Signal line protection structure of engine oil pressure sensor

The utility model discloses a signal line protection structure of an engine oil pressure sensor, which comprises a pressure sensor main body and a protection sleeve sleeved on the outer side of a signal line, a plug is inserted in the pressure sensor main body and is connected with one end of the signal line, a cylinder is fixed on the outer side of the protection sleeve, a conical pipe is fixed on one side of the cylinder, and the conical pipe is connected with the protection sleeve. An oil storage tank is arranged below the cylinder, an oil guide pipe is arranged between the oil storage tank and the cylinder, the top of the oil guide pipe is fixed and communicated with the cylinder, the bottom of the oil guide pipe is fixed and communicated with an oil connecting pipe, the connecting pipe is in threaded connection with the oil storage tank, and the connecting pipe is communicated with the oil storage tank. Due to the fact that the diameter of the vertical section of the conical pipe is gradually reduced in