All-in-one machine for multimedia teaching display

Abstract

The utility model relates to the technical field of displays, in particular to an all-in-one machine for multimedia teaching display, which comprises a fixing plate and a multimedia all-in-one machine, strip-shaped plates are integrally formed at the upper end and the lower end of the fixing plate, U-shaped plates are arranged on the strip-shaped plates in a sliding manner, threaded holes are formed in the front end surfaces of the two U-shaped plates, and the multimedia all-in-one machine is arranged in the threaded holes. According to the device, the rotating rod capable of freely rotating up and down and left and right is rotated to enable the liquid crystal screen of the multimedia all-in-one machine to face a required position, and then the screw rod is screwed, so that the multimedia all-in-one machine can be simultaneously adjusted by rotating up and down and left and right according to the mounting height and the transverse mounting position, and the front side of the liquid crystal screen faces crowds needing to be displayed; the display effect is better, and adjustment is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of displays, in particular to an all-in-one machine for multimedia teaching and display. Background Art

[0002] Classrooms, offices and other places have gradually begun to use multimedia all-in-one machines for teaching, lectures, demonstrations and other forms. In order to facilitate the intuitive display of content, people often choose to project or wall-mount the display, but the projection image is not clear and the wall-mounted device is too heavy. Not only does it pose a safety hazard after a long period of use, but it also has the problem of limited viewing angle due to inconvenience in adjustment. The existing application number is CN202110329770.0, which is a wall-mounted multimedia teaching all-in-one machine, including a mounting mechanism and a multimedia all-in-one machine... The use of a multimedia all-in-one machine is not only simple and convenient, but also convenient for intuitive viewing. The multimedia all-in-one machine is hung on the wall through the mounting mechanism, which not only makes the overall structure of the device light, but also meets the needs of various different types of wall installation. It has a wide range of applications and is more convenient to directly adjust the angle and position of the multimedia all-in-one machine, thereby enhancing practicality. However, the device can only rotate the multimedia all-in-one machine up and down but not left and right, so that teaching demonstrations can only be performed directly in front. Utility Model Content

[0003] The purpose of the utility model is to solve the disadvantage in the prior art that the multimedia all-in-one machine can only be rotated up and down but not left and right, so that teaching and display can only be performed in the front, and to propose a multimedia all-in-one machine for teaching and display.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A multimedia teaching and display all-in-one machine is designed, comprising a fixed plate and a multimedia all-in-one machine, wherein the upper and lower ends of the fixed plate are integrally formed with a strip plate, and a U-shaped plate is slidably provided on the strip plate, the front end surfaces of the two U-shaped plates are provided with threaded holes, and the threaded holes are threadedly connected with extrusion screws, and the rear ends of the two extrusion screws respectively abut the two strip plates, and sliding claws are respectively welded on both sides of the two U-shaped plates, and two strip plates are respectively slidably provided in the claw grooves at the upper and lower ends of the sliding claws, a pair of first support plates are welded between a pair of the sliding claws, and a hinge block is welded between the pair of first support plates, and the hinge block A spherical groove is provided on the front end surface, and a hinge ball is rotatably provided in the spherical groove. A rotating rod is welded to the front end of the hinge ball, and a connecting panel is fixed to the front end of the rotating rod through a positioning support structure, and the front end surface of the connecting panel is fastened to a protective shell by screws. A multimedia all-in-one machine is fixed inside the protective shell, and the LCD screen at the front end of the multimedia all-in-one machine cooperates with the opening at the front end of the protective shell. Sockets are provided on both sides of the hinge block, and friction fastening blocks are slidably provided in the sockets through an extrusion structure. A stack of friction fastening blocks are provided with arc surfaces that cooperate with the hinge ball on their end faces close to each other, and the arc surfaces are coated with a coating that increases friction.

[0006] Preferably, the positioning support structure includes a positioning plug, a fastening screw, and a second support plate. Several second support plates in a circular array are welded to the outer wall of the upper end of the rotating rod, and the top of the second support plate abuts the connecting panel. The front end surface of the connecting panel is provided with a stepped hole, and a fastening screw is inserted into the stepped hole. The rear end of the fastening screw is threadedly connected to the rotating rod. The front end surface of the connecting panel is provided with several sockets corresponding to the second support plates, and positioning plugs are inserted into the sockets. The rear ends of several positioning plugs are fixedly connected to several second support plates respectively.

[0007] Preferably, the extrusion structure includes a U-shaped block, a screw, and a magnetic ring. U-shaped blocks are fixed on both sides of the hinge block. A threaded hole is opened on the side of the U-shaped block, and a screw is connected to the thread in the threaded hole. The inner end of the screw abuts the friction fastening block, and the outer wall of the inner end of the friction fastening block is fixed with a magnetic ring for adsorbing the friction fastening block.

[0008] Preferably, a rotating handle is fixedly provided on the outer end of the screw.

[0009] Preferably, the front end surface of the connection panel is provided with two groups of symmetrically arranged adjustment holes and two groups of symmetrically arranged adjustment strip holes for inserting screws of the front end threaded connection protective shell, and the two groups of adjustment strip holes and the two groups of adjustment holes are aligned respectively.

[0010] Preferably, limiting sliding grooves are provided on the front and rear inner walls of the U-shaped block, and friction fastening blocks are slidably arranged in the limiting sliding grooves.

[0011] Preferably, the rear end surface of the strip plate is coated with an anti-slip coating.

[0012] The utility model provides an all-in-one multimedia teaching and display device, which has the beneficial effect that the device rotates a rotating rod that can rotate freely up, down, left, and right so that the liquid crystal screen of the multimedia all-in-one device faces a required position and then tightens the screw. The multimedia all-in-one device can be adjusted up, down, left, and right at the same time according to the installation height and the horizontal installation position so that the front of the liquid crystal screen faces the group of people who need to display, resulting in a better display effect and more convenient adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of an all-in-one machine for multimedia teaching and display proposed by the present invention;

[0014] Figure 2 This is a schematic diagram of the connection structure of an all-in-one multimedia teaching and display machine proposed by the present invention;

[0015] Figure 3 This is a schematic diagram of the fastening structure of an all-in-one multimedia teaching and display device proposed in the present invention;

[0016] Figure 4 This is an enlarged view of area A of the multimedia teaching and display all-in-one machine proposed in the present invention;

[0017] Figure 5 The present invention is a schematic diagram of the structure of an articulated seat of an all-in-one multimedia teaching and display machine.

[0018] In the figure: 1. Fixed plate; 2. Rotating handle; 3. Screw; 4. Strip plate; 5. Sliding hook; 6. U-shaped plate; 7. Connecting panel; 8. Extrusion screw; 9. Protective shell; 10. Adjustment strip hole; 11. Adjustment hole; 12. Positioning plug block; 13. Fastening screw; 14. U-shaped block; 15. First support plate; 16. Limiting slide groove; 17. Magnetic ring; 18. Friction fastening block; 19. Articulated block; 20. Articulated ball; 21. Rotating rod; 22. Second support plate; 23. Multimedia all-in-one machine. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-5A multimedia teaching and display all-in-one machine includes a fixed plate 1 and a multimedia all-in-one machine 23. The upper and lower ends of the fixed plate 1 are integrally formed with a strip plate 4, and a U-shaped plate 6 is slidably provided on the strip plate 4. The front end surfaces of the two U-shaped plates 6 are provided with threaded holes, and the threaded holes are threadedly connected with extrusion screws 8. The rear ends of the two extrusion screws 8 respectively abut the two strip plates 4. Sliding claws 5 are respectively welded on both sides of the two U-shaped plates 6, and two strip plates 4 are slidably provided in the claw grooves at the upper and lower ends of the sliding claws 5. A pair of first support plates 15 are welded between the pair of sliding claws 5, and a hinge block 19 is welded between the pair of first support plates 15. The front end surface of the hinge block 19 A spherical groove is provided, and a hinge ball 20 is rotatably provided in the spherical groove. A rotating rod 21 is welded to the front end of the hinge ball 20, and the front end of the rotating rod 21 is fixedly provided with a connecting panel 7 through a positioning support structure, and the front end surface of the connecting panel 7 is fastened to a protective shell 9 by screws. A multimedia all-in-one machine 23 is fixed inside the protective shell 9, and the LCD screen at the front end of the multimedia all-in-one machine 23 cooperates with the opening at the front end of the protective shell 9. Sockets are provided on both sides of the hinge block 19, and friction fastening blocks 18 are slidably provided in the sockets through an extrusion structure. A stack of friction fastening blocks 18 are provided with arc surfaces that cooperate with the hinge ball 20 on their end faces close to each other, and the arc surfaces are coated with a coating that increases friction.

[0021] Reference Figure 1-5 In order to fix the connection panel 7 and the rotating rod 21, the positioning support structure includes a positioning plug 12, a fastening screw 13, and a second support plate 22. A plurality of second support plates 22 in a circumferential array are welded to the outer wall of the upper end of the rotating rod 21, and the top of the second support plate 22 abuts the connection panel 7. A stepped hole is provided on the front end surface of the connection panel 7, and a fastening screw 13 is inserted into the stepped hole. The rear end of the fastening screw 13 is threadedly connected to the rotating rod 21. A plurality of sockets corresponding to the second support plates 22 are provided on the front end surface of the connection panel 7, and the positioning plugs 12 are inserted into the sockets. The rear ends of the plurality of positioning plugs 12 are fixedly connected to the plurality of second support plates 22 respectively.

[0022] Reference Figure 1-5 In order to drive the friction fastening block 18 away from and squeeze it closer to the hinge ball 20, the extrusion structure includes a U-shaped block 14, a screw 3, and a magnetic ring 17. U-shaped blocks 14 are fixed on both sides of the hinge block 19. A threaded hole is opened on the side of the U-shaped block 14, and the screw 3 is threadedly connected to the threaded hole. The inner end of the screw 3 abuts the friction fastening block 18, and the outer wall of the inner end of the friction fastening block 18 is fixed with a magnetic ring 17 for adsorbing the friction fastening block 18.

[0023] Reference Figure 1-5 In order to facilitate the rotation of the screw rod 3, a rotating handle 2 is fixed on the outer end of the screw rod 3.

[0024] Reference Figure 1-4In order to facilitate the upward and downward adjustment of the protective shell 9, the front end surface of the connecting panel 7 is provided with two groups of symmetrically arranged adjustment holes 11 and two groups of symmetrically arranged adjustment strip holes 10 for inserting screws for the front end threaded connection of the protective shell 9, and the two groups of adjustment strip holes 10 and the two groups of adjustment holes 11 are aligned respectively.

[0025] Reference Figure 1-5 In order to prevent the friction fastening block 18 from falling off, a limiting sliding groove 16 is opened on the front and rear inner walls of the U-shaped block 14, and the friction fastening block 18 is slidably set in the limiting sliding groove 16.

[0026] Reference Figure 1-5 In order to increase friction and prevent the U-shaped plate 6 from sliding, the rear end surface of the strip plate 4 is coated with an anti-slip coating.

[0027] Working principle: Rotate the rotating rod 21 to make the LCD screen of the multimedia all-in-one machine 23 face the required position, then tighten the screws 3 from both sides to firmly squeeze the friction fastening block 18 onto the hinge ball 20, and fix the hinge ball 20 and the rotating rod 21 through friction to complete the adjustment.

[0028] The device rotates the rotating rod 21 that can rotate freely up, down, left, and right so that the LCD screen of the multimedia all-in-one machine 23 faces the required position and then tightens the screw 3. The multimedia all-in-one machine 23 can be adjusted by rotating it up, down, left, and right at the same time according to the installation height and horizontal installation position so that the front of its LCD screen faces the group where it needs to be displayed, which improves the display effect and makes adjustment more convenient.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multimedia teaching and display all-in-one machine, comprising a fixing plate (1) and a multimedia all-in-one machine (23), characterized in that: The upper and lower ends of the fixed plate (1) are integrally formed with strip plates (4), and a U-shaped plate (6) is slidably provided on the strip plate (4). The front end surfaces of the two U-shaped plates (6) are provided with threaded holes, and the threaded holes are threadedly connected with extrusion screws (8). The rear ends of the two extrusion screws (8) respectively abut the two strip plates (4). The two sides of the two U-shaped plates (6) are respectively welded with sliding claws (5), and the two strip plates (4) are respectively slidably provided in the claw grooves at the upper and lower ends of the sliding claws (5). A pair of first support plates (15) are welded between the pair of sliding claws (5), and a hinge block (19) is welded between the pair of first support plates (15). The front end surface of the hinge block (19) is provided with a spherical groove, and the spherical groove is provided in the spherical groove. A hinge ball (20) is provided for rotation in the groove, a rotating rod (21) is welded to the front end of the hinge ball (20), and a connecting panel (7) is fixed to the front end of the rotating rod (21) through a positioning support structure, and the front end surface of the connecting panel (7) is fastened to a protective shell (9) through screws, a multimedia all-in-one machine (23) is fixed inside the protective shell (9), and a liquid crystal screen at the front end of the multimedia all-in-one machine (23) is matched with an opening at the front end of the protective shell (9), and jacks are provided on both sides of the hinge block (19), and a friction fastening block (18) is provided in the jack for sliding through an extrusion structure, and a stack of the friction fastening blocks (18) are provided with arc surfaces that match the hinge ball (20) at their end faces close to each other, and the arc surfaces are coated with a coating that increases friction.

2. The multimedia teaching and display all-in-one machine according to claim 1, characterized in that: The positioning support structure comprises a positioning plug (12), a fastening screw (13), and a second support plate (22); a plurality of second support plates (22) in a circumferential array are welded to the outer wall of the upper end of the rotating rod (21); and the top of the second support plate (22) abuts against the connecting panel (7); a stepped hole is provided on the front end surface of the connecting panel (7), and a fastening screw (13) is inserted into the stepped hole; the rear end of the fastening screw (13) is threadedly connected to the rotating rod (21); a plurality of sockets corresponding to the second support plates (22) are provided on the front end surface of the connecting panel (7), and the positioning plugs (12) are inserted into the sockets; and the rear ends of the plurality of positioning plugs (12) are respectively fixedly connected to the plurality of second support plates (22).

3. The multimedia teaching and display all-in-one machine according to claim 1, characterized in that: The extrusion structure comprises a U-shaped block (14), a screw (3), and a magnetic ring (17). The U-shaped blocks (14) are fixed on both sides of the hinge block (19). A threaded hole is provided on the side of the U-shaped block (14), and the screw (3) is threadedly connected to the threaded hole. The inner end of the screw (3) abuts against the friction fastening block (18), and the outer wall of the inner end of the friction fastening block (18) is fixed with a magnetic ring (17) for adsorbing the friction fastening block (18).

4. The multimedia teaching and display all-in-one machine according to claim 3, characterized in that: A rotating handle (2) is fixedly provided at the outer end of the screw rod (3).

5. The multimedia teaching and display all-in-one machine according to claim 1, characterized in that: The front end surface of the connection panel (7) is provided with two groups of symmetrically arranged adjustment holes (11) and two groups of symmetrically arranged adjustment strip holes (10) for inserting screws of the front end threaded connection protective shell (9), and the two groups of adjustment strip holes (10) and the two groups of adjustment holes (11) are aligned respectively.

6. The multimedia teaching and display all-in-one machine according to claim 3, characterized in that: The U-shaped block (14) is provided with a limiting sliding groove (16) on the front and rear inner walls, and a friction fastening block (18) is slidably arranged in the limiting sliding groove (16).

7. The multimedia teaching and display all-in-one machine according to claim 1, characterized in that: The rear end surface of the strip plate (4) is coated with an anti-slip coating.

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