Composite metal button

The utility model discloses a composite metal button which comprises a button body, a lower shell, an upper shell cap, a threaded sleeve, an aromatherapy cotton block and a thread retaining ring, thebutton body is composed of the lower shell and the upper shell cap, the threaded sleeve is welded to the bottom of the upper shell cap, a threaded groove corresponding to the threaded sleeve is formedin the top in the lower shell, and a storage groove is formed in the upper shell cap. And aromatherapy cotton blocks are filled in the storage grooves. When the button is used, a person can twist thecurrent upper shell cap according to preference requirements, and the upper shell cap of the gas specification model is replaced to carry out threaded screwing installation on the threaded groove ofthe lower shell, so that the using interestingness of the whole button is greatly improved, and the button has high decoration performance. 本实用新型公开了一种复合金属纽扣，包括纽扣、下壳、上壳帽、螺纹套、香薰棉块和线扣环，所述纽扣由下壳和上壳帽组成，所述上壳帽底部焊设有螺纹套，所述下壳内顶部开设有与螺纹套对应的螺