| 摘要 |
PROBLEM TO BE SOLVED: To provide a pressure-activated switch in which a joint, a bellows, and an actuation section can be easily combined with a body thereof and which is reduced in size by eliminating the use of a cap or the like at the part where the joint is attached.SOLUTION: A bellows 12 is connected with a joint 11 to construct a joint unit 1'. A hexagonal insertion hole 21a is formed on the bottom plate 21 of a reinforcement plate 2, and a hexagonal section 112' is fitted into the insertion hole 21a. An actuation section 4 is combined with the reinforcement plate 2 to construct a built-in assembly 10. Fixation claws 22a, 23a are formed on the reinforcement plate 2. A press-in hole 31e is formed on the bottom plate 31 of a support case 3'. A fixation hole 32a is formed on a back plate 32. The joint 11 is inserted through an insertion hole 31a, and is press-fitted to the press-in hole 31e. The fixation claws 22a, 23a are inserted through the fixation holes 32a to be bent. The corners of the hexagonal section 112' of the joint 11 are swaged to a support case 3' side. |
