Size-adjustable LED screen background frame structure

Abstract

The utility model relates to a size-adjustable LED screen background frame structure, which is structurally characterized in that four corners of adjacent screen units are respectively provided with a pair of square plates, the two square plates are arranged in parallel and are respectively connected with a screw rod close to the four corners, the end parts of the screw rods are connected with the back surfaces of the screen units, and a single-row frame is connected between the adjacent square plates in the vertical direction. The adjacent single-bent frames in the vertical direction are connected through screws, rectangular pipes on one sides of rectangular frame bodies of the single-bent frames are pressed between two square plates, the bottommost screen units are supported on supporting rods, the ends of the adjacent supporting rods are connected through transverse connecting pieces, and the bottom of each bottommost single-bent frame and the middle of the adjacent supporting rod are supported on a support. Foot cups and moving wheels are installed at the bottom of the support. The LED screen background frame has the advantages that the height and the length in the horizontal direction of the background frame can be adjusted according to use requirements, the LED screen background frame is matched with an LED screen with the corresponding size, mobility is achieved, structural stability is good, the LED screen background frame is not prone to toppling, storage and transportation are effectively simplified, loading and unloading efficiency can be effectively improved, and use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of LED screen background frame structure, specifically to a kind of movable, size adjustable LED screen background frame structure. BACKGROUND

[0002] Large LED screen is widely used in stage performance, outdoor publicity and the like, generally according to size demand by several screen units splicing, and is supported by background frame structure during installation.

[0003] The prior art LED screen background frame structure is generally fixed size, cannot be adjusted in size according to demand change on site, and generally cannot be moved conveniently, there is limitation in installation and use, and storage, loading and unloading are complicated, and use cost is higher. INVENTION CONTENTS

[0004] The utility model provides size adjustable LED screen background frame structure, which aims to overcome the above-mentioned deficiencies of the prior art, and realizes convenient size adjustment and mobility under the premise of ensuring stability.

[0005] The technical solution of the utility model is: size adjustable LED screen background frame structure, which includes screen unit, single-row frame, horizontal rod, support and support rod. The screen units are arranged in a rectangular array with their edges closely adjacent to each other. Each adjacent screen unit has a pair of plates at its four corners. The two plates are parallel and connected to a screw rod near the four corners. The screw rod is connected to the back of the screen unit. The single-row frames are connected between the adjacent plates in the vertical direction. The single-row frames are connected by screws in the vertical direction. The single-row frame includes a rectangular frame composed of rectangular tubes. The rectangular tube on one side of the rectangular frame is pressed between the two plates. The bottommost screen unit is supported on the support rod. The adjacent support rods are connected by a horizontal connecting piece. The bottom of each bottommost single-row frame and the middle of each adjacent support rod are supported on a support. The support has a foot cup and a moving wheel at its bottom. During assembly, the height can be adjusted by increasing or decreasing the vertical single-row frame. The horizontal length can be adjusted by increasing or decreasing the horizontal single-row frame, the bottom support rod and the support.

[0006] Preferably, the single-row frame further includes a circular tube horizontally arranged in the middle of the frame. The circular tubes of adjacent single-row frames in the horizontal direction are connected by a horizontal rod. This can improve the stability of the horizontal structure.

[0007] Preferably, the support comprises a rectangular frame composed of square tubes, an intermediate tube is connected between the middle of the top of the frame, a support tube is vertically connected between the middle of one side of the intermediate tube and the square tube of the opposite frame, a vertical connecting plate is vertically arranged outside the middle of the square tube of the opposite frame, a support rod is supported on the top of the square tube of the opposite frame and the vertical connecting plate is connected with the support rod through screws, a single row frame is supported on the support tube and the intermediate tube and connected through screws, and a foot cup and a shift wheel are installed on the bottom of the frame.

[0008] The background rack has the advantages that the structure is reasonable, the height and the horizontal length of the background rack can be adjusted according to the use requirement, the background rack is suitable for LED screens of different sizes, the background rack is movable, the structure is stable and not easy to fall, the storage and transportation are simplified, the loading and unloading efficiency is improved, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is an embodiment structure schematic view of the size-adjustable LED screen background rack structure.

[0010] Figure 2 is another angle structure schematic view of an embodiment of the size-adjustable LED screen background rack structure.

[0011] Figure 3 is Figure 1 、 2 structure schematic view of the support.

[0012] 1 in the figure is a screen unit, 2 is a single row frame, 3 is a horizontal rod, 4 is a support, 41 is a frame, 42 is an intermediate tube, 43 is a support tube, 44 is a vertical connecting plate, 5 is a foot cup, 6 is a shift wheel, 7 is a support rod, 71 is a horizontal connecting plate, 8 is a square plate. DETAILED DESCRIPTION

[0013] The utility model will be further explained in detail in combination with the embodiment and the specific implementation.

[0014] For example, Figure 1 、 2As shown, the adjustable LED screen background frame structure includes a screen unit 1, a single-row frame 2, a crossbar 3, a support 4, and a support rod 7. Several screen units 1 are arranged in a rectangular array with their edges closely touching. Each of the four corners of an adjacent screen unit 1 has a pair of square plates 8. The two square plates 8 are arranged parallel to each other and are connected to a screw near the four corners. The ends of the screws are connected to the back of the screen unit 1. The single-row frame 2 is connected between adjacent square plates 8 in the vertical direction. The adjacent single-row frames 2 in the vertical direction are connected by screws. The single-row frame 2 includes a rectangular frame composed of rectangular tubes and a round tube horizontally set in the middle of the frame. The rectangular tube on one side of the rectangular frame is pressed between the two square plates 8. The round tubes of adjacent single-row frames 2 in the horizontal direction are fastened with crossbars 3. The bottom screen unit 1 is supported on the support rod 7. The ends of adjacent support rods 7 are connected by a horizontal connecting piece 71. The bottom of each bottom single-row frame 2 and the middle of the adjacent support rod 7 are supported on a support 4. The bottom of the support 4 is equipped with a foot cup 5 and a caster 6.

[0015] like Figure 3 As shown, the support 4 includes a rectangular frame 41 composed of square tubes. A middle tube 42 is connected between the top and middle of the frame 41. A support tube 43 is vertically connected between the middle of one side of the middle tube 42 and the square tube of the opposite frame 41. A vertical connecting piece 44 is vertically provided on the outer side of the middle of the square tube of the opposite frame 41. The support rod 7 is supported on the top of the square tube of the opposite frame 41, and the vertical connecting piece 44 is connected to the support rod 7 by screws. The bottom of the single-row frame 2 is supported on the support tube 43 and the middle tube 42 and is connected by screws. The foot cup 5 and the caster 6 are installed at the bottom of the frame 41.

[0016] Based on the above structure, during assembly, the height can be adjusted by adding or removing vertical single-row frames 2, while the horizontal length can be adjusted by adding or removing horizontal single-row frames 2, bottom support rods 7, and supports 4. Counterweights can be installed in the gaps of supports 4 and the top space to further improve structural stability.

[0017] All of the components described above are existing technologies, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0018] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A size-adjustable LED screen background frame structure, characterized by, The screen unit (1), single-row frame (2), crossbar (3), support (4) and support rod (7) are included, wherein several pieces of screen unit (1) are arranged in a rectangular array with edges close to each other, each of the four corners of adjacent screen unit (1) is provided with a side plate (8), two side plates (8) are arranged in parallel and close to the four corners and are connected with a screw rod respectively, the end of the screw rod is connected with the back of the screen unit (1), the single-row frame (2) is connected between the vertically adjacent side plates (8), the vertically adjacent single-row frames (2) are connected through screws, the single-row frame (2) includes a rectangular frame body composed of rectangular tubes, the rectangular tube on one side of the rectangular frame body is pressed between the two side plates (8), the bottommost screen unit (1) is supported on the support rod (7), the ends of adjacent support rods (7) are connected through a cross connecting piece (71), the bottom of each bottommost single-row frame (2) and the middle of adjacent support rods (7) are supported on a support (4), the bottom of the support (4) is provided with a foot cup (5) and a shift wheel (6).

2. The size-adjustable LED screen background frame structure according to claim 1, wherein, The single-row frame (2) further includes a circular tube arranged horizontally in the middle of the frame body, and the circular tubes of horizontally adjacent single-row frames (2) are buckled with the crossbar (3).

3. The size-adjustable LED screen background frame structure according to claim 1 or 2, characterized in that, The support (4) includes a rectangular frame body (41) composed of square tubes, a middle tube (42) is connected between the top and middle of the frame body (41), a support tube (43) is vertically connected between the middle of the middle tube (42) and the square tube of the opposite frame body (41), a vertical connecting piece (44) is vertically arranged on the outside of the middle of the square tube of the opposite frame body (41), the support rod (7) is supported on the top of the square tube of the opposite frame body (41) and the vertical connecting piece (44) is connected with the support rod (7) through screws, the bottom of the single-row frame (2) is supported on the support tube (43) and the middle tube (42) and is connected through screws, and the foot cup (5) and the shift wheel (6) are installed on the bottom of the frame body (41).

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