JP5907426B2 - Sunroof peripheral structure - Google Patents

Description

  The present invention relates to a peripheral structure of a sunroof disposed on a roof panel above a compartment of a vehicle body.

  A vehicle such as an automobile may be provided with a sunroof on a roof panel located above the compartment of the vehicle body. In the sunroof, the sunroof shade installed on the roof panel slides in the vehicle longitudinal direction to open and close the sunroof opening of the roof panel, and the rail that guides the sliding of the sunroof shade is the sunroof opening. Are arranged along the side edges in the vehicle width direction. However, the provision of the sunroof opening reduces the strength of the roof panel, and a torsional load easily acts on the elongated rail. Therefore, a reinforcement for reinforcement is attached to the peripheral portion of the sunroof opening of the roof panel.

  For example, in the peripheral structure of the sunroof of Patent Document 1, the first roof mounting bracket that extends linearly in the vehicle front-rear direction is provided on the opening peripheral side portion (roof side rail) of the roof panel that is located outside the sunroof opening in the vehicle width direction. A rear lean force (roof reinforcement) extending in the vehicle width direction is arranged at the rear edge of the opening edge of the roof panel located on the vehicle front side of the sunroof opening, between the opening edge side and the opening edge rear part. A second roof mounting bracket is disposed at the opening peripheral corner. A rail assembly (frame member) having a rail (guide rail) is arranged on the opening peripheral side of the roof panel, and the rail assembly has a mounting portion extending outward in the vehicle width direction with respect to the rail. Is provided. In such a structure, the attachment portion in the intermediate region in the longitudinal direction of the rail assembly is joined to the opening peripheral side portion of the roof panel via the first roof attachment bracket. Further, the attachment portion in the rear end region in the longitudinal direction of the rail assembly is joined to the opening peripheral corner portion of the roof panel via the rear reinforcement and the second roof attachment bracket.

  Furthermore, when the sunroof is an automatic sunroof configured to drive the sunroof shade by the drive mechanism, the drive mechanism of the automatic sunroof is a harness that bundles a motor, a cable that supplies power to the motor, and the like. Generally, in the peripheral structure of the conventional sunroof, the components of these drive mechanisms are arranged at the front edge of the opening edge of the roof panel.

JP 2009-83691 A

  However, in the periphery of the opening of the roof panel in the peripheral structure of the sunroof in Patent Document 1, the mounting portion of the rail assembly that extends outward in the vehicle width direction with respect to the rail is joined to the roof panel via the side reinforcement. The rail assembly is only supported in a cantilevered state. Therefore, the strength against torsional load acting on the intermediate region in the longitudinal direction of the rail assembly is not sufficient. In addition, at the corner of the periphery of the opening of the roof panel, the attachment portion of the rear end region in the longitudinal direction of the rail assembly is joined to the roof panel via the front lean force and the corner lean force. In order to reinforce a part, a corner | angular part reinforcement is added and the number of parts will increase. This is not preferred.

  In the conventional peripheral structure of the automatic sunroof, the opening peripheral edge front portion of the roof panel is narrow, and in particular, a sufficient space for routing the harness of the drive mechanism cannot be secured. Therefore, it is desired to route the harness efficiently, and further, a structure that can efficiently arrange the drive mechanism is desired.

  The present invention has been made in view of such a situation, and the object thereof is to increase the strength around the sunroof without increasing the number of parts, and to drive in the case of an automatic sunroof. An object of the present invention is to provide a peripheral structure of a sunroof capable of efficiently arranging mechanisms.

  In order to solve the problem, a peripheral structure of a sunroof according to an aspect of the present invention includes a roof panel that is disposed above a passenger compartment of a vehicle body and has a sunroof opening, and a vehicle longitudinal direction so as to open and close the sunroof opening. A sunroof shade configured to be movable to the vehicle, a front lean force attached to an opening peripheral front portion of the roof panel located on the vehicle front side of the sunroof opening, and the sunroof opening located on the vehicle width direction outer side of the sunroof opening A side reinforcement that is attached to a peripheral edge of the opening of the roof panel; a pillar reinforcement that reinforces the pillar of the vehicle body and that is attached to the roof panel on the outside in the vehicle width direction of the front reinforcement; and the sunroof shade A rail that has a rail that guides the movement of the roof panel and that is disposed on the opening peripheral side of the roof panel. In the peripheral structure of the sunroof including the assembly, the front region of the side reinforcement is formed in a stepped shape so as to have an upper step portion, a middle step portion, and a lower step portion in order from the front to the rear of the vehicle. An upper step of the side lean force is attached to the front lean force, a middle step of the side lean force is attached to the pillar lean force, and a lower step of the side lean force is the rail assembly. Installed on.

  In the peripheral structure of the sunroof according to one aspect of the present invention, the rail of the rail assembly and the mounting portion of the lower step portion of the rail assembly and the side lean force are arranged with an interval in the vehicle width direction. A flange formed on the lower step portion so as to extend along the vehicle vertical direction at an intermediate position between the vehicle width direction center of the rail and the mounting portion center of the rail assembly, and extends along the vehicle vertical direction. Thus, the flange formed on the opening peripheral side of the roof panel is joined.

  In the peripheral structure of the sunroof according to one aspect of the present invention, the roof panel, the front lean force, and the upper portion of the side lean force are overlapped and joined to each other.

  According to the present invention, the following effects can be obtained. A peripheral structure of a sunroof according to one aspect of the present invention is arranged above a vehicle compartment of a vehicle body, and is configured to be movable in the vehicle longitudinal direction so as to open and close the sunroof opening, and a roof panel having a sunroof opening A sunroof shade, a front lean force attached to an opening peripheral front portion of the roof panel positioned on the vehicle front side of the sunroof opening, and an opening peripheral side portion of the roof panel positioned on the outer side in the vehicle width direction of the sunroof opening A side reinforcement that is attached to the vehicle, a pillar reinforcement that reinforces the pillar of the vehicle body and that is attached to the roof panel outside the front reinforcement in the vehicle width direction, and a rail that guides the movement of the sunroof shade. And a rail assembly disposed on the opening peripheral side of the roof panel. In the peripheral structure of the roof, the front region of the side lean force is formed in a step shape so as to have an upper step portion, a middle step portion, and a lower step portion in order from the front to the rear of the vehicle. An upper step portion is attached to the front lean force, a middle step portion of the side lean force is attached to the pillar lean force, and a lower step portion of the side lean force is attached to the rail assembly. Therefore, in the middle part of the side lean force located in the middle of the vehicle vertical direction between the upper part of the side lean force to which the front lean force is attached and the lower step part of the side lean force to which the rail assembly is attached, By attaching the pillar lean force, the vehicle can be prevented from being folded in the vertical direction in the front region of the side lean force, and the strength around the sunroof can be increased. Furthermore, the opening edge corner of the roof panel located between the opening edge front part and the opening edge side part is reinforced by using a pillar reinforcement that reinforces the pillar of the vehicle body, thereby increasing the number of parts. In addition, the strength around the sunroof can be increased. In addition, for example, when the sunroof is an automatic type, generally, a drive mechanism such as a motor or a harness used for driving the slide of the sunroof shade is disposed below the front lean force. The harness of the drive mechanism can be routed in a space formed below the upper portion of the side lean force to which the front lean force is attached. Therefore, in the case of an automatic sunroof, the drive mechanism can be efficiently arranged.

  In the peripheral structure of the sunroof according to one aspect of the present invention, the rail of the rail assembly and the mounting portion of the lower step portion of the rail assembly and the side lean force are arranged with an interval in the vehicle width direction. A flange formed on the lower step portion so as to extend along the vehicle vertical direction at an intermediate position between the vehicle width direction center of the rail and the mounting portion center of the rail assembly, and extends along the vehicle vertical direction. As described above, the flange formed on the peripheral edge portion of the opening of the roof panel is joined, so that the intermediate region in the longitudinal direction of the rail assembly is firmly supported, and the torsion acting on the intermediate region in the longitudinal direction of the rail assembly Strength against load can be increased. Therefore, the strength around the sunroof can be increased.

In the peripheral structure of the sunroof according to one aspect of the present invention, the roof panel, the front lean force, and the upper portion of the side lean force overlap each other, and are joined by three pieces,
The strength of the opening peripheral corner of the roof panel can be increased. Therefore, the strength around the sunroof can be increased.

1 is a perspective view schematically showing a peripheral structure of a sunroof according to an embodiment of the present invention when viewed from the outside of a vehicle body. 1 is a perspective view schematically showing a rail and its periphery in an embodiment of the present invention when viewed from the outside of a vehicle body. It is a bottom view which shows roughly the attachment structure of the drive mechanism in embodiment of this invention seeing from the vehicle interior side. It is a top view which shows roughly each attachment of the reinforcement and rail of an opening peripheral corner | angular part in embodiment of this invention seeing from the vehicle body exterior in the state which drew the roof panel by the virtual line. It is AA sectional drawing of FIG. It is a bottom view which shows roughly the attachment structure of each reinforcement in embodiment of this invention seeing from the vehicle interior side. It is a perspective view which shows roughly the attachment structure of each reinforcement in embodiment of this invention seeing from the vehicle body exterior in the state which drew the roof panel by the virtual line. It is a bottom view which shows roughly the attachment structure of each reinforcement and rail of the opening periphery corner | angular part in embodiment of this invention seeing from the vehicle interior side. It is a perspective view which shows roughly the attachment structure of each reinforcement and rail of the opening periphery corner | angular part in embodiment of this invention seeing from the vehicle interior side. It is BB sectional drawing of FIG.

  A vehicle body including a sunroof peripheral structure according to an embodiment of the present invention will be described. Referring to FIG. 1, a roof panel 2 is disposed above a vehicle compartment of a vehicle body 1, and a sunroof opening 3 penetrating from the vehicle interior to the outside of the vehicle body is formed in the roof panel 2. A side panel 4 is attached to the outer end of the roof panel 2 in the vehicle width direction. Further, a sunroof shade 5 that is movable in the vehicle front-rear direction so as to open and close the sunroof opening 3 is disposed. Referring to FIGS. 2 to 5, a rail assembly 6 is disposed along an outer edge in the vehicle width direction of the sunroof opening 3, and the rail assembly 6 includes a rail 7 that guides the movement of the sunroof shade 5. And a rail mounting bracket 8 for mounting the rail 7. Referring to FIG. 3, a cover member 9 is disposed on the opening peripheral edge front portion 2 a of the roof panel 2 located on the vehicle front side of the sunroof opening 3. Two motors 10 for driving the sunroof shade 5 are attached to the cover member 9. In addition, a plurality of harnesses 11 in which cables and the like for supplying power to the motor 10 are bundled are attached to the cover member 9. Referring to FIGS. 6 to 10, a front lean force 12 is attached to the opening peripheral front portion 2 a of the roof panel 2. A side lean force 13 is attached to the opening peripheral side 2b of the roof panel 2 located outside the sunroof opening 3 in the vehicle width direction. A pillar lean force 14 that reinforces the front pillar portion 4a and the center pillar portion 4b provided on the side panel 4 is attached to the roof panel 2 outside the front lean force 12 in the vehicle width direction. Further, referring to FIG. 6, a front window reinforcement 15 for reinforcing the periphery of the front window opening 1 a of the vehicle body 1 is attached to the front end portion of the roof panel 2.

  Next, details of the roof panel 2, the side panel 4, and the sunroof shade 5 will be described with reference to FIGS. 1 and 5 to 7. 1 and 6, the sunroof opening 3 provided in the roof panel 2 is formed in a substantially square shape, and the corners of the sunroof opening 3 are formed to be curved. Referring to FIGS. 5 and 7, a flange 2 c extending from the upper side of the vehicle toward the lower side of the vehicle is formed on the opening peripheral side 2 b of the roof panel 2. Referring to FIG. 1, the front pillar portion 4a of the side panel 4 is formed so as to extend obliquely downward from the front end edge of the roof panel 3 toward the vehicle front side. 2 and the front pillars 4a of the pair of side panels 4 are surrounded. A center pillar portion 4b extending in the vehicle up-down direction is formed in the middle of the side panel 4 in the vehicle front-rear direction. The center pillar portion 4b is located in the middle of the sunroof opening 3 of the roof panel 2 in the vehicle front-rear direction. The sunroof shade 5 is formed in a substantially square shape in a vehicle plan view corresponding to the sunroof opening 3. The sunroof shade 5 is configured to be movable in the vehicle front-rear direction on the upper surface 2d side of the roof panel 2, and the sunroof opening 3 is closed (hereinafter referred to as “sunroof closed state”) (not shown), It is configured to be movable between a state in which the sunroof is closed and the sunroof opening 3 is opened (hereinafter referred to as “sunroof open state”) (see FIG. 1).

  Details of the rail assembly 6 will be described with reference to FIGS. 2, 4, 5, and 8 to 10. Referring to FIGS. 2, 4, 5, 8, and 9, the rail 7 is formed linearly so as to extend in the vehicle front-rear direction. Referring to FIG. 5, the rail 7 is formed in a substantially U shape in a cross sectional view, and the rail mounting bracket 8 is formed in a substantially crank shape in a cross sectional view. The rail mounting bracket 8 has a rail support portion 8a on the center side in the vehicle width direction, and a mounting portion 8b located on the vehicle upper side and the vehicle width direction outer side with respect to the rail support portion 8a. Referring to FIGS. 8 and 9, the front end of the rail support portion 8 a of the rail mounting bracket 8 is disposed corresponding to the opening peripheral front portion 2 a of the roof panel 2. The front end of the mounting portion 8 b of the rail mounting bracket 8 is disposed at a distance from the front end edge of the sunroof opening 3 of the roof panel 2. Referring to FIG. 8, the front end area of the mounting portion 8b of the rail mounting bracket 8 and the intermediate area spaced from the front end area on the vehicle rear side are each substantially U-shaped and open outward in the vehicle width direction. A mounting groove 8c is formed.

  The details of the cover member 9, the motor 10, and the harness 11 will be described with reference to FIG. The cover member 9 is disposed along the vehicle width direction at the opening peripheral front part 2a of the roof panel 2. The cover member 9 has three attachment holes 9a that are spaced from each other in the vehicle width direction. The two motors 10 are arranged at intervals in the vehicle width direction, and the shaft center 10a of the motor 10 is arranged along the vehicle width direction. The plurality of harnesses 11 are arranged along the vehicle width direction. The two motors 10 and the plurality of harnesses 11 are fixed to the lower surface 9 b of the cover member 9.

  The details of the front lean force 12 will be described with reference to FIGS. 3 and 6. Referring to FIG. 6 in contrast with FIG. 3, the front lean force 12 is disposed on the upper side of the cover member 9. The front lean force 12 is formed with three attachment protrusions 12a that protrude from the upper side of the vehicle toward the lower side of the vehicle so that the cover member 9 can be attached. The three attachment protrusions 12a are arranged at intervals in the vehicle width direction. Furthermore, an attachment hole 12 b is formed in the attachment protrusion 12 a so as to correspond to the attachment hole 9 a of the cover member 9.

  The details of the side lean force 13 will be described with reference to FIGS. Referring to FIGS. 9 and 10, the front region of the side lean force 13 is formed in a staircase shape so as to have an upper step portion 13a, a middle step portion 13b, and a lower step portion 13c in order from the front to the rear of the vehicle. . Referring to FIGS. 8 and 10, a mounting hole 13 d is formed in a lower step portion 13 c of the front region of the side lean force 13 and an intermediate region of the side lean force 13. The mounting holes 13 d of the side reinforcements 13 are arranged corresponding to the mounting grooves 8 c of the rail mounting bracket 8. Referring to FIGS. 5 and 7, a flange 13 e extending from the lower side of the vehicle toward the upper side of the vehicle is formed at the center side edge of the side portion lean force 13 in the vehicle width direction. Referring to FIG. 5, the lower step portion 13c of the front region of the side reinforcement 13 and the intermediate region on the rear side of the lower step portion 13c are spaced apart from the rail 7 of the rail assembly 6 in the vehicle width direction. Yes. The flange 13e of the side lean force 13 is disposed at a center position between the center of the rail 7 of the rail assembly 6 and the center of the mounting hole 13d of the side lean force 13 in the vehicle width direction.

  The details of the pillar lean force 14 will be described with reference to FIGS. 4 and 6 to 10. 4 and 6 to 9, the pillar lean force 14 is formed with two flanges 14a protruding from the outer end in the vehicle width direction. The two flanges 14a are arranged at an interval in the vehicle longitudinal direction. Referring to FIGS. 4 and 7, a front side protruding portion 14 b that protrudes from the center end in the vehicle width direction is formed in the front region of the pillar reinforcement 14. In the rear region of the pillar reinforcement 14, a rear projecting portion 14 c that projects from the vehicle width direction center side end is formed. Referring to FIGS. 7 to 10, a support protrusion 14 d is formed between the front flange 14 a and the front protrusion 14 b of the pillar reinforcement 14 so as to protrude downward from the vehicle.

  Details of the front window lean force 15 will be described with reference to FIG. The front window reinforcement 15 is formed so as to protrude from the lower surface 2e of the roof panel 2 to the vehicle lower side and to extend over the entire vehicle width direction of the roof panel 2. The front window lean force 15 is disposed in front of the front lean force 12 and the pillar lean force 14. The front edge of the front window lean force 15 is disposed along the front edge of the roof panel 2.

  Here, with reference to FIGS. 3-10, the attachment structure of the front part lean force 12, the side part lean force 13, and the pillar lean force 14 is demonstrated. Referring to FIG. 6 in contrast with FIG. 3, the cover member 9 is disposed on the lower surface of the front lean force 12, and the three attachment holes 9 a of the cover member 9 are respectively formed in the front lean force 12. Are arranged so as to coincide with the three mounting holes 12b. Although not particularly illustrated, the bolt F1 is inserted into the mounting hole 9a of the cover member 9 and the mounting hole 12b of the front lean force 12, and the cover member 9 is moved to the front lean force 12 by the bolt F1. Will be installed. At this time, the bolt F1 is inserted into the mounting hole 12b of the front lean force 12 in a state as shown in FIG. 9 drawn with the cover member 9 omitted.

  Referring to FIG. 10, the roof panel 2, the outer end region in the vehicle width direction of the front lean force 12, and the upper step portion 13 a of the side lean force 13 are disposed so as to overlap each other. Three such roof panels 2, the vehicle width direction outer side end region of the front lean force 12, and the upper step portion 13a of the side lean force 13 are joined by spot welding.

  Referring to FIGS. 7 to 10, the middle stage portion 13 b of the side lean force 13 and the support protrusion 14 d of the pillar lean force 14 are disposed so as to overlap each other. The middle step 13b of the side lean force 13 and the support protrusion 14d of the pillar lean force 14 are spot-welded to each other.

  With reference to FIG. 5 and FIGS. 8 to 10, the lower step portion 13 c and the intermediate region of the front region of the side lean force 13 are disposed so as to overlap the mounting portion 8 b of the rail mounting bracket 8. Referring to FIG. 6 in comparison with FIG. 3, the mounting hole 13 d provided in the lower step portion 13 c of the front region of the side lean force 13 is provided with the mounting groove 8 c on the front side of the rail mounting bracket 8 and the mounting of the cover member 9. Arranged in alignment with the holes 9b. Further, the mounting hole 13 d provided in the intermediate region of the side reinforcement 13 is arranged to coincide with the mounting groove 8 c on the rear side of the rail mounting bracket 8. Referring to FIG. 10, the bolt F <b> 2 is inserted through the mounting groove 8 c of the rail mounting bracket 8 and the mounting hole 13 d of the side reinforcement 13. Referring to FIG. 5, the bolt F <b> 3 is inserted through the mounting groove 8 c of the rail mounting bracket 8 and the mounting hole 13 d of the side lean force 13. The rail assembly 6 is attached to the side lean force 13 by such bolts F2 and F3.

  Referring to FIG. 5, the flange 13 e of the side lean force 13 is disposed so as to overlap the flange 2 c of the roof panel 2 in the vehicle width direction. The flange 13e of the side reinforcement 13 and the flange 2c of the roof panel 2 are spot-welded to each other. This joint portion is arranged at an intermediate position between the center in the vehicle width direction of the rail 7 and the center of the bolt fastening portion of the rail assembly 6 and the side lean force 13. That is, when the distance between the center of the rail 7 of the rail assembly 6 and the center of the mounting hole 13d of the side lean force 13 is a length L, the distance between the joint and the center of the rail 7 of the rail assembly 6 is as follows. L / 2, and the distance between the joint portion and the center of the mounting hole 13d of the side reinforcement 13 is L / 2.

  Referring to FIG. 3 and FIGS. 6 to 8, the two flanges 14 a of the pillar lean force 14 are disposed between the front pillar portion 4 a and the center pillar portion 4 b of the side panel 4. Further, the flange 14a of the pillar reinforcement 14 is disposed so as to overlap between the roof panel 2 and the side panel 4, and the flange 14a, the roof panel 2, and the side panel 4 are joined by spot welding.

  As described above, according to the embodiment of the present invention, between the upper step portion 13a of the side lean force 13 to which the front lean force 12 is attached and the lower step portion 13c of the side lean force 13 to which the rail assembly 6 is attached. The pillar lean force 14 is attached to the middle step 13b of the side lean force 13 located in the middle of the vehicle in the vehicle vertical direction, so that the vehicle in the front region of the side lean force 13 is prevented from being folded in the vertical direction. The strength of can be increased. Further, since the opening peripheral corner portion located between the opening peripheral front portion 2a and the opening peripheral side portion 2b of the roof panel 2 is reinforced using the pillar lean force 14 that reinforces the pillar of the vehicle body 1, The strength around the sunroof can be increased without increasing the score. In addition, since the drive mechanism such as the motor 10 and the harness 11 used for driving the sunroof shade 5 is disposed below the front lean force 12, the upper stage of the side lean force 13 to which the front lean force 12 is attached. The harness 11 can be routed in a space formed below the portion 13a. Therefore, the drive mechanism can be efficiently arranged.

  According to the embodiment of the present invention, the rail 7 extends along the vehicle vertical direction at an intermediate position between the center in the vehicle width direction of the rail 7 and the center of the bolt fastening portion of the rail assembly 6 and the side lean force 13. A flange 13e formed on the side lean force 13 and a flange 2c formed on the opening peripheral side 2b of the roof panel 2 are joined so as to extend along the vehicle vertical direction. Therefore, the rail assembly 6 is firmly supported, and the strength against torsional load acting on the rail assembly 6 can be increased. Therefore, the strength around the sunroof can be increased.

  According to the embodiment of the present invention, the roof panel 2, the front lean force 12, and the upper step portion 13 a of the side lean force 13 are overlapped and joined to each other. Strength can be increased. Therefore, the strength around the sunroof can be increased.

  Although the embodiments of the present invention have been described so far, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.

  For example, as a first modification of the present invention, the sunroof shade 5 may be configured to be manually opened and closed.

  As a second modification of the present invention, instead of spot welding, gas welding, arc welding, TIG welding, plasma welding, self-shielded arc welding, electroslag welding, electron beam welding, laser beam welding, projection welding, seam welding, Upset welding, flash welding, butt seam welding, brazing, brazing, and the like may be used. Further, instead of spot welding, fastening members such as screws and bolts may be used.

  As a third modification of the present invention, a fastening member such as a screw may be used instead of the bolt fastening. Also, instead of bolt fastening, spot welding, gas welding, arc welding, TIG welding, plasma welding, self-shielded arc welding, electroslag welding, electron beam welding, laser beam welding, projection welding, seam welding, upset welding, flash welding Butt seam welding, brazing, brazing, etc. may be used.

DESCRIPTION OF SYMBOLS 1 Car body 1a Front window opening 2 Roof panel 2a Opening edge front part 2b Opening edge side part 2c Flange 3 Sunroof opening 4 Side panel 4a Front pillar part 4b Center pillar part 5 Sunroof shade 6 Rail assembly 7 Rail 8 Rail mounting bracket 8b Installation Part 12 Front lean force 13 Side lean force 13a Upper step part 13b Middle step part 13c Lower step part 13e Flange 14 Pillar lean force F1, F2, F3 Bolt L Length

Claims (3)

A roof panel disposed above the compartment of the vehicle body and having a sunroof opening;
A sunroof shade configured to be movable in the vehicle longitudinal direction so as to open and close the sunroof opening;
A front lean force attached to an opening peripheral front portion of the roof panel located on the vehicle front side of the sunroof opening;
A side lean force attached to an opening peripheral side of the roof panel located outside the sunroof opening in the vehicle width direction;
A pillar lean force that reinforces the pillar of the vehicle body and is attached to the roof panel on the outside in the vehicle width direction of the front lean force;
In the peripheral structure of the sunroof, comprising a rail for guiding the movement of the sunroof shade, and a rail assembly disposed on the opening peripheral side of the roof panel,
The front region of the side lean force is formed in a step shape so as to have an upper step portion, a middle step portion, and a lower step portion in order from the front to the rear of the vehicle,
The upper portion of the side lean force is attached to the front lean force,
The middle portion of the side lean force is attached to the pillar lean force,
A sunroof peripheral structure in which a lower step of the side reinforcement is attached to the rail assembly. The rail of the rail assembly and the mounting portion of the rail assembly and the lower portion of the side lean force are arranged at an interval in the vehicle width direction.
A flange formed on the lower step portion so as to extend along the vehicle vertical direction at an intermediate position between the vehicle width direction center of the rail and the mounting portion center of the rail assembly, and extends along the vehicle vertical direction. The peripheral structure of the sunroof according to claim 1, wherein a flange formed on an opening peripheral side of the roof panel is joined. The peripheral structure of the sunroof according to claim 1 or 2, wherein the roof panel, the front lean force, and the upper step of the side lean force are joined to each other so that three pieces are joined.

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