drill chuck
一种钻夹头、夹爪的技术,应用在机械加工用刀具的夹具领域,能够解决易过大破坏刀具、钻夹头不方便打开等问题,达到避免费劲甚至打不开的效果
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[0026] Such as figure 1 As shown, the present invention mainly includes a front body 1, a rear body 8, a front cover 10, a rear cover 9, jaws 5, and a driven gear 3. The rear body 8 is built in the front body 1 and can only rotate laterally relative to the front body 1 . The front body 1 is provided with a jaw hole 15 , and the jaw 5 is located in the jaw hole 15 . The driven gear 3 is provided with an internal thread, which cooperates with the outer peripheral thread of the jaw 5. The lower end of the rear body 8 is provided with a driving gear 19, and the driving gear 19 cooperates with the driven gear 3. When the rear body 8 rotates , the driven gear 3 also rotates, and the jaw 5 moves up and down driven by the gear 3 .
[0027] Such as Figure 2 to Figure 4 As shown, a front groove 16 and a rear groove 17 are provided at the center of the rear end of the front body 1 , and when the rear body 8 is inserted into the front body 1 , the rear body 8 just fits with these two ...
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