WRENCH WITH TRANSLATIONAL WRENCH JAW

摘要

The present invention provides a wrench with translational wrench jaw comprising a first wrench jaw, a first handle and a connection portion, the connecting portion being arranged with a long hole, the long hole being provided with a first flank and a second flank which are parallel to each other, and the first flank being arranged with teeth; a second handle, connected with the connecting portion via a claw arranged in the long hole, the first end of the second handle being arranged with a cam; a second wrench jaw, connected with the connecting portion in a sliding manner, the second wrench jaw being arranged with a recess to accommodate the cam; a first connecting rod, connected with the first handle, a first end of the first connecting rod being arranged with an elastic component; a second connecting rod, connected with the second handle, a first end of the second connecting rod being arranged with an elastic component, the second end of the first connecting rod being connected with the second end of the second connecting rod. The wrench with translational wrench jaw provided by the present invention is suitable for gripping various workpieces; adopting two-stage transmission can provide greater gripping force, being more efficient and avoiding structural damage, thus prolonging the service life; By adopting locking mechanism can release operator's hands and be more convenient.

主权项

1. A wrench with translational wrench jaw characterized by comprising:
a first wrench jaw, a first handle and a connecting portion connecting the first wrench jaw and the first handle, the connecting portion being arranged with a long hole, the long hole being provided with a first flank and a second flank which are parallel to each other, and the first flank being arranged with teeth; a second handle, connected with the connecting portion via a claw arranged in the long hole, the second handle being connected with the claw via a first pin pivot, the first end of the second handle being arranged with a cam; a second wrench jaw, connected with the connecting portion in a sliding manner, the second wrench jaw being arranged with a recess to accommodate the cam; a first connecting rod, connected with the first handle via a second pin pivot, a first end of the first connecting rod being arranged with a first elastic component which is used for the restoration of the first connecting rod; a second connecting rod, connected with the second handle via a third pin pivot, a first end of the second connecting rod being arranged with a second elastic component which is used for the restoration of the second connecting rod, the second end of the first connecting rod being connected with a second end of the second connecting rod via a fourth pin pivot; wherein when a workpiece is placed between the first wrench jaw and the second wrench jaw, applying forces in opposite directions respectively to the first handle and the second handle makes the first handle and the second handle move toward each other; the second handle rotates around the first pin pivot, making the second wrench jaw translate toward the first wrench jaw until the translation of the second wrench jaw is limited by the workpiece; the second connecting rod drives the second handle to move toward the second wrench jaw in order that the claw engages with the teeth on the first flank; keeping on applying the forces in the opposite directions, the second handle rotates around the first pin pivot, produces gripping forces greater than the forces in the opposite directions, and transmits the gripping forces to the gripping face of the first wrench jaw and the gripping face of the second wrench jaw.