Double-deck trailer with a frameless top

A two-layer trailer, including two front vertical rods and two rear vertical rods respectively;

• each of the two front vertical rods and the two rear vertical rods is sequentially fixed with four top fixing pieces and middle fixing pieces from top to bottom;
• a rectangular area is formed between the four top fixing pieces and the middle fixing pieces, and a cloth pocket is arranged in the area;
• the cloth pocket includes side surfaces and a front side;
• the side surfaces are respectively located between the two front vertical rods and the two rear vertical rods, and the front side is located between the two front vertical rods and the two rear vertical rods;
• zippers are respectively arranged on both sides of the front side;
• after the zippers are pulled down, the front side naturally hangs down, and items can pass between the two front vertical rods and the two rear vertical rods;
• wherein the middle fixing pieces are provided with four first bottom rods rotatably connected thereto;
• the four first bottom rods are distributed in an X shape, and two first bottom connecting pieces rotatably connected to the four first bottom rods are arranged at an intersection of the four first bottom rods;
• wherein bottoms of the two front vertical rod and the two rear vertical rod are fixed with bottom fixing pieces;
• the bottom fixing pieces are provided with four second bottom rods rotatably connected thereto;
• the four second bottom rods are distributed in an X shape, and a second bottom connecting piece rotatably connected to the four second bottom rods is arranged at an intersection of the four second bottom rods;
• wherein the two front vertical rods and the two rear vertical rods are provided with sliding pieces slidably connected thereto;
• each of the sliding pieces is located between the middle fixing pieces and the bottom fixing pieces;
• a left-right folding rod group is arranged between the two front vertical rods and the two rear vertical rods, and both ends of the left-right folding rod group are respectively rotatably connected with the middle fixing pieces and the sliding pieces.