WO2014097513A1 - Structure de carrosserie de véhicule - Google Patents

Structure de carrosserie de véhicule Download PDF

Info

Publication number
WO2014097513A1
WO2014097513A1 PCT/JP2013/005429 JP2013005429W WO2014097513A1 WO 2014097513 A1 WO2014097513 A1 WO 2014097513A1 JP 2013005429 W JP2013005429 W JP 2013005429W WO 2014097513 A1 WO2014097513 A1 WO 2014097513A1
Authority
WO
WIPO (PCT)
Prior art keywords
cross member
pair
joined
frame
vehicle body
Prior art date
Application number
PCT/JP2013/005429
Other languages
English (en)
Japanese (ja)
Inventor
芝田　泰之
博大 山田
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Publication of WO2014097513A1 publication Critical patent/WO2014097513A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/088—Details of structures as upper supports for springs or dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded

Definitions

  • the present invention relates to a vehicle body structure of an automobile, and more particularly to an automobile body structure having a front wheel drive source and a rear wheel drive source before and after the vehicle body.
  • a vehicle body front structure As a vehicle body front structure, a pair of left and right front side frames (front side members) extending front and rear in the front of the vehicle body, a first cross member spanned between the front end portions of the left and right front side frames, A front damper housing (strut tower) erected on each of the front side frames, an upper cross member spanned between the upper front sides of the front damper housing, and the left and right front side frames behind the upper cross member Some have a lower cross member spanned and a support stay spanned between the upper cross member and the lower cross member (for example, Patent Document 1). Such a vehicle body front structure increases rigidity by providing an upper cross member and a lower cross member in the vicinity of the front damper housing, and suppresses deformation of the front side frame in the left-right direction.
  • the front wheel drive source for driving the front wheels and the rear wheel drive source for driving the rear wheels are provided in the vehicle body, it is advantageous in terms of layout if the front and rear positions of the wheels and the drive source are matched. Therefore, an arrangement space for the front wheel drive source and the rear wheel drive source is required in the vicinity of the front damper housing and the rear damper housing.
  • the structure that supports the drive source has a rigidity that can resist the rotational moment (torque) generated in the drive source. I need it. If the rigidity of the structure that supports the drive source is low, steering stability may be reduced.
  • the present invention has been made in view of the above background, and an object of the present invention is to increase the rigidity of a vehicle body structure in a vehicle body structure having a front wheel drive source and a rear wheel drive source before and after the vehicle body.
  • the present invention provides a pair of left and right front side frames (6) extending front and rear at a front portion of a vehicle body (1), and a pair of left and right front damper housings joined to the front side frames.
  • a front frame structure (40) having a frame shape with an opening facing front and rear, joined to an intermediate portion in the front-rear direction of the pair of left and right front side frames on the front side of the front damper housing,
  • a pair of left and right rear frames (68) extending front and rear at the rear, a middle cross member (64) extending left and right and joined to the pair of left and right rear frames, and the rear frame behind the middle cross member
  • the front frame structure increases the rigidity of the structure near the front damper housing where the front wheel drive source is disposed
  • the rear frame structure is the rigidity of the structure near the rear damper housing where the rear wheel drive source is disposed.
  • the rigidity of each member constituting the vehicle body can be reduced, the weight can be reduced by using a member made of an aluminum alloy or the like, and the use of an extruded material can be achieved.
  • the front underframe (8) includes a front upper cross member (41) extending in the left-right direction and joined to the pair of left and right front upper members, and extending in the left-right direction.
  • the front side frame and the front under Frame and may have a pair of left and right front lower side member for coupling (45).
  • the front frame structure connects the left and right front side frames, the left and right front upper members, and the left and right front under frames, so that the rigidity of the vehicle body is improved.
  • the front frame structure has a front upper side member and a front lower side member at the left and right portions extending vertically, the front side frame, the front upper member, and the front under frame are also biased relative to each other in the left-right direction.
  • the front upper side member and the front lower side member can be linear. When the front upper side member and the front lower side member are formed linearly, these members can be formed of an extruded material.
  • the front frame structure may have a front middle cross member that extends in the left-right direction and is joined to the pair of left and right front side frames.
  • the front middle cross member is provided so as to divide the frame shape (ring structure) by the front frame structure into two vertically, the rigidity of the front frame structure can be increased. Thereby, the front frame structure can obtain sufficient rigidity even if the left and right portions are divided into the front upper side member and the front lower side member.
  • the front lower cross member is arranged to be biased rearward from the front middle cross member, and the vehicle body structure extends to the left and right, and the pair of left and right front sides at the rear of the front damper housing.
  • a first cross member (26) joined to the frame, extending in a left-right direction with respect to the front-rear direction, and in a front-rear direction of the center part of the first cross member in the left-right direction and the pair of left and right front side frames You may have a pair of left and right front reinforcing members (47) joined to the front lower cross member and the corresponding part.
  • the rigidity of the front rigidity of the vehicle body is increased by the front reinforcing member and the first cross member. Therefore, sufficient rigidity can be obtained even if the front lower cross member is disposed rearward with respect to the front upper cross member.
  • each element of the front frame structure including the front upper cross member, the front lower cross member, the front upper side member, the front lower side member, and the front middle cross member is It may include a portion having a constant cross-sectional shape, and may be joined to another element so as to abut against each end.
  • the extruded material can be applied to each element included in the front frame structure.
  • the front upper side member is joined to the front upper cross member at an upper end portion and joined to the front side frame at a lower end portion
  • the front lower side member is joined to the front middle cross member at an upper end portion. It may be joined to the front underframe at the lower end.
  • each member included in the front frame structure can be straightened. Extrusion material can be applied to.
  • the pair of left and right rear damper housings includes a rear damper base (71) for supporting an upper end portion of a damper for supporting a rear wheel, the damper base and the rear frame for reinforcing the damper housing.
  • the rear frame structure includes a rear upper cross member (76, 77) that extends to the left and right and is joined to the pair of left and right rear damper bases, and the pair of left and right pairs.
  • a rear lower cross member (120) that extends left and right below the rear frame and connects the pair of left and right rear frames to each other, and the rear side member may be included.
  • the rear frame structure is formed including the rear damper housing in part, the rigidity in the vicinity of the rear damper housing of the vehicle body is increased. As a result, the steering stability of the vehicle body is improved and the output of the rear wheel drive source can be increased.
  • the pair of left and right upper ends formed in an X shape when viewed from the front and rear direction are joined to the rear upper cross member at the upper left and right upper ends, and the pair of left and right lower ends disposed at the lower side
  • the first rear reinforcing member (91) is joined to the rear side member.
  • the rigidity of the rear frame structure is increased, and the torsion of the rear portion of the vehicle body with respect to the longitudinal axis is suppressed.
  • the above-mentioned invention has a subframe (100) joined to the lower part of the pair of left and right rear frames, and the rear lower cross member is joined to the subframe, and the pair of left and right pairs via the subframe.
  • a rear frame may be connected.
  • the rear lower cross member can be sub-assembled to the sub frame, and the rear lower cross member can be easily assembled to the vehicle body.
  • the rear lower cross member may include a cast body having a recess, and a plate-like body that is disposed so as to close the recess and is bolted to the cast body.
  • the cross section of the rear lower cross member can be a closed cross section, and the rigidity can be increased.
  • a pair of left and right second rear reinforcing members (130) joined to an intermediate portion in the left and right direction of the rear lower cross member and the pair of left and right rear frames may be provided.
  • the joining structure between the rear frame and the rear lower cross member is strengthened, and the rigidity of the rear frame structure is increased.
  • the rear upper cross member extends from side to side and is joined to the rear damper base and is disposed rearward from the front rear upper cross member and extends from side to side.
  • the rigidity is improved and the gap between the pair of front and rear rear upper cross members can be used as a vent hole.
  • the rear damper base includes a front seat (78) for supporting an end portion of the front rear upper cross member, and a rear seat (79) for supporting an end portion of the rear rear upper cross member.
  • the front rear upper cross member may be welded to the front side seat, and the rear rear upper cross member may be welded to the rear side seat.
  • the front rear upper cross member may support an engine lid, and the rear rear upper cross member may support a trunk lid.
  • the pair of left and right rear upper members (61) extending forward and backward over the pair of left and right rear frames, joined to the pair of left and right rear damper bases, and extending left and right in front of the rear damper base,
  • An upper middle cross member (65) joined to the pair of left and right rear upper members, and a pair of left and right front ends that are formed in an X shape when viewed from above and below and joined to the upper middle cross member.
  • a pair of left and right rear end portions arranged on the rear side may have a third rear reinforcing member (145) joined to the pair of left and right rear damper bases.
  • the rigidity of the rear structure and the rear damper housing is increased by the third rear reinforcing member.
  • the first rear reinforcing member is fastened to a bracket projecting from the lower surface of the rear upper cross member at the pair of left and right upper ends, and the pair of rear side members at the pair of left and right lower ends. Fastened to the rear.
  • the first rear reinforcing member can be easily attached.
  • the rigidity of the vehicle body structure can be enhanced in the vehicle body structure of the automobile having the front wheel drive source and the rear wheel drive source before and after the vehicle body.
  • the perspective view of the front part structure of the vehicle body concerning an embodiment
  • the perspective view of the rear part structure of the vehicle body concerning an embodiment Plan view of the vehicle body according to the embodiment
  • the perspective view which expands and shows the front part structure of a vehicle body Front view of the front structure of the car body
  • the perspective view which expands and shows the rear part structure of a vehicle body Side view showing rear structure of vehicle body Rear view showing the main part of the rear structure of the vehicle body
  • Perspective view showing the structure around the rear damper housing
  • the perspective view which shows the joining structure of a rear frame, a sub-frame, and a rear lower frame Cross section of rear lower frame Bottom view showing the rear structure of the car body
  • the vehicle body 1 is applied to a four-wheeled vehicle.
  • the forward direction of the vehicle body 1 is set to the front, and the left, right, and top and bottom are determined based on the state facing the front (see FIG. 1).
  • Each element (for example, a front side frame 6 to be described later) constituting the vehicle body 1 described below is formed of a pressed material, an extruded material, or a cast material of a rolled material made of steel or an aluminum alloy unless otherwise specified. ing.
  • Each element may be formed by joining a press material, an extruded material, and a cast material to each other.
  • a member whose cross section (cross section perpendicular to the longitudinal direction) has a closed cross section includes a cylindrical body and a pipe material, and the cross section is made into a closed cross section by joining a press material, or molding From time to time, an extruded material having a cross section formed into a closed cross section is included.
  • joining refers to spot welding, arc welding (TIG welding, MIG welding), laser welding, etc., fastening with bolts or SPR (Self-Piercing Riveting), friction stir welding, adhesion with adhesive, etc. Including coupling by known coupling means.
  • FIG. 1 is a perspective view of a front structure of a vehicle body 1 according to the embodiment
  • FIG. 2 is a perspective view of a rear structure of the vehicle body 1 according to the embodiment
  • FIG. 3 is a plan view of the vehicle body according to the embodiment. 4 is an enlarged perspective view showing the front structure of the vehicle body
  • FIG. 5 is a front view of the front structure 2 of the vehicle body.
  • the front structure 2 and the rear structure 3 of the vehicle body 1 have a symmetrical structure.
  • the front structure 2 constituting the front portion of the vehicle body 1 includes a pair of left and right front side frames 6 extending forward and backward through the front portion of the vehicle body 1, and a pair of left and right fronts.
  • An upper member 7 and a pair of left and right front under frames 8 are provided.
  • Each front upper member 7 is arranged above each front side frame 6 and on the outside in the left-right direction (vehicle outside), and each front under frame 8 is below each front side frame 6 and on the inside (center) in the left-right direction. Side).
  • the front side frame 6, the front upper member 7, and the front under frame 8 are extruded materials having a closed cross section with a transverse cross section (cross section orthogonal to the longitudinal direction).
  • the extruded material may have a partition partitioning a closed cross section into a plurality of rooms in order to increase rigidity.
  • the left and right front side frames 6 are slightly inclined with respect to the front side frame front portion 6A extending from the front side to the front side frame and the front side frame front portion 6A. It has a front side frame intermediate portion 6B that advances downward, and a front side frame rear portion 6C that is bent with respect to the front side frame intermediate portion 6B and advances downward as it goes backward.
  • the front side frame front portion 6A, the front side frame intermediate portion 6B, and the front side frame rear portion 6C are each formed from an extruded material and joined to each other.
  • the rear end portion of the front side frame front portion 6A and the front portion of the front side frame intermediate portion 6B are abutted and joined so as to have an angle with each other.
  • the front end portion of the front side frame rear portion 6C is joined to the lower surface of the rear end portion of the front side frame intermediate portion 6B. Thereby, the end surface of the rear end portion of the front side frame intermediate portion 6B is exposed rearward.
  • the front upper member 7 is bent at an intermediate portion in the front-rear direction, and the front portion is inclined inward (center side) in the left-right direction with respect to the rear portion.
  • the front part and the rear part of the front upper member 7 are formed of an extruded material, and are joined to each other at the intermediate part.
  • the front underframe 8 is formed of a member having a high rigidity such as a press material in the middle part in the front-rear direction, and formed of an extruded material having a front part and a rear part joined to the front part and the rear part of the middle part having a rigidity lower than that of the middle part. Yes.
  • each front side frame 6, each front upper member 7, and each front under frame 8 is formed in a rectangular frame shape, and an opening formed by the frame shape is formed in the front and rear directions.
  • a front bulkhead 10 is provided to face.
  • the front bulkhead 10 has a pair of left and right bulkhead side frames 11 that extend vertically, a bulkhead upper frame 12 that extends to the left and right and is joined to the upper end of each bulkhead side member at both ends thereof, and extends to the left and right. It has a bulkhead lower frame 13 joined to the lower end of each bulkhead side member at both ends.
  • Each element constituting the front bulkhead 10 is formed of an extruded material having a closed cross section with a square cross section.
  • FIG. 3 is a plan view of the vehicle body 1. As shown in FIG.
  • each front under frame 8 is disposed on the inner side in the left-right direction than the front end of each front side frame 6, and the front end of each front upper member 7 is each front side. It is arranged on the outer side in the left-right direction than the front end portion of the frame 6.
  • a rear end portion of a bumper stay 15 extending in the front-rear direction is joined to an intermediate portion in the vertical direction of each bulkhead side frame 11.
  • Each bumper stay 15 is an extruded material having a closed cross section, and the front end portion thereof is joined to the left end portion or the right end portion of the front bumper beam 16 extending left and right.
  • the front bumper beam 16 may be an extruded material having a cross section formed in a closed cross section.
  • a front damper housing 20 is stretched between the corresponding front upper member 7 and the front side frame intermediate portion 6B on the left and right.
  • the front damper housing 20 is formed in a semi-cylindrical shape with a dish-shaped front damper base 21 joined to the front upper member 7, and an upper edge is joined along an edge of the front damper base 21, while a lower
  • the front damper side wall 22 with the edge part joined to the front side frame 6 and the front damper side wall 22 are provided on the front and rear sides, respectively, and the upper end part is joined to the front upper member 7, while the lower end part extends linearly and the lower end part is the front part. It has a pair of front damper reinforcing members 23 joined to the side frames 6.
  • the front damper base 21 is an aluminum alloy casting material. In another embodiment, the front damper base 21 may be a steel pressed material. An upper end portion of a damper unit (not shown) of a front suspension (not shown) is attached to the front damper base 21.
  • the front damper side wall 22 is an extruded material of aluminum alloy, and has a plurality of partition walls extending in the longitudinal direction inside so that a cross section forms a plurality of chambers.
  • Each of the pair of front and rear front damper reinforcing members 23 is an extruded material of an aluminum alloy, and forms a closed cross section having a quadrangular cross section.
  • the pair of front and rear front damper reinforcing members 23 are joined to the front damper base 21 and the front damper side wall 22 at the side edges.
  • the rear end portions of the left and right front side frame middle portions 6B are joined to dashboard cross members 26 (first cross members) extending left and right, respectively.
  • the dashboard cross member 26 is an extruded material having a closed cross section with a square cross section.
  • the rear end portions of the front side frame intermediate portions 6B are joined so as to abut against the front surfaces of the left and right end portions of the dashboard cross member 26 from the front.
  • the left and right ends of the dashboard cross member 26 are connected to the left and right front pillars 28 by a pair of left and right dash side members 27.
  • the front pillar 28 is a member that demarcates the left and right ends of the front portion of the passenger compartment.
  • the front pillar lower 28A extends vertically, and the front pillar upper 28B extends obliquely upward and rearward from the upper end of the front pillar lower 28A. And have.
  • the front pillar lower 28 ⁇ / b> A and the front pillar upper 28 ⁇ / b> B are each formed of an extruded material having a cross section formed in a closed cross section.
  • the left and right dash side members 27 are formed of an extruded material whose cross section is formed as a closed cross section.
  • the left and right dash side members 27 have front end portions joined to left and right end portions of the dashboard cross member 26, extend linearly rearward from the front end and outward in the left-right direction, and a pair of left and right front pillar lowers at the rear end portion. It is joined to an intermediate portion in the vertical direction of 28A.
  • the upper end portion of each front pillar lower 28 ⁇ / b> A is joined to the rear end portion of the corresponding front upper member 7.
  • each front pillar lower 28A is joined to the front end portion of a pair of left and right side sills 30 extending forward and backward under the side portion of the vehicle body 1.
  • the side sill 30 is formed with a closed cross section.
  • the front end portion of each side sill 30 is connected to the rear end portion of the corresponding front under frame 8 on the left and right via a pair of left and right floor frames 32.
  • Each floor frame 32 is formed of an extruded material having a cross section formed in a closed cross section, and a rear end portion thereof is joined to a front end portion of each side sill 30 and extends forward and inward in the left-right direction. It is joined to the rear end of the underframe 8. Further, the rear ends of the front side frame rear portions 6 ⁇ / b> C corresponding to the left and right are joined to the middle portion of each floor frame 32 in the longitudinal direction.
  • a tunnel frame 34 extending in the front-rear direction is provided between the left and right side sills 30 and at the center of the vehicle body 1 in the left-right direction.
  • the tunnel frame 34 has a tunnel frame front part 34A provided on the front side and a tunnel frame rear part 34B provided on the rear side.
  • Each of the tunnel frame front portion 34A and the tunnel frame rear portion 34B is formed of a press material and has a groove shape whose cross section is open downward.
  • the tunnel frame rear portion 34B extends in the front-rear direction, and the rear end portion of the tunnel frame front portion 34A is joined to the front end portion thereof.
  • the tunnel frame front portion 34A has a flange portion 34C extending forward and upward from the rear end portion and facing the front side at the front end portion. Further, a reinforcing plate 34D that forms a closed cross section with the tunnel frame front portion 34A is joined to the lower surface of the front end portion of the tunnel frame front portion 34A (see FIG. 15). The front end portion of the tunnel frame 34 is joined to the center portion in the left-right direction of the dashboard cross member 26 at the flange portion 34C.
  • the rear end portions of the left and right front under frames 8 are connected to the rear end portions of the tunnel frame front portion 34A by the floor center frame 36.
  • the floor center frame 36 is formed of an extruded material having a cross section formed in a closed cross section, and is provided in a pair of left and right.
  • the floor center frame 36 is joined to the rear end portion of the front under frame 8 at the front end portion, extends rearward and inward in the left-right direction, and joined to the rear end portion of the tunnel frame front portion 34A at the rear end portion.
  • a plate-like dashboard lower 38 made of a press material is provided between the left and right front pillar lowers 28A.
  • the dashboard lower 38 is disposed such that the main surface thereof is generally directed front and rear, and the lower end portion is joined to the flange portion 34C of the tunnel frame front portion 34A, the left and right floor frames 32, and the rear portions of the left and right floor center frames 36.
  • the side edges are joined to the left and right front pillar lowers 28A, respectively.
  • the left and right front side frame rear portions 6C, the left and right dash side members 27, and the dashboard cross member 26 are joined to the front surface of the dashboard lower 38.
  • a plate-like dashboard upper 39 extending forward is provided.
  • left and right front side frames 6, left and right front upper members 7, and left and right front under frames 8 are joined between the front bulkhead 10 and the left and right front damper housings 20 in the front-rear direction.
  • a front frame structure 40 formed in a frame shape is provided.
  • the front frame structure 40 includes a front upper cross member 41, a front lower cross member 42, a front middle cross member 43, a pair of left and right front upper side members 44, and a pair of left and right front lower side members 45. It arrange
  • the front upper cross member 41 is made of an extruded material having a closed cross section with a square cross section, and extends in the left-right direction.
  • the left and right end portions of the front upper cross member 41 are provided with extension pieces 41A so that the front side surface and the rear side surface extend upward from the top surface.
  • the front upper cross member 41 is joined such that both left and right end portions including the extension piece 41A abut against the inner side surface of the left and right front upper members 7 in the left-right direction.
  • the front lower cross member 42 is made of an extruded material having a rectangular closed cross section with a long cross section in the front and rear directions, and extends left and right.
  • the front lower cross member 42 is joined such that both left and right end portions abut against the inner side surface in the left-right direction of the intermediate portion of the front under frame 8.
  • the front middle cross member 43 includes a pair of left and right end side front middle cross members 43A and a central front middle cross member 43B that connects the pair of left and right end side front middle cross members 43A.
  • the pair of left and right end side front middle cross members 43A is an extruded material formed in a rectangular closed cross section with a long horizontal cross section, and is joined to the inner side surface in the left and right direction of the left and right front side frame middle portion 6B. Projects inward in the left-right direction.
  • the center front middle cross member 43B is an extruded material formed in a rectangular closed cross section having a long horizontal cross section, and extends in the left-right direction and is open at both left and right ends.
  • Left and right end-side front middle cross members 43A are fitted into the left and right ends of the center front middle cross member 43B and joined by welding or the like.
  • Each of the front upper side members 44 is an extruded material formed with a closed cross section having a quadrangular cross section, and a lower end portion is joined so as to abut against an upper surface of the front side frame intermediate portion 6B, and extends upward and outward in the left-right direction.
  • the upper end portion is joined so as to abut against the lower surfaces of the left and right end portions of the front upper member 7.
  • Each front lower side member 45 is an extruded material having a closed cross section with a quadrangular cross section, and a lower end portion is joined so as to abut against an upper surface of an intermediate portion of the front under frame 8, extends upward, and an upper end portion
  • the pair of left and right end side front middle cross members 43 ⁇ / b> A are joined so as to abut against the lower surface.
  • the front upper cross member 41, the front middle cross member 43, the left and right front upper side members 44, and the left and right front lower side members 45 coincide with each other in the front-rear direction (overlap).
  • the front lower cross member 42 is arranged to be biased rearward from other members such as the front upper cross member 41 constituting the front frame structure 40 in plan view.
  • the front and rear opening defined by the front frame structure 40 is vertically divided into two by a front middle cross member 43.
  • each front side frame 6 and the dashboard cross member 26 are connected by a pair of left and right first front reinforcing members 47 spanned like a brace.
  • Each first front reinforcing member 47 is made of an extruded material having a closed cross section with a square cross section.
  • the rear end portion of the first front reinforcing member 47 is joined to a front side surface of an intermediate portion in the left-right direction of the dashboard cross member 26 so as to abut against a portion located in front of the tunnel frame front portion 34A.
  • the rear end portion of the first front reinforcing member 47 is disposed in portions corresponding to the left and right side portions of the front end portion of the tunnel frame front portion 34A in the front-rear direction.
  • Each first front reinforcing member 47 extends straight forward from the rear end portion to the outside in the left-right direction, and the front damper housing 20 and the front middle in the front-rear direction of the front side frame intermediate portion 6B corresponding to the front end portion in the left-right direction. It is located between the cross members 43 and joined so as to abut against the inner side surface in the left-right direction.
  • the left and right front damper bases 21 and the center portion in the left-right direction of the dashboard lower 38 are connected by a pair of left and right second front reinforcing members 48 that are stretched like braces.
  • Each first front reinforcing member 47 is made of an extruded material having a closed cross section with a square cross section.
  • the rear end portion of each second front reinforcing member 48 is bolted to a bracket 49 that is joined to the center portion of the dashboard lower 38 in the left-right direction.
  • Each of the second front reinforcing members 48 extends linearly from the rear end portion to the front and to the outside in the left-right direction, and the front end portion is bolted to a seat integrally formed with the front damper base 21.
  • the left and right side sills 30 extend rearward from the rear end portion of the tunnel frame rear portion 34B in the front-rear direction.
  • the rear end portion of the tunnel frame rear portion 34 ⁇ / b> B is connected to the left and right side sills 30 by a center floor cross member 51.
  • the center floor cross member 51 extends in a straight line from side to side, joined to the middle part of the left and right side sills 30 at both left and right ends, and joined to the rear end of the tunnel frame rear part 34B at the center in the left and right direction.
  • a floor panel 56 constituting the floor surface of the passenger compartment is provided in a portion surrounded by the first floor cross member 52, the second floor cross member 53, the tunnel frame 34, and the side sill 30, a floor panel 56 constituting the floor surface of the passenger compartment is provided.
  • the lower end portion of the center pillar 55 extending vertically is joined to the portion corresponding to the center floor cross member 51 in the front-rear direction of the left and right side sills 30.
  • the center pillar 55 has a center pillar lower 55A that forms the lower half and a center pillar upper 55B that forms the upper half.
  • the center pillar lower 55A is formed to have a larger width in the front-rear direction than the center pillar upper 55B.
  • the pair of left and right center pillars 55 are inclined inward in the left-right direction so as to be closer to each other as they move upward.
  • each front pillar upper 28B and the upper end of each center pillar upper 55B are connected by a pair of left and right front roof side rails 57 extending in the front-rear direction.
  • the upper ends of the left and right front pillar uppers 28B are connected to each other by a front roof rail 58 that extends to the left and right, and the upper ends of the left and right center pillar uppers 55B are connected to each other by a rear roof rail 59 that extends to the left and right.
  • the front end portion of the rear upper member 61 extending substantially linearly rearward is joined to the upper end portion of each center pillar lower 55A.
  • the pair of left and right rear upper members 61 are formed such that the transverse cross section forms a closed cross section, and incline inward in the left and right direction so as to approach each other as they move backward.
  • each side sill 30 forms a protruding portion 60 projecting inward in the left-right direction, and is wider than other portions in the front-rear direction.
  • the lower end of the rear pillar 62 is joined to the upper surface of each protrusion 60.
  • Each rear pillar 62 is made of an extruded material having a cross section formed in a closed cross section, joined at a lower end portion so as to abut against an upper surface of each projecting portion 60, and extends linearly upward from the lower end portion.
  • the upper ends of the rear pillars 62 are joined so as to abut against the lower surface of the rear end in the front-rear direction of the corresponding rear upper member 61 on the left and right.
  • the left and right rear pillars 62 are connected to each other by a middle cross member 64 and an upper middle cross member 65 that extend linearly from side to side.
  • the middle cross member 64 is joined to an intermediate portion in the vertical direction of each rear pillar 62 at the left and right ends thereof.
  • the upper middle cross member 65 is joined to the upper end portion of each rear pillar 62 at the left and right end portions thereof.
  • a plate-like partition panel 67 is provided on the front side of the middle cross member 64, the upper middle cross member 65, and the left and right rear pillars 62.
  • the partition panel 67 has a main surface facing substantially in the front-rear direction, and partitions the vehicle compartment and the rear space.
  • Each rear frame 68 includes a rear frame rear portion 68A extending linearly in the front-rear direction, a first rear frame front portion 68B extending outward from the front end portion of the rear frame rear portion 68A forward and in the left-right direction, and a front end portion of the rear frame rear portion 68A.
  • a second rear frame front portion 68C extending forward and inward in the left-right direction, and a third rear frame front portion 68D extending forward and downward in the left-right direction from the front end portion of the rear frame rear portion 68A.
  • the rear frame rear portion 68A, the first rear frame front portion 68B, the second rear frame front portion 68C, and the third rear frame front portion 68D each have a closed cross section with a substantially rectangular cross section, and the extruded material is disposed in the longitudinal direction. You may form by connecting.
  • Each second rear frame front portion 68 ⁇ / b> C is joined such that the front end portion abuts against the rear surface of the middle portion of the middle cross member 64 in the left-right direction.
  • Each first rear frame front portion 68 ⁇ / b> B has a front end portion that passes through a portion of the rear pillar 62 corresponding to a joint portion with the middle cross member 64 in the vertical direction, and is joined to the rear surface of the center pillar 55.
  • Each third rear frame front portion 68 ⁇ / b> D is joined such that the front end portion abuts against the rear surface in the vicinity of the lower end portion of the rear pillar 62.
  • the first rear frame front portion 68B and the third rear frame front portion 68D substantially overlap each other in plan view and are branched in side view.
  • FIG. 6 is an enlarged perspective view showing the rear structure of the vehicle body. As shown in FIGS. 2, 3 and 6, a rear damper housing 70 is spanned between the rear end portion of the corresponding rear upper member 61 and the rear frame rear portion 68 ⁇ / b> A on the left and right sides.
  • Each rear damper housing 70 is formed in a semi-cylindrical shape with a dish-shaped rear damper base 71 joined to the rear upper member 61, and an upper edge portion is joined along an edge portion of the rear damper base 71,
  • a rear damper side wall portion 72 whose lower edge portion is joined to the rear frame 68 and front and rear sides of the rear damper side wall portion 72 are provided respectively, and an upper end portion is joined to the rear upper member 61, while a linearly extending lower end portion is provided.
  • the rear damper base 71, the rear damper side wall 72, the front rear damper reinforcing member 73, and the rear rear damper reinforcing member 74 are each made of an aluminum alloy.
  • the rear damper base 71 is a cast material. In another embodiment, the rear damper base 71 may be a steel press material. An upper end portion of a damper unit (not shown) of a rear suspension (not shown) is attached to the rear damper base 71.
  • the rear damper side wall portion 72 is an extruded material, and has a plurality of partition walls extending in the longitudinal direction (vertical direction) inside so that a cross section forms a plurality of chambers.
  • the rear damper side wall portion 72 is joined to the rear damper base 71 so that the inner portion in the left-right direction of the upper end portion protrudes inward in the left-right direction with respect to the rear damper base 71 to form a stepped portion.
  • the front rear damper reinforcing member 73 and the rear rear damper reinforcing member 74 are extruded materials each having a rectangular cross section.
  • the pair of front and rear rear damper reinforcing members 73 and 74 are joined to the rear damper base 71 and the rear damper side wall 72 at their side edges.
  • the left and right rear damper bases 71 are connected by a pair of front and rear rear upper cross members 76 and 77 extending left and right.
  • the front rear upper cross member 76 and the rear rear upper cross member 77 are each formed of an extruded material having a rectangular cross section.
  • Each of the front rear upper cross member 76 and the rear rear upper cross member 77 has a slightly curved shape such that the center portion in the left-right direction protrudes rearward from the left and right end portions.
  • the front rear upper cross member 76 and the rear rear upper cross member 77 are disposed apart from each other in the front-rear direction, and are joined to the left and right rear damper bases 71 at the respective left and right end portions.
  • FIG. 9 is a perspective view showing the structure around the rear damper housing.
  • each rear damper base 71 includes a front receiving seat 78 that supports the end of the front rear upper cross member 76, and a rear receiving seat 79 that supports the end of the rear rear upper cross member 77. have.
  • the front receiving seat 78 projects inward in the left-right direction from the inner edge of the rear damper base 71 in the left-right direction.
  • the front seat 78 has a recess 78A that opens upward and opens to the protruding end in the longitudinal direction. That is, the front receiving seat 78 has a groove shape in which the base end is closed.
  • the front rear upper cross member 76 is fitted into the recess 78 ⁇ / b> A of the front receiving seat 78 at the end.
  • the front rear upper cross member 76 is described as moving in the left-right direction when its end abuts against the side wall on the base end side of the front receiving seat 78.
  • the front rear upper cross member 76 is welded by, for example, MIG welding in a state where the end portion is fitted in the front receiving seat 78 (see the shaded portion in FIG. 9).
  • the rear receiving seat 79 is a recess provided in the rear edge portion of the rear damper base 71, and extends from the bottom 79A facing upward and from the outside in the left-right direction of the bottom 79A to the inside in the left-right direction. It has an end wall portion 79B having a surface, and a side wall portion 79C that extends upward from the front side of the bottom portion 79A, extends left and right, and faces rearward.
  • the bottom portion 79A, the end wall portion 79B, and the side wall portion 79C define a recess that is open in three directions inside in the upper, rear, and left-right directions.
  • the rear seat 79 is disposed above the upper end portion of the rear rear damper reinforcing member 74 in the vertical direction.
  • the rear rear upper cross member 77 is supported by the concave portion of the rear receiving seat 79 so that the end portion abuts against the end wall portion 79B, and is welded by, for example, MIG welding at the contact portion between the side wall portion 79C and the bottom portion 79A (see FIG. (See the shaded area in 9).
  • a projecting piece 80 is formed on the inner edge portion of the rear damper base 71 in the left-right direction so as to protrude rearward, hits the front surface of the rear rear upper cross member 77 at the protruding end edge, and is welded by MIG welding ( (See the shaded portion in FIG. 9).
  • the rear rear upper cross member 77 is supported by the rear receiving seat 79, and its end is disposed above the rear rear damper reinforcing member 74.
  • the left and right rear damper bases 71 are connected to the rear end of the corresponding front roof side rail 57 and the rear roof side rail 81 on the left and right.
  • Each rear roof side rail 81 is joined to the rear end portion of the front roof side rail 57 at the front end portion, extends rearward and downward, and joined to the front edge portion of the rear damper base 71 at the rear end portion.
  • the left and right rear upper side members 82 are extruded materials having a closed cross section in cross section, and rear end portions thereof are connected to each other by a tail cross member 83.
  • the tail cross member 83 is an extruded material having a closed cross section, extends to the left and right, and is joined so as to abut against the inner side surface in the left and right direction of the rear end of each rear upper side member 82 at the left and right ends. ing.
  • An intermediate portion in the front-rear direction of the left and right rear upper side members 82 is connected to a rear end portion of the rear frame rear portion 68A corresponding to the left and right by a pair of left and right tail members 84.
  • Each tail member 84 is joined to the lower surface of the intermediate portion in the front-rear direction of the rear upper side member 82 at the front end portion, extends rearward and downward, and has a flange portion 85 formed at the rear end portion of the rear frame 68 at the rear end portion. It is joined to the front of the.
  • the front surfaces of the end portions of the left and right rear bumper beams 87 in the left-right direction are joined to the rear surfaces of the flange portions 85 of the left and right rear frames 68.
  • FIG. 14 is a perspective view showing a joint structure between the first rear reinforcing member and the rear rear upper member. As shown in FIGS.
  • a pair of brackets 92 projecting downward are joined to the lower surfaces of the left and right ends of the rear rear upper cross member 77.
  • End portions arranged at the upper left and upper right of the first rear reinforcing member 91 each have an opening, and the bracket 92 of the rear rear upper cross member 77 is received in the opening.
  • the upper left end and the upper right end of the first rear reinforcing member 91 are fastened to the bracket 92 by bolts.
  • the end portions disposed on the lower left and lower right sides of the first rear reinforcing member 91 face the rear surface of the intermediate portion in the vertical direction of the corresponding rear rear damper reinforcing member 74, respectively. And is fastened to the rear rear damper reinforcing member 74 by bolts.
  • FIG. 7 is a side view showing the rear structure of the vehicle body
  • FIG. 8 is a rear view showing the main part of the rear structure of the vehicle body.
  • a subframe 100 is provided below the left and right rear frames 68.
  • the subframe 100 includes an upper subframe 101, and a front lower subframe 102 and a rear lower subframe 103 that are provided below the upper subframe 101 and are bolted to the upper subframe 101, respectively.
  • the upper subframe 101 includes an upper subframe front portion 105 extending in the left-right direction, a pair of left and right upper subframe side portions 106 extending rearward from the vicinity of both ends of the upper subframe front portion 105 in the left-right direction, It has a pair of left and right upper subframe rear portions 107 extending upward from the rear end portion of the subframe side portion 106.
  • the upper sub-frame front portion 105, the left and right upper sub-frame side portions 106, and the upper sub-frame rear portion 107 are each formed in a groove shape whose cross section opens downward.
  • the upper subframe 101 may be formed from a cast material or a press material.
  • FIG. 10 is a perspective view showing a joining structure of the rear frame, the sub frame, and the rear lower frame.
  • each upper sub-frame rear portion 107 extends upward, then bends substantially at a right angle and extends rearward.
  • Each upper sub-frame rear portion 107 is provided at the lower end portion thereof, and is provided at the first rear wall portion 111 facing backward, the upper end portion, the upper wall portion 112 facing upward, and the rear end portion. It has the 2nd rear wall part 113 which faces.
  • the second rear wall portion 113 is disposed behind and above the first rear wall portion 111.
  • the upper subframe front portion 105 has its left and right end portions disposed below the protruding portion 60 at the rear end portion of the left and right side sills 30, and fastened to the protruding portion 60 by bolts that penetrate vertically. ing.
  • the upper wall 112 of the left and right upper subframe rear portion 107 is a truncated cone-shaped support portion 115 projecting downward from the lower wall of the left and right rear frame rear portion 68A. It is arrange
  • the left and right upper subframe side portions 106 are joined to the lower walls of the left and right rear frame rear portions 68A via brackets 116 at intermediate portions in the front-rear direction.
  • FIG. 12 is a bottom view showing the rear structure of the vehicle body.
  • the front lower subframe 102 extends in the left and right directions and has a shape extending rearward from both the left and right ends.
  • the front lower subframe 102 is disposed along the lower part of the front end portion of the upper subframe front portion 105 and the left and right upper subframe side portions 106, and is bolted to the upper subframe 101.
  • the front lower subframe 102 is disposed so as to cover the groove portion of the upper subframe 101.
  • the rear lower subframe 103 extends in the left-right direction and has a shape in which the central portion in the left-right direction protrudes forward and backward.
  • the rear lower subframe 103 is bolted to the left and right upper subframe side portions 106 at the left and right ends, and is bolted to the middle portion in the left-right direction of the front lower subframe 102 at the front end.
  • the rear end portion of the rear lower subframe 103 protrudes rearward in the front-rear direction from the left and right upper subframe rear portions 107.
  • FIG. 11 is a cross-sectional view of the rear lower frame.
  • the rear lower cross member 120 includes a front rear lower cross member 121 made of a cast material disposed on the front side, and a plate-shaped press material joined to the rear side of the front rear lower cross member 121.
  • the front rear lower cross member 121 has a concave portion 125 that opens rearward, and is formed in a groove shape that extends to the left and right.
  • a flange portion 123 facing rearward is formed on the upper edge and the lower edge of the front rear lower cross member 121.
  • the rear lower cross member 120 has a closed cross section.
  • a plurality of reinforcing ribs 124 project rearward from the bottom of the recess 125 of the front rear lower cross member 121.
  • the reinforcing rib 124 may be continuous with the side wall portion of the recess 125.
  • a first fastening portion 126 that is fastened to the first rear wall portion 111 is formed by a bolt that penetrates forward and backward.
  • the upper part of the left and right ends of the front rear lower cross member 121 extends outward in the left-right direction, abuts against the second rear wall 113 from the rear, and is fastened to the second rear wall 113 with bolts penetrating back and forth.
  • a second fastening portion 127 is formed.
  • the first fastening portion 126 is disposed in front of and below the second fastening portion 127.
  • the lower part of the front rear lower cross member 121 is bolted to the rear end portion of the rear lower subframe 103.
  • FIG. 13 is a perspective view showing a joining structure of the rear lower frame and the rear frame by the second rear reinforcing member.
  • the rear lower cross member 120 is connected to the left and right rear frame rear portions 68 ⁇ / b> A by a pair of left and right second rear reinforcing members 130.
  • a pair of left and right fastening seats 131 protruding upward are formed on the upper part of the front rear lower cross member 121.
  • Fastening seats 132 projecting inward in the left-right direction are formed on the inner side surfaces in the left-right direction of the left and right rear frame rear portions 68A.
  • Each of the second rear reinforcing members 130 has a closed cross section with a rectangular cross section, and both ends thereof are open.
  • Each of the second rear reinforcing members 130 receives a fastening seat 132 provided at the left and right rear frame rear portions 68A at one end (upper end), and is fastened by a bolt that penetrates both the second rear reinforcing member 130 and the fastening seat 132. Is done.
  • Each second rear reinforcing member extends downward and inward in the left-right direction from the joint with the rear frame 68.
  • Each of the second rear reinforcing members 130 receives a fastening seat 131 provided on the rear lower cross member 120 at the other end (lower end), and is fastened by a bolt that penetrates both the second rear reinforcing member 130 and the fastening seat 131. Is done.
  • the sub-frame rear portion 107 and the rear lower cross member 120 cooperate to form a frame-shaped rear frame structure 140.
  • the rear frame structure 140 includes the left and right rear damper housings 70.
  • the rear frame structure 140 has a quadrangular shape when viewed from the front-rear direction, and an opening formed by the frame shape faces the front-rear direction.
  • the first rear reinforcing member 91 and the second rear reinforcing member 130 are joined to the rear frame structure 140 to increase the rigidity of the rear frame structure 140.
  • the left and right rear damper base 71 and the upper middle cross member 65 are connected by a third rear reinforcing member 145 formed in an X shape when viewed in the vertical direction.
  • the third rear reinforcing member 145 is joined to the upper middle cross member 65 at the left front end portion and the right front end portion, and joined to the fastening seat 146 provided on the left rear damper base 71 at the left rear end portion. This is joined to a fastening seat 146 provided on the right rear damper base 71 at the portion.
  • a front wheel drive source 150 is supported on the front structure 2, and a rear wheel drive source 152 is supported on the rear structure 3.
  • the front wheel drive source 150 is an electric motor
  • the rear wheel drive source 152 is an electric motor or an internal combustion engine (engine).
  • the front wheel drive source 150 and the rear wheel drive source 152 may be a unit in which a reduction gear or a transmission is assembled to an electric motor or an internal combustion engine.
  • the front wheel drive source 150 is connected to left and right front wheels (not shown) via a drive shaft (not shown), and the rear wheel drive source 152 is connected to left and right rear wheels (not shown) via a drive shaft (not shown). Is done.
  • FIG. 15 is a cross-sectional view of the front structure of the vehicle body on which the front wheel drive source is mounted as viewed from the side.
  • the front wheel drive source 150 is disposed between the left and right front damper housings 20 in plan view. That is, the front wheel drive source 150 is disposed at a position overlapping the left and right front damper housings 20 in the front-rear direction.
  • the output shaft of the front wheel drive source 150 is arranged so as to be parallel to the left-right direction and overlap the front damper housing 20 in the front-rear direction.
  • Most of the front wheel drive source 150 is disposed between the front frame structure 40 and the dashboard lower 38 (dashboard cross member 26) in the front-rear direction.
  • the front wheel drive source 150 is disposed between the pair of left and right front side frames 6 in the left-right direction.
  • the front wheel drive source 150 is attached to the front structure 2 by a pair of left and right front support members 155 and a pair of left and right rear support members 156.
  • Each front support member 155 connects the front portion of the motor housing 158 of the front wheel drive source 150 and the front middle cross member 43.
  • Each rear support member 156 connects the rear portion of the motor housing 158 of the front wheel drive source 150 to the dashboard cross member 26 and the tunnel frame front portion 34A.
  • the rear wheel drive source 152 is disposed between the middle cross member 64 and the left and right rear damper housings 70 in the front-rear direction. Further, the rear wheel drive source 152 is disposed between the middle cross member 64 and the rear frame structure 140 in the front-rear direction. The rear wheel drive source 152 is placed on the subframe 100 via a support member (not shown) and is fastened to the subframe 100 with bolts or the like.
  • a space located between the middle cross member 64 and the rear frame structure 140 in the front-rear direction and between the left and right rear frames 68 in the left-right direction is referred to as a rear drive chamber 161.
  • a space located behind the rear frame structure 140 in the front-rear direction and between the left and right rear frames 68 in the left-right direction is referred to as a rear luggage compartment 162.
  • the rear frame structure 140 divides the rear structure 3 into two parts in the front and rear directions, and partitions the rear drive chamber 161 and the cargo room.
  • the upper part of the rear drive chamber 161 is covered with an engine lid (not shown).
  • the engine lid is supported by a hinge (not shown) attached to the front rear upper cross member 76 so as to be opened and closed.
  • the upper part of the rear luggage compartment 162 is covered with a trunk lid (not shown).
  • the trunk lid is supported by a hinge (not shown) attached to the rear rear upper cross member 77 so as to be opened and closed.
  • the rear edge of the engine lid and the front edge of the trunk lid are disposed above a gap defined between the front and rear of the front rear upper cross member 76 and the rear rear upper cross member 77.
  • the rigidity of the vehicle body 1 is enhanced by the front frame structure 40 and the rear frame structure 140.
  • the rigidity in the vicinity of the front damper housing 20 is enhanced.
  • the rear frame structure 140 so as to include the rear damper housing 70 the rigidity in the vicinity of the rear damper housing 70 is enhanced. Since the front damper housing 20 and the rear damper housing 70 receive reaction force from the road surface via the damper, it is preferable that the rigidity is high.
  • the front wheel drive source 150 is provided at a position corresponding to the front damper housing 20 in the front-rear direction so as to correspond to the front wheels.
  • the source 152 is provided at a position corresponding to the rear damper housing 70 in the front-rear direction so as to correspond to the rear wheel. Since the front wheel drive source 150 and the rear wheel drive source 152 receive reaction force from the road surface, the structure of the vehicle body 1 in the vicinity of the front damper housing 20 and the rear damper housing 70 is preferably highly rigid.
  • the front frame structure 40 and the rear frame structure 140 increase the rigidity of the vehicle body 1 near the front damper housing 20 and near the rear damper housing 70.
  • the front frame structure 40 and the rear frame structure 140 increase the rigidity in the vicinity of the front damper housing 20 and the rear damper housing 70, thereby suppressing the bending (twisting) of the vehicle body 1 and improving steering stability, and improving the front wheel.
  • the output of the drive source 150 and the rear wheel drive source 152 can be increased.
  • the front middle cross member 43 bisects the opening (closed cross section) facing the front and rear of the front frame structure 40 in the vertical direction to increase the rigidity of the front frame structure 40. Thereby, even if the front lower cross member 42 is disposed rearwardly with respect to the front upper cross member 41 and the like, the rigidity of the front frame structure 40 can be increased.
  • the front frame The structure 40 can form a frame shape with a simple structure.
  • the rear lower cross member 120 Since the rear lower cross member 120 is joined to the left and right rear frames 68 via the subframe 100, it can be assembled to the subframe 100 in advance. This facilitates the joining of the rear lower cross member 120 to the rear frame 68.
  • the rear upper cross members 76 and 77 are constituted by a front rear upper cross member 76 and a rear rear upper cross member 77 arranged in the front and rear, a gap between the front rear upper cross member 76 and the rear rear upper cross member 77 is formed. Can be used as vents. As a result, the rear wheel drive source 152 disposed in the rear drive chamber 161 can be cooled.
  • the front frame structure 40 may include the left and right front damper housings 20.
  • the front frame structure 40 is brought close to the front damper housing 20, and the front damper reinforcing member 23 is used as the front upper side member 44.
  • the front upper cross member 41 may connect the left and right front damper bases 21.
  • SYMBOLS 1 ... Car body, 2 ... Front part structure, 3 ... Rear part structure, 6 ... Front side frame, 7 ... Front upper member, 8 ... Front under frame, 10 ... Front bulkhead, 20 ... Front damper housing, 21 ... Front damper base 22 ... Front damper side wall, 23 ... Front damper reinforcing member, 26 ... Dashboard cross member, 28 ... Front pillar, 30 ... Side sill, 34 ... Tunnel frame, 34A ... Tunnel frame front, 40 ... Front frame structure, 41 ... Front upper cross member, 42 ... Front lower cross member, 43 ... Front middle cross member, 43A ... End side front middle cross member, 43B ... Center front middle cross member, 44 ...

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

[Problème] Accroître la rigidité d'une structure de carrosserie de véhicule dans la structure de carrosserie de véhicule d'une automobile comportant une source de traction avant et une source de propulsion arrière à l'avant et à l'arrière de la carrosserie de véhicule. [Solution] La présente invention comporte : une paire gauche-droite de longerons avant (6) ; une paire gauche-droite de logements (20) d'amortisseur avant qui sont chacun assemblés au longeron avant correspondant ; une structure avant (40) de châssis assemblée à la partie intermédiaire, dans la direction avant-arrière, de la paire gauche-droite de longerons avant, à l'avant des logements d'amortisseur avant ; une paire gauche-droite de cadres arrière (68) ; une traverse de milieu (64) qui est assemblée à la paire gauche-droite de cadres arrière ; une paire gauche-droite de logements (70) d'amortisseur arrière assemblés chacun au cadre arrière correspondant ; une structure arrière (140) de châssis intégrant les logements d'amortisseur arrière ; une source de traction avant (150) disposée entre la paire gauche-droite de logements d'amortisseur avant ; et une source de propulsion arrière (152) disposée entre la traverse de milieu et la structure arrière de châssis.
PCT/JP2013/005429 2012-12-21 2013-09-12 Structure de carrosserie de véhicule WO2014097513A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012278914 2012-12-21
JP2012-278914 2012-12-21

Publications (1)

Publication Number Publication Date
WO2014097513A1 true WO2014097513A1 (fr) 2014-06-26

Family

ID=50977883

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/005429 WO2014097513A1 (fr) 2012-12-21 2013-09-12 Structure de carrosserie de véhicule

Country Status (1)

Country Link
WO (1) WO2014097513A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017136877A (ja) * 2016-02-01 2017-08-10 本田技研工業株式会社 車体前部構造
FR3059630A1 (fr) * 2016-12-06 2018-06-08 Renault S.A.S Assemblage d'un berceau de vehicule sur caisse comportant une piece de fonderie
EP3305628A4 (fr) * 2015-05-29 2019-01-16 Guangzhou Automobile Group Co., Ltd Ensemble compartiment moteur d'automobile
JP2019123463A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP2019123462A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP2019123461A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP2019217905A (ja) * 2018-06-20 2019-12-26 本田技研工業株式会社 電動パーキングブレーキ用アクチュエータユニット及びこれを有する車両
JP2020050190A (ja) * 2018-09-27 2020-04-02 本田技研工業株式会社 車両構造
CN111907599A (zh) * 2020-08-14 2020-11-10 芜湖禾田汽车工业有限公司 一种全铝合金拼接副车架在底盘轻量化的应用
US20220161856A1 (en) * 2020-11-25 2022-05-26 Toyota Jidosha Kabushiki Kaisha Vehicle
FR3141430A1 (fr) * 2022-10-28 2024-05-03 Psa Automobiles Sa Ensemble de renfort avant pour véhicule automobile

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009001197A (ja) * 2007-06-22 2009-01-08 Honda Motor Co Ltd 車体後部構造
JP2012076506A (ja) * 2010-09-30 2012-04-19 Mazda Motor Corp 電気自動車のモータ搭載構造
JP2012148695A (ja) * 2011-01-20 2012-08-09 Honda Motor Co Ltd 車体前部構造
JP2012183980A (ja) * 2011-03-08 2012-09-27 Honda Motor Co Ltd インホイール型の車輪駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009001197A (ja) * 2007-06-22 2009-01-08 Honda Motor Co Ltd 車体後部構造
JP2012076506A (ja) * 2010-09-30 2012-04-19 Mazda Motor Corp 電気自動車のモータ搭載構造
JP2012148695A (ja) * 2011-01-20 2012-08-09 Honda Motor Co Ltd 車体前部構造
JP2012183980A (ja) * 2011-03-08 2012-09-27 Honda Motor Co Ltd インホイール型の車輪駆動装置

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3305628A4 (fr) * 2015-05-29 2019-01-16 Guangzhou Automobile Group Co., Ltd Ensemble compartiment moteur d'automobile
US10435076B2 (en) 2015-05-29 2019-10-08 Guangzhou Automobile Group Co., Ltd. Vehicle engine compartment assembly
JP2017136877A (ja) * 2016-02-01 2017-08-10 本田技研工業株式会社 車体前部構造
CN109982916A (zh) * 2016-12-06 2019-07-05 雷诺股份公司 车身上的车辆支架的包括铸件的组件
WO2018104119A1 (fr) * 2016-12-06 2018-06-14 Renault Sas Assemblage d'un berceau de véhicule sur caisse comportant une pièce de fonderie
FR3059630A1 (fr) * 2016-12-06 2018-06-08 Renault S.A.S Assemblage d'un berceau de vehicule sur caisse comportant une piece de fonderie
JP2019123463A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP2019123462A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP2019123461A (ja) * 2018-01-19 2019-07-25 マツダ株式会社 車両の後部車体構造
JP7036679B2 (ja) 2018-06-20 2022-03-15 本田技研工業株式会社 電動パーキングブレーキ用アクチュエータユニット及びこれを有する車両
JP2019217905A (ja) * 2018-06-20 2019-12-26 本田技研工業株式会社 電動パーキングブレーキ用アクチュエータユニット及びこれを有する車両
JP2020050190A (ja) * 2018-09-27 2020-04-02 本田技研工業株式会社 車両構造
JP7029374B2 (ja) 2018-09-27 2022-03-03 本田技研工業株式会社 車両構造
CN111907599A (zh) * 2020-08-14 2020-11-10 芜湖禾田汽车工业有限公司 一种全铝合金拼接副车架在底盘轻量化的应用
US20220161856A1 (en) * 2020-11-25 2022-05-26 Toyota Jidosha Kabushiki Kaisha Vehicle
CN114604316A (zh) * 2020-11-25 2022-06-10 丰田自动车株式会社 车辆
US11945504B2 (en) * 2020-11-25 2024-04-02 Toyota Jidosha Kabushiki Kaisha Vehicle
FR3141430A1 (fr) * 2022-10-28 2024-05-03 Psa Automobiles Sa Ensemble de renfort avant pour véhicule automobile

Similar Documents

Publication Publication Date Title
WO2014097513A1 (fr) Structure de carrosserie de véhicule
JP5827424B2 (ja) モータ搭載構造
JP4051011B2 (ja) 車体構造
JP3976198B2 (ja) 車体前部構造
JP2005067491A (ja) 車体構造
JP2008265653A (ja) 自動車の前部車体構造
JP4938716B2 (ja) 自動車の前部車体構造
WO2014069373A1 (fr) Structure de carrosserie d'automobile
JP2000016338A (ja) リヤダンパハウス構造
JP7106974B2 (ja) 車両の側部車体構造
JP2001039345A (ja) キャブ構造
JP2014000837A (ja) 自動車のｆｒｐ製キャビン
US11964696B2 (en) Structural frame for the body of a motor vehicle
US10926806B2 (en) Vehicle torque box assembly
JP3976199B2 (ja) 車体構造
JP2004338581A (ja) 車両の下部車体構造
JP5974418B2 (ja) 自動車の車体構造
JP2016112914A (ja) 車両の前部車体構造
JP3321065B2 (ja) 自動車の車体フレーム補強構造
JP3307857B2 (ja) 自動車の車体前端部構造
JP3315898B2 (ja) 自動車の車体端部構造
JP2002337734A (ja) 自動車のフロントピラー構造
JP4080461B2 (ja) 車体前部構造
WO2022024805A1 (fr) Structure de squelette de carrosserie de véhicule
WO2014007005A1 (fr) Cabine d'automobile constituée par une matière plastique renforcée par des fibres

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13865102

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13865102

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP