CN111304839A - Presser foot pressure control device of sewing machine - Google Patents
Presser foot pressure control device of sewing machine Download PDFInfo
- Publication number
- CN111304839A CN111304839A CN202010226470.5A CN202010226470A CN111304839A CN 111304839 A CN111304839 A CN 111304839A CN 202010226470 A CN202010226470 A CN 202010226470A CN 111304839 A CN111304839 A CN 111304839A
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- sewing machine
- presser foot
- lever
- connecting rod
- assembly
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- 238000009958 sewing Methods 0.000 title claims abstract description 106
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- 238000000034 method Methods 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 4
- 230000001965 increasing effect Effects 0.000 description 3
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- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
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- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a pressure control device of a presser foot of a sewing machine, which comprises a sewing machine base, a sewing machine shell, a sewing machine main controller, an electric drive assembly, a presser foot transmission assembly and a presser foot execution assembly, wherein the sewing machine shell is fixedly arranged at one side position of the upper surface of the sewing machine base, the presser foot execution assembly is movably arranged at the other side position of the upper surface of the sewing machine base, the connecting end of the presser foot execution assembly is hinged to one end of the presser foot transmission assembly, and the electric drive assembly is fixedly arranged on the sewing machine shell. Meanwhile, the lifting height of the presser foot can be preset to deal with sewing with different cloth thicknesses, so that the sewing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a pressure control device for a presser foot of a sewing machine.
Background
The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastics, paper and the like, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and the pressure of the presser foot of the existing sewing machine needs to be adjusted to adapt to different sewing fabrics in the use process, so that the best sewing effect is obtained. However, the prior art needs the self-adjustment of a sewing worker, needs good experience to adjust, and cannot adjust in the sewing process.
Disclosure of Invention
The invention aims to provide a presser foot pressure control device of a sewing machine, which aims to solve the problems that the prior art proposed in the background art needs a sewing worker to adjust the presser foot pressure by self, needs good experience to adjust the presser foot pressure and cannot adjust the presser foot pressure in the sewing process.
In order to achieve the purpose, the invention provides the following technical scheme: a presser foot pressure control device of a sewing machine comprises a sewing machine base, a sewing machine shell, a sewing machine main controller, an electric drive assembly, a presser foot transmission assembly and a presser foot execution assembly, wherein the sewing machine shell is fixedly arranged at one side position of the upper surface of the sewing machine base, the presser foot execution assembly is movably arranged at the other side position of the upper surface of the sewing machine base, the connecting end of the presser foot execution assembly is hinged on one end of the presser foot transmission assembly, the electric drive assembly is fixedly arranged on the sewing machine shell, the rotating end of the electric drive assembly is hinged on the other end of the presser foot transmission assembly, the electric drive assembly is used for driving the presser foot transmission assembly to swing, meanwhile, the swing of the presser foot transmission assembly is used for adjusting the pressure when the presser foot execution assembly presses on the sewing machine base, the sewing machine main controller is fixedly arranged on the sewing machine shell and is close to the position of the electric drive assembly, the sewing machine main controller is electrically connected with a driving piece of the electric driving assembly and is used for controlling the rotating angle of the driving piece of the electric driving assembly.
Specifically, the electric driving assembly comprises a stepping motor, a driving shaft and a tooth lifting foot crank, the stepping motor is arranged on a sewing machine shell and electrically connected with a sewing machine main controller, a gear is fixedly arranged at a rotating end of the stepping motor and used for driving the gear to rotate, a sector gear is connected with the gear in a meshed mode, one end of the driving shaft is fixedly arranged on the sector gear, a fixing surface of the tooth lifting foot crank is arranged at the other end of the driving shaft, two sides of the tooth lifting foot crank on the driving shaft are respectively sleeved and rotatably connected with a main shaft sleeve and an auxiliary shaft sleeve, the main shaft sleeve and the auxiliary shaft sleeve are fixedly arranged on the sewing machine shell, and the driving shaft is concentrically matched with the main shaft sleeve and the auxiliary shaft sleeve.
Preferably, the presser foot transmission assembly comprises a space connecting rod and a transmission lever, one end of the space connecting rod is hinged to the handle surface of the feed lifting foot crank through a space connecting rod pin, the other end of the space connecting rod is hinged to one end of the transmission lever through a space connecting rod pin, and the center position of the transmission lever is hinged to the sewing machine shell through a transmission lever screw.
Preferably, the presser foot executing assembly comprises a long connecting rod, an executing lever, a tooth lifting block and a pressing rod, one end of the long connecting rod is hinged to the other end of the transmission lever through a long connecting rod pin, the other end of the long connecting rod is hinged to one end of the executing lever through a long connecting rod pin, the other end of the executing lever is hinged to one end of the tooth lifting connecting rod through a long connecting rod pin, the tooth lifting block is connected to the pressing rod in a sliding mode, the other end of the tooth lifting connecting rod is hinged to the tooth lifting block through a long connecting rod pin, a pressure regulating spring is sleeved and slid on the pressing rod and located on the lower side of the tooth lifting block, a pressing rod guide block is fixedly installed on the pressing rod and located on the lower side of the pressure regulating spring, a presser foot is arranged at one end, close to the sewing machine base, of the.
Preferably, the stepping motor is fixedly installed on the sewing machine shell through a stepping motor support.
Preferably, a positioning check ring is sleeved on the driving shaft and between the tooth lifting foot crank and the main shaft sleeve, one end of the positioning check ring is fixedly installed on the main shaft sleeve, and the positioning check ring is used for limiting the axial movement of the driving shaft.
Preferably, an execution groove is formed in the side wall of the pressure lever and located on the inner side of the pressure adjusting spring, a tooth lifting pin penetrates through the side wall of the tooth lifting block, and one end, penetrating through the interior of the tooth lifting block, of the tooth lifting pin is connected into the execution groove in a sliding mode.
Preferably, one end of the pressure lever, which is far away from the pressure foot, is fixedly provided with a tooth lifting wrench.
Preferably, the upper cover and the lower cover of the pressure lever are respectively arranged on the pressure lever and positioned on the upper side of the feed lifting block and the lower side of the pressure lever guide block.
Compared with the prior art, the invention has the beneficial effects that: sewing machine presser foot pressure controlling means, step motor turned angle through among the sewing machine main control ware control electric drive assembly, the action of doing with step motor through presser foot transmission assembly transmits for presser foot execution assembly, thereby adjust the flexible volume of pressure regulating spring among the presser foot execution assembly, through the flexible volume of pressure regulating spring, change the pressure size on the presser foot or lift up the presser foot, lift up the height and predetermine parameter control by sewing machine main control ware, can automatic adjustment presser foot pressure size as required at sewing machine sewing in-process, thereby adapt to different sewing machine operating modes, for example, sewing thick material presser foot pressure increases, sewing thin material presser foot pressure reduces etc.. Meanwhile, the lifting height of the presser foot can be preset to deal with sewing with different cloth thicknesses, so that the sewing efficiency is improved.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an exploded view of the motorized drive assembly of the present invention;
FIG. 4 is an exploded view of the presser foot drive assembly of the present invention;
FIG. 5 is an exploded view of the presser foot actuator assembly of the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 5.
In the figure: 1-sewing machine base, 2-sewing machine shell, 3-sewing machine main controller, 4-electric drive assembly, 401-stepping motor, 402-drive shaft, 403-tooth lifting foot crank, 404-gear, 405-sector gear, 406-main shaft sleeve, 407-auxiliary shaft sleeve, 408-stepping motor bracket, 409-positioning retainer ring, 5-presser foot drive assembly, 501-space connecting rod, 502-drive lever, 503-space connecting rod pin, 504-drive lever screw, 6-presser foot execution assembly, 601-long connecting rod, 602-execution lever, 603-tooth lifting block, 604-pressure rod, 605-tooth lifting connecting rod, 606-pressure regulating spring, 607-pressure guiding block, 608-presser foot, 609-execution lever screw, 605-pressure rod, 610-execution groove, 611-lifting tooth pin, 612-lifting tooth wrench, 613-upper pressing rod sleeve, 614-lower pressing rod sleeve and 615-long connecting rod pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a pressure control device of a presser foot of a sewing machine comprises a sewing machine base 1, a sewing machine shell 2, a sewing machine main controller 3, an electric drive assembly 4, a presser foot transmission assembly 5 and a presser foot execution assembly 6 in figures 1 and 2, wherein the sewing machine shell 2 is fixedly arranged at one side position of the upper surface of the sewing machine base 1, the presser foot execution assembly 6 is movably arranged at the other side position of the upper surface of the sewing machine base 1, the connecting end of the presser foot execution assembly 6 is hinged on one end of the presser foot transmission assembly 5, the electric drive assembly 4 is fixedly arranged on the sewing machine shell 2, the rotating end of the electric drive assembly 4 is hinged on the other end of the presser foot transmission assembly 5, the electric drive assembly 4 is used for driving the presser foot transmission assembly 5 to swing, and the swing of the presser foot transmission assembly 5 is used for adjusting the pressure when the presser foot execution assembly 6 presses on the sewing machine base 1, the sewing machine main controller 3 is fixedly arranged on the sewing machine shell 2 and leans on the position of the electric driving component 4, the sewing machine main controller 3 is electrically connected with the driving piece of the electric driving component 4, and the sewing machine main controller 3 is used for controlling the rotating angle of the driving piece of the electric driving component 4.
Specifically, in fig. 3, the electric drive assembly 4 includes a stepping motor 401, a drive shaft 402 and a tooth lifting foot crank 403, the stepping motor 401 is disposed on the sewing machine housing 2, the stepping motor 401 is electrically connected to the sewing machine main controller 3, a gear 404 is fixedly mounted at a rotating end of the stepping motor 401, the stepping motor 401 is used for driving the gear 404 to rotate, the gear 404 is engaged with a sector gear 405, one end of the drive shaft 402 is fixedly mounted on the sector gear 405, a fixing surface of the tooth lifting foot crank 403 is disposed at the other end of the drive shaft 402, a main shaft sleeve 406 and a sub shaft sleeve 407 are respectively sleeved and rotatably connected to the drive shaft 402 and located at two sides of the tooth lifting foot crank 403, the main shaft sleeve 406 and the sub shaft sleeve 407 are both fixedly mounted on the sewing machine housing 2, the drive shaft 402 is concentrically matched with the main shaft sleeve 406 and the sub shaft sleeve 407, the stepping motor 401 transmits the rotation, the tooth raising foot crank 403 is driven to swing.
Specifically, in fig. 4, the presser foot transmission assembly 5 includes a spatial link 501 and a transmission lever 502, one end of the spatial link 501 is hinged to the handle surface of the lifter foot crank 403 through a spatial link pin 503, the other end of the spatial link 501 is hinged to one end of the transmission lever 502 through the spatial link pin 503, the center position of the transmission lever 502 is hinged to the sewing machine housing 2 through a transmission lever screw 504, the lifter foot crank 403 transmits power to the transmission lever 502 through the spatial link 501, and the transmission lever 502 drives the long link 601, thereby driving the actuating lever 602 to swing.
Specifically, in fig. 5 and 6, the presser foot actuator 6 includes a long link 601, an actuator lever 602, a lifting tooth block 603 and a press rod 604, one end of the long link 601 is hinged to the other end of the transmission lever 502 through a long link pin 615, the other end of the long link 601 is hinged to one end of the actuator lever 602 through the long link pin 615, the other end of the actuator lever 602 is hinged to one end of a lifting tooth link 605 through the long link pin 615, the lifting tooth block 603 is slidably connected to the press rod 604, the other end of the lifting tooth link 605 is hinged to the lifting tooth block 603 through the long link pin 615, the actuator lever 602 is hinged to the lifting tooth link 605, so that the lifting tooth link 605 converts the swing motion into the linear motion of the lifting tooth block, a pressure regulating spring 606 is sleeved and slid on the lower side of the lifting tooth block 603 on the press rod 604, a pressure regulating guide block 607 is fixedly installed on the press rod 604 and on the lower side of the pressure regulating spring 606, one end of, the center position of the actuating lever 602 is hinged on the sewing machine housing 2 by an actuating lever screw 609. The stepping motor 401 converts the rotary displacement into linear displacement to drive the telescopic pressure regulating spring 606, and the elastic force generated by the pressure regulating spring 606 acts on the pressure rod 604 to complete the pressurization or depressurization of the pressure foot 608.
Specifically, the stepping motor 401 is fixedly mounted on the sewing machine housing 2 through a stepping motor holder 408.
Specifically, a positioning retainer ring 409 is sleeved on the drive shaft 402 between the tooth lifting foot crank 403 and the spindle sleeve 406, one end of the positioning retainer ring 409 is fixedly mounted on the spindle sleeve 406, and the positioning retainer ring 409 is used for limiting the axial movement of the drive shaft 402.
Specifically, an actuating groove 610 is formed in the side wall of the pressure lever 604 and located inside the pressure adjusting spring 606, a tooth lifting pin 611 penetrates through the side wall of the tooth lifting block 603, one end of the tooth lifting pin 611 penetrating through the interior of the tooth lifting block 603 is slidably connected into the actuating groove 610, and the tooth lifting pin 611 and the actuating groove 610 are arranged in a matched manner to guide the tooth lifting block 603.
Specifically, a lifting wrench 612 is fixedly mounted on an end of the pressing rod 604 far away from the presser foot 608.
Specifically, a pressure lever upper sleeve 613 and a pressure lever lower sleeve 614 are respectively arranged on the pressure lever 604 and on the upper side of the feed lifting block 603 and on the lower side of the pressure lever guide block 607, so as to limit the movement of the feed lifting block 603 and the pressure lever guide block 607.
The working principle is as follows: when the pressure of the presser foot 608 needs to be increased, the sewing machine main controller 3 controls the stepping motor 402 to drive the gear 404 to rotate anticlockwise so as to drive the sector gear 405 to rotate clockwise, power is transmitted to the tooth lifting foot crank 403 through the driving shaft 402 so as to drive the transmission lever 503 to swing anticlockwise, the execution lever 602 swings before being pushed by the long connecting rod 601, the tooth lifting block 603 moves downwards through the matching arrangement of the execution lever 602 and the tooth lifting connecting rod 605, the length of the pressure regulating spring 606 is reduced, the pressure is increased, the pressure is transmitted to the presser foot 608 through the pressure lever guide block 607, and the pressure increasing and regulating action is completed at the moment. When the pressure of the presser foot 608 needs to be reduced, the stepping motor 402 can move in the reverse direction.
When the presser foot 608 needs to be lifted, the sewing machine main controller 3 controls the stepping motor 401 to drive the gear 404 to rotate clockwise, so as to drive the sector gear 405 to rotate anticlockwise, power is transmitted to the tooth lifting foot crank 403 through the driving shaft 402, so as to drive the transmission lever 503 to swing clockwise, the execution lever 602 is pulled to swing through the long connecting rod 601, the tooth lifting block 603 moves upwards through the matching arrangement of the execution lever 602 and the tooth lifting connecting rod 605, the tooth lifting pin 611 moves upwards along with the pressing rod 604, when the tooth lifting pin reaches the inner top end of the execution groove 610, the tooth lifting pin 611 is abutted against the inner top end of the execution groove 610, then the pressing rod 604 moves upwards along with the tooth lifting block 603, and meanwhile, the pressing rod 604 drives the presser foot 608 to move upwards, namely, the presser foot 608 is lifted, and the lifting height is consistent with the preset value.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a sewing machine presser foot pressure control device which characterized in that: the sewing machine comprises a sewing machine base (1), a sewing machine shell (2), a sewing machine main controller (3), an electric driving assembly (4), a presser foot transmission assembly (5) and a presser foot execution assembly (6), wherein the sewing machine shell (2) is fixedly arranged at one side position of the upper surface of the sewing machine base (1), the presser foot execution assembly (6) is movably arranged at the other side position of the upper surface of the sewing machine base (1), the connecting end of the presser foot execution assembly (6) is hinged to one end of the presser foot transmission assembly (5), the electric driving assembly (4) is fixedly arranged on the sewing machine shell (2), the rotating end of the electric driving assembly (4) is hinged to the other end of the presser foot transmission assembly (5), the electric driving assembly (4) is used for driving the presser foot transmission assembly (5) to swing, and meanwhile the swing of the presser foot transmission assembly (5) is used for adjusting the presser foot execution assembly (6) to be pressed on the sewing machine base (5) 1) The pressure during the process of sewing, sewing machine main controller (3) fixed mounting just leans on the position of advancing electric drive subassembly (4) on sewing machine casing (2), the driving piece of electric drive subassembly (4) is connected to sewing machine main controller (3) electricity, sewing machine main controller (3) are used for controlling the driving piece turned angle of electric drive subassembly (4).
2. The sewing machine presser foot pressure control apparatus according to claim 1, characterized in that: the electric driving assembly (4) comprises a stepping motor (401), a driving shaft (402) and a tooth lifting foot crank (403), the stepping motor (401) is arranged on the sewing machine shell (2), the stepping motor (401) is electrically connected with a sewing machine main controller (3), a gear (404) is fixedly arranged at the rotating end of the stepping motor (401), the stepping motor (401) is used for driving the gear (404) to rotate, the gear (404) is connected with a sector gear (405) in a meshing manner, one end of the driving shaft (402) is fixedly arranged on the sector gear (405), a fixing surface of the tooth lifting foot crank (403) is arranged at the other end of the driving shaft (402), two sides of the driving shaft (402) which are positioned on the tooth lifting foot crank (403) are respectively sleeved and rotatably connected with a main shaft sleeve (406) and an auxiliary shaft sleeve (407), and the main shaft sleeve (406) and the auxiliary shaft sleeve (407) are both fixedly arranged on the sewing machine shell (2), the driving shaft (402) is concentrically matched with the main shaft sleeve (406) and the auxiliary shaft sleeve (407).
3. The sewing machine presser foot pressure control apparatus according to claim 2, characterized in that: the presser foot transmission assembly (5) comprises a space connecting rod (501) and a transmission lever (502), one end of the space connecting rod (501) is hinged to the handle surface of the feed lifting foot crank (403) through a space connecting rod pin (503), the other end of the space connecting rod (501) is hinged to one end of the transmission lever (502) through the space connecting rod pin (503), and the center position of the transmission lever (502) is hinged to the sewing machine shell (2) through a transmission lever screw (504).
4. The sewing machine presser foot pressure control apparatus according to claim 3, characterized in that: the presser foot execution assembly (6) comprises a long connecting rod (601), an execution lever (602), a tooth lifting block (603) and a pressing rod (604), one end of the long connecting rod (601) is hinged to the other end of the transmission lever (502) through a long connecting rod pin (615), the other end of the long connecting rod (601) is hinged to one end of the execution lever (602) through the long connecting rod pin (615), the other end of the execution lever (602) is hinged to one end of a tooth lifting connecting rod (605) through the long connecting rod pin (615), the tooth lifting block (603) is connected to the pressing rod (604) in a sliding mode, the other end of the tooth lifting connecting rod (605) is hinged to the tooth lifting block (603) through the long connecting rod pin (615), the pressing rod (604) is sleeved and located on the lower side of the tooth lifting block (603) in a sliding mode and is provided with a pressure regulating spring (606) in a sliding mode, a pressing rod guide block (607) is fixedly installed on the pressing rod (, one end of the pressure lever (604) close to the sewing machine base (1) is provided with a pressure foot (608), and the center position of the execution lever (602) is hinged on the sewing machine shell (2) through an execution lever screw (609).
5. The sewing machine presser foot pressure control apparatus according to claim 2, characterized in that: the stepping motor (401) is fixedly arranged on the sewing machine shell (2) through a stepping motor bracket (408).
6. The sewing machine presser foot pressure control apparatus according to claim 2, characterized in that: a positioning check ring (409) is sleeved on the driving shaft (402) and positioned between the tooth lifting foot crank (403) and the main shaft sleeve (406), one end of the positioning check ring (409) is fixedly installed on the main shaft sleeve (406), and the positioning check ring (409) is used for limiting the axial movement of the driving shaft (402).
7. The sewing machine presser foot pressure control apparatus according to claim 4, characterized in that: an execution groove (610) is formed in the side wall of the pressing rod (604) and located on the inner side of the pressure adjusting spring (606), a tooth lifting pin (611) penetrates through the side wall of the tooth lifting block (603), and one end, penetrating through the interior of the tooth lifting block (603), of the tooth lifting pin (611) is connected into the execution groove (610) in a sliding mode.
8. The sewing machine presser foot pressure control apparatus according to claim 4, characterized in that: and a tooth lifting wrench (612) is fixedly arranged at one end of the pressure lever (604) far away from the pressure foot (608).
9. The sewing machine presser foot pressure control apparatus according to claim 4, characterized in that: and a pressure lever upper sleeve (613) and a pressure lever lower sleeve (614) are respectively arranged on the pressure lever (604) and positioned on the upper side of the feed lifting block (603) and the lower side of the pressure lever guide block (607).
Priority Applications (1)
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CN202010226470.5A CN111304839A (en) | 2020-03-26 | 2020-03-26 | Presser foot pressure control device of sewing machine |
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CN202010226470.5A CN111304839A (en) | 2020-03-26 | 2020-03-26 | Presser foot pressure control device of sewing machine |
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CN202010226470.5A Pending CN111304839A (en) | 2020-03-26 | 2020-03-26 | Presser foot pressure control device of sewing machine |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204676266U (en) * | 2015-03-24 | 2015-09-30 | 宁波北纬光通信科技有限公司 | For the presser foot device of computerized pattern car |
EP2975169A1 (en) * | 2014-07-16 | 2016-01-20 | Dürkopp Adler AG | Sewing machine |
CN107304498A (en) * | 2016-04-19 | 2017-10-31 | Juki株式会社 | Sewing machine |
CN209508574U (en) * | 2018-12-12 | 2019-10-18 | 东莞市亿豪缝纫设备有限公司 | A kind of sewing-machine automatic needle-foot-lifting device |
CN209759737U (en) * | 2019-01-04 | 2019-12-10 | 杰克缝纫机股份有限公司 | sewing machine presser foot actuating mechanism and sewing machine |
CN212000140U (en) * | 2020-03-26 | 2020-11-24 | 浙江广和缝纫机有限公司 | Presser foot pressure control device of sewing machine |
-
2020
- 2020-03-26 CN CN202010226470.5A patent/CN111304839A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2975169A1 (en) * | 2014-07-16 | 2016-01-20 | Dürkopp Adler AG | Sewing machine |
CN204676266U (en) * | 2015-03-24 | 2015-09-30 | 宁波北纬光通信科技有限公司 | For the presser foot device of computerized pattern car |
CN107304498A (en) * | 2016-04-19 | 2017-10-31 | Juki株式会社 | Sewing machine |
CN209508574U (en) * | 2018-12-12 | 2019-10-18 | 东莞市亿豪缝纫设备有限公司 | A kind of sewing-machine automatic needle-foot-lifting device |
CN209759737U (en) * | 2019-01-04 | 2019-12-10 | 杰克缝纫机股份有限公司 | sewing machine presser foot actuating mechanism and sewing machine |
CN212000140U (en) * | 2020-03-26 | 2020-11-24 | 浙江广和缝纫机有限公司 | Presser foot pressure control device of sewing machine |
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