CN218525259U - Concatenation screen and wisdom blackboard - Google Patents

Abstract

The utility model discloses a splicing screen and an intelligent blackboard, which relate to the technical field of electronic equipment and comprise a first screen body and a second screen body, wherein the first screen body is provided with a first splicing component, the first splicing component is provided with a first hanging and overlapping surface facing the upper part of the first screen body, the second screen body is provided with a second splicing component, and the second splicing component is provided with a second hanging and overlapping surface and a third hanging and overlapping surface which are opposite in direction; the second hanging surface and the first hanging surface can be matched in a hanging manner along the gravity direction, or the third hanging surface and the first hanging surface can be matched in a hanging manner along the gravity direction, so that the second screen body is hung on the first screen body. Can realize sharing between each second screen body, the vice screen in left side or the vice screen in right side on the first screen body can be regarded as to same second screen body to can omit the processing differentiation to vice screen about the wisdom blackboard, reduce complete machine material kind, solve the problem that the misloading in the rear end assembly that the later stage packing compounding made mistakes and leads to is even unable combination concatenation.

Description

Concatenation screen and wisdom blackboard

Technical Field

The utility model relates to an electronic equipment's technical field especially relates to a concatenation screen and wisdom blackboard.

Background

In the related art of electronic screens, in order to meet various requirements, sometimes two or more screen bodies need to be spliced to form a spliced screen, so as to achieve the purpose of enlarging a display area. The wisdom blackboard is one of the concatenation screen, and it includes a main screen and two vice screens usually, and two vice screen bodies are generally put in the left and right sides of main screen separately, and the main screen body can provide touch operation to mode such as picture, video presents the teaching content, and the vice screen body then can provide ordinary writing or the touch operation function the same with the main screen according to the user selection, realizes traditional teaching and electronic teaching and combines, reaches the effect that promotes the teaching quality.

In the existing splicing screen mounting structure, the screen bodies are generally hung and positioned through the matching of the hooks and the hook grooves, and then the screen bodies are further mounted and fixed through the matched mounting structure.

However, for a combined screen requiring that the auxiliary screens are respectively arranged on the left side and the right side of the main screen, due to the limitation of the hanging structure, the left and right auxiliary screens need to be correspondingly installed on the left and right sides of the main screen to realize the reliable installation of the auxiliary screens, the left and right auxiliary screens cannot be shared, and when the auxiliary screens are installed in wrong lateral directions, the auxiliary screen body cannot be assembled with the main screen. And, when the production of concatenation screen is accomplished and is packed the shipment afterwards, probably pack into a case with two left vice screens or two right vice screens, lead to the product packing to make mistakes, cause the after-sale end can't assemble into the complete machine, so, concatenation screen has the material variety in process of production many, and the problem that the compounding was made mistakes appears easily in follow-up packing.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides a concatenation screen and wisdom blackboard solves the problem that the material kind that can't the sharing lead to is many between the second screen body, the easy compounding of packing is made mistakes.

In order to achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, a tiled screen is provided, comprising:

a first screen body;

the first splicing assembly is arranged on the first screen body, and a first hanging surface facing the upper part of the first screen body is formed on the first splicing assembly;

at least one second screen body;

the second splicing assembly is arranged on the second screen body, and a second hanging surface and a third hanging surface which face opposite to each other are formed on the second splicing assembly; the second hanging surface and the first hanging surface can be hung, matched and matched along the gravity direction, or the third hanging surface and the first hanging surface can be hung, matched and matched along the gravity direction, so that the second screen body is hung and connected on the first screen body.

In a second aspect, there is provided an intelligent blackboard, including:

a tiled screen as described above.

The utility model has the advantages that: the spliced screen is characterized in that a first hanging surface facing upwards is arranged on a first screen body, a second hanging surface and a third hanging surface facing oppositely are arranged on a second screen body, so that the second screen body can be matched with the first hanging surface through the hanging of the second hanging surface and the hanging of the third hanging surface and the first hanging surface and hung on the first screen body in a hanging and matching mode regardless of a state that the second screen body is in a normal mounting state or a reverse mounting state after 180-degree rotation;

in the application of wisdom blackboard, adopt the structural scheme of concatenation screen, can realize sharing between each second screen body, the vice screen in left side or the vice screen in right side on the first screen body can be done concurrently to same second screen body to can omit the processing differentiation to vice screen about the wisdom blackboard, reduce complete machine material kind, solve later stage packing compounding and make mistakes and adorn the problem that can't make up the concatenation even in the misloading in the rear end assembly that leads to.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is a schematic structural view of a spliced screen and a smart blackboard according to an embodiment of the present invention;

FIG. 2 is an exploded view of the splicing screen and the intelligent blackboard according to the embodiment of the present invention;

fig. 3 is a second exploded view of the spliced screen and the intelligent blackboard according to the embodiment of the present invention;

fig. 4 is an exploded view of the first splicing assembly and the second splicing assembly according to the embodiment of the present invention;

fig. 5 is an exploded view of the second splicing assembly and the first splicing assembly according to the embodiment of the present invention;

fig. 6 is one of the hanging state cross-sectional views of the first splicing assembly and the second splicing assembly according to the embodiment of the present invention;

fig. 7 is one of the separated cross-sectional views of the first splicing assembly and the second splicing assembly according to the embodiment of the present invention;

fig. 8 is a third exploded view of the first and second splicing assemblies according to the embodiment of the present invention;

fig. 9 is a fourth exploded view of the first and second splicing assemblies according to the embodiment of the present invention;

fig. 10 is a second cross-sectional view illustrating a hanging state of the first splicing assembly and the second splicing assembly according to the embodiment of the present invention;

fig. 11 is a second cross-sectional view of the first and second splicing assemblies according to the embodiment of the present invention in a separated state;

fig. 12 is a schematic structural view of the second splicing assembly according to the embodiment of the present invention;

fig. 13 is a schematic view illustrating a locking position of the first and second locking members according to the embodiment of the present invention;

fig. 14 is a schematic view illustrating the first and second locking members in an unlocked position according to the embodiment of the present invention.

In the figure: 10. a first screen body; 11. a frame component; 111. a first mounting side; 12. a panel module; 20. a first splice assembly; 21. a first hanging surface; 22. a first base; 221. a first locking member; 2211. a locking groove; 23. a first hanging part; 231. a first limit post; 232. a first stopper; 2321. A first limiting surface; 233. a first hanging plate; 2331. a limiting groove; 2332. an opening; 30. a second screen body; 31. a second mounting side; 40. a second splice assembly; 41. a second hanging surface; 42. a third hanging and erecting surface; 43. a second base; 431. a first mounting portion; 4311. a first mounting hole; 432. a second lock; 4321. a pull ring; 44. a second hanging part; 441. a second hanging plate; 4411. a hanging groove; 4412. a notch; 442. a second limit post; 443. a second limiting block; 4431. a second limiting surface; 444. a limiting part.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

This embodiment provides a concatenation screen, and this concatenation screen mainly is applied to the touch-control screen of combination formula, or by the touch-control screen with in the middle of the product that non-touch panel combination formed, and it is many that its effect lies in solving the assembly material kind that the unable sharing of concatenation secondary screen leads to, and the easy compounding of packing makes to the unable problem of assembling of rear end.

As shown in fig. 1-3, the splicing screen of the present embodiment is mainly applied to an intelligent blackboard, and the intelligent blackboard provided generally refers to an apparatus formed by splicing and combining two or more panels with touch operation functions along edges, where the panels may be display devices or handwriting boards and other products with other functions. The intelligent blackboard can be used for electronic display, integrates a touch function, is a touch panel, is an electronic screen suitable for being watched and operated in a short distance instead of a traditional one-way/passive commercial large-size display/projector, is supported by multipoint infrared, optical and other interactive touch and writing technologies, and highly integrates functions of writing, annotating, touch, wireless communication, wireless interactive system interconnection, remote data interaction and the like, so as to provide active/two-way man-machine interaction experience.

At present, a commonly used smart blackboard includes a main screen and an auxiliary screen, the main screen is generally a display screen with a touch function, and the main screen can obtain the position of a touch point through a touch technology, so as to display the touch track of a user on the display screen, and the auxiliary screen can adopt a traditional writing blackboard or a writing board with a touch function according to the selection of the user. Furthermore, the intelligent blackboard operates contents displayed on a display screen, displays touch tracks and realizes man-machine interaction operation through a touch technology, and integrates one or more functions of a projector, a white board, a curtain, a sound box, a television, a video conference terminal and the like. In practical application, the hardware part of the intelligent blackboard main screen is composed of a touch module, a display module, an intelligent processing system and the like, is combined together by an integral structural part, and is supported by a special software system, wherein the display module is matched with the touch module to realize display and touch functions. The user can perform touch operation on the display screen through a finger or a touch pen, the intelligent processing system generates writing handwriting according to the touch operation input by the user and displays the writing handwriting in the display screen, or generates control operation according to the touch operation input by the user to process display content in the display screen.

Certainly, the intelligent blackboard can also be a pure touch panel, which does not have a bidirectional interaction function, and only simply collects the touch track of the user and displays the touch track on the display module.

Specifically, the first screen body 10 of this embodiment includes a frame component 11 and a panel module 12, wherein the frame component 11 is composed of multiple segments of frames connected to each other, the frame component 11 serves as a supporting member of the first screen body 10, the multiple segments of frames are connected in sequence and enclose a mounting area for mounting the panel module 12, the frames can be sheet metal frames or profile frames, generally speaking, the profile frames are mainly formed by metal and plastic extrusion processes, the sheet metal frames can be rolled and bent, and the profile frames can be integrally formed by extrusion processes, the profile frames are adopted in this embodiment, the panel module 12 covers the panel mounting area to provide corresponding functions, and the outer edges of the panel module 12 are correspondingly connected to the frames, that is, the frames are arranged on the periphery of the panel module 12 as a frame structure of the panel module 12.

As shown in fig. 1-3, the intelligent blackboard includes a main screen and at least one auxiliary screen, in the embodiment of a spliced screen, the main screen is defined as a first screen body 10, the auxiliary screen is defined as a second screen body 30, of course, the main screen can also be defined as the second screen body 30, and the auxiliary screen can be defined as the first screen body 10. The intelligent blackboard shown in fig. 1-3 is configured as a first screen 10 and two second screens 30, and the two second screens 30 are respectively assembled on the left and right sides of the first screen 10, where the left and right sides of the first screen 10 are respectively defined as first mounting sides 111, and one side of the second screen 30 (the side for assembling the first screen 10) is defined as second mounting sides 31, and in a state where the first screen 10 and the second screen 30 are assembled, the first mounting sides 111 and the second mounting sides 31 abut against each other, so as to achieve an assembling effect of a gap as small as possible, and finally, the first screen 10 and the second screen 30 are combined to form a whole, it can be understood that the first mounting sides 111 and the second mounting sides 31 may be formed by a frame on the screen (the frame is disposed at the edge of the display module/panel), or may be the edge of the display module/panel (without a frame structure). The first screen 10 can be fixed on a target position, and the second screen 30 is fixed on the target position through a wall-mounted structure, where the target position is a wall or other target device, and the target device can be a bracket or other support structure.

It should be noted that, as shown in fig. 1-3, in the present invention, for the first screen body 10, a direction close to the center of the panel module 12 is an inner side of the first screen body 10, i.e. an "inner" direction indicated by an arrow in the drawing, and a direction away from the center of the panel module 12 is an outer side of each component, i.e. an "outer" direction indicated by an arrow in the drawing; in the usage state of the intelligent blackboard, the side of the panel module 12 facing the user is the front side of each component, i.e. the direction of the arrow in the figure, "front", and the side of the panel module 12 facing away from the user is the back side of each component, i.e. the direction of the arrow in the figure, "back".

In the related art, in the assembling process of the spliced screen and the intelligent blackboard, due to the limitation of the connection structure between the second screen body 30 and the first screen body 10, if the right side auxiliary screen is mistakenly turned over by 180 degrees and is arranged on the left side of the first screen body 10 in an up-down turning manner, the installation of the second screen body 30 cannot be completed, and the left and right auxiliary screens cannot be shared. So, lead to the material variety of concatenation screen and wisdom blackboard many, the problem of the wrong vice screen body of dress when appearing the packing easily, for this reason, this embodiment provides following scheme.

As shown in fig. 4 to 11, in the tiled screen structure of the present embodiment, the first tiled module 20 is mounted on the first screen body 10, the first hanging surface 21 facing the upper portion of the first screen body 10 is formed on the first tiled module 20, and the first hanging surface 21 provides a hanging position for hanging the tiled module on the second screen body 30.

It should be noted that, for the first screen body 10 and the second screen body 30, the front view direction of the first screen body 10 and the second screen body 30 is taken as a reference for describing the specific orientation thereof in the present embodiment, that is, the direction "up" in the present embodiment is a direction in which the upper side, the upper portion, and the like of the complete machine of fig. 1 of the first screen body 10 and the second screen body 30 are located above the apparatus, that is, a "down" direction indicated by an arrow, and the direction "down" in the present embodiment is a direction in which the lower side, the lower portion, and the like of the complete machine of fig. 1 of the first screen body 10 and the second screen body 30 are located below the apparatus, that is, a "down" direction indicated by an arrow; similarly, the direction "left" in the present embodiment is the left side of the first screen body 10, the second screen body 30, or the combination thereof, and the direction "right" is the right side of the spliced screen in the first screen body 10, the second screen body 30, or the combination thereof.

The first hanging surface 21 is arranged to face the upper side of the first screen body 10, and the first screen body 10 can provide a supporting surface for supporting the second screen body 30 along the gravity direction in a use state of a target position, so that hanging and splicing of the second screen body 30 are facilitated.

As shown in fig. 4 to 11, the second screen 30 is provided with the second splicing unit 40, the second hanging surface 41 and the third hanging surface 42 are formed on the second splicing unit 40 in opposite directions, the second hanging surface 41 and the third hanging surface 42 are hung on the first hanging surface 21 so that the second screen 30 can be hung on the first screen 10, and in order to allow the second hanging surface 41 and the third hanging surface 42 to smoothly form hanging engagement during screen splicing, the second hanging surface 41 or the third hanging surface 42 needs to be placed in a state of facing the first hanging surface 21 before the second screen 30 is hung on the first screen 10, and as described above, the second screen 30 is generally hung on the left side or the right side of the first screen 10, and thus, when the first hanging surface 21 faces the upper portion of the first screen 10, the second hanging surface 41 and the third hanging surface 42 face the lower portion of the second screen 30 and the lower portion of the second screen 30, respectively.

By adopting the above arrangement, as long as the upper edges, the lower edges and the front sides of the first screen body 10 and the second screen body 30 are placed in parallel, the second hanging surface 41 or the third hanging surface 42 can be opposite to the first hanging surface 21, so that the second hanging surface 41 and the first hanging surface 21 with opposite directions can be hung and matched along the gravity direction, or the third hanging surface 42 and the first hanging surface 21 with opposite directions can be hung and matched along the gravity direction, so as to hang the second screen body 30 on the first screen body 10. Specifically, in the upright state of the second screen body 30, the first hanging surface 21 and the second hanging surface 41 are in a state of opposite orientation, at this time, the second screen body 30 can be lapped on the first hanging component of the first screen body 10 through the second hanging component, so that the second hanging surface 41 is hung on the first hanging surface 21, the first hanging surface 21 and the second hanging surface 41 are abutted against each other, the first hanging surface 21 supports the second hanging surface 41, and the second mounting side 31 of the second screen body 30 can be spliced on one of the first mounting sides 111 of the first screen body 10. Correspondingly, under the state that the second screen body 30 is rotated 180 degrees and reversely installed, the first hanging and hanging surface 21 and the third hanging and hanging surface 42 are in the state of opposite orientation, at this time, the second screen body 30 can be lapped on the first hanging and hanging component of the first screen body 10 through the second hanging and hanging component, so that the third hanging and hanging surface 42 is hung and hung on the first hanging and hanging surface 21, the first hanging and hanging surface 21 and the third hanging and hanging surface 42 are abutted against each other, the first hanging and hanging surface 21 supports the third hanging and hanging surface 42, and the second installation side 31 of the second screen body 30 can be spliced on the first installation side 111 of the first screen body 10.

The left second screen body 30 and the right second screen body 30 adopt the same screen body structure, however, because the two second screen bodies 30 are respectively arranged at the left side and the right side of the first screen body 10, the second splicing assemblies 40 on the two second screen bodies 30 are respectively matched with the first screen body 10 through the second hanging and lapping surface 41 and the third hanging and lapping surface 42.

In the above, it can be understood that the second hanging surface 41 and the third hanging surface 42 are arranged in opposite directions, including but not limited to the way that the second hanging surface 41 and the third hanging surface 42 are arranged oppositely, the hanging surface on the lower side of the second splicing assembly 40 faces the upper part of the second screen body 30, the hanging surface on the upper side of the second splicing assembly 40 faces the lower part of the second screen body 30, and a way for the first splicing assembly 20 to enter is formed between the two hanging surfaces, so that the first hanging surface 21 is overlapped with the second hanging surface 41 or the third hanging surface 42 according to the arrangement mode of the second screen body 30; the second hanging surface 41 and the third hanging surface 42 are arranged opposite to each other, the hanging surface on the lower side of the second splicing assembly 40 faces the lower part of the second screen body 30, and the hanging surface on the upper side of the second splicing assembly 40 faces the upper part of the second screen body 30.

In the embodiment, the second hanging surface 41 and the third hanging surface 42 with opposite directions are arranged on the second screen body 30, so that the second screen body 30 can be hung and matched with the first hanging surface 21 through the second hanging surface 41 and the third hanging surface 42 is hung and matched with the first hanging surface 21 on the first screen body 10 in a hanging and matching mode after being rotated for 180 degrees, the sharing among the second screen bodies 30 can be realized, the same second screen body 30 can be used as a left side auxiliary screen or a right side auxiliary screen on the first screen body 10, the processing distinguishing of the left and right auxiliary screens of the intelligent blackboard can be omitted, the material types of the whole machine are reduced, and the problem that the wrong installation in the rear end assembly caused by the error of the later-stage packaging mixing materials and even the wrong assembly and the combined splicing cannot be solved.

In this embodiment, the second splicing assembly 40 includes a second base 43, the second base 43 serves as a support of the second splicing assembly 40, one side of the second splicing assembly is mounted on the second screen body 30, the other side of the second base 43 is provided with a second hanging portion 44, and the second hanging portion 44 is connected with the second base 43.

Here, the second hooking portion 44 is for hooking engagement with the first splice assembly 20, and regardless of the configuration, two recessed portions are provided on opposite sides of the second hooking portion 44, respectively, and the recessed portions can be engaged with the first splice assembly 20 by hooking means such as hooking, and the like. An opening is formed on one side of the concave portion, and a second hanging surface 41 and a third hanging surface 42 are respectively formed in the two concave portions, in some embodiments, the openings of the two concave portions are oppositely arranged to form a state that the second hanging surface 41 is opposite to the third hanging surface 42, in this embodiment, the openings of the two concave portions are oppositely arranged to form a state that the second hanging surface 41 is opposite to the third hanging surface 42. The uncovered space that first hanging portion 23 packed into the concave part that provides to make first hanging portion 23 can follow uncovered entering concave part, form with the concave part and articulate the cooperation, and, the concave part be not necessarily for the recess here, its specifically can provide with first articulate not form hang take, buckle etc. cooperation mode spacing function can.

In some embodiments, the recess may be a groove structure that cooperates with the first hanging component to limit the displacement of the first hanging component and the second hanging component by snapping the first hanging component into the groove;

in another embodiment, the recess may be a recess formed by the engagement of other components, and if the second hooking portion 44 is in a hook structure, the recess is formed at a position where the hook is used for hanging the object, so as to provide a function of limiting the insertion and engagement of the first hooking component.

In order to make the structure of the second hanging part 44 simpler and reduce the processing difficulty thereof, the central connecting line between the second hanging surface 41 and the third hanging surface 42 is parallel to the vertical direction of the second screen body 30, so that the two concave parts on the second hanging part 44 are two structural parts which are symmetrically arranged along the vertical direction, and the distance between the second screen body 30 which is normally installed and reversely installed and the first screen body 10 can be kept consistent. The up-down direction is a direction perpendicular to a line connecting the upper edge and the lower edge of the second screen 30.

Further, the first splicing assembly 20 includes a first base 22, the first base 22 serves as a supporting main body of the first splicing assembly 20, one side of the first base 22 is mounted on the first screen body 10, the other side of the first base 22 is provided with a first hanging portion 23, the first hanging portion 23 is connected with the first base 22, the first hanging portion 23 and the first base 22 can be integrated by adopting different processing manners, no specific limitation is made here, and a first hanging surface 21 is formed on the first hanging portion 23.

As shown in fig. 4 to 11, two specific structures of the first hanging portion 23 and the second hanging portion 44 are provided below, and the first hanging portion 23 and the second hanging portion 44 are respectively configured as a splicing hook and a splicing hook slot matched with the splicing hook.

As shown in fig. 4-7, in one embodiment, the first hanging portion 23 is a split hook, and the second hanging portion 44 is provided with a split hook slot. In this embodiment, the first hanging portion 23 includes a first limiting pillar 231, a first end of the first limiting pillar 231 is connected with the first base 22, and a cylindrical surface of the first limiting pillar 231 forms a first hanging surface 21, where the first limiting pillar 231 extends out of the surface of the first base 22, and an extending direction of the first limiting pillar 231 is preferably balanced with an upper edge or a lower edge of the first screen 10 in a length direction, and in this state, a side surface of the first limiting pillar 231 near the upper portion of the first screen 10 forms the first hanging surface 21 for supporting the second hanging portion 44. A first limiting block 232 is disposed at the second end of the first limiting column 231, one side of the first limiting block 232 protrudes out of the first limiting column 231, so that the first hanging portion 23 forms a hook structure, and a first limiting surface 2321 disposed adjacent to the first hanging surface 21 is formed at one side of the first limiting block 232 close to the first base 22.

In order to allow the second hanging portion 44 to be stably hung on the first hanging portion 23 forming the hook structure, the second hanging portion 44 includes a second hanging plate 441, the second hanging plate 441 is connected to the second base 43, and two hanging grooves 4411 are formed on the second hanging plate 441, where the formed hanging grooves 4411 are the above-mentioned concave portions, and the two hanging grooves 4411 can be arranged on the second hanging plate 441 or back on the second hanging plate 441.

In order to improve the stability of the hanging, the hanging grooves 4411 penetrate through the two opposite side surfaces of the second hanging plate 441, and the plate edge of the second hanging plate 441 is provided with two notches 4412 corresponding to the hanging grooves 4411, it can be understood that the number of the notches 4412 is the same as that of the hanging grooves 4411, and the two notches 4412 and the two hanging grooves 4411 are arranged in a one-to-one correspondence manner, so that one end of the hanging groove 4411 is in open communication with the external environment. The hanging groove 4411 can provide a space for the first limiting column 231 to be installed, in the process of splicing the panels, the corresponding hanging groove 4411 has a notch 4412 facing downward, so that the first limiting column 231 is placed into the corresponding hanging groove 4411 from bottom to top through the notch 4412, the first overlapping surface on the upper portion of the first limiting column 231 can abut against the second overlapping surface or the third overlapping surface on the bottom of the hanging groove 4411, in this way, the first limiting block 232 and the first base 22 are respectively arranged on two opposite sides of the second hanging plate 441, and the first limiting surface 2321 is used for matching with the second hanging plate 441 to limit the first limiting block 232 from falling off the hanging groove 4411. In order to achieve the effective limiting effect, the length of the first limiting column 231 needs to be greater than the thickness of the second hanging plate 441, and meanwhile, the first limiting surface 2321 needs to be greater than the width of the hanging groove 4411, so that when the first limiting column 231 is perpendicular to the second hanging plate 441 and is placed into the hanging groove 4411, the first base 22 and the first limiting block 232 at the two ends of the first limiting column 231 can be respectively placed on the two opposite side surfaces of the second hanging plate 441, and the first limiting surface 2321 can also be abutted to the second hanging plate 441. The first base 22 can be matched with one side surface of the second hanging plate 441, the first limiting surface 2321 of the first limiting block 232 can be matched with the other side surface of the second hanging plate 441 to limit the movement of the first splicing assembly 20 and the second splicing assembly 40 in the inward and outward directions, and the first hanging surface 21 of the first limiting column 231 can limit the movement of the second hanging assembly in the downward direction through the matching with the second hanging surface 41 or the third hanging surface 42 in the hanging groove 4411, so that the stable hanging connection between the first screen body 10 and the second screen body 30 is achieved.

Further, in the structure of the hooking groove 4411, in order to facilitate the installation of the first limiting post 231 and limit the radial movement of the first limiting post 231 after the first limiting post 231 is installed in the hooking groove 4411, the hooking groove 4411 is gradually narrowed from one end close to the notch 4412 to the groove bottom, so that the notch 4412 with a larger width can facilitate the installation of the first limiting post 231, and after the first limiting post 231 reaches the groove bottom, the first limiting post 231 can be prevented from having excessive displacement by the relatively narrow hooking groove 4411 structure.

As shown in fig. 8-11, in another embodiment, the first hanging portion 23 is formed with a split hook slot, and the second hanging portion 44 is a split hook. In this embodiment, the first hanging part 23 includes a first hanging plate 233, the first hanging plate 233 is connected to the first base 22, the first hanging plate 233 is provided with a limiting groove 2331 having an opening 2332 facing the upper portion of the first screen 10, and the limiting groove 2331 penetrates through opposite side surfaces of the first hanging plate 233 and forms a first hanging surface 21 at the bottom of the groove.

The second hanging portion 44 includes a second limiting post 442, a first end of the second limiting post 442 is connected to the second base 43, wherein the first limiting post 231 extends out of the surface of the first base 22, and an extending direction of the first limiting post 231 is preferably balanced with an upper edge or a lower edge of the first screen 10 along a length direction, and in this state, as shown in fig. 11, the second limiting post 442 is adjacent to upper and lower surfaces of the second screen 30 to form a second hanging surface 41 and a third hanging surface 42 for hanging the first hanging portion 23, wherein the second limiting post 442 extends out of the surface of the first base 22, and an extending direction of the second limiting post 442 is preferably balanced with an upper edge or a lower edge of the second screen 30 along a length direction, a second limiting block 443 is disposed on a second end of the second limiting post 442, and opposite sides of the second limiting block 443 protrude out of the second limiting post 442, the second engaging portion 44 is formed in a substantially T-shaped hook structure, and the second limiting block 443 is formed on a side close to the second base 43 and is respectively formed with a second limiting surface 4431 adjacent to the second engaging surface 41 or the third engaging surface 42, it can be understood that the second limiting surface 4431, the second limiting post 442 and the second base 43 cooperate to define a limiting portion 444, in this embodiment, the limiting portion 444 is defined as the above-mentioned concave portion, the second limiting post 442 and the second limiting block 443 are both cylindrical, and the diameter of the second limiting block 443 is larger than that of the second limiting post 442, so that the second limiting block 443 can protrude out of the second limiting post 442 to form a concave portion, and with this structure, the second engaging surface 41 and the third engaging surface 42 are disposed on opposite sides of the second limiting post 442.

In order to improve the hanging stability, the limiting groove 2331 provides a space for the second limiting column 442 to be inserted into, during the splicing process of the panels, the opening 2332 of the corresponding limiting groove 2331 faces upward, so that the second limiting column 442 is inserted into the corresponding limiting groove 2331 through the opening 2332 from top to bottom, the second lapping surface or the third lapping surface located at the lower part of the second limiting column 442 abuts against the first lapping surface at the bottom of the limiting groove 2331, thus, the second limiting block 443 and the second base 43 are respectively located at the two opposite sides of the first hanging plate 233, and the second limiting surface 4431 is used for cooperating with the first hanging plate 233 to limit the second limiting block 443 from being detached from the hanging groove 4411. In order to achieve the effective limiting effect, the length of the second limiting column 442 needs to be greater than the thickness of the first hanging plate 233, and meanwhile, the second limiting surface 4431 needs to be greater than the width of the limiting groove 2331, so that when the second limiting column 442 is perpendicular to the first hanging plate 233 and is placed in the limiting groove 2331, the second base 43 and the second limiting block 443 at the two ends of the second limiting column 442 can be respectively placed on the two opposite side surfaces of the first hanging plate 233, and the second limiting surface 4431 can also abut against the second hanging plate 441. The second base 43 can be matched with one side surface of the first hanging plate 233, the second limiting surface 4431 of the second limiting block 443 can be matched with the other side surface of the first hanging plate 233 to limit the movement of the first splicing assembly 20 and the second splicing assembly 40 in the inward and outward directions, and the second hanging surface 41 or the third hanging surface 42 of the second limiting column 442 can limit the movement of the second hanging assembly in the downward direction through matching with the first hanging surface 21 in the limiting groove 2331, so that stable hanging connection between the first screen body 10 and the second screen body 30 is achieved, and the second limiting block 443 is prevented from being separated from the limiting groove 2331.

As shown in fig. 12, in order to improve the installation stability of the second splicing assembly 40 on the sub-screen, three sets of first installation portions 431 are provided on the second base 43, the connecting lines between the three sets of first installation portions 431 are triangular, and three sets of second installation portions (not shown) are provided on the second screen body 30, and the positions of the second installation portions respectively correspond to the positions of the first installation portions 431, so that the first installation portions 431 and the second installation portions can be fixedly connected through connecting pieces.

The mounting portions arranged in a triangular shape can save the processing amount of the mounting portions while ensuring the mounting stability of the second base 43 on the sub-screen.

Specifically, one of the first mounting portions 431 is disposed at one end of the second base 43 close to the second hanging portion 44, and the other two first mounting portions 431 are disposed at one end of the second base 43 far from the second hanging portion 44 and are respectively located at upper and lower sides of the second hanging portion 44.

Further, the first installation portion 431 includes a plurality of first installation holes 4311, the second installation portion includes a plurality of second installation holes, between the first installation portion 431 and the second installation portion that correspond to each other, the hole site of each first installation hole 4311 and the hole site one-to-one corresponding position of each second installation hole.

In practical application, the first mounting hole 4311 and the second mounting hole can be locked and attached by screws, and a plurality of mounting holes are arranged, so that the mounting holes can be replaced for use after being worn and torn on the second base 43, and the service life of the component is prolonged.

As shown in fig. 13 to 14, in order to further improve the connection stability between the first screen body 10 and the second screen body 30, after the first screen body 10 and the second screen body 30 are formed into a hanging position, the first screen body 10 and the second screen body 30 are further connected and fixed, the first splicing assembly 20 of the present embodiment further includes a first locking member 221, the first locking member 221 is disposed on the first base 22, correspondingly, the second splicing assembly 40 further includes a second locking member 432, the second locking member 432 is disposed on the second base 43, and in a state where the second screen body 30 is hung on the first screen body 10, the first locking member 221 and the second locking member 432 are in a state of being disposed oppositely.

It can be understood that the first locking member 221 and the second locking member 432 include a locking position and an unlocking position, and in the locking position, the first locking member 221 and the second locking member 432 cooperate to limit the relative movement of the first splicing assembly 20 and the second splicing assembly 40, so as to ensure the reliable connection of the first screen body 10 and the second screen body 30.

Referring to fig. d, in an embodiment of the intelligent blackboard of the present invention, the first locking member 221 is a hook, and a locking groove 2211 is formed between the hook and the first base 22; the second latch member 432 includes a pull ring 4321 pivotally coupled to the second base 43. By rotating the pull ring 4321, a portion of the pull ring 4321 is locked into the locking groove 2211, so that the pull ring 4321 is locked to the hook, and the first locking member 221 and the second locking member 432 are connected. When the locking is required to be released, the pull ring 4321 is rotated to make the pull ring 4321 disengage from the hook, so that the first locking member 221 and the second locking member 432 can be disconnected.

In the case that the first splicing assembly 20 is disposed at two opposite ends of the first mounting side 111, and the second splicing assembly 40 is disposed at two opposite ends of the second mounting side 31, the first locking member 221 and the second locking member 432 are correspondingly disposed at two opposite ends of the first mounting side. So set up, the upper and lower both ends of first installation side 111 and second installation side 31 all can carry out the overlap joint location and connect fixedly through this first concatenation subassembly 20, can realize the reliable assembly between the first screen body 10 and the second screen body 30.

In conclusion, the splicing screen of the embodiment can share the second screen body 30 (the auxiliary screen), the left auxiliary screen and the right auxiliary screen do not need to be distinguished in the processes of front-stage processing, later-stage packaging and installation, the quantity of assembling materials of the whole equipment is reduced, and the problem that the later-stage assembling cannot be carried out due to the fact that the packaging mixed materials are packaged is avoided.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (12)

1. A tiled screen, comprising:

a first screen body (10);

the first splicing assembly (20) is installed on the first screen body (10), and a first hanging surface (21) facing to the upper part of the first screen body (10) is formed on the first splicing assembly (20);

at least one second screen (30);

a second splicing assembly (40) which is installed on the second screen body (30), wherein a second hanging surface (41) and a third hanging surface (42) which face opposite to each other are formed on the second splicing assembly (40); the second hanging surface (41) and the first hanging surface (21) can be hung, matched and matched along the gravity direction, or the third hanging surface (42) and the first hanging surface (21) can be hung, matched and matched along the gravity direction, so that the second screen body (30) is hung and connected on the first screen body (10).

2. The tiled screen of claim 1, wherein the second tiled assembly (40) comprises:

a second base (43) mounted to the second screen body (30);

a second hanging part (44) connected with the second base (43), two opposite sides of the second hanging part (44) are respectively provided with two concave parts, one side of each concave part is provided with an open opening, and the second hanging surface (41) and the third hanging surface (42) are respectively formed in the two concave parts;

the opening provides a space for the first hanging part (23) to be installed in the concave part, so that the first hanging part (23) can enter the concave part from the opening and form hanging matching with the concave part.

3. The splicing screen of claim 1 or 2, wherein a connecting line between the middle part of the second hanging surface (41) and the middle part of the third hanging surface (42) is parallel to the vertical direction of the second screen body (30).

4. The tiled screen of claim 2, wherein the first tiled assembly (20) includes:

a first base (22) mounted to the first screen body (10);

a first hanging part (23) connected with the first base (22), wherein the first hanging part (23) is provided with the first hanging surface (21);

first hitching part (23) with second hitching part (44) are configured into respectively to assemble the couple and with assemble couple assorted and assemble the hook groove, work as first hitching part (23) be when assembling the couple, second hitching part (44) are seted up assemble the hook groove, work as first hitching part (23) are seted up when assembling the hook groove, second hitching part (44) be assemble the couple.

5. Splicing screen according to claim 4, wherein when the first hooking portion (23) is the splicing hook and the second hooking portion (44) is provided with the splicing hook slot, the first hooking portion (23) comprises:

a first limit column (231), the first end of which is connected with the first base (22), and the surface of the first limit column (231) forms the first hanging surface (21);

the first limiting block (232) is connected with the second end of the first limiting column (231), one side of the first limiting block (232) protrudes out of the first limiting column (231), and a first limiting surface (2321) which is adjacent to the first hanging surface (21) is formed on one side close to the first base (22);

the second hanging portion (44) includes:

the second hanging plate (441) is connected with the second base (43), two hanging connecting grooves (4411) are formed in the second hanging plate (441), the hanging connecting grooves (4411) penetrate through two opposite side faces of the second hanging plate (441), and notches (4412) corresponding to the hanging connecting grooves (4411) are formed in the plate edge of the second hanging plate (441);

the hanging groove (4411) provides a space for the first limiting column (231) to be arranged in, so that the first limiting block (232) and the first base (22) can be arranged on two opposite sides of the second hanging plate (441) respectively, and the first limiting surface (2321) is used for being matched with the second hanging plate (441) to limit the first limiting block (232) to be separated from the hanging groove (4411).

6. Spliced screen according to claim 4, characterized in that when the first hitching section (23) is provided with the splicing hook groove and the second hitching section (44) is the splicing hook, the first hitching section (23) comprises:

the first hanging plate (233) is connected with the first base (22), a limiting groove (2331) with an opening (2332) facing the upper part of the first screen body (10) is formed in the first hanging plate (233), and the limiting groove (2331) penetrates through two opposite side surfaces of the first hanging plate (233) and forms the first hanging face (21) at the groove bottom;

the second hanging portion (44) includes:

a second limit column (442), a first end of which is connected to the second base (43), and two opposite side surfaces of the second limit column (442) form the second hanging surface (41) and the third hanging surface (42), respectively;

the second limiting block (443) is connected with the second end of the second limiting column (442), two opposite sides of the second limiting block (443) protrude out of the second limiting column (442), a second limiting surface (4431) which is adjacent to the second hanging surface (41) or the third hanging surface (42) is respectively formed on one side of the second limiting block (443) close to the second base (43), and the second limiting surface (4431), the second limiting column (442) and the second base (43) are matched to define a limiting part (444);

the limiting groove (2331) provides a space for the second limiting column (442) to be installed in, so that the second limiting block (443) and the second base (43) can be respectively arranged on two opposite sides of the first hanging plate (233), and the second limiting surface (4431) is used for being matched with the first hanging plate (233) to limit the second limiting block (443) to be separated from the limiting groove (2331).

7. Spliced screen according to any of claims 2 and 4-6, characterized in that the second base (43) is provided with three sets of first mounting portions (431), and the connecting lines between the three sets of first mounting portions (431) are triangular;

the second screen body (30) is provided with three groups of second installation parts, and the positions of the second installation parts correspond to the positions of the first installation parts (431) respectively, so that the first installation parts (431) are fixedly connected with the second installation parts through connecting pieces.

8. The tiled screen of claim 7 wherein one of the first mounting portions (431) is disposed at an end of the second base (43) proximate to the second hanging portion (44);

the other two first installation parts (431) are arranged at one end, far away from the second hanging part (44), of the second base (43) and are respectively positioned at the upper side and the lower side of the second hanging part (44).

9. The tiled screen of claim 7, wherein the first mounting portion (431) includes a plurality of first mounting holes (4311) and the second mounting portion includes a plurality of second mounting holes;

the positions of the hole sites of the first mounting holes (4311) and the hole sites of the second mounting holes are in one-to-one correspondence between the correspondingly arranged first mounting parts (431) and the correspondingly arranged second mounting parts.

10. The tiled screen of any of claims 4-6, wherein the first tiled assembly (20) further comprises:

a first lock (221) provided to the first base (22);

the second splice assembly (40) further comprises:

a second lock member (432) provided to the second base (43), wherein the first lock member (221) and the second lock member (432) are provided to be opposed to each other in a state where the second screen body (30) is hung on the first screen body (10);

the first locking piece (221) and the second locking piece (432) comprise a locking position and an unlocking position, and in the locking position state, the first locking piece (221) and the second locking piece (432) are matched with each other to limit the relative movement of the first splicing assembly (20) and the second splicing assembly (40).

11. An intelligent blackboard, comprising:

a tiled screen according to any of claims 1-10.

12. The intelligent blackboard according to claim 11, characterised in that each of said spliced screens comprises one of said first screen (10) and two of said second screen (30); the left side and the right side of the first screen body (10) are respectively provided with a first mounting side edge (111), and one side of the second screen body (30) is provided with a second mounting side edge (31);

the two opposite ends of the first mounting side (111) are respectively provided with the first splicing assemblies (20), and the two opposite ends of the second mounting side (31) are respectively provided with the second splicing assemblies (40).

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