CN210890726U - Teaching display screen that can write - Google Patents

Abstract

The utility model discloses a writable teaching display screen, which comprises a writing display screen, a first vertical plate and a second vertical plate. A horizontal plate is fixedly connected to the top of the opposite side of the first vertical plate and the second vertical plate. , a threaded rod is arranged through the top of the right side of the first vertical plate, the left end of the threaded rod penetrates the first vertical plate and is movably connected with the top of the right side of the second vertical plate through a bearing, and the surface of the threaded rod is threadedly sleeved There is a threaded sleeve, the top of the horizontal plate is provided with a chute, and the bottom of the threaded sleeve is fixedly connected with a slider. The utility model solves the problem that the existing writable teaching display screen does not have the functions of protection and is convenient to adjust the height and rotation angle. When the height of the user is different, it cannot be adjusted to a comfortable position, which is inconvenient to use. During the teaching process, when students watch the teaching display screen, it is difficult for the students to see the content of the display screen when the sun shines on the teaching display screen, which affects the quality of teaching.

Description

A Writable Teaching Display Screen

technical field

The utility model relates to the technical field of teaching display screens, in particular to a writable teaching display screen.

Background technique

The writable teaching display screen is a product that combines a liquid crystal display and advanced touch screen technology. A large-size writing screen is placed in front of the conference room or on the classroom podium, and is connected to a computer. The lecturer operates the computer to demonstrate his Handouts or other materials are displayed on the screen. According to the progress of the meeting or the teaching situation, you can directly write, annotate, draw, edit, etc. on any interface on the screen. Text, graphics or any inserted pictures can be saved, but the existing writable teaching display screen does not have the function of protection and easy adjustment of height and rotation angle, when the user's height is different, it cannot be adjusted to a comfortable level. At the same time, during the long-term teaching process, when students watch the teaching display screen, it is difficult for students to see the content of the display screen when the sun shines on the teaching display screen, which affects the quality of teaching.

Utility model content

The purpose of the utility model is to provide a writable teaching display screen, which has the advantages of protection and easy adjustment of height and rotation angle, and solves the problem that the existing writable teaching display screen does not have protection and is easy to adjust the height and rotation angle. Function, when the height of the user is different, it cannot be adjusted to a comfortable position, which is inconvenient to use. At the same time, during the long-term teaching process, when students watch the teaching display screen, it is difficult for students to see the display when the sun shines on the teaching display screen. The content of the screen affects the quality of teaching.

In order to achieve the above purpose, the present invention provides the following technical solutions: a writable teaching display screen, comprising a writing display screen, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are opposite to one another. A horizontal plate is fixedly connected to the top of the side, a threaded rod is arranged through the top of the right side of the first vertical plate, and the left end of the threaded rod penetrates the first vertical plate and is movably connected to the top of the right side of the second vertical plate through a bearing , the surface of the threaded rod is threaded with a threaded sleeve, the top of the horizontal plate is provided with a chute, the bottom of the threaded sleeve is fixedly connected with a slider, and the bottom of the slider extends to the inner cavity of the chute , the slider is slidably connected with the chute, the top of the threaded sleeve is movably connected with a connecting rod through the rotating shaft, the end of the connecting rod away from the threaded sleeve is movably connected with a frame through the rotating shaft, and the front of the bottom of the frame cavity is movably connected with a frame. The side is movably connected with a rotating rod through a rotating shaft. The top of the rotating rod penetrates to the outside of the frame body and is fixedly connected with the bottom of the writing display screen. The back of the inner cavity of the frame is fixedly connected with a motor, and the front end of the motor rotating shaft is fixed A first bevel gear is connected, the surface of the rotating rod at one end of the inner cavity of the frame is fixedly sleeved with a second bevel gear, the first bevel gear is meshed with the second bevel gear, and the writing display screen is A cover plate is movably sleeved on the front through a rotating shaft, a card slot is opened on the top of the right side of the writing display screen, a clamping rod is provided through the top of the right side of the cover plate, and the left end of the clamping rod penetrates the cover plate and extends to the In the inner cavity of the card slot, the surface of the card rod is movably sleeved with a spring, the surface of the card rod is fixedly sleeved with a fixing plate, the left end of the spring is fixedly connected with the top of the right side of the cover plate, and the spring The right end is fixedly connected with the left side of the fixing plate, the bottom of the horizontal plate is fixedly connected with a casing, and the bottom of the inner cavity of the casing is placed with a battery.

Preferably, a turntable is fixedly connected to the right end of the threaded rod, a rocker is fixedly connected to the top of the right side of the turntable, a box door is movably connected to the front of the housing through hinges, and a handle is fixedly connected to the bottom of the front of the box.

Preferably, a pull ring is fixedly connected to the right end of the clamping rod, and a support is fixedly connected to the bottoms of the first vertical plate and the second vertical plate.

Preferably, a controller is fixedly connected to the right side of the first riser, and the controller is electrically connected to the motor and the battery.

Preferably, a first bearing is arranged between the threaded rod and the first vertical plate, the first bearing is sleeved on the surface of the threaded rod, a second bearing is arranged between the threaded rod and the second vertical plate, and the second bearing is arranged between the threaded rod and the second vertical plate. The bearing is sleeved on the surface of the threaded rod, a third bearing is arranged between the rotating rod and the frame body, and the third bearing is sleeved on the surface of the rotating rod.

Preferably, the front side of the top of the frame is provided with a first through hole adapted to the rotating rod, and the top of the right side of the cover plate is provided with a second through hole adapted to the clamping rod.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model uses the writing display screen, the first vertical plate, the second vertical plate, the horizontal plate, the threaded rod, the threaded sleeve, the chute, the slider, the connecting rod, the frame, the rotating rod, the motor, the first cone The gear, the second bevel gear, the cover plate, the card slot, the card rod, the spring, the fixing plate, the casing and the battery cooperate, which has the advantages of protection and easy adjustment of the height and rotation angle, and solves the existing writable teaching method. The display screen does not have the functions of protection and easy adjustment of height and rotation angle. When the height of the user is different, it cannot be adjusted to a comfortable position, which is inconvenient to use. When the sun shines on the teaching display screen, it is difficult for students to see the content of the display screen, which affects the quality of teaching.

2. The utility model makes the rotation of the threaded rod more convenient and labor-saving by setting the turntable and the rocker. By setting the pull ring, it is convenient to drive the clamping rod to move by pulling the pull ring. By setting the support, the first vertical plate and the The contact area between the second vertical plate and the ground makes it more stable. By setting the first bearing, the threaded rod is supported and fixed, so that the threaded rod is not affected by the first vertical plate when it rotates. While the threaded rod is supported and fixed, the rotation of the threaded rod is more stable. By setting the third bearing, the rotating rod is supported and fixed, so that the rotating rod is not affected by the frame when rotating. By setting the first through hole and the second through hole Holes, respectively, make the rotation of the rotating rod more smoothly and the movement of the clamping rod more smoothly.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic cross-sectional view of the right side of the frame body of the present invention;

Fig. 3 is the front view structure schematic diagram of the utility model;

FIG. 4 is an enlarged schematic view of A in FIG. 1 of the present invention.

In the picture: 1 writing display screen, 2 first vertical plate, 3 second vertical plate, 4 horizontal plate, 5 threaded rod, 6 threaded sleeve, 7 sliding groove, 8 sliding block, 9 connecting rod, 10 frame body, 11 rotation Rod, 12 motor, 13 first bevel gear, 14 second bevel gear, 15 cover plate, 16 card slot, 17 card lever, 18 spring, 19 fixed plate, 20 casing, 21 battery, 22 controller.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The writing display screen 1 of the present invention, the first vertical plate 2, the second vertical plate 3, the horizontal plate 4, the threaded rod 5, the threaded sleeve 6, the sliding groove 7, the sliding block 8, the connecting rod 9, the frame body 10, the rotary Rod 11, motor 12, first bevel gear 13, second bevel gear 14, cover plate 15, card slot 16, card lever 17, spring 18, fixing plate 19, housing 20, battery 21 and controller 22 All are general standard parts or parts known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or through routine experimental methods.

1-4, a writable teaching display screen includes a writing display screen 1, a first riser 2 and a second riser 3, and the tops of the opposite sides of the first riser 2 and the second riser 3 A horizontal plate 4 is fixedly connected, a threaded rod 5 is arranged through the top of the right side of the first vertical plate 2, and the left end of the threaded rod 5 penetrates through the first vertical plate 2 and is movably connected with the top of the right side of the second vertical plate 3 through a bearing. The surface of the threaded rod 5 is threadedly sleeved with a threaded sleeve 6, the top of the horizontal plate 4 is provided with a chute 7, the bottom of the threaded sleeve 6 is fixedly connected with a slider 8, and the bottom of the slider 8 extends to the inner cavity of the chute 7, The slider 8 is slidably connected with the chute 7, the top of the threaded sleeve 6 is movably connected with a connecting rod 9 through a rotating shaft, and the end of the connecting rod 9 away from the threaded sleeve 6 is movably connected with a frame body 10 through the rotating shaft. The side is movably connected with a rotating rod 11 through a rotating shaft. The top of the rotating rod 11 penetrates to the outside of the frame body 10 and is fixedly connected with the bottom of the writing display screen 1. The back of the inner cavity of the frame body 10 is fixedly connected with a motor 12. The front end is fixedly connected with a first bevel gear 13, the surface of the rotating rod 11 at one end of the inner cavity of the frame body 10 is fixedly sleeved with a second bevel gear 14, the first bevel gear 13 meshes with the second bevel gear 14, and writes The front of the display screen 1 is movably sleeved with a cover plate 15 through a rotating shaft. The top right side of the writing display screen 1 is provided with a card slot 16. The top right side of the cover plate 15 is provided with a clamping rod 17, and the left end of the clamping rod 17 penetrates the cover. The plate 15 extends to the inner cavity of the clamping slot 16, the surface of the clamping rod 17 is movably sleeved with a spring 18, the surface of the clamping rod 17 is fixedly sleeved with a fixing plate 19, and the left end of the spring 18 is fixed with the top of the right side of the cover plate 15. Connection, the right end of the spring 18 is fixedly connected with the left side of the fixed plate 19, the bottom of the horizontal plate 4 is fixedly connected with the casing 20, the bottom of the inner cavity of the casing 20 is placed with a battery 21, and the right end of the threaded rod 5 is fixedly connected with a turntable, A rocker is fixedly connected to the top of the right side of the turntable, a box door is movably connected to the front of the housing 20 through hinges, and a handle is fixedly connected to the bottom of the front of the box door. It is convenient and labor-saving. The right end of the clamping rod 17 is fixedly connected with a pull ring, and the bottoms of the first vertical plate 2 and the second vertical plate 3 are fixedly connected with a support. By setting the support, the contact area between the first vertical plate 2 and the second vertical plate 3 and the ground is increased to make it more stable. The controller 22 is fixedly connected to the right side of the first vertical plate 2, and the controller 22 is connected to the motor. 12 is electrically connected to the battery 21, a first bearing is arranged between the threaded rod 5 and the first vertical plate 2, the first bearing is sleeved on the surface of the threaded rod 5, and a threaded rod 5 and the second vertical plate 3 are provided between the The second bearing, the second bearing is sleeved on the surface of the threaded rod 5, the third bearing is installed between the rotating rod 11 and the frame body 10, and the third bearing is sleeved on the surface of the rotating rod 11. The threaded rod 5 is supported and fixed, so that the rotation of the threaded rod 5 is not affected by the first vertical plate 2. By setting the second bearing, the threaded rod 5 is supported and fixed while the threaded rod 5 is rotated more quickly. The rotation rod 11 is supported and fixed by setting the third bearing, so that the rotation rod 11 is not affected by the frame body 10 when it rotates. Through holes, the top of the right side of the cover plate 15 is provided with a second through hole that is adapted to the clamping rod 17. By setting the first through hole and the second through hole, the rotating rod 11 can be rotated more smoothly and the clamping rod 17 can be rotated more smoothly. The movement is more smooth, through the writing display screen 1, the first vertical plate 2, the second vertical plate 3, the horizontal plate 4, the threaded rod 5, the threaded sleeve 6, the chute 7, the slider 8, the connecting rod 9, the frame body 10 , the rotating rod 11, the motor 12, the first bevel gear 13, the second bevel gear 14, the cover plate 15, the card slot 16, the card rod 17, the spring 18, the fixing plate 19, the casing 20 and the battery 21 to cooperate, It has the advantages of protection and easy adjustment of height and rotation angle, which solves the problem that the existing writable teaching display screen does not have the functions of protection and easy adjustment of height and rotation angle. When the height of the user is different, it cannot be adjusted to a comfortable level. At the same time, during the long-term teaching process, when students watch the teaching display screen, it is difficult for students to see the content of the display screen when the sun shines on the teaching display screen, which affects the quality of teaching.

When in use, when the cover plate 15 needs to be removed, turn the pull ring by hand, the movement of the pull ring drives one end of the clamping rod 17 out of the clamping slot 16, and the cover plate 15 is rotated to locate the cover plate 15 below the writing display screen 1. The cover plate 15 can be used for teaching and writing on the blackboard when it is idle while protecting the writing display screen 1. When the user's height is different or the students in the back row cannot see the contents of the front and bottom of the writing display screen 1, it is necessary to display the writing display. When the height of the screen 1 is adjusted, the rocker is rotated by hand, the rotation of the rocker drives the rotation of the turntable and the threaded rod 5, and the rotation of the threaded rod 5 drives the two threaded sleeves 6 to approach or move away, and the two threaded sleeves Keep the connecting rod 9, the frame body 10, the rotating rod 11 and the writing display screen 1 away from the rise or fall, so as to adjust to the comfortable height for users of different heights and the students in the back row can see the content on the front bottom of the writing display screen 1. When When the writing display screen 1 is reflective or the students on both sides of the front row cannot see the content of the writing display screen 1, the writing display screen 1 needs to be rotated. The controller 22 controls the rotation of the motor 12. The rotation of the motor 12 drives the first The rotation of the bevel gear 13, the rotation of the first bevel gear 13 drives the rotation of the second bevel gear 14 and the rotating rod 11, and the rotation of the rotating rod 11 drives the rotation of the writing display screen 1 to adjust to a suitable angle, so that the writing display The screen 1 does not reflect light and the students on both sides of the front row can clearly see the content of the writing display screen 1. When the power is cut off, the battery 21 can provide power to the writing display screen 1 to continue teaching.

To sum up: the writable teaching display screen, through the writing display screen 1, the first vertical plate 2, the second vertical plate 3, the horizontal plate 4, the threaded rod 5, the threaded sleeve 6, the chute 7, the slider 8 , connecting rod 9, frame body 10, rotating rod 11, motor 12, first bevel gear 13, second bevel gear 14, cover plate 15, card slot 16, card rod 17, spring 18, fixed plate 19, shell The body 20 and the battery 21 cooperate to solve the problem that the existing writable teaching display screen does not have the functions of protection and easy adjustment of height and rotation angle. When the height of the user is different, it cannot be adjusted to a comfortable position, which is inconvenient to use. At the same time, in the long-term teaching process, when students watch the teaching display screen, it is difficult for the students to see the content of the display screen when the sun shines on the teaching display screen, which affects the quality of teaching.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A writable teaching display screen, comprising a writing display screen (1), a first vertical board (2) and a second vertical board (3), characterized in that: the first vertical board (2) and the first vertical board (2) and the second vertical board (3) are characterized in that: A horizontal plate (4) is fixedly connected to the top of the opposite side of the two vertical plates (3), and a threaded rod (5) is provided through the top of the right side of the first vertical plate (2). The left end penetrates the first vertical plate (2) and is movably connected with the top of the right side of the second vertical plate (3) through a bearing, the surface of the threaded rod (5) is threadedly sleeved with a threaded sleeve (6), and the horizontal plate The top of (4) is provided with a chute (7), the bottom of the threaded sleeve (6) is fixedly connected with a slider (8), and the bottom of the slider (8) extends to the inner cavity of the chute (7). , the slider (8) is slidably connected with the chute (7), the top of the threaded sleeve (6) is movably connected with a connecting rod (9) through the rotating shaft, and the connecting rod (9) is far away from the threaded sleeve (6) One end of the frame body (10) is movably connected with a frame body (10) through a rotating shaft, the front side of the bottom of the inner cavity of the frame body (10) is movably connected with a rotating rod (11) through the rotating shaft, and the top of the rotating rod (11) penetrates to the frame body The outside of (10) is fixedly connected with the bottom of the writing display screen (1), the back of the inner cavity of the frame body (10) is fixedly connected with a motor (12), and the front end of the rotating shaft of the motor (12) is fixedly connected with a No. A bevel gear (13), the surface of the rotating rod (11) located at one end of the inner cavity of the frame body (10) is fixedly sleeved with a second bevel gear (14), the first bevel gear (13) and the The second bevel gear (14) meshes, the front surface of the writing display screen (1) is movably sleeved with a cover plate (15) through a rotating shaft, and the top right side of the writing display screen (1) is provided with a card slot (16). ), the top of the right side of the cover plate (15) is provided with a clamping rod (17), and the left end of the clamping rod (17) penetrates the cover plate (15) and extends to the inner cavity of the clamping slot (16), so The surface of the clamping rod (17) is movably sleeved with a spring (18), the surface of the clamping rod (17) is fixedly sleeved with a fixing plate (19), and the left end of the spring (18) is connected to the cover plate (15) The top of the right side is fixedly connected, the right end of the spring (18) is fixedly connected with the left side of the fixing plate (19), and the bottom of the horizontal plate (4) is fixedly connected with a casing (20), the casing ( 20) A battery (21) is placed at the bottom of the inner cavity. 2. A writable teaching display screen according to claim 1, characterized in that: a turntable is fixedly connected to the right end of the threaded rod (5), a rocker is fixedly connected to the top of the right side of the turntable, and the shell A box door is movably connected to the front of the body (20) through hinges, and a handle is fixedly connected to the bottom of the front of the box door. 3. A writable teaching display screen according to claim 1, characterized in that: the right end of the clamping rod (17) is fixedly connected with a pull ring, the first vertical plate (2) and the second vertical The bottom of the plate (3) is fixedly connected with a support. 4. A writable teaching display screen according to claim 1, characterized in that: a controller (22) is fixedly connected to the right side of the first vertical plate (2), and the controller (22) It is electrically connected with the motor (12) and the battery (21). 5. A writable teaching display screen according to claim 1, characterized in that: a first bearing is arranged between the threaded rod (5) and the first vertical plate (2), and the first bearing is sleeved A second bearing is arranged on the surface of the threaded rod (5), between the threaded rod (5) and the second vertical plate (3), and the second bearing is sleeved on the surface of the threaded rod (5). A third bearing is arranged between (11) and the frame body (10), and the third bearing is sleeved on the surface of the rotating rod (11). 6. A writable teaching display screen according to claim 1, characterized in that: the front side of the top of the frame body (10) is provided with a first through hole adapted to the rotating rod (11), The top of the right side of the cover plate (15) is provided with a second through hole adapted to the clamping rod (17).

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