A handheld
assembly tool for interference press fitting of a small plug-in and a small socket comprises an installation support, a
cam, a pressing head, an adjustable supporting rod, a
handle, a pressing rod and a spring. The
cam is provided with a front end part and a
tail part, the front end part is hinged to the
cam connecting part, the
tail part is connected with a pressing rod, and the cam can rotate around a
hinge point; the upper end of the pressure head is in contact with the cam, and the lower end of the pressure head abuts against the small plug-in; the spring is assembled between the pressure head and the mounting support; the adjustable supporting rod is in threaded connection with the lower end of the mounting support; the
handle is fixed on the
handle connecting part; an anti-disengagement check ring is further arranged, a pair of L-shaped sliding grooves are formed in the anti-disengagement check ring, and a pair of clamping heads are arranged on the pressing head. The interference press-fitting device has the advantages that interference press-fitting can be accurately controlled under the condition that no external power exists, and the yield reaches 98%; 2, the weight of the tool is only 0.68 kg, the operation is convenient, and the
assembly efficiency is improved by 50%; 3, compatibility is good, the device is suitable for multi-model
assembly parts, and rapid switching of the assembly parts of different models can be completed within 60 seconds. And 4, the manufacturing cost is low.