Externally-mounted holing-free mounting mechanism for curtain

An externally-mounted holing-free mounting mechanism for a curtain, comprising a cross beam exposed out of a window frame, a first mounting assembly and a second mounting assembly, wherein the first mounting assembly and the second mounting assembly are supported in the window frame in cooperation with the cross beam, and both the first mounting assembly and the second mounting assembly are in slide cooperation with the cross beam;

• the first mounting assembly and the second mounting assembly both are provided with a locking piece for locking up the first mounting assembly and the second mounting assembly onto the cross beam;
• at least one of the first mounting assembly and the second mounting assembly is provided with an adjustment assembly for holding the first mounting assembly and the second mounting assembly in the window frame;
• the first mounting assembly comprises a first slide seat and a first holding block, the first holding block is integrally connected with the first slide seat, and the first slide seat is in slide connection with the cross beam, the second mounting assembly comprises a second slide seat and a second holding block, the second slide seat is in slide connection with the cross beam, a mounting cabin is disposed on the second slide seat, and the second holding block is in movable cooperation with the mounting cabin through the adjustment assembly;
• and
• the adjustment assembly is mounted inside the mounting cabin;
• the adjustment assembly comprises a drive piece, a linkage piece, a locking block, a first elastic piece, and a second elastic piece;
• the second holding block is provided with a central shaft penetrating through the mounting cabin;
• the first elastic piece, the linkage piece and the second elastic piece are sequentially sleeved on the central shaft;
• the first elastic piece is close to the second holding block;
• the drive piece and the linkage piece are vertically crossed and linked cooperatively;
• at least one end of the drive piece is in communication with outside of the mounting cabin;
• the locking block is in thread-sleeving cooperation with the linkage piece;
• and an end of the central shaft is connected with a screw and a washer.