CN210244750U - Display device is used in teaching of college english teacher - Google Patents
Display device is used in teaching of college english teacher Download PDFInfo
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- CN210244750U CN210244750U CN201920955323.4U CN201920955323U CN210244750U CN 210244750 U CN210244750 U CN 210244750U CN 201920955323 U CN201920955323 U CN 201920955323U CN 210244750 U CN210244750 U CN 210244750U
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Abstract
The utility model discloses a display device is used in college english teacher's teaching, including show stand, show board, ratchet, catch bar and pulling rod, the internally mounted of show stand has first pivot, and the upper end of first pivot is fixed with the show board to the surface mounting of first pivot has the ratchet, the lower surface of show stand is provided with the rack, and the lower surface mounting second pivot of show stand to the surface of rack is provided with the table leg, the surface mounting of table leg has the bull stick, and the fixed surface of bull stick has the gear to the surface of bull stick is provided with the linking pole, the left side fixed surface of table leg has the supporting leg. This portable pile driver convenient to fixed point punches is provided with ratchet and handle, can be through the rotation of manual regulation ratchet to can control the angle of show board, make the classmate that is located show board both sides can be clear browse the content on the show board, thereby can not influence their study.
Description
Technical Field
The utility model relates to an english teaching technical field specifically is a display device is used in college english teacher's teaching.
Background
English is the universal language in the world, and most import and export trade are communicated with english, and english also is one of the compulsory lessons in our student's life, especially in the university stage, and four six grades of english grade exams are one of the important exams in college english, and our college english teacher also can use display device for english teaching in the classroom to solve the puzzlement in learning english for us, makes us obtain good results in four six grades of exams.
Most of the display devices for teaching college English teachers have the following problems:
the table legs cannot be lifted simultaneously, most of the existing English teaching display devices can only lift the table legs one by one, and the display devices are easy to fall due to the fact that the display devices can only feel whether the lifting heights of the table legs are equal by naked eyes;
the angle of the display board can not be adjusted, and in the classroom, when students sitting on two sides of the display board watch the contents on the display board, the display board is easy to reflect light, so that the students positioned on two sides of the display board can not watch the contents on the display board visually.
Therefore, we propose a display device for teaching college english teachers in order to solve the problems proposed in the above.
Disclosure of Invention
An object of the utility model is to provide a display device is used in college english teacher's teaching to solve the present most of display device is used in college english teacher's teaching that above-mentioned background art provided and can not go up and down the table leg simultaneously, can not adjust the problem of the angle of show board moreover.
In order to achieve the above object, the utility model provides a following technical scheme: a display device for college English teacher teaching comprises a display platform, a display board, a ratchet wheel, a push rod and a pull rod, wherein a first rotating shaft is installed inside the display platform, the display board is fixed at the upper end of the first rotating shaft, the ratchet wheel is installed on the surface of the first rotating shaft, a rack is arranged on the lower surface of the display platform, a second rotating shaft is installed on the lower surface of the display platform, table legs are arranged on the surface of the rack, rotating rods are installed on the surfaces of the table legs, gears are fixed on the surfaces of the rotating rods, an engaging rod is arranged on the surface of each rotating rod, a supporting leg is fixed on the left side surface of each table leg, a pedal is arranged on the right side of each supporting leg, a fixing frame is fixed on the surface of each pedal, balls are arranged inside the fixing frame, a handle is installed on the surface of the second rotating shaft, a first hinge pin is fixed on the surface of the, the surface of the first hinge pin is provided with a push rod, and the surface of the second hinge pin is provided with a pulling rod.
Preferably, the connection mode between rack and the show stand is welding, and rack and gear intermeshing to rack and table leg constitution sliding construction, this sliding construction is provided with two sets of about the show stand central symmetry simultaneously.
Preferably, the left end of the rotating rod is concave, and the rotating rod and the connecting rod form a rotating structure.
Preferably, the joint rod is connected with the balls in a clamping manner, the joint rod forms a rotating structure with the pedal through the balls, and the joint rod is inclined.
Preferably, the push rod and the handle form a rotating structure through a first hinge pin, and the left end of the push rod is inclined.
Preferably, the pulling rod and the handle form a rotating structure through a second hinge pin, the lower end of the pulling rod is in a hook shape, and the distance between the leftmost side of the lower end of the pulling rod and the ratchet wheel is smaller than the width of the insection on the ratchet wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the display device for teaching of college English teachers,
(1) the rotary rod, the gear and the rack are arranged, so that the table legs can be lifted or lowered at the same time, the whole device is kept horizontal all the time, the risk of toppling over of the whole device is avoided, English teaching is not influenced, and learning of students is not influenced;
(2) the display board is provided with the pedal and the connecting rod, so that an English teacher can adjust the height of the display board in a foot stepping mode according to the rising, the display board can be adjusted well at one time, and the adjusting time is saved;
(3) the ratchet wheel and the handle are arranged, the rotation of the ratchet wheel can be manually adjusted, so that the angle of the display board can be controlled, students on two sides of the display board can clearly browse the contents on the display board, and the study of the students cannot be influenced;
(4) be provided with catch bar and pulling rod, when making the ratchet pivoted, also prevent ratchet meeting antiport, can be fine fix the show board in a position, make the show board the phenomenon of swing back and forth can not appear to can not influence student's study.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a left side view of the supporting leg of the present invention;
FIG. 3 is a schematic view of the ratchet wheel of the present invention;
fig. 4 is a schematic view of the sectional structure of the table leg.
In the figure: 1. a display stand; 2. a display board; 3. a first rotating shaft; 4. a ratchet wheel; 5. a second rotating shaft; 6. a rack; 7. a gear; 8. desk legs; 9. a rotating rod; 10. a connecting rod; 11. a pedal; 12. supporting legs; 13. a fixing frame; 14. a ball bearing; 15. a handle; 16. a first hinge pin; 17. a push rod; 18. a second hinge pin; 19. pulling the 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.
Referring to fig. 1-4, the present invention provides a technical solution: a display device for college English teacher teaching comprises a display platform 1, a display board 2, a first rotating shaft 3, a ratchet wheel 4, a second rotating shaft 5, a rack 6, a gear 7, table legs 8, rotating rods 9, a connecting rod 10, a pedal 11, supporting legs 12, a fixing frame 13, balls 14, a handle 15, a first hinge pin 16, a push rod 17, a second hinge pin 18 and a pull rod 19, wherein the first rotating shaft 3 is installed inside the display platform 1, the display board 2 is fixed at the upper end of the first rotating shaft 3, the ratchet wheel 4 is installed on the surface of the first rotating shaft 3, the rack 6 is arranged on the lower surface of the display platform 1, the second rotating shaft 5 is installed on the lower surface of the display platform 1, the table legs 8 are arranged on the surface of the rack 6, the rotating rods 9 are installed on the surface of the table legs 8, the gear 7 is fixed on the surface of the rotating rods 9, the connecting rods 10 are arranged on the surface of the rotating rods 9, the supporting, and the right side of the supporting leg 12 is provided with a pedal 11, a fixed frame 13 is fixed on the surface of the pedal 11, a ball 14 is arranged inside the fixed frame 13, a handle 15 is arranged on the surface of the second rotating shaft 5, a first hinge pin 16 is fixed on the surface of the handle 15, a second hinge pin 18 is fixed on the surface of the handle 15, a push rod 17 is arranged on the surface of the first hinge pin 16, and a pull rod 19 is arranged on the surface of the second hinge pin 18.
The connection mode between rack 6 and show stand 1 is the welding, and rack 6 and gear 7 intermeshing to rack 6 and table leg 8 constitute sliding construction, and this sliding construction is provided with two sets of about show stand 1 central symmetry simultaneously, can make table leg 8 rise simultaneously, makes show stand 1 remain the level all the time.
The left end of the rotating rod 9 is concave, and the rotating rod 9 and the connecting rod 10 form a rotating structure which can drive the gear 7 to rotate.
The connecting rod 10 is connected with the ball 14 in a clamping way, the connecting rod 10 forms a rotating structure with the pedal 11 through the ball 14, the connecting rod 10 is inclined, and the position of the display board 2 can be adjusted at one time by stepping on the connecting rod.
The push rod 17 and the handle 15 form a rotating structure through the first hinge pin 16, and the left end of the push rod 17 is inclined, so that the display board 2 can rotate at any angle.
The pulling rod 19 and the handle 15 form a rotating structure through the second hinge pin 18, the lower end of the pulling rod 19 is hook-shaped, and the distance between the leftmost side of the lower end of the pulling rod 19 and the ratchet wheel 4 is less than the width of the insection on the ratchet wheel 4, so that the ratchet wheel 4 is prevented from rotating reversely, and the display board 2 is caused to rotate back and forth.
The working principle is as follows: firstly, as shown in fig. 1, 2 and 4, a college english teacher steps on a pedal 11 with feet according to his own height before class, because the connecting rod 10 and the pedal 11 form a rotating structure through a ball 14, the connecting rod 10 is driven by the pedal 11 to do circular motion, because the connecting rod 10 and the rotating rod 9 form a rotating structure, the rotating rod 9 simultaneously does circular motion, so that the gear 7 starts to rotate, because the gear 7 and the rack 6 are meshed with each other, the rack 6 slides upwards in the desk leg 8, so that the whole device can ascend simultaneously, and the whole device is always kept on the same horizontal plane, so that the risk of the whole device falling down is avoided, and the study of students is also not interfered, when the height of the display board 2 is adjusted, the nuts are tightened, and the height of the display board 2 is fixed;
as shown in fig. 1 and 3, when students who are located at both sides of the display board 2 watch the contents on the display board 2 while college english teachers teach on the display board 2, the display board 2 is easily reflected, by rotating the handle 15 counterclockwise, since the push lever 17 constitutes a rotating structure by the first hinge pin 16 and the handle 15, the pushing rod 17 moves to the right to push the ratchet 4 to rotate counterclockwise, because the pulling rod 19 constitutes a rotating structure by the second hinge pin 18, therefore, the pulling rod 19 moves upwards and pulls the ratchet wheel 4 to rotate anticlockwise, thereby achieving the purpose of adjusting the angle of the display board 2, when the pulling rod 19 and the pushing rod 17 rotate the ratchet wheel 4, also prevents the ratchet wheel 4 from rotating reversely, avoids the display board 2 from rotating back and forth to influence the study of students, this is the use process of the display device for teaching of the college english teachers, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a display device is used in teaching of college english teacher, includes show stand (1), show board (2), ratchet (4), catch bar (17) and pulling rod (19), its characterized in that: the display table is characterized in that a first rotating shaft (3) is arranged inside the display table (1), a display board (2) is fixed to the upper end of the first rotating shaft (3), a ratchet wheel (4) is arranged on the surface of the first rotating shaft (3), a rack (6) is arranged on the lower surface of the display table (1), a second rotating shaft (5) is arranged on the lower surface of the display table (1), table legs (8) are arranged on the surface of the rack (6), rotating rods (9) are arranged on the surface of the table legs (8), gears (7) are fixed on the surface of the rotating rods (9), connecting rods (10) are arranged on the surface of the rotating rods (9), supporting legs (12) are fixed to the left side surface of the table legs (8), pedals (11) are arranged on the right side of the supporting legs (12), fixed frames (13) are fixed to the surface of the pedals (11), and balls (14) are arranged inside the fixed, the surface of the second rotating shaft (5) is provided with a handle (15), the surface of the handle (15) is fixed with a first hinge pin (16), the surface of the handle (15) is fixed with a second hinge pin (18), the surface of the first hinge pin (16) is provided with a push rod (17), and the surface of the second hinge pin (18) is provided with a pull rod (19).
2. The display device for college English teacher teaching according to claim 1, wherein: the connecting mode between rack (6) and show stand (1) is the welding, and rack (6) and gear (7) intermeshing to rack (6) and table leg (8) constitute sliding construction, and this sliding construction is provided with two sets ofly about show stand (1) central symmetry simultaneously.
3. The display device for college English teacher teaching according to claim 1, wherein: the left end of the rotating rod (9) is concave, and the rotating rod (9) and the connecting rod (10) form a rotating structure.
4. The display device for college English teacher teaching according to claim 1, wherein: the connecting rod (10) is connected with the balls (14) in a clamping mode, the connecting rod (10) forms a rotating structure with the pedal (11) through the balls (14), and the connecting rod (10) is inclined.
5. The display device for college English teacher teaching according to claim 1, wherein: the push rod (17) and the handle (15) form a rotating structure through the first hinge pin (16), and the left end of the push rod (17) is inclined.
6. The display device for college English teacher teaching according to claim 1, wherein: the pulling rod (19) and the handle (15) form a rotating structure through a second hinge pin (18), the lower end of the pulling rod (19) is hook-shaped, and the distance between the leftmost side of the lower end of the pulling rod (19) and the ratchet wheel (4) is smaller than the width of the insection on the ratchet wheel (4).
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CN201920955323.4U CN210244750U (en) | 2019-06-24 | 2019-06-24 | Display device is used in teaching of college english teacher |
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CN201920955323.4U CN210244750U (en) | 2019-06-24 | 2019-06-24 | Display device is used in teaching of college english teacher |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113116054A (en) * | 2021-03-30 | 2021-07-16 | 山东外贸职业学院 | English teaching is with multimode study table |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113116054A (en) * | 2021-03-30 | 2021-07-16 | 山东外贸职业学院 | English teaching is with multimode study table |
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