CN208183275U - A kind of sewing machine - Google Patents
A kind of sewing machine Download PDFInfo
- Publication number
- CN208183275U CN208183275U CN201820612142.7U CN201820612142U CN208183275U CN 208183275 U CN208183275 U CN 208183275U CN 201820612142 U CN201820612142 U CN 201820612142U CN 208183275 U CN208183275 U CN 208183275U
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- CN
- China
- Prior art keywords
- presser
- trimming
- foot lifter
- presser foot
- bracket
- 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.)
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Abstract
The utility model belongs to sewing device technical field, refers in particular to a kind of sewing machine；Including motor and the lift last item being arranged on casing, presser foot lifter cam is provided in the shaft of motor, lift last item is fixedly connected with the upper end of presser foot lifter connecting rod, the lower end of presser foot lifter connecting rod is provided with idler wheel, idler wheel is connect with the curved face contact of presser foot lifter cam, the upper end of presser foot lifter connecting rod also passes through presser foot lifter crank web and connect with presser foot lifter crank, presser foot lifter crank is installed on pressure foot lifting main shaft, pressure foot lifting crank is additionally provided on pressure foot lifting main shaft, pressure foot lifting crank is pricked head connecting plate by presser feet and is connect with presser feet bundle head, the presser feet pricks head and presser feet axis connection, presser feet axis is pricked head with presser feet and is moved up and down；The utility model, as power source, there is performance to stablize using stepper motor, and the small advantage of noise improves the quality of machine.
Description
Technical field:
The utility model belongs to sewing device technical field, refers in particular to a kind of sewing machine.
Background technique:
Sewing machine is the machine for being sutured sewing by suture.With the continuous improvement of technical level, sewing machine is toward contact
It include automatic needle-foot-lifting device, automatic thread trimming device etc..Currently, most automatic needle-foot-lifting device is all using electromagnet
As power source, a kind of sewing machine with new type auto presser foot lifter structure as disclosed in 106498633 A of Publication No. CN,
The sewing machine includes automatic needle-foot-lifting device, is provided with holding on the outline border of the presser feet electromagnet of the automatic needle-foot-lifting device
Device, the holding meanss are resisted against on the outer wall of presser feet electromagnet core when presser feet electromagnet core stretches out；In presser feet electricity
Pole core is fastened on the end face of presser feet electromagnet core when being attracted.Due to the performance of electromagnet itself, solenoid actuated lift
Presser feet has the defects of noise is big, performance is unstable.
Summary of the invention:
The sewing machine that the purpose of the utility model is to provide a kind of performances is stable, noise is small.
The utility model is realized in this way:
A kind of sewing machine is provided with presser foot lifter in the shaft of motor including motor and the lift last item being arranged on casing
Cam, lift last item are fixedly connected with the upper end of presser foot lifter connecting rod, and the lower end of presser foot lifter connecting rod is provided with idler wheel, idler wheel and presser foot lifter
The curved face contact of cam connects, and the upper end of presser foot lifter connecting rod also passes through presser foot lifter crank web and connect with presser foot lifter crank, lifts
Presser feet crank is installed on pressure foot lifting main shaft, and pressure foot lifting crank, pressure foot lifting crank are additionally provided on pressure foot lifting main shaft
It pricks head connecting plate by presser feet to connect with presser feet bundle head, the presser feet pricks head and presser feet axis connection, and presser feet axis is pricked on head with presser feet
Lower movement.
In a kind of above-mentioned sewing machine, the axis of the lift last item is vertical with the axis of pressure foot lifting main shaft.
In a kind of above-mentioned sewing machine, the presser foot lifter crank web is connect with presser foot lifter connecting rod bias.
In a kind of above-mentioned sewing machine, the lower end that the presser feet pricks head connecting plate is provided with strip-shaped hole, and presser feet is pricked head and connected
Fishplate bar passes through the strip-shaped hole by screw and connect with presser feet bundle head.
In a kind of above-mentioned sewing machine, the motor is double end motor, and one end of shaft is provided with presser foot lifter cam, another
One end is provided with trimming driving push rod；It is provided with transmission bracket on the casing lateral surface of trimming driving push rod side, is being driven
Trimming drive shaft is provided on bracket in left-right direction, transmission shaft driver, transmission shaft driving are provided in trimming drive shaft
One end of part is fixed in trimming drive shaft, the other end is vacantly arranged positioned at the side of trimming driving push rod, in trimming drive shaft
It is arranged with reset spring outside, one end of reset spring, which is held out against, to be held out against in the left end of transmission bracket, the other end in transmission shaft driver
On, the right end of trimming drive shaft is connect by gear unit with incision cutter bracket, the right end of incision cutter bracket is provided with moving knife,
Stationary knife is provided with by tool fixing frame on cutter chuck holder adapted, stationary knife is located at the top of moving knife, and the shaft of motor rotates clockwise drive and cuts
Line driving push rod acts on transmission shaft driver, and transmission shaft driver drives trimming drive shaft to be moved to the left along its axis, makes
Knife stretches out to the right, and the shaft of motor rotates clockwise, and is moved to the left moving knife and returns sword, and cuts at this point, moving knife is realized with stationary knife cooperation
Line.
In a kind of above-mentioned sewing machine, the gear unit includes the trimming drive shaft for being installed in trimming drive shaft right end
Seat, trimming drive axle bed to drive small rod and lower cutter drive link hinged by lower cutter, and lower cutter drive link passes through spiral shell
Nail is rotatably connected on cutter chuck holder adapted, and the lower cutter drive link other end is connect with incision cutter bracket, and lower cutter drive link is around spiral shell
Nail rotation drives incision cutter bracket to move back and forth in left-right direction.
In a kind of above-mentioned sewing machine, the other end of the lower cutter drive link is provided with strip-shaped hole, and lower cutter drives
The other end of dynamic connecting rod passes through strip-shaped hole by screw and is connected on incision cutter bracket, and lower cutter drive link, which is swung, drives incision
Cutter bracket moves back and forth in left-right direction；
Or: the end face of the other end of the lower cutter drive link is arcwall face, and corresponding position is set on incision cutter bracket
It is equipped with arc groove, the other end of lower cutter drive link is arranged in arc groove, and lower cutter drive link is swung under drive
Cutter bracket moves back and forth in left-right direction.
In a kind of above-mentioned sewing machine, left guidance rocker arm and the right side are hinged on the cutter chuck holder adapted of incision cutter bracket side
Rocker arm is guided, is provided with left strip-shaped hole and right strip-shaped hole, left guidance rocker arm and right guidance in left-right direction on incision cutter bracket
The other end of rocker arm is separately positioned in left strip-shaped hole and right strip-shaped hole, and left guidance rocker arm and right guidance rocker arm control lower cutter support
Frame moves in left-right direction；
Or: the incision cutter bracket is arranged on cutter chuck holder adapted by guide rail, and guide rail controls incision cutter bracket in left-right direction
It is mobile.
In a kind of above-mentioned sewing machine, it is provided on the presser foot lifter cam when the shaft edge of motor rotates clockwise
Presser foot lifter connecting rod is in the notch of idle stroke state.
The advantage that the utility model protrudes compared with prior art is:
1, the utility model using stepper motor as power source there is performance to stablize, and the small advantage of noise improves machine
The quality of device.
2, the utility model can realize the control to presser foot lifter and trimming action, optimization knot by a motor respectively
Structure, it is non-interference.
Detailed description of the invention:
Fig. 1 is structure of the lower cutter drive link of the utility model with incision cutter bracket using one of connection structure
One of schematic diagram；
Fig. 2 is structure of the lower cutter drive link of the utility model with incision cutter bracket using one of connection structure
The two of schematic diagram；
Fig. 3 is that the lower cutter drive link of the utility model is shown with incision cutter bracket using the structure of another middle connection structure
One of be intended to；
Fig. 4 is that the lower cutter drive link of the utility model is shown with incision cutter bracket using the structure of another middle connection structure
The two of intention；
Fig. 5 is the schematic diagram that the utility model is arranged on casing；
Fig. 6 is the schematic diagram of the presser foot lifter cam of the utility model.
In figure: 1, motor；2, casing；3, last item is lifted；4, presser foot lifter cam；5, presser foot lifter connecting rod；6, idler wheel；7, presser foot lifter
Crank；8, pressure foot lifting main shaft；9, pressure foot lifting crank；10, presser feet pricks head connecting plate；11, presser feet pricks head；12, presser feet axis；
13, presser feet；14, presser foot lifter crank web；15, arc groove；16, trimming driving push rod；17, transmission bracket；18, trimming drives
Moving axis；19, it is driven shaft driver；20, reset spring；21, incision cutter bracket；22, moving knife；23, cutter chuck holder adapted；24, stationary knife；25,
Trimming drives axle bed；26, lower cutter drives small rod；27, lower cutter drive link；28, left guidance rocker arm；29, right guidance is shaken
Arm；30, left strip-shaped hole；31, right strip-shaped hole；32, guide rail；33, loose ends push plate；34, loose ends crank；35, loose ends crank shaft member
Axis；36, the connecting plate of loose ends crank shaft member；37, loose ends pin；38, line thread tension releasing lever fixing seat is crossed；39, thread tension releasing disc；40, mistake
Line thread tension releasing lever；41, notch.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-6:
A kind of sewing machine is provided with lift including motor 1 and the lift last item 3 being arranged on casing 2 in the shaft of motor 1
Presser feet cam 4, lift last item 3 are fixedly connected with the upper end of presser foot lifter connecting rod 5, and the lower end of presser foot lifter connecting rod 5 is provided with idler wheel 6, rolling
Wheel 6 is connect with the curved face contact of presser foot lifter cam 4, and the upper end of presser foot lifter connecting rod 5 also passes through presser foot lifter crank web 14 and lift
Presser feet crank 7 connects, and presser foot lifter crank 7 is installed on pressure foot lifting main shaft 8, is additionally provided with presser feet on pressure foot lifting main shaft 8 and mentions
Crank 9 is risen, pressure foot lifting crank 9 is pricked head connecting plate 10 by presser feet and connect with presser feet bundle head 11, and the presser feet pricks head 11 and pressure
Foot axis 12 connects, and presser feet axis 12 is pricked head 11 with presser feet and moved up and down, and the lower end of presser feet axis 12 is provided with presser feet 13.
The working principle of the automatic needle-foot-lifting structure of the utility model is:
The shaft rotation of motor 1 drives presser foot lifter cam 4 to rotate, and then presser foot lifter connecting rod 5 is driven to put on lift last item 3
Dynamic, the lift movement of last item 3 drives presser foot lifter crank web 14 to act and then pressure foot lifting main shaft 8 is driven to rotate, and is connected to presser feet
Pressure foot lifting crank 9 on lifting spindle 8 drives presser feet bundle head connecting plate 10 to move upwards and realizes that presser feet axis 12 moves up, real
The movement of existing presser foot lifter.
Further, the axis of the lift last item 3 is vertical with the axis of pressure foot lifting main shaft 8.And the presser foot lifter crank 7
Connecting plate is connect with 5 bias of presser foot lifter connecting rod.
Specifically, the lower end that the presser feet pricks head connecting plate 10 is provided with strip-shaped hole, and presser feet pricks head connecting plate 10 and passes through spiral shell
Nail is pricked head 11 with presser feet across the strip-shaped hole and is connect.
Further, in order to optimize structure, it is dynamic that the motor 1 of the utility model can be also used for driving automatic thread trimming device
Make.
Specifically, the motor 1 is double end motor, and one end of shaft is provided with presser foot lifter cam 4, the other end is provided with and cuts
Line driving push rod 16；It is provided with transmission bracket 17 on 2 lateral surface of casing of 16 side of trimming driving push rod, in transmission bracket 17
On be provided with trimming drive shaft 18 in left-right direction, be provided in trimming drive shaft 18 transmission shaft driver 19, transmission shaft drive
One end of moving part 19 is fixed in trimming drive shaft 18, the other end is vacantly arranged positioned at the side of trimming driving push rod 16, is being cut
It is arranged with reset spring 20 outside line drive shaft 18, one end of reset spring 20 holds out against left end, other end top in transmission bracket 17
Tightly on transmission shaft driver 19, the right end of trimming drive shaft 18 is connect by gear unit with incision cutter bracket 21, in incision
The right end of cutter bracket 21 is provided with moving knife 22, and tool fixing frame is provided with stationary knife 24 on cutter chuck holder adapted 23, and stationary knife 24 is located at moving knife
22 top, the shaft of motor 1, which rotates clockwise, drives trimming driving push rod 16 to act on transmission shaft driver 19, and transmission shaft drives
Moving part 19 drives trimming drive shaft 18 to be moved to the left along its axis, stretches out moving knife 22 to the right, the shaft of motor 1 turns clockwise
It is dynamic, it is moved to the left moving knife 22 and returns sword, at this point, trimming is realized in moving knife 22 and the cooperation of stationary knife 24.
Specifically, the gear unit includes the trimming driving axle bed 25 for being installed in 18 right end of trimming drive shaft, and trimming drives
Moving axis seat 25 drives small rod 26 and lower cutter drive link 27 hinged by lower cutter, and lower cutter drive link 27 passes through screw
It is rotatably connected on cutter chuck holder adapted 23,27 other end of lower cutter drive link is connect with incision cutter bracket 21, lower cutter drive link
27 rotate drive incision cutter bracket 21 around screw moves back and forth in left-right direction.Gear unit can also with construction of wire rope come
It realizes.
The structure that the lower cutter drive link 27 of the utility model is connect with incision cutter bracket 21 can be as flowering structure it
One:
First is that the other end of the lower cutter drive link 27 is provided with strip-shaped hole, lower cutter drive link 27 it is another
End passes through strip-shaped hole by screw and is connected on incision cutter bracket 21, and lower cutter drive link 27, which is swung, drives incision cutter bracket 21
It moves back and forth in left-right direction；
Second is that the end face of the other end of the lower cutter drive link 27 is arcwall face, it is corresponding on incision cutter bracket 21
Position is provided with arc groove 15, and the other end of lower cutter drive link 27 is arranged in arc groove 15, and lower cutter driving connects
Bar 27, which is swung, drives incision cutter bracket 21 to move back and forth in left-right direction.
In addition, the structure that incision cutter bracket 21 described in the utility model moves in left-right direction is also possible to such as flowering structure
One of:
First is that being hinged with left guidance rocker arm 28 and right guidance rocker arm on the cutter chuck holder adapted 23 of 21 side of incision cutter bracket
29, it is provided with left strip-shaped hole 30 and the right strip-shaped hole 31 of right strip-shaped hole 31 in left-right direction on incision cutter bracket 21, left guidance is shaken
The other end of arm 28 and right guidance rocker arm 29 is separately positioned in left strip-shaped hole 30 and right strip-shaped hole 31, left guidance rocker arm 28 and the right side
Guidance rocker arm 29 controls incision cutter bracket 21 and moves in left-right direction；
Second is that the incision cutter bracket 21 is arranged on cutter chuck holder adapted 23 by guide rail 32, guide rail 32 controls incision cutter bracket
21 move in left-right direction.
Since the motor 1 of the utility model needs to switch two direction of rotation, interfere in order to prevent, the presser foot lifter is convex
The notch 41 that the presser foot lifter connecting rod 5 when the shaft edge of motor 1 rotates clockwise is in idle stroke state, and institute are provided on wheel 4
The other end for stating transmission shaft driver 19 is located at the left side of trimming driving push rod 16.
The working principle of the utility model is:
When trimming: the shaft of motor 1, which rotates clockwise, drives trimming driving push rod 16 to act on transmission shaft driver 19, passes
Moving axis actuator 19 drives trimming drive shaft 18 to be moved to the left along its axis, and reset spring 20 is compressed, at this point, idler wheel 6 is located at
The notch 41 (being in idle stroke) of presser foot lifter cam 4, presser foot lifter connecting rod 5 is failure to actuate.Trimming in trimming drive shaft 18 is set
Driving axle bed 25 is moved to the left, and driving lower cutter drive link 27 rotates, and lower cutter drive link 27 drives incision cutter bracket 21
It moves right, moving knife 22 is made to stretch out (knife-like state out) to the right, the angle that the shaft of motor 1 rotates clockwise is set in advance by controller
It is fixed.After rotateing in place, the shaft of motor 1 resets, and trimming drive shaft 18 moves right reset under the action of reset spring 20, under
Cutter bracket 21 drives moving knife 22 to be moved to the left (state of returning sword), and trimming is realized in moving knife 22, the cooperation of stationary knife 23 at this time.
When presser foot lifter: the shaft of motor 1 rotates counterclockwise, and presser foot lifter connecting rod 5 is pressed under the action of presser foot lifter cam 4 around lift
The rotation of axis 3 drives presser foot lifter crank web 14 to pull down, and then pressure foot lifting main shaft 8 is driven to rotate, and then realizes that presser foot lifter is dynamic
Make.At this point, trimming driving push rod 16 is rotated away from transmission shaft driver 19, transmission shaft driver 19 is failure to actuate.
The left end of the trimming drive shaft 18 of the utility model is also connected with loose ends push plate 33, loose ends push plate 33 and loose ends crank
34 connections, loose ends crank 34 are connect with the axis 35 of L shape or the loose ends crank shaft member of T shape, the connecting plate of loose ends crank shaft member
It is provided with loose ends pin 37 on 36 and crosses line thread tension releasing lever fixing seat 38, loose ends pin 37 is connect with the thread tension releasing disc 39 of clamp device assembly, mistake
Line thread tension releasing lever fixing seat 38 is connect with the line thread tension releasing lever 40 of crossing of clamp device assembly.Loose ends may be implemented while carrying out trimming.
In addition, motor 1 described in the utility model is stepper motor, can also be replaced by rotary cylinder.
The term of such as "upper", "lower", "left", "right", " centre " and " one " cited in this specification, is also only just
In being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under more technology contents, when being also considered as the enforceable scope of the present invention.
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 (9)
1. a kind of sewing machine, it is characterised in that: including motor (1) and the lift last item (3) being arranged on casing (2), in motor (1)
Shaft on be provided with presser foot lifter cam (4), lift last item (3) be fixedly connected with the upper end of presser foot lifter connecting rod (5), presser foot lifter connecting rod
(5) lower end is provided with idler wheel (6), and idler wheel (6) is connect with the curved face contact of presser foot lifter cam (4), presser foot lifter connecting rod (5) it is upper
End is also connect by presser foot lifter crank web (14) with presser foot lifter crank (7), and presser foot lifter crank (7) is installed in pressure foot lifting master
It on axis (8), is additionally provided on pressure foot lifting main shaft (8) pressure foot lifting crank (9), pressure foot lifting crank (9) pricks head by presser feet
Connecting plate (10) is pricked head (11) with presser feet and is connect, and the presser feet is pricked head (11) and connect with presser feet axis (12), and presser feet axis (12) is with pressure
Foot is pricked head (11) and is moved up and down.
2. a kind of sewing machine according to claim 1, it is characterised in that: the axis and pressure foot lifting of lift last item (3)
The axis of main shaft (8) is vertical.
3. a kind of sewing machine according to claim 1, it is characterised in that: the presser foot lifter crank web (14) and lift are pressed
The eccentric connection of foot connecting rod (5).
4. a kind of sewing machine according to claim 1, it is characterised in that: the lower end that the presser feet pricks head connecting plate (10) is set
It is equipped with strip-shaped hole, presser feet is pricked head connecting plate (10) and connect across the strip-shaped hole with presser feet bundle head (11) by screw.
5. a kind of sewing machine according to claim 1-4, it is characterised in that: the motor (1) is double end motor,
One end of shaft is provided with presser foot lifter cam (4), the other end is provided with trimming driving push rod (16)；In trimming driving push rod (16)
Transmission bracket (17) are provided on casing (2) lateral surface of side, are provided with trimming in left-right direction on transmission bracket (17)
Drive shaft (18), is provided with transmission shaft driver (19) on trimming drive shaft (18), and one end of transmission shaft driver (19) is solid
It is scheduled on trimming drive shaft (18), the other end is vacantly arranged positioned at the side of trimming driving push rod (16), in trimming drive shaft
(18) it is arranged with reset spring (20) outside, one end of reset spring (20) holds out against left end, other end top in transmission bracket (17)
Tightly in transmission shaft driver (19), the right end of trimming drive shaft (18) is connect by gear unit with incision cutter bracket (21),
The right end of incision cutter bracket (21) is provided with moving knife (22), stationary knife (24) are provided with by tool fixing frame on cutter chuck holder adapted (23),
Stationary knife (24) is located at the top of moving knife (22), and the shaft of motor (1), which rotates clockwise, drives trimming driving push rod (16) to act on
It is driven shaft driver (19), transmission shaft driver (19) drives trimming drive shaft (18) to be moved to the left along its axis, makes moving knife
(22) it stretches out to the right, the shaft of motor (1) rotates clockwise, and is moved to the left moving knife (22) and returns sword, at this point, moving knife (22) and fixed
Trimming is realized in knife (24) cooperation.
6. a kind of sewing machine according to claim 5, it is characterised in that: the gear unit includes being installed in trimming driving
The trimming of axis (18) right end drives axle bed (25), and trimming drives axle bed (25) to pass through lower cutter driving small rod (26) and lower cutter
Hingedly, lower cutter drive link (27) is rotatably connected on cutter chuck holder adapted (23) drive link (27) by screw, lower cutter driving
Connecting rod (27) other end is connect with incision cutter bracket (21), and lower cutter drive link (27) rotates around screw and drives incision cutter bracket
(21) it moves back and forth in left-right direction.
7. a kind of sewing machine according to claim 6, it is characterised in that: the other end of the lower cutter drive link (27)
It is provided with strip-shaped hole, the other end of lower cutter drive link (27) passes through strip-shaped hole by screw and is connected to incision cutter bracket (21)
On, lower cutter drive link (27), which is swung, drives incision cutter bracket (21) to move back and forth in left-right direction；
Or: the end face of the other end of the lower cutter drive link is arcwall face, and corresponding position is set on incision cutter bracket (21)
It is equipped with arc groove (15), in arc groove (15), lower cutter driving connects for the other end setting of lower cutter drive link (27)
Bar (27), which is swung, drives incision cutter bracket (21) to move back and forth in left-right direction.
8. a kind of sewing machine according to claim 6, it is characterised in that: the cutter chuck holder adapted of incision cutter bracket (21) side
(23) it is hinged with left guidance rocker arm (28) and right guidance rocker arm (29) on, is provided in left-right direction on incision cutter bracket (21)
The other end of left strip-shaped hole (30) and right strip-shaped hole (31), left guidance rocker arm (28) and right guidance rocker arm (29) is separately positioned on a left side
In strip-shaped hole (30) and right strip-shaped hole (31), left guidance rocker arm (28) and right guidance rocker arm (29) control incision cutter bracket (21) edge
Left and right directions is mobile；
Or: the incision cutter bracket (21) is arranged on cutter chuck holder adapted (23) by guide rail, and guide rail controls incision cutter bracket (21) edge
Left and right directions is mobile.
9. a kind of sewing machine according to claim 5, it is characterised in that: be provided on the presser foot lifter cam (4) in electricity
The shaft of machine (1) is in the notch (41) of idle stroke state along presser foot lifter connecting rod (5) when rotating clockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820612142.7U CN208183275U (en) | 2018-04-26 | 2018-04-26 | A kind of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820612142.7U CN208183275U (en) | 2018-04-26 | 2018-04-26 | A kind of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208183275U true CN208183275U (en) | 2018-12-04 |
Family
ID=64431485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820612142.7U Expired - Fee Related CN208183275U (en) | 2018-04-26 | 2018-04-26 | A kind of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208183275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440312A (en) * | 2019-01-10 | 2019-03-08 | 杰克缝纫机股份有限公司 | The control method of trimming and presser foot lifting device on a kind of sewing machine |
| CN113668146A (en) * | 2020-05-15 | 2021-11-19 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2018
- 2018-04-26 CN CN201820612142.7U patent/CN208183275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440312A (en) * | 2019-01-10 | 2019-03-08 | 杰克缝纫机股份有限公司 | The control method of trimming and presser foot lifting device on a kind of sewing machine |
| CN113668146A (en) * | 2020-05-15 | 2021-11-19 | 杰克缝纫机股份有限公司 | Sewing machine |
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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: 20181204 Termination date: 20200426 |