Adjustable U-shaped pillow

Abstract

The utility model discloses an adjustable U-shaped pillow, and relates to the technical field of U-shaped pillows. A first air bag ring is arranged on the inner ring of the pillow main body, and a second air bag ring is arranged on the inner ring of the first air bag ring; a first closable inflation hole communicated with the first air bag ring and a second closable inflation hole communicated with the second air bag ring are formed in the U-shaped pillow; u-shaped first connecting pieces are arranged on the first side face and the second side face of the pillow main body respectively, the pillow further comprises skin-friendly cloth detachably arranged on the pillow main body, and second connecting pieces matched with the first connecting pieces are arranged on the inner side face of the skin-friendly cloth. According to the scheme, functionality and economical efficiency are both considered through modular design, and the problem that a traditional U-shaped pillow cannot adapt to diversified user groups is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of U-shaped pillows, in particular to an adjustable U-shaped pillow. BACKGROUND

[0002] The U-shaped pillow, also known as an inflatable travel pillow, is designed according to the ergonomics of the neck, and is made of a slow-rebound material that is sensitive to heat. It provides the most balanced, gentle and true support for the head and neck, and allows the human head and neck to be naturally stretched without hindering blood circulation. It can prevent neck and shoulder pain caused by napping, and has multiple uses, health and comfort, and obvious preventive and therapeutic effects on cervical diseases.

[0003] At present, most of the U-shaped pillows on the market adopt a fixed shape, but the practical population is not fixed. Some people have a large skeleton and a thick neck, and some people have a small skeleton and a thin neck. Therefore, it is difficult for the U-shaped pillow with a fixed shape to fully meet the personalized needs. For example, people with thick necks will have a strong squeezing feeling, and people with thin necks will feel insufficient wrapping. CONTENT OF THE INVENTION

[0004] The present application aims to provide an adjustable U-shaped pillow to solve at least one of the above technical problems.

[0005] In order to solve the above technical problems, the present application provides an adjustable U-shaped pillow, which comprises a pillow body, a first air bag ring is arranged in the inner circle of the pillow body, and a second air bag ring is arranged on the inner circle of the first air bag ring.

[0006] A first closable inflation hole communicating with the first air bag ring and a second closable inflation hole communicating with the second air bag ring are arranged on the U-shaped pillow.

[0007] A first connecting piece in the shape of U is arranged on the first side and the second side of the pillow body, respectively, and a skin-friendly cloth is detachably arranged on the pillow body, a second connecting piece adapted to the first connecting piece is arranged on the inner side of the skin-friendly cloth.

[0008] In the implementation process, the scheme adopts a double air bag ring design, and users can independently adjust the inflation amount of the two air bags to achieve fine control of the neck support force. For example, for users with a thicker neck, the air pressure of the first air bag ring can be increased to expand the overall wrapping range, while the inflation amount of the second air bag ring is reduced to avoid excessive compression; on the contrary, users with a thinner neck can preferentially inflate the second air bag ring to enhance the fit. This layered adjustment design significantly improves the adaptability of the product, meeting the individual needs of users of different body types. In addition, the skin-friendly cloth is detachably connected to the pillow body through a magic tape connector, which not only facilitates daily cleaning and replacement, but also allows for the replacement of different materials according to seasonal or environmental needs (such as using fleece in winter and breathable fabric in summer), further improving comfort. The detachable design also prolongs the service life of the product, eliminating the need to replace the entire pillow when the skin-friendly cloth wears out, reducing the cost of use. Overall, the structure takes into account functionality and economy through modular design, solving the pain points of traditional U-shaped pillows that cannot adapt to a diverse user group.

[0009] Preferably, the second air bag ring forms a plurality of bump structures when inflated, which surround the inner circle of the pillow body.

[0010] In the implementation process, the scheme further limits the second air bag ring to form a bump structure around the inner circle when inflated; the distribution density and height of the bumps can be dynamically adjusted according to the air bag inflation amount: when the inflation amount is small, the bumps are softer, suitable for daily support; when the inflation amount is large, the bumps are more pronounced, providing deep massage function. In addition, the bump structure increases the contact area between the neck and the pillow, dispersing the pressure to multiple points, avoiding the local compression caused by the uniform stress of traditional U-shaped pillows, especially suitable for people with sensitive cervical vertebrae. From the perspective of ergonomics, the arc design of the bumps matches the curvature of the neck, further enhancing the fit and stability.

[0011] Preferably, the first and second closable inflation holes are located at two different ends of the U-shaped pillow, respectively.

[0012] In the implementation process, the scheme specifies that the first and second inflation holes are located at two different ends of the U-shaped pillow, respectively. This layout design optimizes the user operation experience: the two inflation holes are physically separated, avoiding confusion or misoperation when inflating and deflating simultaneously. From the perspective of structural reliability, the separate inflation holes simplify the internal air duct design, making the air paths of the two air bags completely independent, ensuring that the air pressures do not interfere with each other during adjustment, thereby precisely controlling the support strength of each area. For production, this design reduces the complexity of the mold, which is beneficial to cost control. Overall, the separate placement of the inflation holes takes into account user experience, product durability, and manufacturing feasibility, embodying the high integration of functionality and practicality.

[0013] Preferably, the first connecting piece comprises a magic tape female piece, and the second connecting piece comprises a magic tape male piece.

[0014] In the above implementation process, the magic tape (female piece and male piece) is used as the connecting piece to realize quick disassembly and installation of the skin-friendly cloth and the pillow body. The hook surface and the hair surface of the magic tape have high tensile strength and can withstand repeated tearing in daily use, ensuring the stability of the connection. Meanwhile, the flexibility of the magic tape avoids the discomfort caused by hard buckles. Users can complete the installation by simply pressing, and the operation is intuitive and convenient. Even users with less hand strength can easily use it. In addition, the flat design of the magic tape does not increase the thickness of the pillow, maintaining the lightweight characteristics of the U-shaped pillow. From the maintenance point of view, the detachable structure facilitates the user to regularly clean the skin-friendly cloth, avoiding bacterial growth. Furthermore, this connection scheme also has the advantages of low cost and easy replacement. If the magic tape fails due to long-term use, the user can purchase a replacement part without professional maintenance, greatly reducing the after-sales cost. The application of the magic tape balances the functionality, durability, and economy of the product.

[0015] Preferably, the skin-friendly cloth comprises a skin-friendly layer and a breathable support layer.

[0016] The skin-friendly layer is woven from a first silk thread and a second silk thread, the first silk thread is made of natural silk, and the second silk thread is made of modal fiber.

[0017] In the above implementation process, the skin-friendly cloth is composed of a skin-friendly layer and a breathable support layer, and the skin-friendly layer is mixed with natural silk and modal fiber. Silk protein is rich in amino acids, has natural skin-friendliness and antibacterial properties, and can reduce the risk of neck skin allergy. The high moisture absorption of modal fiber can quickly sweat and keep the contact surface dry, especially suitable for use in summer or after exercise. The breathable support layer is woven with pure cotton yarn, and the natural fiber structure forms micro-pores to promote air circulation and avoid the stuffy feeling of long-term wearing. The composite design of the two layers not only ensures the softness and comfort of the skin-friendly surface, but also maintains the shape of the cloth through the support of the bottom layer to prevent deformation and collapse. In addition, the blending of silk and modal improves the gloss and drape of the fabric, giving the product a high-end feel. This structure optimizes the comfort and hygiene performance of the U-shaped pillow from the source of materials, meeting the dual needs of users for health and aesthetics.

[0018] Preferably, the skin-friendly layer is formed by interweaving plain and diagonal weaves.

[0019] In the implementation process, the skin-friendly layer is further specified to be made of plain weave and twill interweaving process. The plain weave has tight organization and smooth surface, providing delicate touch. The twill weave is soft and elastic, enhancing the wrinkle resistance and ductility of the fabric. The combination of the two weaving methods makes the fabric have both flatness and flexibility: the plain weave part reduces friction on the skin, suitable for sensitive areas; the twill part adapts to deformation when the neck moves, avoiding the feeling of being bound. In addition, the small concave-convex texture formed by the interweaving structure can increase the thickness of the air layer, further improving the air permeability. From the production point of view, this process can flexibly control the thickness of the fabric by adjusting the density of warp and weft yarns, adapting to different seasonal needs (such as thickening in winter and lightness in summer). This composite weaving method realizes multi-functional optimization at low cost.

[0020] Preferably, the air-permeable supporting layer is woven from pure cotton yarns;

[0021] In the implementation process, the air-permeable supporting layer is woven from pure cotton yarns, fully utilizing the natural advantages of cotton fibers. Pure cotton has strong moisture absorption, can absorb neck sweat and evaporate quickly, keeping dry; its air permeability is better than that of chemical fiber materials, avoiding the accumulation of heat and moisture causing itch or itching. The fluffy structure of cotton yarns gives the supporting layer moderate elasticity, supporting the skin-friendly layer while dispersing pressure, avoiding discomfort caused by rigid support. In addition, pure cotton material is environmentally friendly and biodegradable, in line with the trend of sustainable development. From the perspective of durability, cotton fibers have excellent anti-pilling performance, can maintain a smooth surface after long-term use, prolonging the product life. This design precisely balances functionality, comfort and environmental protection through material selection.

[0022] Preferably, the air-permeable supporting layer is woven by plain weave weaving process;

[0023] In the implementation process, the air-permeable supporting layer in this scheme adopts plain weave weaving process. Plain weave interweaves warp and weft yarns one over one, forming a dense and uniform structure with high tear resistance and dimensional stability, effectively preventing the supporting layer from deforming or loosening during use. The tight weaving structure also reduces the gap between cotton yarns, preventing the skin-friendly layer glue from penetrating to the surface and affecting the touch. At the same time, the low elongation rate of plain weave ensures that the supporting layer can maintain its original shape after multiple washes, maintaining the overall appearance of the product.

[0024] Preferably, a dot-shaped glue is provided between the skin-friendly layer and the air-permeable supporting layer, the dot-shaped glue is used to bond the skin-friendly layer and the air-permeable supporting layer, and the dot-shaped glue is distributed in a matrix;

[0025] In the implementation process, the scheme uses matrix-distributed point glue to bond between the skin-friendly layer and the breathable support layer. Compared with traditional full-width glue coating, the point glue greatly reduces the coverage area of the glue layer while ensuring bonding strength, preserving the original breathability and softness of the fabric. The matrix distribution makes the bonding points evenly distributed, avoiding delamination caused by local stress concentration and improving the durability of the composite fabric. In addition, the gaps between the point glue form micro-airflow channels, further enhancing the heat dissipation performance. From an environmental protection perspective, this process reduces glue usage by about 30%-50%, reducing VOC emissions; from the user experience perspective, the glue points are small and regularly distributed, and do not produce a pressing sensation.

[0026] Preferably, the point glue is water-based polyurethane glue;

[0027] In the implementation process, the scheme uses water-based polyurethane glue. This material is non-toxic and odorless, and is cured by water evaporation, avoiding the irritation of harmful substances left by solvent-based glue to the skin, and meeting the safety standards for mother and baby products. The polyurethane glue layer has high toughness and can withstand repeated bending of the fabric without cracking, ensuring that the skin-friendly cloth remains bonded between layers after multiple washes. Its hydrolysis resistance also prevents sweat or cleaning agents from eroding the glue layer, extending the service life. In addition, the flowability of water-based glue is more suitable for dispensing processes, allowing precise control of glue point size and distribution density to ensure uniform adhesion.

[0028] Compared with the prior art, the beneficial effects of the present application are that the scheme adopts a double air bag ring design, and users can independently adjust the inflation amount of the two air bags to achieve fine control of neck support force. For example, for users with a thicker neck, the air pressure of the first air bag ring can be increased to expand the overall wrapping range, while the inflation amount of the second air bag ring is reduced to avoid excessive compression; on the contrary, users with a thinner neck can preferentially inflate the second air bag ring to enhance the fit. This layered adjustment design significantly improves the adaptability of the product, meeting the individual needs of users of different body types. In addition, the skin-friendly cloth is detachably connected to the pillow body through the magic tape connector, which not only facilitates daily cleaning and replacement, but also allows the replacement of different materials according to seasonal or environmental needs (such as using fleece in winter and breathable fabric in summer), further improving comfort. The detachable design also extends the service life of the product, as the skin-friendly cloth can be replaced without replacing the entire pillow, reducing the cost of use. Overall, this structure takes into account functionality and economy through modular design, solving the pain points of traditional U-shaped pillows that cannot adapt to a diverse user group. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0030] Figure 1 is a structure diagram of a pillow body of one of the embodiments of the present application;

[0031] Figure 2 is a structure diagram of a pillow body of one of the embodiments of the present application;

[0032] Figure 3 is a structure diagram of a skin-friendly cloth of one of the embodiments of the present application;

[0033] Figure 4 is a structure diagram of a skin-friendly layer of one of the embodiments of the present application;

[0034] In the drawings: 10, pillow body; 11, closeable air hole; 21, first air bag ring; 22, second air bag ring; 221, protruding block structure; 31, first connecting piece; 32, second connecting piece; 40, skin-friendly cloth; 41, first silk thread; 42, second silk thread. DETAILED DESCRIPTION

[0035] The following will disclose several embodiments of the present application by means of drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present application. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in a simple schematic manner in the drawings.

[0036] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture such as shown in the drawings. If the specific posture changes, the directional indications will also change accordingly.

[0037] In addition, the descriptions such as "first", "second" and the like in the present application are only for the purpose of description, and do not mean to indicate or imply the order or sequence, nor to limit the present application, which are merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed by the present application.

[0038] In order to further understand the practical new content, characteristics and effects of the present application, the following examples are given and described in detail as follows with reference to the accompanying drawings:

[0039] Embodiment

[0040] At present, most of the U-shaped pillows on the market adopt fixed shape, but the practical population is indefinite, some people have larger skeleton and thicker neck, and some people have smaller skeleton and thinner neck, so it is difficult for the U-shaped pillow with fixed shape to fully meet the individual needs, for example, the squeezing feeling is relatively strong for people with thicker neck, and the wrapping feeling is insufficient for people with thinner neck; in order to solve the above technical problems, the present embodiment provides the following technical solutions:

[0041] Specifically, please refer to Figures 1-4 The present embodiment provides an adjustable U-shaped pillow, which comprises a pillow body 10, a first air bag ring 21 is arranged in the inner ring of the pillow body 10, and a second air bag ring 22 is arranged on the inner ring of the first air bag ring 21;

[0042] Further, a first closable air hole 11 communicating with the first air bag ring 21 and a second closable air hole 11 communicating with the second air bag ring 22 are arranged on the U-shaped pillow;

[0043] Specifically, a first connecting piece 31 in U shape is arranged on the first side and the second side of the pillow body 10 respectively, and a skin-friendly cloth 40 detachably arranged on the pillow body 10 is further arranged, a second connecting piece 32 adapted to the first connecting piece 31 is arranged on the inner side of the skin-friendly cloth 40;

[0044] In the above scheme, the present scheme adopts a double air bag ring design, and users can realize fine control of neck support force by independently adjusting the inflation amount of the two air bags. For example, for users with a thicker neck, the air pressure of the first air bag ring 21 can be increased to expand the overall wrapping range, while the inflation amount of the second air bag ring 22 is reduced to avoid excessive compression; on the contrary, users with a thinner neck can preferentially inflate the second air bag ring 22 to enhance the fit. This layered adjustment design significantly improves the adaptability of the product, meeting the individual needs of users of different body types. In addition, the skin-friendly cloth 40 is detachably connected to the pillow body 10 through the magic tape connector, which not only facilitates daily cleaning and replacement, but also allows for the replacement of different materials according to seasonal or environmental needs (such as using flannel in winter and breathable fabric in summer), further improving comfort. The detachable design also prolongs the service life of the product, eliminating the need to replace the entire pillow when the skin-friendly cloth 40 wears out, reducing the cost of use. Overall, this structure takes into account functionality and economy through modular design, solving the pain points of traditional U-shaped pillows that cannot adapt to a diverse user group.

[0045] Specifically, the second air bag ring 22 forms a plurality of bump structures 221 when it is inflated, and the bump structures 221 surround the inner circle of the pillow body 10.

[0046] In the above scheme, the present scheme further limits the second air bag ring 22 to form bump structures 221 that surround the inner circle when inflated; the distribution density and height of the bumps can be dynamically adjusted according to the air bag inflation amount: when the inflation amount is small, the bumps are softer, suitable for daily support; when the inflation amount is large, the bumps are more pronounced, providing deep massage function. In addition, the bump structure 221 increases the contact area between the neck and the pillow, dispersing the pressure to multiple points, avoiding the local compression caused by the uniform stress of traditional U-shaped pillows, especially suitable for people with sensitive cervical vertebrae. From the perspective of human engineering, the arc design of the bumps matches the curvature of the neck, further enhancing the fit and stability.

[0047] Specifically, the first and second closable inflation holes 11 are located at two different ends of the U-shaped pillow, respectively;

[0048] In the above scheme, the present scheme specifies that the first and second inflation holes are located at two different ends of the U-shaped pillow, respectively. This layout design optimizes the user operation experience: the two inflation holes are physically separated, avoiding confusion or misoperation when inflating and deflating at the same time. From the perspective of structural reliability, the separate inflation holes simplify the internal air duct design, making the air paths of the two air bags completely independent, ensuring that the air pressures do not interfere with each other during adjustment, thereby precisely controlling the support strength of each area. For production, this design reduces the complexity of the mold, which is beneficial to cost control. Overall, the separate placement of the inflation holes takes into account user experience, product durability, and manufacturing feasibility, embodying the high integration of functionality and practicality.

[0049] Specifically, please refer to Figure 1 and Figure 3 The first connecting piece 31 comprises a Velcro female piece, and the second connecting piece 32 comprises a Velcro male piece.

[0050] In the above scheme, the Velcro (female piece and male piece) is used as the connecting piece to realize quick disassembly and installation of the skin-friendly cloth 40 and the pillow body 10. The Velcro has high tensile strength due to the combination of the hook surface and the pile surface, can withstand repeated tearing in daily use, and ensures the stability of the connection. At the same time, its flexibility avoids the discomfort caused by hard buckles. Users only need to press lightly to complete the installation, and the operation is intuitive and convenient, even if the user has small hand strength, they can also use it easily. In addition, the flat design of the Velcro does not increase the thickness of the pillow, maintaining the lightweight characteristics of the U-shaped pillow. From the maintenance point of view, the detachable structure facilitates the user to regularly clean the skin-friendly cloth 40, avoiding bacterial growth; further, the connection scheme also has the advantages of low cost and easy replacement. If the Velcro fails due to long-term use, the user can purchase replacement parts by himself, without the need for professional maintenance, greatly reducing the after-sales cost. The application of Velcro balances the functionality, durability and economy of the product.

[0051] Specifically, the skin-friendly cloth 40 comprises a skin-friendly layer and a breathable support layer.

[0052] Further, please refer to Figure 4 The skin-friendly layer is woven from a first silk thread 41 and a second silk thread 42, the first silk thread 41 is made of natural silk, and the second silk thread 42 is made of modal fiber.

[0053] In the above scheme, the skin-friendly cloth 40 is composed of a skin-friendly layer and a breathable support layer, and the skin-friendly layer is mixed with natural silk and modal fiber. Silk protein is rich in amino acids, has natural skin-friendliness and antibacterial properties, and can reduce the risk of neck skin allergy; the high moisture absorption of modal fiber can quickly sweat and keep the contact surface dry, especially suitable for use in summer or after exercise. The breathable support layer is woven with pure cotton yarn, and the natural fiber structure forms micro-pores to promote air circulation and avoid the stuffy feeling of long-term wearing. The composite design of the two layers not only ensures the softness and comfort of the skin-friendly surface, but also maintains the shape of the cloth through the support of the bottom layer, preventing deformation and collapse. In addition, the blending of silk and modal improves the gloss and drape of the fabric, giving the product a high-end feel. This structure optimizes the comfort and hygiene performance of the U-shaped pillow from the source of materials, meeting the dual needs of users for health and aesthetics.

[0054] Specifically, in one embodiment, the skin-friendly layer is formed by interweaving plain and diagonal weaves.

[0055] In the aforementioned scheme, this scheme further clarifies that the skin-friendly layer is made using a combination of plain and twill weaves. The plain weave is tight and smooth, providing a delicate touch; the twill weave is soft and elastic, enhancing the fabric's wrinkle resistance and stretch. The combination of these two weaves gives the fabric both smoothness and flexibility: the plain weave reduces friction against the skin, making it suitable for sensitive areas; the twill weave adapts to changes in shape during neck movement, avoiding a feeling of restriction. Furthermore, the micro-textured texture created by the interweaving structure increases the thickness of the air layer, further improving breathability. From a production perspective, this process allows for flexible control of fabric thickness by adjusting the warp and weft yarn density, adapting to different seasonal needs (such as thicker for winter and lighter for summer). This composite weave achieves multi-functional optimization at a low cost.

[0056] Specifically, the breathable support layer is woven from pure cotton yarn;

[0057] In the above design, the breathable support layer is made of pure cotton yarn, fully leveraging the natural advantages of cotton fibers. Pure cotton is highly absorbent, absorbing and quickly evaporating sweat from the neck to keep it dry; its breathability is superior to synthetic fibers, preventing heat rash or itching caused by moisture buildup. The loose structure of cotton yarn gives the support layer moderate elasticity, distributing pressure while supporting the skin-friendly layer, avoiding discomfort from rigid support. Furthermore, pure cotton is environmentally friendly and biodegradable, aligning with sustainable development trends. From a durability perspective, cotton fibers have excellent anti-pilling properties, maintaining a smooth surface even after long-term use, extending product lifespan. This design precisely balances functionality, comfort, and environmental friendliness through material selection.

[0058] Specifically, the breathable support layer is woven using a plain weave technique;

[0059] In the above-mentioned solution, the breathable support layer adopts a plain weave technique. Plain weave interweaves warp and weft yarns in a regular alternating pattern, forming a dense and uniform structure with high tear resistance and dimensional stability, effectively preventing deformation or loosening of the support layer during use. The tight weave structure also reduces gaps between cotton yarns, preventing adhesive from the skin-friendly layer from seeping to the surface and affecting the feel. At the same time, the low elongation of the plain weave ensures that the support layer maintains its original shape after multiple washes, preserving the overall aesthetics of the product.

[0060] It should be noted that the twill weave, plain weave, or mixed weave described above are relatively mature technologies in the prior art. Therefore, this solution will not elaborate on their specific details. However, it is understood that this will not affect the understanding of the solution as a whole by those skilled in the art.

[0061] Specifically, dotted adhesive is provided between the skin-friendly layer and the breathable support layer. The dotted adhesive is used to bond the skin-friendly layer and the breathable support layer together, and the dotted adhesive is distributed in a matrix.

[0062] In the above scheme, this scheme uses a matrix distribution of point glue between the skin-friendly layer and the breathable support layer. Compared with traditional full-width glue coating, point glue greatly reduces the coverage area of the glue layer while ensuring adhesion strength, preserving the original breathability and softness of the fabric. Matrix distribution makes the bonding points evenly distributed, avoiding delamination caused by local stress concentration and improving the durability of the composite fabric. In addition, the gaps between the point glue form micro air flow channels, further enhancing the heat dissipation performance. From the environmental protection point of view, this process reduces the amount of glue by about 30%-50%, reducing VOC emissions; from the user experience point of view, the glue points are small and regularly distributed, and do not produce a pressing feeling.

[0063] Further, the point glue is water-based polyurethane glue;

[0064] In the above scheme, this scheme uses water-based polyurethane glue. This material is non-toxic and odorless, and is cured by water evaporation, avoiding the irritation of harmful substances left by solvent-based glue to the skin, and meeting the safety standards for mother and baby products. The polyurethane glue layer has high toughness and can withstand repeated folding of the fabric without cracking, ensuring that the skin-friendly cloth still maintains interlayer adhesion after multiple washes. Its hydrolysis resistance also prevents sweat or cleaning agents from eroding the glue layer, extending the service life. In addition, the flowability of water-based glue is more suitable for the point glue process, allowing precise control of glue point size and distribution density to ensure uniform adhesion.

[0065] The above only describes the preferred embodiments of the present application and does not limit the present application in any form. Any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments are within the scope of the technical solutions of the present application.

Claims

1. An adjustable U-shaped pillow, characterized by: The pillow body comprises a main body, a first air bag ring is arranged in the inner circle of the main body, and a second air bag ring is arranged in the inner circle of the first air bag ring; A first closable air hole communicating with the first air bag ring and a second closable air hole communicating with the second air bag ring are arranged on the U-shaped pillow; First connecting members in a U shape are arranged on the first side and the second side of the main body, and a skin-friendly cloth is detachably arranged on the main body, wherein a second connecting member adapted to the first connecting member is arranged on the inner side of the skin-friendly cloth.

2. The adjustable U-shaped pillow of claim 1, wherein: The second air bag ring is provided with a plurality of convex structures when inflated, and the convex structures surround the inner circle of the main body.

3. The adjustable U-shaped pillow of claim 2, wherein: The first closable air hole and the second closable air hole are respectively located at two different ends of the U-shaped pillow.

4. The adjustable U-shaped pillow of claim 1, wherein: The first connecting member comprises a magic tape female, and the second connecting member comprises a magic tape male.

5. The adjustable U-shaped pillow according to any one of claims 1-4, wherein: The skin-friendly cloth comprises a skin-friendly layer and a breathable supporting layer. The skin-friendly layer is woven by a first silk thread and a second silk thread, the first silk thread is made of natural silk, and the second silk thread is made of modal fiber.

6. The adjustable U-shaped pillow of claim 5, wherein: The skin-friendly layer is formed by interweaving plain weave and twill.

7. The adjustable U-shaped pillow of claim 5, wherein: The breathable supporting layer is woven by pure cotton yarn.

8. The adjustable U-shaped pillow of claim 7, wherein: The breathable supporting layer is woven by plain weave process.

9. The adjustable U-shaped pillow of claim 5, wherein: Point-shaped glue is arranged between the skin-friendly layer and the breathable supporting layer, the point-shaped glue is used for bonding the skin-friendly layer and the breathable supporting layer, and the point-shaped glue is distributed in a matrix.

10. The adjustable U-shaped pillow of claim 9, wherein: The point-shaped glue is water-based polyurethane glue.

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