Patent ID: 8172590

Claim:
A connecting structure of a lamp head base ( 2 ) and a lamp tube base ( 3 ), the lamp head base ( 2 ) comprising an upper cover ( 21 ) and a lower cover ( 22 ) to engage with each other, the lower cover ( 22 ) having two troughs ( 221 ) which face downward and a through hole ( 222 ) disposed between the two troughs ( 221 ); a locking base ( 5 ) being connected to the lower cover ( 22 ), the locking base ( 5 ) comprising a press surface ( 51 ) which is exposed outside an outer surface of the lower cover ( 22 ) and a hook ( 52 ) at an inner end thereof, the hook ( 52 ) being located above the through hole ( 222 ); the lamp tube base ( 3 ) including two tubular sleeves ( 31 ) to fix two feet ( 41 ) which extend upward from a lamp tube ( 4 ), a connecting portion ( 32 ) to secure the two tubular sleeves ( 31 ), and a locking slot ( 33 ) disposed above the connecting portion ( 32 ); when assembling, the two tubular sleeves ( 31 ) and the connecting portion ( 32 ) of the lamp tube base ( 3 ) being respectively inserted in the two troughs ( 221 ) and the through hole ( 222 ) of the lower cover ( 22 ) of the lamp head base ( 2 ) and the hook ( 52 ) of the locking base ( 5 ) engaging with the locking slot ( 33 ) of the lamp tube base ( 3 ).