Partitioned composite quilt core
The comforter core, with its partitioned composite structure design, solves the problem that traditional comforters cannot accommodate the temperature difference between the upper and lower body. It achieves a lightweight upper body and enhanced warmth for the lower body, thus improving the comforter core's comfort and warmth performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOLAI LIFESTYLE TECH CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional comforters cannot be designed to accommodate the temperature differences between the upper and lower body, making it impossible to balance the need for lightweight upper body comfort with enhanced warmth for lower body comfort.
It adopts a partitioned composite structure design, with a single layer of filling material in the upper half and a double layer of filling material in the lower half. The upper half of the lining is a single layer of fabric, and the lower half is a double layer of fabric. Seamless splicing technology is used to improve the connection strength, and temperature and humidity regulation is achieved by combining heat-generating fabrics and moisture-wicking fabrics.
It achieves differentiated warmth for different parts of the body, improves local thermal comfort, avoids stuffiness or uneven coldness, and ensures the comfort and warmth performance of the comforter.
Smart Images

Figure CN224461422U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of home furnishing technology, and in particular to a partitioned composite comforter core. Background Technology
[0002] As people's living standards improve, their demands for the comfort and functionality of bedding are also increasing. As a crucial component of bedding, the comforter's warmth, comfort, and functionality directly impact sleep quality. Currently, the market offers a wide variety of comforter products, but most employ a single structural design, making it difficult to meet the diverse temperature regulation needs of different parts of the body.
[0003] Traditional comforter fillings typically employ a homogeneous, monolithic structure. For example, existing technology discloses a borderless, down-like fiber comforter and its filling. This comforter includes an upper fabric layer and a composite layer. One end of the composite layer is folded back and connected to the upper fabric layer to form the comforter body. The composite layer comprises a middle lining layer, a wadding layer, and a lower fabric layer, stacked and fixed together from the inside out. The comforter body's cavity is filled with loose filling material. While this structure offers some warmth, it cannot be differentiated to meet the varying temperature needs of the upper and lower body.
[0004] Regarding the filling, existing technology discloses a composite quilt core, including a first fabric and a second fabric. The quilt body has a layered structure, comprising a first layer and a second layer with filling cavities. The first layer is filled with a first filling material, and the second layer is filled with a second filling material. Although this technical solution adopts a partitioned three-dimensional structure, it still does not specifically address the temperature difference between the upper and lower body of the human body.
[0005] Therefore, there is an urgent need to develop a comforter product that adopts a partitioned composite structure design to meet the temperature needs of different parts of the human body. Utility Model Content
[0006] This application provides a partitioned composite comforter core that meets differentiated sleep needs through partitioned temperature control, thereby solving the technical problem that traditional comforter cores with a single filling structure cannot simultaneously meet the needs of lightweight upper body and enhanced warmth for lower body.
[0007] This application provides a partitioned composite comforter core, comprising a filling layer and a comforter cover for wrapping the filling layer, the comforter cover comprising a face fabric and a lining fabric;
[0008] The upper half of the filling layer is a single layer of filling material, and the lower half of the filling layer is a double layer of filling material. The double layer of filling material includes an upper layer and a lower layer. The upper layer is a flake-type filling material, and the lower layer is a loose filling material.
[0009] The fabric is a single-layer fabric structure;
[0010] The upper half of the lining fabric is a single-layer fabric structure, and the lower half of the lining fabric is a double-layer fabric structure, which includes an inner layer and an outer layer, and the outer layer is made of a heat-generating functional fabric.
[0011] The upper half of the filling layer corresponds to the upper half of the lining fabric, and the lower half of the filling layer corresponds to the lower half of the lining fabric.
[0012] In one embodiment of this application, the single-layer filler is a mixed flocculent.
[0013] In one embodiment of this application, the upper filler is PCM flakes.
[0014] In one embodiment of this application, the lower layer filling material includes heat-generating fibers, down, silk, and / or wool.
[0015] In one embodiment of this application, the thickness of the upper layer and the lower layer in the double-layer filler is 55%~65% and 35%~45%, respectively.
[0016] In one embodiment of this application, the inner layer material of the lower half of the lining is a moisture-wicking fabric.
[0017] In one embodiment of this application, the double-layer fabric structure is a woven or knitted integrated double layer, or an adhesive, hot-pressed or ultrasonically composite double layer, or a non-woven double layer, or a filled sandwich double layer.
[0018] In one embodiment of this application, the upper and lower halves of the lining fabric are seamlessly joined.
[0019] In one embodiment of this application, the upper and lower halves of the lining fabric are seamlessly joined together by a pressure strip.
[0020] In one embodiment of this application, the filling amount of the upper half of the filling layer is 200-300 grams per square meter, and the filling amounts of the upper and lower layers of the lower half of the filling layer are 200-300 grams per square meter and 70-150 grams per square meter, respectively.
[0021] In one embodiment of this application, the area ratio of the upper half to the lower half of the filler layer is 1:1 to 9:5.
[0022] The beneficial effects of this application are:
[0023] 1. By dividing the filling layer into a single-layer upper section and a double-layer lower section, this invention achieves zoned temperature control, meeting the differentiated needs of lightweight upper body and enhanced warmth for lower body. It solves the problem that traditional single-filling comforters cannot simultaneously address the warmth requirements of different body parts. Compared to traditional single-structure comforters, this invention provides differentiated solutions for the warmth needs of different parts of the body.
[0024] 2. The synergistic effect of the double-layer fabric and double-layer filling in the lower half enables precise regulation of local temperature and humidity, avoiding problems such as stuffiness or uneven cooling. The combination of the outer heat-generating fabric and the inner moisture-wicking fabric forms a temperature and humidity regulation system, improving local thermal comfort.
[0025] 3. The lower half of the filling adopts a structure that combines an upper layer of PCM wadding with a lower layer of loose filling, which allows the outer functional fabric of the lower half to lock in heat, and the inner functional fibers to dynamically regulate the microenvironment, further improving local thermal comfort.
[0026] 4. By using a seamless seam tape technique between the upper and lower sections of the lining, the strength and durability of the lining connection are improved, seam friction is avoided, and the defect of conventional fabric splicing that is prone to cracking is overcome. This connection method is inspired by the patch technology of waterproof jackets, giving the joint higher strength and waterproof performance.
[0027] 5. By rationally designing the filling amount and area ratio of the upper and lower sections, the overall weight distribution of the comforter is made more reasonable, taking into account both the need for lightweight upper body and enhanced warmth for lower body, thus improving comfort while ensuring sufficient warmth. Attached Figure Description
[0028] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. It is obvious that the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any inventive effort.
[0029] In the attached diagram:
[0030] Figure 1 A longitudinal sectional view of a partitioned composite comforter provided in an embodiment of this application;
[0031] Figure 2 This is a schematic diagram of the outer (left) and inner (right) of a partitioned composite comforter core provided in one embodiment of this application.
[0032] The attached figures are labeled as follows:
[0033] Filling layer 100, upper half of filling layer 110, lower half of filling layer 120, upper layer 121, lower layer 122, outer fabric 200, lining fabric 300, upper half of lining fabric 310, lower half of lining fabric 320, inner layer 321, outer layer 322. Detailed Implementation
[0034] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0035] In this application, unless otherwise stated, the term "multiple" means two or more.
[0036] The character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.
[0037] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.
[0038] It should be noted that the illustrations provided in the following embodiments are merely schematic representations of the basic concept of this application. The drawings only show components relevant to this application and are not drawn according to the actual number, shape, and size of components in implementation. In actual implementation, the form, quantity, and proportion of each component can be arbitrarily changed, and the component layout may also be more complex. The structures, proportions, sizes, etc., shown in the accompanying drawings are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention. At the same time, the terms such as "upper," "lower," "left," "right," "middle," and "one" used in this specification are only for clarity of description and are not intended to limit the scope of the present invention. Changes or adjustments in their relative relationships, without substantially altering the technical content, should also be considered within the scope of the present invention.
[0039] Please see Figure 1 , Figure 1 This application provides a partitioned composite comforter core as an embodiment of the present application.
[0040] like Figure 1 As shown, the partitioned composite comforter provided in this application embodiment includes a filling layer 100 and a comforter cover for wrapping the filling layer 100. The comforter cover includes a face fabric 200 and a lining fabric 300.
[0041] The upper half 110 of the filling layer 100 is a single-layer filling, while the lower half 120 is a double-layer filling. The double-layer filling consists of an upper layer 121 and a lower layer 122. The upper layer 121 is a wadding-type filling, and the lower layer 122 is a loose-fill filling. The single-layer filling is a mixed wadding, composed of various materials such as down, synthetic fibers, silk, and wool, which are lightweight and offer good warmth and breathability. The upper layer 121 is filled with PCM wadding, which stands for phase change material. PCM absorbs or releases heat when the temperature changes, effectively regulating the temperature of the sleeping environment. The filling material of the lower layer 122 includes heat-generating fibers, down, silk and / or wool, etc. The heat-generating fibers include, but are not limited to, far-infrared heat-generating fibers and moisture-absorbing heat-generating fibers. These materials have excellent heat retention properties. For example, far-infrared heat-generating fibers can reflect human body heat; when moisture-absorbing heat-generating fibers absorb moisture, fiber molecules and water molecules attract each other and combine, and the kinetic energy of water molecules is reduced and converted into heat (energy) and released; down has the characteristics of being light and fluffy, while silk and wool have good moisture absorption and breathability.
[0042] In the double-layer filling, the thickness ratios of the upper layer 121 and the lower layer 122 are 55%~65% and 35%~45%, respectively, for example, 60% and 40%, or 65% and 35%, or 55% and 45%. This thickness ratio design makes the upper layer thicker than the lower layer, which can ensure the overall temperature of the person and thus avoid reducing the insulation effect due to the head being light and the feet being heavy.
[0043] The 200-layer fabric is a single-layer structure, such as using pure cotton fabric, especially high-count, high-density pure cotton fabric, which is light and soft to the touch, breathable, and can effectively prevent the filling from being exposed.
[0044] The upper half (310) of the lining fabric 300 has a single-layer fabric structure, while the lower half (320) has a double-layer fabric structure. The double-layer fabric structure includes an inner layer (321) and an outer layer (322). The outer layer (322) is made of a heat-generating fabric, such as aluminum foil-coated polyester, which provides extra heat in low-temperature environments, enhancing the warmth of the comforter. The inner layer (321) of the lower half (320) of the lining fabric 300 is made of a moisture-wicking fabric, such as Coolmax, which effectively absorbs sweat produced during sleep, keeping the sleeping environment dry and comfortable. The double-layer fabric structure can take many forms, including but not limited to woven / knitted integrated double-layer, adhesive / heat-pressed / ultrasonic composite double-layer, non-woven double-layer, and filled sandwich double-layer, etc. Woven integrated double-layer fabric is preferred.
[0045] The upper half 110 of the filling layer 100 corresponds to the upper half 310 of the lining 300, and the lower half 120 of the filling layer 100 corresponds to the lower half 320 of the lining 300. This corresponding design allows the upper and lower half of the comforter to meet the different warmth needs of the upper and lower body, respectively.
[0046] The upper half (310) and lower half (320) of the lining fabric 300 are seamlessly joined together using a seam sealing strip. This seam sealing strip uses a hot melt adhesive material, such as TPU hot melt adhesive film, which melts at high temperatures and presses against the seam, firmly bonding the two fabric pieces together to create a smooth, flat joint. This avoids the discomfort that can occur with traditional sewing methods and also achieves a waterproof seal and a high-strength bond between the fabrics.
[0047] The upper half 110 of the filling layer 100 has a filling amount of 200-300 grams per square meter, for example, 200, 250, or 300 grams per square meter; the upper half 121 of the lower half 120 of the filling layer 100 has a filling amount of 200-300 grams per square meter, for example, 200, 250, or 300 grams per square meter; and the lower half 122 of the lower half 120 of the filling layer 100 has a filling amount of 70-150 grams per square meter, for example, 100, 120, or 150 grams per square meter. The lower filling amount in the upper half ensures the upper part of the comforter is lightweight and breathable, suitable for the heat dissipation needs of the upper body; the higher filling amount in the lower half provides better warmth, meeting the warmth needs of the lower body.
[0048] The area ratio of the upper half 110 to the lower half 120 of the filling layer 100 is 1:1 to 9:5, for example, 1:1, 3:2, 14:9, 27:16, etc. This area ratio design conforms to the actual space occupied by the human body on the bed, with the upper half covering the area above the chest and the lower half covering the area below the abdomen, allowing the duvet to better conform to the human body and provide all-round warmth.
[0049] This embodiment of the partitioned composite comforter achieves differentiated warmth for different parts of the body through different structural designs in the upper and lower sections. The upper section uses a single-layer filling and a single-layer lining to ensure lightness and breathability; the lower section uses a double-layer filling and a double-layer lining to provide stronger warmth. At the same time, the reasonable combination of different materials achieves an organic integration of multiple functions such as warmth retention, temperature regulation, and moisture wicking, greatly improving the comfort and practicality of the comforter.
[0050] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this application. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this application should still be covered by the claims of this application.
Claims
1. A partitioned composite comforter core, characterized in that, It includes a filling layer and a duvet cover for wrapping the filling layer, the duvet cover including a face fabric and a lining fabric; The upper half of the filling layer is a single layer of filling material, and the lower half of the filling layer is a double layer of filling material. The double layer of filling material includes an upper layer and a lower layer. The upper layer is a flake-type filling material, and the lower layer is a loose filling material. The fabric is a single-layer fabric structure; The upper half of the lining fabric is a single-layer fabric structure, and the lower half of the lining fabric is a double-layer fabric structure, which includes an inner layer and an outer layer, and the outer layer is made of a heat-generating functional fabric. The upper half of the filling layer corresponds to the upper half of the lining fabric, and the lower half of the filling layer corresponds to the lower half of the lining fabric.
2. The partitioned composite comforter core according to claim 1, characterized in that: The single-layer filler is a mixed flocculent.
3. The partitioned composite comforter core according to claim 1, characterized in that: The upper layer is filled with PCM flakes.
4. The partitioned composite comforter core according to claim 1, characterized in that: The lower layer filling includes heat-generating fibers, down, silk, and / or wool.
5. The partitioned composite comforter core according to any one of claims 1 to 4, characterized in that: In the double-layer filler, the thickness ratios of the upper layer and the lower layer are 55%~65% and 35%~45%, respectively.
6. The partitioned composite comforter core according to claim 1, characterized in that: The inner layer of the lower half of the lining is made of moisture-wicking fabric. And / or, the double-layer fabric structure is a woven or knitted integrated double layer, or an adhesive, hot-pressed or ultrasonic composite double layer, or a non-woven double layer, or a filled sandwich double layer.
7. The partitioned composite comforter core according to claim 1 or 6, characterized in that: The upper and lower halves of the lining are seamlessly joined.
8. The partitioned composite comforter core according to claim 7, characterized in that: The upper and lower halves of the lining fabric are seamlessly joined together by a pressure strip.
9. The partitioned composite comforter core according to claim 1, characterized in that: The filling amount of the upper half of the filling layer is 200~300 grams / square meter, and the filling amounts of the upper and lower layers of the lower half of the filling layer are 200~300 grams / square meter and 70~150 grams / square meter, respectively.
10. The partitioned composite comforter core according to claim 1 or 9, characterized in that: The area ratio of the upper half to the lower half of the filling layer is 1:1 to 9:5.