JPS5851644Y2 - Passive belt device - Google Patents

Description

[Detailed description of the invention] This invention adjusts the restraint position of the restraint belt in response to the opening and closing of the door.
Passive belt devices, especially diagonal belts, can easily perform displacement between release positions without using a mechanical or electrical drive mechanism, and when safety is required, artificial lap belts can be used to improve the safety of the lower back. The present invention relates to a passive belt device equipped with both belts that can be measured in a number of ways.

Conventionally, in passive belt devices, when the belt is transferred in response to the opening and closing of a door, the transfer is generally performed using a mechanical drive including an amplification mechanism or an electric drive means such as a motor. Buttons have been employed, such as pull wires driven by motors, racked wires, or pull tapes connected to a widening mechanism.

However, these systems are disadvantageous in terms of cost and increase in the number of parts for the entire mechanism because they are parts tanks for various drive mechanisms.

For this reason, the inventor of the present invention had been conducting various studies on simplifying the transfer mechanism, and was searching for a method that would eliminate the drive means.
The opening/closing operation of a door is performed with a relatively sudden force, and considering that it is often performed with a relatively strong force especially at the beginning of the opening operation or the beginning of the closing operation of an opened door, it is difficult to It was discovered that there is no need to use any particular driving means for the movement of the belt, and the restraint belt is slidably supported only by the opening and closing movements of the door. I previously proposed a device that would allow for teleportation.

However, as this device is used repeatedly, the banger is used to support the belt insertion, which puts strain on the sliding movement between the banger and the guide rail, weakening the movement and causing slippage between the banger and the belt. It was found that the operating force when opening and closing the door tends to be reduced, and as a result of trying to improve this, it was found that if the slider slides smoothly, a simple connection using a connecting device such as connecting tape can be used effectively. Knowing what to expect, one end of the guide tape was connected to a slider sliding a guide rod attached to the door, and the other end was pulled out from an emergency locking retractor housed inside the door through an upper deflection ring. , a device fixed at a required point on a restraint belt that is hung across a tongue that is removably connected to a buckle stalk located at an inner side fixed position on the side of the seat, and as a partial improvement thereof, the above-mentioned device. One end of the guide tape that is to be buttoned on the device is fixed to the restraint belt fixing point, the other end is looped around the guide member, and the end is attached to a freely movable ring that is fitted on the restraint belt near the door release side. We proposed a fixed device.

However, even though the expanded boarding and alighting space makes it easier for passengers to board and exit the vehicle, and the knee pads in front of the seats combine to provide sufficient passenger safety performance under normal circumstances,
When the driving surface is extremely uneven, some passengers may feel that the simple mechanism is lacking.
Sometimes a stronger belt restraint condition is desired.

In particular, the human psychology of desiring such strong belt restraint varies widely depending on the characteristics of the occupant even when the vehicle is not traveling on an extremely uneven driving surface, and some people still have the same desire.

This invention was proposed in response to the above-mentioned actual situation and passenger psychology, and in response to the demands of users who desire greater safety while maintaining the features of the diagonal belt.
The guide tape hook proposed earlier is characterized by combining a diagonal belt with a lap belt mechanism that can be attached to and detached from the rotating diagonal belt as appropriate.

The specific details of the belt device of the present invention will be explained in detail below with reference to the accompanying drawings.

1 and 2 are perspective views showing one example of a passive belt device using the device of the present invention, and FIG. 3 is a partially enlarged view thereof.

In each of these figures, 1 is a door, 2 is a guide rod, 3 is a slider, 5 is a diagonal belt, and 7 is a turning ring. A guide tape 15 is connected to a slider 3 that slides on a guide rod 2 attached to the door 1. , the other end is pulled out from the emergency lock type retractor 6 stored inside the door through the upper turning ring 7, and is removably engaged with the buckle stalk 9 located at the inner fixed position on the side of the seat 10 of the vehicle body 4. Tong 8 with locking pin 8'
The diagram shows a configuration in which the belt is connected to a required point on the restraint diagonal belt 5, which is stretched over the length of the restraint diagonal belt 5. The sum of the lengths is slightly longer than the length connecting the inner side fixed position and the door hinge side front open position when the door is fully opened.

The guide tape 15 is normally non-stretchable, but a relatively strong narrow tape of a predetermined length is used, and in the illustrated example, one end of the guide tape 15 is connected to the occupant restraint from the inner side fixed position of the restraint diagonal belt 5. It is fixed 11 by sewing or the like at a possible length point, and is inserted into the belt insertion hole 3a formed at the lower end of the slider 3, which is slidably attached to the other end side or the guide rod 2, and is folded back. After the hook is turned in a U-shape, the ring 16 is movably fitted on the restraining diagonal belt at a position closer to the turning ring T on the door opening side than the fixed position 11, and is fixed at an appropriate position. There is.

Therefore, the connector is substantially supported at two points by both open ends of the guide tape 15 folded back in a U-shape.
The points are moved away from each other or closer together depending on the position of the ring 16.

Of course, in the illustrated example, only one guide tape 15 is shown, but in practice, it is possible to use a plurality of guide tapes to increase the strength. 3 is used, and the guide tape 15 is hooked and turned around the belt insertion hole 3a, but the slider 3 is not necessarily essential, and it is also possible to turn the hook directly to the guide rod 2 so that it can slide freely. do not have.

Therefore, in the passive belt configuration as described above, the present invention further includes an emergency lock type retractor at the bottom of the door opening side.
12, wrap the lap belt 13 around it and store it,
Attach a tong 14 having a series of locking holes 14' that can be connected to and disengaged from the locking pin 81 of the tongs 8 as appropriate to the pulled-out end, and pull out the lap belt 13 as necessary.
4 can be connected to the locking pin 8 of the tongue 8 of the diagonal belt 5.

In the above connection means, a locking pin is shown on the diagonal belt 5 side and a locking hole 14' consisting of large and small connecting holes is shown on the lap belt side 13 side, but this is the case in the opposite case, that is, the diagonal belt side is locked. There is no problem even if the hole is used as a hole and the lap belt side is used as a locking pin to form a configuration in which both can be engaged and detached.

In addition to the connecting means, the mounting position of the emergency lock type retractor 12 on the lap belt 13 side is not limited to the lower end on the door opening side, but on the side of the vehicle, outside the seat of the seat as shown in Fig. 4. It can be easily attached and applied to the vehicle floor at or near the side.

However, if the retractor 12 is attached to the lower part of the door opening side, the diagonal belt 5 is moved to the release position when the door is opened, and the space for passengers to get in and out can be widened. Of course, the former case is more effective since the function as a passive heald is partially diminished if it is attached to the side or to the floor of the vehicle.

However, in the belt system, if the lap belt has a special energy absorption function so that it can absorb energy in the event of a collision, it will be effective in suppressing forward leaning of the upper body, and it will be even more useful.

Means for imparting an energy absorption function to the belt include a means of interposing a cutting thread for energy absorption, a means of temporarily fastening a surplus portion and cutting the fastening thread by tension in the event of an abnormality, and other known or proposed methods. Any means may be adopted as appropriate.

In the figure, 17 is a sash bracket, 18 is a pillar bracket, and 19 is a knee pad.

Also, FIG. 4 shows the case where the lap belt glue tractor 12 is attached to the side of the seat 10 as described above. The mounting position of the retractor 12 has a similar configuration.

The present invention is constructed as described above, and therefore, in a normal case, only the lap belt 13 stored in the retractor 12 (11, diagonal bell) 5 is used, and the door 2 is closed.
The diagonal belt is reciprocated back and forth by opening and closing, and the diagonal belt is shifted between the release position shown in Figures 1 or 4 and the restraint position shown in Figure 2, and is used as a passive belt. When the vehicle is moving and the vibrations and shakes are severe, or when you want to be more careful when pressing the button to ensure safety, pull out the lap belt 13 from the retractor 12 and insert the locking hole 14' of the tongue 14 at the tip of the lap belt into the diagonal. By being engaged with the locking pin 8' of the tongue 8 on the side of the belt 5, it can be used as a three-point restraint belt at the shoulders and waist.

In this case, it goes without saying that the diagonal belt 5 will be dislocated by opening and closing the door, but the lap belt 13 may be manually operated prior to opening the door, or the lap belt 13 may be dislocated between the locking hole 14' and the locking pin. By making the engagement electrically removable, the retaining connection is automatically released by electrical interlocking operation, and the retractor 12 is retracted.

Next, the reciprocating displacement operation of the diagonal belt 5 will be explained with reference to FIGS. As shown in FIGS. 2 and 3, the fixing position 11 of the coupling device on the restraint belt is located near the turning ring 7, and the restraint length of the belt 5 restrains and protects the occupant. The ring 16 directly above the connection is connected to the turning ring 7 by pressing the button on the turning ring 7 at the top of the door opening side.
The situation is almost overlapping.

In this case, due to the retracting force of the tractor from the fixed position 11, it passes through the ring 16 and the turning ring 7 and reaches the position shown in FIG. 3.

Then, the lap belt 13 is pulled out as necessary.
It is connected to the diagonal belt 5 to restrain the occupant.

When the door 1 is released from this state, the opening force of the door causes the diagonal belt 5, which is a restraint belt, to extend from the retractor 6, and the slider 3 is urged to move forward, and then the opening angle The reaction force generated by the movement automatically moves forward along the guide rod 2 to reach the front open position as shown in FIG.

In parallel with this state, the belt 5 is gradually pulled forward, and the fixing position 11 moves past both rings 7 and 16 to the inner side, reaches a position corresponding to a predetermined position in front of the slider 3, and is connected to the slider 3. The coupling extends between and holds the belt 5 in a raised condition.

At this time, since the belt 5 is freely inserted between the floating ring 16 and the fixed position 11, the floating ring 16 forms a triangle with the fixed position 11 and the slider 3 and becomes stable, as shown in the figure.

As described above, the lap belt 13 and the diagonal belt 5 are uncoupled before the door 1 is opened.

Next, when closing the door 1 in the opposite direction from this state, the closing force applies a rearward transition force due to the reaction force,
In response to the shortening tendency of the restraint belt 5 due to its winding in the retractor 6 and the restraint length of the belt which attempts to take the shortest distance, the coupling device narrows the distance between the fixed position 11 and the ring 16 while moving the guide rod 2 toward the rear side. automatically moves to the second
The state shown in Figs. and 3 is reached.

In this way, the restraining belt is smoothly displaced between the restraining position and the retracted position in response to the opening and closing of the door.

In addition, when getting off the vehicle with the diagonal belt 5 and lap belt 13 connected, or in case of an emergency, if the two are connected to 11 and the tongue 8 is removed from the buckle of the buckle stalk 9, each belt can be removed. The glue tends to get caught up in the tractors 6 and 12, respectively, and it becomes easy to get off the vehicle.

As described above, the device of the present invention fixes one end of the coupling tool to a predetermined position on the diagonal belt, hooks the other end onto the guide rod or slider, and connects it to the floating ring.
Since the device is equipped with a lap belt that can be connected to and detached from the diagonal belt, the coupling device is automatically slid along the guide rod by the reaction force when the door is opened and closed, and the diagonal belt is connected to and detached from the diagonal belt. Belt restraint position,
It is possible to displace the belt between transient positions, making it easier for passengers to get on and off the vehicle, and there is no need for any mechanical or electrical drive mechanism to displace the belt, simplifying the configuration of the passive belt and making it easier to assemble. Not only does it have the advantage of improving strength and durability and reducing manufacturing costs, but it also has the advantage of reducing production costs by wrapping the guide tape around the guide member and fixing the end to the floating ring. button to pull the belt forward, allowing the diagonal belt to approach and retreat closer to the door sill than before, effectively expanding the space for passengers to get in and out, and making effective use of the space inside the vehicle with the safety belt. By connecting the conventional diagonal belt-type passive belt device with a lap belt for greater safety, a passive belt system with the same high level of safety as a general three-point belt can be created. In addition, the system can be used as a simple diagonal belt in normal times, and there is a concern that it may be unstable when the driving surface is rough because the diagonal belt does not relatively strengthen the waist restraint. Even if there is, connect the lap belt to eliminate that concern! be able to clean the vehicle and drive under sufficient restraint, etc.
It has various effects, and the utility of using different belt systems depending on the situation is great. Combined with the energy absorption function of knee pads and lap belts, it is an extremely versatile device as an improvement on diagonal type passive belts. .

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an example of the passive belt device of the present invention using a coupling device when the door is open, Fig. 2 is a perspective view of the same passive belt device when the door is closed, and Fig. 3 is the same as in Fig. 2. FIG. 4 is a perspective view showing another modified embodiment of the passive belt device of the present invention. DESCRIPTION OF SYMBOLS 1...Door, 2...Guide member, 3...Slider 3a...Belt insertion hole, 5...Diagonal belt, 6...Emergency lock type retractor-8...Tong, 8' ... Locking pin, 10 ... Seat, 11 ... Connector fixing position, 12 ... Retractor - 113 ... Lap belt, 14 ... Tong, 14' ... Strap fastening hole, 1
5...Connector, 16...Idling ring.

Claims (1)

[Claims for Utility Model Registration] 1. A guide member attached to the upper side of the door, one end of which is caught in an emergency locking retractor attached to the top of the door, and the drawer side is pulled out above the retractor, allowing A diagonal belt that changes direction with one member and extends diagonally across the front of the occupant to restrain the occupant, and an attachment means that makes the other end of the belt detachable and attaches it to the inner side of the vehicle, When the guide member and the diagonal belt are restrained, the guide member and the diagonal belt are connected directly or indirectly to a point near the upper support position on the open side of the door, and the belt is released when the door is opened or closed, and the belt is released when the door is opened or closed. In a passive belt system that guides the user to the seat and is equipped with knee pads in front of the seat, one end is wrapped around an emergency locking retractor attached to the outer side of the vehicle. A passive belt device, characterized in that a tightening lap belt is provided, and the belt is configured to be latched to the inner side removable handling means by manual operation. 2. The passive belt device according to claim 1, wherein the attachment position of the emergency locking retractor provided on the outer side of the vehicle is below the opening side of the door. 3. The passive belt device according to claim 1, wherein the emergency locking retractor provided on the outer side of the vehicle is attached at a side position of the seat or at the vehicle floor near the seat position.