JPS63235178A - Body structure of vehicle - Google Patents

Abstract

PURPOSE:To employ a common body for two-box type automobile and three-box type automobile by forming a box having a recess for constructing a rear room of body integrally from resin, then setting the box on the rear floor of the body. CONSTITUTION:A box 5 integrally formed from resin is fixed onto the rear floor of the floor panel 3 in a floor unit Fu. The box 5 has a recess 5a for constructing the rear room of body, i.e. a trunk room, and a rear parcel panel 5b for partitioning the cabin and the trunk room is formed at the front side. A rear seat back side brace 5c is formed at the front end side of the rear parcel panel 5b, and a rear wheel house cover 5d is formed at the opposite sides. A trunk lid is fixed openably/closably in the recess 5a of the box. A two-box type vehicle can be constructed easily by modifying the shape of the box.

Description

[Detailed description of the invention] [Industrial application field 1 The present invention relates to an automobile body structure.

[Prior Art] As is well known, the body of an automobile is made up of various pillars, side sills,
Various panel materials are connected using closed cross-section strength members such as side members, cross members, cowl boxes, and roof rails as a framework.In the 2-box type, the engine compartment and cabin are connected, and in the 3-box type, the engine compartment and cabin are connected. They are separated from the trunk room. No matter which type of car body you have, Automotive Engineering Full-width Volume 19: Automobile Manufacturing Method: April 20, 1980, published by Sankaido, pages 178 to 1.
As is clear from the contents described in item 7.4 "Vehicle body assembly process" on page 79, the various frame members and panel materials are sequentially joined to form a white body, which is then subjected to a painting process,
The parts are sequentially transferred to the l1lii installation process, and various functional parts and interior parts are finally assembled.

[Problems to be Solved by the Invention] Incidentally, in order to reduce manufacturing costs or facilitate management, it is necessary to create a different body for each car model, such as a 2-box type or a 3-box type. It is desirable that the basic structure of is shared as much as possible.

However, conventional three-box type automobiles are equipped with a rear parcel panel that separates a cabin from a trunk, a V-window, and a trunk lid.

In addition, two-box type cars do not have a rubber cell panel and are equipped with a back door that can be opened and closed.

Therefore, the basic structure of the car body lyse was completely different, and the body sides, etc. that housed various leaflets, etc., had to be manufactured to suit each vehicle.

For this reason, two types of production lines for the body side and the like are required, which is complicated to manage and causes an increase in costs.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an automobile body structure that allows sharing of body sides and the like.

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a vehicle body in which the vehicle body drawer 7 is opened between the rear end panel, the body side and the roof, and there is no rear parcel panel or rear waist. A box having a concave portion for configuring the rear room of the vehicle body is integrally molded with resin, the box is provided on the rear floor of the vehicle body, and functional parts are attached to the opening of the rear of the vehicle body.

[A functioning co-box is provided on the rear floor of the vehicle body, and functional parts are installed in the opening in the rear of the vehicle body. If this box is one in which the rear parcel panel and rear waist are integrally molded, the vehicle body will be a three-box type, and if the box is one in which a back door frame is integrally molded, the vehicle body will be a two-box type.

[Example] This invention will be described in detail below.

FIG. 1 shows an exploded perspective view of an automobile according to an embodiment of the present invention. The body 1 of this automobile mainly includes, for example, an engine compartment EC at the front of the vehicle body and a floor panel 3 on the side of the engine compartment ECI. It is mainly divided into four units: the floor unit FU, the body side BS including various leaflets and side sills, and the roof unit RU, which mainly consists of roof panels. After being transported, painted, and assembled with various parts, they are connected to each other.

A box 5 integrally molded from resin is attached to the rear floor of the floor panel 3 of the floor unit FU, as shown in FIGS. 1 to 3. As shown in FIG. 3, the box 5 has a recess 5a that constitutes a trunk room as a V-room in the vehicle body, and on the front side thereof there is a rear parcel panel 5 that partitions the cabin and the trunk room.
b is formed. Therefore, by installing this box 5, this automobile becomes a three-box type vehicle having a trunk room formed by the recess 5a. A palm pack side place 5C is formed on the end side of the rear parcel panel 5b, and a lever wheel house force bar 56 is formed on both sides. A strut hoe matching portion 5e is formed in the earthen wall portion of the rear wheel house cover 5d.

Furthermore, side walls 5'' are formed on both rear sides of the rear wheel house cover 5d of the box 5, and are aligned with the rear part of the rear fender, which will be described later, while the rear end portion is aligned with the rear end panel 7 shown in FIG. A rear wall 5g is formed.Furthermore, a spare tire storage portion 51 that fits into the alignment recess 3C of the floor panel 3 is formed on the rear side of the bottom wall 5h.

The upper end of the left and right side walls 5f of the box 5 is the body side BS.
A horizontal surface 5j is formed that aligns with the pouring ender, and a drip channel 5k is integrally formed on the inner side of the horizontal surface 5j. The drip channels 5 on both sides are continuous with the drip channel 5m at the rear of the rear 9S 85 length which is integrally molded on the rear edge of the rear parcel panel 5b, and the horizontal surface 5j is the upper surface 5 of the rear waste 1-5 magazine.
Continuous to n. And on drip channel 5, 5
mg) The weather strip 9 shown in FIGS. 4 to 6 is fitted into the edge portion 43. As shown in FIG. 11, and sealing performance is maintained. However, this weather strip 9 is omitted in FIG. 3.

Furthermore, in the front part of the rear waist upper surface 50, there is an A7 window frame RW as shown in FIG. 4, which is a sectional view taken along line IV-IV in FIG. A groove 5p forming the lower part of 'F is formed. When the box 5 is attached to the car (A1), this groove 5p is continuous with the 7 flange 13.15 formed on each edge of the A7 villa 11 and the roof unit RU, as shown in FIG. cage, groove 5p and flange 13.
15 constitutes a rear window frame RWF of the relay window shield panel 17.

On the four parts 5a of the box 5, the trunk lid 19 is installed so as to be openable and closable, as shown in Figure M4. The trunk lid 19 is rotatably attached (pull) to the bracket i~23 provided on the lower side of the rear quest 5 by the tip of the hinge 21 attached to the lower surface of the rear parcel panel 5b side of one of the trunk lids 1 to 1. Open and close 5a.

Such a box 5 is provided on the floor panel 3F of the mid-day rest 1, as shown in FIG. 5, which is a 2-V line view of FIG. At the time of this attachment, the spare tire storage section 51 enters into the alignment recess 3c of the floor panel 3, so that positioning of the box 5 with respect to the floor panel 3 becomes easy. In this set state, the box 5 has a plurality of bolts 2 attached to the floor panel 3.
5 and weld nut 27, and both sides are the body! Covered by the rear of Knight BS.

On the other hand, the Body Zide BS includes various types of flyers and side sills, and the rear part forms a box cross-section skeleton of the rear wing 11 etc. by welding and joining the rear fender inner 29 and the rear wing liner 32 as shown in FIGS. 7 and 8. are doing. In addition, the rear wing liner 32 and the two horizontal flanges 32a and 29a of the rear fender inner 5j and the rear pillar 11 side end are connected to the rear window frame RW F.
A stepped portion 30 is formed at the location. As a result, from the flange 13 on the side of the
7 consecutive window frames RWE are formed. Historically, the 7-fender outer 31 (as shown in FIG. 9) is separately composed, and the panel M R etc. can be completed or the A7 fender outer 31 can be replaced with the W fender inner 29.
It is configured to be fastened and connected to the outside of the

The rear part of this rear fender outer 31 extends to both left and right sides of the rear floor, and covers the beer liner 32. The rear ender outer 31 in this part is bent inward toward the upper side as shown in FIG. The rear villa liner 32 is bent to
A flange 31b is formed to be joined to a flange 32b at the lower end of the flange 31b.

At the rear of the box 5, the rear of the rear bill line J32 has a lower end flange 32b connected to a flange 3d formed at the side end of the floor panel 3, together with a lower end flange 31b of the rear fender outer 31, to a plurality of bolts 33 and a welt knot 34. J: is collinear.For this weld hole 1 to 34, the box 5 is the escape part 5
It is running away at q.

In addition, the flange 32a at the upper end of the rear villa liner 32, together with the upper end side 7 flange 31a of the rear fender outer 31,
It is collinear with a plurality of bolts 35 shown in FIG. 6 and a female threaded portion 37 integrally molded in advance on the box 5.

And Roots UNILA l-RU and Su A7 Billa 11,
A rear window shield panel 17 shown in FIG. A molding 39 shown in FIG. 8 is fitted into the gap with the surrounding area. The rear window shield panel 17 and the trunk lid 19 are the rear end panel 7 and body side BS of the vehicle body 1.

A functional component is configured to be attached to an opening formed in the rear of the vehicle body between the roofs constituted by the roof unit RtJ.

The box 5 has a carpet attached to its rear parcel panel 5b and bottom wall 5h before it is assembled to the floor panel 3.

In addition, as shown in FIG. 1, between the body sizes 188,
A front roof rail 41 and a rear roof rail 43 extending in the vehicle width direction at the front and rear of the roof are fastened together with bolts and nuts, and also have side roof rails 45, and a roof panel 47 is attached to each of these roof rails 41, 43, and 45. The main roof unit RU is fastened and connected with bolts and nuts. Furthermore, floor unit F
Dash panel 49 at the front end of U and body side BS
The engine compartment EC including the engine compartment EC is fastened and connected with bolts and nuts. What is the floor unit FIJ and the engine compartment EC?The floor unit FIJ is located at the rear edge of the lower panel 51 of the engine compartment EC.
Overlap the front edge of floor panel 3 of F Ll. Further, the body side BS and the engine compartment EC are fastened and connected to the bracket 54 of the dash panel @i section through the collinearity of the gusset 53 in the dash side panel 52.

, F floor unit FLJ, etc., before the units are connected to each other, the floor unit FLI has a floor carpet, front and rear seats 55.57. A rear suspension 59 and a rear wheel (not shown) are assembled, and the engine compartment EC is equipped with a power unit 60. A front suspension 61 and a front wheel (not shown) are installed on the dash panel 49, and an instrument 65 including a steering wheel 63 and various instruments is installed on the dash panel 49.
Trims and the like are assembled in advance for each S1 roof unit RU as well.

In relation to the mutual connection of each unit, the engine compartment EC has a front fender 69, an engine hood 71, a radio core support 73, and a
, and a front bumper unit 75 is attached to the rear,
A rear end panel 7, a rear combination lamp 77, and a rear pan puff 9 are attached to the rear of the floor unit FU.

The body side BS has front and rear doors 81.
83 is attached to the rear. Each door 81.83 has a door window shield panel 85.87, a door lifting mechanism,
The door lock Vt position, door trim, etc. are assembled in advance. A front window shield panel 89 is attached to the rear of the roof unit RU.

Next, the assembly of the box 5 and the mutual connection of each unit will be described.

This box 5 contains other units, namely the engine compartment EC1 floor unit FU.

It is resin molded on a separate line from the body tatami guide BS and roof unit RU, and interior parts such as carpets are attached. On the other hand, other units are welded separately.
After painting, they are transferred to another cotton line, where the power unit 60, front suspension 61, front wheels, etc. for the engine compartment EC, the seat 55.57, suspension suspension 61, rear wheels, etc. for the floor unit FU, and the body sides. B
For S and roof unit RU, trim etc.
Each can be assembled.

In each assembled unit, the engine compartment EC and the floor unit FU are firstly fastened together with bolts and nuts, and the box 5 is fastened and connected on the rear floor panel 3 of the floor unit FU. At this time, the fifth
As shown in the figure, the embossed box 5r1. Since the box 5 is installed at a position of J"i, the contact of the box 5 against the floor panel 3 is localized, ensuring a secure connection. Since the box 5 is made of resin, new trim is added to the side wall of the recess 5a that forms the trunk room. There is no need to decorate the interior.

Further, the body side BS is fastened and connected to the floor unit FU provided with the engine conversion member L-EC and the box 5 using bolts and nuts. At this time, the rear villa liner 32 is aligned with the box 5 along with the rear ender outer 31 on both sides of the box 5. At this time, a sealing material is interposed between the horizontal surface 5j of the box 5 and the flange 32a of the rear villa liner 32 to prevent rainwater from entering. Then, the roof unit RU is fastened and coupled to the body side BS.

After that, attach the windshield panel 17 to the rear window frame RWF, and attach the rear end panel 7 to cover the rear wall 5g of the box 5.
Connect to the rear pant with bolts and nuts. Then, the trunk lid 19 is attached, and this 1-rank lid 19 may be assembled by attaching the box 5 to the floor unit FU, and includes the body side BS and the box 5 that are connected to each other. The floor unit FU, the engine compartment EC, and the roof unit RU which are connected to each other may be assembled before being combined.

In addition, the front window shield panel 89, pan buff 3.79, engine hood 71, door 81.83, etc. are attached to the rear.

As described above, by assembling the box 5 to the vehicle body 1, the four parts 5a of the box 5 become the rank room 3.
A box-type car is completed.

Next, a case where the vehicle body 1 is shared as a hatchback vehicle will be described. In this case, the box 51 shown in FIG. 10 is replaced with the box 5 shown in FIG.
It is installed on the rear floor of the U floor panel 3. The box 51 corresponds to XI-XI in FIG.
As shown in FIG. 11, which is a cross-sectional view, the back door 53 has an opening 51a that opens and closes, and the peripheral edge of the opening 51a constitutes a back door frame BDF of the back door 53. At this time, the back door 53 becomes a functional component attached to the rear opening of the vehicle body 1.

The box 51 is integrally molded from resin like the box 5 described above, and has a recess 51b constituting a luggage space as a rear room for mid-day break 1, and has left and right side walls 5
1C, the rear wall 51d, the bottom wall 51e, the rear villa alignment part 51 that is continuously formed forward from the side wall 51c, and the roof unit alignment part 51 that connects both the left and right rear villa alignment parts 51.
(Mainly consists of + and.

Also, a horizontal surface 51h where the upper flange 32a of the cage liner 32 is aligned with the upper end of the side wall 51G of the box 51.
However, on the side edge of the opening 51a of the rear villa alignment part 51, there is a rear villa alignment part 51i that is aligned with the inner surface of the flange 13 of the villa 11, and furthermore, a rear villa alignment part 51i that is continuous with this rear villa alignment surface 51i is formed on the side edge of the opening 51a of the rear villa alignment part 51 (l). 43 are respectively formed to align with the lower surfaces of the flanges 15. The horizontal surfaces 51
A step portion 51k that aligns with the step portion 30 on the body side BS side is formed at the boundary between h and the rear villa alignment portion 51i. A drip channel 51 is continuously formed integrally with the inner side edge of each of these surfaces 51h, 51i, and 51j, and weather 1 to lip 55 are formed on the edge of the drip channel 51 as shown in FIG. is injected. Furthermore, the box 5 is formed with an opening 51m that communicates the four parts 51b with the main 11 bins on the front side thereof, and furthermore, similarly to the box 5, a carrier wheel house force bar 5 is provided on both sides.
1n and a strut tower matching part 51p are formed, and a spare A7 storage part 51Q is formed in the bottom wall 51e.

J3, the back door 53 is attached to the upper part of the back door frame BDF via a hinge 91 as shown in FIG. It is maintained.

Like the box 5 described above, such a box 51 is resin-molded in a line separate from other units, and has interior decoration such as a carpet attached to the bottom wall 51e before assembly to the vehicle body 1. After the product is assembled, it is connected to the floor panel 3 of the floor unit FtJ connected to the engine compartment EC with bolts and nuts in the same way as the box 5, and on both sides there are internally threaded screws integrally formed on the horizontal surface 51h. 37 is used to connect the rear quarter section of the body side BS, while the roof side beam is connected to the weld nut 95 and bolt 97 attached to the roof rail 43.
It is fixed to the rear roof 7 rail 43 via the mounting hole 51s. This box 51 is also similar to the box 5 described above.
Since it is made of resin, there is a recess 51 that forms a luggage space.
There is no need to install trim on the b side wall. Then, attach the roof unit RU to the body side BS roof rail 4.
Connect bolts and nuts 99 to 3-. A through hole 51t into which a tool enters during this connection is formed in the roof rail alignment portion 51g. Note that the horizontal surface 51h of the box 51,
Rear villa matching surface 5111 roof rail matching surface 51j,
A sealing material is interposed between the body side BS and the roof unit RU to prevent rainwater from entering. Thereafter, the rear end panel 7 is bolted and nutted to the rear end of the cabin liner 32 and the rear end of the floor panel 3 of the body side BS so as to cover the rear wall 51d of the box 51.

Then, the back door 53 is assembled, but the back door 53 may be attached to the box 51 and made into a subassembly before the box 51 is attached to the floor unit FU. Others, front window shield panel 89
The engine hood 71 is attached to the rear of the vehicle, similar to the three-box type vehicle described above.

As described above, a 2-box type hatchback car can be constructed from the body side B of the 3-box type car mentioned above.
S. Can be completed by sharing the roof unit RLI. Therefore, the same body side BS etc. can be shared between different vehicle types such as 2-box type and 3-box type, so there is no need to change the operation control etc. of the welding robot for each type, reducing manufacturing costs. be able to. In addition, it is sufficient to prepare only one type of body side for a large unit, which is easy to handle and is advantageous in matching with floor units and the like. The need for scales in large units is reduced, making management easier. Therefore, it is suitable for modularization of vehicle bodies. Furthermore, by selecting the boxes 5 and 51 to be molded with resin for any type of automobile, it is possible to promptly respond to the user's request and provide the box 5 and 51 quickly. box 5
．． 51 is resin molded, so even if there are two types of boxes, '! J j'L is easy. Also, since it is a box, it is easy to take out and take out.

In addition, floor unit FU, body night BS.

Engine compartment EC1 and Roots Unira I-
Since the RU is divided and composed for each unit, welding of the panels of each unit can be performed in an open space, so automatic control by a welding robot can be simplified. Furthermore, since various interior functional parts can be installed in an open space, automation using robots becomes easy.

The divisional composition of each unit of the vehicle body is not limited to the above, but for example, a combination of the body 1 side BS and the roof unit RU may be combined with the combination of the floor unit FU and the engine compartment EC. Good too.

[Effect of the invention] As described above, according to the present invention, the 2-box type and 3-box type
Since body guides and the like can be shared between different car models such as box types, it is possible to reduce manufacturing costs and facilitate management.

[Brief explanation of drawings]

The attached drawings relate to embodiments of the present invention, and FIG. 1 is an exploded perspective view of a three-box type automobile in which each unit is divided and assembled, FIG. 2 is a side view of the automobile shown in FIG. 1, and FIG. A perspective view showing how the box and floor unit are connected,
FIG. 4 is a sectional view taken along line Iv-Iv in FIG. 3, and FIG. 5 is a cross-sectional view taken along line V-Vl in FIG. Ji side view, Figure 6 is an enlarged sectional view of the main part of Figure 5, Figure 7 is an explanatory diagram of the rear villa area, Figure 8 is a cross-sectional view taken along the line ■-■ of Figure 7, and Figure 9 is an enlarged sectional view of the main part of Figure 5. Fig. 10 is a perspective view of a box used when the car body is used as a hatchback car, Fig. 11 is a perspective view of the fender outer, and Fig. 11 is a view of XI-X in Fig. 10 with the box shown in Fig. 10 attached to the car body.
I have a definite plan. BS...Body side RU...Roof unit...Vehicle body 3...Floor panel 5.51...Box 5a, 51b...Four parts 5b...Rear parcel panel 5u...Rear waist 7 ...Rear end panel 17...Rear window shield panel 19...Trunk lid 53...Back door RWF...Rear window frame BDF...Back door frame RU Fig. 2

Claims (3)

[Claims] (1) The rear of the vehicle body opens between the rear end panel, the body side, and the roof, and there is no rear parcel panel or rear waist. A box that has a recessed part to configure the rear room of this vehicle body is integrally molded with resin. and the box is provided on the rear floor of the vehicle body,
An automobile body structure in which functional parts are attached to an opening in the rear of the vehicle body. (2) A patent claim characterized in that the box is integrally formed with a rear parcel panel that partitions a cabin and a rear waist that constitutes a lower part of a rear window frame, and the functional parts are a rear window shield panel and a trunk lid. The vehicle body structure of the vehicle described in scope 1. (3) The vehicle body structure of claim 1, wherein the box is integrally molded with a frame for a back door, and the functional component is a back door attached to the frame.