CN207313885U - A kind of sewing machine line cutting device - Google Patents
A kind of sewing machine line cutting device Download PDFInfo
- Publication number
- CN207313885U CN207313885U CN201721237497.4U CN201721237497U CN207313885U CN 207313885 U CN207313885 U CN 207313885U CN 201721237497 U CN201721237497 U CN 201721237497U CN 207313885 U CN207313885 U CN 207313885U
- Authority
- CN
- China
- Prior art keywords
- upper cutter
- connecting rod
- hinged
- cutter
- tangent line
- 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.)
- Expired - Fee Related
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- Sewing Machines And Sewing (AREA)
Abstract
It the utility model is related to a kind of sewing machine line cutting device, including upper cutter unit, lower cutter unit and driving unit；Upper cutter unit includes upper cutter, upper cutter seat and upper cutter connecting rod, upper cutter is fixed on one end of upper cutter seat, and upper cutter seat is hinged on pin, and pin is fixed on casing, the end of upper cutter seat and one end of upper cutter connecting rod are hinged, and the other end and the driving unit of upper cutter connecting rod are hinged.When tangent line driving crank in the utility model is swung, lower cutter connecting rod drives incision tool apron and affixed lower cutter on it to rotate about axle center and rotated, upper cutter connecting rod drives upper cutter seat and affixed upper cutter on it to be rotated around pin rotating shaft center, upper cutter and lower cutter are at the same time around axis swing, two cutters are carried out at the same time movement during tangent line, and the end of a thread that tangent position is retained in behind eedle center, tangent line on cloth is shorter, without manual pruning the end of a thread after tangent line.
Description
Technical field
It the utility model is related to sewing machine technique field, and in particular to a kind of sewing machine line cutting device.
Background technology
In the prior art, the thread cutter of sewing machine is completed when completing thread cutting action generally with stationary knife and moving knife,
Stationary knife is fixed on casing, and apart from eedle center farther out, therefore in tangent line, tangent position also can be accordingly away from eedle
The heart, after so causing tangent line, the end of a thread being retained on cloth is long, after the completion of sewing, it is necessary to specially with scissors again to the end of a thread
Trimmed, add sewing process, while also aggravated the work load of operator.
Authorize in the patent in Publication No. CN205741535U and disclose a kind of thread cutter of sewing machine, its upper cutter
Unit includes upper cutter seat, guide holder and transmission component, and in shear history, lower cutter unit rotates around axle center, and
Upper cutter unit moves along a straight line, its is complicated, and cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of sewing machine line cutting device, make upper cutter unit and lower cutter unit around
Axis swing, more close to trimming position, the end of a thread being retained on cloth is shorter.
To achieve the above object, there is provided following technical solution：The utility model provides a kind of sewing machine line cutting device, including
Upper cutter unit, lower cutter unit and driving unit；The upper cutter unit includes upper cutter, upper cutter seat and upper cutter and connects
Bar, the upper cutter are fixed on one end of the upper cutter seat, and the upper cutter seat is hinged on pin, and the pin is fixed on machine
On shell, the end of the upper cutter seat and one end of the upper cutter connecting rod are hinged, the other end of the upper cutter connecting rod and institute
Driving unit is stated to be hinged.
Preferably, the driving unit includes adjustment pin and tangent line driving crank, and one end of the adjustment pin is with above cutting
The end of knife connecting rod is hinged, and the other end is fixed on the tangent line driving crank and position is adjustable.
Preferably, the tangent line driving crank is hinged on casing.
Preferably, the lower cutter unit includes lower cutter, incision tool apron, rotating shuttle axle sleeve and lower cutter connecting rod, described
Lower cutter is fixed on incision tool apron, and the incision tool apron is hinged on rotary shuttle shaft and puts on, and the rotating shuttle axle sleeve is fixed on casing,
The incision tool apron is hinged the lower cutter connecting rod.
Preferably, the end of the lower cutter connecting rod is hinged with tangent line driving crank.
The operation principle of the utility model is：When tangent line driving crank is swung, lower cutter connecting rod drives lower cutter
Seat and affixed lower cutter on it rotate about axle center and rotated, upper cutter connecting rod drive upper cutter seat and it is affixed on it
Upper cutter rotated around pin rotating shaft center, upper cutter and lower cutter are moved to eedle center position, and upper cutter with
Lower cutter tangent line cutting edge position in the overlapping carry out tangent line at the eedle center, be at this moment retained in after tangent line the end of a thread on cloth compared with
It is short, without manual pruning the end of a thread after tangent line.
The utility model provides a kind of having the beneficial effect that for sewing machine line cutting device：Tangent line driving in the utility model is bent
When handle is swung, lower cutter connecting rod drives incision tool apron and affixed lower cutter on it to rotate about axle center and rotated,
Upper cutter connecting rod drives upper cutter seat and affixed upper cutter on it to be rotated around pin rotating shaft center, and upper cutter and lower cutter are same
When around axis swing, two cutters are carried out at the same time movement during tangent line, and tangent position is behind eedle center, tangent line
The end of a thread being retained on cloth is shorter, without manual pruning the end of a thread after tangent line.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structure diagram of sewing machine line cutting device in the utility model；
Fig. 2 is the working state structure schematic diagram of sewing machine line cutting device in the utility model.
Embodiment
To make the content of the utility model more clear understandable, below in conjunction with Figure of description, in the utility model
Appearance is described further.Certain the utility model is not limited to the specific embodiment, known to those skilled in the art
It is general replace be also covered by it is within the protection scope of the present utility model.Secondly, the utility model has been carried out in detail using schematic diagram
Statement, when the example of the utility model is described in detail, for convenience of description, schematic diagram is not partially enlarged in proportion to the general scale, should
In this, as the restriction to the utility model.
Above and other technical characteristic and beneficial effect, by conjunction with the embodiments and sewing machine-cut of the attached drawing to the utility model
Line apparatus is described in detail.Fig. 1 is the structure diagram of sewing machine line cutting device in the utility model；Fig. 2 is new for this practicality
The working state structure schematic diagram of sewing machine line cutting device in type.
As shown in Figure 1, 2, the utility model provides the utility model and provides a kind of sewing machine line cutting device, including upper cutter
Unit, lower cutter unit and driving unit.
Specifically, in the present embodiment, upper cutter unit includes upper cutter 2, upper cutter seat 3 and upper cutter connecting rod 5, above cuts
Knife 2 is fixed on one end of upper cutter seat 3, and upper cutter seat 3 is hinged on pin 4, and pin 4 is fixed on casing 1, upper cutter seat 3
End and one end of upper cutter connecting rod 5 are hinged, and the other end and the driving unit of upper cutter connecting rod 5 are hinged.
Driving unit in the present embodiment includes adjustment pin 6 and tangent line driving crank 7, and one end of adjustment pin 6 is with above cutting
The end of knife connecting rod 5 is hinged, and the other end is fixed on tangent line driving crank 7 and position is adjustable, and tangent line driving crank 7 is hinged on
On casing 1.
Lower cutter unit in the present embodiment includes lower cutter 8, incision tool apron 9, rotating shuttle axle sleeve 11 and lower cutter connecting rod
10, lower cutter 8 is fixed on incision tool apron 9, and incision tool apron 9 is hinged on rotating shuttle axle sleeve 11, and rotating shuttle axle sleeve 11 is fixed on casing 1
On, incision tool apron 9 is hinged lower cutter connecting rod 10, and the end of lower cutter connecting rod 10 and tangent line driving crank 7 are hinged.
The operation principle of the utility model is：When tangent line driving crank 7 is swung, lower cutter connecting rod 10 drives incision
Tool apron 9 and affixed lower cutter 8 on it rotate about axle center and are rotated, and upper cutter connecting rod 10 drives upper cutter seat 3 and consolidates
The upper cutter 2 being connected on thereon is rotated around 4 rotating shaft center of pin, and upper cutter 2 and lower cutter 8 are moved to eedle center position,
And upper cutter 2, close to overlapping carry out tangent line at eedle center, is at this moment retained in 8 tangent line cutting edge position of lower cutter after tangent line
The end of a thread on cloth is shorter, without manual pruning the end of a thread after tangent line.
In conclusion when the tangent line driving crank 7 in the utility model is swung, lower cutter connecting rod 10 drives lower cutter
Seat 9 and affixed lower cutter 8 on it rotate about axle center and are rotated, and upper cutter connecting rod 5 drives upper cutter seat 3 and is fixed in
Upper cutter 2 thereon is rotated around 4 rotating shaft center of pin, and upper cutter 2 and lower cutter 8 are being cut around axis swing, two cutters at the same time
Movement is carried out at the same time in line process, and the end of a thread that tangent position is retained in behind eedle center, tangent line on cloth is shorter, cuts
Without manual pruning the end of a thread after line.
Although the utility model essentially describes above example, example is intended only as to be described, and this reality
It is not limited to this with new.It is special without departing from the essence of embodiment that those of ordinary skill in the art can make a variety of modifications and application
Property.For example, each component that embodiment is shown in detail can be changed and run, can recognize with the modification and using relevant difference
To be included in the scope of protection of the utility model that appended claims are limited.
Involved embodiment in this specification, it is meant that specially feature, structure or the spy described with reference to the embodiment
Property is included at least one embodiment of the utility model.These terms come across in specification everywhere are not necessarily directed to
The same embodiment.In addition, when describing a particular feature, structure, or characteristic with reference to any embodiment, all think that it falls into this area
Those of ordinary skill is combined in the range of these a particular feature, structure, or characteristics that other embodiment can be realized.
Claims (5)
1. a kind of sewing machine line cutting device, it is characterised in that including upper cutter unit, lower cutter unit and driving unit；It is described
Upper cutter unit includes upper cutter, upper cutter seat and upper cutter connecting rod, and the upper cutter is fixed on the one of the upper cutter seat
On end, the upper cutter seat is hinged on pin, and the pin is fixed on casing, end and the upper cutter of the upper cutter seat
One end of connecting rod is hinged, and the other end and the driving unit of the upper cutter connecting rod are hinged.
2. sewing machine line cutting device according to claim 1, it is characterised in that the driving unit include adjustment pin and
Tangent line drives crank, and one end and the end of upper cutter connecting rod of the adjustment pin are hinged, and the other end is fixed on the tangent line driving
On crank and position is adjustable.
3. sewing machine line cutting device according to claim 2, it is characterised in that the tangent line driving crank is hinged on casing
On.
4. sewing machine line cutting device according to claim 2, it is characterised in that the lower cutter unit include lower cutter,
Incision tool apron, rotating shuttle axle sleeve and lower cutter connecting rod, the lower cutter are fixed on incision tool apron, and the incision tool apron is hinged on
Rotary shuttle shaft is put on, and the rotating shuttle axle sleeve is fixed on casing, and the incision tool apron is hinged the lower cutter connecting rod.
5. sewing machine line cutting device according to claim 4, it is characterised in that the end of the lower cutter connecting rod with it is described
Tangent line driving crank is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237497.4U CN207313885U (en) | 2017-09-26 | 2017-09-26 | A kind of sewing machine line cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721237497.4U CN207313885U (en) | 2017-09-26 | 2017-09-26 | A kind of sewing machine line cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207313885U true CN207313885U (en) | 2018-05-04 |
Family
ID=62383939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721237497.4U Expired - Fee Related CN207313885U (en) | 2017-09-26 | 2017-09-26 | A kind of sewing machine line cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207313885U (en) |
-
2017
- 2017-09-26 CN CN201721237497.4U patent/CN207313885U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20190926 |