Electronic cigarette and soft absorption stem thereof

1. A soft absorption stem for an electronic cigarette, comprising a sleeve with a hollow cavity, a cigar liquid tank disposed inside the sleeve for storing cigar liquid, an atomization device for transforming cigar liquid into smoke, and a liquid guiding component for guiding cigar liquid contained in the tank to the atomization device, wherein the sleeve is made of soft material; a plurality of venting slots is extended axially from one end of the sleeve to the other end thereof and disposed on an inner wall of the sleeve; the sleeve includes a mouthpiece end and a connection end; a suction hole communicating with the venting slots is provided on the mouthpiece end; smoke produced by atomization of the atomization device flows out of the sleeve from the venting slots across the suction hole;

a connection component is provided on the connection end of the sleeve for connecting with an external power source in order to provide power to the atomization device and thus make the device work; the connection component is inserted into the sleeve so as to secure the atomization device, liquid guiding component and cigar liquid tank inside the sleeve; the connection component includes a connection member which functions as a first electrode of the atomization device and of which one end is inserted into the sleeve for securing the atomization device inside the sleeve, an upper electrode member working as a second electrode of the atomization device, and an insulation ring located between the upper electrode and connection member; and the upper electrode member is tightly fastened inside the connection member through the insulation ring;

the connection member is substantially of a hollow cylinder and includes a cylindrical main body with a larger diameter and a cylindrical connection portion with a smaller diameter; a locating rim is disposed between the main body and connection portion and extends radially outwardly from the main body for matching the connection end of the sleeve; the main body is inserted and secured into the sleeve; an externally threaded connector for connecting with an external power source and an intake hole for air entrance are disposed on the connection portion; a holding groove is defined in the inner wall of the connection member for mounting the upper electrode member therein; the upper electrode member is inserted into the holding groove by the insulation member; an upper portion of an outer wall of the main body is recessed so as to form a circular locating step for engaging the inner wall of the connection end of the sleeve and being pressed against the end of the connection end of the sleeve; and the cavity of the main body is used for receiving the atomization device.

2. The absorption stem according to claim 1 , wherein the venting slots are formed by recessing of the inner wall of the sleeve in a direction away from an axis; and the plurality of venting slots is symmetrical circumferentially about the axis of the sleeve and is arranged on the inner wall of the sleeve.

3. The absorption stem according to claim 1 , wherein the cross section of the inner wall of the sleeve is of a circular or polygon; and the venting slots have a cross section of arc shape, U shape, V shape or trapezoid shape.

4. The absorption stem according to claim 1 , wherein the soft material is plastic, paper, rubber or fiber material; the plastic material is selected from any one of the following materials: PC, PP, PVC, ABS, PET or PE; the paper material is paper having required hardness; and the fiber material is fiber tube, wood pulp fiber or glass fiber tube.

5. The absorption stem according to claim 1 , wherein the sleeve is formed by combination of a top wall and a side wall; the top wall is located at the mouthpiece end and is integrally formed with the sleeve; and the suction hole is defined in the top wall.

6. The absorption stem according to claim 1 , wherein a venting portion is placed between the suction hole and venting slots for interconnecting the two.

7. The absorption stem according to claim 6 , wherein the venting portion is a cylinder positioned on an upper end of the cigar liquid tank; the cavity of the venting portion communicates the suction hole; a guiding slot running axially is disposed on a side wall of the venting portion to communicate the cavity of the venting portion with the venting slots.

8. The absorption stem according to claim 1 , wherein the cigar liquid tank is defined by a sealed cylindrical space constituted by a liquid barrel for storage of cigar liquid and an upper cover and a lower cover both of which are sealably disposed at two ends of the barrel; the side wall of the cigar liquid tank is pressed or almost pressed against the inner wall of the sleeve; and the two ends of the cigar liquid tank are connected with the sleeve.

9. The absorption stem according to claim 8 , wherein the liquid barrel is of a cylinder, and the upper cover and lower cover are inserted into the inner wall of the liquid barrel at two ends thereof respectively; the upper cover includes a cylindrical upper cover body, an upper cover bulged rim, which is extended radially outwardly along the side wall of the upper cover body at one end thereof and is pressed against one end of the liquid barrel, and a venting portion located at an upper end of the upper cover body for communicating the venting slots with the suction hole; the lower cover is of a cylinder and a lower cover bulged rim is provided on the side wall of the lower cover at a bottom end thereof for being pressed against the other end of the liquid barrel; a sealing hole extended axially is defined at a middle portion of the lower cover; and the sealing hole has the liquid guiding component accommodated therein to seal the cigar liquid tank.

10. The absorption stem according to claim 1 , wherein the atomization device includes an atomizer and an atomization cup; the atomizer includes an electric heater coil and a fiber member for supporting the electric heater coil and absorbing and storing the cigar liquid; the atomization cup includes a cylindrical cup body with an atomization chamber defined therein and a holding base disposed at one end of the cup body for holding the fiber member in place; and gaps are formed at two sides of the holding base through which smoke produced inside the atomization chamber enters into the venting slots of the sleeve.

11. The absorption stem according to claim 1 , wherein the absorption stem further includes a paper layer sleeved on the outside of the sleeve and connection component and made of soft material for decorative purposes or attaching a trademark thereon.

12. The absorption stem according to claim 11 , wherein the soft material is ethylene-vinyl acetate copolymer or Polyurethane foam material.

13. An electronic cigarette comprising an absorption stem and a power source stem, wherein the absorption stem is a soft absorption stem according to claim 1 , and the power source stem is detachably connected with the connection end of the soft absorption stem.

14. An electronic cigarette, comprising a sleeve with a hollow cavity, a cigar liquid tank disposed inside the sleeve for storing cigar liquid, an atomization device for transforming cigar liquid into smoke, and a liquid guiding component for guiding cigar liquid contained in the tank to the atomization device, wherein a plurality of venting slots is extended axially from one end of the sleeve to the other end thereof and disposed on an inner wall of the sleeve; the sleeve includes a mouthpiece end and a connection end; a suction hole communicating with the venting slots is provided on the mouthpiece end; smoke produced by atomization of the atomization device flows out of the sleeve from the venting slots across the suction hole;

a connection component is provided on the connection end of the sleeve for connecting with an external power source in order to provide power to the atomization device and thus make the device work; the connection component is inserted into the sleeve so as to secure the atomization device, liquid guiding component and cigar liquid tank inside the sleeve; the connection component includes a connection member which functions as a first electrode of the atomization device and of which one end is inserted into the sleeve for securing the atomization device inside the sleeve, an upper electrode member working as a second electrode of the atomization device, and an insulation ring located between the upper electrode and connection member; and the upper electrode member is tightly fastened inside the connection member through the insulation ring;

the connection member is substantially of a hollow cylinder and includes a cylindrical main body with a larger diameter and a cylindrical connection portion with a smaller diameter; a locating rim is disposed between the main body and connection portion and extends radially outwardly from the main body for matching the connection end of the sleeve; the main body is inserted and secured into the sleeve; an externally threaded connector for connecting with an external power source and an intake hole for air entrance are disposed on the connection portion; a holding groove is defined in the inner wall of the connection member for mounting the upper electrode member therein; the upper electrode member is inserted into the holding groove by the insulation member; an upper portion of an outer wall of the main body is recessed so as to form a circular locating step for engaging the inner wall of the connection end of the sleeve and being pressed against the end of the connection end of the sleeve; and the cavity of the main body is used for receiving the atomization device.