JPH068937Y2 - Vehicle seat belt arrangement structure - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat belt disposition structure, and more particularly to a front seat seat belt disposed in a vehicle having a rear door such as a four-door vehicle. Is.

[0002]

2. Description of the Related Art In a conventional general seat belt device for a front seat of a vehicle, a seat belt winding member is a center pillar of a vehicle body as disclosed in Japanese Utility Model Laid-Open No. 58-48259. The seat belt wound on the seat belt winding member is temporarily extended upward to a position higher than the belt line and then extended toward the front seat occupant via the belt guide. I am trying. However, in such a configuration, there are problems that the seat belt located above the belt line hinders the lateral field of view and deteriorates the appearance. Therefore, for the purpose of reducing the amount of the seat belt visible above the belt line, a seat belt winding member arranged behind the front seat has been receiving attention. In this structure, the seat belt unwound from the seat belt winding member does not extend upward but extends toward the front seat, so that the portion located above the belt line is reduced. become.

[0003]

[Problems to be Solved by the Invention] Further, as described above,
As a seat belt device in which the belt retracting member is located rearward of the front seat, there is, for example, Japanese Utility Model Laid-Open No. Sho 53-165.
As disclosed in Japanese Patent No. 527,527, in a two-door pillarless hardtop vehicle, a belt shoulder portion of a front seat seat belt is rearward of a vehicle body from a seat belt guide provided on a shoulder portion of a seat back. It has been proposed to extend to the side and to make the rear end of this extended portion windable by a belt winding member attached to a vehicle interior panel. In the seatbelt device having this structure, the seatbelt can be arranged below the belt line, so that it has the advantage of being able to prevent a decrease in the lateral field of view and improve the appearance, while the seatbelt is attached to the vehicle interior panel. Since the winding member is attached in a protruding state, there is a drawback that the comfortability of the rear seat is reduced.

Further, as disclosed in Japanese Patent Publication No. 54-7097, the lower end is fixed to the vehicle body and the upper end is freely windable by a seat belt winding member attached to a seat back of a front seat. Provided with a shoulder belt and an automatic winding type traction belt stretched between the seat belt winding member and the rear vehicle body, and the impact load acting on the seat back at the time of collision is provided by the traction belt. Those configured to support are known. However, with such a configuration,
A seat belt winding member is attached to the seat back of the front seat to pull out or wind up the traction belt in accordance with the front-back movement of the front seat, and to lock the traction belt to prevent the pulling out in the event of an automobile collision. Therefore, there is a problem in that the seat belt winding member mounting portion in the seat back projects rearward to reduce the comfortability of the passenger in the rear seat, and when the seat back is tilted by the reclining mechanism. There is a problem that the detection unit malfunctions according to the generated acceleration or the like, and the tow belt is locked by the lock mechanism. Therefore, there is a concern that the tilting operation of the seat back at a predetermined angle or more becomes impossible, the operation of the lock mechanism is delayed when the vehicle collides, and the like.

A structure in which the seat belt winding member as described above is located rearward of the front seat is
When it is applied to a four-door vehicle and the seat belt retractor is attached to the rear door, it is conceivable that an occupant in the front seat may be squeezed by the seat belt when the rear door is opened. In other words, when the rear door is opened, the seat belt attached to the rear door is pulled rearward of the vehicle body due to the hinge center of the rear door, whereby the shoulder portion of the belt is pulled rearward, and this shoulder portion is shouldered by the occupant. In addition, the chest may be pressed, which may cause discomfort to the front seat occupant.

The present invention has been made in view of these points, and prevents the above-mentioned malfunctions.
Another object of the present invention is to provide a structure that can improve the occupant's habitability and can eliminate the feeling of pressure on the front seat occupant due to the seat belt when the rear door is opened.

[0007]

In order to achieve the above-mentioned object, the present invention is designed to increase the sliding resistance of the seat belt with respect to the seat side belt guide so as to increase the sliding resistance of the seat side belt guide. The movement of the seat belt is suppressed. Specifically, the door-side belt guide is provided on the rear door of the vehicle and is arranged behind the front seat in the passenger compartment, and after passing through the inside of the rear door, extends to the front seat side through the door-side belt guide. A seat belt, a seat belt retracting member that allows the end portion of the seat belt to be freely wound and unwound, and is arranged inside a vehicle body member, and a seat side belt guide provided in the front seat. And the door-side belt guide is arranged at a lower position than the sheet-side belt guide.

[0008]

According to the structure of the present invention, when the rear door is opened, the rear door pivots to the outside of the vehicle body, so that the distance between the door side belt guide and the seat side belt guide becomes large. At this time, since the door-side belt guide is located lower than the seat-side belt guide, the seat belt is bent in the V-shape in the seat-side belt guide. The sliding resistance of the seat belt with respect to the seat-side belt guide is large. Therefore, the seat belt on the front side of the seat-side belt guide is not pulled rearward by the rotating rear door, and the seat belt is smoothly drawn out from the seat-belt take-up member and the front seat The seat belt does not give the occupant a feeling of pressure.
Further, since the seat belt winding member is arranged inside the vehicle body member such as the rear door, the seat belt winding member is not located in the vehicle compartment, and the comfortability in the vehicle compartment is improved. Further, since the tilting motion of the front seat does not affect the seat belt winding member, its malfunction is prevented.

[0009]

【Example】

An embodiment of the present invention will be described below with reference to FIGS.

In this embodiment, as shown in FIG.
A seat belt winding member 2 is mounted on a rear door panel 1 of a vehicle, and a seat belt 3 for a front seat that is unwound from the seat belt winding member 2 extends toward a front seat 4. As shown in FIGS. 2 and 3, the rear door panel 1 is formed of an inner panel 5 and an outer panel 6, and
A door trim 7 is provided on the passenger compartment side of the inner panel 5. A rear window glass 8 is vertically movable between the inner panel 5 and the outer panel 6 (see FIG. 3). At the upper edge of the front end of the inner panel 5, a reinforcement 9 is provided outside the vehicle, and an anchor reinforcement is provided at the passenger compartment side.
The bolts 11 and the nuts 12 are fixedly mounted on the cement 10. Both of these reinforcements 9, 10
Have a groove-shaped cross-sectional shape, and form a box-shaped cross-sectional shape facing each other to reinforce the upper edge of the front end portion of the inner panel 5. A seat belt guide member 13 as a belt guide on the door side is fixed to the side surface of the anchor reinforcement 10 on the vehicle compartment side by bolts 14 and nuts 15. The seat belt guide member 13 is formed by forming four mounting feet 13b on the outer periphery of a guide portion 13a of a heart-shaped plate. The guide portion 13a has a guide hole 13 which is edged by a round bar rim 13c.
The d is formed in an arc shape, and three bezel mounting feet 13e are fixed to the surface (see FIG. 2). The seat belt wind-up member 2 is fixed to the inner side surface of the inner panel 5 below the anchor reinforcement 10.
The door trim 7 has a seat belt opening 7a covered by a bezel 16 at a position corresponding to the guide hole 13d.
Is provided. The bezel 16 has the guide hole 13d.
Corresponding to the above, it is a rectangular plate having a seat belt outlet hole 16a formed in an arc shape with a wider width than that, and is fixed to the bezel mounting leg 13e. The seatbelt 3 for the front seat, which is fed upward from the seatbelt winding member 2, extends in the four front seat directions from the rear surface of the guide portion 13a through the guide hole 13d and the seatbelt outlet hole 16a in this order. Then, it is fixed to the vehicle body on both the left and right sides of the front seat 4 via a seat belt guide 4b as an annular seat side belt guide fixed to an upper corner of the seat back 4a of the front seat 4 ( (See FIGS. 1 and 2).

In the present embodiment having the above-mentioned structure, the load acting on the guide portion due to the guide of the seat belt 3 and the sudden occupant of the front seat acting on the guide portion via the seat belt 3 due to a sudden stop or the like. The tensile force is supported by the edge metal 13c of the guide hole 13d with which the seat belt 3 contacts and the seat belt guide 4b of the front seat 4,
The seat belt outlet hole 16a of the bezel 16 which is formed corresponding to the guide hole 13d and does not contact the seat belt 3 is hardly supported. Therefore, the seat belt outlet hole 16a is prevented from being deformed by the seat belt 3. Further, here, the inner panel 5 is reinforced by the both reinforcements 9 and 10 to ensure sufficient rigidity. The guide hole 13d and the seat belt outlet hole 16a are formed in an arc shape in order to prevent the seat belt 3 from being twisted when the seat back 4a is tilted back and forth.

A feature of this embodiment is the position where the seat belt guide 4b and the seat belt guide member 13 are arranged. The seat belt guide 4b is erected on the right side of the upper surface of the seat back 4a of the front seat 4, and is drawn out from the seat belt winding member 2 so that the seat belt outlet hole 16a of the bezel 16 is provided. A belt insertion portion 4c is provided so that the passed seat belt 3 can be extended to the front side of the occupant. And the seat back 4a
Since the upper surface of the seat is located above the belt line B of the rear door panel 1, the seat belt guide 4
b is also located slightly above the belt line B of the rear door panel 1. On the other hand, since the seat belt guide member 13 is attached to the inner panel 5 of the rear door panel 1 via the anchor reinforcement 10, it is below the belt line B of the rear door panel 1.
Further, it is located rearward of a predetermined size from the seat belt guide 4b. Since the seat belt guide 4b and the seat belt guide member 13 are arranged in such a position, when the seat belt 3 is mounted, as shown in FIG. The fed-out sheet belt 3 is a sheet belt guide member 13
After passing through the guide hole 13d and the seat belt outlet hole 16a of the bezel 16, the seat belt guide 4b is extended obliquely upward toward the belt insertion portion 4c. In this state, the seat belt 3 is bent at a slight bending angle by the edge metal 13c of the guide hole 13d of the seat belt guide member 13. The seat belt 3 extending toward the belt insertion portion 4c through the seat belt outlet hole 16a is bent at the belt insertion portion 4c with a large bending angle into a dogleg shape.
It extends diagonally downward toward the seat belt anchor 17. Since the seat belt 3 is arranged in such a state, the seat belt guide member 1 is prevented from moving in the longitudinal direction due to the winding and unwinding of the seat belt 3.
The resistance at the periphery of the guide hole 13d of No. 3 is relatively low, while the belt insertion portion 4 of the seat belt guide 4b.
The resistance at c is relatively high.

Next, the characteristic operation of this example will be described. The characteristic operation of this example is the opening operation of the rear door. The state in which the rear door panel 1 is closed and the occupant in the front seat 4 is wearing the seat belt 3 (see FIG. 1).
When the occupant tries to get in and out of the rear seat (not shown) from the state shown in (1) and opens the rear door panel 1, the distance between the seat belt guide 4b and the bezel 16 becomes large. That is, the length of the seat belt between the seat belt guide 4b and the seat belt winding member 2 needs to be long. And in such a situation, as described above, the sea
Since the resistance of the belt insertion portion 4c of the belt guide 4b is relatively high, the sheet belt guide 4b
The seat belt 3 on the front side of the vehicle, that is, the seat belt 3 in contact with the shoulder and chest of the occupant is not pulled by the movement of the rear door panel 1, and the seat belt 3 is not pulled.
Since the resistance at the periphery of the guide hole 13d of the belt guide member 13 is relatively low, the sheet belt 3 is smoothly fed out from the sheet belt winding member 2 to replenish the required length. As described above, according to the configuration of this example, when the rear door is opened, the occupant wearing the seatbelt 3 in the front seat 4 does not feel a sense of pressure by the seatbelt 3, and the front seat does not have a feeling of pressure. It does not cause the discomfort of the passenger of No. 4. Further, according to the configuration like this example,
Even if the front seat 4 is tilted, the operation of the seat belt take-up member 2 does not affect the seat belt take-up member 2, and the seat belt take-up member 2 does not malfunction. Has been secured. Further, since the seat belt winding member 2 is housed inside the rear door, the occupancy of the rear seat occupant is sufficiently ensured.

[0014]

As described above, according to the present invention, the door side belt guide is disposed below the seat side belt guide, and the sliding resistance of the seat belt with respect to the seat side belt guide is increased. Since the seat belt is made larger, the seat belt is not pulled backward when the rear door is opened, and the passenger in the front seat is not squeezed by the seat belt. Pleasure is avoided. Further, since the seat belt winding member is arranged inside the vehicle body member such as the rear door, the habitability in the vehicle compartment can be improved. Further, since the tilting movement of the front seat does not affect the seat belt winding member, the malfunction thereof is prevented and the safety can be ensured.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a vehicle interior.

FIG. 2 is an exploded perspective view around a seat belt guide member.

FIG. 3 is a cross-sectional view around a seat belt guide member.

[Explanation of symbols]

1 Rear Door Panel 2 Seat Belt Winding Member 3 Seat Belt 4 Front Seat 4b Sheet Belt Guide (Seat Side Belt Guide) 13 Sheet Belt Guide Member (Door Side Belt Guide)

Claims (1)

[Scope of utility model registration request] 1. A door-side belt guide provided on a rear door of a vehicle and arranged behind a front seat in a vehicle compartment, and after passing through the inside of the rear door, extends to the front seat side through the door-side belt guide. A seat belt, a seat belt retracting member that allows the end portion of the seat belt to be freely wound and unwound, and is arranged inside a vehicle body member, and a seat side belt guide provided in the front seat. The seat side belt guide is disposed below the seat side belt guide.