CN216563409U

CN216563409U - Battery case and battery

Info

Publication number: CN216563409U
Application number: CN202123394092.0U
Authority: CN
Inventors: 林倡全; 邓嘉东; 易国高
Original assignee: Zhuhai Cosmx Power Co Ltd
Current assignee: Zhuhai Cosmx Power Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a battery shell and a battery, relates to the technical field of energy storage batteries, and aims to solve the problem that the assembly effect between a connector and the battery shell is poor. The battery shell comprises an upper cover, a connector and a rubber plug; the upper cover is provided with a mounting hole, the first end of the connector extends into one side of the upper cover facing the interior of the battery shell through the mounting hole, and the second end of the connector is positioned on one side of the upper cover facing away from the interior of the battery shell; the plug clamp is established between the pore wall of the periphery wall of connector and mounting hole. The battery shell and the connector are stably and reliably assembled, and the sealing performance and the insulating performance are good, so that the assembly effect between the battery shell and the connector is good.

Description

Battery case and battery

Technical Field

The utility model relates to the technical field of energy storage batteries, in particular to a battery shell and a battery.

Background

The energy storage battery is a battery that can achieve both discharge and charge. With the development of science and technology, energy storage batteries are rapidly developed and widely applied to various fields such as electronic products, new energy vehicles and power storage.

In the related art, the energy storage battery includes a battery case, a battery module and a battery management system, and the battery module and the battery management system are accommodated in an accommodating cavity of the battery case. The battery module includes a plurality of lithium cell package, and a plurality of lithium cell package are in the same place through mode such as series-parallel connection, and battery management system is used for managing the battery module to make the input that energy storage battery can be better use. Meanwhile, the energy storage battery is provided with a communication connector or other type of connector penetrating through the battery shell, so that the energy storage battery is communicated with an external circuit through the connector.

However, in the related art, the assembly between the connector penetrating the battery case and the battery case is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery shell and a battery, wherein the assembly between the battery shell and a connector is stable and reliable, and the sealing property and the insulating property are better, so that the assembly effect between the battery shell and the connector is better.

In a first aspect, the present invention provides a battery case, comprising an upper cover, a connector and a rubber plug; the upper cover is provided with a mounting hole, a first end of the connector extends into one side of the upper cover facing the interior of the battery shell through the mounting hole, and a second end of the connector is positioned on one side of the upper cover facing away from the interior of the battery shell; the plug clamp is established the periphery wall of connector with between the pore wall of mounting hole.

The battery shell provided by the utility model comprises an upper cover, a connector and a rubber plug. The first end of the connector extends into one side of the upper cover facing the interior of the battery shell through the mounting hole by arranging the mounting hole on the upper cover so as to be connected with a circuit positioned in the interior of the battery shell; meanwhile, the second end of the connector is located on one side of the upper cover, which is far away from the inside of the battery shell, so that the second end of the connector is connected with a circuit outside the battery shell, and the battery can be better put into use.

Meanwhile, the rubber plug is clamped between the outer peripheral wall of the connector and the hole wall of the mounting hole, so that the connector can be inserted in the mounting hole more stably and reliably, vibration of the connector is reduced, and the connector is prevented from loosening; on the other hand, the rubber plug can better fill the gap between the connector and the mounting hole, thereby being favorable for ensuring the sealing property between the connector and the mounting hole, ensuring the sealing property of the battery shell, protecting and packaging the battery module and the battery management system in the battery shell better, being favorable for improving the quality reliability of the battery, and being favorable for prolonging the service life of the battery.

As above, optionally, the rubber plug includes an annular rubber plug, and the annular rubber plug is sleeved between the outer peripheral wall of the connector and the hole wall of the mounting hole.

In the battery casing, optionally, the peripheral wall of the annular rubber plug is in interference fit with the mounting hole.

In the battery housing, optionally, the inner peripheral wall of the annular rubber plug is in interference fit with the outer peripheral wall of the connector.

In the battery casing, optionally, an adhesive is disposed between the peripheral wall of the rubber plug and the hole wall of the mounting hole.

According to the battery shell, optionally, at least one surface of the annular rubber plug is provided with at least one annular groove, and the annular groove is surrounded between the inner peripheral wall of the annular rubber plug and the outer peripheral wall of the annular rubber plug.

In the battery casing, optionally, in the extending direction of the connector, the size of the mounting hole ranges from 2mm to 3mm, and the size of the annular rubber plug ranges from 2mm to 3 mm.

As for the battery housing, optionally, a receiving groove is formed in one side of the upper cover facing the inside of the battery housing, an opening of the receiving groove is aligned and communicated with the mounting hole, and the first end of the connector is received in the receiving groove.

According to the battery shell, optionally, the peripheral wall of the first end of the connector is provided with a clamping part, and the wall of the accommodating groove is provided with a matching part; the clamping part and the matching part are detachably clamped.

As for the battery casing, optionally, the engaging portion includes a buckle, the matching portion includes a slot, and the buckle is engaged in the slot; the cell wall of storage tank is provided with the cantilever beam, the stiff end of cantilever beam with keeping away from of storage tank the one end of mounting hole is connected, the free end orientation of cantilever beam the mounting hole extends, the draw-in groove sets up the free end of cantilever beam.

The battery case as described above, optionally, the size of the card slot ranges from 5mm to 6mm in the extending direction of the connector; in a direction perpendicular to an extending direction of the connector, the size range of the card slot is 2mm to 3 mm.

In the battery casing, optionally, the size range of the accommodating groove extending in the direction away from the mounting hole is 20mm to 30 mm; the thickness range of the groove wall of the containing groove is 2mm to 3 mm.

According to the battery shell, optionally, a limiting surface is formed at the edge of one end of the mounting hole, which is communicated with the opening of the accommodating groove, and the limiting surface is abutted to the rubber plug.

In the battery case as described above, optionally, a side surface of the upper cover facing the inside of the battery case is provided with a reinforcing rib.

In the battery case as described above, optionally, the upper cover includes a boss portion that protrudes toward a side facing away from the inside of the battery case, and the mounting hole is provided on a side wall of the boss portion.

In a second aspect, the utility model provides a battery, which comprises a battery module and the battery shell as described in any one of the above items, wherein the battery module is packaged in the battery shell.

The battery provided by the utility model comprises a battery module and a battery shell, wherein the battery module is packaged in the battery shell, and the battery shell can be used for physically protecting the battery module so as to improve the performances of impact resistance, vibration resistance and the like of the battery module; and can seal the protection to battery module to play waterproof, dustproof effect etc.

Wherein, battery case includes upper cover, connector and plug. The first end of the connector extends into one side of the upper cover facing the interior of the battery shell through the mounting hole by arranging the mounting hole on the upper cover so as to be connected with a circuit positioned in the interior of the battery shell; meanwhile, the second end of the connector is located on one side of the upper cover, which is far away from the inside of the battery shell, so that the second end of the connector is connected with a circuit outside the battery shell, and the battery can be better put into use.

In addition to the technical problems solved by the embodiments of the present disclosure, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that the battery case and the battery provided by the embodiments of the present disclosure can solve, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a connector-mounted upper cover and plug according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the rubber plug provided in the embodiment of the present invention;

FIG. 3 is a cross-sectional view of the plug of FIG. 2;

fig. 4 is a sectional view of an upper cover with a connector mounted thereon according to an embodiment of the present invention;

FIG. 5 is an enlarged view A of FIG. 4;

FIG. 6 is an enlarged view A of FIG. 4;

FIG. 7 is an enlarged view of FIG. 4 with the connector removed at A;

fig. 8 is a schematic structural view of an inner surface of an upper cover with a connector mounted thereon according to an embodiment of the present invention;

FIG. 9 is an enlarged view at B in FIG. 8;

FIG. 10 is an enlarged view of FIG. 8 with the connector removed at B;

fig. 11 is a schematic structural diagram of a connector according to an embodiment of the present invention.

Description of reference numerals:

100-an upper cover; 110-mounting holes; 111-a limiting surface; 120-a receiving groove; 121-cantilever beam; 122-a card slot; 130-reinforcing ribs; 140-a boss portion;

200-a connector; 210-buckling;

300-ring-shaped rubber plug; 310-annular groove.

Detailed Description

In the related art, the energy storage battery comprises a battery shell, a battery module and a battery management system, wherein the battery shell comprises a lower box body and an upper cover, the upper cover covers the lower box body, and the battery module and the battery management system are accommodated in an accommodating cavity formed by enclosing the lower box body and the upper cover. The battery module includes a plurality of lithium cell package, and a plurality of lithium cell package are in the same place through mode such as series-parallel connection to form total positive pole and total negative pole, total positive pole and total negative pole are through setting up positive, negative terminal and external circuit intercommunication on the upper cover. Meanwhile, the energy storage battery is provided with a communication connector penetrating through the battery shell, so that the energy storage battery can be communicated with an external control circuit through the communication connector.

However, since a gap is formed between the connector penetrating the battery case and the battery case, not only is the connector mounted unstably and easily shaken loose, but also the sealing property between the connector and the battery case is poor and dust, moisture, and the like easily enter; resulting in poor assembly between the connector and the battery case.

In order to solve the technical problem, the utility model provides a battery shell and a battery, wherein the battery shell comprises an upper cover, a connector and a rubber plug. The first end of the connector extends into one side of the upper cover facing the interior of the battery shell through the mounting hole by arranging the mounting hole on the upper cover so as to be connected with a circuit positioned in the interior of the battery shell; meanwhile, the second end of the connector is located on one side of the upper cover, which is far away from the inside of the battery shell, so that the second end of the connector is connected with a circuit outside the battery shell, and the battery can be better put into use. Meanwhile, the rubber plug is clamped between the outer peripheral wall of the connector and the hole wall of the mounting hole, so that the connector can be inserted in the mounting hole more stably and reliably, vibration of the connector is reduced, and the connector is prevented from loosening; on the other hand, the rubber plug can better fill the gap between the connector and the mounting hole, thereby being favorable for ensuring the sealing property between the connector and the mounting hole, ensuring the sealing property of the battery shell, protecting and packaging the battery module and the battery management system in the battery shell better, being favorable for improving the quality reliability of the battery, and being favorable for prolonging the service life of the battery.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

FIG. 1 is an exploded view of an upper lid and a rubber plug with connectors installed according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the rubber plug provided in the embodiment of the present invention; FIG. 3 is a cross-sectional view of the plug of FIG. 2; fig. 4 is a sectional view of an upper cover with a connector mounted thereon according to an embodiment of the present invention; FIG. 5 is an enlarged view A of FIG. 4; FIG. 6 is an enlarged view A of FIG. 4; FIG. 7 is an enlarged view of FIG. 4 with the connector removed at A; fig. 8 is a schematic structural view of an inner surface of an upper cover with a connector mounted thereon according to an embodiment of the present invention; FIG. 9 is an enlarged view at B in FIG. 8; FIG. 10 is an enlarged view of FIG. 8 with the connector removed at B; fig. 11 is a schematic structural diagram of a connector according to an embodiment of the present invention.

Referring to fig. 1 to 11, the present embodiment provides a battery case including an upper cover 100, a connector 200, and a rubber plug. For example, the upper cover 100 may be a plastic member, and the upper cover 100 may be manufactured by injection molding or compression molding. The connector 200 may be selected from existing standard components according to actual needs, or may be designed separately according to actual needs. The rubber plug can be made of rubber, nylon or other materials known by those skilled in the art, as long as the requirements of the embodiment can be met.

The battery shell also comprises a lower box body, the lower box body can be a plastic part, and the lower box body can be manufactured in the injection molding or compression molding mode and the like. The upper cover 100 covers the lower box body, the upper cover 100 and the lower box body jointly enclose to form an accommodating cavity, and the battery module, the battery management system and the like are accommodated in the accommodating cavity. The battery shell can not only form physical protection for the battery module, the battery management system and the like in the accommodating cavity so as to avoid the direct collision and impact on the battery module, the battery management system and the like; and can seal battery module etc. to avoid water or steam to enter into the holding intracavity of battery case, influence the quality and the life of battery module and battery management system etc..

The upper cover 100 is provided with a mounting hole 110, and a first end of the connector 200 protrudes into a side of the upper cover 100 facing the inside of the battery case through the mounting hole 110 so as to connect the first end of the connector 200 with a wire located inside the battery case. The second end of the connector 200 is located on the side of the upper cover 100 facing away from the interior of the battery case so that the second end of the connector 200 is connected to the wires outside the battery case, thereby allowing the battery to be better put into use.

The plug is clamped between the outer peripheral wall of the connector 200 and the wall of the mounting hole 110. For example, the rubber plug may be a long strip, and the long strip may surround the connector 200 for a circle so as to be clamped between the outer peripheral wall of the connector 200 and the hole wall of the mounting hole 110 to form an annular gap. Of course, the rubber plug may also be in a ring shape or other shapes as long as the requirements of the present embodiment can be met.

For example, the shape of the mounting hole 110 may be set according to the cross-sectional shape of the connector 200, and the size of the mounting hole 110 may be slightly larger than the cross-sectional shape of the connector 200, so as to ensure that the connector 200 can be smoothly inserted into the mounting hole 110, and facilitate the arrangement of a rubber plug in the gap between the mounting hole 110 and the connector 200.

Referring to fig. 1 to 3, the rubber plug may alternatively include an annular rubber plug 300, and the annular rubber plug 300 is sleeved between the outer circumferential wall of the connector 200 and the hole wall of the mounting hole 110. In specific implementation, the annular rubber plug 300 is firstly installed at the installation hole 110; the connector 200 is then extended into the interior of the battery housing via the inner bore of the annular plug 300.

For example, the outer circumferential wall of the annular rubber plug 300 may be in interference fit with the mounting hole 110; or, an adhesive may be disposed between the outer circumferential wall of the annular rubber plug 300 and the hole wall of the installation hole 110, so that the outer circumferential wall of the annular rubber plug 300 is bonded to the hole wall of the installation hole 110; or, the outer circumferential wall of the annular rubber plug 300 is not only in interference fit with the mounting hole 110, but also an adhesive is provided between the outer circumferential wall of the annular rubber plug 300 and the hole wall of the mounting hole 110, so as to ensure the reliability of the installation of the annular rubber plug 300.

The inner peripheral wall of the annular rubber plug 300 can be in interference fit with the outer peripheral wall of the connector 200, so that the sealing performance is guaranteed, and the connector 200 is fixed better.

Referring to fig. 2 and 3, optionally, at least one side of the annular rubber plug 300 is provided with at least one annular groove 310, and the annular groove 310 is surrounded between the inner peripheral wall of the annular rubber plug 300 and the outer peripheral wall of the annular rubber plug 300, so as to be beneficial to improving the elasticity of the annular rubber plug 300, so that the annular rubber plug 300 can be better attached to the hole wall of the installation hole 110 and the outer peripheral wall of the connector 200, and further, the sealing performance and the waterproof performance of the annular rubber plug 300 between the hole wall of the installation hole 110 and the outer peripheral wall of the connector 200 can be better ensured.

For example, there may be two annular grooves 310, two annular grooves 310 may be disposed on the same surface of the annular rubber plug 300, and the two annular grooves 310 are spaced apart from each other and surround between the inner peripheral wall of the annular rubber plug 300 and the outer peripheral wall of the annular rubber plug 300.

Optionally, in the extending direction of the connector 200, the size range of the mounting hole 110 is 2mm to 3mm, and the size range of the annular rubber plug 300 is 2mm to 3mm, so that the size of the mounting hole 110 just accommodates the annular rubber plug 300, thereby being beneficial to ensuring the flatness and the aesthetic property of the surface of the housing.

For example, in the extending direction of the connector 200, the size of the mounting hole 110 may be set to be 2mm, 2.2mm, 2.4mm, 2.6mm, 2.8mm or 3mm according to actual needs; the size of the annular rubber plug 300 can be set to be 2mm, 2.2mm, 2.4mm, 2.6mm, 2.8mm or 3mm according to actual needs.

Referring to fig. 4 to 10, optionally, a receiving groove 120 is formed at a side of the upper cover 100 facing the inside of the battery case, an opening of the receiving groove 120 is aligned and communicated with the mounting hole 110, and a first end of the connector 200 is received in the receiving groove 120. In a specific implementation, the first end of the connector 200 sequentially extends into the mounting hole 110 and the opening of the easy groove, and is accommodated in the accommodating groove 120. The receiving groove 120 may support and limit the first end of the connector 200, so that the stability and reliability of the installation of the connector 200 may be further improved.

Optionally, an outer circumferential wall of the first end of the connector 200 is provided with a clamping portion, and a groove wall of the accommodating groove 120 is provided with a matching portion; the clamping part and the matching part are detachably clamped. The clamping structure can better fix the connector 200, and is simple in structure and convenient to set.

Referring to fig. 5 to 7 and 9 to 11, in one possible implementation, the engaging portion includes a clip 210, the mating portion includes a slot 122, and the clip 210 is detachably clipped in the slot 122. Illustratively, the cantilever beam 121 is disposed on a wall of the receiving groove 120, a fixed end of the cantilever beam 121 is connected to an end of the receiving groove 120 away from the mounting hole 110, a free end of the cantilever beam 121 extends toward the mounting hole 110, and the locking groove 122 is disposed at the free end of the cantilever beam 121, so that the free end of the cantilever beam 121 can be moved during the process of locking the connector 200 or removing the connector 200, so that the connector 200 can be locked or removed smoothly. Of course, the locking groove 122 may also be directly disposed on the wall of the receiving groove 120; alternatively, the card slot 122 may be configured in other structural forms according to actual needs, as long as the requirements of the present embodiment can be met, which are not listed here.

In another possible implementation manner, the clamping portion comprises a clamping groove, the matching portion comprises a buckle, and the buckle is detachably clamped in the clamping groove.

Optionally, in the extending direction of the connector 200, the size range of the card slot 122 is 5mm to 6mm, and in the direction perpendicular to the extending direction of the connector 200, the size range of the card slot 122 is 2mm to 3mm, so that the buckle 210 on the connector 200 can be smoothly clamped into the card slot 122. Illustratively, the size of the slot 122 in the extending direction of the connector 200 may be set to 5mm, 5.2mm, 5.4mm, 5.6mm, 5.8mm, or 6mm, etc., according to actual needs. In the direction perpendicular to the extending direction of the connector 200, the size of the card slot 122 may be set to 2mm, 2.2mm, 2.4mm, 2.6mm, 2.8mm, 3mm, or the like according to actual needs.

Optionally, the size range of the extension of the receiving groove 120 towards the direction away from the mounting hole 110 is 20mm to 30mm, so that the receiving groove 120 can limit the length of the connector 200 extending into the battery case, thereby ensuring that the connector 200 is accurately mounted to the preset position. For example, the size of the receiving groove 120 extending away from the mounting hole 110 may be set to 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, or the like according to actual needs. The thickness range of the cell wall of storage tank 120 is 2mm to 3mm to be favorable to guaranteeing storage tank 120's structural strength, exemplarily, the thickness of the cell wall of storage tank 120 can set up as 2mm, 2.2mm, 2.4mm, 2.6mm, 2.8mm or 3mm etc. as required.

Optionally, a limiting surface 111 is formed at an edge of one end of the mounting hole 110, which is communicated with the opening of the receiving groove 120, and the limiting surface 111 abuts against the rubber plug. For example, since a rubber plug needs to be arranged between the hole wall of the mounting hole 110 and the outer circumferential wall of the connector 200, the cross-sectional dimension of the mounting hole 110 is larger than that of the connector 200, so as to reserve a containing space for the rubber plug; the cross-sectional dimension of the receiving groove 120 and the cross-sectional dimension of the connector 200 may be substantially the same or slightly larger, so that the first end of the connector 200 can be received in the receiving groove 120. At this moment, the opening size of storage tank 120 is less than the size of mounting hole 110, can be through annular wall or semi-annular wall transitional coupling between the opening of mounting hole 110 and storage tank 120, and the one side of annular wall towards the mounting hole forms into spacing face 111 promptly, and spacing face 111 can be spacing to the plug to not only can guarantee the reliability of plug setting in the mounting hole, can prevent when connector 200 from stretching into moreover, crowd the dropout with the plug.

Referring to fig. 8, optionally, a side surface of the upper cover 100 facing the inside of the battery case is provided with a reinforcing rib 130, thereby contributing to the structural strength of the upper cover 100. For example, the reinforcing ribs 130 may extend along a straight line or a curved line; one or more reinforcing ribs 130 may be provided; when there are a plurality of the reinforcing ribs 130, the plurality of the reinforcing ribs 130 may be arranged to cross each other or may be arranged to be parallel to each other; the extended length of the reinforcing rib 130 may be set according to the space of the upper cover 100; the height of the rib 130 protruding from the inner surface of the upper cover 100 can be set according to actual needs, and is not limited in detail here.

Referring to fig. 1 and 4, optionally, the upper cover 100 includes a boss part 140, the boss part 140 protruding toward a side facing away from the inside of the battery case, and the mounting hole 110 is provided on a side wall of the boss part 140. Illustratively, the position of the boss 140 on the upper cover 100, the shape of the boss 140, the size of the boss 140, the protruding height of the boss 140, and the like may be set according to actual needs, and are not particularly limited herein.

In summary, the battery case provided in the present embodiment includes an upper cover 100, a connector 200, and a rubber plug. By providing the mounting hole 110 in the upper cover 100, the first end of the connector 200 is made to protrude into the side of the upper cover 100 facing the inside of the battery case via the mounting hole 110, so that the first end of the connector 200 is connected to the wiring located inside the battery case; meanwhile, the second end of the connector 200 is located at a side of the upper cover 100 facing away from the inside of the battery case so that the second end of the connector 200 is connected to a line outside the battery case, thereby enabling the battery to be better put into use.

Meanwhile, the rubber plug is clamped between the outer peripheral wall of the connector 200 and the hole wall of the mounting hole 110, so that on one hand, the connector 200 can be more stably and reliably inserted in the mounting hole 110, and vibration of the connector 200 is reduced, and the connector 200 is prevented from loosening; on the other hand, the rubber plug can better fill the gap between the connector 200 and the mounting hole 110, thereby being beneficial to ensuring the sealing property between the connector 200 and the mounting hole 110, ensuring the sealing property of the battery shell, protecting the battery module and the battery management system which are packaged in the battery shell better, and the like, being beneficial to improving the quality reliability of the battery and prolonging the service life of the battery.

Example two

On the basis of the first embodiment, the present embodiment provides a battery, which includes a battery module and a battery housing, wherein the battery module is packaged in the battery housing.

The battery provided by the embodiment comprises a battery module and a battery shell, wherein the battery module is packaged in the battery shell, and the battery shell can be used for physically protecting the battery module so as to improve the performances of impact resistance, vibration resistance and the like of the battery module; and can seal the protection to battery module to play waterproof, dustproof effect etc.

The battery case of the present embodiment has the same structure as the battery case of the first embodiment, and can bring about the same or similar technical effects, and specific reference may be made to the description of the first embodiment, and details are not repeated here.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mutually contacted or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The terms "first" and "second" in the description and claims of the present application and the description of the above-described figures are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A battery shell is characterized by comprising an upper cover, a connector and a rubber plug;

the upper cover is provided with a mounting hole, a first end of the connector extends into one side of the upper cover facing the inside of the battery shell through the mounting hole, and a second end of the connector is positioned on one side of the upper cover deviating from the inside of the battery shell;

the plug clamp is established the periphery wall of connector with between the pore wall of mounting hole.

2. The battery shell according to claim 1, wherein the rubber plug comprises an annular rubber plug sleeved between the peripheral wall of the connector and the hole wall of the mounting hole.

3. The battery shell according to claim 2, wherein the peripheral wall of the annular rubber plug is in interference fit with the mounting hole; and/or the presence of a gas in the gas,

the inner peripheral wall of the annular rubber plug is in interference fit with the outer peripheral wall of the connector; and/or the presence of a gas in the gas,

and an adhesive is arranged between the peripheral wall of the rubber plug and the hole wall of the mounting hole.

4. The battery shell according to claim 2, wherein at least one surface of the annular rubber plug is provided with at least one annular groove, and the annular groove is surrounded between the inner peripheral wall of the annular rubber plug and the outer peripheral wall of the annular rubber plug.

5. The battery case according to claim 2, wherein the size of the mounting hole ranges from 2mm to 3mm and the size of the annular rubber plug ranges from 2mm to 3mm in the protruding direction of the connector.

6. The battery casing according to any one of claims 1 to 5, wherein a side of the upper cover facing the inside of the battery casing is provided with a receiving groove, an opening of the receiving groove is in alignment communication with the mounting hole, and the first end of the connector is received in the receiving groove.

7. The battery casing according to claim 6, wherein the outer peripheral wall of the first end of the connector is provided with a locking portion, and the wall of the accommodating groove is provided with a fitting portion;

the clamping part and the matching part are detachably clamped.

8. The battery housing of claim 7, wherein the snap-fit portion comprises a snap, and the mating portion comprises a snap groove, the snap being snapped into the snap groove;

the cell wall of storage tank is provided with the cantilever beam, the stiff end of cantilever beam with keeping away from of storage tank the one end of mounting hole is connected, the free end orientation of cantilever beam the mounting hole extends, the draw-in groove sets up the free end of cantilever beam.

9. The battery case according to claim 8, wherein the size of the card slot ranges from 5mm to 6mm in the protruding direction of the connector; in a direction perpendicular to an extending direction of the connector, the size range of the card slot is 2mm to 3 mm.

10. The battery case according to claim 6, wherein the receiving groove extends in a direction away from the mounting hole in a size range of 20mm to 30 mm; the thickness range of the groove wall of the accommodating groove is 2mm to 3 mm; and/or the presence of a gas in the gas,

the edge of one end of the mounting hole, which is communicated with the opening of the accommodating groove, is provided with a limiting surface, and the limiting surface is abutted to the rubber plug.

11. The battery case according to any one of claims 1 to 5, wherein a side surface of the upper cover facing the inside of the battery case is provided with a reinforcing rib; and/or the presence of a gas in the gas,

the upper cover includes a boss portion that protrudes toward a side facing away from the inside of the battery case, and the mounting hole is provided on a side wall of the boss portion.

12. A battery comprising a battery module and the battery case according to any one of claims 1 to 11, wherein the battery module is enclosed in the battery case.