JPH09193830A - Vehicular side body structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular side body structure improving the appearance seen in a side view. SOLUTION: A side body 1 is composed of a front side body 2 and a rear side body for two doors 3a. The front side body 2 is a frame shape having a front opening part for getting on and off 4 and is formed integrally by a front side thill constituent part 5, a first pillar constituent part 6, a first second pillar constituent part 7 and a front roof side rail constituent part 8. The rear side body for two doors 3a is formed integrally by a wheel house constituent part 22, a second second pillar constituent part 23 insertable into the first second pillar constituent part 7, an end pillar constituent part 24 and a rear roof side rail constituent part 25. The rear side body for two doors 3a is provided with a stacked part 28 consisting of an inserted thill part 26, the second second pillar constituent part 23 and an inserted rail part 27.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle side body structure forming a side surface of an automobile.

[0002]

2. Description of the Related Art Conventionally, a main body of a two-door type automobile is composed of a side body 81 forming a side wall and a roof 82 forming a ceiling, as shown in FIG. Front side body 83 on the front side and rear side body 84 on the rear side of the vehicle body
(Nissan Motor Co., Ltd. Service Weekly Report No. 590 (Y60-1)).
The front side body 83 includes a side sill 85 forming a lower edge, a front pillar 86 welded to a front end of the side sill 85, a center pillar 87 welded to a rear end of the side sill 85, the center pillar 87, and A front roof side rail 88 that connects the front pillars 86 is formed in a frame shape, and an opening / closing opening 89 for a front seat is formed.

As shown in FIG. 6, the body of a four-door type automobile is composed of a side body 91 forming a side wall and a roof 92 forming a ceiling. The side body 91 is located on the front side of the vehicle body. Are roughly divided into a front side body 93 and a rear side body 94 on the rear side of the vehicle body. This front side body 93 also has the side sill 95 and the side sill 9 similarly to the two-door type.
First pillar 96 as a front pillar welded to No. 5, second pillar 97 as a center pillar welded to side sill 95, and second pillar 97
And a front roof side rail 98 that connects the first pillar 96 in series, and is formed in a frame shape, and an opening / closing opening 99 for a front seat is formed.

The first pillar 96 and the front roof side rail 98 in the 4-door type are
The same door type front pillars 86 and front roof side rails 88 are used, and members are shared between a two-door type automobile and a four-door type automobile.

[0005]

However, the front side body 8 in the two-door type and the four-door type is used.
3, 93 are side sills 85, 95, front and first pillars 86, 96, center and second pillars 87, 97, front roof side rails 88,
It takes time to assemble the front side bodies 83 and 93 because the four members 98 and 98 are formed by welding. Also, since four members are joined at multiple points, there are many joints,
It looks bad.

The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a side body structure of a vehicle that improves the appearance from the side.

[0007]

In order to solve the above-mentioned problems, in the invention of claim 1, there is provided a frame-shaped front side body forming a front side of a vehicle body in which a front entrance / exit opening is formed, The front side body is connected to the front side body and forms a rear side of the vehicle body. The front side body is formed with a side sill forming portion forming a lower edge and a front edge standing upright from a front end of the side sill forming portion. A front pillar forming part, a center pillar forming part standing upright from a rear end of the side sill forming part to form a trailing edge, and an upper edge provided between the front pillar forming part and the center pillar forming part It is integrally formed with the front roof side rail constituent part and is integrally formed with the center pillar constituent part on the rear side body. To form a superposed portion extending along the center pillar structure portion fixed.

That is, when forming the side body, the center pillar forming portion of the front side body is overlapped with the overlapping portion of the rear side body, and the overlapped portions are joined to each other.

Further, in the invention of claim 2, the rear side body is prepared as a four-door type having a rear loading / unloading opening and a two-door type having no rear loading / unloading opening. On the front side body,
The rear side body selected from the 4-door type or the 2-door type is connected.

That is, when manufacturing a four-door vehicle, a four-door type rear side body having a rear entry / exit opening is joined to the front side body to form a side body for a four-door vehicle. Further, when manufacturing a two-door vehicle, a two-door type rear side body having no rear entrance / exit opening is joined to the front side body to form a side body for the two-door vehicle.

Further, in the invention of claim 3, an inner panel projecting toward the passenger compartment is provided on an inner wall surface of the center pillar constituent portion on the passenger compartment side, and is closed by the center pillar constituent portion and the inner panel. A cross-sectional shape was formed.

As a result, the center pillar constituting portion, which is a joint portion between the front side body and the rear side body, is reinforced.

Further, in the invention of claim 4, the center pillar constituting portion is bulged toward the vehicle interior side, and
The overlapping portion is bulged to the outside of the vehicle compartment, and the center pillar having a closed cross section is formed by the center pillar forming portion and the overlapping portion.

That is, in the step of forming the side body in which the overlapping portion of the rear side body is joined to the center pillar forming portion of the front side body, the center pillar having a closed cross-sectional shape including the center pillar forming portion and the overlapping portion is formed. It is formed.

In addition, in the invention of claim 5, the front side body is formed of a member thicker than the rear side body.

As a result, the strength of the front side body forming the front side of the vehicle body is increased.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a side body 1 according to the present embodiment.
In the same manner as the conventional example, the main body of the automobile is formed together with the roof forming the ceiling. The side body 1 is composed of a front side body 2 forming the front side F of the vehicle body and a rear side body welded to the front side body 2 and forming the rear side R of the vehicle body. The two-door rear side body 3a shown in FIG. 1 and the four-door rear side body 3b shown in FIG. 2 are prepared.

As shown in FIG. 1, the front side body 2 is formed by press-molding a plate-like member, and is formed in a frame shape having a front passenger entrance / exit opening 4. That is, the front side body 2 includes a front side sill forming portion 5 forming a lower edge, and a first pillar forming portion 6 (a front pillar forming portion) standing upright from a front end of the front side sill forming portion 5 to form a front edge.
A first second pillar forming part 7 (center pillar forming part) standing up from the rear end of the front side sill forming part 5 to form a trailing edge, and the first pillar forming part 6
And the first roof pillar side rail constituent portion 8 which forms the upper edge by continuously connecting the first second pillar constituent portion 7. The first pillar structure part 6 is formed with a rear bent part 9 which is bent from the midway part to the vehicle body rear side R side, and the front roof side rail structure part 8 is formed from the first second pillar structure part 7. An extension portion 10 that extends toward the rear side R of the vehicle body is formed.

As shown in FIG. 3, the first second pillar-constituting portion 7 is provided with a reinforcement portion 11 bulging toward the outside O side of the passenger compartment at the center thereof, and at the center of the reinforcement portion 11. Is formed with a curved concave portion 12 on the vehicle compartment I side. Then, at both end portions 13, 13 on the inner wall surface of the first second pillar constituting portion 7, an inner panel 14 having a U-shaped cross section extending vertically along the first second pillar constituting portion 7 is formed. The inner flanges 15 and 15 formed on both edges are welded together, and the inner panel 14 and the first second pillar constituting portion 7 form a closed cross-sectional shape. In addition, each of the constituent parts 5,
All of 6 and 8 are also formed in a hat-shaped cross-sectional shape that is open to the passenger compartment I side, and are continuously formed.

The two-door rear side body 3a is
As shown in FIG. 1, the front side body 2 is formed by press-molding a thin plate-shaped member, and is formed in a frame shape having a window opening 21 for a rear side window. That is, the two-door rear side body 3a includes the wheel house component 22 that forms the lower edge.
A second second pillar forming part 23 standing upright from the front end side of the wheel house forming part 22 to form a front edge, and an end pillar standing upright from the rear end of the wheel house forming part 22 to form a rear edge. It is integrally formed by the structural part 24 and the rear roof side rail structural part 25 that continuously connects the second second pillar structural part 23 and the end pillar structural part 24 to form an upper edge.

A fitting sill portion 26 which is fitted to the rear end of the front side sill constituting portion 5 is formed in the wheel house constituting portion 22, and the front roof is formed in the rear roof side rail constituting portion 25. A fitting rail portion 27 that is fitted to the rear end of the third rail constituent portion 8 is formed. In addition, the second second pillar structure portion 23, together with the fitting sill portion 26 and the fitting rail portion 27, includes the first
The second-door rear side body 3a includes a fitting sill portion 26, a second second pillar constituent portion 23, and a fitting rail portion 27. First second pillar component 7
An overlapping portion 28 is formed on the outer side of the passenger compartment O side. The end pillar structure portion 24 is formed with a front bending portion 29 that is bent from the midway portion toward the front side F of the vehicle body.

As shown in FIG. 3, the second second pillar-constituting portion 23 is bulged to the outside O of the vehicle which is fitted to the first second pillar-constituting portion 7 of the front side body 2. The portion 30 is formed, and the outer fitting portion 30 is formed.
The rear flange portions 31, 31 formed at both ends of the first flange portion are welded to the both end portions 13, 13 of the first pillar forming portion 7, and the joint portions thereof are seal members 32, 3
2 is covered. As a result, the first second pillar component 7 and the inner panel 1 welded thereto
The hollow pillar-shaped second pillar 33 (center pillar) is formed by 4 and the second second pillar constituting portion 23. And this rear side body 3 for 2 doors
All of the constituent parts 22, 24, 25 constituting a are also formed in a hat-shaped cross-sectional shape that is open to the passenger compartment I side,
Each is formed continuously. A pillar garnish 34 having a U-shaped cross section is attached to the inner panel 14 by a bolt nut at a portion not shown, and an anchor bolt 35 for fixing a seat belt through not shown is attached to the inner panel 14. Is provided.

On the other hand, the rear side body 3 for the four doors
b is also press-molded by a plate-shaped member having the same thickness as the two-door rear side body 3a, and this four-door rear side body 3b has a rear entrance / exit opening 41 and a window opening, as shown in FIG. 42 is formed into a frame shape. That is, rear side body 3 for 4 doors
b is a rear side sill forming part 43 forming a lower edge, a third second pillar forming part 44 standing upright from the front end side of the rear side sill forming part 43 to form a front edge, and the rear side sill forming part 43. A third pillar forming part 45 standing upright from a central part and an end pillar forming part 46 standing upright from a rear end of the rear side sill forming part 43 to form a trailing edge.
And a rear roof side rail constituent portion 4 in which the third second pillar constituent portion 44, the third pillar constituent portion 45, and the end pillar constituent portion 46 are continuously provided to form an upper edge.
And 7 are integrally formed.

A fitting sill portion 48 that fits at the rear end of the front side sill constituting portion 5 is formed in the rear side sill constituting portion 43, and the front roof is formed in the rear roof side rail constituting portion 47. A fitting rail portion 49 that is fitted to the rear end of the third rail constituent portion 8 is formed. The third second pillar structure part 44 is configured so that it can be fitted to the first second pillar structure part 7 together with the fitting sill part 48 and the fitting rail part 49, and the four-door rear side body 3b. Includes a fitting sill portion 48, a third second pillar constituent portion 44, and a fitting rail portion 49, and a superposed portion fitted to the first second pillar constituent portion 7 from the outside O side of the vehicle compartment. 50 are formed. The rear side sill structure part 43 is formed with a wheel house part 51 forming a wheel house, and the third pillar structure part 47 is formed so as to be inclined from the wheel house part 51 toward the front side F of the vehicle body. ing. In addition, in the end pillar constituent part 46,
A front bent portion 52 that is bent from the middle portion toward the front side F of the vehicle body is formed.

As shown in FIG. 3, the third second pillar-constituting portion 44 is externally fitted to the outside O of the vehicle, which is externally fitted to the first second pillar-constituting portion 7 of the front side body 2. The portion 53 is formed, and the outer fitting portion 53 is formed.
The rear flange portions 54, 54 formed at both ends of the first flange portion are welded to both end portions 13, 13 of the first second pillar constituting portion 7, and their joint portions are seal members 32, 3
2 is covered. As a result, the first second pillar component 7 and the inner panel 1 welded thereto
A hollow pillar-shaped second pillar 55 (center pillar) is formed by 4 and the third second pillar constituting portion 44. And this rear side body 3 for 4 doors
All of the constituent parts 43, 45, 46, 47 forming b are also formed in a hat-shaped cross-sectional shape that is open to the vehicle interior I side, and are continuously formed.

In FIG. 3, reference numeral 71 is a front door, and a glass run 73 is fitted on the door sash 72 of the front door 71, and a door glass 74 is slidably held on the glass run 73. A door weather strip 75 is provided on the inner wall surface of the door sash 72 so as to be in pressure contact with the outer fitting portions 30 and 53 of the second or third second pillar constituting portions 23 and 44. A rear door 76 has a glass run 78 fitted to the door sash 77 of the rear door 76, and a door glass 79 is slidably held by the glass run 78. In addition, the inner wall surface of the door sash 77 in the rear door 76 has the second or third second pillar component 2
A door weather strip 80 is provided that is pressed against the outer fitting portions 30, 53 of the third and fourth portions.

In forming the side body 1 of the two-door vehicle in the present embodiment having the above-mentioned configuration, as shown in FIG. 1, the side body 1 of the front side body 2 is attached to the first second pillar forming portion 7. The superposed portion 28 of the rear side body 3a for two doors is superposed from the outside O side of the vehicle compartment, and the superposed portion 28 is provided with the first second pillar constituent portion 7, the rear end portion of the front side sill constituent portion 5, and the front roof side. The rail structure portion 8 is externally fitted to the rear end portion and welded.
As described above, the side body 1 can be easily formed by simply welding the front side body 2 and the rear side body 3a for two doors. Therefore, the side sill, the front pillar, the center pillar, and the front pillar can be formed as in the conventional case. It is not necessary to weld the four members of the roof side rail to assemble the front side body and then to assemble the side body by welding the respective members that form the rear side body, which shortens the assembly time of the side body 1 and manufactures it. The cost can be suppressed.
Further, the side body 1 is formed by welding the integrally formed front side body 2 and the integrally formed rear side body 3a for two doors, so that it is compared with a conventional side body formed by a plurality of members. As a result, the number of parts is reduced and the seams are reduced, and the appearance of the side body 1 is improved accordingly. further,
The rigidity of the first second pillar component 7 can be increased by overlapping and joining the first second pillar component 7 of the front side body 2 and the overlapping part 28 of the rear side body 3a for two doors.

On the other hand, when forming the side body 1 of a 4-door vehicle, as shown in FIG. 2, the first of the front side bodies 2 used when forming the side body 1 of a 2-door vehicle is used. The side body 1 of a four-door vehicle can be formed by welding the overlapping portion 50 of the rear side body 3b for four doors, which has the rear passenger opening / closing portion 41, to the second pillar structure portion 7. That is, the rear side body 3a for 2 doors and the rear side body 3b for 4 doors are prepared in advance, and by selectively welding these to the front side body 2, the side bodies 1 and 2 doors for a 4 door vehicle are formed. A side body 1 for a vehicle can be formed, and in a 4-door vehicle and a 2-door vehicle,
The front side body 2 can be shared. As a result, the sharing of the front pillars and the front roof side rails can be increased compared to the conventional one.

Further, as shown in FIG. 3, the inner panel 14 is provided in the first second pillar constituting portion 7 which is a joint portion between the front side body 2 and the rear side bodies 3a and 3b for 2 doors and 4 doors. Since the inner panel 14 and the first second pillar constituting portion 7 form a closed cross-sectional shape, this joint portion can be reinforced. Therefore, even if an external force is applied to the joining portion during joining, it is possible to reliably prevent the joining portion from being deformed. Further, by forming the reinforcement portion 11 bulging toward the outside O side in the center of the first second pillar constituent portion 7, there is no need to weld a reinforcement formed of a separate member to the side body unlike the conventional case. , The same effect as this can be obtained.

Then, the front side body 2
And rear side bodies 3a, 3 for 2 doors and 4 doors
Since it is a separate body from b and is molded in a separate process,
Front side body 2 and each rear side body 3
Since a and 3b can be molded to different wall thicknesses,
The front side body 2 forming the front side F of the vehicle body,
The rear side bodies 3a, 3b are formed thicker than the rear side bodies 3a, 3b, whereby the strength of the front side body 1 on the front side F of the vehicle body, which is easily affected by engine vibration and the like, can be increased. Therefore, while appropriately maintaining the strength of the side bodies 1 on the front F side and the rear R side of the vehicle body,
The side body structure of the vehicle can reduce the manufacturing cost.

In the present embodiment, the first second pillar component 7, the inner panel 14 welded thereto, and the second or third second pillar component 2 are formed.
A second pillar 33 having a closed cross-sectional shape,
Although the case where 55 is formed has been described, as shown in FIG. 4, the first second pillar constituting portion 7 of the front side body 2 is bulged toward the passenger compartment I side, and the first second pillar constituting portion 7 is formed. The external fitting portion 3 that bulges toward the outside O side of the passenger compartment
The center pillars 33, 55 having a closed cross-sectional shape may be formed by welding the second or third second pillar constituent portions 23, 44 of the rear side bodies 3a, 3b having 0, 53 to each other. In this case, the first second pillar component 7 and the second or third second pillar component 23,
Since the center pillars 33 and 55 can be formed in the molding process of the side body 1 for welding the
Compared with the case where the center pillar is formed using another member, the number of molding steps can be reduced. Since the center pillars 33 and 55 can be formed without using separate members, the manufacturing cost can be reduced.

[0032]

As described above, according to the first aspect of the invention, the overlapping portion of the rear side body is superposed on the center pillar forming portion of the front side body, and the overlapping portions are joined together. Since the side body can be formed, each member constituting the rear side body after assembling the front side body by welding the four members of the side sill, the front pillar, the center pillar, and the front roof side rail as in the conventional case. There is no need to weld and assemble the side body. Thereby, the assembly time of the side body can be shortened and the manufacturing cost can be suppressed. Also,
Since the side body is formed by the front side body and the rear side body which are integrally formed, the number of parts is reduced as compared with the conventional side body formed by welding a plurality of members respectively. , The seams are reduced. Along with this, the appearance of the side body is improved. Further, the rigidity of the center pillar constituting portion can be increased by overlapping and joining the center pillar constituting portion of the front side body and the overlapping portion of the rear side body.

According to the second aspect of the present invention, a four-door type and a two-door type rear side body are selectively joined to the front side body to form a side body for a four-door vehicle. Since the side body for the two-door vehicle can be formed, the front side body can be shared between the four-door vehicle and the two-door vehicle. As a result, the sharing of the front pillars and the front roof side rails can be increased compared to the conventional one.

Further, according to the invention of claim 3, since the center pillar constituting portion which is a joint portion between the front side body and the rear side body can be reinforced, an external force may be applied to the joint portion at the time of joining. However, it is possible to reliably prevent the deformation of the joint portion. It is also possible to eliminate the reinforcement that reinforces the center pillar structure.

Further, in the invention of claim 4, in the step of forming the side body in which the overlapping portion of the rear side body is joined to the center pillar forming portion of the front side body, the center pillar forming portion and the overlapping portion are separated from each other. Since the center pillar having the closed cross-sectional shape can be formed, the number of molding steps can be reduced as compared with the case where the center pillar is formed by using another member. Since the center pillar can be formed without using a separate member, the manufacturing cost can be reduced.

In addition, in the invention of claim 4, the front side body is formed of a member thicker than the rear side body, and forms the front side of the vehicle body which is easily affected by engine vibration and the like. Therefore, the manufacturing cost can be reduced while the strength of the side bodies on the front side and the rear side of the vehicle body is appropriately maintained.

[0037]

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a side view showing a side body of the four-door vehicle according to the same embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a cross-sectional view showing another embodiment.

FIG. 5 is a perspective view showing a conventional example.

FIG. 6 is a perspective view showing another conventional example.

[Explanation of symbols]

1 side body 2 front side body 3a 2 door rear side body (rear side body) 3b 4 door rear side body (rear side body) 4 front entrance / exit opening 5 front side sill component 6 first pillar component 7 first second pillar Component (center pillar component) 8 Front roof side rail component 14 Inner panel 21 Window opening 28,50 Overlapping part 33,55 Second pillar (center pillar) 41 Rear entry / exit opening F Front of vehicle I Vehicle interior O vehicle Outdoor R Rear of vehicle

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuki Yukawa 10-1 Amanuma, Hiratsuka-shi, Kanagawa Nissan Shatai Co., Ltd.

Claims (5)

[Claims] 1. A frame-shaped front side body that forms a front side of a vehicle body in which a front passenger entry / exit opening is formed, and a rear side body that is connected to the front side body and forms a rear side of the vehicle body, The front side body includes a side sill forming part forming a lower edge, a front pillar forming part standing upright from a front end of the side sill forming part to form a front edge, and a rear sill standing upright from a rear end of the side sill forming part. The center pillar forming part to be formed and the front pillar side rail forming part forming an upper edge provided between the front pillar forming part and the center pillar forming part are integrally formed, and the center part is formed on the rear side body. Forming a superposed portion extending along the center pillar constituent portion which is integrally fixed with the pillar constituent portion Side body structure of a vehicle, characterized in that. 2. The rear side body is prepared as a 4-door type having a rear entrance / exit opening or a 2-door type not having the rear entrance / exit opening. Door type or above 2
The vehicle side body structure according to claim 1, wherein the rear side body selected from a door type is connected. 3. An inner panel projecting toward the passenger compartment is provided on an inner wall surface of the center pillar constituent portion on the passenger compartment side, and a closed cross-sectional shape is formed by the center pillar constituent portion and the inner panel. The side body structure for a vehicle according to claim 1 or 2, which is characterized. 4. A center pillar having a closed cross-sectional shape is formed by bulging the center pillar constituent portion toward the vehicle interior side and bulging the overlapping portion outside the passenger compartment, and by the center pillar constituent portion and the overlapping portion. The vehicle side body structure according to claim 1, wherein the side body structure is formed. 5. The vehicle side body structure according to claim 1, wherein the front side body is formed of a member thicker than the rear side body.