Patent attributes
A plug-in pump installation structure of a cooling distribution unit is disclosed. A pump seat is disposed in a machine case and has a fixed joint. A plug-in pump has a pump main body and a moveable joint. The plug-in pump is plugged or removed relative to the pump seat through the moveable joint and the fixed joint being connected or released. One distal end of each rotary arm of a handgrip has a latching hook. The rotary arms are pivotally connected at opposite sides of the pump main body. When the handgrip is folded on the machine case, the latching hook abuts against a protrusion disposed on a block piece of the machine case, when the handgrip is rotated to be away from the machine case, the latching hooks of the rotary arm is released from the abutted protrusion.