Electronic Cigarette and Mouthpiece Part Thereof

Abstract

The present invention relates to an electronic cigarette and mouthpiece part thereof. The mouthpiece part includes within an inhaling shell: an aerosol passage, a reservoir, an atomizing device, and a guiding device for sealing the reservoir and guiding tobacco substance from the reservoir to the atomizing device for vaporization without fluid leakage. The guiding device includes a guiding plate and an absorption piece laminating each other. Tobacco substance penetrates the guiding plate and is absorbed and stored in the absorption piece for vaporization. The electronic cigarette includes the mouthpiece part and a power source part connecting each other. The electronic cigarette and mouthpiece part thereof facilitate assembling, improve guiding tobacco substance, and prevent fluid-leakage.

What is claimed is: 
     
         1 . A mouthpiece part of an electronic cigarette comprising:
 an inhaling shell;   an aerosol passage defined in the inhaling shell;   a reservoir defined in the inhaling shell for storing tobacco substance;   an atomizing device positioned in the inhaling shell which comprising an atomizing cup and an atomizer mounted in the atomizing cup; and   a guiding device set between the reservoir and atomizing device for sealing the reservoir and guiding tobacco substance from the reservoir to the atomizing cup for vaporization without fluid leakage;   wherein the guiding device comprises a guiding plate and an absorption piece laminating each other in such way that the guiding plate covers an open end of the reservoir and the absorption piece facing the atomizer in the atomizing cup;   whereby tobacco substance penetrates the guiding plate and is absorbed and stored in the absorption piece for vaporization.   
     
     
         2 . The mouthpiece part according to  claim 1 , wherein the guiding device has a configuration and size adapted to an inner wall of the inhaling shell and the open end of the reservoir; the guiding plate defines at least one guiding hole for tobacco substance penetrating therethrough; and the absorption piece is made from such materials with adsorbability and heat-resistance. 
     
     
         3 . The mouthpiece part according to  claim 2 , wherein both the guiding plate and the absorption piece substantially have a circle shape; the guiding hole in the guiding plate comprises a first main guiding hole in center of the circle and a plurality of secondary guiding holes at radial directions. 
     
     
         4 . The mouthpiece part according to  claim 3 , wherein both the guiding plate and the absorption piece substantially have a circle shape with a cutout edge; wherein materials for the absorption piece is refractory wool, glass fiber, or heavy canvas. 
     
     
         5 . The mouthpiece part according to  claim 1 , further comprising an electrode assembly; wherein the electrode assembly comprises a first electrode, a second electrode, and an insulating ring inserting therebetween; the atomizer comprise an electric heat wire mounted in the atomizing cup with each end of the electric heat wire respectively electrically gripped by the first electrode and the second electrode. 
     
     
         6 . The mouthpiece part according to  claim 5 , wherein the first electrode comprises a cylindrical section inserting an open end of the inhaling shell for holding the atomizing device therein, and an engaging section for receiving the second electrode and insulating ring therein; each end of the electric heat wire respectively passes through a corresponding wire-inserting hole defined in the atomizing cup, a first end of the electric heat wire finally extends and is gripped between the first electrode and outer surface of the atomizing cup by interference fit therebetween, and a second end of the electric heat wire finally extends and is gripped between the second electrode and the insulating ring by interference fit therebetween; whereby both ends of the electric heat wire respectively and electrically connected with the first and the second electrodes. 
     
     
         7 . The mouthpiece part according to  claim 6 , wherein the atomizing cup is substantially cylindrical and is received in the cylindrical section of the first electrode, of which a bottom wall and an annular side wall enclose an atomizing chamber; the atomizing cup further defines a center through hole for heat dissipation in the bottom wall, and defines a wire-cross groove in the bottom wall opposite to the atomizing chamber and communicated with one wire-inserting hole; the first end of the electronic heat wire extends through the corresponding wire-inserting hole and along the wire-cross groove for connecting with the first electrode; the atomizer further comprises an electric heat bar mounted in the atomizing cup, and the electric heat wire winds round the electric heat bar. 
     
     
         8 . The mouthpiece part according to  claim 1 , wherein the atomizing cup is made from heat-stable material by an integrated molding process; the reservoir and the aerosol passage are integrated in the inhaling shell; the inhaling shell has one open end and the other closed end; the guiding device and atomizing device are respectively inserted in the inhaling shell from the open end thereof; the other closed end seals one end of the reservoir opposite to the guiding device and defines smoking-flow hole therethrough; and the smoking-flow hole is communicated with the aerosol passage. 
     
     
         9 . The mouthpiece part according to  claim 1 , wherein whole or part of the mouthpiece part is transparent for observation. 
     
     
         10 . The mouthpiece part according to  claim 9 , wherein the inhaling shell where the reservoir is located is transparent, whereby remaining tobacco substance in the reservoir is observable. 
     
     
         11 . An electronic cigarette comprising a mouthpiece part and a power source part; the mouthpiece part further comprising:
 an inhaling shell;   a reservoir defined in the inhaling shell for storing tobacco substance;   an atomizing device positioned in the inhaling shell which comprising an atomizing cup and an atomizer mounted in the atomizing cup; and   a guiding device set between the reservoir and atomizing device for sealing the reservoir and guiding tobacco substance from the reservoir to the atomizing cup for vaporization without fluid leakage;   wherein the mouthpiece part is electrically connected with the power source part; the guiding device comprises a guiding plate and an absorption piece laminating each other in such way that the guiding plate covers an open end of the reservoir and the absorption piece facing the atomizer in the atomizing cup; whereby tobacco substance penetrates the guiding plate and is absorbed and stored in the absorption piece for vaporization.   
     
     
         12 . The electronic cigarette according to  claim 11 , wherein the guiding device has a configuration and size adapted to an inner wall of the inhaling shell and the open end of the reservoir; the guiding plate defines at least one guiding hole for tobacco substance penetrating therethrough; and the absorption piece is made from such materials with adsorbability and heat-resistance. 
     
     
         13 . The electronic cigarette according to  claim 12 , wherein both the guiding plate and the absorption piece substantially has a circle shape with a cutout edge, the guiding hole in the guiding plate comprises a first main guiding hole in center of the circle and a plurality of secondary guiding holes at radial directions; and whole or part of the inhaling shell is transparent. 
     
     
         14 . The electronic cigarette according to  claim 11 , wherein the mouthpiece part further comprises an electrode assembly; the electrode assembly comprises a first electrode, a second electrode, and an insulating ring inserting therebetween; the first electrode comprises a cylindrical section inserting in the inhaling shell for holding the atomizing device therein, and an engaging section; the atomizer comprise an electric heat wire with both end respectively gripped by the first electrode and the second electrode; the power source part comprises a media player, an alarm clock, a compass, or a voice recorder therein. 
     
     
         15 . The electronic cigarette according to  claim 11 , wherein the engaging section designed as a column with external thread accommodates the second electrode and insulating ring therein; the power source part has a first power electrode with internal thread, and a second power electrode fitted in the first power electrode by inserting an insulating washer therebetween; the mouthpiece part is electrically engaged with the power source part by means of the engaging section of the first electrode threading into the first power electrode; whereby the first electrode is electrically and threadedly engaged with the first power electrode and the second electrode electrically contacts with the second power electrode.