Seat framework with air storage function and seat assembly

Abstract

The invention provides a seat framework (110) with a gas storage function and a seat assembly (100), at least part of the seat framework (110) is internally provided with a containing cavity (130), a gas storage device (200) is arranged in the containing cavity (130), and part of the seat framework (110) surrounds the gas storage device (200) and forms the outer wall of the gas storage device (200); the gas storage device (200) comprises a flexible gas storage unit (210), a gas storage cavity (230) and a gas supply port (240) are arranged in the flexible gas storage unit (210), and the gas supply port (240) is communicated with the gas storage cavity (230); the air storage device (200) supplies air to an air using device (300) in the seat assembly (100) through the air supply port (240).

Description

Technical Field

[0001] The present application relates to the technical field of automobile seats, and in particular to a seat frame and a seat assembly with an air storage function. Background Art

[0002] With the development of automobile technology, seats are becoming more and more humanized and intelligent. Pneumatic massage devices are installed in car seats to relieve passenger fatigue. Seat cushion hardness adjustment devices and height adjustment functions of the waist, back and side areas are installed in car seats to meet the riding habits of drivers and passengers.

[0003] Gas tanks are necessary components to achieve the above functions. However, most existing gas tanks have rigid structures, and are mostly manufactured by blow molding, or use tank bodies made of technical materials. Their external dimensions are limited by the molding mold, and during the installation and design process, there are problems such as the volume cannot be adjusted and the space occupied is large. Summary of the Invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide an air storage device and a seat assembly to solve the above-mentioned problems.

[0005] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide an air storage device and a seat assembly to solve the above-mentioned problems.

[0006] A first aspect of the present invention provides a seat frame with an air storage function, wherein at least a portion of the seat frame has a receiving cavity, an air storage device is provided in the receiving cavity, and the portion of the seat frame surrounds the air storage device and forms an outer wall of the air storage device; The gas storage device comprises a flexible gas storage unit, wherein the flexible gas storage unit is provided with a gas storage cavity and a gas supply port, and the gas supply port is connected to the gas storage cavity; The air storage device supplies air to the air-consuming device in the seat assembly through the air supply port.

[0007] The seat frame with air storage function provided by the present invention utilizes the seat frame of the seat assembly to store air in the accommodating cavity of the seat frame for supplying air to the air-using device of the seat assembly. It can effectively utilize the existing space of the seat frame of the seat assembly. At the same time, without adding other air storage cavities, it can save the limited space in the seat assembly and reserve more space for the arrangement of other functional components.

[0008] The seat frame with air storage function provided by the present invention uses part of the seat frame as the outer wall of the air storage device, which can ensure that the air storage device in the accommodating cavity is protected from interference from the external environment, and at the same time can reduce the impact of squeezing on the volume of the air storage device.

[0009] Placing the gas storage device in the accommodating cavity of part of the seat frame to supply gas to the gas-using device of the seat assembly can also shorten the distance between the gas storage device and the gas-using device and reduce gas loss in the connecting pipeline.

[0010] The seat frame with air storage function provided by the present invention has a flexible air storage unit arranged in the accommodating cavity of part of the seat frame, which can adjust the air storage amount in the air storage cavity of the flexible air storage unit and facilitates the installation of the flexible air storage unit in the accommodating cavity of the seat frame.

[0011] In one embodiment of the seat frame with air storage function of the present invention, the seat frame includes a tubular support member, the accommodating cavity is formed in the tubular support member, and the air supply port is located at an end of the accommodating cavity.

[0012] The internal space of the tubular support is used as a storage chamber for the flexible gas storage unit, which efficiently utilizes the existing space of the seat frame. The tubular support can not only provide support for the seat assembly, but also provide a storage space for the gas storage device, thereby improving the utilization rate of the tubular support.

[0013] In one embodiment of the seat frame with air storage function of the present invention, the seat assembly includes a plurality of tubular support members, and the plurality of tubular support members are connected to form the seat frame; A plurality of the tubular supports are connected in series or in parallel to form the accommodating cavity; and / or the accommodating cavity is independently provided in each of the tubular supports.

[0014] By connecting multiple tubular supports in series or in parallel, a larger accommodating cavity is formed, which provides the gas capacity of the gas storage device; the accommodating cavity in each tubular support is independently used as a accommodating space, and the flexible gas storage unit of the gas storage device can be dispersed into multiple parts, each of which can be relatively independently used as a gas supply unit.

[0015] In one embodiment of the seat frame with air storage function of the present invention, the tubular support member is circular, elliptical or polygonal in a plane perpendicular to the center line of the tubular support member.

[0016] The outer structure of the tubular support can be circular, elliptical or polygonal. Under the condition of meeting the strength and rigidity of the seat frame of the seat assembly, the internal space of the tubular support can be used as a accommodating chamber for the air storage device, and the flexible air storage unit of the air storage device can adapt to the circular, elliptical or polygonal external space.

[0017] In one embodiment of the seat frame with air storage function of the present invention, the flexible air storage unit includes a flexible air storage tube, the minimum outer diameter of the tubular support is greater than or equal to the maximum outer diameter of the flexible air storage tube, and the tubular support can limit the maximum outer diameter of the flexible air storage tube after expansion.

[0018] The internally mounted flexible air storage tube adjusts its air storage capacity through elastic deformation, while the externally mounted tubular support member limits any expansion of the tube's deformation, protecting it. Therefore, the air storage device provided by the present invention can accommodate various seat assemblies with varying air storage requirements.

[0019] In one embodiment of the seat frame with air storage function of the present invention, the seat frame also includes a sealing hose, which is arranged between the outer wall of the flexible air storage tube and the inner wall of the tubular support, and the sealing hose forms a seal on at least a partial section of the flexible air storage tube.

[0020] A sealing hose is arranged on the outside of the flexible gas storage pipe, which can prevent the flexible gas storage pipe from leaking gas if it is damaged. It can also protect the flexible gas storage pipe from external interference when part of the accommodating cavity of the seat frame is damaged. By arranging a sealing hose between the tubular support and the flexible gas storage pipe, the flexible gas storage pipe is protected.

[0021] In one embodiment of the seat frame with air storage function of the present invention, the flexible air storage tube is made of elastic material, the outer wall of the flexible air storage tube expands to increase the capacity of the air storage cavity, and the outer wall of the flexible air storage tube contracts to achieve a stable pressure output of the air storage cavity.

[0022] The elastic deformation of the flexible gas storage unit is used to achieve stable pressure output, stabilizing the gas output pressure within the required range to meet the needs of different gas-consuming components in the seat assembly. The gas output pressure can also be stabilized near a certain pressure value to meet the rated gas demand of one of the components.

[0023] In one embodiment of the seat frame with air storage function of the present invention, the air storage device further comprises an air flow connector, and the air flow connector is sealed with the tubular support member. The air flow connecting piece is also provided with an air nozzle, which is communicated with the air outlet of the flexible air storage pipe.

[0024] The gas in the gas storage chamber can be transported to the gas-using device in the seat assembly through the gas nozzle of the air flow connector, ensuring stable gas output under the condition of good sealing between the air flow connector and the flexible air storage unit.

[0025] A second aspect of the present invention provides a seat assembly, characterized in that the seat assembly is provided with an air storage device, wherein the air storage device is the air storage device according to any one of claims 1-7.

[0026] In one embodiment of the seat assembly of the present invention, the seat assembly comprises a seating portion and a backrest portion, and the seating portion and / or the backrest portion are provided with the seat frame.

[0027] In one embodiment of the seat assembly of the present invention, the seat assembly is provided with a massage air bag, and / or a softness and hardness adjustment air bag, and / or a lumbar support air bag, and / or a leg support air bag. The massage air bag, the hardness adjustment air bag, the waist support air bag and the leg support air bag are connected to the air supply port through connecting pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 Schematically illustrates the internal structure of the backrest portion of the seat assembly of the present invention, wherein the seat frame of the backrest portion is shown; Figure 2 The structure diagram schematically shows the state of the air storage device in the seat assembly of the present invention supplying air to the air using device; Figure 3 Schematically shows an exploded view of an air storage device and a tubular support member in a seat assembly of the present invention; Figure 4 The structure diagram schematically shows the gas storage device of the present invention installed in the accommodating cavity of the seat frame; Figure 5 for Figure 4 AA sectional view, which shows the filling state of the air storage chamber; Figure 6 for Figure 4 AA sectional view, which shows the compressed state of the gas storage chamber; Figure 7 for Figure 4 In the BB cross-sectional view, the tubular support member has a circular shape; Figure 8 for Figure 4 In the BB cross-sectional view, the tubular support member has a polygonal shape; Figure 9 for Figure 4 In the BB-direction cross-sectional view, the tubular support member has a quadrilateral shape; Figure 10 A structural diagram of the seat assembly of the present invention is schematically shown.

[0029] Figure Number: 100, seat assembly; 110, seat frame; 120, tubular support member; 121, first tubular support member; 122, second tubular support member; 123, third tubular support member; 130, accommodating chamber; 140, seating portion; 150, backrest portion; 160, connecting pipes; 200, gas storage device; 210, flexible gas storage unit; 220, flexible gas storage tube; 230, gas storage cavity; 240, gas supply port; 250, air flow connector; 251, gas nozzle; 260, plugging; 300. Air-using device; 400. Air pump; 500. Valve group. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The description in this section is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present application. Specifically, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined or explained in subsequent figures. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0032] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] Figure 1The internal structure of the backrest portion of the seat assembly of the present invention is schematically shown, wherein the seat frame 110 of the backrest portion 150 is shown. Figure 1 As shown, the air storage device 200 of the present invention is installed in the accommodating cavity 130 of the seat frame 110 of the backrest portion 150 of the seat assembly 100 .

[0035] A partial area of ​​the seat frame 110 of the seat assembly 100 of the present invention has a accommodating cavity 130, which is used to accommodate the gas storage device 200. Part of the seat frame 110 surrounds the gas storage device 200 and constitutes the outer wall of the gas storage device 200, protecting the gas storage device 200 and reducing interference and damage to the gas storage device 200 caused by the external environment.

[0036] like Figure 1 As shown, the backrest portion 150 of the seat assembly 100 is further provided with an air-using device 300 and a valve assembly 500. The air storage device 200 supplies air to the air-using device 300 through the valve assembly 500. The valve assembly 500 controls the timing and amount of air supply to the air-using device 300. The air storage device 200 and the valve assembly 500 are connected by a connecting pipe 160.

[0037] The complete technical solution of the air storage device 200 for the seat assembly 100 provided by the present invention is as follows: a seat frame 110 is provided on the seat assembly 100, and at least a portion of the seat frame 110 has a accommodating cavity 130, the air storage device 200 is arranged in the accommodating cavity 130, and a portion of the seat frame 110 surrounds the air storage device 200 and constitutes the outer wall of the air storage device 200; the air storage device 200 includes a flexible air storage unit 210, and the flexible air storage unit 210 is provided with an air storage cavity 230 and an air supply port 240, and the air supply port 240 is connected to the air storage cavity 230; the air storage device 200 supplies air to the air-using device 300 in the seat assembly 100 through the air supply port 240.

[0038] The air storage device 200 for the seat assembly 100 provided by the present invention utilizes the seat frame 110 of the seat assembly 100 to store air in the accommodating cavity 130 of the seat frame 110, so as to supply air to the air-using device 300 of the seat assembly 100. It can effectively utilize the existing space of the seat frame 110 of the seat assembly 100, and at the same time, without adding other air storage cavities 230, it can save the limited space in the seat assembly 100, and reserve more space for the arrangement of other functional components.

[0039] The air storage device 200 for the seat assembly 100 provided by the present invention uses part of the seat frame 110 as the outer wall of the air storage device 200, which can ensure that the air storage device 200 in the accommodating cavity 130 is protected from interference from the external environment, and at the same time can reduce the impact of squeezing on the volume of the air storage device 200.

[0040] The gas storage device 200 is arranged in the accommodating cavity 130 of a portion of the seat frame 110 to supply gas to the gas-using device 300 of the seat assembly 100. This can also shorten the distance between the gas storage device 200 and the gas-using device 300 and reduce gas loss in the connecting pipeline.

[0041] The air storage device 200 provided by the present invention for the seat assembly 100 is equipped with a flexible air storage unit 210 in the accommodating cavity 130 of a portion of the seat frame 110. The air storage amount in the air storage cavity 230 in the flexible air storage unit 210 can be adjusted, and the flexible air storage unit 210 can be easily installed in the accommodating cavity 130 of the seat frame 110.

[0042] Figure 2 The diagram schematically shows the structure of the air storage device in the seat assembly of the present invention supplying air to the air using device. Figure 1 and Figure 2 The seat frame 110 includes a first tubular support member 121, a second tubular support member 122, and a third tubular support member 123. The first tubular support member 121, the second tubular support member 122, and the third tubular support member 123 are connected in series to form a portion of the seat frame 110. The tubular support member 120 defines a receiving cavity 130, and the air supply port 240 is located at the end of the receiving cavity 130.

[0043] The internal space of the tubular support 120 is used as the accommodating chamber 130 for accommodating the flexible air storage unit 210, which efficiently utilizes the existing space of the seat frame 110. The tubular support 120 can not only provide support for the seat assembly 100, but also provide accommodating space for the air storage device 200, thereby improving the utilization rate of the tubular support 120.

[0044] like Figure 2 As shown, the air pump 400 stores gas in the gas storage device 200 in the accommodating cavity 130 of the seat frame 110 through the valve group 500 , and the gas storage device 200 supplies gas to the gas using device 300 through the valve group 500 .

[0045] Among them, the gas storage device 200 can also use the same connecting pipeline for inflation or deflation, and the gas supply pipeline and the inflation pipeline can be separately set in the gas storage device 200. The gas storage device 200 is connected to the valve group 500 through the gas supply pipeline, and supplies gas to the gas-using device 300 through the valve group 500. The gas storage device 200 is connected to the valve group 500 and the air pump 400 in sequence through the inflation pipeline. The air pump 400 transports gas to the gas storage device 200 through the inflation pipeline and the valve group 500, and stores gas in the gas storage device 200.

[0046] In one embodiment, air supply ports 240 are provided at both ends of the accommodating cavity 130, one air supply port 240 is provided at one end of the first tubular support member 121, and another air supply port 240 is provided at one end of the third tubular support member 123, and the two air supply ports 240 supply air to the air-using device 300 respectively.

[0047] In one embodiment, an air supply port 240 is provided at one end of the accommodating cavity 130 , and an inflation port is provided at the other end of the accommodating cavity 130 . For example, an air supply port 240 is provided at one end of the first tubular support member 121 , and another inflation port is provided at one end of the third tubular support member 123 .

[0048] In one embodiment of the present invention, the seat assembly 100 includes a plurality of tubular supports 120 , which are connected to form a seat frame 110 ; and the plurality of tubular supports 120 are connected in parallel to form a receiving cavity 130 .

[0049] In one embodiment of the present invention, the seat assembly 100 includes a plurality of tubular support members 120 . The plurality of tubular support members 120 are connected to form a seat frame 110 . An accommodating cavity 130 is independently provided in each tubular support member 120 .

[0050] Multiple tubular support members 120 are connected in series or in parallel to form a larger accommodating cavity 130, which provides the gas capacity of the gas storage device 200; the accommodating cavity 130 in each tubular support member 120 is independently used as a accommodating space, and the flexible gas storage unit 210 of the gas storage device 200 can be dispersed into multiple parts, and each part can be relatively independently used as a gas supply unit.

[0051] Figure 3 The exploded view of the air storage device and the tubular support member in the seat assembly of the present invention is schematically shown. Figure 4 The structure diagram of the gas storage device of the present invention installed in the accommodating cavity of the seat frame is schematically shown. Figure 3 and Figure 4 The seat frame 110 is the outer wall of the gas storage device 200 and provides protection for the gas storage device 200. The gas storage device 200 is arranged in the accommodating cavity 130 of the seat frame 110. One end of the seat frame 110 is a closed structure, such as a seal 260, and the other end is provided with an airflow connector 250. The gas storage device 200 supplies gas to the gas-using device 300 through the airflow connector 250, and the airflow connector 250 can also transport gas into the gas storage device 200 to make the gas storage device 200 full.

[0052] In one embodiment of the present invention, the gas storage device 200 further includes an airflow connector 250, which is sealed with the tubular support 120. The airflow connector 250 is also provided with an air nozzle 251, which is connected to the air outlet of the flexible gas storage tube 220.

[0053] The gas in the gas storage chamber 230 can be transported to the gas-using device 300 in the seat assembly 100 through the gas nozzle 251 of the air flow connecting piece 250, ensuring stable gas output under the condition of good sealing between the air flow connecting piece 250 and the flexible air storage unit 210.

[0054] In one embodiment of the present invention, the flexible gas storage unit 210 includes a flexible gas storage tube 220 . The minimum outer diameter of the tubular support 120 is greater than the maximum outer diameter of the flexible gas storage tube 220 . The tubular support 120 can limit the deformation of the flexible gas storage tube 220 .

[0055] The internally disposed flexible air storage tube 220 adjusts the air storage volume through elastic deformation, while the tubular support member 120 disposed externally of the flexible air storage tube 220 limits any expansion of the deformation of the flexible air storage tube 220, thereby protecting the flexible air storage tube 220. Therefore, the air storage device 200 provided by the present invention can accommodate various seat assemblies 100 with varying air storage requirements.

[0056] In one embodiment of the present invention, the flexible gas storage tube 220 is made of elastic material. The outer wall of the flexible gas storage tube 220 expands to increase the volume of the gas storage chamber 230 , and the outer wall of the flexible gas storage tube 220 contracts to achieve a stable pressure output of the gas storage chamber 230 .

[0057] The elastic deformation of the flexible gas storage unit 210 is used to achieve a stable pressure output, and the gas output pressure is stabilized within the required range to meet the needs of different gas-consuming components in the seat assembly 100. The gas output pressure can also be stabilized near a certain pressure value to meet the rated gas demand of one of the components.

[0058] Figure 5 for Figure 4 AA sectional view, which shows the filling state of the gas storage chamber 230; Figure 5 As shown, gas is transported to the flexible gas storage tube 220 of the tubular support 120 through the airflow connector 250 , and the flexible gas storage tube 220 is in a filled state after being filled with gas.

[0059] Figure 6 for Figure 4 AA sectional view, which shows the compressed state of the gas storage chamber 230, as shown in FIG. Figure 6 As shown, the flexible gas storage tube 220 supplies gas to the gas-using device 300 through the gas flow connector 250, and the gas storage cavity 230 is in a collapsed state after releasing the gas.

[0060] In one embodiment, the outer wall of the flexible gas storage tube 220 contracts to output gas at a pressure of 100 KPa, or output gas at a pressure range of 70 KPa to 130 KPa.

[0061] Figure 7 for Figure 4 In the BB cross-sectional view, the tubular support member 120 has a circular shape; Figure 8 for Figure 4 In the BB cross-sectional view, the tubular support member 120 has a polygonal shape; Figure 9 for Figure 4 BB cross-sectional view, the tubular support member 120 has a quadrilateral shape; Figure 7 、 Figure 8 and Figure 9 As shown, in a plane perpendicular to the center line of the tubular support 120 , the tubular support 120 may be circular, elliptical or polygonal.

[0062] The outer structure of the tubular support 120 can be circular, elliptical or polygonal. Under the condition of meeting the strength and rigidity of the seat frame 110 of the seat assembly 100, the internal space of the tubular support 120 can be used as the accommodating cavity 130 of the gas storage device 200, and the flexible gas storage unit 210 of the gas storage device 200 can adapt to the circular, elliptical or polygonal external space.

[0063] Figure 10 A structural diagram of the seat assembly of the present invention is shown in FIG. Figure 10 As shown, in one embodiment of the present invention, the seat assembly 100 includes a seating portion 140 and a backrest portion 150, wherein an air storage device 200 as described above can be provided in the seating portion 140 of the seat assembly 100, and an air storage device 200 as described above can also be provided in the backrest area of ​​the seat assembly 100.

[0064] In one embodiment, the seating portion 140 of the seat assembly 100 is provided with a seat frame 110, part of the seat frame 110 having a accommodating cavity 130, and the air storage device 200 is installed in the accommodating cavity 130 of the seat frame 110 of the seating portion 140 of the seat assembly 100, for supplying air to the air-using device 300 in the seating portion 140 of the seat assembly 100.

[0065] In one embodiment, the backrest portion 150 of the seat assembly 100 is provided with a seat frame 110, and part of the seat frame 110 has a accommodating cavity 130. The air storage device 200 is installed in the accommodating cavity 130 of the seat frame 110 of the backrest portion 150 of the seat assembly 100, and is used to supply air to the air-using device 300 in the backrest portion 150 of the seat assembly 100.

[0066] In one embodiment of the present invention, the seat assembly 100 is provided with massage air bags, and / or hardness adjustment air bags, and / or lumbar support air bags, and / or leg support air bags.

[0067] The massage air bag, hardness adjustment air bag, waist support air bag and leg support air bag are all the air-using device 300 as described above. The massage air bag, hardness adjustment air bag, waist support air bag and leg support air bag are connected to the air supply port 240 through a connecting pipe.

[0068] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. The above is only the preferred implementation method of this application. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can also make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of this application.

Claims

1. A seat frame (110) with an air storage function, characterized in that: At least a portion of the seat frame (110) has a receiving cavity (130), an air storage device (200) is provided in the receiving cavity (130), and the portion of the seat frame (110) surrounds the air storage device (200) and forms an outer wall of the air storage device (200); The gas storage device (200) comprises a flexible gas storage unit (210), wherein a gas storage cavity (230) and a gas supply port (240) are provided in the flexible gas storage unit (210), and the gas supply port (240) is connected to the gas storage cavity (230); The gas storage device (200) supplies gas to the gas-using device (300) in the seat assembly (100) through the gas supply port (240).

2. The seat frame (110) with air storage function according to claim 1, characterized in that: The seat frame (110) comprises a tubular support member (120), the accommodating cavity (130) is formed in the tubular support member (120), and the air supply port (240) is located at the end of the accommodating cavity (130).

3. The seat frame (110) with air storage function according to claim 2, characterized in that: The seat assembly (100) includes a plurality of tubular support members (120), and the plurality of tubular support members (120) are connected to form the seat frame (110); A plurality of the tubular support members (120) are connected in series or in parallel to form the accommodating cavity (130); and / or the accommodating cavity (130) is independently provided in each of the tubular support members (120).

4. The seat frame (110) with air storage function according to claim 2, characterized in that: In a plane perpendicular to the center line of the tubular support (120), the tubular support (120) is circular, elliptical or polygonal.

5. The seat frame (110) with air storage function according to any one of claims 2 to 4, characterized in that: The flexible gas storage unit (210) comprises a flexible gas storage tube (220), the minimum outer diameter of the tubular support (120) is greater than or equal to the maximum outer diameter of the flexible gas storage tube (220), and the tubular support (120) is capable of limiting the maximum outer diameter of the flexible gas storage tube (220) after expansion.

6. The seat frame with air storage function according to claim 5, characterized in that: The seat frame (110) further comprises a sealing hose, which is arranged between the outer wall of the flexible gas storage pipe (220) and the inner wall of the tubular support (120), and forms a seal on at least a portion of the flexible gas storage pipe.

7. The seat frame (110) with air storage function according to claim 5, characterized in that: The flexible gas storage tube (220) is made of elastic material, the outer wall of the flexible gas storage tube (220) expands to increase the volume of the gas storage chamber (230), and the outer wall of the flexible gas storage tube (220) contracts to achieve a stable pressure output of the gas storage chamber (230).

8. The seat frame (110) with air storage function according to any one of claims 2 to 4, characterized in that: The gas storage device (200) further comprises an airflow connection piece (250), wherein the airflow connection piece (250) is in sealing cooperation with the tubular support piece (120). The air flow connection piece (250) is further provided with an air nozzle (251), and the air nozzle (251) is connected to the air outlet of the flexible air storage tube (220).

9. A seat assembly (100), characterized in that: The seat assembly (100) comprises a seat frame (110) with an air storage function as claimed in any one of claims 1 to 8.

10. The seat assembly (100) according to claim 9, characterized in that The seat assembly (100) comprises a seating portion (140) and a backrest portion (150), and the seating portion (140) and / or the backrest portion (150) are provided with the seat frame (110) having an air storage function.

11. The seat assembly (100) according to claim 9, characterized in that The seat assembly (100) is provided with a massage air bag, and / or a softness and hardness adjustment air bag, and / or a waist support air bag, and / or a leg support air bag. The massage air bag, the hardness adjustment air bag, the waist support air bag, and the leg support air bag are connected to the air supply port (240) via connecting pipes.

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