JPH06335576A - Pull-in structure of sheet trim cover - Google Patents

Abstract

PURPOSE:To constitute a pulling part of a trim cover so that a pull-in state of a high quality is obtained by an extremely simple structure, and also, by a simple work, to improve workability and an appearance, and also, to obtain the pull-in structure of a sheet trim cover being excellent in profitability. CONSTITUTION:To the reverse side of a pull-in part of a trim cover 4, a pull-in member 11 is fixed. The pull-in member 11 is provided with a wedge-like projection 13 consisting of a synthetic resin formed part in its tip, and to a pull part recessed groove 7a of a pad material 7, a detaining member 15 of a female type consisting of a synthetic resin formed part for detaining the wedge-like projection 13 of the pull-in member 11 is fixed. By deforming elastically an insertion port 19 of the detaining member 15 of a female type, the wedge-like projection 13 is inserted and detained to a hollow wedge-like part 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a retracting structure of a trim cover as a skin material in a seat cushion or a seat back of a vehicle seat or the like, and more specifically, a pulling member on the back side of the retracting portion of the trim cover. And a leading end side of the pulling member is inserted into a pulling groove formed in the pad material, and a pulling-in portion of the trim cover is pulled into the pad material. .

[0002]

2. Description of the Related Art As shown in FIG. 6, a vehicle seat 1 mounted on, for example, an automobile comprises a seat cushion 2 and a seat back 3 standing upright on the back side thereof. The seat cushion 2 and the seat back 3 described above are generally composed of a seat cushion frame or a seat back frame (not shown), a pad material, and a trim cover 4 that covers the pad material as a skin material.

By the way, in the above-mentioned seat cushion 2 and seat back 3, as is apparent from FIG. 6, an appropriate design accent is attached to the seating surface to give the seat appearance. A pulling part 5 formed of a slit-like portion formed by pulling in the skin material is formed at an appropriate position for reasons such as good appearance.

As is apparent from FIG. 7, the pulling portion 5 formed by pulling in the skin material is formed by sewing one end of the pulling bag 6 to a part of the trim cover 4 as the skin material and at the tip. The pulling wire 6a is inserted into the pulling portion concave groove formed in the pad member 7 into the pulling groove 7a, and a spring member made of a slit wire or the like arranged inside the seat 1 or an S-shaped spring 8 is provided with an ohm clip. It is formed by connecting with 9 etc. and pulling it inside the seat.

[0005]

However, in the retracting structure of the trim cover 4 in the conventional seat structure described above, the number of parts to be assembled including the ohmic clip 9 is large and the ohmic clip 9 is stopped. Requires a special tool called a hook ringer, and the hook ringer is heavy and the assembly work is complicated, as well as this special tool is required when disassembling and recycling the sheet, which is complicated. Was inevitable.

Further, since the above-mentioned hook ringer is required, a space for the hook ringer to enter the pad material is required, which makes the seat assembly have a perforated shape, and as shown in FIG. Since they are fixed at appropriate intervals, there is a risk that a curved portion 10 is generated in the middle of the ohmic clip 9 and wrinkles or the like are generated on the trim cover 4, and the appearance is deteriorated.

Further, in the retracting structure of the trim cover 4 described above, the spring material such as the S-shaped spring 8 and the ohmic clip 9 are provided.
It is unavoidable that an interference sound is generated between
This point is also a problem, and it is desired to take some measures.

The present invention has been made in view of the above circumstances, and the retracting portion of a trim cover as a seat cushion or a seat back skin material has a very simple structure and a high quality by a simple operation. It is an object of the present invention to obtain a retractable structure of a seat trim cover which is excellent in workability and economical efficiency and which can obtain a retracted state in a good appearance.

[0009]

In order to meet such a demand, the retracting structure of the seat trim cover according to the present invention has a pulling member fixed to the back side of the pulling-in portion of the trim cover, and the tip of this pulling member. In the retracting structure of the seat trim cover in which the side is inserted into the groove for the pulling portion formed in the pad material, and the retracting portion of the trim cover is pulled inward of the pad material, the pulling member has a synthetic resin at the tip. It has a wedge-shaped projection made of a molded product, and a female locking member made of a synthetic resin molded product that locks the wedge-shaped projection of the pulling member is fixed to the pulling groove of the pad material. Characterize.

[0010]

According to the present invention, a pulling member having a wedge-shaped projection made of a synthetic resin molded product at the tip is fixed to the back surface of the trim cover where pulling is required, and the pulling groove of the pad member is provided with the pulling member. Since a female locking member made of a synthetic resin molded product that locks the wedge-shaped protrusion of the member is fixed, the rear surface side of the retracted portion of the trim cover can be entirely retracted, and the wedge-shaped protrusion is a synthetic resin molded product. It is only necessary to fit and lock the female locking member made of, and a dedicated tool such as a hook ringer or the like is not required, and the assembling work can be performed simply and quickly.

[0011]

1 to 4 respectively show an embodiment of a retracting structure for a seat trim cover according to the present invention. In these figures, the same or corresponding parts as those in FIG. Therefore, further detailed description will be omitted.

One end side 11a of the pulling member 11 is fixed to the rear surface side of the pulling-in portion of the trim cover 4 by sewing or high frequency welding. This pulling member 11 has a wedge-shaped projection 13 in cross section formed at the tip thereof, which is made of, for example, a synthetic resin molded product. As shown in FIG. 3, the pulling member 11 is formed long along the longitudinal direction of the pulling portion 5.

In this embodiment, the entire pulling member 11 is formed of a synthetic resin molded product, the wedge-shaped projection 13 at the tip is formed of a relatively hard synthetic resin material, and the one end side 11a is a relatively soft synthetic resin material. Is formed.

A female locking member 15 made of a synthetic resin molding for locking the wedge-shaped protrusion 13 of the pulling member 11 is fixed in the pulling groove 7a of the pad member 7.
As shown in FIG. 4, a wedge-shaped portion 17 having a hollow cross section is formed in the lower portion of the locking member 15. The locking member 15
The hollow wedge-shaped part 17 is formed long along the longitudinal direction of the pulling part 5.

An insertion port 19 for the wedge-shaped projection 13 is formed in the upper part of the hollow wedge-shaped part 17, and the upper part of the insertion port 19 is formed in a tapered part 21 so as to widen upward. . Further, fins 23 extending in the lateral direction are formed on the upper left and right ends of the tapered portion 21, respectively. The insertion port 19, the taper portion 21, and the fin 23 are formed long along the longitudinal direction of the pulling portion 5.

The tapered portion 21 makes it easy to insert the wedge-shaped projection 13 in cross section, and the fins 23 formed laterally on the upper left and right ends of the tapered portion 21 apply a load to the pad material 7 of the seat. In this case, a load is applied together with the pad material 7 to prevent the wedge-shaped projection 13 in cross section from falling off from the hollow wedge-shaped portion 17. The shape of the fin 23 is not limited to that shown in the drawing, and may be omitted.

According to this structure, the female locking member 15 made of a synthetic resin molded product for locking the wedge-shaped projection 13 in cross section of the pulling member 11 is fixed to the pulling groove 7a of the pad member 7. Then, the one end side 11a of the pulling member 11 is fixed to the back surface side of the pulling-in portion of the trim cover 4 by sewing or the like, the trim cover 4 is covered with the pad material 7, and the wedge-shaped projection 13 of the cross-section of the pulling member 11 has a female shape. When the wedge-shaped portion 17 having a hollow cross-section is pressed from above the insertion port 19 of the stopper member 15, the wedge-shaped portion 17 having a hollow cross-section is elastically deformed to insert the wedge-shaped protrusion 13 into the wedge-shaped portion 17 having a hollow hollow cross-section. Can be locked.

FIG. 5 shows a different embodiment of the pulling member of the present invention. In this embodiment, the pulling member 11 is sewn on the back side of the pulling-in portion which becomes the pulling portion 5 of the trim cover 4 and one end side. And a strip-shaped base cloth 31 made of a synthetic resin sheet or the like and a wedge-shaped projection 13 having a cross section formed of a relatively hard synthetic resin molded product fixed to the front end side of the base cloth 31. ing.

Also in the pulling member 11 comprising the base cloth 31 and the wedge-shaped projection 13 in cross section, the wedge-shaped projection 13 in cross section can be inserted and locked in the wedge-shaped portion 17 having a hollow hollow cross section as in the above-described embodiment. it can.

The present invention is not limited to the structure of the embodiment described above, and the shape of the wedge-shaped portion having a wedge-shaped cross section and the wedge-shaped portion having a hollow cross section of the locking member is not limited to that shown in the drawings, and may be appropriately modified as necessary. It is free to change and various modifications can be considered. Further, in the above-described embodiment, the vehicle seat 1 is illustrated, but the present invention is not limited to this, and is applied to the case where the pulling portion 5 is formed on the trim cover 4 of the seating surface in various seats. Needless to say, the shape of the pulling member 11 can be appropriately changed.

[0021]

As described above, according to the retracting structure of the seat trim cover according to the present invention, the pulling member is fixed to the back side of the pulling-in portion of the trim cover, and the tip end side of this pulling member is used as the pad material. In the retracting structure of the seat trim cover, which is inserted in the formed recessed groove for retracting the retracting portion of the trim cover to the inside of the pad material, the pulling member has a wedge-shaped tip made of a synthetic resin molded product. Since there is a projection, and a female locking member made of a synthetic resin molded product that locks the wedge-shaped projection of the pulling member is fixed in the pulling groove of the pad material, the pulling point of the trim cover The back surface side of can be pulled in as a whole, and the appearance can be significantly improved.

Further, the wedge-shaped projections only have to be fitted and locked to the female locking member made of a synthetic resin molded product, and a dedicated tool such as a hook ringer or the like is not required and simple and quick assembly work can be performed. Therefore, it is possible to obtain a retractable structure of the seat trim cover which is excellent in workability and economy.

Furthermore, since the pulling member and the female locking member are formed of synthetic resin molding, it is possible to prevent the occurrence of interference noise with the ohmic clip, the spring material, etc., and also to limit the working direction of the pulling work. Instead, it can be done very easily only from the back side of the seat.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a seat trim cover retracting structure according to the present invention before assembly.

FIG. 2 is a sectional view showing an assembled state of the retracting structure of the seat trim cover according to the present invention.

FIG. 3 is a perspective view of a pulling member of the present invention.

FIG. 4 is a perspective view of a female locking member of the present invention.

FIG. 5 is a sectional view showing another embodiment of the pulling member of the present invention.

FIG. 6 is a schematic perspective view showing an appearance of a vehicle seat suitable for applying the present invention.

FIG. 7 is a cross-sectional view of a conventional trim cover retracting structure.

FIG. 8 is a perspective view of a conventional trim cover pull-in structure with clips.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat cushion 3 Seat back 4 Trim cover 5 Pulling part 7 Pad material 7a Pulling part concave groove 11 Pulling member 13 Wedge-shaped protrusion 15 Female locking member 17 Hollow wedge-shaped part 19 Insertion port 21 Tapered part 23 fins 31 base cloth

Claims (1)

[Claims] 1. A trim member is fixed to a rear surface side of a retracted portion of the trim cover, and a leading end side of the retractable member is inserted into a groove for a pull portion formed in a pad material, and the retracted portion of the trim cover is padded. In the retracting structure of the seat trim cover that is adapted to be retracted to the inner side of the material, the pulling member has a wedge-shaped projection made of a synthetic resin molded product at the tip, and the pulling member of the pad member is provided with a groove of the pulling member. A retractable structure for a seat trim cover, wherein a female locking member made of a synthetic resin molded product that locks the wedge-shaped projection is fixed.