Handheld power tool with quick working element clamping device

Handheld power tool with quick working element clamping device

  • CN 102,233,537 A
  • Filed: 04/27/2010
  • Published: 11/09/2011
  • Est. Priority Date: 04/27/2010
  • Status: Active Application
First Claim
Patent Images

1. hand-held power tool with operation element fast fixture comprises:

  • A work arbor (11) that is used to drive operation element (12), described work arbor (11) have a work end;

    A securing member (13) that is used for described operation element (12) is fastened on described work end, described securing member (13) comprise a clamp shaft (32) that can insert in the described work arbor (11);

    A moving assembly, this moving assembly comprises a thrust component (6), it is used to make securing member (13) to move between off-position and clamped position, in this off-position, described securing member (13) can be pulled down from described work arbor (11), and in clamped position, described securing member (13) leans against the work end of described work arbor (11) by clamping force folder;

    A latch assembly, this latch assembly is contained in the described work arbor (11), and be positioned between described thrust component (6) and the described securing member (13), this latch assembly is used at described clamped position locking described clamp shaft (32), make this clamp shaft (32) not to be removed, unclamp described clamp shaft (32) with being used in described off-position, make this clamp shaft (32) from described work arbor (11), to take out;

    It is characterized in that, described latch assembly comprises clamping component (15), described clamping component (15) is provided with second toothed portion (41), described clamp shaft (32) is gone up first toothed portion (33) that is provided with second toothed portion (41) coupling, described second toothed portion (41) and first toothed portion (33) all have the tooth that extends along circumferentially, described tooth is in the segmentation setting that makes progress in week, make in described clamped position, second toothed portion (41) and first toothed portion (33) engagement, in described off-position, after relative first toothed portion of described second toothed portion (41) (33) rotation one angle with described first toothed portion (33) drop out of gear.

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