CN218059443U

CN218059443U - Adjustable dual-purpose presser foot

Info

Publication number: CN218059443U
Application number: CN202221837741.1U
Authority: CN
Inventors: 方健强
Original assignee: Dongguan Aile Sewing Equipment Co ltd
Current assignee: Dongguan Aile Sewing Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-16
Anticipated expiration: 2032-07-15

Abstract

The utility model provides an adjustable dual-purpose presser foot, which can be switched between splicing and line pressing and comprises a presser foot body, a baffle and a driving piece, wherein the presser foot body is provided with an accommodating cavity and a first mounting part, the accommodating cavity is used for accommodating the baffle, and the first mounting part is used for mounting the driving piece; one end of the blocking piece is rotatably arranged in the accommodating cavity, and the top of the blocking piece is elastically abutted against the presser foot body; the driving piece passes first installation department and contacts with the separation blade, is provided with the drive division that can drive the separation blade on the driving piece, borrows so that the drive division acts on the separation blade by operating the driving piece for the separation blade goes up and down so that the script physical stamina of pressure switches between piece and line ball at holding intracavity elasticity. The utility model discloses a dual-purpose presser foot with adjustable, the switching of line ball and piece is convenient, has improved efficiency greatly, and it is more convenient to use.

Description

Adjustable dual-purpose presser foot

Technical Field

The utility model relates to a sewing machine technical field especially relates to a dual-purpose presser foot with adjustable.

Background

The car seat, leather, case and soft furniture, besides the frame, also mainly includes the coat made of soft material such as cloth and leather. In the production process, cutting and sewing are carried out according to specific size specifications; sewing of the jacket by a sewing machine is an important process. In the prior art, the seam splicing and open line pressing process of the cloth coat and the leather coat is a separate treatment, namely, the open line process of treating cut pieces by using a seam splicing presser foot and then treating the cut pieces by using an open line pressing foot after splicing. The sewing of overcoat needs concatenation and line ball many times, and different presser feet all need be changed every time, and the frequent change of presser foot has consumed man-hour, has reduced production efficiency, and also probably because the frequent change of presser foot installs incorrectly or the installation is not in place to lead to sewing machine accessory to damage.

Accordingly, there is a need for an adjustable dual purpose presser foot that can switch between a stitch and a line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be at the dual-purpose presser foot of adjustable that switches between piece and line ball.

In order to achieve the purpose, the utility model provides an adjustable dual-purpose presser foot which can be switched between splicing and line pressing and comprises a presser foot body, a baffle and a driving piece, wherein the presser foot body is provided with an accommodating cavity and a first mounting part, the accommodating cavity is used for accommodating the baffle, and the first mounting part is used for mounting the driving piece; one end of the blocking piece is rotatably arranged in the accommodating cavity, and the top of the blocking piece is elastically abutted against the presser foot body; the driving piece passes first installation department and contacts with the separation blade, is provided with the drive division that can drive the separation blade on the driving piece, borrows so that the drive division acts on the separation blade by operating the driving piece for the separation blade goes up and down so that the script physical stamina of pressure switches between piece and line ball at holding intracavity elasticity.

Preferably, the blocking piece is provided with an arc-shaped part matched with the driving part, and the driving part acts on the arc-shaped part so that the blocking piece elastically ascends or elastically descends in the accommodating cavity to enable the presser foot body to be switched between the abutted seam and the pressing line.

Preferably, the driving part is an inward-concave groove body, the blocking piece is positioned in the groove body so as to enable the blocking piece to protrude out of the accommodating cavity from the lower part, and the presser foot body is used for pressing a line; the groove body is separated from the blocking piece by rotating the driving piece, the blocking piece is pushed by the driving piece, so that the blocking piece is elastically lifted to be located in the containing cavity, and the presser foot body is used for splicing seams.

Preferably, the two ends of the slot body are in arc transition, so that the slot body can be matched with or separated from the baffle plate.

Preferably, the driving part is a protruding block, the driving part is operated to enable the protruding block to abut against the blocking piece, so that the blocking piece is elastically lifted to be located in the containing cavity, and the presser foot body is used for splicing seams; the driving piece is operated to enable the convex block to be separated from the blocking sheet, so that the blocking sheet can protrude out of the containing cavity from the lower part, and the presser foot body is used for pressing a line.

Preferably, the driving member includes an operating portion located outside the first mounting portion, and the driving member is operated by the operating portion.

Preferably, the presser foot body is further provided with at least one first mounting hole communicated with the first mounting portion, a stopper is mounted in the first mounting hole, and the driving member is stopped in the first mounting portion by the stopper.

Preferably, the presser foot body is further provided with a second mounting hole penetrating through the accommodating cavity, the blocking piece is provided with a rotating hole matched with the second mounting hole, a rotating shaft is installed in the second mounting hole and the rotating hole, and the blocking piece can rotate in the accommodating cavity around the rotating shaft.

Preferably, an elastic member is disposed between the presser foot body and the blocking piece, and the blocking piece can be elastically lifted in the accommodating cavity by the elastic member.

Preferably, the presser foot body is provided with a fixing component for mounting the elastic member, the blocking piece is provided with a fixing part, and the elastic member is sleeved on the fixing component and the fixing part and is abutted between the presser foot body and the blocking piece.

Compared with the prior art, the utility model discloses a dual-purpose presser foot with adjustable need not change the presser foot and can switch between piece and line ball, and it is more convenient to use, and efficiency is higher. The adjustable dual-purpose presser foot comprises a presser foot body, a baffle and a driving piece. The presser foot body is provided with an accommodating cavity and a first installation part, the accommodating cavity is used for accommodating the blocking piece, and the first installation part is used for installing the driving piece. One end of the blocking piece is rotatably arranged in the accommodating cavity, and the top of the blocking piece is elastically abutted to the presser foot body. The driving piece passes first installation department and contacts with the separation blade, is provided with the drive division that can drive the separation blade on the driving piece, operates the driving piece so that the drive division acts on the separation blade for the separation blade goes up and down so that the pressure script physical stamina switches between piece and line ball at holding intracavity elasticity. It can be understood that when the presser foot body is used for pressing the lines, the separation blade is elastic and protrudes out of the accommodating cavity so as to clamp the lines. When the seam is spliced, the seam pressing and positioning are not needed, so the retaining sheet needs to be retracted into the accommodating cavity. Through adjusting the driving piece for the separation blade can go up and down, with can switch between line ball and piece. The utility model discloses a dual-purpose presser foot with adjustable, the switching of line ball and piece is convenient, has improved efficiency greatly, and it is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a structural diagram of an adjustable dual-purpose presser foot according to an embodiment of the present invention.

Fig. 2 is a view of the structure of fig. 1 from another angle.

Fig. 3 is a view of the structure from yet another angle of fig. 1.

Fig. 4 is a block diagram of the engagement of the blocking piece with the driving member in fig. 1.

Fig. 5 is a structural view of the shutter in fig. 4.

Fig. 6 is a structural diagram of a driving member according to an embodiment of the present invention.

Fig. 7 is a structural diagram of a driving member according to another embodiment of the present invention.

Description of reference numerals:

100. an adjustable dual-purpose presser foot;

10. a presser foot body; 11. an accommodating cavity; 12. a first mounting portion; 13. a fixing assembly; 131. a fixed block; 132. a fixing member; 133. a stop screw; 14. a first mounting hole; 15. a second mounting hole; 16. a second mounting portion; 17. a connecting portion; 18. a rotating shaft; 19. a stopper;

20. a baffle plate; 21. rotating the hole; 22. a fixed part; 23. an arc-shaped portion; 24. a position avoiding part;

30. a drive member; 301. a drive section; 31. a tank body; 32. an operation section; 33. a bump;

40. an elastic member.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides an adjustable dual purpose presser foot 100, which can be switched between stitch and line without changing the presser foot. The adjustable dual purpose presser foot 100 includes a presser foot body 10, a shutter 20 and a driving member 30. The presser foot body 10 is provided with an accommodating cavity 11 and a first mounting portion 12, the accommodating cavity 11 is used for accommodating the mounting baffle 20, and the first mounting portion 12 is used for mounting the driving member 30. Specifically, one end of the blocking piece 20 is rotatably installed in the accommodating cavity 11, and the top of the blocking piece 20 is elastically abutted to the presser foot body 10. The driving member 30 is mounted in the first mounting portion 12 through the first mounting portion 12, and the driving member 30 contacts the blocking piece 20 in the first mounting portion 12. The driver 30 is provided with a driving portion 301 capable of driving the flap 20, and the driving portion 301 is caused to act on the flap 20 by operating the driver 30. Thereby the blocking sheet 20 is elastically lifted in the accommodating cavity 11, so that the presser foot body 10 can be switched between the seam splicing and the line pressing. It can be understood that, by operating the driving member 30, the blocking sheet 20 can be elastically lifted and lowered in the accommodating cavity 11 of the presser foot body 10. When the blocking piece 20 protrudes out of the accommodating cavity 11, the presser foot body 10 is used for pressing lines, the protruding blocking piece 20 is used for blocking and pressing lines, and the blocking piece 20 elastically stretches in the advancing process of the presser foot body 10 so as to be capable of positioning. When the blocking sheet 20 is retracted into the accommodating cavity 11 or flush with the lower surface of the presser foot body 10 under the action of the driving member 30, the presser foot body 10 can be used for splicing. The presser foot can be switched between the abutted seam and the line pressing only by operating the driving piece 30, and the operation is simple and convenient.

Referring to fig. 4 and 5, in some alternative embodiments, the blocking plate 20 is provided with an arc portion 23 engaged with the driving member 30. The arc portion 23 is provided with three arc surfaces to better cooperate with the driving portion 301, and when the blocking piece 20 is used for line pressing and positioning, the three arc surfaces can also be used for avoiding the position so as to prevent the blocking piece 20 from interfering with the driving member 30. Specifically, the driving member 30 acts to make the driving portion 301 act on the arc portion 23, so that the blocking sheet 20 elastically ascends or descends in the accommodating cavity 11, so that the presser foot body 10 can be switched between the seam splicing and the line pressing. Illustratively, when the driving portion 301 is a concave structure, the blocking sheet 20 is elastically descended when the driving portion 301 acts on the arc portion 23, and the presser foot body 10 is used for pressing a line. When the driving portion 301 is a protruding cam structure, the blocking sheet 20 is elastically lifted when the driving portion 301 acts on the arc portion 23, and the presser foot body 10 is used for stitching.

Referring to fig. 6, in some alternative embodiments, the driving portion 301 is a groove 31 recessed inward. The baffle sheet 20 is positioned in the groove body 31, so that the baffle sheet 20 can protrude out of the accommodating cavity 11 from the lower part; at this time, the presser foot body 10 is used for pressing a line. The driving member 30 is rotated to separate the slot body 31 from the baffle 20, and other parts of the driving member 30 except the slot body 31 push the baffle 20, and the driving member 30 is axially limited, so that the driving member 30 pushes the baffle 20 to elastically rise to be positioned in the accommodating cavity 11; at this time, the presser foot body 10 is used for seaming. Wherein, the two ends of the groove body 31 can be in arc transition, so that the groove body 31 can be matched with or separated from the baffle 20. Be provided with curved transition region, driving piece 30 can be more convenient rotate to can be better switch between piece and line ball, operate more smoothly.

Referring to fig. 7, in some alternative embodiments, the driving portion 301 may be a protruding bump 33. By operating the driving member 30 to make the protrusion 33 abut against the blocking piece 20, the blocking piece 20 is elastically lifted to be located in the accommodating cavity 11; at this time, the presser foot body 10 is used for stitching. The driving member 30 is operated to separate the projection 33 from the blocking sheet 20, so that the blocking sheet 20 can protrude out of the accommodating cavity 11 from the lower part, and the presser foot body 10 is used for pressing lines. It will be appreciated that the presser foot body 10 can be switched between a stitch and a line by rotating the drive member 30 to engage or disengage the projection 33 from the arcuate slot.

Referring to fig. 6 and 7, in some alternative embodiments, the driving member 30 includes an operating portion 32 located outside the first mounting portion 12, and the driving member 30 is operated by the operating portion 32. In this embodiment, the driver 30 is a cylindrical shaft, the driving portion 301 is located at one end of the shaft, and the operating portion 32 is located at the other end of the shaft. The driving portion 301 may be a slot 31 or a protrusion 33. The operating portion 32 may be a knob for holding, by which the driving member 30 is rotated, so that the driving portion 301 can be better engaged with or disengaged from the arc portion 23.

Referring to fig. 3, in some alternative embodiments, the presser foot body 10 further defines at least one first mounting hole 14 communicating with the first mounting portion 12. The first mounting hole 14 is mounted with a stopper 19, and the driver 30 is locked in the first mounting portion 12 by the stopper 19. In this embodiment, two first mounting holes 14 are formed in the presser foot body 10, and the first mounting holes 14 are located on the back surface of the presser foot body 10 and communicate with the first mounting portion 12. Specifically, the driving element 30 is installed in the first installation portion 12, and during the process of advancing the presser foot body 10, the blocking piece 20 can be lifted and lowered elastically without stop, or the blocking piece 20 vibrates in the accommodating cavity 11, so that the blocking piece 20 can continuously act on the driving element 30. This will cause the drive member 30 to rotate, thereby affecting the function of the presser foot body 10. Therefore, after the driving member 30 and the blocking piece 20 are adjusted to the proper position, the driving member 30 needs to be locked in the proper position by the stopper 19, so as to prevent the driving member 30 from rotating and affecting the use of the presser foot body 10 during the use. When the driving piece 30 needs to be adjusted, the stop piece 19 is loosened, the operation is simple and convenient, and the installation is firm and reliable.

Referring to fig. 1 to 5, in some alternative embodiments, the presser foot body 10 further has a second mounting hole 15 penetrating through the accommodating cavity 11, and the blocking piece 20 has a rotation hole 21 matching with the second mounting hole 15. When the baffle plate 20 is installed, the second installation hole 15 is coaxially arranged with the rotation hole 21, and then the rotation shaft 18 is installed in the second installation hole 15 and the rotation hole 21. The blocking sheet 20 can rotate around the rotating shaft 18 in the accommodating cavity 11 to realize lifting.

Referring to fig. 1 and fig. 2, in some alternative embodiments, an elastic member 40 is disposed between the presser foot body 10 and the blocking sheet 20, and the blocking sheet 20 can be elastically lifted and lowered in the accommodating cavity 11 by the elastic member 40. Illustratively, the elastic member 40 may be a spring. Specifically, the presser foot body 10 is provided with a fixing component 13 for mounting the elastic member 40, the blocking piece 20 is provided with a fixing part 22, and the elastic member 40 is sleeved on the fixing component 13 and the fixing part 22 and abuts between the presser foot body 10 and the blocking piece 20. The fixing portion 22 protrudes out of the blocking piece 20 and is integrated with the blocking piece 20. The fixing assembly 13 includes a fixing block 131, a fixing member 132, and a stop screw 133. The fixing block 131 protrudes out of the presser foot body 10 and is located above the blocking piece 20. The fixing block 131 and the presser foot body 10 are integrated. The fixing block 131 is provided with a through hole for mounting the fixing member 132 and a hole for mounting a stop screw 133, and the stop screw 133 can act on the fixing member 132 in the through hole to reinforce the mounting of the fixing member 132 in the through hole. One end of the elastic element 40 is sleeved on the fixing element 132, and the other end of the elastic element 40 is sleeved on the fixing portion 22 of the blocking sheet 20, so that the assembly and disassembly are convenient. In other embodiments, the elastic member 40 is embedded in the presser foot body 10, but it is only necessary to drive the blocking piece 20 to extend out of the accommodating cavity 11 through the driving member 30, or drive the blocking piece 20 to retract into the accommodating cavity 11 through the driving member 30, so that the presser foot body 10 can be switched between the seam splicing and the line pressing.

Referring to fig. 2 to 5, in some alternative embodiments, a protruding connecting portion 17 is disposed in the middle of the accommodating cavity 11, so that the entire presser foot body 10 is an integral structure, and the blocking pieces 20 are installed in the accommodating cavities 11 at two sides of the connecting portion 17. The baffle 20 is provided with a spacing part 24 matched with the connecting part 17, and the baffle 20 can move in the accommodating cavities 11 at two sides of the connecting part 17 by means of the spacing part 24, so that the structure is simple and reasonable. On the other hand, the presser foot body 10 is further provided with a second mounting portion 16, the presser foot body 10 can be mounted on the sewing machine by means of the second mounting portion 16, and the specific structure of the second mounting portion 16 can be set according to actual requirements.

As shown in fig. 1 to 7, the adjustable dual-purpose presser foot 100 of the present invention can be switched between the seam and the pressing line without changing the presser foot, and is more convenient to use and more efficient. The adjustable dual purpose presser foot 100 includes a presser foot body 10, a shutter 20 and a driving member 30. The presser foot body 10 is provided with an accommodating cavity 11 and a first mounting portion 12, the accommodating cavity 11 is used for accommodating the baffle 20, and the first mounting portion 12 is used for mounting the driving member 30. One end of the blocking sheet 20 is rotatably installed in the accommodating cavity 11, and the top of the blocking sheet 20 is elastically abutted against the presser foot body 10. The driving member 30 penetrates through the first mounting portion 12 and contacts with the blocking piece 20, a driving portion 301 capable of driving the blocking piece 20 is arranged on the driving member 30, and the driving member 30 is operated to enable the driving portion 301 to act on the blocking piece 20, so that the blocking piece 20 elastically ascends and descends in the accommodating cavity 11 to enable the presser foot body 10 to be switched between splicing and line pressing. It can be understood that, when the presser foot body 10 is used for pressing lines, the blocking piece 20 elastically protrudes out of the accommodating cavity 11 to be capable of being clamped and pressed. During splicing, the retaining pieces 20 need to be retracted into the accommodating cavities 11 because the retaining pieces do not need to be pressed and positioned. By adjusting the driving member 30, the blocking sheet 20 can be lifted and lowered to switch between the pressing line and the splicing seam. The utility model discloses a dual-purpose presser foot 100 with adjustable, the switching of line ball and piece is convenient, has improved efficiency greatly, and it is more convenient to use.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and the equivalent changes made by the claims of the present invention are all covered by the present invention.

Claims

1. An adjustable dual-purpose presser foot can be switched between splicing and pressing lines and is characterized by comprising a presser foot body, a blocking piece and a driving piece, wherein the presser foot body is provided with an accommodating cavity and a first mounting part, the accommodating cavity is used for accommodating the blocking piece, and the first mounting part is used for mounting the driving piece; one end of the blocking piece is rotatably arranged in the accommodating cavity, and the top of the blocking piece is elastically abutted against the presser foot body; the driving piece passes first installation department and with the separation blade contact, be provided with on the driving piece and drive the drive division of separation blade, borrow by the operation the driving piece is so that the drive division acts on the separation blade makes the separation blade is in holding intracavity elasticity goes up and down so that it can switch between piece and line ball to press script physical stamina.

2. The adjustable dual-purpose presser foot as claimed in claim 1, wherein the blocking piece is provided with an arc portion engaged with the driving member, and the driving portion acts on the arc portion to elastically lift or lower the blocking piece in the accommodating cavity, so that the presser foot body can be switched between the seam splicing and the pressing line.

3. The adjustable dual-purpose presser foot according to claim 1, wherein the driving portion is an inwardly recessed groove, the blocking piece is located in the groove so as to protrude out of the accommodating cavity from below, and the presser foot body is used for pressing a line; the groove body is separated from the blocking piece by rotating the driving piece, the blocking piece is pushed by the driving piece, so that the blocking piece elastically ascends to be located in the containing cavity, and the presser foot body is used for splicing seams.

4. The adjustable dual purpose presser foot as claimed in claim 3, wherein the slot body has two ends that are arcuately transitional to facilitate engagement and disengagement of the slot body with and from the catch.

5. The adjustable dual-purpose presser foot according to claim 1, wherein the driving portion is a protruding projection, and the driving member is operated to make the projection abut against the blocking piece, so that the blocking piece is elastically lifted to be located in the accommodating cavity, and the presser foot body is used for splicing seams; the driving piece is operated to enable the protruding block to be separated from the blocking piece, so that the blocking piece can protrude out of the containing cavity from the lower part, and the presser foot body is used for pressing a line.

6. The adjustable dual purpose presser foot as set forth in claim 1, wherein the drive member includes an operating portion located outside of the first mounting portion, whereby the drive member is facilitated to be operated.

7. The adjustable dual purpose presser foot as claimed in claim 1, wherein the presser foot body further defines at least one first mounting hole communicating with the first mounting portion, and a stopper is mounted in the first mounting hole, whereby the stopper is configured to stop the rotation of the driving member in the first mounting portion.

8. The adjustable dual-purpose presser foot as claimed in claim 1, wherein the presser foot body further defines a second mounting hole penetrating the accommodating cavity, the blocking piece defines a rotation hole matching with the second mounting hole, the second mounting hole and the rotation hole are provided with a rotation shaft therein, and the blocking piece is rotatable in the accommodating cavity around the rotation shaft.

9. The adjustable dual-purpose presser foot as claimed in claim 1, wherein an elastic member is disposed between the presser foot body and the blocking piece, and the blocking piece can be elastically lifted and lowered in the accommodating chamber by the elastic member.

10. The adjustable dual purpose presser foot as claimed in claim 9, wherein the presser foot body is provided with a fixing member for mounting the elastic member, the blocking piece is provided with a fixing portion, and the elastic member is sleeved on the fixing member and the fixing portion and abuts between the presser foot body and the blocking piece.