Multilayer plywood sound insulation structure

• Main Authors: ZHENG SHENGTAO, ZHENG SHENGBIN
• Format: Patent
• Language: Chinese; English
• Published: 13.01.2023
• Subjects: LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; TRANSPORTING; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; WORKING VENEER OR PLYWOOD

The utility model relates to the technical field of plywood, and discloses a multilayer plywood sound insulation structure which comprises a first wood board, the back face of the first wood board is fixedly connected with a flame retardant layer, the back face of the flame retardant layer is fixedly connected with a rubber layer, and the back face of the rubber layer is fixedly connected with a second wood board. The back face of the second wood plate is fixedly connected with a fixing frame, and sound insulation cotton is fixedly installed in the fixing frame. The composite board has the following advantages and effects that the flame-retardant layer and the rubber layer are arranged between the first wood board and the second wood board, flame retardance and vibration absorption are achieved, a certain sound insulation effect is achieved, the sound insulation cotton is installed in the middle of the fixing frame, sound insulation is achieved, the fixing frame is reinforced and supported by the fixing frame