CN112941738B - Presser foot for sewing machine - Google Patents
Presser foot for sewing machine Download PDFInfo
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- CN112941738B CN112941738B CN202110124586.2A CN202110124586A CN112941738B CN 112941738 B CN112941738 B CN 112941738B CN 202110124586 A CN202110124586 A CN 202110124586A CN 112941738 B CN112941738 B CN 112941738B
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- sewing
- cloth
- pressing plate
- sewing machine
- inclined plane
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
Abstract
The invention relates to the technical field of sewing machines, and discloses a presser foot for a sewing machine, which is characterized by comprising an upper pressing assembly and a lower pressing assembly, wherein a sewing space is formed between the upper pressing assembly and the lower pressing assembly, cloth passes through the sewing space and is sewn through a sewing mechanism, a protruding part is arranged, the cloth moves towards one side of the protruding part through a moving mechanism after being sewn through the sewing mechanism, and the protruding part is positioned in the sewn cloth, so that the cloth is jacked up by the protruding part, the cloth is enabled to be bulged, the position relation of two sewing edges is enabled to be changed into the parallel and level position relation from the up-down opposite position relation, the position angle of the sewing edges relative to the position before sewing is changed, the subsequent pressing processing of the sewing edges is facilitated, and the cost of other equipment is reduced.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a presser foot for a sewing machine.
Background
The cloth comprises two sewing edges, a turnover mechanism, a sewing mechanism and a moving mechanism are arranged on the sewing machine, the turnover mechanism folds the cloth to enable the two sewing edges to be opposite, then the cloth is sewn through the sewing mechanism on the sewing machine, and the cloth is conveyed through the moving mechanism in the sewing process;
In the process of sewing the cloth, the cloth is the state of being squashed for two sewing edges after the sewing are relative towards, make two sewing edges be located the side under the squashed state, if need suppress the sewing edge, need two spare parts to suppress two sewing edges simultaneously, increased the cost of equipment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a presser foot for a sewing machine, which is used for changing the position angle of a sewing edge relative to sewing.
In order to achieve the purpose, the invention provides the following technical scheme: a presser foot for a sewing machine comprises an upper pressing component and a lower pressing component, wherein a sewing space is formed between the upper pressing component and the lower pressing component, cloth passes through the sewing space and is sewn through a sewing mechanism, the lower pressing component comprises a protruding part, the protruding part is positioned in the sewn cloth so as to enable the cloth to be internally bulged, the upper pressing component comprises an upper pressing plate, a fixing part is arranged on the upper pressing plate and is fixedly connected with the sewing machine, the lower pressing component comprises a lower pressing plate, the lower pressing plate is fixedly connected with the upper pressing plate, the sewing space comprises an upper moving area, the upper moving area is formed between the upper pressing plate and the lower pressing plate, the presser foot further comprises a lower moving area, the lower moving area is positioned below the lower pressing plate, a through hole is formed in the upper pressing plate, a sewing hole is formed in the lower pressing plate, and is communicated with the upper moving area and the lower moving area, the through-hole with the sewing hole is passed in order to supply sewing machine's sewing needle, the bellying includes dull and stereotyped spare, be provided with arch and lower arch on the dull and stereotyped spare, go up the arch with line between the arch is parallel with sewing machine's sewing needle down.
As a further improvement of the present invention, the plate member includes a connecting plate, the connecting plate is fixedly connected to the lower pressing plate, the connecting plate includes a first inclined surface and a flat surface, the first inclined surface is opposite to the flat surface, the first inclined surface is on the same side as the through hole, and a distance from the first inclined surface to the flat surface gradually increases from one end close to the lower pressing plate to the other end.
As a further improvement of the present invention, the sewing hole extends toward one side of the connecting plate and penetrates to the first inclined surface.
As a further improvement of the present invention, the upper protrusion and the lower protrusion are integrally formed and fixedly connected to the connecting plate, and a second inclined plane and a third inclined plane are formed opposite to each other, the second inclined plane is connected to the first inclined plane, the third inclined plane is connected to the plane, a distance from the second inclined plane to the third inclined plane gradually decreases from one end close to the connecting plate to the other end, the upper protrusion includes an upper inclined plane, the lower protrusion includes a lower inclined plane, and a distance from the upper inclined plane to the lower inclined plane gradually increases from one end close to the connecting plate to the other end.
As a further improvement of the invention, the connecting plate is provided with a separating part which is used for separating two sewing edges in the sewn cloth.
As a further improvement of the present invention, the separating portion includes a first fixing strip fixedly connected to the first inclined surface, a second fixing strip fixedly connected to the second inclined surface, the first fixing strip and the second fixing strip are integrally formed, and the widths of the first fixing strip and the second fixing strip at various positions are the same.
As a further improvement of the invention, the first inclined plane is provided with a guide part, and the guide part is used for guiding two sewing edges in the sewn cloth to two opposite sides of the first fixing strip.
The invention has the beneficial effects that: the cloth is pushed up by the bulge part, so that the cloth is bulged, the two sewing edges are changed into a parallel and level position relation from the up-down opposite position relation, the position angle of the sewing edges relative to the sewing edges before sewing is changed, the subsequent pressing processing of the sewing edges is facilitated, and the cost of other equipment is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
fig. 3 is a bottom view of the present invention.
Reference numerals: 1. an upper pressing assembly; 11. an upper pressure plate; 111. a through hole; 12. a fixed part; 2. pressing the assembly; 21. a lower pressing plate; 211. sewing holes; 3. a sewing space; 31. an upward movement area; 32. a downward shifting area; 4. a boss portion; 41. an upper bulge; 42. a lower bulge; 43. a connecting plate; 44. a first inclined plane; 45. a plane; 46. a second inclined plane; 47. a third inclined plane; 5. a separation section; 51. a first fixing strip; 52. a second fixing strip; 53. a guide portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 3, a presser foot for a sewing machine of the present embodiment includes an upper pressing assembly 1 and a lower pressing assembly 2, the upper pressing assembly 1 includes an upper pressing plate 11, a fixing portion 12 is disposed on the upper pressing plate 11, the fixing portion 12 is used for being fixedly connected to the sewing machine, the fixing portion 12 includes two fixing blocks, fixing holes are disposed on the fixing blocks, fixing is performed by standard components such as bolts, a sewing space 3 is formed between the upper pressing assembly 1 and the lower pressing assembly 2, a cloth is sewn through the sewing space 3 and a sewing mechanism, a cloth is sewn, a cloth is turned over by the turning over mechanism, two sewing edges of the cloth are opposite to each other, the two sewing edges face to the inner side of the cloth, the lower pressing assembly 2 includes a protruding portion 4, the protruding portion 4 is located in the sewn cloth, so that the cloth is internally bulged, the shape of the sewn cloth is changed, the position of the sewing edge on the original flat sewn cloth is a flat corner edge, after the cloth is bulged, the position of the sewing edge is changed to be positioned on the side face of the cloth, the two sewing edges are changed to be parallel and level from opposite positions, and the subsequent processing treatment on the position of the sewing edge is facilitated. The boss 4 comprises a flat plate member provided with an upper boss 41 and a lower boss 42, and a connecting line between the upper boss 41 and the lower boss 42 is parallel to a sewing needle of the sewing machine, so that the inside of the cloth after sewing is protruded both upward and downward, and the sewing edge is ensured to be positioned at the side of the cloth after swelling.
Referring to fig. 1 and 2, the pressing assembly 2 includes a pressing plate 21, the pressing plate 21 is fixedly connected to the pressing plate 11, the sewing space 3 includes an upward moving area 31, one sewing edge of the turned-over cloth passes through the upward moving area 31, and further includes a downward moving area 32, the other sewing edge passes through the downward moving area 32, after sewing, the two sewing edges move out through a through hole 111, the cloth is driven to move through a moving mechanism, the sewn cloth covers the protruding portion 4, so that the protruding portion 4 can bulge the cloth, the upward moving area 31 is formed between the pressing plate 11 and the pressing plate 21, the downward moving area 32 is located below the pressing plate 21, the pressing plate 11 is provided with a through hole 111, the pressing plate 21 is provided with a sewing hole 211, the sewing hole 211 communicates the upward moving area 31 and the downward moving area 32, and the through hole 111 and the sewing hole 211 are used for a sewing needle of the sewing machine to pass through.
Referring to fig. 1 and 2, the flat plate member includes a connecting plate 43, the connecting plate 43 is fixedly connected with the lower press plate 21, the connecting plate 43 includes a first inclined surface 44 and a plane 45, the first inclined surface 44 is opposite to the plane 45, and the first inclined surface 44 is on the same side as the through hole 111, the distance from the first inclined surface 44 to the plane 45 gradually increases from one end close to the lower press plate 21 to the other end, so that the sewn cloth is transversely stretched by the connecting plate 43 under the driving of the moving mechanism, and the angle of the cloth does not change at each position in the process of being swelled. The sewing hole 211 extends toward one side of the connection plate 43 and penetrates through the first inclined surface 44, so that the sewing edge of the sewn cloth can move along the length direction of the sewing hole 211, and the moving direction of the sewing edge is ensured.
Referring to fig. 1 and 2, the upper protrusion 41 and the lower protrusion 42 are integrally formed and fixedly connected with the connecting plate 43, and are formed with a second inclined surface 46 and a third inclined surface 47, which are opposite to each other, the second inclined surface 46 is connected with the first inclined surface 44, the third inclined surface 47 is connected with the plane 45, the distance from the second inclined surface 46 to the third inclined surface 47 gradually decreases from one end close to the connecting plate 43 to the other end, the upper protrusion 41 includes an upper inclined surface, the lower protrusion 42 includes a lower inclined surface, the distance from the upper inclined surface to the lower inclined surface gradually increases from one end close to the connecting plate 43 to the other end, so that the upper protrusion 41 and the lower protrusion 42 form symmetry, and the sewn cloth gradually changes from horizontal to vertical flat in the process of being flat, so that the sewing edge is located on the side of the sewn cloth.
Referring to fig. 2 and 3, the connecting plate 43 is provided with a separating portion 5, the separating portion 5 is used for separating two sewing edges in the sewn fabric, the sewing edges need to be pressed when the fabric is subsequently processed, and the separating portion 5 can be pressed on the corresponding side when the sewing edges are pressed after the sewing edges are separated. The separating part 5 comprises a first fixing strip 51, the first fixing strip 51 is fixedly connected to the first inclined surface 44, a second fixing strip 52 is fixedly connected to the second inclined surface 46, the first fixing strip 51 and the second fixing strip 52 are integrally formed, the widths of the positions of the first fixing strip 51 and the second fixing strip 52 are consistent, two sewing edges are separated from the transverse flat state of the cloth, and the two sewing edges are not separated from the first fixing strip 51 or the second fixing strip 52 until the cloth is in a vertical flat state, so that the two sewing edges are always in a separated state. Be provided with guide part 53 on first inclined plane 44, guide part 53 is used for the relative both sides of two sewing limits direction first fixed strip 51 in the cloth after sewing, and guide part 53 includes the sloping block, and the one end fixed connection of second fixed strip 52 is kept away from with first fixed strip 51 to the sloping block, is convenient for separate two sewing limits for two sewing limits can be smooth by first fixed strip 51 separation.
The working principle is as follows: carry the cloth through moving mechanism, turn over a mechanism and face to the cloth, make two sewing edges of cloth relative, then sewing mechanism sews the sewing edge, make the cloth form interior hollow strip, two sewing edges are towards the inboard, the cloth after the sewing is fixed a position through connecting plate 43, make two sewing edges pass through guide 53 and move to first fixed strip 51, and separate, when upper protrusion 41 and lower protrusion 42 bulge the cloth after the sewing, make the cloth after the sewing become vertical flat from horizontal flat, and two sewing edges pass through second fixed strip 52, make two sewing edges belong to the separation state all the time.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a presser foot for sewing machine, includes and pushes up subassembly (1) and pushes down subassembly (2), its characterized in that: a sewing space (3) is formed between the upper pressing component (1) and the lower pressing component (2), cloth passes through the sewing space (3) and is sewn through a sewing mechanism, the lower pressing component (2) comprises a protruding part (4), the protruding part (4) is positioned in the sewn cloth so as to enable the cloth to be internally bulged, the upper pressing component (1) comprises an upper pressing plate (11), a fixing part (12) is arranged on the upper pressing plate (11), the fixing part (12) is used for being fixedly connected with the sewing machine, the lower pressing component (2) comprises a lower pressing plate (21), the lower pressing plate (21) is fixedly connected with the upper pressing plate (11), the sewing space (3) comprises an upper moving area (31) and a lower moving area (32), the upper moving area (31) is formed between the upper pressing plate (11) and the lower pressing plate (21), and the lower moving area (32) is positioned below the lower pressing plate (21), the improved sewing machine is characterized in that a through hole (111) is formed in the upper pressing plate (11), a sewing hole (211) is formed in the lower pressing plate (21), the sewing hole (211) is communicated with the upward moving area (31) and the downward moving area (32), the through hole (111) and the sewing hole (211) penetrate through a sewing needle of the sewing machine, the protruding portion (4) comprises a flat plate piece, an upper protrusion (41) and a lower protrusion (42) are arranged on the flat plate piece, and a connecting line between the upper protrusion (41) and the lower protrusion (42) is parallel to the sewing needle of the sewing machine.
2. The presser foot for sewing machine according to claim 1, characterized in that: the flat plate piece comprises a connecting plate (43), the connecting plate (43) is fixedly connected with the lower pressing plate (21), the connecting plate (43) comprises a first inclined surface (44) and a plane (45), the first inclined surface (44) is opposite to the plane (45), the first inclined surface (44) is arranged on the same side of the through hole (111), and the distance from the first inclined surface (44) to the plane (45) gradually increases from one end close to the lower pressing plate (21) to the other end.
3. The presser foot for sewing machine according to claim 2, characterized in that: the sewing hole (211) extends towards one side of the connecting plate (43) and penetrates to the first inclined surface (44).
4. The presser foot for sewing machine according to claim 2, characterized in that: go up protruding (41) with protruding (42) integrated into one piece down with connecting plate (43) fixed connection to be formed with relative second inclined plane (46) and third inclined plane (47), second inclined plane (46) with first inclined plane (44) are connected, third inclined plane (47) with plane (45) are connected, second inclined plane (46) extremely the distance of third inclined plane (47) is along being close to the one end to the other end of connecting plate (43) reduces gradually, it includes the inclined plane to go up protruding (41), protruding (42) includes down the inclined plane down, it extremely to go up the inclined plane down the distance along being close to the one end to the other end of connecting plate (43) increases gradually.
5. The presser foot for sewing machine according to claim 4, characterized in that: the connecting plate (43) is provided with a separating part (5), and the separating part (5) is used for separating two sewing edges in the sewn cloth.
6. The presser foot for sewing machine according to claim 5, characterized in that: the separating part (5) comprises a first fixing strip (51), the first fixing strip (51) is fixedly connected to the first inclined surface (44), a second fixing strip (52) is fixedly connected to the second inclined surface (46), the first fixing strip (51) and the second fixing strip (52) are integrally formed, and the width of each position of the first fixing strip (51) and the width of each position of the second fixing strip (52) are consistent.
7. The presser foot for sewing machine according to claim 6, characterized in that: the first inclined plane (44) is provided with a guide part (53), and the guide part (53) is used for guiding two sewing edges in the sewn cloth to two opposite sides of the first fixing strip (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124586.2A CN112941738B (en) | 2021-01-29 | 2021-01-29 | Presser foot for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124586.2A CN112941738B (en) | 2021-01-29 | 2021-01-29 | Presser foot for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112941738A CN112941738A (en) | 2021-06-11 |
| CN112941738B true CN112941738B (en) | 2022-06-28 |
Family
ID=76239445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124586.2A Active CN112941738B (en) | 2021-01-29 | 2021-01-29 | Presser foot for sewing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN112941738B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177656A (en) * | 1996-09-26 | 1998-04-01 | 胜家公司 | Presser device for sewing machine |
| JP2003181174A (en) * | 2001-12-20 | 2003-07-02 | Juki Corp | Pressure regulator for sewing machine |
| CN103320980A (en) * | 2013-07-18 | 2013-09-25 | 天津市宝坻区吉龙服装服饰有限公司 | Press foot for sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5454462U (en) * | 1977-09-20 | 1979-04-14 | ||
| JP2008161542A (en) * | 2006-12-28 | 2008-07-17 | Yamato Sewing Mach Co Ltd | Presser foot of sewing machine |
| CN210712010U (en) * | 2019-08-07 | 2020-06-09 | 广州魔速科技有限公司 | Presser foot assembly of sewing machine |
| CN110747588B (en) * | 2019-11-26 | 2021-08-27 | 杰克缝纫机股份有限公司 | Sewing machine presser foot and sewing machine |
-
2021
- 2021-01-29 CN CN202110124586.2A patent/CN112941738B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177656A (en) * | 1996-09-26 | 1998-04-01 | 胜家公司 | Presser device for sewing machine |
| JP2003181174A (en) * | 2001-12-20 | 2003-07-02 | Juki Corp | Pressure regulator for sewing machine |
| CN103320980A (en) * | 2013-07-18 | 2013-09-25 | 天津市宝坻区吉龙服装服饰有限公司 | Press foot for sewing machine |
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| Publication number | Publication date |
|---|---|
| CN112941738A (en) | 2021-06-11 |
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Address after: 215000 No. 555, Jiangxing East Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou qiongpairuite Technology Co.,Ltd. Address before: 215000 No. 555, Jiangxing East Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU TRANSPARENT ELECTRONIC TECHNOLOGY Co.,Ltd. |
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