CN206633797U - The mounting structure of automobile power cell - Google Patents

Abstract

The utility model discloses a kind of automobile power cell mounting structure, electrokinetic cell is arranged on the rear portion of vehicle body, including battery box assembly and body tail assembly, structure more than, in battery assembling process, vehicle body is lifted to about 2 meters of height by suspender first, by transport accessory and lifting mechanism, so that battery assembly enters from body bottom, interior of body is upwardly into again after reaching vehicle body rectangular aperture position, last worker station is below vehicle body, and fastening bolt completes whole assembling process successively.Operating space is sufficient during this, is limited without space, and the sealing requirements of vehicle are met by simple bolt connection, and ring structure, and a preferably balance is reached in terms of production operation, beat efficiency, vehicle performance.

Description

The mounting structure of automobile power cell

Technical field

Motor vehicle technology field is the utility model is related to, more particularly to the installation of three railway carriage or compartment hybrid power automobile batteries is consolidated Determine mode and corresponding body structure.

Background technology

Three common railway carriage or compartment hybrid vehicles (PHEV) are all by petrol power truck remodeling, can not be used for reference pure electronic Bassinet structure raises the whole bottom of vehicle body so that electrokinetic cell (hereinafter referred to as battery) is arranged in the lower section of vehicle body.Due to vehicle body Change be limited in scope, and battery volume is larger, is typically located at luggage compartment position, while in order to ensure the space of luggage compartment most Bigization and after the security touched, battery need to abut last row's seat arrangement, and rear wheel cover is also near the position, is caused The assembly space of battery is narrow and small narrow., it is necessary to which battery is sent into luggage compartment, work by the suspender of long cantilever in assembling process is produced People enters back into luggage compartment and assembled, and inner space is very narrow and small so that operation inconvenience, production efficiency are low.

Utility model content

To be solved in the utility model is the efficiency of assembling problem of battery, i.e., improves assembly space by another way Narrow and small problem, the quick assembling of battery is realized, finally improves production efficiency.

To achieve these goals, the technical solution adopted in the utility model is：Automobile power cell mounting structure, power Battery is arranged on the rear portion of vehicle body, including battery box assembly and body tail assembly；

The battery box assembly includes battery bracket and battery case, the battery bracket include support battery case supporting plate and The yoke crosstie of tray bottom surface is fixed on, the yoke crosstie is stretched along vehicle body lateral arrangement, the termination at the yoke crosstie both ends Go out pallet, the termination is provided with termination mounting hole, and the tray edge is provided with pallet mounting hole；

The body tail assembly is surrounded by the bottom plate crossbeam, the rear floor crossmember at rear portion, the floor side member of both sides of front portion Battery via, the angle length and width dimensions of the battery via are slightly larger than the length and width dimensions of battery case；

The termination mounting hole of the battery box assembly both sides is fixed on floor side member by installation bolt and project-welding nut, institute State the pallet mounting hole on front side of battery box assembly to be fixed on bottom plate crossbeam by installation bolt and project-welding nut, the battery Pallet mounting hole on rear side of box assembly is fixed in rear floor beam by installation bolt and project-welding nut.

The sealing ring that a circle protrudes from tray surface is provided between the tray upper surface pallet mounting hole and battery case；Institute State bottom plate crossbeam and be provided with bottom plate, said midsole plate posterior edges are provided with to lower recess and sealing ring front side edge and are in close contact Bottom plate concave station；Floor crossmember is provided with rear floor after described, and the rear floor forward edge is provided with to lower recess and sealing The rear floor concave station that back side edge is in close contact is enclosed, the floor side member is provided with bottom plate side plate, the said midsole plate positioned at both sides Side plate inside edge is provided with the side plate concave station being in close contact to lower recess and sealing ring both sides.

It is provided with the floor side member and is bonded floor side member reinforcing plate with it, the floor side member reinforcing plate is provided with is installed with termination The reinforcing plate mounting hole that hole coordinates, the installation via diameter on the floor side member is more than the bore dia in floor side member reinforcing plate.

The crossbeam is integrated cast member with battery bracket.

The tray bottom surface is provided with 1-3 root yoke crossties.

The utility model has the advantage of the structure more than, in battery assembling process, vehicle body passes through suspender first About 2 meters of height is lifted to, by transport accessory and lifting mechanism so that battery assembly enters from body bottom, reaches vehicle body Interior of body is upwardly into behind rectangular aperture position again, last worker station is below vehicle body, and fastening bolt is whole to complete successively Individual assembling process.Operating space is sufficient during this, is limited without space, passes through simple bolt connection, and sealing ring knot Structure meets the sealing requirements of vehicle, reaches in terms of production operation, beat efficiency, vehicle performance a preferably balance.

Brief description of the drawings

The content of every width accompanying drawing expression in the utility model specification and the mark in figure are briefly described below：

Fig. 1：The explosive view of battery and vehicle body；

Fig. 2：For the enlarged drawing of circled in Fig. 1；

Fig. 3：Upward view of the battery with auto-body assembly after complete；

Fig. 4：For the A-A sectional views in Fig. 3

Fig. 5：The enlarged drawing of circled in Fig. 4；

Fig. 6：For the B-B sectional views in Fig. 3；

Fig. 7：For the enlarged drawing of circled in Fig. 6；

Mark in above-mentioned figure is：

1st, battery bracket, 1A, pallet, 1B, yoke crosstie, 1C, sealing ring, 1D, pallet mounting hole, 1E, termination, 1F, end Head mounting hole, 2, battery case, 3, rear floor, 3A, rear floor concave station, 4, floor side member, 5, bottom plate side plate, 5A, side plate concave station, 6th, rear wheel cover, 7, floor side member reinforcing plate, 8, installation bolt, 9, project-welding nut, 10, rear floor crossmember, 10A, crossbeam concave station, 11, Bottom plate crossbeam, 12, bottom plate, 12A, bottom plate concave station, 13, parcel shelf, 14, battery box assembly, 15, body tail assembly, 16th, battery via；

For the explanation of coordinate system in figure：X is vehicle body longitudinal direction, Y-direction-left and right directions, is that vehicle body is horizontal to-fore-and-aft direction, Z-direction-above-below direction, it is the in-plane formed perpendicular to XY.

Embodiment

Automobile power cell mounting structure is that battery and vehicle body are made into two independent assemblies, the i.e. He of battery box assembly 14 Body tail assembly 15, due to using vehicle body as reference substance, the term position such as forward and backward, both sides, horizontal stroke in present patent application, vertical Reference frame is used as using the direction of automobile.

Battery assembly is made up of battery case 2 and bracket, and bracket is located at the bottom of battery case 2, and bracket is by pallet 1A and some Root yoke crosstie 1B (general to recommend 1-3 roots) is formed, and is provided with pallet 1A and is enclosed what is annularly closed around cell peripheral one Sealing ring 1C, in sealing ring 1C outside, uniform several pallet mounting holes 1D.Sealing ring 1C by clamping or bonding form with Pallet 1A is firmly connected, it is preferred that for sealing ring 1C Z-direction height in 5-10mm, sealing ring 1C is arranged in Z-direction can be by Compression, the height after compression is 1-3mm.

Yoke crosstie 1B is secured transverse to pallet 1A bottoms, the end that the both ends of yoke crosstie 1B in the Y direction are connected with vehicle body Head 1E, termination 1E surfaces are flat, and provided with several terminations mounting hole 1F (typically setting three mounting holes), termination mounting hole 1F For the installation of bracket, and undertake by yoke crosstie 1B the weight of whole battery assembly.Yoke crosstie 1B and battery bracket 1 can be with Cast member is integrated, material preferably uses magnalium or other high-strength alloys.

Body tail assembly 15 is provided with the battery via 16 passed through for battery case 2, the downward projection length and width chi of battery via 16 The very little downward projection size slightly larger than battery case 2, to cause in assembling process, battery case 2 smoothly can enter below vehicle body Enter to interior of body.

Play to undertake whole vehicle body and connect the floor side member 4 of subframe and be distributed in the left and right sides of vehicle body, floor side member 4 The U-shaped structure in cross section, floor side member reinforcing plate 7 is being internally provided with, its cross section is also U-shaped, and is pasted with the part of floor side member 4 Close, and be attached by electric resistance welding.Unilateral floor side member 4 is provided with 6 installation vias, corresponds to the coaxial position of this some holes, Floor side member reinforcing plate 7 is provided with 6 holes, and is equipped with project-welding nut 9.Installation via diameter on floor side member 4 is more than floor side member Bore dia 1-2mm in reinforcing plate 7, to absorb manufacturing tolerance.

After battery case 2 is fitted into interior of body, the termination 1E of yoke crosstie 1B both sides and the bottom surface phase of floor side member 4 It is bonded, the termination mounting hole 1F axle center on the 1E of termination and floor side member 4, the hole axis coinciding of floor side member reinforcing plate 7, finally by peace Yoke crosstie 1B is connected by dress bolt 8 with body tail assembly 15.

Floor crossmember 10 is attached with floor side member 4 by welding in the Y direction with bottom plate crossbeam 11 afterwards, forms " II " shape Shape.Floor crossmember 10 has been evenly arranged the boss of 5 -Z directions, and opened on boss in the Y-direction welding edge with rear floor 3 afterwards Project-welding nut 9 is set behind hole, likewise, with bottom plate crossbeam 11 also to arrange several in welding edge region identical for floor side member 4 The boss and project-welding nut 9 of size.With the position of convex platform and project-welding nut 9 and the last pallet mounting hole 1D of pallet 1A one by one It is corresponding, after battery case 2 is fitted into interior of body, it is connected by the pallet 1A of installation bolt 8 with body tail assembly 15.

Bottom plate 12, the bottom plate side plate 5 of both sides and rear floor 3 are laid in longeron, rear floor crossmember 10 and bottom plate On the assembly that crossbeam 11 is formed, and the battery via 16 that visual angle is rectangle is overlooked in middle formed, rear floor 3 is close to battery The about 1-3mm positions laterally of via 16, extend provided with one along Y-direction, and section is in the rear floor concave station 3A of inverted trapezoidal, midsole edges of boards Plate 5 and bottom plate 12 are similarly provided with identical side plate concave station 5A, bottom plate concave station 12A, and these concave stations join end to end, Overlook visual angle and constitute rectangular shape, the lower surface of the concave station is coordinated with the sealing ring 1C on battery box assembly 14, and is pressed Contracting sealing ring 1C prevents the dust outside car, steam, noise etc. from entering interior of body to reach the purpose of sealing.

Bottom plate 12, bottom plate side plate 5 and rear floor 3 can be replaced with a complete floor, i.e., on a floor Battery via 16 and the concave station of outer ring are stamped out on part, can so ensure that the concave station of a circle is seamlessly connected, improve sealing.

Structure more than, in battery assembling process, vehicle body is lifted to about 2 meters of height by suspender first, borrows Help transport accessory and lifting mechanism so that battery assembly enters from body bottom, upward again behind arrival vehicle body rectangular aperture position Enter interior of body, last worker station is below vehicle body, and fastening bolt completes whole assembling process successively.Grasped during this Make space abundance, limited without space, the sealing of vehicle is met by simple bolt connection, and sealing ring 1C structures It is required that reach a preferably balance in terms of production operation, beat efficiency, vehicle performance.

The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model specific implementation not by The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that methodology and technical scheme of the present utility model are carried out Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in the utility model Protection domain within.

Claims (5)

1. automobile power cell mounting structure, electrokinetic cell is arranged on the rear portion of vehicle body, it is characterised in that：Including battery box assembly With body tail assembly；

The battery box assembly includes battery bracket and battery case, and the battery bracket includes supporting plate and the fixation of support battery case In the yoke crosstie of tray bottom surface, the yoke crosstie stretches out support along vehicle body lateral arrangement, the termination at the yoke crosstie both ends Disk, the termination are provided with termination mounting hole, and the tray edge is provided with pallet mounting hole；

The body tail assembly surrounds battery by the bottom plate crossbeam, the rear floor crossmember at rear portion, the floor side member of both sides of front portion Via, the angle length and width dimensions of the battery via are slightly larger than the length and width dimensions of battery case；

The termination mounting hole of the battery box assembly both sides is fixed on floor side member by installation bolt and project-welding nut, the electricity Pallet mounting hole on front side of the box assembly of pond is fixed on bottom plate crossbeam by installation bolt and project-welding nut, and the battery case is total Pallet mounting hole into rear side is fixed in rear floor beam by installation bolt and project-welding nut.

2. automobile power cell mounting structure according to claim 1, it is characterised in that：The tray upper surface pallet peace The sealing ring that a circle protrudes from tray surface is provided between dress hole and battery case；Said midsole plate crossbeam is provided with bottom plate, institute State bottom plate posterior edges and be provided with the bottom plate concave station being in close contact to lower recess and sealing ring front side edge；Floor crossmember after described Be provided with rear floor, it is described after floor forward edge be provided with it is recessed to lower recess and rear floor that sealing ring back side edge is in close contact Platform, the floor side member are provided with bottom plate side plate, positioned at the said midsole edges of boards plate inside edge of both sides be provided with to lower recess with The side plate concave station that sealing ring both sides are in close contact.

3. automobile power cell mounting structure according to claim 1 or 2, it is characterised in that：It is provided with the floor side member Floor side member reinforcing plate is bonded with it, the floor side member reinforcing plate is provided with the reinforcing plate mounting hole coordinated with termination mounting hole, institute State the bore dia that the installation via diameter on floor side member is more than in floor side member reinforcing plate.

4. automobile power cell mounting structure according to claim 3, it is characterised in that：The crossbeam is with battery bracket Integrally casting part.

5. automobile power cell mounting structure according to claim 4, it is characterised in that：The tray bottom surface is provided with 1-3 Root yoke crosstie.