CN205501597U - Presser foot lifting device of sewing machine - Google Patents

Presser foot lifting device of sewing machine Download PDF

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Publication number
CN205501597U
CN205501597U CN201620259911.0U CN201620259911U CN205501597U CN 205501597 U CN205501597 U CN 205501597U CN 201620259911 U CN201620259911 U CN 201620259911U CN 205501597 U CN205501597 U CN 205501597U
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CN
China
Prior art keywords
presser foot
foot lifting
crank
sewing machine
depression bar
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Active
Application number
CN201620259911.0U
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Chinese (zh)
Inventor
阮孟定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG DUMA SEWING MACHINE Co Ltd
Original Assignee
ZHEJIANG DUMA SEWING MACHINE Co Ltd
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Priority to CN201620259911.0U priority Critical patent/CN205501597U/en
Application granted granted Critical
Publication of CN205501597U publication Critical patent/CN205501597U/en
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Abstract

The utility model belongs to the technical field of sewing machine, involve sewing machine's annex, specifically indicate a presser foot lifting device of sewing machine, including presser foot and depression bar, the presser foot is connected to the one end of depression bar, include still that presser foot mechanism is lifted in the knee accuse, presser foot mechanism and the manual presser foot mechanism of lifting are lifted to the electro -magnet, knee accuse is lifted presser foot mechanism and is included preceding crank and back crank, and preceding articulate one end is passed through the connecting rod with back articulate one end and is connected, the back articulate other end is connected with the ejector pin, preceding crank drive depression bar makes the presser foot realize lifting the presser foot action, the electro -magnet is lifted presser foot mechanism and is included electro -magnet and connecting rod, and the depression bar is connected to the one end of connecting rod, the electromagnets dirver connecting rod makes the presser foot realize lifting the presser foot action, the manual presser foot mechanism of lifting includes that the hand drive presser foot realizes lifting the cam of presser foot action, the utility model provides a realize that multiple mode realizes that the sewing machine who lifts the presser foot lifts the presser foot device.

Description

A kind of presser foot lifting device of sewing machine
Technical field
This utility model belongs to sewing machine technique field, relates to the adnexa of sewing machine, refers specifically to a kind of sewing The presser foot lifting device of machine.
Background technology
During with stitching sewing machine clothing, need to lift presser feet sewing is placed under presser feet and press against, pressure bullet Spring is pressed downward against calking material, places, arranges sewing and require time for.At present, lift presser feet and have three kinds of modes: 1. Pull handle;2. knee joint at most lever apparatus;3. executive component, such as electric magnet.Two handss arrange sewing, the most not Handle can be pulled.If with knee joint after at most presser feet is lifted by bar, sewer persistently withstands knee joint at most with knee Lever apparatus, could allow presser feet rest on upper, and sewer can fatigue.If after presser feet being lifted with electric magnet, Electric magnet wants continuous drain, presser feet could be allowed to rest on upper.After electric magnet heating, magnetic force weakens, and presser feet is just Lift less than original height.
Summary of the invention
In order to overcome defect of the prior art, it is multiple that the purpose of this utility model is to provide one to realize Mode realizes the presser foot lifting device of the sewing machine of presser foot lifter.
The purpose of this utility model is achieved in that
The presser foot lifting device of a kind of sewing machine, including presser feet and depression bar, one end of depression bar connects presser feet;Also wrap Include knee joint control foot lifting mechanism, electric magnet foot lifting mechanism and manual foot lifting mechanism;
Described knee joint control foot lifting mechanism includes front crank and rear crank, one end of front crank and one end of rear crank Being connected by connecting rod, the other end of described rear crank connects push rod, and described front crank drives depression bar to make pressure Foot realizes presser foot lifter action;
Described electric magnet foot lifting mechanism includes electric magnet and connecting rod, and one end of connecting rod connects depression bar, described electricity Magnet drive link makes presser feet realize presser foot lifter action;
Described manual foot lifting mechanism includes that manual actuation presser feet realizes the cam of presser foot lifter action.
Use after said structure, by knee joint control foot lifting mechanism, electric magnet foot lifting mechanism and manually lift pressure The setting of three foot lifting mechanisms of foot mechanism, operative employee can select suitably according to the practical situation of oneself Presser foot lifter mode, can make operative employee reduce labor intensity, convenient operation, can also avoid sewing machine simultaneously Use when single use presser foot lifter mode is tired, adds service life.
This utility model is further arranged to: described electric magnet foot lifting mechanism also includes crank one, linking arm And contiguous block, one end of described crank one is hinged with the other end of connecting rod, the other end of crank one and linking arm One end fixing connect, the other end of linking arm is hinged with one end of contiguous block, and the other end of contiguous block is with electric The output shaft of Magnet is hinged.
After using said structure, contiguous block is made to move forward by the driving of the output shaft of electric magnet, the company of drive Connecing arm to move down, the other end of crank one moves down also with linking arm, one end drivening rod of crank Move up, thus realize the presser foot lifter action of presser feet.
This utility model is further arranged to: connecting on described depression bar has jacking block, the other end of described front crank Abut with the bottom surface of jacking block;One end of described connecting rod abuts with the bottom surface of jacking block.
After using said structure, compact conformation, it is simple to the while that operative employee being by knee joint control and electric magnet two ways Realize presser foot lifter, it is simple to operative employee's flexible operating.
This utility model is further arranged to: described jacking block position on depression bar is adjustable.
After using said structure, it is simple to operative employee regulates height when presser feet lifts according to practical situation, behaviour Making simple, motility is strong.
This utility model is further arranged to: the other end of described depression bar is provided with spring, described spring upper End is provided with pressure regulating screw.
After using said structure, realize the extruding to depression bar by spring, make presser feet that cloth is realized binder, Make the pressure of presser feet increase by rotation pressure regulating screw simultaneously.
This utility model is further arranged to: be provided with drive rod on described cam, and one end of drive rod is arranged There is handle.
After using said structure, it is simple to operative employee realizes the driving to cam by handle.
This utility model is further arranged to: described cam abuts with the bottom surface of front crank.
Use after said structure, compact conformation, it is simple to operative employee is by knee joint control and manual two ways simultaneously Realize presser foot lifter, it is simple to operative employee's flexible operating.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the attachment structure schematic diagram of this utility model crank one and linking arm.
Label implication in figure:
1-presser feet;2-depression bar;Crank before 3-;4-rear crank;5-connecting rod;6-push rod;7-electric magnet;
8-connecting rod;9-cam;10-crank one;11-linking arm;12-contiguous block;13-jacking block;14-spring;
15-pressure regulating screw;16-drive rod;17-handle.
Detailed description of the invention
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings:
Seeing shown in Fig. 1, Fig. 2, Fig. 3, the presser foot lifting device of a kind of sewing machine, including presser feet 1 and depression bar 2, one end of depression bar 2 connects presser feet 1;Also include knee joint control foot lifting mechanism, electric magnet 7 foot lifting mechanism with And manual foot lifting mechanism;
Described knee joint control foot lifting mechanism includes front crank 3 and rear crank 4, one end of front crank 3 and rear crank 4 One end connected by connecting rod 5, the other end of described rear crank 4 connects push rod 6, described front crank 3 Depression bar 2 is driven to make presser feet 1 realize presser foot lifter action;
Described electric magnet 7 foot lifting mechanism includes electric magnet 7 and connecting rod 8, and one end of connecting rod 8 connects depression bar 2, Described electric magnet 7 drive link 8 makes presser feet 1 realize presser foot lifter action;
Described manual foot lifting mechanism includes that manual actuation presser feet 1 realizes the cam 9 of presser foot lifter action.
By above-mentioned knee joint control foot lifting mechanism, electric magnet 7 foot lifting mechanism and manual foot lifting mechanism three The setting of foot lifting mechanism, operative employee can select suitable presser foot lifter mode according to the practical situation of oneself, Operative employee can be made to reduce labor intensity, convenient operation, sewing machine can also be avoided to lift in single use simultaneously Use during presser feet mode is tired, adds service life.
It is further arranged to: described electric magnet 7 foot lifting mechanism also includes crank 1, linking arm 11 and connects Connecing block 12, one end of described crank 1 is hinged with the other end of connecting rod 8, the other end of crank 1 with One end of linking arm 11 is fixing to be connected, and the other end of linking arm 11 is hinged with one end of contiguous block 12, connects The other end of block 12 is hinged with the output shaft of electric magnet 7, by the output shaft of electric magnet 7 in the present embodiment Driving makes contiguous block 12 move forward, drive linking arm 11 move down, the other end of crank 1 also with Linking arm 11 to move down, one end drivening rod 8 of crank moves up, thus realizes lifting of presser feet 1 Presser feet action.
It is further arranged to: connecting on described depression bar 2 has jacking block 13, the other end of described front crank 3 and top The bottom surface of block 13 abuts;One end of described connecting rod 8 abuts with the bottom surface of jacking block 13, compact conformation, it is simple to Operative employee realizes presser foot lifter by knee joint control and electric magnet 7 two ways simultaneously, it is simple to operative employee's flexible operating.
It is further arranged to: the described jacking block 13 position on depression bar 2 is adjustable, it is simple to operative employee is according to reality Situation regulates height when presser feet 1 lifts, and simple to operate, motility is strong.
Being further arranged to: the other end of described depression bar 2 is provided with spring 14, the upper end of described spring 14 sets It is equipped with pressure regulating screw 15, realizes the extruding to depression bar 2 by spring 14, make presser feet 1 that cloth is realized pressure Material, makes the pressure of presser feet 1 increase by rotation pressure regulating screw 15 simultaneously.
Being further arranged to: be provided with drive rod 16 on described cam 9, one end of drive rod 16 is provided with hands Handle 17, it is simple to operative employee realizes the driving to cam 9 by handle 17.
It is further arranged to: described cam 9 abuts with the bottom surface of front crank 3, compact conformation, it is simple to operation Work realizes presser foot lifter by knee joint control and manual two ways simultaneously, it is simple to operative employee's flexible operating.
In the present embodiment, push rod 6 moves up under the effect of external force, drives one end of rear crank 4 upwards to move Dynamic, the other end of rear crank 4 is moved to the left, and is driven one end of front crank 3 to be moved to the left by connecting rod 5, The other end making front crank 3 moves up, thus drives jacking block 13, depression bar 2 and presser feet 1 to move up reality Existing presser foot lifter;Electric magnet 7 drive connection arm 11 makes crank 1 rotate, crank 1 one end drivening rod 8 move up, and connecting rod 8 drives presser feet 1 to realize presser foot lifter action;Rotated by handle 17 and make 9 turns of cam Dynamic, by the other end of front crank 3 by jacking block 13 upwards jack-up, it is achieved the presser foot lifter action of presser feet 1.
Above-described embodiment is only preferred embodiment of the present utility model, limits guarantor of the present utility model the most according to this Protect scope, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should contain Within protection domain of the present utility model.

Claims (7)

1. a presser foot lifting device for sewing machine, including presser feet and depression bar, one end of depression bar connects presser feet;Its It is characterised by: also include knee joint control foot lifting mechanism, electric magnet foot lifting mechanism and manual foot lifting mechanism;
Described knee joint control foot lifting mechanism includes front crank and rear crank, one end of front crank and one end of rear crank Being connected by connecting rod, the other end of described rear crank connects push rod, and described front crank drives depression bar to make pressure Foot realizes presser foot lifter action;
Described electric magnet foot lifting mechanism includes electric magnet and connecting rod, and one end of connecting rod connects depression bar, described electricity Magnet drive link makes presser feet realize presser foot lifter action;
Described manual foot lifting mechanism includes that manual actuation presser feet realizes the cam of presser foot lifter action.
The presser foot lifting device of a kind of sewing machine the most according to claim 1, it is characterised in that: described electricity Magnet foot lifting mechanism also includes crank one, linking arm and contiguous block, one end of described crank one and connecting rod The other end is hinged, and the other end of crank one is fixing with one end of linking arm to be connected, the other end of linking arm and company The one end connecing block is hinged, and the other end of contiguous block is hinged with the output shaft of electric magnet.
The presser foot lifting device of a kind of sewing machine the most according to claim 1 and 2, it is characterised in that: institute Stating to connect on depression bar has jacking block, the described other end of front crank to abut with the bottom surface of jacking block;The one of described connecting rod End abuts with the bottom surface of jacking block.
The presser foot lifting device of a kind of sewing machine the most according to claim 3, it is characterised in that: described top Block position on depression bar is adjustable.
5. according to the presser foot lifting device of a kind of sewing machine described in claim 1 or 2 or 4, it is characterised in that: The other end of described depression bar is provided with spring, and the upper end of described spring is provided with pressure regulating screw.
The presser foot lifting device of a kind of sewing machine the most according to claim 5, it is characterised in that: described convex Being provided with drive rod on wheel, one end of drive rod is provided with handle.
The presser foot lifting device of a kind of sewing machine the most according to claim 6, it is characterised in that: described convex Wheel abuts with the bottom surface of front crank.
CN201620259911.0U 2016-03-31 2016-03-31 Presser foot lifting device of sewing machine Active CN205501597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620259911.0U CN205501597U (en) 2016-03-31 2016-03-31 Presser foot lifting device of sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620259911.0U CN205501597U (en) 2016-03-31 2016-03-31 Presser foot lifting device of sewing machine

Publications (1)

Publication Number Publication Date
CN205501597U true CN205501597U (en) 2016-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620259911.0U Active CN205501597U (en) 2016-03-31 2016-03-31 Presser foot lifting device of sewing machine

Country Status (1)

Country Link
CN (1) CN205501597U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107237055A (en) * 2017-08-09 2017-10-10 浙江中捷缝纫科技有限公司 A kind of presser foot of sewing machine
CN111394895A (en) * 2019-12-02 2020-07-10 浙江广和缝纫机有限公司 Pressure control device for presser foot of sewing machine
CN111793909A (en) * 2019-04-05 2020-10-20 蛇目缝衣机工业株式会社 Cloth presser foot up-down driving device and sewing machine with same
WO2021227264A1 (en) * 2020-05-15 2021-11-18 杰克缝纫机股份有限公司 Sewing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107237055A (en) * 2017-08-09 2017-10-10 浙江中捷缝纫科技有限公司 A kind of presser foot of sewing machine
CN107237055B (en) * 2017-08-09 2023-08-22 浙江中捷缝纫科技有限公司 Presser foot structure of sewing machine
CN111793909A (en) * 2019-04-05 2020-10-20 蛇目缝衣机工业株式会社 Cloth presser foot up-down driving device and sewing machine with same
US11255033B2 (en) 2019-04-05 2022-02-22 Janome Corporation Presser foot vertical drive device and sewing machine including the same
CN111394895A (en) * 2019-12-02 2020-07-10 浙江广和缝纫机有限公司 Pressure control device for presser foot of sewing machine
WO2021227264A1 (en) * 2020-05-15 2021-11-18 杰克缝纫机股份有限公司 Sewing machine

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