Top cover assembly, secondary battery, and power consumption apparatus

A secondary battery, comprising a top cover assembly;

• wherein the top cover assembly comprises:
• a top cover plate, the top cover plate provided with a mounting hole, and the mounting hole comprising a sealing hole section;
• a pole, inserted into the mounting hole, the pole comprising a sealing shaft section, wherein the sealing shaft section is inserted into the sealing hole section, and a side wall of the sealing hole section and a side wall of the sealing shaft section are both tilted with respect to an axis of the mounting hole;
• and
• a sealing ring, disposed between the side wall of the sealing hole section and the side wall of the sealing shaft section.

A power consumption apparatus, comprising a secondary battery, wherein the secondary battery is configured to provide electric energy;

• and
• the secondary battery comprises a top cover assembly;
• wherein the top cover assembly comprises:
• a top cover plate, the top cover plate provided with a mounting hole, and the mounting hole comprising a sealing hole section;
• a pole, inserted into the mounting hole, the pole comprising a sealing shaft section, wherein the sealing shaft section is inserted into the sealing hole section, and a side wall of the sealing hole section and a side wall of the sealing shaft section are both tilted with respect to an axis of the mounting hole;
• and
• a sealing ring, disposed between the side wall of the sealing hole section and the side wall of the sealing shaft section.