CN217405579U

CN217405579U - Shell assembly and battery module

Info

Publication number: CN217405579U
Application number: CN202220371223.9U
Authority: CN
Inventors: 陈熙; 邓磊
Original assignee: Ecoflow Technology Ltd
Current assignee: Ecoflow Technology Ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-09-09
Anticipated expiration: 2032-02-23

Abstract

The application discloses casing subassembly includes first casing to and the second casing that links to each other with first casing, first casing has the mounting groove that is used for holding the battery package and the first lateral wall that sets up relatively with the cell wall of mounting groove, is formed with first storage tank between the cell wall of first lateral wall and mounting groove. The second shell is provided with a second accommodating groove opposite to the first accommodating groove, the first accommodating groove and the second accommodating groove are butted to form an accommodating cavity when the first shell is connected with the second shell in a butt joint mode, the accommodating cavity is used for containing the functional assembly, and at least one of the first side wall and the second shell is provided with an operation opening communicated with the first accommodating groove. At least one of the first side wall and the second shell is provided with an operation opening communicated with the first accommodating groove, and the operation opening is not communicated with the mounting groove, so that water liquid falling on the shell assembly can only enter the accommodating cavity and is not easy to reach the mounting groove, and a battery pack in the mounting groove is not easy to be influenced by water.

Description

Housing assembly and battery module

Technical Field

The application relates to the field of energy storage equipment, in particular to a shell assembly and a battery module.

Background

The battery module comprises a shell and a battery pack arranged in the shell, and can independently supply power for an electric appliance. The existing battery module is often provided with some functional components on a shell to realize certain functions, for example, a sliding buckle is arranged to connect other equipment, or a mechanical button is arranged to open a certain function, the components needing to interact with people all need to be punched or opened or holed on the shell to expose the functional components, so that the operation of a user is facilitated, but the waterproof effect of a battery pack in the battery module is influenced by the existence of an operation port formed by the opening or the holed, and the use safety of the battery pack is easily influenced by the water in the use environment.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a casing subassembly and battery module, aim at solving prior art, among the battery module casing operation mouth influences the problem of the water-proof effects of battery package easily.

To achieve the purpose, the following technical scheme is adopted in the application:

the application provides a housing assembly, includes:

the battery pack comprises a first shell, a second shell and a battery pack, wherein the first shell is provided with a mounting groove for accommodating a battery pack and a first side wall arranged opposite to the groove wall of the mounting groove, and a first accommodating groove is formed between the first side wall and the groove wall of the mounting groove;

the second shell is provided with a second containing groove, the second shell is connected with the first shell, the first containing groove and the second containing groove are in butt joint and jointly enclose to form a containing cavity for containing the functional component, and at least one of the first side wall and the second shell is provided with an operation opening communicated with the containing cavity.

In one embodiment, a groove wall of the first receiving groove is provided with a first seam allowance, a groove wall of the second receiving groove is provided with a second seam allowance, and the first seam allowance is in fit connection with the second seam allowance.

In one embodiment, the first seam allowance is a male seam allowance and the second seam allowance is a female seam allowance.

In one embodiment, the housing assembly further comprises a first seal ring for sealing a gap between a wall of the first receiving groove and a wall of the second receiving groove.

In one embodiment, a drain hole is formed at the bottom of the first receiving groove.

In one embodiment, the first accommodating groove is arranged around the mounting groove;

or, the number of the first accommodating grooves is multiple, and the first accommodating grooves are mutually separated.

In one embodiment, the first shell has a second side wall, the second shell has a third side wall, a third seam allowance is arranged on the second side wall, a fourth seam allowance is arranged on the third side wall, and the third seam allowance is connected with the fourth seam allowance.

In one embodiment, the housing assembly further comprises a second seal ring for sealing a gap between the third and fourth seam allowances.

In one embodiment, the second sealing ring is arranged on a step surface of the fourth spigot, the height of the step of the fourth spigot is greater than that of the step of the third spigot, and the third spigot is abutted with the fourth spigot and abutted with the second sealing ring;

or, the third side wall is provided with a butt rib, the butt rib and the fourth spigot jointly form a limiting notch, and the second sealing ring is arranged in the limiting notch.

The application also provides a battery module, including above-mentioned arbitrary shell body subassembly, battery package and functional unit, the battery package is located shell body subassembly in the mounting groove, functional unit locates in the holding chamber.

The application provides a housing assembly has following beneficial effect at least: when the first shell is in butt joint with the second shell, the first accommodating groove and the second accommodating groove are in butt joint to form an accommodating cavity, and a functional component can be arranged in the accommodating cavity. At least one of the first side wall and the second shell is provided with an operation opening communicated with the first containing groove, and the operation opening is convenient for a user to operate the functional component. Because the operation mouth does not communicate with the mounting groove, consequently, the water liquid that falls on casing assembly can only enter into the holding intracavity, is blockked by the chamber wall in holding chamber, and in being difficult for reacing the mounting groove, the battery package in the mounting groove is difficult for receiving the influence of water, makes the operation mouth of functional unit installation department can not influence the water-proof effects of battery package.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a housing assembly according to an embodiment of the present application;

FIG. 2 is an exploded view of a housing assembly in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a housing assembly in an embodiment of the present application;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of a second housing in an embodiment of the present application;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

FIG. 7 is a bottom view of a housing assembly in an embodiment of the present application;

fig. 8 is an exploded view of a battery module in an embodiment of the present application;

in the figure:

10-first shell 20-second shell 30-containing cavity

40-operation opening 50-first sealing ring 60-second sealing ring

70-functional component 80-limiting notch 90-battery pack

101-mounting groove 102-first sidewall 103-first receiving groove

104-second side wall 201-second receiving groove 202-third side wall

1031-first spigot 1032-drain hole 1041-third spigot

2011-second stop 2021-fourth stop 2022-abutment rib.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The existing battery module is often provided with some functional components on a shell to realize certain functions, for example, a sliding buckle is arranged to connect other equipment, or a mechanical button is arranged to open a certain function, the components needing to interact with people all need to be punched or opened or holed on the shell to expose the functional components, so that the operation of a user is facilitated, but the waterproof effect of a battery pack in the battery module is influenced by the existence of an operation port formed by the opening or the holed, and the use safety of the battery pack is easily influenced by the water in the use environment.

To solve the problem, embodiments of the present application provide a housing assembly and a battery module, and implementations of the present application are described in detail below with reference to specific embodiments.

As shown in fig. 1 to 3, an embodiment of the present application provides a housing assembly, which includes a first housing 10 and a second housing 20 connected to the first housing 10, where the first housing 10 and the second housing 20 enclose an external structure of the housing assembly, the first housing 10 has a mounting groove 101 for accommodating a battery pack 90 and a first side wall 102 disposed opposite to a groove wall of the mounting groove 101, and a first accommodating groove 103 is formed between the first side wall 102 and the groove wall of the mounting groove 101, that is, the first accommodating groove 103 and the mounting groove 101 have a common groove wall. The second housing 20 is provided with a second receiving groove 201 opposite to the first receiving groove 103, the first receiving groove 103 is butted with the second receiving groove 201 to form a receiving cavity 30 while the first housing 10 is butted with the second housing 20, the receiving cavity 30 is used for receiving the functional assembly 70, the functional assembly 70 can be a buckle assembly used for connecting the housing assembly with other structures, or other parts (such as a toggle switch, an operation button and the like) which can be operated by a user, at least one of the first side wall 102 and the second housing 20 is provided with an operation port 40 communicated with the receiving cavity 30, the operation port 40 is not communicated with the receiving groove 101, and the opening is used for exposing the functional component outside the battery module, so that the user can operate or connect with other corresponding parts in a matching manner.

Referring to fig. 4-6, in the embodiment of the present application, a first receiving groove 103 is defined by a groove wall of the mounting groove 101 and a first side wall 102 of the first housing 10, a corresponding second receiving groove 201 is disposed on the second housing 20, when the first housing 10 is connected to the second housing 20 in an abutting manner, the first receiving groove 103 and the second receiving groove 201 are defined in an abutting manner to form a receiving cavity 30, functional components such as a snap-in component can be disposed in the receiving cavity 30, and the operation port 40 disposed on at least one of the first side wall 102 and the second housing 20 is convenient for a user to operate the functional components, so as to enrich functions of the battery module. Because the operation opening 40 is not communicated with the mounting groove 101, the water liquid falling on the housing assembly can only enter the accommodating cavity 30 and is blocked by the cavity wall of the accommodating cavity 30, and is not easy to reach the mounting groove 101, and the battery pack 90 in the mounting groove 101 is not easy to be influenced by water. The opening at the installation position of the functional component 70 does not influence the waterproof effect of the battery pack 90 of the battery module, and the function of the battery module is enriched while the better waterproof effect is still realized.

Referring to fig. 3 to 4, as another embodiment of the housing assembly provided by the present application, a first stop 1031 is disposed on a wall of the first accommodating groove 103, a second stop 2011 is disposed on a wall of the second accommodating groove 201, and the first stop 1031 is connected to the second stop 2011. The junction of the first receiving groove 103 and the second receiving groove 201 is connected with the second spigot 2011 through the matching of the first spigot 1031 and the second spigot, so that the sealing performance of the junction can be improved, and further, water liquid is prevented from entering the mounting groove 101 from the receiving cavity 30, and the waterproof performance of the IP54 level is realized.

Referring to fig. 3-4, as another embodiment of the housing assembly provided by the present application, the first stop 1031 is a male stop with its step facing outward, the second stop 2011 is a female stop with its step facing inward, and the first and second stops can be tightly fitted with each other to reduce the probability of water passing through the mounting groove 101, and further reduce the probability of water entering the mounting groove 101.

Referring to fig. 3 to 4, as another embodiment of the housing assembly provided by the present application, the housing assembly further includes a first sealing ring 50, and the first sealing ring 50 is used for sealing a gap between a groove wall of the first receiving groove 103 and a groove wall of the second receiving groove 201. The first sealing ring 50 may be a rubber ring, a silicone ring, or other sealing member having a certain flexibility and corrosion resistance, and may be tightly attached between the groove wall of the first receiving groove 103 and the groove wall of the second receiving groove 201 to seal a gap between the groove wall of the first receiving groove 103 and the groove wall of the second receiving groove 201, thereby ensuring the sealing property, and further preventing water from entering the mounting groove 101 from the receiving cavity 30, and realizing the waterproof performance at the IP65 level.

Optionally, the first sealing ring 50 may be formed on the groove wall of the first receiving groove 103 or the groove wall of the second receiving groove 201 in a secondary injection molding manner, so that the degree of fitting between the flexible glue of the first sealing ring 50 and the groove wall of the first receiving groove 103 and the groove wall of the second receiving groove 201 is ensured to be relatively good, the sealing effect is improved, and meanwhile, the situations that the first sealing ring 50 is difficult to assemble due to deformation and the waterproof performance is reduced can be avoided.

Referring to fig. 7, as another embodiment of the housing assembly provided by the present application, a water discharge hole 1032 is formed at the bottom of the first accommodating groove 103, so that water entering the accommodating chamber 30 can be discharged from the water discharge hole 1032 quickly, and water is not easy to form in the accommodating chamber 30, thereby reducing the probability that the water enters the installation groove 101 through the gap between the groove wall of the first accommodating groove 103 and the groove wall of the second accommodating groove 201.

Referring to fig. 2, as another embodiment of the housing assembly provided by the present application, the first receiving groove 103 is disposed around the mounting groove 101, that is, the first receiving groove 103 is disposed around the mounting groove 101, so that even though water enters the interior of the housing assembly through the connection between the first housing 10 and the second housing 20, the water can flow into the first receiving groove 103 and cannot directly flow into the mounting groove 101, so as to improve the overall waterproof effect.

Referring to fig. 2, as another embodiment of the housing assembly provided in the present application, the number of the first receiving grooves 103 is plural, the plural first receiving grooves 103 are separated from each other, and a plurality of functional assemblies 70 can be disposed to enrich the functions of the housing assembly. Meanwhile, since the number of the first receiving grooves 103 is plural, the number of the first receiving grooves 103 around the mounting groove 101 is large, and the mounting groove 101 can be isolated at plural places, so that even if water enters the inside of the housing assembly through the joint of the first housing 10 and the second housing 20, the water can generally flow into the first receiving grooves 103 and does not directly flow into the mounting groove 101, thereby improving the overall waterproof effect.

Referring to fig. 2 and fig. 5-6, as another embodiment of the housing assembly provided by the present application, the first housing 10 has a second sidewall 104, the second housing 20 has a third sidewall 202, the second sidewall 104 is provided with a third seam allowance 1041, the third sidewall 202 is provided with a fourth seam allowance 2021, and the third seam allowance 1041 is connected to the fourth seam allowance 2021, so as to improve the sealing strength of all the butt edges of the first housing 10 and the second housing 20, thereby achieving better waterproof performance. And the third seam allowance 1041 is matched with the fourth seam allowance 2021, so that the first shell 10 and the second shell 20 have a positioning function, are not easy to twist, the strength of the joint of the first shell 10 and the second shell 20 can be improved, and the first shell 10 and the second shell 20 are not easy to deform under the action of external force.

Referring to fig. 2 and fig. 5 to fig. 6, as another embodiment of the housing assembly provided by the present application, the housing assembly further includes a second sealing ring 60, and the second sealing ring 60 is used for sealing a gap between the third seam allowance 1041 and the fourth seam allowance 2021. The second sealing ring 60 may be a rubber ring, a silica gel ring, or other flexible and corrosion-resistant sealing member, and may be tightly attached between the third seam allowance 1041 and the fourth seam allowance 2021 to seal a gap between the third seam allowance 1041 and the fourth seam allowance 2021, i.e., a gap at a connecting edge of the first casing 10 and the second casing 20, so as to ensure sealing performance and prevent water from entering the casing assembly from the accommodating chamber 30.

Optionally, the second sealing ring 60 can be formed on the third seam allowance 1041 and the fourth seam allowance 2021 by adopting a secondary injection molding mode, so that the fitting degree of the soft rubber of the second sealing ring 60 and the third seam allowance 1041 and the fourth seam allowance 2021 is better, the sealing effect is improved, and meanwhile, the conditions that the second sealing ring 60 is difficult to assemble and the waterproofness can be reduced due to deformation can be avoided.

Referring to fig. 5 to 6, as another embodiment of the housing assembly provided by the present application, the second sealing ring 60 is disposed on a step surface of the fourth seam allowance 2021, and a height of the step of the fourth seam allowance 2021 is greater than a height of the step of the third seam allowance 1041, so as to accommodate the height of the second sealing ring 60, thereby avoiding a situation that a butt gap exists after the second sealing ring 60 is disposed between the third seam allowance 1041 and the fourth seam allowance 2021. The third seam allowance 1041 abuts against the fourth seam allowance 2021 and abuts against the second seal ring 60, and the second seal ring 60 can seal a gap which may exist when the third seam allowance 1041 is matched with the fourth seam allowance 2021 so as to match the third seam allowance 1041 and the fourth seam allowance 2021 to further enhance the sealing performance of the joint of the first shell 10 and the second shell 20.

Referring to fig. 5-6, as another specific embodiment of the housing assembly provided by the present application, the abutting rib 2022 is disposed on the third sidewall 202, so as to enhance the strength of the third sidewall 202, the abutting rib 2022 and the fourth seam allowance 2021 together form a limiting notch 80, the second sealing ring 60 is disposed in the limiting notch 80, the second sealing ring 60 is simultaneously limited by the third seam allowance 1041 and the abutting rib 2022, so that the second sealing ring is not easily deviated, the mounting stability is high, and a gap possibly existing between the third seam allowance 1041 and the fourth seam allowance 2021 can be better sealed.

As shown in fig. 8, the embodiment of the present application further provides a battery module, which includes the housing assembly, the battery pack 90 and the functional assembly 70 in any of the above embodiments, wherein the battery pack 90 is disposed in the mounting groove 101 of the housing assembly, and the functional assembly 70 is disposed in the accommodating cavity 30.

Since the battery module in the present embodiment has the housing assembly in the above-described embodiment, the battery module has all the technical effects of the above-described housing assembly. For example, a first receiving groove 103 is defined by a groove wall of the mounting groove 101 of the housing assembly and a first side wall 102 of the first housing 10, a corresponding second receiving groove 201 is disposed on the second housing 20, when the first housing 10 is connected to the second housing 20 in a butt joint manner, the first receiving groove 103 and the second receiving groove 201 are defined in a butt joint manner to form a receiving cavity 30, functional components such as a clamping component can be disposed in the receiving cavity 30, and the operation opening 40 disposed on at least one of the first side wall 102 and the second housing 20 is convenient for a user to operate the functional components, so as to enrich functions of the battery module. Because the operation opening 40 is not communicated with the mounting groove 101, the water liquid falling on the housing assembly can only enter the accommodating cavity 30 and is blocked by the cavity wall of the accommodating cavity 30, and is not easy to reach the mounting groove 101, and the battery pack 90 in the mounting groove 101 is not easy to be influenced by water. The opening at the installation position of the functional component 70 does not affect the waterproof effect of the battery pack 90 of the battery module, and the function of the battery module is enriched, and meanwhile, the better waterproof effect is still achieved.

It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.

It should be understood that the above examples are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A housing assembly, comprising:

the second shell is provided with a second containing groove, the second shell is connected with the first shell, the first containing groove and the second containing groove jointly enclose a containing cavity for containing the functional assembly, and at least one of the first side wall and the second shell is provided with an operation opening communicated with the containing cavity.

2. The housing assembly of claim 1 wherein a first slot wall of the first receiving slot has a first spigot and a second slot wall of the second receiving slot has a second spigot, the first spigot and the second spigot being cooperatively connected.

3. The housing assembly of claim 2 wherein the first seam allowance is a male seam allowance and the second seam allowance is a female seam allowance.

4. The housing assembly of any one of claims 1-3 further comprising a first seal for sealing a gap between a wall of the first receiving channel and a wall of the second receiving channel.

5. The housing assembly of any one of claims 1 to 3, wherein a drain hole is formed at a bottom of the first receiving groove.

6. The housing assembly of any of claims 1-3, wherein the first receiving groove is disposed around the mounting groove;

or the number of the first accommodating grooves is multiple, and the multiple first accommodating grooves are mutually separated.

7. The housing assembly of claim 1 wherein the first housing has a second sidewall and the second housing has a third sidewall, a third seam allowance being provided on the second sidewall and a fourth seam allowance being provided on the third sidewall, the third seam allowance being connected to the fourth seam allowance.

8. The housing assembly of claim 7 further comprising a second seal for sealing a gap between the third and fourth stops.

9. The housing assembly of claim 8 wherein the second seal ring is disposed on a stepped surface of the fourth spigot, the height of the step of the fourth spigot being greater than the height of the step of the third spigot, the third spigot abutting the fourth spigot and abutting the second seal ring;

or, the third side wall is provided with a butt rib, the butt rib and the fourth seam allowance jointly form a limiting notch, and the second sealing ring is arranged in the limiting notch.

10. A battery module, comprising the housing assembly of any one of claims 1 to 9, a battery pack and a functional assembly, wherein the battery pack is disposed in the mounting groove of the housing assembly, and the functional assembly is disposed in the accommodating cavity.