CN204702920U - A kind of novel sewing-machine foot and anti-Bird's Nest device - Google Patents
A kind of novel sewing-machine foot and anti-Bird's Nest device Download PDFInfo
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- CN204702920U CN204702920U CN201520379908.8U CN201520379908U CN204702920U CN 204702920 U CN204702920 U CN 204702920U CN 201520379908 U CN201520379908 U CN 201520379908U CN 204702920 U CN204702920 U CN 204702920U
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- presser feet
- sewing
- wire casing
- insert groove
- machine foot
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Abstract
The utility model belongs to sewing machine technique field, refer in particular to a kind of novel sewing-machine foot, and the anti-Bird's Nest device utilizing this presser feet to realize, sewing-machine foot comprises presser feet head and is hinged on bottom the presser feet bottom presser feet head, the middle part of presser feet bottom front offers wire casing, the side close to inner place of described wire casing offers insert groove, is provided with blade in insert groove.The blade of sewing-machine foot is molded directly within bottom presser feet, and its structure is simple, safe and reliable, with low cost; In addition, by the outer end of insert groove being opened in locating close to inner of wire casing, it makes in the process of making, and upper sewing thread can not enter in insert groove, thus avoids by the hidden danger of cutting off.
Description
Technical field
The utility model belongs to sewing machine technique field, refers in particular to a kind of novel sewing-machine foot, and the anti-Bird's Nest device utilizing this presser feet to realize.
Background technology
ZL 201420621676.8 discloses the band thread cutter concora crush pin of the anti-Bird's Nest device of a kind of computer flat sewing machine, it can prevent the phenomenon occurring Bird's Nest when stitching preferably, but, there is following shortcoming in its sewing-machine foot: 1, complex structure, need the side bottom presser feet to form blade insertion groove, and load blade; 2, the blade of blade is set directly at the inner place of wire casing, causes in the process of making, cloth under the effect of work feed tooth after move, the upper sewing thread of cloth can enter insert groove and be cut off by blade.
Utility model content
It is simple that the purpose of this utility model is to provide a kind of structure, safe and reliable, can prevent the novel sewing-machine foot of Bird's Nest phenomenon when playing seam, and the anti-Bird's Nest device utilizing this presser feet to realize.
The purpose of this utility model is achieved in that
A novel sewing-machine foot, comprise presser feet head and be hinged on bottom the presser feet bottom presser feet head, the middle part of presser feet bottom front offers wire casing, and the side close to inner place of described wire casing offers insert groove, is provided with blade in insert groove.
Described insert groove is bar hole, and the outer end UNICOM of bar hole is to the side of wire casing, and the inner of bar hole extends to the presser feet bottom center on rear side of wire casing the inner.
Described blade is metallic article, and blade is molded in bottom presser feet.
The middle part of described presser feet head lower end is provided with spring mounting hole, and bottom presser feet, the middle part of rear side is provided with lower spring installing hole, and the two ends of a spring are against in upper and lower spring mounting hole respectively.
The anti-Bird's Nest device of novel Sewing machines, the foot lifting mechanism of Sewing machines is provided with and hooks line apparatus and described sewing-machine foot; When playing gap-like state, hooking line apparatus and catch on sewing thread and its side direction is drawn in described insert groove.
Also comprise vacuum noz(zle), its be arranged on hook line apparatus side and for sucking the end of a thread cut.
The utility model gives prominence to compared to existing technology and useful technique effect is: the blade of sewing-machine foot is molded directly within bottom presser feet, and its structure is simple, safe and reliable, with low cost; In addition, by the outer end of insert groove being opened in locating close to inner of wire casing, it makes in the process of making, and upper sewing thread can not enter in insert groove, thus avoids by the hidden danger of cutting off.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of sewing-machine foot.
Fig. 2 is the top view of sewing-machine foot.
Fig. 3 is the internal structure schematic diagram of sewing-machine foot.
In figure: 1-presser feet head; 2-jointed shaft; 3-blade; 4-insert groove; 5-wire casing; 6-is inner; Bottom 7-presser feet; 8-spring; 9-hinders line portion.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
A kind of novel sewing-machine foot, to comprise bottom presser feet head 1 and the presser feet be hinged on bottom presser feet head 7, bottom presser feet, the middle part of 7 front ends offers wire casing 5, the side close to inner 6 places of described wire casing 5 offers insert groove 4, blade 3 is provided with in insert groove 4, make in the process of making, hook line apparatus catch on sewing thread and its side direction is drawn in described insert groove, make in process in follow-up, upper sewing thread can be stopped by resistance line portion 9 can not enter insert groove (the formation resistance line portion 9, junction of insert groove 4 and wire casing 5, certain distance is provided with) between the top in resistance line portion 9 and wire casing the inner 6, thus avoid by the hidden danger of cutting off.
Described insert groove 4 is bar hole, the outer end UNICOM of bar hole to wire casing 5 side (namely, the outer end of insert groove non-immediate UNICOM are to wire casing the inner 6, but UNICOM locates to close to wire casing the inner, thus make the junction of insert groove 4 and wire casing 5 form the resistance line portion 9 that goes out of point slightly), the inner of bar hole extends to the presser feet bottom center of the inner rear side of wire casing 5.
Described blade 3 is metallic article, and blade 3 to be molded over bottom presser feet in 7, and bottom presser feet, 7 is plastic part, directly by coated for blade in it when it is shaping, reliable and stable, with low cost.
The middle part of described presser feet head 1 lower end is provided with spring mounting hole, and bottom presser feet, the middle part of rear side is provided with lower spring installing hole, and the two ends of a spring 8 are against in upper and lower spring mounting hole respectively.
The anti-Bird's Nest device of novel Sewing machines, the foot lifting mechanism of Sewing machines is provided with and hooks line apparatus and described sewing-machine foot; When playing gap-like state, hooking line apparatus and catch on sewing thread and its side direction is drawn in described insert groove.
Also comprise vacuum noz(zle), its be arranged on hook line apparatus side and for sucking the end of a thread cut.
Need point out, hook line apparatus herein and vacuum noz(zle) are prior art, therefore its concrete structure is not described in detail in detail.Vacuum noz(zle) is mounted in and hooks on line apparatus, and valve just to the hook portion hooking line apparatus, then when hooking line next time, only need control air pump and give vacuum noz(zle) an instantaneous negative pressure.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (6)
1. a novel sewing-machine foot, comprise presser feet head and be hinged on bottom the presser feet bottom presser feet head, the middle part of presser feet bottom front offers wire casing, it is characterized in that, the side close to inner place of described wire casing offers insert groove, is provided with blade in insert groove.
2. a kind of novel sewing-machine foot wire casing according to claim 1, it is characterized in that, described insert groove is bar hole, and the outer end UNICOM of bar hole is to the side of wire casing, and the inner of bar hole extends to the presser feet bottom center on rear side of wire casing the inner.
3. a kind of novel sewing-machine foot according to claim 1, is characterized in that, described blade is metallic article, and blade is molded in bottom presser feet.
4. a kind of novel sewing-machine foot according to claim 1, it is characterized in that, the middle part of described presser feet head lower end is provided with spring mounting hole, and bottom presser feet, the middle part of rear side is provided with lower spring installing hole, and the two ends of a spring are against in upper and lower spring mounting hole respectively.
5. the anti-Bird's Nest device of novel Sewing machines, is characterized in that, the foot lifting mechanism of Sewing machines is provided with and hooks line apparatus and sewing-machine foot according to claim 1; When playing gap-like state, hooking line apparatus and catch on sewing thread and its side direction is drawn in described insert groove.
6. the anti-Bird's Nest device of a kind of novel Sewing machines according to claim 5, is characterized in that, also comprise vacuum noz(zle), its be arranged on hook line apparatus side and for sucking the end of a thread cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379908.8U CN204702920U (en) | 2015-06-04 | 2015-06-04 | A kind of novel sewing-machine foot and anti-Bird's Nest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379908.8U CN204702920U (en) | 2015-06-04 | 2015-06-04 | A kind of novel sewing-machine foot and anti-Bird's Nest device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204702920U true CN204702920U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520379908.8U Active CN204702920U (en) | 2015-06-04 | 2015-06-04 | A kind of novel sewing-machine foot and anti-Bird's Nest device |
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| CN (1) | CN204702920U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420938A (en) * | 2015-12-29 | 2016-03-23 | 杰克缝纫机股份有限公司 | Bird nest removing quick blade replacing blade-attached presser foot for sewing machine |
| CN105463712A (en) * | 2015-12-25 | 2016-04-06 | 杰克缝纫机股份有限公司 | Presser foot of sewing machine |
| CN105544098A (en) * | 2016-01-27 | 2016-05-04 | 强信机械科技(莱州)有限公司 | Thread ball preventing device for sewing machine |
| CN106048910A (en) * | 2016-07-19 | 2016-10-26 | 苏州美山子制衣有限公司 | Presser foot of single-needle sewing machine |
| CN108374246A (en) * | 2018-04-02 | 2018-08-07 | 强信机械科技(莱州)有限公司 | A kind of anti-Bird's Nest device of use in sewing machine |
| WO2019101033A1 (en) * | 2017-11-27 | 2019-05-31 | 强信机械科技(莱州)有限公司 | Sewing machine and bird's nest prevention device thereof, and sewing machine presser foot |
-
2015
- 2015-06-04 CN CN201520379908.8U patent/CN204702920U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463712A (en) * | 2015-12-25 | 2016-04-06 | 杰克缝纫机股份有限公司 | Presser foot of sewing machine |
| CN105420938A (en) * | 2015-12-29 | 2016-03-23 | 杰克缝纫机股份有限公司 | Bird nest removing quick blade replacing blade-attached presser foot for sewing machine |
| CN105420938B (en) * | 2015-12-29 | 2019-02-22 | 杰克缝纫机股份有限公司 | A kind of sewing machine removes Bird's Nest rapid changing knife band knife presser feet |
| CN105544098A (en) * | 2016-01-27 | 2016-05-04 | 强信机械科技(莱州)有限公司 | Thread ball preventing device for sewing machine |
| CN106048910A (en) * | 2016-07-19 | 2016-10-26 | 苏州美山子制衣有限公司 | Presser foot of single-needle sewing machine |
| CN106048910B (en) * | 2016-07-19 | 2019-01-01 | 苏州美山子制衣有限公司 | A kind of presser feet of single needle sewing machine |
| WO2019101033A1 (en) * | 2017-11-27 | 2019-05-31 | 强信机械科技(莱州)有限公司 | Sewing machine and bird's nest prevention device thereof, and sewing machine presser foot |
| CN108374246A (en) * | 2018-04-02 | 2018-08-07 | 强信机械科技(莱州)有限公司 | A kind of anti-Bird's Nest device of use in sewing machine |
| CN108374246B (en) * | 2018-04-02 | 2023-11-28 | 强信机械科技(莱州)有限公司 | Bird nest preventing device for sewing machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |