CN111733535A - Presser foot structure and have its sewing machine - Google Patents
Presser foot structure and have its sewing machine Download PDFInfo
- Publication number
- CN111733535A CN111733535A CN201811643841.9A CN201811643841A CN111733535A CN 111733535 A CN111733535 A CN 111733535A CN 201811643841 A CN201811643841 A CN 201811643841A CN 111733535 A CN111733535 A CN 111733535A
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- Prior art keywords
- presser foot
- presser
- pressure
- handle
- bar
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
- D05B29/08—Presser feet comprising relatively-movable parts
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a presser foot structure and a sewing machine with the same, wherein the presser foot structure comprises: a presser bar; the position of the presser foot handle is adjustably arranged on the presser foot rod; the sewing machine comprises a roller presser foot component, wherein the roller presser foot component is provided with a feeding pressing wheel for pressing sewing materials, and the roller presser foot component is arranged on a presser foot handle to move under the driving of the presser foot handle so as to adjust the position of the feeding pressing wheel and solve the problem that the pressing wheel of the sewing machine in the prior art can cause interference to the threading action of a needle.
Description
Technical Field
The invention relates to the field of sewing, in particular to a presser foot structure and a sewing machine with the same.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more sewing threads on a work piece and one or more stitches on the work piece to interlace or stitch one or more layers of the work piece together.
The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.
Because the existing sewing machine adopts the roller presser foot to feed materials, and the material pressing wheel is arranged on the left side of the machine needle, the roller presser foot can interfere the threading action when the threading action of the machine needle is carried out.
Disclosure of Invention
The invention mainly aims to provide a presser foot structure and a sewing machine with the same, and aims to solve the problem that a presser wheel of the sewing machine in the prior art interferes with the threading action of a needle.
In order to achieve the above object, according to one aspect of the present invention, there is provided a presser foot structure comprising: a presser bar; the position of the presser foot handle is adjustably arranged on the presser foot rod; the roller presser foot component is provided with a feeding pressing wheel for pressing the sewing material, and the roller presser foot component is arranged on the presser foot handle so as to move under the driving of the presser foot handle to adjust the position of the feeding pressing wheel.
Furthermore, the presser foot handle is provided with an initial position for enabling the feeding pressing wheel to be in a working state and an avoidance position for enabling the feeding pressing wheel to be in a non-working state, and the presser foot handle is rotatably arranged on the presser foot rod so as to enable the feeding pressing wheel to be switched between the working state and the non-working state by operating the presser foot handle to move to the initial position or the avoidance position.
Furthermore, a clamping pin is arranged on the presser foot rod, and a clamping groove matched with the clamping pin is arranged on the presser foot handle, so that the presser foot handle is positioned at an initial position by clamping the clamping pin in the clamping groove; the presser foot handle is movably provided in the axial direction of the presser foot lever with respect to the presser foot lever so that the locking pin is disengaged from the locking groove when the presser foot handle is driven to move from the initial position to the retracted position.
Furthermore, the groove wall of the clamping groove is provided with an inclined surface inclined to the presser bar, so that the clamping pin moves along the inclined surface to be separated from the clamping groove.
Further, the presser foot structure still includes: the presser foot sheet is arranged on the presser foot rod; and the supporting elastic piece, one end of which is connected with the presser foot sheet, and the other end of which is connected with the presser foot handle, so that the presser foot handle is abutted against the stop pin under the elastic action of the supporting elastic piece.
Further, the presser foot structure still includes: the presser bar sleeve is movably arranged in the presser bar sleeve in a penetrating way so as to guide the presser bar through the presser bar sleeve; and the driving component is connected with the presser bar sleeve so as to drive the presser bar to move along the axial direction of the presser bar sleeve relative to the presser bar sleeve.
Further, the drive assembly includes: the supporting seat is connected with the presser foot rod; the pressure elastic piece is connected with the supporting seat, so that the pressure elastic piece acts on the pressure-driven supporting seat by applying pressure to the pressure elastic piece, and the supporting seat drives the presser bar to move.
Further, pressure elastic component is pressure shell fragment, and drive assembly still includes: and one end of the pressure adjusting screw is connected with the pressure elastic part so as to apply pressure to the pressure elastic part through the pressure adjusting screw.
Further, the presser foot handle includes: the mounting block is rotatably sleeved on the presser foot rod; the mounting plate is arranged on the mounting block, and the roller presser foot assembly is arranged on the mounting plate; wherein, the mounting panel is the bending plate, and the gyro wheel presser foot subassembly sets up on the corresponding plate section of mounting panel to make the pay-off pinch roller be located the corresponding one side of sewing machine needle bar.
According to another aspect of the present invention, there is provided a sewing machine comprising a needle bar and a presser foot structure, wherein the presser foot structure is the above-mentioned presser foot structure.
By applying the technical scheme, the presser foot structure comprises a presser foot rod, a presser foot handle and a roller presser foot assembly, wherein the position of the presser foot handle is adjustably installed on the presser foot rod, the roller presser foot assembly is provided with a feeding pressure for pressing sewing materials, the roller presser foot assembly is installed on the presser foot handle and driven by the presser foot handle to move so as to adjust the position of a feeding pressing wheel, the feeding pressing wheel can be moved to be far away from the needle rod during threading, enough space is reserved for needle threading, and the problem that the pressing wheel of a sewing machine in the prior art can interfere with needle threading is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of the mounting arrangement of a presser foot arrangement according to the present invention;
fig. 2 shows a first structural schematic view of an embodiment of a presser foot arrangement according to the invention; and
fig. 3 shows a second constructional view of an embodiment of the presser foot arrangement according to the invention.
Wherein the figures include the following reference numerals:
10. a presser bar; 20. a presser foot handle; 30. a roller presser foot assembly; 31. feeding pinch rollers; 11. a locking pin; 21. a locking groove; 40. a presser foot sheet; 50. a support elastic member; 60. a presser foot bar sleeve; 70. a drive assembly; 71. a supporting seat; 72. a pressure spring; 73. a pressure adjustment screw; 22. mounting blocks; 23. and (7) mounting the plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present invention provides a presser foot structure, please refer to fig. 1 to 3, including: a presser bar 10; the presser foot handle 20, the position of the presser foot handle 20 is adjustably installed on the presser foot rod 10; the roller presser foot assembly 30, the roller presser foot assembly 30 has the feeding pinch roller 31 that is used for compressing tightly the seam material, and the roller presser foot assembly 30 is installed on presser foot handle 20 for the drive under presser foot handle 20 moves, in order to adjust the position of feeding pinch roller 31.
The invention provides a presser foot structure which comprises a presser foot rod 10, a presser foot handle 20 and a roller presser foot assembly 30, wherein the position of the presser foot handle 20 is adjustably installed on the presser foot rod 10, the roller presser foot assembly 30 is provided with a feeding pressure wheel 31 for pressing sewing materials, the roller presser foot assembly 30 is installed on the presser foot handle 20 and is driven by the presser foot handle 20 to move to adjust the position of the feeding pressure wheel 31, when threading is carried out, the feeding pressure wheel 31 can be moved to be far away from a needle rod, enough space is reserved for needle threading, and the problem that the presser foot wheel of a sewing machine in the prior art can cause interference to needle threading is solved.
Specifically, in the embodiment provided by the invention, the presser foot handle 20 has an initial position for enabling the feeding pressure wheel 31 to be in an operating state and an avoiding position for enabling the feeding pressure wheel 31 to be in a non-operating state, and the presser foot handle 20 is rotatably mounted on the presser bar 10 to switch the feeding pressure wheel 31 between the operating state and the non-operating state by operating the movement of the presser foot handle 20 to the initial position or the avoiding position, so as to facilitate the threading and sewing of the sewing machine needle.
In order to fix the presser foot handle 20 on the presser foot bar 10, a locking pin 11 is arranged on the presser foot bar 10, a locking groove 21 matched with the locking pin 11 is arranged on the presser foot handle 20, and the presser foot handle 20 is positioned at an initial position by locking the locking pin 11 in the locking groove 21; the presser bar 20 is provided movably in the axial direction of the presser bar 10 with respect to the presser bar 10 so that the engagement pin 11 is disengaged from the engagement groove 21 when the presser bar 20 is driven to move from the initial position to the retracted position.
The groove wall of the clamping groove 21 is provided with an inclined surface inclined to the presser foot rod 10, so that the clamping pin 11 moves along the inclined surface to be separated from the clamping groove 21, the presser foot handle 20 is prevented from rotating in the process of rotating, the clamping groove 21 stops the clamping pin 11 to enable the presser foot handle 20 to be incapable of rotating, the groove wall is provided with the inclined surface inclined to the presser foot rod 10, the clamping pin 11 is separated from the clamping groove 21 or moves along the inclined surface in the rotating process of the presser foot handle 20, and the whole working flow is smoother.
Further, the presser foot structure still includes: a presser foot sheet 40, the presser foot sheet 40 is arranged on the presser foot rod 10; the presser foot handle 20 is rotated, the support elastic member 50 is compressed to separate the locking pin 11 from the locking groove 21 along the inclined surface, and after the rotation is completed, the presser foot handle 20 is fixed between the locking pin 11 and the support elastic member 50 through the support elastic member 50 to prevent the presser foot handle 20 from freely rotating to affect the threading.
When specifically implementing, presser foot structure still includes: the presser bar sleeve 60 is used for movably penetrating the presser bar 10 in the presser bar sleeve 60 so as to guide the presser bar 10 through the presser bar sleeve 60; and the driving assembly 70 is connected with the presser bar sleeve 10, so that the presser bar sleeve 10 is driven to move relative to the presser bar sleeve 60 along the axial direction of the presser bar sleeve 60 by the driving assembly 70.
As shown in fig. 3, the driving assembly 70 includes: the supporting seat 71, the supporting seat 71 is connected with the presser foot bar 10; the pressure elastic element 72, the pressure elastic element 72 is connected with the supporting seat 71, so that the pressure elastic element 72 presses the supporting seat 71 by applying pressure to the pressure elastic element 72, so that the supporting seat 71 drives the presser bar 10 to move.
Preferably, the pressure elastic member 72 is a pressure elastic sheet, and the driving assembly 70 further includes: one end of the pressure adjusting screw 73 is connected with the pressure elastic member 72, so that the pressure adjusting screw 73 applies pressure to the pressure elastic member 72, the roller presser foot assembly 30 is conveniently lifted to enable the roller presser foot assembly 30 to be away from the sewing station, and the pressure elastic member 72 is pressed to enable the roller presser foot assembly 30 to be lifted to be away from the sewing station in a labor-saving mode.
Specifically, the presser foot handle 20 includes: the mounting block 22, the mounting block 22 is rotationally sleeved on the presser foot bar 10; the mounting plate 23, the mounting plate 23 is set up on the mounting block 22, the roller presser foot assembly 30 is set up on the mounting plate 23; wherein, the mounting plate 23 is a bending plate, and the roller presser foot assembly 30 is arranged on the corresponding plate section of the mounting plate 23, so that the feeding pressure wheel 31 is positioned at the corresponding side of the needle bar of the sewing machine.
The invention also provides a sewing machine, which comprises a needle bar and a presser foot structure, wherein the presser foot structure is the presser foot structure of the embodiment.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the invention provides a presser foot structure which comprises a presser foot rod 10, a presser foot handle 20 and a roller presser foot assembly 30, wherein the position of the presser foot handle 20 is adjustably installed on the presser foot rod 10, the roller presser foot assembly 30 is provided with a feeding pressure wheel 31 for pressing sewing materials, the roller presser foot assembly 30 is installed on the presser foot handle 20 and moves under the driving of the presser foot handle 20 to adjust the position of the feeding pressure wheel 31, and when threading is carried out, the feeding pressure wheel 31 can be moved to be far away from a needle rod to reserve enough space for needle threading so as to solve the problem that a presser wheel of a sewing machine in the prior art can cause interference on needle threading.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A presser foot arrangement, comprising:
a presser foot bar (10);
the presser foot handle (20), the position of the presser foot handle (20) is adjustably installed on the presser foot rod (10);
the roller presser foot assembly (30), the roller presser foot assembly (30) has a feeding pinch roller (31) for compressing the sewing material, the roller presser foot assembly (30) is installed on the presser foot handle (20) to move under the driving of the presser foot handle (20) to adjust the position of the feeding pinch roller (31).
2. Presser foot arrangement according to claim 1, characterized in that said presser foot handle (20) has an initial position for bringing said feed pressure wheel (31) into an operative state and an escape position for bringing said feed pressure wheel (31) into an inoperative state, said presser foot handle (20) being rotatably mounted on said presser bar (10) for switching said feed pressure wheel (31) between said operative state and said inoperative state by operating said presser foot handle (20) to move to said initial position or to said escape position.
3. Presser foot structure according to claim 2, characterized in that a locking pin (11) is provided on said presser bar (10), and a locking groove (21) cooperating with said locking pin (11) is provided on said presser bar (20) to position said presser bar (20) in said initial position by locking said locking pin (11) in said locking groove (21); the presser foot handle (20) is provided movably in the axial direction of the presser foot lever (10) relative to the presser foot lever (10) so as to disengage the locking pin (11) from the locking groove (21) when the presser foot handle (20) is driven to move from the initial position to the retracted position.
4. The presser foot structure according to claim 3, wherein a groove wall of the locking groove (21) is provided with an inclined surface inclined to the presser bar (10) so that the locking pin (11) moves along the inclined surface to be disengaged from the locking groove (21).
5. The presser foot arrangement of claim 3, further comprising:
the presser foot piece (40), the said presser foot piece (40) is set up on the said presser foot lever (10);
and one end of the supporting elastic piece (50) is connected with the pressure foot piece (40), and the other end of the supporting elastic piece (50) is connected with the pressure foot handle (20), so that the pressure foot handle (20) is abutted against the stop pin (11) under the elastic action of the supporting elastic piece (50).
6. The presser foot arrangement of claim 1, further comprising:
the presser foot rod sleeve (60), the presser foot rod (10) is movably arranged in the presser foot rod sleeve (60) in a penetrating way, so that the presser foot rod (10) is guided through the presser foot rod sleeve (60);
a drive assembly (70), the drive assembly (70) being connected with the presser bar (10) to drive the presser bar (10) to move relative to the presser bar sleeve (60) along the axial direction of the presser bar sleeve (60).
7. Presser foot arrangement according to claim 6, wherein said drive assembly (70) comprises:
the supporting seat (71), the supporting seat (71) is connected with the presser foot rod (10);
the pressure elastic piece (72) is connected with the supporting seat (71), so that the pressure elastic piece (72) acts on the supporting seat (71) by applying pressure to the pressure elastic piece (72), and the supporting seat (71) drives the presser bar (10) to move.
8. Presser foot arrangement according to claim 7, wherein said pressure spring (72) is a pressure leaf spring, said drive assembly (70) further comprising:
a pressure adjusting screw (73), one end of the pressure adjusting screw (73) being connected to the pressure elastic member (72) to apply pressure to the pressure elastic member (72) through the pressure adjusting screw (73).
9. Presser foot arrangement according to claim 1, characterized in that said presser foot handle (20) comprises:
the mounting block (22), the said mounting block (22) is fitted over the said presser foot lever (10) rotatably;
a mounting plate (23), the mounting plate (23) being disposed on the mounting block (22), the roller presser foot assembly (30) being disposed on the mounting plate (23);
the mounting plate (23) is a bending plate, and the roller presser foot assembly (30) is arranged on a corresponding plate section of the mounting plate (23) so that the feeding pressing wheel (31) is positioned on a corresponding side of a needle bar of the sewing machine.
10. A sewing machine comprising a needle bar and a presser foot arrangement, wherein the presser foot arrangement is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643841.9A CN111733535B (en) | 2018-12-30 | 2018-12-30 | Presser foot structure and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643841.9A CN111733535B (en) | 2018-12-30 | 2018-12-30 | Presser foot structure and sewing machine with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111733535A true CN111733535A (en) | 2020-10-02 |
| CN111733535B CN111733535B (en) | 2023-07-14 |
Family
ID=72645611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643841.9A Active CN111733535B (en) | 2018-12-30 | 2018-12-30 | Presser foot structure and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111733535B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB821990A (en) * | 1956-11-21 | 1959-10-14 | G M Pfaff A I G | Improvements in or relating to presser feet for sewing machines |
| CN201588075U (en) * | 2010-01-05 | 2010-09-22 | 联亚制衣(东莞)有限公司 | Double-headed presser foot device |
| CN202440642U (en) * | 2012-02-23 | 2012-09-19 | 耿安富 | Adjustable roller presser foot of stitching machine |
| CN107237055A (en) * | 2017-08-09 | 2017-10-10 | 浙江中捷缝纫科技有限公司 | A kind of presser foot of sewing machine |
-
2018
- 2018-12-30 CN CN201811643841.9A patent/CN111733535B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB821990A (en) * | 1956-11-21 | 1959-10-14 | G M Pfaff A I G | Improvements in or relating to presser feet for sewing machines |
| CN201588075U (en) * | 2010-01-05 | 2010-09-22 | 联亚制衣(东莞)有限公司 | Double-headed presser foot device |
| CN202440642U (en) * | 2012-02-23 | 2012-09-19 | 耿安富 | Adjustable roller presser foot of stitching machine |
| CN107237055A (en) * | 2017-08-09 | 2017-10-10 | 浙江中捷缝纫科技有限公司 | A kind of presser foot of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111733535B (en) | 2023-07-14 |
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