JP2011168248A - Side door structure for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side door structure for a vehicle capable of taking charge of a side collision load, even if an impact beam is deformed in a side collision. <P>SOLUTION: The impact beam 22 is arranged along the vehicle longitudinal direction inside a side door for a vehicle, and a projection part 24 respectively extended above and below the vehicle is arranged in an intermediate part in the longitudinal direction of the impact beam 22. A lifting module 26 is arranged at a predetermined interval to the impact beam 22 inside the vehicle width direction of the impact beam 22. A pair of front-rear claw parts 28 are arranged on both sides in the vehicle longitudinal direction of the projection part 24 in a vehicle side view on a sidewall surface 26D of the lifting module 26. When the impact beam 22 is pushed inside in the vehicle width direction in the side collision, the two projection parts 24 respectively engage with the pair of front-rear claw parts 28. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle side door structure.

  Patent Document 1 below discloses a structure in which an impact beam extending along a vehicle front-rear direction is built inside a side door of a vehicle. The front end portion of the impact beam in the vehicle front-rear direction is fixed to the door inner panel by a bracket. The rear end of the impact beam in the vehicle front-rear direction is fixed to the door inner panel by an extension, and a thick plate placed outside the impact beam in the vehicle width direction is bridged between the extension and the impact beam. .

JP 2009-190664 A

  However, in the case of the above prior art, it is mainly the impact beam that is responsible for the side impact load at the time of a side collision of the vehicle (hereinafter simply referred to as “side impact”). May not be able to handle the load.

  In view of the above facts, the present invention has an object of obtaining a vehicle side door structure that can handle a side impact load even when an impact beam is deformed.

  According to a first aspect of the present invention, there is provided a vehicle side door structure including an impact beam disposed in a vehicle front-rear direction inside the vehicle side door body, and the impact beam in the vehicle side door body. An elevating module disposed on the inner side in the width direction for elevating and lowering the window glass, and an engaged portion provided in the impact beam and provided in the elevating module by deformation of the impact beam at the time of a side collision. And an engaging portion that is in a combined state.

  According to a second aspect of the present invention, in the vehicle side door structure according to the first aspect, an interval is provided along the longitudinal direction of the impact beam between the engaging portion and the engaged portion in a side view of the vehicle. It is what has been.

  A third aspect of the present invention is the vehicle side door structure according to the first or second aspect, wherein one of the engaged portion and the engaging portion is formed of a foam material.

  According to the first aspect of the present invention, the elevating module is disposed on the inner side in the vehicle width direction than the impact beam in the inside of the vehicle side door main body, and is disposed inside the vehicle side door main body at the time of a side collision of the vehicle. When the disposed impact beam is pushed inward in the vehicle width direction, the engaging portion provided in the impact beam is engaged with the engaged portion provided in the elevating module by deformation of the impact beam. Thus, even after the impact beam is deformed, the impact beam engaging portion engages with the engaged portion of the elevating module, so that it is possible to handle the side collision load.

  According to the second aspect of the present invention, the space is provided along the longitudinal direction of the impact beam between the engaging portion and the engaged portion in a side view of the vehicle. It can be set along the direction in which the beam moves. As a result, the impact beam is deformed inward in the vehicle width direction and moved in the vehicle front-rear direction during a side collision, and the engaging portion and the engaged portion are brought into an engaged state. At that time, by appropriately adjusting the distance between the engaging portion and the engaged portion, the engaging portion and the engaged portion can be engaged with each other at a timing when a load is desired to be generated in a side collision. it can.

  According to the third aspect of the present invention, one of the engaged portion and the engaging portion is formed of a foam material, and when the side collision occurs, the engagement portion and the engaged portion engage with each other. In addition to being able to handle the load, the foam material is crushed as the impact beam moves in the longitudinal direction of the vehicle, so that it is possible to absorb the energy at the time of a side collision.

  As described above, the vehicle side door structure according to the first aspect of the present invention has an excellent effect of being able to handle a side collision load even if the impact beam is deformed during a side collision.

  The side door structure for a vehicle according to the second aspect of the present invention is excellent in that the engaging portion of the impact beam and the engaged portion of the elevating module can be engaged at a timing when a load is desired to be generated at the time of a side collision. It has the effect.

  The side door structure for a vehicle according to the third aspect of the present invention is excellent in that it can take a side impact load even if the impact beam is deformed at the time of a side collision and can absorb energy at the time of a side impact. Has an effect.

It is a side view showing the whole composition of the side door structure for vehicles concerning a 1st embodiment. It is sectional drawing which shows the side door structure for vehicles along the 2-2 line in FIG. It is a perspective view which shows the state at the time of the side collision of the opposing part of the impact beam used for the vehicle side door structure shown in FIG. It is a side view which shows the opposing part of the impact beam and lifting module used for the vehicle side door structure which concerns on 2nd Embodiment. It is a perspective view which shows the state at the time of the side collision of the opposing part of the impact beam and raising / lowering module used for the side door structure for vehicles which concerns on 2nd Embodiment. It is sectional drawing which shows the whole structure of the side door structure for vehicles which concerns on 3rd Embodiment. It is a perspective view which shows the state at the time of the side collision of the opposing part of the impact beam used for the vehicle side door structure shown in FIG. 5, and a raising / lowering module. It is a side view which shows the opposing part of the impact beam and raising / lowering module which are used for the side door structure for vehicles which concerns on 4th Embodiment. It is a perspective view which shows the state at the time of the side collision of the opposing part of the impact beam and raising / lowering module used for the side door structure for vehicles which concerns on 4th Embodiment. It is a perspective view which shows the state at the time of the side collision of the opposing part of the impact beam and raising / lowering module used for the side door structure for vehicles which concerns on 5th Embodiment.

  Hereinafter, a first embodiment of a vehicle side door structure according to the present invention will be described with reference to FIGS. In these drawings, an arrow FR appropriately shown indicates the vehicle front side, an arrow UP indicates the vehicle upper side, and an arrow IN indicates the vehicle width direction inner side.

  FIG. 1 is a side view showing the overall configuration of the vehicle side door according to the present embodiment as viewed from the inside in the vehicle width direction. FIG. 2 shows the configuration of the vehicle side door on the vehicle lower side. Is shown in a cross-sectional view. As shown in these drawings, the vehicle side door 10 is a front side door disposed on the side portion of the vehicle, and includes a door outer panel 12 disposed on the outside of the side door (vehicle width direction outside), And a door inner panel 14 disposed inside the door (in the vehicle width direction). The edge portion 12B excluding the upper edge portion 12A of the door outer panel 12 is integrated with the edge portion 14B except for the upper edge portion 14A of the door inner panel 14 by hemming, so that the door outer panel 12 and the door inner panel 14 are integrated. Are formed in a closed cross-sectional structure.

  In addition, the vehicle side door 10 is configured such that the interior of the vehicle side door 10 (the door outer panel 12 and the door inner panel 14 is formed from a gap between the upper edge portion 12A of the door outer panel 12 and the upper edge portion 14A of the door inner panel 14. The window glass 16 is disposed so as to be movable up and down in the vehicle vertical direction. On the vehicle upper side of the vehicle side door 10, a door frame 18 for guiding the window glass 16 at the time of raising and lowering is attached in a gate shape in a side view of the vehicle.

  The door inner panel 14 is formed of a substantially rectangular plate material, and includes a vertical wall portion 14C that protrudes inward in the vehicle width direction from the upper edge portion 14A and the end edge portion 14B and is disposed in the vehicle vertical direction. A large opening 20 for assembling components is formed at the center of the vertical wall portion 14C of the door inner panel 14.

  An impact beam 22 is disposed between the door outer panel 12 and the door inner panel 14 along the longitudinal direction of the vehicle. The front end portion 22A and the rear end portion 22B in the longitudinal direction of the impact beam 22 Are fixed to the door inner panel 14 by a bracket (not shown) before and after the vehicle.

  As shown in FIGS. 2 and 3, the impact beam 22 is formed of a long plate-like member, and has a U-shaped projecting portion projecting outward in the vehicle width direction at an intermediate portion in the vehicle vertical direction. Two 22C are provided along the longitudinal direction. At an intermediate portion in the longitudinal direction of the impact beam 22, a protruding portion 24 is provided as an engaging portion that extends in the vertical direction of the vehicle. The protrusion 24 is formed of a plate-like piece that continuously extends from the main body (elongate portion) of the impact beam 22.

  Between the door outer panel 12 and the door inner panel 14, an elevating module 26 in which elevating functions for elevating the window glass 16 to elevate the window glass 16 inward in the vehicle width direction from the impact beam 22 is disposed. 1 to 3, only the support member (plate) of the lifting module 26 is illustrated, and components related to the lifting function such as a window regulator are not illustrated. The elevating module 26 is disposed along the vertical direction of the vehicle at a position facing the longitudinal intermediate portion of the impact beam 22. The support member constituting the elevating module 26 is flat and is formed in a substantially H shape when viewed from the side of the vehicle. Recessed notches 26A are provided on the vehicle upper side and the vehicle lower side of the elevating module 26. . In the elevating module 26, upper ends 26B on both sides in the vehicle front-rear direction of the notch 26A are fixed to the door inner panel 14 by fasteners or the like (not shown) above the opening 20, and the vehicle of the notch 26A. Lower ends 26C on both sides in the front-rear direction are fixed to the door inner panel 14 with fasteners (not shown) below the opening 20.

  The side wall surface 26D on the outer side in the vehicle width direction of the elevating module 26 has front and rear as engaged portions protruding outward in the vehicle width direction on both sides in the vehicle front and rear direction of the two projections 24 of the impact beam 22 in the vehicle side view. A pair of claw portions 28 are provided. As shown in FIG. 3, the claw portion 28 is formed with an inclined surface 28 </ b> A that is inclined downward toward the side on which the impact beam 22 is disposed in a side view of the vehicle.

  FIG. 3 shows a state in which the impact beam 22 has moved inward in the vehicle width direction (the lifting module 26 side) at the time of a side collision of the vehicle. That is, as shown in FIG. 2, in a normal state, the impact beam 22 is disposed at a position farther outward in the vehicle width direction than the lifting module 26 (see the imaginary line in FIG. 3). The upper and lower protrusions 24 of 22 and the pair of front and rear claws 28 of the lifting module 26 are not engaged. As shown in FIG. 3, when the impact beam 22 is pushed and moves inward in the vehicle width direction at the time of a side collision of the vehicle, the upper and lower protrusions 24 of the impact beam 22 are formed on the pair of front and rear claws 28 of the lifting module 26. It is sandwiched and engaged. The protrusions 24 on the upper and lower sides of the impact beam 22 are engaged with the pair of front and rear claw portions 28 of the lifting module 26, so that the movement of the impact beam 22 in the vertical direction of the vehicle is restricted (restricted) in the engaged state. It has become so. Further, when the impact beam 22 moves inward in the vehicle width direction, the upper and lower protrusions 24 are easily engaged with the pair of front and rear claw portions 28 of the lifting module 26 by hitting the inclined surface 28A of the claw portion 28. It has become.

  By appropriately adjusting the distance in the vehicle width direction between the impact beam 22 and the elevating module 26, the projection 42 of the impact beam 40 and the pair of front and rear claws 28 are engaged with each other at the timing when a load is to be generated in the side collision of the vehicle. Can be combined.

  In the present embodiment, the impact beam 22 is formed of a metal such as a steel plate, and the support member constituting the elevating module 26 is formed of a fiber reinforced resin or the like, but is not limited thereto.

  Next, the operation and effect of this embodiment will be described.

  When the impact beam 22 disposed inside the vehicle side door 10 is pushed inward in the vehicle width direction at the time of a side collision of the vehicle, as shown in FIG. The projections 24 are engaged with the pair of front and rear claws 28 of the elevating module 26, respectively. Thus, even after the upper and lower protrusions 24 of the impact beam 22 are engaged with the pair of front and rear claws 28 of the elevating module 26, the side collision load can be handled.

  In a general vehicle side door, when the impact beam finishes buckling, the impact beam main body cannot take a side impact load. Further, if the large opening 20 is provided in the door inner panel 14, it is possible to reduce the weight by reducing the area of the door inner panel 14, and the workability in the assembly process is improved. Since the panel 14 cannot bear the side impact load, the side impact performance may be deteriorated. On the other hand, in the vehicle side door 10 of the present embodiment, even if the impact beam 22 is buckled, the upper and lower protrusions 24 of the impact beam 22 are engaged with the pair of front and rear claws 28 of the lifting module 26. As a result, it is possible to continuously handle the side impact load. That is, when the upper and lower protrusions 24 of the impact beam 22 are engaged with the pair of front and rear claw portions 28 of the lifting module 26, the side impact load is transferred from the impact beam 22 to the lifting module 26, and the door inner panel 14. It is transmitted to the body body via For this reason, the side collision performance can be improved even with the vehicle side door 10 in which the door inner panel 14 has the large opening 20.

  Further, the vehicle upper and lower projections 24 of the impact beam 22 are respectively engaged with the pair of front and rear claws 28 of the elevating module 26 to restrict the movement of the impact beam 22 in the vehicle vertical direction (restraint). can do. Further, when the impact beam 22 is pushed inward in the vehicle width direction, the vehicle upper and lower protrusions 24 are easily engaged with the pair of front and rear claws 28 of the elevating module 26 by hitting the inclined surface 28A of the claws 28. .

  Next, 2nd Embodiment of the vehicle side door which concerns on this invention is described using FIG. 4A and FIG. 4B. In addition, about the same component as 1st Embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 4A, a projection 42 (engaging portion) made of a plate-like piece extending in the vertical direction of the vehicle is provided at the middle portion in the longitudinal direction of the impact beam 40. A gap 44 is provided between the protrusion 42 and the claw portion 28 (engaged portion) on the vehicle front side of the elevating module 26. The gap 44 is provided along the longitudinal direction of the impact beam 40, and is provided in a direction in which the impact beam 40 slides when the vehicle collides. The impact beam 40 has a front end portion 22A and a rear end portion 22B in the longitudinal direction fixed (see FIG. 1), and when the middle portion in the longitudinal direction of the impact beam 40 is deformed inward in the vehicle width direction, the impact beam 40 Is easy to slide along the vehicle longitudinal direction. In the present embodiment, since the impact beam 40 slides toward the front side of the vehicle (in the direction of arrow A) at the time of a side collision of the vehicle, a gap 44 is formed between the protrusion 42 and the claw portion 28 on the front side of the vehicle in a side view of the vehicle. Is provided.

  The dimension of the gap 44 is adjusted so that the projection 42 of the impact beam 40 and the claw 28 on the front side of the vehicle engage with each other at a timing when a load is desired to be generated in the side collision of the vehicle.

  In the state shown in FIG. 4A, the impact beam 40 is disposed at a position farther outside in the vehicle width direction than the elevating module 26. However, when the vehicle collides, the impact beam 40 is moved as shown in FIG. 4B. It is pushed inward in the vehicle width direction and slides toward the vehicle front side (arrow A direction) so that the protrusion 42 and the claw portion 28 on the vehicle front side of the elevating module 26 are engaged.

  In the vehicle side door of the present embodiment, as shown in FIG. 4A, a gap 44 is provided between the projection 42 of the impact beam 40 and the claw 28 on the vehicle front side of the lifting module 26 in a side view of the vehicle. As shown in FIG. 4B, when the impact beam 40 is pushed inward in the vehicle width direction and slides toward the vehicle front side during a side collision of the vehicle, the protrusion 42 and the claw portion on the vehicle front side of the elevating module 26 are provided. 28 is engaged. As a result, the protrusion 42 and the claw portion 28 on the vehicle front side of the elevating module 26 are engaged with each other at a timing as intended in a side collision, and can handle the side collision load.

  Next, a third embodiment of the vehicle side door according to the present invention will be described with reference to FIGS. 5 and 6. In addition, about the same component as 1st and 2nd embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIGS. 5 and 6, in the vehicle side door 50, projections 52 </ b> A each formed of a plate-like piece are extended in the longitudinal middle portion of the impact beam 52 in the vertical direction of the vehicle. Circular holes 54 as engaging portions are provided on both sides in the vehicle front-rear direction. The side wall surface 26D on the outer side in the vehicle width direction of the elevating module 56 is an engaged portion that can be engaged with the hole portion 54 at the time of a side collision at a position facing the hole portion 54 of the impact beam 52 in a side view of the vehicle. Pin 58 is provided.

  When the impact beam 52 disposed inside the vehicle side door 50 is pushed inward in the width direction of the vehicle at the time of a side collision of the vehicle, as shown in FIG. The holes 54 on both sides in the vehicle front-rear direction provided in the portion 52A are engaged with the pins 58 of the elevating module 56, respectively. As a result, even after the impact beam 52 is deformed, the holes 54 of the impact beam 52 are engaged with the pins 58 of the elevating module 56, respectively, so that the side impact load can be continuously handled.

  Next, 4th Embodiment of the vehicle side door which concerns on this invention is described using FIG. 7A and FIG. 7B. In addition, about the same component as 1st-3rd embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 7A, rectangular holes 64 (engaging portions) that are long in the vehicle front-rear direction are provided on both sides of the protrusion 52A of the impact beam 62 in the vehicle front-rear direction. The direction in which the impact beam 62 slides between the wall surface on the vehicle rear side of the hole 64 and the pin 58 of the lifting module 56 in a side view of the vehicle (an arrow on the vehicle front side in this embodiment). A gap 66 is provided in each direction (A).

  The size of the gap 66 in the vehicle front-rear direction is adjusted so that the wall surface on the vehicle rear side of the hole 64 of the impact beam 62 and the pin 58 of the lifting module 56 are engaged with each other at the timing when a load is to be generated in the side collision of the vehicle. Has been.

  In the state shown in FIG. 7A, the impact beam 62 is disposed at a position farther outside in the vehicle width direction than the lifting module 56. However, when the vehicle collides, the impact beam 62 is It is pushed inward in the vehicle width direction and slides forward of the vehicle (in the direction of arrow A) so that the vehicle rear side wall surface of the hole 64 and the pin 58 of the elevating module 56 are engaged.

  In the vehicle side door of the present embodiment, as shown in FIG. 7A, a gap 66 is provided between the wall surface on the vehicle rear side of the hole 64 of the impact beam 62 and the pin 58 of the lifting module 56 in a side view of the vehicle. As shown in FIG. 7B, when the impact beam 62 is pushed inward in the vehicle width direction and slid toward the front side of the vehicle at the time of a side collision of the vehicle, the wall surface on the vehicle rear side of the hole 64 and the elevating module 56 are provided. The pin 58 engages. As a result, the wall surface on the vehicle rear side of the hole 64 of the impact beam 62 and the pin 58 of the elevating module 56 can be engaged with each other at the timing as intended in the side collision, and the side collision load can be handled.

  Next, a fifth embodiment of the vehicle side door according to the present invention will be described with reference to FIG. In addition, about the same component as 1st-4th embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 8, two rectangular parallelepiped projections 78 (engaged portions) are provided on the side wall surface 26 </ b> D on the outer side in the vehicle width direction of the elevating module 76 at positions separated in the vehicle vertical direction. The protrusion 78 is formed of a foam material such as foam resin.

  The impact beam 72 is formed with a stepped portion 74 (engagement portion) that can be engaged with the protrusion 78 of the elevating module 76 at the time of a side collision of the vehicle. The stepped portion 74 has an outer vertical wall portion 74A extending in the vehicle vertical direction from the main body portion of the impact beam 72, and a rear vertical wall portion 74B bent inward in the vehicle width direction from the vehicle rear end portion of the outer vertical wall portion 74A. A lateral wall portion 74C that is bent from the lower end portion of the rear vertical wall portion 74B to the vehicle rear side and bent from the edge of the impact beam 72 to the vehicle width direction inside, and an inner end portion of the rear vertical wall portion 74B. And an inner vertical wall portion 74D that is bent from the inner end of the rear vertical wall portion 74B to the vehicle upper side.

  When the impact beam 72 is pushed inward in the vehicle width direction at the time of a side collision of the vehicle, the outer vertical wall portion 74A and the rear vertical wall portion 74B of the stepped portion 74 provided on the upper and lower sides of the impact beam 72 are projected on the elevation module 76. 78, respectively. At that time, the impact beam 72 slides to the front side of the vehicle (in the direction of arrow A), so that the protrusion 78 made of the foam material is crushed and energy is absorbed. For this reason, the outer vertical wall portion 74A and the rear vertical wall portion 74B of the stepped portion 74 can be engaged with the protrusions 78 of the elevating module 76, thereby being able to handle the side impact load and accompanying the slide of the impact beam 72. It can also absorb energy at the time of side impact.

  In the third and fourth embodiments, the holes 54 and 64 are provided in the impact beam, and the pins 58 are provided in the elevating module. However, the present invention is not limited to this. They may be engaged with each other by providing a hole in the lifting module. Moreover, you may provide the recessed part which can be engaged with a protrusion instead of a hole.

  In the second and fourth embodiments, the engagement portion (protrusion portion, hole portion) and the engagement portion (claw, pin) are arranged on the vehicle front side in which the impact beam moves in a side collision in a side view of the vehicle. Although the gaps 44 and 66 are provided, when the impact beam moves to the rear side of the vehicle at the time of a side collision, an engaging portion (protrusion portion, hole portion) and an engaged portion (claw, pin) are provided on the rear side of the vehicle. It is preferable to provide a gap.

  In the fifth embodiment, the stepped portion 74 is provided on the impact beam and the projection 78 is provided on the lifting module. However, the present invention is not limited to this, and the reverse configuration (the projection is provided on the impact beam and the stepped portion is provided on the lifting module). The projections may be crushed and deformed while the two are engaged by the configuration provided. In the fifth embodiment, the protrusion 78 is formed of a foam material that can be crushed and deformed at the time of a side collision. However, the present invention is not limited to this. It is also possible to use a configuration that combines them.

DESCRIPTION OF SYMBOLS 10 Side door 16 for vehicles Window glass 22 Impact beam 24 Protrusion part (engagement part)
26 Lift module 28 Claw (engaged part)
40 Impact beam 42 Protruding part (engaging part)
44 gap
50 Side Door 52 for Vehicle 52 Impact Beam 54 Hole (engagement portion)
56 Elevating module 58 pin (engaged part)
62 Impact beam 64 Hole (engagement part)
66 gap
72 Impact beam 74 Step part (engagement part)
76 Elevating module 78 Protrusion (engaged part, foam material)

Claims (3)

An impact beam disposed along the vehicle longitudinal direction inside the vehicle side door body;
An elevating module disposed on the inner side in the vehicle width direction than the impact beam in the inside of the vehicle side door body, and elevating and lowering the window glass;
An engaging portion provided on the impact beam and engaged with an engaged portion provided on the elevating module by deformation of the impact beam at the time of a side collision;
A vehicle side door structure comprising:   The side door structure for a vehicle according to claim 1, wherein an interval is provided along a longitudinal direction of the impact beam between the engaging portion and the engaged portion in a side view of the vehicle.   The vehicle side door structure according to claim 1 or 2, wherein one of the engaged portion and the engaging portion is formed of a foam material.

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