CN210897359U

CN210897359U - Battery pack lower case and battery pack for vehicle

Info

Publication number: CN210897359U
Application number: CN201922485968.9U
Authority: CN
Inventors: 赵立志; 王海东; 于福成; 王博文; 杨聪; 钱佳博; 陈许超
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-06-30
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a casing and battery package that is used for the vehicle under battery package, the casing includes under the battery package: the shell comprises a shell body, wherein two electrical interfaces are arranged on the shell body and are respectively positioned on the front side wall and the rear side wall of the shell body; and the two plug connector components are respectively connected on the corresponding electrical interfaces. According to the utility model discloses a casing under battery package is through being equipped with two electrical interface on casing body for this battery package both can be connected with a drive framework (preceding drive framework), also can link to each other with two frameworks (preceding drive framework and back drive framework promptly) simultaneously, has improved the commonality of casing under this battery package, and application range is more extensive.

Description

Battery pack lower case and battery pack for vehicle

Technical Field

The utility model relates to a battery package technical field particularly, relates to a battery package of casing and being used for vehicle under battery package.

Background

In the field of electric vehicle technology, a battery pack may be connected to a drive train of a vehicle. In the related art, only one electrical interface is arranged on the lower shell of the battery pack, when the battery pack is applied to a vehicle, one battery pack can be connected with one driving framework (such as a front driving framework) of the vehicle only through one electrical interface, and one battery pack cannot be connected with the front driving framework and the rear driving framework simultaneously, so that the lower shell of the battery pack is low in universality and limited in application occasions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a casing under battery package, this casing under battery package's commonality is stronger, and application scope is wide.

The utility model discloses still provide a battery package that is used for the vehicle of casing under the above-mentioned battery package.

According to the utility model discloses casing under battery package of first aspect, include: the shell comprises a shell body, wherein two electrical interfaces are arranged on the shell body and are respectively positioned on the front side wall and the rear side wall of the shell body; and the two plug connector components are respectively connected on the corresponding electrical interfaces.

According to the utility model discloses a casing under battery package is through being equipped with two electrical interface on casing body for this battery package both can be connected with a drive framework (preceding drive framework), also can link to each other with two frameworks (preceding drive framework and back drive framework promptly) simultaneously, has improved the commonality of casing under this battery package, and application range is more extensive.

According to the utility model discloses an embodiment, the plug connector subassembly includes: the shell comprises a shell body, a plugboard body, a first annular groove and a positioning column, wherein the side of the plugboard body, which faces the shell body, is provided with the first annular groove; a seal fitted within the first annular groove.

According to an optional example of the present invention, the sealing member and the first annular groove follow the outer contour of the plugboard body, respectively.

According to the utility model discloses another optional example be equipped with the screens groove on the plugboard body, the screens groove with first annular groove intercommunication be equipped with joint portion on the sealing member, be located at the sealing member when in first annular groove joint portion can cooperate in the screens inslot.

Furthermore, a positioning groove which is opened towards the direction of the shell body is arranged on the plugboard body, and the positioning column is positioned in the positioning groove and extends along the opening direction.

Further, the screens groove is connected the constant head tank with between the first annular groove, through the screens groove intercommunication the constant head tank with first annular groove.

According to a further alternative example of the present invention, the sealing element comprises two sealing collars arranged at a distance from each other in the radial direction and an annular connecting portion connected between the two sealing collars, the two sealing collars and the annular connecting portion together defining a second annular groove.

Further, a plurality of clamping protrusions are arranged on one sides, far away from the second annular groove, of the two sealing convex rings and are arranged at intervals along the circumferential direction of the corresponding sealing convex rings.

According to yet another optional example of the present invention, a plurality of layers of mounting holes are provided on the plugboard body in a direction from the middle portion to the outer edge, each layer of the mounting holes including a plurality of layers arranged at equal intervals with the distance between the middle portions.

According to the utility model discloses a battery package for vehicle of second aspect includes: the battery pack lower case according to the above embodiments.

According to the utility model discloses a battery package for vehicle is through being equipped with two electrical interface on casing body for this battery package both can be connected with a drive framework (front drive framework), also can link to each other with two frameworks (be front drive framework and back drive framework) simultaneously, has improved the commonality of casing under this battery package, and application range is more extensive.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a housing body according to an embodiment of the present invention;

fig. 2 is a partial schematic view of a lower case of a battery pack according to an embodiment of the present invention;

FIG. 3 is a schematic view of a connector assembly according to an embodiment of the present invention;

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

fig. 5 is a schematic view of a plug board body according to an embodiment of the present invention;

fig. 6 is a schematic view of a sealing member according to an embodiment of the present invention;

fig. 7 is a partial schematic view of a sealing member according to an embodiment of the present invention.

Description of reference numerals:

the lower case 100 is provided with a plurality of,

the housing body 10, the electrical interface 11,

the plug connector component 60, the plug board body 61, the first annular groove 611, the positioning column 612, the positioning groove 613, the clamping groove 614, the mounting hole 615, the sealing element 62, the sealing convex ring 621, the clamping convex 623, the clamping part 624 and the second annular groove 625.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The battery pack lower case 100 according to the embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 7, and is specifically described by taking an example of application of the battery pack in the field of vehicle technology.

As shown in fig. 1 and 2, a battery pack case 100 according to the present invention includes a case body 10 and two plug assemblies 60. As shown in fig. 1, the housing body 10 is provided with two electrical interfaces 11, the two electrical interfaces 11 are respectively located on the front and rear side walls of the housing body 10, and the two plug assemblies 60 are respectively connected to the corresponding electrical interfaces 11.

It is understood that only one electrical interface 11 is provided on the battery pack case in the related art, and can be connected to only one driving structure (i.e., a front driving structure) of the vehicle. In the embodiment of the present invention, two electrical interfaces 11 are disposed on the battery pack lower case 100, and in a vehicle having only a front driving framework, one of the electrical interfaces 11 can be plugged, and the other electrical interface 11 can be connected to the front driving framework of the vehicle. In a vehicle having both a front drive architecture and a rear drive architecture (i.e., a four-drive), one of the two electrical interfaces 11 may be connected to the front drive architecture and the other electrical interface 11 may be connected to the rear drive architecture of the vehicle.

Therefore, compared with the battery pack shell in the related art, the universality of the battery pack is improved, and the battery pack can be widely applied to the front-drive vehicle and the four-drive vehicle as standard parts.

Further, be connected with a plug connector subassembly 60 respectively on two electric interfaces 11, electric interface 11 is connected with corresponding drive framework through plug connector subassembly 60, and when the battery package only links to each other with a drive framework, another plug connector subassembly 60 of battery package can carry out the shutoff when the casting forms, realizes sealedly, when promoting the universalization, has practiced thrift manufacturing cost.

According to the utility model discloses a casing 100 under battery package through be equipped with two electrical interface 11 on casing body 10 for this battery package both can be connected with a drive framework (preceding drive framework), also can link to each other with two frameworks (be preceding drive framework and back drive framework) simultaneously, has improved casing 100's commonality under this battery package, and application range is more extensive.

As shown in fig. 3, according to one embodiment of the present invention, the connector assembly 60 includes a connector board body 61 and a sealing member 62. A first annular groove 611 is provided on the side of the plug board body 61 facing the housing body 10, and a sealing member 62 is fitted in the first annular groove 611, so that sealing can be achieved when the plug connector assembly 60 is fitted to the housing body 10.

Furthermore, a positioning column 612 is arranged on the plug board body 61, the positioning column 612 is perpendicular to the plug board body 61 and extends towards the direction of the housing body 10, when the plug connector assembly 60 and the housing body 10 are installed in a matched mode, pre-positioning of the plug connector assembly 60 and the housing body 10 can be achieved through the positioning column 612, and subsequent installation operation is facilitated.

As shown in fig. 3, according to an alternative example of the present invention, the sealing member 62 and the first annular groove 611 are respectively formed along with the outer contour of the plugboard body 61, so that the sealing performance is better in the peripheral direction of the plugboard body 61, and the sealing performance between the housing body 10 and the plugboard body 61 can be further improved.

As shown in fig. 3 and 4, according to another alternative example of the present invention, a locking groove 614 is provided on the insertion plate body 61, the locking groove 614 communicates with the first annular groove 611, a locking portion 624 is provided on the sealing member 62, and the locking portion 624 can be fitted in the locking groove 614 when the sealing member 62 is located in the first annular groove 611.

It is understood that it is extremely inconvenient to perform disassembly after the seal member 62 is fitted in the first annular groove 611, and particularly, when the depth of the first annular groove 611 is large, it is not easy to remove the seal member 62 from the first annular groove 611. Through being equipped with joint portion 624 on sealing member 62 to be equipped with the screens groove 614 with first annular groove 611 intercommunication on plugboard body 61, when needing to take out sealing member 62 from first annular groove 611, can be through stirring joint portion 624 outwards, pull joint portion 624 and then pull out sealing member 62 outside first annular groove 611, it is more convenient when dismantling.

As shown in fig. 3, a positioning groove 613 which is open toward the housing body 10 is formed in the insertion board body 61, and a positioning column 612 is located in the positioning groove 613 and extends along the opening direction, so that the pre-positioning function of the plug connector assembly 60 and the housing body 10 during the matching process is further ensured, and the lightweight design can be realized.

As shown in fig. 3 and 4, a detent groove 614 is further connected between the detent 613 and the first annular groove 611, and the detent 613 and the first annular groove 611 are communicated through the detent groove 614, thereby facilitating the mounting and dismounting of the seal member 62.

According to yet another alternative example of the present invention, the sealing member 62 includes two sealing beads 621 and an annular connecting portion. Wherein two sealed bulge loops 621 are radially spaced apart and are arranged, and annular connecting portion connect between two sealed bulge loops 621, and two sealed bulge loops 621 and annular connecting portion inject second annular groove 625 jointly, have realized bilayer structure's sealed, have realized the lightweight design simultaneously, have improved the sealed reliability of battery package.

Further, a plurality of clamping protrusions 623 are arranged on one side of each of the two sealing convex rings 621 far away from the second annular groove 625, and the plurality of clamping protrusions 623 are arranged at intervals along the circumferential direction of the corresponding sealing convex ring 621, so that the matching reliability of the sealing element 62 in the first annular groove 611 is improved.

According to yet another alternative example of the present invention, a plurality of layers of mounting holes 615 are provided on the insertion plate body 61 in a direction from the middle portion to the outer edge, and each layer of mounting holes 615 includes a plurality of mounting holes arranged at equal intervals from the middle portion. For example, the double-layer bolt mounting holes 615 are formed in the plugboard body 61 and can be used for assembling a high-voltage plug-in unit, a low-voltage plug-in unit, a wire harness support (not shown) and the like, so that hole positions during operation are avoided, the integration degree of each component is improved, meanwhile, the lightweight design of the structure is realized, the production cost is saved, the occupied space is reduced, and the structural strength and the reliability are improved.

Further, a wire harness bracket may be provided on the socket plate body 61 and/or the housing body 10, the wire harness bracket being formed in a zigzag shape.

As shown in fig. 3, the plug connector assembly 60 is formed in a structure in which the peripheral edge is arc-shaped, that is, the plug connector body 61 and the sealing member 62 are both formed in an arc-shaped structure, and the arc-shaped structure avoids the overlapping area when being stressed, so that the sealing performance of the battery pack can be further improved.

According to the utility model discloses a battery package for vehicle of second aspect embodiment includes: according to the battery pack lower case 100 in the above-described embodiment.

According to the utility model discloses a battery package for vehicle, through be equipped with two electrical interface 11 on casing body 10 for this battery package both can be connected with a drive framework (preceding drive framework), also can link to each other with two frameworks (preceding drive framework and back drive framework promptly) simultaneously, has improved the commonality of casing 100 under this battery package, and application range is more extensive.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pack lower case (100), comprising:

the shell comprises a shell body (10), wherein two electrical interfaces (11) are arranged on the shell body (10), and the two electrical interfaces (11) are respectively positioned on the front side wall and the rear side wall of the shell body (10);

two plug connector subassemblies (60), two plug connector subassemblies (60) are connected respectively on corresponding electric interface (11).

2. The battery pack lower case (100) according to claim 1, wherein the plug assembly (60) comprises:

the plug board comprises a plug board body (61), wherein a first annular groove (611) is formed in one side, facing the shell body (10), of the plug board body (61), a positioning column (612) is arranged on the plug board body (61), and the positioning column (612) is perpendicular to the plug board body (61) and extends towards the direction of the shell body (10);

a seal (62), the seal (62) fitting within the first annular groove (611).

3. The battery pack lower case (100) according to claim 2, wherein the sealing member (62) and the first annular groove (611) follow the outer profile of the socket plate body (61), respectively.

4. The battery pack case (100) according to claim 2, wherein a catching groove (614) is provided on the insertion plate body (61), the catching groove (614) communicates with the first annular groove (611), and a catching part (624) is provided on the sealing member (62), the catching part (624) being fittable in the catching groove (614) when the sealing member (62) is positioned in the first annular groove (611).

5. The battery pack lower case (100) according to claim 4, wherein a positioning groove (613) opened toward the case body (10) is provided on the insertion plate body (61), and the positioning column (612) is located in the positioning groove (613) and extends in the opening direction.

6. The battery pack lower case (100) according to claim 5, wherein the catching groove (614) is connected between the positioning groove (613) and the first annular groove (611), and the positioning groove (613) and the first annular groove (611) are communicated through the catching groove (614).

7. The battery pack lower case (100) according to any one of claims 2 to 6, wherein the sealing member (62) comprises two sealing beads (621) arranged at a distance from each other in a radial direction and an annular connecting portion connected between the two sealing beads (621), the two sealing beads (621) and the annular connecting portion together defining a second annular groove (625).

8. The battery pack lower case (100) according to claim 7, wherein a plurality of catching protrusions (623) are provided on both sides of the two sealing collars (621) away from the second annular groove (625), the plurality of catching protrusions (623) being arranged at intervals in the circumferential direction of the corresponding sealing collars (621).

9. The battery pack lower case (100) according to any one of claims 2 to 6, wherein a plurality of layers of the mounting holes (615) are provided on the insertion plate body (61) in a direction from the middle portion to the outer edge, each layer of the mounting holes (615) including a plurality of mounting holes arranged at equal and spaced intervals from the middle portion.

10. A battery pack for a vehicle, comprising: the battery pack lower case (100) according to any one of claims 1 to 9.