Combined LED display screen

Abstract

The utility model relates to the technical field of LED display screens, and discloses a combined LED display screen which comprises a base, a second LED display screen is arranged on one side of the upper portion of the base, a lifting mechanism is arranged in the middle of the base, and a first LED display screen is arranged on the upper portion of the lifting mechanism. The periphery of the fixing cylinder is rotationally connected to the middle of the base, the lower end of the limiting sleeve is fixedly connected to the upper end of the fixing cylinder, and the periphery of the limiting column is slidably connected into the limiting sleeve. According to the combined type LED display screen, due to the fact that a limiting column is limited by a limiting sleeve and cannot rotate, a gear motor is driven to enable a threaded rod to rotate, the limiting column drives the first LED display screen to move up and down, then a servo motor is driven to drive a gear ring to rotate through a gear, and the limiting sleeve drives the limiting column to rotate; therefore, the first LED display screen is aligned with the second LED display screen, combination is completed, and transportation, transfer and storage are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field, especially in combination formula LED display screen. BACKGROUND

[0002] In today's commercial propaganda, exhibition and other activities, LED display screen because it can dynamically show high-definition poster content, attract audience attention, and is widely used.

[0003] However, the existing LED display screen for showing poster has many inconveniences in the actual use process. On the one hand, large one-piece poster screen faces the problem of high height and heavy weight in the transfer, not only the transportation cost is high, and is easy to cause damage in the transportation process because of collision; on the other hand, the one-piece structure occupies a large amount of space in storage, which is not conducive to the efficient use of resources. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a combination formula LED display screen, can effectively solve the problem in the background art.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is: a combination formula LED display screen, including base, the base upper side is provided with LED display screen two, the base middle part is provided with lifting mechanism, the lifting mechanism upper part is provided with LED display screen one;

[0006] The lifting mechanism includes limiting sleeve, limiting column, connecting frame, fixed cylinder, threaded rod and speed reducer, the fixed cylinder is rotatably connected to the middle part of the base, the lower end of the limiting sleeve is fixedly connected to the upper end of the fixed cylinder, the limiting column is slidably connected to the inside of the limiting sleeve, the limiting column is threadedly connected to the outside of the threaded rod, the lower end of the threaded rod is fixedly connected to the output end of the speed reducer on the upper side, the speed reducer is fixedly connected to the inside of the fixed cylinder, the LED display screen one is installed on the lower part of the connecting frame, and the connecting frame is installed on the upper end of the limiting column.

[0007] The upper part of the fixed cylinder is fixedly connected with a gear ring, the inside top wall of the base is provided with a servo motor, the output end on the upper side of the servo motor penetrates the wall shell of the base and is fixedly connected with a gear, and the gear and the gear ring are meshed with each other.

[0008] The lower part of the base is provided with a universal wheel, and the side of the base is provided with a handle.

[0009] The upper part of the lifting mechanism is provided with a baffle, and the lower part of the baffle is provided with a dust cover.

[0010] The lower part of the dust cover is fixedly connected with a connecting ring, the upper part of the connecting ring is provided with a hidden plate, the upper part of the hidden plate is provided with a magnetic ring, and the magnetic ring is magnetically attracted to the lower part of the baffle.

[0011] The counterweight is mounted on the inner bottom wall of the base.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] Since the limiting column is limited from rotating by the limiting sleeve, the driving reduction motor is driven to rotate the threaded rod, so that the limiting column drives the LED display screen one to move up and down, then the servo motor is driven to rotate the gear ring through the gear, so that the limiting sleeve drives the limiting column to rotate, and further the LED display screen one is rotated, so that the LED display screen one is aligned with the LED display screen two, the combination is completed, and transportation, transfer and storage are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a three-dimensional structure schematic view of the combined LED display screen of the utility model;

[0015] Fig. 2 It is a baffle structure schematic view of the combined LED display screen of the utility model;

[0016] Fig. 3 It is a lifting mechanism structure schematic view of the combined LED display screen of the utility model.

[0017] In the figure: 1, base; 2, universal wheel; 3, handle; 4, LED display screen one; 5, baffle; 6, dust cover; 7, magnetic ring; 8, hidden plate; 9, connecting ring; 10, LED display screen two; 11, lifting mechanism; 1101, limiting sleeve; 1102, limiting column; 1103, connecting frame; 1104, fixed cylinder; 1105, threaded rod; 1106, reduction motor; 1107, gear ring; 1108, servo motor; 1109, gear. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0019] As Figs. 1-3 shown, a combined LED display screen, including base 1, the upper part of one side of base 1 is provided with LED display screen two 10, the middle part of base 1 is provided with lifting mechanism 11, the upper part of lifting mechanism 11 is provided with LED display screen one 4.

[0020] In the embodiment, the lifting mechanism 11 comprises a limiting sleeve 1101, a limiting column 1102, a connecting frame 1103, a fixing cylinder 1104, a threaded rod 1105 and a reduction motor 1106, the outer periphery of the fixing cylinder 1104 is rotationally connected in the middle of the base 1, the lower end of the limiting sleeve 1101 is fixedly connected to the upper end of the fixing cylinder 1104, the outer periphery of the limiting column 1102 is slidingly connected inside the limiting sleeve 1101, the inside of the limiting column 1102 is threadedly connected to the outer periphery of the threaded rod 1105, the lower end of the threaded rod 1105 is fixedly connected to the upper side output end of the reduction motor 1106, the outer periphery of the reduction motor 1106 is fixedly connected inside the fixing cylinder 1104, the upper part of the LED display screen one 4 is installed on the lower part of the connecting frame 1103, one side of the connecting frame 1103 is installed on the upper end of the limiting column 1102, the upper part of the fixing cylinder 1104 is fixedly connected with a gear ring 1107, a servo motor 1108 is installed on the inner top wall of the base 1, the upper side output end of the servo motor 1108 penetrates through the wall of the base 1 and is fixedly connected with a gear wheel 1109, the gear wheel 1109 and the gear ring 1107 are meshed with each other.

[0021] Specifically, since the limiting column 1102 is limited by the limiting sleeve 1101 and cannot rotate, the reduction motor 1106 is driven to rotate the threaded rod 1105, so that the limiting column 1102 drives the LED display screen one 4 to move up and down, then the servo motor 1108 is driven to rotate the gear ring 1107 through the gear wheel 1109, so that the limiting sleeve 1101 drives the limiting column 1102 to rotate, and further drives the LED display screen one 4 to rotate, so that the LED display screen one 4 is aligned with the LED display screen two 10, the combination is completed, and transportation, transfer and storage are facilitated.

[0022] In the embodiment, the lower part of the base 1 is provided with universal wheels 2, one side of the base 1 is provided with a handle 3, the upper part of the lifting mechanism 11 is provided with a baffle 5, the outer periphery of the lower part of the baffle 5 is provided with a dust cover 6, the lower part of the dust cover 6 is fixedly connected with a connecting ring 9, the upper part of the connecting ring 9 is provided with a hidden plate 8, the upper part of the hidden plate 8 is provided with a magnetic ring 7, the magnetic ring 7 is magnetically attracted to the lower part of the baffle 5, and a counterweight is installed on the inner bottom wall of the base 1.

[0023] Specifically, the weight of the base 1 is increased by the counterweight, so that the LED display screen two 10 and the LED display screen one 4 will not easily fall over, and dust is prevented by the dust cover 6 when not in use, and when the LED display screen one 4 and the LED display screen two 10 are used, the magnetic ring 7 is magnetically attracted to the lower part of the baffle 5, and the dust cover 6 is hidden inside the hidden plate 8, so that the LED display screen one 4 and the LED display screen two 10 are exposed for use.

[0024] Working principle:

[0025] Since the limiting column 1102 is limited by the limiting sleeve 1101 and cannot rotate, the driving reduction motor 1106 is driven, so that the threaded rod 1105 rotates, thereby driving the LED display screen one 4 to move up and down, then the servo motor 1108 is driven, the gear ring 1107 is driven to rotate through the gear 1109, thereby driving the limiting sleeve 1101 to rotate the limiting column 1102, and further driving the LED display screen one 4 to rotate, so that the LED display screen one 4 is aligned with the LED display screen two 10, the combination is completed, and the transportation, transfer and storage are facilitated, the weight of the base 1 is increased through the counterweight, so that the LED display screen two 10 and the LED display screen one 4 are not easily tilted, and the dust cover 6 is used for dust prevention when not in use, and the dust cover 6 is hidden in the hidden plate 8 when the LED display screen one 4 and the LED display screen two 10 are used, so that the LED display screen one 4 and the LED display screen two 10 are exposed for use.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A modular LED display screen, comprising a base (1), characterized in that: An LED display screen (10) is provided on one side of the upper part of the base (1), a lifting mechanism (11) is provided in the middle of the base (1), and an LED display screen (4) is provided on the upper part of the lifting mechanism (11). The lifting mechanism (11) includes a limiting sleeve (1101), a limiting post (1102), a connecting frame (1103), a fixed cylinder (1104), a threaded rod (1105), and a reduction motor (1106). The fixed cylinder (1104) is rotatably connected to the middle of the base (1) on its outer periphery. The lower end of the limiting sleeve (1101) is fixedly connected to the upper end of the fixed cylinder (1104). The outer periphery of the limiting post (1102) is slidably connected to the limiting sleeve (1104). 1) Inside, the limiting post (1102) is internally threaded to the outer periphery of the threaded rod (1105), the lower end of the threaded rod (1105) is fixedly connected to the upper output end of the geared motor (1106), the outer periphery of the geared motor (1106) is fixedly connected to the inside of the fixed cylinder (1104), the upper part of the LED display screen (4) is installed on the lower part of the connecting frame (1103), and one side of the connecting frame (1103) is installed on the upper end of the limiting post (1102).

2. The combined LED display screen according to claim 1, characterized in that: A gear ring (1107) is fixedly connected to the upper part of the fixed cylinder (1104), and a servo motor (1108) is installed on the inner top wall of the base (1). The upper output end of the servo motor (1108) passes through the wall shell of the base (1) and is fixedly connected to a gear (1109). The gear (1109) and the gear ring (1107) mesh with each other.

3. A combined LED display screen according to claim 1, characterized in that: The base (1) is provided with casters (2) at the bottom and a handle (3) on one side of the base (1).

4. A combined LED display screen according to claim 1, characterized in that: The lifting mechanism (11) is provided with a baffle (5) on the upper part, and a dust cover (6) is provided on the lower outer periphery of the baffle (5).

5. A combined LED display screen according to claim 4, characterized in that: The dust cover (6) is fixedly connected to a connecting ring (9) at the bottom. A hidden plate (8) is provided on the upper part of the connecting ring (9). A magnetic ring (7) is provided on the upper part of the hidden plate (8). The magnetic ring (7) is magnetically attracted to the lower part of the baffle (5).

6. A combined LED display screen according to claim 1, characterized in that: A counterweight is installed on the inner bottom wall of the base (1).

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