| 摘要 |
PROBLEM TO BE SOLVED: To regulate movement of a tire valve in both directions in an axial direction of a valve stem.SOLUTION: A tire valve unit 10 comprises: a tire valve 20 attached to a rim of a vehicular wheel; and a sensor unit integrated with the tire valve 20 and disposed in a tire attached to the vehicular wheel. The sensor unit comprises a sensor and a housing 31 in which the sensor is housed. The housing 31 has a pair of wall parts 41 projecting from an outer surface with an interval, and the wall parts 41 respectively have an insertion hole 42 into which a valve stem 21 is inserted. The valve stem 21 is inserted into the insertion hole 42 and has a groove 28 on an outer peripheral surface positioned between the pair of wall parts 41. A stopper 50 has a fitting part 51 inserted into the wall part 41 and fitted to the groove 28, and a claw part 55 attached to the housing 31. |
