CN205319202U

CN205319202U - Battery box for electric vehicle

Info

Publication number: CN205319202U
Application number: CN201521081004.3U
Authority: CN
Inventors: 郑雪根
Original assignee: SUZHOU ZHONGXIN METALWORK CO Ltd
Current assignee: SUZHOU ZHONGXIN METALWORK CO Ltd
Priority date: 2015-12-23
Filing date: 2015-12-23
Publication date: 2016-06-15
Anticipated expiration: 2025-12-23

Abstract

The utility model discloses a battery box for electric vehicle, comprising a box body and a box cover, box and case lid are steel or aluminum material, and the box is the open box structure in upper portion, and it is by the box bottom plate and enclose a plurality of blocks of box curb plates of establishing around this box bottom plate perpendicularly and constitute, welded fastening has a plurality of connecting seat on the box curb plate outer wall of box, the connecting seat is in by the laminating welding welded plate on the box curb plate outer wall, arrange and constitute at this connecting plate left and right sides and two blocks of vertical curb plates that are parallel to each other and the horizontal roof of horizontally connect at these two vertical curb plate tops perpendicularly, welded plate, vertical curb plate and horizontal roof structure as an organic whole, offer on the horizontal roof and be used for the connecting hole on the automobile frame with connecting seat fixed connection. The utility model discloses strengthen the firm in connection degree of battery box with the automobile frame greatly, avoided normal use in -process battery box to throw off from the frame.

Description

Electric automobile battery box

Technical field

This utility model belongs to battery case technical field, is specifically related to a kind of electric automobile battery box.

Background technology

In recent years due to the needs of the exhaustion of the energy and environmental conservation, the development and application of electric vehicle becomes new focus. And electrokinetic cell is as the key components and parts of electric vehicle, play vital effect. Electrokinetic cell is generally seated in the battery case of sealing.

And automobile power cell is as the power source of electric automobile, it it is one of the important component part of electric automobile. But, existing electric automobile battery box is not only restricted on volume, all there is certain defect, and the component for connecting battery case and automobile frame there is also certain fault of construction, there are some unsafe factors in its sealing and reasonable installation.

Summary of the invention

This utility model purpose is: for above-mentioned technical problem, it is provided that a kind of electric automobile battery box, to improve the degree of being connected firmly between battery case and automobile frame.

The technical solution of the utility model is: a kind of electric automobile battery box, including casing and case lid, described casing and case lid are steel or aluminum material, and casing is the box-structure of open topped, and it is by box bottom and vertically encloses the some pieces of box sides being located at around this box bottom and constitutes; The box side outer wall of casing is welded with several and connects seat, the horizontal top that described connection seat is welded on welded plate on described box side outer wall by laminating, is arranged vertically on this connecting plate left and right sides and the two blocks of vertical side plates being parallel to each other and is connected horizontally on these two pieces vertical side plate tops is constituted, described welded plate, vertical side plate and horizontal top are structure as a whole, and described horizontal top offer for connecting the connecting hole that seat is fixedly connected on automobile frame.

This utility model, on the basis of technique scheme, also includes following preferred version:

Described connection seat is provided with 14 altogether, and these 14 connect seat interval and are arranged in the surrounding of described casing.

Being fixedly installed outside fix limit on the box side outer wall of described casing, the inside of casing is fixedly installed inner position limit; Setting is turned up thus being formed with location flange in the uncovered limit, bottom of described case lid; Outside described case lid is buckled in casing top and covers on the open topped of casing, and described location flange and described outside fix limit are bolted to connection, and are folded with the first sealing strip between; The case lid top board of described case lid is pressed on described inner position limit, and is folded with the second sealing strip between.

Described outside fix limit is the loop configuration closed, and it encloses and is located at outside described box side; Described location flange is the loop configuration closed, and it encloses uncovered opening's edge place, the bottom being located at described case lid.

The utility model has the advantages that: the component connecting battery case and automobile frame has been carried out structure optimization by this utility model, and have devised the connection seat that a kind of structural strength is high, thus greatly strengthen the degree of being connected firmly of battery case and automobile frame, it is to avoid in normal use procedure, battery case disengages from vehicle frame.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of casing in this utility model embodiment;

Fig. 2 is the structural representation of case lid in this utility model embodiment;

Fig. 3 be in this utility model embodiment casing and case lid assembled after structural representation;

Wherein: 1-casing, the left half chests of 11-, the right half chests of 12-, 13-intermediate box, 1a-outside fix limit, 1b-inner position limit, 2-case lid, left half top board of 21-, right half top board of 22-, top board in the middle of 23-, 2a-positions flange, 2b-reinforcement, and 3-connects seat, 31-welded plate, the vertical side plate of 32-, 33-horizontal top, 3a-connecting hole, 4-left clapboard, 5-right clapboard.

Detailed description of the invention

Below in conjunction with specific embodiment, such scheme is described further. Should be understood that these embodiments are an illustration for this utility model and are not limited to limit scope of the present utility model. The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.

Fig. 1, Fig. 2 and Fig. 3 illustrate a specific embodiment of this electric automobile battery box of this utility model, and this battery case includes casing 1 and case lid 2. Described casing 1 is the box-structure of open topped, it is by box bottom and vertically encloses the some pieces of box sides being located at around this box bottom and constitutes, and being fixedly installed outside fix limit 1a on the box side outer wall of this casing 1, the inside of this casing 1 is fixedly installed inner position limit 1b. Such as Fig. 2, described case lid 2 is the box-structure that bottom is uncovered, and it is by case lid top board and vertically encloses the some blocks of case lid side plates being located at around this case lid top board and constitutes, and setting is turned up thus being formed with location flange 2a in the uncovered limit, bottom of this case lid 2. Such as Fig. 3, described case lid 2 is buckled in casing 1 top and covers on the open topped outer (case lid side plate is positioned at outside box side) of casing 1, and described location flange 2a and outside fix limit 1a is bolted to connection, and it is folded with the first sealing strip (not shown) between;The case lid top board of described case lid 2 is pressed on described inner position limit 1b, and is folded with the second sealing strip (not shown) between.

Therefore, this electric automobile battery box in the present embodiment, it is provided with two seals bar between its casing 1 and case lid 2, and an outer layout in this two seals bar one, case lid 2 is covered on outside casing 1 simultaneously, and case lid is overlayed on the uncovered opening's edge place of casing by nontraditional technology, greatly strengthen electric automobile battery box sealing.

When assembling, generally described first sealing strip is fixed in advance on described outside fix limit 1a, described second sealing strip is fixed in advance on described inner position limit 1b, again case lid 2 and casing 1 are linked together afterwards.

With reference to shown in Fig. 1, in this example, described outside fix limit 1a is the loop configuration (and non-circular) closed, and it encloses and is located at outside described box side. With reference to shown in Fig. 2, corresponding with the shape of described outside fix limit 1a, described location flange 2a is also the loop configuration (and non-circular) closed, and it encloses uncovered opening's edge place, the bottom being located at described case lid 2. So, location flange 2a and outside fix limit 1a is connected and coordinates and between after sandwiched the first sealing strip, thus forming a completely enclosed annular sealing strip, effectively prevents external substance from passing through in the first sealing strip entrance case.

As shown in figures 1 and 3, in order to enable this battery case to be installed to very easily on automobile frame, this example is fixedly installed multiple connection seat 3 on the box side outer wall of described casing 1, described connection seat 3 offers for wearing bolt will connect the connecting hole 3a that seat is connected on automobile frame. During practical application, each is connected the connecting hole being directed on electric automobile frame of the connecting hole 3a on seat 3, and after penetrating bolts and nuts locking in connecting hole, just complete the installation on automobile of this battery case and fix.

In this example, described casing 1, case lid 2 and connection seat 3 are metal material, are generally steel or aluminum matter, and described connection seat 3 is to be weldingly fixed on the outer wall of described casing 1.

Refer again to shown in Fig. 1 and Fig. 3, described connection seat 3 have employed the structure that a kind of intensity is high, the horizontal top 33 that it is welded on welded plate 31 on described box side outer wall by laminating, is arranged vertically on this connecting plate left and right sides and the two blocks of vertical side plates 32 being parallel to each other and is connected horizontally on these two pieces vertical side plate tops is constituted, described welded plate 31, vertical side plate 32 and horizontal top 33 are structure as a whole, and described connecting hole 3a is opened in described horizontal top 33.

And, in order to improve the degree of being connected firmly of battery case and automobile frame further, the connection seat 3 in this example is provided with 14 altogether, and these 14 connect seat 3 interval and are arranged in the surrounding of described casing 1.

In the present embodiment, the structure of described casing 1 is as shown in Figure 1, it is made up of left half chests 11, right half chests 12 and the intermediate box 13 that is connected between described left half chests and right half chests, described left half chests 11 and right half chests 12 are rectangular configuration, and length horizontal's lateral arrangement of left half chests 11, the length horizontal of right half chests 12 is longitudinally arranged, and left half chests 11 is arranged vertically with right half chests 12. Accordingly, as shown in Figure 2, the case lid top board of described case lid 2 is made up of left half top board 21, right half top board 22 and the middle top board 23 that is connected between described left half top board and right half top board, described left half top board 21 and right half top board 22 are rectangular configuration, and length horizontal's lateral arrangement of left half top board 21, the length horizontal of right half top board 22 is longitudinally arranged, and left half top board 21 is arranged vertically with right half top board 22.Casing 1 and the structure of case lid 2 are so set, the components and parts such as battery can be made to arrange convenient at the subregion of casing 1, can avoid simultaneously some components and parts because of arrange too close to and affect the job stability of electrokinetic cell.

And, be provided with in described left half chests 11 five pieces be arranged in parallel thus the inner volume of this left half chests being separated into the left clapboard 4 of six separate cavities, be provided with in described right half chests 12 three pieces be arranged in parallel thus the inner volume of this right half chests being separated into the right clapboard 5 of four separate cavities, and described left clapboard 4 is also arranged in parallel with right clapboard 5. After adopting dividing plate that cabinets cavity is separated into multiple mutually isolated cavity opened so that the elements such as battery cell layout in casing 1 is convenient, more firm.

In addition, in order to strengthen the structural strength of described case lid 2, this example is shaped with twenty-one provision reinforcement 2b spaced apart from each other in the case lid top board upper punch of this case lid, wherein, a longest reinforcement 2b horizontal cross is arranged and its length is across described left half top board 21, middle top board 23 and right half top board 22, one reinforcement 2b level of vice-minister's (namely second is long) is longitudinally arranged on described right half top board 22, also having ten reinforcement 2b to be distributed on described left half top board 21 radially, all the other nine reinforcement 2b are distributed on described right half top board 22 radially. These reinforcements 2b is arranged on the case lid top board of case lid 2 by this example in the manner described above dexterously, greatly strengthen case lid top board structural strength everywhere.

Above-mentioned twenty-one provision reinforcement 2b punching on case lid top board is formed, and reinforcement 2b is downwardly convex.

Certainly, the quantity of above-mentioned reinforcement 2b is not limited to twenty-one provision, it is also possible to is ten, 30, is generally more than ten.

Certainly, above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow people will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this. All equivalent transformations done according to the spirit of this utility model main technical schemes or modification, all should be encompassed within protection domain of the present utility model.

Claims

1. an electric automobile battery box, including casing (1) and case lid (2), described casing (1) and case lid (2) are steel or aluminum material, the box-structure that casing (1) is open topped, it is by box bottom and vertically encloses the some pieces of box sides being located at around this box bottom and constitutes; It is characterized in that:

The box side outer wall of described casing (1) is welded with several and connects seat (3), described connection seat (3) is welded on the welded plate (31) on described box side outer wall by laminating, it is arranged vertically on this connecting plate left and right sides and the two pieces of vertical side plates (32) being parallel to each other and horizontal top (33) composition being connected horizontally on these two pieces vertical side plate tops, described welded plate (31), vertical side plate (32) and horizontal top (33) are structure as a whole, described horizontal top (33) offers for the connecting hole (3a) that seat is fixedly connected on automobile frame will be connected.

2. electric automobile battery box according to claim 1, it is characterised in that: described connection seat (3) is provided with 14 altogether, and these 14 connect seat (3) interval and are arranged in the surrounding of described casing (1).

3. electric automobile battery box according to claim 1, it is characterized in that: being fixedly installed outside fix limit (1a) on the box side outer wall of described casing (1), the inside of casing (1) is fixedly installed inner position limit (1b);Setting is turned up thus being formed with location flange (2a) in the uncovered limit, bottom of described case lid (2); Outside described case lid (2) is buckled in casing (1) top and covers on the open topped of casing (1), and described location flange (2a) and described outside fix limit (1a) are bolted to connection, and it is folded with the first sealing strip between; The case lid top board of described case lid (2) is pressed on described inner position limit (1b), and is folded with the second sealing strip between.

4. electric automobile battery box according to claim 3, it is characterised in that: described outside fix limit (1a) is the loop configuration closed, and it encloses and is located at outside described box side; Described location flange (2a) is the loop configuration closed, and it encloses uncovered opening's edge place, the bottom being located at described case lid (2).