Direction adjusting device for oil-gas well down-hole tool

The invention discloses a direction adjusting device for an oil-gas well down-hole tool. The direction adjusting device for the oil-gas well down-hole tool comprises an upper-pipe direction-changing pipe sleeve, a lower-pipe fixing pipe sleeve and a connecting sleeve. The upper end of the upper-pipe direction-changing pipe sleeve and an upper pipe of the oil-gas well down-hole tool are in threaded connection. The lower end of the upper-pipe direction-changing pipe sleeve is provided with a necking guiding pipe. An annual sealing bearing boss is arranged on the surface of the upper-pipe direction-changing pipe sleeve. The annual sealing bearing boss is provided with a bevel which inclines downwards. The necking guiding pipe is inserted into an upper end opening of the lower-pipe fixing pipe sleeve and enables an anti-rotation matching tooth to be located in a clamping groove corresponding to the upper end opening of the lower-pipe fixing pipe sleeve. The lower end of the connecting sleeve and the upper end of