Rack-and-pinion steering gear with low cost

Rack-and-pinion steering gear with low cost

  • CN 101,844,582 B
  • Filed: 03/29/2010
  • Issued: 03/11/2015
  • Est. Priority Date: 03/27/2009
  • Status: Active Grant
First Claim
Patent Images

1. a rack-and-pinion steering gear, have:

  • steering hardware housing (1), described steering hardware housing (1) is configured to tubulose, and described steering hardware housing (1) has housing axis (8), wherein in described steering hardware housing (1), tooth bar (3) along the longitudinal direction (4) can be arranged in bearing (10) movably, steering pinion (5), described steering pinion (5) can be arranged in driving gear housing (2) around rotation axis (6) rotatably, and described steering pinion (5) has the driving gear teeth portion engaged with the teeth portion of described tooth bar (3), wherein at least one bearing (10) is configured to eccentric plain bearing, described plain bearing can rotate relative to described steering hardware housing (1), make described tooth bar (3) can towards the direction feeding of described steering pinion (5),It is characterized in that, described steering hardware housing (1) and described driving gear housing (2) are made up of steel pipe and are welded to each other, and described steering hardware housing (1) has on the opposite of teeth portion engagement the press-in portion (7) be recessed to form towards described tooth bar (3) on the side away from described driving gear housing (2), described press-in portion (7) reaches near described tooth bar (3) or contacts described tooth bar (3).

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