The utility model relates to an
assembly structure, especially a rechargeable
sodium battery to dry battery
assembly structure, including electric core, cap, PCB support frame, PCB, PCB spring and negative pole insulating sheet, the electric core upper end is equipped with the cap, the negative pole of electric core and PCB support frame are pasted, the top of PCB support frame is connected with the PCB, and the cap is closely pasted with the PCB, and the bottom of PCB is integrated with the PCB spring, and the positive pole of electric core and PCB spring are pasted, and the cap top is pasted with negative pole insulating sheet, the utility model discloses through the PCB
assembly on the PCB support frame, the cap is assembled to the electric core, and the cap and electric core are through
interference fit, complete the assembly of finished product electric core, can be through the notch and be inserted into the cap, charge, and this kind of assembly process is simple, has the function of charging, long cycle life, safe and environment-friendly.