JPH057092Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a seat belt device for an automobile.

(Prior Art) Generally, a seat belt device with a shoulder portion is installed on the front seat of a car, such as the driver's seat or passenger seat, in order to prevent the occupant's upper and lower body parts from moving forward in the event of a collision. .

In a seat belt device equipped with such a shoulder portion, one end (upper end side) of the webbing of the shoulder portion is usually inserted and locked into an intermediate hanger (suspension guide plate) that is secured to the upper part of the center pillar, and A seatbelt retractor (for example, ELR type) whose extended end is installed in the vehicle body quarter trim below the center pillar.
(For example, in the 1980s,
(See Publication No. 30849).

(Problem to be Solved by the Invention) However, in the case of such a configuration of the prior art, in the case of a center pillarless vehicle such as a hard top vehicle that does not have a center pillar as described above, the intermediate hanger is This means that it cannot be locked. Therefore, the intermediate hanger is sometimes locked using the roof side rail on the roof side, but in that case, the seat belt is exposed as it is in the window part where there is no center pillar. There is a problem that it gets old and looks very bad.

(Means for Solving the Problems) The present invention was made with the aim of solving the above problems, and includes a wrap portion and a shoulder portion extending upward from the tip end side hook portion of the wrap portion. In the seatbelt device for a front seat of an automobile, the seatbelt device is provided with a seatbelt retractor at one end of the webbing of the shoulder portion, and the seatbelt retractor is provided within a door body of a rear door that is a part of a vertical wall portion of a vehicle interior. On the other hand, a reinforcing member extending in the longitudinal direction of the vehicle body is provided in the door body of the rear door, and the seat belt retractor is attached to the reinforcing member.

(Function) According to the above means, the seatbelt retractor at the shoulder extension end of the front seat side seatbelt is installed in the door body of the rear door that constitutes the vertical wall of the vehicle body. By opening the window, it will not be an obstacle when getting on and off the vehicle, and the window will not be exposed at all, and the appearance will be greatly improved.

Moreover, in this case, a reinforcing member extending in the longitudinal direction of the vehicle body is provided in the door body, which is a part of the vertical wall of the vehicle body, and a seat belt retractor is attached to the reinforcing member, so that the seat belt itself is supported. Rigidity can also be sufficiently improved.

(Embodiment) FIGS. 1 to 3 show an automobile seat belt device according to an embodiment of the present invention.

In FIG. 1, first, reference numeral 1 indicates, for example, the driver's seat S.
This is a three-point seatbelt installed to accommodate the

The seat belt 1 includes a wrap portion 2 that extends between the left and right ends of the waist portion of the driver's seat S and is secured to the waist portion, and one end of the webbing W that extends through the first and second intermediate guide members 3A and 3B. A shoulder portion 5 which is wound so as to be pulled out or retracted into a seat belt retractor 4, which will be described later, and whose other end side of the webbing W is continuous with the distal end side of the wrap portion 2; and the shoulder portion of the wrap portion 2. A first latch (sash guide plate) 6 interposed on the distal end side continuous with the first latch 6 engages with the first latch 6 to secure the lap portion 2 and shoulder portion 5 to the driver's seat S. The first sheet is locked at one end of the sheet.
a second buckle part 7, a second latch 8 provided at the other end of the wrap part 2, and a second buckle part 9 that locks the second latch 8 at the other end of the sheet.
It is composed of.

As shown in detail in FIG. 2, the seat belt retractor 4 is incorporated into the door body 10A of the rear door 10, which constitutes a part of the vertical wall of the vehicle body, as described below.

That is, in FIG. 2, reference numeral 13 is a door outer panel of the rear door 10, and 14 is a door inner panel, and the door body 10A is constructed by integrally joining the door outer panel 13 and the door inner panel 14. Ori,
A door window glass 15 is fitted onto the upper portion of the door window via weather strips 16, 16 so as to be slidable in the vertical direction. In addition, the code|symbol 21 is a guide member of a door glass.

A door trim (trim board) 17 for interior use is integrally joined to the wall surface portion of the door inner panel 14 on the vehicle interior side.
An armrest 18 is formed by partially protruding the armrest 7 toward the vehicle interior. A predetermined space 29 is formed between the door inner panel 14 and the door outer panel 13, and a mounting bracket 11 for mounting the seat belt retractor 4 described above is provided within the space 19. ing.

The bracket 11 is made of a metal member having a U-shaped cross section, and has one end attached to the door inner panel 14.
Further, the other end side is fixed to the side impact bar 19 as a reinforcing member which extends in the longitudinal direction of the vehicle body and is bonded and fixed inside the door outer panel 13 by bolt members 28, 28..., 20, 20..., respectively. It is provided. The side impact bar 19 also functions as a reinforcement member to prevent the door outer panel 13 from being deformed during a collision, and is integrated with a wide flat joint plate 19a by welding to the joint plate 19a. The other end of the bracket 11 is fastened to the back side of the rail member 19b.

The seat belt retractor 4 is fixedly provided inside one end of the bracket 11 on the door inner panel 14 side.

Further, an opening for extending the seat belt webbing W pulled out from the upper part of the seat belt retractor 4 is formed at a position above the seat belt retractor 4 in the upper part of the door trim 17 so as to communicate with the inside of the door body 10A. has been
The opening is provided with the second intermediate guide member (lid member) 3B having a slit 23 corresponding to the cross-sectional shape of the seat belt webbing W. Then, the seat belt webbing W pulled out from the seat belt retractor 4 passes through the second intermediate guide member 3B and further through the guide hole 24 of the first intermediate guide member 3A, as shown in FIG. The shoulder portion 5 is continuous with the shoulder portion 5 described above.

The first intermediate guide member 3A is, for example, a third intermediate guide member.
It has a cross-sectional structure in which a guide hole 24 is formed as shown in the figure, and is attached to the right shoulder portion of the backrest portion 25 of the driver's seat S.

Therefore, when the webbing W of the seat belt 1 is not in use, it is wound and stored in the seat belt retractor 4 inside the door body 10A, while the second latch 8 on the tip side thereof is pulled. When the webbing W is pulled out and the second hook 8 is engaged with the second buckle portion 9 and the first hook 6 is engaged with the first buckle portion 7, the webbing W is pulled out.
As shown in FIG. 1, they are stretched at three points to form the above-mentioned lap portion 2 and shoulder portion 5.

In this state, the shoulder portion 5 extends in the diagonal vertical direction at the position of the backrest portion 25 of the driver's seat. Therefore, unlike the case where the shoulder belt is located close to the window glass portion, it is not very visible from the outside, and the appearance is further improved.

Moreover, since the seat belt retractor 4 is attached via the bracket 11 to a side impact bar 19 as a reinforcing member installed inside the door body 10A so as to extend in the longitudinal direction of the vehicle body, sufficient support rigidity is ensured. Become so.

Next, FIG. 4 shows an automobile seat belt device according to a second embodiment of the present invention.

In the case of this embodiment, a flat plate-shaped reinforcing panel 30 is provided as a reinforcing member extending in the longitudinal direction of the vehicle body, and extends from the hinge connection part for attaching the door to the door lock mechanism part on the other end side. This embodiment is characterized in that a seat belt retractor similar to that of the first embodiment is attached.

That is, the reference numeral 32 is a lower hinge for door coupling that is welded and fixed to the front side end surface of the lower part of the rear door 10 (the folded surface part 40 of the door inner panel 14), and the lower hinge 32 is formed by a bracket member having a U-shaped cross section. It is formed as follows.

On the other hand, reference numeral 30 denotes a long flat reinforcing panel provided inside the door inner panel 14, and the front end 30A of the reinforcing panel 30 is bent into a hook shape, with its bent surface facing opposite to the lower hinge 32. The middle part 30B is joined to the back side of the surface part, and the intermediate part 30B is joined to the side part (approximately at the armrest position) of the door inner panel 14, and the rear end part 30c extends and is joined to the back part of the lock bracket 35.

The lower hinge 32 has bolts 31,
31, the reinforcing panel 30 is integrally fastened and fixed to the front end portion 30A of the reinforcing panel 30, which is joined to the back side of the door inner panel by the reinforcing panel 31.
A seat belt retractor 4 similar to that in the first embodiment is attached to the intermediate portion 30B of
The door inner panel 14 is connected and fixed integrally with the door inner panel 14.

Therefore, according to the configuration of this embodiment, not only can the reinforcing panel 30 itself firmly hold the seat belt retractor 4, but also the rigidity of the hinge joint of the door inner panel 14 is improved and the rigidity of the door itself is improved. It will also be possible to obtain the effect of improving

(Effects of the invention) As explained above, the present invention has a shoulder part extending above the seat from a lap part and a hook part on the tip side of the wrap part, and a seat belt retractor is attached to one end of the webbing of the shoulder part. In the seat belt device for a front seat of an automobile, the seat belt retractor is provided within a door body of a rear door that is a part of a vertical wall of a vehicle interior, and the seat belt retractor is provided within a door body of the rear door that extends in the longitudinal direction of the vehicle body. The present invention is characterized in that a reinforcing member is provided, and the seat belt retractor is attached to the reinforcing member.

Therefore, according to the present invention, the seatbelt retractor at the shoulder extension end of the front seat side seatbelt is installed inside the door body of the rear door that constitutes the vertical wall of the vehicle body, so that the seatbelt can be attached to either the front or rear door. When the vehicle is opened, it will not become an obstacle when getting on and off the vehicle, and the window portion will not be exposed at all, and the appearance of the vehicle will be greatly improved.

Moreover, in this case, a reinforcing member extending in the longitudinal direction of the vehicle body is provided in the door body, which is a part of the vertical wall of the vehicle body, and a seat belt retractor is attached to the reinforcing member, so that the seat belt itself is supported. Rigidity can also be sufficiently improved.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of an automobile seat belt device according to an embodiment of the present invention, FIG. 2 is a partially cutaway perspective view of the device, and FIG. 3 is a sectional view of an intermediate guide member in the device. FIG. 4 is a perspective view of a seat belt device for an automobile according to a second embodiment of the present invention. 1... Seat belt, 2... Wrap section, 4...
Seatbelt retractor, 5...Shoulder part,
6...First latch fitting, 7...First buckle part, 8...Second latch fitting, 9...Second buckle part, 10...Rear door, 10A...Door body part, 11... Seat belt mounting bracket, 1
9...Side impact bar, 30...Reinforcement panel, 32...Lower hinge, W...Webbing.

Claims (1)

[Scope of utility model registration request] In the seat belt device for a front seat of an automobile, the seat belt device has a shoulder portion extending above the seat from a latch portion on the distal end side of the wrap portion, and a seat belt retractor at one end of the webbing of the shoulder portion. The retractor is provided within the door body of the rear door, which is a part of the vertical wall of the vehicle interior, and a reinforcing member extending in the longitudinal direction of the vehicle body is provided within the door body of the rear door, and the seat belt retractor is attached to the reinforcing member. An automobile seat belt device characterized by: