Abstract:
An electronic cigarette comprises an atomizer ( 22 ) provided with a heating wire ( 221 ), and a battery ( 30 ) electrically connected to the atomizer ( 22 ) for providing power for the atomizer ( 22 ). A first electrode component ( 40 ) electrically connected to the atomizer ( 22 ) and an anode and a cathode of the battery ( 30 ) respectively is arranged between the atomizer ( 22 ) and the battery ( 30 ). The first electrode component ( 40 ) comprises a first electrode part ( 41 ) directly facing a first electrode ( 31 ) of the battery ( 30 ). A first elastic contact part is arranged between the first electrode ( 31 ) of the battery and the first electrode part ( 41 ), and the first electrode of the battery and the first electrode part are electrically connected through the first elastic contact part. The battery ( 30 ) of the electronic cigarette is electrically connected to the electrode part and a control switch ( 50 ) of the atomizer directly through the elastic contact part, a process is simple, and reliability is high.

Description:
FIELD OF THE INVENTION 
       [0001]    The present invention relates to electronic cigarettes, especially to an electronic cigarette, in which a positive electrode and a negative electrode of a battery electrically connected with corresponding electrodes of an atomizer and an atomizer control switch by elastic contact pieces. 
       BACKGROUND OF THE INVENTION 
       [0002]    Conventional electronic cigarette includes an atomizer, a battery and an atomizer control switch which are disposed in a main rod body and mutually electrically connected. Usually, a positive electrode and a negative electrode of the battery are respectively disposed at two ends of the battery. The atomizer is disposed at one end of the battery and electrically connected to corresponding electrodes of the battery by electrode pieces. The battery and the electrode pieces of conventional electronic cigarette adopt the way of welding to achieve electrical connection. Since the main rod body of the electronic cigarette is slender and long, so it is required that welding process is very high. Complex processing technology will undoubtedly result in increased processing cost, and because the reliability of welding is not high, there are problems such as short circuit, poor contact, even unable to be conducted and so on. Meanwhile, the atomizer control switch is usually welded to the corresponding electrodes of the battery by wire, the aforementioned problems also exist. 
       SUMMARY OF THE INVENTION 
       [0003]    The problem to be solved by the present invention is to provide an electronic cigarette, in which connection and assembly process of a battery are simple, and electrical connection is more reliable and safer. 
         [0004]    To solve the above-mentioned problem, the present invention provides an electronic cigarette including an atomizer provided with a heating wire and a battery electrically connected with the atomizer to supply power for the atomizer. Between the atomizer and the battery disposes a first electrode assembly respectively connecting with positive and negative electrodes of the atomizer and the battery. The first electrode assembly comprises a first electrode piece facing to a first electrode of the battery. Between the first electrode of the battery and the first electrode piece disposes a first elastic contact piece to achieve electrical connection of the first electrode of the battery and the first electrode piece by the first elastic contact piece. 
         [0005]    Furthermore, the first elastic contact piece is a first compression spring; one end of the first electrode piece facing to the battery extends toward the battery to form a first convex column operable to fix the first compression spring. 
         [0006]    Furthermore, the first elastic contact piece is a first elastic plate; the first elastic plate and the first electrode piece are disposed to be connected by welding or clamping. 
         [0007]    Furthermore, one end of the battery away from the atomizer disposes an atomizer control switch; the atomizer control switch electrically connects with the corresponding electrodes of the atomizer and the battery respectively to control the power on or power off of the atomizer; the atomizer control switch faces a second electrode of the battery; between the second electrode of the battery and the atomizer control switch disposes a second elastic contact piece to achieve electrically connection of the second electrode of the battery and the atomizer control switch by the second elastic contact piece. 
         [0008]    Furthermore, the second elastic contact piece is a second compression spring; one end of the atomizer control switch opposite to the battery extends toward the battery to from a second convex column operable to fix the second compression spring. 
         [0009]    Furthermore, the second elastic contact piece is a second elastic plate; the second elastic plate and the atomizer control switch are disposed to be connected by welding or clamping. 
         [0010]    Furthermore, the electronic cigarette further comprises a main rod body of which internal is hollow; the first electrode piece is supported and fixed in the main rod body by a first fixing seat. 
         [0011]    Furthermore, a central of the first fixing seat has a first fixing hole longitudinally running through a top wall and a bottom wall thereof; the first electrode piece is fixed in the first fixing hole; an inner wall of the first fixing hole radially extends inward the first fixing hole to form a first convex edge; an outer wall of the first electrode piece corresponding to the first convex edge disposes a first latching slot being concave. 
         [0012]    Furthermore, the first fixing seat is made of conductive material and is mutually insulated from the first electrode piece; the first fixing seat is electrically connected with the atomizer control switch. 
         [0013]    Furthermore, the main rod body comprises a battery rod and an inhalation rod which are mutually abutted; the battery is disposed in the battery rod; the atomizer is disposed in the inhalation rod; one end of the inhalation rod abutting with the battery rod corresponding to the first electrode assembly disposes a second electrode assembly. 
         [0014]    Furthermore, the second electrode assembly comprises a second electrode piece and a second fixing seat; both the second electrode piece and the second fixing seat are made of conductive material and mutually insulated from each other; the second electrode piece connects with and a first end of the heating wire to form a first electrode of the atomizer; the second fixing seat connects with a second end of the heating wire to form a second electrode of the atomizer; the second electrode piece and the second fixing seat are matchingly abutted with the first electrode piece and the first fixing seat respectively. 
         [0015]    Furthermore, a central of the second fixing seat defines a second fixing hole longitudinally running through a top wall and a bottom wall; the second electrode piece is fixed in the second fixing hole; an inner wall of the second fixing hole radially extends inward the second fixing hole to form a second convex edge; an outer wall of the second electrode piece corresponding to the second convex edge disposes a second latching slot being concave. 
         [0016]    Furthermore, facing ends of the battery rod and the inhalation rod correspondingly dispose a first connection member and a second connection member which are mutually matched; the first fixing seat is disposed at end portion of one end of the battery rod abutting to the inhalation rod and forms the first connection member; the second fixing seat is disposed at end portion of one end of the inhalation rod abutting to the battery rod and forms the second connection member. 
         [0017]    Furthermore, one end of the first fixing seat toward the second fixing seat disposes a fixing groove for a corresponding end of the second fixing seat to be inserted and fixed in the second fixing seat; one end of the second fixing seat being inserted in the first fixing seat disposes a boss fitting with an inner contour of the fixing groove to be clamped in the fixing groove. 
         [0018]    Furthermore, end portion of one end of the main rod body corresponding to the atomizer control switch disposes a cover body; the atomizer control switch is fixed on the cover body. 
         [0019]    The advantage of the embodiment of the present invention are: by disposing a first elastic contact piece between the first electrode of the battery and the first electrode piece, and disposing a second elastic contact piece between the battery and the atomizer control switch, achieves electrical connection among the battery, the atomizer and the atomizer control switch by the elastic abutting; the processing technology is simple, and with high reliability. 
         [0020]    Embodiments of the present invention will be further described in detail in the following drawings. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0021]      FIG. 1  is a perspective view of an electronic cigarette according to a first embodiment of the present invention. 
           [0022]      FIG. 2  is a sectional structural schematic view of the electronic cigarette according to the first embodiment of the present invention. 
           [0023]      FIG. 3  is a perspective view of an electronic cigarette according to a second embodiment of the present invention. 
           [0024]      FIG. 4  is an exploded, isometric view of the electronic cigarette according to the second embodiment of the present invention. 
           [0025]      FIG. 5  is a sectional structural schematic view of the electronic cigarette according to the second embodiment of the present invention. 
           [0026]      FIG. 6  is a sectional structural schematic view of a battery rod of the electronic cigarette according to the second embodiment of the present invention. 
           [0027]      FIG. 7  is a perspective view of a first electrode piece of the electronic cigarette according to an embodiment of the present invention. 
           [0028]      FIG. 8  is a sectional structural schematic view of an inhalation rod of the electronic cigarette according to the second embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0029]    Referring to  FIG. 1  to  FIG. 8 , an embodiment of the present invention provides an electronic cigarette, including a main rod body  100  and various internal components disposed in the main rod body  100 . 
         [0030]    Referring to  FIG. 2 , an internal of the main rod body  100  is hollow to form accommodating chambers for the various internal components, and the shape of the main rod body  100  is preferably disposed as tube structure with a circular cross-section same to a shape of real cigarette to strengthen simulation of the electronic cigarette. Certainly, the main rod body  100  also may be disposed as cylindrical structure with the cross-section being polygonal or other combined shape according to design needs to enrich the external shape of the electronic cigarette. In the embodiment, the main rod body  100  specifically may be made of materials such as metal, plastic, paper, wood and etc., and an outer surface of the main rod body  100  also may be pasted a sticker printed with a real cigarette pattern to further improve simulation of the electronic cigarette and enhance hand feeling. 
         [0031]    Referring to  FIG. 2  and  FIG. 5 , the main rod body  100  disposes an atomization device  20  and a battery  30  therein. The atomization device  20  is used to vaporize e-liquid to aerosol for users smoking. The battery  30  electrically connects with the atomization device  20  to supply power to the atomization device  20 . 
         [0032]    Referring to  FIG. 8 , the atomization device  20  includes a liquid-storage member  21 , an atomizer  22 , an atomization seat  23  and an atomization cover  24 . 
         [0033]    The liquid-storage member  21  is capable of absorbing and storing e-liquid, therefore is used to absorb and store e-liquid to facilitate the atomizer  22  to vaporize the e-liquid subsequently. In the embodiment, the liquid-storage member  21  may be made of materials capable of absorbing and storing liquid such as fiberglass, non-woven fabric, wood pulp fiber, chemical fiber, polyvinyl alcohol, high temperature cotton, chemical fiber cotton, mixed cotton, liquid-absorbing cotton, nickel foam and etc. 
         [0034]    In the embodiment, the liquid-storage member  21  is disposed as hollow tube structure to match with the main rod body  100 , and coaxially disposed with main rod body  100 . 
         [0035]    Continuing referring to  FIG. 8 , in the embodiment, the liquid-storage member  21  is supported and fixed between the atomization seat  23  and the atomization cover  24  by a supporting tube  25 . The central of the supporting tube  25  forms an atomization chamber  251  operable to conduct air path and accommodate the atomizer  22 . 
         [0036]    The atomizer  22  is used to vaporize e-liquid to aerosol. In the embodiment, the atomizer  22  is composed of a heating wire  221  and an atomization rod  222 . The heating wire  221  winds on the atomization rod  222 . The atomization rod  222  is supported and fixed in an internal of the liquid-storage member  21  to absorb the e-liquid in the liquid-storage member  21  for the heating wire  21  to heat and vaporize the e-liquid. 
         [0037]    In the embodiment, the atomization rod  222  is disposed as cylindrical shape, and may be made of fiberglass or other high temperature resistance fiber materials capable of absorbing liquid. 
         [0038]    The atomization rod  222  is radially disposed in the supporting tube  25 . On a sidewall of the supporting tube  25  correspondingly defines a latching opening  252  radially through the sidewall. Two ends of the atomization rod  222  extend out of the supporting tube  25  from the latching opening  252  and abut with an inner wall of the liquid-storage member  21 , then absorb the e-liquid in the liquid-storage member  21  to supply the heating wire  221  to heat and vaporize. When specifically disposed, in order to avoid the atomization rod  222  axially moving in the supporting tube  25 , an external of the supporting tube  25  may further be sheathed with a positioning tube disposed above or below the atomization rod  222 . 
         [0039]    Since temperature of the heating wire  221  is high when power on and vaporizing e-liquid, and to enhance service life and heat resistance of the liquid-storage member  21 , in the embodiment, between the liquid-storage member  21  and the supporting tube  25  may be further sheathed with a heat-insulation member which is made of materials capable of high temperature resistance and absorbing liquid, to enhance the protection of the liquid-storage member  21 . 
         [0040]    In the embodiment, both the atomization seat  23  and the atomization cover  24  are made of rubber materials capable of having a certain elastic deformation such as silicone, and an outer contour of the atomization seat  23  and the atomization cover  24  matches with an inner contour of the main rod body  100  and preferably disposed as interference fit. Both the atomization seat  23  and the atomization cover  24  are tensioningly fixed in the main rod body  100  by using outer walls thereof to make the liquid-storage member  21  hermetically fixed in the main rod body  100 . Referring to  FIG. 8 , a central of the atomization seat  23  and the atomization cover  24  correspondingly disposes a first air vent  231  and a second air vent  241  respectively to communicate with the atomization chamber  251  to conduct the air path. Meanwhile, a sidewall of the atomization seat  23  further axially defines a first threading hole  232  and a second threading hole  233  respectively for two ends of the heating wire  221  passing through. 
         [0041]    Referring to  FIG. 2  and  FIG. 5 , between the atomization device  20  and the battery  30  disposes a first electrode assembly  40 . The first electrode assembly  40  electrically connects with positive and negative electrodes of the atomizer  22  and the battery  30  respectively, thus to achieve electrical connection between the atomizer  22  and the battery  30 . One end of the battery  30  away from the atomizer  22  disposes an atomizer control switch  50 . The atomizer control switch  50  electrically connects with the corresponding electrodes of the atomizer  22  and the battery  30  respectively to control the power on or power off of the atomizer  22 . 
         [0042]    Referring to  FIG. 6 , the positive and negative electrodes of the battery  30  are respectively disposed at two opposite ends of the battery  30 . The first electrode assembly  40  includes a first electrode piece  41 . The first electrode piece  41  faces a first electrode  31  of the battery  30 . Between the first electrode  31  of the battery  30  and the first electrode piece  41  disposes a first elastic contact piece to achieve electrical connection of the first electrode  31  of the battery  30  and the first electrode piece  41  by the first elastic contact piece. 
         [0043]    In the embodiment, the first elastic contact piece is specifically disposed as a first compression spring  61 . The battery  30  elastically abuts with the first electrode piece  41  by the first compression spring  61  to achieve electrically connect with the first electrode piece  41  by the first compression spring  61 . In order to preferably firm the first compression spring  61 , one end of the first electrode piece  41  facing to the battery  30  extends toward the battery  30  to from a first convex column  411  operable to fix the first compression spring  61 . As an alternative embodiment, the first elastic contact piece may also be disposed as a first elastic plate (not shown). The first elastic plate and the first electrode piece  41  may be disposed to be connected by welding, clamping and etc. 
         [0044]    In the embodiment, the first electrode piece  41  is supported and fixed in the main rod body  100  by a first fixing seat  42 . Specifically, referring to  FIG. 6 , the first fixing seat  42  is tensioningly fixed in the main rod body  100 , and a central of the first fixing seat  42  has a first fixing hole longitudinally running through a top wall and a bottom wall thereof. The first electrode piece  41  is accommodated in the first fixing hole. An inner wall of the first fixing hole radially extends inward the first fixing hole to form a first convex edge  421 . An outer wall of the first electrode piece  41  corresponding to the first convex edge  421  disposes a first latching slot  412  which is concave. 
         [0045]    In the embodiment, the first fixing seat  42  is made of conductive material, which is electrically connected with the atomizer control switch  50  to achieve conduction of the circuit, and is mutually insulated from the first electrode piece  41  by a first insulation sleeve  43 . 
         [0046]    The atomizer control switch  50  faces a second electrode  32  of the battery  30 . Between the second electrode  32  of the battery  30  and the atomizer control switch  50  disposes a second elastic contact piece. Continue referring to  FIG. 6 , in the embodiment, the second elastic contact piece is specifically disposed as a second compression spring  62 . One end of the atomizer control switch  50  facing to the battery  30  extends toward the battery  30  to form a second convex column  51  operable to fix the second compression spring  62 . As an alternative embodiment, the second elastic contact piece also may be disposed as a second elastic plate. The second elastic plate and the atomizer control switch  50  may be disposed to be connected by welding, clamping and etc. 
         [0047]    Referring to  FIG. 1  to  FIG. 5 , end portion of one end of the main rod body  100  adjacent to the atomization device  20  disposes a mouthpiece  200 , and end portion of one end near the atomizer control switch  50  disposes a cover body  300  to encapsulate the electronic cigarette. The atomizer control switch  50  is fixed on the cover body  300 . In the embodiment, the atomizer control switch  50  may be disposed as a capacitive sensor switch, or be disposed as an airflow sensor switch, and or be disposed as a traditional key switch. 
         [0048]    The cover body  300  is further fixed with a light-emitting unit which is electrically connected with the atomizer control switch  50 . The light-emitting unit is controlled by the atomizer control switch  50  to turn on or turn off. In the embodiment, the light-emitting unit is disposed as a red emitting light, and then when users smoking the electronic cigarette, one end of the electronic cigarette away from the mouthpiece  200  forms a red light aperture similar to that of a real cigarette burning, and then improves the reality of visual sense for users. In order to make light of the light-emitting unit can be projected out, the whole or at least end surface of the cover body  300  is disposed as transparent or semitransparent. In the embodiment, the whole of the cover body  300  is made of transparent plastic material. 
         [0049]    Referring to  FIG. 4  and  FIG. 5 , in the embodiment, the main rod body  100  also may be disposed as separate structure formed by matching and abutting of a battery rod  101  and an inhalation rod  102 . The battery  30  is disposed in the battery rod  101 . The atomizer  22  is disposed in the inhalation rod  102 . One end of the inhalation rod  102  abutting with the battery rod  101  corresponding to the first electrode assembly  40  disposes a second electrode assembly  70  which is matching and electrically connected with the first electrode assembly  40 . 
         [0050]    The second electrode assembly  70  includes a second electrode piece  71  and a second fixing seat  72 . Both the second electrode piece  71  and the second fixing seat  72  are made of conductive material, and insulation between the second electrode piece  71  and the second fixing seat  72  is achieved by a second insulation ring  73 . In the embodiment, the second electrode piece  71  connects with a first end of the heating wire  221  to form a first electrode of the atomizer  22 . The second fixing seat  72  connects with a second end of the heating wire  221  to form a second electrode of the atomizer  22 . The second electrode piece  71  and the second fixing seat  72  are matching and electrically connected with the first electrode piece  41  and the first fixing seat  42  respectively. 
         [0051]    In the embodiment, a structure of the second electrode assembly  70  and the structure of the first electrode assembly  40  are basically the same, that is, a central of the second fixing seat  72  defines a second fixing hole longitudinally running through a top wall and a bottom wall thereof. The second electrode piece  71  is accommodated and fixed in the second fixing hole. An inner wall of the second fixing hole radially extends inward the second fixing hole to form a second convex edge. An outer wall of the second electrode piece  71  corresponding to the second convex edge disposes a second latching slot which is concave. A second insulation ring  73  is clamped and embedded between the second convex edge and the second latching slot. 
         [0052]    In order to make the battery rod  101  and the inhalation rod  102  be securely abutted, facing ends of the battery rod  101  and the inhalation rod  102  correspondingly dispose a first connection member and a second connection member which are mutually matched. In the embodiment, the first fixing seat  42  is disposed at end portion of one end of the battery rod  101  abutting to the inhalation rod  102  and forms the first connection member. The second fixing seat  72  is disposed at end portion of one end of the inhalation rod  102  abutting to the battery rod  101  and forms the second connection member. 
         [0053]    Specifically, referring to  FIG. 6  and  FIG. 8 , one end of the first fixing seat  42  toward the second fixing seat  72  disposes a fixing groove  422  for a corresponding end of the second fixing seat  72  being inserted and fixed in the second fixing seat  72 . One end of the second fixing seat  72  being inserted in the first fixing seat  42  disposes a boss  721  fitting with an inner contour of the fixing groove  422  to be inserted in the fixing groove  422 . An inner sidewall of the fixing groove  422  and an outer sidewall of the boss  721  correspondingly dispose mutually matched threads to achieve matching and abutting between the inhalation rod  102  and the battery rod  101  by thread connection. As an alternative embodiment, the fixing groove  422  also may be disposed at the corresponding end of the second fixing seat  72 , while the corresponding end corresponding to the first fixing seat  42  disposes the boss  721  to insert in the fixing groove  422 . Meanwhile, the connection between the first fixing seat  42  and the second fixing seat  72  also may be disposed as clamping, inserting, magnetic connection and other connections. 
         [0054]    It is understood that, the electronic cigarette of the embodiment of the present invention is not limit to the embodiments shown in  FIG. 1  to  FIG. 8 , therein various technical features from embodiments may be combined to form new embodiments. 
         [0055]    Embodiments of the present invention is shown and described in the above-mentioned. Various improvement and modifications can be made to the embodiments by those skilled in the art without departing from the true spirit and scope of the disclosure. The scope of the present invention is defined by the appended claims and equivalents thereof.