CN214736588U

CN214736588U - Bobbin-free threading device for sewing equipment

Info

Publication number: CN214736588U
Application number: CN202022858160.3U
Authority: CN
Inventors: 朱剑锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-16
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a sewing machine is with no cop latch threading device, including the rotating shuttle, the right side of rotating shuttle is provided with the gear, the quantity of gear is two and mutual parallel places, the outside fixedly connected with balance staff of gear, the one end fixed connection of gear is kept away from with the balance staff in the right side of rotating shuttle, the bottom meshing of gear has from the driving wheel, from the inboard fixedly connected with connecting axle of driving wheel, the inboard of gear is provided with the threading pipeline. The utility model discloses a once carry out direct production with the sewing thread threading of big section of thick bamboo, can improve work efficiency, need not frequently to change the bottom line moreover, need not change the bobbin, can directly save sewing machine's bobbin, the shuttle cover, and the spooling equipment of bottom line, practice thrift sewing machine's manufacturing cost, solved current sewing machine and need frequently change the bottom line bobbin in the use, extravagant workman operating time, sewing thread wiring causes the not beautiful problem of technology easily moreover.

Description

Bobbin-free threading device for sewing equipment

Technical Field

The utility model relates to a sewing machine technical field specifically is a sewing machine is with no shuttle peg threading device.

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 be used for sewing fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastics, paper and the like, and the sewn stitches are neat, beautiful, flat and firm. The sewing machine generally needs to interlace with the upper thread through the bottom thread and sews the cloth, but the bottom thread bobbin needs to be frequently changed in the use of the existing sewing machine, the working time of workers is wasted, and the sewing thread is connected with more threads, so that the process is not attractive.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a sewing machine is with no cop latch threading device possesses and need not frequently to change the bottom line, saves sewing machine's cop latch and shuttle cover's advantage, has solved current sewing machine and need frequently change the bottom line cop latch in the use, extravagant workman operating time, and sewing thread wiring causes the not pleasing to the eye problem of technology more easily moreover.

The utility model provides a following technical scheme: the utility model provides a sewing machine is with no cop latch threading device, includes the rotating shuttle, the right side of rotating shuttle is provided with the gear, the quantity of gear is two and places parallel to each other, the outside fixedly connected with balance staff of gear, the right side of rotating shuttle and the one end fixed connection that the gear was kept away from to the balance staff, the bottom meshing of gear has from the driving wheel, the inboard fixedly connected with connecting axle from the driving wheel, the inboard of gear is provided with the threading pipeline, the left end of threading pipeline runs through balance staff and rotating shuttle in proper order and extends to the left side of rotating the shuttle, balance staff and threading pipeline fixed connection, the right side of threading pipeline is provided with the sewing thread, the left end of sewing thread runs through the threading pipeline and extends to the left side of threading pipeline.

The left side of rotating shuttle is provided with the holding ring that the cover was established on the sewing thread surface, the right side of holding ring extends to the inside of threading pipeline and closely laminates with the internal surface of threading pipeline, the fixed threading pipeline of rear side extension and board of threading pipeline be connected fixedly to can prevent that the threading pipeline from following the pendulum shaft rotation, avoid the sewing thread to lead to wearing and tearing, scatter, knot and rupture phenomenon because of the spin friction.

The positioning ring is made of plastic wear-resistant material.

The threading pipeline is made of steel, penetrates into the swing shaft and is fixed through the fixed threading pipeline.

The utility model has the advantages as follows:

1. the utility model discloses a once carry out direct production with the sewing thread threading of big section of thick bamboo, can improve work efficiency, need not frequently to change the bottom line moreover, need not change the bobbin, can directly save sewing machine's bobbin, the shuttle cover, and the spooling equipment of bottom line, practice thrift sewing machine's manufacturing cost, solved current sewing machine and need frequently change the bottom line bobbin in the use, extravagant workman operating time, sewing thread wiring causes the not beautiful problem of technology easily moreover.

2. The utility model discloses a set up the holding ring, can support the sewing thread spacing, reduce the friction between sewing thread and the threading pipeline, prevent that the phenomenon that the sewing thread scatters because of wearing and tearing from appearing.

3. The utility model discloses a holding ring is made to plastic wear-resistant material, can reduce the influence that vibrations caused to the sewing thread, stability when improving the sewing thread and sewing.

4. The utility model discloses a threading pipeline and balance staff are connected to the welded mode, can improve the joint strength of threading pipeline and balance staff, make each direction of connection atress of threading pipeline and balance staff even.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the partial structure of the present invention;

FIG. 3 is a schematic sectional view of the local structure of the present invention with a positioning hook;

fig. 4 is a schematic left view of the local structure of the present invention.

In the figure: 1. a rotating shuttle; 2. a gear; 3. a pendulum shaft; 4. a driven wheel; 5. a connecting shaft; 6. threading a pipeline; 7. sewing thread; 8. a positioning ring; 9: and fixing the threading pipeline.

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.

As shown in fig. 1 to 4, the utility model discloses a rotating shuttle 1, rotating shuttle 1's right side is provided with gear 2, gear 2's quantity is two and mutual parallel places, gear 2's outside fixedly connected with balance staff 3, gear 2's one end fixed connection is kept away from with balance staff 3 to rotating shuttle 1's right side, gear 2's bottom meshing has from driving wheel 4, from the inboard fixedly connected with connecting axle 5 of driving wheel 4, gear 2's inboard is provided with threading pipeline 6, threading pipeline 6's left end runs through balance staff 3 and rotating shuttle 1 in proper order and extends to rotating shuttle 1's left side, threading pipeline 6 runs through balance staff 3 inside, threading pipeline 6's right side is provided with sewing thread 7, the left end of sewing thread 7 runs through threading pipeline 6 and extends to threading pipeline 6's left side.

Referring to fig. 2, a positioning ring 8 sleeved on the surface of the sewing thread 7 is arranged on the left side of the rotating shuttle 1, the right side of the positioning ring 8 extends to the inside of the threading pipe 6 and is tightly attached to the inner surface of the threading pipe 6, and the rear side extension part of the threading pipe is fixedly connected with a machine station fixing threading pipe 9.

The embodiment can support and limit the sewing thread 7 by arranging the positioning ring 8, reduce the friction between the sewing thread 7 and the threading pipeline 6 and prevent the sewing thread 7 from scattering due to abrasion.

Referring to fig. 1, the positioning ring 8 is made of a plastic wear-resistant material.

In the embodiment, the positioning ring 8 is made of the plastic wear-resistant material, so that the influence of vibration on the sewing thread 7 can be reduced, and the stability of the sewing thread 7 during sewing is improved.

Referring to fig. 1, the threading pipe 6 is made of steel, and the threading pipe 6 enters the interior of the rotating shuttle by penetrating through the swing shaft 3. The threading pipeline can be prevented from rotating along with the swing shaft and smoothly entering the interior of the rotating shuttle.

The utility model discloses a run through threading pipeline 6 and holding ring 8 with the one end of sewing thread 7 and fix and use in the inside of rotating shuttle 1, then transmit the torsion of balance staff 3 and gear 2 output through from driving wheel 4 and connecting axle 5, balance staff 3 and gear 2 promote the rotation of rotating shuttle 1 and cooperate external sewing machine needle to sew up the cloth.

Claims

1. A bobbin-less threading device for a sewing apparatus includes a rotary hook (1), characterized in that: the right side of the rotating shuttle (1) is provided with two gears (2), the two gears (2) are arranged in parallel, a swing shaft (3) is fixedly connected with the outer side of the gear (2), the right side of the rotating shuttle (1) is fixedly connected with one end of the swing shaft (3) far away from the gear (2), a driven wheel (4) is meshed at the bottom of the gear (2), a connecting shaft (5) is fixedly connected to the inner side of the driven wheel (4), a threading pipeline (6) is arranged on the inner side of the gear (2), the left end of the threading pipeline (6) sequentially penetrates through the swing shaft (3) and the rotating shuttle (1) and extends to the left side of the rotating shuttle (1), the swing shaft (3) is fixedly connected with a threading pipe (6), the right side of the threading pipe (6) is provided with a sewing thread (7), the left end of the sewing thread (7) penetrates through the threading pipe (6) and extends to the left side of the threading pipe (6).

2. The bobbin-less threading device for a sewing apparatus according to claim 1, wherein: a positioning ring (8) sleeved on the surface of a sewing thread (7) is arranged on the left side of the rotating shuttle (1), and the right side of the positioning ring (8) extends into the threading pipeline (6) and is tightly attached to the inner surface of the threading pipeline (6); the rear side extension part of the threading pipeline is connected and fixed with a machine station fixed threading pipeline (9).

3. The bobbin-less threading device for a sewing apparatus according to claim 2, wherein: the threading pipeline (6) penetrates through the inner side of the swing shaft (3).