a rotating shaft is arranged at the top of the vertical rod, a page turning retaining plate is fixedly arranged on the rotating shaft, and a page blocking rod is arranged on the page turning retaining plate; the page turning retaining mechanism can effectively prevent a textbook with a small opening book from being turned over due to the action of internal stress of the page in the process of writing on a blackboard and teaching by a teacher; meanwhile, the phenomenon that the traditional book cover is folded and damaged is avoided through the arranged book packaging mechanism.
Description
Technical Field
The utility model belongs to the technical field of the mathematics teaching aid, specific theory especially relates to a teaching aid is used in junior middle school's mathematics teaching.
Background
Mathematics is one of three major subjects of study in junior middle school, and in the course of teaching in mathematics, mr can pick up from books and copy a title and can place books on the podium after, then just blackboard writing for a long time, the lecture, generally, in the course of title blackboard writing, lecture, little textbook because the effect of the internal stress of page can be often after turning over, books can turn over the page automatically even merge by oneself, cause mr when explaining next title, need turn over the book again, seriously influenced the progress of teaching.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the technical scheme adopted by the utility model is that the utility model provides a teaching aid for junior high school mathematics teaching, which comprises a book packaging mechanism for packaging a book body and a page turning retaining mechanism for retaining the page not to automatically turn back and turn the page;
the book packaging mechanism comprises a book cover front cover, a book cover back cover and a book spine fixing block which are integrally arranged; the book cover front cover and the book cover back cover are respectively sleeved on the book cover front side and the book cover back side of the textbook;
the page turning and retaining mechanism comprises a vertical rod sleeve arranged inside the spine fixing block, a return spring is arranged at the bottom of the vertical rod sleeve, the other end of the return spring is fixedly connected with a vertical rod, a rotating shaft is arranged at the top of the vertical rod, a page turning and retaining plate is fixedly arranged on the rotating shaft, a page blocking rod mounting hole is formed in the page turning and retaining plate, and a page blocking rod is fixedly mounted in the page blocking rod mounting hole.
Preferably, the page blocking rod is a multi-section telescopic rod.
Preferably, the book cover front cover and the book cover back cover are both correspondingly provided with inward folded edges.
Has the advantages that: compared with the prior art, the utility model has the advantages and positive effects that the page turning retaining mechanism can effectively prevent the textbook with small opening book from being turned over due to the action of the internal stress of the page during the process of writing on a blackboard and teaching by a teacher; meanwhile, the phenomenon that the traditional book cover is folded and damaged is avoided through the arranged book packaging mechanism; the device has the advantages of simple structure, wide application range and strong practicability.
Drawings
FIG. 1 is a schematic view of an unused structure of a teaching aid for junior middle school mathematics teaching, after installation;
FIG. 2 is a diagram showing a structure of a teaching aid for teaching in junior middle school mathematics in a state after being installed;
fig. 3 is a back schematic view of the teaching device for junior middle school mathematics, which is not installed for use.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
In order to clearly understand the above objects, features and advantages of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
The teaching aid for junior high school mathematics teaching comprises a book packaging mechanism 2 for packaging a book body 1 and a page turning retaining mechanism 3 for retaining a page not to automatically turn back and forth;
the book packaging mechanism 2 comprises a book cover front cover 201, a book cover back cover 202 and a book spine fixing block 203 which are integrally arranged; the book cover front cover 201 and the book cover back cover 202 are respectively sleeved on the front side and the back side of the book cover of the textbook;
the page turning retaining mechanism comprises a vertical rod sleeve 301 arranged inside the spine fixing block 203, a return spring 302 is arranged at the bottom of the vertical rod sleeve 301, the other end of the return spring 302 is fixedly connected with a vertical rod 303, a rotating shaft 3004 is arranged at the top of the vertical rod 303, a page turning retaining plate 305 is fixedly arranged on the rotating shaft 304, a page blocking rod mounting hole is formed in the page turning retaining plate 305, and a page blocking rod 306 is fixedly arranged in the page blocking rod mounting hole.
Further, the page blocking rod 306 is a multi-section telescopic rod; in actual production, the telescopic link material can be selected to have certain elasticity, as long as can play fixed to books, prevent to turn over the page or leaf can.
Further, the front cover 201 and the back cover 202 of the book cover are both provided with inward folded edges 204 correspondingly; by means of the inward flanges 204, it is effectively ensured that the device can be mounted tightly with the book 1.
The working principle of the device is that,
when the device is used specifically, firstly, the device is sleeved on a book 1; when the teacher opens the book, the upright rod 303 is pulled out; the page turning retaining plate 305 is rotated, and when the page turning retaining plate 305 is parallel to the top of the book 1, the page blocking rod 306 is pulled out, so that the page of the book can be retained;
in the working principle, the page turning retaining mechanism can effectively prevent a textbook with a small opening book from being turned over due to the action of internal stress of the page during the process of writing on a blackboard and teaching by a teacher; meanwhile, the phenomenon that the traditional book cover is folded and damaged is avoided through the arranged book packaging mechanism; the device has the advantages of simple structure, wide application range and strong practicability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. A teaching aid for junior high school mathematics teaching is characterized by comprising a book packaging mechanism for packaging a book body and a page turning retaining mechanism for retaining a page not to automatically turn back;
the book packaging mechanism comprises a book cover front cover, a book cover back cover and a book spine fixing block which are integrally arranged; the book cover front cover and the book cover back cover are respectively sleeved on the book cover front side and the book cover back side of the textbook;
the page turning and retaining mechanism comprises a vertical rod sleeve arranged inside the spine fixing block, a return spring is arranged at the bottom of the vertical rod sleeve, the other end of the return spring is fixedly connected with a vertical rod, a rotating shaft is arranged at the top of the vertical rod, a page turning and retaining plate is fixedly arranged on the rotating shaft, and a page blocking rod is arranged on the page turning and retaining plate.
2. A teaching aid for junior middle school mathematics as claimed in claim 1, wherein the page bar is a multi-section telescopic bar.
3. A teaching aid for junior middle school mathematics as claimed in claim 1, wherein the front cover and the back cover of the cover are provided with inward folded edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137650.4U CN213757160U (en) | 2020-09-25 | 2020-09-25 | Teaching aid for junior middle school mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022137650.4U CN213757160U (en) | 2020-09-25 | 2020-09-25 | Teaching aid for junior middle school mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213757160U true CN213757160U (en) | 2021-07-23 |
Family
ID=76906463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022137650.4U Expired - Fee Related CN213757160U (en) | 2020-09-25 | 2020-09-25 | Teaching aid for junior middle school mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213757160U (en) |
-
2020
- 2020-09-25 CN CN202022137650.4U patent/CN213757160U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |