CN102206902A - Installation mechanism for yarn spreader - Google Patents
Installation mechanism for yarn spreader Download PDFInfo
- Publication number
- CN102206902A CN102206902A CN2011100702477A CN201110070247A CN102206902A CN 102206902 A CN102206902 A CN 102206902A CN 2011100702477 A CN2011100702477 A CN 2011100702477A CN 201110070247 A CN201110070247 A CN 201110070247A CN 102206902 A CN102206902 A CN 102206902A
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- lever
- face
- collar
- rotating shaft
- spreader
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- 238000009434 installation Methods 0.000 title abstract description 32
- 238000005034 decoration Methods 0.000 claims description 25
- 238000009958 sewing Methods 0.000 claims description 25
- 238000010417 needlework Methods 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000002687 intercalation Effects 0.000 description 3
- 238000009830 intercalation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000009966 trimming Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to an installation mechanism for a yarn spreader, which makes the reset of a driving arm towards an installation referential position easier when the driving arm dismounted from a vertical shaft is reinstalled. A linear cooperation mark 10a extending from the upper end to the lower end of a side surface of a collar 10 is arranged on the side surface of the collar 10 at the lower end of a rotary shaft 8. Moreover, a surface decorative lever 12 is arranged on the lower end of the rotary shaft 8 under the collar 10, and a linear cooperation mark 12a extending from the upper end perpendicular to the lower end of a side surface of a basic end of the surface decorative lever 12.
Description
Technical field
The present invention relates to a kind of moving and on sewn object, apply the installing mechanism that face is decorated the spreader of seam with pin association.
Background technology
The known in the past face in formation face decoration seam is decorated in the Sewing machines, possesses the structure (for example with reference to patent documentation 1) of spreader installing mechanism at the chain-drive section front end of Sewing machines.
The spreader installing mechanism of patent documentation 1 has: the actuating arm (face decoration lever) on the vertical axes (rotating shaft) that links with main shaft, the bottom that is fixed on vertical axes, be fixed on the spreader (spreader) on the leading section of actuating arm.And, by such structure, the rotation interlock of vertical axes and main shaft and back and forth rotating around vertical axes, its rotating drive power passes to actuating arm, and spreader carries out move left and right and drives.Moving up and down of spreader and eedle synchronously swings, and this moment is so that the mode that the face decorative thread that spreader kept and needlework by eedle intersect is adjusted spreader and actuating arm height and direction of rotation position (the reference for installation position) with respect to vertical axes.And, according to reference for installation position fixedly spreader and actuating arm respectively.
Patent documentation 1: the Japan Patent spy opens the 2000-37579 communique
But, in the spreader installing mechanism of above-mentioned conventional art, when spreader or actuating arm are installed at every turn, need adjust again to described reference for installation position.
For example, making on the sewn object under the situation of the seam of demand side decorative thread (for example stitching 403 of the classification of JIS specification stitched version and display mark) not, carry out the obstruction that actuating arm that move left and right drives and spreader can become Sewing machines operator's operation, re-use Sewing machines so actuating arm pulled down from vertical axes.Then, when actuating arm is installed on the vertical axes once more, carry out like that as described above needing the plenty of time with respect to the adjustment again of the reference for installation position of vertical axes to actuating arm.
Summary of the invention
The present invention is in view of the above problems and research and development, and its purpose is to provide a kind of can make that actuating arm becomes easy to resetting of reference for installation position when installing from actuating arm that vertical axes is pulled down once again.
In order to address the above problem, spreader installing mechanism of the present invention, it has: be fixed on the axle bush on the head of sewing machine, can insert the rotating shaft that leads in described axle bush rotationally, the face that can be installed in rotationally on the described rotating shaft is decorated lever, and be fixed on described the spreader of decorating on the lever, rotate by described rotating shaft and the eedle interlock that moves up and down, thereby described spreader is decorated lever swing via described, and the decorative thread that remains on the described spreader and the needlework by described eedle are intersected and to sewn object enforcement ornamental seam, it is characterized in that, have by described rotating shaft and insert the logical and collar that can rotate with respect to rotating shaft and the collar is fixed on fixed part on the described rotating shaft, and, on described the decoration lever and the described collar, be respectively equipped with the positioning unit that on direction of rotation, positions with respect to rotating shaft.
According to the present invention, promptly be to pull down face from rotating shaft to decorate lever, by being located at the positioning unit on the collar and the face decoration lever, also can making face decorate lever and reset to the reference for installation position easily.
Description of drawings
Fig. 1 is the front skeleton diagram that is suitable for Sewing machines of the present invention.
Fig. 2 is the front view of major part of the Sewing machines of presentation graphs 1.
Fig. 3 is the exploded perspective view of major part of the Sewing machines of Fig. 1.
Fig. 4 is the front view of major part of the Sewing machines of expression other embodiment of the present invention.
Fig. 5 is the diagram of major part of the Sewing machines of expression other embodiment of the present invention, (a) be the front view of the collar, (b) is the vertical view of face decoration lever.
Fig. 6 is the diagram of major part of the Sewing machines of expression other embodiment of the present invention, (a) be the front view of the collar, (b) is the front view of face decoration lever.
Fig. 7 is the diagram of major part of the Sewing machines of expression other embodiment of the present invention, (a) be the front view that the collar and face are decorated lever, (b) is the vertical view of the collar and face decoration lever, (c) is the vertical view of cam pin.
Fig. 8 is the diagram of major part of the Sewing machines of expression other embodiment of the present invention, (a) be the rearview that the collar and face are decorated lever, (b) is the vertical view of the collar and face decoration lever, (c) is the rearview of cam pin.
Description of reference numerals
8 rotating shafts
10 collars
The 10a match mark
Decorate lever for 12
The 12a match mark
The 20a needle pin
The 22a needle pin
The 25a protuberance
The 27a cutting part
The 31 step collars
The 31a match mark
31b axle insert opening
The 31c collar portion
The 31d axial region
The 33a match mark
The 36a support holes
37a regulates and uses slotted hole
38 cam pins
The 38a axial region
The 38b eccentric axial portion
The 38c operating portion
The 46a slot part
The 47a outer shaft
Axle in the 47b
49 torsion springs
51 guide members
The 51a main part
The 51b claw
The specific embodiment
Below, embodiments of the present invention are described with reference to the accompanying drawings.As shown in Figure 1, Sewing machines of the present invention by the base plate 1 of the bottom that is positioned at Sewing machines, from base plate 1 upright leg section 2 of establishing, extend the chain-drive section 3 that is provided with from the top of leg section 2 along the direction identical and constitute with base plate 1.On chain-drive section 3, can set needle bar 4 with moving up and down, via needle guard 6 three eedles 5 are installed in the lower end of this needle bar 4.And, in eedle 5, pass through needlework.
Rotating shaft 8 can be installed rotationally by the axle bush 9 that is fixed on the chain-drive section 3 in rear at needle bar 4.Rotating shaft 8 is attached on known the decoration mechanism, swings around axle with not shown main shaft interlock.In the lower end of rotating shaft 8, the collar 10 is inserted logical being fixed on the rotating shaft 8 by screw element 11,11.The collar 10 can be regulated up and down and the position of direction of rotation with respect to rotating shaft 8.In addition, below the collar 10, face is decorated the cardinal extremity of lever 12 and is inserted logical being fixed on the rotating shaft 8 by screw element 13.Face is decorated lever 12 and can be regulated up and down and the position of direction of rotation with respect to rotating shaft 8.The other end of decorating lever 12 at face is by screw element 15 fixing hook-shaped spreaders 14.And, spreader 14 and eedle 5 move up and down interlock and near eedle 5 to the left and right direction move back and forth, remain on that face decorative thread on the spreader 14 intersects with needlework and formation face is decorated seam.
As Fig. 2 and shown in Figure 3, the match mark 10a that extends to the wire of lower end from the upper end of this side is set in the side of the described collar 10.In addition, also be provided with from the vertical match mark 12a that extends the wire that is set to the lower end in the upper end of this side in the cardinal extremity side of face decoration lever 12.Match mark 10a and match mark 12a are the positioning units that the face decoration lever 12 and the collar 10 position on direction of rotation with respect to rotating shaft 8.The repositioning method that the localization method of the reference for installation position of the face decoration lever 12 in such structure and the face that is removed are decorated lever 12 describes following.
At first, loosening screw element 13, screw element 15, adjustment face is decorated lever 12 and is decorated the height of lever 12 and the position of direction of rotation with respect to the height of rotating shaft 8 and the position and the spreader 14 of direction of rotation with respect to face, and decision face is decorated the best position (reference for installation position) of lever 12.At this moment, the screw element 11,11 of the collar 10 is loosening in advance.Afterwards, decorate lever 12 and spreader 14, and face is decorated lever 12 be fixed on the reference for installation position by screw element 13 and screw element 15 stationary planes.Then, under the lower surface bearing surface that makes the collar 10 is decorated the state of cardinal extremity upper surface of lever 12, the collar 10 is rotated.Then, decorate under the consistent state of the match mark 12a of lever 12, the collar 10 is fixed on the rotating shaft 8 by screw element 11,11 at the match mark 10a that makes the collar 10 and face.
As mentioned above, the collar 10 its lower surface index planes that are fixed on the rotating shaft 8 are decorated the position of the short transverse of lever 12, and match mark 10a index plane is decorated the position of the direction of rotation of lever 12.Therefore, the face of pulling down from rotating shaft 8 be decorated lever 12 is installed on the rotating shaft once more, make face decorate the lower surface of the cardinal extremity upper surface butt collar 10 of lever 12, make the match mark 12a of face decoration lever 12 consistent with the match mark 10a of the collar 10, by screw element 13 face is decorated lever 12 and be fixed on the rotating shaft 8, then carry out face easily and decorate lever 12 resetting to the reference for installation position.
In addition, carrying out face and decorate positioning unit that lever and the collar position with respect to rotating shaft as shown in Figure 4 on direction of rotation, can be to decorate the structure that needle pin 20a and needle pin 22a are set respectively on the lever 22 at the collar 20 and face.Be arranged on the needle pin 20a that horizontal direction is extended in the side of the collar 20.In addition, near the upper surface the cardinal extremity of face decoration lever 22 is arranged on the needle pin 22a that vertical direction is extended.Under this structure, make face decorate the needle pin 20a of the needle pin 22a butt collar 20 of lever 22 to resetting of reference for installation position, just can accurately carry out face and decorate the location of lever 22 with respect to the direction of rotation of rotating shaft 8 as long as will carry out face decoration lever 22.
In addition, as other embodiment of positioning unit, protuberance 25a (with reference to Fig. 5 (a)) can be set also at the lower surface of the collar 25, the cutting part 27a (with reference to Fig. 5 (b)) that this protuberance 25a and the face of being located at are decorated on the cardinal extremity of lever 27 is chimeric.
In addition, also can decorate the installation site of lever according to sewing condition change face.Structure according to described positioning unit, when the reference for installation location change, face is decorated the leeway that the two installation site of lever and the collar all not have change, but by with shown in the step collar 31 shown in structure formation Fig. 6 (a) of the collar, thereby carry out the change of reference for installation position easily.The step collar 31 is made of collar portion 31c and axial region 31d, and the diameter of axial region 31d is littler than the diameter of collar portion 31c.Side at collar portion 31c is provided with the match mark 31a that extends vertically up to the wire of lower end from the upper end of this side.In addition, an insert opening 31b is set on collar portion 31c, intercalation rotating shaft 8 in axle insert opening 31b.At the lower surface of the bottom surface of axle insert opening 31b butt rotating shaft 8, the step collar 31 is fixed on the rotating shaft 8 by screw element 32,32.In addition, the face shown in logical Fig. 6 (b) of inserting on axial region 31d is decorated lever 33.Face is decorated the cardinal extremity upper surface butt collar portion 31c of lever 33 and the step of axial region 31d, and face is decorated lever 33 and is fixed on the axial region 31d by spring 34.The cardinal extremity side of decorating lever 33 at face is provided with the match mark 33a that extends vertically up to the wire of lower end from the upper end of this side.Behind the location of the reference for installation position of face decoration lever 33, the match mark 31a of the step collar 31 is consistent with the match mark 33a that face is decorated lever 33.
By such structure, under the situation of the reference for installation position of corresponding sewing condition change face decoration lever 33, the screw element 32,32 of the loosening step collar 31, carry out the adjustment of installation site, by screw element 32,32 the step collar 31 is fixed on the rotating shaft 8 again, thereby need not become flexible the screw element 34 that face is decorated lever 33, change face is decorated the reference for installation position of lever 33 easily.In addition, the match mark 33a by the match mark 31a and the face of the step collar 31 are decorated lever 33 carries out resetting to the reference for installation position after changing easily.In addition, be not limited to match mark 31a, the match mark 33a of present embodiment, also can adopt other structures (for example the protuberance 25a of the spring 25 of aforesaid embodiment and face are decorated the cutting part 27a of lever 27 etc.) about positioning unit.
In addition, can describe following from the embodiment of reference for installation fine position face decoration lever about corresponding sewing condition with respect to the direction of rotation position of rotating shaft 8.As Fig. 7 (a) and (b), the adjusting that the support holes 36a on being formed at the collar 36 and the face that is formed at are decorated on the lever 37 is led to cam pin 38 with inserting among the slotted hole 37a, and cam pin 38 is fixed on the collar 36 by screw element 39.Cam pin 38 is provided with axial region 38a with axle center X1 shown in Fig. 7 (c), have eccentric axial portion 38b from the axle center X2 of axle center X1 off-centre, bestow the operating portion 38c of external force for cam pin 38 is rotated.Cam pin 38 is by linking axial region 38a, linking eccentric axial portion 38b and integrally formed on axial region 38a on the operating portion 38c.Axial region 38a inserts and leads in the support holes 36a of the collar 36, and eccentric axial portion 38b inserts the adjusting of leading at face decoration lever 37 and uses among the slotted hole 37a.Regulating with slotted hole 37a is that face is decorated the slotted hole of growing on the length direction of lever 37.The method for trimming that face in such structure is decorated the reference for installation position of lever 37 describes following.
Under the sewing condition of benchmark, decorate the loosening screw element 40 of degree that lever 37 does not break away from from rotating shaft 8 with face, making face decorate lever 37 can rotate around rotating shaft 8, the screw element 39 of the loosening collar 36, operating portion 38c is rotated, if cam pin 38 sways, then can decorate the direction of rotation position of lever 37 with respect to the offset fine setting face of axle center X1 according to axle center X2.
In addition, to pull down face from rotating shaft 8 and decorate lever 37, as long as being decorated lever 37, face resets to the reference for installation position, make face decorate lever 37 and insert logical rotating shaft 8, and the eccentric axial portion 38b of logical cam pin 38 is inserted in the adjusting that makes face decorate lever 37 with slotted hole 37a, make face decorate the lower surface of the cardinal extremity upper surface butt collar 36 of lever 37, face is decorated lever 37 be fixed on the rotating shaft 8 by screw element 40 and get final product.
Then, can describe following from other embodiments of reference for installation fine position face decoration lever about corresponding sewing condition.As Fig. 8 (a) and (b),, near the collar 46 sides cam pin 47, slot part 46a is set in vertical direction from the upper end of the collar 46 to the lower end at the side of the collar 46 intercalation cam pin 47.Cam pin 47 is integrally formed by outer shaft 47a that gives prominence to from the collar 46 and the interior axle 47b of intercalation the collar 46, and shown in Fig. 8 (c), outer shaft 47a and interior axle 47b have axle center Y1 and axle center Y2 respectively.Cam pin 47 is fixed on the collar 46 by screw element 48.Pass through fixedly torsion spring 49 of screw element 50 at the collar 46 upper surfaces.One end card of torsion spring 49 hangs among the slot part 46a.The other end of torsion spring 49 engages with the leading flank 53a that the face of the bottom that is configured in the collar 46 is decorated lever 53, and by the effect of spring, torsion spring 49 is that lever 53 is decorated around counterclockwise pressured in the center with the rotating shaft among Fig. 8 (b) 8.At the trailing flank 53b of face decoration lever 53, guide member 51 is decorated on the lever 53 by screw element 52 face that is fixed on.Guide member 51 has by screw element 52 face that is fixed on to be decorated the main part 51a on the lever 53 and extends the claw 51b that formation is set from main part 51a.Claw 51b is fastened on the cam pin 47.The method for trimming that face in such structure is decorated the reference for installation position of lever 53 describes following.
At first, under the sewing condition of benchmark, loosening screw element 54 is decorated lever 53 around rotating shaft 8 planes of rotation.At this moment, because torsion spring 49 is decorated lever 53 by pressed surface, so the pressured cam pin 47 of the claw 51b of guide member 51.Then, the screw element 48 of loosening cam pin 47 rotates cam pin 47.It is the center rotation according to the offset of the axle center Y2 of the axle center Y1 of the outer shaft 47a of cam pin 47 and interior axle 47b and with rotating shaft 8 that lever 53 is decorated in the rotation of corresponding cam pin 47, face.Therefore, can decorate lever 53 from reference for installation fine position face by corresponding sewing condition.In addition, under this structure, even loosening face is decorated the screw element 54 of lever 53, because the claw 51b card of guide member 51 hangs over the upper surface of spring 46, can not break away from so face is decorated lever 53, carry out the adjustment that face is decorated the reference for installation position of lever 53 easily from rotating shaft 8.
Then, the method for dismounting about face decoration lever 53 describes.At first, become flexible the screw element 54 that face is decorated lever 53.Then, making face decorate the depended on pressure of lever 53 opposing torsion springs 49, is that the center clockwise rotates the slot part 46a that arrives spring 46 up to the claw 51b of guide member 51 with rotating shaft 8.After claw 51b arrives slot part 46a, make claw 51b decorate lever 53 and move downwards, decorate lever 53 thereby can pull down face from rotating shaft 8 along slot part 46a, face.In addition, face decoration lever 53 can carry out according to the reverse order of above-mentioned operation to resetting of reference for installation position.Promptly, making face decorate lever 53 inserts logical rotating shafts 8 and claw 51b is pressed along slot part 46a, claw 51b is by the upper end of slot part 46a, then the depended on pressure of torsion spring 49 makes the pressured cam pin 47 of claw 51b, claw 51b engages with cam pin 47, as long as so, then carry out face easily and decorate lever 53 resetting to the reference for installation position in that face decoration lever 53 is fixed on the rotating shaft 8 by screw element 54.
Claims (1)
1. the spreader installing mechanism of a Sewing machines, it has: be fixed on axle bush on the head of sewing machine, can insert the rotating shaft that leads in described axle bush rotationally, the face that can be installed in rotationally on the described rotating shaft is decorated lever and is fixed on described the spreader of decorating on the lever
Described rotating shaft rotates with the eedle interlock that moves up and down, thereby makes described spreader decorate lever via described and swing, and the decorative thread that remains on the described spreader and needlework by described eedle is intersected and to sewn object enforcement ornamental seam,
The spreader installing mechanism of described Sewing machines is characterised in that,
Have by described rotating shaft and insert the logical and collar that can rotate with respect to rotating shaft and the collar is fixed on fixed part on the described rotating shaft, and, on described the decoration lever and the described collar, be respectively equipped with the positioning unit that on direction of rotation, positions with respect to rotating shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010084124A JP2011212286A (en) | 2010-03-31 | 2010-03-31 | Spreader attaching mechanism |
| JP2010-084124 | 2010-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102206902A true CN102206902A (en) | 2011-10-05 |
Family
ID=44695952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100702477A Pending CN102206902A (en) | 2010-03-31 | 2011-03-21 | Installation mechanism for yarn spreader |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011212286A (en) |
| CN (1) | CN102206902A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI898346B (en) * | 2023-03-01 | 2025-09-21 | 日商鈴木製作所股份有限公司 | Sewing machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237058B (en) * | 2017-06-29 | 2020-03-24 | 杰克缝纫机股份有限公司 | Needle feeding adjusting structure of sewing machine |
| CN107237057B (en) * | 2017-06-29 | 2020-03-24 | 杰克缝纫机股份有限公司 | Sewing machine feeds needle and adjusts structure |
| JP7603525B2 (en) | 2021-05-13 | 2024-12-20 | 株式会社ジャノメ | Top dressing mechanism and sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104689A (en) * | 1993-05-17 | 1995-07-05 | 联合特别公司 | Triple-needle seams with covered stitching |
| JPH0884873A (en) * | 1994-09-20 | 1996-04-02 | Juki Corp | Flat stitch sewing machine |
| CN1128818A (en) * | 1994-09-22 | 1996-08-14 | 重机公司 | Upper feed mechanism for sewing machine and sewing machine having same |
| GB2302340A (en) * | 1993-05-17 | 1997-01-15 | Union Special Corp | Sewing machine for producing a three-needle stitch |
| CN201125316Y (en) * | 2007-11-08 | 2008-10-01 | 靖纺股份有限公司 | Adjusting and positioning device for thread hooking mechanism of sewing machine |
-
2010
- 2010-03-31 JP JP2010084124A patent/JP2011212286A/en active Pending
-
2011
- 2011-03-21 CN CN2011100702477A patent/CN102206902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104689A (en) * | 1993-05-17 | 1995-07-05 | 联合特别公司 | Triple-needle seams with covered stitching |
| GB2302340A (en) * | 1993-05-17 | 1997-01-15 | Union Special Corp | Sewing machine for producing a three-needle stitch |
| JPH0884873A (en) * | 1994-09-20 | 1996-04-02 | Juki Corp | Flat stitch sewing machine |
| CN1128818A (en) * | 1994-09-22 | 1996-08-14 | 重机公司 | Upper feed mechanism for sewing machine and sewing machine having same |
| CN201125316Y (en) * | 2007-11-08 | 2008-10-01 | 靖纺股份有限公司 | Adjusting and positioning device for thread hooking mechanism of sewing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI898346B (en) * | 2023-03-01 | 2025-09-21 | 日商鈴木製作所股份有限公司 | Sewing machine |
| US12522963B2 (en) | 2023-03-01 | 2026-01-13 | Suzuki Manufacturing, Ltd. | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011212286A (en) | 2011-10-27 |
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Application publication date: 20111005 |