CN201317859Y - Presser bar lifting mechanism for electric sewing machine - Google Patents
Presser bar lifting mechanism for electric sewing machine Download PDFInfo
- Publication number
- CN201317859Y CN201317859Y CNU2008201701460U CN200820170146U CN201317859Y CN 201317859 Y CN201317859 Y CN 201317859Y CN U2008201701460 U CNU2008201701460 U CN U2008201701460U CN 200820170146 U CN200820170146 U CN 200820170146U CN 201317859 Y CN201317859 Y CN 201317859Y
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- CN
- China
- Prior art keywords
- connecting rod
- presser bar
- bar lifting
- output shaft
- presser foot
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- Expired - Fee Related
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Abstract
The utility model relates to a presser bar lifting mechanism for an electric sewing machine, which comprises an electromagnetic driving device and a connecting rod mechanism connected with the electromagnetic driving device and fixed on a fixing block fixed on a presser bar lifting shaft. The output shaft of the electromagnetic driving device has rectilinear motion, and the presser bar lifting mechanism is characterized in that the electromagnetic driving device is arranged in a shell of the headstock of the sewing machine; and the connecting rod mechanism is a connecting rod, with one end fixed on the output shaft and the other end fixed on the fixing block. Compared with the prior art, the presser bar lifting mechanism has the advantages that: the connecting rod mechanism of the presser bar lifting mechanism is only a connecting rod, so the presser bar lifting mechanism is simpler in structure; the electromagnetic driving device is arranged in the shell of the headstock of the sewing machine, which does not affect the appearance of the sewing machine; and the connecting mode of the straight connecting rod with the output shaft and the fixing block enables the presser bar lifting mechanism of the electric sewing machine to be more precise, stable and reliable in motion transfer during the operation.
Description
Technical field
The utility model relates to the accessories of industrial electric sewer, specifically refers to a kind of presser foot lifter mechanism of electric sewer.
Background technology
The patent No. is that 200620040051.8 utility model patent discloses a kind of Sewing machines presser foot lifter electromagnetic driver, comprises electromagnetic actuator device and linkage.Wherein, described electromagnetic actuator device can be arranged on the side end cap of Sewing machines headstock or top end.
When electromagnetic actuator device is arranged on the side end cap of Sewing machines headstock, linkage comprises the first connecting rod that is connected with the output shaft of electromagnetic actuator device, one end and first connecting rod end are articulated, other end pivot is consolidated the second connecting rod on the fixed block, and described fixed block is fixed on the presser foot lifter axle; The output shaft of above-mentioned electromagnetic actuator device is a rotating shaft, by the rotation of the certain angle that this rotating shaft produced, makes the first connecting rod liter of tilting upward, thereby the pulling second connecting rod moves up, and makes fixed block be pulled upwardly the presser foot lifter axle indirectly, finishes the presser foot lifter action.
When electromagnetic actuator device was arranged on the top of headstock, described linkage was a machine leader; The output shaft of this electromagnetic actuator device is done linear longitudinal movement, the fixedly connected output shaft of an end of machine leader, the fixedly connected fixed block that is fixed on the presser foot lifter axle of the other end of machine leader; The rectilinear motion of output shaft directly upwards spurs machine leader, thereby lifts the presser foot lifter axle with the machine leader indirect securement.Also have a kind of output shaft to do horizontal straight-line electromagnetic actuator device, the linkage that matches of electromagnetic actuator device comprises guide bar, sticks up bar and machine leader therewith; One end of described guide bar is articulated on the output shaft, and the other end of guide bar articulates with an end that sticks up bar; The described bar middle part of sticking up is coupling on the holder on headstock top, and the other end that sticks up bar is provided with elongated slot, and this elongated slot is slidingly installed on the bearing pin on machine leader top; The lower end of described machine leader is fixed on the fixed block; The rectilinear motion of the output shaft by electromagnetic actuator device drives the drop-down end that sticks up bar of guide bar, and the other end that sticks up bar upwarps, and upwards mentions machine leader, lifts presser feet indirectly.
This Sewing machines presser foot lifter electromagnetic driver is the lifting presser feet accurately, but its linkage more complicated, and parts are more, process, install and keep in repair cumbersome; This electromagnetic actuator device especially is fit on the canopy seam machine of the manual presser foot lifter of repacking than the Sewing machines that is more suitable for reequiping the sort of manual presser foot lifter.Sewing machines to electronic presser foot lifter then is not suitable for.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, and the presser foot lifter mechanism that a kind of structure is simple more, be suitable for electric sewer is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the presser foot lifter mechanism of this electric sewer, comprise electromagnetic actuator device, with be connected described electromagnetic actuator device and be fixed on the linkage of the fixed block on the presser foot lifter axle, the output shaft of described electromagnetic actuator device is done rectilinear motion, it is characterized in that: described linkage is a connecting rod; One end of described connecting rod is fixed on the described output shaft, and the other end of connecting rod is fixed on the described fixed block.
The effect of connecting rod mainly is to transmit the pulling force that electromagnetic actuator device is exported, and the distance between its shape and structure and output shaft and the presser foot lifter axle and the installation site of electromagnetic actuator device are relevant.Preferably, in order further to simplify linkage, described connecting rod can be designed as straight shape.
As the further improvement of such scheme, in described output shaft, the other end of connecting rod is fixed on the lower surface of described fixed block with an end clamping of described connecting rod, the transmission that can make action so more accurately, stable, reliable.
Compared with prior art, because linkage of the present utility model is a connecting rod only, simpler on the structure; And the connected mode of straight shape connecting rod and output shaft and fixed block makes the presser foot lifter mechanism of this electric sewer when operation, the transmission of action more accurately, stable, reliably.
Description of drawings
Fig. 1 is the schematic perspective view of the assembly structure of the utility model embodiment;
Fig. 2 is the schematic perspective view of the utility model embodiment and Sewing machines headstock assembly structure.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
During its sewing of electric sewer before is electronic, presser foot lifter then is to lean on the strength of operator's knee to press the control stick that is arranged on the head below, drive presser foot lifter mechanism by control stick and lift presser feet, this presser foot lifter mechanism comprises twenties parts such as knee control presser foot lifter control stick, cushion block, knee presser foot lifter axle, the two-way crank of presser foot lifter, this is a known technology, does not repeat them here.Not only parts are many in the presser foot lifter mechanism of this electric sewer, manufacturing, installation, maintenance trouble, and also manually-operated labour intensity is big, and mechanization degree is low, has influence on production efficiency.
As depicted in figs. 1 and 2, the presser foot lifter mechanism of the electric sewer in the present embodiment comprises electromagnetic actuator device 1, straight shape connecting rod 3 and fixed block 4.Wherein, electromagnetic actuator device 1 is directly controlled by the control module (not shown) of this electric sewer, it vertically is installed in by fixed mount 7 on the back side of housing of headstock 6, and its output shaft 2 is done linear longitudinal movement, upwards spurs following straight shape connecting rod 3 during work.One end clamping of straight shape connecting rod 3 is fixed in output shaft 2 and by bearing pin 8, and its other end is fixed on the below of fixed block 4.Fixed block 4 is fixed on the presser foot lifter axle 5.
As shown in Figure 2, the presser foot lifter mechanism in the present embodiment is installed on the housing of headstock 6 of electric sewer, according to the needs of sewing can pre-designed this electric sewer operation program.After closing the power supply of logical this electric sewer, under operator's control, electric sewer is started working, when needs lift presser feet, control module is sent instruction, the power supply of electromagnetic actuator device 1 closes logical, and output shaft 2 upwards spurs connecting rod 3, lifts presser feet thereby make the presser foot lifter that is fixed together with fixed block 4 axially go up motion.At this moment, operating personnel finish its action that need finish, the electromagnetic actuator device outage, and output shaft falls after rise, thereby puts down presser feet.The whole operation process easily, easily.
Claims (3)
1, a kind of presser foot lifter mechanism of electric sewer, comprise electromagnetic actuator device, with be connected described electromagnetic actuator device and be fixed on the linkage of the fixed block on the presser foot lifter axle, the output shaft of described electromagnetic actuator device is done rectilinear motion, it is characterized in that: described linkage is a connecting rod; One end of described connecting rod is fixed on the described output shaft, and the other end of connecting rod is fixed on the described fixed block.
2, the presser foot lifter mechanism of electric sewer according to claim 1 is characterized in that: described connecting rod is straight shape.
3, the presser foot lifter mechanism of electric sewer according to claim 2 is characterized in that: an end clamping of described connecting rod is in described output shaft, and the other end of connecting rod is fixed on the lower surface of described fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201701460U CN201317859Y (en) | 2008-12-10 | 2008-12-10 | Presser bar lifting mechanism for electric sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201701460U CN201317859Y (en) | 2008-12-10 | 2008-12-10 | Presser bar lifting mechanism for electric sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201317859Y true CN201317859Y (en) | 2009-09-30 |
Family
ID=41196627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201701460U Expired - Fee Related CN201317859Y (en) | 2008-12-10 | 2008-12-10 | Presser bar lifting mechanism for electric sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201317859Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534966A (en) * | 2012-02-06 | 2012-07-04 | 江苏华峰自然纤维制品有限公司 | Tilting rod propping device in heald frame lifting mechanism of multi-pattern-type natural fiber jacquard loom |
| CN103668800A (en) * | 2012-09-06 | 2014-03-26 | 台州力灿缝纫设备科技有限公司 | Sewing machine |
| CN104131420A (en) * | 2014-08-08 | 2014-11-05 | 上海富山精密机械科技有限公司 | Automatic variable presser foot mechanism of sewing machine |
-
2008
- 2008-12-10 CN CNU2008201701460U patent/CN201317859Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534966A (en) * | 2012-02-06 | 2012-07-04 | 江苏华峰自然纤维制品有限公司 | Tilting rod propping device in heald frame lifting mechanism of multi-pattern-type natural fiber jacquard loom |
| CN102534966B (en) * | 2012-02-06 | 2013-08-14 | 江苏华峰自然纤维制品有限公司 | Tilting rod propping device in heald frame lifting mechanism of multi-pattern-type natural fiber jacquard loom |
| CN103668800A (en) * | 2012-09-06 | 2014-03-26 | 台州力灿缝纫设备科技有限公司 | Sewing machine |
| CN104131420A (en) * | 2014-08-08 | 2014-11-05 | 上海富山精密机械科技有限公司 | Automatic variable presser foot mechanism of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |