Double-layer pleated blind
By using a double-layer pleated curtain design and hot-pressing process, the shortcomings of single-layer pleated curtains and honeycomb curtains are solved, achieving better heat insulation, sound insulation and environmental protection performance, and improving the durability and light-blocking effect of the curtains.
Patent Information
- Application Number
- CN202422656995.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-10-31
AI Technical Summary
Existing single-layer pleated blinds are inadequate in terms of light blocking, heat insulation, privacy protection, and environmental friendliness. Furthermore, the adhesive bonding method used for honeycomb blinds poses problems such as the release of harmful substances and structural instability.
The double-layered pleated curtain design uses a symmetrical first and second layer of pleats, with a hot-pressing process to form a folded connecting edge, creating a quadrilateral cavity structure. This avoids the need for glue bonding, increases heat insulation and sound insulation, and uses reflective fabrics or coatings to improve light-blocking performance.
It achieves better heat insulation and sound insulation, improves the tensile strength and environmental friendliness of the curtains, reduces the release of harmful substances, extends service life, and reduces maintenance costs.
Smart Images
Figure CN223676138U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The embodiments of the present application relate to a window curtain, in particular to a double-layer pleated window curtain. BACKGROUND
[0002] The single-layer pleated curtain in the prior art has a single-layer structure and performs poorly in terms of light blocking, especially during the day when the sunlight is strong, and cannot completely block the light from entering the room. Meanwhile, the single-layer pleated curtain has poor heat preservation performance in winter and cannot effectively prevent heat loss. The single-layer pleated curtain performs poorly in terms of privacy protection, especially at night or in dim light.
[0003] The honeycomb curtain with a hexagonal cross section has an air flow cavity in structure and has excellent heat insulation and sound insulation effects, but the layers of the honeycomb curtain in the prior art are pasted by glue, and the glue releases harmful substances such as aldehydes and phenols, which have a negative impact on indoor air quality and may cause respiratory discomfort, allergic reactions and other health problems. In addition, the connection mode of the glue pasting may age and become brittle in long-term use, resulting in unstable structure of the honeycomb curtain. CONTENT OF THE UTILITY MODEL
[0004] The embodiments of the present application disclose a double-layer pleated window curtain, which realizes sound insulation, heat insulation and warmth preservation, does not need to be bonded by glue when connected, is more environmentally friendly, and has better tensile resistance than the honeycomb curtain.
[0005] The embodiments of the present application provide a double-layer pleated window curtain, which comprises a first layer of pleated curtain and a second layer of pleated curtain arranged symmetrically; the first layer of pleated curtain and the second layer of pleated curtain each have a plurality of folding surfaces, and each of two adjacent folding surfaces of the first layer of pleated curtain or two adjacent folding surfaces of the second layer of pleated curtain has a folding line; the corresponding folding lines of the first layer of pleated curtain and the second layer of pleated curtain in the same plane form a group; the first layer of pleated curtain and the second layer of pleated curtain are fixedly connected at one group of folding lines and adjacent to another group of folding lines, so that the first layer of pleated curtain and the second layer of pleated curtain form a plurality of cavity structures with a quadrilateral cross section.
[0006] In some embodiments, the group of folding lines fixedly connected is connected by a hot pressing process to form a folding connection edge.
[0007] In some embodiments, the two adjacent folding surfaces of the first layer of pleated curtain comprise a first outward folding surface and a first inward folding surface; and the two adjacent folding surfaces of the second layer of pleated curtain comprise a second outward folding surface and a second inward folding surface.
[0008] In some embodiments, the plurality of folded surfaces of the first layer of the folding curtain are arranged alternately from top to bottom by the first outward folded surface and the first inward folded surface; and the plurality of folded surfaces of the second layer of the folding curtain are arranged alternately from top to bottom by the second outward folded surface and the second inward folded surface.
[0009] In some embodiments, the first layer of the folding curtain is provided with a first folded expansion edge by the spaced folding lines; and the second layer of the folding curtain is provided with a second folded expansion edge by the spaced folding lines.
[0010] In some embodiments, the fabric of the first layer of the folding curtain or the second layer of the folding curtain close to the window side is provided with a reflective fabric or a reflective coating on the surface thereof.
[0011] In some embodiments, the first layer of the folding curtain and the second layer of the folding curtain are the same fabric.
[0012] In some embodiments, the first layer of the folding curtain and the second layer of the folding curtain are different fabrics.
[0013] It can be analyzed that the double-layer folding curtain has the following technical effects:
[0014] The symmetrical arrangement of the first layer of the folding curtain and the second layer of the folding curtain and the multi-layer structure provide better heat and sound insulation effects, because the plurality of folded surfaces and the folding lines of each layer of the folding curtain form a plurality of cavity structures with a rhombus cross section, which can effectively block the transmission of heat and sound, thereby improving the heat and sound insulation performance of the curtain, making the indoor environment more comfortable, and reducing energy consumption. The first layer of the folding curtain and the second layer of the folding curtain are connected by a hot pressing process at the folding lines to form a folded connection edge. This connection method makes the double-layer folding curtain have better tensile performance than the traditional glue paste, is more environmentally friendly, does not release harmful substances, and is more firmly connected. Thus, the durability and environmental performance of the curtain are improved, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings accompanying the specification of this application are used to provide a further understanding of the application, the illustrative embodiments of the application and the explanations thereof serve to explain the application, and do not constitute an improper limitation on the application. Among them:
[0016] Figure 1 It is a structure schematic view of the double-layer folding curtain in the embodiments of the application;
[0017] Figure 2 It is a curtain body unfolding schematic view and a cross-sectional schematic view of the double-layer folding curtain in the embodiments of the application;
[0018] Figure 3 It is a curtain body folding and shrinking schematic view and a cross-sectional schematic view of the double-layer folding curtain in the embodiments of the application;
[0019] Figure 4 Unfolded and cross-sectional view of the curtain body of the single-layer pleated curtain in the comparative example of the present application;
[0020] Figure 5 Unfolded and cross-sectional view of the curtain body of the honeycomb curtain in the comparative example of the present application.
[0021] BRIEF DESCRIPTION OF DRAWINGS
[0022] 100 - double-layer pleated window curtain; 200 - pleated curtain; 300 - honeycomb curtain;
[0023] 1 - first layer of pleated curtain;
[0024] 10 - folding surface; 11 - first inward folding surface; 12 - second outward folding surface;
[0025] 2 - second layer of pleated curtain;
[0026] 20 - folding surface; 21 - second inward folding surface; 22 - second outward folding surface;
[0027] 3 - folding connecting edge;
[0028] 4 - folding expanding edge; 41 - first folding expanding edge; 42 - second folding expanding edge;
[0029] 5 - cavity. DETAILED DESCRIPTION
[0030] The present application will be described in detail below with reference to the attached drawings and embodiments. Various examples are provided by way of explanation of the present application and are not intended to limit the present application. In fact, those skilled in the art will appreciate that modifications and variations to the present application can be made without departing from the scope or spirit of the present application. For example, features shown or described as one embodiment can be used in another embodiment to produce yet another embodiment. It is, therefore, desired that the present application be considered in its broadest aspect and be interpreted to cover all such modifications and variations as fall within the scope of the appended claims and their equivalents.
[0031] In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc. indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and does not require the present application to be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "connected", "connected", "provided" used in the present application should be understood broadly, for example, it can be fixed connection or detachable connection; it can be directly connected or indirectly connected through intermediate components; it can be wired electrical connection, wireless electrical connection or wireless communication signal connection, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.
[0032] One or more examples of the present application are shown in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to identify like or similar portions of the present application. As utilized herein, terms such as "first", "second", and "third" and the like can be interchangeable when used to discriminate one element from another unless specifically stated otherwise, and are not intended to signify location or importance of the individual elements.
[0033] As Figures 1 to 3 shown, according to the embodiment of the present application, a double-layer pleated window curtain 100 is provided, the first layer of pleated curtain 1 and the second layer of pleated curtain 2 are mirror-symmetrically arranged, so that the window curtain is more balanced when unfolded and rolled up, reducing the possibility of skewing and deformation, ensuring uniform distribution of tension during use, avoiding visual discordance and inconvenience caused by asymmetry. The first layer of pleated curtain 1 and the second layer of pleated curtain 2 each have a plurality of pleated surfaces 10, 20, and each of the first layer of pleated curtain 1 or the second layer of pleated curtain 2 has a pleat line between two adjacent pleated surfaces 10, 20; the pleat line makes the window curtain more smooth when folding and unfolding, and is not easy to jam. The corresponding pleat lines of the first layer of pleated curtain 1 and the second layer of pleated curtain 2 in the same plane form a group; the first layer of pleated curtain 1 and the second layer of pleated curtain 2 are separated by a group of pleat lines and fixedly connected at the adjacent other group of pleat lines. The fixed connection makes the connection between the two layers of pleated curtains more firm, forming a stable structure, improving the structural stability and durability of the window curtain, and reducing the problem of looseness and falling caused by loose connection. The first layer of pleated curtain 1 and the second layer of pleated curtain 2 are fixed at the pleat line by hot pressing process to form a pleated connecting edge 3. Hot pressing process has better tensile performance than traditional glue sticking, the connection is more firm, and it is more environmentally friendly and will not release harmful substances. Hot pressing process improves the environmental performance and durability of the window curtain, reduces maintenance costs, and prolongs the service life of the window curtain.
[0034] The first layer of folding curtain 1 and the second layer of folding curtain 2 are constructed into a plurality of cavity structures 5 with a quadrilateral cross section. The multi-layer structure of the double-layer folding curtain provides better heat and sound insulation effects. The first layer of folding curtain 1 and the second layer of folding curtain 2 form a plurality of cavity structures with a rhombus cross section through a plurality of folding surfaces and folding lines, which can effectively block the transmission of heat and sound, thereby improving the heat and sound insulation performance of the curtain, making the indoor more comfortable, and reducing energy consumption.
[0035] The first layer of folding curtain 1 has two adjacent folding surfaces 10, which are the first outward folding surface 12 and the first inward folding surface 11, respectively. The second layer of folding curtain 2 has two adjacent folding surfaces 20, which are the second outward folding surface 22 and the second inward folding surface 21, respectively. The first layer of folding curtain 1 and the second layer of folding curtain 2 are more uniform and stable when being folded and unfolded at the same time. The alternating arrangement of outward folding surfaces and inward folding surfaces forms a regular geometric pattern, increasing the visual level of the curtain.
[0036] The plurality of folding surfaces 10 of the first layer of folding curtain 1 are arranged alternately from top to bottom through the first outward folding surface 12 and the first inward folding surface 11. The plurality of folding surfaces 20 of the second layer of folding curtain 2 are arranged alternately from top to bottom through the second outward folding surface 22 and the second inward folding surface 21. The alternating arrangement design makes each layer of folding curtain more uniform and stable when being folded and unfolded.
[0037] The spaced folding lines can expand outward to form folding expansion edges 4 when folding. The spaced folding line between the first outward folding surface 12 and its adjacent first inward folding surface 11 is the first folding expansion edge 41. The spaced folding line between the second outward folding surface 22 and its adjacent second inward folding surface 21 is the second folding expansion edge 42. At the same time, the cavity 5 is reduced, and the curtain is opened when going up. The outward expansion design of the first folding expansion edge 41 and the second folding expansion edge 42 makes each layer of folding curtain more uniform and stable when being folded and unfolded, reducing deformation and damage caused by uneven local stress.
[0038] The fabric of the first layer of folding curtain 1 or the second layer of folding curtain 2 close to the window side is set as a reflective fabric or coated with a reflective coating on its surface. The reflective fabric or reflective coating can effectively reflect sunlight, reducing the direct entry of sunlight into the room. It improves the shading effect of the curtain, making the indoor light more soft, reducing the dazzling direct light, and reducing the heat entering the room, reducing the indoor temperature, reducing the use frequency and energy consumption of the air conditioner, saving energy, effectively blocking ultraviolet rays, and reducing the damage of ultraviolet rays to indoor furniture and floor.
[0039] The first layer of curtain 1 and the second layer of curtain 2 are made of the same non-woven fabric or different materials. Non-woven fabric can be quickly formed using hot pressing technology, making the production process simple and efficient, which greatly improves production efficiency. Non-woven fabric has good flexibility, breathability and moisture absorption. It is usually made of synthetic fibers, has good environmental performance, and can be recycled and reused.
[0040] The first layer of curtain 1 and the second layer of curtain 2 can also be made of different fabrics. In particular, using a silver fabric with a higher refractive index, especially on the side closest to the window, can effectively reflect solar radiation and reduce heat entering the room. The inner side uses a non-woven fabric, which has good heat insulation properties and can further block heat transfer. The silver fabric has a high reflectivity, which can effectively block sunlight and reduce direct light entering the room. The non-woven fabric has some light-blocking properties, which can further enhance the light-blocking effect. The non-woven fabric has good sound absorption properties, which can effectively absorb indoor and outdoor noise. Although the primary function of the silver fabric is to reflect light, it also has a certain sound insulation effect. The silver fabric produces a unique luster effect under sunlight, increasing the visual appeal of the curtains. The non-woven fabric has a natural texture, making the curtains more harmonious with the interior decoration.
[0041] like Figure 4 The single-layer pleated blind shown is a single-layer structure, consisting of a single layer of folded fabric. The fabric is folded multiple times to create several parallel folds, each connected by fold lines. These fold lines allow the fabric to unfold and fold freely in the vertical direction. It typically has a top fixing device to secure the blind to the window frame or other supporting structure. A weighted strip is usually present at the bottom of the blind to ensure it hangs straight when unfolded. Single-layer pleated blinds, with only one layer of fabric, cannot form an effective air gap, resulting in poor heat insulation. In summer, direct sunlight allows a large amount of heat to enter the room through the blind, causing the indoor temperature to rise. In winter, heat is easily lost through the blind, causing the indoor temperature to drop. Single-layer pleated blinds usually use thinner fabrics, making them prone to wear, tear, or deformation.
[0042] like Figure 5The illustrated honeycomb curtain is composed of multiple layers of hexagonal fabric structures, forming multiple cavities. The central gaps between each layer of hexagonal structures can accommodate air, providing thermal and sound insulation effects. Each layer of structure is bonded by glue, ensuring the stability and integrity of the structure. The glue used to bond each layer of structure may release harmful substances such as aldehydes and phenols, which can negatively impact indoor air quality and potentially cause respiratory discomfort, allergic reactions, and other health problems, making it unsuitable for environmental protection requirements. The glue bonding connection method may age and become brittle over time, leading to instability in the structure of the honeycomb curtain. This can shorten the service life of the honeycomb curtain, increase the frequency of replacement, and increase maintenance costs.
[0043] The above only describes some embodiments and examples of the present application, and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A dual-layer pleated window treatment (100), characterized in that, The utility model relates to a double-layer pleated window curtain (100) comprising: a first layer of pleated curtains (1) and a second layer of pleated curtains (2) arranged symmetrically; each of the first layer of pleated curtains (1) and the second layer of pleated curtains (2) has a plurality of pleated surfaces (10, 20), each of the first layer of pleated curtains (1) and the second layer of pleated curtains (2) has a pleat line between two adjacent pleated surfaces (10, 20); corresponding pleat lines of the first layer of pleated curtains (1) and the second layer of pleated curtains (2) on the same plane form a group; the first layer of pleated curtains (1) and the second layer of pleated curtains (2) are fixedly connected by a group of pleat lines and are fixedly connected at another adjacent group of pleat lines, so that the first layer of pleated curtains (1) and the second layer of pleated curtains (2) form a plurality of cavity structures (5) with a quadrilateral cross section; the fabric of the first layer of pleated curtains (1) or the second layer of pleated curtains (2) close to the window is provided with a reflective fabric or a reflective coating on the surface.
2. The double-layer pleated window curtain (100) according to claim 1, wherein the fixedly connected group of pleat lines is formed by hot-pressing process.
3. The double-layer pleated window curtain (100) according to claim 1 or 2, wherein the two adjacent pleated surfaces (10) of the first layer of pleated curtains (1) comprise a first outward pleated surface (12) and a first inward pleated surface (11); the two adjacent pleated surfaces (20) of the second layer of pleated curtains (2) comprise a second outward pleated surface (22) and a second inward pleated surface (21).
4. The double-layer pleated window curtain (100) according to claim 3, wherein the plurality of pleated surfaces (10) of the first layer of pleated curtains (1) are arranged alternately from top to bottom by the first outward pleated surface (12) and the first inward pleated surface (11); the plurality of pleated surfaces (20) of the second layer of pleated curtains (2) are arranged alternately from top to bottom by the second outward pleated surface (22) and the second inward pleated surface (21).
5. The double-layer pleated window curtain (100) according to claim 3, wherein the spaced pleat lines of the first layer of pleated curtains (1) are first pleated expansion edges (41); the spaced pleat lines of the second layer of pleated curtains (2) are second pleated expansion edges (42).
6. The double-layer pleated window curtain (100) according to claim 1, wherein the first layer of pleated curtains (1) and the second layer of pleated curtains (2) are made of the same fabric.
7. The double-layer pleated window curtain (100) according to claim 1, wherein the first layer of pleated curtains (1) and the second layer of pleated curtains (2) are made of different fabrics.