CN219099520U

CN219099520U - Detachable take-up lever for sewing machine

Info

Publication number: CN219099520U
Application number: CN202223001595.1U
Authority: CN
Inventors: 毛寓阳; 储陶进; 陈浩
Original assignee: Zhangjiagang Jincaiyang Machinery Co ltd
Current assignee: Zhangjiagang Jincaiyang Machinery Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-30
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a detachable thread take-up lever for a sewing machine, which comprises a bottom plate, a first rotating ring and a positioning ring, wherein two ends of the bottom plate are fixedly connected with side plates, mounting holes are formed in the side plates, the first rotating ring and the second rotating ring are respectively and slidably connected to two ends of the mounting holes, and first threaded holes are formed in the first rotating ring and the second rotating ring. According to the utility model, the suture thread sequentially passes through the first rotating ring and the first side ring, so that the suture thread is prevented from being directly contacted with the thread take-up lever in the process of being pulled, when the suture thread rubs with the first rotating ring and the first side ring in the thread take-up lever for a long time, the first rotating ring and the first side ring are required to be replaced, the whole thread take-up lever is not required to be replaced, the thread take-up lever is prevented from being positioned after the thread take-up lever is replaced, and meanwhile, the first side ring and the second side ring slide in the sliding groove, and the deviation of the suture thread in the moving process can be avoided.

Description

Detachable take-up lever for sewing machine

Technical Field

The utility model relates to the field of sewing machines, in particular to a detachable thread take-up lever for a sewing machine.

Background

A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads. 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 stitch is neat, beautiful, flat and firm, has high sewing speed and is simple and convenient to use;

in the sewing process of clothes, a machine needle drives a suture to be pricked into a product to be sewn, after a thread hooking mechanism hooks an upper thread, the thread hooking mechanism releases the upper thread, after the upper thread is released, the upper thread is tightened through a thread taking-up lever, and is interweaved with a bottom thread to form a stitch, so that the sewing of an article is completed, and when the sewing machine is used for sewing, the thread taking-up lever plays a role in conveying and recovering the needle thread and tightening the stitch.

However, when the thread pulling device is in actual use, as the thread needs to pass through the hole in the thread pulling rod, the thread can rub with the through hole in the thread pulling rod in the process of pulling the thread, so that the through hole in the thread pulling rod rubs uneven marks, and the thread is broken after contacting with the uneven marks in the moving process of the through hole.

Accordingly, it is necessary to invent a detachable take-up lever for a sewing machine to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a detachable thread take-up lever for a sewing machine, a suture thread sequentially passes through a first rotating ring and a first side ring, so that the suture thread is prevented from being directly contacted with the thread take-up lever in the process of being pulled, meanwhile, when the suture thread rubs with the first rotating ring and the first side ring in the thread take-up lever for a long time, the first rotating ring and the first side ring are required to be replaced, the whole thread take-up lever is not required to be replaced, the thread take-up lever is prevented from being positioned after the thread take-up lever is replaced, and meanwhile, the first side ring and the second side ring slide in a sliding groove, and the displacement of the suture thread in the moving process can be avoided, so that the defects in the technology are overcome.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a dismantlement formula take-up lever for sewing machine, includes bottom plate, first rotating ring and holding ring, bottom plate both ends fixedly connected with curb plate, the mounting hole has been seted up to the curb plate inside, first rotating ring and second rotating ring sliding connection respectively in the both ends of mounting hole, first screw hole has been seted up to first rotating ring and second rotating ring inside, the holding hole has been seted up in the middle of the bottom plate, the mounting groove has been seted up to the holding ring bottom, the sliding tray has been seted up at the holding ring top, the sliding tray outer wall rotates respectively and is connected with first side ring and second side ring, first side ring one side fixedly connected with is inserted the axle, first side ring and second side ring pass through the cartridge and are connected, the second screw hole has been seted up in the middle of the holding ring, second screw hole inner wall threaded connection has fastening bolt.

Preferably, the number of the side plates is two, the two side plates are respectively arranged at two ends of the bottom plate, and the vertical center line of the side plates and the horizontal center line of the bottom plate form an included angle of 90 degrees.

Preferably, the inner walls of the first rotating ring and the second rotating ring are made of stainless steel materials, and the first rotating ring and the second rotating ring are connected with the first threaded hole through fixing bolts.

Preferably, the outer wall of the positioning ring is fixedly provided with a return spring, and one end of the return spring is fixedly connected with the top in the middle of the bottom plate.

Preferably, the first side ring and the second side ring are respectively arranged in arc shapes, and the outer walls of the first side ring and the second side ring are provided with wire grooves.

Preferably, circular arc-shaped paying-off grooves are formed in the front ends of the first side ring and the second side ring, and the horizontal center line of each paying-off groove and the horizontal center line of each mounting hole are located on the same longitudinal section.

In the technical scheme, the utility model has the technical effects and advantages that:

1. through first rotating ring and first side ring, pass first rotating ring and first side ring in proper order with the suture, avoid the suture to be in the in-process that is pulled directly with the take-up lever contact, simultaneously when the suture rubs for a long time with first rotating ring and first side ring in the take-up lever, just need change first rotating ring and first side ring, and need not change the whole of take-up lever, need fix a position the take-up lever after avoiding changing the take-up lever, first side ring and second side ring slide in the sliding tray simultaneously, can avoid the suture to take place the skew at the in-process that removes.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

FIG. 2 is a perspective cross-sectional view of the present utility model;

FIG. 3 is a perspective view of a base plate of the present utility model;

FIG. 4 is an expanded perspective view of the retaining ring of the present utility model;

fig. 5 is an expanded perspective view of the side plate of the present utility model.

Reference numerals illustrate:

1. a bottom plate; 2. a side plate; 3. a mounting hole; 4. a first rotating ring; 5. a second rotating ring; 6. a first threaded hole; 7. a fixing bolt; 8. positioning holes; 9. a positioning ring; 10. a mounting groove; 11. a sliding groove; 12. a first side ring; 13. inserting a shaft; 14. a second side ring; 15. wire releasing grooves; 16. a second threaded hole; 17. a fastening bolt; 18. and a return spring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a detachable thread take-up lever for a sewing machine, which is shown in fig. 1-5, and comprises a bottom plate 1, a first rotating ring 4 and a positioning ring 9, wherein two ends of the bottom plate 1 are fixedly connected with side plates 2, mounting holes 3 are formed in the side plates 2, the first rotating ring 4 and the second rotating ring 5 are respectively and slidably connected to two ends of the mounting holes 3, first threaded holes 6 are formed in the first rotating ring 4 and the second rotating ring 5, a positioning hole 8 is formed in the middle of the bottom plate 1, a mounting groove 10 is formed in the bottom of the positioning ring 9, a sliding groove 11 is formed in the top of the positioning ring 9, a first side ring 12 and a second side ring 14 are respectively and rotatably connected to the outer wall of the sliding groove 11, an inserting shaft 13 is fixedly connected to one side of the first side ring 12 and the second side ring 14, a second threaded hole 16 is formed in the middle of the positioning ring 9, and a fastening bolt 17 is connected to the inner wall of the second threaded hole 16 in a threaded manner.

Further, in the above technical scheme, the quantity of curb plate 2 sets up to two, two curb plate 2 set up respectively in the both ends of bottom plate 1, the perpendicular central line of curb plate 2 is 90 contained angles with the horizontal central line of bottom plate 1, the inner wall of first rotating ring 4 and second rotating ring 5 is stainless steel material and makes, first rotating ring 4 and second rotating ring 5 pass through fixing bolt 7 and first screw hole 6 and are connected, and inside mounting hole 3 is installed to first rotating ring 4 and second rotating ring 5, then inserts fixing bolt 7 into first screw hole 6 with first rotating ring 4 and second rotating ring 5 fixed, makes first rotating ring 4 and second rotating ring 5 can change first rotating ring 4 and second rotating ring 5 fast after the in-process of long-time use appears the mar, avoids the suture to break at the in-process of removal.

Furthermore, in the above technical scheme, the outer wall of the positioning ring 9 is fixedly provided with the return spring 18, one end of the return spring 18 is fixedly connected with the top in the middle of the bottom plate 1, the suture pulls the bottom plate 1 to slide in the mounting groove 10 on the outer wall of the positioning ring 9 and drives the return spring 18 to be extruded, and after the suture is reset, the return spring 18 drives the bottom plate 1 to reset, so that the suture is stretched.

Further, in the above technical solution, the first side ring 12 and the second side ring 14 are respectively set to be circular arcs, the outer walls of the first side ring 12 and the second side ring 14 are provided with the wire releasing groove 15, the front ends of the first side ring 12 and the second side ring 14 are provided with the circular arc-shaped wire releasing groove 15, the horizontal center line of the wire releasing groove 15 and the horizontal center line of the mounting hole 3 are located in the same longitudinal section, the wire releasing groove 15 on the outer walls of the first side ring 12 and the second side ring 14 limits the seam, and the phenomenon that the seam is rubbed with other positions of the wire picking rod or wound at other positions of the wire picking rod in the pulling process is avoided to cause the seam to be broken.

The working principle of the utility model is as follows:

referring to fig. 1-5 of the specification, when a thread take-up lever is required to be mounted on the outer wall of a sewing machine, firstly, aligning a positioning ring 9 with a threaded hole on the outer wall of the sewing machine, then inserting a fastening bolt 17 into a second threaded hole 16, inserting one end of the fastening bolt 17 into the threaded hole of the sewing machine to mount a bottom plate 1 on the outer wall of the sewing machine, sequentially shaking a thread through the inner parts of a first rotating ring 4 and a mounting hole 3 on one side of the bottom plate 1 and bonding the outer walls of the thread with the outer walls of an inserting shaft 13 and a second side ring 14, then penetrating the thread through the inner parts of the first rotating ring 4 and the mounting hole 3 on the other side of the bottom plate 1, pulling the thread to move during the operation of the sewing machine, enabling the thread to drive the bottom plate 1 to slide on the outer wall of a mounting groove 10 and stretch a reset spring 18, and resetting the reset spring 18 to drive the bottom plate 1 to reset, and enabling the thread to be straightened;

referring to fig. 1 to 5 of the drawings, when the suture is slid on the outer walls of the first rotating ring 4, the second rotating ring 5, the first side ring 12 and the second side ring 14 for a long time, the first rotating ring 4, the second rotating ring 5, the first side ring 12 and the second side ring 14 need to be removed for replacement, the fixing bolts 7 connecting the first rotating ring 4 and the second rotating ring 5 are taken out, then the first rotating ring 4 and the second rotating ring 5 are taken out from the inside of the mounting hole 3 for replacement, then the inserting shaft 13 on one side of the first side ring 12 is directly pulled out from the hole of the second side ring 14, and the first side ring 12 and the second side ring 14 are taken out from the outer wall of the sliding groove 11 for replacement.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a dismantlement formula take-up lever for sewing machine, includes bottom plate (1), first rotating ring (4) and holding ring (9), its characterized in that: the utility model discloses a fixing device for a motor vehicle, including bottom plate (1), mounting hole (3) have been seted up to bottom plate (1) both ends fixedly connected with curb plate (2), mounting hole (3) have been seted up to inside curb plate (2), first rotation ring (4) and second rotation ring (5) sliding connection are in the both ends of mounting hole (3) respectively, first screw hole (6) have been seted up to inside rotation ring (4) and second rotation ring (5), locating hole (8) have been seted up in the middle of bottom plate (1), mounting groove (10) have been seted up to locating ring (9) bottom, sliding groove (11) have been seted up at locating ring (9) top, sliding groove (11) outer wall rotation respectively is connected with first side ring (12) and second side ring (14), first side ring (12) one side fixedly connected with cartridge (13), first side ring (12) and second side ring (14) are connected through cartridge (13) block, second screw hole (16) have been seted up in the middle of locating ring (9), second screw hole (16) inner wall threaded connection has fastening bolt (17).

2. A detachable take-up lever for a sewing machine according to claim 1, wherein: the number of the side plates (2) is two, the two side plates (2) are respectively arranged at two ends of the bottom plate (1), and the vertical center line of the side plates (2) and the horizontal center line of the bottom plate (1) form an included angle of 90 degrees.

3. A detachable take-up lever for a sewing machine according to claim 1, wherein: the inner walls of the first rotating ring (4) and the second rotating ring (5) are made of stainless steel materials, and the first rotating ring (4) and the second rotating ring (5) are connected with the first threaded hole (6) through the fixing bolt (7).

4. A detachable take-up lever for a sewing machine according to claim 1, wherein: the outer wall of the positioning ring (9) is fixedly provided with a return spring (18), and one end of the return spring (18) is fixedly connected with the top in the middle of the bottom plate (1).

5. A detachable take-up lever for a sewing machine according to claim 1, wherein: the first side ring (12) and the second side ring (14) are respectively arranged in an arc shape, and the outer walls of the first side ring (12) and the second side ring (14) are provided with wire grooves (15).

6. A detachable take-up lever for a sewing machine according to claim 1, wherein: circular arc-shaped paying-off grooves (15) are formed in the front ends of the first side ring (12) and the second side ring (14), and the horizontal center line of each paying-off groove (15) and the horizontal center line of each mounting hole (3) are located on the same longitudinal section.