CN206595747U

CN206595747U - A kind of charging device and its shell applied to electronic cigarette

Info

Publication number: CN206595747U
Application number: CN201720327584.2U
Authority: CN
Inventors: 荣山学
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-30
Filing date: 2017-03-30
Publication date: 2017-10-27
Anticipated expiration: 2027-03-30

Abstract

The utility model is related to electronic cigarette technical field there is provided a kind of charging device and its shell applied to electronic cigarette, and charging device shell includes main casing, and main casing has the charging chamber being used for for the grafting chamber of tobacco rod grafting and for disposing charging structure；Charging device shell also includes the position limiting structure for being used to being limited in the inserted terminal of tobacco rod into grafting chamber.The tobacco rod of electronic cigarette inserts the grafting chamber of main casing, the inserted terminal of tobacco rod is electrically connected with charging structure, charged with for tobacco rod, and tobacco rod is limited in the grafting chamber of main casing by the position limiting structure of charging device shell securely, so, when charging device housing tilt or during in vibration environment, avoid making tobacco rod produce loosening connection with charging device shell and causing generation discontinuity between tobacco rod and charging structure to dock, tobacco rod and charging structure loose contact are caused, tobacco rod charging reliability is improved.

Description

A kind of charging device and its shell applied to electronic cigarette

Technical field

The utility model belongs to electronic cigarette technical field, more specifically, is to be related to a kind of charging applied to electronic cigarette Device and its shell.

Background technology

The tobacco rod of electronic cigarette is divided into soup stick and power supply bar, and soup stick and power supply bar are generally together by a threaded connection.It is existing Charging device include shell and in shell and for for electronic cigarette charge charging structure, charging when, generally will Power supply bar inserts shell and is electrically connected with charging structure, and then realizes to the charging of power supply bar.But, when charging device tilt or When person is in vibration environment, power supply bar easily loosens with cage connection and causes power supply bar to be connected with charging structure discontinuity, that is, makes Into power supply bar and charging structure loose contact, the charging failure of power supply bar is in turn resulted in.

Utility model content

The purpose of this utility model is to provide a kind of charging device and its shell applied to electronic cigarette, existing to solve There is the technical problem that tobacco rod easily loosens with cage connection in technology.

To achieve the above object, the technical solution adopted in the utility model is：A kind of charging device shell is provided, for supplying The tobacco rod grafting of electronic cigarette coordinates, and the charging structure for being charged for the electronic cigarette is mounted with the charging device shell. The charging device shell includes main casing, and the main casing, which has, to be used for for the grafting chamber of the tobacco rod grafting and for pacifying Put the charging chamber of the charging structure；

The charging device shell also includes the spacing knot for being used to being limited in the inserted terminal of the tobacco rod into the grafting chamber Structure.

Further, the position limiting structure includes the fastener being connected with the main casing, and the tobacco rod is in its lateral wall Neck is offered, the fastener is engaged by clamping with the neck；

The position limiting structure also includes being opened in the grafting chamber cavity wall and extruded for storing by the tobacco rod lateral wall The receiving hole of the fastener of flexural deformation laterally, the connection end of the fastener is connected with the receiving hole hole wall, institute The joint end of fastener is stated towards grafting chamber inner side and is extended towards the grafting chamber accent direction.

Further, the fastener includes the extension board being connected with the receiving hole hole wall and located at the extension board It is located at the card convex of elongated end in plate face, the card convex is locked in neck.

Further, the position limiting structure also includes the spacing tangent plane in the grafting chamber, the spacing tangent plane edge The grafting chamber length direction extension, the tobacco rod lateral wall is provided with the binding face fitted with the spacing tangent plane.

Further, the position limiting structure also includes being opened in the stopper slot of the grafting chamber cavity wall, the tobacco rod and its Lateral wall is provided with spacing preiection；Or

The position limiting structure also includes the spacing preiection located at the grafting chamber cavity wall, and the tobacco rod is opened up in its lateral wall Limited location groove；

The spacing preiection is plugged in the stopper slot.

Further, the cross section ovalisation of the tobacco rod, the grafting chamber and the profile of the tobacco rod match.

Further, the charging device shell also includes dividing plate, and the dividing plate is connected in the main casing, it is described every Plate is located between the grafting chamber and the charging chamber, and the charging structure is placed in the charging chamber and worn to the grafting Chamber.

Further, the grafting end of the tobacco rod has arc surface, and the grafting chamber terminal part is provided with and the circular arc The positioning arc surface that face matches.

Further, the position limiting structure also include located at the grafting chamber cavity wall raised line, the raised line at least provided with There is one, any raised line all extends along the length direction of the grafting chamber, the lateral wall of the tobacco rod is connected to each described Raised line.

The utility model also provide a kind of charging device applied to electronic cigarette, including charging device shell described above with And it is placed in the charging structure in the charging device shell and for being charged for the electronic cigarette.

What the utility model was provided is applied to the charging device of electronic cigarette and its beneficial effect of shell：With existing skill Art is compared, and the tobacco rod of the utility model electronic cigarette inserts the grafting chamber of main casing, and the inserted terminal of tobacco rod electrically connects with charging structure Connect, charged with for tobacco rod, and tobacco rod is limited in the grafting chamber of main casing by the position limiting structure of charging device shell securely, this Sample, when charging device housing tilt or during in vibration environment, it is to avoid make tobacco rod produce to loosen with charging device shell and be connected And cause generation discontinuity between tobacco rod and charging structure to dock, that is, tobacco rod and charging structure loose contact are caused, cigarette is improved Bar charging reliability.

Brief description of the drawings

, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the stereogram for the charging device that the utility model embodiment is provided；

Fig. 2 is sectional views of the Fig. 1 along center line A-A；

Fig. 3 is the sectional view of another angle of charging device shell in Fig. 1；

Fig. 4 is the three-dimensional exploded view for the charging device that the utility model embodiment is provided；

Fig. 5 is the stereogram for the charging device shell that the utility model embodiment is provided；

Fig. 6 is the stereogram for another angle of charging device shell that the utility model embodiment is provided.

Wherein, each reference in figure：

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.

It should be noted that when element is referred to as on " being fixed on " or " being arranged at " another element, it can directly exist On another element or it may be indirectly secured to or be arranged on another element by third member.When an element quilt Another element referred to as " is connected to ", it can be directly to another element or it may be indirect by third member It is connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning are necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

Fig. 1 to Fig. 3 is referred to, the utility model provides a kind of charging device shell 200, the tobacco rod for supplied for electronic cigarette 100 grafting coordinate, and 100 points of tobacco rod is power supply bar 110 and soup stick 120, and power supply bar 110 is docking together with soup stick 120, charging dress Put the charging structure 300 for being mounted with and being charged for the power supply bar 110 for tobacco rod 100 in shell 200.Charging device shell 200 is wrapped Main casing 210 is included, main casing 210, which has, to be used for for the grafting chamber 201 of the grafting of tobacco rod 100 and for disposing charging structure 300 Charging chamber 202.

Charging device shell 200 also includes the position limiting structure for being used to being limited in the inserted terminal of tobacco rod 100 into grafting chamber 201.

In the present embodiment, the tobacco rod of electronic cigarette inserts the grafting chamber 201 of main casing 210, and the inserted terminal of tobacco rod 100 is with filling Electric structure 300 is electrically connected with, and is charged with for tobacco rod 100, and the position limiting structure of charging device shell 200 is firm by tobacco rod 100 Ground is limited in the grafting chamber 201 of main casing 210, so, when charging device shell 200 is tilted or during in vibration environment, keeps away Exempt to make tobacco rod 100 and charging device shell 200 produce loosening connection and cause between producing between tobacco rod 100 and charging structure 300 Disconnected property docking, that is, cause tobacco rod 100 and the loose contact of charging structure 300, improves the charging reliability of tobacco rod 100.

Certainly, in the present embodiment, when electronic cigarette charges, power supply bar 110 is with soup stick 120 without dismounting.

Further, Fig. 2 to Fig. 4 is referred to, position limiting structure includes the fastener 220 being connected with main casing 210, tobacco rod 100 offer neck 101 in its lateral wall, and fastener 220 is engaged by clamping with neck 101.

Position limiting structure also includes being opened in the cavity wall of grafting chamber 201 and is pressed against outside by the lateral wall of tobacco rod 100 for storing The receiving hole 204 of the fastener 220 of flexural deformation, the connection end of fastener 220 is connected with the hole wall of receiving hole 204, fastener 220 Joint end towards the inner side of grafting chamber 201 and towards the extension of the accent direction of grafting chamber 201.

In the present embodiment, it is engaged by clamping, tobacco rod 100 can be limited by the neck 101 of fastener 220 and tobacco rod 100 System makes tobacco rod 100 not move axially in grafting chamber 201；Receiving hole 204 is square, and can be the through hole of inside and outside insertion, also may be used Think non-penetrating groove, the flexible deformation of fastener 220, the connection end of fastener 220 is connected to the hole wall of receiving hole 204, When tobacco rod 100 inserts grafting chamber 201 from the accent of grafting chamber 201, the joint end of fastener 220 is extruded and direction by tobacco rod 100 The direction flexural deformation of receiving hole 204 is simultaneously placed in receiving hole 204, when the grafting of tobacco rod 100 in place when, the clamping of fastener 220 Hold and acted on by the screen resilience of fastener 220, face away from the direction resilience of receiving hole 204 and be engaged by clamping with neck 101, and then make Tobacco rod 100 can not be moved axially.

Further, refer to Fig. 2 and Fig. 3, fastener 220 include the extension board 221 that is connected with the hole wall of receiving hole 204 with And it is located at the card convex 222 of elongated end in the plate face of extension board 221, card convex 222 is locked in neck 101.So, tobacco rod 100 Grafting chamber 201 can not be departed from, and then improve the reliability that tobacco rod 100 coordinates with the grafting of main casing 210.

Further, Fig. 2, Fig. 3 and Fig. 6 are referred to, position limiting structure also includes the spacing tangent plane in grafting chamber 201 203, spacing tangent plane 203 extends along the length direction of grafting chamber 201, and the lateral wall of tobacco rod 100 is provided with the patch fitted with spacing tangent plane 203 Conjunction face 102.Thus it is possible, on the one hand, can be prevented effectively from tobacco rod 100 produces rotation in grafting chamber 201, tobacco rod 100 is further improved The reliability coordinated with the grafting of main casing 210；On the other hand, realize that the positioning of tobacco rod 100 is plugged in grafting chamber 201, and then improve The grafting efficiency of tobacco rod 100.

In the present embodiment, spacing tangent plane 203 and the facing setting of fastener 220.

Alternatively, position limiting structure also includes the stopper slot (not shown) for being opened in the cavity wall of grafting chamber 201, Tobacco rod 100 is provided with spacing preiection (not shown) with its lateral wall；Or position limiting structure also includes being located at the cavity wall of grafting chamber 201 Spacing preiection (not shown), tobacco rod 100 is in the stopper slot (not shown) of its lateral wall；Spacing preiection is plugged in limit Position groove.So, the grafting of spacing preiection and stopper slot coordinates, on the one hand, can be prevented effectively from tobacco rod 100 and be produced in grafting chamber 201 Rotate, further improve the reliability that tobacco rod 100 coordinates with the grafting of main casing 210；On the other hand, realize that tobacco rod 100 is positioned Grafting chamber 201 is plugged in, and then improves the grafting efficiency of tobacco rod 100.

When stopper slot is opened in 201 cavity wall of grafting chamber, length direction of the stopper slot along grafting chamber 201 extends and extended to The accent of grafting chamber 201, so, during the insertion grafting chamber 201 of tobacco rod 100, spacing preiection inserts in stopper slot and along the extension of stopper slot Direction is slided until card convex 222 is locked to neck 101；When stopper slot is opened in 100 lateral wall of tobacco rod, stopper slot is along tobacco rod 100 length directions extend and extend to the inserted terminal of tobacco rod 100, so, and during the insertion grafting chamber 201 of tobacco rod 100, spacing preiection is inserted Slided in stopper slot and along the bearing of trend of stopper slot until card convex 222 is locked to neck 101.

Further, the cross section ovalisation of tobacco rod 100, grafting chamber 201 and the profile of tobacco rod 100 match.So, It is more efficient to avoid tobacco rod 100 from being rotated in grafting chamber 201, make no matter charging device is under any environment to tobacco rod 100 Charged, tobacco rod 100 is departed from main casing 210, more improve the charging reliability of tobacco rod 100.

Further, Fig. 2 to Fig. 6 is referred to, charging device shell 200 also includes dividing plate 230, and dividing plate 230 is connected to master In housing 210, dividing plate 230 is between grafting chamber 201 and charging chamber 202, and charging structure 300 is placed in charging chamber 202 and worn To grafting chamber 201.

In the present embodiment, charging structure 300 include the first circuit board 310 that can be powered and with first circuit board 310 The charging needle 320 of electric connection, charging needle 320 is provided with four, and each one end of charging needle 320 electrically connects with first circuit board 310 Connect, the other end through dividing plate 230 and can elastic telescopic, the inserted terminal of tobacco rod 100 is provided with electric with the telescopic end of any charging needle 320 Property docking pin 130, with spring of the prior art with shell fragment docking carry out charging compared with, axle of the charging needle 320 along itself Telescopicing performance of the telescopicing performance of line than spring along the axis of its own is more stablized, and then more raising tobacco rod 100 charges more Plus stably, reliably.

Dividing plate 230 offers and wears mouth 231 for what each charging needle 320 was worn, and the connection end of each charging needle 320 is fixed on first Circuit board 310, in the present embodiment, the connection end of each charging needle 320 are welded in first circuit board 310, and first circuit board 310 is consolidated Due in charging chamber 202.

In the present embodiment, lateral wall corresponding with charging chamber 202 in main casing 210 offers allocation mouth 205, disposes Mouth 205 is connected with charging chamber 202.So, it is easy to the quickly placement of charging structure 300.

The lateral wall corresponding with grafting chamber 201 offers observation panel 206 in main casing 210, and observation panel 206 is opened in slotting Connect the grafting end of chamber 201 and connected with grafting chamber 201.So, it is easy to observe each charging needle 320 and docks situation with pin 130, Ensure that charging is effective.

In the present embodiment, charging structure 300 also includes second circuit board 330 and charge connector 340, second circuit board 330 are electrically connected with and are fixed in charging chamber 202 with first circuit board 310, and charge connector 340 connects with second circuit board 330 Connect and its one end be fixedly arranged in second circuit board 330 away from first circuit board 310 end, the other end from charging the cavity wall of chamber 202 Wear to the outside of main casing 210.

In the present embodiment, the fixed form of first circuit board 310 is that first circuit board 310 is consolidated with second circuit board 330 Fixed connection, and be fixed on by second circuit board 330 in charging chamber 202 and realize and fix, first circuit board 310 and second circuit Plate 330 is mutually perpendicular to, certainly, and first circuit board 310 can be integrally formed with second circuit board 330.

Charging device shell 200 also include be connected to charging the cavity wall of chamber 202 fixed column 240, fixed column 240 at least provided with There are two, second circuit board 330 is fixedly connected on any top of fixed column 240 by connector, realizes second circuit board 330 It is fixed.

In the present embodiment, the second fixed column 240 is provided with two, and second circuit board 330 is fastenedly connected by screw The top of fixed column 240.

In the present embodiment, charging device shell 200 also includes connecting any fixed column 240 and the charging cavity wall of chamber 202 The second gusset 260 between two fixed columns 240 of first gusset 250 and connection, the second gusset 260 is connected to the charging chamber of chamber 202 Wall.So, the support strength and support stiffness of each fixed column 240 can be improved by the first gusset 250, passes through the second gusset 260 Constant distance between two fixed columns 240 can be made, the security that second circuit board 330 is fixed is improved.

In the present embodiment, first circuit board 310 offers two L-type bayonet sockets 311, two L-type bayonet sockets 311 in its outer edge Back to setting, charging chamber 202 is in card tangent plane 207 of its cavity wall provided with two facing and parallel settings, each card tangent plane 207 Extend at allocation mouth 205, any L-type bayonet socket 311 along a card tangent plane 207 insertion charging chamber 202 and is locked to allocation mouth respectively At 205.So, it can effectively prevent first circuit board 310 from rotating, improve its stability.

Alternatively, charging device shell also includes being used for first circuit board 310 is limited in into charging chamber 202 Retaining structure (not shown), so, first circuit board 310 are just securable to the chamber 202 that charges.

Specifically, retaining structure includes the screens groove located at the charging cavity wall of chamber 202, the bearing of trend and main casing of screens groove 210 axis is vertical, and the edges of boards of first circuit board 310 insert in screens groove.So, the limit of the axis direction of first circuit board 310 is realized Position.

Retaining structure also includes being opened in the socket of the edge of first circuit board 310 and is located at socket grafting with merging The tongue for the cavity wall of chamber 202 that charges.So, realize first circuit board 310 along itself axial rotation.When the edges of boards of first circuit board 310 When inserting in screens groove, socket and the tongue grafting of first circuit board 310 coordinate, and realize the axial direction of first circuit board 310 and circumferential limit Position, that is, fix first circuit board 310.

Main casing 210 in the accent of grafting chamber 201 back to end face offer for for extraneous power supply and charging connection The charging hole 208 that device 340 is electrically connected with, charging hole 208 is connected with charging chamber 202, and the end of charge connector 340, which is arranged in, to be filled Electric hole 208.

Charging structure 300 also includes the battery (not shown) located at charging chamber 202, battery and first circuit board 310 It is electrically connected with, or is electrically connected with second circuit board 330.The battery is lithium battery, to store electricity and supply tobacco rod 100 Charging.

Further, Fig. 2 to Fig. 6 is referred to, the grafting end of tobacco rod 100 has arc surface 103, the terminal of grafting chamber 201 Portion is provided with the positioning arc surface 209 matched with arc surface 103.So, on the one hand quickly it can be oriented to for tobacco rod 100；The opposing party Face, improves charging structure 300 and the merging precision of tobacco rod 100.

Further, Fig. 3, Fig. 4 and Fig. 6 are referred to, position limiting structure also includes the raised line 270 located at the cavity wall of grafting chamber 201, Raised line 270 is at least provided with one, and any raised line 270 all extends along the length direction of grafting chamber 201, the lateral wall of tobacco rod 100 It is connected to each raised line 270.So, tobacco rod 100 is pressed in grafting chamber 201 by raised line 270, it is to avoid due to tobacco rod 100 with There is gap between the cavity wall of grafting chamber 201 and tobacco rod 100 is produced swing, cause empty between tobacco rod 100 and charging structure 300 Connect, the abrasion of the charging end of tobacco rod 100 and/or cause the abrasion of charging structure 300.

In the present embodiment, raised line 270 is provided with two, and is placed in the cavity wall of grafting chamber 201 positioned at spacing tangent plane 203 The position of both sides.Raised line 270 is also provided with three, and two of which raised line 270 is placed in the cavity wall of grafting chamber 201 positioned at spacing The position of tangent plane both sides and facing setting, another raised line 270 are located at spacing tangent plane 203, spacing tangent plane 203 and fastener 220 is facing, and the raised line 270 on spacing tangent plane 203 clamps the tobacco rod 100, Er Qietong of electronic cigarette with fastener 220 jointly The setting raised line 270 on spacing tangent plane 203 is crossed, can also effectively prevent that tobacco rod 100 from being acted on by the elastic pressure of fastener 220 and is produced Raw off normal.

Fig. 1 to Fig. 6 is referred to, the utility model also provides a kind of charging device applied to electronic cigarette, including as described above Charging device shell 200 and the charging structure 300 that is placed in charging device shell 200 and is charged for supplied for electronic cigarette.

In the present embodiment, can be real by the way that above-mentioned charging device shell 200 is applied on the charging device of electronic cigarette The grafting of tobacco rod 100 of existing electronic cigarette is stable, firm, improves charge efficiency.

Charging device in the present embodiment is applied to IQOS electronic cigarettes.

Charging device also includes the containment vessel 400 for being sheathed on the shell of main casing 210, to protect main casing 210 and fill Electric structure 300.

Containment vessel 400 includes charging end cap 410, inserted terminal cap 420 and intermediate casing 430, charging end cap 410 and grafting End cap 420 is connected to the two ends of intermediate casing 430, and intermediate casing 430 is sheathed on the outside of main casing 210,410 sets of charging end cap In the charging end of main casing 210, inserted terminal cap 420 is sheathed on the grafting end of main casing 210.In the present embodiment, charge End cap 410 is connected with the end thread of intermediate casing 430, and inserted terminal cap 420 is threadedly coupled with intermediate casing 430.

In the present embodiment, charging end cap 410 includes the charging baffle ring 412 of sleeve pipe 411 and first, and the first baffle ring connects 412 and connect The end away from screw thread in charging sleeve pipe 411, charging sleeve pipe 411 is sheathed on charging end the week side of boss, main casing in main casing 210 210 charging end end face is resisted against the first baffle ring 412.

In the present embodiment, inserted terminal cap 420 includes the baffle ring 422 of inserted joint casing 421 and second, and the second baffle ring 422 is connected The end away from screw thread in inserted joint casing 421, inserted joint casing 421 is sheathed on grafting end the week side of boss, main casing in main casing 210 210 inserted terminal end face is locally resisted against the second baffle ring 422.

In the present embodiment, the week side of boss wall of the main casing 210 in its end of charging is provided with first annular 211, main casing 210 The end face that the week side of boss wall in its grafting end is provided with the second annular table 212, charging sleeve pipe 411 away from the first baffle ring 412 is abutted End face away from the second baffle ring 422 in first annular 211 table tops, inserted joint casing 421 is connected to the second annular table 212 Face.The purpose so set is, can fit in the tube wall of intermediate casing 430 and be located at first annular 211 in main casing 210 With the side wall between the second annular table 212, on the one hand, reduce the overall volume of containment vessel 400；On the other hand, it is to avoid intermediate casing There is gap between 430 and the lateral wall of main casing 210, it is yielding when being squeezed, fully accomplish to protect main casing 210.

Alternatively, charging device shell 200 also includes the side cover for being buckled in allocation mouth 205, and side cover can pass through card Buckle structure is fixedly connected with main casing 210, or can be fastenedly connected by connector realization, then or is realized by glue solid Fixed connection.

Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims

1. a kind of charging device shell, the tobacco rod grafting for supplied for electronic cigarette coordinates, use is mounted with the charging device shell In the charging structure charged for the electronic cigarette, it is characterised in that the charging device shell includes main casing, the main casing With for the grafting chamber for the tobacco rod grafting and the charging chamber for disposing the charging structure；

The charging device shell also includes the position limiting structure for being used to being limited in the inserted terminal of the tobacco rod into the grafting chamber.

2. charging device shell as claimed in claim 1, it is characterised in that the position limiting structure includes connecting with the main casing The fastener connect, the tobacco rod offers neck in its lateral wall, and the fastener is engaged by clamping with the neck；

The position limiting structure also includes being opened in the grafting chamber cavity wall and extrudes outside by the tobacco rod lateral wall for storing The receiving hole of the fastener of lateral bend deformation, the connection end of the fastener is connected with the receiving hole hole wall, the card The joint end of fastener extends towards grafting chamber inner side and towards the grafting chamber accent direction.

3. charging device shell as claimed in claim 2, it is characterised in that the fastener includes and the receiving hole hole wall The extension board of connection and the card convex for being located at elongated end in the extension board plate face, the card convex are locked in neck.

4. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the position limiting structure also includes Spacing tangent plane in the grafting chamber, the spacing tangent plane extends along the grafting chamber length direction, on the outside of the tobacco rod Wall is provided with the binding face fitted with the spacing tangent plane.

5. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the position limiting structure also includes The stopper slot of the grafting chamber cavity wall is opened in, the tobacco rod is provided with spacing preiection in its lateral wall；Or

The position limiting structure also includes the spacing preiection located at the grafting chamber cavity wall, and the tobacco rod opens up limited in its lateral wall Position groove；

The spacing preiection is plugged in the stopper slot.

6. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the cross section of the tobacco rod into Ellipse, the grafting chamber and the profile of the tobacco rod match.

7. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the charging device shell is also Including dividing plate, the dividing plate is connected in the main casing, and the dividing plate is located between the grafting chamber and the charging chamber, institute Charging structure is stated to be placed in the charging chamber and wear to the grafting chamber.

8. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the grafting end of the tobacco rod With arc surface, the grafting chamber terminal part is provided with the positioning arc surface matched with the arc surface.

9. charging device shell as claimed any one in claims 1 to 3, it is characterised in that the position limiting structure also includes Located at the raised line of the grafting chamber cavity wall, the raised line is at least provided with one, and any raised line is all along the grafting chamber Length direction extends, and the lateral wall of the tobacco rod is connected to each raised line.

10. a kind of charging device applied to electronic cigarette, it is characterised in that including as claimed in any one of claims 1-9 wherein Charging device shell and the charging structure for being placed in the charging device shell and being charged for the confession electronic cigarette.