JP5413721B2 - Locking member mounting structure for vehicle seat - Google Patents

Description

  The present invention relates to a mounting structure for a locking member that is attached to a terminal portion of an outer skin covering a cushion pad surface of a vehicle seat by sewing.

  The vehicle seat is configured by covering the surface of the cushion pad with a skin, and the terminal portion of the skin is wound around the inside of the cushion pad, for example, on a cushion frame or the like by a locking member such as a C ring or a J hook. It was fastened by locking.

  However, in the configuration in which the end portion of the epidermis is fastened using a locking member such as a C-ring or a J hook, a large number of locking members are required, and the locking operation of the locking member takes a lot of work. Another problem is that it is difficult to keep the epidermis in a uniform tension state.

  Therefore, Patent Document 1 discloses a portion in which a wire frame as a seat frame molded integrally with a pad material (cushion pad) is exposed from the pad material, a portion in which the wire frame is embedded in the pad material, a wire The frame is provided with a semi-exposed part from the pad material, and the hook member is engaged with the engaging part between the part exposed from the pad material and the semi-exposed part, so that the seat can be assembled easily and quickly. ing.

  Further, in Patent Document 2, two upper and lower wire members are attached so as to protrude downward from the seat frame at a predetermined interval, and a J-shaped trim cord (J hook) is attached to the J-shaped vertical side portion. At the end of the seat cover, the surface of the seat cover is supported by the axis of the lower wire member, the end portion of the seat cover is wound inside the seat frame from the lower wire member, and the trim cord is bent in a J shape. A configuration has been proposed in which the end portion of the sheet skin is fastened with two wire members while being hooked to the axis of the upper wire member at the portion. According to this configuration, the terminal portion of the seat skin can be reliably fixed to the seat frame by a simple operation.

Japanese Patent Laid-Open No. 9-276091 Japanese Patent No. 3975461

  However, in the configuration proposed in Patent Document 1, although the operation of locking the hook members is improved, a large number of hook members are required, and the locking of the large number of hook members requires a lot of labor and time. There's a problem.

  Further, in the configuration proposed in Patent Document 2, the corners at both ends in the longitudinal direction of the vertical side portion of the trim cord (J hook) sewn on the end portion of the seat skin are exposed, and thus the sharp corner portion is exposed. There is a possibility of touching the hand, which may harm safety.

  The present invention has been made in view of the above problems, and the object of the present invention is to provide a vehicle seat locking member capable of ensuring high safety by covering both end corners in the longitudinal direction of the locking member with a skin. It is to provide a mounting structure.

  In order to achieve the above object, the invention according to claim 1 is characterized in that, as an attachment structure of a locking member attached by sewing to a terminal portion of the skin covering the surface of the cushion pad, a cut is made in the skin, and the cut It is characterized by adopting a configuration in which the engaging members are attached to the skin by inserting the both end corners in the longitudinal direction of the engaging member into the inside of the skin and sewing.

  The invention according to claim 2 is characterized in that, in the invention according to claim 1, the skin is made of a carpet material.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the cut is an oblique slit.

  Invention of Claim 4 is the invention in any one of Claims 1-3, The longitudinal direction both-ends corner inserted in the inside of the skin of the locking member is the above-mentioned by joint sewing with other parts. It is attached to the epidermis.

  According to the first aspect of the present invention, since both end corners in the longitudinal direction of the locking member are inserted into the inside of the skin from the cutout of the skin, the sharp longitudinal end corners of the locking member are formed by the skin. It is covered and not exposed to the outside, and the operator's hand does not touch the corners at both ends in the longitudinal direction of the locking member, so that a sense of harm received from the locking member is eliminated and high safety is ensured. In addition, before attaching the locking member to the skin by sewing, the corners at both ends in the longitudinal direction can be inserted into the cuts in the skin to temporarily fix the locking member, so that the subsequent sewing of the locking member is easy Turn into. In addition, since the locking member can be sewn to the design surface side of the skin, the sewing work is further facilitated.

  According to the second aspect of the present invention, since the epidermis is made of a carpet material that is hard to fray and has a relatively high rigidity, it is not necessary to perform a terminal process for incising the epidermis, and it is possible to ensure the necessary rigidity for the epidermis.

  According to the third aspect of the present invention, since the incision to be put into the outer skin is an oblique slit, the insertion of the locking member into the incision at the both end corners in the longitudinal direction can be easily and reliably performed. It can be stably covered with the epidermis by inserting it into the epidermis.

  According to invention of Claim 4, since the longitudinal direction both-ends corner part inserted inside the skin of the locking member was attached to the skin by co-sewing with other parts, the locking member inserted inside the skin Detachment from the cuts at both corners in the longitudinal direction is reliably prevented.

It is a disassembled perspective view of a vehicle seat. It is the sectional view on the AA line of FIG. It is a fragmentary perspective view which shows insertion to the outer skin of the longitudinal direction both ends corner | angular part of a locking member. It is a fragmentary perspective view which shows the state which the longitudinal direction both-ends corner | angular part of the locking member was inserted in the outer skin, and was sewn. It is a front view which shows the state by which the longitudinal direction both-ends corner | angular part of the locking member was inserted in the outer skin, and was sewn.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  FIG. 1 is an exploded perspective view of a vehicle seat. The illustrated vehicle seat 1 includes a seat cushion 2 on which an occupant is seated, and a backrest erected on the rear portion of the seat cushion 2 so as to be tiltable in the vehicle front-rear direction. The headrest 4 is provided on the top of the seatback 3 so as to be adjustable in height.

  Here, the structure of the seat back 3, especially the attachment structure of the locking member according to the present invention, will be described with reference to FIGS. 2 is a cross-sectional view taken along the line AA of FIG. 1, FIG. 3 is a partial perspective view showing insertion of the locking member in the longitudinal direction at both corners in the longitudinal direction, and FIG. FIG. 5 is a front view showing a state in which both end corners in the longitudinal direction of the locking member are inserted into the skin and sewed.

  As shown in FIG. 2, the seat back 3 is configured by covering the surface of the cushion pad 5 having a high cushioning property with the skin 6 and the back side with the back material 7. A structural member such as a frame 8 is built in, and the seat back 3 rotates about a rotation axis of a reclining mechanism or a hinge mechanism (not shown) and tilts in the vehicle longitudinal direction with respect to the seat cushion 2 shown in FIG. The posture of the occupant seated on the seat cushion 2 is adjusted. Further, the back surface of the cushion pad 5 of the seat back 3 is secured by a metal plate 9. In the present embodiment, the skin 6 at the lower end and the back material 7 on the back are made of a carpet material that is hard to fray and has a relatively high rigidity.

  By the way, the skin 6 that covers the lower end of the front surface of the cushion pad 5 is bent to the back side through the lower surface of the cushion pad 5, and the terminal portion thereof is integrally formed in a J-shaped cross section with resin. A J hook 10 as a stop member is attached by sewing, and the J hook 10 is fixed in an upside down state (inverted J shape). Further, the back material 7 covering the back surface of the cushion pad 5 has a lower end folded back in a U shape inside, and a terminal portion of the folded back portion is integrally molded with a resin in a cross-sectional J shape. A J hook 11 as a stop member is attached by sewing, and the J hook 11 is fixed in a state (J shape) that is upside down with respect to the other J hook 10.

  The J hooks 10 and 11 are respectively composed of attachment portions 10a and 11a and curved portions 10b and 11b that are curved in a U-shape, and the attachment portions 10a and 11a are sewn to the end portions of the skin 6 and the back material 7. Are attached by each.

  Thus, as shown in FIG. 2, by engaging the J hook 10 attached to the terminal portion of the skin 6 with the J hook 11 attached to the terminal portion of the back material 7, Each terminal part is connected and fixed.

  Next, a structure for attaching the J hook 10 to the skin 6 will be described.

  As shown in FIG. 5, the J hook 10 elongated in the vehicle width direction is sewn to the design surface side of the skin 6, but corresponds to two width direction portions of the skin 6 (longitudinal corners 10 c in the longitudinal direction of the J hook 10). The slit-like cut 6a inclined at about 45 ° is inserted in a C-shape when viewed from the front.

  Thus, when the J hook 10 is attached to the skin 6, as shown in FIG. 3, the longitudinal end corners 10 c (only one is shown in FIG. 3) of the J hook 10 from the notch 6 a of the skin 6. If the inserted portion (triangular portion) is sewn along the sewing line L shown in FIGS. 4 and 5 together with other portions, the J hook 10 is attached to the skin 6. Then, the end portion of the outer skin 6 to which the J hook 10 is attached in this way is bent to the back side of FIG. 5 along the outer shape of the cushion pad 5 shown in FIG. 2, and the J hook 10 is moved to the other J as described above. By engaging with the hook 11, the end portions of the skin 6 and the back material 7 are connected and fastened.

  As described above, in the present embodiment, since both end corners 10c in the longitudinal direction of the J hook 10 are inserted into the inside of the skin 6 from the notch 6a of the skin 6, the sharp longitudinal both ends of the J hook 10 are sewn. The corner 10c is not covered with the outer skin 6 and exposed to the outside, and the hands of the operator and the occupant do not touch the corners 10c at both ends in the longitudinal direction of the J hook 10, thereby eliminating the danger of receiving from the J hook 10. High safety is ensured.

  Further, in the present embodiment, before attaching the J hook 10 to the skin 6 by sewing, it is possible to temporarily fix the J hook 10 by inserting both longitudinal corners 10c thereof into the notches 6a of the skin 6 so as to be sewn. Subsequent sewing work of the J hook 10 is facilitated. In addition, since the J hook 10 is sewn to the design surface side of the skin 6, the sewing operation is further facilitated.

  Furthermore, in the present embodiment, since the skin 6 is made of carpet material that is hard to fray and has a relatively high rigidity, the end treatment of the cut 6a of the skin 6 is not necessary, and the necessary rigidity for the skin 6 can be secured. it can. Since the notch 6a to be inserted into the skin 6 is an oblique slit, the longitudinal end corners 10c of the J hook 10 can be easily and reliably inserted into the notch 6a of the skin 6 so that both ends of the J hook 10 in the longitudinal direction The corner 10c can be inserted into the skin 6 and stably covered with the skin 6.

  In addition, in this Embodiment, since the longitudinal direction both-end corner | angular part (triangle part) 10c inserted into the inside of the skin 6 of J hook 10 was attached to the skin 6 by co-sewing with another site | part, inside the skin 6 An effect is also obtained in which the slipping of the skin 6 from the notch 6a of the both end corners 10c in the longitudinal direction of the inserted J hook 10 is surely prevented.

  Although the present invention has been described with respect to the embodiment in which the present invention is applied to the seat back, it is needless to say that the present invention can be similarly applied to the attachment structure of the locking member in the seat cushion.

DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat cushion 3 Seat back 4 Headrest 5 Cushion pad 6 Skin 6a Skin cut 7 Back material 8 Frame 9 Plate 10, 11 J hook (locking member)
10a, 11a J hook mounting part 10b, 11b J hook bending part 10c Longitudinal corners of J hook L Sewing line

Claims (4)

An attachment structure of a locking member attached by sewing to a terminal portion of the epidermis covering the surface of the cushion pad,
Locking a vehicle seat, characterized in that an incision is made in the skin and the locking member is attached to the skin by inserting both longitudinal corners of the locking member into the inside of the skin from the cut and sewing. Member mounting structure.   2. The vehicle seat locking member mounting structure according to claim 1, wherein the skin is made of a carpet material.   The vehicle seat locking member mounting structure according to claim 1, wherein the cut is an oblique slit. 4. The vehicle according to claim 1, wherein both end corners in the longitudinal direction inserted into the inside of the skin of the locking member are attached to the skin by co-sewing with other parts. Seat locking member mounting structure.

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