Expanded screen

An expanded screen, wherein the expanded screen comprises:

• a display device;
• a fixed device, wherein the fixed device is configured to be fixed on a display;
• a first rotating assembly, wherein the first rotating assembly is rotatably connected to the display device;
• and
• a second rotating assembly, wherein one end of the second rotating assembly is rotatably connected to the first rotating assembly, and the other end of the second rotating assembly is connected to the fixed device;
• the fixed device rotates through the first rotating assembly around a first axial direction;
• the fixed device rotates through the second rotating assembly around a second axial direction;
• the first axial direction is a width extending direction of the display device;
• and the second axial direction is a direction perpendicular to a display surface of the display;
• wherein the first rotating assembly comprises a first connector and a second connector;
• the first connector is fixedly connected to the display device;
• the second connector is rotatably connected to the first connector;
• the second connector rotates around the first axial direction;
• and the second rotating assembly is rotatably connected with the second connector;
• wherein the second connector is a U-shaped connecting plate;
• the U-shaped connecting plate comprises a first connecting plate, a second connecting plate, and a third connecting plate;
• the first connecting plate and the second connecting plate are arranged on both sides of the third connecting plate;
• the first connecting plate and the second connecting plate are rotatably connected to the first connector;
• first clamping members are arranged on an inner side of the first connecting plate and an inner side of the second connecting plate;
• the first clamping members sleeve the first connector;
• two or more first clamping slots are arranged on an inner side wall of the first connecting plate and an inner side wall of the second connecting plate;
• the first clamping members are provided with first clamping protrusions corresponding to the first clamping slots;
• the first clamping protrusions are arranged in the first clamping slots;
• the first clamping protrusions slide from one first clamping slot to the other adjacent first clamping slot;
• or, two or more first clamping protrusions are arranged on an inner side wall of the first connecting plate and an inner side wall of the second connecting plate;
• the first clamping members are provided with first clamping slots corresponding to the first clamping protrusions;
• the first clamping protrusions are arranged in the first clamping slots;
• and the first clamping protrusions slide from one first clamping slot to the other adjacent first clamping slot;
• wherein the second rotating assembly comprises a rotating shaft and second clamping members;
• one end of the rotating shaft is connected to the fixed device, and the other end of the rotating shaft is rotatably connected through the third connecting plate;
• the rotating shaft is perpendicular to the third connecting plate;
• the second clamping members sleeve the rotating shaft, and the second clamping members are arranged on an outer side surface and an inner side surface of the third connecting plate;
• the second clamping members are provided with two or more second clamping protrusions facing towards the third connecting plate;
• the third connecting plate is provided with second clamping slots corresponding to the second clamping protrusions;
• the second clamping protrusions are arranged in the second clamping slots;
• the second clamping protrusions slide from one second clamping slot to the other adjacent second clamping slot;
• or, the second clamping members are provided with two or more second clamping slots facing towards the third connecting plate;
• the third connecting plate is provided with second clamping protrusions corresponding to the second clamping slots;
• the second clamping protrusions are arranged in the second clamping slots;
• and the second clamping protrusions slide from one second clamping slot to the other adjacent second clamping slot.