Parallel hand vise

The invention discloses a parallel hand vise which comprises a first handle, a second handle, a first chuck, a second chuck, a first connecting rod, a second connecting rod, a first base plate, a second base plate, a spring seat, a first main shaft, a second main shaft, a first slave shaft, a second slave shaft, a third slave shaft, a fourth slave shaft, a first spring, a second spring and the like, wherein in use, two clamping hole surfaces can be always kept parallel; when a flat plate type object is clamped, the contact surface is a plane, the stress is uniform, the clamping is stable and reliable, and the damages to the clamped object are small; a cylindrical object can be clamped and cannot slide out; and a punching tool can be manufactured into a manual punching tool. 本发明公开了一种平行手钳，包括第一手柄、第二手柄、第一夹头、第二夹头、第一连杆、第二连杆、第一基板、第二基板、弹簧座、第一主轴、第二主轴、第一从轴、第二从轴、第三从轴、第四从轴、第一弹簧、第二弹簧等，使用时，两个夹口面始终都能保持平行，夹持平板类物体时，接触面为平面，受力均匀，夹持稳定可靠，对被夹物体损伤小；可以夹持圆柱物体，不会滑出；可制作为手动冲压类工具。