WO2013038466A1 - 車両用ルーフ構造 - Google Patents
車両用ルーフ構造 Download PDFInfo
- Publication number
- WO2013038466A1 WO2013038466A1 PCT/JP2011/070692 JP2011070692W WO2013038466A1 WO 2013038466 A1 WO2013038466 A1 WO 2013038466A1 JP 2011070692 W JP2011070692 W JP 2011070692W WO 2013038466 A1 WO2013038466 A1 WO 2013038466A1
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- WO
- WIPO (PCT)
- Prior art keywords
- roof
- roof panel
- vehicle
- width direction
- panel
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/026—Connections by glue bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/06—Fixed roofs
- B62D25/07—Fixed roofs having water drainage or guide means integral with roof structure
Definitions
- the present invention relates to a vehicle roof structure in which a roof panel is supported by left and right roof rails extending in the longitudinal direction of the vehicle body.
- the roof at the top of the vehicle body is configured to support the left and right ends of the roof panel with left and right roof rails.
- the left and right roof rails and the left and right ends of the roof panel are joined together by overlapping each other in the vertical direction and spot welding.
- the joint portion between the left and right roof rails and the left and right ends of the roof panel is formed as a groove portion opened upward.
- the groove is closed by a cosmetic molding. Since the traces of spot welding appearing at the bottom of the groove are covered with the cosmetic molding, the appearance of the vehicle is enhanced. However, such a cosmetic mall is preferably abolished from the viewpoint of reducing the number of parts of the vehicle body.
- Patent Document 1 A roof for a vehicle in which the cosmetic mall is abolished is known.
- a frame-shaped inner roof member is interposed between a roof panel and left and right roof rails.
- Part of the left and right ends of the inner roof member is formed as a stepped portion that is lowered by one step.
- the step portions are overlapped on the left and right roof rails and joined by spot welding.
- the joint portion between the left and right ends of the inner roof member and the left and right roof rails forms a groove that opens upward.
- the lowermost surface of the step forms the bottom of the groove.
- the roof panel is placed on the inner roof member so as to cover most of the groove portion.
- This invention makes it a subject to provide the technique which can improve the external appearance property of a vehicle, without providing a cosmetic molding in the junction part of the right and left roof rail and the right and left edge of a roof panel.
- the left and right roof rails are arranged on the vehicle body.
- Left and right inner rails having a closed cross-sectional shape elongated in the longitudinal direction of the vehicle body to constitute a part of the skeleton, and left and right outer panels positioned on the outer side in the vehicle width direction of the left and right inner rails,
- the left and right stepped portions extending from the upper end to the vehicle width direction inward in a stepped shape, and the left and right upper outer flanges extending from the left and right stepped portions to the vehicle width direction inward in a stepped shape.
- the left and right upper outer flanges are joined to the upper surfaces of the left and right inner rails, and the left and right end portions of the roof panel are By extending toward the step surface of the difference portion while descending and overlapping the left and right step surfaces, the left and right step portions and the left and right end portions constitute left and right groove portions that are open on the top, The left and right end portions of the roof panel are temporarily bonded to the left and right step surfaces by an adhesive and welding for temporarily holding the adhesive portion until the adhesive portion can exert an adhesive force.
- a vehicular roof structure is provided in which the temporary fixing portion is covered with a filler layer made of a filler filled in the left and right stepped portions.
- the temporary fixing portion is a welded portion that is pulse laser welded.
- the adhesive portion is located on the inner side in the vehicle width direction from the position of the temporary fixing portion in the left and right end portions of the roof panel.
- the range of the filler layer is from the left and right corners between the upper ends of the left and right outer panels and the left and right step surfaces. It is the range to the part which covers a temporary fixing part.
- the surface shape of the filler layer filled in the left and right step portions is gradually depressed from the vicinity of the upper ends of the left and right outer panels to a portion covering the temporary fixing portion. It is a substantially curved shape that is curved.
- the roof structure preferably further comprises a roof support frame that is spanned between the left and right roof rails to support the roof panel, the roof support frame.
- the roof panel constitute a roof panel assembly, and the roof support frame is positioned at the center of the roof panel, and a roof front end lateral arch extending in the vehicle width direction along the front end of the roof panel.
- a roof central lateral arch extending in the vehicle width direction, a roof rear lateral arch extending in the vehicle width direction along the rear end of the roof panel, and the roof panel approximately at the center in the vehicle width direction.
- At least one roof longitudinal arch extending in the longitudinal direction of the vehicle body and connecting the roof front end lateral arch, the roof center lateral arch, and the roof rear end lateral arch, A front end portion of the panel is joined to the roof front end lateral arch, a rear end portion of the roof panel is joined to the roof rear end lateral arch, and the roof panel assembly is connected to the left and right roof rails.
- both ends of the roof front end horizontal arch and both ends of the roof rear end horizontal arch are joined.
- the roof structure preferably further includes a roof support frame that is spanned between the left and right roof rails to support the roof panel, the roof support frame.
- the roof panel constitute a roof panel assembly, and the roof support frame is positioned at the center of the roof panel, and a roof front end lateral arch extending in the vehicle width direction along the front end of the roof panel.
- a roof central lateral arch extending in the vehicle width direction, a roof rear lateral arch extending in the vehicle width direction along the rear end of the roof panel, and the roof panel approximately at the center in the vehicle width direction.
- Left and right roof vertical arches extending in the longitudinal direction of the vehicle body and connecting the roof front end horizontal arch, the roof center horizontal arch, and the roof rear end horizontal arch.
- H is located away from each other in the vehicle width direction, the front end of the roof panel is joined to the roof front end lateral arch, the rear end of the roof panel is joined to the roof rear end lateral arch, In the roof panel assembly, the left and right ends of the roof panel are joined to the left and right roof rails, and both ends of the roof front end lateral arch and the roof rear end lateral arch are joined. ing.
- the left and right outer panels positioned on the outer side in the vehicle width direction of the left and right inner rails are formed in a step shape of a middle stage and a lower stage from the upper end toward the inner side in the vehicle width direction.
- a flange is joined to the upper surfaces of the left and right inner rails.
- the left and right end portions of the roof panel extend while descending toward the step surface of the intermediate step portion, and are joined to the step surface by an adhesive portion and a temporary fixing portion.
- the left and right end portions of the roof panel and the left and right step portions form left and right groove portions that are open on the top.
- the temporary fixing portion is a portion welded to such an extent that it is temporarily fixed until the bonding portion can exhibit a predetermined adhesive force, and the bonding strength may be small. That is, it is an adhesive part that mainly joins the left and right ends of the roof panel to the step surface. After the bonding portion exhibits a predetermined adhesive force, the temporary fixing portion may finish the role of temporarily stopping and fulfill the role of supplementing the bonding by the bonding portion. For this reason, since the trace of welding of the temporary fix
- the right and left groove portions are formed by joining the left and right end portions of the roof panel while extending toward the step surface of the middle step portion. For this reason, the right and left groove portions are good in appearance because the groove depth is shallow. For this reason, it is not necessary to cover the inside of the left and right groove portions with the cosmetic molding. Furthermore, the joint portion of the left and right upper outer flanges with respect to the upper surfaces of the left and right inner rails is covered with the roof panel and cannot be visually recognized from the outside.
- the appearance of the vehicle can be enhanced without providing a cosmetic molding at the joint between the left and right roof rails and the left and right ends of the roof panel.
- the temporary fixing portion is formed by pulse laser welding, the traces (dents and dents) generated at the left and right end portions of the roof panel during welding can be small. For this reason, this trace can be easily covered with a filler layer. Moreover, the area of the portion to be welded (temporary fastening portion) may be small, and welding can be performed by approaching the edges of the left and right end portions of the roof panel.
- the adhesive portion is located on the inner side in the vehicle width direction from the position of the temporary fixing portion in the left and right end portions of the roof panel. For this reason, this adhesion part can be located in the longitudinal direction of a groove part continuously with respect to the edge part on either side of a roof panel, without overlapping with a temporary fix part. Therefore, since the bonding range between the left and right end portions of the roof panel and the left and right step portions is wide, the bonding strength can be increased.
- the range of the filler layer is a range from the left and right corners between the upper ends of the left and right outer panels and the left and right step surfaces to a portion covering the temporary fixing portion. For this reason, the left and right corners and the temporary fixing portions are covered with the filler layer. Therefore, the appearance of the vehicle can be further enhanced.
- the surface shape of the filler layer is a substantially curved shape that is curved so as to be gradually depressed from the vicinity of the upper ends of the left and right outer panels to the portion covering the temporary fixing portion. For this reason, the contours of the left and right grooves can be blurred by covering the left and right corners and the peripheral portions of the corners with a substantially curved filler layer. Therefore, the appearance of the vehicle can be further enhanced.
- the roof panel assembly is constituted by the roof panel and the roof supporting frame for supporting the roof panel.
- the roof panel assembly can be incorporated into the vehicle body by spanning the roof supporting frame between the left and right roof rails. That is, in the roof panel assembly, the left and right ends of the roof panel are joined to the left and right roof rails, and both the ends of the roof front end lateral arch and the roof rear end lateral arch are joined. Is incorporated into the car body. Accordingly, the number of joints of the roof panel assembly to the left and right roof rails can be reduced. As a result, the number of assembling steps of the vehicle body can be reduced and the assembling operation of the vehicle body can be facilitated.
- the roof supporting frame includes a roof front end horizontal arch extending in the vehicle width direction, a roof center horizontal arch and a roof rear end horizontal arch, and at least one roof vertical arch extending in the vehicle longitudinal direction. .
- the roof panel assembly is spanned between the left and right roof rails, the left and right roof rails, the roof front end horizontal arch, and the roof rear end horizontal arch form a substantially rectangular frame in plan view. Since the rectangular frame is partitioned by the roof central transverse arch and at least one roof longitudinal arch, the strength and rigidity of the roof panel can be increased.
- a roof panel assembly is constituted by the roof panel and a roof supporting frame for supporting the roof panel.
- the roof panel assembly can be incorporated into the vehicle body by spanning the roof supporting frame between the left and right roof rails. That is, in the roof panel assembly, the left and right ends of the roof panel are joined to the left and right roof rails, and both the ends of the roof front end lateral arch and the roof rear end lateral arch are joined. Is incorporated into the car body. Accordingly, the number of joints of the roof panel assembly to the left and right roof rails can be reduced. As a result, the number of assembling steps of the vehicle body can be reduced and the assembling operation of the vehicle body can be facilitated.
- the roof support frame includes a roof front end horizontal arch extending in the vehicle width direction, a roof center horizontal arch and a roof rear end horizontal arch, and left and right roof vertical arches extending in the longitudinal direction of the vehicle body.
- the roof panel assembly is spanned between the left and right roof rails, the left and right roof rails, the roof front end horizontal arch, and the roof rear end horizontal arch form a substantially rectangular frame in plan view. Since the rectangular frame is divided into six by the roof center horizontal arch and the left and right roof vertical arches, the strength and rigidity of the roof panel can be increased. Accordingly, the weight of the vehicle body can be reduced by reducing the thickness of the roof panel.
- FIG. 2 is a perspective view in which a main part around a left roof rail shown in FIG. 1 is broken.
- FIG. 2 is a perspective view of a right roof rail shown in FIG. 1.
- FIG. 4 is a cross-sectional view taken along line 4-4 of FIG.
- FIG. 5 is an enlarged view around a step portion shown in FIG. 4.
- FIG. 2 is a perspective view of the roof panel assembly shown in FIG. 1.
- FIG. 7 is a perspective view of the roof bone assembly shown in FIG. 6.
- the vehicle 10 is, for example, a passenger car, and a front engine room 12 and a vehicle room 13 positioned just behind the engine room 12 are formed inside the vehicle body 11.
- the vehicle body 11 is formed of a monocoque body, and is formed symmetrically with respect to a vehicle width center line CL that extends in the vehicle longitudinal direction through the center of the vehicle 10 in the vehicle width direction.
- a roof structure 14 (hereinafter also referred to as “roof 14”) of the vehicle body 11 is a portion covering the top of the vehicle compartment 13, and includes left and right roof rails 15 and 15 extending in the longitudinal direction of the vehicle body, And a roof panel assembly 16 supported by the roof rails 15 and 15.
- the left and right roof rails 15, 15 include left and right inner rails 21, 21 positioned on the inner side in the vehicle width direction (vehicle compartment 13 side), and the left and right inner rails 21. , 21 and left and right outer panels 31, 31 located on the outer side in the vehicle width direction (the vehicle outer side).
- the right roof rail 15 will be described in detail.
- the left roof rail 15 has the same configuration as that of the right roof rail 15 except that it is bilaterally symmetric.
- the right inner rail 21 is a member having a closed cross-sectional shape elongated in the longitudinal direction of the vehicle body, and constitutes a part of the skeleton of the vehicle body 11.
- the right inner rail 21 includes a right inner member 22 positioned on the inner side in the vehicle width direction (the vehicle compartment 13 side shown in FIG. 1), and a right outer member 22 positioned on the outer side in the vehicle width direction of the right inner member 22.
- Member 23 is a member having a closed cross-sectional shape elongated in the longitudinal direction of the vehicle body, and constitutes a part of the skeleton of the vehicle body 11.
- the right inner rail 21 includes a right inner member 22 positioned on the inner side in the vehicle width direction (the vehicle compartment 13 side shown in FIG. 1), and a right outer member 22 positioned on the outer side in the vehicle width direction of the right inner member 22.
- Member 23 is a member having a closed cross-sectional shape elongated in the longitudinal direction of the vehicle body, and constitutes a part of
- the right inner member 22 is a press-formed product of a steel plate, and has a substantially vertical plate-like inner body 22a, and an upper flange 22b extending substantially horizontally from the upper end of the inner body 22a toward the inner side in the vehicle width direction. , And a lower flange 22c extending outward and downward in the vehicle width direction from the lower end of the inner body 22a.
- the right outer member 23 is a press-formed product of a steel plate, and has an outer body 23a having a substantially U-shaped cross section that is open toward the inner body 22a, and an inner end in the vehicle width direction from the upper end of the outer body 23a.
- the upper flange 23b extends substantially horizontally, and the lower flange 23c extends from the lower end of the outer body 23a outward in the vehicle width direction and downward.
- the upper flange 23b of the outer member 23 is overlapped on the upper flange 22b of the inner member 22 and joined by welding such as spot welding.
- the lower flange 23c of the outer member 23 is overlapped with the lower flange 22c of the inner member 22 and joined by welding such as spot welding.
- the right inner member 22 and the right outer member 23 are integrated with each other, whereby the right inner rail 21 having a closed cross-section is formed.
- the right inner rail 21 should just be a structure of closed cross-section shape, for example, can be comprised with a single pipe.
- the pipe is made of, for example, an extruded product.
- the right outer panel 31 is a member for constituting the outer surface of the right roof rail 15 and is made of a thinner plate than the right inner rail 21.
- the right outer panel 31 is a press-formed product of a steel plate such as an aluminum-plated steel plate, and is covered on the right inner rail 21 with a predetermined interval from the outside in the vehicle width direction. More specifically, the right outer panel 31 has a substantially U-shaped cross section that is open toward the right inner rail 21, and has an outer panel body 32, a stepped portion 33, an upper outer flange 34, and a lower outer flange. 35.
- the outer panel main body 32 is convexly curved outward in the vehicle width direction so as to cover the entire outer member 23, and the upper end 36 is positioned on the outer member 23.
- the step portion 33 has a so-called substantially L-shaped cross section that extends from the upper end 36 of the outer panel main body 32 while stepping down toward the inner side in the vehicle width direction.
- the step portion 33 includes a vertical plate 37 that hangs down from the upper end 36 of the outer panel main body 32 and a horizontal plate 38 that extends substantially horizontally from the lower end of the vertical plate 37 toward the inside in the vehicle width direction.
- the step surface 33 a of the step portion 33 coincides with the upper surface of the horizontal plate 38.
- the upper outer flange 34 has a so-called substantially L-shaped cross section that extends from the tip of the stepped portion 33 while descending in a stepped shape toward the inner side in the vehicle width direction.
- the lower outer flange 35 extends from the lower end of the outer panel body 32 outward in the vehicle width direction and downward.
- the upper end 36 of the outer panel body 32 constitutes the uppermost end of the outer panel 31.
- the upper end 36 of the outer panel main body 32 is referred to as “the upper end 36 of the outer panel 31” as appropriate.
- the upper outer flange 34 is overlapped and joined to the upper surface 21a of the inner rail 21. That is, the upper outer flange 34 is superimposed on the upper flange 23b of the outer member 23 and joined together with the upper flange 22b of the inner member 22 by welding such as spot welding.
- the lower outer flange 35 overlaps with the lower flange 23c of the outer member 23 and is joined together with the lower flange 22c of the inner member 22 by welding such as spot welding.
- the right upper outer flange 34 is integrated with the right inner rail 21, thereby forming the right roof rail 15 having a closed cross section.
- the outer member 23 can serve as a reinforcing member for the roof rail 15 by being interposed between the inner member 22 and the outer panel 31.
- the roof panel assembly 16 includes a roof panel 40, and a roof support frame 50 that is spanned between the left and right roof rails 15 and 15 to support the roof panel 40. , Consisting of. As a result, the roof panel 40 is supported by the left and right roof rails 15 and 15.
- the roof panel 40 is a press-formed product of a steel plate that is formed in a substantially rectangular shape elongated in the longitudinal direction of the vehicle body.
- the roof supporting frame 50 includes a roof front end lateral arch 51 extending in the vehicle width direction along the front end of the roof panel 40, and a vehicle positioned at the center of the roof panel 40.
- a roof center lateral arch 52 extending in the width direction
- a roof rear end lateral arch 53 extending in the vehicle width direction along the rear end of the roof panel 40
- the vehicle body located at the approximate center of the roof panel 40 in the vehicle width direction.
- the roof central lateral arch 52 has a lamp opening 52a at the approximate center in the vehicle width direction.
- a room lamp 55 for illuminating the inside of the passenger compartment 13 (see FIG. 1) is attached to the lamp opening 52a.
- the room lamp 55 is disposed under the roof panel 40 and in the center of the vehicle width.
- the left and right roof vertical arches 54 and 54 are located apart from each other in the vehicle width direction, and are located between the room lamp 55 located at the center of the vehicle width and the left and right roof rails 15 and 15, respectively. . Further, the left and right roof vertical arches 54, 54 connect the roof front end horizontal arch 51, the roof center horizontal arch 52, and the roof rear end horizontal arch 53.
- the left and right roof vertical arches 54 can be divided into two parts in the longitudinal direction of the vehicle body.
- the left roof vertical arch 54 is composed of two roof vertical arch divided bodies 56 and 57 arranged in a line in the longitudinal direction of the vehicle body.
- the right roof vertical arch 54 is constituted by two roof vertical arch divided bodies 58 and 59 arranged in a line in the longitudinal direction of the vehicle body.
- each of the horizontal arches 51 to 53 and the left and right roof vertical arches 54, 54 are formed in a hat-shaped cross section with the top opened. More specifically, each of the horizontal arches 51 to 53 and the roof vertical arch divided bodies 56 to 59 is a press-formed product of a steel plate, and has an elongated arch body 61 having a substantially U-shaped cross section, and an open top of the arch body 61. And front and rear flanges 62 and 63 folded substantially horizontally from the edge.
- Each of the front roof vertical arch divided bodies 56, 58 is spanned between the rear flange 63 of the roof front end horizontal arch 51 and the front flange 62 of the roof central horizontal arch 52, and spot welding is performed at two points respectively. It is joined.
- the rear roof vertical arch divided bodies 57 and 59 are spanned between the rear flange 63 of the roof central lateral arch 52 and the front flange 62 of the roof rear end lateral arch 53, and are spotted in two places respectively. Joined by welding.
- Each joint (welded part) by spot welding of each roof vertical arch divided body 56 to 59 is indicated by reference numeral 64.
- the roof panel 40 is joined to the roof support frame 50. That is, the front end portion 41 of the roof panel 40 is joined to the roof front end lateral arch 51. The rear end portion 42 of the roof panel 40 is joined to the roof rear end lateral arch 53. The center part in the front-rear direction of the roof panel 40 is joined to the flanges 62 and 63 of the roof vertical arch divided bodies 56 to 59 by spot welding.
- the front end portion 41 of the roof panel 40 is joined to the front flange 62 of the roof front end lateral arch 51 at a plurality of locations, for example, 12 locations at a predetermined pitch in the vehicle width direction by spot welding.
- the rear end portion 42 of the roof panel 40 is joined to a flange 63 on the rear side of the roof rear end lateral arch 53 at a plurality of locations, for example, 12 locations at a predetermined pitch in the vehicle width direction by spot welding.
- Each joint portion (welded portion) of the front end portion 41 and the rear end portion 42 of the roof panel 40 by the spot welding is indicated by reference numeral 65.
- the roof panel assembly 16 has corner portions 43 to 46 at the four corners of the rectangular roof panel 40 with respect to the left and right roof rails 15 and 15, left and right end portions 47 and 47 of the roof panel 40, and the roof front end side. Both ends of the arch 51 and both ends of the roof rear end lateral arch 53 are joined. It is optional to join both ends of the roof central transverse arch 52 to the left and right roof rails 15, 15, but in order to further increase the strength and rigidity of the roof 14, it is preferable to join them.
- the left and right corner portions 43 and 44 on the front side of the roof panel 40 are joined to the left and right roof rails 15 and 15 by spot welding at a predetermined pitch in the vehicle width direction, for example, at three locations. Yes.
- Each joint portion (welded portion) of the left and right corner portions 43, 44 on the front side of the roof panel 40 by spot welding is indicated by reference numeral 66.
- Three welded portions 66 located at the left and right corner portions 43, 44 on the front side are arranged on an extension line of the plurality of welded portions 65 located in a row at the front end portion 41 of the roof panel 40.
- the left and right corner portions 45 and 46 on the rear side of the roof panel 40 are joined to the left and right roof rails 15 and 15 by spot welding at a predetermined pitch in the vehicle width direction, for example, at four locations.
- Each joint portion (welded portion) of the left and right corner portions 45, 46 on the rear side of the roof panel 40 by the spot welding is indicated by reference numeral 67.
- Three welded portions 67 located at the left and right corner portions 45, 46 on the rear side are arranged on an extension line of the plurality of welded portions 65 located in one row at the rear end portion 42 of the roof panel 40. Yes.
- the joining structure of the right end 47 of the roof panel 40 to the right roof rail 15 will be described.
- the joining structure of the left end 47 of the roof panel 40 to the left roof rail 15 is the same as the left joining structure, and the description thereof is omitted.
- the right end portion 47 of the roof panel 40 extends while descending toward the step surface 33a of the right step portion 33 and overlaps the right step surface 33a.
- the right stepped portion 33 and the right end portion 47 constitute a right groove portion 71 having an open top.
- the right end portion 47 is temporarily stopped until the right stepped surface 33a is bonded with an adhesive portion 72 by an adhesive and the adhesive portion 72 can exert an adhesive force.
- the right end portion 47 is mainly joined to the right stepped surface 33 a by the adhesive portion 72 and supplementarily joined by the temporary fixing portion 73.
- the plurality of temporary fixing portions 73 for example, four on the right side are arranged in a line in the longitudinal direction of the vehicle body. As shown in FIGS. 4, 5, and 6, the plurality of temporary fixing portions 73 are located between the edge 47 a of the right end portion 47 of the roof panel 40 and the bonding portion 72, and the edges It is arranged along 47a.
- the bonding portion 72 is located on the inner side in the vehicle width direction from the positions of the plurality of temporary fixing portions 73 in the right end portion 47 of the roof panel 40.
- the adhesive portion 72 can be positioned continuously in the longitudinal direction of the groove portion 71 with respect to the right end portion 47 of the roof panel 40 without overlapping the temporary fixing portion 73. Therefore, since the bonding range between the right end 47 of the roof panel 40 and the right step 33 is wide, the bonding strength can be increased.
- the left and right roof rails 15 and 15 and the left and right end portions 47 and 47 of the roof panel 40 are overlapped with each other in the vertical direction and joined by spot welding at a plurality of locations.
- this spot welding is abolished and it joins by this adhesion part 72.
- the adhesive force of the adhesive portion 72 is appropriately set at the vehicle development stage in consideration of the joint force by spot welding that has been conventionally employed.
- the adhesive strength of the adhesive portion 72 is set to be equal to or greater than the plating adhesion strength (plating peel strength) of aluminum plating to the steel plate as a base.
- the type of the adhesive and the size (thickness, width, length) of the adhesive portion 72 are arbitrary, and the right end portion 47 is joined to the right step surface 33a when the adhesive is cured. It is sufficient that the predetermined adhesive force necessary for the above can be exhibited.
- the adhesive portion 72 is provided with a predetermined width and continuously in the longitudinal direction of the vehicle body, or intermittently at a predetermined pitch.
- the plurality of temporary fixing parts 73 are pulse laser welded parts.
- the pulse laser welding is a well-known technique, and is a method of welding with pulse laser waves intermittently output from a pulse laser oscillator.
- the pulse laser wave can be spot-welded without affecting the surroundings because the irradiation time of the part to be welded is short. For this reason, the trace (dent mark, dent) which generate
- the area of the portion to be welded (temporary fastening portion 73) may be small, and welding can be performed by approaching the edge 47a of the end portion 47 of the roof panel 40.
- the plurality of temporary fixing portions 73 are portions welded to such an extent that they are temporarily fixed until the bonding portion 72 can exert a predetermined adhesive force, and the bonding strength is small. Good. That is, it is the bonding portion 72 that mainly joins the right end portion 47 of the roof panel 40 to the step surface 33a. After the bonding portion 72 exerts a predetermined adhesive force, the temporary fixing portion 73 may finish the role of temporarily stopping and fulfill the role of supplementing the bonding by the bonding portion 72. For this reason, since the trace of welding of the temporary fix
- the joint strength of the plurality of temporary fixing portions 73 is appropriately set at the vehicle development stage.
- the bonding strength of the plurality of temporary fixing portions 73 is equal to or greater than the plating adhesion strength (plating peel strength) between the base steel plate and the aluminum plating. Is set.
- the plurality of temporary fixing portions 73 are covered with the filler layer 74 made of the filler filled in the right stepped portion 33, and thus cannot be visually recognized from the outside.
- the range of the filler layer 74 is a range from the left corner 39 between the upper end 36 of the right outer panel 31 and the right step surface 33a to a portion covering the plurality of temporary fixing portions 73, that is, a width Ws. .
- the maximum height from the right corner 39 to the filler layer 74 is Hs. Since it is set in this way, the right corner 39 and the plurality of temporary fixing portions 73 are covered with the filler layer 74. Therefore, the appearance of the vehicle 10 can be further enhanced.
- the type of the filler is arbitrary, but for example, a gap filler generally called a dust sealer is suitable.
- the gap filler is a viscous liquid, but changes to an elastic solid over time.
- the surface shape of the filler layer 74 by the filler filled in the right step portion 33 is substantially curved so as to be gradually depressed from the vicinity of the upper end 36 of the right outer panel 31 to a portion covering the plurality of temporary fixing portions 73. It is curved. For this reason, the contour of the right groove portion 71 can be blurred by covering the right corner 39 and the peripheral portion of the corner 39 with the filler layer 74 having a substantially curved surface. Therefore, the appearance of the vehicle 10 can be further enhanced.
- the manufacturing process of the roof 14 will be described. 7.
- the roof supporting bone assembly 50 is produced by welding the transverse arches 51 to 53 and the roof longitudinal arch divided bodies 56 to 59 in combination.
- the roof panel assembly 16 is produced by overlapping and welding the roof panel 40 to the roof supporting bone assembly 50.
- the roof panel assembly 16 is assembled and joined to the left and right roof rails 15, 15 of the vehicle body 11.
- the adhesive portion 72 is formed on the step surface 33 a by applying an adhesive to the step surface 33 a of the step portion 33 of the roof rail 15.
- the roof panel assembly 16 is positioned and overlapped on the left and right roof rails 15 and 15.
- the left and right end portions 47 of the roof panel 40 are superimposed on the adhesive portion 72.
- pulse laser welding is performed on the step surface 33 a at predetermined positions between the edges 47 a and 47 a of the left and right end portions 47 of the roof panel 40 and the bonding portions 72 and 72.
- the temporarily fixed portion is a temporary fixing portion 73.
- the inner rails 21 and 21 of the left and right roof rails 15 and 15 are provided with corner portions 43 to 46 of the roof panel 40, both ends of the roof front end horizontal arch 51, and the roof rear end horizontal.
- the both ends of the arch 53 are welded.
- a filler is applied to the stepped portion 33, and the stepped surface 33a is filled with the width Ws from the corner 39 to form the filler layer 74.
- the filler layer 74 covers the temporary fixing portion 73.
- the shape of the surface of the filler layer 74 is adjusted by using, for example, a brush or a thin spatula so as to form a smooth curved concave portion.
- the vehicle body 11 completed by assembling the roof panel assembly 16 is immersed in an electrodeposition solution contained in a treatment tank (not shown) (surface treatment step). At that time, buoyancy is applied to the left and right end portions 47 of the roof panel 40. At this point, the bonding portion 72 (see FIG. 4) is hardly cured. However, the left and right end portions 47 and 47 are temporarily fixed to the left and right roof rails 15 and 15 by a plurality of temporary fixing portions 73. For this reason, the left and right end portions 47 of the roof panel 40 are not detached from the left and right roof rails 15 due to the buoyancy.
- a painting baking process is performed.
- the bonding portion 72 is heated and cured to exhibit a predetermined bonding force.
- the bonding portion 72 firmly joins the left and right end portions 47 and 47 of the roof panel 40 to the left and right roof rails 15 and 15. This completes the manufacturing process of the roof 14.
- the trace of welding of the temporary fixing portion 73 that appears on the bottom 71a of the left and right groove portions 71 is small and difficult to visually recognize.
- the temporary fixing portion 73 is covered with the left and right filler layers 74 and 74 filled in the left and right step portions 33 and 33, it cannot be visually recognized from the outside.
- the left and right end portions 47, 47 of the roof panel 40 are joined while extending downward toward the step surfaces 33a, 33a of the left and right step portions 33, 33, thereby forming the left and right groove portions 71, 71. Is done. For this reason, the right and left groove portions 71 and 71 have a good appearance because the groove depth is shallow.
- the appearance of the vehicle 10 can be enhanced without providing a cosmetic molding at the joint between the left and right roof rails 15 and 15 and the left and right end portions 47 and 47 of the roof panel 40.
- the roof support assembly 50 is spanned between the left and right roof rails 15, 15 (particularly, between the left and right inner rails 21, 21), thereby the roof panel assembly. 16 can be incorporated into the vehicle body 11. That is, the roof panel assembly 16 has both the left and right end portions 47 and 47 of the roof panel 40 joined to the left and right roof rails 15 and 15, and the both ends of the roof front end horizontal arch 51 and the roof rear end side. The both ends of the arch 53 are joined to each other to be incorporated into the vehicle body 11. Accordingly, the number of joints of the roof panel assembly 16 to the left and right roof rails 15, 15 is reduced. As a result, the number of assembling steps of the vehicle body 11 can be reduced and the assembling work of the vehicle body 11 can be facilitated.
- the roof support frame 50 includes a roof front end lateral arch 51, a roof center lateral arch 52, and a roof rear end lateral arch 53 that extend in the vehicle width direction, and at least one roof longitudinal arch that extends in the vehicle longitudinal direction. 54.
- the roof panel assembly 16 is stretched between the left and right roof rails 15, 15, the left and right roof rails 15, 15, the roof front end lateral arch 51, and the roof rear end lateral arch 53 are substantially rectangular in plan view.
- Frame is configured. Since the rectangular frame is partitioned by the roof central transverse arch 52 and at least one roof longitudinal arch 54, the strength and rigidity of the roof 14 can be increased.
- the rectangular frame includes six roof central side arches 52 and left and right roof vertical arches 54, 54. Therefore, the strength and rigidity of the roof 14 can be further increased. Accordingly, the vehicle body 11 can be reduced in weight by reducing the thickness of the roof panel 40.
- the vehicle roof structure 14 of the present invention is suitable for use in passenger cars such as sedans and wagons.
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Abstract
Description
先ず、図7に示されるように、各横アーチ51~53及び各ルーフ縦アーチ分割体56~59を組み合わせて溶接することにより、ルーフ支持用骨組立体50を生産する。
次に、図6に示されるように、該ルーフ支持用骨組立体50にルーフパネル40を重ねて溶接することにより、ルーフパネル組立体16を生産する。
次に、図6に示されるように、左右のルーフレール15,15の上に、ルーフパネル組立体16を位置決めしつつ重ね合わせる。この結果、図4及び図5に示されるように、接着部72の上にルーフパネル40の左右の端部47が重ね合わされる。
次に、図5及び図6に示されるように、ルーフパネル40の左右の端部47の縁47a,47aと接着部72,72との間の所定位置を、段差面33aにパルスレーザー溶接することによって仮止めする。該仮止めされた部分が仮止め部73である。
次に、図6に示されるように、左右のルーフレール15,15の各インナレール21,21にルーフパネル40の各コーナ部43~46と、ルーフ前端横アーチ51の両端と、ルーフ後端横アーチ53の両端と、を溶接する。
Claims (7)
- ルーフパネルと、車体の前後方向に延びて前記ルーフパネルを支えるための左右のルーフレールと、を備える車両用ルーフ構造において、
前記左右のルーフレールは、前記車体の骨格の一部を構成するための車体前後方向に細長い閉断面状の左右のインナレールと、該左右のインナレールの車幅方向外側に位置する左右のアウタパネルと、から成り、
前記左右のアウタパネルは、上端から車幅方向内側へ向かって段差状に下がりつつ延びる左右の段差部と、該左右の段差部から車幅方向内側へ向かって段差状に下がりつつ延びる左右の上部アウタフランジと、を有し、
該左右の上部アウタフランジは、前記左右のインナレールの上面に重なって接合されており、
前記ルーフパネルの左右の端部が、前記左右の段差部の段差面へ向かって下がりつつ延びて該左右の段差面に重なっていることにより、該左右の段差部と前記左右の端部とによって、上が開放された左右の溝部が構成され、
前記ルーフパネルの左右の端部は、前記左右の段差面に対して、接着剤による接着部と、該接着部が接着力を発揮することが可能となるまで仮に止めておくための溶接による仮止め部と、によって接合されており、
該仮止め部は、前記左右の段差部に充填された充填剤による充填剤層によって覆われていることを特徴とする車両用ルーフ構造。 - 前記仮止め部は、パルスレーザー溶接された溶接部である、請求項1記載の車両用ルーフ構造。
- 前記接着部は、前記ルーフパネルの左右の端部のなかで、前記仮止め部の位置よりも車幅方向内側に位置している、請求項2記載の車両用ルーフ構造。
- 前記左右の段差部のなかで、前記充填剤層の範囲は、前記左右のアウタパネルの上端と前記左右の段差面との間の左右のコーナから、前記仮止め部を覆う部位までの範囲である、請求項3記載の車両用ルーフ構造。
- 前記左右の段差部に充填された前記充填剤層の表面形状は、前記左右のアウタパネルの上端近傍から、前記仮止め部を覆う部位にかけて、徐々に窪むように湾曲した略湾曲状である、請求項4記載の車両用ルーフ構造。
- 前記左右のルーフレール間に掛け渡されて前記ルーフパネルを支持するためのルーフ支持用骨組体を、更に備え、
該ルーフ支持用骨組体と前記ルーフパネルとによって、ルーフパネル組立体が構成され、
前記ルーフ支持用骨組体は、
前記ルーフパネルの前端に沿って車幅方向へ延びたルーフ前端横アーチと、
前記ルーフパネルの中央に位置して車幅方向へ延びたルーフ中央横アーチと、
前記ルーフパネルの後端に沿って車幅方向へ延びたルーフ後端横アーチと、
前記ルーフパネルの車幅方向の略中央に位置して車体前後方向に延び、前記ルーフ前端横アーチと前記ルーフ中央横アーチと前記ルーフ後端横アーチとを繋いだ少なくとも1個のルーフ縦アーチと、から成り、
前記ルーフパネルの前端部は、前記ルーフ前端横アーチに接合され、
前記ルーフパネルの後端部は、前記ルーフ後端横アーチに接合され、
該ルーフパネル組立体は、前記左右のルーフレールに対して、前記ルーフパネルの左右の端部が接合される他に、前記ルーフ前端横アーチの両端と前記ルーフ後端横アーチの両端とが接合されている、請求項1記載の車両用ルーフ構造。 - 前記左右のルーフレール間に掛け渡されて前記ルーフパネルを支持するためのルーフ支持用骨組体を、更に備え、
該ルーフ支持用骨組体と前記ルーフパネルとによって、ルーフパネル組立体が構成され、
前記ルーフ支持用骨組体は、
前記ルーフパネルの前端に沿って車幅方向へ延びたルーフ前端横アーチと、
前記ルーフパネルの中央に位置して車幅方向へ延びたルーフ中央横アーチと、
前記ルーフパネルの後端に沿って車幅方向へ延びたルーフ後端横アーチと、
前記ルーフパネルの車幅方向の略中央に位置して車体前後方向に延び、前記ルーフ前端横アーチと前記ルーフ中央横アーチと前記ルーフ後端横アーチとを繋いだ左右のルーフ縦アーチと、から成り、
該左右のルーフ縦アーチは、車幅方向に互いに離間して位置し、
前記ルーフパネルの前端部は、前記ルーフ前端横アーチに接合され、
前記ルーフパネルの後端部は、前記ルーフ後端横アーチに接合され、
該ルーフパネル組立体は、前記左右のルーフレールに対して、前記ルーフパネルの左右の端部が接合される他に、前記ルーフ前端横アーチの両端と前記ルーフ後端横アーチの両端とが接合されている、請求項1記載の車両用ルーフ構造。
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US14/343,886 US8944496B2 (en) | 2011-09-12 | 2011-09-12 | Vehicle roof structure |
PCT/JP2011/070692 WO2013038466A1 (ja) | 2011-09-12 | 2011-09-12 | 車両用ルーフ構造 |
CN201180073380.6A CN103796907B (zh) | 2011-09-12 | 2011-09-12 | 车辆用顶盖结构 |
EP11872278.4A EP2757026B1 (en) | 2011-09-12 | 2011-09-12 | Vehicle roof structure |
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PCT/JP2011/070692 WO2013038466A1 (ja) | 2011-09-12 | 2011-09-12 | 車両用ルーフ構造 |
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EP (1) | EP2757026B1 (ja) |
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US8944496B2 (en) | 2015-02-03 |
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CN103796907B (zh) | 2016-04-06 |
US20140217783A1 (en) | 2014-08-07 |
EP2757026A4 (en) | 2015-04-22 |
EP2757026A1 (en) | 2014-07-23 |
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