CN208545561U - A kind of sewing machine and its thread-trimming lifter-presser foot device - Google Patents
A kind of sewing machine and its thread-trimming lifter-presser foot device Download PDFInfo
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- CN208545561U CN208545561U CN201821125323.3U CN201821125323U CN208545561U CN 208545561 U CN208545561 U CN 208545561U CN 201821125323 U CN201821125323 U CN 201821125323U CN 208545561 U CN208545561 U CN 208545561U
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- trimming
- presser foot
- lifter
- cam
- foot lifter
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Abstract
The utility model relates to technical field of sewing machines, disclose a kind of sewing machine and its thread-trimming lifter-presser foot device, including mounting rack, it further include the stepper motor being mounted on mounting rack and trimming component, trimming component includes trimming cam, trimming swing rod, trimming drive rod, trimming cam is set on the motor shaft of stepper motor, stepper motor drives the rotation of trimming cam, trimming cam offsets with trimming swing rod, the upper end of mounting rack is equipped with the guide rail connecting with mounting rack, the upper end of trimming swing rod is set on guide rail and moves left and right on guide rail, trimming drive rod is through the lower end of mounting rack, the lower end of trimming swing rod is set on trimming drive rod and is fixedly connected with trimming drive rod, trimming swing rod drives trimming drive rod to move left and right on mounting rack.The utility model mainly makes presser foot lifter and trimming move and mutually independent can carry out with two mutually contradictory cams, relative to original technology save the cost, reduces mounting surface, reduces difficulty of processing, more immediate stability.
Description
Technical field
The utility model relates to technical field of sewing machines more particularly to a kind of sewing machines and its thread-trimming lifter-presser foot device.
Background technique
The automatic needle-foot-lifting cutting facility of existing sewing machine is fission, and automatic shearing is to push trimming by electromagnet or cylinder
And reset, similarly presser foot lifter is another set of electromagnet or cylinder driving lift tooth foot.Installation processing component difficulty is high, at high cost, no
It is easy to control.
Summary of the invention
The utility model provides that a kind of structure is simple, holds for the disadvantage that structure is complicated in the prior art, not easy to control
Manageable sewing machine and its thread-trimming lifter-presser foot device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals:
A kind of thread-trimming lifter-presser foot device of sewing machine, including mounting rack, further include the stepper motor being mounted on mounting rack
With trimming component, trimming component includes trimming cam, trimming swing rod, trimming drive rod, and trimming cam is set in stepper motor
On motor shaft, stepper motor drives the rotation of trimming cam, and trimming cam offsets with trimming swing rod, and the upper end of mounting rack is equipped with and peace
Shelve the guide rail of connection, the upper end of trimming swing rod is set on guide rail and moves left and right on guide rail, trimming drive rod through
The lower end of mounting rack, the lower end of trimming swing rod are set on trimming drive rod and are fixedly connected with trimming drive rod, trimming swing rod
Trimming drive rod is driven to move left and right on mounting rack.
Preferably, the outer ring of trimming cam includes that sequentially connected first static arc section, the first movement clockwise are justified
Segmental arc, first protection arc section, the center of circle of the first static arc section and first protection arc section the center of circle with stepper motor
Motor shaft is arranged concentrically.
Preferably, trimming swing rod includes from top to bottom sequentially connected upper binding head, straight-bar, curved rod, lower union joint,
The side of straight-bar is equipped with the guide groove with trimming cam engagement, and trimming cam is located in guide groove and moves in guide groove, on
Connector is set on guide rail and moves left and right on guide rail, lower union joint be set on trimming drive rod and with trimming drive rod
It is fixedly connected, curved rod from top to bottom gradually extends to the left.
Preferably, trimming drive rod is equipped with the spring being set on trimming drive rod, one end of spring and mounting rack
It offsets, the other end and the lower union joint of spring offset.
Preferably, further including the presser foot lifter component connecting with mounting rack, presser foot lifter component includes presser foot lifter cam, lift pressure
Foot adjustable plate, presser foot lifter lever, presser foot lifter cam offset with presser foot lifter adjustable plate, the motor shaft of presser foot lifter cam and stepper motor
Connection, stepper motor drive presser foot lifter cam to rotate by motor shaft, and the lower end of presser foot lifter adjustable plate and presser foot lifter lever is hinged,
One end of presser foot lifter adjustable plate is connect with presser foot lifter lever.
Preferably, presser foot lifter cam include counterclockwise sequentially connected second static arc section, the second arc of movement section,
Second protection arc section, the center of circle of the second static arc section and second protection arc section the center of circle with the motor shaft of stepper motor
It is arranged concentrically.
Preferably, presser foot lifter adjustable plate is equipped with idler wheel, idler wheel offsets with presser foot lifter cam, and idler wheel passes through axial screw
It is fitted to presser foot lifter adjustable plate with nut, the length of the axial screw shaft shoulder is greater than the thickness of idler wheel, idler wheel and axial screw
It clearance fit and is rotated on axial screw.
Preferably, one end of presser foot lifter adjustable plate is equipped with the extension block upwardly extended, the upper end of extension block is equipped with and prolongs
The mounting blocks that block forms bending structure are stretched, mounting blocks are vertically arranged with extension block, and mounting blocks are equipped with the tune being connected with the mounting block
Screw is saved, screw is adjusted through mounting blocks, adjusts screw and be equipped with the locking nut connecting with adjusting screw, locking nut is set
In the lower section of mounting blocks, the lower end and presser foot lifter lever for adjusting screw offset.
Preferably, presser foot lifter lever include cross bar and with the vertically disposed vertical bar of cross bar, the lower end of vertical bar is equipped with and perpendicular
The supporting section of bar connection, the upper surface of the lower end and supporting section that adjust screw offset, and lead between the lower end and supporting section of vertical bar
Linkage section connection is crossed, linkage section is obliquely installed, and vertical bar and linkage section and linkage section are respectively formed bending structure with supporting section.
A kind of sewing machine, including above-described thread-trimming lifter-presser foot device.
The utility model has significant technical effect: mainly mutually right with two due to using above technical scheme
Vertical cam makes presser foot lifter and trimming move and mutually independent can carry out, and relative to original technology save the cost, reduces installation
Face reduces difficulty of processing, more immediate stability.
Detailed description of the invention
Fig. 1 is the facing structure figure of the utility model.
Fig. 2 is the partial enlarged view in the portion M in Fig. 1.
Fig. 3 is the structure chart of trimming cam.
Fig. 4 is the structure chart of presser foot lifter cam.
Fig. 5 is the rearview after the utility model presser foot lifter.
Fig. 6 is the structure chart after shearing.
Fig. 7 is the side block diagram of trimming swing rod.
The toponym that each number designation is referred in attached drawing is as follows: 1-stepper motor, 2-trimming cams, 3-trimmings
Swing rod, 4-guide rails, 5-springs, 6-trimming drive rods, 7-presser foot lifter cams, 8-presser foot lifter adjustable plates, 9-presser foot lifter thick sticks
Bar, 10-mounting racks, the 21-the first static arc section, the 22-the first arc of movement section, the 23-the first protection arc section, on 31-
Connector, 32-straight-bars, 33-curved rods, 34-lower union joints, 35-guide grooves, the 71-the second static arc section, 72-the
Two arc of movement sections, 73-the second protection arc section, 81-idler wheels, 82-extension blocks, 83-mounting blocks, 84-adjust screws,
85-locking nuts, 86-axial screws, 91-cross bars, 92-vertical bars, 93-supporting sections, 94-linkage sections.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Embodiment 1
A kind of thread-trimming lifter-presser foot device of sewing machine, including mounting rack 10, further include the stepping being mounted on mounting rack 10
Motor 1 and trimming component, trimming component include trimming cam 2, trimming swing rod 3, trimming drive rod 6, and trimming cam 2 is set in step
Into on the motor shaft of motor 1, stepper motor 1 drives trimming cam 2 to rotate, and trimming cam 2 offsets with trimming swing rod 3, mounting rack
10 upper end is equipped with the guide rail 4 connecting with mounting rack 10, and the upper end of trimming swing rod 3 is set on guide rail 4 and the left and right on guide rail 4
It is mobile, trimming drive rod 6 through the lower end of mounting rack 10, the lower end of trimming swing rod 3 be set on trimming drive rod 6 and with cut
Line drive rod 6 is fixedly connected, and trimming swing rod 3 drives trimming drive rod 6 to move left and right on mounting rack 10.1 inverse time of stepper motor
When needle rotates, trimming cam 2 is driven to rotate counterclockwise, trimming cam 2 pushes trimming swing rod 3 to move right, and trimming swing rod 3 drives
Trimming drive rod 6 moves right, and the right end of trimming drive rod 6 is equipped with scissors, and trimming drive rod 6 drives scissors stretching to be cut
Line, structure is simple, reduces the production cost of product, easy for installation, facilitates control.
The outer ring of trimming cam 2 include clockwise sequentially connected first static arc section 21, the first arc of movement section 22,
First protection arc section 23, the center of circle of the first static arc section 21 and first protection arc section 23 the center of circle with stepper motor 1
Motor shaft be arranged concentrically.Diameter of the diameter of first static arc section 21 less than the first protection arc section 23, the first movement circle
The face that segmental arc 22 is by one or several not and arc surfaces concentric with motor shaft formed is increasingly remoter from the motor shaft center of circle forms,
It will push trimming swing rod 3 when with this face contact to be moved, complete trimming, the first static arc section 21 is concentric with motor shaft
Roundlet segmental arc, when stepper motor 1 is static, the first static arc section 21 offsets with trimming swing rod 3, and trimming cam 2 does not work at this time,
When stepper motor 1 drives trimming cam 2 to rotate, the first movement circle is gradually gone to the first static arc section 21 of trimming swing rod 3
Segmental arc 22, since the first arc of movement section 22 and the first static arc section 21 are not arranged concentrically, the first arc of movement section
22 promotion trimming swing rods 3 move right, and realize trimming, and the first protection arc section 23 is the great circle segmental arc concentric with motor shaft, when
When trimming 2 inordinate rotation of cam, the first protection arc section 23 offsets with trimming swing rod 3, is increased by the first protection arc section 23
To the resistance that stepper motor 1 applies, can not be resetted after preventing trimming cam 2 from leaving arc surface when moving.
Trimming swing rod 3 includes from top to bottom sequentially connected upper binding head 31, straight-bar 32, curved rod 33, lower union joint 34,
The side of straight-bar 32 is equipped with the guide groove 35 cooperated with trimming cam 2, and trimming cam 2 is located in guide groove 35 and in guide groove 35
Interior movement guarantees that trimming cam 2 rotates in the vertical direction by guide groove 35, improves the precision and stability of part runs,
The end face of trimming cam 2 offsets with trimming swing rod 3, and upper binding head 31 is set on guide rail 4 and moves left and right on guide rail 4, under
Connector 34 is set on trimming drive rod 6 and is fixedly connected with trimming drive rod 6, and curved rod 33 is from top to bottom gradually to the left
Extend.When trimming swing rod 3 is mobile, upper binding head 31 moves on guide rail 4, straight-bar 32, curved rod 33, lower union joint 34 with
Upper binding head 31 is mobile, is connected by straight-bar 32 and curved rod 33, improves the utilization rate in space, by the way that 33 side of curved rod is arranged
Just it drives lower union joint 34 mobile, keeps the stroke of upper binding head 31 identical as the stroke of lower union joint 34, avoid mounting rack 10 right
Influence when trimming swing rod 3 is mobile, trimming drive rod 6 are equipped with the spring 5 being set on trimming drive rod 6, one end of spring 5
It offsets with mounting rack 10, the other end and the lower union joint 34 of spring 5 offset.When trimming drive rod 6 drives scissors to complete trimming, lead to
Crossing spring 5 resets trimming drive rod 6, simplifies product structure and operating process.
It further include the presser foot lifter component being connect with mounting rack 10, presser foot lifter component includes presser foot lifter cam 7, presser foot lifter adjusting
Plate 8, presser foot lifter lever 9, presser foot lifter cam 7 offset with presser foot lifter adjustable plate 8, the motor shaft of presser foot lifter cam 7 and stepper motor 1
Connection, stepper motor 1 drive presser foot lifter cam 7 to rotate by motor shaft, the lower end of presser foot lifter adjustable plate 8 and presser foot lifter lever 9
Hingedly, one end of presser foot lifter adjustable plate 8 is connect with presser foot lifter lever 9.When stepper motor 1 rotates clockwise, motor shaft drives lift
Presser feet cam 7 rotates clockwise, and 8 left end of presser foot lifter adjustable plate that presser foot lifter cam 7 pushes moves up, to drive presser foot lifter
Lever 9 moves down, and simplifies the adjusting to presser foot lifter lever 9, and presser foot lifter cam 7 includes counterclockwise sequentially connected second quiet
Only arc section 71, the second arc of movement section 72, second protect arc section 73, the center of circle of the second static arc section 71 and the second protection
Motor shaft of the center of circle of arc section 73 with stepper motor 1 is arranged concentrically.The diameter of second static arc section 71 is protected less than second
The diameter of guard circle segmental arc 73, the second arc of movement section 72 by one or several not and arc surfaces concentric with motor shaft formed from
The increasingly remoter face composition in the motor shaft center of circle, will push presser foot lifter adjustable plate 8 when with this face contact and is moved, complete presser foot lifter
Adjustable plate 8 lifts, and the second static arc section 71 is the roundlet segmental arc concentric with motor shaft, and when stepper motor 1 is static, second is quiet
Only arc section 71 offsets with presser foot lifter adjustable plate 8, and presser foot lifter cam 7 does not work at this time, and stepper motor 1 drives presser foot lifter cam 7
When rotation, the second static arc section 71 to offset with presser foot lifter adjustable plate 8 gradually goes to the second arc of movement section 72, due to second
Arc of movement section 72 is not arranged concentrically with the second static arc section 71, and therefore, the second arc of movement section 72 pushes presser foot lifter tune
The left end of section plate 8 moves up, and the second protection arc section 73 is the great circle segmental arc concentric with motor shaft, when 7 mistake of presser foot lifter cam
When degree rotation, the second protection arc section 73 offsets with presser foot lifter adjustable plate 8, is increased by the second protection arc section 73 to stepping electricity
The resistance that machine 1 applies can not reset after preventing presser foot lifter cam 7 from leaving arc surface when moving.
Presser foot lifter adjustable plate 8 is equipped with idler wheel 81, and idler wheel 81 offsets with presser foot lifter cam 7, and idler wheel 81 passes through axial screw
86 and nut be fitted to presser foot lifter adjustable plate 8, the length of 86 shaft shoulder of axial screw is greater than the thickness of idler wheel 81, idler wheel 81 with
It 86 clearance fit of axial screw and is rotated on axial screw 86.Idler wheel 81 is mounted on presser foot lifter adjustable plate by axial screw 86
On 8, idler wheel 81 is freely rotated on axial screw 86, and presser foot lifter adjustable plate 8 is offseted by idler wheel 81 with presser foot lifter cam 7, subtracts
Abrasion between small presser foot lifter adjustable plate 8 and presser foot lifter cam 7, improves flexibility when work, and the one of presser foot lifter adjustable plate 8
End is equipped with the extension block 82 upwardly extended, and the upper end of extension block 82 is equipped with the mounting blocks 83 that bending structure is formed with extension block 82,
Mounting blocks 83 are vertically arranged with extension block 82, and mounting blocks 83 are equipped with the adjusting screw 84 connecting with mounting blocks 83, adjust screw
84, through mounting blocks 83, adjust screw 84 and are equipped with the locking nut 85 connecting with adjusting screw 84, locking nut 85 is located at
The lower section of mounting blocks 83, the lower end for adjusting screw 84 offset with presser foot lifter lever 9.Presser foot lifter is adjusted by adjusting screw 84
Angle between lever 9 and presser foot lifter adjustable plate 8 to adjust the angle of the rotation of presser foot lifter lever 9, then passes through locking nut 85
It is locked, simplifies components and operating method, adapt to the demand in the case where difference.
Presser foot lifter lever 9 include cross bar 91 and with the vertically disposed vertical bar 92 of cross bar 91, the lower end of vertical bar 92 is equipped with and perpendicular
The upper surface of the supporting section 93 that bar 92 connects, the lower end and supporting section 93 that adjust screw 84 offsets, the lower end of vertical bar 92 and branch
It is connected between support section 93 by linkage section 94, linkage section 94 is obliquely installed, vertical bar 92 and linkage section 94 and linkage section 94 and support
Section 93 is respectively formed bending structure.Linkage section 94 and the junction of supporting section 93 and the middle part of presser foot lifter adjustable plate 8 are hinged, adjust spiral shell
The lower end of nail 84 is against the upper surface of supporting section 93, adjusts the distance between mounting blocks 83 and supporting section 93 by adjusting screw 84
When, presser foot lifter lever 9 and presser foot lifter adjustable plate 8 relatively rotate, to adjust the height of cross bar 91, when being adjusted to corresponding position, lead to
Locking nut is crossed to be locked.
A kind of sewing machine, including above-described thread-trimming lifter-presser foot device.
When work, the generation of stepper motor 1 is rotated counterclockwise, and trimming cam 2 and presser foot lifter cam 7 turn therewith on motor shaft
It is dynamic, due to being that rotate counterclockwise presser foot lifter cam 7 and 81 contact surface of idler wheel be always the second static arc section 71, so presser foot lifter
Lever 9 will not generate variation；And the contact surface of trimming cam 2 and trimming swing rod 3 is by the first static 21 face of arc section to the first fortune
Dynamic arc section 22, so that 3 follows track 4 of trimming swing rod be pushed to move right, to compressed spring 5 and drive trimming drive rod 6
It moves right, trimming drive rod 6 finally drives scissors to stretch out, then 1 spinning reduction of stepper motor, recoil of spring, trimming driving
Bar 6 drives scissors to reset.
The generation of stepper motor 1 rotates clockwise, and trimming cam 2 and presser foot lifter cam 7 rotate with it on motor shaft, due to being
Rotating clockwise trimming cam 2 and 3 contact surface of trimming swing rod is always the first static arc section 21, so trimming swing rod 3 will not
Generate variation；And the contact surface of presser foot lifter cam 7 and idler wheel 81 is by the second static 71 to the second arc of movement section 72 of arc section, from
And drive presser foot lifter lever 9 to move by pushing rolling wheels 81, and realize automatic needle-foot-lifting function, when needing to put down presser foot lifter, electric axis
Axis resets, and presser foot lifter just resets naturally.
The present apparatus mainly makes presser foot lifter and trimming move and mutually independent can carry out with two mutually contradictory cams, phase
For original technology save the cost, mounting surface is reduced, difficulty of processing, more immediate stability are reduced.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (10)
1. a kind of thread-trimming lifter-presser foot device of sewing machine, including mounting rack (10), it is characterised in that: further include being mounted on mounting rack
(10) stepper motor (1) and trimming component on, trimming component include trimming cam (2), trimming swing rod (3), trimming drive rod
(6), trimming cam (2) is set on the motor shaft of stepper motor (1), and stepper motor (1) drives trimming cam (2) rotation, is cut
Line cam (2) offsets with trimming swing rod (3), and the upper end of mounting rack (10) is equipped with the guide rail (4) connecting with mounting rack (10), trimming
The upper end of swing rod (3) is set on guide rail (4) and moves left and right on guide rail (4), and trimming drive rod (6) is through mounting rack
(10) lower end, the lower end of trimming swing rod (3) are set on trimming drive rod (6) and are fixedly connected with trimming drive rod (6), cut
String pendulum bar (3) drives trimming drive rod (6) to move left and right on mounting rack (10).
2. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 1, it is characterised in that: trimming cam (2)
Outer ring includes that sequentially connected first static arc section (21), the first arc of movement section (22), first protect arc section clockwise
(23), the motor of the center of circle of the first static arc section (21) and the center of circle of the first protection arc section (23) with stepper motor (1)
Axis is arranged concentrically.
3. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 1, it is characterised in that: trimming swing rod (3) packet
From top to bottom sequentially connected upper binding head (31), straight-bar (32), curved rod (33), lower union joint (34) are included, straight-bar (32)
Side is equipped with the guide groove (35) cooperated with trimming cam (2), and trimming cam (2) is located in guide groove (35) and in guide groove
(35) it is moved in, upper binding head (31) is set on guide rail (4) and moves left and right on guide rail (4), and lower union joint (34) is arranged
It is fixedly connected on trimming drive rod (6) and with trimming drive rod (6), curved rod (33) from top to bottom gradually extends to the left.
4. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 3, it is characterised in that: trimming drive rod (6)
It is equipped with the spring (5) being set on trimming drive rod (6), one end and the mounting rack (10) of spring (5) offset, spring (5)
The other end offsets with lower union joint (34).
5. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 1, it is characterised in that: further include and mounting rack
(10) the presser foot lifter component connected, presser foot lifter component includes presser foot lifter cam (7), presser foot lifter adjustable plate (8), presser foot lifter lever
(9), presser foot lifter cam (7) offsets with presser foot lifter adjustable plate (8), and the motor shaft of presser foot lifter cam (7) and stepper motor (1) connects
It connects, stepper motor (1) drives presser foot lifter cam (7) to rotate by motor shaft, presser foot lifter adjustable plate (8) and presser foot lifter lever (9)
Lower end it is hinged, one end of presser foot lifter adjustable plate (8) is connect with presser foot lifter lever (9).
6. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 5, it is characterised in that: presser foot lifter cam (7)
Arc section (73) are protected including sequentially connected second static arc section (71) counterclockwise, the second arc of movement section (72), second,
The center of circle of second static arc section (71) and the center of circle of the second protection arc section (73) are concentric with the motor shaft of stepper motor (1)
Setting.
7. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 5, it is characterised in that: presser foot lifter adjustable plate
(8) idler wheel (81) are equipped with, idler wheel (81) offsets with presser foot lifter cam (7), and idler wheel (81) passes through axial screw (86) and nut
Be fitted to presser foot lifter adjustable plate (8), the length of axial screw (86) shaft shoulder is greater than the thickness of idler wheel (81), idler wheel (81) with
It axial screw (86) clearance fit and is rotated on axial screw (86).
8. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 5, it is characterised in that: presser foot lifter adjustable plate
(8) one end is equipped with the extension block (82) upwardly extended, and the upper end of extension block (82), which is equipped with, forms bending knot with extension block (82)
The mounting blocks (83) of structure, mounting blocks (83) are vertically arranged with extension block (82), and mounting blocks (83) are equipped with mounting blocks (83) even
The adjusting screw (84) connect adjusts screw (84) through mounting blocks (83), adjusts screw (84) and be equipped with and adjust screw
(84) locking nut (85) connected, locking nut (85) are located at the lower section of mounting blocks (83), adjust the lower end of screw (84)
It offsets with presser foot lifter lever (9).
9. a kind of thread-trimming lifter-presser foot device of sewing machine according to claim 8, it is characterised in that: presser foot lifter lever (9)
Including cross bar (91) and with cross bar (91) vertically disposed vertical bar (92), the lower end of vertical bar (92) is equipped with to be connect with vertical bar (92)
The upper surface of supporting section (93), the lower end and supporting section (93) that adjust screw (84) offsets, the lower end of vertical bar (92) and support
It is connected between section (93) by linkage section (94), linkage section (94) is obliquely installed, vertical bar (92) and linkage section (94) and linkage section
(94) bending structure is respectively formed with supporting section (93).
10. a kind of sewing machine, it is characterised in that: including the described in any item thread-trimming lifter-presser foot devices of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125323.3U CN208545561U (en) | 2018-07-16 | 2018-07-16 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125323.3U CN208545561U (en) | 2018-07-16 | 2018-07-16 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
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| Publication Number | Publication Date |
|---|---|
| CN208545561U true CN208545561U (en) | 2019-02-26 |
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ID=65424838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125323.3U Active CN208545561U (en) | 2018-07-16 | 2018-07-16 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
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| CN (1) | CN208545561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677399A (en) * | 2018-07-16 | 2018-10-19 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
| CN110195296A (en) * | 2019-07-11 | 2019-09-03 | 阮健明 | A kind of trimming and foot lifting mechanism of sewing machine |
-
2018
- 2018-07-16 CN CN201821125323.3U patent/CN208545561U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677399A (en) * | 2018-07-16 | 2018-10-19 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its thread-trimming lifter-presser foot device |
| CN108677399B (en) * | 2018-07-16 | 2023-12-01 | 浙江美机缝纫机有限公司 | Sewing machine and thread cutting and presser foot lifting device thereof |
| CN110195296A (en) * | 2019-07-11 | 2019-09-03 | 阮健明 | A kind of trimming and foot lifting mechanism of sewing machine |
| CN110195296B (en) * | 2019-07-11 | 2023-12-22 | 阮健明 | Thread cutting and presser foot lifting mechanism of sewing machine |
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