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 . An electronic cigarette comprising:
 an inhaling shell;   a reservoir defined in the inhaling shell for storing tobacco substance;   an atomizing device positioned in the inhaling shell which comprises an atomizing cup and an atomizer mounted in the atomizing cup; and   a guiding device disposed between the reservoir and the atomizing device for guiding tobacco substance from the reservoir to the atomizing cup for vaporization;   wherein the atomizing cup comprises a bottom wall and an annular sidewall both of which together enclose an atomizing chamber; a pair of seats axially extends upwards from the annular side wall, and each seat defines a fix groove opposite to the atomizing chamber;   the atomizer comprises an electric heat wire and an electric heat bar; the electric heat wire winds around the electric heat bar and the atomizer is mounted in the atomizing cup via the electric heat bar; the electric heat bar extends both its opposite ends upwards; each of the opposite ends of the electric heat bar respectively forms a vertical bar, and a lower portion connected with both the opposite ends forms a horizontal bar; and   both of the vertical bars of the electric heat bar are respectively supported along the fix groove by the seat, while the horizontal bar is supported above the bottom wall in the atomizing chamber.   
     
     
         2 . The electronic cigarette according to  claim 1 , wherein the atomizing cup substantially is an integral and inseparable cylinder; the electric heat bar substantially forms a “U” shape; each fix grooves is vertically formed along an inner wall of the seat in the atomizing chamber; the pair of fix grooves accordingly opposite to each other in the atomizing chamber, face and are communicated with the atomizing chamber; the inner wall of the seat forms an arc or a slope inner wall to support both the opposite ends of the heat bar. 
     
     
         3 . The electronic cigarette according to  claim 1 , wherein the atomizing cup further defines a pair of wire-inserting holes therethrough; the pair of wire-inserting holes respectively vertically align to the fix grooves and extend through the bottom wall of the atomizing cup from an inner side in the atomizing chamber to a reverse outer side of the bottom wall; a center through hole are defined vertically through the bottom wall for heat dissipation; and a wire-cross groove is horizontally defined along the outer side the bottom wall and communicated with one of the wire-inserting hole. 
     
     
         4 . The electronic cigarette according to  claim 3 , wherein the atomizing cup forms a pair of bases in the atomizing chamber from the bottom wall vertically extending upwards; each base aligns to and is located below the seat for supporting the lower portion of the electric heat bar; and each wire-inserting hole extends through each base; the electric heat bar is supported in the atomizing chamber on the pair of bases with its lower portion above the center through hole. 
     
     
         5 . The electronic cigarette according to  claim 3 , further comprising an electrode assembly and a power source part for suppling an electric power to the atomizing device via the electrode assembly; wherein the electrode assembly comprises a first electrode and a second electrode with an insulating ring inserting therebetween; the first electrode comprises a cylindrical section and an opposite engaging section, the second electrode is fitted in the engaging section of the first electrode by inserting the insulating ring therebetween, the first electrode has the cylindrical section tightly fitted in the inhaling shell and forming a cylindrical chamber for holding the atomizing device therein. 
     
     
         6 . The electronic cigarette according to  claim 5 , both ends of the electric heat wire respectively pass through the wire-inserting holes while the heat bar is mounted in the atomizing chamber with both its ends supported in the fixing grooves of the seats; one end of the electric heat wire passes through the corresponding wire-inserting hole and the wire-cross groove, extends back between an outer surface of the atomizing cup and the first electrode, and is tightly fixed in and electrically connected with the first electrode by means of the atomizing cup being tightly engaged in the first electrode by interference fit; the other end of the electric heat wire passes through the other wire-inserting hole and extends between the second electrode and insulating ring so as to electrically connect with the second electrode by means of the insulating ring being engaged in the second electrode by interference fit; whereby both ends of the electric heat wire are respectively electrically connected with the first electrode and second electrode in a gripping means instead of soldering means. 
     
     
         7 . The electronic cigarette according to  claim 1 , wherein the guiding device comprises a guiding plate and an absorption piece horizontally overlaying each other face to face; the guiding device has a configuration and size adapted to an open end of the reservoir and seal the opening end of the reservoir; the guiding device is horizontally positioned at the open end of the reservoir; the absorption piece faces the atomizer in the atomizing cup, while the guiding plate faces the reservoir and contacts tobacco substance. 
     
     
         8 . The electronic cigarette according to  claim 7 , wherein the guiding plate and the absorption piece substantially have the same shape, contact each other, and are tightly fitted in an inner wall of the reservoir at the open end thereof. 
     
     
         9 . The electronic cigarette according to  claim 7 , wherein the guiding plate defines through guiding hole therein for voluntarily guiding liquid tobacco substance from the reservoir to the absorption piece; the guiding plate defines a main guiding hole in center of a circle shape thereof, and radially defines a plurality of secondary guiding holes around; the absorption piece is made from materials with adsorbing ability and heat-resistance which is able to absorb and store liquid like a sponge, and has relatively good temperature resistance to resist heat from the atomizer. 
     
     
         10 . The electronic cigarette according to  claim 9 , wherein the liquid tobacco substance from the reservoir voluntarily flows through the main and secondary guiding holes and is well absorbed, spread and stored in the absorptions piece; the absorption piece has one side abutting against the guiding plate and the other reverse side against a top open end of the atomizing cup; the liquid tobacco substance stored in the absorption piece is able to be vaporized by the atomizer in the atomizing cup; the top open end of the atomizing cup is a top end of the annular side wall and opposite to the bottom wall of the atomizing cup, and is communicated with the atomizing chamber. 
     
     
         11 . The electronic cigarette according to  claim 7 , wherein The atomizing cup is located below the guiding device; both ends of the heat bar upwards contact and vertically engage with the absorption piece; liquid tobacco substance stored in the absorption piece is transferred from the absorption piece to the heat bar for vaporization by the electric heat wire; the heat bar is supported by the seats, and both ends of the heat bar are respectively supported along the fix grooves by an inner wall of the seat, the heat bar is firmly and liably fixed in the atomizing cup with both ends firmly contacting and engaging with the absorption piece upwards; and the liquid tobacco substance is able to be voluntarily and liably transferred from the absorption piece to the heat bar for atomization. 
     
     
         12 . The electronic cigarette according to  claim 1 , wherein the inhaling shell substantially is a cylinder with an open end and an opposite closed end, and defines the reservoir and an aerosol passage axially side by side therein; the aerosol passage is communicated with the atomizing cup; the closed end is used as an inhaling end the electronic cigarette for the user smoking, while the open end is used as a connecting end for engaging with a power source part; a suction hole is defined in the closed end and communicates with the aerosol passage whereby vapor mists vaporized from tobacco substance is able to be inhaled by the user by flowing along the passage and puffing through the smoke-flowsuction hole at the closed end of the inhaling shell. 
     
     
         13 . The electronic cigarette according to  claim 12 , wherein the reservoir is integrated in the inhaling shell; an interval wall extends from the closed end of the inhaling shell and divides the inhaling shell into two parts side by side which respectively are the reservoir and the aerosol passage longitudinally parallel to each other; the interval wall has a first end to form a step towards the reservoir and extend to the closed end of the inhaling shell; the step constructs the suction hole communicated with the aerosol passage for the user to suck. 
     
     
         14 . The electronic cigarette according to  claim 13 , wherein the interval wall is connected with the closed end of the inhaling shell to close a first end of the reservoir at the closed end of the inhaling shell, and has the other end thereof extending to a second end of the reservoir and engaging with the guiding device behind the open end of the inhaling shell.