Track zipper and connecting structure with a track zipper

A track zipper, comprising a first track;

• a second track;
• and a zipper core connecting the first and second tracks;
• a first slidably connecting structure provided on the first track and a first side of the zipper core, the zipper core being slidable relative to the first track along a lengthwise direction thereof through the first slidably connecting structure, and the zipper core being inseparable from the first track in a direction perpendicular to the lengthwise direction of the first track;
• a second slidably connecting structure provided on the second track and a second side of the zipper core, the zipper core being slidable relative to the second track along a lengthwise direction thereof through the second slidably connecting structure, and the zipper core being inseparable from the second track in a direction perpendicular to the lengthwise direction of the second track;
• when the track zipper is in a closed position, the zipper core is provided between the first and second tracks, and connects the first and second tracks together;
• wherein the first and second tracks are formed with hooks that are engageable with an enlarged upper end of the zipper core so that movement of the zipper core is restricted at a specific position;
• and
• wherein the enlarged upper end of the zipper core is formed with slanted surfaces, and the lower end of the first and second tracks is enlarged to facilitate insertion of the zipper core into the first and second tracks.