CN218448265U

CN218448265U - Battery box and battery device

Info

Publication number: CN218448265U
Application number: CN202222584106.3U
Authority: CN
Inventors: 赵冬
Original assignee: China Lithium Battery Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-02-03
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a battery technology field especially relates to a battery box and battery device, the battery box includes case shell and connector, the first surface of case shell is connected with the second surface sealing of connector, the second surface is provided with the holding tank, the holding tank is closed annular, be provided with the sealing washer in the holding tank, medial surface or the lateral surface of sealing washer are provided with logical groove, lead to the groove and run through the sealing washer along the relative arrangement direction of case shell and connector, so that the tank bottom part of first surface and holding tank exposes in logical groove, lead to groove and external intercommunication. Through the structure design, the utility model discloses can aerify to leading to the inslot, utilize to fill the atmospheric pressure that gas produced and push up connector and case shell relatively to open to realize the quick dismantlement of sealing washer, realize the quick separation of case shell and connector.

Description

Battery box and battery device

Technical Field

The utility model relates to a battery technology field especially relates to a battery box and battery device.

Background

In a conventional battery device, a connector is hermetically connected to a case through a gasket. After long-time use, the sealing ring is attached to the surfaces of the two sides of the box body and the connector and can be tightly bonded to the box body and the connector, so that the sealing ring is difficult to disassemble, and the connector and the box body cannot be quickly separated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes above-mentioned prior art's at least one defect, provides the quick-operation separation's of case shell and connector that can realize sealing connection battery box.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model discloses an aspect provides a battery box, wherein, including case shell and connector, the first surface of case shell with the second surface sealing connection of connector, the second surface is provided with the holding tank, the holding tank is closed annular, be provided with the sealing washer in the holding tank, medial surface or the lateral surface of sealing washer are provided with logical groove, lead to the groove edge the case shell with the relative arrangement direction of connector runs through the sealing washer, so that the first surface with the tank bottom part of holding tank exposes in lead to the groove, lead to groove and external intercommunication.

According to the above technical scheme, the utility model provides an advantage and positive effect of battery box lie in:

the utility model provides a battery box includes case shell and connector via sealing washer sealing connection, and the holding tank that is used for holding the sealing washer is offered to the connector. Wherein, the medial surface or the lateral surface of sealing washer are provided with logical groove, lead to the groove and run through the sealing washer and communicate with the external world. Through the structure design, the utility model discloses can aerify to leading to the inslot, utilize to fill the atmospheric pressure that gas produced and push up connector and case shell relatively to open to realize the quick dismantlement of sealing washer, realize the quick separation of case shell and connector.

Another main objective of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a battery device using the above-mentioned battery box.

according to another aspect of the utility model, a battery device is provided, wherein, include the utility model provides a battery box.

According to the above technical scheme, the utility model provides a battery device's advantage lies in with positive effect:

the utility model provides a battery device, through adopting the utility model provides a battery box can realize the quick dismantlement of sealing washer, realizes the quick separation of case shell and connector.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a partial plan view schematic diagram illustrating a partial structure of a battery case according to an exemplary embodiment;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2;

FIG. 4 is a top view of a portion of the structure shown in FIG. 3;

FIGS. 5 and 6 are partial plan views of a partial structure of a battery case according to other exemplary embodiments, respectively;

fig. 7 is a partial sectional view illustrating a partial structure of a battery case according to another exemplary embodiment.

The reference numerals are illustrated below:

100. a cabinet housing;

101. a first surface;

110. a through hole;

200. a connector;

201. a second surface;

210. accommodating grooves;

220. a channel;

300. a seal ring;

310. a through groove;

G. a gap;

l, length;

w1, depth;

w2, width;

w3. width;

x. relative arrangement direction;

y, the extension direction;

z, width direction.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments, and its several details are capable of modification in various other respects, all without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of the invention.

Referring to fig. 1, a partial schematic plan view of a part of the structure of a battery case according to the present invention is representatively shown, in which a sealing structure of a case housing 100 and a connector 200 of the battery case is specifically shown. In this exemplary embodiment, the battery case provided by the present invention is described by way of example as applied to an in-vehicle battery. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to apply the inventive concepts described herein to other types of battery cases, and still fall within the scope of the principles of the presently disclosed battery cases.

As shown in fig. 1, in an embodiment of the present invention, the battery box provided by the present invention includes a box housing 100 and a connector 200, wherein the connector 200 is hermetically connected to the box housing 100. Referring to fig. 2-4 in combination, fig. 2 representatively illustratesbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1;

an enlarged schematic view of portion B of fig. 2 is representatively illustrated in fig. 3; representatively illustrated in fig. 4 is a top view of a portion of the structure illustrated in fig. 3, particularly illustrating a top view of the connector 200 and seal ring 300. The structure, connection mode and functional relationship of the main components of the battery box body provided by the present invention will be described in detail below with reference to the above drawings.

As shown in fig. 1 to 4, in an embodiment of the present invention, the housing 100 has a first surface 101 facing the connector 200, for example, an outer side surface of the housing 100, the connector 200 has a second surface 201 facing the housing 100, and the first surface 101 is connected to the second surface 201 in a sealing manner. Wherein, be provided with holding tank 210 on the second surface 201 of connector 200, this holding tank 210 is closed annular, and is provided with sealing washer 300 in the holding tank 210, and this sealing washer 300 can realize the sealed of case shell 100 with connector 200, and two surfaces of sealing washer 300 respectively butt in the first surface 101 of case shell 100 and the tank bottom of holding tank 210. On this basis, since the gasket 300 has an annular structure, it also has an inner side and an outer side, and the inner side or the outer side of the gasket 300 may be provided with a through groove 310, and the through groove 310 penetrates the gasket 300 along the relative arrangement direction X of the cabinet 100 and the connector 200, so that the first surface 101 and the groove bottom portion of the receiving groove 210 are exposed to the through groove 310, and the through groove 310 communicates with the outside. It should be noted that the term "outside" may be understood as the outside of the battery case, and may also be understood as an area included in the battery case and outside the sealed connection position of the case 100 and the connector 200, for example, the inner cavity of the case 100 (i.e., the inner surface of the case 100). Through the structure design, the utility model discloses can aerify in leading to groove 310 via, utilize to fill the atmospheric pressure that gas produced to open connector 200 and case shell 100 with the relative top to realize sealing washer 300's quick dismantlement, realize case shell 100 and connector 200's quick separation.

As shown in fig. 3, in an embodiment of the present invention, a width direction Z parallel to the first surface 101 (or the second surface 201) and perpendicular to the extending direction Y of the sealing ring 300 is defined, and along the width direction Z, the ratio of the depth W1 of the through groove 310 in the width W2 of the sealing ring 300 may be 0.1 to 0.4, for example, 0.1, 0.2, 0.3, 0.4, and the like. Through the structure design, the utility model discloses can avoid because of leading to the degree of depth W1 of groove 310 account for than the undersize and make the function of dismantling sealing washer 300 fast obvious inadequately, can avoid simultaneously because of leading to the degree of depth W1 of groove 310 account for than too big and make the unable satisfying request of sealed effect of sealing washer 300. In some embodiments, the ratio of the depth W1 of the through groove 310 to the width W2 of the sealing ring 300 may also be less than 0.1, or may be greater than 0.4, such as 0.08, 0.41, and the like, which is not limited to the present embodiment.

As shown in fig. 4, in an embodiment of the present invention, an orthographic projection pattern of the through groove 310 on the bottom of the accommodating groove 210 may be rectangular. Through the structure design, the utility model has the advantages of simple structure, the processing of being convenient for. In some embodiments, the orthographic projection of the through groove 310 on the bottom of the accommodating groove 210 can also be in other shapes, such as triangle, semi-ellipse, etc., and is not limited to this embodiment.

Referring to fig. 5, a partial top view of a portion of a battery housing in another exemplary embodiment that can embody principles of the present invention is representatively illustrated in fig. 5.

As shown in fig. 5, in an embodiment of the present invention, an orthographic projection pattern of the through groove 310 on the bottom of the accommodating groove 210 may be trapezoidal. Specifically, the long side of the trapezoid corresponding to the orthographic projection pattern of the through groove 310 is the opening of the through groove 310 on the inner side (or the outer side) of the seal ring 300.

Referring to fig. 6, a partial top view of a portion of a battery housing in another exemplary embodiment that can embody principles of the present invention is representatively illustrated in fig. 6.

As shown in fig. 6, in an embodiment of the present invention, an orthographic projection pattern of the through groove 310 on the bottom of the accommodating groove 210 may be in an arc shape.

In an embodiment of the present invention, the material of the sealing ring 300 may be rubber or silicon foam.

As shown in fig. 4, in an embodiment of the present invention, the sealing ring 300 may be provided with a plurality of through grooves 310, and the through grooves 310 may be arranged at intervals along the extending direction Y of the sealing ring 300. Through the structure design, the utility model discloses can aerify to a plurality of logical grooves 310 simultaneously, further accelerate the dismantlement speed of sealing washer 300 in view of the above. In some embodiments, the sealing ring 300 may be provided with only one through groove 310, and the present embodiment is not limited thereto.

As shown in fig. 4, based on the structural design that the sealing ring 300 is provided with a plurality of through grooves 310, in an embodiment of the present invention, along the extending direction Y of the sealing ring 300, the lengths L of the plurality of through grooves 310 may be equal.

As shown in fig. 4, based on the structural design that the sealing ring 300 is provided with a plurality of through grooves 310, in an embodiment of the present invention, along the width direction of the accommodating groove 210, the depths of the plurality of through grooves 310 may be equal.

As shown in fig. 3 and 4, in an embodiment of the present invention, the width W3 of the receiving groove 210 may be greater than the width W2 of the sealing ring 300, so that a gap G is formed between the inner side surface and the outer side surface of the sealing ring 300 and the two side groove walls of the receiving groove 210. Through the structure design, the utility model discloses can utilize clearance G to reserve deformation inflation space for sealing washer 300, be suitable for satisfying the sealing washer 300 and receiving needs when the relative extrusion that receives case shell 100 and connector 200 and produce deformation, guarantee the sealing stability between case shell 100 and the connector 200.

As shown in fig. 3, based on the structural design that the inner and outer side surfaces of the sealing ring 300 and the two side groove walls of the accommodating groove 210 have the gap G therebetween, in an embodiment of the present invention, the gap G located at the same side as the through groove 310 may communicate with the outside. Accordingly, the through groove 310 communicates with the gap G communicating with the outside and communicates with the outside through the gap G. For example, in the embodiment shown in fig. 2 and 3, the gap G on the inner surface of the seal ring 300 communicates with the opening of the through hole 110, and communicates with the inner cavity (so-called "outside") of the casing 100 via the through hole 110.

As shown in fig. 2 and 3, in an embodiment of the present invention, the housing 100 may be provided with a through hole 110, one end of the through hole 110 is connected to the inner cavity of the housing 100, and the other end of the through hole 110 is opened on the first surface 101 of the housing 100. On the basis, the opening of the through hole 110 on the first surface 101 partially coincides with the receiving groove 210, so that the through groove 310 communicates with the inner cavity through the through hole 110. Through the above structure design, the present invention can utilize the through hole 110 to make the through groove 310 of the sealing ring 300 communicate with the inner cavity (so-called "external") of the case shell 100 via the through hole 110. It should be noted that, in the present embodiment, the opening of the through hole 110 is connected to the inner portion of the receiving groove 210, and in some embodiments, when the casing 100 is opened with the through hole 110, the opening of the through hole 110 may also be connected to the outer portion of the receiving groove 210, which is not limited to the present embodiment.

As shown in fig. 1 and fig. 2, the through hole 110 is opened based on the case 100, and the through hole 110 is partially overlapped with the accommodating groove 210 at the opening of the first surface 101, in an embodiment of the present invention, the through hole 110 may be communicated with the whole inner periphery of the accommodating groove 210 at the edge of the opening of the first surface 101. Accordingly, the through groove 310 is provided on the inner surface of the seal ring 300.

Referring to fig. 7, a partial cross-sectional view of a battery case in another exemplary embodiment that can embody principles of the present invention is representatively illustrated in fig. 7.

As shown in fig. 7, in an embodiment of the present invention, the through hole 110 is not disposed in the case housing 100, and the outer side wall of the accommodating groove 210 forms the channel 220, the through groove 310 is disposed on the outer side surface of the sealing ring 300, and the through groove 310 is communicated with the outside via the channel 220.

It should be noted herein that the battery cases shown in the drawings and described in this specification are only a few examples of the many types of battery cases in which the principles of the present invention can be employed. It should be clearly understood that the principles of the present invention are by no means limited to any details or any components of the battery case shown in the drawings or described in the specification.

To sum up, the utility model provides a battery box includes case shell 100 and connector 200 via sealing washer 300 sealing connection, and connector 200 offers the holding tank 210 that is used for holding sealing washer 300. A through groove 310 is formed on the inner side surface or the outer side surface of the sealing ring 300, and the through groove 310 penetrates through the sealing ring 300 and is communicated with the outside. Through the structure design, the utility model discloses can aerify in leading to groove 310 via, utilize to fill the atmospheric pressure that gas produced to open connector 200 and case shell 100 with the relative top to realize sealing washer 300's quick dismantlement, realize case shell 100 and connector 200's quick separation.

Based on the above detailed description of several exemplary embodiments of the battery box according to the present invention, an exemplary embodiment of the battery device according to the present invention will be described below.

In an embodiment of the present invention, the battery device includes the battery box provided by the present invention and described in detail in the above embodiment.

It is noted herein that the battery devices illustrated in the drawings and described in this specification are merely a few examples of the wide variety of battery devices that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any of the details or any of the components of the battery device shown in the drawings or described in the specification.

To sum up, the utility model provides a battery device is through adopting the utility model provides a battery box can realize the quick dismantlement of sealing washer, realizes the quick separation of case shell and connector. Exemplary embodiments of a battery case and a battery device according to the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the battery housing and battery device of the present invention have been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. The utility model provides a battery box, a serial communication port, including case shell and connector, the first surface of case shell with the second surface sealing connection of connector, the second surface is provided with the holding tank, the holding tank is closed annular, be provided with the sealing washer in the holding tank, the medial surface or the lateral surface of sealing washer are provided with logical groove, lead to the groove edge the case shell with the relative arrangement direction of connector runs through the sealing washer, so that the first surface with the tank bottom part of holding tank exposes in lead to the groove, lead to groove and external intercommunication.

2. The battery case according to claim 1, wherein a width direction parallel to the first surface and perpendicular to an extending direction of the seal ring is defined, and a ratio of a depth of the through groove in a width of the seal ring in the width direction is 0.1 to 0.4.

3. The battery box body as claimed in claim 1, wherein an orthographic projection pattern of the through groove on the bottom of the accommodating groove is rectangular, triangular, trapezoidal or arcuate.

4. The battery box body as claimed in claim 1, wherein the sealing ring is made of rubber or silicon foam.

5. The battery box according to any one of claims 1 to 4, wherein the sealing ring is provided with a plurality of the through grooves, and the plurality of through grooves are arranged at intervals along an extending direction of the sealing ring.

6. The battery case according to claim 5, characterized in that:

the lengths of the through grooves are all equal along the extending direction of the sealing ring; and/or

Along the width direction of holding tank, the degree of depth in a plurality of logical grooves all equals.

7. The battery case according to any one of claims 1 to 4, wherein the width of the receiving groove is larger than the width of the sealing ring, and gaps are provided between the inner side surface and the outer side surface of the sealing ring and the groove walls of the receiving groove.

8. The battery box according to claim 7, wherein the gap on the same side as the through groove communicates with the outside, and the through groove communicates with the gap communicating with the outside and communicates with the outside via the gap.

9. The battery box body according to any one of claims 1 to 4, wherein the box shell is provided with a through hole, one end of the through hole is communicated with the inner cavity of the box shell, and the other end of the through hole is opened on the first surface; wherein the opening of the through hole on the first surface is partially overlapped with the accommodating groove, so that the through groove is communicated with the inner cavity through the through hole.

10. The battery case according to claim 9, wherein the through-hole communicates with the entire inner periphery of the accommodation groove at the edge of the opening of the first surface; wherein, the through groove is arranged on the inner side surface of the sealing ring.

11. A battery device comprising the battery case according to any one of claims 1 to 10.