CN220904508U - Interconnection blackboard - Google Patents

Abstract

The application provides an interconnection blackboard which comprises a display device, a first writing board, a second writing board and a frame, wherein the first writing board is arranged on the display device; the first writing board is arranged on at least one side of the display device and is fixedly arranged in the frame with the display device, the second writing board is connected to the frame through a sliding structure so that the second writing board slides between a first position and a second position, the second writing board is positioned on the front side of the display device when in the first position, and the second writing board is positioned on the front side of the first writing board when in the second position. The frame includes the first frame that is located display device and first writing board top to and the second frame that is located display device and first writing board bottom, and sliding structure includes first sliding structure and second sliding structure, and second writing board and first frame are connected to first sliding structure, and second writing board and second frame are connected to second sliding structure. The interconnected blackboard provided by the application is simpler and quicker to install and operate, and has lower production cost.

Description

Interconnection blackboard

Technical Field

The application relates to the technical field of multimedia, in particular to an interconnection blackboard.

Background

At present, multimedia technology is widely applied to various scenes such as education and teaching, office conferences and the like, and particularly in the field of education and teaching, the development of multimedia technology enables the traditional teaching mode to be rich and diversified. The interconnection blackboard is one of important products in the development of multimedia teaching.

The existing interconnection blackboard is mostly a push-pull blackboard, and comprises a display screen and a fixed writing board which are positioned on the same plane, and a push-pull interconnection writing board positioned on the front sides of the display screen and the fixed writing board. However, the push-pull type interconnecting blackboard in the related art requires a combination frame provided at the outer peripheral sides of the display screen, the fixed writing board and the push-pull type interconnecting writing board, and movement of the push-pull type interconnecting writing board is achieved by providing a rail on the combination frame. Thus, the manner of providing the combined outer frame increases the overall weight and production cost of the interconnected blackboard, and the installation operation is complicated.

Disclosure of utility model

The embodiment of the application provides an interconnection blackboard which is used for solving the problems of complex installation and higher cost of the interconnection blackboard in the related technology.

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

The embodiment of the application provides an interconnection blackboard which comprises a display device, a first writing board, a second writing board and a frame, wherein the first writing board is arranged on the display device; the first writing board is arranged on at least one side of the display device and is fixedly arranged in the frame with the display device, the second writing board is connected to the frame through a sliding structure, so that the second writing board slides between a first position and a second position, the second writing board is positioned on the front side of the display device when in the first position, and the second writing board is positioned on the front side of the first writing board when in the second position. The frame includes being located display device with the first frame at first clipboard top and being located display device with the second frame at first clipboard bottom, sliding structure includes first sliding structure and second sliding structure, first sliding structure connects the second clipboard with first frame, second sliding structure connects the second clipboard with the second frame.

According to the interconnection blackboard provided by the embodiment of the application, the first sliding structure and the second sliding structure are respectively arranged at the upper position and the lower position of the second writing board, so that the second writing board can horizontally slide relative to the display device and the first writing board. Like this, need not to set up the combination frame of taking the slide rail again in order to install display device, first clipboard, second clipboard and frame jointly to inside the combination frame, only need through first sliding structure and second sliding structure can accomplish the slidable mounting of second clipboard for installation operation is simple swift more, and omits the combination frame and can simplify the holistic structure of interconnection blackboard, reduced whole weight, and then be favorable to reducing manufacturing cost.

In some embodiments, the first sliding structure includes a first bracket, a first sliding member fixed to one end of the first bracket, and a first sliding rail mounted on the first frame, the first sliding member is slidably disposed inside a track of the first sliding rail, and the other end of the first bracket is connected to a back side of the second writing board; the second sliding structure comprises a second sliding rail arranged on the second frame, a second bracket connected between the second writing board and the second sliding rail, and a second sliding piece fixed on the second bracket, wherein the second sliding piece is in sliding fit with the second sliding rail.

Through adopting above-mentioned technical scheme, be favorable to reducing maintenance cost, simultaneously for the writing surface of second clipboard can keep vertical not inclined, is favorable to improving the stability of second clipboard in the slip in-process.

In some embodiments, a limiting baffle is disposed on the first frame, and the limiting baffle is located at two ends of the first sliding rail along the extending direction of the first frame, and a stop wall abutted to the side wall of the first bracket is disposed on the limiting baffle.

Through adopting above-mentioned technical scheme, can guarantee that first slider is located the track inside of first slide rail all the time, be favorable to improving the stability of second clipboard and the holistic operational reliability of interconnection blackboard.

In some embodiments, a magnetic member is disposed between the side wall and the stop wall.

By adopting the technical scheme, the second writing board is kept stable under the action of magnetic force, and the second writing board is prevented from shaking or moving in the writing process.

In some embodiments, the first bracket includes a bracket body and a buffer member, the buffer member is disposed between the bracket body and the limiting stop piece, and is disposed adjacent to the bracket body along an extension direction of the first frame, and the buffer member is configured to abut against the stop wall.

Through adopting above-mentioned technical scheme, effectively prevented that the support body from producing deformation or not hard up because of many times collision, be favorable to improving the connection stability of second clipboard to and the life of extension product.

In some embodiments, the limit stopper has a first wall and a second wall extending along an extending direction of the first rim, and the stopper wall connected between the first wall and the second wall, and the buffer is configured to slidably extend into a first space formed between the first wall and the stopper wall and abut against the stopper wall.

Through adopting above-mentioned technical scheme, not only increased the intensity of backstop wall, make it be difficult for producing crooked or warp when bumping, can avoid the bolster to remove to the one side of keeping away from first frame along the direction of height moreover, be favorable to improving holistic job stabilization nature of product.

In some embodiments, the first wall is provided with an elastic piece, the elastic piece is bent to a side close to the first space, and the elastic piece is contacted with the top wall of the buffer piece to provide a sliding damping force.

By adopting the technical scheme, the buffer piece and the stop wall can be prevented from being impacted violently due to overlarge pushing force applied by a user, so that the loss of the product in the use process is reduced, and the service life of the product is prolonged.

In some embodiments, the second sliding rail is a sliding sheet extending along the height direction of the second writing board to a side far away from the second frame, the second sliding piece comprises a first sliding part and a second sliding part protruding towards one side of the second sliding rail, a sliding groove is formed between the first sliding part and the second sliding part, and the sliding groove is in sliding fit with the sliding sheet.

By adopting the technical scheme, the production and processing efficiency is improved, a certain limiting effect can be achieved on the second writing board along the front-back direction, and the second writing board is prevented from shifting forwards or backwards in the sliding process.

In some embodiments, the chute has a first chute wall and a second chute wall disposed opposite each other, the first chute wall and the second chute wall being substantially parallel planes.

By adopting the technical scheme, the sliding contact area is increased, the sliding friction force is increased, and the stable sliding of the second writing board is realized.

In some embodiments, the interconnected blackboard further includes a drag chain; the interior of the drag chain is used for the electrical connection line between the second writing board and the display device to pass through; the fixed end of the drag chain is connected to the back side of the first writing board, and the movable end of the drag chain is connected to the first bracket.

Through adopting above-mentioned technical scheme, can prevent to produce the electric connection line in the slip in-process and drag or damage, effectively guaranteed the normal work of interconnection blackboard, be favorable to reducing product loss and extension product life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an interconnect blackboard in some embodiments of the present application;

FIG. 2 is a cross-sectional view of the interconnect blackboard of FIG. 1 at A-A in some embodiments of the present application;

FIG. 3 is a partial enlarged view at B in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

FIG. 5 is a top view of the interconnect blackboard of FIG. 1 in some embodiments of the present application;

FIG. 6 is a bottom view of the interconnect blackboard of FIG. 1 in some embodiments of the application;

FIG. 7 is a schematic diagram of an interconnect blackboard in some embodiments of the present application;

FIG. 8 is a schematic view of a partial structure of the top of an interconnect blackboard in some embodiments of the present application;

FIG. 9 is a schematic view of a first bracket according to some embodiments of the present application;

FIG. 10 is a schematic view illustrating a structure of a limiting block according to some embodiments of the present application;

fig. 11 is a schematic structural view of a second bracket according to some embodiments of the present application.

Wherein, each reference sign in the figure: a sliding structure 10; a display device 1; a first writing board 2; a wall-hanging bracket 21; a second writing board 3; a frame 4; a first frame 41; a second frame 42; a first sliding structure 5; a first bracket 51; a holder body 511; a buffer 512; a top wall 5121; a sidewall 513; a first slide rail 52; a first slider 53; a second sliding structure 6; a second slide rail 61; a second bracket 62; a second slider 63; a first slide 631; a second sliding portion 632; a chute 633; a first groove wall 6331; a second slot wall 6332; a limit baffle 7; a stopper wall 71; a first wall 72; a second wall 73; a first space 74; an elastic sheet 75; a magnetic member 8; a drag chain 9; a fixed end 91; a movable end 92.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "side," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present application and simplify the description, 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 therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1 to 6, fig. 1 is a front view of an interconnection blackboard in some embodiments of the present application, fig. 2 is a cross-sectional view of the interconnection blackboard in some embodiments of the present application in fig. 1 at A-A, fig. 3 is a partially enlarged view at B in fig. 2, fig. 4 is a partially enlarged view at C in fig. 2, fig. 5 is a top view of the interconnection blackboard in some embodiments of the present application in fig. 1, and fig. 6 is a bottom view of the interconnection blackboard in some embodiments of the present application in fig. 1. The interconnected blackboard comprises a display device 1, a first writing board 2, a second writing board 3 and a frame 4.

The first writing board 2 is disposed on at least one side of the display device 1 and is fixedly mounted in the frame 4 with the display device 1, and the second writing board 3 is connected to the frame 4 through a sliding structure 10, so that the second writing board 3 slides between a first position and a second position, the second writing board 3 is located on the front side of the display device 1 in the first position, and the second writing board 3 is located on the front side of the first writing board 2 in the second position. That is: the first writing board 2 may be located on one side of the display device 1, or may be located on the left and right sides of the display device 1, and the specific number may be set according to the actual situation. The movable second writing board 3 may be flexibly arranged to one or two in accordance with the number of the first writing boards 2, for example, the first writing boards 2 are arranged on the left and right sides of the display device 1 as shown in the figure, and the second writing boards 3 are also arranged to two.

When the interconnection blackboard is used, and when the display device 1 is needed to display, the two second writing boards 3 are slid to the front sides of the first writing boards 2 on the left side and the right side (when the second writing boards 3 are positioned at the second position); when it is not necessary to display by the display device 1, the two second writing boards 3 can be slid to the front side of the display device 1 to cover the display screen of the display device 1 (when the second writing boards 3 are in the first position).

Wherein, there is an electrical connection between the second writing board 3 and the display device 1, that is: the second tablet 3 may be used as a normal tablet or as a smart tablet for interconnection with the display device 1.

The frame 4 includes a first frame 41 positioned on top of the display device 1 and the first writing board 2, and a second frame 42 positioned on bottom of the display device 1 and the first writing board 2, the sliding structure 10 includes a first sliding structure 5 and a second sliding structure 6, the first sliding structure 5 connects the second writing board 3 and the first frame 41, and the second sliding structure 6 connects the second writing board 3 and the second frame 42.

According to the interconnection blackboard provided by the embodiment of the application, the first sliding structure 5 and the second sliding structure 6 are respectively arranged at the upper position and the lower position of the second writing board 3, so that the second writing board 3 can horizontally slide relative to the display device 1 and the first writing board 2. Like this, need not to set up the combination frame of taking the slide rail again in order to install display device 1, first writing board 2, second writing board 3 and frame 4 jointly to inside the combination frame, only need through first sliding structure 5 and second sliding structure 6 can accomplish the slidable mounting of second writing board 3 for the installation operation is more simple and fast, and omits the whole structure of interconnection blackboard, reduced whole weight, and then be favorable to reducing manufacturing cost to the combination frame can simplify.

As shown in fig. 3 to 6, in some embodiments, the first sliding structure 5 includes a first bracket 51, a first sliding member 53 fixed to one end of the first bracket 51, and a first sliding rail 52 mounted on the first frame 41, the first sliding member 53 is slidably disposed inside a track of the first sliding rail 52, and the other end of the first bracket 51 is connected to the back side of the second writing board 3. The second sliding structure 6 includes a second sliding rail 61 mounted on the second frame 42, a second bracket 62 connected between the second writing board 3 and the second sliding rail 61, and a second sliding member 63 fixed on the second bracket 62, and the second sliding member 63 is slidably engaged with the second sliding rail 61.

By the arrangement, firstly, the first sliding structure 5 and the second sliding structure 6 are respectively arranged as a combination of a plurality of parts, so that when faults occur in the working process, only the fault parts need to be overhauled or replaced, and the maintenance cost is reduced; second, the first bracket 51 and the second bracket 62 act simultaneously, and can limit the second writing board 3 in the front-rear direction as shown in fig. 2, so that the writing surface of the second writing board 3 can keep vertical and not inclined, and meanwhile, the stability of the second writing board 3 in the sliding process is improved.

As shown in fig. 5 and 6, the number of the first brackets 51 and the second brackets 62 on each second writing board 3 is at least 2, and may be set to be greater than 2, so as to ensure the connection stability of the second writing board 3; in addition, the number of the second writing boards 3 is 2 in the drawing, and the first sliding rail 52 and the second sliding rail 61 are arranged in 2 segments accordingly, but the invention is not limited thereto, and for example, the first sliding rail 52 and the second sliding rail 61 may be arranged in one or more segments, and may be specific according to the actual situation.

As shown in fig. 3, in some embodiments, the first sliding member 53 is a pulley, but is not limited thereto, and for example, the first sliding member 53 may be provided as a slider, which is not particularly limited herein.

Fig. 7 to 10 show, fig. 7 is a schematic structural diagram of an interconnection blackboard in some embodiments of the present application, fig. 8 is a schematic partial structural diagram of a top portion of the interconnection blackboard in some embodiments of the present application, fig. 9 is a schematic structural diagram of a first bracket in some embodiments of the present application, and fig. 10 is a schematic structural diagram of a limit stop in some embodiments of the present application. In some embodiments, the first frame 41 is provided with a limiting baffle 7, the limiting baffle 7 is located at two ends of the first sliding rail 52 along the extending direction of the first frame 41, and the limiting baffle 7 is provided with a stopping wall 71 abutting against the side wall 513 of the first bracket 51. That is: the sliding distance of the second writing board 3 is limited by the abutment of the movable first bracket 51 with the stop wall 71 on the fixed stop block 7 during the sliding of the second writing board 3 along the extending direction of the first frame 41.

Through setting up spacing separation blade 7, can guarantee that first slider 53 is located the track inside of first slide rail 52 all the time, avoid leading to first slider 53 roll-off first slide rail 52 because of not having the restriction, be favorable to improving the holistic operational reliability of stability and interconnection blackboard of second clipboard 3.

Of course, the positions of the limiting blocking pieces 7 are not limited to the two ends of each section of the first sliding rail 52, and the positions of the limiting blocking pieces 7 can be flexibly adjusted according to the sliding distance of the second writing board 3 required by the user, and the limiting blocking pieces 7 can be specifically determined according to practical situations.

As shown in fig. 9 and 10, in some embodiments, a magnetic member 8 is disposed between the side wall 513 and the stop wall 71, and the side wall 513 of the first bracket 51 and the stop wall 71 of the stop flap 7 are attracted to each other by the magnetic member 8. The magnetic member 8 may be a magnet block, a magnetic sheet, a magnetic stripe, or the like, and is not particularly limited herein.

Through such setting, can make between first support 51 and the spacing separation blade 7 adsorb together under the magnetic force effect each other, and then make second clipboard 3 keep stable under the magnetic force effect, be favorable to avoiding second clipboard 3 to produce and rock or remove in writing the in-process.

As shown in fig. 8 to 10, in some embodiments, the first bracket 51 includes a bracket body 511 and a buffer member 512, where the buffer member 512 is disposed between the bracket body 511 and the limiting stop 7 and is disposed adjacent to the bracket body 511 along the extending direction of the first frame 41, and the buffer member 512 is configured to abut against the stop wall 71. That is: the bracket body 511 and the buffer element 512 are both connected to the back side of the second writing board 3, and in the sliding process of the second writing board 3, the buffer element 512 replaces the bracket body 511 to be abutted against the stop wall 71.

Through setting up bolster 512, avoided support body 511 to produce the direct collision with backstop wall 71 in the slip in-process of second clipboard 3, effectively prevented support body 511 and produced deformation or not hard up because of many times collision, be favorable to improving the connection stability of second clipboard 3 to and the life of extension product.

As shown in fig. 8 to 10, in some embodiments, the stopper 7 has a first wall 72 and a second wall 73 extending along the extending direction of the first rim 41, and a stopper wall 71 connected between the first wall 72 and the second wall 73, and the buffer 512 is configured to slidably extend into a first space 74 formed between the first wall 72 and the stopper wall 71 and abut against the stopper wall 71.

By providing the stopper piece 7 in a structure including the first wall 72, the second wall 73 and the stopper wall 71, such a structure increases the strength of the stopper wall 71 so that it is less likely to be skewed or deformed at the time of collision, as compared with the case where only one stopper wall 71 extending in the height direction Z is provided alone; in addition, the first wall 72 is disposed to limit the buffer member 512 along the height direction Z, so as to prevent the buffer member 512 from moving along the height direction Z away from the side of the first frame 41, which is beneficial to improving the overall working stability of the product.

As shown in fig. 9 and 10, in some embodiments, the first wall 72 is provided with an elastic sheet 75, the elastic sheet 75 is bent toward a side close to the first space 74, and the elastic sheet 75 contacts with the top wall 5121 of the buffer 512 to provide a sliding damping force. That is: when the buffer member 512 slides into the first space 74, the top wall 5121 of the buffer member 512 presses the elastic sheet 75 to elastically deform, and accordingly, the elastic sheet 75 generates a resistance to the sliding of the buffer member 512 when elastically deformed.

Through the arrangement, when the user pushes the second writing board 3 until the buffer element 512 enters the first space 74, the sliding damping force generated by the elastic sheet 75 can provide a certain hand feeling for the user, the signal that the buffer element 512 is about to be abutted against the stop wall 71 is released for the user, and severe impact between the buffer element 512 and the stop wall 71 caused by overlarge pushing force applied by the user is avoided, so that the loss of a product in the use process is reduced, and the service life of the product is prolonged.

As shown in fig. 4 and 11, fig. 11 is a schematic structural view of a second bracket 62 according to some embodiments of the present application. In some embodiments, the second sliding rail 61 is a sliding vane extending along the height direction Z of the second writing board away from the side of the second frame 42, the second sliding member 63 includes a first sliding portion 631 and a second sliding portion 632 protruding toward the side of the second sliding rail 61, and a sliding groove 633 is formed between the first sliding portion 631 and the second sliding portion 632, and the sliding groove 633 is in sliding fit with the sliding vane.

The sliding piece may be integrally formed by extending the second frame 42, or may be separately provided with the second frame 42, and similarly, the first sliding portion 631 and the second sliding portion 632 may be integrally formed by extending the second bracket 62, or may be separately connected to the second bracket 62, which is not specifically limited herein.

By the arrangement, the second slide rail 61 and the second slide piece 63 are simply and conveniently processed, and the production and processing efficiency is improved; second, the first sliding portion 631 and the second sliding portion 632 clamp the sliding piece in the sliding groove 633, which can play a certain limiting role on the second writing board 3 along the front-back direction, so as to avoid the second writing board 3 from shifting forward or backward during the sliding process.

As shown in fig. 11, in some embodiments, the chute 633 has a first groove wall 6331 and a second groove wall 6332 disposed opposite to each other, the first groove wall 6331 and the second groove wall 6332 being substantially parallel planes.

Through such setting, in the sliding process of second clipboard 3, be the face contact between second slide rail 61 and the second slider 63, be favorable to increasing sliding contact area, and then increase sliding friction, avoid producing excessive collision because of the slip speed of second clipboard 3 is too fast, be favorable to realizing the steady slip of second clipboard 3.

Of course, if the second writing board 3 needs to have a higher sliding speed, the first groove wall 6331 and the second groove wall 6332 may be curved to reduce friction by reducing the sliding contact area, or the second slider 63 may be a pulley, which may be specific according to practical situations.

As shown in fig. 8, in some embodiments, the interconnected blackboard further comprises a drag chain 9, wherein the drag chain 9 internally passes through an electrical connection line between the second writing board 3 and the display device 1; the fixed end 91 of the drag chain 9 is attached to the back side of the first writing board 2, and the movable end 92 of the drag chain 9 is attached to the first bracket 51. That is: the movable end 92 of the drag chain 9 will slide with the first bracket 51 on the second tablet 3.

Through setting up tow chain 9, can set up electrical connection line in tow chain 9 inside, like this, at the gliding in-process of second clipboard 3, tow chain 9 can play certain guard action to electrical connection line, prevents to produce the dragging or the damage to electrical connection line at the slip in-process, has effectively guaranteed the normal work of interconnection blackboard, is favorable to reducing product loss and extension product life.

As shown in fig. 8, in other embodiments, the fixed end 91 of the drag chain 9 may also be connected to a wall hanging bracket 21 on the back side of the first writing board 2, where the wall hanging bracket 21 is used to fixedly connect the whole interconnected blackboard to the wall, and the connection position of the fixed end 91 of the drag chain 9 may be specific according to practical situations.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An interconnection blackboard is characterized by comprising a display device (1), a first writing board (2), a second writing board (3) and a frame (4); the first writing board (2) is arranged on at least one side of the display device (1) and is fixedly arranged in the frame (4) together with the display device (1), the second writing board (3) is connected to the frame (4) through a sliding structure (10) so that the second writing board (3) slides between a first position and a second position, the second writing board (3) is positioned on the front side of the display device (1) when in the first position, and the second writing board (3) is positioned on the front side of the first writing board (2) when in the second position;

The frame (4) comprises a first border (41) positioned at the top of the display device (1) and the first writing board (2), and a second border (42) positioned at the bottom of the display device (1) and the first writing board (2), the sliding structure (10) comprises a first sliding structure (5) and a second sliding structure (6), the first sliding structure (5) is connected with the second writing board (3) and the first border (41), and the second sliding structure (6) is connected with the second writing board (3) and the second border (42).

2. The interconnecting blackboard according to claim 1, wherein,

The first sliding structure (5) comprises a first bracket (51), a first sliding piece (53) fixed at one end of the first bracket (51) and a first sliding rail (52) arranged on the first frame (41), the first sliding piece (53) is arranged in a track of the first sliding rail (52) in a sliding way, and the other end of the first bracket (51) is connected to the back side of the second writing board (3);

The second sliding structure (6) comprises a second sliding rail (61) arranged on the second frame (42), a second bracket (62) connected between the second writing board (3) and the second sliding rail (61), and a second sliding piece (63) fixed on the second bracket (62), wherein the second sliding piece (63) is in sliding fit with the second sliding rail (61).

3. The interconnecting blackboard according to claim 2, wherein,

Be provided with spacing separation blade (7) on first frame (41), spacing separation blade (7) are located along the extending direction of first frame (41) the both ends of first slide rail (52), have on spacing separation blade (7) with lateral wall (513) looks butt of first support (51).

4. An interconnect blackboard according to claim 3, characterized in that,

A magnetic element (8) is arranged between the side wall (513) and the stop wall (71).

5. The interconnecting blackboard according to claim 3 or 4, characterized in that,

The first support (51) comprises a support body (511) and a buffer piece (512), wherein the buffer piece (512) is arranged between the support body (511) and the limiting baffle (7) and is arranged adjacent to the support body (511) along the extending direction of the first frame (41), and the buffer piece (512) is configured to be abutted to the stop wall (71).

6. The interconnecting blackboard according to claim 5, wherein,

The limit stop piece (7) is provided with a first wall (72) and a second wall (73) which extend along the extending direction of the first frame (41), and a stop wall (71) connected between the first wall (72) and the second wall (73), and the buffer piece (512) is configured to slidingly extend into a first space (74) formed between the first wall (72) and the stop wall (71) and is abutted against the stop wall (71).

7. The interconnecting blackboard according to claim 6, wherein,

The first wall (72) is provided with an elastic sheet (75), the elastic sheet (75) is bent towards one side close to the first space (74), and the elastic sheet (75) is in contact with the top wall (5121) of the buffer (512) to provide a sliding damping force.

8. The interconnecting blackboard according to claim 2, wherein,

The second sliding rail (61) is a sliding sheet extending along one side of the second frame (42) in the height direction (Z) of the second writing board (3), the second sliding piece (63) comprises a first sliding part (631) and a second sliding part (632) protruding towards one side of the second sliding rail (61), a sliding groove (633) is formed between the first sliding part (631) and the second sliding part (632), and the sliding groove (633) is in sliding fit with the sliding sheet.

9. The interconnecting blackboard according to claim 8, wherein,

The chute (633) has a first chute wall (6331) and a second chute wall (6332) arranged opposite to each other, the first chute wall (6331) and the second chute wall (6332) being substantially parallel planes.

10. The interconnecting blackboard according to any one of claims 2-4, characterized in that it further comprises a drag chain (9);

The interior of the drag chain (9) is used for the electrical connection line between the second writing board (3) and the display device (1) to pass through; the fixed end (91) of the drag chain (9) is connected to the back side of the first writing board (2), and the movable end (92) of the drag chain (9) is connected to the first bracket (51).