| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure for fitting a printed board to a case wherein assembly work is easy, no separate part is required for fixing a printed board, and it copes with a plural kinds of printed boards only using combination of same parts. SOLUTION: The structure of fitting a printed board 2 to a case 1 comprises the case 1, a lid 5, a seal ring rubber 4, and the printed board 2 fitted with a connector 3. The seal ring rubber 4 is assembled in an assemble groove 5A of the lid while the printed board 2 is assembled in the case 1. When a U-shape engagement protruding part 5B of the lid is inserted and fixed to an engagement reception part 1B of the case 1, an engagement groove 4B provided at the center of four sides of the seal ring rubber 4 engages with a protruding part provided inside of periphery of the bottom part of the case 1, while an elastic piece 4A protruding from the seal ring rubber 4 pressurizes the printed board 2 to the case 1 for fixing. |
