JP4513640B2 - Hinge cover mounting structure - Google Patents

Description

  The present invention relates to a hinge cover structure that covers a hinge that rotatably connects a seat cushion and a seat back of a seat.

According to Japanese Utility Model Laid-Open No. 6-33541, the hinge bracket attached to the seat frame of the seat cushion and the connecting fitting attached to the seat back are hinged by the connecting pin, and the seat back is attached to the seat cushion. It can be turned. The hinge bracket disposed on one side of the seat cushion of the seat is provided with a hinge cover that improves the appearance and covers the hinge portion and can be easily attached to the hinge bracket. After the upper end of the hinge cover is locked to the upper edge of the hinge bracket, the retaining hook formed on the lower end of the hinge cover is fitted into the mounting hole formed on the hinge bracket, and the hinge cover is fixed to the bracket. is doing. The hinge cover is disposed on the side portion of the seat, and a gap is formed between the seat and the hinge cover.
Japanese Utility Model Publication No. 6-33541

However, in the case of a flip-up seat, when the seat is flipped up and placed in a standing posture, the lower surface of the seat cushion faces the rear side of the vehicle body, so the internal structure such as the hinge part can be seen from the gap between the hinge cover and the seat cushion. If the lower part of the hinge part can be covered, it looks good and leads to a high-class feeling.
Further, according to the above-mentioned Patent Document 1, the structure is such that it can be easily fixed to the hinge bracket without using a screw. However, some seats are provided with a seat belt buckle mounting stay on the bracket. Since the drawer outlet (see groove 16 in FIG. 5) of the buckle mounting stay is formed, it is necessary to slide the cover when fitting the fitting through the drawer opening. If there is a protrusion with a large protrusion amount, the buckle fitting and the protrusion may interfere with each other, and mounting may be troublesome.
An object of the present invention is to provide a mounting structure for a hinge cover that can be easily attached to a seat with good appearance without using screws.

In order to achieve the above object, the present invention provides a hinge cover in which a hinge cover is connected to a hinge bracket that rotatably supports a hinge shaft that connects a seat back and a seat cushion of a seat and rotates the seat back. In the mounting structure, an under cover that covers a lower portion of the seat cushion is extended to a lower portion of the hinge bracket, an engaging portion is provided at an upper and lower portion of the hinge cover, and the upper engaging portion of the engaging portions is the upper engaging portion. The extended portion of the under cover is covered with the hinge cover by engaging with the engaging portion of the hinge bracket and engaging the lower engaging portion with the extending portion of the under cover.
According to a second aspect of the present invention, a protrusion that protrudes toward the hinge bracket is formed on the extended portion of the under cover, and the protrusion is brought into contact with the hinge bracket surface.
According to a third aspect of the present invention, the locking portion of the hinge bracket is a tongue-like protrusion, and the hinge cover is positioned on both sides in the width direction of the protrusion to prevent lateral displacement of the hinge cover. Formed a regulation section.
According to a fourth aspect of the present invention, reinforcing ribs are formed on the inner surface of the hinge cover.
According to a fifth aspect of the present invention, the upper engaging portion of the hinge cover is a plate-like member that protrudes from the edge of the hinge cover toward the lower engaging portion, and the protruding portion of the hinge bracket is a plate. The lower engagement portion of the hinge cover is a hook portion that protrudes an edge portion of the hinge cover toward the upper engagement portion, and is inserted between the inner surface of the hinge member and the inner surface of the hinge cover. The hook portion was locked by a protruding locking claw formed on the extending portion.

According to a first aspect of the present invention, in the hinge cover mounting structure in which the hinge cover is covered with a hinge bracket that rotatably supports the seat back while connecting the seat back and the seat cushion of the seat, the lower portion of the seat cushion is covered. Extending the under cover to the lower part of the hinge bracket, providing an engaging part on the upper and lower parts of the hinge cover, and locking the upper engaging part of these engaging parts to the engaging part of the hinge bracket, Since the lower engagement portion is locked to the extension portion of the under cover so that the extension portion is covered with the hinge cover, the gap is eliminated by overlapping the hinge cover and the under cover. Since the internal structure cannot be seen, the appearance is improved.
According to a second aspect of the present invention, since a protrusion protruding toward the hinge bracket is formed on the extension portion of the under cover and the protrusion is brought into contact with the hinge bracket surface, an elastic force is applied to the extension portion. Easy to install under cover. In addition, after the under cover is attached, the under cover is prevented from bending. Further, in relation to the hinge cover, the engagement with the hinge cover is ensured.
According to a third aspect of the present invention, the locking portion of the hinge bracket is a tongue-like protrusion, and the hinge cover is positioned on both sides in the width direction of the protrusion to prevent lateral displacement of the hinge cover. Since the restricting portion is formed, the hinge cover can be prevented from rattling.
According to the fourth aspect of the present invention, since the reinforcing rib is formed on the inner surface of the hinge cover, the rigidity of the hinge cover is increased to prevent its bending and to ensure the engagement with the hinge bracket.
According to a fifth aspect of the present invention, the upper engaging portion of the hinge cover is a plate-like member that protrudes from the edge of the hinge cover toward the lower engaging portion, and the protruding portion of the hinge bracket is a plate. The lower engagement portion of the hinge cover is a hook portion that protrudes an edge portion of the hinge cover toward the upper engagement portion, and is inserted between the inner surface of the hinge member and the inner surface of the hinge cover. Since the hooking portion is locked to the protruding locking claws formed on the extending portion, it does not use a screw or the like for assembly, so that the appearance is good and the hinge cover can be easily attached.

Hereinafter, a hinge cover mounting structure according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a folding sheet according to the present invention, and FIGS. 2A to 2C are side views of the sheet showing a process until the folding sheet is folded.
As shown in FIG. 1, the rear seat 1 includes a seat cushion 2 and a seat back 3, and the seat cushion 2 and the seat back 3 are connected by a hinge bracket 4.
The seat 1 is fixed to the floor 22 side by a hinge fitting 5 having a hinge shaft 5b attached to the floor 22 on the front end side. The seat back 3 is provided with a hinge shaft 5a for rotating the seat back 3 back and forth. The rear end side of the seat cushion 2 is fixed by engaging a latch (not shown) with a striker attached to the floor side.

Such a rear seat 1 of an automobile has a seat back 3 as shown in FIG. 2B with the rear seat 1 in the seating posture of the occupant shown in FIG. Is folded over the seat cushion 2 and folded. Then, with the seat back 3 folded, the rear seat 1 is brought upright as shown in FIG. 2C with the hinge shaft 5b at the front lower portion of the seat cushion 2 as a rotation shaft.
In this way, by raising the rear seat 1, the loading platform is vacant as much as the place where the seat cushion 2 is disposed on the floor 22, so that a large amount of luggage can be loaded, thereby effectively using the indoor space. I am trying.

FIG. 3 shows a state in which the hinge bracket 4 is attached to the rear seat 1, and FIG. 4 is an enlarged view of the hinge bracket 4.
The hinge bracket 4 is formed in a vertically long substantially bow shape, has a substantially U-shaped cross section, has a semicircular shape on the upper end side, and is formed in a rectangular shape on the lower end side. In the seated state, the hinge hole 6 of the hinge shaft 5 a is formed on the upper side, and the attachment stay 8 provided on the buckle 7 of the seat belt is fixed to the rear seat 1 with the bolt 9. The mounting stay 8 is fixed to a frame (not shown) of the seat 1 together with the hinge bracket 4. On the upper edge of the hinge bracket 4, a tongue-like protrusion 10 is formed by protruding the upper end of the hinge bracket 4 in the distal direction.

  A hinge cover 11 made of resin is attached to the hinge bracket 4 as shown in FIGS. A hook 12 shown in FIGS. 7 and 8 is formed on the upper end side of the hinge cover 11 so as to correspond to the protrusion 10 of the hinge bracket 4. The hooking portion 12 is formed in a box shape by the hooking portion 12 and a regulating wall 12a serving as a side wall, and a central rib 13 is formed therein. As shown in FIG. 9, outer ribs 14 are formed on both sides of the regulating wall 12a with a gap therebetween. The length between the opposing regulation walls 12a is formed so that the projections 10 can be accommodated between the regulation walls 12a in correspondence with the width w of the projections 10. As shown in FIG. 7, the center rib 13 and the outer rib 14 form a slight gap (or substantially abut) on the outer peripheral surface of the hinge bracket 4.

As shown in FIG. 10, on the inner side surface of the hinge cover 11, a plurality of side ribs 15 that are in contact with or slightly spaced from the outer surface of the hinge bracket 4 are formed. As shown in FIGS. 5 and 6, the hinge cover 11 is formed with a groove 16 through which the seat belt mounting stay 8 is passed.
As shown in FIG. 5, a resin under cover 17 is attached to the lower portion of the seat cushion 2. As shown in FIG. 3, the under cover 17 forms an extending portion 17 a that extends in a U shape from the side portion on the rear end side. As shown in FIG. 11, a lower flange 4 a bent inward is formed at the lower portion of the hinge bracket 4. On the other hand, a protrusion 19 projecting upward is disposed on the inner bottom surface of the extension 17 a of the under cover 17, and the protrusion 19 is in contact with the lower surface of the lower flange 4 a of the hinge bracket 4. And the latching claw 20 of the triangular cross-sectional shape which formed the inclined surface which inclines below toward the inner side of the rear seat 1 is extended in the front-back direction of the rear seat 1 on the lower surface of the undercover. An upward hook 21 is formed on the lower edge of the hinge cover 11, and the upward hook 21 is hooked on the locking claw 20 so that the lower portion of the hinge cover 11 can be fixed to the under cover 17. is doing.

  When the hinge cover 11 is attached to the hinge bracket 4, the attachment stay 8 of the buckle 7 is passed through the groove 16 of the hinge cover 11 and the hinge cover 11 is slid downward, and the hook 12 is pulled to the protrusion 10. Multiply. Next, by simply pushing the lower end of the hinge cover 11 toward the seat side, the lower hooking portion 21 passes over the locking claws 20 and the hinge cover 11 can be fixed to the seat 1 side.

Next, the operation and effect of the hinge cover mounting structure according to the embodiment of the present invention will be described.
According to the present invention, the upper end side of the hinge cover 11 can be easily hooked without using screws because the hook portion 12 is hooked on the protrusion 10 and the lower end side is only hooked on the hook portion 21 with the hook portion 21. The hinge cover 11 can be assembled to the hinge bracket 4.
Since no protrusion is formed on the inner central portion of the hinge cover 11, the mounting stay 8 and the hinge cover 11 do not interfere with each other. On the other hand, the restriction wall 12 a prevents the displacement of the hinge cover 11 restricted by the protrusion 10.

By providing the protrusion 19 without contacting the entire surface of the lower flange 4a and the extended portion 17a, the bottom surface of the extended portion 17a has an elastic force, and the hook portion 21 of the hinge cover 11 It is possible to smoothly get over the locking claw 20. Further, the assembly width error between the hinge bracket 4 and the under cover 17 can be absorbed by the elastic width of the elastic force. Further, since the extended portion 17a is sandwiched between the lower flange 4a and the upward hooking portion 21, the extended portion 17a can be fixed.
Since the protrusion 19 is in contact with the lower flange 4a of the hinge bracket 4, the under cover 17 is prevented from being bent and the engagement with the hinge cover 11 is ensured. Since the lower part of the hinge cover 11 is attached so as to cover the lower part of the hinge bracket 4, there is no gap generated between the hinge cover 11 and the under cover 17 when the seat 1 is in the standing posture, Since the hinge bracket 4 and the like cannot be seen, the appearance is improved.

Although the embodiments of the present invention have been described above, the present invention is of course not limited thereto, and various modifications and changes can be made based on the technical idea of the present invention.
For example, in the above embodiment, the lower portion of the hinge cover 11 is hooked on the locking claw 20 having the upward hook portion 21 formed in the under cover 17. You may make it hook on the pawl 20.
The hooking portion 12 of the hinge cover 11 has the restriction wall 12a formed on the side portion of the hooking portion 12, but the strength of the hooking portion 12 is reduced, but the hooking portion 12 may have a tongue-like shape with the restriction wall 12a omitted.

It is a perspective view of the rear seat which adopted the attachment structure of the hinge cover by an embodiment of the invention. FIG. 2 is a view for explaining folding of the flip-up folding rear seat of FIG. 1, A is a state where the rear seat is in a seating position of the occupant, B is a state where the seat back is folded on the seat cushion, and C is a state where the seat back is folded. It is a side view of the state made into the standing posture in the state. It is the expansion perspective view which removed the hinge cover of the rear seat | sheet of FIG. 1, and looked at the hinge bracket part. It is the front view which looked at the hinge bracket of the rear seat of Drawing 1 from the side of the seat. It is the perspective view which looked at the hinge cover part of the rear seat of FIG. It is a side view of the hinge cover and under cover of the rear seat of FIG. It is the expansion perspective view which looked at the hinge cover and hinge bracket of the rear seat of FIG. 1 from the inner surface side of the rear seat. It is sectional drawing in the AA line direction of FIG. It is the front view seen from the side of the sheet | seat which shows engagement with the upper end part of the hinge bracket of the rear seat | sheet of FIG. 1, and a hinge cover. It is sectional drawing in the BB line direction of FIG. It is sectional drawing in the CC line direction of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seat 2 Seat cushion 3 Seat back 4 Hinge bracket 5 Hinge bracket 5a, 5b Hinge shaft 6 Hinge hole 7 Buckle 8 Mounting stay 9 Bolt 10 Protrusion 11 Hinge cover 12 Hook 12a Restriction wall 13 Central rib 14 Outer rib 15 Side Rib 16 Groove 17 Under cover 19 Protrusion 20 Locking claw 21 Upward hooking portion 22 Floor

Claims (5)

In the hinge cover mounting structure in which the hinge cover is covered by the hinge bracket that supports the hinge shaft that connects the seat back and the seat cushion of the seat and rotates the seat back.
An under cover that covers the lower part of the seat cushion is extended to the lower part of the hinge bracket, and an engaging part is provided at the upper and lower parts of the hinge cover. Of these engaging parts, the upper engaging part is engaged with the hinge bracket. An attachment structure for a hinge cover, wherein the extension portion is covered with a hinge cover by engaging with a stop portion and engaging the lower engagement portion with an extension portion of an under cover.   2. The hinge cover mounting structure according to claim 1, wherein a protrusion projecting toward the hinge bracket is formed on the extension portion of the under cover, and the protrusion is brought into contact with the hinge bracket surface. 3. .   The locking portion of the hinge bracket is a tongue-like protrusion, and the hinge cover is formed with a restricting portion that is positioned on both sides in the width direction of the protrusion to prevent lateral displacement of the hinge cover. The hinge cover mounting structure according to claim 1.   2. The hinge cover mounting structure according to claim 1, wherein a reinforcing rib is formed on an inner surface of the hinge cover. The upper engaging portion of the hinge cover is a plate-like member protruding from the edge of the hinge cover toward the lower engaging portion, and the protruding portion of the hinge bracket is connected to the inner surface of the plate-like member and the hinge cover. In between,
The lower engaging portion of the hinge cover is a hook portion in which an edge portion of the hinge cover protrudes to the upper engaging portion side, and is a protruding locking claw formed on the extending portion of the under cover 5. The hinge cover mounting structure according to claim 3, wherein the hook portion is engaged with the hinge cover.

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