The invention relates to automotive spare parts, in particular to an oil tank provided with a cold machining seal cover. The oil tank comprises a tank body and the seal cover which are made of high-strength cold-roll steel sheets, the outer edge of an opening of the tank body and the outer edge of the seal cover are pressed together through stamping, the stamped outer edges are curled downwards, the section of each stamped outer edge is of a spiral shape, the side, opposite to the seal cover, of the tank body is provided with an oil tank fixing plate, and the sidewall of the tank body is further provided with a pipeline port used for being communicated with the outside. The outer edge of the opening of the tank body and the outer edge of the seal cover are pressed together through stamping, the stamped outer edges are curled downwards, the section of each stamped outer edge is of the spiral shape, and the contact surfaces of the tank body and the seal cover are meshed with each other, so that the seal reliability and connection firmness of the tank body and the seal cover are improved, and the oil tank has a more attractive appearance compared with oil tanks made in a welding mode.
Oil tank provided with cold machining seal cover
2015-05-20
Patent
Elektronische Ressource
Englisch
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