Digital display device capable of being used for classroom teaching

Abstract

The utility model discloses a digital display device for classroom teaching, which relates to the technical field of digital teaching and comprises a box body, a lifting column and a supporting plate which are arranged from bottom to top, the supporting plate is square, a plurality of display plates are vertically arranged on the periphery of the upper end face of the supporting plate, the supporting plate is provided with threading grooves corresponding to the display plates, and the threading grooves are communicated with the lifting column. Fixed cross rods are arranged at the upper parts of the threading grooves; a plurality of threading grooves and a plurality of fixed cross rods are arranged; a fixing frame is arranged below the supporting plate, a wire harness groove is formed below the fixing frame, a wire drag chain is connected below the wire harness groove, and the lower end of the wire drag chain is connected with the box body. According to the utility model, through the threading groove and the fixed cross rod arranged on the support plate, and the fixed frame and the wire harness groove arranged at the lower end of the support plate, the wire drag chain can be bound and fixed orderly, thereby avoiding messy equipment wires, facilitating heat dissipation and arrangement, and effectively reducing accidents such as fire disasters and the like caused by messy placement of the wires.

Description

Technical Field

[0001] The utility model relates to the technical field of digital teaching, in particular to a digital display device that can be used for classroom teaching. Background Art

[0002] Digital teaching is the teaching conducted by using multimedia classrooms, computers and other modern multimedia carriers. A digital space is built on the basis of the traditional campus to expand the time and space dimensions of the real campus and improve the teaching level of traditional teaching.

[0003] Display devices are often used in the teaching process to show teaching information to students. Digital teaching display devices on the market generally cannot show students relevant information in an all-round way, nor can they be adjusted.

[0004] In response to the above problems, application number: 2020224036491 discloses a digital teaching technology teaching device, including a box body, a sleeve connected to the bottom of the box body, a horizontal plate connected to the inside of the sleeve, a column movably connected to the top of the horizontal plate, a baffle fixedly connected to the top of the column, a first display screen and a second display screen detachably connected on both sides of the baffle, and the first display screen and the second display screen can rotate at multiple angles and in all directions, which has a better display effect on teaching.

[0005] However, the above solution cannot adjust the display screen. At the same time, multimedia devices generally require more equipment cables for connection. Existing digital display devices cannot organize the equipment cables, which not only affects the use of the equipment, but also causes overheating of the wires and causes fires.

[0006] Therefore, in response to the technical problems described above, there is an urgent need for a digital display device with diverse functions that can be used for classroom teaching. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the defects of the above-mentioned technology and provide a digital display device that can be used for classroom teaching. The purpose is to set a wire threading groove and a fixed cross bar on the support plate to separate and tie the wires and cables and use the wire harness groove and wire drag chain to achieve the technical effect of connecting with the battery and control system in the lower box. At the same time, the height is adjusted by the lifting column, which objectively solves the technical problem that too many equipment wires in the existing digital teaching display device can easily cause fire.

[0008] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a digital display device that can be used for classroom teaching, comprising a box body, a lifting column, and a support plate arranged from bottom to top, the support plate is square, and a plurality of display boards are vertically arranged around its upper end surface, the support plate is provided with a threading groove corresponding to the display board, a fixed cross bar is arranged on the upper part of the threading groove, and the threading groove and the fixed cross bar are both multiple;

[0009] A fixing frame is provided below the support plate, a wire harness slot is provided below the fixing frame, a wire drag chain is connected below the wire harness slot, and a lower end of the wire drag chain is connected to the box body;

[0010] The box body is provided with a battery and a control system, and pulleys are provided at the four corners of the bottom end.

[0011] Furthermore, the length direction of the wire threading groove is arranged parallel to the axial direction of the fixed cross bar, and the fixed cross bar is arranged on one side above the wire threading groove close to the display board. The display board is a display screen, and a connection socket is arranged on the rear side thereof.

[0012] Furthermore, the fixing frame is in a rectangular shape and is fixedly connected to the support plate. The wiring harness groove is a hollow body with a square upper end and a rectangular lower end. Its upper end is fixedly connected to the fixing frame. A V-shaped fixing rod is provided in the wiring harness groove.

[0013] Furthermore, evenly arranged electric wires are placed in the electric wire drag chain.

[0014] Furthermore, the lifting columns are symmetrically arranged in four numbers and are arranged on the outer rings of the wiring harness slot and the wire drag chain. The lifting columns are arranged vertically, with the upper ends thereof fixedly connected to the support plate and the lower ends thereof fixedly connected to the box body.

[0015] The advantages of the utility model compared with the prior art are: the utility model greatly expands the display space by setting the display board around the upper surface of the support board; the threading groove, fixed cross bar and the fixing frame, wire harness groove and wire drag chain set on the support board can be tied and fixed in an orderly manner to avoid the mess of equipment wires, facilitate heat dissipation and arrangement, and effectively reduce the accidents such as fire caused by the random placement of wires. The utility model has a simple and reasonable structural design, convenient operation, and convenient and quick use. The height of the display board can be quickly adjusted through the lifting column, which is convenient for display and viewing and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of a digital display device which can be used for classroom teaching.

[0017] Figure 2 The utility model is a cross-sectional view of a digital display device which can be used for classroom teaching.

[0018] Figure 3 This is a schematic diagram of the structure of a support plate in a digital display device that can be used for classroom teaching. Figure 1 .

[0019] Figure 4This is a schematic diagram of the structure of a support plate in a digital display device that can be used for classroom teaching. Figure 2 .

[0020] As shown in the figure: 1. Box body, 101. Pulley, 102. Window, 2. Lifting column, 3. Support plate, 301. Wire threading groove, 302. Fixed cross bar, 4. Display board, 5. Fixed frame, 6. Wire harness groove, 601. Fixed rod, 7. Wire drag chain. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of the embodiments of the present invention, "multiple" means at least 2.

[0025] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] Combined with Figures 1 to 4 A digital display device that can be used for classroom teaching includes a box body 1, a lifting column 2, and a support plate 3 arranged from bottom to top. The support plate 3 is square, and a plurality of display boards 4 are vertically arranged around its upper end surface. A threading groove 301 corresponding to the display board 4 is arranged on the support plate 3, and a fixed cross bar 302 is arranged on the upper part of the threading groove 301. There are four threading grooves 301 and four fixed cross bars 302.

[0028] The length direction of the threading groove 301 is parallel to the axial direction of the fixed cross bar 302. The fixed cross bar 302 is arranged above the threading groove 301 and close to the display board 4. The display board 4 is a display screen, and a connection socket is arranged at the rear side. Each display screen corresponds to a threading groove, and each threading groove corresponds to a fixed cross bar. The wires connected to each display screen pass through the threading groove to the bottom of the support plate, and the wires are evenly and orderly fixed to the fixed cross bar with a cable tie.

[0029] A fixing frame 5 is arranged below the support plate 3, a wiring harness groove 6 is arranged below the fixing frame 5, a wire drag chain 7 is connected below the wiring harness groove 6, and the lower end of the wire drag chain 7 is connected to the box body 1; the fixing frame 5 is in the shape of a rectangular parallelepiped, and is fixedly connected to the support plate 3, the wiring harness groove 6 is a hollow body with a square upper end and a rectangular lower end, and its upper end is fixedly connected to the fixing frame 5, and a fixing rod 601 arranged in a V shape is arranged in the wiring harness groove 6.

[0030] In specific implementation, the wires pass through the wire trough and then enter the box through the wire harness trough wire drag chain. After passing through the wire trough, the wires are tied to the fixing frame in an orderly manner with a cable tie. The fixing rods provided in the wire harness trough are used to tie and fix the wires in an orderly manner. The wires are arranged in an orderly manner throughout the whole process, and there are intervals between them, which effectively prevents various problems caused by the random placement of wires. The wire drag chain 7 is filled with evenly arranged wires.

[0031] The box body 1 is provided with a battery and a control system, and pulleys 101 are provided at the four corners of the bottom.

[0032] In a preferred implementation manner of this embodiment, the lifting columns 2 are symmetrically arranged in four numbers, which are arranged on the outer rings of the wiring harness groove 6 and the wire drag chain 7. The lifting columns 2 are vertically arranged, with their upper ends fixedly connected to the support plate 3 and their lower ends fixedly connected to the box body 1.

[0033] During specific implementation, the lifting column can be configured as a straight rod motor, or a lifting cylinder, etc.

[0034] In a preferred implementation manner of this embodiment, the box body 1 is provided with windows 102 with dustproof and breathable nets around it, and there are four windows 102. The pulley 101 is a universal wheel, and a handle is provided on one side of the box body 1.

[0035] In specific implementation, the box is equipped with a battery and a control system, and heat can be effectively dissipated through the window. The dust-proof and breathable net arranged on the window can prevent dust from entering the box. The push handle arranged on one side of the box is convenient for pushing the entire device to move, and it is convenient to use.

[0036] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A digital display device that can be used for classroom teaching, characterized in that: It includes a box body, a lifting column, and a support plate arranged from bottom to top. The support plate is square, and multiple display boards are vertically arranged around its upper end surface. The support plate is provided with a threading groove corresponding to the display board, and a fixed cross bar is arranged on the upper part of the threading groove. There are multiple threading grooves and fixed cross bars. A fixing frame is provided below the support plate, a wire harness slot is provided below the fixing frame, a wire drag chain is connected below the wire harness slot, and a lower end of the wire drag chain is connected to the box body; The box body is provided with a battery and a control system, and pulleys are provided at the four corners of the bottom end.

2. A digital display device for classroom teaching according to claim 1, characterized in that: The length direction of the threading groove is arranged parallel to the axial direction of the fixed cross bar. The fixed cross bar is arranged above the threading groove and close to a side of a display board. The display board is a display screen, and a connection socket is arranged at the rear side thereof.

3. A digital display device for classroom teaching according to claim 2, characterized in that: The fixing frame is in a rectangular shape and is fixedly connected to the support plate. The harness groove is a hollow body with a square upper end and a rectangular lower end. Its upper end is fixedly connected to the fixing frame. Fixing rods arranged in a V shape are arranged in the harness groove.

4. A digital display device for classroom teaching according to claim 3, characterized in that: Evenly arranged electric wires are placed in the electric wire drag chain.

5. A digital display device for classroom teaching according to claim 4, characterized in that: The lifting columns are symmetrically arranged in four numbers and are arranged on the outer rings of the wire harness slot and the wire drag chain. The lifting columns are arranged vertically, with the upper ends thereof fixedly connected to the support plate and the lower ends thereof fixedly connected to the box body.

6. A digital display device for classroom teaching according to claim 5, characterized in that: The box body is provided with four windows with dust-proof and breathable nets around its periphery.

7. A digital display device for classroom teaching according to claim 6, characterized in that: The pulley is a universal wheel, and a push handle is arranged on one side of the box body.

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