CN220450442U

CN220450442U - Presser foot structure of sewing machine

Info

Publication number: CN220450442U
Application number: CN202321578504.2U
Authority: CN
Inventors: 董泽文
Original assignee: Jiande Libo Bedding Co ltd
Current assignee: Jiande Libo Bedding Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-02-06
Anticipated expiration: 2033-06-20

Abstract

The utility model belongs to the technical field of sewing machines, in particular to a presser foot structure of a sewing machine, which comprises a presser foot main body; a main body bin is arranged in the presser foot main body; a lifting assembly is arranged in the main body bin; the lifting assembly comprises a lifting groove; through the lifting unit who sets up in the main part storehouse makes two sets of presser feet reciprocate respectively, including lifter block and lift groove etc. in the lifting unit, the lift groove is offered on the lateral wall in main part storehouse, lifter block joint is in the lift inslot, and the lifter block rigid coupling is on the lateral wall of holding down plate, set up the top at the holding down plate, rigid coupling damping and extension spring between the two, the below sets up sliding bottom plate, when two sets of sliding bottom plates touch the cloth of touching different thickness, the accessible extension spring gives certain rise space, make two sets of sliding bottom plates stagger, two sets of sliding bottom plates still compress tightly the cloth when staggering, the unsettled unstable scheduling problem of messenger's cloth of effectual avoiding presser foot one side.

Description

Presser foot structure of sewing machine

Technical Field

The utility model belongs to the technical field of sewing machines, and particularly relates to a presser foot structure of a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitch on the sewing material, so that one or more layers of the sewing material are interwoven or sewn together, the presser foot of the sewing machine is an essential important part in a feeding mechanism of the sewing machine, and different stitches play different roles.

The existing sewing machine presser foot is fixed to cloth through the bottom end of the sliding bottom plate when in use through the structures such as the installation fixing bottom plate and the sliding bottom plate, slipping is prevented, and meanwhile the sliding bottom plate can be adjusted according to the cloth through the structures such as the fixing cross rod and the sliding groove.

In the prior art, the thickness of cloth at the position of the presser foot is different when the cloth is sewn, most of the suspended conditions at one side of the presser foot can occur, and the cloth can not be fixed by the presser foot, so that the cloth is loosened when being sewn, and the sewing accuracy is affected.

Accordingly, a presser foot structure of a sewing machine is proposed for the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems, the presser foot structure of the sewing machine is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a presser foot structure of a sewing machine, which comprises a presser foot main body; a main body bin is arranged in the presser foot main body; a lifting assembly is arranged in the main body bin; the lifting assembly comprises a lifting groove; the lifting groove is formed in the side wall of the main body bin; a lifting block is connected in a sliding manner in the lifting groove; the lifting block is fixedly connected with a lower pressing plate; the lower pressing plate is fixedly connected with a damper; an upper pressing plate is fixedly connected to one end of the damper; a telescopic spring is fixedly connected between the upper pressing plate and the lower pressing plate; the upper pressing plate and the lower pressing plate are respectively provided with two groups; and the side walls of the two groups of lower pressing plates are fixedly connected with lifting blocks.

Preferably, the bottom of the lower pressing plate is fixedly connected with a connecting column; the bottom of the connecting column is provided with a groove; a presser foot assembly is arranged in the groove; the presser foot assembly comprises a swinging shaft.

Preferably, the swinging shaft is rotatably connected in the groove; the swing shaft is fixedly connected with a swing column; the bottom of the swing column is fixedly connected with a sliding pressing plate.

Preferably, the bottom of the sliding pressing plate is fixedly connected with a fixing plate; the fixed plate is rotatably connected with a rotating shaft; and the rotating shaft is sleeved with a pressing wheel.

Preferably, the bottom of the sliding pressing plate is fixedly connected with a pressing pad; the sliding pressing plate is provided with two groups.

Preferably, the presser foot main body is provided with a connecting hole; and a needle ring is fixedly connected below the connecting hole.

The utility model has the beneficial effects that:

1. the utility model provides a presser foot structure of a sewing machine, wherein two groups of presser feet can respectively move up and down through a lifting assembly arranged in a main body bin, the lifting assembly comprises a lifting block, a lifting groove and the like, the lifting groove is formed in the side wall of the main body bin, the lifting block is clamped in the lifting groove and fixedly connected to the side wall of a lower pressing plate, an upper pressing plate is arranged above the lower pressing plate, damping and a telescopic spring are fixedly connected between the upper pressing plate and the lower pressing plate, and sliding pressing plates are arranged below the upper pressing plate.

2. The utility model provides a presser foot structure of a sewing machine, which further prevents cloth from shifting through structures such as a pressing wheel at the bottom of a sliding pressing plate, wherein the pressing wheel is arranged at a tilting part of the sliding pressing plate through a rotating shaft and a fixed plate, the cloth can slightly shift during sewing, the pressing wheel is pressed to prevent the cloth from shifting greatly, the subsequent sewing is influenced, and the needle thread is prevented from shifting during sewing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a cross-sectional view of the present utility model;

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

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a perspective view of the present utility model;

FIG. 5 is a cross-sectional view of the present utility model;

legend description:

1. a presser foot main body; 2. a connection hole; 3. a main body bin; 4. an upper press plate; 5. damping; 6. a telescopic spring; 7. a connecting column; 8. a groove; 9. a swing shaft; 10. a swing column; 11. a sliding pressure plate; 12. a pressing pad; 13. a fixing plate; 14. a lower pressing plate; 15. a lifting groove; 16. a rotating shaft; 17. a pinch roller; 18. a needle ring; 19. lifting blocks.

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.

Specific examples are given below.

Referring to fig. 1 to 5, the present utility model provides a presser foot structure of a sewing machine, comprising a presser foot main body 1; a main body bin 3 is arranged in the presser foot main body 1; a lifting assembly is arranged in the main body bin 3; the lifting assembly comprises a lifting groove 15; the lifting groove 15 is formed in the side wall of the main body bin 3; a lifting block 19 is connected in a sliding manner in the lifting groove 15; the lifting block 19 is fixedly connected with a lower pressing plate 14; the lower pressing plate 14 is fixedly connected with a damping 5; one end of the damper 5 is fixedly connected with an upper pressing plate 4; a telescopic spring 6 is fixedly connected between the upper pressing plate 4 and the lower pressing plate 14; the upper pressing plate 4 and the lower pressing plate 14 are respectively provided with two groups; the side walls of the two groups of lower pressing plates 14 are fixedly connected with lifting blocks 19; the existing sewing machine presser foot is through installing fixed bottom plate, structure such as sliding pressure board 11, sliding pressure board 11 bottom is fixed the cloth when using, prevent to skid, make sliding pressure board 11 can be according to cloth adjustment position among the current prior art through fixed horizontal pole and spout isotructure simultaneously, the unsettled condition in most presser foot department cloth thickness appears when cloth is sewn, because the unable fixed cloth in presser foot, exist not hard up with the cloth when sewing, result in sewing accuracy to be influenced, in order to prevent such event emergence, during operation, main part storehouse 3 has been seted up in presser foot main part 1, lifting assembly has been set up in main part storehouse 3, wherein lifting assembly includes lift groove 15 etc. lifting groove 15 is seted up on the lateral wall in main part storehouse 3, sliding connection lifter 19 in lifting groove 15, lifter 19 rigid coupling is on the lateral wall of presser foot 14, and lifter 19 corresponds lift groove 15 and be provided with the multiunit, be provided with upper pressure plate 4 in the clamp 14 top, rigid coupling damping 5 and expansion spring 6 between the two sets, in order to have two sets of structures, the presser foot rigid coupling is pressed in the below of lower pressure plate 14 respectively, the thickness is different in the presser foot body 1, wherein the presser foot is pressed down by the elastic spring 5 when the elastic spring is pressed down to one side, the condition can take place under the condition, the fact is pressed down to the cloth, and the elastic force is still pressed down to one side to the cloth.

Further, as shown in fig. 1 and 2, the bottom of the lower pressing plate 14 is fixedly connected with a connecting column 7; a groove 8 is formed in the bottom of the connecting column 7; a presser foot assembly is arranged in the groove 8; the presser foot assembly comprises a swinging shaft 9, a connecting column 7 is fixedly connected to the bottom of a lower pressing plate 14 in operation, a groove 8 is formed in the bottom of the connecting column 7, the swinging shaft 9 is connected in a rotating mode in the groove 8, and the swinging shaft 9 can control the presser foot to swing in a small amplitude due to the fact that the sewing speed of the sewing machine is high, and cloth tearing during moving of the presser foot is prevented.

Further, as shown in fig. 1, the swinging shaft 9 is rotatably connected in the groove 8; a swing column 10 is fixedly connected to the swing shaft 9; the bottom of the swinging column 10 is fixedly connected with a sliding pressing plate 11, when the cloth tearing machine works, the swinging column 10 is fixedly connected to the swinging shaft 9, the bottom of the swinging column 10 is fixedly connected with the sliding pressing plate 11, the sliding pressing plate 11 continuously moves forwards when pressing cloth, the swinging column 10 swings in a small amplitude along with the swinging shaft 9, and the cloth is prevented from being torn due to the fact that the cloth is directly pressed during swinging.

Further, as shown in fig. 2, a fixed plate 13 is fixedly connected to the bottom of the sliding pressing plate 11; the fixed plate 13 is rotatably connected with a rotating shaft 16; the pinch roller 17 has been cup jointed on the pivot 16, and during operation, at slip clamp plate 11 rigid coupling fixed plate 13, fixed plate 13 internal rotation connection pivot 16 cup joints pinch roller 17 on pivot 16, and pinch roller 17 passes through pivot 16 and fixed plate 13 setting up at the perk portion department of slip clamp plate 11, and slight off-set can take place for the cloth when sewing, and it is great to prevent that the cloth off-set from pressing pinch roller 17, influences follow-up sewing, and prevents that the needle line from taking place circumstances such as dislocation when sewing.

Further, as shown in fig. 5, the bottom of the sliding pressing plate 11 is fixedly connected with a pressing pad 12; the sliding pressing plates 11 are provided with two groups, and the pressing pads 12 can protect cloth from being damaged by the pressing feet when in operation, and the sliding pressing plates 11 are provided with two groups corresponding to the two groups of lower pressing plates 14.

Further, as shown in fig. 4, the presser foot main body 1 is provided with a connecting hole 2; the needle ring 18 is fixedly connected below the connecting hole 2, and when the sewing machine is in operation, the presser foot main body 1 is connected to the sewing machine through the connecting hole 2, and the needle ring 18 is used for limiting a needle position.

Working principle: through the lifting assembly who sets up in main part storehouse 3 makes two sets of presser feet reciprocate respectively, including lifter 19 and lift groove 15 etc. in the lifting assembly, lift groove 15 is seted up on the lateral wall of main part storehouse 3, lifter 19 joint is in lift groove 15, and lifter 19 rigid coupling is on the lateral wall of holding down plate 14, set up upper plate 4 in the top of holding down plate 14, rigid coupling damping 5 and extension spring 6 between the two, the below sets up sliding pressure plate 11, when two sets of sliding pressure plates 11 touch the cloth of touching different thickness, the accessible extension spring 6 gives certain rise space, makes two sets of sliding pressure plates 11 stagger, two sets of sliding pressure plates 11 still compress tightly the cloth when staggering, can effectually avoid presser foot one side unsettled make cloth fixed unstable scheduling problem.

Wherein, through the pinch roller 17 of the bottom of the sliding pressure plate 11 and other structures, the pinch roller 17 is arranged at the part of the tilting part of the sliding pressure plate 11 through the rotating shaft 16 and the fixed plate 13, the cloth can slightly deviate during sewing, the pinch roller 17 is pressed to prevent the cloth from deviating greatly, the follow-up sewing is influenced, and the needle thread is prevented from misplacing during sewing.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A presser foot structure of a sewing machine, which is characterized in that: comprises a presser foot main body (1); a main body bin (3) is arranged in the presser foot main body (1); a lifting assembly is arranged in the main body bin (3); the lifting assembly comprises a lifting groove (15); the lifting groove (15) is formed in the side wall of the main body bin (3); a lifting block (19) is connected in a sliding manner in the lifting groove (15); the lifting block (19) is fixedly connected with a lower pressing plate (14); damping (5) is fixedly connected to the lower pressing plate (14); one end of the damper (5) is fixedly connected with an upper pressing plate (4); a telescopic spring (6) is fixedly connected between the upper pressing plate (4) and the lower pressing plate (14); the upper pressing plate (4) and the lower pressing plate (14) are respectively provided with two groups; the side walls of the two groups of lower pressing plates (14) are fixedly connected with lifting blocks (19).

2. The sewing machine foot structure of claim 1, wherein: the bottom of the lower pressing plate (14) is fixedly connected with a connecting column (7); a groove (8) is formed in the bottom of the connecting column (7); a presser foot assembly is arranged in the groove (8); the presser foot assembly comprises a swinging shaft (9).

3. The sewing machine foot structure of claim 2, wherein: the swinging shaft (9) is rotatably connected in the groove (8); a swing column (10) is fixedly connected to the swing shaft (9); the bottom of the swing column (10) is fixedly connected with a sliding pressing plate (11).

4. A sewing machine foot structure as defined in claim 3, wherein: the bottom of the sliding pressing plate (11) is fixedly connected with a fixing plate (13); a rotating shaft (16) is rotatably connected to the fixed plate (13); the rotating shaft (16) is sleeved with a pressing wheel (17).

5. The sewing machine foot structure of claim 4, wherein: the bottom of the sliding pressing plate (11) is fixedly connected with a pressing pad (12); the sliding pressing plates (11) are provided with two groups.

6. The sewing machine foot structure of claim 5, wherein: the presser foot main body (1) is provided with a connecting hole (2); a needle ring (18) is fixedly connected below the connecting hole (2).