Suspension type sliding bracket having anti-dropping mechanism

1. A suspension type sliding bracket having anti-dropping mechanism, the sliding bracket comprising:

at least one first sliding rail ( 10 ) having a first U-shaped portion ( 13 ), a front-end portion of the first sliding rail ( 10 ) having a first locating plate ( 14 ) the first locating plate ( 14 ) having a first slot ( 17 ) with a closure portion ( 171 );

at least one first bracket ( 11 ) having a first L-shaped portion ( 15 ), a front-end portion of the first bracket ( 11 ) having a first locating post ( 16 );

at least one second sliding rail ( 20 ) having a second U-shaped portion ( 23 ), a device ( 30 ) adapted to be fixed between the first sliding rail ( 10 ) and the second sliding rail ( 20 );

at least one second bracket ( 22 ) having a second L-shaped portion ( 25 ), the first and second brackets ( 11 , 22 ) adapted to be fixed on a first level space of a rack ( 40 );

wherein the first U-shaped portion ( 13 ) is configured to slide on the first L-shaped portion ( 15 ), the second U-shaped portion ( 23 ) is configured to slide on the second L-shaped portion ( 25 ); when the device ( 30 ) is pulled out, the first locating post ( 16 ) enters the first slot ( 17 ) of the first locating plate ( 14 ), and the first locating post ( 16 ) blocks the closure portion ( 171 ) of the first slot ( 17 ), therefore the first sliding rail ( 10 ) forms a first anti-dropping position to stop sliding; and the first slot ( 17 ) is adapted to escape from the first locating post ( 16 ) when an extension portion ( 141 ) of the first locating plate ( 14 ) is pressed.

2. The suspension type sliding bracket having anti-dropping mechanism of claim 1 , wherein a front-end portion of the second sliding rail ( 20 ) having a second locating plate ( 24 ), a front-end portion of the second bracket ( 22 ) having a second locating post ( 26 ); when the device ( 30 ) is pulled out, the second locating post ( 26 ) enters a second slot ( 27 ) of the second locating plate ( 24 ), and the second locating post ( 26 ) blocks a closure portion ( 271 ) of the second slot ( 27 ), therefore the second sliding rail ( 20 ) stops sliding; and the second slot ( 27 ) is adapted to escape from the second locating post ( 26 ) when an extension portion ( 241 ) of the second locating plate ( 24 ) is pressed.

3. The suspension type sliding bracket having anti-dropping mechanism of claim 2 , wherein the closure portion ( 171 ) of the first slot ( 17 ) and the closure portion ( 271 ) of the second slot ( 27 ) further have a distance (D) in sliding direction (X), therefore the second sliding rail ( 20 ) forms a second anti-dropping position.

4. The suspension type sliding bracket having anti-dropping mechanism of claim 1 , wherein the position of the first U-shaped portion ( 13 ) is lower than a top surface ( 31 ) of the device ( 30 ), and the position of the second U-shaped portion ( 23 ) is lower than the top surface ( 31 ) of the device ( 30 ).

5. The suspension type sliding bracket having anti-dropping mechanism of claim 1 , wherein the first bracket ( 11 ) has a first master bracket ( 51 ) and a first extension bracket ( 61 ), a fixing portion ( 53 ) of the first master bracket ( 51 ) and a fixing portion ( 63 ) of the first extension bracket ( 61 ) is adapted to be fixed on the rack ( 40 ); the second bracket ( 22 ) has a second master bracket ( 52 ) and a second extension bracket ( 62 ), a fixing portion ( 54 ) of the second master bracket ( 52 ) and a fixing portion ( 64 ) of the second extension bracket ( 62 ) is adapted to be fixed on the rack ( 40 ).

6. The suspension type sliding bracket having anti-dropping mechanism of claim 5 , wherein each of the first and second master brackets ( 51 , 52 ) has at least one bending portion (b 1 ) and at least one bending portion (b 2 ), each of the bending portions (b 1 ) forms a rail space (s 1 ), each of the bending portions (b 2 ) forms another rail space (s 2 ); each of the first and second extension brackets ( 61 , 62 ) has at least one bending portion (b 3 ) and at least one bending portion (b 4 ), each of the bending portions (b 3 ) is adapted to be inserted into each of the rail spaces (s 1 ), each of the bending portions (b 4 ) is adapted to be inserted into each of the rail spaces (s 2 ).

7. The suspension type sliding bracket having anti-dropping mechanism of claim 5 , wherein a first support screw ( 71 ) is adapted to be screw fixed on the fixing portion ( 53 ) of the first master bracket ( 51 ), a screw head ( 72 ) of the first support screw ( 71 ) is adapted to pass through a fixing hole ( 47 ) of the rack ( 40 ), the fixing hole ( 47 ) is adapted to support a neck ( 73 ) of the first support screw ( 71 ); and at least one fixing screw ( 81 ) is adapted to pass through another fixing hole ( 48 ) of the rack ( 40 ), the fixing portion ( 53 ) of the first master bracket ( 51 ) uses the fixing screw ( 81 ) to fix on the rack ( 40 ).

8. The suspension type sliding bracket having anti-dropping mechanism of claim 5 , wherein a first support screw ( 71 ) is adapted to be screw fixed on the fixing portion ( 63 ) of the first extension bracket ( 61 ), the screw head ( 72 ) of the first support screw ( 71 ) is adapted to pass through a fixing hole ( 47 a ) of the rack ( 40 ), the fixing hole ( 47 a ) is adapted to support a neck ( 73 ) of the first support screw ( 71 ); and at least one fixing screw ( 81 ) is adapted to pass through another fixing hole ( 48 a ) of the rack ( 40 ), the fixing portion ( 63 ) of the first extension bracket ( 61 ) uses use the fixing screw ( 81 ) to fix on the rack ( 40 ).