Direct current contactor's pottery cover constructs with fixed knot of yoke board

The utility model discloses a direct current contactor's pottery cover constructs with fixed knot of yoke board, including pottery cover and yoke board, the pottery cover is equipped with opening cavity down, the bottom at the pottery cover is installed to the yoke board to enclose into an inner chamber that is used for providing sound contact cooperation space, couple through a nail type part stationary phase between the peripheral and ceramic bottom of covering of yoke board. The utility model discloses an original special metal and secondary welding structure have been cancelled to mechanically fastening's mode, can enough reduce the preparation degree of difficulty, can reduce the cost of manufacture again, but also the pottery cover is not damaged in can effectively protecting assembling process. 本实用新型公开了种直流接触器的陶瓷罩与轭铁板的固定结构，包括陶瓷罩和轭铁板；所述陶瓷罩设有开口朝下的凹腔，所述轭铁板安装在陶瓷罩的底端，以围成个用来提供动静触头配合空间的内腔；所述轭铁板的周边与陶瓷罩的底端之间通过钉类零件固定相联接。本实用新型通过机械固定的方式，取消了原有的特种金属及二次焊接结构，既能够降低制作难度，又能够降低制作成本，而且还能够有效保护装配过程中陶瓷罩不被损坏。