Electronic charging device for vehicles and method for making same

摘要

An electronic charging device for vehicles comprises a stretchable contact head, a housing connected with the contract head, an outside diameter of a bottom part of the housing is equal to an inside diameter of a power taking mouth of a vehicle cigarette lighter, a power adapter is located inside the housing, the power adapter has a first electrode contact and a second electrode contact, the first electrode contact is located at the bottom part of the housing, a top area of the contract head is defined as the second electrode contact, a top part of the housing has a charging port, the charging port is connected with the power adapter, the housing further includes a limiting element, the limiting element is clamped with the contract head through a clamping piston structure, the housing further has a spring, one end of the spring resists the contract head.

主权项

1. An electronic charging device for a vehicle, comprising,
a stretchable contact head, a housing connected with the contract head, an outside diameter of a bottom part of the housing being equal to an inside diameter of a power taking mouth of a vehicle cigarette lighter, a power adapter being located inside the housing, the power adapter having a first electrode contact and a second electrode contact, the first electrode contact being located at the bottom part of the housing, a top area of the contract head being defined as the second electrode contact, a top part of the housing having a charging port, the charging port being connected with the power adapter, the housing further including a limiting element, a first clamping structure of the limiting element being clamped with a second clamping structure of the contract head, the contract head slipping relative to the limiting element due to the first clamping structure and the second clamping structure, and the contact head and the limiting element cooperatively forming a clamping piston structure through the first clamping structure and the second clamping structure, the housing further having a spring, one end of the spring resisting the contract head.