Auxiliary presser foot device on computer sewing machine

Abstract

The utility model relates to the technical field of sewing machines, in particular to an auxiliary presser foot device on a computer sewing machine, which comprises a computer sewing machine body and a shell, the lower surface of the computer sewing machine body is fixedly connected with the upper surface of the shell, the lower surface of the shell is fixedly connected with a vertical plate, and the lower surface of a sliding block is fixedly connected with a vertical block. An auxiliary presser foot dismounting structure is arranged on the inner wall of the vertical block, a computer sewing machine adjusting structure is arranged in the shell, through cooperation of the auxiliary presser foot dismounting structure and an iron block, a person manually pulls a first square block rightwards, the first square block moves rightwards to drive a cross rod to slide rightwards in the vertical block, and a square plate is driven to move rightwards to loosen limiting of a presser foot plate; when the presser foot is replaced, an iron block on a new presser foot plate is attracted to a magnet block, then a first square block is loosened, a spring rebounds, a square plate moves rightwards to be progressive to the surface of the new presser foot plate, the presser foot plate is replaced and used, and the device is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to an auxiliary presser foot device on a computer sewing machine. Background Art

[0002] Computerized sewing machines use computerized anatomy to achieve optimized design from the structure of the casing to the tiny parts of each component. As a result, they can suppress noise and vibration to the greatest extent during daily work.

[0003] For example, the auxiliary presser foot device on a computer sewing machine with the authorization announcement number "CN210506748U" is used to solve the problems of existing presser foot devices that require the cooperation of workers to operate, have a large workload, are unsafe, press materials unsteadily, and have poor practicality. However, when the auxiliary presser foot device on the computer sewing machine is performing presser foot work, the downward pressing position needs to be changed. The downward pressing position of the presser foot plate of the device is fixed, and the presser foot position cannot be adjusted. The presser foot work of the device has limitations. At the same time, when the auxiliary presser foot device on the computer sewing machine is working for a long time, the presser foot plate will cause wear and tear, and the presser foot plate needs to be disassembled and replaced, but the presser foot plate of the device cannot be disassembled and replaced, and the use of the device is not convenient. Utility Model Content

[0004] The utility model aims to solve the problems that the pressing position of the presser foot of the device is fixed, the position of the presser foot cannot be adjusted, the presser foot operation of the device has limitations, the presser foot of the device cannot be disassembled and replaced, and the device is not convenient to use, and an auxiliary presser foot device on a computer sewing machine is proposed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An auxiliary presser foot device on a computer sewing machine is designed, comprising a computer sewing machine body and a shell, wherein the lower surface of the computer sewing machine body is fixedly connected to the upper surface of the shell, a vertical plate is fixedly connected to the lower surface of the shell, a sewing needle is installed on the lower surface of the computer sewing machine body, a slideway processed on the lower surface of the computer sewing machine body is slidably connected to the upper surface of a slider, a vertical block is fixedly connected to the lower surface of the slider, an auxiliary presser foot disassembly structure is arranged on the inner wall of the vertical block, and a computer sewing machine adjustment structure is arranged in the shell.

[0007] Preferably, the auxiliary presser foot disassembly structure includes a cross bar and a magnet block, the upper surface of the magnet block is fixedly connected to the inner wall of the vertical block, the surface of the cross bar is slidably connected to the inner wall of the vertical block, the right end of the cross bar is fixedly connected to the first square block, the left end of the cross bar is fixedly connected to the square plate, the surface of the cross bar is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the right side surface of the square plate and the inner wall of the vertical block.

[0008] Preferably, the left side surface of the square plate is in contact with the right side surface of the presser foot, and the left side surface of the presser foot is in contact with the inner wall of the vertical block.

[0009] Preferably, an iron block is adsorbed on the lower surface of the magnet block, and the lower surface of the iron block is fixedly connected to the upper end of the presser foot.

[0010] Preferably, the computer sewing machine adjustment structure includes a wide plate, the upper end of the wide plate is slidably connected to a slideway processed on the inner wall of the shell, a narrow plate is fixedly connected to the surface of the wide plate, the narrow plate passes through the shell and is socketed with the shell, a slide groove processed in the wide plate is slidably connected to a cylinder protruding from the first straight rod, the first straight rod is fixedly connected to the upper end of the second straight rod by a rivet, the second straight rod is movably connected to the inner wall of the shell by a pin, the second straight rod passes through the shell and is slidably connected to the slideway processed on the shell, and the lower end of the second straight rod is fixedly connected to the second block by a rivet.

[0011] Preferably, one end of the narrow plate is fixedly connected to the surface of the slider, and the second block and the vertical plate are both machined with internal threaded holes.

[0012] The utility model provides an auxiliary presser foot device on a computer sewing machine, and the beneficial effects are as follows: through the cooperation of the adjustment structure of the computer sewing machine and the slider, the second block is manually pushed left and right, and the left and right movement of the second block can drive the second straight rod to slide left and right on the slideway processed on the shell, and the second straight rod swings left and right on the inner wall of the shell at the same time, and the left and right swing of the second straight rod can drive the first straight rod to move left and right, through the protruding cylinder on the first straight rod and the slideway processed in the wide plate, the cylinder is driven to slide in the slideway, and the wide plate is driven to slide left and right on the slideway processed on the inner wall of the shell, and the narrow plate is driven to move left and right in the shell, and the slider is driven to slide left and right on the slideway processed on the lower surface of the computer sewing machine body, and the vertical block is driven to move left and right, and the presser foot plate is driven to move left and right, so that the working position of the presser foot is adjusted, and the working limitations of the presser foot of the equipment are reduced;

[0013] Through the cooperation of the auxiliary presser foot disassembly structure and the iron block, the personnel manually pulls the first block to the right. The first block moves to the right, driving the cross bar to slide to the right in the vertical block, driving the square plate to move to the right to release the limit on the presser foot, and at the same time squeezing the spring. Then the presser foot is taken out to separate the iron block from the magnet block, and then a new presser foot is placed in the vertical block, so that the iron block on the new presser foot is adsorbed by the magnet block, and then the first block is released to make the spring rebound, so that the square plate moves to the right and is progressively aligned with the surface of the new presser foot. The presser foot can be replaced and used, and the equipment is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A partial front cross-sectional view of

[0016] Figure 3 for Figure 1 A partial right side sectional view of;

[0017] Figure 4 for Figure 1 A partial front cross-sectional view of

[0018] Figure 5 A front sectional view of the housing and the adjustment structure of the computerized sewing machine;

[0019] Figure 6 for Figure 2 Schematic diagram of part A;

[0020] Figure 7 It is a three-dimensional diagram of the second block and the vertical plate.

[0021] In the figure: 1. computer sewing machine body, 2. vertical block, 3. slider, 4. computer sewing machine adjustment structure, 401. wide plate, 402. first straight rod, 403. second straight rod, 404. narrow plate, 405. second square block, 5. shell, 6. internal threaded hole, 7. vertical plate, 8. presser foot plate, 9. auxiliary presser foot disassembly structure, 901. cross bar, 902. magnet block, 903. square plate, 904. spring, 905. first square block, 10. sewing needle, 11. iron block. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Refer to the attached Figure 1-7 :

[0024] In the present embodiment, an auxiliary presser foot device on a computer sewing machine comprises a computer sewing machine body 1 and a shell 5, wherein the lower surface of the computer sewing machine body 1 is fixedly connected to the upper surface of the shell 5, a vertical plate 7 is fixedly connected to the lower surface of the shell 5, a sewing needle 10 is installed on the lower surface of the computer sewing machine body 1, a slideway processed on the lower surface of the computer sewing machine body 1 is slidably connected to the upper surface of a slider 3, the slider 3 can slide left and right on the slideway processed on the lower surface of the computer sewing machine body 1, a vertical block 2 is fixedly connected to the lower surface of the slider 3, the left and right movement of the slider 3 can drive the vertical block 2 to move left and right, an auxiliary presser foot disassembly structure 9 is provided on the inner wall of the vertical block 2, and a computer sewing machine adjustment structure 4 is provided in the shell 5;

[0025] The left side surface of the square plate 903 is in contact with the right side surface of the presser foot 8, and the left side surface of the presser foot 8 is in contact with the inner wall of the vertical block 2. The lower surface of the magnet block 902 is adsorbed with an iron block 11, and the magnet block 902 can fix the position of the iron block 11. The lower surface of the iron block 11 is fixedly connected to the upper end of the presser foot 8. One end of the narrow plate 404 is fixedly connected to the surface of the slider 3. The narrow plate 404 can move left and right to drive the slider 3 to move left and right. The second square block 405 and the vertical plate 7 are both processed with internal threaded holes 6.

[0026] Refer to the attached Figure 1-4 and Figure 6 :

[0027] The auxiliary presser foot disassembly structure 9 includes a cross bar 901 and a magnet block 902. The upper surface of the magnet block 902 is fixedly connected to the inner wall of the vertical block 2. The surface of the cross bar 901 is slidably connected to the inner wall of the vertical block 2. The cross bar 901 can move left and right in the vertical block 2. The right end of the cross bar 901 is fixedly connected to the first block 905. Pulling the first block 905 can drive the cross bar 901 to move left and right. The left end of the cross bar 901 is fixedly connected to the square plate 903. The left and right movement of the cross bar 901 can drive the square plate 903 to move left and right. A spring 904 is sleeved on the surface of the cross bar 901. The two ends of the spring 904 are respectively fixedly connected to the right side surface of the square plate 903 and the inner wall of the vertical block 2. The elastic coefficient of the spring 904 can meet the working needs according to actual needs.

[0028] Refer to the attached Figure 1-2 , Figure 4-5 and Figure 7 :

[0029] The computer sewing machine adjustment structure 4 includes a wide plate 401, the upper end of the wide plate 401 is slidably connected to a slideway processed on the inner wall of the shell 5, the wide plate 401 can slide left and right on the slideway processed on the inner wall of the shell 5, a narrow plate 404 is fixedly connected to the surface of the wide plate 401, the narrow plate 404 penetrates the shell 5 and is connected to the shell 5, the left and right movement of the wide plate 401 can drive the narrow plate 404 to move left and right in the shell 5, the slide groove processed in the wide plate 401 is slidably connected to the protruding cylinder on the first straight rod 402, and the left and right movement of the first straight rod 402 can drive the wide plate 40 1 moves left and right, the first straight rod 402 is fixedly connected to the upper end of the second straight rod 403 through a rivet, the second straight rod 403 is movably connected to the inner wall of the shell 5 through a pin shaft, the second straight rod 403 swings left and right in the shell 5 to drive the first straight rod 402 to move left and right, the second straight rod 403 penetrates the shell 5 and is slidably connected to a slideway processed on the shell 5, the lower end of the second straight rod 403 is fixedly connected to the second block 405 through a rivet, and the second block 405 moves left and right to drive the second straight rod 403 to slide left and right on the slideway processed on the shell 5.

[0030] Working principle:

[0031] Computer sewing machine adjustment work:

[0032] Manually push the second block 405 left and right. The left and right movement of the second block 405 can drive the second straight rod 403 to slide left and right on the slideway processed on the shell 5. The second straight rod 403 swings left and right on the inner wall of the shell 5 at the same time. The left and right swing of the second straight rod 403 can drive the first straight rod 402 to move left and right. Through the protruding cylinder on the first straight rod 402 and the slideway processed in the wide plate 401, the cylinder is driven to slide in the slideway, and the wide plate 401 is pushed to slide left and right on the slideway processed on the inner wall of the shell 5, and the narrow plate 404 is driven to move left and right in the shell 5, and the slider 3 is driven to slide left and right on the slideway processed on the lower surface of the computer sewing machine body 1, and the vertical block 2 is driven to move left and right. At the same time, the presser foot plate 8 is driven to move left and right to adjust the working position of the presser foot. After adjusting the position of the presser foot, stop pushing the second block 405, and fix the position of the second block 405 and the vertical plate 7 by bolts passing through the two internal threaded holes 6 to fix the adjusted position.

[0033] Auxiliary presser foot removal work:

[0034] When the presser foot 8 needs to be disassembled and replaced, the personnel manually pulls the first block 905 to the right, and the first block 905 moves to the right, driving the cross bar 901 to slide to the right in the vertical block 2, driving the square plate 903 to move to the right to release the limit on the presser foot 8, and at the same time squeezing the spring 904, and then taking out the presser foot 8 to separate the iron block 11 from the magnet block 902, and then placing a new presser foot 8 in the vertical block 2, so that the iron block 11 on the new presser foot 8 is adsorbed by the magnet block 902, and then releasing the first block 905, so that the spring 904 rebounds, and the square plate 903 moves to the right and is progressively engaged with the surface of the new presser foot 8, and the presser foot 8 is replaced and used.

[0035] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An auxiliary presser foot device for a computer sewing machine, comprising a computer sewing machine body (1) and a housing (5), wherein the lower surface of the computer sewing machine body (1) is fixedly connected to the upper surface of the housing (5), and characterized in that: The lower surface of the shell (5) is fixedly connected to a vertical plate (7), the lower surface of the computer sewing machine body (1) is equipped with a sewing needle (10), the slideway processed on the lower surface of the computer sewing machine body (1) is slidably connected to the upper surface of the slider (3), the lower surface of the slider (3) is fixedly connected to a vertical block (2), the inner wall of the vertical block (2) is provided with an auxiliary presser foot disassembly structure (9), and the shell (5) is provided with a computer sewing machine adjustment structure (4).

2. The auxiliary presser foot device for a computer sewing machine according to claim 1, characterized in that: The auxiliary presser foot disassembly structure (9) comprises a cross bar (901) and a magnet block (902); the upper surface of the magnet block (902) is fixedly connected to the inner wall of the vertical block (2); the surface of the cross bar (901) is slidably connected to the inner wall of the vertical block (2); the right end of the cross bar (901) is fixedly connected to a first square block (905); the left end of the cross bar (901) is fixedly connected to a square plate (903); the surface of the cross bar (901) is sleeved with a spring (904); the two ends of the spring (904) are respectively fixedly connected to the right side surface of the square plate (903) and the inner wall of the vertical block (2).

3. The auxiliary presser foot device for a computerized sewing machine according to claim 2, characterized in that: The left side surface of the square plate (903) is in contact with the right side surface of the presser foot plate (8), and the left side surface of the presser foot plate (8) is in contact with the inner wall of the vertical block (2).

4. The auxiliary presser foot device for a computerized sewing machine according to claim 2, characterized in that: An iron block (11) is adsorbed on the lower surface of the magnet block (902), and the lower surface of the iron block (11) is fixedly connected to the upper end of the presser foot plate (8).

5. The auxiliary presser foot device for a computerized sewing machine according to claim 1, characterized in that: The computer sewing machine adjustment structure (4) comprises a wide plate (401), the upper end of the wide plate (401) is slidably connected to a slideway processed on the inner wall of the shell (5), a narrow plate (404) is fixedly connected to the surface of the wide plate (401), the narrow plate (404) penetrates the shell (5) and is sleeved with the shell (5), a slide groove processed in the wide plate (401) is slidably connected to a cylindrical protrusion on the first straight rod (402), the first straight rod (402) is fixedly connected to the upper end of the second straight rod (403) by a rivet, the second straight rod (403) is movably connected to the inner wall of the shell (5) by a pin shaft, the second straight rod (403) penetrates the shell (5) and is slidably connected to the slideway processed on the shell (5), and the lower end of the second straight rod (403) is fixedly connected to a second block (405) by a rivet.

6. The auxiliary presser foot device for a computerized sewing machine according to claim 5, characterized in that: One end of the narrow plate (404) is fixedly connected to the surface of the slider (3), and the second block (405) and the vertical plate (7) are both machined with internal threaded holes (6).

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