CN205024430U

CN205024430U - Sewing machine's end of a thread clamping mechanism

Info

Publication number: CN205024430U
Application number: CN201520594235.8U
Authority: CN
Inventors: 郭创华
Original assignee: ZHUHAI YUNKONG RUIQI NC TECHNOLOGY Co Ltd
Current assignee: ZHUHAI YUNKONG RUIQI NC TECHNOLOGY Co Ltd
Priority date: 2015-08-07
Filing date: 2015-08-07
Publication date: 2016-02-10
Anticipated expiration: 2025-08-07

Abstract

The utility model discloses a sewing machine's end of a thread clamping mechanism, including mount pad and group wire hook, be equipped with clamp and lower clamp on the mount pad, go up the clamp and be equipped with reset spring down between the clamp, group wire hook sets up on last clamp, and upward the clamp front end has still set firmly double -layered line window, and lower clamp front end has set firmly grabs the fastener. This clamping mechanism passes through reset spring and make to go up clamp and clamp move down, grabs the fastener and presss from both sides the line window and be close to and clip the sewing thread, in order to prevent that the unnecessary partial end of a thread of sewing thread from the winding appearing and living in phenomenons such as clamp, dials wire hook and hooks the end of a thread of sewing thread and insert and put in dialling between wire hook and the last clamp to straighten the end of a thread of sewing thread in order, the operation of messenger's equipment is smooth and easy, convenient operation.

Description

A kind of the end of a thread clamp system of Sewing machines

Technical field

The utility model relates to Sewing machines field, particularly relates to a kind of the end of a thread clamp system of Sewing machines.

Background technology

Operationally, sewing thread, through the pin hole of suture needle, drives sewing thread repeatedly to realize the stitching of clothing through clothing by the reciprocating motion of suture needle to Sewing machines.In order to make suture needle sewing thread in the process come and gone keep certain rate of tension, avoiding random line or broken string, generally on Sewing machines, being provided with line grabbing device.Line grabbing device is one of principal organ of Sewing machines, and its good and bad good bad influence to sewing work of performance is very big, and many disadvantages of Sewing machines, as the line that stretches tight, rolling line, broken string, vibrations, noise etc., all have substantial connection with line grabbing device.

Usually, the line grabbing device of Sewing machines comprises the end of a thread clamp system, sewing thread directly passes on the downside of the circular gap bottom clamp system, be upward through the cable-through hole of grabbing line bar again, then arrive pin hole downwards, but in this existing structure, easily there is wrapping phenomena in its end of a thread, and then cause the problems such as workpiece action is smooth and easy not, affect continuity and the production efficiency of equipment to a certain extent.

Summary of the invention

In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of the end of a thread clamp system of Sewing machines, and it is easy to operate, and the problem be wound around easily appears in the end of a thread that effectively can solve sewing thread.

The utility model solves the technical scheme that its technical problem adopts:

A kind of the end of a thread clamp system of Sewing machines, comprise mount pad and dial line hook, described mount pad is provided with clamp and lower clamp, back-moving spring is provided with between described upper clamp and lower clamp, described group of line hook is arranged on clamp, described upper clamp front end is also installed with clamp window, described lower clamp front end is installed with grabs wire clamp, described upper clamp and lower clamp are under action of reset spring during move toward one another, grab wire clamp and clamp window clamps sewing thread, the end of a thread being folded in that the described group of line hook hooks sewing thread is dialled between line hook and upper clamp.

As the improvement of technique scheme, described group of line hook rotates the front end being installed on upper clamp by pin, described group of line hook one end is provided with the arc shaped hook of the end of a thread for hooking sewing thread, and the other end is provided with arc chute.

As the improvement of technique scheme, slip holding one push rod in described arc chute, described push rod is fixedly installed on lower clamp, rotate around pin under described group of line is hooked in push rod constraint, when described upper clamp and lower clamp move toward one another, described arc shaped hook hook sewing thread the end of a thread and be folded in dial between line hook and upper clamp, when described upper clamp and lower clamp move dorsad, described arc shaped hook goes to the front end of clamp window and unclamps sewing thread.

As the improvement of technique scheme, described mount pad offers the first chute and the second chute that are parallel to each other, described upper clamp is slided by the first pin and is fastened in the first chute, described lower clamp is slided by the second pin and is fastened in the second chute, and described first pin and the second pin are separately positioned on the two ends of connecting rod.

As the improvement of technique scheme, described connecting rod offers the 3rd chute and the 4th chute, described first pin also slides and is fastened in the 4th chute, slide in described 3rd chute and be arranged with the 3rd pin, described 3rd pin is fixedly mounted on swing arm, and described swing arm one end is rotatably installed on mount pad.

As the improvement of technique scheme, described 3rd pin is between the first pin and the second pin, described mount pad is fixed with as connecting rod provides the stop block of rotating fulcrum effect between the second pin and the 3rd pin, when described swing arm rotates, drive connecting rod to be fulcrum with stop block, clamp and lower clamp are moved dorsad.

As the improvement of technique scheme, described upper clamp is positioned at clamp window rear end and is also provided with raised section, and described arc shaped hook and raised section coordinate the end of a thread of clamping sewing thread.

The beneficial effects of the utility model have:

This clamp system makes upper clamp and lower clamp move toward one another by back-moving spring, grab wire clamp and clamp window near clamping sewing thread, occur enwinding the phenomenons such as upper clamp to prevent the end of a thread of sewing thread redundance, dial line hook hook sewing thread the end of a thread and be folded in dial between line hook and upper clamp, thus the end of a thread of sewing thread is made in order, equipment is run smooth and easy, easy to operate.

Accompanying drawing explanation

Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail, wherein:

Fig. 1 is structural representation when the end of a thread is released in the utility model embodiment;

Fig. 2 is structural representation when the end of a thread is clamped in the utility model embodiment.

Detailed description of the invention

See Fig. 1, the end of a thread clamp system of a kind of Sewing machines of the present utility model, comprise mount pad 1 and dial line hook 2, mount pad 1 is provided with clamp 3 and lower clamp 4, back-moving spring 5 is provided with between upper clamp 3 and lower clamp 4, upper clamp 3 front end is installed with clamp window 31, upper clamp 3 is positioned at clamp window 31 rear end and is also provided with raised section 33, lower clamp 4 front end is installed with grabs wire clamp 41, dial line hook 2 and rotated the front end being installed on upper clamp 3 by pin, dial the arc shaped hook 21 that line hook 2 one end is provided with the end of a thread for hooking sewing thread, the other end is provided with arc chute 22.Slip holding one push rod 6 in arc chute 22, push rod 6 is fixedly installed on lower clamp 4.

When upper clamp 3 and lower clamp 4 are under back-moving spring 5 acts on during move toward one another, namely Fig. 2 position is moved to from Fig. 1 position, dial line hook 2 to rotate around pin along the clockwise direction shown in Fig. 1 under push rod 6 retrains, the end of a thread that arc shaped hook 21 slowly hooks sewing thread is to raised section 33 near until grab wire clamp 41 and clamp window 31 clamps sewing thread, and arc shaped hook 21 and raised section 33 coordinate the end of a thread of clamping sewing thread.

With further reference to Fig. 2, mount pad 1 offers the first chute 7 and the second chute 8 be parallel to each other, upper clamp 3 is slided by the first pin 32 and to be fastened in the first chute 7, lower clamp 4 is slided by the second pin 42 and is fastened in the second chute 8, first pin 32 and the second pin 42 are separately positioned on the two ends of connecting rod 9, connecting rod 9 offers the 3rd chute 91 and the 4th chute 92, first pin 32 also slides and is fastened in the 4th chute 92, slide in 3rd chute 91 and be arranged with the 3rd pin 10, 3rd pin 10 is fixedly mounted on swing arm 11, swing arm 11 one end is rotatably installed on mount pad 1, 3rd pin 10 is between the first pin 32 and the second pin 42, mount pad 1 is fixed with as connecting rod 9 provides the stop block 12 of rotating fulcrum effect between the second pin 42 and the 3rd pin 10.

When swing arm 11 rotates along the counter clockwise direction shown in Fig. 2, swing arm 11 drives connecting rod 9 with stop block 12 for fulcrum rotates counterclockwise, second pin 42 slides backward in the second chute 8, first pin 32,7 forward slip in the first chute, clamp 3 and lower clamp 4 are moved dorsad, grab wire clamp 41 and clamp window 31 unclamps sewing thread, dial line hook 2 and rotate counterclockwise around pin under push rod 6 retrains, arc shaped hook 21 goes to the front end of clamp window 31.

This clamp system cyclically can clamp, unclamp sewing thread, dial line hook 2 hook the end of a thread of sewing thread and be folded between arc shaped hook 21 and raised section 33, the end of a thread of sewing thread is made in order, effectively prevent the end of a thread of sewing thread redundance from occurring enwinding the phenomenons such as clamp 3, equipment is run smooth and easy, easy to operate.

The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should belong to protection domain of the present utility model.

Claims

1. the end of a thread clamp system of a Sewing machines, it is characterized in that: comprise mount pad (1) and dial line hook (2), described mount pad (1) is provided with clamp (3) and lower clamp (4), back-moving spring (5) is provided with between described upper clamp (3) and lower clamp (4), described group of line hook (2) is arranged on clamp (3), described upper clamp (3) front end is also installed with clamp window (31), described lower clamp (4) front end is installed with grabs wire clamp (41), described upper clamp (3) and lower clamp (4) are under back-moving spring (5) effect during move toward one another, grab wire clamp (41) and clamp window (31) clamps sewing thread, the end of a thread being folded in that the described group of line hook (2) hooks sewing thread is dialled between line hook (2) and upper clamp (3).

2. the end of a thread clamp system of a kind of Sewing machines according to claim 1, it is characterized in that: described group of line hook (2) rotates the front end being installed on upper clamp (3) by pin, described group of line hook (2) one end is provided with the arc shaped hook (21) of the end of a thread for hooking sewing thread, and the other end is provided with arc chute (22).

3. the end of a thread clamp system of a kind of Sewing machines according to claim 2, it is characterized in that: described arc chute (22) interior slip holding one push rod (6), described push rod (6) is fixedly installed on lower clamp (4), described group of line hook (2) is rotated around pin under push rod (6) constraint, when described upper clamp (3) and lower clamp (4) move toward one another, described arc shaped hook (21) hook sewing thread the end of a thread and be folded in dial between line hook (2) and upper clamp (3), when described upper clamp (3) and lower clamp (4) move dorsad, described arc shaped hook (21) goes to the front end of clamp window (31) and unclamps sewing thread.

4. the end of a thread clamp system of a kind of Sewing machines according to claim 1 or 3, it is characterized in that: described mount pad (1) offers the first chute (7) and the second chute (8) that are parallel to each other, described upper clamp (3) is slided by the first pin (32) and is fastened in the first chute (7), described lower clamp (4) is slided by the second pin (42) and is fastened in the second chute (8), and described first pin (32) and the second pin (42) are separately positioned on the two ends of connecting rod (9).

5. the end of a thread clamp system of a kind of Sewing machines according to claim 4, it is characterized in that: described connecting rod (9) offers the 3rd chute (91) and the 4th chute (92), described first pin (32) is also slided and is fastened in the 4th chute (92), slide in described 3rd chute (91) and be arranged with the 3rd pin (10), described 3rd pin (10) is fixedly mounted on swing arm (11), and described swing arm (11) one end is rotatably installed on mount pad (1).

6. the end of a thread clamp system of a kind of Sewing machines according to claim 5, it is characterized in that: described 3rd pin (10) is positioned between the first pin (32) and the second pin (42), described mount pad (1) is positioned at and is fixed with as connecting rod (9) provides the stop block (12) of rotating fulcrum effect between the second pin (42) and the 3rd pin (10), when described swing arm (11) rotates, drive connecting rod (9) for fulcrum, makes clamp (3) and lower clamp (4) move dorsad with stop block (12).

7. the end of a thread clamp system of a kind of Sewing machines according to claim 2, it is characterized in that: described upper clamp (3) is positioned at clamp window (31) rear end and is also provided with raised section (33), described arc shaped hook (21) and raised section (33) coordinate the end of a thread of clamping sewing thread.