CN220517861U - Frame structure of wisdom blackboard auxiliary screen and wisdom blackboard auxiliary screen - Google Patents

Abstract

The utility model provides a frame structure and wisdom blackboard auxiliary screen of wisdom blackboard auxiliary screen, including being used for installing in the auxiliary screen frame on the top side of auxiliary screen board, just the auxiliary screen frame is used for linking up the main frame that is gone up, the main frame that is gone up includes roof and preceding wall; the sub-screen upper frame includes: a top plate, the inner side of which is used for abutting against the top edge of the auxiliary screen board, and the outer side of which is used for being connected with the top wall surface; a front panel, the upper side of which is connected with the top plate, the inner side of the front panel is used for abutting against the front surface of the auxiliary screen board, and the outer side of the front panel is used for being connected with the front wall surface; and the upper side of the rear panel is connected with the top plate, and the inner side of the rear panel is used for abutting against the rear surface of the auxiliary screen board. The top edge of the auxiliary screen board is abutted to the inner side of the top plate, the outer side is directly connected with the top wall surface of the upper frame of the main screen, the cantilever structure on the upper frame of the auxiliary screen, which is positioned on the auxiliary screen board, is directly canceled, and the problems that the stability of the upper frame of the auxiliary screen is affected, consumable materials are increased and the like due to the existence of the cantilever structure are avoided.

Description

Frame structure of wisdom blackboard auxiliary screen and wisdom blackboard auxiliary screen

Technical Field

The application relates to the technical field of blackboards, in particular to a frame structure of an intelligent blackboard auxiliary screen and the intelligent blackboard auxiliary screen.

Background

One side or both sides of the main screen of current wisdom blackboard can be connected with the auxiliary screen and be used for providing the writing function of teaching in-process, in order to avoid the problem of auxiliary screen sharp edge cutting hand, be provided with the frame structure in the edge of auxiliary screen generally. As shown in fig. 1, the conventional auxiliary screen 1 'is provided with an auxiliary screen upper frame 2', in the auxiliary screen upper frame 2', in order to further optimize the aesthetic property of the intelligent blackboard, the auxiliary screen upper frame 2' is generally designed into a structure connected with the upper frame of the main screen, so that the transition between the auxiliary screen upper frame 2 'and the main screen frame is smooth, however, the conventional auxiliary screen upper frame 2' has a complex cross-section structure, an upwardly extending cantilever structure is formed on the auxiliary screen 1', the problem of poor mounting stability of the auxiliary screen upper frame 2' on the auxiliary screen 1 'is caused due to the existence of the cantilever structure, and the problem of increased consumable material of the auxiliary screen upper frame 2' is also caused to a certain extent.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the utility model provides a frame structure and intelligent blackboard auxiliary screen of intelligent blackboard auxiliary screen, it can solve the above-mentioned problem that exists among the prior art.

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

in one aspect, a frame structure of an intelligent blackboard auxiliary screen is provided, which comprises an auxiliary screen upper frame arranged on the top side of an auxiliary screen board, wherein the auxiliary screen upper frame is used for being connected with a main screen upper frame, and the main screen upper frame comprises a top wall surface and a front wall surface;

the sub-screen upper frame includes:

a top plate, the inner side of which is used for abutting against the top edge of the auxiliary screen board, and the outer side of which is used for being connected with the top wall surface;

a front panel, the upper side of which is connected with the top plate, the inner side of the front panel is used for abutting against the front surface of the auxiliary screen board, and the outer side of the front panel is used for being connected with the front wall surface;

and the upper side of the rear panel is connected with the top plate, and the inner side of the rear panel is used for abutting against the rear surface of the auxiliary screen board.

Optionally, the front panel includes front end plate and lower end plate, the front end plate upside is connected the roof, and the downside is connected the lower end plate, just the lower end plate is relative the front end plate extends to the rear panel place side, the lower end plate is used for the butt vice screen board.

Optionally, the front panel further includes an inner abutment plate connected to a rear side of the lower end plate and extending upward, the inner abutment plate being for abutting against a front surface of the sub-panel.

Optionally, a closed end plate is disposed at one end of the auxiliary screen upper frame away from the main screen, and the closed end plate is connected with the top plate, the front panel and the rear panel to seal an opening of the auxiliary screen upper frame away from one end of the main screen upper frame.

Optionally, the closing end plate has a downwardly extending extension plate connecting the front end plate, the lower end plate and the inner abutment plate simultaneously to close off an end of a cavity formed between the front panel and the sub-panel.

Optionally, a plurality of positioning holes are formed in the rear panel, and the positioning holes are used for being matched with the connecting nails to fix the upper frame of the auxiliary screen on the auxiliary screen board.

Optionally, the upper frame of the auxiliary screen is of a sheet metal structure.

Optionally, the auxiliary screen panel further comprises a side edge sealing adhesive tape and a lower edge sealing adhesive tape, wherein the side edge sealing adhesive tape is used for being attached to the side edge of the auxiliary screen panel away from the main screen, and the lower edge sealing adhesive tape is used for being attached to the bottom edge of the auxiliary screen panel.

Optionally, the device further comprises an upper edge sealing adhesive tape, wherein the upper edge sealing adhesive tape is used for being attached to the top edge of the auxiliary screen board.

Optionally, the lower edge sealing adhesive tape, the side edge sealing adhesive tape and the upper edge sealing adhesive tape are of an integrated structure.

On the other hand, provide a wisdom blackboard auxiliary screen, including auxiliary screen board and foretell wisdom blackboard auxiliary screen's frame structure.

The beneficial effects of this application are: the utility model provides a frame structure of a smart blackboard auxiliary screen and the smart blackboard auxiliary screen, wherein the frame structure comprises an auxiliary screen upper frame which is arranged at the top edge of an auxiliary screen plate and is connected with a main screen upper frame, the auxiliary screen upper frame comprises a top plate, a front panel and a rear panel which are respectively connected with the front side and the rear side of the top plate, a jogging groove is formed by enclosing the front panel, the top plate and the rear panel, and the upper edge of the auxiliary screen plate is inlaid in the jogging groove during installation, so that the installation of the auxiliary screen upper frame is realized. The top edge of the auxiliary screen board is abutted to the inner side of the top plate in the scheme, and the outer side is directly connected with the top wall surface of the upper frame of the main screen, so that the cantilever structure on the upper frame of the auxiliary screen, which is positioned on the auxiliary screen board, is directly canceled, and the problems of stability, consumable increase and the like, which are caused by the existence of the cantilever structure, of influencing the installation of the upper frame of the auxiliary screen are avoided.

Drawings

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

FIG. 1 is a cross-sectional view of a top structure of a prior art smart blackboard secondary screen;

FIG. 2 is a schematic diagram of a front structure of a smart blackboard according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

fig. 4 is a schematic front view of a smart blackboard auxiliary screen according to an embodiment of the present application;

FIG. 5 is a cross-sectional view of a top structure of a secondary screen of a smart blackboard according to an embodiment of the present application;

FIG. 6 is an exploded view of a secondary screen of a smart blackboard according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of one of the sub-screen frames according to the embodiment of the present application;

FIG. 8 is an enlarged schematic view of area B of FIG. 7;

FIG. 9 is a schematic structural view of another implementation of the sub-screen upper frame according to the embodiment of the present application;

fig. 10 is an enlarged schematic view of region C in fig. 9.

In fig. 1:

1', an auxiliary screen; 2', the upper frame of the auxiliary screen.

In fig. 2-10:

10. a sub-screen; 11. a top edge; 12. a bottom edge; 20. an upper frame of the auxiliary screen; 21. a top plate; 22. a front panel; 221. a front end plate; 222. a lower end plate; 223. an inner abutment plate; 23. a rear panel; 231. positioning holes; 24. a closed end plate; 241. an extension plate; 30. a side edge sealing adhesive tape; 40. a lower edge sealing adhesive tape; 50. an upper edge sealing adhesive tape; 60. a decoration piece; 70. a main screen; 80. a main screen upper frame; 81. a top wall surface; 82. a front wall surface; 90. and a main screen lower frame.

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 being "above" or "below" a second feature may include the first and second features being directly abutted, or may include the first and second features not being directly abutted, but being abutted by another feature 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.

As shown in fig. 1, an auxiliary screen upper frame 2' is installed on an existing auxiliary screen 1' in the prior art, and in the auxiliary screen upper frame 2', in order to optimize the aesthetic property of the smart blackboard, the auxiliary screen upper frame 2' is generally designed to be connected with an upper frame of a main screen, so that the transition between the auxiliary screen upper frame 2' and the main screen frame is smooth. As can be seen from the structure in the drawing, after the sub-screen upper frame 2 'is mounted on the sub-screen 1', there is a cantilever structure on the top of the sub-screen upper frame 2', and the cantilever influences the stability of the sub-screen upper frame 2' to a certain extent. In addition, in the structure of the auxiliary screen upper frame 2', in order to enable the auxiliary screen upper frame 2' to be connected with the main screen upper frame of the main screen, the front surface of the auxiliary screen upper frame 2 'protrudes out of the front surface of the auxiliary screen 1', and in order to reduce consumable materials, a through cavity is formed in the auxiliary screen upper frame 2', and the structure enables the existing auxiliary screen upper frame 2' to be formed only through extrusion or casting technology, and the processing technology is high in difficulty and cost; the two ends of the section bar of the upper frame 2 'of the auxiliary screen processed by the extrusion or casting process are all in an opening shape, and an appearance shielding plate is required to be installed at one end, far away from the main screen, of the upper frame 2' of the auxiliary screen, and the material types and the assembly working hours are increased due to the arrangement of the appearance shielding plate; and the upper frame 2' of the auxiliary screen has a complex structure, relatively high consumable amount and high material cost.

Referring to fig. 2-3, this embodiment provides a smart blackboard, including a main screen 70 and two auxiliary screen boards 10 respectively mounted on the left and right sides of the main screen 70, the upper and lower sides of the main screen 70 are respectively provided with a main screen upper frame 80 and a main screen lower frame 90, the upper and lower sides of the auxiliary screen boards 10 are respectively provided with an auxiliary screen upper frame 20 and a lower edge sealing adhesive tape 40, preferably, the auxiliary screen upper frame 20 is a sheet metal structure, and can be formed by sheet metal processing technologies such as bending, stamping and the like, and the smart blackboard has the advantages of simple processing, low processing cost and the like. In order to optimize the beauty, the top surface and the front side surface of the auxiliary screen upper frame 20 are respectively flush with the top surface and the front side surface of the main screen upper frame 80, so that the auxiliary screen upper frame 20 is connected with the main screen upper frame 80, and the surface between the auxiliary screen upper frame 20 and the main screen upper frame is in smooth transition; the side that is close to the main screen of auxiliary screen board 10 bottom is provided with decoration 60, and the bottom surface of decoration 60 is the arc surface, and its arc surface one end links up the lower terminal surface of main screen lower frame 90, and the lower terminal surface of banding adhesive tape 40 under the other end links up to realize the surperficial smooth transition between the three.

With reference to fig. 4-10, the present embodiment further provides a frame structure of the smart blackboard secondary screen, which can be applied to the smart blackboard.

In particular, in the frame structure of the smart blackboard auxiliary screen of the embodiment,

the auxiliary screen comprises an auxiliary screen upper frame 20 which is used for being installed on the top side of the auxiliary screen board 10, wherein the auxiliary screen upper frame 20 is used for being connected with a main screen upper frame 80, and the main screen upper frame 80 comprises a top wall surface 81 and a front wall surface 82; specifically, in the description of the present application, the same side wall of the main screen upper frame 80 on the display side of the main screen 70 is a front wall 82, a side wall facing away from the front wall 82 is a rear wall, and a side wall far away from the ground is a top wall 81, based on the normal upright placement of the main screen 70.

The sub-screen upper frame 20 includes:

a top plate 21, the inner side of which is used for abutting against the top edge 11 of the auxiliary screen 10, and the outer side of which is used for being jointed with the top wall surface 81;

a front panel 22, the upper side of which is connected with the top plate 21, wherein the inner side of the front panel 22 is used for abutting against the front surface of the auxiliary screen 10, and the outer side is used for being jointed with the front wall 82;

and a rear panel 23 connected to the top plate 21 at an upper side, wherein an inner side of the rear panel 23 is adapted to abut against a rear surface of the sub-panel 10.

In the description of the present application, the center of the sub-panel 10 is taken as a reference, and the side of the sub-upper frame 20, which is close to the center of the sub-panel 10, is the inner side, and the side, which is far from the center of the sub-panel 10, is the outer side. As will be appreciated in connection with the construction shown in fig. 2, the outer side of the top panel 21 engages the top wall surface 81 and the outer side of the front panel 22 engages the front wall surface 82, meaning that in the product assembled condition, the outer side wall surface of the top panel 21 is flush with the top wall surface 81 of the main screen upper bezel 80 and the outer side wall surface of the front panel 22 is flush with the front wall surface 82 of the main screen upper bezel 80. Since the rear panel 23 is a region that is difficult to observe in the use state, the outside of the rear panel 23 is not required to be engaged with the rear avoidance of the main screen upper frame 80.

The surface between the sub-screen upper frame 20 and the main screen upper frame 80 can be smoothly transited based on the connection of the two.

It will be appreciated that the top plate 21, the front panel 22 and the rear panel 23 are respectively abutted against the top edge 11, the front surface and the rear surface of the auxiliary screen panel 10, which is equivalent to the structure that the cross section of the whole auxiliary screen upper frame 20 is provided with an embedded groove, and the embedded groove is exactly matched with the upper edge of the auxiliary screen panel 10, and the outer side of the top plate 21 is directly connected with the top wall surface 81 of the main screen upper frame 80, so that an upwardly extending cantilever structure is not formed on the top plate 21 any more, compared with the structure of the traditional auxiliary screen upper frame 2', a cavity through structure is not required to be arranged in the auxiliary screen upper frame 20, the structure of the auxiliary screen upper frame 20 is simplified, the material cost is reduced, the cantilever structure is cancelled, and the stability of the auxiliary screen upper frame 20 and the auxiliary screen panel 10 in cooperation is improved. When it should be noted that, under the condition of matching with the main screen 70 with the same height, in order to make the top surface of the top plate 21 and the top surface of the main screen upper frame 80 have the same height, compared with the prior art, the height of the auxiliary screen 10 used in the scheme needs to be higher, so as to achieve the purpose of supporting the auxiliary screen upper frame 20 to a sufficient height.

To sum up, according to the frame structure of the smart blackboard auxiliary screen of the present embodiment, the frame structure includes an auxiliary screen upper frame 20 for being mounted on the top edge 11 of the auxiliary screen 10 to be engaged with the main screen upper frame 80 of the main screen 70, the auxiliary screen upper frame 20 includes a top plate 21 and a front panel 22 and a rear panel 23 respectively connected to the front and rear sides of the top plate 21, a fitting groove is formed by enclosing between the front panel 22, the top plate 21 and the rear panel 23, and the upper edge of the auxiliary screen 10 is fitted into the fitting groove during mounting, so as to realize the mounting of the auxiliary screen upper frame. In this scheme, the top edge 11 of the auxiliary screen board 10 is abutted to the inboard of roof 21, and the outside is directly linked up with the roof 81 of the main screen upper frame 80 to, the cantilever structure that is located on the auxiliary screen upper frame 20 on the auxiliary screen 10 has directly been cancelled to the structure of this scheme, and then has avoided influencing stability, the increase consumptive material scheduling problem of auxiliary screen upper frame installation because of the existence of this cantilever structure.

In one embodiment, the upper frame 20 of the secondary screen is a sheet metal structure.

The upper frame 20 of the auxiliary screen is in a sheet metal structure, and can directly bend or punch a plate for forming, for example, one side of the plate is bent to form a rear panel 23, then the plate is bent to form a front panel 22 at a certain distance from the rear panel 23, and a plate connected between the front panel 22 and the rear panel 23 is a top plate 21; wherein, because the thickness of the plate is fixed, when the thickness of the plate is smaller than the design thickness of the front panel 22, the front panel 22 with enough thickness can be formed by a plurality of bending modes, and the front panel 22 at this time is not a plane plate, but a special-shaped plate formed by a plurality of bending modes. The material consumption of the upper frame 20 of the auxiliary screen is reduced and the processing technology is simplified by directly forming through a sheet metal processing technology.

In some embodiments, referring to fig. 5, the front panel 22 includes a front end plate 221 and a lower end plate 222, the upper side of the front end plate 221 is connected to the top plate 21, the lower side is connected to the lower end plate 222, and the lower end plate 222 extends toward the rear panel 23 opposite to the front end plate 221, and the lower end plate 222 is used for abutting against the sub-panel 10.

Specifically, this way can solve the problem that the thickness of the processed plate of the sub-screen upper frame 20 is smaller than the design thickness of the front panel 22, that is, the width of the top plate 21 is larger than the thickness of the sub-screen 10, and in the installation state, the top plate 21 extends forward by a certain length relative to the front surface of the sub-screen 10, so that the front end plate 221 can keep a certain interval from the surface of the sub-screen 10, and the purpose of increasing the thickness of the front panel 22 is achieved; and then the notch formed between the front end plate 221 and the auxiliary screen plate 10 is closed by backward bending of the lower end plate 222, so that the aesthetic property of the product is improved, the lower end of the front end plate 221 is supported, the front end plate 221 is ensured, and the reliability of the installation of the auxiliary screen upper frame 20 on the auxiliary screen plate 10 is improved. Wherein, the distance between the end of the lower end plate 222 far from the front end plate 221 and the front side surface of the front end plate 221 is the thickness of the front panel 22; the space between the end of the lower end plate 222 away from the front end plate 221 and the rear panel 23 is the width of the fitting groove.

Based on above structure, when satisfying and adopting panel beating processing technology shaping vice on-screen frame 20, use the panel of less thickness can satisfy the demand that frame 20 can link up with main on-screen frame 80 on the vice on-screen after the processing, form certain cavity in front panel 22 inside simultaneously, reached the purpose that reduces on-screen frame 20 processing consumptive material.

In a further aspect, the front panel 22 further includes an inner abutment plate 223, the inner abutment plate 223 is connected to the rear side of the lower end plate 222 and extends upward, and the inner abutment plate 223 is configured to abut against the front surface of the sub-panel 10.

Specifically, the inner abutting plate 223 is formed by bending upwards the side of the lower end plate 222 away from the front end plate 221, and the abutting area of the front panel 22 and the auxiliary screen 10 can be effectively increased by utilizing the inner abutting plate 223, so that the reliability of mounting the auxiliary screen upper frame 20 on the auxiliary screen 10 is improved.

Referring to fig. 7-10, in some embodiments, a closing end plate 24 is disposed at an end of the sub-screen bezel 20 remote from the main screen 70, and the closing end plate 24 is connected to the top plate 21, the front panel 22, and the rear panel 23 to close an opening at an end of the sub-screen bezel 20 remote from the main screen bezel 80.

The free end of the sub-screen upper frame 20 is provided with the closed end plate 24 which extends downwards to cover the corner of the sub-screen 10, so that the top plate 21 can extend to the side edge of the sub-screen 10, and the problem that the appearance is affected due to the right angle exposure of the sub-screen 10 is avoided.

Specifically, the closed end plate 24 may be formed by a sheet metal process, after the closed end plate 24 is bent to form the sub-screen upper frame 20, the junction between the top plate 21 and the front end plate 221 and the junction between the top plate 21 and the rear panel 23 are cut at the free ends thereof, the redundant parts of the front end plate 221 and the rear panel 23 are cut, and then the protruding parts of the top plate 21 and the upper end plate 221 are bent downward to form the closed end plate 24, so that the closed end plate 24 can cover the end opening of the fitting groove, i.e. the right angle of the edge of the sub-screen 10 is covered. For improving the aesthetic property, the sealing end plate 24 after being bent downwards is welded with the front end plate 221 and the rear panel 23 and then polished, so that the smoothness of the connection between the three is improved.

Therefore, the purpose of plugging the free end of the auxiliary screen upper frame 20 can be achieved by directly using a sheet metal process on the original section bar of the auxiliary screen upper frame, and compared with the prior art, the independent appearance cover plate is omitted, and the material types and assembly working hours are reduced.

In a further aspect, the closing end plate 24 has a downwardly extending extension plate 241, and the extension plate 241 connects the front end plate 221, the lower end plate 222, and the inner abutment plate 223 at the same time to cover an end of a cavity formed between the front panel 22 and the sub-screen 10.

Specifically, in some application scenarios, the front end plate 221 extends downward more than the rear panel 23, and because a cavity is formed between the front end plate 221 and the auxiliary screen 10, the structure of the closed end plate 24 continues to extend downward to form an extending plate 241 connected with the lower end plate 222 and the inner abutting plate 223, so that the end of the cavity can be closed, and the aesthetic property of the product is further improved.

In particular, in some applications, referring to fig. 7-8, the extension panel 241 is equidistant from the top panel 21 beyond the front surface of the secondary screen 10 by an amount that just obscures the ends of the cavity formed inside the front panel 22, but does not obscure the sides of the secondary screen 10. In other applications, referring to fig. 9-10, the extension panel 241 has the same width as the top panel 21, which simultaneously shields the ends of the cavity formed inside the front panel 22 and the sides of the secondary screen 10.

To improve the reliability of the installation of the sub-screen upper frame 20 on the sub-screen panel 10, in some embodiments, the rear panel 23 is provided with a plurality of positioning holes 231, and the positioning holes 231 are used to cooperate with connecting nails to fix the sub-screen upper frame 20 on the sub-screen panel 10.

The connecting nails can be screws or rivets, and the like, and when the auxiliary screen board 10 is used, the connecting holes matched with the positioning holes 231 are formed in the auxiliary screen board 10, the upper edge of the auxiliary screen board 10 is embedded into the auxiliary screen upper frame 20, and then the auxiliary screen upper frame 20 is reliably locked on the auxiliary screen board 10 by beating the connecting nails.

To achieve edge sealing of the side edges and the bottom edge 12 of the secondary panel 10, in some embodiments, the edge sealing device further includes a side edge sealing adhesive tape 30 and a lower edge sealing adhesive tape 40, where the side edge sealing adhesive tape 30 is used to attach to the side edge of the secondary panel 10 away from the primary panel 70, and the lower edge sealing adhesive tape 40 is used to attach to the bottom edge 12 of the secondary panel 10.

In particular installation, the side edge sealing strip 30 and the lower edge sealing strip 40 are respectively fixed to the secondary screen 10 by means of bonding. The side edge sealing adhesive tape 30 and the lower edge sealing adhesive tape 40 are adopted to seal the edges of the auxiliary screen board 10, so that the problem of sharp edge cutting of the auxiliary screen board 10 can be avoided, and the adhesive tape has the advantages of simple structure, low cost and convenience in fixing.

In some embodiments, an upper edge sealing strip 50 is also included, the upper edge sealing strip 50 being adapted to fit against the top edge 11 of the secondary panel 10.

In this manner, the mounted secondary screen upper bezel 20 is covered by the upper edge sealing strip 50.

As a preferred embodiment, the lower edge sealing adhesive tape 40, the side edge sealing adhesive tape 30 and the upper edge sealing adhesive tape 50 are integrally formed.

The integrated edge sealing adhesive tape structure is adopted, the adhesive tape can be bent at the corner during pasting by utilizing the flexible characteristic of the adhesive tape, the adhesive tape can completely wrap the corner of the auxiliary screen board 10 after the structure is pasted, and meanwhile, the adjacent edge sealing adhesive tapes are connected smoothly, so that the attractive appearance is good.

On the other hand, the present embodiment further provides a smart blackboard auxiliary screen, which includes the auxiliary screen board 10 and the frame structure of the smart blackboard auxiliary screen.

Similarly, the auxiliary screen upper frame 20 of the intelligent blackboard auxiliary screen of the embodiment cancels the cantilever structure, improves the installation reliability and reduces the consumable. And the auxiliary screen upper frame 20 can be directly formed through a sheet metal machining process, so that the consumable of the auxiliary screen upper frame 20 is reduced, and the machining process is simplified.

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 (11)

1. The intelligent blackboard auxiliary screen frame structure is characterized by comprising an auxiliary screen upper frame (20) which is arranged on the top side of an auxiliary screen board (10), wherein the auxiliary screen upper frame (20) is used for being connected with a main screen upper frame (80), and the main screen upper frame (80) comprises a top wall surface (81) and a front wall surface (82);

the sub-screen upper frame (20) comprises:

a top plate (21) having an inner side for abutting against the top edge (11) of the sub-panel (10) and an outer side for engaging with the top wall surface (81);

a front panel (22) connected to the top plate (21), wherein the inner side of the front panel (22) is used for abutting against the front surface of the auxiliary screen panel (10), and the outer side is used for being connected with the front wall surface (82);

and a rear panel (23) connected to the top plate (21) at an upper side, wherein an inner side of the rear panel (23) is configured to abut against a rear surface of the sub-screen (10).

2. The frame structure of the smart blackboard sub-screen according to claim 1, characterized in that the front panel (22) includes a front end plate (221) and a lower end plate (222), the upper side of the front end plate (221) is connected to the top plate (21), the lower side is connected to the lower end plate (222), and the lower end plate (222) extends toward the side where the rear panel (23) is located with respect to the front end plate (221), and the lower end plate (222) is used for abutting the sub-screen (10).

3. The frame structure of a smart blackboard sub-screen according to claim 2, characterized in that the front panel (22) further includes an inner abutment plate (223), the inner abutment plate (223) being connected to the rear side of the lower end plate (222) and extending upward, the inner abutment plate (223) being for abutting against the front surface of the sub-screen (10).

4. A frame structure of a smart blackboard auxiliary screen according to claim 3, characterized in that the end of the auxiliary screen upper frame (20) far from the main screen (70) is provided with a closing end plate (24), and the closing end plate (24) is connected with the top plate (21), the front panel (22) and the rear panel (23) to cover the opening of the end of the auxiliary screen upper frame (20) far from the main screen upper frame (80).

5. The frame structure of a smart blackboard sub-screen according to claim 4, characterized in that the closing end plate (24) has a downwardly extending extension plate (241), the extension plate (241) simultaneously connecting the front end plate (221), the lower end plate (222) and the inner abutment plate (223) to cover the end of the cavity formed between the front panel (22) and the sub-screen (10).

6. The frame structure of the intelligent blackboard auxiliary screen according to claim 1, characterized in that the rear panel (23) is provided with a plurality of positioning holes (231), and the positioning holes (231) are used for being matched with connecting nails to fix the auxiliary screen upper frame (20) on the auxiliary screen board (10).

7. The frame structure of the intelligent blackboard auxiliary screen according to claim 1, wherein the upper frame (20) of the auxiliary screen is a sheet metal structure.

8. The frame structure of a secondary smart blackboard screen according to any of the claims 1-7, characterized in that it further comprises a side edge sealing strip (30) and a lower edge sealing strip (40), the side edge sealing strip (30) being adapted to be attached to the side of the secondary screen (10) remote from the primary screen (70), and the lower edge sealing strip (40) being adapted to be attached to the bottom edge (12) of the secondary screen (10).

9. The frame structure of a secondary intelligent blackboard panel according to claim 8, characterized in that it further comprises an upper edge sealing strip (50), said upper edge sealing strip (50) being adapted to be applied to the top edge (11) of said secondary panel (10).

10. The frame structure of the intelligent blackboard auxiliary screen according to claim 9, wherein the lower edge sealing adhesive tape (40), the side edge sealing adhesive tape (30) and the upper edge sealing adhesive tape (50) are of an integral structure.

11. A smart blackboard secondary screen comprising a secondary screen panel and a frame structure of the smart blackboard secondary screen according to any one of claims 1 to 10.