CN219163607U

CN219163607U - Split type layering

Info

Publication number: CN219163607U
Application number: CN202222890611.0U
Authority: CN
Inventors: 罗超
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-06-09
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to the technical field of batteries, and discloses a split pressing strip which is characterized by comprising the following components in parts by weight: the first pressing strip, the second pressing strip and the dismounting component are arranged oppositely, the dismounting component is arranged at the joint of the first pressing strip and the second pressing strip and used for fixing the first pressing strip and the second pressing strip together, and the dismounting component comprises: a first connecting piece and a second connecting piece; after the connecting piece II is connected with the first pressing strip and the second pressing strip respectively, the first pressing strip and the second pressing strip can be detachably connected through the connecting piece I and the connecting piece II; through setting up the layering into the structure of controlling the split, the cooperation connecting piece is connected again, and whole fixed formation layering assembly, when arbitrary module breaks down, accessible dismantles connecting piece one makes layering one and layering two separate, waits to connect connecting piece one and connecting piece two again after changing qualified module, and this structural style both can reduce cost, can also improve the fault-tolerant rate in the production process simultaneously.

Description

Split type layering

Technical Field

The utility model belongs to the field of batteries, and particularly relates to a split pressing strip.

Background

The power battery system is used as a main energy storage device of the new energy automobile, is a key component of the new energy automobile, the structural strength of the battery pack determines the safety performance of the battery system, even affects the safety running of the whole automobile, and for considering the safety and the light-weight requirement, the CTP (Ce l l To Pack) grouping technology is sequentially pushed out, and the battery core and the battery shell body are directly fixed by adopting structural adhesive, so that the grouping efficiency is improved by reducing structural members. However, because the battery cell is directly adhered to the battery shell, if the in-package structure is found to be required for maintenance in the vehicle running process in the subsequent market, the fault battery cell cannot be directionally dismantled, and the vehicle can be ensured to run continuously only by replacing the battery package, so that the replaced battery package is scrapped, and the maintenance cost is greatly increased.

Currently, the existing CTP schemes have the following technical drawbacks:

1. the fault tolerance rate is low in the production process, once the structural adhesive of the battery cell is solidified after being put into the box, the battery cell cannot be processed by the back-end procedure if errors occur, so that the rejection rate of the shell and the battery cell is high in the production process;

2. when the battery pack fails in the running process of the vehicle, the failed battery cell cannot be removed and replaced in a directional mode, and in order to ensure that the vehicle continues to run normally, the scheme of replacing the battery pack is adopted for treatment, and the replaced battery pack is scrapped.

Disclosure of Invention

The utility model aims to provide a split pressing strip which aims to solve the technical problems of high rejection rate and low fault tolerance rate of a shell and an electric core of the traditional CTP scheme.

In order to solve the technical problems, the specific technical scheme of the utility model is as follows:

in some embodiments of the present application, a split molding is provided, comprising:

a first pressing bar;

the second pressing strip is arranged opposite to the first pressing strip;

the dismounting component is arranged at the joint of the first pressing strip and the second pressing strip, and the first pressing strip and the second pressing strip form a detachable connecting structure through the dismounting component.

Preferably, in a preferred embodiment of the above split molding, the detachable component includes: a first connecting piece and a second connecting piece; the second connecting piece is arranged at the butt joint end of the first pressing strip and the second pressing strip, and the first connecting piece is detachably connected to the second connecting piece to limit the actions of the first pressing strip and the second pressing strip.

Preferably, in a preferred embodiment of the above split-type molding, the second connecting member includes a plurality of protruding portions, each protruding portion having a through hole; the protruding parts are arranged at the end parts of the first pressing strip and the second pressing strip in a staggered mode respectively, and after the penetrating holes are communicated, the first connecting piece can penetrate into the penetrating holes.

Preferably, in a preferred embodiment of the above split molding, the first connecting member has a strip-like structure.

Preferably, in an embodiment of the split-type batten, the connecting piece two, the first batten and the connecting end of the second batten are respectively provided with a corresponding connecting hole, and the first connecting piece can penetrate through the corresponding connecting holes to fix the first batten and the second batten.

Preferably, in the preferred embodiment of the split-type batten, the second connecting piece is provided with two connecting pieces, the two connecting pieces are respectively arranged on the upper surface and the lower surface of the joint of the first batten and the second batten, and the first connecting piece can fix the first batten and the second batten through corresponding connecting holes.

Preferably, in a preferred embodiment of the above split molding, the second connecting member is a plate-like structure.

Compared with the prior art, the utility model has the beneficial effects that:

the pressing strips are arranged into a structure with detachable left and right and are connected by matching with the connecting piece, so that a pressing strip assembly is formed by integrally fixing the pressing strips, and the pressing strips are respectively glued and fixed with the modules at the two sides, so that the modules at the two sides form a whole, and the rigidity of the whole bag is improved;

through setting up the structure of split, when the arbitrary module of both sides breaks down, the accessible will dismantle the connecting piece for control the layering structure of concatenation realizes controlling the separation, waits to assemble again after changing qualified module, can reduce cost, has improved the fault-tolerant rate in the production process simultaneously and has reduced the disability rate.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of a split molding according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a split molding according to one embodiment of the present utility model;

FIG. 3 is a usage state reference diagram of an embodiment of the present utility model;

FIG. 4 is a schematic view showing the overall structure of a split molding according to another embodiment of the present utility model;

FIG. 5 is an exploded view of a split molding according to another embodiment of the present utility model;

fig. 6 is a view showing a usage state of the present utility model according to another embodiment.

In the figure:

1. a first pressing bar; 2. a second pressing bar; 3. a boss; 31. a through hole; 4. a first battery module; 5. a second battery module; 6. a steel bar; 7. a connection hole; 8. a steel plate; 10. and (5) a bolt.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.

Referring to fig. 1-2, according to some embodiments of the present application, a split-type molding comprises a first molding 1, a second molding 2, and a detachable component, wherein the first molding 1 is opposite to the second molding 2; the dismounting component is arranged at the joint of the first pressing strip 1 and the second pressing strip 2, so as to realize the detachable connection of the first pressing strip 1 and the second pressing strip 2.

Specifically, the dismounting component comprises: a first connecting piece and a second connecting piece; the second connecting piece is arranged at the joint of the first pressing strip 1 and the second pressing strip 2; the second connecting piece is arranged at the butt joint end of the first pressing strip and the second pressing strip, and the first connecting piece is detachably connected to the second connecting piece to limit the movement of the first pressing strip and the second pressing strip.

Referring to fig. 1-2, in another preferred embodiment of the present application, the second connector includes a plurality of protruding portions 3, and each protruding portion 3 is provided with a through hole 31 therein; the bulge parts 3 are respectively fixed at the end parts of the first pressing strip 1 and the second pressing strip 2 in a staggered manner, and when the first pressing strip 1 and the second pressing strip 2 are in butt joint, the through holes 31 are communicated to form a connecting channel, and the first connecting piece can penetrate into the through channel; the first pressing strip 1 and the second pressing strip 2 form an integral structure.

In the above embodiment, the protruding portion 3 can be integrally formed with or welded to the first bead 1 and the second bead 2.

In the above embodiment, the first connecting member is a strip structure and is made of hard metal.

In the above embodiment, the first connecting piece is preferably a steel bar 6, which is convenient for drawing and low in cost and mass production.

Referring to fig. 3, the installation scheme of the present application is as follows:

firstly, as the convex parts 3 are arranged on the inner sides of the first pressing strip 1 and the second pressing strip 2 in a staggered way, the first pressing strip 1 and the second pressing strip 2 are meshed and butted together by the staggered arrangement of the convex parts 3, after the first pressing strip 1 and the second pressing strip 2 are in butt joint, a connecting channel is formed by connecting holes 7 on a plurality of convex parts after the meshing and butt joint, and a steel strip 6 penetrates along the connecting channel, so that the first pressing strip 1 and the second pressing strip 2 can form a pressing strip assembly; then fixing the layering assembly on the battery module, wherein the outer edge ends of the layering I and the layering II which are spliced are respectively glued and fixed with the battery module I4 and the battery module II 5 on two sides, so that the assembly can be completed; when the battery module needs to be replaced, the steel bar 6 is firstly pulled out from the connecting channel, then the first pressing bar 1 and the second pressing bar 2 are separated, the battery module needing to be replaced is replaced, and the battery module is assembled again.

Through above-mentioned technical scheme, the technical effect that this application can reach lies in:

the pressing strips are arranged into a structure with detachable left and right, then are connected by matching with the connecting piece, so that the whole pressing strip assembly is formed by integrally fixing, and then the pressing strips I and II are respectively glued and fixed with the modules at the two sides, so that the modules at the two sides form a whole, and the rigidity of the whole bag is improved;

the second connecting piece is composed of a plurality of protruding parts, the protruding parts are arranged in a staggered mode to form a cavity, the first connecting piece is inserted into the cavity to enable the first pressing strip to be meshed and fixed with the second pressing strip, the first pressing strip and the second pressing strip can be detached through pulling the first connecting piece, cost is reduced, and working efficiency is improved;

the batten adopts a meshing mode and is matched with square steel bars, so that the integral fixation of the batten I and the batten II is realized to form a batten assembly; when any module on two sides fails, the middle steel bar can be pulled out, so that the pressing bar I and the pressing bar II which are mutually meshed are separated, the pressing bar I and the pressing bar II are meshed after the qualified module is replaced, and the steel bar is installed into the cavity, so that the cost can be reduced, and meanwhile, the fault tolerance in the production process is improved.

In another preferred embodiment of the present application, the second connecting piece is of a plate-shaped structure, a plurality of connecting holes 7 are formed in the second connecting piece, connecting holes 7 corresponding to the second connecting piece are formed in the connecting position of the first pressing piece 1 and the second pressing piece 2, and after the connecting holes on the second connecting piece, the first pressing piece 1 and the second pressing piece 2 correspond to each other, the first connecting pieces can penetrate through the connecting holes 7 corresponding to the first connecting piece 2 and the second connecting piece 1 respectively, and the first connecting pieces can penetrate through the connecting holes 7 corresponding to the second connecting piece 2 respectively and detachably connect the second connecting piece with the first pressing piece 1 and the second pressing piece 2 respectively.

In the above embodiment, the connecting holes 7 on the second connecting piece are arranged in a longitudinal row on two sides of the second connecting piece, and the first pressing bar 1 and the second pressing bar 2 are respectively provided with the corresponding connecting holes 7.

In the above embodiment, the second connecting member is preferably a hard metal plate.

In the above embodiment, the second connection member is preferably a steel plate 8.

In the above embodiment, the first connection member is preferably a bolt 10.

In the above embodiment, the first connecting member is preferably a pin.

Referring to fig. 4-5, in the above embodiment, the hard metal plate 8 is provided with two hard metal plates, which are respectively disposed on the upper surface and the lower surface of the joint between the first pressing strip 1 and the second pressing strip 2, and after the two connecting pieces two, the connecting holes on the first pressing strip 1 and the second pressing strip 2 correspond, the first connecting pieces can respectively penetrate through the connecting holes 7 corresponding to the first connecting pieces two and the first pressing strip 1, and the first connecting pieces can respectively penetrate through the connecting holes 7 corresponding to the second connecting pieces two and the second pressing strip 2, and the first pressing strip 1 and the second pressing strip 2 are clamped and fixed by the two connecting plates two, so that stability is enhanced.

Referring to fig. 6, the installation scheme of the present application is as follows:

firstly, butting a first pressing strip 1 and a second pressing strip 2, respectively installing steel plates 8 at the upper end and the lower end of a joint, and sequentially penetrating the steel plates 8, the first pressing strip 1, the second pressing strip 2 and the steel plates 8 by using bolts on a plurality of bolts 10 as the joint of the first pressing strip 1 and the second pressing strip 2 and the two steel plates 8 are correspondingly provided with connecting holes 7, and then tightening and fixing by using nuts to form a pressing strip assembly; then fixing the layering assembly on the battery module; the first pressing strip 1 and the second pressing strip 2 are respectively glued and fixed with the first battery module 4 and the second battery module 5 on two sides, so that assembly can be completed; when the battery module needs to be replaced, the bolt 10 is firstly removed from the pressing bar structure, then the pressing bar 1 and the pressing bar 2 are separated, the battery module needing to be replaced is replaced, and the battery module is assembled again.

through setting up two steel bars and utilizing the bolt to fix steel bar and layering, this structure has not only improved the stability of installing between the layering, and when the trouble appears in arbitrary module in both sides, accessible is unscrewed fixing bolt moreover for layering one and layering two realize controlling the separation, after changing qualified module again install steel bar and steel bar two back can, the cost of changing the looks has reduced, has improved the fault-tolerant rate in the production process;

the first connecting pieces are arranged in two to form a sandwich structure, so that the stability of the assembled pressing strips is further improved, the pressing strips are prevented from deviating, and unnecessary damage is caused to the battery module.

In another preferred embodiment of the present application, the second connecting piece is of a plate-shaped structure, two connecting pieces are arranged and are respectively arranged on the upper surface and the lower surface of the joint of the first pressing strip 1 and the second pressing strip 2, and the first connecting piece can be respectively arranged on the joint surfaces of the second connecting piece, the first pressing strip 1 and the second pressing strip 2, so that the second connecting piece is detachably connected with the first pressing strip 1 and the second pressing strip 2.

In the above embodiment, the second connecting member is preferably a lightweight plastic plate.

In the above embodiment, the first connecting member is preferably an adhesive tape.

In the above embodiment, the adhesive tape is applied to the edge of the lightweight plastic sheet, and the lightweight plastic sheet can be removed by denaturing the adhesive tape by heating.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A split molding, comprising:

a first pressing bar;

the second pressing strip is arranged opposite to the first pressing strip;

2. The split molding of claim 1, wherein said removable component comprises: a first connecting piece and a second connecting piece; the second connecting piece is arranged at the butt joint end of the first pressing strip and the second pressing strip, and the first connecting piece is detachably connected to the second connecting piece to limit the actions of the first pressing strip and the second pressing strip.

3. The split-type batten according to claim 2, wherein the connecting piece comprises a plurality of protruding parts, and each protruding part is provided with a through hole; the protruding parts are arranged at the end parts of the first pressing strip and the second pressing strip in a staggered mode respectively, and after the penetrating holes are communicated, the first connecting piece can penetrate into the penetrating holes.

4. A split molding according to claim 3, wherein said first connector is in the form of a strip.

5. The split type batten according to claim 2, wherein the connecting ends of the second connecting piece, the first batten and the second batten are respectively provided with corresponding connecting holes, and the first connecting piece can penetrate through the corresponding connecting holes to fix the first batten and the second batten.

6. The split type batten according to claim 5, wherein two connecting pieces are arranged on the upper surface and the lower surface of the joint of the batten I and the batten II respectively, and the connecting pieces I can fix the batten I and the batten II through corresponding connecting holes.

7. A split bead according to claim 5 or 6, wherein the second connector is of plate-like construction.