Anti-fracture transmission structure and electronic expansion valve

The utility model discloses an anti-fracture transmission structure and an electronic expansion valve. The anti-fracture transmission structure comprises a lead screw and a connecting plate. The screw rod is provided with an end part, and the end part is provided with a connecting part; the connecting plate comprises a flat plate and a convex part arranged on the flat plate, a connecting hole matched with the connecting part is formed in the convex part, and the connecting hole penetrates through the convex part and the flat plate; and interference fit is formed between the connecting part and the connecting hole, so that the lead screw and the connecting plate are connected together. The electronic expansion valve can prevent the lead screw from being broken in the using process, and the stability of the electronic expansion valve is improved. 本实用新型公开了一种防断裂的传动结构及电子膨胀阀，所述防断裂的传动结构包括丝杆和连接板；所述丝杆设有一端部，所述端部设有一连接部；所述连接板包括一平板和一设于所述平板上的凸部，所述凸部上开设有一与所述连接部相匹配的连接孔，且所述连接孔贯穿所述凸部和所述平板；其中，所述连接部和所述连接孔之间形成过盈配合以将所述丝杆和所述连接板连接在一