CN212209587U

CN212209587U - Motorcycle equipment and lithium ion battery connecting assembly thereof

Info

Publication number: CN212209587U
Application number: CN202020937321.5U
Authority: CN
Inventors: 张军; 黄钢; 何志刚; 鲍文光; 汪仁志; 毛丹利
Original assignee: Shandong Edbang Intelligent Technology Co ltd
Current assignee: Shandong Edbang Intelligent Technology Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-22
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a motorcycle equipment and lithium ion battery coupling assembling thereof, this lithium ion battery coupling assembling, including the casing that is used for installing the battery package and with the upper cover that the casing lid closes the connection, the casing is equipped with the inlay card recess, the upper cover be equipped with for with inlay card recess inlay card cooperation is in order to realize the casing with the inlay card portion that the upper cover links to each other. Above-mentioned lithium ion battery coupling assembling simple structure, convenient assembling can solve the problem that leads to the installation procedure loaded down with trivial details and manufacturing cost to increase owing to set up the screw, simultaneously, can guarantee that the wall thickness of casing is even through inlay card portion and inlay card recess inlay card cooperation to can reduce and lead to bringing the potential safety hazard owing to the casing shrink, with stability and the security that improves casing and upper cover and connect.

Description

Motorcycle equipment and lithium ion battery connecting assembly thereof

Technical Field

The utility model relates to a lithium cell production technical field, in particular to lithium ion battery coupling assembling. The utility model discloses still relate to a motorcycle equipment that has this lithium ion battery coupling assembling.

Background

With the wide application of lithium batteries in electric motorcycles, the demand for battery modules is increasing. At present, while ensuring the waterproof safety performance of the battery pack, the appearance and the processability are also receiving more and more extensive attention, for example, in order to achieve the IP57 waterproof grade, when the upper cover and the shell are combined, some of the upper cover and the shell are fixed by screws and filled with sealing strips so as to tightly combine the upper cover and the shell; however, the screw fixing method increases the mounting process of the screws, and the four screws correspondingly arranged on one upper cover also increases the production cost; meanwhile, the screw fixing mode causes the assembly process of the upper cover and the shell to be single, and the switching of various assembly processes in production is inconvenient.

Therefore, how to avoid the increase of the production cost caused by the fact that the upper cover and the shell of the lithium battery module are fixed through screws is a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lithium ion battery coupling assembling, this coupling assembling can improve the upper cover of lithium cell module and the assembly performance of casing to can reduction in production cost. Another object of the utility model is to provide a motorcycle equipment including above-mentioned lithium ion battery coupling assembling.

In order to achieve the above object, the utility model provides a lithium ion battery coupling assembling, including the casing that is used for installing the battery package and with the upper cover that the casing lid closes the connection, the casing is equipped with the inlay card recess, the upper cover be equipped with be used for with inlay card recess inlay card cooperation is in order to realize the casing with the inlay card portion that the upper cover links to each other.

Optionally, the snap-fit portion comprises:

the annular bulge is used for extending into the clamping and embedding groove;

the plurality of bosses are arranged on the inner sides of the annular bulges and are used for abutting against the inner wall, close to the battery pack, of the clamping and embedding groove so that the annular bulges can be abutted against the inner wall, far away from the battery pack, of the clamping and embedding groove.

Optionally, the clamping and embedding part is an integrally injection-molded clamping and embedding part.

Optionally, the boss is specifically a trapezoidal or prismatic boss.

Optionally, a preset space for accommodating the structural adhesive is arranged at the bottom of the clamping and embedding groove.

Optionally, a guide groove is formed in the top of the housing, and the guide groove is used for allowing the structural adhesive to flow along the inner side direction of the housing when the clamping portion is clamped into the clamping groove.

The utility model also provides a motorcycle equipment, including above-mentioned arbitrary lithium ion battery coupling assembling.

Compared with the prior art, the utility model discloses different requirements to the assembly of lithium cell module have designed a lithium ion battery coupling assembling, specifically speaking, above-mentioned lithium ion battery coupling assembling includes casing and upper cover, wherein, the casing is used for holding and installs the battery package, and the upper cover closes with the casing lid to be connected, and further, above-mentioned casing is equipped with the inlay card recess, and the upper cover is equipped with inlay card portion, and this inlay card portion is used for cooperating with inlay card recess inlay card; that is, the housing and the upper cover are connected by the snap-fit portion snap-fit with the snap-fit groove. Therefore, for the tradition mode of passing through the screw fixation, above-mentioned lithium ion battery coupling assembling simple structure, convenient assembling can solve owing to set up the screw and lead to the loaded down with trivial details and the problem that manufacturing cost increases of installation procedure, simultaneously, can guarantee that the wall thickness of casing is even through inlay card portion and inlay card recess inlay card cooperation to can reduce and lead to bringing the potential safety hazard owing to the casing shrink, with stability and the security that improves casing and upper cover and connect.

Drawings

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

Fig. 1 is a schematic structural diagram of a lithium ion battery connection assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of an assembled structure of the upper cover and the housing of FIG. 1;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the top of the housing of FIG. 1;

fig. 5 is a schematic structural view of the upper cover in fig. 1.

Wherein:

1-shell, 11-clamping groove, 111-preset space, 2-upper cover, 21-clamping part, 211-annular bulge and 212-boss.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a lithium ion battery coupling assembling, this coupling assembling can improve the upper cover of lithium cell module and the assembly performance of casing to can reduction in production cost. The other core of the utility model is to provide a motorcycle equipment including above-mentioned lithium ion battery coupling assembling.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a lithium ion battery connection assembly according to an embodiment of the present invention; FIG. 2 is a schematic view of an assembled structure of the upper cover and the housing of FIG. 1; FIG. 3 is a partial enlarged view of portion A of FIG. 2; FIG. 4 is a schematic view of the top of the housing of FIG. 1; fig. 5 is a schematic structural view of the upper cover in fig. 1.

The embodiment of the utility model provides a lithium ion battery connecting assembly, including casing 1 and upper cover 2, wherein, casing 1 is used for holding and installing the battery package, and upper cover 2 closes with casing 1 lid to be connected, and further, above-mentioned casing 1 is equipped with inlay card recess 11, and upper cover 2 is equipped with inlay card portion 21, and this inlay card portion 21 is used for cooperating with inlay card recess 11 inlay card; that is, the housing 1 and the upper cover 2 are coupled by the snap-fit portion 21 snap-fit with the snap-fit groove 11.

Therefore, for the tradition mode of passing through the screw fixation, above-mentioned lithium ion battery coupling assembling simple structure, convenient assembling can solve owing to set up the screw and lead to the problem that the installation procedure is various and manufacturing cost increases, simultaneously, can guarantee that the wall thickness of casing 1 is even through inlay card portion 21 and the cooperation of inlay card recess 11 inlay card to can reduce and lead to bringing the potential safety hazard owing to casing 1 shrink, with stability and the security that improvement casing 1 and upper cover 2 are connected.

Further, the snap-fit portion 21 may specifically include an annular protrusion 211 and a plurality of bosses 212, where the annular protrusion 211 is configured to extend into the snap-fit groove 11; the plurality of bosses 212 are arranged on the inner side of the annular protrusion 211, and the bosses 212 are used for abutting against the inner wall, close to the battery pack, of the clamping and embedding groove 11 so as to enable the annular protrusion 211 and the inner wall, far away from the battery pack, of the clamping and embedding groove 11 to be attached.

Specifically, the engaging portion 21 is embodied as an integrally injection-molded engaging portion 21. Can make inlay card portion 21 have elasticity through integrative injection moulding's technology, and the width of inlay card portion 21 should set up to be a bit more than the width of inlay card recess 11, so, when inlay card portion 21 impresses in inlay card recess 11, under the effect of elasticity, inlay card portion 21's boss 212 can take place the elastic deformation in certain extent, in order to supply inlay card portion 21 to get into inlay card recess 11, and simultaneously, under the elastic force effect, inlay card recess 11 is close to the inner wall of battery package to boss 212 can be hugged closely, correspondingly, the outer wall of annular protrusion 211 can be with inlay card recess 11 keep away from the inner wall of battery package and fully contact in order to realize the inseparable laminating of the two.

Of course, the above-mentioned boss 212 includes, but is not limited to, a trapezoidal body, a prism, etc. all of which are shapes and structures that are advantageous for achieving the tight connection between the snap-fit portion 21 and the snap-fit groove 11 according to actual needs.

In addition, in order to ensure the stability of the clamping, the bosses 212 are preferably arranged to be evenly distributed along the circumferential direction of the annular protrusion 211, that is, the distance between any two adjacent bosses 212 may be arranged to be equal. Of course, the boss 212 may have other configurations, and is not limited in this context.

In order to optimize the above embodiment, the bottom of the engaging groove 11 is further provided with a predetermined space 111 for accommodating structural adhesive, and the structural adhesive is arranged to further enhance the firmness of the connection between the upper cover 2 and the housing 1 on the basis that the upper cover 2 and the housing 1 are connected through the engaging portion 21 and the engaging groove 11.

More specifically, in order to prevent the structural adhesive from overflowing to the outside of the housing 1 to affect the stability of the operation of the structure located outside the housing 1 when the upper cover 2 and the housing 1 are assembled, a guide groove may be provided at the top of the housing 1, and the guide groove is used for the structural adhesive to flow along the inner direction of the housing 1 when the snap-fit portion 21 is snapped into the snap-fit groove 11.

Of course, the quantity of guide way can be adjusted according to the application needs, and the guide way is located on the lateral wall that inlay card recess 11 is close to the battery package, and the degree of depth of guide way is moderate, and the interval of two arbitrary adjacent guide ways can set up to equal simultaneously to guarantee the mobile homogeneity of structural adhesive. The guide groove includes but is not limited to a rectangular shape, a circular shape, and other cross-sectional shapes that facilitate the flow of the structural adhesive.

On the basis, except for adopting the mode of punching the structural adhesive in the embedded groove 11 in advance, the upper cover 2 and the shell 1 can be reinforced by ultrasonic welding, laser welding and other modes, the ultrasonic welding and the laser welding can refer to the content of the prior art, and the ultrasonic welding and the laser welding are not unfolded one by one.

Thus, the connection of the upper cover 2 and the housing 1 by the clamping and embedding structure of the clamping and embedding part 21 and the clamping and embedding groove 11 can further use three combined process schemes, namely gluing, bonding, ultrasonic welding and laser welding, so that the process can be switched according to the production requirement in real time.

When the lithium ion battery connecting assembly is assembled, the shell 1 is placed well, then structural adhesive is injected into a preset space 111 in the clamping and embedding groove 11, and then the upper cover 2 is closed and pressed tightly; if laser welding or ultrasonic welding is used, ultrasonic/laser welding is performed after the upper cover 2 and the housing 1 are assembled.

The utility model provides a motorcycle device, which comprises a lithium ion battery connecting component described in the above embodiment; other parts of the motorcycle device can be referred to the prior art and are not expanded herein.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a motorcycle equipment and lithium ion battery coupling assembling introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the solution and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a lithium ion battery coupling assembling, its characterized in that, including casing (1) that is used for installing the battery package and with casing (1) lid closes upper cover (2) of connecting, casing (1) is equipped with inlay card recess (11), upper cover (2) be equipped with be used for with inlay card recess (11) inlay card cooperation is in order to realize casing (1) with inlay card portion (21) that upper cover (2) link to each other.

2. The lithium ion battery connection assembly according to claim 1, wherein the snap-fit portion (21) comprises:

an annular protrusion (211) for extending into the engaging groove (11);

the plurality of bosses (212) are arranged on the inner side of the annular protrusion (211) and are used for abutting against the inner wall, close to the battery pack, of the clamping and embedding groove (11) so that the annular protrusion (211) can be abutted against the inner wall, far away from the battery pack, of the clamping and embedding groove (11).

3. The lithium ion battery connection assembly according to claim 2, wherein the snap-in portion (21) is an integrally injection molded snap-in portion.

4. The lithium ion battery connection assembly according to claim 3, wherein the bosses (212) are in particular trapezoidal or prismatic bosses.

5. The lithium ion battery connection assembly according to any one of claims 1 to 4, wherein a predetermined space (111) for accommodating structural adhesive is provided at the bottom of the snap-fit groove (11).

6. The lithium ion battery connection assembly according to claim 5, wherein the top of the housing (1) is provided with a guide groove for allowing the structural adhesive to flow in the inner direction of the housing (1) when the snap-fit portion (21) is snapped into the snap-fit groove (11).

7. A motorcycle comprising a lithium-ion battery connection assembly according to any one of claims 1 to 6.