Battery cell and electrode sealing method

Abstract

The present invention relates to a battery cell and an electrode sealing method. The battery cell includes a battery, a bracket assembly and an electrode arranged at one end of the battery. The bracket assembly is used to install the battery, including a first bracket, a second bracket and a seal. The first bracket is detachably mounted on the second bracket. The first bracket is provided with a limiting groove with a step on the inner wall at one end close to the second bracket. The seal is inserted into the limiting groove and abuts against the step. The outer wall of the seal is tightly attached to the inner wall of the limiting groove to close the limiting groove. The seal is provided with a second limiting hole that passes through the seal. The electrode is inserted into the second limiting hole and partially exposed to the bracket assembly. The outer peripheral surface of the electrode is tightly attached to the inner peripheral surface of the second limiting hole. Thus, the electrode is sealed in a multi-sealed protection manner, which can completely solve the safety accidents caused by the uncertainty of the seal in the traditional sealing method and the leakage of condensate into the battery cell, making the product more stable and safe.

Description

Technical Field

[0001] The present invention relates to the technical field of atomization devices, and in particular to a battery unit and an electrode sealing method. Background Art

[0002] Common atomizers on the market include a battery unit and an atomizer core connected to the battery unit. After the atomizer core is filled with atomizer liquid, the battery host supplies power to the atomizer core, and the heating wire generates high temperature to heat the atomizer liquid, turning the atomizer liquid into steam for users to inhale. The common air intake method of existing atomizers is to open an air inlet hole at the bottom of the atomizer core and an air outlet at the mouthpiece to form an airway inside the atomizer core. At the same time, the atomizer needs to intake air to cool the smoke so that the smoke reaches a temperature suitable for the entrance. However, when the high-temperature smoke encounters cold air or the inner wall of the outer shell of the electronic cigarette, due to the large temperature difference between the two, the high-temperature smoke will form condensate when it encounters cold air, and as the number of puffs increases, the amount of condensate will also accumulate and increase. Therefore, the condensate in the atomizer may flow back along the airway.

[0003] In order to prevent the condensate in the atomizer from leaking into the battery cell and causing a safety accident, the electrode of the battery cell needs to be sealed. The existing electrode sealing method generally adopts a layer of silicone attached to the outside of the electrode, and the silicone is inserted into a single hole on the bracket and the silicone is pressed against a single surface of the bracket to achieve a fitting seal. This sealing method has the following disadvantages: First, since the battery has a certain length, the sealing method is to fit the silicone to a surface perpendicular to the length direction of the battery for sealing. Since the length of the battery in the vertical direction is also long, the tolerance of the production process of the parts itself is very large. In addition, the silicone material itself will produce elastic deformation, which is very easy to produce multiple through gaps. The experience of mass production shows that this sealing method is very unstable, which makes the product uncertainty very large. Secondly, the battery cell space is limited, so the sealing area is very small. Since the electrode itself is a moving part that stretches back and forth along the length direction of the battery, while generating this movement, the electrode may also be offset along its axial direction. Once the electrode is offset in its axial direction, the silicone attached to the outside of the electrode may also detach from a single surface of the bracket perpendicular to the length direction of the battery. Given such a small sealing area, the sealing function will fail. Summary of the invention

[0004] Based on this, it is necessary to provide a battery cell and an electrode sealing method with good electrode sealing effect in order to solve the problem of poor electrode sealing effect in the battery cell of the existing atomizer.

[0005] According to one aspect of the present application, a battery cell is provided, comprising:

[0006] A bracket assembly, the bracket assembly includes a first bracket, a second bracket and a sealing member, the first bracket is detachably mounted on the second bracket, a limiting groove is provided at one end of the first bracket close to the second bracket, the inner wall of the limiting groove includes a first side wall, a first bottom wall and a second side wall, the first side wall is arranged around the first bottom wall, a first limiting hole is provided on the first bottom wall, the inner circumference of the first limiting hole forms the second side wall, the first side wall, the first bottom wall and the second side wall together form a step, the sealing member includes a body and a protrusion provided on one side of the body, the protrusion is inserted into the first limiting hole, and the outer circumference of the protrusion is tightly attached to the second side wall; the outer circumference of the body is tightly attached to the first side wall, and a surface of one side of the body close to the protrusion is pressed against the first bottom wall; the sealing member is provided with a second limiting hole that passes through the sealing member;

[0007] a battery installed in the bracket assembly; and

[0008] An electrode is arranged at one end of the battery, the electrode is passed through the second limiting hole and partially exposed from the bracket assembly, and the outer circumference of the electrode is closely attached to the inner circumference of the second limiting hole.

[0009] In one embodiment, the inner wall of the limiting groove further includes a second bottom wall, the second bottom wall is provided with a third limiting hole penetrating the first bracket, and the inner circumferential surface of the third limiting hole, the second bottom wall and the second side wall jointly form another step;

[0010] One end of the protrusion away from the body is pressed against the second bottom wall.

[0011] In one embodiment, the sealing member is further provided with a sealing frame surrounding the sealing member, and the sealing frame is tightly attached to the first side wall and / or the second side wall.

[0012] In one embodiment, the second bracket has a receiving cavity for receiving the battery, the first bracket and the second bracket together form a first holding position connected to the receiving cavity, and the battery is received in the receiving cavity and the first holding position.

[0013] In one of the embodiments, the accommodating cavity includes a mounting position and a second clamping position spaced apart from the first clamping position, and opposite ends of the battery are respectively limited in the first clamping position and the second clamping position.

[0014] In one embodiment, a boss extending toward the second bracket is provided on the first bracket, the limiting groove is provided on the boss, in the direction from the first bracket to the second bracket, the size of the sealing member is greater than or equal to the depth of the limiting groove, and the end surface of the sealing member close to the second bracket and the end surface of the second bracket close to the first bracket jointly define a clamping gap;

[0015] The clamping gap, the second limiting hole and the third limiting hole jointly define the first clamping position.

[0016] In one embodiment, the battery further includes a battery cell, a first circuit board and a second circuit board, the first circuit board and the second circuit board are respectively arranged at opposite ends of the battery cell and respectively connected to the battery cell, the electrode is passed through the first circuit board, the first circuit board and the electrode are limited to the first holding position, and the second circuit board is limited to the second holding position.

[0017] According to another aspect of the present application, an electrode sealing method is provided. The electrode sealing method is implemented based on the battery cell as described above, and the electrode sealing method comprises the following steps:

[0018] Inserting the sealing member into the limiting groove of the first bracket and abutting against the step of the limiting groove, the sealing member and the limiting groove are in interference fit;

[0019] Install the battery in the accommodating cavity of the second bracket, and insert the electrode of the battery into the second limiting hole of the sealing member, wherein the electrode and the second limiting hole are interference fit;

[0020] The first bracket is connected to the second bracket to fix the battery in the bracket assembly.

[0021] In one embodiment, the step of inserting the sealing member into the limiting groove of the first bracket and abutting against the step of the limiting groove, wherein the sealing member and the limiting groove are interference fit, includes:

[0022] Inserting the raised portion of the sealing member into the first limiting hole of the limiting groove in an interference fit manner;

[0023] The end surface of the body of the sealing member close to the raised portion is pressed against the first bottom wall of the limiting groove;

[0024] The end surface of the raised portion of the sealing member away from the main body is held against the second bottom wall of the limiting groove.

[0025] In one embodiment, the step of connecting the first bracket to the second bracket to fix the battery in the bracket assembly includes:

[0026] The first bracket is snap-connected to the second bracket, so that two sides of the first circuit board of the battery are respectively abutted against the sealing component and an end of the second bracket close to the first bracket.

[0027] The battery module and electrode sealing method for the atomizer are provided with a first bracket on the bracket assembly, and a first bracket detachably mounted on the second bracket and a sealing member detachably mounted on the first bracket are provided. A limiting groove with a step inside is provided at one end of the first bracket close to the second bracket. The sealing member is designed to be in a shape matching the inner wall of the limiting groove, so that the limiting groove is inserted in the limiting groove to abut against the step. Part of the outer wall of the sealing member is tightly attached to the inner circumferential surface of the second limiting hole, and another part of the outer wall of the sealing member is tightly attached to the inner wall of the limiting groove. The sealing member is also provided with a second limiting hole that passes through the sealing member. The electrode is inserted into the second limiting hole, and the outer circumferential surface of the electrode is tightly attached to the inner circumferential surface of the second limiting hole, so that the electrode is sealed in a multi-stage sealing protection mode. The multi-stage sealing mode reduces the magnitude of the defective rate caused by surface sealing or hole sealing, and can completely solve the safety accidents caused by the uncertainty of sealing in the traditional sealing mode and the leakage of condensate into the battery cell, so that the product is more stable and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying creative work.

[0029] Figure 1 An exploded schematic diagram of a partial structure of an atomizer provided by an embodiment of the present invention;

[0030] Figure 2 A three-dimensional schematic diagram of a battery unit provided by an embodiment of the present invention;

[0031] Figure 3 A three-dimensional schematic diagram of a bracket assembly provided by an embodiment of the present invention;

[0032] Figure 4 A cross-sectional view of an electrode seal is provided for an embodiment of the present invention;

[0033] Figure 5 An exploded schematic diagram of a bracket assembly provided by an embodiment of the present invention;

[0034] Figure 6 for Figure 5 A magnified schematic diagram of the middle A area;

[0035] Figure 7 An exploded schematic diagram of a bracket assembly provided by an embodiment of the present invention from another angle;

[0036] Figure 8 for Figure 7 A magnified schematic diagram of the middle B area;

[0037] Fig. 9 An exploded cross-sectional view of a first bracket and a sealing member provided in an embodiment of the present invention.

[0038] Description of reference numerals:

[0039] 10. Atomizer; 100. Shell; 200. Battery unit; 210. Battery; 211. Battery core; 212. Electronic assembly; 2121. First circuit board; 2122. Second circuit board; 220. Bracket assembly; 2201. First clamping position; 2201a. Clamping gap; 2201b. Limiting hole; 221. First bracket; 2211. Mounting hole; 2212. Boss; 2213. Limiting groove; 2213a. First side wall; 2213b. First bottom wall ; 2213c, second side wall; 2213d, second bottom wall; 2213e, first limiting hole; 2213f, third limiting hole; 2214, slot; 222, second bracket; 2221, accommodating cavity; 2221a, mounting position; 2221b, second holding position; 2221c, bump; 2222, buckle; 223, sealing member; 2231, main body; 2232, raised portion; 2233, second limiting hole; 2234, sealing bone position; 230, electrode. DETAILED DESCRIPTION

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0041] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “liquid level”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature has a higher liquid level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower liquid level than the second feature.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "liquid horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0046] An embodiment of the present invention provides a battery unit and electrode sealing method for an atomizer. The battery unit includes a battery, a bracket assembly and an electrode. The battery is used to power the atomizer. The bracket assembly is used to install the battery of the battery unit and seal the electrode so that the battery can be fixedly sealed in a closed space to prevent the atomizer from leaking into the bracket assembly and contacting the battery when the atomizer is working, so as to avoid safety accidents such as short circuit of the battery unit and shutdown of the atomizer.

[0047] Below, taking an electronic cigarette as an electronic atomizer as an example, the partial structure of the atomizer and the structure of the battery unit, as well as the electrode sealing method in this application are described. This embodiment is only used as an example and does not limit the technical scope of this application. It can be understood that in other embodiments, the battery unit of this application is not limited to being used in electronic cigarettes, but can also be used in any other type of atomizer, and can also be used in any other type of electronic products, which is not limited here.

[0048] The following combination Figures 1 to 9 , introduces the preferred implementation methods of the battery cell and electrode sealing method provided in this application.

[0049] like Figure 1 The figure shows a partial structure of an atomizer 10, including a housing 100, a battery unit 200 and a heating unit (not shown). The housing 100 is a hollow cavity structure, and the battery unit 200 and the heating unit are accommodated in the housing 100, wherein the battery unit 200 is connected to the heating unit and supplies power to the heating unit, so that the atomizing medium (i.e., oil) in the atomizer 10 is heated and evaporated, and atomized into smoke for the user to inhale.

[0050] Combination Figure 1 and Figure 2As shown, the battery unit 200 includes a battery 210, a bracket assembly 220 and an electrode 230, and the battery 210 is fixedly installed in the bracket assembly 220. The battery 210 includes a battery cell 211 and an electronic component 212 welded on the battery cell 211, and the electronic component 212 includes a first circuit board 2121 and a second circuit board 2122, which are respectively arranged at opposite ends of the battery cell 211 and connected to the battery cell 211. The battery cell 211 is used to store the power supply medium, and the first circuit board 2121 and the second circuit board 2122 are both PCB circuit boards, which are used to provide power supply, overcurrent protection and control circuit logic for the battery cell 211. There are two electrodes 230, namely a positive electrode and a negative electrode, and the two electrodes 230 are both arranged on the first circuit board 2121, and one end of each electrode 230 is connected to the battery cell 211, and the other end is connected to the heating module, which is used to form a conductive loop so as to be able to power the heating module.

[0051] Combination Figure 2 , Figure 3 , Figure 5 and Figure 7 As shown, in some embodiments, the bracket assembly 220 includes a first bracket 221, a second bracket 222, and a sealing member 223. The first bracket 221 is detachably mounted on the second bracket 222. The first bracket 221 and the second bracket 222 are used to fix the battery 210 in the bracket assembly 220, and the first bracket 221 is used to install a magnet so that the heating unit of the atomizer 10 can be installed at one end of the bracket assembly 220 and connected to the battery 210. The sealing member 223 is installed on the first bracket 221 to play a sealing role to prevent the atomization medium of the atomizer 10 or the condensation liquid generated when the atomizer 10 is working from leaking into the bracket assembly 220 and contacting the battery 210 to cause a safety accident.

[0052] Specifically, Figure 3 , Figure 4 and Figure 5 As shown, one end of the first bracket 221 away from the second bracket 222 has two mounting holes 2211 for mounting magnets, and the first bracket 221 and the second bracket 222 jointly form a first clamping position 2201, and the first clamping position 2201 includes a clamping gap 2201a and two limiting holes 2201b, each limiting hole 2201b is respectively connected to the clamping gap 2201a, and each limiting hole 2201b passes through the opposite ends of the first bracket 221. The outline size of the clamping gap 2201a is substantially the same as the outline size of the first circuit board 2121, so that the first circuit board 2121 can be limited in the clamping gap 2201a; the inner diameter of each limiting hole 2201b is substantially equal to the outer diameter of one electrode 230, so that each electrode 230 can be respectively penetrated and fixed in one limiting hole 2201b.

[0053] like Figure 2 , Figure 3 , Figure 4 and Figure 8 As shown, the first bracket 221 is provided with a boss 2212 extending toward the second bracket 222, and the boss 2212 has a recessed limiting groove 2213 at one end close to the second bracket 222. The seal 223 is completely or partially inserted in the limiting groove 2213. In the direction from the first bracket 221 to the second bracket 222, the size of the seal 223 is greater than or equal to the depth of the limiting groove 2213, so that the end surface of the seal 223 close to the second bracket 222 and the end surface of the second bracket 222 close to the first bracket 221 jointly form the above-mentioned clamping gap 2201a, and the outline size of the clamping gap 2201a is roughly the same as the outline size of the first circuit board 2121, so that the first circuit board 2121 can be limited in the clamping gap 2201a.

[0054] Preferably, if Figure 8 and Fig. 9 As shown, the inner wall of the limiting groove 2213 has a step, the outer wall of the sealing member 223 is tightly attached to the inner wall of the limiting groove 2213 to close the limiting groove 2213, and the sealing member 223 is abutted against the step. Specifically, in an optional embodiment, the inner wall of the limiting groove 2213 includes a first side wall 2213a, a first bottom wall 2213b, a second side wall 2213c and a second bottom wall 2213d, wherein the first side wall 2213a is surrounded by the first bottom wall 2213b, the first bottom wall 2213b is provided with two first limiting holes 2213e, the inner circumference of each first limiting hole 2213e forms a second side wall 2213c, the first side wall 2213a, the first bottom wall 2213b and the second side wall 2213c together form a step; the second bottom wall 2213d is provided with a third limiting hole 2213f that passes through the first bracket 221, the inner circumference of the third limiting hole 2213f, the second bottom wall 2213d and the second side wall 2213c together form another step.

[0055] Correspondingly, if Figure 6 and Fig. 9As shown, the sealing member 223 includes a body 2231 and two protrusions 2232, the two protrusions 2232 are arranged at one side of the body 2231 close to the first bracket 221 and are arranged at intervals, and the interval between the two protrusions 2232 is equal to the interval between the two first limiting holes 2213e, so that each protrusion 2232 is inserted into one of the first limiting holes 2213e, and the outer peripheral surface of each protrusion 2232 is closely attached to the second side wall 2213c; one end of each protrusion 2232 away from the body 2231 is abutted against the second bottom wall 2213d; the outer peripheral surface of the body 2231 is closely attached to the first side wall 2213a. And the side surface of the body 2231 close to the protrusion 2232 is abutted against the first bottom wall 2213b. Preferably, the outer circumference of each protrusion 2232 is interference fit with the second side wall 2213c, and the outer circumference of the body 2231 is also interference fit with the first side wall 2213a, so that the seal 223 is firmly installed in the first bracket 221 and has a better sealing effect.

[0056] In one embodiment, the sealing member 223 is provided with a second limiting hole 2233 penetrating the sealing member 223, the third limiting hole 2213f is coaxially arranged with the second limiting hole 2233, the second limiting hole 2233 and the third limiting hole 2213f jointly form the above-mentioned limiting hole 2201b, the electrode 230 is penetrated through the second limiting hole 2233 and the third limiting hole 2213f, and the outer peripheral surface of the electrode 230 is closely attached to the inner peripheral surface of the second limiting hole 2233, so that the above-mentioned clamping gap 2201a, the second limiting hole 2233 and the third limiting hole 2213f jointly form the first clamping position 2201. Preferably, the outer peripheral surface of the electrode 230 and the inner peripheral surface of the second limiting hole 2233 are also interference fit.

[0057] Preferably, the seal 223 is also provided with a sealing frame 2234 surrounding the seal 223. The sealing frame 2234 can be provided on the outer peripheral surface of the main body 2231, or on the outer peripheral surface of the raised portion 2232. The sealing frame 2234 can also be provided on the outer peripheral surface of the main body 2231 and the outer peripheral surface of the raised portion 2232. In the embodiment shown in the figure, the sealing bone position 2234 is arranged on the outer peripheral surface of the main body 2231. At this time, the sealing bone position 2234 is tightly attached to the first side wall 2213a, and preferably forms an interference fit with the first side wall 2213a; when the sealing bone position 2234 is arranged on the outer peripheral surface of the protrusion 2232, the sealing bone position 2234 is tightly attached to the second side wall 2213c, and preferably forms an interference fit with the second side wall 2213c; when the sealing bone position 2234 is provided on the outer peripheral surface of the main body 2231 and the outer peripheral surface of the protrusion 2232, the sealing bone position 2234 is tightly attached to the first side wall 2213a and the second side wall 2213c.

[0058] Preferably, combined with Figure 2 and Figure 3As shown, the seal 223 is made of an elastic soft rubber material. When the first circuit board 2121 is limited in the clamping gap 2201a, one side of the first circuit board 2121 along the thickness direction abuts against the end surface of the second bracket 222 close to the first bracket 221, and the other side abuts against the seal 223. The seal 223 can be deformed restorably under the abutting force of the first circuit board 2121, so that the first circuit board 2121 can be more firmly fixed in the clamping gap 2201a. And when the battery unit 200 is disassembled, the seal 223 can be deformed restorably, which also facilitates the removal of the electrode 230 from the first bracket 221 without damaging the electrode 230.

[0059] Thus, through the above design, the sealing member 223 can completely block the limiting groove 2213 when inserted into the limiting groove 2213 , and has a multiple sealing protection effect on the electrode 230 . The outer circumferential surface of the protrusion 2232 is tightly attached to the second side wall 2213c to form a hole seal with a first level of sealing protection; the end of the protrusion 2232 away from the main body 2231 is abutted against the second bottom wall 2213d to form an end face seal with a second level of sealing protection; the sealing bone position 2234 of the outer circumferential surface of the main body 2231 is tightly attached to the first side wall 2213a to form a bone position seal with a third level of sealing protection; the outer circumferential surface of the protrusion 2232 is tightly attached to the inner wall of the second limiting hole 2233 to form a hole seal with a fourth level of sealing protection. The multiple protection design can ensure that the atomized medium or condensate will not leak into the bracket assembly 220 and contact the battery 210 to cause safety accidents such as shutdown or short circuit of the atomizer 10, which can reduce the magnitude of the defective rate caused by the hole sealing, making the product more stable and safe.

[0060] At the same time, by having the sealing bone 2234 tightly attached to the first side wall 2213a and / or the second side wall 2213c, not only can the battery cell 200 provided in the present application have the effect of multiple sealing protection, but also the sealing member 223 and the limiting groove 2213 can form a bone seal, thereby eliminating the influence of axial tolerance and eccentricity when the sealing member 223 is inserted in the limiting groove 2213, and can completely solve the defects of the end face sealing caused by the axial tolerance of the process, and can also completely solve the defects of the hole sealing caused by the axial deviation of the electrode 230 itself.

[0061] It is worth noting that the second bottom wall 2213d may not be present in the limiting groove 2213, and thus the third limiting hole 2213f may not be present. In this case, the limiting groove 2213 directly passes through the first bracket 221, and the above-mentioned multiple sealing protection effect can also be achieved.

[0062] In some embodiments, Figure 3 and Figure 5As shown, the second bracket 222 is a thin-walled shell 100 structure, having a accommodating cavity 2221 for accommodating the battery 210, the accommodating cavity 2221 includes a mounting position 2221a and a second clamping position 2221b connected to the mounting position 2221a, and the second clamping position 2221b and the first clamping position 2201 are arranged at intervals in the length direction of the second bracket 222. In an optional embodiment, a protrusion 2221c is respectively provided on the two opposite inner walls of the first bracket 221, thereby dividing the accommodating cavity 2221 to form an installation position 2221a and a second clamping position 2221b, wherein the contour of the installation position 2221a is substantially consistent with the shape of the battery cell 211, and in the direction from the first bracket 221 to the second bracket 222, the length dimension of the installation position 2221a is slightly larger than the length dimension of the battery cell 211, so that the battery cell 211 can be accommodated in the installation position 2221a; the shape and size of the second clamping position 2221b are substantially the same as the shape and size of the second circuit board 2122, so that the second circuit board 2122 can be exactly limited in the second clamping position 2221b.

[0063] In this way, by providing the bracket assembly 220 with the first clamping position 2201 and the second clamping position 2221b, the opposite ends of the battery 210 along its length direction are respectively limited in the first clamping position 2201 and the second clamping position 2221b, so that the battery 210 can be fixedly installed in the bracket assembly 220 without providing additional fixing parts in the battery unit 200, and the overall size of the battery unit 200 does not need to be increased, thereby saving production costs.

[0064] Further, see Figure 4 and Figure 5 In some embodiments, the connection method of the first bracket 221 and the second bracket 222 can be a snap connection, and two snap buckles 2222 arranged at intervals are provided on the outer periphery of one end of the second bracket 222 close to the first bracket 221. Correspondingly, the first bracket 221 is also provided with two corresponding slots 2214 at one end close to the second bracket 222, and each snap buckle 2222 is inserted into a slot 2214, so that the first bracket 221 and the second bracket 222 are detachably snap-connected together. Of course, the connection method of the first bracket 221 and the second bracket 222 is not limited to the connection method shown in the figure, and is not limited here.

[0065] In this way, by making the first bracket 221 and the second bracket 222 detachable, a split structure is used instead of the traditional integrated structure, which solves the problem of high bracket material cost caused by the traditional structure. Only high-performance materials need to be used for molding and production of the first bracket 221 for mounting the magnet, and a more cost-effective material can be used for the second bracket 222 that does not need to be mounted with the magnet, and there is no need to use a complex molding process, thereby saving production costs. In addition, by providing a second holding position 2221b in the second bracket 222, and by designing a boss 2212 on the first bracket 221, the first bracket 221 and the second bracket 222 jointly form a first holding position 2201, so that the battery 210 can be fixedly installed in the bracket assembly 220 without the aid of an additional fixing plate, saving the space for installing the fixing plate, saving the space occupied by the battery unit 200, and realizing the miniaturization and portability of the atomizer 10 product.

[0066] Combination Figures 1 to 9 As shown, based on the above battery cell 200, the sealing method of the electrode 230 is as follows:

[0067] The first step is to install the seal 223. The seal 223 is inserted into the limiting groove 2213 of the first bracket 221 and abuts against the step of the limiting groove 2213. Specifically, the protrusion 2232 of the seal 223 is inserted into the first limiting hole 2213e of the limiting groove 2213 with interference, the sealing bone 2234 of the outer peripheral surface of the body 2231 of the seal 223 is closely attached to the first side wall 2213a of the limiting groove 2213, and the end surface of the body 2231 of the seal 223 close to the protrusion 2232 abuts against the first bottom wall 2213b of the limiting groove 2213, and the end surface of the protrusion 2232 of the seal 223 away from the body 2231 abuts against the second bottom wall 2213d of the limiting groove 2213.

[0068] The second step is to install the battery 210 in the bracket assembly 220. The battery cell 211 of the battery 210 is limited in the installation position 2221a of the second bracket 222, and the battery cell 211 of the battery 210 is limited in the second clamping position 2221b of the second bracket 222 to limit the movement of the battery 210 in its length direction;

[0069] The electrode 230 of the battery 210 is inserted into the second limiting hole 2233 of the seal 223 with interference fit. Since the seal 223 has been installed on the first bracket 221 in the previous step, when the electrode 230 is inserted into the seal 223, one end of the battery 210 with the electrode 230 is installed on the first bracket 221.

[0070] The third step is to fix the battery 210. The buckle 2222 of the first bracket 221 is engaged with the slot 2214 of the second bracket 222, so that the first bracket 221 is engaged and connected to the second bracket 222. At this time, the first circuit board 2121 of the battery 210 is respectively pressed against the seal 223 and one end of the second bracket 222 close to the first bracket 221 on both sides along the thickness direction to limit the movement of the battery 210 in other directions, thereby completing the fixation of the battery 210 in the bracket assembly 220 and finally completing the sealing of the electrode 230.

[0071] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0072] The above-mentioned embodiment only expresses one implementation mode of the present invention, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the attached claims.

Claims

1. A battery cell, characterized in that: include: A bracket assembly, the bracket assembly includes a first bracket, a second bracket and a sealing member, the first bracket is detachably mounted on the second bracket, a limiting groove is provided at one end of the first bracket close to the second bracket, the inner wall of the limiting groove includes a first side wall, a first bottom wall and a second side wall, the first side wall is surrounded by the first bottom wall, a first limiting hole is provided on the first bottom wall, the inner circumference of the first limiting hole forms the second side wall, the first side wall, the first bottom wall and the second side wall together form a step; the sealing member includes a main body and a raised portion provided on one side of the main body, the raised portion is inserted into the first limiting hole, and the outer circumference of the raised portion is The outer surface of the body is tightly attached to the first side wall, and the surface of one side of the body close to the raised portion is pressed against the first bottom wall; the sealing member is provided with a second limiting hole penetrating the sealing member; the inner wall of the limiting groove also includes a second bottom wall, the second bottom wall is provided with a third limiting hole penetrating the first bracket, and the inner surface of the third limiting hole, the second bottom wall and the second side wall jointly form another step; one end of the raised portion away from the body is pressed against the second bottom wall; the sealing member is also provided with a sealing bone position surrounding the sealing member, and the sealing bone position is tightly attached to the first side wall and / or the second side wall; a battery, mounted in the bracket assembly; and An electrode is arranged at one end of the battery, the electrode is passed through the second limiting hole and partially exposed from the bracket assembly, and the outer circumference of the electrode is closely attached to the inner circumference of the second limiting hole.

2. The battery cell according to claim 1, characterized in that: The second bracket has a receiving cavity for receiving the battery, the first bracket and the second bracket together form a first holding position communicated with the receiving cavity, and the battery is received in the receiving cavity and the first holding position.

3. The battery cell according to claim 2, characterized in that: The accommodating cavity includes an installation position and a second clamping position spaced apart from the first clamping position, and opposite ends of the battery are respectively limited in the first clamping position and the second clamping position.

4. The battery cell according to claim 3, characterized in that: The first bracket is provided with a boss extending toward the second bracket, the limiting groove is provided on the boss, in the direction from the first bracket to the second bracket, the size of the sealing member is greater than or equal to the depth of the limiting groove, and the end surface of the sealing member close to the second bracket and the end surface of the second bracket close to the first bracket jointly define a clamping gap; The clamping gap, the second limiting hole and the third limiting hole jointly define the first clamping position.

5. The battery cell according to claim 3, characterized in that: The battery includes a battery cell, a first circuit board and a second circuit board. The first circuit board and the second circuit board are respectively arranged at opposite ends of the battery cell and are respectively connected to the battery cells. The electrodes are penetrated through the first circuit board. The first circuit board and the electrodes are limited to the first holding position, and the second circuit board is limited to the second holding position.

6. An electrode sealing method, characterized in that: The electrode sealing method is implemented based on the battery cell according to any one of claims 1 to 5, and the electrode sealing method comprises the following steps: Inserting the sealing member into the limiting groove of the first bracket and abutting against the step of the limiting groove, the sealing member and the limiting groove are in interference fit; Install the battery in the accommodating cavity of the second bracket, and insert the electrode into the second limiting hole of the sealing member, wherein the electrode and the second limiting hole are interference fit; The first bracket is connected to the second bracket to fix the battery in the bracket assembly.

7. The electrode sealing method according to claim 6, characterized in that: The step of inserting the sealing member into the limiting groove of the first bracket and abutting against the step of the limiting groove, wherein the sealing member and the limiting groove are interference fit, includes: Inserting the raised portion of the sealing member into the first limiting hole of the limiting groove in an interference fit manner; The end surface of the body of the sealing member close to the raised portion is pressed against the first bottom wall of the limiting groove; The end surface of the raised portion of the sealing member away from the main body is held against the second bottom wall of the limiting groove.

8. The electrode sealing method according to claim 6, characterized in that: The step of connecting the first bracket to the second bracket to fix the battery in the bracket assembly includes: The first bracket is snap-connected to the second bracket, so that two sides of the first circuit board of the battery are respectively abutted against the sealing component and an end of the second bracket close to the first bracket.

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