JPH0340222Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention mainly relates to a skin attachment device that is hooked to a lower support frame at the peripheral hem of the skin of a seat such as an automobile.

[Conventional technology]

The outer skin of this type of seat has changed from the conventional cutting and sewing method to one that is integrally molded or one that is integrally foamed with a cushion material such as padding. To attach the peripheral hem of the molded skin to the seat lower support frame, a skin attachment member made of relatively hard fabric is sewn onto the peripheral hem of the skin, and the lower edge of the attachment member is folded. The wire was sewn backwards, a wire etc. was inserted, and this part was hung on the lower frame with a clip or the like.
However, the above-mentioned molded skin is large and difficult to handle when sewing the attachment member onto the peripheral hem. Furthermore, if the skin is pulled strongly to avoid wrinkles or loosening, there is a problem in that the skin will tear at the seam of the attachment member.

Therefore, recently, there has been an increasing number of attachment methods in which the circumferential hem of the outer skin is directly hooked to the lower receiving frame without sewing the attachment member with a sewing machine. A major example of this is as shown in Japanese Utility Model Publication No. 55-23440 and Japanese Utility Model Publication No. 59-40878, in which an inverted U-shaped groove with a downward opening is formed around the lower support frame of the seat. ,
The lower edge of the circumferential hem of the skin is pushed into this groove from the outer periphery together with an elastic member, and the elastic member is used to lock the outer hem in the groove.

[Problem that the invention attempts to solve]

By the way, in this attachment method in which the skin hem is elastically hooked into the groove of the receiving frame using an elastic member, the skin hem is simply pushed into the inverted U-shaped groove from the opening side, and the tip is inserted into the groove. Since it is not possible to pull the skin from the inside, it is extremely difficult to push the hem of the skin fully into the groove and latching it elastically, and the skin is attached in such a way that it has an appropriate amount of tension around the entire circumference of the skin. Therefore, when assembled as a seat, there was a problem in that the outer skin was often wrinkled and loosened on the periphery and upper surface, resulting in an unsightly appearance.

[Means to solve the problem]

The seat skin attachment device of this invention was devised in view of the above circumstances, and in order to satisfactorily eliminate the various drawbacks of the conventional seat skin, the circumferential hem of the seat skin is made longer than the normal required dimensions. On the other hand, a decorative frame is fixed so as to surround the outer surface of the peripheral side wall of the lower receiving frame of the seat, and the peripheral skirt portions of the skin are inserted from above between the decorative frame and the peripheral side wall of the receiving frame from below. It forms an insertion gap that is open vertically and can be pulled, and is protruded toward the inner peripheral surface of the decorative frame and escapes downward by drawing the circumferential hem of the skin into the insertion gap between it and the peripheral side wall of the receiving frame. A stopper is provided, which rises slightly when the lower protrusion of the decorative frame at the peripheral hem of the skin is cut and the tension is released, and bites into the peripheral hem to prevent it from returning. do.

[Effect]

With the above configuration, when assembling the seat, the peripheral hem of the skin covering the cushion material such as pads is inserted into the insertion gap between the lower receiving frame and the decorative frame from the upper side to the lower side. In this state, while allowing the stopper to escape downward, the lower end of the hem is appropriately pulled to apply appropriate tension to the entire circumference of the epidermis. While the tensile force is still being applied, when the lower protruding part of the decorative frame at the circumferential hem of the skin is cut with a cutter or the like to release the tensile force, the stopper will rise slightly and the protruding part of the decorative frame at the circumferential hem will be removed. Bits in to prevent detent. This will allow the entire skin to be attached and stretched in a good manner without wrinkles or loosening, and the lower cut edge of the peripheral hem of the skin will be slightly raised above the bottom edge of the decorative frame within the insertion gap. When it is fixed, there is no damage to the external design, and it is very easy to operate, with less wrinkles and loosening, and it is possible to attach the surface to the skin with an extremely good appearance.

〔Example〕

An embodiment of this invention will be described below with reference to FIGS. 1 to 3. First, numeral 1 in the figure is the skin, which is entirely molded in one piece. That is, it is what is called a molded skin, or it is molded by integrally foaming a cushion material 2 such as a pad on the inside. A circumferential hem portion 4 extending downward from a circumferential side portion 3 surrounding the cushion material 2 of the skin 1 is formed to be longer than the normal required size. Note that a notch 5 is appropriately formed in the circumferential direction of the peripheral hem portion 4.

On the other hand, the receiving frame 7 at the bottom of the seat is made of a reinforced plastic integrally molded product, etc., and a decorative frame 9 surrounds the outer periphery of the peripheral side wall 8. A decorative frame 9 has a connecting portion at a position corresponding to the notch 5 of the skin peripheral hem 4. They are fixedly provided integrally or separately via 10. Here, the decorative frame 9 is in the form of a band of an appropriate width, and forms a slit-shaped insertion gap 11 that opens upward and downward between its inner circumferential surface and the outer surface of the circumferential wall 8 of the receiving frame 7. Further, a plurality of resilient stoppers 12 in the shape of long detent claws are integrally molded diagonally downward from the upper end on the inner peripheral side of the decorative frame 9, and the tips of the stoppers 12, which have a sharp cross section, are connected to the receiving frame 9. It is configured to protrude into an opening recess 8a formed in the circumferential side wall 8 of. In addition, 13 in the figure is the peripheral hem 4 of the epidermis 1.
This is a cutter for cutting the lower protruding part.

In the seat skin attachment device having the above-described structure, from the state shown in FIGS. 1 and 2 a, the peripheral hem 4 of the peripheral side portion 3 of the skin 1 covering the cushion material 2 is attached to the lower support frame. Insertion gap 11 between 7 and decorative frame 9
Insert it so that it penetrates from the top side to the bottom side,
The state shown in FIGS. 2b and 3a is obtained, and in this state, the lower end peripheral portion of the peripheral hem 4 is evenly pulled downward from the decorative frame 9 by hand, etc., and the upper peripheral side portion 3 and the outer skin 1 are pulled evenly downward from the decorative frame 9. Appropriate tension is applied to the entire epidermis 1 so as to eliminate unnecessary wrinkles and slack in the upper surface part. Note that the insertion gap 11 of this peripheral hem 4
When it is inserted and pulled inward, the stopper 12 closes the hem 4.
As shown in FIG. 2(b), it elastically escapes downward as shown in FIG.

In this way, when the circumferential hem 4 of the skin 1 is pulled into the insertion gap 11 between the receiving frame 7 and the decorative frame 9 and pulled so that it protrudes below, the second As shown in Fig. 2b, cut the peripheral hem 4 from the lower end of the decorative frame 9 in the entire circumferential direction using the cutter 13 (or other cutting scissors etc.), and remove the cut below. Remove the exposed part. When the lower part of the peripheral hem 4 is cut in this way, the downward pulling force on the peripheral hem 4 is naturally released, so that the peripheral hem 4 remaining in the insertion gap 11 remains intact until now. Due to the tension applied to the entire epidermis 1 of the skin, it tries to return as if being pulled upwards. Due to this returning force, the tip of the stopper 12 bites into the circumferential hem 4 and elastically returns slightly upward, so that the tip of the stopper 12 enters the opening recess 8a of the circumferential wall 8 of the receiving frame 7, and the circumferential hem At the same time, the cut edge of the lower end of the peripheral hem 4 is raised by the dimension h shown in FIG. It is placed higher up and is completely invisible from the outside. This completes the work of attaching the hem around the outer skin to the receiving frame, and it is now possible to finish it in a very good-looking state as shown in FIGS. 2c and 3b.

In the above description and drawings, it is disclosed that the lower support frame 7 is placed down and the outer skin 1 is covered from above to attach it, but in reality, the outer skin 1 covering the cushion material 2 is turned upside down. Place it on the top surface of a workbench (not shown), and insert the receiving frame 7 with the decorative frame 9 from above.
While also placing it upside down, each retraction piece 6 of the peripheral hem part 4 of the skin 1 is inserted into the gap 11 between the receiving frame 7 and the decorative frame 9 so as to be pulled up from the lower side to the upper side and pulled. This makes the attachment work easier.

Next, another embodiment of this invention will be explained with reference to FIG. Here, a roller-shaped stopper 15 is provided in place of the nail-shaped stopper 12, and an elastically rotatable arm portion 15b is attached to the upper end of a mounting portion 15a that fits into the decorative frame 9 from above. It has a structure in which a roller-shaped (round bar-shaped) head 15c is integrally provided at the tip of the arm portion 15b, and the peripheral hem 4 of the skin 1 is inserted into the insertion gap 11. When pulling in so that it penetrates,
As shown in FIG. 4a, the head 15c elastically escapes downward via the arm portion 15b of the stopper 15, and the peripheral hem 4 is pulled in and exerts a downward pulling force.
When the lower protruding portion is cut with the cutter 13 or the like, the head 15c of the stopper 15 moves slightly upward via the arm portion 15b due to the return force, and the peripheral hem portion 4 is cut into the receiving frame. 7 and is press-fitted into a curved recess 8b formed in the circumferential wall 8 of the receiving frame 7. This prevents the peripheral hem 4 from returning, and the lower cut edge of the peripheral hem 4 rises from the lower end of the decorative frame 9 by the distance h to completely fit within the gap 11. Therefore, even with the device shown in FIG. 4, the same effects as those of the previous embodiment can be obtained.

[Effect of idea]

Since this idea has been made as described above, when assembling the seat, insert the peripheral hem of the skin covering the cushion material such as pads into the insertion gap between the lower receiving frame and the decorative frame from the upper side to the lower side. It can be inserted into a penetrating state, and in that state, the lower end of the hem can be appropriately pulled to apply appropriate tension to the entire circumference of the epidermis while allowing the stopper to escape downward. As it is,
When the lower protruding part of the decorative frame at the peripheral hem of the skin is cut with a cutter or the like to release the tensile force, the stopper rises a little and bites into the peripheral hem to prevent it from returning. At the same time, it is possible to attach and tension the entire epidermis in a good manner without wrinkles or loosening.
The cut edge of the lower end of the hem around the outer skin is stored in the insertion gap slightly higher than the lower end of the decorative frame, which prevents the appearance from spoiling the design, making it extremely easy to operate and preventing wrinkles and loosening. This makes it possible to attach the skin to the skin with minimal effort and an extremely good appearance.

[Brief explanation of the drawing]

Figures 1 to 3 show an embodiment of this invention, in which Figure 1 is a perspective view of the outer skin and the lower receiving frame with decorative frame before the seat is assembled, and Figures 2 a to c are the skirts around the outer skin. Fig. 3 a and b are side views corresponding to Fig. 2 b and c, and Fig. 4 a and b show another embodiment of this invention. FIG. 2 is a sectional view corresponding to FIGS. 2b and 2c; DESCRIPTION OF SYMBOLS 1...Skin, 2...Cushion material, 3...Skin circumference, 4...Surrounding hem, 5...Notch, 7...
Lower receiving frame, 8... Circumferential wall, 8a... Opening recess, 8
b... Curved recess, 11... Insertion gap, 12, 15
...stoppa, 13...katsuta.

Claims (1)

[Scope of utility model registration request] The circumferential hem of the outer skin of the seat is made longer than the normal required dimensions, and placed so as to surround the outer surface of the circumferential side wall of the lower receiving frame of the seat, and the circumferential hem of the skin is inserted between them from above. A decorative frame constituting an insertion gap that is opened vertically and can be pulled from below is fixedly installed, and a skin is protruded from the inner circumferential side of the decorative frame into the insertion gap between the peripheral side wall of the receiving frame. By pulling in the peripheral hem, it escapes downward and when the pulling force is released by cutting the protruding part on the lower side of the decorative frame at the peripheral hem of the skin, it rises a little and bites into the peripheral hem to prevent it from returning. A seat skin attachment device comprising a stopper.