Terminal block device and locking-type electrical connection plug thereof

A terminal block device, comprising:

• an electrical connection socket, comprising a locking part;
• and
• an electrical connection plug, comprising:
• a housing, comprising a guide groove divided into a first segment and a second segment, wherein one end of the first segment is away from one end of the second segment, and another end of the first segment is close to another end of the second segment;
• and
• a locking handle, comprising a pressing part, a latch body, and an operating section located between the pressing part and the latch body, wherein the operating section is disposed in the housing and comprises a first shaft and a second shaft, the first shaft is guided by the first segment, the second shaft is guided by the second segment, the locking handle further comprises an elastic component exerting an elastic force on the housing, the electrical connection plug and the electrical connection socket is detachably connected to each other, and the latch body of the locking handle is correspondingly engaged with the locking part;
• wherein upon pressing the pressing part, the first shaft and the second shaft slide in the first segment and the second segment, respectively, the locking handle swings in a direction relative to the housing, the latch body moves with the locking handle along the direction to be elevated relative to the housing to be disengaged from the locking part, and the elastic component stores an elastic energy through the locking handle swinging along the direction.