CN202945439U - Sewing machine thread trimmer with function of elastically positioning bottom thread ends - Google Patents
Sewing machine thread trimmer with function of elastically positioning bottom thread ends Download PDFInfo
- Publication number
- CN202945439U CN202945439U CN 201220601638 CN201220601638U CN202945439U CN 202945439 U CN202945439 U CN 202945439U CN 201220601638 CN201220601638 CN 201220601638 CN 201220601638 U CN201220601638 U CN 201220601638U CN 202945439 U CN202945439 U CN 202945439U
- Authority
- CN
- China
- Prior art keywords
- thread
- line
- movable blade
- bottom line
- blade body
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a sewing machine thread trimmer with a function of elastically positioning bottom thread ends. The sewing machine thread trimmer with the function of elastically positioning the bottom thread ends comprises a movable knife body, and further comprises an elastic thread clamp, wherein one end of the movable knife body is provided with at least one mounting hole, and the other end of the movable knife body is provided with a thread trimming protrusion, an opening groove is placed on the movable knife body, and the elastic thread clamp is placed on the back side of the movable knife body, used for positioning the bottom thread ends, and placed in the opening groove. The bottom thread ends are tightly clamped and positioned through the elastic thread clamp, and therefore the positioning problem of the bottom thread ends can be effectively solved, the sewing machine can accurately find the bottom thread ends when sewing next time, and the off-thread phenomenon can be avoided. The sewing machine thread trimmer with the function of elastically positioning the bottom thread ends is simple in structure, reasonable in design, strong in practicability, free of re-doing of sewing products, high in pass percent of finish products and business economic benefit, and accordingly practical, and has wide industrial use value.
Description
Technical field
The utility model relates to a kind of Sewing machines thread trimmer, more particularly, relates to a kind of Sewing machines thread trimmer that elasticity is located bottom line the end of a thread function that has.
Background technology
generally be provided with an automatic thread trimming device on existing sewing machine needle board, this cutting facility is to be made of a dead knife and a movable blade, described movable blade can to dead knife near or move away from direction, this movable blade can catch on upper thread and bottom line, and by movable blade and staggered the working in coordination with of dead knife, line is cut off, yet, existing cutting facility is generally after cutting off bottom line, can't position bottom line the end of a thread, cause bottom line the end of a thread position uncertain, Sewing machines can't find bottom line the end of a thread next time accurately when sewing, the off-line phenomenon easily appears, cause the rework rate of product high, the qualification rate of finished product is low, operating efficiency is also very low simultaneously, cause cost of labor high, production cost is high, Business Economic Benefit is low.Therefore, industry is all by every possible means being improved this cutting facility, makes that the Sewing machines action is more smooth and easy, effect is better, thereby reduces costs, and develops scheme.Well known, make little by little little change on thread trimmer slight on Sewing machines, all must need the cost long time to go experiment experiment again, design is design again, so, even the little change a little of the thread trimmer of Sewing machines neither have the knack of that this operator can reach easily.
application number be 2011209297904.7 by name " a kind of trimming wire-clamping devices " but patent application document a kind of trimming wire-clamping device of clamping bottom line the end of a thread is disclosed, it discloses a kind of elasticity clamp body that is fixedly installed on needle plate, the front portion of rotating end by cutting blade is shaped with the line section of pushing away that matches with elasticity clamp body, match with cutter head when wire shear part the line cut-out of tension, the end of a thread of bottom line just is clamped and fixed in and rotates between end and elasticity clamp body, thereby realize the location to bottom line the end of a thread, yet this complex structure, and be difficult to obtain the effect of desirable clamping bottom line the end of a thread, successful clamping bottom line easily appears not having.
This shows, above-mentioned existing cutting facility obviously still has inconvenience and defective, and demands urgently further being improved.The problem that exists in order to solve described trimming blade, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, and this is obviously the problem that the anxious wish of relevant dealer solves.
The utility model content
The purpose of this utility model is to overcome defects of the prior art, and provide a kind of and can locate reliably bottom line the end of a thread, and Sewing machines thread trimmer with elasticity location bottom line the end of a thread function simple in structure, reasonable in design.
For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of Sewing machines thread trimmer that elasticity is located bottom line the end of a thread function that has is provided, comprise the movable blade body, one end of described movable blade body is provided with an installing hole at least, the other end of this movable blade body is provided with the trimming projection, described movable blade body is provided with an open slot, also comprises being installed in the elastic wire clamp that the movable blade body back side is used for location bottom line the end of a thread, and this elastic wire clamp is positioned at open slot.
The line that described open slot front end is provided with one "＜" type catches opening, make progress bending and the extension of described the first jig arm front end contacts with the upper surface that line catches upper opening portion, the upper surface that described the second downward bending of jig arm front end and extension and line catch lower opening portion fits, and the elastic wire clamp front end is formed with line catch "＜" type opening that opening adapts.
Described movable blade body one end also is provided with a perforate, and this perforate and trimming bossing are overlapping, makes the trimming projection form a trimming breach near a side of open slot.
beneficial effect with Sewing machines thread trimmer of elasticity location bottom line the end of a thread function described in the utility model is: by being provided with an open slot at described movable blade body, the movable blade body back side is connected with an elastic wire clamp for location bottom line the end of a thread, this elastic wire clamp is positioned at open slot, during trimming, the movable blade body moves to the dead knife direction, motion along with the movable blade body, line seizure opening is caught upper thread and the bottom line receipts at pin hole place, and bottom line is clamped in elastic wire clamp, interlocking by movable blade and dead knife makes protruding the matching with dead knife of trimming that upper thread and bottom line are cut off, this moment, the end of a thread of bottom line was still stayed in described elastic wire clamp, realized the location of bottom line the end of a thread, Sewing machines can accurately find bottom line the end of a thread next time when sewing, have reasonable in design, technique is simple, effectively avoided off-line, improve the qualification rate of finished product.
Be provided with a perforate by described movable blade body one end, this perforate and trimming bossing are overlapping, make trimming projection one side form a trimming breach, the chip that produces during trimming landing from perforate, avoid chip to be accumulated on thread trimmer and impact is used, the cleaning that can keep thread trimmer has extended service life of thread trimmer.
In sum, the utlity model has simple in structure, reasonable in design, practical, can effectively solve bottom line the end of a thread orientation problem, Sewing machines can accurately find bottom line the end of a thread next time when sewing, and the off-line phenomenon can not occur, make that Sewing machines action is more smooth and easy, effect is better, product need not to do over again, and the qualification rate of finished product is high, and Business Economic Benefit is high, thereby more be suitable for practicality, have the extensive value of industry.
Below in conjunction with drawings and Examples, the Sewing machines thread trimmer with elasticity location bottom line the end of a thread function described in the utility model is described further.
Description of drawings
Fig. 1 is the structural representation that elasticity is located the Sewing machines thread trimmer of bottom line the end of a thread function that has described in the utility model;
Fig. 2 is the movable blade body construction schematic diagram that elasticity is located the Sewing machines thread trimmer of bottom line the end of a thread function that has described in the utility model;
Fig. 3 is the elastic wire clamp structural representation that elasticity is located the Sewing machines thread trimmer of bottom line the end of a thread function that has described in the utility model.
The specific embodiment
Below the preferred example with Sewing machines thread trimmer of elasticity location bottom line the end of a thread function described in the utility model, therefore do not limit protection domain of the present utility model.
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of Sewing machines thread trimmer that elasticity is located bottom line the end of a thread function that has is provided, comprise movable blade body 1, one end of described movable blade body 1 is provided with an installing hole 2 at least, the other end of this movable blade body 1 is provided with trimming projection 3, described movable blade body 1 is provided with an open slot 4, also comprises being installed in the elastic wire clamp 5 that movable blade body 1 back side is used for location bottom line the end of a thread, and this elastic wire clamp 5 is positioned at open slot 4.
Described elastic wire clamp 5 is by arc clamp 51, and the first jig arm 52 that is fixedly connected with arc clamp 51 and mutually clamps, the second jig arm 53 consist of, and the front portion of described the first jig arm 52 and the second jig arm 53 is arranged in open slot 4; This elastic wire clamp 5 is used for location bottom line the end of a thread, can accurately find bottom line the end of a thread when Sewing machines is sewed, and has avoided off-line.
The line that described open slot 4 front ends are provided with one "＜" type catches opening 6, described the first jig arm 52 front ends upper surface that bending and extension and line catch opening 6 tops that makes progress contacts, the upper surface that described the second jig arm 53 downward bendings of front end and extension and line catch opening 6 bottoms fits, elastic wire clamp 5 front ends are formed with line catch "＜" type opening 54 that opening 6 adapts, guaranteeing that movable blade body 1 is received the upper thread at pin hole place and bottom line together catches, and bottom line is clamped in elastic wire clamp 5.During trimming, movable blade body 1 is to moving near the dead knife direction, bottom line catches opening 6 and enters in elastic wire clamp 5 via line and positions, after bottom line is cut off, bottom line the end of a thread is still stayed in elastic wire clamp, can accurately find bottom line the end of a thread when Sewing machines is sewed next time, has effectively avoided off-line, make stitched products need not to do over again, improve the qualification rate of finished product.
described movable blade body 1 one ends also are provided with a perforate 7, this perforate 7 overlaps with trimming projection 3, make trimming projection 3 form a trimming breach 8 near a side of open slot 4, during trimming, movable blade body 1 is to drawing close near the dead knife direction, thereby make movable blade body 1 and dead knife staggered, match with dead knife by trimming projection 3 line is cut off in trimming breach 8, this moment, the end of a thread of bottom line was still stayed in described locating slot, and line chip landing from perforate 7 that trimming produces, have reasonable in design, technique is simple, the advantage that has extended the service life of thread trimmer
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (4)
1. one kind has the Sewing machines thread trimmer that elasticity is located bottom line the end of a thread function, comprise movable blade body (1), one end of described movable blade body (1) is provided with an installing hole (2) at least, the other end of this movable blade body (1) is provided with trimming projection (3), it is characterized in that, described movable blade body (1) is provided with an open slot (4), also comprise being installed in the elastic wire clamp (5) that movable blade body (1) back side is used for location bottom line the end of a thread, this elastic wire clamp (5) is arranged in open slot (4).
2. the Sewing machines thread trimmer with elasticity location bottom line the end of a thread function according to claim 1, it is characterized in that, described elastic wire clamp (5) is by arc clamp (51), the first jig arm (52) that is fixedly connected with arc clamp (51) and mutually clamps, the second jig arm (53) consist of, and the front portion of described the first jig arm (52) and the second jig arm (53) is positioned at open slot (4).
3. the Sewing machines thread trimmer with elasticity location bottom line the end of a thread function according to claim 2, it is characterized in that, described open slot (4) front end is provided with line and catches opening (6), it is "＜" type that this line catches opening (6), described the first jig arm (52) front end upper surface that bending and extension and line catch opening (6) top that makes progress contacts, the upper surface that described the second jig arm (53) front end bends downwards and extension and line catch opening (6) bottom fits, elastic wire clamp (5) front end is formed with line catch "＜" type opening (54) that opening (6) adapts.
4. the Sewing machines thread trimmer with elasticity location bottom line the end of a thread function according to claim 1, it is characterized in that, described movable blade body (1) one end also is provided with a perforate (7), this perforate (7) overlaps with trimming projection (3), makes trimming projection (3) form a trimming breach (8) near a side of open slot (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601638 CN202945439U (en) | 2012-11-15 | 2012-11-15 | Sewing machine thread trimmer with function of elastically positioning bottom thread ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601638 CN202945439U (en) | 2012-11-15 | 2012-11-15 | Sewing machine thread trimmer with function of elastically positioning bottom thread ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202945439U true CN202945439U (en) | 2013-05-22 |
Family
ID=48421146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601638 Withdrawn - After Issue CN202945439U (en) | 2012-11-15 | 2012-11-15 | Sewing machine thread trimmer with function of elastically positioning bottom thread ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202945439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953239A (en) * | 2012-11-15 | 2013-03-06 | 东莞市名菱工业自动化科技有限公司 | Sewing machine thread trimmer with elastic positioning function of base thread end |
-
2012
- 2012-11-15 CN CN 201220601638 patent/CN202945439U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953239A (en) * | 2012-11-15 | 2013-03-06 | 东莞市名菱工业自动化科技有限公司 | Sewing machine thread trimmer with elastic positioning function of base thread end |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106567200B (en) | A kind of automatic receipts shearing machine of clothing cloth bunchiness cut-parts | |
| CN201770847U (en) | Flat sewing machine with templates | |
| CN202945439U (en) | Sewing machine thread trimmer with function of elastically positioning bottom thread ends | |
| CN202945438U (en) | Sewing machine thread trimmer with function of elastically positioning bottom thread ends | |
| CN102953239B (en) | Sewing machine thread trimmer with elastic positioning function of base thread end | |
| CN201113185Y (en) | Continuous peeling and beating automatic pressing machine | |
| CN102953238B (en) | Sewing machine combined-type thread trimmer with base thread end positioning function | |
| CN208219152U (en) | A kind of trimming thread ends control mechanism of sewing machine | |
| CN205368712U (en) | Sewing machine trimming structure | |
| CN202945437U (en) | Sewing machine combined-type thread trimmer with function of elastically positioning bottom thread ends | |
| CN110983654B (en) | Washing mark machine | |
| CN219280223U (en) | Sewing machine movable knife structure and thread cutting device thereof | |
| CN212388183U (en) | Thread trimming mechanism and sewing machine with same | |
| CN115434083A (en) | Sewing machine movable cutter structure and thread cutting device thereof | |
| CN212582134U (en) | Cutting device of quilting machine | |
| CN202347263U (en) | Thread cutting mechanism of round head buttonholing machine | |
| CN102953240A (en) | Sewing machine thread trimmer with base thread end positioning function | |
| CN202202122U (en) | Thread trimming and clamping device | |
| CN100334285C (en) | Surface thread cut-off device for sewing fillet machine | |
| CN205275900U (en) | Sewing machine removes quick tool changing area sword presser foot of bird's nest | |
| CN203866620U (en) | Cloth automatic cutting device | |
| CN210368245U (en) | Double paillette slicing device | |
| CN202482614U (en) | Wear-resisting movable cutter | |
| CN210438945U (en) | Needle plate assembly and sewing machine with same | |
| CN209717809U (en) | A kind of elastic band preshrunk cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |