Dual sealing device for high-pressure pipeline in automobile engine
An automobile engine, medium and high pressure technology, which is applied in the direction of mechanical equipment, pipes/pipe joints/fittings, flange connections, etc. It can solve problems such as leakage at the interface and affect the service life of the workpiece, so as to prevent leakage risks and strong self-adaptive ability , The effect of reducing the risk of leakage
Pending Publication Date: 2018-10-02
江苏腾驰科技有限公司
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The invention relates to a pipeline connector sealing device, in particular to a dual sealing device for a high-pressure pipeline in an automobile engine. The dual sealing device comprises an upset head type through-connection device, a double thread connector, a locking nut, a flange plate A and a flange plate B. The upset head type through-connection device and the double thread connector are ina dual sealing connection relation after the locking nut is tightened, preliminary seal is formed through a concave hole and an upset head, secondary seal is formed between a spherical step and a protrusion, and the self-adaptation capability between matched faces is high so that the oil pipe leakage risk can be reduced. The flange plate A and the flange plate B have a locking strengthening function on the locking nut, the sealing effect between the upset head type through-connection device and the double thread connector is guaranteed, and after long-time usage, the fine adjustment functioncan be achieved; and the leakage risks after long-time usage are prevented, the flange plate A and the flange plate B can be matched with rubber gaskets, and the sealing strengthening effect is achieved at the two ends of the locking nut.
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