Self-rubbing composite type hub oil seal assembly for axle of walking machine

Self-rubbing composite type hub oil seal assembly for axle of walking machine

CN
  • CN 101,614,280 B
  • Filed: 07/23/2009
  • Issued: 12/07/2011
  • Est. Priority Date: 07/23/2009
  • Status: Active Grant
First Claim
Patent Images

1. running mechanism self-rubbing composite type hub oil seal assembly for axle, it is characterized in that:

  • mainly comprise outer connecting ring (1), oil seal washer (2), the axle sleeve that rubs (4), outer connecting ring (1) is arranged on the outside, and the axle sleeve that rubs (4) is arranged on the inboard, and the both is rotary structure;

    Connecting ring (1) and to being provided with at least one oil seal washer (2) between the axle sleeve that rubs (4) outside;

    The external cylindrical surface of oil seal washer (2) contacts with the inner cylindrical surface of outer connecting ring (1) constituting the static seal face, and the ring packing lip of oil seal washer (2) contacts with external cylindrical surface to the axle sleeve that rubs (4) with the formation sealing surface that rotatablely moves;

    On inner cylindrical surface, be provided with the axle sleeve static seal structure (5) that rubs to the axle sleeve that rubs (4);

    On the external cylindrical surface of connecting ring (1), be provided with connecting ring static seal structure (6) outside;

    Connecting ring (1) and between the axle sleeve that rubs (4) outside, be provided with the constituent elements fluid suction fitting (8) of spiral chute dynamic pressure pump, on the axial plane of fluid suction fitting (8) or radial ringed, be provided with some forwards, oppositely arranged alternate radially or planar spiral groove (81).

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