Abstract:
An e-cigarette atomizer, and an atomizing assembly ( 30 ) thereof comprising: a holding frame ( 31 ) having an air channel in communication with a flue ( 202 ) and an end surface slot for accommodating a heating module ( 32 ); and the heating module ( 32 ) having a ceramic base body ( 321 ) and heating wires ( 322 ) wound on the ceramic base body ( 321 ). The heating wires ( 322 ) are electrically connected to the holding frame ( 31 ), and the ceramic base body ( 321 ) is a hollow microporous structure and is in communication with a liquid storage cavity ( 201 ). As a result of the design of an electrically conductive outer holding frame ( 313 ) and inner holding frame ( 311 ), the heating module ( 32 ) abuts and is electrically connected to the outer holding frame ( 313 ) and the inner holding frame ( 311 ) respectively; thereby, the structure is simplified and stability is improved.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
       [0001]    The present application is a Continuation Application of PCT application No. PCT/CN2015/072311 filed on Feb. 5, 2015, the contents of which are hereby incorporated by reference. 
     
    
     TECHNICAL FIELD 
       [0002]    The present invention relates to the technical field of electronic cigarettes, and in particular to an electronic cigarette atomizer. 
       BACKGROUND 
       [0003]    An electronic cigarette, also called an e-cigarette, is mainly used for smoking cessation and used as an alternative to cigarettes. The electronic cigarette is similar to a cigarette in appearance and smell, but generally does not contain tar, suspended particulates and other harmful components as contained in the cigarette, thereby producing no pervasive or swirling second-hand smoke. 
         [0004]    The electronic cigarette mainly consists of an atomizer and a power supply assembly. The atomizer generally comprises a liquid storage cavity, a heating wire, a heating wire support body (a liquid absorbing rope), positive and negative atomizer electrodes and the like. In a common electronic cigarette, the heating wire is wound on the heating wire support body to form a heating element. Therein, two ends of the heating wire are electrically connected with the positive and negative atomizer electrodes via through holes in a holding frame to implement heating operation. 
         [0005]    However, the connecting manner of the heating element leads to instability in energization. Specifically, it is troublesome to mount the heating wire and the positive and negative atomizer electrodes. The electronic cigarette atomizer is complicated in structure and inconvenient for fully-automatic production of the electronic cigarette atomizer. 
       SUMMARY 
       [0006]    A technical problem to be solved by the present invention is to overcome the above deficiencies in the prior art and provide an electronic cigarette atomizer, which is strong in stability, simple in structure and convenient for automatic production. 
         [0007]    A technical solution employed by the present invention to solve the technical problem thereof is to provide an electronic cigarette atomizer. The comprising an atomizing assembly, a smoke duct and a cigarette holder, the smoke duct comprising a liquid storage cavity for storing tobacco liquid and a flue, and being in a fitted mounting respectively with the atomizing assembly and the cigarette holder, wherein the atomizing assembly comprises: 
         [0008]    a holding frame, comprising an air channel communicated with the flue and end-surface slots for accommodating a heating module; and the heating module, comprising a ceramic base body and a heating wire wound on the ceramic base body, wherein the heating wire is electrically connected with the holding frame, and the ceramic base body is of a hollow micropore structure and is communicated with the liquid storage cavity. 
         [0009]    Therein, a preferred solution is as follows: the holding frame comprises an outer holding frame, a middle holding frame and an inner holding frame, the outer holding frame and the inner holding frame being conductive holding frames, and the middle holding frame being an insulating holding frame and nested between the outer holding frame and the inner holding frame for insulating and isolating the outer holding frame and the inner holding frame and sealing the liquid storage cavity. 
         [0010]    Therein, a preferred solution is as follows: two ends of the heating wire are electrically connected with the outer holding frame and the inner holding frame respectively, and the outer holding frame and the inner holding frame are provided with opposite electrodes. 
         [0011]    Therein, a preferred solution is as follows: the end-surface slots are respectively disposed at two sides of an end-surface for the outer holding frame, the middle holding frame and the inner holding frame, and are disposed on the same axis when the outer holding frame, the middle holding frame and the inner holding frame are in a fitted mounting. 
         [0012]    Therein, a preferred solution is as follows: the end-surface slots of the outer holding frame and the inner holding frame comprise a large end-surface slot and a small end-surface slot respectively, and the large end-surface slot of the outer holding frame and the small end-surface slot of the inner holding frame are disposed on the same side. 
         [0013]    Therein, a preferred solution is as follows: the end-surface slots are U-shaped slots. 
         [0014]    Therein, a preferred solution is as follows: the atomizing assembly also comprises an upper cover in a fitted mounting with the smoke duct; the upper cover comprises an upper cover through hole; the heating module is disposed between the upper cover and the holding frame; and the air channel is connected with the flue through the upper cover through hole. 
         [0015]    Therein, a preferred solution is as follows: the upper cover comprises an inner plastic pad, which is in a fitted mounting respectively with the heating module and the middle holding frame. 
         [0016]    Therein, a preferred solution is as follows: the heating module also comprises connecting terminals disposed at two ends of the ceramic base body, and the heating wire is connected with the connecting terminals and is electrically connected with the outer holding frame and the inner holding frame through the connecting terminals respectively. 
         [0017]    Therein, a preferred solution is as follows: the connecting terminals comprise terminal through holes fitted with the hollow micropore structure of the ceramic base body. 
         [0018]    The present invention has the advantageous effects that compared with the prior art, with the design of the outer and inner conductive holding frames in the present invention, the heating module is abutted against and electrically connected with the outer and inner holding frames respectively, thereby simplifying the structure of the electronic cigarette atomizer and increasing the stability of the electronic cigarette atomizer; moreover, with the middle holding frame and an inner plastic pad for sealing and isolating the heating module, the tightness of the electronic cigarette atomizer is improved; and the electronic cigarette atomizer is simple in structure and convenient to mount, thereby facilitating full-automatic production and increasing production efficiency. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0019]    The present invention will be further described below with reference to the attached drawings and the embodiments, in which: 
           [0020]      FIG. 1  is a cross-section schematic diagram of an electronic cigarette atomizer of the present invention; 
           [0021]      FIG. 2  is an exploded schematic diagram of the electronic cigarette atomizer of the present invention; 
           [0022]      FIG. 3  is a structural schematic diagram of a holding frame of the electronic cigarette atomizer of the present invention; 
           [0023]      FIG. 4  is a structural schematic diagram of a heating module of the electronic cigarette atomizer of the present invention; 
           [0024]      FIG. 5  is an exploded schematic diagram of the heating module of the electronic cigarette atomizer of the present invention; and 
           [0025]      FIG. 6  is a structural schematic diagram of the holding frame and heating module of the electronic cigarette atomizer of the present invention. 
       
    
    
     DETAILED DESCRIPTION 
       [0026]    Preferred embodiments of the present invention will now be described in detail with reference to the attached drawings. 
         [0027]    As shown in  FIG. 1  and  FIG. 2 , the present invention provides a preferred embodiment of an electronic cigarette atomizer to improve the stability of the electronic cigarette atomizer and facilitate fully-automatic production. Where,  FIG. 1  is a cross-section schematic diagram of the electronic cigarette atomizer, and  FIG. 2  is an exploded schematic diagram of the electronic cigarette atomizer. 
         [0028]    An electronic cigarette atomizer comprises an atomizing assembly  30 , a smoke duct  20  and a cigarette holder  10 . The smoke duct  20  comprises a liquid storage cavity  201  for storing tobacco liquid and a flue  202 , and is in a fitted mounting respectively with the atomizing assembly  30  and the cigarette holder  101 . The atomizing assembly  30  comprises a holding frame  31  and a heating module  32 . The holding frame  31  comprises an air channel communicated with the flue  202  and end-surface slots for accommodating the heating module  32 . The heating module  32  comprises a ceramic base body  321  and a heating wire  322  wound on the ceramic base body. The heating wire  322  is electrically connected with the holding frame  31 , and the ceramic base body  321  is of a hollow micropore structure and is communicated with the liquid storage cavity  201 . 
         [0029]    The ceramic base body  321  is communicated with the liquid storage cavity  201 . When a user smokes through the cigarette holder  10 , air in the ceramic base body  321  is driven and the tobacco liquid is made to flow into the hollow micropore structure of the ceramic base body  321 . Under this state, after the heating wire  322  is energized to heat, the tobacco liquid is heated and atomized into smoke, which passes through the ceramic base body  321  and flows into the air channel to pass through the flue  202  along with the air and flow out at the cigarette holder  10 . 
         [0030]    The flue  202  is preferably disposed in the center of the smoke duct  20 ; and an inner side wall of the smoke duct  20  and an outer side wall of the flue  202  form the liquid storage cavity  201 , specifically, the inner side wall of the smoke duct  20 , the outer side wall of the flue  202 , the inner side surface of the cigarette holder  10  and the atomizing assembly  30  form the liquid storage cavity  201 . 
         [0031]    The cigarette holder  10  comprises a cigarette holder cover  101  and a cigarette holder cap  102 , which also comprise cigarette holder ports communicated with the flue  202 . The cigarette holder cover  101  is used for sealing the liquid storage cavity  201  and connected with the flue  202 . The cigarette holder cover  101  also comprises a lateral groove for sealing a first seal ring  401  to improve the tightness of the liquid storage cavity  201 . The cigarette holder cap  102  is made of a plastic material to facilitate smoking. 
         [0032]    The electronic cigarette atomizer also comprises an adapter ring  50 , which is used for fixing the holding frame  31  and the smoke duct  20 , adapting other assemblies of the electronic cigarette atomizer and also wrapping the holding frame  31 . The holding frame  31  is used to prevent electric leakage. The adapter ring  50  comprises an air inlet to facilitate smoking. 
         [0033]    The air channel mainly refers to a hollow structure consisting of the adapter ring  50  and the holding frame  31 . The air channel is communicated with the flue  202 , the cigarette holder port and the air inlet, so that the air follows the air inlet into the air channel and drives the smoke which is atomized on the heating module  32  to enter an oral cavity of a human body from the cigarette holder port along the flue  202 . 
         [0034]    Further, with reference to  FIG. 3 , a preferred embodiment of the holding frame  31  is provided.  FIG. 3  is a structural schematic diagram of the holding frame of the electronic cigarette atomizer. 
         [0035]    The holding frame  31  comprises an outer holding frame  313 , a middle holding frame  312  and an inner holding frame  311 , which are in a fitted mounting from outside to inside. The outer holding frame  313  and the inner holding frame  311  are conductive holding frames. The middle holding frame  312  is an insulating holding frame and nested between the outer holding frame  313  and the inner holding frame  311  for insulating and isolating the outer holding frame  313  and the inner holding frame  311  and sealing the liquid storage cavity. 
         [0036]    Since the outer holding frame  313  and the inner holding frame  311  are conductive, two ends of the heating wire  322  are electrically connected with the outer holding frame  313  and the inner holding frame  311  respectively. The outer holding frame  313  and the inner holding frame  311  are provided with opposite electrodes. For example, a current flows to the heating wire  322  from the outer holding frame  313  and then flows to the inner holding frame  311  from the heating wire  322 , whereby the heating wire  322  heats after being energized. 
         [0037]    To guarantee the normal flowing of the current and prevent short circuiting, the present invention is implemented by the end-surface slots disposed in the holding frame  31 . Specifically, the end-surface slots are respectively disposed at two sides of an end-surface for the outer holding frame  313 , the middle holding frame  312  and the inner holding frame  311 . the end-surface is a side surface for accommodating the heating module  32 . Since the heating module  32  takes the shape of a cylinder, the end-surface slots are disposed on the same axis when the outer holding frame  313 , the middle holding frame  312  and the inner holding frame  311  are in a fitted mounting. Naturally, if the heating module  32  takes other shapes, the end-surface slots are disposed at corresponding positions. 
         [0038]    Further, the end-surface slots of the outer holding frame  313  and the inner holding frame  311  comprise a large end-surface slot and a small end-surface slot respectively. The large end-surface slot of the outer holding frame  313  and the small end-surface slot of the inner holding frame  311  are disposed on the same side. When the heating module  32  is placed on the holding frame  31 , at one side surface in which the large end-surface slot of the outer holding frame  313  and the small end-surface slot of the inner holding frame  311  are disposed. The ceramic base body  321  is clamped and sleeved on the small end-surface slot of the inner holding frame  311 . The heating wire  322  is electrically connected with the inner holding frame  311 . But, the large end-surface slot of the outer holding frame  313  cannot be connected with the ceramic base body  321 . The heating wire  322  is not electrically connected with the outer holding frame  313 ; and similarly. The heating wire  322  at the other side is connected with the outer holding frame  313 . Namely, one end of the heating wire  322  is electrically connected with the outer holding frame  313 , and the other end is electrically connected with the inner holding frame  311  to form an energization circuit. 
         [0039]    To facilitate the production and mounting of the heating module  32  and realize automatic mounting, the end-surface slots are preferably U-shaped slots. 
         [0040]    The outer holding frame  313  also comprises a threaded structure for fitted connection with an adapter ring  50 , a lateral groove for mounting a second seal ring  402  to improve the tightness of the liquid storage cavity  201 . The outer holding frame  313  is in a fitted mounting respectively with the adapter ring  50  to support the inner holding frame  312  and the inner holding frame  311 . 
         [0041]    With reference to  FIG. 4  and  FIG. 5 , a preferred embodiment of a heating module is provided.  FIG. 4  is a structural schematic diagram of the heating module of the electronic cigarette atomizer, and  FIG. 5  is an exploded schematic diagram of the heating module of the electronic cigarette atomizer. 
         [0042]    The heating module  32  also comprises connecting terminals  323  disposed on two ends of the ceramic base body  321 . The connecting terminals  323  comprise a first connecting terminal  3231  and a second connecting terminal  3232 , which are disposed at two sides. The ceramic base body  321  is abutted against the end-surface slots through the connecting terminals  323 . The connecting terminals  323  are conductors. The heating wire  322  is connected with the connecting terminals  323  and is electrically connected with the outer holding frame  313  and the inner holding frame  311  through the connecting terminals  323  respectively. 
         [0043]    The connecting terminals  323  comprise terminal through holes fitted with the hollow micropore structure of the ceramic base body  321 . The hollow micropore structure of the ceramic base body  321  is communicated with the liquid storage cavity  201  through the connecting terminals  323 . 
         [0044]    As shown in  FIG. 6 , the present invention provides a preferred embodiment for the mounting of the holding frame and heating module.  FIG. 6  is a structural schematic diagram of the holding frame and heating module of the electronic cigarette atomizer. 
         [0045]    When the heating module  32  is placed on the holding frame  31 , the first connecting terminal  3231  is connected with the small end-surface slot of the inner holding frame  311  and is energized with the inner holding frame  311 , and the second connecting terminal  3232  is connected with the small end-surface slot of the outer holding frame  313  and is energized with the outer holding frame  313 . 
         [0046]    In the present invention, the atomizing assembly  30  also comprises an upper cover  33  in a fitted mounting with the smoke duct  20 . The upper cover  33  comprises an upper cover through hole; the heating module  32  is disposed between the upper cover  33  and the holding frame  31 . The air channel is connected with the flue  202  through the upper cover through hole. 
         [0047]    The upper cover  33  comprises an inner plastic pad  331 , which is in a fitted mounting with the heating module  32  and the middle holding frame  312  respectively. An end section of the upper cover  33  is provided with a U-shaped slot fitted with the heating module  32  and the middle holding frame  312 . 
         [0048]    The end section of the upper cover  33  is in a fitted mounting with the flue  202 , and is locked and sealed through an O-shaped gasket  60  to prevent the tobacco liquid from flowing backward. 
         [0049]    In the present invention, an assembling process of the electronic cigarette atomizer is approximately as follows: first, the heating wire  322  is wound on the ceramic base body  321 ; next, the connecting terminals  323  are connected onto the ceramic base body  321 ; then the ceramic base body  321  together with the heating wire  322  and the connecting terminals  323  are mounted into the two end-surface slots of the holding frame  31  which is obtained by nesting the outer holding frame  313 , the middle holding frame  312  and the inner holding frame  311 . A power supply is mounted on the outer holding frame  313  and the inner holding frame  311  and is connected with the heating wire  322  (through the connecting terminals  323 ); and then, the upper cover  33 . The smoke duct  20 , the cigarette holder cover  101  and the adapter ring  50  are mounted to complete the mounting operation. An assembling sequence of the electronic cigarette atomizer may also be appropriately adjusted as required to facilitate the implementation of the full-automatic production. The description above shall not be construed as limiting the scope of the present invention but as merely providing preferred embodiments of the present invention. Any equivalent variations or modifications made based on the present invention application shall be encompassed by the present invention.