WO2016051867A1 - Automobile body - Google Patents

Abstract

An automobile body is configured in such a manner that: a side outer panel (32) is in contact with door openings (30, 31) in a side face of the automobile body with a seal member (23) therebetween, the side face being formed by joining an upper framework (73) to a lower framework (74) which is formed in a bathtub shape using CFRP; the side outer panel (32) is covered with a rear fender (35), a roof side molding (34), and a side sill garnish (33); and doors are in contact with the side outer panel (32) with door seals therebetween. As a result of this configuration, a seal line on the side face of the automobile body can be easily visually discerned and the seal member (23) can be easily adhered or applied. In addition, due to the face that the door seals are in contact with the side outer panel (32) and not in contact with the door openings (30, 31) in the side face of the automobile body, the freedom of design of the lower framework (74) and the upper framework (73), which form the side face of the automobile body, is increased, and the periphery of the door openings (30, 31) is easily and reliably sealed.

Description

Car body

The present invention relates to an automobile body provided with a door opening on a side surface of a vehicle body configured by connecting an upper skeleton to a lower skeleton formed in a bathtub shape by CFRP.

An automobile body formed in a bathtub shape of fiber reinforced resin has a U-shaped door opening surrounded by three sides by side sills, front pillar lowers and rear pillars, and the door opening is covered with a door as described in Patent Document 1 below. Are known.

Japanese Patent Publication No. 2002-542103

By the way, since what is described in the said patent document 1 is directly attached to the door opening part of the vehicle body formed in bathtub shape, the door seal contact surface which the door seal provided in the outer periphery of a door contacts is a door opening part Therefore, there is a problem that the design freedom of the automobile body formed in a bathtub shape with the fiber reinforced resin is limited, and it is difficult to secure the required vehicle rigidity and the collision resistance performance.

The present invention has been made in view of the above-described circumstances, and has an object of easily and reliably sealing the periphery of a door opening while securing the freedom of design of a car body including a lower frame made of CFRP.

According to the present invention, in order to achieve the above object, according to the present invention, the side outer panel is engaged with the door opening of the side of the vehicle body formed by bonding the upper frame to the lower frame formed in a bathtub shape with CFRP. According to a first aspect of the present invention, there is proposed an automobile body characterized in that the side outer panel is in contact with the side outer panel and the side outer panel is covered with a rear fender, a roof side molding and a side sill garnish.

According to the present invention, in addition to the first feature, there is proposed an automobile body having a second feature in that the side outer panel is bolted to the side surface of the vehicle.

Further, according to the present invention, in addition to the first or second feature, the seal member is disposed on the outer peripheral edge in a first region where the outer peripheral edge of the side outer panel coincides with the side surface of the vehicle. In the second region where the outer periphery of the side outer panel is separated from the side surface of the vehicle, the outer periphery of the side outer panel is disposed on the inner periphery of the side outer panel, and the transition portion between the first region and the second region traverses the side outer panel According to a third aspect of the present invention, there is proposed an automobile body that is to be disposed as follows.

According to the present invention, in addition to any one of the first to third features, a plurality of the locking grooves of the plurality of clips provided at the outer end in the vehicle width direction of the roof panel are provided on the roof side molding According to a fourth aspect of the present invention, there is proposed an automobile body having a locking feature of

According to the present invention, in addition to any one of the first to fourth features, the fifth feature is that the side sill garnish and the side outer panel are fastened together to a stud bolt provided on the side surface of the vehicle body. A car body to be used is proposed.

Further, according to the present invention, in addition to any one of the first to fifth features, the end of the rear fender is locked to the end of the roof side molding and the end of the side outer panel. A car body having a sixth feature is proposed.

Further, according to the present invention, in addition to any one of the first to sixth features, the rear panel is provided with a groove portion surrounding a part of the opening of the cargo space, and the upper portion of the rear fender is According to a seventh aspect of the present invention, there is proposed an automobile body characterized in that the lower part of the rear fender is fixed to the rear panel via a bracket while being directly fixed to the rear fender.

The front door opening 30 and the rear door opening 31 of the embodiment correspond to the door opening of the present invention.

According to the first feature of the present invention, the side outer panel is brought into contact with the door opening on the side of the vehicle body formed by connecting the upper frame to the lower frame formed in a bathtub shape with CFRP via the seal member, Since the outer panel is covered with the rear fender, roof side molding and side sill garnish and the door is in contact with the side outer panel via the door seal, the seal line can be easily checked visually when assembling the side outer panel to the vehicle side. As a result, it is possible to facilitate the sticking work or the coating work of the seal member. Moreover, since the door seal abuts on the side outer panel instead of the door opening on the side of the vehicle body, not only the design freedom of the lower frame and upper frame constituting the vehicle side is enhanced, but also the side outer panel from the outside after the door is attached It becomes invisible and can improve productivity by eliminating or simplifying the painting of the side outer panel.

Further, according to the second feature of the present invention, since the side outer panel is bolted to the side surface of the vehicle, not only can the side outer panel be firmly attached, but the fastening operation can be performed from the side of the vehicle body Do.

Further, according to the third feature of the present invention, the seal member is disposed on the outer peripheral edge in the first region where the outer peripheral edge of the side outer panel coincides with the vehicle side surface, and the outer peripheral edge of the side outer panel is from the vehicle side surface. The second separate region is disposed on the inner peripheral edge of the side outer panel, and the transition between the first region and the second region is disposed to cross the side outer panel, so that the vehicle body design is not affected. Between the door opening on the side of the vehicle body and the side outer panel can be sealed along the entire circumference to enhance waterproofness.

Further, according to the fourth feature of the present invention, the plurality of locking claws provided on the roof side molding are locked in the locking grooves of the plurality of clips provided on the outer end of the roof panel in the vehicle width direction. The workability of assembling the molding is improved.

Further, according to the fifth feature of the present invention, since the side sill garnish and the side outer panel are fastened together to a stud bolt provided on the side of the vehicle body, the number of stud bolts and the number of assembling steps can be reduced.

Further, according to the sixth aspect of the present invention, since the end of the rear fender is locked to the end of the roof side molding and the end of the side outer panel, not only the rear fender can be easily assembled, The end of the rear fender can be smoothly continuous with the end of the roof side molding and the end of the side outer panel to improve the appearance.

Further, according to a seventh feature of the present invention, the rear panel is provided with a groove portion surrounding a part of the opening of the luggage compartment, the upper portion of the rear fender is directly fixed to the groove portion, and the lower portion of the rear fender is Because it is fixed via the bracket, the rear fender can be attached with high accuracy.

FIG. 1 is a perspective view of an automobile body as viewed obliquely from the front. First Embodiment FIG. 2 is a view showing a state in which the side outer panel is attached to the side surface of the vehicle body. First Embodiment FIG. 3 is a view showing a state in which the side sill garnish, the rear fender and the roof side molding are attached to the outer surface of the side outer panel. First Embodiment FIG. 4 is a sectional view taken along line 4A-4A, 4B-4B and 4C-4C of FIG. First Embodiment FIG. 5 is a sectional view taken along lines 5A-5A, 5B-5B and 5C-5C of FIG. First Embodiment 6 is a sectional view taken along line 6A-6A and line 6B-6B of FIG. First Embodiment FIG. 7 is a view in the direction of arrow 7 of FIG. First Embodiment

23 seal member 30 front door opening (door opening)
31 Rear door opening (door opening)
32 Side outer panel 33 Side sill garnish 34 Roof side molding 35 Rear fender 36 Roof panel 37 Clip 37a Locking groove 38 Locking claw 40 Rear panel 40a Groove 42 Bracket 43 Stat bolt 73 Upper frame 74 Lower frame a Transition portion b Transition portion

Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 to 7. In the present specification, the front-rear direction, the left-right direction (vehicle width direction), and the up-down direction are defined based on the occupant seated in the driver's seat.

First embodiment

As shown in FIGS. 1 to 3, the basic framework of a car body frame of a car mainly composed of CFRP (carbon fiber reinforced resin) is a longitudinal direction along a vehicle floor 11 and left and right side portions of the vehicle floor 11. The pair of left and right side sills 12, 12 and the pair of left and right front pillar lowers 13, 13 standing front upward from the front ends of the left and right side sills 12, 12 Right and left rear pillars 14 and 14, left and right pair of center pillars 15 and 15 rising upward from the longitudinal middle of the left and right side sills 12 and 12, and left and right center pillars 13 and 13 from the upper end A pair of left and right made of aluminum alloy pipe material extending to the upper ends of the left and right rear pillars 14, 14 via the upper ends of the pillars 15, 15 And a roof side rail 16, 16.

The left and right roof side rails 16, 16 are connected by the front roof arch 28 and the middle roof arch 29. The upper ends of the left and right center pillars 15, 15 and both ends of the middle roof arch 29 in the vehicle width direction are integrally continuous, and form a reverse U-shaped roll bar 54 (see FIG. 2) in a front view. The left and right roof side rails 16, 16, the roll bar 54, and the front roof arch 28 constitute an upper frame 73 (see FIG. 2).

A flat dash panel lower 17 is joined to the front end of the vehicle body floor 11 and the front surfaces of the left and right front pillar lowers 13, 13, and flat rear members on the rear end of the vehicle floor 11 and the rear surfaces of the left and right rear pillars 14, 14. The partition wall 18 is joined. The integrated vehicle floor 11, the dash panel lower 17, the rear partition 18, the side sill 12, the front pillar lowers 13, 13 and the rear pillars 14, 14 constitute a lower frame 74 (see FIG. 2). Fixing mounts 20 and 20 made of left and right aluminum alloy castings are fixed to the front end of the vehicle body floor 11, and rear ends of front side frames 21, 21 made of left and right aluminum alloy casts to the front ends of the mounting pedestals 20 and 20 Is fixed.

As apparent from FIG. 2, the front door opening 30 is defined by the side sill 12, the front pillar lower 13, the roof side rail 16 and the center pillar 15 in the basic skeleton in which the upper skeleton 73 and the lower skeleton 74 are joined. In addition, the rear door opening 31 is partitioned by the side sill 12, the rear pillar 14, the roof side rail 16 and the center pillar 15, and the side outer panel 32 is joined along the front door opening 30 and the rear door opening 31.

The side outer panel 32 is joined via a seal member 23 such as an ep sealer surrounding the front door opening 30 and the rear door opening 31 at 360 °. The side outer panel 32 abuts on the outer surface of the basic skeleton in the vehicle width direction at most of the outer peripheral edge, but the outer peripheral portion of the side wall panel 32 from the side outer panel 32 forms a part of the rear door opening 31 Since a gap is formed at a distance, in that part, the inner circumferential edge exceptionally abuts the outer surface of the basic skeleton in the vehicle width direction. Accordingly, the seal member 23 transitions from the outer peripheral edge of the side outer panel 32 to the inner peripheral edge at the transition portion a of the lower end of the rear pillar 14 and the transition portion b of the upper end of the rear pillar 14.

The seal member 23 has a cross section in FIG. 4 (A), FIG. 4 (B), FIG. 4 (C), FIG. 5 (A), FIG. 6 (A) and FIG. It is shown as.

The side outer panels 32 joined to the basic frame via the closed seal member 23 which surrounds the front door opening 30 and the rear door opening 31 in this way are four places along the side sill 12 and the roof side rail 16. It is bolted to the basic frame at three locations along the line.

That is, as shown in FIG. 4A, the side sill 12 is bonded to the upper surface of the vehicle width direction outer end of the vehicle body floor 11 via the metal joints 51, 52, 53 divided into three by the side sill 12. The lower end of the center pillar 15 is supported. A stud bolt 43 implanted on the outer surface of the metal joint 52 in the vehicle width direction penetrates the side outer panel 32 and is fastened by a nut 44. Further, as shown in FIG. 4C, a stat bolt 43 is also implanted on the outer surface in the vehicle width direction of the lower end of the front pillar lower 13, and the stat bolt 43 penetrates the side outer panel 32 It is concluded. In this manner, the lower portion of the side outer panel 32 is bolted at two locations at the lower end of the center pillar 15, at one location at the lower end of the front pillar lower 13, and at one location at the lower end of the rear pillar 14 (FIG. 1) reference).

As shown in FIG. 6B, a stat bolt 45 embedded in the metal joint 16 a supporting the roof side rail 16 in the roll bar 54 penetrates the side outer panel 32 and is fastened by the nut 46. In addition, the upper portion of the side outer panel 32 is bolted at one place near the upper end of the front pillar lower 13 and one place near the upper end of the rear pillar 14 (see FIG. 1).

The side sill garnish 33, the roof side molding 34 and the rear fender 35 are attached to the outer surface in the vehicle width direction of the side outer panel 32 fixed in this manner (see FIG. 3).

As shown in FIGS. 4A and 4C, the flange portion 33a formed along the upper edge of the side sill garnish 33 covering the outer surface of the side sill 12 in the vehicle width direction is formed on the lower edge of the side outer panel 32. They are superimposed from the outside in the vehicle width direction and are fastened together by the stat bolt 43.

As shown in FIGS. 3 and 6A, the roof panel 36 fixed to the upper surface of the roof side rail 16 has a plurality of clips 37 fixed at predetermined intervals along the outer end in the vehicle width direction. The roof side molding 34 is attached to the roof side rail 16 by inserting the plurality of locking claws 38 provided on the inner surface of the roof side molding 34 into the locking grooves 37 a of the clips 37.

As shown in FIG. 1, FIG. 5A and FIG. 5B, a crank-shaped connection in cross section along the front edge of the rear fender 35 covering the side outer panel 32 superimposed on the rear pillar 14 on the outer surface in the vehicle width direction. The members 39 are welded, and the rear edge of the side outer panel 32 is engaged with the slit formed between the front edge of the rear fender 35 and the connecting member 39, whereby the front of the rear fender 35 is attached to the side outer panel 32. Is supported. As shown in FIGS. 1 and 5C, the upper front end of the rear fender 35 facing the rear end of the roof side molding 34 is bent in a crank shape, and the rear end of the roof side molding 34 is a car The roof side molding 34 and the rear fender 35 are connected flush by being overlapped and bonded from the outside in the width direction.

As shown in FIGS. 1 and 7, between the rear panel 40 supported at the rear end of the pair of left and right rear side frames 22 (see FIG. 2) and the rear parcel shelf 19 extending rearward from the rear end of the rear partition 18 An opening 41 (see FIG. 7) opened and closed by a trunk lid (not shown) is formed. Brackets 35a, 35a protruding from the rear upper portion of the rear fender 35 are fitted in the groove portions 40a of the rear panel 40 constituting the edge of the opening 41, and are fastened by bolts 47, 47 and nuts 48, 48. The rear lower portion of the rear fender 35 is fastened by a bolt 49 and a nut 50 to a bracket 42 provided at the outer end of the rear panel 40 in the vehicle width direction.

A connecting member 39 having a crank-like cross section is welded along the front edge of the rear fender 35 covering the rear of the side outer panel 32 superimposed on the outer surface in the vehicle width direction of the basic skeleton combining the upper skeleton 73 and the lower skeleton 74. The front edge of the rear fender 35 is supported by the side outer panel 32 by fitting the rear edge of the side outer panel 32 to the slit formed between the front edge of the rear fender 35 and the connecting member 39.

Next, the operation of the embodiment of the present invention having the above configuration will be described.

In the vehicle assembly process, the lower frame 74 is integrated with the vehicle floor 11, the dash panel lower 17, the rear partition 18, the pair of left and right side sills 12, the pair of left and right front pillars 13, 13 and the pair of left and right rear pillars 14, 14 and so on. The upper frame 73 is formed by unifying the pair of left and right roof side rails 16, 16, the roll bar 54, the front roof arch 28, etc., and then connecting the upper frame 73 to the lower frame 74 to form a basic vehicle body. Construct a skeleton (see Figure 2). A side outer panel 32 is attached via a seal member 23 so as to surround the front door opening 30 and the rear door opening 31 on the side of the basic skeleton of the vehicle body.

At this time, since the side surface of the basic skeleton of the vehicle body is completely exposed, it is possible to easily check the seal member 23 attached thereto by visual observation, and the attachment operation of the seal member 23 is facilitated. Moreover, since the door seals of the front and rear doors abut on the door seal abutment surfaces formed on the side outer panel 32 instead of the side surfaces of the basic frame, it is necessary to form the door seal abutment surfaces on the lower skeleton 74 and the upper skeleton 73 It is lost and design freedom is raised.

Also, the side outer panel 32 assembled to the basic skeleton is covered with the side sill garnish 33, the roof side molding 34, the rear fender 35, the front door and the rear door to be assembled later, and becomes invisible from the outside. The painting of the panel 32 can be eliminated or simplified to improve the productivity.

The seal member 23 is disposed on the outer periphery of the first region 23A (portion corresponding to the roof side rail 16, the front pillar lower 13 and the side sill 12) in which the outer periphery of the side outer panel 32 matches the side surface of the vehicle. The second region 23B (portion corresponding to the rear pillar 14) in which the outer peripheral edge of the side outer panel 32 is separated from the side surface of the vehicle is disposed on the inner peripheral edge of the side outer panel 32 and transition between the first region 23A and the second region 23B. Since the parts a and b are arranged to cross the side outer panel 32 (see FIG. 2), the front door opening 30 and the rear door opening 31 of the side of the vehicle body and the side are not affected without affecting the vehicle body design. Sealing between the outer panel 32 and the entire periphery can be performed to enhance waterproofness.

In addition, since the side outer panel 32 is fastened to the basic skeleton by the stud bolts 43 ..., 45 ... (refer to Fig. 4 (A), Fig. 4 (C) and Fig. 6 (B)), firmly attach the side outer panel 32. In addition to the above, the workability can be improved because the fastening work can be performed from the side of the vehicle body.

In addition, when the side sill garnish 33 is attached, the side sill garnish 33 and the side outer panel 32 are fastened together to the stat bolts 43 provided on the basic skeleton (see FIGS. 4A and 4C). The number of bolts 43 can be reduced and the number of assembling steps can be reduced.

Further, the locking claws 38 are inserted into the locking grooves 37a of the plurality of clips 37 provided at the outer end of the roof panel 36 in the vehicle width direction of the roof side molding 34 and locked (FIG. 6 (A) See, the workability of assembling the roof side molding 34 is improved.

Further, since the end of the rear fender 35 is engaged with the end of the roof side molding 34 and the end of the side outer panel 32 (see FIGS. 5A, 5B, and 5C), Not only the assembly of the rear fender 35 is facilitated, but the end of the rear fender 35 can be smoothly continued to the end of the roof side molding 34 and the end of the side outer panel 32 to improve the appearance.

The rear panel 40 is formed with a groove 40a surrounding a part of the opening 41 of the cargo compartment, and the upper portion of the rear fender 35 is directly fixed to the groove 40a, and the lower portion of the rear fender 35 is attached to the rear panel 40 via a bracket 42. Since the rear fender 35 is fixed (see FIG. 7), the rear fender 35 can be attached with high accuracy.

As mentioned above, although embodiment of this invention was described, this invention can perform various design changes in the range which does not deviate from the summary.

For example, the seal member 23 of the present invention is not limited to the epto sealer of the embodiment, and may be of a type applied to the seal portion.

Claims (7)

Seal the side outer panel (32) to the door opening (30, 31) on the side of the vehicle body constructed by joining the upper frame (73) to the lower frame (74) formed in a bathtub shape by CFRP Contact the side outer panel (32) with the rear fender (35), the roof side molding (34) and the side sill garnish (33), and touch the side outer panel (32) with the door through the door seal. A car body characterized by being in contact. The vehicle body according to claim 1, wherein the side outer panel (32) is bolted to the side surface of the vehicle body. The seal member (23) is disposed on the outer peripheral edge in a first region (23A) where the outer peripheral edge of the side outer panel (32) matches the side surface of the vehicle body, and the outer peripheral edge of the side outer panel (32) Is disposed on the inner peripheral edge of the side outer panel (32) in the second area (23B) separated from the side surface of the vehicle body, and the transition portion (a) between the first area (23A) and the second area (23B) The vehicle body as claimed in claim 1 or 2, wherein the side outer panel (32) is disposed so as to cross the side outer panel (32). The plurality of locking claws (38) provided on the roof side molding (34) are locked in the locking grooves (37a) of the plurality of clips (37) provided on the outer end of the roof panel (36) in the vehicle width direction The vehicle body according to any one of claims 1 to 3, characterized in that The side sill garnish (33) and the side outer panel (32) are cofastened to a stud bolt (43) provided on the side surface of the vehicle body, according to any one of claims 1 to 4, Car body. The end of the rear fender (35) is engaged with the end of the roof side molding (34) and the end of the side outer panel (32). The car body according to any one of the above. A rear panel (40) is formed with a groove (40a) surrounding a part of the opening (41) of the luggage compartment, and the upper portion of the rear fender (35) is directly fixed to the groove (40a). The vehicle body according to any one of claims 1 to 6, wherein a lower portion of the fender (35) is fixed to the rear panel (40) via a bracket (42).

Images