Liquid crystal splicing screen structure

Abstract

The utility model relates to the technical field of display screens, and provides a liquid crystal splicing screen structure which comprises a supporting frame capable of being mounted on a fixed object and a display screen, a mounting frame is rotatably mounted at one end of the supporting frame, an adjusting screw rod is slidably mounted on the supporting frame, a sliding block is slidably mounted on the supporting frame, and a first screw hole is formed in the sliding block; the display screen mounting frame has the advantages that the adjusting screw rod is operated to drive the sliding block to move along the supporting frame, the mounting frame is pushed to rotate along the supporting frame through the transmission rod, and therefore the angle of the mounting frame is adjusted, a display screen can be conveniently assembled or disassembled, and the display screen mounting frame is convenient to use. And meanwhile, the safety performance of display screen installation is improved, and the display screen is prevented from being damaged in the splicing process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display screen technical field, especially relate to a liquid crystal spliced screen structure. BACKGROUND

[0002] The spliced screen can be used as a display screen alone or be spliced into a super large screen, can realize the function that the picture can be enlarged or reduced according to different use requirements through a graphic processor, and can also display multiple pictures simultaneously, along with the progress of science and technology, people's demand for display screen size and function is also higher and higher;

[0003] The patent document with the application number 20222316835 discloses a liquid crystal spliced screen structure, which comprises a rear seat, a connecting assembly is installed on the surface of the rear seat, the connecting assembly comprises a connecting frame, a connecting plate and connecting screws, the inner wall of the connecting frame is installed on the surface of the rear seat, the two ends of the connecting plate are connected with two connecting frames to be spliced respectively, connecting holes are formed in the surfaces of the connecting plate and the connecting frame, and the connecting screws are screwed through the connecting holes, the connecting assembly is arranged, the connecting frame is connected by the connecting plate, and the connecting screws are tightened, so that the mutual extrusion between the screens is prevented, in addition, the protection assembly is arranged, the horizontal protection frame is installed on the surface of the connecting frame of the topmost layer and the bottommost layer, the vertical protection frame is installed on the surface of the connecting frame on both sides, and the fixing piece and the fixing hole in the surface of the horizontal protection frame are tightened by the fixing screws, so that the screen is prevented from being damaged by impact.

[0004] However, the assembled display screen is generally installed on the wall, and during installation, multiple display screens are assembled and then installed on the wall, and the assembled display screen is lifted for installation, which can easily cause extrusion at the spliced position and damage the display screen, affect the display effect, and even cause the display screen to break in serious cases. Utility model content

[0005] Therefore, the utility model provides a liquid crystal spliced screen structure, the sliding block is driven to move along the support frame by the operation adjusting screw rod, the mounting frame is pushed to rotate along the support frame by the transmission rod, so that the angle of the mounting frame is adjusted, the display screen is conveniently assembled or disassembled, the safety performance of the display screen installation is improved, and damage to the display screen during assembly is prevented.

[0006] The technical scheme is as follows: a liquid crystal splicing screen structure, comprising a support frame and a display screen which can be installed on a fixed object, one end of the support frame is rotatably installed with a mounting frame, the support frame is slidably installed with an adjusting screw, the support frame is slidably installed with a sliding block, the sliding block is provided with a first screw hole, the adjusting screw is threadedly installed in the first screw hole, the sliding block and the mounting frame are connected through a transmission rod, the adjusting screw is operated to drive the sliding block to move along the support frame, the mounting frame is pushed to rotate along the support frame through the transmission rod, and a plurality of display screens are spliced with each other and installed on the mounting frame.

[0007] In the use process of the above technical scheme, the adjusting screw is operated to drive the sliding block to move along the support frame, the mounting frame is pushed to rotate along the support frame through the transmission rod, so as to adjust the angle of the mounting frame, facilitate the splicing or disassembly of the display screen, and improve the safety performance of the display screen installation and prevent damage to the display screen during splicing.

[0008] Preferably, the support frame is provided with a sliding groove, the sliding groove is in a 'concave' shape in cross section, the sliding block is in a 'convex' shape in cross section corresponding to the sliding groove, and the sliding block is slidably installed in the sliding groove.

[0009] Preferably, the support frame is provided with a first mounting hole in communication with the sliding groove, both ends of the adjusting screw are fixedly provided with a rotating shaft, the rotating shaft is rotatably installed in the first mounting hole, and one end of the rotating shaft extends out of the support frame and is fixedly provided with a nut.

[0010] Preferably, one end of the support frame away from the sliding groove is fixedly provided with a first pin shaft, one end of the mounting frame is fixedly provided with a first shaft sleeve, and the first pin shaft is rotatably installed in the first shaft sleeve.

[0011] Preferably, the sliding block is fixedly provided with a second pin shaft, the mounting frame is fixedly provided with a third pin shaft, both ends of the transmission rod are fixedly provided with a second shaft sleeve, and the second pin shaft and the third pin shaft are rotatably installed in the two second shaft sleeves respectively.

[0012] Preferably, the back of the display screen is fixed on the mounting frame, and the mounting frame of the display screen at the middle position is connected and fixed with the mounting frame through a bolt.

[0013] Preferably, the lower end and the right end of the mounting frame are fixedly provided with two symmetrical first connecting frames, the first connecting frame is provided with a first groove, the upper end and the left end of the mounting frame are fixedly provided with two symmetrical L-shaped connecting frames, the L-shaped connecting frame is inserted into the first groove of the first connecting frame, and the first connecting frame and the L-shaped connecting frame are connected and fixed through a limiting assembly.

[0014] The installation frame of the intermediate position display screen is bolted on the mounting rack, and the two adjacent installation frames are fixed by inserting the L-shaped connecting frame into the first recess of the first connecting frame and through the limiting assembly, so that the two display screens are quickly assembled, and the convenience and stability of assembly are improved.

[0015] Preferably, the limiting assembly comprises a first piston cavity formed on the first connecting frame, a limiting rod being sealingly and slidably installed on the first piston cavity, a limiting hole corresponding to the limiting rod being formed on the L-shaped connecting frame, a second piston cavity being fixedly arranged on the installation frame, the second piston cavity being sealingly communicated with the first piston cavity through a gas conveying cavity, a second piston plate being sealingly and slidably installed in the second piston cavity, an adjusting screw being rotatably installed on the second piston plate, a second screw hole being formed at an end of the second piston cavity, and the adjusting screw being threadedly installed in the second screw hole.

[0016] Preferably, a first through hole is formed on the first connecting frame and in communication with the first piston cavity, and the limiting rod is slidably installed in the first through hole.

[0017] Preferably, a gas conveying cavity is formed on the installation frame, and a plurality of first piston cavities are sealingly communicated through the gas conveying cavity.

[0018] Preferably, a gas conveying cavity is formed on the installation frame, and a plurality of first piston cavities are sealingly communicated through the gas conveying cavity.

[0019] After the above technical scheme is adopted, the present application has the following beneficial effects:

[0020] 1. The adjusting screw drives the sliding block to move along the support frame, the mounting rack is pushed to rotate along the support frame through the transmission rod, so that the angle of the mounting rack is adjusted, the display screen is conveniently assembled or disassembled, the safety performance of the display screen installation is improved, and damage to the display screen during assembly is prevented.

[0021] 2, the installation frame of intermediate position display screen is installed on the mounting frame by bolts, two adjacent installation frames are inserted into the first recess of the first connecting frame by the L-shaped connecting frame, and the two are fixed by the limiting assembly, so that the two display screens are quickly assembled, the convenience and stability of assembly are improved;

[0022] 3, the operation adjusting screw drives the second piston plate to extrude the gas in the first piston cavity and the second piston cavity, the limiting rod is inserted into the limiting hole by the first piston plate, so that the first connecting frame and the L-shaped connecting frame are connected and fixed, the adjacent two display screens are quickly installed, the operation is simple, and the stability is high. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 It is the installation schematic view of the present application;

[0025] Figure 2 It is the perspective view of the present application;

[0026] Figure 3 It is the rear view of the present application;

[0027] Figure 4 It is the perspective view of the present application;

[0028] Figure 5 It is the exploded view of the present application;

[0029] Figure 6 It is the perspective view of the mounting frame of the present application;

[0030] Figure 7 It is the partial perspective view of the second embodiment of the present application;

[0031] Figure 8 It is the partial sectional view of the second embodiment of the present application;

[0032] Figure 9 It is the exploded view of the second embodiment of the present application;

[0033] Figure 10 It is the perspective view of the mounting frame in the second embodiment of the present application;

[0034] Figure 11 It is the sectional view of the mounting frame in the second embodiment of the present application;

[0035] Figure 12 It is the perspective view of the second piston plate of the second embodiment of the utility model;

[0036] Figure 13 It is the perspective view of the third piston plate of the second embodiment of the utility model;

[0037] Figure 14 It is the partial rear view of the third embodiment of the utility model;

[0038] In the figure, 1, support frame;2, mounting plate;3, first pin shaft;4, sliding groove;5, first mounting hole;6, mounting frame;7, first shaft sleeve;8, second mounting hole;9, second pin shaft;10, adjusting screw;11, rotating shaft;12, nut;13, sliding block;14, first screw hole;15, third pin shaft;16, transmission rod;17, second shaft sleeve;18, mounting frame;19, display screen;20, first connecting frame;21, first groove;22, L-shaped connecting frame;23, first limiting hole;24, first through hole;25, first piston cavity;26, gas conveying cavity;27, second piston cavity;28, second screw hole;29, gas conveying pipe;30, second piston plate;31, adjusting bolt;32, first piston plate;33, stop block;34, limiting rod;35, elastic component;36, connecting plate; DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0040] As Figures 1 to 13 shown, a liquid crystal splicing screen structure, including support frame 1 and display screen 19 that can be installed on fixed object, one end of support frame 1 rotatably installs mounting frame 6, adjusting screw 10 is slidably installed on support frame 1, sliding block 13 is slidably installed on support frame 1, first screw hole 14 is formed in sliding block 13, adjusting screw 10 is threadedly installed in first screw hole 14, sliding block 13 and mounting frame 6 are connected through transmission rod 16, operating adjusting screw 10 drives sliding block 13 to move along support frame 1, will be pushed mounting frame 6 along support frame 1 rotation through transmission rod 16, and multiple display screens 19 are spliced with each other and installed on mounting frame 6.

[0041] Specifically, the upper and lower sides of the support frame 1 are fixedly provided with mounting plates 2, a plurality of third mounting holes are linearly and uniformly arranged on the mounting plates 2, and the mounting plates 2 are fixed on a wall or a fixed object by passing expansion screws or bolts through the third mounting holes on the mounting plates 2.

[0042] The support frame 1 is provided with a sliding groove 4, the cross section of the sliding groove 4 is in the shape of a 'concave' character, the cross section of the sliding block 13 corresponds to the sliding groove 4 and is in the shape of a 'convex' character, and the sliding block 13 is slidingly installed in the sliding groove 4.

[0043] The support frame 1 is provided with a first mounting hole 5 in communication with the sliding groove 4, both ends of the adjusting screw rod 10 are fixedly provided with rotating shafts 11, the rotating shafts 11 are rotatably installed in the first mounting hole 5, and one end of the rotating shaft 11 extends out of the support frame 1 and is fixedly provided with a nut 12.

[0044] Specifically, bearings are installed in the first mounting hole 5 of the support frame 1, and the rotating shaft 11 is installed in the bearings.

[0045] One end of the mounting frame 6 is fixedly provided with a first shaft sleeve 7, and the first pin shaft 3 is rotatably installed in the first shaft sleeve 7.

[0046] The sliding block 13 is fixedly provided with a second pin shaft 9, the mounting frame 6 is fixedly provided with a third pin shaft 15, both ends of the transmission rod 16 are fixedly provided with second shaft sleeves 17, and the second pin shaft 9 and the third pin shaft 15 are rotatably installed in the two second shaft sleeves 17, respectively.

[0047] The back of the display screen 19 is fixed on the mounting frame 18, and the mounting frame 18 of the display screen 19 at the middle position is connected and fixed with the mounting frame 6 by bolts.

[0048] Specifically, screw holes are arranged on the mounting frame 18, and a second mounting hole 8 is arranged on the mounting frame 6, and the mounting frame 18 and the mounting frame 6 are connected and fixed by screwing the bolts through the second mounting hole 8 and the screw holes on the mounting frame 18.

[0049] In actual operation, the nut 12 drives the adjusting screw rod 10 to rotate through the rotating shaft 11, the sliding block 13 is driven to move along the sliding groove 4 on the support frame 1 through the adjusting screw rod 10, the mounting frame 6 is driven to rotate along the first pin shaft 3 on the support frame 1 through the transmission rod 16, the angle of the mounting frame 6 is adjusted, the mounting frame 18 of the display screen 19 at the middle position is installed on the mounting frame 6 by bolts, then a plurality of display screens 19 are spliced, after splicing, the nut 12 drives the adjusting screw rod 10 to rotate reversely, the mounting frame 6 is reset, and the angle of the display screen 19 can be adjusted during use. EMBODIMENT

[0050] On the basis of the first embodiment, the lower end and the right end of the mounting frame 18 are fixedly provided with two symmetrical first connecting frames 20, the first connecting frame 20 is provided with a first recess 21, the upper end and the left end of the mounting frame 18 are fixedly provided with two symmetrical L-shaped connecting frames 22, the L-shaped connecting frame 22 is inserted into the first recess 21 of the first connecting frame 20, and the first connecting frame 20 and the L-shaped connecting frame 22 are connected and fixed through the limiting assembly.

[0051] In actual operation: the mounting frame 18 of the middle position display screen 19 is bolted on the mounting frame 6, and the adjacent two mounting frames 18 are connected by inserting the L-shaped connecting frame 22 into the first recess 21 of the first connecting frame 20. At this time, the adjacent two display screens 19 are spliced together, and the two are fixed through the limiting assembly, so as to realize the quick splicing of the two display screens 19 and improve the convenience and stability of splicing.

[0052] The limiting assembly comprises a first piston cavity 25 provided on the first connecting frame 20, a limiting rod 34 sealingly and slidably installed on the first piston cavity 25, a limiting hole corresponding to the limiting rod 34 provided on the L-shaped connecting frame 22, a second piston cavity 27 fixedly provided on the mounting frame 18, the second piston cavity 27 in sealing communication with the first piston cavity 25 through a gas conveying cavity 26, a second piston plate 30 sealingly and slidably installed in the second piston cavity 27, an adjusting bolt 31 rotatably installed on the second piston plate 30, a second threaded hole 28 fixedly provided at the end of the second piston cavity 27, and the adjusting bolt 31 is threadedly installed in the second threaded hole 28. The second piston plate 30 is driven by the adjusting bolt 31 to extrude the gas in the first piston cavity 25 and the second piston cavity 27, and the limiting rod 34 is pushed into the limiting hole by the first piston plate 32.

[0053] The first connecting frame 20 is provided with a first through hole 24 in communication with the first piston cavity 25, and the limiting rod 34 is slidably installed in the first through hole 24. An elastic component 35 is movably sleeved on the outer circle of the limiting rod 34, one end of the elastic component 35 is fixedly connected with the first piston plate 32, and the other end is fixedly connected with the first piston cavity 25.

[0054] Specifically, the first through hole 24 extends into the first connecting frame 20 on the other side of the first recess 21, the elastic component 35 is a return spring, and the limiting rod 34 is driven by the return spring to retract into the first through hole 24, so that it does not affect the insertion of the L-shaped connecting frame 22 into the first recess 21.

[0055] The mounting frame 18 is provided with a gas conveying cavity 26, and a plurality of first piston cavities 25 are in sealing communication through the gas conveying cavity 26. The second piston cavity 27 is in sealing communication with the gas conveying cavity 26 through a gas conveying pipe 29.

[0056] Specifically: A stop 33 is provided on the side of the first piston plate 32 away from the limiting rod 34. The stop 33 makes the first piston plate 32 and the side of the first piston cavity 25 away from the first through hole 24 reserved, and communicates with the gas delivery cavity 26. The gas delivery pipe 29 is fixed on the second piston cavity 27 and the mounting frame 18.

[0057] In actual operation: Rotating the adjusting bolt 31 along the second screw hole 28 will push the second piston plate 30 to move along the second piston cavity 27, which will compress the gas in the second piston cavity 27. Since the second piston cavity 27 is connected to the first piston cavity 25, the gas pressure in the first piston cavity 25 will increase, which will push the limiting rod 34 along the first through hole 24 through the first piston plate 32. The limiting rod 34 is inserted into the limiting hole, which connects and fixes the first connecting frame 20 and the L-shaped connecting frame 22. At the same time, it compresses the elastic component 35. When disassembly is required, operating the adjusting bolt 31 will drive the second piston plate 30 to reset. Under the action of the elastic component 35, the limiting rod 34 will be driven to reset. Example

[0058] Based on Example 1: Figure 14 As shown, screw holes are provided at the top, bottom, left and right ends of the mounting frame 18. A mounting connecting plate 36 is movably installed between two adjacent mounting frames 18. Through holes are provided at both ends of the connecting plate 36. Bolts are passed through the through holes on the connecting plate 36 and threadedly connected to the screw holes of the mounting frame 18 to connect and fix the two adjacent mounting frames 18.

[0059] The working principle of this utility model is as follows: the operating nut 12 drives the adjusting screw 10 to rotate through the rotating shaft 11, and the adjusting screw 10 drives the sliding block 13 to move along the sliding groove 4 on the support frame 1. The sliding block 13 drives the transmission rod 16 to move, and the transmission rod 16 drives the mounting frame 6 to rotate along the first pin 3 on the support frame 1, thereby adjusting the angle of the mounting frame 6. The mounting frame 18 on the display screen 19 in the middle position is installed on the mounting frame 6 with bolts. Then, multiple display screens 19 are spliced ​​together. After the splicing is completed, the operating nut 12 drives the adjusting screw 10 to rotate in the opposite direction, thereby resetting the mounting frame 6. During use, the angle of the display screen 19 can be adjusted.

[0060] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A structure of a liquid crystal display screen, comprising a support frame (1) and a display screen (19) which can be mounted on a fixed object, characterized in that: One end of the support frame (1) is rotatably provided with a mounting frame (6), the support frame (1) is slidably provided with an adjusting screw (10), the support frame (1) is slidably provided with a sliding block (13), the sliding block (13) is provided with a first screw hole (14), the adjusting screw (10) is screwed in the first screw hole (14), the sliding block (13) and the mounting frame (6) are connected through a transmission rod (16), the sliding block (13) is driven to move along the support frame (1) by operating the adjusting screw (10), the mounting frame (6) is pushed to rotate along the support frame (1) through the transmission rod (16), and a plurality of display screens (19) are spliced with each other and mounted on the mounting frame (6).

2. The liquid crystal splicing screen structure of claim 1, wherein, The support frame (1) is provided with a sliding groove (4), the sliding groove (4) is in a 'concave' shape in cross section, the sliding block (13) is in a 'convex' shape in cross section and corresponds to the sliding groove (4), and the sliding block (13) is slidably arranged in the sliding groove (4).

3. The liquid crystal splicing screen structure of claim 2, wherein, The support frame (1) is provided with a first mounting hole (5) in communication with the sliding groove (4), both ends of the adjusting screw (10) are fixedly provided with a rotating shaft (11), the rotating shaft (11) is rotatably arranged in the first mounting hole (5), and one end of the rotating shaft (11) extends out of the support frame (1) and is fixedly provided with a nut (12).

4. The liquid crystal splicing screen structure of claim 3, wherein, One end of the support frame (1) is fixedly provided with a first pin shaft (3), one end of the mounting frame (6) is fixedly provided with a first shaft sleeve (7), and the first pin shaft (3) is rotatably arranged in the first shaft sleeve (7).

5. The structure of liquid crystal splicing screen according to claim 4, characterized in that, The sliding block (13) is fixedly provided with a second pin shaft (9), the mounting frame (6) is fixedly provided with a third pin shaft (15), both ends of the transmission rod (16) are fixedly provided with a second shaft sleeve (17), and the second pin shaft (9) and the third pin shaft (15) are rotatably arranged in the two second shaft sleeves (17), respectively.

6. The structure of liquid crystal splicing screen according to claim 5, characterized in that, The back of the display screen (19) is fixed to the mounting frame (18), and the mounting frame (18) of the display screen (19) at the middle position is connected and fixed to the mounting frame (6) through bolts.

7. The structure of liquid crystal splicing screen according to any one of claims 1-6, characterized in that, The lower end and the right end of the mounting frame (18) are fixedly provided with two symmetrical first connecting frames (20), the first connecting frame (20) is provided with a first groove (21), the upper end and the left end of the mounting frame (18) are fixedly provided with two symmetrical L-shaped connecting frames (22), the L-shaped connecting frame (22) is inserted into the first groove (21) of the first connecting frame (20), and the first connecting frame (20) and the L-shaped connecting frame (22) are connected and fixed through a limiting assembly.

8. The liquid crystal wall screen structure according to claim 7, wherein, The limiting assembly comprises a first piston cavity (25) formed on the first connecting frame (20), a limiting rod (34) being sealingly and slidably installed on the first piston cavity (25), a limiting hole corresponding to the limiting rod (34) being formed on the L-shaped connecting frame (22), a second piston cavity (27) being fixedly arranged on the mounting frame (18), the second piston cavity (27) being sealingly communicated with the first piston cavity (25) through a gas conveying cavity (26), a second piston plate (30) being sealingly and slidably installed in the second piston cavity (27), an adjusting bolt (31) being rotatably installed on the second piston plate (30), a second threaded hole (28) being formed at an end of the second piston cavity (27), the adjusting bolt (31) being threadedly installed in the second threaded hole (28), the second piston plate (30) being driven by the adjusting bolt (31) to extrude the gas in the first piston cavity (25) and the second piston cavity (27), and the limiting rod (34) being pushed into the limiting hole through the first piston plate (32).

9. The liquid crystal wall screen structure according to claim 8, wherein, A first through hole (24) is formed on the first connecting frame (20) and communicated with the first piston cavity (25), the limiting rod (34) is slidably installed in the first through hole (24), and an elastic member (35) is movably sleeved on the outer ring of the limiting rod (34), one end of the elastic member (35) is fixedly connected with the first piston plate (32), and the other end is fixedly connected with the first piston cavity (25).

10. The liquid crystal wall screen structure according to claim 9, wherein, A gas conveying cavity (26) is formed on the mounting frame (18), a plurality of first piston cavities (25) are sealingly communicated through the gas conveying cavity (26), and the second piston cavity (27) is sealingly communicated with the gas conveying cavity (26) through a gas conveying pipe (29).

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