Modular assembled liquid crystal display screen

Abstract

The utility model discloses a modular assembled liquid crystal display screen, which belongs to the technical field of liquid crystal display screens and comprises a first liquid crystal display screen, a second liquid crystal display screen is arranged at one end of the first liquid crystal display screen, and protective components are arranged on the first liquid crystal display screen and the second liquid crystal display screen. The first liquid crystal display screen and the second liquid crystal display screen are connected through a connecting assembly. By arranging the connecting assembly, the inclined panel on one side of the rear end of the first liquid crystal display screen is inserted into the first inserting groove of the fixing base at the rear end of the second liquid crystal display screen during installation, the inclined panel pushes the inclined plane block to move towards the cavity when making contact with the inclined plane block, and the spring is compressed; after the inclined panel completely enters the first inserting groove, the spring elastically stretches to push the inclined plane block to enter the clamping groove in one end of the inclined panel, the effect of limiting and fixing the first liquid crystal display screen and the second liquid crystal display screen is achieved, and the first liquid crystal display screen and the second liquid crystal display screen can be conveniently and rapidly assembled through the arrangement of the connecting assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid crystal display screen technical field, concretely relates to a module type assembled liquid crystal display screen. BACKGROUND

[0002] Liquid crystal display screen is a kind of equipment using the optical property of liquid crystal material to carry out image display. Its basic working principle is to fill liquid crystal material between two parallel plates, changes the arrangement condition of liquid crystal molecule by voltage, to realize shading and light transmission, and then display image.

[0003] Chinese patent application No.2022222440244 discloses a splicing type liquid crystal display screen, which comprises a first liquid crystal display screen, and a connecting mechanism is fixedly connected to the left side of the upper surface of the first liquid crystal display screen. The splicing type liquid crystal display screen is installed by using the connecting mechanism. First, the first sliding groove in the fixed frame drives the sliding of the first sliding block. The first sliding block drives the extension of the reset spring. The sliding connection plate is moved to the corresponding position. The connecting groove in the sliding connection plate is connected with the connecting block in the second liquid crystal display screen. Through the fixing effect of the C-shaped plates on both sides of the receiving block, the threaded rod movably connected to the front surface of the C-shaped plate is used to realize the connection of the first liquid crystal display screen and the second liquid crystal display screen. The use of this structure achieves the effect of convenient connection. The connecting structure is not exposed outside, which improves the appearance and avoids the problem that the existing structure cannot be stably connected.

[0004] The above-mentioned patent is not convenient for quickly assembling and fixing liquid crystal display screen one and liquid crystal display screen two for use. The original device does not have a protection function and cannot protect the side edges of liquid crystal display screen one and liquid crystal display screen two. The side edges of liquid crystal display screen one and liquid crystal display screen two are easily damaged by impact. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model provides a module type assembled liquid crystal display screen, which has the characteristics of quickly assembling and fixing liquid crystal display screen one and liquid crystal display screen two.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a module type assembled liquid crystal display screen, which comprises liquid crystal display screen one, liquid crystal display screen two is arranged at one end of liquid crystal display screen one, protective components are arranged on liquid crystal display screen one and liquid crystal display screen two, and liquid crystal display screen one and liquid crystal display screen two are connected through a connecting component;

[0007] The connecting assembly comprises a fixed seat, a folded plate, an inclined plane plate, a slot one, an inclined plane block, a cavity, a pull plate, a slide rod, a limiting assembly, a spring and a clamping groove, one end of the fixed seat is provided with the slot one corresponding to the inclined plane plate, a plurality of inclined plane blocks are arranged in the slot one, the fixed seat is provided with the cavity corresponding to the inclined plane blocks, one end of the slide rod is fixed to the inclined plane block, the other end of the slide rod is fixed to the pull plate, the spring is arranged outside the slide rod between the inclined plane block and the fixed seat, one end of the inclined plane plate is provided with the clamping groove corresponding to the inclined plane block, and the limiting assembly is arranged at the position corresponding to the pull plate on the upper end of the fixed seat.

[0008] Preferably, the limiting assembly comprises a vertical plate, a rotating shaft, a rotating plate, a magnetic strip one and a magnetic strip two, the vertical plate is fixed at the position corresponding to the pull plate on the upper end of the fixed seat, the rotating shaft is rotatably connected to one end of the vertical plate, the rotating plate is fixed to the other end of the rotating shaft, the magnetic strip one is connected to one end of the rotating plate, and the magnetic strip two is connected to the position corresponding to the magnetic strip one on one end of the pull plate.

[0009] Preferably, the side edge of the inclined plane plate is tightly attached to the inner wall of the slot one after the inclined plane plate is inserted into the slot one, and the side edge of the inclined plane block is tightly attached to the inner wall of the clamping groove after the inclined plane block is arranged in the clamping groove.

[0010] Preferably, one end of the rotating plate is flush with one end of the pull plate when the pull plate is not pulled, and the rotating shaft is rotatably connected to the vertical plate through damping.

[0011] Preferably, the protection assembly comprises a protection frame, a butt joint groove, a positioning rod, a plug-in plate, a fixing bolt, a fixing hole, a positioning hole and a slot two, the side edges of the liquid crystal display one and the liquid crystal display two are provided with the protection frame, the inner side of the protection frame is provided with the butt joint groove corresponding to the liquid crystal display one and the liquid crystal display two, the positioning rod is arranged on the upper side of one end of the protection frame on one side, the plug-in plate is arranged on the lower side of the positioning rod, the protection frame on the other side is provided with the positioning hole and the slot two corresponding to the positioning rod and the plug-in plate on one end, the plug-in plate is connected to the protection frame on the other side through the fixing bolt, and the fixing hole corresponding to the fixing bolt is arranged in the plug-in plate.

[0012] Preferably, one end of the protection frame is of an open structure, the inner wall of the butt joint groove is bonded with a rubber pad through glue, and the side edge close to the open end of the butt joint groove is provided in an arc structure.

[0013] Compared with the prior art, the connecting assembly has the advantages that:

[0014] 1. The utility model discloses a connecting assembly is set up, and when installing liquid crystal display screen no. 1 and liquid crystal display screen no. 2, the inclined surface board of liquid crystal display screen no. 1 rear end one side is inserted into the slot no. 1 of liquid crystal display screen no. 2 rear end fixed base, when the inclined surface board contacts to the inclined surface block, the inclined surface block is moved to the cavity, and the spring is compressed, and after the inclined surface board completely enters the slot no. 1, the spring is stretched and pushes the inclined surface block to enter the clamping groove of the inclined surface board one end, reaches the effect of limiting and fixing between liquid crystal display screen no. 1 and liquid crystal display screen no. 2, and pulls the pull plate and drives the inclined surface block of slide rod one end to remove from the clamping groove of the inclined surface board, can liquid crystal display screen no. 1 and liquid crystal display screen no. 2 are dismantled, and through setting up connecting assembly, liquid crystal display screen no. 1 and liquid crystal display screen no. 2 can be quickly assembled.

[0015] 2. The utility model discloses a protection assembly is set up, and after liquid crystal display screen no. 1 and liquid crystal display screen no. 2 are assembled, two protection frames are respectively set to liquid crystal display screen no. 1 and liquid crystal display screen no. 2 side edge, and liquid crystal display screen no. 1 and liquid crystal display screen no. 2 enter the butt joint groove of protection frame, and the positioning rod of one side protection frame one end and the plugboard are inserted into the positioning hole and the slot no. 2 of the other side protection frame one end respectively, then again the fixed bolt is screwed into the fixed hole of plugboard, reaches the effect of limiting and fixing to two protection frames, and through setting up protection assembly, liquid crystal display screen no. 1 and liquid crystal display screen no. 2 can be protected, avoid liquid crystal display screen no. 1 and liquid crystal display screen no. 2 side edge knock damage. ACCURACY

[0016] Figure 1 It is the perspective drawing of the utility model;

[0017] Figure 2 It is the rear perspective drawing of the utility model;

[0018] Figure 3 It is the fixed seat cut -away explosion perspective drawing of the utility model;

[0019] Figure 4 It is the utility model Figure 3 A place enlarged view;

[0020] Figure 5 It is the utility model Figure 3 B place enlarged view;

[0021] Figure 6 It is the utility model

[0022] Figure 7 It is the protection frame perspective drawing of the utility model;

[0023] As shown in the figure, 1 is a liquid crystal display screen one; 2 is a connecting assembly; 21 is a fixing base; 22 is a folding plate; 23 is an inclined plane plate; 24 is a slot one; 25 is an inclined plane block; 26 is a cavity; 27 is a pull plate; 28 is a sliding rod; 29 is a limiting assembly; 291 is a vertical plate; 292 is a rotating shaft; 293 is a rotating plate; 294 is a magnetic stripe one; 295 is a magnetic stripe two; 210 is a spring; 211 is a clamping groove; 3 is a protection assembly; 31 is a protection frame; 32 is a butt joint groove; 33 is a positioning rod; 34 is an insertion plate; 35 is a fixing bolt; 36 is a fixing hole; 37 is a positioning hole; 38 is a slot two; 4 is a liquid crystal display screen two. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] Please refer to Figures 1-7 The present application provides the following technical solutions: a modular assembled liquid crystal display screen, comprising a liquid crystal display screen one 1, the liquid crystal display screen one 1 is provided with a liquid crystal display screen two 4 at one end, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 are both provided with a protection assembly 3, and the liquid crystal display screen one 1 and the liquid crystal display screen two 4 are connected through a connecting assembly 2.

[0027] The connecting assembly 2 comprises a fixing base 21, a folding plate 22, an inclined plane plate 23, a slot one 24, an inclined plane block 25, a cavity 26, a pull plate 27, a sliding rod 28, a limiting assembly 29, a spring 210 and a clamping groove 211, wherein the folding plate 22 is fixed at the rear end of the liquid crystal display screen one 1 close to one side of the liquid crystal display screen two 4, the other end of the folding plate 22 is fixed with the inclined plane plate 23, the fixing base 21 is fixed at the rear end of the liquid crystal display screen two 4 corresponding to the inclined plane plate 23, the fixing base 21 is provided with the slot one 24 corresponding to the inclined plane plate 23 at one end, a plurality of inclined plane blocks 25 are arranged in the slot one 24, the cavity 26 corresponding to the inclined plane block 25 is arranged in the fixing base 21, the sliding rod 28 is fixed at one end of the inclined plane block 25, the pull plate 27 is fixed at the other end of the sliding rod 28, the spring 210 is sleeved outside the sliding rod 28 between the inclined plane block 25 and the fixing base 21, the clamping groove 211 corresponding to the inclined plane block 25 is arranged at one end of the inclined plane plate 23, and the limiting assembly 29 is arranged on the fixing base 21 at a position corresponding to the pull plate 27.

[0028] Specifically, the limiting assembly 29 comprises a vertical plate 291, a rotating shaft 292, a rotating plate 293, a magnetic strip one 294 and a magnetic strip two 295. The vertical plate 291 is fixed on the upper end of the fixed seat 21 at a position corresponding to the pull plate 27. The rotating shaft 292 is rotatably connected to one end of the vertical plate 291. The rotating plate 293 is fixed to the other end of the rotating shaft 292. The magnetic strip one 294 is connected to one end of the rotating plate 293. The magnetic strip two 295 is connected to the other end of the pull plate 27 at a position corresponding to the magnetic strip one 294.

[0029] By adopting the above technical scheme, when the pull plate 27 is pulled, the rotating plate 293 is not needed to be rotated on the vertical plate 291 through the rotating shaft 292. After the rotating plate 293 is rotated to the end of the pull plate 27, the magnetic strip one 294 at one end of the rotating plate 293 is adsorbed to the magnetic strip two 295 at the end of the pull plate 27, so as to achieve the effect of adsorbing and fixing between the rotating plate 293 and the pull plate 27. The rotating plate 293 can limit the pull plate 27, so as to avoid the pull plate 27 from being pulled by mistake.

[0030] Specifically, after the inclined surface plate 23 is inserted into the slot one 24, the side of the inclined surface plate 23 is tightly attached to the inner wall of the slot one 24. After the inclined surface block 25 is inserted into the clamping groove 211, the side of the inclined surface block 25 is tightly attached to the inner wall of the clamping groove 211.

[0031] By adopting the above technical scheme, after the inclined surface block 25 is inserted into the clamping groove 211, the inclined surface block 25 can better limit the inclined surface plate 23, so as to avoid the inclined surface plate 23 from shaking in the slot one 24.

[0032] Specifically, when the pull plate 27 is not pulled, the end of the rotating plate 293 is flush with the end of the pull plate 27. The rotating shaft 292 is rotatably connected to the vertical plate 291 through damping.

[0033] By adopting the above technical scheme, the rotating plate 293 is more closely connected to the pull plate 27, so as to better limit the pull plate 27. The rotating shaft 292 is not easily self-rotated on the vertical plate 291.

[0034] When the embodiment is used, when the modular assembled liquid crystal display screen is used, the device is installed at a suitable position, liquid crystal display screen one 1 and liquid crystal display screen two 4 are installed through the setting of the connecting assembly 2, the inclined plane plate 23 at the rear end of one side of the liquid crystal display screen one 1 is inserted into the slot one 24 of the rear end fixing seat 21 of the liquid crystal display screen two 4, when the inclined plane plate 23 contacts the inclined plane block 25, the inclined plane block 25 is pushed to move into the cavity 26, the spring 210 is compressed, after the inclined plane plate 23 completely enters the slot one 24, the spring 210 is stretched to push the inclined plane block 25 into the clamping groove 211 at one end of the inclined plane plate 23, the effect of limiting and fixing between the liquid crystal display screen one 1 and the liquid crystal display screen two 4 is achieved, the inclined plane block 25 at one end of the slide rod 28 is pulled out of the clamping groove 211 of the inclined plane plate 23 by pulling the pull plate 27, so that the liquid crystal display screen one 1 and the liquid crystal display screen two 4 can be disassembled, through the setting of the connecting assembly 2, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 can be quickly assembled, through the setting of the limiting assembly 29, when the pull plate 27 is not pulled, the rotating plate 293 is rotated on the vertical plate 291 through the rotating shaft 292, after the rotating plate 293 is rotated to one end of the pull plate 27, the magnetic strip one 294 at one end of the rotating plate 293 is adsorbed with the magnetic strip two 295 at one end of the pull plate 27, the effect of adsorbing and fixing between the rotating plate 293 and the pull plate 27 is achieved, the rotating plate 293 can limit the pull plate 27, and the pull plate 27 is prevented from being pulled by mistake.

[0035] Embodiment 2

[0036] The difference between the embodiment and the embodiment 1 is that the protection assembly 3 comprises a protection frame 31, a butt joint groove 32, a positioning rod 33, an insertion plate 34, a fixing bolt 35, a fixing hole 36, a positioning hole 37 and a slot two 38, wherein the liquid crystal display screen one 1 and the liquid crystal display screen two 4 are provided with the protection frame 31 at the side edges, the butt joint groove 32 corresponding to the liquid crystal display screen one 1 and the liquid crystal display screen two 4 is formed in the inner side of the protection frame 31, the positioning rod 33 is fixed on the upper side of one end of the one side protection frame 31, the insertion plate 34 is arranged on the lower side of the positioning rod 33, the positioning hole 37 and the slot two 38 corresponding to the positioning rod 33 and the insertion plate 34 are formed in one end of the other side protection frame 31, the insertion plate 34 and the other side protection frame 31 are connected through the fixing bolt 35, and the fixing hole 36 corresponding to the fixing bolt 35 is formed in the insertion plate 34.

[0037] Through the above technical scheme, after the liquid crystal display screen one 1 and the liquid crystal display screen two 4 are assembled, the two protective frames 31 are respectively sleeved to the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 enter the butt joint grooves 32 of the protective frames 31, and the positioning rods 33 and the plug plates 34 at one end of the protective frame 31 on one side are respectively inserted into the positioning holes 37 and the plug grooves two 38 at one end of the protective frame 31 on the other side, then the fixing bolts 35 are screwed into the fixing holes 36 of the plug plates 34, the effect of limiting and fixing the two protective frames 31 is achieved, the protective frame 31 can protect the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 can be protected by arranging the protection assembly 3, and damage caused by knocking of the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4 is avoided.

[0038] Specifically, one end of the protective frame 31 is an open structure, and the inner wall of the butt joint groove 32 is bonded with a rubber pad by glue.

[0039] Through the above technical scheme, one end of the protective frame 31 is an open structure and can be sleeved to the liquid crystal display screen one 1 and the liquid crystal display screen two 4, the inner wall of the butt joint groove 32 is bonded with a rubber pad by glue, and the side edge close to the open end of the butt joint groove 32 is arranged in an arc structure to avoid scratching the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4.

[0040] In use, through the arrangement of the protection assembly 3, after the liquid crystal display screen one 1 and the liquid crystal display screen two 4 are assembled, the two protective frames 31 are respectively sleeved to the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 enter the butt joint grooves 32 of the protective frames 31, and the positioning rods 33 and the plug plates 34 at one end of the protective frame 31 on one side are respectively inserted into the positioning holes 37 and the plug grooves two 38 at one end of the protective frame 31 on the other side, then the fixing bolts 35 are screwed into the fixing holes 36 of the plug plates 34, the effect of limiting and fixing the two protective frames 31 is achieved, the protective frame 31 can protect the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4, the liquid crystal display screen one 1 and the liquid crystal display screen two 4 can be protected by arranging the protection assembly 3, and damage caused by knocking of the side edges of the liquid crystal display screen one 1 and the liquid crystal display screen two 4 is avoided.

[0041] The structure and working principle of the liquid crystal display screen one 1 and the liquid crystal display screen two 4 in the utility model have been disclosed in a splicing type liquid crystal display screen with Chinese patent application No. 2022222440244.

[0042] The utility model discloses a working principle and use flow: module type assembled liquid crystal display screen uses, installs the device in suitable position, through setting up connecting assembly 2, liquid crystal display screen one 1 and liquid crystal display screen two 4 install and insert the inclined plane board 23 of liquid crystal display screen one 1 rear end one side into the slot -one 24 of liquid crystal display screen two 4 rear end fixed base 21, when the inclined plane block 25 is contacted to the inclined plane block 25, and the spring 210 is compressed, and the spring 210 is stretched and pushed to enter the clamping groove 211 of the inclined plane block 23 one end after the inclined plane board 23 completely enters the slot -one 24, reach the effect of limiting and fixing between liquid crystal display screen one 1 and liquid crystal display screen two 4, pull the pull plate 27 and drive the inclined plane block 25 of slide rod 28 one end to remove from the clamping groove 211 of the inclined plane board 23, and liquid crystal display screen one 1 and liquid crystal display screen two 4 can be disassembled, through setting up connecting assembly 2, liquid crystal display screen one 1 and liquid crystal display screen two 4 are assembled quickly, through setting up limiting component 29, when the pull plate 27 is not pulled, the rotating plate 293 is rotated on the vertical plate 291 through the rotating shaft 292, after the rotating plate 293 is rotated to the pull plate 27 one end, the magnetic stripe one 294 of rotating plate 293 one end and the magnetic stripe two 295 of pull plate 27 one end are adsorbed, reach the effect of adsorbing and fixing between rotating plate 293 and pull plate 27, and the rotating plate 293 can limit the pull plate 27, avoid the pull plate 27 mistake, through setting up protection component 3, after liquid crystal display screen one 1 and liquid crystal display screen two 4 are assembled, two protection frames 31 are respectively set to liquid crystal display screen one 1 and liquid crystal display screen two 4 side, and liquid crystal display screen one 1 and liquid crystal display screen two 4 enter the butt joint groove 32 of protection frame 31, and the positioning rod 33 and the plug plate 34 of one side protection frame 31 one end are inserted into the positioning hole 37 and the slot -two 38 of the other side protection frame 31 one end respectively, then the fixed bolt 35 is screwed into the fixed hole 36 of plug plate 34, reach the effect of limiting and fixing of two protection frames 31, and the protection frame 31 can protect the side of liquid crystal display screen one 1 and liquid crystal display screen two 4, through setting up protection component 3, liquid crystal display screen one 1 and liquid crystal display screen two 4 can be protected, avoid the side of liquid crystal display screen one 1 and liquid crystal display screen two 4 to knock damage.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A modular assembled liquid crystal display screen, comprising a liquid crystal display screen one (1), wherein a liquid crystal display screen two (4) is disposed at one end of the liquid crystal display screen one (1), characterized in that: Both LCD screen 1 (1) and LCD screen 2 (4) are equipped with protective components (3), and LCD screen 1 (1) and LCD screen 2 (4) are connected by connecting components (2); The connecting component (2) includes a fixing base (21), a folding plate (22), a slanted plate (23), a slot one (24), a slanted block (25), a cavity (26), a pull plate (27), a slide rod (28), a limiting component (29), a spring (210), and a slot (211). Among them, the folding plate (22) is fixed to the rear end of the liquid crystal display screen one (1) near the side of the liquid crystal display screen two (4), and the slanted plate (23) is fixed to the other end of the folding plate (22). The fixing base (21) is fixed to the rear end of the liquid crystal display screen two (4) at the position corresponding to the slanted plate (23). One end of the fixing base (21) is provided with a groove corresponding to the slanted plate. (23) Corresponding slot one (24), slot one (24) is provided with several inclined blocks (25), the fixed seat (21) is provided with a cavity (26) corresponding to the inclined block (25), one end of the inclined block (25) is fixed with a slide rod (28), the other end of the slide rod (28) is fixed with a pull plate (27), a spring (210) is sleeved on the outside of the slide rod (28) between the inclined block (25) and the fixed seat (21), one end of the inclined panel (23) is provided with a slot (211) corresponding to the inclined block (25), and a limit component (29) is provided at the position corresponding to the pull plate (27) on the upper end of the fixed seat (21).

2. The modular assembled LCD display screen according to claim 1, characterized in that: The limiting component (29) includes a vertical plate (291), a rotating shaft (292), a rotating plate (293), a magnetic stripe one (294), and a magnetic stripe two (295). The vertical plate (291) is fixed at the upper end of the fixed base (21) at a position corresponding to the pull plate (27). One end of the vertical plate (291) is rotatably connected to the rotating shaft (292), and the other end of the rotating shaft (292) is fixed to the rotating plate (293). One end of the rotating plate (293) is engaged with the magnetic stripe one (294), and one end of the pull plate (27) is engaged with the magnetic stripe two (295) at a position corresponding to the magnetic stripe one (294).

3. A modular assembled LCD display screen according to claim 1, characterized in that: After the inclined panel (23) is inserted into the slot one (24), the side of the inclined panel (23) and the inner wall of the slot one (24) are in close contact, as are the side of the inclined block (25) and the inner wall of the slot (211) after the inclined block (25) enters the card slot (211).

4. A modular assembled LCD display screen according to claim 2, characterized in that: When the pull plate (27) is not pulled, one end of the rotating plate (293) is flush with one end of the pull plate (27), and the rotating shaft (292) is connected to the vertical plate (291) by damping rotation.

5. A modular assembled LCD display screen according to claim 1, characterized in that: The protective component (3) includes a protective frame (31), a docking groove (32), a positioning rod (33), a insert plate (34), a fixing bolt (35), a fixing hole (36), a positioning hole (37), and a slot two (38). The protective frame (31) is provided on the side of both the first LCD screen (1) and the second LCD screen (4). The inner side of the protective frame (31) is provided with a docking groove (32) corresponding to the first LCD screen (1) and the second LCD screen (4). A positioning rod (33) is fixed on the upper side of one end of one protective frame (31). An insert plate (34) is provided on the lower side of the positioning rod (33). A positioning hole (37) and a slot two (38) corresponding to the positioning rod (33) and the insert plate (34) are provided on one end of the other protective frame (31). The insert plate (34) is connected to the other protective frame (31) by a fixing bolt (35). A fixing hole (36) corresponding to the fixing bolt (35) is provided in the insert plate (34).

6. A modular assembled LCD display screen according to claim 5, characterized in that: The protective frame (31) has an open structure at one end, and the inner wall of the docking groove (32) is glued with a rubber pad. The side of the docking groove (32) near the open end is set as an arc structure.

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