A trampoline, comprising:
- a foldable bed frame, the foldable bed frame comprising:
- a frame body formed by a plurality of side rods in a surrounding manner, each side rod of the plurality of side rods formed by two section rods including a first section rod and a second section rod, each of the first section rod and the second section rod having a proximal end and a distal end, the proximal end of each first section rod is provided with a first pivot connection piece, and the proximal end of each second section rod is provided with a second pivot connection piece, wherein for each side rod, the proximal end of the first section rod is pivotally connected to the proximal end of the second section rod;
- a connecting base arranged between every two adjacent side rods, wherein for each side rod the distal end of the first section rod and the distal end of the second section rod are pivotally connected to a corresponding connecting base;
- a support assembly arranged below each side rod of the plurality of side rods;
- each of the support assemblies comprising two support rods pivotally connected to each other in an X-shaped cross manner, wherein upper ends of the two support rods of each of the support assemblies are pivotally connected to corresponding connecting bases, respectively;
- and
- a supporting base arranged below each of the connecting bases, wherein lower ends of the two support rods of each of the support assemblies are pivotally connected to corresponding supporting bases, respectively;
- and
- a jumping surface located inside the frame body, wherein peripheral edges of the jumping surface are connected to the frame body through a plurality of connecting members,
- wherein when the foldable bed frame is being folded, the proximal ends of the first and second section rods of each side rod of the plurality of side rods move upward, the distal ends of the first and second section rods of each side rod of the plurality of side rods move closer to each other, and the two support rods of each of the support assemblies also move closer to each other at the upper ends and the lower ends, such that the first and second section rods of each side rod of the plurality of side rods and the two support rods of each of the support assemblies move toward a center of the trampoline, and the jumping surface and the plurality of connecting members are folded inward,
- wherein the two section rods of each side rod of the plurality of side rods are line-shaped when they are unfolded,
- wherein the first pivot connection piece at the proximal end of each first section rod comprises a first inserted connection portion that is inserted into and fixedly connected to of the proximal end of the corresponding first section rod, a first circular pivot connection portion exposed outside the proximal end of the corresponding first section rod, a first arc-shaped concave portion that is located on a side of the first circular pivot connection portion close to the first inserted connection portion and extends outward in an axial direction of the first circular pivot connection portion, a first sector-shaped limiting block that is arranged on an outer surface of the first circular pivot connection portion in a protruding manner and is close to the first arc-shaped concave portion, and a first sector-shaped limiting groove that is concavely formed on the outer surface of the first circular pivot connection portion and is away from the first arc-shaped concave portion, wherein one end of the first sector-shaped limiting groove is provided with a vertical first end wall, and the other end of the first sector-shaped limiting groove is provided with a horizontal second end wall,
- wherein the second pivot connection piece at the proximal end of each second section rod comprises a second inserted connection portion that is inserted into and fixedly connected to of the proximal end of the corresponding second section rod, a second circular pivot connection portion that is exposed outside the proximal end of the corresponding second section rod and arranged with the first circular pivot connection portion in a staggered manner, a second arc-shaped concave portion that is located on a side of the second circular pivot connection portion close to the second inserted connection portion and extends inward in an axial direction of the second circular pivot connection portion, a second sector-shaped limiting block that is arranged on an inner surface of the second circular pivot connection portion in a protruding manner and is close to the second arc-shaped concave portion, and a second sector-shaped limiting groove that is concavely formed on the inner surface of the second circular pivot connection portion and is away from the second arc-shaped concave portion, wherein one end of the second sector-shaped limiting groove is provided with a vertical third end wall, and the other end of the second sector-shaped limiting groove is provided with a horizontal fourth end wall,
- wherein the first circular pivot connection portion and the second circular pivot connection portion are staggered side by side and pivotally connected to each other through a pin, the first arc-shaped concave portion is slidably fitted with an outer circular surface of the second circular pivot connection portion, and the second arc-shaped concave portion is slidably fitted with an outer circular surface of the first circular pivot connection portion, wherein the first sector-shaped limiting block is inserted into and slidably matched with the second sector-shaped limiting groove, and the second sector-shaped limiting block is inserted into and slidably matched with the first sector-shaped limiting groove,
- wherein when the two section rods of each of the side rods are folded, the first arc-shaped concave portion slides to a lower side of the outer circular surface of the second circular pivot connection portion, the second arc-shaped concave portion slides to a lower side of the outer circular surface of the first circular pivot connection portion, the first sector-shaped limiting block slides to a position where its top abuts against the fourth end wall, and the second sector-shaped limiting block slides to a position where its top abuts against the second end wall.