| 摘要 |
1. Rack and pinion hydraulically assisted steering for automative vehicles, comprising a rack (8) and an associated actuating pinion, a hydraulic jack (10) arranged as an extension of the rack (8) and comprising a part (13) fixed to the structure (12) of the vehicle and a sliding part (10) connected to one end of the rack (8), a valve (18) for supplying the jack with pressurised liquid and at least one steering rod (16) connected to the rack (8), the valve (8) being interposed between the rack (8) and the jack (10) and comprising a slide member (20) connected to the end of the rack (8) and a body (19) in which the slide member (20) is slidingly mounted, disposed as an extension of the rack (8) and fixedly connected to one side with the sliding portion (10) of the jack and to the other side with a bearing (34) in which rack (8) is slidingly mounted by a portion close to its end, with little travel, limited by at least one abutment (36), characterised in that the slide member (20) is connected to the rack (8) via a threaded rod (30) which can be regulated from outside, in the axial direction of the rack (8), and a resilient tie (32). |
