REAR PART STRUCTURE OF VEHICLE

• US 20160052556A1
• Filed: 08/24/2015
• Published: 02/25/2016
• Est. Priority Date: 08/25/2014
• Status: Active Grant

• Current Assignee: Mitsubishi Jidosha Engineering Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
• Original Assignee: Mitsubishi Jidosha Engineering Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
• Inventors: KANO, Hiroaki, TAKAHASHI, Satoru, NAKAMURA, Masato, ISOGAI, Toshiaki, OGITA, Atsushi, OHMA, Syunichiro, MIYAKE, Yuichi, INOUE, Hiroyuki, KATO, Muneaki, ARAI, Hiroki
• Granted Patent: US 9,623,911 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B62D 21/11 with resilient means for suspension , e.g. of wheels or engine; sub-frames for mounting engine or suspensions
• CPC Class Codes: B62D 21/155 Sub-frames or underguards
• CPC Class Codes: B62D 25/087 Luggage compartments
• CPC Class Codes: B62D 25/12 Parts or details thereof locks E05B, E05B83/16; devices for holding open E05C17/00, e.g. while carrying oversize objects E05C17/042; hinges E05D; counterbalancing means E05F; checks, stops, buffers E05F5/00; springs, e.g. pneumatic springs F16F
• CPC Class Codes: B62D 25/2027 the subunits being rear structures

Abstract

A rear part structure of a vehicle includes: a pair of right and left rear side members; a pair of side sills which are connected to the rear side members; a pair of sub frame side members respective one ends of which are connected to connecting parts between the rear side members and the side sills, the sub frame side members being extended to a rear side of the vehicle, in a manner inclined inward in a lateral direction of the vehicle; and a sub frame center member one end of which is connected to the other ends of the sub frame side members, the sub frame center member being extended to the rear side of the vehicle.

Claims

1. A rear part structure of a vehicle, the rear part structure comprising:

a pair of right and left rear side members;

a pair of side sills which are connected to the rear side members;

a pair of sub frame side members respective one ends of which are connected to connecting parts between the rear side members and the side sills, the sub frame side members being extended to a rear side of the vehicle, in a manner inclined inward in a lateral direction of the vehicle; and

a sub frame center member one end of which is connected to the other ends of the sub frame side members, the sub frame center member being extended to the rear side of the vehicle.

2. The rear part structure according to claim 1, wherein

the sub frame center member is a pair of members which are separated from each other in the lateral direction of the vehicle, and

the rear part structure further comprises a sub frame bumper beam which is extended in the lateral direction of the vehicle, and against which the other ends of the sub frame center members are butted.

3. The rear part structure according to claim 2, further comprising:

a rear floor cross member which is connected to the pair of the rear side members, and which is extended in the lateral direction of the vehicle; and

a sub frame cross member which interconnects one ends of the sub frame center members, wherein

the sub frame cross member is disposed in rear of the rear floor cross member in a position overlapped with respect to the rear floor cross member in a vertical direction of the vehicle.

4. The rear part structure according to claim 2, wherein

the sub frame bumper beam interconnects rear ends of the rear side members.

5. The rear part structure according to claim 3, wherein the sub frame bumper beam interconnects rear ends of the rear side members.

6. The rear part structure according to claim 1, wherein

the vehicle is an electric vehicle which is provided with a battery pack for driving the electric vehicle, and

the battery pack is positioned between the respective one ends of the sub frame side members.

7. The rear part structure according to claim 2, wherein

the vehicle is an electric vehicle which is provided with a battery pack for driving the electric vehicle, and

the battery pack is positioned between the respective one ends of the sub frame side members.

8. The rear part structure according to claim 3, wherein

the vehicle is an electric vehicle which is provided with a battery pack for driving the electric vehicle, and

the battery pack is positioned between the respective one ends of the sub frame side members.

9. The rear part structure according to claim 4, wherein

the vehicle is an electric vehicle which is provided with a battery pack for driving the electric vehicle, and

the battery pack is positioned between the respective one ends of the sub frame side members.