Blade holder assembly for blender

A blade holder assembly for blender, comprising a cup body (1), a cup base (2) and a blade holder component (3), the cup body (1) is arranged on the cup base (2), and the cup base (2) connects the cup body (1) with the blade holder component (3), characterized in that, the blade holder component (3) comprises a blade holder (31) arranged right below the cup base and connected with the cup base;

• a handle (32) is vertically arranged on a bottom part of the blade holder;
• connecting members (33) are arranged on both ends of the handle;
• a locator (34) is arranged on the bottom part of the blade holder to locate a relative position of the handle relative to the blade holder;
• a connector (35) is arranged at a center of the locator, and the blade holder, the locator and the connector are coaxial;
• a guide bone (311) is arranged on an edge of the blade holder, and a rotary fastener (312) is arranged in the guide bone;
• on the rotary fastener, two opposing fastening members (313) are arranged;
• the connecting members at said both ends of the handle are connected with the rotary fastener, a guide slot (21) is arranged on an inner edge of the cup base to connect with the guide bone;
• in the guide slot, a convex button (22) is arranged for fastening the rotary fastener.