Multifunctional zipper overlock presser foot
By designing a multi-functional zipper overlock foot, the problem of the single function of traditional tools is solved, and the efficiency of stable overlocking and sewing in multi-layer fabric splicing is achieved, which facilitates the completion of complex sewing tasks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI ZHENAO BIOTECH
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional zipper overlocking tools have limited functionality and cannot meet diverse sewing needs, nor can they adapt to the high-efficiency and multi-functional requirements of modern production.
A multi-functional zipper overlock presser foot has been designed, including a main frame, a slider, a presser foot assembly, a stud, and a handle. By sliding the slider and adjusting the tilt, it can achieve stable positioning and convenient movement of the zipper, making it suitable for complex sewing tasks.
It achieves a stable overlocking effect on fabrics of different thicknesses, ensuring sewing precision, facilitating the splicing of multiple layers of fabric, and improving the convenience and stability of sewing.
Smart Images

Figure CN224243406U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of fabric processing technology, and in particular to a multifunctional zipper overlock presser foot. Background Technology
[0002] Currently, zipper installation is a common process in the textile processing industry.
[0003] Traditional zipper overlocking tools are usually single-function and cannot meet a variety of different sewing needs. As the market demands higher efficiency and versatility, existing single-function zipper overlocking tools are gradually becoming inadequate for modern production needs. Utility Model Content
[0004] In view of the shortcomings of the prior art, this utility model provides a multi-functional zipper edge locking presser foot, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.
[0005] To achieve the above objectives, this application adopts the following technical solution: a multi-functional zipper edge-locking presser foot, comprising a main frame, a groove being provided on the top of the main frame, a slider being slidably connected to the inner wall of the groove, a presser foot assembly being fixedly installed on the top of the slider, a stud being threadedly connected to the top of the presser foot assembly, and a handle being fixedly installed on the top of the stud.
[0006] In a preferred embodiment, the presser foot assembly includes a movable plate, which is fixedly connected to the top of the slider. The top of the movable plate has a through groove, and one side of the movable plate has a square groove communicating with the through groove. A sliding plate is slidably connected to the inner wall of the square groove. A base presser foot is fixedly installed on one side of the sliding plate, and an auxiliary presser foot is installed on the top of the base presser foot.
[0007] By adopting the above technical solution, an auxiliary presser foot can be used to position the zipper, ensuring convenience when sewing zippers. The sliding plate can move within the inner wall of the square groove to move the position of the basic presser foot, thus facilitating movement over a wider range and making it suitable for more complex sewing tasks, such as splicing multiple layers of fabric.
[0008] In a preferred embodiment, the inner wall of the slide plate is threaded with a bolt three, which passes through the inner wall of the through groove.
[0009] By adopting the above technical solution, it is possible to lock and position the skateboard, so that the skateboard will not easily shift after the base presser foot is moved to the appropriate position.
[0010] In a preferred embodiment, the main frame is fixedly installed to the sewing machine by bolts.
[0011] By adopting the above technical solution, the main frame can be stably installed on the top of the sewing machine using bolts, thereby ensuring that the presser foot assembly will not easily shake during use.
[0012] In a preferred embodiment, there are two presser foot assemblies. The top of the main frame is rotatably connected to a connecting rod by bolt two, and the side of the connecting rod away from bolt two is fixedly connected to another presser foot assembly.
[0013] By adopting the above technical solution, the presser foot assembly can be connected to the main frame, thereby making it easy to adjust the tilt of the presser foot assembly, which facilitates the positioning of the fabric at different positions.
[0014] In a preferred embodiment, the studs are threaded to the inner walls of the pressure foot assembly and the slider, respectively, and multiple protrusions are fixedly installed on the outer edge of the handle.
[0015] By adopting the above technical solution, the stud can be used to position the slider, ensuring that the slider can be stably positioned on the inner wall of the groove. The protrusions also increase the ease of use for the user when rotating the stud, making it easier to apply force with the hand.
[0016] In a preferred embodiment, the size of the slider is adapted to the inner wall size of the groove.
[0017] By adopting the above technical solution, it can be ensured that the slider will not easily swing left and right when it moves on the inner wall of the groove.
[0018] The beneficial effects of this application are:
[0019] 1. This multi-functional zipper overlock presser foot can move the basic presser foot position by pulling the slide plate along the inner wall of the square groove, thus facilitating movement over a wider range. It is suitable for more complex sewing tasks, such as splicing multiple layers of fabric, and can maintain a stable overlock effect on fabrics of different thicknesses, ensuring sewing accuracy. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this application;
[0021] Figure 2 This is a schematic diagram of the presser foot assembly structure of this application;
[0022] Figure 3 This is a schematic cross-sectional view of the main frame structure of this application.
[0023] Numbered in the diagram: 1. Main frame; 2. Bolt 1; 3. Slide groove; 4. Slider; 5. Presser foot assembly; 501. Moving plate; 502. Through groove; 503. Square groove; 504. Bolt 3; 505. Basic presser foot; 506. Slide plate; 507. Auxiliary presser foot; 6. Stud; 7. Handle; 8. Connecting rod; 9. Bolt 2. Detailed Implementation
[0024] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.
[0025] Reference Figure 1-3 A multifunctional zipper edge-locking presser foot includes a main frame 1, a groove 3 on the top of the main frame 1, a slider 4 slidably connected to the inner wall of the groove 3, a presser foot assembly 5 fixedly installed on the top of the slider 4, a stud 6 threadedly connected to the top of the presser foot assembly 5, and a handle 7 fixedly installed on the top of the stud 6.
[0026] See Figure 1 - Figure 3 The presser foot assembly 5 includes a movable plate 501, which is fixedly connected to the top of the slider 4. A through groove 502 is provided on the top of the movable plate 501, and a square groove 503 is provided on one side of the movable plate 501, which communicates with the through groove 502. A sliding plate 506 is slidably connected to the inner wall of the square groove 503. A basic presser foot 505 is fixedly installed on one side of the sliding plate 506. An auxiliary presser foot 507 is installed on the top of the basic presser foot 505, so that the auxiliary presser foot 507 can be used to position the zipper, ensuring convenience when sewing zippers. The sliding plate 506 can also slide within the inner wall of the square groove 503 to move the position of the basic presser foot 505, thereby facilitating movement over a wider range and making it suitable for more complex sewing tasks, such as splicing multiple layers of fabric.
[0027] See Figure 2 The inner wall of the slide plate 506 is threaded with bolt 3 504. Bolt 3 504 passes through the inner wall of the through groove 502, so that it can be used to lock and position the slide plate 506, so that the slide plate 506 will not easily shift after the base presser foot 505 is moved to the appropriate position.
[0028] See Figure 1 and Figure 2 The main frame 1 is fixed to the sewing machine by bolt 2, so that the main frame 1 can be stably installed on the top of the sewing machine by bolt 2, thereby ensuring that the presser foot assembly 5 will not easily shake during use.
[0029] See Figure 1There are two presser foot assemblies 5. The top of the main frame 1 is rotatably connected to a connecting rod 8 by bolt 2 9. The side of the connecting rod 8 away from bolt 2 9 is fixedly connected to another presser foot assembly 5, so that the presser foot assembly 5 can be connected to the main frame 1. This allows for easy adjustment of the tilt of the presser foot assembly 5, which facilitates positioning of the fabric at different positions.
[0030] See Figure 3 The studs 6 are threaded to the inner walls of the presser foot assembly 5 and the slider 4 respectively. Multiple protrusions are fixedly installed on the outer edge of the handle 7, so that the studs 6 can be used to position the slider 4, ensuring that the slider 4 can be stably positioned on the inner wall of the groove 3. The protrusions also increase the convenience for the user to rotate the studs 6, making it easier to apply force with the hand.
[0031] See Figure 3 The size of the slider 4 is matched with the inner wall size of the groove 3, so that the slider 4 will not easily swing left and right when it moves on the inner wall of the groove 3.
[0032] Working principle: When using this device, the slide plate 506 can be pulled to move within the inner wall of the square groove 503, thereby moving the position of the base presser foot 505. This allows for movement within a wider range, making it suitable for more complex sewing tasks, such as splicing multiple layers of fabric. Then, the bolt 3 504 can be tightened to position the slide plate 506. The base presser foot 505 can then be used to position the fabric, while the auxiliary presser foot 507 is used to position the zipper, ensuring convenience during sewing.
[0033] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0035] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.
Claims
1. A multifunctional zipper overlock presser foot, comprising a main frame (1), characterized in that, The top of the main frame (1) is provided with a slide groove (3), and a slider (4) is slidably connected to the inner wall of the slide groove (3). A presser foot assembly (5) is fixedly installed on the top of the slider (4), and a stud (6) is threadedly connected to the top of the presser foot assembly (5). A handle (7) is fixedly installed on the top of the stud (6).
2. The multifunctional zipper edge-locking presser foot according to claim 1, characterized in that, The presser foot assembly (5) includes a movable plate (501), which is fixedly connected to the top of the slider (4). A through groove (502) is provided on the top of the movable plate (501), and a square groove (503) is provided on one side of the movable plate (501) to communicate with the through groove (502). A sliding plate (506) is slidably connected to the inner wall of the square groove (503). A base presser foot (505) is fixedly installed on one side of the sliding plate (506), and an auxiliary presser foot (507) is installed on the top of the base presser foot (505).
3. The multifunctional zipper edge-locking presser foot according to claim 2, characterized in that, The inner wall of the slide plate (506) is threaded with bolt three (504), which passes through the inner wall of the through groove (502).
4. The multifunctional zipper edge-locking presser foot according to claim 1, characterized in that, The main frame (1) is fixedly installed to the sewing machine by bolts (2).
5. A multifunctional zipper edge-locking presser foot according to claim 1, characterized in that, There are two presser foot assemblies (5). The top of the main frame (1) is rotatably connected to a connecting rod (8) by bolt two (9). The side of the connecting rod (8) away from bolt two (9) is fixedly connected to another presser foot assembly (5).
6. The multifunctional zipper edge-locking presser foot according to claim 1, characterized in that, The stud (6) is threaded to the inner wall of the presser foot assembly (5) and the slider (4) respectively, and multiple protrusions are fixedly installed on the outer edge of the handle (7).
7. A multifunctional zipper edge-locking presser foot according to claim 1, characterized in that, The dimensions of the slider (4) are adapted to the inner wall dimensions of the groove (3).