Mattress and electric bed

Abstract

The present invention discloses a mattress and an electric bed, wherein the mattress comprises a first flexible layer, a second flexible layer, and a supporting assembly. The second flexible layer comprises a first flexible pad and a second flexible pad, both of which are connected to the first bottom surface of the first flexible layer. The first flexible pad and the second flexible pad are spaced apart along the length direction of the mattress, forming a spacing space therebetween. The supporting assembly is arranged in the spacing space, and the supporting assembly comprises a flexible sheet connected to the first flexible layer and / or the second flexible layer, and a flexible support body whose two ends are respectively connected to the first flexible layer and the flexible sheet. When the mattress of the present invention is deformed, the supporting assembly can effectively support the first flexible layer, so that the mattress has a better supporting effect on the human body.

Description

Technical Field

[0001] The present invention relates to the technical field of bedding, and in particular to a mattress and an electric bed. Background Art

[0002] Electric beds offer electrically controlled height adjustment at the head or foot of the bed, as well as adjustable bend. A key feature of electric beds is the ability to lift certain sections of the bed to adjust the user's posture. These raised sections are often connected by hinges, which act as pivot points for rotation. This can cause compression and tension on the sleeper's body during lifting and lowering, impacting comfort and potentially causing the user to wake up midsleep.

[0003] According to the inventor's research, if one of the two adjacent bed boards gradually moves away from the other bed board during the rotation relative to the other bed board, for example, if the bed board rotates around a virtual rotation axis higher than the bed surface, the problem of squeezing and pulling the sleeper's body when the bed board is lifted or lowered can be improved, greatly improving comfort.

[0004] However, this also presents some problems. For example, the mattress on the bed board will stretch in the direction the two adjacent bed boards are separated, especially in the part of the mattress away from the bed surface. This not only tears the mattress but also causes the support to collapse at the turning point. Since the most important turning point corresponds to the human waist, this structure will not provide support for the user's waist, resulting in poor comfort.

[0005] Therefore, it is necessary to improve the prior art to overcome the above defects. Summary of the Invention

[0006] The object of the present invention is to provide a mattress and an electric bed, wherein the mattress has better support during the process of shape change.

[0007] To achieve the above-mentioned object of the invention, the present invention provides a mattress, comprising:

[0008] a first flexible layer;

[0009] a second flexible layer comprising a first flexible pad and a second flexible pad, both connected to the first bottom surface of the first flexible layer, the first flexible pad and the second flexible pad being spaced apart along the length of the mattress with a space formed therebetween, and a distance between the second flexible pad and the first flexible pad increasing as the second flexible pad tilts relative to the first flexible pad; and

[0010] A supporting assembly is provided in the interval space, and the supporting assembly includes a flexible sheet connected to the first flexible layer and / or the second flexible layer, and a flexible support body with two ends respectively connected to the first flexible layer and the flexible sheet.

[0011] Furthermore, the flexible sheet includes a first connection portion connected to the first flexible layer and / or the second flexible layer and a second connection portion connected to the flexible support body, and the first connection portion is closer to the first flexible layer than the second connection portion.

[0012] Furthermore, the first connection portion is connected between the upper surface of the second flexible layer and the first bottom surface of the first flexible layer; or, the first connection portion is connected to a first side surface of the first flexible pad or the second flexible pad facing the spacing space.

[0013] Furthermore, the second connecting portion is connected to the second side surface of the flexible support body and / or to the first lower surface of the flexible support body.

[0014] Furthermore, the flexible sheet includes two first connecting portions at both ends thereof, and the second connecting portion is located between the two first connecting portions.

[0015] Furthermore, the first connection portion and the second connection portion are respectively located at two ends of the flexible sheet, the mattress comprises at least two flexible sheets, and the first connection portions of the two flexible sheets are respectively located on two sides of the flexible support body.

[0016] Furthermore, the flexible support body is used to support the waist of a human body, the width L1 of the interval space is 5 to 20 cm, and the width L2 of the flexible support body is 3 to 15 cm.

[0017] Furthermore, when the mattress is in a flat state, the bottom of the supporting assembly is flush with the second lower surface of the second flexible layer.

[0018] In another aspect, the present invention provides an electric bed, comprising:

[0019] A mattress as described in any one of the above items; and

[0020] A bed frame comprising a first bed board and a second bed board movably connected to the first bed board, wherein the second bed board gradually moves away from the first bed board during a process of tilting relative to the first bed board;

[0021] Wherein, the first flexible pad and the second flexible pad are connected to the first bed board and the second bed board respectively.

[0022] Furthermore, the bed frame includes a base and a first connecting rod, the first connecting rod is hinged to the base and the left end of the first bed board, the first bed board includes a connecting shaft movably connected to the base, when the second bed board is tilted, the connecting shaft moves along an arc trajectory toward the side where the second bed board is located, and during the movement, the distance between the connecting shaft and the second bottom surface of the base first decreases and then increases;

[0023] The bed frame also includes a second link hinged to the second bed board and the base, a third link hinged to the first link and the second link, and a fourth link hinged to the second bed board and the third link respectively. The hinge point between the third link and the first link and the hinge point between the third link and the fourth link are respectively located on both sides of the hinge point between the second link and the third link.

[0024] Compared with the prior art, the present invention has the following beneficial effects: by disposing a first flexible pad and a second flexible pad spaced apart below a first flexible layer, and a support assembly located between the two flexible pads, the support assembly comprising a flexible sheet and a flexible support body. During relative rotation between the first and second flexible pads, the flexible sheet is stretched and tensioned, pressing the flexible support body against the first flexible layer, thereby increasing the load-bearing capacity of the first flexible layer in that portion. This results in better overall support for the human body during the mattress's deformation process, and enhanced user comfort. When the position of the flexible support body corresponds to the human waist, it can better support the waist, promoting waist health. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 2 is a schematic cross-sectional view of a mattress in Example 1 of the present invention.

[0026] Figure 2 yes Figure 1 The diagram shows a mattress tilted at an angle.

[0027] Figure 3 yes Figure 1 Enlarged view of part I in the middle.

[0028] Figure 4 It is a schematic cross-sectional view of the mattress in Example 2 of the present invention.

[0029] Figure 5 2 is a schematic cross-sectional view of a mattress in Example 3 of the present invention.

[0030] Figure 6 2 is a schematic cross-sectional view of a mattress in Example 4 of the present invention.

[0031] Figure 7 It is a schematic cross-sectional view of a mattress in Example 5 of the present invention.

[0032] Figure 8 is a cross-sectional view of a flexible support body according to an embodiment of the present invention.

[0033] Figure 9 It is a schematic structural diagram of a bed frame of an electric bed according to one embodiment of the present invention.

[0034] Figure 10 yes Figure 9 The diagram shows a bed frame tilted at a certain angle.

[0035] Figure 11 yes Figure 10 Enlarged view of part II.

[0036] Figure 12 yes Figure 10 Enlarged view of part III.

[0037] Figure 13 It is a schematic diagram of the connection between the base and the first bed board in one embodiment of the present invention. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some, rather than all, structures related to the present application are shown in the accompanying drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0039] As used herein, the terms "comprise," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to the process, method, product, or apparatus.

[0040] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute a separate or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0041] like Figures 1 to 8As shown, the present invention provides a mattress, which includes a first flexible layer 1, a second flexible layer 2 and a supporting component 3.

[0042] The first flexible layer 1 is located above the second flexible layer 2. When the mattress is in use, the first flexible layer 1 is closer to the human body than the second flexible layer 2. The first flexible layer 1 and the second flexible layer 2 are both made of flexible materials, such as sponge (preferably polyester sponge), latex, etc.

[0043] The second flexible layer 2 is supported below the first flexible layer 1 and includes a first flexible pad 20 and a second flexible pad 21 connected to the first bottom surface 10 of the flexible layer 1. The first flexible pad 20 and the second flexible pad 21 are spaced apart along the length direction of the mattress, forming a spacing space 22 therebetween.

[0044] In one embodiment, the second flexible layer 2 is integrally formed with the first flexible layer 1. In this case, the second flexible layer 2 and the first flexible layer 1 are made of the same material, and the space 22 can be understood as being cut out of the thicker flexible layer. In another embodiment, the second flexible layer 2 and the first flexible layer 1 are separate layers that are interconnected. In this case, the second flexible layer 2 and the first flexible layer 1 can be made of the same or different materials. It is understood that the first flexible layer 1 and the second flexible layer 2 do not necessarily need to be made of a single material. For example, the first flexible layer 1 and the second flexible layer 2 can include a core of sponge or latex and a fabric covering the core.

[0045] The second flexible layer 2 can increase the overall thickness of the mattress, improve the support capacity of the mattress, and make the mattress softer and more comfortable when used.

[0046] The supporting assembly 3 is disposed in the spacing space 22 and includes a flexible sheet 30 connected to the first flexible layer 1 and / or the second flexible layer 2 and a flexible support body 31 with two ends respectively connected to the first flexible layer 1 and the flexible sheet 30 .

[0047] When the mattress is installed on the electric bed, the first flexible pad 20 and the second flexible pad 21 are connected to the two bed boards of the electric bed respectively. Figure 9 , Figure 9 The electric bed shown in FIG includes a first bed board 51 and a second bed board 52. When the second bed board 52 is tilted relative to the first bed board 51, the second bed board 52 is simultaneously away from the first bed board 51. For example, the second bed board 52 rotates around a virtual rotation axis that is higher than the upper surface of the bed frame. Figure 10 , Figure 10The diagram shows the second bed board 52 tilted to a certain angle. At this point, the distance D1 between the two bed boards is greater than the distance D0 when the second bed board 52 is not tilted. The first and second flexible pads 20, 21 are fixedly connected to the first and second bed boards 51, 52, respectively. Therefore, as the mattress tilts with the bed board, the second flexible pad 21 tilts relative to the first flexible pad 20, and the distance between the first and second flexible pads 20, 21 gradually increases. This reduces the pressure and tension on the sleeper's body during changes in the mattress's posture, resulting in improved comfort.

[0048] Understandably, the reference Figure 2 During the process of the mattress tilting, the distance between the first flexible pad 20 and the second flexible pad 21 gradually increases, and the closer to the bottom of the flexible pad, the greater the increase in distance during the tilting process. During the process of the two flexible pads separating, the flexible sheet 30 will be stretched and tensioned, and its suspended portion will be pulled toward the first flexible layer 1, thereby lifting the flexible support body 31 to support the first flexible layer 1. This makes it possible for the flexible support body 31 to provide stronger support for the first flexible layer 1 during the mattress tilting process. When the position of the flexible support body 31 corresponds to the human waist, it can effectively support the waist. Moreover, as the tilting angle increases, the flexible support body 31's support for the waist becomes stronger, greatly improving the comfort of the mattress during use and promoting waist health.

[0049] In addition, since the second flexible layer 2 is configured to include the first flexible pad 20 and the second flexible pad 21 that are spaced apart, the second flexible layer 2 will not be subjected to severe pulling during the warping process, which is beneficial to reducing damage thereto and increasing its service life.

[0050] It is understood that since the first flexible layer 1 will be stretched and deformed during mattress deformation, it is preferred that at least the portion 1a of the first flexible layer 1 corresponding to the space 22 be made of a flexible material with good stretch resistance and good elasticity, so that it can return to its original shape when the mattress returns to a horizontal state. The portion 1a of the first flexible layer 1 corresponding to the space 22 can be made of the same material as or different from the material of the other portions of the first flexible layer 1.

[0051] The flexible support body 31 is used to support the first flexible layer 1 and further support the waist of the human body, and its material can be, for example, sponge, latex, TPE, etc. The material of the flexible sheet 30 is preferably cloth, for example, nylon cloth.

[0052] like Figures 3 to 7As shown, the flexible sheet 30 includes a first connecting portion 300 connected to the first flexible layer 1 and / or the second flexible layer 2, and a second connecting portion 301 connected to the flexible support body 31. To improve the support capability of the flexible support body 31 on the first flexible layer 1, the first connecting portion 300 is closer to the first flexible layer 1 than the second connecting portion 301, that is, the second connecting portion 301 is located below the first connecting portion 300. In this way, when the mattress is tilted, the second connecting portion 301 can reliably move toward the first flexible layer 1, so that the flexible support body 31 is pressed against the first flexible layer 1.

[0053] As a preferred embodiment, the flexible support body 31 is used to support the human waist. The width L1 of the spacing space 22 is set to 5 to 20 cm, and the width L2 of the flexible support body 31 is set to 3 to 15 cm. Within this numerical range, the width of the flexible support body 31 is more appropriate and can provide good support for the human waist. Preferably, the width L2 of the flexible support body 31 is 1 to 2 cm shorter than the width L1 of the spacing space 22. This setting can provide effective support for the human body, reduce the hanging part of the human body, and improve comfort. For example, in one embodiment, the width L1 of the spacing space 22 is set to 10 cm, and the width L2 of the flexible support body 31 is 8 cm.

[0054] In a preferred embodiment, when the mattress is in a flat position, the bottom of the support assembly 3 is flush with the second lower surface 23 of the second flexible layer 2. Since the bedboard of the electric bed is generally horizontal in its initial state, when the mattress is in a flat position, the first flexible pad 20, the second flexible pad 21, and the flexible support body 31 are all supported by the bedboard, making the overall support force of the mattress more uniform and comfortable for the human body.

[0055] As a preferred embodiment, when the mattress is in a flat state, the flexible sheet 30 is tensioned and has a certain pre-tensioning force. On the one hand, it can increase the supporting force of the flexible support body 31 when it is in a flat state. On the other hand, it can make the support component 3 more sensitive to the rising of the mattress during the process of the mattress rising.

[0056] The cross-sectional shape of the flexible support 31 is not limited, and can be, for example, rectangular, trapezoidal, triangular, circular or elliptical. Figure 8 The flexible support body 31 is preferably formed by wrapping a flexible material 313 with a cloth layer 312 , for example, by wrapping a sponge with a cloth layer 312 .

[0057] When the first flexible layer 1 and the second flexible layer 2 are connected, the first bottom surface 10 of the first flexible layer 1 and the upper surface 24 of the second flexible layer 2 are in contact with each other. The upper surface 24 of the second flexible layer 2 is the upper surface of the first flexible pad 20 and the second flexible pad 21. The first flexible pad 20 and the second flexible pad 21 have a first side surface 25 facing the separation space 22. The first side surfaces 25 of the two flexible pads 20 are arranged opposite to each other. The first connecting portion 300 can be connected between the upper surface 24 of the second flexible layer 2 and the first bottom surface 10 (refer to FIG. Figure 3 ), or the first connecting portion 300 is connected to the first side surface 25 of the first flexible pad 20 or the second flexible pad 21 facing the space 22 (reference Figure 4 Alternatively, the first connection portion 300 is only connected to the first bottom surface 10. The second connection portion 301 is connected to the first lower surface 311 of the flexible support body 31 (refer to Figure 3 ), or the second connecting portion 301 is connected to the second side surface 310 of the flexible support body 31 (refer to Figure 7 ), or the second connection portion 301 is connected to both the first lower surface 311 and the second side surface 310 of the flexible support 31. The following describes the connection structure of the flexible sheet 30 with the first flexible layer 1, the second flexible layer 2 and the flexible support 31 using several embodiments as examples.

[0058] Example 1

[0059] In Example 1, reference Figure 3 The first connection portion 300 of the flexible sheet 30 is connected between the upper surface 24 of the second flexible layer 2 and the first bottom surface 10 of the first flexible layer 1. The connection method can be, for example, sewing, bonding, or connecting by Velcro. The second connection portion 301 is connected to the first lower surface 311 of the flexible support body 31. In this embodiment, the flexible sheet 30 includes two first connection portions 300 located at its two ends, and the second connection portion 301 is located between the two first connection portions 300. Preferably, the flexible sheet 30 is symmetrically arranged. The middle part of the flexible sheet 30 is concave, and the flexible support body 31 is located in the concave part of the flexible sheet 30. Its two ends can respectively abut against the first flexible layer 1 and the second connection portion 301, or be fixedly connected to the first flexible layer 1 and the second connection portion 301 by sewing, bonding, Velcro, etc.

[0060] refer to Figure 2 , Figure 2 A schematic diagram of the mattress after being tilted at a certain angle is shown. It can be seen from the figure that due to the increase in the distance between the first flexible pad 20 and the second flexible pad 21, the flexible sheet 30 is stretched, and its second connecting portion 301 drives the flexible support body 31 to move toward the first flexible layer 1, causing the first flexible layer 1 to bulge, thereby increasing the support strength for the waist.

[0061] Example 2

[0062] refer to Figure 4 The difference between Example 2 and Example 1 is that the two first connecting portions 300 of the flexible sheet 30 are respectively connected to the first side 25 of the first flexible pad 20 and the first side 25 of the second flexible pad 21. Because the distance between the bottoms of the two first connecting portions 300 and the first flexible layer 1 is greater than the distance between the first connecting portions 300 and the first flexible layer 1 in Example 1, the flexible sheet 30 in Example 2 undergoes greater deformation during the mattress warping process, and thus has stronger supporting force.

[0063] Example 3

[0064] refer to Figure 5 The difference between Example 3 and Example 1 is that the cross-sectional shape of the flexible support member 31 is roughly an inverted triangle, which completely fills the space between the flexible sheet 30 and the first flexible layer 1, fits more fully with the first flexible layer 1, and provides more comprehensive support.

[0065] Example 4

[0066] refer to Figure 6 In Example 4, the first connecting portion 300 and the second connecting portion 301 are respectively located at the two ends of the flexible sheet 30. The mattress includes at least two flexible sheets 30, and the flexible support body 31 is connected by the two flexible sheets 30 located on both sides. The first connecting portion 300 of the two flexible sheets 30 is connected between the upper surface 24 of the second flexible layer 2 and the first bottom surface 10 of the first flexible layer 1, and the second connecting portion 301 is connected to the first lower surface 311 of the flexible support body 31.

[0067] Example 5

[0068] refer to Figure 7 The difference between Example 5 and Example 4 is that the connection position of the flexible sheet 30 in Example 5 is different. In Example 5, the first connection portion 300 of the flexible sheet 30 located on the left side of the flexible support body 31 is connected to the first side 25 of the second flexible pad 21, and the second connection portion 301 is connected to the second side 310 on the left side of the flexible support body 31. The first connection portion 300 of the flexible sheet 30 located on the right side of the flexible support body 31 is connected to the first side 25 of the first flexible pad 20, and the second connection portion 301 is connected to the second side 310 on the right side of the flexible support body 31.

[0069] The present invention also provides an electric bed, which includes a bed frame and the mattress described above.

[0070] refer to Figure 9The bed frame includes a base 50, a first bed board 51, and a second bed board 52. The first bed board 51 is movably connected to the base 50, and the second bed board 52 is movably connected to both the base 50 and the first bed board 51. The first flexible pad 20 is connected to the first bed board 51, and the second flexible pad 21 is connected to the second bed board 52. When the electric bed is deformed, the two flexible pads move with the movement of the bed boards. Specifically, when the second bed board 52 is tilted relative to the first bed board 51, the second bed board 52 gradually moves away from the first bed board 51. Figure 9 , Figure 9 The schematic diagram of the electric bed is shown in a horizontal state. At this time, the distance between the first bed board 51 and the second bed board 52 is D0. When the second bed board 52 is tilted to a certain angle, the reference Figure 10 , the distance between the first bed board 51 and the second bed board 52 increases to D1. As mentioned above, since the mattress is provided with the support assembly 3, the support assembly 3 can effectively support the first flexible layer 1 during the deformation of the electric bed, providing better support for the human body and more comfortable use.

[0071] As a preferred embodiment, the first bed plate 51 and the second bed plate 52 are separated from each other by a linkage mechanism during the tilting process. Figure 11 The linkage mechanism includes a first connecting rod 60 connected between the base 50 and the first bed board 51, and the two ends of the first connecting rod 60 are hinged to the base 50 and the left end of the first bed board 51 respectively.

[0072] refer to Figure 12 and Figure 13 The first bed plate 51 is provided with an extension plate portion 510 extending toward the base 50 and a connecting shaft 511 provided at the lower end of the extension plate portion 510. The connecting shaft 511 is used to connect to the base 50. The base 50 is provided with an arc-shaped arc hole 500. The connecting shaft 511 is passed through the arc hole 500 and can move along the arc hole 500. Obviously, the shape of the arc hole 500 can limit the movement trajectory of the connecting shaft 511. By controlling the size and shape of the arc hole 500, the connecting shaft 511 can be moved along a preset arc trajectory. Figure 12 In the embodiment, the centerline 501 of the arc-shaped hole 500 is arc-shaped, with the distance between its ends and the second bottom surface 502 of the base 50 greater than the distance between the bottom of the centerline 501 and the second bottom surface 502 of the base 50. When the connecting shaft 511 moves, it moves along the centerline 501, which can be considered as its arc trajectory. A bearing 512 is provided on the connecting shaft 511. The bearing 512 forms a clearance fit with the arc-shaped hole 500, allowing the bearing 512 to roll during movement, reducing wear and extending service life. This also reduces noise and improves smoothness of movement.

[0073] refer to Figure 10 and Figure 11 The linkage mechanism further includes a second link 70 hinged at both ends to the second bed board 52 and the base 50, a third link 71 hinged at both ends to the first link 60 and the second link 70, and a fourth link 72 hinged at both ends to the second bed board 52 and the third link 71. The two hinge points 70a and 70b between the second link 70 and the second bed board 52 and the base 50 are located on either side of a hinge point 70c between the second link 70 and the third link 71, preferably at both ends of the second link 70. The two hinge points 71a and 71b between the third link 71 and the first link 60 and the fourth link 72 are located on either side of a hinge point 70c between the third link 71 and the second link 70, preferably at both ends of the third link 71. Further preferably, the hinge point 70c between the second link 70 and the third link 71 is located in the middle of the two links.

[0074] Obviously, by controlling the distance between the hinge points, the angle, speed and distance of the second bed board 52 relative to the first bed board 51 during the change of the bed frame state can be controlled.

[0075] By cooperating with the connecting rods of the aforementioned linkage mechanism, the distance between the two bed boards gradually increases as the second bed board 52 tilts relative to the first bed board 51. This reduces the sense of pressure on the human body during the tilting process. Combined with the aforementioned mattress, the electric bed can maintain reliable support for the human body throughout the changes in position, making it more comfortable to use. Even if the electric bed changes position after the user falls asleep, it is unlikely to wake the user, thereby ensuring a better sleep quality.

[0076] The above is only a specific embodiment of the present invention, and any other improvements made based on the concept of the present invention are considered to be within the protection scope of the present invention.

Claims

1. A mattress, characterized in that: include: a first flexible layer (1); a second flexible layer (2), comprising a first flexible pad (20) and a second flexible pad (21), both connected to the first bottom surface (10) of the first flexible layer (1), the first flexible pad (20) and the second flexible pad (21) being spaced apart along the length direction of the mattress, with a spacing space (22) formed therebetween; and A supporting assembly (3) is provided in the spacing space (22), the supporting assembly (3) comprising a flexible sheet (30) connected to the first flexible layer (1) and / or the second flexible layer (2), and a flexible support body (31) having two ends respectively connected to the first flexible layer (1) and the flexible sheet (30), wherein the flexible sheet (30) is made of cloth; During the process of the second flexible pad (21) tilting relative to the first flexible pad (20), the distance between the second flexible pad (21) and the first flexible pad (20) increases, and during the process of the first flexible pad (20) and the second flexible pad (21) separating, the flexible sheet (30) will be stretched and tensioned, and its suspended portion will be pulled toward the first flexible layer (1), thereby supporting the flexible support body (31) to support the first flexible layer (1).

2. The mattress according to claim 1, wherein The flexible sheet (30) comprises a first connecting portion (300) connected to the first flexible layer (1) and / or the second flexible layer (2), and a second connecting portion (301) connected to the flexible support body (31), wherein the first connecting portion (300) is closer to the first flexible layer (1) than the second connecting portion (301).

3. The mattress according to claim 2, wherein: The first connecting portion (300) is connected between the upper surface (24) of the second flexible layer (2) and the first bottom surface (10) of the first flexible layer (1); or, the first connecting portion (300) is connected to the first side surface (25) of the first flexible pad (20) or the second flexible pad (21) facing the spacing space (22).

4. The mattress according to claim 2, wherein The second connection portion (301) is connected to the second side surface (310) of the flexible support body (31) and / or to the first lower surface (311) of the flexible support body (31).

5. The mattress according to claim 2, wherein: The flexible sheet (30) comprises two first connecting portions (300) located at both ends thereof, and the second connecting portion (301) is located between the two first connecting portions (300).

6. The mattress according to claim 2, wherein: The first connecting portion (300) and the second connecting portion (301) are respectively located at two ends of the flexible sheet (30); the mattress comprises at least two flexible sheets (30); and the first connecting portions (300) of the two flexible sheets (30) are respectively located on two sides of the flexible support body (31).

7. The mattress according to any one of claims 1 to 6, characterized in that: The flexible support body (31) is used to support the waist of a human body, the width L1 of the interval space (22) is 5 to 20 cm, and the width L2 of the flexible support body (31) is 3 to 15 cm.

8. The mattress according to any one of claims 1 to 6, characterized in that: When the mattress is in a flat state, the bottom of the supporting assembly (3) is flush with the second lower surface (23) of the second flexible layer (2).

9. An electric bed, characterized in that: include: The mattress according to any one of claims 1 to 8; as well as, A bed frame, comprising a first bed board (51) and a second bed board (52) movably connected to the first bed board (51), wherein the second bed board (52) gradually moves away from the first bed board (51) during the process of tilting the second bed board (52) relative to the first bed board (51); Wherein, the first flexible pad (20) and the second flexible pad (21) are connected to the first bed board (51) and the second bed board (52) respectively.

10. The electric bed according to claim 9, wherein: The bed frame includes a base (50) and a first connecting rod (60), the first connecting rod (60) is hinged to the base (50) and the left end of the first bed board (51), the first bed board (51) includes a connecting shaft (511) movably connected to the base (50), and when the second bed board (52) is tilted up, the connecting shaft (511) moves along an arc trajectory toward the side where the second bed board (52) is located, and during the movement, the distance between the connecting shaft (511) and the second bottom surface (502) of the base (50) first decreases and then increases; The bed frame further comprises a second connecting rod (70) hinged to the second bed board (52) and the base (50), a third connecting rod (71) hinged to the first connecting rod (60) and the second connecting rod (70), and a fourth connecting rod (72) hinged to the second bed board (52) and the third connecting rod (71), respectively. The hinge point between the third connecting rod (71) and the first connecting rod (60) and the hinge point between the third connecting rod (71) and the fourth connecting rod (72) are respectively located on both sides of the hinge point between the second connecting rod (70) and the third connecting rod (71).

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