Rack steering gear

Rack steering gear

  • CN 102,458,960 B
  • Filed: 05/03/2010
  • Issued: 05/31/2017
  • Est. Priority Date: 05/04/2009
  • Status: Active Grant
First Claim
Patent Images

1. rack steering gear, it includes:

  • Tooth bar (20) with longitudinal axis (X);

    Tooth bar housing (32), tooth bar (20) is axially movably led between two terminal backstop described in the tooth bar housingDraw;

    AndTerminal backstop-damper assembly (30), the terminal backstop-damper assembly includes multiple baffle rings (34,36) and at least one bulletThe compression body (38) of property, whereinThe compression body (38) is around the tooth bar (20) and its spring/damping section has an axial direction long under unloaded conditionDegree (x1), whereinThere is at least one of the multiple baffle ring (34,36) baffle ring relatively described compression body (38) diametrically to occupy internal, circular axially directed guide projection (40), the guide protrusions have an axial length (x2);

    It is characterized in that:

    Axial length (the x of the guide protrusions (40)2) than the spring/damping section of the compression body (38)The axial length (x1) small, andAt least one is configured with the compression body (38) at least one of the multiple baffle ring (34,36) baffle ringAxial restraint projection (54,58),Retainer ring of the first baffle ring (36) as the terminal backstop-damper assembly (30) in the multiple baffle ring, and instituteThe second baffle ring (34) in multiple baffle rings is stated at least in the terminal backstop of axial direction in end face and the tooth bar (20) or oneMiddleware (52) is in contact, the spring/damping section of the compression body (38) be provided in the first and second baffle rings (34,36) itBetween, and the middleware (52) is arranged between tooth bar (20) and balljoint (28).

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