Lock-catch-type assembled and combined tray

Provided is a lock-catch-type assembled and combined tray, comprising support beams (1) and pallets (2), characterized in that: an embedded block (21) comprises a main body (211); the main body (211) is provided with a latch hook (212) in the width direction of an embedding groove (11); the outside at the other end is provided with a hook portion (2121) cooperating with a clamping and blocking portion (111) of the embedding groove (11) in a clamping and blocking manner; a step locating face (2122) is provided on the latch hook (212) corresponding to a locating rod (3); when the locating rod (3) is in a penetrating state, the locating rod (3) and the step locating face (2122) cooperate and abut against each other, and the latch hook (212) remains in the state whereby the hook portion (2121) thereof cooperates with the clamping and blocking portion (111) of the embedding groove (11) in a clamping and blocking manner; while when the locating rod (3) is not in a penetrating state, the embedded block (21) is enabled to be embedded into or released from the embedding groove (11) in the vertical direction. The present invention enables the pallets to be mounted on the support beams in the vertical direction, on the premise of ensuring high connection reliability of the pallets and the support beams, thereby solving the problem of inconvenience of replacing the pallets in the middle part.