Annular key module

The utility model discloses an annular key module, including the shell of electronic product, with the button fixed disk of shell joint, install in button on the button fixed disk, circular through -hole has been seted up on the shell, circular through -hole pass through the baffle separate it become in the middle of according to the bonding region with surround 4 fan -shaped bonding regions of pressing that the bonding region set up are pressed at the center, the button includes central button and 4 fan -shaped buttons, center button and fan -shaped button limit it in the corresponding bonding region of pressing through the installation fixed disk, the diapire of center button and fan -shaped button all is provided with the fixed column, be provided with on the button fixed disk and be used for inserting the through -hole of establishing the fixed column, and follow the through -hole is provided with limiting convex ring, and limiting convex ring's both sides are provided with the resilience arm of upspringi