CN218666613U - Edge distance adjustable presser foot and sewing machine - Google Patents
Edge distance adjustable presser foot and sewing machine Download PDFInfo
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- CN218666613U CN218666613U CN202222904795.1U CN202222904795U CN218666613U CN 218666613 U CN218666613 U CN 218666613U CN 202222904795 U CN202222904795 U CN 202222904795U CN 218666613 U CN218666613 U CN 218666613U
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Abstract
The utility model provides a presser foot with adjustable edge distance and a sewing machine, wherein the presser foot comprises a first adjusting seat, a second adjusting seat, a connecting shaft and a presser foot plate; the foot pressing plate is connected to the lower part of the second adjusting seat through a connecting shaft and can rotate around the connecting shaft, a needle passing hole is formed in the front side of the foot pressing plate, one end of the needle passing hole is closed, an opening is formed in the other end of the needle passing hole, and the opening is transversely arranged; the upper part of the first adjusting seat is provided with a presser bar mounting groove, the first adjusting seat is connected with the second adjusting seat, and the relative positions of the first adjusting seat and the second adjusting seat are adjustable in the transverse direction; the first adjusting seat and the second adjusting seat are respectively provided with scales on the side wall of the same side, the two scales extend along the transverse direction, and the two scales are correspondingly arranged; the sewing machine comprises the presser foot. The utility model discloses a presser foot has the function of adjustable margin, can directly adjust this margin on sewing machine moreover, easy operation, convenience.
Description
Technical Field
The utility model relates to a sewing machine field specifically is a presser foot and sewing machine that margin adjustable.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.
The sewing machine is generally composed of four parts, namely a machine head, a machine base, a transmission part and an accessory part. The machine head is the main part of the sewing machine and consists of four mechanisms of material needling, thread hooking, thread picking and feeding, auxiliary mechanisms of winding, material pressing, tooth dropping and the like, and the motion of the mechanisms is reasonably matched and works circularly to sew up the sewing materials. The presser foot is an indispensable important part for material pressing and feeding of the sewing machine, when the sewing machine is used for sewing operation, the presser foot is matched with teeth on the feed dog to convey a sewing material forwards and press the sewing material, so that the sewing material is prevented from wrinkling and bulging, and sewing stitches are formed by matching with other mechanisms such as a sewing needle, and the sewing effect is ensured.
The existing single-side presser foot comprises an installation seat and a single-side presser foot plate, wherein the installation seat is fixed with a presser foot rod of a sewing machine through a fixing screw, and the single-side presser foot plate is connected to the installation seat through a connecting shaft. A needle passing hole is formed in the single-side foot pressing plate, and an opening is formed in one end of the needle passing hole. In case that the existing single-side presser foot is fixedly connected with the presser foot rod, the distance between the presser foot plate and the needle falling position of the sewing machine is fixed and unadjustable, namely, the single-side presser foot only can be matched with a sewing edge distance, and the edge distance refers to the distance from the needle falling position to the side wall of the single-side presser foot. When different edge distances are sewn, unilateral presser feet with different specifications are often required to be replaced, so that unilateral presser feet with various different specifications are required to be prepared, and the operation of frequently replacing the unilateral presser feet is also troublesome.
SUMMERY OF THE UTILITY MODEL
The first objective of the present invention is to provide a presser foot which is free from disassembly and can directly adjust the edge distance on a sewing machine.
The second objective of the present invention is to provide a sewing machine comprising the above presser foot.
In order to achieve the first purpose, the utility model provides a presser foot with adjustable edge distance, which comprises a first adjusting seat, a second adjusting seat, a connecting shaft and a presser foot plate; the foot pressing plate is connected to the lower part of the second adjusting seat through a connecting shaft and can rotate around the connecting shaft, a needle passing hole is formed in the front side of the foot pressing plate, one end of the needle passing hole is closed, an opening is formed in the other end of the needle passing hole, and the opening is arranged in the transverse direction; the upper part of the first adjusting seat is provided with a presser bar mounting groove, the first adjusting seat is movably connected with the second adjusting seat, and the relative positions of the first adjusting seat and the second adjusting seat are adjustable in the transverse direction; first regulation seat and second are adjusted the seat and are provided with the scale respectively on same one side lateral wall, and two scales are all along horizontal extension, and two scales correspond the setting.
According to the scheme, the presser foot rod mounting groove is formed in the first adjusting seat and is used for being fixedly connected with the presser foot rod of the sewing machine; the relative position of adjusting the seat through setting up first regulation seat and second is adjustable, through the position of adjusting the second and adjusting the seat, and then the adjustment presser foot board is in horizontal ascending position, realizes the adjustment of sewing edge distance, and this adjustment can directly be operated on sewing machine in addition, need not to lift the presser foot off, still sets up the scale on it moreover, and the convenience is adjusted to required edge distance according to actual need fast, has easy operation, convenience, advantage that save time.
The further proposal is that the first adjusting seat is connected with the second adjusting seat through an adjusting screw; the first regulation seat has been seted up the regulation hole, and the regulation hole is established to waist type hole, and the length direction of regulation hole has seted up the mounting hole along horizontal extension on the second regulation seat, and adjusting screw passes the regulation jogged joint in the mounting hole, and adjusting screw can follow the length direction adjustment position of regulation hole.
According to the scheme, the transverse adjusting function is realized by arranging the waist-shaped hole, and the transverse adjusting mechanism has the advantages of simple structure and convenience in processing and manufacturing.
The further scheme is that the adjusting hole is formed in the rear side of the first adjusting seat, the mounting hole is formed in the rear side of the second adjusting seat, and the two scales are arranged on the front sides of the first adjusting seat and the second adjusting seat respectively.
By the scheme, the scales are arranged on the front side, so that the operation personnel can conveniently observe the scales.
The front side of the lower part of the first adjusting seat is provided with a first protruding part and a first groove part, the first groove part is arranged on the front side of the first protruding part, and the first protruding part and the first groove part both extend along the transverse direction; the upper portion front side of second regulation seat is provided with second concave part and second bulge, and second concave part and second bulge all extend along transversely, and second concave part and the unsmooth cooperation of first bulge, second bulge and the unsmooth cooperation of first concave part.
By the scheme, the limiting function is achieved in the front and rear directions by arranging the concave-convex matching, so that the adjusting holes are correspondingly communicated with the mounting holes, and the adjusting screws are conveniently mounted.
In a further scheme, the distance from the adjusting hole to the needle passing hole is adjustable in the transverse direction.
The further proposal is that the needle passing hole is of a half waist-shaped hole structure, and the distance from the center of the needle passing hole to the side wall of the foot pressing plate is preset.
The elastic piece is connected between the second adjusting seat and the foot pressing plate and arranged on the rear side of the connecting shaft.
According to the scheme, the elastic piece is arranged, so that the pressure of the pressure foot plate is adjusted.
In order to achieve the second objective, the present invention provides a sewing machine, which includes the presser foot.
Drawings
Fig. 1 is an exploded view of the embodiment of the presser foot of the present invention from the left.
Fig. 2 is an exploded view of the presser foot embodiment of the present invention from above.
Fig. 3 is a front exploded view of the embodiment of the presser foot of the present invention.
Fig. 4 is a structural diagram of the presser foot of the present invention before adjustment.
Fig. 5 is a structural view of the embodiment of the presser foot according to the present invention after adjustment.
Fig. 6 is a structural diagram of the sewing machine of the present invention before adjustment.
Fig. 7 is a structural diagram of the sewing machine according to the present invention after adjustment.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Presser foot embodiment:
referring to fig. 1 to 5, the presser foot with adjustable edge distance provided by the present embodiment includes a first adjusting seat 1, a second adjusting seat 2, an elastic member, a connecting shaft 3 and a presser foot plate 4.
The foot pressing plate 4 is provided with a through-pin hole 42 in front of the connecting shaft 3, the through-pin hole 42 is of a semi-waist-shaped hole structure, one end of the through-pin hole 42 is closed, the other end of the through-pin hole is provided with an opening, and the opening is arranged transversely. The center of the needle passing hole 42 has a preset distance from the side wall of the foot pressing plate 4, and the preset distance is preferably larger than the diameter of the needle passing hole 42.
The upper part of the first adjusting seat 1 is provided with a presser bar mounting groove 11 for fixedly connecting with a presser bar of a sewing machine. The first adjusting seat 1 is movably connected with the second adjusting seat 2 through an adjusting screw 5, and the relative positions of the first adjusting seat 1 and the second adjusting seat 2 are adjustable in the transverse direction. Specifically, the method comprises the following steps: the rear side of the first adjusting seat 1 is provided with an adjusting hole 12, the adjusting hole 12 extends along the vertical direction, the adjusting hole 12 is a waist-shaped hole, and the length direction of the adjusting hole 12 extends along the transverse direction. The rear side of the second adjusting seat 2 is provided with a mounting hole 22, the mounting hole 22 extends along the vertical direction, and the mounting hole 22 is correspondingly communicated with the adjusting hole 12. The adjusting screw 5 passes through the adjusting hole 12 and is connected in the mounting hole 22, and the adjusting screw 5 can adjust the position along the length direction of the adjusting hole 12, and then adjust the position of the second adjusting seat 2 and the foot pressing plate 4 in the transverse direction, that is, adjust the distance from the adjusting hole 12 to the needle passing hole 42 in the transverse direction.
A first projecting portion 13 and a first groove portion 14 are provided on the lower front side of the first regulation seat 1, the first groove portion 14 is provided on the front side of the first projecting portion 13, the first groove portion 14 is recessed upward from the bottom wall of the first projecting portion 13, and both the first projecting portion 13 and the first groove portion 14 extend in the lateral direction.
The upper front side of the second adjusting seat 2 is provided with a second groove portion 23 and a second protrusion portion 24, the second protrusion portion 24 protrudes upward from the bottom of the second groove portion 23, both the second groove portion 23 and the second protrusion portion 24 extend in the transverse direction, the second groove portion 23 is in concave-convex fit with the first protrusion portion 13, and the second protrusion portion 24 is in concave-convex fit with the first groove portion 14, so as to limit the position deviation of the first adjusting seat 1 and the second adjusting seat 2 in the front-rear direction.
For the convenience of adjustment, first regulation seat 1 and second regulation seat 2 are provided with the scale respectively on same one side lateral wall, and two scales all extend along transversely, and two scales correspond the setting. In this embodiment, two scales are respectively disposed on the front sides of the first adjusting seat 1 and the second adjusting seat 2, that is, the scale on the first adjusting seat 1 is disposed on the sidewall above the first groove 14, and the scale on the second adjusting seat 2 is disposed on the sidewall of the second protrusion 24.
The embodiment of the sewing machine comprises:
referring to fig. 6 and 7 in combination with fig. 1 to 5, the present embodiment provides a sewing machine including a head and the presser foot of the above embodiment. The machine head is provided with a presser foot rod, the presser foot is fixedly connected on the presser foot rod, and the presser foot is arranged above the feed dog of the needle plate 6 of the sewing machine.
After the presser bar is fixedly connected with the presser bar mounting groove 11, the position of the adjusting hole 12 is fixed with the needle falling position 61 of the sewing machine, at the moment, the second adjusting seat 2 and the presser foot plate 4 can be adjusted by the adjusting screw 5 to be in the transverse position, namely, the needle falling position 61 is adjusted to the position of the side wall of the presser foot plate 4, the sewing material is adjacent to the side wall of the presser foot plate 4, and the distance between the needle falling position 61 and the side wall of the presser foot plate 4 is the edge distance of sewing. In fig. 6, the adjusting screw 5 is located at the first end of the adjusting hole 12, at this time, the needle falling position 61 of the sewing machine is located at the center of the needle passing hole 42, and the edge distance L1 is the largest at this time; in fig. 7, the adjusting screw 5 is located at the second end of the adjusting hole 12, and the needle dropping position 61 of the sewing machine is located at the opening of the needle passing hole 42, and the edge distance L2 is the smallest.
In summary, the first adjusting seat of the utility model is provided with the presser foot bar mounting groove for being fixedly connected with the presser foot bar of the sewing machine; the relative position of adjusting the seat through setting up first regulation seat and second is adjustable, through the position of adjusting the second and adjusting the seat, and then the adjustment presser foot board is in horizontal ascending position, realizes the adjustment of sewing edge distance, and this adjustment can directly be operated on sewing machine in addition, need not to lift the presser foot off, still sets up the scale on it moreover, and the convenience is adjusted to required edge distance according to actual need fast, has easy operation, convenience, advantage that save time.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (8)
1. The edge distance adjustable presser foot is characterized by comprising a first adjusting seat, a second adjusting seat, a connecting shaft and a presser foot plate;
the foot pressing plate is connected to the lower part of the second adjusting seat through the connecting shaft, the foot pressing plate can rotate around the connecting shaft, a needle passing hole is formed in the front side of the foot pressing plate, one end of the needle passing hole is closed, an opening is formed in the other end of the needle passing hole, and the opening is arranged in the transverse direction;
the upper part of the first adjusting seat is provided with a pressure foot rod mounting groove, the first adjusting seat is movably connected with the second adjusting seat, and the relative position of the first adjusting seat and the second adjusting seat is adjustable in the transverse direction;
first regulation seat with the second is adjusted the seat and is provided with the scale respectively on same one side lateral wall, two the scale is all along horizontal extension, two the scale corresponds the setting.
2. The adjustable edge distance presser foot according to claim 1, wherein:
the first adjusting seat is connected with the second adjusting seat through an adjusting screw;
the adjusting hole has been seted up on the first seat of adjusting, the adjusting hole is established to waist type hole, the length direction of adjusting the hole is along horizontal extension, the mounting hole has been seted up on the second seat of adjusting, adjusting screw passes adjusting hole connects in the mounting hole, just adjusting screw can follow the length direction adjustment position of adjusting the hole.
3. The adjustable edge distance presser foot of claim 2, wherein:
the adjusting hole is formed in the rear side of the first adjusting seat, the mounting hole is formed in the rear side of the second adjusting seat, and the scales are arranged on the front sides of the first adjusting seat and the second adjusting seat respectively.
4. The adjustable edge distance presser foot of claim 3, wherein:
a first protruding portion and a first groove portion are arranged on the front side of the lower portion of the first adjusting seat, the first groove portion is arranged on the front side of the first protruding portion, and the first protruding portion and the first groove portion both extend in the transverse direction;
the front side of the upper part of the second adjusting seat is provided with a second groove part and a second protruding part, the second groove part and the second protruding part both extend along the transverse direction, the second groove part is in concave-convex fit with the first protruding part, and the second protruding part is in concave-convex fit with the first groove part.
5. The adjustable edge distance presser foot according to any one of claims 2 to 4, characterized in that:
in the transverse direction, the distance from the adjusting hole to the needle passing hole is adjustable.
6. The adjustable edge distance presser foot of claim 5, wherein:
the needle passing hole is of a semi-waist-shaped hole structure, and a preset distance is reserved between the circle center of the needle passing hole and the side wall of the foot pressing plate.
7. The adjustable edge distance presser foot according to any one of claims 1 to 4, characterized in that:
an elastic piece is connected between the second adjusting seat and the foot pressing plate, and the elastic piece is arranged on the rear side of the connecting shaft.
8. Sewing machine, its characterized in that: a presser foot comprising any one of the preceding claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222904795.1U CN218666613U (en) | 2022-11-01 | 2022-11-01 | Edge distance adjustable presser foot and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222904795.1U CN218666613U (en) | 2022-11-01 | 2022-11-01 | Edge distance adjustable presser foot and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218666613U true CN218666613U (en) | 2023-03-21 |
Family
ID=85569482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222904795.1U Active CN218666613U (en) | 2022-11-01 | 2022-11-01 | Edge distance adjustable presser foot and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218666613U (en) |
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2022
- 2022-11-01 CN CN202222904795.1U patent/CN218666613U/en active Active
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