CN116526034A - Sleeve, battery top cover, battery and electric equipment - Google Patents

Sleeve, battery top cover, battery and electric equipment Download PDF

Info

Publication number
CN116526034A
CN116526034A CN202310539064.8A CN202310539064A CN116526034A CN 116526034 A CN116526034 A CN 116526034A CN 202310539064 A CN202310539064 A CN 202310539064A CN 116526034 A CN116526034 A CN 116526034A
Authority
CN
China
Prior art keywords
pole
sleeve
battery
top cover
bushing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202310539064.8A
Other languages
Chinese (zh)
Inventor
林法稳
房森基
张瑞朋
陈圣立
李勇军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zenio New Energy Battery Technologies Co Ltd
Original Assignee
Jiangsu Zenio New Energy Battery Technologies Co Ltd
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
Publication date
Application filed by Jiangsu Zenio New Energy Battery Technologies Co Ltd filed Critical Jiangsu Zenio New Energy Battery Technologies Co Ltd
Priority to CN202310539064.8A priority Critical patent/CN116526034A/en
Publication of CN116526034A publication Critical patent/CN116526034A/en
Pending legal-status Critical Current

Links

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 of a single cell or a single battery
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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 of a single cell or a single battery
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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 of a single cell or a single battery
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183—Sealing members
    • H01M50/186—Sealing members characterised by the disposition of the sealing members
    • H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/564—Terminals characterised by their manufacturing process
    • H01M50/567—Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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

Abstract

The invention relates to the technical field of batteries, in particular to a sleeve, a battery top cover, a battery and electric equipment. The sleeve is used for mounting the pole, a pole mounting hole is formed in the sleeve, and the sleeve is provided with a first end and a second end which are opposite in the height direction; at a first end of the sleeve, the sleeve is formed with a post weld zone. The casing can avoid welding slag generated by welding from splashing into the battery cell, and further can omit the step of cleaning the welding slag in the battery cell, so that the production efficiency can be improved, and potential safety hazards caused by the existence of the welding slag in the battery cell are avoided.

Description

Sleeve, battery top cover, battery and electric equipment
Technical Field
The invention relates to the technical field of batteries, in particular to a sleeve, a battery top cover, a battery and electric equipment.
Background
At present, the lithium ion power battery top cover is widely applied to the market, and the pole and the top cover are commonly assembled by PPS injection molding or riveting. And such connected mode for go the in-process of producing the line assembled battery after top cap and utmost point post assembly are accomplished, the electric core is when fixed with top cap laser welding, and the welding position is in between the gap of two electric cores, and then leads to the welding slag that the welding produced to splash easily in the electric core, and is located the difficult clearance of welding slag in the electric core, and then leads to the electric core to have the potential safety hazard.
Disclosure of Invention
The invention aims to provide a sleeve, a battery top cover, a battery and electric equipment, which can prevent welding slag generated by welding from splashing into a battery core, and further can omit the step of cleaning the welding slag in the battery core, so that the production efficiency can be improved, and potential safety hazards caused by the existence of the welding slag in the battery core are avoided.
Embodiments of the invention may be implemented as follows:
in a first aspect, the present invention provides a bushing for mounting a pole, the bushing having a pole mounting hole formed therein, the bushing having first and second opposite ends in a height direction; at a first end of the sleeve, the sleeve is formed with a post weld zone.
In an alternative embodiment, an annular protrusion is formed on the inner wall of the pole mounting hole toward the central axis of the pole mounting hole at the first end of the sleeve, and the inner wall of the annular protrusion and the end face of the first end together define a pole weld zone.
In an alternative embodiment, the outer edge of the end face of the first end is formed with a step recessed toward the second end.
In an alternative embodiment, the outer edge of the end face of the second end extends away from the central axis of the pole mounting hole to form a seat.
In an alternative embodiment, the outer wall of the sleeve is provided with a groove recessed toward the central axis of the pole mounting hole, and the groove is located between the step and the base.
In a second aspect, the present invention provides a battery top cover comprising a top cover sheet, at least one pole, at least one tab, and at least one sleeve as described above;
the top cover plate is provided with at least one through hole for installing sleeves, and each sleeve is correspondingly installed in one through hole;
the pole and the adapter plate are integrally formed and used for being welded with the pole lugs, the pole is assembled in the pole mounting hole and is welded with the pole welding area, and each pole corresponds to one sleeve.
In an alternative embodiment, the battery top cover further comprises a plastic part, the sleeve is spaced from the inner wall of the through hole, and at least part of the plastic part is filled in the gap between the sleeve and the through hole.
In an alternative embodiment, the end edge of the end of the pole away from the pole welding area extends away from the central axis of the pole mounting hole to form a flange, and the flange is abutted against the lower surface of the base of the sleeve.
In a third aspect, the present invention provides a battery, including a battery case, a bare cell, and a battery top cover as described above;
the switching piece of the top cover is connected with the bare cell, and the top cover and the bare cell are accommodated in the battery shell.
In a fourth aspect, the present invention provides a powered device comprising a battery as in the previous embodiments.
The beneficial effects of the embodiment of the invention include, for example:
the sleeve is used for mounting the pole, a pole mounting hole is formed in the sleeve, and the sleeve is provided with a first end and a second end which are opposite in the height direction; at a first end of the sleeve, the sleeve is formed with a post weld zone. Meanwhile, the integrated pole adapter piece is adopted, the welding position of the battery core and the top cover is transferred from the inside of the battery core to the outside of the battery core, the welding slag generated by welding can be prevented from splashing into the battery core by the sleeve, and then the step of cleaning the welding slag in the battery core can be omitted, so that the production efficiency can be improved, and potential safety hazards caused by the existence of the welding slag in the battery core are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a sleeve according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sleeve according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a battery top cover in an embodiment of the invention;
FIG. 4 is a partial schematic view of FIG. 3 at A;
fig. 5 is a partial schematic view at B in fig. 3.
Icon: 100-sleeve; 101-a pole mounting hole; 102-a first end; 103-a second end; 104-a post weld zone; 105-annular bulge; 106-steps; 107-a base; 108-grooves; 200-battery top cap; 210-a top cover sheet; 220-pole; 230-plastic parts; 221-flange.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1-5, the present embodiment provides a sleeve 100 for mounting a pole 220, wherein the sleeve 100 is formed with a pole mounting hole 101, and the sleeve 100 has a first end 102 and a second end 103 opposite to each other in a height direction; at a first end 102 of the sleeve 100, the sleeve 100 is formed with a post weld 104.
Referring to fig. 1-5, the sleeve 100 operates according to the following principle:
the sleeve 100 is used to mount the pole 220, whereby the sleeve 100 is formed with a pole mounting hole 101, the sleeve 100 having opposite first and second ends 102, 103 in the height direction; it should be noted that, the axial direction of the sleeve 100 is consistent with the height direction thereof, that is, two ends along the axial direction of the sleeve 100 are a first end 102 and a second end 103;
at the first end 102 of the sleeve 100, the sleeve 100 is provided with a pole welding area 104, the pole welding area 104 is used for being welded with a pole 220, so that the welding area is transferred from the inside of the battery core to the outside of the battery core in a mode of being connected with the pole 220 through the sleeve 100, welding slag generated by welding is prevented from splashing into the battery core, and further, the step of cleaning the welding slag in the battery core can be omitted, thereby improving the production efficiency, and avoiding potential safety hazards such as short circuit and the like caused by the existence of the welding slag in the battery core.
In the present embodiment, the positive electrode 220 may be the positive electrode 220 or the negative electrode 220, and the positive and negative electrodes 220 are not described differently.
Further, referring to fig. 1 to 5, in the present embodiment, when the pole welding region 104 of the first end 102 of the sleeve 100 is disposed at the first end 102 of the sleeve 100, an annular protrusion 105 is formed on the inner wall of the pole mounting hole 101 toward the central axis direction of the pole mounting hole 101, and the pole welding region 104 is defined by the inner wall of the annular protrusion 105 and the end face of the first end 102, so that the welding area between the sleeve 100 and the pole welding region 104 can be increased, and the connection stability of the pole 220 can be increased by the annular protrusion.
Meanwhile, a step 106 recessed toward the second end 103 is formed at the outer edge of the end surface of the first end 102, and by providing the step 106, a relief surface can be formed, so that the first end 102 can form an injection molding spill-proof surface when the sleeve 100 is injection-molded. Moreover, in order to improve the stability of injection connection, the outer wall of the sleeve 100 is provided with a groove 108 recessed toward the central axis direction of the pole mounting hole 101, the groove 108 is located between the step 106 and the base 107, and the accommodating space of the injection molding piece can be increased during injection connection through the arrangement of the groove 108, so that the stability of injection connection is improved.
Based on the above structure, the outer edge of the end surface of the second end 103 in the sleeve 100 extends in a direction away from the central axis of the pole mounting hole 101 to form the base 107, and the connection stability between the sleeve 100 and the top cover 210 can be improved by the arrangement of the base 107, and the base 107 is arranged, so that the sleeve 100 is prevented from being dislocated or displaced during the mounting process, and therefore, when the outer contour of the base 107 is circular, at least one anti-rotation groove is arranged on the base 107, and the outer contour of the base 107 can be also arranged as a plurality of sides.
In summary, referring to fig. 1-5, the present invention further provides a battery top cover 200, which includes a top cover 210, at least one pole 220, at least one switching piece, and at least one sleeve 100, based on the sleeve 100;
the top cover 210 is provided with at least one through hole for installing the sleeves 100, and each sleeve 100 is correspondingly installed in one through hole;
the pole 220 is integrally formed with the adapter plate and is used for welding with the pole lugs, the pole 220 is assembled in the pole mounting hole 101 and is welded with the pole welding area 104, and each pole 220 corresponds to one sleeve 100.
It can be appreciated that the number of through holes may be one or two. When the through hole is one, the post 220 and the cap piece 210 may have different polarities; the post 220 and the cap plate 210 may be respectively electrically conductive outwardly as two output electrodes of the battery; when the number of the through holes is two, the two poles 220 are also provided, the two poles 220, the two sleeves 100 and the two through holes are correspondingly provided one by one, at this time, the two poles 220 have different polarities, and the two poles 220 can be respectively used as two output electrodes of the battery. When there are two through holes, the top cover sheet 210 may be electrically connected to any one of the two posts 220, and may be used as a battery output electrode together with the post 220. In addition, a plurality of through holes may be formed in the top cover sheet 210 according to actual needs, and a plurality of poles 220 having the same or opposite polarities may be correspondingly formed.
In summary, through such setting mode, when connecting utmost point post 220 with sleeve 100, utmost point post 220 and sleeve 100's first end 102 welded connection, at this moment, adopt integrated into one piece's mode with utmost point post 220, the welding step of switching piece and utmost point post 220 has been cancelled, from this, can avoid when connecting utmost point post 220, avoid the welding slag that the welding produced to splash in the electric core, and then can save the step of clearing up the welding slag in the electric core, thereby can improve production efficiency, and avoid there is the potential safety hazard in the electric core because of having the welding slag.
Further, referring to fig. 1 to 5, in the process of connecting the casing 100 and the top cover 210, a manner of mounting the casing 100 in the through hole of the top cover 210 is adopted, and the casing 100 is provided with a groove 108, at least part of the groove 108 is opposite to the through hole, so that the battery top cover 200 further comprises a plastic member 230, when the plastic member 230 is mounted, the casing 100 is spaced from the inner wall of the through hole, and at least part of the plastic member 230 is filled in the gap between the casing 100 and the through hole, thereby improving the connection stability between the casing 100 and the top cover 210 in such a manner; it should be noted that the plastic member 230 may be molded by injection molding.
Further, referring to fig. 1-5, in order to increase the connection stability between the pole 220 and the sleeve 100, on the basis of the welded connection between the pole 220 and the pole welding area 104 of the first end 102 of the sleeve 100, a flange 221 is formed by extending an end edge of the pole 220 away from the pole welding area 104 in a direction away from the central axis of the pole mounting hole 101, and the flange 221 abuts against the lower surface of the base 107 of the sleeve 100.
Referring to fig. 1-5, the present invention further provides a battery, including a battery case, a bare cell, and the battery top cover 200; the switching piece of the top cover is connected with the bare cell, and the top cover and the bare cell are accommodated in the battery shell.
This battery through adopting foretell battery top cap 200, when can avoiding welded connection post 220, the welding slag that produces splashes to the electricity in the core, and then can save the step of clearing up the welding slag in the electric core to can improve production efficiency, and avoid there is the potential safety hazard because of having the welding slag in the electric core.
In summary, the present invention also provides an electric device, including a battery according to the foregoing embodiment. The electric equipment can be automobiles, mobile phones, portable equipment, notebook computers, ships, spacecrafts, electric toys, electric tools and the like. The automobile can be a fuel oil automobile, a fuel gas automobile and a new energy automobile, and the new energy automobile can be a pure electric automobile, a hybrid electric automobile or a range-extended automobile and the like; spacecraft including fans, rockets, space shuttles, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers. The embodiment of the application does not limit the electric equipment. The electric equipment can avoid potential safety hazards caused by welding slag in the battery core by adopting the battery.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims (10)

1. A bushing for mounting a pole (220), characterized in that the bushing (100) is formed with a pole mounting hole (101), the bushing (100) having a first end (102) and a second end (103) opposite in height; at a first end (102) of the sleeve (100), the sleeve (100) is formed with a post weld zone (104).
2. The bushing of claim 1, wherein at the first end (102) of the bushing (100), an annular protrusion (105) is formed on an inner wall of the pole mounting hole (101) in a direction of a central axis of the pole mounting hole (101), and the inner wall of the annular protrusion (105) and an end surface of the first end (102) together define the pole welding area (104).
3. A sleeve according to claim 1, characterized in that the end face outer edge of the first end (102) is formed with a step (106) recessed towards the second end (103).
4. A bushing according to claim 3, characterized in that the outer edge of the end face of the second end (103) extends away from the central axis of the pole mounting hole (101) to form a seat (107).
5. The bushing of claim 4, wherein a groove (108) recessed toward a central axis direction of the pole mounting hole (101) is formed in an outer wall of the bushing (100), and the groove (108) is located between the step (106) and the base (107).
6. A battery top cover characterized by comprising a top cover sheet (210), at least one pole (220), at least one switching piece and at least one bushing (100) according to any of claims 1-5;
the top cover sheet (210) is provided with at least one through hole for installing the sleeves (100), and each sleeve (100) is correspondingly installed in one through hole;
the pole (220) and the adapter piece are integrally formed and used for being welded with the pole lugs, the pole (220) is assembled in the pole mounting hole (101) and is welded with the pole welding area (104), and each pole (220) corresponds to one sleeve (100).
7. The battery top cover of claim 6, wherein,
the battery top cover (200) further comprises a plastic part (230), the sleeve (100) is spaced from the inner wall of the through hole, and at least part of the plastic part (230) is filled in the gap between the sleeve (100) and the through hole.
8. The battery top cover according to claim 6, wherein an end face edge of the end of the pole (220) away from the pole welding region (104) extends away from the central axis of the pole mounting hole (101) to form a flange (221), and the flange (221) abuts against the lower surface of the base (107) of the sleeve (100).
9. A battery comprising a battery housing, a bare cell, and a battery top cap (200) according to any of claims 6-8;
the switching piece of the top cover is connected with the bare cell, and the top cover and the bare cell are accommodated in the battery shell.
10. A powered device comprising the battery of claim 9.
CN202310539064.8A 2023-05-15 2023-05-15 Sleeve, battery top cover, battery and electric equipment Pending CN116526034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310539064.8A CN116526034A (en) 2023-05-15 2023-05-15 Sleeve, battery top cover, battery and electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310539064.8A CN116526034A (en) 2023-05-15 2023-05-15 Sleeve, battery top cover, battery and electric equipment

Publications (1)

Publication Number Publication Date
CN116526034A true CN116526034A (en) 2023-08-01

Family

ID=87408052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310539064.8A Pending CN116526034A (en) 2023-05-15 2023-05-15 Sleeve, battery top cover, battery and electric equipment

Country Status (1)

Country Link
CN (1) CN116526034A (en)

Similar Documents

Publication Publication Date Title
CN213401344U (en) Battery cell, battery and power consumption device
US11962045B1 (en) Energy storage device and power consuming apparatus
CN116526034A (en) Sleeve, battery top cover, battery and electric equipment
EP4354608A1 (en) Battery cell, battery and power consuming device
CN219917344U (en) Top cap, battery and consumer
CN217485645U (en) End cover assembly, battery monomer, battery and consumer
CN116259893A (en) Top cover, battery, electric equipment and top cover assembly method
CN210137237U (en) Stator shell and range extender of generator
CN210628229U (en) Fuse for protecting 48V battery system of electric vehicle
CN220086199U (en) Top cap, power battery and consumer
CN220021554U (en) Cylindrical battery and electricity utilization device
CN217848114U (en) Top cover assembly, secondary battery, battery module and electric device
CN220382205U (en) Secondary battery and electronic equipment
CN220021337U (en) Top cover structure of power battery, power battery and electric equipment
CN220382203U (en) Battery cover plate assembly, secondary battery and electronic equipment
CN220138627U (en) Secondary battery and electricity utilization device
CN219873760U (en) Battery monomer, battery and power consumption device
CN220021200U (en) Limit structure of battery, battery and consumer
CN220138638U (en) Tab protection structure, top cover structure, battery and power utilization device
CN220066045U (en) Battery monomer, battery and power consumption device
CN220253349U (en) Top cover assembly, battery cell, battery and electricity utilization device
CN219759878U (en) Current collecting disc of battery, battery and electric equipment
CN220138535U (en) Battery, shell thereof and electricity utilization device
CN220253380U (en) Battery monomer, battery and power consumption device
CN219677394U (en) Top cover structure, power battery and electric equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination