JPH0630604Y2 - Car body structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a vehicle body structure of an automobile.

2. Description of the Related Art As is well known, automobiles have various panels joined to each other by using a strong member having a closed cross section such as various pillars, side sills, side members, cross members, cowl boxes and roof rails as a skeleton. And the three-box type, the engine room is separated from the cabin and the trunk room. No matter which type of vehicle body you are,
Volume 19: Manufacturing method for automobiles: The various frame members and panel materials described above are sequentially joined as described in Item 7.4 "Vehicle assembly process" of 178P-179P issued by Sankaido on April 20, 1980. After constructing a white body, through the painting process, the fitting process, and the suspension assembly process, the engine and suspension are assembled, and the final wiring and other small parts are installed in the next total assembly process. It is completed by performing.

Problems to be Solved by the Invention For the engine and the suspension, an electronic centralized control system to which a microcomputer is applied is used today, and the control unit of the system avoids the influence of engine radiant heat. Therefore, it is attached to the dust side inside the cabin. Therefore, in a vehicle body in which the engine room and the cabin are integrated, it is possible to perform a performance inspection related to control of the engine etc. not only when the engine room is separated but the engine is mounted This is after the control unit is installed. For this reason, there is the disadvantage that defects related to the control of the engine etc. cannot be found early, and when a defect is found, it is necessary to go into the cabin and adjust the control unit, which is a major adjustment task. It took a lot of effort.

The present invention has been made in view of the above conventional problems, and by dividing the engine compartment from the body of the vehicle, various functional parts are provided in the engine room in a state where the cabin is not separated. It is intended to provide a vehicle body structure of an automobile capable of performing inspection and adjustment.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides an engine compartment at the front of a vehicle body including a dashboard side panel arranged on both sides of a vehicle body lower panel. It is molded separately from the body behind the cushion side panel, and the split ends of the engine compartment and body are joined together to further increase the torsional strength of the joint between the engine compartment and the body It is designed to facilitate the alignment of the.

By assembling various functional parts such as an engine in the engine compartment having the divided and molded duty side panel, and by arranging the control unit and the like of the electronically controlled functional components on the duty side panel, The performance inspection of various functional parts can be performed by the engine compartment alone.

Furthermore, the connection between the engine compartment and the body of the vehicle,
Do it from two directions, the vehicle width direction and the vehicle front-rear direction,
In addition to increasing the torsional rigidity of the joints, the engine compartment and the body of the vehicle are provided with inclined surfaces in the vehicle front-rear direction, which facilitates alignment during joining.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.
That is, as shown in FIG. 1, the vehicle body is roughly divided into an engine compartment 1 and a vehicle body 2.
Is further divided into a floor assembly 3, a body side assembly 4, a roof assembly 5 and a rear end assembly 6.

The engine compartment 1 is provided with a dash lower panel 7, a cowl box 8 provided on the upper side of the dash lower panel 7, and a pair of left and right hood storage panels 9 and 9 projecting forward from both sides of these. ing. The cowl box 8 is formed in a closed cross-sectional shape including a dust upper panel 10 and a cowl top panel 11. As shown in the enlarged view of FIG. 2, the front edge portion of the duty side panel 12 is joined to both sides of the duty lower panel 7, and the upper edge portion of the duty side panel 12 is It is connected to the touch panel 10. Vertical sides 12a for coupling to the vehicle body 2 are formed at the rear ends of both sides of the dash side panel 12, and front and rear inclined planes 10a for coupling to the vehicle body 2 are formed at both left and right ends of the dash panel 10. . Side members 13 and 13 are joined to an inner lower edge portion of the hood edge panel 9, and the side members 1 and 13 are joined together.
A front cross member 14 is laid across the front ends of the members 3, 13. Further, the rain force 15 disposed on the outer upper side of the hood edge panel 9 has two parts in the front half 15a and the rear half 15b.
It is divided, and only the front half portion 15a is attached to the hood ledge panel 9 in advance. Floor assembly 3
Is a combination of a front floor panel 16 and a rear floor panel 17. The body side assembly 4 includes a front pillar 18, a center pillar 19, a rear pillar 20, a side sill 21, a roof rail 22, and a rear front panel 23. A flange 2 is formed at a lower portion of a front edge of the front pillar 18 and is connected to a vertical surface 12a for connecting to the vehicle body 2 formed at both rear ends of the dash side panel 12.
4, brackets 25 are provided near the upper portion of the flange 24 so as to be joined to the front-rear direction inclined surfaces 10a for joining to the vehicle body 2 formed at the left and right ends of the dash upper panel 10.

The roof assembly 5 includes a roof panel 26, and a front roof rail 27 and a rear roof rail 28 that are attached to front and rear end portions of the roof panel 26 and extend in the vehicle width direction.

The rear side assembly 6 has a rear end panel 29 forming a rear wall of the vehicle body, and the rear end panel 29 is formed with openings 30, 30 for mounting a lamp unit.

The engine compartment 1 and the assemblage 3, 4, 5 and 6 described above are respectively assembled by sub-lines and then painted. Therefore, the engine compartment 1 is already separated from the engine room 31 by the hood storage panel 9, the dash lower panel 7, the cowl box 8 and the like, so that the engine 32, the radiator 33, the battery 34 and the front suspension are separated. You can attach Shion 35. Further, since the duty side panel 12 is attached to the engine compartment 1 as described above, as shown in FIG.
Control unit 36 for electronically controlling 32 and front suspension 35, headlamp unit 38 mounted via radiator core support panel 38, and mounting of other electrical components such as fuse box and other centralized circuits on the dashboard side panel 12 Is possible.
As a result, the engine compartment 1 alone can perform a performance inspection relating to control of the engine and the like and a performance inspection of various electric components, and defects of these components can be found early. In addition, when a defect is found in the control system, the electronic circuit, or the electric circuit when the engine compartment 1 alone is inspected in this way, it does not go into the cabin and the circumference is open. Control unit 36 mounted on panel 12
Can be easily adjusted.

On the other hand, for floor assembly 3, shift lever 3
9, front seats 40, 40 rear seat 41 rear axle unit 42 and a carpet (not shown) are assembled, and the body side assembly 4 is fitted with interior components such as a window glass 43, a strut 44, and a trim material (not shown). Further, a ceiling trim room lamp (not shown) is attached to the roof assembly 5, and a rear lamp unit 45 can be attached to the opening 30 of the rear end assembly 6. Then, the assemblage 3, 4, 5 and 6 whose assembly is completed in this way is the main line. First, the lower edge portion of the dash lower panel 7 of the engine compartment 1 is attached to the front edge of the front floor panel 16 of the floor assembly 3. The rear end assembly 6 is bolted to the rear edge of the rear floor panel 17 while being bolted. Next, the side sill 21 of the body side assembly 4 is bolted to the side edges of both floor panels 16 and 17, and the front pillar 1
The flange 24 provided on the
After bolting to the vertical surfaces 12a for connecting to the vehicle body 2 at the rear ends of both sides, the rear half 15b of the rain force 15 is connected to the front half.
The front and rear ends of the dash upper panel 10 are connected to the bracket 25 of the front pillar 18 by bolting the front and rear inclined surfaces 10a for connecting to the vehicle body 2 at the left and right ends of the dash upper panel 10. To fix. Further, the rear end portion of the rear front panel 23 is bolted to the rear end assembly 6, and the roof side rail 22 is bolted to the roof assembly 5. After that, the front bumper 46, the front fan 47, the engine hood 48, the front window 49, the front back doors 50 and 51, the rear bumper 52, etc. are mounted.

Effect of the Invention As described above, according to the present invention, the vehicle body is divided into the engine compartment and the vehicle body, and the molded body is provided with the dummy side panel on the engine compartment side at the front of the vehicle body. Therefore, it is possible to assemble various functional parts such as the engine and electrical components to the engine compartment in advance, and to arrange the control unit and the electronic and electric circuit units of these parts on the duty side panel. It is possible to perform performance inspections related to engine control and various electrical components. Therefore, it is possible to detect defects in these parts at an early stage, and when a defect is found in the control system, electronic or electric circuit, adjustment can be performed without entering the cabin, facilitating adjustment work. Can be achieved. Further, when connecting the engine compartment and the vehicle body, not only the dash side panel and the body side assembly are joined in the vehicle width direction, but also the both ends of the dash upper panel and the front pillar brackets are joined in the vehicle longitudinal direction. ,
In addition to increasing the torsional rigidity of the connecting part, the front and rear inclined surfaces are provided in the engine compartment and the body of the vehicle, which facilitates the alignment during connection.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention, and FIG. 2 is an enlarged view of an essential part of FIG. 1 ... Engine compartment, 2 ... Car body, 7
...... Dash lower panel, 10 …… Dash upper panel, 10a …… Sloping front-rear surface for coupling, 12 …… Dash side panel, 12a …… Vertical surface for coupling.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Kazo Inoue 2 Takaracho, Kanagawa-ku, Yokohama, Kanagawa Nissan Motor Co., Ltd. (56) References: 62-102769 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. An engine compartment in the front of a vehicle body, which includes a dash lower panel, dash side panels arranged on both sides of the dash lower panel, and a cowl box laterally provided above the dash lower panel, the rear engine compartment being located behind the dash side panel. It is molded separately from the body of the car, and at the split end of the engine compartment and the body of the car, the vertical sides for connecting to the body of the dash are attached to the rear ends of both sides of the dash side panel, and the left and right ends of the dash upper panel. The front pillar of the vehicle body is provided with mounting surfaces corresponding to the vertical surface and the longitudinal inclination surface, respectively, and the vertical pillar of the engine compartment is formed on the front pillar of the vehicle body. And an inclined surface are respectively connected to the mounting surface of the vehicle body, and the vehicle body structure is characterized by .