JPH0818530B2 - Seat belt anchor mounting structure for automobiles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a seat belt anchor for an automobile, in which a seat belt anchor locked to an end portion of a seat belt is attached to a side sill on a side of a seat rail. Related to the mounting structure.

[Conventional technology]

Generally, in an automobile, as shown in FIG. 4, for example, in a front seat, a seat slider 1 is movably supported on a seat rail 1, a seat 3 is attached to the seat slider 2, and a seat 3 position is set. It is adjustable back and forth. Further, the automobile is provided with a seat belt 4 which is passed around an occupant seated on the seat 3. The end portion of the seat belt 4 is fixed to the sill inner 6 of the side sill 5 located on the side of the seat rail 1 via a seat belt anchor.

The seatbelt anchor mounting structure is, for example, as shown in FIG. 5, a seatbelt anchor 7 locked to an end of the seatbelt 4, a sill inner 6 and a bolt 8 attached thereto.
And some are attached with nuts 9. Reference numeral 10 is a floor panel, and 11 is a nut plate.
(See publication 9).

In this structure, when the seat 3 is moved back and forth, the seat belt anchor 7 and the seat 3 are relatively displaced. Depending on the position of the seat 3, the seat belt 4 may not be properly passed over the occupant.

Therefore, in the prior art, as shown in FIGS. 6 and 7, there is a sill inner 6 to which a slide bar 12 parallel to the seat rail 1 is attached, and a seat belt anchor 13 is slidably attached to the slide bar 12. It is considered. The slide bar 12 is fixed to the sill inner 6 with bolts 14 and nuts 15 at both ends thereof. And
Along with the movement of the seat 3, the seatbelt anchor 13 is manually moved to bring the seatbelt anchor 13 to an appropriate position (see Japanese Utility Model Laid-Open No. 60-144552).

[Problems to be Solved by the Invention]

However, in the above-described conventional structure for mounting the seat belt anchor 13, although the seat belt anchor 13 is movable, it is easy to move when a force acts on the seat belt 4 and easily deviates from the proper position. At the same time, even if the seat belt anchor 13 is moved and adjusted by hand, it may not always be possible to set the proper position, which is a disadvantage that the setting is uncertain. Further, since the seat belt anchors 13 must be adjusted one by one, there is a problem that the adjustment work is complicated. Furthermore, since the slide bar 12 projects into the vehicle compartment, there is a problem that the interior space of the vehicle is narrowed and the appearance is impaired.

Therefore, an object of the present invention is to ensure that the seatbelt anchor can be set to an appropriate position without performing adjustment work, and further to prevent the vehicle interior space from being narrowed and improve the appearance. In point.

[Means for solving the problem]

A technical means of the present invention for solving such a problem is to provide a closed cross section of a seat belt anchor, which is locked to an end portion of a seat belt, on a side of a seat rail that movably supports a seat slider. In a structure for mounting an automobile seat belt anchor that is attached to a side sill, a slide rail that is substantially parallel to the seat rail is fixedly installed in the side sill, and a slide that can move along the slide rail is attached to the slide rail. A member is attached, an opening is formed in a portion of the side sill facing the seat rail, and the seat belt anchor is attached to the slide member through the opening so that the side sill directly receives the load from the seat belt anchor. And the slide member are connected by a connecting member that can be linked to the movement of the seat slide. Those were.

[Action]

According to this means, when the seat slider is moved with respect to the seat rail in order to adjust the seat position back and forth, the slide member is fixed to the seat slider via the connecting member, and therefore the slide member is integrated with the seat slider. Move the slide rail. As a result, the seat belt anchor is linked with the seat slider. for that reason,
The seat belt anchor moves while maintaining the proper position with respect to the seat.

At the seat slider stop position, the seat belt anchor and slide member are fixed to the seat slider via the connecting member, so they do not move even if force is applied to the seat belt, and they are always held in proper positions. To be done. Further, when a force is applied to the seat belt, the seat belt anchor is a slide member and is attached to the slide rail fixed to the side sill, so that the load can be directly and strongly received by the side sill. At this time, the slide member and the seat slider are connected by the connecting member, but the force applied to the seat belt anchor is received by the side sill and is not applied to the connecting member and the seat slider. Does not occur.

〔Example〕

Hereinafter, a structure for attaching a seat belt anchor for a vehicle according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 1, in a vehicle to which this embodiment is applied, a front seat will be described as an example. A seat slider 2 is movably supported on a seat rail 1 and a seat is mounted on the seat slider 2. 3 is attached so that the seat 3 position can be adjusted back and forth. The seat rail 1 is fixed to the floor panel 10 at both front and rear ends thereof.

The side sill 21 located on the side of the seat rail 1 has a sill inner 22 and a sill outer 23 joined at their upper and lower edges by welding or the like to form a closed cross section, as shown in FIGS. 1 to 3. ing. Further, a plate-shaped reinforcement 24 is sandwiched between the sill inner 22 and the sill outer 23.
Inside the side sill 21, a slide rail is provided substantially parallel to the seat rail 1 on the inner side surface of the reinforcement 24 in the passenger compartment.
25 are fixed. As shown in FIG. 3, at the longitudinal end of the slide rail 25, one end 25a thereof is fixed to the cross member 26, and the other end 25b thereof is fixed to the reinforcement 24 so as to overlap the center pillar 27. . The slide rail 25 is an elongated member having a U-shaped cross section, and outward flanges 28 extending from both open ends of the elongated member. Further, a slide member 30 movable along the slide rail 25 is attached to the slide rail 25. The slide member 30 is a flat surface portion that faces the seat rail 1.
An engaging portion 30b which has a portion 30a and which engages with the outward flange 28 of the slide rail 25 extends from the upper and lower ends of the flat portion 30a. Due to the engagement of the engagement portion 30b, the slide member 30
Is prevented from slipping out into the passenger compartment. Furthermore, the sill inner 22 of the side sill 21 is provided with an opening 31 at a portion facing the seat rail 1.

The seatbelt anchor 20 is formed of a rod-shaped plate material, and one end 20a thereof is locked to the end 4a of the seatbelt 4. The seat belt anchor 20 has the opening 31 so that the other end 20b reaches the flat surface portion 30a of the slide member 30.
Is passing through. The other end portion 20b is attached to the flat surface portion 30a of the slide member 30 with a bolt 32 and a nut 33. Reference numeral 34 is a nut plate.

A connecting member 37 that extends toward the seat slide 2 and connects the slide member 30 and the seat slide 2 is integrally provided at the other end 20b of the seat belt anchor 20. A tip portion 37a of the connecting member 37 is fixed to the seat slide 2 with a bolt 35 and a nut 36. This fixed position is set so that the seat belt anchor 20 has an appropriate positional relationship with the seat 3.

Therefore, when adjusting the position of the seat 3 back and forth, the seat slider 2 is moved with respect to the seat rail 1 and positioned at an appropriate position. In this case, since the slide member 30 is fixed to the seat slider 2 via the connecting member 37, the slide rail 30 is moved by the movement of the seat slider 2.
25 The upper part is interlocked with the seat 3, so that the seat belt anchor
20 is linked with the seat slider 2. Therefore, the seatbelt anchor 20 moves while maintaining the proper position with respect to the seat 3, and is always set to the proper position at the stop position of the seat slider 2. Also,
Since the seatbelt anchor 20 moves together with the seat slider 2, it is not necessary to move the seatbelt anchor 20 by hand, and no special adjustment work is required. Further, at the stop position of the seat slider 2, the seat belt anchor 20 and the slide member 30 are fixed to the seat slider 2, so that even if force is applied to the seat belt 4, the seat belt anchor 20 and the slide member 30 do not move and are always in proper positions. Held in.

When a force is applied to the seat belt 4, the load is the seat belt anchor 20, the slide member 30, the slide rail 25.
And is transmitted to the side sill 21 via the reinforcement 24. In this case, since the slide rail 25 overlaps the cross member 26 and the center pillar 27 at the end thereof, the load is easily transmitted to the cross member 26 and the center pillar 27. Therefore, the slide bar is fixed to the conventional sill inner. It has a higher strength than other products, can reliably receive loads, and improves safety.

Furthermore, the slide member to which the seatbelt anchor 20 is attached and the slide rail 25 do not project into the vehicle compartment inside the side sill 21, so that the vehicle interior space is narrowed and the appearance is impaired. There is no.

〔The invention's effect〕

As described above, according to the seat belt anchor mounting structure for an automobile of the present invention, when the seat position is adjusted back and forth, the seat belt anchor works in conjunction with the seat slider. By moving while maintaining the proper position for the seat,
At the stop position of the seat slider, it is always set at an appropriate position. Therefore, it is not necessary to move the seat belt anchor one by one, and no special adjustment work is required. Further, since the seat belt anchor is fixed to the seat slider via the connecting member at the stop position of the seat slider, the seat belt anchor does not move even when a force is applied to the seat belt and is always held at an appropriate position. be able to. Further, when a force acts on the seat belt, the load is directly received by the side sill having a closed cross-section having high strength, so that the load can be reliably received. At this time, the slide member and the seat slider are connected by the connecting member, but the force applied to the seatbelt anchor is received by the side sill and is not applied to the connecting member and the seat slide. Does not occur. Furthermore, the slide member and slide rail to which the seatbelt anchor is attached do not project into the passenger compartment inside the side sill, thus preventing the situation where the passenger compartment space is narrowed and the appearance is impaired. There are various effects such as being possible.

[Brief description of drawings]

FIG. 1 is a cross-sectional perspective view showing a mounting portion structure of an automobile seat belt anchor according to an embodiment of the present invention, and FIG. 2 is a view in FIG.
II sectional view, FIG. 3 is an overall plan view of III in FIG. 1,
FIG. 4 is a perspective view showing a seat portion of an automobile to which the present invention is applied, FIG. 5 is a sectional view showing an example of a mounting portion structure of a conventional automobile seat belt anchor, and FIG. 6 is a conventional automobile seat. Sectional drawing which shows the other example of the attachment part structure of a belt anchor,
FIG. 7 is a VII view in FIG. 1 …… Seat rail 2 …… Seat slider 3 …… Seat 4 …… Seat belt 20 …… Seat belt anchor 21 …… Side sill 25 …… Slide rail 30 …… Slide member 31 …… Opening 37 …… Coupling member

Claims (1)

[Claims] 1. A vehicle seat in which a seatbelt anchor locked to an end portion of a seatbelt is attached to a side sill having a closed cross-section located on a side of a seat rail that movably supports a seat slider. In the mounting structure of the belt anchor, a slide rail that is substantially parallel to the seat rail is fixed in the side sill, and a slide member that can move along the slide rail is attached to this slide rail, and the slide rail faces the seat rail of the side sill. An opening is made in the part, the seat sill anchor is attached to the slide member through the opening so that the side sill directly receives the load from the seat belt anchor, and the slide member and the seat slider can be interlocked with the movement of the seat slide. Seat bells connected by various connecting members Mounting portion structure of the anchor.