CN103510298B - Noise-reduction buffer mechanism for sewing machine backstitch - Google Patents
Noise-reduction buffer mechanism for sewing machine backstitch Download PDFInfo
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- CN103510298B CN103510298B CN201310456526.6A CN201310456526A CN103510298B CN 103510298 B CN103510298 B CN 103510298B CN 201310456526 A CN201310456526 A CN 201310456526A CN 103510298 B CN103510298 B CN 103510298B
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Abstract
The invention belongs to the technical field of sewing machines, in particular to a noise-reduction buffer mechanism for sewing machine backstitch. The noise-reduction buffer mechanism comprises a stitch length adjusting mechanism and a backstitch electromagnet arranged on one side of a feeding adjusting shaft of the stitch length adjusting mechanism. The backstitch electromagnet comprises a shell and a frame arranged outside the shell, a coil is arranged in the shell, an iron core penetrates through the shell, and the head portion and the tail portion of the iron core extend out of the frame. The head portion of the iron core is connected with the feeding adjusting shaft, the iron core is connected with a buffer device through a buffer installation support, and the buffer device is arranged on one side of the frame. The buffer device reduces abrasion of parts, the service life of the electromagnet is prolonged, and product quality is improved; a buffer shaft is arranged in a buffer installation base, a cover plate is arranged, and the noise of the buffer device can be reduced; the position of a check ring on the buffer shaft can be adjusted according to actual buffer requirements to change the upper-lower buffer effect.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to the noise reduction buffer gear that a kind of Sewing machines backstitches.
Background technology:
Sewing machines is when just backstitching, and electromagnet telescopic drive feeding regulating shaft rotates, and by regulating crank, feeding swing arm to drive feed regulator to swing, it is spacing that feeding regulates stud to be carried out needle gage by feed regulator.The structure of electromagnet is: the framework including shell portion and be arranged on outside shell portion, and shell is provided with coil in portion, and iron core runs through and to be arranged in shell portion and head and afterbody stretch out outside framework respectively; The electromagnet of this structure also exists lower column defects: electromagnet is when stretching, and the iron core round table surface in electromagnet and electromagnet casing madial wall clash into; During contracting, nut can clash into electromagnet casing lateral wall; Feeding regulates stud when just backstitching conversion, can clash into feed regulator.Above-mentioned various shock produces very large noise, and long-term shock can produce wearing and tearing simultaneously, makes precise decreasing after parts depreciation.
Summary of the invention:
The object of this invention is to provide a kind of cost low, reduce noise, noise reduction buffer gear that the Sewing machines that reduces impact and parts depreciation backstitches.
The present invention is achieved in that
The noise reduction buffer gear that a kind of Sewing machines backstitches, include needle gage governor motion, what be arranged on the feeding regulating shaft side of needle gage governor motion backstitches electromagnet, backstitch the framework that electromagnet includes shell portion and is arranged on outside shell portion, shell is provided with coil in portion, and iron core runs through and to be arranged in shell portion and head and afterbody stretch out outside framework respectively, and the head of described iron core is connected with feeding regulating shaft, iron core is connected with buffer unit by buffering mounting bracket, and buffer unit is arranged on the side of framework.
Above-mentioned buffer unit is: include buffering mount pad, buffering mount pad is provided with open slot, buffer shaft runs through buffering mount pad, the head of buffer shaft is arranged on buffering mounting bracket, the axis of the axis being parallel iron core of buffer shaft, buffering mount pad is fixed on framework, buffer shaft in open slot is provided with back-up ring, buffer spring on being provided with between back-up ring and the upper base of open slot, be provided with lower buffer spring between the going to the bottom of back-up ring and open slot, buffer shaft moves axially with iron core.
The side of above-mentioned buffering mounting bracket is provided with counterbore, the hexagon ring of the baseplane running through counterbore baseplane and buffering mounting bracket is provided with in counterbore, the opposite side of buffering mounting bracket is provided with buffer shaft installing hole, the head of buffer shaft is arranged in buffer shaft installing hole, buffering peace support is provided with the screwed hole of axes normal buffer shaft, and screw is screwed onto in screwed hole and is fixed on by buffer shaft on buffering mounting bracket.
The openend of the open slot of above-mentioned buffering mount pad is provided with cover plate.
The side of the trailing flank of above-mentioned buffering mount pad is outward extended with installing plate, opposite side is provided with the fixture block coordinating with installing plate and be connected on framework one sidewall, the outer surface of this sidewall of framework is provided with the electromagnet of falling feeding link plate, buffering mount pad is arranged on the leading flank of framework, installing plate to be arranged on the electromagnet of falling feeding link plate and installing plate, the electromagnet of falling feeding link plate to be fixed on framework by screw.
The position of above-mentioned back-up ring on buffer shaft is adjustable.
The head of above-mentioned iron core is axially bolted with nut and mandril joint from the bottom to top successively, nut is arranged in the hexagon ring of buffering mounting bracket, mandril joint is arranged on the baseplane of the counterbore of buffering mounting bracket, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the buffer unit that arranges of the present invention, reduces the impact between iron core and framework, shell portion, reduces noise, reduce parts depreciation, extend the service life of electromagnet, improve the quality of product;
2, buffer shaft of the present invention is arranged in buffering mount pad, and is provided with cover plate, can reduce the noise of buffer unit;
3, the present invention can cushion needs according to reality, regulates the position of back-up ring on buffer shaft to change upper and lower buffering effect;
4, the invention solves feeding regulate stud just, backstitch conversion time, can and the defect that clash into of feed regulator, reduce noise.
Accompanying drawing illustrates:
Fig. 1 is one of schematic diagram of the present invention;
Fig. 2 is schematic diagram two of the present invention;
Fig. 3 is schematic diagram three of the present invention;
Fig. 4 is schematic diagram four of the present invention;
Fig. 5 is one of schematic diagram of buffering mounting bracket of the present invention;
Fig. 6 is the schematic diagram two of buffering mounting bracket of the present invention;
Fig. 7 is one of schematic diagram of buffering mount pad of the present invention;
Fig. 8 is the schematic diagram two of buffering mount pad of the present invention;
Fig. 9 is the schematic diagram that the present invention is arranged on casing.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-9:
The noise reduction buffer gear that a kind of Sewing machines backstitches, include needle gage governor motion, needle gage governor motion includes feeding regulating shaft 1, feeding regulating shaft 1 regulates crank 2 to be connected with one end of feeding swing arm 3 by feeding, the other end of feeding swing arm 3 is connected with feed regulator 4, feed regulator 4 is sleeved on feed regulator bearing pin 5, the side of feed regulator 4 is provided with feeding and regulates apart from knob 6, backstitch electromagnet and be arranged on feeding regulating shaft 1 side, backstitch electromagnet to include shell portion 7 and be arranged on the framework 8 outside shell portion 7, coil is provided with in shell portion 7, iron core 9 runs through and to be arranged in shell portion 7 and head and afterbody stretch out outside framework 8 respectively, the head of described iron core 9 is connected with feeding regulating shaft 1, iron core 9 is connected with buffer unit by buffering mounting bracket 10, buffer unit is arranged on the side of framework 8.
Above-mentioned buffer unit is: include buffering mount pad 11, buffering mount pad 11 is provided with open slot 12, buffer shaft 13 runs through buffering mount pad 11, the head of buffer shaft 13 is arranged on buffering mounting bracket 10, the axis of the axis being parallel iron core 9 of buffer shaft 13, buffering mount pad 11 is fixed on framework 8, buffer shaft 13 in open slot 12 is provided with back-up ring 14, buffer spring 15 is provided with between back-up ring 14 and the upper base of open slot 12, lower buffer spring 16 is provided with between the going to the bottom of back-up ring 14 and open slot 12, buffer shaft 13 moves axially with iron core 9.
The side of above-mentioned buffering mounting bracket 10 is provided with counterbore, the hexagon ring 18 of the baseplane running through counterbore baseplane 17 and buffering mounting bracket 10 is provided with in counterbore, the opposite side of buffering mounting bracket 10 is provided with buffer shaft installing hole 19, the head of buffer shaft 13 is arranged in buffer shaft installing hole 19, buffering mounting bracket 10 is provided with axes normal in the screwed hole 20 of buffer shaft 13, and screw is screwed onto in screwed hole 20 and is fixed on by buffer shaft 13 on buffering mounting bracket 10.
The openend of the open slot 12 of above-mentioned buffering mount pad 11 is provided with cover plate 21.
The side of the trailing flank of above-mentioned buffering mount pad 11 is outward extended with installing plate 22, opposite side is provided with the fixture block 23 coordinating with installing plate 22 and be connected on framework 8 one sidewall, the lateral surface of installing plate 22 is concordant with the left surface of buffering mount pad 11 or right flank, the outer surface of this sidewall of framework 8 is provided with the electromagnet of falling feeding link plate 24, buffering mount pad 11 is arranged on the leading flank of framework 8, installing plate 22 to be arranged on the electromagnet of falling feeding link plate 24 and installing plate 22, the electromagnet of falling feeding link plate 24 to be fixed on framework 8 by screw 25.
The above-mentioned position of back-up ring 14 on buffer shaft 13 is adjustable, can cushion needs according to reality, regulates the position of back-up ring on buffer shaft to change upper and lower buffering effect.
The head of above-mentioned iron core 9 is axially bolted with nut 26 and mandril joint 27 from the bottom to top successively, nut 26 is arranged in the hexagon ring 18 of buffering mounting bracket 10, mandril joint 27 is arranged on the baseplane 17 of the counterbore of buffering mounting bracket 10, and mandril joint 27 is connected with feeding regulating shaft 1 by backstitching solenoid actuated crank 28.
The present invention is fixed on base plate 28 by the electromagnet of falling feeding link plate 24.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (6)
1. the noise reduction buffer gear that backstitches of a Sewing machines, include needle gage governor motion, what be arranged on the feeding regulating shaft side of needle gage governor motion backstitches electromagnet, backstitch the framework that electromagnet includes shell portion and is arranged on outside shell portion, shell is provided with coil in portion, iron core runs through and to be arranged in shell portion and head and afterbody stretch out outside framework respectively, it is characterized in that: the head of described iron core is connected with feeding regulating shaft, iron core is connected with buffer unit by buffering mounting bracket, and buffer unit is arranged on the side of framework;
Described buffer unit is: include buffering mount pad, buffering mount pad is provided with open slot, buffer shaft runs through buffering mount pad, the head of buffer shaft is arranged on buffering mounting bracket, the axis of the axis being parallel iron core of buffer shaft, buffering mount pad is fixed on framework, buffer shaft in open slot is provided with back-up ring, buffer spring on being provided with between back-up ring and the upper base of open slot, be provided with lower buffer spring between the going to the bottom of back-up ring and open slot, buffer shaft moves axially with iron core.
2. the noise reduction buffer gear that backstitches of a kind of Sewing machines according to claim 1, it is characterized in that: the side of described buffering mounting bracket is provided with counterbore, the hexagon ring of the baseplane running through counterbore baseplane and buffering mounting bracket is provided with in counterbore, the opposite side of buffering mounting bracket is provided with buffer shaft installing hole, the head of buffer shaft is arranged in buffer shaft installing hole, buffering mounting bracket is provided with the screwed hole of axes normal buffer shaft, and screw is screwed onto in screwed hole and is fixed on by buffer shaft on buffering mounting bracket.
3. the noise reduction buffer gear that backstitches of a kind of Sewing machines according to claim 1, is characterized in that: the openend of the open slot of described buffering mount pad is provided with cover plate.
4. the noise reduction buffer gear that backstitches of a kind of Sewing machines according to claim 1, it is characterized in that: the side of the trailing flank of described buffering mount pad is outward extended with installing plate, opposite side is provided with the fixture block coordinating with installing plate and be connected on framework one sidewall, the outer surface of this sidewall of framework is provided with the electromagnet of falling feeding link plate, buffering mount pad is arranged on the leading flank of framework, installing plate to be arranged on the electromagnet of falling feeding link plate and installing plate, the electromagnet of falling feeding link plate to be fixed on framework by screw.
5. the noise reduction buffer gear that backstitches of a kind of Sewing machines according to claim 1, is characterized in that: the position of described back-up ring on buffer shaft is adjustable.
6. the noise reduction buffer gear that backstitches of a kind of Sewing machines according to claim 1, it is characterized in that: the head of described iron core is axially bolted with nut and mandril joint from the bottom to top successively, nut is arranged in the hexagon ring of buffering mounting bracket, mandril joint is arranged on the baseplane of the counterbore of buffering mounting bracket, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456526.6A CN103510298B (en) | 2013-09-28 | 2013-09-28 | Noise-reduction buffer mechanism for sewing machine backstitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456526.6A CN103510298B (en) | 2013-09-28 | 2013-09-28 | Noise-reduction buffer mechanism for sewing machine backstitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103510298A CN103510298A (en) | 2014-01-15 |
| CN103510298B true CN103510298B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310456526.6A Active CN103510298B (en) | 2013-09-28 | 2013-09-28 | Noise-reduction buffer mechanism for sewing machine backstitch |
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| CN (1) | CN103510298B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167707B (en) * | 2015-09-22 | 2017-12-19 | 河北工业大学 | Buffer silencing apparatus and the window wiping robot with the device |
| CN108642740A (en) * | 2018-07-19 | 2018-10-12 | 苏州锴诚缝制设备有限公司 | A kind of sewing machine electromagnet noise reducing mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201121250Y (en) * | 2007-07-03 | 2008-09-24 | 宝鸡烽火工模具技术有限公司 | Backstitch electromagnetic control device |
| CN201245755Y (en) * | 2008-07-17 | 2009-05-27 | 西安标准工业股份有限公司 | Industrial sewing machine with tight sewing function |
| CN203144697U (en) * | 2013-03-11 | 2013-08-21 | 新杰克缝纫机股份有限公司 | Sewing machine backstitch electromagnet |
| CN203546379U (en) * | 2013-09-28 | 2014-04-16 | 新杰克缝纫机股份有限公司 | De-noising and buffering mechanism for backstitching of sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3125439B2 (en) * | 1992-06-24 | 2001-01-15 | ブラザー工業株式会社 | Reverse rotation solenoid control device of sewing machine |
-
2013
- 2013-09-28 CN CN201310456526.6A patent/CN103510298B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201121250Y (en) * | 2007-07-03 | 2008-09-24 | 宝鸡烽火工模具技术有限公司 | Backstitch electromagnetic control device |
| CN201245755Y (en) * | 2008-07-17 | 2009-05-27 | 西安标准工业股份有限公司 | Industrial sewing machine with tight sewing function |
| CN203144697U (en) * | 2013-03-11 | 2013-08-21 | 新杰克缝纫机股份有限公司 | Sewing machine backstitch electromagnet |
| CN203546379U (en) * | 2013-09-28 | 2014-04-16 | 新杰克缝纫机股份有限公司 | De-noising and buffering mechanism for backstitching of sewing machine |
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| Publication number | Publication date |
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| CN103510298A (en) | 2014-01-15 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant after: JACK SEWING MACHINE CO., LTD. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Applicant before: New Jack Sewing Machine Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: NEW JACK SEWING MACHINE CO., LTD. TO: JACK SEWING CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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. |