CN208848433U - A kind of teaching aid for English Grammar Teaching - Google Patents
A kind of teaching aid for English Grammar Teaching Download PDFInfo
- Publication number
- CN208848433U CN208848433U CN201820914077.3U CN201820914077U CN208848433U CN 208848433 U CN208848433 U CN 208848433U CN 201820914077 U CN201820914077 U CN 201820914077U CN 208848433 U CN208848433 U CN 208848433U
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- CN
- China
- Prior art keywords
- fixedly connected
- teaching
- sides
- inserted link
- support plate
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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 discloses a kind of teaching aids for English Grammar Teaching, including bottom plate, support plate and clipboard, the upper end two sides of the bottom plate are fixedly connected with support plate, rack gear is fixedly connected on the inner back side wall of support plate, the front end of rack gear is engaged with gear, rotating bar is fixedly connected in the middle part of gear, clipboard is fixedly connected between the rotating bar of two sides, clipboard leading flank upper and lower side two sides are provided with locking device, locking device includes casing, sliding panel is slidably connected in casing, it is fixedly connected between sliding panel and the bottom surface of casing by telescopic rod, reset spring is arranged on telescopic rod, sliding panel is fixedly connected with the second inserted link far from one end of reset spring, the utility model structure is simple, design is reasonable, it can facilitate and be stablized and fixed, device can be gone up and down simultaneously, change conventional bolt adjusting side Formula not only facilitates, but also avoids the problem of bolt gets rusty easily.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of teaching aid for English Grammar Teaching.
Background technique
With the continuous propulsion of internationalization process, the tide that China studies English also is being continuously improved, and grammer is that study is appointed
When what language must to master a part, English is no exception, therefore many English Grammar abilities that are conducive to occurs and improve
Teaching aid, but these teaching aids are mostly there is defect, such as the modern most structure of teaching aid is larger, motor-driven
Property it is poor, it has not been convenient to moved, cannot be shifted in each teaching point, and be not easy to be stablized, it is in addition modern
Teaching aid is generally still write by the way of clipboard, and traditional clipboard not can be carried out height and adjust, in light
Under darker environment, be inconvenient to watch positioned at the student of heel row, reduce learning efficiency, modern lift adjustment is convenient generally to be passed through
Bolt is completed, and it is not only inconvenient that bolt is adjusted, but also there are problems that bolt is easy corrosion.
For this purpose, being directed to the problems mentioned above in the background art, those skilled in the art propose a kind of novel English
Grammar teaching apparatus.
Utility model content
The purpose of this utility model is to provide a kind of teaching aids for English Grammar Teaching, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of teaching aid for English Grammar Teaching, including bottom plate, support plate and clipboard, the lower end two sides of the bottom plate
It is rotatably connected to support shaft by bearing, the lower end of support shaft is fixedly connected with wheel carrier；It is rotatably connected in the wheel carrier
Axletree is fixedly connected with wheel in the middle part of axletree, and the two sides of axletree are pierced by wheel carrier and are fixedly connected with limit plate, wherein
Sliding plug has the first inserted link on one piece of limit plate, and the side that wheel carrier is located at the first inserted link offers on the side of wheel carrier
One the first jack of circle；The upper end two sides of the bottom plate are fixedly connected with support plate, and support plate is the structure of inner hollow, support plate
Inner back side wall on be fixedly connected with rack gear, the front end of rack gear is engaged with gear, is fixedly connected with rotating bar in the middle part of gear；
Clipboard is rotatably connected between the rotating bar of the two sides, clipboard leading flank upper and lower side two sides are provided with locking device；Institute
Stating locking device includes casing, and casing is fixedly connected with clipboard, slidably connects sliding panel in casing, sliding panel and casing
It is fixedly connected between bottom surface by telescopic rod, reset spring is arranged on telescopic rod；The sliding panel far from reset spring one
End is fixedly connected with the second inserted link, and swinging plate is fixedly connected on the second inserted link, is opened up from top to bottom on the medial surface of support plate
There is vertical one to arrange the 2nd jack.
Further, first jack and the first inserted link, which cooperate, is arranged.
Further, the rotating bar is passed through and is provided in the through slot on support plate left and right side.
Further, the telescopic rod includes mutually sliding the outer tube being arranged and inner tube.
Further, the two sides of the reset spring are fixedly connected with casing and sliding panel respectively.
Further, second jack and the second inserted link, which cooperate, is arranged.
Compared with prior art, the utility model has the beneficial effects that device is moved by the wheel of bottom end, support
Axis and bearing cooperate, shift direction when facilitating device mobile, and the first inserted link and the first jack grafting facilitate device to stablize
Firmly, due to being provided with first jack of circle, convenient for the grafting of the first inserted link, the first jack and first can be allowed without excessively adjusting
Jack grafting, by rotating rotating bar, since gear is engaged with rack gear, so that rotating bar during rotation being capable of conscientious liter
Drop, so that clipboard is driven to be gone up and down, writing on the blackboard content convenient for student viewing, when clipboard is elevated to a position,
By allowing the second inserted link and one of them second jack grafting, by reset spring, to guarantee second so that clipboard is stablized
Inserted link, which is inserted into, to be kept stablizing in the second jack, and in addition swinging plate facilitates the second inserted link to extract out out of second jack, facilitates adjusting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the teaching aid for English Grammar Teaching.
Fig. 2 is the structural schematic diagram for wheel carrier in the teaching aid of English Grammar Teaching.
Fig. 3 is the structural schematic diagram for the first jack in the teaching aid of English Grammar Teaching.
Fig. 4 is for the teaching aid middle gear of English Grammar Teaching and the side view of rack gear.
Fig. 5 is the side view for support plate in the teaching aid of English Grammar Teaching.
Fig. 6 is the structural schematic diagram for locking device in the teaching aid of English Grammar Teaching.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-6, a kind of teaching aid for English Grammar Teaching, including bottom plate 7, support plate 1 and clipboard 5, institute
The lower end two sides for stating bottom plate 7 are rotatably connected to support shaft 9 by bearing 8, and the lower end of support shaft 9 is fixedly connected with wheel carrier 10；
It is rotatably connected to axletree 15 in the wheel carrier 10, the middle part of axletree 15 is fixedly connected with wheel 16, and the two of axletree 15
Side is pierced by wheel carrier 10 and is fixedly connected with limit plate 23, and sliding plug has the first inserted link 13, wheel on one of limit plate 23
The side that frame 10 is located at the first inserted link 13 offers first jack of circle 14 on the side of wheel carrier 10；The bottom plate 7 it is upper
End two sides are fixedly connected with support plate 1, and support plate 1 is the structure of inner hollow, are fixedly connected on the inner back side wall of support plate 1
There is rack gear 2, the front end of rack gear 2 is engaged with gear 3, and the middle part of gear 3 is fixedly connected with rotating bar 4；The rotating bar 4 of the two sides
Between be rotatably connected to clipboard 5,5 leading flank upper and lower side two sides of clipboard are provided with locking device 6；The locking device 6 wraps
Casing 19 is included, casing 19 is fixedly connected with clipboard 5, and sliding panel 20, sliding panel 20 and casing 19 are slidably connected in casing 19
Bottom surface between be fixedly connected by telescopic rod 22, reset spring 21 is arranged on telescopic rod 22；The sliding panel 20 is far from multiple
One end of position spring 21 is fixedly connected with the second inserted link 17, is fixedly connected with swinging plate 18 on the second inserted link 17, support plate 1 it is interior
Vertical one is offered on side from top to bottom and arranges the 2nd jack 12.
Above-mentioned, the first jack 14 and the first inserted link 13 cooperate and are arranged.
Above-mentioned, rotating bar 4 is passed through and is provided in the through slot 11 on 1 left and right side of support plate.
Above-mentioned, telescopic rod 22 includes mutually sliding the outer tube being arranged and inner tube.
Above-mentioned, the two sides of reset spring 21 are fixedly connected with casing 19 and sliding panel 20 respectively.
Above-mentioned, the second jack 12 and the second inserted link 17 cooperate and are arranged.
The working principle of the utility model is: device is moved by the wheel 16 of bottom end, support shaft 9 and 8 phase of bearing
Mutually cooperation, shift direction when facilitating device mobile, 14 grafting of the first inserted link 13 and the first jack facilitate device stabilized, due to
Provided with first jack 14 of circle, convenient for the grafting of the first inserted link 13, the first jack 13 and first can be allowed without excessively adjusting
14 grafting of jack, by rotating rotating bar 4, since gear 3 is engaged with rack gear 2, so that rotating bar 4 can be use up during rotation
Heart lifting, so that clipboard 5 is driven to be gone up and down, writing on the blackboard content convenient for student viewing, when clipboard 5 is elevated to a position
When, by allowing the second inserted link 17 and one of them 12 grafting of the second jack to pass through reset bullet so that clipboard 5 is stablized
Spring 21 guarantees to keep stablizing in the second jack of the second inserted link 17 insertion 12, and in addition swinging plate 18 facilitates the second inserted link 17 from second
Extraction, facilitates adjusting in jack 12.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (6)
1. a kind of teaching aid for English Grammar Teaching, including bottom plate, support plate and clipboard, which is characterized in that the bottom plate
Lower end two sides support shaft is rotatably connected to by bearing, the lower end of support shaft is fixedly connected with wheel carrier；In the wheel carrier
It is rotatably connected to axletree, wheel is fixedly connected in the middle part of axletree, the two sides of axletree are pierced by wheel carrier and are fixedly connected with
Limit plate, sliding plug has the first inserted link on one of limit plate, and wheel carrier is located at the side of the first inserted link in wheel carrier
First jack of circle is offered on side；The upper end two sides of the bottom plate are fixedly connected with support plate, and support plate is inner hollow
Structure, be fixedly connected with rack gear on the inner back side wall of support plate, the front end of rack gear is engaged with gear, and the middle part of gear is fixed
It is connected with rotating bar；Clipboard, the setting of clipboard leading flank upper and lower side two sides are rotatably connected between the rotating bar of the two sides
There is locking device；The locking device includes casing, and casing is fixedly connected with clipboard, and sliding panel is slidably connected in casing,
It is fixedly connected between sliding panel and the bottom surface of casing by telescopic rod, reset spring is arranged on telescopic rod；The sliding panel is remote
One end from reset spring is fixedly connected with the second inserted link, and swinging plate, the medial surface of support plate are fixedly connected on the second inserted link
On offer vertical one from top to bottom and arrange the 2nd jack.
2. the teaching aid according to claim 1 for English Grammar Teaching, which is characterized in that first jack and first
Inserted link, which cooperates, to be arranged.
3. the teaching aid according to claim 1 for English Grammar Teaching, which is characterized in that the rotating bar is passed through and opened up
In the through slot on support plate left and right side.
4. the teaching aid according to claim 1 for English Grammar Teaching, which is characterized in that the telescopic rod includes mutual
Slide the outer tube being arranged and inner tube.
5. the teaching aid according to claim 1 for English Grammar Teaching, which is characterized in that the two sides of the reset spring
It is fixedly connected respectively with casing and sliding panel.
6. the teaching aid according to claim 1 for English Grammar Teaching, which is characterized in that second jack and second
Inserted link, which cooperates, to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914077.3U CN208848433U (en) | 2018-06-13 | 2018-06-13 | A kind of teaching aid for English Grammar Teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914077.3U CN208848433U (en) | 2018-06-13 | 2018-06-13 | A kind of teaching aid for English Grammar Teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848433U true CN208848433U (en) | 2019-05-10 |
Family
ID=66352220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820914077.3U Expired - Fee Related CN208848433U (en) | 2018-06-13 | 2018-06-13 | A kind of teaching aid for English Grammar Teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208848433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164253A (en) * | 2019-06-01 | 2019-08-23 | 江苏经贸职业技术学院 | A kind of English teaching board convenient for operation demonstration |
-
2018
- 2018-06-13 CN CN201820914077.3U patent/CN208848433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164253A (en) * | 2019-06-01 | 2019-08-23 | 江苏经贸职业技术学院 | A kind of English teaching board convenient for operation demonstration |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20200613 |