Presser foot structure with small tongue

Abstract

The utility model discloses a presser foot structure with a small tongue, which comprises a presser foot main body, the presser foot main body is provided with a sewing notch, one side of the sewing notch is provided with a raised line, the outer side of the sewing notch is provided with a presser foot tongue, the presser foot tongue comprises a horizontal part and a protruding part, the horizontal part is connected to the sewing notch, and the protruding part is connected to the sewing notch. The horizontal part is connected with the protruding strip, a pin moving groove is formed between the horizontal part and the protruding strip, the protruding part is connected to the outer side of the horizontal part, an L-shaped structure is formed between the protruding part and the horizontal part, and a transition cambered surface is arranged at the joint of the protruding part and the horizontal part. According to the overlock stitch, the pattern of the overlock stitch is changed, so that two points are formed on one stitch of a thread on a ready-made garment, the coverage rate of the stitch on a fabric is doubled, the phenomenon of rough selvedges of the fabric is avoided, the structure is simple and ingenious, and the attractiveness of the garment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machine accessories, in particular to a presser foot structure with a small tongue. Background Art

[0002] The presser foot is an indispensable component in the feeding mechanism of a sewing machine. Various forms of sewing machine presser feet play a very important role in the production process.

[0003] The existing sewing machine has only one point for each stitch on the garment through the presser foot, and the stitch coverage on the fabric is low, which causes serious fuzzing of the fabric and affects the aesthetics of the garment. Summary of the invention

[0004] In view of the above problems existing in the existing presser foot, the present invention aims to provide a presser foot structure with a small tongue which has a simple structure, avoids burrs and improves aesthetics.

[0005] The specific technical solutions are as follows:

[0006] A presser foot structure with a small tongue comprises: a presser foot body, a sewing notch is provided on the presser foot body, a convex strip is provided on one side of the sewing notch, a presser foot tongue is provided on the outer side of the sewing notch, the presser foot tongue comprises: a horizontal portion and a convex portion, the horizontal portion is connected to the sewing notch, and a stitch movable groove is formed between the horizontal portion and the convex strip, the convex portion is connected to the outer side of the horizontal portion, and an "L"-shaped structure is formed between the convex portion and the horizontal portion, and a transition arc surface is provided at the connection between the convex portion and the horizontal portion.

[0007] As a further improvement and optimization of the present solution, the protruding portion, the horizontal portion and the presser foot body are an integrated structure.

[0008] As a further improvement and optimization of the present solution, a lifting plate extends from one side of the presser foot body, and the lifting plate is bent upward.

[0009] As a further improvement and optimization of the present solution, the other side of the presser foot body is provided with a pressing plate, one end of the pressing plate is connected to the presser foot body, and the other end is arranged to be inclined upward.

[0010] As a further improvement and optimization of this solution, the lifting plate, the pressing plate and the presser foot body are an integrated structure.

[0011] As a further improvement and optimization of the present solution, a presser foot arm is provided on the top of the presser foot body for connecting to a sewing machine.

[0012] As a further improvement and optimization of the present solution, the presser foot arm is located on a side of the sewing notch away from the presser foot tongue.

[0013] As a further improvement and optimization of this solution, a lead frame is provided on the top of the presser foot body, and a lead groove is provided on the lead frame.

[0014] As a further improvement and optimization of this solution, a pin hole is provided on the top of the presser foot arm.

[0015] Compared with the prior art, the above technical solution has the following positive effects:

[0016] In the utility model, an "L"-shaped presser foot tongue is arranged on the sewing notch of the presser foot body to change the pattern of the overlock stitch so that a needle extending the thread onto the garment has two points, thereby doubling the coverage of the stitch on the fabric, thereby avoiding the phenomenon of raw edges of the fabric. Not only is the structure simple and ingenious, but the aesthetics of the garment is also improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a presser foot structure with a small tongue according to the utility model;

[0018] In the attached drawings: 1. presser foot body; 2. convex strip; 3. presser foot tongue; 4. lifting plate; 5. presser plate; 6. presser foot arm; 7. lead frame; 11. sewing notch; 21. needle movable groove; 31. protruding part; 32. horizontal part; 33. transition arc surface; 61. pin hole; 71. lead groove. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Figure 1 FIG. 1 is a schematic structural diagram of a presser foot structure with a small tongue according to the utility model. Figure 1 As shown, a presser foot structure with a small tongue in a preferred embodiment is shown, comprising: a presser foot body 1, a sewing slot 11 is provided on the presser foot body 1, a convex strip 2 is provided on one side of the sewing slot 11, a presser foot tongue 3 is provided on the outer side of the sewing slot 11, and the presser foot tongue 3 comprises: a horizontal portion 32 and a convex portion 31, the horizontal portion 32 is connected to the sewing slot 11, and a stitch movable groove 21 is formed between the horizontal portion 32 and the convex strip 2, the convex portion 31 is connected to the outer side of the horizontal portion 32, and an "L"-shaped structure is formed between the convex portion 31 and the horizontal portion 32, and a transition arc surface 33 is provided at the connection between the convex portion 31 and the horizontal portion 32.

[0023] In the present embodiment, an "L"-shaped presser foot tongue 3 is provided on the sewing notch 11 of the presser foot body 1, and the pattern of the overlock stitch is changed so that a needle extending to the garment has two points, thereby doubling the coverage of the stitch on the fabric, thereby avoiding the phenomenon of burrs on the fabric. Not only is the structure simple and ingenious, but it also improves the aesthetics of the garment.

[0024] Furthermore, as a preferred embodiment, the protruding portion 31, the horizontal portion 32 and the presser foot body 1 are an integrated structure.

[0025] Furthermore, as a preferred embodiment, a lifting plate 4 is extended from one side of the presser foot body 1, and the lifting plate 4 is bent upward.

[0026] Further, as a preferred embodiment, the other side of the presser foot body 1 has a pressing plate 5, one end of the pressing plate 5 is connected to the presser foot body 1, and the other end is inclined upward.

[0027] Furthermore, as a preferred embodiment, the lifting plate 4, the pressing plate 5 and the presser foot body 1 are an integrated structure.

[0028] Furthermore, as a preferred embodiment, the top of the presser foot body 1 is provided with a presser foot arm 6 for connecting to a sewing machine.

[0029] Further, as a preferred embodiment, the presser foot arm 6 is located on the side of the sewing notch 11 away from the presser foot tongue 3.

[0030] Furthermore, as a preferred embodiment, the top of the presser foot body 1 is provided with a lead frame 7 , and the lead frame 7 is provided with a lead groove 71 .

[0031] Further, as a preferred embodiment, the top of the presser foot arm 6 has a pin hole 61 .

[0032] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A presser foot structure with a small tongue, characterized in that: include: A presser foot body, wherein the presser foot body is provided with a sewing notch, a convex strip is provided on one side of the sewing notch, a presser foot tongue is provided on the outer side of the sewing notch, and the presser foot tongue comprises: a horizontal portion and a convex portion, the horizontal portion is connected to the sewing notch, and a stitch movable groove is formed between the horizontal portion and the convex strip, the convex portion is connected to the outer side of the horizontal portion, and an "L"-shaped structure is formed between the convex portion and the horizontal portion, and a transition arc surface is provided at the connection between the convex portion and the horizontal portion.

2. The presser foot structure with a small tongue according to claim 1, characterized in that: The protruding portion, the horizontal portion and the presser foot body are an integrated structure.

3. The presser foot structure with a small tongue according to claim 1, characterized in that: A lifting plate is extended from one side of the presser foot body, and the lifting plate is bent upward.

4. The presser foot structure with a small tongue according to claim 3, characterized in that: The other side of the presser foot body is provided with a pressing plate, one end of the pressing plate is connected to the presser foot body, and the other end is arranged to be inclined upward.

5. The presser foot structure with a small tongue according to claim 4, characterized in that: The lifting plate, the pressing plate and the presser foot body are an integrated structure.

6. The presser foot structure with a small tongue according to claim 1, characterized in that: The top of the presser foot body is provided with a presser foot arm for connecting with a sewing machine.

7. The presser foot structure with a small tongue according to claim 6, characterized in that: The presser foot arm is located at a side of the sewing notch away from the presser foot tongue.

8. The presser foot structure with a small tongue according to claim 1, characterized in that: The top of the presser foot body is provided with a lead frame, and the lead frame is provided with a lead groove.

9. The presser foot structure with a small tongue according to claim 7, characterized in that: The top of the presser foot arm is provided with a pin hole.

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