CN203644257U - English teaching aid - Google Patents
English teaching aid Download PDFInfo
- Publication number
- CN203644257U CN203644257U CN201420019847.XU CN201420019847U CN203644257U CN 203644257 U CN203644257 U CN 203644257U CN 201420019847 U CN201420019847 U CN 201420019847U CN 203644257 U CN203644257 U CN 203644257U
- Authority
- CN
- China
- Prior art keywords
- card
- support
- teaching aid
- chain
- switch
- 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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Abstract
The utility model provides an English teaching aid. According to the English teaching aid of the utility model, the lower end of a support is fixedly connected with a counterweight base; a single-phase positive and negative rotation motor is fixed on the counterweight base; a lower chain wheel is fixedly connected with the output shaft of the positive and negative rotation motor; an upper chain wheel is arranged at an upper portion of the support; the lower chain wheel is in transmission connection with the upper chain wheel through a chain; the chain is provided with a first card clip and a second card chip; a lower portion of the support is provided with a lower portion travel switch; and an upper portion of the support is provided with an upper portion travel switch. In a lecture, a required card can be inserted into one card clip, and one switch is pressed, and the card can ascend with the chain, and when the card clip touch the upper portion travel switch, the motor is powered off, and the content of the card is displayed for students, and a teacher can clamp a next card on the other card clip when giving a lecture, and presses the other switch, and as a result, the card at a higher position descends, and the card at a lower position ascends, and the cards descend and ascend alternately. With the English teaching aid of the utility model adopted, the teacher does not need to raise hands. The English teaching aid is very suitable for a situation in which the teacher can be seated to gives lectures.
Description
Technical field
The utility model relates to a kind of English-teaching aid, belongs to teaching aid technical field.
Background technology
English teacher writes letter written with chalk in order to reduce in teaching on blackboard, conventionally all make in advance some cards relevant to the content of courses, in the time talking about that word, just the card with this word is lifted, not only saved the time of writing on blackboard, also strengthened the continuity of teaching, but frequent raising one's hand is also very tired, but also the teaching that can not be seated, because be seated teaching, even if the classmate who puts your hands up below is also not easy to see.
Summary of the invention
The purpose of this utility model is the problem existing in order to solve above-mentioned prior art, often raises one's hand also very tiredly, but also the teaching that can not be seated, because be seated teaching, even if the classmate who puts your hands up below is also not easy to see.And then provide a kind of English-teaching aid.
The purpose of this utility model is achieved through the following technical solutions:
A kind of English-teaching aid, comprise: counter weight base, single-phase clockwise and anticlockwise motor, support, two-direction switch, lower sprocket, the first card clip, lower run switch, chain, upper sprocket wheel, the second card clip, upper run switch and wheel box, the lower end of described support is fixedly connected with counter weight base, single-phase clockwise and anticlockwise motor is fixed on counter weight base, the input end of wheel box is connected with the output terminal of single-phase clockwise and anticlockwise motor, lower sprocket is connected with the output terminal of wheel box, two-direction switch is arranged on counter weight base, upper sprocket wheel is arranged on the top of support, between lower sprocket and upper sprocket wheel, connected by chain drive, chain is provided with the first card clip and the second card clip, the bottom of support is provided with lower run switch, the top of support is provided with upper run switch.
A kind of English-teaching aid of the utility model, say class hour, need which card just which card to be inserted in card clip, click switch, card is along with chain rises, in the time that card clip is encountered upper run switch, motor stops, the content displaying of card in face of classmate, teacher can say while next card holder in another card clip, click another switch, the card of top declines, and following card rises, alternate with each other.Teacher need not raise one's hand again, is applicable to very much teacher's teaching that is seated.The utility model is applicable to teaching and uses, and can improve student's learning interest in teaching, alleviates teacher's burden.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model English-teaching aid;
Fig. 2 is that the A of Fig. 1 is to view (without protecting cover 6).
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: the present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, a kind of English-teaching aid that the present embodiment is related, comprise: counter weight base 1, single-phase clockwise and anticlockwise motor 2, support 3, two-direction switch 5, lower sprocket 7, the first card clip 8, lower run switch 9, chain 10, upper sprocket wheel 11, the second card clip 12, upper run switch 13 and wheel box 14, the lower end of described support 3 is fixedly connected with counter weight base 1, single-phase clockwise and anticlockwise motor 2 is fixed on counter weight base 1, the input end of wheel box 14 is connected with the output terminal of single-phase clockwise and anticlockwise motor 2, lower sprocket 7 is connected with the output terminal of wheel box 14, two-direction switch 5 is arranged on counter weight base 1, upper sprocket wheel 11 is arranged on the top of support 3, between lower sprocket 7 and upper sprocket wheel 11, be in transmission connection by chain 10, chain 10 is provided with the first card clip 8 and the second card clip 12, the bottom of support 3 is provided with lower run switch 9, the top of support 3 is provided with upper run switch 13.
Further, also comprise protecting cover 6, the top of described protecting cover 6 is connected with support 3, and the bottom of protecting cover 6 is connected with counter weight base 1, is provided with card clip walking passage 4 between protecting cover 6 and support 3.The effect of protecting cover 6 is scratching human body or pollution clothes while preventing chain walking.
The above; it is only preferably embodiment of the utility model; these embodiments are all the different implementations based under the utility model general idea; and protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (2)
1. an English-teaching aid, comprise: counter weight base (1), single-phase clockwise and anticlockwise motor (2), support (3), two-direction switch (5), lower sprocket (7), the first card clip (8), lower run switch (9), chain (10), upper sprocket wheel (11), the second card clip (12), upper run switch (13) and wheel box (14), it is characterized in that, the lower end of described support (3) is fixedly connected with counter weight base (1), single-phase clockwise and anticlockwise motor (2) is fixed on counter weight base (1), the input end of wheel box (14) is connected with the output terminal of single-phase clockwise and anticlockwise motor (2), lower sprocket (7) is connected with the output terminal of wheel box (14), two-direction switch (5) is arranged on counter weight base (1), upper sprocket wheel (11) is arranged on the top of support (3), between lower sprocket (7) and upper sprocket wheel (11), be in transmission connection by chain (10), chain (10) is provided with the first card clip (8) and the second card clip (12), the bottom of support (3) is provided with lower run switch (9), the top of support (3) is provided with upper run switch (13).
2. English-teaching aid according to claim 1, it is characterized in that, also comprise protecting cover (6), the top of described protecting cover (6) is connected with support (3), the bottom of protecting cover (6) is connected with counter weight base (1), is provided with card clip walking passage (4) between protecting cover (6) and support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019847.XU CN203644257U (en) | 2014-01-14 | 2014-01-14 | English teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019847.XU CN203644257U (en) | 2014-01-14 | 2014-01-14 | English teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644257U true CN203644257U (en) | 2014-06-11 |
Family
ID=50875485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019847.XU Expired - Fee Related CN203644257U (en) | 2014-01-14 | 2014-01-14 | English teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376748A (en) * | 2014-12-11 | 2015-02-25 | 黑龙江八一农垦大学 | Novel English listening comprehension training device and method |
| CN109697893A (en) * | 2019-01-26 | 2019-04-30 | 黄河科技学院 | A kind of instructional device comparing Chinese and western callisthenics difference |
| CN110070782A (en) * | 2019-06-10 | 2019-07-30 | 黑龙江工程学院 | A kind of auxiliary English word memorizing device |
-
2014
- 2014-01-14 CN CN201420019847.XU patent/CN203644257U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376748A (en) * | 2014-12-11 | 2015-02-25 | 黑龙江八一农垦大学 | Novel English listening comprehension training device and method |
| CN109697893A (en) * | 2019-01-26 | 2019-04-30 | 黄河科技学院 | A kind of instructional device comparing Chinese and western callisthenics difference |
| CN110070782A (en) * | 2019-06-10 | 2019-07-30 | 黑龙江工程学院 | A kind of auxiliary English word memorizing device |
| CN110070782B (en) * | 2019-06-10 | 2021-03-12 | 黑龙江工程学院 | Auxiliary English word memory device |
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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: 20140611 Termination date: 20170114 |