CN113317578B

CN113317578B - Method for manufacturing sleeves with three-dimensional elbow guard structures

Info

Publication number: CN113317578B
Application number: CN202110591180.5A
Authority: CN
Inventors: 刘若琳
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-10-18
Anticipated expiration: 2041-05-28
Also published as: CN113317578A

Abstract

The invention discloses a method for manufacturing sleeves with a three-dimensional elbow guard structure, which comprises the following steps: cutting the sleeve body piece according to the conventional method; manufacturing a modified left rear sleeve upper piece, a modified right rear sleeve upper piece and a modified rear sleeve lower piece; then the modified left rear sleeve upper piece and the modified right rear sleeve upper piece are sewn to obtain a modified rear sleeve upper piece; then the modified upper back sleeve piece and the modified lower back sleeve piece are sewed to obtain a modified back sleeve piece; sewing the front sleeve piece and the modified rear sleeve piece to obtain a modified sleeve body piece; and finally, sewing the modified sleeve body piece to obtain the sleeve with the three-dimensional elbow guard structure. The sleeve with the three-dimensional elbow guard structure not only can effectively protect the elbow, but also is convenient to put on and take off, convenient to use, good in comfort, attractive and easy to realize batch production.

Description

Method for manufacturing sleeves with three-dimensional elbow guard structures

Technical Field

The invention relates to manufacturing of sleeves, in particular to a method for manufacturing sleeves with a three-dimensional elbow guard structure, and belongs to the technical field of clothes.

Background

The human arm is slightly forward-inclined, and according to measurement, the included angle between the perpendicular line of the arm and the central line of the wrist is 6.18 degrees, and the included angle between the perpendicular line of the elbow of the arm and the central line of the wrist is 12.14 degrees. The elbow joint is in a convex spherical shape, and the elbow is the most obvious part of the form change in the work and study of the human body on desk and is also the part with the highest clothing loss rate. Therefore, the protection of the elbow is particularly important for students, staff, middle-aged and old people and sportsman groups.

At present, elbow protection is mainly adopted for elbow protection and is divided into two main categories of daily cold-proof health care and special sports protection according to different materials. Structurally, the utility model belongs to a separate design separated from the sleeve body, and has the disadvantages of the following three aspects: 1. due to the over-tight design, elbow protectors made of the elastic fabric have no effect on activating blood, and are not suitable for old people and children; 2. the binding-belt-type elbow protector is inconvenient to put on and take off due to winding and tying, and can generate dislocation and deformation in daily activities to influence the protection effect; 3. the cloth-adhered elbow guard, namely: the elbow of the sleeve body is provided with the thickened patch, and although the thermal insulation and the protection of the sleeve body can be enhanced by the mode, the overall attractiveness and the comfort of the sleeve can be influenced by the locally thickened design.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a method for manufacturing a sleeve with a three-dimensional elbow guard structure, so that the elbow guard and the sleeve body form an integrated structure, and the requirements of good protection effect, convenience in putting on and taking off, good comfort and no influence on the overall attractiveness of the sleeve are met.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

a method for manufacturing a sleeve with a three-dimensional elbow guard structure, comprising the following steps of:

a) Cutting a sleeve body piece according to a conventional method, wherein the sleeve body piece comprises a left sleeve bottom suture line, a rear sleeve folding line, a sleeve middle line, a front sleeve folding line, a right sleeve bottom suture line and a sleeve elbow line;

b) The intersection point O of the fold line of the back sleeve and the elbow line of the sleeve is taken as the center of a circle, the radius is 4-6 cm, and the name is given: the intersection point of the circle and the rear sleeve folding line is an A point, the intersection point of the circle and the rear sleeve folding line is an N point, the intersection point of the circle and the sleeve elbow line between the left sleeve bottom stitching line and the rear sleeve folding line is an M point, the intersection point of the connecting line of the A and M points and the left sleeve bottom stitching line is a B point, and the intersection point of the connecting line of the B and N points and the sleeve central line is a C point; recording the length of the AB line segment as La, the length of the AC line segment as Lb, the length of the BC line segment as Lc, the length of the OA line segment as L1, the length of the OB line segment as L2 and the length of the OC line segment as L3;

c) Cutting the sleeve body piece along the sleeve central line to divide the sleeve body piece into a front sleeve piece and a rear sleeve piece, cutting the rear sleeve piece along a BC line segment to divide the rear sleeve piece into a rear sleeve upper piece and a rear sleeve lower piece, cutting along an AB line segment and an AC line segment to remove a triangular ABC part on the rear sleeve upper piece, and cutting the obtained rear sleeve upper piece along a rear sleeve folding line to divide the obtained rear sleeve upper piece into a left rear sleeve upper piece and a right rear sleeve upper piece;

d) Setting the rising height of the three-dimensional elbow guard as h, taking the values of h and L1, h and L2 and h and L3 as the lengths of the hook and the strand of the right-angled triangle respectively, and then calculating the chord edge lengths of the corresponding right-angled triangle by using the pythagorean theorem and recording as L1', L2' and L3' respectively;

e) Respectively taking La, L1', L2', lb, L1', L3', lc, L2 'and L3' as the lengths of three sides of the triangle, cutting to obtain 3 triangle pieces, and recording as: triangular A ' B ' O ' pieces, triangular A ' C ' O ' pieces and triangular B ' C ' O ' pieces;

f) The A ' B ' side of the triangular A ' B ' O ' piece and the AB side of the left back sleeve upper piece are overlapped by the A ' point and the B ' point, and the A ' point and the B ' point are overlapped and sewn to obtain a modified left back sleeve upper piece; overlapping the A ' C ' side of the triangular A ' C ' O ' piece with the AC side of the right back sleeve upper piece by the A ' point and the A point, and overlapping the C ' point with the C point to sew up to obtain a modified right back sleeve upper piece; then the B ' C ' edge of the triangular B ' C ' O ' piece is overlapped with the BC edge of the back sleeve lower piece by the B ' point and the C ' point, and the modified back sleeve lower piece is obtained by sewing;

g) Then, respectively coinciding the rear sleeve folding line and the A 'O' edge of the modified left rear sleeve upper piece with the rear sleeve folding line and the A 'O' edge of the modified right rear sleeve upper piece for sewing to obtain a modified rear sleeve upper piece; sewing the O 'B' edge of the modified upper back sleeve piece and the O 'B' edge of the modified lower back sleeve piece, and sewing the O 'C' edge of the modified upper back sleeve piece and the O 'C' edge of the modified lower back sleeve piece to obtain a modified back sleeve piece; and finally, sewing the left sleeve bottom suture line and the right sleeve bottom suture line of the remodeled sleeve body piece to obtain the sleeve with the three-dimensional elbow guard structure.

Preferably, the rising height h of the three-dimensional elbow pad is 2-4 cm.

One embodiment, the method for manufacturing the triangular A ' B ' O ' sheet comprises the following steps: firstly, making a line segment A ' B ' by taking the La length, then making an arc 1 by taking the A ' point as the center of a circle and the L1' length as the radius, making an arc 2 by taking the B ' point as the center of a circle and the L2' length as the radius and enabling the arc to intersect with the arc 1 to obtain an intersection point which is an O ' point, and then respectively connecting the O ' point with the A ' point and the B ' point to obtain a triangular A ' B ' O ' slice by cutting.

One embodiment, the method for manufacturing the triangular A ' C ' O ' sheet comprises the following steps: firstly, a line segment A ' C ' is made according to the length of Lb, then an arc 3 is made according to the length of L1' and the point A ' as the center of a circle, an arc 4 is made according to the length of L3' and the point C ' as the center of a circle, the arc is intersected with the arc 3, the intersection point is an O ' point, and then the O ' point is respectively connected with the point A ' and the point C ', and the triangle A ' C ' O ' sheet can be obtained through cutting.

One embodiment, the method for manufacturing the triangular B ' C ' O ' sheet comprises the following steps: firstly, a line segment B ' C ' is made according to the length of Lc, then a circular arc 5 is made according to the length of L2' and the point B ' as the center of a circle, a circular arc 6 is made according to the length of L3' and the point C ' as the center of a circle, the circular arc is intersected with the circular arc 5, the intersection point is an O ' point, and then the O ' point is respectively connected with the point B ' and the point C ', and the triangular B ' C ' O ' piece can be obtained by cutting.

Preferably, the sleeves are seven-quarter sleeves, nine-quarter sleeves or long sleeves of adult clothes.

Compared with the prior art, the invention has the beneficial technical effects that:

according to the invention, the thigh string hooking principle is utilized skillfully, the rising height of the three-dimensional elbow guard is arranged by a hook, and an upwards-convex triangular three-dimensional body is formed at the elbow position by means of the difference between the string and the thigh, so that the sleeve with the three-dimensional elbow guard structure is manufactured, and the elbow guard and the sleeve body are integrated, thereby not only avoiding the defects of inconvenience in putting on and taking off and easiness in dislocation and deformation in movement existing in the conventional bandage-type elbow guard, but also avoiding the inconvenience in use existing in a separate elbow guard, not only being capable of effectively protecting the elbow, but also being convenient to put on and take off and use; moreover, the elbow guard structure has a three-dimensional profile, so that the elbow can be provided with a fully movable cavity, the defects of no blood circulation at the elbow and too tight and uncomfortable elbow caused by the bandage type elbow guard can be effectively avoided, and the elbow guard structure has the advantage of good comfort; meanwhile, the elbow guard structure has a three-dimensional profile, so that the overall pattern of the sleeve is more shaped and attractive, the sleeve is suitable for being worn outside, and batch production is easy to realize.

Drawings

FIG. 1 is a schematic diagram illustrating the manufacturing principle of step a) and step b) in the embodiment of the present invention;

FIG. 2 is a schematic diagram of the determination principle of the circle radius in step b) in the embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating the manufacturing principle of step c) in the embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating the manufacturing principle of step d) in the embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating the manufacturing principle of step e) in the embodiment of the present invention;

FIG. 6 is a schematic diagram illustrating the manufacturing principle of step f) in the embodiment of the present invention;

FIG. 7 is a schematic diagram of a back structure of a sleeve with a three-dimensional elbow guard structure according to an embodiment of the present invention;

fig. 8 is a schematic side view of a sleeve with a three-dimensional elbow guard structure according to an embodiment of the present invention.

The numbers in the figures are as follows:

1. a sleeve body sheet; 1', a modified sleeve body piece; 1-1, sewing the bottom of the left sleeve; 1-2, folding lines of the back sleeves; 1-3, sleeve midline; 1-4, folding lines of front sleeves; 1-5, right sleeve bottom suture; 1-6, sleeve elbow lines; 1a, a front sleeve sheet; 1b, a rear sleeve sheet; 1b', a modified rear sleeve panel; 1b-1, and putting the back sleeve; 1b-1', a modified back sleeve upper panel; 1b-11, and putting the left back sleeve; 1b-11', a modified left rear sleeve upper panel; 1b-12, and a right back sleeve upper piece; 1b-12', a modified right back sleeve top piece; 1b-2, a lower back sleeve; 1b-2', a modified lower back sleeve panel; 2. a three-dimensional elbow guard structure; 3. and (6) sleeves.

Detailed Description

The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.

Examples

The invention discloses a method for manufacturing sleeves with a three-dimensional elbow guard structure, which comprises the following steps:

a) Cutting a sleeve body piece 1 according to a conventional method, wherein the sleeve body piece 1 comprises a left sleeve bottom suture 1-1, a back sleeve fold line 1-2, a sleeve middle line 1-3, a front sleeve fold line 1-4, a right sleeve bottom suture 1-5 and a sleeve elbow line 1-6, and concretely referring to fig. 1;

b) A circle is made with a radius of 4-6 cm (the radius of 4 cm is selected in this embodiment, and the size of the radius is determined according to the radius of a spherical surface formed when the elbow joint of an adult is bent by 90 degrees, which can be specifically shown in fig. 2), by taking the intersection point O of the sleeve folding line 1-2 and the sleeve elbow line 1-6 as a center, and naming: the upper intersection point of the circle and the rear sleeve folding line 1-2 is an A point, the lower intersection point of the circle and the rear sleeve folding line 1-2 is an N point, the intersection point of the circle and the sleeve elbow line 1-6 between the left sleeve bottom suture line 1-1 and the rear sleeve folding line 1-2 is an M point, the intersection point of the connecting line of the A point and the M point and the left sleeve bottom suture line 1-1 is a B point, and the intersection point of the connecting line of the B point and the N point and the sleeve central line 1-3 is a C point; the length of the AB line segment is denoted as La, the length of the AC line segment is denoted as Lb, the length of the BC line segment is denoted as Lc, the length of the OA line segment is denoted as L1, the length of the OB line segment is denoted as L2, and the length of the OC line segment is denoted as L3, as shown in fig. 1;

c) Cutting a sleeve body sheet 1 into a front sleeve sheet 1a and a rear sleeve sheet 1b along a sleeve center line 1-3, cutting the rear sleeve sheet 1b into a rear sleeve upper sheet 1b-1 and a rear sleeve lower sheet 1b-2 along a BC line segment, cutting the rear sleeve sheet 1b into a rear sleeve upper sheet 1b-1 and a rear sleeve lower sheet 1b-2 along an AB line segment and an AC line segment to remove a triangular ABC part on the rear sleeve upper sheet 1b-1, cutting the obtained rear sleeve upper sheet 1b-1 into a left rear sleeve upper sheet 1b-11 and a right rear sleeve upper sheet 1b-12 along a rear sleeve folding line 1-2, and referring to fig. 3 specifically;

d) Setting the rising height of the three-dimensional elbow guard as h (the size of h determines the activity space of the three-dimensional elbow guard, preferably 2-4 cm, in this embodiment, h is taken as an example of 2), taking the values of h and L1, h and L2, and h and L3 as the length of the hook and the thigh of the right-angled triangle respectively, and then calculating the chord edge length of the corresponding right-angled triangle by using the pythagorean theorem, and recording the chord edge lengths as L1', L2' and L3', respectively, as shown in fig. 4;

e) Respectively taking La, L1', L2', lb, L1', L3', lc, L2 'and L3' as the lengths of three sides of the triangle, cutting to obtain 3 triangle pieces, and recording as: triangular A ' B ' O ' pieces, triangular A ' C ' O ' pieces and triangular B ' C ' O ' pieces; specifically, refer to fig. 5:

the manufacturing method of the triangular A ' B ' O ' sheet comprises the following steps: firstly, making a line segment A ' B ' by taking the La length as a circle center, then making an arc 1 by taking the A ' point as the circle center and the L1' length as the radius, making an arc 2 by taking the B ' point as the circle center and the L2' length as the radius and enabling the arc 2 to be intersected with the arc 1 to obtain an intersection point which is an O ' point, and then respectively connecting the O ' point with the A ' point and the B ' point to obtain a triangular A ' B ' O ' piece by cutting;

the manufacturing method of the triangular A ' C ' O ' sheet comprises the following steps: firstly, making a line segment A ' C ' by using the length of Lb, then making an arc 3 by using the point A ' as a circle center and the length of L1' as a radius, making an arc 4 by using the point C ' as a circle center and the length of L3' as a radius, and enabling the arc to intersect with the arc 3 to obtain an intersection point which is an O ' point, and then respectively connecting the O ' point with the point A ' and the point C ' to obtain a triangular A ' C ' O ' piece by cutting;

the manufacturing method of the triangular B ' C ' O ' sheet comprises the following steps: firstly, a line segment B ' C ' is made according to the length of Lc, then a point B ' is taken as a circle center, the length of L2' is taken as a radius to make an arc 5, a point C ' is taken as a circle center, the length of L3' is taken as a radius to make an arc 6 and intersect with the arc 5, the obtained intersection point is an point O ', and the point O ' is respectively connected with the point B ' and the point C ', so that a triangular B ' C ' O ' sheet can be obtained by cutting;

f) Overlapping the A 'B' side of the triangular A 'B' O 'piece and the AB side of the left back sleeve upper piece 1B-11 by the A' point and the B 'point, and sewing to obtain a modified left back sleeve upper piece 1B-11'; overlapping the A 'C' side of the triangular A 'C' O 'piece and the AC side of the right back sleeve upper piece 1b-12 with the A' point and the C 'point, and sewing to obtain a modified right back sleeve upper piece 1b-12'; then, the B ' C ' edge of the triangular B ' C ' O ' piece and the BC edge of the back sleeve lower piece 1B-2 are overlapped by the B ' point and the C ' point, and the C ' point and the B point are overlapped and sewn to obtain a modified back sleeve lower piece 1B-2', which is shown in fig. 6;

g) Then, the edges of the rear sleeve fold lines 1-2 and A ' O ' of the modified left rear sleeve upper piece 1b-11' are respectively overlapped with the edges of the rear sleeve fold lines 1-2 and A ' O ' of the modified right rear sleeve upper piece 1b-12' for sewing to obtain a modified rear sleeve upper piece 1b-1'; sewing the edge O ' B ' of the modified upper back sleeve piece 1B-1' with the edge O ' B ' of the modified lower back sleeve piece 1B-2', and sewing the edge O ' C ' of the modified upper back sleeve piece 1B-1' with the edge O ' C ' of the modified lower back sleeve piece 1B-2' to obtain a modified rear sleeve piece 1B '; and finally, sewing the sleeve midline 1-3 of the front sleeve piece 1a and the sleeve midline 1-3 of the modified back sleeve piece 1b ' to obtain a modified sleeve body piece 1', and finally sewing the left sleeve base line 1-1 and the right sleeve base line 1-5 of the modified sleeve body piece 1' to obtain the sleeve 3 with the three-dimensional elbow guard structure 2, which is shown in a specific reference to fig. 6 to 8.

Preferably, the sleeves of the invention are seven-quarter sleeves, nine-quarter sleeves or long sleeves of adult clothes.

In summary, it can be seen that: according to the invention, the thigh string hooking principle is utilized skillfully, the rising height of the three-dimensional elbow guard is arranged by a hook, and an upwards-convex triangular three-dimensional body is formed at the elbow position by means of the difference between the string and the thigh, so that the sleeve with the three-dimensional elbow guard structure is manufactured, and the elbow guard and the sleeve body are integrated, thereby not only avoiding the defects of inconvenience in putting on and taking off and easiness in dislocation and deformation in movement existing in the conventional bandage-type elbow guard, but also avoiding the inconvenience in use existing in a separate elbow guard, not only being capable of effectively protecting the elbow, but also being convenient to put on and take off and use; moreover, the elbow guard structure has a three-dimensional profile, so that the elbow can be provided with a fully movable cavity, the defects of no blood circulation at the elbow and too tight and uncomfortable elbow caused by the bandage type elbow guard can be effectively avoided, and the elbow guard structure has the advantage of good comfort; meanwhile, the elbow guard structure has a three-dimensional profile, so that the overall pattern of the sleeve is more shaped and attractive, the sleeve is suitable for being worn outside, and batch production is easy to realize.

It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention will be covered within the scope of the present invention.

Claims

1. A method of making a sleeve having a three-dimensional elbow guard structure, the method comprising the steps of:

b) The intersection point O of the fold line of the rear sleeve and the elbow line of the sleeve is used as the center of a circle, the radius is 4-6 cm, and the name is as follows: the upper intersection point of the circle and the back sleeve fold line is an A point, the lower intersection point of the circle and the back sleeve fold line is an N point, the intersection point of the circle and the sleeve elbow line between the left sleeve bottom suture line and the back sleeve fold line is an M point, the intersection point of the connecting line of the A and M points and the left sleeve bottom suture line is a B point, and the intersection point of the connecting line of the B and N points and the sleeve central line is a C point; recording the length of the AB line segment as La, the length of the AC line segment as Lb, the length of the BC line segment as Lc, the length of the OA line segment as L1, the length of the OB line segment as L2 and the length of the OC line segment as L3;

c) Cutting the sleeve body piece along the sleeve midline to divide the sleeve body piece into a front sleeve piece and a rear sleeve piece, cutting the rear sleeve piece along a BC line segment to divide the rear sleeve piece into a rear sleeve upper piece and a rear sleeve lower piece, cutting the triangular ABC part on the rear sleeve upper piece along an AB line segment and an AC line segment, and cutting the obtained rear sleeve upper piece along a rear sleeve folding line to divide the rear sleeve upper piece into a left rear sleeve upper piece and a right rear sleeve upper piece;

e) Respectively taking La, L1', L2', lb, L1', L3', lc, L2 'and L3' as the lengths of three sides of the triangle, cutting to obtain 3 triangle pieces, and recording as: triangular A ' B ' O ' pieces, triangular A ' C ' O ' pieces and triangular B ' C ' O ' pieces; the manufacturing method of the triangular A ' B ' O ' sheet comprises the following steps: firstly, making a line segment A ' B ' by taking the La length as a circle center, then making an arc 1 by taking the A ' point as the circle center and the L1' length as the radius, making an arc 2 by taking the B ' point as the circle center and the L2' length as the radius and enabling the arc 2 to be intersected with the arc 1 to obtain an intersection point which is an O ' point, and then respectively connecting the O ' point with the A ' point and the B ' point to obtain a triangular A ' B ' O ' piece by cutting; the manufacturing method of the triangular A ' C ' O ' sheet comprises the following steps: firstly, making a line segment A ' C ' by using the Lb length, then making an arc 3 by using the A ' point as a circle center and the L1' length as a radius, making an arc 4 by using the C ' point as a circle center and the L3' length as a radius, and intersecting the arc 3 to obtain an intersection point, namely an O ' point, and then respectively connecting the O ' point with the A ' point and the C ' point to obtain a triangular A ' C ' O ' piece by cutting; the manufacturing method of the triangular B ' C ' O ' sheet comprises the following steps: firstly, a line segment B ' C ' is made according to the length of Lc, then a point B ' is taken as a circle center, the length of L2' is taken as a radius to make an arc 5, a point C ' is taken as a circle center, the length of L3' is taken as a radius to make an arc 6 and intersect with the arc 5, the obtained intersection point is an point O ', and the point O ' is respectively connected with the point B ' and the point C ', so that a triangular B ' C ' O ' sheet can be obtained by cutting;

f) Overlapping the A ' B ' side of the triangular A ' B ' O ' piece and the AB side of the left back sleeve upper piece by the A ' point and the B ' point, and sewing to obtain a modified left back sleeve upper piece; overlapping the A ' C ' side of the triangular A ' C ' O ' piece with the AC side of the right back sleeve upper piece by the A ' point and the A point, and overlapping the C ' point with the C point to sew up to obtain a modified right back sleeve upper piece; then, the B ' C ' edge of the triangular B ' C ' O ' piece and the BC edge of the rear sleeve lower piece are overlapped by the B ' point and the C ' point, and the modified rear sleeve lower piece is obtained by sewing;

g) Then, respectively coinciding the rear sleeve folding line and the A 'O' edge of the modified left rear sleeve upper piece with the rear sleeve folding line and the A 'O' edge of the modified right rear sleeve upper piece for sewing to obtain a modified rear sleeve upper piece; sewing the O 'B' edge of the modified upper back sleeve piece and the O 'B' edge of the modified lower back sleeve piece, and sewing the O 'C' edge of the modified upper back sleeve piece and the O 'C' edge of the modified lower back sleeve piece to obtain a modified back sleeve piece; and finally, sewing the left sleeve bottom suture line and the right sleeve bottom suture line of the modified sleeve body piece to obtain the sleeve with the three-dimensional elbow guard structure.

2. The method of claim 1, wherein: the rising height h of the three-dimensional elbow pad is 2-4 cm.

3. The method of claim 1, wherein: the sleeves are seven-quarter sleeves, nine-quarter sleeves or long sleeves of adults.