Lock for suitcase

A lock for a suitcase including a base portion (200) and a cover (201), said lock comprising:

• an engaging part (10) adapted to be connected to the cover (201) and having a hook (11) pivotally connected to said engaging part (10), said engaging part (10) including two insertions (15) extending outward therefrom;
• a base (20) having an aperture (201) defined therein for detachably receiving said hook (11), said base (20) defining two holes (202) each located beside said aperture (201) for receiving a respective one of said two insertions (15) when said engaging part (10) is mounted to said base (20), a retaining member (30) movably received in said base (20) and a pin (31) extending from said retaining member (30), said pin (31) movably extending into said aperture (201) to engage with said hook (11);
• a control frame (40) movably received in said base (20) and two protrusions (41) each extending from said control frame (40), said control frame (40) having a lug (44) extending therefrom, a connecting member (42) connected between said control frame (40) and said retaining member (30), a spring (43) having a first end fixedly connected to said base (20) and a second end engaging with said control frame (40);
• two setting disks (50) each rotatably connected to said base (20) and each having a notch (51) defined therein, each of said two protrusions (41) detachably received in said notch (51) of a respective one of said two setting disks (50);
• two number disks (52) each respectively rotatably mounted to a respective one of said two setting disks (50);
• a block (60) movably connected to said base (20) and located beside said aperture (201), said block (60) having a thumb (61) extending therefrom, wherein when said control frame (40) is shifted by rotating said setting disks (50) to remove said protrusions (41) of said control frame (40) from said notches (51) of said setting disks (50), said lug (44) of said control frame (40) is stopped by said thumb (61) of said block (60);
• and
• a setting member (70) located beside said block (60) and having a cam member (71) which pushes said block (60) into said aperture (201) when said setting member (70) is rotated.