CN220021338U - Battery cover plate assembly, battery pack and electric equipment - Google Patents

Battery cover plate assembly, battery pack and electric equipment Download PDF

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Publication number
CN220021338U
CN220021338U CN202321371641.9U CN202321371641U CN220021338U CN 220021338 U CN220021338 U CN 220021338U CN 202321371641 U CN202321371641 U CN 202321371641U CN 220021338 U CN220021338 U CN 220021338U
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CN
China
Prior art keywords
cover plate
battery
pole
recess
battery cover
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Active
Application number
CN202321371641.9U
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Chinese (zh)
Inventor
陈冲
王信月
程晗
邓洞军
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN202321371641.9U priority Critical patent/CN220021338U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a battery cover plate assembly, a battery pack and electric equipment, wherein the battery cover plate assembly comprises: the cover plate body is provided with a first through installation channel, a first concave part is arranged on a first side of the cover plate body, and a second concave part extending along the circumferential direction of the first installation channel is arranged on a second side of the cover plate body; the pole is arranged in the first installation channel, and the first end of the pole extends out of the first installation channel; the insulating piece is arranged between the cover plate main body and the pole, and one part of the insulating piece is arranged in the first concave part; the fixing piece is arranged at the second end of the pole to fix the pole to the cover plate main body; the sealing piece is arranged between the cover plate main body and the fixing piece, and a part of the sealing piece is arranged in the second concave part. According to the battery cover plate assembly, the first concave part and the second concave part are arranged on the cover plate main body, so that the size of the battery cover plate assembly in the thickness direction is reduced, and the capacity of a battery can be improved.

Description

Battery cover plate assembly, battery pack and electric equipment
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a battery cover plate assembly, a battery pack and electric equipment.
Background
The insulating part, the conductive column, the lamination and the like in the existing battery cover plate structure are subjected to integral injection molding in advance, the insulating part melt is required to wrap the conductive column, the filling lamination and the like in the injection molding process, the production process, the die and the clamp are complex, the protruding dimensions of the two sides of the battery cover plate structure are high, the occupied space is more, the available space in the height direction of the pole core is relatively wasted, and the battery capacity is enabled to be smaller than the same ratio under the condition of the same appearance height dimension.
Disclosure of Invention
The first object of the present utility model is to provide a new technical solution of a battery cover assembly, which at least can solve the technical problem that the battery capacity of the existing battery is small due to the large space occupied by the battery cover assembly.
A second object of the present utility model is to provide a battery comprising the above battery cover assembly.
A third object of the present utility model is to provide a battery pack including the above battery.
A fourth object of the present utility model is to provide a powered device comprising the above battery pack or battery.
According to a first aspect of the present utility model, there is provided a battery cover plate assembly comprising: the cover plate comprises a cover plate body, wherein the cover plate body is provided with a first installation channel penetrating along the thickness direction of the cover plate body, a first concave part extending along the circumferential direction of the first installation channel is arranged on the first side of the cover plate body, and a second concave part extending along the circumferential direction of the first installation channel is arranged on the second side of the cover plate body; the pole is arranged in the first installation channel, and the first end of the pole extends out of the first installation channel; the insulating piece is arranged between the cover plate main body and the pole to insulate the pole from the cover plate main body, and a part of the insulating piece is arranged in the first concave part; the fixing piece is arranged at the second end of the pole, and is matched with the insulating piece to fix the pole to the cover plate main body; the sealing piece is arranged between the cover plate main body and the fixing piece to seal a gap between the pole and the cover plate main body, and a part of the sealing piece is arranged in the second concave part.
Optionally, a first protruding portion extending along a circumferential direction of the first mounting channel is disposed on the first side of the cover plate main body, and the first protruding portion is disposed between the first mounting channel and the first recess.
Optionally, the first recess is formed as an annular groove extending in a circumferential direction of the first mounting channel, and a thickness of the first protrusion is greater than a depth of the first recess in an axial direction of the first mounting channel.
Optionally, the first recess is formed as a circumferentially extending annular groove of the first mounting channel.
Optionally, in the thickness direction of the cover plate main body, the projection of the first recess portion is not coincident with the projection of the second recess portion.
Optionally, the first end of the pole is provided with a stop portion extending along the circumferential direction of the first mounting channel, one side, away from the cover plate main body, of the insulating piece is provided with a third recess portion, and the stop portion is arranged on the third recess portion.
Optionally, the circumferential side wall of the stop portion is provided with a first matching portion, the circumferential side wall of the third recess portion is provided with a first limiting portion, and the first matching portion is matched with the first limiting portion.
Optionally, the first mounting channel is provided with a second limiting part extending along the axis of the first mounting channel; a second matching part is arranged on one side, close to the outer peripheral surface of the pole, of the insulating part towards the direction where the sealing part is arranged, and the second matching part is matched with the second limiting part; and a third matching part is arranged on one side, close to the outer peripheral surface of the pole, of the sealing element towards the direction where the insulating element is located, and the third matching part is matched with the second limiting part.
Optionally, the second mating portion and the third mating portion form an annular structure respectively, and one end of the second mating portion, which is close to the sealing member, is attached to the third mating portion.
Optionally, the second side of the cover main body is provided with a second protruding portion corresponding to the position of the first recessed portion, and the battery cover assembly further includes: the spacer ring is provided with a fourth concave part matched with the second convex part, the second convex part is arranged on the fourth concave part, the spacer ring is provided with a second installation channel suitable for the fixing piece to pass through, the fixing piece is arranged on the second installation channel, and the spacer ring is connected with the cover plate main body.
Optionally, the fixing piece is formed as a conductive piece, a fifth recess is provided on a side of the spacer away from the cover main body, and the battery cover assembly further includes: the leading-out piece is arranged in the fifth concave part, the leading-out piece is provided with a third installation channel which is suitable for the fixing piece to pass through, and the fixing piece is arranged in the third installation channel and is electrically connected with the leading-out piece.
Optionally, the fixing member and the lead-out member are integrally formed.
According to a second aspect of the present utility model, there is provided a battery comprising: a housing provided with an opening; above-mentioned battery cover plate subassembly, battery cover plate subassembly lid is located the opening of shell.
According to a third aspect of the present utility model, there is provided a battery pack comprising: the bag comprises a bag body and the battery, wherein the battery is arranged in the bag body.
According to a fourth aspect of the present utility model, there is provided a powered device, comprising: the battery or the battery pack.
According to the battery cover plate assembly, the first concave part is arranged on the first side of the cover plate main body, and the second concave part is arranged on the second side of the cover plate main body, so that the part of the insulating part and the part of the sealing part can extend into the cover plate main body, the size of the battery cover plate assembly in the thickness direction is reduced, and the capacity of a battery is improved relative to a battery with the same size.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic view of the overall structure of a battery cover plate assembly according to one embodiment provided by the present utility model;
fig. 2 is a partial structural schematic view of a battery cover plate assembly according to one embodiment provided by the present utility model;
FIG. 3 is a cross-sectional view of a battery cover assembly according to one embodiment provided by the present utility model;
fig. 4 is a top view of a cover body of a battery cover assembly according to one embodiment of the present utility model;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a partial structural exploded view of a battery cover plate assembly according to one embodiment provided by the present utility model;
FIG. 7 is a cross-sectional view of a post of a battery cover assembly according to one embodiment provided by the present utility model;
FIG. 8 is a perspective view of an insulator according to one embodiment provided by the present utility model;
fig. 9 is a perspective view of a seal according to one embodiment provided by the present utility model.
Reference numerals:
a battery cover assembly 100;
a cover main body 10; a first mounting channel 11; a second stopper 111; a first concave portion 12; a second concave portion 13; a first boss 14; a second boss 15;
a pole 20; a stopper 21; a first fitting portion 211;
an insulator 30; a third recess 31; a first stopper 311; a second fitting portion 32;
a fixing member 40;
a seal 50; a third fitting portion 51;
spacer ring 60; a fourth concave portion 61;
a lead-out member 70; and a third mounting channel 71.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
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 discussion thereof is necessary in subsequent figures.
A battery cover assembly 100 according to an embodiment of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 9, a battery cap assembly 100 according to an embodiment of the present utility model includes a cap body 10, a post 20, an insulator 30, a fixing member 40, and a sealing member 50.
Specifically, the cover body 10 is provided with a first installation channel 11 penetrating in a thickness direction thereof, a first side of the cover body 10 is provided with a first recess 12 extending in a circumferential direction of the first installation channel 11, a second side of the cover body 10 is provided with a second recess 13 extending in a circumferential direction of the first installation channel 11, the pole 20 is provided in the first installation channel 11, a first end of the pole 20 extends out of the first installation channel 11, the insulator 30 is provided between the cover body 10 and the pole 20 to insulate the pole 20 from the cover body 10, a part of the insulator 30 is provided in the first recess 12, the fixture 40 is provided at a second end of the pole 20, the fixture 40 cooperates with the insulator 30 to fix the pole 20 to the cover body 10, the seal 50 is provided between the cover body 10 and the fixture 40 to seal a gap between the pole 20 and the cover body 10, and a part of the seal 50 is provided in the second recess 13.
In other words, as shown in fig. 3 to 5, the battery cap assembly 100 according to the embodiment of the present utility model is mainly composed of a cap body 10, a post 20, an insulator 30, a fixture 40, and a seal 50, wherein the cap body 10 is provided with a first installation channel 11 therethrough in a thickness direction, a first side of the cap body 10 is provided with a first recess 12, the first recess 12 may be coaxially disposed with the first installation channel 11, a second side of the cap body 10 may be provided with a second recess 13, and the second recess 13 may also be coaxially disposed with the first installation channel 11.
As shown in fig. 3 and 6, the pole 20 is disposed in the first mounting channel 11, a gap exists between the outer circumferential surface of the pole 20 and the first mounting channel 11 to avoid communication between the pole 20 and the cover main body 10, the first end of the pole 20 protrudes from the first side of the cover main body 10, the insulating member 30 is disposed at the first end of the pole 20 to space the pole 20 from the cover main body 10, and the first recess 12 corresponds to the position of the insulating member 30, so that a portion of the insulating member 30 can be located in the first recess 12, and the size of the insulating member 30 protruding from the cover main body 10 is reduced.
As shown in fig. 3, the fixing member 40 is fixedly connected with the second end of the pole 20, the pole 20 can be fixedly installed on the cover plate main body 10 through the cooperation of the fixing member 40 and the insulating member 30, the sealing member 50 is located between the fixing member 40 and the cover plate main body 10, the insulating member 30 is enabled to be abutted against the first side of the cover plate main body 10 under the action of the sealing member 50, the sealing member 50 can be a rubber ring with an annular structure, two ends of the sealing member 50 are respectively abutted against the fixing member 40 and the cover plate main body 10, and the position of the second concave portion 13 corresponds to the position of the sealing member 50, so that one end of the insulating member 30 facing the cover plate main body 10 can be located in the second concave portion 13, and the size of the sealing member 50 protruding out of the cover plate main body 10 is reduced.
Thus, according to the battery cover assembly 100 of the embodiment of the present utility model, by providing the first recess 12 at the first side of the cover body 10 and providing the second recess 13 at the second side of the cover body 10, the portion of the insulating member 30 and the portion of the sealing member 50 can extend into the cover body 10, thereby reducing the size of the battery cover assembly 100 in the thickness direction and improving the capacity of the battery relative to the battery of the same size.
According to one embodiment of the present utility model, the first side of the cover body 10 is provided with a first protrusion 14 extending in the circumferential direction of the first mounting channel 11, the first protrusion 14 being provided between the first mounting channel 11 and the first recess 12.
As shown in fig. 3 to 6, in the present embodiment, the first side of the cap body 10 is provided with the first protrusion 14 corresponding to the position of the insulating member 30, the first protrusion 14 may increase the strength of the cap body 10, and the insulating member 30 is provided with the groove corresponding to the first protrusion 14, and the first protrusion 14 may be positioned in the groove, so that the size of the insulating member 30 protruding from the cap body 10 may be reduced.
The range of the height L of the first protruding portion 14 is 0.ltoreq.l.ltoreq.1.5 mm, and the specific size thereof may be determined according to the strength of the cover main body 10 itself, which is not described in detail in this embodiment.
In some embodiments of the present utility model, the first concave portion 12 is formed as an annular groove extending in the circumferential direction of the first mounting channel 11, and the thickness of the first convex portion 14 is greater than the depth of the first concave portion 12 in the axial direction of the first mounting channel 11.
Specifically, as shown in fig. 3 and 6, the first concave portion 12 is configured as an annular groove, which may be disposed coaxially with the first installation channel 11, and the thickness of the first convex portion 14 is greater than the depth of the first concave portion 12, so that the first convex portion 14 protrudes from the first side of the cap body 10, and the strength of the cap body 10 may be further improved.
According to one embodiment of the utility model, the first recess 12 is formed as a circumferentially extending annular groove of the first mounting channel 11.
In the present embodiment, as shown in fig. 3 and 6, the first recess 12 is formed as an annular groove such that a reinforcing portion is formed between the first recess 12 and the first mounting passage 11, by which the structural strength of the cap body 10 can be secured.
According to some embodiments of the present utility model, in the thickness direction of the cover main body 10, the projection of the first concave portion 12 does not coincide with the projection of the second concave portion 13.
That is, as shown in fig. 3 and 5, when the first recess 12 is an annular groove, the projection of the second recess 13 in the thickness direction of the cap plate body 10 is located at the inner ring of the first recess 12, so that the first recess 12 and the second recess 13 are staggered in the radial direction of the first mounting channel 11, thereby avoiding too small local thickness of the cap plate body 10, reducing the size of the cap plate assembly 100 in the thickness direction, ensuring the strength of the cap plate body 10, and improving the reliability of the cap plate assembly 100.
In some embodiments of the present utility model, the first end of the pole 20 is provided with a stop portion 21 extending along the circumferential direction of the first mounting channel 11, the side of the insulator 30 away from the cover main body 10 is provided with a third recess portion 31, and the stop portion 21 is provided in the third recess portion 31.
Specifically, as shown in fig. 3, 6 and 7, the first end of the pole 20 may be provided with a stopper 21 protruding from the outer circumferential surface of the pole 20 to limit the position of the pole 20 on the insulator 30 in the thickness direction of the cap body 10, the insulator 30 may be provided with a third recess 31 corresponding to the position of the stopper 21, and the stopper 21 may be provided in the third recess 31 to reduce the protruding size of the pole 20 from the insulator 30.
In this embodiment, the pole 20 and the insulating member 30 are separately arranged components, the insulating member 30 is separately injection molded, the insulating member 30 melting stock does not need to wrap the conductive column in the injection molding process, so that the production is convenient, the yield of products can be improved, the mold and the clamp used in injection molding of the insulating member 30 are simplified, and the production cost of the mold and the clamp can be reduced.
According to one embodiment of the present utility model, the circumferential side wall of the stop portion 21 is provided with a first engaging portion 211, and the circumferential side wall of the third recess portion 31 is provided with a first limiting portion 311, and the first engaging portion 211 is engaged with the first limiting portion 311.
That is, as shown in fig. 6 and 7, the circumferential side wall of the stopper 21 is provided with at least one first engaging portion 211, the first engaging portion 211 may be formed as a groove extending toward the axis of the first mounting passage 11, the third recess 31 is provided with a first stopper 311 in a convex structure, and the rotation of the pole 20 about the axis of the first mounting passage 11 may be prevented by the engagement of the first stopper 311 and the second stopper 111, thereby playing a role in limiting the pole 20.
In some embodiments of the utility model, the first mounting channel 11 is provided with a second stop 111 extending along its axis; the insulator 30 is provided with a second matching part 32 towards the direction of the sealing member 50 at one side close to the outer peripheral surface of the pole 20, and the second matching part 32 is matched with the second limiting part 111; the sealing member 50 is provided with a third engaging portion 51 at a side close to the outer peripheral surface of the pole 20 toward the direction in which the insulating member 30 is located, and the third engaging portion 51 engages with the second limiting portion 111.
Specifically, as shown in fig. 4 and 6, the first mounting channel 11 may be formed in a flat shape, the first mounting channel 11 uses itself as the second limiting portion 111, the insulating member 30 extends toward the direction in which the sealing member 50 is located, the shape of the second mating portion 32 matches the shape of the first mounting channel 11, and the insulating member 30 may be limited by mating the second mating portion 32 with the second limiting portion 111, so as to avoid the insulating member 30 from rotating around the axis of the first mounting channel 11.
As shown in fig. 3 and 6, the sealing member 50 extends toward the direction of the insulating member 30, and the third mating portion 51 is matched with the shape of the first mounting channel 11, so that the sealing member 50 can be limited by mating the third mating portion 51 with the second limiting portion 111, so as to prevent the insulating member 30 from rotating around the axis of the first mounting channel 11.
According to one embodiment of the present utility model, the second mating portion 32 and the third mating portion 51 form annular structures, respectively, and an end of the second mating portion 32 near the seal 50 is attached to the third mating portion 51.
As shown in fig. 3 and 6, in the present embodiment, the second fitting portion 32 and the third fitting portion 51 are each formed in a ring shape, and one ends of the second fitting portion 32 and the third fitting portion 51 close to each other are fitted so that the sealing member 50 and the insulating member 30 cover the outer peripheral surface of the pole 20 in the first mounting passage 11 therein, reducing the risk of conduction of the pole 20 with the cap plate main body 10.
In some embodiments of the present utility model, the second side of the cap body 10 is provided with a second protrusion 15 corresponding to the position of the first recess 12, and the battery cap assembly 100 further includes: the spacer ring 60, the spacer ring 60 is provided with a fourth concave part 61 matched with the second convex part 15, the second convex part 15 is arranged in the fourth concave part 61, the spacer ring 60 is provided with a second installation channel suitable for the fixing piece 40 to pass through, the fixing piece 40 is arranged in the second installation channel, and the spacer ring 60 is connected with the cover plate main body 10.
Specifically, as shown in fig. 3 to 5, the second side of the cover body 10 may be provided with a second protrusion 15 having a ring shape, the second protrusion 15 corresponds to the first recess 12 in shape and position, the strength of the position of the first recess 12 is improved, the second side of the cover body 10 is provided with a spacer ring 60, the spacer ring 60 is provided with a second installation channel through which the fixing member 40 passes, the spacer ring 60 is provided with a fourth recess 61 corresponding to the position of the second protrusion 15, and the second protrusion 15 may be disposed in the fourth recess 61, so that the size of the battery cover assembly 100 in the thickness direction may be reduced, and the deformed sealing member 50 may be pressed by a portion of the spacer ring 60 to improve the sealing effect.
According to an embodiment of the present utility model, the fixing member 40 is formed as a conductive member, and the spacer ring 60 is provided with a fifth recess on a side thereof remote from the cap plate body 10, and the battery cap plate assembly 100 further includes: the drawing member 70, the drawing member 70 is provided in the fifth recess, the drawing member 70 is provided with a third mounting passage 71 adapted for the fixing member 40 to pass through, and the fixing member 40 is provided in the third mounting passage 71 and electrically connected to the drawing member 70.
That is, as shown in fig. 3, the fixing member 40 may be a metal member, the second end of the pole 20 may be provided with a protruding connection portion, the first end of the fixing member 40 is sleeved on the connection portion and may be fixed on the connection portion by welding, so that the fixing member 40 and the pole 20 are mechanically and electrically connected, the length of the pole 20 may be reduced, the second end of the fixing member 40 is provided with a lead-out member 70 for electrically connecting with the battery cell, the lead-out member 70 may be connected with the fixing member 40 by welding, and the spacer ring 60 is provided with a fifth recess portion corresponding to the position of the lead-out member 70, and the lead-out member 70 may be located in the fifth recess portion, thereby reducing the size of the battery cover plate assembly 100 in the thickness direction.
In this embodiment, the spacer ring 60 is located between the lead-out member 70 and the cover plate main body 10 to avoid the conduction between the lead-out member 70 and the cover plate main body 10, and the spacer ring 60 can be fixed to the cover plate main body 10 by matching the lead-out member 70 with the cover plate main body 10, so that the assembly of the battery cover plate assembly 100 is more convenient.
In some embodiments of the present utility model, the securing member 40 is an integral piece with the lead member 70.
That is, the fixing member 40 and the lead-out member 70 may be integrally formed to reduce the subsequent assembly process and improve the assembly efficiency of the battery cover assembly 100.
Optionally, the insulator 30 and the pole 20 can be integrally injection-molded according to actual requirements during production, so that the subsequent assembly process can be further reduced, and the assembly efficiency of the battery cover plate assembly 100 can be improved.
According to one embodiment of the present utility model, the first end of the pole 20 protrudes from the insulator 30.
As shown in fig. 3, in the present embodiment, the first end of the pole 20 may protrude from the insulator 30, and the height of the pole 20 protruding from the insulator 30 is not less than 0.1mm, so as to facilitate subsequent installation.
In summary, according to the battery cover assembly 100 of the embodiment of the present utility model, by providing the first recess 12 at the first side of the cover body 10 and providing the second recess 13 at the second side of the cover body 10, the portion of the insulating member 30 and the portion of the sealing member 50 can extend into the cover body 10, thereby reducing the size of the battery cover assembly 100 in the thickness direction and improving the capacity of the battery relative to the battery of the same size.
The embodiment of the utility model also provides a battery, which comprises a shell and the battery cover plate assembly 100 of any embodiment, and can further comprise a battery core, wherein the shell is provided with an opening, the battery core is arranged in the shell, the battery cover plate assembly 100 can be arranged at the opening of the shell in a covering way to seal the shell, and the pole post 20 can be connected with the battery core to lead out the positive electrode and the negative electrode of the battery core. The battery cover plate assembly 100 according to the embodiment of the utility model can solve the problem of smaller capacity of the conventional battery caused by more space occupation of the battery cover plate assembly 100, so that the battery according to the embodiment of the utility model also has the advantages, the size of the battery cover plate assembly 100 in the thickness direction can be reduced, and the capacity of the battery can be improved.
The embodiment of the utility model also provides a battery pack, which comprises a pack body and the battery of the embodiment, wherein the battery is arranged in the pack body. The battery according to the embodiment of the utility model can solve the problem of smaller capacity of the existing battery caused by more space occupation of the battery cover plate assembly 100, so that the battery pack according to the embodiment of the utility model also has the advantages that the size of the battery cover plate assembly 100 in the thickness direction can be reduced, the capacity of the battery is improved, and the capacity of the battery pack is improved.
Embodiments of the present utility model also provide an electrical consumer, such as, but not limited to, a vehicle, an unmanned aerial vehicle, a household appliance, and an electric tool. The electric equipment comprises the battery of the embodiment or the battery pack of the embodiment. The battery and the battery pack according to the embodiment of the utility model have the technical effects described above, so that the electric equipment according to the embodiment of the utility model also has the technical effects described above, and the details are not repeated in the embodiment.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (15)

1. A battery cover assembly, comprising:
the cover plate comprises a cover plate body (10), wherein the cover plate body (10) is provided with a first installation channel (11) penetrating along the thickness direction of the cover plate body, a first concave part (12) extending along the circumferential direction of the first installation channel (11) is arranged on the first side of the cover plate body (10), and a second concave part (13) extending along the circumferential direction of the first installation channel (11) is arranged on the second side of the cover plate body (10);
a pole (20), wherein the pole (20) is arranged in the first mounting channel (11), and a first end of the pole (20) extends out of the first mounting channel (11);
an insulating member (30), wherein the insulating member (30) is arranged between the cover plate main body (10) and the pole (20) to insulate the pole (20) and the cover plate main body (10), and a part of the insulating member (30) is arranged in the first concave part (12);
a fixing member (40), wherein the fixing member (40) is arranged at the second end of the pole (20), and the fixing member (40) is matched with the insulating member (30) to fix the pole (20) to the cover plate main body (10);
and a sealing member (50), wherein the sealing member (50) is arranged between the cover plate main body (10) and the fixing member (40) so as to seal a gap between the pole (20) and the cover plate main body (10), and a part of the sealing member (50) is arranged at the second concave part (13).
2. The battery cover assembly according to claim 1, wherein a first side of the cover body (10) is provided with a first protrusion (14) extending in a circumferential direction of the first mounting channel (11), the first protrusion (14) being provided between the first mounting channel (11) and the first recess (12).
3. The battery cover plate assembly according to claim 2, wherein the first concave portion (12) is formed as an annular groove extending in a circumferential direction of the first mounting passage (11), and a thickness of the first convex portion (14) is greater than a depth of the first concave portion (12) in an axial direction of the first mounting passage (11).
4. The battery cover plate assembly according to claim 1, wherein the first recess (12) is formed as a circumferentially extending annular groove of the first mounting channel (11).
5. The battery cover assembly according to claim 1, wherein the projection of the first recess (12) and the projection of the second recess (13) do not coincide in the thickness direction of the cover body (10).
6. The battery cover plate assembly according to claim 1, wherein the first end of the pole (20) is provided with a stop portion (21) extending in the circumferential direction of the first mounting channel (11), a third recess portion (31) is provided on a side of the insulating member (30) away from the cover plate main body (10), and the stop portion (21) is provided in the third recess portion (31).
7. The battery cover plate assembly according to claim 6, wherein a first engaging portion (211) is provided on a circumferential side wall of the stopper portion (21), a first stopper portion (311) is provided on a circumferential side wall of the third recess portion (31), and the first engaging portion (211) is engaged with the first stopper portion (311).
8. The battery cover assembly according to claim 1, wherein the first mounting channel (11) is provided with a second stop (111) extending along its axis;
a second matching part (32) is arranged on one side, close to the outer peripheral surface of the pole (20), of the insulating piece (30) towards the direction of the sealing piece (50), and the second matching part (32) is matched with the second limiting part (111);
and a third matching part (51) is arranged on one side, close to the outer peripheral surface of the pole (20), of the sealing element (50) towards the direction where the insulating element (30) is located, and the third matching part (51) is matched with the second limiting part (111).
9. The battery cover plate assembly according to claim 8, wherein the second mating portion (32) and the third mating portion (51) respectively form an annular structure, and an end of the second mating portion (32) near the sealing member (50) is fitted to the third mating portion (51).
10. The battery cover assembly according to claim 1, wherein the second side of the cover body (10) is provided with a second protrusion (15) corresponding to the position of the first recess (12), the battery cover assembly further comprising:
the spacer ring (60), spacer ring (60) be equipped with fourth depressed part (61) of second bellying (15) adaptation, second bellying (15) are located fourth depressed part (61), spacer ring (60) are equipped with and are suitable for second installation passageway that mounting (40) passed, mounting (40) are located the second installation passageway, just spacer ring (60) with apron main part (10) are connected.
11. The battery cover assembly of claim 10, wherein the fixing member (40) is formed as a conductive member, and a side of the spacer ring (60) remote from the cover body (10) is provided with a fifth recess, the battery cover assembly further comprising:
the leading-out piece (70), the leading-out piece (70) is arranged in the fifth concave part, the leading-out piece (70) is provided with a third installation channel (71) which is suitable for the fixing piece (40) to pass through, and the fixing piece (40) is arranged in the third installation channel (71) and is electrically connected with the leading-out piece (70).
12. The battery cover assembly of claim 11, wherein the securing member (40) is an integral piece with the lead-out member (70).
13. A battery, comprising:
a housing provided with an opening;
the battery cover assembly of any one of claims 1 to 12, the battery cover assembly covering an opening provided to the housing.
14. A battery pack, comprising:
a bag body;
the battery of claim 13, disposed within the bag.
15. A powered device comprising the battery of claim 13 or comprising the battery pack of claim 14.
CN202321371641.9U 2023-05-31 2023-05-31 Battery cover plate assembly, battery pack and electric equipment Active CN220021338U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117977075A (en) * 2024-03-29 2024-05-03 蜂巢能源科技股份有限公司 Cover plate assembly and battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117977075A (en) * 2024-03-29 2024-05-03 蜂巢能源科技股份有限公司 Cover plate assembly and battery

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