Three types are marchd and are allied oneself with drum

The utility model discloses a three types are marchd and are allied oneself with drum, it is including the well girth sheets that allies oneself with drum group and made by the carbon fibre, allies oneself with in the drum group the big clamping ring that allies oneself with the drum and passes through screw rod and well girth sheets rigid coupling, and well girth sheets front end still is equipped with two and supplies back of the body frame connecting rod male recesses, and back of the body frame connecting rod inserts rethread bolt -up behind the recess, well girth sheets front end middle part is inside sunken to be formed with the notch, articulates two well rings of being made by the carbon fibre in the notch, and the clamping ring that allies oneself with drum group medium and small antithetical couplet drum passes through screw rod and well ring rigid coupling, still connects through the bolt -up between two well rings. The utility model discloses a three types are marchd and are allied oneself with drum substitutes the drum ear through well girth sheets and well ring for structure between drum chamber and the drum head is tighter, has avoided the trompil on the bulging chamber moreover, makes the vibration of drum chamber better, well girth sheets and well ring adopt the carbon fibre to make, weight loss for a large amount of bulging ears, and the player of being convenient for uses.