CN220517862U

CN220517862U - Auxiliary screen assembly and intelligent blackboard

Info

Publication number: CN220517862U
Application number: CN202322002661.5U
Authority: CN
Inventors: 谭景焕; 夏运辉; 廖金海
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-23
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to the technical field of electronic equipment, in particular to an auxiliary screen assembly and an intelligent blackboard, wherein the auxiliary screen assembly comprises: the auxiliary screen body is provided with a writing surface and a mounting surface which are opposite; the frame body is provided with a connecting plate, and the connecting plate is arranged at the top of the auxiliary screen body; the connecting bracket is provided with a first plate body and a second plate body which are connected, the first plate body is detachably connected between the connecting plate and the auxiliary screen body, and the second plate body is detachably connected to the mounting surface, so that the frame body and the auxiliary screen body are fixed. The auxiliary screen assembly of this application comes to connect auxiliary screen body and frame body respectively through the linking bridge, compare among the prior art only install fixedly and need set up the aluminium extrusion frame of a large amount of fastening screw on the installation face, can reduce and additionally set up connecting portion on the frame body, because the second plate body has been connected fixedly with the installation face, only need fix the connecting plate on first plate body can, both improve installation effectiveness, also reduce the installation degree of difficulty that the frame body was installed on the auxiliary screen body.

Description

Auxiliary screen assembly and intelligent blackboard

Technical Field

The application relates to the technical field of electronic equipment, in particular to an auxiliary screen assembly and an intelligent blackboard.

Background

In some application scenarios, the blackboard is still used as a main medium for teaching content presentation or conference communication. With the development of information technology, in addition to the demand for displaying written contents, the demand for displaying contents of electronic information is increasing. At present, a writing screen is usually used as a main screen for simultaneously displaying writing content and electronic content, and a secondary screen capable of writing can be arranged on the side of the main screen to be used as a supplementary display of the writing content. In order to provide protection for the auxiliary screen, an aluminum extrusion frame is generally additionally arranged at the edge of the auxiliary screen in the prior art, and the aluminum extrusion frame and the auxiliary screen are fixed through screws. The aluminum extrusion frame is provided with a mounting groove, the top of the auxiliary screen is sleeved with the mounting groove, two abutting plates of the mounting groove are respectively abutted against the writing surface and the mounting surface of the auxiliary screen, and the abutting plates and the mounting surface are fixedly connected by arranging fastening screws on the abutting plates abutted against the mounting surface, so that the aluminum extrusion frame is mounted on the auxiliary screen.

However, in order to avoid the problem that the writing surface is broken due to the open hole, the fastening screw corresponding to the mounting groove is generally formed on the mounting surface of the auxiliary screen only, so that the mounting procedure of the aluminum extrusion molding frame in the auxiliary screen on the mounting surface is more, and the mounting difficulty is also improved.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a vice screen subassembly and intelligent blackboard, it can solve the high problem of the installation degree of difficulty of vice screen among the prior art.

In order to achieve the above purpose, the present application adopts the following technical scheme:

in a first aspect, there is provided a secondary screen assembly comprising:

the auxiliary screen body is provided with a writing surface and a mounting surface which are opposite;

the frame body is provided with a connecting plate, and the connecting plate is arranged at the top of the auxiliary screen body;

the connecting bracket is provided with a first plate body and a second plate body which are connected, the first plate body is detachably connected between the connecting plate and the auxiliary screen body, and the second plate body is detachably connected to the mounting surface so that the frame body and the auxiliary screen body are fixed.

As a preferable scheme of the auxiliary screen assembly, the frame body is provided with a groove body, the end part of the groove body is provided with a sealing plate, and the sealing plate seals the notch between the groove body and the auxiliary screen body.

As a preferable scheme of the auxiliary screen assembly, the frame body is provided with a bottom plate, a groove plate and a connecting plate, the groove plates are respectively arranged on two sides of the bottom plate, the groove plate and the connecting plate form the groove body, the bottom plate faces the writing surface, and the groove plate is abutted to the writing surface.

As a preferred embodiment of the secondary screen assembly, further comprising:

the first plate body is located between the edge banding strip and the connecting plate.

As a preferred scheme of vice screen subassembly, vice screen body is including clipboard, core and the backplate that sets gradually, the border orientation of clipboard the direction extension of backplate is provided with first hem, the banding strip is equipped with first recess along one side of length direction concave, first recess holds first hem.

As a preferable scheme of the auxiliary screen component, a limiting edge is convexly arranged on the wall of the first groove.

As a preferable scheme of the auxiliary screen assembly, a second folded edge is arranged on the edge of the back plate in the direction towards the writing board in an extending mode, a second groove is formed in the other side of the edge sealing strip in the length direction in a protruding mode, and the second groove accommodates the second folded edge.

As a preferable scheme of the auxiliary screen assembly, an abutting portion is arranged on one side, away from the first groove, of the edge sealing strip in a protruding mode, and the abutting portion is used for abutting against the edge of the backboard.

As a preferable scheme of the auxiliary screen assembly, the edge sealing strip is concavely provided with a limiting groove, and the limiting groove accommodates the first plate body.

As a preferable scheme of the auxiliary screen assembly, the connecting plate is provided with a through hole, the first plate body is provided with a first mounting hole, the auxiliary screen body is provided with a first connecting hole, and the through hole, the first mounting hole and the first connecting hole are correspondingly connected and used for penetrating into a first connecting piece; the second plate body is provided with a second mounting hole, the mounting surface is provided with a second connecting hole, and the second mounting hole and the second connecting hole are correspondingly connected and used for penetrating into a second connecting piece.

As a preferable scheme of the auxiliary screen assembly, the frame body is of a sheet metal forming structure.

In a second aspect, a smart blackboard is provided, including a main screen, a connection structure and an auxiliary screen assembly, the auxiliary screen assembly is arranged at the side part of the main screen, one end of the connection structure is fixed on the installation surface of the auxiliary screen assembly, and the other end is fixed on the back of the main screen.

The beneficial effects of this application are:

the auxiliary screen body and the frame body are connected respectively through the connecting support, the abutting plate additionally provided with the mounting groove on the frame body can be reduced to connect the mounting surface of the auxiliary screen body, the mounting efficiency of the frame body is improved, and the mounting difficulty is reduced. Wherein, the linking bridge is small in size, has first plate body and the second plate body that links to each other, is convenient for set up first plate body on the top of vice screen body. The frame body is provided with a connecting plate, the connecting plate is arranged at the top of the auxiliary screen body, the first plate body is arranged between the connecting plate and the auxiliary screen body, and the auxiliary screen body and the frame body can be respectively positioned and fixed through the first plate body.

Meanwhile, the auxiliary screen body is provided with a writing surface and a mounting surface which are opposite, the second plate body of the connecting support is fixed on the mounting surface, the connection strength of the connecting support and the auxiliary screen body can be improved, and the connection strength and the connection stability of the auxiliary screen body, the frame body and the connecting support are further improved. Compare among the prior art only through the butt board of mounting groove install fixedly and need set up a large amount of fastening screw's aluminium extrusion frame on the installation face, the second plate body of linking bridge has been connected fixedly with the installation face of auxiliary screen body in this application, only need fix the connecting plate of frame body on the first plate body of linking bridge can, improved installation effectiveness, also reduced the installation degree of difficulty of frame body installation on the auxiliary screen body.

Therefore, the auxiliary screen assembly of this application is efficient and the installation degree of difficulty is low.

Drawings

The present application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a partially exploded view of a secondary screen assembly according to an embodiment of the present application.

Fig. 2 is a schematic view illustrating a partial structure installation of a sub-screen assembly according to an embodiment of the present application.

Fig. 3 is a partially exploded cross-sectional view of a secondary screen assembly according to an embodiment of the present application.

Fig. 4 is a schematic view illustrating a partial structure installation of a sub-screen assembly according to an embodiment of the present application.

Fig. 5 is a partially exploded cross-sectional view of a secondary screen assembly according to another embodiment of the present application.

Fig. 6 is a schematic view illustrating a partial structure installation of a sub-screen assembly according to another embodiment of the present application.

Fig. 7 is a schematic diagram illustrating a partial structure of a smart blackboard according to an embodiment of the present application.

Fig. 8 is a schematic view illustrating a partial structure of a smart blackboard according to an embodiment of the present application.

In the figure:

1. a secondary screen body; 11. a writing board; 110. a writing surface; 111. a first hem; 12. a core plate; 13. a back plate; 130. a mounting surface; 131. a second flanging; 14. a first connection hole; 15. a second connection hole;

2. a frame body; 20. a tank body; 21. a connecting plate; 22. a sealing plate; 23. a bottom plate; 24. a trough plate; 25. a through hole;

3. a connecting bracket; 31. a first plate body; 311. a first mounting hole; 32. a second plate body; 321. a second mounting hole;

4. edge banding; 41. a first groove; 42. a second groove; 43. limit edges; 44. a limit groove; 45. an abutting portion;

5. a first connector; 6. a second connector; 7. a main screen; 8. a connection structure; 9. and a baffle.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present application more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the prior art, an aluminum extrusion frame is usually arranged on the auxiliary screen to wrap and protect the top of the auxiliary screen. Specifically, the aluminum extrusion frame is provided with a mounting groove, the top of the auxiliary screen is sleeved with the mounting groove, two abutting plates of the mounting groove are respectively abutted against the writing surface and the mounting surface of the auxiliary screen, and the abutting plates and the mounting surface are fixedly connected by arranging fastening screws on the abutting plates abutted against the mounting surface, so that the aluminum extrusion frame is mounted on the auxiliary screen. Because the shape of the aluminum extrusion frame is slender and has a certain weight, the aluminum extrusion frame is difficult to position and install on the auxiliary screen, and the installation efficiency is reduced. In addition, in order to avoid the problem that the writing surface is broken due to the open pore, the fastening screw corresponding to the mounting groove is generally formed on the mounting surface of the auxiliary screen only, so that the mounting procedure of the aluminum extrusion molding frame in the auxiliary screen on the mounting surface is more, the mounting efficiency is further reduced, and the mounting difficulty is also improved.

In order to solve the problem of high installation difficulty of the secondary screen in the prior art, as shown in fig. 1 and fig. 2, this embodiment provides a secondary screen assembly, including:

a sub-screen body 1 having a writing surface 110 and a mounting surface 130 facing away from each other;

the frame body 2 is provided with a connecting plate 21, and the connecting plate 21 is arranged at the top of the auxiliary screen body 1;

the connecting bracket 3 is provided with a first plate body 31 and a second plate body 32 which are connected, the first plate body 31 is detachably connected between the connecting plate 21 and the auxiliary screen body 1, and the second plate body 32 is detachably connected to the mounting surface 130, so that the frame body 2 and the auxiliary screen body 1 are fixed.

The auxiliary screen body 1 and the frame body 2 are connected respectively through the connecting bracket 3, the abutting plate of the additional mounting groove on the frame body 2 can be reduced to connect the mounting surface 130 of the auxiliary screen body 1, the mounting efficiency of the frame body 2 is improved, and the mounting difficulty is reduced. Wherein, linking bridge 3 is small in size, has the first plate body 31 and the second plate body 32 that link to each other, is convenient for set up first plate body 31 on the top of auxiliary screen body 1. The frame body 2 is provided with the connecting plate 21, the connecting plate 21 is arranged at the top of the auxiliary screen body 1, the first plate body 31 is arranged between the connecting plate 21 and the auxiliary screen body 1, and the auxiliary screen body 1 and the frame body 2 can be respectively positioned and fixed through the first plate body 31.

Meanwhile, the auxiliary screen body 1 is provided with the writing surface 110 and the mounting surface 130 which are opposite, the second plate 32 of the connecting bracket 3 is fixed on the mounting surface 130, so that the connection strength of the connecting bracket 3 and the auxiliary screen body 1 can be improved, and the connection strength and the connection stability of the auxiliary screen body 1, the frame body 2 and the connecting bracket 3 can be further improved. Compared with the prior art, only the abutting plate through the mounting groove is fixedly mounted on the mounting surface 130, and a large number of aluminum extrusion forming frames are required to be arranged, in the application, the second plate body 32 of the connecting bracket 3 is fixedly connected with the mounting surface 130 of the auxiliary screen body 1, only the connecting plate 21 of the frame body 2 is required to be fixed on the first plate body 31 of the connecting bracket 3, the mounting efficiency is improved, and the mounting difficulty of the frame body 2 on the auxiliary screen body 1 is also reduced.

When the auxiliary screen assembly is installed, the first plate body 31 of the connecting bracket 3 can be abutted on the top of the auxiliary screen body 1 and detachably connected with the top of the auxiliary screen body 1, the second plate body 32 of the connecting bracket 3 is abutted on the installation surface 130 of the auxiliary screen body 1 and detachably connected with the installation surface 130, and the connecting bracket 3 and the auxiliary screen body 1 are fixedly connected through the first plate body 31 and the second plate body 32. The connecting plate 21 of the frame body 2 is abutted to the first plate body 31 and detachably connected with the first plate body 31, the connecting plate 21 and the auxiliary screen body 1 are respectively fixed through the first plate body 31, and the frame body 2 and the auxiliary screen body 1 are fixedly connected.

On the contrary, when the frame body 2 needs to be disassembled, the connecting plate 21 of the frame body 2 is directly released from the first plate 31, and the frame body 2 can be separated from the auxiliary screen body 1. When a new frame body 2 needs to be installed, the connecting plate 21 of the new frame body 2 is detachably connected with the first plate 31 again, and the installation of the auxiliary screen assembly is restored and fixed.

Because the production process of the aluminum extrusion frame in the prior art is limited, in order to form the mounting groove, the mounting groove of the aluminum extrusion frame in the length direction needs to be kept through, so that a cavity is inevitably formed at the end part of the aluminum extrusion frame fixed on the auxiliary screen, and a corner connecting piece is additionally arranged to seal the cavity, so that the auxiliary screen in the prior art has more production auxiliary materials and high assembly cost

Optionally, referring to fig. 1, the frame body 2 of the present application has a slot body 20, and the end of the slot body 20 has a sealing plate 22, and the slot opening between the slot body 20 and the auxiliary screen body 1 is sealed by the sealing plate 22, so that foreign matters can be prevented from entering the slot body 20. Compare the aluminium extrusion frame that needs to set up the corner connecting piece in the prior art additionally, this application can reduce the quantity and the equipment process of production auxiliary material from the frame body 2 of taking shrouding 22, also reduces the installation degree of difficulty that frame body 2 was installed on auxiliary screen body 1 to reduce the equipment cost.

In a preferred example, only the end of the frame body 2 far from the main screen 7 is provided with a sealing plate 22, while the end close to the main screen 7 can be kept open, and the sealing plate 22 is reduced while the sealing performance of the frame body 2 after installation can be ensured by sealing the open notch through the fixed connection with the main screen 7.

For the structural composition of the groove body 20, referring to fig. 1 and 7, preferably, the frame body 2 has a bottom plate 23, and a groove plate 24 and a connecting plate 21 respectively located at two sides of the bottom plate 23, the groove plate 24 and the connecting plate 21 form the groove body 20, the bottom plate 23 faces the writing surface 110, the groove plate 24 is abutted against the writing surface 110, and the connecting plate 21 is located at the top of the sub-screen body 1, so that the groove body 20 of the frame body 2 can be covered at the top edge of the sub-screen body 1 in an inverted manner, and the top edge of the sub-screen body 1 is wrapped and protected. Meanwhile, the bottom plate 23 can be parallel to the writing surface 110, and when drawing is required on the auxiliary screen body 1, the drawing tool can slide along the surface of the bottom plate 23, so that auxiliary drawing is performed on the premise that the drawing tool does not contact the auxiliary screen body 1, and abrasion of the drawing tool to the writing surface 110 is reduced.

Further, with continued reference to fig. 7, the groove plate 24 is inclined towards the bottom of the auxiliary screen body 1, so that the angle formed by the groove plate 24 and the bottom plate 23 can be increased, for example, an obtuse angle is formed, so as to reduce damage caused by a user contacting the bezel body 2 by mistake when using the writing surface 110 of the auxiliary screen body 1, and improve the use safety of the bezel body 2.

Optionally, the surface of the frame body 2 facing the user using the auxiliary screen body 1 is provided with a protective layer, that is, the surfaces of the groove plate 24, the bottom plate 23 and the connecting plate 21 facing away from the mounting surface 130 are respectively provided with a protective layer, so that the frame body 2 can be protected from corrosion and wear. Specifically, the protective layer may be a powder layer formed after a powder spraying process, or may be a paint layer formed after a paint spraying process, which is not particularly limited in this embodiment.

In the prior art, in order to protect other edges of the sub-screen body 1, a side frame and a bottom frame are generally added and fixed to the mounting surface 130, and fastening connectors corresponding to the side frame and the bottom frame are also required to be added to the mounting surface 130, which also increases a lot of mounting auxiliary materials and mounting cost.

For this reason, referring to fig. 1, the auxiliary screen assembly of this application still includes to set up in the banding strip 4 at auxiliary screen body 1 edge, through banding strip 4 direct with the edge fixed connection of auxiliary screen body 1 with shelter from the protection to reduce the use of lateral part frame and bottom frame, play the effect of reduction material cost and installation procedure. Furthermore, the edge sealing strip 4 can also extend from one edge to the next edge on the secondary screen body 1, and the installation process can be reduced.

Optionally, the first plate 31 is located between the edge sealing strip 4 and the connecting plate 21, and the edge sealing strip 4, the auxiliary screen body 1 and the connecting plate 21 can be fixedly connected through the first plate 31 at the same time, so that the edge sealing strip 4 is also positioned and fixed.

For the structural composition of the sub-screen body 1, preferably, referring to fig. 3, the sub-screen body 1 includes a writing board 11, a core board 12, and a back board 13, which are sequentially disposed, wherein the writing board 11 is provided with a first fold 111 extending toward the back board 13. Correspondingly, the edge sealing strip 4 is provided with a first groove 41 protruding on one side in the length direction. The first folded edge 111 is accommodated in the first groove 41, so that the first folded edge 111 of the writing board 11 can be fixed in the first groove 41 of the edge sealing strip 4, the fixing of the edge sealing strip 4 and the auxiliary screen body 1 can be realized, and the connecting strength of the writing board 11 and the backboard 13 in the auxiliary screen body 1 can be further enhanced through the edge sealing strip 4.

Optionally, referring to fig. 5 and 6, the edge of the back plate 13 extends toward the direction of the writing board 11 and is provided with a second flange 131, correspondingly, the other side of the edge sealing strip 4 along the length direction is convexly provided with a second groove 42, the second flange 131 is accommodated by the second groove 42, the second flange 131 of the back plate 13 is fixed in the second groove 42 of the edge sealing strip 4, and the connection strength of the writing board 11 and the back plate 13 in the secondary screen body 1 can be further enhanced by the edge sealing strip 4.

Still preferably, referring to fig. 3 and 4, an abutment 45 is convexly disposed on a side of the edge sealing strip 4 facing away from the first groove 41, and an edge of the back plate 13 abuts against the abutment 45, so that when the edge sealing strip 4 needs to be mounted on the first flange 111, further limiting fixation can be provided to the edge sealing strip 4 through mutual abutment between the abutment 45 and the back plate 13.

In this embodiment, the core 12 may be an aluminum honeycomb composite board, and the writing board 11 and the back plate 13 may be aluminum plates.

Further, referring to fig. 3, a limiting edge 43 is protruding on the first groove 41, and the first flange 111 is fixed by abutting the limiting edge 43, so as to further improve the connection strength between the first groove 41 and the first flange 111. Alternatively, referring to fig. 5, a limiting edge 43 is protruding on the wall of the second groove 42, and the second flange 131 may be fixed by abutting the limiting edge 43, so as to improve the connection strength between the second groove 42 and the second flange 131. Alternatively, the first and second flanges 111 and 131 can be simultaneously fixed by providing the limiting ribs 43 in the first and second grooves 41 and 42.

In a preferred embodiment, a plurality of limiting edges 43 may be disposed in the first groove 41 or the second groove 42, and the plurality of limiting edges 43 may be alternately disposed on two side walls of the first groove 41 or the second groove 42, so that two sides of the first folded edge 111 or the second folded edge 131 may be simultaneously fixed in a limiting manner.

Still preferably, referring to fig. 1, the edge sealing strip 4 is concavely provided with a limiting groove 44, and the limiting groove 44 is used for accommodating the first plate body 31, so that the height of the first plate body 31 raised relative to the surface of the edge sealing strip 4 can be reduced while limiting is provided for the first plate body 31, thereby reducing the distance between the connecting plate 21 and the edge sealing strip 4, reducing the shake of the connecting plate 21 relative to the edge sealing strip 4, and improving the connection strength between the connecting plate 21 and the auxiliary screen body 1. More preferably, the thickness of the first plate body 31 may be made smaller than or equal to the height of the limit groove 44 in the height direction so that the top surface of the first plate body 31 can be lower than or flush with the surface of the edge strip 4. When the thickness of the first plate 31 in the height direction is equal to the height of the limiting groove 44, the connecting plate 21 is simultaneously abutted with the first plate 31 and the edge sealing strip 4, so that mutual limiting and fixing of the three are realized.

Specifically, the edge strip 4 of the present embodiment may be extruded from a flexible plastic, and the specific plastic may be ABS plastic, PC plastic, TPE plastic or TPU plastic, which is not limited in this embodiment.

In this application, the detachable connection mode of first plate body 31 and vice screen body 1 and connecting plate 21 can be various, for example sets up the fixture block on first plate body 31 respectively, and corresponds on vice screen body 1 and the connecting plate 21 to be provided with the buckle, realizes the detachable connection of first plate body 31 and vice screen body 1 and connecting plate 21 through the joint of buckle and fixture block. Similarly, the detachable connection of the second plate body 32 on the mounting surface 130 may also be that a clamping block is arranged on the mounting surface 130, and a buckle is arranged on the second plate body 32, and the detachable connection of the second plate body 32 on the mounting surface 130 may also be realized through the clamping connection of the buckle and the clamping block.

In another preferred embodiment, referring to fig. 1, a through hole 25 is formed in the connection plate 21, a first mounting hole 311 is formed in the first plate 31, a first connection hole 14 is formed in the sub-screen body 1, the through hole 25, the first mounting hole 311 and the first connection hole 14 are correspondingly connected, and the first connection piece 5 is penetrated through the through hole 25, the first mounting hole 311 and the first connection hole 14, so that the frame body 2, the first plate 31 and the sub-screen body 1 can be simultaneously fixed through the first connection piece 5.

Similarly, for the detachable connection between the second plate 32 and the mounting surface 130, the second mounting hole 321 may be formed in the second plate 32, and the second connecting hole 15 is formed in the mounting surface 130, so that the second mounting hole 321 and the second connecting hole 15 are correspondingly connected, and the second connecting piece 6 penetrates into the second mounting hole 321 and the second connecting hole 15, so that the second plate 32 may be fixed on the mounting surface 130 in a limited manner.

In this embodiment, the first plate 31 and the second plate 32 of the connection bracket 3 are respectively abutted against the top edge of the sub-screen body 1 and the mounting surface 130 until the first mounting hole 311 and the first connection hole 14 are correspondingly connected and the second mounting hole 321 and the second connection hole 15 are correspondingly connected, the second connection member 6 may be first inserted into the second mounting hole 321 and the second connection hole 15, so as to fix the second plate 32 of the connection bracket 3 on the mounting surface 130. Then, the connecting plate 21 of the frame body 2 is abutted to the first plate 31 until the through hole 25 is correspondingly connected with the first mounting hole 311 and the first connecting hole 14, and then the first connecting piece 5 is penetrated into the through hole 25, the first mounting hole 311 and the first connecting hole 14 to fixedly connect the frame body 2, the first plate 31 and the auxiliary screen body 1, so that limit fixing of the frame body 2, the connecting bracket 3 and the auxiliary screen body 1 is realized.

On the contrary, if the frame body 2 needs to be disassembled, the first connecting piece 5 is directly detached from the first mounting hole 311, and the fixed connection between the connecting plate 21 and the first plate 31 can be released, so that the frame body 2 is conveniently detached from the connecting bracket 3. If the first connector 5 and the second connector 6 are detached at the same time, the frame body 2, the connecting bracket 3 and the sub-screen body 1 can be detached at the same time.

The first connecting member 5 and the second connecting member 6 in this embodiment may be bolts or screws, and the first connecting hole 14 and the second connecting hole 15 are screw holes, respectively. Alternatively, the first connecting member 5 and the second connecting member 6 may be pins to achieve detachable connection of the first connecting member 5 with the first connecting hole 14 and detachable connection of the second connecting member 6 with the second connecting hole 15.

Particularly, frame body 2 in this application is sheet metal forming structure, compares in aluminium extrusion frame, and the used manufacturing materials of sheet metal forming technology is less, and required sheet metal mold's volume is also littleer, and the design degree of difficulty also is lower can practice thrift material cost, manufacturing cost more and reduce the manufacturing degree of difficulty.

As shown in fig. 7 and 8, the present application further provides a smart blackboard, including a main screen 7, a connection structure 8, and a sub-screen assembly according to any of the above embodiments. Wherein, the auxiliary screen assembly sets up in the lateral part of main screen 7, and the one end of connection structure 8 is fixed in the installation face 130 of auxiliary screen assembly, and the other end is fixed in the back of main screen 7. The secondary screen assembly in this embodiment may have the same structure and achieve the same effect as the secondary screen assembly in the foregoing embodiment, which is not described in detail in this embodiment.

Preferably, referring to fig. 8, when the smart blackboard is fixed on a wall surface, the smart blackboard of the present application further includes a baffle 9 disposed between the installation surface 130 of the sub-screen body 1 in the sub-screen assembly and the wall surface, and the baffle 9 is disposed on a side of the sub-screen assembly away from the main screen 7, so that a gap between the installation surface 130 of the sub-screen body 1 and the wall surface can be blocked.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principles of the present application are described above in connection with specific embodiments. These descriptions are provided only for the purpose of illustrating the principles of the present application and should not be construed as limiting the scope of the present application in any way. Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification without undue burden from the present disclosure.

Claims

1. A secondary screen assembly, comprising:

a sub-screen body (1) having a writing surface (110) and a mounting surface (130) which are opposite to each other;

the frame body (2) is provided with a connecting plate (21), and the connecting plate (21) is arranged at the top of the auxiliary screen body (1);

the connecting support (3) is provided with a first plate body (31) and a second plate body (32) which are connected, the first plate body (31) is detachably connected between the connecting plate (21) and the auxiliary screen body (1), and the second plate body (32) is detachably connected to the mounting surface (130) so that the frame body (2) and the auxiliary screen body (1) are fixed.

2. The secondary screen assembly according to claim 1, wherein the bezel body (2) has a slot body (20), the end of the slot body (20) has a sealing plate (22), and the sealing plate (22) seals the notch between the slot body (20) and the secondary screen body (1).

3. The sub-screen assembly according to claim 2, wherein the bezel body (2) has a bottom plate (23) and a groove plate (24) and a connection plate (21) respectively located at both sides of the bottom plate (23), the groove plate (24) and the connection plate (21) form the groove body (20), the bottom plate (23) faces the writing surface (110), and the groove plate (24) abuts against the writing surface (110).

4. The secondary screen assembly of claim 1, further comprising:

the edge sealing strip (4) is arranged at the edge of the auxiliary screen body (1), and the first plate body (31) is positioned between the edge sealing strip (4) and the connecting plate (21).

5. The auxiliary screen assembly according to claim 4, wherein the auxiliary screen body (1) comprises a writing board (11), a core board (12) and a back board (13) which are sequentially arranged, a first folded edge (111) is arranged on the edge of the writing board (11) in an extending mode towards the direction of the back board (13), a first groove (41) is concavely formed in one side of the edge sealing strip (4) along the length direction, and the first groove (41) is used for accommodating the first folded edge (111).

6. A secondary screen assembly according to claim 5, wherein the walls of the first recess (41) are provided with a protruding stop ridge (43).

7. A secondary screen assembly according to claim 5, wherein the edge of the back plate (13) extends towards the writing board (11) and is provided with a second folded edge (131), and the other side of the edge sealing strip (4) along the length direction is provided with a second groove (42) in a protruding mode, and the second groove (42) accommodates the second folded edge (131).

8. A secondary screen assembly according to claim 5, wherein the side of the edge strip (4) facing away from the first recess (41) is convexly provided with an abutment (45), the abutment (45) being adapted to abut against the edge of the back plate (13).

9. A secondary screen assembly according to claim 4, wherein the edge strip (4) is concavely provided with a limit groove (44), the limit groove (44) accommodating the first plate body (31).

10. The auxiliary screen assembly according to any one of claims 1 to 9, wherein the connecting plate (21) is provided with a through hole (25), the first plate body (31) is provided with a first mounting hole (311), the auxiliary screen body (1) is provided with a first connecting hole (14), and the through hole (25), the first mounting hole (311) and the first connecting hole (14) are correspondingly connected and are used for penetrating into a first connecting piece (5); the second plate body (32) is provided with a second mounting hole (321), the mounting surface (130) is provided with a second connecting hole (15), and the second mounting hole (321) and the second connecting hole (15) are correspondingly connected and used for penetrating into a second connecting piece (6).

11. The secondary screen assembly according to any one of claims 1 to 9, wherein the bezel body (2) is a sheet metal shaped structure.

12. An intelligent blackboard is characterized by comprising a main screen (7), a connecting structure (8) and the auxiliary screen assembly according to any one of claims 1-11, wherein the auxiliary screen assembly is arranged on the side part of the main screen (7), one end of the connecting structure (8) is fixed on a mounting surface (130) of the auxiliary screen assembly, and the other end of the connecting structure is fixed on the back of the main screen (7).