Air pump device adapted to small-sized inflatable product and inflatable product

Abstract

An air pump device adapted to a small-sized inflatable product includes a support, a rotary fan rotatably disposed on the support and a ventilation rotary drum for connecting the inflatable product rotatably disposed on the support. One side of the ventilation rotary drum is provided with a ventilation interface capable of rotating with the ventilation rotary drum. An inflation port and a deflation port are formed in the support. A first centrifugal fan blade and a second centrifugal fan blade are coaxially distributed on the opposite two sides of the rotary fan respectively. The inflation port communicates with the exhaust end of the first centrifugal fan blade, the deflation port communicates with the suction end of the second centrifugal fan blade, and the ventilation interface can be driven to communicate with the inflation port and the deflation port respectively by the rotation of the ventilation rotary drum.

1 . An air pump device, comprising
 a support;   a rotary fan rotatably disposed on the support; and   a rotation mechanism rotatably provided on the support, an airflow channel for connecting the inflatable product being formed inside the rotation mechanism,   wherein the airflow channel is configured to connect to an exhaust end and a suction end of the rotary fan respectively by controlling the rotation mechanism to rotate different angles.   
     
     
         2 . The air pump device according to  claim 1 , wherein the rotation mechanism comprises a ventilation rotary drum which is rotatably disposed on the support, the airflow channel is formed in the ventilation rotary drum, and a side wall of the ventilation rotary drum is provided with a ventilation interface capable of rotating with the ventilation rotary drum, and
 wherein one end of the airflow channel is connected to an inflatable product, the other end of the airflow channel is butted to the ventilation interface, and the ventilation interface is configured to connect to the exhaust end and the suction end of the rotary fan respectively by controlling the ventilation rotary drum to rotate different angles.   
     
     
         3 . The air pump device according to  claim 2 , wherein an inflation port and a deflation port are formed in the support, the inflation port communicates with the suction end of the rotary fan, and the deflation port communicates with the exhaust end of the rotary fan. 
     
     
         4 . The air pump device according to  claim 3 , wherein a first centrifugal fan blade and a second centrifugal fan blade are formed on the rotary fan, the first centrifugal fan blade and the second centrifugal fan blade are coaxially distributed on two opposite sides of the rotary fan respectively, the inflation port communicates with the exhaust end of the first centrifugal fan blade, the deflation port communicates with the suction end of the second centrifugal fan blade, and the ventilation interface is configured to communicate with the inflation port and the deflation port respectively by controlling the rotation of the ventilation rotary drum. 
     
     
         5 . The air pump device according to  claim 2 , wherein the air pump device is movably provided with an operating knob which is coaxially connected to the ventilation rotary drum, a starting switch is fixedly disposed on the support, and a first shifting plate and a second shifting plate are circumferentially surrounded an outer wall of the operating knob, and
 wherein when the first shifting plate or the second shifting plate rotates together with the operating knob and the ventilation rotary drum, the first shifting plate or the second shifting plate synchronously triggers the starting switch.   
     
     
         6 . The air pump device according to  claim 5 , wherein a plurality of gear identifications are provided including a stop gear, an inflation gear and a deflation gear which are surrounded a periphery of the operating knob. 
     
     
         7 . The air pump device according to  claim 3 , wherein an annular plate is provided on the support, and the inflation port and the deflation port are surrounded on the annular plate. 
     
     
         8 . The air pump device according to  claim 4 , wherein the rotary fan further comprises a central shaft, a central plate and a ring plate, the central plate is fixed to an inner ring of the ring plate and connected to the central shaft, the central plate and the ring plate is parallel to each other and spaced apart from each other by a distance to form a ventilation gap, and
 wherein the first centrifugal fan blade is fixedly distributed on one side of the ring plate, the second centrifugal fan blade being fixedly distributed on the other side of the central plate, and the central plate and the ring plate is fixedly connected by joint of the first centrifugal fan blade and the second centrifugal fan blade at the ventilation gap.   
     
     
         9 . The air pump device according to  claim 1 , wherein an accommodating portion for receiving an electric wire is formed in a housing of the air pump device. 
     
     
         10 . The air pump device according to  claim 9 , wherein the housing is defined by a bottom shell and a panel, and a plurality of air holes are provided in the panel. 
     
     
         11 . The air pump device according to  claim 10 , wherein a bottom of the bottom shell of the housing is provided a through hole, a valve plate covering the through hole is movably disposed at a pipe orifice of the rotation mechanism, the valve plate is provided with a movable plate extending into the rotation mechanism, and two opposite sides of the movable plate is respectively provided with a shoulder plate which is extending outwardly perpendicular to the movable plate. 
     
     
         12 . The air pump device according to  claim 11 , wherein two opposite sides of the inner wall of rotation mechanism are each provided with a V-shaped groove, the movable plate is sleeved with a spring, on the bottom shell of the housing, a spring seat is fixedly disposed at a center of the through hole, a clamping block is formed at a tail end of the movable plate, one end of the spring is elastically sleeved with the clamping block, and the other end of the spring is elastically abutted to the spring seat. 
     
     
         13 . The air pump device according to  claim 12 , wherein both ends of each V-shaped groove are each provided with a groove, the groove is configured to receive the shoulder plate when the shoulder plate is moved from a groove bottom of the V-shaped groove to the ends of the V-shaped groove. 
     
     
         14 . The air pump device according to  claim 11 , wherein a sealing ring facing to the through hole is fixed to the valve plate. 
     
     
         15 . The air pump device according to  claim 11 , wherein an assembling ring is surrounded on the periphery the through hole, a plurality of outwardly protruding positioning arcs are formed on the assembling ring, and two elastic arms are oppositely formed on the outer wall of rotation mechanism, the elastic arm extends outwards obliquely, wherein a tail end of each elastic arm are elastically connected to the assembling ring, and the tail end of each elastic arm is engaged with each positioning arc during rotation of rotation mechanism. 
     
     
         16 . The air pump device according to  claim 15 , wherein the tail end of each elastic arm is formed as a ball element, which is engaged with each positioning arc during rotation of rotation mechanism. 
     
     
         17 . The air pump device according to  claim 1 , wherein a direct current motor for supplying power to the rotary fan is disposed on the support, and the direct current motor is powered by a battery-type direct current and a direct current obtained by alternating current conversion. 
     
     
         18 . An inflatable product, comprising an inflatable body, wherein the inflatable body is provided with the air pump device according to  claim 1 .