CN206641426U - Wedding dress seam type structure system - Google Patents

Abstract

The utility model discloses a wedding dress seam type structural system, include: collar seam, shoulder seam, sleeve side seam, princess seam, waist seam, skirt side seam and lower hem seam. The utility model discloses a wedding dress seam type structural system has multiple seam type for the clothes style is various, and the degree next to the shin is good, sews up the pleasing to the eye level of department, adaptation that can be fine is fashion trend that changes now.

Description

Wedding dress seam structure system

technical field

The utility model relates to a wedding dress sewing structure system.

Background technique

The stitching of wedding dress pieces is an important step in the production of wedding dresses. A lot of sewing work is required for the pieces. Because traditional wedding dress pieces only use 4 to 5 seams when sewing, the styles are limited and close-fitting The stitching is not beautiful enough or uneven, and cannot adapt to the trend of today's fashion changes. Therefore, a seam structure system that can make clothes more snug, beautiful and smooth is sought.

Utility model content

The purpose of the utility model is: to provide a wedding dress seam structure system, which adopts various seam structures to solve the problems that the clothes do not fit the body, the seams are uneven and not beautiful enough, and the like.

The technical scheme of the utility model is: wedding dress seam structure system, including: collar seam, shoulder seam, sleeve seam, sleeve side seam, sleeve edge seam, princess seam, waist seam, skirt side seam and hem seam,

The collar seam includes a first fabric and a lining, and the first fabric is folded down to form a first double-layer structure, the upper layer of the first double-layer structure is longer than the lower layer of the first double-layer structure, and the inner The material is folded down into a second double-layer structure, the upper layer of the second double-layer structure is shorter than the lower layer of the second double-layer structure, and the first double-layer structure is arranged above the second double-layer structure , the first double-layer structure is parallel to the second double-layer structure, the lower layer of the first double-layer structure is sewn together with the upper layer of the second double-layer structure by sutures,

The shoulder seam comprises a first fabric and a second fabric, the first fabric is folded down to form a third double-layer structure, the upper layer of the third double-layer structure is longer than the lower layer of the third double-layer structure, the The second fabric is folded downwards into a fourth double-layer structure, the upper layer of the fourth double-layer structure is longer than the lower layer of the fourth double-layer structure, the third double-layer structure and the fourth double-layer structure are symmetrical, and the fourth double-layer structure is symmetrical. The third double-layer structure and the fourth double-layer structure are on the same level, and the connection between the upper layer and the lower layer of the third double-layer structure and the connection between the upper layer and the lower layer of the fourth double-layer structure are passed through sutures sewing,

The sleeve seam includes a first fabric, a second fabric and a lining, the first fabric is folded down to form a fifth double-layer structure, and the upper layer of the fifth double-layer structure is longer than that of the fifth double-layer structure. The lower layer, the second fabric is arranged below the fifth double-layer structure, the lining is folded upwards to form a sixth double-layer structure, and the upper layer of the sixth double-layer structure is shorter than the sixth double-layer structure The lower layer of the sixth double-layer structure, the sixth double-layer structure is arranged below the second fabric, the fifth double-layer structure, the second fabric and the sixth double-layer structure are parallel, and the lower layer of the fifth double-layer structure , the second fabric and the upper layer of the sixth double-layer structure are sewed with sutures, and the lower layer of the fifth double-layer structure is sewed with the second fabric with sutures,

The sleeve side seam comprises a first fabric and a second fabric, the first fabric is folded downwards into a seventh double-layer structure, the upper layer of the seventh double-layer structure is longer than the lower layer of the seventh double-layer structure, so The second fabric is folded downwards into an eighth double-layer structure, the upper layer of the eighth double-layer structure is longer than the lower layer of the eighth double-layer structure, the seventh double-layer structure and the eighth double-layer structure are symmetrical, so The seventh double-layer structure and the eighth double-layer structure are on the same horizontal plane, and the connection between the upper layer and the lower layer of the seventh double-layer structure and the connection between the upper layer and the lower layer of the eighth double-layer structure pass through a seam thread stitching,

The sleeve edge seam includes a first fabric, one end of the first fabric is bent upward twice to form a first three-layer structure, and the length of the upper layer of the first three-layer structure is longer than that of the first three-layer The length of the middle layer of the structure, the length of the lower layer of the first three-layer structure is longer than the length of the upper layer of the first three-layer structure, the upper layer, the middle layer and the lower layer of the first three-layer structure pass through the seam thread stitching,

The princess seam includes a first fabric and a second fabric, the first fabric is folded downwards into a ninth double-layer structure, the upper layer of the ninth double-layer structure is longer than the lower layer of the ninth double-layer structure, so The second fabric is folded downwards into a tenth double-layer structure, the upper layer of the tenth double-layer structure is longer than the lower layer of the tenth double-layer structure, and the ninth double-layer structure and the tenth double-layer structure are symmetrical, so The ninth double-layer structure and the tenth double-layer structure are on the same horizontal plane, and the connection between the upper layer and the lower layer of the ninth double-layer structure and the connection between the upper layer and the lower layer of the tenth double-layer structure are through seams thread stitching,

The waist seam comprises a first fabric and a second fabric, the second fabric is folded upwards into an eleventh double-layer structure, the upper layer of the eleventh double-layer structure is shorter than the lower layer of the eleventh double-layer structure , the first fabric is arranged above the eleventh double-layer structure, the first fabric is parallel to the eleventh double-layer structure, the first fabric is parallel to the eleventh double-layer structure The upper layer is stitched with seams,

The skirt side seam comprises a first fabric and a second fabric, the first fabric is folded down into a twelfth double-layer structure, the upper layer of the twelfth double-layer structure is longer than the upper layer of the twelfth double-layer structure The lower layer, the second fabric is folded downwards to form a thirteenth double-layer structure, the upper layer of the thirteenth double-layer structure is longer than the lower layer of the thirteenth double-layer structure, the twelfth double-layer structure and the thirteenth double-layer structure The thirteenth double-layer structure is symmetrical, the twelfth double-layer structure and the thirteenth double-layer structure are on the same level, and the connection between the upper layer and the lower layer of the twelfth double-layer structure is connected to the thirteenth double-layer structure The connection between the upper layer and the lower layer of the double-layer structure is stitched with sutures.

The hem seam comprises a first fabric, one end of the first fabric is bent upwards twice to form a second three-layer structure, the length of the upper layer of the second three-layer structure is longer than that of the second three-layer structure The length of the middle layer, the length of the lower layer of the second three-layer structure is longer than the length of the upper layer of the second three-layer structure, the upper layer, the middle layer and the lower layer of the second three-layer structure are passed through sutures suture.

The utility model has the advantages that: the wedding dress seam structure system has various seams, so that the clothing styles are various, the fit is good, the seams are beautiful and smooth, and it can well adapt to the changing trend of the current fashion.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor. in,

Fig. 1 is the general diagram schematic diagram of the seam pattern of the wedding dress seam structure system of the present utility model;

Fig. 2 is a schematic diagram of the sewing process of the wedding dress seam structure system of the present utility model;

Fig. 3 is the seam schematic diagram of the collar seam of the wedding dress seam structure system of the present utility model;

Fig. 4 is the seam schematic diagram of the shoulder seam of the wedding dress seam structure system of the present utility model;

Fig. 5 is the seam schematic diagram of the sleeve seam of the wedding dress seam structure system of the present utility model;

Fig. 6 is the seam schematic diagram of the sleeve side seam of the wedding dress seam structure system of the present utility model;

Fig. 7 is the seam schematic diagram of the sleeve side seam of the wedding dress seam structure system of the present utility model;

Fig. 8 is a schematic diagram of the princess seam of the wedding dress seam structure system of the present invention;

Fig. 9 is a schematic diagram of the waist seam of the wedding dress seam structure system of the present invention;

Fig. 10 is a schematic diagram of the skirt side seam of the wedding dress seam structure system of the present invention;

Fig. 11 is a schematic diagram of the hem seam of the wedding dress seam structure system of the present invention.

Wherein: 1 is the collar seam, 11 is the first double-layer structure, 12 is the second double-layer structure, 2 is the shoulder seam, 21 is the third double-layer structure, 22 is the fourth double-layer structure, 3 is the sleeve seam, 31 is the fifth double-layer structure, 32 is the sixth double-layer structure, 4 is the sleeve side seam, 41 is the seventh double-layer structure, 42 is the eighth double-layer structure, 5 is the sleeve edge seam, 51 is the first third Layer structure, 6 is the princess seam, 61 is the ninth double layer structure, 62 is the tenth double layer structure, 7 is the waist seam, 71 is the eleventh double layer structure, 8 is the skirt side seam, 81 is the twelfth layer Double-layer structure, 82 is the thirteenth double-layer structure, 9 is the hem seam, 91 is the second three-layer structure, 101 is the second fabric, and 102 is the first fabric.

detailed description

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the technical solution of the utility model will be further described below in conjunction with the accompanying drawings and embodiments. But the utility model is not limited to the listed embodiments, and should also include any other known changes within the claimed scope of the utility model.

First of all, "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Secondly, the utility model is described in detail by means of structural schematic diagrams, etc. When describing the embodiments of the utility model in detail, for the convenience of explanation, the schematic diagrams will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit this invention. The scope of utility model protection. In addition, the three-dimensional space of length, width and depth should be included in actual production.

Furthermore, the sutures are threads known to be used for sewing clothes, which is common knowledge. The first fabric mentioned in each seam pattern is the same fabric, and the second fabric mentioned in each seam pattern is the same fabric. Fabric, the third fabric mentioned in each seam type is the same fabric.

Please refer to Fig. 1, Fig. 1 is a schematic diagram of the general seam pattern of the wedding dress seam structure system of the present invention. As shown in Figure 1, the utility model provides a wedding dress seam structure system, including: collar seam 1, shoulder seam 2, sleeve sleeve seam 3, sleeve side seam 4, sleeve edge seam 5, princess seam 6, waist seam 7, 8 side seams and 9 hem seams.

Please refer to Fig. 2, Fig. 2 is a schematic diagram of the sewing process of the wedding dress seam structure system of the present invention. As shown in Figure 2, the above nine seam types combined with the sewing order are applied to the sewing of wedding dresses.

Please refer to Fig. 3, which is a schematic diagram of the collar seam of the wedding dress seam structure system of the present invention. As shown in Figure 3, the collar seam 1 includes a first fabric (not shown) and a lining (not shown), the first fabric is folded down to form a first double-layer structure 11, the upper layer of the first double-layer structure 11 is longer than The lower layer of the first double-layer structure 11, the lining is folded downwards into a second double-layer structure 12, the upper layer of the second double-layer structure 12 is shorter than the lower layer of the second double-layer structure 12, and the first double-layer structure 11 is arranged on the second layer On the top of the second double-layer structure 12, the first double-layer structure 11 is parallel to the second double-layer structure 12, and the lower layer of the first double-layer structure 11 and the upper layer of the second double-layer structure 12 are sewn together by sutures, and the sewing steps are as follows: : (1) Align the front of the first fabric and lining, and then align the seam allowance; (2) Perform flat seaming; (3) Fold the first fabric and lining to the front along the edge of the seam, and iron .

Please refer to Fig. 4, Fig. 4 is a schematic diagram of the shoulder seam of the wedding dress seam structure system of the present invention. As shown in Figure 4, the shoulder seam 2 includes a first fabric (not shown) and a second fabric (not shown), the first fabric is folded down to form a third double-layer structure 21, and the upper layer of the third double-layer structure 21 Longer than the lower layer of the third double-layer structure 21, the second fabric is folded down to form the fourth double-layer structure 22, the upper layer of the fourth double-layer structure is longer than the lower layer of the fourth double-layer structure 22, the third double-layer structure 21 and the fourth double-layer structure The double-layer structure 22 is symmetrical, the third double-layer structure 21 and the fourth double-layer structure 22 are on the same horizontal plane, the connection between the upper layer and the lower layer of the third double-layer structure 21 and the connection between the upper layer and the lower layer of the fourth double-layer structure 22 The stitches are used to sew, and the sewing steps are as follows: (1) The front of the first fabric and the second fabric are aligned (the second fabric and the first fabric are actually the same piece of fabric, that is, the front of the first fabric and the other end Alignment), and then align the seam allowance; (2) Flat seam; (3) Fold the fabric along the edge of the seam to the front, and iron the seam separately.

Please refer to Fig. 5, Fig. 5 is a schematic diagram of the sleeve seam of the wedding dress seam structure system of the present invention. As shown in Figure 5, the sleeve seam 3 includes a first fabric (not shown), a second fabric 101 and a lining (not shown), the first fabric is folded down into a fifth double-layer structure 31, and the fifth double The upper layer of the layer structure 31 is longer than the lower layer of the fifth double-layer structure 31, the second fabric 101 is arranged below the fifth double-layer structure 31, the lining is folded upwards to form the sixth double-layer structure 32, and the upper layer of the sixth double-layer structure 32 Shorter than the lower layer of the sixth double-layer structure 32, the sixth double-layer structure 32 is arranged below the second fabric 101, the fifth double-layer structure 31, the second fabric 101 and the sixth double-layer structure 32 are parallel, and the fifth double-layer structure The lower layer of the structure 31, the second fabric 101 and the upper layer of the sixth double-layer structure 32 are sewn together with sutures, and the lower layer of the fifth double-layer structure 31 is sewn with the second fabric 101 through sutures. The sewing steps are: (1) Align the front of the sleeve fabric with the body fabric (the second fabric 101), and then align the seam measurement cutout; (2) perform flat seam; (3) flip the fabric and align the body lining; (4) perform flat seam; (5) Turn over the body fabric and lining and iron it.

Please refer to FIG. 6 , which is a schematic diagram of the sleeve side seam of the wedding dress seam structure system of the present invention. As shown in Figure 6, the sleeve side seam 4 includes a first fabric (not shown) and a second fabric (not shown), the first fabric is folded down to form a seventh double-layer structure 41, the seventh double-layer structure 41 The upper layer is longer than the lower layer of the seventh double-layer structure 41, and the second fabric is folded downward to form the eighth double-layer structure 42. The upper layer of the eighth double-layer structure 42 is longer than the lower layer of the eighth double-layer structure 42, and the seventh double-layer structure 41 and The eighth double-layer structure 42 is symmetrical, the seventh double-layer structure 41 and the eighth double-layer structure 42 are on the same horizontal plane, the connection between the upper layer and the lower layer of the seventh double-layer structure 41 and the upper layer and the lower layer of the eighth double-layer structure 42 The joints are sewn with seams, and the sewing steps are as follows: (1) The front of the fabric is aligned (the second fabric and the first fabric are actually the same piece of fabric, that is, the front of the first fabric is aligned with the other end), Then align the seam measurement knife eye; (2) perform flat seam; (3) fold the fabric to the front along the edge of the seam, and iron the seam separately.

Please refer to Fig. 7, Fig. 7 is a schematic diagram of the sleeve edge seam of the wedding dress seam structure system of the present invention. As shown in Figure 7, the sleeve seam 5 includes a first fabric (not shown), one end of the first fabric is bent upward twice to form the first three-layer structure 51, the length of the upper layer of the first three-layer structure 51 Longer than the length of the middle layer of the first three-layer structure 51, the length of the lower layer of the first three-layer structure 51 is longer than the length of the upper layer of the first three-layer structure 51, the upper layer, middle layer of the first three-layer structure 51 It is sewed with the lower layer by sutures, and the sewing steps are as follows: (1) The edge of the cuff is edged with three curls.

Please refer to FIG. 8 , which is a schematic diagram of the princess seam of the wedding dress seam structure system of the present invention. As shown in Figure 8, the princess seam 6 includes a first fabric (not shown) and a second fabric (not shown), the first fabric is folded down to form the ninth double-layer structure 61, the ninth double-layer structure 61 The upper layer is longer than the lower layer of the ninth double-layer structure 61, and the second fabric is folded downward to form the tenth double-layer structure 62. The upper layer of the tenth double-layer structure 62 is longer than the lower layer of the tenth double-layer structure 62, and the ninth double-layer structure 61 and The tenth double-layer structure 62 is symmetrical, the ninth double-layer structure 61 and the tenth double-layer structure 62 are on the same horizontal plane, the connection between the upper layer and the lower layer of the ninth double-layer structure 61 is the same as the upper layer and the lower layer of the tenth double-layer structure 62 The joints are sewn with seams, and the sewing steps are as follows: (1) The front of the fabric is aligned (the second fabric and the first fabric are actually the same piece of fabric, that is, the front of the first fabric is aligned with the other end), Then align the seam measurement knife eye; (2) perform flat seam; (3) fold the fabric to the front along the edge of the seam, and iron the seam separately.

Please refer to FIG. 9, which is a schematic diagram of the waist seam of the wedding dress seam structure system of the present invention. As shown in Figure 9, the waist seam 7 includes a first fabric 102 and a second fabric (not shown), the second fabric is folded upwards to form an eleventh double-layer structure 71, and the upper layer of the eleventh double-layer structure 71 is shorter than the upper layer of the eleventh double-layer structure 71. The lower layer of the eleventh double-layer structure 72, the first fabric 102 is arranged on the top of the eleventh double-layer structure 71, the first fabric 102 and the eleventh double-layer structure 71 are parallel, the first fabric 102 and the eleventh double-layer structure The upper layer of 71 is sewed with sutures. The sewing steps are: (1) align the front of the fabric, and then align the seam allowance; (2) perform flat seams; (3) fold the body fabric along the edge of the suture to On the front, proceed to iron.

Please refer to FIG. 10 . FIG. 10 is a schematic diagram of the skirt side seam of the wedding dress seam structure system of the present invention. As shown in Figure 10, the skirt side seam 8 includes a first fabric (not shown) and a second fabric (not shown), the first fabric is folded down to form a twelfth double-layer structure 81, and the twelfth double-layer structure The upper layer of 81 is longer than the lower layer of the twelfth double-layer structure 81, and the second fabric is folded downward to form the thirteenth double-layer structure 82, and the upper layer of the thirteenth double-layer structure 82 is longer than the lower layer of the thirteenth double-layer structure 82, The twelfth double-layer structure 81 and the thirteenth double-layer structure 82 are symmetrical, the twelfth double-layer structure 81 and the thirteenth double-layer structure 82 are on the same level, and the connection between the upper layer and the lower layer of the twelfth double-layer structure 81 The connection between the upper layer and the lower layer of the thirteenth double-layer structure 82 is sewed with seams, and the sewing steps are: (1) the front of the fabric is aligned (the second fabric and the first fabric are actually the same piece of fabric, that is, the first This end of the fabric is aligned with the other end), and then align the seam measurement knife; (2) Flat seam; (3) Fold the fabric along the edge of the seam to the front, and iron the seam separately.

Please refer to FIG. 11 . FIG. 11 is a schematic diagram of the hem seam of the wedding dress seam structure system of the present invention. As shown in Figure 11, the hem seam 9 comprises a first fabric, and one end of the first fabric is bent upward twice to form a second three-layer structure 91, and the length of the upper layer of the second three-layer structure 91 is longer than that of the second three-layer structure. The length of the middle layer of the three-layer structure 91, the length of the lower layer of the second three-layer structure 91 is longer than the length of the upper layer of the second three-layer structure 91, and the upper layer, the middle layer and the lower layer of the second three-layer structure 91 pass through the seam Seam stitching, the sewing steps are: (1) The edge of the cuff is edged along the three curls.

To sum up, the utility model discloses a wedding dress seam structure system, which has a variety of seams, which makes the clothes have various styles, good fit, beautiful and smooth seams, and can well adapt to the changing trend of current fashion.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (1)

1. A wedding dress form construction system, comprising: collar seam, shoulder seam, sleeve side seam, princess seam, waist seam, skirt side seam and lower hem seam,

the collar seam comprises a first fabric and a lining, the first fabric is folded downwards to form a first double-layer structure, the upper layer of the first double-layer structure is longer than the lower layer of the first double-layer structure, the lining is folded downwards to form a second double-layer structure, the upper layer of the second double-layer structure is shorter than the lower layer of the second double-layer structure, the first double-layer structure is arranged above the second double-layer structure, the first double-layer structure is parallel to the second double-layer structure, and the lower layer of the first double-layer structure and the upper layer of the second double-layer structure are sewn through a suture,

the shoulder seam comprises a first fabric and a second fabric, the first fabric is folded downwards to form a third double-layer structure, the upper layer of the third double-layer structure is longer than the lower layer of the third double-layer structure, the second fabric is folded downwards to form a fourth double-layer structure, the upper layer of the fourth double-layer structure is longer than the lower layer of the fourth double-layer structure, the third double-layer structure and the fourth double-layer structure are symmetrical, the third double-layer structure and the fourth double-layer structure are on the same horizontal plane, the joint of the upper layer and the lower layer of the third double-layer structure and the joint of the upper layer and the lower layer of the fourth double-layer structure are sewn through a suture,

the sleeve stitching comprises a first fabric, a second fabric and a lining, the first fabric is folded downwards to form a fifth double-layer structure, the upper layer of the fifth double-layer structure is longer than the lower layer of the fifth double-layer structure, the second fabric is arranged below the fifth double-layer structure, the lining is folded upwards to form a sixth double-layer structure, the upper layer of the sixth double-layer structure is shorter than the lower layer of the sixth double-layer structure, the sixth double-layer structure is arranged below the second fabric, the fifth double-layer structure, the second fabric and the sixth double-layer structure are parallel, the lower layer of the fifth double-layer structure, the second fabric and the upper layer of the sixth double-layer structure are stitched through a suture, and the lower layer of the fifth double-layer structure and the second fabric are stitched through a suture,

the sleeve side seam comprises a first fabric and a second fabric, the first fabric is folded downwards to form a seventh double-layer structure, the upper layer of the seventh double-layer structure is longer than the lower layer of the seventh double-layer structure, the second fabric is folded downwards to form an eighth double-layer structure, the upper layer of the eighth double-layer structure is longer than the lower layer of the eighth double-layer structure, the seventh double-layer structure and the eighth double-layer structure are symmetrical, the seventh double-layer structure and the eighth double-layer structure are on the same horizontal plane, the joint of the upper layer and the lower layer of the seventh double-layer structure and the joint of the upper layer and the lower layer of the eighth double-layer structure are sewn through a suture,

the sleeve edge seam comprises a first fabric, one end of the first fabric is bent upwards twice to form a first three-layer structure, the length of the upper layer of the first three-layer structure is longer than that of the middle layer of the first three-layer structure, the length of the lower layer of the first three-layer structure is longer than that of the upper layer of the first three-layer structure, the upper layer, the middle layer and the lower layer of the first three-layer structure are sewn through stitches,

the princess seam comprises a first fabric and a second fabric, the first fabric is folded downwards to form a ninth double-layer structure, the upper layer of the ninth double-layer structure is longer than the lower layer of the ninth double-layer structure, the second fabric is folded downwards to form a tenth double-layer structure, the upper layer of the tenth double-layer structure is longer than the lower layer of the tenth double-layer structure, the ninth double-layer structure and the tenth double-layer structure are symmetrical, the ninth double-layer structure and the tenth double-layer structure are on the same horizontal plane, the joint of the upper layer and the lower layer of the ninth double-layer structure and the joint of the upper layer and the lower layer of the tenth double-layer structure are sewn through a seam,

the waist seam comprises a first fabric and a second fabric, the second fabric is folded upwards to form an eleventh double-layer structure, the upper layer of the eleventh double-layer structure is shorter than the lower layer of the eleventh double-layer structure, the first fabric is arranged above the eleventh double-layer structure, the first fabric and the eleventh double-layer structure are parallel, the first fabric and the upper layer of the eleventh double-layer structure are sewn through a sewing line,

the skirt side seam comprises a first fabric and a second fabric, the first fabric is folded downwards to form a twelfth double-layer structure, the upper layer of the twelfth double-layer structure is longer than the lower layer of the twelfth double-layer structure, the second fabric is folded downwards to form a thirteenth double-layer structure, the upper layer of the thirteenth double-layer structure is longer than the lower layer of the thirteenth double-layer structure, the twelfth double-layer structure and the thirteenth double-layer structure are symmetrical, the twelfth double-layer structure and the thirteenth double-layer structure are on the same horizontal plane, the joint of the upper layer and the lower layer of the twelfth double-layer structure and the joint of the upper layer and the lower layer of the thirteenth double-layer structure are sewn through a suture line,

the lower hem seam comprises a first fabric, one end of the first fabric is bent upwards twice to form a second three-layer structure, the length of the upper layer of the second three-layer structure is longer than that of the middle layer of the second three-layer structure, the length of the lower layer of the second three-layer structure is longer than that of the upper layer of the second three-layer structure, and the upper layer, the middle layer and the lower layer of the second three-layer structure are sewn through sewing threads.