Presser foot of embroidery machine

Abstract

The utility model belongs to the technical field of embroidery machines, in particular to a presser foot of an embroidery machine, which comprises an upper connecting piece, a pressing part, a lower connecting piece and a presser foot part, the upper connecting piece is arranged on the front side of a needle bar, the lower end of the upper connecting piece is connected with the pressing part, the pressing part is slidably sleeved on the needle bar, the upper end of the lower connecting piece is connected with the pressing part, and the lower end of the lower connecting piece is connected with the presser foot part. The lower connecting piece is located on the left side or the right side of the needle rod. The distance between the pattern and the edge is small, the embroidering area is large, and the breadth is large.

Description

Technical field:

[0001] The utility model belongs to the technical field of embroidery machines, in particular to a presser foot of an embroidery machine. Background technology:

[0002] The embroidery machine is also a common industrial sewing machine. It is a high-precision sewing machine, mainly used for embroidering various patterns, designs, letters, etc.

[0003] The Chinese utility model patent (publication number CN213652893U, application date 2020.11.13, publication date 2021.07.09) discloses an embroidery machine presser foot mechanism, including a presser foot body, the presser foot body includes an upper connecting member and a lower connecting member, the upper connecting member is installed on the embroidery machine head, the lower end of the lower connecting member is connected to the presser foot part, the lower connecting member can be adjusted up and down relative to the upper connecting member and fixed by bolts. Figure 1-5 It can be clearly seen that the upper connecting piece is connected to the needle bar sleeve and is located at the front side of the needle bar, and the lower connecting piece is located at the rear side of the needle bar.

[0004] The disadvantage of the presser foot mechanism of the embroidery machine is that during the embroidery process, the lower connecting piece will conflict with the embroidery frame, which will lead to a large distance between the pattern and the edge, a small embroidery area and a small format. Summary of the invention:

[0005] The utility model aims to provide a presser foot of an embroidery machine, which has a small distance between a pattern and an edge, a large embroidery area and a large format.

[0006] The utility model is achieved in this way:

[0007] A presser foot of an embroidery machine comprises an upper connecting piece, a pressing part, a lower connecting piece and a presser foot part, wherein the upper connecting piece is arranged on the front side of a needle bar, the lower end of the upper connecting piece is connected to the pressing part, the pressing part is slidably sleeved on the needle bar, the upper end of the lower connecting piece is connected to the pressing part, and the lower end is connected to the presser foot part, and the lower connecting piece is located on the left side or the right side of the needle bar.

[0008] In the above-mentioned presser foot of an embroidery machine, the upper connecting member is a flat plate arranged vertically and longitudinally.

[0009] In the above-mentioned presser foot of an embroidery machine, the lower connecting member is a flat plate arranged vertically and laterally, and the width of the lower connecting member gradually decreases from top to bottom.

[0010] In the above-mentioned presser foot of an embroidery machine, the front side surface of the lower connecting member is an inclined surface which gradually tilts backward from top to bottom, and the rear side surface of the lower connecting member is a plane which is vertical to the longitudinal direction.

[0011] In the above-mentioned presser foot of an embroidery machine, a through hole is provided in the presser foot, and the outer peripheral surface of the presser foot includes a cylindrical surface coaxial with the through hole and a plane 2 flush with the plane 1, and the distance between the plane 2 and the axis of the through hole is less than the radius of the cylindrical surface.

[0012] In the above-mentioned presser foot of an embroidery machine, the upper end of the lower connecting member is connected to the pressing part through the upper arc plate, and the lower end is connected to the presser foot part through the lower arc plate.

[0013] In the above-mentioned presser foot of an embroidery machine, the upper arc plate is arc-shaped, and the lower arc plate includes an arc plate 1 whose upper end is connected to the lower connecting piece and an arc plate 2 whose lower end is connected to the presser foot part, and both the arc plate 1 and the arc plate 2 are arc-shaped.

[0014] In the above-mentioned presser foot of an embroidery machine, the lower end of the upper connecting member is connected to the pressing portion through an arc plate.

[0015] In the above-mentioned presser foot of an embroidery machine, the upper connecting member, the pressing portion, the lower connecting member and the presser foot portion are an integrated structure.

[0016] In the above-mentioned presser foot of an embroidery machine, the needle bar outer sliding sleeve is provided with a needle bar sleeve, the lower end of the needle bar sleeve is provided with a connecting block, and the upper connecting piece is connected to the connecting block by screws.

[0017] In the above-mentioned presser foot of an embroidery machine, the upper end of the upper connecting member is provided with a long hole arranged vertically along the length direction, and the screw passes through the long hole and is screwed to the connecting block.

[0018] The outstanding advantages of the utility model compared with the prior art are:

[0019] 1. The utility model sets the lower connecting piece on the left side of the needle bar, and there is no obstruction of the lower connecting piece between the embroidery needle and the embroidery frame. The distance between the pattern and the edge is small, the embroidery area is large, and the format is large;

[0020] 2. The front side of the lower connecting piece of the utility model is an inclined plane that gradually tilts backward from top to bottom, and the rear side of the lower connecting piece is a vertical longitudinal plane. While ensuring the strength of the lower connecting piece, it is possible to avoid the lower connecting piece from conflicting with the embroidery frame to affect the size of the format;

[0021] 3. A through hole is provided in the presser foot of the utility model, and the outer peripheral surface of the presser foot includes a cylindrical surface coaxial with the through hole and a plane 2 flush with the plane 1. The distance between the plane 2 and the axis of the through hole is smaller than the radius of the cylindrical surface, further reducing the distance between the embroidery needle and the embroidery frame. Description of the drawings:

[0022] Figure 1 It is a three-dimensional diagram of the first embodiment of the utility model;

[0023] Figure 2 The three-dimensional presser foot of the first embodiment of the utility model Figure 1 ;

[0024] Figure 3 The three-dimensional presser foot of the first embodiment of the utility model Figure 2 ;

[0025] Figure 4 It is a three-dimensional diagram of the second embodiment of the utility model;

[0026] Figure 5 The three-dimensional presser foot of the second embodiment of the utility model Figure 1 ;

[0027] Figure 6 The three-dimensional presser foot of the second embodiment of the utility model Figure 2 .

[0028] Figure numerals: 1, upper connecting piece; 2, pressing part; 3, lower connecting piece; 4, presser foot; 5, needle bar; 6, inclined plane; 7, plane one; 8, through hole; 9, cylindrical surface; 10, plane two; 11, upper arc plate; 12, lower arc plate; 13, needle bar sleeve; 14, connecting block; 15, screw; 16, long hole; 17, arc plate; 18, embroidery needle. Specific implementation method:

[0029] The present invention is further described below with reference to specific embodiments. Figure 1 —6:

[0030] Example 1: See Figure 1-3 :

[0031] A presser foot of an embroidery machine comprises an upper connecting member 1, a pressing portion 2, a lower connecting member 3 and a presser foot portion 4, wherein the upper connecting member 1 is arranged on the front side of a needle bar 5, the lower end of the upper connecting member 1 is connected to the pressing portion 2, the pressing portion 2 is slidably mounted on the needle bar 5, the upper end of the lower connecting member 3 is connected to the pressing portion 2, and the lower end is connected to the presser foot portion 4, and the lower connecting member 3 is located on the left side of the needle bar 5.

[0032] Furthermore, an embroidery needle 18 is provided at the lower end of the needle bar 5 .

[0033] In this embodiment, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.

[0034] like Figure 1-3 As shown, in this embodiment, the lower connecting member 3 is arranged on the left side of the needle rod 5, and there is no obstruction of the lower connecting member 3 between the embroidery needle 18 and the embroidery frame. The distance between the pattern and the edge is small, the embroidery area is large, and the format is large.

[0035] Furthermore, the upper connecting member 1 is a flat plate arranged vertically and longitudinally.

[0036] While ensuring the connection strength, the space occupied by the lower connecting member 3 is reduced as much as possible, such as Figure 1-3 As shown, the lower connecting member 3 is a flat plate arranged vertically and laterally, and the width of the lower connecting member 3 gradually decreases from top to bottom.

[0037] In order to avoid the lower connecting member 3 from interfering with the embroidery frame and affecting the size of the embroidery pattern, the front side of the lower connecting member 3 is a slope 6 which gradually tilts backward from top to bottom, and the rear side of the lower connecting member 3 is a vertical longitudinal plane 7.

[0038] In order to further reduce the distance between the embroidery needle 18 and the embroidery frame, Figure 2 , 3 As shown, the presser foot portion 4 is provided with a through hole 8, and the outer circumferential surface of the presser foot portion 4 includes a cylindrical surface 9 coaxial with the through hole 8 and a plane 2 10 flush with the plane 1 7, and the distance between the plane 2 10 and the axis of the through hole 8 is smaller than the radius of the cylindrical surface 9.

[0039] Preferably, the upper end of the lower connecting member 3 is connected to the pressing portion 2 via an upper arc plate 11 , and the lower end is connected to the pressing foot portion 4 via a lower arc plate 12 .

[0040] Furthermore, the upper arc plate 11 is arc-shaped, and the lower arc plate 12 includes an arc plate 1 whose upper end is connected to the lower connecting member 3 and an arc plate 2 whose lower end is connected to the presser foot 4, and both the arc plate 1 and the arc plate 2 are arc-shaped.

[0041] Furthermore, the lower end of the upper connecting member 1 is connected to the pressing portion 2 via an arc plate 17 .

[0042] In order to reduce the number of assembly steps and improve the connection strength, the upper connecting member 1, the pressing portion 2, the lower connecting member 3 and the pressing foot portion 4 are an integrated structure.

[0043] The installation structure of the upper connecting member 1: Figure 1 As shown, the needle bar 5 is slidably sleeved with a needle bar sleeve 13, and a connecting block 14 is provided at the lower end of the needle bar sleeve 13. The upper connecting member 1 is connected to the connecting block 14 by a screw 15.

[0044] In order to adjust the vertical position of the utility model, the upper end of the upper connecting member 1 is provided with an elongated hole 16 arranged vertically along the length direction, and the screw 15 passes through the elongated hole 16 and is screwed to the connecting block 14.

[0045] Example 2: See Figure 4-6 :

[0046] The structure of this embodiment is basically the same as that of the above-mentioned embodiment 1, and the main difference is that the lower connecting member 3 is located on the right side of the needle rod 5.

[0047] like Figure 4-6 As shown, in this embodiment, the lower connecting member 3 is arranged on the right side of the needle rod 5, and there is no obstruction of the lower connecting member 3 between the embroidery needle 18 and the embroidery frame. The distance between the pattern and the edge is small, the embroidery area is large, and the format is large.

[0048] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A presser foot for an embroidery machine, characterized in that: The invention comprises an upper connecting member (1), a pressing portion (2), a lower connecting member (3) and a presser foot portion (4); the upper connecting member (1) is arranged on the front side of a needle bar (5); the lower end of the upper connecting member (1) is connected to the pressing portion (2); the pressing portion (2) is slidably mounted on the needle bar (5); the upper end of the lower connecting member (3) is connected to the pressing portion (2) and the lower end is connected to the presser foot portion (4); the lower connecting member (3) is located on the left or right side of the needle bar (5).

2. The presser foot of an embroidery machine according to claim 1, characterized in that: The lower connecting member (3) is a flat plate arranged vertically and laterally, and the width of the lower connecting member (3) gradually decreases from top to bottom.

3. The presser foot of an embroidery machine according to claim 2, characterized in that: The front side surface of the lower connecting member (3) is an inclined surface (6) which gradually tilts backward from top to bottom, and the rear side surface of the lower connecting member (3) is a plane (7) which is vertical to the longitudinal direction.

4. The presser foot of an embroidery machine according to claim 3, characterized in that: The presser foot portion (4) is provided with a through hole (8), and the outer peripheral surface of the presser foot portion (4) includes a cylindrical surface (9) coaxial with the through hole (8) and a second plane (10) flush with the first plane (7), and the distance between the second plane (10) and the axis of the through hole (8) is smaller than the radius of the cylindrical surface (9).

5. The presser foot of an embroidery machine according to claim 1, characterized in that: The upper end of the lower connecting member (3) is connected to the pressing portion (2) via an upper arc plate (11), and the lower end is connected to the pressing foot portion (4) via a lower arc plate (12).

6. The presser foot of an embroidery machine according to claim 1, characterized in that: The upper connecting piece (1), the pressing part (2), the lower connecting piece (3) and the pressing foot part (4) are an integrated structure.

7. The presser foot of an embroidery machine according to claim 1, characterized in that: The needle bar (5) is slidably sleeved with a needle bar sleeve (13), the lower end of the needle bar sleeve (13) is provided with a connecting block (14), and the upper connecting member (1) is connected to the connecting block (14) by means of a screw (15).

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