CN211479310U - Electronic flat board and intelligent blackboard - Google Patents

Abstract

The utility model relates to the technical field of display devices, in particular to an electronic flat panel and a smart blackboard, wherein the electronic flat panel includes a display module and a frame assembly, the frame assembly includes a first frame disposed at the upper and lower ends of the display module, and the display module includes The glass cover plate and the back plate have an installation gap on the first frame, the installation gap has a first wall surface and a second wall surface arranged at an included angle, the first wall surface abuts on the front of the glass cover plate, and the second wall surface is connected to the glass cover plate. The edges of the plates are spaced apart, the first frame is connected with a pressing frame, the pressing frame includes a pressing portion pressed against the back side of the glass cover, the pressing portion is provided with a connecting portion, and the connecting portion is connected to the first frame by screws The back side of the back plate is arranged on the side of the pressing frame away from the glass cover, and the back plate is connected with the pressing frame by screws. The glass cover plate of the electronic flat panel of the utility model is easy to assemble, the glass cover plate has a stable structure after being assembled, is not easy to generate abnormal noise, and has low manufacturing cost.

Description

Electronic tablet and smart blackboard

technical field

The utility model relates to the technical field of electronic equipment, in particular to an electronic tablet and a smart blackboard including the electronic tablet.

Background technique

As shown in FIG. 1 , the frame 1 ′ of the existing smart interactive tablet is provided with an insertion slot 11 ′ whose opening faces the center of the glass cover plate 2 ′, and the end of the glass cover plate 2 ′ is inserted into the insertion slot 11 ′ The PCB board 3' is arranged in the frame 1', and the frame 1' is provided with a light-transmitting opening 12' on one side of the insertion slot 11', and the optical sending/receiving device 4' on the PCB board 3' The light-transmitting opening 12' is provided to receive or transmit infrared light parallel to the glass cover plate 2'. The existing intelligent interactive tablet has the following defects: the setting mode of the insertion slot 11' makes the glass cover 2' can only be assembled with the frame 1' in a side-push manner, which is not easy to assemble and has low production efficiency. The insertion slot 11' needs to reserve an assembly gap, so that the glass cover plate 2' can be assembled smoothly. After the glass cover plate 2' is assembled, abnormal knocking noises, machine vibrations and other abnormalities are likely to occur.

Utility model content

One object of the embodiments of the present invention is to provide an electronic flat panel, the glass cover plate of which is easy to assemble, the structure of the glass cover plate is stable after assembly, and it is not easy to generate abnormal noise.

Another object of the embodiments of the present invention is to provide an electronic flat panel with simple structure and low production cost.

Another object of the embodiments of the present invention is to provide a smart blackboard with high assembly efficiency and low manufacturing cost.

For reaching the above-mentioned purpose, the embodiment of the present invention adopts the following technical solutions:

In a first aspect, an electronic tablet is provided, comprising a display module and a frame assembly arranged on the periphery of the display module, the frame assembly including a first frame arranged at the upper and lower ends of the display module, the display module The module includes a glass cover plate and a back plate arranged on the back side of the glass cover plate, the first frame is provided with an installation notch, and the installation notch has a first wall surface and a second wall surface arranged at an included angle, so The first wall surface is parallel to the glass cover plate and abuts on the front surface of the glass cover plate, the second wall surface is spaced from the edge of the glass cover plate, and the first frame is connected with a pressing frame, The pressing frame includes a pressing portion pressed against the back side of the glass cover, the pressing portion is provided with a connecting portion, and the connecting portion is connected to the back side of the first frame by screws, so The back plate is disposed on a side of the pressing frame away from the glass cover, and the back plate is connected to the pressing frame through the screw.

The beneficial effects of the embodiments of the present invention are: by setting the installation gap, the glass cover plate can be assembled in a positive position, that is, the assembly of the display module can be stacked sequentially from front to back, which reduces the assembly difficulty and improves the assembly efficiency. And use the pressing frame to press the glass cover plate, eliminating the need for the structure of independently setting the glass pressure block, reducing the manufacturing cost. In addition, it can meet the zero gap between the glass cover plate and the first frame, and there will be no knocking during use. Abnormal noise and other bad experiences.

As a preferred solution of the electronic tablet, the first frame includes an installation side, the connection portion is fixed on the installation side by the screws, and a shielding convex portion protrudes from the installation side, and the connection portion is One end of the portion away from the pressing portion is adjacent to the shielding convex portion, and the thickness of the connecting portion is not greater than the height of the shielding convex portion protruding from the installation side surface. By arranging the shielding protrusions, the edge of the connecting portion can be shielded, so that the structure of the pressing frame cannot be seen from the front of the electronic tablet, so that the appearance of the electronic tablet is more beautiful, and the pressing frame is not exposed at this time. Appearance treatment such as sandblasting or wire drawing oxidation reduces manufacturing costs.

As a preferred solution of the electronic tablet, a positioning groove is concavely provided on the installation side surface, and a positioning post inserted into the positioning groove is protruded from the side of the connecting portion close to the installation side surface; or,

The positioning column is protruded from the installation side, and the positioning groove is recessed on the side of the connecting portion close to the installation side, or the connecting portion is provided with a hole for the positioning column to be inserted through. Positioning holes. The arrangement structure of the positioning grooves/positioning holes and the positioning posts can provide positioning for the installation of the pressing frame and reduce the installation difficulty of the pressing frame.

As a preferred solution of the electronic tablet, both ends in the length direction of the pressing frame are flush with the two ends in the length direction of the first frame, respectively. The pressing frame can completely block the backside area of the first frame, preventing the light exposure in the display module from affecting the display effect. At the same time, the pressing frame is a whole frame structure with high strength. After connecting with the backplane, it can effectively Prevent deformation of the first frame.

As a preferred solution of the electronic tablet, a side of the pressing portion facing away from the glass cover plate is recessed with a plug slot, and the edge of the back plate is bent toward the pressing portion with a bent edge, so The bent edge is inserted into the insertion slot. The arrangement of the bent edge and the insertion slot can reduce the difficulty of installation and positioning of the backplane, and at the same time, the bent edge can enhance the strength of the entire backplane.

As a preferred solution of the electronic flat panel, a first buffer layer is arranged between the glass cover plate and the first wall surface, and a second buffer layer is arranged between the glass cover plate and the pressing portion. By arranging buffer layers on both the front and rear sides of the glass cover plate, the direct contact of the glass cover plate with the first frame and the pressing frame can be effectively avoided, rigid collisions can be reduced, and damage to the glass cover plate can be effectively avoided.

As a preferred solution of the electronic flat panel, the first buffer layer and/or the second buffer layer is a buffer adhesive layer. Setting the buffer layers on the front and rear sides of the glass cover as buffer adhesive layers can avoid positional displacement of the glass cover after the first frame and the pressing frame are assembled, and further prevent rigid collision between the glass cover and the frame assembly.

As a preferred solution of the electronic flat panel, a third buffer layer is arranged between the edge of the glass cover plate and the second wall surface. By arranging the third buffer layer, the third buffer layer can avoid rigid collision between the edge portion of the glass cover plate and the second wall of the first frame during the assembly process, so as to ensure that the glass cover plate is not damaged, and the third buffer layer can also The gap between the glass cover plate and the second wall surface is filled to prevent the glass cover plate from shifting.

As a preferred solution of the electronic tablet, the frame assembly further includes two second frames respectively located at the left and right ends of the display module, the second frames are arranged on the back side of the glass cover, the first frame The second frame is detachably connected to the first frame. By hiding the second borders on the left and right sides of the display module on the back side of the glass cover, the appearance of the electronic tablet can be more beautiful, and it is also convenient for the splicing of the electronic tablet and the writing board or other electronic tablet, and the splicing screen formed after splicing The appearance is beautiful, the seam is small, and the user experience is good.

In a second aspect, a smart blackboard is provided, including an electronic tablet and a writing pad spliced on at least one side of the left and right sides of the electronic tablet.

The smart blackboard of the embodiment of the present invention has a simple structure and high assembling efficiency of the electronic flat panel, that is, the whole smart blackboard has high assembling efficiency and low manufacturing cost. produce abnormal noise.

Description of drawings

The utility model will be described in further detail below according to the accompanying drawings and embodiments.

FIG. 1 is a schematic cross-sectional view of an existing smart interactive tablet.

FIG. 2 is a schematic structural diagram of an electronic flat panel according to an embodiment of the present invention.

3 is a schematic cross-sectional view of an electronic flat panel according to an embodiment of the present invention.

4 is a schematic cross-sectional view of a first frame of an electronic tablet according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of the assembled first frame of the electronic flat panel and the glass cover according to the embodiment of the present invention.

FIG. 6 is a schematic diagram of the first frame, the glass cover, and the pressing frame after assembly according to an embodiment of the present invention.

In Figure 1:

1', frame; 11', insertion slot; 12', light-transmitting opening; 2', glass cover plate; 3', PCB board; 4', optical sending/receiving device.

In Figures 2 to 6:

1. Display module; 11. Glass cover plate; 12. Back plate; 121. Bending edge; 2. Frame assembly; 21. First frame; ; 212, installation side; 213, blocking convex part; 214, positioning groove; 215, installation cavity; 216, opening; 22, second frame; 23, pressing frame; 231, pressing part; 232, connecting part; 233 234, plug slot; 3, the first buffer layer; 4, the second buffer layer; 5, the third buffer layer; 6, the PCB board;

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a fixed 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, and it can be an internal connection between two elements or an interaction relationship between the two elements. 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.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

2 and 3 , the electronic tablet of the present invention may be an independent display device, or may be a component spliced into a smart blackboard or a spliced screen.

As shown in FIGS. 2 to 6 , the electronic tablet according to the embodiment of the present invention includes a display module 1 and a frame assembly 2 arranged on the periphery of the display module 1. The frame assembly 2 includes a frame assembly 2 arranged on the display module 1. The first frame 21 at the upper and lower ends of the group 1, the display module 1 includes a glass cover plate 11 and a back plate 12 disposed on the back side of the glass cover plate 11, the first frame 21 is provided with a mounting gap 211, The installation notch 211 has a first wall surface 2111 and a second wall surface 2112 arranged at an angle. The first wall surface 2111 is parallel to the cover glass 11 and abuts on the front surface of the cover glass 11 . The second wall surface 2112 is spaced from the edge of the glass cover plate 11 , the first frame 21 is connected with a pressing frame 23 , and the pressing frame 23 includes a pressing frame pressing against the back side of the glass cover 11 . A connecting portion 232 is provided on the pressing portion 231, the connecting portion 232 is connected to the back side of the first frame 21 by screws, and the back plate 12 is disposed on the pressing frame 23 away from the One side of the glass cover plate 11, the back plate 12 is connected to the pressing frame 23 through the screws. By arranging the installation gap 211, the glass cover 11 can be assembled in an upright position, that is, the display module 1 can be assembled in sequence from front to back, which reduces the difficulty of assembling and improves the assembling efficiency. Tightening the glass cover plate 11 eliminates the need for the structure of independently setting glass pressing blocks, which reduces the manufacturing cost. In addition, the glass cover plate 11 and the first frame 21 can be matched with zero clearance, and there will be no abnormal knocking noise during use. Bad experience.

The specific assembly process is as follows: referring to FIGS. 3 to 6 , first install the glass cover plate 11 in the installation notch 211 of the first frame 21 , and then install the pressing frame 23 on the first frame 21 . The pressing portion 231 of the pressing frame 23 is pressed against the back side of the glass cover plate 11 , and finally the back plate 12 and the pressing frame 23 are assembled.

The front side of the glass cover plate 11 mentioned in the present invention refers to the side of the electronic tablet used for displaying pictures, videos and for touch operations, and the back side of the glass cover plate 11 is the glass cover plate 11 close to the back plate. 12 side.

In this embodiment, the first frame 21 has an installation cavity 215 for installing the PCB board 6 , the first frame 21 is provided with an opening 216 communicating with the installation cavity 215 , the opening 216 is located on the front of the glass cover 11 , and the PCB board 6 An optical transmitting/receiving device 7 is provided on the top, and the optical transmitting/receiving device 7 is facing the opening 216 , and a filter plate 8 is detachably arranged at the opening 216 .

Specifically, a first buffer layer 3 is disposed between the glass cover plate 11 and the first wall surface 2111 , and a second buffer layer 4 is disposed between the glass cover plate 11 and the pressing portion 231 . By arranging buffer layers on both the front and rear sides of the glass cover 11 , it can effectively prevent the glass cover 11 from directly contacting the first frame 21 and the pressing frame 23 , reducing rigid collisions and effectively preventing damage to the glass cover 11 .

In this embodiment, the first buffer layer 3 is a buffer adhesive layer. By setting the first buffer layer 3 as a buffer adhesive layer, the position of the glass cover 11 and the first frame 21 can be fixed after the assembly, and the positional deviation of the glass cover 11 after the assembly of the first frame 21 and the pressing frame 23 can be avoided. to further prevent rigid collision between the glass cover 11 and the frame assembly 2 . Of course, it is not limited to set the first buffer layer 3 as a buffer adhesive layer, and the second buffer layer 4 can also be set as a buffer adhesive layer, or both the first buffer layer 3 and the second buffer layer 4 can be set as a buffer adhesive layer. glue layer.

In addition, a third buffer layer 5 is disposed between the edge of the glass cover plate 11 and the second wall surface 2112 . By providing the third buffer layer 5, the third buffer layer 5 can prevent the edge portion of the glass cover plate 11 from rigidly colliding with the second wall surface 2112 of the first frame 21 during the assembly process, so as to ensure that the glass cover plate 11 is not damaged, and The third buffer layer 5 can also fill the gap between the glass cover plate 11 and the second wall surface 2112 to prevent the glass cover plate 11 from being displaced. In this embodiment, the third buffer layer 5 is fixed on the second wall surface 2112 by means of gluing.

In one embodiment, the first frame 21 includes an installation side surface 212 , the connecting portion 232 is fixed on the installation side surface 212 by the screws, and the installation side surface 212 is protruded with a blocking protrusion 213 . One end of the connecting portion 232 away from the pressing portion 231 is adjacent to the shielding convex portion 213 , and the thickness of the connecting portion 232 is not greater than the height of the shielding convex portion 213 protruding from the mounting side surface 212 . By arranging the shielding protrusions 213, the edge of the connecting portion 232 can be shielded, so that the electronic tablet cannot see the structure of the pressing frame 23 from the front appearance, so that the appearance of the electronic tablet is more beautiful, and at this time the pressing frame 23 It is not exposed, and there is no need for appearance treatment such as sandblasting or wire drawing oxidation, which reduces the manufacturing cost.

In this embodiment, a positioning groove 214 is recessed on the mounting side surface 212 , and a positioning post 233 inserted into the positioning groove 214 is protruded from the side of the connecting portion 232 close to the mounting side surface 212 . The arrangement structure of the positioning grooves 214 and the positioning posts 233 can provide positioning for the installation of the pressing frame 23 and reduce the installation difficulty of the pressing frame 23 . In other embodiments, the positions of the positioning groove 214 and the positioning post 233 can also be interchanged. For example, the mounting side 212 is protruded with a positioning post 233 , and the connecting portion 232 is close to a portion of the mounting side 212 . The side recess is provided with a positioning groove 214 . Of course, the positioning groove 214 is not limited to be provided for the positioning post 233 to be inserted, and the positioning groove 214 can also be replaced with a positioning hole, which can also play a positioning role.

Further, both ends of the lengthwise direction of the pressing frame 23 are flush with the two ends of the lengthwise direction of the first frame 21 respectively. The pressing frame 23 can completely block the backside area of the first frame 21 to avoid the exposure of the light in the display module 1 to affect the display effect. At the same time, the pressing frame 23 is a whole frame structure with high strength, which is in contact with the back plate 12 . After the connection, the deformation of the first frame 21 can be effectively prevented.

The side of the pressing portion 231 away from the glass cover plate 11 is recessed with an insertion slot 234 . The edge of the back plate 12 is bent toward the pressing portion 231 with a bending edge 121 . The edge 121 is inserted into the insertion slot 234 . The arrangement of the bent edge 121 and the insertion slot 234 can reduce the difficulty of installation and positioning of the backplane 12 , and at the same time, the bent edge 121 can enhance the strength of the entire backplane 12 .

In one embodiment, as shown in FIG. 2 (refer to FIG. 3 for some reference numerals), the frame assembly 2 further includes two second frames 22 located at the left and right ends of the display module 1 respectively. The frame 22 is disposed on the back side of the glass cover 11 , and the second frame 22 is detachably connected to the first frame 21 . By hiding the second frames 22 on the left and right sides of the display module 1 on the back side of the glass cover 11, the appearance of the electronic tablet can be more beautiful, and it is also convenient for the electronic tablet to be spliced with a writing board or other electronic tablet. The appearance of the splicing screen is beautiful, the seam is small, and the user experience is good.

The embodiment of the present invention also provides a smart blackboard, which includes an electronic flat panel and a writing board spliced on at least one side of the left and right sides of the electronic flat panel, and the electronic flat panel is the electronic flat panel described in any of the above embodiments. The smart blackboard of the embodiment of the present invention has a simple structure and high assembling efficiency of the electronic flat panel, that is, the whole smart blackboard has high assembling efficiency and low manufacturing cost. produce abnormal noise.

The smart blackboard may include an electronic tablet, and a writing board is provided on both sides of the electronic tablet. In other embodiments, only one electronic tablet and one writing tablet may be provided.

The electronic tablet can be operated by the operator for touch writing, picture and video display, etc. The writing tablet can be a blackboard or a whiteboard, or any flat body that can be written to present the written content.

In the description herein, it should be understood that the azimuth or positional relationship such as the term "upper" is based on the azimuth or positional relationship shown in the accompanying drawings, which is only for the convenience of description and simplification of operations, rather than indicating or implying the referred device. Or the elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of this specification, description with reference to the terms "an embodiment" or the like means that a particular feature, structure, material or characteristic in combination with the embodiment is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will all fall within the protection scope of the present invention.

Claims (10)

1. An electronic flat panel comprising a display module and a frame assembly arranged on the periphery of the display module, the frame assembly comprising a first frame arranged at the upper and lower ends of the display module, the display module comprising The glass cover plate and the back plate arranged on the back side of the glass cover plate are characterized in that the first frame is provided with an installation notch, and the installation notch has a first wall surface and a second wall surface arranged at an included angle, The first wall surface is parallel to the glass cover plate and abuts on the front surface of the glass cover plate, the second wall surface is spaced from the edge of the glass cover plate, and a pressing frame is connected to the first frame , the pressing frame includes a pressing portion pressed against the back side of the glass cover plate, the pressing portion is provided with a connecting portion, and the connecting portion is connected to the back side of the first frame by screws, The back plate is disposed on a side of the pressing frame away from the glass cover plate, and the back plate is connected to the pressing frame through the screw. 2 . The electronic tablet according to claim 1 , wherein the first frame includes an installation side, the connecting portion is fixed on the installation side by the screw, and the installation side is protruded with a The shielding convex portion, one end of the connecting portion away from the pressing portion is adjacent to the shielding convex portion, and the thickness of the connecting portion is not greater than the height of the shielding convex portion protruding from the installation side surface. 3 . The electronic tablet according to claim 2 , wherein a positioning groove is concavely provided on the mounting side surface, and a side of the connecting portion close to the mounting side surface is protrudingly provided with a positioning groove that is inserted into the positioning groove. 4 . the positioning post; or, The positioning column is protruded from the installation side, and the positioning groove is recessed on the side of the connecting portion close to the installation side, or the connecting portion is provided with a hole for the positioning column to be inserted through. Positioning holes. 4 . The electronic tablet according to claim 1 , wherein both ends of the pressing frame in the length direction are respectively flush with the two ends in the length direction of the first frame. 5 . 5 . The electronic tablet according to claim 1 , wherein a side of the pressing portion facing away from the glass cover plate is recessed with an insertion slot, and an edge of the back plate is bent toward the pressing portion. 6 . A folded edge is folded, and the folded edge is inserted into the insertion slot. 6 . The electronic tablet according to claim 1 , wherein a first buffer layer is disposed between the glass cover plate and the first wall surface, and the glass cover plate is connected to the contact surface. 7 . A second buffer layer is arranged between the pressing parts. 7 . The electronic tablet according to claim 6 , wherein the first buffer layer and/or the second buffer layer is a buffer adhesive layer. 8 . 8 . The electronic tablet according to claim 1 , wherein a third buffer layer is disposed between the edge of the glass cover plate and the second wall surface. 9 . 9. The electronic tablet according to any one of claims 1 to 5, wherein the frame assembly further comprises two second frames respectively located at the left and right ends of the display module, and the second frames are disposed on On the back side of the glass cover, the second frame is detachably connected to the first frame. 10 . A smart blackboard, comprising an electronic tablet and a writing pad spliced on at least one side of the left and right sides of the electronic tablet, wherein the electronic tablet is the electronic tablet according to any one of claims 1 to 9 .

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