CN113175601A

CN113175601A - Adjustable information display device that education and training was used

Info

Publication number: CN113175601A
Application number: CN202110449145.XA
Authority: CN
Inventors: 陈思伟
Original assignee: Shenzhen Zhicheng New Infrastructure Industry Holding Co ltd
Current assignee: Guangdong Nice Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-27

Abstract

The invention discloses an adjustable information display device for education and training, and relates to the technical field of education and teaching supplies. This adjustable information display device that education and training was used, including base, display screen, two section of thick bamboo posts, horizontal pole, adjustable stabilizer blade and locking mechanical system. After the height is adjusted, the screw thread has a locking function, operation is not required to be additionally carried out by using a bolt, the whole process can be realized by only holding the handle, the operation is simple and convenient, the first support plate and the second support plate do not need to be operated one by one when being unfolded, one of the first support plate or the second support plate can be unfolded, the use is convenient, the first support plate and the second support plate can be accommodated in the square groove, the transportation space can be reduced, the display screen can be stably supported by contacting all four circular plates with the ground, the unfolding angle of the first support plate and the second support plate can be adjusted according to the actual condition by arranging the fixing hole, and the screw thread pin is screwed into the fixing hole after the adjustment.

Description

Adjustable information display device that education and training was used

Technical Field

The invention relates to the technical field of education and teaching supplies, in particular to an adjustable information display device for education and training.

Background

Along with the continuous development of science and technology, educational equipment is more and more advanced and more intelligent in a lecture hall, a plurality of intelligent equipment are used in the process of intelligent education, the equipment is gradually changed from manual operation to intelligent operation, for example, a whiteboard is generally used for information display in education training in the past, and a smart desk is used for information display at present.

At present, the information display device for education and training is generally characterized in that a display screen is fixed on a fixed support, and the height of the display screen is difficult to adjust and adapt to actual use requirements in the actual education and teaching process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an adjustable information display device for education and training, and solves the problems that the height of a display screen of the conventional information display device for education and training is difficult to adjust and adapt to actual use requirements in the actual education and teaching process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an adjustable information display device for education and training comprises a base, a display screen, two barrel columns and a cross rod, wherein the two barrel columns are fixedly connected to the upper surface of the base, two ends of the cross rod are fixedly connected with opposite surfaces of the two barrel columns respectively, a square groove is formed in the inner surface of the base, adjustable support legs are arranged in the square groove, movable rods are slidably connected to the inner portions of the two barrel columns respectively, opposite surfaces of the two movable rods are fixedly connected with two ends of a connecting rod respectively, the connecting rod is positioned above the cross rod, a bearing assembly is fixedly connected to the lower surface of the middle portion of the connecting rod, the inner wall of the bearing assembly is fixedly connected with the surface of one end of a screw rod, an internal thread pipe is inlaid in the middle of the cross rod, the inner wall of the internal thread pipe is in threaded connection with the surface of the screw rod, and a round pipe is fixedly connected to the surface of the connecting rod through a connecting block, the surface of the display screen is fixedly connected with a U-shaped seat, a first screw hole is formed in the surface of the U-shaped seat, a first stud is connected to the inner portion of the first screw hole in a threaded mode, the first stud is movably inserted into the circular tube, and a locking mechanism is arranged inside the U-shaped seat.

Further, adjustable stabilizer blade includes two first backup pads and two second backup pads, two the first dysmorphism gear of the equal fixedly connected with in looks remote site of first backup pad, two the equal fixedly connected with second dysmorphism gear in looks remote site of second backup pad, two first dysmorphism gear meshing, two second dysmorphism gear meshing, be equipped with two spur gears between first dysmorphism gear and the two second dysmorphism gears, two the spur gear meshes with first dysmorphism gear and second dysmorphism gear respectively, two the spur gear meshing, the inner wall of first dysmorphism gear, second dysmorphism gear and spur gear all is equipped with the bearing piece, the inside fixedly connected with fixed axle of bearing piece, fixed axle fixed connection is in the inside of square groove.

Furthermore, two the surface that deviates from the end of first backup pad and the surface that deviates from the end of two second backup pads have all seted up the second screw, the internal thread of second screw is connected with the second double-screw bolt, the bottom fixedly connected with plectane of second double-screw bolt, the fixed surface of second double-screw bolt is connected with the handle.

Further, the inboard fixedly connected with screw hole board of first backup pad, the inside threaded connection of screw hole board has the screw thread round pin, the fixed orifices has been seted up to the bottom of square groove inner wall.

Further, locking mechanical system includes the fixed orifice plate, fixed orifice plate fixed connection is in the inside of U-shaped seat, the inside activity of fixed orifice plate has run through the inserted bar, the locating hole has been seted up on the surface of pipe, the inserted bar is pegged graft in the inside of locating hole, the last fixed surface of fixed orifice plate is connected with the spring, the top fixedly connected with roof of spring, the spring activity cup joints the surface at the inserted bar, roof fixed connection is at the top of inserted bar.

Further, the top of the top plate is fixedly connected with a pull ring.

Furthermore, the bottom of the inserted bar is arc-shaped, and the positioning hole is a round hole.

Furthermore, a handle is welded on the side face of the bottom of the screw rod and is horizontally arranged.

Furthermore, a third screw hole is formed in the surface of the first stud, a threaded limiting rod is connected to the inner portion of the third screw hole in a threaded mode, and the threaded limiting rod is perpendicular to the first stud.

(III) advantageous effects

The invention has the following beneficial effects:

(1) this adjustable information display device that education training was used, through the section of thick bamboo post, the movable rod, screw rod and internal thread pipe, during height-adjusting, hold the handle and make the screw rod rotate, the screw rod rotates and vertical up-and-down motion, bearing assembly is used for connecting screw rod and connecting rod can guarantee simultaneously that the screw rod can normally rotate, thereby the screw rod rotates and vertical up-and-down motion cooperation bearing assembly drives connecting rod and two movable rods and slides along the section of thick bamboo post is vertical from top to bottom together, owing to adopt internal thread pipe and screw rod cooperation height-adjusting, consequently, height-adjusting later because the screw thread itself has the locking function, need not extra external bolt and carry out the fixed of height, whole process only needs to hold the handle and can realize adjusting, and easy operation is convenient, and is easy to understand.

(2) The adjustable information display device for education and training comprises a first support plate, a second support plate, a first special-shaped gear, a second special-shaped gear and a straight gear, as shown in figure 6, wherein one of the first support plate or the second support plate is held and turned away, the first special-shaped gear or the second special-shaped gear rotates, as the two straight gears are meshed with each other and the two straight gears are respectively meshed with the first special-shaped gear and the second special-shaped gear, other first support plate and other second support plate are synchronously unfolded when the one of the first support plate or the second support plate is held and turned away, so that one operation is not needed and the use is convenient, in the transportation process, the first support plate and the second support plate can be contained in a square groove, so that the transportation space can be reduced, and the first support plate and the second support plate can be unfolded just before the use, first backup pad and second backup pad after the expansion and ground contactless, twist this moment and move the handle and make the second double-screw bolt rotate, the rotatory downstream of second double-screw bolt, all with ground contact until four plectanes, four plectanes are all with ground contact, whole base alright subaerial with more stable support, display screen alright in order to obtain stable support, it is more stable to use, in order to ensure that the foot is played when first backup pad and second backup pad, first backup pad and second backup pad can not pack up, only need with the screw pin screw into the inside of fixed orifices can, the quantity of fixed orifices is three or more than three, can adjust the angle that first backup pad and second backup pad expanded according to actual conditions, it can to screw the inside of fixed orifices again after the regulation.

(3) This adjustable information display device that education training was used, through the fixed orifice plate, the inserted bar, locating hole and spring, after the altitude mixture control, can adjust the angle of display screen through extracting the locating hole with the inserted bar, the below of display screen is detained for a hand to specific operation, the finger of another hand passes pull ring and pulling pull ring, the spring extension, detain that the hand of display screen below this moment alright carry out the angle modulation, another hand loosens the pull ring after the regulation, the spring shortens, it can fix the display screen after the angle modulation to make the inserted bar insert the locating hole inside that corresponds, whole in-process at the angle modulation need not two people cooperation and goes on, can accomplish alone, be convenient for adjust.

(4) This adjustable information display device that educational training used, through third screw and screw thread gag lever post, as shown in fig. 5, first double-screw bolt is screwed up when the inside of pipe, first double-screw bolt can act as the axle and use this moment, the display screen can rotate round first double-screw bolt, but because first double-screw bolt is not fixed, screw into when the inside of pipe when first double-screw bolt, screw up the inside at the third screw with the screw thread gag lever post after that, the third screw is exposed at two of screw thread gag lever post, can prevent that first double-screw bolt from breaking away from the pipe, the display screen just can not drop, play spacing fixed effect, the display screen is difficult for dropping and uses more stably.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is a left sectional view of the cartridge of FIG. 1 in position according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3 at B in accordance with the present invention;

FIG. 5 is a top cross-sectional view of the tube of FIG. 3 in the position of the tube of the present invention;

FIG. 6 is a top cross-sectional view of the square groove of FIG. 3 in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C in accordance with the present invention;

fig. 8 is a schematic structural view of the first support plate according to the present invention when it is unfolded.

In the figure, 1, a base; 2. a display screen; 3. a cylinder; 4. a cross bar; 5. a square groove; 6. adjustable support legs; 601. a first support plate; 602. a second support plate; 603. a first shaped gear; 604. a second shaped gear; 605. a spur gear; 606. a bearing member; 607. a fixed shaft; 7. a movable rod; 8. a connecting rod; 9. a bearing assembly; 10. a screw; 11. an internally threaded tube; 12. connecting blocks; 13. a circular tube; 14. a U-shaped seat; 15. a first screw hole; 16. a first stud; 17. a locking mechanism; 1701. fixing the orifice plate; 1702. inserting a rod; 1703. positioning holes; 1704. a spring; 1705. a top plate; 18. a second screw hole; 19. a second stud; 20. a circular plate; 21. a handle; 22. a threaded orifice plate; 23. a threaded pin; 24. a fixing hole; 25. a pull ring; 26. a grip; 27. a third screw hole; 28. screw thread gag lever post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 8, an embodiment of the present invention provides a technical solution: an adjustable information display device for education and training comprises a base 1, a display screen 2, two barrel columns 3 and a cross rod 4, wherein the barrel columns 3 are barrel-shaped columns, the two barrel columns 3 are fixedly connected to the upper surface of the base 1, two ends of the cross rod 4 are fixedly connected with opposite surfaces of the two barrel columns 3 respectively, a square groove 5 is formed in the inner surface of the base 1, an adjustable supporting leg 6 is arranged in the square groove 5, the base 1 is supported and stabilized on the ground by the adjustable supporting leg 6, movable rods 7 are slidably connected in the two barrel columns 3 respectively, the opposite surfaces of the two movable rods 7 are fixedly connected with two ends of a connecting rod 8 respectively, the connecting rod 8 is positioned above the cross rod 4, a bearing assembly 9 is fixedly connected to the lower surface of the middle of the connecting rod 8, the bearing assembly 9 comprises a bearing seat and a bearing body, and the inner wall of the bearing seat is fixedly connected with the outer wall of the bearing body, the inner wall of bearing body is connected with the fixed surface of screw rod 10, the inner wall of bearing assembly 9 is connected with the fixed surface of screw rod 10 one end, the middle part of horizontal pole 4 is inlayed and is had internal thread pipe 11, the inner wall of internal thread pipe 11 and the surface threaded connection of screw rod 10, connecting rod 8's surface is through connecting block 12 fixedly connected with pipe 13, the fixed surface of display screen 2 is connected with U-shaped seat 14, and U-shaped seat 14 passes through the screw and installs at the back of display screen 2, first screw 15 has been seted up on the surface of U-shaped seat 14, the inside threaded connection of first screw 15 has first double-screw bolt 16, the inside at pipe 13 is pegged graft in to first double-screw bolt 16 activity, the inside of U-shaped seat 14 is equipped with locking mechanical system 17, and locking mechanical system 17 mainly fixes the angle after the display screen 2 rotates.

Specifically, the adjustable foot 6 comprises two first supporting plates 601 and two second supporting plates 602, opposite ends of the two first supporting plates 601 are fixedly connected with first special-shaped gears 603, opposite ends of the two second supporting plates 602 are fixedly connected with second special-shaped gears 604, the two first special-shaped gears 603 are meshed, the two second special-shaped gears 604 are meshed, two straight gears 605 are arranged between the first special-shaped gear 603 and the two second special-shaped gears 604, the two straight gears 605 are respectively meshed with the first special-shaped gear 603 and the second special-shaped gear 604, the two straight gears 605 are meshed, the inner walls of the first special-shaped gear 603, the second special-shaped gear 604 and the straight gear 605 are all provided with bearing pieces 606, the inside fixedly connected with fixed axle 607 of bearing piece 606, fixed axle 607 fixed connection is in the inside of square groove 5.

In this embodiment, since the two spur gears 605 are engaged with each other and the two spur gears 605 are engaged with the first and second contour gears 603 and 604, respectively, the other first and

second support plates

601 and 602 are simultaneously and simultaneously unfolded in the process of rotating away one of the first and

second support plates

601 and 602, and thus one operation is not required, which is convenient for use.

Specifically, two surfaces of the first support plate 601 away from the end and surfaces of the two second support plates 602 away from the end are both provided with second screw holes 18, the inner threads of the second screw holes 18 are connected with second studs 19, the bottom of the second studs 19 is fixedly connected with a circular plate 20, and the surface of the second studs 19 is fixedly connected with a handle 21.

In this embodiment, the handle 21 is screwed to rotate the second stud 19, and the second stud 19 rotates and moves downward until all the four circular plates 20 contact the ground, and all the four circular plates 20 contact the ground, so that the whole base 1 can be stably supported on the ground, and the display screen 2 can be stably supported and used.

Specifically, the inner side of the first supporting plate 601 is fixedly connected with a threaded hole plate 22, the inner thread of the threaded hole plate 22 is connected with a threaded pin 23, and the bottom of the inner wall of the square groove 5 is provided with a fixing hole 24.

In this embodiment, in order to ensure that the feet kick the first support plate 601 and the second support plate 602, the first support plate 601 and the second support plate 602 can not be packed up, only need to screw the threaded pin 23 into the inside of the fixing hole 24, the number of the fixing hole 24 is three or more, the angle that the first support plate 601 and the second support plate 602 are unfolded can be adjusted according to actual conditions, and the threaded pin 23 can be screwed into the inside of the fixing hole 24 after adjustment.

Specifically, the locking mechanism 17 includes a fixed orifice plate 1701, the fixed orifice plate 1701 is fixedly connected inside the U-shaped seat 14, an insert rod 1702 movably penetrates through the inside of the fixed orifice plate 1701, a positioning hole 1703 is formed in the surface of the circular tube 13, the insert rod 1702 is inserted into the positioning hole 1703, a spring 1704 is fixedly connected to the upper surface of the fixed orifice plate 1701, a top plate 1705 is fixedly connected to the top of the spring 1704, the spring 1704 is movably sleeved on the surface of the insert rod 1702, and the top plate 1705 is fixedly connected to the top of the insert rod 1702.

In this embodiment, can adjust the angle of display screen 2 through pulling out locating hole 1703 with inserted bar 1702, the finger of another hand of below that the display screen 2 was buckled to one hand passes pull ring 25 and stimulates pull ring 25, that hand of buckleing the display screen 2 below can carry out angle modulation, another hand loosens pull ring 25 after the regulation, spring 1704 shortens, make inserted bar 1702 insert corresponding locating hole 1703 inside can fix display screen 2 after the angle modulation, need not two people's cooperations to go on at the whole in-process of angle modulation, can accomplish alone, be convenient for adjust.

Specifically, a pull ring 25 is fixedly connected to the top of the top plate 1705.

In this embodiment, the pull ring 25 facilitates the user to pull the top plate 1705 with one hand grasping the lower edge of the display screen 2.

Specifically, the bottom of the insert rod 1702 is arc-shaped, and the positioning hole 1703 is a circular hole.

In this embodiment, the obstruction can be reduced in the process of inserting the insertion rod 1702 into the positioning hole 1703, and the insertion rod 1702 can be inserted more smoothly.

Specifically, a handle 26 is welded to the side of the bottom of the screw 10, and the handle 26 is horizontally disposed.

In this embodiment, the handle 26 is held and rotated to rotate the screw 10, which is not only labor-saving but also convenient for rotating the screw 10.

Specifically, a third screw hole 27 is formed in the surface of the first stud 16, a threaded limiting rod 28 is connected to the inner thread of the third screw hole 27, and the threaded limiting rod 28 is perpendicular to the first stud 16.

In this embodiment, as shown in fig. 5, when the first stud 16 is screwed up inside the circular tube 13, at this time, the first stud 16 can serve as a shaft for use, the display screen 2 can rotate around the first stud 16, but because the first stud 16 is not fixed, when the first stud 16 is screwed into the circular tube 13, the threaded limiting rod 28 is screwed up inside the third screw hole 27, and the third screw hole 27 is exposed at both ends of the threaded limiting rod 28, so that the first stud 16 can be prevented from being separated from the circular tube 13, the display screen 2 will not fall off, the limiting and fixing effects are achieved, and the display screen 2 is not easy to fall off and is more stable in use.

When the height-adjustable display screen is used (working), when the height is adjusted, the handle 26 is held to enable the screw rod 10 to rotate, the screw rod 10 rotates and vertically moves up and down, the bearing assembly 9 is used for connecting the screw rod 10 and the connecting rod 8 and can ensure that the screw rod 10 can normally rotate, the screw rod 10 rotates and vertically moves up and down to be matched with the bearing assembly 9 so as to drive the connecting rod 8 and the two movable rods 7 to vertically slide up and down along the barrel column 3, the height is adjusted by matching the internal thread pipe 11 and the screw rod 10, therefore, after the height is adjusted, because the thread has a locking function, the height is not required to be additionally fixed by using a bolt, the whole process can be adjusted by holding the handle 26, the operation is simple, convenient and understandable, after the height is adjusted, the angle of the display screen 2 can be adjusted by pulling the inserting rod 1702 out of the positioning hole 1703, and the specific operation is that one hand is buckled below the display screen 2, the other hand penetrates through the pull ring 25 and pulls the pull ring 25, the spring 1704 extends, the hand under the display screen 2 is buckled at the moment, the angle adjustment can be carried out, after the adjustment, the other hand releases the pull ring 25, the spring 1704 shortens, the inserted rod 1702 is inserted into the corresponding positioning hole 1703, the display screen 2 after the angle adjustment can be fixed, the whole process of the angle adjustment can be completed by one person without matching two persons, the adjustment is convenient, as shown in figure 6, one of the first support plate 601 or the second support plate 602 is firstly held and rotated, the first special-shaped gear 603 or the second special-shaped gear 604 rotates, as the two straight gears 605 are mutually meshed and the two straight gears 605 are respectively meshed with the first special-shaped gear 603 and the second special-shaped gear 604, so the other first support plate 601 and the second support plate 602 are synchronously unfolded simultaneously in the process of holding one of the first support plate 601 or the second support plate 602 and rotating, the operation is not needed, the use is convenient, in the transportation process, the first support plate 601 and the second support plate 602 can be accommodated in the square groove 5, so that the transportation space can be reduced, the first support plate 601 and the second support plate 602 can be unfolded just before use, the unfolded first support plate 601 and the second support plate 602 are not in contact with the ground, at the moment, the handle 21 is screwed to rotate the second stud 19, the second stud 19 rotates downwards until all the four round plates 20 are in contact with the ground, the whole base 1 can be stably supported on the ground, the display screen 2 can be stably supported, the use is more stable, when feet kick the first support plate 601 and the second support plate 602, the first support plate 601 and the second support plate 602 can not be folded, only the threaded pin 23 needs to be screwed into the fixing hole 24, the number of the fixing holes 24 is three or more, the spreading angles of the first support plate 601 and the second support plate 602 can be adjusted according to actual conditions, and the threaded pins 23 are screwed into the fixing holes 24 after adjustment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an adjustable information display device that educational training used, includes base (1), display screen (2), two section of thick bamboo post (3) and horizontal pole (4), two the equal fixed connection of section of thick bamboo post (3) is at the upper surface of base (1), the both ends of horizontal pole (4) respectively with the opposite face fixed connection of two section of thick bamboo posts (3), its characterized in that: the inner surface of the base (1) is provided with a square groove (5), the inner part of the square groove (5) is provided with adjustable support legs (6), the inner parts of the two barrel columns (3) are all connected with movable rods (7) in a sliding manner, opposite faces of the two movable rods (7) are respectively fixedly connected with two ends of a connecting rod (8), the connecting rod (8) is positioned above a cross rod (4), a bearing assembly (9) is fixedly connected with the lower surface of the middle part of the connecting rod (8), the inner wall of the bearing assembly (9) is fixedly connected with the surface of one end of a screw rod (10), the middle part of the cross rod (4) is inlaid with an internal thread pipe (11), the inner wall of the internal thread pipe (11) is connected with the surface of the screw rod (10) in a threaded manner, the surface of the connecting rod (8) is fixedly connected with a round pipe (13) through a connecting block (12), and the surface of the display screen (2) is fixedly connected with a U-shaped seat (14), the surface of the U-shaped seat (14) is provided with a first screw hole (15), the inner thread of the first screw hole (15) is connected with a first stud (16), the first stud (16) is movably inserted into the circular tube (13), and the inside of the U-shaped seat (14) is provided with a locking mechanism (17).

2. The adjustable information display device for educational training according to claim 1, wherein: the adjustable supporting leg (6) comprises two first supporting plates (601) and two second supporting plates (602), opposite ends of the two first supporting plates (601) are fixedly connected with first special-shaped gears (603), opposite ends of the two second supporting plates (602) are fixedly connected with second special-shaped gears (604), the two first special-shaped gears (603) are meshed, the two second special-shaped gears (604) are meshed, two straight gears (605) are arranged between the first special-shaped gears (603) and the two second special-shaped gears (604), the two straight gears (605) are respectively meshed with the first special-shaped gears (603) and the second special-shaped gears (604), the two straight gears (605) are meshed, inner walls of the first special-shaped gears (603), the second special-shaped gears (604) and the straight gears (605) are respectively provided with bearing parts (606), and fixed shafts (607) are fixedly connected inside the bearing parts (606), the fixed shaft (607) is fixedly connected inside the square groove (5).

3. The adjustable information display device for educational training according to claim 2, wherein: two first backup pad (601) deviate from the surface of end and two second backup pads (602) deviate from the surface of end and have all seted up second screw (18), the internal thread of second screw (18) is connected with second double-screw bolt (19), the bottom fixedly connected with plectane (20) of second double-screw bolt (19), the fixed surface of second double-screw bolt (19) is connected with handle (21).

4. The adjustable information display device for educational training according to claim 3, wherein: the inboard fixedly connected with screw hole board (22) of first backup pad (601), the inside threaded connection of screw hole board (22) has screw thread round pin (23), fixed orifices (24) have been seted up to the bottom of square groove (5) inner wall.

5. The adjustable information display device for educational training according to claim 1, wherein: the locking mechanism (17) comprises a fixing orifice plate (1701), the fixing orifice plate (1701) is fixedly connected inside a U-shaped seat (14), an insert rod (1702) penetrates through the inside of the fixing orifice plate (1701) in a movable mode, a positioning hole (1703) is formed in the surface of the circular tube (13), the insert rod (1702) is inserted into the positioning hole (1703), a spring (1704) is fixedly connected to the upper surface of the fixing orifice plate (1701), a top plate (1705) is fixedly connected to the top of the spring (1704), the spring (1704) is movably sleeved on the surface of the insert rod (1702), and the top plate (1705) is fixedly connected to the top of the insert rod (1702).

6. The adjustable information display device for educational training according to claim 5, wherein: and the top of the top plate (1705) is fixedly connected with a pull ring (25).

7. The adjustable information display device for educational training according to claim 5, wherein: the bottom of the insert rod (1702) is arc-shaped, and the positioning hole (1703) is a round hole.

8. The adjustable information display device for educational training according to claim 1, wherein: a handle (26) is welded on the side face of the bottom of the screw rod (10), and the handle (26) is horizontally arranged.

9. The adjustable information display device for educational training according to claim 1, wherein: the surface of the first stud (16) is provided with a third screw hole (27), the inner thread of the third screw hole (27) is connected with a thread limiting rod (28), and the thread limiting rod (28) is perpendicular to the first stud (16).