JPH04221280A - Module assembly construction for vehicle body - Google Patents

Abstract

PURPOSE:To improve workability for module assembly, and increase productivity by improving joint matching between an upper module (UPRM) and an under module (UNDRM). CONSTITUTION:Both of a wheel housing outer panel 32 and an wheel housing inner panel 60 are used as the constitutional components of UPRM 12. The lower edge of the wheel housing inner panel 60 has a flange section 60B formed throughout and faced to a floor panel 42. This floor panel 42 has a flat surface and the joint thereof with the flange section 60B is kept within the same horizontal plane. According to this construction, the joint plane of UPRM 12 and UNDRM 16 becomes flat and, therefore, the matching thereof is improved during assembly work.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a module assembly structure for an automobile body.

0002

[Prior Art] Conventionally, the floor and body side of a car body, along with the roof, engine compartment, etc., have been made up of various strength members with a closed cross-section structure as skeleton members, and various panel materials have been sequentially joined to these skeleton members to form a white body. This is then sequentially transferred to the painting process and assembly process, and finally various functional parts and interior parts are assembled.

However, in the process of assembling and assembling the white body, the assembly work is performed sequentially in the above-mentioned manner on each main line, which increases the length of the main line, which increases the size and expansion of the equipment and increases costs. be disadvantageous. In addition, if the floor and body sides are configured in advance, when assembling various parts inside the floor and inside the body side during the assembly process, it is difficult for workers to enter the cabin or through the openings on the body side. This has to be done manually, which requires a lot of effort and time.

[0004] As a vehicle body structure to improve this, as shown in FIG.
A so-called vehicle body module assembly structure, in which the vehicle body is constructed by dividing the under module 182 and the Atsupa module 184 into two and joining these undermodules 182 and Atsupa module 184 at the rocker 180, is disclosed in Japanese Patent Laid-Open No. 64-28.
It is disclosed in Publication No. 377.

[0005]

However, in this vehicle body module assembly structure, as shown in FIG.
In this case, the coupling flange 198 is curved into an arc, and the alignment is not good. This has a large impact on assembly workability,
It hinders productivity.

The present invention takes the above facts into account, improves the consistency of the joint between the atupa module and the undermodule, and
The object of the present invention is to obtain a modular assembly structure for a vehicle body that can improve assembly workability and increase productivity.

[0007]

[Means for Solving the Problems] A vehicle body module assembly structure according to the present invention is to assemble a vehicle body by assembling a top module that constitutes a roof area and a door area, and an under module that constitutes an underbody including a flat floor panel. A modular assembly structure of a constituent vehicle body,
The vehicle has a wheel house portion formed on the atupa module, and a floor panel formed on the undermodule to which the lower end portions of the wheel house portion are joined in substantially the same horizontal plane.

[0008]

According to the present invention, the wheel house portion is formed on the atupa module side, and the lower end portion of the wheel house portion that is connected to the undermodule is the floor panel surface formed on the undermodule side. Since the floor panel surface is a flat surface, the joining surface with the wheel house portion is substantially in the same horizontal plane. Therefore, the compatibility between the atupa module and the undermodule is good, and the assembly work efficiency is improved.

[0009]

Embodiment FIG. 1 shows a vehicle body 10 according to this embodiment. In the figure, arrow FR indicates the forward direction of the vehicle, and arrow UP indicates the upward direction of the vehicle.

[0010] The vehicle body 10 is made of Atsupa module (hereinafter UP
RM) 12 and under module (hereinafter UND)
It is constructed by combining 16 two-part modules (referred to as RM).

The UPRM 12 includes a roof panel 18, a front pillar 20, a center pillar 22, a quarter pillar 24, a top panel 26, a quarter panel 30, and a wheel house section (wheel house outer panel 32, wheel house inner panel 60) of the vehicle body 10. 28, a rocker upper part 40, etc., and mainly constitutes the roof part and side body part of the vehicle body 10.

On the other hand, the UNDRM 16 has a floor panel 4
2. Front side member 44, darts panel 46,
Front pillar inner lower panel 50, lower rocker 64
It is composed of etc.

[0013] In the UPRM12, the above-mentioned constituent members are connected in advance by spot welding or the like, while in the UNDRM1
In the case of 6, the above-mentioned constituent members are previously connected by spot welding or the like. UPRM12 and UN configured in this way
In the DRM 16, an integrated vehicle body 10 is formed by coupling the deck top panel 26 and the dash panel 46, coupling the front pillar 20 and the front pillar inner lower panel 52, coupling the rocker upper part 40 and the rocker lower part 64, etc. It looks like this.

As shown in FIGS. 2 and 3, the wheel house outer panel 32 is connected to a quarter panel 30, and an extension 70 is connected to the lower end of the quarter panel 30. As shown in FIGS.

An arcuate flange portion 32A is formed on the inner peripheral edge of the wheel house outer panel 32 in the vehicle width direction, and serves as a mating surface with the wheel house inner panel 60.

Correspondingly, the wheel house inner panel 60 has an arcuate flange portion 60A formed on its outer circumferential edge in the vehicle width direction. This flange part 60A
matches the curved shape formed by the flange portion 32A, and is connected to the UPRM 12 as a single unit.

As shown in FIG. 2, a flange portion 60B is formed on the lower end surface of the wheel house inner panel 60 over the entire end thereof. In addition, this flange portion 60B
The upper end of the extension 70 is bent at a substantially right angle toward the inside of the vehicle to form a flange portion 70A.

[0018] These flange portions 60B and flange portions 70A
corresponds to the floor panel 42 on the UNDRM 16 side. The floor panel 42 has its wheel house portion 28
The surface corresponding to the flange portion 60B and the flange portion 70A are flat surfaces, and the entire area of the joint surface with the flange portion 60B and the flange portion 70A is in the same horizontal plane.

As shown in FIG. 4, a subframe 72 is attached to the floor panel 42 with the UNDRM 16 alone. The subframe 72 is coupled to the lower end surface of a rear side member 74 that is disposed on the lower surface side of the floor panel 42 in the longitudinal direction of the vehicle. As shown in FIG. 5, the rear side member 74 has a so-called hat shape, and is connected to the floor panel 42 to form a closed cross section. Therefore, the rigidity is increased and the subframe 72 can be supported reliably.

[0020] The sub-frame 72 has portions protruding from both ends of the floor panel 42 in the vehicle width direction bent upward in the vehicle direction. A spring support portion 72B is formed at the tip of this bent portion 72A, and the upper end of a suspension 78 that supports the tire 76 is attached thereto. That is, in this embodiment, when the UNDRM 16 is alone,
The suspension 72 can be installed.

As shown in FIG. 2, a plurality of circular holes 80 are formed in the flange portion 60B of the wheel house inner panel 60 and the flange portion 70A of the extension 70. It is designed to be coaxial with a plurality of circular holes 82 (see FIG. 5) formed in the floor panel 42, respectively. In this state, as shown in FIG.
2 and screwed into the nut 86, the UPRM 12 and the UNDRM 16 at the wheel house portion are connected.

By connecting the wheel house portion 28, the bent portion 72A of the subframe 72 is connected to the wheel house inner panel 60 and the wheel house outer panel 32.
It has a structure in which it is housed together with the tire 76 in a space surrounded by.

The operation of this embodiment will be explained below. In this embodiment, when the UPRM 12 is alone, the wheel house inner panel 60 and the wheel house outer panel 3 are
2 are connected by the flange portion 60A and the flange portion 32A. Therefore, the UPRM of the wheel house portion 28
It can be configured with 12 single units.

On the other hand, the subframe 72 is connected to the lower end of the floor panel 42 while the UNDRM 16 is alone. In this case, since the subframe 72 is attached to the rear side member 74 having a closed cross section together with the floor panel 42, the rigidity of the joint is high and the subframe 72 can be reliably supported.

[0025] In this subframe 72, UNDRM1
The suspension 78 is attached to the standalone state of 6. That is, both ends of the subframe 72 in the vehicle width direction are bent upwards of the vehicle (bending portions 72A), and a spring support portion 72B is formed at the tip of this bending, so the upper end of the suspension 78 is inserted into this spring support portion 72B. Just install it.

Next, the procedure for assembling the UPRM 12 and UNDRM 16 will be explained. UPRM12 and UNDRM1
6, the UPRM 12 is lowered from above onto the UNDRM 16 which has been placed in a predetermined position, and the two are made to correspond to each other. At this time, the deck lower panel 26 and the dash panel 46 are combined, the front pillar 20 and the front pillar inner lower panel 50 are combined, the rocker upper part 40 and the rocker lower part 64 are combined, and as shown in FIG. By combining the portion 28 and the floor panel 42, the integral vehicle body 10 can be formed.

Here, as shown in FIG. 2, the flange portion 60B of the wheel house inner panel 60 and the flange portion 70A of the extension 70 are on the same plane and correspond to the flat surface of the floor panel 42, so that the wheel The bonding surfaces of the UPRM 12 and the UNDRM 16 in the house portion 28 are substantially in the same horizontal plane, resulting in good matching. Therefore, assembly work efficiency is improved.

Flange portion 60B of wheel house inner panel 60 and flange portion 70 of extension 70
When A is positioned at a predetermined position on the floor panel 42,
The circular hole 80 and the circular hole 82 are coaxial. At this point, the bolts 84 are passed through from above the flange portions 60B and 70A and screwed into the nuts 86, thereby completing the assembly of the UPRM 12 and the UNDRM 16 in the wheel house portion 28.

According to this embodiment, both the wheel house inner panel 60 and the wheel house outer panel 32 are used as constituent members on the UPRM 12 side, and the wheel house portion 28
Since the connecting surface between the UPRM1 and the floor panel 42 is a flat horizontal plane, there is no curve at the wheel house part like the boundary line between the conventional UPRM and UNDRM, and the UPRM1
The boundary line between UNDRM 16 and UNDRM 16 can be a straight line. Therefore, the UPRM 12 and the UNDRM 16 have good consistency when assembled, and the assembly work efficiency is improved.

[0030] Also, the suspension 72 is set to UNDRM1.
6 can be installed as a single unit, increasing the degree of freedom in the work process and improving productivity.

Furthermore, according to this embodiment, the UPRM12
Since there is no need to construct a suspension tower on the side, the interior space of the vehicle can be expanded.

[0032]

[Effects of the Invention] As explained above, the vehicle body module assembly structure according to the present invention improves the integrity of the joint between the atupa module and the undermodule, improves assembly work efficiency, and increases productivity. It has this excellent effect.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing a modular structure of a vehicle body divided into two parts according to the present embodiment.

FIG. 2 is a perspective view taken along the line II in FIG. 1;

FIG. 3 is a perspective view taken along the line III in FIG. 2;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;

FIG. 5 is an enlarged view taken along the line V in FIG. 4;

FIG. 6 is an exploded perspective view showing the modular structure of a conventional vehicle body.

7 is a sectional view taken along the line VII-VII in FIG. 6. FIG.

[Explanation of symbols]

10 Vehicle body 12 Atsupa module (UPRM) 16
UNDRM 28 Wheel house part 32 Wheel house outer panel 42
Floor panel 60 Wheel house inner panel 60B
Flange portion 72 Subframe

Claims (1)

[Claims] 1. A vehicle body module assembly structure in which a vehicle body is constructed by assembling an atsupa module constituting a roof area and a door area, and an undermodule constituting an underbody including a flat floor panel, wherein a atsupa module is formed on the atsupa module. The wheel house part and
A vehicle body module assembly structure, comprising: a floor panel formed on the undermodule and to which a lower end portion of the wheel house portion is joined in substantially the same horizontal plane.