CN209722475U - A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine - Google Patents
A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine Download PDFInfo
- Publication number
- CN209722475U CN209722475U CN201920306418.3U CN201920306418U CN209722475U CN 209722475 U CN209722475 U CN 209722475U CN 201920306418 U CN201920306418 U CN 201920306418U CN 209722475 U CN209722475 U CN 209722475U
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- CN
- China
- Prior art keywords
- loose ends
- presser foot
- foot lifter
- presser
- furcation
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
- D05B47/04—Automatically-controlled tensioning devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to sewing device technical field, refers in particular to a kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine；Presser foot lifter loose ends cam is arranged in the shaft of motor, one end of shaft on presser foot lifter loose ends cam far from motor is provided with spring base one, presser foot lifter loose ends top plate includes furcation one, furcation two and furcation three, and the middle part of presser foot lifter loose ends top plate is rotatably connected on casing by presser foot lifter loose ends pin, the outer end of furcation two is provided with spring base two, it is connected by tension spring so that the outer cylinder of spring base two and the outer cylinder of presser foot lifter loose ends cam connect between spring base one and spring base two, the outer end of furcation one is located at the lower section of the presser bar spring bracket of presser foot component, the outer end of furcation three is located at the side of the auxiliary nail of loose ends of loose ends component；The utility model is acted by a motor control loose ends and presser foot lifter, compact-sized, is connected between presser foot lifter loose ends cam and spring base two and is driven presser foot lifter loose ends top panel turns, noise is small, and production cost is low.
Description
Technical field:
The utility model belongs to sewing device technical field, refers in particular to a kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine.
Background technique:
Tension disk is generally provided on sewing machine.The effect of tension disk is in sewing machine work, and tension disk is by suture
It clamps, makes suture that there is suitable elasticity；After sewing, when automatic shearing, tension disk cannot unclamp automatically, then need
Setting thread-loosening device controls tension disk and unclamps automatically.
Foot device is also equipped on sewing machine.Presser feet is pressed on the top of sewing when sewing machine works, presser foot lifter
Movement is driven by presser foot lifting device.
The automatic thread releasing mechanism of the sewing machine as disclosed in 204644631 U of Chinese patent CN, including linear actuator, set
Wobble crank below linear actuator, loose ends top tool bevelled loose ends top plate and be resisted against on loose ends top plate inclined-plane
Bar, the other end of the loose ends mandril are resisted against on the tension disk with reset spring, have axis hole on the wobble crank,
Top plate axis is fixed in the axis hole, one end of the top plate axis wears and is connected on loose ends top plate, and the swing is bent
Handle makees circuit oscillation around the central axes of top plate axis, is arranged with the reduction torsion spring acted on loose ends top plate on the top plate axis.
When automatically controlled sending loose ends signal, linear actuator is powered, and straight-bar is released downwards, and wobble crank is driven to turn counterclockwise
It is dynamic, loose ends top plate synchronous hunting is driven, is transported to the right under the promotion on loose ends top plate inclined-plane with the loose ends mandril of loose ends top plate contact
Dynamic, loose ends mandril pushes tension releasing pin, tension disk loose ends.After power-off, straight-bar resets under the action of return spring, loose ends top plate and pendulum
Dynamic crank resets under the action of reduction torsion spring, and tension disk resets under the action of reset spring, and tension disk is in clamp state.
For another example a kind of foot lifting mechanism disclosed in 206873066 U of Chinese patent CN, including electromagnet, crank, connecting rod,
Transmission component and presser foot component, the electromagnet are connected by crank, connecting rod and transmission component with presser foot component, the crank
Corner is used to be hinged with the casing of sewing machine, which is characterized in that the upper end of the crank is connected with connecting rod, the electromagnet
Iron core be resisted against the bottom of crank lower end, foot lifting mechanism further includes knee control mandril and driving lever, one end of the driving lever and institute
The end for stating crank lower end is connected, and the other end of the driving lever is used to be hinged with the casing of sewing machine, the knee control mandril
It is hinged in the middle part of top and driving lever.
It is driven respectively by two independent drivers from the above it can be seen that the loose ends and presser foot lifter on existing sewing machine act,
There is the defects of at high cost, structure is complicated, assembly time is long.
Summary of the invention:
The purpose of the utility model is to provide a kind of automatic needle-foot-lifting thread releasing mechanism that is compact-sized, reducing production cost 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 needle-foot-lifting thread releasing mechanism, including motor, presser feet group
Part, loose ends component, presser foot lifter loose ends cam and presser foot lifter loose ends top plate, presser foot lifter loose ends cam are arranged in the shaft of motor,
One end of shaft on presser foot lifter loose ends cam far from motor is provided with spring base one, and the presser foot lifter loose ends top plate includes point
Fork one, furcation two and furcation three, and the middle part of presser foot lifter loose ends top plate is rotatably connected on machine by presser foot lifter loose ends pin
On shell, the outer end of furcation two is provided with spring base two, is connected by tension spring so that tension spring between spring base one and spring base two
The outer cylinder of seat two and the outer cylinder of presser foot lifter loose ends cam connect, and the outer end of furcation one is located at the compression bar of presser foot component
The lower section of saddle, the outer end of furcation three are located at the side of the auxiliary nail of loose ends of loose ends component.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, the presser foot lifter loose ends cam includes isometrical portion and variable diameter
Portion, the shaft of the motor and the isometrical portion of presser foot lifter loose ends cam are coaxially disposed.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, torsional spring, torsional spring one are arranged on the presser foot lifter loose ends pin
The pivoted arm at end is resisted against on furcation two, the other end is resisted against in lift pressing spring return pin, and the lift pressing spring return pin is located at
On casing below presser foot lifter loose ends top plate.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, it is respectively set on the presser foot lifter loose ends pin of the torsional spring two sides
There is the circlip that axial limiting is carried out to torsional spring.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism is set, the presser foot lifter component includes presser bar spring bracket, and compression bar is led
Frame is installed on presser feet axis, is installed with presser feet in the lower end of presser feet axis.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, the presser foot lifter loose ends cam includes cam part and installation
Portion is provided with shaft mounting hole on mounting portion, and shaft is plugged in shaft mounting hole, and the screw by being arranged radially and installation
Portion is fixedly connected.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, the furcation three is L-shaped, and with loose ends it is auxiliary nail against
Face is inclined-plane.
In a kind of above-mentioned automatic needle-foot-lifting thread releasing mechanism, the motor is stepper motor or grating electromechanical.
Another purpose of the utility model is to provide a kind of sewing machine, wraps the automatic needle-foot-lifting thread releasing mechanism stated.
The advantage that the utility model protrudes compared with prior art is:
The utility model is acted by a motor control loose ends movement with presser foot lifter, compact-sized, presser foot lifter loose ends cam
It is connected between spring base two and drives presser foot lifter loose ends top panel turns, noise is small, and production cost is effectively reduced.
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 one of the schematic diagram of the presser foot lifter loose ends top plate of the utility model；
Fig. 4 is the two of the schematic diagram of the presser foot lifter loose ends top plate of the utility model；
Fig. 5 is that the automatic needle-foot-lifting thread releasing mechanism of the utility model is mounted on the schematic diagram on casing；
Fig. 6 is the portion the A enlarged diagram of Fig. 5；
Fig. 7 is the schematic diagram of the presser foot lifter loose ends cam of the utility model.
In figure: 1, motor；2, presser foot lifter loose ends cam；3, presser foot lifter loose ends top plate；4, shaft；5, spring base one；6, divide
Fork one；7, furcation two；8, furcation three；9, presser foot lifter loose ends pin；10, casing；11, spring base two；12, tension spring；13, it presses
Rod carrier；14, the auxiliary nail of loose ends；15, isometrical portion；16, varying diameter portion；17, torsional spring；18, pressing spring return pin is lifted；19, circlip；20,
Presser feet axis；21, presser feet；22, shaft mounting hole；23, yarn take-up spring adjustment seat；24, thread tension disc；25, tension regulating thumb nut；26, thread tension spring；
27, tension releasing pin；28, reset spring.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-7:
A kind of automatic needle-foot-lifting thread releasing mechanism, including motor 1, presser foot component, loose ends component, presser foot lifter loose ends cam 2 and
Presser foot lifter loose ends top plate 3, wherein the motor 1 is stepper motor, is also possible to grating electromechanical etc..The present embodiment preferably walks
Into motor.Stepper motor is fixed on casing 10.Presser foot lifter loose ends cam 2 is arranged in the shaft 4 of motor 1, presser foot lifter loose ends
Cam 2 is rotated synchronously with shaft 4.One end of shaft 4 on presser foot lifter loose ends cam 2 far from motor 1 is provided with spring base one
5, the presser foot lifter loose ends top plate 3 includes furcation 1, furcation 27 and furcation 38, furcation 1 and furcation 38
The two sides of furcation 27 are located at, and the middle part of presser foot lifter loose ends top plate 3 is rotatably connected on machine by presser foot lifter loose ends pin 9
On shell 10, the outer end of furcation 26 is provided with spring base 2 11, is connected between spring base 1 and spring base 2 11 by tension spring 12
It connects so that the outer cylinder of spring base 2 11 and the outer cylinder of presser foot lifter loose ends cam 3 connect, the outer end of furcation 1 is located at
The lower section of the presser bar spring bracket 13 of presser foot component, the outer end of furcation 38 are located at the side of the auxiliary nail 14 of loose ends of loose ends component.
Further, the presser foot lifter loose ends cam 2 includes isometrical portion 15 and varying diameter portion 16, the shaft 4 of the motor 1
It is coaxially disposed with the isometrical portion 15 of presser foot lifter loose ends cam 3.The shaft 4 of motor 1 drives presser foot lifter loose ends top plate 3 forward or reverse
Its movement is followed to invert or rotate forward the movement for realizing loose ends or presser foot lifter around presser foot lifter loose ends pin 9.
In order to be bonded the outer cylinder of presser foot lifter loose ends cam 3 with spring base 2 11 always, on the presser foot lifter loose ends pin 9
It is arranged with torsional spring 17, the pivoted arm of 17 one end of torsional spring is resisted against on furcation 27, the other end is resisted against lift pressing spring return pin 18
On, the lift pressing spring return pin 18 is located on the casing 10 of 3 lower section of presser foot lifter loose ends top plate.
Torsional spring 17 generates axial displacement on presser foot lifter loose ends pin 9 in order to prevent, or even takes off from presser foot lifter loose ends pin 9
From being respectively arranged with circlip 19 on the presser foot lifter loose ends pin 9 of 17 two sides of torsional spring.Circlip 19 can also be by retaining ring or one end
The structure for being provided with annular convex edge, other end setting circlip or retaining ring replaces, but due to consideration that size and processing are asked
Topic, the preferred circlip 19 of the present embodiment.
Further, the presser foot lifter component includes presser bar spring bracket 13, and presser bar spring bracket 13 is installed on presser feet axis 20, In
The lower end of presser feet axis 20 is installed with presser feet 21.
When presser foot lifter, the shaft 4 of motor 1 is rotated, and is driven the rotation (i.e. clockwise) upward of furcation 1, is driven presser feet axis
20, presser feet 21 is lifted up.
When presser feet 21 needs to put down, the shaft 4 of motor 1 is rotated, and drives the rotation (i.e. counterclockwise) downward of furcation 1,
Presser feet axis 20, presser feet 21 move down.
The angle that the utility model can be rotated by presser foot lifter loose ends cam 3 controls when presser feet 21 is put down between needle plate
Distance, be suitable for different-thickness sewing sewing.
Further, the presser foot lifter loose ends cam 3 includes cam part and mounting portion, and shaft installation is provided on mounting portion
The shaft mounting hole 22 in hole 22, the present embodiment is arranged through cam part.Shaft 4 is plugged in shaft mounting hole 22, and passes through diameter
It is fixedly connected to the screw of setting with mounting portion.
Connection structure between presser foot lifter loose ends cam 3 and shaft 4 besides the aforementioned constitutions, can also be using key connection
Mode connect, it is common such as spline connection structure.When connection using spline, it is also necessary to circlip is set or be arranged radially
Screw etc. limits position of the presser foot lifter loose ends cam 3 in shaft 4.
The utility model loose ends it is auxiliary nail 14 activity direction it is vertical with the direction of presser feet axis 20, it is contemplated that furcation 38 and
Positional relationship between the auxiliary nail 14 of loose ends, it is L-shaped that the furcation 38 is arranged in the utility model, that is to say, that furcation 38 with
Not in the same plane, furcation 38 is some closer to the auxiliary nail 14 of loose ends for furcation 1, furcation 27.And it is auxiliary with loose ends
Nail 14 against face be inclined-plane, and the upper end on inclined-plane is greater than the lower end on inclined-plane to the distance between the front plan of furcation 27
To the distance between the front plan of furcation 27.When the auxiliary nail 14 of loose ends is resisted against the upper end on inclined-plane, it is in loose ends state,
When the auxiliary nail 14 of loose ends is resisted against the lower end on inclined-plane, it is in clamp state.
Further, the loose ends component includes yarn take-up spring adjustment seat 23, the auxiliary nail 19 of loose ends, yarn take-up spring adjustment seat 23, pine
The auxiliary nail 19 of line is mounted on casing 10, its axial direction is provided with loose ends in yarn take-up spring adjustment seat 23 and determines mounting hole, yarn take-up spring tune
The front end for saving seat 23 is stretched out except casing 10, thread tension disc abutment face is provided in yarn take-up spring adjustment seat 23, in yarn take-up spring tune
The front end setting of seat 23 is saved there are two thread tension disc 24 and tension regulating thumb nut 25, is provided with clamp between thread tension disc 24 and tension regulating thumb nut 25
Thread tension disc 24 is resisted against on thread tension disc abutment face by spring 26, one end of tension releasing pin 27 be arranged in tension releasing pin mounting hole and be located at
The thread tension disc 24 in outside abuts, the other end stretches out except the rear end of yarn take-up spring adjustment seat 23, the auxiliary nail 19 of loose ends and tension releasing pin 27
Axis coaxle line is arranged in parallel, and the auxiliary nail 19 of loose ends can be resisted against on tension releasing pin 27, is provided with circlip on the auxiliary nail 19 of loose ends,
It is arranged with outside tension releasing pin 27 and resets 28 spring of bullet, one end of reset spring 28 holds out against on the trailing flank of yarn take-up spring adjustment seat 23,
The other end is held out against on circlip.When ramp effect on furcation 38 is on the auxiliary nail 19 of loose ends, with the tilt angle on inclined-plane
Variation drives the auxiliary nail 19 of loose ends to achieve the purpose that loose ends against the thread tension disc 24 that tension releasing pin 27 is opened positioned at outside in turn.Work as pine
After the auxiliary nail 19 of line resets under the action of reset spring 28, thread tension spring 26 drives tension releasing pin 27 to reset, and two thread tension discs 24 paste again
It closes and realizes gripping action.
Another purpose of the utility model is to provide a kind of sewing machine, including above-mentioned presser foot lifter thread-loosening device.
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 automatic needle-foot-lifting thread releasing mechanism, it is characterised in that: including motor (1), presser foot component, loose ends component, presser foot lifter
Loose ends cam (2) and presser foot lifter loose ends top plate (3), presser foot lifter loose ends cam (2) are arranged in the shaft (4) of motor (1), are lifting
One end of shaft (4) on presser feet loose ends cam (2) far from motor (1) is provided with spring base one (5), presser foot lifter loose ends top
Plate (3) includes furcation one (6), furcation two (7) and furcation three (8), and passes through lift in the middle part of presser foot lifter loose ends top plate (3)
Presser feet loose ends pin (9) is rotatably connected on casing (10), and the outer end of furcation two (7) is provided with spring base two (11), spring base
It is connect by tension spring (12) so that the outer cylinder and presser foot lifter loose ends of spring base two (11) are convex between one (5) and spring base two (11)
The outer cylinder for taking turns (2) connects, and the outer end of furcation one (6) is located at the lower section of the presser bar spring bracket (13) of presser foot component, bifurcated
The outer end in portion three (8) is located at the side of the auxiliary nail (14) of loose ends of loose ends component.
2. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1, it is characterised in that: the presser foot lifter loose ends cam
It (2) include isometrical portion (15) and varying diameter portion (16), the shaft (4) of the motor (1) and the isometrical portion of presser foot lifter loose ends cam (2)
(15) it is coaxially disposed.
3. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1 or 2, it is characterised in that: the presser foot lifter loose ends
It is arranged with torsional spring (17) on pin (9), the pivoted arm of torsional spring (17) one end is resisted against on furcation two (7), the other end is resisted against lift pressure
On spring reset pin (18), lift pressing spring return pin (18) is located on the casing (10) below presser foot lifter loose ends top plate (3).
4. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 3, it is characterised in that: torsional spring (17) two sides
The circlip (19) that torsional spring (17) are carried out with axial limiting is respectively arranged on presser foot lifter loose ends pin (9).
5. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1, it is characterised in that: the presser foot lifter component includes
Presser bar spring bracket (13), presser bar spring bracket (13) are installed on presser feet axis (20), are installed with presser feet (21) in the lower end of presser feet axis (20).
6. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1, it is characterised in that: the presser foot lifter loose ends cam
(2) include cam part and mounting portion, be provided on mounting portion shaft mounting hole (22), shaft (4) is plugged in shaft mounting hole
(22) in, and the screw by being arranged radially is fixedly connected with mounting portion.
7. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1, it is characterised in that: the furcation three (8) is in L
Shape, and with loose ends it is auxiliary nail (14) against face be inclined-plane.
8. a kind of automatic needle-foot-lifting thread releasing mechanism according to claim 1, it is characterised in that: the motor (1) is stepping
Motor or grating electromechanical.
9. a kind of sewing machine, it is characterised in that: including the described in any item automatic needle-foot-lifting thread releasing mechanisms of claim 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920306418.3U CN209722475U (en) | 2019-03-11 | 2019-03-11 | A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine |
| PCT/CN2020/070017 WO2020181904A1 (en) | 2019-03-11 | 2020-01-02 | Automatic pressing foot lifting thread-loosening mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920306418.3U CN209722475U (en) | 2019-03-11 | 2019-03-11 | A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209722475U true CN209722475U (en) | 2019-12-03 |
Family
ID=68686000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920306418.3U Active CN209722475U (en) | 2019-03-11 | 2019-03-11 | A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209722475U (en) |
| WO (1) | WO2020181904A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110983646A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine and device for lifting presser foot and adjusting pressure of presser foot when thread is loosened |
| 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 |
| CN111350034A (en) * | 2020-04-24 | 2020-06-30 | 拓卡奔马机电科技有限公司 | Sewing machine and thread clamping device thereof |
| WO2020181904A1 (en) * | 2019-03-11 | 2020-09-17 | 浙江翔科缝纫机股份有限公司 | Automatic pressing foot lifting thread-loosening mechanism and sewing machine |
| CN111793910A (en) * | 2020-07-14 | 2020-10-20 | 杰克缝纫机股份有限公司 | Sewing machine and presser foot lifting and upper thread tension adjusting mechanism thereof |
| WO2021227260A1 (en) * | 2020-05-15 | 2021-11-18 | 杰克缝纫机股份有限公司 | Sewing machine integrating presser foot lifting and thread tension adjustment |
| CN114481463A (en) * | 2020-11-11 | 2022-05-13 | 杰克科技股份有限公司 | Flush joint machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006149440A (en) * | 2004-11-25 | 2006-06-15 | Juki Corp | Sewing machine |
| CN101532215A (en) * | 2009-04-14 | 2009-09-16 | 上海贵衣缝纫设备有限公司 | Automatic lifting device for presser foot of bar tacking machine |
| CN103184660B (en) * | 2013-03-20 | 2014-07-16 | 新杰克缝纫机股份有限公司 | Thread releasing device for sewing machine |
| CN203420092U (en) * | 2013-08-23 | 2014-02-05 | 新杰克缝纫机股份有限公司 | Automatic foot lifting and pressing mechanism of sewing machine |
| CN106637735B (en) * | 2016-12-07 | 2020-01-31 | 杰克缝纫机股份有限公司 | Thread trimming and presser foot lifting mechanism and sewing machine |
| CN207958671U (en) * | 2018-02-08 | 2018-10-12 | 浙江中捷缝纫科技有限公司 | Driving mechanism for sewing machine and the sewing machine with it |
| CN209722475U (en) * | 2019-03-11 | 2019-12-03 | 浙江翔科缝纫机股份有限公司 | A kind of automatic needle-foot-lifting thread releasing mechanism and sewing machine |
-
2019
- 2019-03-11 CN CN201920306418.3U patent/CN209722475U/en active Active
-
2020
- 2020-01-02 WO PCT/CN2020/070017 patent/WO2020181904A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020181904A1 (en) * | 2019-03-11 | 2020-09-17 | 浙江翔科缝纫机股份有限公司 | Automatic pressing foot lifting thread-loosening mechanism 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 |
| CN110983646A (en) * | 2019-12-23 | 2020-04-10 | 杰克缝纫机股份有限公司 | Sewing machine and device for lifting presser foot and adjusting pressure of presser foot when thread is loosened |
| 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 |
| CN110983646B (en) * | 2019-12-23 | 2021-11-02 | 杰克缝纫机股份有限公司 | Sewing machine and device for lifting presser foot and adjusting pressure of presser foot when thread is loosened |
| CN111350034A (en) * | 2020-04-24 | 2020-06-30 | 拓卡奔马机电科技有限公司 | Sewing machine and thread clamping device thereof |
| WO2021227260A1 (en) * | 2020-05-15 | 2021-11-18 | 杰克缝纫机股份有限公司 | Sewing machine integrating presser foot lifting and thread tension adjustment |
| CN111793910A (en) * | 2020-07-14 | 2020-10-20 | 杰克缝纫机股份有限公司 | Sewing machine and presser foot lifting and upper thread tension adjusting mechanism thereof |
| CN114481463A (en) * | 2020-11-11 | 2022-05-13 | 杰克科技股份有限公司 | Flush joint machine |
| CN114481463B (en) * | 2020-11-11 | 2023-06-13 | 杰克科技股份有限公司 | Flat seaming machine |
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| Publication number | Publication date |
|---|---|
| WO2020181904A1 (en) | 2020-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An automatic presser foot lifting and loosing mechanism and sewing machine Effective date of registration: 20210520 Granted publication date: 20191203 Pledgee: Jiaojiang Hongjia sub branch of Bank of Taizhou Co.,Ltd. Pledgor: ZHEJIANG HOVER TECH SEWING MACHINE Co.,Ltd. Registration number: Y2021330000429 |