| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-cost inner and outer pressure equilibrating apparatus for a refrigerator having simple manufacturing operation. SOLUTION: The inner and outer pressure equilibrating apparatus 3 for a refrigerator comprises a body 4 engaged with a through hole 2 formed at the wall 1 of the refrigerator and capable of blocking the hole 2. A first oblique wall 6 inclined down toward the outdoor and a second oblique wall 7 inclined up toward the outdoor are provided at the body 4. Openings 8, 9 are formed at the walls 6, 7, respectively. Normally closed valves 10, 110 for closing the openings 8, 9 and made of a silicone rubber are disposed at the upper surface sides of the walls 6, 7. The upper ends of the valves 10, 11 are fixed to the upper parts than the openings 8, 9 of the walls 6, 7. |
