Bottom cup cover, burner and gas appliance

A burner, comprising:

• a bottom cup assembly;
• and
• a flame spray arranged on the bottom cup assembly,
• wherein the bottom cup assembly comprises a bottom cup cover and a bottom cup seat, the bottom cup cover is fitted in the bottom cup seat, and the flame spray is arranged on the bottom cup cover,
• wherein the bottom cup cover further comprises:
• a gas intake assembly provided with a first gas intake channel, a connecting channel and a second gas intake channel, the connecting channel connecting the first gas intake channel to the second gas intake channel, the second gas intake channel being obliquely arranged relative to the first gas intake channel, and the first gas intake channel having a gas inlet;
• and
• a first primary air supplement cavity and a second primary air supplement cavity being defined in the bottom cup cover, the first primary air supplement cavity being separated from the second primary air supplement cavity, the first gas intake channel being in communication with the first primary air supplement cavity, the second gas intake channel being in communication with the second primary air supplement cavity, and the connecting channel being configured to gas flow to circulate between the first primary air supplement cavity and the second primary air supplement cavity.

A gas appliance, comprising:

• a burner, the burner further comprising:
• a bottom cup assembly;
• and
• a flame spray arranged on the bottom cup assembly,
• wherein the bottom cup assembly comprises a bottom cup cover and a bottom cup seat, the bottom cup cover is fitted in the bottom cup seat, and the flame spray is arranged on the bottom cup cover,
• wherein the bottom cup cover further comprises:
• a gas intake assembly provided with a first gas intake channel, a connecting channel and a second gas intake channel, the connecting channel connecting the first gas intake channel to the second gas intake channel, the second gas intake channel being obliquely arranged relative to the first gas intake channel, and the first gas intake channel having a gas inlet;
• and
• a first primary air supplement cavity and a second primary air supplement cavity being defined in the bottom cup cover, the first primary air supplement cavity being separated from the second primary air supplement cavity, the first gas intake channel being in communication with the first primary air supplement cavity, the second gas intake channel being in communication with the second primary air supplement cavity, and the connecting channel being configured to gas flow to circulate between the first primary air supplement cavity and the second primary air supplement cavity.