CN211349786U

CN211349786U - English tense presentation device

Info

Publication number: CN211349786U
Application number: CN202020111749.4U
Authority: CN
Inventors: 曹阳; 李珺
Original assignee: Jiaozuo Teachers College
Current assignee: Jiaozuo Teachers College
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-08-25
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an English tense demonstration device, which comprises a movable base, a support rod, a main writing component, a plurality of tense clamping plates and a tense demonstration component; the main writing component comprises a main writing board, an upper supporting board and a lower supporting board; the tense demonstration assembly comprises a supporting base plate, a plurality of card boxes and a transparent writing board. The utility model has simple structure and convenient use; the tense demonstration component of the utility model demonstrates the example sentences in different tenses, can perform contrast teaching, and improves the teaching efficiency; the transparent writing board is convenient for writing on a blackboard and draws the key points, so that students can understand the change of verbs in different tenses more thoroughly; the use is nimble convenient, and the tense cardboard is changed and is placed conveniently, conveniently demonstrates different tense example sentences.

Description

English tense presentation device

Technical Field

The utility model belongs to a teaching aid technical field especially relates to an english tense presentation device.

Background

English is one of the most popular languages and is the third most native language of the world, second only to standard chinese and spanish. It is the second language most widely learned, being one of the official or official languages in nearly sixty major countries. More people are learned as the second language than those who are native to english. In the course of modern teaching, english is also an indispensable subject, and from study to university, english is an indispensable subject. As a language course, the basic English words are the indispensable basic learning units, except twenty-six letters.

English learning is performed by letter learning, vocabulary learning and sentence learning in a step-by-step expansion mode. In the learning process of English sentences, the method is obviously different from Chinese, and English has the learning of 'tense'. Tense is a verb form, with different tenses being used to represent different times and ways. It is a verb form that represents behaviors, actions, states under various time conditions, and there are sixteen tenses in english. In the prior art, a plurality of different tenses are very complicated in the learning process, and the content of the blackboard-writing is very much when the blackboard-writing is used for tense learning; and the comparison learning is not carried out, so that the students cannot well master different tenses in the learning process, and confusion is easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the above-mentioned not enough, provide an english tense presentation device.

In order to achieve the purpose, the utility model is implemented according to the following technical scheme:

an English tense presentation device comprises a movable base, a support rod, a main writing component and a plurality of tense clamping plates; the main writing component is fixedly arranged on the movable base through a supporting rod; the trundles are fixedly arranged below the movable base; the device also comprises a temporal demonstration component;

the main writing component comprises a main writing board, an upper supporting board and a lower supporting board; the rear end face of the main writing board is stuck with felt; the upper supporting plate and the lower supporting plate are the same in structure and symmetrically fixed on the upper end surface and the lower end surface of the main writing board; the lower supporting plate is of an integrated structure and comprises a flat plate part and a bent part; a sliding groove is arranged between the flat plate part and the bending part;

the temporal demonstration component comprises a supporting bottom plate, a plurality of card boxes and a transparent writing board;

the supporting bottom plate is of an integrated structure and comprises a panel part, an upper plate edge and a lower plate edge; the upper plate edge and the lower plate edge have the same structure and are symmetrically distributed at the upper end and the lower end of the panel part; the left side of the panel part is provided with a plurality of rectangular openings; the size and the number of the rectangular openings are matched with those of the clamping plate boxes; the transparent writing board is fixedly arranged on the front end surface of the panel part; the card box is fixedly arranged in the rectangular opening, and the front end face of the card box is fixedly connected with the transparent writing board; the thickness of the lower plate is matched with the height of the sliding groove; the lower plate edge and the transparent writing board are clamped between the felt and the bent part; the temporal card board is placed in the card board box; the left side of the transparent writing board is provided with a plurality of arched openings; the positions and the number of the arched openings are matched with the clamping plate boxes;

the temporal demonstration component slides left and right between the upper supporting plate and the lower supporting plate;

a connecting piece is fixedly arranged at the lower left corner of the temporal demonstration component; the lower end surface of the connecting piece is provided with a caster through a support rod; the truckle below the connecting piece and the truckle below the movable base are positioned on the same horizontal plane.

Preferably, a limiting block A is fixedly arranged at the right end of the lower plate; a limiting block B is fixedly arranged on the front end face of the bent part at the left end of the lower supporting plate; the upper end face of the limiting block A is higher than that of the limiting block B.

Preferably, the clamping plate box comprises a box cover and a box body; a plurality of springs are fixedly arranged on the inner side surface of the box cover; the left side surface of the box body is provided with a drawing opening; the thickness of the drawing opening is larger than that of a single temporal card and smaller than that of two temporal cards.

Preferably, the box cover of the card box is pressed on the box body through a pressing piece; the tense clamping plate is tightly pressed on the rear end face of the transparent writing board through a spring.

Preferably, the pressing piece comprises a supporting column and a pressing plate; the compression plate is rotatably arranged at the top end of the support column; the supporting columns are fixedly arranged on the supporting bottom plate above and below the clamping plate box; the length of the pressing plate is greater than the distance between the adjacent card board boxes; the lower end face of the pressing plate is contacted with the box cover of the clamping plate box.

The utility model discloses an action principle:

the utility model discloses a there is the contrast example sentence of different tenses on the tense cardboard. When using, rotate the pressure strip that compresses tightly the piece for the pressure strip is on a parallel with the cardboard box, takes off the lid, puts into the temporal cardboard that will impart knowledge to students and in the box body, notices the face orientation transparent clipboard that will be printed with the word. Afterwards, the box cover is tightly pressed on the box body, the pressing plate on the pressing piece is rotated, so that the pressing plate is perpendicular to the clamping plate box, and the pressing piece tightly presses the box cover on the box body. Under the action of the spring of the box cover, the tense clamping plate is pressed on the transparent writing plate. The use that compresses tightly the piece can be selected according to the distance between the cardboard box of reality, and if the distance between the cardboard box is nearer, adjacent cardboard box can share one and compress tightly the piece. The number of the pressing pieces also needs to be selected according to the length of the card board box, and when the card board box is short, two pressing pieces are used above and below the card board box; if the cardboard box is longer, can suitably increase the quantity that compresses tightly the piece. The use that compresses tightly the piece makes the lid of cardboard box dismantle conveniently, conveniently changes or places the tense cardboard. The felt plays a role in protecting the transparent writing board and prevents the transparent writing board from being scratched to influence use.

The utility model discloses when using, write the subassembly rear with the tense demonstration subassembly from the owner and take out, the tense demonstration subassembly removes about between backup pad and bottom suspension fagging. After the extraction, the content on the temporal card is directly displayed. The teacher can tell the difference of different tenses to the student according to the comparative example of the tense example sentence shown on the tense card board; the important words can be circled on the transparent writing board according to the actual use requirement, so that students can more clearly understand the transformation difference of verbs in different tenses; and the writing board with tense knowledge or the focused writing board can be used on the main writing board.

After a set of tense sentence study finishes, can follow the left arch breach of transparent clipboard, take out the tense cardboard from taking out the card, the tense cardboard in rear is pushed forward under the effect of spring, can continue to carry out next partial teaching. The teaching process of multiple tenses is met, and the knowledge points are clearly distinguished in comparison teaching.

Go up backup pad, bottom suspension fagging and not only play the effect of support, its spout can also play the effect of direction to the attitude demonstration subassembly. The supporting bottom plate plays a role in supporting the transparent writing board and the card box, and the white board surface which can be selected and is contacted with the transparent writing board is convenient for teachers to write on the transparent writing board. The limiting blocks A and B limit the time demonstration assembly, and the time demonstration assembly is prevented from slipping from the rear of the main writing board.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has simple structure and convenient use; the tense demonstration component of the utility model demonstrates the example sentences in different tenses, can perform contrast teaching, and improves the teaching efficiency; the transparent writing board is convenient for writing on a blackboard and draws the key points, so that students can understand the change of verbs in different tenses more thoroughly; the use is nimble convenient, and the tense cardboard is changed and is placed conveniently, conveniently demonstrates different tense example sentences.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a partial cross-sectional view taken along line E-E of FIG. 1;

FIG. 3 is a partial cross-sectional view taken along line F-F of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

fig. 5 is a rear view of the temporal presentation component of fig. 1.

Description of the drawings: 1. moving the base; 2. a support bar; 3. a temporal card board; 4. a caster wheel; 5. a main writing board; 6. an upper support plate; 7. a lower support plate; 8. felt; 9. a flat plate portion; 10. a bending section; 11. a chute; 12. a support base plate; 13. a card box; 14. a transparent writing board; 15. a panel portion; 16. an upper plate edge; 17. a lower plate edge; 18. a rectangular opening; 19. an arched opening; 20. a box cover; 21. a box body; 22. a spring; 23. drawing the bayonet; 24. a compression plate; 25. a compression member; 26. a support pillar; 27. a limiting block A; 28. a limiting block B; 29. a connecting member.

Detailed Description

The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.

As shown in figures 1 to 5, the English tense demonstration device comprises a movable base 1, a support rod 2, a main writing component, a plurality of tense clamping plates 3 and a tense demonstration component. The main writing component is fixedly arranged on the movable base 1 through a support rod 2; the caster 4 is fixedly arranged below the movable base 1.

The main writing component comprises a main writing board 5, an upper supporting board 6 and a lower supporting board 7. The felt 8 is stuck on the rear end surface of the main writing board 5; the upper supporting plate 6 and the lower supporting plate 7 have the same structure and are symmetrically fixed on the upper end surface and the lower end surface of the main writing board 5; the lower supporting plate 7 is of an integrated structure and comprises a flat plate part 9 and a bent part 10; a sliding groove 11 is arranged between the flat plate part 9 and the bending part 10.

The temporal demonstration component comprises a support base plate 12, three card boxes 13 and a transparent writing board 14.

Support floor 12 is a unitary structure including a panel portion 15, an upper panel edge 16, and a lower panel edge 17. The upper plate edge 16 and the lower plate edge 17 have the same structure and are symmetrically distributed at the upper end and the lower end of the panel part 15; the panel portion 15 has three rectangular openings 18 on the left side. The transparent writing board 14 is fixedly mounted on the front end face of the panel portion 15; the card box 13 is fixedly arranged in the rectangular opening 18, and the front end face of the card box 13 is fixedly connected with the transparent writing board 14. The thickness of the lower plate edge 16 is matched with the height of the sliding groove 11; the lower plate edge 17 and the transparent writing plate 14 are clamped between the felt 8 and the bent part 10; the temporal card 3 is placed in the card box 13; the transparent writing board 14 has three arched openings 19 on the left side; the arcuate opening 19 is positioned to interfit with the card cage 13.

The card box 13 comprises a box cover 20 and a box body 21; five springs 22 are fixedly arranged on the inner side surface of the box cover 20; the left side surface of the box body 21 is provided with a card drawing opening 23; the thickness of the extraction opening 23 is equal to one and a half times the thickness of the temporal card 3. The box cover 20 of the card box 13 is pressed on the box body 21 through a pressing piece 25; the temporal plate 3 is pressed against the rear end face of the transparent writing plate 14 by a spring 22.

The pressing piece 25 comprises a supporting column 26 and a pressing plate 24; the pressing plate 24 is rotatably arranged at the top end of the supporting column 26; the supporting columns 26 are fixedly arranged on the supporting bottom plate 12 above and below the card box 13; the length of the compression plate 24 is greater than the distance between adjacent cardboard boxes; the lower end face of the pressing plate 24 is in contact with the box cover of the card box. Three pressing pieces 25 are arranged above each card box, and three pressing pieces 25 are arranged below the card box at the lowest part.

The right end of the lower plate edge 17 is fixedly provided with a limiting block A27; a limiting block B28 is fixedly arranged on the front end face of the bending part 10 at the left end of the lower supporting plate 7; the upper end face of the limiting block A27 is higher than the upper end face of the limiting block B28.

The temporal demonstration component slides left and right between the upper support plate 6 and the lower support plate 7; a connecting piece 29 is fixedly arranged at the lower left corner of the temporal demonstration component; the lower end surface of the connecting piece 29 is provided with a caster 4 through a support rod; the caster 4 below the connecting piece 29 is positioned at the same horizontal plane with the caster 4 below the movable base 1.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. An English tense presentation device comprises a movable base, a support rod, a main writing component and a plurality of tense clamping plates; the main writing component is fixedly arranged on the movable base through a supporting rod; the trundles are fixedly arranged below the movable base; the method is characterized in that: the device also comprises a temporal demonstration component;

2. The english tense presentation device of claim 1, characterized in that: a limiting block A is fixedly arranged at the right end of the lower plate; a limiting block B is fixedly arranged on the front end face of the bent part at the left end of the lower supporting plate; the upper end face of the limiting block A is higher than that of the limiting block B.

3. The english tense presentation device of claim 2, wherein: the clamping plate box comprises a box cover and a box body; a plurality of springs are fixedly arranged on the inner side surface of the box cover; the left side surface of the box body is provided with a drawing opening; the thickness of the drawing opening is larger than that of a single temporal card and smaller than that of two temporal cards.

4. The English tense presentation device of claim 3, wherein: the box cover of the card box is pressed on the box body through the pressing piece; the tense clamping plate is tightly pressed on the rear end face of the transparent writing board through a spring.

5. The English tense presentation device of claim 4, wherein: the pressing piece comprises a supporting column and a pressing plate; the compression plate is rotatably arranged at the top end of the support column; the supporting columns are fixedly arranged on the supporting bottom plate above and below the clamping plate box; the length of the pressing plate is greater than the distance between the adjacent card board boxes; the lower end face of the pressing plate is contacted with the box cover of the clamping plate box.