A folding chair, comprising:
- a left central support rod, left front support rod, left rear support rod, left central leg terminal, left front leg terminal, left rear leg terminal, left limiting element, left sliding element, left limiting sliding element, left connecting element, right central support rod, right front support rod, right rear support rod, right central leg terminal, right front leg terminal, right rear leg terminal, right limiting element, right sliding element, right limiting sliding element, right connecting element, first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, fifth connecting rod, sixth connecting rod, seventh connecting rod, eighth connecting rod and weight-bearing unit;
- wherein an end of the left central support rod is disposed at the left central leg terminal, wherein the left limiting element, the left sliding element and the left limiting sliding element are disposed at the left central support rod, wherein the left limiting element is disposed below the left sliding element, wherein the left sliding element is disposed below the left limiting sliding element, wherein the left connecting element is disposed at another end of the left central support rod, wherein one end of the left front support rod is disposed at the left front leg terminal, wherein another end of the left front support rod is pivotally disposed at the left connecting element, wherein one end of the left rear support rod is disposed at the left rear leg terminal, wherein another end of the left rear support rod is pivotally disposed at the left connecting element;
- wherein one end of the right central support rod is disposed at the right central leg terminal, the right limiting element and the right sliding element, and the right limiting sliding element is disposed at the right central support rod, wherein the right limiting element is disposed below the right sliding element, wherein the right sliding element is disposed below the right limiting sliding element, wherein the right connecting element is disposed at another end of the right central support rod, wherein one end of the right front support rod is disposed at the right front leg terminal, wherein another end of the right front support rod is pivotally disposed at the right connecting element, wherein one end of the right rear support rod is disposed at the right rear leg terminal, wherein another end of the right rear support rod is pivotally disposed at the right connecting element;
- wherein the first connecting rod has an end pivotally disposed at the left central leg terminal and another end pivotally disposed at the right limiting sliding element;
- wherein the second connecting rod has an end pivotally disposed at the right central leg terminal and another end pivotally disposed at the left limiting sliding element;
- wherein the third connecting rod has an end pivotally disposed at the left front leg terminal and another end pivotally disposed at the left sliding element;
- wherein the fourth connecting rod has an end pivotally disposed at the left sliding element and another end pivotally disposed between two ends of the first connecting rod and positioned proximate to the left central leg terminal;
- wherein the fifth connecting rod has an end pivotally disposed at the left sliding element and another end pivotally disposed at the left rear leg terminal;
- wherein the sixth connecting rod has an end pivotally disposed at the right front leg terminal and another end pivotally disposed at the right sliding element;
- wherein the seventh connecting rod has an end pivotally disposed at the right sliding element and another end pivotally disposed between two ends of the second connecting rod and positioned proximate to the right central leg terminal;
- wherein the eighth connecting rod has an end pivotally disposed at the right sliding element and another end pivotally disposed at the right rear leg terminal;
- wherein the weight-bearing unit comprises a seat cushion portion, back rest portion, left hanging portion and right hanging portion, with the back rest portion connected to the seat cushion portion, wherein the left hanging portion and the right hanging portion are disposed at two edges of the seat cushion portion, respectively, and fitted to the left connecting element and the right connecting element, respectively.