Low-pressure chamber rotary compressor and air conditioner

A rotary compressor with a low-pressure chamber, comprising:

• a housing, wherein a low-pressure chamber filled with a low-pressure refrigerant is arranged in the housing, and the housing is provided with a low-pressure air inlet component for introducing the low-pressure refrigerant and a high-pressure air exhaust component for discharging a high-pressure refrigerant;
• a motor assembly, wherein the motor assembly is arranged in the low-pressure chamber, and the motor assembly comprises a stator, a rotor and upper and lower balance blocks;
• a pump assembly, wherein the pump assembly is arranged in the low-pressure chamber, the pump assembly comprises a crankshaft, a crankshaft shell, a cylinder, a piston, a sliding vane and a bearing;
• the piston, the sliding vane, the cylinder, the bearing and the crankshaft shell cooperatively form a compression chamber, the cylinder is provided with a sliding vane groove, the sliding vane is arranged in the sliding vane groove, and the sliding vane cooperates with the piston to divide the compression chamber into a low-pressure area and a high-pressure area;
• and
• wherein the crankshaft shell is provided with a low-pressure air inlet port, the pump assembly is provided with a cylinder air intake hole and a high-pressure air exhaust port, a position of the low-pressure air inlet port corresponds to a position of the low-pressure air inlet component, and the high-pressure air exhaust port is connected with the high-pressure air exhaust component;
• wherein, the crankshaft and the piston are arranged in the cylinder, and the cylinder, the bearing and the sliding vane are arranged in the low-pressure chamber, wherein one side of the crankshaft matched with the crankshaft shell is provided with a plurality of oil slinger grooves, and the plurality of oil slinger grooves are uniformly distributed on the crankshaft in a radial manner, an inner end face of the piston is provided with an end face chamfer, the crankshaft shell is provided with an oil inlet groove, the sliding vane is provided with an oil storage groove, and one side of the sliding vane matched with the crankshaft shell is provided with an oil receiving chamfer.