| 摘要 |
The present invention provides a quick change coupler. It comprises a mainbody, a rear end of the mainbody being equipped with a coupling arrangement cooperating with a driving mechanism, a front end of the mainbody being equipped with a tool coupling shaft cavity, and it is also equipped with a tool locking mechanism. The coupling arrangement can be a coupling shaft integrated with or threaded to joint the mainbody, and the front end of the mainbody is equipped with protruding keys or a groove. The coupler is capable of coupling with drill chucks or tools of different types, and has the advantages of convenient mounting and dismounting, simple and reasonable structure, easy manufacturing, and low cost.
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