Full-color LED display screen equipment convenient to move

Abstract

The utility model relates to the technical field of full-color light-emitting diode (LED) display screen equipment, in particular to full-color LED display screen equipment convenient to move, which comprises a moving seat, a light-emitting diode (LED) display screen and a light-emitting diode (LED) display screen, the anti-moving mechanism comprises a fixing frame slidably connected to the inner wall of the moving seat, a plurality of suction cups are fixedly connected to the bottom end of the fixing frame, a support is fixedly connected to the top of the moving seat, and a rotating rod is rotatably connected to the inner wall of the support; according to the device, through the rotating rod, the eccentric wheel and the fixing frame, the multiple suction cups move downwards at the same time to abut against the ground, the suction cups are attracted to the ground, through the solid iron, the rotating rod, the support and the magnetic ring, the eccentric wheel stably abuts against the fixing frame, and then the suction cups are stably attracted to the ground. According to the mode, stable limiting of the full-color LED display screen equipment is guaranteed by stably abutting against the suction cup.

Description

Technical Field

[0001] This utility model relates to the technical field of full-color LED display equipment, and in particular to a portable full-color LED display equipment. Background Technology

[0002] The working principle of a full-color LED display screen is to utilize the characteristics of light-emitting diodes (LEDs) and, through a certain control method, arrange LED devices into an array to form a display screen. To make full-color LED display screen equipment adaptable to outdoor performances, exhibitions, commercial promotions, and other venues, it is usually designed to be portable, thereby increasing the flexibility of its use.

[0003] According to the Chinese patent "An LED Display Playback Device" authorized announcement number "CN219493675U", the push handle drives the connecting rod and the active block to push the extrusion block into two extrusion grooves, so that the extrusion block pushes the two driven blocks to both sides. The driven blocks drive the two ends of the slide rod to move towards the moving wheel. When the tip of the slide rod moves to fit with the moving wheel, the slide rod limits the movement of the moving wheel.

[0004] In the aforementioned application, the active block pushes the squeezing block to make the slide bar fit against the moving wheel. Under external force, the contact between the slide bar and the moving wheel is unstable, which in turn makes the LED display screen device unstable in its positioning.

[0005] Therefore, a portable full-color LED display device is proposed to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a mobile full-color LED display device to solve the above-mentioned problems and improve the problem of unstable positioning of LED display devices.

[0007] This utility model achieves the above-mentioned objectives through the following technical solution: a mobile full-color LED display device, comprising: a mobile base, with a display mounted on the top of the mobile base; and an anti-shift mechanism, the anti-shift mechanism including a fixed frame slidably connected to the inner wall of the mobile base, a plurality of suction cups fixedly connected to the bottom end of the fixed frame, a bracket fixedly connected to the top of the mobile base, a rotating rod rotatably connected to the inner wall of the bracket, two eccentric wheels fixedly connected to the surface of the rotating rod, a solid iron slidably connected to the inner wall of the rotating rod, the lower end of the surface of the solid iron engaging with the inner wall of the bracket, and two magnetic rings fixedly connected to the surface of the rotating rod, the ends of the solid iron magnetically attracted to the ends of the magnetic rings. Through the rotating rod, eccentric wheels, and fixed frame, multiple suction cups simultaneously move downwards to contact the ground, allowing the suction cups to adhere to the ground. Through the solid iron, rotating rod, bracket, and magnetic rings, the eccentric wheels stably contact the fixed frame, thereby achieving stable adhesion of the suction cups to the ground and ensuring stable positioning of the full-color LED display device.

[0008] Preferably, the top of the suction cup is connected to a through-tube, the surface of which penetrates and extends out of the inner wall of the fixing frame, and a one-way valve is embedded in the surface of the through-tube. Through the through-tube and the one-way valve, the suction cup is brought into contact with the ground. As the suction cup continues to move downwards, the air inside the suction cup is discharged through the through-tube and the one-way valve, thereby causing the suction cup to be vacuum-adhered to the ground, ensuring stable positioning of the moving base.

[0009] Preferably, a plurality of friction blocks are slidably connected to the lower end of the surface of the fixed frame, and a first spring is fixedly connected to the end of each friction block. The bottom end of the first spring is fixedly connected to the end of the fixed frame. The fixed frame moves the friction blocks downward, and the elastic force of the first spring pushes the friction blocks downward to contact the ground, ensuring stable positioning of the movable seat.

[0010] Preferably, the one-way valve is used to prevent external gas from flowing into the suction cup through the pipe.

[0011] Preferably, the surface of the through pipe is connected to an air guide tube, and the surface of the air guide tube is threaded with a rubber cap.

[0012] Preferably, a second spring is fixedly connected to the end of the fixing frame, and the bottom end of the second spring is fixedly connected to the top of the movable seat. By moving the rubber cover away from the air guide tube, external gas flows through the air guide tube and the through tube to each suction cup. At this time, the elastic force of the second spring pushes the fixing frame upward, thereby releasing the restriction on the movable seat.

[0013] Preferably, an arc-shaped block is fixedly connected to the end of the bracket, and a pull rod is fixedly connected to the surface of the rotating rod. The arc-shaped block and the pull rod limit the rotation angle of the rotating rod, ensuring that the solid iron can be precisely engaged within the bracket.

[0014] The beneficial effects of this utility model are:

[0015] 1. By using a rotating rod, an eccentric wheel, and a fixed frame, multiple suction cups can be moved down simultaneously to contact the ground, allowing the suction cups to adhere to the ground. Through solid iron, a rotating rod, a bracket, and a magnetic ring, the eccentric wheel is stably contacted with the fixed frame, thereby ensuring the suction cups are stably attached to the ground. Compared with existing methods that result in unstable positioning of full-color LED display equipment, this method ensures stable positioning of the full-color LED display equipment by stably contacting the suction cups.

[0016] 2. By using a tube and a one-way valve, the suction cup is brought into contact with the ground. As the suction cup continues to move downward, the air inside the suction cup is discharged through the tube and the one-way valve, thereby vacuum-adhering the suction cup to the ground and ensuring stable positioning of the moving base. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a sectional view of the movable seat of this utility model;

[0019] Figure 3 This is a schematic diagram of the anti-movement mechanism of this utility model;

[0020] Figure 4 for Figure 3 A magnified view of A in the middle.

[0021] In the diagram: 1. Movable base; 2. Display; 3. Anti-slip mechanism; 31. Fixing frame; 32. Suction cup; 33. Through pipe; 34. Pull rod; 35. Bracket; 36. Rotating rod; 37. Eccentric wheel; 38. First spring; 39. Arc block; 310. Magnetic ring; 311. One-way valve; 312. Air guide pipe; 313. Second spring; 314. Rubber cover; 315. Solid iron; 316. Friction block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In practical implementation: such as Figure 1-4As shown, a portable full-color LED display device includes: a movable base 1, with a display 2 mounted on the top of the movable base 1; and an anti-shifting mechanism 3, which includes a fixed frame 31 slidably connected to the inner wall of the movable base 1, a plurality of suction cups 32 fixedly connected to the bottom end of the fixed frame 31, a bracket 35 fixedly connected to the top of the movable base 1, a rotating rod 36 rotatably connected to the inner wall of the bracket 35, two eccentric wheels 37 fixedly connected to the surface of the rotating rod 36, a solid iron 315 slidably connected to the inner wall of the rotating rod 36, the lower end of the surface of the solid iron 315 being engaged with the inner wall of the bracket 35, and two magnetic rings 310 fixedly connected to the surface of the rotating rod 36, with the ends of the solid iron 315 magnetically attracted to the ends of the magnetic rings 310.

[0024] Two electric push rods are fixedly connected to the top of the movable base 1. The telescopic ends of the electric push rods are fixedly connected to mounting blocks. The surface of the display 2 is rotatably connected to the inner wall of the mounting block. A servo motor is fixedly connected to one side of one of the mounting blocks. The output shaft of the servo motor is fixedly connected to one side of the display 2. A support frame is fixedly connected to the top of the movable base 1.

[0025] Display 2 is a full-color LED display screen. Its working principle utilizes the characteristics of light-emitting diodes (LEDs) to create an array of LED devices through a specific control method, forming a display screen. Each LED represents a pixel, and the LEDs in the display screen are organized into different columns and rows, forming a grid-like structure. When specific content needs to be displayed, the desired image or text can be created by controlling the brightness and color of each LED. This control is typically performed via digital signals. The control system of Display 2 sends the input digital signals to the corresponding LEDs, controlling their brightness and color. Display 2 displays the desired image or text using a relatively mature technology, which will not be elaborated upon here.

[0026] When using a full-color LED display screen for commercial promotion, the movable base 1 is moved by pulling the support frame. The movement of the movable base 1 moves the display 2 to a suitable position. At this time, the rotating rod 36 is rotated, which drives the two eccentric wheels 37 to rotate. The highest point of the eccentric wheels 37 touches the top of the fixed frame 31. The fixed frame 31 is pressed down by the eccentric wheels 37 and moves down. The downward movement of the fixed frame 31 causes the suction cup 32 to move down and touch the ground, thus adhering to the ground. At this time, the solid iron 315 is slid into the rotating rod 36 and pushed down, so that the solid iron 315 is engaged in the bracket 35 and its end is magnetically attracted to the end of one of the magnetic rings 310, thus limiting the movable base 1 to the ground. At this time, the display 2 is connected to the power socket through the connecting cable, so that the display 2 is powered on and the required commercial promotional images and text are displayed on the display 2 for promotion.

[0027] like Figure 3-4 As shown, the top of the suction cup 32 is connected to a tube 33. The surface of the tube 33 extends through and out of the inner wall of the fixing frame 31. A one-way valve 311 is embedded in the surface of the tube 33. The one-way valve 311 is used to prevent external gas from flowing into the interior of the suction cup 32 through the tube 33.

[0028] The fixing frame 31 drives the suction cup 32 to move down, so that the suction cup 32 touches the corresponding ground. At this time, the fixing frame 31 continues to drive the suction cup 32 to move down, so that the suction cup 32 is squeezed at the ground, and the air inside the suction cup 32 is discharged through the pipe 33 and the one-way valve 311, so that the suction cup 32 is vacuum adsorbed at the corresponding ground, and the moving seat 1 is stably limited on the ground.

[0029] like Figure 3 As shown, a plurality of friction blocks 316 are slidably connected to the lower end of the surface of the fixing frame 31. A first spring 38 is fixedly connected to the end of the friction block 316, and the bottom end of the first spring 38 is fixedly connected to the end of the fixing frame 31. The friction block 316 is a rubber component.

[0030] The downward movement of the fixed frame 31 causes the friction block 316 to move downward, so that the friction block 316 comes into contact with the ground. The elastic force of the first spring 38 pushes the friction block 316 downward to come into contact with the ground.

[0031] like Figure 4 As shown, the surface of the through pipe 33 is connected to the air guide pipe 312, the surface of the air guide pipe 312 is threaded with a rubber cap 314, the end of the fixed bracket 31 is fixedly connected to the second spring 313, the bottom end of the second spring 313 is fixedly connected to the top of the movable seat 1, the end of the bracket 35 is fixedly connected to the arc block 39, and the surface of the rotating rod 36 is fixedly connected to the pull rod 34.

[0032] When the limitation of the movable seat 1 needs to be released, rotate the rubber cover 314 to move the rubber cover 314 away from the surface of the air guide tube 312, so that the air guide tube 312 is open. The outside gas flows into the suction cup 32 through the air guide tube 312 and the through tube 33, thereby releasing the vacuum adsorption of the suction cup 32 to the ground. Pull the solid iron 315, and the solid iron 315 moves upward away from the bracket 35 and the rotating rod 36. Rotate the rotating rod 36, and the rotation of the rotating rod 36 drives the two eccentric wheels 37 to rotate and drive the pull rod 34 to move in a circle. The pull rod 34 moves in a circle and touches the end of the arc block 39. Stop rotating the rotating rod 36, so that the highest point of the eccentric wheel 37 is away from the top of the fixed frame 31. At this time, the elastic force of the second spring 313 pushes the fixed frame 31 to move upward. The upward movement of the fixed frame 31 drives the suction cup 32 and the friction block 316 to move upward, thereby releasing the limitation of the movable seat 1.

[0033] In use, rotating the rotating rod 36 causes the two eccentric wheels 37 to rotate, which in turn causes the pull rod 34 to move in a circular motion. The pull rod 34 moves in a circular motion until it contacts the end of the arc-shaped block 39. Rotating the rotating rod 36 stops, and the highest point of the eccentric wheel 37 contacts the top of the fixing frame 31. The fixing frame 31 is pressed down by the eccentric wheel 37, causing it to move downwards. This downward movement of the fixing frame 31 causes the suction cup 32 and the friction block 316 to move downwards, so that both the suction cup 32 and the friction block 316 contact the ground. At this point, the fixing frame 31 continues to drive the suction cup 32 to move downward, so that the suction cup 32 is squeezed at the ground, and the air inside the suction cup 32 is discharged through the pipe 33 and the one-way valve 311, so that the suction cup 32 is vacuum-adhered to the corresponding ground. At this time, the solid iron 315 is slid into the rotating rod 36, and the solid iron 315 is pushed downward, so that the solid iron 315 is snapped into the bracket 35 and its end is magnetically attracted to the end of one of the magnetic rings 310, so that the moving seat 1 is limited to the ground.

[0034] It should be noted that the movable base 1, display 2, electric push rod, servo motor, first spring 38, second spring 313, solid iron 315, magnetic ring 310 and one-way valve 311 mentioned above are all components with relatively mature existing technology. The specific models can be selected according to actual needs. At the same time, the display 2, electric push rod and servo motor can be powered by the built-in power supply or by the mains power. The specific power supply method is selected according to the situation and will not be elaborated here.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A portable full-color LED display screen device, characterized in that, include: A movable base (1), the top of which is provided with a display (2); The anti-slip mechanism (3) includes a fixed frame (31) slidably connected to the inner wall of the movable seat (1). Several suction cups (32) are fixedly connected to the bottom end of the fixed frame (31). A bracket (35) is fixedly connected to the top of the movable seat (1). A rotating rod (36) is rotatably connected to the inner wall of the bracket (35). Two eccentric wheels (37) are fixedly connected to the surface of the rotating rod (36). A solid iron (315) is slidably connected to the inner wall of the rotating rod (36). The lower end of the surface of the solid iron (315) is engaged with the inner wall of the bracket (35). Two magnetic rings (310) are fixedly connected to the surface of the rotating rod (36). The end of the solid iron (315) is magnetically attracted to the end of the magnetic ring (310).

2. The portable full-color LED display screen device according to claim 1, characterized in that: The top of the suction cup (32) is connected to a tube (33), the surface of the tube (33) extends through and out of the inner wall of the fixing frame (31), and a one-way valve (311) is embedded in the surface of the tube (33).

3. The portable full-color LED display screen device according to claim 1, characterized in that: A plurality of friction blocks (316) are slidably connected to the lower end of the surface of the fixing frame (31), and a first spring (38) is fixedly connected to the end of the friction block (316), with the bottom end of the first spring (38) fixedly connected to the end of the fixing frame (31).

4. The portable full-color LED display screen device according to claim 2, characterized in that: The one-way valve (311) is used to block external gas from flowing into the suction cup (32) through the pipe (33).

5. A portable full-color LED display screen device according to claim 2, characterized in that: The surface of the through pipe (33) is connected to the air guide pipe (312), and the surface of the air guide pipe (312) is threaded with a rubber cap (314).

6. The portable full-color LED display screen device according to claim 1, characterized in that: The end of the fixed frame (31) is fixedly connected to a second spring (313), and the bottom end of the second spring (313) is fixedly connected to the top of the movable seat (1).

7. A portable full-color LED display screen device according to claim 1, characterized in that: An arc-shaped block (39) is fixedly connected to the end of the bracket (35), and a pull rod (34) is fixedly connected to the surface of the rotating rod (36).

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