A kind of Self-locking drill-chuck

A kind of Self-locking drill-chuck

  • CN 207,534,028 U
  • Filed: 09/08/2017
  • Issued: 06/26/2018
  • Est. Priority Date: 09/08/2017
  • Status: Active Grant
First Claim
Patent Images

1. a kind of Self-locking drill-chuck, including rotary sleeve, drill body, nut, clamping jaw, self-locking structure, the self-locking structure includes toothAnd spring leaf, the tooth, which is on drill body or is in, to be fixed on the part on drill body, and the spring leaf has to be matched with toothLock end, it is characterised in that:

  • The Self-locking drill-chuck, which is provided with made of metal sheet, to be covered;

    The multilayered structure of the set with one, the rear part has the connection structure of position rotating set, in the company of position rotating setThe front of binding structure has the body that connect with the nut, the front of the body with limiting slot and with the spring leafThe structure of connection, the limiting slot limit rotational angle of the rotary sleeve relative to nut;

    The connection structure of the position rotating set includes the elastic cantilever on body (73) where being in and is on elastic cantileverRotary sleeve positioning position, the rotary sleeve have with it is described positioning position cooperation cam surface, make the drill chuck in self-lockingWhen state and unlocked state, the connection structure that the rotary sleeve can be covered with the position rotating connect and is in circumferencial directionThe state positioned, and can be when manual actuation rotary sleeve is relative to nut rotation, elastic cantilever can deform and take off rotary sleeveFrom the state positioned in circumferencial direction.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×