JPH09301224A - Roof structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the roof structure of a vehicle which can ensure degree of freedom in design, be assembled with a simple production device, and easily meet a variation in body design. SOLUTION: The roof 5 is constituted of a roof main part 49, a roof front 50, and a roof rear 51. The roof main part 49 is constituted by connecting a plurality of roof panels 54 which are long in the longitudinal direction of the vehicle body, in a vehicle cross direction. The respective roof panels 54 are formed out of aluminum extruded molding material and consist of hollow panels which include outside plates and inner plates formed integrally. A channel member 59 and the rear end part of the roof front 50 are fixed at the front end part of the roof main part 49. A channel member 60 and the front end part of the roof rear 51 are fixed at the rear end part of the roof main part 49. The roof front 50 and the roof rear 51 are formed into such a shape as to involve three-dimensional curved surface by press.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof structure for a vehicle body having a relatively large number of passenger seats such as one-box cars and buses.

[0002]

2. Description of the Related Art Conventionally, as a roof structure of a vehicle body, FIG.
8 and 19 are proposed (Actual Kaihei 7-22
888 publication). The roof 101 of the vehicle body is configured by connecting a plurality of roof panels 102 extending in the vehicle front-rear direction with rivets 103 in the vehicle width direction. Each roof panel 102 is an extruded material made of aluminum, and the end of the outer plate 104 is formed in a C shape and a crank shape facing the C shape, and a vertical surface 108 and a horizontal plate surface 106 are integrally formed. The horizontal plate surfaces 106 are used as joints to each other, and the lower surface side of the horizontal plate surfaces 106 is joined to the upper surface 107a of the roof bow 107 extending in the vehicle width direction by the rivets 105. . In addition, the roof panels 102 on both sides and the roof bow 10
The side end of 7 is supported on the side of the vehicle body through the roof side rail 108.

[0003]

However, in such a conventional structure, the roof 10 is formed by the roof panel 102 made of an extruded material having the outer plate 104.
An appearance of 1 is formed. Therefore, the outer appearance of the roof 101 is unavoidably flat and two-dimensional, and the degree of freedom in shaping the roof in the vehicle body is suppressed.

Further, when manufacturing a vehicle body of a variation in which the roof 101 has different widths and front-rear lengths, the width and front-rear length of the outer panel 104 can be changed by changing the number of roof panels 102 combined and the width and front-rear length. It is possible to correspond to. However, since it is necessary to change the length of the roof bow 107 that is a separate member, it is not always easy to deal with variations.

Further, the roof panel 102 has an outer plate 104.
The vertical surface 108 and the horizontal plate surface 106 are integrally formed at the end of each of them, but most of them are plate-shaped members having only the outer plate 104. I haven't. Therefore, when assembling the roof 101, it is necessary to carry out the joining work while holding the posture of each member that is plate-shaped and does not have the posture maintaining ability by itself while holding the posture by the jig. At this time, since the inner plate 106 is a large-sized member over the entire surface of the roof 101, this is one of the reasons that the manufacturing apparatus for a jig or the like used for assembling the large-sized member becomes large-scaled and the equipment cost increases. Become.

The present invention has been made in view of the above-mentioned problems of the related art, and the degree of freedom in shaping the vehicle body roof is secured, and the vehicle body roof can be assembled using a simple manufacturing apparatus.
An object of the present invention is to provide a roof structure for a vehicle body that can easily cope with variations in vehicle body shaping.

[0007]

In order to solve the above-mentioned problems, according to the present invention, a roof of a vehicle body is formed with a roof main body portion excluding a front end portion and a rear end portion, and the front end portion. Roof panel formed of a hollow extruded material having a roof front portion and a roof rear portion forming the rear end portion, the roof main body extending in the vehicle front-rear direction and having an inner plate and an outer plate integrally formed. And the roof front and the roof rear are formed by a molding method using a mold.

In such a structure, the roof panel made of the extruded material integrally has an inner plate and an outer plate,
Therefore, it has a posture holding ability. Therefore, when assembling the roof main body by connecting the extruded materials, a complicated and large manufacturing apparatus for maintaining the posture is not necessary. Further, by increasing or decreasing the number of connected roof panels constituting the roof main body and the width or length thereof, it is possible to easily manufacture a vehicle body having different widths and front and rear lengths.

On the other hand, the roof front and the roof rear are
Since it is formed by a molding method using a die such as a press, it is plate-shaped and does not have a posture holding ability. However, since the roof front and the roof rear are small members that form the front end portion and the rear end portion of the roof, the roof front and the roof rear are manufactured by a jig or the like for maintaining a required posture when the roof main body is assembled. The equipment is also small and does not require large manufacturing equipment. Further, in the roof of the vehicle body, the front end portion and the rear end portion are easily noticeable,
This is the most important part of the roof formation. Therefore, since the roof front and the roof rear, which are the most important parts in shaping the roof, can be formed into a complicated shape by a molding method using a mold, the roof main body connects the extrusion molding material. Even with such a simple shape, it is possible to obtain a roof having a portion where a three-dimensional curved surface is regarded as important, while ensuring the freedom of molding.

Further, according to the present invention, roof side rails made of a hollow extruded material extending in the front-rear direction of the vehicle body are connected to both sides of the roof main body. Therefore, when the front-rear length of the vehicle body is increased or decreased, the change in the front-rear length of the vehicle body can be dealt with by a simple manufacturing process in which the roof rail is cut and assembled to a length corresponding to the length. Also,
When producing high-roof type vehicles other than standard roof vehicles, the upper and lower body sides of the vehicle body are slightly tilted toward the center of the vehicle body. It is necessary to slightly reduce the overall width of At this time, the standard roof can be adapted to a high roof by a simple design change using a roof side rail whose width dimension is slightly smaller than that used in the standard roof.

Further, according to the present invention, a locking rib for mounting an interior component is integrally formed on the inner plate of the roof panel. Therefore, it is possible to install interior parts such as a room lamp, a speaker, and a cooler duct while reducing the number of parts without using a separate bracket. Further, the integrally formed locking rib also functions as a reinforcing rib, whereby the rigidity of the roof panel is further enhanced, and a predetermined roof rigidity is secured without using a roof bow.

Further, according to the present invention, the roof front and the roof rear are formed into a closed cross-sectional shape by joining press-formed panels. Therefore, the roof front and the roof rear are used as the front rail and the rear rail, which are the skeleton members at the front and rear of the roof,
The required rigidity is secured while reducing the number of parts.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a vehicle body 1 according to this embodiment is a bus type, and includes a floor portion 2 forming a floor surface of the vehicle body 1 and left and right body sides 3, 4 forming left and right side surfaces of the vehicle body 1. The passenger compartment 8 is separated by the roof 5 that forms the upper surface of the vehicle body 1, the body front 6 that forms the front wall of the vehicle body 1, and the body rear 7 that forms the rear wall.

The floor portion 2 is composed of a pair of left and right side members 9, 9 extending in the front-rear direction of the vehicle body, a plurality of cross members 10 extending in the vehicle width direction, and the like.
A step 11 and storages 12, 12 are provided on the left side, and a floor panel (not shown) is laid on each member 9, 10.

The left body side 3 corresponds to the step 1
As shown in FIG. 2, a portion corresponding to 1 is provided with a boarding / alighting opening 13, and a plurality of lower windows 14 ...
. And the upper window portion 15 ... Are provided above and below. A left body side main body portion 16 that extends in the front-rear direction with the opening / closing opening 13 interposed therebetween is provided below the lower window portions 14 ... As shown in FIG. 3, the left body side main body portion 16 is configured by connecting a lower body side panel 17 and an upper body side panel 18 with fitting portions 19 provided at upper and lower end portions facing each other. Has been done. Both of the body side panels 17 and 18 are made of an extruded aluminum material, and are hollow panels that integrally include an outer plate 20 and an inner plate 21.

At the lower end of the lower body side panel 17, a thick portion 22 having a volume space larger than that of the general portion is formed over the entire length thereof, and the thick portion 22 of the floor portion 2 is formed. The left body side 3 is fixed to the floor portion 2 by being bolted to the bracket 23 fixed to the side portion.
Standing upright is connected to the left side of. The upper body side panel 18 has a lower slide glass 3 at its upper end.
A sash groove 24 for slidably supporting 1 is formed, and a pair of engagement grooves 25a, 2 is formed on the upper portion of the inner plate 21.
5b is formed in parallel over the entire length. The engagement groove 2
5a and 25b are engaged with engaging claws provided on the waist rail 26, and the engaging grooves 25a and 25b are filled with an adhesive so that the waist rail 26 is fixed to the upper portion of the inner plate 21. ing. The waist rail 26 is also made of an extruded material made of aluminum, and insertion holes 29 are provided in the upper surface at appropriate intervals, and the insertion holes 29 have front side edges of the lower window portion 14 and the upper window portion 15, respectively. Alternatively, the lower end portion of the connecting member 30 forming the rear side edge is inserted and fixed.

Further, as shown in FIG. 2, a front end pillar 40 and a rear end pillar 41 extending in the vertical direction are coupled to the front end portion and the rear end portion of the left body side 3, and the opening / closing openings are provided. Similarly, a pair of center pillars 42, 4 extending vertically are provided at the front edge and the rear edge of the portion 13.
Two are connected. These pillars 40, 41, 42
Is also made of an extruded material made of aluminum, has the same height as the connecting member 30 at the upper end, and the upper part is connected to the side part of the floor part 2 through a bracket (not shown) and the lower end part is It extends below the lower edge of the lower body side panel 17.

A side sill 33 is bridged to the lower ends of the center pillars 42, 42, and the upper ends of the connecting members 30 and the pillars 40, 41, 42 extend over the entire length of the left body side 3. A roof side rail 34 extending in the front-rear direction is joined. The roof side rail 34
Is also made of an extruded material made of aluminum, and has a hollow portion 35 that is curved toward the center of the passenger compartment 8 as shown in FIG. Then, the step 36 and the flange 3 are provided at the end of the passenger compartment 8 side.
7 are integrally formed with each other, and a sash groove 38 is formed on the outer side of the lower end portion.

Further, a ridge 66 is formed on the inner side, and the ridge 66 is provided with an assembling hole 65 at a predetermined interval.
Is provided. Then, by inserting the connecting member 30 or the upper ends of the pillars 40, 41, 42 into the corresponding mounting holes 65 and fixing them with bolts (not shown),
Upper ends of the connecting members 30 and the pillars 40, 41, 42 are connected to the roof side rail 34.

The front end pillar 40 includes a roof side rail 34 and a front rail 62 described later.
Alternatively, as shown in FIG. 17, it may be fixed by a bolt via a corner joint 90. The corner joint 90
Extends downward, in the center of the vehicle, and in the rearward direction, and extends toward the upper opening end of the front end pillar 40 and the front rail 62.
Fixing portions 91, 91, 91 to be inserted into the left and right opening ends of the roof side rail 34 and the front opening end of the roof side rail 34. The rear end pillar 41 may also be bolted to the roof side rail 34 and a rear rail 64 described later by a similar corner joint. Reference numeral 92 is a bolt insertion hole, and 93 is a bracket for connecting the front end pillar 40 and the front rail 62 from the vehicle interior side.

Further, as shown in FIGS. 2 and 3, an intermediate sash 39 extending in parallel with the roof side rail 34 is disposed under the roof side rail 34. The intermediate sash 39
Is coupled to each coupling member 30 and the outer surfaces of the center pillars 42, 42 inside the vehicle compartment, and is also coupled to the rear surface of the front end pillar 40 and the front surface of the rear end pillar 41 via a fixing member (not shown). . This middle sash 3
The sash grooves 43a and 43b are provided on the lower surface and the upper surface of 9, respectively.
Are formed. Then, the sash groove 43a on the lower surface side
The lower slide glass 31 for opening and closing the lower window portion 14 is slidably supported by the sash groove 24 formed on the upper body side panel 18, and the sash groove 43 on the upper surface side.
An upper slide glass 44 that opens and closes the upper window portion 15 is slidably supported by b and the sash groove 38 formed in the roof side rail 34.

A skirt is formed at the lower end of the lower body side panel 17 between the front end pillar 40 and the front center pillar 42 and between the rear center pillar 42 and the rear end pillar 41. Member 4
5, 45 are attached to each skirt member 45,
A wheel arch portion 46 is formed at 45. A part of the skirt member 45 has doors 45a, 45a of the storage 12.
It is attached to the floor portion 2 so as to be openable and closable so as to function as.

On the other hand, as shown in FIG. 4, the right body side 4 is provided with a driver's opening / closing opening 47 at the front and a plurality of lower window portions 14 ... And upper window portions. 15 ... And are provided. A right body side main body portion 32 extending rearward from the boarding / alighting opening 47 is provided below the lower window portions 14 ... The right body side main body portion 32 has the same structure as the left body side main body portion 16 shown in FIG. A front end pillar 40 and a rear end pillar 41, which also extend in the vertical direction, are similarly coupled to the front end portion and the rear end portion of the right body side 4, and the front edge portion is connected to the rear edge portion of the opening / closing opening 47. Pillars 48 are arranged. The right body side main body portion 32 is joined to the front surface of the rear end pillar 41 at the rear end portion, and is connected to the front pillar 4 at the front end portion.
8 is attached to the rear surface.

That is, the right body side 4 is different from the left body side 3 described above only in the position in which the opening / closing openings 13 and 47 are provided in the front-rear direction of the vehicle body. The number of connecting members 30 or the shape of the skirt member 45 is different. However, other configurations are the same as those of the left body side 3, and the waist rail 26, the roof side rail 34, the intermediate sash 39, and the like are provided.

On the other hand, the roof 5 has a roof main body 49, a roof front 50, and a roof rear 5 as shown in FIG.
It is composed of 1 etc. As clearly shown in FIG. 6, the roof main body 49 is configured by connecting a plurality of roof panels 54, which are long in the vehicle front-rear direction, in the vehicle width direction. Each roof panel 54 is an extruded material made of aluminum, is a hollow panel integrally having an outer plate 52 and an inner plate 53, and is joined to each other at a fitting portion 55. Therefore, the rigidity of the roof panel 54 is increased, the rigidity of the roof main body 49 is increased, and a predetermined roof rigidity can be secured without using a roof bow arranged between the left and right roof side rails 34, 34. Furthermore, if any of the roof panels 54 is damaged, it is sufficient to replace only the damaged roof panel 54, and therefore repair can be performed easily and in a short time. Further, the roof panel 54 located at both ends is formed with fixing pieces 57 and 58 which are bolted to the step portion 36 of the roof side rail 34 and the flange 37.

Further, the inner plate 53 of each roof panel 54 is integrally formed with a locking rib 56 for mounting interior parts such as a room lamp, a speaker, a cooler duct, etc. arranged on the side of the passenger compartment 8 and an inner lining. . Therefore, it is possible to install interior parts such as a room lamp, a speaker, a cooler duct, and an inner lining while reducing the number of parts without using a separate bracket. Further, since the integrally formed locking rib 56 also functions as a reinforcing rib, the rigidity of the roof panel 54 and the rigidity of the roof main body 49 are enhanced, and a predetermined roof rigidity is achieved without using a roof bow. Can be further increased.

As shown in FIG. 7, a channel member 59 made of an extruded aluminum material is fitted to the front end portion of the roof main body 49 and fixed to the locking rib 56 with a bolt and nut 70. Has been done. The rear end of the roof front 50 is fixed to the channel member 59 and the outer plate 52 with a rivet 71. The roof front 50 is made of a steel plate and is formed into a shape having a three-dimensional curved surface by pressing. Further, the roof main part 4
As shown in FIG. 8, a channel member 60 made of an extrusion-molded material made of aluminum is also fitted to the rear end portion of the member 9 and is fixed to the locking rib 56 by a bolt and nut 70. The rear end of the roof rear 51 is fixed to the channel member 60 and the outer plate 52 with a rivet 71. The roof rear 51 is also made of a steel plate and is formed into a shape having a three-dimensional curved surface by pressing.

The channel members 59 and 60 have channel-shaped fitting grooves 59b and 60b formed on the rear surfaces of the hollow portions 59a and 60a formed in the closed cross section. The roof panel 54 comes into contact with the end portion of the roof panel 54, suppresses a displacement (movement) between the roof panels 54, 54 during and after the assembly, and has a positioning function, and the left and right ends of the roof side rails 34, 34 become As a member that is fixed and has the function of a conventional roof bow, supports the force in the vehicle width direction and supports the roof 5,
The roof main part 49 is further reinforced to contribute to shape retention and strength improvement.

The body front 6 is composed of a front panel 61 and a front rail 62 as shown in FIG. The front panel 61 is made of steel and is press-molded, and both ends thereof are joined to the front end pillars 40, 40 of the left and right body sides 3, 4. The front rail 62 is made of an extruded material made of aluminum, and as shown in FIG. 7, the front end portion of the roof front 50 is fixed to the front upper portion 62a with rivets 71, and the left and right end portions of the front rail 62 have front end pillars 40, It is joined to the upper end of 40.

The body rear 7 is composed of a rear panel 63 and a rear rail 64 as shown in FIG. The rear panel 63 is made of steel and is press-molded, and the left and right ends thereof are joined to the rear end pillars 41, 41 of the left and right body sides 3, 4. The rear rail 64 is made of an extruded material made of aluminum, and as shown in FIG. 8, the rear end of the roof rear 51 is fixed to the upper rear surface 64a by rivets 71, and both ends are rear end pillars 4.
It is joined to the upper ends of 1, 41.

In the present embodiment having the above-mentioned structure, when manufacturing the vehicle body 1, the floor portion 2, the left body side 3, the right body side 4 and the roof 5 are assembled at each assembling station. At this time, at the assembling stations for the left and right body sides 3 and 4, all the members except the skirt member 45, the window glass and the door are combined to form the entry / exit openings 13 and 47, the lower window portion 14 and the upper window portion 15.
The left and right body sides 3 and 4 are completed.

At the roof 5 assembling station, a plurality of roof panels 54 are provided with an adhesive agent and a sealing material at the fitting portion 55, and are fitted and connected to each other.
Assemble the roof main body 49. At this time, the roof panel 54 is made of a hollow aluminum extrusion molding material,
Since it has the ability to hold the posture itself, a complicated and large-sized manufacturing apparatus for holding the posture of each roof panel 54 at the time of connection is not required, and the facility cost can be reduced.

When the roof main body 49 is assembled by connecting the roof panels 54, the roof main body 4
The channel members 59 and 60 are fitted to the rear end portion and the front end portion of 9 by applying an adhesive and a sealing material, and fixed by bolts and nuts 70 on the locking rib 56 side.

When the assembly of the floor 2, the left body side 3, the right body side 4 and the roof 5 is completed at each assembling station in this way, the left body side 3, the right body side 4 and the roof 5 are completed. Are transferred to the assembly station of the floor section 2. And the floor part 2 in advance
The thick wall portion 22 formed at the lower end portion of the lower body side panel 17 is bolted to the bracket 23 fixed to the side of the floor portion, and the lower portions of the pillars 40, 41, and 48 are fixed to the floor portion. 2 and the left and right body sides 3, 4 are joined. As a result, the left and right body sides 3, 4 are
It is erected on both sides of the floor 2.

Next, the roof 5 is suspended and supported and placed on the left and right body sides 3 and 4 in the upright state, and the roof main body fixing piece is mounted on the step portion 36 and the flange 37 of the roof side rail 34. Align 57 and 58 and bolt them together. At this time, the adhesive and the sealing material are applied to the step portion 36 and the adhesive is applied to the flange 37 before the bolt connection. As a result, the vehicle body 1 is connected to the floor portion 2, the left body side 3, the right body side 4, and the roof 5 to form a square tubular shape having four faces, and is in a state in which the posture can be maintained.

Subsequently, both ends of the front rail 62 are fixed to the upper ends of the front end pillars 40, 40, and both ends of the rear rail 64 are fixed to the rear end pillar 4.
It is fixed to the upper end of 1,41. Next, roof front 5
The front end of the roof front 50 is fixed to the outer plate 52 together with the channel member 59 by the rivet 71 with the sealing material intervening between the front end of the roof front 50 and the rivet 71.
Fix at 1. Further, a sealing material is intervened at the front end portion of the roof rear 51 with the rivet 71 to form the channel member 60.
At the same time, it is fixed to the outer plate 52, and the rear end of the roof rear 51 is fixed to the rear rail 64 with rivets 71. The rivet 71 fixing portion at the front end portion of the roof front 50 and the rivet 71 fixing portion at the rear end portion of the roof rear 51 are covered and sealed by a finisher for adhesively fixing the windshield 72 and the rear glass 73, respectively.

At this time, since the roof front 50 and the roof rear 51 are formed by pressing, they are plate-shaped and do not have a posture holding ability. However, the roof front 50 and the roof rear 51 are small members that form the front end portion and the rear end portion of the roof 5, and further have a posture maintaining ability, have a constant outer shape, and a bolt, Since it is fixed between the roof main body 49, the channel members 59, 60 and the front rail 62, the rear rail 64, in which the insertion hole position of the rivet or the like is a fixed position, a required posture is maintained when the roof main body 32 is assembled. The manufacturing apparatus including a jig or the like is also small, and a large manufacturing apparatus is not required.

In the roof 5, the front end portion and the rear end portion of the roof 5 are easily noticeable, and are the most important portions in shaping the roof. Therefore, since the roof front 50 and the roof rear 51, which are the most important parts in the molding of the roof 5, can be formed into a complicated shape by press molding, the roof main body 32 is a simple structure in which extrusion molding materials are connected. Even with such a shape, it is possible to obtain a roof 5 having a three-dimensional curved surface in an important portion while ensuring a degree of freedom in modeling.

Then, the front panel 61 and the rear panel 63
Both end portions of the front end pillars 40, 40,
It is connected to the rear end pillars 41, 41. After that, the skirt member 45 is attached and the lower slide glass 3
1, the upper slide glass 44 is assembled, the front glass 72 and the rear glass 73 are bonded and fixed, and the opening / closing opening 1
The vehicle body 1 is completed by assembling necessary parts such as arranging the doors at 3, 47. The roof front 50, the roof rear 51, the front panel 61,
Alternatively, the windshield 72 and the rear glass 73 may be attached after the pedal unit is attached to the air conditioning unit provided under the roof and the instrument panel provided at the front of the vehicle body.

In the completed vehicle body 1, since there are no spot marks on the roof 5, a quality appearance can be obtained when looking down from a high-rise building.
Further, since the roof panel 54 is hollow and an air layer is interposed between the outer plate 52 and the inner plate 53, a heat insulating effect is obtained by the air layer, which is effective in maintaining room temperature and preventing dew condensation.

Further, in this type of bus type vehicle, in addition to the standard type, a short type, a long type, a narrow type, a wide type, a high roof type, the lower window portion 1 shown in the figure.
A variation such as a high decker type having 4 and the upper window portion 15 is produced. And when producing a standard type, each pillar 40, 41, 42 and the connection member 3
The length in the upward direction of 0 is up to the illustrated intermediate sash 39, and without using the intermediate sash 39,
The roof side rail 34 is horizontally installed at the position. As a result, a standard type vehicle body having only the lower window portion 14 and not the upper window portion 15 can be obtained.

Further, a type which is not a sliding window, for example, a fixed window by adhesion or a weather strip, or a hinge window whose one end is rotatably attached by a hinge and the other end is opened or closed, or a lower window portion 14 is a sliding window. Even when the window portion 15 is a window of various types such as a fixed window, the upper side panel 18, the roof side rail 34, the upper end shape, the lower shape, the presence or absence of the intermediate sash 39, or the shape of the intermediate sash 39 are changed. It can be dealt with by changing to one. Therefore, the present invention is not limited to the sliding window of the present embodiment, and can be used for a vehicle body having a fixed window or a hinge opening / closing window.

Further, in the case of producing a short type vehicle and a long type vehicle, extrusion molding is used to form the lower body side panel 17, the upper body side panel 18, the intermediate sash 40, and the roof panel 54 extending in the longitudinal direction of the vehicle body. The material may be cut into lengths corresponding to the short type and the long type before use. Further, when a narrow-width type vehicle and a wide-width type vehicle are produced, the number of connected roof panels 54 is increased or decreased, or the width (width dimension of the vehicle body) is increased or decreased. This can be easily dealt with by increasing or decreasing the dimension in the width direction.

Further, when a high roof type vehicle is produced, the number of body side panels 17, 18 is increased or the width (dimension in the vertical direction of the vehicle body) is increased.
Alternatively, by increasing the length (dimension in the vertical direction of the vehicle body) of each pillar 40, 41, 42 and the connecting member 30, it is possible to easily cope with this.

However, the left and right body sides 3, 4 of the vehicle body 1
Since the upper end portion is slightly tilted toward the center of the vehicle body 1, it is necessary to slightly reduce the overall width of the roof 5 as the vertical dimensions of the left and right body sides 3 and 4 are increased. At this time, as shown in FIG. 11, the roof side rail 3 having the width dimension LH used for the standard roof vehicle NR.
The roof side rail 34 having a width dimension LN slightly smaller than 4 can be used for the high roof vehicle HR by a simple design change.

At this time, the roof side rail 34
Are the same members, and the roof panel 5 is located in the center of the vehicle body.
4 may be dealt with by using an extruded material having a slightly smaller width.

FIG. 12 shows the structure of the fitting portion 55 of the roof panel 54 according to the second embodiment of the present invention. That is, the concave portion 75 is formed on one side portion of the roof panel 54, and the convex portion 76 that fits with the concave portion 75 is formed on the other side portion, and the lower piece portion 7 of the concave portion 75 is formed.
A groove 77 for receiving 5a is formed. Further, the inner plate 53 of the roof panels 54, 54 has a concave portion 75 and a convex portion 76.
With and fitted and the lower piece 75a is received in the groove 77,
Adjacent roof panels 54 are joined by forming flanges 78, 78 that are in contact with each other and inserting a bolt 79 into the flanges 78, 78 and screwing a nut 80 into the bolt 79. According to such an embodiment,
Adjacent roof panel 54 fits concave portion 75 and convex portion 76, fits lower piece portion 75a and groove 77, and flange 7
By fastening with 8, 78, since it is joined by a plurality of elements, the joining strength of the roof panel 54 can be increased.

Incidentally, 75b and 75a are engaging claws which are engaged with each other, and an adhesive and a sealing material are applied between the concave portion 75 and the convex portion 76 to fit them.

13 and 14 show the structure of the roof front 50 according to the third embodiment of the present invention. In the roof front 50 according to this embodiment, the rear end edge is formed into a linear shape and the front end edge is formed into a curved shape by pressing, and a bracket 81 having a substantially crank-shaped cross section is welded to the lower part of the front end portion. . On the other hand, the front rail 62
Is a curved shape along the front end edge of the roof front 50, is made of a hollow aluminum extrusion molding material, and has a support piece 82 protruding horizontally in the rear end surface.

At the rear end, the roof front 50 is fixed to the outer plate 52 of the roof panel 54 by the rivets 71 together with the channel member 59 with the sealing material sandwiched between the front end and the front end. In the section, the bracket 81 fixes the support piece 82 of the front rail 62 with a bolt and nut 70. In addition, the front end of the roof front 50 and the front rail 62
And the step portion 6 formed on the front rail 62.
The seal member 83 is placed on the 2a and receives the hanging flange 50a formed at the front end of the roof front 50.

In the case where the front end of the vehicle body has a curved shape by extruding the front rail 62 in a curved shape according to the curvature of the front edge of the roof front 50 as in the case of the embodiment. Even if there is, we can handle this.

15 and 16 show the structure of the roof front 50 according to the fourth embodiment of the present invention. The roof front 50 according to this embodiment includes an outer panel 85 and an inner panel 8 which are press-molded.
6 and the channel panel 87 are combined to form a closed cross section. In the roof front 50, the channel panel 87 is fitted to the front end portion of the roof panel 54 with a sealing material interposed therebetween, and a joint flange 89 between the channel panel 87 and the inner panel 86 is secured by a bolt and nut 70 with locking ribs. By fixing to 56, the rear end portion is joined to the roof panel 54. Further, the upper end portion of the windshield 72 is adhesively fixed to the joint flange 88 between the outer panel 85 and the inner panel 86 provided at the front end portion. That is, in this embodiment, the roof front 50 also serves as the front rail 62, and thus the front rail 62 is not required and the number of parts can be reduced.

In addition, in the third and fourth embodiments shown in FIGS. 13, 14 and 15 and 16, the case where it is applied to the roof front 50 is shown, but the same configuration can be applied to the roof rear 51. Of course. Further, in each of the embodiments, the roof front 50, the roof rear 51, the front panel 61, and the rear panel 63 are made of steel and press-molded, but they may be injection-molded using resin. Good.

[0054]

As described above, the present invention is a hollow extruded material having a roof main body composed of a portion excluding a front end portion and a rear end portion of a vehicle body roof, which integrally has an inner plate and an outer plate. The roof front and the roof rear constituting the front end portion and the rear end portion are formed by a molding method using a mold. Therefore, since the roof panel itself has the ability to hold the posture, when assembling the roof main body by connecting the roof panels, a complicated and large manufacturing apparatus for holding the posture is not required, and thus the equipment can be maintained. The cost can be reduced. Further, by increasing or decreasing the number of connected roof panels constituting the roof main part and the width or length of the roof panels, it is possible to easily manufacture a vehicle body having different widths and front and rear lengths, and it is possible to easily cope with variations of the vehicle body. it can. Further, since each roof panel is hollow and an air layer is interposed between the outer plate and the inner plate, a heat insulating effect is obtained by the air layer, which is effective in maintaining room temperature and preventing dew condensation.

On the other hand, the roof front and the roof rear are
Since it is formed by a molding method using a mold, it is not plate-shaped and does not have posture holding ability, but since these are small members, they are necessary when assembled to the roof main body. The manufacturing apparatus including a jig or the like for maintaining such a posture is also small, and a large manufacturing apparatus is not required. In addition, since the roof front and roof rear, which are the most important parts in molding the roof, can be formed into a complicated shape by a molding method using a mold, the roof main body is a simple structure in which extrusion molding materials are connected. Even with such a shape, it is possible to obtain a roof having a portion where a three-dimensional curved surface is considered important, while ensuring the degree of freedom in molding.

Further, the present invention is provided on both sides of the roof main body,
A roof side rail made of an extruded material that extends in the front-rear direction of the vehicle body and integrally has an inner plate and an outer plate is joined. Therefore, when the front-rear length of the vehicle body is increased or decreased, the change in the front-rear length of the vehicle body can be dealt with by a simple manufacturing process in which the roof rail is cut and assembled to a length corresponding to the length. Also, when producing high-roof type vehicles other than standard roof vehicles, it is necessary to reduce the overall width of the roof slightly, but it is easy to use roof side rails whose width dimensions are slightly smaller than those used for standard roofs. It is possible to change the standard roof to a high roof by changing the design.

Further, according to the present invention, locking ribs for mounting the interior parts are integrally formed on the inner plate of the roof panel made of the extruded material. Therefore, it is possible to install interior parts such as a room lamp, a speaker, and a cooler duct while reducing the number of parts without using a separate bracket. Further, since the integrally formed locking rib also functions as a reinforcing rib, the rigidity of the roof panel is increased, and the predetermined roof rigidity can be further increased while reducing the number of parts without using the roof bow. It will be possible.

In addition, according to the present invention, the roof front and the roof rear are formed by joining the press-molded panels to each other to form a closed cross-sectional shape. It can function as a front rail and a rear rail,
As a result, the front rail and rear rail are unnecessary,
It is possible to secure the required rigidity while reducing the number of parts.

[0059]

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing one embodiment of the present invention.

FIG. 2 is a perspective view showing a left body side.

FIG. 3 is a cross-sectional view corresponding to line aa in FIG.

FIG. 4 is a perspective view showing a right body side.

FIG. 5 is an exploded perspective view showing a roof.

FIG. 6 is a cross-sectional view corresponding to line bb in FIG.

7 is a cross-sectional view corresponding to line cc of FIG.

FIG. 8 is a cross-sectional view corresponding to line dd in FIG.

FIG. 9 is a perspective view showing a configuration of a body front portion.

FIG. 10 is a perspective view showing a configuration of a body rear portion.

FIG. 11 is a diagram showing a relationship between roof side rails of a standard roof vehicle and a high roof vehicle.

FIG. 12 is a cross-sectional view showing a roof panel connection structure according to a second embodiment of the present invention.

FIG. 13 is a front plan view of the vehicle body showing the third embodiment of the present invention.

14 is a cross-sectional view taken along the line ee of FIG.

FIG. 15 is a front plan view of the vehicle body showing the fourth embodiment of the present invention.

16 is a cross-sectional view taken along the line ff of FIG.

FIG. 17 is an exploded perspective view showing a connection example of a front end pillar, a roof side rail, and a front rail.

FIG. 18 is a vertical sectional view showing a conventional vehicle body roof structure.

FIG. 19 is an enlarged view of a P part in FIG.

[Explanation of symbols]

 1 Car Body 5 Roof 49 Roof Main Body 50 Roof Front 51 Roof Rear 54 Roof Panel 56 Locking Ribs

Claims (4)

[Claims] 1. A roof of a vehicle body is constituted by a roof main body including a portion excluding a front end portion and a rear end portion, a roof front forming the front end portion, and a roof rear forming the rear end portion, The roof main body extends in the front-rear direction of the vehicle body and is configured by connecting a roof panel made of a hollow extruded material integrally having an inner plate and an outer plate, and the roof front and the roof rear are made into a mold. A roof structure for a vehicle body, characterized by being formed by a molding method using. 2. A roof structure for a vehicle body according to claim 1, wherein roof side rails made of a hollow extruded material extending in a vehicle front-rear direction are joined to both sides of the roof main body. 3. The roof structure for a vehicle body according to claim 1, wherein a locking rib for mounting an interior component is integrally formed on an inner plate of the roof panel. 4. The roof front and the roof rear,
The roof structure for a vehicle body according to claim 1, wherein press-formed panels are joined together to form a closed cross-sectional shape.