WO2019056852A1 - 电池的绝缘环 - Google Patents

电池的绝缘环 Download PDF

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Publication number
WO2019056852A1
WO2019056852A1 PCT/CN2018/097173 CN2018097173W WO2019056852A1 WO 2019056852 A1 WO2019056852 A1 WO 2019056852A1 CN 2018097173 W CN2018097173 W CN 2018097173W WO 2019056852 A1 WO2019056852 A1 WO 2019056852A1
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WO
WIPO (PCT)
Prior art keywords
ring
hole
wrapping
insulating
cylindrical body
Prior art date
Application number
PCT/CN2018/097173
Other languages
English (en)
French (fr)
Inventor
王有生
丁朝阳
丁坤
Original Assignee
深圳市瑞德丰精密制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 深圳市瑞德丰精密制造有限公司 filed Critical 深圳市瑞德丰精密制造有限公司
Publication of WO2019056852A1 publication Critical patent/WO2019056852A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/184—Sealing members characterised by their shape or structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the utility model relates to the technical field of an insulating ring, in particular to an insulating ring of a battery.
  • Lithium batteries are Its high capacity and other excellent characteristics are widely used in electronic products.
  • the lithium battery includes a casing, a cover sheet, a battery core and the like, wherein the electric core is disposed inside the casing, the upper end of the casing has an upper end opening, and the top cover piece is closed at an opening of the upper end of the casing, and the top cover is disposed There is a conductive block, the lower part of the conductive block is connected to the battery core through the conductive sheet, and the upper end extends through the hole of the top cover sheet to the outside of the battery to realize power supply to the outside.
  • the conductive block comprises a base and a column disposed on the base, wherein the base is disposed at a bottom of the top cover piece, and the column body passes outside the lithium battery extending from the column hole on the top cover piece.
  • the cylinder After the cylinder passes through the top cover sheet, in order to avoid direct contact between the cylinder and the top cover sheet, the cylinder needs to be wrapped with an insulating material, so as to avoid short circuit of the battery.
  • the insulating ring of the battery provided by the utility model is intended to solve the problem that the direct contact between the column body and the top cover piece is easy to cause short circuit of the battery and the gap between the outer peripheral side wall of the column body and the column hole is required to be solved in the prior art. Filling prevents the problem of twisting of the conductive block during use.
  • the utility model is realized by the method, comprising a horizontally arranged ring body, the ring body enclosing a through hole formed through the column body, the lower surface of the ring body is provided with a wrapping ring for wrapping the column body, A wrapping ring is disposed around an outer circumference of the through hole, and the wrapping ring extends downward.
  • the thickness of the ring body is the same, and the ring body is elliptical.
  • the upper surface of the ring body is provided with a convex ring, and the through hole is disposed in a region surrounded by the convex ring.
  • the convex ring is arranged along a peripheral edge of the ring body.
  • the convex ring extends upward.
  • the insulating ring of the battery provided by the utility model is provided with a through hole on the ring body, and the lower surface of the ring body is provided with a wrapping ring surrounding the outer circumference of the through hole, and the column body is worn during the assembly process.
  • the insulating ring is installed in the reserved position.
  • the upper part of the column body is embedded in the through hole, and the lower part is completely wrapped by the wrapping ring, thereby avoiding direct contact between the column and the top cover piece. Thereby achieving the function of insulation.
  • the downwardly extending wrapping ring is filled in the gap between the outer peripheral side wall of the cylinder and the inner side wall of the column hole, and has a fixed action on the column body, prevents the column from twisting, and has an anti-twisting effect.
  • the wrapping ring is filled in the gap between the cylinder and the top cover sheet, and has a sealing function to prevent foreign matter from entering the inside of the battery. In this way, the problem that the direct contact between the column and the top cover piece easily causes the battery to be short-circuited and the gap between the outer peripheral side wall of the column body and the column hole needs to be filled to prevent the conductive block from being twisted during use is solved. .
  • FIG. 1 is a perspective view of an insulating ring of a battery according to an embodiment of the present invention
  • FIG. 2 is a front elevational view of an insulating ring of a battery provided by an embodiment of the present invention.
  • the insulating ring of the battery passed by the utility model is used for solving the situation that the direct contact between the column body and the top cover piece is easy to cause the battery to be short-circuited, and the gap between the outer peripheral side wall of the column body and the column hole is not sealed, and the foreign matter enters the battery. Internal, it is not conducive to the use of the battery.
  • the insulating ring can be applied to various batteries using an insulating ring, and is not limited to this embodiment.
  • the insulating ring of the battery includes a ring body 11 which is horizontally arranged.
  • the ring body 11 is provided with a through hole 12 through which the column body passes.
  • the shape of the through hole 12 matches the shape of the column body, so that the through hole 12
  • the hole 12 is more closely fitted to the cylinder.
  • a wrapping ring 13 for wrapping the cylinder is disposed on the lower surface of the ring body 11, and the wrapping ring 13 is disposed around the outer circumference of the through hole 12, and the wrapping ring 13 extends downward. According to actual needs, the extending direction of the wrapping ring 13 can be adjusted according to the shape of the outer peripheral side wall of the cylinder.
  • the insulating ring of the battery provided above is provided with a through hole 12 in the ring body 11, and the lower surface of the ring body 11 is provided with a wrapping ring 13 surrounding the outer periphery of the through hole 12, and during the assembly process, when the column passes through the top cover piece After reaching the predetermined position, the insulating ring is installed in the reserved position, at which time the upper portion of the cylinder is embedded in the through hole 12, and the lower portion is completely wrapped by the wrapping ring 13, thereby avoiding direct contact between the column and the top cover sheet.
  • the downwardly extending wrapping ring 13 is filled in the gap between the outer peripheral side wall of the cylinder and the inner side wall of the column hole, has a fixed action on the column body, prevents the column from twisting, and has an anti-twisting effect.
  • the wrapping ring 13 is filled in the gap between the cylinder and the top cover sheet, and has a sealing function to prevent foreign matter from entering the inside of the battery. In this way, the problem that the direct contact between the column and the top cover piece easily causes the battery to be short-circuited and the gap between the outer peripheral side wall of the column body and the column hole needs to be filled to prevent the conductive block from being twisted during use is solved. .
  • the thickness of the ring body 11 is set to be the same.
  • the ring body 11 When the ring body 11 is placed at a predetermined position, the lower surface thereof abuts against the upper surface of the top cover sheet, and the upper surface thereof and the lower surface of the rivet piece The surface abuts, and the ring body 11 having the same thickness everywhere makes the ring body 11 fit with the riveting piece and the top cover piece, which is more convenient for assembly of the battery.
  • the ring body 11 has an elliptical shape, and the ring body 11 can also be set to other shapes according to actual needs.
  • the inner side wall of the wrapping ring 13 and the inner side wall of the through hole 12 smoothly transition.
  • the shape of the inner wall of the wrapping ring 13 is exactly the same as the shape of the inner side wall of the through hole 12, and the smooth transition between the two is favorable for the column to smoothly pass through the wrapping ring 13 and the through hole 12, so that the battery Can be assembled quickly.
  • the upper surface of the ring body 11 is provided with a convex ring 14 which is disposed in a region surrounded by the convex ring 14.
  • the riveting piece is connected with the column body, and the riveting piece is embedded in the area formed by the convex ring 14 and the ring body 11, so that the connection between the riveting piece and the column body is more stable.
  • the convex ring 14 has a protective effect on the rivet piece.
  • the collar 14 is disposed along the outer peripheral edge of the ring body 11.
  • the convex ring 14 is formed by the outer peripheral edge of the ring body 11 being convex upward, so that in the case where the area of the ring body 11 is fixed, the area inside the convex ring 14 is maximized, so that the pole column can be larger than the area. Riveting tabs are connected to facilitate power supply to the outside world.
  • the collar 14 is arranged to extend upward.
  • the outer peripheral side wall of the rivet piece is engaged with the inner side of the convex ring 14, and the fit is better.
  • the height of the collar 14 is the same as the thickness of the rivet piece.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

本申请涉及绝缘环的技术领域，公开了电池的绝缘环，包括水平布置的环体（11），环体（11）包围形成有供柱体穿过的通孔（12），环体（11）的下表面设置有用于包裹柱体的包裹圈（13），包裹圈（13）环绕通孔（12）的外周布置，且包裹圈（13）朝下延伸。通过在环体（11）上设置通孔（12），环体（11）的下表面设置有环绕通孔（12）外周的包裹圈（13），在装配过程中，当柱体穿过顶盖片到达预定位置后，将绝缘环安装在预留位置，此时柱体的上部嵌入到通孔（12）中，下部被包裹圈（13）完全包裹住，避免了柱体与顶盖片的直接接触，从而实现绝缘的功能。另外，朝下延伸的包裹圈（13）填充在柱体的外周侧壁与柱孔的内侧壁之间的间隙中，对柱体具有固定的作用，防止柱体的扭动，具有防扭的作用。

Description

电池的绝缘环 技术领域
本实用新型涉及绝缘环的技术领域，尤其是电池的绝缘环。
 背景技术
目前，随着电子产品的日益小型化、轻便化及便携带化，如摄像机、笔记本以及手机等，这些电子产品的驱动电源也向着高容量、高安全性以及轻便化的方向发展，锂电池以其高容量等优良特性，广泛地运用在电子产品中。
锂电池包括壳体、顶盖片以及电芯等，其中电芯置于壳体的内部，壳体的上端具有上端开口，顶盖片则封闭在壳体的上端的开口，顶盖板上设置有导电块，导电块的下部通过导电片与电芯连接，上端穿过顶盖片孔延伸到电池外，实现对外部的供电。
其中，导电块包括底座和设置在底座上的柱体，其中底座设置在顶盖片的底部，柱体穿过顶盖片上的柱孔延伸的锂电池外。当柱体穿过顶盖片后，为了避免柱体与顶盖片直接接触，需要对柱体进行使用绝缘材料包裹，这样避免电池发生短路的情况发生。另外，需要对柱体的外周侧壁与柱孔之间的间隙进行填充，防止导电块在使用的过程中发生扭动。
 技术问题
本实用新型提供的电池的绝缘环，旨在解决现有技术中，柱体与顶盖片直接接触容易导致电池短路的情况发生以及需要对柱体的外周侧壁与柱孔之间的间隙进行填充，防止导电块在使用过程中产生扭动的问题。
 技术解决方案
本实用新型是这样实现的，包括水平布置的环体，所述环体包围形成有供柱体穿过的通孔，所述环体的下表面设置有用于包裹柱体的包裹圈，所述包裹圈环绕所述通孔的外周布置，且所述包裹圈朝下延伸。
进一步地，所述环体各处的厚度相同，且所述环体呈类椭圆形。
进一步地，所述包裹圈的内侧壁与所述通孔的内侧壁之间光滑过渡。
进一步地，所述环体的上表面设置有凸环 ，所述通孔设置在所述凸环所包围的区域内。
进一步地，所述凸环沿所述环体的外周边缘布置。
进一步地，所述凸环朝上延伸。
 有益效果
与现有技术相比，本实用新型提供的电池的绝缘环，通过在环体上设置通孔，环体的下表面设置有环绕通孔外周的包裹圈，在装配过程中，当柱体穿过顶盖片到达预定位置后，将绝缘环安装在预留位置，此时柱体的上部嵌入到通孔中，下部被包裹圈完全包裹住，避免了柱体与顶盖片的直接接触，从而实现绝缘的功能。另外，朝下延伸的包裹圈填充在柱体的外周侧壁与柱孔的内侧壁之间的间隙中，对柱体具有固定的作用，防止柱体的扭动，具有防扭的作用。此外，包裹圈填充在柱体与顶盖片之间的间隙，具有密封的作用，可以避免外界物质进入电池内部。这样，解决了柱体与顶盖片直接接触容易导致电池短路的情况发生以及需要对柱体的外周侧壁与柱孔之间的间隙进行填充，防止导电块在使用过程中产生扭动的问题。
 附图说明
图1是本实用新型实施例提供的电池的绝缘环的立体示意图；
图2是本实用新型实施例提供的电池的绝缘环主视示意图。
 本发明的实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
以下结合具体实施例对本实用新型的实现进行详细的描述。
本实施例的附图中相同或相似的标号对应相同或相似的部件；在本实用新型的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
参照图1~2所示，为本实用新型提供的较佳实施例。
本实用新型通过的电池的绝缘环，用于解决柱体与顶盖片直接接触容易导致电池短路的情况发生以及柱体的外周侧壁与柱孔之间的间隙未进行密封，外界物质进入电池内部，不利于电池的使用的问题。该绝缘环可运用到各种用到绝缘环的电池中，不仅限于本实施例。
电池的绝缘环，包括环体11，该环体11水平布置，环体11上设置有供柱体穿过的通孔12，该通孔12的形状与柱体的形状相契合，这样使得通孔12与柱体配合的更加紧密。在环体11的下表面设置有用于包裹柱体的包裹圈13，包裹圈13环绕通孔12的外周布置，且包裹圈13朝下延伸。根据实际需要，包裹圈13的延伸方向可根据柱体的外周侧壁的形状进行调整。
上述提供的电池的绝缘环，通过在环体11上设置通孔12，环体11的下表面设置有环绕通孔12外周的包裹圈13，在装配过程中，当柱体穿过顶盖片到达预定位置后，将绝缘环安装在预留位置，此时柱体的上部嵌入到通孔12中，下部被包裹圈13完全包裹住，避免了柱体与顶盖片的直接接触。另外，朝下延伸的包裹圈13填充在柱体的外周侧壁与柱孔的内侧壁之间的间隙中，对柱体具有固定的作用，防止柱体的扭动，具有防扭的作用。此外，包裹圈13填充在柱体与顶盖片之间的间隙，具有密封的作用，可以避免外界物质进入电池内部。这样，解决了柱体与顶盖片直接接触容易导致电池短路的情况发生以及需要对柱体的外周侧壁与柱孔之间的间隙进行填充，防止导电块在使用过程中产生扭动的问题。
为了便于电池的安装，将环体11各处的厚度设置为相同，当环体11置于预定的位置时，其下表面与顶盖片的上表面抵接，其上表面与铆接片的下表面抵接，各处厚度相同的环体11使得环体11与铆接片及顶盖片的配合跟好，更便于电池的组装。本实施例中，环体11呈类椭圆形，根据实际需要，环体11亦可设置为其他形状。
本实施例中，包裹圈13的内侧壁与通孔12的内侧壁之间光滑过渡。实际上，包裹圈13的内壁的形状大小与通孔12的内侧壁的形状大小完全相同，两者之间光滑过渡，这样有利于柱体顺利的穿过包裹圈13及通孔12，使得电池能够快速的进行组装。
本实施例中，环体11的上表面设置有凸环14 ，通孔12设置在凸环14所包围的区域内。在柱体与绝缘环安装完成后，将铆接片与柱体进行连接，此时铆接片嵌入到凸环14与环体11所形成的区域中，这样使得铆接片与柱体的连接更加稳固，且凸环14对铆接片具有保护作用。
具体地，凸环14沿环体11的外周边缘布置。实际上，凸环14是由环体11的外周边缘朝上凸起形成，这样，在环体11面积固定的情况下，使得凸环14内部的区域最大，使得极柱可以与面积更大的铆接片连接，方便对外界的供电。
为了与铆接片更好的配合，将凸环14设置为朝上延伸。这样，当铆接片嵌入后，铆接片的外周侧壁与凸环14的内侧相契合，配合的更好。另外，凸环14的高度与铆接片的厚度相同。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (6)

  1. 电池的绝缘环，其特征在于，包括水平布置的环体，所述环体包围形成有供柱体穿过的通孔，所述环体的下表面设置有用于包裹柱体的包裹圈，所述包裹圈环绕所述通孔的外周布置，且所述包裹圈朝下延伸。
  2. 如权利要求1所述的电池的绝缘环，其特征在于，所述环体各处的厚度相同，且所述环体呈类椭圆形。
  3. 如权利要求2所述的电池的绝缘环，其特征在于，所述包裹圈的内侧壁与所述通孔的内侧壁之间光滑过渡。
  4. 如权利要求1至3任一项所述的电池的绝缘环，其特征在于，所述环体的上表面设置有凸环 ，所述通孔设置在所述凸环所包围的区域内。
  5. 如权利要求4所述的电池的绝缘环，其特征在于，所述凸环沿所述环体的外周边缘布置。
  6. 如权利要求5所述的电池的绝缘环，其特征在于，所述凸环朝上延伸。
PCT/CN2018/097173 2017-09-19 2018-08-09 电池的绝缘环 WO2019056852A1 (zh)

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CN201721205184.0U CN207265106U (zh) 2017-09-19 2017-09-19 电池的绝缘环
CN201721205184.0 2017-09-19

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Publication number Priority date Publication date Assignee Title
CN207265106U (zh) * 2017-09-19 2018-04-20 深圳市瑞德丰精密制造有限公司 电池的绝缘环
CN110247011A (zh) * 2019-07-13 2019-09-17 常州瑞德丰精密技术有限公司 带引流功能的电池顶盖

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