Device housing of mobile POS terminal

A device housing of a mobile point-of-sale (POS) terminal, comprising:

• a base (10) provided with a first accommodation member (101) having a first opening and a second accommodation member (102) having a second opening, wherein a left side and a right side of the first accommodation member (101) respectively extend to form a first side protrusion (10F1) with a first through hole (10H1) and a second side protrusion (10F2) with a second through hole (10H2), a bottom surface of the first side protrusion (10F1) is provided with a first block (10B1) adjacent to the first through hole (10H1), and a bottom surface of the second side protrusion (10F2) is provided with a second block (10B2) adjacent to the second through hole (10H2);
• a sliding cover (11) assembled to the second accommodation member (102) to cover the second opening;
• and
• a liftable cover assembly (12) pivotally assembled to the first accommodation member (101) to cover the first opening, and comprising:
• a first cover member (121), pivotally assembled to the first accommodation member (101), and having a top opening (1210) and an edge notch (121N);
• a mounting plate (122) assembled to an inner surface of the first cover member (121), wherein the mounting plate (122) has a left snap-fit member (12F1) and a right snap-fit member (12F2) extending downward, the left snap-fit member (12F1) passes through the first through hole (10H1) and defaultedly snap-fits the first block (10B1), and the right snap-fit member (12F2) passes through the second through hole (10H2) and defaultedly snap-fits with the second block (10B2);
• and
• a second cover member (123), pivotally assembled to the mounting plate (122) and located within the top opening (1210);
• wherein when the liftable cover assembly (12) covers the first opening, the edge notch (121N) and the base (10) jointly enclose to form a paper output port.