CN214042756U - English vocabulary kind contrast explanation presentation device - Google Patents
English vocabulary kind contrast explanation presentation device Download PDFInfo
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- CN214042756U CN214042756U CN202120304536.8U CN202120304536U CN214042756U CN 214042756 U CN214042756 U CN 214042756U CN 202120304536 U CN202120304536 U CN 202120304536U CN 214042756 U CN214042756 U CN 214042756U
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Abstract
The utility model discloses an english vocabulary kind contrast explanation presentation device, including first diaphragm and second diaphragm, first diaphragm is located the second diaphragm under, first spout has been seted up at the top of first diaphragm, and the second spout has been seted up to the bottom of second diaphragm, is equipped with two first show boards between first diaphragm and the second diaphragm, and one side that two first show boards are close to each other contacts, and the equal fixed mounting in bottom of two first show boards has first slide. The utility model relates to a rationally, the practicality is good, is convenient for adjust the high position of two first show boards and second show board, and the mr who is applicable to different heights writes the english word on two first show boards and second show boards, is convenient for adjust the interval between two first show boards in addition, can write the english word on two first show boards and second show boards, has increased and has write the area, can write more english words.
Description
Technical Field
The utility model relates to an english teaching materials technical field specifically is an english vocabulary kind contrast explanation presentation device.
Background
Nowadays, exchange along with between each country is more and more frequent, english is as the universal language in the world, received people's attention, make people begin to pay attention to the study to english, in-process at english study need use various teaching device help people to assist the study, wherein, english vocabulary kind contrast speech equipment is exactly one of them, on english class, when the mr carries out the vocabulary explanation, need write a plurality of and multiple english word on english vocabulary kind contrast speech demonstration equipment, can improve the contrast of student to english vocabulary, and make things convenient for the mr to carry out contrast speech to english vocabulary, further improve student's english level.
However, among the prior art, english vocabulary kind contrast explanation presentation device commonly used is when using, be not convenient for adjust its high position, the teacher of different heights of being not convenient for writes the english word, bring inconvenience when the teacher of giving different heights uses, and english vocabulary kind contrast explanation presentation device's the area of writing is limited, can not write more english words, thereby the teacher of being not convenient for writes more english vocabulary, contrast explanation, the student of being not convenient for is to the contrast and the study of english vocabulary, for this reason, we propose an english vocabulary kind contrast explanation presentation device and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an english vocabulary kind contrast explanation presentation device, solved current english vocabulary kind contrast explanation presentation device when using, be not convenient for adjust its high position, the teacher of different heights of being not convenient for writes the english word, it is inconvenient to bring when using for the teacher of different heights, and english vocabulary kind contrast explanation presentation device's the area of writing is limited, can not write more english words, thereby be not convenient for the teacher writes more english words, contrast explanation, be not convenient for the student to the contrast of english vocabulary and the problem of study.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a device for demonstrating English vocabulary type contrast explanation comprises a first transverse plate and a second transverse plate, wherein the first transverse plate is positioned under the second transverse plate, the top of the first transverse plate is provided with a first chute, the bottom of the second transverse plate is provided with a second chute, two first display plates are arranged between the first transverse plate and the second transverse plate, one sides of the two first display plates, which are close to each other, are contacted, the bottoms of the two first display plates are fixedly provided with first slide seats, the bottoms of the two first slide seats are slidably arranged in the first chutes, the tops of the two first display plates are fixedly provided with second slide seats, the tops of the two second slide seats are slidably arranged in the second chute, the bottoms of the two first slide seats are provided with first thread grooves, the inner wall of the bottom of the first chute is provided with two first through holes and two second through holes, the two first through holes are positioned between the two second through holes, screw rods are movably arranged in the two first through holes, two ends of each screw rod extend out of the first through holes, the top ends of the two screw rods are respectively arranged in corresponding first thread grooves in a threaded manner, a second display board is fixedly arranged at the top of each first transverse board, the top of each second display board is fixedly connected with the bottom of each second transverse board, the second display board is positioned at the rear side of the first display board, two stand columns are fixedly arranged at the bottom of each first transverse board, second thread grooves are respectively formed in the bottom ends of the two stand columns, thread columns are respectively arranged in the two second thread grooves in a threaded manner, the bottom ends of the two thread columns respectively extend out of the corresponding second thread grooves, a base is arranged below each thread column, two first bearing seats are fixedly arranged at the top of the base, the bottom ends of the two thread columns are respectively rotatably arranged on the corresponding first bearing seats, and first gears positioned below the corresponding stand columns are respectively and fixedly sleeved on the two thread columns, the top fixed mounting of base has the second bearing frame that is located between two first bearing frames, and the top of second bearing frame is rotated and is installed the pivot, and fixed cover is equipped with the second gear in the pivot, and two first gears all mesh with the second gear mutually.
Preferably, four self-locking universal wheels are fixedly mounted at the bottom of the base, and the four self-locking universal wheels are arranged in pairwise symmetry.
Preferably, the top fixed mounting of base has the protection casing, and two first bearing blocks, two first gears, second bearing block, pivot and second gear all are located the protection casing, and first round hole and two second round holes have been seted up at the top of protection casing, and corresponding second round hole is run through respectively to the bottom of two screw thread posts, and first round hole is run through on the top of pivot.
Preferably, the limiting plates are fixedly mounted on one sides of the two stand columns, which are away from each other, the two limiting rods are fixedly mounted at the top of the base, the two limiting plates are respectively sleeved on the corresponding limiting rods in a sliding mode, and the baffle plates are fixedly mounted at the top ends of the two limiting rods.
Preferably, the bottom of the two first display boards are nested with a plurality of balls at equal intervals, and the plurality of balls are in rolling contact with the top of the first transverse board.
Preferably, a guide rod is fixedly installed in the second sliding groove, and the two second sliding seats are sleeved on the guide rod in a sliding manner.
Preferably, the bottom ends of the two screw rods are fixedly provided with a first handle, and the top end of the rotating shaft is fixedly provided with a second handle.
(III) advantageous effects
The utility model provides an english vocabulary kind contrast explanation presentation device. The method has the following beneficial effects:
(1) the English vocabulary kind contrast explanation demonstration device is convenient for moving the whole device to a proper position and stably fixing the device on the ground by arranging four self-locking universal wheels, the second handle drives the rotating shaft and the second gear to rotate by clockwise rotating the second handle, the second gear drives the two first gears and the two threaded columns to synchronously rotate in the same direction, so that the two upright posts drive the first transverse plate, the second transverse plate, the two first display plates and the second display plate to ascend, the second handle drives the rotating shaft and the second gear to rotate in opposite directions by anticlockwise rotating the second handle, the second gear drives the two first gears and the two threaded columns to synchronously rotate in the same direction, the two upright posts drive the first transverse plate, the second transverse plate, the two first display plates and the second display plate to descend, thereby being convenient for adjusting the height positions of the two first display plates and the second display plate, teacher suitable for different heights writes the english word on two first show boards and second show boards, makes things convenient for teacher to carry out the contrast explanation to the english vocabulary.
(2) The English vocabulary type contrast explanation demonstration device is convenient for a teacher to write words on the two first display boards by arranging the two first display boards, when more English words need to be written, the two lead screws are respectively screwed out of the corresponding first threaded grooves and taken out of the corresponding first through holes, so that the two first display boards can be pushed to move towards the directions away from each other, when the distance between the two first display boards is pushed to the maximum position, the two first display boards do not shield the second display board any more, then the two lead screws are respectively inserted into the corresponding second through holes, and the two lead screws are respectively screwed in the corresponding first threaded grooves, so that the fixation of the two first display boards is completed, and the teacher can write English words on the two first display boards and the second display board, thereby increased and write the area, can write more english words, the teacher of being convenient for contrasts the explanation to english vocabulary, the student of being convenient for learns.
(3) This english vocabulary kind contrast explanation presentation device, through screw out corresponding first thread groove respectively to two lead screws outside, and take out in corresponding second thread groove respectively two lead screws, promote two first show boards and remove to the direction that is close to each other, when making two one sides that first show boards are close to each other contact, insert corresponding first through-hole respectively to two lead screws again in, and screw two lead screws respectively in corresponding first thread groove, accomplished the fixed to two first show boards promptly, two first show boards shelter from the second show board this moment, thereby reduced space area occupied.
Drawings
FIG. 1 is a schematic sectional view of the main view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic side view of the present invention.
In the figure: 1. a first transverse plate; 2. a second transverse plate; 3. a first chute; 4. a second chute; 5. a first display board; 6. a first slider; 7. a second slide carriage; 8. a first thread groove; 9. a first through hole; 10. a screw rod; 11. a second through hole; 12. a second display board; 13. a column; 14. a second thread groove; 15. a threaded post; 16. a base; 17. a first bearing housing; 18. a first gear; 19. a second bearing housing; 20. a rotating shaft; 21. a second gear; 22. a self-locking universal wheel; 23. a protective cover; 24. a limiting plate; 25. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a device for demonstrating English vocabulary type contrast explanation comprises a first transverse plate 1 and a second transverse plate 2, wherein the first transverse plate 1 is positioned under the second transverse plate 2, a first sliding groove 3 is formed in the top of the first transverse plate 1, a second sliding groove 4 is formed in the bottom of the second transverse plate 2, two first showing plates 5 are arranged between the first transverse plate 1 and the second transverse plate 2, one sides of the two first showing plates 5, which are close to each other, are contacted, first sliding seats 6 are fixedly arranged at the bottoms of the two first showing plates 5, the bottoms of the two first sliding seats 6 are slidably arranged in the first sliding grooves 3, second sliding seats 7 are fixedly arranged at the tops of the two first showing plates 5, the tops of the two second sliding seats 7 are slidably arranged in the second sliding grooves 4, first thread grooves 8 are formed at the bottoms of the two first sliding seats 6, two first through holes 9 and two second through holes 11 are formed in the inner wall of the bottom of the first sliding groove 3, two first through holes 9 are positioned between two second through holes 11, screw rods 10 are movably arranged in the two first through holes 9, two ends of each screw rod 10 extend out of the corresponding first through hole 9, the top ends of the two screw rods 10 are respectively installed in corresponding first thread grooves 8 in a threaded manner, a second display plate 12 is fixedly installed at the top of the first transverse plate 1, the top of the second display plate 12 is fixedly connected with the bottom of the second transverse plate 2, the second display plate 12 is positioned at the rear side of the first display plate 5, two upright posts 13 are fixedly installed at the bottom of the first transverse plate 1, second thread grooves 14 are respectively formed at the bottom ends of the two upright posts 13, thread posts 15 are respectively installed in the two second thread grooves 14 in a threaded manner, the bottom ends of the two thread posts 15 respectively extend out of the corresponding second thread grooves 14, a base 16 of the thread posts 15 is arranged below the base 16, two first shaft bearing seats 17 are fixedly installed at the top of the base 16, the bottom ends of the two threaded columns 15 are respectively rotatably mounted on the corresponding first bearing seats 17, the two threaded columns 15 are respectively and fixedly sleeved with first gears 18 located below the corresponding upright columns 13, the top of the base 16 is fixedly mounted with second bearing seats 19 located between the two first bearing seats 17, the top of each second bearing seat 19 is rotatably mounted with a rotating shaft 20, the rotating shaft 20 is fixedly sleeved with a second gear 21, and the two first gears 18 are respectively meshed with the second gear 21.
Four self-locking universal wheels 22 are fixedly mounted at the bottom of the base 16, the four self-locking universal wheels 22 are symmetrically arranged in pairs, a protective cover 23 is fixedly mounted at the top of the base 16, two first bearing seats 17, two first gears 18, a second bearing seat 19, a rotating shaft 20 and a second gear 21 are all positioned in the protective cover 23, a first round hole and two second round holes are formed in the top of the protective cover 23, the bottom ends of two threaded columns 15 respectively penetrate through the corresponding second round holes, the top end of the rotating shaft 20 penetrates through the first round hole, one sides of the two upright columns 13 far away from each other are respectively and fixedly provided with a limiting plate 24, two limiting rods 25 are fixedly mounted at the top of the base 16, the two limiting plates 24 are respectively sleeved on the corresponding limiting rods 25 in a sliding manner, baffles are fixedly mounted at the top ends of the two limiting rods 25, a plurality of balls are embedded at equal intervals at the bottoms of the two first display plates 5, a plurality of balls all roll contact with the top of first diaphragm 1, and fixed mounting has the guide bar in the second spout 4, and two equal sliding sleeves of second slide 7 are established on the guide bar, and the equal fixed mounting in bottom of two lead screws 10 has first handle, and the top fixed mounting of pivot 20 has the second handle.
When the device is used, the four self-locking universal wheels 22 are arranged, so that the device can be conveniently pushed to integrally move and can be integrally and stably fixed on the ground, when the device is integrally moved to a proper position, the second handle drives the rotating shaft 20 and the second gear 21 to rotate by clockwise rotating the second handle, the second gear 21 drives the two first gears 18 and the two threaded columns 15 to synchronously rotate in the same direction, so that the two upright posts 13 drive the first transverse plate 1, the second transverse plate 2, the two first display plates 5 and the second display plate 12 to ascend, the two upright posts 13 drive the corresponding limiting plates 24 to slide on the corresponding limiting rods 25, and similarly, by anticlockwise rotating the second handle, the second handle drives the rotating shaft 20 and the second gear 21 to reversely rotate, the second gear 21 drives the two first gears 18 and the two threaded columns 15 to synchronously rotate in the same direction, so that the two upright posts 13 drive the first transverse plate 1, The second horizontal plate 2, the two first display boards 5 and the second display board 12 descend so as to adjust the height positions of the two first display boards 5 and the second display boards 12, teachers with different heights can write English words on the two first display boards 5 and the second display boards 12, the teachers can conveniently perform contrastive explanation on the English words, the arrangement of the two first display boards 5 is convenient for the teachers to write words on the two first display boards 5, students can conveniently watch and learn English words, when more English words need to be written, the two second handles are sequentially rotated, the two screw rods 10 are respectively screwed out of the corresponding first thread grooves 8, the two screw rods 10 are taken out from the corresponding first through holes 9, namely the fixation on the two first display boards 5 is released, the two first display boards 5 are pushed to move in the directions far away from each other, so that the two first display boards 5 drive the corresponding balls to roll on the top of the first horizontal plate 1, two first display boards 5 drive corresponding first sliding seats 6 to slide in the first sliding grooves 3, two first display boards 5 drive corresponding second sliding seats 7 to slide in the second sliding grooves 4, when the distance between the two first display boards 5 is pushed to the maximum position, at this time, the two first display boards 5 do not shield the second display board 12, then two lead screws 10 are respectively inserted into the corresponding second through holes 11, and the two lead screws 10 are respectively screwed in the corresponding first threaded grooves 8, thus fixing the two first display boards 5 is completed, a teacher can write English words on the two first display boards 5 and the second display board 12, thereby increasing the writing area, being capable of writing more English words, being convenient for the teacher to compare and explain the English words, being convenient for students to learn, when the second display board 12 is not needed, firstly, the two lead screws 10 are respectively screwed out of the corresponding first thread grooves 8, the two lead screws 10 are respectively taken out of the corresponding second through holes 11, the two first display boards 5 are pushed to move towards the mutually approaching direction, when the mutually approaching sides of the two first display boards 5 are contacted, the two lead screws 10 are respectively inserted into the corresponding first through holes 9, and the two lead screws 10 are respectively screwed in the corresponding first thread grooves 8, namely, the fixation of the two first display boards 5 is completed, at the moment, the two first display boards 5 shield the second display board 12, so that the occupied space is reduced, and meanwhile, the contents which are not described in detail in the specification belong to the prior art known by professionals in the field.
To sum up, the demonstration device for English vocabulary type contrast explanation is provided with four self-locking universal wheels 22, so that the device can be conveniently moved to a proper position and can be stably fixed on the ground, the second handle drives the rotating shaft 20 and the second gear 21 to rotate by clockwise rotating the second handle, the second gear 21 drives the two first gears 18 and the two threaded columns 15 to synchronously rotate in the same direction, so that the two upright posts 13 drive the first transverse plate 1, the second transverse plate 2, the two first display plates 5 and the second display plates 12 to be lifted, the second handle drives the rotating shaft 20 and the second gears 21 to reversely rotate by anticlockwise rotating the second handle, the second gear 21 drives the two first gears 18 and the two threaded columns 15 to synchronously rotate in the same direction, so that the two upright posts 13 drive the first transverse plate 1, the second transverse plate 2, the two first display plates 5 and the second display plates 12 to descend, thereby being convenient for adjusting the height positions of the two first display boards 5 and the second display board 12, being suitable for teachers with different heights to write English words on the two first display boards 5 and the second display board 12, being convenient for the teachers to compare and explain the English words, being convenient for the teachers to write words on the two first display boards 5 by arranging the two first display boards 5, when needing to write more English words, the two lead screws 10 are respectively screwed out of the corresponding first thread grooves 8 and taken out of the corresponding first through holes 9, the two first display boards 5 can be pushed to move towards the direction far away from each other, when the distance between the two first display boards 5 is pushed to the maximum position, the two first display boards 5 do not shield the second display board 12, then the two lead screws 10 are respectively inserted into the corresponding second through holes 11, and the two lead screws 10 are respectively screwed in the corresponding first thread grooves 8, namely the fixation of the two first display boards 5 is completed, a teacher can write English words on the two first display boards 5 and the second display board 12, thereby increasing the writing area, being capable of writing more English words, being convenient for the teacher to compare and explain the English words and being convenient for students to learn, the two lead screws 10 are respectively screwed out of the corresponding first thread grooves 8 and taken out of the corresponding second through holes 11 respectively, the two first display boards 5 are pushed to move towards the mutually approaching direction, when the mutually approaching sides of the two first display boards 5 are contacted, the two lead screws 10 are respectively inserted into the corresponding first through holes 9, and the two lead screws 10 are respectively screwed in the corresponding first thread grooves 8, namely the fixation of the two first display boards 5 is completed, two first show boards 5 shelter from second show board 12 this moment to reduced space area occupied, the utility model relates to a rationally, the practicality is good, is convenient for adjust the high position of two first show boards 5 and second show board 12, and the teacher that is applicable to different heights writes the english word on two first show boards 5 and second show board 12, is convenient for adjust the interval between two first show boards 5 moreover, can write the english word on two first show boards 5 and second show board 12, has increased and has write the area, can write more english words.
Claims (7)
1. The utility model provides an english vocabulary kind contrast explanation presentation device, includes first diaphragm (1) and second diaphragm (2), and first diaphragm (1) is located second diaphragm (2) under, its characterized in that: the top of the first transverse plate (1) is provided with a first sliding groove (3), the bottom of the second transverse plate (2) is provided with a second sliding groove (4), two first display plates (5) are arranged between the first transverse plate (1) and the second transverse plate (2), one sides of the two first display plates (5) close to each other are contacted, the bottoms of the two first display plates (5) are respectively and fixedly provided with a first sliding seat (6), the bottoms of the two first sliding seats (6) are respectively and slidably arranged in the first sliding groove (3), the tops of the two first display plates (5) are respectively and fixedly provided with a second sliding seat (7), the tops of the two second sliding seats (7) are respectively and slidably arranged in the second sliding groove (4), the bottoms of the two first sliding seats (6) are respectively provided with a first thread groove (8), the inner wall of the bottom of the first sliding groove (3) is provided with two first through holes (9) and two second through holes (11), the two first through holes (9) are respectively positioned between the two second through holes (11), the two first through holes (9) are respectively and movably provided with a screw rod (10), two ends of the screw rod (10) extend out of the first through holes (9), the top ends of the two screw rods (10) are respectively and threadedly installed in the corresponding first thread grooves (8), the top of the first transverse plate (1) is fixedly provided with a second display plate (12), the top of the second display plate (12) is fixedly connected with the bottom of the second transverse plate (2), the second display plate (12) is positioned at the rear side of the first display plate (5), the bottom of the first transverse plate (1) is fixedly provided with two upright posts (13), the bottom ends of the two upright posts (13) are respectively provided with a second thread groove (14), the two second thread grooves (14) are internally and threadedly provided with a thread post (15), and the bottom ends of the two thread posts (15) extend out of the corresponding second thread grooves (14), the below of screw thread post (15) is equipped with base (16), the top fixed mounting of base (16) has two first bearing frame (17), the bottom of two screw thread posts (15) rotates respectively and installs on corresponding first bearing frame (17), it is equipped with first gear (18) that are located corresponding stand (13) below all to fix the cover on two screw thread posts (15), the top fixed mounting of base (16) has second bearing frame (19) that are located between two first bearing frame (17), pivot (20) are installed in the top rotation of second bearing frame (19), fixed cover is equipped with second gear (21) on pivot (20), and two first gear (18) all mesh with second gear (21) mutually.
2. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: four self-locking universal wheels (22) are fixedly mounted at the bottom of the base (16), and the four self-locking universal wheels (22) are arranged in a pairwise symmetrical mode.
3. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: the top fixed mounting of base (16) has protection casing (23), and two first bearing frame (17), two first gear (18), second bearing frame (19), pivot (20) and second gear (21) all are located protection casing (23), and first round hole and two second round holes have been seted up at the top of protection casing (23), and the bottom of two screw thread posts (15) runs through corresponding second round hole respectively, and the top of pivot (20) runs through first round hole.
4. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: limiting plates (24) are fixedly mounted on one sides of the two upright columns (13) far away from each other, two limiting rods (25) are fixedly mounted at the top of the base (16), the two limiting plates (24) are respectively sleeved on the corresponding limiting rods (25) in a sliding mode, and baffles are fixedly mounted on the top ends of the two limiting rods (25).
5. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: the bottom equal spacing nestification of two first show boards (5) has a plurality of balls, and a plurality of balls all with the top rolling contact of first diaphragm (1).
6. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: a guide rod is fixedly arranged in the second sliding groove (4), and the two second sliding seats (7) are sleeved on the guide rod in a sliding mode.
7. The english vocabulary kind contrastive explanation presentation device of claim 1, characterized in that: the bottom ends of the two screw rods (10) are fixedly provided with a first handle, and the top end of the rotating shaft (20) is fixedly provided with a second handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120304536.8U CN214042756U (en) | 2021-02-03 | 2021-02-03 | English vocabulary kind contrast explanation presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120304536.8U CN214042756U (en) | 2021-02-03 | 2021-02-03 | English vocabulary kind contrast explanation presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214042756U true CN214042756U (en) | 2021-08-24 |
Family
ID=77347512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120304536.8U Expired - Fee Related CN214042756U (en) | 2021-02-03 | 2021-02-03 | English vocabulary kind contrast explanation presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214042756U (en) |
-
2021
- 2021-02-03 CN CN202120304536.8U patent/CN214042756U/en not_active Expired - Fee Related
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