JPS61119452A - Release apparatus for seat-belt retractor - Google Patents

Abstract

PURPOSE:To emergently rescue a driver by permitting the easy release operation by a rescue worker in case of the collision accident of a car by constituting the captioned apparatus so that the release operation for a seat-belt retractor can be carried-out from the car interior side and outside the car. CONSTITUTION:When the pawl 5 of a retractor body 1 is engaged with a ratchet 4 because of the brake application, etc. for a car, and a seat belt 2 can not be freely taken-up or rewound, an operating knob 9 on the car-interior side is pushed to turn a release lever 11, and an operating rod 13 is pulled-up. Then, a boden cable 14 is pulled to turn an engagement releasing lever 11, and the pawl 5 is released from the ratchet 4, and a spool 3 can be revolved freely. While, when a driver using a belt can not release-operate by himself because of the injury, etc. in case of the collision accident of a car, a rescue worker pushes an operating knob 10 outside the car. Then, a release lever 12 is turned, and the pawl 5 is released from the ratchet 4 by the similar operation to the above-described.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is a release of a seat belt retractor used in an automobile seat belt device! [Regarding]

Conventional technology for manufacturing seat belts for automobiles, for example,
As shown in Publication No. 9920, the opening and closing of the door (;
Accordingly, the seat belt guide member is moved back and forth along the roof sight rail, and the seat belt is automatically attached and removed as the door is opened and closed. It is being

Oh, seat belts like this! ! - A seat belt retractor (2) for winding and unwinding a belt, as shown in, for example, U.S. Pat. An fc type is known in which a release mechanism is attached near the retractor, for example, to a center console box, so that even if the ratchet and pawl are once strongly engaged, the pawl can be removed from the ratchet by modifying the lever operation. .

Problem to be Solved by the Invention When a vehicle crashes, when the person wearing the belt is unable to operate the release mechanism due to injury or other reasons (Secondly, the rescue worker must open the door and go inside the room ( Since two people have to get in and operate the release mechanism, this creates a problem that impedes emergency rescue.

Therefore, in the present invention, the release operation of the seat belt retractor can be performed from either the delivery room side or the outside of the vehicle.
A seatbelt retractor release is provided to facilitate emergency rescue of occupants.

Means for Solving the Problems Retractor body 1: A webbing spool C is provided with a bifurcated ratchet and a pawl disengagement lever that engages and disengages. 'e Two operating knobs, a pair of release levers that are operated by each of these operating knobs, and a pair of release levers that are connected to the disengagement lever via a Bowden cable and are pulled by these release levers to disengage the engagement. A release lever mechanism consisting of an actuating rod that operates the lever is provided.

Operation When the ratchet and pawl of the seatbelt retractor are engaged, the so-called locked state, the delivery room ti11 or fl
When the operating knob is operated from the outside of the IU, the corresponding release lever is actuated to pull the actuating rod. The traction force of this actuating rod allows the Bowden cabling spool to rotate freely.

Example Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 4 shows the arrangement state of the seat belt 2, in which a guide 28 to which one end of the seat belt 2 is connected is engaged with a guide rail 4 installed along a roof sight rail 30.
Motor operated by door switch (all not shown)
When the door 31 opens, one body moves forward and releases the restraint of the seated person, and when the door 31 is closed, one body moves backward and attaches the seat belt 2. The seated person is automatically restrained to the seat 32.

1 is arranged near the floor and winds up the seat belt 2.
The retractor main body that performs rewinding is shown, and the retractor main body 1 is shown in Fig. The pawl 5 is arranged so as to be rotatable.The pawl 5 is activated to detect the deceleration sensor (not shown), and when a deceleration of more than a predetermined value occurs in one vehicle due to a collision, etc. Detection action of the speed sensor: The speed sensor is swung toward the ratchet 4 side, engages with the ratchet 4, restrains the movement of the webbing spool 3, and prevents the belt 2 from being fed out.

7 operates the engagement release lever 6 to release the pawl 5.

A release lever mechanism for removing the ratchet 4 from the ratchet 4 is shown, and the release lever mechanism 7 can be disposed at any part of the body, for example, on the upper side of the center pillar 33. The release lever mechanism 7 has a structure as shown in FIG. , operating knobs 9 and 10 protruding outside the biller actor 8b, and these operating knobs 9.1.
A pair of release levers 11 are operated respectively for the 0 operation.

12, the engagement release lever 6, and the Bowden cable 14.
and an actuating rod 13 that is pulled by the release levers 11 and 12 to actuate the disengagement lever 6. In this embodiment, the release bars 11, 12 are formed in an oval shape, and the long arms 11a, .
12 B intersect in an X-shape, and the short arm portion 11b,
The end portions of the levers 12b are wrapped and rotatably supported on the pace plate 8 at a portion of each lever corner, so that the levers 12b are symmetrically arranged. And lever long arm part 11a
, 12JL are fitted into holding portions 9a and 1Qa formed at the ends of the operating knobs 9 and 100. Actuation rod 13
Holder part 8 b formed on the rr1 pace plate 8
A pin 15 protruding from the upper end thereof is engaged with the upper edge of each lever short arm portion 11b, 12b and suspended. By reducing the size of the entire mechanism 7, the internal space of the center pillar 33 can be narrowly limited and can be placed in the intersecting space. Note that 17 in FIG. knob 9
．． Shows the escutcheon surrounding 10.

Next (two or more embodiments) Functions of the device: Two will be explained.

Eastward braking, etc. (: If the bowl 5 of the retractor body 1 is strongly engaged with the ratchet 4 and the seatbelt 2 cannot be freely retracted 9) When the knob 9 is pushed, the release lever 11 rotates and the actuating rod 13 is pulled up.

As a result, the Bowden cable 14 is pulled and engages W4.
Rotate the removal lever 6 to remove the bowl 5 from the ratchet 4 and allow the spool 3 to rotate freely.

When the blinds collide ζ; Belt wearer may be injured, etc. = 9 When the self-blade cannot be released, when the rescue worker pushes the operating knob IO on the outside of the blind, the release lever 12 rotates and the operating rod is released. 13, rotate the engagement release lever 6 via the Bowden cable 14 in the same manner as described above, and release the bowl 5.
Remove from ratchet 4.

Therefore, the rescue worker can open the door 31 and quickly rescue the occupant.

In the embodiment shown in FIG. 3, the release levers 11A and 12A are straight levers, and these release levers 11A.

12 A, as in the case of the previous embodiment (in order to make the two mechanisms 7 more compact, they are crossed in an X-shape, each end is rotatably supported on the base plate 8, and arranged symmetrically. Release lever 11&, 12Atff operating rod 1
3 are placed between the front and rear levers, and a bottle 15 protruding from the upper end of the actuating rod 13 is engaged with the upper edge of each lever 11A, 12A to suspend the actuating rod 1. Each of the release levers 11A and 12A protrudes outside the pillar inner 33a and pillar outer 33b of the gs center biller 33, and an operating knob 9 is formed at the protruding end thereof.

In addition, in this embodiment, the middle part of the actuating rod 13 (=bin 1
8 is provided in a protruding manner, and one end of the spring 16 is pressed by the pin 18, so that the actuating rod 13. Release lever 11 &
12 A is given the required setting force. Therefore,
In this embodiment, the retractor body 1 is released by pulling up the operation knob 9A or 10A (second step).

In each of the embodiments described above, the release lever mechanism 7 is located at the center pillar 331, but it can also be located at any other location on the plate body, such as the front door, rear door, or back door.

The effect of the present invention is greater than that of the present invention (2) If the present invention is applied, the belt wearer can normally operate the operation knob on the inside of the seat compartment, but the retractor can be released at any time, and the vehicle Even if an occupant is unable to release the retractor using their own blade due to injury or other reasons during a collision, the rescue worker can release the retractor by operating the operating knob on the outside of the vehicle, allowing for quick rescue of the occupant. This has a great practical effect.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of the present invention, Fig. 2 is a perspective view of a release lever mechanism of the same embodiment, Fig. 3 is a perspective view showing a different example of the release lever mechanism, and Fig. 4 is a seat FIG. 3 is a perspective view showing a belt arrangement state. 1... Retractor body, 2... Seat belt, 3...
...Quebingsgur, 4...Ratchet, 5...
- Bowl, 6... Engagement release lever, 7... Release lever mechanism, 9, 9 A, 10, 10k...
Operation knob, 11, 11A. 12, 12. A... Release lever, 13... Operating rod, 14-... Bowden cable.

Claims (1)

[Claims] (1) The retractor body is provided with a pawl disengagement lever that engages and disengages with a ratchet provided on the webbing spool, while two operation knobs are provided on the vehicle interior side and the vehicle exterior side at any part of the vehicle body, A release lever mechanism consisting of a pair of release levers that are each actuated by the operation of these operation knobs, and an actuation rod that is connected to the disengagement lever via a Bowden cable and is pulled by these release levers to operate the disengagement lever. A release device for a seatbelt retractor, characterized in that it is provided with.