Nail passage and driving mechanisms and nail gun having same

A nail gun for nailing, comprising:

• a magazine mechanism for storing nails;
• a driving mechanism;
• a striking mechanism in association with the driving mechanism;
• and
• a nail passage mechanism,
• wherein the magazine mechanism and the striking mechanism are both in association with the nail passage mechanism;
• wherein the striking mechanism comprises a striking member configured to strike a nail in a striking direction, wherein the striking member comprises:
• a striking member body:
• a primary guiding groove formed on a first side of the striking member body:
• a secondary guiding groove formed on an opposite, second side of the striking member body;
• and
• more than one tooth blocks sequentially arranged on a lateral side of the striking member body and protruding from the lateral side of the striking member body,
• wherein the secondary guiding groove locates the more than one toothed blocks;
• and
• wherein the nail passage mechanism comprises:
• a muzzle member having a top surface and a nail hole;
• a muzzle cover having a bottom surface and disposed above the muzzle member;
• and
• a nail passing channel formed between the top surface of the muzzle member and the bottom surface of the muzzle cover permitting the striking member to pass therethrough for striking the nail,
• wherein the muzzle cover comprises a guiding bar received and accommodated in the primary guiding groove of the striking member;
• and a clearance groove permitting the more than one tooth blocks of the striking member to pass therethrough, wherein the clearance groove locates on a first side of the nail passing channel;
• and
• wherein the muzzle member comprises a protruding blocking rim received and accommodated in the secondary guiding groove of the striking member, wherein the protruding blocking rim locates on the first side of the nail passing channel.