BOARD CASE UNIT AND GAME MACHINE

PROBLEM TO BE SOLVED: To provide a board case unit that makes frauds against a sealing member difficult to be performed and can effectively prevent frauds against a board case, and to provide a game machine.SOLUTION: The board case unit 45 includes a body case 35a, a lid case 35b, and the sealing member 44. The body case 35a includes a through-hole 42 formed thereon. The lid case 35b includes an insert hole 43 formed thereon. The sealing member 44 has a body part 44a, a flange 44b, and a projection pin 46. Sealing is achieved by engaging the flange 44b with a vicinity of an entrance of the through-hole 42 and engaging the projection pin 46 with an engagement groove 43a formed in the insert hole 43. The sealing member 44 further has a stopper member 48 moving to a releasing position and a locking position. While the body part 44a is inserted into the insert hole 43, the stopper member 48 is at the locking position for keeping the projection pin 46 in a projecting state.