Keyboard assembly and electronic device

An electronic device, comprising a display screen and a keyboard assembly, wherein the display screen is rotatably connected to the keyboard body through a rotating shaft mechanism, and wherein the keyboard assembly comprises a keyboard body and a drive mechanism, and the keyboard body comprises keys and a frame assembly, wherein

• the keys are accommodated in key slots on the keyboard body and arranged in a plurality of rows in parallel, each row of keys comprise a plurality of keys;
• and
• the frame assembly comprises a first frame and a plurality of crossbars, each row of keys are disposed for at least one of the plurality of crossbars;
• wherein the drive mechanism drives at least part of the first frame to move in an arrangement direction of the plurality of rows of keys;
• each crossbar moves, along with movement of the at least part of the first frame in the arrangement direction of the plurality of rows of keys, in an arrangement direction of each row of keys;
• and each row of keys move, along with movement of each crossbar, in a direction toward the key slots or in a direction of exposing the key slots;
• wherein the first frame comprises:
• a first outer frame connected to the drive mechanism, and
• a first inner frame located on a side that is of the first outer frame and that faces the keys;
• wherein a first connecting rod assembly is disposed between the first inner frame and the first outer frame;
• the first connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the first inner frame, the other end of the first connecting rod is hinged to the first outer frame, one end of the second connecting rod is hinged to a rod body of the first connecting rod, and the other end of the second connecting rod is hinged to a fixed mechanical part on the keyboard body;
• and
• wherein the first outer frame moves, along with the drive mechanism, in the arrangement direction of the plurality of rows of keys, to drive the first inner frame to move in a direction close to or away from the first outer frame;
• and one end of each crossbar is fixedly connected to the first inner frame, and each crossbar moves, along with movement of the first inner frame, in the arrangement direction of each row of keys.

An electronic device, comprising a host and a keyboard assembly, wherein the host is rotatably connected to the keyboard assembly through a rotating shaft mechanism, and wherein the keyboard assembly comprises a keyboard body and a drive mechanism, and the keyboard body comprises keys and a frame assembly, wherein

• the keys are accommodated in key slots on the keyboard body and arranged in a plurality of rows in parallel, each row of keys comprise a plurality of keys;
• and
• the frame assembly comprises a first frame and a plurality of crossbars, and each row of keys are disposed for at least one of the plurality of crossbars;
• wherein the drive mechanism drives at least part of the first frame to move in an arrangement direction of the plurality of rows of keys;
• each crossbar moves, along with movement of the at least part of the first frame in the arrangement direction of the plurality of rows of keys, in an arrangement direction of each row of keys;
• and each row of keys move, along with movement of each crossbar, in a direction toward the key slots or in a direction of exposing the key slots;
• and
• wherein the electronic device further comprises a first support plate, the host is detachably connected to the first support plate, and the first support plate is rotatably connected to the keyboard body through the rotating shaft mechanism;
• wherein the first frame comprises:
• a first outer frame connected to the drive mechanism, and
• a first inner frame located on a side that is of the first outer frame and that faces the keys;
• wherein a first connecting rod assembly is disposed between the first inner frame and the first outer frame;
• the first connecting rod assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the first inner frame, the other end of the first connecting rod is hinged to the first outer frame, one end of the second connecting rod is hinged to a rod body of the first connecting rod, and the other end of the second connecting rod is hinged to a fixed mechanical part on the keyboard body;
• and
• wherein the first outer frame moves, along with the drive mechanism, in the arrangement direction of the plurality of rows of keys, to drive the first inner frame to move in a direction close to or away from the first outer frame;
• and one end of each crossbar is fixedly connected to the first inner frame, and each crossbar moves, along with movement of the first inner frame, in the arrangement direction of each row of keys.