Replaceable universal atomizing head, atomizer, and electronic cigarette with atomizing head

Abstract

An atomizing head for an electronic cigarette, the atomizing head being universal and replaceable, includes a support base defining an atomizing chamber, a heating device, and a liquid guiding member. The liquid guiding member includes a liquid guiding wick, a liquid guiding nozzle, and a liquid guiding nozzle seat. One end of the liquid guiding wick extends from the liquid guiding nozzle seat to the heating device. The nozzle and nozzle seat cooperatively define a receiving cavity, the receiving cavity is blocked by the liquid guiding wick, and an inner surface of the receiving cavity defines at least one liquid guiding slot for providing a channel for a liquid to the heating device. An atomizer and an electronic cigarette including the replaceable universal atomizing head are also described.

What is claimed is: 
     
         1 . An atomizing head, comprising:
 a conductive ring defining a receiving space,   a heating device disposed in the receiving space, and   a conductive member located at one end of the receiving space,   wherein the heating device comprises a first wire and a second wire, the conductive member comprises an insulator and a conductor mounted on the insulator, the conductive ring is a negative electrode of the atomizing head, the conductor is a positive electrode of the atomizing head, the first wire is in contact with the conductive ring, the second wire is in contact with the conductor, and   wherein a negative pressure of airflow is formed in the conductive member when the atomizing head is inhaled, and smoke formed by atomizing liquid flows out from the other end of the receiving space opposite to the conductive member.   
     
     
         2 . The atomizing head of  claim 1 , further comprising a support base defining an atomizing chamber, wherein the support base is located in the receiving space, the heating device is mounted in the atomizing chamber, the first wire is disposed between the conductive ring and the support base. 
     
     
         3 . The atomizing head of  claim 2 , wherein a vent hole is provided in a bottom of the support base. 
     
     
         4 . The atomizing head of  claim 2 , wherein the support base is made of ceramic. 
     
     
         5 . The atomizing head of  claim 2 , wherein a liquid absorbing member wraps an outer surface of the support base, and the first wire is disposed between the conductive ring and the liquid absorbing member. 
     
     
         6 . The atomizing head of  claim 1 , further comprising a liquid guiding member located at the other end of the receiving space opposite to the conductive member, wherein the liquid guiding member comprises a liquid guiding wick, a liquid guiding nozzle and a liquid guiding nozzle seat, a first end of the liquid guiding wick extends from the liquid guiding nozzle seat and is positioned on the heating device, and a second end of the liquid guiding wick is inserted into the liquid guiding nozzle, the second end is opposite to the first end. 
     
     
         7 . The atomizing head of  claim 6 , wherein the liquid guiding nozzle and the liquid guiding nozzle seat cooperatively define a receiving cavity, the receiving cavity is blocked by the liquid guiding wick on a radial direction of the receiving cavity, the receiving cavity has an inner surface, and the inner surface of the receiving cavity defines at least one liquid guiding slot wherein liquid reaches the heating device via the at least one liquid guiding slot. 
     
     
         8 . The atomizing head of  claim 7 , wherein the at least one liquid guiding slot has an inner surface, and the liquid guiding wick has an outer surface spaced apart from the inner surface of the liquid guiding slot. 
     
     
         9 . The atomizing head of  claim 7 , wherein the inner surface of the receiving cavity defines one liquid guiding slot, the heating device has two ends aligned along a common horizontal axis. 
     
     
         10 . The atomizing head of  claim 7 , wherein the inner surface of the receiving cavity defines at least two liquid guiding slots, the heating device has two ends, and the two ends are slanted such that one end of the heating device is at a higher elevation than the other end of the heating device. 
     
     
         11 . The atomizing head of  claim 6 , wherein the liquid guiding wick comprises a horizontal portion and a vertical portion, the vertical portion has two ends, the horizontal portion of the liquid guiding wick is wound around by the heating device, one end of the vertical portion of the liquid guiding wick is attached to or abutted against the horizontal portion of the liquid guiding wick, the other end of the vertical portion of the liquid guiding wick extends from the liquid guiding nozzle seat and is inserted into the liquid guiding nozzle. 
     
     
         12 . The atomizing head of  claim 6 , wherein the liquid guiding nozzle seat is inserted into the other end of the receiving space opposite to the conductive member, and a channel is provided between the liquid guiding nozzle seat and the conductive ring and configured for smoke flowing out. 
     
     
         13 . The atomizing head of  claim 1 , wherein the insulator defines an annular fitting groove for receiving the conductor, and the conductor is ring-shaped. 
     
     
         14 . The atomizing head of  claim 2 , wherein the insulator defining an air hole in communication with the atomizing chamber, during inhaling, the air hole has the negative pressure of airflow. 
     
     
         15 . An atomizer, comprising:
 an atomizing head of  claim 1 , and   an atomization assembly defining a space,   wherein the atomizing head is detachably received in the space.   
     
     
         16 . The atomizer of  claim 15 , further comprising a connector, wherein the connector comprises a conductive negative electrode, a conductive positive electrode and an insulating member, the conductive negative electrode is tube-like, the conductive negative electrode defines an alignment hole, the conductive positive electrode passes through the alignment hole, the insulating member is interposed between the conductive positive electrode and the conductive negative electrode, the conductive negative electrode is in contact with the conductive ring, and the conductive positive electrode is in contact with the conductor. 
     
     
         17 . The atomizer of  claim 16 , wherein a notch is defined in an end of the conductive positive electrode. 
     
     
         18 . The atomizer of  claim 15 , wherein the atomization assembly comprises a cartridge, a housing and a first sleeve, the housing has two ends, the cartridge is connected to one end of the housing, the first sleeve is fixed to the other end of the housing and defines a stepped bore, the stepped bore comprises a smaller aperture section and a greater aperture section in communication with the smaller aperture section, and the space of the atomization assembly is defined in the smaller aperture section. 
     
     
         19 . The atomizer of  claim 18 , wherein the atomization assembly further comprises an insulation sleeve sleeved on the first sleeve, the first sleeve has an annular retaining projection, the greater aperture section has a first outer wall, the small aperture section has a second outer wall, the annular retaining projection is arranged on the first outer wall of the greater aperture section, the insulation sleeve is arranged on the second outer wall of the small aperture section and abuts against the annular retaining projection, and the insulation sleeve absorbs heat generated by the heating device. 
     
     
         20 . An electronic cigarette, comprising:
 an atomizer of the  claim 15 , and   a battery rod connected to the atomizer through a threaded manner.