FITTING STRUCTURE OF SENSOR ELEMENT, AND SENSOR CASE

摘要

PROBLEM TO BE SOLVED: To provide a fitting structure of a sensor element, capable of improving assemblability and removability of the sensor element.SOLUTION: The fitting structure comprises: a joint part 34 attached to a circuit board 3 and including a fixed cylindrical connection plug 36; a sensor case rotatably attached to the joint part; a sensor element 35 stored in the sensor case; a detection window part 33a performing sensing from the sensor element arranged in the sensor case; and a sensor connection pin 37 fixed to the sensor case and supported by being rotatably brought into electric contact with the inside of the connection plug.