Quick clamping drill chuck
A drill chuck, fast technology, applied in the direction of the chuck, etc., can solve the problems of low work efficiency and low work efficiency of the drill chuck, and achieve the effect of simple structure, reliable clamping state, and reduced friction
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[0028] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0029] Such as figure 1 and figure 2 Shown, the present invention comprises drill body 1, jaw 2, overcoat 8, steel ball 3, jump ring 7 and back cover 6, and the number of jaw 2 is 3, as image 3 and Figure 4 As shown, the jaws 2 are respectively arranged in the three drill body grooves 1-1 evenly distributed along the circumferential direction on the drill body 1, and the rear end of the drill body 1 is fixed with the rear cover 6 through the circlip 7 to realize the drill body 1 axis. Direction fixed.
[0030] The outer circle of the front end of the drill body 1 is provided with a drill body thread 1-2, and the inside of the jacket 8 has a thread 8-3 that matches the drill body thread 1-2, and the jacket 8 is threaded with the drill body thread 1-2 through the thread 8-3 Connection, the outer sleeve 8 can rotate and drive the jaws 2 thro...
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