Structure for mounting batteries onto electric vehicles

• US 20080190679A1
• Filed: 01/24/2008
• Published: 08/14/2008
• Est. Priority Date: 01/26/2007
• Status: Active Grant

• Current Assignee: Mitsubishi Jidosha Engineering Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
• Original Assignee: Mitsubishi Jidosha Engineering Kabushiki Kaish, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
• Inventors: Sato, Kenichi, Takasaki, Seiichi, Nishino, Haruchika
• Granted Patent: US 7,931,105 B2
• Time in Patent Office: Days
• US Class Current: 180/68.5
• CPC Class Codes: B60K 1/04 of the electric storage means for propulsion exchanging batteries for electric propulsion of vehicles B60L53/80; for auxiliary purposes only B60R16/04; supplying batteries to, or removing batteries from, vehicles B60S5/06
• CPC Class Codes: B60K 2001/0472 from below
• CPC Class Codes: B60L 50/64 Constructional details of batteries specially adapted for electric vehicles
• CPC Class Codes: B60R 16/04 Arrangement of batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

A structure for mounting a battery onto an electric vehicle comprising: a body member, which is made from metal, forming a body of the electric vehicle a battery case, which is made from resin, containing the battery charging electric power for driving the electric vehicle; a framework member, which is made from metal, being embedded in the battery case; and a connecting member connecting between the framework member and the body member.

Claims

1. A structure for mounting a battery onto an electric vehicle comprising:

a body member, which is made from metal, forming a body of the electric vehicle;

a battery case, which is made from resin, including the battery containing electric power for driving the electric vehicle;

a framework member, which is made from metal, being embedded in said battery case;

a connecting member connecting between said framework member and said body member.

2. The structure for mounting the battery onto the electric vehicle according to claim 1 wherein

said body member includes

a pair of first body members extending in a longitudinal direction of the electric vehicle, and

a second body member, which connects said pair of first body members, extending in a transversal direction of the electric vehicle,

said battery case is disposed between said pair of first body members and is disposed rearward of said second body member,

said framework member includes

a front framework, and

a rear framework, which is independent from said front framework, being disposed rearward of said front framework,

said connecting member includes,

a pair of front second crash-proof blocks individually connecting said pair of first body members and said front framework, and

a pair of rear second crash-proof blocks individually connecting said pair of first body members and said rear framework.

3. The structure for mounting the battery onto the electric vehicle according to claim 2 wherein

said connecting member includes a first crash-proof block connecting between said front framework and said second body member.

4. The structure for mounting the battery onto the electric vehicle according to claim 3

wherein said front framework includes,

a first front frame being connected to one of said front second crash-proof blocks,

a second front frame being connected to another of said front second crash-proof blocks, and

a third front frame being disposed between said first front frames and said second front frames,

each of said first front frame, said second front frame and said third front frame being formed as individual elements,

wherein said first crash-proof block includes,

a front-A block, which is a metal block, connecting said second body member, said first front frame and said third front frame, and

a front-B block, which is a metal block, connecting said second body member, said second front frame and said third front frame.

5. The structure for mounting the battery onto the electric vehicle according to claim 4, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.

6. The structure for mounting the battery onto the electric vehicle according to claim 1 wherein

said connecting member includes a first crash-proof block connecting between said front framework and said second body member.

7. The structure for mounting the battery onto the electric vehicle according to claim 6

wherein said front framework includes,

a first front frame being connected to one of said front second crash-proof blocks,

a second front frame being connected to another of said front second crash-proof blocks, and

a third front frame being disposed between said first front frames and said second front frames,

each of said first front frame, said second front frame and said third front frame being formed as individual elements,

wherein said first crash-proof block includes,

a front-A block, which is a metal block, connecting said second body member, said first front frame and said third front frame, and

a front-B block, which is a metal block, connecting said second body member, said second front frame and said third front frame.

8. The structure for mounting the battery onto the electric vehicle according to claim 7, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.

9. The structure for mounting the battery onto the electric vehicle according to claim 6, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.

10. The structure for mounting the battery onto the electric vehicle according to claim 2

wherein said front framework includes,

a first front frame being connected to one of said front second crash-proof blocks,

a second front frame being connected to another of said front second crash-proof blocks, and

a third front frame being disposed between said first front frames and said second front frames,

each of said first front frame, said second front frame and said third front frame being formed as individual elements,

wherein said first crash-proof block includes,

a front-A block, which is a metal block, connecting said second body member, said first front frame and said third front frame, and

a front-B block, which is a metal block, connecting said second body member, said second front frame and said third front frame.

11. The structure for mounting the battery onto the electric vehicle according to claim 10, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.

12. The structure for mounting the battery onto the electric vehicle according to claim 2, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.

13. The structure for mounting the battery onto the electric vehicle according to claim 3, further comprising:

a first supporting member, which is a metal member fixed to a bottom of said battery case and is extended in a width direction of the electric vehicle, interconnecting between said pair of rear second crash-proof blocks,

wherein said rear framework includes,

a first rear frame being connected with one of said rear second crash-proof blocks which is fixed to one of said first body members,

a second rear frame being connected with another of said rear second crash-proof blocks which is fixed to another of said first body members and

a third rear frame being disposed between said first rear frame and said second rear frame,

each of said first rear frame, said second rear frame and said third rear frame being individual element,

said structure further comprising;

a battery holder, which is made from metal, supporting said battery and connecting between said third rear frame and said first supporting member.