A stabilizing structure for a thread guide bar of a multi-needle sewing machine

Abstract

The utility model belongs to sewing machine technical field, especially point to a kind of for the stabilizing structure of the thread shifting lever of multi-needle sewing machine, it includes slider slide rail group, connecting seat and adjusting lever, the slider slide rail group includes slider and slide rail, the slide rail is fixed on sewing machine body, the slider is slidably arranged on slide rail, the sewing machine body is provided with thread shifting lever, the thread shifting lever moves left and right with sewing machine work, the connecting seat is arranged on slider, one end of the adjusting lever is connected with thread shifting lever, its other end is adjustably connected with connecting seat, the adjusting lever, connecting seat and slider move with thread shifting lever moves, the utility model aims at providing a kind of stabilizing structure for the thread shifting lever of multi-needle sewing machine, which is reasonable in structure and simple, can move with thread shifting lever, and play the stabilizing effect.

Description

Technical Field

[0001] This utility model belongs to the field of sewing machine technology, and specifically refers to a stable structure for the thread guide lever of a multi-needle sewing machine. Background Technology

[0002] A multi-needle sewing machine is a sewing device that can sew multiple stitches simultaneously. It has multiple needles, and correspondingly, multiple threads are fed at the same time. The threads are fed from the loops on the thread holder through the infeed plate and the outlet plate to the needle position. Its core function is multi-needle synchronous sewing, supporting composite processes such as flat stitch, gathering, and pleating. The number of needles in multi-needle sewing machines on the market ranges from 3 to 128. The more needles a multi-needle sewing machine has, the more likely the thread guide lever is to wobble up and down during operation, affecting thread feeding and sewing results. Summary of the Invention

[0003] The purpose of this invention is to provide a stable structure for the thread take-up lever of a multi-needle sewing machine that is reasonable and simple in structure, can move with the thread take-up lever, and plays a stabilizing role.

[0004] The purpose of this utility model is achieved as follows:

[0005] A stabilizing structure for a thread guide lever in a multi-needle sewing machine includes a slider and slide rail assembly, a connecting seat, and an adjusting rod. The slider and slide rail assembly includes a slider and a slide rail. The slide rail is fixed to the sewing machine body, and the slider is slidably mounted on the slide rail. A thread guide lever is mounted on the sewing machine body and moves left and right as the sewing machine operates. The connecting seat is mounted on the slider. One end of the adjusting rod is connected to the thread guide lever, and the other end is adjustablely connected to the connecting seat. The adjusting rod, the connecting seat, and the slider move as the thread guide lever moves.

[0006] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting seat includes a fixed seat and a connecting plate. The connecting plate is fixed on the fixed seat, and an adjusting groove is provided on the connecting plate. The adjusting rod is at least partially located within the adjusting groove.

[0007] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the adjusting rod is provided with external threads, and the adjusting rod is provided with at least two nuts for connecting the connecting plate.

[0008] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting plate is located between two adjacent nuts.

[0009] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting plate is inclinedly mounted on the fixed base.

[0010] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting seat is detachably mounted on the slider.

[0011] In the aforementioned stabilizing structure for the thread take-up lever of a multi-needle sewing machine, the slide rail is located on one side of the thread take-up lever.

[0012] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the slide rail is arranged parallel to the thread guide lever.

[0013] The outstanding and beneficial technical effects of this utility model compared to the prior art are:

[0014] This invention features a stabilizing structure installed on one side of the thread-pulling lever. An adjusting rod is connected to the thread-pulling lever, and the adjusting rod is adjustablely connected to the connecting seat. The connecting seat is connected to the slider rail assembly. In this way, when the thread-pulling lever moves left and right, it can drive the adjusting rod and the connecting seat to move synchronously. The adjusting rod can play a stabilizing role, preventing the thread-pulling lever from wobbling up and down when moving, thus providing thread-pulling and sewing effects. Attached Figure Description

[0015] Figure 1 This is a simplified structural diagram of the present invention;

[0016] Figure 2 This is a structural schematic diagram of the dial lever, slider rail assembly, connecting seat, and adjusting rod of this utility model.

[0017] The meaning of the labels in the diagram:

[0018] 1-Slider and slide rail assembly; 2-Connecting seat; 3-Adjusting rod; 4-Sewing machine body; 11-Slider; 12-Slide rail; 21-Fixed seat; 22-Connecting plate; 23-Adjusting groove; 31-Nut; 41-Thread puller. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments:

[0020] like Figures 1-2The diagram shows a stabilizing structure for a thread guide lever in a multi-needle sewing machine, comprising a slider-rail assembly 1, a connecting seat 2, and an adjusting rod 3. The slider-rail assembly 1 includes a slider 11 and a rail 12. The rail 12 is fixed to the sewing machine body 4. The slider 11 is slidably mounted on the rail 12. A thread guide lever 41 is mounted on the sewing machine body 4 and moves left and right as the sewing machine operates. The connecting seat 2 is mounted on the slider 11. One end of the adjusting rod 3 is connected to the thread guide lever 41. The other end is adjustablely connected to the connecting seat 2. The adjusting rod 3, the connecting seat 2, and the slider 11 move with the thread-pulling rod 41. This utility model installs a stabilizing structure on one side of the thread-pulling rod, connects the adjusting rod to the thread-pulling rod, and the adjusting rod is adjustablely connected to the connecting seat. The connecting seat is connected to the slider slide rail assembly. In this way, when the thread-pulling rod moves left and right, it can drive the adjusting rod and the connecting seat to move synchronously. The adjusting rod can play a stabilizing role, preventing the thread-pulling rod from wobbling up and down when moving, and providing thread pulling and sewing effects.

[0021] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting seat 2 includes a fixed seat 21 and a connecting plate 22. The connecting plate 22 is fixed on the fixed seat 21, and an adjusting groove 23 is provided on the connecting plate 22. The adjusting rod 3 is at least partially located within the adjusting groove 23. The adjusting rod 3 is provided with external threads, and at least two nuts 31 for connecting the connecting plate 22 are provided on the adjusting rod 3. The connecting plate 22 is located between two adjacent nuts 31. Specifically, the adjusting rod can be locked onto the connecting plate by the nuts, and the designed adjusting groove facilitates maintenance and installation personnel in adjusting the angle of the thread guide lever.

[0022] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting plate 22 is inclinedly mounted on the fixed base 21. Specifically, this is to facilitate the locking of the adjusting rod and the connecting rod with a nut.

[0023] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the connecting seat 2 is detachably mounted on the slider 11. Specifically, this is for the convenience of disassembly and maintenance, and the connecting seat and the slider can be connected by bolts (not shown in the figure).

[0024] In the aforementioned stabilizing structure for the thread guide lever of a multi-needle sewing machine, the slide rail 12 is located on one side of the thread guide lever 41, and the slide rail 12 is arranged parallel to the thread guide lever 41. Specifically, this is to ensure that the thread guide lever, slider, fixed seat, and adjusting rod can move smoothly left and right. The connection between the slide rail and the sewing machine is also a detachable connection (not shown in the figure).

[0025] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A stabilizing structure for a thread take-up lever in a multi-needle sewing machine, characterized in that: The sewing machine includes a slider and slide rail assembly (1), a connecting seat (2), and an adjusting rod (3). The slider and slide rail assembly (1) includes a slider (11) and a slide rail (12). The slide rail (12) is fixed on the sewing machine body (4). The slider (11) is slidably mounted on the slide rail (12). The sewing machine body (4) is provided with a thread-pulling rod (41). The thread-pulling rod (41) moves left and right as the sewing machine works. The connecting seat (2) is mounted on the slider (11). One end of the adjusting rod (3) is connected to the thread-pulling rod (41), and the other end is tunably connected to the connecting seat (2). The adjusting rod (3), the connecting seat (2), and the slider (11) move as the thread-pulling rod (41) moves.

2. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 1, characterized in that: The connecting seat (2) includes a fixed seat (21) and a connecting plate (22). The connecting plate (22) is fixed on the fixed seat (21), and the connecting plate (22) is provided with an adjusting groove (23). The adjusting rod (3) is at least partially located in the adjusting groove (23).

3. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 2, characterized in that: The adjusting rod (3) is provided with an external thread, and the adjusting rod (3) is provided with at least two nuts (31) for connecting the connecting plate (22).

4. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 3, characterized in that: The connecting plate (22) is located between two adjacent nuts (31).

5. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 2, characterized in that: The connecting plate (22) is inclinedly mounted on the fixed base (21).

6. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 5, characterized in that: The connecting seat (2) is detachably mounted on the slider (11).

7. The stabilizing structure for a thread guide lever in a multi-needle sewing machine according to claim 1, 2, 3, 4, 5, or 6, characterized in that: The slide rail (12) is located on one side of the dial rod (41).

8. The stabilizing structure for the thread guide lever of a multi-needle sewing machine according to claim 7, characterized in that: The slide rail (12) is arranged parallel to the dial rod (41).

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