Heat dissipation device with fixing member for heat pipe thereof

Abstract

An exemplary heat dissipation device includes a heat absorbing base, a heat pipe thermally connected to the heat absorbing base, and a fixing member including a main body abutting to the heat absorbing base and two clamps extending from the main body, the heat pipe is sandwiched between the main body and the heat absorbing base, each of the clamps includes an arm portion and a curved portion extending from the arm portion toward the heat absorbing base, the arm portions of the two clamps clamp two opposite lateral sides of the heat absorbing base, the curved portions of the two clamps elastically clamp edges of the heat absorbing base away from the main body.

What is claimed is: 
     
         1 . A heat dissipation device comprising:
 a heat absorbing base;   a heat pipe thermally connected to the heat absorbing base; and   a fixing member comprising a main body abutting the heat absorbing base and two clamps extending from the main body, the heat pipe being sandwiched between the main body and the heat absorbing base, each of the clamps comprising an arm portion and a curved portion extending from the arm portion generally toward the heat absorbing base, the arm portions of the clamps clamping two opposite lateral sides of the heat absorbing base, the curved portions of the clamps elastically clamping edges of the heat absorbing base away from the main body.   
     
     
         2 . The heat dissipation device according to  claim 1 , wherein the heat absorbing base comprises an approximately semicylindrical first groove, and the heat pipe comprises an evaporating section partly received in the first groove. 
     
     
         3 . The heat dissipation device according to  claim 2 , wherein the heat absorbing base further comprises a first surface and a second surface at opposite sides thereof, the first groove is provided in the second surface, the first surface is adapted to be attached to a heat generating electronic component, and the second surface is adapted to be attached to the main body. 
     
     
         4 . The heat dissipation device according to  claim 3 , wherein the main body defines an approximately semicylindrical second groove corresponding to the first groove, and the first groove and the second groove cooperatively receive the evaporating section of the heat pipe therein. 
     
     
         5 . The heat dissipation device according to  claim 2 , wherein the heat pipe further comprises a pair of condensing sections parallel to each other, and two connecting sections respectively interconnecting the evaporating section and the pair of condensing sections. 
     
     
         6 . The heat dissipation device according to  claim 4 , wherein the two connecting sections are both curved, and the curvature of the first connecting section is greater than that of the second connecting section. 
     
     
         7 . The heat dissipation device according to  claim 4 , wherein the evaporating section and one of the condensing sections form an acute angle therebetween, and the evaporating section and the other one of the condensing sections form an obtuse angle therebetween. 
     
     
         8 . The heat dissipation device according to  claim 1 , further comprising a heat sink, wherein the heat sink comprises a plurality of fins parallel to each other, and every two neighboring fins are spaced apart from each other with a passage defined therebetween. 
     
     
         9 . The heat dissipation device according to  claim 1 , wherein each of the clamps further comprises a securing portion extending from the curved portion in a direction generally away from the heat absorbing base. 
     
     
         10 . The heat dissipation device according to  claim 9 , wherein the securing portion is substantially perpendicular to the arm portion of the clamp. 
     
     
         11 . A heat dissipation device comprising:
 a heat absorbing base;   a heat pipe thermally connected to the heat absorbing base; and   a fixing member comprising:
 a main body abutting the heat absorbing base; and 
 two clamps extending from opposite sides of the main body, each of the clamps comprising: 
 an arm portion; and 
 a curved portion extending from the arm portion generally toward the heat absorbing base; 
   the arm portions of the clamps clamping two opposite lateral sides of the heat absorbing base, and the curved portions of the clamps elastically clamping edges of the heat absorbing base away from the main body such that the heat pipe is interferingly engaged between the main body and the heat absorbing base.