JP5062886B2 - Vehicle body structure - Google Patents

Description

  The present invention relates to a vehicle body structure for a vehicle in which a door rail that guides movement of a sliding door along a side wall of a vehicle body and a seat rail that guides movement of a seat in a vehicle interior are related to each other.

  Conventionally, there is a vehicle body structure of the vehicle described in Patent Document 1 below. According to this publication, the vehicle body structure can open and close the door opening by moving back and forth along the side sill that forms the lower opening edge of the door opening formed on the side wall of the vehicle body and the outer surface of the side wall. A sliding door that is disposed inside the side sill and extends in the front-rear direction, supports the sliding door and guides the movement of the sliding door, and extends inward in the width direction of the vehicle body from the side sill. A floor panel that divides the interior and exterior of the bottom of the passenger compartment, and a seat rail that extends in the front-rear direction and supports a seat disposed in the passenger compartment and guides the forward and backward movement of the seat.

And if the said slide door is moved back and forth by the guidance of a door rail, it will be possible to open and close the said door opening by the said slide door. Further, if the seat is moved back and forth by the guide of the seat rail and fixed, the seating position with respect to the seat can be set to a desired position.
JP-A-6-107052

  By the way, in the above-described conventional technology, the door rail and the seat rail are arranged side by side apart from each other in the width direction of the vehicle body. For this reason, if the width dimension of the vehicle body is determined to be a predetermined dimension, the two rails are separated from each other as described above, and a “space” is provided between the two rails. There are restrictions on the arrangement of the seat rails. Therefore, for the seat supported by the seat rail, the dimension and the degree of freedom of arrangement in the width direction of the passenger compartment tend to be narrowed, which is the case when the vehicle is a small car and the width dimension of the passenger compartment is small. It is not particularly preferable.

  Further, the door rail is disposed closer to the outside of the vehicle body than the seat rail. For this reason, from the substantial interior of the vehicle body in the width direction of the vehicle body where the seat supported by the seat rail exists to the outer side surface of the vehicle body, the door rail is arranged closer to the outside of the vehicle body in this way. The separation distance tends to be long. Therefore, when getting on and off the vehicle interior from the outside of the vehicle body through the door opening, the getting on and off may be complicated due to the long separation distance.

  The present invention has been made paying attention to the above situation, and an object of the present invention is to provide a seat in the width direction of the vehicle compartment even when the vehicle is a small vehicle and the width of the vehicle compartment is small. It is intended to improve the degree of freedom of arrangement of the vehicle and to improve the boarding / exiting property from the outside of the vehicle body.

The invention of claim 1 can open and close the door opening 11 by moving back and forth along a side sill 13 forming a lower opening edge of the door opening 11 formed on the side wall 9 of the vehicle body 2 and the outer surface of the side wall 9. A sliding door 22 that extends in the front-rear direction to support the sliding door 22, and one end side in the longitudinal direction is disposed inside the side sill 13, while the other end extends to the inside of the side sill 13. A door rail 26 that guides the movement of the sliding door 22, and a floor panel 38 that extends inward in the width direction of the vehicle body 2 from the side sill 13 to partition the inside and outside of the bottom of the vehicle compartment 6; In a vehicle body structure of a vehicle provided with a seat rail 54 that supports the seat 50 disposed in the passenger compartment 6 and guides the back-and-forth movement of the seat 50.
A body structure of a vehicle, characterized in that a said seat rail 54 upward to be directly above the other end portion of the door rail 26.

Further, according to the present invention, the other end portion of the door rail 26 is passed through the inner opening 33 formed in the inner plate 15 of the side sill 13 so as to extend toward the passenger compartment 6 on the inner side of the side sill 13. The other end of the vehicle is covered from the vehicle compartment 6 side, and a cover body 40 is provided to be laid on the side sill 13 and the floor panel 38 .

Further, in the present invention, the cover body 40 is coupled to the inner plate 15 and the floor panel 38 of the side sill 13, respectively, and the inner plate 15, the floor panel 38, and the cover body 40 form a hollow closed cross-sectional structure. The seat rail 54 is supported on the upper surface of the cover body 40 .

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

The invention of claim 1 includes a side sill that forms a lower opening edge of a door opening formed on a side wall of a vehicle body, a slide door that moves back and forth along the outer surface of the side wall to open and close the door opening, It extends in the direction to support the slide door, and one end in the longitudinal direction is disposed inside the side sill, while the other end extends to the inside of the side sill to guide the movement of the slide door. A door rail, a floor panel extending inward in the width direction of the vehicle body from the side sill and defining the inside and outside of the vehicle compartment bottom, and extending in the front-rear direction to support a seat disposed in the vehicle compartment and to move the seat back and forth In a vehicle body structure with a seat rail for guiding
It is arranged above the seat rails upwardly as the directly above the other end portion of the door rail.

  For this reason, the two rails are located at the same position in the width direction of the vehicle body. That is, as in the prior art, the two rails are separated from each other, and a “space” is provided between the two rails. It is suppressed to be small.

  Therefore, first, since the conventional “space” described above can be used for the arrangement of the seat rail in the width direction of the vehicle body, for the seat supported by the seat rail, the dimensions and the arrangement in the width direction of the passenger compartment. The degree of freedom can be improved. This is particularly beneficial when the vehicle is a small car and the width of the passenger compartment is small.

  Second, the distance from the substantial interior of the vehicle body in the width direction of the vehicle body where the seat supported by the seat rail exists to the outer surface of the vehicle body is the above-described conventional “space”. It can be shortened as much as it is suppressed. Therefore, when getting on and off the vehicle interior from the outside of the vehicle body through the door opening, the passenger can easily get on and off, that is, the vehicle getting on and off is improved.

In addition , the other end of the door rail is passed through an inner opening formed in the inner plate of the side sill to extend to the passenger compartment side on the inner side of the side sill, and the other end of the door rail is covered from the passenger compartment side. A cover body is provided between the side sill and the floor panel.

  For this reason, it is prevented by the said cover body that the dust and rain water outside a vehicle body penetrate | invade to the compartment side through the inner side opening of the said side sill. Therefore, the other end portion of the door rail passes through the inner opening and extends toward the passenger compartment so that the sliding door is sufficiently guided inward in the width direction of the vehicle body in addition to the front-rear direction guidance. Even in this case, it is prevented by the cover body that the cabin side is soiled by dust or the like outside the vehicle body.

  The vehicle body structure of the vehicle according to the present invention improves the degree of freedom of seat arrangement in the width direction of the vehicle compartment even when the vehicle is a small vehicle and the width of the vehicle compartment is small, and The best mode for carrying out the present invention is as follows in order to realize the object of improving the ease of getting on and off the seat from the outside.

That is, the vehicle body structure includes a side sill that forms a lower opening edge of the door opening formed on the side wall of the vehicle body, a slide door that moves back and forth along the outer surface of the side wall to open and close the door opening, Extending in the front-rear direction to support the slide door, one end side in the longitudinal direction is disposed inside the side sill, while the other end extends to the inside of the side sill to guide the movement of the slide door. A door rail that extends inward in the width direction of the vehicle body from the side sill and defines the inside and outside of the bottom of the vehicle compartment, and extends in the front-rear direction to support the seat disposed in the vehicle compartment and And a seat rail for guiding the movement. It is arranged above the seat rails upwardly as the directly above the other end portion of the door rail.

The cover body is coupled to the inner plate of the side sill and the floor panel, respectively, and a hollow closed cross-sectional structure is formed by the inner plate, the floor panel, and the cover body, and the seat rail is supported on the upper surface of the cover body. .

  In order to explain the present invention in more detail, an embodiment thereof will be described with reference to the accompanying drawings.

  In the figure, reference numeral 1 is a vehicle exemplified by an automobile, and an arrow Fr indicates the front in the traveling direction of the vehicle 1.

  The vehicle 1 includes a vehicle body 2 made of sheet metal, and front and rear wheels 4 and 5 that are suspended from the vehicle body 2 and support the vehicle body 2 on a traveling surface 3. The interior of the vehicle body 2 is a vehicle compartment 6. Reference numeral 7 denotes a vehicle body center in the width direction of the vehicle body 2. In addition, the right and left mentioned below shall mean the width direction of the vehicle body 2 toward the said front.

  Rear door openings 10 and 11 are formed in the left and right side walls 9 of the vehicle body 2 before the inside and outside of the vehicle compartment 6 communicate with each other. The front and rear door openings 10 and 11 in the side wall 9 of one side (left side) of the vehicle body 2 are integrally formed, and there is no equivalent to a center pillar. On the other hand, on the side wall 9 of the other side (right side) of the vehicle body 2, front and rear door openings 10 and 11 are individually formed, and a center pillar is formed between the door openings 10 and 11. .

  The lower opening edge of the door openings 10 and 11 on the side wall 9 on one side of the vehicle body 2 is constituted by a side sill 13. The side sill 13 includes outer and inner plates 14 and 15 facing each other in the width direction of the vehicle body 2, and a reinforcing plate 16 disposed between the plates 14 and 15. The lower end edges of the outer and inner plates 14 and 15 and the reinforcing plate 16 are joined to each other by spot welding. Further, the upper end portions of the outer and inner plates 14 and 15 are coupled to each other by spot welding, and a seal 17 is attached to the coupling portion. A closed cross-sectional structure is formed by the outer and inner plates 14 and 15, and an internal space 18 is formed between the both plates 14 and 15.

  A hinge door 21, which is a front door that is pivotally supported by a front opening edge of the front door opening 10, and that can open and close the front door opening 10 by rotation in the width direction of the vehicle body 2 around the pivotal support. A slide door 22 is provided as a rear door that is movable in the front-rear direction along the outer surface of the side wall 9 on one side of the vehicle body 2 so that the rear door opening 11 can be opened and closed.

  A two-dot chain line in FIG. 1 indicates a state in which the hinge door 21 closes the front door opening 10. Further, a two-dot chain line in FIG. 1 and a solid line in FIGS. 3 to 5 show a state in which the slide door 22 moves forward and the rear door opening 11 is closed. In this case, the slide door 22 moves forward and moves inward in the width direction of the vehicle body 2, the surface of the slide door 22 on the side wall 9 side comes into pressure contact with the seal 17, and the slide door The outer surface of 22 is flush with the outer surface of the side wall 9. Further, the alternate long and short dash line in FIG. 1 shows a state in which the slide door 22 has moved slightly backward and the front portion of the rear door opening 11 has been slightly opened. In this case, the slide door 22 moves rearward and moves outward in the width direction of the vehicle body 2, and moves along the outer surface of the side wall 9.

  An upper door rail 24, an intermediate door rail 25, and a lower door rail 26 that extend in the front-rear direction to support the slide door 22 and guide the front-rear movement of the slide door 22 are provided. The upper door rail 24 is provided at the upper opening edge of the rear door opening 11. The middle door rail 25 is provided on the rear outer surface of the side wall 9. The lower door rail 26 is supported by the side sill 13 constituting the lower opening edge of the rear door opening 11.

  A support arm 28 protrudes from the side wall 9 side surface of the slide door 22 toward the rails 24 to 26, and the inside of the rails 24 to 26 is moved back and forth at the protruding end of the support arm 28. A moving roller 29 is supported.

  The outer plate 14 of the side sill 13 corresponding to the rear door opening 11 is formed with an outer opening 32 that communicates the inside and outside of the internal space 18 of the side sill 13 and extends long in the front-rear direction. In the width direction of the vehicle body 2, an inner opening 33 that communicates the inside and outside of the inner space 18 is formed in the inner plate 15 of the side sill 13 corresponding to the front portion of the outer opening 32.

  One end (rear end) side of the lower door rail 26 in the longitudinal direction extends in the front-rear direction and is disposed inside the side sill 13. The other end (front end) of the lower door rail 26 extends in the width direction of the vehicle body 2 while curving toward the inner side of the side sill 13, passes through the inner opening 33, and passes through the inner side of the side sill 13. It extends to the vehicle compartment 6 side.

  In the internal space 18 of the side sill 13, there is provided a support 35 having a U-shaped cross section that extends along the side sill 13 and whose sections in the longitudinal direction open toward the outside of the vehicle body 2. The support 35 is supported by the side sill 13, and the opening of the support 35 faces the outer opening 32. The front end portion of the support 35 passes through the inner opening 33 in a loosely fitting manner and extends to the vehicle interior 6 side on the inner side of the side sill 13. The lower door rail 26 is disposed in the support 35, and the lower door rail 26 is supported on the ceiling surface of the support 35.

  Each one end (rear end) side of each of the rails 24 to 26 guides the back and forth movement of the slide door 22. The other end portions (front end portions) of the rails 24 to 26 guide the slide door 22 to move back and forth and in the width direction. Specifically, the front end portions of the rails 24 to 26 guide the slide door 22 to move inward in the width direction sufficiently as the slide door 22 moves forward. Thereby, as described above, the surface of the slide door 22 on the side wall 9 is pressed against the seal 17, and the outer surface of the slide door 22 is flush with the outer surface of the side wall 9.

  The lower part of the vehicle body 2 includes a pair of left and right side frames 37 extending in the front-rear direction between the left and right side sills 13. The side sill 13 and the side frame 37 are coupled to each other by a cross member (not shown) to constitute a skeleton member in the lower portion of the vehicle body 2. A floor panel 38 that extends inward in the width direction of the vehicle body 2 from the side sill 13 and defines the inside and outside of the bottom portion of the vehicle compartment 6 is provided. The outer end of the floor panel 38 in the width direction is spot welded S1 to the lower surface of the inner plate 15 of the side sill 13. Further, a middle portion in the width direction of the floor panel 38 is spot welded S2 to the upper surface of each side frame 37.

  A cover body 40 that covers the front end portion of the lower door rail 26, the inner opening 33, and the front end portion of the support body 35 integrally from the side of the vehicle compartment 6 and is installed on the side sill 13 and the floor panel 38 is provided. . The cover body 40 is positioned at substantially the same height as the upper surface of the side sill 13 and extends substantially horizontally, and before the upper surface plate 41 and the rear end portion integrally extend downward, Rear plates 42 and 43, and side plates 44 integrally extending downward from the inner end of the upper plate 41 in the width direction of the vehicle body 2 are provided.

  The outer end of the upper surface plate 41 in the width direction of the vehicle body 2 is spot welded S3 to the upper surface of the inner plate 15 of the side sill 13. The extended end portions of the front and rear plates 42 and 43 are spot-welded S4 to the floor panel 38. Further, the extending end portion of the side plate 44 is spot-welded S2 in three layers together with the side frame 37 and the floor panel 38, and the cover body 40 is reinforced by the side frame 37 and the floor panel 38.

  The thickness of the cover body 40 is substantially the same as the thickness of the inner plate 15 of the side sill 13, but is larger than the thickness of the floor panel 38. The cover body 40 may have a thickness greater than that of the inner plate 15. Further, these 15, 38, and 40 have a closed cross-sectional structure and are reinforced with each other, and are also reinforced with the side frame 37 as described above, so that the combined bodies 13, 37, 38, and 40 Each part has sufficient strength and rigidity.

  A tunnel 46 is formed on the vehicle body center 7 of the floor panel 38, and a reinforcing plate 47 is erected between the general part of the floor panel 38 and the tunnel 46 and is firmly coupled. The general portion of the floor panel 38, the tunnel 46, and the joint portion of the reinforcing plate 47 have a closed cross-sectional structure, which are reinforced with each other and have sufficient strength and rigidity.

  The vehicle compartment 6 has a pair of left and right front and rear seats 50 and 51, and extends in the front-rear direction to support the seats 50 and 51 and guide the movement of the seats 50 and 51 back and forth. The rear seat rail 54 (the rear seat rail is not shown) is provided.

  Of the two front seat rails 54, at least a portion (rear end portion) of the outer seat rail 54 in the width direction of the vehicle body 2 is fastened to the upper surface of the cover body 40 by a fastener 55 and is firmly supported. . Further, at least a part (rear end portion) in the longitudinal direction of the outer seat rail 54 is disposed in the vicinity of the upper side of the other end portion (front end portion) of the lower door rail 26. Of the two front seat rails 54, at least a part (rear end portion) of the inner seat rail 54 is fastened to the upper surface of the reinforcing plate 47 by a fastener 56 and is firmly supported.

  If the seats 50 and 51 are moved back and forth by the guide of the seat rail 54 and fixed, the seating positions with respect to the seats 50 and 51 can be set to desired positions.

  A recess 58 surrounded by the floor panel 38, the cover body 40, and the reinforcing plate 47 is filled with a raising material 59, and a floor material 60 is laid on the upper surface thereof.

  In FIG. 1, the front seat 50 is erected on a seat base 63 supported on the seat rail, a seat cushion 64 supported on the seat base 63, and a rear portion of the seat base 63. A seat back 65 and a seat belt device 66. The seat belt device 66 includes a retractor 68 disposed on the lower side of one side portion of the seat base 63, one end portion connected to the retractor 68, and the other end portion one side portion of the seat cushion 64. A belt 69 connected to the side, and a cover for guiding one end of the belt 69 to the upper end along the side surface of one side of the seat back 65 and covering the one end of the belt 69 from the outside 70, and a tongue plate 71 that is slidably connected to a middle portion in the longitudinal direction of the belt 69 and that can be attached to and detached from the buckle on the other end side of the seat cushion 64.

  According to the above configuration, the seat rail 54 is disposed above the other end of the lower door rail 26.

  Therefore, the rails 26 and 54 are located at the same position in the width direction of the vehicle body 2. That is, as in the prior art, the rails 26 and 54 are separated from each other and the rails 26 and 26 are separated from each other. , 54 is prevented from being provided with a “space”.

  Therefore, first, since the above-described conventional “space” can be used for the arrangement of the seat rail 54 in the width direction of the vehicle body 2, for the front seat 50 supported by the seat rail 54, The degree of freedom in dimensions and arrangement in the width direction can be improved. This is particularly beneficial when the vehicle 1 is a small vehicle and the vehicle compartment 6 has a small width dimension.

  Second, the space between the front of the vehicle body 2 in the width direction of the vehicle body 2 where the front and rear seats 50 and 51 are supported by the seat rail 54 and the outer surface of the vehicle body 2 is separated. The distance can be shortened as much as the above-mentioned conventional “space” is reduced. Therefore, when getting on and off the interior of the vehicle compartment 6 from the outside of the vehicle body 2 through the door opening 11, the passenger can easily get on and off, that is, the ease of getting on and off the vehicle body 2 is improved.

  Further, as described above, the other end portion of the lower door rail 26 is passed through the inner opening 33 formed in the inner plate 15 of the side sill 13 so as to extend toward the vehicle interior 6 side on the inner side of the side sill 13, and A cover body 40 that covers the other end portion of the door rail 26 from the vehicle compartment 6 side and is laid on the side sill 13 and the floor panel 38 is provided.

  For this reason, the cover body 40 prevents dust and rainwater outside the vehicle body 2 from entering the vehicle compartment 6 through the inside openings 32 and 33 outside the side sill 13. Therefore, by extending the other end portion of the lower door rail 26 through the inner opening 33 to the vehicle compartment 6 side, the sliding door 22 is added in the width direction of the vehicle body 2 in addition to the front-rear direction guide. Even when the vehicle is sufficiently guided, the cover body 40 prevents the vehicle compartment 6 from being soiled by dust or the like outside the vehicle body 2.

  Further, as described above, the seat rail 54 is supported by the cover body 40.

  For this reason, since the cover body 40 is used to support the seat rail 54, the support of the seat rail 54 is achieved with a simple configuration.

  The cover body 40 has a large plate thickness and is strongly reinforced by the side sill 13, the side frame 37, and the floor panel 38, so that the cover rail 40 is supported by the cover body 40 with respect to the seat rail 54. The front sheet 50 is firmly supported. Therefore, in particular, the protection of the seated person restrained by the seat belt device 66 on the front seat 50 is more reliably achieved.

  Although the above is based on the illustrated example, regarding the center pillar of the vehicle body 2, the left and right side portions of the vehicle body 2 may be reversed, may be provided on both the left and right side portions of the vehicle body 2, or may not be provided together. May be. The outer seat rail 54 may be substantially entirely supported by the cover body 40.

It is a side view of a vehicle. It is a partial top view of a vehicle. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 2. FIG. 5 is a cross-sectional view taken along line VV in FIG. 2.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 6 Car compartment 7 Car body center 9 Side wall 11 Door opening 13 Side sill 15 Inner board 18 Internal space 22 Slide door 26 Lower door rail (door rail)
32 Outer opening 33 Inner opening 35 Support body 37 Side frame 38 Floor panel 40 Cover body 50 Front seat (seat)
51 Rear seat 54 Seat rail 66 Seat belt device S Spot welding

Claims (1)

A side sill that forms a lower opening edge of the door opening formed on the side wall of the vehicle body, a sliding door that moves back and forth along the outer surface of the side wall to open and close the door opening, and extends in the front-rear direction. One end side in the longitudinal direction is disposed inside the side sill, while the other end extends to the inside of the side sill to guide the movement of the slide door, and the vehicle body from the side sill. A floor panel that extends inward in the width direction of the vehicle compartment and defines the inside and outside of the bottom of the passenger compartment, and a seat rail that extends in the front-rear direction and supports the seat disposed in the passenger compartment and guides the forward and backward movement of the seat. In the vehicle body structure with
Arrange the seat rail above the other end of the door rail ,
It said with the other end portion of the upper SL door rail is passed through the inner opening formed in the inner panel of the side sill is extended in the vehicle compartment side of the inner side of the side sill to cover the other end portion of the door rail from the cabin side A cover body is installed between the side sills and the floor panel ,
The cover body is coupled to the inner plate and the floor panel of the side sill, respectively, and a hollow closed cross-sectional structure is formed by the inner plate, the floor panel, and the cover body, and the seat rail is supported on the upper surface of the cover body. body structure of vehicles shall be the feature that was.

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