Glue-free mattress with adjustable hardness

Abstract

The utility model provides a glue-free mattress with adjustable hardness. The glue-free mattress comprises an upper surface layer, a plurality of hardness adjusting layers, a glue-free core body and surrounding edges, wherein the hardness adjusting layers are different in hardness and are stacked up and down; the non-rubber core body comprises a bagged spring set and safe edges arranged on the periphery of the bagged spring set. The bagged spring set comprises a plurality of bagged springs which are welded into a whole through ultrasonic waves. The surrounding edge is arranged on the periphery of the non-rubber core body; matched zippers are arranged on the upper surface layer and the surrounding edge, and when the zippers are closed, the hardness adjusting layers and the non-rubber core body are sealed between the upper surface layer and the surrounding edge. According to the glue-free hardness-adjustable mattress disclosed by the utility model, the core body can connect the springs into a whole without glue adhesion, on the basis of the glue-free core body, the hardness adjusting layers capable of changing the hardness body feeling of a user are also arranged in the mattress, and the hardness body feeling of the user can be changed by adjusting the up-down sequence of the hardness adjusting layers; the soft and hard somatosensory change when the user sleeps can be realized.

Description

Technical Field

[0001] This utility model belongs to the field of home mattress technology, specifically relating to a glue-free mattress with adjustable firmness. Background Technology

[0002] Traditional mattresses typically use a large amount of glue for bonding during the manufacturing process. This not only poses potential threats to the environment and human health but also negatively impacts the mattress's structure and durability. Over time, the glue may accelerate the aging of the mattress's internal materials and even cause the bonded parts to detach, thus shortening the mattress's lifespan. Furthermore, aging materials may release harmful gases, polluting the air quality of the living environment and further affecting the user's health and quality of life.

[0003] On the other hand, traditional mattresses typically employ a fixed design, resulting in a relatively uniform sleeping experience that is difficult to adjust to a user's body type, sleeping position, or preferences. This lack of flexibility fails to fully meet today's consumers' demands for personalized comfort, especially given the increasingly diverse expectations for sleep support and comfort among different user groups. As people pay more attention to sleep quality, these limitations of traditional mattresses become particularly prominent. Utility Model Content

[0004] Based on the aforementioned shortcomings and deficiencies in the existing technology, one of the objectives of this utility model is to at least solve one or more of the aforementioned problems in the existing technology, or to provide a glue-free adjustable firmness mattress that meets one or more of the aforementioned needs.

[0005] To achieve the above-mentioned objectives, this utility model adopts the following technical solution:

[0006] This utility model provides a glue-free adjustable firmness mattress, including a top layer, several firmness adjustment layers, a glue-free core, a side edge, and a bottom layer;

[0007] Among them, the hardness of each of the several soft and hard adjustment layers is different, and they are stacked one on top of the other; the glue-free core includes a bag spring assembly and a protective edge around the bag spring assembly. The bag spring assembly includes several bag springs ultrasonically welded together; the protective edge is located around the glue-free core.

[0008] The top layer and the surrounding edge are equipped with matching zippers, and the bottom layer is located at the bottom of the surrounding edge. When the zippers are closed, several soft and hard adjustment layers and a non-adhesive core are sealed between the top layer, the surrounding edge and the bottom layer.

[0009] In a preferred embodiment, the fastener passes through several firmness adjustment layers, fixing them together securely. The fastener secures the firmness adjustment layers, ensuring they remain in place during transport. When in use, the user only needs to release the fastener to adjust the order of the layers, thereby changing the sleeping comfort.

[0010] In one preferred embodiment, the hardness adjustment layer includes a soft layer, a medium layer, and a hard layer.

[0011] In a preferred embodiment, the indentation hardness of the soft layer is less than 80N, the indentation hardness of the medium layer is at least 80N and less than 150N, and the indentation hardness of the hard layer is at least 150N. These indentation hardness settings provide a suitable and clear distinction in the sleeping feel of the soft, medium, and hard layers, allowing users to adjust the order of the soft and hard layers to their preferred comfort level.

[0012] In a preferred embodiment, the glue-free adjustable firmness mattress also includes a steel edging and straps. The steel edging has two layers, and the upper and lower parts of the outermost pocket springs in the pocket spring assembly are fixedly connected to the upper and lower layers of the steel edging, respectively. The straps are fixed to the steel edging, binding the pocket spring assembly and restricting its displacement and deformation. The binding of the pocket spring assembly by the straps prevents the pocket spring assembly from shifting or deforming due to aging, making the elasticity of the glue-free adjustable firmness mattress more stable during use.

[0013] As a preferred embodiment, the glue-free adjustable mattress also includes an inner cover, which comprises a top mesh, a bottom mesh, and an inner cover border. The top mesh and bottom mesh are fixed above and below the inner cover border, respectively. The pocket spring assembly and edge protectors are housed within the space formed by the top mesh, bottom mesh, and inner cover border. The inner cover provides protection for the glue-free core, making the mattress more durable and less prone to damage.

[0014] As a further preferred embodiment, the top and bottom mesh fabrics have raised hexagonal patterns, increasing the surface friction between the top mesh fabric and the firmness adjustment layer. During user use, the increased surface friction makes the firmness adjustment layer less prone to lateral slippage, resulting in a more stable mattress structure and a better sleeping experience for the user.

[0015] As a further preferred embodiment, the glue-free dual-sleep mattress also includes an upper layer with a fiber material as the top fabric.

[0016] In one preferred embodiment, the edge protector includes four edge protector strips, which are tenoned together to form a closed rectangle.

[0017] As a further preferred embodiment, the edge protector also includes a corner fixing sleeve, which is fitted onto the tenon joint of two adjacent edge protector strips.

[0018] Compared with the prior art, the advantages of this utility model are:

[0019] This utility model discloses a glue-free adjustable mattress. Its core uses ultrasonic welding to fuse pocket springs into one piece, so that the core can be connected with springs without glue. Based on the glue-free core, this utility model of a glue-free adjustable mattress also has an adjustable layer inside the mattress that can change the user's softness and firmness by fixing it with glue. By adjusting the upper and lower order of the adjustable layer, the user can change the softness and firmness during sleep. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of the glue-free adjustable firmness mattress according to an embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the glue-free core according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of the bag spring assembly according to an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the soft-hard adjustment layer according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the glue-free core according to an embodiment of the present invention;

[0025] Figure 6 This is a partially enlarged view of the edge protector according to an embodiment of the present utility model;

[0026] Figure 7 This is a schematic diagram of the inner sleeve in an embodiment of the present utility model.

[0027] Figure label:

[0028] 1-Top layer, 101-Zipper, 2-Adjustable layer, 201-Soft layer, 202-Medium layer, 203-Hard layer, 3-Glue-free core, 301-Pocket spring assembly, 3011-Pocket spring, 3012-Welded section, 302-Edge guard, 3021-Edge steel, 303-Strap, 3031-Nail gun, 304-Corner fixing sleeve, 305-Intermediate fixing sleeve, 3051-Nail gun, 4-Edge, 401-Zipper, 5-Bottom layer, 6-Inner sleeve, 601-Network fabric, 602-Lower network fabric, 603-Inner sleeve edging. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0030] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The following description with reference to the accompanying drawings is provided to aid in understanding exemplary embodiments of the present invention as defined by the claims and their equivalents. It includes various specific details to aid understanding, but these are to be considered exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. Furthermore, to make the specification clearer and more concise, detailed descriptions of functions and structures well known in the art will be omitted.

[0031] Example 1:

[0032] This embodiment provides a glue-free mattress with adjustable firmness, such as... Figure 1 As shown, the mattress includes a top layer 1, several firmness adjustment layers 2, a non-adhesive core 3, a bottom layer 5, and a surrounding edge 4. The non-adhesive core 3 is located inside the mattress, the firmness adjustment layers 2 are positioned above the non-adhesive core 3, and the surrounding edge 4 is located on the sides of the firmness adjustment layers 2 and the non-adhesive core 3. The top layer 1 and the bottom layer 5 are located above and below the mattress, respectively. Together, the top layer 1, the bottom layer 5, and the surrounding edge 4 create a space within the mattress to accommodate the firmness adjustment layers 2 and the non-adhesive core 3.

[0033] Zippers are provided around the top and bottom of the edging 4 and the upper layer 1. When the zipper 401 of the edging 4 and the zipper 101 of the upper layer 1 are engaged, the softness-hardness adjustment layer 2 and the glue-free core 3 are inserted between the upper layer 1, the lower layer 5 and the edging 4. When the zipper is opened, the softness-hardness adjustment layer 2 can be taken out or adjusted.

[0034] The upper layer 2 is made of one or more of the following: moisture-wicking fibers, bamboo fibers, and Tencel fibers, providing a good sleeping feel and having a breathable and moisture-wicking effect.

[0035] See the structural schematic diagram of the glue-free core 3. Figure 2 It consists of a pocket spring assembly 301 and a protective edge 302 surrounding the pocket spring assembly 301.

[0036] Specifically, the structure of the pocket spring assembly 301 is described in [reference needed]. Figure 3Each pocket spring 3011 includes a bag body and a spring inserted into the bag body. Two sheet-like welded portions 3012 extend vertically from both sides of the bag body, and these two welded portions 3012 are symmetrically arranged. Multiple pocket springs 3011 are arranged in a straight line and staggered at two different angles, so that the welded portions 3012 of adjacent pocket springs 3011 are alternately attached to the front and rear of the pocket spring string, respectively. Then, ultrasonic welding is used to connect the attached welded portions 3012 together to form a single pocket spring string.

[0037] Multiple bagged springs Figure 3 The pocket springs are arranged side-by-side, with the welded portions 3012 of two adjacent pocket spring strings touching. Since the pocket springs 3011 are connected in two alternating angles to form pocket spring strings, and each has a welded portion 3012 at both the front and back, each pocket spring string has a welded portion 3012 touching with its adjacent pocket spring strings. By using ultrasonic welding to weld the welded portions 3012 of adjacent pocket spring strings together, multiple pocket spring strings can be combined into a rectangular pocket spring assembly without adhesive bonding.

[0038] like Figure 1 As shown, the softness-hardness adjustment layer 2 is composed of multiple layers of plates with different hardness. In this embodiment, the softness-hardness adjustment layer 2 includes three layers of plates, namely a soft layer 201, a medium layer 202 and a hard layer 203. The indentation hardness of the soft layer is less than 80N, the indentation hardness of the medium layer is at least 80N and less than 150N, and the indentation hardness of the hard layer is at least 150N.

[0039] By selecting different hardnesses for each layer of the softness-hardness adjustment layer 2 and changing the top-to-bottom order of the layers, the softness-hardness adjustment layer 2 can provide users with different sleeping sensations. For example, in this embodiment, the layers are set from top to bottom as a soft layer, a medium layer, and a hard layer, which allows users to obtain the softest sleeping sensation.

[0040] Multiple panels are pierced using nail guns 204 to fix their relative positions. Furthermore, the nail guns 204 are made of plastic I-beams, which are easy to cut, making it easier to disassemble the layers of the hardness adjustment layer 2.

[0041] See Figure 2 , Figure 5 and Figure 6 The glue-free adjustable mattress of this embodiment is also provided with straps 303 arranged in two crisscross directions, and the edge protector 302 also includes a rim steel 3021 surrounding the pocket spring assembly 301.

[0042] Specifically, the edging steel 3021 has two layers, upper and lower. Both the upper and lower layers of the edging steel 3021 have straps 303 arranged crisscrossing in two directions and secured with nails 3031. A certain interval is maintained between the upper and lower layers of straps 303, and the pocket spring assembly 301 is sandwiched between the two layers of straps 303. By binding the pocket spring assembly 301 with the upper and lower layers of straps, the displacement and deformation of the pocket spring assembly 301 are restricted, thereby preventing deformation or misalignment of the spring due to long-term use.

[0043] In this embodiment, the glue-free adjustable mattress uses ultrasonic welding to fuse the pocket springs 301 into a single unit, allowing the core to be connected without glue. Based on the glue-free core 3, the glue-free adjustable mattress of this invention is also assembled as a whole using a glue-free fixing method, and a firmness adjustment layer 2 is set inside the mattress to change the user's firmness sensation. By adjusting the upper and lower order of the firmness adjustment layer 2, the user can change the firmness sensation during sleep.

[0044] Example 2:

[0045] The glue-free, adjustable-firm mattress of this embodiment differs from other embodiments in that:

[0046] Please see Figure 7 The glue-free adjustable mattress of this embodiment also includes an inner cover 6, which includes a top mesh 601, a bottom mesh 602, and an inner cover edging 603. The center of the inner cover edging 603 is cut out. The edge of the top mesh 601 is sewn together with the edge of the cutout on the upper surface of the inner cover edging 603, and the edge of the bottom mesh 602 is sewn together with the cutout on the lower surface of the inner cover edging 603. The glue-free core 3 is inserted into the top mesh 601, the bottom mesh 602, and the inner cover edging 603. The firmness adjustment layer 2 is placed on top of the inner cover 6 and together with the inner cover 6 is inserted into the accommodating space formed by the upper layer 1, the lower layer 5, and the edging 4.

[0047] In this embodiment, the upper mesh 601 and lower mesh 602 are composed of mesh fabric with hexagonal holes cut out. The edge of each hexagonal hole protrudes upward, forming a textured surface with high friction on the upper and lower surfaces of the inner sleeve 6. The inner sleeve 6 provides protection for the adhesive-free core 3 inserted inside it, and the high friction applied by the mesh 601 of the inner sleeve 6 to the stiffness adjustment layer 2 prevents the stiffness adjustment layer 2 from slipping.

[0048] Example 3:

[0049] The glue-free, adjustable-firm mattress of this embodiment differs from other embodiments in that:

[0050] Please see Figure 5 and Figure 6In this embodiment, the edge protector of the glue-free adjustable mattress consists of four edge protectors connected end to end at a 90-degree angle to form a closed rectangular edge protector 302. The ends of adjacent edge protectors are tenoned, eliminating the need for glue at the joints.

[0051] A middle fixing sleeve 305 is fixed on the edge guard 302 at intervals. The middle fixing sleeve 305 wraps around the edge guard 302 from the outside and is fixed to the edging steel 3021 by the nail gun 3051, thus wrapping the edge guard 302 and restricting the edge guard 302 around the edging steel 3021.

[0052] A corner fixing sleeve 304 is provided on the edge guard 302. The corner fixing sleeve 304 is fitted onto the tenon joint of two adjacent edge guard strips. Specifically, the middle part of the corner fixing sleeve 304 is bent into a 90-degree angle, and its two sides are fixed to the edging steel 3021 with nails. The corner fixing sleeve 304 is fastened to the outside of the edge guard 302, restricting the joint of two adjacent edge guard strips to the outside of the corner of the edging steel 3021, so that the edge guard 302 surrounds and fits tightly against the edging steel 3021, forming an outer frame that protects the edging steel 3021.

[0053] The above description is merely an exemplary embodiment of this disclosure and should not be construed as limiting the scope of this disclosure. Any equivalent changes and modifications made in accordance with the teachings of this disclosure shall still fall within the scope of this disclosure. Those skilled in the art will readily conceive of other embodiments of this disclosure upon considering the specification and practicing the disclosure herein. This invention is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not described herein. The specification and embodiments are to be considered exemplary only, and the scope and spirit of this disclosure are defined by the claims.

Claims

1. A glue-free, adjustable-firm mattress, characterized in that, Includes a top layer (1), several softness-hardness adjustment layers (2), a glue-free core (3), a perimeter (4), and a bottom layer (5); The hardness of each of the several soft-hardness adjustment layers (2) is different, and they are stacked one on top of the other; the glue-free core (3) includes a bag spring assembly (301) and a protective edge (302) provided around the bag spring assembly (301), the bag spring assembly (301) includes several bag springs ultrasonically welded together; the surrounding edge (4) is provided around the glue-free core (3); The top layer (1) and the surrounding edge (4) are provided with matching zippers, and the bottom layer (5) is located at the bottom of the surrounding edge (4). When the zipper is closed, the plurality of soft and hard adjustment layers (2) and the glue-free core (3) are sealed between the top layer (1), the surrounding edge (4) and the bottom layer (5).

2. The glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The fastener passes through the plurality of soft and hard adjustment layers (2) and fixes the plurality of soft and hard adjustment layers (2) together.

3. The glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The soft-hardness adjustment layer (2) includes a soft layer, a medium layer and a hard layer.

4. The glue-free, adjustable-firm mattress as described in claim 3, characterized in that, The indentation hardness of the soft layer is less than 80N, the indentation hardness of the moderate layer is at least 80N and less than 150N, and the indentation hardness of the hard layer is at least 150N.

5. The glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The glue-free core (3) also includes a edging steel (3021) and a strap (303). The edging steel (3021) has two layers, and the upper and lower parts of the outermost pocket spring in the pocket spring assembly (301) are fixedly connected to the upper and lower layers of the edging steel (3021), respectively. The strap (303) is fixed to the edging steel (3021), binds the pocket spring assembly (301), and restricts the displacement and deformation of the pocket spring assembly (301).

6. The glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The glue-free adjustable mattress also includes an inner cover (6), which includes a top mesh (601), a bottom mesh (602), and an inner cover edge (603). The top mesh (601) and the bottom mesh (602) are fixed above and below the inner cover edge (603), respectively. The pocket spring assembly (301) and the edge protector (302) are arranged in the accommodating space formed by the top mesh (601), the bottom mesh (602), and the inner cover edge (603).

7. A glue-free, adjustable-firm mattress as described in claim 6, characterized in that, The upper mesh (601) and the lower mesh (602) have raised hexagonal patterns, which increases the surface friction of the upper mesh (601) on the softness-hardness adjustment layer (2).

8. The glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The upper fabric of the upper layer (1) is one or more of the following: moisture-wicking fiber, bamboo fiber, and Tencel fiber.

9. A glue-free, adjustable-firm mattress as described in claim 1, characterized in that, The edge protector (302) includes four edge protector strips (305), which are tenoned together to form a closed rectangle.

10. A glue-free, adjustable-firm mattress as described in claim 9, characterized in that, The edge protector (302) also includes a corner fixing sleeve (304), which is fitted onto the tenon joint of two adjacent edge protector strips (305).

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