Down jacket

By combining the three-dimensional filling area and the conventional filling area in the down jacket, the grid-shaped three-dimensional filling cavity structure solves the problems of heavy and air leakage in the existing down jacket, improving the warmth performance and wearing experience, and ensuring flexibility in activities Decent and appearance.

CN222322884UActive Publication Date: 2025-01-10BEIJING SKYMAN CLOTHING CO LTD
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Patent Information

Application Number
CN202421000361.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-01-10
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Due to the unified filling structure and low fluffy filling, existing down jackets have high warmth but heavy volume, inconvenient wear, easy to leak air and affect the range of movement, and their appearance is not appropriate.

Method used

Adopting a three-dimensional filling area structure, the middle layer and the inner layer are separated into a grid-shaped three-dimensional filling cavity through horizontal and vertical quilting lines to form a cube-shaped filling area. Combined with conventional filling areas, the distribution of down is optimized. and clothing design.

Benefits of technology

It improves warm performance and wear experience, reduces the risk of air leakage, reduces the feeling of wearing burden, and ensures flexibility in activities, while improving the appearance of the clothing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a down jacket. The down jacket comprises a three-dimensional down filling area. The three-dimensional down filling area comprises a first middle layer, a first inner layer and a first down layer, the space between the first middle layer and the first inner layer is constructed to be divided into at least two three-dimensional down filling cavities through quilting lines, and the first down layer is constructed to be located in the three-dimensional down filling cavities; wherein the quilting threads comprise transverse quilting threads and longitudinal quilting threads, and the transverse quilting threads and the longitudinal quilting threads are constructed to divide the first middle layer and / or the first inner layer into a plurality of three-dimensional down filling cavities distributed in a grid shape. According to the down jacket, due to the fact that the transverse quilting lines and the longitudinal quilting lines divide the first middle layer and / or the first inner layer into the multiple three-dimensional down filling cavities distributed in the grid shape, the whole three-dimensional down filling cavities filled with the down are in the cubic shape and can effectively fit the body shape, the appearance is decent, the wearing experience is improved, air leakage can be avoided during wearing, and the wearing comfort is improved. The warm-keeping performance is improved, ready-made clothes are lighter, the wearing burden feeling is reduced, and the movement range of the human body cannot be affected.
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Description

Technical Field

[0001] The present disclosure relates to the field of clothing, and more specifically, to a down jacket. Background Art

[0002] Down jackets are commonly used for keeping warm in winter. They are usually filled with down and tiny feathers. Down and tiny feathers contain a lot of air, which allows a layer of air to form inside the down jacket. The air layer can effectively block the cold air from the outside and help keep the body heat from dissipating, thereby achieving a warming effect.

[0003] Most of the down jackets on the market are filled in a unified way. All parts of the down jacket are filled in the same way, with the same filling material and the same filling coefficient. The common filling structure of down jackets is a four-layer filling structure, namely "face cloth-bladder cloth-bladder cloth-lining cloth". In addition, there are three-layer and two-layer filling structures, and the four-layer structure is the most common. Conventional down jackets are filled in proportion to the size of each part of the down jacket. The filling material of each part of the down jacket is goose down or duck down, and the thickness of the appearance is uniform.

[0004] Since conventional down jackets use goose or duck down with low fluffiness, more down needs to be filled to achieve the required warmth value, and thicker fabrics are needed to achieve the required wind and rain protection. Therefore, the higher the required warmth value and protection of common down jackets, especially down parkas, the thicker the finished garment will be, which will make people feel bloated and burdened. It is not only difficult to fit the human body, but also easy to cause air leakage, and it will also affect the range of human activities, and the appearance is not decent, and the wearing experience is poor. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the present disclosure provides a down jacket.

[0006] According to a first aspect of the present disclosure, there is provided a down jacket comprising a three-dimensional filling area;

[0007] The three-dimensional down filling area includes a first middle layer, a first inner layer and a first down layer, the first middle layer and the first inner layer are structured to be divided into at least two three-dimensional down filling cavities by quilting lines, and the first down layer is structured to be located in the three-dimensional down filling cavity;

[0008] Wherein, the quilting lines include transverse quilting lines and longitudinal quilting lines, and the transverse quilting lines and longitudinal quilting lines are constructed to separate the first middle layer and / or the first inner layer into a plurality of the three-dimensional filling cavities distributed in a grid shape.

[0009] In one embodiment of the present disclosure, the thickness of the three-dimensional filling cavity is constructed to be greater than or equal to 1 cm.

[0010] In one embodiment of the present disclosure, the longitudinal quilting lines are constructed to extend along the height direction of the human body, and each of the longitudinal quilting lines is constructed to be symmetrically distributed along the midline of the back.

[0011] In one embodiment of the present disclosure, the longitudinal quilting lines include at least three, one of which is a central longitudinal quilting line, which is constructed to extend along the midline of the back, and the other longitudinal quilting lines are lateral longitudinal quilting lines, which are constructed to be symmetrically distributed about the central longitudinal quilting line; the lateral longitudinal quilting lines are constructed so that the spacing between adjacent longitudinal quilting lines first decreases and then increases from top to bottom.

[0012] In one embodiment of the present disclosure, the three-dimensional filling area is constructed to be applied to at least one of the left front piece, the right front piece and the back piece of the down jacket.

[0013] In one embodiment of the present disclosure, the three-dimensional filling area includes a main body three-dimensional filling area and a hem three-dimensional filling area, and the longitudinal extension length of the three-dimensional filling cavity of the hem three-dimensional filling area is configured to be smaller than the longitudinal extension length of the three-dimensional filling cavity of the main body three-dimensional filling area;

[0014] The three-dimensional filling area at the hem is constructed to be applied to at least the hem portion of at least one of the left front piece, the right front piece and the back piece; the main three-dimensional filling area is constructed to be applied to at least the portion above the three-dimensional filling area at the hem of at least one of the left front piece, the right front piece and the back piece.

[0015] In one embodiment of the present disclosure, the longitudinal extension length of the filling cavity of the three-dimensional filling area of ​​the hem is 5 cm, and the longitudinal extension length of the filling cavity of the three-dimensional filling area of ​​the main body is 9.5 cm.

[0016] In one embodiment of the present disclosure, a conventional down filling area is included; the conventional down filling area includes a second middle layer, a second inner layer and a second down layer, the second middle layer and the second inner layer are constructed to be divided into at least two conventional down filling cavities distributed in horizontal bands by quilting lines, and the second down layer is constructed to be in the conventional down filling cavity.

[0017] In one embodiment of the present disclosure, the conventional filling area includes a first conventional filling area and a second conventional filling area, and the longitudinal extension length of the conventional filling cavity of the second conventional filling area is configured to be smaller than the longitudinal extension length of the conventional filling cavity of the first conventional filling area;

[0018] The first conventional filling area is configured to be applied to at least one of the left side piece, the right side piece, the cap piece, the collar piece, and the sleeve bottom piece; the second conventional filling area is configured to be applied to at least the sleeve outer piece.

[0019] In one embodiment of the present disclosure, the longitudinal extension length of the conventional down-filling cavity of the first conventional down-filling zone is 4.5 cm; the longitudinal extension length of the conventional down-filling cavity of the second conventional down-filling zone is 8.2 cm.

[0020] The present disclosure provides a down jacket, which includes a three-dimensional down filling area; the three-dimensional down filling area includes a first middle layer, a first inner layer and a first down layer, the first middle layer and the first inner layer are constructed to be divided into at least two three-dimensional down filling cavities by quilting lines, and the first down layer is constructed to be in the three-dimensional down filling cavity; wherein the quilting lines include horizontal quilting lines and vertical quilting lines, and the horizontal quilting lines and the vertical quilting lines are constructed to divide the first middle layer and / or the first inner layer into a plurality of three-dimensional down filling cavities distributed in a grid shape.

[0021] Thus, in the down jacket disclosed in the present invention, since the horizontal quilting lines and the vertical quilting lines divide the first middle layer and / or the first inner layer into a plurality of three-dimensional down filling cavities distributed in a grid shape, the three-dimensional down filling cavities after being filled are in a cubic shape as a whole, which can effectively fit the body shape, not only has a decent appearance and improves the wearing experience, but also can avoid air leakage when wearing, improve the thermal insulation performance, make the garment lighter, reduce the wearing burden, and will not affect the range of human activities. Moreover, the three-dimensional down filling cavities are distributed in a grid shape, which can effectively ensure that the down of the first down layer is evenly distributed in the three-dimensional down filling cavity, thereby ensuring that the thermal insulation performance of each three-dimensional down filling area is relatively good.

[0022] Other features and advantages of the present disclosure will become apparent from the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0024] Figure 1 is a schematic diagram of the interior of a down jacket provided by an embodiment of the present disclosure;

[0025] Figure 2 It is a cross-sectional schematic diagram of the three-dimensional filling area provided in an embodiment of the present disclosure.

[0026] Figure 1 to Figure 2 The corresponding relationship between the component names and reference numerals is as follows:

[0027] 10. Three-dimensional down filling area; 11. First middle layer; 12. First inner layer; 13. First down layer; 14. Main body three-dimensional down filling area; 15. Hem three-dimensional down filling area; 20. Conventional down filling area. DETAILED DESCRIPTION

[0028] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that unless specifically stated otherwise, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present disclosure. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values.

[0029] Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure. However, the present disclosure can be implemented in many other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present disclosure, so the present disclosure is not limited to the specific implementation disclosed below. Techniques, methods, and devices known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the techniques, methods, and devices should be considered as part of the specification.

[0030] The terms used in one or more embodiments of the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit one or more embodiments of the present disclosure. The singular forms of "a", "said" and "the" used in one or more embodiments of the present disclosure and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in one or more embodiments of the present disclosure refers to and includes any or all possible combinations of one or more associated listed items.

[0031] It should be understood that, although the terms first, second, etc. may be used to describe various information in one or more embodiments of the present disclosure, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of one or more embodiments of the present disclosure, the first may also be referred to as the second, and similarly, the second may also be referred to as the first. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determination". In this article, "upper", "lower", "front", "back", "left", "right", etc. are only used to indicate the relative position relationship between the relevant parts, rather than to limit the absolute position of these relevant parts. In this article, "equal", "same", etc. are not strictly mathematical and / or geometrical limitations, but also include errors that can be understood by those skilled in the art and allowed by manufacturing or use. Unless otherwise specified, the numerical range herein includes not only the entire range within its two endpoints, but also includes several sub-ranges contained therein.

[0032] The present disclosure provides a down jacket, which includes a three-dimensional down filling area; the three-dimensional down filling area includes a first middle layer, a first inner layer and a first down layer, the first middle layer and the first inner layer are constructed to be divided into at least two three-dimensional down filling cavities by quilting lines, and the first down layer is constructed to be in the three-dimensional down filling cavity; wherein the quilting lines include horizontal quilting lines and vertical quilting lines, and the horizontal quilting lines and the vertical quilting lines are constructed to divide the first middle layer and / or the first inner layer into a plurality of three-dimensional down filling cavities distributed in a grid shape.

[0033] Thus, in the down jacket disclosed in the present invention, since the horizontal quilting lines and the vertical quilting lines divide the first middle layer and / or the first inner layer into a plurality of three-dimensional down filling cavities distributed in a grid shape, the three-dimensional down filling cavities after being filled are in a cubic shape as a whole, which can effectively fit the body shape, not only has a decent appearance and improves the wearing experience, but also can avoid air leakage when wearing, improve the thermal insulation performance, make the garment lighter, reduce the wearing burden, and will not affect the range of human activities. Moreover, the three-dimensional down filling cavities are distributed in a grid shape, which can effectively ensure that the down of the first down layer is evenly distributed in the three-dimensional down filling cavity, thereby ensuring that the thermal insulation performance of each three-dimensional down filling area is relatively good.

[0034] For ease of understanding, refer to Figure 1 to Figure 2 , the specific structure and working principle of the down jacket disclosed in the present invention are explained in detail in combination with an embodiment.

[0035] like Figure 1 and Figure 2 As shown, the present disclosure provides a down jacket, which includes a three-dimensional filling area 10; the three-dimensional filling area 10 includes a first middle layer 11, a first inner layer 12 and a first down layer 13, the first middle layer 11 and the first inner layer 12 are constructed to be divided into at least two three-dimensional filling cavities by quilting lines, and the first down layer 13 is constructed to be in the three-dimensional filling cavity; wherein the quilting lines include horizontal quilting lines and vertical quilting lines, and the horizontal quilting lines and the vertical quilting lines are constructed to divide the first middle layer 11 and / or the first inner layer 12 into a plurality of three-dimensional filling cavities distributed in a grid shape.

[0036] Thus, in the down jacket disclosed in the present invention, since the horizontal quilting lines and the vertical quilting lines divide the first middle layer 11 and / or the first inner layer 12 into a plurality of three-dimensional down filling cavities distributed in a grid shape, the three-dimensional down filling cavities after being filled are in a cubic shape as a whole, which can effectively fit the body shape, not only with a decent appearance and improved wearing experience, but also to avoid air leakage when worn, improve the thermal insulation performance, make the finished garment lighter, reduce the burden of wearing, and will not affect the range of human activities. Moreover, each three-dimensional down filling cavity is distributed in a grid shape, which can effectively ensure that the down of the first down layer 13 is evenly distributed in the three-dimensional down filling cavity, thereby ensuring that the thermal insulation performance of each part of the three-dimensional down filling area 10 is relatively good.

[0037] Specifically, in one embodiment of the present disclosure, the first middle layer 11 may be a cube-shaped protrusion, and the first inner layer 12 may be a plane, so that the first middle layer 11 and the first inner layer 12 together form a plurality of three-dimensional filling cavities distributed in a grid shape.

[0038] like Figure 2 As shown, in another embodiment of the present disclosure, the first inner layer 12 may be convex in a cubic shape, and the first middle layer 11 may be planar, so that the first middle layer 11 and the first inner layer 12 may together form a plurality of three-dimensional down-filled cavities distributed in a grid shape. In another embodiment of the present disclosure, the first inner layer 12 and the first middle layer 11 may be convex in a cubic shape at the same time, so that the first middle layer 11 and the first inner layer 12 may together form a plurality of three-dimensional down-filled cavities distributed in a grid shape. The principle is similar and is not limited here.

[0039] Specifically, in one embodiment of the present disclosure, the thickness of the three-dimensional filling cavity is configured to be greater than or equal to 1 cm. When the thickness of the three-dimensional filling cavity is configured to be greater than 1 cm, effective warmth preservation can be achieved. According to the test results, in the down jacket of the present disclosure, according to the flat plate method in the thermal transfer performance test method of textiles in the GB / T35762-2017 standard, the thermal resistance test result of the three-dimensional filling area 10 is 0.499 (K·m 2 / W), the conventional filling method is 0.385 (K·m 2 / W), by comparison, the thermal insulation performance of the three-dimensional filling area 10 is improved by 29.6%. It can be seen that the three-dimensional filling area 10 structure disclosed in the present invention can effectively improve the thermal insulation performance.

[0040] In one embodiment of the present disclosure, the longitudinal quilting lines are configured to extend in the direction of the height of the human body, and each longitudinal quilting line is configured to be symmetrically distributed along the midline of the back. Since the longitudinal quilting lines are configured to extend in the direction of the height of the human body, and each longitudinal quilting line is symmetrically distributed along the midline of the back, the three-dimensional filling area 10 of the down jacket of the present disclosure can be easily fitted to the human body, avoiding air leakage when the user wears it.

[0041] like Figure 1 As shown, in another embodiment of the present disclosure, the longitudinal quilting lines include at least three, one of which is a central longitudinal quilting line, which is configured to extend along the midline of the back, and the other longitudinal quilting lines are lateral longitudinal quilting lines, which are configured to be symmetrically distributed about the central longitudinal quilting line; the lateral longitudinal quilting lines are configured such that the spacing between the lateral longitudinal quilting lines decreases first and then increases from top to bottom. In this way, the size of each three-dimensional filling cavity of the present disclosure can be ensured to be relatively appropriate, so that the three-dimensional filling area 10 of the down jacket of the present disclosure can better fit the human body and avoid air leakage when the user wears it.

[0042] like Figure 1As shown, in one embodiment of the present disclosure, the three-dimensional filling area 10 is constructed to be applied to at least one of the front left piece, the front right piece and the back piece of the down jacket. It can be understood that when the front left piece, the front right piece and the back piece of the down jacket of the present disclosure use the three-dimensional filling area 10 structure of the present disclosure, the down jacket of the present disclosure can effectively fit the body shape of the human body, the appearance is more decent, and it can also effectively avoid air leakage when wearing, thereby improving the warmth retention performance.

[0043] Specifically, in one embodiment of the present disclosure, the three-dimensional filling area 10 includes a main body three-dimensional filling area 14 and a hem three-dimensional filling area 15, and the longitudinal extension length of the three-dimensional filling cavity of the hem three-dimensional filling area 15 is constructed to be smaller than the longitudinal extension length of the three-dimensional filling cavity of the main body three-dimensional filling area 14; the hem three-dimensional filling area 15 is constructed to be applied to at least the hem portion of at least one of the left front piece, the right front piece and the back piece; the main body three-dimensional filling area 14 is constructed to be applied to at least the portion above the hem three-dimensional filling area 15 of at least one of the left front piece, the right front piece and the back piece.

[0044] Since the longitudinal extension length of the three-dimensional filling cavity of the hem three-dimensional filling area 15 is smaller than the longitudinal extension length of the three-dimensional filling cavity of the main body three-dimensional filling area 14, the flexibility of the three-dimensional filling area 15 can be effectively improved, making it convenient for users to walk normally when wearing the down jacket of the present invention without hindering the user's leg movements.

[0045] In one embodiment of the present disclosure, the longitudinal extension length of the filling cavity of the hem three-dimensional filling area 15 is 5 cm, and the longitudinal extension length of the filling cavity of the main body three-dimensional filling area 14 is 9.5 cm. Since the longitudinal extension length of the filling cavity of the hem three-dimensional filling area 15 is 5 cm, and the longitudinal extension length of the filling cavity of the main body three-dimensional filling area 14 is 9.5 cm, the warmth retention performance of the main body three-dimensional filling area 14 can be effectively guaranteed, and at the same time, the balance between warmth retention performance and mobility flexibility can be achieved in the hem three-dimensional filling area 15.

[0046] In one embodiment of the present disclosure, the down jacket of the present disclosure includes a conventional filling area 20; the conventional filling area 20 includes a second middle layer, a second inner layer and a second down layer, and the second middle layer and the second inner layer are constructed to be divided into at least two multiple conventional filling cavities distributed in horizontal bands by quilting lines, and the second down layer is constructed to be in the conventional filling cavity.

[0047] In this way, the down jacket of the present invention adopts a structure in which a three-dimensional filling area 10 and a conventional filling area 20 are spliced ​​with each other. The three-dimensional filling area 10 is mainly used in the torso area, while the conventional filling area 20 can be used in other areas. The parts using the conventional filling area 20 are more flexible, thereby improving the user's wearing experience.

[0048] like Figure 1 As shown, in one embodiment of the present disclosure, the conventional filling area 20 includes a first conventional filling area and a second conventional filling area, and the longitudinal extension length of the conventional filling cavity of the second conventional filling area is constructed to be smaller than the longitudinal extension length of the conventional filling cavity of the first conventional filling area; the first conventional filling area is constructed to be applied to at least one of the left side piece, the right side piece, the cap piece, the collar piece, and the sleeve bottom piece; the second conventional filling area is constructed to be applied to at least the sleeve outer piece.

[0049] Since the first conventional filling area is applied to at least one of the left side piece, the right side piece, the cap piece, the collar piece, and the sleeve bottom piece, and the second conventional filling area is applied to at least the sleeve outer piece, the longitudinal extension length of the conventional filling cavity of the second conventional filling area is smaller than the longitudinal extension length of the conventional filling cavity of the first conventional filling area, the thermal insulation performance of the sleeve outer piece can be effectively improved; since the outer side of the human sleeve has a larger contact area with the outside world, the outer side of the human sleeve can be effectively prevented from catching cold, thereby improving the thermal insulation performance of the down jacket disclosed in the present invention.

[0050] In one embodiment of the present disclosure, the longitudinal extension length of the conventional filling cavity of the first conventional filling area is 4.5 cm; the longitudinal extension length of the conventional filling cavity of the second conventional filling area is 8.2 cm. In this way, the warmth retention performance of the second conventional filling area can be effectively guaranteed, while the balance between warmth retention performance and mobility in the first conventional filling area can be achieved.

[0051] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the marketplace, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the present disclosure is defined by the appended claims.

Claims

1. A down jacket, characterized in that: including a three-dimensional filling area (10); The three-dimensional down filling area (10) comprises a first middle layer (11), a first inner layer (12) and a first down layer (13); the first middle layer (11) and the first inner layer (12) are structured to be divided into at least two three-dimensional down filling cavities by quilting lines; and the first down layer (13) is structured to be located in the three-dimensional down filling cavity; The quilting lines include transverse quilting lines and longitudinal quilting lines, and the transverse quilting lines and longitudinal quilting lines are configured to separate the first middle layer (11) and / or the first inner layer (12) into a plurality of three-dimensional down-filled cavities distributed in a grid shape.

2. The down jacket according to claim 1, characterized in that: The thickness of the three-dimensional filling cavity is configured to be greater than or equal to 1 cm.

3. The down jacket according to claim 1, characterized in that: The longitudinal quilting lines are constructed to extend along the height direction of the human body, and each of the longitudinal quilting lines is constructed to be symmetrically distributed along the midline of the back.

4. The down jacket according to claim 3, characterized in that: The longitudinal quilting lines include at least three, one of which is a central longitudinal quilting line, which is constructed to extend along the midline of the back, and the other longitudinal quilting lines are lateral longitudinal quilting lines, which are constructed to be symmetrically distributed about the central longitudinal quilting line; the lateral longitudinal quilting lines are constructed so that the spacing between adjacent longitudinal quilting lines first decreases and then increases from top to bottom.

5. The down jacket according to any one of claims 1 to 4, characterized in that: The three-dimensional filling area (10) is constructed to be applied to at least one of the left front piece, the right front piece and the back piece of the down jacket.

6. The down jacket according to claim 5, characterized in that: The three-dimensional down filling area (10) comprises a main body three-dimensional down filling area (14) and a hem three-dimensional down filling area (15); the longitudinal extension length of the three-dimensional down filling cavity of the hem three-dimensional down filling area (15) is configured to be smaller than the longitudinal extension length of the three-dimensional down filling cavity of the main body three-dimensional down filling area (14); The three-dimensional filling area (15) at the hem is constructed to be applied to at least the hem portion of at least one of the left front piece, the right front piece and the back piece; the three-dimensional filling area (14) at the main body is constructed to be applied to at least the portion above the three-dimensional filling area (15) at the hem of at least one of the left front piece, the right front piece and the back piece.

7. The down jacket according to claim 6, characterized in that: The longitudinal extension length of the filling cavity of the hem three-dimensional filling area (15) is 5 cm, and the longitudinal extension length of the filling cavity of the main body three-dimensional filling area (14) is 9.5 cm.

8. The down jacket according to any one of claims 1 to 4, characterized in that: The invention comprises a conventional down filling area (20); the conventional down filling area (20) comprises a second middle layer, a second inner layer and a second down layer; the second middle layer and the second inner layer are structured to be divided into at least two conventional down filling cavities distributed in horizontal bands by quilting lines; the second down layer is structured to be located in the conventional down filling cavity.

9. The down jacket according to claim 8, characterized in that: The conventional down filling area (20) comprises a first conventional down filling area and a second conventional down filling area, wherein the longitudinal extension length of the conventional down filling cavity of the second conventional down filling area is configured to be smaller than the longitudinal extension length of the conventional down filling cavity of the first conventional down filling area; The first conventional filling area is configured to be applied to at least one of the left side piece, the right side piece, the cap piece, the collar piece, and the sleeve bottom piece; the second conventional filling area is configured to be applied to at least the sleeve outer piece.

10. The down jacket according to claim 9, characterized in that: The longitudinal extension length of the conventional down-filling cavity of the first conventional down-filling zone is 4.5 cm; the longitudinal extension length of the conventional down-filling cavity of the second conventional down-filling zone is 8.2 cm.

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