CN211787735U - A expansion plate for english teaching - Google Patents
A expansion plate for english teaching Download PDFInfo
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- CN211787735U CN211787735U CN202020107539.8U CN202020107539U CN211787735U CN 211787735 U CN211787735 U CN 211787735U CN 202020107539 U CN202020107539 U CN 202020107539U CN 211787735 U CN211787735 U CN 211787735U
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Abstract
The utility model discloses a retractable plate for English teaching, which comprises a bottom plate, a rectangular storage block and a support plate component, wherein the rectangular storage block is arranged on the bottom plate, at least three rectangular grooves are dug at the front end of the rectangular storage block, and the rectangular grooves are distributed in an up-and-down parallel manner; a telescopic plate component is inserted in each rectangular groove; first grooves are correspondingly dug on two sides of the rectangular storage block, and positioning hole groups are respectively arranged on two sides of each first groove; the supporting plate component is connected with the first groove in a sliding mode; a first L-shaped support plate is arranged on the rectangular storage block below each telescopic plate component. The utility model reduces the burden of teachers and is also beneficial to the care of students with different schedules; the problem of traditional show board writing area limited is solved, also can give the student with the more clear show of different knowledge points simultaneously, improved the efficiency in classroom, easily promote.
Description
The technical field is as follows:
the utility model relates to a show board of teaching usefulness, in particular to expansion plate for english teaching.
Background art:
english is a necessary study subject at present, and is a necessary course for students to study from beginning to school and to colleges; since english is a language, it is essential to learn many english words, grammars, sentence structures, tense transformations, and other various knowledge points.
The projector is often used in the existing English classroom, and the projector curtain are arranged in the fixed classroom; knowledge points of each section are known by influencing viewing; in order to aggravate the mastery of the students on the key knowledge, teachers can write knowledge points on the display board in advance, and take the students to review the knowledge points once again after watching the projection equipment; the area of the existing display board is fixed, when the number of knowledge points is large, the situation that the knowledge points cannot be written on the display board occurs, teachers often wipe off the written knowledge points and then write new knowledge points, and for students with slow copying progress, the situation that the learning progress of the students cannot be reached occurs, so that the learning progress of the students is influenced; for teachers, writing and wiping simultaneously greatly increase the workload of teachers, so that the teaching progress is influenced.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, the retractable plate for English teaching is provided, the area of the writing board can be freely adjusted according to the number of knowledge points, the use is convenient, and the operation is simple.
The utility model discloses a technical scheme who solves technical problem and take is:
a telescopic plate for English teaching comprises a bottom plate, a rectangular storage block and a supporting plate assembly, wherein the rectangular storage block is arranged on the bottom plate, at least three rectangular grooves are dug in the front end of the rectangular storage block, and the rectangular grooves are distributed in an up-and-down parallel manner; a telescopic plate component is inserted into each rectangular groove; first grooves are correspondingly dug in two sides of the rectangular storage block, and positioning hole groups are respectively arranged in two sides of each first groove; each positioning hole group is composed of at least ten positioning holes, each positioning hole group is vertically distributed, and the distance between the upper positioning hole and the lower positioning hole which are adjacent is the same; the supporting plate assembly consists of a plate surface and two connecting plates, a limiting block is fixedly connected to the front end of the plate surface, the two connecting plates are respectively and fixedly connected with the two sides of the rear end face of the plate surface, a sliding block matched with the first groove is arranged on the inner side of each connecting plate, at least ten U-shaped hooks are arranged on the plate surface, and the distance between every two adjacent U-shaped hooks is the same; through holes are symmetrically dug in the connecting plates on the two sides of each sliding block, a guide hole with an internal thread is arranged at the position, corresponding to the through hole, of the outer side of each connecting plate, a matched threaded rod is rotatably inserted into each guide hole, and the supporting plate assembly is connected with the corresponding first groove in a sliding mode through the sliding block arranged on the inner side of the rectangular storage block below each rectangular groove; and a first L-shaped support plate is respectively arranged on the rectangular storage block below each telescopic plate component.
The diameter of the circular section of the threaded rod is matched with the inner diameter of the positioning hole, and the position of the through hole on each connecting plate corresponds to the position of the positioning hole.
The telescopic plate component consists of a first writing plate, a second writing plate, a first limiting plate, a first hook-shaped positioning plate and a second L-shaped support plate, wherein the second writing plate is open at one end and is distributed in a hollow manner, and the second writing plate is sleeved outside the first writing plate; at least five second grooves are dug on two side surfaces of the first writing board, and the distance between every two adjacent second grooves is the same; one third part of the ball is positioned outside the second groove; the end of the first writing board in the second writing board is connected with the inner wall of the second writing board through a spring; second springs are respectively arranged on two sides of the other end of the first writing board, and a positioning block is arranged at the end part of each second spring; two side surfaces of the front end of the second writing board are dug with second positioning holes matched with the positioning blocks; a second L-shaped support plate is arranged at the rear end of the second writing plate, so that a groove is formed at the tail end of the second writing plate; the front end of the first writing board is fixedly connected with a first limiting plate, and each first limiting plate is provided with a first hook-shaped positioning plate.
The two first grooves are symmetrically arranged on two side surfaces of the rectangular storage block respectively; the number of the positioning hole groups is four, and two positioning hole groups are respectively arranged on the side surface of each rectangular storage block.
The springs are three and distributed in a left-right parallel shape, one end of each spring is connected with one end of the first writing board, and one end of each spring is fixedly connected with the inner wall of the second writing board.
And an included angle of 45 degrees is formed between each rectangular groove and the bottom plate.
The first writing board and the second writing board are inserted into the second positioning hole through the positioning block and fixed together.
The utility model discloses an actively beneficial effect is:
1. when the utility model is used, the key points of each class can be separately written on each expansion plate component in advance, after students watch projection equipment, each expansion plate component can be directly drawn out from the rectangular groove, a second L-shaped support plate at one end of the expansion plate component is hung on a first L-shaped support plate, and a first hook-shaped positioning plate at the other end of the expansion plate component is hooked on one U-shaped hook; so that students can directly see the key points on the writing board; according to the viewing angle of students, the first hook-shaped positioning plate can be hooked on different 'U' -shaped hooks to adjust the inclination angle of the telescopic plate component, so that the use is convenient, and the operation is simple.
2. The utility model can freely adjust the distance between the first writing board and the second writing board according to the content of the knowledge points, so that the knowledge points can be written on the writing board; when the multifunctional writing board is used, the positioning blocks arranged on the two side faces of the first writing board are pressed towards the inner side of the first writing board, so that the positioning blocks are separated from the second positioning holes, then the first writing board is pulled out of the second writing board, and then important contents are written on the first writing board and the second writing board, so that the condition that a student does not finish writing important notes and a knowledge point is wiped off is avoided.
3. The utility model can freely adjust the height of the supporting plate component according to the height of the rectangular groove where the telescopic plate component is positioned, so that the bottoms of the telescopic plate components positioned in the rectangular grooves at different positions can be stably placed on the supporting plate component; when the telescopic plate component moves to a required position, the threaded rod is rotatably inserted into the guide hole and inserted into the corresponding positioning hole, so that the telescopic plate component is fixed.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a rectangular storage block according to the present invention;
fig. 3 is a schematic structural view of the retractable plate assembly of the present invention;
fig. 4 is a structural schematic of the supporting plate assembly of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings, in which:
referring to fig. 1-4, the retractable plate for english teaching comprises a bottom plate 1, a rectangular storage block 2 and a support plate assembly, wherein the rectangular storage block 2 is arranged on the bottom plate 1, at least three rectangular grooves 5 are dug at the front end of the rectangular storage block 2, and the rectangular grooves 5 are distributed in an up-and-down parallel manner; a telescopic plate component 7 is inserted in each rectangular groove 5; first grooves 3 are correspondingly dug on two sides of the rectangular storage block 2, and positioning hole groups are respectively arranged on two sides of each first groove 3; each positioning hole group is composed of at least ten positioning holes 4, each positioning hole group is vertically distributed, and the distance between the upper and lower adjacent positioning holes 4 is the same; the support plate assembly consists of a plate surface 8 and two connecting plates 9, a limiting block 20 is fixedly connected to the front end of the plate surface 8, the two connecting plates 9 are respectively and fixedly connected with the two sides of the rear end surface of the plate surface 8, a sliding block 19 matched with the first groove 3 is arranged on the inner side of each connecting plate 9, at least ten U-shaped hooks 10 are arranged on the plate surface 8, and the distance between every two adjacent U-shaped hooks 10 is the same; through holes 9-1 are symmetrically dug in the connecting plates 9 on two sides of each sliding block 19, a guide hole 11 with internal threads is arranged at the position, corresponding to the through hole 9-1, of the outer side of each connecting plate 9, a matched threaded rod 12 is rotatably inserted into each guide hole 11, and the supporting plate assembly is connected with the corresponding first groove 3 in a sliding mode through the sliding block 19 arranged on the inner side of the rectangular storage block 2 below each rectangular groove 5; a first L-shaped support plate 12 is respectively arranged on the rectangular storage block 2 below each telescopic plate component 7; the diameter of the circular section of the threaded rod 12 is matched with the inner diameter of the positioning hole 4, and the position of a through hole 9-1 on each connecting plate 9 corresponds to the position of the positioning hole 4; the retractable plate component 7 consists of a first writing plate 7-1, a second writing plate 7-2, a first limiting plate 6, a first hook-shaped positioning plate 16 and a second L-shaped support plate 7-3, wherein the second writing plate 7-2 is open at one end and is distributed in a hollow manner, and the second writing plate 7-2 is sleeved outside the first writing plate 7-1; at least five second grooves 17 are dug on two side surfaces of the first writing board 7-1, and the distance between two adjacent second grooves 17 is the same; a ball 18 is movably arranged in the second grooves 17 respectively, and one third part of the ball 18 is positioned outside the second grooves 17; the end of the first tablet 7-1 located in the second tablet 7-2 is connected to the inner wall of the second tablet 7-2 by a spring 21; two sides of the other end of the first writing board 7-1 are respectively provided with a second spring 15, and the end part of each second spring 15 is provided with a positioning block 14; two side surfaces of the front end of the second writing board 7-2 are dug with second positioning holes 13 matched with the positioning blocks 14; a second L-shaped support plate 7-3 is arranged at the rear end of the second writing plate 7-2, so that a groove is formed at the tail end of the second writing plate 7-2; the front end of the first writing board 7-1 is fixedly connected with a first limiting board 6, and each first limiting board 6 is provided with a first hook-shaped positioning board 16; the two first grooves 3 are symmetrically arranged on two side surfaces of the rectangular storage block 2 respectively; the number of the positioning hole groups is four, and two positioning hole groups are respectively arranged on the side surface of each rectangular storage block 2; the number of the springs 21 is three, the springs are distributed in a left and right parallel shape, one end of each spring 21 is connected with one end of the first writing board 7-1, and the other end of each spring 21 is fixedly connected with the inner wall of the second writing board 7-2; the adjacent rectangular grooves 5 are distributed in an up-and-down parallel manner, and an included angle of 45 degrees is formed between each rectangular groove 5 and the bottom plate 1; the first writing board 7-1 and the second writing board 7-2 are inserted into the second positioning hole 13 by the positioning block 14 and fixed together.
The working principle is as follows:
1. teachers can write different knowledge points on the telescopic plate component of each rectangular groove in advance before class, when the number of the knowledge points is large, the first writing board can be drawn out from the second writing board, and then key contents are written on the second writing board; after writing, the first writing board is inserted into the second writing board, then the springs on one side of the positioning blocks are pressed by pressing the positioning blocks on the two side faces of the first writing board, when the first writing board is inserted into the second writing board, the positioning blocks can be clamped in the second positioning holes, the first writing board and the second writing board are fixed, and then each telescopic board assembly is respectively inserted into the corresponding rectangular groove.
2. When the telescopic plate component is used, the position of the supporting plate component can be adjusted according to the height of the telescopic plate component in the rectangular groove, so that a first hook-shaped positioning plate 16 at the bottom of the telescopic plate component drawn out from the rectangular groove can be hooked on the U-shaped hook 10, and a second L-shaped support plate at the top of the telescopic plate component is clamped on the first L-shaped support plate 12-1; the teacher can hook the first hook-shaped positioning plate 16 on the 'U' -shaped hook 10 at different positions according to the viewing angle of the student to adjust the inclination angles of the first and second writing boards.
3. When the first writing board is pulled out from the second writing board, the spring 21 is expanded to hook the first hook-shaped positioning plate 16 on the corresponding U-shaped hook 10, and the inclination angles of the first writing board and the second writing board can be adjusted by adjusting the height of the supporting plate component.
The utility model can let students review the learned knowledge quickly by displaying the knowledge points on the first writing board and the second writing board in different rectangular grooves; the burden of teachers is reduced, and the students with different schedules can be cared for; the problem of traditional show board writing area limited is solved, also can give the student with the more clear show of different knowledge points simultaneously, improved the efficiency in classroom, easily promote.
Claims (7)
1. The utility model provides a expansion plate for english teaching, includes bottom plate (1), rectangle storage piece (2) and backup pad subassembly, its characterized in that: the rectangular storage block (2) is arranged on the bottom plate (1), at least three rectangular grooves (5) are dug at the front end of the rectangular storage block (2), and the rectangular grooves (5) are distributed in an up-and-down parallel manner; a telescopic plate component (7) is inserted into each rectangular groove (5); first grooves (3) are correspondingly dug on two sides of the rectangular storage block (2), and positioning hole groups are respectively arranged on two sides of each first groove (3); each positioning hole group is composed of at least ten positioning holes (4), each positioning hole group is vertically distributed, and the distance between the upper and lower adjacent positioning holes (4) is the same; the supporting plate assembly comprises a plate surface (8) and two connecting plates (9), a limiting block (20) is fixedly connected to the front end of the plate surface (8), the two connecting plates (9) are fixedly connected with the two sides of the rear end face of the plate surface (8) respectively, a sliding block (19) matched with the first groove (3) is arranged on the inner side of each connecting plate (9), at least ten U-shaped hooks (10) are arranged on the plate surface (8), and the distance between every two adjacent U-shaped hooks (10) is the same; through holes (9-1) are symmetrically dug in the connecting plates (9) on two sides of each sliding block (19), guide holes (11) with internal threads are formed in the positions, corresponding to the through holes (9-1), of the outer sides of the connecting plates (9), matched threaded rods (12) are rotatably inserted into the guide holes (11), and the supporting plate component is connected with the corresponding first grooves (3) in a sliding mode through the sliding blocks (19) arranged on the inner sides of the rectangular storage blocks (2) below the rectangular grooves (5); a first L-shaped support plate (12-1) is respectively arranged on the rectangular storage block (2) below each telescopic plate component (7).
2. The expansion plate for english teaching of claim 1, characterized in that: the diameter of the circular section of the threaded rod (12) is matched with the inner diameter of the positioning hole (4), and the position of the through hole (9-1) on each connecting plate (9) corresponds to the position of the positioning hole (4).
3. The expansion plate for english teaching of claim 1, characterized in that: the retractable plate component (7) consists of a first writing plate (7-1), a second writing plate (7-2), a first limiting plate (6), a first hook-shaped positioning plate (16) and a second L-shaped support plate (7-3), the second writing plate (7-2) is open at one end and is distributed in a hollow manner, and the second writing plate (7-2) is sleeved outside the first writing plate (7-1); at least five second grooves (17) are dug on two side faces of the first writing board (7-1), and the distance between every two adjacent second grooves (17) is the same; one ball (18) is movably arranged in each second groove (17), and one third part of the ball (18) is positioned outside the second groove (17); the end of the first writing board (7-1) in the second writing board (7-2) is connected with the inner wall of the second writing board (7-2) through a spring (21); two sides of the other end of the first writing board (7-1) are respectively provided with a second spring (15), and the end part of each second spring (15) is provided with a positioning block (14); two side surfaces of the front end of the second writing board (7-2) are dug with second positioning holes (13) matched with the positioning blocks (14); a second L-shaped support plate (7-3) is arranged at the rear end of the second writing plate (7-2), so that a groove is formed at the tail end of the second writing plate (7-2); the front end of the first writing board (7-1) is fixedly connected with a first limiting board (6), and each first limiting board (6) is provided with a first hook-shaped positioning board (16).
4. The expansion plate for english teaching of claim 1, characterized in that: the two first grooves (3) are symmetrically arranged on two side surfaces of the rectangular storage block (2) respectively; the number of the positioning hole groups is four, and two positioning hole groups are respectively arranged on the side surface of each rectangular storage block (2).
5. The expansion plate for English teaching of claim 3, wherein: the number of the springs (21) is three, the springs are distributed in a left-right parallel shape, one end of each spring (21) is connected with one end of the first writing board (7-1), and the other end of each spring (21) is fixedly connected with the inner wall of the second writing board (7-2).
6. The expansion plate for english teaching of claim 1, characterized in that: and an included angle of 45 degrees is formed between each rectangular groove (5) and the bottom plate (1).
7. The expansion plate for English teaching of claim 3, wherein: the first writing board (7-1) and the second writing board (7-2) are inserted into the second positioning hole (13) through the positioning block (14) and fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107539.8U CN211787735U (en) | 2020-01-17 | 2020-01-17 | A expansion plate for english teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107539.8U CN211787735U (en) | 2020-01-17 | 2020-01-17 | A expansion plate for english teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211787735U true CN211787735U (en) | 2020-10-27 |
Family
ID=72893905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107539.8U Expired - Fee Related CN211787735U (en) | 2020-01-17 | 2020-01-17 | A expansion plate for english teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211787735U (en) |
-
2020
- 2020-01-17 CN CN202020107539.8U patent/CN211787735U/en not_active Expired - Fee Related
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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: 20201027 Termination date: 20220117 |