Waist support air bag assembly, pneumatic waist support supporting system and intelligent equipment

Abstract

The utility model discloses a waist support air bag assembly, a pneumatic waist support supporting system and intelligent equipment. The waist support air bag assembly comprises a mounting plate and a plurality of waist support air bags. The multiple waist supporting air bags are sequentially arranged on the mounting plate in the first direction, each waist supporting air bag comprises an air bag body, a first connecting part, a second connecting part and a third connecting part, the first connecting parts, the second connecting parts and the third connecting parts are arranged on the air bag bodies and connected with the mounting plate, and the first connecting parts, the second connecting parts and the third connecting parts are arranged in the second direction. The second connecting part is located between the first connecting part and the third connecting part, the second direction intersects with the first direction, and the second connecting part is located between the connecting line of the first connecting part and the third connecting part and the air bag body in the first direction. According to the lumbar support air bag assembly, the lumbar support air bag is high in installation stability on the installation plate and not prone to turning over, and the stable supporting effect of the lumbar support air bag during inflation expansion and the stable reset of the lumbar support air bag relative to the installation plate during deflation are guaranteed.

Description

Technical Field

[0001] The embodiments of the utility model relate to the technical field of pneumatic comfort systems, and in particular to a lumbar support air bag assembly, a pneumatic lumbar support system and an intelligent device. Background Art

[0002] A pneumatic lumbar support system is a device that can be used in car seats, office seats, or other types of seats or mattresses. It usually includes a lumbar support air bag, an air distribution device, and an air supply device, wherein the lumbar support air bag is connected to the air supply device through the fluid of the air distribution device. When the pneumatic lumbar support system is installed, a number of lumbar support air bags are arranged and set on equipment such as seats or mattresses. The purpose is to provide ergonomic lumbar support when the lumbar support air bags are inflated, thereby improving the comfort of the seat or mattress. At present, when the pneumatic lumbar support system is assembled, the lumbar support air bag is usually fixed to a mounting plate such as a felt board. The felt board is provided with a connecting ear, which can be flipped relative to the felt board body. The upper left and right end connecting parts of the lumbar support air bag are respectively fixedly connected to a connecting ear so that the left and right ends of the upper part of the lumbar support air bag are fixed to the felt board.

[0003] Because the connecting ears can flip relative to the felt board body, the lumbar support airbag has a tendency to flip relative to the felt board when inflated. The higher the inflated height of the lumbar support airbag, the more obvious the flipping tendency relative to the felt board. In particular, when the lumbar support airbag is a double-layer bag or a multi-layer bag, since the height of the double-layer bag or the multi-layer bag after inflation is higher than that of the single-layer bag, it is more likely to cause the lumbar support airbag to flip backward after inflation, affecting the support effect of the lumbar support airbag. Moreover, when the pneumatic lumbar support system is assembled on the seat, the lumbar support airbag is located in the accommodation space formed between the felt board and the sponge layer / cover of the seat. The lumbar support airbag is likely to pop out of the accommodation space after inflation and flipping. In addition, since there is a gap between the double-layer bag body or the multi-layer bag body of the lumbar support air bag, when adjacent lumbar support air bags are partially overlapped, the bag body layer of the air bag main body that is partially overlapped and embedded in the gap between the double-layer bag body or the multi-layer bag body of the adjacent lumbar support air bag flips over and pops out from between the gap between the double-layer bag body or the multi-layer bag body of the adjacent lumbar support air bag during the inflation process, and during the flipping and popping-out process, it rubs against the double-layer bag body or the multi-layer bag body of the adjacent lumbar support air bag, generating obvious noise. Utility Model Content

[0004] The main technical problem solved by the embodiments of the present utility model is to provide a lumbar support air bag assembly, a pneumatic lumbar support system and an intelligent device, which can reduce the probability of the lumbar support air bag flipping.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the present utility model is: providing a lumbar support airbag assembly, including a mounting plate and a plurality of lumbar support airbags; the plurality of lumbar support airbags are arranged on the mounting plate in sequence along a first direction, the lumbar support airbag includes an airbag main body, a first connecting part, a second connecting part and a third connecting part, the first connecting part, the second connecting part and the third connecting part are arranged on the airbag main body, the first connecting part, the second connecting part and the third connecting part are connected to the mounting plate so that the lumbar support airbag is installed on the mounting plate, along the second direction, the second connecting part is located between the first connecting part and the third connecting part, the second direction intersects with the first direction, and along the first direction, the second connecting part is located between the line connecting the first connecting part and the third connecting part and the airbag main body.

[0006] Optionally, the mounting plate includes a body and a first connecting ear, the first connecting ear is connected to the body, the first connecting ear can be folded relative to the body, and the first connecting portion is fixed to the first connecting ear.

[0007] Optionally, the mounting plate includes a body and a second connecting ear, the second connecting ear is connected to the body, the second connecting ear can be folded relative to the body, and the third connecting portion is fixed to the second connecting ear.

[0008] Optionally, any two adjacent waist support air bags at least partially overlap.

[0009] Optionally, along the second direction, the middle portion of the airbag body has a relatively narrow waist and an inner concave portion, and the second connecting portion is fixed to the inner concave portion.

[0010] Optionally, the connection point where the second connection portion is connected to the mounting plate includes a first connection point, the airbag body has a first width along the second direction, and the first connection point is located on a midline of the first width.

[0011] Optionally, the connection points where the second connection portion is connected to the mounting plate also include a second connection point and a third connection point. Along the second direction, the first connection point is located between the second connection point and the third connection point. Along the first direction, the first connection point is located between the line connecting the second connection point and the third connection point and the airbag body.

[0012] Optionally, the airbag body includes a first bag body layer and several second bag body layers, the first bag body layer and the several second bag body layers are connected in sequence along the main deformation direction, and the first connecting part, the second connecting part and the third connecting part are connected to the first bag body layer.

[0013] In order to solve the above technical problems, another technical solution adopted in the embodiment of the present invention is: to provide a pneumatic lumbar support system, including an air source device, a gas distribution device and the above-mentioned lumbar support air bag assembly, and the air source device is ventilatedly connected to several lumbar support air bags of the lumbar support air bag assembly through the gas distribution device.

[0014] In order to solve the above technical problems, another technical solution adopted in the embodiment of the present invention is: providing an intelligent device including the above-mentioned pneumatic lumbar support system.

[0015] The beneficial effects of the embodiments of the present utility model are:

[0016] The lumbar support air bag assembly of the present invention is provided with connecting parts connected to the mounting plate at both ends of the lumbar support air bag and at a position midway between the two ends, and the connecting part at the middle position is located between the line connecting the connecting parts at both ends and the air bag body of the lumbar support air bag, thereby improving the installation stability of the lumbar support air bag on the mounting plate and reducing the probability of the lumbar support air bag flipping relative to the mounting plate.

[0017] The pneumatic lumbar support system of the present invention adopts the above-mentioned lumbar support air bag assembly, so that the air bag body of the lumbar support air bag moves straight up and down along the main deformation direction during the inflation and deflation process, reducing the probability of the air bag body flipping relative to the mounting plate during the inflation process, ensuring the stable support effect of the lumbar support air bag when inflated and the stable recovery and reset relative to the mounting plate when deflated.

[0018] In addition, when the airbag body is a double-layer bag body or a multi-layer bag body, it can reduce the noise generated by the friction between the airbag body and the double-layer bag body or the multi-layer bag body of the airbag body of the adjacent lumbar support airbag during the flipping and popping process, as the airbag body is embedded in the gap between the double-layer bag body or the multi-layer bag body of the airbag body of the adjacent lumbar support airbag when the adjacent lumbar support airbags are partially overlapped. 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 the specific embodiments or the description of 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 This is a schematic diagram of the overall structure of the waist support air bag assembly provided by an embodiment of the utility model;

[0021] Figure 2 This is a partial structural diagram of a waist support air bag assembly provided by an embodiment of the present utility model;

[0022] Figure 3 This is a schematic structural diagram of a mounting plate of a waist support air bag assembly provided by an embodiment of the present utility model;

[0023] Figure 4 This is a schematic cross-sectional structural diagram of an air bag body of a waist support air bag assembly provided by an embodiment of the present utility model;

[0024] Figure 5 This is a schematic diagram of the overall structure of the pneumatic lumbar support system provided by the embodiment of the utility model. Figure 1 ;

[0025] Figure 6 This is a schematic diagram of the overall structure of the pneumatic lumbar support system provided by the embodiment of the utility model. Figure 2 .

[0026] Description of reference numerals:

[0027] 1 mounting plate, 11 body, 12 first connecting ear, 13 second connecting ear;

[0028] 2 Waist support airbag, 21 airbag body, 211 waist, 212 inner concave portion, 213 first bag body layer, 214 second bag body layer, 22 first connecting portion, 23 second connecting portion, 231 first connecting point, 232 second connecting point, 233 third connecting point, 24 third connecting portion;

[0029] 100 lumbar support air bag assembly;

[0030] 200 gas distribution device;

[0031] 300 gas source device;

[0032] 1000 pneumatic lumbar support system;

[0033] Z is the first direction, Y is the second direction. DETAILED DESCRIPTION

[0034] In order to facilitate the 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 to" 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 terms "upper", "lower", "inside", "outside", "vertical", "horizontal", etc. used in this specification indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are 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 a limitation on 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.

[0035] 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 utility model belongs. The terms used in this specification and in the description of this utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the relevant listed items.

[0036] See also Figure 1 and Figure 2 The waist support airbag assembly 100 provided by the embodiment of the present invention includes a mounting plate 1 and a plurality of waist support airbags 2. The mounting plate 1 includes but is not limited to a felt board or short-fiber cotton, and the plurality of waist support airbags 2 are mounted on the mounting plate 1.

[0037] For the above mentioned several lumbar support airbags 2, please refer to Figure 1 and Figure 2 The plurality of lumbar support airbags 2 are sequentially arranged on the mounting plate 1 along a first direction Z. Specifically, the plurality of lumbar support airbags 2 include one or more lumbar support airbags 2. In the illustrated embodiment, three lumbar support airbags 2 are sequentially arranged along the first direction Z and fixed to the mounting plate 1. During use, the first direction Z corresponds to the direction of the waistline of the backrest. In some embodiments, such as when the lumbar support airbags 2 are installed on a seat, the first direction Z can be vertical.

[0038] Regarding the aforementioned plurality of lumbar support airbags 2, in some embodiments, when the plurality of lumbar support airbags 2 are sequentially arranged and secured to the mounting plate 1, any two adjacent lumbar support airbags 2 at least partially overlap. This partial overlap between any two adjacent lumbar support airbags 2 prevents gaps from forming between them, allowing the plurality of lumbar support airbags 2 to be arranged in a closely connected, continuous arrangement. This provides a smoother support experience between any two adjacent lumbar support airbags 2, avoiding the foreign body sensation caused by noticeable gaps, and enhancing the lumbar support experience.

[0039] Please refer to Figure 2 As shown, the waist support airbag 2 includes an airbag body 21, a first connecting portion 22, a second connecting portion 23 and a third connecting portion 24. The airbag body 21 is the main part of the waist support airbag 2 and provides support when it is inflated and deformed.

[0040] Specifically, for the aforementioned lumbar support airbags 2, several lumbar support airbags 2 are arranged sequentially along a first direction Z, with the direction intersecting the first direction Z being defined as a second direction Y. This second direction Y intersects the first direction Z and can specifically be perpendicular to the first direction Z. When in use, the first direction Z is defined as vertical, and the corresponding second direction Y intersecting therewith can be horizontal. The airbag body 21 of the lumbar support airbag 2 has a second width along the first direction Z, and the airbag body 21 also has a first width along the second direction Y.

[0041] It can be understood that, according to the setting of the dimensions of the first width and the second width, as well as the setting of the shape of the airbag body 21, the shape of the airbag body 21 may include but is not limited to a long strip shape. For example, in some embodiments, the shape of the airbag body 21 includes but is not limited to a square, oval, circular or polygonal shape.

[0042] In a preferred embodiment, the second width is generally set to be smaller than the first width, so that the shape of the airbag body 21 is arranged in an elongated strip along the second direction Y, so as to adapt to the width of the human waist and back and provide good support for the human waist and back.

[0043] The first connecting portion 22, the second connecting portion 23, and the third connecting portion 24, serving as the areas directly connected to the mounting plate 1, are fixedly mounted on the airbag body 21. The airbag body 21 is connected to the mounting plate 1 via the first connecting portion 22, the second connecting portion 23, and the third connecting portion 24, thereby enabling the lumbar support airbag 2 to be mounted on the mounting plate 1. Specifically, the first connecting portion 22, the second connecting portion 23, and the third connecting portion 24 may be integrally formed with the airbag body 21 or may be welded and fixed to the airbag body 21. For example, they may be integrally formed with the airbag body 21 using a TPU material.

[0044] In a preferred embodiment, the first connection portion 22, the second connection portion 23, and the third connection portion 24 are arranged to be located on the other side of the lumbar support airbag 2 that is opposite to the side on which the lumbar support airbag 2 overlaps and covers the adjacent lumbar support airbag 2. When the first direction Z corresponds to the vertical direction in application, the first connection portion 22, the second connection portion 23, and the third connection portion 24 are arranged to be located on the upper side of the lumbar support airbag 2.

[0045] The first, second, and third connecting portions 22, 23, and 24 are arranged on the airbag body 21 in sequence along the second direction Y. Specifically, the second connecting portion 23 is located between the first and third connecting portions 22, 24 along the second direction Y. In the illustrated embodiment, the first and third connecting portions 22, 24 are connected to the left and right ends of the airbag body 21, while the second connecting portion 23 is connected to the middle of the airbag body 21. Furthermore, along the second direction Y, the first, second, and third connecting portions 22, 23, and 24 are not arranged on the same straight line on the airbag body 21. Specifically, along the first direction Z, the second connecting portion 23 is located between the line connecting the first and third connecting portions 22, 24 and the airbag body 21. Consequently, when the lumbar support airbag 2 is mounted on the mounting plate 1, the second connecting portion 23 is positioned "deeper" than the first and third connecting portions 22, 24, i.e., closer to the airbag body 21.

[0046] When the lumbar support airbag 2 is installed on the mounting plate 1, since the second connection part 23 is located between the first connection part 22 and the third connection part 24, that is, connected to the middle part of the airbag body 21, and the second connection part 23 is arranged at a "deeper" position than the first connection part 22 and the third connection part 24, that is, closer to the airbag body 21, the installation stability of the lumbar support airbag 2 on the mounting plate 1 is improved, so that when the airbag body 21 is inflated, the middle part of the airbag body 21 will be obviously pulled by the second connection part 23, thereby making it difficult for the airbag body 21 to flip over when inflated, thereby improving the support stability and reset stability of the airbag body 21, and the morphological change of the airbag body 21 in the main deformation direction during the inflation and deflation process is close to straight up and down.

[0047] In an optional embodiment, the connection method of the first connecting part 22, the second connecting part 23 and the third connecting part 24 to the mounting plate 1 includes but is not limited to being achieved by welding. For example, in some embodiments, it also includes but is not limited to being achieved by at least one of the connection methods such as gluing, snap-fitting, clamping or magnetic attraction.

[0048] Regarding the fusion connection between the above-mentioned first connection part 22, the second connection part 23 and the third connection part 24 and the mounting plate 1, in some preferred embodiments, mounting holes are opened on the mounting plate 1 at the connection points corresponding to the first connection part 22, the second connection part 23 and the third connection part 24, and the first connection part 22, the second connection part 23 and the third connection part 24 have two connecting pieces arranged opposite to each other front and back, and the front and rear connecting pieces of each connection part are arranged on the side and rear sides of the corresponding mounting hole, and the two connecting pieces are fixed at the corresponding mounting holes by welding at the corresponding mounting holes, thereby realizing fixed connection of the corresponding connection parts on the mounting plate 1.

[0049] Among them, based on the different anti-flip effects of the first connection part 22, the second connection part 23 and the third connection part 24 on the airbag body 21, the second connection part 23 and the mounting plate 1 are directly fixedly connected; the first connection part 22 and the mounting plate 1 can be directly fixedly connected, or be movably connected; and the third connection part 24 and the mounting plate 1 can be directly fixedly connected, or be movably connected.

[0050] In some preferred embodiments, for the above-mentioned mounting plate 1, please refer to Figures 1 to 3 As shown, the mounting plate 1 includes a body 11, a first connecting ear 12, and a second connecting ear 13. The first connecting ear 12 is connected to the body 11 and can be folded relative to the body 11, while the second connecting ear 13 is connected to the body 11 and can be folded relative to the body 11. Furthermore, the first connecting ear 12 and the second connecting ear 13 are configured to correspond to the first connecting portion 22 and the third connecting portion 24, respectively. In the specific embodiment shown, the first connecting ear 12 and the second connecting ear 13 are disposed on the left and right sides of the body 11.

[0051] In some embodiments of the aforementioned lumbar support airbag 2, the first connecting portion 22 is fixed to the first connecting ear 12, the second connecting portion 23 is fixed to the body 11, and the third connecting portion 24 is fixed to the second connecting ear 13. Specifically, the first connecting portion 22 is reversibly connected to the mounting plate 1 via the first connecting ear 12, the second connecting portion 23 is fixed to the mounting plate 1, and the third connecting portion 24 is reversibly connected to the mounting plate 1 via the second connecting ear 13. Because the first and second connecting ears 12, 13 are reversible relative to the body 11, connecting the first and third connecting portions 22, 24 to the body 11 via the first and second connecting ears 12, 13 facilitates the connection between the first and third connecting portions 22, 24 and the body 11. The second connecting portion 23 is directly fixed to the body 11 and positioned deeper relative to the first and third connecting portions 22, 24, thereby minimizing the risk of flipping of the airbag body 21 during inflation.

[0052] It should be noted that, among the plurality of lumbar support air bags 2, if there are more than two lumbar support air bags 2, the first connection portion 22 of each lumbar support air bag 2 can independently or optionally use a first connection ear 12 to be connected to the main body 11 of the mounting plate 1, and the third connection portion 24 of each lumbar support air bag 2 can independently or optionally use a second connection ear 13 to be connected to the main body 11 of the mounting plate 1.

[0053] It can be understood that the manner in which the first connecting portion 22 is fixed to the first connecting ear 12, and the manner in which the third connecting portion 24 is fixed to the second connecting ear 13, include but are not limited to being achieved by welding. For example, in some embodiments, it also includes but is not limited to being achieved by at least one of the connection methods such as gluing, snap-fitting, clamping, or magnetic attraction.

[0054] For the above-mentioned first connecting portion 22, which is fixed to the first connecting ear 12 by welding, and the third connecting portion 24, which is fixed to the second connecting ear 13 by welding, in some embodiments, the first connecting portion 22 has a first connecting piece and a second connecting piece arranged opposite to each other front and back, a first mounting hole is opened on the first connecting ear 12, and the first connecting piece and the second connecting piece are arranged on the front and rear sides of the first mounting hole of the first connecting ear 12. The first connecting piece and the second connecting piece are welded so that the first connecting piece and the second connecting piece are respectively condensed and fixed on the front and rear sides of the first connecting ear 12, thereby fixing the first connecting portion 22 to the first connecting ear 12; and / or, the third connecting portion 24 has a third connecting piece and a fourth connecting piece arranged opposite to each other front and back, a second mounting hole is opened on the second connecting ear 13, and the third connecting piece and the fourth connecting piece are arranged on the front and rear sides of the second mounting hole of the second connecting ear 13. The third connecting piece and the fourth connecting piece are welded so that the third connecting piece and the fourth connecting piece are respectively condensed and fixed on the front and rear sides of the second connecting ear 13, thereby fixing the third connecting portion 24 to the second connecting ear 13.

[0055] For the above waist support airbag 2, please refer to Figure 1 and Figure 2 As shown, in some other embodiments, along the second direction Y, the middle portion of the airbag body 21 has a waist portion 211 that is relatively narrowed in the first direction Z and an inner concave portion 212 , and the second connecting portion 23 is fixed to the inner concave portion 212 .

[0056] It should be noted that the waist 211 can be a part of the middle part of the airbag body 21 along the second direction Y, and the inner recess 212 can be another part of the middle part of the airbag body 21 along the second direction Y; or, the waist 211 and the inner recess 212 can be the same position of the middle part of the airbag body 21 along the second direction Y, that is, the middle part of the airbag body 21 along the second direction Y is recessed to form the waist 211.

[0057] The airbag body 21 of the lumbar support airbag 2 is provided with a waist portion 211 and an inner recessed portion 212, so that the airbag body 21 presents a structural design with wide ends and a narrow middle portion. When in use, the wide ends correspond to supporting the muscles on both sides of the human waist spine when supporting the waist, while the narrow middle portion corresponds to supporting the human waist spine, which is more in line with the human waistline and back muscles for comfortable support.

[0058] In addition, the second connection portion 23 is fixed to the inner recess 212, so that the second connection portion 23 is located deeper along the first direction Z between the line connecting the first connection portion 22 and the third connection portion 24 and the airbag body 21, making the airbag body 21 less likely to flip over.

[0059] The connection between the second connecting portion 23 and the main body 11 of the mounting plate 1 may have multiple or single connection points. In some preferred embodiments, the connection points between the second connecting portion 23 and the mounting plate 1 include a first connection point 231. The first connection point 231 is located on the midline of the first width. Optionally, the first connection point 231 is located on a cutting line of the waist portion 211 of the airbag main body 21 along the first direction Z, thereby allowing the second connecting portion 23 to more centrally secure the airbag main body 21.

[0060] Furthermore, in another preferred embodiment, the connection points between the second connection portion 23 and the mounting plate 1 further include a second connection point 232 and a third connection point 233. Along the second direction Y, the first connection point 231 is located between the second connection point 232 and the third connection point 233, and along the first direction Z, the first connection point 231 is located between the line connecting the second and third connection points 232, 233 and the airbag body 21. The arrangement of the first, second, and third connection points 231, 232, 233 not only expands the fixing range between the second connection portion 23 and the mounting plate 1, but also forms a triangle with the first connection point 231 being more centered and deeper than the second and third connection points 232, 233. This further improves the installation stability of the lumbar support airbag 2 and makes the airbag body 21 less susceptible to tipping.

[0061] Optionally, the first connection portion 22 may be connected to the main body 11 of the mounting plate 1 at multiple or single connection points; the third connection portion 24 may be connected to the main body 11 of the mounting plate 1 at multiple or single connection points.

[0062] In some embodiments of the aforementioned lumbar support airbag 2, the connection point between the first connection portion 22 and the mounting plate 1 includes a first end connection point, and the connection point between the third connection portion 24 and the mounting plate 1 includes a second end connection point. The first end connection point and the second end connection point are arranged relative to each other along the second direction Y. Along the first direction Z, the first connection point 231, the second connection point 232, and the third connection point 233 are all located between the line connecting the first end connection point and the second end connection point and the airbag body 21. Along the second direction Y, the first connection point 231, the second connection point 232, and the third connection point 233 are all located between the first end connection point and the second end connection point. This provides a more stable connection between the airbag body 21 and the mounting plate 1 at the center, making it less likely for the airbag body 21 to flip over from the center during inflation, thereby enhancing the stability of the lumbar support airbag 2.

[0063] The waist support air bag 2 may be a waist support air bag with a single bag layer, or an air bag with multiple bag layers, such as two bag layers or three bag layers.

[0064] In a preferred embodiment, see Figure 4 The lumbar support airbag 2 is a multi-layer airbag. The airbag body 21 includes a first bag layer 213 and a plurality of second bag layers 214. The first bag layer 213 and the plurality of second bag layers 214 are sequentially ventilated and connected along the main deformation direction. Specifically, each bag layer is formed by welding two membrane sheets together. The volume space enclosed by the welded membrane sheets forms an inflatable space. The membrane sheet of a bag layer adjacent to another bag layer is provided with a connecting port. The inflatable spaces of adjacent bag layers are ventilated and connected through the connecting port. When the lumbar support airbag 2 is inflated, the introduced gas is sequentially filled into the inflatable space of each bag layer.

[0065] In some embodiments, for a lumbar support air bag 2 with multiple bag layers, the first bag layer 213 is usually set as the bottom bag layer and is located closest to the mounting plate 1, and several second bag layers 214 are stacked on the first bag layer 213 in sequence and are located relatively far away from the mounting plate 1, and the first connecting portion 22, the second connecting portion 23 and the third connecting portion 24 are connected to the first bag layer 213 to make the installation stability of the lumbar support air bag 2 on the mounting plate 1 higher.

[0066] In addition, the lumbar support airbag 2 is typically equipped with an air nozzle to guide airflow into or out of the inflation space of the lumbar support airbag 2 during inflation or deflation. For a lumbar support airbag 2 with multiple bag layers, the air nozzle can be located on any bag layer, i.e., the air nozzle can be located on the first bag layer 213 or any second bag layer 214, and directly communicate with the inflation space of the encountered bag layer. When the first bag layer 213 is configured as the bottom bag layer and is located closest to the mounting plate 1, and the first connecting portion 22, the second connecting portion 23, and the third connecting portion 24 are connected to the first bag layer 213, the air nozzle is preferably located on the first bag layer 213 and communicates with the inflation space of the first bag layer 213, to facilitate the inflation and deflation control of the lumbar support airbag 2 and the arrangement of the air tube connected to the air nozzle.

[0067] See also Figure 5 and Figure 6 The present invention also provides a pneumatic lumbar support system 1000, comprising a gas source device 300, a gas distribution device 200, and the aforementioned lumbar support airbag assembly 100. The gas source device 300 is ventilatedly connected to the plurality of lumbar support airbags 2 of the lumbar support airbag assembly 100 via the gas distribution device 200. The specific structure and function of the lumbar support airbag assembly 100 can be found in the aforementioned embodiments and will not be further detailed here.

[0068] It should be noted that the gas source device 300 includes but is not limited to at least one of the structures such as an air pump, a compressor or a gas tank, and the gas distribution device 200 includes but is not limited to at least one of the structures such as a gas valve module, a fluid oscillator or a flow controller; or, the gas source device 300 and the gas distribution device 200 are a pump-valve integrated structure.

[0069] The pneumatic lumbar support system 1000 provided by the embodiment of the present invention adopts the above-mentioned lumbar support airbag assembly 100. The airbag body 21 of the lumbar support airbag 2 is stably connected and installed on the mounting plate 1 through the first connection part 22, the second connection part 23 and the third connection 24, so that the airbag body 21 of the lumbar support airbag 2 moves straight up and down along the main deformation direction during the inflation and deflation process, reducing the probability of the airbag body 21 flipping relative to the mounting plate 1 during the inflation process, ensuring the stable support effect of the lumbar support airbag 2 when inflated and the stable recovery and reset relative to the mounting plate 1 when deflated.

[0070] In addition, when the airbag body 21 is a double-layer or multi-layer bag body, it can reduce the noise generated by the friction between the airbag body 21 and the double-layer bag body or multi-layer bag body of the airbag body 21 of the adjacent lumbar support airbag 2 during the flipping and popping process.

[0071] The present invention also provides an intelligent device that includes the pneumatic lumbar support system 1000. It should be noted that the intelligent device includes, but is not limited to, a vehicle seat, office chair, massage chair, seat cushion, back cushion, or mattress, etc. The specific structure and function of the pneumatic lumbar support system 1000 can be found in the above embodiments and will not be detailed here.

[0072] Among them, when the pneumatic lumbar support system 1000 is installed on a smart device, the mounting plate 1 is fixedly mounted on the smart device, such as fixedly mounted on a seat; and the gas source device 300 can be fixed on the smart device, such as fixedly mounted on the seat base; the gas distribution device 200 can be fixed on the mounting plate 1, such as fixedly mounted on the side of the mounting plate 1 facing away from the lumbar support airbag 2, or fixedly mounted on the smart device, such as fixedly mounted on the seat base or seat back.

[0073] The above description is merely an embodiment of the present invention and does not limit the scope of protection of the claims of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the scope of protection of the claims of the present invention.

Claims

1. A waist support air bag assembly, characterized in that: include: Mounting plate; A plurality of lumbar support air bags are sequentially arranged on the mounting plate along a first direction, the lumbar support air bags comprising an air bag main body, a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion, the second connecting portion and the third connecting portion being arranged on the air bag main body, the first connecting portion, the second connecting portion and the third connecting portion being connected to the mounting plate so that the lumbar support air bags are mounted on the mounting plate, along the second direction, the second connecting portion is located between the first connecting portion and the third connecting portion, the second direction intersects with the first direction, and along the first direction, the second connecting portion is located between the line connecting the first connecting portion and the third connecting portion and the air bag main body.

2. The waist support airbag assembly according to claim 1, characterized in that: The mounting plate includes a body and a first connecting ear, wherein the first connecting ear is connected to the body and can be folded relative to the body, and the first connecting portion is fixed to the first connecting ear.

3. The waist support airbag assembly according to claim 1, characterized in that: The mounting plate includes a body and a second connecting ear, wherein the second connecting ear is connected to the body and can be folded relative to the body, and the third connecting portion is fixed to the second connecting ear.

4. The waist support airbag assembly according to claim 1, characterized in that: Any two adjacent waist support air bags at least partially overlap.

5. The waist support airbag assembly according to claim 1, characterized in that: Along the second direction, the middle portion of the airbag body has a relatively narrow waist portion and an inner concave portion, and the second connecting portion is fixed to the inner concave portion.

6. The waist support airbag assembly according to claim 1, characterized in that: The connection point between the second connection portion and the mounting plate includes a first connection point. The airbag body has a first width along the second direction. The first connection point is located on a midline of the first width.

7. The waist support airbag assembly according to claim 6, characterized in that: The connection points where the second connection portion is connected to the mounting plate also include a second connection point and a third connection point. Along the second direction, the first connection point is located between the second connection point and the third connection point. Along the first direction, the first connection point is located between the line connecting the second connection point and the third connection point and the airbag body.

8. The waist support airbag assembly according to any one of claims 1 to 7, characterized in that: The airbag body includes a first bag body layer and several second bag body layers, the first bag body layer and the several second bag body layers are sequentially connected along the main deformation direction, and the first connecting part, the second connecting part and the third connecting part are connected to the first bag body layer.

9. A pneumatic lumbar support system, characterized in that: The invention comprises an air source device, a gas distribution device and a waist support air bag assembly as claimed in any one of claims 1 to 8, wherein the air source device is ventilatedly connected to a plurality of waist support air bags of the waist support air bag assembly through the gas distribution device.

10. A smart device, characterized in that: Comprising the pneumatic lumbar support system as claimed in claim 9.

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