JP4725372B2 - Car side structure - Google Patents

Description

  The present invention relates to a side part structure of an automobile that relaxes an influence on an occupant by displacing a door trim of a side door at the time of a side collision.

As a conventional vehicle body structure, in Patent Document 1, an impact absorbing material is attached to an impact bar in a front side door, and the impact absorbing material moves to the vehicle interior side at the time of a side collision, and an opening formed in a door inner panel is provided. A structure that pushes the door trim to the inside of the vehicle is described.
Japanese Patent Laid-Open No. 06-191275

In the conventional structure described above, the impact absorbing material is elastically brought into contact with the occupant through the door trim at the time of a side collision, so that the impact applied to the occupant is alleviated. Go inside, because those moves inside the vehicle compartment through an opening in the door inner panel to further push the final door trim, large amount of movement until the support is brought into contact with the door trim to the occupant, the time Therefore, there is room for improvement in this respect.

  Further, as a conventional structure, as shown in FIG. 7A, there is a structure in which an impact absorbing material 102 is disposed in the vicinity of the occupant's waist in the front side door 101. However, in this structure, since the shock absorbing material 102 is disposed below the armrest portion 103, there is an inconvenience that the volume of the door pocket 104 must be reduced by an amount corresponding to the arrangement space.

This invention has been made in view of such problems, and its object is provide a vehicle side structure capable of supporting the occupant's waist by the door trim lower when a side collision moves to the cabin internal the it is an object of the present invention.

A side part structure of an automobile according to the present invention covers an outer panel and an inner panel, a window glass that moves up and down between them, an impact bar disposed between the window glass and the outer panel, and a vehicle interior side of the inner panel. A side part structure of an automobile including a side door having a door trim attached to the vehicle body and a seat arranged in the vehicle interior so as to overlap the side door in a side view of the vehicle body, coupled to said impact bar extends inside the vehicle from the one end in such a way as to wrap around the lower part of the lowermost end of the fully opened position of the window glass, as the other end of the interior side facing the vehicle outside of the door trim rises the impact transmission member is provided, wherein the inner panel is overlapping with the impact transmission member when the body is viewed from the side bulges inside the vehicle, the In which storage portion for storing撃伝our member is formed.

According to the above configuration , the impact transmission member moves the door trim to the vehicle interior side at the same time as the impact bar is deformed toward the vehicle interior side at the time of a side collision, so that the shock absorber is the door inner like the conventional shock absorber. Without waiting for the door trim to be pushed out by moving through the opening of the panel, the door trim can be moved and brought into contact with the occupant's waist to be supported.

Further, since the impact transmission member extends downward from the one end portion on the outside of the vehicle so as to avoid interference with the lowermost end portion of the window glass, the lifting operation of the window glass is not hindered. Further, since the impact transmission member absorbs part of the impact, the occupant can be supported via the door trim while mitigating the impact at the time of a side collision.

Moreover , in the inner panel, a portion that overlaps with the impact transmission member in a side view of the vehicle body bulges toward the inside of the vehicle and forms an accommodation portion that accommodates the impact transmission member. While it is desirable that the vehicle interior portion of the above-described impact transmission member be close to the vehicle interior, it is necessary to ensure a sealing property so that water droplets and the like do not enter the vehicle interior from the inner panel. Therefore, a portion corresponding to the vehicle inner side portion of the inner surface of the impact transmission member is bulged to the inner side of the vehicle to form an accommodating portion for accommodating the impact transmission member, thereby satisfying these requirements.

According to another embodiment of the present invention, the inner panel is made of resin door module plates are configured to bind to a panel frame portion made of metal, which the receiving portion is formed on the door module plate It is . According to this structure , since a door module can be resin-molded, the freedom degree at the time of shape | molding the accommodating part of an impact transmission member can be expanded.

In one embodiment of the invention, the other end of the interior side of the impact transmission member is one that is disposed in a position overlapping with the door pockets and a side view of the vehicle body that is provided under the door trim. According to this configuration, through the door pocket close to the occupant's waist can exhibit the support effect of the occupant, in addition, to support the occupant while absorbing the impact of a side collision by the deformation of the door pocket.

  According to the present invention, the lower portion of the door trim moves to the vehicle interior side at the time of a side collision, thereby supporting the occupant's waist and reducing the influence on the occupant.

An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Incidentally, the embodiments described below are examples as implementation means of the present invention, the present invention may also modify the following embodiments within a scope not departing from the gist is Ru applicable der to a modification.

[First Embodiment]
Figure 1 is a vehicle side structure of the first embodiment according to the present invention, is a side view seen from the vehicle width direction indicated by perspective front side door interior and passenger compartment. Figure 2 is a cross-sectional view of the front side door interior and passenger compartment from the front of the vehicle body as a vehicle side structure of the first embodiment. FIG. 3 is a cross-sectional view showing a detailed configuration inside the front side door. FIG. 4 is a cross-sectional view showing a behavior change at the time of a side collision by the front side door provided with the impact transmission member of the present embodiment.

As shown in FIGS. 1 to 4, the vehicle body side portion, each of the vehicle body front side and the rear side across the sensor Tapi Ra 3, the front opening 1F so as to communicate the vehicle interior outside and A rear opening 1R is formed.

The front opening. 1F, leading edge front pillar 2, a rear edge sensor Tapi color 3, the upper edge is roof side rail 4, the lower edge is defined by the side sill 5. Further, the rear opening 1R, the front edge sensor Tapi color 3, trailing edge rear pillar (not shown), the upper edges roof side rail 4, the lower edge is defined by the side sill 5. In addition, there is also a vehicle body structure is not Sen Tapi error.

The front edge of the front opening 1F, are joined front end portions of the front rhino de door 6 as the side door via a hinge so as substantially to open and close the horizontally pivoted the front opening 1F.

The side sill 5 extends in the longitudinal direction of the vehicle body along the side edge in the vehicle width direction of the floor panel 7 constituting the floor surface in the vehicle interior.

The surface of the side sill 5 is covered with a cover member 5d and scuff plate 8 to be protected from such rubbing by the occupant of the sole during getting on and off. Cover member 5d and scuff plate 8 is attached to the surface of the side sill 5 by a clip or the like.

Further, the roof side rail 4 extends in the longitudinal direction of the vehicle body along the side edge portion of the roof panel 9 constituting the ceiling portion in the vehicle interior. Further, the sensor Tapi Ra 3 seatbelt 10 and the belt winding mechanism (not shown) is disposed.

Roof side rail 4, by joining the flange portion of each side edge of the outer panel and an inner panel made of steel constitutes a closed-section member secured to desired strength.

Side sill 5 is configured outer panel 5a comprising a steel material, the inner panel 5b and the panels 5a, by joining the upper and lower flange portions of the reinforcing steel 5c disposed between 5b the closed-section member secured to desired strength is doing.

The vehicle interior side surface of the floor panel 7, cloth floor mat 11 with a sound insulation effect is paved. Further, the vehicle interior side surface of the roof panel 9 is covered with a resin top sealing 12 having a soundproofing effect.

Also, on the floor panel 7 is in the closed state of the front side door 6 close to the vehicle interior side of the front side door 6 (door trim), viewed from the vehicle width direction (when the body is viewed from the side) front side door 6 The front seat 13 is arranged at a position overlapping with the front seat 13.

  The front seat 13 includes a seat rail 15 attached to a seat mount 14 that protrudes from the floor panel 7, a seat cushion 16 that is slidably held on the seat rail 15 by a slide lever 16 a and on which an occupant H is seated, The backrest 17 is pivotally supported at the rear end of the seat cushion 16 by the reclining lever 17a so as to be tiltable (reclinable) in the longitudinal direction of the vehicle body, and the headrest 18 is disposed at the upper end of the backrest 17.

Side structure for an automobile of this embodiment is configured substantially symmetrically about the central portion L in the vehicle width direction of the floor panel 7, the front seat 13 is distribution of the driver seat and the passenger seat next to each other Established.

In front of the front seat 13 in the passenger compartment, an instrument panel 19 and a steering handle 20 on which instruments and switches are arranged, and pedals 21 are arranged on the feet.

<Door internal structure>
As shown in FIG. 3 , the front side door 6 includes an outer panel 31 positioned on the outermost side in the vehicle width direction, an inner panel 32 positioned on the vehicle interior side with respect to the outer panel 31, and the vehicle interior side of the inner panel 32. And a door trim 33 for covering.

The outer panel 31 and inner panel 32 is made of steel plate, beauty lower edge Oyo side edges of each other so as to form a space between the panels 31, 32 are joined by welding or the like, the upper edge portion A slit-shaped opening is formed so that the door glass 25 can be moved up and down.

The vehicle interior side surface of the outer panel 31, the reinforcing steel 34 extending in the vehicle longitudinal direction at a substantially central area in the vertical direction are joined by welding or the like, in addition, the impact bars below the steel reinforced material 34 extending in the longitudinal direction of the vehicle body 35 is joined by welding or the like. The impact bar 35 has a function of receiving an impact applied to the front side door 6 at the time of a side collision with the reinforcing steel material 34.

  The outer panel 31 is provided with a door outer handle 36 for opening and closing the front side door 6 from the outside of the vehicle.

The inner panel 32 has its upper end portion 32a and lower portion 32b is constituted by a steel material having a predetermined strength, bolts or the like made of resin panel member 32c these upper portion 32a and lower portion 32b as the outer frame portion It is comprised as what is called a door module connected by.

The upper portion 32a and lower portion 32b and the panel member 32c of the inner panel 32, are connected in a state in which water drops are sealed so as not to penetrate into the passenger compartment side of the inner panel 32.

The inner panel 32 may be entirely made of steel. However, if the inner panel 32 is configured as a door module, only the shape of the panel member 32c is determined according to the layout of the parts disposed between the inner panel 32 and the door trim 33. There is an advantage that it can be molded.

The door trim 33 is made of resin and constitutes a part of the interior material in the passenger compartment. Outer panel 31 (see FIG. 1) the window regulator 26 for raising and lowering the door glass 25 and the door glass 25 in the space between the inner panel 32 and the like are disposed.

  A door inner handle 27 that opens and closes the front side door 6 from the inside of the vehicle, a door lock (not shown), and an armrest portion 33a are provided on the interior surface of the door trim 33.

The armrest portion 33a extends in the longitudinal direction of the vehicle body in the vicinity of the approximate center in the vertical direction of the door trim 33 so as to bulge toward the vehicle interior side. In addition, the downward after the arm rest 33a of the door trim 33 Door pocket 33b to form a space for accommodating bulges into the passenger compartment side. In addition, in front of the door pocket 33b circular speaker grille 33c for attaching the speaker to the door trim 33 is provided.

A shock absorbing material 38 made of styrene foam is attached to the outer surface of the door trim 33 (the interior of the inner panel 32) from the upper end of the door trim 33 inside the front side door 6 to the vicinity of the middle stage. The impact absorbing member 38 is elastically brought into contact with the vicinity of the occupant's shoulder through the door trim 33 at the time of a side collision, and mitigates the impact applied to the occupant when the front side door 6 is displaced toward the passenger compartment. Incidentally, shock absorber 38, in addition to the exterior surface of the door trim 33 may be configured to provided to the vehicle exterior side of the inner panel 32 so as to sandwich the inner panel 32.

An impact transmission member 37 extending from the impact bar 35 of the outer panel 31 to the inner panel 32 is disposed inside the front side door 6. Impact transmission member 37 includes a vehicle exterior side of the one end portion 37a which is joined by welding or the like impact bar 35, extends from the one end portion 37a downward, the lowermost end portion 25a at the fully opened position of the door glass 25 (see FIG. 3) A curved portion 37c that is curved so as to wrap around the lower side of the vehicle and extends to the vehicle inner side, and a vehicle inner side other end portion 37b that rises from the curved portion 37c to face the vehicle outer surface of the door trim 33. It has a substantially U-shape when viewed. The impact transmission member 37 is made of a steel plate, and is provided with at least one (in this embodiment, two adjacent to the vehicle body longitudinal direction).

  The panel member 32c of the inner panel 32 has a portion that overlaps with the impact transmission member 37 when viewed from the vehicle width direction and bulges toward the inside of the vehicle to form a housing portion 32d that houses the other end portion 37b of the impact transmission member 37. . The other end portion 37 b of the impact transmission member 37 is disposed at a position overlapping the door pocket 33 b provided below the door trim 33 when viewed from the vehicle width direction.

Incidentally, water drops entering from the slit-shaped opening formed in the upper edge of the front side door 6, each of the exterior and interior side of the door glass 25 in the space between the outer panel 31 and inner panel 32 It falls downward along the surface and is discharged to the outside through a drain hole 39 formed at the lower edge of the front side door 6. Drain hole 39 is formed in the vicinity of the joint portion of the lower edge of the outer panel 31 and inner panel 32.

Figure 4 shows the change in the behavior of a side collision by the front side door 6 having a impact transmission member 37 of this embodiment, the outer panel 31 and the impact bar toward the vehicle compartment side by the impact of a side collision 35 is deformed, and along with this deformation, the impact transmission member 37 moves the door trim 33 (particularly below the armrest portion 33a) to the vehicle interior side. As a result, the impact bar 35 is deformed, and at the same time, the door trim 33 can be moved and brought into contact with the waist of the occupant via the impact transmission member 37 to be supported.

Further, the impact transmission member 37 extends in the vehicle side to the lower side so as to avoid interference with the lowermost end 25a of the door glass 25 from one end 37a of the exterior. For this reason, the raising / lowering operation | movement of the door glass 25 is not inhibited. Further, since the impact transmission member 37 also absorbs part of the impact, the occupant can be supported through the door trim 33 while mitigating the impact at the time of a side collision.

Furthermore , while it is desirable that the other end portion 37b of the impact transmission member 37 (a standing portion on the inner side of the vehicle) is close to the vehicle interior, a sealing property is ensured so that water droplets or the like do not enter the inner side of the vehicle from the inner panel 32. is required. Therefore, by forming a panel member 32c corresponding to a standing portion of the inner panel 32 on the inner side of the shock transmission member 37 to the inner side of the vehicle, and forming an accommodating portion 32d for accommodating the shock transmission member 37, It is possible to satisfy these requirements.

Further, since the inner panel 32 is configured as a door module, only the panel member 32c can be molded with resin, so that the degree of freedom in molding the housing portion 32d of the impact transmission member 37 can be increased.

In addition, it is a Turkey to support the occupant through the door pocket 33b close to the occupant's waist. In addition, to support the occupant while absorbing the impact of a side collision by the deformation of the door pocket 33b.

  Further, as shown in FIG. 7B, the other end portion 37b of the impact transmission member 37 is disposed at a position overlapping with the door pocket 33b below the door trim 33 in a side view of the vehicle body. ), The volume of the door pocket 33b is not reduced.

[ Reference example ]
Figure 5 is a fragmentary cross-sectional view showing a reference example of opposition撃伝our member.

As described above, it is desirable that the other end portion 37b (the standing portion on the vehicle inner side) of the impact transmission member 37 is close to the vehicle interior. Therefore, as shown in FIG. 5, the impact transmission member 37 wraparound below the lowermost end 25a of the door glass 25, a further, until the door trim 33 in the vicinity of the door pocket 33b through the inner panel 32 (panel member 32c) It is extended. Here, since it is necessary to ensure a sealing property so that water droplets or the like do not enter the vehicle interior from the inner panel 32, rubber or rubber is provided at a location where the impact transmission member 37 penetrates the inner panel 32 (panel member 32c). The seal member 42 made of is attached.

  Since other configurations are the same as those in the first embodiment, description thereof will be omitted.

[Modification]
FIG. 6 is a cross-sectional view of a main part showing an impact transmission member of a modification of the first embodiment.

In the modification shown in FIG. 6, the vehicle exterior side of the other end portion 37b of the impact transmission member 37 (vertical portions of the interior side), and this by attaching a shock absorber 40, 41 on the interior side of the inner panel 32 adjacent The shock transmission member 37 is added with shock absorption.

Incidentally, the shock absorber 40, 41 may be only one something Re or. Also, the modification can be applied to the configuration of FIG.

  Since other configurations are the same as those in the first embodiment, description thereof will be omitted.

According to the impact transmission member 37 of the above-described modified example, the occupant's waist can be supported at the time of a side collision, and the shock transmission member 37 can also be used as a shock absorber.

In the present embodiment, the configuration in which the impact transmission member 37 is disposed inside the front side door 6 of the driver's seat or the front passenger seat has been described. However, the present invention can also be applied to the case where it is disposed on the rear side door of the rear seat.

Is a side view from the first front side door interior Oyo vehicle width direction indicated by fluoroscopy beauty passenger compartment as automobile side structure of the embodiment of the present invention. Is a cross-sectional view of the front side door interior and passenger compartment from the front of the vehicle body as a vehicle side structure of the first embodiment. It is sectional drawing which shows the detailed structure inside a front side door. It is sectional drawing which shows the behavior change at the time of the side collision by the front side door provided with the impact transmission member of this embodiment. It is principal part sectional drawing which shows the reference example of an impact transmission member. It is principal part sectional drawing which shows the impact transmission member of the modification of 1st Embodiment. It is a figure which compares and shows the structure of the front side door of the past and this invention.

6 Front side door (side door)
13 front seat (seat)
25 Door glass (window glass)
31 Outer panel 32 Inner panel
32a Upper end (metal panel frame)
32b Lower end (metal panel frame)
32c Panel member (door module plate)
32d receiving part 33 door trim
33b Door pocket 35 Impact bar 37 Impact transmission member
37a one end
37b The other end

Claims (3)

An outer panel and an inner panel, a window glass that moves up and down between them, an impact bar disposed between the window glass and the outer panel, and a side door having a door trim that is attached so as to cover a vehicle interior side of the inner panel; A side part structure of an automobile comprising: a seat disposed in a vehicle interior so as to overlap the side door in a side view of the vehicle body;
One end portion of the exterior and coupled to the impact bar, wherein the extending inside the vehicle in such a way as to wrap around the lower part of the lowermost end of the fully opened position of the window glass, the interior side other end car of the door trim from the end Provide an impact transmission member that rises to face the outside ,
A side part structure of an automobile, wherein the inner panel has a portion that overlaps with the impact transmission member in a side view of the vehicle body and bulges toward the inside of the vehicle, and an accommodation portion for accommodating the impact transmission member is formed . The inner panel is configured by joining a resin door module plate to a metal panel frame,
The side part structure of an automobile according to claim 1 , wherein the housing part is formed in the door module plate . The other end of the interior side of the impact transmission member, characterized in that it is disposed at a position overlapping with the door pockets and a side view of the vehicle body that is provided under the door trim <br/> claim 1 or 3. The side part structure of an automobile according to any one of 2 above .

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