Endoscopic detection device for narrow space

The invention discloses an endoscopic detection device for a narrow space, which comprises an endoscopic probe and an intelligent terminal, a guide push tube is arranged between the endoscopic probe and the intelligent terminal, and a probe joint is integrally arranged at the front end of the guide push tube; the end, deviating from the probe connector, of the guiding push pipe is connected with a cable winding frame. A metal hose and a rubber insulation sleeve are sequentially arranged on the guide push pipe from inside to outside, and the outer surface of the metal hose is bonded and fixed with the inner surface of the rubber insulation sleeve; a wire through hole is formed in the metal hose, a connecting wire is arranged in the wire through hole, one end of the connecting wire is connected with the endoscopic probe, and the other end of the connecting wire is connected with the intelligent terminal. A visual angle converter is detachably arranged at the front end of the endoscopic probe, and a corner obser