CN204720030U - Teaching aid for primary school English - Google Patents
Teaching aid for primary school English Download PDFInfo
- Publication number
- CN204720030U CN204720030U CN201520332672.2U CN201520332672U CN204720030U CN 204720030 U CN204720030 U CN 204720030U CN 201520332672 U CN201520332672 U CN 201520332672U CN 204720030 U CN204720030 U CN 204720030U
- Authority
- CN
- China
- Prior art keywords
- card
- slot
- convex lens
- box body
- teaching aid
- 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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- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model discloses a kind of teaching aid for primary school English, comprise a box body, described box body front portion is provided with convex lens, in box body, longitudinally a slot is set, and convex lens and slot space are continuously every corresponding, be provided with the card slot that is placed card in the box body at slot rear portion, in card slot, be placed with some primary schools English teaching card.When the utility model uses, from card slot, find the card needing demonstration, be inserted in the slot at convex lens rear portion, due to the amplification of convex lens, can from the content seen clearly more at a distance card, use of conveniently imparting knowledge to students.As required, the content of card is cashed and can be adopted different forms simultaneously, is conducive to increasing visual stimulus, improves the learning initiative of student.The utility model structure is simple, easy to use, is conducive to teaching and uses.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of little English learning apparatus.
Background technology
In current primary school English teaching, traditional English letter and phonetic symbol are write on small blackboard in advance of usual employing, its example sentence is write on blackboard again and is imparted knowledge to students, one spread effect more is intuitively lacked to Students ' Learning, Students ' Learning gets up to feel uninteresting, easy fatigue, and be difficult to memory and profound.
Chinese patent CN202331934U discloses a kind of teaching aid for primary school English, it adopts circular base, perpendicular to the rotating shaft at described base center, the excircle of described base is provided with sleeve, in described rotating shaft and in described sleeve, is provided with four runners from the top down.Although this patent have employed a kind of comparatively novel mode, because classroom is larger, student's ratio is more, and teaching aid is smaller, impact student viewing below, and stimulus to the sense organ neither be too obvious.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of structure simple, easy to operate, the teaching aid for primary school English more easily observed and remember.
For achieving the above object, the utility model adopts following technical proposals:
A kind of teaching aid for primary school English, comprise a box body, described box body front portion is provided with convex lens, in box body, longitudinally a slot is set, and convex lens and slot space are continuously every corresponding, be provided with the card slot that is placed card in the box body at slot rear portion, in card slot, be placed with some primary schools English teaching card.
The width of described slot is greater than one times of individual card thickness and is less than two times of individual card thickness, is convenient to insert the card in slot, and can ensures that card does not rock, and keeps the stability of card.
Described socket depth is less than the height of card, is convenient to the card of insertion to take out from slot.
The most nearest air line distance between distal edge and convex lens of described slot is less than 1 times of focal length of convex lens, and can ensure that the card be inserted in slot is within one times of focal length of convex lens all the time like this, time externally, card is in the state of amplification all the time.
Described card slot opening upwards, and the card slot degree of depth is the 1/2-2/3 of described card height, is convenient to deposit, search and take out card.
When the utility model uses, from card slot, find the card needing demonstration, be inserted in the slot at convex lens rear portion, due to the amplification of convex lens, can from the content seen clearly more at a distance card, use of conveniently imparting knowledge to students.As required, the content of card is cashed and can be adopted different forms simultaneously, is conducive to increasing visual stimulus, improves the learning initiative of student.The utility model structure is simple, easy to use, is conducive to teaching and uses.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Wherein, 1. box body, 2. convex lens, 3. slot, 4. card slot, 5. card.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, teaching aid for primary school English, comprise a box body 1, described box body 1 front portion is provided with convex lens 2, in box body 1, longitudinally a slot 3 is set, and convex lens 2 and slot 3 space are continuously every corresponding, are provided with the card slot 4 that is placed card 5 in the box body 1 at slot 3 rear portion, in card slot 4, are placed with some primary schools English teaching card 5.
The width of slot 3 is greater than one times of individual card thickness and is less than two times of individual card 5 thickness, is convenient to card 5 to be inserted in slot 3, and can ensures that card 5 does not rock, and keeps the stability of card 5.Slot 35 degree of depth is less than the height of card, is convenient to the card 5 inserted to take out from slot 3.
The most nearest air line distance between distal edge and convex lens 2 of slot 3 is less than 1 times of focal length of convex lens 2, and can ensure that the card 5 be inserted in slot 3 is within one times of focal length of convex lens 2 all the time like this, time externally, card 5 is in the state of amplification all the time.
Card slot 4 opening upwards, and card slot 4 degree of depth is the 1/2-2/3 of described card 5 height, is convenient to deposit, search and take out card.
When the utility model uses, from card slot 4, find the card 5 needing demonstration, be inserted in the slot 3 at convex lens 2 rear portion, due to the amplification of convex lens 2, can from the content seen clearly more at a distance card 5, use of conveniently imparting knowledge to students.As required, the content of card 5 is cashed and can be adopted different forms simultaneously, is conducive to increasing visual stimulus, improves the learning initiative of student.The utility model structure is simple, easy to use, is conducive to teaching and uses.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (5)
1. a teaching aid for primary school English, it is characterized in that, comprise a box body, described box body front portion is provided with convex lens, in box body, longitudinally a slot is set, and convex lens and slot space are continuously every corresponding, are provided with the card slot that is placed card in the box body at slot rear portion, in card slot, are placed with some primary schools English teaching card.
2. teaching aid for primary school English as claimed in claim 1, it is characterized in that, the width of described slot is greater than one times of individual card thickness and is less than two times of individual card thickness.
3. teaching aid for primary school English as claimed in claim 1 or 2, it is characterized in that, described socket depth is less than the height of card.
4. teaching aid for primary school English as claimed in claim 1 or 2, is characterized in that, the most nearest air line distance between distal edge and convex lens of described slot is less than 1 times of focal length of convex lens.
5. teaching aid for primary school English as claimed in claim 1, it is characterized in that, described card slot opening upwards, and the card slot degree of depth is the 1/2-2/3 of described card height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332672.2U CN204720030U (en) | 2015-05-21 | 2015-05-21 | Teaching aid for primary school English |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332672.2U CN204720030U (en) | 2015-05-21 | 2015-05-21 | Teaching aid for primary school English |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720030U true CN204720030U (en) | 2015-10-21 |
Family
ID=54319006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520332672.2U Expired - Fee Related CN204720030U (en) | 2015-05-21 | 2015-05-21 | Teaching aid for primary school English |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720030U (en) |
-
2015
- 2015-05-21 CN CN201520332672.2U patent/CN204720030U/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: 20151021 Termination date: 20160521 |