JP5391817B2 - Car seat cover skin suspension structure - Google Patents

Description

  The present invention relates to a cover skin hanging structure for a vehicle seat.

Conventionally, the wires in the vertical and horizontal hanging bags formed on the back surface side of the cover skin are hung in the vertical and horizontal grooves formed on the surface side of the pad material of the seat cushion (or seat back) of the vehicle seat. In order to connect with the hog ring in the pad material, a wire dedicated for suspension is installed by insert molding, and the wire in each vertical and horizontal suspension bag formed on the back side of the cover skin and the wire dedicated for suspension 2. Description of the Related Art A cover skin hanging structure for a vehicle seat in which and are coupled by a hog ring is known.
Moreover, as a cover skin suspension structure for a vehicle seat configured to eliminate the necessity of installing a dedicated wire for suspension in the pad material and reduce the thickness and weight of the seat cushion, for example, Patent Literature 1 is disclosed.
In this case, a frame portion that supports the back side of the pad material is formed of a synthetic resin material, and an engaging portion that can be elastically expanded is formed on the frame portion. On the other hand, a wedge-shaped hook material is fixed to the back side of the cover skin.
Then, the hook material on the back surface side of the cover skin is inserted into the engaging portion through the pad material and engaged.

JP 2003-47787 A

  By the way, in what was disclosed by patent document 1, the structure which makes the hook material of the back surface side of a cover skin penetrate the pad material, and pushes it into the latching | locking part, is engaged, and the penetration part (hole) which penetrates a hook material It is assumed that the pad material must be divided into a plurality of parts with the penetrating part as a boundary, and the outer shape of the pad material may change unexpectedly and deteriorate the appearance and sitting comfort. The

  In view of the above problems, an object of the present invention is to provide a vehicle seat cover skin suspension structure that can eliminate the necessity of installing a dedicated wire for suspension in a pad material with a simple structure. is there.

In order to solve the above-mentioned problem, a vehicle seat cover hanging structure for a vehicle seat according to claim 1 of the present invention includes a cover skin in each of the vertical and horizontal grooves recessed in the surface side of the pad material of the vehicle seat. A cover skin hanging structure for a vehicle seat that hangs a wire in each of the vertical and horizontal bag portions formed on the back side of the vehicle and is coupled by a hog ring,
Holes are provided in the bottom surfaces of the vertical and horizontal grooves,
The support spring made of a linear spring material that supports the back side of the pad material is inserted into the holes of the vertical and horizontal grooves and protrudes into the grooves, and the wire of the vertical and horizontal bag portions The vertical and horizontal loop portions connected by hoggling are formed by bending.

  According to the said structure, each vertical and horizontal loop part can be bent and formed in a support spring, and these loop parts and the wire of each vertical and horizontal hanging bag can be couple | bonded by a hog ring. For this reason, it is possible to eliminate the necessity of installing a dedicated wire for suspension in the pad material.

It is a perspective view which shows the vehicle seat which concerns on Example 1 of this invention. It is sectional drawing of the seat cushion based on the II-II line of FIG. It is a perspective view which shows the state from which the pad material and cover skin of the seat cushion were isolate | separated similarly. It is a perspective view which shows the state in which the support spring was similarly attached to the cushion frame. It is a perspective view which similarly shows a support spring.

  The best mode for carrying out the present invention will be described in accordance with an embodiment.

A first embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a vehicle seat 10 includes a seat cushion 20 and a seat back 11 that is mounted on a rear portion of the seat cushion 20 so as to be adjustable to a desired inclination angle by a known reclining mechanism (not shown). It has.
As shown in FIGS. 2 to 4, the seat cushion 20 includes a cushion frame 21, a pad material 40 disposed on the cushion frame 21 via a support spring 30 described later, and a cover skin 50 covering the pad material 40. And.

  As shown in FIG. 4, the cushion frame 21 includes a pair of side panels 22 that are spaced apart from each other by a predetermined distance in the left-right direction, a rear reinforcing pipe 23 that is installed at the rear ends of both the side panels 22, and both the side panels 22. And a front panel 24 provided integrally with the front end portion.

  As shown in FIGS. 4 and 5, the support spring 30 is formed by bending a linear spring material in a meandering manner, and a hook portion 31 at one end thereof is hooked on the rear reinforcing pipe 23, and the other end portion 32. Is fixed on the front panel 24 by a locking piece 25. In addition, the support spring 30 is formed by bending upward and downward loop portions 35 that protrude through the bottom surfaces of the vertical and horizontal grooves 41 from the back side of the pad material 40 described below and project into the grooves 41. ing.

As shown in FIGS. 2 and 3, the pad material 40 is a urethane foam molded product formed by foaming a foamed urethane material in a mold, and vertical and horizontal grooves 41 are formed on the surface side thereof. It is formed at the same time.
A plurality of holes 42 through which the vertical and horizontal loop portions 35 of the support spring 30 can be inserted are formed at the bottom of the vertical and horizontal grooves 41 at the same time as molding.
In addition, a backing layer 45 having excellent sliding properties is provided on the entire back surface of the pad material 40 in order to prevent the generation of abnormal noise such as rubbing noise with the cushion frame 21 and the support spring 30.
The backing layer 45 is formed of, for example, a cloth material such as a woven fabric or a spray agent.
When the backing layer 45 is formed of a cloth material, the pad material 40 is formed simultaneously with the formation of the pad material 40 by foaming the foamed urethane material in the mold after setting the cloth material in the mold. It is possible to easily provide a backing layer 45 made of a cloth material integrated with the back surface of the substrate.

As shown in FIG. 2, the vertical and horizontal hanging bags 51 suspended in the vertical and horizontal grooves 41 of the pad material 40 are formed on the back surface of the cover skin 50 that covers the pad material 40. The wire 52 is inserted.
In a state where the pad material 40 is installed on the support spring 30, the vertical and horizontal loop portions 35 of the support spring 30 are inserted into the holes 42 on the bottom surface of the vertical and horizontal grooves 41 of the pad material 40 and protrude into the grooves 41. The wire 52 is inserted into the vertical and horizontal grooves 41 together with the vertical and horizontal hanging bags 51 of the cover skin 50. Then, the cover skin 50 is suspended in the vertical and horizontal grooves 41 of the pad material 40 by connecting the wires 52 of the vertical and horizontal suspension bags 51 and the vertical and horizontal loop portions 35 of the support spring 30 by the hog ring 60. Is included.

The cover skin hanging structure of the vehicle seat according to the first embodiment is configured as described above.
Accordingly, the vertical and horizontal loop portions 35 are bent and formed on the support spring 30 that supports the back side of the pad material 40, and the loop portions 35 and the wires 52 of the vertical and horizontal hanging bags 51 on the back side of the cover skin 50 are connected. They can be joined by a hog ring 60. For this reason, it is possible to eliminate the necessity of installing a wire dedicated for suspension in the pad material 40. In addition, the number of parts can be reduced by the amount corresponding to the abolishment of the wire dedicated for suspension, and the cost reduction effect is great.
In Example 1, since the backing layer 45 having excellent slipperiness is provided on the entire back side of the pad material 40, it is possible to prevent the generation of abnormal noise such as rubbing noise with the cushion frame 21 and the support spring 30. .

In addition, this invention is not limited to the said Example 1, In the range which does not deviate from the summary of this invention, it can also be implemented with a various form.
For example, in the first embodiment, the support spring 30 and the pad material 40 are formed separately, and the vertical and horizontal loop portions 35 of the support spring 30 are inserted into the bottom surfaces of the vertical and horizontal grooves 41 of the pad material 40. Although the case where each of the plurality of possible holes 42 is provided at the same time as the molding is illustrated, the pad material 40 is formed by foaming the foamed urethane material in the mold after setting the support spring 30 in the mold. Simultaneously with the formation, the support spring 30 can be integrally provided on the back surface of the pad material 40.
Moreover, in the said Example 1, although the case where it was the cover skin hanging structure of the seat cushion 20 was illustrated, the cover skin hanging structure of this invention is employable also in the seat back 11. FIG.

DESCRIPTION OF SYMBOLS 10 Vehicle seat 30 Bearing spring 35 Vertical and horizontal loop parts 40 Pad material 41 Vertical and horizontal grooves 50 Cover skin 51 Vertical and horizontal hanging bags 52 Wire 60 Hog ring

Claims (1)

A cover for a vehicle seat in which wires in vertical and horizontal bags formed on the back side of the cover skin are suspended in hobbed rings in vertical and horizontal grooves recessed on the front side of the pad material of the vehicle seat. It is a skin hanging structure,
Holes are provided in the bottom surfaces of the vertical and horizontal grooves,
The support spring made of a linear spring material that supports the back side of the pad material is inserted into the holes of the vertical and horizontal grooves and protrudes into the grooves, and the wire of the vertical and horizontal bag portions A cover skin hanging structure for a vehicle seat, wherein the vertical and horizontal loop portions joined by hoggling are bent.

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