CN109825962A - A kind of electronics knee leans on structure - Google Patents
A kind of electronics knee leans on structure Download PDFInfo
- Publication number
- CN109825962A CN109825962A CN201910234104.1A CN201910234104A CN109825962A CN 109825962 A CN109825962 A CN 109825962A CN 201910234104 A CN201910234104 A CN 201910234104A CN 109825962 A CN109825962 A CN 109825962A
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- CN
- China
- Prior art keywords
- presser foot
- foot lifter
- knee
- sensor
- leans
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- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of electronics knees to lean on structure, disk component and the second nut are leaned on including food tray, presser foot lifter top cap, sensor stand, mounting screw, sensor, induced magnet, the first nut, presser foot lifter crank, shaft, fixed crank, knee, wherein, sensor is installed on sensor stand；Sensor stand is fixed on food tray by mounting screw and the second nut；Food tray has a through-hole, and presser foot lifter top cap is interspersed in the through-hole of food tray；A step is equipped on the downside of presser foot lifter top cap, step lower end is screw thread, and induced magnet passes through presser foot lifter top cap, and side is limited by step, and the other side is locked by the first nut with screw thread；Presser foot lifter crank is set to below presser foot lifter top cap, and is fixed in shaft；Knee is connected and fixed in shaft by disk component by fixed crank.The present invention is directed to identify knee by movement by sensor, presser foot lifter electromagnet synchronous working is controlled when knee leans on, burden knee is by part power needed for presser foot lifter, so that knee is more laborsaving by presser foot lifter.
Description
Technical field
The present invention relates to technical field of sewing machines, and in particular to a kind of electronics knee leans on structure.
Background technique
Sewing machine during the work time, one section of stitching of every completion, it is necessary to lift presser feet, presser foot lifter is according to driving method one
As be divided into manual presser foot lifter, electromagnet presser foot lifter and knee by presser foot lifter.And currently, most of industrial sewing machine making of being all
It is that hinged knee mentions mandril on lever with manual presser foot lifter, knee is acted on by operator's knee and mentions mandril realization presser foot lifter
Work.It includes presser foot lifter lever and fixed frame, and presser foot lifter lever is articulated on flat seam machine fuselage, and fixed frame is fixed on flat seam machine
On fuselage, through-hole is also provided on fixed frame, being plugged in through-hole can be around the shaft that itself is axially rotated, and foot lifting mechanism is also
Including shifter lever and chain hook, the inner end of shifter lever is fixed at the inner end of shaft, the lower end of chain hook and shifter lever it is outer
Hold phase clasp joint, the upper end clasp joint of chain hook is able to drive the shaft on presser foot lifter lever, being additionally provided with one at the outer end of shaft
The knee control lean rod of rotation is fixed with the back cushion touched for operator's knee in knee control lean rod.Another part uses electromagnet
Presser foot lifter is the protruding drive link rotatable of push rod by electromagnet, and link rotatable drives crank to rotate by shaft, bent
Handle rotation drives lifting plate to swing, and lifting plate swings by transmission mechanism and compression bar is driven to be lifted up, and realizes that foot lifting mechanism is dynamic
Make.And since the presser feet rising height of manual presser foot lifter and electromagnet presser foot lifter is constant, when operator needs to lift to presser feet
When certain position, either due to portion of garment technique or cloth require corner or it is blocked up excessively thin when presser feet is lifted it is smaller
A height when, in these cases, the fixed induction presser foot lifter of rising height is then unable to satisfy the needs of operator, still
So need knee by presser foot lifter.Operator needs to push operation panel with knee when work, then drives lift pressure by transmission mechanism
Foot device.Such structure is more laborious, and is used for a long time and can cause centainly to damage to knee.
Summary of the invention
The purpose of the present invention is to provide a kind of electronics knees to lean on structure, it is intended to identify knee by movement, in knee by sensor
By when control presser foot lifter electromagnet synchronous working, burden knee part power needed for the presser foot lifter so that artificial knee by presser foot lifter more
Add laborsaving.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of electronics knee leans on structure, including food tray, presser foot lifter top cap, sensor stand, mounting screw, sensor, induction
Magnet, the first nut, presser foot lifter crank, shaft, fixed crank, knee lean on disk component and the second nut, wherein
The sensor is installed on sensor stand；
The sensor stand is fixed on the food tray by mounting screw and the second nut；
The food tray has a through-hole, and the presser foot lifter top cap is interspersed in the through-hole of food tray.
Further, the sensor is linear hall sensor.
Further, a step is equipped on the downside of the presser foot lifter top cap, step lower end is screw thread, and the induced magnet passes through
Presser foot lifter top cap, side are limited by the step, and the other side is locked by the first nut and the screw thread.
Further, the presser foot lifter crank is set to below presser foot lifter top cap, and is fixed in shaft.
Further, the knee is connected and fixed in shaft by disk component by fixed crank.
Further, the sensor stand is equipped with an opening elongated slot, can adjust sensor according to actual installation demand
The installation site of bracket.
Further, the shape of the induced magnet is not fixed, and can be cylindrical or annular.
Further, the presser foot lifter crank and shaft are fixed by screw.
Further, the sensor is installed close to the axis of presser foot lifter top cap.
Further, the power output situation that knee controls presser foot lifter electromagnet by action situation, electromagnetism are detected by sensor
Iron power output is consistently less than full power output state.
Compared with prior art, present invention has the advantage that
1. the present invention identifies that knee by movement, monitors presser foot lifter height and synchronization by sensor when knee is leaned on by sensor
Presser foot lifter work of electromagnet is controlled, burden knee is by part power needed for presser foot lifter, so that artificial knee is more laborsaving by presser foot lifter.
2. the present invention judges knee by situation, as long as by identifying the presser foot lifter using the up and down motion of monitoring presser foot lifter top cap
The up and down motion of system can be carried out knee by the real-time monitoring of movement.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the partial enlargement diagram that electronics knee of the present invention leans on structure.
Fig. 3 is the partial enlargement diagram of trigger architecture of the present invention.
Fig. 4 is presser foot lifter top cap enlarged diagram of the present invention.
In figure: 1, food tray；2, presser foot lifter top cap；3, sensor stand；4, mounting screw；5, sensor；6, induced magnet；
7, the first nut；8, presser foot lifter crank；9, shaft；10, fixed crank；11, knee leans on disk component；12, the second nut.
Specific embodiment
The invention will now be further described with reference to specific embodiments, but examples are merely exemplary, not to this hair
Bright range constitutes any restrictions.It will be understood by those skilled in the art that without departing from the spirit and scope of the invention
Can with the details and forms of the technical scheme of the invention are modified or replaced, but these modification and replacement each fall within it is of the invention
In protection scope.
As illustrated in fig. 1 and 2, a kind of electronics knee leans on structure, including food tray 1, presser foot lifter top cap 2, sensor stand 3, installation
Screw 4, sensor 5, induced magnet 6, the first nut 7, presser foot lifter crank 8, shaft 9, fixed crank 10 and knee lean on disk component 11,
Wherein, sensor 5 by screw or the modes such as sticks together and is fixed on sensor stand 3；Presser foot lifter crank 8 is set to presser foot lifter
2 lower section of top cap, and be fixed in shaft 9；Knee is connected and fixed in shaft 9 by disk component 11 by fixed crank 10.Incude magnetic
The shape of iron 6 is not fixed, and any shape for being able to achieve the function is ok, and can be cylindrical or annular；8 He of presser foot lifter crank
Shaft 9 is fixed by screw；Sensor 5 is installed close to the axis of presser foot lifter top cap 2.
As shown in figs. 1 and 3, food tray 1 has a through-hole, and presser foot lifter top cap 2 is interspersed in the through-hole of food tray 1.
As shown in figure 3, a kind of electronics knee leans on structure, it further include the second nut 12, sensor stand 3 passes through mounting screw 4
It being fixed on the food tray 1 with the second nut 12, sensor stand 3 is equipped with an opening elongated slot, and mounting screw 4 is stuck in slot,
It can be moved freely in slot, according to actual installation demand, adjust position of the mounting screw 4 in slot to control sensor stand 3
Installation site.
As shown in figs. 1 and 4, a step is equipped on the downside of presser foot lifter top cap 2, step lower end is screw thread, and induced magnet 6 passes through lift
Presser feet top cap 2, side is limited by step, and the other side is locked by the first nut 7 with screw thread.
Working principle is as follows:
When operator needs knee by presser foot lifter, knee is pushed to lean on disk component 11 by knee first, knee leans on disk component 11
Shaft 9 is driven to rotate by connector fixed crank 10.Presser foot lifter crank 8 follows shaft 9 to rotate together in shaft 9.Presser foot lifter
Crank 8 jacks up presser foot lifter top cap 2 after rotating, presser foot lifter top cap 2 is lifted up in the process induced magnet 6 thereon and follows together upwards
Movement.Sensor 5 is installed close to the axis of presser foot lifter top cap 2, during induced magnet 6 moves upwards, sensor 5 and induction
Spacing constantly changes between magnet 6, and sensor 5 exports control command according to the variation.It is automatically controlled that data are monitored according to sensor
Judge 2 height change of presser foot lifter top cap, exerts oneself to control presser foot lifter electromagnet power output to mitigate knee by institute.Due to presser feet spring
Effect, presser foot lifter lift height it is higher, knee lean on presser foot lifter required for power it is bigger, in order to allow knee by power it is constant at one relatively
In light range, presser foot lifter electromagnet contributes situation need to be according to the presser feet high level of synchronization adjusting that sensor 5 judges.Electromagnet power output
Knee is consistently less than by total power needed for presser foot lifter.
Claims (10)
1. a kind of electronics knee leans on structure, which is characterized in that including food tray (1), presser foot lifter top cap (2), sensor stand (3), peace
Cartridge screw (4), sensor (5), induced magnet (6), the first nut (7), presser foot lifter crank (8), shaft (9), fixed crank
(10), knee leans on disk component (11) and the second nut (12), wherein
The sensor (5) is installed on sensor stand (3)；
The sensor stand (3) is fixed on the food tray (1) by mounting screw (4) and the second nut (12)；
The food tray (1) has a through-hole, and the presser foot lifter top cap (2) is interspersed in the through-hole of food tray (1).
2. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the sensor is linear Hall sensing
Device.
3. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that set on the downside of the presser foot lifter top cap (2)
There is a step, step lower end is screw thread, and the induced magnet (6) passes through presser foot lifter top cap (2), and side is limited by the step,
The other side is locked by the first nut (7) and the screw thread.
4. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the presser foot lifter crank (8) is set to
Below presser foot lifter top cap (2), and it is fixed on shaft (9).
5. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the knee passes through solid by disk component (11)
Determine crank (10) to be connected and fixed on shaft (9).
6. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the sensor stand (3) is equipped with
One opening elongated slot, can adjust the installation site of sensor stand (3) according to actual installation demand.
7. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the shape of the induced magnet (6) is
Cylindrical or annular.
8. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the presser foot lifter crank (8) and shaft
(9) it is fixed by screw.
9. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that the sensor (5) is close to presser foot lifter
The axis of top cap (2) is installed.
10. a kind of electronics knee according to claim 1 leans on structure, which is characterized in that detect knee by the sensor (5)
The power output situation of presser foot lifter electromagnet is controlled by action situation, electromagnet power output is consistently less than full power output state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234104.1A CN109825962A (en) | 2019-03-26 | 2019-03-26 | A kind of electronics knee leans on structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234104.1A CN109825962A (en) | 2019-03-26 | 2019-03-26 | A kind of electronics knee leans on structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109825962A true CN109825962A (en) | 2019-05-31 |
Family
ID=66872391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234104.1A Pending CN109825962A (en) | 2019-03-26 | 2019-03-26 | A kind of electronics knee leans on structure |
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| Country | Link |
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| CN (1) | CN109825962A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750423A (en) * | 2019-03-26 | 2019-05-14 | 杰克缝纫机股份有限公司 | A kind of electronics knee leans on trigger architecture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006149440A (en) * | 2004-11-25 | 2006-06-15 | Juki Corp | Sewing machine |
| US20140373765A1 (en) * | 2013-06-25 | 2014-12-25 | Zeng Hsing Industrial Co., Ltd. | Knee-controlled motor control device for a motor-driven presser mechanism of a sewing machine |
| CN204702918U (en) * | 2015-06-04 | 2015-10-14 | 浙江杜马缝纫机股份有限公司 | The induction type foot lifting mechanism of Sewing machines |
| CN105200674A (en) * | 2015-10-10 | 2015-12-30 | 浙江琦星电子有限公司 | Kneeing assembly on sewing machine |
| CN206457609U (en) * | 2016-10-12 | 2017-09-01 | 浙江沪龙科技股份有限公司 | Knee leans on sensor |
| CN208594374U (en) * | 2018-08-08 | 2019-03-12 | 杰克缝纫机股份有限公司 | A kind of presser foot device of sewing machine |
-
2019
- 2019-03-26 CN CN201910234104.1A patent/CN109825962A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006149440A (en) * | 2004-11-25 | 2006-06-15 | Juki Corp | Sewing machine |
| US20140373765A1 (en) * | 2013-06-25 | 2014-12-25 | Zeng Hsing Industrial Co., Ltd. | Knee-controlled motor control device for a motor-driven presser mechanism of a sewing machine |
| CN204702918U (en) * | 2015-06-04 | 2015-10-14 | 浙江杜马缝纫机股份有限公司 | The induction type foot lifting mechanism of Sewing machines |
| CN105200674A (en) * | 2015-10-10 | 2015-12-30 | 浙江琦星电子有限公司 | Kneeing assembly on sewing machine |
| CN206457609U (en) * | 2016-10-12 | 2017-09-01 | 浙江沪龙科技股份有限公司 | Knee leans on sensor |
| CN208594374U (en) * | 2018-08-08 | 2019-03-12 | 杰克缝纫机股份有限公司 | A kind of presser foot device of sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750423A (en) * | 2019-03-26 | 2019-05-14 | 杰克缝纫机股份有限公司 | A kind of electronics knee leans on trigger architecture |
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Application publication date: 20190531 |
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| RJ01 | Rejection of invention patent application after publication |