Explosion-proof valve body, battery and electric device

The utility model provides an anti-explosion valve body, a battery and a power utilization device, the anti-explosion valve body comprises a valve body and a sealing structure, the valve body comprises a boss defining a hollow cavity, and the boss comprises a first surface and a second surface which are oppositely arranged in the first direction; the boss is provided with a first groove, a second groove and a connecting hole communicated with the first groove and the second groove, the first groove is concavely arranged from the first surface to the second surface, the second groove is concavely arranged from the second surface to the first surface, and the sealing structure comprises a first sealing piece, a second sealing piece and a connecting piece; the first sealing piece is embedded in the first groove, the second sealing piece is embedded in the second groove, and the connecting piece is embedded in the connecting hole and is connected with the first sealing piece and the second sealing piece, so that