JPS625408Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a seatbelt sliding structure.

The sliding structure of the general passive seat belt type seat belt with a seat belt attachment detection device is
As shown in Figure 1, which is almost the same as No. 49-147723, when the occupant P gets into the vehicle, the shoulder belt 15 automatically attaches and restrains the occupant P's body, preventing accidents such as collisions or sudden braking. This prevents the occupant from being thrown out of the seat S and protects the occupant P safely in the event of an impact. In such a structure, when the occupant P gets into the vehicle, the door D is opened and closed, and at the same time, a flexible wire is moved within the tube 46 by the motor 10 provided behind the door D as a drive source in conjunction with the opening and closing operation of the door D. 8, the slide structure 3 slidably provided in the guide rail 2, which is a guide member provided on the roof side 45 of the vehicle body, is slid toward the front of the vehicle body together with the shoulder belt 15, and the occupant P is allowed to get on the vehicle. , when the occupant P sits on the seat S and closes the door D, the sliding structure 3 is connected to the flexible wire 8.
The anchor device 2 provided at the rear end of the guide rail 2 moves back to the rear end of the guide rail 2.
0, the upper end of the shoulder belt 15 is moved rearward to restrain the occupant P.

In the figure, 14 is a retractor, 16 is a tongue provided at the upper end of the shoulder belt, 17 is a buckle provided on the slide structure that fits into the tongue 16, 37 is an instrument, 32 and 33 are an alarm buzzer and an alarm lamp provided on the instrument. shows.

In addition, in the passive seat belt type, the tongue provided at the upper end of the shoulder belt and the buckle provided on the sliding structure are fitted so that the occupant can easily escape from the seat belt in an emergency. It is something.

The above structure also detects whether the slide structure and the anchor device are securely engaged, and whether the tongue and buckle of the shoulder belt are securely engaged, and alerts the occupants. are doing.

Figure 2 shows the above slide structure and anchor device.
To explain in more detail with reference to FIG. 3, the guide rail 2 has a guide groove 50 formed at its bottom for the push-pull wire 8 for moving the slide structure 3. The slide structure 3 includes a buckle 17 at one end that fits into the tongue of the seat belt, and an L-shaped slide portion having a tongue 21 at the other end that engages with the anchor device, a detection switch, and a conductor. That is, the slide structure 3 includes an upper plate 48a having a tongue 21 that engages with the anchor device 20 at the rear end, and a lower plate 4.
rollers 47a, 47b, 47c, 47 between
A slide member 52 formed in a substantially L-shape is fixed on top of the upper plate 48a using bolts 49, 49. At the rear end of the slide member 52, a contact support portion 52a projects toward the indoor side integrally with the slide member 52, and the contact support portion 52a is mounted on the contact support portion 52a.
9 and 30 are provided.

Further, an emergency release buckle 17 that fits into the tongue 16 of the shoulder belt 15 shown in the first figure is provided at the lower end of the slide member 52.
7 has a detection switch 19 for detecting whether or not the body of the occupant P is securely wearing the shoulder belt. The detection switch 19 is provided with a normally closed contact 18 which is pushed off by a protrusion 16a also provided in the detection switch 19 when the tongue 16 is fully connected.

Conductive wires 12 and 13 connecting the contacts 29 and 30 and the detection switch 19 are provided on the slide member 52. Note that the tongue 21 of the upper plate 48a has a notch hole 21a.

Moreover, the slide member 5 to which the conducting wires 12 and 13 are wired
2 has a soft cover 51 on a part of the outside thereof.

The anchor device 20 has both ends 24 of a hook body 24, which has claws 23 in fan-shaped holes 22 provided in the side wall thereof and engages with the notch holes 21a of the tongue 21.
a and 24b are loosely fitted, and the hook body 24 is resiliently repelled by a leaf spring 25 in the direction in which the pawl 23 engages with the notch hole 21. Anchor device 2
Contact support parts 20a and 20b protrude toward the indoor side on the upper surface of the 0, and the contact 2 of the slide groove structure 3 is placed on top of the contact support parts 20a and 20b.
Normally closed contacts 27 and 28 that connect with 9 and 30 to turn off
are provided, and furthermore, these contacts 27 and 28 are connected to the conductor 3
5 and 36, one is connected to the battery 34 from the ignition switch 31 as shown in FIG.
2 or the alarm lamp 33. Nao 6
0 is a conducting wire connecting the contacts 27 and 28.

Further, the bottom of the anchor device forms a guide groove 50 for the push-pull wire 8 that moves the slide structure 3 as well as the guide member 2.

In addition, there is a drive circuit that rotates the motor forward and reverse in response to the opening and closing of the door D to move the slide structure back and forth within the guide rail, the slide structure, the engagement and disengagement of the locking device, the engagement and disengagement of the tongue and buckle. Since the alarm circuit for the detection switch that detects the attachment, the alarm buzzer, and the alarm lamp are separate, a description of the drive circuit for opening/closing the door and the motor will be omitted.

To explain the operation of the conventional seat belt sliding structure, when the door D is opened, the flexible wire 8 is actuated by the motor 10, and the sliding structure 3 is moved forward as shown by the dotted line in FIG. When the door D is closed, the motor 10 operates in the opposite direction in conjunction with this, and the flexible wire 8 moves the slide structure 3 rearward. At the rear end position, the notch hole 21a of the tongue 21 of the slide structure 3 engages with the claw 23 of the hook body 24 in the anchor device 20 and is locked. Terminals 29 and 30 are normally closed contacts 2
7 and 28 to turn it off.

Therefore, both the detection switch 19 and the normally closed contacts 27 and 28 in FIG.
2 to the normally closed contact 19 and then from the conductor 13 to the contact 30
and contact 28 is energized. If the tongue of the shoulder belt is not fitted into the buckle 17, electricity will be applied through the normally closed contact 18 and the alarm buzzer 3 will be activated.
2. Activate the alarm lamp 33.

However, the tongue of the shoulder belt is a hitch.
7, the normally closed contact 18 is turned off and no electricity is applied, and the alarm buzzer 32 and alarm lamp 33 do not operate. In short, if either the engagement between the tongue 16 of the shoulder belt 15 and the buckle 17 or the engagement between the slide structure 3 and the anchor device 20 is incomplete, one of the detection switch 19 or the normally closed contacts 27 and 28 is turned on, the circuit shown in FIG. 4 is closed, and when the ignition switch 31 is turned on, the alarm buzzer 32 and alarm lamp 33 are activated to notify the occupant that the fitting and engagement are incomplete.

Therefore, until the tongue and buckle are completely engaged and the slide structure and anchor device are engaged, the occupant is alerted, ensuring that the occupant fastens their seat belt, and driving safely. .

However, the conductive wires 12 and 13 connecting the conventional detection switch and the contact points are provided along the slide member 52 of the slide structure 3 that is not covered by the cover 51, and the uncovered portion of the cover 51 is used as a guide. The conductor could easily come out from the opening of the rail and come into contact with other members, which could cause the conductor to break or short-circuit. Further, since the cover 51 is soft in the area covered by the cover 51, it easily bends when it touches other members, and there is a risk that the conductive wires may come into contact with each other. Furthermore, although the conductive wires 12 and 13 were fixed to the slide member 52 in some places, they still had the disadvantage of floating. The present invention eliminates such drawbacks, and embodiments of the present invention will be described below with reference to FIGS. 5 to 11.

FIG. 5 shows a first embodiment, in which reference numeral 2 denotes a guide rail which is a substantially rectangular prism guide member having an opening on the lower surface on the roof side 45 of the inner wall of the automobile, and extends in the front-rear direction. A slide structure is fitted into the guide rail 2 so as to be slidable back and forth within the guide rail, as shown in FIGS. 6 and 7.

This slide structure 3 is formed completely inside the guide rail and is integrally fixed with set screws 4, 4 using an insulating material such as a synthetic resin divided into two parts, and has a protrusion 5a protruding from the opening 1 of the guide rail 2 at the bottom. ,6a
Blocks 5 and 6 that formed
Shoulder belt 15 has an inverted L shape and is housed in a recess 6b bent into a substantially L shape provided on the inner surface of the belt.
A slide member 11 is provided with a buckle 17 into which a tongue 16 at the upper end is fitted, and has a tongue at the rear end that engages with an anchor device provided at the rear end of the guide rail.
Similarly, the conductive wires 12 are housed in grooves 6c and 6d provided in the recess 6b on the inner surface of one side 6 of the block.
13, and the slide member 11 is fixed between the blocks 5 and 6 so as to sandwich the conductive wires 12 and 13. Furthermore, in the other block 5,
One end of the flexible wire 8 is fixed, and the flexible wire 8 extends rearward within the guide rail 2, further extends downward within the center pillar 9, and is connected to a motor 10 that operates it.

The slide block of the above embodiment is composed of a pair of blocks 5 and 6, but the slide block of the second embodiment is composed of a pair of blocks 5 and 6.
As shown in FIG. 9, it may be composed of one member.
That is, the slide block 6' is a rectangular parallelepiped block that fits completely inside the guide rail, and has a recess 40 for attaching the slide member 11 and grooves 41, 42 for attaching the conductive wires 12, 13.

Figures 10 and 11 show the third embodiment,
The slide block 6'' is formed of one member, and an opening 1a is formed on one side of the lower surface of the guide rail 2a.
A recess 40a is provided and the slide member 11 is attached to the recess 40a.
It is a shallow version of .

In the present invention having the above configuration, the conductor and the slide member are attached to the recess or groove of the slide block so as to sandwich the conductor, so that the conductor along the slide member does not move loosely and is prevented from being broken or short-circuited. It has the effect of obtaining.

In the present invention, the guide member has been described as being provided on the roof side, but the guide member is not limited to this, and it goes without saying that the guide member may be provided on the inner panel of the door.

[Brief explanation of the drawing]

Figure 1 is a side view showing an overview of the seatbelt sliding structure, Figure 2 is an enlarged perspective view showing details of the conventional sliding structure, Figure 3 is a cross-sectional view of Figure 2, and Figure 4 is the sliding structure. 5 is an overall perspective view of the slide structure of the first embodiment of the present invention, FIG. 6 is an exploded perspective view of FIG. 5, and FIG.
8 is a perspective view of the slide block of the second embodiment of the present invention, and FIG. 9 is a sectional view of the slide block of the second embodiment of the present invention.
10 is a perspective view of a slide block according to a third embodiment of the present invention, and FIG. 11 is a sectional view taken along line C--C in FIG. 10. 2... Guide rail, 3... Slide structure,
5, 6, 6', 6''...slide block, 6b...
...Concave portion, 6c, 6d...Groove portion, 12, 13, 60
...Conductor, 15...Shoulder belt, 16...
Tongue, 17...buckle, 19...detection switch, 20...anchor device, 21...tang, 2
7, 28... Normally closed contact, 29, 30... Terminal with sliding structure.

Claims (1)

[Scope of utility model registration request] A guide member provided on the roof side or the inner door plate, an anchor device provided at one end of the guide member, and a tongue that slides within the guide member and is approximately L-shaped and provided at one end of the seat belt. a slide member having a buckle that fits into the anchor device and a tongue that engages with the anchor device at the other end; a detection switch provided on the slide member that detects the fit between the tongue and the buckle; and a detection switch that detects the fit between the tongue and the anchor. In a seatbelt sliding structure that includes a detection switch that detects engagement with a device and a conductor that connects the detection switch, the sliding member is placed inside an insulating block whose outer shape matches the inner circumference of the guide member. A seat belt sliding structure, characterized in that the conductor wire is fixed to the seat belt so as to be sandwiched therebetween.