Air inlet and exhaust valve device of high-pressure plunger pump

The utility model relates to the technical field of high-pressure plunger pump pressurizing devices, and discloses an air inlet and outlet valve device of a high-pressure plunger pump, which comprises a valve body, a plunger sleeve mechanism is arranged on the inner wall of the valve body, a piston groove is arranged in the plunger sleeve mechanism, and a plunger mechanism is movably arranged at the position of the piston groove in the plunger sleeve mechanism. The bottom of the plunger mechanism is movably connected with the output end of the high-pressure plunger pump, the plunger sleeve mechanism comprises a plunger sleeve shell, a suction valve device is fixedly mounted at the bottom of the plunger sleeve shell, the valve body is arranged, the plunger sleeve mechanism in the valve body can collect and pressurize and eject water columns, the hitting strength of the water columns is improved, and when the water columns are connected to the spray head, the water columns can be sprayed out through the suction