CN105350187B - Has the mechanism for lifting pressre of sewing machine of locking device - Google Patents
Has the mechanism for lifting pressre of sewing machine of locking device Download PDFInfo
- Publication number
- CN105350187B CN105350187B CN201510630221.1A CN201510630221A CN105350187B CN 105350187 B CN105350187 B CN 105350187B CN 201510630221 A CN201510630221 A CN 201510630221A CN 105350187 B CN105350187 B CN 105350187B
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- armature
- locking
- crank
- electromagnet
- rear crank
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Classifications
-
- 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
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of mechanism for lifting pressre of sewing machine of tool locking device, the foot lifting mechanism includes preceding crank, pull rod, rear crank, and the other end of one end of preceding crank connecting rod, pull rod connects rear crank；Preceding crank connects platform sling, and platform sling contacts the connector being fixedly connected with presser feet in presser foot lifter；Rear crank is hinged presser foot lifter armature, and presser foot lifter armature is located in presser foot lifter electromagnet；Rear crank is hinged mandril；Locking electromagnet and travel switch are provided with above the foot lifting mechanism, travel switch can control the energization of locking electromagnet；Locking armature is provided in locking electromagnet, locking armature connects resetting spring.The present invention can mitigate the working strength of sewer, realize energy conservation and environmental protection, and laborsaving power saving.
Description
Technical field
The present invention relates to a kind of attachmentes of sewing machine, and in particular to a kind of mechanism for lifting pressre of sewing machine of tool locking device.
Background technology
When with stitching sewing machine clothes, need to lift presser feet to be placed under presser feet sewing to press against, compression spring is downward
Sewing is compressed, is placed, arrangement sewing needs the time.Currently, lifting presser feet, there are three types of modes：1. pulling handle；2. knee at most bar
Device；3. controlling executive component, such as electromagnet.Two hands arrange sewing, cannot pull handle.If with knee, at most bar will press
After foot lifts, sewer persistently withstands knee at most lever apparatus with knee, presser feet could be allowed to rest on upper, sewer can be tired
Labor.If after being lifted presser feet with electromagnet, electromagnet wants continuous drain, presser feet could be allowed to rest on upper.Electromagnet generates heat
Magnetic force weakens afterwards, and presser feet is just lifted less than original height.
Invention content
Technical problem to be solved by the invention is to provide a kind of mechanism for lifting pressre of sewing machine of tool locking device, it can be with
Presser feet is allowed to rest on after at most bar lifts presser feet using knee upper, sewer will not fatigue；Using electromagnet by presser feet
After lifting, electromagnet will not continuous drain, energy consumption can be reduced, avoid electromagnet generate heat and magnetic force weaken.
In order to solve the above technical problems, the present invention has the technical solution of the mechanism for lifting pressre of sewing machine of locking device
For：
The foot lifting mechanism includes preceding crank 7, pull rod 8, rear crank 9, one end of 7 connecting rod 8 of preceding crank, pull rod 8
The other end connect rear crank 9；Preceding crank 7 connects platform sling 4, and platform sling 4 contacts the connector being fixedly connected with compression bar 2 in presser foot lifter
3；Rear crank 9 is hinged presser foot lifter armature 12, and presser foot lifter armature 12 is located in presser foot lifter electromagnet 11；When presser foot lifter electromagnet 11 is logical
When electric, presser foot lifter armature 12 can move upwards, and rear crank 9 is driven to turn to lifting status, and rear crank 9 pulls pull rod 8, pull rod
8 drive preceding crank 7 to rotate, and preceding crank 7 drives platform sling 4 to move upwards, and platform sling 4 pulls up compression bar 2 by connector 3, to make
Presser feet 1, which is lifted, to be come, and realizes presser foot lifter action；Rear crank 9 is hinged mandril 10；Mandril 10 can be transported upwards under external force
It is dynamic, drive rear crank 9 to turn to lifting status, crank 7 rotates before rear crank 9 pulls pull rod 8, pull rod 8 to drive, 7 band of preceding crank
Dynamic platform sling 4 moves upwards, and platform sling 4 pulls up compression bar 2 by connector 3, comes to make presser feet 1 be lifted, and realizes that presser foot lifter is dynamic
Make；The foot lifting mechanism, which is provided with locking electromagnet 15 and travel switch 17, travel switch 17, can control locking electromagnet
15 energization；Locking armature 14 is provided in locking electromagnet 15, locking armature 14 connects resetting spring 16；When locking electromagnet
When 15 energization, locking armature 14 can overcome the elastic force of resetting spring 16 protruding；When presser feet 1 is lifted, in lifting
The foot lifting mechanism of state triggers travel switch 17, and locking electromagnet 15 is made to be powered, and locking armature 14 is protruding, and locking is made to hold in the mouth
Iron 14 is pushed down by foot lifting mechanism, and foot lifting mechanism is made to keep lifting status, realizes the locking of presser feet lifting status.
It is described locking armature 14 head form protrusion so that foot lifting mechanism push down locking armature 14 in the state of,
Head will not slip.
The travel switch 17 further includes magnetic induction switch, optoelectronic switch.
So that the mandril 10 is moved upwards under external force, drives rear crank 9 to turn to lifting status, rear crank 9 exists
Travel switch 17 is encountered in rotation process, travel switch 17 is connected, and locking electromagnet 15 is made to be powered, and locking armature 14 overcomes reset
The elastic force of spring 16 is protruding, and locking armature 14 contacts fulcrum 18；Mandril 10 is set not stress, rear crank 9 is few to initial position
Perhaps it swings and pushes down locking armature 14；Locking electromagnet 15 is set to power off, locking armature 14 will not under the pressure effect of rear crank 9
It retracts, presser feet 1 is still locked in lifting status；The mandril 10 is set to move upwards under external force again, 10 band of mandril
Dynamic rear crank 9 continues up rotation, and rear crank 9 is made to leave locking armature 14, and locking armature 14 is made in the elastic force of resetting spring 16
With lower inside retraction；Mandril 10 is set not stress again, rear crank 9 resets, and presser feet 1 falls on bottom, and travel switch 17 restores to disconnect
State.
The presser foot lifter electromagnet 11 is set to be powered, presser foot lifter armature 12 moves upwards, and drives rear crank 9 to turn to and lifts shape
State, rear crank 9 encounter travel switch 17 in rotation process, and travel switch 17 is connected, and locking electromagnet 15 is made to be powered, locking rank
Iron 14 overcomes the elastic force of resetting spring 16 protruding, and locking armature 14 contacts fulcrum 18；Then make presser foot lifter electromagnet 11 disconnected
Electricity, presser foot lifter armature 12 do not stress, and rear crank 9 is to initial position little play and pushes down locking armature 14；Make locking electromagnet
15 power-off, locking armature 14 will not retract under the pressure effect of rear crank 9, and presser feet 1 is still locked in lifting status；Again
Presser foot lifter electromagnet 11 is set to be powered, presser foot lifter armature 12 drives rear crank 9 to continue up rotation, and rear crank 9 is made to leave locking rank
Iron 14, locking armature 14 inwardly bounce back under the elastic force effect of resetting spring 16；Presser foot lifter electromagnet 11 is set to power off, presser foot lifter rank
Iron 12 does not stress, and rear crank 9 resets, and presser feet 1 falls on bottom, and travel switch 17 restores off-state.
What the present invention can reach has the technical effect that：
The present invention can mitigate the working strength of sewer, realize energy conservation and environmental protection, and laborsaving power saving.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Fig. 1 is the schematic diagram of the mechanism for lifting pressre of sewing machine of present invention tool locking device, is original state in figure；
Fig. 2 is that the presser feet of the present invention is in upper schematic diagram.
Reference sign in figure：
1 is presser feet, and 2 be compression bar,
3 be connector, and 4 be platform sling,
5 be spring, and 6 be pressure regulating screw,
7 be preceding crank, and 8 be pull rod,
9 be rear crank, and 10 be mandril,
11 be presser foot lifter electromagnet, and 12 be presser foot lifter armature,
13 be holder, and 14 be locking armature,
15 be locking electromagnet, and 16 be resetting spring,
17 be travel switch, and 18 be fulcrum,
101 be head.
Specific implementation mode
As shown in Figure 1, the present invention has the mechanism for lifting pressre of sewing machine of locking device, including presser feet 1, presser feet 1 are fixedly connected
The bottom end of compression bar 2, the lower end of the tip contact spring 5 of compression bar 2, the upper-end contact pressure regulating screw 6 of spring 5；
Compression bar 2 is fixedly connected with connector 3, and connector 3 contacts platform sling 4 in presser foot lifter, and platform sling 4 connects preceding crank 7, preceding crank 7
The other end of one end of connecting rod 8, pull rod 8 connects rear crank 9；Rear crank 9 is connected through the hinge presser foot lifter armature 12, lift pressure
Foot armature 12 is located in presser foot lifter electromagnet 11, and when presser foot lifter electromagnet 11 is powered, presser foot lifter armature 12 can move upwards；
Presser foot lifter electromagnet 11 is hinged on by holder 13 on head 101, and presser foot lifter electromagnet 11 can be swung；
Compression bar 2 is located in vertically-guided hole, and compression bar 2 can only move up and down；
Preceding crank 7, rear crank 9 are hinged on head 101, and preceding crank 7, rear crank 9 can be swung；
Rear crank 9 is connected through the hinge the top of mandril 10；Mandril 10 is located in vertically-guided hole, and mandril 10 can only be upper and lower
Movement；
The top of rear crank 9 is provided with locking electromagnet 15 and travel switch 17, and travel switch 17 can control locking electricity
The energization of magnet 15；
Locking armature 14 is provided in locking electromagnet 15, locking armature 14 connects resetting spring 16；When locking electromagnet
When 15 energization, locking armature 14 can overcome the elastic force of resetting spring 16 protruding；
The bigger formation protrusion in head for locking armature 14, so that foot lifting mechanism（Such as rear crank 9）Pushing down locking armature
In the state of 14, head protrusion will not slip.
When foot lifting mechanism makes presser feet 1 lift, travel switch 17 is triggered, locking electromagnet 15 is made to be powered, locks armature
14 is protruding, and locks armature 14 by the wherein part in foot lifting mechanism（Such as rear crank 9）It pushes down, makes foot lifting mechanism
Lifting status is kept, realizes the locking of presser feet lifting status；
Locking electromagnet 15 and travel switch 17 may be mounted on respective holder and be mounted on head 101 again, position
It can adjust；Travel switch 17 can also be arranged in foot lifting mechanism on some part.
Working principle of the present invention is as follows：
Under original state, pressure regulating screw 6 pushes down the upper end of compression bar 2 by spring 5, and presser feet 1 is made to push down sewing；Pressure regulating screw
6 are screwed down, and the pressure of presser feet 1 increases.
Knee at most bar presser foot lifter mode：
By knee crash device, mandril 10, mandril 10 drive rear crank 9 to be rotated up counterclockwise to lifting status upwards, after
Crank 7 rotates clockwise before crank 9 pulls to the right pull rod 8, pull rod 8 to drive, and preceding crank 7 drives platform sling 4 to move upwards, platform sling 4
Compression bar 2 is pulled up by connector 3, is come to make presser feet 1 be lifted, realizes presser foot lifter action；Presser feet 1 is lifted higher, after
Top power needed for crank 9 is bigger；
For rear crank 9 during being rotated up counterclockwise, rear crank 9 meets the travel switch 17 above it, and stroke is opened
It closes 17 to connect, locking electromagnet 15 is made to be powered, locking armature 14 overcomes the elastic force of resetting spring 16 protruding, locks armature 14
Contact fulcrum 18；
Knee side leaves knee and device, mandril 10 is leaned on not to stress, and rear crank 9 is to initial position little play and pushes down locking armature
14；It locks electromagnet 15 to power off, locking armature 14 will not retract under the pressure effect of rear crank 9, and presser feet 1 is still locked in
Lifting status；
In the above process, the conduction time of locking electromagnet 15 can be arranged very short；
Again by knee crash device, mandril 10, mandril 10 drive rear crank 9 to continue up rotation, make rear crank 9 upwards
Locking armature 14 is left, locking armature 14 inwardly bounces back under the elastic force effect of resetting spring 16；
Knee side leaves knee and device, mandril 10 is leaned on not to stress again, and rear crank 9 resets, and presser feet 1 falls on bottom, travel switch
17 restore off-state.
Electromagnet presser foot lifter mode：
Presser foot lifter electromagnet 11 is set to be powered, presser foot lifter armature 12 moves upwards, and rear crank 9 is driven to rotate counterclockwise to lifting
State, crank 7 rotates clockwise before rear crank 9 pulls to the right pull rod 8, pull rod 8 to drive, and preceding crank 7 drives platform sling 4 to transport upwards
Dynamic, platform sling 4 pulls up compression bar 2 by connector 3, comes to make presser feet 1 be lifted, and realizes presser foot lifter action；
For rear crank 9 during being rotated up counterclockwise, rear crank 9 meets the travel switch 17 above it, and stroke is opened
It closes 17 to connect, locking electromagnet 15 is made to be powered, locking armature 14 overcomes the elastic force of resetting spring 16 protruding, locks armature 14
Contact fulcrum 18；
Then power off presser foot lifter electromagnet 11, presser foot lifter armature 12 do not stress, and rear crank 9 is to initial position little play
And push down locking armature 14；
It locks electromagnet 15 to power off, since the head of locking armature 14 is bigger, locking armature 14 is made in the pressure of rear crank 9
It will not retract under, presser feet 1 is still locked in lifting status；
In the above process, the conduction time of presser foot lifter electromagnet 11 and locking electromagnet 15 can be arranged very short；
Presser foot lifter electromagnet 11 is set to be powered again, presser foot lifter armature 12 drives rear crank 9 to continue up rotation, makes rear crank
9 leave locking armature 14, and locking armature 14 inwardly bounces back under the elastic force effect of resetting spring 16；
Presser foot lifter electromagnet 11 is set to power off, presser foot lifter armature 12 does not stress, and rear crank 9 resets, and presser feet 1 falls on bottom, row
Cheng Kaiguan 17 restores off-state.
Claims (5)
1. a kind of mechanism for lifting pressre of sewing machine of tool locking device, it is characterised in that：The foot lifting mechanism includes preceding crank
（7）, pull rod（8）, rear crank（9）, preceding crank（7）Connecting rod（8）One end, pull rod（8）The other end connect rear crank
（9）；
Preceding crank（7）Connect platform sling（4）, platform sling（4）Contact and compression bar in presser foot lifter（2）The connector being fixedly connected（3）；
Rear crank（9）Hinged presser foot lifter armature（12）, presser foot lifter armature（12）Positioned at presser foot lifter electromagnet（11）It is interior；Work as presser foot lifter
Electromagnet（11）When energization, presser foot lifter armature（12）It can move upwards, drive rear crank（9）Lifting status is turned to, it is rear bent
Handle（9）Pull pull rod（8）, pull rod（8）Crank before driving（7）Rotation, preceding crank（7）Drive platform sling（4）It moves upwards, platform sling
（4）Pass through connector（3）Pull up compression bar（2）, to make presser feet（1）It is lifted and, realize presser foot lifter action；
Rear crank（9）Hinged mandril（10）；Mandril（10）It can move upwards under external force, drive rear crank（9）Rotation
To lifting status, rear crank（9）Pull pull rod（8）, pull rod（8）Crank before driving（7）Rotation, preceding crank（7）Drive platform sling（4）
It moves upwards, platform sling（4）Pass through connector（3）Pull up compression bar（2）, to make presser feet（1）It is lifted and, realize that presser foot lifter is dynamic
Make；
The foot lifting mechanism is provided with locking electromagnet（15）And travel switch（17）, travel switch（17）Locking can be controlled
Electromagnet（15）Energization；Lock electromagnet（15）Inside it is provided with locking armature（14）, lock armature（14）Connect resetting spring
（16）；When locking electromagnet（15）When energization, armature is locked（14）Resetting spring can be overcome（16）Elastic force it is protruding；
Work as presser feet（1）When being lifted, the foot lifting mechanism in lifting status triggers travel switch（17）, make locking electromagnet
（15）It is powered, locks armature（14）It is protruding, make locking armature（14）It is pushed down by foot lifting mechanism, foot lifting mechanism is made to keep
Lifting status realizes the locking of presser feet lifting status.
2. the mechanism for lifting pressre of sewing machine of tool locking device according to claim 1, it is characterised in that：The locking armature
（14）Head form protrusion so that foot lifting mechanism is pushing down locking armature（14）In the state of, head will not slip.
3. the mechanism for lifting pressre of sewing machine of tool locking device according to claim 1, it is characterised in that：The travel switch
（17）Further include magnetic induction switch, optoelectronic switch.
4. the mechanism for lifting pressre of sewing machine of tool locking device according to claim 1, it is characterised in that：Make the mandril
（10）It moves upwards under external force, drives rear crank（9）Turn to lifting status, rear crank（9）It is touched in rotation process
To travel switch（17）, travel switch（17）It connects, makes locking electromagnet（15）It is powered, locks armature（14）Overcome resetting spring
（16）Elastic force it is protruding, lock armature（14）Contact fulcrum（18）；
Make mandril（10）It does not stress, rear crank（9）To initial position little play and push down locking armature（14）；Make locking electromagnetism
Iron（15）Power-off locks armature（14）In rear crank（9）Pressure effect under will not retract, presser feet（1）Still it is locked in lift
The state of rising；
Make the mandril again（10）It moves upwards under external force, mandril（10）Drive rear crank（9）Rotation is continued up,
Make rear crank（9）Leave locking armature（14）, lock armature（14）In resetting spring（16）The lower inwardly retraction of elastic force effect；
Make mandril again（10）It does not stress, rear crank（9）It resets, presser feet（1）Fall on bottom, travel switch（17）Restore to disconnect shape
State.
5. the mechanism for lifting pressre of sewing machine of tool locking device according to claim 1, it is characterised in that：Make the presser foot lifter
Electromagnet（11）It is powered, presser foot lifter armature（12）It moves upwards, drives rear crank（9）Turn to lifting status, rear crank（9）
Travel switch is encountered in rotation process（17）, travel switch（17）It connects, makes locking electromagnet（15）It is powered, locks armature（14）
Overcome resetting spring（16）Elastic force it is protruding, lock armature（14）Contact fulcrum（18）；
Then make presser foot lifter electromagnet（11）Power-off, presser foot lifter armature（12）It does not stress, rear crank（9）It is put a little to initial position
It moves and pushes down locking armature（14）；Make locking electromagnet（15）Power-off locks armature（14）In rear crank（9）Pressure effect under
It will not retract, presser feet（1）Still it is locked in lifting status；
Make presser foot lifter electromagnet again（11）It is powered, presser foot lifter armature（12）Drive rear crank（9）Rotation is continued up, song after making
Handle（9）Leave locking armature（14）, lock armature（14）In resetting spring（16）The lower inwardly retraction of elastic force effect；
Make presser foot lifter electromagnet（11）Power-off, presser foot lifter armature（12）It does not stress, rear crank（9）It resets, presser feet（1）It falls on down
Position, travel switch（17）Restore off-state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630221.1A CN105350187B (en) | 2015-09-29 | 2015-09-29 | Has the mechanism for lifting pressre of sewing machine of locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630221.1A CN105350187B (en) | 2015-09-29 | 2015-09-29 | Has the mechanism for lifting pressre of sewing machine of locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350187A CN105350187A (en) | 2016-02-24 |
| CN105350187B true CN105350187B (en) | 2018-08-07 |
Family
ID=55326242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510630221.1A Active CN105350187B (en) | 2015-09-29 | 2015-09-29 | Has the mechanism for lifting pressre of sewing machine of locking device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951312A (en) * | 2016-07-08 | 2016-09-21 | 杰克缝纫机股份有限公司 | Method for controlling thread cutting and press foot lifting movement of sewing machine |
| CN106498633B (en) * | 2016-12-31 | 2019-05-10 | 杰克缝纫机股份有限公司 | A kind of sewing machine with new type auto presser foot lifter structure |
| CN106676766B (en) * | 2016-12-31 | 2019-04-02 | 杰克缝纫机股份有限公司 | A kind of novel presser foot lifter electromagnet structure |
| CN108251977A (en) * | 2018-04-08 | 2018-07-06 | 苏州胜璟电磁科技有限公司 | It is a kind of apart from adjustable solenoid |
| CN109652927B (en) * | 2018-12-29 | 2021-05-04 | 杰克缝纫机股份有限公司 | Presser foot control method and device, computer equipment and storage medium |
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| CN105350187A (en) | 2016-02-24 |
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Address after: No. 193, Xinxin Middle Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group Co.,Ltd. Address before: No. 193, Xinxin Middle Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |
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Denomination of invention: Sewing machine presser foot lifting mechanism with locking device Effective date of registration: 20230902 Granted publication date: 20180807 Pledgee: Wenling sub branch of Postal Savings Bank of China Ltd. Pledgor: Meiji Technology Group Co.,Ltd. Registration number: Y2023980054984 |
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