CN207705265U

CN207705265U - Electric vehicle integration battery case

Info

Publication number: CN207705265U
Application number: CN201721878097.1U
Authority: CN
Inventors: 董学勤; 章阳; 吴超; 王强
Original assignee: Jiangsu Yi Hang Car Industry Co Ltd
Current assignee: Jiangsu Yi Hang Car Industry Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2018-08-07
Anticipated expiration: 2027-12-28

Abstract

The utility model provides a kind of electric vehicle integration battery case, battery mounting bracket including top box body, positioned at middle part and lower part cover board, the top box body is welded on the inside of battery compartment skeleton structure, electrokinetic cell system is mounted in the battery mounting bracket, the battery mounting bracket is mounted on the inside of the battery compartment skeleton structure, and the lower part cover board is screwed onto top box body bottom and does encapsulation process.It has the beneficial effect that：Battery case is fixedly welded on longeron assembly, only plays sealing to electrokinetic cell system, and battery case does not carry the weight of battery, and without too thick, optional lightweight makes battery case compared with thin material, reduces the production cost of enterprise；The longeron crossbeam of surrounding forms the skeleton structure of enclosed, plays good protective action to battery pack, improves the anticollision performance and stability of battery system.

Description

Electric vehicle integration battery case

Technical field

The utility model is related to auto parts machinery production fields, more particularly to a kind of electric vehicle integration battery case.

Background technology

Electrokinetic cell system is an essential part on automobile, currently, common cell power systems are in the market Vehicle lithium electric power battery pack, battery pack are integrated in battery inside mostly, and automobile is mounted on by load-bearing carrier of battery case Bottom, since battery case carries the weight of battery pack whole and needs to play certain protective action to internal battery pack, So very high to the intensity requirement of battery case using form installation battery pack, the method for generally use is to increase the thickness of battery case It spends to promote the intensity of battery case, still, this method will certainly increase the weight of battery case, while increase being produced into for enterprise This.

Invention content

The purpose of this utility model is to provide a kind of electric vehicle integration battery case, battery case is fixedly mounted on battery In the skeleton structure of storehouse, battery case only plays sealing to electrokinetic cell system, and battery case does not carry the weight of battery, without too Thickness can be made of light and thin material, reduce the production cost of enterprise；The longeron crossbeam of surrounding forms the skeleton knot of enclosed Structure plays good protective action to battery pack, improves the anticollision performance and stability of battery system.

In order to achieve the above object, the utility model is achieved through the following technical solutions：A kind of electric vehicle one Electrochemical cell box, including top box body, battery mounting bracket and lower part cover board positioned at middle part, the top box body are welded on battery On the inside of the skeleton structure of storehouse, electrokinetic cell system is mounted in the battery mounting bracket, and the battery mounting bracket is mounted on institute It states on the inside of battery compartment skeleton structure, the lower part cover board is screwed onto top box body bottom and does encapsulation process.

Further, the battery compartment skeleton structure include be located at left and right both ends the identical left longeron of structure it is total At with right vertical beam assembly and be located at the identical floor front beam of the structure of front and rear ends and Floor rear crossbeam, the left side Together with longeron assembly, right vertical beam assembly, floor front beam and Floor rear crossbeam integral solder, the battery mounting bracket Arranged on left and right sides is screwed onto respectively on the medial surface of the left longeron assembly and the right vertical beam assembly.

Further, the left longeron assembly includes longeron main body and is located at the longeron reinforcement of the longeron body top Plate.

Further, it is welded respectively along its length on the medial surface of the left longeron assembly and the right vertical beam assembly Several transition brackets one are connect, the transition bracket one is metallic monolith structure outstanding, in top box body left and right side pair Several opening positions should be equipped with, the opening position can be fastened on the transition bracket one, the opening position and the mistake One full weld of holder is crossed to connect and do encapsulation process.

Further, the welding transition holder two on the transition bracket one, the transition bracket two are " " shape metal Piece carries desoldering nut on two bottom surface of the transition bracket, multiple through-holes is correspondingly provided in the battery mounting bracket, will Bolt passes through the through-hole to be spirally connected with desoldering nut cooperation and fixes the battery mounting bracket with the transition bracket two Together.

Further, there is several groove in the battery mounting bracket, the groove is along the battery mounting bracket Width direction extends, and the through-hole is located at the groove floor, and the transition bracket two, which can correspond to, to be fastened in the groove.

The beneficial effects of the utility model are：Different from needing the battery case of carrying battery weight, this practicality in the prior art It is novel electrokinetic cell system is mounted in battery mounting bracket after be fixed in battery compartment skeleton structure, battery gravity at this time Supporting body is battery compartment skeleton, and battery case only plays sealing function, and light and thin material can be selected and be made battery case, the program compared with The weight that battery case can be effectively reduced for the prior art, substantially reduces entreprise cost；Battery compartment skeleton structure can be good at The battery system on the inside of it is protected, local extruding is avoided, improves the stability and anti-collision energy of battery.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model electric vehicle integration battery case；

Fig. 2 is the schematic diagram of the utility model electric vehicle integration battery case and the connection type of longeron assembly.

The left longeron assemblies of 1-, the tops 2- box body, 3- Floor rear crossbeams, 4- right vertical beam assemblies, 5- electrokinetic cell systems, 6- electricity Pond mounting bracket, the lower parts 7- cover board, the floors 8- front beam, 9- longitudinal beam reinforcing plates, 10- longeron main bodys, 11- transition brackets one, 12- Transition bracket two, 13- desoldering nuts, 14- bolts, 15- battery compartment skeleton structures, 16- grooves.

Specific implementation mode

1-2 and specific embodiment make into one the structure, principle and the course of work of the utility model below in conjunction with the accompanying drawings Step ground explanation, but protection scope of the utility model is not limited thereto.

A kind of electric vehicle integration battery case, including top box body 2, positioned at the battery mounting bracket 6 at middle part and lower part Cover board 7, the top box body 2 are welded on 15 inside of battery compartment skeleton structure, and electrokinetic cell system 5 is installed mounted on the battery On bracket 6, the battery mounting bracket 6 is mounted on 15 inside of the battery compartment skeleton structure, and the lower part cover board 7 is screwed onto institute It states 2 bottom of top box body and does encapsulation process, the program converts the weight bearing person of the electrokinetic cell system 5 from battery case Onto the battery compartment skeleton structure 15, at this point, the battery case only plays the role of sealing, without by increasing battery case Thickness reinforces the intensity of battery case to ensure the stability of its internal cell system, so, it can select more light and thin Material manufacture battery case shell, which can significantly reduce the production cost of enterprise.

The battery compartment skeleton structure 15 includes being located at the identical left longeron assembly 1 of structure and the right side at left and right both ends Longeron assembly 4 and the identical floor front beam 8 of the structure for being located at front and rear ends and Floor rear crossbeam 3, the left longeron Together with assembly 1, right vertical beam assembly 4, floor front beam 8 and 3 integral solder of Floor rear crossbeam, the battery mounting bracket 6 Arranged on left and right sides is screwed onto respectively on the medial surface of the left longeron assembly 1 and the right vertical beam assembly 4, the battery compartment skeleton Structure 15 is the beam frame structure of bottom of car, intensity itself is high, and good protective action can be played to the accessory of inside, will be described Battery mounting bracket 6 is installed therein, can effectively promote the stability and anti-collision energy of the electrokinetic cell system 5；Institute It includes longeron main body 10 and the longitudinal beam reinforcing plate 9 for being located at 10 top of the longeron main body to state left longeron assembly 1, adds the longeron Reinforcing plate 9 can promote the structural strength of the longeron main body 10, promote the anti-collision energy of the longeron main body 10, and then right The electrokinetic cell system 5 on its inside plays more preferably protective action.

It is respectively welded along its length on the medial surface of the left longeron assembly 1 and the right vertical beam assembly 4 several Transition bracket 1, the transition bracket 1 are metallic monolith structure outstanding, are faced in 2 left and right side of top box body Several opening positions should be equipped with, the opening position can be fastened on the transition bracket 1, the opening position with it is described One 11 full weld of transition bracket connects and does encapsulation process, when installation, first corresponds to several opening positions on the top box body 2 It is fastened on the transition bracket 1, is sealed soldering again later, which can ensure to weld tightness, make The top box body 2 described in process is not easy to fall off from the longeron assembly, promotes the top box body 2 and the longeron assembly The stability of connection；The welding transition holder 2 12 on the transition bracket 1, the transition bracket 2 12 are " " shape gold Belong to piece, desoldering nut 13 is carried on 2 12 bottom surface of the transition bracket, is correspondingly provided in the battery mounting bracket 6 multiple Through-hole passes through the through-hole to be spirally connected with the desoldering nut 13 cooperation and is mounted on the battery mounting bracket 6 using bolt 14 On the transition bracket 2 12, the battery mounting bracket 6 is installed by way of being spirally connected, convenient disassembly is conducive to inspection usually Repair maintenance.

There are several groove 16, width of the groove 16 along the battery mounting bracket 6 in the battery mounting bracket 6 Direction extends, and the through-hole is located at 16 bottom surface of the groove, and the correspondence of the transition bracket 2 12 is fastened in the groove 16, increases Add the groove 16 that can play a very good protection to two sides of the transition bracket 2 12, enhances the battery peace The structural strength for filling bracket 6 and 2 12 connecting portion of the transition bracket, promotes integrally-built stability.

The foregoing is merely specific embodiment of the utility model, but the technical characteristics of the utility model is not limited to This, the other embodiment that any those skilled in the art obtains in the case where not departing from the technical solution of the utility model should all be contained It covers among the scope of the claims of the utility model.

Claims

1. a kind of electric vehicle integration battery case, which is characterized in that including top box body（2）, positioned at middle part battery install Bracket（6）With lower part cover board（7）, the top box body（2）It is welded on battery compartment skeleton structure（15）Inside, electrokinetic cell system （5）Mounted on the battery mounting bracket（6）On, the battery mounting bracket（6）It is screwed onto the battery compartment skeleton structure （15）Inside, the lower part cover board（7）It is screwed onto the top box body（2）Bottom.

2. electric vehicle integration battery case according to claim 1, which is characterized in that the battery compartment skeleton structure （15）The identical left longeron assembly of structure including being located at left and right both ends（1）With right vertical beam assembly（4）And it is located at The identical floor front beam of structure of front and rear ends（8）And Floor rear crossbeam（3）, the left longeron assembly（1）, right vertical beam it is total At（4）, floor front beam（8）And Floor rear crossbeam（3）Integral solder together, the battery mounting bracket（6）Left and right two Side is screwed onto the left longeron assembly respectively（1）With the right vertical beam assembly（4）Medial surface on.

3. electric vehicle integration battery case according to claim 2, which is characterized in that the left longeron assembly（1）Packet Include longeron main body（10）Be located at the longeron main body（10）The longitudinal beam reinforcing plate at top（9）.

4. electric vehicle integration battery case according to claim 3, which is characterized in that in the left longeron assembly（1） With the right vertical beam assembly（4）Medial surface on several transition brackets one are respectively welded along its length（11）, the transition Holder one（11）For metallic monolith structure outstanding, in the top box body（2）Left and right side is correspondingly provided with several opening portions Position, the opening position can be fastened on the transition bracket one（11）On, the opening position and the transition bracket one（11） Full weld connects.

5. electric vehicle integration battery case according to claim 4, which is characterized in that in the transition bracket one（11） Upper welding transition holder two（12）, the transition bracket two（12）For " " shape sheet metal, in the transition bracket two（12）Bottom surface It is upper to carry desoldering nut（13）, in the battery mounting bracket（6）On be correspondingly provided with multiple through-holes, bolt（14）It may pass through described Through-hole and the desoldering nut（13）Cooperation is spirally connected.

6. electric vehicle integration battery case according to claim 5, which is characterized in that in the battery mounting bracket （6）It is equipped with several groove（16）, the groove（16）Along the battery mounting bracket（6）Width direction extend, it is described logical Hole is located at the groove（16）Bottom surface, the transition bracket two（12）It can correspond to and be fastened on the groove（16）It is interior.