CN209703002U - A kind of automatic shearing and foot lifting mechanism and sewing machine - Google Patents
A kind of automatic shearing and foot lifting mechanism and sewing machine Download PDFInfo
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- CN209703002U CN209703002U CN201920231789.XU CN201920231789U CN209703002U CN 209703002 U CN209703002 U CN 209703002U CN 201920231789 U CN201920231789 U CN 201920231789U CN 209703002 U CN209703002 U CN 209703002U
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- trimming
- presser foot
- cam
- foot lifter
- crank
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Abstract
The utility model belongs to sewing device technical field, refers in particular to a kind of automatic shearing and foot lifting mechanism and sewing machine；Including motor, trimming component and presser foot lifter component, the motor is double end motor, trimming cam and presser foot lifter cam are respectively arranged at the both ends of double end machine shaft, trimming cam is connect by idler wheel with trimming component, presser foot lifter cam is connect by idler wheel with presser foot lifter component, and idler wheel is rolled along the outer cylinder of trimming cam or presser foot lifter cam；When trimming, the center of trimming cam and idler wheel is acted away from variation driving trimming component, and away from remaining unchanged, presser foot lifter component is failure to actuate at the center of presser foot lifter cam and idler wheel；When presser foot lifter, the center of presser foot lifter cam and idler wheel is acted away from variation driving presser foot lifter component, and away from remaining unchanged, trimming component is failure to actuate at the center of trimming cam and idler wheel.The utility model is rolled along trimming cam or presser foot lifter cam by idler wheel and realizes that trimming action and presser foot lifter act respectively, and stability is high, stable drive, and noise is small.
Description
Technical field:
The utility model belongs to sewing device technical field, refers in particular to a kind of automatic shearing and foot lifting mechanism and sewing machine.
Background technique:
Thread cutting mechanism and foot lifting mechanism in traditional flat seam machine are two mutually independent mechanisms, respectively by two electricity
The defects of magnet driving, has occupied space big, at high cost, and solenoid actuated noise is big, stability is poor.It is above-mentioned in order to improve
Phenomenon, application publication number are that the Chinese invention patent application of 106948096 A of CN discloses a kind of sewing machine thread-trimming lifter-presser foot dress
It sets and sewing machine.The thread-trimming lifter-presser foot device includes motor, trimming cam pack, presser foot lifter crank assemblies, trimming cam pack
Including trimming cam, movement slots are set on trimming cam, trimming crank is connect by connecting pin with trimming cam, and connecting pin is set
It sets in movement slots, trimming crank is connect with thread cutting mechanism, and presser foot lifter crank assemblies include presser foot lifter crank, on presser foot lifter crank
Abutting part is set, and abutting part is abutted with the mandril of foot lifting mechanism.
Above-mentioned thread-trimming lifter-presser foot device is due to the defect that still noise can be caused big because of shock between abutting part and mandril, separately
Outer trimming cam passes through connection pin connection with trimming crank, and connecting pin moves with processing in movement slots, assembles complexity
Defect.
Summary of the invention:
The purpose of the utility model is to provide a kind of low noise, the high automatic shearing of stability and foot lifting mechanism and sewing
Machine.
The utility model is realized in this way:
One of purpose of the utility model is to provide a kind of automatic shearing and foot lifting mechanism, including motor, trimming
Component and presser foot lifter component, the motor are double end motor, the both ends of double end machine shaft be respectively arranged with trimming cam with
Presser foot lifter cam, trimming cam are connect by idler wheel with trimming component, and presser foot lifter cam is connect by idler wheel with presser foot lifter component,
Idler wheel is rolled along the outer cylinder of trimming cam or presser foot lifter cam；When trimming, the center of trimming cam and idler wheel is driven away from variation
Away from remaining unchanged, presser foot lifter component is failure to actuate at the center of dynamic trimming component movement, presser foot lifter cam and idler wheel；When presser foot lifter, lift
The center of presser feet cam and idler wheel away from variation driving presser foot lifter component movement, the center of trimming cam and idler wheel away from remaining unchanged,
Trimming component is failure to actuate.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the trimming component includes trimming driving crank, trimming
Driving crank includes the trimming crank axle being rotatably connected on casing and the trimming crank for being fixedly arranged on trimming crank axle one end, trimming
Crank is acted with trimming crank axle, and closely one end of trimming crank axle is connected by trimming pull rod and auxiliary tool head on trimming crank
It connects, one end on trimming crank far from trimming crank axle is connect by knife rest connecting rod with active knife rest, is arranged on auxiliary tool head
There is auxiliary knife, driving knife is provided on active knife rest, the active knife rest, auxiliary tool head are arranged on lower axle protheca and can be around them
Axis rotation when the rotation of double end machine shaft drives the center of idler wheel and trimming cam away from changing, drives trimming driving bent
Handle drives driving knife to rotate towards each other with auxiliary knife and is engaged realization trimming action around trimming crankshaft rotation.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the trimming component includes trimming driving crank, trimming
Driving crank includes the trimming crank axle being rotatably connected on casing and the trimming crank positioned at trimming crank axle one end, and trimming is bent
Handle is acted with trimming crank axle, and the lower end of trimming crank has extended downwardly knife rest connecting rod mounting rod, and one end of knife rest connecting rod passes through
The lower end of screw and knife rest connecting rod mounting rod is hinged, and the other end and active knife rest of knife rest connecting rod are hinged, is arranged on active knife rest
There is driving knife, the driving knife frame is arranged on lower axle protheca and can be rotatable around its axis, solid on the bottom plate of driving knife side
Equipped with stationary knife, when the rotation of double end machine shaft drives the center of idler wheel and trimming cam away from changing, trimming crank axle is driven
Rotation drives driving knife to rotate to stationary knife direction and be engaged realization trimming action.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the trimming crank outer shaft sleeve is equipped with reset spring, multiple
The pivoted arm of one end of position spring is plugged on casing, the other end is connected on trimming crank.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the front end of the lower axle protheca is provided with necking part, main
Movable knife rack is arranged on necking part, is installed with knife rest pressing plate in the front end of lower axle protheca.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the presser foot lifter component includes presser foot lifter connecting rod and lift pressure
Foot crank, one end of presser foot lifter crank is installed on feed spool, the other end is provided with crown bar pin, and crown bar pin is pressed by mandril and lift
One end of lever connects after foot, is hinged on casing in the middle part of lever after presser foot lifter, the other end of lever passes through lift after presser foot lifter
Presser feet pull rod is connect with lever before presser foot lifter, and lever is rotatably connected on casing by preceding lever pin before presser foot lifter, and presser foot lifter
Preceding lever is connect with presser feet lifter plate, and presser feet lifter plate is connect with presser bar spring bracket, and presser bar spring bracket is installed on presser feet axis；The lift
One end of presser feet connecting rod is arranged on feed spool, the other end passes through for connecting with idler wheel.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, one end of the presser foot lifter crank is shaft sleeve part, lift pressure
One end of foot connecting rod is set in shaft sleeve part.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the double end motor is fixed on casing by electric machine support
On bottom plate.
In above-mentioned a kind of automatic shearing and foot lifting mechanism, the trimming cam and presser foot lifter cam are in kidney-shaped, and
Trimming cam and presser foot lifter cam mirror settings, trimming cam and presser foot lifter cam include installation set portion and cam part, cam part
Including isometrical portion and varying diameter portion, the one end in isometrical portion, and isometrical portion and installation set portion axis collinear is arranged in the installation set portion.
Another purpose of the utility model is to provide a kind of sewing machine, including above-mentioned automatic shearing and presser foot lifter machine
Structure.
The advantage that the utility model protrudes compared with prior art is:
The utility model is rolled along trimming cam or presser foot lifter cam by idler wheel and realizes that trimming action and lift are pressed respectively
Foot-propelled is made, and stability is high, stable drive, and noise is small.
Detailed description of the invention:
Fig. 1 is one of stereoscopic schematic diagram of the utility model；
Fig. 2 is the two of the stereoscopic schematic diagram of the utility model；
Fig. 3 is the three of the stereoscopic schematic diagram of the utility model；
Fig. 4 is the main view of the utility model, and the arrow in figure indicates the direction of motion of each part when presser foot lifter；
Fig. 5 is the right view of the utility model, and what dotted arrow indicated in figure is presser foot lifter direction；
Fig. 6 is the left view of the utility model, and what dotted arrow indicated in figure is trimming direction；
Fig. 7 is the schematic diagram of the trimming driving crank of the utility model；
Fig. 8 is the schematic diagram of the trimming cam of the utility model；
Fig. 9 is the schematic diagram of the lower axle protheca of the utility model.
In figure: 1, motor；2, double end machine shaft；3, trimming cam；4, presser foot lifter cam；5, idler wheel；6, trimming drives
Crank；7, trimming crank axle；8, trimming crank；9, trimming pull rod；10, auxiliary tool head；11, knife rest connecting rod；12, active knife rest；
13, knife is assisted；14, driving knife；15, lower axle protheca；16, stay rod pin；17, roller pin；18, knife rest link pin；19, bullet is resetted
Spring；20, necking part；21, knife rest pressing plate；22, step surface；23, presser foot lifter connecting rod；24, presser foot lifter crank；25, feed spool；26,
Crown bar pin；27, mandril；28, lever after presser foot lifter；29, presser foot lifter pull rod；30, lever before presser foot lifter；31, presser feet lifter plate；
32, presser bar spring bracket；33, presser feet axis；34, electric machine support.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-9:
A kind of automatic shearing and foot lifting mechanism, including motor 1, trimming component and presser foot lifter component, the motor 1 is double
Head motor, and motor 1 is stepper motor or grating electromechanical, the preferred stepper motor of the present embodiment.At the both ends of double end machine shaft 2
It is respectively arranged with trimming cam 3 and presser foot lifter cam 4, trimming cam 3 is connect by idler wheel 5 with trimming component, presser foot lifter cam 4
It is connect by idler wheel 5 with presser foot lifter component, idler wheel 5 is rolled along the outer cylinder of trimming cam 3 or presser foot lifter cam 4；Trimming
When, the center of trimming cam 3 and idler wheel 5 is acted away from variation driving trimming component, and the center of presser foot lifter cam 4 and idler wheel 5 is away from guarantor
Hold constant, presser foot lifter component is failure to actuate；When presser foot lifter, the center of presser foot lifter cam 4 and idler wheel 5 drives presser foot lifter component away from variation
Movement, away from remaining unchanged, trimming component is failure to actuate at the center of trimming cam 3 and idler wheel 5.
The utility model is by the movement of a motor driven trimming and presser foot lifter, and trimming component and presser foot lifter component are mutually not
Interference, occupies little space, compact-sized.In addition, by idler wheel along 5 trimming cam or presser foot lifter cam roll and realize cut respectively
Line movement is acted with presser foot lifter, and stability is high, and stable drive is not in Caton phenomenon, has been prevented between part due to shock
The noise of generation.
Further, as shown in figures 1 to 6, the trimming component is double acting knife trimming structure, including trimming drives crank 6,
Trimming driving crank 6 includes the trimming crank axle 7 being rotatably connected on casing and the fixed trimming song with 7 one end of trimming crank axle
Handle 8, trimming crank 8 are acted with trimming crank axle 7, and trimming crank 8, trimming crank axle 7 can be split type structure or integral type
Structure.The preferred integral structure of the present embodiment.On trimming crank 8 closely one end of trimming crank axle 7 by trimming pull rod 9 with
Auxiliary tool head 10 connects, and one end on trimming crank 8 far from trimming crank axle 7 is connected by knife rest connecting rod 11 and active knife rest 12
It connects, auxiliary knife 13 is provided on auxiliary tool head 10, driving knife 14, the active knife rest 12, auxiliary are provided on active knife rest 12
Knife rest 10 is arranged on lower axle protheca 15 and can be rotatable around its axis, and the rotation of double end machine shaft 2 drives idler wheel 5 convex along trimming
The outer cylinder of wheel 3 rolls, when the center of idler wheel 5 and trimming cam 3 drives crank 6 around trimming song away from drive trimming when changing
Arbor 7 rotates and then drives driving knife 14 to rotate towards each other with auxiliary knife 13 and be engaged realization trimming action.
Specifically, closely one end of trimming crank axle 7 is provided with stay rod pin 16, the axis of stay rod pin 16 on trimming crank 8
Line is parallel with trimming crank axle 7 and eccentric setting, one end of trimming pull rod 9 are set on stay rod pin 16.On trimming crank 8
One end far from trimming crank axle 7 is provided with roller pin 17 and knife rest link pin 18, the axis of roller pin 17 and knife rest link pin 18
Line is conllinear, and knife rest link pin 18 is located on the lateral surface of trimming crank 8, and roller pin 17 is located on the medial surface of trimming crank 8, rolling
Wheel 5 is arranged on roller pin 17 and passes through circlip axial limiting.Roller pin 17 is integrated with knife rest link pin 18 and trimming crank 8
Formula structure or split type structure.
One end of knife rest connecting rod 11 is hinged on the medial surface of active knife rest 12 by screw, and the other end is connected to trimming song
On the knife rest link pin 18 of handle 8, carried out by the medial surface of active knife rest 12 and the lateral surface cutter setting frame connecting rod 11 of trimming crank 8
Limit, there is no need to the circlip of limit is arranged on knife rest link pin 18.
Double acting knife trimming structure may insure that remaining the end of a thread is most short on sewed product after trimming, improves trimming quality, keeps away
The case where subsequent artefacts trim the end of a thread is exempted from, human cost and trimming efficiency has been reduced, furthermore it is ensured that staying on eedle
The length of the end of a thread avoids forming bad stitching before sewing, improves the quality of sewed product.
Further, the trimming component can also be single action knife trimming structure, including trimming drives crank, trimming driving
Crank includes the trimming crank axle being rotatably connected on casing and the trimming crank positioned at trimming crank axle one end, trimming crank with
The movement of trimming crank axle, one end of separate trimming crank axle and one end of knife rest connecting rod are hinged on trimming crank, knife rest connecting rod
The other end and active knife rest it is hinged, be provided with driving knife on active knife rest, the driving knife frame is arranged on lower axle protheca simultaneously
Can be rotatable around its axis, stationary knife is installed on the bottom plate of driving knife side, the rotation of double end machine shaft drives idler wheel and trimming
When the center of cam is away from changing, drives trimming crankshaft rotation that driving knife is driven to rotate to stationary knife direction and be engaged realization and cut
Line movement.
The roller pin of single action knife structure and the structure of knife rest link pin are identical as double acting knife structure.
It automatically resets to realize, is arranged with reset spring 19, one end of reset spring 19 outside the trimming crank axle 7
Pivoted arm be plugged on casing, the other end is connected on trimming crank 8, reset spring 19 may insure that idler wheel 5 is bonded always and cut
The outer cylinder of line cam 3 rolls.
Further, the front end of the lower axle protheca 15 is provided with necking part 20, and active knife rest 12 is arranged in necking part 20
On, it is installed with knife rest pressing plate 21 in the front end of lower axle protheca 15, is formed with step surface between necking part 20 and lower axle protheca 15
22,21 pairs of active knife rests 12 of step surface 22 and knife rest pressing plate are limited axially.
When trimming component is double acting knife structure, auxiliary tool head 10 is set on lower axle protheca 15 closely the one of necking part 20
End.
Further, the presser foot lifter component includes presser foot lifter connecting rod 23 and presser foot lifter crank 24, presser foot lifter crank 24
One end is installed on feed spool 25, the other end is provided with crown bar pin 26, and axis and the feed spool 25 of crown bar pin 26 are arranged in parallel, top
Lever pin 26 is connect by mandril 27 with one end of lever 28 after presser foot lifter, and the middle part of lever 28 is hinged on casing after presser foot lifter,
The other end of lever 28 is connect by presser foot lifter pull rod 29 with lever 30 before presser foot lifter after presser foot lifter, and lever 30 passes through before presser foot lifter
Preceding lever pin is rotatably connected on casing, and 30 bar of thick stick is connect with presser feet lifter plate 31 before presser foot lifter, presser feet lifter plate 31 and pressure
Rod carrier 32 connects, and presser bar spring bracket 32 is installed on presser feet axis 33；One end of the presser foot lifter connecting rod 23 is arranged in feed spool 25
The upper, other end is connect by pin shaft with idler wheel 5.Wherein, pin shaft is the pin that axial screw or both ends have circlip.
Further, one end of the presser foot lifter crank 24 is provided with shaft sleeve part, and one end of presser foot lifter connecting rod 23 is set in
In shaft sleeve part.Presser foot lifter connecting rod 23, presser foot lifter crank 24 can be rotated synchronously around the axis of feed spool 25.
In order to facilitate the installation of, the double end motor is fixed on chassis backplane by electric machine support 34.In electric machine support 34
On be provided with strip-shaped hole, facilitate adjust double end motor in the position of the axis direction of feed spool 25.
Further, the trimming cam 3 and presser foot lifter cam 4 are in kidney-shaped, and trimming cam 3 and 4 mirror of presser foot lifter cam
As setting, trimming cam 3 and presser foot lifter cam 4 include installation set portion and cam part, and cam part includes isometrical portion and varying diameter portion, institute
State one end that isometrical portion is arranged in installation set portion, and isometrical portion and installation set portion axis collinear.
Trimming cam 3 and presser foot lifter cam 4 by be radially arranged in installation set portion screw and double end machine shaft 2 two
End is fixedly connected.Wherein isometrical portion is idle stroke portion, i.e., when idler wheel 5 rolls, idler wheel 5 and trimming cam 3 or presser foot lifter cam 4
Center is away from will not change.Part except idle stroke portion is varying diameter portion, and the rolling of idler wheel 5 will lead to idler wheel 5 and trimming cam 3 or lift
The center of presser feet cam 4 away from variation.
Working principle of the utility model is:
Trimming:
Motor 1 is operated by trimming direction, and driving trimming cam 3 rotates, so that trimming be driven to drive crank 6, and then is carried out
Trimming.After the completion of trimming, 1 return of motor, reset spring 19 assists return, at this point, the presser foot lifter cam 4 of the other end and idler wheel 5
Center away from unchanged.
Presser foot lifter:
Motor 1 is operated by presser foot lifter direction, drives presser foot lifter cam 4, presser foot lifter connecting rod 23 and presser foot lifter crank 24 follow
Movement, ramps up mandril 27, and subsequent parts, which are followed, changes the final movement for realizing presser foot lifter, at this point, the trimming of the other end is convex
Center between wheel 3 and idler wheel 5 is away from unchanged.
Another purpose of the utility model is to provide a kind of sewing machine, it is characterised in that: including above-mentioned automatic shearing
With foot lifting mechanism.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of automatic shearing and foot lifting mechanism, including motor (1), trimming component and presser foot lifter component, it is characterised in that: institute
Stating motor (1) is double end motor, is respectively arranged with trimming cam (3) and presser foot lifter cam at the both ends of double end machine shaft (2)
(4), trimming cam (3) is connect by idler wheel (5) with trimming component, and presser foot lifter cam (4) passes through idler wheel (5) and presser foot lifter component
Connection, idler wheel (5) are rolled along the outer cylinder of trimming cam (3) or presser foot lifter cam (4)；When trimming, trimming cam (3) and rolling
The center of (5) is taken turns away from variation driving trimming component movement, away from remaining unchanged, lift is pressed at the center of presser foot lifter cam (4) and idler wheel (5)
Foot component is failure to actuate；When presser foot lifter, the center of presser foot lifter cam (4) and idler wheel (5) is cut away from variation driving presser foot lifter component movement
Away from remaining unchanged, trimming component is failure to actuate at the center of line cam (3) and idler wheel (5).
2. a kind of automatic shearing according to claim 1 and foot lifting mechanism, it is characterised in that: the trimming component includes
Trimming drives crank (6), and trimming driving crank (6) includes that the trimming crank axle (7) being rotatably connected on casing and being fixedly arranged on is cut
The trimming crank (8) of line crank axle (7) one end, trimming crank (8) are acted with trimming crank axle (7), are tightened in trimming crank (8)
The one end for suffering trimming crank axle (7) is connect by trimming pull rod (9) with auxiliary tool head (10), separate on trimming crank (8) to cut
One end of line crank axle (7) is connect by knife rest connecting rod (11) with active knife rest (12), and auxiliary tool head is provided with auxiliary on (10)
Knife (13) is provided with driving knife (14) on active knife rest (12), and the active knife rest (12), auxiliary tool head (10) are arranged in lower axle
And can be rotatable around its axis on protheca (15), double end machine shaft (2) rotation drives the center of idler wheel (5) and trimming cam (3)
When away from changing, driving trimming driving crank (6) to rotate around trimming crank axle (7) and driving driving knife (14) and auxiliary knife (13)
It rotates towards each other and is engaged realization trimming action.
3. a kind of automatic shearing according to claim 1 and foot lifting mechanism, it is characterised in that: the trimming component includes
Trimming drive crank, trimming driving crank include the trimming crank axle being rotatably connected on casing and be located at trimming crank axle one end
Trimming crank, trimming crank with trimming crank axle act, the lower end of trimming crank has extended downwardly knife rest connecting rod mounting rod, knife
One end of frame connecting rod is hinged by the lower end of screw and knife rest connecting rod mounting rod, and the other end and active knife rest of knife rest connecting rod are cut with scissors
It connects, driving knife is provided on active knife rest, the driving knife frame is arranged on lower axle protheca and can be rotatable around its axis, actively
Stationary knife is installed on the bottom plate of knife side, the shaft rotation of double end motor drives idler wheel (5) and the center of trimming cam away from generation
When variation, drive trimming crankshaft rotation that driving knife is driven to rotate to stationary knife direction and be engaged realization trimming action.
4. a kind of automatic shearing according to claim 2 or 3 and foot lifting mechanism, it is characterised in that: the trimming crank
It is arranged with reset spring (19) outside axis (7), the pivoted arm of one end of reset spring (19) is plugged on casing, the other end is connected to and cuts
On line crank (8).
5. a kind of automatic shearing according to claim 2 or 3 and foot lifting mechanism, it is characterised in that: the lower axle protheca
(15) front end is provided with necking part (20), and active knife rest (12) is arranged on necking part (20), before lower axle protheca (15)
End is installed with knife rest pressing plate (21).
6. a kind of automatic shearing according to claim 1 and foot lifting mechanism, it is characterised in that: the presser foot lifter component packet
Presser foot lifter connecting rod (23) and presser foot lifter crank (24) are included, one end of presser foot lifter crank (24) is installed on feed spool (25), is another
End is provided with crown bar pin (26), and crown bar pin (26) is connect by mandril (27) with one end of lever after presser foot lifter (28), presser foot lifter
It is hinged on casing in the middle part of lever (28) afterwards, the other end of lever (28) is pressed by presser foot lifter pull rod (29) and lift after presser foot lifter
Lever (30) connects before foot, and lever (30) is rotatably connected on casing by preceding lever pin before presser foot lifter, and lever before presser foot lifter
(30) it is connect with presser feet lifter plate (31), presser feet lifter plate (31) is connect with presser bar spring bracket (32), and presser bar spring bracket (32) is installed in
On presser feet axis (33)；One end of the presser foot lifter connecting rod (23) is arranged on feed spool (25), the other end is used for idler wheel (5) even
It connects.
7. a kind of automatic shearing according to claim 6 and foot lifting mechanism, it is characterised in that: the presser foot lifter crank
(24) one end is shaft sleeve part, and one end of presser foot lifter connecting rod (23) is set in shaft sleeve part.
8. a kind of automatic shearing according to claim 1 and foot lifting mechanism, it is characterised in that: the double end motor passes through
Electric machine support (34) is fixed on chassis backplane.
9. a kind of automatic shearing according to claim 1 and foot lifting mechanism, it is characterised in that: the trimming cam (3)
It is in kidney-shaped with presser foot lifter cam (4), and trimming cam (3) and presser foot lifter cam (4) mirror settings, trimming cam (3) and lift are pressed
Foot cam (4) includes installation set portion and cam part, and cam part includes isometrical portion and varying diameter portion, and the installation set portion is arranged isometrical
The one end in portion, and isometrical portion and installation set portion axis collinear.
10. a kind of sewing machine, it is characterised in that: including the described in any item automatic shearings of claim 1-9 and foot lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231789.XU CN209703002U (en) | 2019-02-23 | 2019-02-23 | A kind of automatic shearing and foot lifting mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231789.XU CN209703002U (en) | 2019-02-23 | 2019-02-23 | A kind of automatic shearing and foot lifting mechanism and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209703002U true CN209703002U (en) | 2019-11-29 |
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|---|---|---|---|
| CN201920231789.XU Active CN209703002U (en) | 2019-02-23 | 2019-02-23 | A kind of automatic shearing and foot lifting mechanism and sewing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878450A (en) * | 2019-12-23 | 2020-03-13 | 杰克缝纫机股份有限公司 | Sewing machine trimming lifting presser foot and presser foot pressure adjusting device and sewing machine |
| CN110923967A (en) * | 2019-12-23 | 2020-03-27 | 杰克缝纫机股份有限公司 | Sewing machine trimming and thread loosening pressure foot lifting device and sewing machine |
| CN110983644A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine trimming and thread loosening pressure foot lifting and pressure foot pressure adjusting device and sewing machine |
| CN110983645A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine and device for adjusting pressure of thread trimming and loosing presser foot of sewing machine |
| CN112064220A (en) * | 2020-09-09 | 2020-12-11 | 浙江美机缝纫机有限公司 | Presser foot mechanism is lifted to sewing machine's trimming |
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2019
- 2019-02-23 CN CN201920231789.XU patent/CN209703002U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878450A (en) * | 2019-12-23 | 2020-03-13 | 杰克缝纫机股份有限公司 | Sewing machine trimming lifting presser foot and presser foot pressure adjusting device and sewing machine |
| CN110923967A (en) * | 2019-12-23 | 2020-03-27 | 杰克缝纫机股份有限公司 | Sewing machine trimming and thread loosening pressure foot lifting device and sewing machine |
| CN110983644A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine trimming and thread loosening pressure foot lifting and pressure foot pressure adjusting device and sewing machine |
| CN110983645A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine and device for adjusting pressure of thread trimming and loosing presser foot of sewing machine |
| CN110983644B (en) * | 2019-12-23 | 2021-07-30 | 杰克缝纫机股份有限公司 | Sewing machine trimming and thread loosening pressure foot lifting and pressure foot pressure adjusting device and sewing machine |
| CN112064220A (en) * | 2020-09-09 | 2020-12-11 | 浙江美机缝纫机有限公司 | Presser foot mechanism is lifted to sewing machine's trimming |
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