JP3399592B2 - Car superstructure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a superstructure of an automobile, and more particularly to a measure for protecting a passenger's head in a side collision.

[0002]

2. Description of the Related Art Generally, in an automobile, as disclosed in, for example, Japanese Patent Application Laid-Open No. 3-65432, a door panel including an inner panel and an outer panel and an inner upper portion of the inner panel are provided. The inner reinforcement that forms a closed cross section that extends in the front-rear direction of the door panel together with the panel, the door trim that is attached to the inner side of the inner panel, and the opening formed in the inner panel penetrates the inner reinforcement to the vicinity of the inner reinforcement. Arranged between the inner reinforcement and the door trim so as to be arranged, and provided with a thick shock-absorbing material inward and outward of the door panel for alleviating the impact on the shoulder of the occupant that acts during a side collision. It has been known.
In this case, when the outer panel is deformed and the inner reinforcement is deformed by the impact applied at the time of the side collision, the impact cushioning material is projected through the opening of the inner panel to the vehicle interior side with the door trim, and The impact cushioning material that protrudes to the side protects the shoulder portion of the occupant during a side collision.

[0003]

By the way, in recent years, there has been a demand for protecting the head of an occupant during a side collision. In this case, since a roof rail having a closed cross-sectional shape that extends in the front-rear direction of the vehicle body is usually provided on the outer side of the head of the occupant seated on the seat, the occupant receives an impact load from the outer side of the vehicle body during a side collision. Will contact the side surface of the roof rail in the passenger compartment.

Therefore, it is conceivable to provide a thick shock absorbing material on the side surface of the roof rail of the passenger compartment in the outer and inner direction of the passenger compartment for alleviating the impact on the head of an occupant which is exerted in a side collision. If the shock absorbing material is arranged in a flesh, the amount of the shock absorbing material overhanging to the passenger compartment side becomes large, which gives the occupant a feeling of pressure.

The present invention has been made in view of the above points, and an object of the present invention is to extend a member having an impact buffering function for buffering an impact on the head of an occupant in a side collision to the passenger compartment side. The purpose is to reduce the amount of pressure on the occupant by making the amount more effective by using the member having another function.

[0006]

In order to achieve the above-mentioned object, a solution means provided by the invention according to claim 1 is a closed cross-sectional shape extending in the front-rear direction of the vehicle body on the outer side of the head of an occupant seated on a seat. It is premised on the superstructure of an automobile equipped with roof rails. Then, the cabin side of the roof rail is provided with a support member for supporting the speaker, to the support member, in order to alleviate the impact to the occupant's head which acts upon side collision, to deform into the cabin outward Formed vulnerable
The speaker cover is provided.

[0007] Further, the solution means taken by the invention of claim 2 is, in the superstructure of an automobile, which is the premise of the invention of claim 1, the vehicle body side surface of the roof rail so as to reinforce the roof rail. It extends along the side of the passenger compartment in the front-rear direction of the vehicle and is fragile so that it can be deformed toward the outside of the passenger compartment in order to mitigate the impact on the head of the occupant that acts during a side collision.
A duct member closed section formed in the weakly provided, further to identify the <br/> duct member, in which a configuration to be supported via a supporting member in the vehicle compartment side surface of the roof rail away Pikadakuto .

[0008]

With the above construction, in the invention according to claim 1 ,
By a deformable speaker cover into the passenger compartment outwardly provided in the vehicle compartment side surface of Le Fureru, shock to occupant's head which acts upon side collision is relaxed.

In this case, the speaker cover has both the function of protecting the speaker and the function of buffering a shock at the time of a side collision due to deformation in the vehicle interior / outside direction. Since the speaker cover is also used on the side surface of the passenger compartment of the roof rail, the amount of extension of the speaker cover as the shock absorbing portion toward the passenger compartment can be effectively mixed.

According to the second aspect of the present invention, the duct member having a closed cross-section, which is provided on the side surface of the roof rail on the vehicle interior side and can be deformed toward the outside of the vehicle interior, causes an impact on the head of the occupant, which acts upon a side collision. Will be alleviated.

In this case, the duct member has both a function of extending in the front-rear direction of the vehicle body along the side surface of the cabin of the roof rail to reinforce the roof rail, and a function of cushioning a side impact in the event of a side collision due to deformation in the cabin interior. Therefore, the duct member is also used, and the duct member on the side of the roof rail passenger compartment can be effectively used to distract the amount of extension of the duct member as the shock absorbing portion toward the passenger compartment. it can. Moreover, since the vehicle compartment side surface of the roof rail is reinforced by the duct member, the cross-sectional shape of the roof rail can be reduced by changing the shape of only the vehicle compartment side surface without changing the shape of the anti-vehicle compartment side surface that affects the design. Since the rigidity and strength are ensured, the cross-sectional shape of the roof rail is changed to be smaller toward the inside and outside of the vehicle compartment on the vehicle interior side, and the amount of extension of the duct member to the vehicle interior side can be effectively reduced.

Furthermore, since the duct member is constituted by a speaker duct closed section, it is possible to generate a sound through an opening is opened to the desired position without being bothered by the arrangement of the speakers .

[0013]

As described above, according to the invention of claim 1,
According to the superstructure of a carRoof rail side of cabin
Original speaker protector with speaker cover installed in
Function and the shock absorbing function are both effectively used,
The amount of overhang of the vehicle cover to the passenger compartment side effectively
Thus, the feeling of pressure on the occupant can be relieved.

Further, according to the superstructure of a motor vehicle in the invention of claim 2, wherein, by the duct member provided on the cabin side of Le Fureru, effective and shared with the reinforcing function of the roof rail casing side, and a shock-absorbing function utilized by effectively Magirawase overhang amount of the vehicle compartment side of the duct member, can further relax the tightness to the occupant, further, it is possible to open the speaker duct at roof rail compartment side, The sound can be generated from a desired position without being bothered by the arrangement of the speakers .

[0015]

Embodiments of the present invention will be described below with reference to the drawings. First, the technique that is the premise of the present invention will be mainly described by reference examples.
And the like, and then two examples of the present invention
explain.

3 and 4 show a front part of the left side of an automobile to which an upper structure according to a reference example of the present invention is applied, 1 is a roof panel of a vehicle body A, and a side end portion of the roof panel 1 (in the drawings, is shown). On the right side only), a roof side rail 4 (roof rail) having a closed cross section that extends in the vehicle front-rear direction between the front pillar 2 and the rear pillar 3 is provided. The roof side rail 4 has a cab side inner panel 4a arranged on the vehicle compartment 5 side and a cab side outer panel 4b arranged on the opposite vehicle compartment 5 side joined to each other at the upper and lower ends thereof. , 4b are joined and fixed to side edges of the roof panel 1. A sunroof opening 1a that is opened and closed by a sunroof (not shown) is provided at the center of the roof panel 1. The roof side rail 4 is a headrest 8c of a front seat 8 (seat), which will be described later, mounted on a floor panel 7 that forms the floor surface of the passenger compartment 5.
The outer side, that is, the outer side of the head Xa of the occupant X seated on the front seat 8 extends in the front-rear direction of the vehicle body.
The front seat 8 is provided at a seat cushion 8a slidably supported in the front-rear direction of the vehicle body, a seat back 8b recliningly supported by the seat cushion 8a, and provided at an upper end portion of the seat back 8b. Head rest 8c. Incidentally, FIG.
6 is a center pillar.

Further, at the side end of the floor panel 7,
The side sill inner panel 9a and the side sill outer panel 9b are provided with a side sill 9 formed in a closed cross-sectional shape. The side sill inner panel 9a and the side sill outer panel 9b are provided between the side sill 9a and 9b.
There is provided a reinforcement 9c for partitioning the closed cross section by the inward and outward directions. A door opening 11 opened and closed by a side door 10 is provided between the roof side rail 2 and the side sill 9. The side end of the floor panel 7 is fixedly joined to the upper end of the side sill inner panel 9a of the side sill 9.

As shown in FIGS. 1 and 2,
On the side of the cabin 5 of the cab side inner panel 4a of the roof side rail 4 corresponding to the outside of the head Xa of the occupant X seated on the seat cushion 8a of the front seat 8, an assist grip 12 for supporting the body of the occupant is provided. A U-shaped bracket 13 having a substantially U-shaped cross section (only the front side on the passenger seat side is shown in the figure) as a supporting member for supporting the front and rear ends of the (body accessory) is fixedly joined. The U-shaped bracket 13 has openings 13 a (front U-shaped bracket 1 facing each other at the front and rear ends of the assist grip 12).
3 is adjacent to the opening 13a on the side opposite the vehicle compartment 5 side, and the cab side inner panel 4a.
And the vehicle compartment side piece 13b that is fixedly joined to the side surface of the vehicle compartment 5 and the vehicle compartment side piece 13c that is adjacent to the vehicle compartment 5 side of the opening 13a and has a weld nut 13e fixedly attached to the side surface of the vehicle compartment. , The compartment side piece 13b and the compartment side piece 13 on the side opposite to the opening 13a
A connecting piece 13d for connecting c is integrally formed. Further, the grip portion 14 of the assist grip 12 includes a strip-shaped steel belt 14a and the steel belt 14a.
And an elastic body 14b attached so as to embrace the periphery thereof. Further, a support plate 13f is fixed to the side surface of the vehicle compartment 5 of the other side piece 13b of the U-shaped bracket 13, and a steel belt 14a protruding from the end of the grip portion 14 is attached to the U-shaped bracket 13. Is supported by penetrating a bolt member 16 inserted through a rubber cover body 15 as a trim material that covers the vehicle compartment 5 side, and the bolt member 16 supports the bolt plate 16.
f and penetrating the other side piece 13b of the U-shaped bracket 13 and screwed into the weld nut 13e,
Assist grip 12 for U-shaped bracket 13
The (grip portion 14) is attached. Then, the grip portion 1 of the assist grip 12 described above.
4 is held between the U-shaped brackets 13 at the front and rear ends thereof such that the central portion thereof projects toward the vehicle compartment 5 side due to the tension of the steel belt 14a. When the head Xa of the occupant X comes into contact with the grip portion 14 when an impact load is applied, as shown by an imaginary line (two-dot chain line) in FIG. While bending and deforming the connecting piece 13d to the outside of the vehicle body, the grip portion 14 is deformed toward the cab side inner panel 4a side.
The head part Xa of the occupant X acting at the time of a side collision by the vehicle compartment side piece 13c and the connecting piece 13d of No. 3 and the grip portion 14.
The shock absorbing portion is configured to reduce the impact on the.

Reference numeral 18a denotes a synthetic resin top sealing disposed on the side of the vehicle panel 5 at the edge of the loop panel 1, and the top sealing 18a is provided on the side of the vehicle cabin 5 of the cab side inner panel 4a. It is integrally formed so that it can be attached around. This top ceiling 1
On the side surface of the anti-chamber compartment 5 of 8a, a steel core plate 18b is provided.
Is attached. In addition, the top sealing 18a
A slide rail member 18c that slides and guides the sunroof in the vehicle front-rear direction is provided on the side surface of the vehicle opposite to the vehicle compartment 5.
The inner end portion of the top ceiling 18a corresponding to the peripheral edge of the sunroof opening 1a has the core plate 18
While held by an inner molding material 19a that covers the connection between the inner ends of b and the slide rail member 18c,
The lower end position of the outer edge of the top ceiling 18a is held by a lower molding material 19b that covers the connection between the lower ends of the cab side inner panel 4a and the cab side outer panel 4b.

Therefore, in the above-mentioned reference example, the impact cushioning portion provided on the side of the cabin 5 of the cab side inner panel 4a of the roof side rail 4 is deformed to the outside of the cabin 5, that is, the cab side inner panel of the grip portion 14. Due to the deformation toward the 4a side and the bending deformation of the vehicle-body-side piece 13c of the U-shaped bracket 13 and the connecting piece 13d to the outside of the vehicle body, an impact load acts through the side sill 9 and the side door 10 to assist in a side collision. The impact when the head Xa of the occupant X contacts the grip portion 14 of the grip 12 is alleviated.

In this case, the shock absorbing portion has a U-shaped bracket 13 for supporting the front and rear ends of the assist grip 12 on the side of the cabin 5 of the cab side inner panel 4a of the roof side rail 4, and the U-shaped bracket 13. Since it is configured by the grip portion 14 of the assist grip 12 that is supported, the U-shaped bracket 13 is also used as a support portion that supports the assist grip 12 and the shock absorbing portion, and the occupant X is attached to this U-shaped bracket. Since the assist grip 12 having both the function of supporting the body and the shock absorbing function is supported, the assist grip 12 disposed on the side surface of the cabin 5 of the cab side inner panel 4a is effectively used than usual. As a result, the amount of protrusion of the shock absorbing portion toward the vehicle compartment 5 side can be distracted without any discomfort, and the feeling of pressure on the occupant X can be alleviated. Moreover, according to such an assist grip 12, the occupant X acting at the time of a side collision by utilizing the deformation of the grip portion 14 itself inward and outward of the vehicle compartment 5.
The impact on the head Xa of the vehicle is effectively mitigated in combination with the shock absorbing effect by the bending deformation of the U-shaped bracket 13 on the vehicle compartment side piece 13c and the connecting piece 13d to the side opposite to the vehicle compartment 5, It is also possible to effectively use the assist grip 12.

Further, since the U-shaped bracket 13 is covered from the passenger compartment 5 side by the top ceiling 18a, the shock absorbing portion is the assist grip 1 (steel belt 14).
Along with the front and rear ends of a), the top ceiling 18a covers the interior of the vehicle from the side of the vehicle compartment 5 to improve the appearance of the vehicle interior 5 and effectively dispose the vehicle body accessories .

Next, a first embodiment of the present invention will be described with reference to FIGS .
It will be described based on. This first embodiment is the same as the above reference example.
The thing is what changed the shock-absorbing part (In addition, about the same part as the said Example, the same code | symbol is attached | subjected and the detailed description is abbreviate | omitted) .

That is, in this example, the integrally formed top sealing 18a corresponding to the outer side position of the head Xa.
A cutout 18e is provided at a lower position of a side end of the vehicle, and an oval speaker 41 that is long in the front-rear direction of the vehicle body as a vehicle body accessory is provided in the cutout 18e. The speaker 41 includes a speaker body 41a located on the side opposite to the vehicle compartment 5 and a cone portion 41b integrally provided on the vehicle body 5 side of the speaker body 41a.
And a speaker cover 41c that covers the cone portion 41b from the vehicle compartment 5 side, and a speaker ring 41d that is provided on the peripheral edge of the speaker cover 41c and holds the peripheral edge of the speaker cover 41c against the top ceiling 18a around the cutout 18e. Is equipped with.

Further, the speaker 41 has a speaker main body portion in which the inner and outer dimensions of the vehicle compartment 5 are offset in the speaker mounting recess 42 provided in the cab side inner panel 4a corresponding to the center of the cutout 18e. 41a is accommodated and held via a holding member 43 having a substantially U-shaped cross section. Further, the speaker 41 is the speaker 41.
A spacer 44 that supports the periphery of the speaker main body 41a and fills a gap between the cab side inner panel 4a and the top ceiling 18a at the periphery of the speaker main body 41a inward and outward of the vehicle compartment 5, and is integrally molded with the speaker cover 41c. Has an engaging claw 45a that engages the speaker cover 41c with a top sealing 18a at the periphery of the notch 18e at a predetermined position on the periphery of the cab side inner panel 4a and the cab side outer panel 4b. Is supported by a supporting member including an engaging portion 45 having an engaging piece 45b which is engaged so as to be gripped via the lower end of the. A predetermined peripheral position of the spacer 44 is fastened and fixed to the cab side inner panel 4a with a bolt 47a and a nut 47b.

The speaker cover 41c is formed of a mesh-like punching metal that bulges toward the passenger compartment 5, and the speaker cover 41c is subjected to an impact load from the outside of the vehicle body during a side collision. To the head X of the occupant X
When a comes into contact with the speaker cover 41c, the speaker cover 41c is deformed toward the cab side inner panel 4a, and the speaker cover 41c itself serves as an impact cushioning portion for cushioning the impact on the head Xa of the occupant X during a side collision. I am configuring.

As a result, in the first embodiment, the occupant X
Cab side inner panel 4 provided outside the head Xa
Due to the speaker cover 41c that can be deformed to the a side, an impact load acts through the side sill 9 and the side door 10 at the time of a side collision, and the head X of the occupant X is attached to the speaker cover 41c.
The impact when a comes into contact is mitigated.

In this case, the speaker cover 41c has a function of covering the cone portion 41b of the speaker 41 from the passenger compartment 5 side,
The speaker cover 41c (speaker 41) is also used as a shock absorbing portion because it has both a shock absorbing function at the time of its own deformable side collision made of mesh-like punching metal, and this cab side is also used. By effectively utilizing the speaker 41 on the side of the vehicle interior 5 of the inner panel 4a, the amount of protrusion of the speaker cover 41c as the shock absorbing portion toward the vehicle interior 5 can be reduced, and the feeling of pressure on the occupant X can be alleviated.

In the first embodiment, the speaker cover 41c is made of mesh punching metal.
It may be a mesh-shaped cover made of synthetic resin .

Next, FIGS. 7 to the second embodiment of the present invention
It will be described based on 9 . The second embodiment also has a modified shock absorbing portion.

That is, in this example, a speaker duct 81 as a duct member extending from an acoustic speaker provided on a package tray constituting the upper surface of a trunk room (not shown) is provided along the rear pillar 3, the roof side rail 4, and the front pillar 2. The acoustic speaker system configured to do so is configured. The speaker duct 81 has a vehicle compartment side surface 2a of each pillar 2 and 3 (only the front pillar side is shown in the figure) and a corresponding one of the pillars 2 and 3 to the vehicle compartment 5 side at the corresponding portions of the front pillar 2 and the rear pillar 3. While being disposed between the cab side inner panel 4a and the side end lower portion of the integrally formed top ceiling 18a at a corresponding portion of the roof side rail 4, the trim is disposed between the cab side inner panel 4a and the roof side rail 4a. Has been done. The speaker duct 81 in the corresponding portion of the roof side rail 4 is supported by the fasteners 83, 83 as supporting members for the cab side inner panel 4a. The opening 81a of the speaker duct 81 is opened at a lower position of the front pillar 2 via a speaker net 84, and the speaker duct 81 having a long length extending from the package tray to the lower position of the front pillar 2 allows the speaker It is possible to reduce the cross-sectional area of the duct 81 itself.

The speaker duct 81 is made of synthetic resin, and when the head ceiling Xa of the occupant X comes into contact with the top ceiling 61 when an impact load is applied from the outside of the vehicle body during a side collision, The speaker duct 81 is deformed to the cab side inner panel 4a side, and the speaker duct 81 constitutes an impact cushioning portion for alleviating the impact on the head Xa of the occupant X which acts upon a side collision.

As a result, in the second embodiment, the occupant X
By the speaker duct 81 which is located on the outer side of the head Xa and extends toward the cab side inner panel 4a extending in the front-rear direction of the vehicle body, an impact load acts through the side sill 9 and the side door 10 at the time of a side collision to cause top sealing. The impact when the head Xa of the occupant X contacts the 18a is alleviated.

In this case, the speaker duct 81 extends in the vehicle front-rear direction along the side surface of the cab side inner panel 4a of the roof side rail 4 in the vehicle front-rear direction to reinforce the roof side rail 4, and the cab side inner panel 4a.
Since it has both a shock absorbing function at the time of a side collision that can be deformed to the side, the speaker duct 81 itself having a reinforcing function is also used as a shock absorbing portion, and the cab side inner panel 4a passenger compartment By effectively utilizing the speaker ducts 81 on the five side surfaces, the amount of the speaker duct 81 serving as the shock absorbing portion protruding toward the vehicle compartment 5 side can be reduced, so that the occupant X can feel less pressure.

Further, the speaker duct 81 can be opened on the side of the cab side inner panel 4a on the side of the vehicle compartment 5, and the sound can be generated from a desired position without being bothered by the arrangement of the speakers.

In the second embodiment, the speaker duct 81 is made of synthetic resin, but it may be made of steel plate .

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view of a front side portion of an assist grip according to a reference example.

FIG. 2 is a vertical sectional front view of the vicinity of a shock absorbing portion according to a reference example.

FIG. 3 is a vertical sectional front view of a left side portion of a vehicle body according to a reference example.

FIG. 4 is a perspective view of a vehicle body side portion viewed from a vehicle compartment side according to a reference example.

FIG. 5 is a view corresponding to FIG. 2 according to the first embodiment.

FIG. 6 is a diagram illustrating the vicinity of a front upper portion of a vehicle body side portion according to the first embodiment.
It is a side view .

7 is a diagram 2 equivalent diagram according to the second embodiment.

FIG. 8 is a vicinity of an opening of a speaker duct according to a second embodiment.
FIG .

FIG. 9 is a view corresponding to FIG. 6 according to the second embodiment.

[Explanation of symbols]

4 Roof Side Rail (Roof Rail) 5 Cabin 8 Front Seat (Seat) 12 Assist Grip (Vehicle Equipment) 13 U-Shaped Bracket (Supporting Member) 15 Cover Body (Trim Material ) 41 Speaker (Vehicle Equipment) 41c Speaker Cover (Impact cushioning portion) 44 Spacer (supporting member) 45 Engaging portion (supporting member ) 81 Speaker duct (duct member) (Impact cushioning portion ) X Occupant Xa Head

─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Hiroaki Enomoto 3-1, Shinchi Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Co., Ltd. (72) Toshifumi Nishioka 3-1 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Within the corporation (56) Reference JP 59-8539 (JP, A) Actual development 63-76566 (JP, U) Actual development 56-157147 (JP, U) Actual development 4-129052 (JP, U) Actual development 4-119745 (JP, U) Actual development 2--111990 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B60R 21/02-21/04 B62D 25 / 06 B60R 13/02 B60H 1/00 B60R 11/02

Claims (2)

(57) [Claims] 1. An outer side of the head of an occupant seated on a seat,
Provided with a roof rail with a closed cross section that extends in the longitudinal direction of the vehicle body
In the upper structure of an automobile , a speaker is supported on the side surface of the roof rail in the passenger compartment.
A support member is provided, which supports the head of the occupant acting in a side collision.
It is brittle so that it can be deformed toward the outside and inside of the vehicle to absorb the impact.
That a weakly formed speaker cover is provided
Characteristic automobile superstructure. 2. An outer side of the head of an occupant seated on a seat,
Provided with a roof rail with a closed cross section that extends in the longitudinal direction of the vehicle body
In the upper structure of the automobile , the roof rail is attached to the side surface of the cabin of the roof rail.
It extends along the side of the passenger compartment in the longitudinal direction of the vehicle to reinforce,
In addition, the impact on the occupant's head that acts during a side collision is reduced.
In order to allow the
A duct member having a closed cross-sectional shape is provided, and the duct member includes a support member on the side surface of the roof rail in the vehicle compartment.
It is a speaker duct supported through
Car superstructure.