Heat dissipating device and fixing bracket thereof

Abstract

A heat dissipating device includes a heat sink, a fan, and a fixing bracket. The fixing bracket includes a first fixing element and a second fixing element mounted to the first fixing element. An airflow opening is defined in each of the first and second fixing elements. A receiving space communicating with the airflow openings is bounded by the first and second fixing elements, to receive the heat sink. The first and second fixing elements are used to selectively mount the fan.

1 . A heat dissipating device comprising:
 a heat sink;   a fan; and   a fixing bracket comprising:
 a first fixing element defining a first airflow opening corresponding to the fan; and 
 at least one second fixing element mounted to the first fixing element, and defining a second airflow opening corresponding to the fan; 
 wherein the at least one second fixing element and the first fixing element bound a receiving space to receive the heat sink, wherein the receiving space communicates with the first airflow opening and the second airflow opening of each of the at least one second fixing element, wherein the fan is selectively mounted to one of the first fixing element and the at least one second fixing element. 
   
     
     
         2 . The heat dissipating device of  claim 1 , wherein the first fixing element comprises a first base and two side panels mounted on the first base, a first accommodating space is bounded by the first base and the panels for receiving the fan, wherein a locking portion projects inward from an upper portion of each panel to lock the fan, the first airflow opening is defined in the first base, each second fixing element is mounted on one side of the first base. 
     
     
         3 . The heat dissipating device of  claim 2 , wherein at least one bar extend downwards from a bottom of the first base, a sliding slot is defined in each bar, to engage with a corresponding second fixing element. 
     
     
         4 . The heat dissipating device of  claim 3 , wherein each of the at least one second fixing element comprises a second base, the second airflow opening is defined in the second base, two opposite sliding paths are defined in opposite surfaces of an upper portion of the second base, to form a sliding portion between the sliding paths, to engage in the corresponding sliding slot of the first base. 
     
     
         5 . The heat dissipating device of  claim 4 , wherein a locking portion perpendicularly extends from a bottom of the second base to lock the heat sink, each second fixing element further comprises at least one latching element, each latching element comprises a fixing portion to fix the fan, and a locating portion perpendicularly extends from a first end of the fixing portion to locate the fan on the second base, wherein a latching block perpendicularly extends from a second end opposite to the first end of the fixing portion, away from the locating portion. 
     
     
         6 . A fixing bracket to fix a fan on a heat sink, the fixing bracket comprising:
 a first fixing element defining a first airflow opening corresponding to the fan; and   at least one second fixing element mounted to the first fixing element and defining a second airflow opening corresponding to the fan, wherein a receiving space is bounded by the first fixing element and the at least one second fixing element, communicating with the first and second airflow openings, to receive the heat sink;   wherein one of the first fixing element and the at least one second fixing element is operable to mount the fan.   
     
     
         7 . The fixing bracket of  claim 6 , wherein the first fixing element comprises a first base and two panels mounted on opposite ends of the first base, a first accommodating space is bounded by the first base and the panels for receiving the fan, a locking portion projects from an upper portion of each panel towards the other panel to lock the fan, the first airflow opening is defined in the first base. 
     
     
         8 . The fixing bracket of  claim 7 , wherein at least one bar extends downwards from the first base, a sliding slot is defined in each bar to slidably engage with the corresponding second fixing element. 
     
     
         9 . The fixing bracket of  claim 8 , wherein each of the at least one second fixing element comprises a second base, the second airflow opening is defined in the second base, wherein a sliding portion is formed on a top of the second base, to slidably engage in the corresponding sliding slot of the first base. 
     
     
         10 . The fixing bracket of  claim 9 , wherein a locking portion perpendicularly extends from a bottom of the second base to lock the heat sink, each second fixing element further comprises at least one latching element, each latching element comprises a fixing portion to fix the fan, and a locating portion perpendicularly extends from a first end of the fixing portion to locate the fan on the second base, a latching block perpendicularly extends from a second end opposite to the first end of the fixing portion, away from the locating portion.