CN214032907U

CN214032907U - Covering stitch sewing machine presser foot

Info

Publication number: CN214032907U
Application number: CN202023097693.0U
Authority: CN
Inventors: 颜彦
Original assignee: Xiamen Pinda Industry And Trade Co ltd
Current assignee: Xiamen Pinda Industry And Trade Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-24
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an covering machine presser foot, through setting up presser foot body and locating part, be equipped with the pinhole on the presser foot body, the feed direction that the sewing material was treated to the perpendicular to is equipped with the locating part, and the locating part includes elasticity depression bar and spacing portion, and one side that the elasticity depression bar is close to the pinhole is connected with spacing portion, and the rear of pinhole is located to spacing portion. The edge positioning linear sewing of the two layers of cloth in the splicing and sewing process of the double-layer cloth can be simultaneously met, the overlapped edge parts of the double-layer cloth after sewing can be compacted, and the attractive effect is enhanced.

Description

Covering stitch sewing machine presser foot

Technical Field

This real type relates to clothing technical field, relates to a covering stitch machine presser foot.

Background

The covering stitch machine presser foot is an essential part in a feeding mechanism of a covering stitch machine, and various forms of covering stitch machine presser feet play an important role in the production process, such as the presser foot of a sewing machine special for stitching open threads and hidden zippers, the presser foot of a pleating sewing machine and the like, and the selection of different covering stitch machine presser feet in different sewing operations is very important.

In the process of splicing and sewing the double-layer cloth, the edges of the two layers need to be sewn together. The existing covering stitch sewing machine presser foot comprises a presser foot body and an elastic pressing rod, a needle hole is formed in the presser foot body, the elastic pressing rod is used for clamping the edge of a sewing material, the sewing material can be subjected to linear sewing along the elastic pressing rod, the sewing material is placed on one side of the presser foot body consistent with the material feeding direction in the sewing process, the needle hole is used for the position of a lower needle and the elastic pressing rod to be arranged in parallel along the vertical direction of the material feeding direction, a certain distance is formed between the elastic pressing rod and the sewing material, the edge part of double-layer cloth overlapped after sewing is enabled to tilt, and the attractiveness of sewing is affected.

Therefore, the stitch machine presser foot can meet the requirement of edge positioning linear sewing of two layers of cloth in a double-layer cloth splicing and sewing process, and can compact edge parts overlapped by the double-layer cloth after sewing, so that the stitch machine presser foot with the attractive effect is enhanced urgently.

SUMMERY OF THE UTILITY MODEL

For solving the problem mentioned in the above-mentioned background art, the utility model provides a covering stitch machine presser foot can satisfy the edge location straight line sewing at double-deck cloth concatenation sewing in-process two-layer cloth, can be with the marginal part compaction that double-deck cloth overlaps behind the sewing again, strengthens the problem of pleasing to the eye effect.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a covering machine presser foot, including presser foot body and locating part, the presser foot body is equipped with the spacing groove, but locating part elasticity pressfitting locates the spacing inslot, is equipped with the pinhole on the presser foot body, and the feed direction that the sewing matter was treated to the perpendicular to is equipped with the locating part, and the locating part includes elasticity depression bar and spacing portion, and one side that the elasticity depression bar was close to the pinhole is connected with spacing portion, and the rear of pinhole is located to spacing portion.

Preferably, at least one separation sheet is arranged in the through-pin hole, and the limiting part is positioned behind an edge pin hole formed by the separation sheet close to the elastic pressure rod and the elastic pressure rod. The position of needle down is regarded as to the edge pinhole, and the edge that treats the sewing material can be guaranteed along spacing portion sewing to spacing portion, and spacing portion plays the effect of edge location, and the position of needle is located the place ahead of spacing portion under the edge, can sew the position reality that cloth and cloth are bordered, can not lead to the edge perk.

Preferably, the distance between the separation sheet close to the elastic pressure rod and the elastic pressure rod is 0.1mm-0.3 mm. Namely the distance between the edge needle hole for the edge lower needle and the elastic pressure rod.

Preferably, the width of the limiting part perpendicular to the feeding direction of the object to be sewn is 0.3mm-0.5 mm. Therefore, the position of the lower needle of the edge needle hole is ensured to be totally arranged in front of the limiting part.

Preferably, the edge pinhole is communicated with the limiting groove. The limiting part is connected with the elastic pressure rod towards the direction of the limiting hole, the edge needle hole is communicated with the limiting groove, and the position of the edge lower needle can be closer to the elastic pressure rod and just fall in front of the limiting part.

Preferably, the presser foot body is provided with a warped tail portion for facilitating sewing of the inlet. The arrangement of the warping tail part can facilitate feeding of a to-be-sewn object and can facilitate feeding of the sewn object into the bottom of the presser foot body.

Preferably, one end of the limiting part is hinged to the presser foot body, and the other end of the limiting part extends to the warping tail and is located below the warping tail. The limiting part and the limiting groove extend to the warping tail part and can abut against the warping tail part in the pressing process, and therefore the limiting part and the presser foot body have interaction force in the sewing process.

Preferably, still include the connecting rod, the one end and the presser foot body of connecting rod are articulated, and the other end is connected with the covering machine. The connecting rod is connected with the presser foot body in a hinged mode, so that the position of the presser foot body can be conveniently adjusted to adapt to sewing of a sewing object.

The technical scheme of the utility model can have following beneficial effect: through setting up presser foot body and locating part, be equipped with the pinhole on the presser foot body, the feed direction that the sewing matter was treated to the perpendicular to is equipped with the locating part, and the locating part includes elasticity depression bar and spacing portion, and one side that the elasticity depression bar is close to the pinhole is connected with spacing portion, and the rear of pinhole is located to spacing portion. The edge positioning linear sewing of the two layers of cloth in the splicing and sewing process of the double-layer cloth can be simultaneously met, the overlapped edge parts of the double-layer cloth after sewing can be compacted, and the attractive effect is enhanced.

Drawings

Fig. 1 is a perspective view of a stitch presser foot according to an embodiment of the present invention;

fig. 2 is a schematic view of a presser foot body of one embodiment of the present invention;

fig. 3 is an enlarged view of a pinhole according to an embodiment of the present invention;

fig. 4 is a diagram illustrating a positional relationship between an edge pinhole and a limiting member according to an embodiment of the present invention;

fig. 5 is a schematic view of a position limiting member according to an embodiment of the present invention;

fig. 6 is a schematic view showing the effect of stitch sewing of a covering machine presser foot with a position-limiting part according to an embodiment of the present invention;

fig. 7 is a schematic view showing the effect of the stitch presser foot sewing without a retainer according to an embodiment of the present invention.

Reference numerals: reference numerals: 1-a presser foot body; 11-a limiting groove; 12-a connecting trough; 2-a limiting member; 3-pinhole crossing; 4-a connecting rod; 21-an elastic compression bar; 22-a limiting part; 31-a separator; 32-edge pinholes; 100-a first layer of cloth; 200-a second layer of cloth; 300-overlapping edge lines; 400-sewing thread.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

In a specific embodiment, as shown in fig. 1, the presser foot comprises a presser foot body 1 and a limiting member 2, wherein a needle passing hole 3 is formed in the presser foot body 1, the limiting member 2 is arranged in a direction perpendicular to a feeding direction of an object to be sewn, the limiting member 2 comprises an elastic pressing rod 21 and a limiting portion 22, the limiting portion 22 is connected to one side of the elastic pressing rod 21 close to the needle passing hole 3, and the limiting portion 22 is arranged behind the needle passing hole 3.

The presser foot body 1 is provided with a warping tail part convenient for sewing an inlet. The arrangement of the warping tail part can facilitate feeding of a to-be-sewn object and can facilitate feeding of the sewn object into the bottom of the presser foot body 1.

One end of the limiting part 2 is hinged to the presser foot body 1, and the other end of the limiting part 2 extends to the warping tail and is located below the warping tail. Because the limiting piece 2 can be elastically pressed up and down, the limiting piece 2 is arranged in the limiting groove 11 and extends out of the bottom of the presser foot body 1 through the limiting groove 11. The limiting piece 2 and the limiting groove 11 extend to the warping tail portion and can abut against the warping tail portion in the pressing process, and therefore the limiting portion 22 and the presser foot body 1 have interaction force in the sewing process.

In a specific embodiment, as shown in fig. 2, the presser foot body 1 is provided with a limiting groove 11, the limiting member 2 is elastically press-fittingly disposed in the limiting groove 11, and the edge pinhole 32 is communicated with the limiting groove 11. The limiting part 22 is connected with the elastic pressure rod 21 towards the direction of the limiting hole, and the edge needle hole 32 is communicated with the limiting groove 11, so that the position of the edge needle can be closer to the elastic pressure rod 21 and just fall in front of the limiting part 22.

One end of the connecting rod is hinged with the presser foot body 1, and the other end is connected with a covering machine. The presser foot body 1 is provided with a connecting groove 12 for placing a connecting rod. The connecting rod is connected with the presser foot body 1 in a hinged mode, so that the position of the presser foot body 1 can be conveniently adjusted to adapt to sewing of a sewing object.

In a specific embodiment, as shown in fig. 3, at least one separating plate 31 is disposed in the needle passing hole 3, and the limiting portion 22 is located behind an edge needle hole 32 formed by the separating plate 31 and the elastic pressing rod 21 close to the elastic pressing rod 21. Edge pinhole 32 is the position of lower needle, and spacing portion 22 can guarantee to treat the edge of sewing material and sew along spacing portion 22, and spacing portion 22 plays the effect of edge location, and the position of needle is located the place ahead of spacing portion 22 under the edge, can sew the position reality that cloth and cloth are bordered, can not lead to the edge perk.

In a specific embodiment, as shown in fig. 4, the spacing L between the separating sheet 31 adjacent to the elastic pressing rod 21 and the elastic pressing rod 21 is 0.1mm-0.3 mm. I.e. the distance between the edge needle hole 32 for the edge sub-needle and the resilient strut 21.

In a specific embodiment, as shown in fig. 5, the width D of the limiting portion 22 perpendicular to the feeding direction of the material to be sewn is 0.3mm to 0.5 mm. This ensures that the needle position below the edge needle hole 32 is entirely located in front of the stopper 22.

In a specific embodiment, as shown in fig. 6, in order to stitch the first layer of cloth 100 and the second layer of cloth 200 together, first the first layer of cloth 100 overlaps the second layer of cloth 200 to expose the overlapping edge line 300 of the first layer of cloth 100 and the second layer of cloth 200, and then stitch the covering stitch machine with the limiting piece 2, wherein the limiting piece 2 includes an elastic pressing rod 21 and a limiting part 22, during sewing, the pressing foot body 1 tightly adheres to the elastic pressing rod 21 by downward pressure and travels together with the elastic pressing rod 21 for sewing, when the pressing foot is lifted by the covering stitch machine, the pressing foot body 1 and the limiting piece 2 are loosened, and the limiting piece 2 is located in the limiting groove 11 and extends from the limiting groove 11 to the lower part of the pressing foot body 1. The overlapped edge lines 300 of the double-layer cloth lean against the limiting part 22 to be sewn during sewing, the sewing needle is arranged at the upper part in front of the limiting part 22, and the overlapped edge lines of the double-layer cloth can be covered by the sewing thread 400 after sewing, so that the edge position can not be tilted, and the edge is more attractive.

As shown in fig. 7, the limiting part 2 of the existing stitch-covering machine presser foot is not provided with a limiting part 22, only the elastic pressing rod 21 is provided, the overlapped edge line of the double-layer cloth is sewn by the elastic pressing rod 21, the position of the lower needle can only be arranged on one side of the elastic pressing rod 21, namely, one side of the overlapped edge line 300, so that the edge line cannot be covered for sewing, the sewing line 400 has a certain distance with the overlapped edge line 300, the edge can be tilted, the sewing position cannot be compacted, and the appearance is influenced.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The utility model provides a covering stitch machine presser foot, its characterized in that, includes presser foot body and locating part, the presser foot body is equipped with the spacing groove, but locating part elasticity pressfitting is located spacing inslot, be equipped with the pinhole on the presser foot body, the perpendicular to is equipped with the direction of feed of treating the sewing material the locating part, the locating part includes elastic pressure pole and spacing portion, the elastic pressure pole is close to one side of crossing the pinhole is connected with spacing portion, just spacing portion is located cross the rear of pinhole.

2. The stitch sewing machine presser foot according to claim 1, characterized in that at least one separating sheet is arranged in the needle passing hole, and the limiting part is located near the back of the edge needle hole formed by the separating sheet of the elastic pressing rod and the elastic pressing rod.

3. The stitch sewing machine presser foot according to claim 2, characterized in that the spacing between the separator close to the elastic pressing rod and the elastic pressing rod is 0.1mm-0.3 mm.

4. The stitch sewing machine presser foot according to claim 2, characterized in that the width of said limiting part perpendicular to the feeding direction of the object to be sewn is 0.3mm-0.5 mm.

5. The stitch sewing machine presser foot according to claim 2, characterized in that said edge needle hole communicates with said limiting groove.

6. The stitch sewing machine presser foot according to claim 1, characterized in that said presser foot body is provided with a warped tail portion facilitating sewing of an inlet.

7. The stitch presser foot according to claim 6, characterized in that one end of said limiting member is hinged to said presser foot body, and the other end of said limiting member extends to and is located below said warp tail.

8. The stitch machine presser foot according to claim 1, further comprising a connecting rod, one end of which is hinged with the presser foot body and the other end is connected with the stitch machine.