Long-stroke trigger switch with instantaneous structure

A long-stroke trigger switch with an instantaneous structure, comprising a base body, an upper cover and a push shaft,

• wherein one end of the push shaft is arranged in a box body formed by the base body and the upper cover, and another end of the push shaft extends out of the box body;
• wherein a trigger is arranged at the end, extending out of the box body, of the push shaft, and a key and key springs are also arranged between the trigger and the box body;
• a reset spring is arranged on a part, arranged in the box body, of the push shaft;
• wherein a push shaft insert block is arranged at the end, arranged in the box body, of the push shaft, a movable contact assembly and a binding post assembly matched with the movable contact assembly are arranged below the push shaft insert block, a middle shaft assembly is arranged between the movable contact assembly and the push shaft insert block, one end of the middle shaft assembly is connected to the movable contact assembly, and an other end of the middle shaft assembly is connected to the push shaft;
• wherein the movable contact assembly and the binding post assembly are arranged on the base body;
• wherein the movable contact assembly comprises a movable sliding block, a movable contact, a movable contact spring and a movable contact group, the movable contact and the movable contact spring are arranged on the movable sliding block, the movable contact group is arranged on the movable contact, and said one end of the middle shaft assembly is connected to the movable sliding block;
• and
• wherein the binding post assembly comprises binding posts and a static contact group arranged on the binding posts;
• and the movable contact group is matched with the static contact group.