Airbag guide structure and vehicle

Abstract

The application relates to the technical field of vehicle safety, and provides an air bag guiding structure and a vehicle. The air bag guiding structure comprises a mounting base plate for mounting a safety air bag, and a guiding support arranged on the mounting base plate. The safety air bag comprises an air bag body and a gas generator for triggering the air bag body to expand and unfold, the guiding support is arranged corresponding to the air bag body in a rolled state, the air bag body is limited in a cavity formed between the guiding support and the mounting base plate, and the cavity has an unfolding channel for the air bag body to unfold to the outside; meanwhile, a guide structure is arranged on the guiding support, and the guide structure can guide the air bag body to expand to an unfolded state along a set unfolding path. The air bag guiding structure can effectively control the unfolding direction of the safety air bag, is favorable for improving the stability of the safety air bag in the blasting and unfolding process, and further improves the protection effect on passengers and reduces the risk of passengers caused by collision.

Description

Technical Field

[0001] This application relates to the field of vehicle safety technology, and in particular to an airbag guidance structure and a vehicle. Background Technology

[0002] In the field of vehicle safety, airbags are a key component protecting passengers in side-impact collisions. As vehicle designs become increasingly complex, people's demands for vehicle safety are also rising, leading to an increase in the number and placement of airbags. To ensure that airbags effectively protect the occupants after deployment, the direction of airbag deployment has gradually become an important indicator of airbag safety performance. In traditional designs, taking door-mounted airbags as an example, they are typically fixed to the inner panel of the sheet metal assembly by mounting brackets and concealed by the interior trim panel. In a collision, the airbag is triggered and inflates, breaking through a pre-existing weak point in the interior trim panel and deploying to the inside of the window glass, providing side protection for the occupants.

[0003] However, the traditional mounting bracket structure is simple in design and cannot effectively guide the airbag's burst deployment path. This not only easily leads to uneven airbag deployment, but also often results in the deployment path deviating from the predetermined direction. The poor stability during deployment affects the airbag's protective performance. Utility Model Content

[0004] In view of this, this application aims to propose an airbag guiding structure to improve the stability of the airbag during the deployment process.

[0005] To achieve the above objectives, the technical solution of this application is implemented as follows: An airbag guiding structure includes a mounting base for mounting an airbag and a guide bracket disposed on the mounting base. The airbag includes an airbag body and a gas generator for triggering the airbag body to inflate and deploy. The guide bracket is disposed corresponding to the airbag body in a retracted state. The airbag body is confined within a cavity formed between the guide bracket and the mounting base, and the cavity has a deployment channel for the airbag body to deploy to the outside. The guide bracket is provided with a guide structure that can guide the airbag body to inflate to the deployed state along a predetermined deployment path.

[0006] Furthermore, the airbag body includes a main body portion that is rolled up into a long cylindrical shape, and a connecting portion connecting the gas generator and the main body portion. The guide bracket includes a guide plate body disposed corresponding to the main body portion and a cover plate body disposed corresponding to the connecting portion. The guide structure is disposed on the guide plate body.

[0007] Furthermore, a strap is attached to the main body portion for securing the main body portion within the cavity.

[0008] Furthermore, the bottom of the strap is provided with a fixing piece, which is screwed and fastened to the mounting base plate; and / or, a tree-shaped buckle is threaded through the strap, which engages with a buckle hole provided on the mounting base plate.

[0009] Furthermore, the gas generator is provided with a plurality of mounting feet at intervals, and each mounting foot is screwed and fastened to the mounting base plate.

[0010] Furthermore, the guide bracket is provided with a plurality of fixed feet at intervals, and each of the fixed feet is screwed and fastened to the mounting base plate.

[0011] Furthermore, the guide structure includes a guide groove formed on the guide plate body, the guide groove being arranged along the length direction of the main body portion which is elongated and cylindrical.

[0012] Furthermore, the guide structure also includes a plurality of guide ribs spaced apart on the guide plate, each guide rib intersecting perpendicularly to the guide groove.

[0013] Compared with related technologies, this application has the following advantages: (1) The airbag guiding structure of this application, by setting a guide bracket on the mounting base, confines the airbag body of the airbag in the cavity formed between the mounting base and the guide bracket. By using the deployment channel set in the correct direction of the cavity, the airbag body can be effectively prevented from deploying unrestrainedly after the explosion. At the same time, by using the guide structure set on the guide bracket, the airbag body is guided to deploy evenly on the correct deployment path, which can effectively avoid interference with surrounding components and uneven deployment of the airbag during deployment. This achieves effective control of the deployment direction of the airbag, which is conducive to improving the stability of the airbag during the explosion deployment process, thereby improving the protection effect for passengers and reducing the risk of collision to passengers.

[0014] (2) Rolling the main body of the airbag into a long cylindrical shape can effectively reduce the volume of the airbag. Correspondingly, setting the guide plate into a long strip shape can define a small and well-defined chamber, which also provides good conditions for the subsequent explosion and deployment of the airbag. At the same time, a cover plate with a protective covering effect is set on the guide bracket corresponding to the connecting part of the airbag. This not only limits the volume of the connecting part when the airbag explodes and expands, but also provides good protection for the connecting part.

[0015] (3) Using straps to bind the rolled-up main body into a cylindrical shape can prevent it from becoming scattered before the airbag is assembled. Using straps to fix the main body in the cavity can not only achieve the pre-fixation of the main body during the installation of the airbag and guide bracket, but also prevent the main body from moving randomly in the cavity.

[0016] (4) By pre-reserving a fixing piece at the bottom of the strap, the fixing piece can be stably fastened to the mounting plate using mounting bolts and other connectors, thus facilitating the pre-fixation of the main body on the mounting plate. By using tree-shaped buckles to pierce the strap and engage with the pre-reserved buckle holes on the mounting plate, the strap can also be quickly snapped and fixed on the mounting plate, making the installation and fixing of the strap on the mounting plate more convenient.

[0017] (5) By setting multiple mounting feet at intervals on the gas generator and using fasteners such as mounting bolts, the gas generator can be securely installed on the set position on the mounting base plate, thereby ensuring the convenience and reliability of the installation operation of the airbag on the mounting base plate.

[0018] (6) Similar to the installation of the gas generator, multiple fixed feet are set at intervals on the guide bracket, and through holes are reserved on the fixed feet. By using fasteners such as mounting bolts, each fixed foot can be easily fixed to the mounting base, thereby ensuring the reliability of the guide bracket installation on the mounting base.

[0019] (7) A guide groove is provided in the length direction of the main body part that is rolled into a long cylindrical shape. As a guide structure on the guide plate, it can not only restrict the position of the main body part in the length direction and prevent it from moving randomly, but also when the airbag body explodes and expands, the gas generated by the gas generator can quickly fill along the length direction of the main body part, preventing the gas from accumulating in a certain position and ensuring the uniformity of the expansion of the main body part.

[0020] (8) Multiple guide ribs are set in the direction of the vertical guide groove, so that the gas filling the length of the main body can start to cause the main body to expand along the direction of the guide ribs to drive the main body to unfold. In the specific setting, it should be ensured that the unfolding path is consistent with the direction of the guide ribs. This can better achieve the good directional guidance effect of the guide structure, so as to guide the airbag body to expand and unfold smoothly and evenly on the set unfolding path.

[0021] Another object of this application is to provide a vehicle equipped with the airbag guidance structure described in this application.

[0022] Furthermore, the airbag guiding structure is disposed on the door sheet metal assembly of the vehicle, and the inner door panel of the door sheet metal assembly constitutes the mounting base plate; the airbag is disposed near the bottom edge of the window, and the deployment channel is located at the top of the chamber.

[0023] The vehicle described in this application possesses the technical advantages of the aforementioned airbag guiding structure. Furthermore, positioning the airbag within the door near the bottom edge of the window ensures precise installation of the airbag and its guiding bracket within the door, reducing spatial interference between the airbag and other internal door components. This also facilitates airbag replacement and maintenance after deployment. In the event of a collision, the airbag is triggered and inflates, breaching a pre-existing weak point in the interior trim panel and deploying to the inside of the window glass, providing effective side protection for the occupant. Attached Figure Description

[0024] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application. The directional terms such as front / back, up / down, etc., used therein are only used to indicate relative positional relationships and do not constitute an improper limitation of this application. In the accompanying drawings: Figure 1 This is a schematic diagram of the overall structure of the airbag guiding structure described in this application embodiment, which is disposed on the inner panel of the vehicle door. Figure 2 for Figure 1 A front view of the part shown in section A; Figure 3 for Figure 2 A schematic diagram showing the disassembled structure of each component; Figure 4 for Figure 2 Cross-sectional view at the location shown in BB; Figure 5 This is a schematic diagram of the cooperation structure between the airbag and the guide bracket as described in the embodiments of this application; Figure 6 for Figure 5 A schematic diagram of the guide bracket in the diagram.

[0025] Explanation of reference numerals in the attached figures: 1. Door inner panel; 10. Window; 11. Mounting hole; 12. Clip hole; 2. Guide bracket; 20. Fixed support leg; 200. Through hole; 21. Cover plate; 22. Guide plate; 23. Guide structure; 231. Guide rib; 232. Guide groove; 3. Airbag; 30. Airbag body; 300. Main body; 301. Connecting part; 31. Gas generator; 310. Mounting feet; 32. Straps; 321. Tree-shaped buckle; 322. Fixing plate; 4. Mounting bolts; 400mm washers; 5. Chamber; 500. Deployment passage. Detailed Implementation

[0026] To make the technical solution and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0028] Furthermore, it should be stated in the description of this application that if terms indicating orientation or positional relationship, such as "up," "down," "left," "right," "front," "rear," "inner," and "outer," appear, they are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application and for clarity and conciseness of expression, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed or operated in a specific orientation, and therefore should not be construed as a limitation of this application. Taking the vehicle described in this application as an example, the directional terms such as "up," "down," "left," "right," "front," and "rear" used in the embodiments are defined based on the vehicle's vertical direction (also known as the height direction), horizontal direction (also known as the width direction), and front-back direction (also known as the length direction). Specifically, as shown in the accompanying drawings, the X direction is the vehicle's front-back direction, where the side pointed by the arrow is "front," and the opposite is "rear." The Y direction is the vehicle's horizontal direction, where the side pointed by the arrow is "left," and the opposite is "right." The Z direction is the vehicle's vertical direction, where the side pointed by the arrow is "up," and the opposite is "down." "Inner" and "outer" are defined based on the outline of the corresponding components. For example, "inner" and "outer" are defined based on the outline of the vehicle. The side of the vehicle outline closer to the middle of the vehicle is "inner", and the other side is "outer".

[0029] Furthermore, in the description of this application, unless otherwise expressly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0030] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] In the field of vehicle safety, airbags are a key component protecting passengers in side-impact collisions. As vehicle designs become increasingly complex, people's demands for vehicle safety are also rising, leading to an increase in the number and placement of airbags. To ensure that airbags effectively protect the occupants after deployment, the direction of airbag deployment has gradually become an important indicator of airbag safety performance. Taking door airbags as an example, in traditional designs, they are typically fixed to the inner door panel of the door assembly via mounting brackets and concealed by the door trim panel. In a collision, the airbag is triggered and inflates, breaking through a pre-existing weak point in the trim panel and deploying to the inside of the window glass, providing side protection for the occupants.

[0032] However, traditional mounting bracket structures are simple in design and cannot effectively guide the airbag's deployment path. This not only easily leads to uneven airbag deployment but also frequently results in the deployment path deviating from the intended direction, leading to poor stability during deployment and affecting the airbag's protective performance. Furthermore, due to insufficient material strength, the bracket is prone to plastic deformation under high-pressure bursting force, losing its guiding function. The bracket is also easily deformed or damaged under bursting impact, increasing the failure rate of the airbag during deployment.

[0033] In addition, the traditional airbag mounting bracket has a fixed installation method and position inside the car door. If the selected position is not good, it is easy to interfere with other components inside the car door, which will hinder the deployment of the airbag.

[0034] In view of the above-mentioned problems in related technologies, this application innovatively proposes a novel airbag guidance structure to improve the stability of airbags during the deployment process.

[0035] The present application will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0036] An embodiment of the first aspect of this application provides an airbag guidance structure, which can be applied to the installation and application scenarios of airbag 3; an exemplary structure is as follows: Figure 1 , Figure 2 and Figure 3 As shown.

[0037] Overall, the airbag guiding structure includes a mounting base for mounting the airbag 3 and a guide bracket 2 disposed on the mounting base. The airbag 3 includes an airbag body 30 and a gas generator 31 for triggering the inflation and deployment of the airbag body 30. The guide bracket 2 is disposed corresponding to the airbag body 30 in its retracted state. The airbag body 30 is confined within a cavity 5 formed between the guide bracket 2 and the mounting base, and the cavity 5 has an deployment channel 500 for the airbag body 30 to deploy to the outside. Simultaneously, the guide bracket 2 is provided with a guide structure 23, which guides the airbag body 30 to inflate to the deployed state along a predetermined deployment path.

[0038] Based on the overall design concept described above, by setting a guide bracket 2 on the mounting base plate, the airbag body 30 of the airbag 3 is confined within the cavity 5 formed between the mounting base plate and the guide bracket 2. Utilizing the deployment channel 500 set in the correct direction in the cavity 5, the airbag body 30 can be effectively prevented from deploying unrestrainedly after explosion. At the same time, with the help of the guide structure 23 set on the guide bracket 2, the airbag body 30 is guided to deploy evenly on the correct deployment path, which can effectively avoid interference between the airbag 3 and surrounding components and uneven deployment during airbag deployment. This achieves effective control over the deployment direction of the airbag 3, which is beneficial to improving the stability of the airbag 3 during the deployment process, thereby enhancing the protection effect for passengers and reducing the risks to passengers from collisions.

[0039] It should be noted that, based on the above overall design concept, the technical solution of this application can adopt a variety of different specific implementation structures, forms, or configuration sequences. For example, the guide bracket 2 mentioned above can be made of aluminum alloy or high-strength steel; the guide structure 23 on the guide bracket 2 can be a guide slope, an arc surface, or a guide rail, guide groove, guide rib, etc. The specific setting sequence and assembly method of the airbag 3, guide bracket 2, etc. on the mounting base plate can also be flexibly adjusted. For the parts required for the implementation of the overall solution but not involved in the above overall setting, reasonable and flexible design can be made by referring to mature setting methods in the field and the actual situation during implementation, etc., which will not be elaborated here. The specific implementation schemes described below in this embodiment are only one of the many solutions that can be formed by the various combinations and variations mentioned above. In actual implementation, those skilled in the art can make flexible adjustments and improvements based on the actual situation. Obviously, the various solutions that can be formed by the combinations and variations of the above specific forms, as well as the specific implementation schemes of this embodiment, are all within the protection scope of this application.

[0040] The following will provide a detailed description of the solution proposed in this application. To facilitate a better understanding of the solution, it should be noted before proceeding with the detailed description that the airbag guiding structure of this application can be applied to the installation and guidance of airbags 3 in various locations on a vehicle. For example, it can be applied to airbags 3 on the steering wheel, airbags 3 protecting the knees, airbags 3 protecting the head, etc. This embodiment uses the installation of an airbag 3 on the upper door as an example; the door sheet metal assembly typically includes an inner door panel 1 and an outer door panel. In this embodiment, the inner door panel 1 is used as the mounting base to complete the installation and arrangement of the airbag 3 and the guiding bracket 2 on the inner door panel 1. There are, of course, various choices for the material and processing method of the guiding bracket 2; for example, high-strength steel or high-strength aluminum alloy can be used. It is preferred to use an aluminum alloy integral stamping process. If aluminum alloy composite materials such as aluminum-silicon alloy can be used, this will help improve the impact resistance and fatigue resistance of the guiding bracket 2, enabling it to withstand the impact force of the airbag 3 during its expansion process. The burst pressure of the airbag 3 is usually between 200 kPa through the insertion hole and 300 kPa in the main body. Therefore, the impact force generated by the expansion of the airbag 3 is very large. The guide bracket 2 is made of high-strength aluminum alloy, which can withstand the pressure and impact force generated by the burst of the airbag 3, thus successfully realizing its guiding function.

[0041] Specifically, continue as Figure 3 and Figure 4 , Figure 5 As shown, as a preferred exemplary embodiment among various feasible solutions, the airbag body 30 of this embodiment includes a main body portion 300 rolled into a long cylindrical shape and a connecting portion 301 connecting the gas generator 31 and the main body portion 300. Correspondingly, the guide bracket 2 includes a guide plate 22 corresponding to the main body portion 300 and a cover plate 21 corresponding to the connecting portion 301, with a guide structure 23 disposed on the guide plate 22. Rolling the main body portion 300 of the airbag body 30 into a long cylindrical shape can effectively reduce the volume of the airbag body 30. Correspondingly, setting the guide plate 22 to a long strip shape can define a small and well-defined chamber 5, and also provide good conditions for the subsequent burst deployment of the airbag body 30. At the same time, the cover plate 21 with a protective covering effect is provided on the guide bracket 2 corresponding to the connecting portion 301 of the airbag body 30. This not only limits the volume of the connecting portion 301 when the airbag body 30 bursts and expands, but also provides good protection for the connecting portion 301.

[0042] Furthermore, in this embodiment, a strap 32 is attached to the main body 300 of the airbag body 30. The strap 32 is used to fix the main body 300 within the chamber 5. By using the strap 32 to bind the rolled-up cylindrical main body 300, it is possible to prevent it from becoming scattered before the airbag 3 is fully assembled. Fixing the main body 300 within the chamber 5 with the strap 32 not only allows for pre-fixation of the main body 300 during the installation of the airbag 3 and the guide bracket 2, but also prevents the main body 300 from moving freely within the chamber 5.

[0043] There are various options for the specific configuration of the strap 32; for example, easily detachable plastic cable ties or ropes can be used, which can be glued to the mounting base, snapped on, or screwed onto the mounting base. As a preferred exemplary embodiment among various feasible solutions, the bottom of the strap 32 in this embodiment is provided with a fixing piece 322, which is fastened to the mounting base by mounting bolts 4. By pre-leaving the fixing piece 322 at the bottom of the strap 32, the fixing piece 322 can be stably fastened to the mounting base using connecting parts such as mounting bolts 4, thereby conveniently achieving the pre-fixation of the main body 300 on the mounting base.

[0044] Simultaneously, the strap 32 can be fixed using tree-shaped clips 321. Specifically, tree-shaped clips 321 are threaded through the strap 32 and engage with the slots 12 on the mounting base. By using the tree-shaped clips 321 to penetrate the strap 32 and engage with the slots 12 pre-drilled on the mounting base, the strap 32 can be easily and quickly engaged and fixed on the mounting base, making the installation and fixing of the strap 32 on the mounting base more convenient.

[0045] Still Figure 3 and Figure 5 , Figure 6 As shown, in this embodiment, as a preferred exemplary implementation among various feasible solutions, the gas generator 31 is provided with a plurality of mounting feet 310 spaced apart, and each mounting foot 310 is screwed and fastened to the mounting base plate. By providing a plurality of mounting feet 310 spaced apart on the gas generator 31, and using fasteners such as mounting bolts 4, the gas generator 31 can be securely installed at a predetermined position on the mounting base plate, thereby ensuring the convenience and reliability of the installation operation of the airbag 3 on the mounting base plate.

[0046] The guide bracket 2 can also be fixed to the mounting base plate by screwing. Specifically, in this embodiment, the guide bracket 2 is provided with multiple fixing feet 20 at intervals, and each fixing foot 20 is screwed and fastened to the mounting base plate. Similar to the installation of the gas generator 31, by providing multiple fixing feet 20 at intervals on the guide bracket 2 and pre-reserving through holes 200 on the fixing feet 20, each fixing foot 20 can be easily fixed to the mounting base plate by fasteners such as mounting bolts 4, thereby ensuring the reliability of the guide bracket 2 on the mounting base plate.

[0047] Regarding the above-mentioned configuration, in specific implementation and application, when the guide plate 22 of the guide bracket 2 is elongated, a fixed support leg 20 can be provided at one end of the guide plate 22, and two fixed supports 20 can be provided at intervals on the cover plate 21 below the guide plate 22. Correspondingly, three mounting bolts 4 are used to screw and fasten these three fixed supports 20 to the mounting base plate. To ensure the reliability of the screw fastening, washers 400 can be added to the mounting bolts 4 here, as well as the mounting bolts 4 used to install the gas generator 31 and the strap 32. Taking the inner door panel 1 in the door sheet metal assembly as an example, for the case where the mounting bolts 4 need to be screwed and fixed to the inner door panel 1, mounting holes 11 can be provided on the inner door panel 1. The mounting holes 11 can be directly set as threaded holes, or they can be set as through holes and used with nuts to achieve the screw fastening of the mounting bolts 4 on the inner door panel 1.

[0048] As mentioned above, the guide structure 23 has various design forms. As a preferred exemplary embodiment among various feasible solutions, the guide structure 23 of this embodiment includes a guide groove 232 formed on the guide plate 22, which is arranged along the length of the elongated cylindrical main body portion 300. The guide groove 232, provided along the length of the rolled-up elongated cylindrical main body portion 300, serves as a guide structure 23 on the guide plate 22. This not only restricts the position of the main body portion 300 along its length, preventing it from moving arbitrarily, but also allows the gas generated by the gas generator 31 to quickly fill the main body portion 300 along its length when the airbag body 30 explodes and expands, preventing gas from accumulating in one location and ensuring the uniformity of the expansion of the main body portion 300.

[0049] Regarding the specific setting of the number of guide ribs 231, there are, of course, various technical solutions to choose from; for example, it could be two, three, four, or more. However, to obtain a better technical effect, the following setting is preferred. Specifically, as follows... Figure 6As shown, the guide structure 23 of this embodiment further includes a plurality of guide ribs 231 arranged at intervals on the guide plate body 22, and each of the guide ribs 231 perpendicularly intersects with the guide groove 232. By arranging the plurality of guide ribs 231 in a direction perpendicular to the guide grooves 232, the gas filled in the length direction of the main body portion 300 can start to promote the main body portion 300 to expand along the direction of the guide ribs 231, so as to drive the main body portion 300 to deploy. In specific arrangement, it is of course necessary to ensure that the deployment path is consistent with the direction of the guide ribs 231, so that the good direction guiding effect of the guide structure 23 can be better achieved, so as to guide the airbag body 30 to expand and deploy smoothly and uniformly along the set deployment path.

[0050] In the process of specific implementation and application, the spacing distance and number of the guide grooves 232 shall be reasonably set based on the convenience, rationality and applicability of implementation. In this embodiment, as Figure 6 shown, when three guide ribs 231 are evenly spaced, the guide grooves 232 and the guide ribs 231 form an arrangement similar to the Chinese character "丰", forming a guide structure 23 with evenly distributed and obvious guiding effect.

[0051] In summary, in the airbag guide structure of this embodiment, by arranging the guide bracket 2 on the mounting base plate, the airbag body 30 of the safety airbag 3 is limited in the chamber 5 formed between the mounting base plate and the guide bracket 2, and the deployment channel 500 arranged in the correct direction of the chamber 5 can effectively prevent the airbag body 30 from deploying unrestrictedly after detonation; meanwhile, with the help of the guide structure 23 arranged on the guide bracket 2, the airbag body 30 is guided to deploy uniformly along the correct deployment path, which can effectively avoid the interference between the safety airbag 3 and surrounding components during deployment and uneven deployment, realize effective control of the deployment direction of the safety airbag 3, help improve the stability of the safety airbag 3 during detonation and deployment, thereby improving the protection effect for passengers and reducing the risk of collision to passengers.

[0052] Embodiments of the second aspect of the present application provide a vehicle, which is provided with the airbag guide structure provided by the embodiments of the first aspect of the present application. By providing the airbag guide structure of the present application, the vehicle also has the technical advantages possessed by the above-mentioned airbag guide structure.

[0053] As pointed out in the embodiments of the first aspect, the airbag guide structure of the present application can be used for safety airbags 3 at various positions, and is particularly suitable for the installation and guidance of safety airbags 3 arranged in vehicle doors.

[0054] Still referring to Figures 1 to 6As shown in the figure, the airbag guiding structure of this embodiment is provided on a door sheet metal assembly of a vehicle. At this time, the door inner panel 1 of the door sheet metal assembly constitutes the above-mentioned mounting base plate. For the specific arrangement position, the safety airbag 3 is preferably arranged close to the bottom frame of the vehicle window 10, and the deployment channel 500 of the chamber 5 is arranged at the top of the chamber 5.

[0055] Arranging the safety airbag 3 located in the vehicle door at a position close to the bottom frame of the vehicle window 10 ensures accurate installation of the safety airbag 3 and the guiding bracket 2 at appropriate positions inside the vehicle door, reduces spatial interference between the airbag body 30 and other components inside the vehicle door, and at the same time facilitates replacement and maintenance of the safety airbag 3 after detonation. When a vehicle collision occurs, the safety airbag 3 is triggered to inflate, breaks through the pre-arranged weak part on the interior trim panel and deploys to the inner side of the window glass, forming effective protection for the side of the human body.

[0056] In general, by arranging the airbag guiding structure of the present application on a vehicle, the protection and guiding functions for the airbag body 30 can be well realized; the overall guiding bracket 2 is innovatively designed in the form of an arc-shaped guide rail, the overall arc radius can be set between 24mm and 55mm, and the guiding bracket 2 is provided with three fixing legs 20 to realize three-point fixing, which can ensure its installation reliability. The guiding structure 23 on the guiding bracket 2 adopts a matching form of a guiding convex rib 231 and a guiding groove 232 which are integrally in a "丰"-shape, and can provide accurate guiding effect for airbag deployment.

[0057] In addition, the entire guiding bracket 2 is preferably made of high-strength aluminum alloy composite material, which can significantly improve its durability and reliability, reduce the failure rate by about 50%, and effectively prolong its service life. Moreover, as an independent component, the guiding bracket 2 can be produced and installed separately, which is simple in assembly and low in production cost, and is suitable for being arranged on doors of different vehicle models. After the guiding bracket 2 is configured, the accuracy of the deployment path of the safety airbag 3 can be increased by more than 30%, which can ensure the protection effect of the safety airbag 3 on passengers when a vehicle collision occurs.

[0058] The above description is only a preferred embodiment of the present application. The explanations of detailed configuration, examples of specific structural arrangement forms, and expressions of assembly connection modes, etc., are all for the requirement of sufficient disclosure, so that those skilled in the art can better implement the present application, and are not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An airbag guidance structure, characterized in that: It includes a mounting base for mounting an airbag (3) and a guide bracket (2) disposed on the mounting base. The airbag (3) includes an airbag body (30) and a gas generator (31) for triggering the airbag body (30) to expand and deploy. The guide bracket (2) is provided corresponding to the airbag body (30) in the retracted state. The airbag body (30) is defined in a cavity (5) formed between the guide bracket (2) and the mounting base plate, and the cavity (5) has a deployment channel (500) for the airbag body (30) to deploy to the outside. The guide bracket (2) is provided with a guide structure (23), which can guide the airbag body (30) to expand to the deployed state along the set deployment path.

2. The airbag guidance structure according to claim 1, characterized in that: The airbag body (30) includes a main body portion (300) that is rolled into a long cylindrical shape, and a connecting portion (301) connecting the gas generator (31) and the main body portion (300). The guide bracket (2) includes a guide plate (22) corresponding to the main body portion (300) and a cover plate (21) corresponding to the connecting portion (301). The guide structure (23) is disposed on the guide plate (22).

3. The airbag guidance structure according to claim 2, characterized in that: A strap (32) is attached to the main body (300) for securing the main body (300) inside the chamber (5).

4. The airbag guiding structure according to claim 3, characterized in that: The bottom of the strap (32) is provided with a fixing piece (322), which is screwed and fastened to the mounting base plate; And / or, a tree-shaped buckle (321) is provided on the strap (32), and the tree-shaped buckle (321) is engaged in the buckle hole (12) provided on the mounting base plate.

5. The airbag guidance structure according to claim 2, characterized in that: The gas generator (31) is provided with a plurality of mounting feet (310) spaced apart, and each of the mounting feet (310) is screwed and fastened to the mounting base plate.

6. The airbag guiding structure according to claim 2, characterized in that: The guide bracket (2) is provided with a plurality of fixed feet (20) spaced apart, and each fixed foot (20) is screwed and fastened to the mounting base plate.

7. The airbag guiding structure according to any one of claims 2 to 6, characterized in that: The guide structure (23) includes a guide groove (232) formed on the guide plate (22), the guide groove (232) being arranged along the length of the main body portion (300) which is elongated.

8. The airbag guiding structure according to claim 7, characterized in that: The guide structure (23) also includes a plurality of guide ribs (231) spaced apart on the guide plate (22), each of the guide ribs (231) intersecting perpendicularly with the guide groove (232).

9. A vehicle, characterized in that: The vehicle is equipped with an airbag guidance structure as described in any one of claims 1 to 8.

10. The vehicle according to claim 9, characterized in that: The airbag guiding structure is disposed on the sheet metal assembly of the vehicle, and the inner plate (1) of the sheet metal assembly constitutes the mounting base plate; the airbag (3) is disposed near the bottom edge of the window (10), and the deployment channel (500) is located at the top of the chamber (5).

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