Multiple unit valve is acted as go -between

The utility model belongs to the technical field of automobile dragging line, especially, relate to a multiple unit valve is acted as go -between. Dabber one end is equipped with first pillar and connects, is equipped with the universal joint in first pillar connects, and first connection fork loops through first dabber joint and links to each other with dabber one end with the universal joint, and the dabber other end is equipped with the second pillar and connects, and the spiro union had the sleeve pipe inner on the second pillar connected the outer end, and the second pillar connects and go back the spiro union and have the outer end to support the nut by serving in the sleeve pipe, overlaps intraductal being equipped with the fork is connected to the second, and the second connects that the fork connects through the second dabber and the dabber other end links to each other, and the sleeve pipe outer end is equipped with the rotation in a circumferential direction seat that linksto each other with the sl