| 摘要 |
PROBLEM TO BE SOLVED: To make an engagement piece unlikely to be disengaged from an engagement protrusion even when a load acts, in a structure for coupling a mounting component to a mounted component according to a so-called snap-fit method.SOLUTION: An engagement protrusion 29 is provided in an outer wall part of a main body case 12. A cover case 13 comprises an elastically deformable engagement piece 30 including a hole part 30a which is disposed along the outer wall part while extending in the direction of an arrow A and in which the engagement protrusion 29 is disposed, and a hook part 32 which is hung on a lock surface 29b of the engagement protrusion 29 while facing the hole part 30a. In the engagement piece 30, a slit 30b is formed while being positioned in a side portion of the hook part 32. An abutment surface 32a which is hooked on the lock surface 29b of the hook part 32 is made into tapered surface. |
