Electric grinder

An electric grinder, comprising:

• a shell accommodating:
• a grinding chamber provided with a filling hole,
• a grinding mechanism set at a first end of the grinding chamber,
• a reducing mechanism at a second end of the grinding chamber opposite the first end, and
• a power mechanism at the second end of the grinding chamber,
• a chamber cover provided opposite to the filling hole, wherein the chamber cover is provided with a snap and wherein the chamber cover is detachably connected to the grinding chamber through the snap;
• a limiting part mounted on the filling hole, wherein the limiting part is arranged on the inner edge of the filling hole, and wherein the snap is detachably connected to the limiting part;
• a notch on the limiting part, wherein the notch has a width greater than the width of the snap;
• wherein the filling hole of the grinding chamber can be opened or closed by turning the chamber cover;
• wherein the limiting part is further provided with a slot on the side facing the inside of the grinding chamber,
• wherein the slot is connected to the notch, and
• wherein the slot fits with the snap.