CN210712010U - Presser foot assembly of sewing machine - Google Patents
Presser foot assembly of sewing machine Download PDFInfo
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- CN210712010U CN210712010U CN201921273070.9U CN201921273070U CN210712010U CN 210712010 U CN210712010 U CN 210712010U CN 201921273070 U CN201921273070 U CN 201921273070U CN 210712010 U CN210712010 U CN 210712010U
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- presser foot
- foot piece
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- sewing machine
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Abstract
The utility model relates to a sewing machine technical field discloses a sewing machine presser foot subassembly, including the presser foot arm, the lower extreme of presser foot arm is seted up and is pressed the foot groove, the presser foot inslot is equipped with the presser foot piece, the presser foot piece passes through fixed screw connection in the presser foot groove, symmetric connection has two pressure spring between the tank bottom in presser foot piece and presser foot groove, the front end bottom perk design of presser foot piece, and thick partially, the flat inclined thin setting in rear end bottom of presser foot piece, and thin partially, form the little holding-down pressure difference in big back before the presser foot, the pinhole that falls has been seted up to the lower extreme side of presser foot piece, presser foot piece bottom rear end is close to the pinhole position that falls and begins to make progress and thinningly when extending backward gradually. The utility model discloses when realizing making up the gauge needle equidistance and equaling, also can adapt to the condition that can not block the material when making up the thickness material that the shuttle was knitted, it is inhomogeneous effectively to solve the cloth and adjust the gauge needle size for it is obvious to walk the even regulation effect of material to make up the thickness cloth, has realized the presser foot piece around the low pressure degree size difference.
Description
Technical Field
The utility model relates to a sewing machine technical field especially relates to a sewing machine presser foot subassembly.
Background
The presser foot film of the sewing presser foot used on the market at present is thick from front to back and the inside is middle-sized to fall the pinhole, and adopts the design of two pressure springs from front to back, and different thickness materials are made at the presser foot to this kind of design, and the easy technical problem that the cloth walking is not smooth and arouses narrow limit line gauge inequality or card material because of the pressure all has too big condition around the presser foot film.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the presser foot component of the sewing machine is provided for solving the problem that the presser foot component of the prior art is not equal in distance between narrow threads or blocked materials due to the fact that the cloth walking is unsmooth caused by the overlarge condition of the front and back pressure of the presser foot film in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sewing machine presser foot subassembly, includes the presser foot arm, the lower extreme of presser foot arm is seted up and is pressed the foot groove, the presser foot inslot is equipped with the presser foot piece, the presser foot piece passes through fixed screw connection in the presser foot groove, symmetrical connection has two pressure spring between the tank bottom in presser foot piece and presser foot groove, the front end bottom perk design of presser foot piece, and thick partially, the flat inclined thin setting of rear end bottom of presser foot piece, and thin partially, the little pressure differential that pushes down of big back before the formation presser foot, the pinhole that falls has been seted up to the lower extreme side of presser foot piece, and the presser foot piece bottom rear end is close to the pinhole that falls position and begins to become thin gradually when upwards extending backward.
Preferably, the presser foot piece is movably connected in the presser foot groove.
Preferably, the material of the presser foot piece is aluminum alloy.
Compared with the prior art, the utility model provides a sewing machine presser foot subassembly possesses following beneficial effect:
1. according to the presser foot component of the sewing machine, by arranging the presser foot piece, the pressure spring and the fixing screw, the front end of the bottom of the presser foot piece is tilted to be thicker and the rear end of the bottom is tilted to be thinner by changing the structure of the presser foot piece, so that the pressing pressure difference between the front part and the rear part of the presser foot piece is formed, when the presser foot piece presses down, the pressure exerted by the pressure spring enables the pressure of the front tilted part of the presser foot piece to be larger than that of the rear end, when the presser foot piece presses cloth, the pressing surface of the front end of the bottom of the presser foot piece is parallel to the cloth, the pressing surface of the rear end is tilted to be an upper surface, and the parallel pressure exerted by the front end ensures that the cloth; the rear end pressure is gradually weakened towards the rear position pressure, the cloth cannot be caused to retreat unsmoothly, the condition that the needle pitch cannot be blocked when the woven thick and thin materials are sewn can be adapted to when the same distance of the needle pitch is equal, the problem that the needle pitch is uneven in size when the woven thick and thin materials are sewn is effectively solved, the effect of uniformly adjusting the feeding of the thick and thin materials is obvious, and the pressure difference between the front and the rear of the presser foot piece is realized.
The device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses when realizing making the gauge needle equidistance equal, also can adapt to the condition that can not block the material when making the thick and thin material of tatting, it is inhomogeneous effectively to solve the cloth and adjust the gauge needle size for it is obvious to make up thick and thin cloth and walk the even regulation effect of material, has realized that presser foot piece is big or small poor down force degree around.
Drawings
Fig. 1 is a schematic view of a presser foot assembly of a sewing machine according to the present invention;
fig. 2 is a front view of a presser foot assembly of a sewing machine according to the present invention;
fig. 3 is a left side view of the presser foot assembly of the sewing machine according to the present invention.
In the figure: 1 presser foot arm, 2 presser foot pieces, 3 pressure springs and 4 fixing screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a presser foot assembly of a sewing machine comprises a presser foot arm 1 installed on the sewing machine, a presser foot groove is arranged at the lower end of the presser foot arm 1, a presser foot sheet 2 is arranged in the presser foot groove, the presser foot sheet 2 is connected in the presser foot groove through a fixing screw 4, two pressure springs 3 are symmetrically connected between the presser foot sheet 2 and the groove bottom of the presser foot groove, the front end bottom of the presser foot sheet 2 is designed to be tilted and thick, the rear end bottom of the presser foot sheet 2 is arranged to be flat and thin to form a large-front-rear-small pressing pressure difference, a needle falling hole is arranged on the side surface of the lower end of the presser foot sheet 2, the rear end of the bottom of the presser foot sheet 2 becomes thin gradually when being close to the needle falling hole and extending upwards and backwards, the front end of the bottom of the presser foot sheet 2 is tilted and thick and the rear end is flat and thin to form a large-rear-small pressing pressure difference, when the presser foot sheet 2 is pressed, the pressure applied by the pressure spring 3 enables the pressure on the front warping part of the presser foot sheet 2 to be larger than that on the rear end, when the presser foot sheet 2 compacts the cloth, the pressing surface on the front end of the bottom of the presser foot sheet 2 is parallel to the cloth, the pressing surface on the rear end is an inclined upper surface, and the parallel pressure applied by the front end ensures that the cloth is stressed uniformly and the needle pitch is not deviated when the cloth moves; the rear end pressure weakens gradually to the rear position pressure, can not cause the cloth to retreat unsmoothly, when realizing making the gauge needle equidistance equal, also can adapt to the condition that can not block the material when making the thickness material that the shuttle was woven, effectively solves cloth and adjusts the gauge needle size inhomogeneous for it is obvious to make up thickness cloth and walk material even regulation effect, has realized that presser foot piece 2 is lower force degree size difference from beginning to end.
The presser foot piece 2 is movably connected in the presser foot groove.
The material of presser foot piece 2 is the aluminum alloy, through presser foot piece 2's life.
In the utility model, the front end of the bottom of the presser foot piece 2 is tilted to be thicker and the rear end of the bottom is tilted to be thinner by changing the structure of the presser foot piece 2, so that the pressure difference between the big front part and the small rear part of the presser foot piece 2 is formed, when the presser foot piece 2 is pressed down, the pressure applied by the pressure spring 3 ensures that the front warped part of the presser foot piece 2 is pressed by more pressure than the rear end, when the presser foot piece 2 compacts the cloth, the front end pressure surface of the bottom of the presser foot piece 2 is parallel to the cloth, the rear end pressure surface is an inclined upper surface, and the parallel pressure applied by the front end ensures that the cloth is uniformly stressed and the needle distance is not deviated when the cloth moves; the rear end pressure weakens gradually to the rear position pressure, can not cause the cloth to retreat unsmoothly, when realizing making the gauge needle equidistance equal, also can adapt to the condition that can not block the material when making the thickness material that the shuttle was woven, effectively solves cloth and adjusts the gauge needle size inhomogeneous for it is obvious to make up thickness cloth and walk material even regulation effect, has realized that presser foot piece 2 is lower force degree size difference from beginning to end.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a sewing machine presser foot subassembly, includes presser foot arm (1), its characterized in that, the lower extreme of presser foot arm (1) is seted up and is pressed the foot groove, presser foot inslot is equipped with presser foot piece (2), presser foot piece (2) are connected in the presser foot groove through fixed screw (4), symmetrical connection has two pressure spring (3) between the tank bottom in presser foot piece (2) and presser foot groove, the front end bottom perk design of presser foot piece (2), the flat oblique thin setting in rear end bottom of presser foot piece (2), the pinhole that falls has been seted up to the lower extreme side of presser foot piece (2).
2. A sewing machine presser foot assembly according to claim 1, wherein said presser foot plate (2) is movably attached in a presser foot slot.
3. A presser foot assembly according to claim 1, wherein said presser foot plate (2) is of aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273070.9U CN210712010U (en) | 2019-08-07 | 2019-08-07 | Presser foot assembly of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921273070.9U CN210712010U (en) | 2019-08-07 | 2019-08-07 | Presser foot assembly of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210712010U true CN210712010U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921273070.9U Active CN210712010U (en) | 2019-08-07 | 2019-08-07 | Presser foot assembly of sewing machine |
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|---|---|
| CN (1) | CN210712010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941738A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Presser foot for sewing machine |
-
2019
- 2019-08-07 CN CN201921273070.9U patent/CN210712010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941738A (en) * | 2021-01-29 | 2021-06-11 | 苏州琼派瑞特电子科技有限公司 | Presser foot for sewing machine |
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