CN103255590B - Wire feeding device of sewing machine - Google Patents
Wire feeding device of sewing machine Download PDFInfo
- Publication number
- CN103255590B CN103255590B CN201310050915.9A CN201310050915A CN103255590B CN 103255590 B CN103255590 B CN 103255590B CN 201310050915 A CN201310050915 A CN 201310050915A CN 103255590 B CN103255590 B CN 103255590B
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- wire
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- guiding elements
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Abstract
The invention provides a wire feeding device of a sewing machine, which can simplify tedious operations of wearing sewing wires again during switching a hard stitch with a soft stitch. The wire feeding device (20) of the sewing machine (21) has a wire stirring and picking part (31), a first wire guide part (29), a second wire guide part (30) and a movable wire guide member (32). The wire stirring and picking part (31) having a wire feeding hole (34) at a swing front end side is arranged in a way that the wire stirring and picking part (31) can vertically swing surrounding a swing shaft (31a) which supports a swing base end side. The movable wire guide member (32) is formed independent of the wire stirring and picking part (31) and is arranged between the wire feeding hole (34) and the second wire guide part (30) to adjust positions vertically and horizontally.
Description
Technical field
The present invention relates to be used for the line sending that the sewing machine of suture is chosen in promotion to sewing needle（Japanese：Shito Kuri り）Device.
Background technology
In the past, as the wire-sending device of this sewing machine, for example, there is the line sending of the sewing machine 8 for constituting as shown in Figure 11
Device 9（For example, referring to patent documentation 1）, which includes：Can moving-wire guiding piece 1；Take-up part 6 is swung, which is located at sewing machine arm
2 front-surface side, with the 1st wire feeding hole 3 and the 2nd wire feeding hole 4 that can pass through for suture, and centered on a side with shank 5
Move up and down synchronously reciprocally swinging and control line the amount of choosing；Shank take-up part 7, which is fixed on the upper end of shank 5,
With wire feeding hole 7a that can be passed through for suture, and control the amount of choosing of suture.Wherein, the wire-sending device 9 of the sewing machine 8 can be selected
Routing footpath R1 and path R2, path R1 from can moving-wire guiding piece 1 by swinging the 1st wire feeding hole 3 of take-up part 6, then through pin
Bar take-up part 7 reaches pin 10, and path R2 is shorter than path R1, from can moving-wire guiding piece 1 give by the swing take-up part 6 the 2nd
String holes 4 reaches pin 10.
Consequently, it is possible to for from line tension disk 11 to the suture path of pin 10, the thread path R1 that length can be selected different,
R2, thus, for example situations such as wanting to be formed the situation of not lax harder stitching, wanting to guarantee the flexible situation of suture
Under, relatively long path R1 is selected, on the other hand, in the case where wanting to form slightly lax softer stitching,
Select relatively short path R2.
Patent documentation 1：Japanese Unexamined Patent Publication 2003-979 publications
But, in the wire-sending device 9 of sewing machine as described above, when harder stitching and softer stitching is switched,
Needs reselect be integrally provided on the 1st wire feeding hole 3 or the 2nd wire feeding hole 4 that swing take-up part 6 and by suture again from the two it
The operation passed through in one, accordingly, there exist extremely troublesome problem.
Additionally, in the case where stitching is softer, suture elasticity is poor, the sense of touch of sewed product is bad.If though thus, but
Tension suture and if using the increase line resistance to sliding of line tension disk 11, can there is a problem of again easily causing suture to break.
The content of the invention
The present invention is completed to solve the above problems, and be its object is to, there is provided a kind of to switch harder stitching
Simplification can be sought during softer stitching to wear again the wire-sending device of the sewing machine of the loaded down with trivial details operation of suture.Additionally, the present invention
Another object is, there is provided one kind can not occur suture broken string, the seam for making suture elasticity good in the case where stitching is softer
Thread the wire-sending device of machine.
The wire-sending device of the sewing machine of the present invention has in the front-surface side of sewing machine arm：1st line guide portion, from line
The suture of tension disk passes through the 1st line guide portion；2nd line guide portion, the suture from the 1st line guide portion pass through the 2nd line
Guide portion；Can moving-wire guiding elements, the suture from the 2nd line guide portion can moving-wire guiding elements through this；Swing take-up portion
Part, its swing front have for from this can moving-wire guiding elements the wire feeding hole that passes through of suture, and with around supporting its pendulum
The mode that the swinging axle of dynamic base end side swings up and down is arranged, it is characterised in that it is above-mentioned can moving-wire guiding elements independently of above-mentioned pendulum
Dynamic take-up part ground is constituted, and is configured between above-mentioned wire feeding hole and above-mentioned 2nd line guide portion bottom left in adjustment
Right position.
Thus, when harder stitching and softer stitching is switched, can be by between wire feeding hole and the 2nd line guide portion
Adjustment can moving-wire guiding elements position up and down switching harder stitching and softer stitching, therefore, with conventional weight
The loaded down with trivial details operation for newly wearing suture is compared, and simply can be operated.
Used as a preferred scheme, the wire-sending device of the sewing machine of the present invention can adopt following structure：Above-mentioned 2nd line
Guide portion so that through above-mentioned 2nd line guide portion suture it is above-mentioned can be moving-wire guiding elements and above-mentioned 1st line guide portion
The mode for bending to the chevron shape for projecting upwards is arranged.Thus, in the case where stitching is softer, will not be as being increased with line tension disk
The situation of line resistance to sliding causes suture to break like that, tension suture that can be good.
Additionally, the wire-sending device of the sewing machine of the present invention can adopt following structure：The wire-sending device tool of above-mentioned sewing machine
Have with it is above-mentioned can moving-wire guiding elements upper-lower position adjusting apparatus, the adjusting apparatus of the upper-lower position have cover shape bracket
And mounting bracket, cover shape bracket is fixed in the front-surface side of above-mentioned sewing machine arm（Japanese：Mono- Block ラ ケ Star ト of カ バ）, at this
The bullport of above-below direction length is set on cover shape bracket, and be utilized through the screw of above-mentioned bullport will be provided with it is above-mentioned movable
The mounting bracket of line guiding elements is fixed on the cover shape bracket, is slided along above-mentioned bullport by making the screw, can be adjusted
State can moving-wire guiding elements upper-lower position.Thereby, it is possible to very steadily and reliably adjustment can moving-wire guiding elements upper bottom
Put.
Additionally, the wire-sending device of the sewing machine of the present invention can adopt following structure：The wire-sending device tool of above-mentioned sewing machine
Have it is above-mentioned can moving-wire guiding elements right position adjusting apparatus, the adjusting apparatus of the right position have cover shape bracket and peace
Dress bracket, be utilized through the bullport of left and right directions length located at above-mentioned mounting bracket screw fix it is above-mentioned can moving-wire guiding structure
Part, is slided along above-mentioned bullport by making the screw, can adjust it is above-mentioned can moving-wire guiding elements left and right directions position.By
This, steadily and reliably can adjust very much can moving-wire guiding elements right position.
In accordance with the invention it is possible to can moving-wire by the adjustment between the wire feeding hole and the 2nd line guide portion that swing take-up part
Simple mechanism as the position up and down of guiding elements, switches harder stitching and softer stitching, therefore, with can
Simplification is sought to wear again the advantage of the loaded down with trivial details operation of suture.
Description of the drawings
Fig. 1 is the axonometric chart of the double-thread overlock sewing machine of the wire-sending device for applying the present invention.
Fig. 2 is the front view of above-mentioned double-thread overlock sewing machine.
Fig. 3 is the top view of above-mentioned double-thread overlock sewing machine.
Fig. 4 is the amplification stereogram of the wire-sending device of above-mentioned double-thread overlock sewing machine.
Fig. 5 is the enlarged front view of the wire-sending device of above-mentioned double-thread overlock sewing machine.
Fig. 6 is the amplification plan view of the wire-sending device of above-mentioned double-thread overlock sewing machine.
Fig. 7 is three-dimensional to have pulled down the amplification of the wire-sending device of the above-mentioned double-thread overlock sewing machine of state representation of cover shape bracket
Figure.
Fig. 8 is the amplification main view to have pulled down the wire-sending device of the above-mentioned double-thread overlock sewing machine of state representation of cover shape bracket
Figure.
Fig. 9 is to have pulled down the amplification of the wire-sending device of the above-mentioned double-thread overlock sewing machine of state representation of cover shape bracket vertical view
Figure.
Figure 10 is the general principal view of the wire-sending device of above-mentioned double-thread overlock sewing machine.
Figure 11 is the general principal view of the wire-sending device of the double-thread overlock sewing machine of past case.
Specific embodiment
Below, the preferred implementation example based on the wire-sending device for illustrating sewing machine of the invention.
Fig. 1 ~ Fig. 3 shows
The sewing machine 21 of machine.In Fig. 1 ~ Fig. 3, sewing machine 21 has base portion 21a, the vertical main part for arranging is erect from base portion 21a
The 21b and sewing machine arm 21c extended parallel to base portion 21a from vertical main part 21b.
Sewing machine 21 includes：Three line tension disks 24, they are used for respectively to three from the bottom for being fixed on shank 22
The suture that passes through in each pin 23 in root pin 23 applies the tension force of regulation, shank 22 by machine spindle (not shown) up and down reciprocatingly
Drive；Line tension disk 26, which is used for from upper decoration line separator（Japanese：ス プ レ Star タ mono-）The upper decorative thread passed through in 25
Apply the tension force of regulation；Line tension disk 27, which is used for the tension force that the looper thread to passing through from looper (not shown) applies regulation.
Upper decoration line separator 25 is configured to interlock with above-mentioned machine spindle in the face side of cloth, additionally, above-mentioned looper is by structure
Become and interlock with above-mentioned machine spindle in base portion 21a, sewing machine 21 makes decorative thread be wound in by three pins 23
Cooperate the stitching to be formed with looper (not shown), forms double-locked stitch fancy seam.
Wire-sending device 20 includes：Fueller 28, its line tension disk in the front-surface side for being arranged at vertical main part 21b
24th, 26,27 left side, and it is configured at the front-surface side of sewing machine arm 21c；1st line guide portion 29, which is configured at line tension disk
24th, between 26,27 and fueller 28；2nd line guide portion 30, which is configured at the left side of fueller 28；Swing take-up part
31, which is configured at the left side of the 2nd line guide portion 30；Can moving-wire guiding elements 32, which is constituted independently of 31 ground of take-up part is swung,
It is configured at the front side for swinging take-up part 31.The wire-sending device 20 pulls three suture T for being repeated in sewing（Fig. 1
In illustrate only one）Take-up action, and the three suture T of relaxing send action.1st line guide portion 29 has three string holes
33, three suture T from three line tension disks 24 are passed through from these string holes 33 respectively.Fueller 28 is by oil feeding reservoirs 28a
Constitute, the inside of oil feeding reservoirs 28a has contained the felt of the silicone oil as lubricant filled with leaching, by making suture T from the oil feeding reservoirs
Pass through in 28a, and make suture T be coated with silicone oil.
As shown in Figure 7, Figure 8, swing take-up part 31 to be made up of swinging base 31b and swing arm 31c, by with shank 22
Synchronously regulation top dead-centre and bottom dead centre between swing and the amount of choosing of control line, swinging base 31b can with it is above-mentioned
Machine spindle link swinging axle 31a centered on swing up and down, swing arm 31c is fixed on swinging base 31b, be set as left and right compared with
Long size.In the left part of swing arm 31c（Leading section）It is formed with 3 wire feeding holes 34.
As shown in Figure 7, Figure 8, sewing machine arm 21c front-surface side the left part than swing arm 31c（Leading section）
The side that keeps left part, equipped with the 3rd line guide portion 35, the 4th line guide portion 36.The 3rd line guide portion 35 and wire feeding hole 34 it
Between be provided with thread gripping-board（Japanese：Yarn receives け）37.
As shown in Fig. 7 ~ Fig. 9, can moving-wire guiding elements 32 be made up of supporting mass 32a and three lines guiding bar 32b, three lines
Guiding bar 32b is screwed in the way of insertion supporting mass 32a, and is formed with string holes 38 in upper end.Each line guides bar 32b energy
It is enough that desired position is slidable in the vertical direction and be fixed on relative to supporting mass 32a, thereby, it is possible to adjust take-up amount and line sending
Amount.
Additionally, can moving-wire guiding elements 32 so that the wire feeding hole 34 and the 2nd line guide portion 30 of take-up part 31 can be being swung
Between adjust the mode of position up and down and arrange.Thus, it is also possible to adjust take-up amount and unwrapping wire amount.
As can moving-wire guiding elements 32 left and right upper-lower position concrete adjusting apparatus, as shown in Fig. 4 ~ Fig. 6, sewing
The front-surface side screw 41 of horn portion 21c is fixed with cover shape bracket 40, and cover shape bracket 40 has the shape of above-below direction length
Bullport 39.And, with the screw 44 passed through in the bullport 39 from cover shape bracket 40 by the shape with left and right directions length
The mounting bracket 43 of bullport 42 is fixed on the cover shape bracket 40, also, is slided along bullport 39 by making the screw 44, can
The position of the above-below direction of mounting bracket 43 is steadily and reliably adjusted very.Can using the screw 45 passed through from bullport 42
Moving-wire guiding elements 32 is fixed on mounting bracket 43, and is slided along bullport 42 by making the screw 45, can it is very stable and
Reliably adjustment can moving-wire guiding elements 32 left and right directions position.Can moving-wire guiding elements 32 above-below direction position tune
It is whole, carried out by making screw 44 slide along bullport 39 and adjusting the above-below direction position of mounting bracket 43.
In order in the case where softer stitching is formed, can be unlike increasing line with line tension disk 24 when suture T is tensed
The situation of resistance to sliding causes suture to break like that, and tenses suture T well, and the 2nd line guide portion 30 is so that through the 2nd guiding
The suture T in portion 30 can bend to the mountain that projects upwards as shown in Figure 10 between moving-wire guiding elements 32 and the 1st line guide portion 29
The mode of shape is arranged.2nd line guide portion 30 is fixed on assigned position in which can be unable to adjustment position, it is also possible to be arranged to
Upper-lower position can be adjusted or right position can be adjusted.
After through the suture T of line tension disk 24 through the 1st guide portion 29, fueller 28, the 2nd line guide portion is penetrated
30.Then, penetrate can moving-wire guiding elements 32 line guiding bar 32b, then penetrate the wire feeding hole 34 for swinging take-up part 31 again.
Then, sequentially pass through thread gripping-board 37, the 3rd line guide portion 35, the 4th line guide portion 36 and wear to pin 23.In addition, as shown in figure 4,
On cover shape bracket 40, the finger of the suture T for penetrating thread gripping-board 37 for protection from the wire feeding hole 34 for swinging take-up part 31 is installed
Shape guard member（Japanese：Mono- ガ of Off イ Application ガ, mono- De）46.
Set from can 32 Jing of moving-wire guiding elements swing the road that take-up part 31 reaches the suture path of the 3rd line guide portion 35
Electrical path length is L, and path when shank is located at top dead-centre is L1, and path when shank is located at bottom dead centre is L2, shank
Positioned at top dead-centre when and path length difference during positioned at bottom dead centre be Δ L=L1-L2, the situation of the path increment up and down of shank 22 for H
Under, can adjust can moving-wire guiding elements 32 left and right upper-lower position, and make 0<ΔL<H.
In addition, in Fig. 10, the suture path when suture T shown in solid line a represents that shank is located at top dead-centre, dotted line b institutes
The suture T for showing represent shank be located at bottom dead centre when suture path.
In the wire-sending device 20 with said structure, wanting to form the feelings of the harder stitching not relaxed substantially
Condition, want to prevent broken string etc. in the case of, by towards left and move downward adjustment can moving-wire mobile member 32, make shank position
When top dead-centre and positioned at bottom dead centre when path length difference Δ L it is larger.
Additionally, in the case where wanting to be formed with to a certain degree lax softer stitching, by turn towards right
And move upward adjustment can moving-wire guiding elements 32, make shank be located at top dead-centre when and positioned at bottom dead centre when path length difference
Δ L is less.
The wire-sending device 20 of sewing machine 21 from the description above, can moving-wire guiding elements 32 independently of swing take-up part
31 ground are constituted, and can adjust position up and down between the wire feeding hole 34 and the 2nd line guide portion 30 that swing take-up part 31
Put.Therefore, only by wanting the situation of the harder stitching to form not lax, wishing to ensure that the feelings such as the flexible situation of line
Under condition, move towards left and downward adjustment can moving-wire mobile member 32, wanting to be formed slightly lax softer stitching
In the case of, adjustment is moved towards right and upward can simple operationss as moving-wire guiding elements 32, you can easily carry out compared with
The switching of hard stitching and softer stitching.
Description of reference numerals
T sutures
20 wire-sending devices
21 sewing machines
21c sewing machine arms
24th, 26,27 line tension disk
29 the 1st line guide portions
30 the 2nd line guide portions
31 swing take-up part
31a swinging axles
32 can moving-wire guiding elements
34 wire feeding holes
39th, 42 bullport
40 cover shape brackets
41st, 44,45 screw
43 mounting brackets
Claims (3)
1. a kind of wire-sending device of sewing machine, which has in the front-surface side of sewing machine arm：1st line guide portion, from wire clamp
The suture of line device passes through the 1st line guide portion；2nd line guide portion, the suture from the 1st line guide portion are drawn through the 2nd line
Lead portion；Can moving-wire guiding elements, the suture from the 2nd line guide portion can moving-wire guiding elements through this；Take-up part is swung,
Its swing front have for from this can moving-wire guiding elements the wire feeding hole that passes through of suture, and to swing base around supporting which
The mode that the swinging axle of side swings up and down is arranged, it is characterised in that
It is above-mentioned can moving-wire guiding elements constitute independently of above-mentioned swing take-up part, and be configured in above-mentioned line sending
Position up and down is adjusted between hole and above-mentioned 2nd line guide portion,
Above-mentioned 2nd line guide portion so that through above-mentioned 2nd line guide portion suture it is above-mentioned can moving-wire guiding elements and the above-mentioned 1st
The mode that the chevron shape for projecting upwards is bent between line guide portion is arranged.
2. the wire-sending device of sewing machine according to claim 1, it is characterised in that
The wire-sending device of above-mentioned sewing machine have it is above-mentioned can moving-wire guiding elements upper-lower position adjusting apparatus, the upper-lower position
Adjusting apparatus there is cover shape bracket and mounting bracket, be fixed with cover shape bracket in the front-surface side of above-mentioned sewing machine arm,
The cover shape bracket is provided with the bullport of above-below direction length, and be utilized through the screw of above-mentioned bullport will be provided with it is above-mentioned can
The mounting bracket of moving-wire guiding elements is fixed on the cover shape bracket, is slided along above-mentioned bullport by making the screw, can be adjusted
It is above-mentioned can moving-wire guiding elements upper-lower position.
3. the wire-sending device of sewing machine according to claim 2, it is characterised in that
The wire-sending device of above-mentioned sewing machine have it is above-mentioned can moving-wire guiding elements right position adjusting apparatus, the right position
Adjusting apparatus there is cover shape bracket and mounting bracket, be utilized through the bullport of the left and right directions length located at above-mentioned mounting bracket
Screw be fixed with it is above-mentioned can moving-wire guiding elements, by make the screw along above-mentioned left and right directions length bullport slide, can
Adjustment it is above-mentioned can moving-wire guiding elements left and right directions position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012032028A JP5953062B2 (en) | 2012-02-16 | 2012-02-16 | Sewing machine |
| JP2012-032028 | 2012-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103255590A CN103255590A (en) | 2013-08-21 |
| CN103255590B true CN103255590B (en) | 2017-04-12 |
Family
ID=48936817
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320073325 Expired - Lifetime CN203128822U (en) | 2012-02-16 | 2013-02-16 | Thread conveying device of sewing machine |
| CN201310050915.9A Active CN103255590B (en) | 2012-02-16 | 2013-02-16 | Wire feeding device of sewing machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320073325 Expired - Lifetime CN203128822U (en) | 2012-02-16 | 2013-02-16 | Thread conveying device of sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5953062B2 (en) |
| CN (2) | CN203128822U (en) |
| TW (2) | TW201344003A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5953062B2 (en) * | 2012-02-16 | 2016-07-13 | ペガサスミシン製造株式会社 | Sewing machine |
| TWI635034B (en) * | 2017-06-20 | 2018-09-11 | 致茂電子股份有限公司 | Tightening device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168431A (en) * | 1996-04-11 | 1997-12-24 | 大和缝纫机制造株式会社 | Machine with yarn manipulating apparatus attached to same |
| CN1393586A (en) * | 2001-06-25 | 2003-01-29 | 重机公司 | Upper thread device for sewing machine |
| CN1456730A (en) * | 2002-05-10 | 2003-11-19 | 大和缝纫机制造株式会社 | Thread tension device of sewing machine |
| CN1690285A (en) * | 2002-05-01 | 2005-11-02 | 大和缝纫机制造株式会社 | Needle thread feeding device of sewing machine |
| CN203128822U (en) * | 2012-02-16 | 2013-08-14 | 飞马缝纫机制造株式会社 | Thread conveying device of sewing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3593606B2 (en) * | 1998-01-19 | 2004-11-24 | ヤマトミシン製造株式会社 | Sewing machine with thread reeling device |
| JP2002273085A (en) * | 2001-03-19 | 2002-09-24 | Yamato Sewing Mach Co Ltd | Needle thread supplier of sewing machine |
| JP2003093774A (en) * | 2002-08-05 | 2003-04-02 | Yamato Sewing Mach Co Ltd | Sewing machine with thread feeder |
-
2012
- 2012-02-16 JP JP2012032028A patent/JP5953062B2/en active Active
-
2013
- 2013-01-30 TW TW102103491A patent/TW201344003A/en unknown
- 2013-01-30 TW TW105203149U patent/TWM526583U/en not_active IP Right Cessation
- 2013-02-16 CN CN 201320073325 patent/CN203128822U/en not_active Expired - Lifetime
- 2013-02-16 CN CN201310050915.9A patent/CN103255590B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168431A (en) * | 1996-04-11 | 1997-12-24 | 大和缝纫机制造株式会社 | Machine with yarn manipulating apparatus attached to same |
| CN1393586A (en) * | 2001-06-25 | 2003-01-29 | 重机公司 | Upper thread device for sewing machine |
| CN1690285A (en) * | 2002-05-01 | 2005-11-02 | 大和缝纫机制造株式会社 | Needle thread feeding device of sewing machine |
| CN1456730A (en) * | 2002-05-10 | 2003-11-19 | 大和缝纫机制造株式会社 | Thread tension device of sewing machine |
| CN203128822U (en) * | 2012-02-16 | 2013-08-14 | 飞马缝纫机制造株式会社 | Thread conveying device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM526583U (en) | 2016-08-01 |
| JP2013165896A (en) | 2013-08-29 |
| CN103255590A (en) | 2013-08-21 |
| JP5953062B2 (en) | 2016-07-13 |
| CN203128822U (en) | 2013-08-14 |
| TW201344003A (en) | 2013-11-01 |
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Address after: Osaka City, Osaka of Japan Patentee after: Pegasus Corp. Address before: Osaka, Japan Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd. |