Vent hole-adjustable electronic cigarette

Abstract

A vent hole-adjustable electronic cigarette is provided which comprises an airflow channel used for airflow circulation to facilitate smoke inhalation. The electronic cigarette also comprises a smoke volume adjustment mechanism used for adjusting the size of the airflow channel. The smoke volume adjustment mechanism is provided to adjust the volume of the airflow in the airflow channel, thus satisfying requirements of a smoker for different mouthfeel.

1 . A vent hole-adjustable electronic cigarette, comprising
 an airflow channel ( 6 ) configured for airflow circulation to facilitate smoke inhalation; and   a smoke volume adjustment mechanism configured for adjusting a size of the airflow channel.   
     
     
         2 . The electronic cigarette according to  claim 1 , wherein, the electronic cigarette further comprises an outer tube ( 1 ) and the airflow channel ( 6 ) is arranged in the outer tube ( 1 ); the smoke volume adjustment mechanism comprises a first smoke volume adjustment element ( 10 ) and a second smoke volume adjustment element ( 20 ) that are coaxially arranged with the outer tube ( 1 ); at least one first vent hole ( 111 ) is defined in the first smoke volume adjustment element ( 10 ); at least one second vent hole ( 222 ) is defined in the second smoke volume adjustment element ( 20 ); both the first and second vent holes ( 111 ) and ( 222 ) communicate with the airflow channel ( 6 ); and the first and second smoke volume adjustment elements ( 10 ) and ( 20 ) are capable of rotating relative to each other to adjust an overlapped area between the first and second vent holes ( 111 ) and ( 222 ). 
     
     
         3 . The electronic cigarette according to  claim 2 , wherein, the first and second smoke volume adjustment elements ( 10 ) and ( 20 ) are respectively a first suction nozzle cover ( 100 ) and a second suction nozzle cover ( 200 ) which are arranged at one end of the outer tube ( 1 ). 
     
     
         4 . The electronic cigarette according to  claim 3 , wherein, magnetic material is contained in contacting surfaces between the first and second suction nozzle covers ( 100 ) and ( 200 ), so that the first and second suction nozzle covers ( 100 ) and ( 200 ) are connected via magnetic connection. 
     
     
         5 . The electronic cigarette according to  claim 3 , wherein, a first through hole ( 2 ) is defined in a center of the first suction nozzle cover ( 100 ), and a cylinder ( 3 ) adapted to the first through hole ( 2 ) is axially extended from an inner surface of the second suction nozzle cover ( 200 ) along a direction toward the center, which enable the first and second suction nozzle covers ( 100 ) and ( 200 ) to be rotatable to each other. 
     
     
         6 . The electronic cigarette according to  claim 5 , wherein, the through hole ( 2 ) and the cylinder ( 3 ) are connected to each other via interference fit or clamp connection. 
     
     
         7 . The electronic cigarette according to  claim 3 , wherein, the first and second vent holes ( 111 ) and ( 222 ) are located in a peripheral region of the first and second suction nozzle covers ( 100 ) and ( 200 ) respectively. 
     
     
         8 . The electronic cigarette according to  claim 3 , wherein, a plurality of first vent holes ( 111 ) with different areas are respectively spaced in the first suction nozzle cover ( 100 ) around an inner circumference of the first suction nozzle cover ( 100 ); a single second vent hole ( 222 ) is defined in the second suction nozzle cover ( 200 ) corresponding to locations of the first vent holes ( 111 ); and with the relative rotation between the first and second suction nozzle covers ( 100 ) and ( 200 ), the second vent hole ( 222 ) is capable of covering any one of the first vent holes ( 111 ). 
     
     
         9 . The electronic cigarette according to  claim 8 , wherein, the plurality of the first vent holes ( 111 ) are arranged by area in descending or ascending order. 
     
     
         10 . The electronic cigarette according to  claim 3 , wherein, a plurality of second vent holes ( 222 ) with different areas are respectively spaced in the second suction nozzle cover ( 200 ) around an inner circumference of the second suction nozzle cover ( 200 ); a single first vent hole ( 111 ) is defined in the first suction nozzle cover ( 100 ) corresponding to locations of the second vent holes ( 222 ); and with the relative rotation between the first and second suction nozzle covers ( 100 ) and ( 200 ), the first vent hole ( 111 ) is capable of covering any one of the second vent holes ( 222 ). 
     
     
         11 . The electronic cigarette according to  claim 10 , wherein, the plurality of the second vent holes ( 222 ) are arranged by area in descending or ascending order. 
     
     
         12 . The electronic cigarette according to  claim 8 , wherein, the first and second vent holes ( 111 ) and ( 222 ) are configured with a same shape. 
     
     
         13 . The electronic cigarette according to  claim 12 , wherein, a radial cross-sectional shape of the first and second vent holes ( 111 ) and ( 222 ) is circle, elliptic, arced, star-shaped, triangular, trapezoidal, conical or rectangular. 
     
     
         14 . The electronic cigarette according to  claim 3 , wherein, the first vent hole ( 111 ) is a first semicircle arc hole defined in the first suction nozzle cover ( 100 ) around a center of the first suction nozzle cover ( 100 ), the second vent hole ( 222 ) is a second semicircle arc hole defined in the second suction nozzle cover ( 200 ) around a center of the second suction nozzle cover ( 200 ), and the first and second semicircle arcs are configured with a same radius. 
     
     
         15 . The electronic cigarette according to  claim 14 , wherein, areas of the first and second vent holes ( 111 ) and ( 222 ) are the same and locations of the first and second vent holes ( 111 ) and ( 222 ) are corresponding to each other. 
     
     
         16 . The electronic cigarette according to  claim 3 , wherein, the first suction nozzle cover ( 100 ) is a metal suction nozzle cover, a plastic suction nozzle cover, a ceramic suction nozzle cover, a papery suction nozzle cover or a wood suction nozzle cover. 
     
     
         17 . The electronic cigarette according to  claim 3 , wherein, the second suction nozzle cover ( 200 ) is a metal suction nozzle cover, a plastic suction nozzle cover, a ceramic suction nozzle cover, a papery suction nozzle cover or a wood suction nozzle cover. 
     
     
         18 . The electronic cigarette according to  claim 2 , wherein, the electronic cigarette further comprises an atomizer ( 4 ) and a battery cartridge ( 5 ) plugged with each other; the outer tube ( 1 ) comprises an atomizer tube ( 40 ) for the atomizer ( 4 ) and a battery tube ( 50 ) for the battery cartridge ( 5 ); and the first and second smoke volume adjustment elements ( 10 ) and ( 20 ) are respectively arranged at positions where the atomizer tube ( 40 ) and the battery tube ( 40 ) are connected to each other. 
     
     
         19 . The electronic cigarette according to  claim 2 , wherein, the first and second smoke volume adjustment elements ( 10 ) and ( 20 ) are respectively a first lamp cap ( 110 ) and a second lamp cap ( 220 ) which are arranged at one end of the outer tube ( 1 ). 
     
     
         20 . The electronic cigarette according to  claim 1 , wherein, the electronic cigarette further comprises an outer tube ( 1 ) and a smoke volume adjustment tube arranged on the outer tube ( 1 ); a first and a second vent holes ( 111 ) and ( 222 ) corresponding to each other are respectively defined in the outer tube ( 1 ) and the smoke volume adjustment tube; and the outer tube ( 1 ) and the smoke volume adjustment tube constitute the smoke volume adjustment mechanism.