CN216998830U

CN216998830U - Thread guide device for sewing machine

Info

Publication number: CN216998830U
Application number: CN202220377072.8U
Authority: CN
Inventors: 段德广; 刘柳媚; 刘映弟
Original assignee: Guangzhou Yudian Technology Co ltd
Current assignee: Guangzhou Yudian Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-19
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a thread leading device for a sewing machine, in particular to the technical field of textile equipment, wherein the existing thread feeding mechanism of the sewing machine is simpler, so that the sewing thread is not tightened enough when being fed, thereby causing thread disorder and serious knotting, and being not beneficial to sewing clothes, the thread leading device comprises a workbench, wherein one side of the upper surface of the workbench is fixedly connected with a support column, the surface of the support column is provided with a support plate, one side of the upper surface of the workbench is fixedly connected with two tensioners, the handle drives a transmission gear to rotate through rotating a handle, the transmission gear drives an upper rack and a lower rack to move oppositely, thereby driving two sliding blocks to slide oppositely in two sliding grooves respectively, being convenient for adjusting the distance between two traction wheels, further adjusting the tension of the thread, rotating the turntable to drive a straight gear to rotate, the support plate is driven by the straight gear to move on the straight gear, thereby be convenient for get and put the bobbin, can be according to the length adjustment distance of line.

Description

Thread guide device for sewing machine

Technical Field

The utility model relates to the technical field of textile equipment, in particular to a thread guiding device for a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, and the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, leather, plastics, paper and other products, and the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.

However, the current thread guiding device for sewing machine has the following defects:

1. the existing sewing machine thread feeding mechanism is simple, so that when the thread is fed, the sewing thread is not tight enough, the thread mess phenomenon can occur, the knotting phenomenon can be seriously generated, and the sewing of clothes is not facilitated;

2. the distance of the lead frame of the existing sewing machine can not be adjusted according to the length required by the thread when the thread is led, so that the working efficiency of workers is reduced.

In response to this situation, those skilled in the art have provided a thread guiding device for a sewing machine.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a thread guiding device for a sewing machine to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a lead wire device for sewing machine, includes the workstation, workstation upper surface one side fixedly connected with support column, support column surface are equipped with the backup pad, two tensioners of workstation upper surface one side fixedly connected with.

One side of the outer surface of the tensioner rotates to be connected with a handle in a penetrating mode, a transmission gear is fixedly connected to one side of the handle, the upper side of the transmission gear is meshed with an upper rack, the lower side of the transmission gear is meshed with a lower rack, a sliding block is fixedly connected to one side of the outer surface of the upper rack and the other side of the outer surface of the lower rack respectively, and a traction wheel is fixedly connected to the side face of the sliding block.

As a still further scheme of the utility model: the inner wall of the supporting column is fixedly connected with a spur rack, one side of the outer surface of the supporting plate is rotated to be connected with a rotary table in a penetrating mode, and a straight gear is fixedly connected to the center of one side of the rotary table.

As a still further scheme of the utility model: the equal fixedly connected with bobbin in backup pad upper surface both sides, the equal fixedly connected with thimble in backup pad surface one side both ends.

As a still further scheme of the utility model: the center of one side of the transmission gear is rotationally connected with the inner wall of the tensioner, and sliding grooves corresponding to the sliding blocks are formed in the two sides of the outer surface of the tensioner.

As a still further scheme of the utility model: the upper rack and the lower rack are distributed in a mirror image mode by taking the transmission gear as the center, and the two traction wheels are distributed in a mirror image mode by taking the transmission gear as the center respectively.

As a still further scheme of the utility model: the outer surface of the support column is connected to the outer surface of the support plate in a sliding penetrating mode, and the center of one side of the straight gear is connected to the inner wall of the support plate in a rotating mode.

As a still further scheme of the utility model: the side surface of the straight rack is meshed with the side surface of the straight gear, and the outer surface of the support column is provided with a movable groove corresponding to the straight gear.

The utility model has the beneficial effects that:

1. the handle is rotated to drive the transmission gear to rotate, and the transmission gear drives the upper rack and the lower rack to move oppositely, so that the two sliding blocks are driven to slide oppositely in the two sliding grooves respectively, the distance between the two traction wheels can be conveniently adjusted, and the tensioning of the wire can be adjusted;

2. the rotating disc is rotated to drive the straight gear to rotate, and the straight gear drives the supporting plate to move on the straight rack, so that the winding reel can be conveniently taken and placed, and the distance can be adjusted according to the length of a wire.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a thread guide assembly for a sewing machine;

FIG. 2 is a cross-sectional schematic view of the tensioner of FIG. 1;

fig. 3 is a schematic cross-sectional view of the support column and support plate of fig. 1.

In the figure: 1. a work table; 2. a support pillar; 21. straight rack; 22. a spur gear; 23. a turntable; 3. a tensioner; 31. a handle; 32. a transmission gear; 33. an upper rack; 34. a lower rack; 35. a chute; 36. a slider; 37. a traction wheel; 4. a support plate; 5. a threading ring; 6. a bobbin.

Detailed Description

In the following, referring to fig. 1 to 3, the technical solution in the embodiment of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiment of the present invention, in which:

the utility model provides a lead wire device for sewing machine, includes

workstation

1, 1 upper surface one side fixedly connected with support column 2 of workstation, and 2 surfaces on the support column are equipped with

backup pad

4, 1 upper surface one side fixedly connected with two tensioners 3 of workstation.

The outer surface of the tensioner 3 is rotated on one side and is penetratingly connected with a handle 31, a transmission gear 32 is fixedly connected on one side of the handle 31, an upper rack 33 is meshed and connected with an upper rack 32 on the upper side of the transmission gear 32, a lower rack 34 is meshed and connected with the lower rack 32 on the lower side, a sliding block 36 is fixedly connected on one side of the outer surface of the upper rack 33 and the other side of the outer surface of the lower rack 34 respectively, traction wheels 37 are fixedly connected on the lateral sides of the sliding block 36, bobbins 6 are fixedly connected on two sides of the upper surface of the support plate 4, threading rings 5 are fixedly connected on two ends of one side of the outer surface of the support plate 4, the center of one side of the transmission gear 32 is rotatably connected with the inner wall of the tensioner 3, sliding grooves 35 corresponding to the sliding block 36 are formed in two sides of the outer surface of the tensioner 3, the upper rack 33 and the lower rack 34 are distributed in a mirror image mode by taking the transmission gear 32 as the center, and the two traction wheels 37 are distributed in a mirror image mode by taking the transmission gear 32 as the center respectively.

2 inner wall fixedly connected with spur rack 21 of support column, 4 surface one sides of backup pad rotate through connection have

carousel

23, 23 one side center department fixedly connected with spur gear 22 of carousel, 2 surface slip through connection of support column are in 4 surfaces of backup pad, 22 one side center department of spur gear rotates and connects in 4 inner walls of backup pad, the side of spur rack 21 is connected with the side meshing of

spur gear

22, and 2 surfaces of support column have seted up the movable groove corresponding with spur gear 22.

The working principle of the utility model is as follows: according to user's operation custom, carousel 23 rotates, carousel 23 drives spur gear 22 and rotates, spur gear 22 drives backup pad 4 and moves on spur rack 21, thereby be convenient for get and put bobbin 6, pass through thimble 5 with the line on bobbin 6 after that, walk around the traction wheel 37 of last rack 33 side and the traction wheel 37 of lower rack 34 side in proper order with one end again, afterwards alright wear the end of a thread on the syringe needle, through rotating handle 31, handle 31 drives drive gear 32 and rotates, drive gear 32 drives rack 33 and lower rack 34 opposite direction and moves, thereby drive two sliders 36 respectively in two spouts 35 opposite direction slides, be convenient for adjust the distance between two traction wheels 37, thereby can adjust the tensioning of line.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A thread guiding device for a sewing machine comprises a workbench (1), and is characterized in that one side of the upper surface of the workbench (1) is fixedly connected with a support column (2), the surface of the support column (2) is provided with a support plate (4), and one side of the upper surface of the workbench (1) is fixedly connected with two tensioners (3);

one side of the outer surface of the tensioner (3) is rotatably connected with a handle (31) in a penetrating mode, a transmission gear (32) is fixedly connected to one side of the handle (31), an upper rack (33) is meshed and connected to the upper side of the transmission gear (32), a lower rack (34) is meshed and connected to the lower side of the transmission gear (32), a sliding block (36) is fixedly connected to one side of the outer surface of the upper rack (33) and the other side of the outer surface of the lower rack (34) respectively, and a traction wheel (37) is fixedly connected to the side face of the sliding block (36).

2. The thread guiding device for sewing machine according to claim 1, wherein the inner wall of the supporting pillar (2) is fixedly connected with a spur rack (21), one side of the outer surface of the supporting plate (4) is rotatably connected with a rotary table (23) in a penetrating way, and the center of one side of the rotary table (23) is fixedly connected with a spur gear (22).

3. The thread guiding device for sewing machine according to claim 1, wherein the bobbin (6) is fixedly connected to both sides of the upper surface of the supporting plate (4), and the thimble (5) is fixedly connected to both ends of one side of the outer surface of the supporting plate (4).

4. The thread guiding device for sewing machine according to claim 1, wherein the center of one side of the transmission gear (32) is rotatably connected with the inner wall of the tensioner (3), and the two sides of the outer surface of the tensioner (3) are provided with sliding grooves (35) corresponding to the sliding blocks (36).

5. A threading device for sewing machines according to claim 1, characterized in that said upper rack (33) and lower rack (34) are distributed in mirror image with the transmission gear (32) as the center, and two traction wheels (37) are distributed in mirror image with the transmission gear (32) as the center respectively.

6. The thread guiding device for sewing machine according to claim 2, wherein the outer surface of the supporting column (2) is slidably connected to the outer surface of the supporting plate (4) in a penetrating manner, and the spur gear (22) is rotatably connected to the inner wall of the supporting plate (4) at the center of one side thereof.

7. The thread guiding device for sewing machine according to claim 2, wherein the side surface of the spur rack (21) is engaged with the side surface of the spur gear (22), and the outer surface of the supporting column (2) is provided with a movable groove corresponding to the spur gear (22).