CN203462257U - Thread wiping device for sewing machine - Google Patents
Thread wiping device for sewing machine Download PDFInfo
- Publication number
- CN203462257U CN203462257U CN201320522655.6U CN201320522655U CN203462257U CN 203462257 U CN203462257 U CN 203462257U CN 201320522655 U CN201320522655 U CN 201320522655U CN 203462257 U CN203462257 U CN 203462257U
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- rotating shaft
- sewing machine
- thread
- shifting device
- thread wiping
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Abstract
The utility model provides a thread wiping device for a sewing machine, belongs to the technical field of sewing machines and aims to solve the problems of unstable use function, inaccurate control force and angle and the like existing in a thread wiping device in the conventional sewing machine. The thread wiping device for the sewing machine comprises a thread wiping rod provided with a hook-shaped end part, and is characterized in that the thread wiping rod is fixedly connected to a revolving shaft; the revolving shaft is connected with a transmission mechanism; a rotating electric magnet is used for driving the revolving shaft to rotate through the transmission mechanism, so that the thread wiping rod swings in order to complete thread wiping actions. The thread wiping device is simple and reasonable in structural design; sufficient thread wiping force is transmitted through the rotating electric magnet, and the size of the rotating electric magnet is very small, so that a large amount of space is saved for the overall structural design of the sewing machine; meanwhile, due to the structural design of transmission, the wear is small, and the service life is prolonged.
Description
Technical field
The utility model belongs to sewing machine technique field, refers in particular to a kind of thread-shifting device of sewing machine.
Background technology
Along with improving constantly of the automaticity of Sewing machines, thread-shifting device of sewing machine is the important component part of Sewing machines, after automatic thread trimming device in Sewing machines is cut off needlework, for making needlework play smoothly seam for the second time, automatic thread wiping device is dialled needlework to come up from needle plate hole.
At present, the thread-moving device that has now Sewing machines in technology is generally to adopt the mechanisms such as electromagnetic valve, make moving axially of valve rod drive transmission mechanism to make to dial line bar and rotate, this kind of structure exists following some problem: the one, and electromagnetic valve fatiguability, easily causes disabler; The 2nd, its anglec of rotation, dynamics of controlling group line all can not effectivelyly be controlled; The 3rd, the wear intensity between structure is excessive.
Summary of the invention
The purpose of this utility model is to provide a kind of thread-shifting device of sewing machine, and it has adopted rotary magnet to drive group line bar to complete and has dialled line action, and overall structure takes up room little, uses function-stable.
The purpose of this utility model is achieved in that
Thread-shifting device of sewing machine, comprise group line bar with hook shape end, it is characterized in that: the described line bar of dialling is fixedly connected in rotating shaft, and described rotating shaft is connected with transmission mechanism, driving mechanism drives rotating shaft rotation to make group line bar swing to dial line by transmission mechanism and moves.
As preferably, in above-mentioned thread-shifting device of sewing machine, described driving mechanism is rotary magnet or rotary cylinder.
In above-mentioned thread-shifting device of sewing machine, in described rotating shaft, offer radial direction through hole, dial the grafting of line bar and be fixed on the radial direction through hole of rotating shaft.
In above-mentioned thread-shifting device of sewing machine, the concrete structure of described transmission mechanism is: the main shaft of rotary magnet is fixedly connected with rotating crank, on rotating crank, offer chute, in chute, slidably connect slippery fellow, slippery fellow is fixedly connected on one end of driving crank, the other end of driving crank offers installing hole, and rotating shaft is fixed in installing hole.
As preferably, in above-mentioned thread-shifting device of sewing machine, described slippery fellow is through chute setting, and foxy is provided with jump ring through end, and described rotating shaft is provided with jump ring through one end of installing hole and is fixed.
As preferably, in above-mentioned thread-shifting device of sewing machine, described slippery fellow, driving crank and rotating shaft are structure as a whole.
In above-mentioned thread-shifting device of sewing machine, described thread-shifting device of sewing machine is fixed on support, and described rotating shaft is through the through hole arranging on support, and rotating shaft and support are provided with the torsion spring that rotating shaft is resetted.
The utility model compared to existing technology outstanding and useful technique effect is:
Structural design advantages of simple of the present utility model, adopted the line dynamics of dialling that rotary magnet transmission is enough, and the volume of rotary magnet is very little, this has saved many spaces to Sewing machines overall construction design, the structural design wearing and tearing of transmission are simultaneously little, improved service life.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 2 is the left view after the assembling of Fig. 1 structure.
Fig. 3 removes the rearview after part-structure after the assembling of Fig. 1 structure.
The specific embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-3:
Thread-shifting device of sewing machine, comprises group line bar 1 with hook shape end, and the described line bar of dialling is fixedly connected in rotating shaft 2, and described rotating shaft is connected with transmission mechanism, and driving mechanism 3 drives rotating shaft rotation to make group line bar swing to dial line by transmission mechanism and moves.
In the utility model, described driving mechanism is rotary magnet or rotary cylinder.To drive to flexible by structure stem shaft such as electromagnetic valves in the prior art, driving mechanism in the utility model is to drive by rotation mode, this kind of driving makes pendulum angle and the dynamics of group line bar more accurate, wearing and tearing between transmission mechanism are less simultaneously, improved the whole whole service life of equipment, the volume of rotary magnet or rotary cylinder is little in addition, takes up room little.
Operation principle of the present utility model is: support 10 is bolted on Sewing machines lower head in use, dialling line rotating shaft 2 is through on support 10, the one end of dialling line rotating shaft 2 is connected with transmission mechanism, the other end of dialling line rotating shaft 2 is fixed with dials line bar 1, dial line bar 1 front end and there is the convenient arc crotch of dialling line, dial line rotating shaft 2 axially by jump ring 9 and back-up ring 13 location, dial after line completes and reset by torsion spring 12.After needlework are cut off, needlework are before playing seam for the second time, the work of this thread-shifting device of sewing machine, rotary magnet or rotary cylinder energising rotate, rotating crank 5, driving crank 8 drive group line rotating shaft 2 rotations to make to dial line bar needlework are therefrom transferred in presser feet hole, to complete, dial line action, the function that makes to sew plays seam smoothly.
In described rotating shaft 2, offer radial direction through hole 4, dial the grafting of line bar and be fixed on the radial direction through hole of rotating shaft.
The concrete structure of described transmission mechanism is: the main shaft of rotary magnet is fixedly connected with rotating crank 5, on rotating crank, offer chute 6, in chute, slidably connect foxy 7, slippery fellow is fixedly connected on one end of driving crank 8, the other end of driving crank offers installing hole, and rotating shaft is fixed in installing hole.
Described slippery fellow is through chute setting, and foxy is provided with jump ring 9 through end, and one end that installing hole is passed in described rotating shaft 2 is provided with jump ring 9 and is fixed.Described rotating shaft is provided with jump ring 9 through one end of installing hole and is fixed.
Described slippery fellow, driving crank and rotating shaft are structure as a whole.Integrative-structure design one-shot forming, has omitted assembling process of the prior art.
Described thread-shifting device of sewing machine is fixed on support 10, and described rotating shaft is through the through hole 11 arranging on support, and rotating shaft and support are provided with the torsion spring 12 that rotating shaft is resetted.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (7)
1. thread-shifting device of sewing machine, comprise group line bar (1) with hook shape end, it is characterized in that: the described line bar of dialling is fixedly connected in rotating shaft (2), described rotating shaft is connected with transmission mechanism, and driving mechanism (3) drives rotating shaft rotation to make group line bar swing to dial line by transmission mechanism and moves.
2. thread-shifting device of sewing machine according to claim 1, is characterized in that: described driving mechanism is rotary magnet or rotary cylinder.
3. thread-shifting device of sewing machine according to claim 1, is characterized in that: in described rotating shaft, offer radial direction through hole (4), dial the grafting of line bar and be fixed on the radial direction through hole of rotating shaft.
4. thread-shifting device of sewing machine according to claim 1, it is characterized in that: the concrete structure of described transmission mechanism is: the main shaft of rotary magnet is fixedly connected with rotating crank (5), on rotating crank, offer chute (6), in chute, slidably connect slippery fellow (7), slippery fellow is fixedly connected on one end of driving crank (8), the other end of driving crank offers installing hole, and rotating shaft is hingedly fixed in installing hole.
5. thread-shifting device of sewing machine according to claim 4, is characterized in that: described slippery fellow is through chute setting, and foxy is provided with jump ring (9) through end, and described rotating shaft is provided with jump ring (9) through one end of installing hole and is fixed.
6. thread-shifting device of sewing machine according to claim 4, is characterized in that: described slippery fellow, driving crank and rotating shaft are structure as a whole.
7. thread-shifting device of sewing machine according to claim 1, it is characterized in that: described thread-shifting device of sewing machine is fixed on support (10), described rotating shaft also can be rotated through the through hole (11) arranging on support in through hole, and rotating shaft and support are provided with the torsion spring (12) that rotating shaft is resetted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522655.6U CN203462257U (en) | 2013-08-26 | 2013-08-26 | Thread wiping device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522655.6U CN203462257U (en) | 2013-08-26 | 2013-08-26 | Thread wiping device for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203462257U true CN203462257U (en) | 2014-03-05 |
Family
ID=50174632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320522655.6U Expired - Lifetime CN203462257U (en) | 2013-08-26 | 2013-08-26 | Thread wiping device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203462257U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746243A (en) * | 2015-04-20 | 2015-07-01 | 段昌龙 | Full-automatic pocket patching machine |
| CN104762767A (en) * | 2015-04-23 | 2015-07-08 | 杰克缝纫机股份有限公司 | Sewing machine and thread collecting device and method thereof |
| CN108547071A (en) * | 2018-06-11 | 2018-09-18 | 池州市旭豪机械有限公司 | A kind of sewing machine ox horn thread-laying mechanism |
-
2013
- 2013-08-26 CN CN201320522655.6U patent/CN203462257U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746243A (en) * | 2015-04-20 | 2015-07-01 | 段昌龙 | Full-automatic pocket patching machine |
| CN104746243B (en) * | 2015-04-20 | 2017-04-12 | 珠海市达益机械设备有限公司 | Full-automatic pocket patching machine |
| CN104762767A (en) * | 2015-04-23 | 2015-07-08 | 杰克缝纫机股份有限公司 | Sewing machine and thread collecting device and method thereof |
| CN104762767B (en) * | 2015-04-23 | 2017-08-29 | 杰克缝纫机股份有限公司 | Sewing machine and its take-up |
| CN108547071A (en) * | 2018-06-11 | 2018-09-18 | 池州市旭豪机械有限公司 | A kind of sewing machine ox horn thread-laying mechanism |
| CN108547071B (en) * | 2018-06-11 | 2024-03-26 | 池州市旭豪机械有限公司 | Ox horn thread pulling mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TOPCUT-BULLMER MECHANICAL AND ELECTRICAL TECHNOLOG Free format text: FORMER NAME: TAIZHOU TOPCUT BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 317000 No. 71 River Road, Jiangnan street, Linhai City, Zhejiang, 181 Patentee after: BULLMER ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 317000, Zhejiang, Taizhou Province Jiangnan Jiangnan Street office seed farm Patentee before: TAIZHOU TOPCUT-BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JACK SEWING MACHINE Co.,Ltd. Assignor: BULLMER ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000284 Denomination of utility model: Thread pulling device of sewing machine Granted publication date: 20140305 License type: Common License Record date: 20210914 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |