Rapid dismounting and mounting structure of reciprocating saw tool rest

The utility model relates to a reciprocating saw knife rest quick disassembly and assembly structure which comprises a knife rest and a knife rest fixing seat, the top of the knife rest fixing seat is provided with an insertion clamping groove, the bottom of the knife rest fixing seat is provided with a bending part, and the bending part is provided with a hollow limiting clamping groove. A connecting hole is formed in the tool rest, a limiting plate is arranged at the bottom of the tool rest, the tool rest is connected with the insertion clamping groove through a reset push button lock pin assembly on the connecting hole, and the reset push button lock pin assembly comprises a push button lock pin installed in the connecting hole of the tool rest, torsional springs arranged on the push button lock pin on the two sides of the tool rest and an elastic connecting part connected between the two torsional springs. When the quick-assembly structure is used, the push button lock pins on two sides of the knife rest