LED display screen with protection performance

Abstract

The invention discloses an LED display screen with protection performance, and belongs to the technical field of LED display screens. Comprising two symmetrically-arranged bottom plates, a protective shell is arranged between the two bottom plates, supporting foot stools are movably arranged on the two sides of the bottom plates, driving assemblies used for adjusting the supporting foot stools are arranged at the tops of the bottom plates, and connecting assemblies driven by the driving assemblies to drive the supporting foot stools to be adjusted are arranged between the output ends of the driving assemblies and the supporting foot stools. A transmission assembly is arranged in the driving assembly, a mounting plate is arranged at the top of the transmission assembly, a mounting frame is arranged on the inner side of the mounting plate, and an LED display screen is detachably arranged on the mounting frame; according to the invention, through the arrangement of the protective shell, the display screen can be stored in the protective shell when the display screen is not used, and the display screen can be cleaned, so that a good protective effect is achieved; and during use, the display screen can be moved out of the protective shell so as to facilitate use.

Description

Technical Field

[0001] The invention relates to the technical field of LED display screens, and in particular to an LED display screen with protective performance. Background Art

[0002] LED display screen is a device composed of several LED module panels, used to display various information such as text, images, videos, etc. It has the advantages of bright colors, stable operation and long life. It is widely used in cultural performances, information dissemination, news release, commercial media, etc.

[0003] After searching, a Chinese patent with application number CN202222157345.0 discloses a protective LED display screen, including a mounting shell, the inner surface of the mounting shell is provided with a display screen body, the front end outer surface of the mounting shell is provided with a detachable protective cover device for improving the protective performance of the display screen body, the detachable protective cover device includes a mounting frame and an embedded frame, the inner surface of the embedded frame is provided with tempered glass, and the upper end outer surface of the embedded frame is provided with a handle. The protective LED display screen described in the utility model is provided with a detachable protective cover device, and the tempered glass can effectively protect the display screen body in the mounting shell, which can avoid damage to the surface of the display screen body caused by bumps, improve the protective performance of the display screen body, and increase the service life. When it is needed, the embedded frame can be removed from the mounting frame. The structure is simple and the operation is convenient, which improves the convenience of using the device.

[0004] Although the above-mentioned device can provide certain protection for the display screen body when in use, the structure of the above-mentioned device is relatively fixed, and it is difficult to store and unfold it, which makes transportation and storage inconvenient and the flexibility when in use is poor. Secondly, the operation of the above-mentioned device is relatively cumbersome when in use, which makes it inconvenient to use. Therefore, the above-mentioned device still has certain shortcomings. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that although the display screen in the prior art has a certain protective effect, its structure is relatively fixed, and it is difficult to store and unfold it, which makes it inconvenient to transport and store it, and its flexibility during use is poor. Secondly, the operation during use is cumbersome, which makes it inconvenient to use. A LED display screen with protective performance is proposed to solve the problem that

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A LED display screen with protective performance comprises two symmetrically arranged base plates and walking wheels arranged at the bottom of the base plates, a protective shell is arranged between the two base plates, supporting legs are movably arranged on both sides of the base plates, a driving component for adjusting the supporting legs is arranged on the top of the base plates, a connecting component for driving the supporting legs to be adjusted under the drive of the driving component is arranged between the output end of the driving component and the supporting legs, a transmission component is arranged inside the driving component, a mounting plate is arranged on the top of the transmission component, a mounting frame is arranged on the inner side of the mounting plate, a clamping and fixing component for facilitating installation and disassembly of the LED display screen is arranged on the mounting frame, and a cleaning component for cleaning the LED display screen is arranged inside the protective shell.

[0008] As a preferred technical solution of the present application, the support leg comprises a support leg which is slidably connected to the base plate and can rotate relative to the base plate, the end of the support leg is chamfered, and the end of the support leg is provided with anti-slip grooves.

[0009] As a preferred technical solution of the present application, a first slide groove is arranged on the inner side of the base plate, a connecting column matching with the first slide groove is arranged on the supporting foot, and matching grooves matching with the supporting foot are arranged on the upper and lower sides of the base plate.

[0010] As a preferred technical solution of the present application, the driving assembly includes a first driving motor arranged at the bottom of the base plate, a driving screw arranged at the output end of the first driving motor, and a guide rod arranged at the top of the base plate.

[0011] As a preferred technical solution of the present application, the connecting assembly includes a connecting plate threadedly connected to the driving screw and slidably connected to the guide rod, and a connecting rod rotatably arranged between the connecting plate and the supporting foot.

[0012] As a preferred technical solution of the present application, the transmission assembly includes a transmission screw threadedly connected to the driving screw and a sliding rod slidably connected to the guide rod.

[0013] As a preferred technical solution of the present application, both of the mounting plates are provided with a cover plate matching with the protective shell through hinges.

[0014] As a preferred technical solution of the present application, the clamping and fixing assembly includes a driving component rotatably arranged at the bottom of the mounting frame, two sliders arranged at the output end of the driving component, and two first clamping blocks arranged at the top of the two sliders, and the output ends of the two first clamping blocks are connected to the second clamping block through a connecting piece, wherein the end of the slider away from the driving component passes through the mounting frame and extends upward, and the mounting frame is provided with a second slide groove matching the slider.

[0015] As a preferred technical solution of the present application, the connecting member includes two adjusting screws respectively connected to the first clamping block and the second clamping block and a threaded sleeve arranged between the two adjusting screws for adjusting the distance between the first clamping block and the second clamping block.

[0016] As a preferred technical solution of the present application, the cleaning component includes a second drive motor arranged on the side wall of the protective shell, a transmission shaft arranged inside the protective shell and connected to the output end of the second drive motor at one end, a cleaning brush arranged on the outer wall of the transmission shaft and abutting against the surface of the LED display screen, and a dust collection component arranged on the outer wall of the protective shell and connected to the interior of the shell and cooperating with the cleaning brush.

[0017] Compared with the prior art, the present invention provides a protective LED display screen, which has the following beneficial effects:

[0018] 1. The protective LED display screen can be stored in the protective shell when not in use, thereby achieving good protective effect. The driving assembly and the transmission assembly are configured to cooperate with the protective shell, so that the display screen can be moved out of the protective shell for easy use, and its height can be adjusted to increase flexibility during use.

[0019] 2. The protective LED display screen can automatically adjust the support legs when the display screen is moved out of the protective housing through the provided driving components and connecting components, so that the support legs are in contact with the ground to prevent the device from moving during use, thereby limiting the display screen to a certain extent, improving the stability during use, and preventing the display screen from being damaged due to movement during practical use;

[0020] 3. The protective LED display screen has running wheels. After the display screen is stored, the supporting legs are also stored inside the bottom plate and away from the ground. At this time, the display screen can be conveniently transported and carried by the running wheels.

[0021] 4. The protective LED display screen can be unfolded and stored, so it is convenient to use the display screen, transport and store it. Through the setting of the mounting frame and the clamping and fixing components, the LED display screen can be easily installed and disassembled, and can also be easily maintained.

[0022] 5. The LED display screen with protective performance, through the provided cleaning component, when the LED display screen is stored in the protective shell, the provided dust collection component can effectively collect the dust and dirt generated during the cleaning process, maintain the cleanliness of its surface, and improve its use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The structure of the present invention is schematically shown Figure 1 ;

[0024] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0025] Figure 3 It is a cross-sectional structural diagram of the present invention;

[0026] Figure 4 It is a front view of the internal structure of the present invention;

[0027] Figure 5 The structure of the LED display screen of the present invention when unfolded Figure 1 ;

[0028] Figure 6 The structure of the LED display screen of the present invention when unfolded is shown in FIG. Figure 2 ;

[0029] Figure 7 This is a side view of the LED display screen of the present invention when it is unfolded;

[0030] Figure 8 It is a structural schematic diagram of the bottom plate of the present invention;

[0031] Fig. 9 It is a schematic diagram of the structure of the supporting foot in the present invention.

[0032] In the figure:

[0033] 100, bottom plate; 101, protective shell; 102, first slide; 103, connecting column; 104, matching groove; 105, walking wheel; 106, cover plate; 200, supporting frame; 201, supporting foot; 202, anti-skid pattern; 300, driving assembly; 301, connecting assembly; 302, first driving motor; 303, driving screw; 304, guide rod; 305, connecting plate; 306, connecting rod; 307, limit block; 400, transmission assembly; 401, transmission screw; 402, slide Rod; 500, mounting plate; 501, mounting frame; 502, LED display; 503, clamping and fixing assembly; 504, driving component; 5041, bidirectional screw rod; 5042, anti-slip sleeve; 505, slider; 506, first clamping block; 507, connecting piece; 508, second clamping block; 509, second slide groove; 510, adjusting screw; 511, threaded sleeve; 600, cleaning assembly; 601, second driving motor; 602, transmission shaft; 603, cleaning brush; 604, dust collection component. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0035] Example:

[0036] Reference Figure 1-7 , a LED display screen with protective performance, comprising two symmetrically arranged bottom plates 100 and walking wheels 105 arranged at the bottom of the bottom plates 100, a protective shell 101 is arranged between the two bottom plates 100, supporting legs 200 are movably arranged on both sides of the bottom plates 100, a driving component 300 for adjusting the supporting legs 200 is arranged on the top of the bottom plates 100, a connecting component 301 for driving the supporting legs 200 to be adjusted under the drive of the driving component 300 is arranged between the output end of the driving component 300 and the supporting legs 200, a transmission component 400 is arranged inside the driving component 300, a mounting plate 500 is arranged on the top of the transmission component 400, a mounting frame 501 is arranged inside the mounting plate 500, a clamping and fixing component 503 for facilitating the installation and disassembly of the LED display screen 502 is arranged on the mounting frame 501, and a cleaning component 6 for cleaning the LED display screen 502 is arranged inside the protective shell 101 00, when the LED display screen 502 is stored inside the protective shell 101 through the protective shell 101, it can effectively play a protective effect and avoid damage from the outside. By starting the driving component 300, the LED display screen 502 can be moved out of the protective shell 101 for use in conjunction with the transmission component 400. The connecting component 301 can be used to adjust the supporting leg 200 so that the supporting leg 200 can play a supporting effect, thereby stabilizing the LED display screen 502 and avoiding movement during use, thereby improving stability during use. At the same time, the cleaning component 600 is used, when the LED display screen is stored inside the protective shell 101, the dust collection component 604 is used to effectively collect dust and dirt generated during the cleaning process, maintain the cleanliness of its surface, improve its use effect, and at the same time, improve the service life of the LED display screen 502.

[0037] Reference Figure 1 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As a preferred technical solution of the present application, the support leg 200 includes a support leg 201 which is slidably connected to the base plate 100 and can rotate relative to the base plate 100. The support leg 201 can slide and rotate along the base plate 100, so that the support leg 201 can be unfolded and stored. Therefore, it can be adjusted according to the usage situation to improve the convenience of use.

[0038] A first slide groove 102 is arranged on the inner side of the base plate 100, and a connecting column 103 matching with the first slide groove 102 is arranged on the support foot 201. The arrangement of the first slide groove 102 and the connecting column 103 can make the support foot 201 more stable when moving along the base plate 100, thereby improving the stability during adjustment.

[0039] Specifically, the support leg 201 can be telescopically moved laterally along the base plate 100 to increase the support range and make the support more stable. At the same time, through the first slide groove 102 and the connecting column 103, when the rear end of the support leg 201 moves to the end of the base plate 100, it can also rotate along the connecting column 103, so that the support leg 201 contacts the ground and effectively supports the LED display screen 502, and keeps the walking wheel 105 away from the ground to avoid movement during use, thereby achieving the effect of fixing the equipment and ensuring stability during use.

[0040] Reference Fig. 9 The end of the supporting foot 201 is chamfered, and the end of the supporting foot 201 is provided with an anti-slip pattern 202. Through the chamfered setting, when the supporting foot 201 is adjusted to contact the ground, it can fit more closely with the ground, thereby improving the stability of the supporting foot 201 during support. The anti-slip pattern 202 is provided to enhance the contact effect with the ground, improve stability and anti-slip effect, and make it more stable when used.

[0041] The upper and lower sides of the bottom plate 100 are both provided with matching grooves 104 that match the supporting feet 201. Specifically, the depth of the matching groove 104 located at the upper part is greater than the depth of the matching groove 104 located at the lower part. When in use, driven by the connecting component 301, when the connecting column 103 on the supporting foot 201 moves to the tail end of the first slide groove 102, the connecting component 301 continues to drive the supporting foot to rotate along the axis of the connecting column 103, matching the matching grooves 104 set at the upper and lower parts of the bottom plate 100. This will not affect the normal rotation of the support leg, so that it can contact the ground. Furthermore, when the support leg 201 is retracted, the end of the support leg 201 will be against the inner wall of the base plate 100. At this time, the support leg 201 and the base plate 100 are on the same horizontal line. Driven by the connecting component 301, they can be retracted into the inside of the base plate 100 to complete the storage of the support leg 200. At this time, it can not only provide good protection for the LED display screen 502 to prevent it from being damaged, but also facilitate its storage.

[0042] Reference Figure 1-7 The driving component 300 includes a first driving motor 302 arranged at the bottom of the base plate 100, a driving screw 303 arranged at the output end of the first driving motor 302, and a guide rod 304 arranged at the top of the base plate 100. When in use, the first driving motor 302 is started to drive the driving screw 303 connected to its output end to rotate, and the guide rod 304 provided in cooperation can drive the connecting component 301 to move up and down along the guide rod 304. It should be noted that the height of the first driving motor 302 is less than the height of the walking wheel 105, that is, when the walking wheel 105 contacts the ground, there is a certain gap between the first driving motor 302 and the ground to ensure the feasibility of the equipment operation. Secondly, the connecting component 301 provided in cooperation can drive the supporting foot 201 to extend and rotate along the base plate 100, so as to contact the ground, play a limiting effect, and avoid movement during practical use.

[0043] The connecting assembly 301 includes a connecting plate 305 threadedly connected to the driving screw rod 303 and slidably connected to the guide rod 304, and a connecting rod 306 rotatably arranged between the connecting plate 305 and the supporting foot 201. It should be noted that a limit block 307 is arranged on the top of the driving screw rod 303 and the guide rod 304 to avoid over-adjustment. Specifically, when the driving screw rod 303 rotates, the guide rod 304 arranged in cooperation can drive the connecting plate 305 to move upward or downward along the guide rod 304. When moving upward, a pulling force is generated on the supporting foot 201 through the arranged connecting rod 306, and then the unfolded supporting foot 201 is stored inside the base plate 100. Correspondingly, when the connecting plate 305 moves downward driven by the driving screw rod 303, a thrust is generated on the supporting foot 201, and the supporting foot 201 is pushed out of the base plate 100 to be unfolded and contact the ground, thereby achieving a fixing effect.

[0044] The transmission assembly 400 includes a transmission screw 401 threadedly connected to the driving screw 303 and a slide rod 402 slidably connected to the guide rod 304. Specifically, the driving screw 303 is provided with an internal thread that matches the transmission screw 401. When the driving screw 303 rotates, the matching slide rod 402 can drive the mounting plate 500 to move upward or downward. It should be noted that the movement direction of the mounting plate 500 is opposite to the movement direction of the connecting plate 305, that is, when the mounting plate 500 moves upward, the connecting plate 305 moves downward, and when the mounting plate 500 moves downward, the connecting plate 305 moves upward, so as to realize the overall storage and expansion operation of the equipment.

[0045] Reference Figure 1-3 , both mounting plates 500 are provided with a cover plate 106 that matches with the protective shell 101 through hinges. When the LED display screen 502 is stored in the protective shell 101, the top of the protective shell 101 can be covered by the set cover plate 106. It should be noted that there are two cover plates 106, which are respectively connected to the two mounting plates 500, and a buckle is provided between the two cover plates 106, so that the two cover plates 106 can be snapped together.

[0046] Reference Figure 1-7The clamping and fixing assembly 503 includes a driving component 504 rotatably arranged at the bottom of the mounting frame 501, two sliders 505 arranged at the output end of the driving component 504, and two first clamping blocks 506 arranged at the top of the two sliders 505. The output ends of the two first clamping blocks 506 are connected to the second clamping blocks 508 through the connecting piece 507, wherein the end of the slider 505 away from the driving component 504 passes through the mounting frame 501 and extends upward, and the mounting frame 501 is provided with a second slide groove 509 matched with the slider 505. Specifically, the driving component 504 includes a bidirectional screw rod 506 arranged at the bottom of the mounting frame 501 through a connecting block. 41 and an anti-slip sleeve 5042 arranged on the outer wall of the bidirectional screw rod 5041, wherein the first clamping block 506 and the second clamping block 508 of the two sliders 505 are both provided with a slot matched with the LED display screen 502, and a rubber pad is arranged in the slot, which can not only well fix the LED display screen 502, but also avoid damage to it during fixation. The LED display screen 502 can be conveniently and quickly installed and disassembled by the arranged driving component 504, the first clamping block 506, the second clamping block 508 and the connecting piece 507, which simplifies the installation and disassembly process and improves the stability and safety of the display screen;

[0047] The connecting piece 507 includes two adjusting screws 510 respectively connected to the first clamping block 506 and the second clamping block 508, and a threaded sleeve 511 arranged between the two adjusting screws 510 for adjusting the distance between the first clamping block 506 and the second clamping block 508, wherein the threaded sleeve 511 is threadedly connected to the two adjusting screws 510, and the co-arranged connecting piece 507 can adjust the distance between the first clamping block 506 and the second clamping block 508, and the co-arranged driving component 504 makes it easy to clamp and fix different models of LED display screens 502, thereby improving its applicability.

[0048] Reference Figure 1-3The cleaning component 600 includes a second driving motor 601 arranged on the side wall of the protective shell 101, a transmission shaft 602 arranged inside the protective shell 101 and connected to the output end of the second driving motor 601 at one end, a cleaning brush 603 arranged on the outer wall of the transmission shaft 602 and abutting against the surface of the LED display screen 502, and a dust collecting component 604 arranged on the outer wall of the protective shell 101 and connected to the interior thereof and cooperating with the cleaning brush 603. Specifically, the cleaning component 600 is arranged at the upper end of the protective shell 101. When the LED display screen is When 502 is stored in the protective shell 101, the dust on the surface of the LED display screen can be cleaned by the cleaning brush 603. Furthermore, the dust collection component 604 can absorb the cleaned dust to prevent it from floating in the air again and causing secondary pollution to the LED display screen 502, thereby maintaining the cleanliness of the surface of the LED display screen 502 and improving the use effect of the LED display screen 502. The specific dust collection component 604 has the same structure as the vacuum cleaner, which is an existing mature technology and will not be described in detail in this application.

[0049] Specifically, when the LED display screen with protective performance is in use: convenient movement is achieved by setting the walking wheels 105 at the bottom of the base plate 100 to move the device to a specified position. After moving to the specified position, the cover plate 106 is opened, and the first driving motor 302 is started to drive the driving screw rod 303 connected to its output end to rotate forwardly. When the driving screw rod 303 rotates forwardly, it drives the connecting plate 305 to move downward, and the matching connecting rod 306 will have a corresponding pushing effect on the supporting foot 201, driving the supporting foot 201 to extend out of the base plate 100 until the connecting column 103 at the tail end of the supporting foot 201 reaches the end of the first slide groove 102, and the connecting plate 305 continues to move downward. At this time, the thrust of the connecting rod 306 will drive the supporting foot 201 to rotate, and then the supporting foot 201 will contact the ground, which has a limiting effect on the base plate 100 to avoid movement during use. Further, when the driving screw rod 303 rotates forwardly, the matching sliding rod 402 will drive the transmission screw rod 401 The first drive motor 302 is used to start the first driving motor 302, and the first driving motor 303 is used to start the first driving motor 302. The first driving motor 302 is used to start the second driving motor 303, and the second driving motor 303 is used to start the second driving motor 302. The first driving motor 302 is used to start the second driving motor 303, and the second driving motor 303 is used to start the second driving motor 302. The first driving motor 302 is used to start the second driving motor 302, and the second driving motor 303 is used to start the second driving motor 302. The first driving motor 302 is used to start the second driving motor 303, and the second driving motor 303 is used to start the second driving motor 302. The first driving motor 302 is used to start the second driving motor 302, and the second driving motor 303 is used to start the second driving motor 303. The first driving motor 302 is used to start the second driving motor 302, and the second driving motor 303 is used to start the second driving motor 303. The first driving motor 302 is used to start the second driving motor 302, and the second driving motor 303 is used to start the second driving motor 303.

[0050] Furthermore, when the LED display screen 502 is stored in the protective housing 101 during use, the second driving motor 601 is started to drive the transmission shaft 602 at its output end to rotate, and then the cleaning brush 603 connected to the outer wall thereof is driven to rotate. Since the cleaning brush 603 is in contact with the LED display screen 502, the dust on the surface thereof can be cleaned when it rotates. Furthermore, the dust collecting component 604 provided in cooperation can absorb the cleaned dust to prevent it from floating in the air again and causing secondary pollution to the LED display screen 502, thereby maintaining the cleanliness of the surface of the LED display screen and improving the use effect and service life of the LED display screen.

[0051] When installing and disassembling the LED display screen, when it is necessary to fix the LED display screen, the anti-slip sleeve 5042 is rotated in the forward direction to drive the bidirectional screw rod 5041 to rotate, and then the two sliders 505 are driven to approach each other, and then the two first clamping blocks 506 and the second clamping blocks 508 connected thereto are driven to approach each other, so that the LED display screen can abut against the two first clamping blocks 506, and the LED display screen is placed on the first clamping blocks 506. At this time, it is not in a clamped and fixed state, and then the threaded sleeve 511 is rotated to drive the two adjusting screws 510 to approach each other so that the second clamping block 508 abuts against the LED display screen 502, and then Continue to rotate the anti-skid sleeve 5042 forward to drive the two first clamping blocks 506 and the second clamping block 508 to move horizontally to clamp and fix the LED display screen, so that the installation and fixation of the LED display screen can be easily and conveniently completed. Accordingly, when it is necessary to disassemble, maintain or replace it, rotate the anti-skid sleeve 5042 to drive the two adjusting screws 510 away from each other, and release the clamping and fixation of the LED display screen by the second clamping block 508. Then, rotate the threaded sleeve 511 in the opposite direction to drive the two first clamping blocks 506 away from each other, so that the clamping and fixation of the LED display screen 502 can be completely released, and it can be conveniently removed for maintenance and other operations.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective LED display screen, comprising two symmetrically arranged bottom plates (100) and running wheels (105) arranged at the bottom of the bottom plates (100), characterized in that: A protective shell (101) is arranged between the two base plates (100), support legs (200) are movably arranged on both sides of the base plate (100), a driving component (300) for adjusting the support legs (200) is arranged on the top of the base plate (100), a connecting component (301) for driving the support legs (200) to be adjusted under the drive of the driving component (300) is arranged between the output end of the driving component (300) and the support legs (200), a transmission component (400) is arranged inside the driving component (300), a mounting plate (500) is arranged on the top of the transmission component (400), a mounting frame (501) is arranged inside the mounting plate (500), a clamping and fixing component (503) for facilitating the installation and removal of the LED display screen (502) is arranged on the mounting frame (501), and a cleaning component (600) for cleaning the LED display screen (502) is arranged inside the protective shell (101).

2. The LED display screen with protective performance according to claim 1, characterized in that: The support leg (200) comprises a support leg (201) which is slidably connected to the base plate (100) and can rotate relative to the base plate (100); the end of the support leg (201) is chamfered, and the end of the support leg (201) is provided with an anti-slip pattern (202).

3. The LED display screen with protective performance according to claim 1, characterized in that: A first slide groove (102) is arranged on the inner side of the base plate (100), a connecting column (103) matching with the first slide groove (102) is arranged on the supporting foot (201), and matching grooves (104) matching with the supporting foot (201) are arranged on the upper side and the lower side of the base plate (100).

4. The LED display screen with protective performance according to claim 1, characterized in that: The driving assembly (300) comprises a first driving motor (302) arranged at the bottom of the base plate (100), a driving screw rod (303) arranged at the output end of the first driving motor (302), and a guide rod (304) arranged at the top of the base plate (100).

5. The LED display screen with protective performance according to claim 4, characterized in that: The connection assembly (301) comprises a connection plate (305) threadedly connected to the driving screw rod (303) and slidably connected to the guide rod (304), and a connection rod (306) rotatably arranged between the connection plate (305) and the supporting foot (201).

6. The LED display screen with protective performance according to claim 5, characterized in that: The transmission assembly (400) comprises a transmission screw (401) threadedly connected to the driving screw (303) and a sliding rod (402) slidably connected to the guide rod (304).

7. The LED display screen with protective performance according to claim 1, characterized in that: The two mounting plates (500) are both provided with a cover plate (106) matched with the protective shell (101) via a hinge.

8. The LED display screen with protective performance according to claim 1, characterized in that: The clamping and fixing assembly (503) comprises a driving component (504) rotatably arranged at the bottom of the mounting frame (501), two sliders (505) arranged at the output end of the driving component (504), and two first clamping blocks (506) arranged at the top of the two sliders (505), and the output ends of the two first clamping blocks (506) are connected to the second clamping blocks (508) through the connecting piece (507), wherein one end of the slider (505) away from the driving component (504) passes through the mounting frame (501) and extends upward, and the mounting frame (501) is provided with a second slide groove (509) that matches the slider (505).

9. The LED display screen with protective performance according to claim 8, characterized in that: The connecting member (507) comprises two adjusting screws (510) respectively connected to the first clamping block (506) and the second clamping block (508), and a threaded sleeve (511) arranged between the two adjusting screws (510) for adjusting the distance between the first clamping block (506) and the second clamping block (508).

10. The LED display screen with protective performance according to claim 1, characterized in that: The cleaning component (600) comprises a second drive motor (601) arranged on the side wall of the protective shell (101), a transmission shaft (602) arranged inside the protective shell (101) and having one end connected to the output end of the second drive motor (601), a cleaning brush (603) arranged on the outer wall of the transmission shaft (602) and abutting against the surface of the LED display screen (502), and a dust collection component (604) arranged on the outer wall of the protective shell (101) and connected to the interior thereof and cooperating with the cleaning brush (603).

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