CN216919644U - Sewing machine presser foot convenient to secant - Google Patents
Sewing machine presser foot convenient to secant Download PDFInfo
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- CN216919644U CN216919644U CN202220457850.4U CN202220457850U CN216919644U CN 216919644 U CN216919644 U CN 216919644U CN 202220457850 U CN202220457850 U CN 202220457850U CN 216919644 U CN216919644 U CN 216919644U
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Abstract
The utility model discloses a sewing machine presser foot convenient for cutting threads, which comprises a pressure rod connected with a sewing machine and a presser foot plate rotationally connected with the pressure rod, wherein one end of the presser foot plate is provided with a through groove along the moving direction of cloth, and the tail end of the through groove is provided with a needle falling hole; the pressing foot plate is internally provided with an extrusion cavity, the two extrusion cavities are respectively positioned at two sides of the needle falling hole, one side of the extrusion cavity close to the needle falling hole is provided with a blade groove, and the blade groove is communicated with the extrusion cavity and the needle falling hole; the extrusion intracavity is provided with the stripper plate, and one side that the pinhole that falls was kept away from to the stripper plate is provided with the extrusion piece, and the extrusion piece extends to the outside of pressing the sole, and one side that the stripper plate is close to the pinhole that falls is provided with the secant blade, and the both sides in blade groove are provided with the mounting hole, and the extrusion intracavity is provided with the spring, and the one end and the stripper plate of spring link to each other, and the other end is absorbed in the mounting hole. The utility model can quickly cut off the sewing thread by pinching the extrusion blocks at the two sides of the presser foot plate with fingers to enable the thread cutting blades at the two sides to slide to be close to and vertically staggered, thereby saving time and improving sewing efficiency.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a presser foot of a sewing machine.
Background
The common sewing machine needs an operator to cut off the sewing thread by using tools such as scissors after sewing, however, the operation efficiency is reduced in the process of taking the scissors invisibly, the scissors are not necessarily placed at a fixed position and may be taken away for other use sometimes, the time consumption is further increased by searching the scissors to cut off the sewing thread, and the convenience degree of operation is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, the present invention aims to: provides a sewing machine presser foot convenient for thread cutting, and improves the thread cutting efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sewing machine presser foot convenient for thread cutting comprises a pressure rod connected with a sewing machine and a presser foot plate rotationally connected with the pressure rod, wherein one end of the presser foot plate is provided with a through groove along the moving direction of cloth, and the tail end of the through groove is provided with a needle falling hole; the blade pressing plate is internally provided with extrusion cavities, the two extrusion cavities are respectively positioned at two sides of the needle falling hole, one side of each extrusion cavity, which is close to the needle falling hole, is provided with a blade groove, and the blade groove is communicated with the extrusion cavities and the needle falling hole; an extrusion plate is arranged in the extrusion cavity, an extrusion block is arranged on one side of the extrusion plate, which is far away from the needle falling hole, the extrusion block extends to the outer side of the foot pressing plate, a thread cutting blade is arranged on one side of the extrusion plate, which is close to the needle falling hole, the thread cutting blade is in sliding connection with the blade groove, and the thread cutting blades on the two sides are staggered up and down when sliding close; mounting holes are formed in two sides of the blade groove, a spring is arranged in the extrusion cavity, one end of the spring is connected with the extrusion plate, and the other end of the spring is sunk into the mounting holes.
Preferably, one side of the secant blade, which is close to the needle falling hole, is provided with an arc-shaped groove.
Preferably, the cross-sectional area of the pressing plate is larger than the cross-sectional area of the pressing block.
Preferably, the side of pressing the sole is provided with the shrouding, the shrouding is connected in the outside in extrusion chamber, be provided with the hole of stepping down that can supply the extrusion piece to pass through on the shrouding.
Preferably, the thickness of the presser foot plate is greater than 5 mm.
Preferably, the profile of the pressing chamber is adapted to the outer profile of the pressing plate.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the sewing machine presser foot convenient for thread cutting is simple and convenient, saves time and improves sewing efficiency.
Drawings
The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:
FIG. 1 is a perspective view of a sewing machine presser foot facilitating thread cutting in accordance with the present invention;
FIG. 2 is a schematic view of a pressing chamber of a presser foot of a sewing machine facilitating thread cutting according to the present invention;
FIG. 3 is an exploded view of a portion of the presser foot of the sewing machine for facilitating thread cutting according to the present invention;
FIG. 4 is a schematic view of the operation of the presser foot of the sewing machine for facilitating thread cutting according to the present invention.
Wherein: 1. a pressure lever; 2. a foot pressing plate; 3. a through groove; 4. a pin hole is dropped; 5. an extrusion chamber; 6. an insert pocket; 7. a pressing plate; 8. extruding the block; 9. a thread cutting blade; 91. an arc-shaped groove; 10. mounting holes; 11. a spring; 12. closing the plate; 121. and (4) a yielding hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in the attached figure 1, the sewing machine presser foot convenient for thread cutting comprises a pressing rod 1 connected with a sewing machine and a presser foot plate 2 rotatably connected with the pressing rod 1, wherein one end of the presser foot plate 2 is provided with a through groove 3 along the moving direction of cloth, the tail end of the through groove 3 is provided with a needle falling hole 4, and a needle of the sewing machine drives a sewing thread to penetrate through the needle falling hole 4 to sew the cloth below the presser foot. As shown in the attached drawings 2 and 3, the pressing plate 2 is internally provided with the extrusion cavities 5, the two extrusion cavities 5 are respectively positioned at two sides of the pin falling hole 4, one side of the extrusion cavity 5, which is close to the pin falling hole 4, is provided with the blade groove 6, the blade groove 6 is communicated with the extrusion cavities 5 and the pin falling hole 4, and the blade groove 6 cuts off the pin falling hole 4 in the horizontal direction. Install stripper plate 7 in the extrusion chamber 5, stripper plate 7 is kept away from one side of dropping pin hole 4 and is connected with extrusion piece 8, stripper plate 7 and extrusion piece 8 integrated into one piece, and extrusion piece 8 extends to the outside of pressing sole 2. A sealing plate 12 is arranged on the side surface of the foot pressing plate 2, the sealing plate 12 is connected to the outer side of the extrusion cavity 5, and an abdicating hole 121 for the extrusion block 8 to pass through is processed on the sealing plate 12. The cross-sectional area of the stripper plate 7 is greater than the cross-sectional area of the stripper block 8, so that the stripper plate 7 remains mobile in the stripper chamber 5.
The side of the extrusion plate 7 close to the needle dropping hole 4 is provided with a thread cutting blade 9, the thread cutting blade 9 is horizontally connected with the blade groove 6 in a sliding way, as shown in figure 4, the thread cutting blades 9 on the two sides are staggered up and down when sliding to be close to realize the function of cutting off the sewing thread. In this embodiment, one side that secant blade 9 is close to pinhole 4 has arc recess 91, and secant blade 9 hides in blade groove 6 when not receiving external force, avoids secant blade 9 to expose and leads to the mistake to touch when not needing the secant and lead to sewing thread wearing and tearing or fracture, and when needs secant, secant blade 9 draws in from both sides, and arc recess 91 avoids the sewing thread skew, the cutting of being convenient for along radian cage inboard with the sewing thread.
The appearance of the extrusion cavity 5 is adapted to the outer contour of the extrusion plate 7, so that the extrusion plate 7 can slide more stably in the extrusion cavity 5, and the influence of the left-right up-down shaking on the cutting of the secant blade 9 is avoided. The thickness of sole board 2 is greater than 5mm in this embodiment, makes to have enough space to hold other parts in sole board 2, and ensures the intensity of each part.
According to the sewing machine presser foot convenient for cutting the threads, after sewing is finished, the sewing threads can be quickly cut only by pinching the two sides of the presser foot plate 2 with two fingers, careful operation is not needed, other cutting tools do not need to be additionally searched, and the sewing machine presser foot is more convenient and efficient.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a sewing machine presser foot convenient to secant which characterized in that: the cloth feeding device comprises a pressing rod connected with a sewing machine and a foot pressing plate rotationally connected with the pressing rod, wherein a through groove is formed in one end of the foot pressing plate along the moving direction of cloth, and a needle falling hole is formed in the tail end of the through groove; the blade pressing plate is internally provided with extrusion cavities, the two extrusion cavities are respectively positioned at two sides of the needle falling hole, one side of each extrusion cavity, which is close to the needle falling hole, is provided with a blade groove, and the blade groove is communicated with the extrusion cavities and the needle falling hole; an extrusion plate is arranged in the extrusion cavity, an extrusion block is arranged on one side of the extrusion plate, which is far away from the needle falling hole, the extrusion block extends to the outer side of the foot pressing plate, a thread cutting blade is arranged on one side of the extrusion plate, which is close to the needle falling hole, the thread cutting blade is in sliding connection with the blade groove, and the thread cutting blades on the two sides are staggered up and down when sliding close; mounting holes are formed in two sides of the blade groove, a spring is arranged in the extrusion cavity, one end of the spring is connected with the extrusion plate, and the other end of the spring is sunk into the mounting holes.
2. The sewing machine presser foot facilitating thread cutting as claimed in claim 1, wherein: and an arc-shaped groove is formed in one side, close to the needle falling hole, of the secant blade.
3. The sewing machine presser foot facilitating thread cutting as claimed in claim 1, wherein: the cross section of the extrusion plate is larger than that of the extrusion block.
4. The sewing machine presser foot facilitating thread cutting as claimed in claim 1, wherein: the side of pressing the sole is provided with the shrouding, the shrouding is connected in the outside in extrusion chamber, be provided with the hole of stepping down that can supply the extrusion piece to pass through on the shrouding.
5. The sewing machine presser foot facilitating thread cutting as claimed in claim 1, wherein: the thickness of the presser foot plate is greater than 5 mm.
6. The sewing machine presser foot facilitating thread cutting as claimed in claim 1, wherein: the shape of the extrusion cavity is matched with the outer contour of the extrusion plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220457850.4U CN216919644U (en) | 2022-03-04 | 2022-03-04 | Sewing machine presser foot convenient to secant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220457850.4U CN216919644U (en) | 2022-03-04 | 2022-03-04 | Sewing machine presser foot convenient to secant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216919644U true CN216919644U (en) | 2022-07-08 |
Family
ID=82226084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220457850.4U Active CN216919644U (en) | 2022-03-04 | 2022-03-04 | Sewing machine presser foot convenient to secant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216919644U (en) |
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2022
- 2022-03-04 CN CN202220457850.4U patent/CN216919644U/en active Active
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