spring pin

The utility model consists of a slide knife, a slide knife bracket provided with an opening groove and a limit pin, and a spring storehouse provided with a semielliptic spring and a spring bracket.

是由滑刀、具有开口槽及限位销钉的滑刀架、和含有弓形弹簧及弹簧架的弹簧仓组成。

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The developed drill pipe valve used in gas drilling is made up of nipple, cushion, sealing parts, valve seat, pin bearing, cylindrical torsion spring and valve plate.

气体钻井过程中，常规的配套工具无法满足工艺要求，为此而研制的气体钻井用钻杆阀由钻杆阀短节、缓冲垫、密封部件、阀座、销轴、圆柱扭簧和阀板等组成。

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Weld-on hinge for RH and LH applications. Spring-loaded pivot pin for easy door removal.

焊接门铰,左右门均适用. 弹簧加载旋转轴心,便于门拆卸.

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The utility model is composed of a land wheel, a driving pin, a driving crank arm, a driving inserted link, a release spring, and a driving ratchet.

它由地轮、传动销、传动拐臂、传动插杆、回位弹簧和传动棘轮组成。

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The pipe tongs is mainly composed of a fixed jaw, a movable jaw, a racket wheel, a spring, a pawl, a movable pin and a connecting pin;

主要由固定钳口、活动钳口、棘轮、弹簧、棘爪、活动销和连接销等组成。

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