CN203546379U - De-noising and buffering mechanism for backstitching of sewing machine - Google Patents
De-noising and buffering mechanism for backstitching of sewing machine Download PDFInfo
- Publication number
- CN203546379U CN203546379U CN201320607931.9U CN201320607931U CN203546379U CN 203546379 U CN203546379 U CN 203546379U CN 201320607931 U CN201320607931 U CN 201320607931U CN 203546379 U CN203546379 U CN 203546379U
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- buffering
- buffer
- shaft
- framework
- iron core
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Abstract
The utility model belongs to the technical field of sewing machines, in particular to a de-noising and buffering mechanism for backstitching of a sewing machine. The de-noising and buffering mechanism comprises a needle pitch adjusting mechanism and a backstitching electromagnet arranged on one side of a feeding adjusting shaft of the needle pitch adjusting mechanism, wherein the backstitching electromagnet comprises a shell part and a framework arranged outside the shell part; a coil is arranged in the shell part; an iron core is inserted into the shell part, and the head and the tail of the iron core extend out of the framework respectively; the head of the iron core is connected with the feeding adjusting shaft; the iron core is connected with a buffering device through a buffering installing bracket; the buffering device is arranged on one side of the framework. In the de-noising and buffering mechanism, a buffering device is arranged, so that part wear is reduced, the service life of the electromagnet is prolonged, and the product quality is improved; a buffering shaft is arranged in a buffering installing base, and a cover plate is arranged, so that the noise of the buffering device can be lowered; the position of a retainer ring on the buffering shaft is adjusted according to a practical buffering requirement in order to change upward and downward buffering effects.
Description
Technical field:
The utility model belongs to sewing machine technique field, refers 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, and it is spacing that feeding regulates double-screw bolt to be carried out needle gage by feed regulator.The structure of electromagnet is: include shell portion and be arranged on the framework outside shell portion, in shell portion, be provided with coil, iron core runs through and is arranged in shell portion and head and afterbody stretch out respectively outside framework; The electromagnet of this structure 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 double-screw bolt 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 purpose of this utility model is to provide the noise reduction buffer gear that a kind of cost Sewing machines low, that reduce noise, reduction impact and parts depreciation backstitches.
The utility model is achieved in that
The noise reduction buffer gear that a kind of Sewing machines backstitches, include needle gage governor motion, be arranged on needle gage governor motion feeding regulating shaft one side backstitch electromagnet, backstitching electromagnet includes shell portion and is arranged on the framework outside shell portion, in shell portion, be provided with coil, iron core runs through and is arranged in shell portion and head and afterbody stretch out respectively outside framework, 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 a side of framework.
Above-mentioned buffer unit is: include buffering mount pad, on buffering mount pad, be 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 parallel iron core of axis of buffer shaft, buffering mount pad is fixed on framework, on buffer shaft in open slot, be provided with back-up ring, between back-up ring and the upper base of open slot, be provided with buffer spring, between the going to the bottom of back-up ring and open slot, be provided with lower buffer spring, buffer shaft moves axially with iron core.
One side of above-mentioned buffering mounting bracket is provided with counterbore, in counterbore, be provided with the hexagon ring of the baseplane of running through counterbore baseplane and buffering mounting bracket, 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, the screwed hole that is provided with the vertical buffer shaft of axis on buffering peace support, screw is screwed onto in screwed hole and buffer shaft is fixed on buffering mounting bracket.
The openend of the open slot of above-mentioned buffering mount pad is provided with cover plate.
One epitaxial lateral overgrowth of the trailing flank of above-mentioned buffering mount pad is stretched installing plate, opposite side is provided with coordinates the fixture block being connected on framework one sidewall with installing plate, outer surface at this sidewall of framework is provided with the electromagnet of falling feeding link plate, and buffering mount pad is arranged on the leading flank of framework, installing plate is arranged on above the electromagnet of falling feeding link plate and by screw, installing plate, the electromagnet of falling feeding link plate is fixed on framework.
The position of above-mentioned back-up ring on buffer shaft is adjustable.
The head shaft of above-mentioned iron core is to being bolted with successively from the bottom to top nut and mandril joint, nut is arranged in the hexagon ring of buffering installing rack, mandril joint is arranged on the baseplane of the counterbore that cushions installing rack, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
The utility model compared to existing technology outstanding advantage is:
1, the buffer unit that the utility model arranges, reduces the impact between iron core and framework, shell portion, reduces noise, reduces parts depreciation, has extended the service life of electromagnet, has improved the quality of product;
2, buffer shaft of the present utility model is arranged in buffering mount pad, and is provided with cover plate, can reduce the noise of buffer unit;
3, the utility model 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 utility model solved feeding regulate double-screw bolt just, while backstitching conversion, can and the feed regulator defect of clashing into, reduced noise.
Accompanying drawing explanation:
Fig. 1 is one of schematic diagram of the present utility model;
Fig. 2 is two of schematic diagram of the present utility model;
Fig. 3 is three of schematic diagram of the present utility model;
Fig. 4 is four of schematic diagram of the present utility model;
Fig. 5 is one of schematic diagram of buffering mounting bracket of the present utility model;
Fig. 6 be buffering mounting bracket of the present utility model schematic diagram two;
Fig. 7 is one of schematic diagram of buffering mount pad of the present utility model;
Fig. 8 be buffering mount pad of the present utility model schematic diagram two;
Fig. 9 is that the utility model is arranged on the schematic diagram on casing.
The specific embodiment:
With specific embodiment, the utility model is further described below, referring to 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, one 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 one sides, backstitching electromagnet includes shell portion 7 and is arranged on the framework 8 outside shell portion 7, in shell portion 7, be provided with coil, iron core 9 runs through and is arranged in shell portion 7 and head and afterbody stretch out respectively outside framework 8, 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 a side of framework 8.
Above-mentioned buffer unit is: include buffering mount pad 11, on buffering mount pad 11, be 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 parallel iron core 9 of axis of buffer shaft 13, buffering mount pad 11 is fixed on framework 8, on buffer shaft 13 in open slot 12, be provided with back-up ring 14, between back-up ring 14 and the upper base of open slot 12, be provided with buffer spring 15, between the going to the bottom of back-up ring 14 and open slot 12, be provided with lower buffer spring 16, buffer shaft 13 moves axially with iron core 9.
One side of above-mentioned buffering mounting bracket 10 is provided with counterbore, in counterbore, be provided with the hexagon ring 18 of the baseplane of running through counterbore baseplane 17 and buffering mounting bracket 10, 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, in buffering, be provided with axis perpendicular to the screwed hole 20 of buffer shaft 13 on mounting bracket 10, screw is screwed onto that screwed hole 20 is interior to be fixed on 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.
One epitaxial lateral overgrowth of the trailing flank of above-mentioned buffering mount pad 11 is stretched and is had installing plate 22, opposite side to be provided with to coordinate the fixture block 23 being connected on framework 8 one sidewalls with installing plate 22, the lateral surface of installing plate 22 is concordant with left surface or the right flank of buffering mount pad 11, outer surface at framework 8 these sidewalls is provided with the electromagnet of falling feeding link plate 24, and buffering mount pad 11 is arranged on the leading flank of framework 8, installing plate 22 is arranged on the electromagnet of falling feeding link plate 21 tops and by screw 25, installing plate 22, the electromagnet of falling feeding link plate 24 is fixed on framework 8.
The position of above-mentioned 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 shaft of above-mentioned iron core 9 is to being bolted with successively from the bottom to top nut 26 and mandril joint 27, 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 that cushions mounting bracket 10, and mandril joint 27 is connected with feeding regulating shaft 1 by backstitching solenoid actuated crank 28.
The utility model 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 utility model; not with this, limit practical range of the present utility model; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.
Claims (7)
1. the noise reduction buffer gear that Sewing machines backstitches, include needle gage governor motion, be arranged on needle gage governor motion feeding regulating shaft one side backstitch electromagnet, backstitching electromagnet includes shell portion and is arranged on the framework outside shell portion, in shell portion, be provided with coil, iron core runs through and is arranged in shell portion and head and afterbody stretch out respectively outside framework, 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 a side of framework.
2. the noise reduction buffer gear that a kind of Sewing machines according to claim 1 backstitches, it is characterized in that: described buffer unit is: include buffering mount pad, on buffering mount pad, be 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 parallel iron core of axis of buffer shaft, buffering mount pad is fixed on framework, on buffer shaft in open slot, be provided with back-up ring, between back-up ring and the upper base of open slot, be provided with buffer spring, between the going to the bottom of back-up ring and open slot, be provided with lower buffer spring, buffer shaft moves axially with iron core.
3. the noise reduction buffer gear that a kind of Sewing machines according to claim 2 backstitches, it is characterized in that: a side of described buffering mounting bracket is provided with counterbore, in counterbore, be provided with the hexagon ring of the baseplane of running through counterbore baseplane and buffering mounting bracket, 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, the screwed hole that is provided with the vertical buffer shaft of axis on buffering peace support, screw is screwed onto in screwed hole and buffer shaft is fixed on buffering mounting bracket.
4. the noise reduction buffer gear that a kind of Sewing machines according to claim 2 backstitches, is characterized in that: the openend of the open slot of described buffering mount pad is provided with cover plate.
5. the noise reduction buffer gear that a kind of Sewing machines according to claim 2 backstitches, it is characterized in that: an epitaxial lateral overgrowth of the trailing flank of described buffering mount pad is stretched installing plate, opposite side is provided with coordinates the fixture block being connected on framework one sidewall with installing plate, outer surface at this sidewall of framework is provided with the electromagnet of falling feeding link plate, and buffering mount pad is arranged on the leading flank of framework, installing plate is arranged on above the electromagnet of falling feeding link plate and by screw, installing plate, the electromagnet of falling feeding link plate is fixed on framework.
6. the noise reduction buffer gear that a kind of Sewing machines according to claim 2 backstitches, is characterized in that: the position of described back-up ring on buffer shaft is adjustable.
7. the noise reduction buffer gear that a kind of Sewing machines according to claim 1 backstitches, it is characterized in that: the head shaft of described iron core is to being bolted with successively from the bottom to top nut and mandril joint, nut is arranged in the hexagon ring of buffering installing rack, mandril joint is arranged on the baseplane of the counterbore that cushions installing rack, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607931.9U CN203546379U (en) | 2013-09-28 | 2013-09-28 | De-noising and buffering mechanism for backstitching of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607931.9U CN203546379U (en) | 2013-09-28 | 2013-09-28 | De-noising and buffering mechanism for backstitching of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546379U true CN203546379U (en) | 2014-04-16 |
Family
ID=50464521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607931.9U Withdrawn - After Issue CN203546379U (en) | 2013-09-28 | 2013-09-28 | De-noising and buffering mechanism for backstitching of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203546379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510298A (en) * | 2013-09-28 | 2014-01-15 | 新杰克缝纫机股份有限公司 | Noise-reduction buffer mechanism for sewing machine backstitch |
| 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 |
-
2013
- 2013-09-28 CN CN201320607931.9U patent/CN203546379U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510298A (en) * | 2013-09-28 | 2014-01-15 | 新杰克缝纫机股份有限公司 | Noise-reduction buffer mechanism for sewing machine backstitch |
| CN103510298B (en) * | 2013-09-28 | 2015-05-27 | 杰克缝纫机股份有限公司 | Noise-reduction buffer mechanism for sewing machine backstitch |
| 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 |
| WO2020015042A1 (en) * | 2018-07-19 | 2020-01-23 | 苏州锴诚缝制设备有限公司 | Noise reduction mechanism for sewing machine electromagnet |
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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. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |