JP2012214057A - Luggage door for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luggage door for a vehicle that can secure rigidity as a luggage door unit and enhance rigidity against push-up load from a strut tower without causing an increase in weight and cost.SOLUTION: A door inner panel 19 has a frame-like shape extending along an outer periphery of a door outer panel 18, and includes: an outer peripheral bead 19a in which a hinge mounting seat 19f and a lock mounting seat 19g are formed; and a pair of cross beads 19b continuously extending from the right and left rears 1a of the outer peripheral bead 19a in the vehicle width direction to the central part of the vehicle front 19d of the outer peripheral bead 19a in the vehicle width direction.

Description

  The present invention relates to a luggage door for a vehicle that opens and closes a luggage room formed on a vehicle body.

  In this type of luggage door, from the viewpoint of increasing the rigidity of the entire luggage door against external force, for example, Patent Document 1 discloses a V-shaped bead portion that connects the left and right hinge attachment portions and the lock attachment portion to the inner panel. The formed structure is disclosed.

  On the other hand, in a small vehicle having a restriction on the vehicle body size, a strut tower may be disposed at the left and right rear end portions of the rear vehicle body forming the luggage room. In this case, since the vehicle height of the entire vehicle body is also reduced, the distance between the left and right strut towers and the luggage door is shortened, and the thrust load from the strut tower is easily transmitted to the luggage door.

JP 2009-29290 A

  By the way, although the conventional structure can increase the rigidity of the luggage door as a single body, it does not take into account the above-mentioned thrusting load from the strut tower, and measures in this respect are necessary. In order to increase the rigidity against such push-up load, it is conceivable to newly add a reinforcing member to the luggage door and the rear vehicle body, but this causes a problem that the weight and cost increase.

  The present invention has been made in view of the above-described conventional situation, and can increase the rigidity against the thrust load from the strut tower while ensuring the rigidity of the luggage door as a single unit without increasing the weight and cost. It is an issue to provide a luggage door for use.

  The present invention includes a door outer panel having an exterior surface, and a door inner panel having a hinge mounting seat provided at the left and right sides in the vehicle width direction and a lock mounting seat provided at a vehicle width direction central portion at the rear of the vehicle. A luggage door for a vehicle in which a strut tower is disposed below the left and right rear portions in the vehicle width direction of the door inner panel, the door inner panel extending along the outer periphery of the door outer panel And the outer peripheral beads on which the hinge mounting seats and the lock mounting seats are formed, and the outer peripheral beads from the left and right rear portions in the vehicle width direction toward the vehicle width direction central portion of the front portion of the vehicle in the vehicle front direction. And a pair of cross beads extending.

  According to the vehicle luggage door of the present invention, the door inner panel has a frame shape along the outer peripheral portion of the door outer panel, and the outer peripheral bead on which the hinge mounting seat and the lock mounting seat are formed, and the vehicle width direction of the outer peripheral bead A pair of cross beads extending continuously from the left and right rear portions toward the vehicle width direction center of the front portion of the vehicle.

  Since it comprised in this way, the required rigidity as a luggage door single-piece | unit can be ensured. Further, the thrust load from the strut tower disposed below the left and right rear portions in the vehicle width direction can be received by the entire outer peripheral bead from the cross bead, and the rigidity of the entire luggage door against the thrust load can be increased. Thereby, since the luggage door also functions as a vehicle body rigid member, the addition of a reinforcing member for increasing the rigidity of the rear vehicle body can be eliminated or mitigated, and an increase in weight and cost can be suppressed.

It is a perspective view of the motor vehicle by which the luggage door by Example 1 of this invention was arrange | positioned. It is a perspective view of the rear vehicle body of the automobile. FIG. 5 is a sectional view of the rear vehicle body (a sectional view taken along line III-III in FIG. 4). It is a top view of the luggage door. It is sectional drawing (VV sectional view taken on the line of FIG. 4) of the said luggage door. It is a schematic block diagram of the door inner panel of the luggage door.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 to 6 are views for explaining a vehicle luggage door according to a first embodiment of the present invention. In the description of this embodiment, the terms front and rear and left and right mean front and rear and left and right when viewed in the vehicle forward direction while seated on the seat.

  In the figure, reference numeral 1 denotes a luggage door for opening and closing a luggage room R formed in the rear body 2 of the open car. This open car is a design with a low vehicle height, and therefore the luggage door 1 is located in a low place. In addition, a seat 6 and side doors 7 and 7 are disposed in a passenger compartment opened upward.

  The rear vehicle body 2 includes left and right side panels 3, 3 on which the side door 7 is disposed, a lower back panel 4 disposed between rear ends of the left and right side panels 3, The rear floor panel 5 disposed between the lower end portions of the left and right side panels 3 is provided, and the luggage room R is formed by a space surrounded by these.

  The upper edges of the left and right side panels 3 and the lower back panel 4 form a luggage room opening 2a, and a seal member 8 for sealing between the luggage door 1 is mounted on the peripheral edge of the opening 2a. . Further, rear combination lamps 9 are provided on the left and right side portions of the lower back panel 4.

  The lower back panel 4 has a structure in which a closed cross section extending in the vehicle width direction is formed by connecting the lower back outer 4a and the lower back inner 4b.

  In the left and right side panels 3, quarter members 10, 10 extending in the front-rear direction along the upper edge portion thereof are disposed. The left and right quarter members 10 are coupled to the side inner panel 3a of the side panel 3, and have a structure in which a closed cross section extending in the front-rear direction is formed with the side inner panel 3a.

  The front end portions of the left and right quarter members 10 are coupled to a center pillar (not shown), and the rear end portions are coupled to the lower back panel 4 so as to form a continuous closed section. The left and right quarter members 10 and the lower back panel 4 enhance the rigidity of the luggage room opening.

  Strut towers 11 and 11 for supporting an upper end portion 12a of a shock absorber 12 connected to a rear wheel (not shown) are disposed at corner portions of the left and right quarter members 10 and the lower back panel 4. . Specifically, the upper flange portions 11a of the left and right strut towers 11 are coupled to the quarter member coupling corner portions 4 'and 4' of the lower back inner 4b of the lower back panel 4. Thereby, the rigidity with respect to the thrust load transmitted from the shock absorber 12 to the strut tower 11 is increased.

  The left and right strut towers 11 are coupled to the rear end of a wheel house 15 that covers the upper part of the rear wheel. Between the inner lower portion 15a of the left and right wheel houses 15 and the lower surface of the rear floor panel 5, rear side members 16 and 16 extending in the vehicle front-rear direction are coupled.

  The luggage door 1 is supported by a hinge mechanism (not shown) attached to the left and right side panels 3 so that it can be opened and closed up and down, and a lock (not shown) attached to the center of the lower back panel 4 in the vehicle width direction. The mechanism is supported so that it can be locked or unlocked.

  The strut tower 11 is disposed below the left and right rear portions 1a and 1a in the vehicle width direction of the luggage door 1, and therefore the shock absorbers 12 and 12 are positioned below the left and right rear portions 1a and 1a. ing.

  In the present embodiment, the vertical distance t between the left and right rear portions 1a of the luggage door 1 and the shock absorber 12 is shortened by the vehicle height of the luggage door 1 (see FIG. 3). For this reason, the thrust load of the shock absorber 12 is easily transmitted from the strut tower 11 to the luggage door 1 via the lower back panel 4.

  The luggage door 1 includes a resin door outer panel 18 having a painted exterior surface 18a, and a resin door inner panel 19 disposed inside the door outer panel 18. Here, the luggage door 1 has various aspects such as both the door outer panel and the door inner panel are made of metal, or one of the door outer panel and the door inner panel is made of resin, and the other is made of metal. Is possible.

  The door inner panel 19 includes a frame-shaped outer peripheral bead 19a formed along the outer peripheral portion of the door outer panel 18, and a pair of left and right crosses integrally connecting the front and rear portions of the outer peripheral bead 19a. It has beads 19b, 19b and a central connecting bead 19h.

  The door inner panel 19 is formed by fixing a pair of flange portions 19i bent along the longitudinal direction of the outer peripheral bead 19a, each cross bead 19b and the connecting bead 19h to the back surface of the door outer panel 18 with an adhesive or the like. , Coupled to the door outer panel 18. Thus, the door outer panel 18 and the door inner panel 19 form an annular closed section A and a plurality of beam-like closed sections B (see FIG. 5).

  The outer peripheral bead 19a extends along the left and right edges 18b and 18b of the door outer panel 18 in the front-rear direction, and the front and rear edges 18c and 18c of the door outer panel 18. Thus, the front and rear bead portions 19d and 19e are formed integrally with each other in the vehicle width direction.

  Hinge mounting seats 19f and 19f are formed at the front portions of the left and right bead portions 19c and 19c of the outer peripheral bead 19a, and a lock mounting seat 19g is formed at the center in the vehicle width direction of the rear bead portion 19e. Has been.

  The connecting bead 19h connects the front bead portion 19d and the rear bead portion 19e in the front-rear direction, and the lock mounting seat 19g is formed at a connecting portion to the rear bead portion 19e of the connecting bead 19h. .

  The left and right cross beads 19b are connected to portions of the outer peripheral bead 19a corresponding to the left and right rear portions 1a of the luggage door 1, and incline from here to the center portion in the vehicle width direction of the front bead portion 19d. It extends. In other words, the left and right cross beads 19b are connected to the front bead portion 19d so as to join the connecting beads 19h.

  According to the present embodiment, the door inner panel 19 of the luggage door 1 has a frame shape extending along the outer peripheral portion of the door outer panel 18, and the outer periphery on which the left and right hinge mounting seats 19f and the lock mounting seat 19g are formed. The bead 19a and the left and right rear bead 1a of the outer peripheral bead 19a are followed by a pair of left and right cross beads 19b extending toward the center in the vehicle width direction of the front bead 19d.

  Since it comprised in this way, the required rigidity as a luggage door single-piece | unit can be ensured. Further, the thrust load transmitted from the shock absorber 12 to the luggage door 1 via the strut tower 11 can be received by the entire outer peripheral bead 19a via the cross bead 19b, and the rigidity of the entire luggage door against the thrust load can be increased.

  That is, in this embodiment, since the strut towers 11 are disposed on the left and right rear portions, as shown in FIG. 6, a thrust load F is applied to the left rear portion 1a or the right rear portion 1a of the door inner panel 19. Become. Therefore, the load F acts on the door inner panel 19 so that the left and right virtual lines a and a shown in FIG. In this embodiment, the cross beads 19b are formed so as to cross the virtual lines a and a, and the rigidity against the bending deformation is increased by the load F. Further, the push-up load F is transmitted to the entire outer peripheral bead 19a through the cross bead 19b, and the cross bead 19b is supported as a beam between the front and rear beads 19e and 19d of the outer peripheral bead 19a. it can.

  In addition, the load from the vehicle front-rear direction acts on the door inner panel 19 so that the virtual line b is bent to form a deformed line. In this embodiment, the cross bead 19b and the connecting bead 19h are connected to the virtual line b. In this case as well, the rigidity against the bending deformation is high, and the cross bead 19b and the connecting bead 19h can be supported as a beam member between the outer peripheral beads 19a. .

  Further, the luggage door 1 functions as a rigid member of the rear vehicle body 2, so that the addition of a reinforcing member for increasing the rigidity of the rear vehicle body 2 can be made unnecessary, and an increase in weight and cost can be suppressed. As a result, it is possible to reduce the weight and cost of an open car with a low vehicle height.

DESCRIPTION OF SYMBOLS 1 Luggage door 1a Left, right rear part 11 Strut tower 18 Door outer panel 18a Exterior surface 19 Door inner panel 19a Outer periphery bead 19b Cross bead 19d Front bead part (vehicle front part)
19f Hinge mounting seat 19g Lock mounting seat

Claims (1)

A door outer panel having an exterior surface, and a door inner panel having a hinge mounting seat provided on the left and right sides in the vehicle width direction and a lock mounting seat provided in the vehicle width direction center of the rear of the vehicle,
A vehicle luggage door in which a strut tower is disposed below the left and right rear portions in the vehicle width direction of the door inner panel,
The door inner panel has a frame shape extending along the outer peripheral portion of the door outer panel, and an outer peripheral bead on which the hinge mounting seat and the lock mounting seat are formed,
A luggage door for a vehicle, comprising a pair of cross beads extending from the left and right rear portions of the outer peripheral bead in the vehicle width direction toward the vehicle width direction center of the front portion of the outer peripheral bead.

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