CN102002821B

CN102002821B - Multi-stitch flat type lock-stitch sewing machine

Info

Publication number: CN102002821B
Application number: CN201010269955.9A
Authority: CN
Inventors: 堂安治
Original assignee: Pegasus Sewing Machine Manufacturing Co Ltd
Current assignee: Pegasus Corp
Priority date: 2009-08-31
Filing date: 2010-08-31
Publication date: 2014-05-07
Anticipated expiration: 2030-08-31
Also published as: CN102002821A; JP5547930B2; JP2011050482A

Abstract

The invention provides a multi-stitch flat type lock-stitch sewing machine capable of forming a novel seam rich in decoration, so as to easily confirm three upper threads arranged in a preset interval with the cloth surface side. A sewing machine shell of the multi-stitch flat type lock-stitch sewing machine comprises: a stitch vertically moving, a deconcentrator capable of horizontally swinging on the cloth carrying surface and supplying the decoration thread to the upper surface of the seam to sew a decoration pattern, wherein a fixed thread guide piece is fixed on the sewing machine shell and a first long hole and a second long hole are arranged in parallel above the deconcentrator; two hook parts arranged on the deconcentrator in parallel to be fastened with the decoration thread.

Description

Multi-stitch flat type lock-stitch sewing machine

Technical field

The present invention relates to so that the surface of cloth has the multi-stitch flat type lock-stitch sewing machine that ornamental mode forms and the decoration linear slit forming by this Sewing machines.

Background technology

As existing multi-stitch flat type lock-stitch sewing machine known have on sewing machine case have: up and down pin; The deconcentrator of horizontal hunting in cloth mounting surface (for example,, with reference to patent documentation 1).

Patent documentation 1: Japanese Patent Publication 6-46678 communique (the 2nd page, the 1st figure)

One example of the decoration linear slit forming as Sewing machines by above-mentioned patent documentation 1 in addition, is known have there are three needlework, the decoration linear slit of looper thread and decorative thread is (for example, with reference to " stitch that represents mark 605 " of non-patent literature 1.)。As shown in Figure 4, three needlework 1,2,3 leave the interval of regulation and configure in the pin side (cloth face side) of cloth.Wire loop 1L, the 2L of each needlework, 3L are by being divided into wire loop 4a, 4b, the 4c of decoration wire loop, cloth and looper thread 4 these three parts of decorative thread Z and carrying out his line running-on with the another one wire loop 4e of looper thread 4.In addition, looper thread 4 is configured in the rear side of cloth.

Non-patent literature 1: " classification of JIS stitch form and expression mark JIS L0120-1984 ", formulate clear and on July 1st, 59, and p.24-25 JSA issues

But above-mentioned decoration linear slit, as a part for the design of sewings, is preferably imbued with ornamental decoration linear slit more along with the raising needing in recent years, there is forming the multi-stitch flat type lock-stitch sewing machine of multiple decoration linear slit in expectation.In addition, in representing the stitch of mark 605, when observing away from cloth face side, under the impact of the decoration wire loop of decorative thread, can only hold the transverse width of linear slit line, have the situation of " stitch of expression mark 602 " that be mistaken as non-patent literature 1.That is, exist and to misunderstand that to decorate linear slit be that Sewing machines Sewing machines that form or two pins by three pins forms.

Summary of the invention

Thus, the first object of the present invention is to provide and can forms the multi-stitch flat type lock-stitch sewing machine that is imbued with ornamental novel linear slit, and another object of the present invention is to also provide a kind of decoration linear slit, it can easily confirm that three needlework leave the compartment of terrain configuration of regulation in cloth face side.

The present invention in order to achieve the above object, a kind of multi-stitch flat type lock-stitch sewing machine is provided, it has three up and down pins on sewing machine case, the deconcentrator of horizontal hunting in cloth mounting surface, and the mode of making decorative pattern so that decorative thread is supplied with to the upper surface of linear slit forms, it is characterized in that, have: static line guiding piece, this static line guiding piece is fixed on sewing machine case, and above deconcentrator, is provided with side by side the first slotted hole and the second slotted hole; And two hook portions, these two hook portions are arranged side by side on deconcentrator, and these two hook portions are the hook portion of the front that engages with a decorative thread and the hook portion midway engaging with another decorative thread, the wire loop of the decorative thread engaging with the hook portion of front is inserted through the wire loop of each needlework in cloth face side, the wire loop of another decorative thread engaging with hook portion is midway inserted through the wire loop of the wire loop of central needlework and the needlework on right side in cloth face side, a decorative thread and another decorative thread are matched colors respectively.

In addition, the invention provides a kind of decoration linear slit, it has three needlework that leave predetermined distance configuration, looper thread and decorative thread, the wire loop of needlework passes the decoration wire loop of the decorative thread of cloth face side by being divided into, the wire loop of this three part of cloth and looper thread and carry out his line running-on with the another one wire loop of looper thread, it is characterized in that, the decoration wire loop of one decorative thread is inserted through each needlework wire loop in cloth face side, the decoration wire loop of another decorative thread is inserted through central needlework wire loop and the needlework wire loop on right side in cloth face side, one decorative thread and another decorative thread are matched colors respectively.

Invention effect

According to a first aspect of the invention, owing to having: the static line guiding piece that is provided with side by side the first slotted hole and the second slotted hole; Be arranged side by side two hook portions on deconcentrator, therefore two decorative threads can be supplied to the upper surface of linear slit.And, by the horizontal hunting of the up and down deconcentrator along with pin, the decoration wire loop of a decorative thread can be inserted to logical each needlework wire loop in cloth face side, the decoration wire loop of another decorative thread is inserted logical central needlework wire loop and the needlework wire loop on right side in cloth face side, thereby can form, is imbued with ornamental novel linear slit.

According to a second aspect of the invention, because the decoration wire loop of a decorative thread is inserted through each needlework wire loop in cloth face side, the decoration wire loop of another decorative thread is inserted through central needlework wire loop and the needlework wire loop on right side in cloth face side, therefore, even if also can easily confirm that when observing away from cloth face side three needlework leave the compartment of terrain configuration of regulation in cloth face side, consequently, can confirm as the decoration linear slit of object it is whether that Sewing machines by three pins forms.

Accompanying drawing explanation

Fig. 1 means the front view of decorative thread seam sewing machine involved in the present invention.

Fig. 2 means the key diagram of the major part of this Sewing machines.

Fig. 3 means the stereogram of decoration linear slit involved in the present invention, and right-hand figure represents cloth surface, and the figure of left represents the major part at the cloth back side.

Fig. 4 means the stereogram of existing decoration linear slit.

Symbol description

1,2,3 needlework

The wire loop of 1L, 2L, 3L needlework

4 looper threads

5,6 decorative threads

5a, 5b, 6a, 6b decorate wire loop

17 deconcentrators

18 static line guiding pieces

18a, 18b slotted hole

MA sewing machine case

W cloth

The specific embodiment

Below, embodiments of the present invention are described with reference to the accompanying drawings.As shown in Figure 1, decorative thread seam sewing machine involved in the present invention has the lower shaft 10 linking with motor.From sewing machine case MA downwards outstanding shank 11 in lower end, there is pin stake 12, what the

13,14,15 that needlework are used and decorative thread were used can be arranged in pin stake 12 by moving-wire guiding piece 16.Can to front bending, be " > " word shape halfway by moving-wire guiding piece 16, its bottom has decorative thread and inserts general eyelet.Deconcentrator 17 is fixed on the outstanding swinging axle (not shown) downwards from sewing machine case MA, and its front end has two hook portion 17a, 17b.It is upper that static line guiding piece 18 is fixed on sewing machine case MA, and its lower end has the first slotted hole 18a and the second slotted hole 18b.

When lower shaft 10 rotates along with the action of motor, the

13,14,15 being arranged in pin stake 12 pumps together with shank 11.At this moment, deconcentrator 17 horizontal huntings.When deconcentrator 17 swings to left in the cloth mounting surface of Sewing machines support MB, the hook portion 17a of front catches decorative thread 5, and hook portion 17b midway catches decorative thread 6.In addition, not shown needlework 1,2,3 are inserted through respectively in

13,14,15, in Sewing machines support MB, have the wire loop of advancing and retreat with the rotation interlock of lower shaft 10.

Afterwards, the left pin 13 declining through top dead-centre is the rear to the decorative thread 5 of deconcentrator hook portion 17a by the first slotted hole 18a from static line guiding piece 18.At this moment, with the same middle pin declining 14 of left pin 13 by the first slotted hole 18a from static line guiding piece 18 rear to the decorative thread 5 of deconcentrator hook portion 17a and the second slotted hole 18b of static line guiding piece 18 to the decorative thread 6 of deconcentrator hook portion 17b.In addition, right pin 15 when declining by the first slotted hole 18a from static line guiding piece 18 front to the decorative thread 5 of deconcentrator hook portion 17a and the second slotted hole 18b of static line guiding piece 18 to the decorative thread 6 of deconcentrator hook portion 17b.As shown in Figure 2, cloth W by pressing piece 19 by the cloth mounting surface that is pressed in sewing machine seat MB, the leading section of

13,14,15 decline midway from above connect cloth W.

The decorative thread sewer forming by decorative thread seam sewing machine involved in the present invention has 1,2,3, looper threads 4 of three needlework and two decorative threads 5,6.Three needlework 1,2,3 face side at cloth W leave the interval of regulation and configure.Wire loop 1L, the 2L of each needlework, 3L are by being divided into wire loop 4a, the 4b of three, the 4c of decoration wire loop, cloth W and the looper thread 4 of decorative thread 5,6 and carrying out his line running-on (he yarn Le one ピ Application ゲ) with the another one wire loop 4e of looper thread 4.In addition, looper thread 4 is configured in the rear side of cloth W.

Each decorative thread 5,6 is described in detail in detail known, as shown in Figure 3, decorative thread 5 left and right are formed with decoration wire loop 5a, the 5b passing in the face side level of cloth W.The decorative thread wire loop 5a of left is inserted through needlework wire loop 1L, the 2L of left side and central authorities, and right-hand decorative thread wire loop 5b is inserted through the needlework wire loop 3L on right side.And decorative thread 6 also left and right is formed with decoration wire loop 6a, the 6b passing in the face side level of cloth W.The decorative thread wire loop 6a of left is inserted through central needlework wire loop 2L, and right-hand decorative thread wire loop 6b is inserted through the needlework wire loop 3L on right side.That is to say, the decoration wire loop of a decorative thread 5 is inserted through each needlework wire loop 1L, 2L, 3L in the face side of cloth W, and the decoration wire loop of another decorative thread 6 is inserted through the needlework wire loop 3L on central needlework wire loop 2L and right side in the face side of cloth W.

In the present embodiment, eyelet that can moving-wire guiding piece is that two decorative threads share, but is not limited to this, for example can also make can moving-wire guiding piece shape be anti-Y word shape and in each bottom, special-purpose eyelet be set.In addition, do not describe in detail in the present embodiment, if but the color matching of changing respectively decorative thread 5,6 is imbued with ornamental more.In addition, when forming the stitch of mark 605 " represent " of non-patent literature 1 by present embodiment, decorative thread is to be 1 and its thread path extend to the hook portion 17a of deconcentrator 17 from eyelet that can moving-wire guiding piece 16 through the first slotted hole 18a of static line guiding piece 18 near.

Claims

1. a multi-stitch flat type lock-stitch sewing machine, it has three up and down pins on sewing machine case, in cloth mounting surface the deconcentrator of horizontal hunting, and the mode of making decorative pattern so that decorative thread is supplied with to the upper surface of linear slit forms,

Described multi-stitch flat type lock-stitch sewing machine is characterised in that to have:

Static line guiding piece, this static line guiding piece is fixed on sewing machine case, and above deconcentrator, is provided with side by side the first slotted hole and the second slotted hole; And

Two hook portions, these two hook portions are arranged side by side on deconcentrator, and these two hook portions are the hook portion of the front that engages with a decorative thread and the hook portion midway engaging with another decorative thread,

The wire loop of the decorative thread engaging with the hook portion of front is inserted through the wire loop of each needlework in cloth face side, the wire loop of another decorative thread engaging with hook portion is midway inserted through the wire loop of the wire loop of central needlework and the needlework on right side in cloth face side, a decorative thread and another decorative thread are matched colors respectively.