Electrolytic capacitor cover plate

The utility model discloses an electrolytic capacitor cover plate which comprises a cover plate outer layer, a cover plate middle layer and a cover plate inner layer, the cover plate outer layer is arubber layer, the cover plate middle layer is a metal layer, the cover plate inner layer is a resin plate layer, and the rubber layer, the metal layer and the resin plate layer are sequentially stacked and connected through rivets. The beneficial effects of the utility model are that the rubber layer, the metal layer and the resin plate layer are stacked in sequence and are connected through rivets, so as to improve the airtightness and heat dissipation of the electrolytic capacitor. 本实用新型公开了一种电解电容器盖板，包括盖板外层、盖板中层与盖板内层，所述盖板外层为橡胶层，所述盖板中层为金属层，所述盖板内层为树脂板层，所述橡胶层、所述金属层与所述树脂板层依序层叠并通过铆钉连接。本实用新型的有益效果是使用橡胶层、金属层与树脂板层依序层叠并通过铆钉连接，用以提高电解电容器的气密性和散热性。