CN212517325U

CN212517325U - Connection structure and battery system

Info

Publication number: CN212517325U
Application number: CN202120099727.5U
Authority: CN
Inventors: 曹楷; 杨晓枫; 侯敏; 曹辉
Original assignee: Shanghai Ruipuqing Innovation Energy Co ltd; Ruipu Energy Co Ltd
Current assignee: Shanghai Ruipu Energy Co Ltd; Rept Battero Energy Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-02-09
Anticipated expiration: 2031-01-14

Abstract

This application belongs to battery technical field, provides connection structure and battery system, and connection structure includes: the device comprises a first component, a second component and a third component, wherein two sides of the first component are respectively connected with the second component and the third component in a sealing mode, and at least part of the first component is of a flexible structure. The partial structure of the first component is a flexible structure, and the first component is used for connecting the shell and the connector, so that the tolerance requirements on the shell and the connector can be met.

Description

Connection structure and battery system

Technical Field

The present application relates to the field of battery technology, and more particularly, to a connection structure and a battery system.

Background

In a battery system, when a shell is connected with a connector, the sealing requirement is high, and particularly, the requirements on mounting hole positions and sealing surfaces are high. However, the dimensional chain between the housing and the connector is long and the tolerance requirements of the associated parts in the dimensional chain may not meet the sealing requirements.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a connection structure and a battery system, so as to solve the technical problem that the tolerance requirements of a shell and a connector in the prior art cannot meet the sealing requirement.

In order to achieve the purpose, the technical scheme adopted by the application on one hand is as follows: providing a connection structure for a battery system, the connection structure comprising: the device comprises a first component, a second component and a third component, wherein two sides of the first component are respectively connected with the second component and the third component in a sealing mode, and at least part of the first component is of a flexible structure.

Optionally, the first component comprises: at least one first ring body, wherein the first ring body is a flexible structure; and the at least two second ring bodies are connected with the at least one first ring body, the two second ring bodies are respectively positioned at two sides of the first part, and the two second ring bodies are respectively connected with the second part and the third part in a sealing manner.

Optionally, the second ring body and the first ring body are alternately connected.

Optionally, the second ring body is a flexible structure.

Optionally, at least two of the second ring members and at least one of the first ring members are of an integral structure.

Optionally, the second ring body is connected to the second part by a first seal. The second ring body is connected with the third part through a first sealing element.

Optionally, the second ring body and the first sealing element are of an integral structure.

Optionally, a first sealing element is arranged on the outer side of the third component, and the first component and the third component are connected in a sealing manner through the first sealing element.

Optionally, the third component and the first seal are of unitary construction.

A second aspect of the present application provides a battery system including the connection structure of any one of the above.

Compared with the prior art, the partial structure of the first component provided by the embodiment of the application is a flexible structure, and the first component is used for connecting the shell and the connector, so that the tolerance requirements on the shell and the connector can be reduced.

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 based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a connection structure according to an embodiment of the present application;

fig. 2 is a sectional view taken along the line a of fig. 1.

Wherein, in the figures, the respective reference numerals:

1-a first component; 11-a second ring body; 111-a first seal; 12-a first ring body; 2-a second component; 3-third part.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in 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, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered 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.

Referring to fig. 1-2, fig. 1 shows a schematic structural diagram of a connection structure, the connection structure according to an embodiment of the present application is used for a battery system, and includes a first component 1, a second component 2, and a third component 3, two sides of the first component 1 are respectively connected to the second component 2 and the third component 3 in a sealing manner, and at least a portion of the first component 1 is a flexible structure. It will be appreciated that the second component 2 may be a housing, the third component 3 may be a connector and the first component 1 connects the housing and the connector. The sealing connection may be performed by providing a sealing member such as a sealing tape or a gasket, or by applying an adhesive to perform bonding, or may be performed by providing the first member 1, the second member 2, or the third member 3 as a device including a sealing structure.

In the assembly process, the manufacturing tolerance of the first component 1 is only required to be guaranteed, the tolerance requirements of the second component 2 and the third component 3 are not high, and the production cost can be reduced to a great extent. And because at least partial region of first part 1 is flexible structure, be convenient for to the position adjustment of first part 1, it is not high to the mounted position requirement of second part 2 and third part 3, has reduced the installation degree of difficulty and the cost to second part 2 and third part 3.

In the embodiment, the first component 1 is partially configured to be flexible, and the first component 1 connects the housing and the connector, so that the tolerance requirement on the housing and the connector can be reduced.

In some possible embodiments, the first component 1 may include at least one first ring 12 and at least two second rings 11, at least two second rings 11 are connected to at least one first ring 12, the connection manner may be that the first rings 12 and the second rings 11 are alternately connected, or that a plurality of second rings 11 are connected to the first rings 12 after being connected to each other, and when at least two first rings 12 are provided, the plurality of first rings 12 may also be connected to the second rings 11 after being connected to each other, in any connection manner, it is only necessary to satisfy that one second ring 11 corresponds to each of two sides of the first component 1, and two second rings 11 are respectively connected to the second component 2 and the third component 3 in a sealing manner.

As an example, the first ring 12 may be provided as a flexible structure, the middle section of the first component 1 is a flexible structure, and the first ring 12 may be bent and folded to facilitate moving the second ring 11 to the sealing position and sealing the second ring 11 with the second component 2 and the second ring 11 with the third component 3.

As another example, the second ring body 11 may be provided as a flexible structure. The second ring body 11 can be connected with the second component 2 or the third component 3 through gluing, and the sealing effect is better through the flexible material sealed by gluing, so that the sealing performance of the second ring body 11 and the second component 2, and the sealing performance of the second ring body 11 and the third component 3 can be improved.

As yet another example, the first ring 12 and the second ring 11 can each be provided as a flexible structure.

It is understood that the flexible structure may be made of rubber materials such as natural rubber, silicone rubber, fluororubber, Ethylene Propylene Diene Monomer (EPDM), Ethylene Propylene rubber (EPM), butyl rubber, etc.; or a foamed material such as foamed silica gel or foamed PU. In this embodiment, the material of the flexible structure is not particularly limited.

It can be understood that at least two of the second ring bodies 11 and at least one of the first ring bodies 12 may be provided as an integral structure, and specifically, the second ring body 11 and the first ring body 12 may be integrally formed by using technologies such as in-mold vulcanization, injection molding, dip molding or foaming. The integrated structure is simple, and the sealing installation is convenient.

As an example of the first component 1, the first component 1 may include a second ring body 11, a first ring body 12 and a second ring body 11 which are connected in sequence, wherein the first ring body 12 is a flexible structure, and the second ring body 11 and the first ring body 12 are connected into a continuous whole; in this example, the second ring 11 may be a rigid structure that is sealed to the second or

third part

2, 3, which is more structurally sound. As another example of the first component 1, the first component 1 may include a second ring body 11, a first ring body 12, and a second ring body 11 connected in sequence, the first ring body 12 being a flexible structure, the second ring body 11 being a rigid structure, the second ring body 11 and the first ring body 12 being connected as a continuous whole; in this example, the first ring 12 and the second ring 11 of the first component 1 are alternately arranged, so that the phenomenon of curling and winding of the overlong first ring 12 can be avoided. As a further example of the first part 1, the first part 1 may include a second ring 11, a first ring 12, and a second ring 11 connected in sequence, and both the first ring 12 and the second ring 11 may be provided as a flexible structure. The flexible integrated structure can facilitate the position adjustment during connection and improve the sealing property.

In some possible embodiments, the second ring 11 and the second part 2 can be connected by a first seal 111, and the second ring 11 and the third part 3 can be connected by a first seal 111. For example, the first seal 111 is provided as a seal or gasket.

As an example, the first seal 111 and the second ring 11 may be provided as a unitary structure.

As another example, the first seal 111 and the second component 2 may be provided as a unitary structure. The first seal 111 and the third component 3 may be provided as a unitary structure.

As a specific example of the third member 3, a first seal 111 may be provided on an outer side of the third member 3, and the first member 1 and the third member 3 are sealingly connected by the first seal 111. It will be appreciated that the third component 3 and the first seal 111 may be provided as a unitary structure. For example, the first seal 111 may be provided as a seal or gasket.

In the above embodiments, the first member 1 and the third member 3 may be fastened by fastening the first member 1 and the second member 2 with the fastening member.

Another aspect of the present embodiment provides a battery system including the connection structure in any one of the above embodiments.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A connection structure for a battery system, comprising: the device comprises a first component, a second component and a third component, wherein two sides of the first component are respectively connected with the second component and the third component in a sealing mode, and at least part of the first component is of a flexible structure; the first member includes: at least one first ring body, wherein the first ring body is a flexible structure; and the at least two second ring bodies are connected with the at least one first ring body, the two second ring bodies are respectively positioned at two sides of the first part, and the two second ring bodies are respectively connected with the second part and the third part in a sealing manner.

2. The connecting structure according to claim 1, wherein the first ring bodies and the second ring bodies are alternately connected.

3. The connection according to claim 1, wherein the second ring is a flexible structure.

4. The connection structure of claim 1, wherein the second ring and the first ring are a unitary structure.

5. The connection structure according to claim 1, wherein the second ring body is connected to the second member by a first seal, and the second ring body is connected to the third member by a first seal.

6. The connection structure of claim 5, wherein the second ring and the first seal are a unitary structure.

7. The connecting structure according to claim 1, wherein a first seal is provided on an outer side of the third member, and the first member and the third member are sealingly connected by the first seal.

8. The connection according to claim 7, wherein the third member and the first seal are a unitary structure.

9. A battery system comprising the connection structure according to any one of claims 1 to 8.