JPH08280477A - Rear armrest - Google Patents

Abstract

PURPOSE: To prevent an armrest hinge for supporting an armrest main body elevatably and declinably formed on the seat back of a rear seat from being exposed in a using state. CONSTITUTION: On the side plate parts 11a of the armrest hinge 11 fixing to the frame 10 of the seat back C and projecting forward along both sides of the lower part of a housing recessed part D, engaging holes 13 are opened in the middle part in a vertical direction of a bent part 11b bent and formed outwards at a front part and U-shaped grooves 12 are notched downwards from an upper edge. On one end part of the frame 21 of the armrest main body 20, a pair of hinge pins 22 provided with neck parts 22a engageable to the bottom part of the respective U-shaped grooves are projectingly formed in left and right directions. For a stopper plate 15 fitted freely attachably and detachably to/from the armrest hinge, the tip parts of the projection parts 16 of pressing plate parts 15a on both sides are engaged inside the engaging holes at the bent part of the side plate part, the projection parts are abutted to the upper side of the respective hinge pins and the hinge pins are prevented from rising from the bottom part of the U-shaped groove.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear armrest, one end of which is rotatably supported by a seatback frame of a rear seat.

[0002]

2. Description of the Related Art As shown in FIG. 4, a rear armrest of this type has one end of an armrest body 5 which is rotatable in a lower portion of a storage recess D formed in the center of a seatback C of a rear seat A. The armrest body 5 is supported and can be erected between a stored state located in the storage recess D as shown by an arrow Y and a used state projecting forward from a lower portion thereof.

In a conventional rear armrest of this type, as shown in FIG. 5, a frame 5a covered with a pad material 5b is covered with a skin 5c to form an armrest body 5, and a stepped bush 9 is formed at the rear portion of the frame 5a. The armrest hinge 3 is rotatably attached in advance via the hinge bolt 8 and the nut 8a. On the other hand, seat back C
Covers the seat back pad 4a attached to the front side of the frame 1 with the seat back cover 4 to form a storage recess D in the center of the front side, and the rear armrest stores the armrest hinge 3 in the storage recess as shown in FIG. It is inserted into D, abuts on the armrest mounting plate 2 fixed to the seatback frame 1 with the seatback cover 4 sandwiched therebetween, and is tightened and fixed by the mounting bolt 7 and the nut 7a.

[0004]

However, in the prior art as described above, since the armrest hinge 3 is attached to the upper side of the seat back cover 4, the armrest main body 5 protruding forward in the use state. There is a problem that the armrest hinge 3 is exposed and looks bad. This problem is ameliorated to some extent by wrapping a seat made of the same material as the seat back cover 4 around the portions of the armrest hinge 3 except for both sides, but it is not sufficient. An object of the present invention is to solve such a problem.

[0005]

To this end, the rear armrest according to the present invention has a storage recess at the center of the front side of the seat back by a seat back pad provided on the front side of the frame of the seat back of the rear seat and a seat back cover covering the seat back pad. A rear armrest that supports an armrest main body that is capable of undulating between a stored state located in the storage recess and a use state that projects forward from a lower portion thereof so as to be rotatable about the left-right axis. An armrest hinge having a pair of side plate portions protruding forward along both outer sides of a lower portion of the back cover that forms the storage recess is fixed to the frame of the seat back, and each side plate portion is outwardly directed to its front portion. An engaging hole is opened in an intermediate portion in the vertical direction of the bent portion formed by bending, and a U-shaped groove is cut downward from the upper edge. A pair of hinge pins having a neck that can engage with the bottom of each U-shaped groove is provided at one end of the frame of the mrest body so as to project in the left-right direction, and is brought into contact with the outer surface of each side plate of the armrest hinge. A pair of pressing plate portions for preventing the tip end of the protrusion formed on the portion from engaging in the engagement hole and contacting the upper side of each hinge pin to lift the hinge pin from the bottom of the U-shaped groove. The stopper plate having the above is detachably attached to the armrest hinge, and the seat back cover is provided with a pair of openings corresponding to at least the lower half of the U-shaped groove of each side plate portion.

[0006]

The seat back pad provided on the front side of the seat back frame is covered with a seat back cover to form a seat back having a storage recess, and the inside of the armrest hinge fixed to the seat back frame is covered with the seat back cover. One end of the armrest body provided with a hinge pin is inserted into the storage recess, each hinge pin enters the seat back cover through the opening, and each neck is engaged with the bottom of the U-shaped groove of each side plate of the armrest hinge. To be done. In this state, each pressing plate portion of the stopper plate, which is brought into contact with the outer side surface of the side plate portion of the armrest hinge, is attached to the armrest hinge with each tip of the protruding portion engaged in the engagement hole, and the hinge pin has a U-shape. Prevents lifting from the bottom of the groove. As a result, the armrest body is supported by the armrest hinge so as to be capable of undulating between the stored state located in the storage recess and the used state projecting forward.

[0007]

EXAMPLES The present invention will be described below with reference to the examples shown in FIGS. The overall usage state is the same as that of the conventional technique shown in FIG.

As shown mainly in FIG. 3, a seat back pad 18a provided on the front side of the seat back frame 10 (only a part of the center is shown) has a peripheral portion attached to the seat back frame 18. A seat back C (see FIG. 4) having a storage recess D in the front center is formed. Armrest body 2
0 is supported by an armrest hinge 11 fixed to the seat back frame 10 so as to be capable of undulating between a stored state located in the storage recess D and a use state protruding forward through a hinge pin 22 provided at one end. There is. The seat back cover 18 is a slab made of a polyurethane foam having a thickness of several millimeters, and is sewn with a three-layer structure sheet in which a front surface material such as fabric or synthetic leather and a back base material such as polyester fiber are laminated on the front surface and the back surface. is there.

As shown in FIGS. 1 to 3, the armrest hinge 11 has a pair of left and right side plate portions 11a bent forward and fixed to the central portion of the seatback frame 10 by welding. . An outward bent portion 11b is formed at the front end of the side plate portion 11a, and the front side thereof is further bent to form a Z-shaped step. A stopper plate 15 having a substantially rectangular shape is provided at an intermediate portion in the vertical direction of each bent portion 11b.
Engagement hole 13 having a vertical width slightly wider than the vertical width of protrusion 16
Are formed. A deep U-shaped groove 12 is cut into each side plate portion 11a of the armrest hinge 11 at a position slightly rearward of the bent portion 11b from the upper edge toward the lower side. Each U
The bottom of the groove 12 reaches below the engagement holes 13,
The front and rear inner edges are parallel. A portion of the seat back cover 18 corresponding to the storage recess D is a seat back frame 10.
Covering the inside of the armrest hinge 11 fixed to the pair of vertically extending openings 18b corresponding to the lower half of each U-shaped groove 12.
Are formed.

As shown in FIGS. 1 to 3, the armrest main body 20 is formed by covering a downward facing U-shaped cross-section frame 21 covered with a pad material 24 with an outer skin 23. A pair of hinge pins 22 protruding in the left-right direction are fixed to both side surfaces by caulking. A small diameter neck portion 22a is formed on each hinge pin 22, and the pad material 24 is removed in the vicinity of the attachment portion of the hinge pin 22 so that the neck portion 22a is located outside the skin 23.

As shown by the chain line Z in FIG. 1, one end of the armrest main body 20 provided with the hinge pins 22 is inserted into the accommodation recess D and moved downward, and each hinge pin 22 passes through the opening 18b and seats. After entering the back cover 18, each neck portion 22a is engaged with the bottom portion of the U-shaped groove 12 of each side plate portion 11a of the armrest hinge 11. Each of the hinge pins 22 thus engaged is prevented from rising from the bottom of the U-shaped groove 12 by the stopper plate 15 described below.

As shown in FIGS. 1 to 3, the stopper plate 15 has a pair of left and right holding plate portions 15a bent forward, and each holding plate portion 15a is long on the upper front side. The protrusion 16 has a short auxiliary protrusion 16a on the lower side thereof.
However, an engaging recess 16b is formed between the both protruding portions 16 and 16a. As shown by the arrow X in FIG. 1, the stopper plate 15 moves the pressing plate portions 15a into contact with the outer side surfaces of the side plate portions 11a of the armrest hinge 11 to move the stopper plate portions 15a forward so that the tip portions of the protruding portions 16 engage with each other. Engage the dowel 13,
The neck portion 22a of each hinge pin 22 is clamped and fixed to the armrest hinge 11 by the mounting bolt 17 and the nut 17a while sandwiching the neck portion 22a in the engagement recess 16b.

In the stopper plate 15, the tip end of the protrusion 16 is locked in the engagement hole 13 and the rear portion is screwed and fixed to the armrest hinge 11, so that the protrusion 16 of each pressing plate portion 15a is attached to each neck 22a. Abut each hinge pin 2
2 is prevented from rising from the bottom of the U-shaped groove 12. As a result, the armrest body 20 is supported by the armrest hinge 11 so as to be capable of undulating between the stored state in the storage recess D and the used state protruding forward.
In the present embodiment, the armrest main body 20 is brought into contact with the upper surface of the seat cushion B and stopped in use. However, the protrusion provided on the frame 21 of the armrest main body 20 is brought into contact with the armrest hinge 11 to stop. Good.

In the above embodiment, the stopper plate 1
The left and right protrusions 16 of the reference numeral 5 enter the small-diameter neck 22a and are in contact with the upper side thereof, but the width of the neck 22a is made slightly larger than the thickness of the side plate 11a, and the protrusion 16 is a hinge pin. It may contact the upper side of the large-diameter portion 22 to prevent the U-shaped groove 12 from floating from the bottom. The auxiliary protrusion 16a may be omitted, or the tip may be engaged with an auxiliary engagement hole (not shown) formed in the bent portion 11b so as to have the same length as the protrusion 16. Further, in the above-described embodiment, the side plate portion 11a is formed so that the bent portion 11b provided with the engagement hole 13 is on the front side and the U-shaped groove 12 is on the rear side, but this may be reversed. .

[0015]

As described above, according to the present invention, since the inner surface of the armrest hinge is covered with the seat back cover, the armrest hinge is not exposed in the use state in which the armrest body is projected forward.
The appearance will be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an overall structure of an embodiment of a rear armrest according to the present invention.

FIG. 2 is a side view in which a part of a main part of the embodiment shown in FIG. 1 is cut away.

3 is a sectional view taken along line 3-3 of FIG.

FIG. 4 is an overall perspective view of a rear seat provided with a rear armrest.

FIG. 5 is a cross-sectional view corresponding to FIG. 3 showing an example of a conventional technique.

[Explanation of symbols]

10 ... Seat back frame, 11 ... Armrest hinge, 11a ... Side plate part, 11b ... Bent part, 12 ... U-shaped groove, 13 ... Engagement hole, 15 ... Stopper plate, 15a ...
Pressing plate portion, 16 ... Projection portion, 18 ... Seat back cover, 18a ... Seat back pad, 18b ... Opening, 20
… Armrest body, 21… Armrest frame,
22 ... Hinge pin, 22a ... Neck, A ... Rear seat, C
... seat back, D ... storage recess.

Claims (1)

[Claims] 1. A storage recess is formed in the front center of the seat back by a seat back pad provided on the front side of a frame of a seat back of a rear seat and a seat back cover covering the same, and a storage state located in the storage recess and its storage state. A rear armrest that supports an armrest body that can be undulated during a use state that protrudes forward from a lower portion so as to be rotatable around a horizontal axis located in the lower portion of the storage recess, and is fixed to the frame of the seatback. And an armrest hinge having a pair of side plate portions projecting forward along both outer sides of a lower portion of the seat back cover forming the storage recess, and an outward bent portion formed at a front portion of each side plate portion. And a U-shaped groove cut downward from the upper edge of each of the side plate portions. A pair of openings formed in the seat back cover corresponding to at least the lower half of the U-shaped groove of the U-shaped groove, and protruding in the left-right direction from both ends of the frame of the armrest body. A pair of hinge pins having a neck portion engageable with the bottom portion, and a tip portion of a protrusion formed on the front portion which is brought into contact with the outer surface of the side plate portion of the armrest hinge is engaged in the engagement hole, and the protrusion is formed. And a stopper plate detachably attached to the armrest hinge, the pair of pressing plates preventing the hinge pin from floating above the bottom of the U-shaped groove by contacting the upper side of each hinge pin. Rear armrest that is characterized.