CN214362105U

CN214362105U - Presser foot of sewing machine of herringbone lathe

Info

Publication number: CN214362105U
Application number: CN202120562626.7U
Authority: CN
Inventors: 李开平; 李莉
Original assignee: Chongqing Pengyu Hardware Products Co ltd
Current assignee: Chongqing Pengyu Hardware Products Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-08
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a sewing machine presser foot of herringbone car, including the connecting block, the inside spout of having seted up of connecting block, the inside sliding connection of spout has the slide bar, slide bar through connection piece, the slide bar is located the outside one end welded fastening of connecting block has the pivot, the pivot is rotated and is connected with the presser foot, the presser foot other end is crooked, spout inside welded fastening has fixed tooth, the outside welded fastening of connecting block has the permanent magnet, the connecting block is connected with fixing device with the slide bar jointly, the permanent magnet corresponds with the presser foot top, the veneer is fixed with the slipmat bottom the presser foot, the slipmat adopts the rubber material to make. The utility model discloses beneficial effect pulling slide bar can make its extension, presses the button simultaneously and can make the slide bar withdraw rapidly to drive the presser foot and remove, improved the efficiency when making up the curved line of turning.

Description

Presser foot of sewing machine of herringbone lathe

Technical Field

The utility model relates to a sewing machine presser foot technical field especially relates to a sewing machine presser foot of herringbone car.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

The presser foot of the sewing machine is an essential part in a feeding mechanism of the sewing machine, and the presser foot has a certain distance with the presser foot during the use, so when sewing a curved line, two points prevent cloth to make the curve inflexible, the sewing effect is not beautiful, the sewing route is not accurate, and the lifting of the presser foot is continued to sew, thereby delaying the time and reducing the efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a presser foot of a sewing machine for a herringbone lathe.

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

the presser foot of the sewing machine for the herringbone lathe comprises a connecting block, a sliding groove is formed in the connecting block, a sliding rod is connected in the sliding groove in a sliding mode and penetrates through the connecting block, a rotating shaft is welded and fixed to one end, located outside the connecting block, of the sliding rod, the rotating shaft is connected with the presser foot in a rotating mode, the other end of the presser foot is bent, fixed teeth are welded and fixed in the sliding groove, a permanent magnet is welded and fixed to the outside of the connecting block, and the connecting block and the sliding rod are connected with a fixing device together.

Preferably, the fixing device comprises a straight rod which is slidably connected inside the sliding rod, the straight rod penetrates through the sliding rod, one end, located outside the sliding rod, of the straight rod is glued and fixedly connected with a button, a cavity is formed inside the sliding rod, the other end of the straight rod penetrates through the cavity, a stop block is welded and fixed to one end, located inside the connecting block, of the sliding rod, a spring is welded and fixed to the stop block, and the other end of the spring is welded and fixed to the inner wall of the sliding groove.

Preferably, one end of the straight rod, which is located inside the cavity, is rotatably connected with a connecting rod through a pin shaft, the other end of the connecting rod is rotatably connected with a disc through a pin shaft, the inside of the disc is provided with a cavity, an energy storage coil spring is welded and fixed on the inner wall of the cavity, the other end of the energy storage coil spring is welded and fixed with a wheel shaft, and the wheel shaft is welded and fixed on the inner wall of the cavity.

Preferably, the permanent magnet corresponds to the top of the presser foot, the bottom of the presser foot is glued and fixed with an anti-slip pad, and the anti-slip pad is made of rubber.

Preferably, the disc is rotatably connected with a rotating rod through a pin shaft, and the rotating rod is rotatably connected with a fixed seat through a pin shaft.

Preferably, the fixing seat is fixedly welded with a limiting block, the limiting block penetrates through the sliding rod, and the limiting block is meshed with the fixing teeth.

The utility model discloses contrast prior art, its advantage lies in:

1. the utility model provides a herringbone sewing machine presser foot, pulling slide bar can make its extension, presses the button simultaneously and can make the slide bar withdraw rapidly to drive the presser foot and remove, improved the efficiency when making up the curved line of turning.

2. The utility model provides a herringbone sewing machine presser foot makes lifting up that the presser foot can be free through utilizing the pivot to fix it through the permanent magnet, the effectual presser foot that causes because of external factors damages when the sewing machine does not use that prevents.

Drawings

Fig. 1 is a schematic structural view of a presser foot of a sewing machine for a herringbone lathe according to the present invention.

Fig. 2 is an enlarged view of a portion a of a presser foot of a sewing machine for a herringbone sewing machine according to the present invention.

In the figure: the device comprises a connecting block 1, a sliding groove 2, a sliding rod 3, a spring 4, a rotating shaft 5, a presser foot 6, a non-slip mat 7, a fixed tooth 8, a permanent magnet 9, a straight rod 10, a button 11, a stop 12, a cavity 13, a connecting rod 14, a disc 15, a cavity 16, an energy storage coil spring 17, an axle 18, a rotating rod 19, a fixed seat 20 and a limiting block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a presser foot of a sewing machine for a herringbone lathe comprises a connecting block 1, a sliding groove 2 is formed in the connecting block 1, a sliding rod 3 is slidably connected in the sliding groove 2, the sliding rod 3 penetrates through the connecting block 1, a rotating shaft 5 is fixedly welded at one end, located outside the connecting block 1, of the sliding rod 3, the rotating shaft 5 is rotatably connected with the presser foot 6, the other end of the presser foot 6 is bent, a fixed tooth 8 is fixedly welded in the sliding groove 2, a permanent magnet 9 is fixedly welded at the outside of the connecting block 1, and the connecting block 1 and the sliding rod 3 are jointly connected with a fixing device.

Fixing device includes sliding connection at the inside straight-bar 10 of slide bar 3, and straight-bar 10 runs through slide bar 3, and straight-bar 10 is located the outside one end veneer fixedly connected with button 11 of slide bar 3, and slide bar 3 is inside to have seted up cavity 13, and the straight-bar 10 other end runs through to be located cavity 13, and slide bar 3 is located the inside one end welded fastening of connecting block 1 and has dog 12, and welded fastening has spring 4 on dog 12, and the other end welded fastening of spring 4 is on 2 inner walls of spout.

The straight rod 10 is located one end inside the cavity 13 and is rotatably connected with a connecting rod 14 through a pin shaft, the other end of the connecting rod 14 is rotatably connected with a disc 15 through a pin shaft, a cavity 16 is formed inside the disc 15, an energy storage coil spring 17 is welded and fixed on the inner wall of the cavity 16, a wheel shaft 18 is welded and fixed at the other end of the energy storage coil spring 17, the wheel shaft 18 is welded and fixed on the inner wall of the cavity 13, the sliding rod 3 can be stretched by pulling the sliding rod 3, meanwhile, the sliding rod 3 can be rapidly retracted by pressing a button 11, and therefore the presser foot 6 is driven to move, and the efficiency of sewing a curved line is improved.

Permanent magnet 9 corresponds with 6 tops of presser foot, 6 bottom plys of presser foot are fixed with slipmat 7, slipmat 7 adopts the rubber material to make, be connected with dwang 19 through the round pin hub rotation on the disc 15, dwang 19 is connected with fixing base 20 through the round pin hub rotation, fixing base 20 welded fastening has stopper 21, stopper 21 runs through slide bar 3, stopper 21 and fixed tooth 8 meshing, make lifting up that presser foot 6 can be free through utilizing pivot 5, and fix it through permanent magnet 9, the effectual presser foot that causes because of external factors when sewing machine does not use of preventing damages.

The utility model discloses in, the theory of operation: firstly, in the operation process, a user can pull the sliding rod 3 to drive the presser foot 6 to fall down according to actual requirements. Thereby fix the cloth, utilize slipmat 7 to prevent that the cloth from being scraped the flower simultaneously, when the presser foot 6 is lifted to needs, can press button 11, make straight-bar 10 slide, drive connecting rod 14 and rotate, make disc 15 rotatory, thereby it is rotatory to drive energy storage coil spring 17, store elastic potential energy, because disc 15 is rotatory, make dwang 19 rotatory, consequently withdraw stopper 21, thereby relieve with fixed tooth 8 spacing, this moment under spring 4's effect, pull back slide bar 3, energy storage coil spring 17's elastic potential energy releases simultaneously, make stopper 21 continue to mesh with fixed tooth 8. When the device is not in use, the presser foot 6 is lifted by the rotating shaft 5 and attracted to the permanent magnet 9, thereby being fixed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The presser foot of the sewing machine for the herringbone lathe comprises a connecting block (1) and is characterized in that a sliding groove (2) is formed in the connecting block (1), a sliding rod (3) is connected to the inside of the sliding groove (2) in a sliding mode, the sliding rod (3) penetrates through the connecting block (1), a rotating shaft (5) is fixedly welded to one end, located outside the connecting block (1), of the sliding rod (3), the rotating shaft (5) is rotatably connected with a presser foot (6), the other end of the presser foot (6) is bent, a fixed tooth (8) is fixedly welded to the inside of the sliding groove (2), a permanent magnet (9) is fixedly welded to the outside of the connecting block (1), and the connecting block (1) and the sliding rod (3) are connected with a fixing device together.

2. The presser foot of a sewing machine for herringbone sewing machines as claimed in claim 1, wherein the fixing device comprises a straight bar (10) slidably connected inside the sliding bar (3), the straight bar (10) penetrates through the sliding bar (3), one end of the straight bar (10) located outside the sliding bar (3) is fixedly connected with a button (11) through gluing, a cavity (13) is formed inside the sliding bar (3), the other end of the straight bar (10) penetrates through the cavity (13), one end of the sliding bar (3) located inside the connecting block (1) is fixedly welded with a stopper (12), a spring (4) is fixedly welded on the stopper (12), and the other end of the spring (4) is fixedly welded on the inner wall of the sliding groove (2).

3. The presser foot of a herringbone sewing machine as claimed in claim 2, wherein one end of the straight rod (10) located inside the cavity (13) is rotatably connected with a connecting rod (14) through a pin shaft, the other end of the connecting rod (14) is rotatably connected with a disc (15) through a pin shaft, a cavity (16) is formed inside the disc (15), an energy storage coil spring (17) is welded and fixed on the inner wall of the cavity (16), a wheel shaft (18) is welded and fixed on the other end of the energy storage coil spring (17), and the wheel shaft (18) is welded and fixed on the inner wall of the cavity (13).

4. The presser foot of a herringbone sewing machine according to claim 1, wherein the permanent magnet (9) corresponds to the top of the presser foot (6), a non-slip mat (7) is glued and fixed to the bottom of the presser foot (6), and the non-slip mat (7) is made of rubber.

5. A presser foot for sewing machine of herringbone sewing machine according to claim 3, wherein a rotating rod (19) is rotatably connected to said disc (15) through a pin shaft, and said rotating rod (19) is rotatably connected to a fixing seat (20) through a pin shaft.

6. A presser foot for sewing machine of herringbone car as claimed in claim 5, wherein said fixing base (20) is welded to a stopper (21), said stopper (21) penetrates the sliding bar (3), said stopper (21) is engaged with the fixing teeth (8).