WO2019101177A1

WO2019101177A1 - Mattress

Info

Publication number: WO2019101177A1
Application number: PCT/CN2018/117268
Authority: WO
Inventors: 何杭; 何汉中
Original assignee: 江苏恒爱医疗器械有限公司
Priority date: 2017-11-24
Filing date: 2018-11-23
Publication date: 2019-05-31
Also published as: CN109350405B; CN209695645U; CN109350405A

Abstract

A mattress, comprising: a first mattress part (10) and a second mattress part (20), wherein the first mattress part (10) and the second mattress part (20) may bend relative to each other so as to allow a human body on the mattress to sit up or turn over; and connection parts (31, 32), used to connect the first mattress part (10) to the second mattress part (20), wherein the connection parts (31, 32) may bend along with the bending of the first mattress part (10) and the second mattress part (20) so as to prevent the shifting that occurs when a human body sits up or turns over.

Description

mattress

Technical field

The present disclosure relates to a mattress.

Background technique

During the care of the patient/disabled person, the nursing bed is usually used to perform the action of lifting or turning over, but in these actions, a downward pressing force may be generated on the back of the human body, thereby causing the human body to slide to At the lower end, this stress can cause pain to the patient/disabled person and can also cause bodily harm. Because of this pressure, the patient/disabled person may be reluctant to start or turn over, which may cause complications such as pneumonia and hemorrhoids.

In order to solve such a problem, some solutions are also provided in the prior art, such as setting a retracting structure of the bed backboard, a structure that is lifted during the backing process in the backboard interlayer, and reducing sliding friction between the mattress and the backboard. The structure of force, but these programs do not completely eliminate this pressure.

Summary of the invention

In order to solve at least one of the above technical problems, the present disclosure provides a mattress.

According to an aspect of the present disclosure, a mattress includes: a first mattress portion and a second mattress portion, the first mattress portion and the second mattress portion being capable of being relatively bent so as to be located in the mattress The human body on the mat performs a back or rollover; and a curved portion for connecting the first mattress portion and the second mattress portion, the connecting portion being capable of following the first mattress portion and the The second mattress portion is bent to bend to prevent the body from swaying when it is lifted or turned over.

According to an embodiment of the present disclosure, the bending portion includes a first connecting portion, a second connecting portion, and a co-directional bending portion, the first connecting portion being coupled to the first mattress portion for supporting the first portion a mattress portion, the second connecting portion is connected to the second mattress portion for supporting the second mattress portion, and two ends of the same bending portion and the first connecting portion are respectively The second connecting portion is connected and bent as the bending is performed.

According to an embodiment of the present disclosure, the co-directional bending portion includes two or more sheets for bending, and two or more sheets for bending are disposed to be bendable in the same direction.

According to an embodiment of the present disclosure, the bent portion is provided in two or more sets along the width direction of the mattress.

According to an embodiment of the present disclosure, between the first connection portions of the two or more bending portions or between the second connection portions, elastic bridges are disposed along the width direction of the mattress, and the elastic bridges are respectively different from two or more groups. The first connecting portion or the second connecting portion of the curved portion is connected, and the elastic bridge is provided with a locking member to prevent the first mattress portion from being swayed.

According to an embodiment of the present disclosure, the bent portion is provided with a restricting portion for preventing the sheet for bending from being bent in a direction opposite to the bending direction.

According to an embodiment of the present disclosure, the bent portion further includes an upward rotation restricting portion provided at a contact position between the sheets for bending, or a sheet for bending and the first connecting portion or the second connecting portion a contact position for limiting a rotation angle of the sheet for bending, at a position where the sheet for bending is in contact with the first connecting portion, one end of the upper rotation limiting portion is fixed to The curved piece is on one of the first connecting portions, and the other end is provided with a finite space to limit the rotation angle of the piece for bending, the upper rotation limit at the contact position between the pieces for bending One end of the portion is fixed to one piece for bending, the other end is provided with a limited space to restrict the rotation angle of another piece for bending, and at the position where the piece for bending contacts the second connecting portion, One end of the upper rotation limiting portion is fixed to one of the sheet for bending and the second connecting portion, and the other end is provided with a limit space to limit the rotation angle of the sheet for bending.

According to an embodiment of the present disclosure, the co-directional bending portion is two or more strip-shaped elastic members arranged side by side or an integral elastic plate, and the strip-shaped elastic member or the integral elastic plate can be backed or turned over along the human body. The direction is curved.

According to an embodiment of the present disclosure, further comprising: a longitudinal connector, the two or more strip-shaped elastic members are arranged side by side along the length direction of the mattress, and the longitudinal connector is fixed to the strip-shaped elastic A position near the ends of the piece to connect the ends of the two or more strip-shaped elastic members near the end or end.

According to an embodiment of the present disclosure, the curved portion is located above, in the middle or below the mattress.

DRAWINGS

The drawings illustrate the exemplary embodiments of the present disclosure, and are in the Part of the manual.

FIG. 1 shows a schematic view of a care bed in accordance with an embodiment of the present disclosure.

FIG. 2 shows a schematic view of a bend according to an embodiment of the present disclosure.

FIG. 3 shows a schematic view of a bend according to an embodiment of the present disclosure.

FIG. 4 shows a schematic view of a bend according to an embodiment of the present disclosure.

FIG. 5 illustrates a cross-sectional view of a bend in accordance with an embodiment of the present disclosure.

FIG. 6 illustrates a cross-sectional view of a curved portion in accordance with an embodiment of the present disclosure.

Figure 7 shows a schematic view of a care bed in accordance with one embodiment of the present disclosure.

Figure 8 shows a schematic view of the back of a care bed in accordance with one embodiment of the present disclosure.

Figure 9 shows a schematic view of the back of a care bed in accordance with one embodiment of the present disclosure.

Figure 10 shows a schematic view of the back of a care bed in accordance with one embodiment of the present disclosure.

Figure 11 shows a schematic view of a mattress structure in accordance with one embodiment of the present disclosure.

Figure 12 shows a schematic view of a mattress in accordance with one embodiment of the present disclosure.

Figure 13 shows a schematic view of a mattress in accordance with one embodiment of the present disclosure.

Figure 14 shows a schematic view of a mattress in accordance with one embodiment of the present disclosure.

Figure 15 shows a schematic view of a care bed in accordance with one embodiment of the present disclosure.

Figure 16 shows a schematic view of a mattress structure in accordance with one embodiment of the present disclosure.

Figure 17 shows a schematic view of a mattress structure in accordance with one embodiment of the present disclosure.

Figure 18 shows a schematic view of a mattress structure in accordance with one embodiment of the present disclosure.

Figure 19 shows a schematic view of a mattress structure in accordance with one embodiment of the present disclosure.

Detailed ways

The present disclosure will be further described in detail below in conjunction with the drawings and embodiments. It is to be understood that the specific embodiments described herein are intended to be illustrative only and not limiting. It is also to be noted that, for the convenience of description, only parts related to the present disclosure are shown in the drawings.

It should be noted that the embodiments in the present disclosure and the features in the embodiments may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the drawings and embodiments. It will be understood by those skilled in the art that the various components described below with reference to the accompanying drawings are not essential, and those skilled in the art may use a plurality of them according to the actual situation.

First, a detailed description will be given of the care bed in the back-up mode.

As shown in Fig. 1, a mattress 1 according to the present disclosure is laid on a bed/backboard 2 of a care bed or the like. A side frame surrounding the circumference of the mattress 1 may be provided on the deck/back panel. The mattress 1 of the present disclosure is divided into at least two parts, and the mattress divided into at least two parts can be bent at the position of the human buttocks. A mattress 1 divided into two parts is shown in Fig. 1, and the mattress 1 comprises a first mattress portion 10 and a second mattress portion 20. However, it should be understood by those skilled in the art that it can also be divided into more parts, for example, dividing the first mattress portion 10 and the second mattress portion 20 into more parts, respectively, as long as the human body is in a back bending position (such as The corresponding portion of the bed plate 2 shown in Fig. 1 has two mattress portions which can be bent to each other.

The description will be made below with reference to the first mattress portion 10 and the second mattress portion 20 shown in FIG. The first mattress portion 10 can be used to support the back of the human body, and the second mattress portion 20 can be used to support the buttocks of the human body. The first mattress portion 10 and the second mattress portion 20 are connected by the curved portion 30. The specific structure of the bent portion 30 will be described in detail below.

As shown in FIGS. 2 and 3, the curved portion 30 may include a first connecting portion 31, a second connecting portion 32, and a co-directional bent portion 33. The first connecting portion 31 is disposed at a lower portion or a middle portion of the first mattress portion 10 in the thickness direction, and the second connecting portion 32 is disposed at a lower portion or a middle portion of the second mattress portion 20 in the thickness direction. The co-directional curved portion 33 may be disposed at an upper portion, a middle portion, or a lower portion in the thickness direction.

Referring first to Figure 2, the structure of the curved portion 30 shows the case where the co-directional curved portion 33 can be placed on the mattress (this is also shown in Figure 1), which refers to the upper surface of the mattress or Near the upper surface. The first connecting portion 31 and the second connecting portion 32 respectively include

side connecting portions

311 and 321 and lower connecting

portions

312 and 322. The lower connecting

portions

312, 322 are connected to the lower surface of the first mattress portion 10 and the lower surface of the second mattress portion 20, respectively. The

side connecting portions

311, 321 also form side frames of the first mattress portion 10 and the second mattress portion 20, respectively.

The co-directional bend 33 is in the form of a joint or a plurality of joints, ie may comprise a sheet 33 for bending or a plurality of laterally contacting sheets 33 for bending, the sheet for bending preferably being incompressible The rectangle is used in the form of a curved sheet, which may be in the form of a steel sheet, a hard plastic sheet or the like. Further, preferably, the material of the same direction curved portion 33 is the same as that of the first connecting portion 31 and the second connecting portion 32. When there are a plurality of sheets 33 for bending, the sum of the rotation angles of the sheets 33 for bending with respect to the adjacent members is the maximum lifting angle of the bed back panel. For example, each of the sheets for bending can be rotated 20 degrees about the hinge, and the same direction of curvature of the three sheets for bending can be rotated by 60 degrees.

An upward rotation restricting portion 34 and a hinge portion 35 may be provided at an upper portion of the sheet 33 for bending. A lower rotation restricting portion (not shown) may be provided at a lower portion of the sheet 33 for bending, and may be designed to be in the form of a sheet for bending, attached to the first connecting portion 31 and / or below the contact surface of the second connecting portion 32, such that the sheet for bending cannot be rotated downward, or if the sheet for bending has a sufficient thickness, the contact surface can be made to have no gap contact, thereby When there is no gap contact, the sheet for bending cannot be rotated downward due to the repulsion of the two.

Fig. 3 shows the case where it can be placed under the mattress, which refers to the lower surface of the mattress or the position adjacent to the lower surface. The rest is substantially the same as the structure of FIG. 2 except that it is different from the side connection portion in FIG. 2, and details are not described herein again.

FIG. 4 shows a plan view of the co-directional bending portion 33. At the contact position between the sheets 33 for bending and/or the contact position of the sheet 33 for bending with the connecting portions 31, 32: on both sides of the sheet 33 for bending or the connecting

portion

31 or 32 An upwardly rotating limit portion 34 is provided, and a hinge 35 is provided between the two upwardly rotating limit portions 34, the hinge 35 may be in the form of a hinge, and the hinge 35 in the form of a hinge may have two hinges The sheet and the hinge shaft, the two hinge sheets are respectively fixed at the contact position to the mutually contacting sheet 33 for bending, the connecting

portions

31, 32. The sheet 33 for bending is rotated about the hinge axis of the hinge 35.

Fig. 5 is a cross-sectional view taken along line A-A of Fig. 4. As shown in FIG. 5, at the contact position, an upward rotation restricting portion 34 is provided on the sheet 33 for bending or the connecting

portion

31 or 32, and one end portion 341 of the upward rotation restricting portion 34 can be fixed to the contact for a curved piece 33 or one of the connecting

portions

31 or 32, and the other end portion 342 is located above the contacted piece 33 for bending or the other of the connecting

portions

31 or 32, and is spaced apart from the other, This ensures that the other can be rotated and the spaced apart distances can define the magnitude of the rotation. When the sheet 33 for bending or the connecting

portion

31 or 32 abuts against the other end portion 342, it will be prevented from rotating.

Fig. 6 is a cross-sectional view taken along line B-B of Fig. 4. The hinge 35 is disposed at the contact position, which can be fixed to one of the contact sheets 33 or the connecting

portions

31 or 32 for contact. 5 and 6 are shown in the form of a broken line on the left and right sides of the drawing, and the parts in a curved state are shown in a solid line form.

In addition, in one embodiment of the present disclosure, a plurality of curved portions 30 may be provided along the width direction of the mattress to form an array in parallel.

According to the mattress of the present disclosure, when the back is lifted, since the center of rotation of the mattress is moved forward by the co-directional bending portion, the arrangement of the rigid co-directional bending portion and the rigid first and second connecting portions makes the first mattress The second mattress portion is incompressible, so that during the process of starting the back, the relative displacement of the mattress and the human body is completely converted into the tilting of the mattress and the bed plate, reducing the rotation point between the back plate and the rotation point of the human hip joint. The positional difference between the mattress and the back of the human body, eliminating or reducing the shear force generated by the back pad on the back of the human body, does not cause the human body to sway to the bed.

In FIG. 1, the curved portion shown in FIG. 2 in the present disclosure is used for the structure of a back bed mattress, and according to other embodiments of the present disclosure, FIG. 7 shows the same as FIG. 3 of the present disclosure. The illustrated bend is used to structure the back mattress. It will be understood by those skilled in the art that when the structure shown in Fig. 1 is used, a cover layer may be laid on the bent portion to prevent injury to the human body and the like.

The arrangement of the first connecting portion 31 and the second connecting portion 32 will be described below with reference to Figs. In these figures, the use of the bent portion using the structure shown in Fig. 3 is described in the case of a back-bed, but it will be understood by those skilled in the art that the structure of Figs. 2 and 3 is used in other bed type mattresses and the like. The same applies in the case.

The case where the array-arranged bent portions are arranged as described above is shown in FIGS. 8 to 10. As shown in Fig. 8, four curved portions are arranged side by side, and two curved portions are arranged side by side in Figs. 9 and 10, but two or more suitable numbers of curved portions may be provided.

As shown in Figures 8 and 9, the first connecting portion 31 has a relatively long length for supporting the first mattress portion 10, and if the mattress strength is sufficient, a shorter one as shown in Fig. 10 can also be provided. The first connecting portion 31. That is, the first connecting portion 31 has a predetermined length, and the length can be adjusted according to actual conditions.

Therein, a resilient bridge can be provided between the plurality of side-by-side first connecting portions 31. As shown in FIG. 9, an elastic bridge 36 is provided between the two first connecting portions 31. The elastic bridge 36 is disposed adjacent to the bend of the mattress and functions to enhance the strength of the support body. Based on the above, those skilled in the art should understand that in the structure shown in Figs. 8 and 10, the elastic bridge can also be set according to the actual situation.

As shown in FIG. 8, a through hole 37 may be provided at an end of the first connecting portion 31, and a fixing member may be inserted through the through hole 37 to connect the first connecting portion 31 with the mattress body (for example, a hard rubber body). Fix it and place the mattress to slide relative to the bend. It should be noted that a plurality of through holes may be provided, as shown in FIG. 8 (a plurality of through holes are omitted for the sake of the drawings, not all of which are denoted by reference numerals), and a plurality of through holes are also shown in FIG. Hole (for the sake of neatness of the drawing, not marked with the reference numeral). The fixing member enters the mattress body and extends for a certain length. In addition, it should be understood by those skilled in the art that the length of the first connecting portion 31 can be set to be short. In order to enhance the supporting function of the mattress, the supporting member can be attached in the extending direction of the first connecting portion 31 to form a similar The form of the long first connecting portion 31.

In order to explain the relevant structure of the first connecting portion 31, referring to the schematic view shown in Fig. 11, Fig. 11 shows a bottom view of the mattress. In the configuration shown in Fig. 11, a tamper-proof locking member 37 is provided on the elastic bridge 36 to prevent the mattress from swaying toward the tail of the bed.

In the present disclosure, the elastic bridge 36 may be in the form of a spring leaf. The elastic bridges 36 may be disposed between the first connecting portions, or may be disposed between the second connecting portions, and a plurality of elastic bridges may be disposed between the connecting portions, and the disclosure does not limit the setting thereof. .

According to other embodiments of the present disclosure, the curved portion 30 may have other configurations.

Fig. 12 shows an embodiment thereof, Fig. 12A shows a side cross-sectional view of the embodiment, and Fig. 12B shows a partial plan sectional view.

As shown in FIG. 12, an elastic steel sheet 300 is provided at a position corresponding to the bending of the mattress, and the function of the co-directional bending portion 33 of the above-described curved portion 30 is realized by the bending of the elastic steel sheet 300. The elastic steel sheet 300 may be in the form of a unitary strip. Also shown in Figure 12, the elastic steel sheet 300 and associated components are disposed between the mattresses between the upper portion 100 of the mattress and the lower portion 200 of the mattress.

The end of the elastic steel sheet 300 at the position of the backing pad (second mattress portion) is fixed to the first connecting portion 400 (the connecting portion may be a metal plate). The first connecting portion 400 extends toward the back pad to support the back pad. At the end at the position of the seat cushion (second mattress portion), the second connecting portion as in the above embodiment may be provided or may not be provided. In Fig. 12, the arrangement is not made, but the elastic steel sheet 300 having a certain length functions as a second connecting portion. Further, an elastic steel sheet 600 may be provided at one end of the cushion of the elastic steel sheet 300, thereby serving the purpose of fixing the two elastic steel sheets 300. For other structures, such as elastic bridges, etc., the description of the above embodiments.

For common mattresses, some of the upper and lower parts of the mattress are made of sponge, while some are hard materials such as the upper part of the sponge and the lower part of the mat. Especially for mattresses made of sponges, for example, PVC soft sheets can be provided to enhance their support. The setting of the PVC flexible board may be determined according to actual conditions. For example, in FIG. 12, a PVC flexible board 500 is disposed at the lower portion of the elastic steel sheet 300 and the first connecting portion 400 and in the middle of the mattress, and may of course be based on actual conditions. On the lower surface of the mattress, a PVC soft board 500 is placed at the position of the buttocks of the human body.

FIG. 13 shows another embodiment thereof, which is similar to the embodiment shown in FIG. 2. Fig. 13A shows a side cross-sectional view of the embodiment, and Fig. 13B shows a partial plan sectional view. As shown in Fig. 13, an elastic steel sheet 300 is disposed at a position corresponding to the bending of the mattress, and the rigid elastic sheet 300 is disposed at an upper portion in the thickness direction of the mattress. Further, the function of the co-directional bending portion 33 of the curved portion 30 is realized by the bending of the elastic steel sheet 300. The elastic steel sheet 300 may be in the form of a unitary strip. Also shown in Figure 13, the associated components of the resilient steel sheet 300 are disposed between the mattresses between the upper portion 100 of the mattress and the lower portion 200 of the mattress. And the elastic steel sheet 300 and the first and second connecting portions 400 may be connected by a steel frame 700.

The end of the elastic steel sheet 300 at the position of the backing pad (second mattress portion) is fixed to the first connecting portion 400 (at the back pad position) (the first connecting portion may be a metal plate). The first connecting portion 400 extends toward the back pad to support the back pad. A second connecting portion 400 is provided at a position of the seat cushion (second mattress portion) (the second connecting portion may be a metal plate). Further, an elastic steel sheet 600 may be disposed at one end of the seat cushion of the elastic steel sheet 300, thereby serving the purpose of fixing the two elastic steel sheets 300. For other structures, such as elastic bridges, etc., the description of the above embodiments.

In addition, a PVC flexible board 500 may also be provided to enhance the support, which may be placed at a suitable location as desired.

Fig. 14 shows still another embodiment thereof. Fig. 14A shows a side cross-sectional view of the embodiment, and Fig. 14B shows a partial plan sectional view. As shown in Fig. 14, an elastic steel sheet 300 is disposed at a position corresponding to the bending of the mattress, and the rigid elastic sheet 300 is disposed in the middle of the thickness direction of the mattress. In this embodiment, a PVC soft board is shown, in which case the mattress lower portion 200 can be in the form of a mat, and the mattress top 100 can be in the form of a sponge. Since the mat has a certain hardness, the rigid elastic piece 300 can be fixed to the mat by the fixing member 800. Other configurations of other embodiments may be selected by those skilled in the art based on the above description and actual circumstances.

Fig. 15 shows the structure of a care bed for performing side turning, including back

sheets

101, 102 which are bendable with each other, and

hip sheets

201, 202 which are bendable with each other. Wherein, when the mattress is laid flat on the bed board, the mattress corresponding to the position of the back plate 101 and the hip plate 201 may be defined as a mattress of the first mattress portion and corresponding to the position of the back plate 102 and the hip plate 202. It can be defined as a second mattress portion, and when the first mattress portion and the second mattress portion are relatively bent, the human body can be turned over. When turning over, the body is turned to the side by folding, but the two axes of rotation may be seriously misaligned, which is bound to produce lateral compression and shearing force for the person turning over.

In this embodiment of the present disclosure, this problem is solved by laying the following mattress on the bed board.

16-18 illustrate the construction of an embodiment of the mattress. The mattress includes a mattress inner tube 301. In the middle of the mattress inner tube 301 under the back of the human body and/or the hip board, at least at the intersection of the first mattress portion and the second mattress portion, a bendable elastic member 401 may be provided. Figures 16 and 17 show that a portion of the lengthwise direction of the mattress is provided with an elastic member 401 (e.g., extending from the buttocks toward the tail of the bed), while Figure 18 shows that the elasticity is substantially provided in most of the length direction of the mattress. The member 401 (for example, extending from the back to the buttocks), and the form of the elastic member 401 provided in Figs. 16 and 17 is different.

The elastic member 401 may be in the form of a strip and may be provided in a plurality of strips along the width direction of the mattress. The plurality of strip-shaped elastic members 401 may have lengths on both sides of the flat body or extend to the left and right sides of the mattress, and may be disposed at both ends of the plurality of strip-shaped elastic members 401 (for example, by riveting or the like) The longitudinal connector 402, the connector 402 connects the plurality of strip-shaped elastic members 401 together. The two ends of the elastic member 401 may be respectively connected to the connecting member 402, and the two ends of the elastic member 401 may also extend out of the connecting member 402 by a predetermined length. The elastic member 401 may be in the form of a curved portion 30 such as a backing, or may be an elastic member of a unitary planar material such as a spring steel plate or other elastic material.

Wherein, the elastic member 401 is an elastic member that is bent in the same direction.

When turning over, the elastic member 401 is bent under the push of the half bed 5 of the turning care bed, and under the pressure of the bed body, the bending starting point of the elastic member 401 will extend to the other side of the human body, and the bending of the mattress at this time The point extends to the other side of the human body at the same time, and the mattress is swayed up along the folded back plate under the support of the incompressible elastic member 401, thereby eliminating the folding of the bed surface of the turning care bed to the mattress. With the force of compression, the human body rolls toward the other side of the bed surface and is no longer subjected to or rarely subjected to the pressing and shearing forces generated by the turning process.

In addition, a partial cross-sectional view of a mattress in accordance with one embodiment of the present disclosure is shown in FIG. 19 to fully illustrate the elastic member 401 and the connector 402. In addition, in order to facilitate understanding of the above, when the mattress is laid flat on the bed board, the mattress corresponding to the position of the back plate 101 and the hip plate 201 may be defined as the first mattress portion, and the back plate 102 and the hip plate 202. The mattress corresponding to the position may be defined as a second mattress portion, and the first mattress portion 10 and the second mattress portion 20 are schematically indicated in FIG.

In addition, it should be understood that the elastic member may be disposed near the back or at a position close to the buttocks.

Finally, it should be noted that although the components for assisting the bending of the first mattress portion and the second mattress portion are in the form of joints or strip members in the above embodiments, those skilled in the art should understand The component that assists the first mattress portion and the second mattress portion to be bent may also be in the form of an integral curved portion, such as a single piece of flexible steel plate or the like.

In the description of the present specification, the description with reference to the terms "one embodiment/method", "some embodiments/methods", "example", "specific example", or "some examples" and the like means in combination with the embodiment/method The specific features, structures, materials, or characteristics described in the examples are included in at least one embodiment/method or example of the application. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments/methods or examples. In addition, those skilled in the art can combine and combine the different embodiments/modes or examples described in the specification and the features of the different embodiments/methods or examples.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

It should be understood by those skilled in the art that the present invention is not limited by the scope of the disclosure. Other variations or modifications may be made by those skilled in the art based on the above disclosure, and such changes or modifications are still within the scope of the present disclosure.

Claims

A mattress characterized by comprising:

a first mattress portion and a second mattress portion, wherein the first mattress portion and the second mattress portion are capable of being relatively bent to cause a human body located on the mattress to be backed or turned over;

a bending portion for coupling the first mattress portion and the second mattress portion, the bending portion being bendable according to bending of the first mattress portion and the second mattress portion To prevent the body from swaying when it is back or turned over.
The mattress according to claim 1, wherein the curved portion includes a first connecting portion, a second connecting portion, and a co-directional bending portion,

The first connecting portion is connected to the first mattress portion, the second connecting portion is connected to the second mattress portion, and two ends of the same bending portion and the first connecting portion are respectively The second connecting portion is connected and bent as the bending is performed.
The mattress according to claim 1 or 2, wherein the bent portion is provided in two or more groups in the width direction or the longitudinal direction of the mattress.
The mattress according to any one of claims 1 to 3, wherein the co-directional bending portion includes two or more sheets for bending, and two or more sheets for bending are provided to be Bending in the same direction.
The mattress according to claim 4, wherein between the first connecting portions of the two or more bending portions or between the second connecting portions, a resilient bridge is disposed along the width direction of the mattress, the elastic The bridges are respectively connected to the first connection portion or the second connection portion of the two or more bending portions, and the elastic bridge is provided with a locking member to prevent the first mattress portion or the second mattress portion from being swayed.
The mattress according to claim 4, wherein the bent portion is provided with a restricting portion for preventing the sheet for bending from being bent in a direction opposite to the bending direction.
The mattress according to any one of claims 4 to 6, wherein the curved portion further includes an upward rotation restricting portion provided at a contact position between the sheets for bending, or for bending At a contact position of the sheet with the first connecting portion or the second connecting portion, for limiting the rotation angle of the sheet for bending,

At a position where the bent piece is in contact with the first connecting portion, one end of the upper rotation limiting portion is fixed to one of the sheet for bending and the first connecting portion, and the other end is provided with a limited space to Limit the angle of rotation of the piece used for bending,

At the contact position between the sheets for bending, one end of the upper rotation limiting portion is fixed to one piece for bending, and the other end is provided with a limited space to restrict rotation of another piece for bending Angle, and

At a position where the bent piece is in contact with the second connecting portion, one end of the upper rotation limiting portion is fixed to one of the sheet for bending and the second connecting portion, and the other end is provided with a limited space to Limit the angle of rotation of the piece used for bending.
The mattress according to claim 1 or 2, wherein the curved portion is two or more strip-shaped elastic members arranged side by side or an integral elastic plate, and the strip-shaped elastic member or the integral elastic plate can be along The body bends in the direction of back or rollover.
A mattress according to claim 8, further comprising: a longitudinal connecting member, said two or more strip-shaped elastic members being arranged side by side along the length direction of said mattress, and said longitudinal connecting member being fixed To the vicinity of both ends of the strip-shaped elastic member to connect the ends of the two or more strip-shaped elastic members at positions near the ends or ends.
The mattress according to any one of claims 1 to 9, wherein the curved portion is located at an upper portion, a middle portion or a lower portion in a thickness direction of the mattress.