Armrest frame capable of being collapsed conveniently

An armrest frame capable of being collapsed conveniently, comprising:

• an armrest frame set, scissor sets, and a locking unit, wherein
• the armrest frame set comprises two parallel and vertically provided armrest frames;
• the scissor sets are provided between the armrest frames, the scissor sets drive the armrest frames to move close to or away from each other, the scissor sets each comprises crisscross hinged scissor arms, and two ends of each of the scissor arms are respectively hinged to the corresponding armrest frames;
• the locking unit is provided at a hinged position for the armrest frame and the scissor arm, and the locking unit locks the expanded armrest frame set;
• wherein the scissor arm comprises the first scissor arm with the hinged central position and two second scissor arms, and the second scissor arms are symmetrically provided at two sides of the first scissor arm;
• and
• an adjusting groove is formed at a position of one end of each of the first scissor arm and the second scissor arm hinged to the armrest frame, and the locking unit is provided at the adjusting groove of the second scissor arm.

An armrest frame capable of being collapsed conveniently, comprising:

• an armrest frame set, scissor sets, and a locking unit, wherein
• the armrest frame set comprises two parallel and vertically provided armrest frames;
• the scissor sets are provided between the armrest frames, the scissor sets drive the armrest frames to move close to or away from each other, the scissor sets each comprises crisscross hinged scissor arms, and two ends of each of the scissor arms are respectively hinged to the corresponding armrest frames;
• the locking unit is provided at a hinged position for the armrest frame and the scissor arm, and the locking unit locks the expanded armrest frame set;
• wherein the scissor arm comprises the first scissor arm with the hinged central position and two second scissor arms, and the second scissor arms are symmetrically provided at two sides of the first scissor arm;
• the locking unit comprises a clamping jaw and a locating post;
• the clamping jaw is swingably provided on the scissor arm, and a spring member for driving the clamping jaw to reset is provided on the clamping jaw;
• and
• the locating post is provided on the armrest frame, and after the locating post and the clamping jaw are located cooperatively, the armrest frame is fixed.