Fixing mechanism, interface card assembly and electronic apparatus

1. An interface card assembly comprising:

a casing having a lateral wall and an accommodating channel, the accommodating channel being adapted to accommodate one of a first interface card and a second interface card that have different sizes; and

a fixing mechanism comprising:

a movable window slidably disposed on the lateral wall; and

an operation component having a fixed end and a free end opposite to each other, the fixed end being disposed on the movable window, and the free end being detachably engaged with the lateral wall to position the movable window on the casing;

wherein the movable window is slidably moved between a first region and a second region of the lateral wall via the operation component for respectively fixing one of the first interface card and the second interface card to the lateral wall of the casing;

wherein the lateral wall comprises a positioning slot, the movable window comprises an opening, the free end of the operation component passes through the opening and the positioning slot to position the movable window on the lateral wall.

2. The interface card assembly of claim 1 , wherein the movable window comprises a first contacting portion, the operation component comprises a second contacting portion disposed on position adjacent to the free end and adapted to detachably contact against the first contacting portion.

3. The interface card assembly of claim 2 , wherein the first contacting portion is a protruding structure, the second contacting portion is a sunken structure, and the protruding structure contacts against an inner wall of the sunken structure for constraint.

4. The interface card assembly of claim 1 , wherein the fixing mechanism further comprises a piercing pin, the movable window further comprises a sliding slot, the piercing pin passes through the sliding slot to set on the lateral wall, the sliding slot has a first slotted end and a second slotted end opposite to each other, one of the first slotted end and the second slotted end contacts against the piercing pin to stay the movable window in one of the first region and the second region of the lateral wall.

5. The interface card assembly of claim 1 , wherein the fixing mechanism further comprises a positioning component slidably disposed on the lateral wall and adjacent to the movable window, the positioning component is adapted to clip one of the first interface card and the second interface card via the movable window.

6. The interface card assembly of claim 5 , wherein the positioning component comprises a first engaging portion, the movable window comprises a second engaging portion disposed on position corresponding to the first engaging portion, the first engaging portion passes through a first concave on one of the first interface card and the second interface card to engage with the second engaging portion.

7. The interface card assembly of claim 6 , wherein the movable window comprises a wedging portion adapted to pass through a second concave on one of the first interface card and the second interface card.

8. The interface card assembly of claim 5 , wherein the fixing mechanism further comprises a buckling component movably disposed on the positioning component and adapted to pass through at least one buckling hole formed on the lateral wall.

9. The interface card assembly of claim 5 , wherein the positioning component comprises a main body and a connecting piece, the connecting piece passes through a slot of the main body to slidably dispose the positioning component on the lateral wall.

10. An electronic apparatus comprising:

a chassis; and

an interface card assembly disposed on the chassis, the interface card assembly comprising:

a casing having a lateral wall and an accommodating channel, the accommodating channel being adapted to accommodate one of a first interface card and a second interface card that have different sizes; and

a fixing mechanism comprising:

a movable window slidably disposed on the lateral wall; and

an operation component having a fixed end and a free end opposite to each other, the fixed end being disposed on the movable window, and the free end being detachably engaged with the lateral wall to position the movable window on the casing;

wherein the movable window is slidably moved between a first region and a second region of the lateral wall via the operation component for respectively fixing one of the first interface card and the second interface card to the lateral wall of the casing;

wherein the lateral wall comprises a positioning slot, the movable window comprises an opening, the free end of the operation component passes through the opening and the positioning slot to position the movable window on the lateral wall.

11. The electronic apparatus of claim 10 , wherein the movable window comprises a first contacting portion, the operation component comprises a second contacting portion disposed on position adjacent to the free end and adapted to detachably contact against the first contacting portion.

12. The electronic apparatus of claim 11 , wherein the first contacting portion of the movable window is a protruding structure, the second contacting portion of the operation component is a sunken structure, and the protruding structure contacts against an inner wall of the sunken structure for constraint.

13. The electronic apparatus of claim 10 , wherein the fixing mechanism further comprises a piercing pin, the movable window further comprises a sliding slot, the piercing pin passes through the sliding slot to set on the lateral wall, the sliding slot has a first slotted end and a second slotted end opposite to each other, one of the first slotted end and the second slotted end contacts against the piercing pin to stay the movable window in one of the first region and the second region of the lateral wall.

14. The electronic apparatus of claim 10 , wherein the fixing mechanism further comprises a positioning component slidably disposed on the lateral wall and adjacent to the movable window, the positioning component is adapted to clip one of the first interface card and the second interface card via the movable window.

15. The electronic apparatus of claim 14 , wherein the positioning component comprises a first engaging portion, the movable window comprises a second engaging portion disposed on position corresponding to the first engaging portion, the first engaging portion passes through a first concave on one of the first interface card and the second interface card to engage with the second engaging portion.

16. The electronic apparatus of claim 15 , wherein the movable window comprises a wedging portion adapted to pass through a second concave on one of the first interface card and the second interface card.

17. The electronic apparatus of claim 14 , wherein the fixing mechanism further comprises a buckling component movably disposed on the positioning component and adapted to pass through at least one buckling hole formed on the lateral wall.

18. The electronic apparatus of claim 14 , wherein the positioning component comprises a main body and a connecting piece, the connecting piece passes through a slot of the main body to slidably dispose the positioning component on the lateral wall.

19. A fixing mechanism comprising:

a movable window slidably disposed on a casing; and

an operation component having a fixed end and a free end opposite to each other, the fixed end being disposed on the movable window, and the free end being detachably engaged with the casing to position the movable window;

wherein the movable window is slidably moved between a first region and a second region of the casing via the operation component for respectively fixing interface cards with different sizes;

wherein the casing comprises a positioning slot, the movable window comprises an opening, the free end of the operation component passes through the opening and the positioning slot to position the movable window on the casing.