CN217934066U - Box and battery pack - Google Patents

Abstract

The application relates to the technical field of electronic equipment transportation, in particular to a box body and a battery pack. The box includes shell body and buffering inner shell. The shell body is equipped with first chamber and the first opening of acceping, and first chamber and external environment are acceptd in first opening intercommunication. The buffering inner shell is accommodated in the first accommodating cavity, the buffering inner shell is provided with a second accommodating cavity and a second opening, the second opening is communicated with the second accommodating cavity, an accommodating groove is further formed in the outer surface of the buffering inner shell, a notch of the accommodating groove is opposite to the first opening, the second accommodating cavity is used for accommodating a battery, and the second opening is used for enabling an electrode of the battery to stretch into the accommodating groove from the second opening and be clamped in the accommodating groove. With the above configuration, when the battery needs to be charged, the electrode accommodated in the accommodating groove is taken out from the first opening, and the electrode is electrically connected to an external power supply, thereby charging the battery. When the battery is used for supplementing electric energy, the battery can be charged without disassembling the stacked box body.

Description

Box and battery pack

Technical Field

The application relates to the technical field of electronic equipment transportation, in particular to a box body and a battery pack.

Background

Electric Vehicles (BEV) are Vehicles that run with Electric motors driven by their wheels using an on-board power supply as power. The lithium battery is used as a main energy storage device of the conventional electric automobile and provides electric energy for the electric automobile. In order to protect the lithium battery during long-distance transportation or long-distance long-time storage, the lithium battery is usually loaded in a box body, but because the cell of the lithium battery has a self-discharge phenomenon, if the lithium battery is self-discharged to consume electricity, the cell of the lithium battery can be affected, and therefore, the lithium battery needs to be supplemented with electric energy at intervals during the long-distance storage or long-distance long-time transportation of the lithium battery.

In the process of implementing the embodiment of the application, the inventor finds that: at present, the box of packing the lithium cell is sealed, when will carrying out the electric energy for the lithium cell and supply, needs to open the box that is equipped with the lithium cell, then takes out the back with the lithium cell and charges again, then repacks to the box again, and not only work load is big, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The application provides a box and battery pack to improve at present, the box of packing lithium cell is sealed, when will carrying out the electric energy for the lithium cell and supply, need open the box that is equipped with the lithium cell, then charge after taking out the lithium cell again, then repack to the box, not only work load is big, and the complicated current situation of operation.

In order to solve the technical problem, an embodiment of the present application adopts a technical scheme that a box body is provided, and the box body includes an outer shell and a buffer inner shell. The shell body is equipped with first chamber and the first opening of acceping, first opening intercommunication first chamber and external environment of acceping. The buffering inner shell is accommodated in the first accommodating cavity, the buffering inner shell is provided with a second accommodating cavity and a second opening, the second opening is communicated with the second accommodating cavity, an accommodating groove is further formed in the outer surface of the buffering inner shell, a notch of the accommodating groove is opposite to the first opening, the second accommodating cavity is used for accommodating a battery, and the second opening is used for enabling an electrode of the battery to extend into the accommodating groove from the second opening and is clamped in the accommodating groove.

Optionally, the number of the accommodating grooves is two, two accommodating grooves are arranged side by side, and one accommodating groove is used for accommodating an electrode of the battery.

Optionally, the outer shell includes a shell body and a movable cover plate, the first accommodating cavity and the first opening are both disposed on the shell body, the movable cover plate is detachably covered on the first opening, and the movable cover plate is used for separating the first accommodating cavity from the external environment.

Optionally, the outer casing further includes a flexible connection portion, the movable cover is located in the first opening, one end of the flexible connection portion is connected to the movable cover, and the other end of the flexible connection portion is connected to the wall surface of the first opening of the casing body.

Optionally, the buffer inner shell includes an upper shell and a lower shell, the upper shell and the lower shell together enclose the second accommodating cavity, the edge of the upper shell is provided with a first groove, and/or the edge of the lower shell is provided with a second groove; the first groove and the edge of the lower shell are butted to form the second opening together, or the second groove and the edge of the upper shell are butted to form the second opening together, or the first groove and the second groove are butted to form the second opening together.

Optionally, the box further includes four first protection members, one of the first protection members wraps a corner of the outer shell, and the other one of the first protection members is received in a corner of the first receiving cavity.

Optionally, four corner portions of the inner buffer shell are recessed to form four first limiting grooves, and one first protection part is partially accommodated in one first limiting groove.

Optionally, the box body further comprises two second protection members, and the second protection members are oppositely arranged on two sides of the middle part of the buffer inner shell.

Optionally, two sides of the middle portion of the inner buffer shell are recessed to form two second limiting grooves, and a portion of the second protection member is accommodated in one of the second limiting grooves.

In order to solve the above technical problem, another technical solution adopted in the embodiment of the present application is to provide a battery assembly, where the battery assembly includes a battery and the above box body, and the battery is accommodated in the second accommodating cavity.

The application provides a box. The box includes shell body and buffering inner shell. The shell body is equipped with first chamber and the first opening of acceping, first opening intercommunication first chamber and external environment of acceping. The buffering inner shell is accommodated in the first accommodating cavity, the buffering inner shell is provided with a second accommodating cavity and a second opening, the second opening is communicated with the second accommodating cavity, an accommodating groove is further formed in the outer surface of the buffering inner shell, a notch of the accommodating groove is opposite to the first opening, the second accommodating cavity is used for accommodating a battery, and the second opening is used for enabling an electrode of the battery to extend into the accommodating groove from the second opening and is clamped in the accommodating groove. With the structure, when the battery needs to be charged, the electrode accommodated in the accommodating groove is taken out from the first opening, and is electrically connected with an external power supply, so that the battery is charged. When the battery is used for supplementing electric energy, the battery can be charged without disassembling the stacked box body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of a battery assembly provided by one embodiment of the present application;

FIG. 2 is a schematic diagram of a battery assembly provided by one embodiment of the present application;

FIG. 3 is an exploded view of a battery assembly provided by one embodiment of the present application;

fig. 4 is an enlarged view of a portion a of fig. 1 according to an embodiment of the present disclosure.

The reference numerals of the battery assembly 1000 are as follows:

Detailed Description

To facilitate an understanding of the present application, the present application is described in more detail below with reference to the figures and the detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, a perspective view of a battery assembly 1000 provided in an embodiment of the present application and a schematic view of the battery assembly 1000 provided in the embodiment of the present application are respectively shown. The battery assembly 1000 includes a battery 200 and a case 100, the battery 200 is accommodated in the case 100, wherein the battery 200 includes a battery body 210 and an electrode 220, and the electrode 220 is connected to the battery body 210.

Referring to fig. 2 and fig. 3, a schematic diagram of a battery assembly 1000 according to an embodiment of the present application and an exploded view of the battery assembly 1000 according to an embodiment of the present application are shown in the case 100. The cabinet 100 includes an outer case 10 and a buffer inner case 20. The outer shell 10 is provided with a first accommodating cavity 11 and a first opening 12, and the first opening 12 is communicated with the first accommodating cavity 11 and the external environment. The buffer inner shell 20 is accommodated in the first accommodating cavity 11, the buffer inner shell 20 is provided with a second accommodating cavity 21 and a second opening 22, the second opening 22 is communicated with the second accommodating cavity 21, an accommodating groove 23 is further formed in the outer surface of the buffer inner shell 20, a notch of the accommodating groove 23 is arranged opposite to the first opening 12, the second accommodating cavity 21 is used for accommodating the battery 200, and the second opening 22 is used for enabling the electrode 220 of the battery 200 to extend into the accommodating groove 23 from the second opening 22 and be clamped in the accommodating groove 23. Specifically, the battery body 210 is accommodated in the second accommodating cavity 21, the electrode 220 connected to the battery body 210 extends into the accommodating groove 23 from the second opening 22, and the electrode 220 is clamped and fixed with the accommodating groove 23; alternatively, the second opening 22 is disposed on the outer surface of the buffer inner shell 20, and the receiving groove 23 is formed in a concave manner towards the second receiving cavity 21 relative to the outer surface of the buffer inner shell 20; alternatively, the second opening 22 is disposed at the bottom of the receiving groove 23, so that the electrode 220 can directly protrude from the bottom of the receiving groove 23, thereby facilitating the charging of the battery 200. It should be noted that the outer case 10 includes a corrugated cardboard box, a multi-layer cardboard box, a plastic box having a certain rigidity, and the like, and the cushioning inner case 20 includes a porous plastic box, a foamed plastic box, and the like. Optionally, the volume of the first receiving cavity 11 is slightly larger than that of the buffer inner shell 20, and the volume of the second receiving cavity 21 is slightly larger than that of the battery body 210; the buffer inner shell 20 is in interference fit with the outer shell 10, and the buffer inner shell 20 is in interference fit with the battery body 210, so that the battery body 210 is fixed in the buffer inner shell 20, and the battery body 210 is prevented from moving and damaging the battery. Correspondingly, in order to facilitate the buffer inner shell 20 to be taken out from the first accommodating cavity 11, at least one of the buffer inner shell 20 and the outer shell 10 is provided with a first avoiding portion (not shown in the figure), and the first avoiding portion is used for providing space for people, machinery or other tools so as to facilitate taking out the buffer inner shell 20; a second avoiding portion is further disposed in the buffer inner casing 20, and the second avoiding portion provides space for people, machinery or other tools to take out the battery body 210. Specifically, the first opening 12 in the embodiment of the present application is a long strip with two arc ends, so that when the electrode is used by a user, a hand or other auxiliary tool is inserted into the first opening to take out the electrode 220; and the second opening 22 is in the shape of a square hole; alternatively, the first opening 12 and the second opening 22 may also be provided in other hole shapes: such as elliptical holes, circular holes, rectangular holes, holes of regular geometry and combinations thereof or other shaped holes.

Further, please refer to the dashed schematic portion of fig. 2 in combination with other figures. In the case 100 of the embodiment of the present application, the number of the receiving slots 23 of the buffer inner case 20 is two, two receiving slots 23 are arranged side by side, and one receiving slot 23 is used for receiving the electrode 220 of one battery 200. It can be understood that, this arrangement has the advantage that when the polarities of the two electrodes 220 are opposite, the two electrodes can be separately accommodated in the accommodating grooves 23 to prevent short circuit; on the other hand, electrodes 220 may be distinguished to facilitate accurate docking when charging battery 200. Alternatively, the number of the receiving grooves 23 may be increased or decreased corresponding to the number of the electrodes 220; meanwhile, the surface of the first opening 12 facing outward may be marked with the signs of the positive and negative poles of the electrode 220, so as to facilitate the use of the user. Specifically, the notch of the receiving groove 23 is at least partially exposed at the first opening 12, so that the electrode 220 can protrude from the notch of the receiving groove 23 through the first opening 12, and the electrode 220 is electrically connected to an external power supply device to charge the battery 200.

For the outer casing 10, please refer to fig. 3 and fig. 4, which respectively show an exploded view of a battery assembly 1000 provided in one embodiment of the present application and an enlarged view of a portion a of fig. 1 provided in one embodiment of the present application, in combination with other drawings. The outer casing 10 includes a casing body 13 and a movable cover 14, the first accommodating cavity 11 and the first opening 12 are both disposed on the casing body 13, the movable cover 14 is detachably covered on the first opening 12, and the movable cover 14 is used for separating the first accommodating cavity 11 from the external environment. Optionally, the removable cover 14 is slightly smaller than the first opening 12, or alternatively, the removable cover 14 completely covers the first opening 12.

Further, please refer to fig. 4 in conjunction with other figures. The outer casing 10 further includes a flexible connecting portion 15, the movable cover 14 is located in the first opening 12, one end of the flexible connecting portion 15 is connected to the movable cover 14, and the other end of the flexible connecting portion 15 is connected to a wall surface of the first opening 12 of the casing body 13. Specifically, the outer shell 10 includes four flexible connection portions 15, two of the flexible connection portions 15 are disposed on a first side of the movable cover 14, and the other two flexible connection portions 15 are correspondingly disposed on a second side of the movable cover 14; the movable cover plate 14 moves between a first preset position and a second preset position, in the first preset position, the flexible connecting part 15 covers the movable cover plate 14 at the first opening 12, in the second preset position, the flexible connecting part 15 arranged at the first side is disconnected or the flexible connecting part 15 arranged at the second side is disconnected, and the movable cover plate 14 is far away from the first opening 12 around the flexible connecting part 15 at the other side; or, the movable cover 14 moves between a first preset position and a third preset position, in the first preset position, the flexible connecting portion 15 covers the movable cover 14 at the first opening 12, in the third preset position, the flexible connecting portion 15 is disconnected, and the movable cover 14 is separated from the housing body 13. It will be appreciated that the flap 14 may be a disposable flap 14 that is removed from the outer housing 10, or a reusable flap in which the flexible connection 15 may be a paper connection for easy disconnection during use, or a hinge connection made of other materials.

Please refer to fig. 3 in conjunction with other figures for the buffer inner shell 20. The buffer inner shell 20 comprises an upper shell 24 and a lower shell 25, the upper shell 24 and the lower shell 25 jointly enclose a second accommodating cavity 21, a first groove 241 is arranged on the edge of the upper shell 24, and/or a second groove (not shown in the figure) is arranged on the edge of the lower shell 25; the first groove 241 abuts against the edge of the lower case 25 to form the second opening 22, or the second groove abuts against the edge of the upper case to form the second opening 22, or the first groove 241 and the second groove abut against each other to form the second opening 22. It should be noted that the electrode 220 protrudes from the second opening 22 and protrudes into the receiving groove 23 between the inner buffer shell 20 and the outer buffer shell 10, that is, the cable of the electrode 220 is in interference fit with the inner buffer shell 20 and the outer buffer shell 10, so that the inner buffer shell 20 and the outer buffer shell 10 can clamp the electrode 220, and the electrode 220 is prevented from moving and deviating, thereby better fixing the electrode 220.

In the embodiments of the present application, please refer to fig. 3 in conjunction with other figures. The box 100 further includes four first protection members 30, one first protection member 30 is wrapped at one corner of the outer shell 10, and one first protection member 30 is received in one corner of the first receiving cavity 11. Specifically, the first protector 30 includes a first protection plate 31 and a second protection plate 32, the first protection plate 31 and the second protection plate 32 are vertically disposed, one surface of the first protection plate 31 and the second protection plate 32 abuts against the buffer inner case 20, and the other surface abuts against the outer case 10. The first protection plate 31 and the second protection plate 32 are used to enhance the rigidity of the corners of the box body 100, and to improve the crashworthiness and the stability of the box body 100 when stacked. On the other hand, when the case 100 is installed, the first protection plate 31 and the second protection plate 32 may be first disposed at the corners of the first receiving cavity 11, then the lower case 25 is placed, and after the battery body 210 is placed in the lower case 25, the upper case 24 is placed, and at this time, the first protection plate 31 and the second protection plate 32 may play a role in positioning the upper case 24 and the lower case 25 so that the upper case 24 and the lower case 25 are aligned to prevent the deviation.

Further, please refer to fig. 3 in conjunction with other figures. Four first limiting grooves 26 are formed at four corners of the inner buffer shell 20, and a first protection member 30 is partially received in one of the first limiting grooves 26. Thereby improving corner stiffness and shock resistance of the inner cushioning shell 20.

In the embodiments of the present application, please refer to fig. 3 in combination with other figures. The box body 100 further includes two second protection members 40, and the second protection members 40 are oppositely disposed at both sides of the middle portion of the buffer inner shell 20. Specifically, the second protection member 40 includes a third protection plate 41 and a fourth protection plate 42, the surfaces of the third protection plate 41 and the fourth protection plate 42 are disposed at an included angle, meanwhile, the surfaces of the third protection plate 41 and the fourth protection plate 42 are abutted to the outer surface of the buffer inner shell 20, the end of the third protection plate 41 far away from the fourth protection plate 42 is abutted to the outer shell 10, and the end of the fourth protection plate 42 far away from the third protection plate 41 is abutted to the outer shell 10, so as to provide support for the buffer inner shell 20 and enhance the buffering capacity of the buffer inner shell 20; on the other hand, when the box body 100 is installed, the third protective plate 41 and the fourth protective plate 42 may be first disposed in the middle of the first receiving cavity 11, then the lower case 25 is placed in the first receiving cavity, and after the battery body 210 is placed in the lower case 25, the upper case 24 is placed in the first receiving cavity, at this time, the third protective plate 41 and the fourth protective plate 42 play a role of positioning the upper case 24 and the lower case 25, so that the upper case 24 and the lower case 25 are aligned to prevent deviation; alternatively, the third protection plate 41 and the fourth protection plate 42 may be inserted into the first receiving cavity 11 after the buffer inner shell 20 is placed in the first receiving cavity 11.

Furthermore, two sides of the middle portion of the inner buffer shell 20 are recessed to form two second limiting grooves 27, and a second protection member 40 is partially received in one of the second limiting grooves 27. Specifically, the second position-limiting groove 27 is recessed toward the second receiving cavity 21, and a wall of the second position-limiting groove 27 and a wall of the first receiving cavity 11 jointly enclose a triangular prism, so that the second protection member 40 can limit the relative sliding between the upper housing 24 and the lower housing 25 along the direction extending along the wall of the first receiving cavity 11 during the transportation of the box 100, and prevent the battery body 210 from being damaged.

The present application provides a case 100. The cabinet 100 includes an outer housing 10 and a buffer inner housing 20. The outer housing 10 is provided with a first receiving cavity 11 and a first opening 12, and the first opening 12 communicates the first receiving cavity 11 with the external environment. The buffer inner shell 20 is accommodated in the first accommodating cavity 11, the buffer inner shell 20 is provided with a second accommodating cavity 21 and a second opening 22, the second opening 22 is communicated with the second accommodating cavity 21, the outer surface of the buffer inner shell 20 is further provided with an accommodating groove 23, a notch of the accommodating groove 23 is arranged opposite to the first opening 12, the second accommodating cavity 21 is used for accommodating the battery 200, and the second opening 22 is used for enabling the electrode 220 of the battery 200 to extend into the accommodating groove 23 from the second opening 22 and be clamped in the accommodating groove 23. With the above configuration, when it is necessary to charge the battery 200, the electrode 220 accommodated in the accommodating groove 23 is taken out from the first opening 12, and the electrode 220 is electrically connected to an external power supply, thereby charging the battery 200. So that the battery 200 can be charged without disassembling the stacked cases 100 when the battery 200 is replenished with electric power.

It should be noted that the description of the present application and the accompanying drawings set forth preferred embodiments of the present application, however, the present application may be embodied in many different forms and is not limited to the embodiments described in the present application, which are not intended as additional limitations to the present application, but are provided for the purpose of providing a more thorough understanding of the present disclosure. Moreover, the above-mentioned technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope described in the present specification; further, modifications and variations may occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.

Claims (10)

1. A box, characterized in that includes:

the shell is provided with a first accommodating cavity and a first opening, and the first opening is communicated with the first accommodating cavity and the external environment;

the buffering inner shell is accommodated in the first accommodating cavity, the buffering inner shell is provided with a second accommodating cavity and a second opening, the second opening is communicated with the second accommodating cavity, an accommodating groove is further formed in the outer surface of the buffering inner shell, a notch of the accommodating groove is opposite to the first opening, the second accommodating cavity is used for accommodating a battery, and the second opening is used for enabling an electrode of the battery to extend into the accommodating groove from the second opening and is clamped in the accommodating groove.

2. The cabinet as claimed in claim 1,

the number of the accommodating grooves is two, the two accommodating grooves are arranged side by side, and one accommodating groove is used for accommodating an electrode of the battery.

3. The cabinet as claimed in claim 1, wherein the outer casing includes a casing body and a removable cover, the first receiving cavity and the first opening are both disposed on the casing body, the removable cover is detachably disposed at the first opening, and the removable cover is used for separating the first receiving cavity from the external environment.

4. The cabinet as claimed in claim 3,

the shell body further comprises a flexible connecting portion, the movable cover plate is located in the first opening, one end of the flexible connecting portion is connected to the movable cover plate, and the other end of the flexible connecting portion is connected to the wall face of the first opening of the shell body.

5. The box body as claimed in claim 1, wherein the buffering inner shell comprises an upper shell and a lower shell, the upper shell and the lower shell jointly enclose the second accommodating cavity, a first groove is arranged on the edge of the upper shell, and/or a second groove is arranged on the edge of the lower shell; the first groove and the edge of the lower shell are butted to form the second opening together, or the second groove and the edge of the upper shell are butted to form the second opening together, or the first groove and the second groove are butted to form the second opening together.

6. The cabinet as claimed in claim 1, further comprising four first protectors, one of the first protectors wraps around a corner of the outer housing, and one of the first protectors is received in a corner of the first receiving cavity.

7. The cabinet as claimed in claim 6, wherein four corners of the inner buffer casing are recessed to form four first retaining grooves, and a first protector is partially received in one of the first retaining grooves.

8. The cabinet as claimed in claim 5, further comprising two second protectors disposed opposite to both sides of the middle portion of the inner buffer housing.

9. The cabinet as claimed in claim 8, wherein two second retaining grooves are formed in both sides of a central portion of the inner buffer shell, and a portion of the second protector is received in one of the second retaining grooves.

10. A battery pack comprising a battery and the case according to any one of claims 1 to 9, wherein the battery is housed in the second housing chamber.

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