JP2004291835A - Energy absorption member mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an energy absorption member mounting structure capable of being surely mounted on a vehicle body side mounting seat surface without causing disadvantages such as increase in the number of parts even when a seat surface angle of the vehicle body side mounting seat surface is varied halfway. <P>SOLUTION: An energy absorbing rib 10 made of resin arranged along a roof side rail part 12 is divided into a front side and a rear side having different assembly direction to each other, and a rear end side of an energy absorbing rib 24 of the front side extends over a seat surface angle varying portion 38 from the point of view of securing energy absorbing efficiency. An extended part 24B of the energy absorbing rib 24 of the front side is twisted with respect to an ordinary part 24A in appearance, and the angle of the mounting seat surface coincides with the rear side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a long energy absorbing member that is disposed along at least one of a pillar portion and a roof side rail portion of a vehicle and that is disposed so as to straddle a portion where a seat surface angle of a vehicle-side mounting seat surface is different. Mounting structure.
[0002]
[Prior art]
In recent years, it has been proposed to dispose an energy absorbing rib made of resin on the roof side rail portion of a vehicle in order to improve the protection performance of the occupant's head in the event of a side collision or the like (for example, Patent Document 1 below) reference).
[0003]
The energy absorbing rib of this type will be briefly described. The energy absorbing rib is formed in a long shape elongated in the vehicle front-rear direction, and is constituted by a combination of a number of vertical ribs and a number of horizontal ribs. . Further, as described above, since the energy absorbing rib is formed in a long shape, it is often divided into front and rear portions in consideration of assembly to the vehicle body. A resin clip or the like is integrally formed on the mounting seat surface side of each of the front and rear energy absorbing ribs, and the resin clip or the like is elastically pressed into a mounting hole formed in a roof side rail portion of the vehicle body. , At a predetermined position on the roof side rail portion.
[0004]
[Patent Document 1]
JP 2000-103306 A (FIG. 2)
[0005]
[Problems to be solved by the invention]
However, in the case of the mounting structure of the energy absorbing rib, the following problem may occur.
[0006]
That is, depending on the type of vehicle, the cross-sectional shape of the roof side rail panel may differ between the front side and the rear side. In this case, the mounting seat surface on which the front side energy absorbing ribs are mounted and the rear side energy absorbing rib The seating surface angle (the direction of the panel surface) is different from the mounting seating surface to be mounted. Further, in such a case, from the viewpoint of securing the protection performance of the occupant's head, the rear end portion of the front-side energy absorbing rib extends beyond the seat surface angle changing portion and is attached to the mounting seat surface of the rear-side energy absorbing rib. It can reach up to. If the angle of the seating surface between the mounting surface of the front-side energy absorbing rib and the mounting surface of the rear-side energy absorbing rib becomes large, the front-side energy absorbing rib and the rear-side energy absorbing rib are In this case, the installation direction becomes completely different, so that the front side energy absorbing ribs cannot be mounted on the vehicle body, or the design changes such as configuring the clips etc. separately from the energy absorbing ribs This necessitates an increase in the number of parts, an increase in the number of assembly steps, an increase in cost, and the like.
[0007]
In consideration of the above facts, the present invention ensures that the vehicle body-side mounting seat surface is securely assembled to the vehicle body-side mounting seat surface without inconvenience such as an increase in the number of parts even when the seat surface angle of the vehicle body-side mounting seat surface changes in the middle. It is an object of the present invention to obtain an energy absorbing member mounting structure that can perform the above-described steps.
[0008]
[Means for Solving the Problems]
The mounting structure of the energy absorbing member according to the first aspect of the present invention is disposed along at least one of the pillar portion and the roof side rail portion of the vehicle, and straddles a portion having a different seat surface angle of the vehicle body side mounting seat surface. It is a mounting structure of a long energy absorbing member attached by inserting a fastener integrally molded into the vehicle body side mounting seat surface, wherein the energy absorbing member has a seat surface angle. A first element assembled from a direction perpendicular to the first vehicle body-side mounting seat surface having a first predetermined angle, a second predetermined angle having a seat surface angle different from the first predetermined angle; A second element assembled in a direction perpendicular to the surface of the second mounting seat surface on the vehicle body side, and an extension of the first element beyond the seat surface angle changing portion. Twist apparently The assembling direction of extension is matched to the second certain angle, and fixing the extended portion in this state to the second vehicle body mounting seat surface, it is characterized in that in the.
[0009]
According to a second aspect of the present invention, there is provided the energy absorbing rib mounting structure according to the first aspect, wherein the end of the extension portion and the end of the second element are joined together using the same fastener. It is characterized by being fixed to.
[0010]
According to the first aspect of the present invention, the elongated energy absorbing member is disposed along at least one of the pillar portion and the roof side rail portion of the vehicle, and the seat surface angle of the vehicle body side mounting seat surface is reduced. They are arranged straddling different parts. Then, by inserting a fastener integrally formed with the energy absorbing member into the vehicle body side mounting seat surface, the energy absorbing member is mounted on the vehicle body side mounting seat surface.
[0011]
More specifically, the energy absorbing member is configured to include a first element and a second element, and is divided into a plurality of elements. The first element is mounted on the first vehicle body-side mounting seat surface having the seat surface angle set to the first predetermined angle, with the direction perpendicular to the surface being the mounting direction. On the other hand, the second element is mounted on a second vehicle body-side mounting seat surface having a seat surface angle set to a second predetermined angle different from the first predetermined angle, with a direction perpendicular to the surface being the mounting direction. . That is, the first element and the second element have different assembling directions.
[0012]
Here, in the case of the present invention, from the viewpoint of securing the protection performance of the occupant's head, the seat angle exceeds the seat angle change portion where the seat angle is changed from the first predetermined angle to the second predetermined angle. One element has been extended. That is, the first element has that length. For this reason, the assembling direction is different as it is, and unless the fastener is formed as a separate part, the first element cannot be assembled properly. However, in the present invention, since the extension portion is apparently twisted to match the assembly direction of the extension portion with the second predetermined angle, the extension is not changed to a separate part, and the extension portion is not changed. The portion can be fixed to the second vehicle body-side mounting seat surface.
[0013]
According to the second aspect of the present invention, since the end of the extension of the first element and the end of the second element are fixed together using the same fastener, the number of parts can be reduced, and the number of parts can be reduced. It is possible to reduce the number of additional steps.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a mounting structure for energy absorption according to the present invention will be described with reference to FIGS. In these drawings, an arrow FR appropriately shown indicates a front side of the vehicle, an arrow UP indicates an upper side of the vehicle, and an arrow IN indicates an indoor side in the vehicle width direction.
[0015]
FIG. 1 is an exploded perspective view showing an enlarged main part of the mounting structure of the energy absorbing rib according to the present embodiment, and FIG. 2 is an enlarged perspective view showing a state immediately before the energy absorbing rib is assembled. It is shown. FIG. 3 is an overall perspective view showing a state in which the energy absorbing rib according to the present embodiment is mounted, and FIG. 4 shows a state in which the energy absorbing rib on the rear side is removed (in other words, (A state after the front-side energy absorbing ribs are assembled and before the rear-side energy absorbing ribs are assembled).
[0016]
As shown in these figures, the energy absorbing rib 10 as an “energy absorbing member” is made of resin and formed in a long shape. Further, the energy absorbing ribs 10 are disposed along both sides of the roof of the vehicle in the vehicle width direction along the roof side rails 12 which are arranged with the longitudinal direction of the vehicle as a longitudinal direction. The roof side rail portion 12 includes a roof side rail inner panel 14 disposed on the vehicle interior side and a roof side rail outer panel (not shown) disposed on the vehicle interior side, and has a closed cross-sectional structure. ing.
[0017]
The roof side rail inner panel 14 in the above-described roof side rail portion 12 includes a roof side rail front inner panel 16 and a roof side rail rear inner panel 18. On the front end side of the roof side rail rear inner panel 18, a bulging portion 18A bulging into the vehicle interior is formed in relation to a sliding side door. As a result, the seat angle of the mounting seat surface 20 of the roof side rail front inner panel 16 is the first predetermined angle, whereas the seat angle of the mounting seat surface 22 of the roof side rail rear inner panel 18 is the first predetermined angle. The second predetermined angle is different from the first predetermined angle.
[0018]
The long energy absorbing rib 10 is attached to the roof side rail inner panel 14 described above. The energy absorbing rib 10 is divided into a front-side energy absorbing rib 24 as a “first element” and a rear-side energy absorbing rib 26 as a “second element”. Each of the front-side energy absorbing ribs 24 and the rear-side energy absorbing ribs 26 has a plurality of vertical ribs 28 arranged at a predetermined interval and a plurality of horizontal ribs 28 arranged orthogonal to the vertical ribs 28. The rib 30 is included.
[0019]
Also, a clip seat surface 32 (see FIG. 1) is provided at an appropriate position in the longitudinal direction of the front-side energy absorbing rib 24 and the rear-side energy absorbing rib 26, and from the center of the clip seat surface 32. A resin clip 34 as an elastically deformable “clasp” is integrally formed. Correspondingly, a square mounting hole 36 (see FIGS. 1 and 4) into which the resin clip 34 is inserted and elastically locked is inserted into the roof side rail front inner panel 16 and the roof side rail rear inner panel 18. Reference) is formed.
[0020]
The surface on which these mounting holes 36 are formed is the mounting seat surface 20 (the first vehicle body mounting seat surface) of the roof side rail front inner panel 16 and the mounting seat surface 22 (the roof side rail rear inner panel 18). The second energy absorbing rib 24 on the front side is attached to the mounting seat surface 20 in a direction perpendicular to the surface (the direction of the arrow A shown in FIG. 1 and the like). The energy absorbing rib 26 on the rear side is attached to the mounting seat surface 22 in a direction perpendicular to the surface (the direction of arrow B shown in FIG. 1 and the like).
[0021]
Here, the rear end of the front-side energy absorbing rib 24 described above has a front end side of the bulging portion 18A of the roof side rail rear inner panel 18 (that is, the front end side, that is, the protection range of the head side of the front occupant). , And extends substantially rearward of the vehicle beyond the seat surface angle changing portion 38). Hereinafter, the portion of the energy absorbing rib 24 on the front side up to the seat angle changing portion 38 is referred to as “general portion 24A”, and the portion extending beyond the seat angle changing portion 38 is referred to as “extended portion 24B”. .
[0022]
1 and 2, the extension 24B of the front-side energy absorbing rib 24 is apparently twisted with respect to the general portion 24A. Matches the seating angle (second predetermined angle) of the mounting seating surface 22 of the roof side rail rear inner panel 18.
[0023]
More specifically, a plate-like mounting piece 40 is integrally formed from the rear end of the extension portion 24B toward the rear energy absorbing rib 26. The angle of the seating surface of the mounting piece 40 matches the second predetermined angle, and a square mounting hole 42 is formed at the center thereof. Correspondingly, a block-shaped mounting piece 44 is integrally formed from the front end of the rear-side energy absorbing rib 26 toward the front-side energy absorbing rib 24. The angle of the seat surface of the mounting piece 44 also matches the second predetermined angle, and the resin clip 34 is integrally formed at the center of the mounting piece 44. By inserting the resin clip 34 into the mounting hole 42, the front-side energy absorbing rib 24 and the rear-side energy absorbing rib 26 are connected back and forth, and in this state, the resin clip 34 is directly connected to the roof side rail rear inner. By inserting them into the mounting holes 36 formed in the mounting seat surface 22 of the panel 18, they can be assembled together.
[0024]
Next, the operation and effect of the present embodiment will be described.
[0025]
First, the general portion 24A of the front-side energy absorbing rib 24 is assembled to the mounting seat surface 20 of the roof side rail front inner panel 16 by inserting and locking the resin clip 34 into the mounting hole 36. At this time, the assembling direction is a direction indicated by an arrow A in FIG. In the assembled state, as shown in FIG. 4, the extension 24B of the front-side energy absorbing rib 24 extends to the roof side rail rear inner panel 18 beyond the seat angle change portion 38. I have. However, in this embodiment, the extended portion 24B of the front-side energy absorbing rib 24 is apparently twisted with respect to the general portion 24A, and the angle of the seating surface of the mounting seating surface 22 of the roof side rail rear inner panel 18 (the second angle). (The predetermined angle of 2), the mounting piece 40 is facing the mounting seat surface 22.
[0026]
Next, the energy absorption rib 26 on the rear side is assembled to the roof side rail rear inner panel 18 by inserting and locking the resin clip 34 into the mounting hole 36. At this time, the assembling direction is the direction of the arrow B in FIG. At this time, the resin clip 34 of the mounting piece 44 provided at the front end of the energy absorbing rib 26 on the rear side is inserted into the mounting hole 42 of the mounting piece 40 of the extension 24B of the energy absorbing rib 24 on the front side. As a result, the two are connected, and the resin clip 34 is inserted and locked into the corresponding mounting hole 36 as it is, whereby both are fixed to the roof side rail rear inner panel 18 together.
[0027]
The energy absorbing rib 10 assembled to the roof side rail inner panel 14 as described above has a predetermined energy by plastically deforming when the occupant's head abuts at the time of side collision or rollover. Perform absorption.
[0028]
As described above, in the mounting structure of the energy absorbing rib 10 according to the present embodiment, the front side energy absorbing rib 24 has the front side energy absorbing rib 24 with respect to the roof side rail front inner panel 16 and the roof side rail rear inner panel 18 having different seating surface angles. When extending beyond the seat surface angle changing portion 38 in relation to the protection range of the head of the occupant on the side, the extended portion 24B of the energy absorbing rib 24 on the front side is apparently twisted with respect to the general portion 24A. And the front side energy absorbing ribs 24 and the rear side energy absorbing ribs 26 are securely connected to the roof side rail front inner panel 16 and the roof side rails. It can be assembled to the rail rear inner panel 18.
[0029]
In addition, since the resin clip 34 is formed integrally with the energy absorbing rib 10 and is not formed as a separate part, there is no disadvantage such as an increase in the number of parts.
[0030]
Further, in the mounting structure of the energy absorbing rib 10 according to the present embodiment, the mounting piece 40 is integrally formed from the rear end of the extension 24B of the front energy absorbing rib 24, and the front end of the rear energy absorbing rib 26. Since the mounting piece 44 is also integrally formed from the part and is fixed together with the same resin clip 34, the number of parts and the number of assembling steps can be reduced. As a result, according to the present embodiment, cost reduction can be achieved.
[0031]
In the above-described embodiment, the present invention is applied to the energy absorbing ribs 10 arranged along the roof side rail portion 12. However, the present invention is not limited to this, and is applied to at least one of the pillar portion and the roof side rail portion. Any configuration may be used as long as the energy absorbing member is arranged along the line. For example, the present invention may be applied to a configuration in which an energy absorbing member is provided along the roof side rail portion 12 and the rear pillar portion.
[0032]
Further, in the above-described embodiment, the energy absorbing rib 10 divided into the front side energy absorbing rib 24 and the rear side energy absorbing rib 26 has been described as an example. However, the present invention is not limited to this. The present invention may be applied to the energy absorbing ribs divided into the above elements.
[0033]
Further, in the above-described embodiment, the configuration is adopted in which the mounting piece 40 of the front-side energy absorbing rib 24 and the mounting piece 44 of the rear-side energy absorbing rib 26 are fixed together by the same resin clip 34. The invention described in claim 1 also includes a configuration in which the mounting pieces 40 and 44 are separately fixed using separate resin clips.
[0034]
【The invention's effect】
As described above, in the mounting structure of the energy absorbing member according to the first aspect of the present invention, the energy absorbing member has a first vehicle body side mounting seat surface having a seat surface angle set to the first predetermined angle. A first element assembled from a direction perpendicular to the surface and a second body-side mounting seat surface having a second predetermined angle different from the first predetermined angle with respect to the second vehicle body-side mounting seat surface. And a second element attached to the first element, the extension of the first element beyond the seat surface angle changing portion is apparently twisted to change the mounting direction of the extension to a second predetermined position. Since the extended portion is fixed to the second vehicle-body-side mounting seat surface in that state, even if the seat-surface angle of the vehicle-body-side mounting seat surface changes in the middle, disadvantages such as an increase in the number of parts are required. Can be securely attached to the vehicle-side mounting seat without causing Cormorant has an excellent effect.
[0035]
According to a second aspect of the present invention, in the first aspect, the end of the extension of the first element and the end of the second element have the same fastener. Since they are used and fixed together, it is possible to reduce the number of parts, reduce the number of assembling steps, and the like. As a result, there is an excellent effect that cost can be reduced.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an enlarged main part of an energy absorbing rib mounting structure according to the present embodiment.
FIG. 2 is an enlarged perspective view showing a state immediately before assembly of an energy absorbing rib according to the embodiment.
FIG. 3 is an overall perspective view showing an attached state of an energy absorbing rib according to the embodiment.
FIG. 4 is an overall perspective view showing a state in which a rear-side energy absorbing rib is removed.
[Explanation of symbols]
10. Energy absorbing ribs (energy absorbing members)
12 Roof side rail part 20 mounting seat surface (first vehicle body mounting seat surface)
22 Mounting seat surface (second vehicle body mounting seat surface)
24 Energy absorption ribs on the front side (first element)
24B Extended portion 26 Rear energy absorbing rib (second element)
34 Resin clip (fastener)
36 Mounting hole 38 Seat angle change part

Claims (2)

The fastener is disposed along at least one of the pillar portion and the roof side rail portion of the vehicle and is disposed so as to straddle a portion where the seat surface angle of the vehicle body side mounting seat surface is different, and furthermore, the integrally formed fastener is attached to the vehicle body side. It is a mounting structure of a long energy absorbing member attached by being inserted into the mounting seat surface,
The energy absorbing member includes a first element assembled from a direction perpendicular to a first vehicle body-side mounting seat surface having a seat surface angle set to a first predetermined angle, and a seat surface angle set to a first predetermined angle. A second element assembled from a surface perpendicular direction to a second vehicle body-side mounting seat surface having a second predetermined angle different from the angle, and
Further, the extension of the first element beyond the seat surface angle changing portion is apparently twisted so that the mounting direction of the extension matches the second predetermined angle, and in this state, the extension is connected to the second vehicle body. Fixed to the side mounting seat,
An energy absorbing member mounting structure, characterized in that: The end of the extension and the end of the second element were secured together using the same fastener,
The mounting structure for an energy absorbing member according to claim 1, wherein:

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