WO2015106434A1

WO2015106434A1 - Battery assembly and electronic cigarette

Info

Publication number: WO2015106434A1
Application number: PCT/CN2014/070799
Authority: WO
Inventors: 刘秋明
Original assignee: 吉瑞高新科技股份有限公司
Priority date: 2014-01-17
Filing date: 2014-01-17
Publication date: 2015-07-23
Also published as: CN105934167A

Abstract

A battery assembly and electronic cigarette; the battery assembly comprising a battery casing (1) and an end cap (2) arranged at the end of the battery casing (1); the end cap (2) comprising a cap body (21) provided on the battery casing (1) as well as a connecting arm (22) extending along one side of the cap body (21) and arranged around the interior of the battery casing (1); the circumferential surface of the connecting arm (22) being provided with at least one arcuate or annular groove (221); a fitting part (11) fitted together with the groove (221) being provided on the battery casing (1) at a position corresponding to the groove (221); the fitting part (11) being inserted into the groove (221); the cap body (21) being provided with a blocking part (212) opposite to the end face of the battery casing (1) and used for preventing the end cap (2) from getting caught in the battery casing (1). The fixation means of the present invention is not harmful to the human body, and even if the battery assembly stands for a long period of time, there is no odor; arranged on the end cap is a groove, and arranged on the side wall of the battery casing is an annular protrusion or boss; structural strength is good, and the connection between the battery casing and the end cap is stable and reliable.

Description

Battery pack and electronic cigarette

Technical field

The present invention relates to the field of electronic cigarette technology, and more particularly to a battery assembly and an electronic cigarette.

Background technique

As a hobby, smoking is widely loved by people, especially men. However, tar in cigarettes is harmful to human health, and dozens of them are carcinogenic; in addition, secondary smoking is very harmful to non-smokers; therefore, smoking is prohibited in most public places. Provisions. But for a smoker, it is not easy to avoid smoking. As a result, e-cigarettes have become more and more widely used as substitutes for traditional tobacco.

The electronic cigarette includes an interconnected battery assembly and an atomizing assembly. The battery assembly generally includes a battery sleeve and an end cover that is disposed at one end of the battery sleeve. In the prior art, the end cover and the battery sleeve are passed through an interference fit or The glue is fixed between the battery sleeve and the end cover, and the assembly process is complicated and the defect rate is high. When fixed with a coating glue, the glue is harmful to people's health, and if the battery assembly is placed for a long time, there is an odor in the battery assembly, and the end cap and the battery assembly are prone to looseness.

Summary of the invention

The technical problem to be solved by the present invention is to provide a connection that is stable and reliable, and easy to assemble, in view of the defects that the end cover of the battery sleeve and the end cover of the prior art are glued and easily detached and harmful to the body. Use safe battery components and electronic cigarettes.

The technical solution adopted by the present invention to solve the technical problem thereof is: construction A battery assembly includes a battery sleeve and an end cap disposed at an end of the battery sleeve, the end cover including a cover body disposed on the battery sleeve and extending along a side of the cover body And a connecting arm disposed in the battery sleeve, the connecting arm has at least one curved or annular groove on a circumferential surface thereof, and the battery sleeve is disposed at a position corresponding to the groove a fitting portion adapted to the recess, the fitting portion being embedded in the recess; the cover body being disposed opposite to an end surface of the battery sleeve and configured to prevent the end cap from sinking a barrier within the battery sleeve.

In the battery assembly of the present invention, the groove is annular, and the groove and the portion where the fitting portion contacts A fastening ring for tightly connecting the connecting arm to the battery sleeve is provided.

In the battery pack of the present invention, the blocking portion is an annular body extending along a circumference of the lid body.

In the battery assembly of the present invention, The engaging portion is an elastic protrusion made of an elastic material, and the connecting arm and the battery sleeve are detachably connected by elastic fitting of the groove and the elastic protrusion.

In the battery assembly of the present invention, The groove is annular and disposed in plurality; the elastic protrusion is an annular protrusion formed along the inner side wall of the battery sleeve and corresponding to the groove, and the plurality of elastic protrusions are spaced apart It is disposed on the inner side wall of the battery cannula.

In the battery assembly of the present invention, A region of the groove in contact with the fitting portion is provided with a magnetic adsorption device, and a magnetic adsorption connection of the connecting arm to the battery sleeve is realized by the magnetic adsorption device.

In the battery assembly of the present invention, The magnetic adsorption device includes a magnet disposed in the groove and a magnetic layer disposed on an outer surface of the fitting portion, and the magnetic force of the connecting arm and the battery sleeve through the magnet and the magnetic layer Adsorption achieves a magnetic connection.

In the battery assembly of the present invention, The magnetic adsorption device includes a magnetic layer disposed in the recess and a magnet disposed on an outer surface of the fitting portion, and the magnetic force of the connecting arm and the battery sleeve through the magnetic layer and the magnet Adsorption achieves a magnetic connection.

In the battery pack of the present invention, the magnetic layer has a thickness of 0.05 cm to 0.1 cm.

In the battery assembly of the present invention, The groove is annular; the battery sleeve is a metal tube, and the metal tube is formed into an annular fitting portion by extrusion molding, and the fitting portion is located on an inner circumferential surface of the metal tube.

In the battery pack of the present invention, the fitting portion is a boss provided on an inner side wall of the battery can, and the fitting portion is at least two and spaced apart from each other.

In the battery assembly of the present invention, each of the grooves is correspondingly engaged with at least two of the fitting portions.

In the battery pack of the present invention, at least two fitting portions that are engaged with each of the grooves are disposed in the radial direction.

In the battery pack of the present invention, the outer surface of the fitting portion adjacent to the groove is provided with at least one rubber friction layer for increasing friction.

In the battery assembly of the present invention, the outer surface of the fitting portion adjacent to the groove is provided with at least one rubber friction layer for increasing friction, and each of the friction layers has a thickness of 0.02 cm. -0.1cm The groove is disposed in a circumferential direction of the outer side wall of the connecting arm, each of the grooves has a width of 0.1 cm - 0.4 cm, and each of the grooves has a depth of 0.08 cm - 0.1 cm The region where the groove is in contact with the fitting portion is provided with a magnetic adsorption device or a fastening ring.

The present invention also provides an electronic cigarette comprising an interconnected battery assembly and an atomizing assembly, the battery assembly comprising a battery sleeve and an end cap disposed at an end of the battery sleeve, the end cover including a cover a cover body on the battery sleeve and a connecting arm extending along one side of the cover body and sleeved in the battery sleeve, the connecting arm has at least one curved or annular shape on a circumferential surface thereof a groove, a position corresponding to the groove on the battery sleeve is provided with a fitting portion adapted to the groove, the fitting portion is embedded in the groove; A blocking portion is provided opposite the end face position of the battery sleeve and for preventing the end cap from sinking into the battery sleeve.

In the electronic cigarette of the present invention, the groove is annular, and the groove and the fitting portion are in contact with each other. A fastening ring for tightly connecting the connecting arm to the battery sleeve is provided.

In the electronic cigarette of the present invention, the fitting portion is an elastic protrusion made of an elastic material, and the connecting arm and the battery sleeve are detachably formed by elastic fitting of the groove and the elastic protrusion. Ground connection.

In the electronic cigarette of the present invention, the groove is annular and provided with a plurality of; the elastic protrusion is an annular convex formed along the inner side wall of the battery sleeve and corresponding to the groove. A plurality of the elastic protrusions are spaced apart from the inner side wall of the battery can.

In the electronic cigarette according to the present invention, a region where the groove is in contact with the fitting portion is provided with a magnetic adsorption device, and a magnetic adsorption connection between the connecting arm and the battery cannula is realized by the magnetic adsorption device.

The battery assembly and the electronic cigarette of the present invention have the following beneficial effects:

By providing at least one curved or annular groove and the blocking portion on the end cover, a fitting portion matching the groove is provided at a position corresponding to the groove on the battery sleeve, so that no excessive assembly is required Paying attention to whether the groove is aligned with the fitting portion, and only inserting the connecting arm of the end cap into the battery sleeve, when the blocking portion is about to resist or resist the end surface of the battery sleeve When the fitting portion is embedded in the groove, the assembly is convenient, the production efficiency is improved, and the blocking portion can block the end when the battery assembly is dropped or the end cover is subjected to an external force. The cover is trapped in the battery sleeve; and the fitting portion adopts an annular protrusion or a snap-fit between the boss and the groove to securely connect the end cover and the battery sleeve, thereby avoiding the end cover from the battery sleeve The occurrence of the phenomenon of detachment in the tube improves the service life of the battery assembly; compared with the prior art method of fixing with glue, the fixing method of the present invention is harmless to the body, and the battery assembly does not have an odor even if it is placed for a long time; Aspect, on the end cap The groove is provided, and the side wall of the battery sleeve is provided with an annular protrusion or a boss. Since the thickness of the side wall of the battery sleeve is limited, the present invention adopts a method of providing an annular protrusion or a boss on the battery sleeve. Compared with the technique of digging a groove on the battery casing, the structural strength is better, and the fixing of the end cover and the battery casing is more reliable.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a battery assembly according to a first embodiment of the present invention;

Figure 2 is a cross-sectional view of Figure 1;

3 is a schematic structural view of an end cap according to a first embodiment of the present invention;

4 is a schematic structural view of a battery can according to a second embodiment of the present invention;

Figure 5 is a cross-sectional view of a battery cannula according to a third embodiment of the present invention.

detailed description

In order to solve the defect that the end cap of the prior art battery assembly is easy to loose and harmful to the body when the end cap is glued, the present invention adopts at least one curved or annular concave on the end cover. The groove and the blocking portion are provided with a fitting portion matching the groove at a position of the battery sleeve corresponding to the groove, and the engagement between the groove and the fitting portion is realized between the battery sleeve and the end cover Removably connected, The assembly is convenient, the connection is reliable, the occurrence of the end cap falling off from the battery sleeve is avoided, and the service life of the battery assembly is improved.

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2, a battery assembly according to a first embodiment of the present invention is configured to combine with an atomizing component to form an electronic cigarette, including a battery sleeve 1 And the end cap 2, and the end cap 2 is disposed at one end of the battery cannula 1. Wherein, the battery sleeve 1 further houses a battery, and the battery sleeve 1 is away from the end cover 2 One end is inserted with a connector for connecting with the atomizing component, and the like, which are all prior art, and are not described herein again.

The battery sleeve 1 is a hollow cylindrical shape and is made of a plastic material or a metal material. In this embodiment, in order to simulate the soft hand feeling of the real cigarette, the battery sleeve 1 Made of plastic materials, such as polypropylene, polycarbonate, polyvinyl chloride, ABS resin and other soft plastic materials. The battery assembly of the present invention may be a battery assembly of disposable electronic cigarettes, or a battery assembly of rechargeable multiple electronic cigarettes.

End cap 2 is a soft end cap, specifically by It is made of a thermoplastic polyurethane, polyvinyl chloride or the like, and may be made of other flexible materials such as silicone rubber, thermoplastic elastomer or the like; in other embodiments, the end cap 2 may also be rigid. In this embodiment, the end cap 2 For the lamp cap provided at the end of the battery cannula 1, and the end cap 2 is provided with an LED lamp (not shown), the end cap 2 is a transparent end cap so that the light emitted by the LED lamp can be transmitted from the transparent end cap 2 In the middle, it simulates the luminous effect of real smoke and improves the user experience. It can be understood that the end cap 2 can also be a translucent body.

As shown in FIG. 3, the end cover 2 includes a cover body 21 and a connecting arm 22, and the cover body 21 is covered on the battery sleeve 1, and the connecting arm 22 extends along one side of the cover 21 and is sleeved in the battery can 1 . In this embodiment, the cover body 21 and the connecting arm 22 are integrally formed, and the overall effect is good, which is convenient for processing and manufacturing, and improves assembly efficiency. End cap 2 There is disposed at least one air inlet hole 211 communicating with the inside of the battery can 1 to allow a large external airflow into the battery assembly. In the embodiment, the air inlet hole 211 is disposed in the cover body 21 On. Specifically, the number of the intake holes 211 is one, two or more, and when the plurality of intake holes 211 are provided, the plurality of intake holes 211 are spaced apart from each other; the intake holes 211 The amount of airflow affects the airflow within the battery pack, so the amount of airflow 211 can be varied to adjust the smoke flow to meet the needs of different users.

The cover 21 is provided with a blocking portion 212 which is opposite to the end face of the battery can 1 and serves to block the end cap 2 Trapped into the battery can 1 , the specific blocking portion 212 is an annular body extending along the circumference of the cover 21 , and the radial length of the blocking portion 212 is greater than the radial distance of the battery can 1 , thereby avoiding the end cap 2 Get caught in the battery cannula 1.

The connecting arm 22 has a hollow cylindrical shape and is sleeved in the battery can 1 . The connecting arm 22 is provided with at least one curved or annular groove 221 And the groove 221 is provided in the circumferential direction of the outer side wall of the connecting arm 22, specifically, the groove 221 is formed by the inner side wall of the connecting arm 22 toward the hollow inner recess. Groove 221 There may be one or more. When the plurality of grooves 221 are plural, the plurality of grooves 221 are equally spaced apart on the outer side wall of the connecting arm 22, although in other embodiments, the plurality of grooves 221 It can also be set without distance, which is not limited.

The groove 221 is formed on the connecting arm 22 and is engaged with the side wall of the battery can 1 due to the battery casing 1 of the battery assembly The thickness is limited, so that the depth and width of the groove 221 are limited in order to fit the groove 221 to the battery can 1 . Preferably, each groove 221 has a width of 0.1 cm - 0.4 cm The depth is 0.08cm-0.1cm to achieve a tight and reliable engagement with the battery can 1 to prevent the end cap 2 from falling out of the battery can 1; only the groove 221 having such a size can realize the end cap 2 In close and reliable engagement with the battery cannula 1, the width and depth of the groove 221 are too large or too small, and there is a hidden danger that the end cap 2 is detached from the battery cannula 1.

A fitting portion 11 is provided on the battery sleeve 1 at a position corresponding to the recess 221, that is, the fitting portion 11 is located in the battery sleeve 1 and the recess On the opposite side walls, the end cap 2 is detachably sleeved and restrained in the battery can 1 by inserting the fitting portion 11 into the recess 221. Specifically the fitting portion 11 As an annular projection or boss, a fixed connection of the end cap 2 to the battery can 1 is achieved by fitting an annular projection or boss into the recess 221.

As shown in Fig. 2, in the first embodiment of the present invention, the groove 221 is annular, and the fitting portion 11 The annular projection is located on the side wall of the battery can 1 and is formed by the side wall of the battery can 1 protruding toward the inside of the hollow battery can 1 . The size and groove of the fitting portion 11 Suitably, the fitting portion 11 is fitted in the recess 221, and the matching groove 221 and the fitting portion 11 are used to make the battery sleeve 1 and the end cover 2 The fixing is tight, the connection is reliable, and the assembly is convenient, preventing the end cap 2 from falling off.

The fitting portion 11 is made of an elastic material to form an elastic projection on the side wall of the battery can 1 through which the elastic projection and the groove 221 are formed. The elastic sleeve allows the end cap 2 to be detachably connected to the battery cannula 1. The elastic bulge is along the battery casing 1 The inner side wall has an annular projection formed by a plurality of elastic protrusions, and the plurality of elastic protrusions are spaced apart from the inner side wall of the battery can 1 . In this embodiment, both the elastic protrusion and the groove 221 are one through the end cover 2 The inside of the battery can 1 is inserted and the elastic projection is fitted into the recess 221 of the end cap 2 to fix the end cap 2 in the battery can 1 . Due to the elastic protrusions and grooves 221 One-to-one correspondence, so the number of elastic projections is equal to the number of the grooves 221, and preferably both the recess 221 and the elastic projections are two, so that the end cap 2 is fastened to the battery can 1 Inside. In another embodiment, the groove 221 is annular; the battery can 1 is a metal tube, and the metal tube is formed into an annular shaped fitting portion 11 by extrusion molding, the fitting portion 11 Located on the inner circumferential surface of the metal pipe. Since the protrusion of the ring shape is formed by extrusion, the structure of the protrusion is compact, the mechanical property is good, and the thickness is relatively uniform, so that the overall structure of the battery assembly is strong.

As shown in FIG. 4, in the second embodiment of the present invention, the fitting portion 11 is provided in the battery can 1 a boss on the inner side wall, and the bosses are at least two and spaced apart from each other, that is, the fitting portion 11 is a plurality of spaced apart bosses, and the end is engaged by the recess 221 of the end cover 2 Cover 2 and battery casing Fixed by 1. In order to make the fitting portion 11 and the groove 221 tightly engaged, the longitudinal section of the fitting portion 11 is curved, that is, the longitudinal section of the boss is curved, and the longitudinal section is an arc-shaped boss and groove 221 Closely engage to prevent the end cap 2 from falling out. It can be understood that the boss can also be other shapes, such as a boss having a straight section or a curved section, which is not limited herein.

Preferably, each groove 221 is correspondingly engaged with at least two fitting portions 11 and at least two fitting portions that are engaged with each groove 221 11 Same as radial setting. Since the recess 221 is disposed on the end cover 2, the boss engaged with the recess 221 must be disposed in the same radial direction to be fixedly engaged with the recess 221, that is, each recess 221 Correspondingly engaged with at least two bosses arranged in the same radial direction. In this embodiment, the recess 221 is one, and the battery sleeve 1 There are two bosses on the inner side wall, and the two bosses are disposed on a circumference in the radial direction, so that the two bosses are just engaged in the groove 221, and the end cover 2 and the battery sleeve are realized. 1 fixed snap to prevent end cap 2 Peel off from the battery can 1 . In order to make the end cap 2 and the battery sleeve more tightly and securely engaged, the fitting portion 11 that engages with each of the grooves 221 may be more, such as 3 And three or more, and the plurality of bosses are disposed in the same radial direction to be engaged with the groove 221. Of course, in other embodiments, the recess 221 is not limited to one, but may be plural, preferably the recess 221 There are two to make the end cap 2 and the battery sleeve 1 tightly and securely fastened.

As shown in Fig. 5, in the third embodiment of the present invention, the region where the groove 221 is in contact with the fitting portion 11 is provided with a fastening ring 222. The fastening ring 222 is used to connect the connecting arm 22 and the battery sleeve 1 to make the fitting between them tighter, preventing the end cap 2 from coming off the battery cannula 1. Specifically tightening the ring 222 Made of polyethylene or polypropylene material, it has a certain elasticity, and the fastening ring 222 is engaged between the groove 221 and the fitting portion 11 to make the fixing of the end cover 2 and the battery sleeve 1 more tight.

In another embodiment of the invention, the region where the recess 221 is in contact with the fitting portion 11 is provided with a magnetic adsorption device, the end cap 2 and the battery cannula 1 The magnetic adsorption connection is realized by the magnetic adsorption device, so that the connection between the battery can 1 and the end cover 2 is more compact and reliable, and is easy to disassemble. The magnetic adsorption device includes a groove 221 The inner magnet and the magnetic layer (not shown) provided on the outer surface of the fitting portion 11, the connecting arm 22 and the battery sleeve 1 pass through the magnet and the fitting portion in the recess 221 Magnetic attraction of the magnetic layer on the outer surface achieves magnetic connection; or the magnetic adsorption device includes a magnetic layer (not shown) disposed in the recess 221 and is disposed at the fitting portion 11 The outer surface of the magnet realizes the battery cannula 1 and the end cap 2 by magnetic adsorption of the magnetic layer and the magnet 2 Magnetic connection. Specifically, the magnetic layer is made of a magnetic material, such as a magnetic layer made of a metal material to be adsorbed on the magnet, and the thickness of the magnetic layer is 0.05 cm - 0.1 cm, and only when the thickness of the magnetic layer is within this range, the groove The 221 and the fitting portion 11 can be magnetically connected in a tight and reliable manner to prevent the end cap 2 from coming off the battery cannula 1.

In another embodiment of the invention, the fitting portion 11 is adjacent to the recess 221 The outer surface is provided with at least one rubber friction layer (not shown) for increasing friction, and the rubber friction layer is made of a rubber material having elasticity, which can increase not only between the end cover 2 and the battery can 1 Friction, making the groove 221 is tightly engaged with the fitting portion 11, and since the friction layer is elastic, the battery cannula 1 and the end cap 2 are avoided when the battery assembly is squeezed. The phenomenon of damage due to extrusion increases the service life of the battery pack. Specifically, each friction layer has a thickness of between 0.02 and 0.1 cm, and the friction layer has two layers to allow the battery can 1 and the end cap 2 The clamping between the two parts is tight and reliable. It can be understood that the number and thickness of the friction layer are not too much and too thick, otherwise the groove 221 and the fitting portion 11 may not be tightly engaged, and the end cover 2 may fall off.

The battery assembly of the present invention is provided in the battery casing by providing at least one annular or curved groove 221 and a blocking portion 212 on the end cover 2. The fitting portion 11 corresponding to the groove 221 is disposed at a position corresponding to the groove 221, so that the groove 221 and the fitting portion 212 need not be excessively focused during assembly. Whether it is aligned, only the connecting arm 22 of the end cover 2 needs to be inserted into the battery case 1, and the inlay is realized when the blocking portion 212 is about to abut or abut against the end surface of the battery cannula 1. Joint 11 It is embedded in the recess 221, thereby facilitating assembly and improving production efficiency, and the blocking portion 212 can block the end cap 2 when the battery assembly is dropped or the end cover 2 is subjected to an external force or the like. Engaged in the battery sleeve; and the fitting portion 11 adopts an annular protrusion or a locking and fixing between the boss and the groove 221 to fasten the end cover 2 and the battery sleeve 1, and the connection is reliable, avoiding the end Cover 2 From the battery casing 1 The occurrence of the internal shedding phenomenon improves the service life of the battery assembly; compared with the prior art method of fixing with glue, the fixing method of the present invention is harmless to the body, and the battery assembly does not have an odor even if it is placed for a long time; Aspect, end cap 2 is provided with a groove 221, and the side wall of the battery sleeve 1 is provided with an annular protrusion or a boss. Since the thickness of the side wall of the battery sleeve 1 is limited, the present invention is applied to the battery sleeve 1 The manner in which the annular projections or bosses are provided is better than the technique of digging the recesses on the battery can 1 to avoid damage to the battery can 1 so that the end cap 2 and the battery cannula 1 The fixation is more compact and reliable.

The invention also provides an electronic cigarette, The invention includes an atomizing assembly and a battery assembly that are connected to each other, and the two are detachably or non-detachably connected into one unit. When the atomizing assembly and the battery assembly are detachably connected, the atomizing assembly and the battery assembly may be connected by various means such as a screw connection, a snap connection, a tension connection, an integral molding, a magnetic connection, and the like. The battery assembly of the electronic cigarette of the present invention is the battery assembly according to any of the above embodiments. Since the battery assembly has the structural features of the battery assembly described above, the electronic cigarette composed of the battery assembly also has the battery assembly. effect. The atomization component is prior art and will not be described herein.

The embodiments of the present invention have been described above with reference to the drawings, but the present invention is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not restrictive, and those skilled in the art In the light of the scope of the present invention, many forms may be made without departing from the scope of the invention as claimed. within.

Claims

A battery assembly comprising a battery sleeve (1) and an end cover (2) disposed at an end of the battery sleeve (1), the end cover (2) a cover body (21) that is disposed on the battery sleeve (1) and a connecting arm that extends along one side of the cover body (21) and is sleeved in the battery sleeve (1) ( twenty two , characterized in that at least one curved or annular groove (221) is provided on the circumferential surface of the connecting arm (22), and the groove (221) on the battery sleeve (1) a corresponding position is provided with a fitting portion (11) adapted to the groove (221), the fitting portion (11) being embedded in the groove (221); the cover body (21) There is provided a blocking portion (212) opposite to the end face position of the battery cannula (1) for preventing the end cap (2) from sinking into the battery cannula (1).
The battery pack according to claim 1, wherein said groove (221) has a ring shape, said groove (221) and a fitting portion (11) The contact area is provided with a fastening ring (222) for tightly connecting the connecting arm (22) to the battery sleeve (1).
The battery pack according to claim 1, wherein said blocking portion (212) is formed along said cover body (21) a circumferentially extending annular body.
A battery pack according to claim 1, wherein said fitting portion (11) is an elastic projection made of an elastic material, said connecting arm (22) And the battery sleeve (1) is detachably connected by elastic engagement of the groove (221) with the elastic protrusion.
The battery pack according to claim 4, wherein said groove (221) is annular and provided with a plurality of; said elastic projection is along said battery sleeve (1) The inner side wall defines an annular protrusion corresponding to the groove (221), and the plurality of elastic protrusions are spaced apart from the inner side wall of the battery sleeve (1).
The battery pack according to claim 1, wherein said groove (221) and said fitting portion (11) The contact area is provided with a magnetic adsorption device by which the magnetic attraction connection of the connecting arm (22) to the battery cannula (1) is achieved.
The battery pack according to claim 6, wherein said magnetic adsorption means comprises a groove (221) a magnet inside the magnetic layer and a magnetic layer disposed on an outer surface of the fitting portion (11), the connecting arm (22) and the battery sleeve (1) Magnetic connection is achieved by magnetic adsorption of the magnet to the magnetic layer.
The battery pack according to claim 6, wherein said magnetic adsorption means comprises a groove (221) a magnetic layer inside and a magnet disposed on an outer surface of the fitting portion (11), the connecting arm (22) and the battery cannula (1) Magnetic connection is achieved by magnetic adsorption of the magnetic layer with the magnet.
The battery pack according to claim 7 or 8, wherein the magnetic layer has a thickness of 0.05 cm to 0.1 cm. .
The battery assembly according to claim 1, wherein said groove (221) is annular; said battery can (1) The metal pipe is formed into an annular fitting portion (11) by extrusion molding, and the fitting portion (11) is located on an inner circumferential surface of the metal pipe.
The battery pack according to claim 1, wherein the fitting portion (11) is provided in the battery can (1) a boss on the inner side wall, the fitting portions (11) being at least two and spaced apart from each other.
The battery pack according to claim 11, wherein each of said grooves (221) and at least two of said fitting portions (11) ) Corresponding to the engagement.
A battery pack according to claim 12, wherein at least two fitting portions (11) are engaged with each of said grooves (221) ) Same as radial setting.
The battery pack according to claim 1, wherein said fitting portion (11) is adjacent to said recess (221) The outer surface of the ) is provided with at least one layer of rubber friction for increasing friction.
The battery pack according to claim 1, wherein said fitting portion (11) is adjacent to said recess (221) The outer surface is provided with at least one rubber friction layer for increasing friction, each of the friction layers having a thickness of 0.02 cm - 0.1 cm; and the groove (221) is disposed at the connecting arm (22) In the circumferential direction of the outer side wall, each of the grooves (221) has a width of 0.1 cm - 0.4 cm, and each of the grooves (221) has a depth of 0.08 cm - 0.1 cm; 221) A region in contact with the fitting portion (11) is provided with a magnetic adsorption device or a fastening ring (222).
An electronic cigarette comprising an interconnected battery assembly and an atomizing assembly, the battery assembly comprising a battery sleeve (1) and a battery sleeve disposed thereon (1) End cap ( 2 ), the cap ( 2 ) includes a cover ( 21 ) that is disposed on the battery sleeve ( 1 ) and extends along one side of the cover ( 21 ) Nested in the battery casing (1 a connecting arm (22), characterized in that at least one curved or annular groove (221) is provided on the circumferential surface of the connecting arm (22), and the battery sleeve (1) is Groove (221 a corresponding position is provided with a fitting portion (11) adapted to the groove (221), the fitting portion (11) being embedded in the groove (221); the cover body (21) There is provided a blocking portion (212) opposite to the end face position of the battery cannula (1) for preventing the end cap (2) from sinking into the battery cannula (1).
The electronic cigarette according to claim 16, wherein said groove (221) has a ring shape, said groove (221) and a fitting portion (11) The contact area is provided with a fastening ring (222) for tightly connecting the connecting arm (22) to the battery sleeve (1).
The electronic cigarette according to claim 16, wherein the fitting portion (11) is an elastic projection made of an elastic material, and the connecting arm (22) And the battery sleeve (1) is detachably connected by elastic engagement of the groove (221) with the elastic protrusion.
The electronic cigarette according to claim 18, wherein the groove (221) is annular and provided with a plurality of; the elastic protrusion is along the battery sleeve (1) The inner side wall defines an annular protrusion corresponding to the groove (221), and the plurality of elastic protrusions are spaced apart from the inner side wall of the battery sleeve (1).
The electronic cigarette according to claim 16, wherein the groove (221) and the fitting portion (11) The contact area is provided with a magnetic adsorption device by which the magnetic attraction connection of the connecting arm (22) to the battery cannula (1) is achieved.