Support for fixing display equipment and fixing device thereof

Abstract

The utility model relates to the technical field of supports, and provides a support for fixing display equipment and a fixing device.The support for fixing the display equipment comprises a supporting piece, one side of the supporting piece is used for being connected with the display equipment, and the other side of the supporting piece is provided with an adjusting mechanism and a supporting mechanism; the adjusting mechanism and the supporting mechanism are used for being fixedly connected with the transverse connecting rod, the adjusting mechanism is arranged at the lower end close to the supporting piece, and the adjusting mechanism is used for making the supporting piece slide up and down relative to the adjusting mechanism and the supporting mechanism and incline relative to the adjusting mechanism and the supporting mechanism. According to the technical scheme, installation personnel can conveniently adjust the display equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display device support, in particular to a support for fixing a display device and a fixing device thereof. BACKGROUND

[0002] At present, some large display devices, such as televisions or computer screens, etc., have two installation methods during installation, one is embedded in the background wall, and the other is fixed on the background wall through a support. The support fixing method generally requires manual operation by the installer, and the height of the hole punched in the background wall and whether the hole is perpendicular to the wall will affect the appearance and viewing comfort of the display device hanging. Application No. CN202320992390.X discloses a television support and a display system, and specifically discloses a fixing mechanism, a horizontal adjustment mechanism, and a television connecting mechanism. The fixing mechanism is used for fixing on the wall, the television connecting mechanism is used for connecting with the television, and the horizontal adjustment mechanism is used for adjusting the horizontal position of the television connecting mechanism, so as to adjust the horizontal position of the television. According to the prior art, the horizontal adjustment mechanism is located at the upper end of the entire support, and the screen of the existing display device is generally large, and sometimes the height of the punched hole is also high, so that the installer needs to stand on a stool to adjust the display device from a high place, thereby causing inconvenience. Therefore, there is an urgent need for a support that can facilitate the installer to adjust. CONTENT OF THE UTILITY MODEL

[0003] The technical problem to be solved by the present application is to provide a support for fixing a display device and a fixing device thereof, which can facilitate the installer to adjust the display device.

[0004] To solve the above technical problems, the present application adopts the following technical solutions:

[0005] In a first aspect, the present application provides a support for fixing a display device, comprising: a support piece, one side of the support piece being used for connecting the display device, the other side being provided with an adjustment mechanism and a support mechanism, the adjustment mechanism and the support mechanism being respectively used for fixedly connecting with a horizontal connecting rod, the adjustment mechanism being arranged close to the lower end of the support piece, and the adjustment mechanism being used for sliding the support piece up and down relative to the adjustment mechanism and the support mechanism and tilting the support piece relative to the adjustment mechanism and the support mechanism.

[0006] As an implementation manner, the support piece is further provided with a support part, the support part is fixedly connected with the support piece, and the support part is provided with a through hole; the adjustment mechanism comprises a first connecting piece and a first adjustment piece, the first connecting piece is used for connecting with the horizontal connecting rod, the first adjustment piece passes through the through hole from bottom to top and is threadedly connected with the first connecting piece, and driving the first adjustment piece to rotate is used for sliding the support piece relative to the first connecting piece.

[0007] As an implementation form, the support member comprises a connecting surface for connecting with the display device, and two first side portions connected with the connecting surface and respectively located on two sides of the connecting surface; the support member further comprises a first stop surface connected with the two first side portions, the first stop surface being located above the two first side portions, and the first stop surface being used for stopping the first connecting member.

[0008] As an implementation form, the first connecting member is movable between the connecting surface and the first stop surface; the adjusting mechanism further comprises a second adjusting member threadedly connected with the first connecting member through the first stop surface.

[0009] As an implementation form, the first stop surface is provided with a first long slot, and the second adjusting member passes through the first long slot.

[0010] As an implementation form, the first connecting member further comprises two hook portions extending away from the display device and used for connecting with the transverse connecting rod.

[0011] As an implementation form, the support mechanism comprises a second connecting member comprising two bent portions and a stop portion connected with the two bent portions, the stop portion being protruded from the bent portions and being spaced apart from the support member, and the stop portion being used for fixing the transverse connecting rod in cooperation with the support member.

[0012] As an implementation form, the support mechanism further comprises a fixing buckle for fixing the transverse connecting rod, and the fixing buckle is rotatably connected with the bent portion.

[0013] As an implementation form, the support member comprises two second side portions connected with the connecting surface; the support mechanism further comprises at least two guide members, two second long slots are spaced apart on each bent portion, and the guide member passes through the two second long slots on different bent portions and is connected with the two second side portions.

[0014] In a second aspect, the application provides a fixing device for fixing a display device, comprising the support for fixing a display device in the first aspect, and further comprising a support frame comprising two transverse connecting rods and two longitudinal connecting rods, the longitudinal connecting rods being rotatably connected with the transverse connecting rods; two fixing members for fixing on a wall; and two transition connecting members rotatably connected with the two fixing members respectively, and the transition connecting members being connected with the longitudinal connecting rods on the same side.

[0015] The technical scheme of the present application has the following beneficial effects:

[0016] One side of the support is used for connecting the display device, and the other side is provided with an adjusting mechanism and a supporting mechanism. The adjusting mechanism and the supporting mechanism are respectively used for fixed connection with two transverse connecting rods with a certain distance. The adjusting mechanism is arranged close to the lower end of the support. By adjusting the adjusting mechanism, the support can slide up and down relative to the adjusting mechanism and the supporting mechanism, and can also be inclined relative to the adjusting mechanism and the supporting mechanism, so as to realize the purpose of adjusting the height and the inclination angle of the display device. Since the adjusting mechanism is arranged close to the lower end of the support, the installer can adjust the display device by squatting or bending over during installation and debugging, thereby improving the operation convenience of the installer. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The structural schematic diagram of the fixing device provided in the embodiments of the present application is shown in the figure.

[0019] Figure 2 The structural schematic diagram of the support provided in the embodiments of the present application is shown in the figure.

[0020] Figure 3 The exploded structural schematic diagram of the support provided in the embodiments of the present application is shown in the figure.

[0021] Figure 4 The structural schematic diagram of the support from different perspectives provided in the embodiments of the present application is shown in the figure.

[0022] Figure: 1-support; 11-supporting part; 12-first side part; 13-first stop surface; 131-first long slot; 14-second stop surface; 15-second side part; 2-adjusting mechanism; 21-first connecting piece; 211-hook part; 22-first adjusting piece; 23-second adjusting piece; 3-supporting mechanism; 31-second connecting piece; 311-bent part; 312-stop part; 313-second long slot; 32-fixing buckle; 33-guiding piece; 4-transverse connecting rod; 5-fixing piece; 6-transition connecting piece; 61-rotation rod; 62-connecting part. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described below in combination with the drawings in the embodiments of the present application.

[0024] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the description of this application, terms such as "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] like Figure 2 As shown, in a first aspect, embodiments of this application provide a bracket for fixing a display device, including a support member 1. One side of the support member 1 is used to connect the display device, and the other side is provided with an adjustment mechanism 2 and a support mechanism 3. The adjustment mechanism 2 and the support mechanism 3 are respectively used to fix and connect to two horizontal connecting rods 4 with a certain distance between them. The adjustment mechanism 2 is located near the lower end of the support member 1. By adjusting the adjustment mechanism 2, the support member 1 can slide up and down relative to the adjustment mechanism 2 and the support mechanism 3, and at the same time, the support member 1 can tilt relative to the adjustment mechanism 2 and the support mechanism 3, thereby achieving the purpose of adjusting the height and tilt angle of the display device. Since the adjustment mechanism 2 is located near the lower end of the support member 1, the installer does not need to stand at a high place to adjust the display device during the installation and debugging process, but can squat down or bend over to adjust the display device, thereby improving the ease of operation for the installer.

[0026] In the prior art, there are also some electric TV stands, which generally include a drive motor and some transmission gears. Therefore, the manufacturing cost of electric TV stands is much higher. However, the stand of the present application embodiment achieves the position of the display device by manually adjusting it. Compared with electric stands, the stand of the present application embodiment can reduce production costs.

[0027] Optionally, support member 1 is long and narrow.

[0028] Optionally, the display device may include a television or computer screen, or of course other devices.

[0029] Generally, two brackets are needed when installing a display device, although in some cases only one bracket can be used.

[0030] Optionally, in some cases, the adjustment mechanism 2 may also be located at the lower end of the support member 1.

[0031] Optionally, when the two supports are placed on the two horizontal connecting rods 4, they can first slide horizontally along the horizontal connecting rods 4 to initially adjust their position.

[0032] like Figure 2 and 4As shown, as an embodiment, the support 1 is further provided with a support part 11, the support part 11 is fixedly connected with the support 1, and the support part 11 is provided with a through hole; the adjusting mechanism 2 comprises a first connecting piece 21 and a first adjusting piece 22, the first connecting piece 21 is used for being connected with the transverse connecting rod 4, the first adjusting piece 22 passes through the through hole from bottom to top and is threadedly connected with the first connecting piece 21, when an installer drives the first adjusting piece 22 to rotate from below, the first adjusting piece 22 can slide the support 1 relative to the first connecting piece 21, and then the position of the display device in height is also adjusted.

[0033] Optionally, the support 1 comprises first side parts 12 and a connecting face, the two first side parts 12 are bent rearward to form a groove-shaped space with the connecting face, and the first connecting piece 21 is located in the groove-shaped space.

[0034] Optionally, the support part 11 is a sheet structure, since the support part 11 is fixedly connected with the support 1 and the first connecting piece 21 is fixedly connected with the transverse connecting rod 4 after the first connecting piece 21 is connected with the transverse connecting rod 4, during actual installation, one side of the support 1 is fixed with the display device, by gravity, the support 1 has a downward sliding trend relative to the first connecting piece 21, the first connecting piece 21 is connected with the transverse connecting rod 4, the transverse connecting rod 4 provides an upward force to the first connecting piece 21, one end of the first adjusting piece 22 abuts against one side of the support part 11, at this time, by driving the first adjusting piece 22 to rotate, and one end of the first adjusting piece 22 always abuts against one side of the support part 11 and is threadedly connected with the first connecting piece 21, during the rotation process, the first adjusting piece 22 can adjust the distance between the first connecting piece 21 and the support part 11, and then drives the support part 11 and the support 1 to move upward or downward, and the height of the display device is also adjusted.

[0035] Optionally, the first adjusting piece 22 can be a bolt, during actual installation, since the gravity of the display device itself, the support 1 slides downward along the first long slot 131, at this time, one end of the bolt with a nut abuts against one side of the support part 11, the support part 11 provides a supporting force to the nut, in this way, when the bolt is driven to rotate, the nut always abuts against the support part 11, the first connecting piece 21 moves through the threaded section of the bolt, but since the first connecting piece 21 is connected with the transverse connecting rod 4, the first connecting piece 21 cannot move, by the principle of action and reaction, the support 1 slides upward or downward relative to the first connecting piece 21. For example, when the bolt is screwed, the bolt drives the support 1 to move towards the first connecting piece 21, at this time, for the support 1, it is upward sliding; when the bolt is unscrewed, the bolt drives the support to move away from the first connecting piece 21, at this time, for the support 1, it is downward sliding.

[0036] Optionally, the fixed connection between the support part 11 and the support member 1 includes a detachable connection and a non-detachable connection. For example, the two first sides 12 of the support member 1 can be provided with slots, and the support part 11 is inserted into the slots in a manner perpendicular to the connecting surface to achieve a detachable connection. If the support part 11 and the support member 1 are non-detachable, the connecting surface of the support part 11 and the support member 1 and the two first sides 12 can be welded together, or the support part 11 and the connecting surface and the two first sides 12 can be integrally formed.

[0037] Optionally, the support part 11 can be positioned as close as possible to the support member 1 or at the lower end of the support member 1, so as to facilitate the operation of the installer.

[0038] Optionally, the first connector 21 includes a bent flange with a threaded hole, the flange being parallel to the support portion 11 and threadedly connected to the first adjusting member 22.

[0039] like Figure 2 As shown, in one embodiment, the support member 1 includes a connecting surface and two first side portions 12. The connecting surface is used to connect with the display device, and the two first side portions 12 are connected to the connecting surface and are located on both sides of the connecting surface. The support member 1 also includes a first stop surface 13, which is connected to the two first side portions 12. The first stop surface 13 and the two first side portions 12 are both located above the support portion 11. The first stop surface 13 is used to stop the first connecting member 21, thereby preventing the first connecting member 21 from falling off.

[0040] Optionally, the first side portion 12, the connecting surface, and the first stop surface 13 can be integrally formed.

[0041] Optionally, the two first sides 12 extend rearward to provide space for the connecting surface to fix the display device. In the embodiments of this application, the directional terms "forward" and "backward" refer to the display device as a reference in actual application. That is, facing the display device is "forward," and facing away from the display device is "backward."

[0042] Optionally, the connecting surface and the first side 12 can be integrally formed to improve the structural strength of the bracket; of course, they can also be welded together.

[0043] like Figure 2 and 4 As shown, in one embodiment, the first connector 21 can move between the connecting surface and the first stop surface 13, thereby providing space for adjusting the tilt angle between the first connector 21 and the support 1; the adjustment mechanism 2 also includes a second adjustment member 23, which passes through the first stop surface 13 and is threadedly connected to the first connector 21. By driving the second adjustment member 23 to rotate, the distance between the first connector 21 and the first stop surface 13 can be adjusted, thereby also adjusting the tilt angle of the display device.

[0044] Optionally, the height of the first side portion 12 perpendicular to the direction of the connecting surface is greater than the thickness of the first connecting member 21, so that the first connecting member 21 has a space between the first stop surface 13 and the connecting surface.

[0045] Optionally, the second adjusting member 23 can be a bolt, and in actual installation, the connecting surface is connected with the display device, and the first connecting member 21 is fixed on the transverse connecting rod 4. At this time, the display device provides a downward gravity, and at the same time, since the second adjusting member 23 is close to the lower end of the support 1, in the actual installation process, the display device does not only provide a vertical gravity, but also provides a backward tilting force, that is, the upper end of the display device is slightly tilted towards the front, so that the nut of the second adjusting member 23 abuts against the first stop surface 13, and the first stop surface 13 provides a supporting force. At this time, by rotating the second adjusting member 23, the first connecting member 21 can move on the threaded segment of the second adjusting member 23, but since the first connecting member 21 is connected with the transverse connecting rod 4, by the principle of action and reaction, the second adjusting member 23 drives the support 1 to move relative to the first connecting member 21 in the front-back direction, so as to adjust the distance between the first connecting member 21 and the first stop surface 13, and further adjust the tilting angle of the display device.

[0046] Optionally, in actual application, when the support 1 moves forward and backward relative to the first connecting member 21, only the part close to the upper side moves, because the first connecting member 21 is connected with the transverse connecting rod 4, and the weight of the display device is heavy, and the second adjusting member 23 is located above the position where the first connecting member 21 is connected with the transverse connecting rod 4, so that the lever principle is utilized in the adjusting process.

[0047] As shown in Figure 2 As an embodiment, the first stop surface 13 is provided with a first long hole 131, and the second adjusting member 23 passes through the first long hole 131, and the second adjusting member 23 forms a guiding effect on the support 1, and when the support 1 moves up and down, it can move along the first long hole 131.

[0048] Optionally, the first long hole 131 extends in the vertical direction.

[0049] As shown in Figure 2As shown, optionally, the support 1 can further include a second stop surface 14, which is located below the first stop surface 13 and is spaced apart from the first stop surface 13, and also limits and stops the lower side of the first connecting piece 21. The support includes a third side portion, and the second stop surface 14 is connected to the third side portion. The adjusting mechanism 2 can further include a third adjusting piece, which can be a bolt. The second stop surface 14 is also provided with a long hole, and the third adjusting piece is threadedly connected to the first connecting piece 21 through the long hole.

[0050] As shown in Figure 2 and 3 As an embodiment, the first connecting piece 21 further includes two hook portions 211, which extend away from the display device and are used to connect with the transverse connecting rod 4.

[0051] Optionally, the first connecting piece 21 is an integral molding piece, which satisfies the structural strength of the first connecting piece 21. The hook portion 211 includes a first connecting section and a second connecting section. The first connecting section is connected to the main body of the first connecting piece 21, and the second connecting section is bent downwardly so that the second connecting section is spaced apart from the main body of the first connecting piece 21. In this way, the main body of the first connecting piece 21 and the hook portion 211 form a space for fixing the transverse connecting rod 4.

[0052] Optionally, in actual installation, the distance between the threaded section of the first adjusting piece 22 and the connecting surface is greater than the distance between the first stop surface 13 and the hook portion 211. In this way, after the hook portion 211 contacts and supports the first stop surface 13, the first adjusting piece 22 cannot abut against the connecting surface, which causes the height position of the support 1 to be unable to be adjusted.

[0053] Optionally, the first stop surface 13 can be arranged to be higher, and the first connecting piece 21 can be stopped. Alternatively, the hook portion 211 can be arranged to be lower.

[0054] As shown in Figure 2 and 3 As an embodiment, the support mechanism 3 includes a second connecting piece 31, which includes two bent portions 311 and a stop portion 312 connected to the two bent portions 311. The stop portion 312 is protrudingly arranged on the bent portions 311, is spaced apart from the support 1, and cooperates with the support 1. The bracket is hung on the transverse connecting rod 4, and the stop portion 312, the bent portions 311, and the support 1 all abut against the transverse connecting rod 4, which is used to fix the transverse connecting rod 4.

[0055] As shown in Figure 3As shown, as an embodiment, the support mechanism 3 further comprises a fixing buckle 32 for fixing the transverse connecting rod 4, the fixing buckle 32 is rotationally connected with the bending part 311, so as to further improve the stability between the support and the transverse connecting rod 4, the fixing buckle 32 cooperates with the stop part 312 to play a double fixing role on the transverse connecting rod 4, and meanwhile, the fixing buckle 32 can also avoid the risk of the support falling off the transverse connecting rod 4.

[0056] Optionally, the fixing buckle 32 is L-shaped, and cooperates with the support 1 and the second connecting part 31 to lock the periphery of the transverse connecting rod 4.

[0057] As shown in the drawings, Figure 2 As an embodiment, the support 1 comprises two second side parts 15 connected with the connecting surface, and the support mechanism 3 further comprises at least two guide parts 33, two second long slits 313 are arranged at intervals between each bending part 311, the guide part 33 passes through the two second long slits 313 on different bending parts 311 and is connected with the two second side parts 15, so as to realize that the support 1 and the guide part 33 can slide up and down along the second long slit 313.

[0058] Optionally, the guide part 33 can be a bolt.

[0059] As shown in the drawings, Figure 1 and 2 As a second aspect, the embodiment of the present application provides a fixing device for fixing a display device, which comprises the support for fixing the display device provided in the first aspect, and further comprises a support frame surrounded by two transverse connecting rods 4 and two longitudinal connecting rods, so as to provide stable support when the support is connected with the transverse connecting rod 4, and the transverse connecting rod 4 is rotationally connected with the longitudinal connecting rod, thereby facilitating adjustment of the position of the display device on the left and right sides in the horizontal plane.

[0060] The fixing device further comprises two fixing parts 5 respectively fixed on a wall to provide support for the entire fixing device and the subsequent display device, and further comprises two transition connecting parts 6 respectively rotationally connected with the two fixing parts 5, the transition connecting part 6 is connected with the longitudinal connecting rod through a support rod, and the transition connecting part 6 is rotationally connected with the fixing part 5, which further facilitates adjustment of the position of the display device on the left and right sides in the horizontal direction, and also can adjust the distance between the display device and the wall.

[0061] In the prior art, the depth of the hole drilled by the installer finally affects the distance between the display device and the wall, so that the transition connecting part 6 is rotationally connected with the fixing part 5, so as to adjust the rotation angle of the transition connecting part 6, thereby further adjusting the distance between the display device and the wall.

[0062] AsFigure 1 As shown, optionally, the transition connecting piece 6 comprises a rotating rod 61 and two connecting parts 62, the two connecting parts 62 are respectively connected with the fixing piece 5 through rotating shafts, and the two ends of the rotating rod 61 are also rotatably connected with the two connecting parts 62 through rotating shafts, so as to facilitate the adjustment of the position of the display device in the horizontal direction.

[0063] Optionally, the two ends of the longitudinal connecting rod can be connected with the two transverse connecting rods 4 through rotating shafts.

[0064] Optionally, the rotating rod 61 and the longitudinal connecting rod are connected through a metal connecting piece.

[0065] The above only describes the embodiments of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0066] The above only describes the embodiments of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0067] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A stand for securing a display device, characterized by, The support piece is provided with a support part fixedly connected with the support piece, and the support part is provided with a through hole. The adjusting mechanism comprises a first connecting piece and a first adjusting piece, the first connecting piece is used for being connected with the transverse connecting rod, the first adjusting piece passes through the through hole from bottom to top and is threadedly connected with the first connecting piece, and driving the first adjusting piece to rotate is used for sliding the support piece relative to the first connecting piece.

2. The stent of claim 1, wherein The support piece comprises a connecting surface used for being connected with the display device and two first side parts connected with the connecting surface and respectively located at two sides of the connecting surface, and the support piece further comprises a first stop surface connected with the two first side parts, the first stop surface and the two first side parts are all located above the support part, and the first stop surface is used for stopping the first connecting piece. The first connecting piece is movable between the connecting surface and the first stop surface.

3. The stent of claim 2, wherein, The adjusting mechanism further comprises a second adjusting piece, and the second adjusting piece is threadedly connected with the first connecting piece through the first stop surface.

4. The stent of claim 3, wherein, The first stop surface is provided with a first long slot, and the second adjusting piece passes through the first long slot. The first connecting piece further comprises two hook parts, the two hook parts extend away from the display device and are used for being connected with the transverse connecting rod.

5. The stent of claim 4, wherein, The support mechanism comprises a second connecting piece, the second connecting piece comprises two bent parts and a stop part connected with the two bent parts, the stop part is protrudedly arranged on the bent part, the stop part is arranged in a spaced manner with the support piece, the stop part cooperates with the support piece and is used for fixing the transverse connecting rod.

6. Scaffold according to any one of claims 2 to 5, characterized in that The support mechanism further comprises a fixing buckle used for fixing the transverse connecting rod, and the fixing buckle is rotationally connected with the bent part.

7. The stent defined in any one of claims 3-5, wherein, The support piece comprises two second side parts connected with the connecting surface.

8. The stent of claim 7, wherein, The support mechanism further comprises at least two guide pieces, two second long slots are arranged on each bent part in a spaced manner, and the guide pieces pass through the two second long slots on different bent parts and are connected with the two second side parts.

9. The stent defined in Claim 7, wherein, The support frame for fixing the display device comprises the support frame for fixing the display device according to any one of claims 1 to 9, and further comprises a support frame, the support frame comprises two transverse connecting rods and two longitudinal connecting rods, the longitudinal connecting rods are rotationally connected with the transverse connecting rods. Two fixing pieces used for being fixed on a wall and two transition connecting pieces are rotationally connected with the two fixing pieces respectively, and the transition connecting pieces are connected with the longitudinal connecting rods on the same side.

10. A fixing device for fixing a display device, characterized in that ​ ​

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