CN203333976U - Pressure foot and cloth pulling wheel combined mechanism with inner pressing rod and outer pressing rod - Google Patents
Pressure foot and cloth pulling wheel combined mechanism with inner pressing rod and outer pressing rod Download PDFInfo
- Publication number
- CN203333976U CN203333976U CN2013203691642U CN201320369164U CN203333976U CN 203333976 U CN203333976 U CN 203333976U CN 2013203691642 U CN2013203691642 U CN 2013203691642U CN 201320369164 U CN201320369164 U CN 201320369164U CN 203333976 U CN203333976 U CN 203333976U
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- pressing rod
- compressor arm
- cloth
- compression bar
- external compression
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Abstract
The utility model relates to the technical field of sewing machine accessories, in particular to a pressure foot and cloth pulling wheel combined mechanism with an inner pressing rod and an outer pressing rod. The pressure foot and cloth pulling wheel combined mechanism aims at solving the problems that in the prior art, the occupied space is large, the structure is complex, the gap between a cloth pulling wheel and a pressure foot is large, and the sizes of sewing stitches are not coincident. According to the technical scheme, the pressure foot and cloth pulling wheel combined mechanism comprises a cloth pulling wheel assembly and a pressure foot mechanism, the pressure foot mechanism comprises an outer pressure adjusting screw assembly, an inner pressure rod spring, the inner pressing rod and a pressure foot assembly, the outer pressure adjusting screw assembly is of an inner thread pressure adjusting structure, the outer side of the inner pressing rod spring and the outer side of the inner pressing rod are sleeved with the outer pressing rod in a sliding mode, outer pressing rod springs are arranged at the upper end of the outer pressing rod and the lower end of the outer pressure adjusting screw assembly in a clamping mode, an upper lifting and guiding frame is fixedly connected to the outer side of the upper portion of the outer pressing rod, a connecting ring is arranged at the position, located below the upper lifting and guiding frame, of the outer side of the outer pressing rod, an upwards-extending lug of the connecting ring is fixedly connected with the movement end of a lifting-pressing connecting rod, and the cloth pulling wheel assembly is fixedly connected to the lower portion of the outer pressing rod.
Description
technical field:
The utility model relates to Sewing machines accessory technical field, is specifically related to a kind of presser feet and cloth-dragging wheel combined mechanism with inside and outside compressor arm.
background technology:
Complete at present a sewing process of the dilatory cloth of straight line backward on Sewing machines, need the work compound of cloth dragging mechanism and presser foot device.Normal cloth dragging mechanism and the presser foot device used separates at present, and cloth dragging mechanism has it to regulate separately the controlling organization of pressure, and cloth dragging mechanism mainly is comprised of cloth-dragging wheel assembly and driven unit two parts; Presser foot device generally includes pressure regulating screw assembly, compressor arm spring, compressor arm and the presser foot component arranged from top to bottom.The problem that prior art exists is: 1, cloth dragging mechanism and presser foot device are two to overlap independently mechanism, take up room greatly, and complex structure; 2, due to the restriction that is subject to structure, the distance between cloth-dragging wheel and presser feet can not be dwindled, and when cloth leaves feed dog, does not enter cloth-dragging wheel, not of uniform size the causing of needle gage when the stitching of this section there will be needle gage and normal sewing; 3, the lifting, put down of cloth-dragging wheel, by manually-operated, production efficiency is low.
summary of the invention:
The utility model will provide a kind of presser feet and cloth-dragging wheel combined mechanism with inside and outside compressor arm, large with taking up room of overcoming that prior art exists, complex structure; Cloth-dragging wheel and presser feet spacing are large, the sewing thread trace problem caused not of uniform size.
The problem existed for overcoming prior art, the technical solution of the utility model is: a kind of presser feet and cloth-dragging wheel combined mechanism with inside and outside compressor arm, comprise cloth-dragging wheel assembly and presser foot device, described presser foot device comprises outer pressure regulation screw assembly, interior compressor arm spring, interior compressor arm and the presser foot component arranged from top to bottom, its special character is: described outer pressure regulation screw assembly is the internal thread pressure adjusting structure, the upper end of internal pressure-regulating screw rod is threaded with it, and the lower end of internal pressure-regulating screw rod is installed with in the upper end of interior compressor arm spring, the outside of described interior compressor arm spring and interior compressor arm slidably is arranged with the external compression bar, be folded with outside external compression bar spring between the lower end of the upper end of compressor arm and outer pressure regulation screw assembly, the upper outside of external compression bar is fixed with lifts saddle, upper lift saddle below, the arranged outside of external compression bar has connecting ring, prolonging ear on connecting ring is connected with the motion end of lifting the pressure connecting rod, lift the motion end of the pressing connecting rod setting that matches with the boss of above lifting saddle, on connecting ring and external compression bar, correspondence is provided with the longitudinally guiding groove, be provided with horizontal straight hole on interior compressor arm, bearing pin by the longitudinally guiding groove and laterally straight hole by interior compressor arm, external compression bar and connecting ring are fixed with one, described cloth-dragging wheel assembly is fixed on the bottom of external compression bar.
Compared with prior art, the utility model has the advantages that:
1, compact conformation: the pressure regulating device of cloth-dragging wheel and presser feet is united two into one, effectively reduced taking of space;
2, simple in structure: realized the carrying out of two groups of actions by inside and outside two sleeve spring compressing structures, simple in structure, maintenance and fabrication is convenient;
3, effectively shorten the distance of cloth-dragging wheel and presser feet, solved the sewing thread trace problem caused not of uniform size of initiating terminal.
4, the lifting, put down of cloth-dragging wheel assembly, press connecting rod move by lifting, the production efficiency raising.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A cutaway view of figure.
Description of reference numerals is as follows:
The outer pressure regulation screw assembly of 1-, 2-internal pressure-regulating screw rod, 3-external compression bar spring, 4-lift to press on connecting rod, 5-and lift compressor arm spring in saddle, 6-connecting ring, 7-bearing pin, 8-external compression bar, 9-cloth-dragging wheel assembly, 10-, the interior compressor arm of 11-, 12-presser foot component.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Referring to Fig. 1 and Fig. 2, a kind of presser feet and cloth-dragging wheel combined mechanism with inside and outside compressor arm, comprise cloth-dragging wheel assembly 9 and presser foot device, described presser foot device comprises outer pressure regulation screw assembly 1, interior compressor arm spring 10, interior compressor arm 11 and the presser foot component 12 arranged from top to bottom, described outer pressure regulation screw assembly 1 is the internal thread pressure adjusting structure, the upper end of internal pressure-regulating screw rod 2 is threaded with it, and the lower end of internal pressure-regulating screw rod 2 is installed with in the upper end of interior compressor arm spring 10, the outside of described interior compressor arm spring 10 and interior compressor arm 11 slidably is arranged with external compression bar 8, be folded with outside external compression bar spring 3 between the lower end of the upper end of compressor arm 8 and outer pressure regulation screw assembly 1, the upper outside of external compression bar 8 is fixed with lifts saddle 5, upper lift saddle 5 below, the arranged outside of external compression bar 8 has connecting ring 6, prolonging ear on connecting ring 6 is connected with the motion end of lifting pressure connecting rod 4, lift the motion end of pressing connecting rod 4 setting that matches with the boss of above lifting saddle 5, on connecting ring 6 and external compression bar 8, correspondence is provided with the longitudinally guiding groove, be provided with horizontal straight hole on interior compressor arm 11, bearing pin 7 by the longitudinally guiding groove and laterally straight hole by interior compressor arm 11, external compression bar 8 and connecting ring 6 are fixed with one, described cloth-dragging wheel assembly 9 is fixed on the bottom of external compression bar 8.
the duty explanation:
1. original state: lift the conventional components of pressing in connecting rod 4(Sewing machines, with knee control raising rod, be connected, realize that presser feet lifts action) swing, on its motion end, push up, promotion be mated on lift the boss of saddle 5, on lift saddle 5 and drive the external compression bar 8 be connected with it and rise, external compression bar 8 drives connecting ring 6 on it upwards simultaneously, this lifting force passes to interior compressor arm 11 by bearing pin 7 and together moves.Along with external compression bar 8 and interior compressor arm 11 rise, presser foot component 12 and cloth-dragging wheel assembly 9 together lift;
2. lift while pressing connecting rod 4 to swing round about, presser foot component 12 and cloth-dragging wheel assembly 9 are depressed, and driven unit drives cloth-dragging wheel and rotates;
3. work starts, and presser feet, feed dog feeding and cloth-dragging wheel mop synchronously start;
4. work as cloth by presser feet, enter the cloth-dragging wheel below, cloth-dragging wheel produces pulling force forward, realizes the mop function;
7. made rear cloth-dragging wheel, presser feet lifts;
8. lift and press connecting rod 4 to swing the repetition said process.
The pressure of cloth-dragging wheel is regulated by outer pressure regulation screw, and the pressure of presser feet is regulated by internal pressure-regulating screw rod 2.
Claims (1)
1. presser feet and the cloth-dragging wheel combined mechanism with inside and outside compressor arm, comprise cloth-dragging wheel assembly (9) and presser foot device, described presser foot device comprises outer pressure regulation screw assembly (1), interior compressor arm spring (10), interior compressor arm (11) and the presser foot component (12) arranged from top to bottom, it is characterized in that: described outer pressure regulation screw assembly (1) is the internal thread pressure adjusting structure, the upper end of internal pressure-regulating screw rod (2) is threaded with it, and the lower end of internal pressure-regulating screw rod (2) is installed with in the upper end of interior compressor arm spring (10), the outside of described interior compressor arm spring (10) and interior compressor arm (11) slidably is arranged with external compression bar (8), be folded with external compression bar spring (3) between the lower end of the upper end of compressor arm (8) and outer pressure regulation screw assembly (1) outside, the upper outside of external compression bar (8) is fixed with lifts saddle (5), in upper below of lifting saddle (5), the arranged outside of external compression bar (8) has connecting ring (6), prolonging ear on connecting ring (6) is connected with the motion end of lifting pressure connecting rod (4), lift the motion end of pressing connecting rod (4) setting that matches with the boss of above lifting saddle (5), the upper correspondence of connecting ring (6) and external compression bar (8) is provided with the longitudinally guiding groove, interior compressor arm is provided with horizontal straight hole on (11), bearing pin (7) by the longitudinally guiding groove and laterally straight hole by interior compressor arm (11), external compression bar (8) and connecting ring (6) are fixed with one, described cloth-dragging wheel assembly (9) is fixed on the bottom of external compression bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203691642U CN203333976U (en) | 2013-06-26 | 2013-06-26 | Pressure foot and cloth pulling wheel combined mechanism with inner pressing rod and outer pressing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203691642U CN203333976U (en) | 2013-06-26 | 2013-06-26 | Pressure foot and cloth pulling wheel combined mechanism with inner pressing rod and outer pressing rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203333976U true CN203333976U (en) | 2013-12-11 |
Family
ID=49702660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203691642U Expired - Lifetime CN203333976U (en) | 2013-06-26 | 2013-06-26 | Pressure foot and cloth pulling wheel combined mechanism with inner pressing rod and outer pressing rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203333976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442197A (en) * | 2014-09-29 | 2016-03-30 | 启翔股份有限公司 | Material-drawing mechanism of electric template sewing machine |
| CN108330614A (en) * | 2017-12-14 | 2018-07-27 | 中国航空工业集团公司上海航空测控技术研究所 | Integral computer tugboat |
| CN112226918A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Electronic middle presser foot mechanism of sewing machine |
-
2013
- 2013-06-26 CN CN2013203691642U patent/CN203333976U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442197A (en) * | 2014-09-29 | 2016-03-30 | 启翔股份有限公司 | Material-drawing mechanism of electric template sewing machine |
| CN108330614A (en) * | 2017-12-14 | 2018-07-27 | 中国航空工业集团公司上海航空测控技术研究所 | Integral computer tugboat |
| CN112226918A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Electronic middle 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |