CN104178942A - Thread passage mechanism for needle-replaceable sewing machine - Google Patents
Thread passage mechanism for needle-replaceable sewing machine Download PDFInfo
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- CN104178942A CN104178942A CN201310190626.9A CN201310190626A CN104178942A CN 104178942 A CN104178942 A CN 104178942A CN 201310190626 A CN201310190626 A CN 201310190626A CN 104178942 A CN104178942 A CN 104178942A
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Abstract
The invention relates to a thread passage mechanism for a needle-replaceable sewing machine. The thread passage mechanism is applied to a sewing machine with a needle rod switching mechanism and comprises a thread picking rod, an annular needle rod box and a plurality of sewing threads, wherein the thread picking rod is provided with a swinging end and a wire picking end provided with a plurality of thread holes, the annular needle rod box is provided with a rotating axis and a plurality of needle rod holes distributed at intervals, a penetrated space is formed inside the annular needle rod box, the distance between each needle rod hole and the rotating axis is identical, a needle rod with a machine needle is respectively accommodated in each needle rod hole, each machine needle is respectively provided with a needle hole, the sewing threads respectively and sequentially pass through a thread passage path simultaneously formed by the thread holes of the thread picking rod, the penetrated space of the annular needle rod box and the needle holes of the machine needles, so that the length of the sewing threads passing through the thread passage mechanism cannot be changed due to the needle rod position change.
Description
Technical field
The present invention is about a kind of drawing lines mechanism that is positioned at Sewing machines headstock part and stablizes suture position, particularly for a kind of Sewing machines with plural needle bar carrying out needle bar while switching, the drawing lines mechanism that is used for stablizing a plurality of sutures length in drawing lines.
Background technology
Press, general Sewing machines must configure relative lower horn and the needle plate of horn and below, drive thread take-up mechanism and crankshaft arrangement in upper horn inside with spindle synchronous, to drive the needle bar mechanism of headstock part, and lower horn is provided with in cloth feeding mechanism and needle plate below and is provided with hook line apparatus, drive and be sewn on reciprocal puncture cloth under line by the suture needle of needle bar mechanism, and coordinate thread take-up mechanism and the correct operation sequential that hooks line apparatus to carry out folding and unfolding suture, to carry out sewing operation.
Wherein, thread take-up mechanism is generally all positioned at needle bar mechanism top to guarantee the tension force of suture, and reduce the resistance of suture through thread take-up mechanism, and at present on the market except a kind of spininess bar type embroidery machine, fresh have the sewing facility that can directly carry out needle bar switching less, but because the shortcoming that general spininess bar type embroidery machine still has the feeding table top movement travel of bulky and drive unit to lengthen, therefore, be necessary that in fact innovative design goes out a kind of in the situation that of sewing datum mark and bottom platform invariant position, can need directly to switch the Sewing machines that different needle bars are sewed according to sewing.
But, once having been designed to ring-type needle bar casket, sewing locomotive head position switches plural needle bar, and thread take-up mechanism also must be processed most bar sutures simultaneously, if so suture not being worn to path is controlled, after needle bar switches, can cannot stablize the length of plural suture in drawing lines, make the tension change of plural suture, and then affect sewing operation.
Summary of the invention
Main purpose of the present invention, aim to provide a kind of drawing lines mechanism that carries out a plurality of sutures and stablize line taking for convertible needle bar held sewing machine, make the length of plural suture after the line hole of thread take-up tension lever and the pin hole of eedle, can not switch after needle bar and change to some extent because of Sewing machines.
Secondary objective of the present invention is further have a clamp design between the pin hole of line hole, eedle of thread take-up tension lever, and while allowing Sewing machines make, the suture that can discharge in use clamps untapped suture simultaneously, avoids plural suture to depart from from eedle pin hole.
Another object of the present invention is to thread take-up tension lever and coordinate after wire-threading device use, can allow the position of thread take-up tension lever no longer be limited to directly over needle bar, facilitate whole sewing machine table configuration design.
For reaching described object, the drawing lines mechanism of needle changeable Sewing machines of the present invention mainly comprises a thread take-up tension lever, a ring-type needle bar casket and a plurality of sutures, above-mentioned thread take-up tension lever has a swinging end and a take-up end, above-mentioned swinging end is in order to drive the upper and lower displacement of above-mentioned take-up end, and above-mentioned take-up end has a plurality of lines hole; Above-mentioned ring-type needle bar casket has an axis of rotation and the needle bar hole of establishing is arranged at a plurality of interval, and in inside formation one perforative space from top to bottom, distance between above-mentioned each needle bar hole and above-mentioned axis of rotation is all identical, and in each needle bar hole, be installed with respectively a needle bar with eedle, and each eedle has a pin hole; And above-mentioned suture is sequentially through the drawing lines path being jointly made up of line hole, the perforative space of above-mentioned ring-type needle bar casket and the pin hole of above-mentioned eedle of above-mentioned thread take-up tension lever.
In a preferred embodiment, the present invention is provided with a positioning disk in above-mentioned ring-type needle bar casket bottom, above-mentioned positioning disk has a plurality of through wires holes around above-mentioned axis of rotation, penetrate, and above-mentioned positioning disk bottom is further provided with a wire-clamping device for above-mentioned a plurality of sutures.
Above-mentioned wire-clamping device is provided with a clamp piece that is covered in a plurality of through wires holes of above-mentioned positioning disk one end, above-mentioned clamp piece has a clamp face that can cover above-mentioned a plurality of through wires holes, and offer a breach on above-mentioned clamp face, with one of them of the above-mentioned a plurality of through wires holes of correspondence.
In a possible embodiments, above-mentioned wire-clamping device is further provided with an axle part, a spring coordinates above-mentioned clamp piece formation one to clamp suture means with a nut jointly.In addition also can design a driving shaft part coordinates above-mentioned clamp piece to form release suture means.
Moreover, in another embodiment, the present invention also can directly be provided with a thread clamping mechanism between above-mentioned thread take-up tension lever and ring-type needle bar casket, wherein above-mentioned thread clamping mechanism is provided with a pressing line disk, above-mentioned pressing line disk has the press fixing piece of a plurality of serial connections, and above-mentioned a plurality of press fixing piece side is provided with the driver element of a loose ends unit and a passing above-mentioned loose ends unit, above-mentioned loose ends unit is provided with a fulcrum, and on above-mentioned fulcrum, be pivoted with the thread tension releasing disc of a plurality of and above-mentioned press fixing piece correspondence position, and above-mentioned driver element optionally pushes against one of them incision of above-mentioned a plurality of thread tension releasing discs to wherein between two of a plurality of press fixing pieces, to discharge selected suture.
In a possible embodiments, above-mentioned driver element comprises a gear and a moving member, and said gear is assembled in above-mentioned axis of rotation, and above-mentioned moving member one end is engaged in said gear, and the other end is provided with a flange.In another possible embodiments, above-mentioned driver element comprises a plurality of pneumatic cylinders and supports respectively a thread tension releasing disc, separately has a plurality of back-moving springs that are sheathed on above-mentioned fulcrum, and above-mentioned back-moving spring can be guaranteed the pneumatic cylinder playback of above-mentioned not start.
But two use that possible embodiments only illustrates for convenience of aforementioned driver element, be not in a limitative way the structure of driver element, that is other different structures but can optionally allow equally pressing line disk discharge the design of independent suture, all should belong to the technology contents of simple change of the present invention.
In addition, above-mentioned ring-type needle bar casket top can further coordinate and is equiped with a positioning disk, and above-mentioned positioning disk has one or a plurality of through wires hole around above-mentioned axis of rotation, penetrates for above-mentioned a plurality of sutures.
In aforementioned two preferred embodiments, in a plurality of sutures of the present invention, on the path between the line hole of above-mentioned thread take-up tension lever and the perforative space of above-mentioned ring-type needle bar casket, can further be provided with one or a plurality of wire-threading device, in order to maintain above-mentioned thread tension, and can allow suture path changing.
The invention has the advantages that after drawing lines path that plural suture is made up of jointly line hole, perforative space and the pin hole three of thread take-up tension lever is passed and roughly present an equidistant sample state, change to some extent after making suture length can not switch needle bar because of Sewing machines.In addition, between the line hole of thread take-up tension lever and the pin hole of eedle, can further there is a clamp design, while allowing Sewing machines switch to sew after needle bar, clamp the suture in not using, to avoid occurring the situation that plural suture departs from from eedle pin hole.In addition, the present invention can allow the position of thread take-up tension lever no longer be limited to directly over needle bar after coordinating wire-threading device to use on the suture position between thread take-up tension lever and ring-type needle bar folder, facilitates whole sewing machine table configuration design.
Brief description of the drawings
Fig. 1 is the schematic perspective view that drawing lines of the present invention mechanism is positioned at Sewing machines headstock;
Fig. 2 is the schematic diagram that Fig. 1 Sewing machines is cut ring-type needle bar casket open;
Fig. 3 is the schematic diagram that ring-type needle bar casket of the present invention bottom positioning disk forms independent through wires hole;
Fig. 4 is the sectional schematic diagram that ring-type needle bar casket of the present invention bottom has positioning disk and wire-clamping device;
Fig. 5 is that Fig. 4 suture is by the enlarged drawing of positioning disk, wire-clamping device and needle bar;
Fig. 6 is the exploded view of positioning disk of the present invention and wire-clamping device;
Fig. 7 is that suture of the present invention is passed to the bottom view of eedle pin hole by positioning disk bottom;
Fig. 8 is the changeable schematic diagram in thread take-up tension lever of the present invention position;
Fig. 9 is the thread take-up tension lever of the present invention position schematic diagram of evagination forward;
Figure 10 is the schematic diagram that thread take-up tension lever of the present invention position inside contracts backward;
Figure 11 A is the schematic diagram of ring-type needle bar casket top design positioning disk of the present invention;
Figure 11 B to Figure 11 C is the enlarged diagram of one of Figure 11 A positioning disk design or a plurality of through wires holes;
Figure 12 is the first thread clamping mechanism schematic diagram that the present invention arranges between thread take-up tension lever and ring-type needle bar casket;
Figure 13 A to 13B is the action schematic diagram that the first thread clamping mechanism coordinates needle exchange;
Figure 14 is the second thread clamping mechanism schematic diagram that the present invention arranges between thread take-up tension lever and ring-type needle bar casket;
Figure 15 is the structural representation at Figure 14 second another visual angle of thread clamping mechanism.
[primary clustering symbol description]
10---Sewing machines
11---headstock
12---needle bar switching mechanism
20---ring-type needle bar casket
201---cylindrical wall
202---axis of rotation
203---perforative space
204---needle bar hole
205---needle bar
206---eedle
207---pin hole
21---thread take-up tension lever
211---swinging end
212---take-up end
213---line hole
22---suture
23---positioning disk
231---through wires hole
232---perforate
24---wire-clamping device
241---clamp piece
241a---clamp face
241b---connecting portion
241c---breach
242---axle part
243---spring
244---nut
245---drives rod member
25---wire-threading device
26---thread clamping mechanism
261---pressing line disk
261a---press fixing piece
262---loose ends unit
262a---fulcrum
262b---thread tension releasing disc
263---driver element
263a---gear
263b---moving member
263c---flange
263d---pneumatic cylinder
263e---back-moving spring.
Detailed description of the invention
For ease of further structure of the present invention, use and feature thereof being had to the clearly full and accurate understanding of darker one deck and understanding, now enumerate preferred embodiment, coordinate accompanying drawing to be described in detail as follows:
Refer to shown in Fig. 1, the drawing lines mechanism of needle changeable Sewing machines of the present invention coordinates to be arranged on the needle bar switching mechanism 12 at Sewing machines 10 headstock 11 positions, wherein, the present invention forms by a ring-type needle bar casket 20 and a thread take-up tension lever 21 the drawing lines path that a plurality of sutures 22 wear jointly.
Refer to shown in Fig. 2, ring-type needle bar casket 20 of the present invention has the cylindrical wall 201 of a ring-type, above-mentioned cylindrical wall 201 central authorities have an axis of rotation 202, and inner formation one perforative space 203 from top to bottom, and above-mentioned ring-type needle bar casket 20 neighboring edge places are provided with a plurality of spaced needle bars hole 204, distance between each needle bar hole 204 and above-mentioned axis of rotation 202 is all identical, and each needle bar hole 204 is interior is installed with respectively a needle bar 205 with eedle 206, and each eedle 206 has a pin hole 207.Wherein, above-mentioned ring-type needle bar casket 20 can be subject to above-mentioned needle bar switching mechanism 12 driven rotary, uses selected above-mentioned ring-type needle bar casket 20 one of them needle bar 205 and is switched to sewing position.
21 of thread take-up tension levers of the present invention are hubbed at headstock 11 front ends of above-mentioned Sewing machines 10, and be positioned at the area just above of above-mentioned ring-type needle bar casket 20 cylindrical walls 201, there is a swinging end 211 and another take-up end 212, above-mentioned swinging end 211 can pivotable drive above-mentioned take-up end 212 to carry out upper and lower displacement, and has the plural line hole 213 penetrating for above-mentioned suture 22.
In addition, a plurality of sutures 22 of the present invention, sequentially through the drawing lines path being jointly made up of line hole 213, the perforative space 203 of above-mentioned ring-type needle bar casket 20 and the pin hole 207 of above-mentioned eedle 206 of above-mentioned thread take-up tension lever 21, so can make the length of plural suture 22 can not switch the rear change to some extent of needle bar 205 because of Sewing machines 10.
In diagram one possible embodiments, drawing lines of the present invention mechanism can further be provided with a positioning disk 23 in above-mentioned ring-type needle bar casket 20 bottoms, above-mentioned positioning disk 23 is synchronizeed rotation with ring-type needle bar casket 20, and be provided with a plurality of through wires holes 231 around above-mentioned axis of rotation 202 in central authorities, penetrate for above-mentioned a plurality of sutures 22, with stability line path, be separately provided with plurality of openings 232 in above-mentioned needle bar hole 204 correspondence positions.
But, the use that aforementioned positioning disk structure only conveniently illustrates, shown in please refer to the drawing 3, that is above-mentioned positioning disk 23 except can be designed as a plurality of, certainly also can be designed to single through wires hole 231 and penetrate for sutures 22.
Shown in please refer to the drawing 4, in addition, a wire-clamping device 24 can further be installed in above-mentioned positioning disk 23 bottoms, in order to the suture by above-mentioned positioning disk 23 22 is optionally discharged in the time switching needle bar 205, or clamps in the time starting to sew.
Refer to shown in Fig. 5, above-mentioned wire-clamping device 24 is provided with a clamp piece 241 of clamping suture 22, above-mentioned clamp piece 241 also can coordinate an axle part 242 to be resisted against by above-mentioned spring 243 one end the nut 244 that is fixed on above-mentioned axle part 242 in conjunction with a spring 243 and a nut 244, the other end is resisted against above-mentioned clamp piece 241, make above-mentioned clamp piece 241 close contacts in above-mentioned positioning disk 23 end faces, form one and clamp suture means; And above-mentioned clamp piece 241 separately can coordinate a driving rod member 245 in order to drive above-mentioned clamp piece 241 to resist the elastic force of above-mentioned spring 243, and order about above-mentioned clamp piece 241 move down separate above-mentioned positioning disk 23 end faces, form one and discharge suture means, so can in the time switching needle bar 205, discharge suture 22.
Refer to shown in Fig. 6, above-mentioned clamp piece 241 has the clamp face 241a of the above-mentioned a plurality of through wires holes 231 of a covering, and extend to form the connecting portion 241b that the above-mentioned driving rod member 245 of a cooperation is assembled in above-mentioned clamp face 241a bottom side, to prevent that above-mentioned clamp piece 241 from rotating, and offer a breach 241c on above-mentioned clamp face 241a, be used for one of them of corresponding above-mentioned a plurality of through wires holes 231, suture 22 in using can freely be passed through, cooperation clamp face 241a is clamped suture 22 by all the other not corresponding through wires holes 231, while starting to sew after needle bar 205 to avoid switching, plural number suture 22 departs from from pin hole 207.
Refer to shown in Fig. 7, the present invention is arranged in the line hole 213 of above-mentioned thread take-up tension lever 21 in a plurality of sutures 22, behind the drawing lines path that pin hole 207 threes of the perforative space 203 of above-mentioned ring-type needle bar casket 20 and above-mentioned eedle 206 construct out jointly, each suture 22 sections between above-mentioned through wires hole 231 and pin hole 207 present a radial arrangement from top to bottom, allow each suture 22 in the line hole 213 through drawing lines mechanism, after through wires hole 231 and pin hole 207, present haply one and be close to equidistant sample state, so carry out still can stablizing plural suture 22 after needle bar 205 switches and be arranged in the length of drawing lines at Sewing machines 10.
Moreover, previous embodiment mentions that thread take-up tension lever 21 is positioned at the area just above of above-mentioned cylindrical wall 201, but, this one illustrates the use only illustrating for convenience, refer to shown in Fig. 8, that is above-mentioned thread take-up tension lever 21 also can change the relative position being connected with headstock 11, allow above-mentioned thread take-up tension lever 21 be positioned at the outside extended position of above-mentioned cylindrical wall 201 upper areas.Shown in Fig. 9 and Figure 10, except aforementioned lateral position changes, the present invention can certainly be assembled in above-mentioned thread take-up tension lever 21 the outer convex position in headstock 11 fronts, or the retracted position at rear.
Owing to changing above-mentioned thread take-up tension lever 21 positions, may will cause the suture 22 in above-mentioned perforative space 203 cannot present a state close to the vertical shape, make above-mentioned cylindrical wall 201 interfere with suture 22 paths, hinder the line taking process of stablizing, therefore, must on the path between the line hole 213 of above-mentioned thread take-up tension lever 21 and above-mentioned ring-type needle bar casket 20, be provided with one or a plurality of wire-threading device 25, in order to maintain above-mentioned suture 22 tension force and to allow suture 22 path changings, guarantee that suture 22 can not touch the cylindrical wall 201 of above-mentioned ring-type needle bar casket 20.
Refer to shown in Figure 11 A, in another preferred embodiment, the present invention is further equiped with the synchronous start of a positioning disk 23 by ring-type needle bar casket 20 tops, above-mentioned positioning disk 23 has a through wires hole 231 and is adjacent to above-mentioned axis of rotation 20(and consults Figure 11 B), or a plurality of through wires holes 231 (are consulted Figure 11 C) around above-mentioned axis of rotation 202, penetrate for above-mentioned a plurality of sutures 22, wear path to limit suture 22.
Refer to shown in Figure 12, between above-mentioned thread take-up tension lever 21 and ring-type needle bar casket 20, can be equipped with a thread clamping mechanism 26, above-mentioned thread clamping mechanism 26 is provided with one group of pressing line disk 261, above-mentioned pressing line disk 261 has the press fixing piece 261a of a plurality of serial connections, between each press fixing piece 261a, wear suture 22, and above-mentioned a plurality of press fixing piece 261a side is provided with the driver element 263 of a loose ends unit 262 and a passing above-mentioned loose ends unit 262, above-mentioned loose ends unit 262 is provided with a fulcrum 262a, and on above-mentioned fulcrum 262a, be pivoted with the thread tension releasing disc 262b that a plurality of and above-mentioned press fixing piece 261a correspondence position is arranged, and above-mentioned driver element 263 optionally pushes against one of them incision of above-mentioned a plurality of thread tension releasing disc 262b to wherein between two of a plurality of press fixing piece 261a.In a graphic possible embodiments, above-mentioned driver element 263 comprises a gear 263a and and has the moving member 263b of tooth bar, said gear 263a is assembled in above-mentioned axis of rotation 202, and above-mentioned moving member 263b one end is engaged in said gear 263a, and the other end is provided with a flange 263c.
Refer to shown in Figure 13 A and Figure 13 B, in the time that Sewing machines 10 wishs are switched needle bar 205, said gear 263a will be subject to axis of rotation 202 and drive, and then change above-mentioned moving member 263b position, cause flange 263c to push against different thread tension releasing disc 262b and cut other two press fixing piece 261a, use the suture 22 of the needle bar 205 of guaranteeing to sew can clamping position between press fixing piece 261a, will can free line sending because of above-mentioned thread tension releasing disc 262b incision and carry out the corresponding suture 22 of needle bar 205 of sewing operation.
Refer to shown in Figure 14 and Figure 15, in graphic another possible embodiments, above-mentioned driver element 263 comprises a plurality of pneumatic cylinder 263d and supports respectively a thread tension releasing disc 262b, above-mentioned a plurality of pneumatic cylinder 263d is by one group of pneumatic circuit control (not shown), with needle bar switching mechanism 12 synchronization actions, to discharge the suture 22 in use; Separately there are a plurality of back-moving spring 263e that are sheathed on above-mentioned fulcrum 262a corresponding to above-mentioned thread tension releasing disc 262b, guarantee the pneumatic cylinder 263d playback of above-mentioned not start.
But two use that possible embodiments only illustrates for convenience of aforementioned driver element 263, be not in a limitative way the structure of driver element 263, that is other different structures but can optionally discharge separately equally the design of suture 22, all should belong to the technology contents of simple change of the present invention.
Above illustrated embodiment is only not in a limitative way with the present invention for convenience of description, not from the present invention's spirit category, is familiar with various Simple transformeds and modification that industry technical staff can do, all must include in the scope of patent protection of the present invention.
Claims (10)
1. a drawing lines mechanism for needle changeable Sewing machines, is characterized in that: comprise:
One thread take-up tension lever, has a swinging end and a take-up end, and above-mentioned swinging end is in order to drive the upper and lower displacement of above-mentioned take-up end, and above-mentioned take-up end has a plurality of lines hole;
One ring-type needle bar casket, there is an axis of rotation and a plurality of interval and arrange the needle bar hole of establishing, and in inside formation one perforative space from top to bottom, distance between above-mentioned each needle bar hole and above-mentioned axis of rotation is all identical, and in each needle bar hole, be installed with respectively a needle bar with eedle, and each eedle has a pin hole; And
A plurality of sutures, sequentially through the drawing lines path being jointly made up of line hole, the perforative space of above-mentioned ring-type needle bar casket and the pin hole of above-mentioned eedle of above-mentioned thread take-up tension lever.
2. the drawing lines mechanism of needle changeable Sewing machines according to claim 1, is characterized in that: described ring-type needle bar casket bottom is provided with a positioning disk, and above-mentioned positioning disk has at least one through wires hole, penetrates for above-mentioned a plurality of sutures.
3. the drawing lines mechanism of needle changeable Sewing machines according to claim 2, is characterized in that: described positioning disk bottom is further provided with a wire-clamping device.
4. the drawing lines mechanism of needle changeable Sewing machines according to claim 3, it is characterized in that: described wire-clamping device is provided with a clamp piece that is covered in a plurality of through wires holes of above-mentioned positioning disk one end, above-mentioned clamp piece has a clamp face that can cover above-mentioned a plurality of through wires holes, and offer a breach on above-mentioned clamp face, with one of them of the above-mentioned a plurality of through wires holes of correspondence.
5. the drawing lines mechanism of needle changeable Sewing machines according to claim 4, is characterized in that: described wire-clamping device is further provided with an axle part, a spring coordinates above-mentioned clamp piece formation one to clamp suture means with a nut jointly.
6. the drawing lines mechanism of needle changeable Sewing machines according to claim 5, is characterized in that: described wire-clamping device is further provided with a driving shaft part and coordinates above-mentioned clamp piece to form release suture means.
7. the drawing lines mechanism of needle changeable Sewing machines according to claim 1, it is characterized in that: described ring-type needle bar casket top is further equiped with the synchronous start of a positioning disk, above-mentioned positioning disk has at least one through wires hole around above-mentioned axis of rotation, penetrates for above-mentioned a plurality of sutures.
8. the drawing lines mechanism of needle changeable Sewing machines according to claim 1, is characterized in that: between described thread take-up tension lever and ring-type needle bar casket, be further provided with a thread clamping mechanism.
9. the drawing lines mechanism of needle changeable Sewing machines according to claim 8, it is characterized in that: described thread clamping mechanism is provided with a pressing line disk, above-mentioned pressing line disk has the press fixing piece of a plurality of serial connections, and above-mentioned a plurality of press fixing piece side is provided with the driver element of a loose ends unit and a passing above-mentioned loose ends unit, above-mentioned loose ends unit is provided with a fulcrum, and on above-mentioned fulcrum, be pivoted with the thread tension releasing disc of a plurality of and above-mentioned press fixing piece Heterogeneous Permutation, and above-mentioned driver element optionally pushes against one of them incision of above-mentioned a plurality of thread tension releasing discs to wherein between two of a plurality of press fixing pieces.
10. the drawing lines mechanism of needle changeable Sewing machines according to claim 1, it is characterized in that: in described a plurality of sutures, on the path between the line hole of above-mentioned thread take-up tension lever and the perforative space of above-mentioned ring-type needle bar casket, be provided with at least one wire-threading device, in order to maintain above-mentioned thread tension and to allow suture path changing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190626.9A CN104178942B (en) | 2013-05-22 | 2013-05-22 | The drawing lines mechanism of needle changeable sewing machine |
| HK14113080.8A HK1199476A1 (en) | 2013-05-22 | 2014-12-30 | Thread routing mechanism for needle-switchable type sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190626.9A CN104178942B (en) | 2013-05-22 | 2013-05-22 | The drawing lines mechanism of needle changeable sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104178942A true CN104178942A (en) | 2014-12-03 |
| CN104178942B CN104178942B (en) | 2016-08-17 |
Family
ID=51960267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310190626.9A Active CN104178942B (en) | 2013-05-22 | 2013-05-22 | The drawing lines mechanism of needle changeable sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104178942B (en) |
| HK (1) | HK1199476A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI769654B (en) * | 2021-01-06 | 2022-07-01 | 啟翔股份有限公司 | Sewing machine with changeable lifting lever |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4448139A (en) * | 1981-10-27 | 1984-05-15 | Usm Corporation | Automatic thread changing sewing machine |
| JPH1176670A (en) * | 1997-09-08 | 1999-03-23 | Brother Ind Ltd | Embroidery sewing machine |
| CN1340648A (en) * | 2000-08-28 | 2002-03-20 | 飞马缝纫机制造株式会社 | Sewing machine for double chain stitch |
| WO2003025273A1 (en) * | 2001-09-20 | 2003-03-27 | Meca Spa | Device to change the color of the thread on quilting/embroidering machines, relative method and relative quilting/embroidering machine |
| CN1407162A (en) * | 2001-08-02 | 2003-04-02 | 飞马缝纫机制造株式会社 | Needle and thread controller for multi-needle dual cap seaming machine |
| US20070074646A1 (en) * | 2005-09-30 | 2007-04-05 | Modra Timothy J | Carpet making machinery |
| CN203247405U (en) * | 2013-05-22 | 2013-10-23 | 启翔股份有限公司 | Thread channel mechanism for needle changeable type sewing machine |
-
2013
- 2013-05-22 CN CN201310190626.9A patent/CN104178942B/en active Active
-
2014
- 2014-12-30 HK HK14113080.8A patent/HK1199476A1/en not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4448139A (en) * | 1981-10-27 | 1984-05-15 | Usm Corporation | Automatic thread changing sewing machine |
| JPH1176670A (en) * | 1997-09-08 | 1999-03-23 | Brother Ind Ltd | Embroidery sewing machine |
| CN1340648A (en) * | 2000-08-28 | 2002-03-20 | 飞马缝纫机制造株式会社 | Sewing machine for double chain stitch |
| CN1407162A (en) * | 2001-08-02 | 2003-04-02 | 飞马缝纫机制造株式会社 | Needle and thread controller for multi-needle dual cap seaming machine |
| WO2003025273A1 (en) * | 2001-09-20 | 2003-03-27 | Meca Spa | Device to change the color of the thread on quilting/embroidering machines, relative method and relative quilting/embroidering machine |
| US20070074646A1 (en) * | 2005-09-30 | 2007-04-05 | Modra Timothy J | Carpet making machinery |
| CN203247405U (en) * | 2013-05-22 | 2013-10-23 | 启翔股份有限公司 | Thread channel mechanism for needle changeable type sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI769654B (en) * | 2021-01-06 | 2022-07-01 | 啟翔股份有限公司 | Sewing machine with changeable lifting lever |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104178942B (en) | 2016-08-17 |
| HK1199476A1 (en) | 2015-07-03 |
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