Guide frame for four-way reversing valve

A four-way reversing valve, comprising a valve body, a piston assembly, a sliding block assembly and a guide frame, wherein the sliding block assembly and the guide frame are disposed inside the valve body, the guide frame is configured for mounting the sliding block assembly and guiding the sliding block assembly to move along the guide frame,

• wherein the guide frame comprises a plate-shaped frame body configured for disposing a sliding block assembly of the four-way reversing valve, both ends of the frame body are provided with a connecting portion configured for connecting a piston assembly of the four-way reversing valve, respectively, the connecting portion comprises a first bending member and a second bending member, and directions of bending of the first bending member and of the second bending member are opposite and located in a plane perpendicular to the frame body,
• wherein the connecting portion is provided with a reinforcing member comprising a first reinforcing plate and a second reinforcing plate disposed separately,
• the first reinforcing plate is connected to a bending part of an inner side of the first bending member by welding, and at least three welding spots are defined between the first reinforcing plate and the first bending member, and the second reinforcing plate is connected to a bending part of an inner side of the second bending member by welding, and at least three welding spots are defined between the second reinforcing plate and the second bending member and,
• a plurality of welding locating holes are defined between the first reinforcing plate and the first bending member and the second reinforcing plate and the second bending member, the first reinforcing plate is connected to the first bending member by welding at the plurality of welding locating holes, and the second reinforcing plate is connected to the second bending member by welding at the plurality of welding locating holes.