JP2009083691A - Supporting structure of sun roof device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a supporting structure of a sun roof device for a vehicle capable of enhancing support rigidity of the sun roof device without increasing the number of parts. <P>SOLUTION: The supporting structure of the sun roof device for the vehicle is provided with a roof reinforcement 3 laid between roof side rails 4, 4 and an assist grip bracket 8 mounted to the roof side rail 4, and is provided with a second roof support bracket 11 for connecting the assist grip bracket 8 and the roof reinforcement 3. A rail extension part 51c of a guide rail 51b constituting a sun roof unit 5 is supported by the second roof support bracket 11. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a support structure for a vehicle sunroof device, and more particularly to a structure in which the sunroof device is supported by a roof side rail.

  2. Description of the Related Art Conventionally, a vehicle sunroof device is provided between roof side rails having a closed cross section by joining a roof side rail inner panel and a roof side rail outer panel on the left and right sides of a vehicle body roof portion.

  In the vehicle body roof portion, a roof reinforcement extending in the vehicle body width direction is provided so as to bridge between the roof side rails on both sides. In the following Patent Document 1, the above-described sunroof device is provided at both ends thereof. It is supported in a state of being suspended by a roof reinforcement.

Japanese Utility Model Publication No. 63-189815

  However, since the roof reinforcement described above is a long panel member extending in the vehicle width direction, there is a problem that sufficient rigidity in the torsional direction cannot be ensured.

  That is, in the structure in which the sunroof device is supported by the roof reinforcement, it cannot be said that the supporting rigidity is necessarily sufficient.

  An object of this invention is to provide the support structure which can improve the support rigidity of a sunroof apparatus, without increasing a number of parts.

  The support structure for a vehicle sunroof device according to the present invention is a structure in which the vehicle sunroof device is supported by a roof side rail, and is attached to the roof side rail and a roof reinforcement that is bridged between the roof side rails. And a connecting member that connects the assist grip and the roof reinforcement integrally or separately from the assist grip bracket, and the connecting member supports the sunroof device.

  According to this configuration, the sunroof device can be supported at both ends by the roof reinforcement and the assist grip bracket, and the support rigidity of the sunroof device can be improved without increasing the number of parts.

  In one embodiment of the present invention, the roof reinforcement and the assist grip are disposed at different positions in the front-rear direction.

  According to this configuration, the sunroof device can be supported at an arbitrary position in the front-rear direction between the assist grip and the roof reinforcement, and the degree of design freedom in the upper part of the vehicle body can be improved.

  In one embodiment of the present invention, the assist grip bracket is disposed on the front and rear sides of the roof reinforcement, and the connecting member connects the front and rear assist grip brackets and an intermediate portion thereof. Is supported by the roof reinforcement.

  According to this configuration, the sunroof device can be supported using both the front and rear assist grip brackets, so that the support rigidity for supporting the sunroof device can be further improved.

  In one embodiment of the present invention, the connecting member linearly extends from the assist grip toward the center side in the vehicle width direction of the roof reinforcement.

  According to this configuration, the connecting member can be used as a tension member that causes a tension action in cooperation with the roof reinforcement at the time of a side collision, while improving the support rigidity of the sunroof device. The collision performance can also be improved.

  In one embodiment of the present invention, the assist grip bracket is disposed on the front and rear sides of the roof reinforcement, and the connecting member is provided corresponding to the front and rear assist grip brackets. Is.

  According to this configuration, since both the front and rear assist grip brackets can be used as the tension member at the time of a side collision, the collision performance at the time of a side collision can be further improved.

  In one embodiment of the present invention, the connecting member is integrated with the assist grip bracket, and the roof reinforcement is integrally provided with a nut corresponding to the position of the connecting member. The roof reinforcement and the connecting member are fastened by the nut and bolt.

  According to this configuration, the roof reinforcement can be easily connected to the connecting member regardless of the method of assembling the roof portion to the vehicle body.

  According to the present invention, the sunroof device can be supported at both ends by the roof reinforcement and the assist grip bracket, and the support rigidity of the sunroof device can be improved without increasing the number of parts.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
First, the first embodiment shown in FIGS. 1 to 4 will be described. FIG. 1 is a bottom view showing a support structure of a vehicle sunroof device according to the present embodiment, FIG. 2 is an enlarged plan view of a main part of FIG. 1, and FIGS. It is a view sectional view and a BB line arrow sectional view. In the figure, the arrow (F) indicates the front of the vehicle, the arrow (R) indicates the rear of the vehicle, the arrow (IN) indicates the inside of the vehicle, and the arrow (OUT) indicates the outside of the vehicle.

  The roof portion 2 of the vehicle body 1 includes a roof panel 2a, a roof reinforcement 3 extending in the vehicle width direction at the lower portion of the roof panel 2a, and a roof side extending in the vehicle longitudinal direction on both side edges of the roof portion 2. The rail 4 and the sunroof unit 5 are provided, and are joined to the upper ends of the pillars 6, 7.

  2 to 4, the roof rain reinforcement 3 includes a roof rain bottom surface portion 31, a pair of roof rain side surface portions 32 provided on both side edges of the roof rain bottom surface portion 31 and extending upward, A roof rain support flange portion 33 extending outward at the upper end of the side surface portion 32 is provided, and in particular, as shown in FIG. As shown in FIG. 2, the roof reinforcement 3 is joined to the roof side rail inner panel 41 constituting the roof side rail 4 at the joint convex portions 34 formed at both ends thereof, and the roof side rail 4 It is arranged to bridge between four.

  The roof side rail 4 has a roof side rail inner panel 41 and a roof side rail outer panel 42 joined to each other, and has a closed cross section as shown in FIG. As shown in FIG. 1, mounting brackets 8 and 8 are attached to a part of the roof rail inner panel 41 at a total of four places, as shown in FIG. 1, and an assist grip 9 indicated by a two-dot chain line in FIG. It is possible.

  Further, the mounting bracket 8 mainly has front and rear joint portions 8a and 8a that are joined to the roof side rail 4, and a mounting surface 8b that protrudes from the joint portions 8a and 8a to attach the assist grip 9. The overall cross-sectional hat shape.

  Further, the mounting bracket 8 has folded portions 8c, 8c,... Extending in a direction substantially orthogonal to the mounting surface 8b. In the mounting bracket 8, the folded portion 8c ensures rigidity against a load in the torsional direction. ing.

  As shown in FIG. 1, the sunroof unit 5 includes a sunshade 50 such as a slide roof that opens and closes the sunroof opening 20 of the roof panel 2 a, and a frame member 51 in which an opening 51 a is formed so as to coincide with the sunroof opening 20. Yes. Furthermore, both ends of the frame member 51 have guide rails 51b and 51b for sliding the sunshade 50 back and forth to open and close the sunroof opening 20.

  When the sunroof opening 20 is opened, the guide rails 51b and 51b have rail extensions 51c and 51c that extend further rearward than the opening 51a in order to slide the sunshade 50 rearward.

  In addition, the sunroof unit 5 is supported in such a manner that a portion forming the opening 51a is joined to the roof side rail 4 via the first roof support brackets 10, 10,.

  Further, at the rear of the sunroof unit 5, a rail extension 51c is supported by the roof side rail 4 via the second roof support bracket 11 and the roof reinforcement 3, as shown in FIGS. .

  Specifically, the rail extension 51c is fastened to the second roof support bracket 11 by bolts 12 and nuts 13 (see FIGS. 2 to 4), and the second roof support bracket 11 is attached to the roof rain bottom surface 31 and The roof rain support flange portion 33 is joined to the vehicle outer side end portion. Thereby, the rail extension 51c is supported by the roof rail inner panel 41.

  Further, in the present embodiment, the brackets 8, 8 to which the rear assist grip 9 is attached are located on the front side and extend toward the vehicle interior side, and the vehicle interior side end portion of the bracket 8 is the second roof support bracket. 11 and a bolt 12 and a nut 13 together with the rear end of the rail extension 51c.

  For this reason, the roof reinforcement 3 and the assist grip 9 are connected by the mounting bracket 8 and the second roof support bracket 11, and the sun roof unit 5 has a roof reinforcement 51 at the roof extension 51c. 3 and the mounting bracket 8.

  Here, the mounting bracket 8 originally has high rigidity for mounting the assist grip 9. For this reason, in the sunroof unit 5, the rail extension portion 51 c is supported not only by the roof reinforcement 3 but also by using the mounting bracket 8, thereby supporting the sunroof unit without increasing the number of parts. 5 can be improved.

  The mounting bracket 8 has flange portions 8d and 8d extending upward on both front and rear sides, and has a substantially U-shaped cross section. Therefore, the rigidity of the mounting bracket 8 itself can be improved together with the folded portions 8c, 8c,..., And the support rigidity of the sunroof unit 5 can be further improved.

  Further, in the present embodiment, the mounting brackets 8 are disposed on the front and rear sides of the roof reinforcement 3, and as shown in FIG. 3, the assist grip 9 and the roof reinforcement 3 are arranged on the front and rear sides. They are arranged at different positions in the direction. For this reason, the sunroof unit 5 can be supported at an arbitrary position in the front-rear direction between the assist grip 9 and the roof reinforcement 3, and the degree of freedom in designing the upper part of the vehicle body can be improved.

  The mounting bracket 8 has a U-shaped cross section by the front and rear flange portions 8d, 8d, but the flange portion 8a is not formed on the rear side in contact with the vertical wall of the second roof support bracket 11, and the cross section L It may be a letter shape.

(Second Embodiment)
Next, a second embodiment shown in FIGS. 5 and 6 will be described. FIG. 5 is an enlarged plan view of a main part showing the support structure of the vehicle sunroof device according to the present embodiment, and FIG. 6 is a cross-sectional view taken along the line CC in FIG. In addition, about the component similar to 1st Embodiment, the same code | symbol is attached | subjected and the detailed description is abbreviate | omitted.

  In the present embodiment, the front and rear mounting brackets 108, 108 have portions 108 a to 108 c corresponding to the joint portion 8 a, the mounting surface 8 b, and the folded portion 8 c, and are disposed on the front and rear sides with the roof reinforcement 3 interposed therebetween. This is the same as in the first embodiment. However, both of them have a flange portion 108d corresponding to the flange portion 8d, and the second roof support bracket 111 extends further rearward than the roof reinforcement 3 to connect the front and rear mounting brackets 108 and 108 to each other. Is different.

  Specifically, as shown in FIGS. 5 and 6, the vehicle interior side ends of the front and rear mounting brackets 108 and 108 are fastened to the front and rear of the second roof support bracket 111 by bolts 12 and nuts 13, respectively. Mounting brackets 108 and 108 are connected by a second roof support bracket 111.

  The second roof support bracket 111 is joined to and supported by the roof reinforcement 3 at an intermediate portion thereof, whereby the sunroof unit 5 is connected to the roof reinforcement 3 and the mounting bracket at the rail extension portions 51c and 51c. 108 is supported.

  In this case, since the sunroof unit 5 can be supported using both the front and rear mounting brackets 108 and 108, the support rigidity for supporting the sunroof unit 5 can be further improved.

(Third embodiment)
Further, in the second embodiment, the front and rear mounting brackets 108 and 108 and the second roof support bracket 111 are separated, but FIG. 7 and FIG. 8 (however, FIG. 8 is a DD arrow in FIG. 7). As shown in the sectional view in FIG.), A mounting bracket 208 having a second roof support portion 208e is provided in the middle portion between the front and rear mounting surfaces 208b and 208b, and integrated with the second roof support bracket. Good. Note that the mounting bracket 208 of the present embodiment also has flange portions 208d at both front and rear ends from the mounting surface 208b to the second roof support portion 208e.

  In the present embodiment, the nut 35 is integrally attached to the upper surface of the roof reinforcement 3 corresponding to the position of the second roof support portion 208e, and the second roof support portion 208e of the attachment bracket 208 is As shown in FIG. 8, the roof reinforcement 3 protrudes toward the roof rain bottom surface 31. The mounting bracket 208 is fastened to the roof rain bottom surface portion 31 of the roof reinforcement 3 by the nut 35 and the bolt 214 described above at the second roof support portion 208e.

  As a result, as in the first and second embodiments described above, the mounting bracket 208 can be used to improve the support rigidity of the sunroof unit 5 while being integrated with the second roof support bracket. Can be reduced.

  By the way, as a method of assembling the roof portion 2 to the vehicle body, first, the roof panel 2a, the roof reinforcement 3 and the second roof support bracket 11 are assembled in advance, and the unitized one is assembled to the vehicle body at a time. Such a method can be considered.

  In the first and second embodiments, even in such an assembly method, the roof reinforcement brackets 11 and 111 are attached to the roof reinforcement before the roof panel 2a is assembled within the unitization process described above. If the second roof support brackets 11 and 111 are fastened to the mounting brackets 8 and 108 by bolts 12 and nuts 13 in a later step, the predetermined assembly can be performed.

  On the other hand, when the mounting bracket 208 is integrated with the second roof support bracket as in this embodiment, if the above-described assembly method is adopted, the roof panel 2a and the roof reinforcement 3 are unitized. Since the gap between the two is narrow, even if the roof reinforcement 3 is directly welded to the second roof support 208e (mounting bracket 208) on the vehicle body side, the electrode should be brought to the welding target location. Inconvenience that the welding operation cannot be performed after all.

  Therefore, the roof reinforcement 3 can be welded to the second mounting bracket 208e, for example, in an assembly method in which only the roof reinforcement 3 is first assembled to the vehicle body and then the roof panel 2a is assembled. It will be limited.

  Therefore, in this embodiment, the mounting bracket 208 is structured to be fastened to the roof reinforcement 3 by the bolt 214 and the nut 35, and the fastening work of both can be performed by inserting the bolt 214 from the lower side (vehicle interior side). It has become.

  As described above, the mounting bracket 208 is fastened to the roof reinforcement 3 by the bolt 214 and the nut 35, so that the roof reinforcement can be used regardless of the mounting method when the roof portion 2 is assembled to the vehicle body. The attachment 3 can be easily connected to the mounting bracket 208.

(Fourth embodiment)
Moreover, as shown in FIGS. 9 and 10 (however, FIG. 10 is a cross-sectional view taken along line EE in FIG. 9), the roof reinforcement is provided from the assist grip 9 (see FIG. 3), that is, the mounting surface 308b. The mounting bracket 308 may be disposed so as to extend linearly toward the center in the vehicle width direction.

  In the present embodiment, the mounting bracket 308 is mounted so as to cross diagonally between the roof reinforcement 3 and the roof side rail 4, and thereby the mounting bracket 308 plays a role of so-called bracing.

  For this reason, the mounting bracket 308 can be used as a tension member that generates a tension action in cooperation with the roof reinforcement 3 at the time of a side collision, while improving the support rigidity of the sunroof unit 5. The performance can also be improved.

  FIG. 11 is a cross-sectional view taken along the line G-G in FIG. 9. In this embodiment, the mounting bracket 308 has a hat shape as shown in FIG. 11. As shown in FIG. 10, the bottom surface portion 308f is fastened to the rail extension portion 51c by the bolt 12 and the nut 13, while the flange portion 308g extending outward at the upper end at the inner end in the vehicle width direction is the bolt 314. And a nut 35 integrally attached to the upper surface of the roof rain bottom surface portion 31 of the roof reinforcement 3, and is fastened to the roof reinforcement 3.

  For this reason, similarly to the third embodiment, the roof reinforcement 3 can be easily connected to the mounting bracket 308.

(Fifth embodiment)
By the way, in 4th Embodiment, although the attachment bracket 308 is integrated with the 2nd roof support bracket, this invention is not necessarily limited to this. For example, as shown in FIG. 12, the mounting bracket 408 and the second roof support bracket 411 may be separated.

  In the present embodiment, the bottom surface portion 408f of the mounting bracket 408 having a hat-shaped cross section is fastened together with the second roof support bracket 411 to the rear end of the rail extension portion 51c by the bolt 12 and the nut 13, while the inner side in the vehicle width direction On the end side, the flange portion 408g is fastened to the roof rain bottom surface portion 31 of the roof reinforcement 3 by a bolt 414 corresponding to the bolt 314 and a nut 35.

  Accordingly, the roof reinforcement 3 is connected to the mounting bracket 408 at the joint portion between the bolt 414 and the nut 35 and the joint portion with the second roof support bracket 411, so that the support rigidity of the sunroof unit 5 is further improved. be able to.

  In the present embodiment, the mounting bracket 408 intersects the second roof support bracket 411 in the middle, and in FIG. 12, the flange portion 408g and the like are interrupted at the intersecting portion.

(Sixth embodiment)
In the fourth embodiment described above, the support rigidity of the sunroof unit 5 is improved by using the front mounting bracket 308. However, as shown in FIG. 13, the roof reinforcement 3 has a vehicle width direction. Mounting brackets 508 and 508 that extend linearly toward the center may be disposed on the front and rear sides of the roof reinforcement 3.

  In the present embodiment, as shown in FIG. 13, a plurality (four in this case) of nuts 35 are integrally attached to the upper surface of the roof rain support flange portion 33 of the roof reinforcement 3.

  The front and rear mounting brackets 508 and 508 are disposed substantially symmetrically with respect to the roof reinforcement 3, and the inner ends in the vehicle width direction correspond to the bolts 314 and 414 at the flange portions 508g and 508g, respectively. The bolts 514 and the nuts 35 are fastened to the roof rain support flange portion 33 at two locations respectively.

  The bottom surface portions 508f and 508f of the mounting brackets 508 and 508 are fastened to the rail extension portion 51c by bolts 12 and nuts 13 as in the fourth embodiment.

  Thereby, since both the front and rear mounting brackets 508 and 508 can be used as the tension members at the time of side collision, the collision performance at the time of side collision can be further improved.

  In addition, in 3rd-5th embodiment, about the component similar to embodiment mentioned above, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

(Other embodiments)
In the above-described embodiment, the roof reinforcement 3 and the assist grip 9 are arranged at different positions in the front-rear direction. Is possible.

In correspondence between the configuration of the present invention and the above-described embodiment,
The sunroof device of the present invention corresponds to the sunroof unit 5,
Similarly,
The assist grip brackets correspond to the mounting brackets 8, 108, 208, 308, 408, 508,
The connecting members correspond to the second roof support brackets 11, 111, 411 and the mounting brackets 208, 308, 408, 508,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

The bottom view which shows the support structure of the sunroof apparatus for vehicles which concerns on 1st Embodiment of this invention. The principal part enlarged plan view of FIG. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. FIG. 3 is a cross-sectional view taken along line B-B in FIG. 2. The principal part enlarged plan view which shows the support structure of the vehicle sunroof apparatus which concerns on 2nd Embodiment of this invention. CC sectional view taken on the line in FIG. The principal part enlarged plan view which shows the support structure of the vehicle sunroof apparatus which concerns on 3rd Embodiment of this invention. The DD sectional view taken on the line in FIG. The principal part enlarged plan view which shows the support structure of the vehicle sunroof apparatus which concerns on 4th Embodiment of this invention. EE sectional view taken on the line in FIG. GG sectional view taken on the line in FIG. The principal part sectional view showing the support structure of the sunroof device for vehicles concerning a 5th embodiment of this invention. The principal part enlarged plan view which shows the support structure of the vehicle sunroof apparatus which concerns on 6th Embodiment of this invention.

Explanation of symbols

3 ... Roof reinforcement 4 ... Roof side rail 5 ... Sunroof units 8, 108, 208, 308, 408, 508 ... Mounting bracket 9 ... Assist grip 11, 111, 411 ... Second roof support bracket 35 ... Nuts 214, 314 414, 514 ... Bolt

Claims (6)

A vehicle sunroof device is supported by a roof side rail,
A roof reinforcement bridged between the roof side rails;
With an assist grip bracket attached to the roof side rail,
A connecting member for connecting the assist grip and the roof reinforcement integrally or separately from the assist grip bracket;
A support structure for a vehicle sunroof device, wherein the connecting member supports the sunroof device. The support structure for a vehicle sunroof device according to claim 1, wherein the roof reinforcement and the assist grip are disposed at different positions in the front-rear direction. The assist grip bracket is arranged on the front and rear sides of the roof reinforcement,
The support structure for a vehicle sunroof device according to claim 2, wherein the connecting member connects the front and rear assist grip brackets, and an intermediate portion thereof is supported by the roof reinforcement. 2. The support structure for a vehicle sunroof device according to claim 1, wherein the connecting member extends linearly from the assist grip toward a center side in a vehicle width direction of the roof reinforcement. The assist grip bracket is arranged on the front and rear sides of the roof reinforcement,
The support structure for a vehicle sunroof device according to claim 4, wherein the connecting member is provided corresponding to the front and rear assist grip brackets. The connecting member is integrated with the assist grip bracket,
A nut is integrally attached to the roof reinforcement corresponding to the position of the connecting member,
The support structure for a vehicle sunroof device according to any one of claims 1 to 5, wherein the roof reinforcement and the connecting member are fastened by the nut and the bolt.

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