Sewing machine presser foot

Abstract

The utility model relates to sewing machine accessory technical field, concretely is a sewing machine presser foot, including presser foot body, foot handle, presser foot tongue, the foot handle rotation connection is in the tail end of presser foot body, the presser foot body outer wall sliding connection has the adjusting plate, one end of presser foot tongue fixed connection has the adjusting plate, the adjusting plate outer wall has set up with the adjusting hole of first bolt's matching, one end of first bolt is connected through the adjusting hole screw thread on the presser foot body, the foot handle side surface top detachable connection has the protection frame, the utility model discloses can slide horizontally on the presser foot body through the adjusting plate, and the bolt is loosened and separates the restraint to adjusting plate, can slide adjusting plate drive presser foot tongue horizontal movement, is convenient for adjusting presser foot tongue left and right width, can adjust the width of cloth drawing according to the demand, is convenient for sewing.

Description

Technical Field

[0001] This utility model relates to the technical field of sewing machine accessories, specifically a sewing machine presser foot. Background Technology

[0002] The presser foot of a sewing machine plays a crucial auxiliary role in the sewing process. Working in conjunction with the feed dog, the presser foot allows the fabric to be fixed and moved on the machine table. Presser feet are categorized by sewing machine performance into flatbed sewing machine presser feet, overlock sewing machine presser feet, and special-purpose machine presser feet. They are also categorized by function into ordinary presser feet and special-purpose presser feet. Ordinary presser feet are generally made of metal.

[0003] Current overlock or hem presser feet may have more complex structures, including one or more "tongue" sections for guiding or securing the fabric. These "tongue" sections are usually located at the front of the presser foot, but the existing presser foot tongue spacing is not convenient to adjust, making it inconvenient to join fabrics of different thicknesses. Utility Model Content

[0004] To achieve the above objectives, this utility model provides the following technical solution: it includes a pressure foot body, a foot handle, and a pressure foot tongue; the foot handle is rotatably connected to the tail end of the pressure foot body, an adjusting plate is slidably connected to the outer wall of the pressure foot body, the pressure foot tongue is fixedly connected to one end of the adjusting plate, the outer wall of the adjusting plate has an adjusting hole that matches a first bolt, one end of the first bolt is threadedly connected to the pressure foot body through the adjusting hole, a protective frame is detachably connected to the upper side of the foot handle, and the other end of the protective frame extends to the working part of the pressure foot body.

[0005] Preferably, the foot handle is detachably connected to a flexible steel strip, the other end of which extends and is inserted into the interior of the foot clamp body. A second bolt is inserted into the side wall of the flexible steel strip, one end of which is threaded into the interior of the foot handle through a protective frame. One end of the flexible steel strip is located between the protective frame and the foot handle, and the protective frame and foot handle are firmly connected together by the second bolt.

[0006] Preferably, the outer wall of the pressure plate has a threaded hole that matches the first bolt, and one end of the first bolt is threadedly connected to the threaded hole through an adjusting plate.

[0007] Preferably, the outer wall of the foot handle is provided with threaded holes that match the second bolt and the third bolt respectively. One end of the second bolt is threadedly connected to the elastic steel bar inside the foot handle through a protective frame, and one end of the third bolt is threadedly connected to the inside of the foot handle through a protective frame.

[0008] Preferably, a rotating shaft is provided at the connection between the foot handle and the pressure foot body, and a baffle is provided at the tail end of the pressure foot body, with the baffle located below the foot handle.

[0009] Preferably, the outer wall of the pressure plate is provided with a limiting groove that matches the elastic steel strip, and one end of the elastic steel strip is located in the limiting groove.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. The adjusting plate can slide laterally on the presser foot body. Loosening the bolts releases the constraint on the adjusting plate, allowing the adjusting plate to slide and move the presser foot tongue laterally. This facilitates adjustment of the left and right width of the presser foot tongue, and the width of the fabric can be adjusted as needed for easy sewing.

[0012] 2. The other end of the elastic steel strip extends to the upper part of the pressure foot body, providing elastic pressure to the pressure foot body and compacting the fabric. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a side view cross-sectional structural diagram of the pressure plate body of this utility model;

[0015] Figure 3 This is a top view cross-sectional structural diagram of the compression sleeve of this utility model.

[0016] In the diagram: 1. Presser foot body; 2. Handle; 3. Presser foot tongue; 4. First bolt; 5. Adjustment hole; 6. Protective frame; 7. Second bolt; 8. Third bolt; 9. Elastic steel bar; 10. Adjustment plate; 12. Baffle; 13. Limiting groove. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0018] Please see Figure 1-3The illustration shows a preferred embodiment of the present technical solution, which is a sewing machine presser foot, including a presser foot body 1, a foot handle 2, and a presser foot tongue 3. The foot handle 2 is rotatably connected to the tail end of the presser foot body 1. An adjusting plate 10 is slidably connected to the outer wall of the presser foot body 1. One end of the adjusting plate 10 is fixedly connected to the presser foot tongue 3. An adjusting hole 5 matching a first bolt 4 is opened on the outer wall of the adjusting plate 10. One end of the first bolt 4 is threadedly connected to the presser foot body 1 through the adjusting hole 5. A protective frame 6 is detachably connected to the upper side of the foot handle 2. The other end of the protective frame 6 extends to the working part of the presser foot body 1.

[0019] like Figure 1 , 3 As shown, a flexible steel strip 9 is detachably connected to the side of the foot handle 2. The other end of the flexible steel strip 9 extends and is inserted into the inside of the pressure foot body 1. A second bolt 7 is inserted into the side wall of the flexible steel strip 9. One end of the second bolt 7 is threaded into the inside of the foot handle 2 through the protective frame 6. One end of the flexible steel strip 9 is located between the protective frame 6 and the foot handle 2. The protective frame 6 and the foot handle 2 are firmly connected together by the second bolt 7. The flexible steel strip 9 is fixed by the second bolt 7 and is detachable. The other end of the flexible steel strip 9 extends above the pressure foot body 1 to buffer and compact the pressure foot body 1, thereby increasing the tightness of the fabric compaction.

[0020] like Figure 1 , 2 As shown, the outer wall of the pressure plate body 1 has a threaded hole that matches the first bolt 4. One end of the first bolt 4 is threaded into the threaded hole through the adjusting plate 10. The threaded hole on the outer wall of the pressure plate body 1 is used to fix the adjusting plate 10.

[0021] like Figure 2 , 3 As shown, the outer wall of the foot handle 2 is provided with threaded holes that match the second bolt 7 and the third bolt 8. One end of the second bolt 7 is threadedly connected to the elastic steel strip 9 inside the foot handle 2 through the protective frame 6. One end of the third bolt 8 is threadedly connected to the inside of the foot handle 2 through the protective frame 6. The two threaded holes on the outer wall of the foot handle 2 are used to install the protective frame 6 and the elastic steel strip 9 on the foot handle 2, respectively.

[0022] like Figure 2 , 3 As shown, a rotating shaft (marked in the attached figure) is provided at the connection between the foot handle 2 and the pressure foot body 1. A baffle 12 is provided at the tail end of the pressure foot body 1. The baffle 12 is located below the foot handle 2. The rotating shaft between the foot handle and the pressure foot body 1 allows one end of the foot handle 2 to rotate on the pressure foot body 1. The baffle 12 at the tail end of the pressure foot body 1, located below the foot handle 2, limits the foot handle 2 and prevents the foot handle 2 from rotating to the tail end.

[0023] like Figure 3As shown, the outer wall of the pressure column body 1 is provided with a limiting groove 13 that matches the elastic steel strip 9. One end of the elastic steel strip 9 is located in the limiting groove 13. Through the limiting groove 13 opened on the outer wall of the pressure column body 1, and with one end of the elastic steel strip 9 located in the limiting groove 13, one end of the elastic steel strip 9 is constrained on the pressure column body 1.

[0024] In this embodiment, each part is installed first. When processing the folded fabric, the folded fabric will pass through the gap between the presser foot tongue 3 and the presser foot body. The constraint on the folded fabric extends to the sewing part of the presser foot body 1 for folding and sewing. The adjusting plate 10 can slide laterally on the presser foot body 1. Loosening the bolts will release the constraint on the adjusting plate 10, and the adjusting plate 10 can slide to drive the presser foot tongue 3 to move laterally.

[0025] The protective frame 6 is located at the needle penetration point of the pressure pipe body 1 to protect and prevent workers from touching the working area and getting injured. The elastic steel strip 9 is provided, with one end of the elastic steel strip 9 connected to the foot handle 2. The foot handle 2 is rotatably connected to the pressure pipe body 1, so that the front end of the pressure pipe body 1 can rotate upward. The other end of the elastic steel strip 9 extends to the upper part of the pressure pipe body 1 to provide elastic pressure to the pressure pipe body 1.

[0026] The above description provides a further detailed explanation of the present invention in conjunction with specific embodiments. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present invention.

Claims

1. A sewing machine presser foot, comprising a presser foot body (1), a foot handle (2), and a presser foot tongue (3); wherein the foot handle (2) is rotatably connected to the tail end of the presser foot body (1), characterized in that: An adjusting plate (10) is slidably connected to the outer wall of the presser body (1). One end of the adjusting plate (10) is fixedly connected to the tongue of the presser foot (3). An adjusting hole (5) matching the first bolt (4) is opened on the outer wall of the adjusting plate (10). One end of the first bolt (4) is threadedly connected to the presser body (1) through the adjusting hole (5). A protective frame (6) is detachably connected to the upper side of the foot handle (2). The other end of the protective frame (6) extends to the working part of the presser body (1).

2. A sewing machine presser foot according to claim 1, characterized in that: The foot handle (2) is detachably connected to an elastic steel strip (9) on its side. The other end of the elastic steel strip (9) extends and is inserted into the inside of the pressure foot body (1). A second bolt (7) is inserted into the side wall of the elastic steel strip (9). One end of the second bolt (7) is threaded into the inside of the foot handle (2) through the protective frame (6). One end of the elastic steel strip (9) is located between the protective frame (6) and the foot handle (2). The protective frame (6) and the foot handle (2) are firmly connected together by the second bolt (7).

3. A sewing machine presser foot according to claim 1, characterized in that: The outer wall of the pressure plate body (1) is provided with a threaded hole that matches the first bolt (4), and one end of the first bolt (4) is threadedly connected to the threaded hole through the adjusting plate (10).

4. A sewing machine presser foot according to claim 1, characterized in that: The outer wall of the foot handle (2) is provided with threaded holes that match the second bolt (7) and the third bolt (8). One end of the second bolt (7) is threadedly connected to the elastic steel strip (9) inside the foot handle (2) through the protective frame (6), and one end of the third bolt (8) is threadedly connected to the inside of the foot handle (2) through the protective frame (6).

5. A sewing machine presser foot according to claim 1, characterized in that: A rotating shaft is provided at the connection between the foot handle (2) and the pressure foot body (1), and a baffle (12) is provided at the tail end of the pressure foot body (1), with the baffle (12) located below the foot handle (2).

6. A sewing machine presser foot according to claim 1, characterized in that: The outer wall of the pressure plate body (1) is provided with a limiting groove (13) that matches the elastic steel strip (9), and one end of the elastic steel strip (9) is located in the limiting groove (13).

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