CN206783953U - The double acting knife linkage of sewing machine - Google Patents
The double acting knife linkage of sewing machine Download PDFInfo
- Publication number
- CN206783953U CN206783953U CN201720697182.1U CN201720697182U CN206783953U CN 206783953 U CN206783953 U CN 206783953U CN 201720697182 U CN201720697182 U CN 201720697182U CN 206783953 U CN206783953 U CN 206783953U
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- CN
- China
- Prior art keywords
- knife
- swing rod
- trimming
- moving knife
- crank
- Prior art date
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- 238000009958 sewing Methods 0.000 title claims abstract description 20
- 238000009966 trimming Methods 0.000 claims abstract description 56
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a kind of double acting knife linkage of sewing machine, including trimming drive shaft, trimming drive shaft to be fixedly connected with one end of trimming crank；Trimming crank can be swung under the drive of trimming drive shaft around the end；The stage casing of trimming crank offers the first connecting hole and the second connecting hole；Trimming crank connects one end of driving knife connecting rod by the first connecting hole, and the other end of driving knife connecting rod is connected with active knife rest；Trimming crank adjusts the drive end of swing rod by the second connecting hole auxiliary connection moving knife；Secondary moving knife regulation swing rod driven end is connected with one end of secondary moving knife connecting rod, the other end auxiliary connection movable knife rack of secondary moving knife connecting rod；Regulation swing rod centre bore is offered in the middle part of secondary moving knife regulation swing rod；Regulation swing rod centre bore is sheathed in trimming drive shaft.The utility model has the advantages that simple and compact for structure, convenient for installation and maintenance and transmission diversity.
Description
Technical field
It the utility model is related to a kind of annex of sewing machine, and in particular to a kind of double acting knife linkage of sewing machine.
Background technology
The thread cutting mechanism of existing sewing machine realizes the action of trimming using the combination of moving knife and stationary knife mostly, and stationary knife is fixed
On casing, moving knife then by the drive of moving knife connecting rod, is engaged with stationary knife；This trimming mode can cause the line on sewed product
The defects of long and eedle the end of a thread length is unstable, so as to cause the quality of sewed product bad；And present sewing machine also court
That trimming is more stable, the shorter double acting knife trimming mode of the end of a thread develops.Double acting knife trimming is then by driving driving knife and pair to move
Knife, move toward one another is allowed to, completes occlusion trimming, and existing linkage can not realize This move.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of double acting knife linkage of sewing machine, and it can be more
Add and simple, quick and high reliability go solve problem above.
In order to solve the above technical problems, the technical solution of the double acting knife linkage of the utility model sewing machine is：
Including trimming drive shaft 10, trimming drive shaft 10 is fixedly connected with one end of trimming crank 9；Trimming crank 9 can be
Swung under the drive of trimming drive shaft 10 around the end；The stage casing of trimming crank 9 offers the first connecting hole and the second connecting hole；Cut
Line crank 9 connects one end of driving knife connecting rod 1 by the first connecting hole, and the other end of driving knife connecting rod 1 is connected with active knife rest
Connect；Trimming crank 9 adjusts the drive end of swing rod 5 by the second connecting hole auxiliary connection moving knife；The driven end of secondary moving knife regulation swing rod 5
It is connected with one end of secondary moving knife connecting rod 7, the other end auxiliary connection movable knife rack of secondary moving knife connecting rod 7；In secondary moving knife regulation swing rod 5
Portion offers regulation swing rod centre bore 15；Regulation swing rod centre bore 15 is sheathed in trimming drive shaft 10.
One end of the driving knife connecting rod 1 offers crank mounting hole 12, and the end of driving knife connecting rod 1 is by being arranged in song
Handle mounting hole 12 is fixedly connected with trimming crank 9 with the crank attachment screw 3 of the first connecting hole.
The other end of the driving knife connecting rod 1 offers main carriage mounting hole 2.
The driving knife connecting rod 1 is circular arc.
One end of the secondary moving knife connecting rod 7 offers regulation swing rod connecting hole 13, and the other end of secondary moving knife connecting rod 7 offers
Secondary knife rest mounting hole 8.
Coordinate between the regulation swing rod centre bore 15 and trimming drive shaft 10 for gap.
The drive end of the secondary moving knife regulation swing rod 5 offers arc groove 16, and the drive end of secondary moving knife regulation swing rod 5 passes through
It is arranged in the first swing rod attachment screw 4 connection trimming crank 9 of the connecting hole of arc groove 16 and second.
The driven end of the secondary moving knife regulation swing rod 5 offers regulation swing rod mounting hole 14, secondary moving knife regulation swing rod 5 from
Moved end is solid by the second swing rod attachment screw 6 and nut 11 for being arranged in regulation swing rod mounting hole 14 and regulation swing rod connecting hole 13
Determine one end of auxiliary connection moving knife connecting rod 7.
Arc groove 16, regulation swing rod mounting hole 14 and the regulation swing rod centre bore 15 into three of the secondary moving knife regulation swing rod 5
Angle is distributed.
What the utility model can reach has the technical effect that：
The utility model has the advantages that simple and compact for structure, convenient for installation and maintenance and transmission diversity.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic perspective view of the double acting knife linkage of the utility model sewing machine；
Fig. 2 is decomposing schematic representation of the present utility model.
Description of reference numerals in figure：
1 is driving knife connecting rod, and 2 be main carriage mounting hole,
3 be crank attachment screw, and 4 be the first swing rod attachment screw,
5 be that secondary moving knife adjusts swing rod, and 6 be the second swing rod attachment screw,
7 be secondary moving knife connecting rod, and 8 be secondary knife rest mounting hole,
9 be trimming crank, and 10 be trimming drive shaft,
11 be nut, and 12 be crank mounting hole,
13 be regulation swing rod connecting hole, and 14 be regulation swing rod mounting hole,
15 be regulation swing rod centre bore, and 16 be arc groove.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing of type embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, it is described
Embodiment is part of the embodiment of the present utility model, rather than whole embodiments.Based on described of the present utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, all belongs to
In the scope of the utility model protection.Unless otherwise defined, technical term or scientific terminology used herein should be this reality
With the ordinary meaning that there is the personage of general technical ability to be understood in new art." first " used herein, " second "
And similar word is not offered as any order, quantity or importance, and it is used only to distinguish different parts.
The similar word such as " comprising " means to occur element before the word or object covers the element for appearing in the word presented hereinafter
Or object and its equivalent, and it is not excluded for other elements or object.
As shown in figure 1, the double acting knife linkage of the utility model sewing machine, including trimming drive shaft 10, trimming driving
Axle 10 is fixedly connected with one end of trimming crank 9；Trimming crank 9 can be swung under the drive of trimming drive shaft 10 around the end；
The stage casing of trimming crank 9 offers the first connecting hole and the second connecting hole；
Trimming crank 9 connects one end of driving knife connecting rod 1, the other end of driving knife connecting rod 1 and master by the first connecting hole
Movable knife rack is connected；
One end of driving knife connecting rod 1 offers crank mounting hole 12, and the other end of driving knife connecting rod 1 offers main carriage peace
Fill hole 2；One end of driving knife connecting rod 1 is fixed by being arranged in the crank attachment screw 3 of the connecting hole of crank mounting hole 12 and first
Connect trimming crank 9；Driving knife connecting rod 1 is circular arc；
Trimming crank 9 adjusts the drive end of swing rod 5 by the second connecting hole auxiliary connection moving knife；Secondary moving knife regulation swing rod 5
Driven end is connected with one end of secondary moving knife connecting rod 7, the other end auxiliary connection movable knife rack of secondary moving knife connecting rod 7；Secondary moving knife connecting rod 7
One end offers regulation swing rod connecting hole 13, and the other end of secondary moving knife connecting rod 7 offers secondary knife rest mounting hole 8；
The middle part of secondary moving knife regulation swing rod 5 offers regulation swing rod centre bore 15；Regulation swing rod centre bore 15, which is sheathed on, to be cut
In line drive shaft 10, coordinate between regulation swing rod centre bore 15 and trimming drive shaft 10 for gap；
The drive end of secondary moving knife regulation swing rod 5 offers arc groove 16, and the drive end of secondary moving knife regulation swing rod 5 is by wearing
In the first swing rod attachment screw 4 connection trimming crank 9 of the connecting hole of arc groove 16 and second；
The driven end of secondary moving knife regulation swing rod 5 offers regulation swing rod mounting hole 14, the driven end of secondary moving knife regulation swing rod 5
Fixed and connected by the second swing rod attachment screw 6 and nut 11 that are arranged in regulation swing rod mounting hole 14 and regulation swing rod connecting hole 13
Connect one end of secondary moving knife connecting rod 7；
Arc groove 16, regulation swing rod mounting hole 14 and the regulation swing rod centre bore 15 of secondary moving knife regulation swing rod 5 divide into triangle
Cloth.
Operation principle of the present utility model is as follows：
The rotation of trimming drive shaft 10 drives trimming crank 9 to swing, and trimming crank 9 drives driving knife connecting rod 1 to pacify around crank
Dress hole 12 rotates；At the same time, trimming crank 9 drives secondary moving knife to adjust swing rod 5 around the flexible rotating of trimming drive shaft 10, secondary moving knife
Regulation swing rod 5 drives secondary moving knife connecting rod 7 to be rotated backward around regulation swing rod connecting hole 13 during rotation.
The drive end of secondary moving knife regulation swing rod 5 of the present utility model offers arc groove 16, is connected by adjusting the first swing rod
Secondary moving knife rack position can be changed by connecing position of the screw 4 in arc groove 16.
Although embodiment of the present utility model is hereinbefore described in detail, come for those skilled in the art
Say it is readily apparent that various modifications and variations can be carried out to these embodiments.However, it is understood that this modification and change
Change is belonged within the scope of the utility model and spirit described in claims.Moreover, described herein practicality is new
Type can have other embodiments, and can be practiced or carried out in several ways.
Claims (9)
- A kind of 1. double acting knife linkage of sewing machine, it is characterised in that：Including trimming drive shaft（10）, trimming drive shaft（10） It is fixedly connected with trimming crank（9）One end；Trimming crank（9）Can be in trimming drive shaft（10）Drive under around the end swing；Trimming crank（9）Stage casing offer the first connecting hole and the second connecting hole；Trimming crank（9）Driving knife connecting rod is connected by the first connecting hole（1）One end, driving knife connecting rod（1）The other end with Active knife rest is connected；Trimming crank（9）Swing rod is adjusted by the second connecting hole auxiliary connection moving knife（5）Drive end；Secondary moving knife adjusts swing rod（5） Driven end and secondary moving knife connecting rod（7）One end be connected, secondary moving knife connecting rod（7）Other end auxiliary connection movable knife rack；Secondary moving knife adjusts swing rod（5）Middle part offer regulation swing rod centre bore（15）；Adjust swing rod centre bore（15）It is sheathed on Trimming drive shaft（10）On.
- 2. the double acting knife linkage of sewing machine according to claim 1, it is characterised in that：The driving knife connecting rod（1） One end offer crank mounting hole（12）, driving knife connecting rod（1）The end by being arranged in crank mounting hole（12）With first The crank attachment screw of connecting hole（3）It is fixedly connected with trimming crank（9）.
- 3. the double acting knife linkage of sewing machine according to claim 1 or 2, it is characterised in that：The driving knife connecting rod （1）The other end offer main carriage mounting hole（2）.
- 4. the double acting knife linkage of sewing machine according to claim 1, it is characterised in that：The driving knife connecting rod（1） For circular arc.
- 5. the double acting knife linkage of sewing machine according to claim 1, it is characterised in that：The secondary moving knife connecting rod（7） One end offer regulation swing rod connecting hole（13）, secondary moving knife connecting rod（7）The other end offer secondary knife rest mounting hole（8）.
- 6. the double acting knife linkage of sewing machine according to claim 1, it is characterised in that：The regulation swing rod centre bore （15）With trimming drive shaft（10）Between for gap coordinate.
- 7. the double acting knife linkage of sewing machine according to claim 1, it is characterised in that：The secondary moving knife regulation swing rod （5）Drive end offer arc groove（16）, secondary moving knife regulation swing rod（5）Drive end by being arranged in arc groove（16）With First swing rod attachment screw of two connecting holes（4）Connect trimming crank（9）.
- 8. the double acting knife linkage of the sewing machine according to claim 5 or 7, it is characterised in that：The secondary moving knife regulation Swing rod（5）Driven end offer regulation swing rod mounting hole（14）, secondary moving knife regulation swing rod（5）Driven end by be arranged in adjust Save swing rod mounting hole（14）With regulation swing rod connecting hole（13）The second swing rod attachment screw（6）And nut（11）It is fixedly connected with pair Moving knife connecting rod（7）One end.
- 9. the double acting knife linkage of sewing machine according to claim 8, it is characterised in that：The secondary moving knife regulation swing rod （5）Arc groove（16）, regulation swing rod mounting hole（14）With regulation swing rod centre bore（15）Into angular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697182.1U CN206783953U (en) | 2017-06-15 | 2017-06-15 | The double acting knife linkage of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720697182.1U CN206783953U (en) | 2017-06-15 | 2017-06-15 | The double acting knife linkage of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783953U true CN206783953U (en) | 2017-12-22 |
Family
ID=60717433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720697182.1U Active CN206783953U (en) | 2017-06-15 | 2017-06-15 | The double acting knife linkage of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206783953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487453A (en) * | 2018-12-11 | 2019-03-19 | 拓卡奔马机电科技有限公司 | A kind of double acting knife cutting facility of sewing machine |
-
2017
- 2017-06-15 CN CN201720697182.1U patent/CN206783953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487453A (en) * | 2018-12-11 | 2019-03-19 | 拓卡奔马机电科技有限公司 | A kind of double acting knife cutting facility of sewing machine |
| CN109487453B (en) * | 2018-12-11 | 2020-12-29 | 拓卡奔马机电科技有限公司 | Double-moving-knife thread shearing device of sewing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group Co.,Ltd. Address before: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |