JPS6052838B2 - Jig for sewing fasteners to waist belt - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a jig used to sew fasteners such as hooks to predetermined positions on waist belts of skirts and pants using a sewing machine.

Generally, as shown in FIG. 1, for example, fasteners 2, such as hooks and slits, which can be freely engaged and detached from each other are attached to both ends 1a9lb of the waist belt 1 of a skirt, which are overlapped with each other.

The method of attaching the stopper 2 to the waist belt 1 is to fold the belt material 5 in half, wrap the rigid belt core 6 therein, and finish sewing the waist belt 1. Stopper 2, 2 on lb
There is a method of sewing the waist belt 1 with a sewing machine, but while this makes it easy to set the sewing location of the stopper 2, the sewing thread 4 is exposed on the surface of the waist belt 1, spoiling the appearance. Therefore,
There is a method of blind stitching so that the sewing thread 4 is not exposed, but this can only be done by hand sewing, and machine sewing is not possible. In order to sew the stopper 2 to the waist belt 1 by machine sewing without exposing the sewing thread, the belt-shaped belt core 6 is wrapped in the belt-shaped belt material 5 as shown in FIG. When the waist belt 1 is unfolded, the stopper 2 will be sewn into its predetermined position using a sewing machine.
It is difficult to position the stopper 2 in the unfolded state. That is, in this positioning, for example, the band-shaped belt material 5
It is necessary to make a mark with chalk or the like at a predetermined distance from the edge of the sewing machine, and to sew with the stopper 2 placed at the mark.

Therefore, in order to accurately position the stopper 2 to be sewn, not only a considerable degree of skill is required, but also a great deal of labor and time is required for the sewing operation. Therefore, this invention focuses on the fact that the belt core has more rigidity than the belt material,
By using the mutually orthogonal edges of the longitudinal ends of the belt core as a reference surface for determining the sewing position of the stopper by applying them to the front-back and left-right direction position regulating parts provided on the sewing machine side, the waist The first object of the present invention is to improve the efficiency of the machine sewing work of the stopper by easily and accurately determining the sewing position of the stopper in the unfolded state at a stage before finishing sewing of the belt. A second object of the present invention is to enable existing sewing machines to be used effectively as they are by using a jig.

Embodiments of the present invention will be described below based on the drawings.

FIG. 2 shows the unfolded state of the waist belt 1 before it is sewn and finished. This shows a belt core 6 narrower than the belt 5 on one side edge in the width direction of the belt material 5.
are attached parallel to the longitudinal direction of the belt material, and a stopper 2 is sewn to a predetermined position P at the end of the belt material 5. The sewing position P of this stopper 2 is set at a distance a from one end edge 6a of the belt core 6 in the length direction and a distance b from one end edge 6b in the width direction perpendicular to the end edge 6a.

Incidentally, since the band-shaped belt core 6 is made of a rigid material as is well known, in addition to the shape-retaining function of the waist belt 1,
It is also a factor that determines the length and width of the waist belt 1.
3 to 5 illustrate a jig for sewing a stopper according to the present invention, and this jig 3 has a sewing machine needle hole 8 formed in a substantially central part of a rectangular base plate 7 in the vertical direction. Grooves 9a, 9b, and 9c each having an inverted T-shaped cross section are formed in the upper surface of the base plate 7 so that the width of the lower groove is larger than that of the upper groove. are provided in the front and rear directions respectively. In particular, the groove width H at the bottom of the left and right Pts 9b, 9C is set to be approximately the same as the width of the belt core 6 of the waist belt 1, and the band belt is placed at the left and right ends of the bottom of each groove 9b, 9c in the groove width direction. Left and right width direction edges 6b, 6 on the side where the core 6 is inserted
Lateral direction position regulating portions B, B are formed in which the contact portion B is regulated. Further, the front end of each groove 9a, 9b, 9c in the front and back direction is open, and one longitudinal end of the belt core 6 is inserted into the lower part of the groove 9a, 9b, 9c through a belt core insertion opening 1.
0a, 10b, 10c, especially left and right grooves 9b,
At the inner rear end of the lower part of 9c, there is provided a longitudinal position regulating part A in which one longitudinal end edge 6a on the side into which the belt core 6 is inserted is abutted and regulated.

The sewing machine needle passage hole 8 is located at a distance 'b as described above from the left side horizontal position regulating part B at the bottom of the right groove 9c, and at a distance a described above from the longitudinal position regulating part A forward. It is set to the position where it is placed.

An example of the means for forming the grooves 9a, 9b, and 9c is a comb-like shape that is shorter than the length of the base plate 7 in the front-rear direction and has the same-shaped notches 12a, 12b, and 12c at the center and left and right sides of the front edge. A transparent upper plate 13 and a spacer 15 having notches 14a, 14b, and 14c that are approximately the same shape as the upper plate 13 and have a width slightly larger than each of the notches 12a, 12b, and 12c of the upper plate 13 are prepared. , the upper plate 13 is integrally stacked on the upper surface of the base plate 7 via the spacer 15, thereby forming grooves 9a, 9b, 9c on the upper surface of the base plate 7.

A mounting bracket 16 is attached to the rear of the jig 3 for sewing fasteners constructed in this manner, and as shown in FIG. It is supported in a horizontal position and installed so that the sewing machine needle passage hole 8 is aligned with the position directly below the sewing machine needle 19. In the sewing machine 17, below the sewing machine needle 19, as shown in FIGS. 6 to 8, a holder 20a that removably holds the stopper 2 is held movably up and down by the vertically movable arm 10. In this case, in order to perform sewing work using this jig 3 for sewing fasteners, first, as shown in FIG. , one longitudinal end of the belt core 6 is horizontally inserted rearward into the groove 9c on the right side from the insertion opening 10c.

This belt-shaped belt core 6 has its left and right width direction edges 6b on the inserted side slidingly in contact with the left and right position regulating parts B, B, and one longitudinal end edge 6a in contact with the front and back position regulating part A. Insert it completely. Then, the belt-like belt material 5 exists above the sewing machine needle hole 8, and the part of the belt-like belt material 5 located directly above the sewing machine needle hole 8 becomes the position P where the stopper 2 is to be sewn. Next, when the vertically movable arm 20 is lowered, the stopper 2 held by the holder 20a at its tip comes into contact with the place where the stopper is sewn on the strip-shaped belt fabric 5, and the sewing hole of the stopper 2 is The sewing machine needle 19 passes through 2a, 2b, and 2c in sequence to sew.

In order to securely sew the stopper 2, as shown in FIG. 6 and FIG.
The fastener 2 may be inserted into the groove 9a on the top of the band-shaped belt material 5 and applied to the lower surface side of the belt-like belt material 5, and the fastener 2 and the padding cloth 21 may be sewn onto the belt-like belt material 5. However, in the case of a thick belt material 5, the stopper 2 may be sewn directly onto the belt material 5 without using the padding cloth 21. After sewing stopper 2,
The vertically movable arm 20 is moved upward to extract the belt core 6 along with the belt fabric 5 forward from the groove 9c of the jig 3. In addition, the waist belt 1 with the stopper 2 sewn in this way
As before, as shown in FIG. 10, the strip-shaped belt material 5 is folded in half parallel to its longitudinal direction to wrap around the strip-shaped belt core 6, so the sewing thread of the fastener 2 is hidden inside the strip-shaped belt material 5, and the It will not be exposed on the surface. Then the 11th
As shown in the figure, the waist belt 1 is sewn to the skirt. In the jig 3, the groove 9a formed above the sewing machine needle passage hole 8 is for inserting the patch cloth 21 when using it as described above, and is formed on the left side of the sewing machine needle passage hole 8. The groove 9b is provided to accommodate the case where the belt core 6 is located at the left end of the belt fabric 5 in the width direction. As explained above, the jig of the present invention has a groove 9c that allows one end of the belt-like belt core 6, which is integrally integrated with the belt-like belt fabric 5 in parallel with the front-rear longitudinal direction, to be inserted and removed. It is provided in the front-rear direction on the upper surface side of the base plate 7 having the sewing machine needle passage hole 8 on the left or right side of the sewing machine needle passage hole 8, and one end in the left and right width direction on the side where the belt core 6 is inserted into the groove 9c. Left-right position regulating portion B where the edge 6b is regulated in contact
A strip belt core 6 is provided at the rear end of the groove 9c.
A longitudinal position regulating portion A is provided in which one longitudinal end edge 6a of the side into which the needle is inserted is abutted and regulated, and the sewing machine needle passing hole 8
is set at a predetermined distance b in the horizontal direction from the left-right position regulating portion B of the groove 9c, and a predetermined distance a in the front-rear direction from the longitudinal position regulating portion A, By using this jig 3, the sewing position of the stopper 2 to the strip-shaped belt material 5 can be easily and accurately determined, and the sewing work can be performed efficiently by sewing machine. Even when sewing, it has the advantage that all the parts are sewn in the same places, which improves quality.

Furthermore, this invention can be easily and economically implemented by simply attaching the jig 3 to an existing sewing machine so that the sewing machine needle passage hole 8 of the jig 3 matches the position directly below the sewing machine needle 19. It is also advantageous in that it can be done.

[Brief explanation of drawings]

FIG. 1 is a perspective view illustrating a skirt with fasteners sewn by a conventional method. Fig. 2 is an exploded perspective view of a waist belt with a fastener sewn using the jig of this invention, Fig. 3 is a plan view showing an example of the jig of this invention, and Fig. 4 is - in Fig. 3. ■ Line sectional view, Figure 5 is an exploded perspective view of the jig of this invention, Figure 6 is a plan view of the jig of this invention with one end of the belt core of the waist belt inserted, and Figure 7 is the jig of this invention. A perspective view of the tool attached to the sewing machine, Figure 8 is an enlarged sectional view taken along the line ■-■ in Figure 6, Figure 9 is a perspective view of the stopper holder, and Figure 10 is the waist with the stopper sewn on. A sectional view of the belt, and FIG. 11 is a partial perspective view of the waist belt sewn to the skirt. 1... Waist belt, 2... Stopper, 3... Fixture sewing jig, 5... Band-shaped belt material, 6... Band-shaped belt. Core, 6a...One longitudinal end edge of the belt-shaped belt core, 6b...Edge in the left and right width direction of the belt-shaped belt core, 7...Base plate, 8.
...Sewing machine needle hole, 9c...groove, A...
...Front-back position regulating section, B...Left-right position regulating section, 16...Mounting bracket, 20a
...Holder, 17...Sewing machine, 19...Sewing machine needle.

Claims (1)

[Claims] 1 A base plate 7 having a sewing machine needle hole 8 and a groove 9c through which one end of the belt core 6 in the front and rear longitudinal direction, which is integrated into the belt fabric 5 in parallel with the front and rear longitudinal directions, can be inserted and removed.
A horizontal position provided in the front-rear direction on the upper surface side to the left or right side of the sewing machine needle passage hole 8, and where one end edge 6b in the left-right width direction on the side where the belt-shaped belt core 6 is inserted into the groove 9c is abutted and regulated. A regulating portion B is provided, and a longitudinal position regulating portion A is provided at the rear end of the groove 9c to which one longitudinal end edge 6a of the side into which the belt core 6 is inserted is regulated to contact. The needle passage hole 8 is set at a position at a predetermined distance in the horizontal direction from the left-right position regulating part B of the groove 9c, and at a predetermined interval in the front-rear direction from the longitudinal position regulating part A. Features a jig for sewing fasteners to waist belts.