CN217459838U

CN217459838U - Spring pullback device for sewing thread in shuttle bobbin of sewing machine

Info

Publication number: CN217459838U
Application number: CN202220847411.4U
Authority: CN
Inventors: 张余; 金个
Original assignee: Zhejiang Industry and Trade Vocational College
Current assignee: Zhejiang Industry and Trade Vocational College
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-20
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a sewing machine shuttle intracardiac suture spring pull-back device, including shuttle body and sewing machine body, the positive one side of shuttle body is fixedly installed with the pillar, the top of pillar is rotated and is installed the branch, one side of sewing machine body is fixed the joint and is had the mounting panel, the center department of one side of mounting panel is fixedly installed with the articulated elements, one side of articulated elements is articulated to have the sleeve, one side of sleeve inner chamber is fixedly installed with the spring; the utility model discloses a set up the sleeve for protect the spring, make the spring can not expose outside, be infected with the dust, through setting up the apron, be used for the person of facilitating the use to open the sleeve, and oil the surface of the inner chamber of spout and spring, reducing wear and corrosion, through the thrust that produces behind the spring deformation, can promote the slider and reset, the slider drives branch and removes, branch passes through the pillar and drives the shuttle core body and rotate, thereby reaches the purpose of carrying out the pull-back to the shuttle core body and reset.

Description

Spring pullback device for sewing thread in shuttle bobbin of sewing machine

Technical Field

The utility model relates to a sewing machine equipment technical field specifically is a sewing machine shuttle intracardiac suture spring pull-back device.

Background

The sewing machine is widely applicable to sewing patterns of various handbags, clothing, textiles, leather products, bags, shoes, belts, sports equipment and the like, meanwhile, the sewing machine can improve the image status of enterprises, for example, customers need to check factories and investigate the management level production capacity, equipment conditions and the like of the factories, and main ornament customers of many product brands all specify to use sewing decorative threads and patterns, so the sewing machine is one of the enterprise images, and the internal sewing thread spring pull-back device is one of the internal parts of the sewing machine.

When the existing internal suture spring pullback device is used, the spring is usually directly hung on the surface of the bobbin through a hook structure to be remembered to rebound, so that the spring is prone to stress unevenness when being stretched, meanwhile, the spring is lack of external protection, dust is prone to accumulating and rusting occurs, the service life of the internal suture spring pullback device is shortened, and therefore the internal suture spring pullback device of the sewing machine shuttle needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine intracardiac suture spring pull-back device possesses the atress even and can carry out the advantage protected to the spring, has improved the life of internal suture spring pull-back device 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: the utility model provides a sewing thread spring pullback device in sewing machine bobbin, includes bobbin body and sewing machine body, the positive one side fixed mounting of bobbin body has the pillar, the top of pillar is rotated and is installed branch, one side fixed clamping of sewing machine body has the mounting panel, the center department fixed mounting of mounting panel one side has the articulated elements, one side of articulated elements articulates there is the sleeve, one side fixed mounting of sleeve inner chamber has the spring, one side fixed mounting of spring has the slider, the one end of branch runs through sleeve and spring in proper order and extends to one side fixed mounting of telescopic inner chamber and slider.

Preferably, one side of the sewing machine body and the upper and lower both sides that are located the mounting panel are all fixedly mounted with spacing shells, the mounting panel passes through spacing shell and sewing machine body joint.

Preferably, the equal threaded connection in four corners department of mounting panel one side has first lead screw, the one end of first lead screw runs through the mounting panel and extends to the inside and the sewing machine body threaded connection of sewing machine body.

Preferably, the upper end and the lower end of the inner cavity of the sleeve are fixedly provided with sliding grooves matched with the sliding blocks, and the sliding blocks are connected with the inner walls of the sliding grooves in a sliding mode.

Preferably, the front of the sleeve is hinged with a cover plate, a second screw rod is fixedly mounted at the top of the front of the cover plate, the second screw rod penetrates through the cover plate and extends to the inside of the sleeve to be in threaded connection with the sleeve, and a groove is formed in the front of the cover plate.

Preferably, the front of installation shell is the opening form setting, the upper and lower both ends of mounting panel all are provided with the inclined plane, the inner chamber and the inclined plane laminating of installation shell.

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

the utility model discloses a set up the sleeve for protect the spring, make the spring can not expose outside, be infected with the dust, through setting up the apron, be used for the person of facilitating the use to open the sleeve, and oil the surface of the inner chamber of spout and spring, reducing wear and corrosion, through the thrust that produces behind the spring deformation, can promote the slider and reset, the slider drives branch and removes, branch passes through the pillar and drives the shuttle core body and rotate, thereby reaches the purpose of carrying out the pull-back to the shuttle core body and reset.

Drawings

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

FIG. 2 is a front sectional view of the mounting plate of the present invention;

FIG. 3 is a front sectional view of the sleeve of the present invention;

fig. 4 is a left side view structure diagram of the mounting plate of the present invention.

In the figure: 1. a bobbin body; 2. a sewing machine body; 3. mounting a plate; 4. a sleeve; 5. a spring; 6. a slider; 7. a strut; 8. a pillar; 9. a limiting shell; 10. a first lead screw; 11. a chute; 12. a cover plate; 13. a second lead screw; 14. an articulation member; 15. and (4) a groove.

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. 1-4, the present invention provides a technical solution: a spring pullback device for sewing threads in a bobbin of a sewing machine comprises a bobbin body 1 and a sewing machine body 2, wherein a support column 8 is fixedly arranged on one side of the front surface of the bobbin body 1, a support rod 7 is rotatably arranged at the top of the support column 8, an installation plate 3 is fixedly clamped and connected on one side of the sewing machine body 2, limiting shells 9 are fixedly arranged on one side of the sewing machine body 2 and positioned on the upper side and the lower side of the installation plate 3, and the installation plate 3 is clamped and connected with the sewing machine body 2 through the limiting shells 9; the limiting shell 9 is arranged and used for limiting the mounting plate 3 after being clamped, so that the purpose of convenient mounting is achieved;

four corners of one side of the mounting plate 3 are all in threaded connection with a first screw rod 10, and one end of the first screw rod 10 penetrates through the mounting plate 3 and extends into the interior of the stitching machine body 2 to be in threaded connection with the stitching machine body 2; by arranging the first screw rod 10, the first screw rod 10 is used for fixing the mounting plate 3, so that the phenomenon of offset of the mounting plate 3 is prevented;

the front surface of the limiting shell 9 is arranged in an opening shape, the upper end and the lower end of the mounting plate 3 are both provided with inclined surfaces, and the inner cavity of the limiting shell 9 is attached to the inclined surfaces; one side of the limiting shell 9 is arranged to be in an open shape, so that the mounting plate 3 can be conveniently placed in the limiting shell 9, and the inclined plane is arranged to further limit the mounting plate 3, so that the mounting plate 3 is prevented from falling off after the first screw rod 10 is loosened after long-term use;

a hinged part 14 is fixedly installed at the center of one side of the mounting plate 3, a sleeve 4 is hinged to one side of the hinged part 14, a spring 5 is fixedly installed at one side of an inner cavity of the sleeve 4, a sliding block 6 is fixedly installed at one side of the spring 5, sliding grooves 11 matched with the sliding block 6 are fixedly installed at the upper end and the lower end of the inner cavity of the sleeve 4, and the sliding block 6 is in sliding connection with the inner walls of the sliding grooves 11; the sleeve 4 is arranged and used for protecting the spring 5, so that the spring 5 is not exposed to the outside and is not polluted by dust; the sliding groove 11 is arranged for reducing the friction force between the sliding block 6 and the sleeve 4;

the front surface of the sleeve 4 is hinged with a cover plate 12, a second screw rod 13 is fixedly installed at the top of the front surface of the cover plate 12, the second screw rod 13 penetrates through the cover plate 12 and extends to the inside of the sleeve 4 to be in threaded connection with the sleeve 4, a groove 15 is formed in the front surface of the cover plate 12, the second screw rod 13 is arranged to fix the cover plate 12 and the sleeve 4, the cover plate 12 is prevented from falling off, the cover plate 12 is arranged to facilitate a user to open the sleeve 4, oil is applied to the inner cavity of the sliding groove 11 and the surface of the spring 5, and abrasion and corrosion are reduced;

one end of the supporting rod 7 penetrates through the sleeve 4 and the spring 5 in sequence and extends to one side of the inner cavity of the sleeve 4 and the sliding block 6 to be fixedly installed, the supporting rod 7 penetrates through the spring 5, the phenomenon that the spring 5 is bent is prevented, and the spring 5 can be stressed uniformly and has long service life.

The working principle is as follows: when the sewing machine works, the thread body in the sewing machine drives the shuttle core body 1 to rotate, the shuttle core body 1 drives the supporting column 8 to rotate, the supporting column 8 drives the supporting rod 7 to rotate, the supporting rod 7 drives the sliding block 6 to slide in the sliding groove 11, meanwhile, the sliding block 6 extrudes the spring 5, so that the spring 5 deforms, and meanwhile, the supporting rod 7 pulls the sleeve 4 to rotate on the surface of the mounting plate 3;

through the thrust produced behind the 5 deformation of spring, can promote slider 6 and reset, slider 6 drives branch 7 and removes, and branch 7 drives shuttle body 1 through pillar 8 and rotates to reach the mesh of pulling back the restoration to shuttle body 1.

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. The utility model provides a sewing thread spring pull-back device in sewing machine bobbin, includes bobbin body (1) and sewing machine body (2), its characterized in that: the front one side fixed mounting of shuttle cock body (1) has pillar (8), the top of pillar (8) is rotated and is installed branch (7), one side fixed joint of sewing machine body (2) has mounting panel (3), the center department fixed mounting of mounting panel (3) one side has articulated elements (14), one side of articulated elements (14) articulates there is sleeve (4), one side fixed mounting of sleeve (4) inner chamber has spring (5), one side fixed mounting of spring (5) has slider (6), the one end of branch (7) runs through sleeve (4) and spring (5) in proper order and extends to one side fixed mounting of the inner chamber of sleeve (4) and slider (6).

2. The spring pullback device for the inner stitch of the bobbin of the sewing machine according to claim 1, wherein: the sewing machine is characterized in that one side of the sewing machine body (2) is provided with a limiting shell (9) which is fixedly arranged on the upper side and the lower side of the mounting plate (3), and the mounting plate (3) is connected with the sewing machine body (2) in a clamping mode through the limiting shell (9).

3. The spring pullback device for the inner stitch of the bobbin of the sewing machine according to claim 1, wherein: the equal threaded connection in four corners department of mounting panel (3) one side has first lead screw (10), the one end of first lead screw (10) runs through mounting panel (3) and extends to the inside and the sewing machine body (2) threaded connection of sewing machine body (2).

4. The spring pullback device for the inner stitch of the bobbin of the sewing machine according to claim 1, wherein: the upper end and the lower end of the inner cavity of the sleeve (4) are fixedly provided with sliding grooves (11) matched with the sliding blocks (6), and the sliding blocks (6) are connected with the inner walls of the sliding grooves (11) in a sliding mode.

5. The spring pullback device for the inner stitch of the bobbin of the sewing machine according to claim 1, wherein: the front of the sleeve (4) is hinged with a cover plate (12), a second screw rod (13) is fixedly mounted at the top of the front of the cover plate (12), the second screw rod (13) penetrates through the cover plate (12) and extends to the inside of the sleeve (4) to be in threaded connection with the sleeve (4), and a groove (15) is formed in the front of the cover plate (12).

6. The spring pullback device for the inner stitch of the bobbin of the sewing machine according to claim 2, wherein: the front of spacing shell (9) is the opening form setting, the upper and lower both ends of mounting panel (3) all are provided with the inclined plane, the inner chamber and the inclined plane laminating of spacing shell (9).