Hanging neck fan

Abstract

The present disclosure provides a hanging neck fan including a housing capable of being worn on a neck; at least two accommodation chambers distributed along an extension direction of the housing and spaced within the housing at interval, each accommodation chamber is provided with a fan assembly, a surface of the housing is provided with an air inlet with a same number as the accommodation chamber. The air inlet is provided on an inner shell or an outer shell of the housing, one side of each accommodation chamber is provided with an air outlet, the air inlet and the air outlet are connected to a corresponding accommodation chamber, the air outlet faces to an impeller on the fan assembly, and at least one end of the air outlet extends within a diameter range of the impeller. The impeller and the accommodation chamber are non-coaxial.

1 . A neck hanging fan, comprising a housing capable of being worn on a neck; at least two accommodation chambers distributed along an extension direction of the housing and spaced within the housing at interval, each accommodation chamber is provided with a fan assembly;
 a surface of the housing is provided with an air inlet with a same number as the accommodation chamber, the air inlet faces to the accommodation chamber; the air inlet is provided on an inner shell or an outer shell of the housing; one side of each accommodation chamber is provided with an air outlet; the air inlet and the air outlet are connected to a corresponding accommodation chamber; and external air is sucked by the fan assembly into the accommodation chamber from the air inlet and blew out from the air outlet.   
     
     
         2 . The hanging neck fan according to  claim 1 , wherein the housing comprises an arc-shape first housing and an arc-shape second housing; one end of the first housing is provided with a shaft sleeve, and a polygonal shaft hole is provided within the shaft sleeve; one end of the second housing is provided with a circular rotation shaft, and a circumferential outer side wall of the circular rotation shaft is interference-fit with a circumferential inner side wall of the polygonal shaft hole, so that the first housing remains at a certain position when rotating relative to the second housing. 
     
     
         3 . The hanging neck fan according to  claim 2 , wherein both ends of the first housing are provided with the air inlet, the air inlet at one end of the first housing far from the second housing is provided on an inner side wall of the first housing, and the air inlet at one end of the first housing close to the second housing is provided on an outer side wall of the first housing. 
     
     
         4 . The hanging neck fan according to  claim 1 , wherein the air inlet comprises multiple air inlet holes that are connected to the accommodation chamber. 
     
     
         5 . The hanging neck fan according to  claim 1 , wherein the fan assembly comprises an impeller and a motor driving the impeller to rotate; a central axis of the impeller and a central axis of the accommodation chamber are non-coaxial, and a distance between an outer edge of the impeller and an inner side wall of the accommodation chamber gradually increases along a rotation direction of the impeller. 
     
     
         6 . The hanging neck fan according to  claim 1 , wherein the air outlet faces to the impeller on the fan assembly, and at least one end of the air outlet extends within a diameter range of the impeller. 
     
     
         7 . The hanging neck fan according to  claim 1 , wherein one side of the accommodation chamber close to the air outlet is provided with an inclined air guide plate; one end of the air guide plate extends to an inner side wall of the accommodation chamber, the other end of the air guide plate extends to an end of the air outlet far from a center of the accommodation chamber, and a lower end of the air guide plate is lower than a uppermost end of the impeller. 
     
     
         8 . The hanging neck fan according to  claim 1 , wherein the fan assembly is provided on the inner shell. 
     
     
         9 . A hanging neck fan, comprising a housing capable of being worn on a neck; at least two accommodation chambers distributed along an extension direction of the housing and spaced within the housing at interval, each accommodation chamber is provided with a fan assembly;
 the housing comprises a first housing and a second housing, one end of the first housing is provided with a shaft sleeve, a polygonal shaft hole is provided within the shaft sleeve; one end of the second housing is provided with a circular rotation shaft;   a circumferential outer side wall of the circular rotation shaft is interference-fit with a circumferential inner side wall of the polygonal shaft hole, so that the first housing maintains at a certain position when rotating relative to the second housing.   
     
     
         10 . The hanging neck fan according to  claim 9 , wherein an outer side wall of the shaft sleeve is provided with a first connection member, which is detachably connected to the first housing; an outer side wall of the circular rotation shaft is provided with a second connection member, which is detachably connected to the second housing. 
     
     
         11 . The hanging neck fan according to  claim 9 , wherein the polygonal shaft hole is a hexagonal shaft hole. 
     
     
         12 . A hanging neck fan, comprising a housing capable of being worn on a neck; at least two accommodation chambers distributed along an extension direction of the housing and spaced within the housing at interval, each accommodation chamber is provided with a fan assembly;
 the fan assembly comprises an impeller and a motor driving the impeller to rotate, a central axis of the impeller and a central axis of the accommodation chamber are non-coaxial; and a distance between an outer edge of the impeller and an inner side wall of the accommodation chamber gradually increases along a rotation direction of the impeller.   
     
     
         13 . The hanging neck fan according to  claim 12 , wherein, a maximum distance between the outer edge of the impeller and the inner side wall of the accommodation chamber is A, a minimum distance between the outer edge of the impeller and the inner side wall of the accommodation chamber is B, and A≥1.5B. 
     
     
         14 . A hanging neck fan, comprising a housing capable of being worn on a neck; at least two accommodation chambers distributed along an extension direction of the housing and spaced within the housing at interval; each accommodation chamber is provided with a fan assembly; and an air outlet faces to an impeller on the fan assembly, and at least one end of the air outlet extends to a diameter range of the impeller. 
     
     
         15 . The hanging neck fan according to  claim 14 , wherein the air outlet is a single air outlet, or an area where air comes out and that is composed by multiple air outlets, one end of the air outlet is within a diameter range of the impeller, and the other end of the air outlet extends out the diameter range of the impeller. 
     
     
         16 - 19 . (canceled)