Abstract:
An electronic cigarette is provided, which comprises a hollow jacket tube and a support tube, a heating component, an atomization component and a battery component provided in the jacket tube successively, it also comprises a cigarette holder cover, the cigarette holder cover and the jacket tube are connected by a fastener, the jacket tube, the cigarette holder cover and the support tube are in the same axis. The electronic cigarette of the present invention can prevent the cigarette holder cover popping up and avoid oil lead when smoking, as well as reducing the manufacturing cost.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    This non-provisional application claims priority under 35 U.S.C. §119(a) on Patent Application No. 201320043282.4 filed in P.R. China on Jan. 25, 2013, the entire contents of which are hereby incorporated by reference. 
       FIELD OF THE INVENTION 
       [0002]    The present invention relates to the field of electric technology, more particularly, relates to an electronic cigarette to prevent cigarette holder cover from popping up. 
       BACKGROUND OF THE INVENTION 
       [0003]    The cigarette holder cover of the electronic cigarette can pop from the jacket tube of the electronic cigarette due to the outside force, leading to be ingested by user when smoking the electronic cigarette. In order to avoid the occurrence of this situation, the cigarette holder cover is fixed at the interior of the jacket tube by adding glue between the cigarette holder cover and the jacket tube, and a seal is also provided for preventing the glue from penetrating into the tobacco bar. 
         [0004]    However, the disadvantageous of the above method are as follows: 1, the glue is harmful for human health; 2, the glue has a corrosive action on the jacket tube, resulting in brittle fracture, if the cigarette holder part is squeeze hard when smoking, the jacket tube will be cracking, resulting in oil leak and affecting the taste of smoking; 3, the manufacturing cost of the electronic cigarette is increased because the seal is expensive. 
       SUMMARY OF THE INVENTION 
       [0005]    The objective of the present invention is to provide an electronic cigarette which can prevent the cigarette holder cover from popping up, the electronic cigarette is harmless to human and the taste of smoking will be unaffected, and the manufacturing cost is lower, aiming at the above-mentioned drawbacks of the existing electronic cigarette comprising harmful glue, with the jacket tube easy to cracking and with high manufacturing cost. 
         [0006]    The technical solutions of the present invention for solving the technical problems are as follows: an electronic cigarette is provided, which comprises a hollow jacket tube and a support tube, a heating component, an atomization component and a battery component provided in the jacket tube successively, it also comprises a cigarette holder cover, the cigarette holder cover and the jacket tube are connected by a fastener, the jacket tube, the cigarette holder cover and the support tube are in the same axis. 
         [0007]    Advantageously, the cover cap of the cigarette holder cover is provided with a heave buckle, the inner wall of the jacket tube is provided with a recessed slot corresponding to the heave bucket, the heave bucket and the recessed slot are pressed fitly to form the fasten connection. 
         [0008]    Advantageously, below the cover cap of the cigarette holder cover also comprises a cover column, the cover column stretches along the inner spindle of the jacket tube and embeds into the jacket tube. 
         [0009]    Advantageously, the jacket tube is made of plastic material or metal material. 
         [0010]    Advantageously, the cigarette holder cover is made of any of the plastic material, wood material or rubber material. 
         [0011]    Advantageously, an insulation space is provided between the support tube and the jacket tube, the internal of the insulation space is provided with a piece of high-temperature cotton, forming a heat insulation sandwich layer. 
         [0012]    Advantageously, the support tube is made of any of the ceramic material, silicone material or plastic material. 
         [0013]    Advantageously, a storage space is provided between the insulation space and the jacket tube, the internal of the storage space is provided with a piece of oil cotton. 
         [0014]    Advantageously, the atomization component is made of silicone material or/and polypropylene material. 
         [0015]    When implementing the electronic cigarette of the present invention, the following advantageous effects can be achieved: the cigarette holder cover and the jacket tube are connected by a fastener, the cigarette holder cover and the jacket tube are sealed by an interference fit without adding harmful glue and using expensive seal, enabling to prevent the cigarette holder cover from popping off the jacket tube, and the jacket tube is not easy to crack, then the oil leak will be prohibited and the taste of smoking will be unaffected. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0016]    The present invention will be further described with reference to the accompanying drawings and embodiments in the following, in the accompanying drawings: 
           [0017]      FIG. 1  is a schematic drawing for a electronic cigarette according to a preferred embodiment of the present invention; 
           [0018]      FIG. 2  is a schematic drawing for a cigarette holder cover of  FIG. 1 ; 
           [0019]      FIG. 3  is a left view for a cigarette holder cover of  FIG. 2 ; 
           [0020]      FIG. 4  is a front view for a jacket tube of  FIG. 1 ; and 
           [0021]      FIG. 5  is a plan view for a jacket tube of  FIG. 1 . 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0022]    As shown in  FIG. 1 , an electronic cigarette is provided according to a preferred embodiment of the present invention, which comprises a jacket tube  100 , a cigarette holder cover  110 , a support tube  120 , a heating component  130 , an atomization component  140  and a battery component  150 . In the embodiment, the cigarette holder cover  110 , the support tube  120 , the heating component  130 , the atomization component  140  and the battery component  150  are mounted in the jacket tube  100 , the structure of the jacket tube  100  is substantially hollow cylindrical, the cigarette holder cover  110 , the support tube  120 , the heating component  130 , the atomization component  140  and the battery component  150  are connected successively. Wherein, the jacket tube  100  is made of plastics such as polycarbonate, PP, PC, PVC, ABS, etc., or made of metals such as stainless steel, copper, steel, aluminum or paper or wood material. The cigarette holder cover  110  is made of plastics such as ABS, PC, PP, PVC, POM, PE, etc., or made of flexible glues such as silicone, rubber, TPU, TPV, TPR flexible material. The support tube  120  is made of heat resisting non-conducting materials such as ceramics, HuangNa (PVC varnished glass fiber) etc., the support tube  120  can be a ceramic tube, a fiberglass tube, a silicone tube or a plastic tube. The heating component  130  comprises a heating wire connected with the battery component  150 , the heating wire is laterally installed on the support tube  120 , the support tube  120  is communicated with the atomization component  140 . The atomization component  140  comprises an atomization seat  141  connected with the support tube  120  and an atomization support  142  used to support the atomization seat  141 , the atomization seat  141  is made of silicon or other flexible material, the atomization support  142  is made of polypropylene or other plastic material. The battery component  150  comprises a battery  151  used to provide electric power for the heating component  130  and a PCB board component  152  for installing the supply circuit. 
         [0023]    The electronic cigarette of the present invention comprises multiple support tubes  120  connected successively between the atomization component  140  and the cigarette holder cover  110 , wherein one of the support tubes  120  is connected with the cigarette holder cover  110  and another is used to fix the heating component  130 . 
         [0024]    In the embodiment, the cigarette holder cover  110  and the jacket tube  100  are in fasten connection to prevent the cigarette holder cover  110  popping from the jacket tube  100  and ingested by user, the cover cap (not shown in  FIG. 1 ) of the cigarette holder cover  110  is provided with a heave buckle (not shown in  FIG. 1 ), the inner wall of the jacket tube  100  is provided with a recessed slot (not shown in  FIG. 1 ), the heave bucket and the recessed slot are pressed fitly to form the fasten connection. When the cigarette holder cover  110  is crammed into the jacket tube  100 , the heave buckle (not shown in  FIG. 1 , refer to  FIG. 2  or  3 ) of the cigarette holder cover  110  will be clipped into the recessed slot (not shown in  FIG. 1 , refer to  FIG. 4  or  5 ) of the soft jacket tube  100 , the cigarette holder cover  110  made of flexible material is interference-fitted to the jacket tube  100 , so that the inner wall of the jacket tube  100  of the electronic cigarette can be sealed with sealing rings or glues which may corrode the jacket tube  100  and may be harmful to human health. 
         [0025]    In the embodiment, the jacket tube  100 , the cigarette holder cover  110  and the support tube  120  are in the same axis, namely they are set in a coaxial line, a storage space (not shown in  FIG. 1 ) is provided between the support tube  120  and the jacket tube  100 , a piece of oil cotton is provided along the axis of the storage space and around the inner wall of the jacket tube  100 . The atomization component  140  comprises an atomization seat  141  and an atomization support  142 , the atomization seat  141  with an air inlet is communicated with the support tube  120 , the heating component  130  installed on the support tube  120  comprises a leading oil component, the oil cotton is connected with the leading oil component. When the battery component  150  is energized, the heating component  130  of the electronic cigarette of the present invention is in the gas-flow access, making the tobacco bar burning and producing a lot of smoke, the burning smoke will enter the respiratory organs through the atomization component  140 , the support tube  120  and the cigarette holder cover  110  successively. 
         [0026]    In the embodiment, the smoke temperature is higher due to the tobacco bar burning, an insulation space (not shown in  FIG. 1 ) is provided between the support tube  120  and the storage space to avoid the heating transmission from the internal components to the jacket tube  100 , along the axis of the insulation space and around the inner wall of the jacket tube  100  is provided with a piece of high-temperature cotton for forming a heat insulation sandwich layer. 
         [0027]    As shown in  FIG. 2 , in the electronic cigarette according to a preferred embodiment of the present invention, the cigarette holder cover  110  comprises a cover cap  111  and a cover column  112 . The cover cap  111  is provided with at least two heave buckles  113 , the shape of the heave buckles  113  can be set according to specific circumstances. 
         [0028]    As shown in  FIG. 3 ,  FIG. 3  is a left view for a cigarette holder cover  110  of  FIG. 2 , When the cigarette holder cover  110  is crammed into the jacket tube  100 , the heave buckles  113  of the cover cap  111  will be clipped into the recessed slot  101  (shown in  FIGS. 4 and 5 ) of the soft jacket tube  100 , an interference fit may be formed between the cigarette holder cover  110  made of flexible material and the jacket tube  100 , the cover column  112  extends along the axis in the jacket tube  100  and embeds into the jacket tube  120 , thus sealing the gap between the cigarette holder cover  110  and the support tube  120 . 
         [0029]    As shown in  FIG. 4 , in the electronic cigarette according to a preferred embodiment of the present invention, at least two recessed slots  101  are provided on the portion of the jacket tube  100  where is corresponding to the cover cap  111  of the cigarette holder cover  110 . The jacket tube  100  is substantially cylindrical, but the jacket tube  100  of the present invention is not limit to cylindrical shapes. 
         [0030]    As shown in  FIG. 5 ,  FIG. 5  is a plan view for a jacket tube  100  of  FIG. 4 , When the cigarette holder cover  110  is crammed into the jacket tube  100 , the at least two heave buckles  113  of the cigarette holder cover  110  will clip into the corresponding at least two recessed slots  101  of the soft jacket tube  100 , the cigarette holder cover  110  made of flexible material and the jacket tube  100  are interference-fitted, the cover column  112  embeds into the jacket tube  120 , and the cover column  112  is also used to seal the gap between the cigarette holder cover  110  and the support tube  120 . 
         [0031]    While the present invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the present invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the present invention without departing from its scope. Therefore, it is intended that the present invention not be limited to the particular embodiment disclosed, but that the present invention will include all embodiments falling within the scope of the appended claims.