CN106498633A - A kind of sewing machine with new type auto presser foot lifter structure - Google Patents

A kind of sewing machine with new type auto presser foot lifter structure Download PDF

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Publication number
CN106498633A
CN106498633A CN201611267173.5A CN201611267173A CN106498633A CN 106498633 A CN106498633 A CN 106498633A CN 201611267173 A CN201611267173 A CN 201611267173A CN 106498633 A CN106498633 A CN 106498633A
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CN
China
Prior art keywords
sewing machine
presser
foot lifter
presser foot
new type
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.)
Granted
Application number
CN201611267173.5A
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Chinese (zh)
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CN106498633B (en
Inventor
田国兵
宋施杓
王志
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Jack Technology Co Ltd
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Jack Sewing Machine Co Ltd
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Application filed by Jack Sewing Machine Co Ltd filed Critical Jack Sewing Machine Co Ltd
Priority to CN201611267173.5A priority Critical patent/CN106498633B/en
Publication of CN106498633A publication Critical patent/CN106498633A/en
Application granted granted Critical
Publication of CN106498633B publication Critical patent/CN106498633B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B29/00Pressers; Presser feet
    • D05B29/02Presser-control devices
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05DINDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2207/00Use of special elements
    • D05D2207/05Magnetic devices
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05DINDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
    • D05D2209/00Use of special materials
    • D05D2209/08Use of special materials elastic, e.g. rubber spring

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The invention belongs to sewing device technical field, refers in particular to a kind of sewing machine with new type auto presser foot lifter structure;Automatic needle-foot-lifting device is included, holding meanss on the housing of the presser feet electric magnet of the automatic needle-foot-lifting device, are provided with, the holding meanss are resisted against when presser feet electromagnet core stretches out on the outer wall of presser feet electromagnet core;It is fastened on the end face of presser feet electromagnet core in presser feet electromagnet core adhesive.The present invention is coordinated with auxiliary body jointly by holding meanss, under the premise of keeping process time become, is carried out supplemental current and is reduced lost power, reduce electrical current, caloric value is efficiently controlled, reduces temperature, it is ensured that presser feet electric magnet normally completes the action of presser foot lifter.

Description

A kind of sewing machine with new type auto presser foot lifter structure
Technical field
The invention belongs to sewing device technical field, refers in particular to a kind of sewing machine with new type auto presser foot lifter structure.
Background technology
At present, the automatic needle-foot-lifting technology of sewing machine is the presser foot lifter high-speed double electromagnet by rear portion.In real work In can usually run into electric magnet heating problem.The power of electric magnet can be caused obvious when the temperature of electric magnet reaches to a certain degree Decline, ultimately result in and cannot normally lift presser feet.Presser foot lifter structure needs a retentivity to be used for avoiding stitching in real work Impact of the presser feet up and down motion to overall structure during system.Therefore, whole presser foot lifter process is divided into two processes:Lift pressure Process and holding process.Wherein lift presses through or so journey about 0.1-0.2 seconds, keeps process about 3 seconds or so.The heat of electric magnet is main When passing through copper wire from electric current, acting is caused, and conduction time longer heating is more serious, and electrical current is bigger, and caloric value is got over Greatly.Therefore it may be concluded that electric magnet heating is mostly derived from holding process.Existing holding force mechanisms can only provide a side To torque and become larger with the lifting torque of presser feet.That is in the process of holding, the power of lift pressure is also maximum, Exacerbate the heat condition of electric magnet.
Content of the invention
The present invention be directed to the problems referred to above that existing technology is present, it is therefore an objective to provide a kind of with new type auto presser foot lifter The sewing machine of structure, the technical problem to be solved is:How electric magnet caloric value is achieved effective control.
The purpose of the present invention can be realized by following technical proposal:
A kind of sewing machine with new type auto presser foot lifter structure, includes automatic needle-foot-lifting device, the auto lifting pressure Holding meanss are provided with the housing of the presser feet electric magnet of foot device, the holding meanss are supported when presser feet electromagnet core stretches out Lean against on the outer wall of presser feet electromagnet core;The end face of presser feet electromagnet core is fastened in presser feet electromagnet core adhesive On.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the holding meanss are to be circumferentially provided on Regulation spring or jump ring outside presser feet electromagnet core.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the regulation spring includes installation portion And card-tight part.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the installation portion is by tinsel bending Formed, and be provided with for screw pass through by adjust spring be fixed on the installing hole on the housing of presser feet electric magnet.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the card-tight part is by tinsel bending The open loop structure of formation or closed-loop structure, and the outer wall of the open loop structure or closed-loop structure is arc, arc is fastened on presser feet On the outer wall or end face of electromagnet core.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, auxiliary body is included also, described auxiliary Mechanism is helped to include elastic component, the lift of automatic needle-foot-lifting device handle of buckling is connected with elastic component, when sewing machine is normally sewed, bullet Property part to lift buckle handle provide reset force, during automatic needle-foot-lifting device presser foot lifter elastic component to lift buckle handle provide holding Power.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the elastic component is back-moving spring, multiple One end of position spring is connected to the upper end for lifting handle of buckling, and the other end of back-moving spring is connected on slide bar, and slide bar is arranged on casing On upper or guide block, the lower end of back-moving spring can produce displacement with the action of automatic needle-foot-lifting device in slide bar, and in sewing machine Reset force is provided during normal sewing, retentivity is provided during automatic needle-foot-lifting device presser foot lifter.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the slide bar includes sliding part and peace Dress portion, the installation portion of slide bar are installed on casing or guide block, and pressure when sewing machine is normally sewed or can be lifted in the lower end of back-moving spring Sliding part during foot along slide bar slides.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the outer end of the sliding part of the slide bar sets It is equipped with hook portion and limits the extreme position that the other end of back-moving spring slides on sliding part.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the sliding part of the slide bar is curved, And the bottom of arc is arranged down.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the upper end for lifting handle of buckling is by limit Position screw is connected with presser foot lifter pull bar, and one end of back-moving spring is hung on the stop screw.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the elastic component is spring, spring It is arranged on guide block, the upper end of spring is provided with outer housing, on handle is buckled in lift, is provided with arc sections, the arc sections and outer housing Top surface contact connection, outer housing provides a power upwards by spring, and arc sections can be with the action of automatic needle-foot-lifting device Move on the top surface of outer housing, and arc sections and the tangent setting of the top surface of outer housing, spring provides multiple when sewing machine is normally sewed Position power, provides retentivity during automatic needle-foot-lifting device presser foot lifter.
In a kind of above-mentioned sewing machine with new type auto presser foot lifter structure, the elastic component be reset jump ring, institute State reset jump ring to be fixed on guide block, be provided with reset jump ring one section of arc convex for provide power upwards, press in lift Arc sections are provided with crank, the arc sections and the tangent connection of arc convex, what arc sections can be with automatic needle-foot-lifting device are dynamic Make to move on the arc convex of reset jump ring, reset jump ring provides reset force when sewing machine is normally sewed, in auto lifting pressure Retentivity is provided during foot device presser foot lifter.
Compared with prior art, the present invention has advantages below:
1st, the present invention is coordinated jointly by holding meanss and auxiliary body, under the premise of keeping process time become, Carry out supplemental current and reduce lost power, reduce electrical current, efficiently control caloric value, reduce temperature, it is ensured that presser feet electricity Magnet normally completes the action of presser foot lifter.
2nd, holding meanss of the invention, auxiliary body's simple structure, sewing machine conversion are convenient, and low cost improves presser feet The service life and quality of electric magnet, it is adaptable on various sewing machines, is that enterprise creates economic benefit.
Description of the drawings
Fig. 1 is one of structural representation of automatic needle-foot-lifting device of the present invention.
Fig. 2 is the two of the structural representation of automatic needle-foot-lifting device of the present invention.
Fig. 3 is the schematic diagram that the regulation spring of the present invention is fastened on presser feet electromagnet core end face.
Fig. 4 is that the spring that adjusts of the present invention is fastened on the schematic diagram on presser feet electromagnet core outer wall.
Fig. 5 is the schematic diagram of the regulation spring of the present invention.
Fig. 6 be the present invention elastic component be back-moving spring when, automatic needle-foot-lifting device is arranged on the schematic diagram in casing.
Fig. 7 is the schematic diagram that the back-moving spring of the present invention provides reset force.
Fig. 8 is the schematic diagram that the back-moving spring of the present invention provides retentivity.
Fig. 9 is the schematic diagram of the slide bar of the present invention.
Figure 10 be the present invention elastic component be back-moving spring when schematic diagram.
Figure 11 be we elastic component be reduction torsion spring when, automatic needle-foot-lifting device is arranged on the schematic diagram in casing.
Figure 12 is the structural representation of the elastic component for back-moving spring of the present invention.
Figure 13 is the A portions enlarged diagram of Figure 12.
Figure 14 be the present invention elastic component be spring when schematic diagram.
In figure, 1, automatic needle-foot-lifting device;2nd, presser feet electric magnet;3rd, housing;4th, presser feet electromagnet core;5th, end face;6、 Adjust spring;7th, installation portion;8th, card-tight part;9th, installing hole;10th, arc;11st, back-moving spring;12nd, handle of buckling is lifted;13rd, slide bar; 14th, casing;15th, guide block;16th, lift pressure spanner;17th, presser feet connecting plate;18th, attachment screw;19th, presser foot lifter pull bar;20th, spacing spiral shell Nail;21st, sliding part;22nd, installation portion;23rd, hook portion;24th, screw;25th, reset jump ring;26th, arc convex;27th, arc sections;28、 Spring;29th, outer housing.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing 1-14, technical scheme is further retouched State, but the present invention is not limited to these embodiments.
As Figure 1-5, a kind of sewing machine with new type auto presser foot lifter structure, includes automatic needle-foot-lifting device 1, Holding meanss are provided with the housing 3 of the presser feet electric magnet 2 of the automatic needle-foot-lifting device 1, the holding meanss are in presser feet electricity Pole core 4 is resisted against when stretching out on the outer wall of presser feet electromagnet core 4, is fastened on pressure in presser feet 4 adhesive of electromagnet core On the end face of foot electromagnet core 4.For stretching out state when the presser feet electric magnet 2 of the present embodiment is not powered on, now, holding meanss are supported Lean against on the outer wall of presser feet electromagnet core, as shown in Figure 3;Presser feet electromagnet core 4 is fastened on when presser feet electric magnet 2 is powered End face 5 on, as shown in Figure 4.
Specifically, the holding meanss are the regulation spring 6 or jump ring being circumferentially provided on outside presser feet electromagnet core 4.This The regulation spring 6 of embodiment is uniform for circumference, and is provided with three, and specific quantity is designed according to practical situation.
The present embodiment introduces regulation spring 6.The regulation spring 6 includes installation portion 7 and card-tight part 8.
Specifically, the installation portion 7 is to be formed by tinsel bending, and is provided with solid through adjusting spring 6 for screw The installing hole 9 being scheduled on the housing 3 of presser feet electric magnet 2.The installing hole 9 of the present embodiment is elliptical aperture, convenient adjust card-tight part 8 with Position between presser feet electromagnet core 4.
Equally, the card-tight part 8 is the open loop structure or closed-loop structure formed by metal folding, and the open loop structure or The outer wall of closed-loop structure is arc 10, and arc 10 is fastened on the outer wall of presser feet electromagnet core 4 or end face 5.Arc 10 is set Purpose be to facilitate the switching between two states.And open loop structure or closed-loop structure can increase the intensity of card-tight part 8.This Connected by tinsel between bright installation portion 7 and card-tight part 8, with elasticity.Certainly, adjust spring 6 to be rolled over by sheet metal Bending is into installation portion 7 and card-tight part 8.
The holding meanss of the present invention do not interfere with presser feet electric magnet 2 and switch in two states.When presser feet electric magnet 2 is closed completely During conjunction, a closing force can be produced, for reducing the power required for presser feet electric magnet 2, the heating of effective control presser feet electric magnet 2 Amount.
In addition, present invention additionally comprises having auxiliary body, the auxiliary body includes elastic component, automatic needle-foot-lifting device Lift handle 12 of buckling is connected with elastic component, and when sewing machine is normally sewed, elastic component is buckled the offer reset force of handle 12 to lift, automatic During presser foot lifting device presser foot lifter elastic component to lift buckle handle 12 provide retentivity.
The key point of the present invention is:Lift is buckled after handle 12 crossed the central point of wobbling action, and elastomer is provided Force direction there occurs change.
As one of embodiment, such as Fig. 1-2, shown in 6-10, the elastic component is back-moving spring 11, back-moving spring 11 One end be connected to lift and buckle the upper end of handle 12, the other end of back-moving spring 11 is connected on slide bar 13, and slide bar 13 is arranged on machine On shell 14 or on guide block 15, the lower end of back-moving spring 11 can produce displacement with the action of automatic needle-foot-lifting device in slide bar 13, And reset force is provided when sewing machine is normally sewed, retentivity is provided during 1 presser foot lifter of automatic needle-foot-lifting device.
Handle 12 is buckled in the lift of automatic needle-foot-lifting device 1 and lift pressure spanner 16 is fixed in casing 14 by screw, and can be with Freely rotate;Presser feet connecting plate 17 is connected to lift by attachment screw 18 and buckles on handle 12, and freely can rotate;Presser foot lifter draws Bar 19 is connected to lift by stop screw 20 and attachment screw 18 and buckles on handle 12 and lift pressure spanner 16;Presser feet electric magnet 2 It is fixed in casing 14.
Further, the slide bar 13 includes sliding part 21 and installation portion 22, and the installation portion 22 of slide bar 13 is installed in machine On shell 14 or guide block 15, the lower end of back-moving spring 11 can be when sewing machine be normally sewed or during presser foot lifter along slide bar 13 sliding part 21 slides.
The specific implementation step of the present invention is as follows:
During normal sewing, in shown in Fig. 7, now back-moving spring 11 provides reset force to back-moving spring 11;Presser foot lifter process Middle back-moving spring 11 can slide to right-hand member by the sliding part 21 of slide bar 13, as shown in figure 8, the now offer of back-moving spring 11 is exactly Retentivity, therefore, the presser feet electric magnet 2 of automatic needle-foot-lifting device 1 can provide less power.Because reset force is converted finally Into retentivity, so the retentivity provided by presser feet electric magnet 2 just can reduce, and then reduce caloric value, reduce temperature, protect Card presser feet electric magnet 2 normally completes the action of presser foot lifter.
More specifically, the outer end of the sliding part 21 of the slide bar 13 is provided with the other end that hook portion 23 limits back-moving spring 11 The extreme position slided on sliding part 21, can prevent limit spring 11 from separating with the sliding part 21 of slide bar 13.
Further, since one end of the presser foot lifter pull bar 19 of the automatic needle-foot-lifting device 1 is connected to by stop screw 20 The upper end of handle 12 of buckling is lifted, therefore, is connected for convenience, the upper end of the back-moving spring 11 of the present invention is hung on stop screw 20 On, without the need in addition arranging attachment means.
The installation portion 22 of slide bar of the present invention 13 takes the shape of the letter U, and guide block 15 is fixed in casing 14 by screw 24, the peace Dress portion 22 is connected on screw 24.The screw 24 of the present embodiment is provided with two, and be setting up and down, correspondingly, slide bar 13 Installation portion 22 is set in outside the screw rod of two screws 24, and bottom is connected on the screw rod of underlying screw 24.
In order that sliding more flexibly, the sliding part 21 of the slide bar 13 is curved, and the bottom of arc is arranged down.
As another embodiment, as figs 11-13, the elastic component is reset jump ring 25, the reset jump ring 25 Be fixed on guide block 5, be provided with reset jump ring 25 one section of arc convex 26 for provide power upwards, buckle handle 12 in lift On be provided with arc sections 27, the arc sections 27 and 26 tangent connection of arc convex, arc sections 27 can be with automatic needle-foot-lifting device Action move on the arc convex 26 of reset jump ring 25, reset jump ring 25 provides reset force when sewing machine is normally sewed, Retentivity is provided during automatic needle-foot-lifting device presser foot lifter.
That is:In normal sewing, the be supplied to torque for lifting handle 12 of buckling of reset jump ring 25 is for counterclockwise.
When lift presses through journey, the be supplied to torque for lifting handle 12 of buckling of reset jump ring 25 is for clockwise.
One end of the reset jump ring 25 of the present embodiment is fixed on guide block 5, and the other end is vacantly arranged.As shown in FIG., originally The reset jump ring 25 of embodiment is L-shaped, and wherein vertical portion is fixed on the lateral surface of guide block 5, and horizontal part is (with arc convex 26) part is located in the upper plane of guide block 5.
Used as another embodiment, as shown in figure 14, the elastic component is spring 28, and spring is arranged on guide block) on, in bullet The upper end of spring 28 is provided with the outer housing 29 that end is sphere, on handle 12 is buckled in lift is provided with arc sections 27, the arc sections 27 with The sphere-contact connection of outer housing 29, outer housing 29 provides a power upwards by spring 28, and arc sections 27 can be with auto lifting The action of foot device is moved on the sphere of outer housing 29, and arc sections 27 and the tangent setting of the sphere of outer housing 29, and spring 28 exists Reset force is provided when sewing machine is normally sewed, retentivity is provided during automatic needle-foot-lifting device presser foot lifter.
Certainly, the top surface of outer housing 29 can also be plane.In actual application, the requirement to spring 18 is uprised, and one Root spring 18 possibly cannot be realized, using two or three springs.
The present invention is coordinated with auxiliary body jointly by holding meanss, under the premise of keeping process time become, is led to Crossing increases holding meanss, auxiliary body for the lost power of supplemental current reduction, reduces electrical current, efficiently controls and send out Heat, reduces temperature, it is ensured that presser feet electric magnet 2 normally completes the action of presser foot lifter.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.

Claims (13)

1. a kind of sewing machine with new type auto presser foot lifter structure, includes automatic needle-foot-lifting device (1), it is characterised in that: Holding meanss are provided with the housing (3) of the presser feet electric magnet (2) of automatic needle-foot-lifting device (1), the holding meanss exist Presser feet electromagnet core (4) is resisted against on the outer wall of presser feet electromagnet core (4) when stretching out;Inhale in presser feet electromagnet core (4) It is fastened on during conjunction on the end face (5) of presser feet electromagnet core (4).
2. a kind of sewing machine with new type auto presser foot lifter structure according to claim 1, it is characterised in that:The guarantor Device is held for being circumferentially provided on the outer regulation spring (6) of presser feet electromagnet core (4) or jump ring.
3. a kind of sewing machine with new type auto presser foot lifter structure according to claim 2, it is characterised in that:The tune Section spring (6) includes installation portion (7) and card-tight part (8).
4. a kind of sewing machine with new type auto presser foot lifter structure according to claim 3, it is characterised in that:The peace Dress portion (8) is to be formed by tinsel bending, and be provided with for screw through will adjust spring (6) be fixed on presser feet electric magnet (2) Housing (3) on installing hole (9).
5. a kind of sewing machine with new type auto presser foot lifter structure according to claim 3, it is characterised in that:The card Tight portion (8) is the open loop structure or closed-loop structure formed by tinsel bending, and the outer wall of the open loop structure or closed-loop structure For arc (10), arc (10) is fastened on the outer wall of presser feet electromagnet core (2) or end face (5).
6. a kind of sewing machine with new type auto presser foot lifter structure automatically according to 5 any one of claim 1, its feature It is:Also include auxiliary body, the auxiliary body includes elastic component, the lift of automatic needle-foot-lifting device buckle handle (2) with Elastic component connect, when sewing machine is normally sewed, elastic component to lift buckle handle (2) provide reset force, in automatic needle-foot-lifting device During presser foot lifter elastic component to lift buckle handle (2) provide retentivity.
7. a kind of sewing machine with new type auto presser foot lifter structure according to claim 6, it is characterised in that:The bullet Property part be back-moving spring (11), one end of back-moving spring (11) is connected to lift and buckles the upper end of handle (12), back-moving spring (11) The other end is connected on slide bar (13), and slide bar (13) is arranged in casing (14) or on guide block (15), under back-moving spring (11) End can produce displacement with the action of automatic needle-foot-lifting device (1) in slide bar (13), and provide when sewing machine is normally sewed multiple Position power, provides retentivity during automatic needle-foot-lifting device (1) presser foot lifter.
8. a kind of sewing machine with new type auto presser foot lifter structure according to claim 7, it is characterised in that:The cunning Bar (13) includes sliding part (21) and installation portion (22), and the installation portion (22) of slide bar (13) is installed in casing (14) or guide block (15) on, the lower end of back-moving spring (11) can when sewing machine is normally sewed or during presser foot lifter along slide bar (13) slip Slide in portion (21).
9. a kind of sewing machine with new type auto presser foot lifter structure according to claim 8, it is characterised in that:The cunning The outer end of the sliding part (21) of bar (13) be provided with hook portion (23) limit back-moving spring (11) the other end on sliding part (21) The extreme position of slip.
10. a kind of sewing machine with new type auto presser foot lifter structure according to claim 8, it is characterised in that:Described The sliding part (21) of slide bar (13) is curved, and the bottom of arc is arranged down.
A kind of 11. sewing machines with new type auto presser foot lifter structure according to claim 7, it is characterised in that:Described The upper end for lifting handle (12) of buckling is connected with presser foot lifter pull bar (19) by stop screw (20), and one end of back-moving spring (11) hangs It is located on the stop screw (20).
A kind of 12. sewing machines with new type auto presser foot lifter structure according to claim 6, it is characterised in that:Described Elastic component is that spring, spring are arranged on guide block (5), and the upper end of spring (28) is provided with outer housing (29), buckles handle in lift (12) arc sections (27) are provided with, and the arc sections (27) are connected with the top surface contact of outer housing (29), and outer housing (29) passes through spring (28) power upwards is provided, and arc sections (27) can be as the action of automatic needle-foot-lifting device be on the top surface of outer housing (29) Movement, and arc sections (27) and the tangent setting of the top surface of outer housing (29), spring (28) provide reset when sewing machine is normally sewed Power, provides retentivity during automatic needle-foot-lifting device presser foot lifter.
A kind of 13. sewing machines with new type auto presser foot lifter structure according to claim 6, it is characterised in that:Described Elastic component is reset jump ring (25), and reset jump ring (25) are fixed on guide block (5), are provided with one on reset jump ring (25) Section arc convex (26) is used for providing power upwards, is provided with arc sections (27), the arc sections (27) on handle (12) is buckled in lift With the tangent connection of arc convex (26), arc sections (27) can be as the action of automatic needle-foot-lifting device be in the arc of reset jump ring (25) Shape projection (26) is upper to be moved, and reset jump ring (25) provides reset force when sewing machine is normally sewed, and lifts in automatic needle-foot-lifting device Retentivity is provided during presser feet.
CN201611267173.5A 2016-12-31 2016-12-31 A kind of sewing machine with new type auto presser foot lifter structure Active CN106498633B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281072A (en) * 2018-10-31 2019-01-29 杰克缝纫机股份有限公司 A kind of sewing machine and its presser foot lifting device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01305991A (en) * 1988-06-02 1989-12-11 Pegasus Sewing Mach Mfg Co Ltd Presser bar lifter assisting device for sewing machine
JP2000070581A (en) * 1999-09-21 2000-03-07 Barudan Co Ltd Multineedle sewing machine
CN104894757A (en) * 2015-06-17 2015-09-09 拓卡奔马机电科技有限公司 Electromagnet and multiple cylinder combined drive automatic presser foot lifting mechanism
CN105350187A (en) * 2015-09-29 2016-02-24 浙江美机缝纫机有限公司 Sewing machine pressure foot lifting mechanism provided with locking device
CN205775174U (en) * 2016-05-16 2016-12-07 浙江美机缝纫机有限公司 There is presser feet and fall the sewing machine of buffer unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01305991A (en) * 1988-06-02 1989-12-11 Pegasus Sewing Mach Mfg Co Ltd Presser bar lifter assisting device for sewing machine
JP2000070581A (en) * 1999-09-21 2000-03-07 Barudan Co Ltd Multineedle sewing machine
CN104894757A (en) * 2015-06-17 2015-09-09 拓卡奔马机电科技有限公司 Electromagnet and multiple cylinder combined drive automatic presser foot lifting mechanism
CN105350187A (en) * 2015-09-29 2016-02-24 浙江美机缝纫机有限公司 Sewing machine pressure foot lifting mechanism provided with locking device
CN205775174U (en) * 2016-05-16 2016-12-07 浙江美机缝纫机有限公司 There is presser feet and fall the sewing machine of buffer unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281072A (en) * 2018-10-31 2019-01-29 杰克缝纫机股份有限公司 A kind of sewing machine and its presser foot lifting device

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