CN220034864U

CN220034864U - Presser foot mechanism of sewing machine

Info

Publication number: CN220034864U
Application number: CN202321501272.0U
Authority: CN
Inventors: 蔡兰周
Original assignee: Zhejiang Lanzhou Clothing Co ltd
Current assignee: Zhejiang Lanzhou Clothing Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-17
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to the technical field of sewing machines, in particular to a presser foot mechanism of a sewing machine, which comprises a dismounting mechanism, wherein the dismounting mechanism is fixedly connected to the inside of a connecting rod, a lifting mechanism is fixedly connected to one side of the inner wall of a presser foot mechanism body, the dismounting mechanism is arranged, a first clamping block and a transverse plate are arranged in the structure, a connecting block fixedly connected with the presser foot plate is in threaded connection with the connecting rod, the transverse plate is arranged in the connecting rod and is in clamping connection with the first clamping blocks on two sides, if the first clamping block is required to be dismounted, a second hydraulic rod drives the first clamping block to rotate downwards, the transverse plate can be separated from the first clamping block, and the first clamping block is dismounted.

Description

Presser foot mechanism of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a presser foot mechanism of a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more types of stitch on the stitch, so that one or more layers of stitch can be interweaved or sewn, 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, the sewn stitch is tidy and beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and the auxiliary mechanisms such as hand-stitch computerized embroidery and the like are derived from the sewing machine, the sewing machine can be divided into household sewing machines according to the use of the sewing machine, the industrial sewing machine and the service industry between the two sewing machines can be divided into hand-operated sewing machines according to the driving mode, the foot-operated and electric sewing machines can be divided into hand-operated stitch imitation stitch, single-line chain stitch, single-line or multi-line-stitch, single-line or edge-covered chain stitch and multi-line covered chain stitch sewing machines, the machine head is a main part of the sewing machine, the sewing machine is composed of four mechanisms such as thorn material, the hook thread, the thread-operated and the thread-operated, the thread-operated and the thread-pressing material is reasonably matched according to the use of the sewing machine, the sewing machine can be divided into the domestic sewing machines, the sewing machines and the service industry is different from the sewing machines according to the need of the sewing machine.

Disclosure of Invention

The utility model aims to provide a presser foot mechanism of a sewing machine, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the presser foot mechanism of the sewing machine comprises a presser foot mechanism body and further comprises:

the connecting rod is arranged below the presser foot mechanism body;

the connecting block is in threaded connection with the connecting rod through a fixing screw;

the presser foot plate is fixedly connected with the connecting block;

the dismounting mechanism is fixedly connected to the inside of the connecting rod, sometimes cloth is not necessarily sewn, and possibly leather materials are needed, at the moment, the iron presser foot is needed to be replaced by plastic, so that friction force with the leather materials is reduced, convenience is brought to sewing, and therefore the dismounting mechanism is arranged;

the lifting mechanism is fixedly connected to one side of the inner wall of the presser foot mechanism body, and can control the presser foot plate to lift at will, and the height of the presser foot plate from the table top can be adjusted according to the thickness of a required material;

the cutting mechanism is fixedly connected to the inside of the presser foot board.

As a preferable scheme of the utility model, the second hydraulic rod is fixedly connected to two sides of the inner wall of the connecting rod;

one end of the first clamping block is hinged with the inner wall of the connecting rod;

wherein, first fixture block fixed connection is in the extension of second hydraulic stem, and the inside of connecting rod is provided with the diaphragm and is connected with the first fixture block joint of both sides, if need dismantle, and the second hydraulic stem drives first fixture block and rotates downwards, can break away from first fixture block with the diaphragm, takes off it, and is very convenient.

As a preferable scheme of the utility model, the screw thread is arranged at the bottom of the inside of the connecting rod;

the vertical plate is fixedly connected to the top of the connecting block, and one end of the vertical plate is fixedly connected with the transverse plate;

wherein, the diaphragm is connected with the first fixture block.

As a preferable scheme of the utility model, the motor is fixedly connected to one side of the inner wall of the presser foot mechanism body;

the first gear is fixedly connected to the output end of the motor and is in meshed connection with the second gear;

the threaded rod is fixedly connected to the central shaft of the second gear, and the starting motor controls the first gear and the second gear which is in meshed connection with the first gear to rotate, so that the threaded rod also rotates.

As a preferable scheme of the utility model, the sliding block penetrates through the threaded rod and is in threaded connection with the threaded rod, and the sliding block is fixedly connected with the first hydraulic rod, so that the sliding block penetrates through the threaded rod, and the sliding block drives the first hydraulic rod to lift;

the first spring is arranged outside the first hydraulic rod, and the spring is arranged outside the first hydraulic rod, so that when the presser foot board contacts with cloth, a buffering process is provided, and the cloth can be flattened more closely and then sewn;

the extending end of the first hydraulic rod is fixedly connected with the connecting rod.

As a preferable scheme of the utility model, the third hydraulic rod is fixedly connected to one side of the inner wall of the footplate, a second spring is arranged outside the extension end of the third hydraulic rod, and the cutter can be reset and fixed after cutting is completed each time through the second clamping block and the second spring;

the third hydraulic rod controls the cutter to horizontally move towards one side after the sewing process is finished, so that cotton threads inserted in the perforation can be cut, and the third hydraulic rod controls the cutter to horizontally move towards one side after the sewing process is finished, so that cotton threads inserted in the perforation can be cut.

As a preferable scheme of the utility model, the second clamping block is fixedly connected to two sides of the cutter;

and the perforation is arranged in the foot pressing plate.

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

according to the utility model, the dismounting mechanism is arranged, the first clamping block and the transverse plate are arranged in the structure, the connecting block fixedly connected with the presser foot plate is in threaded connection with the connecting rod, the transverse plate is arranged in the connecting rod and is in clamping connection with the first clamping blocks on two sides, if dismounting is needed, the second hydraulic rod drives the first clamping blocks to rotate downwards, the transverse plate can be separated from the first clamping blocks to be taken down, compared with the prior art, the dismounting mechanism has the effect of bringing convenience to the dismounting process of the presser foot mechanism, brings convenience to work, saves time cost, prolongs the service life of the sewing machine head, and strengthens the sewing effect of the sewing machine.

Drawings

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

FIG. 2 is a schematic overall elevational view of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the presser foot mechanism of the present utility model;

FIG. 4 is a schematic view of the internal structure of the clipping structure of the present utility model;

fig. 5 is a schematic view of the internal structure of the detachable structure of the present utility model.

In the figure: 1. a presser foot mechanism body; 2. a connecting rod; 3. foot pressing plates; 4. a first spring; 5. a first hydraulic lever; 6. a connecting block; 7. a slide block; 8. a riser; 9. a cross plate; 10. a first clamping block; 11. a second hydraulic lever; 12. a thread; 13. a fixing screw; 14. a threaded rod; 15. perforating; 16. a cutter; 17. a first gear; 18. a second clamping block; 19. a second spring; 20. a third hydraulic lever; 21. a motor; 22. and a second gear.

Detailed Description

In order to facilitate understanding of the technical means, objects and effects of the present utility model, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

It is to be noted that all terms used for directional and positional indication in the present utility model, such as: "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "low", "lateral", "longitudinal", "center", etc. are merely used to explain the relative positional relationship, connection, etc. between the components in a particular state (as shown in the drawings), and are merely for convenience of description of the present utility model, and do not require that the present utility model must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1-4, the present utility model provides a technical solution:

the presser foot mechanism of the sewing machine comprises a presser foot mechanism body 1 and further comprises:

the connecting rod 2 is arranged below the presser foot mechanism body 1;

the connecting block 6 is in threaded connection with the connecting rod 2 through a fixing screw 13;

the presser foot plate 3, the presser foot plate 3 is fixedly connected with the connecting block 6;

the dismounting mechanism is fixedly connected to the inside of the connecting rod 2, sometimes the cloth is not necessarily sewn, and possibly the leather material is needed, and at the moment, the iron presser foot is needed to be replaced by plastic, so that the friction force between the iron presser foot and the leather material is reduced, and convenience is brought to sewing, so that the dismounting mechanism is arranged;

the lifting mechanism is fixedly connected to one side of the inner wall of the presser foot mechanism body 1, and can control the presser foot plate 3 to lift at will, and the height of the presser foot plate 3 from the table top is adjusted according to the thickness of a required material;

the cutting mechanism is fixedly connected to the inside of the presser foot board 3.

As an example of the present utility model, the second hydraulic rod 11 is fixedly connected to both sides of the inner wall of the connecting rod 2;

the first clamping block 10, one end of the first clamping block 10 is hinged with the inner wall of the connecting rod 2;

the first clamping block 10 is fixedly connected to the extending end of the second hydraulic rod 11, the transverse plate 9 is arranged in the connecting rod 6 and is connected with the first clamping blocks 10 on two sides in a clamping mode, if disassembly is needed, the second hydraulic rod 11 drives the first clamping blocks 10 to rotate downwards, and the transverse plate 9 can be separated from the first clamping blocks 10 to be taken down conveniently.

As an example of the utility model, the thread 12 is provided at the bottom inside the connecting rod 2;

the vertical plate 8 is fixedly connected to the top of the connecting block 6, and one end of the vertical plate 8 is fixedly connected with the transverse plate 9;

wherein, the cross plate 9 is connected with the first clamping block 10 in a clamping way.

As an example of the present utility model, the motor 21 is fixedly connected to one side of the inner wall of the presser foot mechanism body 1;

the first gear 17, the first gear 17 is fixedly connected to the output end of the motor 21, and the first gear 17 is in meshed connection with the second gear 22;

the threaded rod 14, the threaded rod 14 is fixedly connected to the center shaft of the second gear 22, and the starting motor 21 controls the first gear 17 and the second gear 22 which is in meshed connection with the first gear to rotate, so that the threaded rod 14 also rotates.

As an example of the utility model, the sliding block 7 penetrates through and is in threaded connection with the threaded rod 14, the sliding block 7 is fixedly connected with the first hydraulic rod 5, and the sliding block 7 penetrates through the threaded rod 14, so that the sliding block 7 drives the first hydraulic rod 5 to lift;

the first spring 4 is arranged outside the first hydraulic rod 5, and the spring 4 is arranged outside the first hydraulic rod 5, so that when the foot pressing plate 3 contacts with cloth, a buffering process is provided, and the cloth can be flattened more snugly and then sewn;

wherein, the extension end of first hydraulic stem 5 is fixed connection with connecting rod 2.

As an example of the present utility model, the third hydraulic rod 20 is fixedly connected to one side of the inner wall of the footplate 3, and the second spring 19 is arranged outside the extension end of the third hydraulic rod 20, so that the cutter can be reset and fixed after each cutting through the second clamping block 18 and the second spring 19;

the cutter 16, the cutter 16 is fixedly connected to the extending end of the third hydraulic rod 20, after the sewing process is finished, the third hydraulic rod 20 controls the cutter 16 to move horizontally to one side, so that the cotton thread inserted in the perforation 15 can be cut, and after the sewing process is finished, the third hydraulic rod 20 controls the cutter 16 to move horizontally to one side, so that the cotton thread inserted in the perforation 15 can be cut.

As an example of the present utility model, the second clamping block 18 is fixedly connected to both sides of the cutter 16;

the through holes 15, the through holes 15 are provided in the inside of the footplate 3.

Working principle: during the use, place the cloth that needs to make up on sewing machine's table surface, start motor 21 control first gear 17 and the second gear 22 that is connected with it meshing rotate, consequently, threaded rod 14 also rotates thereupon, slider 7 runs through in threaded rod 14, make slider 7 drive first hydraulic stem 5 realize going up and down, the outside of first hydraulic stem 5 is provided with spring 4, when can letting presser foot 3 contact the cloth, there is a process of buffering, more can more the more clamp with the cloth flattening again make up, elevating system can control presser foot board 3 and go up and down at will, adjust the height of presser foot 3 from the table surface according to the thickness of material that needs, sometimes need not be by the cloth that is made, be likely to be the cortex material, at this moment need change the presser foot of iron into plastics, reduce the frictional force with the cortex material, make up and bring the convenience, therefore, be provided with detaching mechanism, connecting block 6 and connecting rod 2 threaded connection, and be provided with the first fixture block 10 block joint of diaphragm 9 and both sides in the inside connecting rod 6, need dismantle, second hydraulic stem 11 drive first hydraulic stem 10 and remove the first clamp block 10 down, can take place at the second clamp block 10 down at the level of the second clamp block 16, can be very convenient to make up the second clamp block 16, the manual work is accomplished at the second clamp block 20, the second side is cut out at the second clamp block is cut out at the side of the second clamp block is 16, the manual work, the second clamp block is convenient for doing the work, the work is cut down at the second clamp block is 20, can be cut down at the side of the manual work is convenient to the clamp 10, and the clamp 10, can be cut down at the clamp line is left down.

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 presser foot mechanism of the sewing machine comprises a presser foot mechanism body (1), and is characterized by further comprising:

the connecting rod (2) is arranged below the presser foot mechanism body (1);

the connecting block (6), the said connecting block (6) is threaded with connecting rod (2) through the set screw (13);

the presser foot plate (3), the presser foot plate (3) is fixedly connected with the connecting block (6);

the dismounting mechanism is fixedly connected to the inside of the connecting rod (2);

the lifting mechanism is fixedly connected to one side of the inner wall of the presser foot mechanism body (1);

the cutting mechanism is fixedly connected to the inside of the presser foot board (3).

2. The presser foot mechanism of a sewing machine of claim 1, wherein: the dismounting mechanism comprises:

the second hydraulic rods (11) are fixedly connected to two sides of the inner wall of the connecting rod (2);

the first clamping block (10), one end of the first clamping block (10) is hinged with the inner wall of the connecting rod (2);

the first clamping block (10) is fixedly connected to the extending end of the second hydraulic rod (11).

3. The presser foot mechanism of a sewing machine of claim 1, wherein: the dismounting mechanism comprises:

the thread (12) is arranged at the bottom of the inside of the connecting rod (2);

the vertical plate (8), the vertical plate (8) is fixedly connected to the top of the connecting block (6), and one end of the vertical plate (8) is fixedly connected with the transverse plate (9);

wherein, diaphragm (9) and first fixture block (10) block connection.

4. The presser foot mechanism of a sewing machine of claim 1, wherein: the lifting mechanism comprises:

the motor (21), the said motor (21) is fixedly connected to one side of the inner wall of the presser foot mechanism body (1);

the first gear (17), the said first gear (17) is fixedly connected to the output end of the motor (21), and the first gear (17) is meshed with the second gear (22);

and the threaded rod (14), wherein the threaded rod (14) is fixedly connected to the central shaft of the second gear (22).

5. The presser foot mechanism of a sewing machine of claim 1, wherein: the lifting mechanism comprises:

the sliding block (7), the sliding block (7) penetrates through and is connected with the threaded rod (14) in a threaded mode, and the sliding block (7) is fixedly connected with the first hydraulic rod (5);

a first spring (4), wherein the first spring (4) is arranged outside the first hydraulic rod (5);

wherein, the extension end of first hydraulic stem (5) is connected with connecting rod (2) fixed.

6. The presser foot mechanism of a sewing machine of claim 1, wherein: the cutting mechanism includes:

the third hydraulic rod (20) is fixedly connected to one side of the inner wall of the footplate (3), and a second spring (19) is arranged outside the extending end of the third hydraulic rod (20);

and the cutter (16) is fixedly connected to the extending end of the third hydraulic rod (20).

7. The presser foot mechanism of a sewing machine of claim 1, wherein: the cutting mechanism includes:

the second clamping blocks (18), wherein the second clamping blocks (18) are fixedly connected to two sides of the cutter (16);

and the perforation (15) is arranged in the foot pressing plate (3).