CN219032545U

CN219032545U - Pressure regulating device for thread cutting and loosening presser foot of sewing machine

Info

Publication number: CN219032545U
Application number: CN202222276655.4U
Authority: CN
Inventors: 吴方勇
Original assignee: Zhejiang Siyi Clothing Co ltd
Current assignee: Zhejiang Siyi Clothing Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-05-16
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a pressure regulating device for a thread cutting and loosening presser foot of a sewing machine, which relates to the technical field of sewing machines and comprises a bottom plate, wherein one side of the top of the bottom plate is fixedly connected with an organism, the upper surface of the organism is fixedly connected with a sequencing plate, the top of the sequencing plate is symmetrically and movably provided with thread cylinders, one side of the sequencing plate is fixedly connected with a regulating block, one side of the top of the regulating block is fixedly connected with a regulating motor, the end part of an output shaft of the regulating motor is fixedly connected with a cam, one side of the cam is hinged with a movable rod, and the bottom end of the movable rod is hinged with a lifting column. According to the utility model, the sewing machine body is arranged on the workbench through the bottom plate, the plurality of thread cylinders are arranged at the top of the machine body through the sequencing plate, so that thread ends are conveniently positioned through the thread collecting plate at one side of the top of the adjusting block, the cam is driven to rotate through the adjusting motor, the lifting column vertically moves in the adjusting block through the cam linked moving rod, and the pressure of the presser foot is adjusted according to the sewing use.

Description

Pressure regulating device for thread cutting and loosening presser foot of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a pressure adjusting device for a thread cutting and loosening presser foot of a sewing machine.

Background

The presser foot mechanism is a basic mechanism in the sewing machine and is mainly used for pressing cloth, so that the cloth is not easy to shrink and does not swing left and right to convey the cloth in a rhythmic manner by matching with the cloth feeding teeth, in addition, the presser foot mechanism can play a role in mastering a line distance scale in the sewing process, and in the sewing process, the phenomena of irregular cloth movement, uneven needle distance, even cloth gnawing and the like are often encountered.

In China, patent application number: CN202022221459.8 discloses a presser foot lifting and pressure regulating device for a sewing machine and the sewing machine, comprising a cam, a regulating crank, wherein the cam is driven to rotate by a power piece, a driving track is arranged on the cam, the driving track comprises a presser foot lifting driving section and a presser foot pressure regulating driving section, the regulating crank is connected with one end of a presser foot lifting shaft, a roller is arranged on the regulating crank, the roller can roll along a driving surface of the driving track, the other end of the presser foot lifting shaft is connected with a presser bar shaft sleeve through the presser foot lifting crank, the presser bar shaft sleeve is arranged on a pressing bar, a guide frame is arranged on the pressing bar, a spring is sleeved on the pressing bar, and the spring is pressed between the presser bar shaft sleeve and the guide frame. The presser foot and presser foot pressure adjusting device and the sewing machine are lifted, the height of the pressing rod is adjusted in use to adjust the pressure of the presser foot, the pressure is adjusted according to fabrics with different thicknesses, the sewing performance is improved, the height of the presser foot cannot be manually adjusted according to the sewing use habit, the thread trimming and loosening efficiency is low, and the accuracy of adjusting the pressure of the presser foot is low.

Therefore, it is necessary to provide a pressure adjusting device for a thread cutting and loosening presser foot of a sewing machine to solve the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims at: in order to solve the problems that the presser foot lifting and pressure adjusting device of the sewing machine and the sewing machine are low in thread trimming and loosening efficiency and low in accuracy of adjusting the pressure of the presser foot, the pressure adjusting device of the presser foot lifting and pressure adjusting device of the sewing machine and the sewing machine are provided.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a sewing machine cuts line pine line presser foot pressure adjusting device, includes the bottom plate, the top one side fixedly connected with organism of bottom plate, the upper surface fixedly connected with sequencing board of organism, the top symmetry movable mounting of sequencing board has a bobbin, one side fixedly connected with regulating block of sequencing board, top one side fixedly connected with regulating block regulating motor, regulating motor's output shaft end fixedly connected with cam, one side of cam articulates there is the movable rod, the bottom of movable rod articulates there is the lift post.

Further, the inside bilateral symmetry fixedly connected with first spring of regulating block, the inside of regulating block is located the inboard fixedly connected with telescopic column of first spring.

Further, the bottom of lifting column runs through the regulating block and has seted up the spacing groove, the bottom of lifting column is located the inside fixedly connected with locating plate of regulating block.

Further, the top of first spring and flexible post and the bottom fixed connection of locating plate, the inside laminating of spacing groove is connected with the gag lever post.

Further, the bottom fixedly connected with bracing piece of gag lever post, the bottom fixedly connected with presser foot board of bracing piece.

Further, the bracing piece is located the top one side fixedly connected with mounting panel of presser foot board, one side laminating of mounting panel is connected with the pressing board.

Further, one side of the pressing plate, which is close to the mounting plate, is fixedly connected with a second spring, and one end of the second spring, which is far away from the pressing plate, is fixedly connected with one side of the mounting plate.

Further, one side of the pressing plate penetrates through the mounting plate and is fixedly connected with a connecting rod, and one side of the top end of the connecting rod is symmetrically provided with adjusting grooves.

Further, one side of the bottom of the lifting column, which is close to the connecting rod, is fixedly connected with a clamping rod, and one end of the clamping rod is connected with the inside of the adjusting groove in a fitting mode.

Further, the top of mounting panel is located the outside fixedly connected with reset spring of bracing piece, reset spring's top and lifting column's bottom outside fixed connection.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

1. according to the utility model, the sewing machine body is arranged on the workbench through the bottom plate, the plurality of thread cylinders are arranged at the top of the machine body through the sequencing plate, so that thread ends are conveniently positioned through the thread collecting plate at one side of the top of the adjusting block, the cam is driven to rotate through the adjusting motor, the lifting column vertically moves in the adjusting block through the cam linked moving rod, and the pressure of the presser foot is adjusted according to the sewing use.

2. According to the utility model, the first spring and the telescopic column in the adjusting block push the bottom of the positioning plate at one side of the lifting column, so that the lifting column is kept in a vertical state, the top end of the limiting rod slides in the limiting groove at the bottom of the lifting column, and the positions of the supporting rod and the presser foot board at the bottom of the lifting column are adjusted, so that the equipment can be conveniently adjusted according to the thickness of a sewing article, and the sewing efficiency is improved.

3. According to the utility model, the second spring on one side of the supporting rod pushes the pressing plate to reset, so that the pressing plate can be conveniently and horizontally moved by hand pressing, the height of the foot pressing plate can be manually adjusted by connecting the adjusting groove on one side of the top end of the connecting rod with the clamping rod on one side of the bottom end of the lifting column, and the connection stability of the lifting column and the supporting rod is improved by the reset spring.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective bottom view of the structure of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the area A in FIG. 3 according to the present utility model;

reference numerals: 1. a bottom plate; 2. a body; 3. a sequencing plate; 4. a wire barrel; 5. an adjusting block; 6. adjusting a motor; 7. a cam; 8. lifting columns; 9. a first spring; 10. a telescopic column; 11. a positioning plate; 12. a movable rod; 13. a limit groove; 14. a limit rod; 15. a support rod; 16. foot pressing plates; 17. a mounting plate; 18. pressing the plate; 19. a second spring; 20. a connecting rod; 21. an adjustment tank; 22. a clamping rod; 23. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a pressure adjusting device for a thread cutting and loosening presser foot of a sewing machine comprises a bottom plate 1, wherein one side of the top of the bottom plate 1 is fixedly connected with a machine body 2, the upper surface of the machine body 2 is fixedly connected with a sequencing plate 3, the top of the sequencing plate 3 is symmetrically and movably provided with a thread cylinder 4, one side of the sequencing plate 3 is fixedly connected with an adjusting block 5, one side of the top of the adjusting block 5 is fixedly connected with an adjusting motor 6, the end part of an output shaft of the adjusting motor 6 is fixedly connected with a cam 7, one side of the cam 7 is hinged with a movable rod 12, and the bottom end of the movable rod 12 is hinged with a lifting column 8.

In this embodiment, the sewing machine body 2 is mounted on a workbench through the bottom plate 1, the plurality of bobbins 4 are mounted at the top of the machine body 2 through the sequencing plate 3, the thread ends are conveniently positioned through the thread collecting plate at one side of the top of the adjusting block 5, the cam 7 is driven to rotate through the adjusting motor 6, the movable rod 12 is linked to move through the cam 7, the lifting column 8 vertically moves in the adjusting block 5, and the pressure of the presser foot is adjusted according to the sewing use.

Example 2

Referring to fig. 1-4, this embodiment is further optimized based on embodiment 1, specifically, two sides of the interior of the adjusting block 5 are symmetrically and fixedly connected with a first spring 9, the interior of the adjusting block 5 is located at the inner side of the first spring 9 and fixedly connected with a telescopic column 10, and the telescopic column 10 is used for supporting the first spring 9 when moving, so as to avoid the first spring 9 from shifting.

Specifically, the bottom of lifting column 8 runs through regulating block 5 and has seted up spacing groove 13, and the bottom of lifting column 8 is located regulating block 5's inside fixedly connected with locating plate 11, and locating plate 11 is used for connecting first spring 9 and flexible post 10, makes lifting column 8 in use keep balanced.

Specifically, the top of first spring 9 and flexible post 10 and the bottom fixed connection of locating plate 11, the inside laminating of spacing groove 13 is connected with gag lever post 14, gag lever post 14 and spacing groove 13 looks adaptation.

Specifically, the bottom fixedly connected with bracing piece 15 of gag lever post 14, the bottom fixedly connected with presser foot board 16 of bracing piece 15, bracing piece 15 and presser foot board 16 pass through the nut and connect.

In this embodiment, the bottom of the locating plate 11 on one side of the lifting column 8 is pushed by the first spring 9 and the telescopic column 10 inside the adjusting block 5, so that the lifting column 8 is kept in a vertical state, the top end of the limiting rod 14 slides in the limiting groove 13 on the bottom of the lifting column 8, the positions of the supporting rod 15 and the presser foot plate 16 on the bottom of the lifting column 8 are adjusted, and the equipment is conveniently adjusted according to the thickness of a sewn article, so that the sewing efficiency is improved.

Example 3

Referring to fig. 1-4, the following optimization is performed on the basis of example 1 or example 2, specifically, the supporting rod 15 is fixedly connected with a mounting plate 17 on one side of the top of the presser plate 16, one side of the mounting plate 17 is connected with a pressing plate 18 in a fitting manner, one side of the pressing plate 18 close to the mounting plate 17 is fixedly connected with a second spring 19, and one end of the second spring 19 far away from the pressing plate 18 is fixedly connected with one side of the mounting plate 17.

Specifically, one side of the pressing plate 18 penetrates through the mounting plate 17 and is fixedly connected with a connecting rod 20, one side of the top end of the connecting rod 20 is symmetrically provided with an adjusting groove 21, and one end of the mounting plate 17 is provided with a through hole matched with one end of the pressing plate 18.

Specifically, a clamping rod 22 is fixedly connected to one side, close to the connecting rod 20, of the bottom end of the lifting column 8, and one end of the clamping rod 22 is connected with the inside of the adjusting groove 21 in a fitting mode.

Specifically, the top of mounting panel 17 is located the outside fixedly connected with reset spring 23 of bracing piece 15, and reset spring 23's top and lifting column 8's bottom outside fixed connection, reset spring 23 are used for connecting lifting column 8 and bracing piece 15, avoid using the middling piece 16 to take place to rotate.

In this embodiment, the second spring 19 on one side of the supporting rod 15 pushes the pressing plate 18 to reset, so that the pressing plate 18 can be horizontally moved by pressing by hand, and the height of the foot pressing plate 16 can be manually adjusted by connecting the adjusting groove 21 on the top side of the connecting rod 20 with the clamping rod 22 on the bottom side of the lifting column 8, so that the connection stability between the lifting column 8 and the supporting rod 15 is improved by the reset spring 23.

To sum up: according to the utility model, a sewing machine body 2 is arranged on a workbench through a bottom plate 1, a plurality of thread cylinders 4 are arranged on a sequencing plate 3 at the top of the machine body 2, thread ends are positioned through a thread collecting plate at the top side of an adjusting block 5, a cam 7 is driven to rotate through an adjusting motor 6, a cam 7 is linked with a movable rod 12 to move, a lifting column 8 vertically moves in the adjusting block 5, according to pressure adjustment of a presser foot, the bottom of a positioning plate 11 at one side of the lifting column 8 is pushed through a first spring 9 and a telescopic column 10 in the adjusting block 5, the lifting column 8 is kept in a vertical state, the top end of a limiting rod 14 slides in a limiting groove 13 at the bottom of the lifting column 8, the positions of a supporting rod 15 and a presser foot plate 16 at the bottom of the lifting column 8 are adjusted according to the thickness of a sewing article, the pressing plate 18 is pushed to reset through a second spring 19 at one side of the supporting rod 15, the pressing plate 18 is horizontally moved through manual pressing, the pressing is connected with a clamping rod 22 at one side of the bottom end of the lifting column 8 through an adjusting groove 21 at the top end of a connecting rod 20, the height of the presser foot 16 can be manually adjusted, and the stability of the connecting column 8 is improved through a reset spring 23.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims

1. The utility model provides a sewing machine cuts line pine line presser foot pressure regulating device, includes bottom plate (1), its characterized in that: the utility model discloses a motor-driven machine is characterized in that a machine body (2) is fixedly connected to one side of the top of a bottom plate (1), a sorting plate (3) is fixedly connected to the upper surface of the machine body (2), a wire barrel (4) is symmetrically and movably arranged at the top of the sorting plate (3), an adjusting block (5) is fixedly connected to one side of the sorting plate (3), an adjusting motor (6) is fixedly connected to one side of the top of the adjusting block (5), a cam (7) is fixedly connected to the end part of an output shaft of the adjusting motor (6), a movable rod (12) is hinged to one side of the cam (7), and a lifting column (8) is hinged to the bottom end of the movable rod (12).

2. The sewing machine thread cutting and loosening presser foot pressure regulating device as claimed in claim 1, wherein: the inside bilateral symmetry fixedly connected with first spring (9) of regulating block (5), the inside of regulating block (5) is located the inboard fixedly connected with telescopic column (10) of first spring (9).

3. The sewing machine thread cutting and loosening presser foot pressure regulating device as claimed in claim 2, wherein: the bottom of lifting column (8) runs through regulating block (5) and has seted up spacing groove (13), the inside fixedly connected with locating plate (11) that the bottom of lifting column (8) is located regulating block (5).

4. A sewing machine thread cutting and releasing presser foot pressure adjusting device as claimed in claim 3, wherein: the top of the first spring (9) and the telescopic column (10) are fixedly connected with the bottom of the positioning plate (11), and a limiting rod (14) is connected in a fit mode in the limiting groove (13).

5. The sewing machine thread cutting and loosening presser foot pressure regulating device of claim 4, wherein: the bottom of gag lever post (14) fixedly connected with bracing piece (15), the bottom fixedly connected with presser foot board (16) of bracing piece (15).

6. The sewing machine thread cutting and loosening presser foot pressure regulating device of claim 5, wherein: the support rod (15) is located at one side of the top of the foot pressing plate (16) and fixedly connected with a mounting plate (17), and one side of the mounting plate (17) is connected with a pressing plate (18) in a fitting mode.

7. The sewing machine thread cutting and loosening presser foot pressure regulating device of claim 6, wherein: one side of the pressing plate (18) close to the mounting plate (17) is fixedly connected with a second spring (19), and one end of the second spring (19) away from the pressing plate (18) is fixedly connected with one side of the mounting plate (17).

8. The sewing machine thread cutting and releasing presser foot pressure adjusting device of claim 7, wherein: one side of the pressing plate (18) penetrates through the mounting plate (17) and is fixedly connected with a connecting rod (20), and one side of the top end of the connecting rod (20) is symmetrically provided with adjusting grooves (21).

9. The sewing machine thread cutting and loosening presser foot pressure regulating device of claim 8, wherein: one side of the bottom end of the lifting column (8) close to the connecting rod (20) is fixedly connected with a clamping rod (22), and one end of the clamping rod (22) is connected with the inside of the adjusting groove (21) in a fitting mode.

10. The sewing machine thread cutting and loosening presser foot pressure regulating device of claim 9, wherein: the top of mounting panel (17) is located the outside fixedly connected with reset spring (23) of bracing piece (15), the top of reset spring (23) and the bottom outside fixed connection of lift post (8).