CN203700724U - Sewing machine casing head presser feet apparatus - Google Patents
Sewing machine casing head presser feet apparatus Download PDFInfo
- Publication number
- CN203700724U CN203700724U CN201320892533.6U CN201320892533U CN203700724U CN 203700724 U CN203700724 U CN 203700724U CN 201320892533 U CN201320892533 U CN 201320892533U CN 203700724 U CN203700724 U CN 203700724U
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- CN
- China
- Prior art keywords
- presser feet
- casing
- wrench
- sewing machine
- presser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the sewing machine technology field, particularly relates to a sewing machine casing head presser feet apparatus, which comprises a casing, a presser feet shaft sleeve set on the casing, a presser feet shaft, a presser feet wrench shaft sleeve, a presser feet wrench shaft, a raising-pressing adjusting screw and a pressure regulating spring. A transmission mechanism is set at the inner end of the presser feet wrench shaft inside the casing cavity; a guiding mechanism is set on the presser feet shaft; the transmission mechanism and the guiding mechanism are connected; a raising-pressing wrench is fixedly connected to the outer end of the presser feet wrench shaft; a driver is set outside the casing; the active rod of the driver is connected with the raising-pressing wrench; the active rod moves to drive the raising-pressing wrench perform arc swing; the raising-pressing wrench drives the transmission mechanism move so as to drive the presser feet shaft move up and down along the guiding mechanism. According to the utility model, on one hand, force transmission loss is reduced; on the other hand, the raising-pressing feet composition is optimized; through lever principle, the raising-pressing feet force is reduced, the electromagnet cost is reduced, and the component quantity and cost are reduced at the same time.
Description
Technical field:
The utility model belongs to sewing machine technique field, refers in particular to a kind of sewing machine case head presser foot lifting device.
Background technology:
Existing presser foot lifter structure is to be connected with guiding mechanism by transmission mechanism to realize to lift pressure, because power transmission is through the conversion of multiple drive mechanisms, and loss in transmission, required presser foot lifter power is larger, conventionally in 10 kgfs left and right.In the time realizing automatic needle-foot-lifting function, for example, with regard to demand motive power supply (electromagnet), because required power is larger, electromagnet is also larger, and cost is higher, rotates handwheel simultaneously and there will be and touch hand situation.
Summary of the invention:
The purpose of this utility model is to provide the sewing machine case head presser foot lifting device that a kind of presser foot lifter power is less, reduced electromagnet cost.
The utility model is achieved in that
A kind of sewing machine case head presser foot lifting device, include casing, be arranged on the presser feet shaft sleeve on casing, presser feet axle, presser feet wrench shaft sleeve, presser feet wrench shaft, lift and press adjusting screw(rod) and pressure spring, be arranged at presser feet wrench shaft on the inner of chassis cavity and be provided with transmission mechanism, on presser feet axle, be provided with guiding mechanism, transmission mechanism is connected with guiding mechanism, be fixed with and lift pressure spanner in the outer end of presser feet wrench shaft, be outside equipped with driver at casing, the motion bar of driver with lift press spanner be connected, motion bar action drives is lifted and is pressed spanner to make arc swing, lift and press spanner drive transmission mechanism action and then drive presser feet axle to make knee-action with guiding mechanism, described driver is by controller control.
Above-mentioned transmission mechanism comprises the crank that is installed in presser feet wrench shaft the inner, the other end of crank is connected with connecting rod, described guiding mechanism includes the presser feet dog being installed on presser feet axle, on presser feet dog, be fixed with contiguous block, on the casing inner wall of presser feet dog one side, be installed with guide block, one end of presser feet dog is stretched in the gathering sill of guide block, and presser feet dog can move up and down along gathering sill, and contiguous block is connected with the other end of connecting rod.
One end of above-mentioned connecting rod is provided with mounting hole, and screw is connected it through mounting hole with the other end of crank.
Above-mentioned driver is electromagnet or cylinder.
Above-mentioned driver is fixed on casing by installing plate.
The outer end of above-mentioned presser feet wrench shaft is fixed with to lift presses spanner to be: be provided with strip groove in the outer end of lifting pressure wrench shaft, lift and press one end of spanner be arranged in strip groove and be connected with it by screw; Or lift and press one end of spanner to be set with and to be fixed on the outer end of lifting pressure wrench shaft.
The advantage that the utility model is given prominence to is compared to existing technology:
Presser foot lifter structure is placed on casing head by the utility model, reduced on the one hand the transmission loss of power, optimizes on the other hand presser foot lifter structure, by lever principle, reduced presser foot lifter power, only needs the power of 5 kilograms.The power of electromagnet needing in the time of automatic needle-foot-lifting is just less, has reduced electromagnet cost, has also reduced amount of parts simultaneously, has reduced the cost of presser foot lifter constitutional detail.Rotation and the profile attractive in appearance of handwheel in realizing this function of presser foot lifter, are also facilitated.
Accompanying drawing explanation:
Fig. 1 is one of schematic diagram of the present utility model;
Fig. 2 is two of schematic diagram of the present utility model;
Fig. 3 is the schematic diagram of guide block of the present utility model;
Fig. 4 is the schematic diagram of contiguous block of the present utility model.
The specific embodiment:
With specific embodiment, the utility model is further described below, referring to Fig. 1-4:
A kind of sewing machine case head presser foot lifting device, include casing 1, be arranged on the presser feet shaft sleeve 2 on casing 1, presser feet axle 3, presser feet wrench shaft sleeve 4, presser feet wrench shaft 5, lift and press adjusting screw(rod) 6 and pressure spring 7, pressure spring 7 can make presser feet 8 state in compression cloth always on presser feet axle 3, be arranged at presser feet wrench shaft 5 on the inner of casing 1 inner chamber and be provided with transmission mechanism, on presser feet axle 3, be provided with guiding mechanism, transmission mechanism is connected with guiding mechanism, be fixed with in the outer end of presser feet wrench shaft 5 to lift and press spanner 9, be outside equipped with driver at casing 1, the motion bar of driver with lift press spanner 9 be connected, motion bar action drives is lifted and is pressed spanner 9 to make arc swing, lift and press spanner 9 drive transmission mechanism action and then drive presser feet axle 3 to make knee-action with guiding mechanism, described driver is by controller control.
Above-mentioned transmission mechanism comprises the crank 10 that is installed in presser feet wrench shaft 5 the inners, the other end of crank 10 is connected with connecting rod 11, described guiding mechanism includes the presser feet dog 12 being installed on presser feet axle 3, on presser feet dog 12, be fixed with contiguous block 13, on casing 1 inwall of presser feet dog 13 1 sides, be installed with guide block 14, one end of presser feet dog 12 is stretched in the gathering sill 15 of guide block 14, presser feet dog 13 can move up and down along gathering sill 15, and contiguous block 13 is connected by screw with the other end of connecting rod 11.
One end of above-mentioned connecting rod 11 is provided with mounting hole 16, and screw is connected it through mounting hole 16 with the other end of crank 10.
Above-mentioned driver is electromagnet 17 or cylinder.
Above-mentioned driver is fixed on casing 1 by installing plate 18.
The outer end of above-mentioned presser feet wrench shaft 5 is fixed with to lift presses spanner 9 to be: be provided with strip groove in the outer end of lifting pressure wrench shaft 5, lift and press one end of spanner 9 be arranged in strip groove and be connected with it by screw; Or lift and press one end of spanner 9 to be set with and to be fixed on the outer end of lifting pressure wrench shaft 5.
Operation principle of the present utility model is:
After electromagnet 17 energisings, moving the lifting of the outside pushing belt of moving iron 19 of electromagnet 17 presses spanner 9 to make arc swing, lift and press spanner 9 to drive crank 10 to swing up and down by presser feet wrench shaft 5, its movement locus is arc track, crank 10 drives contiguous block 13 and presser feet dog 12 to move up and down along the gathering sill 15 on guide block 14 by connecting rod 11, presser feet dog 12 drives presser feet axle 3 to move up and down, and completes this process of presser foot lifter.
Above-described embodiment is only one of preferred embodiment of the present utility model; not limit practical range of the present utility model with this; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, within all should being covered by protection domain of the present utility model.
Claims (6)
1. a sewing machine case head presser foot lifting device, include casing, be arranged on the presser feet shaft sleeve on casing, presser feet axle, presser feet wrench shaft sleeve, presser feet wrench shaft, lift and press adjusting screw(rod) and pressure spring, it is characterized in that: be arranged at presser feet wrench shaft on the inner of chassis cavity and be provided with transmission mechanism, on presser feet axle, be provided with guiding mechanism, transmission mechanism is connected with guiding mechanism, be fixed with and lift pressure spanner in the outer end of presser feet wrench shaft, be outside equipped with driver at casing, the motion bar of driver with lift press spanner be connected, motion bar action drives is lifted and is pressed spanner to make arc swing, lift and press spanner drive transmission mechanism action and then drive presser feet axle to make knee-action with guiding mechanism, described driver is by controller control.
2. a kind of sewing machine case head presser foot lifting device according to claim 1, it is characterized in that: described transmission mechanism comprises the crank that is installed in presser feet wrench shaft the inner, the other end of crank is connected with connecting rod, described guiding mechanism includes the presser feet dog being installed on presser feet axle, on presser feet dog, be fixed with contiguous block, on the casing inner wall of presser feet dog one side, be installed with guide block, one end of presser feet dog is stretched in the gathering sill of guide block, presser feet dog can move up and down along gathering sill, and contiguous block is connected with the other end of connecting rod.
3. a kind of sewing machine case head presser foot lifting device according to claim 2, is characterized in that: one end of described connecting rod is provided with mounting hole, and screw is connected it through mounting hole with the other end of crank.
4. a kind of sewing machine case head presser foot lifting device according to claim 1, is characterized in that: described driver is electromagnet or cylinder.
5. a kind of sewing machine case head presser foot lifting device according to claim 4, is characterized in that: described driver is fixed on casing by installing plate.
6. a kind of sewing machine case head presser foot lifting device according to claim 1, it is characterized in that: the outer end of described presser feet wrench shaft is fixed with to lift presses spanner to be: be provided with strip groove in the outer end of lifting pressure wrench shaft, lift and press one end of spanner be arranged in strip groove and be connected with it by screw; Or lift and press one end of spanner to be set with and to be fixed on the outer end of lifting pressure wrench shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892533.6U CN203700724U (en) | 2013-12-30 | 2013-12-30 | Sewing machine casing head presser feet apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320892533.6U CN203700724U (en) | 2013-12-30 | 2013-12-30 | Sewing machine casing head presser feet apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700724U true CN203700724U (en) | 2014-07-09 |
Family
ID=51051184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320892533.6U Expired - Fee Related CN203700724U (en) | 2013-12-30 | 2013-12-30 | Sewing machine casing head presser feet apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203700724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710893A (en) * | 2013-12-30 | 2014-04-09 | 新杰克缝纫机股份有限公司 | Presser foot lifting device for sewing machine case head |
| CN106567199A (en) * | 2016-10-21 | 2017-04-19 | 钟立朋 | Stitching device for sewing machine |
| CN108950895A (en) * | 2017-05-19 | 2018-12-07 | 浙江中捷缝纫科技有限公司 | A kind of sewing-machine foot quick-changing mechanism and sewing machine |
-
2013
- 2013-12-30 CN CN201320892533.6U patent/CN203700724U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710893A (en) * | 2013-12-30 | 2014-04-09 | 新杰克缝纫机股份有限公司 | Presser foot lifting device for sewing machine case head |
| CN106567199A (en) * | 2016-10-21 | 2017-04-19 | 钟立朋 | Stitching device for sewing machine |
| CN108950895A (en) * | 2017-05-19 | 2018-12-07 | 浙江中捷缝纫科技有限公司 | A kind of sewing-machine foot quick-changing mechanism and sewing machine |
| CN108950895B (en) * | 2017-05-19 | 2023-09-05 | 浙江中捷缝纫科技有限公司 | Quick change mechanism for presser foot of sewing machine and sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JACK SEWING CO., LTD. Free format text: FORMER NAME: NEW JACK SEWING MACHINE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee after: JACK SEWING MACHINE CO., LTD. Address before: 318000 Taizhou Airport Road, Jiaojiang District, Zhejiang, No. 15 Patentee before: New Jack Sewing Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20201230 |