Battery pack and electric tool system

• Main Authors: YAN AN, XIE XUYAN
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2023
• Subjects: BASIC ELECTRIC ELEMENTS; COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR; ELECTRICITY; HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TRANSPORTING

The utility model provides a battery pack and an electric tool system, and belongs to the technical field of electric energy storage. The battery pack comprises a battery cell assembly containing a plurality of battery cells; the supporting assembly is used for accommodating the battery cell assembly, and air holes are formed in the supporting assembly; at least two air windows are arranged on the shell, the shell comprises a first shell, a second shell and a containing space defined by the first shell and the second shell, and the supporting assembly and the battery cell assembly are contained in the containing space; the filling body is arranged between at least two adjacent battery cells and is in contact with the battery cells; air holes are formed in the filling body, and airflow flows in from the air window on one side of the shell and flows out from the air window on the other side of the shell through the air holes and the air holes. According to the battery pack disclosed by the utility model, the te