CN204414952U - A kind of portable English-teaching aid - Google Patents
A kind of portable English-teaching aid Download PDFInfo
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- CN204414952U CN204414952U CN201520126363.XU CN201520126363U CN204414952U CN 204414952 U CN204414952 U CN 204414952U CN 201520126363 U CN201520126363 U CN 201520126363U CN 204414952 U CN204414952 U CN 204414952U
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- cross bar
- vertical slats
- screw rod
- nut
- hole
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Abstract
The utility model provides a kind of portable English-teaching aid, belongs to teaching aid technical field.Arranged in parallel between described first vertical slats and the second vertical slats, the first cross bar, the second cross bar, equidistant and arranged in parallel between the first vertical slats and the second vertical slats between the 3rd cross bar and the 4th cross bar.First the first cross bar, the second cross bar and the 3rd cross bar are spun on above the first vertical slats by right side screw rod during use, again one end of the 4th cross bar to be inserted in the first vertical slats lower through-hole and to screw on the first nut, then the left side screw rod of the first cross bar, the second cross bar and the 3rd cross bar is inserted respectively three through holes in the second vertical slats, the other end of the 4th cross bar inserts the lower through-hole of the second vertical slats, then all nut is screwed on, finally inserted in the 4th cross bar by handle, a complete scriber just defines.The used time can not dismantle, and volume greatly reduces, and it is all convenient to carry and take care of.
Description
Technical field
The utility model relates to a kind of portable English-teaching aid, belongs to teaching aid technical field.
Background technology
In the teaching of the English class; often can use some teaching aids; the most frequently used teaching aid is exactly four line three lattice scribers, and existing scriber generally all can not be dismantled, and overall volume is larger; scriber also will be taken back office by teacher after class; carry and take care of all inconvenient, once certain parts damages, not easily change; substantially whole scriber just can not re-use, and is also a kind of waste for teaching aid.
Summary of the invention
The purpose of this utility model is to solve above-mentioned prior art Problems existing, namely existing scriber generally all can not be dismantled, overall volume is larger, carry and take care of all inconvenient, once certain parts damages, not easily change, substantially whole scriber just can not re-use, and is also a kind of waste for teaching aid.And then a kind of portable English-teaching aid is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of portable English-teaching aid, comprise: the first cross bar, second cross bar, 3rd cross bar, 4th cross bar, first vertical slats, second vertical slats, handle, first nut, second nut, 3rd nut, 4th nut and the 5th nut, arranged in parallel between described first vertical slats and the second vertical slats, first cross bar, second cross bar, equidistant and arranged in parallel between the first vertical slats and the second vertical slats between 3rd cross bar and the 4th cross bar, described first cross bar, the left side of the second cross bar and the 3rd cross bar is equipped with left side screw rod, described first cross bar, the right side of the second cross bar and the 3rd cross bar is equipped with right side screw rod, described first vertical slats is equidistantly provided with three screw thread mouths from top to bottom, described right side screw rod and screw thread mouth spin, the bottom of the first vertical slats is provided with a lower through-hole, described second vertical slats is equidistantly provided with three through holes from top to bottom, the bottom of the second vertical slats is provided with a lower through-hole, described first cross bar, left side screw rod on second cross bar and the 3rd cross bar respectively with the second vertical slats above three through hole grafting, the outer end of the first cross bar upper left side screw rod is provided with the second nut, the outer end of the second cross bar upper left side screw rod is provided with the 3rd nut, the outer end of the 3rd cross bar upper left side screw rod is provided with the 4th nut, the two ends of described 4th cross bar are respectively equipped with screw rod, the screw rod of the 4th cross bar one end is through the lower through-hole of the first vertical slats and the outer end of this screw rod is provided with the first nut, the screw rod of the 4th cross bar other end is through the lower through-hole of the second vertical slats and the outer end of this screw rod is provided with the 5th nut, the bottom in the 4th cross bar centre position is provided with two symmetrical pin sockets, the upper end symmetry of handle be provided with two handle pins, a handle pin matches with a pin socket.
Four cross bars of the present utility model and two vertical slats are all dismountable, right side screw rod is passed through first by the first cross bar during use, second cross bar and the 3rd cross bar are spun on above the first vertical slats, again one end of the 4th cross bar to be inserted in the first vertical slats lower through-hole and to screw on the first nut, then by the first cross bar, the left side screw rod of the second cross bar and the 3rd cross bar inserts three through holes in the second vertical slats respectively, the other end of the 4th cross bar inserts the lower through-hole of the second vertical slats, then all nut is screwed on, finally handle is inserted in the 4th cross bar, a complete scriber just defines.The used time can not dismantle, and volume greatly reduces, and it is all convenient to carry and take care of.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the portable English-teaching aid of the utility model;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B direction view of Fig. 1;
Fig. 4 is the structural representation of the first cross bar 1, second cross bar 2 and the 3rd cross bar 3;
Fig. 5 is the structural representation of the 4th cross bar 4;
Fig. 6 is the C place profile of Fig. 1;
Fig. 7 is the annexation schematic diagram of handle 7 and the 4th cross bar 4.
Reference numeral in figure, 1 is the first cross bar, and 2 is the second cross bar, and 3 is the 3rd cross bar, 4 is the 4th cross bar, and 5 is the first vertical slats, and 6 is the second vertical slats, and 7 is handle, 8 is the first nut, and 9 is the second nut, and 10 is the 3rd nut, and 11 is the 4th nut, 12 is the 5th nut, and 13 is left side screw rod, and 14 is right side screw rod, and 15 is square shoulder, 16 is screw rod, and 17 is handle pin, and 18 is pin socket, and 19 is screw thread mouth, 20 is shoulder mouth, and 21 is through hole, and 22 is lower through-hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail: the present embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
As shown in Fig. 1 ~ Fig. 7, the portable English-teaching aid of one involved by the present embodiment, comprise: the first cross bar 1, second cross bar 2, 3rd cross bar 3, 4th cross bar 4, first vertical slats 5, second vertical slats 6, handle 7, first nut 8, second nut 9, 3rd nut 10, 4th nut 11 and the 5th nut 12, arranged in parallel between described first vertical slats 5 and the second vertical slats 6, first cross bar 1, second cross bar 2, equidistant and arranged in parallel between the first vertical slats 5 and the second vertical slats 6 between 3rd cross bar 3 and the 4th cross bar 4, described first cross bar 1, the left side of the second cross bar 2 and the 3rd cross bar 3 is equipped with left side screw rod 13, described first cross bar 1, the right side of the second cross bar 2 and the 3rd cross bar 3 is equipped with right side screw rod 14, described first vertical slats 5 is equidistantly provided with three screw thread mouths 19 from top to bottom, described right side screw rod 14 and screw thread mouth 19 spin, the bottom of the first vertical slats 5 is provided with a lower through-hole 22, described second vertical slats 6 is equidistantly provided with three through holes 21 from top to bottom, the bottom of the second vertical slats 6 is provided with a lower through-hole 22, described first cross bar 1, left side screw rod 13 on second cross bar 2 and the 3rd cross bar 3 respectively with the second vertical slats 6 above the grafting of three through holes 21, the outer end of the first cross bar 1 upper left side screw rod 13 is provided with the second nut 9, the outer end of the second cross bar 2 upper left side screw rod 13 is provided with the 3rd nut 10, the outer end of the 3rd cross bar 3 upper left side screw rod 13 is provided with the 4th nut 11, the two ends of described 4th cross bar 4 are respectively equipped with screw rod 16, the screw rod 16 of the 4th cross bar 4 one end is through the lower through-hole 22 of the first vertical slats 5 and the outer end of this screw rod 16 is provided with the first nut 8, the screw rod 16 of the 4th cross bar 4 other end is through the lower through-hole 22 of the second vertical slats 6 and the outer end of this screw rod 16 is provided with the 5th nut 12, the bottom in the 4th cross bar 4 centre position is provided with two symmetrical pin sockets 18, the upper end symmetry of handle 7 be provided with two handle pins 17, a handle pin 17 matches with a pin socket 18.Handle 7 is made up of the reinforcing bar of diameter 3mm.
As shown in Figure 5 and Figure 6, the two ends of described 4th cross bar 4 are respectively equipped with a square shoulder 15, accordingly, be equipped with shoulder mouth 20 inside the through hole 22 of the first vertical slats 5 and inside the through hole 22 of the second vertical slats 6, described square shoulder 15 matches with shoulder mouth 20.This is arranged is prevent from, because the first nut 8 or the 5th nut 12 loosen, making the first vertical slats 5 and the second vertical slats 6 rotate on the 4th cross bar 4 and affect use.
Described first cross bar 1, second cross bar 2, the 3rd cross bar 3 and the 4th cross bar 4 are Aluminum alloy round bar.
The diameter of described first cross bar 1, second cross bar 2, the 3rd cross bar 3 and the 4th cross bar 4 is all equal with the width of the first vertical slats 5 (width of the first vertical slats 5 is equal with the width of the second vertical slats 6).
The above; be only the utility model preferably detailed description of the invention; these detailed description of the invention are all based on the different implementations under the utility model general idea; and protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within 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 (4)
1. a portable English-teaching aid, comprise: the first cross bar (1), second cross bar (2), 3rd cross bar (3), 4th cross bar (4), first vertical slats (5), second vertical slats (6), handle (7), first nut (8), second nut (9), 3rd nut (10), 4th nut (11) and the 5th nut (12), it is characterized in that, arranged in parallel between described first vertical slats (5) and the second vertical slats (6), first cross bar (1), second cross bar (2), equidistant and arranged in parallel between the first vertical slats (5) and the second vertical slats (6) between 3rd cross bar (3) and the 4th cross bar (4), described first cross bar (1), the left side of the second cross bar (2) and the 3rd cross bar (3) is equipped with left side screw rod (13), described first cross bar (1), the right side of the second cross bar (2) and the 3rd cross bar (3) is equipped with right side screw rod (14), described first vertical slats (5) is equidistantly provided with three screw thread mouths (19) from top to bottom, described right side screw rod (14) and screw thread mouth (19) spin, the bottom of the first vertical slats (5) is provided with a lower through-hole (22), described second vertical slats (6) is equidistantly provided with three through holes (21) from top to bottom, the bottom of the second vertical slats (6) is provided with a lower through-hole (22), described first cross bar (1), left side screw rod (13) on second cross bar (2) and the 3rd cross bar (3) respectively with the second vertical slats (6) above the grafting of three through holes (21), the outer end of the first cross bar (1) upper left side screw rod (13) is provided with the second nut (9), the outer end of the second cross bar (2) upper left side screw rod (13) is provided with the 3rd nut (10), the outer end of the 3rd cross bar (3) upper left side screw rod (13) is provided with the 4th nut (11), the two ends of described 4th cross bar (4) are respectively equipped with screw rod (16), the screw rod (16) of the 4th cross bar (4) one end is through the lower through-hole (22) of the first vertical slats (5) and the outer end of this screw rod (16) is provided with the first nut (8), the screw rod (16) of the 4th cross bar (4) other end is through the lower through-hole (22) of the second vertical slats (6) and the outer end of this screw rod (16) is provided with the 5th nut (12), the bottom in the 4th cross bar (4) centre position is provided with two symmetrical pin sockets (18), the upper end symmetry of handle (7) be provided with two handle pins (17), a handle pin (17) is matched with a pin socket (18).
2. portable English-teaching aid according to claim 1, it is characterized in that, the two ends of described 4th cross bar (4) are respectively equipped with a square shoulder (15), through hole (22) inner side of the first vertical slats (5) and through hole (22) inner side of the second vertical slats (6) are equipped with shoulder mouth (20), and described square shoulder (15) is matched with shoulder mouth (20).
3. portable English-teaching aid according to claim 1, it is characterized in that, described first cross bar (1), the second cross bar (2), the 3rd cross bar (3) and the 4th cross bar (4) are Aluminum alloy round bar.
4. portable English-teaching aid according to claim 1, it is characterized in that, the diameter of described first cross bar (1), the second cross bar (2), the 3rd cross bar (3) and the 4th cross bar (4) is all equal with the width of the first vertical slats (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126363.XU CN204414952U (en) | 2015-03-05 | 2015-03-05 | A kind of portable English-teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126363.XU CN204414952U (en) | 2015-03-05 | 2015-03-05 | A kind of portable English-teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204414952U true CN204414952U (en) | 2015-06-24 |
Family
ID=53465352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520126363.XU Active CN204414952U (en) | 2015-03-05 | 2015-03-05 | A kind of portable English-teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204414952U (en) |
-
2015
- 2015-03-05 CN CN201520126363.XU patent/CN204414952U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Zhihao Inventor after: Cong Yan Inventor before: Cong Yan Inventor before: Liu Zhihao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CONG YAN LIU ZHIHAO TO: LIU ZHIHAO CONG YAN |