Structures that enhance airbag thrust and their oxygen chambers

Abstract

This utility model discloses a structure for enhancing airbag thrust and its oxygen chamber. The structure includes an airbag covering mechanism and at least two elastic components. Each elastic component is installed at both ends of the airbag covering mechanism. When the airbag inflates, the elastic components push the airbag covering mechanism to generate thrust. The oxygen chamber door is equipped with the aforementioned structure for enhancing airbag thrust. The relationship between effective space and inflation pressure can fully utilize the working efficiency of the airbag and ensure its stable operation within a safe pressure range, providing a solid guarantee for the reliable operation of high- and low-pressure oxygen chambers and other equipment.

Description

Technical Field

[0001] This utility model relates to the field of oxygen chamber technology, specifically to a structure for enhancing airbag thrust and its oxygen chamber. Background Technology

[0002] In the complex networks of modern industry, inflatable airbags, with their unique structure and superior performance, are widely and deeply used in sealing processes in the automotive, construction, cold chain logistics, aerospace, medical, and other industrial fields, playing an irreplaceable and crucial role.

[0003] In the automotive industry, inflatable airbags are deployed in car doors, windows, trunks, and other areas. They effectively prevent dust and rain from entering, creating a comfortable driving and riding space, and deploy instantly in the event of a collision, providing crucial cushioning protection for occupants. In the construction industry, inflatable airbags are used in tunnel construction and bridge building. Their expansion force allows them to tightly conform to various complex building structures, providing excellent sealing and waterproofing, preventing groundwater leakage from affecting project quality. In cold chain logistics, they are used to seal refrigerated trucks and cold storage doors, ensuring a stable internal low-temperature environment, reducing cold loss, and guaranteeing the efficiency and quality of cold chain transportation. In the aerospace industry, inflatable airbags are used in aircraft doors, wings, and other parts, withstanding pressure differences under extreme high-altitude conditions, ensuring the airtightness and safety of the aircraft. In the medical field, inflatable airbags are used in oxygen chambers and isolation chambers of medical equipment, ensuring stable air pressure within the chamber and providing a safe treatment environment for patients.

[0004] Inflatable sealing, as a key technology, is widely used in dustproof, waterproof, and leak-proof applications. Its sealing performance is closely related to the inflation pressure. As the inflation pressure increases, the contact between the airbag and the sealing surface becomes tighter, creating a higher sealing specific pressure and ensuring reliable sealing. This characteristic is particularly important in equipment with extremely high pressure requirements, such as oxygen chambers and isolation chambers. Oxygen chambers need to maintain specific oxygen concentrations and pressures to meet the patient's treatment needs; even a minor leak can affect treatment effectiveness or even endanger the patient's life. Isolation chambers are used to isolate infectious patients or experimental samples; highly airtight inflatable seals effectively prevent pathogen leakage and avoid contamination of the external environment. Utility Model Content

[0005] The purpose of this invention is to provide a structure that enhances the thrust of the airbag, in order to solve the problems in the prior art where high pressure requires high strength of the airbag material, and unilaterally increasing the thickness of the airbag is detrimental to the airbag's filling performance. The goal is to maximize the expansion force of the airbag in the existing airbag system.

[0006] To achieve the above objectives, this utility model provides one of the following technical solutions: a structure for enhancing airbag thrust, the structure comprising:

[0007] Airbag covering mechanism 1, which is used to install the airbag therein;

[0008] At least two elastic components 2 are used to effectively constrain the stroke of the airbag covering mechanism 1;

[0009] Each of the elastic components 2 is respectively installed on both ends of the airbag covering mechanism 1;

[0010] When the airbag inflates, the elastic component 2 pushes the airbag covering mechanism 1 and generates thrust.

[0011] Furthermore, the airbag covering mechanism 1 includes: an airbag box 101 and an airbag cover 102; the airbag cover 102 covers the airbag box 101 and forms an airbag installation space.

[0012] The cross-sections of the airbag box 101 and the airbag cover 102 are U-shaped;

[0013] The airbag box 101 has a first mounting hole 103 at both ends, and the airbag cover 102 has a second mounting hole 104 at both ends, with the first mounting hole 103 and the second mounting hole 104 corresponding to each other.

[0014] Furthermore, the cross-section of the second mounting hole 104 is trapezoidal.

[0015] Furthermore, the elastic component 2 includes:

[0016] The mounting cavity 201 is inserted into the airbag box 101 through the first mounting hole 103 at one end.

[0017] The threaded mounting part 202 is fixedly installed on the other end face of the mounting cavity 201;

[0018] Spring 203 is located inside mounting cavity 201, and one end of it is fixedly mounted on the end face of threaded mounting part 202;

[0019] Bolt 204, one end of which is inserted into airbag cover 102 through second mounting hole 104, and screwed into threaded hole of threaded mounting part 202 and protruding from threaded hole;

[0020] A lock nut 205 is installed on the end of the bolt 204 that protrudes from the threaded hole, and screws the bolt 204 onto the end face of the threaded mounting part 202;

[0021] When the airbag is released, the elastic deformation of the release spring 203 causes the airbag cover 102 to move away from the airbag box 101, thus generating thrust.

[0022] Furthermore, an open gasket 206 and a rubber ring 207 are provided between the locking nut 205 and the lower end of the mounting cavity 201.

[0023] Furthermore, the airbag is installed within the airbag installation space, with both the inflation port and the deflation port extending outside the airbag box 101.

[0024] Furthermore, the airbag box 101 is provided with a mounting part 3 for installation on the edge of the door frame to complete the sealing of the door.

[0025] This utility model provides another technical solution: an oxygen chamber, the door of which is equipped with the aforementioned structure for enhancing airbag thrust.

[0026] In the aforementioned technical solutions, precisely placing the inflatable airbag within a limited space is crucial for its full and effective performance in various airbag application scenarios. The volume of the airbag groove, as the specific area accommodating airbag inflation, plays a vital role. This is because the volume of the airbag groove acts like a precise ruler, strictly controlling the maximum inflation amount of the airbag during operation. From a long-term perspective, properly controlling the maximum inflation amount of the airbag is an essential indicator that cannot be ignored in ensuring a long service life. If the airbag lacks effective restraint during inflation and over-inflates, it will not only significantly affect its normal operating performance but may also lead to damage within a short period, requiring frequent replacements and increasing usage costs and maintenance workload.

[0027] Taking hyperbaric and hypobaric oxygen chambers as an example, airbags play a crucial role in these devices, with their inflation pressure directly serving as the thrust source for the door. A closely related characteristic exists: there is a positive correlation between inflation pressure and airbag performance. Specifically, the higher the inflation pressure, the greater the operational elasticity of the airbag. Greater operational elasticity allows the airbag to fit better at the contact point with the door, resulting in a more reliable seal. This reliable sealing performance plays a decisive role in maintaining a stable pressure environment within the hyperbaric and hypobaric oxygen chambers, ensuring the safe and efficient operation of the equipment.

[0028] However, in pursuing high inflation pressure to improve the operational flexibility and sealing reliability of the airbag, a crucial issue must be carefully addressed: avoiding the risk of airbag rupture due to excessive pressure. An airbag rupture would not only cause the oxygen chamber's seal to fail, severely impacting the normal operation of the equipment, but could even lead to a safety accident, endangering the life and health of users. To effectively mitigate this risk, limiting the maximum inflation capacity of the airbag is essential. Extensive practical experience and scientific research have verified that setting 80% of the maximum inflation capacity as the effective space is a reasonable and safe value. Within this effective space limit, the airbag inflation pressure is increased to 2-3 times the pressure the airbag can withstand. At this point, due to the significant increase in pressure, the thrust generated by the airbag also increases exponentially. This method of cleverly designing the relationship between the effective space and the inflation pressure fully utilizes the airbag's operational efficiency while ensuring stable operation within a safe pressure range, providing a solid guarantee for the reliable operation of high- and low-pressure oxygen chambers and other equipment. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0030] Figure 1 This is a schematic diagram of the structure of this utility model for improving the thrust of the airbag.

[0031] Figure 2 This is a top view of the invention for improving the thrust of the airbag.

[0032] Figure 3 for Figure 2 AA section diagram.

[0033] Figure 4 This is a schematic diagram of the structure of the elastic component.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Airbag covering mechanism; 101. Airbag box; 102. Airbag cover; 103. First mounting hole; 104. Second mounting hole; 2. Elastic component; 201. Mounting cavity; 202. Threaded mounting part; 203. Spring; 204. Bolt; 205. Locking nut; 206. Opening washer; 207. Rubber ring; 3. Mounting part. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0037] Example 1

[0038] like Figure 1-4 As shown, a structure for enhancing airbag thrust includes: an airbag covering mechanism 1 for mounting the airbag therein;

[0039] Furthermore, the airbag covering mechanism 1 includes an airbag box 101 and an airbag cover 102; the airbag cover 102 covers the airbag box 101 and forms an airbag installation space.

[0040] The cross-sections of the airbag box 101 and the airbag cover 102 are U-shaped.

[0041] Specifically, the airbag box 101 forms the basic frame, while the airbag cover 102 covers the airbag box 101. The two fit together tightly to form a specific airbag installation space. The size and shape of this installation space have been precisely calculated and designed to closely match the shape and inflation characteristics of the airbag. This ensures the normal inflation of the airbag while effectively guiding and constraining its inflation direction and range, which is of great significance for the airbag to generate stable and powerful thrust.

[0042] It is worth noting that both the airbag box 101 and the airbag cover 102 adopt a unique U-shaped cross-section design. This U-shaped structure has many advantages. On the one hand, the U-shaped design can provide a larger capacity for the airbag, allowing it to inflate more fully within a limited space, thus creating conditions for generating greater thrust. On the other hand, the U-shaped structure is more mechanically stable and can better withstand the pressure generated when the airbag inflates, avoiding deformation due to pressure and thus affecting the normal operation of the airbag.

[0043] The airbag box 101 has a first mounting hole 103 at both ends, and the airbag cover 102 has a second mounting hole 104 at both ends, with the first mounting hole 103 and the second mounting hole 104 corresponding to each other.

[0044] Furthermore, the cross-section of the second mounting hole 104 is trapezoidal.

[0045] Specifically, this design facilitates the connection of the airbag covering mechanism 1 with other related components. By inserting suitable connectors, such as bolts and rivets, into these corresponding mounting holes, the airbag covering mechanism 1 can be firmly installed in the required equipment or system, ensuring that the airbag covering mechanism 1 can work stably without displacement or loosening during equipment operation, thus laying the foundation for the airbag to continuously and stably provide thrust.

[0046] It is worth mentioning that the cross-section of the second mounting hole 104 adopts a trapezoidal design. This trapezoidal design has significant advantages over traditional circular or square mounting holes. The trapezoidal shape allows the connector to better fit with the mounting hole during installation, forming a tighter connection. During equipment operation, the thrust generated by the airbag is transmitted to the connected components through the airbag covering mechanism 1. At this time, the trapezoidal second mounting hole 104 can effectively disperse the stress and avoid stress concentration. In contrast, if a circular or square mounting hole is used, stress concentration is likely to occur at the edge of the hole when subjected to large stresses, leading to deformation or even cracking of the mounting hole, thus affecting the stability and reliability of the entire structure. The trapezoidal second mounting hole 104 can greatly improve the load-bearing capacity of the connection, allowing the entire structure that enhances the airbag thrust to maintain a stable and reliable operating state even when the airbag generates strong thrust.

[0047] The structure also includes at least two elastic components 2, which are used to effectively constrain the stroke of the airbag covering mechanism 1;

[0048] Each of the elastic components 2 is respectively installed on both ends of the airbag covering mechanism 1;

[0049] When the airbag inflates, the elastic component 2 pushes the airbag covering mechanism 1 and generates thrust.

[0050] Furthermore, the elastic component 2 includes:

[0051] The mounting cavity 201 is inserted into the airbag box 101 through the first mounting hole 103 at one end.

[0052] The threaded mounting part 202 is fixedly installed on the other end face of the mounting cavity 201;

[0053] Spring 203 is located inside mounting cavity 201, and one end of it is fixedly mounted on the end face of threaded mounting part 202;

[0054] Bolt 204, one end of which is inserted into airbag cover 102 through second mounting hole 104, and screwed into threaded hole of threaded mounting part 202 and protruding from threaded hole;

[0055] A lock nut 205 is installed on the end of the bolt 204 that protrudes from the threaded hole, and screws the bolt 204 onto the end face of the threaded mounting part 202;

[0056] When the airbag is released, the elastic deformation of the release spring 203 causes the airbag cover 102 to move away from the airbag box 101, thus generating thrust.

[0057] Furthermore, an open gasket 206 and a rubber ring 207 are provided between the locking nut 205 and the lower end of the mounting cavity 201.

[0058] Specifically, to further optimize the generation and control of airbag thrust, this structure innovatively introduces at least two elastic components 2, which play a crucial role in effectively constraining the stroke of the airbag covering mechanism 1. Each elastic component 2 is precisely installed at both ends of the airbag covering mechanism 1, playing a critical role throughout the entire airbag operation. When the airbag begins to inflate, the pressure generated by the airbag pushes the airbag covering mechanism 1. At this time, the elastic components 2 come into play. During the pushing process, the elastic components 2 interact with the airbag covering mechanism 1, converting the pressure generated by the airbag inflation into thrust in a specific direction, enabling the entire system to output a powerful and stable thrust as designed.

[0059] A closer look at the internal structure of the elastic component 2 reveals that it is composed of multiple meticulously designed parts working together. The mounting cavity 201, serving as the basic carrier of the elastic component 2, is cleverly inserted into the airbag box 101 at one end through the first mounting hole 103. This insertion-type installation method not only ensures a stable connection between the mounting cavity 201 and the airbag box 101 but also provides a reliable foundation for the coordinated operation of other components. At the other end face of the mounting cavity 201, a threaded mounting piece 202 is securely fixed, acting as a connecting hub responsible for establishing close connections with other key components. The spring 203, as the core energy storage component of the elastic component 2, is precisely placed within the mounting cavity 201, with one end firmly fixed to the end face fitted onto the threaded mounting piece 202. When the airbag inflates and pushes the airbag covering mechanism 1, the spring 203 is compressed and undergoes elastic deformation, storing energy; when the airbag releases, the spring 203 releases its stored elastic deformation energy, playing a crucial role. Bolt 204 is a crucial link connecting the elastic component 2 and the airbag cover 102. One end of bolt 204 is precisely inserted into the airbag cover 102 through the second mounting hole 104, and then screwed into the threaded hole of the threaded mounting part 202, extending out of the threaded hole. Finally, a locking nut 205 is installed on the end of bolt 204 that extends out of the threaded hole. By rotating the locking nut 205, bolt 204 is tightly screwed onto the end face of the threaded mounting part 202, ensuring a tight connection between all components of the elastic component 2 and preventing loosening during operation, thus guaranteeing the stable and reliable operation of the elastic component 2. When the airbag is released, spring 203 releases its elastic deformation, and the resulting elastic force pushes the mounting cavity 201, thereby moving the airbag cover 102 away from the airbag box 101. This process generates a powerful thrust, providing continuous power for the efficient operation of the entire system.

[0060] In addition, an open gasket 206 and a rubber ring 207 are provided between the lower end of the locking nut 205 and the mounting cavity 201. The presence of the open gasket 206 effectively increases the contact area between the locking nut 205 and the mounting cavity 201, allowing for a more even distribution of pressure when tightening the locking nut 205, thus preventing damage to the mounting cavity 201 due to excessive local pressure. Simultaneously, the open gasket 206 also helps prevent the locking nut 205 from loosening due to vibration or other factors during equipment operation, further enhancing the stability of the connection. The rubber ring 207 primarily serves a sealing and vibration damping function. During equipment operation, some liquid or gaseous media may be present; the rubber ring 207 effectively prevents these media from entering the elastic component 2 through the gap between the mounting cavity 201 and the locking nut 205, thus preventing corrosion or damage to internal precision components. In addition, when the equipment vibrates during operation, the rubber ring 207 can absorb some of the vibration energy, reduce the impact on the connection parts of the elastic component 2 caused by the vibration, extend the service life of the elastic component 2, ensure that it can effectively constrain the stroke of the airbag covering mechanism 1 for a long time, and ensure the efficient and reliable operation of the entire lifting airbag thrust structure.

[0061] Furthermore, the airbag is installed within the airbag installation space, with both the inflation port and the deflation port extending outside the airbag box 101.

[0062] Specifically, both the inflation port and the deflation port of the airbag are specially designed to extend outside the airbag housing 101. From an inflation perspective, placing the inflation port outside the airbag housing 101 facilitates connection to external inflation equipment. Operators can easily connect the inflation pipe to the inflation port without worrying about obstruction by the airbag housing 101, enabling efficient and convenient inflation of the airbag. Moreover, during inflation, the external location of the inflation port allows for real-time monitoring of the inflation process, such as inflation speed and pressure changes, enabling timely adjustments in case of any abnormalities. From a deflation perspective, the deflation port extending outside the airbag housing 101 allows for smooth gas discharge from the airbag. When it is necessary to release the pressure inside the airbag, the gas can be directly discharged through the externally extending deflation port, preventing gas accumulation inside the airbag housing 101. This ensures a rapid and stable deflation process for the airbag, guaranteeing the safe operation of the entire system.

[0063] Furthermore, the airbag box 101 is provided with a mounting part 3 for installation on the edge of the door frame to complete the sealing of the door.

[0064] Specifically, to realize the function of this structure in practical applications, a mounting component 3 is specially set on the airbag box 101. The function of this mounting component 3 is to install the entire structure that enhances the thrust of the airbag at the edge of the door frame. During installation, the mounting component 3 fits tightly against the edge of the door frame, and the airbag covering mechanism 1 is firmly fixed to the door frame through appropriate installation methods, such as bolt connection and slot fixing. When the airbag inflates, the thrust generated by the airbag is transmitted to the door frame through the airbag covering mechanism 1, and then acts on the door. At the same time, the airbag will tightly fit the gap between the door and the door frame during the inflation process, forming a good sealing effect. This seal can not only effectively prevent external dust, noise, moisture and other substances from entering the room, but also ensure the stability of the pressure inside the chamber in some special environments, such as high and low pressure oxygen chambers, providing a safe and comfortable environment for the personnel inside. Moreover, due to the presence of the elastic component 2, the stroke of the airbag covering mechanism 1 can be effectively constrained, making the airbag more stable and reliable in the process of generating thrust and sealing, further improving the sealing performance of the door and the working efficiency of the entire system.

[0065] Example 2

[0066] The oxygen chamber has a structure for increasing airbag thrust as described in Example 1 above installed on its door.

[0067] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A structure for increasing the thrust of an airbag, characterized by, The structure includes: An airbag covering mechanism (1) is used to install an airbag therein; At least two elastic components (2) are used to effectively constrain the stroke of the airbag covering mechanism (1); Each of the elastic components (2) is installed at both ends of the airbag covering mechanism (1); When the airbag inflates, the elastic component (2) pushes the airbag covering mechanism (1) and generates thrust.

2. The structure for increasing the lift force of the air bag according to claim 1, wherein The airbag covering mechanism (1) includes: an airbag box (101) and an airbag cover (102); the airbag cover (102) covers the airbag box (101) and forms an airbag installation space; The cross-sections of the airbag box (101) and the airbag cover (102) are U-shaped; The airbag box (101) has a first mounting hole (103) at both ends, and the airbag cover (102) has a second mounting hole (104) at both ends. The first mounting hole (103) and the second mounting hole (104) are in corresponding positions.

3. The structure for increasing the lift force of the air bag according to claim 2, wherein The cross-section of the second mounting hole (104) is trapezoidal.

4. The structure for enhancing airbag thrust according to claim 3, characterized in that, The elastic component (2) includes: The mounting cavity (201) is inserted into the airbag box (101) through the first mounting hole (103) at one end; A threaded mounting component (202) is fixedly mounted on the other end face of the mounting cavity (201); A spring (203) is located inside the mounting cavity (201), and one end of it is fixedly mounted on the end face of the threaded mounting part (202); The bolt (204) has one end inserted into the airbag cover (102) through the second mounting hole (104), and is screwed into the threaded hole of the threaded mounting part (202) and extends out of the threaded hole; A lock nut (205) is installed on the end of the bolt (204) that protrudes from the threaded hole and screws the bolt (204) onto the end face of the threaded mounting part (202); When the airbag is released, the elastic deformation of the release spring (203) causes the airbag cover (102) to move away from the airbag box (101) and generate thrust.

5. The structure for enhancing airbag thrust according to claim 4, characterized in that, An open washer (206) and a rubber ring (207) are provided between the locking nut (205) and the lower end of the mounting cavity (201).

6. The structure for enhancing airbag thrust according to claim 5, characterized in that, The airbag is installed in the airbag installation space, and the airbag inflation port and air outlet both extend outside the airbag box (101).

7. The structure for enhancing airbag thrust according to claim 6, characterized in that, The airbag box (101) is provided with an installation part (3) for installation on the edge of the door frame to complete the sealing of the door.

8. An oxygen chamber, characterized in that, The oxygen chamber door is equipped with the structure described in claim 7 for enhancing airbag thrust.

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