A compact redundant sealing structure
A sealing structure and compact technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems such as the inability to implement the sealing redundancy design method, the difficulty in obtaining satisfactory sealing effect, and the difficulty in sealing redundancy design. Oil seepage phenomenon, compact structure, simple structure effect
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[0016] Such as figure 2 As shown, it is the first embodiment of the present invention, including the first housing 1, the second housing 2, the oil pin 3, the first sealing ring 4, the second sealing ring 6, the third sealing ring 8, the first Back-up ring 5 and second back-up ring 7.
[0017] There are oil passage holes on the first housing 1 and the second housing 2. In order to realize redundant sealing, one end of the first housing 1 and the second housing 2 is respectively provided with an axial angle consistent with the oil passage hole. The first annular groove and the second annular groove, the oil passage pin 3 is installed between the first casing 1 and the oil passage hole of the second casing 2, and the two ends of the oil passage pin 3 are connected with the first annular groove and the second annular groove respectively. The grooves match, and there is a through hole in the oil pin 3; the two ends of the through hole of the oil pin 3 are as consistent as possib...
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