JP2016074266A - Vehicle side part structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To transmit a side collision load input into a side part of a vehicle to an instrument panel reinforcement, in the vehicle in which the instrument panel reinforcement is offset to a vehicle fore-and-aft direction up to a position in which the instrument panel reinforcement does not oppose a pillar.SOLUTION: A vehicle side part structure S1 has: a side door 10 which is arranged at a side part of a vehicle, and has a door inner panel 14, a door outer panel 16 and a door trim 18; an instrument panel reinforcement 12 which extends to a vehicle width direction, is offset to a vehicle fore-and-aft direction up to a position in which the instrument panel reinforcement does oppose a pillar 20 of the vehicle in the vehicle width direction, and arranged inside the vehicle width direction of the side door 10; and a first load transmission member 21 and a second load transmission member 22 (load transmission members) which are arranged over the door inner panel 14 and the door trim 18 from a clearance between the door outer panel 16 and the door inner panel 14 of the side door 10, and oppose the instrument panel reinforcement 12 in the vehicle width direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a vehicle side part structure.

  A structure is disclosed in which a side impact load input to a side portion of a vehicle is received by a load transmission member (reinforcing member) in a side door and transmitted to an instrument panel reinforcement via a pillar (see Patent Document 1).

JP 2013-154784 A

  However, in order to transmit a side impact load as in the above-described conventional example, it is necessary that the load transmission member, the pillar, and the instrument panel reinforcement are sequentially arranged in the vehicle width direction. Therefore, the above-described conventional example does not correspond to a vehicle in which the instrument panel reinforcement is offset in the vehicle front-rear direction with respect to the front pillar.

  In consideration of the above facts, the present invention, in a vehicle in which the instrument panel reinforcement is offset in the vehicle longitudinal direction to a position where it does not face the pillar in the vehicle width direction, the side impact load input to the side portion of the vehicle from the side door. The purpose is to be able to communicate to instrument panel reinforcement.

  The vehicle side part structure according to claim 1 is provided on a side part of the vehicle, and is arranged on the vehicle outer side of the door inner panel and the door inner panel, and is a vehicle of the door outer panel and the door inner panel which are joined to the door inner panel. A side door with a door trim arranged on the inside, and extending in the vehicle width direction, offset in the vehicle front-rear direction to a position not facing the vehicle pillar in the vehicle width direction, and arranged on the inner side in the vehicle width direction of the side door Between the door inner panel and the door trim between the door inner panel and the door trim, and opposed to the instrument panel reinforcement in the vehicle width direction. And a load transmission member that performs.

  In this vehicle side part structure, the instrument panel reinforcement is offset in the vehicle front-rear direction to a position not facing the pillar in the vehicle width direction, while the load transmission member provided on the side door is connected to the instrument panel reinforcement in the vehicle width direction. Opposite direction. For this reason, the side impact load input to the side part of the vehicle can be transmitted from the side door to the instrument panel reinforcement.

  According to a second aspect of the present invention, in the vehicle side part structure according to the first aspect, as the load transmitting member, a first load transmitting member provided between the door outer panel and the door inner panel, the door inner panel, A second load transmission member provided at a position overlapping the first load transmission member in the vehicle width direction between the door trim and a position opposed to the instrument panel reinforcement in the vehicle width direction; ing.

  In this vehicle side part structure, the side impact load input to the side part of the vehicle is transmitted from the door outer panel to the door inner panel via the first load transmission member, and further to the door inner panel via the second load transmission member. To instrument panel reinforcement. Since the load transmitting member includes the first load transmitting member and the second load transmitting member, the degree of design freedom can be increased.

  According to a third aspect of the present invention, in the vehicle side part structure according to the first or second aspect, the load transmitting member is attached to the door inner panel.

  In this vehicle side part structure, the load transmission member is attached to the door inner panel, and it is not necessary to attach the load transmission member to the door outer panel or the door trim. For this reason, while improving the workability | operativity at the time of manufacture of a side door, the external appearance of a side door can be maintained favorable.

  As described above, according to the vehicle side portion structure of the first aspect, in the vehicle in which the instrument panel reinforcement is offset in the vehicle front-rear direction to a position not facing the pillar in the vehicle width direction, the input to the side portion of the vehicle is performed. An excellent effect is obtained in that the generated side impact load can be transmitted from the side door to the instrument panel reinforcement.

  According to the vehicle side part structure of the second aspect, an excellent effect is obtained that the degree of freedom in design can be increased.

  According to the vehicle side part structure of the third aspect, it is possible to obtain an excellent effect that the workability at the time of manufacturing the side door can be improved and the appearance of the side door can be favorably maintained.

It is a cross-sectional view which shows the vehicle side part structure which concerns on 1st Embodiment. It is a cross-sectional view which shows the vehicle side part structure which concerns on 2nd Embodiment. It is a cross-sectional view which shows the vehicle side part structure which concerns on 3rd Embodiment. It is a cross-sectional view which shows the vehicle side part structure which concerns on 4th Embodiment.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

[First Embodiment]
In FIG. 1, the vehicle side part structure S <b> 1 according to the present embodiment includes a side door 10, an instrument panel reinforcement 12, and a first load transmission member 21 and a second load transmission member 22 which are examples of load transmission members. ing.

  The side door 10 is provided on the side of the vehicle, and is disposed on the vehicle inner side of the door inner panel 14, the door outer panel 16 disposed on the vehicle outer side of the door inner panel 14, and joined to the door inner panel 14. And a disposed door trim 18. The door outer panel 16 is a member constituting a door outer plate. The door trim 18 is a resin interior material, for example, and is attached to the door inner panel 14. A gap 26 is formed between the door trim 18 and the door inner panel 14.

  The door inner panel 14 includes a general portion 14A, a front vertical wall portion 14B, a front flange portion 14C, and a front terminal portion 14D. The general portion 14A is an indoor vertical wall extending along the vehicle longitudinal direction and the vehicle vertical direction. A gap 24 is formed between the general portion 14 </ b> A and the door outer panel 16. The front vertical wall portion 14B is bent from the front end portion of the general portion 14A to the outside in the vehicle width direction. The front flange portion 14C is bent from the end on the vehicle width direction outer side of the front vertical wall portion 14B to the vehicle front side. The front terminal portion 14D is formed at the tip of the front flange portion 14C. The terminal part of the door outer panel 16 is fixed to the front terminal part 14D by hemming. Note that the rear end portion side of the general portion 14A is configured similarly to the front end portion side. For example, a fender panel 19 is provided on the vehicle outer side of the door outer panel 16.

  The instrument panel reinforcement 12 extends in the vehicle width direction, is offset to the vehicle front-rear direction, for example, the vehicle rear side, to a position not facing the vehicle pillar 20 in the vehicle width direction, and is disposed on the inner side in the vehicle width direction of the side door 10. . The instrument panel reinforcement 12 is, for example, a metal pipe, and both end portions 12A are supported by using mounting brackets 28 described later.

  Here, the pillar 20 is a part of the vehicle skeleton, and extends in the vehicle vertical direction, for example, in the vicinity of the front end of the side door 10. The pillar 20 is configured in a closed cross-section by joining an outer panel 30, an inner panel 32, and a reinforcement 34. The outer panel 30 and the reinforcement 34 are formed in a cross-sectional hat shape that protrudes outward in the vehicle width direction. The inner panel 32 is formed in a hat shape in cross section that protrudes inward in the vehicle width direction.

  A mounting bracket 38 is joined to the inner panel 32 on the inner side in the vehicle width direction. The mounting bracket 38 has a front wall portion 38A, a lateral wall portion 38B, a rear wall portion 38C, and an upper wall portion and a lower wall portion (not shown). An end 38D on the outer side in the vehicle width direction of the front wall 38A is bent toward the vehicle front side and joined to the inner panel 32. The lateral wall portion 38B extends to a position on the vehicle rear side with respect to the pillar 20. The rear wall portion 38C is bent from the rear end of the lateral wall portion 38B to the outside in the vehicle width direction and terminates at a position spaced from the door trim 18 in the vehicle width direction. A nut 36 is welded to the front surface of the rear wall portion 38C. Note that the end portions of the upper wall portion and the lower wall portion (not shown) are also joined to the inner panel 32.

  The instrument panel reinforcement 12 and the mounting bracket 28 are fastened to the rear surface of the rear wall portion 38 </ b> C using bolts 40 and nuts 36. The mounting bracket 28 has a front wall portion 28A and a side wall portion 28B. The front wall portion 28A is a portion that is fastened and fixed to the rear surface of the rear wall portion 38C of the mounting bracket 38. A through-hole (not shown) for passing the bolt 40 is formed in the rear wall portion 38 </ b> C of the mounting bracket 38 and the front wall portion 28 </ b> A of the mounting bracket 28.

  A through hole 28 </ b> C through which the instrument panel reinforcement 12 is passed is formed in the side wall 28 </ b> B of the mounting bracket 28. Both end portions 12A of the instrument panel reinforcement 12 passed through the through hole 28C are fastened and fixed to the rear wall portion 38C of the mounting bracket 38 using the mounting member 41. That is, the instrument panel reinforcement 12 and the mounting bracket 28 are fastened and fixed to the rear wall portion 38 </ b> C of the mounting bracket 38 using the mounting member 41, the bolt 40, and the nut 36. The end surface 12B of the instrument panel reinforcement 12 is in close proximity to the door trim 18.

  The load transmitting members (the first load transmitting member 21 and the second load transmitting member 22) are provided from between the door outer panel 16 and the door inner panel 14 in the side door 10 to between the door inner panel 14 and the door trim 18. ing. Among these, the second load transmission member 22 is opposed to the instrument panel reinforcement 12 in the vehicle width direction. Since the door trim 18 exists between the second load transmission member 22 and the end surface 12B of the instrument panel reinforcement 12, the second load transmission member 22 is connected to the end surface 12B of the instrument panel reinforcement 12 via the door trim 18. Opposite.

  The first load transmission member 21 is provided in the gap 24 between the door outer panel 16 and the door inner panel 14. The first load transmitting member 21 is a metal member formed, for example, in a hat shape in cross section, and has a front wall portion 21A, a side wall portion 21B, and a rear wall portion 21C. An end 21D on the inner side in the vehicle width direction of the front wall portion 21A is bent to the vehicle front side and fixed to the door inner panel 14. An end 21 </ b> E on the inner side in the vehicle width direction of the rear wall 21 </ b> C is bent to the vehicle rear side and fixed to the door inner panel 14. Thereby, the 1st load transmission member 21 and the door inner panel 14 are made into the closed cross-section structure. The side wall portion 21 </ b> B is in close proximity to the door outer panel 16. This is to suppress the generation of noise due to the contact between the side wall portion 21B and the door outer panel 16. The first load transmission member 21 and the load transmission member 22 are attached to the door inner panel 14 by means such as welding, fastening, and adhesion.

  The second load transmission member 22 is provided between the door inner panel 14 and the door trim 18 at a position overlapping the first load transmission member 21 in the vehicle width direction, and is opposed to the instrument panel reinforcement 12 in the vehicle width direction. Provided in position. The second load transmission member 22 is provided in a gap 26 between the door inner panel 14 and the door trim 18.

  The second load transmission member 22 is a metal member formed in a hat shape, for example, and has a front wall portion 22A, a side wall portion 22B, and a rear wall portion 22C. An end 22D on the outer side in the vehicle width direction of the front wall portion 22A is bent to the front side of the vehicle and fixed to the general portion 14A of the door inner panel 14. An end 22E on the outer side in the vehicle width direction of the rear wall portion 22C is bent to the vehicle rear side and fixed to the general portion 14A of the door inner panel 14. Thereby, the 2nd load transmission member 22 and the door inner panel 14 are made into the closed cross-section structure. Note that the side wall portion 22B of the second load transmitting member 22 may or may not be in contact with the outer surface of the door trim 18 in the vehicle width direction.

  The first load transmission member 21 and the second load transmission member 22 are at least partially overlapped in the vehicle width direction in a vehicle side view. In the illustrated example, a part of the rear wall portion 21C, the end portion 21E, and the side wall portion 21B of the first load transmitting member 21 is a part of the front wall portion 22A, the end portion 22D, and the side wall portion 22B of the second load transmitting member 22. And the vehicle width direction. Moreover, in the example of illustration, the side wall part 22B and the instrument panel reinforcement 12 of the 2nd load transmission member 22 have overlapped with the vehicle width direction entirely in the vehicle side view. It is desirable that the second load transmission member 22 and the instrument panel reinforcement 12 overlap in the vehicle width direction as wide as possible. This is to increase load transmission efficiency.

(Function)
This embodiment is configured as described above, and the operation thereof will be described below. In FIG. 1, in the vehicle side part structure S1 according to the present embodiment, the instrument panel reinforcement 12 is offset in the vehicle front-rear direction to a position not facing the pillar 20 in the vehicle width direction. On the other hand, load transmission members (first load transmission member 21 and second load transmission member 22) provided on the side door 10 face the instrument panel reinforcement 12 via the door trim 18 in the vehicle width direction.

  In a normal state, the side wall portion 21B of the first load transmission member 21 is in close proximity to the door outer panel 16, and the end surface 12B of the instrument panel reinforcement 12 is in contact with the door trim 18 at the portion where the second load transmission member 22 is located. Closely opposed. In the event of a side collision, the side door 10 is deformed, so that the door outer panel 16 quickly comes into contact with the first load transmission member 21, and the door trim 18 at the portion where the second load transmission member 22 is further located is instrument panel reinforcement. It quickly abuts against the end face 12B of the ment 12.

  The side impact load F input to the side of the vehicle at the time of a side collision is transferred from the door outer panel 16 to the instrument panel reinforcement 12 through the first load transmission member 21, the door inner panel 14, the second load transmission member 22, and the door trim 18. It is transmitted in the direction of arrow A. For this reason, the side impact load F input to the side part of the vehicle can be transmitted from the side door 10 to the instrument panel reinforcement 12 in the arrow A direction. With a simple configuration in which the first load transmission member 21 and the second load transmission member 22 are used, deformation of the passenger compartment can be suppressed while suppressing an increase in the mass of the vehicle skeleton.

  The first load transmission member 21 and the second load transmission member 22 are both attached to the door inner panel 14, and the first load transmission member 21 and the second load transmission member 22 are attached to the door outer panel 16 and the door trim 18. There is no need. For this reason, while improving the workability | operativity at the time of manufacture of the side door 10, the external appearance of the side door 10 can be maintained favorable.

  Furthermore, since the first load transmitting member 21 and the second load transmitting member 22 are provided as load transmitting members, the respective deformation characteristics and materials can be appropriately set. For this reason, the freedom degree of design can be raised.

[Second Embodiment]
In FIG. 2, in the vehicle side part structure S <b> 2 according to the present embodiment, a second load transmission member 42 which is an example of a load transmission member is a resin member. The 2nd load transmission member 42 is constituted, for example in the shape of a block, and is being fixed to means 14A of door inner panel 14 by means, such as fastening and adhesion.

  The first load transmitting member 21 and the second load transmitting member 42 are at least partially overlapped in the vehicle width direction when viewed from the side of the vehicle. In the illustrated example, the rear wall portion 21C, the end portion 21E, and the side wall portion 21B of the first load transmission member 21 partially overlap the front portion of the second load transmission member 22 in the vehicle width direction. Further, in the illustrated example, the inner side surface 42B of the second load transmitting member 42 and the instrument panel reinforcement 12 are entirely overlapped in the vehicle width direction in a vehicle side view. It is desirable that the second load transmission member 42 and the instrument panel reinforcement 12 overlap in the vehicle width direction as wide as possible. This is to increase load transmission efficiency.

  The second load transmission member 42 may be solid, or may have a structure having a plurality of walls and pillars extending in the vehicle width direction. Further, the second load transmission member 42 may be one in which a resin member is integrated with a metal attachment member (not shown). By using a metal attachment member, fastening to the door inner panel 14 and the like are facilitated.

  In the vehicle side part structure S2 according to the present embodiment, since the second load transmission member 42 is a resin member, the weight can be reduced as compared with the metal second load transmission member 22 in the first embodiment.

  Since other parts are the same as those in the first embodiment, the same parts are denoted by the same reference numerals in the drawings, and the description thereof is omitted.

[Third Embodiment]
In FIG. 3, in the vehicle side part structure S3 according to the present embodiment, the positions of the first load transmission member 21 and the second load transmission member 22 substantially coincide in the vehicle front-rear direction, and the first load transmission member 21, The second load transmission member 22 and the instrument panel reinforcement 12 are arranged in series in the vehicle width direction.

  A through hole 14E is formed in the door inner panel 14. The front wall portion 21A, the side wall portion 21B, and the rear wall portion 21C of the first load transmitting member 21 are inserted into the through hole 14E from the inside in the vehicle width direction, and the end portions 21D and 21E are the general portion 14A of the door inner panel 14. Is in contact with the inner side surface in the vehicle width direction. The end portions 22D and 22E of the second load transmission member 22 are respectively overlapped with 21D and 21E of the first load transmission member 21, and are fastened and fixed together to the general portion 14A of the door inner panel 14 using bolts 44 and nuts 46. Has been. Thereby, the 1st load transmission member 21 and the 2nd load transmission member 22 are made into the closed section structure. Note that the first load transmission member 21 and the second load transmission member 22 may be integrated in advance.

  In the vehicle side part structure S3 according to the present embodiment, since the first load transmission member 21 and the second load transmission member 22 are fastened together with the door inner panel 14, the first load transmission member 21 and the second load transmission The workability at the time of manufacture is better than when the members 22 are separately fixed to the door inner panel 14.

  In addition, since the first load transmission member 21 is inserted into the through hole 14E of the door inner panel 14 from the inner side in the vehicle width direction, the first load transmission member 21 is provided even after the door inner panel 14 and the door outer panel 16 are joined. The member 21 and the second load transmission member 22 can be attached to the door inner panel 14.

  Furthermore, since the first load transmission member 21, the second load transmission member 22, and the instrument panel reinforcement 12 are arranged in series in the vehicle width direction, the side impact load F is transmitted from the side door 10 to the instrument panel reinforcement 12. High efficiency.

  Since other parts are the same as those in the first embodiment, the same parts are denoted by the same reference numerals in the drawings, and the description thereof is omitted.

[Fourth Embodiment]
In FIG. 4, in the vehicle side part structure S <b> 4 according to the present embodiment, the load transmission member 50 is a resin member and is provided between the door inner panel 14 and the door trim 18. The load transmission member 50 is configured in a block shape, for example, and is arranged in series in the vehicle width direction with respect to the instrument panel reinforcement 12.

  The load transmitting member 50 has flange portions 50D and 50E on both sides in the vehicle front-rear direction. The load transmitting member 50 is inserted into the through hole 14E of the door inner panel 14 from the inside in the vehicle width direction, and the flange portions 50D and 50E are in contact with the inner side surface of the general portion 14A of the door inner panel 14 in the vehicle width direction. The flange portions 50 </ b> D and 50 </ b> E are fastened and fixed to the general portion 14 </ b> A of the door inner panel 14 using bolts 44 and nuts 46.

  The side wall portion 50A on the outer side in the vehicle width direction of the load transmitting member 50 is in close proximity to the door outer panel 16. The side wall portion 50B on the inner side in the vehicle width direction of the load transmitting member 50 may or may not be in contact with the outer side surface of the door trim 18 in the vehicle width direction.

  In the vehicle side part structure S4 according to the present embodiment, since the load transmission member 50 is a resin member, it is possible to reduce the weight as compared with the case where it is made of metal. Further, since the load transmission member 50 is inserted into the through hole 14E of the door inner panel 14 from the inner side in the vehicle width direction, the load transmission member 50 is connected to the door even after the door inner panel 14 and the door outer panel 16 are joined. It can be attached to the inner panel 14.

  Further, in the event of a side collision, the side door 10 is deformed, so that the door outer panel 16 quickly comes into contact with the side wall portion 50A of the load transmitting member 50, and the door trim 18 at the portion where the side wall portion 50B is located It abuts quickly on the end surface 12B of the reinforcement 12. The side impact load F input to the side portion of the vehicle at the time of a side collision is transmitted from the door outer panel 16 to the instrument panel reinforcement 12 in the direction of arrow A through the load transmitting member 50 and the door trim 18.

  Since the load transmission member 50 and the instrument panel reinforcement 12 are arranged in series in the vehicle width direction, the transmission efficiency of the side impact load F from the side door 10 to the instrument panel reinforcement 12 is high.

  The load transmission member 50 may be solid or may have a structure having a plurality of wall portions and column portions extending in the vehicle width direction. In this case, the load transmission member 50 can be further reduced in weight. Furthermore, a part of the load transmitting member 50, for example, a portion corresponding to the flange portions 50D and 50E may be configured with a metal member (not shown). In this case, the attachment rigidity to the door inner panel 14 can be increased.

  Since other parts are the same as those in the first embodiment or the third embodiment, the same parts are denoted by the same reference numerals and the description thereof is omitted.

[Other Embodiments]
As mentioned above, although an example of embodiment of this invention was demonstrated, embodiment of this invention is not limited above, In addition to the above, in a range which does not deviate from the main point, it can implement variously. Of course there is.

  The instrument panel reinforcement 12 is offset to the vehicle rear side of the pillar 20. However, depending on the positional relationship between the pillar 20 and the side door 10, the instrument panel reinforcement 12 may be offset to the vehicle front side of the pillar 20.

  Although the load transmission members (the first load transmission member 21, the second load transmission members 22, 42, and the load transmission member 50) are attached to the door inner panel 14, they are attached to other parts of the side door 10. It may be a structure.

  The length of the first load transmission member 21 in the vehicle vertical direction is not particularly limited, and may be, for example, a long shape in the vehicle vertical direction. Further, the first load transmission member 21 may overlap an impact beam (not shown) provided in the side door 10 in the vehicle width direction.

  The load transmission members (the first load transmission member 21, the second load transmission members 22, 42, and the load transmission member 50) are arranged between the door inner panel 14 and the door trim from the middle of the door outer panel 16 and the door inner panel 14 in the side door 10. 18 may be provided in the middle. Therefore, the load transmission members (the first load transmission member 21 and the load transmission member 50) may be further away from the door outer panel 16. Further, the second load transmission members 22 and 42 and the load transmission member 50 may be separated from the door trim 18.

DESCRIPTION OF SYMBOLS 10 Side door 12 Instrument panel reinforcement 14 Door inner panel 16 Door outer panel 18 Door trim 20 Pillar 21 1st load transmission member (load transmission member)
22 Second load transmission member (load transmission member)
42 Second load transmission member (load transmission member)
50 Load transmission member S1 Vehicle side part structure S2 Vehicle side part structure S3 Vehicle side part structure S4 Vehicle side part structure

Claims (3)

A side provided with a door inner panel, a door outer panel disposed on the vehicle outer side of the door inner panel and joined to the door inner panel, and a door trim disposed on the vehicle inner side of the door inner panel. Door,
An instrument panel reinforcement that extends in the vehicle width direction and is offset in the vehicle front-rear direction to a position that does not oppose the vehicle pillar in the vehicle width direction;
A load transmission member provided between the door outer panel and the door inner panel in the side door, between the door inner panel and the door trim, and facing the instrument panel reinforcement in the vehicle width direction;
A vehicle side part structure. As the load transmission member,
A first load transmission member provided between the door outer panel and the door inner panel;
A second load transmission provided between the door inner panel and the door trim at a position overlapping the first load transmission member in the vehicle width direction and at a position facing the instrument panel reinforcement in the vehicle width direction. The vehicle side part structure of Claim 1 which has a member.   The vehicle side part structure according to claim 1, wherein the load transmission member is attached to the door inner panel.

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