CN214882200U

CN214882200U - Sewing machine accessory

Info

Publication number: CN214882200U
Application number: CN202120146068.6U
Authority: CN
Inventors: 卢纯; 周敏; 章强; 杨建文
Original assignee: Fujian Xuhao Machinery Co ltd
Current assignee: Fujian Xuhao Machinery Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-26
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to the technical field of sewing machine accessories, in particular to a sewing machine accessory, which comprises a shuttle race, a shuttle hook, a shuttle shell, a pulling plate and a shuttle peg, wherein the center of the bottom of the shuttle race is fixedly provided with a shuttle race shaft lever, the base surface of the shuttle race is provided with a thread passing notch, the shuttle hook is embedded and installed inside the shuttle race, the center of the shuttle hook is fixedly provided with a limit shaft, the shuttle peg is sleeved on the limit shaft, the top end of the limit shaft is movably provided with a limit clamp, the top of the shuttle hook is provided with the shuttle shell, the top level of the shuttle shell is provided with the pulling plate, a spring is fixedly installed between the pulling plate and the shuttle shell, the two inner sides of a thread outlet groove are respectively provided with a first pulling flat wheel and a second pulling flat wheel, the whole device of the utility model has the advantages of simple structure and flat pulling function of the shuttle thread, thereby effectively preventing the shuttle thread from knotting caused by the fact that the shuttle thread is partially loosened and superposed for many times, affecting the working progress of the sewing machine and having certain popularization effect.

Description

Sewing machine accessory

Technical Field

The utility model relates to a sewing machine accessory technical field specifically is a sewing machine accessory.

Background

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, the sewed stitch is neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, the derived artistic forms of hand-push embroidery, computer embroidery and the like are adopted, and the general sewing machine consists of four parts, namely a machine head, a machine base, a transmission part and an accessory part, meanwhile, the machine head is the main part of the sewing machine and consists of four mechanisms of material needling, thread hooking, thread picking and feeding, auxiliary mechanisms of winding, material pressing, tooth dropping and the like, the movement of the mechanisms are reasonably matched and work circularly to sew up the sewing materials, the thread shuttle is the main thread outlet accessory, but the existing thread shuttle has no function of stretching the thread of the shuttle and is easy to have local looseness during the pause operation, the knotting of the shuttle thread can be caused after the partial looseness and the superposition for many times, and the working progress of the sewing machine is greatly influenced, so that the problem is improved by a sewing machine accessory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine accessory to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sewing machine accessory comprises a shuttle race, a shuttle shell, a stretching plate and a shuttle peg, wherein a shuttle race shaft rod is fixedly installed at the center of the bottom of the shuttle race, a thread passing notch is formed in the base surface of the shuttle race, the shuttle is embedded and installed in the shuttle race, a limiting shaft is fixedly installed at the center of the interior of the shuttle swing, the shuttle peg is sleeved on the limiting shaft, a limiting clamp is movably installed at the top end of the limiting shaft, the shuttle shell is installed at the top of the shuttle swing, a stretching plate is horizontally arranged at the top of the shuttle shell, a spring is fixedly installed between the stretching plate and the shuttle shell, a wire outlet groove is formed in the center of the stretching plate, a first stretching flat wheel and a second stretching flat wheel are respectively arranged on two sides of the interior of the wire outlet groove, a stretching area is arranged between the first stretching flat wheel and the second stretching flat wheel, movable cavities are formed in two sides of the interior of the stretching plate close to the wire outlet groove, and one sides of the first stretching flat wheel and the second stretching flat wheel, which are far away from the stretching area, are all arranged in the movable cavity, and the first stretching flat wheel, the second stretching flat wheel and the stretching flat plate are all fixedly installed through the movable shaft.

Preferably, the top end of the limiting clamp is inclined and hinged with the limiting shaft.

Preferably, the shuttle race and the shuttle race shaft rod are integrally formed, and the shuttle race and the shuttle shell are clamped.

Preferably, the first flattening wheel and the second flattening wheel are mutually attached at one side close to the stretching area, and the shuttle thread is arranged between the first flattening wheel and the second flattening wheel.

Preferably, a bobbin case is provided with a bobbin case slot near the thread outlet slot, and the top surface of the bobbin case is slidably provided with a thread breaking blade.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, when in installation, the bobbin to be installed can pass through the limiting jacket to be arranged on the limiting shaft, then the bobbin is arranged in the shuttle hook, then the limiting clip can be overturned to fix and limit the bobbin, and simultaneously one end of the bobbin thread on the bobbin passes through the thread passing notch of the base surface of the shuttle race, meanwhile, the bobbin case and the shuttle race are clamped, one end of the bobbin thread passing through the thread passing notch continues to pass through the interiors of the thread passing notch and the thread outgoing notch, and the bobbin thread is arranged between the first stretching flat wheel and the second stretching flat wheel in the stretching area, when in use, the bobbin thread on the bobbin continuously expands to sequentially pass through the interiors of the thread passing notch, the thread passing through the thread leading notch and the thread outgoing notch, comes to the stretching area, and generates longitudinal torque force between the first stretching flat wheel and the second stretching flat wheel, and when the bobbin thread overcomes the torque force, the sewing machine needs to provide a traction force, thereby the bobbin thread can be stretched flatly, the thread shuttle accessory on the sewing machine has the function of stretching the shuttle thread to be flat by the aid of the structures of the stretching flat plate, the spring, the first stretching flat wheel, the second stretching flat wheel and the thread outlet groove, and the shuttle thread can be effectively prevented from being knotted after the partial loosening superposition appears for many times, so that the working progress of the sewing machine is influenced.

Drawings

FIG. 1 is a schematic view of the overall installation front view external structure of the present invention;

FIG. 2 is a schematic view of the overall unfolded front view internal structure of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure A of the present invention;

in the figure: 1. a shuttle bed; 2. a shuttle is swung; 3. a bobbin case; 4. stretching the flat plate; 5. a spring; 6. a wire passing notch; 7. a spindle shaft; 8. a bobbin; 9. a limiting clamp; 10. a limiting shaft; 11. an outlet groove; 12. a first flattening wheel; 13. second, stretching the flat wheels; 14. a movable cavity; 15. a stretching zone; 16. a movable shaft.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a sewing machine accessory comprises a shuttle race 1, a shuttle-laying shaft lever 7, a bobbin case 3, a stretching plate 4 and a bobbin 8, wherein the center of the bottom of the shuttle race 1 is fixedly provided with the shuttle race shaft lever 7, the base surface of the shuttle race 1 is provided with a thread-passing notch 6, the shuttle-laying shaft 2 is embedded and arranged in the shuttle race 1, the center of the interior of the shuttle-laying shaft 2 is fixedly provided with a limiting shaft 10, the bobbin 8 is sleeved on the limiting shaft 10, the top end of the limiting shaft 10 is movably provided with a limiting clamp 9, the top of the shuttle-laying shaft 2 is provided with the shuttle case 3, the top of the shuttle case 3 is horizontally provided with the stretching plate 4, a spring 5 is fixedly arranged between the stretching plate 4 and the shuttle case 3, the center of the stretching plate 4 is provided with a thread-out groove 11, the two sides in the interior of the thread-out groove 11 are respectively provided with a first stretching flat wheel 12 and a second stretching flat wheel 13, and a stretching area 15 is arranged between the first stretching flat wheel 12 and the second stretching flat wheel 13, the two sides of the interior of the flat stretching plate 4 close to the wire outlet groove 11 are respectively provided with a movable cavity 14, the sides of the first flat stretching wheel 12 and the second flat stretching wheel 13 far away from the stretching area 15 are respectively arranged in the movable cavities 14, the first flat stretching wheel 12, the second flat stretching wheel 13 and the flat stretching plate 4 are fixedly arranged through movable shafts 16, during installation, a bobbin 8 to be installed can pass through a limiting clamp 9 and be sleeved on the limiting shaft 10, the bobbin 8 is arranged in the shuttle 2 at the moment, then the limiting clamp 9 can be turned over to fixedly limit the bobbin 8, meanwhile, one end of a bobbin thread on the bobbin 8 passes through a thread passing notch 6 of a base surface of the shuttle race 1, meanwhile, the shuttle shell 3 is clamped with the shuttle race 1, one end of the bobbin thread passing through the thread passing notch 6 continuously passes through the interior of the shuttle thread groove and the wire outlet groove 11, and the shuttle thread is arranged between the first flat stretching area 15 and the second flat stretching wheel 12, when in use, the shuttle thread on the bobbin 8 continuously expands and sequentially passes through the inside of the thread passing notch 6, the shuttle thread groove and the thread outlet groove 11 to the stretching area 15, and generates longitudinal torque force between the shuttle thread and the first stretching flat wheel 12 and the second stretching flat wheel 13, and the shuttle thread needs to provide a traction force when overcoming the torque force, so that the shuttle thread can be stretched and flat when passing through the stretching area 15, the shuttle thread is stretched and flat in a tight state after being led out, meanwhile, the traction force can also drive the stretching flat plate 4 to be upward by the shuttle thread, the spring 5 is in an expanded state, if the subsequent traction force is suspended, the led-out shuttle thread is locally loose, the stretching flat plate 4 can rebound to stretch the locally loose shuttle thread by the counter force of the spring 5, the work can be continuously recovered, and the thread on the sewing machine has the function of stretching the shuttle thread by the structures of the stretching flat plate 4, the spring 5, the first stretching flat wheel 12, the second stretching flat wheel 13 and the thread outlet groove 11, the sewing machine can effectively prevent the shuttle thread from knotting due to the fact that the shuttle thread is partially loosened and overlapped for many times, and the working progress of the sewing machine is influenced.

The utility model discloses the theory of operation: when the shuttle hook is installed, a bobbin 8 to be installed can pass through the limiting clamp 9 to be sleeved on the limiting shaft 10, the bobbin 8 is arranged in the shuttle hook 2, then the limiting clamp 9 can be turned over to fix and limit the bobbin 8, one end of a shuttle line on the bobbin 8 passes through the thread passing notch 6 on the base surface of the shuttle hook 1, meanwhile, the bobbin shell 3 and the shuttle hook 1 are clamped, one end of the shuttle line passing through the thread passing notch 6 continuously passes through the shuttle line groove and the thread outlet groove 11, the shuttle line is arranged between the first stretching flat wheel 12 and the second stretching flat wheel 13 in the stretching area 15, when the shuttle hook is used, the shuttle line on the bobbin 8 is continuously stretched and sequentially passes through the interiors of the thread passing notch 6, the shuttle line groove and the thread outlet groove 11 to reach the stretching area 15, and generates longitudinal torque force between the first stretching flat wheel 12 and the second stretching flat wheel 13, and when the shuttle line overcomes the torque force, the sewing machine is required to provide a traction force, therefore, the shuttle thread can be stretched and leveled when passing through the stretching area 15, the shuttle thread is stretched and tensioned, the stretching plate 4 can be driven by the shuttle thread to move upwards by the traction force of the shuttle thread, the spring 5 is in the stretching state at the moment, if the guided shuttle thread is locally loosened after the subsequent traction force is suspended, the shuttle thread stretched and leveled by the stretching plate 4 can be stretched and leveled by the counter-force resilience of the spring 5, and the operation can be continuously recovered.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sewing machine accessory comprises a shuttle bed (1), a shuttle hook (2), a bobbin case (3), a stretching plate (4) and a bobbin (8), and is characterized in that: a shuttle race shaft lever (7) is fixedly installed at the center of the bottom of the shuttle race (1), a thread passing notch (6) is formed in the base surface of the shuttle race (1), a shuttle hook (2) is embedded and installed inside the shuttle race (1), a limiting shaft (10) is fixedly installed at the center of the inside of the shuttle hook (2), a bobbin (8) is sleeved on the limiting shaft (10), a limiting clamp (9) is movably installed at the top end of the limiting shaft (10), a shuttle shell (3) is installed at the top of the shuttle hook (2), a stretching plate (4) is horizontally arranged at the top of the shuttle shell (3), a spring (5) is fixedly installed between the stretching plate (4) and the shuttle shell (3), a thread outlet groove (11) is formed at the center of the stretching plate (4), and a first stretching flat wheel (12) and a second stretching flat wheel (13) are respectively arranged at two sides inside the thread outlet groove (11), a stretching area (15) is arranged between the first stretching flat wheel (12) and the second stretching flat wheel (13), movable cavities (14) are arranged on two sides, close to the wire outlet groove (11), of the stretched flat plate (4), one sides, far away from the stretching area (15), of the first stretching flat wheel (12) and the second stretching flat wheel (13) are arranged inside the movable cavities (14), and the first stretching flat wheel (12), the second stretching flat wheel (13) and the stretched flat plate (4) are fixedly installed through movable shafts (16).

2. A sewing machine accessory according to claim 1, wherein: the top end of the limiting clamp (9) is inclined and hinged with the limiting shaft (10).

3. A sewing machine accessory according to claim 1, wherein: the shuttle race (1) and the shuttle race shaft lever (7) are integrally formed, and the shuttle race (1) is clamped with the shuttle shell (3).

4. A sewing machine accessory according to claim 1, wherein: the first flattening wheel (12) and the second flattening wheel (13) are mutually attached at one side close to the stretching area (15), and the shuttle thread is arranged between the first flattening wheel and the second flattening wheel.

5. A sewing machine accessory according to claim 1, wherein: a shuttle line groove is formed in the shuttle shell (3) close to the line outlet groove (11), and a line breaking blade is slidably mounted on the top surface of the shuttle shell (3).