# US 11,027,780 B2 · Vehicle front portion structure

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- Number: US 11,027,780 B2
- Document ID: US11027780B2
- Status: Granted
- Kind: B2
- Application number: 16/528,999
- Filed: 2019-08-01
- Published: 2020-02-13
- Granted: 2021-06-08
- Earliest claimed: 2018-08-07
- Assignees: Toyota Jidosha Kabushiki Kaisha
- Applicants: Toyota Jidosha Kabushiki Kaisha
- Inventors: Tatsuya Ayukawa
- Web page: https://patentgrep.com/patent/US11027780B2

## CPC

- B62D 21/152: {Front or rear frames}
- B62D 25/082: {Engine compartments}
- B21C 23/002: {Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences}
- B62D 25/025: {Side sills thereof}
- B62D 25/04: Door pillars {; windshield pillars}
- B62D 25/14: Dashboards as superstructure sub-units (other dashboard aspects B60K)
- B62D 25/145: {having a crossbeam incorporated therein}
- B62D 27/023: {Assembly of structural joints}
- B62D 29/008: {predominantly of light alloys, e.g. extruded}
- B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M)
- B21C: MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL

## Abstract

A reinforcing plate is provided between an inner central portion that structures a portion of a connecting member and a rear end portion of a dash cross-member. The reinforcing plate is a wrought member and is joined (at a join portion) to both the inner central portion and a rear wall portion of the dash cross-member via joining members. Because the wrought member has high tensile strength, when the reinforcing plate is provided at the join portion of the connecting member, a tensile load acting on the join portion may be borne by the reinforcing plate, and breakage of the connecting member may be suppressed. Therefore, an impact load transmitted from a front side member through the connecting member may be transmitted to the dash cross-member and rockers.

## Claims

### Claim 1

A vehicle front portion structure comprising:
a front side member that extends in a vehicle front-and-rear direction, at a front portion of the vehicle;
a dash cross-member that extends in a vehicle width direction, at the vehicle rear side of the front side member;
a rocker that extends in the vehicle front-and-rear direction, at the vehicle rear side and at a vehicle width direction outer side of the front side member;
a connecting member that is joined to the front side member, the dash cross-member and the rocker, at least a portion of the connecting member being a cast member; and
a reinforcing portion that is provided at a region of the connecting member at which a tensile load acts when an impact load is transmitted from the front side member to the connecting member during a front collision of the vehicle, the reinforcing portion reinforcing this region.

### Claim 2 (depends on 1)

The vehicle front portion structure according to claim 1, wherein the reinforcing portion includes a reinforcing member that is disposed at the vehicle rear side of a join portion at which the connecting member is joined to the dash cross-member, the reinforcing member being a wrought member.

### Claim 3 (depends on 1)

The vehicle front portion structure according to claim 1, wherein the connecting member includes:
an inner portion that includes a vehicle front-and-rear direction rear portion of the connecting member; and
an outer portion that includes a vehicle front-and-rear direction front portion of the connecting member, the outer portion being joined to the inner portion.

### Claim 4 (depends on 2)

The vehicle front portion structure according to claim 2, wherein the connecting member includes:
an inner portion that includes a vehicle front-and-rear direction rear portion of the connecting member; and
an outer portion that includes a vehicle front-and-rear direction front portion of the connecting member, the outer portion being joined to the inner portion.

### Claim 5 (depends on 3)

The vehicle front portion structure according to claim 3, wherein the reinforcing portion includes the outer portion, the outer portion being a wrought member.

### Claim 6 (depends on 4)

The vehicle front portion structure according to claim 4, wherein the reinforcing portion includes the outer portion, the outer portion being a wrought member.

### Claim 7 (depends on 5)

The vehicle front portion structure according to claim 5, wherein:
the outer portion is joined to the rocker, and
the reinforcing portion includes a first superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the rocker, and is joined to the rocker via a joining member.

### Claim 8 (depends on 6)

The vehicle front portion structure according to claim 6, wherein:
the outer portion is joined to the rocker, and
the reinforcing portion includes a first superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the rocker, and is joined to the rocker via a joining member.

### Claim 9 (depends on 5)

The vehicle front portion structure according to claim 5, wherein:
the inner portion is joined to the front side member and the dash cross-member, and
the reinforcing portion includes a second superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the inner portion joined to the front side member and the dash cross-member, and is joined to the inner portion via a joining member.

### Claim 10 (depends on 6)

The vehicle front portion structure according to claim 6, wherein:
the inner portion is joined to the front side member and the dash cross-member, and
the reinforcing portion includes a second superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the inner portion joined to the front side member and the dash cross-member, and is joined to the inner portion via a joining member.

### Claim 11 (depends on 7)

The vehicle front portion structure according to claim 7, wherein:
the inner portion is joined to the front side member and the dash cross-member, and
the reinforcing portion includes a second superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the inner portion joined to the front side member and the dash cross-member, and is joined to the inner portion via a joining member.

### Claim 12 (depends on 8)

The vehicle front portion structure according to claim 8, wherein:
the inner portion is joined to the front side member and the dash cross-member, and
the reinforcing portion includes a second superposed portion that is formed at a lower end portion of the outer portion, is bent back toward the vehicle front-and-rear direction rear side along a lower wall portion of the inner portion joined to the front side member and the dash cross-member, and is joined to the inner portion via a joining member.
