Abstract:
A blower includes a base, a cover, a centrifugal impeller, and a rotating member. The cover is covered on the base, and defines a number of air outlets towards different directions. The centrifugal impeller is mounted between the base and the cover. The rotating member is rotatably mounted to the cover, and includes a shield. The rotating member is operable to rotate to cover one of the air outlets.

Description:
BACKGROUND 
       [0001]    1. Technical Field 
         [0002]    The present disclosure relates to blowers, specifically to a blower with multiple air outlets. 
         [0003]    2. Description of Related Art 
         [0004]    A blower generally includes an air outlet, and can blow air towards a direction through the air outlet. However, if there is a need to blow air in multiple directions, this type of blower cannot satisfy the demand. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0005]    Many aspects of the present embodiments can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present embodiments. Moreover, in the drawing, all the views are schematic, and like reference numerals designate corresponding parts throughout the several views. 
           [0006]      FIG. 1  is an exploded, isometric view of an exemplary embodiment of a blower. 
           [0007]      FIG. 2  is an inverted view of  FIG. 1 . 
           [0008]      FIG. 3  is a partially assembled, isometric view of  FIG. 2 . 
           [0009]      FIG. 4  is an assembled, isometric view of  FIG. 1 . 
       
    
    
     DETAILED DESCRIPTION 
       [0010]    The disclosure, including the accompanying drawings, is illustrated by way of example and not by way of limitation. It should be noted that references to “an” or “one” embodiment in this disclosure are not necessarily to the same embodiment, and such references mean at least one. 
         [0011]      FIGS. 1 and 2 , show an exemplary embodiment of a blower including a base  10 , a cylindrical centrifugal impeller  20 , a rotating member  30 , a cover  40 , and four fasteners  50 . 
         [0012]    The base  10  includes a bottom plate  12 , and two supporting plates  14  respectively extending down from opposite sides of the bottom plate  12 . A circular opening  121  is defined in a middle of the bottom plate  12 . Four through holes  123  are defined in the bottom plate  12  around the opening  121 . 
         [0013]    The centrifugal impeller  20  includes a shaft  21  formed on a middle of the centrifugal impeller  20 . 
         [0014]    The rotating member  30  includes a fixing plate  31  and a shield  33  extending from the fixing plate in a substantially perpendicular manner The fixing plate  31  includes a ring-shaped rotating portion  312 , and a connecting portion  314  extending outward from a section of an outer circumference of the rotating portion  312 , to connect the rotating portion  312  to the shield  33 . A flange  315  protrudes from an inner circumference of the rotating portion  312 , away from the shield  33 . Three spaced notches  313  are defined in an inner circumference of the flange  315 . The shield  33  is arc-shaped, and arranged on a circumference of the connecting portion  314 . Two latching portions  331  respectively protrude from opposite ends of the outer surface of the shield  33 . 
         [0015]    The cover  40  includes a top plate  41 , a motor (not shown) installed on the center of the bottom of the top plate  41 , four side plates  43  respectively extending down from four sides of the top plate  41  in a substantially perpendicular manner, and a cable  47  extending through the top plate  41  and electrically connected to the motor. Three air outlets  48  are respectively defined in three of the side plates  43 . The other side plate  43  forms an ach-shaped inner surface  45  around the center of the top plate  41 . A ring-shaped concave portion  411  is formed in the bottom of the top plate  41  around the center of the top plate  41 . Three spaced bent hooks  412  are formed on the concave portion  411  around the center of the top plate  41 . Two latching slots  431  are respectively defined in opposite ends of the inner surface of each side plate  43 . Four threaded holes  435  are respectively defined in four corners of the bottom of the side plates  43 . 
         [0016]      FIGS. 3 and 4 , in assembly, the hooks  412  are extended through the notches  313 , to allow the fixing plate  31  to contact with the bottom of the top plate  41 , and to allow the flange  315  to engage in the concave portion  411 . The rotating member  30  is rotated, to allow the hooks  412  to respectively stagger from the notches  313 . Thereby, the rotating member  30  is rotatably mounted to the top plate  41 . The centrifugal impeller  20  is placed below the fixing plate  31 , and the shaft  21  is rotatably connected to the motor. The base  10  is placed below the centrifugal impeller  20 , to allow the through holes  123  to respectively align with the threaded holes  435 . The fasteners  50  are respectively extended through the through holes  123  and engaged in the threaded holes  435 , to fix the base  10  to the cover  40 . Thereby, the blower is assembled. The centrifugal impeller  20  is arranged between the base  10  and the cover  40 . 
         [0017]    In use, the rotating member  30  is rotated according to a heat dissipation need, to allow the shield  33  to cover one of the air outlets  48  which needn&#39;t air blowing out. The latching portions  331  are respectively engaged in the latching slots  431  adjacent to the opposite ends of the air outlet  48 . The centrifugal impeller  20  draws air from the opening  121 , and sends airflow outwards through the other two air outlets  48 . 
         [0018]    When there is a need to have three air outlets  48 , the rotating member  30  is rotated to overlap the inner surface  45 , and the latching portions  331  are respectively engaged in the latching slots  431  at opposite ends of the inner surface  45 . The three air outlets  48  are opened, the centrifugal impeller  20  draws air from the opening  121 , and sends airflow outwards through the three air outlets  48 . 
         [0019]    Even though numerous characteristics and advantages of the embodiments have been set forth in the foregoing description, together with details of the structure and the functions of the embodiments, the disclosure is illustrative only, and changes may be made in details, especially in matters of shape, size, and arrangement of parts within the principles of the embodiments to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.