JP7131271B2 - Jig for decorative sewing - Google Patents

Description

The present invention relates to a decorative sewing jig used for decorative sewing.

In Patent Document 1 below, (a) a base material, (b) a skin material covering the base material, (c) decorative stitches applied to the surface side of the skin material, and (d) along the decorative stitches A stitch position fixing member (retaining member) that forms a linear shape extending along the length of the surface and is sewn on the back side of the upholstery material with decorative stitches, and is attached to the base material to fix the position of the decorative stitches with respect to the base material. and a decorative component (upper board) configured to include. When manufacturing a decorative component having such a configuration, the stitch position fixing member is sewn to the back side of the skin material by the decorative stitches as the decorative stitches are applied to the skin material. By attaching the skin material to the base material with the stitch position fixing member attached to the base material, the decorative part is configured so that the decorative stitches do not shift with respect to the base material.

Japanese Unexamined Patent Application Publication No. 2015-93601

When manufacturing the decorative component configured as described above, it is necessary to sew the stitch position fixing member to the upholstery material by decorative stitches, as described above. However, it is difficult to sew a linearly formed stitch position fixing member having a relatively small width to an upholstery material by decorative stitches.

The present invention has been made in view of such circumstances, and is intended to ensure high quality and improve workability in the work of sewing a stitch position fixing member to an upholstery using decorative stitches. An object of the present invention is to provide a jig for decorative sewing that allows sewing.

In order to solve the above problems, the decorative sewing jig of the present invention comprises:
(a) a base material, (b) a skin material covering the base material, (c) a decorative stitch applied to the surface side of the skin material, and (d) a linear shape extending along the decorative stitch a stitch position fixing member that is sewn on the back side of the upholstery material with the decorative stitches and is attached to the base material to fix the position of the decorative stitches with respect to the base material; for holding the stitch position fixing member and the skin material when the stitch position fixing member is sewn to the skin material by the decorative stitch in the process of manufacturing the decorative part comprising A jig for decorative sewing,
a base made of a magnetic material and having a fitting groove in which the stitch position fixing member is fitted;
a cover made of a magnetic material and having a slit formed along the shape of the decorative stitch and through which a needle of a sewing machine is inserted;
a plurality of magnets each fixed to one of the base and the lid;
with
With the stitch position fixing member fitted into the fitting groove of the base and the covering material placed at a predetermined position on the base, the cover is moved to the base by the magnetic force of the plurality of magnets. The stitch position fixing member and the upholstery material are held between the base and the cover by being fixed to the cover.

In this decorative sewing jig, the stitch position fixing member is prevented from moving in the horizontal direction by the fitting groove of the base. The stitch position fixing member is sandwiched between the base and the covering material, and the covering material is sandwiched between the base and the cover. In other words, the decorative sewing jig having this configuration can prevent the positional deviation of the stitch position fixing member with respect to the upholstery material, and can ensure high quality in the decorative stitches. Further, by using the jig for decorative sewing having this configuration, the covering material can be sandwiched between the base and the cover body, and the portion of the covering material to be subjected to the decorative stitches can be stretched. There is no need for a function to hold the skin material on the side. In other words, by using the decorative sewing jig of this configuration, the sewing is performed while pressing the sewn portion, so that the upholstery material and the stitch position fixing member, which are the objects to be sewn, are not vibrated, and the upholstery material and the stitches are not vibrated. Decorative stitches can be applied while the position fixing member is stabilized, and high quality can be ensured. Further, by using the decorative sewing jig of this configuration, it is possible to easily fix the stitch position fixing member and the upholstery material, thereby facilitating the work of sewing the stitch position fixing member to the upholstery material by decorative stitches. Workability can be improved.

In the above configuration, those of the plurality of magnets fixed to the base are arranged on the side of the fitting groove, and those of the plurality of magnets fixed to the lid are arranged on the side of the slit hole. It can be configured to be arranged in

In the decorative sewing jig of this configuration, the positions where the magnets are arranged are limited, and a plurality of magnets are arranged in the vicinity of the place where the decorative stitches are applied along the places where the decorative stitches are applied. . According to the decorating sewing jig having this configuration, it is possible to reliably prevent the positional deviation of the place where the decorating stitches are applied to the upholstery material.

Further, in the above configuration, the plurality of magnets are arranged in the width direction with respect to the fitting groove or the slit hole within the range where the stitch position fixing member of the fitting groove or the slit hole is held. It may be configured such that it is arranged only inside the skin material.

The jig for decorative sewing of this configuration has a configuration in which magnets are arranged only inside (further from the outer edge) than the place where decorative stitches are applied to the covering material to be set, in other words, the decorative stitch is applied. A magnet is not provided on the outer edge side of the skin material with respect to the location. According to the jig for decorative sewing having this configuration, it is possible to allow the spreading of the covering material caused by the needle of the sewing machine sticking into the covering material, thereby suppressing twisting of the covering material and the like, thereby enabling decorative stitching. quality can be further enhanced.

Further, in the above configuration, the decorative stitch has a shape having a bent portion whose extending direction changes, and the fitting groove and the slit hole have a shape having a bent portion according to the shape of the decorative stitch. and the magnets may be arranged so as to overlap each other on the side of the bent portion of the fitting groove in the base and on the side of the bent portion of the slit hole in the lid. can.

In decorative stitches, deviations and twists are likely to occur in the vicinity of the bent portion during sewing. As a result, it is possible to firmly fix the upholstery material, so that it is possible to suppress the occurrence of slippage and twisting near the bent portion during sewing.

In the above configuration, among the plurality of magnets, the magnet fixed to the side of the bent portion of the fitting groove in the base and the magnet fixed to the side of the bent portion of the slit hole in the lid body The magnets other than the magnets may be arranged so as not to overlap with other magnets.

The jig for decorative sewing having this configuration is configured such that the magnets on the base side and the magnets on the lid side do not overlap at locations other than the bent portions of the decorative stitches, so that the lid is fixed to the base. is not made too strong, and the lid can be easily attached to and detached from the base while securing the fixing force of the lid to the base.

Further, in the above configuration, the lid may be configured to include a hinge that rotatably connects the lid with respect to the base, and a stopper that stops rotation of the lid in a direction in which it spreads with respect to the base. .

The jig for decorative sewing having this configuration is configured such that the lid can be opened and closed with respect to the base by means of the hinge, and the lid can be easily fixed to the base. Further, the jig for decorating sewing having this configuration is configured so that the lid can be stopped at a predetermined angle by the stopper. Since the lid is formed with a slit hole, when opening and closing, the parts facing each other across the slit hole are likely to be subjected to force due to their own weight. be. According to the decorating sewing jig having this configuration, such a deformation can be avoided by stopping the opening of the lid body with a stopper.

Further, in the above configuration, the stitch position fixing member includes a sewn portion extending along the decorative stitch to which the decorative stitch is sewn, and a protruding portion protruding from the sewn portion toward the base material. and the protrusion is attached to the base material by engaging the base material, and the fitting groove is provided with a space in the direction in which the decorative stitch extends the protrusion part. It can be configured to have a storage portion for storing in a state.

The stitch position fixing member may be molded in a state in which the projecting portion is displaced from the sewn portion. In particular, when the stitch position fixing member is made of resin and is formed by injection molding or the like, such misalignment is likely to occur. According to the decorative sewing jig having this configuration, the projecting portion can be reliably accommodated in the accommodating portion of the fitting groove provided in the base, so that misalignment of the stitch position fixing member during molding can be dealt with. can.

Further, in the above configuration, the base includes a flat base body and a pair of guides attached to the upper surface of the base body with a space therebetween. A groove may be formed.

In this decorative sewing jig, the skin material is sandwiched between the pair of guide upper surfaces of the base and the back surface of the lid, that is, sandwiched along the side of the portion where the decorative stitches are applied. Therefore, it is possible to reliably prevent the positional deviation of the decorative stitching portion of the upholstery material.

According to the present invention, there is provided a decorative sewing jig that ensures high quality and improves workability in the work of sewing a stitch position fixing member to a skin material by decorative stitches. can be done.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing a vehicle door trim including a decorative component that is a target object of a jig for decorative sewing according to an embodiment of the present invention; 1 is an exploded perspective view of a base material and a stitch position fixing member that constitute an upper board as a decorative component that is a target object of a jig for decorative sewing according to an embodiment of the present invention; FIG. FIG. 2 is an exploded perspective view of a skin material and a stitch position fixing member that constitute an upper board as a decorative component that is an object of the jig for decorative sewing according to the embodiment of the present invention; Fig. 4 is a perspective view of the stitch position fixing member shown in Figs. 2 and 3 as viewed from the back side; Sectional view showing the periphery of the stitch position fixing member in FIG. 1 (cross section VV in FIG. 1) 1 is a plan view (a diagram showing a state in which an upper lid is opened) of a jig for decorative sewing according to an embodiment of the present invention; FIG. FIG. 4 is a cross-sectional view showing a state in which the upholstery material and the stitch position fixing member are held by the decorative sewing jig according to the embodiment of the present invention; FIG. 2 is a side view showing a state in which the top lid of the jig for decorative sewing according to the embodiment of the present invention is opened; FIG. 4 is a plan view showing a state in which a stitch position fixing member is set on the decorative sewing jig of the embodiment of the present invention; FIG. 10 is an enlarged view of a part of FIG. 9, and is a plan view showing a state in which the projecting portion of the stitch position fixing member is accommodated in the accommodating portion of the fitting groove; FIG. 3 is a plan view showing a state in which an upholstery material is further set on the jig for decorative sewing according to the embodiment of the present invention; FIG. 3 is a plan view showing a state in which the upper cover of the decorative sewing jig of the embodiment of the present invention is closed;

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as modes for carrying out the present invention. It should be noted that the present invention is not limited to the following examples, and can be implemented in various modes with various modifications and improvements based on the knowledge of those skilled in the art.

A decorative sewing jig that is an embodiment of the present invention is used in the manufacturing process of a vehicle door trim 10 shown in FIG. First, the vehicle door trim 10 will be described. Although not shown, the door trim 10 constitutes a portion of a vehicle side door on the interior side of the vehicle, and is attached to a door inner panel from the interior of the vehicle interior. The door trim 10 is mainly composed of a generally rectangular trim board 11. In addition to the trim board 11, an inside handle 12, an armrest 13, a door pocket 14, a speaker grill 15, and the like are provided on the trim board 11. It is configured including various functional parts.

The trim board 11 is formed by assembling a plurality of board members together, and is mainly composed of an upper board 20, a lower board 21, and an ornament board 22. As shown in FIG. The inside handle 12 is provided on the vehicle front side of the ornament board 22 . Armrest 13 is provided on ornament board 22 . Door pocket 14 and speaker grill 15 are provided on lower board 21 .

<Structure of decorative part (upper board)>
The upper board 20 and the ornament board 22 described above are constructed by affixing an upholstery material with decorative stitches to a base material. The upper board 20 and the ornament board 22 are the decorative parts to which the decorative sewing jig of this embodiment is applied. , which will be described in detail below, also with reference to FIGS.

As shown in FIG. 1, the upper board 20 has a longitudinal shape extending in the vehicle front-rear direction, and has a shape in which a portion on the vehicle rear side bulges downward. The upper board 20 includes a plate-shaped base material 30 made of a synthetic resin material such as polypropylene, and a skin material that covers the surface side of the base material 30 (the interior side of the vehicle, the design surface side, and the lower side in FIG. 4). 31 and . The base material 30 is not limited to a synthetic material, and for example, a mixture of a wood-based material (kenaf, hemp, flux, sisal, etc.) and a synthetic resin may be used. Further, as shown in FIG. 1, the surface of the skin material 31 is provided with decorative stitches S (hereinafter sometimes simply referred to as "stitches S"), and the skin material 31 covers the base material 30. In the folded state, stitch S extends along the bottom edge of substrate 30 .

The upper board 20 also includes a stitch position fixing member 32 (hereinafter sometimes simply referred to as "fixing member 32") for fixing the position of the decorative stitch S with respect to the base material 30. As shown in FIG. The fixing member 32 is a linear member extending along the decorative stitches S, for example, made of a synthetic resin material such as polypropylene. The fixing member 32 can be fitted to a stepped portion 30a formed along the lower end side of the base material 30, as shown in FIG. When the fixing member 32 is fitted to the stepped portion 30a of the base material 30, the surface of the base material 30 and the surface of the fixing member are flush with each other. As shown in FIG. 3, the fixing member 32 includes a sewing portion 32a that extends along the decorative stitch S and is sewn with the decorative stitch S, and a plurality of projecting portions 32b that protrude from the back side of the sewing portion 32a. and On the other hand, the stepped portion 30a of the base material 30 is formed with a plurality of through holes 30b corresponding to the plurality of projecting portions 32b. Each projecting portion 32b of the fixing member 32 protrudes toward the base material 30 and is inserted into the through hole 30b from the front side, so that the fixing member 32 is fitted to the base material 30. As shown in FIG. Although briefly described, the projecting portion 32b is composed of a pair of projecting pieces 32c and 32d. One of the projecting pieces 32c has a claw-like shape. It is designed to stop from the top.

Then, the fixing member 32 is sewn to the upholstery material 31 by the decorative stitches S in a state of being arranged along the decorative stitches S on the back surface of the upholstery material 31 . After that, the fixing member 32 is attached to the base material 30 by fitting the plurality of projections 32b of the fixing member 32 into the plurality of through holes 30b of the base material 30, and the skin material 31 is attached to the base material. It is pasted on the surface of 30. With such a configuration, the upper board 20 has a fixed position of the decorative stitches S with respect to the base material 30 .

<Schematic configuration of jig for decorative sewing>
When manufacturing the upper board 20, which is a decorative component configured as described above, it is necessary to sew the stitch position fixing member 32 to the upholstery material 31 with the decorative stitches S as described above. However, it is difficult to sew the linearly formed stitch position fixing member 32 having a relatively small width to the upholstery material 31 with the decorative stitches S. As shown in FIG. Specifically, for example, it is difficult to ensure high quality in sewing the decorative stitches S and to improve the workability of the sewing work. Therefore, in the manufacturing process of the upper board 20, the decorative sewing jig 50 of the embodiment of the present invention is used when sewing the stitch position fixing member 32 to the upholstery material 31 by the decorative stitches S. By holding the upholstery material 31 and the stitch position fixing member 32, it is possible to ensure high quality, improve the workability of the sewing work, and furthermore, improve the workability of the upper board 20 manufacturing work. there is

A decorative sewing jig 50 (hereinafter, sometimes simply referred to as "jig 50") of this embodiment comprises a base 51 and an upper lid (lid body) 52, as shown in FIG. Both the base 51 and the upper lid 52 are made of a magnetic material (for example, stainless steel). The base 51 has a fitting groove 51a into which the fixing member 32 is fitted. Specifically, as shown in FIG. 6, the base 51 is mainly composed of a base body 60 made of a rectangular flat plate, and the base body 60 has decorative stitches as shown in FIG. Along S, in other words, along the direction in which the needle N of the sewing machine advances, a base-side slit hole 60a into which the tip of the needle N is inserted is formed. The base 51 has a pair of pedestals 61 fixed to the upper surface of the base main body 60 along the base-side slit holes 60a for mounting the fixing member 32, and a pair of pedestals 61 on the upper surface of the pair of pedestals 61 along each pedestal 61. and a pair of positioning members 62 that are fixed to fix the position of the fixing member 32 in the width direction. A fitting groove 51a is formed by the pair of pedestals 61 and the pair of positioning members 62, and the pair of pedestals 61 and the pair of positioning members 62 function as a pair of guides 63. .

On the other hand, the top lid 52 is mainly composed of a plate-shaped top lid main body 70 along the shape of the decorative stitches S, and the top lid main body 70 is formed with an opening 70a generally shaped along the decorative stitches S. ing. The upper lid 52 includes a guide member 71 fixed to the lower surface of the upper lid main body 70 so as to substantially cover the opening 70a. The guide member 71 is formed along the decorative stitch S, in other words, along the advancing direction of the needle N of the sewing machine, and guides the advancing direction of the needle N of the sewing machine while inserting the needle N. It has an upper lid side slit hole 71a that allows

The upper lid 52 is rotatably connected to the base 51 by three hinges 80, and can be opened and closed by these hinges 80. As shown in FIG. A gate-shaped stopper member 81 is erected on the base 51 on the back side of the hinge 80, and as shown in FIG. . In other words, the jig 50 of the present embodiment can minimize the opening and closing operations of the upper lid 52, and as will be described in detail later, improves the workability of setting and removing the upholstery material 31 and the fixing member 32. be able to. In addition, as shown in FIG. 6, the upper lid 52 is formed with the upper lid side slit hole 71a, so that when opening and closing the parts facing each other across the slit hole 71a, a force due to its own weight is likely to be applied. If the upper lid 52 is spread too far, it may be deformed by its own weight. According to the jig 50 of this embodiment, by stopping the opening of the upper lid 52 with the stopper member 81, it is possible to avoid a situation in which the upper lid 52 is deformed.

A plurality of permanent magnets 82 are fixed to each of the base 51 and the upper lid 52 . As will be described later in detail, magnetic force is generated between a magnet 82 fixed to the base 51 and a magnet 82 fixed to the top lid 52, or between the base 51 or the top lid 52 formed of a magnetic material and the magnet 82. By contacting, the upper lid 52 is fixed to the base 51 . Further, the jig 50 of this embodiment is configured to sandwich the surface material 31 and the fixing member 32 between the base 51 and the upper lid 52 by its magnetic force.

<Decorative Stitch Sewing Process and Features of Decorative Sewing Jig>
Next, the sewing process of sewing the upholstery material 31 and the fixing member 32 with the decorative stitches S in the manufacturing process of the upper board 20, which is a decorative part, will be described, and the decorative sewing jig 50 of the present embodiment will be described. I will explain the features of.

First, as shown in FIG. 9, the fixing member 32 is fitted into the fitting groove 51a of the base 51 with the upper lid 52 (not shown in FIG. 9) opened. As shown in FIG. 6, the fitting groove 51a has a plurality of accommodating portions 51a1 wider than other portions, and the fixing member 32 has a plurality of projecting portions 32b, each of which fits into the corresponding accommodating portion 51a1. It is fitted into the fitting groove 51a in the housed state. As shown in FIG. 10, the accommodation portion 51a1 has a dimension in the direction in which the fitting groove 51a extends, which is larger than the dimension of the projecting portion 32b of the fixing member 32. ) is provided with a space. The fixing member 32 is molded by injection molding, and errors are likely to occur during molding. However, according to the jig 50 of the present embodiment, each projecting portion 32b of the fixing member 32 can be reliably accommodated, so errors during molding of the fixing member 32 can be dealt with.

Next, as shown in FIG. 11, the skin material 31 is set on the base 51 . A plurality of positioning members 83 are attached to the base 51 for positioning the skin material 31 . Each positioning member 83 has a pin 83a protruding upward, while the skin material 31 has a plurality of positioning holes 31a (see FIG. 3) near the outer edge. By inserting the pin 83a of each positioning member 83 into the positioning hole 31a of the skin material 31, the skin material 31 can be set at a predetermined position. In addition, each of the plurality of positioning members 83 attached to the base 51 can be adjusted in its own extending direction and in its rotational direction. can respond.

Subsequently, as shown in FIG. 12, by closing the upper lid 52, the holding of the upholstery material 31 and the fixing member 32 is completed. As described above, a plurality of magnets 82 are fixed to each of the base 51 and the upper lid 52 and are fixed by the magnetic force of these magnets 82 . As shown in FIG. 6, among the plurality of magnets 82, the one 82a fixed to the base 51 is arranged on the side (outside) of the pair of guides 63, and the one 82b fixed to the upper lid 52 (hatched in the drawing). ) are arranged on the side (outside) of the guide member 71 . That is, the plurality of magnets 82 are arranged along the decorative stitch S in the vicinity of the portion where the decorative stitch S is applied.

Further, as shown in FIG. 12, both ends of the fitting groove 51a of the base 51 and both ends of the upper lid-side slit hole 71a are provided with the width direction of the fitting groove 51a and the upper lid-side slit hole 71a. However, in the middle portion between the fitting groove 51a and the upper lid side slit hole 71a, that is, within the range where the fixing member 32 is set, the magnets are arranged in the fitting groove 51a and the upper lid side slit hole 71a. On the other hand, they are arranged only inside the skin material 31 in the width direction thereof, and are not arranged on the outer edge side of the skin material 31 . With such a configuration, the jig 50 of this embodiment can allow the spread of the skin material 31 caused by the needle N of the sewing machine sticking into the skin material 31, thereby suppressing the twisting of the skin material 31 and the like. can be done.

Further, as shown in FIG. 1, the decorative stitch S applied to the upholstery material 31 has a shape having a bent portion whose extending direction generally changes from the longitudinal direction of the vehicle to the upward direction. That is, in the jig 50 of the present embodiment, the fitting groove 51a and the upper lid side slit hole 71a each have a bent portion in accordance with the shape of the decorative stitch S. 12, the base-side magnets 82a and the upper-cover-side magnets 82b are arranged so as to overlap each other in plan view at the bent portions of the fitting grooves 51a and the upper-cover-side slit holes 71a. On the other hand, the magnets other than the magnets 82 arranged at the bent portion are arranged so as not to overlap each other.

When sewing the bent portion of the decorative stitch S, the upholstery material 31 is likely to be misaligned or twisted. According to the jig 50 of the present embodiment, since the base-side magnet 82a and the upper-cover-side magnet 82b arranged at the bent portion are superimposed, the skin material 31 can be firmly held, so that the bent portion can be easily bent. Displacement and twisting of the upholstery material 31 can be sufficiently suppressed during sewing. Further, in the jig 50 of the present embodiment, the magnets 82 other than the bent portion are not superimposed, so that the fixation of the upper lid 52 to the base 51 is not too strong, and the upper lid 52 can be easily opened and closed. It is possible.

Furthermore, in the jig 50 of the present embodiment, the fixing member 32 fitted in the fitting groove 51a of the base 51 is covered with the skin material 31, and the skin material 31 is sandwiched between the base 51 and the upper lid 52, whereby the skin is Displacement of the material 31 can be suppressed. More specifically, as shown in FIG. 7, when the upper lid 52 is closed (the upper lid 52 is fixed to the base 51), the pair of guides 63 provided on the upper surface side of the base 51 and the , and a pair of guide members 71 provided on the lower surface side of the upper lid 52 are brought into contact with each other with the skin material 31 interposed therebetween. That is, the jig 50 of this embodiment can hold the skin material 31 along the side of the portion where the decorative stitches S are applied, so that the positional deviation of the skin material 31 can be reliably prevented.

As described above, the decorative sewing jig 50 of the present embodiment can keep the portion of the upholstery 31 to which the decorative stitches S are to be stretched. function is not required. In other words, if the decorative sewing jig 50 is used, the upholstery material 31 and the fixing member 32, which are the objects to be sewn, are not vibrated by advancing the sewing while pressing down the sewing area, and the upholstery material 31 and the fixing member 32 are not vibrated. The decorative stitches S can be applied while the member 32 is stabilized, and high quality can be ensured. Further, by using the decorative sewing jig 50, the fixing member 32 and the upholstery material 31 can be easily fixed, and the fixing member 32 can be easily sewn to the upholstery material 31 by the decorative stitches S. Workability can be improved.

DESCRIPTION OF SYMBOLS 10... Vehicle door trim 20... Upper board (decorative part) 30... Base material 31... Skin material S... Decorative stitch 32... Stitch position fixing member 32a... Sewing part 32b... Protruding part 50 Decorative sewing jig 51 Base 51a Engagement groove 51a1 Accommodating portion 52 Upper lid [cover] 61 Pedestal 62 Positioning member 63 Guide 71a Upper lid side slit hole , 80... Hinge 81... Stopper 82... Permanent magnet 82a... Base side magnet 82b... Upper cover side magnet

Claims (7)

(a) a base material, (b) a skin material covering the base material, (c) a decorative stitch applied to the surface side of the skin material, and (d) a linear shape extending along the decorative stitch a stitch position fixing member that is sewn on the back side of the upholstery material with the decorative stitches and is attached to the base material to fix the position of the decorative stitches with respect to the base material; for holding the stitch position fixing member and the skin material when the stitch position fixing member is sewn to the skin material by the decorative stitch in the process of manufacturing the decorative part comprising A jig for decorative sewing,
a base made of a magnetic material and having a fitting groove in which the stitch position fixing member is fitted;
a cover made of a magnetic material and having a slit formed along the shape of the decorative stitch and through which a needle of a sewing machine is inserted;
a plurality of magnets each fixed to one of the base and the lid;
with
With the stitch position fixing member fitted into the fitting groove of the base and the covering material placed at a predetermined position on the base, the cover is moved to the base by the magnetic force of the plurality of magnets. a decorating sewing jig configured to hold the stitch position fixing member and the upholstery between the base and the lid by being fixed to the sewing jig. Those of the plurality of magnets that are fixed to the base are arranged on the side of the fitting groove, and those of the plurality of magnets that are fixed on the cover are arranged on the side of the slit hole. The jig for decorative sewing according to claim 1. The decorative stitch has a shape having a bent portion whose extending direction changes,
The fitting groove and the slit hole are shaped to have a bent portion according to the shape of the decorative stitch,
3. The adder according to claim 2 , wherein the magnets are arranged so as to overlap each other on the side of the bent portion of the fitting groove in the base and on the side of the bent portion of the slit hole in the lid. Jig for decorative sewing. Among the plurality of magnets, the magnet fixed to the side of the bent portion of the fitting groove in the base and the magnet fixed to the side of the bent portion of the slit hole in the lid are excluded. 4. The jig for decorative sewing according to claim 3 , wherein the magnets are arranged so as not to overlap with other magnets. 5. The lid according to any one of claims 1 to 4 , further comprising: a hinge that rotatably connects the lid to the base; The jig for decorative sewing described in . The stitch position fixing member has a sewn portion that extends along the decorative stitch and is sewn with the decorative stitch, and a protruding portion that protrudes from the sewn portion toward the base material. attached to said substrate by engaging said substrate;
6. The decorative sewing according to any one of claims 1 to 5 , wherein the fitting groove has an accommodating portion that accommodates the projecting portion with a space provided in a direction in which the decorative stitch extends. jig. The base includes a flat plate-shaped base body and a pair of guides attached to the upper surface of the base body with a space therebetween, and the fitting groove is formed by the pair of guides. The jig for decorative sewing according to any one of claims 1 to 6 .

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