Massage mattress and massage bed

Abstract

The invention relates to the field of massage mattresses, in particular to a massage mattress and a massage couch, the massage mattress comprises a comfortable layer, an isolation supporting layer and massage heads, the isolation supporting layer is located below the comfortable layer, one or more containing cavities are preset on the isolation supporting layer, the massage heads are arranged in the containing cavities, and each massage head comprises a flexible cavity and an electromagnetic coil, magnetorheological fluid is sealed in the flexible cavity, and the electromagnetic coil is used for generating or cancelling a magnetic field; when the electromagnetic coil does not work, the flexible cavity is in a soft state and deforms under the action of external force to fill the containing cavity. When the electromagnetic coil works, the flexible cavity forms a firm massage head. When the massage function of the massage head is closed, the massage head can be softened and deformed and fill the preset gap in the mattress, so that the gap and hollowing of the supporting surface of the mattress are eliminated.

Description

Technical Field

[0001] The present invention relates to the field of massage mattresses, in particular to a massage mattress.

[0002] The invention also relates to a massage bed. Background Art

[0003] Currently, mainstream massage mattresses on the market primarily utilize mechanical massage solutions. This solution typically embeds a mechanical module consisting of a motor, eccentric wheel, connecting rod, and massage heads within the mattress. Driven by the motor, the rigid massage heads rotate, tap, knead, or lift, thereby applying physical stimulation to the body.

[0004] However, mechanical massage solutions have significant flaws. When the massage function is not activated, these stationary, hard and rigid massage heads will be placed under the filling layer of the mattress, causing gaps and hollows inside the mattress. When the user lies down, they can clearly feel these foreign body sensations, which greatly affects the comfort of the mattress. This inherent structural problem makes it difficult to integrate the massage function and sleep function of the mattress. Summary of the Invention

[0005] The object of the present invention is to provide a massage mattress and a massage bed, aiming to solve the problem of gaps and hollows inside mechanical massage mattresses in the prior art.

[0006] In order to solve the above technical problems, the present invention specifically provides the following technical solutions: A massage mattress, comprising: a comfort layer; an isolation support layer located below the comfort layer, wherein the isolation support layer is pre-set with one or more accommodating chambers; at least one massage head, the massage head being disposed inside the accommodating chamber; Wherein, the massage head comprises: A flexible cavity having a magnetorheological fluid sealed therein, the flexible cavity having a first stable shape and a second stable shape, the first stable shape being configured as a massage head; the second stable shape being configured to conform to the accommodating cavity, thereby forming a continuous, gap-free, integral support surface together with the isolation support layer; an electromagnetic coil for generating or removing a magnetic field sufficient to cause the magnetorheological fluid to change state; One or more elastic elements are disposed inside the flexible cavity, and are used to enable the flexible cavity to automatically return to the first stable state when the external force is removed after being compressed and deformed into the second stable state by an external force; in, When the magnetic field is removed, the magnetorheological fluid is in a liquid state, and the flexible cavity is in a soft state, and can be deformed into a first stable shape under the action of the elastic element, or deformed into a second stable shape under the action of an external force; When the magnetic field is generated, the magnetorheological fluid is in a semi-solid state, and the flexible cavity is in a hard state, which can resist deformation and push the comfort layer to exert a massage force.

[0007] Furthermore, the flexible cavity includes a radial telescopic section, and the radial telescopic section is configured to maintain an inverted concave bowl shape when not affected by external force and the elastic force of the elastic element.

[0008] Furthermore, the flexible cavity further includes an axial telescopic section, and the side wall of the axial telescopic section has annular folds.

[0009] Furthermore, at least a portion of the flexible cavity is made of a magnetically conductive elastomer composite material to guide and converge the magnetic field generated by the electromagnetic coil, and the electromagnetic coil and the flexible cavity are structurally separated from each other.

[0010] Furthermore, the magnetically conductive elastomer composite material includes an elastomer matrix and soft magnetic particles uniformly dispersed in the elastomer matrix.

[0011] Furthermore, the elastomer matrix is ​​silicone rubber or thermoplastic elastomer, and the soft magnetic particles are carbonyl iron powder or ferrite powder.

[0012] Furthermore, the electromagnetic coil has an annular structure and is configured to be disposed around the bottom of the flexible cavity and not in direct contact with the side wall of the flexible cavity.

[0013] Furthermore, it also includes a base plate fixed below the isolation support layer, and a driving mechanism connected between the base plate and the massage head, wherein the driving mechanism is used to drive the massage head to perform a preset massage action.

[0014] Furthermore, the driving mechanism is a linear drive or a rotational drive.

[0015] A massage bed with a massage mattress also includes a bed frame, which is used to support the massage mattress.

[0016] Beneficial effects of the present invention: When the massage function is turned off, the massage head of the embodiment of the present invention can soften and deform and fill the preset gaps in the mattress, thereby eliminating gaps and hollows on the support surface of the mattress. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.

[0018] Figure 1 is a cross-sectional view of a first stable state of an embodiment of the present invention; Figure 2 is a cross-sectional view of a second stable state of an embodiment of the present invention; Figure 3 is a three-dimensional diagram of the initial form of the massage head of the present invention; Figure 4 This is a front view of the massage head in its initial form; Figure 5 for Figure 4 Cross-sectional view in the AA direction; The numbers in the figure represent the following: 1-flexible cavity; 11-annular folds; 12-elastic element; 2-electromagnetic coil; 31-base; 32-fixed bracket; 33-plug; 4-driving mechanism; 5-comfort layer; 6-isolation support layer; 7-base plate. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] refer to Figure 1 、 Figure 2 .

[0021] This embodiment provides a massage mattress, comprising a comfort layer 5, an isolation support layer 6 and a base plate 7 connected sequentially from top to bottom.

[0022] The comfort layer 5 is located at the top and is usually 2-5 cm thick latex or memory foam. It is in direct contact with the user's body and provides a comfortable wrapping feeling during sleep.

[0023] The isolation support layer 6 is a high-density sponge with good support. One or more accommodating chambers are pre-arranged according to ergonomics. The shape and depth of these accommodating chambers are precisely designed to accommodate and hide the massage head below in "sleep mode".

[0024] refer to Figure 3 、 Figure 4 、 Figure 5 The core structure of the massage head includes a flexible cavity 1 and an electromagnetic coil 2 that cooperates with it.

[0025] The flexible cavity 1 is sealed and filled with magnetorheological fluid, which has the property of being able to undergo rapid and reversible transformation between a low-viscosity liquid state and a high-viscosity, shear-strength semi-solid state under the action of an external magnetic field.

[0026] The function of the electromagnetic coil 2 is to selectively generate or cancel a magnetic field according to a control instruction. The intensity of the magnetic field is sufficient to trigger the state change of the magnetorheological fluid inside the flexible cavity 1.

[0027] The electromagnetic coil 2 is physically separated from the flexible cavity 1 , and the two are not integrally formed or tightly fitted.

[0028] The massage heads are arranged in a two-dimensional array according to the locations of key acupuncture points or muscle groups on the back, waist, legs, etc. of the human body, and are fixed on a substrate 7. A drive mechanism, such as a linear drive or a rotary drive, is provided for each massage head or a group of massage heads on the substrate 7.

[0029] Preferably, the linear drive is a screw stepper motor or a voice coil motor, which can realize finger pressure, top pressure and tapping functions: the screw stepper motor can drive the massage head connected to it (after hardening) to perform slow, precise, high-thrust vertical lifting and lowering movements to simulate finger pressure or top pressure techniques; the voice coil motor can drive the massage head connected to it to perform high-frequency, small-stroke reciprocating motion to simulate tapping or patting techniques.

[0030] On the other hand, the rotating drive is an eccentric rotating disk driven by a micro DC motor, which can realize the kneading function: the micro DC motor can drive the massage head connected to it (after hardening) to perform a small range of circular motion to simulate kneading. The controller can also allow 2 to 3 adjacent massage heads to move up and down according to the preset timing difference, forming a wave-like continuous pressure, thereby simulating the physical sensation of kneading.

[0031] The massage mattress can switch between the following two modes.

[0032] Sleep mode: When the user selects sleep mode, the electromagnetic coil 2 is de-energized, the magnetic field disappears, and the magnetorheological fluid inside the flexible cavity 1 is in a low-viscosity liquid state, making the entire flexible cavity 1 soft. When the user lies on the mattress, the weight of his body is transmitted through the comfort layer 5, and this soft cavity will be compressed and adaptively deformed. Its shape and volume can just fill the entire accommodating cavity perfectly. At this time, the flexible cavity 1 and the surrounding isolation support layer 6 form a smooth, continuous, seamless support plane. Since the gaps inside the mattress are dynamically filled, the hard points and hollow feeling are completely eliminated. The user can only feel the comfort layer 5 and the uniform isolation support layer 6, thereby obtaining undisturbed high-quality sleep.

[0033] Massage mode: After the pressure is removed, the flexible cavity 1 restores its preset full shape due to its own rebound characteristics. When the user starts the massage function, the controller instructs the electromagnetic coil 2 to pass current to generate a magnetic field. The magnetic field causes the magnetorheological fluid to change from liquid to a high-strength semi-solid state. At this time, the entire flexible cavity 1 becomes a solid, fixed-shape massage head. Combined with the drive of the drive mechanism 4, this solid massage head can powerfully lift the comfort layer 5 above and perform deep massage such as acupressure, kneading or tapping on the user's body.

[0034] The following will describe in detail the specific structure of the massage head, aiming to explain in detail a technical solution that can achieve the "on-demand display" and "unconscious concealment" massage functions.

[0035] The massage head is invisible and hidden, which means that when massage is not needed, the massage head appears soft and has no foreign body sensation.

[0036] The massage head can be turned into a firm state quickly to transmit effective force when massage is needed.

[0037] Regarding the implementation principle of the invisible and hidden massage head: when the electromagnetic coil 2 is instructed not to generate a magnetic field, the magnetorheological fluid inside it will remain in its natural low-viscosity liquid state, the flexible cavity 1 itself is soft and deformable, and the overall external appearance of the flexible cavity 1 and the magnetorheological fluid is soft and easy to compress, while the electromagnetic coil 2 and the flexible cavity 1 are physically separated from each other, so that the user's body will only come into contact with the soft flexible cavity 1, and will not directly come into contact with the rigid electromagnetic coil 2.

[0038] Regarding the implementation principle of the on-demand display of the massage head: when massage is required, the electromagnetic coil 2 generates a magnetic field according to the instructions; the magnetic field acts on the magnetorheological fluid in the cavity and reaches a strength sufficient to trigger its state change. At this time, the magnetorheological fluid reversibly changes from a liquid to a semi-solid with high viscosity and shear strength. When the filler inside the cavity becomes a semi-solid, the entire flexible cavity 1 changes from a soft capsule to a solid massage head with a specific shape and hardness.

[0039] It should be noted that the flexible cavity 1 itself has a certain elasticity, and an elastic element 12 (such as a spring coil or a spring sheet) is installed inside the flexible cavity 1 to increase its elasticity and to a certain extent restrict the rebound shape of the flexible cavity 1 .

[0040] As a result, after the flexible cavity 1 is compressed by the user's body, when the user leaves, it can rely on its own elasticity (and the guidance of the elastic element 12) to restore its original shape of the massage head and drive the magnetorheological fluid filled inside it to redistribute, so that when the electromagnetic coil 2 is working, the flexible cavity 1 and the magnetorheological fluid can maintain the pre-designed shape of the massage head.

[0041] In order to ensure that the flexible cavity 1 maintains the shape of a massage head during massage, and maintains the shape of filling the accommodating chamber without gaps during sleep, the flexible cavity 1 is configured to have a first stable shape and a second stable shape, wherein the outer shape of the first stable shape is configured to be preset as a massage head shape, and the second stable shape is configured to match the accommodating chamber.

[0042] To achieve bistable functional switching between the "massage" and "sleep" modes of the flexible cavity 1, this embodiment proposes a composite structure consisting of a coaxially coupled radial telescopic section and an axial telescopic section. This structure cleverly utilizes the principles of fluid dynamics to intelligently convert external pressure into adaptive reconstruction of the internal shape. The specific implementation method is as follows: The radial telescopic section on the top adopts an "inverted concave bowl" configuration, making its natural cross-section present an "M" shape. The "M"-shaped structure is a key technical means to achieve seamless concealment and on-demand display.

[0043] Invisible concealment: When the flexible cavity 1 is subjected to the pressure of a lying human body, the "M"-shaped structure can instantly and passively flip and extend outward to achieve a large range of radial expansion. This characteristic of expansion when under pressure enables it to actively and seamlessly fill and eliminate potential gaps in the accommodating cavity, ensuring that the isolation support layer 6 forms a flat and continuous support surface, thereby solving the problems of hollowing and foreign body sensation caused by the presence of hard massage heads in traditional solutions.

[0044] On-demand manifestation: When the external force is removed or the "massage mode" is entered, the top and bottom of the "M"-shaped structure can be instantly and passively flipped outward under the coordinated action of the internal elastic element 12, making it easier for the "M"-shaped structure to form an elliptical shape with an axial length greater than the radial length after expansion. This design enhances the effective length of the massage head, thereby achieving a deeper and more effective massage experience.

[0045] The axial expansion section of the side wall is designed to be in the form of a bellows with annular folds 11, so that the flexible cavity 1 has excellent axial compression and expansion capabilities.

[0046] The axial telescopic section has a dual function: Fluid drive: When the device enters "sleep mode" under pressure, the compression of the axial telescopic section is not just a simple deformation, but also an efficient "pumping" behavior. It can actively push the internal magnetorheological fluid to the top radial telescopic section, providing fluid dynamic support for the rapid and full expansion of the radial telescopic section, ensuring perfect filling of the containment chamber.

[0047] Massage depth: When the external force is removed or the "massage mode" is entered, the high stretchability of the bellows structure can push the top of the flexible cavity 1 to a higher position under the coordinated action of the internal elastic element 12. Compared with a cavity with a single structure, this design enhances the effective length of the massage head, thereby achieving a deeper and more effective massage experience.

[0048] Furthermore, in order to efficiently apply the magnetic field generated by the separated electromagnetic coil 2 to the magnetorheological fluid in the cavity, at least a portion of the flexible cavity 1, preferably the entire portion, is made of a special magnetically conductive elastomer composite material.

[0049] This material can serve as a guiding and converging path for the magnetic field while maintaining the flexibility of the cavity, capturing the magnetic field generated by the electromagnetic coil 2 and efficiently conducting and concentrating it into the interior of the flexible cavity 1 .

[0050] In a preferred embodiment, the magnetorheological fluid is composed of micron-sized soft magnetic particles (such as carbonyl iron powder) uniformly suspended in a carrier liquid (such as synthetic oil). Accordingly, the electromagnetic coil 2 generates a controllable magnetic field by passing current. When the electromagnetic coil 2 is energized, the generated magnetic field causes the magnetorheological fluid to change from a liquid state to a semi-solid state; when the power is off, the magnetic field disappears and the magnetorheological fluid returns to a liquid state.

[0051] The magnetic elastomer composite material consists of two parts, one is the elastomer matrix, and the other is the soft magnetic particles.

[0052] During the preparation process, micron-sized soft magnetic particles are used as functional fillers and are uniformly dispersed in a liquid elastomer matrix prepolymer under stirring, and then vulcanized or hardened into shape.

[0053] The uniform dispersion of soft magnetic particles is the key to ensuring the consistency of the cavity's anisotropic magnetic conductivity and mechanical properties.

[0054] The specific steps include: uniformly mixing a predetermined proportion (for example, 20% to 50% by weight) of micron-sized soft magnetic powder (such as spherical carbonyl iron powder or hexagonal flake ferrite powder) into an unhardened liquid silicone rubber matrix, and then forming an integrated flexible cavity 1 through an injection molding process.

[0055] To meet skin-friendliness, durability, and production process requirements, silicone rubber is the preferred elastomer matrix due to its excellent biocompatibility, high and low temperature resistance, and fatigue resistance. Thermoplastic elastomers may also be used in other cost-sensitive applications or those with specific mechanical requirements.

[0056] The soft magnetic particles are preferably carbonyl iron powder or ferrite powder with high magnetic permeability and low coercive force, and the particle shape is preferably spherical or nearly spherical to ensure fluidity and dispersibility in the elastomer matrix.

[0057] In order to realize the separate layout of the electromagnetic coil 2 and the flexible cavity 1, the electromagnetic coil 2 is designed as an independent rigid component with an annular structure.

[0058] The electromagnetic coil 2 adopts a ring structure. During assembly, the electromagnetic coil 2 is arranged at the bottom of the flexible cavity 1 or around the base 31. This layout keeps the heat-generating rigid coil away from the upper part of the flexible cavity 1 that is in direct or indirect contact with the human body, thereby optimizing heat dissipation and user experience.

[0059] In order to achieve a stable and precise fit: the lower part of the flexible cavity 1 is designed with a disc-shaped base 31 with a relatively large diameter, and an annular fixed bracket 32 ​​connects the electromagnetic coil 2 and the base 31 as one, ensuring that the two are coaxial and maintain a small gap. The inner diameter of the electromagnetic coil 2 is slightly larger than the outer diameter of the flexible cavity 1. During installation, the electromagnetic coil 2 is sleeved on the outside of the flexible cavity 1.

[0060] This design ensures that the electromagnetic coil 2 does not directly contact the axial expansion section of the flexible cavity 1, and provides a non-interference space for the axial deformation of the axial expansion section.

[0061] It should also be noted that there is a liquid injection port in the center of the base 31, which is used to inject magnetorheological fluid into the flexible cavity 1 after the flexible cavity 1 and the base 31 are connected through the fixing bracket 32. After injection, the liquid injection port is closed by the plug 33.

[0062] In addition, this embodiment also proposes a massage bed, which includes a deformable (lifted or lowered) bed frame (not shown in the figure), which is used to support the massage mattress, so that the massage mattress can be formed into various shapes that are easy to massage under the action and support of the bed frame, so as to improve the posture of the user being massaged.

[0063] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the spirit and scope of protection of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the embodiments of the present invention.

Claims

1. A massage mattress, characterized in that: include: a comfort layer (5); an isolation support layer (6) located below the comfort layer (5), wherein one or more accommodating chambers are preset on the isolation support layer (6); at least one massage head, the massage head being disposed inside the accommodating chamber; Wherein, the massage head comprises: A flexible cavity (1) having a magnetorheological fluid sealed therein, the flexible cavity (1) having a first stable shape and a second stable shape, the first stable shape being configured as a massage head shape; the second stable shape being configured to coincide with the accommodating cavity, thereby forming a continuous, gap-free integral support surface together with the isolation support layer (6); An electromagnetic coil (2) for generating or canceling a magnetic field sufficient to cause the magnetorheological fluid to change state; One or more elastic elements (12) are arranged inside the flexible cavity (1) and are used to enable the flexible cavity (1) to automatically return to the first stable state when the external force is removed after being compressed and deformed into the second stable state by an external force; in, When the magnetic field is removed, the magnetorheological fluid is in a liquid state, and the flexible cavity (1) is in a soft state, and can be deformed into a first stable shape under the action of the elastic element (12), or deformed into a second stable shape under the action of an external force; When the magnetic field is generated, the magnetorheological fluid is in a semi-solid state, and the flexible cavity (1) is in a hard state, capable of resisting deformation and pushing the comfort layer (5) to exert a massage force.

2. The massage mattress according to claim 1, characterized in that: The flexible cavity (1) comprises a radial telescopic section, and the radial telescopic section is configured to maintain an inverted concave bowl shape when not affected by external forces and the elastic force of the elastic element (12).

3. The massage mattress according to claim 2, characterized in that: The flexible cavity (1) further comprises an axial telescopic section, the side wall of which has annular folds (11).

4. The massage mattress according to any one of claims 1 to 3, characterized in that: At least a portion of the flexible cavity (1) is made of a magnetically conductive elastomer composite material for guiding and converging the magnetic field generated by the electromagnetic coil (2), and the electromagnetic coil (2) and the flexible cavity (1) are structurally separated from each other.

5. The massage mattress according to claim 4, characterized in that: The magnetic conductive elastomer composite material comprises an elastomer matrix and soft magnetic particles uniformly dispersed in the elastomer matrix.

6. The massage mattress according to claim 5, characterized in that: The elastomer matrix is ​​silicone rubber or thermoplastic elastomer, and the soft magnetic particles are carbonyl iron powder or ferrite powder.

7. The massage mattress according to claim 4, characterized in that: The electromagnetic coil (2) has an annular structure and is configured to be arranged around the bottom of the flexible cavity (1) and not in direct contact with the side wall of the flexible cavity (1).

8. The massage mattress according to claim 1, characterized in that: It also includes a base plate (7) fixed below the isolation support layer (6), and a driving mechanism (4) connected between the base plate (7) and the massage head, wherein the driving mechanism (4) is used to drive the massage head to perform a preset massage action.

9. The massage mattress according to claim 8, characterized in that: The drive mechanism (4) is a linear drive or a rotary drive.

10. A massage bed having a massage mattress according to any one of claims 1 to 9, characterized in that: Also included is a bed frame, which is used to support the massage mattress.

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