Electrical connector

An electrical connector, comprising:

• a metal shell comprising a first side wall, a second side wall, a third side wall, and a fourth side wall connected in sequence, wherein the first side wall, the second side wall, the third side wall, and the fourth side wall define an accommodating space, a first opening, and a second opening, the first opening and the second opening are respectively located at two opposite sides of the accommodating space, the first side wall comprises a first layer and a second layer, the first layer faces the third side wall, the second layer faces the third side wall and is away from the third side wall, the first layer is provided with two buckle grooves, an extension direction of the two buckle grooves is a direction from the first opening to the second opening, and an end of each of the two buckle grooves is flush with a side of the first layer close to the second opening;
• and
• a cover comprising:
• a flat plate portion covering the first opening of the metal shell;
• and
• two fixing portions extending from the flat plate portion and disposed in the accommodating space of the metal shell, wherein each of the fixing portions comprises a first plate, a curved portion, and a second plate that extend from the flat plate portion and are connected in sequence, inner surfaces of the two curved portions face each other, outer surfaces of the two curved portions respectively contact the second side wall and the fourth side wall, the two first plates are parallel to the first side wall and contact the first side wall, each of the first plates is provided with a buckle member, the two buckle members are respectively buckled in the two buckle grooves, and a free end of each of the second plates contacts the third side wall.