CN210733809U

CN210733809U - Power battery pack components and vehicles

Info

Publication number: CN210733809U
Application number: CN201920814661.6U
Authority: CN
Inventors: 张光慧; 万茂林; 周坤; 骆元; 陈寅
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-06-12
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to the technical field of electric vehicles, and discloses a power battery pack assembly and a vehicle. The power battery pack assembly comprises a battery pack and a battery pack fixing bracket; the battery pack fixing bracket comprises a bracket body, a fixing ear and a bracket connecting plate , the bracket body is suspended to the sheet metal under the vehicle body through the bracket connecting plate, the fixing lugs are fixed on the bracket body, the rear edge of the battery pack is fixed on the fixing lugs, the The fixed lifting lug is fixedly connected with the rear suspension of the vehicle body. In the power battery pack assembly and the vehicle of the utility model, the rear part of the battery pack is connected with the sheet metal under the white body and the rear suspension of the vehicle body through the battery pack fixing bracket, which not only meets the installation requirements of the battery pack, but also solves the problem of the battery pack. Interference with the rear suspension, etc.

Description

Power battery package subassembly and vehicle

Technical Field

The utility model relates to an electric automobile technical field specifically indicates a power battery package subassembly and vehicle.

Background

The pure electric vehicle relies on the power battery to provide driving power, has smaller influence on the environment compared with the traditional vehicle, has widely seen prospect, but the current technology is not mature yet. The main restriction points are that the power battery generally has the problems of high price, short service life, large overall dimension and weight, long charging time and the like.

According to the requirement of the pure electric vehicle on the driving range in the current market, automobile enterprises generally choose to arrange a power battery pack below a vehicle body floor, and install and fix the power battery pack on a left longitudinal beam, a right longitudinal beam, a front cross beam and a rear cross beam so as to increase the electric quantity of the power battery to the maximum extent. At the same time, the extreme boundary dimensions of a pure electric vehicle require that the mounting points of the battery pack extend as far as possible in the direction X, Y of the body-in-white floor.

The heavy weight of the power battery provides great test for the strength of the vehicle body floor of the pure electric vehicle, and the power battery is likely to interfere with the motion envelope of the rear suspension at the position of the rear cross beam.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide a power battery package subassembly, can solve the white automobile body intensity reduction and the fixed reliability problem of battery package that installation power battery arouses.

In order to achieve the purpose, the power battery pack assembly designed by the utility model comprises a battery pack and a battery pack fixing bracket; the battery pack fixing support comprises a support main body, a fixing lifting lug and a support connecting plate, wherein the support main body is suspended on a metal plate below an automobile body through the support connecting plate, the fixing lifting lug is fixed on the support main body, the rear edge of the battery pack is fixed on the fixing lifting lug, and the fixing lifting lug is fixedly connected with the rear suspension of the automobile body.

Preferably, the bracket main body is a U-shaped hollow rod.

Preferably, the fixing lifting lug is arranged on the cross rod section of the bracket main body.

Preferably, the fixed lifting lug is a hollow structure formed by bending a metal sheet.

Preferably, the bracket main body is welded and fixed with two fixing lugs.

Preferably, the rear edge of the battery pack is provided with a battery pack mounting hole, the fixing lifting lug is provided with a bolt hole corresponding to the battery pack mounting hole, and the battery pack mounting hole and the corresponding bolt hole are locked and fixed by a battery pack fixing bolt.

Preferably, the fixed lifting lug is provided with a rear suspension connecting hole, and the fixed lifting lug is fixedly connected with a rear suspension of the vehicle body through a fastener arranged in the rear suspension connecting hole.

An object of the utility model is to overcome prior art's not enough, provide a vehicle, can solve the white automobile body intensity reduction and the battery package fixed reliability problem that the installation power battery arouses.

In order to achieve the above object, the utility model relates to a vehicle, include white automobile body floor, battery package, be located white automobile body floor below panel beating and automobile body rear suspension, its characterized in that: the vehicle further includes hang white on the automobile body below panel beating and with suspension fixed connection's behind the automobile body battery package fixed bolster, the trailing edge of battery package is fixed on the battery package fixed bolster.

According to the preferable scheme, the battery pack fixing support comprises a support main body, fixing lugs and a support connecting plate, the support main body is suspended on a metal plate below the automobile body through the support connecting plate, the fixing lugs are fixed on the support main body, the rear edge of the battery pack is fixed on the fixing lugs, and the fixing lugs are fixedly connected with the automobile body rear suspension.

Preferably, the bracket main body is a U-shaped hollow rod, and the fixing lifting lug is welded and fixed on the transverse rod section of the bracket main body and is of a hollow structure formed by bending a metal sheet; a battery pack mounting hole is formed in the rear edge of the battery pack, a bolt hole is formed in the fixing lifting lug corresponding to the battery pack mounting hole, and the battery pack mounting hole and the corresponding bolt hole are locked and fixed through a battery pack fixing bolt; the fixed lifting lug is provided with a rear suspension connecting hole and is fixedly connected with a rear suspension of the vehicle body through a fastener arranged in the rear suspension connecting hole.

The utility model has the advantages that: the utility model discloses an among power battery package subassembly and the vehicle, through battery package fixed bolster with battery package rear portion and white automobile body below panel beating, automobile body rear suspension link together, both satisfied the installation requirement of battery package, solved battery package and rear suspension interference scheduling problem.

Drawings

Fig. 1 is a perspective view of a power battery pack assembly according to a preferred embodiment of the present invention.

Fig. 2 is a perspective view of the power pack assembly of fig. 1 at another angle with the battery pack removed.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is a perspective view of the battery pack fixing bracket of fig. 1.

Fig. 5 is a partially enlarged view of another angle of the battery pack fixing bracket of fig. 4.

The components in the figures are numbered as follows: the vehicle body-in-white floor 10, the battery pack 20 (wherein, the battery pack mounting hole 21), the battery pack fixing bracket 30 (wherein, the bracket main body 31, the lifting lug 32, the battery pack fixing bolt 33, the bracket connecting plate 34), the vehicle body lower metal plate 40 and the vehicle body rear suspension 50.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

The utility model aims at solving the not enough of above-mentioned background art, provide one kind and can satisfy the battery package rear portion and the installation of automobile body rear suspension fixed, can guarantee the battery package subassembly of white automobile body intensity and reliability again.

Referring to fig. 1 and 2, the power battery pack assembly of the present invention includes a battery pack fixing bracket 30 disposed at the rear portion of the body-in-white, and a battery pack 20 fixed to the body-in-white floor 10 by bolts, wherein the battery pack fixing bracket 30 is connected to the lower portion of the body-in-white floor 10 by welding. The front end of the battery pack 20 is mounted below the body-in-white floor 10 by bolts, and the rear end of the battery pack 20 is disposed in front of the battery pack fixing bracket 30.

The rear edge of the battery pack 20 is provided with a battery pack mounting hole 21 for mounting the rear edge of the battery pack 20 on the battery pack fixing bracket 30.

Referring to fig. 4, the battery pack fixing bracket 30 is composed of a bracket main body 31, a fixing lug 32, and a bracket connecting plate 34. To reduce weight, the holder main body 31 is a U-shaped hollow bar. The fixing lug 32 is provided on the crossbar section of the bracket body 31, and similarly, the fixing lug 32 has a hollow structure formed by bending a metal sheet for weight reduction. In the illustrated embodiment, the bracket main body 31 is welded and fixed with two fixing lugs 32. The support connecting plates 34 are respectively arranged at two ends of the support main body 31, and the whole battery pack fixing support 30 is welded on the metal plate 40 below the vehicle body through the support connecting plates 34. The support main body 31 and the fixed lifting lug 32 are both hollow structures, and part of the positions are hollow, so that the weight of the whole electric vehicle is reduced as much as possible while the strength is ensured, and the driving range of the electric vehicle is increased.

The rear edge of the battery pack 20 and the battery pack fixing bracket 30 are mounted on the fixing lug 32 by the battery pack fixing bolt 33. Specifically, referring to fig. 3, each fixing lug 32 is provided with a bolt hole 321 corresponding to the battery pack mounting hole 21. The diameters of the battery pack mounting holes 21 and the bolt holes 321 are matched with the size of the battery pack fixing bolt 33. The battery pack fixing bolt 33 passes through the battery pack mounting hole 21 on the battery pack 20 and the fixing lug 32 and is locked by a nut, so that the rear end of the battery pack 20 is fixed on the battery pack fixing bracket 30.

The fixing lifting lug 32 of the battery pack fixing support 30 is welded on the support main body 31, the welding position is determined according to the position of the mounting hole 21 of the battery pack, and the two support connecting plates 34 are welded at two ends of the battery pack fixing support 30. The battery pack fixing support 30 is connected to a metal plate 40 below the white automobile body through a support connecting plate 34, and the strength of the rear floor of the whole automobile body is guaranteed in a welding mode. The bracket connecting plate 34 in the battery pack mounting bracket 30 is welded to a metal plate 40 below the white vehicle body, so that the backward movement of the battery pack during vehicle body collision is ensured.

The fixing lifting lug 32 is provided with a rear suspension connecting hole 322, and the fixing lifting lug 32 on the battery pack fixing bracket 30 is connected and fixed with the vehicle body rear suspension 50 through a fastener.

When the battery pack 20 is mounted, the mounting bolts at the front part and the side surface are firstly mounted, and finally, the mounting bolts at the rear part of the battery pack 20 and the battery pack fixing support 20 are assembled by utilizing the positioning of the mounting hole positions at the front part.

The utility model discloses an among power battery package subassembly and the vehicle, through battery package fixed bolster 30 with battery package 20 rear portion with white automobile body below panel beating 40, the rear suspension 50 links together, has both satisfied the installation requirement of battery package 20, has solved that battery package and back torsion beam clearance are little, battery package installing support mould expense big scheduling problem, but furthest's reduction puts in order car weight simultaneously, promotes the continuation of the electric motor car mileage of traveling.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A power battery pack assembly, comprising a battery pack (20) and a battery pack fixing bracket (30), wherein the battery pack fixing bracket (30) comprises a bracket body (31), a fixing lug (32) and a bracket connecting plate (34), the bracket main body (31) is suspended to the sheet metal (40) under the vehicle body through the bracket connecting plate (34), and the fixing lugs (32) are fixed on the bracket main body ( 31), the rear edge of the battery pack (20) is fixed on the fixing lifting lug (32), and the fixing lifting lug (32) is fixedly connected with the rear suspension (50) of the vehicle body.

2 . The power battery pack assembly according to claim 1 , wherein the bracket body ( 31 ) is a U-shaped hollow rod. 3 .

3 . The power battery pack assembly according to claim 2 , wherein the fixing lugs ( 32 ) are arranged on the cross bar section of the bracket main body ( 31 ). 4 .

4 . The power battery pack assembly according to claim 2 , wherein the fixing lugs ( 32 ) are hollow structures formed by bending metal sheets. 5 .

5 . The power battery pack assembly according to claim 2 , wherein the bracket body ( 31 ) is welded and fixed with two of the fixing lugs ( 32 ). 6 .

6. The power battery pack assembly according to any one of claims 1 to 5, wherein a battery pack mounting hole (21) is formed on the rear edge of the battery pack (20), and the fixing lugs Bolt holes (321) are provided on (32) corresponding to the battery pack mounting holes (21), and the battery pack mounting holes (21) and the corresponding bolt holes (321) are locked by battery pack fixing bolts (33). Fasten tightly.

7 . The power battery pack assembly according to claim 6 , wherein a rear suspension connection hole ( 322 ) is opened on the fixing lifting lug ( 32 ), and the fixing lifting lug ( 32 ) is arranged on the The fasteners of the rear suspension connecting holes (322) are connected and fixed with the vehicle body rear suspension (50).

8. A vehicle, comprising a body-in-white floor (10), a battery pack (20), a sheet metal (40) under the body-in-white located below the body-in-white floor (10), and a body rear suspension (50), characterized in that In that: the vehicle further comprises a battery pack fixing bracket (30) suspended on the sheet metal (40) below the body-in-white and fixedly connected with the rear suspension (50) of the body, the battery pack (20) The rear edge of the battery pack is fixed on the battery pack fixing bracket (30).

9 . The vehicle according to claim 8 , wherein the battery pack fixing bracket ( 30 ) comprises a bracket body ( 31 ), a fixing lug ( 32 ) and a bracket connecting plate ( 34 ), and the bracket body ( 31) The bracket connecting plate (34) is suspended to the sheet metal (40) under the vehicle body, the fixing lugs (32) are fixed on the bracket main body (31), and the battery pack (20) The rear edge of the vehicle body is fixed on the fixed lifting lug (32), and the fixed lifting lug (32) is fixedly connected with the vehicle body rear suspension (50).

10 . The vehicle according to claim 9 , wherein the bracket body ( 31 ) is a U-shaped hollow rod, and the fixing lugs ( 32 ) are welded and fixed to the cross bar section of the bracket body ( 31 ). 11 . It is a hollow structure formed by bending a metal sheet; a battery pack mounting hole (21) is opened on the rear edge of the battery pack (20), and the fixing lugs (32) correspond to the battery pack mounting hole ( 21) Bolt holes (321) are provided, and the battery pack mounting holes (21) and the corresponding bolt holes (321) are locked and fixed by battery pack fixing bolts (33); A rear suspension connection hole (322) is opened, and the fixing lug (32) is connected and fixed to the vehicle body rear suspension (50) through a fastener provided in the rear suspension connection hole (322).