JPH07304355A - Vehicle seat mounting structure - Google Patents

Abstract

(57) [Summary] [Purpose] The seat back can be positioned simply by holding it down, and the holding force of the seat back is small, making it easy to attach the seat back and maintaining a good appearance. An object is to provide a mounting structure for a vehicle seat. [Structure] Upper insert 8 on top of seat frame 3
The lower insertion body 9 and the tightening body 10 are provided in the lower part of the seat frame 3, the upper insertion port 12 is provided in the upper part of the cab back panel 2, and the lower insertion port 16 and the fixing part 15 are provided in the lower part. , The upper and lower inserts 8 and 9 of the seat frame 3 are inserted into the upper and lower inserts 12 and 16 of the cab back panel 2, and the tightening body 10 is fixed.
In the vehicle seat mounting structure in which the upper and lower portions of the seat back 1 are fastened to the cab back panel 2, the upper insertion member 8 of the seat frame 3 is engaged with the lower end peripheral portion 12a of the upper insertion port 12 of the cab back panel 2. A mating engaging portion 8b is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat mounting structure.

[0002]

2. Description of the Related Art Conventionally, a vehicle seat provided on a cab-over type truck or the like comprises a seat cushion 51 on which an occupant sits and a seat back 52 which receives the occupant's back, as shown in FIGS. Of these, the seat back 52 is attached to the vehicle body side panel by being fixed to the insertion means and a fastener such as a screw.

Therefore, inside the seat back 52, there is provided a seat frame 53 composed of wires 53a arranged vertically and horizontally. And the seat frame 53
An upper insertion portion 54 formed by bending the wire material 53a into a U-shape is provided on the upper portion of the upper portion of the seat back 52, and the upper insertion portion 54 is arranged so as to project upward from the upper portion of the seat back 52. In addition, a wire rod 53a is provided below the seat frame 53.
U-shaped bent lower insertion part 55 and tightening part 5
6 are provided, and the lower insertion portion 55 and the tightening portion 56 are respectively arranged so as to project downward from the lower portion of the seat back 52.

On the other hand, an upper member 58 is fixed to the upper portion of the cab back panel 57 which constitutes the rear wall of the cab of the truck along the vehicle width direction.
An upper insertion port 58a corresponding to the upper insertion portion 54 of the seat frame 53 is provided at the end of the. Also,
A lower member 59 is fixed to the lower portion of the cab back panel 57 along the vehicle width direction, and the lower member 59 has a lower insertion opening corresponding to the lower insertion portion 55 and the tightening portion 56 of the seat frame 53. 59a and fixed part 5
9b is provided.

In order to mount the seat back 52 on the cab back panel 57, first, the lower insertion portion 55 of the seat frame 53 is inserted into the lower insertion opening 59a, and then the upper insertion portion 54 of the seat frame 53 is inserted. The same procedure is used to insert the upper insertion port 58a. After that, if the fastening portion 56 of the seat frame 53 is fastened and fixed to the fixing portion 59b with a screw or the like, the work of attaching the seat back 52 is completed.

[0006]

However, in the above-mentioned conventional mounting structure, since the upper insertion portion 54 of the seat frame 53 is formed in a U-shape extending upward, the upper insertion portion 54 is not formed. When inserting into the upper insertion port 58a of the cab back panel 57, the vertical position is not determined, and the seat back 52 must be held in an appropriate position until the screw tightens the tightening portion 56 of the seat frame 53. It was Moreover, since a force in the clockwise direction acts on the seat back 52 when tightening with the screw, it is necessary to perform the mounting work while holding the seat back 52 with a constant force. Therefore,
The conventional mounting structure has a disadvantage that the mounting work of the seat back 52 is complicated and the efficiency of the mounting work cannot be improved.

Further, when the seat back 52 is fixed while receiving the force in the clockwise direction, the seat back 52 is fixed.
Since, as shown in FIG. 11, it is attached by inclining downward by an angle θ, the appearance may be spoiled. In particular,
If the trim of the seatback 52 is provided with a lateral pattern (quilting line, etc.) L, there is a possibility that it may be very noticeable.

The present invention has been made in view of the above circumstances, and an object of the present invention is to position the seat back only by pressing it and to reduce the seat back holding force. It is an object of the present invention to provide a mounting structure for a vehicle seat, which can be easily performed and can maintain a good appearance.

[0009]

In order to solve the above-mentioned problems of the prior art, in the present invention, an upper insert is provided on the upper part of a seat frame constituting a seat back, and a lower part is provided on the lower part of the seat frame. A side insert and a tightening body are provided respectively, an upper insert is provided in an upper part of the cab back panel, a lower insert and a fixing part are provided in a lower part of the cab back panel, and the upper and lower inserts of the seat frame are In a vehicle seat mounting structure in which the upper and lower portions of the seat back are attached to the cab back panel by inserting the upper and lower portions of the seat back into the upper and lower insertion ports of the cab back panel, and the upper insert of the seat frame. An engaging portion that engages with a lower end peripheral portion of the upper insertion port of the cab back panel is provided.

[0010]

In the vehicle seat mounting structure according to the present invention, the upper insertion member is provided on the upper portion of the seat frame forming the seat back, and the upper insertion member is engaged with the lower end peripheral portion of the upper insertion port of the cab back panel. Since the mating engagement part is provided, the upper and lower inserts of the seat frame are inserted into the upper and lower inserts of the cab back panel, and the tightening part of the seat frame is fastened to the fixed part of the cab back panel with a screw. Serves as a vertical stopper, and its positioning can be performed simply by pressing the seat back. Further, when tightening with the screw, the engaging portion of the upper insert contacts the lower end peripheral portion of the upper insert opening, so that the engaging action prevents the seat back from rotating, and the seat back can be held with a small force. The tilt of the back can be reliably prevented.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments.

1 to 8 show an embodiment of a vehicle seat mounting structure according to the present invention. In the figure, reference numeral 1 denotes a seat back of a vehicle seat disposed in a cab of a cab-over type truck, and 2 denotes a rear wall of the cab of the truck, and a cab back similar to that shown in FIG. It is a panel.

The seat back 1 is fixed to the cab back panel 2 in a state where it is erected at the rear end of a seat cushion (not shown) so as to receive the back of the seated occupant. Therefore, a seat frame 3 formed of a wire is provided inside the seat back 1, and the seat frame 3 includes a main frame 4, an upper frame 5, a lower frame 6 and an inner frame 7. ing.

The main frame 4 is formed into a substantially rectangular front shape corresponding to the seat back 1 by bending the main frame 4, and the main frame 4 forms the seat back 1. The upper frame 5 and the lower frame 6 are obliquely arranged with the left and right upper corners of the main frame 4 in between, and their base ends are connected to the left side part 4a of the main frame 4 by welding. ing. An upper insert 8 formed by bending the upper frame 5 is provided at the tip of the upper frame 5, and the intersection with the main frame 4 is fixed to each other by welding.

As shown in FIGS. 1 and 2, the above-mentioned upper plug 8 has a U-shaped plug 8a extending upward.
And an engaging portion 8b formed at the inner lower end of the inserting portion 8a
The engaging portion 8b extends toward the inside of the seat back 1 in the vehicle width direction substantially parallel to the main frame 4, and the tip end is bent downward at a right angle. . Thus, the insertion portion 8a is inserted into an upper insertion port, which will be described later, and the engagement portion 8b is adapted to engage with the lower end peripheral edge portion of the upper insertion port, whereby the engagement portion 8b is engaged. It will have a positioning function and a rotation stop function. Therefore, the insertion portion 8a of the upper insertion body 8 is located above the upper portion of the main frame 4 and is arranged so as to project from the upper surface portion of the seat back 1.

In this embodiment, the upper insertion member 8 is provided with the engaging portion 8b, but as shown in FIG.
Although the width W of a is formed to be long according to the width of the upper insertion port described later, the rotation preventing effect can be obtained without providing the engaging portion 8b, but the insertion portion 8a can be inserted into the upper insertion port. It has a problem that it is not easy.

Further, the lower frame 6 is provided with a lower insertion body 9 formed by bending the lower frame 6 in a U-shape extending downward, and the intersection with the main frame 4 is welded. Stick to each other. Further, the inner frame 7 is obliquely arranged with the lower right corner of the main frame 4 in between, and its base end is connected to the bent portion 4 b of the main frame 4. Moreover, the inner frame 7
A tightening body 10 formed by bending the U-shape to extend downward is provided at the tip of the, and the intersection with the main frame 4 is fixed to each other by welding. The lower insertion body 9 and the tightening body 10 are located below the lower portion of the main frame 4 and project from the lower surface of the seat back 1.

On the other hand, an upper member 11 arranged along the vehicle width direction is fixed to the upper portion of the cab back panel 2. At the left end of the upper member 11,
As shown in FIGS. 3 to 5, an upper insertion port 12 is provided corresponding to the upper insertion member 8 of the upper frame 5, and the width of the upper insertion member 12 is the insertion portion 8 of the upper insertion member 8.
It is formed larger than a. Moreover, the left and right sides of the lower end peripheral edge portion 12a forming the upper insertion port 12 are formed so as to be inclined toward the cab side so as to engage with the engaging portion 8b of the upper insertion member 8.

A lower member 13 arranged along the vehicle width direction is fixed to the lower portion of the cab back panel 2. As shown in FIG.
As shown in FIG. 5, the seat bracket 14 is attached to correspond to the lower insert 9 of the lower frame 6, and the fixing portion 15 corresponds to the tightening body 10 of the inner frame 7 to the seat bracket 14 at a certain distance to the right. Are placed. As shown in FIGS. 7 and 8, the seat bracket 14 has a central portion protruding toward the cab side, and a lower insertion port 16 is provided on the cab back panel 2 side. This lower outlet 16
Is formed to have a width larger than that of the lower insert 9 inserted into this. The fixing member 15 of the lower member 13 is provided with a screw hole 17 into which a screw (not shown) is screwed.

In order to attach the seat back 1 of the present embodiment to the cab back panel 2, first, the lower insertion member 9 of the seat frame 3 is inserted from the lower insertion port 16 of the seat bracket 14 from the upper side of the vehicle body to the lower side of the vehicle body. It is inserted between the cab back panel 2 and the seat bracket 14. Next, the insertion portion 8a of the upper insertion body 8 of the seat frame 3
Is inserted upward between the cab back panel 2 and the upper member 11 through the upper insertion port 12 of the upper member 11. At this time, the engaging portion 8b of the upper insertion member 8 of the seat frame 3 hits and engages with the lower end peripheral portion 12a of the upper insertion opening 12 as shown in FIGS. It will be positioned simply by pressing.

After that, when a tightening body 10 of the seat frame 3 is tightened and fixed to the fixing portion 15 of the lower member 13 by screwing a screw (not shown) into the screw hole 17, the upper and lower parts of the seat back 1 are moved to the upper member. 11, the seat bracket 14 and the lower member 13 are attached to the cab back panel 2. Moreover, when the screw is tightened in the direction of the arrow C in FIG. 3, the engaging portion 8b of the upper insert 8 and the lower end peripheral portion 12a of the upper insert 12 are engaged, so that the seat back 1 It does not rotate in the same direction.

In the mounting structure of this embodiment, the upper insertion member 8 of the seat frame 3 has the insertion portion 8a and the engagement portion 8b.
And the upper end of the upper member 11 fixed to the cab back panel 2 is engaged with the lower end peripheral portion 12a of the upper member 11 to engage with the upper and lower sides of the seat frame 3. The inserts 8 and 9 are inserted into the upper and lower inserts 12 and 16, respectively, and the tightening body 10 of the seat frame 3 is attached to the lower member 13.
Until the engaging portion 8 is fastened to the fixing portion 15 of the
b functions as a stopper in the vertical direction of the seat back 1, and the seat back 1 is easily positioned.

When the screw is tightened, the seat back 1 is prevented from rotating due to the engaging action of the engaging portion 8b of the upper insert 8 and the lower end peripheral portion 12a of the upper insert 12. Back 1 is tightening direction (arrow C
The seat back 1 can be held without being tilted even if a small force is applied, because the seat back 1 is not fixed while receiving a force (clockwise direction).

The embodiment of the present invention has been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention.

[0025]

As described above, in the vehicle seat mounting structure according to the present invention, the upper insert is provided on the upper part of the seat frame constituting the seat back, and the lower insert is tightened on the lower part of the seat frame. Each of the bodies is provided with an upper insertion port at the upper part of the cab back panel, and a lower insertion port and a fixing part are provided at the lower part of the cab back panel. An upper insertion part of the seat frame, an upper insertion part of the seat frame, and an upper insertion part of the seat frame, the upper and lower parts of the seat back being attached to the cab back panel. Since the engaging part that engages with the lower edge of the mouth is provided, the seat frame tightening body is The seat back can be positioned only by pressing the stopper part of the upper insert that acts as a vertical stopper until it is fastened to the fixed part of the back panel, thus facilitating seat back mounting work. Therefore, the efficiency of the mounting work can be improved as compared with the conventional mounting structure.

Further, in the mounting structure of the present invention, when the fastening body of the seat frame is fastened to the fixed portion of the cab back panel with a screw or the like, the engagement portion of the upper insertion body abuts against the lower end peripheral portion of the upper insertion port to engage. Since the seat back is prevented from rotating in the tightening direction, the seat back can be held with a small force, and the workability of attaching the seat back is improved. Moreover, in the mounting structure of the present invention, since the seat back is not mounted while receiving the force in the tightening direction of the screw or the like, the seat back does not tilt and be fixed. A good appearance can be maintained even when a horizontal pattern is attached to the.

[Brief description of drawings]

FIG. 1 is a perspective view showing a seat back of a vehicle seat that is mounted by applying a mounting structure according to an embodiment of the present invention.

FIG. 2 is an enlarged front view showing a main part of a seat frame of the seat back.

FIG. 3 is a front view showing a state in which an upper insertion member of the seat frame is inserted into an upper insertion port of an upper member of a cab back panel.

4 is a cross-sectional view taken along the line AA in FIG.

5 is a plan view seen from the direction of arrow B in FIG. 3. FIG.

FIG. 6 is a front view showing a lower member fixed to a lower portion of the cab back panel.

FIG. 7 is a plan view showing a seat bracket having a lower insertion opening into which a lower insertion member of the seat frame is inserted.

FIG. 8 is a side view showing the seat bracket.

FIG. 9 is a perspective view showing a seat back of a vehicle seat that is mounted by applying a conventional mounting structure.

FIG. 10 is a perspective view showing a cab back panel of a vehicle.

FIG. 11 is a front view showing a seat back that is mounted while being tilted by a conventional mounting structure.

[Explanation of symbols]

 1 Seat Back 2 Cab Back Panel 3 Seat Frame 4 Main Frame 5 Upper Frame 6 Lower Frame 7 Inner Frame 8 Upper Insert 8a Insertion Part 8b Engagement 9 Lower Insert 10 Clamping Body 11 Upper Member 12 Upper Insert 12a Lower Edge Perimeter Part 13 Lower member 14 Seat bracket 15 Fixed part 16 Lower insertion port 17 Screw hole

Claims (2)

[Claims] 1. An upper insert is provided on an upper part of a seat frame constituting a seat back, a lower insert and a tightening body are provided on a lower part of the seat frame, and an upper insert is provided on an upper part of a cab back panel. At the same time, a lower insertion port and a fixing portion are provided in the lower portion of the cab back panel, the upper and lower insertion members of the seat frame are inserted into the upper and lower insertion ports of the cab back panel, and the tightening member is fastened to the fixing portion. In a vehicle seat mounting structure for mounting the upper and lower portions of the seat back to the cab back panel, an upper insertion member of the seat frame is provided with an engaging portion that engages with a lower peripheral edge portion of an upper insertion port of the cab back panel. A vehicle seat mounting structure characterized by being provided. 2. The upper insert of the seat frame,
It is characterized in that it is constituted by a curved insertion portion that is inserted into the upper insertion opening of the cab back panel, and an engagement portion that is formed at the inner lower end of the insertion portion and that extends in the vehicle width direction. The vehicle seat mounting structure according to claim 1.