CN203546376U - Buffering mechanism for backstitching of sewing machine - Google Patents
Buffering mechanism for backstitching of sewing machine Download PDFInfo
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- CN203546376U CN203546376U CN201320607738.5U CN201320607738U CN203546376U CN 203546376 U CN203546376 U CN 203546376U CN 201320607738 U CN201320607738 U CN 201320607738U CN 203546376 U CN203546376 U CN 203546376U
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- framework
- spring
- mounting seat
- iron core
- guide post
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Abstract
The utility model belongs to the technical field of sewing machines, in particular to a buffering mechanism for backstitching of a sewing machine. The 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 provided with a spring installing base, and the head of the iron core is connected with the feeding adjusting shaft; buffering springs are arranged between the spring installing base and the framework; one end of each buffering spring is arranged on the framework, and the other end of each buffering spring is arranged on the spring installing base; the buffering springs are used for buffering during extension and retraction actions of the iron core. In the buffering mechanism, the spring installing base is adopted instead of a nut in the original electromagnet, and two groups of buffering springs are arranged between the spring installing base and the framework, so that noise is reduced, and the service life of the electromagnet is prolonged; the buffering mechanism is simple in structure, can be assembled on various electromagnets, and is low in cost.
Description
Technical field:
The utility model belongs to sewing machine technique field, refers in particular to the 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 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 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, the head of described iron core is provided with spring mounting seat, and head is connected with feeding regulating shaft, between spring mounting seat and framework, be provided with buffer spring, one end of buffer spring is arranged on framework, the other end is arranged on spring mounting seat, buffer spring is stretched iron core, during contracting action, play the effect of buffering.
The middle part of above-mentioned spring mounting seat is provided with the screwed hole being spirally connected with the head of iron core, the head of iron core is screwed onto in the screwed hole of spring mounting seat, a side at screwed hole is provided with spring fitting position, opposite side is provided with guide post installing hole, one end of guide post is fixed on framework, the guide post installing hole that the other end stretches out spring mounting seat also can move axially outward in guide post installing hole, at guide post, be set with the first buffer spring outward, one end of the first slow spring is connected on framework, the other end is connected on spring mounting seat, one end of the second buffer spring is arranged in spring fitting position, the other end holds out against on framework.
Above-mentioned spring fitting position is annular groove, and the axis of annular groove is parallel with the axis of iron core, and one end of the second buffer spring is arranged in annular groove and holds out against.
On spring mounting seat outside above-mentioned guide post installing hole, be provided with annular groove, annular groove and guide post installing hole coaxial line, one end of the first buffer spring is fixed in annular groove, the other end holds out against on framework.
One side of above-mentioned spring mounting seat is provided with the screwed hole being spirally connected with the head of iron core, the head of iron core is screwed onto in the screwed hole of spring mounting seat, opposite side is provided with guide post installing hole, one end of guide post is fixed on framework, the guide post installing hole that the other end stretches out spring mounting seat also can move axially outward in guide post installing hole, at guide post, be set with the first buffer spring outward, one end of the first buffer spring is fixed on framework, the other end is fixed on spring mounting seat, the second buffer spring is sleeved on outside iron core, one end holds out against on framework, the other end holds out against on spring mounting seat.
On spring mounting seat outside above-mentioned guide post installing hole, be provided with annular groove, annular groove and guide post installing hole coaxial line, one end of the first buffer spring is fixed in annular groove, the other end is fixed on framework; On spring mounting seat outside screwed hole, be provided with annular groove, annular groove and screwed hole coaxial line, one end of the second buffer spring is arranged in annular groove, the other end holds out against on framework.
The head of above-mentioned iron core stretches out part on spring mounting seat and is connected with and backstitches electromagnet mandril joint, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
Above-mentioned framework is outside equipped with and backstitches feeding electromagnet link plate for what electromagnet was installed.
The advantage that the utility model is given prominence to is compared to existing technology:
1, the utility model is replaced the nut in original electromagnet by spring mounting seat, two groups of buffer springs that arrange between spring mounting seat and framework, the shocks such as electromagnetic core and framework, shell portion have been reduced, reduce parts depreciation, reduce noise, extend the service life of electromagnet, improved the quality of product;
2, the utility model is simple in structure, can fit on various electromagnet, and cost is low;
3, the utility model solved feeding regulate double-screw bolt just, backstitch when conversion, can and the feed regulator defect of clashing into, reduced noise.
Accompanying drawing explanation:
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is one of schematic diagram of spring mounting seat of the present utility model;
Fig. 3 be spring mounting seat of the present utility model schematic diagram two;
Fig. 4 is that the utility model is arranged on the schematic diagram on chassis backplane.
The specific embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-4:
The 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 provided with spring mounting seat 10, and head is connected with feeding regulating shaft 1, between spring mounting seat 10 and framework 8, be provided with buffer spring, one end of buffer spring is arranged on framework 8, the other end is arranged on spring mounting seat 10, buffer spring is stretched iron core, during contracting action, play the effect of buffering.
The middle part of above-mentioned spring mounting seat 10 is provided with the screwed hole 11 being spirally connected with the head of iron core 9, the head of iron core 9 is screwed onto in the screwed hole 11 of spring mounting seat 10, a side at screwed hole 11 is provided with spring fitting position, opposite side is provided with guide post installing hole 12, one end of guide post 13 is fixed on framework 8, the guide post installing hole 12 that the other end stretches out spring mounting seat 10 also can move axially outward in guide post installing hole 12, outside guide post 13, be set with the first buffer spring 14, one end of the first buffer spring 14 is connected on framework 8, the other end is connected on spring mounting seat 10, one end of the second buffer spring 15 is arranged in spring fitting position, the other end holds out against on framework 8.The first buffer spring 14 is opened in overhanging at the head of iron core 9, the effect of playing buffering to reciprocal power, and the second buffer spring 15 to compressed when inside contracting, plays the effect of buffering to a reciprocal power at the head of iron core 9.
Above-mentioned spring fitting position is annular groove 16, and the axis of annular groove 16 is parallel with the axis of iron core 9, and one end of the second buffer spring 15 is arranged in annular groove 16 and holds out against.
On spring mounting seat 10 outside above-mentioned guide post installing hole 12, be provided with annular groove 17, annular groove 17 and guide post installing hole 12 coaxial lines, one end of the first buffer spring 15 is connected in annular groove 17, the other end is connected on framework 8.
The structure of above-mentioned spring mounting seat is still: in a side of spring mounting seat 10, be provided with the screwed hole 11 being spirally connected with the head of iron core 9, the head of iron core 9 is screwed onto in the screwed hole 11 of spring mounting seat 10, opposite side is provided with guide post installing hole 12, one end of guide post 13 is fixed on framework 8, the guide post installing hole 12 that the other end stretches out spring mounting seat 10 also can move axially outward in guide post installing hole 12, outside guide post 13, be set with the first buffer spring 14, one end of the first buffer spring 14 is connected on framework 8, the other end is connected on spring mounting seat 10, now, the second buffer spring is sleeved on outside iron core 9, one end holds out against on framework 8, the other end holds out against on spring mounting seat 10, correspondingly, on spring mounting seat 10 outside guide post installing hole 12, be provided with annular groove 17, annular groove 17 and guide post installing hole 12 coaxial lines, one end of the first buffer spring 14 is connected in annular groove 17, the other end is connected on framework 8, on spring mounting seat 10 outside screwed hole 11, be provided with annular groove, annular groove and screwed hole coaxial line, one end of the second buffer spring is arranged in annular groove, the other end holds out against on framework 8.
The head of above-mentioned iron core 9 stretches out part on spring mounting seat 10 and is connected with and backstitches electromagnet mandril joint 18, and mandril joint 18 is connected with feeding regulating shaft 1 by backstitching solenoid actuated crank 19.
Above-mentioned framework 8 is outside equipped with and backstitches feeding electromagnet link plate 20 for what electromagnet was installed.Electromagnet is fixed on chassis backplane 21 by backstitching feeding electromagnet link plate 20.
The first buffer spring 14 and second buffer spring 15 of the utility model setting can cushion the expanding-contracting action of iron core 9, alleviated the nut of the head of iron core 9 in original structure and framework 8 collides and electromagnet in iron core 9 round table surface and electromagnetism iron-clad portion 7 madial walls speed and the dynamics of clashing into, solved feeding regulate double-screw bolt just, backstitch when conversion, the defect that can clash into feed regulator, reduced noise, reduce parts depreciation, extended the service life of electromagnet.
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 (8)
1. the 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 provided with spring mounting seat, and head is connected with feeding regulating shaft, between spring mounting seat and framework, be provided with buffer spring, one end of buffer spring is arranged on framework, the other end is arranged on spring mounting seat, buffer spring is stretched iron core, during contracting action, play the effect of buffering.
2. the buffer gear that a kind of Sewing machines according to claim 1 backstitches, it is characterized in that: the middle part of described spring mounting seat is provided with the screwed hole being spirally connected with the head of iron core, the head of iron core is screwed onto in the screwed hole of spring mounting seat, a side at screwed hole is provided with spring fitting position, opposite side is provided with guide post installing hole, one end of guide post is fixed on framework, the guide post installing hole that the other end stretches out spring mounting seat also can move axially outward in guide post installing hole, at guide post, be set with the first buffer spring outward, one end of the first slow spring is connected on framework, the other end is connected on spring mounting seat, one end of the second buffer spring is arranged in spring fitting position, the other end holds out against on framework.
3. the buffer gear that a kind of Sewing machines according to claim 2 backstitches, is characterized in that: described spring fitting position is annular groove, and the axis of annular groove is parallel with the axis of iron core, and one end of the second buffer spring is arranged in annular groove and holds out against.
4. the buffer gear that a kind of Sewing machines according to claim 2 backstitches, it is characterized in that: on the spring mounting seat outside described guide post installing hole, be provided with annular groove, annular groove and guide post installing hole coaxial line, one end of the first buffer spring is fixed in annular groove, the other end holds out against on framework.
5. the buffer gear that a kind of Sewing machines according to claim 1 backstitches, it is characterized in that: a side of described spring mounting seat is provided with the screwed hole being spirally connected with the head of iron core, the head of iron core is screwed onto in the screwed hole of spring mounting seat, opposite side is provided with guide post installing hole, one end of guide post is fixed on framework, the guide post installing hole that the other end stretches out spring mounting seat also can move axially outward in guide post installing hole, at guide post, be set with the first buffer spring outward, one end of the first buffer spring is fixed on framework, the other end is fixed on spring mounting seat, the second buffer spring is sleeved on outside iron core, one end holds out against on framework, the other end holds out against on spring mounting seat.
6. the buffer gear that a kind of Sewing machines according to claim 5 backstitches, it is characterized in that: on the spring mounting seat outside described guide post installing hole, be provided with annular groove, annular groove and guide post installing hole coaxial line, one end of the first buffer spring is fixed in annular groove, the other end is fixed on framework; On spring mounting seat outside screwed hole, be provided with annular groove, annular groove and screwed hole coaxial line, one end of the second buffer spring is arranged in annular groove, the other end holds out against on framework.
7. the buffer gear backstitching according to a kind of Sewing machines described in claim 2 or 5, it is characterized in that: the head of described iron core stretches out part on spring mounting seat and is connected with and backstitches electromagnet mandril joint, and mandril joint is connected with feeding regulating shaft by backstitching solenoid actuated crank.
8. the buffer gear that a kind of Sewing machines according to claim 1 backstitches, is characterized in that: described framework is outside equipped with and backstitches feeding electromagnet link plate for what electromagnet was installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607738.5U CN203546376U (en) | 2013-09-28 | 2013-09-28 | Buffering mechanism for backstitching of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320607738.5U CN203546376U (en) | 2013-09-28 | 2013-09-28 | Buffering mechanism for backstitching of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546376U true CN203546376U (en) | 2014-04-16 |
Family
ID=50464518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320607738.5U Expired - Fee Related CN203546376U (en) | 2013-09-28 | 2013-09-28 | Buffering mechanism for backstitching of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203546376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518364A (en) * | 2019-01-14 | 2019-03-26 | 安徽杰羽制鞋机械科技有限公司 | A kind of needle gage of sewing machine adjusts and falls automatically feeding structure |
-
2013
- 2013-09-28 CN CN201320607738.5U patent/CN203546376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518364A (en) * | 2019-01-14 | 2019-03-26 | 安徽杰羽制鞋机械科技有限公司 | A kind of needle gage of sewing machine adjusts and falls automatically feeding 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20200928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |