CN209571102U - A kind of height-adjustable presentation board for English teaching - Google Patents
A kind of height-adjustable presentation board for English teaching Download PDFInfo
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- CN209571102U CN209571102U CN201821130793.9U CN201821130793U CN209571102U CN 209571102 U CN209571102 U CN 209571102U CN 201821130793 U CN201821130793 U CN 201821130793U CN 209571102 U CN209571102 U CN 209571102U
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- fixedly connected
- height
- support frame
- supporting leg
- threaded rod
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Abstract
The utility model discloses a kind of height-adjustable presentation board for English teaching, including support frame, motor is fixedly connected at the center of support frame as described above inner cavity top, the output shaft of the motor is fixedly connected with threaded rod, the bottom of the threaded rod is connected with fixing axle, the bottom of the fixing axle is fixedly connected with the bottom of support frame inner cavity, and the surface of described threaded rod one end is threaded with thread bush.The utility model passes through the setting of motor, threaded rod, fixing axle, thread bush, adjusting rod, trapezoid block, loose slot, elevating lever, display board, supporting leg, pulley and moving casing, it can be made adjustment in time according to the use demand of English Instructor to the height of display board, it is convenient to use, save the time, improve efficiency of teaching, it solves traditional English teaching display board simultaneously to be all placed on fixed position and can not highly be adjusted, it can not be made adjustment according to the height of teacher, use extremely inconvenient problem.
Description
Technical field
The utility model relates to teaching aid technical field, specially a kind of height-adjustable English teaching is shown
Plate.
Background technique
The whole world reaches a quarter using the population of English at present, and English is 70 national official languages, a state more than 100
The preferred foreign language of family, the use scope of English is very extensive, with the development of society, the internationalization level in China is higher and higher, English
Language is increasingly paid attention to by compatriots as languages the most international, in examine, college entrance examination, postgraduate qualifying examination, professional title test invariably with
English hook, therefore this to English teaching, more stringent requirements are proposed, presentation board for English teaching is common teaching aid, pass
The English teaching display board of system is all placed on fixed position and height can not be adjusted, and can not make tune according to the height of teacher
It is whole, it uses extremely inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of height-adjustable presentation board for English teaching, has adjustable height
The advantages of spending solves traditional English teaching display board and is all placed on fixed position and can not highly be adjusted, Wu Fagen
It makes adjustment according to the height of teacher, uses extremely inconvenient problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of height-adjustable English teaching use
Display board, including support frame, motor is fixedly connected at the center of support frame as described above inner cavity top, and the output shaft of the motor is solid
Surely it is connected with threaded rod, the bottom of the threaded rod is connected with fixing axle, the bottom and support frame inner cavity of the fixing axle
Bottom be fixedly connected, the surface of described threaded rod one end is threaded with thread bush, and the positive two sides of thread bush are logical
It crosses pin shaft and is connected with adjusting rod, the one end of the adjusting rod far from thread bush is connected with trapezoid block by pin shaft, institute
It states and offers loose slot at the top of trapezoid block, elevating lever is provided with above the loose slot, the top of the elevating lever is run through
Support frame and the outside for extending to support frame are fixedly connected with display board, and the bottom of the elevating lever is fixedly connected with supporting leg, institute
The bottom for stating supporting leg is connected with pulley, and the inner wall of the pulley and loose slot is slidably connected, the table of described elevating lever one end
Face is threaded with moving casing.
Preferably, the two sides of display board front bottom are fixedly connected to holder, and the top of the holder is living
It is dynamic to be connected with cover board, storage box is fixedly connected on the left of the display board.
Preferably, the two sides of support frame as described above bottom are fixedly connected to supporting leg, and the bottom activity of the supporting leg connects
It is connected to idler wheel, the surface activity of described supporting leg one end is connected with brake block.
Preferably, the two sides of support frame as described above intracavity bottom are fixedly connected to link block, open at the top of the link block
Equipped with sliding slot, the internal slide of the sliding slot is connected with slide bar, and the top of the slide bar is fixedly connected with the bottom of trapezoid block.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through motor, threaded rod, fixing axle, thread bush, adjusting rod, trapezoid block, loose slot, lifting
The setting of bar, display board, supporting leg, pulley and moving casing, can according to the use demand of English Instructor to the height of display board and
When make adjustment, be easy to use, save the time, improve efficiency of teaching, while solving traditional English teaching display board and be all
It is placed on fixed position and height can not be adjusted, can not be made adjustment, be used extremely inconvenient according to the height of teacher
Problem.
2, the utility model is by the setting of holder and storage box, and chalk and some other can be placed in teaching process
Teaching aid, convenient for storage, when use, takes at any time, convenient and efficient, convenient to display board by the setting of supporting leg and idler wheel
It is moved, device operation is convenient, and it is time saving and energy saving, by the setting of link block, sliding slot and slide bar, to display board height tune
When section, the stability that trapezoid block moves left and right can be increased, prevent to deviate, while elevating lever and display board are rising movement
Inclination or offset will not be generated in the process, since the through-hole offered at the top of support frame can only be moved up and down by elevating lever, and
Gap is filled with sealing ring, so display board will not be made to generate inclination.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model support frame internal view.
In figure: 1 support frame, 2 motors, 3 threaded rods, 4 fixing axles, 5 thread bush, 6 adjusting rods, 7 trapezoid blocks, 8 loose slots, 9
Elevating lever, 10 display boards, 11 supporting legs, 12 pulleys, 13 moving casings, 14 holders, 15 storage boxes, 16 supporting legs, 17 idler wheels, 18
Link block, 19 sliding slots, 20 slide bars.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of height-adjustable presentation board for English teaching referring to FIG. 1-2, including support frame 1,1 bottom of support frame
Two sides be fixedly connected to supporting leg 16, the bottom of supporting leg 16 is connected with idler wheel 17, the surface of 16 one end of supporting leg
It is connected with brake block, convenient to move to display board 10 by the setting of supporting leg 16 and idler wheel 17, device operation
It is convenient, it is time saving and energy saving, motor 2 is fixedly connected at the center of 1 inner cavity top of support frame, the output shaft of motor 2 is fixedly connected with
Threaded rod 3, the bottom of threaded rod 3 are connected with fixing axle 4, the fixed company in the bottom of fixing axle 4 and the bottom of 1 inner cavity of support frame
It connects, the surface of 3 one end of threaded rod is threaded with thread bush 5, and the positive two sides of thread bush 5 pass through pin shaft and are connected with tune
Pole 6, the one end of adjusting rod 6 far from thread bush 5 are connected with trapezoid block 7, the two sides of 1 intracavity bottom of support frame by pin shaft
It is fixedly connected to link block 18, the top of link block 18 offers sliding slot 19, and the internal slide of sliding slot 19 is connected with slide bar 20,
The top of slide bar 20 is fixedly connected with the bottom of trapezoid block 7, by the setting of link block 18, sliding slot 19 and slide bar 20, to exhibition
When showing 10 height adjustment of plate, the stability that trapezoid block 7 moves left and right can be increased, prevent to deviate, while elevating lever 9 and displaying
Plate 10 will not generate inclination or offset during rising mobile, and the through-hole offered due to the top of support frame 1 can only be by
Elevating lever 9 moves up and down, and gap is filled with sealing ring, so display board 10 will not be made to generate inclination, the top of trapezoid block 7
Loose slot 8 is offered, the top of loose slot 8 is provided with elevating lever 9, and the top of elevating lever 9 through support frame 1 and extends to support
The outside of frame 1 is fixedly connected with display board 10, and the two sides of the positive bottom of display board 10 are fixedly connected to holder 14, holder
14 top movable is connected with cover board, and the left side of display board 10 is fixedly connected with storage box 15, passes through holder 14 and storage box
15 setting can place chalk and some other teaching aid in teaching process, and convenient for storage, when use takes at any time, side
Just quick, the bottom of elevating lever 9 is fixedly connected with supporting leg 11, and the bottom of supporting leg 11 is connected with pulley 12, pulley 12 and work
The inner wall of dynamic slot 8 is slidably connected, and the surface of 9 one end of elevating lever is threaded with moving casing 13, by motor 2, threaded rod 3,
Fixing axle 4, thread bush 5, adjusting rod 6, trapezoid block 7, loose slot 8, elevating lever 9, display board 10, supporting leg 11, pulley 12 and activity
The setting of casing 13 can make adjustment in time to the height of display board 10 according to the use demand of English Instructor, be easy to use, section
Make an appointment, improve efficiency of teaching, while solve traditional English teaching display board be all placed on fixed position and height can not
It is adjusted, can not be made adjustment according to the height of teacher, use extremely inconvenient problem.
In use, shifting display board 10 onto designated position by the cooperation of supporting leg 16 and idler wheel, English Instructor passes through exhibition
Show that plate 10 when being imparted knowledge to students, can place chalk and other teaching aids by holder 14 and storage box 15, when needing exhibition
When showing that the height of plate 10 is adjusted upwards, motor 2 is started by external controller and is worked, the output shaft of motor 2 drives screw thread
3 positive direction of bar rotation, since thread bush 5 is to be threadedly coupled with threaded rod 3, so thread bush 5 can be according to the rotation side of threaded rod 3
To being moved up or down, the adjusting rod 6 when thread bush 5 is moved up through two sides drives two trapezoid blocks 7 mutual
Close, the sliding slot 19 at 7 top of trapezoid block drives elevating lever 9 to move up by pulley 12, and the rising of elevating lever 9 at this time can reach
To the adjusting to 10 height of display board, motor 2 can be closed after height adjustment is suitable, damaged or needed replacing in display board 10
When, display board 10 can be removed by rotation moving casing 13, can be replaced.
In summary: the height-adjustable presentation board for English teaching passes through motor 2, threaded rod 3, fixing axle 4, spiral shell
Line covers matching for 5, adjusting rod 6, trapezoid block 7, loose slot 8, elevating lever 9, display board 10, supporting leg 11, pulley 12 and moving casing 13
It closes, solves traditional English teaching display board and be all placed on fixed position and can not highly be adjusted, it can not be according to teacher
Height make adjustment, use extremely inconvenient problem.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is by appended claims and its equivalent limits.
Claims (4)
1. a kind of height-adjustable presentation board for English teaching, including support frame (1), it is characterised in that: support frame as described above (1)
It is fixedly connected at the center of inner cavity top motor (2), the output shaft of the motor (2) is fixedly connected with threaded rod (3), described
The bottom of threaded rod (3) is connected with fixing axle (4), and the bottom of the fixing axle (4) and the bottom of support frame (1) inner cavity are solid
Fixed connection, the surface of described threaded rod (3) one end are threaded with thread bush (5), and the positive two sides of the thread bush (5) are logical
It crosses pin shaft to be connected with adjusting rod (6), the adjusting rod (6) is connected with far from the one end of thread bush (5) by pin shaft
Trapezoid block (7) offers loose slot (8) at the top of the trapezoid block (7), is provided with elevating lever above the loose slot (8)
(9), the top of the elevating lever (9) through support frame (1) and extends to the outside of support frame (1) and is fixedly connected with display board
(10), the bottom of the elevating lever (9) is fixedly connected with supporting leg (11), and the bottom of the supporting leg (11) is connected with pulley
(12), the pulley (12) and the inner wall of loose slot (8) are slidably connected, and the surface of described elevating lever (9) one end is threaded with
Moving casing (13).
2. a kind of height-adjustable presentation board for English teaching according to claim 1, it is characterised in that: the displaying
The two sides of plate (10) front bottom are fixedly connected to holder (14), and the top movable of the holder (14) is connected with lid
Plate is fixedly connected with storage box (15) on the left of the display board (10).
3. a kind of height-adjustable presentation board for English teaching according to claim 1, it is characterised in that: the support
The two sides of frame (1) bottom are fixedly connected to supporting leg (16), and the bottom of the supporting leg (16) is connected with idler wheel (17),
The surface activity of described supporting leg (16) one end is connected with brake block.
4. a kind of height-adjustable presentation board for English teaching according to claim 1, it is characterised in that: the support
The two sides of frame (1) intracavity bottom are fixedly connected to link block (18), offer sliding slot (19) at the top of the link block (18),
The internal slide of the sliding slot (19) is connected with slide bar (20), and the top of the slide bar (20) and the bottom of trapezoid block (7) are fixed
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130793.9U CN209571102U (en) | 2018-07-17 | 2018-07-17 | A kind of height-adjustable presentation board for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130793.9U CN209571102U (en) | 2018-07-17 | 2018-07-17 | A kind of height-adjustable presentation board for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571102U true CN209571102U (en) | 2019-11-01 |
Family
ID=68320578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821130793.9U Active CN209571102U (en) | 2018-07-17 | 2018-07-17 | A kind of height-adjustable presentation board for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571102U (en) |
-
2018
- 2018-07-17 CN CN201821130793.9U patent/CN209571102U/en active Active
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