JPH1042996A - Mounting structure of seat back panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably fix and support a seat back panel to a seat back without the seat back panel being released from the seat back by forming an engaging recessed part so as to be turned substantially down or opened on the seat back panel side, engagingly locking it to a frame member within the seat back. SOLUTION: A panel 1 formed by bending a plate is fixed to the back surface of a seat back 101. The frame 2 of the seat back and a wire horizontally laid by fixing both the ends to the frame 2 are provided within the seat back 101. Two hooks 11 are laterally protruded on the upper part of a support surface 1a The hook 11 is formed of a base part 11b extended up from the support surface 1a and an end part 11c bent toward the support surface 1a, and it is engagingly locked to the wire of the frame by the bent inner surface 11a of the end part 11c from the inside of the seat back 101. The engaging piece 16 of a lower support part 6 may be hooked on a wire 12 horizontally extended in the lower part of the frame 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat back panel mounting structure mounted on a seat back of a vehicle seat such as an automobile.

[0002]

2. Description of the Related Art FIG. 4 is a perspective view of a seat back portion of an automobile seat. In FIG. 4, reference numeral 100 denotes a seat, 101 denotes a seat back, and a seat back panel (hereinafter abbreviated as a panel) 1 formed by bending a plate material is mounted on the back of the seat back 101.

FIG. 5 shows an example of a conventional mounting structure for the panel 1. As shown in FIG. 5 and 4, the panel 1 is fixed to the frame 2 which is the metal core of the seat back 101 at three places: an upper engaging portion 4, a central engaging portion 5, and a lower engaging portion 6.

The upper engaging portion 4 is provided with a hook 41 projecting upward from the plate surface of the panel 1, and the hook 41 is fixed at both ends to the frame 2 from below, It is adapted to be engaged with a wire 3 extending in the horizontal direction. Further, the center engaging portion 5 and the lower engaging portion 6 have a structure in which an engaging piece projecting from the plate surface of the panel 1 is fitted into an engaging hole of the frame.

When mounting and fixing the panel 1 to the seat back 101, the hook 41 is pulled from below into the inside of the wire 3 of the frame 2 by pushing up the panel 1 from below as shown by the arrow Y. After hooking, the panel 1 is pushed in the direction of arrow Z to engage the projections of the central engaging portion 5 and the lower engaging portion 6 into the holes of the frame 2. Thus, the seat back panel 1 is mounted on the back of the seat back 101 with one touch.

[0006]

In the prior art seat back panel 1 mounting structure as shown in FIG. 5, when the panel 1 is mounted on the seat back 101 and fixed, as described above. The panel 1 is inserted from below and pushed up, and the hook 41 is hooked inside the wire 3.

For this reason, when the occupant sits on the seat 100, a sudden urge is given to the seat back 101, or the weight of the seated occupant is reduced by the recoil of a sudden stop or the like.
When the impact force is applied to the seat back panel 1, the impact force acts on the seat back panel 1, the panel 1 bends, the hook 41 goes down, and the hook 41 and the wire 3 are disengaged. However, there is a problem that the panel 1 may come off from the seat back 101 or be jumped backward and collide with a rear occupant.

SUMMARY OF THE INVENTION In view of the above problems, the present invention prevents the occurrence of the problem that the seat back panel is disengaged or jumped from the seat back even when an impact load is applied to the seat back. An object of the present invention is to provide a seat back panel mounting structure in which a seat back panel can be securely mounted on a seat back with a simple structure and a simple procedure.

[0009]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems and is characterized by a vehicle having a plate-shaped seat back panel attached to the back of a seat back. In the mounting structure of the seat back panel of the seat, a root portion fixed to the inner surface of the seat back panel and extending upward from the fixing portion to above the seat back, and bent from the root portion toward the inner surface side of the panel. A seat back panel for a vehicle seat, characterized in that an engagement concave portion formed with the front end portion is formed so as to be substantially downward or open to the seat back panel side, and is locked to a frame member inside the seat back. In the mounting structure.

[0010] In addition to the above-mentioned means, the present invention further provides an engaging portion, wherein the hook portion is provided on an upper portion of the seat back panel, and is engaged with the frame member of the seat back by being pushed into the seat back panel side. Means provided.

More preferably, in each of the above means,
The hook portion is fixed from the inside of the seat back to a wire which is fixed to the frame member at both ends and extends in a substantially horizontal direction.

According to each of the above means, when the seat back panel is mounted on the seat back, the panel is pushed upward while being pushed into the seat back from below, and the bent portion at the tip of the hook portion is inserted into the frame. Hang on the wire from the inside of the seat back, lock the tip almost horizontally,
Next, the seat back panel is pressed in the direction of the seat back to lock the lower engaging portion to the frame. Thus, the seat back panel is firmly fixed to the back of the seat back with one touch.

[0013] The seat back panel is fixed to the seat back as described above, and even if an impact load is applied from the occupant toward the plate surface of the seat back panel,
Since the hook portion is hooked to the frame in such a manner that the front end portion thereof is bent from the inside of the seat back to the inner surface of the seat back panel in the horizontal direction, the seat back panel comes off rearward due to the load. There is no.

Further, even if the lower engaging portion is disengaged and the lower portion of the seat back panel is separated from the seat back, the hook portion disposed on the upper portion has the tip portion substantially horizontal from the inside of the seat back as described above. Since the hook portion is hooked so as to be locked, the hook portion is not unlocked, so that the occurrence of a problem that the seat back panel jumps rearward is prevented.

Further, the hook portion may be formed in a U-shape having a folded portion that extends from the root portion toward the inner surface side of the seat back panel and is folded downward at the tip portion. .

According to this structure, since the hook portion is formed in a U-shape and the folded portion is formed, the hook portion is hard to be detached from the frame when the impact load acts, and the seat back is more stably formed. The panel can be fixed to the seat back.

In the seat back panel mounting structure, preferably, the hook portion pushes the seat back panel upward while pressing the seat back panel from below the back of the seat back to the seat back side. The front side of the wire of the frame is configured to pass from below to above before engaging with the wire.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will now be described in detail with reference to the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention unless otherwise specified, and are merely illustrative examples. Only.

FIG. 1 is a side view showing a seat back panel mounting structure according to an embodiment of the present invention (a view taken along the line AA in FIG. 4), FIG. 2 is a front external view of the seat back panel, and FIG. It is a figure (the BB arrow line view of FIG. 2). FIG. 4 is a perspective view of an automobile seat back portion.

In FIG. 4, reference numeral 100 denotes a seat, 1
Reference numeral 01 denotes a seat back, and a seat back panel (hereinafter abbreviated as a panel) 1 formed by bending a plate material is fixed to the back of the seat back 101. And
As shown in FIG. 1, reference numeral 2 denotes a seat back frame provided in the seat back 101, and reference numeral 3 denotes a wire fixed to both ends of the frame 2 and stretched in a horizontal direction.
The mounting structure of the frame 2 and the wires 3 is the same as the conventional structure shown in FIG.

1 to 3, the panel 1 is provided so that its supporting surface 1a covers substantially the entire back surface except the head of the seat back 101, and its edge 1b is bent to form It fits.

At the upper part of the support surface 1a, two hooks 11 are provided so as to project right and left. As shown in FIGS. 1 and 3, the hook 11 has a tip 11c extending upward from the support surface 1a and a tip 11c bent from the root 11b toward the support surface 1a. The wire of the frame 2 is locked from the inside of the seat back 101 at the bent inner surface 11a of the portion 11c.

Reference numeral 5 denotes a central engaging portion provided at two positions on the left and right of a substantially central portion of the panel 1;
It is a lower engaging portion provided at a location. The structure of the central engaging portion and the lower engaging portion 6 is the same as that of the conventional one shown in FIG. 5, but the lower supporting portion 6 is, as shown in FIG.
The engaging piece 61 fixed to the support surface 1a may be hung on a wire 12 extending horizontally below the frame 2.

As shown in FIG. 3B, the hook 11 has a U-shaped portion having a folded portion 11d whose tip portion 11c extends toward the support surface 1a of the seat back panel 1 and is then bent downward. It may be formed in a shape.

With this structure, the seat back 10
The hook 11 is formed in a U-shape having a folded portion 11d at the tip end portion 11c when an impact load acts on the seat back panel 1 in a direction to separate the seat back panel 1 from the seat back 101. 3, the seat back panel 1 is more stably attached to the seat back 101.
Can be fixed to

In the seat back structure constructed as described above, when the panel 1 is mounted on the seat back 101, the panel 1 is pushed in from the bottom as shown by the arrow W in FIG. And the bent inner surface 11a of the tip 11c of the hook 11 is connected to the wire 3 of the frame 2.
After the front end 11c is engaged from the inside (the sheet surface 101a side) so as to face the support surface 1a of the panel, the panel 1
Push the lower part from the center in the direction of arrow V in FIG.
The engaging pieces (not shown) of the central engaging portion 5 and the lower engaging portion 6 are engaged with the engaging portions (not shown) provided on the frame 2.
To be engaged.

By this operation, the hooks 11 of the panel 1 are securely locked to the wires 3 from the inside of the seat back 101, and
It is firmly fixed with one touch.

Thus, even when an impact load as shown by the arrow U in FIG. 1 is applied to the seat back 101 during operation of an automobile equipped with the seat back panel mounting structure, the panel 1 is still mounted. , Hook 11 is seat back 1
01 is fixed to the wire 3 of the frame 2 in a form bent from the inside (the sheet surface 101a side) to the rear side (the panel supporting surface 1a side).
Does not come off rearward due to the load.

Further, even if the impact load becomes excessive due to a collision or the like and the center engaging portion 5 and the lower engaging portion 6 are disengaged from the frame 2 side, the hook 11 is moved from the inside of the panel 1 and its tip. Since the portion 11c is hooked on the wire 3 from above and is engaged with the wire 3, the hook 11 does not come off from the wire 3, and the lower portion from the center portion is connected to the wire 3 at the hook 11 portion. The panel 1 is suspended, and the panel 1 does not jump backward.

[0030]

According to the present invention, the hook portion provided on the seat back panel is hooked from the inside of the seat back, and the front end portion 11 is hooked on the frame, so that the frame is directed toward the panel side. The hook portion does not come off even if a load in the direction of removing the panel acts on the seat back. Therefore, even if an impact load is applied to the seat back, the seat back panel is not detached from the seat back due to the load,
It can be fixed and supported stably on the seat back.

The fixing of the seat back panel to the seat back can be performed by one-touch operation of the engagement of the hook and the engagement of the lower engagement portion, so that the assembly is simple.

[Brief description of the drawings]

FIG. 1 is a side view showing a mounting structure of a seat back panel according to an embodiment of the present invention.

FIG. 2 is a front external view of the seat back panel.

3 (A) is a view on arrow BB in FIG. 2, and FIG. 3 (B) is an enlarged view showing another side of the hook.

FIG. 4 is a perspective external view of an automobile seat.

FIG. 5 is an equivalent view of FIG. 1 showing a conventional seat back panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seat back panel 1a Support surface 2 Frame 3 Wire 5 Center engaging part 6 Lower engaging part 11b Root part 11c Tip part 11d Folding part 100 Seat 101 Seat back

Claims (4)

[Claims] 1. A seat back panel mounting structure for a vehicle seat, comprising a plate-shaped seat back panel mounted on the back of a seat back, wherein the seat back panel is fixed to an inner surface of the seat back panel. An engagement concave portion formed of a root portion extending upward from the base portion and a tip portion bent from the root portion toward the inner surface side of the panel is formed so as to open substantially downward or to the seatback panel side, and the inside of the seatback is formed. A seat back panel mounting structure for a vehicle seat, wherein the seat back panel is attached to a frame member. 2. The hook portion is provided on an upper portion of a seat back panel, and a lower portion of the seat back panel is engaged with a frame member of the seat back by pushing the panel toward a seat back side. The mounting structure for a seat back panel of a vehicle seat according to claim 1, further comprising a joining portion. 3. The vehicle according to claim 1, wherein the hook portion is fixed at both ends to the frame member and is locked from inside the seat back by a wire extending in a substantially horizontal direction. Seat back panel mounting structure. 4. The hook portion is formed in a U-shape having a folded portion which extends from the root portion toward the inner surface side of the seat back panel from the root portion and is folded downward at a tip end portion thereof. A mounting structure for a seat back panel of a vehicle seat according to any one of claims 1 to 3.