JP5387072B2 - Battery support structure - Google Patents

Description

  The present invention relates to a battery support structure.

  2. Description of the Related Art Conventionally, a structure in which a battery is mounted in a vehicle engine room or the like is widely known (see, for example, Patent Document 1). In Patent Document 1, the battery is mounted on the vehicle by assembling the battery to the battery tray via the connecting rod and the holding plate, and in this state, the entire lower surface of the battery tray is mounted and fixed on the battery bracket. .

JP 2000-255346 A

  However, in such a conventional battery support structure, when the entire lower surface of the battery tray cannot be placed on the battery bracket, that is, when the battery tray overhangs more than the battery bracket, In order to endure, it was necessary to increase the thickness of the battery tray or use a highly rigid steel plate. In this case, there is a risk of increasing the weight of the battery tray and increasing the cost.

  Therefore, the present invention provides a battery support structure capable of suppressing the cost at a low cost without increasing the weight.

The battery support structure according to the present invention is a battery support structure for supporting a battery tray in an overhanging state on a support surface of a vehicle body part and attaching a battery to the battery tray. Ribs having a substantially lattice shape in plan view are provided on the back surface toward the back surface side, and among these ribs, the support ribs corresponding to the peripheral edge portion of the support surface are more than the general ribs disposed in the general portion. The battery tray and the battery tray are sandwiched between the vehicle body parts via an attachment member, and a support portion for supporting the battery tray on the vehicle body parts is formed on the lower surface of the battery tray. The mounting member is disposed at a portion corresponding to the upper side and the lower side .

  According to the battery support structure of the present invention, the back side (lower surface) of the battery tray corresponding to the peripheral part of the vehicle body part is arranged to support higher than the general part, and the bending rigidity is increased. Therefore, it can sufficiently withstand the load of the battery. Thus, even when part of the battery tray overhangs, the rigidity of the battery tray can be improved without substantially increasing the weight or cost.

It is a perspective view which shows the vehicle body front part which arrange | positioned the battery tray by 1st Embodiment of this invention. FIG. 2 is an exploded perspective view of FIG. 1. It is a disassembled perspective view of the engine mount bracket 3 and battery tray by 1st Embodiment of this invention. It is the perspective view which looked at the battery tray by 1st Embodiment of this invention from diagonally upward. It is the perspective view which looked at the battery tray by 1st Embodiment of this invention from diagonally downward. It is a perspective view which shows the state which attached the battery and the battery tray to the engine mount bracket by 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[First embodiment]
FIG. 1 is a perspective view showing a front part of a vehicle body provided with a battery tray according to a first embodiment of the present invention, and FIG. 2 is an exploded perspective view of FIG.

  The side member 1 shown in these drawings is a front side member arranged at the front part on the right side of the vehicle. An engine mount bracket 3 protruding toward the vehicle right side (vehicle width direction outer side) is attached to the center portion of the side member 1 in the front-rear direction. The engine mount bracket 3 is provided with an air cleaner mounting plate 5 on the vehicle rear side and a battery tray 7 on the vehicle front side. The battery tray 7 is formed in a substantially rectangular shape in plan view, and is configured to be detachable from the engine mount bracket 3 as shown in FIG. The broken line in FIG. 1 indicates the right side end of the battery tray 7 in the vehicle. Thus, in this embodiment, a part of the battery tray 7 is overhanging on the right side of the vehicle with respect to the engine mount bracket 3 which is a vehicle body part.

  3 is an exploded perspective view of the engine mount bracket and the battery tray according to the first embodiment of the present invention, FIG. 4 is a perspective view of the battery tray according to the first embodiment of the present invention as viewed obliquely from above, and FIG. It is the perspective view which looked at the battery tray by 1st Embodiment of invention from diagonally downward.

  The battery tray 7 is integrally formed from a tray main body 9 disposed on the upper side and a plurality of ribs 11 that are provided on the lower surface (back surface) of the tray main body 9 and project toward the back surface side when viewed from above. Has been. These tray main body 9 and rib 11 can be integrally molded by injection molding of synthetic resin, for example.

  As shown in FIG. 4, an upper surface 13 having a substantially rectangular shape in plan view and a vertical flange 15 rising upward from an outer peripheral edge of the upper surface 13 are formed on the upper side of the battery tray 7. The battery tray 7 extends along the outer peripheral edge. As shown in FIGS. 3 and 5, two cylindrical positioning pins (supporting portions) projecting toward the back surface are provided on the back surface of the battery tray 7 so as to project the vehicle width of the battery tray 7. A first positioning pin 17 is disposed at the center in the direction (longitudinal direction), and a second positioning pin 19 is disposed near the upper side of the side member 1 on the left side in the vehicle width direction. These positioning pins 17 and 19 are formed longer than the surrounding ribs 11.

  Further, as shown in FIGS. 3 and 5, the rib 11 on the back surface side of the battery tray 7 has a different height depending on the part, and the part facing the outer peripheral edge of the support surface 21 of the engine mount bracket 3 is generally A supporting rib having a height higher than that of the general rib 23 provided in the portion is provided. In the present embodiment, these supporting ribs are composed of a first supporting rib 25, a second supporting rib 27, and a third supporting rib 29, and are provided on the supporting surface 21 of the engine mount bracket 3. It arrange | positions in the site | part corresponding to the peripheral part 55 of the vehicle width direction right side edge part. Since these supporting ribs 25, 27, and 29 have a high height from the bottom surface 31 on the back surface side, the rigidity against the bending load input from the battery 33 to be placed to the battery tray 7 is increased.

  Further, as shown in FIG. 3, the engine mount bracket 3 has a support surface 21 formed on the outer peripheral side, and a concave portion 35 is formed on the inner peripheral side of the support surface 21. An engine mount component 37 projects upward at the center. The engine mount bracket 3 is provided with a U-shaped projection 39 and an outer projection 41 at portions corresponding to the positioning pins 17 and 19 of the battery tray 7. The U-shaped protrusion 39 and the outer protrusion 41 are respectively formed with U-shaped locking portions 43 and 45, and the positioning pins 17 and 19 of the battery tray 7 are locked to these locking portions 43 and 45. It is configured to be. Specifically, the first positioning pin 17 is locked to the locking portion 43 of the outer protrusion 41, and the second positioning pin 19 is locked to the locking portion 45 of the U-shaped protrusion 39.

  Below, the effect by 1st Embodiment is demonstrated.

  (1) In the battery support structure according to the present embodiment, the battery tray 7 is mounted on the support surface 21 of the engine mount bracket (vehicle body part) 3 in an overhanged state, and the battery 33 is placed on the battery tray 7. And a rib 11 having a substantially lattice shape in a plan view and projecting downward is provided on the lower surface of the battery tray 7. Of these ribs 11, the support surface 21 is provided on the outer side in the vehicle width direction. The height of the supporting ribs 25, 27, and 29 corresponding to the peripheral edge portion 55 is formed higher than that of the general ribs 23 disposed in the general portion.

  In the rib 11, the rigidity of the battery tray 7 increases as the height from the bottom surface 31, that is, the protruding length downward is larger. In particular, the bending rigidity with respect to the bending moment for bending the battery tray 7 is increased. Here, as shown in FIG. 3, when the battery tray 7 is supported on the engine mount bracket 3, the entire lower surface of the battery tray 7 is not supported by the engine mount bracket 3, and a part on the outer side in the vehicle width direction is overhanging. To do. Accordingly, when the heavy battery 33 is placed on the battery tray 7, the load of the battery 33 is applied to the overhanging portion of the battery tray 7. On the lower surface of the battery tray 7 corresponding to the peripheral edge portion 55 of the engine mount bracket 3, support ribs 25, 27, 29 higher than the general portion are disposed, and the bending rigidity is increased. Can sufficiently withstand the load. Thus, even when a part of the battery tray 7 is overhanged, the rigidity of the battery tray 7 can be improved without substantially increasing the weight or cost.

  (2) Since the battery tray 7 is composed of the tray body 9 and the ribs 11 and the ribs 11 are formed integrally with the tray body 9, the ribs 11 can be easily formed and the ribs 11 Stiffness is also increased.

[Second Embodiment]
Next, a battery support structure according to a second embodiment of the present invention will be described. In addition, the same code | symbol is attached | subjected to the site | part of the same structure as the said 1st Embodiment, and the description is abbreviate | omitted.

  FIG. 6 is a perspective view showing a state where a battery and a battery tray are attached to an engine mount bracket according to the second embodiment of the present invention.

  A battery tray 7 is attached on the side member 1 via an engine mount bracket 103.

  A battery 33 is placed on the battery tray 7, and a pressing plate 47 extending in the vehicle front-rear direction is extended above the battery 33, and below the support surface 21 of the engine mount bracket 3 that supports the battery tray 7. Is provided with a pressing plate 49 extending in the front-rear direction. Both front and rear ends of these pressing plates 47 and 49 are connected via connecting rods 51 and 51, and at the same time, the holding plate 47 and 49 hold the battery 33 in the vertical direction.

  Moreover, the broken line of FIG. 6 is a straight line which connects the connecting rods 51 and 51 arrange | positioned forward and backward. The first positioning pin 17 described above is arranged on this straight line, and the first positioning pin 17 is locked to the locking portion 43 (see FIG. 3) of the outer protrusion 41 of the engine mount bracket 3.

  Below, the effect by 2nd Embodiment is demonstrated.

  (1) The battery 33 is placed on the battery tray 7, a pressing plate 49 is disposed below the support surface 21 of the engine mount bracket 3, and a pressing plate 47 is disposed on the battery 33. The pressing plates 47 and 49 are connected to each other through connecting rods 51 and 51. Further, a first positioning pin 17 for supporting the battery tray 7 on the engine mount bracket 3 is formed on the lower surface of the battery tray 7, and the pressing plate 47 is disposed above the first positioning pin 17, so that the battery 33 and the battery tray 7 are sandwiched.

  When the battery 33 and the battery tray 7 are attached to the engine mount bracket 3 via the connecting rods 51 and 51 and the holding plates 47 and 49, a load is applied to a linear portion connecting the lower ends of the connecting rods 51 and 51. . Therefore, by arranging the first positioning pins 17 on this straight line, the support rigidity of the battery 33 and the battery tray 7 can be efficiently increased.

1 ... Side member 3,103 ... Engine mount bracket (body parts)
7 ... Battery tray 9 ... Tray body 11 ... Rib 17 ... Positioning pin (supporting part)
21 ... Support surface 23 ... General rib 25,27,29 ... Support rib 33 ... Battery 47,49 ... Presser plate (mounting member)
51, 51 ... Connecting rod (mounting member)
55 ... Rim

Claims (2)

A battery tray is mounted on the support surface of the vehicle body part in an overhanging state from the support surface, and a battery support structure for mounting and supporting the battery on substantially the entire surface of the battery tray,
A rib having a substantially lattice shape in plan view protruding downward is provided on the lower surface of the battery tray, and among these ribs, the height of the supporting rib corresponding to the peripheral edge portion of the supporting surface is arranged in the general part. higher form than the use ribs,
While sandwiching the battery and the battery tray to the vehicle body parts via an attachment member,
A battery support characterized in that a support portion for supporting the battery tray on the vehicle body part is formed on the lower surface of the battery tray, and the mounting member is disposed at portions corresponding to the upper and lower portions of the support portion. Construction. The battery support structure according to claim 1 , wherein the battery tray includes a tray body and a rib, and the rib is formed integrally with the tray body.

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