Blind nail mortar paving mold tightly connected with roadbed

The utility model provides a blind nail mortar paving mould tightly connected with a roadbed, which relates to the technical field of roadbed paving moulds and comprises a mould base, a mounting side plate is arranged around the top surface of the mould base, and a pushing threaded rod is arranged in the middle of the side surface of the mounting side plate. Different numbers of connecting adjusting plates are arranged on the two sides of the middle connecting plate, so that the distance between the first lateral connecting plate and the middle connecting plate and the distance between the second lateral connecting plate and the middle connecting plate can be adjusted according to the size of a roadbed on a use site, and the application range of the mold is widened; when the mold is used on a construction site, the use convenience can be improved, and a first lateral connecting plate, a second lateral connecting plate, a connecting adjusting plate and a middle connecting plate are connected through limiting s