CN219339398U

CN219339398U - Airbag module and vehicle

Info

Publication number: CN219339398U
Application number: CN202320222657.7U
Authority: CN
Inventors: 郑亮
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-07-14
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a liquid returning vehicle of an air bag assembly, which comprises a bottom plate and a decorative cover plate, wherein the bottom plate is provided with a buckle and a limiting hole, and the limiting hole extends along the thickness direction of the bottom plate; the decorative cover plate is provided with a protruding portion, the protruding portion is provided with a clamping hole, the protruding portion is inserted into the limiting hole and matched with the hole wall of the limiting hole, and the clamping buckle is matched with the clamping hole in a clamping mode so as to limit the decorative cover plate in the thickness direction of the bottom plate. The safety airbag module provided by the embodiment of the utility model has the advantages of high matching precision, difficult shaking and the like.

Description

Airbag module and vehicle

Technical Field

The utility model relates to the technical field of safety airbags, in particular to an safety airbag assembly and a vehicle.

Background

The front airbag module on the vehicle steering wheel comprises a bottom plate, a decorative cover plate and an airbag, wherein the bottom plate is positioned at the lower part of the front airbag module and is fixedly arranged in the steering wheel, the decorative cover plate is positioned at the upper part of the front airbag module, the upper surface of the decorative cover plate is visible to a driver, the decorative cover plate is also a contact part for the driver to press a loudspeaker, and the airbag is arranged in an installation space formed between the decorative cover plate and the bottom plate. When the vehicle is in an impact accident, the air bag in the installation space is instantaneously ignited and is unfolded after penetrating out of the decorative cover plate, so that the buffer effect is achieved on a driver, the driver and the parts in the vehicle are prevented from being collided, and the safety of the driver is protected.

In the related art, a connection mode of a hook and a mounting hole hook is generally adopted between the decorative cover plate and the bottom plate, specifically, a mounting hole is formed in the side wall of the decorative cover plate, a hook is arranged on the bottom plate, the decorative cover plate needs to generate larger deformation in the process of hooking the hook in the mounting hole, and after the decorative cover plate is mounted, the matching precision between the decorative cover plate and the bottom plate is poor and the decorative cover plate is easy to shake.

Disclosure of Invention

The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.

For this reason, the embodiments of the present disclosure propose an airbag module that has high fitting accuracy and is not prone to rattle. The embodiment of the disclosure provides a vehicle with high matching precision.

The safety airbag assembly comprises a bottom plate and a decorative cover plate, wherein the bottom plate is provided with a buckle and a limiting hole, and the limiting hole extends along the thickness direction of the bottom plate; the decorative cover plate is provided with a protruding portion, the protruding portion is provided with a clamping hole, the protruding portion is inserted into the limiting hole and matched with the hole wall of the limiting hole, and the clamping buckle is matched with the clamping hole in a clamping mode so as to limit the decorative cover plate in the thickness direction of the bottom plate.

In some embodiments, the limiting hole is a through hole, and the buckle is disposed on a side of the bottom plate away from the decorative cover plate.

In some embodiments, the trim cover plate comprises a cover body and a first coaming, the first coaming is arranged on one side of the cover body close to the bottom plate, a mounting cavity is defined among the first coaming, the cover body and the bottom plate, and the protruding part is arranged on the first coaming;

the bottom plate comprises a bottom plate body, the limiting hole is formed in the bottom plate body, a first stopping part is arranged on the bottom plate body, and the first stopping part is stopped against the protruding part along the thickness direction of the first coaming.

In some embodiments, a second stopping portion is provided on the base plate body, the second stopping portion is stopped against the protruding portion along the thickness direction of the first enclosing plate, and the protruding portion is clamped between the first stopping portion and the second stopping portion in the thickness direction of the first enclosing plate.

In some embodiments, the buckle includes an elastic arm and a clamping protrusion, the second stopping portion is disposed on the elastic arm, a rigid arm is disposed on the base plate body, and the first stopping portion is disposed on the rigid arm.

In some embodiments, the boss is provided on a side of the shroud body remote from the cover body, the boss being sandwiched between the resilient arm and the rigid arm.

In some embodiments, the resilient arm and the rigid arm are both disposed on a side of the base plate body remote from the cover body;

the bottom plate still includes the second bounding wall, the second bounding wall is established the bottom plate body be close to one side of lid body, the second bounding wall cover is established on the first bounding wall.

In some embodiments, the clamping protrusion is provided with a third abutting part, and the third abutting part abuts against the protruding part along the direction facing the bottom plate body;

the decorative cover plate is provided with a fourth abutting part, and the fourth abutting part abuts against the second coaming along the direction facing the bottom plate body.

In some embodiments, the trim cover further includes a plurality of reinforcing ribs, the plurality of reinforcing ribs are disposed at intervals along a circumferential direction of the cover body, the reinforcing ribs are connected to both the cover body and the first coaming, and the fourth abutting portion is disposed on the reinforcing ribs.

A vehicle of an embodiment of the present disclosure includes an airbag assembly as described in any of the embodiments above.

In the use process of the safety airbag assembly, firstly, the bottom plate is fixedly arranged in the steering wheel, and then the protruding part on the decorative cover plate is inserted into the limiting hole so as to limit the protruding part and clamp the clamping buckle on the clamping hole. It will be appreciated that the airbag module is generally a plastic component, and the base plate and the trim cover are also plastic components, which are subject to elastic deformation when subjected to a force. Through set up spacing hole and make bellying and spacing hole's pore wall cooperate on the bottom plate, can carry out spacingly to the length direction and the width direction of trim cover board, prevent that buckle and joint hole from taking place deformation when carrying out joint cooperation, and lead to trim cover board to take place elastic deformation, influence the assembly precision after the trim cover board assembly.

When the buckle joint is in the in-process of the joint hole on the trim cover plate, the buckle takes place elastic deformation in its thickness direction, carries out spacingly to the direction of height of trim cover plate after buckle and joint hole cooperation, and the elastic deformation that the buckle takes place in its thickness direction can not influence spacingly to trim cover plate direction of height.

Compared with the connection mode of hooking the hooks and the mounting holes between the decorative cover plate and the bottom plate in the related art, the safety airbag assembly provided by the embodiment of the utility model limits the length and the width direction of the decorative cover plate by arranging the limiting holes, and limits the height direction of the decorative cover plate by the connection mode of clamping the decorative cover plate and the bottom plate through the clamping buckles and the clamping holes, so that the decorative cover plate is prevented from being greatly deformed to influence the matching precision between the decorative cover plate and the bottom plate, the matching precision between the decorative cover plate and the bottom plate is prevented from being easy to shake, and the risk of abnormal sound between the decorative cover plate and the floor is greatly reduced or even avoided.

Therefore, the airbag module provided by the embodiment of the utility model has the advantages of high matching precision, difficult shaking and the like.

Drawings

Fig. 1 is a schematic structural view of an airbag module according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a bottom plate of an airbag module of an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a trim cover of an airbag module according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the structure of the catch and rigid arms of the airbag module of the embodiment of the utility model.

Fig. 5 is a schematic view of the structure of the catch and rigid arms of the airbag module of an embodiment of the utility model at another perspective.

Reference numerals:

an airbag module 100;

a base plate 1; a base plate body 101; a rigid arm 1011; a first stop 10111; a limiting aperture 1012; a second shroud 102; a clasp 103; a spring arm 1031; a second stopper 10311; a catching projection 1032; a third stopper 10321;

a decorative cover plate 2; a cover body 201; a first shroud 202; a coaming body 2021; a boss 2022; a snap hole 20221; reinforcing ribs 203; fourth stopper 2031.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The technical solutions of the present application are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the airbag module 100 of the embodiment of the utility model includes a bottom plate 1 and a trim cover 2, the bottom plate 1 has a buckle 103 and a limiting hole 1012, the limiting hole 1012 extends along the thickness direction of the bottom plate 1, the trim cover 2 has a boss 2022, the boss 2022 has a clamping hole 20221, the boss 2022 is inserted into the limiting hole 1012 and cooperates with the wall of the limiting hole 1012, and the buckle 103 cooperates with the clamping hole 20221 in a clamping manner so as to limit the trim cover 2 in the thickness direction of the bottom plate 1.

In the use process of the airbag module 100 according to the embodiment of the utility model, firstly, the bottom plate 1 is fixedly installed in the steering wheel, then the protruding portion 2022 on the trim cover 2 is inserted into the limiting hole 1012, so as to limit the protruding portion 2022, and the buckle 103 is clamped on the clamping hole 20221. It will be appreciated that the airbag module 100 is generally a plastic part, and the bottom plate 1 and the trim cover 2 are also plastic parts, so that the trim cover 2 is easy to elastically deform after being stressed. Through set up spacing hole 1012 and make bellying 2022 and spacing hole 1012's pore wall cooperate on bottom plate 1, can carry out spacingly to the length direction and the width direction of trim cover board 1, prevent buckle 103 and joint hole 20221 and take place deformation when carrying out joint cooperation bellying 2022, and lead to trim cover board 2 to take place elastic deformation, influence the assembly precision after the assembly of trim cover board 2.

When the buckle 103 is clamped in the clamping hole 20221 on the trim cover 2, the buckle 103 elastically deforms in the thickness direction, the buckle 103 is clamped in the clamping hole 20221 to limit the height direction of the trim cover 2, and the elastic deformation of the buckle 103 in the thickness direction does not affect the limit on the height direction of the trim cover 2.

Therefore, compared with the connection mode of hooking the hooks with the mounting holes in the related art, the airbag module 100 of the embodiment of the utility model limits the length and width directions of the trim cover plate 2 by arranging the limiting holes 1012, and limits the height direction of the trim cover plate 2 by the connection mode of clamping the trim cover plate 2 with the bottom plate 1 through the clamping buckles 103 and the clamping holes 20221, thereby avoiding the trim cover plate 2 from being deformed too much in the assembly process, ensuring high matching precision between the trim cover plate 2 and the bottom plate 1, being not easy to shake, and further greatly reducing or even avoiding the risk of abnormal sound between the trim cover plate 2 and the floor.

Therefore, the airbag module 100 of the embodiment of the utility model has the advantages of high fitting accuracy, less possibility of shaking, and the like.

In some embodiments, the limiting hole 1012 is a through hole, and the buckle 103 is disposed on a side of the bottom plate 1 away from the trim cover plate 2.

For example, as shown in fig. 4 and 5, by providing the limiting hole 1012 as a through hole and providing the buckle 103 on the side of the base plate 1 away from the trim cover plate 2, the mounting of the trim cover plate 2 is facilitated during the mounting process.

In some embodiments, the trim cover 2 includes a cover body 201 and a first enclosing plate 202, the first enclosing plate 202 is disposed on a side of the cover body 201 near the bottom plate 1, the clamping hole 20221 is disposed on the first enclosing plate 202, a mounting cavity is defined between the first enclosing plate 202, the cover body 201 and the bottom plate 1, and the protruding portion 2022 is disposed on the first enclosing plate 202.

The base plate 1 includes a base plate body 101, a limiting hole 1012 is formed in the base plate body 101, a first abutting portion 10111 is formed in the base plate body 101, and the first abutting portion 10111 abuts against the boss 2022 along a thickness direction of the first enclosing plate 202.

For example, as shown in fig. 1, 2 and 5, the first coaming 202 is annular, the first coaming 202 extends in the thickness direction of the cover body 201, the engagement holes 20221 extend in the thickness direction of the first coaming 202, and the air bag is placed in the installation cavity defined between the first coaming 202, the cover body 201 and the bottom plate 1. The buckle 103 is arranged on the inner side of the first coaming 202 and is clamped on the clamping hole 20221, and the first abutting part 10111 abuts against the outer side of the first coaming 202 along the thickness direction of the first coaming 202 so as to limit the thickness direction of the first coaming 202, prevent the buckle 103 from deforming when being clamped on the clamping hole 20221, influence the matching precision between the buckle 103 and the clamping hole 20221, and facilitate improving the matching precision of the airbag module 100 in the embodiment of the utility model.

In some embodiments, the base plate body 101 is provided with a second abutting portion 10311, the second abutting portion 10311 abuts against the protruding portion 2022 along the thickness direction of the first enclosing plate 202, and the protruding portion 2022 is sandwiched between the first abutting portion 10111 and the second abutting portion 10311 in the thickness direction of the first enclosing plate 202.

For example, as shown in fig. 1 to 5, the first abutting portion 10111 and the corresponding second abutting portion 10311 are oppositely disposed in the thickness direction of the first coaming 202. After the buckle 103 is clamped on the clamping hole 20221, the first abutting portion 10111 and the second abutting portion 10311 abut against the first enclosing plate 202 along the thickness direction of the first enclosing plate 202, so as to limit the first enclosing plate 202 in the thickness direction of the first enclosing plate 202, prevent the first enclosing plate 202 from deforming in the thickness direction during assembly, influence the matching precision between the buckle 103 and the clamping hole 20221, and facilitate further improving the matching precision of the airbag assembly 100 according to the embodiment of the utility model.

In some embodiments, the buckle 103 includes an elastic arm 1031 and a locking protrusion 1032, the second stopping portion 10311 is disposed on the elastic arm 1031, the base plate body 101 is provided with a rigid arm 1011, and the first stopping portion 10111 is disposed on the rigid arm 1011.

For example, as shown in fig. 1 to 5, the elastic arms 1031 extend in the thickness direction of the floor body 101, the elastic arms 1031 have fixed ends and free ends, the fixed ends are connected to the floor body 101, the free ends are provided in overhanging, and the click projections 1032 are provided on the free ends. It will be appreciated that the resilient arms 1031 may be resiliently deformable and the rigid arms 1011 may not be resiliently deformable.

Specifically, in the airbag module 100 of the embodiment of the utility model, during the assembly, first, the first shroud 202 is moved to be interposed between the rigid arm 1011 and the elastic arm 1031, and the first abutment 10111 is made to abut against the outside of the first shroud 202; then, the elastic arms 1031 are elastically deformed in the thickness direction of the first enclosing plate 202, and the first enclosing plate 202 is moved to be placed at the position where the engaging hole 20221 corresponds to the engaging protrusion 1032 in the thickness direction of the first enclosing plate 202; finally, the elastic arms 1031 are elastically deformed, so that the clamping protrusions 1032 are clamped in the clamping holes 20221, the first abutting portion 10111 abuts against the outer side of the first enclosing plate 202, and the second abutting portion 10311 abuts against the inner side of the first enclosing plate 202, so that the clamping between the trim cover plate 2 and the bottom plate 1 is completed.

Therefore, in the airbag module 100 according to the embodiment of the utility model, the buckle 103 is configured to be a structure that the elastic arm 1031 is connected with the clamping protrusion 1032, and the clamping between the trim cover 2 and the base plate 1 can be quickly realized by using the elastic deformation of the elastic arm 1031, so that the clamping between the trim cover 2 and the base plate 1 is quick and convenient.

Alternatively, as shown in fig. 1 and 4, the catching projection 1032 extends in the thickness direction of the first coaming 202, and the catching projection 1032 further has a guide slope thereon. When the first board 202 is placed between the elastic arm 1031 and the rigid arm 1011, the first board 202 presses the elastic arm 1031 in the thickness direction of the first board 202 under the guide of the guide slope, so that the elastic arm 1031 is elastically deformed in the direction away from the first board 202 in the thickness direction of the first board 202. When the engaging protrusion 1032 is disposed in the engaging hole 20221, the guiding inclined surface is separated from the first enclosing plate 202, the elastic arm 1031 recovers the elastic deformation, and the second abutting portion 10311 on the elastic arm 1031 abuts against the inner side of the first enclosing plate 202.

Therefore, the air bag module 100 according to the embodiment of the utility model is beneficial to the quick clamping of the clamping protrusion 1032 in the clamping hole 20221 of the first coaming 202 by providing the guiding inclined plane on the clamping protrusion 1032, and is beneficial to improving the assembly efficiency of the air bag module 100 according to the embodiment of the utility model.

In some embodiments, the resilient arms 1031 and the rigid arms 1011 are each provided on a side of the base plate body 101 remote from the cover body 201. The base plate 1 further comprises a second enclosing plate 102, the second enclosing plate 102 is arranged on one side of the base plate body 101 close to the cover body 201, and the second enclosing plate 102 is sleeved on the first enclosing plate 202.

For example, as shown in fig. 1 to 5, the elastic arms 1031 and the rigid arms 1011 are provided on the same side of the floor body 101, and the elastic arms 1031 and the rigid arms 1011 are provided on different sides in the thickness direction of the floor body 101 from the second coaming 102. During installation, the second shroud 102 is sleeved over the first shroud 202 such that an installation cavity is formed between the first shroud 202, the second shroud 102, the cover body 201 and the base plate body 101 for installing the airbag. In addition, the elastic arms 1031 and the rigid arms 1011 are provided on the same side of the base plate body 101, which is advantageous in improving the clamping strength of the elastic arms 1031 and the rigid arms 1011 against the engaging protrusions 1032.

In some embodiments, the base plate body 101 has a limiting hole 1012 through which the boss 2022 passes, and the boss 2022 is matched with the wall of the limiting hole 1012.

For example, as shown in fig. 2, 4 and 5, the limiting hole 1012 extends in the thickness direction of the base plate body 101, and the elastic arm 1031 and the rigid arm 1011 are disposed on opposite sides of the limiting hole 1012. Specifically, when the airbag module is installed, the protruding portion 2022 passes through the limiting hole 1012, two sides of the protruding portion 2022 in the thickness direction of the protruding portion 2022 are abutted against the wall of the limiting hole 1012, two sides of the protruding portion 2022 in the width direction of the protruding portion are abutted against the wall of the limiting hole 1012, and the protruding portion 2022 is limited through the limiting hole 1012, so that the structural strength of the clamping protruding portion 2022 after clamping is improved, and the operational reliability of the airbag module 100 according to the embodiment of the utility model is improved.

In some embodiments, the engaging protrusion 1032 has a third abutment 10321, and the third abutment 10321 abuts against the protrusion 2022 in a direction toward the floor body 101. The trim cover 2 has a fourth abutting portion 2031, and the fourth abutting portion 2031 abuts on the second panel 102 in a direction toward the floor body 101.

For example, as shown in fig. 1, 3 and 4, the engaging protrusion 1032 has a first end surface and a second end surface which are disposed opposite to each other in the thickness direction of the floor body 101, the first end surface being disposed away from the floor body 101 in the thickness direction of the floor body 101 with respect to the second end surface, the first end surface being formed with a third stopper 10321, and the second end surface being a guide slope. The third abutting portion 10321 abuts against the hole wall of the engagement hole 20221 on the boss 2022 in a direction toward the bottom plate body 101. The third and

fourth stopper portions

10321 and 2031 limit the trim cover 2 in the thickness direction of the floor body 101, preventing the trim cover 2 from rocking in the thickness direction of the floor body 101.

In some embodiments, the trim cover 2 further includes a plurality of reinforcing ribs 203, the plurality of reinforcing ribs 203 are disposed at intervals along the circumference of the cover body 201, the reinforcing ribs 203 are connected to both the cover body 201 and the first coaming 202, and the fourth abutting portion 2031 is provided on the reinforcing ribs 203.

For example, as shown in fig. 1 and 2, the reinforcing rib 203 includes a first portion and a second portion connected, the first portion and the second portion being provided in an L-shape, the first portion extending in the thickness direction of the first panel 202 and being connected to the cover body 201, and the second portion extending in the extending direction of the first panel 202 and being connected to the panel body 2021. The fourth abutting portion 2031 is provided on the second portion, and the fourth abutting portion 2031 abuts on an end surface of the second portion.

Therefore, the airbag module 100 according to the embodiment of the utility model not only can improve the structural strength of the trim cover 2, but also can conveniently limit the trim cover 2 by arranging the reinforcing rib 203 and arranging the fourth abutting portion 2031 on the reinforcing rib 203, so that the airbag module according to the embodiment of the utility model has the advantages of high structural strength, high reliability and the like.

The vehicle of the embodiment of the utility model, including the airbag module 100 described in any of the above embodiments, has advantages of high fitting accuracy and the like.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. An airbag assembly, comprising

The bottom plate is provided with a buckle and a limiting hole, and the limiting hole extends along the thickness direction of the bottom plate; and

the decorative cover plate is provided with a protruding portion, the protruding portion is provided with a clamping hole, the protruding portion is inserted into the limiting hole and matched with the hole wall of the limiting hole, and the clamping buckle is matched with the clamping hole in a clamping mode so as to limit the decorative cover plate in the thickness direction of the bottom plate.

2. The airbag assembly of claim 1, wherein the restraint aperture is a perforation and the clasp is disposed on a side of the base plate remote from the trim cover.

3. The airbag assembly of claim 2, wherein the trim panel includes a cover body and a first shroud disposed on a side of the cover body proximate the floor, the first shroud, the cover body, and the floor defining a mounting cavity therebetween, the boss being disposed on the first shroud;

4. An airbag module as in claim 3, wherein the floor body is provided with a second abutment portion that abuts against the boss portion in a thickness direction of the first panel, and the boss portion is sandwiched between the first abutment portion and the second abutment portion in the thickness direction of the first panel.

5. The airbag assembly of claim 4, wherein the clasp comprises an elastic arm and a clasp projection, the second stop is provided on the elastic arm, the base plate body is provided with a rigid arm, and the first stop is provided on the rigid arm.

6. The airbag assembly of claim 5, wherein the boss is provided on a side of the first shroud remote from the cover body, the boss being sandwiched between the resilient arm and the rigid arm.

7. The airbag assembly of claim 6, wherein the resilient arm and the rigid arm are each disposed on a side of the floor body remote from the cover body;

8. The airbag assembly of claim 7, wherein the snap-in projection has a third stop thereon that stops against the projection in a direction toward the floor body;

9. The airbag assembly of claim 8, wherein the trim panel further comprises a plurality of reinforcing ribs disposed circumferentially spaced apart along the cover body, the reinforcing ribs being connected to both the cover body and the first shroud, the fourth stop being disposed on the reinforcing ribs.

10. A vehicle comprising an airbag assembly according to any one of claims 1 to 9.