JP2016182905A - Frame member and method for mounting frame member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frame member capable of being easily and strongly mounted on a sheet surface without complicating the structure in the sheet and a method for mounting the frame member.SOLUTION: A frame member includes: a body block 10A disposed on a front face side of a sheet surface 6; and a backing block 10B disposed on a back face side of the sheet surface 6. The backing block 10B includes an opening frame 18 having an opening 17. The body block 10A includes insertion walls 23a and 23b inserted in the opening 17 of the opening frame 18 and a locking claw 25 which is integrally formed on projection end sides of the insertion walls 23a and 23b and is engaged with an edge section on the back face side of the opening frame 18. The insertion walls 23a and 23b and the locking claw 25 are inserted in the opening 17 of the opening frame 18 in a state of winding an opening edge section of the sheet surface 6 inwardly, and the wound sheet surface 6 is held and fixed with the opening frame 18.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a frame member attached to a seat skin of a vehicle seat and a method for attaching the frame member.

  A frame member that functions as a guide for a pull-in strap, a mounting seat for parts, or the like may be attached to a seat skin of a vehicle seat (see, for example, Patent Documents 1 and 2).

  The frame member described in Patent Literatures 1 and 2 is a frame member for a strap guide, and includes a main body block disposed on the front surface side of the seat cover and a backing block disposed on the back surface side of the seat cover. ing. The main body block and the backing block are provided with openings corresponding to the openings of the seat cover, and the peripheral portions of the openings of the main body block and the backing block are provided with convex portions and concave portions that can be engaged with each other. Yes. The main body block and the backing block sandwich the opening edge portion of the seat skin between the front and back surfaces, and in this state, the convex portion and the concave portion are engaged.

JP-A-11-301322 JP 2008-018771 A

  However, the conventional frame member has a structure in which the opening edge of the seat cover is sandwiched between the main body block and the backing block and fixed to the seat cover, so that it is highly attached to the seat cover that is a thin and flexible member. It is difficult to attach with strength.

  As measures against this, for example, as described in Patent Document 2, a hole for inserting a convex portion on the main body block side is formed in the opening edge portion of the seat cover, or a support portion for restricting the displacement of the frame member is provided. It is considered to be attached to a sea frame.

  However, when the convex part on the main body block side is inserted into the hole on the seat skin side, the work of attaching the frame member becomes complicated, and the support member attached to the seat frame displaces the frame member. In the case where the sheet is regulated, the structure inside the seat becomes complicated.

  Therefore, the present invention intends to provide a frame member that can be easily and firmly attached to the sheet skin without complicating the internal structure of the sheet, and a method for attaching the frame member.

  In order to solve the above-mentioned problem, the frame member according to the present invention is a frame member attached to an edge of an opening (for example, the opening 16 of the embodiment) of a sheet surface (for example, the sheet surface 6 of the embodiment). A main body block (for example, the main body block 10A of the embodiment) disposed on the front surface side of the seat cover, and a backing block (for example, the backing block 10B of the embodiment) disposed on the back surface side of the seat skin. The backing block includes an opening frame (for example, the opening frame 18 of the embodiment) having an opening (for example, the opening 17 of the embodiment), and the body block is inserted into the opening of the opening frame. An insertion wall (for example, the insertion walls 23a, 23b, 23c, and 23d in the embodiment) and a locking claw that is integrally formed on the protruding end side of the insertion wall and is engaged with the edge on the back side of the opening frame For example, the locking claw 25) of the embodiment, and the insertion wall and the locking claw are inserted into the opening of the opening frame in a state where the opening edge of the sheet skin is wound inside, The wound sheet skin was sandwiched and fixed between the opening frame.

  With this configuration, when the frame member is attached to the seat cover, a backing block is disposed on the back side of the seat cover, and the insertion wall and the locking claw of the main body block are opened from the front side of the seat cover to the opening of the backing block. Insert into the frame. At this time, the insertion wall and the locking claw of the main body block wrap around the opening edge of the seat skin, and the locking claw is engaged with the edge on the back side of the opening frame, so that the opening edge of the seat skin is It is clamped and fixed by the insertion wall, the locking claw, and the opening frame.

The opening of the opening frame is formed in a substantially rectangular shape, and the insertion wall has a support surface (for example, the support surface 24 of the embodiment) facing in four directions corresponding to the four sides of the opening of the opening frame, At least one of the locking claws may be provided continuously on each supporting surface.
In this case, when the insertion wall of the main body block is inserted into the opening frame of the backing block, the support surfaces of the four sides of the insertion wall face each side of the opening of the opening frame, and the back side of each side of the opening frame At least one locking claw is engaged with the edge. Therefore, by adopting this configuration, the opening edge of the seat cover is sandwiched and fixed between the main body block and the backing block in such a manner as to be wound around the four sides of the opening frame. Therefore, by adopting this configuration, the frame member can be more firmly fixed to the sheet skin.

The backing block is inserted and arranged between the seat skin and a cushion material (for example, the cushion material 15 of the embodiment) arranged on the back side of the seat skin, and the backing block is While having the overhang | projection part (for example, overhang | projection part 19 of embodiment) along the front surface of a cushion material, you may make it the said overhang | projection part extend outside the outer edge part of the said main body block.
In this case, the overhanging portion of the backing block is stably supported on the front surface of the cushion material over a wide area, and the exposed area of the main body block can be kept small. Therefore, by adopting this configuration, it is possible to improve the stability of the support of the backing block by the cushioning material and to improve the mounting workability of the main body block, and to improve the appearance after the mounting. be able to.

The projecting portion of the backing block may be provided with a slit forming portion that can be broken (for example, the slit forming portion 20 of the embodiment).
In this case, when the sizes and specifications of the sheets are different, the overhanging length of the overhanging portion can be easily adjusted by appropriately breaking the overhanging portion of the backing block at the slit forming portion.

  The attachment method of the frame member according to the present invention is the attachment method of attaching the frame member to the seat cover. After the backing block is arranged on the back side of the seat cover, the opening of the backing block of the seat cover is arranged. A plurality of cuts (for example, the cuts S1 and S2 in the embodiment) centered on a substantially central portion of the opening at a position corresponding to the inside, an opening formed by connecting the ends of adjacent cuts (for example, , The opening 16) of the embodiment and a plurality of extending pieces (for example, the extending piece 16a of the embodiment) connected to the inside of the opening, and then the insertion wall of the main body block The locking claw is inserted into an opening of the opening frame of the backing block in a state where the extending piece of the sheet skin is wound, and the locking claw of the main body block is inserted into the backing block. The engaged with the back side of the edge of the opening frame, and the insertion wall and the locking claw and the locking piece so as to fixedly hold said opening frame.

  According to this invention, the backing block is disposed on the back surface side of the seat cover, and the opening of the seat cover is inserted by inserting the insertion wall and the locking claw of the main body block into the opening frame of the backing block from the front surface side of the seat cover. The edge of the sheet skin is sandwiched and fixed by the insertion wall, the locking claw, and the opening frame by winding the edge inward and finally engaging the locking claw with the edge on the back side of the opening frame. Therefore, the frame member can be easily and firmly attached to the seat skin without complicating the internal structure of the seat.

It is a perspective view which shows the sheet | seat with which the frame member which concerns on one Embodiment of this invention was attached. It is a perspective view which shows a part of sheet | seat with which the frame member which concerns on one Embodiment of this invention was attached. It is sectional drawing corresponding to the III-III cross section of FIG. 2 of the sheet | seat which concerns on one Embodiment of this invention. It is a front view of the backing block which concerns on one Embodiment of this invention. It is sectional drawing corresponding to the VV cross section of FIG. 4 of the backing block which concerns on one Embodiment of this invention. It is a front view of the main body block concerning one embodiment of this invention. It is a rear view of the main body block concerning one embodiment of this invention. It is a side view corresponding to the VIII arrow of FIG. 7 of the main body block which concerns on one Embodiment of this invention. It is sectional drawing corresponding to the IX-IX cross section of FIG. 6 of the main body block which concerns on one Embodiment of this invention. It is a rear view of the seat back which shows the attachment method of the frame member which concerns on one Embodiment of this invention. It is a perspective view of the seat back which shows the attachment method of the frame member which concerns on one Embodiment of this invention. It is a perspective view of the seat back which shows the attachment method of the frame member which concerns on one Embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a view of a seat 1 installed in a vehicle as viewed from the upper right rear side. The seat 1 is attached to a seat cushion 2 that supports the occupant's buttocks, a seat back 3 that supports the waist and back of the occupant seated by being tiltably connected to the rear portion of the seat cushion 2, and an upper portion of the seat back 3. And a headrest 4 for supporting the neck and head of the occupant seated. In the seat back 3, cushion materials are appropriately attached to the seat back frame 5, and the outer sides thereof are covered with the seat skin 6.

  In the seat 1 of this embodiment, a frame member 10 is attached to the upper left edge of the back surface of the seat back 3, and a USB socket 11 is attached to the frame member 10. In FIG. 1, a removable cap 12 is attached to the USB socket 11.

2 is a view of the seat 1 before the USB socket 11 is attached to the frame member 10 as viewed from the upper right rear side. FIG. 3 is a cross-sectional view of the seat back 3 corresponding to the III-III cross section of FIG. FIG. In addition, in the following description, the upper and lower sides of the frame member 10 mean the upper and lower sides in a state where the frame member 10 is attached to the standing seat back 3.
The frame member 10 includes a main body block 10 </ b> A disposed on the front surface side of the sheet skin 6 and a backing block 10 </ b> B disposed on the back surface side of the sheet skin 6. The main body block 10A and the backing block 10B are each integrally formed of a hard resin. 2 denotes a USB cable connected to the USB socket 11 via the coupler 14.

  Further, as shown in FIG. 3, a cushion material 15 supported by the seat back frame 5 is disposed on the back side of the seat skin 6 where the frame member 10 is installed. The sheet skin 6 is provided with an opening 16, and the frame member 10 is attached to an edge of the opening 16. The frame member 10 functions as a pedestal for supporting and fixing the USB socket 11, and the USB cable 13 connected to the USB socket 11 passes through the cushion material 15 and extends along the skeleton in the seat 1 such as the seat back frame 5. Are wired together. The USB cable 13 along the skeleton in the seat 1 is connected to a power supply unit (not shown) at the front of the vehicle body via the side of the vehicle body floor.

4 is a view of the backing block 10B as viewed from the front, and FIG. 5 is a view showing a cross section corresponding to the VV cross section of FIG.
The backing block 10B includes an opening frame 18 having a substantially rectangular opening 17. The opening 17 is substantially similar to the cross section of the inner insertion portion of the USB socket 11 and is formed slightly larger than the cross section. In the case of this embodiment, the opening 17 is formed in a substantially rectangular shape that is long in the vertical direction. The opening frame 18 has a thickness sufficiently thicker than the thickness of the sheet skin 6. An overhanging portion 19 that extends along the front surface of the cushion material 15 extends from the outer peripheral edge of the opening frame 18.

The overhanging portion 19 includes a relatively thick support base portion 19A extending adjacent to the outer peripheral portion of the opening frame 18, and a relatively thin extension portion 19B extending adjacent to the outer peripheral portion of the support base portion 19A. And have. The front view of the support base portion 19 </ b> A is formed in a substantially rectangular shape that is slightly larger than the opening frame 18. When viewed from the front of the extension 19B, the upper side is formed in a substantially trapezoidal shape that is shorter than the lower side. Further, the extension portion 19B is set such that the extension length upward with the support base portion 19A as the center is longer than the extension length downward. A plurality of slit forming portions 20 having slits substantially orthogonal to the up-down direction are provided in the extension region on the upper side of the extension portion 19B. The slit forming portions 20 are provided at equal intervals in the extension region on the upper side of the extension portion 19B. The slit forming portion 20 can be appropriately broken to adjust the extension length of the extension portion 19B when the backing block 10B is used.
Further, support holes 21 described later are formed at two positions adjacent to the upper portion of the opening frame 18 of the support base portion 19A. The support holes 21 are arranged at two positions separated from each other on the left and right of the support base portion 19A.

6 is a view of the main body block 10A as viewed from the front, and FIG. 7 is a view of the main body block 10A as viewed from the back. 8 is a view of the main body block 10A as seen from the direction of arrow VIII in FIG. 7, and FIG. 9 is a view showing a cross section of the main body block 10A along the IX-IX cross section in FIG.
The main body block 10A includes a rectangular frame-shaped holding frame portion 22 into which the head of the USB socket 11 is inserted, and four insertion walls 23a and 23b protruding from the four inner sides of the holding frame portion 22 toward the back surface side. , 23c, 23d. In the figure, reference numeral 26 denotes an opening inside the holding frame portion 22.

  The holding frame portion 22 protrudes to the front surface side from the outer peripheral edge portion of the support wall 22a with which the back surface of the head portion of the USB socket 11 contacts, and the outer peripheral surface of the head portion of the USB socket 11 is fitted. Peripheral wall 22b.

  The insertion walls 23a, 23b, 23c, and 23d are provided corresponding to the four sides of the opening 17 of the opening frame 18 of the backing block 10B, and are inserted into the opening 17 of the opening frame 18 from the front surface side. . Each insertion wall 23a, 23b, 23c, 23d is opposed to the four sides of the opening 17 of the opening frame 18 with a small gap when inserted into the opening frame 18. The surfaces of the insertion walls 23a, 23b, 23c, and 23d that face the opening 17 constitute a support surface 24. A pair of locking claws 25 are integrally formed at the protruding ends of the upper and lower insertion walls 23a, 23b so as to be separated in the left-right direction. The locking claw 25 provided on the insertion wall 23a on the upper side protrudes upward so as to be continuous with the support surface 24 of the insertion wall 23a, and the locking claw 25 provided on the insertion wall 23b on the lower side is inserted. It protrudes downward so as to be continuous with the support surface 24 of the wall 23b. One locking claw 25 is integrally formed at each protruding end of the left and right insertion walls 23c, 23d. The locking claws 25 provided on the left and right insertion walls 23c, 23d protrude leftward and rightward so as to be continuous with the support surfaces 24 of the insertion walls 23c, 23d.

  The insertion walls 23a, 23b, 23c, 23d and the locking claws 25 of the main body block 10A are inserted into the openings 17 of the opening frame 18 from the surface side of the backing block 10B. At the time of dive, each locking claw 25 is locked to the edge on the back side of the opening frame 18. Thereby, the main body block 10A is prevented from coming off from the backing block 10B. Actually, as shown in FIG. 3, when the insertion walls 23a, 23b, 23c, 23d and the locking claw 25 are inserted into the opening 17 of the opening frame 18, the opening edge portion of the sheet skin 6 (later An extending piece 16a) to be described in detail is wound around the insertion walls 23a, 23b, 23c, 23d and the locking claw 25, and is inserted into the opening 17 of the opening frame 18 together with these. And when each latching claw 25 is latched by the edge part of the back surface side of the opening frame 18, the opening edge part of the wound sheet | seat skin 6 is the support surface 24 of each insertion wall 23a, 23b, 23c, 23d. And the inner surface of the opening 17 and between the locking claws 25 and the edge of the opening frame 18 on the back side.

  When the main body block 10A sandwiches the seat cover 6 and is locked to the backing block 10B in this manner, the holding frame portion 22 of the main body block 10A sandwiches the sheet cover 6 with the overhanging portion 19 of the backing block 10B. opposite. At this time, the holding frame portion 22 faces only the support base portion 19 </ b> A of the overhanging portion 19, and the extension portion 19 </ b> B extends outward from the portion facing the holding frame portion 22. That is, the overhanging portion 19 extends to the outside of the outer edge portion of the main body block 10A.

  Further, as shown in FIGS. 7 and 8, at the position facing the left and right support holes 21 (see FIG. 4) of the backing block 10B on the back surface of the support wall 22a of the main body block 10A, there is a tip portion. A locking projection 30 having a plurality of uneven portions is provided. The locking protrusion 30 is formed in a state in which the sheet skin 6 is caught in the sheet skin 6 when the sheet skin 6 is sandwiched between the support wall 22a of the main body block 10A and the support base portion 19A of the backing block 10B. 6 is pushed into the corresponding support hole 21 together. Thereby, the position shift of the frame member 10 and the sheet | seat outer skin 6 is controlled.

Next, an example of a method for attaching the frame member 10 to the seat back will be described with reference to FIGS.
First, the opening of the seat skin 6 closed by a wire fastener or the like is opened, and the backing block 10B is arranged at a predetermined position on the back side of the seat skin 6 as shown in FIG. At this time, the backing block 10 </ b> B is inserted between the cushion material 15 and the seat cover 6. When inserting the backing block 10B between the cushion material 15 and the seat skin 6, for example, by inserting along the seam 31 of the seat skin 6, the backing block 10B can be easily and accurately seated. It can arrange | position in the predetermined position of the back part.

  Next, in this state, the position of the opening 17 of the opening frame 18 of the backing block 10B is confirmed by touching the surface of the sheet skin 6 with a hand or the like, and as shown in FIG. Cut S1 and S2 into sheet skin 6 so as to connect the diagonals. At this time, the cuts S1 and S2 intersect each other at substantially the center of the opening 17, and the sheet skin 6 has an opening 16 formed by connecting the ends of the adjacent cuts S1 and S2, and the opening 16 Four extending pieces 16a having a substantially triangular shape connected to the inside are formed.

  At this time, the same cuts S1 and S2 as the sheet skin 6 are made through the opening frame 18 to the cushion material 15 arranged on the back side of the backing block 10B. Thereby, a part of the USB socket 11, the coupler 14, the USB cable 13, and the like can be inserted into the cushion material 15.

Thereafter, as shown in FIG. 12, the insertion walls 23a, 23b, 23c, and 23d of the main body block 10A are aligned with the opening 16 of the seat skin 6 and the opening 17 of the backing block 10B on the back, The insertion walls 23a, 23b, 23c, 23d of the block 10A and the locking claws 25 are inserted into the opening 17 of the backing block 10B. Thus, when the insertion walls 23a, 23b, 23c, 23d of the main body block 10A and the locking claws 25 are inserted into the opening 17 of the backing block 10B, the extended pieces 16a of the seat cover 6 are inserted into the insertion walls 23a, 23b. , 23c, 23d and the engaging claw 25, and inserted into the opening 17 of the backing block 10B. At this time, each locking claw 25 is inserted into the opening 17 while receiving a reaction force from the inner wall of the opening 17 of the backing block 10B and elastically deforming the root portion. When the insertion walls 23a, 23b, 23c, and 23d of the main body block 10A are inserted into the opening 17 of the backing block 10B by a predetermined amount or more, the roots of the respective locking claws 25 are elastically restored, and as a result, FIG. As shown in FIG. 3, each latching claw 25 is engaged with the edge on the back surface side of the opening frame 18 while the extended piece 16a of the sheet skin 6 is wound.
Further, at this time, the locking protrusions 30 protruding from the support wall 22a of the main body block 10A are pushed into the corresponding support holes 21 on the backing block 10B side while being bitten into the edge of the seat skin 6.

  Thus, when the frame member 10 is attached to the sheet skin 6, the USB socket 11 connected to the USB cable 13 is then attached to the holding frame of the frame member 10 (main body block 10B), as indicated by phantom lines in FIG. The portion 22 is fitted and fixed.

As described above, in the frame member 10 according to this embodiment, the backing block 10B is disposed on the back surface side of the seat cover 6, and the insertion walls 23a, 23b, 23c, and 23d of the main body block 10A from the front surface side of the seat cover 6 are arranged. And the locking claws 25 are inserted into the openings 17 of the backing block 10B, and the extended pieces 16a of the sheet skin 6 are wound inside. Finally, the locking claws 25 are joined to the edges on the back side of the opening frame 18. By engaging with each other, each extending piece 16 a of the seat skin 6 is sandwiched and fixed by the insertion walls 23 a, 23 b, 23 c, 23 d and the locking claw 25 and the opening frame 18.
Therefore, by adopting this frame member 10, the frame member 10 can be easily moved by an extremely simple operation of pushing the main body block 10A in the direction of the backing block 10B without providing a special support structure inside the seat back 3. And firmly attached to the sheet skin 6.

Further, in the frame member 10 according to this embodiment, the opening 17 of the opening frame 18 of the backing block 10B is formed in a substantially rectangular shape, and the main body block 10A has four support surfaces 24 facing the four sides of the opening 17. Insertion walls 23 a, 23 b, 23 c, and 23 d are provided, and locking claws 25 are provided so as to be continuous with the support surfaces 24. For this reason, when the insertion walls 23a, 23b, 23c, 23d of the main body block 10A are inserted into the opening 17 of the backing block 10B, the support surface 24 of the insertion walls 23a, 23b, 23c, 23d is the opening of the opening frame 18. The latching claws 25 are engaged with the edge portions on the back surface side of the respective sides of the opening frame 18 so as to face the respective sides of the opening frame 18.
Therefore, when this configuration is adopted, each extending piece 16a of the seat skin 6 is sandwiched and fixed between the main body block 10A and the backing block 10B in such a manner as to be wound around the four sides of the opening frame 18, respectively. The frame member 10 is more firmly fixed to the seat skin 6.

  Further, in the frame member 10 according to this embodiment, the backing block 10B is provided with an overhanging portion 19 along the front surface of the cushion material 15, and the overhanging portion 19 extends to the outside of the outer edge portion of the main body block 10A. Is configured to do. For this reason, the overhang | projection part 19 of backing block 10B can be stably supported on the front surface of the cushioning material 15 by a larger area. Therefore, this makes it easy to attach the main body block 10A to the backing block 10B, and increases the support rigidity of the frame member 10. Moreover, in the case of this embodiment, since the surface area of 10 A of main body blocks exposed outside can be made small, the appearance of the frame member 10 after attachment can be improved.

  Furthermore, in the frame member 10 according to this embodiment, the bulging portion 19 of the backing block 10B is provided with a plurality of breakable slit forming portions 20, so that the bulging portion 19 of the backing block 10B is formed into an arbitrary slit. By appropriately breaking at the portion 20, the overhanging length of the overhanging portion 19 can be easily adjusted according to the size and specifications of the sheet 1.

  Moreover, in the attachment method of the frame member 10 mentioned above, after arrange | positioning the backing block 10B to the back surface side of the sheet | seat outer skin 6, in the position corresponding to the opening 17 of the backing block 10B of the sheet | seat outer skin 6, the opening 17 is provided. By making incisions S1 and S2 intersecting at substantially the center, an opening 16 and four extending pieces 16a connected to the opening 16 are formed in the sheet skin 6, and thereafter, an insertion wall of the main body block 10A 23 a, 23 b, 23 c, 23 d and the locking claw 25 are inserted into the opening 17 of the backing block 10 </ b> B with the extending pieces 16 a of the sheet skin 6 being wound around. When this attachment method is adopted, after placing the backing block 10B on the back of the seat cover 6, incisions S1 and S2 are made at positions corresponding to the openings 17 of the backing block 10B on the seat cover 6. The position of the opening 16 of the sheet skin 6 and the position of the frame member 10 can be easily and accurately matched. For this reason, the workability of attaching the frame member 10 is improved.

  Further, when this attachment method is adopted, extended pieces 16 a having a substantially triangular shape and a sufficiently long extended length are formed on the inner side of the opening 16 of the seat skin 6 in correspondence with the four sides of the opening frame 18. Therefore, when the insertion walls 23a, 23b, 23c, 23d of the main body block 10A are inserted into the opening frame 18 of the backing block 10B, the extension piece 16a is inserted into the insertion walls 23a, 23b, 23c, 23d and the locking claws. 25 can be easily and reliably involved. Therefore, when this attachment method is adopted, the frame member 10 can be firmly fixed to the seat skin 6.

In addition, this invention is not limited to said embodiment, A various design change is possible in the range which does not deviate from the summary. For example, in the above embodiment, the frame member 10 is attached to the seat skin 6 on the back portion of the seat back 3, but the attachment site of the frame member 10 is not necessarily limited to the seat skin 6 on the back portion of the seat back 3. Alternatively, the seat skin 6 such as the side portion of the seat back 3 or the seat cushion 2 may be used. Moreover, in said embodiment, although the opening of the opening frame 18 and the sheet | seat skin 6 is formed in the substantially rectangular shape, the shape of these openings is not restricted to a substantially rectangular shape, but a triangular shape or a polygonal shape more than a pentagon The shape may be a circle, an ellipse or the like.
Further, the form of use of the frame member is not limited to the mounting seat of the USB socket, but may be a mounting seat of a socket for other power feeding system, a mounting seat of a member other than the socket, a guide such as a retracting strap, or the like.

6 ... Seat skin 10 ... Frame member 10A ... Main body block 10B ... Backing block 15 ... Cushion material 16 ... Opening 16a ... Extension piece 17 ... Opening 18 ... Opening frame 19 ... Overhanging part 20 ... Slit forming part 23a, 23b, 23c , 23d ... Insertion wall 24 ... Support surface 25 ... Locking claw S1, S2 ... Cut

Claims (5)

In the frame member attached to the edge of the opening of the seat skin,
A main body block disposed on the surface side of the sheet skin;
A backing block disposed on the back side of the sheet skin,
The backing block includes an opening frame having an opening,
The main body block includes an insertion wall that is inserted into the opening of the opening frame, and a locking claw that is integrally formed on the protruding end side of the insertion wall and is engaged with an edge on the back side of the opening frame. With
The insertion wall and the locking claw are inserted into the opening of the opening frame in a state where the opening edge of the sheet skin is wound inside, and the wound sheet skin is sandwiched and fixed between the opening frame. A frame member. The opening of the opening frame is formed in a substantially rectangular shape,
The insertion wall has support surfaces facing in four directions corresponding to the four sides of the opening of the opening frame, and at least one locking claw is provided continuously on each support surface. The frame member according to claim 1. The backing block is disposed by being inserted between the seat skin and a cushion material disposed on the back surface side of the seat skin,
The said backing block has an overhanging part along the front surface of the said cushion material, and the said overhanging part is extended outside the outer edge part of the said main body block, The Claim 1 or 2 characterized by the above-mentioned. Frame member.   The frame member according to claim 3, wherein the projecting portion of the backing block is provided with a breakable slit forming portion. In the mounting method of attaching the frame member according to claim 1 to the seat skin,
After placing the backing block on the back side of the sheet skin,
An opening formed by connecting ends of adjacent notches by making a plurality of incisions centered on a substantially central portion of the opening at a position corresponding to the opening of the backing block of the sheet cover; Forming a plurality of extending pieces connected to the inside thereof,
Thereafter, the insertion wall and the locking claw of the main body block are inserted into the opening of the opening frame of the backing block in a state where the extending piece of the seat cover is wound,
The locking claw of the main body block is engaged with the edge of the back side of the opening frame of the backing block, and the locking piece is sandwiched between the insertion wall, the locking claw, and the opening frame. A method for attaching a frame member, wherein the frame member is fixed.

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