JP2001150986A - Body structure of automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a body structure of an automobile ensuring development of a rear seat arranged on a floor so as to be movable to the longitudinal direction and function of a seat belt. SOLUTION: A sliding deck 20 having a center floor 2 and a high rear floor 4 at the rear of the center floor 2 is provided in engagement with a front rail 11 and a rear rail 13 so as to be movable in approximately horizontal direction. The sliding deck 20 provided with a rear seat 50 has a seat belt 61 supported by a retractor 60 with one end adapted to be delivered from the upper part of a rear pillar 9, an outer belt anchor 29 provided at the rear end corner of the sliding deck 20 for supporting the seat belt 61 at the other end, and an inner belt anchor 46 provided at the rear end center of the sliding deck 20 for locking a tongue plate 63 movably supported by the seat belt 61.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body structure, and more particularly, to a vehicle body structure provided with a rear seat movably arranged in a front-rear direction on a floor.

[0002]

2. Description of the Related Art In recent years, in order to improve the purpose of use of a vehicle and to improve the livability of a vehicle, various types of vehicle body structures have been proposed in particular in order to improve the layout of seats and the like disposed in a vehicle interior.

[0003] For example, as disclosed in Japanese Patent Publication No. 56-36089, a high floor rear floor is continuously formed through a step portion behind a low floor center floor, and a rear seat is positioned on the rear floor by a link mechanism. In some cases, the seat back can be moved between a rear position and a front position on a center floor, and the seat back can fall on a seat cushion.

[0004] With this configuration, the luggage space in which the upper surface of the rear floor is expanded is secured by moving the rear seat to the front position, while the rear seat is seated on the center floor by moving the rear seat to the rear position. The foot space for the elderly is sufficiently secured, and the livability is improved.

[0005] However, since the rear seat is moved by lifting the rear seat, a large load is inevitable, and it is difficult to secure optimal luggage space and foot space according to the luggage. ing.

As a countermeasure against this, the present applicant has filed Japanese Patent Application No.
-66881, a front rail and a rear rail are respectively disposed on a rear floor and a center floor, and a slide deck supported by the front rail and the rear rail and movable substantially horizontally between the rear floor and above the center floor is provided. By arranging the rear seats on the slide deck and moving the slide deck as appropriate, the luggage space behind the rear seats and the foot space of the occupants of the rear seats can be adjusted to obtain optimal livability and luggage space. A body structure was proposed.

[0007]

On the other hand, in such a vehicle, when a belt anchor for supporting the other end of the seat belt, one end of which is connected to a pillar or the like at the rear end of the passenger compartment, is directly attached to the seat cushion. In order to reliably receive the impact load acting on the belt anchor via the seat belt, sufficient rigidity is required for the seat member such as the seat frame, and the smooth movement operation of the slide deck may be hindered due to the increase in the weight of the rear seat. There is.

On the other hand, if the seat anchor is fixed to a relatively rigid floor or a vehicle body member such as a pillar, the movement of the rear seat affects the seat belt wearing property, so that the amount of movement of the rear seat is limited. Is concerned.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention, which has been made in view of the above points, is to provide a vehicle body structure in which the deployability of a rear seat provided on a floor so as to be movable in the front-rear direction and the function of a seat belt are ensured. Is to provide.

[0010]

According to a first aspect of the present invention, there is provided a vehicle body structure in which a high floor rear floor is continuously formed through a step portion behind a low floor center floor. A vehicle body structure having a floor, comprising: a pair of rear rails disposed on the rear floor along both sides of the rear floor in a vehicle front-rear direction; and a body mounted on the center floor along both sides of the center floor. A pair of front rails disposed in the front-rear direction, a rear support member disposed at both rear end corners and movably engaged with the rear rail, and a front rail disposed at both front end corners. A slide deck which can be moved back and forth substantially horizontally between a rear floor and a center floor by a front support member movably engaged with the rear deck, and a riyashia provided on the slide deck. And a seat belt having one end supported by a retractor so as to be able to be extended from a vehicle body member near a rear upper side end in the vehicle interior, and provided at a rear end corner of the slide deck to support the other end of the seat belt. An outer belt anchor, and an inner belt anchor provided at the center of the rear end of the slide deck and locking a tongue plate movably supported by the seat belt are provided.

According to the first aspect of the present invention, one end of the seat belt is supported by the retractor so as to be able to be extended from a vehicle body member near the rear upper side end into the vehicle interior, and the outer belt anchor supporting the other end of the seat belt is slid. When the slide deck is moved forward along the front and rear rails, the seat belt follows the movement of the slide deck and retracts along the side of the vehicle compartment. When the slide deck is sequentially pulled out and moved backward, the seat belt is sequentially wound up by the retractor in accordance with the movement of the slide deck, so that bending or the like of the seat belt is prevented from occurring, and the seat belt is affected. This makes it possible to smoothly move the slide deck without any effort, and to easily deploy the rear seats.

Since the end portion of the seat belt is always held near the side portion of the rear seat, the occupant of the rear seat pulls out the seat belt from the retractor and the tongue plate is disposed at the center of the slide deck. The seat belt is easily fastened by being locked to the inner belt anchor, and the portion of the seat belt that is stretched from one shoulder of the occupant to the other waist when the seat belt is fastened is not affected by the moving position of the slide deck. The function of the seat belt is sufficiently ensured.

Further, since the rear support member disposed at the rear end corner of the slide deck is movably engaged with the rear rail, the impact load from the seat belt acting on the outer belt anchor is transmitted via the rear rail. Distributed to the rear floor.

According to a second aspect of the present invention, in the vehicle body structure of the first aspect, a locking rail extending in the vehicle front-rear direction at a substantially central portion in the vehicle width direction on the rear floor is provided. A locking hook provided at the rear center of the slide deck and movably engaged with the locking rail.

According to the second aspect of the present invention, the impact load acting on the inner belt anchor from the seat belt is transmitted to the locking rail from the locking hook provided at the rear center portion of the slide deck, and from the locking rail to the rear floor. It is distributed and transmitted promptly and reliably received.

According to a third aspect of the present invention, in the vehicle body structure of the second aspect, a rear central portion of the slide deck is provided between the opposed upper and lower panels and the upper and lower panels. A central link reinforcement that is erected on the base section, and the locking hook is coupled to the central link reinforcement via the lower panel,
The inner belt anchor is mounted and supported on a central reinforcement via the upper panel.

According to the third aspect of the present invention, the impact load acting on the inner belt anchor is distributed and transmitted to the entire slide deck from the rear central portion of the slide deck, which is secured by the central link reinforcement, and It is dispersed and transmitted from the locking hook to the rear floor via the locking rail, so that the effect of claim 2 is better achieved. As a result, the required rigidity at the center of the slide deck is reduced, and the weight of the slide deck is reduced.

According to a fourth aspect of the present invention, in the vehicle body structure of the first to third aspects, the rear end corners of the slide deck are formed by opposing upper and lower panels and the upper and lower panels. A substantially rectangular box-shaped side reinforcement that is erected between the upper and open sides and a substantially rectangular box-shaped lower side that is open and is fitted to the side linkage to form a closed cross-sectional shape A seat lock bracket, and a side frame disposed on a side edge of the slide deck and connected to a side link reinforcement,
The outer belt anchor is connected and supported by the side linkage and the side frame, and the rear support member is mounted and supported by the side linkage and the seat lock bracket.

According to the present invention, the rear end corner of the slide deck for mounting and supporting the outer belt anchor has high rigidity due to the side ring reinforcement and the seat lock bracket fitted to the side ring reinforcement. It is formed in a box shape with a closed cross section, and a side frame is connected to a side reinforcement, and furthermore, an upper panel and a lower panel are stretched to be formed with extremely high rigidity. Since the outer belt anchor is mounted and supported at the rear end corner of the slide deck with sufficient rigidity, the impact load from the seat belt acting on the outer belt anchor can be reduced after the slide deck with sufficient rigidity. Dispersion is transmitted widely from the end corner to the slide deck, and is also transmitted from the rear support member to the entire rear floor via the rear rail.

According to a fifth aspect of the present invention, in the vehicle body structure of the first to third aspects, the rear end corners of the slide deck are opposed upper and lower panels and side edges of the slide deck. And a side frame disposed between the upper panel and the lower panel,
The outer belt anchor and the rear support member are both attached and supported to the side frame by anchor bolts.

According to the fifth aspect of the present invention, since the outer belt anchor and the rear support member are integrally connected by the anchor bolt, the impact load from the seat belt is directly applied to the rear rail via the anchor bolt and the rear support member. The impact load applied to the rear end corner of the slide deck is extremely reduced. As a result, the rigidity of the rear end corner of the slide deck can be reduced, so that the configuration of the slide deck can be simplified and the weight can be reduced.

According to a sixth aspect of the present invention, in the vehicle body structure of the first to fifth aspects, the rear seat has a front portion swingably supported by a front end of the slide deck and is mounted on the upper surface of the slide deck. The seat cushion is provided, and a seat back supported by a rear portion of the seat cushion is provided.

According to a sixth aspect of the present invention, a front portion of a seat cushion of a rear seat provided on a slide deck is swingably supported at a front end of the slide deck, and a seat back is swingably supported at a rear portion of the seat cushion. This facilitates various deployments of the slide deck and the rear seat without being affected by the seat belt.

According to a seventh aspect of the present invention, in the vehicle body structure of the first to sixth aspects, the rear supporting member includes a rear bracket mounted and supported at a rear end corner of the slide deck, and a shaft attached to the rear bracket. A roller that is supported and rolls so as to engage with the rear rail; the front support member is a front bracket that is mounted and supported at a front end corner of the slide deck; And a roller rolling so as to be engageable with the front rail.

According to the seventh aspect of the present invention, the rear support member and the front support member can be easily constituted by the bracket and the roller supported by the bracket.

The invention of an automobile body structure according to claim 8 is a vehicle body structure comprising an automobile body floor in which a high floor rear floor is continuously formed behind a low floor center floor via a step portion. A pair of rear rails arranged on the rear floor along both sides of the rear floor in a vehicle longitudinal direction, and a pair of front rails arranged on the center floor along both sides of the center floor in a vehicle longitudinal direction. A rear support member disposed at both rear end corners and movably engaged with the rear rail, and a front support member disposed at both front end corners and movably engaged with the front rail. The rear seat has a cushion frame that can move back and forth approximately horizontally between the rear floor and the center floor, and one end extends from a vehicle body member near the rear upper side end in the passenger compartment. A seat belt supported by a retractor, an outer belt anchor provided at a rear end corner of the cushion frame to support the other end of the seat belt, and the seat provided at a center of a rear end of the cushion frame. An inner belt anchor for locking a tongue plate movably supported by the belt.

According to the invention of claim 8, one end of the seat belt is supported by the retractor so as to be able to be extended from a vehicle body member near the rear upper side end into the vehicle interior, and the outer belt anchor supporting the other end of the seat belt is cushioned. When the rear seat is moved in the front-rear direction along the front rail and the rear rail, the seat belt is sequentially pulled out from the retractor or wound up following the movement of the rear seat because the rear seat is provided at the rear end corner of the frame. The seat belt is prevented from being bent or the like, so that the rear seat can be smoothly moved, the rear seat can be easily deployed, and the function of the seat belt by mounting the seat belt is achieved.

According to a ninth aspect of the present invention, in the vehicle body structure of the eighth aspect, a locking rail is provided at a substantially central portion in the vehicle width direction on the rear floor so as to extend in the vehicle longitudinal direction.
A locking hook provided at a center of a rear end of the cushion frame, the locking hook being movable to the locking rail.

According to the ninth aspect of the present invention, the impact load applied to the inner belt anchor from the seat belt is transmitted to the locking rail from the locking hook provided at the rear center portion of the cushion frame, and from the locking rail to the rear floor. Dispersion is transmitted, and deformation near the center of the rear end of the cushion frame is avoided or extremely suppressed, and is reliably received.

The invention described in claim 10 is the invention according to claims 1 to 9
The vehicle body structure according to the above, wherein instead of the seat belt, a two-point seat belt is connected at one end to the outer belt anchor and at the other end to the inner belt anchor.

According to a tenth aspect of the present invention, the seat belt according to the first to ninth aspects, that is, a so-called three-point seat belt, is developed into a two-point seat belt.

[0032]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of a vehicle body structure according to the present invention will be described below with reference to FIGS.

FIG. 1 is a side view of a main part of an automobile showing an outline of the present embodiment, FIG. 2 is a plan view of the main part of FIG. 1, and FIG. 3 is a sectional view taken along line II of FIG. The arrow F in the figure indicates the front direction of the vehicle body.

In the figure, reference numeral 1 denotes a center floor 2 of a low floor,
A seat cushion 6a and a seat back 6b are provided on a body floor in which a high floor rear floor 4 is formed continuously with a stepped portion 3 behind the center floor 2 via a stepped portion 3. Front seat 6
Are arranged.

The center floor 2 has a pair of front rails 1 extending in the front-rear direction along both sides of the center floor 2.
1 is laid, a rear rail 13 extending in the front-rear direction along both sides of the rear floor 4 is laid, and a pair of locking rails 15 oppose each other substantially in the vehicle width direction center of the rear floor 4 along the front-rear direction. Has been laid.

Rear rail 13 laid on rear floor 4
FIG. 4 is an enlarged view of part A of FIG. 1 and II-II of FIG.
As shown in the sectional view of FIG. 5, a flat bearing surface portion 13a laid along a concave portion 4a extending in the front-rear direction on the rear floor 4 and extending upwardly from both sides of the bearing surface portion 13a. Folded side portions 13b and upper surface portion 1 bent from the upper end of each side portion 13b so as to approach each other
3c and a flange portion 13d bent downward from an inner end of the upper surface portion 13c, and has a substantially C-shaped or U-shaped cross section.

The front rail 11 laid on the center floor 2 has substantially the same cross-sectional shape as the rear rail 13 and is laid in a recess formed on the center floor 2 in the front-rear direction.

FIG. 6 is an enlarged view of a portion B in FIG. 2 and FIG. 7 is a cross-sectional view taken along the line III-III of FIG. Mounting portions 15a each laid along both sides of the recessed portion 4b formed in the vertical direction, a vertical surface 15b bent upward from an inner end of the mounting portion 15a, and an upper end of the vertical surface 15b. It has a substantially Z-shaped cross section having a locking surface 15c bent so as to approach each other.

Each locking rail 15 is connected at its rear end to the rear floor 4 and a cross member rear floor 7 extending to the lower surface of the rear floor 4 by bolts and nuts 15f. Each front end is shown in FIG. As shown in the enlarged view of the portion C, the rear floor 4 protrudes forward from the front end thereof, and the protruding portion is connected to the stepped portion 3 by a mounting bracket 15g bent substantially in an L shape.

On the other hand, the slide deck 20 has an upper panel 21 and a lower panel 22 which are substantially rectangular.
1 and a lower panel 22 each have a front frame 23 having a substantially U-shaped cross section in which a front edge, a rear edge, and both side edges extend along each edge.
It is formed in a hollow shape connected to each other with the side frame 24 and the rear frame 25 interposed therebetween, and is fitted into and engaged with the front rail 11 via a front bracket 35 serving as a front support member at a lower front portion. Rollers 36 that roll as much as possible are supported.

Next, the structure of the rear end corner of the slide deck 20 will be described with reference to the sectional views taken along the line IV-IV in FIGS. 4, 5 and 5 and the sectional view taken along the line VV in FIG. This will be described with reference to FIG.

The rear end corner of the slide deck 20 has a side linkage 26 and a seat lock bracket 27 together with the upper panel 21, the lower panel 22, the side frame 24 and the rear frame 25.

The side linkage 26 has a substantially rectangular bottom portion 26a in which the outer front end is cut out in a substantially rectangular shape and the front portion of the outer edge is formed in a crank shape.
The front side surface portion 26b and the rear side surface portion 26c which are respectively bent upward from the front region and the rear region of the outer edge of a, and are respectively bent upward from the front edge, the inside edge and the rear edge of the bottom surface portion 26a. Front surface 26d, inner surface 26e, rear surface 26f
The upper part is formed in a substantially box shape having an open upper part, and a front side flange 26h bent outward from an upper edge of the front side part 26b and an inward part from an upper edge of the rear side part 26c. The bent rear side flange 26i, the front flange 26j bent forward from the upper edge of the front surface portion 26d, the inner flange 26k bent inward from the upper edge of the inner side surface portion 26e, the rear It has a rear flange 26h bent forward from the upper edge of the surface 26f.

On the other hand, the seat lock bracket 27 can be fitted in the side link reinforcement 26 formed in the box shape, and has a rectangular upper surface portion 27a in which a slit-shaped lock hole 27b is opened; The outer side surface portion 27c, the front surface portion 27d, the inner side surface portion 27e, which is bent downward from the outer edge, the front edge, and the inner edge of the upper surface portion 27a, respectively, are inclined backward and downward from the rear edge of the upper surface portion 27a. A box-like shape having a curved rear surface portion 27f and an open lower portion, and the outer surface portion 27c, the front surface portion 27d, and the inner side surface portion 27e are respectively the front side surface portion 26b, the front surface portion 26d, and the inner side of the side linkage 26. Polymerizable on the inner surface of the surface portion 67e,
At the lower end edge of the rear surface portion 27f, a coupling flange 27g that can be overlapped is formed on the upper surface of the bottom surface portion 26a of the side linkage 26 by bending.

Then, a roller mounting nut 30a corresponding to the bolt hole drilled in the bottom surface 26a of the side link reinforcement 26 in advance and an anchor nut 29a corresponding to the bolt hole drilled in the rear side surface portion 26c are welded. And the coupling flange 27g of the seat lock bracket 27.
Roller mounting nut 30 corresponding to the bolt hole drilled in
b are welded together and the side linkage 26 and the front side 26 of the seat lock bracket 27 overlap each other.
b and the outer side surface portion 27c, the front side portions 26d and 27d, the inner side surface portions 26e and 27e, and the bottom surface portion 26a and the connecting flange 27g are welded to each other, and the closed section having excellent rigidity is provided by the side link reinforcement 26 and the seat lock bracket 27. It is formed in a box shape having a shape.

The rear side 26 of the side reinforcement 26 to which the seat lock bracket 27 is attached.
c, the side frame 24 is fitted to the rear side flange 26i and the bottom surface 26a from the side, and the rear side flange 26i and the bottom surface 26a of the side phosphorus hose 26 to be overlapped, and the upper surface 24b of the side frame 24 and The lower surface 24c is welded to each other. On the other hand, the rear frame 25 is fitted into the rear face 26f, the rear flange 26h, and the bottom face 26a of the side linkage 26 from the rear, and the rear face 26f and the rear frame 25 of the side linkage 26 overlap each other.
Is welded to the side surface 25a.

Further, the upper surface 24b of the side frame 24, the upper surface 25b of the rear frame 25, the side reinforcement 2
6 is superimposed on the front flange 26j and the inner flange 26k, and each member to be overlapped with the upper panel 2
1 and the side linkage 26
The lower panel 22 is superimposed on the bottom surface 26a, the lower surface 24c of the side frame 24, and the lower surface 25a of the rear frame 25, and the members to be overlapped and the lower panel 22 are welded together. The upper panel 21 has an opening 21a corresponding to the lock hole 27b opening to the seat lock panel 27.

A belt anchor bolt formed by a stepped bolt screwed into the anchor nut 29a from a bolt hole drilled in the side surface 24a of the side frame 24 and a bolt hole drilled in the side link reinforcement 26. 29b
The outer belt anchor 29 is attached by the following.

Further, a rear bracket 31 serving as a rear support member is provided on the lower surface of the bottom surface 26a of the side link reinforcement 26.
A roller 32 that fits and rolls in the rear rail 13 via the shaft is supported.

The rear bracket 31 has a plate-shaped base 31a that overlaps the lower surface of the bottom surface 26a of the side linkage 29, and a roller support that sequentially projects downward as it moves rearward on the lower surface of the base 31a. The base 31a has a substantially T-shaped cross section including a portion 31b, and a front portion is coupled to the lower surface panel 22 and the bottom surface portion 26a of the side linkage 26 by a bolt 30c whose front portion is screwed to the roller mounting nut 30a. The rear part is the roller mounting nut 30a.
The lower surface panel 22, the bottom surface 26 a of the side reinforcement 26, and the coupling flange 27 g of the seat lock bracket 27 are coupled by bolts 30 c that are screwed into the lower panel 22. The lower end of the roller support portion 31b enters the rear rail 13 from between the opposing upper surface portions 13c of the rear rail 13, and each of the support surface portions 13b of the rear rail 13 and the upper surface portion 13c
And a pair of rollers 32, which are loosely fitted between the rollers and roll on the respective bearing surface portions 13b, are supported via support shafts 31c.

As shown in FIGS. 6 and 7, a locking hook 41 is provided on the lower surface of the lower panel 22 at the center of the slide deck 20, and is located between the upper panel 21 and the lower panel 22. A reinforcement 43 is provided.

The locking hook 41 has a flat central portion 41a which can be overlapped on the lower surface of the lower panel 22, side portions 41b bent downward at both ends of the central portion 41a, and respective side portions 41b. The rear floor 4 and the locking surface 15 of the locking rail 15 are bent substantially horizontally away from the lower end of the
c has a substantially hat-shaped cross-section extending in the front-rear direction and having a locking portion 41c whose tip is movably fitted between the locking portion 41c and the connecting portion 42. Deformation is prevented.

The central portion reinforcement 43 is formed on the upper surface of the lower panel 22 so as to be overlapped with a flat central portion 43.
a, a side portion 43b bent above both ends of the central portion 43a and a mounting portion 43c which is formed so as to be substantially horizontally bent away from the upper end of each side portion 43b and can be superimposed on the lower surface of the upper panel 21; It has a substantially hat-shaped cross section extending in the front-rear direction.

The central portions 41a and 43a of the locking hook 41 and the central linkage 43 are connected to the lower panel 4
2, the bolt 44a and the nut 44
b and is attached to the lower panel 22.

A mounting portion 43c of the central link reinforcement 43 is welded to the lower surface of the upper panel 21 and has an anchor bolt 46a and a nut 46a.
The inner belt anchor 46 is attached by b.

The slide deck 20 constructed as described above
A rear seat 50 is disposed on the upper surface of the vehicle. The rear seat 50 has a front end swingably supported by a hinge 51 a at a front end of the slide deck 20, and has a top panel 21.
As shown in FIGS. 9 and 10, the seat cushion 51 has a seat cushion 51 lying on the top and a seat back 52 swingably supported at the rear end of the seat cushion 51. A seat lock 53 swingably and removably slidably provided in a lock hole 27 b opened in the seat lock bracket 27.
Is biased by a spring 53a in a direction to engage with the lock hole 27b.

On the other hand, as shown in FIG. 1, one end of the seat belt 61 is connected to a vehicle body member near the rear upper side end of the vehicle interior, for example, a rear pillar anchor 58 mounted and supported on the upper end of the rear pillar 9. 9 is connected to a retractor 60 disposed at the lower end of the slide deck 20, and the other end is coupled to an outer belt anchor 29 disposed at a side portion of the slide deck 20. This is a three-point seat belt to which a tongue plate 63 is movably attached and is engaged with an inner belt anchor 46 supported at an intermediate portion of the slide deck 20. Immediately, a shoulder belt and a lap belt are continuously formed by the seat belts 61 stretched between the rear belt anchor 58 and the inner belt anchor 46 and between the inner belt anchor 46 and the outer belt anchor 29, respectively. It is formed by a seat belt.

Further, the slide deck 20 moving along the front rail 11 and the rear rail 13 is moved to a rear end stop position indicated by a solid line in FIG. 1, a front end stop position indicated by a two-dot chain line, and a rear end stop position as required. And a slide deck fixing means (not shown) for fixing at an arbitrary stop position between the rear end stop position and the rear end stop position.

Next, the use of the vehicle provided with the vehicle seat belt mounting structure configured as described above will be described.

For example, as shown by a solid line in FIG. 1, the slide deck 20 is fixed to the rear end stop position by slide deck fixing means.
0, the front portion of the seat cushion 51 of the rear seat 50 is supported by the front end of the slide deck 20 via the hinge 51a, and the rear portion of the seat cushion 51 is supported by the seat lock bracket 2 via the seat lock 53.
7, and is fixed to the vicinity of the rear end of the slide deck 20.

In this state, the rear seat 50 mounted and fixed on the slide deck 20 fixed at the rear end stop position.
A large space is secured by the center floor 2 in front of the vehicle, and a sufficiently large foot space for the occupant of the rear seat 50 is secured, so that the livability is improved.

Further, the occupant of the rear seat 50 pulls out the seat belt 61 from the retractor 60 and locks the tongue plate 63 on the inner belt anchor 46 provided at the center of the slide deck 20, so that the rear belt anchor is provided. A portion of the seat belt 61 stretched between the inner belt anchor 58 and the inner belt anchor 46 is attached as a shoulder belt from one shoulder to the other waist, and between the inner belt anchor 46 and the outer belt anchor 29. The stretched seatbelt 61 is worn as a lap belt.

In the state where the occupant of the rear seat 50 wears the seat belt 61, for example, when an impact load acts on the vehicle body and an impact load of a predetermined value or more acts on the seat belt 61 due to the inertia of the occupant, the seat The load applied to the belt 61 is applied to the rear pillar 9 via the rear belt anchor 58 supporting one end of the seat belt 61 and the retractor 60.
From the upper and lower ends of the vehicle body.

On the other hand, the impact load from the seat belt 61 applied to the outer belt anchor 29 is formed into a highly rigid box shape having a closed cross section by the side link reinforcement 26 and the seat lock bracket 27, thereby securing the rigidity. From the rear end corner of the slide deck 20, the side frame 24, the rear frame 26, the upper panel 21, the lower panel 22, and the like are dispersed and transmitted over a wide area of the slide deck 20. 4 to the entire vehicle body.

The impact load from the seat belt 61 acting on the inner belt anchor 58 is applied to the slide deck 2 whose rigidity is ensured by the central linkage 43.
0 is distributed to the slide deck 20 from the rear center portion of the slide deck 20, transmitted from the locking hook 41 to the locking rail 15, distributed from the locking rail 15 to the entire vehicle body via the rear floor 4, and Deformation near the center of the rear end is avoided or extremely suppressed and is reliably received.

Accordingly, the impact load applied to the seat belt 61 is transmitted from the upper and lower ends of the rear pillar 9 to the rigid body member via the rear belt anchor 58 supporting one end of the seat belt 61 and the retractor 60. At the same time, the outer seat belt anchor 29 and the inner belt anchor 58 are dispersedly transmitted and received in the vicinity of the rear end of the slide deck 20 and in the vicinity of the rear center of the slide deck 20, so that the safety of the occupant of the rear seat 50 is ensured.
The impact load applied to the inner belt anchor 58 is the central linkage 43, the locking hook 41, the locking rail 15
Thus, the required strength and rigidity of the slide deck 20 are reduced, and the stiffening is reduced, and the slide deck 20 is simplified and lightened.

Further, as shown by the two-dot chain line in FIG.
To the front end stop position along the road, and fixed to this position by the slide deck fixing means, so that substantially the entire surface on the rear floor 4 behind the rear seat 50 can be used as a luggage space, and is disposed behind the vehicle body. The loading and unloading of the luggage from the rear gate 8 is facilitated, and the workability of loading the luggage is ensured.

When the slide deck 20 is moved from the rear end stop position to the front end stop position,
The locking portion 41c of the locking hook 41 is movable along the locking rail 15 in the gap between the locking surface 15c of the locking rail 15 and the rear floor 4, and the seat belt 61 is not used. As the slide deck 20 moves, the seat belt 61 is moved from the retractor 60 to the rear end corner of the slide deck 20 and the retractor 60 via the rear belt anchor 58 along the vehicle interior side surface. Since the slide deck 20 is sequentially pulled out and moves along the side surface of the vehicle cabin, the seat belt 61 can easily move the slide deck 20 to the front end stop position without hindering the movement of the slide deck 20.

Conversely, when the slide deck 20 is moved from the front end stop position to the rear end stop position, the retractor 60 is wound up following the movement and easily and smoothly without bending or the like. The slide deck 20 can be moved.

Even when the slide deck 20 is fixed at the front end stop position, the occupant of the rear seat 50 pulls out the seat belt 61 from the retractor 60 and arranges the tongue plate 63 at the center of the slide deck 20 in the same manner as described above. The seat belt 61 is fastened by being locked to the inner seat belt anchor 46, and the portion of the seat belt 61 that is stretched from one shoulder to the other waist of the occupant when the seat belt 61 is fastened, in other words, a shoulder The portion functioning as the belt is substantially the same as when the seat belt is fastened to the front end at the rear end stop position, so that the function as the seat belt is sufficiently ensured, and the effect of wearing the seat belt 61 is brought about as described above.

In a state where the slide deck 20 is fixed at the front end stop position, the seat lock 53 is swung to release the lock between the lock hole 27d of the seat lock bracket 27 and the seat lock 53, thereby releasing the seat cushion 51. The seat back 52 is laid down on the seat cushion 51, and the seat cushion 51 and the seat back 52 are both rotated about 180 ° forward about the hinge 51a. It is also possible to lie on the center floor 2 as shown by a dashed line in FIG. 1 and obtain a substantially continuous luggage space by the lower surface of the rear floor 4, the slide deck 20, and the seat cushion 51.

Upon rotation of the seat cushion 51 from the slide deck 20 to the center floor 2, the seat cushion 51 is moved between the rear end of the slide deck 20 and the retractor 60 via the rear belt anchor 58 along the vehicle interior side surface. The stretched seat belt 61 is maintained in that state, and there is no possibility of affecting the rotation of the seat cushion 51, and the smooth rotation operation of the seat cushion 51 is maintained. Conversely, when the seat cushion 51 is rotated from the center floor 2 onto the slide deck 20 about the hinge 51a, the seat cushion 51 can be smoothly moved without being affected by the seat belt 51.

(Second Embodiment) Next, a second embodiment of the vehicle body structure according to the present invention will be described with reference to FIGS.

FIG. 12 is a side view of a main part showing a rear end corner of the slide deck 20 corresponding to FIG. 4, FIG. 13 is a sectional view taken along line VI-VI of FIG. 12, and FIG.
FIG. 7 is a sectional view taken along the line VII. 12 to FIG. 14 are denoted by the same reference numerals as those in FIG. 1 to FIG. 11, detailed description of the portions will be omitted, and different portions will be mainly described.

The slide deck 20 according to the present embodiment
In the vicinity of the rear end of the side frame 24, an anchor insertion hole 24e in which an anchor nut 66 welded to a later-described rear bracket 65 can be loosely inserted is formed, and a pair of bolts is inserted through the anchor nut insertion hole 24e. A hole is formed, and a nut 67 is welded and connected to the bolt insertion hole.

The rear bracket 65 is connected to the side frame 24.
The upper edge extending along the upper edge of the side frame 24, the front edge and the rear edge hanging down from the front and rear ends of the upper edge, and An anchor bolt insertion hole 65a is formed substantially at the center of the upper part, and the anchor nut 66 is welded and connected to the anchor bolt insertion hole 65a. It is inserted into a bolt insertion hole drilled corresponding to the hole, and is attached to the side frame 24 by an attachment bolt 68 screwed to the nut 67.

Further, at the lower end of the rear bracket 65, as in the first embodiment, each bearing surface portion 13a of the rear rail 13 is provided.
A pair of rollers 32 which are loosely fitted between the upper surface portion 13c and roll on each bearing surface portion 13a are pivotally supported.

An anchor bolt 69 screwed to the anchor nut 66 is a stepped bolt, and the outer belt anchor 29 is swingable by the anchor bolt 69.
Attach it to the rear side.

According to the present embodiment configured as described above, the impact load from the seat belt 61 is applied to the anchor bolt 6.
9 is transmitted directly to the rear rail 13 through the rear bracket 65 and the impact load applied to the slide deck 20 is extremely reduced, and the rigidity of the slide deck 20 can be reduced. Therefore, simplification and weight reduction of the configuration such as omitting the side link reinforcement 26 in the form (1) can be expected.

The relative position of the roller 32 with respect to the slide deck 20 can be adjusted by adjusting the mounting position of the rear bracket 65 with the mounting bolt 68.

When it is not necessary to adjust the mounting position of the roller 32, the rear bracket 65 is attached to the side frame 24.
The structure can be further simplified by omitting the mounting by the mounting bolt 68 by welding.

(Third Embodiment) Hereinafter, a third embodiment of the vehicle body structure according to the present invention will be described with reference to FIGS.

FIG. 15 is a side view of a main part of an automobile showing an outline of the present embodiment. FIG. 16 is a plan view of a main part of FIG.
17 is an enlarged view of a portion D in FIG. 16, and FIG. 18 is a VII in FIG.
It is an I-VIII sectional view. 16 through FIG.
In FIG. 7, the same reference numerals are given to the portions corresponding to those in FIGS. 1 to 14, and the detailed description of the portions is omitted, and different portions will be mainly described.

Reference numeral 71 in the figure denotes a cushion frame of the seat cushion 51 forming the rear seat 50. The cushion frame 71 includes a front frame 71a and a rear frame 7 extending in the vehicle width direction as shown in FIG.
1b, the front frame 71a and the rear frame 71b are formed in a substantially rectangular shape including a pair of side frames 71c for connecting both ends of the rear frame 71b, and further extend forward from a substantially central portion of the rear frame 71b as shown in FIG. A pair of cushion frame linkages 71d and a cushion frame linkage 71e spanned between the front ends of the cushion frame linkages 71d.

Each of the front frame 71a, the rear frame 71b, the side frames 71c, and the cushion frame reinforcements 71d and 71e which form the cushion frame 71 is formed of a lightweight, strong hollow pipe. .

A front bracket 72 is provided along the side frame 71c of the cushion frame 71,
The front of the front bracket 72 is bent downward, and the lower end thereof is fitted in the front rail 11 to be rotatably supported by the roller 36, and the rear end of the front bracket 72 is fitted in the rear rail 13. Roller 3 that can roll
15 is provided, and the rear seat 50 is movably supported along the front rail 11 and the rear rail 13 between a rear end stop position indicated by a solid line in FIG. 15 and a front end stop position indicated by a two-dot chain line. The outer belt anchor 29 is attached to the rear end side of the front bracket 72.

As shown in FIGS. 17 and 18, between the pair of cushion frame linkages 71d, the rear frame 71b and the cushion frame linkages 7d.
1e, a substantially rectangular belt anchor bracket 75 in a plan view having both side ends and front and rear ends bent downwards is erected and connected by welding. An upper surface of the belt anchor bracket 75 is fixed by anchor bolts 46a and nuts 46b. An inner belt anchor 46 is attached.

Further, between the lower surface of the rear frame 71d and the lower surface of the cushion frame reinforcement 71e, both ends 76 are provided.
a are hooked to the rear frame 71d and the cushion frame reinforcement 71e, respectively, and a locking hook mounting bracket 76 extending in the front-rear direction with a substantially U-shaped cross section opened upward is provided. 7
The central portion 41a of the locking hook 41 is attached to and supported by the central portion 76b of the sixth hook 6.

The seat belt 61 is attached to the lower end of the rear pillar 9 via a rear belt anchor 58 which is attached and supported at one end to the upper end of the rear pillar 9 as in the first and second embodiments. The other end is connected to the outer belt anchor 29 disposed on the side of the seat frame 71 while being connected to the retractor 60 disposed so as to be retractable.
A tongue plate 63 movably attached to the center of the seat belt 61 is locked to an inner belt anchor 46 attached to the rear center of the seat frame 71.
It is a point type seat belt.

Next, the use of the vehicle having the vehicle seat belt mounting structure according to the present embodiment configured as described above will be described.

For example, as shown by the solid line in FIG. 15, when the rear seat 50 is fixed at the rear end stop position, a large space is secured by the center floor 2 in front of the rear seat 50 so that the rear seat 50 can be used for a seated person. Sufficient foot space is secured to improve comfort. Also, when loading luggage on the center floor 2,
Is formed on a low floor, so that a sufficient space in the height direction can be secured, and a sufficient luggage placing space can be secured.

Further, the occupant of the rear seat 50 pulls out the seat belt 61 from the retractor 60 and locks the tongue plate 63 on the inner seat belt anchor 46 provided at the center of the slide deck 20, whereby
The seat belt 61 is worn to restrain the upper body and the waist.

In the state where the occupant of the rear seat 50 wears the seat belt 61, for example, when an impact load acts on the vehicle body and an impact load of a predetermined value or more acts on the seat belt 61 due to the inertia of the occupant, the seat The load applied to the belt 61 is transmitted to the rigid body member from the upper and lower ends of the rear pillar 9 via the rear belt anchor 58 and the retractor 60 provided at the rear end corner of the cushion frame 71.

On the other hand, the impact load from the seat belt 61 acting on the outer belt anchor 29 is dispersedly transmitted from the side frame 71c for mounting and supporting the outer belt anchor 29 to the entire seat frame 71, and is transmitted to the side frame 71c. Since the roller 32 that rolls in the rear rail 13 is supported by the rear bracket 73 at the rear end of the combined front bracket 72, the roller 32 is dispersed and transmitted from the roller 32 to the entire rear floor 4 via the rear rail 13, and Local deformation near the rear side end is avoided or extremely suppressed and is reliably received.

The impact load from the seat belt 61 acting on the inner belt anchor 46 is dispersed and transmitted from the belt anchor bracket 75 for mounting and supporting the inner belt anchor 46 to the entire seat cushion frame 71, and the hook hook is attached. The locking rail 41 is transmitted from the locking hook 41 provided on the bracket 76 to the locking rail 15, and
5 is transmitted to the entire vehicle body via the rear floor 4 so that local deformation near the center of the rear end of the cushion frame 71 is avoided or extremely suppressed and is reliably received.

Therefore, the impact load applied to the seat belt 61 is transmitted to the rigid body member from the upper and lower ends of the rear pillar 9 via the rear belt anchor 58 and the retractor 60, and the outer belt anchor 29 and the inner belt The belt anchors 58 are dispersedly transmitted near the rear end of the cushion frame 71 and near the rear center of the cushion frame 71 and received by the rear floor 4, so that the safety of the occupant of the rear seat 50 is ensured.

Further, the rear seat 50 is moved to the front end stop position along the front rail 11 and the rear rail 13 as shown by a two-dot chain line in FIG. Can be used as a luggage space, and the luggage can be easily loaded and unloaded from the rear gate 8 disposed at the rear of the vehicle body.

When the rear seat 50 is moved from the rear end stop position to the front end stop position, the locking portions 4 of the locking hooks 41 are moved.
1c is movable along the locking rail 15 in the gap between the locking surface 15c of the locking rail 15 and the rear floor 4, and the seat belt 61 is not used. As the rear seat 50 moves, the seat belt 6 extends from the state in which the rear seat 50 is stretched between the retractor 60 and the retractor 60 via the rear belt anchor 58.
1 is sequentially pulled out from the retractor 60 and moves along the vehicle interior side surface, so that the seat belt 61
Does not hinder the movement of the rear seat 50 and can easily move the rear seat 50 to the front end stop position.

Conversely, when the rear seat 50 is moved from the front end stop position to the rear end stop position, the retractor 60 is wound up following the movement and easily and smoothly without bending or the like. Can be moved.

Even in a state where the rear seat 50 is fixed at the front end stop position, the occupant of the rear seat 50 pulls out the seat belt 61 from the retractor 60 and arranges the tongue plate 63 at the center of the slide deck 20 in the same manner as described above. The seat belt 61 is fastened by engaging the inner seat belt anchor 46.

In this state, the seat cushion 6a of the front seat 6 and the seat back 6b of the front seat 6 and the seat cushion 51 of the reel seat 50 are lowered by lowering the seat back 6b of the front seat 6 backward as shown by a two-dot chain line in FIG. Can be developed so as to be substantially continuous.

According to the present embodiment, the seat cushion frame 71 functions as the slide deck 20 of the first and second embodiments, and
Compared with the embodiment and the second embodiment, the structure is simplified and the weight is reduced.

The present invention is not limited to the above embodiments, but can be variously modified without departing from the spirit of the invention. For example, in each embodiment, a rear belt anchor 58 provided with one end of the seat belt 61 above the rear pillar 9 is provided.
However, the retractor 60 may be attached to the upper portion of the rear pillar 9 to omit the rear seat belt anchor 58. Alternatively, the rear seat belt anchor 58 may be omitted. Can be attached to and supported by other vehicle body members at the rear of the vehicle body such as rear rails extending along the front rail, and slide inside the front rail 11 and the rear rail 13 instead of the rollers 32 and 36 of the front and rear support members. It is also possible to use a slider that does this.

Further, if required, a two-point seat belt having one end connected to the outer belt anchor 29 and the other end connected to the inner belt anchor 46 may be used instead of the three-point seat belt.

[0105]

According to the invention described above, an outer belt anchor for supporting one end of a seat belt in a vehicle cabin so as to be able to be extended from a vehicle body member near a rear upper side end and for supporting the other end of the seat belt is provided. By providing the rear end corner of the slide deck, when moving the slide deck in the front-back direction, the seat belt is sequentially pulled out from the retractor following the movement of the slide deck,
Alternatively, bending of the seat belt due to being wound up is prevented, so that the slide deck can be moved smoothly, and the occupant of the rear seat pulls out the seat belt from the retractor and pulls the tongue plate out of the slide deck. The seat belt is fastened by engaging with the inner belt anchor provided in the center, and the portion of the seat belt that is stretched from one shoulder of the occupant to the other waist when the seat belt is fastened is the slide deck. Regardless of the moving position, it is almost always the same, and the function as the seat belt is sufficiently maintained.

According to another aspect of the present invention, one end of a seat belt is supported by a retractor so as to be able to be extended from a vehicle body member near a rear upper side end into a vehicle interior, and an outer belt anchor for supporting the other end of the seat belt is cushioned. When the rear seat is moved in the front-rear direction, the seat belt is sequentially pulled out from the retractor or taken up when the rear seat is moved because the rear seat is moved at the rear corner of the frame. This prevents the rear seat from being moved and facilitates the deployment of the rear seat, and achieves the function of the seat belt by wearing the seat belt.

[Brief description of the drawings]

FIG. 1 is a side view of a main part of an automobile showing an outline of a first embodiment of a vehicle body structure of the automobile according to the present invention.

FIG. 2 is a plan view of a main part of FIG.

FIG. 3 is a sectional view taken along line II of FIG. 2;

FIG. 4 is an enlarged view of a portion A in FIG. 1;

FIG. 5 is a sectional view taken along line II-II of FIG. 4;

FIG. 6 is an enlarged view of a portion B in FIG. 2;

FIG. 7 is a sectional view taken along line III-III in FIG. 6;

FIG. 8 is an enlarged view of a portion C in FIG. 1;

FIG. 9 is a sectional view taken along line IV-IV of FIG. 5;

FIG. 10 is a sectional view taken along line VV of FIG. 9;

FIG. 11 is an exploded perspective view of a main part of a rear end corner of the slide deck.

FIG. 12 is a side view of a main part of a slide deck showing a main part of a vehicle body structure according to a second embodiment of the present invention.

13 is a sectional view taken along line VI-VI of FIG.

FIG. 14 is a sectional view taken along line VII-VII of FIG.

FIG. 15 is a side view like an automobile showing an outline of a third embodiment of the vehicle body structure of the automobile according to the present invention.

FIG. 16 is a plan view of a main part of FIG.

FIG. 17 is an enlarged view of a part D in FIG. 16;

18 is a sectional view taken along line VIII-VIII in FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 body floor 2 center floor 3 stepped portion 4 rear floor 9 rear pillar (body member near upper rear end) 11 front rail 13 rear rail 15 locking rail 20 slide deck 21 top panel 22 bottom panel 23 front frame 24 side frame Reference Signs List 25 rear frame 26 side link reinforcement 27 seat lock bracket 29 outer belt anchor 31 rear bracket (rear support member) 32 roller (rear support member) 35 front bracket (front support member) 36 roller (front support member) 41 Locking hook 43 Central link reinforcement 46 Inner belt anchor 50 Rear seat 51 Seat cushion 52 Seat back 58 Rear belt anchor 60 Retractor 61 Seat belt 63 Tongue plate 71 Cushion frame 72 Front bracket 73 Rear bracket

Claims (10)

[Claims] 1. A vehicle body structure having a body floor in which a high floor rear floor is continuously formed via a step portion behind a low floor center floor, wherein the vehicle body is provided on the rear floor along both sides of the rear floor. A pair of rear rails disposed in the front-rear direction, a pair of front rails disposed on the center floor along both sides of the center floor in a vehicle front-rear direction, and a pair of rear rails disposed at both rear corners, respectively. A rear support member movably engaged with the rear rail and a front support member movably engaged with the front rail respectively disposed at both corners of the front end to substantially move between the rear floor and the center floor. A slide deck that can be moved back and forth horizontally, a rear seat provided on the slide deck, and an end that can be extended from a body member near an upper rear end in the vehicle interior. An outer belt anchor provided at the rear end corner of the slide deck to support the other end of the seat belt; and an outer belt anchor provided at the center of the rear end of the slide deck to the seat belt. An automobile body structure comprising: an inner belt anchor that locks a tongue plate movably supported. 2. A locking rail extending substantially in the vehicle width direction on the rear floor and extending in the vehicle longitudinal direction; and a locking rail provided at the center of the rear end of the slide deck. The vehicle body structure of an automobile according to claim 1, further comprising a locking hook movably engaged. 3. A rear central portion of the slide deck, comprising: an upper surface panel and a lower surface panel facing each other; and a central link reinforcement bridged between the upper surface panel and the lower surface panel. 3. The inner belt anchor is connected to the central phosphorus reinforcement via the lower panel, and the inner belt anchor is mounted and supported on the central phosphorus reinforcement via the upper panel. Car body structure. 4. A rear end corner portion of the slide deck is provided between an upper surface panel and a lower surface panel facing each other, and a substantially rectangular box-shaped side which is bridged between the upper surface panel and the lower surface panel and is open at the upper side. A part lock bracket, a seat lock bracket which is formed in a substantially rectangular box shape having an open lower side and which is fitted with the side part reinforcement to form a closed cross-sectional shape, and which is disposed on a side edge of the slide deck. A side frame coupled to the side link reinforcement, wherein the outer belt anchor is coupled and supported by the side link reinforcement and the side frame, and the rear support member is a side link reinforcement and a seat lock bracket. The vehicle body structure of an automobile according to any one of claims 1 to 3, wherein the vehicle body structure is mounted and supported on the vehicle. 5. A rear end corner of the slide deck is provided between opposing upper and lower panels, and a side edge of the slide deck, and is provided between the upper panel and the lower panel. The vehicle body structure according to any one of claims 1 to 3, further comprising a side frame, wherein the outer belt anchor and the rear support member are both mounted and supported on the side frame by anchor bolts. 6. A seat cushion, a front portion of which is swingably supported at a front end of the slide deck and which can be mounted on an upper surface of the slide deck; and a seat back supported by a rear portion of the seat cushion. The vehicle body structure of an automobile according to any one of claims 1 to 5, further comprising: 7. The rear support member includes a rear bracket mounted and supported at a rear end corner of the slide deck, and a roller rotatably supported by the rear bracket and engaged with the rear rail. The front support member includes a front bracket mounted and supported at a front end corner of the slide deck, and a roller rotatably supported by the front bracket and engaged with the front rail. The vehicle body structure according to claim 1, wherein: 8. A body structure of an automobile having a body floor in which a high floor rear floor is continuously formed via a step portion behind a low floor center floor, wherein the vehicle body is provided on the rear floor along both sides of the rear floor. A pair of rear rails disposed in the front-rear direction, a pair of front rails disposed on the center floor along both sides of the center floor in a vehicle front-rear direction, and a pair of rear rails disposed at both rear corners, respectively. A rear support member movably engaged with the rear rail and a front support member movably engaged with the front rail respectively disposed at both corners of the front end to substantially move between the rear floor and the center floor. A rear seat having a cushion frame that is horizontally movable back and forth; An outer belt anchor provided at a rear end corner of the cushion frame to support the other end of the seat belt; and an outer belt anchor provided at the center of the rear end of the cushion frame and movably supported by the seat belt. An automobile body structure comprising an inner belt anchor for locking a tongue plate. 9. A locking rail extending in a vehicle front-rear direction at a substantially central portion in a vehicle width direction on the rear floor, and the cushion frame movable to be locked to the locking rail. The vehicle body structure according to claim 8, further comprising: a locking hook provided at a center of a rear end of the vehicle. 10. A two-point seat belt having one end connected to the outer belt anchor and the other end connected to the inner belt anchor, instead of the seat belt. Vehicle body structure as described.