Four-way reversing valve and outdoor unit of air conditioner system

Abstract

The embodiment of the invention provides a four-way reversing valve and an outdoor unit of an air conditioner system and relates to the field of air conditioners. Noise generated when a piston impacts an inner wall can be lowered, and the service life of the four-way reversing valve can be prolonged. According to the specific scheme, the four-way reversing valve comprises the piston arranged in an inner cavity, a condenser communicating pipe, an evaporator communicating pipe, an exhaust communicating pipe and an air sucking communicating pipe, wherein the condenser communicating pipe, the evaporator communicating pipe, the exhaust communicating pipe and the air sucking communicating pipe are arranged in a shell and communicate with the inner cavity. The four-way reversing valve comprises a first damping part. One end of the first damping part is fixed to the first end of the inner cavity, and the other end of the first damping part is suspended. When the piston slides continuously in the direction of the first end of the inner cavity, the piston compresses the suspended end of the first damping part. The four-way reversing valve and the outdoor unit of the air conditioner system are manufactured.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to a four-way reversing valve and an outdoor unit of an air conditioning system. Background technique [0002] The air conditioning system includes an indoor unit and an outdoor unit. The outdoor unit controls the flow direction of the refrigerant through a four-way reversing valve to realize switching of the working mode of the air conditioning system. [0003] combine figure 1 Shown is a four-way reversing valve in the prior art. The casing of the four-way reversing valve is provided with four communication pipes communicating with its inner cavity, which are respectively condenser communication pipes 101, which are used to communicate with the outdoor unit for heat exchange condenser (condenser), evaporator communication pipe 102, used to communicate with the heat exchanger (evaporator) of the indoor unit, exhaust communication pipe 103, used to communicate with the exhaust end o...

AI Technical Summary

Problems solved by technology

[0004] The piston slides in the inner cavity of the four-way reversing valve driven by the pressure difference between its two arms. If the pressure difference is small, the piston cannot be driven to slide left and right against the friction force. If the pressure difference between the two sides of the piston is large, it will often Noise will be generated because the piston hits the inner wall of the four-way reversing valve, and the service life of the four-way reversing valve will be shortened

Images