Display device with movable screen

Abstract

The utility model discloses a movable screen display device which comprises a support, a rotating shaft is rotatably installed on the support through a shaft sleeve, the rotating shaft is connected with a protective shell, a large display screen is installed in the protective shell, the rotating shaft and the support are both of a hollow structure, a power source is installed on one side of the bottom of the support, and the power source is connected with a power source. A balancing weight is installed on the other side of the bottom of the support, a power line is connected between the large display screen and the power source through a rotating shaft and the hollow structure of the support, a through hole for charging the power source is formed in the bottom of the support, and the protective shell is made of a scratch-resistant transparent material and is coated with an anti-reflection coating. According to the utility model, the power supply enables the large display screen to work normally outdoors without a power supply; the balancing weight is used for balancing the weight of the power supply and ensuring the stability of the device; the hollow rotating shaft is used for carrying out internal wiring arrangement on the power line, so that the large display screen can freely rotate in the vertical direction; the protective shell can effectively protect the large display screen from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia display devices, in particular to a display device with a mobile screen. Background Art

[0002] With the progress of the information age, all walks of life have gradually entered the era of multimedia office, and multimedia meetings and multimedia publicity have become common tasks in work. When some businesses do outdoor publicity, they lose the opportunity of multimedia display because there is no place to put the projector. Some businesses use large-screen advertising vehicles for publicity, which invisibly increases the publicity cost of advertising, and the publicity efficiency is low. Therefore, it is particularly important to design a mobile screen display device.

[0003] After searching, the Chinese patent application number 202020832467.3 discloses a mobile large-screen multimedia display device, including universal wheels, a display mechanism, a display board, a first telescopic component, a second telescopic component and a mounting plate. The utility model, by setting a display mechanism, puts the display board into the display card rack, and can provide a projection wall for the projector, so that merchants can display their own products. The bottom of the display mechanism is also provided with universal wheels to facilitate the movement of the equipment, which is very convenient to use. The mobile large-screen multimedia display device in the above-mentioned document has the following shortcomings: it cannot perform display work well in outdoor scenes where there is a lack of power supply. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a mobile screen display device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A display device for a mobile screen comprises a bracket, wherein the bracket is rotatably mounted with a rotating shaft through a shaft sleeve, the rotating shaft is connected to a protective shell, a large display screen is mounted in the protective shell, the rotating shaft and the bracket are both hollow structures, a power supply is mounted on one side of the bottom of the bracket, a counterweight is mounted on the other side of the bottom of the bracket, a power cord is connected between the large display screen and the power supply through the rotating shaft and the hollow structure of the bracket, a through hole for charging the power supply is opened at the bottom of the bracket, and the protective shell is made of a scratch-resistant transparent material and is coated with an anti-reflective coating.

[0007] As a further solution of the utility model: a positioning hole is opened in the middle of the bottom end of the bracket, a rotating mechanism is installed on the bottom surface of the bracket through the positioning hole, a lifting mechanism is installed below the rotating mechanism, and a base is installed at the bottom end of the lifting mechanism.

[0008] As a further solution of the utility model: the rotating mechanism includes a turntable, which is installed on the bottom of the bracket by a plurality of fixing bolts. A rotating seat is fixed on the top of the lifting mechanism. The rotating seat and the turntable are rotatably connected, and fastening bolts are installed through the rotating seat.

[0009] As a further solution of the utility model: a locking screw is installed on the upper end of the shaft sleeve.

[0010] As a further solution of the utility model: the lifting mechanism includes an upper base plate and a lower base plate, a motor is fixed on the lower base plate, an electric telescopic rod is fixed next to the motor, the output end of the motor is connected to the electric telescopic rod, the output end of the electric telescopic rod is connected to the upper base plate, and a plurality of guide rods are connected between the upper base plate and the lower base plate.

[0011] As a further solution of the utility model: the protruding parts of the base are rotatably mounted with universal wheels with a self-locking structure.

[0012] As a further solution of the utility model: the shaft sleeve is a detachable structure.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the scheme, the power supply is set so that the display screen can work normally in places without power supply outdoors; the counterweight is used to balance the weight of the power supply to ensure the stability of the device; the power line is arranged inside the hollow shaft so that the display screen can rotate freely in the vertical direction; the protective shell can effectively protect the display screen from damage, and the anti-reflective coating enables the device to have a better performance effect in an environment of strong sunlight or bright light.

[0015] 2. Through the above solution, the protective shell can rotate 360 ​​degrees in the vertical direction through the rotating shaft, while the rotating mechanism can drive the bracket to rotate 360 ​​degrees in the horizontal direction. The lifting mechanism can adjust the height of the device, which is very convenient for displaying large-screen content to people in different directions.

[0016] 3. By setting up a rotating mechanism, the bracket can rotate freely in the horizontal direction. At the same time, under the action of the fastening bolts, the bracket can be fixed after the angle adjustment is completed.

[0017] 4. By setting the locking screws, the large display screen can be fixed after the vertical adjustment of the large display screen is completed.

[0018] 5. By setting up a lifting mechanism, the device can be adjusted in height, and the existence of the guide rod ensures the stability of the device during lifting and lowering.

[0019] 6. By setting universal wheels, the operator can easily push the device to move, and the self-locking structure on the universal wheels effectively fixes the position of the device during work.

[0020] 7. Through the above solution, the protective shell and the large display screen can be removed by removing the shaft sleeve, which is convenient for operators to perform maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural schematic diagram of a mobile screen display device proposed by the utility model;

[0022] Figure 2 This is a front cross-sectional view of a mobile screen display device proposed by the utility model;

[0023] Figure 3 A side sectional view of a mobile screen display device proposed by the utility model;

[0024] Figure 4 For this utility model Figure 2 The structural diagram at A in the middle;

[0025] Figure 5 For this utility model Figure 2 Schematic diagram of the structure at B in the middle;

[0026] Figure 6 For this utility model Figure 3 Schematic diagram of the structure at C in the middle.

[0027] In the figure: 1-protective shell, 2-bracket, 3-rotating mechanism, 4-guide rod, 5-motor, 6-electric telescopic rod, 7-base, 8-universal wheel, 9-fastening bolt, 10-display screen, 11-power cord, 12-spindle, 13-sleeve, 14-locking screw, 15-turntable, 16-rotating seat, 17-fixing bolt, 18 power supply, 19 counterweight. DETAILED DESCRIPTION

[0028] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] Example 1

[0031] A display device of a mobile screen, such as Figure 1-4As shown, it includes a bracket 2. In order to meet the requirement that the device can work outdoors, the bracket 2 is rotatably installed with a rotating shaft 12 through a shaft sleeve 13. The rotating shaft 12 is connected to a protective shell 1. A large display screen 10 is installed in the protective shell 1. The rotating shaft 12 and the bracket 2 are both hollow structures. A power supply 18 is installed on one side of the bottom of the bracket 2, and a counterweight 19 is installed on the other side of the bottom of the bracket 2. The large display screen 10 is connected to the power supply 18 through the rotating shaft 12 and the hollow structure of the bracket 2. A through hole for charging the power supply 18 is opened at the bottom of the bracket 2. The protective shell 1 is made of scratch-resistant transparent material and is coated with an anti-reflective coating.

[0032] Through the scheme, the power supply is set so that the large display screen can work normally in outdoor places without power supply; the counterweight is used to balance the weight of the power supply to ensure the stability of the device; the power line is arranged internally through the hollow shaft, so that the large display screen can rotate freely in the vertical direction; the protective shell can effectively protect the large display screen from damage, and the anti-reflective coating enables the device to have a better performance effect in an environment of strong sunlight or bright light.

[0033] The device is further configured such that a positioning hole is opened in the middle of the bottom end of the bracket 2, a rotating mechanism 3 is installed on the bottom surface of the bracket 2 through the positioning hole, a lifting mechanism is installed below the rotating mechanism 3, and a base 7 is installed at the bottom end of the lifting mechanism.

[0034] Through the solution, the protective shell can rotate 360 ​​degrees in the vertical direction through the rotating shaft, while the rotating mechanism can drive the bracket to rotate 360 ​​degrees in the horizontal direction. The lifting mechanism can adjust the height of the device, which is very convenient for displaying large-screen content to people in different directions.

[0035] The device is further configured as follows: Figure 3-6 The rotating mechanism 3 includes a turntable 15, which is installed on the bottom of the bracket 2 through a plurality of fixing bolts 17. A rotating seat 16 is fixed on the top of the lifting mechanism. The rotating seat 16 and the turntable 15 are rotatably connected, and a fastening bolt 9 is installed through the rotating seat 16.

[0036] By providing the rotating mechanism 3, the bracket can be freely rotated in the horizontal direction, and at the same time, under the action of the fastening bolts 9, the bracket can be fixed after the angle adjustment is completed.

[0037] The device is further configured such that a locking screw 14 is installed at the upper end of the shaft sleeve 13 .

[0038] By setting the locking screws, the large display screen can be fixed after the vertical adjustment of the large display screen is completed.

[0039] The device is further configured such that the lifting mechanism includes an upper base plate and a lower base plate, a motor 5 is fixed to the lower base plate, an electric telescopic rod 6 is fixed next to the motor 5, an output end of the motor 5 is connected to the electric telescopic rod 6, an output end of the electric telescopic rod is connected to the upper base plate, and a plurality of guide rods 4 are connected between the upper base plate and the lower base plate.

[0040] By setting up a lifting mechanism, the height of the device can be adjusted, and the existence of the guide rod ensures the stability of the posture of the device when it is lifted or lowered.

[0041] To solve the mobility problem; Figure 1 As shown, the protruding parts of the base 7 are rotatably mounted with universal wheels 8 with a self-locking structure.

[0042] By setting universal wheels, the operator can easily push the device to move, and the self-locking structure on the universal wheels effectively fixes the position of the device during work.

[0043] The device is further configured such that the shaft sleeve 13 is a detachable structure.

[0044] According to the solution, the protective shell and the large display screen can be removed by removing the shaft sleeve, which is convenient for operators to perform maintenance and replacement.

[0045] Working principle: The operator can push the device to the working site through the universal wheel 8, and then fix the universal wheel 8 in place through the self-locking mechanism to keep the device stable; according to the viewers, the operator can freely adjust the angle of the display screen 10 through the lifting mechanism, the rotating mechanism 3 and the rotating shaft 12 to meet the viewing needs of people in different directions; according to the needs, the operator can fix the angle of the display screen 10 by locking the screws 14 and the fastening bolts 9; when not working, the operator can charge the power supply 18 to ensure the normal use of the device next time.

[0046] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mobile screen display device, comprising a bracket (2), characterized in that: The support (2) is rotatably mounted with a rotating shaft (12) through a shaft sleeve (13); the rotating shaft (12) is connected to a protective shell (1); a large display screen (10) is mounted inside the protective shell (1); the rotating shaft (12) and the support (2) are both hollow structures; a power supply (18) is mounted on one side of the bottom of the support (2); a counterweight (19) is mounted on the other side of the bottom of the support (2); a power line (11) is connected between the large display screen (10) and the power supply (18) through the hollow structure of the rotating shaft (12) and the support (2); a through hole for charging the power supply (18) is provided at the bottom of the support (2); and the protective shell (1) is made of a scratch-resistant transparent material and is coated with an anti-reflective coating.

2. A mobile screen display device according to claim 1, characterized in that: A positioning hole is provided in the middle of the bottom end of the bracket (2); a rotating mechanism (3) is installed on the bottom surface of the bracket (2) through the positioning hole; a lifting mechanism is installed below the rotating mechanism (3); and a base (7) is installed at the bottom end of the lifting mechanism.

3. A mobile screen display device according to claim 2, characterized in that: The rotating mechanism (3) comprises a rotating disk (15), and the rotating disk (15) is mounted on the bottom of the bracket (2) via a plurality of fixing bolts (17). A rotating seat (16) is fixed on the top of the lifting mechanism. The rotating seat (16) and the rotating disk (15) are rotatably connected, and a fastening bolt (9) is installed through the rotating seat (16).

4. A mobile screen display device according to claim 3, characterized in that: A locking screw (14) is installed on the upper end of the shaft sleeve (13).

5. A mobile screen display device according to claim 4, characterized in that: The lifting mechanism comprises an upper base plate and a lower base plate, a motor (5) is fixed on the lower base plate, an electric telescopic rod (6) is fixed next to the motor (5), an output end of the motor (5) is connected to the electric telescopic rod (6), and the output end of the electric telescopic rod is connected to the upper base plate, and a plurality of guide rods (4) are connected between the upper base plate and the lower base plate.

6. A mobile screen display device according to claim 5, characterized in that: The protruding parts of the base (7) are rotatably mounted with universal wheels (8) with a self-locking structure.

7. A mobile screen display device according to claim 6, characterized in that: The shaft sleeve (13) is a detachable structure.

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