Switch box structure of a ceiling fan

A switch box structure of a ceiling fan, comprising:

• a housing (10) including:
• a top cover (11) having a panel defining a lamp source switch hole (110), a direction control switch slot (111), and a fan switch hole (112), said top cover (11) having a top wall defining a receptacle slot (114), said top cover (11) having a bottom wall defining a ventilating portion (113);
• and
• a base (12) secured on said top cover (11), and defining a wire collection hole (120);
• a receptacle (70) received in said receptacle slot (114);
• and
• a connecting wire control device (A) mounted in said housing (10) and including:
• a lamp source switch (40) received in said lamp source switch hole (110) and protruding outward therefrom;
• a direction control switch (30) received in said direction control switch slot (111) and protruding outward therefrom;
• and
• a fan switch (20) received in said fan switch hole (112) and protruding outward therefrom, said fan switch (20) including:
• a lower casing (22);
• an upper casing (21) secured on said lower casing (22);
• a plurality of power connection seats (26) secured in said lower casing (22);
• a plurality of conducting members (27) each mounted in a respective one of said power connection seats (26);
• a rotation shaft (24) rotatably mounted between said upper casing (21) and said lower casing (22);
• and
• a speed control contact member (25) integrally formed on said rotation shaft (24) to rotate therewith, and including a plurality of contact legs each in contact with some respective conducting members (27) during rotation of said rotation shaft (24).