CN105463710A - Presser foot lifting mechanism of sewing machine - Google Patents
Presser foot lifting mechanism of sewing machine Download PDFInfo
- Publication number
- CN105463710A CN105463710A CN201510998474.4A CN201510998474A CN105463710A CN 105463710 A CN105463710 A CN 105463710A CN 201510998474 A CN201510998474 A CN 201510998474A CN 105463710 A CN105463710 A CN 105463710A
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- China
- Prior art keywords
- lifting
- plate
- spanner
- sewing machine
- machine according
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, and particularly relates to a presser foot lifting mechanism of a sewing machine. A driver is connected with a tooth lifting shaft through a wrench connecting plate mechanism, and the tooth lifting device is connected with a presser foot lifting device; the wrench connecting plate mechanism comprises a lifting and pressing wrench which is hinged to a machine shell through a shoulder screw, one end of the lifting and pressing wrench is connected with one end of a lifting and pressing crank through a wrench connecting plate, and the other end of the lifting and pressing crank is connected with the tooth lifting shaft; the other end of the lifting and pressing wrench is located above a movable rod of the driver and connected with the movable rod in a contacted mode, and the movable rod of the driver acts on the other end of the lifting and pressing wrench to drive the lifting and pressing wrench to swing and drives the tooth lifting shaft to swing through the wrench connecting plate and the lifting and pressing crank to achieve movement of lifting the presser foot. According to the presser foot lifting mechanism of the sewing machine, the wrench connecting plate mechanism is simple in structure, the transmission efficiency is high, force of a whole electromagnet is decreased by about 30%, the cost of the electromagnet is reduced, installing and adjusting are convenient, and the performance is reliable.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to a kind of mechanism for lifting pressre of sewing machine.
Background technology:
Existing presser foot lifter structure electromagnet is external and build is comparatively large, affects overall machine aesthetic property.Mechanism by more complicated between electromagnet with feed lifting rock shaft is connected, and therefore, the transmission efficiency of whole mechanism is not high, and the power of required electromagnet is comparatively large and overall structure cost is higher.
Summary of the invention:
The object of this invention is to provide the mechanism for lifting pressre of sewing machine that a kind of transmission efficiency is high, reduce costs.
The present invention is achieved in that
A kind of mechanism for lifting pressre of sewing machine, driver is connected with feed lifting rock shaft by spanner connection plate mechanism, feed lifting rock shaft is connected with presser foot lifting device, described spanner connection plate mechanism includes to be hinged on by axial screw, and casing lifts pressure spanner, the one end of lifting pressure spanner is connected with the one end of lifting handle of buckling by spanner connecting plate, the other end lifting handle of buckling is connected with feed lifting rock shaft, the top that the other end lifting pressure spanner is positioned at the motion bar of driver contacts with motion bar and connects, the motion bar of driver act on lift pressure spanner the other end drive lift pressure spanner swing and by spanner connecting plate, lift the swing of pressure crank handle turns feed lifting rock shaft and realize presser foot lifter action.
In technique scheme, described in lift pressure spanner and casing between axial screw outside be set with cushion block.
In technique scheme, described pressure spanner of lifting includes plate one and plate two, one end of plate one, plate two is sleeved on outside axial screw, and plate one is interconnected by connecting plate with this end of plate two, the other end and the spanner connecting plate of plate one are hinged, and the other end of plate two is formed with connecting portion in the top of motion bar.
In technique scheme, described plate one, connecting plate, plate two are integral type structure.
In technique scheme, described pressure spanner of lifting includes plate one and plate two, and one end of plate one, plate two is fixed on outside adapter sleeve, and adapter sleeve is sleeved on outside axial screw, the other end and the spanner connecting plate of plate one are hinged, and the other end of plate two is formed with connecting portion in the top of motion bar.
In technique scheme, described driver is fixed on chassis cavity by installing plate.
In technique scheme, the outer end of the motion bar of described driver arranges crown cap.
In technique scheme, it is characterized in that: described top cap is plastic cap or rubber cap.
In technique scheme, it is characterized in that: the top of described top cap is sphere curved surface.
In technique scheme, described driver is electromagnet or cylinder.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the present invention is arranged on cabinet rear, can convenient for assemblyly keep in repair, and overall structure is placed in casing interior, and not affect complete machine attractive in appearance;
2, spanner connection plate mechanism structure of the present invention is simple, and transmission efficiency is higher makes the power of whole electromagnet decline about about 30% reduce electromagnet cost, and installation and debugging are more convenient dependable performance also;
3, compact conformation of the present invention, simplify the structure of foot lifting mechanism, presser foot lifter effect is better.
Accompanying drawing illustrates:
Fig. 1 is one of schematic perspective view of the present invention;
Fig. 2 is schematic perspective view two of the present invention;
Fig. 3 is the schematic diagram that the present invention is arranged on casing;
Fig. 4 is the schematic diagram lifting pressure spanner of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-4:
A kind of mechanism for lifting pressre of sewing machine, driver 1 is connected with feed lifting rock shaft 2 by spanner connection plate mechanism, feed lifting rock shaft 2 is connected with the feed lifting rock shaft connecting plate 4 of presser foot lifting device 3, described spanner connection plate mechanism include by axial screw 5 be hinged on casing 6 lifting pressure spanner 7, the one end of lifting pressure spanner 7 is connected with the one end of lifting handle 9 of buckling by spanner connecting plate 8, the other end lifting handle 9 of buckling is connected with feed lifting rock shaft 2, the top that the other end lifting pressure spanner 7 is positioned at the motion bar 10 of driver 1 contacts with motion bar 10 and connects, the motion bar 10 of driver 1 acts on the other end lifting pressure spanner 7 and drives and lift pressure spanner 7 and to swing and by spanner connecting plate 8, lifting handle 9 of buckling drives feed lifting rock shaft 2 swing to realize presser foot lifter action.
In technique scheme, described in lift pressure spanner 7 and casing 6 between axial screw 5 outside be set with cushion block 11.
In technique scheme, described pressure spanner 7 of lifting includes plate 1 and plate 2 13, one end of plate 1, plate 2 13 is sleeved on outside axial screw 5, and plate 1 is interconnected by connecting plate 14 with this end of plate 2 13, the other end and the spanner connecting plate 8 of plate 1 are hinged, and the other end of plate 2 13 is formed with the top that connecting portion 15 is positioned at motion bar 10.Vertically between connecting portion 15 with plate 2 13 to arrange.
In technique scheme, described plate 1, connecting plate 14, plate 2 13 are integral type structure.When motion bar 10 acts on connecting portion 14, plate 1, connecting plate 14, plate 2 13 swing around axial screw 5 and transmit action to spanner connecting plate 8.
Lift the structure of pressure spanner 7 except above-mentioned structure, also following structure can be adopted: include plate one and plate two, one end of plate one, plate two is fixed on outside adapter sleeve, adapter sleeve is sleeved on outside axial screw 5, the other end and the spanner connecting plate 8 of plate one are hinged, and the other end of plate two is formed with connecting portion in the top of motion bar 10.Wherein, vertically between connecting portion with plate two to arrange.
When motion bar 10 acts on connecting portion, plate one, plate two and adapter sleeve swing around axial screw 5 and transmit action to spanner connecting plate 8.
In technique scheme, described driver 1 is fixed on casing 1 inner chamber by installing plate 16.
In technique scheme, the outer end of the motion bar 10 of described driver 1 arranges crown cap 17.Top cap 17 generally adopts plastic cap or rubber cap.Arrange top cap 17 can reduce motion bar 10 and lift the sound of pressing and colliding between the connecting portion 15 on spanner 7, reduce the noise of complete machine.
In technique scheme, cap 17 top, described top is sphere curved surface.Top cap 17 press connecting portion on spanner 7 15 to be connected with face for point with lifting, and is convenient to motion bar 10 promotion and lifts and press spanner 7.
In technique scheme, described driver 1 is electromagnet or cylinder.When driver 1 is electromagnet, corresponding motion bar 10 is iron core; When driver 1 is cylinder, corresponding motion bar 10 is cylinder rod.
Operation principle of the present invention:
The iron core of original state electromagnet is for inside contracting state, during energising, the electromagnet core effect of moving upward presses the connecting portion 15 of spanner 7 to promote to lift and press spanner 7 to rotate about 11 ° with lifting, then lift pressure spanner 7 to be driven by spanner connecting plate 8 and lift handle 9 of buckling and rotate 9 °, realizing presser feet height eventually through feed lifting rock shaft 2 is 7mm.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (10)
1. a mechanism for lifting pressre of sewing machine, it is characterized in that: driver is connected with feed lifting rock shaft by spanner connection plate mechanism, feed lifting rock shaft is connected with presser foot lifting device, described spanner connection plate mechanism includes to be hinged on by axial screw, and casing lifts pressure spanner, the one end of lifting pressure spanner is connected with the one end of lifting handle of buckling by spanner connecting plate, the other end lifting handle of buckling is connected with feed lifting rock shaft, the top that the other end lifting pressure spanner is positioned at the motion bar of driver contacts with motion bar and connects, the motion bar of driver act on lift pressure spanner the other end drive lift pressure spanner swing and by spanner connecting plate, lift the swing of pressure crank handle turns feed lifting rock shaft and realize presser foot lifter action.
2. a kind of mechanism for lifting pressre of sewing machine according to claim 1, is characterized in that: described in lift pressure spanner and casing between axial screw outside be set with cushion block.
3. a kind of mechanism for lifting pressre of sewing machine according to claim 1 and 2, it is characterized in that: described in lift pressure spanner include plate one and plate two, one end of plate one, plate two is sleeved on outside axial screw, and plate one is interconnected by connecting plate with this end of plate two, the other end and the spanner connecting plate of plate one are hinged, and the other end of plate two is formed with connecting portion in the top of motion bar.
4. a kind of mechanism for lifting pressre of sewing machine according to claim 3, is characterized in that: described plate one, connecting plate, plate two are integral type structure.
5. a kind of mechanism for lifting pressre of sewing machine according to claim 1 and 2, it is characterized in that: described in lift pressure spanner include plate one and plate two, one end of plate one, plate two is fixed on outside adapter sleeve, adapter sleeve is sleeved on outside axial screw, the other end and the spanner connecting plate of plate one are hinged, and the other end of plate two is formed with connecting portion in the top of motion bar.
6. a kind of mechanism for lifting pressre of sewing machine according to claim 1, is characterized in that: described driver is fixed on chassis cavity by installing plate.
7. a kind of mechanism for lifting pressre of sewing machine according to claim 1, is characterized in that: the outer end of the motion bar of described driver arranges crown cap.
8. a kind of mechanism for lifting pressre of sewing machine according to claim 7, is characterized in that: described top cap is plastic cap or rubber cap.
9. a kind of mechanism for lifting pressre of sewing machine according to claim 7, is characterized in that: the top of described top cap is sphere curved surface.
10. a kind of mechanism for lifting pressre of sewing machine according to claim 1 or 6 or 7, is characterized in that: described driver is electromagnet or cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998474.4A CN105463710B (en) | 2015-12-25 | 2015-12-25 | A kind of mechanism for lifting pressre of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998474.4A CN105463710B (en) | 2015-12-25 | 2015-12-25 | A kind of mechanism for lifting pressre of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105463710A true CN105463710A (en) | 2016-04-06 |
| CN105463710B CN105463710B (en) | 2018-11-23 |
Family
ID=55601847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510998474.4A Active CN105463710B (en) | 2015-12-25 | 2015-12-25 | A kind of mechanism for lifting pressre of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105463710B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696207A (en) * | 2016-05-06 | 2016-06-22 | 浙江众邦机电科技有限公司 | Lifting control method for presser foot of sewing machine |
| CN106948096A (en) * | 2017-05-10 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of sewing machine thread-trimming lifter-presser foot device and sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428473A (en) * | 2001-12-28 | 2003-07-09 | 飞马缝纫机制造株式会社 | Lift device for sewing machine |
| US7958833B2 (en) * | 2007-11-01 | 2011-06-14 | Brother Kogyo Kabushiki Kaisha | Presser foot device for sewing machine and sewing machine provided therewith |
| CN203683876U (en) * | 2014-01-04 | 2014-07-02 | 中捷缝纫机股份有限公司 | Driving structure of built-in presser foot lifting mechanism in sewing machine |
| CN203938858U (en) * | 2014-06-24 | 2014-11-12 | 杰克缝纫机股份有限公司 | The built-in automatic needle-foot-lifting of Sewing machines mechanism |
| CN204343014U (en) * | 2014-10-31 | 2015-05-20 | 浙江美机缝纫机有限公司 | A kind of computer flat sewing machine automatic needle-foot-lifting structure |
| CN204530139U (en) * | 2015-01-23 | 2015-08-05 | 浙江曼克斯缝纫机股份有限公司 | Sewing-machine foot hoisting mechanism |
-
2015
- 2015-12-25 CN CN201510998474.4A patent/CN105463710B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428473A (en) * | 2001-12-28 | 2003-07-09 | 飞马缝纫机制造株式会社 | Lift device for sewing machine |
| US7958833B2 (en) * | 2007-11-01 | 2011-06-14 | Brother Kogyo Kabushiki Kaisha | Presser foot device for sewing machine and sewing machine provided therewith |
| CN203683876U (en) * | 2014-01-04 | 2014-07-02 | 中捷缝纫机股份有限公司 | Driving structure of built-in presser foot lifting mechanism in sewing machine |
| CN203938858U (en) * | 2014-06-24 | 2014-11-12 | 杰克缝纫机股份有限公司 | The built-in automatic needle-foot-lifting of Sewing machines mechanism |
| CN204343014U (en) * | 2014-10-31 | 2015-05-20 | 浙江美机缝纫机有限公司 | A kind of computer flat sewing machine automatic needle-foot-lifting structure |
| CN204530139U (en) * | 2015-01-23 | 2015-08-05 | 浙江曼克斯缝纫机股份有限公司 | Sewing-machine foot hoisting mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696207A (en) * | 2016-05-06 | 2016-06-22 | 浙江众邦机电科技有限公司 | Lifting control method for presser foot of sewing machine |
| CN105696207B (en) * | 2016-05-06 | 2018-10-19 | 浙江众邦机电科技有限公司 | The presser foot lifter control method of sewing machine |
| CN106948096A (en) * | 2017-05-10 | 2017-07-14 | 杰克缝纫机股份有限公司 | A kind of sewing machine thread-trimming lifter-presser foot device and sewing machine |
| CN106948096B (en) * | 2017-05-10 | 2020-06-23 | 杰克缝纫机股份有限公司 | Presser foot device and sewing machine are lifted to sewing machine trimming |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105463710B (en) | 2018-11-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 318000 No. 1008, east section of Donghai Avenue, Sanjia street, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Zhejiang yikeda Intelligent Technology Co.,Ltd. Address before: 318000 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1008, East Section of Donghai Avenue, Sanjia Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee after: Zhejiang Jack Complete Zhilian Technology Co.,Ltd. Address before: No. 1008, East Section of Donghai Avenue, Sanjia Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee before: Zhejiang yikeda Intelligent Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |