CN222861833U

CN222861833U - Hand-held sewing machine capable of using multiple bobbins

Info

Publication number: CN222861833U
Application number: CN202421742850.4U
Authority: CN
Inventors: 纪国方; 江存秀
Original assignee: Qingdao Tongyao Shoes Co ltd
Current assignee: Qingdao Tongyao Shoes Co ltd
Priority date: 2024-07-23
Filing date: 2024-07-23
Publication date: 2025-05-13
Anticipated expiration: 2034-07-23

Abstract

The utility model discloses a handheld sewing machine capable of using multiple bobbins, which comprises a sewing machine body and a bobbin installation mechanism arranged at the front end of the sewing machine body, wherein the bobbin installation mechanism comprises a bottom plate, two telescopic rods and a limiting assembly, the bottom plate is arranged above the front end of the sewing machine body in the horizontal direction, the bottom of the bottom plate is rotationally connected with the sewing machine body through a rotating shaft, the two telescopic rods are arranged above the bottom plate at intervals in the longitudinal direction, the limiting assembly is arranged at one side of the front end of the sewing machine body and is positioned at the bottom of the bottom plate, two ends of the bottom plate are respectively provided with a limiting hole in the diagonal direction, and the limiting assembly is movably connected with the limiting holes. According to the handheld sewing machine, through the arrangement of the bottom plate, the telescopic rod and the limiting assembly, bobbins of different types can be replaced according to requirements, the universality of the sewing machine is improved, the use is flexible and convenient, and the equipment investment cost of enterprises is reduced.

Description

Hand-held sewing machine capable of using multiple bobbins

Technical Field

The utility model relates to the technical field of sewing appliances, in particular to a handheld sewing machine capable of using multiple bobbins.

Background

In the production and processing process of shoes such as leather shoes, cloth shoes and sport shoes, a sewing machine is required to sew hem lines between shoe uppers and shoe soles, splicing lines between cloth or leather and the like, most of sewing processes are completed by a large-scale sewing machine, but the corner positions on the shoes or positions which are required to be repaired due to leakage can not be inserted by the large-scale sewing machine, and the sewing process is usually required to be completed by a hand-held sewing machine.

Because the wire thicknesses of the wires used by different shoes are different, the spool forms of winding wires are different, the common spool forms are cylinder, cone, spindle and I-shaped, the different spool thicknesses and lengths are different, the existing hand-held sewing machine can only adapt to one specific form of spool, when the different spool needs to be used, the hand-held sewing machine matched with the existing hand-held sewing machine needs to be replaced, on one hand, the use is not flexible and convenient, operators need to replace the different hand-held sewing machines frequently, on the other hand, the hand-held sewing machines of various models need to be prepared, and unnecessary cost expenditure is increased for enterprises.

In view of the above, there is still a need for an improved structure of the conventional hand-held sewing machine.

Disclosure of utility model

In order to solve the problems, the utility model provides a handheld sewing machine capable of using various bobbins, which comprises a sewing machine body and a bobbin installation mechanism arranged at the front end of the sewing machine body, wherein the bobbin installation mechanism comprises a bottom plate, two telescopic rods and a limiting assembly, the bottom plate is arranged above the front end of the sewing machine body along the horizontal direction, the bottom of the bottom plate is rotationally connected with the sewing machine body through a rotating shaft, the two telescopic rods are arranged above the bottom plate along the longitudinal interval, the limiting assembly is arranged at one side of the front end of the sewing machine body and positioned at the bottom of the bottom plate, two ends of the bottom plate are respectively provided with a limiting hole along the diagonal direction, and the limiting assembly is movably connected with the limiting holes.

Further, the top of the telescopic rod is provided with a detachable positioning block.

Furthermore, the telescopic rod is internally provided with a conical groove, the bottom of the positioning block is provided with a conical rod, and the conical rod is arranged in the conical groove.

Further, the telescopic rod is internally provided with a thread groove, the bottom of the positioning block is provided with a threaded rod, and the threaded rod is arranged in the thread groove.

Further, spacing subassembly includes spacing groove, arc stopper and spacing spring, the lateral wall of spacing groove and sewing machine body is connected and is located the bottom plate below, but arc stopper upper and lower activity ground sets up in the spacing inslot, spacing spring sets up between arc stopper and spacing tank bottom portion.

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

According to the handheld sewing machine, through the arrangement of the bottom plate, the telescopic rod and the limiting assembly, bobbins of different types can be replaced according to requirements, the universality of the sewing machine is improved, the use is flexible and convenient, and the equipment investment cost of enterprises is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side view of a partial structure of the present utility model;

FIG. 3 is a schematic diagram of one embodiment of FIG. 2A;

FIG. 4 is a schematic diagram of another embodiment of FIG. 2A;

FIG. 5 is a partial cross-sectional view at B in FIG. 2;

FIG. 6 is a view of the use of the utility model in mounting a tapered spool;

FIG. 7 is a view showing the state of use of the present utility model for mounting a cylindrical spool;

Fig. 8 is a view showing a state of use of the installation of the spool according to the present utility model.

In the figure:

1-sewing machine body, 2-bottom plate, 3-telescopic link, 31-conical groove, 32-screw groove, 4-pivot, 5-locating piece, 51-conical rod, 52-threaded rod, 6-spacing hole, 7-spacing groove, 8-arc stopper, 9-spacing spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, the handheld sewing machine capable of using multiple bobbins in this embodiment comprises a sewing machine body 1 and a bobbin installation mechanism arranged at the front end of the sewing machine body 1, wherein the bobbin installation mechanism comprises a bottom plate 2, two telescopic rods 3 and a limiting component, the bottom plate 2 is arranged above the front end of the sewing machine body 1 along the horizontal direction, the bottom of the bottom plate is rotationally connected with the sewing machine body 1 through a rotating shaft 4, the two telescopic rods 3 are arranged above the bottom plate 2 along the longitudinal interval, a detachable positioning block 5 is arranged at the top of the telescopic rods 3, the limiting component is arranged at one side of the front end of the sewing machine body 1 and is positioned at the bottom of the bottom plate 2, two ends of the bottom plate 2 are respectively provided with a limiting hole 6 along the diagonal direction, and the limiting component is movably connected with the limiting hole 6.

The sewing machine body 1 adopts a mature handheld sewing machine in the market, the structure and principle of which are well known to those skilled in the art, and the application does not relate to the improvement of the sewing machine body 1, so the description is omitted here.

The telescopic rods 3 can stretch and retract according to the size of the bobbins, have certain damping, can stay at any height, limit the bobbins sleeved outside the telescopic rods 3 through the positioning blocks 5 at the top, prevent the bobbins from jumping during use, and the purpose of arranging the two telescopic rods 3 is to simultaneously install two bobbins, so that one bobbin is standby when the other bobbin is in use, and the bobbins can be flexibly switched.

In one embodiment, as shown in fig. 3, a tapered groove 31 is formed in the telescopic rod 3, a tapered rod 51 is formed at the bottom of the positioning block 5, the tapered rod 51 is arranged in the tapered groove 31, and connection between the tapered rod 51 and the tapered groove 31 is achieved through friction and extrusion of inclined planes.

As shown in fig. 4, in another embodiment, a thread groove 32 is formed in the telescopic rod 3, a threaded rod 52 is formed at the bottom of the positioning block 5, the threaded rod 52 is disposed in the thread groove 32, and the two are connected with the telescopic rod 3 by a bolt manner.

As shown in fig. 5, the limiting assembly comprises a limiting groove 7, an arc limiting block 8 and a limiting spring 9, wherein the limiting groove 7 is connected with the side wall of the sewing machine body 1 and is positioned below the bottom plate 2, the arc limiting block 8 can be vertically movably arranged in the limiting groove 7, and the limiting spring 9 is arranged between the arc limiting block 8 and the bottom of the limiting groove 7.

Under the action of the elastic force of the limiting spring 9, the top cambered surface part of the arc-shaped limiting block 8 is limited in the limiting hole 6, so that the position of the bottom plate 2 is kept stable, when the spool is replaced, the bottom plate 2 is slightly rotated forcefully, so that the arc-shaped limiting block 8 is separated from the limiting hole 6, and then the bottom plate 2 is continuously rotated for 180 degrees, so that the arc-shaped limiting block 8 enters the other limiting hole 6, and the positioning of the bottom plate 2 is realized.

As shown in fig. 6-8, by adjusting the length of the telescopic rod 3, the bobbin can be adapted to bobbins of various specifications, including but not limited to cone, cylinder and i-shape, so that the universality of the sewing machine is effectively improved, the use is flexible and convenient, and the equipment input cost of enterprises is reduced.

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

Claims

1. The handheld sewing machine capable of using various bobbins is characterized by comprising a sewing machine body and a bobbin installation mechanism arranged at the front end of the sewing machine body, wherein the bobbin installation mechanism comprises a bottom plate, two telescopic rods and a limiting assembly, the bottom plate is arranged above the front end of the sewing machine body in the horizontal direction, the bottom of the bottom plate is rotationally connected with the sewing machine body through a rotating shaft, the two telescopic rods are arranged above the bottom plate in the longitudinal interval, the limiting assembly is arranged at one side of the front end of the sewing machine body and is positioned at the bottom of the bottom plate, two ends of the bottom plate are respectively provided with a limiting hole in the diagonal direction, and the limiting assembly is movably connected with the limiting holes.

2. A hand-held sewing machine capable of using multiple spools as in claim 1, wherein the top of the telescoping rod is provided with a removable positioning block.

3. The hand-held sewing machine capable of using multiple bobbins according to claim 2, wherein the telescopic rod is internally provided with a conical groove, the bottom of the positioning block is provided with a conical rod, and the conical rod is arranged in the conical groove.

4. The hand-held sewing machine capable of using multiple bobbins according to claim 2, wherein the telescopic rod is internally provided with a thread groove, the bottom of the positioning block is provided with a threaded rod, and the threaded rod is arranged in the thread groove.

5. The hand-held sewing machine capable of using multiple bobbins according to any one of claims 1 to 4, wherein the limiting assembly comprises a limiting groove, an arc limiting block and a limiting spring, the limiting groove is connected with the side wall of the sewing machine body and is located below the bottom plate, the arc limiting block is arranged in the limiting groove in an up-and-down movable mode, and the limiting spring is arranged between the arc limiting block and the bottom of the limiting groove.