CN204242413U - A kind of history teaching aid - Google Patents
A kind of history teaching aid Download PDFInfo
- Publication number
- CN204242413U CN204242413U CN201420697621.5U CN201420697621U CN204242413U CN 204242413 U CN204242413 U CN 204242413U CN 201420697621 U CN201420697621 U CN 201420697621U CN 204242413 U CN204242413 U CN 204242413U
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- CN
- China
- Prior art keywords
- plectane
- semi
- base plate
- circular recesses
- fan section
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- 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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Abstract
The utility model relates to a kind of history teaching aid.This teaching aid comprises base plate, base plate is provided with the first plectane, the second plectane is established outside the first plectane, first, two plectane concentrics are arranged and are connected by rotating shaft, the first plectane outside surface circumferentially evenly homalographic establish some fan sections, on the second plectane, on corresponding first plectane, a fan-shaped pylone identical with single fan section angle on the first plectane is established in position, single fan section, a semi-circular recesses is equipped with in the angular bisector position in the corresponding each fan section of the first plectane outward flange, the inside surface of each semi-circular recesses is provided with two pole pieces all relatively, two pole piece bottom part Tong Guo not be connected with a phonetic controller by a wire, each phonetic controller respectively by a wire be located at a loudspeaker on base plate and be connected, blind hole groove is provided with in the angular bisector position of the corresponding fan-shaped pylone of the second plectane outward flange, a spring is established in blind hole groove, the one top prill be pressed on spring is installed in semi-circular recesses and abuts with two pole pieces.
Description
(1) technical field
The utility model relates to teaching aid field, particularly relates to a kind of history teaching aid.
(2) background technology
In historical teaching and study, relate to a large amount of historical events relevant with the time, be easy to obscure, student only looks into book simply and ransacks, and memory effect is poor, and efficiency is low, teaching is also unfavorable for teacher concludes, sums up.Therefore, look for a kind ofly contribute to learning, memory and the teaching aid of induction and conclusion historical knowledge very necessary.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides a kind of practicality directly perceived, contributes to study, memory and induction and conclusion, and can play the history teaching aid of voice, solve problems of the prior art.
The utility model is achieved by the following technical solution:
A kind of history teaching aid, comprise base plate, base plate is provided with the first plectane, the second plectane is provided with outside the first plectane, first plectane and the second plectane concentric are arranged and are flexibly connected by rotating shaft, a link is provided with in base plate upper end, a base is provided with in base plate lower end, on the first plectane outside surface, circumferentially evenly homalographic is provided with the fan section of several band historical knowledges, on the second plectane, on corresponding first plectane, the position in single fan section is provided with a fan-shaped pylone identical with the single fan section angle on the first plectane, a semi-circular recesses is equipped with in the position of the angular bisector in the corresponding each fan section of the outward flange of the first plectane, the inside surface of each semi-circular recesses is provided with two pole pieces all relatively, the bottom of two pole pieces is connected with a phonetic controller respectively by a wire, each phonetic controller is connected with the loudspeaker be located on base plate respectively by a wire, a blind hole groove relative with semi-circular recesses position is provided with in the position of the angular bisector of the corresponding fan-shaped pylone of the outward flange of the second plectane, a spring is provided with in blind hole groove, the one top prill be pressed on spring is installed in semi-circular recesses and abuts with two pole pieces.
The beneficial effects of the utility model are: this history teaching aid all records relevant historical knowledge point in each fan section of the first plectane, second plectane is provided with the fan-shaped pylone seeing knowledge content in single fan section on the first plectane, independent study can be carried out to the knowledge content in each fan section, prevent content on plectane from showing the learning interference caused too much, improve learning quality, prill on second plectane with on the first plectane to should the coordinating of semi-circular recesses of prill, the fan-shaped pylone on it can be made in the second plectane rotation process just in time relative with the single fan section of on the first plectane, avoiding in the second plectane rotation process is staggeredly located with the first plectane produces the problem that content blocks, and ensure that student normally learns, in addition, the inside surface of each semi-circular recesses is all oppositely arranged two pole pieces, the bottom of two pole pieces is connected with a phonetic controller respectively by a wire, each phonetic controller is connected with the loudspeaker be located on base plate respectively by a wire, when prill is stuck in semi-circular recesses, abut against with two pole pieces, now just in time connect phonetic controller corresponding to this fan section, historical knowledge content in this fan section can be carried out speech play by loudspeaker by phonetic controller, knowledge content can not only be seen intuitively, can also hear, results of learning are better, also for teaching provides accessory pathway.This history teaching aid contributes to the induction and conclusion of the content of courses and the study of student, enhances learning and memory efficiency, improves classroom efficiency.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that A-A in Fig. 1 is to sectional structure schematic diagram;
Fig. 3 is the outer surface structure schematic diagram of the utility model first plectane;
Fig. 4 is the B portion structure for amplifying schematic diagram in Fig. 2;
Fig. 5 is the outer surface structure schematic diagram of the utility model second plectane.
In figure, 1 base plate, 2 first plectanes, 3 second plectanes, 4 links, 5 bases, 6 loudspeakers, 7 semi-circular recesses, 8 fan-shaped pylones, 9 prills, 10 springs, 11 blind hole grooves, 12 pole pieces, 13 phonetic controllers.
(5) embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As Figure 1-5, a kind of history teaching aid, comprise base plate, base plate is provided with the first plectane, the second plectane is provided with outside the first plectane, first plectane and the second plectane concentric are arranged and are flexibly connected by rotating shaft, a link is provided with in base plate upper end, a base is provided with in base plate lower end, on the outside surface of the first plectane, circumferentially evenly homalographic is provided with the fan section of several band historical knowledges, the position in the single fan section on the second plectane on corresponding first plectane is provided with a fan-shaped pylone identical with the single fan section angle on the first plectane, a semi-circular recesses is equipped with in the position of the angular bisector in the corresponding each fan section of the outward flange of the first plectane, the inside surface of each semi-circular recesses is provided with two pole pieces all relatively, the bottom of two pole pieces is connected with a voice device respectively by a wire, each phonetic controller is connected with the loudspeaker be located on base plate respectively by a wire, a blind hole groove relative with semi-circular recesses position is provided with in the position of the angular bisector of the corresponding fan-shaped pylone of the outward flange of the second plectane, a spring is provided with in blind hole groove, the one top prill be pressed on spring is installed in semi-circular recesses and abuts with two pole pieces.
Before using, each knowledge point is recorded in each fan section on the first plectane 2 by teacher or student respectively, first plectane 2 is fixed on base plate 1, second plectane 3 is arranged on outside the first plectane 2 by rotating shaft, and in the semi-circular recesses 7 that the prill 9 on the second plectane 3 is installed on the first plectane 2.During use, pull the second plectane 3 with hand to rotate, when the prill 9 on the second plectane 3 snaps in the semi-circular recesses 7 on the first plectane 2 under the effect of spring 10, knowledge content in fan section corresponding to semi-circular recesses 7 is just revealed by the fan-shaped pylone 8 on the second plectane 3, simultaneously, prill 9 contacts with two pole pieces 12 in semi-circular recesses 7, phonetic controller 13 corresponding for this fan section is connected, start voice play function, voice content just transmits out by loudspeaker 6, knowledge content can not only be seen intuitively, can also hear, results of learning are better, this district's content finishes, repeat aforesaid operations and be rotated further the second plectane 3, when in the next semi-circular recesses 7 that prill 8 snaps in the first plectane 2, the knowledge content appeared in fan section corresponding to next semi-circular recesses 7 is carried out speech play by phonetic controller 13 through loudspeaker 6, all knowledge points in Using such method study, memory disk, simple and fast, enhances learning and memory efficiency, improves classroom efficiency.
The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (1)
1. a history teaching aid, it is characterized in that: comprise base plate, base plate is provided with the first plectane, the second plectane is provided with outside the first plectane, first plectane and the second plectane concentric are arranged and are flexibly connected by rotating shaft, a link is provided with in base plate upper end, a base is provided with in base plate lower end, on the outside surface of the first plectane, circumferentially evenly homalographic is provided with the fan section of several band historical knowledges, on the second plectane, on corresponding first plectane, the position in single fan section is provided with a fan-shaped pylone identical with the single fan section angle on the first plectane, a semi-circular recesses is equipped with in the position of the angular bisector in the corresponding each fan section of the outward flange of the first plectane, the inside surface of each semi-circular recesses is provided with two pole pieces all relatively, the bottom of two pole pieces is connected with a phonetic controller respectively by a wire, each phonetic controller is connected with the loudspeaker be located on base plate respectively by a wire, a blind hole groove relative with semi-circular recesses position is provided with in the position of the angular bisector of the corresponding fan-shaped pylone of the outward flange of the second plectane, a spring is provided with in blind hole groove, the one top prill be pressed on spring is installed in semi-circular recesses and abuts with two pole pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697621.5U CN204242413U (en) | 2014-11-19 | 2014-11-19 | A kind of history teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697621.5U CN204242413U (en) | 2014-11-19 | 2014-11-19 | A kind of history teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242413U true CN204242413U (en) | 2015-04-01 |
Family
ID=52771877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420697621.5U Expired - Fee Related CN204242413U (en) | 2014-11-19 | 2014-11-19 | A kind of history teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875758A (en) * | 2017-02-28 | 2017-06-20 | 李汪洋 | A kind of instrument of CAL history |
| CN112270870A (en) * | 2020-11-28 | 2021-01-26 | 郑州大学体育学院 | Carousel formula english word memory device that is interesting strong |
-
2014
- 2014-11-19 CN CN201420697621.5U patent/CN204242413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875758A (en) * | 2017-02-28 | 2017-06-20 | 李汪洋 | A kind of instrument of CAL history |
| CN112270870A (en) * | 2020-11-28 | 2021-01-26 | 郑州大学体育学院 | Carousel formula english word memory device that is interesting strong |
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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: 20150401 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |