A housing structure, particularly for an assist shaft 4 for a worm wheel 7 of a power steering motor, includes first and second housings 8, 9 each comprising bolt fastening portions 27, 28 with mating bolt facing surfaces 29, 30 and each supporting a shaft 4 by first and second bearings 13, 17. First housing 8 has a fitting inner tubular portion 21 with an inner tubular end surface 23 and the second housing has a fitting outer tubular portion 22 with an outer tubular end surface (24, Figure 3). A first gap C1 is provided between inner tubular end surface 23 and an inner tubular opposite surface (26, Figure 3), and a second gap C2 is provided between the outer tubular end surface and an outer tubular opposite surface (25, Figure 3). A thrust load on shaft 4 causes fitting tubular portions 21, 22 to separate in an axial direction preventing contact between each tubular end surface and its respective tubular opposite surface.
Housing structure and power steering apparatus
2016-09-14
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |