Fan housing

Abstract

A fan housing is disclosed and includes a barrel body and a fixing plate. The barrel body includes a first end, a second end and a hollow portion. The first end and the second end are two opposite ends, and the hollow portion is in communication between the first end and the second end, and configured to accommodate a fan motor. The fixing plate includes a plurality of splicing elements. Each two adjacent ones of the plurality of splicing elements are connected to each other. The plurality of splicing elements are disposed around the barrel body and connected to the first end or the second end.

What is claimed is: 
     
         1 . A fan housing comprising:
 a barrel body comprising a first end, a second end and a hollow portion, wherein the first end and the second end are two opposite ends, and the hollow portion is in communication between the first end and the second end, and configured to accommodate a fan motor; and   a fixing plate comprising a plurality of splicing elements, wherein each two adjacent ones of the plurality of splicing elements are connected to each other, wherein the plurality of splicing elements are disposed around the barrel body and connected to the first end or the second end.   
     
     
         2 . The fan housing according to  claim 1 , wherein each two adjacent ones of the plurality of splicing elements have a first joining surface, and are connected with each other by welding, screw locking or snap locking. 
     
     
         3 . The fan housing according to  claim 1 , wherein each one of the plurality of splicing elements and the barrel body have a second joining surface, and are connected with each other by welding, screw locking or snap locking. 
     
     
         4 . The fan housing according to  claim 1 , wherein the plurality of splicing element have an identical size and an identical shape. 
     
     
         5 . The fan housing according to  claim 1 , wherein the barrel body forms a ring wall by a metal rolling method. 
     
     
         6 . The fan housing according to  claim 1 , wherein the barrel body comprises a plurality of fastening platform disposed equidistantly and arranged on an inner periphery of the barrel body, and the fan motor is connected to the plurality of locking platforms through a plurality of support brackets, wherein each of the plurality of support brackets comprises a fastened end and a holding end opposite to each other, the fastened end is detachably connected to a corresponding one of the plurality of fastening platforms, and the holding end is detachably connected to the fan motor. 
     
     
         7 . The fan housing according to  claim 6 , wherein the fastened ends of the plurality of support brackets are connected to form a ring surface. 
     
     
         8 . The fan housing according to  claim 6 , wherein each of the plurality of support brackets has an identical size and an identical shape, and is produced by stamping or sheet-metal working. 
     
     
         9 . The fan housing according to  claim 1 , wherein the hollow portion runs through the first end and the second end along an axial direction, the plurality of support brackets and the fan motor are shielded by the barrel body in view of a radial direction, and the plurality of support brackets and the fan motor are accommodated in the hollow portion without exceeding the first end or the second end. 
     
     
         10 . A fan housing comprising:
 a plurality of splicing ring walls, wherein each two adjacent ones of the plurality of splicing ring walls are connected to each other to form a barrel body, and the barrel body comprises a first end, a second end and a hollow portion, wherein the first end and the second end are two opposite ends, and the hollow portion is in communication between the first end and the second end, and configured to accommodate a fan motor; and   a plurality of splicing elements, wherein each two adjacent ones of the plurality of splicing elements are connected to each other to form a fixing plate disposed around the barrel body and connected to the first end or the second end, and the plurality of splicing ring walls and the plurality of splicing elements are correspondingly connected to each other and disposed in pairs.   
     
     
         11 . The fan housing according to  claim 10 , wherein each pair of the plurality of splicing ring walls and the plurality of splicing elements are integrally formed into one piece by a plastic molding method. 
     
     
         12 . The fan housing according to  claim 10 , wherein each adjacent pairs of the plurality of splicing ring wall and the plurality of splicing elements have a fastening and jointing surface, and are connected with each other by screw locking or snap locking. 
     
     
         13 . A fan housing comprising:
 a barrel body comprising an air outlet, an air inlet a hollow portion, wherein the air outlet and the air inlet are disposed on two opposite ends of the barrel body, and the hollow portion is in communication between the air inlet and the air outlet; and   a fixing plate comprising a plurality of splicing elements, wherein each two adjacent ones of the plurality of splicing elements are connected to each other, wherein the plurality of splicing elements are disposed around the barrel body and arranged adjacent to the air inlet or air outlet.   
     
     
         14 . The fan housing according to  claim 13 , wherein the barrel body comprises a first air inlet section, a second air inlet section, a parallel section and an outlet inclined section arranged from the air inlet to the air outlet in sequence, wherein the first air inlet section has a first radius, the second air inlet section has a second radius, and the first radius is smaller than the second radius. 
     
     
         15 . The fan housing according to  claim 13 , further comprising a protective grid detachably disposed outside the air outlet, wherein the protective grid and the barrel body are fixed to each other by a fastening method. 
     
     
         16 . The fan housing according to  claim 15 , wherein the hollow portion of the barrel body is configured to accommodate a fan motor, and a distance is maintained between the fan motor and the protective grid.