Soft and hard adjusting device, pneumatic comfort system and seat

Abstract

The embodiment of the invention discloses a hardness adjusting device, a pneumatic comfort system and a seat. A first elastic shell is provided with a first containing cavity and a first opening which are communicated with each other, and the first containing cavity is filled with first elastic filler; the first deformable assembly is stacked on the second deformable assembly, the second elastic shell is provided with a second containing cavity and a second opening which are communicated with each other, and the second containing cavity is filled with the second elastic filler; when the first opening is exhausted and the second opening is inflated, the height of the first deformable assembly is reduced, the hardness of the first deformable assembly is increased, and the height of the second deformable assembly is increased; when the first opening is inflated and the second opening is exhausted, the height of the first deformable assembly is increased, the hardness of the first deformable assembly is reduced, and the height of the second deformable assembly is reduced. In the embodiment of the invention, when the hardness adjusting device adjusts the hardness, the height change is small or is kept unchanged, and the probability of causing the posture change of the user is reduced.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of softness and hardness adjustment, and in particular to a softness and hardness adjustment device, a pneumatic comfort system and a seat. Background Art

[0002] Pneumatic comfort systems (for example, pneumatic massage systems or pneumatic support systems) usually include an air pump, an air valve, and an air bag connected to the air pump through the air valve. When the pneumatic comfort system is working, the air pump supplies air, which is controlled by the air valve to inflate and deflate the air bag. The massage function or support function of the air bag is realized through the inflation and deflation of the air bag.

[0003] Currently, when air bags are used for support, they are typically inflated or deflated to adjust their firmness. However, when the air bag is inflated and deflated to increase firmness, the overall height of the bag increases, causing the user's posture to change and reducing comfort. Summary of the Invention

[0004] The embodiments of the present invention aim to provide a softness and hardness adjustment device, a pneumatic comfort system and a seat, which can overcome the above-mentioned problems or at least partially solve the above-mentioned problems.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the present invention is: providing a soft and hard adjustment device, including a first deformable component and a second deformable component; the first deformable component includes a first elastic shell and a first elastic filler, the first elastic shell is provided with a first receiving cavity and a first opening that are interconnected, and the first elastic filler is filled in the first receiving cavity; the first deformable component is superimposed on the second deformable component, the second deformable component includes a second elastic shell and a second elastic filler, the second elastic shell is provided with a second receiving cavity and a second opening that are interconnected, and the second elastic filler is filled in the second receiving cavity; when the first elastic shell is exhausted through the first opening , and when the second elastic shell is inflated through the second opening, the first elastic shell shrinks and deforms, the first elastic filler is compressed, the height of the first deformable component decreases, the hardness of the first deformable component increases, the second elastic shell expands and deforms, the second elastic filler expands, and the height of the second deformable component increases; when the first elastic shell is inflated through the first opening and the second elastic shell is exhausted through the second opening, the first elastic shell expands and recovers the deformation, the first elastic filler expands, the height of the first deformable component increases, the hardness of the first deformable component decreases, the second elastic shell shrinks and recovers the deformation, the second elastic filler is compressed, and the height of the second deformable component decreases.

[0006] Optionally, the softness and hardness adjustment device further includes a connecting structure, which is provided between the first elastic shell and the second elastic shell, and the connecting structure fixes the first elastic shell and the second elastic shell to each other.

[0007] Optionally, the connection structure is a snap structure, a viscose structure, a stitching structure, a lacing structure, a hot pressing structure or a Velcro structure.

[0008] Optionally, the first elastic filler is prepared and molded from a foam material; and / or the second elastic filler is prepared and molded from a foam material.

[0009] Optionally, along the direction in which the first deformable component is stacked on the second deformable component, the second elastic shell has a top and a bottom that are relatively set, and the top is attached to the first deformable component; the second deformable component also includes a flat structure, which is arranged on the second elastic shell, and the flat structure is used to constrain the top when the height of the second deformable component rises or falls, so that the top remains flat.

[0010] Optionally, the flat-high structure includes a plurality of traction belts, both ends of which are connected to the top and the bottom respectively, and the plurality of traction belts are arranged at intervals along a direction perpendicular to the first deformable component stacked on the second deformable component.

[0011] Optionally, multiple traction belts are located inside the first elastic shell, and the two ends of the multiple traction belts are respectively connected to the inner surface of the top and the inner surface of the bottom; or, multiple traction belts are located outside the first elastic shell, and the two ends of the multiple traction belts are respectively connected to the outer surface of the top and the outer surface of the bottom.

[0012] Optionally, the flat-high structure includes a plurality of restraint rings, which are sleeved on the second elastic shell and spaced apart along a direction perpendicular to the first deformable component and stacked on the second deformable component.

[0013] Optionally, along the first direction, the cross-sectional shape of the first receiving cavity is the same as the cross-sectional shape of the first elastic filler, the cross-sectional area of ​​the first receiving cavity is equal to the cross-sectional area of ​​the first elastic filler, and the first direction is the length direction, width direction or height direction of the first elastic shell; and / or, along the second direction, the cross-sectional shape of the second receiving cavity is the same as the cross-sectional shape of the second elastic filler, the cross-sectional area of ​​the second receiving cavity is equal to the cross-sectional area of ​​the second elastic filler, and the second direction is the length direction, width direction or height direction of the second elastic shell.

[0014] Optionally, along the third direction, the cross-sectional shape of the first elastic shell is the same as the cross-sectional shape of the second elastic shell, the cross-sectional area of ​​the first elastic shell is equal to the cross-sectional area of ​​the second elastic shell, and the third direction is the length direction, width direction or height direction of the first elastic shell or the second elastic shell.

[0015] In order to solve the above technical problems, another technical solution adopted in an embodiment of the present invention is: providing a pneumatic comfort system, including an air source, a high-pressure tank, a low-pressure tank and the above-mentioned soft and hard adjustment device, one end of the high-pressure tank is connected to the air outlet of the air source, and the other end of the high-pressure tank is connected to the first opening of the soft and hard adjustment device, one end of the low-pressure tank is connected to the air inlet of the air source, and the other end of the low-pressure tank is connected to the second opening of the soft and hard adjustment device.

[0016] In order to solve the above technical problems, another technical solution adopted in an embodiment of the present invention is: providing a seat including the above pneumatic comfort system.

[0017] The beneficial effects of the embodiments of the present invention are as follows: Different from the prior art, the embodiments of the present invention provide a soft and hard adjustment device, comprising a first deformable component and a second deformable component; the first deformable component comprises a first elastic shell and a first elastic filler, the first elastic shell is provided with a first receiving cavity and a first opening that are interconnected, and the first elastic filler is filled in the first receiving cavity; the first deformable component is superimposed on the second deformable component, the second deformable component comprises a second elastic shell and a second elastic filler, the second elastic shell is provided with a second receiving cavity and a second opening that are interconnected, and the second elastic filler is filled in the second receiving cavity; when the first elastic shell is discharged through the first opening When the first elastic shell is inflated through the first opening and the second elastic shell is exhausted through the second opening, the first elastic shell contracts and deforms, the first elastic filler is compressed, the height of the first deformable component decreases, the hardness of the first deformable component increases, the second elastic shell expands and deforms, the second elastic filler expands, and the height of the second deformable component increases; when the first elastic shell is inflated through the first opening and the second elastic shell is exhausted through the second opening, the first elastic shell expands and recovers the deformation, the first elastic filler expands, the height of the first deformable component increases, the hardness of the first deformable component decreases, the second elastic shell contracts and recovers the deformation, the second elastic filler is compressed, and the height of the second deformable component decreases.

[0018] In an embodiment of the present invention, when the height of the first deformable component decreases due to hardness adjustment, the second deformable component can be adjusted in height so that the overall height of the first deformable component and the second deformable component changes little or remains unchanged, that is, when the hardness adjustment device adjusts the hardness, the height changes little or remains unchanged, thereby reducing the probability of causing the user's posture to change and improving the comfort of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for describing the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0020] Figure 1 Schematic diagram of the overall structure of the pneumatic comfort system provided by an embodiment of the present invention; Figure 2 is a structural schematic diagram of a fluid distribution device of a pneumatic comfort system provided by an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of an embodiment of the first valve body of the fluid distribution device provided by the embodiment of the present invention. Figure 1 ; Figure 4 This is a schematic diagram of the structure of an embodiment of the first valve body of the fluid distribution device provided by the embodiment of the present invention. Figure 2 ; Figure 5 This is a schematic diagram of the structure of an embodiment of the second valve body of the fluid distribution device provided by the embodiment of the present invention. Figure 1 ; Figure 6 This is a schematic diagram of the structure of an embodiment of the second valve body of the fluid distribution device provided by the embodiment of the present invention. Figure 2 ; Figure 7 This is a schematic diagram of the structure of an embodiment of the second valve body of the fluid distribution device provided by the embodiment of the present invention. Figure 3 ; Figure 8 This is a schematic diagram of the structure of another embodiment of the second valve body of the fluid distribution device provided in an embodiment of the present invention. Figure 1 ; Figure 9 This is a schematic diagram of the structure of another embodiment of the second valve body of the fluid distribution device provided in an embodiment of the present invention. Figure 2 ; Figure 10 This is a schematic diagram of the structure of another embodiment of the second valve body of the fluid distribution device provided in an embodiment of the present invention. Figure 3 ; Figure 11 This is a schematic diagram of the structure of the soft and hard adjustment device of the pneumatic comfort system provided by the embodiment of the present invention. Figure 1 ; Figure 12 This is a schematic diagram of the structure of the soft and hard adjustment device of the pneumatic comfort system provided by the embodiment of the present invention. Figure 2 ; Figure 13 This is a schematic diagram of the structure of the soft and hard adjustment device of the pneumatic comfort system provided by the embodiment of the present invention. Figure 3 ; Figure 14 This is a schematic diagram of the structure of the soft and hard adjustment device of the pneumatic comfort system provided by the embodiment of the present invention. Figure 4 ; Figure 15 2 is a schematic structural diagram of a seat provided in an embodiment of the present invention.

[0021] Description of reference numerals: 1 air source, 11 air inlet, 12 air outlet; 2 Fluid distribution device, 21 housing, 211 first gas passage, 212 second gas passage, 22 first valve body, 221 first charging port, 222 first deflation port, 223 first valve port, 224 first valve housing, 225 first valve core, 226 first electromagnetic member, 23 second valve body, 230 second deflation port, 231 second charging port, 232 second valve port, 233 second valve housing, 234 second valve core, 235 third valve core, 236 second electromagnetic member, 237 third electromagnetic member, 238 first actuator, 2381 first connecting rod, 2382 first shape memory alloy wire, 2383 first spring, 2384 first circuit board, 239 second actuator, 2391 second connecting rod, 2392 second shape memory alloy wire, 2393 second spring, 2394 second circuit board; 3. First airbag; 4 Soft-hard adjustment device, 41 first deformable component, 411 first elastic shell, first 4111 receiving cavity, 4112 first opening, 412 first elastic filler, 42 second deformable component, 421 second elastic shell, 4211 second receiving cavity, 4212 second opening, 422 second elastic filler, 43 connecting structure, 431 first Velcro, 432 second Velcro, 44 ​​flat height structure, 441 traction belt, 442 restraint belt ring; 5. Third airbag; 6 fourth airbag; 7 high pressure tanks, 8 low-pressure tanks; 100 pneumatic comfort system; 200 cushion, 201 first area, 202 second area; 300 backrest; 1000 seats. DETAILED DESCRIPTION

[0022] For ease of understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed on" another element, it can be directly on the other element or there can be one or more centered elements therebetween. When an element is described as being "connected" to another element, it can be directly connected to the other element or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inside", "outside", "vertical", "horizontal", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this invention belongs. The terms used in this specification and in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the relevant listed items.

[0024] See also Figure 1 The present invention provides an embodiment of a pneumatic comfort system 100, wherein the pneumatic comfort system 100 is at least one of a pneumatic massage system, a pneumatic soft and hard adjustment system, a pneumatic lumbar support system and a pneumatic side wing support system.

[0025] The pneumatic comfort system 100 includes an air source 1, a fluid distribution device 2, a first air bag 3, and a hardness adjustment device 4. The air source 1 is provided with an air inlet 11 and an air outlet 12. The fluid distribution device 2 includes a first valve body 22 and a second valve body 23. The first valve body 22 has a switchable inflated state and a deflated state. The second valve body 23 has a switchable deflated state, an inflated state, and a pressure-maintaining state. The second valve body 23 can switch between the deflated state, the inflated state, and the pressure-maintaining state. The first air bag 3 is connected to the first valve body 22. The hardness adjustment device 4 is connected to the second valve body 23 and includes a deformable component, which includes an elastic shell and an elastic filler. The elastic shell 22 is provided with a receiving cavity and an opening. The elastic filler fills the receiving cavity, and the opening is connected to the second valve body 23. When the first valve body 22 is in an inflated state, the first air bag 3 is connected to the air outlet 12 of the air source 1 component through the first valve body 22, so that the first air bag 3 expands and deforms under the action of positive pressure; when the first valve body 22 is in a deflated state, the first air bag 3 is connected to the air inlet 11 of the air source 1 through the first valve body 22, so that the first air bag 3 recovers its deformation under the action of negative pressure. When the second valve body 23 is in a deflated state, the soft and hard adjustment device 4 is connected to the air inlet 11 of the air source 1 through the second valve body 23, so that the soft and hard adjustment device 4 contracts and deforms under the action of negative pressure, and the hardness of the soft and hard adjustment device 4 increases. When the second valve body 23 is in an inflated state, the soft and hard adjustment device 4 is connected to the external environment or the air inlet 11 of the air source 1 through the second valve body 23, so that the soft and hard adjustment device 4 recovers its deformation under normal pressure or positive pressure, and the hardness of the soft and hard adjustment device 4 decreases. When the second valve body 23 is in a pressure maintaining state, the soft and hard adjustment device 4 enters the pressure maintaining mode, and the hardness of the soft and hard adjustment device 4 remains unchanged.

[0026] In the above manner, when the hardness of the soft-hard adjustment device 4 increases, the soft-hard adjustment device 4 can shrink and deform under the action of negative pressure to adapt to the curve of the human body and improve the comfort of use.

[0027] It is understood that the deformation adapted to the human body curve here refers to the fact that after the hard-softening and hard-softening device 4 carries the human body, the human body first applies pre-compression deformation to the hard-softening and hard-softening device 4 so that the hard-softening and hard-softening device 4 adapts to the human body curve and deforms, and then the hard-softening and hard-softening device 4 contracts and deforms under the action of negative pressure, increasing the hardness so that the deformed shape of the hard-softening and hard-softening device 4 is fixed and conforms to the human body curve. It is also understood that after the hard-softening and hard-softening device 4 is deformed and conforms to the human body curve, even if the human body separates from the hard-softening and hard-softening device 4, that is, the human body removes the pre-compression on the hard-softening and hard-softening device 4, the fixed shape of the hard-softening and hard-softening device remains unchanged, and when the human body sits down again, it still conforms to the human body curve.

[0028] It should be noted that the hardness of the softness / hardness adjustment device 4 remaining unchanged refers to the hardness of the softness / hardness adjustment device 4 remaining unchanged when not bearing any object or being pressed by any object.

[0029] It should also be noted that the gas source includes but is not limited to an air pump, an air tank or an air compressor.

[0030] In some embodiments, the first air bag 3 is used as a massage air bag, and the softness and hardness adjustment device 4 is used as a seat cushion 200 support air bag or a hip support air bag.

[0031] In some embodiments, the elastic filler is formed from a foam material. In this way, the deformable component can have good elasticity and a basic support height.

[0032] In some embodiments, the cross-sectional shape of the receiving cavity along the length, width, or height of the elastic shell is the same as the cross-sectional shape of the elastic filler, and the cross-sectional area of ​​the receiving cavity is equal to the cross-sectional area of ​​the elastic filler. This allows the elastic filler to completely fill the receiving cavity, reducing the likelihood of the elastic filler shifting during elastic deformation.

[0033] For the above-mentioned pneumatic comfort system 100, in some embodiments, the pneumatic comfort system 100 also includes a second air bag (not shown in the figure), which is connected to the second valve body 23, and the second air bag is used as a lumbar support air bag; when the second valve body 23 is in a deflated state, the second air bag is connected to the air inlet 11 of the air source 1 through the second valve body 23, so that the second air bag shrinks and deforms under the action of negative pressure, deforms to adapt to the curve of the human body, and the hardness of the second air bag increases. When the second valve body 23 is in an inflated state, the second air bag is connected to the external environment or the air inlet 11 of the air source 1 through the second valve body 23, so that the second air bag recovers its deformation under normal pressure or positive pressure, and the hardness of the second air bag decreases. When the second valve body 23 is in a pressure maintaining state, the second air bag enters the pressure maintaining mode, and the hardness of the second air bag remains unchanged.

[0034] For the above-mentioned pneumatic comfort system 100, in some embodiments, the pneumatic comfort system 100 also includes a third air bag (not shown in the figure), which is connected to the second valve body 23, and the third air bag is used as a side support air bag; when the second valve body 23 is in a deflated state, the third air bag is connected to the air inlet 11 of the air source 1 through the second valve body 23, so that the third air bag shrinks and deforms under the action of negative pressure, deforms to adapt to the curve of the human body, and the hardness of the third air bag increases. When the second valve body 23 is in an inflated state, the third air bag is connected to the external environment or the air inlet 11 of the air source 1 through the second valve body 23, so that the third air bag recovers its deformation under normal pressure or positive pressure, and the hardness of the third air bag decreases. When the second valve body 23 is in a pressure maintaining state, the third air bag enters the pressure maintaining mode, and the hardness of the third air bag remains unchanged.

[0035] It should be noted that, in some embodiments, the second air bag is used as a waist support air bag, and the third air bag is used as a side support air bag.

[0036] Among them, when the second air bag and the third air bag are both connected to the second valve body 23, the second valve body 23 can realize the synchronous supply of gas to the soft and hard adjustment device 4, the second air bag and the third air bag, avoiding the addition of a new valve body, which helps to simplify the overall structure of the pneumatic comfort system 100 and reduce the overall volume of the pneumatic comfort system 100.

[0037] For the pneumatic comfort system 100, in some embodiments, see Figure 1 The pneumatic comfort system 100 further includes a high-pressure tank 5 and a low-pressure tank 6. One end of the high-pressure tank 5 is connected to the gas outlet 12 of the gas source 1, and the other end of the high-pressure tank 5 is connected to the first valve body 22 and the second valve body 23, respectively. One end of the low-pressure tank 6 is connected to the gas inlet 11 of the gas source 1, and the other end of the low-pressure tank 6 is connected to the first valve body 22 and the second valve body 23, respectively. This approach can reduce the burden on the gas source 1, improve the response speed of gas regulation, and avoid the delay in gas regulation caused by the lag of the gas source 1.

[0038] For the pneumatic comfort system 100, in some embodiments, see Figure 1 The fluid dispensing device 2 also includes an air pressure sensor, which is mounted on the second valve body 23. The air pressure sensor is used to monitor the air pressure within the hardness / softness adjustment device 4 when the hardness / softness adjustment device 4 recovers its deformation under the action of positive pressure through the second valve body 23. In this manner, when the second valve body 23 is connected to the high-pressure tank 5, the high pressure causes the gas flow rate to accelerate. Therefore, the air pressure sensor can monitor the air pressure within the hardness / softness adjustment device 4 in real time, preventing the hardness / softness adjustment device 4 from overcharging and causing safety hazards.

[0039] For the above-mentioned fluid distribution device 2, in some embodiments, please refer to Figure 2The fluid distribution device 2 includes a housing 21, a plurality of first valve bodies 22 and a plurality of second valve bodies 23. The plurality of first valve bodies 22 are all arranged on the housing 21. The first valve body 22 is provided with a first inflation port 221, a first deflation port 222 and a first valve port 223. The first valve port 223 is used to connect to the first air bag 3. The first valve body 22 has a switchable inflation state and a deflation state. When the first valve port 223 is connected to the first inflation port 221, the first valve body 22 is in the inflation state. When the first valve port 223 is connected to the first deflation port 222, the first valve body 22 is in the deflation state. The second valve body 23 is provided on the shell body 21, and the second valve body 23 is provided with a second air release port 230, a second air charging port 231 and a second valve port 232. The second valve port 232 is used to connect the soft and hard adjustment device 4, wherein the second valve body 23 has a switchable air release state, an air charging state and a pressure maintaining state. When the second valve port 232 is connected to the second air release port 230, the second valve body 23 is in the air release state. When the second valve port 232 is connected to the second air charging port 231, the second valve body 23 is in the air charging state. When the second air release port 230 and the second air charging port 231 are both closed, the second valve body 23 is in the pressure maintaining state.

[0040] In the above manner, the first valve body 22 can inflate or deflate the air bag, so that the air bag is inflated and deformed or deflated and restored to its original shape, thereby satisfying the massage function of the air bag. The second valve body 23 can perform negative pressure deflation / exhaustion / inhalation, positive pressure inflation or pressure maintenance on the soft and hard adjustment device 4, so that the soft and hard adjustment device 4 is negatively contracted and deformed, inflated and restored to its original shape or the shape remains unchanged, thereby satisfying the soft and hard adjustment function of the soft and hard adjustment device 4. Therefore, the fluid distribution device 2 can perform differentiated control on different types of actuators.

[0041] Furthermore, in some embodiments, the second air bag and the third air bag are connected to the second valve port 232 of the second valve body 23 .

[0042] For the above-mentioned fluid distribution device 2, in some embodiments, please refer to Figure 2 The shell 21 is provided with a first gas passage 211 and a second gas passage 212. The first gas passage 211 is used to communicate with the gas outlet 12 of the gas source 1, and the second gas passage 212 is used to communicate with the gas inlet 11 of the gas source 1; the first inflation ports 221 of the multiple first valve bodies 22 are all connected to the first gas passage 211, and the first deflation ports 222 of the multiple first valve bodies 22 are all connected to the second gas passage 212; the second deflation ports 230 of the multiple second valve bodies 23 are all connected to the second gas passage 212, and the second inflation ports 231 of the multiple second valve bodies 23 are all connected to the first gas passage 211 or the external environment.

[0043] Among them, when the second inflation ports 231 of multiple second valve bodies 23 are all connected to the first gas passage 211, the second valve ports 232 of multiple second valve bodies 23 can supply air at positive pressure to quickly restore the soft and hard adjustment device 4 from the contraction and deformation state; when the second inflation ports 231 of multiple second valve bodies 23 are all connected to the external environment, the second valve ports 232 of multiple second valve bodies 23 can supply air at normal pressure to restore the soft and hard adjustment device 4 from the contraction and deformation state.

[0044] For the above-mentioned fluid distribution device 2, in some embodiments, there are multiple air pressure sensors, and multiple air pressure sensors are arranged in a one-to-one correspondence with multiple second valve bodies 23, that is, one air pressure sensor is arranged at the second valve port 232 of a second valve body 23, and one air pressure sensor is used to monitor the air pressure of the soft and hard adjustment device 4 when a second valve body 23 supplies air to the soft and hard adjustment device 4.

[0045] For the above-mentioned fluid distribution device 2, in some embodiments, please refer to Figure 3 and Figure 4 The first valve body 22 includes a first valve housing 224, a first valve core 225 and a first electromagnetic member 226. The first inflation port 221, the first deflation port 222 and the first valve port 223 are all located in the first valve housing 224. The first inflation port 221 and the first deflation port 222 are arranged opposite to each other. The first valve port 223 is arranged between the first inflation port 221 and the first deflation port 222. The first valve core 225 is movably arranged in the first valve housing 224. The first electromagnetic member 226 is arranged in the first valve housing 224. The magnetic element 226 is used to drive the first valve core 225 to move when powered. When the first valve core 225 is in a preset first position, the first valve core 225 closes the first deflation port 222, and the first valve port 223 communicates with the first inflation port 221, thereby placing the first valve body 22 in an inflated state. When the first valve core 225 is in a preset second position, the first valve core 225 closes the first inflation port 221, and the first valve port 223 communicates with the first deflation port 222, thereby placing the first valve body 22 in a deflated state. In this manner, the first valve body 22 constitutes a solenoid valve.

[0046] For the above-mentioned fluid distribution device 2, in some embodiments, please refer to Figures 5 to 7The second valve body 23 includes a second valve housing 233, a second valve core 234, a third valve core 235, a second electromagnetic component 236 and a third electromagnetic component 237. The second air release port 230, the second air charging port 231 and the second valve port 232 are all located in the second valve housing 233. The second air release port 230 is arranged between the second air charging port 231 and the second valve port 232. The second valve core 234 and the third valve core 235 are both movably arranged in the second valve housing 233. The second electromagnetic component 236 and the third electromagnetic component 237 are both arranged in the second valve housing 233. The second electromagnetic component 236 is used to drive the second valve core 234 to move when powered on, and the third electromagnetic component 237 is used to drive the third valve core 235 to move when powered on. When the second valve core 234 and the third valve core 235 are in the preset first position, the second valve core 234 blocks the second charging port 231, and the second valve port 232 communicates with the second deflation port 230, so that the second valve body 23 is in a deflated state. When the second valve core 234 and the third valve core 235 are in the preset second position, the third valve core 235 blocks the second deflation port 230, and the second valve port 232 communicates with the second charging port 231, so that the second valve body 23 is in an inflated state. When the second valve core 234 and the third valve core 235 are in the preset third position, the second valve core 234 blocks the second charging port 231, and the third valve core 235 blocks the second deflation port 230, so that the second valve body 23 is in a pressure-maintaining state. In this manner, the second valve body 23 constitutes a solenoid valve.

[0047] For the above-mentioned fluid distribution device 2, in some embodiments, please refer to Figures 8 to 10The second valve body 23 includes a second valve housing 233, a second valve core 234, a third valve core 235, a first actuator 238 and a second actuator 239. The second air release port 230, the second air charging port 231 and the second valve port 232 are all located in the second valve housing 233. The second valve port 232 is arranged between the second air release port 230 and the second air charging port 231. The second valve core 234 and the third valve core 235 are both movably arranged in the second valve housing 233. The first actuator 238 and the second actuator 239 are both arranged in the second valve housing 233. The first actuator 238 is connected to the second valve core 234, and the second actuator 239 is connected to the third valve core 235. When the second valve core 234 and When the third valve core 235 is in the preset first position, the third valve core 235 blocks the second inflation port 231, and the second valve port 232 communicates with the second deflation port 230, thereby placing the second valve body 23 in a deflated state. When the second valve core 234 and the third valve core 235 are in the preset second position, the second valve core 234 blocks the second deflation port 230, and the second valve port 232 communicates with the second inflation port 231, thereby placing the second valve body 23 in an inflated state. When the second valve core 234 and the third valve core 235 are in the preset third position, the second valve core 234 blocks the second deflation port 230, and the third valve core 235 blocks the second inflation port 231, thereby placing the second valve body 23 in a pressure-maintaining state. In this manner, the second valve body 23 constitutes an SMA valve.

[0048] Further, in some embodiments, see Figures 8 to 10 The first actuator 238 includes a first connecting rod 2381, a first shape memory alloy wire 2382, a first spring 2383 and a first circuit board 2384. The first connecting rod 2381, the first shape memory alloy wire 2382, the first spring 2383 and the first circuit board 2384 are all arranged in the second valve housing 233. One end of the first connecting rod 2381 is connected to the second valve core 234, and the other end of the first connecting rod 2381 is connected to the first shape memory alloy wire 2382. The first shape memory alloy wire 2382 is electrically connected to the first circuit board 2384. And / or, in some embodiments, the second actuator 239 includes a second connecting rod 2391, a second shape memory alloy wire 2392, a second spring 2393, and a second circuit board 2394. The second connecting rod 2391, the second shape memory alloy wire 2392, the second spring 2393, and the second circuit board 2394 are all disposed within the second valve housing 233. One end of the second connecting rod 2391 is connected to the third valve core 235, and the other end of the second connecting rod 2391 is connected to the second shape memory alloy wire 2392. The second shape memory alloy wire 2392 is electrically connected to the second circuit board 2394. In this manner, the shape memory alloy wire is electrically heated and deformed when energized, thereby driving the connecting rod to control the movement of the valve core.

[0049] For the above-mentioned soft and hard adjustment device 4, in some embodiments, please refer to Figures 11 to 13 There are two deformable components, namely a first deformable component 41 and a second deformable component 42. The first deformable component 41 includes a first elastic shell 411 and a first elastic filler 412. The first elastic shell 411 is provided with a first receiving cavity 4111 and a first opening 4112 that are interconnected. The first elastic filler 412 is filled in the first receiving cavity 4111. The first deformable component 41 is superimposed on the second deformable component 42. The second deformable component 42 includes a second elastic shell 421 and a second elastic filler 422. The second elastic shell 421 is provided with a second receiving cavity 4211 and a second opening 4212 that are interconnected. The second elastic filler 422 is filled in the second receiving cavity 4211. When the first elastic shell 411 is exhausted through the first opening 4112 and the second elastic shell 42 is exhausted, When air is inflated through the second opening 4212, the first elastic shell 411 contracts and deforms, the first elastic filler 412 is compressed and deforms to adapt to the curve of the human body, the height of the first deformable component 41 decreases, the hardness of the first deformable component 41 increases, the second elastic shell 421 expands and deforms, the second elastic filler 422 expands, and the height of the second deformable component 42 increases; when the first elastic shell 411 is inflated through the first opening 4112 and the second elastic shell 421 is exhausted through the second opening 4212, the first elastic shell 411 expands and recovers its deformation, the first elastic filler 412 expands, the height of the first deformable component 41 increases, the hardness of the first deformable component 41 decreases, the second elastic shell 421 contracts and recovers its deformation, the second elastic filler 422 is compressed, and the height of the second deformable component 42 decreases.

[0050] In the above manner, when the first deformable component 41 decreases in height due to hardness adjustment, the second deformable component 42 can be adjusted in height so that the overall height of the first deformable component 41 and the second deformable component 42 changes little or remains unchanged, that is, when the hardness adjustment device 4 adjusts the hardness, the height changes little or remains unchanged, thereby reducing the probability of causing the user's posture to change and improving the comfort of use.

[0051] It should be noted that the first deformable component 41 is used to directly support the human body, and the second deformable component 42 is used to support the first deformable component 41, that is, the second deformable component 42 is used to indirectly support the human body.

[0052] It should also be noted that in the process of adjusting the hardness and softness of the hardness adjustment device 4, when the hardness of the first deformable component 41 increases and its height decreases, the height of the second deformable component 42 can be increased to form height compensation, so that when the user feels that the hardness of the hardness adjustment device 4 becomes harder, the overall height of the hardness adjustment device 4 changes little or remains unchanged; conversely, when the hardness of the first deformable component 41 decreases and its height increases, the height of the second deformable component 42 can be decreased to form height balance, so that when the user feels that the hardness of the hardness adjustment device 4 becomes softer, the overall height of the hardness adjustment device 4 also changes little or remains unchanged.

[0053] For the above-mentioned soft and hard adjustment device 4, in some embodiments, please refer to Figure 14 The first elastic filler is formed from a foam material; and / or the second elastic filler is formed from a foam material. Through the above-mentioned method, the first deformable component 41 and / or the second deformable component 42 can have good elasticity and a basic support height.

[0054] For the above-mentioned soft and hard adjustment device 4, in some embodiments, please refer to Figures 11 to 13 The soft-hard adjustment device 4 further includes a connecting structure 43, which is disposed between the first elastic shell 411 and the second elastic shell 421. The connecting structure 43 secures the first elastic shell 411 and the second elastic shell 421 to each other. The connecting structure 43 improves the connection stability between the first elastic shell 411 and the second elastic shell 421, reduces the relative displacement between the first elastic shell 411 and the second elastic shell 421, and reduces the misalignment of the first elastic shell 411 and the second elastic shell 421 during deformation.

[0055] The connection structure 43 is a snap structure, a viscose structure, a stitching structure, a lacing structure, a hot pressing structure or a Velcro structure.

[0056] For example, in some embodiments, when the connecting structure 43 is a snap-on structure, it includes a first snap-on and a second snap-on. The first snap-on is fixed to the surface of the first elastic shell 411 facing the second elastic shell 421 by means of glue, hot melt or stitching, and the second snap-on is fixed to the surface of the second elastic shell 421 facing the first elastic shell 411 by means of glue, hot melt or stitching. The first snap-on and the second snap-on are snapped together to fix the first elastic shell 411 and the second elastic shell 421 to each other, which can improve the connection stability of the first elastic shell 411 and the second elastic shell 421 while facilitating the disassembly and assembly of the first elastic shell 411 and the second elastic shell 421.

[0057] Alternatively, in other embodiments, when the connecting structure 43 is a Velcro structure, it includes a first Velcro 431 and a second Velcro 432. The first Velcro 431 is fixed to the surface of the first elastic shell 411 facing the second elastic shell 421 by glue, hot melt or stitching, and the second Velcro 432 is fixed to the surface of the second elastic shell 421 facing the first elastic shell 411 by glue, hot melt or stitching. The first Velcro 431 and the second Velcro 432 are pasted to fix the first elastic shell 411 and the second elastic shell 421 to each other, which can improve the connection stability of the first elastic shell 411 and the second elastic shell 421 while facilitating the disassembly and assembly of the first elastic shell 411 and the second elastic shell 421.

[0058] For the above-mentioned soft and hard adjustment device 4, in some embodiments, please refer to Figures 11 to 13 Along the direction in which the first deformable component 41 is stacked on the second deformable component 42, the second elastic housing 421 has a top and a bottom that are oppositely disposed, with the top attached to the first deformable component 41. The second deformable component 42 also includes a flattening structure 44 disposed within the second elastic housing 421. This flattening structure 44 is used to constrain the top of the second deformable component 42 to maintain a flat surface when the height of the second deformable component 42 rises or falls. This improves the flatness of the second deformable component 42 when the height of the second deformable component 42 rises, thereby reducing localized bulging or collapse of the second deformable component 42.

[0059] Further, in some embodiments, see Figures 11 to 13 The flat structure 44 includes a plurality of traction belts 441, each of which has two ends connected to the top and bottom, respectively. The plurality of traction belts 441 are spaced apart in a direction perpendicular to the first deformable component 41 stacked on the second deformable component 42. For example, in some embodiments, the plurality of traction belts 441 are located within the first elastic shell 411, with the two ends of the plurality of traction belts 441 connected to the inner surface of the top and the inner surface of the bottom, respectively. Alternatively, in other embodiments, the plurality of traction belts 441 are located outside the first elastic shell 411, with the two ends of the plurality of traction belts 441 connected to the outer surface of the top and the outer surface of the bottom, respectively. It is understood that the traction belts 441 are linear plastic belts, nylon belts, woven belts, or non-woven belts, etc.

[0060] Further, in some embodiments, see Figures 11 to 13 The flat structure 44 includes a plurality of restraining belt loops 442, which are sleeved on the second elastic shell 421 and spaced apart perpendicular to the direction in which the first deformable component 41 is stacked on the second deformable component 42. It is understood that the restraining belt can be a ring-shaped plastic belt, nylon belt, woven belt, or non-woven belt.

[0061] It should be noted that the flat structure 44 may have a plurality of traction belts 441 or a plurality of restraint belts, or may have a plurality of traction belts 441 and a plurality of restraint belts at the same time.

[0062] Regarding the above-mentioned softness and hardness adjustment device 4, in some embodiments, along a first direction, the cross-sectional shape of the first receiving cavity 4111 is the same as the cross-sectional shape of the first elastic filler 412, and the cross-sectional area of ​​the first receiving cavity 4111 is equal to the cross-sectional area of ​​the first elastic filler 412. The first direction is the length, width, or height direction of the first elastic shell 411; and / or, along a second direction, the cross-sectional shape of the second receiving cavity 4211 is the same as the cross-sectional shape of the second elastic filler 422, and the cross-sectional area of ​​the second receiving cavity 4211 is equal to the cross-sectional area of ​​the second elastic filler 422. The second direction is the length, width, or height direction of the second elastic shell 421. In this way, the first receiving cavity 4111 and the first elastic filler 412 can be made to have the same shape and size, that is, the first elastic filler 412 fills the first receiving cavity 4111; and / or the second receiving cavity 4211 and the second elastic filler 422 can be made to have the same shape and size, that is, the second elastic filler 422 fills the second receiving cavity 4211.

[0063] Regarding the aforementioned softness / hardness adjustment device 4, in some embodiments, along the third direction, the cross-sectional shape of the first elastic shell 411 is the same as the cross-sectional shape of the second elastic shell 421, and the cross-sectional area of ​​the first elastic shell 411 is equal to the cross-sectional area of ​​the second elastic shell 421. The third direction is the length direction, width direction, or height direction of the first elastic shell 411 or the second elastic shell 421. In this way, the first elastic shell 411 and the second elastic shell 421 can be made to have the same shape and size.

[0064] See also Figure 15 The present invention further provides an embodiment of a seat 1000, which includes the above-mentioned pneumatic comfort system 100. The specific structure and function of the above-mentioned pneumatic comfort system 100 can be found in the above-mentioned embodiment, and will not be described in detail here.

[0065] For the above-mentioned seat 1000, in some embodiments, the seat 1000 includes a seat cushion 200, a backrest 300 and the above-mentioned pneumatic comfort system 100, the seat cushion 200 is rotatably connected to the backrest 300, and along the width direction of the seat cushion 200, the seat cushion 200 is provided with a first area and a second area. The number of the soft and hard adjustment devices 4 of the pneumatic comfort system 100 is two, one soft and hard adjustment device 4 is embedded in the first area, and the other soft and hard adjustment device 4 is embedded in the second area. The two soft and hard adjustment devices 4 are used to align the two sides of the human body's buttocks when the human body sits on the seat cushion 200.

[0066] The present invention further provides an embodiment of a vehicle, which includes the above-mentioned seat 1000. The specific structure and function of the above-mentioned seat 1000 can be found in the above-mentioned embodiment, and will not be described in detail here.

[0067] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A soft and hard adjustment device, characterized in that: include: The first deformable component includes a first elastic shell and a first elastic filler, wherein the first elastic shell is provided with a first receiving cavity and a first opening that are interconnected, and the first elastic filler is filled in the first receiving cavity; a second deformable component, wherein the first deformable component is stacked on the second deformable component, the second deformable component comprises a second elastic shell and a second elastic filler, the second elastic shell is provided with a second receiving cavity and a second opening that are communicated with each other, and the second elastic filler is filled in the second receiving cavity; When the first elastic shell is exhausted through the first opening and the second elastic shell is inflated through the second opening, the first elastic shell contracts and deforms, the first elastic filler is compressed, the height of the first deformable component decreases, and the hardness of the first deformable component increases; the second elastic shell expands and deforms, the second elastic filler expands, and the height of the second deformable component increases; When the first elastic shell is inflated through the first opening and the second elastic shell is exhausted through the second opening, the first elastic shell expands and recovers its deformation, the first elastic filler expands, the height of the first deformable component increases, the hardness of the first deformable component decreases, the second elastic shell contracts and recovers its deformation, the second elastic filler is compressed, and the height of the second deformable component decreases.

2. The soft and hard adjustment device according to claim 1, characterized in that: The soft and hard adjustment device further includes a connecting structure, which is arranged between the first elastic shell and the second elastic shell, and the connecting structure fixes the first elastic shell and the second elastic shell to each other.

3. The soft and hard adjustment device according to claim 2, characterized in that: The connection structure is a buckle structure, a viscose structure, a stitching structure, a lacing structure, a hot pressing structure or a Velcro structure.

4. The soft and hard adjustment device according to claim 1, characterized in that: The first elastic filler is formed by foaming material; and / or, The second elastic filler is formed by foaming material.

5. The soft and hard adjustment device according to claim 1, characterized in that: Along the direction in which the first deformable component is stacked on the second deformable component, the second elastic shell has a top and a bottom that are oppositely arranged, and the top is attached to the first deformable component; The second deformable component further includes a flat structure, which is provided on the second elastic shell. The flat structure is used to constrain the top when the height of the second deformable component rises or falls, so that the top remains flat.

6. The soft and hard adjustment device according to claim 5, characterized in that: The flat structure includes a plurality of traction belts, both ends of which are connected to the top and the bottom respectively, and the plurality of traction belts are arranged at intervals along a direction perpendicular to the first deformable component stacked on the second deformable component.

7. The soft and hard adjustment device according to claim 6, characterized in that: The plurality of traction belts are located in the first elastic shell, and the two ends of the plurality of traction belts are respectively connected to the inner surface of the top and the inner surface of the bottom; or, The plurality of traction belts are located outside the first elastic shell, and two ends of the plurality of traction belts are respectively connected to the outer surface of the top and the outer surface of the bottom.

8. The soft and hard adjustment device according to claim 5, characterized in that: The flat structure includes a plurality of restraint rings, which are sleeved on the second elastic shell and arranged at intervals along a direction perpendicular to the first deformable component and stacked on the second deformable component.

9. The soft and hard adjustment device according to claim 1, characterized in that: Along a first direction, a cross-sectional shape of the first receiving cavity is the same as a cross-sectional shape of the first elastic filler, and a cross-sectional area of ​​the first receiving cavity is equal to a cross-sectional area of ​​the first elastic filler. The first direction is a length direction, a width direction, or a height direction of the first elastic shell. and / or, Along the second direction, the cross-sectional shape of the second receiving cavity is the same as the cross-sectional shape of the second elastic filler, the cross-sectional area of ​​the second receiving cavity is equal to the cross-sectional area of ​​the second elastic filler, and the second direction is the length direction, width direction or height direction of the second elastic shell.

10. The soft and hard adjustment device according to claim 1, characterized in that: Along the third direction, the cross-sectional shape of the first elastic shell is the same as the cross-sectional shape of the second elastic shell, and the cross-sectional area of ​​the first elastic shell is equal to the cross-sectional area of ​​the second elastic shell. The third direction is the length direction, width direction or height direction of the first elastic shell or the second elastic shell.

11. A pneumatic comfort system, characterized in that: It includes an air source, a high-pressure tank, a low-pressure tank and a soft and hard adjustment device as described in any one of claims 1 to 10, one end of the high-pressure tank is connected to the air outlet of the air source, the other end of the high-pressure tank is connected to the first opening of the soft and hard adjustment device, one end of the low-pressure tank is connected to the air inlet of the air source, and the other end of the low-pressure tank is connected to the second opening of the soft and hard adjustment device.

12. A seat, characterized in that: Comprising the pneumatic comfort system of claim 11.

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