CN203144690U - Sewing machine line loosening device - Google Patents
Sewing machine line loosening device Download PDFInfo
- Publication number
- CN203144690U CN203144690U CN 201320128319 CN201320128319U CN203144690U CN 203144690 U CN203144690 U CN 203144690U CN 201320128319 CN201320128319 CN 201320128319 CN 201320128319 U CN201320128319 U CN 201320128319U CN 203144690 U CN203144690 U CN 203144690U
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- CN
- China
- Prior art keywords
- top board
- loose ends
- electromagnet
- sewing machines
- loosening
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of sewing machine accessories, in particular to a sewing machine line loosening device which comprises a line loosening top plate capable of rotating around a rotating shaft, an electromagnet and a line loosening auxiliary nail used for jacking a line trapper open to loosen lines. An iron core of the electromagnet is arranged collinear with or parallel to the axis of the line loosening auxiliary nail, the line loosening top plate can be driven by a presser foot lifting device or the electromagnet respectively to rotate around the rotating shaft to drive the line loosening auxiliary nail to jack the line trapper open to loosen the lines, and the electromagnet is controlled by a controller. The sewing machine line loosening device can drive the line loosening top plate to rotate around an axial screw to jack the line trapper open to loosen the lines through the presser foot lifting device and the electromagnet, presser foot lifting driving and electromagnet driving are independent and cannot affect each other, and the sewing machine line loosening device is stable in performance, is identical in lengths of cut lines, improves quality of a sewing machine and is suitable for various flat sewing machines.
Description
Technical field:
The utility model belongs to Sewing machines accessory technical field, refers in particular to a kind of Sewing machines thread-loosening device.
Background technology:
Generally all be provided with tension disk on the Sewing machines.The effect of tension disk is that tension disk clamps upper thread when Sewing machines is worked, and makes upper thread have suitable elasticity; After sewing finished, during automatic shearing, tension disk can not unclamp automatically, then needed to arrange thread-loosening device control tension disk and unclamped automatically.In the prior art, what thread-loosening device adopted is guy structure.This structure exists: instability, make when trimming different in sizely, and reduced the weak points such as quality of Sewing machines.
Summary of the invention:
The purpose of this utility model provides a kind of stable performance, can all can realize the Sewing machines thread-loosening device of loose ends action when presser foot lifter or trimming.
The utility model is achieved in that
A kind of Sewing machines thread-loosening device, include the loose ends top board that can rotate around the axis, electromagnet and being used for backs down the auxilliary nail of loose ends that tension disk carries out loose ends, the iron core of electromagnet and loose ends are assisted the axis conllinear of nail or are be arranged in parallel, the loose ends top board can be rotated around the axis and then drive the auxilliary screw top open tension device of loose ends respectively and carry out the loose ends action by presser foot lifting device or solenoid actuated, the action of electromagnet is controlled by controller.
Above-mentioned loose ends top board is that the external cylindrical surface of hollow circular cylinder is provided with top board one and top board two, and top board one is arranged on the presser feet lifter plate top of presser foot lifting device, and top board two is arranged between the iron core of the auxilliary nail of loose ends and electromagnet.
The baseplane of above-mentioned top board one is connected with the contact of the presser feet lifter plate of presser foot lifting device.
The auxilliary nail joint of one side plane of above-mentioned top board two and loose ends touch is connected, the opposite side plane contacts with the iron core of electromagnet and is connected.
One side of above-mentioned loose ends top board is provided with resetting means.
Above-mentioned resetting means is: be arranged on the spring suspension screw of rotating shaft one side, the spring suspension screw axis is parallel with shaft axis, is arranged with reduction torsion spring at the spring suspension screw, and an end of reduction torsion spring holds out against on the loose ends top board.
Above-mentioned rotating shaft is axial screw, and axial screw is arranged on the loose ends top board on the casing.
One end of above-mentioned spring suspension screw is arranged on the casing.
The advantage that the utility model is given prominence to compared to existing technology is:
1, thereby the utility model all can drive the loose ends top board by presser foot lifting device and electromagnet and back down tension disk realization loose ends around the axial screw rotation, and presser foot lifter drives and electromagnet drives to separate, is independent of each other;
2, the utility model adopts spring reset, and noise is little;
3, the utility model stable performance, trimming length unanimity has promoted the quality of Sewing machines, is applicable on the various flat seam machine.
Description of drawings:
Fig. 1 is the schematic diagram after the utility model installs;
Fig. 2 is the schematic diagram after the utility model installs back dismounting presser feet;
Fig. 3 is one of schematic diagram of the top board one of the present utility model presser feet lifter plate top that is arranged on presser foot lifting device;
Fig. 4 be the top board one of the present utility model presser feet lifter plate top that is arranged on presser foot lifting device schematic diagram two;
Fig. 5 is one of schematic diagram of loose ends top board of the present utility model;
Fig. 6 be loose ends top board of the present utility model schematic diagram two.
The specific embodiment:
With specific embodiment the utility model is further described below, referring to Fig. 1-6:
A kind of Sewing machines thread-loosening device, include the loose ends top board 10 that can rotate around the axis, electromagnet 20 and being used for backs down the auxilliary nail 40 of loose ends that tension disk 30 carries out loose ends, the iron core 201 of electromagnet 20 is assisted the axis conllinear of nail 40 with loose ends or is be arranged in parallel, loose ends top board 10 can be respectively driven rotate around the axis and then drive the auxilliary nail 40 of loose ends by presser foot lifting device 50 or electromagnet 20 and backs down tension disk 30 and carry out the loose ends action, and the action of electromagnet 20 is controlled by controller.It is separate action that presser foot lifting device 50 or electromagnet 20 drive loose ends top board 10, mutually noninterfere.In the auxilliary nail of the loose ends that is arranged on casing 70 installing hole of the auxilliary nail 40 of loose ends, the tension releasing pin 301 of an end top tension disk 30 of the auxilliary nail 40 of loose ends.
Above-mentioned loose ends top board 10 is that the external cylindrical surface of hollow circular cylinder 103 is provided with top board 1 and top board 2 102, top board 1 is arranged on presser feet lifter plate 501 tops of presser foot lifting device 50, top board 2 102 is arranged between the iron core 201 of the auxilliary nail 40 of loose ends and electromagnet 20, and the hole of hollow circular cylinder 103 is loose ends top board 10 and is installed in installing hole on the axial screw.Top board 1 is integral structure with top board 2 102, and is one-body molded with hollow circular cylinder 103.Angle angle between top board 1 and the top board 2 102 can design according to actual conditions.
The baseplane of above-mentioned top board 1 is connected with 501 contacts of the presser feet lifter plate of presser foot lifting device 50.
One side plane of above-mentioned top board 2 102 is connected with auxilliary nail 40 contacts of loose ends, the opposite side plane is connected with iron core 201 contacts of electromagnet 20.
One side of above-mentioned loose ends top board 10 is provided with resetting means.
Above-mentioned resetting means is: be arranged on the spring suspension screw 60 of rotating shaft one side, spring suspension screw 60 axis are parallel with shaft axis, are arranged with reduction torsion spring at spring suspension screw 60, and an end of reduction torsion spring holds out against on loose ends top board 10.Reduction torsion spring automatically resets after can making loose ends top board 10 each rotations, and noise is little.
Above-mentioned rotating shaft is axial screw, and axial screw is arranged on loose ends top board 10 on the casing 70.
One end of above-mentioned spring suspension screw 60 is arranged on the casing 70.
Operation principle of the present utility model:
1, when presser foot lifter, when carrying out the presser foot lifter action by portable presser foot lifter handle or by knee control device presser foot lifter or other device drives, presser feet lifter plate 501 on the presser foot lifting device 50 can move up, because top board 1 is arranged on presser feet lifter plate 501 tops, presser feet lifter plate 501 is given one 101 one power that make progress of top board in the process of moving, the loose ends top board namely can rotate counterclockwise around axial screw, drive the auxilliary nail 40 of top board 2 102 top loose ends, the tension releasing pin 301 of the other end top tension disk 30 of the auxilliary nail 40 of loose ends, and then the action of realization loose ends;
2, when electric cabinet control Sewing machines trimming, electromagnet 20 energisings, the iron core 201 of electromagnet 20 is protruding to be acted on the plane of top board 2 102 of loose ends top board 10, top board 2 102 drives loose ends top board 10 and rotates counterclockwise, because top board 1 is arranged on presser feet lifter plate 501 tops, when loose ends top board 10 rotates counterclockwise, top board 1 is in reverse to 501 motions of presser feet lifter plate and can act on presser feet lifter plate 501, presser foot lifting device 50 there is not interference, the auxilliary nail 40 of top board 2 102 top loose ends, the tension releasing pin 301 of the auxilliary nail of loose ends 40 top tension disks 30, and then the action of realization loose ends.
Above-described embodiment only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (8)
1. Sewing machines thread-loosening device, it is characterized in that: include the loose ends top board that can rotate around the axis, electromagnet and being used for backs down the auxilliary nail of loose ends that tension disk carries out loose ends, the iron core of electromagnet and loose ends are assisted the axis conllinear of nail or are be arranged in parallel, the loose ends top board can be rotated around the axis and then drive the auxilliary screw top open tension device of loose ends respectively and carry out the loose ends action by presser foot lifting device or solenoid actuated, the action of electromagnet is controlled by controller.
2. a kind of Sewing machines thread-loosening device according to claim 1, it is characterized in that: the external cylindrical surface that described loose ends top board is hollow circular cylinder is provided with top board one and top board two, top board one is arranged on the presser feet lifter plate top of presser foot lifting device, and top board two is arranged between the iron core of the auxilliary nail of loose ends and electromagnet.
3. a kind of Sewing machines thread-loosening device according to claim 2 is characterized in that: the baseplane of described top board one is connected with the presser feet lifter plate contact of presser foot lifting device.
4. a kind of Sewing machines thread-loosening device according to claim 2 is characterized in that: a side plane of described top board two touch with the auxilliary nail joint of loose ends is connected, the opposite side plane contacts with the iron core of electromagnet and is connected.
5. a kind of Sewing machines thread-loosening device according to claim 1, it is characterized in that: a side of described loose ends top board is provided with resetting means.
6. a kind of Sewing machines thread-loosening device according to claim 5, it is characterized in that: described resetting means is: the spring suspension screw that is arranged on rotating shaft one side, the spring suspension screw axis is parallel with shaft axis, be arranged with reduction torsion spring at the spring suspension screw, an end of reduction torsion spring holds out against on the loose ends top board.
7. according to claim 1 or 6 described a kind of Sewing machines thread-loosening devices, it is characterized in that: described rotating shaft is axial screw, and axial screw is arranged on the loose ends top board on the casing.
8. a kind of Sewing machines thread-loosening device according to claim 6, it is characterized in that: an end of described spring suspension screw is arranged on the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128319 CN203144690U (en) | 2013-03-20 | 2013-03-20 | Sewing machine line loosening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128319 CN203144690U (en) | 2013-03-20 | 2013-03-20 | Sewing machine line loosening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203144690U true CN203144690U (en) | 2013-08-21 |
Family
ID=48972232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128319 Expired - Lifetime CN203144690U (en) | 2013-03-20 | 2013-03-20 | Sewing machine line loosening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203144690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184660A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Thread releasing device for sewing machine |
| CN105568575A (en) * | 2016-03-05 | 2016-05-11 | 杰克缝纫机股份有限公司 | Sewing machine thread loosening device for removing bird nest structure and use method |
-
2013
- 2013-03-20 CN CN 201320128319 patent/CN203144690U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184660A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Thread releasing device for sewing machine |
| CN103184660B (en) * | 2013-03-20 | 2014-07-16 | 新杰克缝纫机股份有限公司 | Thread releasing device for sewing machine |
| CN105568575A (en) * | 2016-03-05 | 2016-05-11 | 杰克缝纫机股份有限公司 | Sewing machine thread loosening device for removing bird nest structure and use method |
| CN105568575B (en) * | 2016-03-05 | 2018-12-21 | 杰克缝纫机股份有限公司 | A kind of sewing machine removes the thread-loosening device and application method of Bird's Nest structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JACK SEWING CO., LTD. Free format text: FORMER NAME: NEW JACK SEWING MACHINE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE Co.,Ltd. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: NEW JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |