Battery unit mounting structure

Patent metadata

Field	Value
Publication number	US-9517687-B2
Application number	US-201615052014-A
Country	US
Kind code	B2
Filing date	Feb 24, 2016
Priority date	Mar 6, 2015
Publication date	Dec 13, 2016
Grant date	Dec 13, 2016

Abstract

A battery unit mounting structure includes a pair of right and left vehicle body frame members extending in a vehicle front-rear direction, a pair of right and left side members extending in the vehicle front-rear direction, a battery unit disposed between the right and left side members, and a reinforcement. The right and left vehicle body frame members are disposed respectively at right and left outer side portions of a vehicle body in a vehicle-width direction. The right and left side members are connected respectively to inner sides of the right and left vehicle body frame members in the vehicle-width direction. The reinforcement is disposed on a bottom or top surface of the battery unit, and disposed at a position at which the reinforcement overlaps with the battery unit in a plan view. The reinforcement extending in the vehicle-width direction is longer than the battery unit in the vehicle-width direction.

First claim

What is claimed is:

1. A battery unit mounting structure comprising:
a pair of right and left vehicle rockers extending in a vehicle front-rear direction, the right and left vehicle rockers being disposed respectively at right and left outer side portions of a vehicle body in a vehicle-width direction;
a pair of right and left side members extending in the vehicle front-rear direction, the right and left side members being connected respectively to inner sides of the right and left vehicle rockers in the vehicle-width direction;
a battery unit disposed between the right and left side members; and
a reinforcement disposed on a bottom surface or a top surface of the battery unit, the reinforcement being disposed at a position at which the reinforcement overlaps with the battery unit in a plan view, and the reinforcement having a width in the vehicle-width direction that is longer than a width of the battery unit in the vehicle-width direction, wherein
each of the right and left vehicle rockers is hollow and forms a closed space when viewed in cross-section so as to absorb a lateral collision force, and
the reinforcement is disposed at a position at which the reinforcement overlaps with the closed spaces of the right and left vehicle rockers in a vehicle-height direction.

2. The battery unit mounting structure according to claim 1 , wherein the reinforcement is fixed to the battery unit at or near a center of the battery unit in the vehicle front-rear direction.

3. The battery unit mounting structure according to claim 1 , further comprising a pair of right and left gussets, each of the gussets having an inner end portion in the vehicle-width direction connected to a corresponding one of outer end portions of the reinforcement in the vehicle-width direction, and each of the gussets having an outer end portion in the vehicle-width direction connected to a corresponding one of the right and left side members.

4. The battery unit mounting structure according to claim 1 , wherein the reinforcement is a rod.

5. The battery unit mounting structure according to claim 1 , wherein each of the right and left side members is hollow so as to absorb the lateral collision force.

6. The battery unit mounting structure according to claim 1 , further comprising a floor panel attached between inner sides of the right and left side members in the vehicle-width direction, the floor panel including a recess into which the battery unit and the reinforcement are disposed, left and right side surfaces of the battery unit in the vehicle-width direction being spaced from left and right side surfaces of the recess in the vehicle-width direction.

7. A battery unit mounting structure comprising:
a pair of right and left vehicle rockers extending in a vehicle front-rear direction, the right and left vehicle rockers being disposed respectively at right and left outer side portions of a vehicle body in a vehicle-width direction;
a battery unit disposed between the right and left vehicle rockers; and
a reinforcement disposed on a bottom surface or a top surface of the battery unit, the reinforcement being disposed at a position at which the reinforcement overlaps with the battery unit in a plan view, and the reinforcement having a width in the vehicle-width direction that is longer than a width of the battery unit in the vehicle-width direction, wherein
each of the right and left vehicle rockers is hollow and forms a closed space when viewed in cross-section so as to absorb a lateral collision force, and
the reinforcement is disposed at a position at which the reinforcement overlaps with the closed spaces of the right and left vehicle rockers in a vehicle-height direction.

8. The battery unit mounting structure according to claim 7 , wherein the reinforcement is fixed to the battery unit at or near a center of the battery unit in the vehicle front-rear direction.

9. The battery unit mounting structure according to claim 7 , further comprising a pair of right and left gussets, each of the gussets having an inner end portion in the vehicle-width direction connected to a corresponding one of outer end portions of the reinforcement in the vehicle-width direction, and each of the gussets having an outer end portion in the vehicle-width direction connected to a corresponding one of the right and left vehicle rockers.

10. The battery unit mounting structure according to claim 7 , wherein the reinforcement is a rod.

11. The battery unit mounting structure according to claim 7 , further comprising a floor panel attached between inner sides of the right and left vehicle rockers in the vehicle-width direction, the floor panel including a recess into which the battery unit and the reinforcement are disposed, left and right side surfaces of the battery unit in the vehicle-width direction being spaced from left and right side surfaces of the recess in the vehicle-width direction.

Assignees

• Toyota Motor Co Ltd

Inventors

• Nakajima Jun

Classifications

• B60K1/04 Primary

  of the electric storage means for propulsion · CPC title

• B60K2001/0416

  Arrangement in the rear part of the vehicle · CPC title

• B62D21/157

  for side impacts · CPC title

• B62D25/20 Primary

  Floors or bottom sub-units {(sub-frames for mounting engine or suspensions B62D21/11; drip trays F16N31/006)} · CPC title