JP3178761U - Circular sewing jig - Google Patents

Abstract

An object of the present invention is to provide a circular sewing jig in which the fixing form of a jig body and a sewing machine is changed to improve convenience in use and to reduce costs in use and production.
This circular sewing jig is made of a high-hardness plate having excellent toughness, and has a smooth upper surface, a needle hole 31 at one end of the upper surface, and a slide groove 32 at the other end. The jig body 3, the sliding portion 41 having the positioning needle 413 on the slide groove 32 of the jig body 3, and the sliding / positioning mechanism 4 slidably provided, and are fixed to the lower surface of the jig body 3 by adhesion. And at least one adhesive member 5.
[Selection] Figure 2

Description

  The present invention relates to a circular sewing jig, and in particular, can be applied to various different brands and specs of sewing machines and their needle plates, for circular sewing to improve convenience in use and reduce costs in use and production. It relates to a jig.

  A conventional general circular sewing jig includes a jig body 11 and a moving member 12 as shown in FIG. A scale plate 111 is extended on the side surface of the jig body 11, and the moving member 12 is provided with a positioning needle 13 and is slidably coupled to the scale plate 111.

  When using this circular sewing jig, the user connects the jig body 11 to the side surface of the needle plate 21 of the sewing machine and fixes the jig body 11 to the side surface of the needle plate 21 of the sewing machine. Further, the position of the moving member 12 is adjusted as necessary. When the position of the moving member 12 is determined, the cloth 20 to be sewn is set on the needle plate 21 and the positioning needle 13 of the moving member 12 is passed through the cloth 20. Then, the user can sew a circular pattern on the fabric 20 with the sewing needle 22 by turning the fabric 20 with the positioning needle 13 as the center of circular sewing and operating the sewing needle 22 of the sewing machine. In this way, the role of sewing the fabric of the circular sewing jig is fulfilled.

  However, with the conventional circular sewing jig, as described above, the purpose of sewing a circular pattern on the fabric can be achieved, but the jig body and the sewing machine are usually fixed by uneven engagement or fitting. Because of this mechanism, the size of the sewing machine or the position of the needle hole differs depending on the design due to different brands and specifications. For this reason, the conventional circular sewing jig is difficult to apply to sewing machines of various different brands and specifications. In other words, a special circular sewing jig is required for different sewing machines, which is inconvenient for the user and increases the cost of use, as well as production, material preparation, and inventory of the circular sewing jig. It also needs to be improved because it leads to increased costs in possession.

In view of such a conventional circular sewing jig, the inventor has inconvenience in use that the jig main body is directly fixed to the sewing machine and cannot be applied to sewing machines of various different brands and specifications. Since it leads to high costs in use and production, in order to solve this problem, R & D was conducted and the present invention was proposed.
Therefore, the present invention has an object to provide a circular sewing jig that can change the fixing form of the jig main body and the sewing machine to improve the convenience in use and reduce the cost in use and production. To do.

In order to achieve the above object, a circular sewing jig according to the present invention includes a jig body, a sliding / positioning mechanism, and at least one adhesive member, and the jig body is a high-hardness plate material having excellent toughness. The jig body is provided with a needle hole and at least one slide groove, and the slide groove is provided on a side surface of the needle hole. The sliding / positioning mechanism is provided with a sliding portion, a position limiting portion is extended at the bottom of the sliding portion, and coupling portions are provided on both sides of the position limiting portion. The sliding portion includes a connecting portion of the position limiting portion that is in sliding contact with the slide groove of the jig body, and a positioning needle is provided on the sliding portion, and the position of the positioning needle and the position limiting portion Horizontal horizontal between position Set spacing distance direction, the adhesive member is above the surface is fixed by sticking together the lower surface of the jig body, and summarized in that.
In addition, this circular sewing jig preferably has the following configuration in each part.
(1) The adhesive member is a double-sided tape.
(2) The adhesive member is composed of an acrylic resin layer, a PET layer, and a soft polyurethane resin layer.
(3) It has at least one magnetic member used instead of the adhesive member.
(4) The needle hole is any one of the above-described shapes such as a circle and a rectangle, and the slide groove is a rectangle.
(5) At least one circular plate portion is provided, and the circular plate portion has two circular plate-like members.
(6) A protrusion having a convex cross section on the shorter side of the jig body is further provided at the slide groove and the needle hole provided above the surface of the jig body.

  According to the circular sewing jig of the present invention, the jig main body and the sewing machine bed are fixed to each other by the adhesive member by the above-described configuration, so that the jig main body is connected to the sewing machine in the conventional circular sewing jig. By fixing directly, it is possible to prevent the disadvantages that it cannot be applied to sewing machines of different brands and specifications, leading to inconvenience of use and high cost in use and production. The jigs can be applied to various different brands and specs of sewing machines and their needle plates, and thus have the effect of improving the convenience of use and reducing the cost of use and production.

A diagram showing a conventional circular sewing jig The figure which shows the jig | tool for circular sewing which concerns on 1st Embodiment of this invention. The figure which shows the structure of each part of the jig for circular sewing The figure which shows especially the structure of the adhesion member of the same circular sewing jig The figure which shows the effect | action of the jig for circular sewing The figure which shows the state where the positioning needle of the circular sewing jig is closer to the sewing machine needle plate The figure which shows the jig | tool for circular sewing which concerns on 2nd Embodiment of this invention.

Next, the form for implementing this device is demonstrated using figures.
(Embodiment 1)
2 to 6 show a first embodiment.
As shown in FIGS. 2 and 3, the circular sewing jig includes a jig body 3, a sliding / positioning mechanism 4, and at least one adhesive member 5.

  The jig body 3 is made of a high-hardness plate material with excellent toughness. In this case, the entire jig body 3 is formed in a substantially rectangular shape. The jig body 3 has a smooth upper surface. Since the upper surface of the jig body 3 is a smooth surface, as shown in FIG. 5, when the cloth 6 for sewing a circular pattern is placed on the jig body 3, the cloth 6 can be easily placed on the jig body 3. Since it can rotate and slide, there is an effect that it is easy to sew the fabric 6 on this circular sewing jig. The jig body 3 has a needle hole 31 at one end and a slide groove 32 at the other end at substantially the center in the vertical direction. The needle hole 31 is preferably formed in a circular shape or a rectangular shape. In this case, the needle hole 31 is formed in a circular shape. At least one slide groove 32 is formed in the jig body 3 and is formed in a rectangular shape that is long on the side surface of the needle hole 31. Further, a scale 33 is provided by engraving or painting on the upper surface of the jig body 3 toward one side portion in the lateral direction.

  The sliding / positioning mechanism 4 is configured such that the sliding portion 41 is slidable in the slide groove 32 of the jig body 3. In this case, the sliding / positioning mechanism 4 includes a sliding portion 41, a position limiting portion 411 extending on the bottom of the sliding portion 41, and coupling portions 412 provided on both sides of the position limiting portion 411. The coupling portion 412 of the portion 411 is provided so as to engage with and slide into the slide grooves 32 (both side edges thereof) of the jig body 3 so that the sliding portion 41 can slide on the slide grooves 32. In this case, the coupling portion 412 is a recessed groove. The sliding portion 41 is provided with a positioning needle 413. In this case, a horizontal lateral distance H1 is set between the position of the positioning needle 413 and the position limiting portion 411, and the positioning needle 413 is moved from the position limiting portion 411 to the needle hole 31 as shown in FIG. It is possible to approach.

The adhesive member 5 is fixed to the lower surface of the surface of the jig body 3 with the upper surface of the adhesive member 5 being fixed, and the lower surface of the adhesive member 5 is fixed to the bed of the sewing machine. Since the adhesive member 5 has its lower surface adhered and fixed to the sewing machine bed, the jig main body 3 is fixed to the sewing machine bed, and the role of the adhesive member 5 for fixing the jig main body 3 is fulfilled. In this case, the adhesive member 5 is a double-sided tape.
As shown in FIG. 4, the adhesive member 5 includes an acrylic resin layer (Acrylic adhesive) 51, a PET layer (Polyethylene Terephthalate) 52, and a soft polyurethane resin layer (adhesive). PU soft rubber) 53. In this case, the acrylic resin layer 51 is adhered and fixed to the lower surface of the surface of the jig body 3, and the PET layer 52 is positioned below the acrylic resin layer 51 and is fixed to the acrylic resin layer 51 by adhesion. . The flexible polyurethane resin layer 53 is located below the PET layer 52 and is fixed to the PET layer 52 by sticking to each other. The lower surface of the surface of the soft polyurethane resin layer 53 is used to adhere and fix to the sewing machine bed. The flexible polyurethane resin layer 53 is made of the adhesive member 5 according to material characteristics such as strong adhesive strength and temporary adhesiveness of the flexible polyurethane resin, and in addition to which characteristics that the adhesive strength is restored to the original state by washing or wiping. As a result, it is possible to achieve effects such as a long service life and improved convenience.
As another embodiment to replace the adhesive member 5, a magnetic member (not shown) such as a magnet can be used instead of the adhesive member 5 in accordance with the material of the jig body 3 and the sewing machine bed.

  FIG. 5 shows an example of use of this circular sewing jig. As shown in FIG. 5, when fixing the jig body 3 to the bed of the sewing machine, first, the user adjusts the position of the jig body 3 with the needle hole 31 provided in the jig body 3, and the needle hole 31. Is made to correspond to the position of the needle plate 71 of the sewing machine, and at that time, the jig body 3 is pushed, and the adhesive member 5 on the lower surface of the surface of the jig body 3 is adhesively fixed to the bed of the sewing machine. Thereby, the assembly of the jig body 3 is completed. Next, after the user adjusts the position of the sliding portion 41 and confirms the position of the sliding portion 41, the fabric 6 for sewing the circular pattern is set on the jig body 3, and the sliding portion 41 is placed on the fabric 6. The positioning needle 413 is penetrated. A circular pattern can be sewn on the fabric 6 by the sewing needle 72 by operating the sewing needle 72 of the sewing machine by sliding and rotating the fabric 6 on the jig body 3. In this way, the object of sewing a circular pattern on the cloth 6 of the circular sewing jig can be achieved.

  As described above, in this circular sewing jig, since the jig body 3 is fixed to the sewing machine bed by the adhesive member 5, it can be applied to sewing machines and needle plates 71 of various different brands and specifications. Since the jig main body 11 is directly fixed to the sewing machine like a conventional circular sewing jig, it cannot be applied to sewing machines of various different brands and specifications, and is inconvenient in use and high in use and production. It is possible to prevent disadvantages such as costs. Therefore, according to this circular sewing jig, since it can be applied to sewing machines and throat plates 71 of various different brands and specifications, it is possible to improve the convenience in use and reduce the cost in use and production. Can be achieved.

  Further, as shown in FIG. 6, when the user slides the sliding portion 41 and moves until the position limiting portion 411 of the sliding portion 41 is attached to one end of the slide groove 32 close to the needle hole 31, the positioning needle 413 is moved. Since the horizontal lateral distance H <b> 1 is set between the position and the position limiter 411, the positioning needle 413 can be brought closer to the needle hole 31 than the position limiter 411. That is, the positioning needle 413 can be brought closer to the sewing machine needle 72 of the sewing machine than the position limiter 411. Thereby, in this circular sewing jig, it is possible to sew a circular pattern having a smaller radius on the fabric 6, and therefore, it is possible to obtain an effect that finer and better tailoring is possible.

(Embodiment 2)
FIG. 7 shows a second embodiment. As shown in FIG. 7, this circular sewing jig includes at least one circular plate portion 8, and different circular plate portions 8 can have different dimensions. The circular plate portion 8 has two circular plate members 81. In use, the first circular plate member 81, the fabric 6, and the second circular plate member 81 are sequentially penetrated by the positioning needle 413. That is, the fabric 6 is interposed between the two circular plate-like members 81. As a result, even when the fabric 6 is slid and rotated, the balance is not lost and it is difficult to crease, and the circular sewing circle is maintained. Therefore, this circular sewing jig can improve the effect of tailoring the circular sewing.

  Further, in this circular sewing jig, the slide groove 32 and the needle hole 31 of the jig body 3 are provided, that is, the longitudinal center of the jig body 3 is formed in a convex shape upward from both sides thereof. Thus, a convex portion 34 is formed, and the cross section (longitudinal cross section) on the shorter side of the jig body 3 has a substantially convex shape. By providing such a convex portion 34, the jig body 3 has a reinforcing effect, and it is possible to effectively prevent the jig body 3 from warping or twisting due to the difference in thickness of the bottom portion. is there.

In order to further clarify the inventive step and practicality (industrial applicability) of the circular sewing jig according to the present invention, the circular sewing jig of the present invention is compared with the conventional circular sewing jig, The differences are listed below.
In the case of conventional circular sewing jigs, (1) Since the jig body is directly fixed to the sewing machine, it cannot be applied to sewing machines of various different brands and specifications, which is inconvenient in use. (2) It is necessary to produce a dedicated jig for various different sewing machines, which leads to an increase in cost due to production, material preparation, inventory holding, and the like.
On the other hand, in the circular sewing jig of the present invention, (1) since the jig body is fixed to the bed of the sewing machine by the adhesive member, it can be applied to various different brands and specs of sewing machines and their needle plates. Thus, the convenience in use can be improved, and (2) since the versatility of the jig is high, it is possible to reduce costs in production, material preparation, inventory holding, and the like.

  Each of the above embodiments is used to explain the structure, features, and effects of the present invention, and the above description only discloses a preferred embodiment of the present invention. Therefore, the scope of the request for registration of the utility model of the present invention is not limited, and various modifications and replacements without departing from the concept of the present invention are all included in the scope of the present invention. It is what

DESCRIPTION OF SYMBOLS 11 Jig body 111 Scale plate 12 Moving member 13 Positioning needle 20 Fabric 21 Needle plate 22 Sewing plate 3 Jig body 31 Needle hole 32 Slide groove 33 Scale 34 Convex part 4 Sliding / positioning mechanism 41 Sliding part 411 Position limit part 412 Coupling Part 413 Positioning needle 5 Adhesive member 51 Acrylic resin layer 52 PET layer 53 Soft polyurethane resin layer 6 Cloth 71 Needle plate 72 Sewing needle 8 Circular plate part 81 Circular plate-like member H1 Horizontal horizontal spacing

Claims (7)

It consists of a high-hardness plate material with excellent toughness, the upper surface of the surface is a smooth surface, a needle body with a needle hole at one end of the upper surface and a slide groove at the other end,
A sliding portion provided on the slide groove of the jig body, having a positioning needle, a position limiting portion extending to the bottom of the sliding portion, and a coupling portion provided on both sides of the position limiting portion; The sliding portion is configured to be slidable on the slide groove by bringing the coupling portion of the position limiting portion into sliding contact with the slide groove of the jig body, and the position of the positioning needle of the sliding portion and the position limit A sliding / positioning mechanism in which a predetermined interval distance is set in the horizontal direction between the position of the part and
Comprising at least one adhesive member whose upper surface is adhered and fixed to the lower surface of the surface of the jig body;
A circular sewing jig characterized by that.   The circular sewing jig according to claim 1, wherein the adhesive member is a double-sided tape.   The circular sewing jig according to claim 1, wherein the adhesive member includes an acrylic resin layer, a PET layer, and a soft polyurethane resin layer.   The circular sewing jig according to claim 1, wherein at least one magnetic member is provided instead of the adhesive member.   The circular sewing jig according to claim 1, wherein the shape of the needle hole is either a circle or a rectangle, and the shape of the slide groove is a rectangle.   The circular sewing jig according to claim 1, further comprising a circular plate portion penetrating through the positioning needle, wherein the circular plate portion includes two circular plate-shaped members.   2. The circular sewing jig according to claim 1, wherein the jig body has a substantially convex cross section, and a convex portion is provided at a portion having the needle hole and the slide groove.

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