JP4072485B2 - Trim cover terminal mounting structure - Google Patents

Description

  The present invention relates to a terminal mounting structure for a trim cover of an automobile seat cushion.

An automobile seat cushion is generally configured by covering the entire surface of a cushion pad with a trim cover.
The first attachment structure of the end of this kind of trim cover has a front side formed by a cushion pad and a back side formed by a panel. The end of the trim cover that covers the front side is folded back to the back side, It has a structure in which resin hooks provided at appropriate intervals on the terminal are engaged with locking holes of recesses provided along the peripheral edge of the panel (see, for example, Patent Document 1).

  In another second mounting structure, the trim cover is mounted by locking a hook attached to the lower end of the trim cover to the lower end of the seat frame (see, for example, Patent Document 2). In this second mounting structure, the reclining mechanism protrudes upward through the through holes formed in the pad and the trim cover, respectively. That is, the trim cover is attached with its end edge positioned outside the reclining mechanism.

In yet another third mounting structure, one end of the pulling cloth is stitched to the lower end of the trim cover that covers the pad, and the other end of the pulling cloth turns around to the back side of the pad with a predetermined tension applied. Therefore, it is locked by a clip (see, for example, Patent Document 3).
No. 2-89998 specification and drawings. Description of paragraph numbers [0016] and [0017] of JP-A-2002-199952 and description of FIG. Description of paragraph number [0014] of JP-A-2002-193049 and description of FIG.

  However, in these conventional terminal mounting structures, in the first or third mounting structure, since the terminal of the trim cover is mounted with a hook or a pulling cloth at appropriate intervals, a portion without a hook or a pulling cloth is used. The terminal of the trim cover is lifted up, which makes it look bad and the seat cushion is slidably supported with respect to the vehicle body. There is a problem that there is a risk of being caught by other objects.

  The same applies to the second mounting structure, and the trim cover is kept in proper tension by the applied tension when no occupant is present, but the tension is released by the occupant's seating and reclining. There is a possibility that the end of the trim cover located outside the mechanism may be lifted, and this lift has the same problem as described above.

  In view of this, the present invention provides a trim cover terminal mounting structure that can suppress the lifting of the trim cover terminal at both sides of the rear portion of the seat cushion as much as possible, and achieve both improvement in appearance and avoidance of interference with other members. It is intended to provide.

In order to achieve the above-mentioned object, the invention of claim 1 is a trim cover terminal mounting structure on both side portions of a seat cushion rear portion, and projects from the cushion frame on the rear portion side of the seat cushion. A spacer that maintains a constant distance from the reclining base, and a flat plate-like engagement that is coupled to the edge of the trim cover with a long coupling portion that is substantially perpendicular to the trim cover retracting direction. and means, wherein said trim cover said engaging means into engagement with said spacer is attached.

  Therefore, according to the first aspect of the present invention, the trim covers positioned at both side portions of the rear portion of the seat cushion are attached to the inside of the reclining base by engaging the engaging means with the spacer. In this attached state, the trim cover is pulled in as a whole through the long coupling portion, and the bulge to the outside is prevented by the reclining base. In addition, it is possible to effectively prevent the terminal of the trim cover located on both sides of the rear portion of the seat cushion from being lifted.

  Further, the spacer and the engaging means engaged with the spacer are covered with a reclining base fixed to the cushion frame to be protected from interference with an external member and can be prevented from being visually recognized from the outside. .

The invention of claim 2 is the terminal cover mounting structure of the trim cover according to claim 1,
The spacer is constituted by a projecting portion in which a screw hole for fastening of the reclining base is formed so as to penetrate with the cushion frame,
The engaging means is constituted by a plate-like body having an engaging hole inserted into the protruding portion.

  For this reason, in the invention of claim 2, the plate-like body can be engaged with the projecting portion by inserting the engaging hole into the projecting portion, so that the end of the trim cover located on both sides of the rear portion of the seat cushion is provided. Each can be attached. At this time, the engagement hole is prevented from coming off from the protruding portion by a reclining base fixed to the cushion frame.

  In addition, the plate-like body in the engaged state is covered with the reclining base and protected from other external force loads, and the external force load (pressure contact force) from the reclining base is not affected by the presence of the protruding portion that performs the spacer function. The engagement state which is not received can be maintained.

Furthermore, since the fastening screw hole is formed at the set portion of the protruding portion, it is possible to prevent the frame strength from being lowered due to the screw hole formation.
Moreover, invention of Claim 3 is the terminal cover attachment structure of the trim cover of Claim 2, Comprising:
The plate-like body has a plurality of engagement holes that can be inserted into two or more of the protrusions, respectively.

  For this reason, in the invention of claim 3, by inserting a plurality of engaging holes into the corresponding protrusions, the plate-like body is prevented from swinging and is in a stable engaged state.

As described above in detail, the present invention can provide the following effects.
That is, according to the first aspect of the present invention, the trim cover is retracted so that the entire long portion of the end edge portion is integrally pulled in through the long coupling portion and the outward bulge is reclining. Therefore, it is possible to suppress the lifting of the end of the trim cover at both sides of the rear portion of the seat cushion as much as possible, and to achieve both improvement in appearance and avoidance of interference with other members.

  In addition, according to the first aspect of the present invention, the spacer and the engaging means engaged with the spacer are covered with the reclining base to be protected from interference with the external member, and are visible from the outside. Thus, it is possible to improve the durability and appearance of the engaging portion of the trim cover.

  According to the second aspect of the invention, the trim cover mounting operation is performed under appropriate tension in addition to the simple operation of inserting the engagement hole into the protruding portion. In addition to the effect of the first aspect of the invention, the mounting operation can be facilitated.

  In addition, according to the invention of claim 2, the plate-like body in the engaged state is covered with the reclining base and protected from other external force loads, and the reclining base maintained by the protruding portion having a spacer function. Since it is held within the space between the cushion frame and the cushion frame, it is possible to maintain an engagement state that does not receive any external force load (pressure contact force), thereby improving the durability of the plate-like body itself. Can do.

  Further, according to the invention of claim 3, the plate-like body can be held in a stable engagement state without swinging by inserting the plurality of engagement holes into the corresponding protrusions, respectively. In addition to the effect of the invention of Item 2, it is possible to further facilitate the mounting workability.

Hereinafter, the present invention will be described based on illustrated embodiments. In the figure, FR is the front side of the vehicle body, RR is the rear side of the vehicle body, UP is the upper side of the vehicle body, and LWR is the lower side of the vehicle body.
FIG. 1 is a cross-sectional view of a main part showing an assembled state of a terminal mounting structure 1 for a trim cover as an embodiment of the present invention. FIG. 2 is an exploded perspective view of a main part of the terminal mounting structure 1. These are the principal part perspective views which show the assembly | attachment state of only the frame | skeleton part of the vehicle seat 2 to which the said terminal attachment structure 1 is applied.

  The seat cushion 3 of an automobile is generally configured by covering the entire surface of the cushion pad 10 with a trim cover 4. The trim cover terminal mounting structure 1 is a terminal mounting structure of the trim cover 4 on both side portions of the rear portion of the seat cushion 3. In FIG. 3, reference numeral 18 denotes an S spring suspended from the seat cushion 3, reference numeral 19 denotes a wire spring suspended from the seat back 20, and reference numeral 21 denotes a reclining mechanism.

  At this time, the trim cover terminal mounting structure 1 includes a spacer 7 provided on the cushion frame 5 on the rear side of the seat cushion 3 to maintain a constant distance between the cushion frame 5 and the reclining base 6, and an end of the trim cover 4. The edge portion 4a is provided with a flat engagement means 9 having a long coupling portion 8 which is substantially orthogonal to the pulling direction a of the trim cover 4, and the reclining base 6 is fixed to the cushion frame 5. The trim cover 4 is attached by engaging the engaging means 9 with the spacer 7 in this state.

  In the present embodiment, the engaging means 9 is made of a flat resin material having a length substantially equal to the width H of the rear end of the cushion frame 5 (see FIG. 2), and one side along the length. The whole is stitched to form a long coupling portion 8, and the coupling portion 8 is coupled to the edge 4 a of the trim cover 4.

  The reclining base 6 is fixed to the cushion frame 5 by a spacer 7 at a constant interval G (see FIG. 1), and the trim cover 4 is engaged with the reclining base 6 in the fixed state to the cushion frame 5. By engaging 9 with the spacer 7, it is attached to the inside of the reclining base 6.

  In this configuration, the trim cover 4 is prevented from being pulled in by the entire long portion of the end edge portion 4a through the long coupling portion 8 and from being swollen outward by the reclining base 6. Thus, it is possible to effectively prevent the end of the trim cover 4 located on both sides of the rear portion of the seat cushion 3 from being lifted, thereby achieving both improvement in appearance and avoidance of interference with other members. Can do.

  Further, the spacer 7 and the engaging means 9 engaged with the spacer 7 are covered with a reclining base 6 fixed to the cushion frame 5 to be protected from interference with an external member, and are visible from the outside. Thus, it is possible to improve the durability and the appearance of the engaging portion of the trim cover 4.

  Preferably, the spacer is constituted by a protruding portion 7 in which a fastening screw hole 11 of the reclining base 6 is formed so as to penetrate with the cushion frame 5, and the engaging means has an engaging hole 12 inserted into the protruding portion 7. It is comprised by the plate-shaped body 9 pierced.

  In the present embodiment, the projecting portion 7 is formed of a cylindrical member having a fastening screw hole 11 formed through the central portion thereof, and the fastening screw hole 11 matches the screw hole formed on the cushion frame 5 side. And is fixed to the cushion frame 5 by welding. A nut 13 is fixed to the cushion frame 5 on the opposite side of the protruding portion 7 by welding so as to match the screw hole of the cushion frame 5.

  As shown in FIG. 2, a protrusion 15 is formed at the center of the end of the cushion frame 5, and two protrusions 7 are provided on both sides of the protrusion 15. A cut and raised piece 17 is formed on the top of the convex portion 15. As shown in FIG. 3, the reclining base 6 cuts and raises a recess 6a formed at the lower end edge of the reclining base 6 so as to be positioned toward the piece 17, and the screw hole of the base 6 and the screw hole for fastening. 11 is fixed by a bolt 14 inserted through the nut 13 and screwed into the nut 13.

  Further, as shown in FIG. 2, the plate-like body 9 has an end of the trim cover 4 with one long side portion as a long coupling portion 8 out of the two long side portions of the substantially rectangular plate-like body. A notch recess 16 is formed in the central portion of the other long side portion so as to escape the protrusion 15 of the reclining base 6 and is opened to the projecting portion 7 on both sides of the notch recess 16. The engagement hole 12 is formed as a whole.

  In this configuration, the plate-like body 9 can be engaged with the projecting portion 7 by inserting the engaging hole 12 into the projecting portion 7, whereby the trim cover 4 positioned on both sides of the rear portion of the seat cushion 3 can be engaged. Each terminal is attached. At this time, the engagement hole 12 is prevented from coming off from the protruding portion 7 by the reclining base 6 fixed to the cushion frame 5. In addition to the simple operation of inserting the engagement hole 12 into the protruding portion 7, this mounting operation is performed under application of appropriate tension, so that the engagement hole 12 is simply inserted into the protruding portion 7. Since it can be temporarily fixed, it is easy.

  In addition, the plate-like body 9 in the engaged state is covered with the reclining base 6 to be protected from other external force loads, and is maintained between the reclining base 6 and the cushion frame 5 that are maintained by the projecting portion 7 having a spacer function. Since it is held within the interval G, it is possible to maintain an engaged state that does not receive any external force load (pressure contact force) from the reclining base 6 (see FIG. 1). Thereby, durability of the plate-like body 9 in the engaged state can be improved.

  Furthermore, since the fastening screw hole 11 is formed at the set location of the protrusion 7, it is possible to prevent the strength of the cushion frame 5 from being lowered due to the formation of the screw hole 11. Thereby, the reclining base 6 is attached to the cushion frame 5 with a preferable fixing strength.

  More preferably, as in the present embodiment, the plate-like body 9 is configured to have a plurality of engagement holes 12 that can be inserted into two or more protrusions 7 respectively. In the present embodiment, the plate-like body 9 is configured to have two engagement holes 12 that can be inserted into the two protrusions 7 respectively.

  In this configuration, by inserting the two engagement holes 12 into the corresponding protrusions 7, the plate-like body 9 is prevented from swinging and is in a stable engagement state. Further simplification can be achieved.

It is principal part sectional drawing which shows the assembly | attachment state of the terminal attachment structure of the trim cover as one Embodiment of this invention. It is a disassembled perspective view of the principal part of the terminal attachment structure of FIG. It is a principal part perspective view which shows the assembly | attachment state of only the frame | skeleton part of the vehicle seat to which the terminal attachment structure of FIG. 1 is applied.

Explanation of symbols

1 Terminal mounting structure (terminal mounting structure of trim cover)
3 Seat cushion 4 Trim cover 4a Edge (trim cover)
5 Cushion frame 6 Reclining base 7 Protruding part (spacer)
8 Connecting portion 9 Plate body (engagement means)
11 Screw hole for fastening 12 Engagement hole a Pull-in direction (of trim cover)

Claims (3)

A terminal cover mounting structure for trim covers on both sides of the rear part of the seat cushion,
A spacer that protrudes from the cushion frame on the rear side of the seat cushion and maintains a constant distance between the cushion frame and the reclining base, and an end edge of the trim cover is substantially orthogonal to the pull-in direction of the trim cover. A trim cover, comprising: a plate-like engagement means coupled with a long coupling portion, wherein the trim cover is attached by engaging the engagement means with the spacer. Terminal mounting structure. The trim cover terminal mounting structure according to claim 1,
The spacer is constituted by a projecting portion in which a screw hole for fastening of the reclining base is formed so as to penetrate with the cushion frame,
The trim cover terminal mounting structure, wherein the engagement means is formed of a plate-like body having an engagement hole inserted into the protrusion. The trim cover terminal mounting structure according to claim 2,
The trim cover terminal mounting structure, wherein the plate-like body has a plurality of engagement holes that can be inserted into two or more of the protrusions.

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