Positioning structure of LED display screen

Abstract

The positioning structure of the LED display screen comprises a base, a bottom groove is formed in the top end of the base, a rotating rod is rotationally connected to the inner side of the bottom groove, the rotating rod penetrates through the bottom end of a containing frame and is fixedly connected with the containing frame, an arc-shaped toothed rod is fixedly connected to the edge of the side wall of the containing frame, and the arc-shaped toothed rod is meshed with a gear. The gear is rotationally connected to the side wall surface of the side plate; according to the utility model, the display screen is convenient to place by arranging the placing plate in the inclined state, so that the accident of sudden falling in the disassembly and assembly process is avoided to the greatest extent, and the safety and the efficiency during installation are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen positioning technical field, concretely is a kind of positioning structure of LED display screen. BACKGROUND

[0002] As an important information display device, LED display screen is widely used in commercial advertising, stage performance, sports stadium, transportation hub and other fields. During installation and use, the stability and accuracy of the positioning structure are crucial, as they directly affect the installation efficiency, display effect and safety of the display screen.

[0003] The existing LED display screen positioning structure is in a vertical state during disassembly and assembly, which causes the display screen to slide off due to unstable center of gravity or improper operation during placement, posing a safety hazard. Moreover, the traditional structure requires manual fixing during installation, which is inefficient. Therefore, a new technical solution is proposed to solve this problem. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of positioning structure of LED display screen, solve the problem that the existing positioning structure in background art is in vertical state during disassembly and assembly, which causes the display screen to slide off due to unstable center of gravity or improper operation during placement, posing a safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning structure of LED display screen, comprising a base, a bottom groove is formed at the top end of the base, a rotating rod is rotatably connected to the inner side of the bottom groove, the rotating rod penetrates the bottom end of the placement rack and is fixedly connected with the placement rack, an arc-shaped tooth rod is fixedly connected to the edge of the side wall of the placement rack, the arc-shaped tooth rod is engaged with a gear, and the gear is rotatably connected to the surface of the side wall of the side plate.

[0006] In this technical scheme, the placement plate in an inclined state is provided to facilitate the placement of the display screen, thereby maximizing the prevention of sudden falling accidents during disassembly and assembly. After the display screen is placed, the gear rotates to drive the arc-shaped tooth rod and the placement rack to rotate, thereby reaching the vertical position to complete the installation. This is convenient and efficient, without the need for manual fixing, ensuring safety and efficiency during installation.

[0007] Preferably, an adjustment groove is formed in the center of the surface of the placement rack, a lead screw is rotatably connected to the inner side of the adjustment groove, the surface of the lead screw penetrates a clamping block and is threadedly connected with the clamping block, and the top end of the lead screw penetrates the adjustment groove and is fixedly connected with a winding wheel.

[0008] Preferably, the top end of the base is fixedly connected with two vertical rods, the top end of the vertical rods is fixedly connected with a top frame, the side plates are fixedly connected to the side walls of the vertical rods, the surface of the side plate opposite to the gear is fixedly connected with a servo motor, and the tail end of the transmission shaft of the servo motor is fixedly connected with the gear.

[0009] Preferably, the top frame side wall on one side of the placing rack is fixedly connected with a side frame, and the side frame is fixedly connected with a pull cable between the winding wheel.

[0010] Preferably, the top end of the placing rack is provided with a reset slot in the center, and the surface of the lead screw in the reset slot is sleeved with a torsion spring.

[0011] Preferably, the top end of the top frame is provided with a groove on each side surface, and the inner side of the groove is rotatably connected with a baffle.

[0012] Compared with the prior art, the display screen is placed on the inclined placing plate, so that the sudden falling accident in the process of disassembly and assembly is avoided to the greatest extent, the gear is driven to rotate after the display screen is placed, the arc-shaped toothed rod and the placing rack are driven to rotate, the vertical position is reached, the installation is completed, the manual fixing is not needed, and the safety and efficiency during installation are ensured.

[0013] 1. The display screen is placed on the inclined placing plate, so that the sudden falling accident in the process of disassembly and assembly is avoided to the greatest extent, the gear is driven to rotate after the display screen is placed, the arc-shaped toothed rod and the placing rack are driven to rotate, the vertical position is reached, the installation is completed, the manual fixing is not needed, and the safety and efficiency during installation are ensured.

[0014] 2. The display screen is placed on the inclined placing plate, so that the sudden falling accident in the process of disassembly and assembly is avoided to the greatest extent, the gear is driven to rotate after the display screen is placed, the arc-shaped toothed rod and the placing rack are driven to rotate, the vertical position is reached, the installation is completed, the manual fixing is not needed, and the safety and efficiency during installation are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0016] Figure 1 It is a whole view of the present application;

[0017] Figure 2 It is a cross-sectional structure schematic view of the present application;

[0018] Figure 3 It is a local enlarged view of A of the present application.

[0019] In the figure: 1, base; 101, bottom groove; 2, vertical rod; 3, rotating rod; 4, placing rack; 401, adjusting groove; 5, screw rod; 6, clamping block; 7, winding wheel; 8, groove; 801, torsion spring; 9, side frame; 10, pull cable; 11, top frame; 111, reset groove; 12, baffle; 13, arc-shaped toothed rod; 14, side plate; 15, gear; 151, servo motor. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following further elaborates in combination with specific embodiments.

[0021] A positioning structure of an LED display screen, referring to Figures 1 to 3 , comprising a base 1, the top end of the base 1 is fixedly connected with two vertical rods 2, the top end of the vertical rod 2 is fixedly connected with a top frame 11, the top end of the base 1 is provided with a bottom groove 101, the inner side of the bottom groove 101 is rotatably connected with a rotating rod 3, the rotating rod 3 penetrates through the bottom end of a placing rack 4 and is fixedly connected with the placing rack 4, the placing rack 4 is in an inclined state and rotates around the rotating rod 3 as the center, the bottom of the placing rack 4 in the inclined state is provided with a placing groove, and the two sides are provided with blocking plates, when installing the display screen, the display screen is placed on the surface of the placing rack 4, compared with the traditional vertical positioning structure, the device avoids the falling situation in the installation process as much as possible, and the safety in the installation process is ensured.

[0022] Specifically, as shown in Figure 1 , the side wall edge of the placing rack 4 is fixedly connected with an arc-shaped toothed rod 13, the arc-shaped toothed rod 13 is engaged with a gear 15, the gear 15 is rotatably connected to the side wall surface of a side plate 14, the side plate 14 is fixedly connected to the side wall of the vertical rod 2, the surface of the side plate 14 opposite to the gear 15 is fixedly connected with a servo motor 151, and the tail end of the transmission shaft of the servo motor 151 is fixedly connected with the gear 15, after the display screen is placed on the placing rack 4, the servo motor 151 is started at this time, the gear 15 is driven to rotate, so that the arc-shaped toothed rod 13 and the placing rack 4 rotate until reaching the vertical position, so that the positioning and installation of the display screen are completed, which is convenient and fast.

[0023] Specifically, as shown in Figure 2 and Figure 3As shown, the surface of the placing rack 4 is centrally provided with an adjusting groove 401, the inner side of the adjusting groove 401 is rotationally connected with a lead screw 5, the surface of the lead screw 5 is penetrated by a clamping block 6 and is threadedly connected with the clamping block 6, the top end of the lead screw 5 is penetrated through the adjusting groove 401 and is fixedly connected with a winding wheel 7, the side wall of a top rack 11 on one side of the placing rack 4 is fixedly connected with a side rack 9, the side rack 9 and the winding wheel 7 are fixedly connected with a cable 10, in the rotating process of the placing rack 4, the cable 10 on the winding wheel 7 is pulled out, so that the winding wheel 7 and the lead screw 5 rotate, the lead screw 5 rotates and drives the clamping block 6 to move downward, when reaching the vertical position, the clamping block 6 is just clamped at the top edge of the display screen, the fixing of the display screen is completed, and the stability of the display screen is ensured.

[0024] Further, as shown in the drawings, Figure 3 As shown, the top end of the placing rack 4 is centrally provided with a reset groove 111, the surface of the lead screw 5 in the reset groove 111 is sleeved with a torsion spring 801, when it is needed to disassemble the display screen, the placing rack 4 will be inclined again, so that the display screen is prevented from falling, and in the process that the placing rack 4 is inclined, the torsion spring 801 drives the lead screw 5 to rotate reversely, so that the clamping block 6 moves upward and winds the cable 10, the limitation of the display screen is released, after the placing rack 4 returns to the initial inclined position, the display screen can be directly carried down, which is convenient and fast, the torsion spring 801 is connected with the lead screw 5 at one end and is clamped at the side wall edge of the reset groove 111 at the other end, so that the stored elastic potential energy can be released when the placing rack 4 is inclined.

[0025] It should be noted that when the placing rack 4 starts to incline from the vertical state, the upper clamping block 6 will be separated from the display screen, in order to prevent the display screen from suddenly falling forward, the hand is blocked in front of the display screen at this time, and the same is true when the placing rack 4 just reaches the vertical state.

[0026] It is worth mentioning that, as shown in the drawings, Figure 1 As shown, the top end of the top rack 11 is provided with a recess 8 on both sides of the surface, the inner side of the recess 8 is rotationally connected with a baffle 12, when the placing rack 4 reaches the vertical position, the baffle 12 is just contacted with the cross beam of the top rack 11, at this time, the baffle 12 is rotated, the placing rack 4 can be limited in the vertical state, at this time, the servo motor 151 is powered off, and the placing rack 4 will not be inclined again, the stability of the placing rack 4 is ensured, and the pressure of the servo motor 151 is reduced.

[0027] In addition, the components designed in the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the field can fully realize it without further description, and the content protected by the utility model does not involve the improvement of the internal structure and method.

[0028] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A positioning structure of an LED display screen, comprising a base (1), characterized in that: The top end of the base (1) is provided with a bottom groove (101), the inner side of the bottom groove (101) is rotationally connected with a rotating rod (3), the rotating rod (3) penetrates the bottom end of a placing rack (4) and is fixedly connected with the placing rack (4), the side wall edge of the placing rack (4) is fixedly connected with an arc-shaped toothed rod (13), the arc-shaped toothed rod (13) is engaged with a gear (15), and the gear (15) is rotationally connected to the side wall surface of a side plate (14). 2.The positioning structure of the LED display screen according to claim 1, characterized in that: The surface of the placing rack (4) is provided with an adjusting groove (401) in the center, the inner side of the adjusting groove (401) is rotationally connected with a lead screw (5), the surface of the lead screw (5) penetrates a clamping block (6) and is threadedly connected with the clamping block (6), the top end of the lead screw (5) penetrates the adjusting groove (401) and is fixedly connected with a winding wheel (7). 3.The positioning structure of the LED display screen according to claim 1, characterized in that: The top end of the base (1) is fixedly connected with two vertical rods (2), the top end of the vertical rod (2) is fixedly connected with a top rack (11), the side plate (14) is fixedly connected to the side wall of the vertical rod (2), the surface of the side plate (14) on the opposite side of the gear (15) is fixedly connected with a servo motor (151), and the tail end of the transmission shaft of the servo motor (151) is fixedly connected with the gear (15). 4.The positioning structure of the LED display screen according to claim 1, characterized in that: The side wall of the top rack (11) on one side of the placing rack (4) is fixedly connected with a side rack (9), and a cable (10) is fixedly connected between the side rack (9) and the winding wheel (7). 5.The positioning structure of the LED display screen according to claim 1, characterized in that: The top end of the placing rack (4) is provided with a reset groove (111) in the center, and the surface of the lead screw (5) on the inner side of the reset groove (111) is sleeved with a torsion spring (801). 6.The positioning structure of the LED display screen according to claim 3, characterized in that: The top end of the top rack (11) is provided with a recess (8) on both sides of the surface, and the inner side of the recess (8) is rotationally connected with a baffle (12).

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