JPS6019001Y2 - Passive seat belt device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a door sash anchor one-type passive seat belt device that fixes one end of a shoulder belt to a door sash.

One end of the shoulder belt is fixed to the door sash, and when the door is opened, the shoulder belt is pulled out from the tractor, and the shoulder belt is moved along with the door to the outside of the vehicle body and to the front, releasing the occupant from the restraint, and opening the door. When the shoulder belt is closed, the shoulder belt is wound back onto the tractor and the occupant is restrained.In conventional passive seat belt systems, the door satush anchor is used to restrain the occupant in order to improve ease of getting on and off. It would be possible to place the anchor near the upper end of the door sash so that the end of the shoulder belt is in a high position, but if this is done, the position of the anchor will be high when the shoulder belt is attached, and it may not be placed in the optimal position.

For this reason, an anchor to improve the fit of the shoulder belt was attached to the middle of the door sash, which resulted in a problem of poor ingress and egress.

The present invention has been made to solve the above-mentioned conventional problems, and the object is to provide a passive seat belt device that can be worn at an optimal position and has good ease of getting on and off.

The present invention will be described below with reference to illustrative embodiments.

11 is an automobile door; 12 is a door sash; a rear sash portion 12a of the door sash 12 is provided with an anchor portion 13 fixed at a position at the height of an occupant's shoulders; is one end 1 of the shoulder belt 14
4a is fixed, and the other end 14b of the shoulder belt 14
is attached to a retractor 15 provided in a tunnel section (not shown) in the center of the vehicle body floor so that it can be rewound and pulled out.

A guide rail 17 extending upward from the anchor portion 13 and having a stopper portion 17a at the upper end is provided on the rear sash portion 12a, and a slider is fitted into the guide rail 17 so as to be slidable in the vertical direction. 18 are provided,
The slider 18 is provided with a guide through 16, and the shoulder belt 14 is inserted through the guide through 16.

The drive device includes a drive motor 19 that is activated by turning on and off a door switch (not shown) that is turned on and off by opening and closing the door, a worm 20 attached to the drive motor 19, and a worm 20. Worm gear 2 meshing
2, and a geared wire 23, the geared wire 23 meshes with the drive gear 21, and is configured to perform pulling and pushing operations by the operation of the drive motor 19.

A base end of a wire 24, which is a flexible linear member, is connected to one end of the geared wire 23, and the other end is a free end, and these are provided below in the door panel lla of the door 11. .

The tip of the wire 24 is attached to the slider 18.

A guide member 25 is provided at the upper end 12a' of the rear sash part 12a to change the direction of the wire 24 toward the driving part.
A guide member 37a is provided at the front end of the upper sash portion 12b and the lower end of the front sash portion 12c of the door sash 12 so as to move the wire 24 along the door sash 12.

37b is provided, and the intermediate portion of the wire 24 is slidably inserted through the guide members 25, 37a, and 37b.

26 is a guide pulley, 27 is a guide hole for guiding the wire 24 into the door panel lla, and 28 is a hook member, the end of which is sandwiched between the door sash 12 and the anchor part 13, and the tip thereof When the door 11 is closed, it engages with a recess 29a formed in the center pillar 29 of the vehicle body.

30 is a door glass.

In this embodiment, a hook member that engages with the recess of the center pillar is provided at the fixing part of a part of the anchor, and the input of the shoulder belt applied to the part of the anchor is received by the center pillar and the door sash, so that the door sash deforms. can be prevented to a minimum.

In the above embodiment, the intermediate portion of the wire 24 is connected to the guide member 2.
5, and is arranged along the door sash 12, as shown in FIG. 32 may be provided, and the wire 24 may be passed through the through hole 32a.

When done in this way, the wire 24 is not visible, resulting in a better appearance.

Now, when door 11 is opened, the door switch (not shown) turns to O.
N, the drive motor 19 operates, and the geared wire 2
Pull 3.

Therefore, the slider 18 is also pulled via the wire 24 and moves upward, and the guide through 16 also moves upward, so that the shoulder belt 14 is also pulled upward.

When the slider 18 reaches the upper end of the guide rail 17, it comes into contact with a limit switch (not shown) provided on the stopper portion 17a to stop the drive motor 19.

Next, when the door 11 is closed, the door switch (not shown) is turned on again.
is turned on, and the drive motor 19 rotates in the opposite direction to that described above to push back the geared wire 23.

As a result, the wire 24 becomes slack, and the shoulder belt 14 is pulled by the winding force of the retractor 15.
The guide through 16 begins to move down together with the slider 18.

When the slider 18 descends to the lower end of the guide rail 17, it comes into contact with a limit switch (not shown) provided at the lower end of the guide rail 17, thereby stopping the drive motor 19.

In the above embodiment, the wire 24 is pulled by a drive device consisting of a drive motor 19, a gear wire 23, etc., but as shown in FIG. Fixed 34, door 1
The wire 24 may be pulled by a stroke H difference of 1 degree.

35 and 36 are guide boobies. In this case, the structure of the drive device becomes simple, but the amount by which the guide through 16 can be pulled up is limited.

As described above, according to the present invention, the shoulder belt is pulled upward when the door is opened, so the shoulder belt does not get in the way when getting on and off, making it easier to get on and off. In addition to this, a part of the anchor can be attached to the door sash at a relatively low position near the height of the occupant's shoulders, so that the shoulder belt can be installed in a good condition.

In addition, the shoulder belt is activated so that it comes down from above the occupant's shoulders when the door is closed, and it no longer only moves horizontally from the side as in the past, so there is less risk of it getting caught on the occupant's arms or neck. , can be hung at the appropriate position on the shoulder.

Furthermore, according to the present invention, since the slider provided with the guide through through which the shoulder belt is inserted is driven by a flexible linear member such as a wire, the slider is driven by a flexible linear member such as a wire. It has the advantage that it can be installed in a relatively narrow door sash.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the passive seat belt device according to the present invention seen from inside the door of a car, Fig. 2 is an enlarged cross-sectional view of the main parts showing the relationship between the hook and the center pillar, and Fig. 3
The figure is an enlarged sectional view taken along the line I-I in Fig. 1, Fig. 4 is an enlarged longitudinal sectional view of the main part showing another example of wire attachment, and Fig. 5 is an enlarged cross-sectional view of the main part showing another example of the drive device. It is a front view.

Claims (1)

[Scope of utility model registration request] A part of the anchor fixed at the height of the shoulder of the occupant is provided in the rear part of the door satchel, one end of the shoulder belt is fixed to the part of the anchor, and the other end is attached to the center of the vehicle such as the floor. In a door sash anchor part type passive seat belt device that is installed or attached to a tractor, a guide rail is provided on the rear sash and extends upward from the anchor part, and a sliding seat is inserted into the guide rail. A slider is provided, and the tip of a flexible linear member such as a wire is attached to the slider, and the tip of a flexible linear member, such as a wire, is connected to a drive unit that operates to pull and push out when the door is opened and closed. A guide member for changing the direction of the sexual wire member in the direction of the drive device is provided at the upper end of the rear sash, and the slider can be slid in the vertical direction along the guide rail,
A passive seat belt device, wherein the slider is provided with a guide through, and the shoulder belt is inserted through the guide through.