Spliced blackboard all-in-one machine

Abstract

The utility model relates to educational information equipment technical field, concretely relates to a spliced blackboard integrated machine. The utility model provides a spliced blackboard integrated machine, including a plurality of splicing display unit, connecting assembly and support frame, the connecting assembly includes with the fixed plate of display unit back surface fixed connection and with the locating plate of support frame sliding connection, and fixed plate and locating plate are connected through annular rotary seat rotationally, the support frame includes the guide rail groove of upper and lower two sides symmetry and the wire groove of middle setting, the back surface of locating plate is equipped with the sliding assembly cooperation of guide rail groove, the lower portion of locating plate is equipped with the threading port communication with wire groove place. This blackboard integrated machine can splice according to classroom space or teaching demand, and then adjust the size of blackboard, adapt to different teaching scene, and adopt modularization design, and the handling and installation are convenient, reduce the construction difficulty, and adopt independent display unit design, and only need to replace the damaged part when maintaining.

Description

Technical Field

[0001] This utility model relates to the field of educational information technology equipment, specifically to a modular blackboard all-in-one machine. Background Technology

[0002] An all-in-one blackboard printer is a teaching device that integrates the functions of a traditional blackboard and an electronic display, and is widely used in modern classrooms. It combines the digital display capabilities of an electronic screen with the writing function of a traditional blackboard, enabling multimedia teaching, electronic handwriting, remote interaction, and other functions, thereby improving teaching efficiency and enriching teaching methods.

[0003] Existing all-in-one blackboard printers typically adopt a one-piece design with fixed dimensions, making it impossible to flexibly adjust the size according to classroom space or teaching needs. Furthermore, the one-piece structure is inconvenient to transport and install, and requires a large installation space. In addition, if a certain area is damaged, the entire printer may need to be replaced, which is costly. Utility Model Content

[0004] The purpose of this utility model is to provide a modular blackboard all-in-one machine to solve the problems of fixed size, complicated installation, and difficult maintenance of existing blackboard all-in-one machines.

[0005] The technical solution provided by this utility model is a modular blackboard all-in-one machine, including multiple modular display units, connecting components, and a support frame; the connecting components include a fixed plate fixedly connected to the back of the display unit and a positioning plate slidably connected to the support frame, and the fixed plate and the positioning plate are rotatably connected by an annular rotating seat; the support frame includes guide rail grooves symmetrically arranged on the upper and lower sides and a wire groove arranged in the middle, the back of the positioning plate is provided with a sliding component that cooperates with the guide rail groove, and the bottom of the positioning plate is provided with a wire through hole communicating with the wire groove.

[0006] As a preferred technical solution of this utility model, the display unit is an independently packaged structure, including a front frosted glass writing surface, a middle electronic ink screen and a rear LED backlight module, and the three are fixed by frame buckles.

[0007] As a preferred embodiment of this utility model, the LED backlight module is provided with a mounting platform connected to the fixing plate at the rear, and the bottom of the mounting platform is provided with multiple wiring plugs.

[0008] As a preferred embodiment of this utility model, the display unit is provided with positioning grooves on both sides of its edge, and positioning blocks are embedded between the positioning grooves of adjacent display units. The positioning blocks are fixedly connected to the display units on both sides by bolts.

[0009] As a preferred embodiment of this utility model, the annular rotating seat is an angle compensator with a rotation angle of 0 degrees to ±5 degrees.

[0010] As a preferred technical solution of this utility model, the bottom of the guide rail groove is provided with a plurality of slots for defining the installation position, and the inner side of the positioning plate is provided with corresponding spring buckles at the slots.

[0011] As a preferred embodiment of the present invention, the sliding assembly includes a T-shaped extension block inserted into the guide rail groove on the inner side of the positioning plate and a guide wheel located at the bottom of the extension block that abuts against the guide rail groove, wherein the guide wheel is located on the side of the bottom of the extension block away from the positioning plate.

[0012] The advantages of this utility model compared with the prior art are as follows:

[0013] 1. This all-in-one blackboard machine can be assembled according to classroom space or teaching needs to adjust the size of the blackboard and adapt to different teaching scenarios. It also adopts a modular design, which makes it easy to move and install, reducing the difficulty of construction.

[0014] 2. This blackboard all-in-one machine adopts an independent display unit design. During maintenance, only the damaged part needs to be replaced. In addition, the wire channel and cable outlet of the support frame optimize wiring and heat dissipation. Attached Figure Description

[0015] Figure 1 This is a front structural view of a modular blackboard all-in-one machine according to the present invention.

[0016] Figure 2 This is a structural diagram of the back of a modular blackboard all-in-one machine according to this utility model.

[0017] Figure 3 This is a structural diagram of the back of a single display unit of a modular blackboard all-in-one machine according to this utility model.

[0018] Figure 4 This is a three-dimensional cross-sectional view of the display unit of a modular blackboard all-in-one machine according to this utility model.

[0019] Figure 5 This is a structural diagram of the spring clip of a modular blackboard all-in-one machine according to this utility model.

[0020] Figure 6 This is a structural diagram of the positioning block of a splicing blackboard all-in-one machine according to the present invention.

[0021] As shown in the figure:

[0022] 1. Display unit; 2. Connecting components; 3. Support frame; 4. Fixing plate; 5. Positioning plate; 6. Annular rotating seat; 7. Guide rail groove; 8. Wire groove; 9. Sliding component; 10. Wire threading port; 11. Frosted glass writing surface; 12. E-ink screen; 13. LED backlight module; 14. Mounting platform; 15. Wiring plug; 16. Positioning groove; 17. Positioning block; 18. Bolt; 19. Slot; 20. Spring clip; 21. T-shaped extension block; 22. Guide wheel. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, 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; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example 1:

[0026] As per the instruction manual Figure 1-3 As shown, a modular blackboard all-in-one machine includes multiple modular display units 1, connecting components 2, and a support frame 3.

[0027] In this utility model, the connecting component 2 includes a fixing plate 4 fixedly connected to the back of the display unit 1 and a positioning plate 5 slidably connected to the support frame 3. The fixing plate 4 and the positioning plate 5 are rotatably connected by an annular rotating seat 6, which is an angle compensator that can adjust the horizontal angle from 0 degrees to ±5 degrees during installation.

[0028] In this utility model, the support frame 3 includes guide rail grooves 7 symmetrically arranged on the upper and lower sides and a wire groove 8 arranged in the middle.

[0029] As per the instruction manual Figure 4As shown, the display unit 1 is an independently packaged structure, including a front frosted glass writing surface 11, a middle e-ink screen 12, and a rear LED backlight module 13, and the three are fixed by frame clips. The front frosted glass writing surface 11 has a thickness of 2-3mm and a surface roughness Ra of 0.4-0.6μm. The middle e-ink screen 12 has a resolution of 300-400ppi, and the rear LED backlight module 13 has an adjustable color temperature range of 3000K-6500K.

[0030] In this utility model, an installation platform 14 connected to a fixing plate 4 is provided at the rear of the LED backlight module 13. The installation platform 14 and the fixing plate 4 are fixedly connected by quick-release screws. The bottom of the installation platform 14 is provided with multiple wiring plugs 15, including a power plug, a signal plug with an HDMI micro interface, and a data plug with a Type-C interface.

[0031] The back of the positioning plate 5 is provided with a sliding component 9 that cooperates with the guide rail groove 7. The sliding component 9 includes a T-shaped extension block 21 inserted into the guide rail groove 7 on the inner side of the positioning plate 5 and a guide wheel 22 located at the bottom of the extension block that abuts against the guide rail groove 7. The guide wheel 22 is located on the side of the bottom of the extension block away from the positioning plate 5. The guide wheel 22 is formed by a polyurethane-coated bearing. The bottom of the positioning plate 5 is provided with a wire pass-through port 10 that communicates with the wire groove 8 so that the wire in the wire groove 8 can be passed through the inner side of the positioning plate 5, which facilitates the management of the cable.

[0032] As per the instruction manual Figure 5 As shown, the bottom of the bottom guide rail groove 7 is provided with multiple slots 19 for defining the installation position, and the inner side of the positioning plate 5 is provided with corresponding spring buckles 20 at the slots 19. The spring buckles 20 move down by pulling down, and then directly separate from the multiple slots 19, which is convenient and quick.

[0033] As per the instruction manual Figure 6 As shown, positioning grooves 16 are provided on both sides of the display unit 1, and positioning blocks 17 are embedded between the positioning grooves 16 of adjacent display units 1. The positioning blocks 17 are fixedly connected to the display units 1 on both sides by bolts 18.

[0034] In a specific implementation of this utility model, the display unit 1 cooperates with the guide rail groove 7 of the support frame 3 through the positioning plate 5 of the connecting component 2, and the position is adjusted by the sliding component 9. The spring buckle 20 is locked into the slot 19 for fixation. Then, the positioning groove 16 of the display unit 1 is aligned with the positioning block 17 of the adjacent unit and fixed with bolts 18 to ensure tight splicing. The wires are connected to each display unit 1 through the wire groove 8 and the wire through hole 10 to optimize the wiring. The support frame 3 provides heat dissipation space to prevent the equipment from overheating.

[0035] The present invention and its embodiments have been described above. This description is not restrictive, and the specific embodiments shown are only one of the embodiments of the present invention. The actual structure is not limited to this. In short, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit of the present invention, such design should fall within the protection scope of the present invention.

Claims

1. A modular blackboard all-in-one machine, characterized in that: It includes multiple connectable display units (1), connecting components (2) and a support frame (3); The connecting assembly (2) includes a fixing plate (4) fixedly connected to the back of the display unit (1) and a positioning plate (5) slidably connected to the support frame (3), and the fixing plate (4) and the positioning plate (5) are rotatably connected by an annular rotating seat (6); The support frame (3) includes guide rail grooves (7) symmetrically arranged on the upper and lower sides and wire groove (8) arranged in the middle. The back of the positioning plate (5) is provided with a sliding component (9) that cooperates with the guide rail groove (7). The bottom of the positioning plate (5) is provided with a wire through hole (10) that communicates with the wire groove (8).

2. The modular blackboard all-in-one machine according to claim 1, characterized in that: The display unit (1) is an independent packaged structure, including a front frosted glass writing surface (11), a middle electronic ink screen (12) and a rear LED backlight module (13), and the three are fixed by frame buckles.

3. The modular blackboard all-in-one machine according to claim 2, characterized in that: The LED backlight module (13) is provided with a mounting platform (14) connected to the fixing plate (4) at the rear, and the bottom of the mounting platform (14) is provided with multiple wiring plugs (15).

4. The modular blackboard all-in-one machine according to claim 1, characterized in that: The display unit (1) has positioning grooves (16) on both sides of its edge. Positioning blocks (17) are embedded between the positioning grooves (16) of adjacent display units (1). The positioning blocks (17) are fixedly connected to the display units (1) on both sides by bolts (18).

5. The modular blackboard all-in-one machine according to claim 1, characterized in that: The annular rotating seat (6) is an angle compensator, and its rotation angle is 0 degrees to ±5 degrees.

6. The modular blackboard all-in-one machine according to claim 1, characterized in that: The bottom of the guide rail groove (7) is provided with multiple slots (19) for defining the installation position, and the inner side of the positioning plate (5) is provided with corresponding spring buckles (20) at the slots (19).

7. The modular blackboard all-in-one machine according to claim 1, characterized in that: The sliding assembly (9) includes a T-shaped extension block (21) inserted into the guide rail groove (7) inside the positioning plate (5) and a guide wheel (22) located at the bottom of the extension block and abutting against the guide rail groove (7), wherein the guide wheel (22) is located on the side of the bottom of the extension block away from the positioning plate (5).

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