JPH0741642Y2 - Seat with seat belt - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a seat with a seat belt. More specifically, the present invention relates to a retractor for retracting a seat belt and a seat belt pulled out from the retractor. A seat in which a belt mounting portion for connecting a front end to a part of a seat, a buckle for selectively locking a tongue inserted in the seat belt are mounted, and armrests are rotatably provided on both left and right sides. Regarding seats with belt.

[Conventional technology]

BACKGROUND ART Conventionally, a seat belt is provided on a seat of a vehicle or the like, and the seat belt protects an occupant in the event of a collision of the vehicle or the like. As this seat belt device, conventionally, an anchor is generally fixed to a pillar or floor of a vehicle, and a seat belt is connected to the anchor.

For this reason, a complicated mechanism must be attached when adjusting the front-rear slide movement of the vehicle or adjusting the front-rear tilt of the vehicle using a reclining device, which inevitably increases the cost. Therefore, the driving posture cannot be easily changed, the angle and position of the seat belt with respect to the occupant change, and the occupant cannot be restrained and protected in an optimal state.

In recent years, a built-in type seatbelt device in which a seatbelt is incorporated in a seat to solve the above-mentioned inconvenience (Japanese Patent Laid-Open No. 60-92945, Japanese Utility Model No. 55-30756, and Japanese Utility Model No. 53-1092).
No. 33) etc. have been proposed.

This built-in type seat belt, as shown in FIG.
An emergency automatic lock type retractor 5 as a retractor for the seat belt 6 is housed in the seat cushion 2 or the seat back 3 of the seat 1.

Seat belt 6 having one end 6a fixed to the retractor 5
Belt guide 8 formed on the upper end side of the seat back 3
Pull out from the belt outlet 8a in front of the seat back 3,
The other end 6b of the seat belt 6 is fixed to a belt mounting portion on one side of the seat cushion 2, and the tongue 9 inserted into the seat belt 6 is inserted and locked into a buckle 10 provided on the other side of the seat cushion 2. As a result, a shoulder belt 6A and a waist belt 6B can be formed as shown by the imaginary line in FIG.

[Problems to be solved by the device]

However, in the case of the conventional built-in type seat belt device, it is not possible to add an armrest,
When the seat belt 6 is worn, the waist belt 6B presses the thighs of the occupant, which causes a cramping feeling.

An object of the present invention is to provide a seat with a seat belt that can avoid a feeling of tightness when a seat belt is worn and can use an armrest.

[Means for Solving the Problems]

The present invention has been made in view of the above-mentioned problems, and includes a retractor for retracting a seat belt, a belt attachment portion for connecting a tip of a seat belt pulled out from the retractor to a part of the seat, and In a seat with a seatbelt, to which a tongue inserted through a seatbelt is selectively locked, and armrests are rotatably provided on both left and right sides, a seating surface of one side of the seat cushion Either one of the belt withdrawal port of the retractor for retracting and the belt mounting portion is provided on one armrest at a higher position, and a buckle is provided on the other armrest above the seating surface of the other side portion of the seat cushion. The left and right armrests are pivotally locked by a lock mechanism.

[Operation] According to the present invention, one of the retractor belt pull-out port for winding and the belt mounting portion is provided on one armrest located above the seating surface of one side portion of the seat cushion, and the other side portion of the seat cushion is provided. A buckle is provided on the other armrest above the seating surface, and the left and right armrests are pivotally locked by a lock mechanism.Therefore, when the seatbelt is worn, the seat pulled out from the retractor for retracting. The waist belt formed when the tongue of the belt is selectively locked to the buckle is stretched between the positions higher than the seating surface, so that the thighs are not pressed and a tight feeling is felt. There is no.

〔Example〕

Hereinafter, a seat with a seat belt according to the present invention will be described in detail with reference to the drawings.

1 to 4 schematically show an embodiment of the present invention, a seat 11 with a seat belt includes a seat cushion 12 and a seat back 13, and the seat cushion 12 is not shown in the front and rear. A slide mechanism is attached to the floor surface of the vehicle body so that the seat back 13 can be adjusted to move forward and backward, and the seat back 13 can be adjusted to tilt forward and backward by a reclining mechanism.

A headrest 15 is provided at the center of the upper end of the seatback 13, and a belt guide 17 is provided at the upper end of the seatback 13 on the side of the headrest 15. The belt guide 17 is formed in a box shape, and the retractor 19 is housed inside.

The seat belt 21 is wound around the retractor 19, and the retractor 19 is formed in an emergency automatic lock type that locks the seat belt 21 when an impact load is applied to the seat belt 21, but a detailed description will be given. This is omitted.

Also, on both sides of the lower end of the seat back 13, armrests
22L and 22R are rotatably pivoted, one armrest
A storage recess 23 for storing the armrest 22L is formed in the seat back 13 corresponding to 22L.

As shown in FIG. 3, a lock mechanism 24 is attached to the outer surface of each of the armrests 22L and 22R. In this lock mechanism 24, a pivot arm 26 is pivotally attached to a pivot 25 provided in the arm rests 22L and 22R, and the pivot arm 26 includes a vertical rod portion 26a and a horizontal rod portion extending rearward from a lower end portion thereof. 2
6b and a vertical rod portion 26c extending downward from the rear end portion are integrally formed.

The pivot shaft 25 is inserted and pivotally attached to a connecting portion between the vertical rod portion 26a and the horizontal trunk portion 26b of the pivot arm 26.
The upper end of the vertical rod 26a of 26 faces the opening 27 formed at the front ends of the armrests 22L and 22R, the operation knob 28 is attached to this upper end, and the seat cushion is attached to the lower end of the vertical rod 26c. 12 has a configuration in which a hook 30 that engages with a U-shaped striker 29 formed on the outer surface is formed.

Then, one end of the pivot arm 26 wound around the pivot 25 is attached to the arm rests 22L and 22R, and the other end is fixed to the pivot arm 26 by the coil spring 31 so that the hook 30 is attached to the striker 29.
It is urged in a direction to engage with and is rotationally locked.

Further, a belt mounting portion 33 is provided on the upper end side of the tip end side of the one armrest 22L on the belt guide 17 side, and the seat pulled out from the belt outlet 18 formed in the belt guide 17 on the belt mounting portion 33. The tip of the belt 21 is fixed,
Buckle 34 on the upper end of the other armrest 22R
Is provided.

The tongue 35 is inserted into the seat belt 21.
The shoulder belt 21A and the waist belt 21B are formed by selectively locking 35 with the buckle 34 provided on the armrest 22R.

Therefore, as shown by the solid line in FIG.
When the seatbelt 21 that stores L in the storage recess 23 formed in the seatback 13 is not used, the seatbelt 21 is wound around the retractor 19 on the seatback 13 side, and from this state, the occupant sits on the seat 11. Then, the armrest 22L
By rotating 22R and 22R to move to the seat cushion 12 side as shown by the imaginary line in FIG.
The hook 30 formed on the rotating arm 26 of 24 is engaged with the upper end of the striker 29, and the armrests 22L and 22R are further rotated, whereby the rotating arm 26 rotates against the coil spring 31. The hook 30 is engaged with the striker 29 from the lower side to be in the rotation lock state.

By engaging the armrest 22L with the seat cushion 12 in this way, the seatbelt 21 is pulled out from the retractor 19, and the seatback 13 comes into contact with the upper end side of the armrest 22L and the belt outlet 18 of the belt guide 17. The seat belt 21 is stretched without doing so, and the seat belt 21 is very easily gripped.

Therefore, in this state, by selectively locking the tongue 35 to the buckle 34 provided on the seat cushion 12, the seat belt 21 forms the shoulder belt 21A and the waist belt 21B. At this time, the waist belt 21B is attached to the armrest 22L.
Since it is stretched between the upper ends of 22R and 22R, the thighs of the occupant are not pressed and there is no fear of giving the occupant a cramped feeling.

The armrest 22R does not have to be rotatable.
It may be fixed to the seat cushion 12.

Further, as shown in FIG. 4, the armrests 22L and 22R are fixed to both sides of the seat cushion 12, the retractor 40 is internally provided in one of the armrests 22R, and the belt withdrawal port 41 is provided on the side surface side thereof. The tip of the seat belt 21 pulled out from the outlet 41 is connected to a belt mounting portion 33 provided on one side of the headrest 15 of the seatback 13, and the buckle 34 is provided at a position facing the belt outlet 41 of the other armrest 22L.
Even if the tongue 35 inserted into the seat belt 21 is selectively locked to the buckle 34, there is no fear of giving a cramped feeling as in the above embodiment.

Furthermore, not only when using the armrests 22L and 22R,
The seat cushion 12 may be lifted up and down on both sides, and a waist belt 21B may be stretched between them. The point is that the waist belt should be positioned higher than the seating surface of the seat cushion 12.
21B should be installed.

[Effect of device]

The above is the configuration of one embodiment of the seat with a seat belt according to the present invention. According to this configuration, the waist belt is stretched on the armrest at a position higher than the seating surface of the seat cushion when the seat belt is worn. Since the waist belt does not press the thighs of the occupant, it is possible to prevent the user from feeling cramped when wearing the seat belt, and obtain a seat with a seat belt that can use an armrest. be able to.

[Brief description of drawings]

1 to 3 respectively show an outline of one embodiment of a seat with a seat belt according to the present invention. FIG. 1 is a perspective view showing the seat with a seat belt, FIG. 2 is a side view of the same, and FIG.
FIG. 4 is an exploded perspective view showing a lock mechanism of an armrest.
FIG. 5 is a perspective view showing another embodiment of the seat with a seat belt according to the present invention, and FIG. 5 is a perspective view of a conventional seat with a seat belt. In the figure, 11 ... Seat with seat belt, 12 ... Seat cushion, 13 ... Seat back, 15 ... Headrest,
17 …… Belt guide, 18 …… Belt outlet, 19 …… Retractor, 21 …… Seat belt, 22L, 22R …… Armrest, 24 …… Lock mechanism, 33 …… Belt mount, 34 …… Buckle, 35 ...... Tang.

Claims (1)

[Scope of utility model registration request] 1. A retractor for retracting a seat belt, a belt mounting portion for connecting a tip of a seat belt pulled out from the retractor to a part of a seat, and a tongue inserted in the seat belt. A seat with a seatbelt to which a buckle that is mechanically locked is attached, and armrests are rotatably provided on both left and right sides,
One of the belt withdrawal port and the belt mounting portion of the winding retractor is provided on one armrest located above the seating surface of one side of the seat cushion, and the seating surface of the other side of the seat cushion is provided. A seat with a seat belt, wherein a buckle is provided on the other armrest at the upper position, and the left and right armrests are pivotally locked by a locking mechanism.