Weft knitting machine knitting structure with changeable yarn positions

A weft knitting machine knitting structure with changeable yarn positions, wherein a facing yarn and a bottom yarn positioned below the facing yarn are fed during knitting, the weft knitting machine knitting structure comprising:

• a plurality of sinkers respectively comprising a belly, a nose connected with the belly, and a throat between the belly and the nose, wherein each of the plurality of sinkers is guided to perform a linear displacement movement, wherein the facing yarn is positioned above the nose and the bottom yarn is positioned in the throat in a process of the linear displacement movement;
• and
• a plurality of needles respectively arranged adjacent to one of the plurality of sinkers, a motion of the plurality of needles being perpendicular to a direction of the linear displacement movement, each of the plurality of needles including a hook and a latch for performing a closing action relative to the hook, wherein in a first needle retracting track, each of the plurality of needles generating a closing action of the latch at a latch closing time point;
• and in a second needle retracting track, each of the plurality of needles controls the latch generating the closing action of the latch before the latch closing time point;
• wherein each of the plurality of needles in the first needle retracting track knits a standard plating without changing positions of the facing yarn and the bottom yarn in the hook;
• and
• wherein each of the plurality of needles in the second needle retracting track knits an interchanged plating with changing the positions of the facing yarn and the bottom yarn in the hook, wherein in the second needle retracting track, the latch dials the bottom yarn to make the bottom yarn pushed by the nose of one of the plurality of sinkers when one of the plurality of sinkers adjacent to each of the plurality of needles does not restrict the positions of the facing yarn and the bottom yarn.