Chain type combined cultivation box for plants

The utility model discloses a plant chained combination incubator, which comprises a base, a planting vessel and an irrigation part, the irrigation part comprises a connecting pipe, the circumferential outer wall of the connecting pipe is embedded into the inner walls of through holes arranged at the two sides of the planting vessel, an external thread ring is integrally formed at one end of the connecting pipe, and a spray head assembly is arranged on the circumferential outer wall of the connecting pipe; the control valve is connected to the other end of the connecting pipe through threads; the guide pipe is in threaded connection with one end, far away from the connecting pipe, of the control valve; the internal thread ring is movably connected to the end, away from the control valve, of the guide connecting pipe; the outer diameter of the outer threaded ring is matched with the inner diameter of the inner threaded ring. According to the utility model, a plurality of planting vessels can be connected in a