JPH04354967A - Method for assembling seat back integral with head rest - Google Patents

Abstract

PURPOSE:To improve the visual quality of a head rest in an automobile seat which has the head rest integrally on the upper part and a head rest skin and trim cover for a seat back united with each other to constituted the head rest. CONSTITUTION:A head rest skin 4 previously sewn into a bag-like form is sewn integrally on a seat back trim cover 1. The head rest skin 4 and trim cover 1 are turned over and after the body 11 of the trim cover 1 is bonded to a pad 2, the head rest skin 4 and trim cover 1 are folded back to attach a head rest pad 5 to the head rest skin 4 so that head rest frame 6 integral with a frame 3 is characteristically inserted in the head rest pad 5.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for assembling a seat back in an automobile seat having an integrally formed headrest in its upper portion.

0002

2. Description of the Related Art Some conventional car seat backs have a headrest (HR) integrally fixed to the upper part of the seat back (SB), as shown in FIG. The headrest cover (4) of the headrest (HR) is sewn together with the trim cover (1) of the seatback (SB), and the foam pad (2) of the seatback (SB) and the headrest cover (4) of the headrest (HR) are sewn together. ) is integrally foam-molded with a foam headrest pad (5). The back of the seating surface of the trim cover (1) of the seat back (SB) is glued to the front of the pad (2), and the end of the trim cover (1) is connected to the back side of the frame of the seat back (SB). The bonded area is covered with a backboard (7).

0003

[Problem to be solved by the invention] The above seat back (
The trim cover (1) of the SB) is adhered to the front surface of the pad (2), and the headrest cover (4) of the headrest (HR), which is integrally provided with this trim cover (1), is attached to the headrest pad (5). Since the structure covers the entire headrest cover, the headrest cover (4) is formed into a flat shape, and after adhering the trim cover (1) to the pad (2), as shown in Figure 8, the fasteners (8), etc. Accordingly, the headrest pad (5) is covered with the headrest cover (4). In FIG. 8, (41) is a headrest cover (4) that covers the back of the headrest pad (5).
The back part of (42) (42) is the headrest pad (
5) Headrest cover (4) that covers the left and right sides of
shows the side part of the above, and the back part (41) and the side part (42)
) (42) means that when adhering the trim cover (1) to the pad (2), it is separated so that the entire headrest cover (4) becomes flat, and after adhering to the pad (2), the back part (41 ) and side parts (42) (42) are connected with fasteners (8) (8) to cover the headrest pad (5). In FIG. 8, (7) indicates a backboard.

Therefore, as shown in FIG. 8, the conventional product has the following characteristics:
Headrest cover (which makes up the headrest (HR))
4) Since the zipper (8) (8) is exposed to the outside,
The appearance quality of the seat back (SB) is impaired. Also,
Since a zipper had to be sewn onto the headrest cover and the zipper had to form a bag shape, there was a problem that work efficiency was extremely high. Therefore, the present invention provides a seat back that has a headrest integrally and is assembled by bonding the seating surface of a trim cover to a pad.
The purpose is to improve appearance quality and improve assembly workability.

[0005]

[Means for Solving the Problems] The present invention achieves the above objects by sewing the headrest cover into a bag shape in advance, and molding the headrest pad separately from the seatback pad. After adhering the trim cover to the front of the pad, insert the headrest pad into the bag-shaped headrest cover, insert the headrest frame integrated with the frame into the inserted headrest pad, and attach the frame to the pad to assemble. It is something to attach.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 6. Figure 1 shows the trim cover (1) before it is glued to the pad (2).
is sewn to constitute the outer surface of the seat back (SB) excluding the back of the seat back (SB), in the figure (11) is the body whose back side is glued to the front side of the pad (2), and (12) is the pad an upper gusset (13) covering the top (22) of (2);
(13) is the left and right side of the pad (2) (23) (23)
The side gusset (14) covers the lower part of the pad (2) (
The upper gusset (12) and the side gussets (13) (13) are integrally connected, and the upper gusset (13) is shown.
The end of the opening of the headrest cover (4), which has been sewn into a bag shape in advance, is integrally sewn to the edge of the opening provided in the center of the headrest cover (4). And headrest cover (4)
is inserted into the opening provided in the upper gusset (12) of the trim cover (1). In the figure, (12a) is an upper back gusset that is integrated with the upper gusset (12) and covers the upper back surface of the seat back;
(13a) and (14a) indicate the ends of the trim cover (1).

On the other hand, the pad (2) has a frame (3) inside.
) is molded with urethane foam so that the body (1) of the trim cover (1) can be attached to the front.
The center part (20) to which 1) is glued, and this center part (20)
A top part (22), side parts (23) (23), integrally molded with
The top part (22) has a through hole (22a) in the center thereof, and an upper back part (22b) that covers the upper part of the back side of the frame (3).
) is integrally provided, and this upper back part (22b) is integrally molded on the upper part of the side parts (23) (23). In the figure, (23a) (23a) are folding parts that are integrally provided on the side parts (23) and (23) and are folded toward the back side of the frame (3).

In the figure, (5) is a foam headrest pad of the headrest (HR) that is molded separately from the pad (2), and the headrest frame (5) extends inward from the bottom surface of the headrest pad (5). 6) is provided with an insertion groove (51) into which it is inserted.

FIG. 2 shows the central part (20) of the pad (2).
) On the front (21), the body (11) of the trim cover (1)
The state in which the back surfaces are bonded is shown, and this bonding is performed by applying pressure using an upper die (U) and a lower die (L). This trim cover (1) is attached to the body (11) of the trim cover (1).
) except for the part, turn it over as shown in Figure 1.

FIG. 3 shows the body (11) of the trim cover (1).
) to the pad (2), fold back the parts of the trim cover (1) except for the body (11) so that the surface is the outer surface, and glue the top (22) and side (23) of the pad (2). (2
3) Covering the bottom part (24) and making the headrest cover (4) protrude outward from the opening of the upper gusset (12),
Shows the state where the surface is the outer surface.

FIG. 4 shows the frame (3) being attached to the trim cover (1) that covers the pad (2) of FIG. 3. First, the headrest pad (5) is attached to the pad (2). It is inserted into the headrest cover (4) through the through hole (22a) provided in the top (22). Then frame (
3) and the headrest frame (6) integrated with the pad (5).
) from the inside of the pad (22a) and insert it into the insertion groove (51) of the headrest pad (2), and attach the frame (3) to the inside of the pad (2).

[0012] The frame (3) consists of a main body (31) made of a pipe bent into a frame shape, and side frames (32) (32) fixed to the left and right of this main body (31) facing forward. , An S-shaped spring (33) that supports the pad (2) is stretched on this frame (3), and on the back side of this S-shaped spring (33) there is a horizontal support rod (35) and a vertical support rod on the left and right sides. Support rod (
34) (34) is welded. This vertical support rod (34)
(34) on the opposite inner edges of said trim cover (1).
Terminals (13a) (13a) are fixed.

Frame (3), headrest frame (
6), attach the folded parts (23a) (23) of the pad (2).
Fold a) back to the back side of the frame (3), and attach the ends (13a) (13a) of the trim cover (1) to the frame (3).
from the back side of the vertical support rod (34) (34),
In addition, by tying the end (14a) of the trim cover (1) to a fixing member provided at the bottom of the back of the frame (3) with a hog ring or the like, the trim cover (1), pad (2), headrest cover (4), headrest pad (5), frame (3), and headrest frame (6) are integrated.

After that, the vertical support rod (3) of the frame (3) is
4) By fixing the backboard (7) to (34) etc., the seat back (SB) integrated with the headrest (HR) shown in FIG. 6 is assembled.

[0015]

[Effects of the Invention] According to the present invention, the headrest pad of the headrest is molded separately from the pad of the seat back, and the trim cover is integrally provided with a headrest cover sewn into a bag shape in advance, and the headrest cover is attached to the trim cover. A seat back with an integrated headrest can be assembled by gluing the body of the trim cover to the pad and attaching a frame with a headrest frame. Therefore, unlike the conventional products, the fasteners are not exposed on the headrest, and the appearance quality of the seat back is improved. Furthermore, the headrest can be easily assembled to the seat back, improving work efficiency.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the method of the present invention before a trim cover is bonded to a pad.

FIG. 2 is a sectional view showing a state in which the trim cover is adhered to a pad.

FIG. 3 is a sectional view showing a state in which the trim cover is adhered to the pad and the pad is covered with the trim cover.

[Fig. 4] In the state shown in Fig. 3, the headrest pad,
FIG. 3 is a perspective view showing a state in which the frame is attached.

FIG. 5 is a sectional view of the frame attached.

FIG. 6 is a perspective view of a seat back with an integrated headrest assembled by the method of the present invention.

FIG. 7 is a partially cutaway perspective view of a conventional seat back with an integrated headrest.

FIG. 8 is a perspective view from the same rear direction.

[Explanation of symbols]

1 Trim cover 2 Pad 3 Frame 4 Headrest cover 5 Headrest pad 6 Headrest frame

Claims (1)

[Claims] [Claim 1] The opening of the bag-shaped headrest cover is integrally sewn to the edge of the opening provided at the top of the trim cover,
After turning over this trim cover and inserting the headrest cover into the opening of the turned over trim cover,
Glue the back side of the body of the turned-over trim cover to the front of the foam padding that covers the frame except for the back side, and then make the headrest cover protrude outside from inside the opening of the trim cover. A headrest pad, which is molded to the approximate external shape of the headrest and has an insertion groove inward from the bottom, is inserted through the through hole provided at the top of the pad, and then into the insertion groove of the headrest pad, The headrest frame, which is integrally fixed to the frame, is inserted through the through hole of the pad, and the frame is attached to the pad, and then the turned over trim cover is folded back so that the surface is facing outward, and the side surface of the pad is attached. A method of assembling a seat back with an integrated headrest, which covers the frame and fixes the terminal on the back side of the frame.