LED display waterproof structure

An LED display waterproof structure comprising a display bottom case, a first sealing ring and a waterproof cover, wherein:

• a side surface of the display bottom case is provided with a first U-shaped ring groove;
• a side surface of the first sealing ring towards the waterproof cover is provided with a second U-shaped ring groove;
• a first surface of the waterproof cover is provided with a ring protrusion matching the second U-shaped ring groove;
• the waterproof cover is provided on the first U-shaped ring groove through the first sealing ring;
• the ring protrusion is connected to the second U-shaped ring groove through interference fit;
• the second U-shaped ring groove is connected to the first U-shaped ring groove through interference fit;
• a surface of the display bottom case is provided with a first signal seat via hole;
• and
• the first U-shaped ring groove is configured to surround the first signal seat via hole.