WO2023174348A1 - Airbag fixing device, instrument panel assembly, and vehicle - Google Patents

Abstract

An airbag fixing device, an instrument panel assembly, and a vehicle. The airbag fixing device comprises an airbag frame (3); the airbag frame (3) comprises a first mounting portion connected to an upper instrument panel cover plate (1), and a second mounting portion connected to an instrument panel body framework (2); and the upper instrument panel cover plate (1) is connected to the instrument panel body framework (2). The instrument panel assembly comprises the upper instrument panel cover plate (1) and the instrument panel body framework (2), wherein the upper instrument panel cover plate (1), the instrument panel body framework (2), and the airbag frame (3) are connected in pairs respectively. The vehicle comprises the airbag fixing device and/or the instrument panel assembly. By means of the device, when a safety airbag (4) is deployed, the upper instrument panel cover plate (1) is not prone to shaking, such that the posture stability of the deployed safety airbag (4) is ensured, thereby ensuring protection to passengers.

Description

Air bag mounts, instrument panel assemblies and vehicles

Cross-references to related applications

This application is filed based on a Chinese patent application with application number 2022206081229 and a filing date of March 18, 2022, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated by reference into this application.

Technical field

The present disclosure relates to the technical field of automobile parts, and specifically relates to an airbag fixing device, an instrument panel assembly and a vehicle.

Background technique

In the related technology, the airbag frame is mainly installed on the dashboard cover. When the airbag is exploded, the dashboard cover is easily shaken due to the reaction force generated by the airbag blast, and the airbag deployment posture is unstable. The defect of poor protection function of air bag.

Contents of the invention

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

To this end, embodiments of the present disclosure propose an airbag fixing device, which has the advantages of good airbag frame fastening effect, stable airbag explosion posture, and good airbag protection function.

The airbag fixing device in the embodiment of the present disclosure includes an airbag frame. The airbag frame includes a first mounting part connected to the dashboard upper cover and a second mounting part connected to the dashboard body frame. The dashboard upper cover is connected to the instrument panel body frame. The instrument panel body skeleton is connected.

According to the airbag fixing device according to the embodiment of the present disclosure, the airbag frame, the instrument panel body frame and the instrument upper cover are connected to each other in pairs. The three generally form a three-dimensional triangular support structure, and then the airbag frame and the instrument upper cover are relative to the instrument panel. The connection strength of the body skeleton is high. Therefore, when the airbag on the airbag frame is deployed, the dashboard cover is less likely to shake, which ensures a stable posture of the deployed airbag, thereby ensuring the protective function of the deployed airbag for the occupants.

In some embodiments, the instrument panel body frame includes a body part and a connecting part, the second mounting part overlaps the connecting part, and the second mounting part is connected to the connecting part through a locking piece.

In some embodiments, there are at least two connecting parts, at least two connecting parts are spaced apart along the width direction of the instrument panel body frame, and at least two connecting parts are connected to the second mounting part. connected.

In some embodiments, the connecting part includes a first connecting plate, the second mounting part includes a second connecting plate, the second connecting plate overlaps the first connecting plate and is connected with the third connecting plate. The two connecting plates are in close contact with each other, and the locking member connects the first connecting plate and the second connecting plate.

An embodiment of the present disclosure also provides an instrument panel assembly.

The instrument panel assembly according to the embodiment of the present disclosure includes an instrument upper cover and an instrument panel body frame; the instrument upper cover is connected to the instrument panel body frame; the instrument upper cover is connected to the airbag frame; The instrument panel body frame is connected to the airbag frame.

According to the instrument panel assembly according to the embodiment of the present disclosure, the airbag frame, the instrument panel body frame and the instrument upper cover are used in two The three are connected to each other and form a three-dimensional triangular support structure, so that the airbag frame and the dashboard cover have a high connection strength with the dashboard body frame. Therefore, when the airbag on the airbag frame is deployed, the dashboard cover is less likely to shake, which ensures a stable posture of the deployed airbag, thereby ensuring the protective function of the deployed airbag for the occupants.

In some embodiments, the instrument panel body frame includes a body part and a connecting part, the second mounting part overlaps the connecting part, and the second mounting part is connected to the connecting part through a locking piece.

In some embodiments, the distance between the connecting portion and the top surface of the upper dashboard cover is 40mm-100mm.

In some embodiments, there are at least two connecting parts, at least two connecting parts are spaced apart along the width direction of the instrument panel body frame, and at least two connecting parts are connected to the airbag frame.

In some embodiments, the connecting part includes a first connecting plate, the second mounting part includes a second connecting plate, the second connecting plate overlaps the first connecting plate and is connected with the third connecting plate. The two connecting plates are in close contact with each other, and the locking member connects the first connecting plate and the second connecting plate.

In some embodiments, the connection part further includes a bottom plate, the bottom plate connects the first connection plate and the body part, and the first connection plate is inclined relative to the bottom plate in a direction away from the body part.

In some embodiments, the connecting part further includes a side plate, a first reinforcing rib and a second reinforcing rib. The side plate connects the bottom plate and the body part, and the first reinforcing rib is located on the side plate. above and connecting the side plate and the first connecting plate, and the second reinforcing rib is located on the side of the side plate and connecting the side plate and the first connecting plate.

In some embodiments, the number of the side panels, the first reinforcing ribs and the second reinforcing ribs are multiple and correspond one to one, and the plurality of side panels are along the width of the instrument panel body frame. Directional interval distribution.

In some embodiments, the number of the side panels is two, and the two side panels are respectively connected to the two ends of the first connecting panel in the width direction of the instrument panel body frame, and the connecting portion is also It includes a third reinforcing rib and a top plate, the third reinforcing rib connects the two side plates, and the top plate connects the body part and the two side plates.

An embodiment of the present disclosure also provides a vehicle.

A vehicle according to an embodiment of the present disclosure includes an airbag fixing device as described in any of the above embodiments, and/or an instrument panel assembly as described in any of the above embodiments.

The technical advantages of the vehicle according to the embodiments of the present disclosure are the same as the technical advantages of the airbag fixing device and/or the instrument panel assembly of the above embodiments, and will not be described again here.

Description of the drawings

1 is a side cross-sectional view of an airbag fixation device according to an embodiment of the present disclosure.

Figure 2 is a bottom view of an airbag fixation device according to an embodiment of the present disclosure.

3 is a isometric view of a connecting portion of an airbag fixation device according to an embodiment of the present disclosure.

4 is a front view of a connecting portion of an airbag fixing device according to an embodiment of the present disclosure.

5 is a top view of a connecting portion of an airbag fixing device according to an embodiment of the present disclosure.

6 is a side cross-sectional view of a connecting portion of an airbag fixing device according to an embodiment of the present disclosure.

Reference signs:
1. The upper cover of the instrument panel; 2. The skeleton of the instrument panel body; 21. The body part; 22. The connecting part; 221. The first connecting plate;
2211. Connection hole; 222. Bottom plate; 223. Side plate; 224. First reinforcing rib; 225. Second reinforcing rib; 226. Third reinforcing rib; 227. Top plate; 3. Airbag frame; 31. Second connecting plate ; 4. Airbag; 5. Locking parts; 6. Display screen.

Detailed ways

The embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present disclosure and are not to be construed as limitations of the present disclosure.

An airbag fixing device according to an embodiment of the present disclosure will be described below with reference to FIGS. 1-6 .

As shown in FIGS. 1 and 2 , an airbag fixing device according to an embodiment of the present disclosure includes an airbag frame 3 . The airbag frame 3 includes a first mounting part connected to the dashboard cover 1 and a second mounting part connected to the dashboard body frame 2. The dashboard cover 1 is connected to the dashboard body frame 2.

Among them, the first mounting part of the airbag frame 3 is welded to the upper dashboard cover 1 through friction welding, and is located on the rear side of the dashboard body frame 2. The dashboard body frame 2 is connected to the dashboard cover 1 and the display screen through bolts. 6 is connected, at this time, the connection point in the upper dashboard cover 1 that is connected to the instrument panel body frame 2 is located behind the connection point in the airbag frame 3 that is connected to the instrument panel body frame 2. The second mounting portion is located adjacent to the lower end of the airbag frame 3. The second mounting portion is connected to the dashboard body frame 2 and is located below the dashboard cover 1.

According to the airbag fixing device according to the embodiment of the present disclosure, the airbag frame 3, the instrument panel body frame 2 and the instrument upper cover 1 are connected to each other in pairs. The three generally form a three-dimensional triangular support structure, and then the airbag frame 3 and the instrument upper cover 1 The connection strength of the panel 1 to the instrument panel body frame 2 is high. Therefore, when the airbag 4 on the airbag frame 3 is deployed, the dashboard cover 1 is less likely to shake, which ensures a stable posture of the deployed airbag, thereby ensuring the protection function of the deployed airbag for the occupants.

It should be noted that the airbag frame 3 and the dashboard body frame 2 can be detachably connected through locking parts. After the airbag frame 3 is welded to the dashboard cover 1, the positioning of the airbag frame 3 and the dashboard body frame 2 and easy connection. Furthermore, in this embodiment, the width direction of the instrument panel body frame 2 is the left-right direction and the width direction of the vehicle.

In some embodiments, as shown in FIG. 1 , the dashboard body frame 2 includes a body part 21 and a connecting part 22 . The second mounting part of the airbag frame 3 overlaps the connecting part 22 , and the second mounting part passes through the locking part 5 Connected to the connecting part 22.

That is, the connecting portion 22 of the dashboard body frame 2 supports the airbag frame 3 upward. When the airbag 4 explodes, the connecting portion 22 supports the airbag frame 3 and the upper dashboard cover 1 after receiving the impact force, thereby further ensuring that the airbag The connection strength between the frame 3 and the upper dashboard cover 1 relative to the dashboard body frame 2 further ensures the stability of the explosion posture of the airbag 4.

In some embodiments, as shown in FIG. 2 , there are at least two connecting portions 22 . The at least two connecting portions 22 are spaced apart along the width direction of the instrument panel body frame 2 . Both of the at least two connecting portions 22 are connected to the second mounting portion. connected.

As a result, the connection strength between the airbag frame 3 and the dashboard body frame 2 is higher, and the connections between the airbag frame 3 and the dashboard body frame 2 are numerous and spaced apart, effectively avoiding stress concentration at the connections.

Specifically, as shown in FIG. 2 , the number of connecting parts 22 is two, and the airbag frame 3 is connected to the instrument panel body frame 2 through two locking pieces 5 .

In some embodiments, one of the connecting portion 22 and the airbag frame 3 is provided with a connecting hole 2211, the other of the connecting portion 22 and the airbag frame 3 is provided with a threaded hole, and the locking member 5 is a threaded member. Pass through the connecting hole 2211 and thread with the threaded hole.

Specifically, the threaded member is a bolt, and the bolt passes through the connecting hole 2211 and is threadedly matched with the threaded hole, thereby realizing the connection between the connecting part 22 and the airbag frame 3. The connection between the connecting part 22 and the airbag frame 3 is convenient and has high connection strength.

In some embodiments, as shown in FIGS. 1 and 3 , the connecting portion 22 includes a first connecting plate 221 , the second mounting portion of the airbag frame 3 includes a second connecting plate 31 , and the second connecting plate 31 overlaps the first connecting plate 221 . On the connecting plate 221 , and in close contact with the second connecting plate 31 , the connecting hole 2211 is provided on the first connecting plate 221 , and the threaded hole is provided on the second connecting plate 31 .

Therefore, the first connecting plate 221 has a better supporting and positioning effect on the airbag frame 3 and facilitates the threaded connection between the first connecting plate 221 and the second connecting plate 31 .

The instrument panel assembly according to the embodiment of the present disclosure includes an instrument upper cover 1 and an instrument panel body frame 2. The instrument upper cover 1 is connected to the instrument panel body frame 2. The instrument upper cover 1 is connected to the airbag frame 3. The instrument panel body frame 2 is connected to the airbag frame 3 .

According to the airbag fixing device according to the embodiment of the present disclosure, the airbag frame 3, the instrument panel body frame 2 and the instrument upper cover 1 are connected to each other in pairs. The three generally form a three-dimensional triangular support structure, and then the airbag frame 3 and the instrument upper cover 1 The connection strength of the panel 1 to the instrument panel body frame 2 is high. Therefore, when the airbag 4 on the airbag frame 3 is deployed, the dashboard cover 1 is less likely to shake, which ensures a stable posture of the deployed airbag, thereby ensuring the protection function of the deployed airbag for the occupants.

In some embodiments, as shown in FIG. 1 , the dashboard body frame 2 includes a body part 21 and a connecting part 22 . The second mounting part of the airbag frame 3 overlaps the connecting part 22 , and the second mounting part passes through the locking part 5 Connected to the connecting part 22. The distance between the connecting portion 22 and the top surface of the dashboard cover 1 is 40mm-100mm.

Within this distance range, the three-dimensional triangular structure formed by the dashboard cover 1, the dashboard body frame 2 and the airbag frame 3 has higher rigidity and strength, further ensuring that the dashboard cover 1 will not shake due to the explosion of the airbag. .

Specifically, the distance between the connecting portion 22 and the top surface of the dashboard cover 1 may be 40 mm, 50 mm, and 100 mm. Among them, the smaller the distance between the connecting portion 22 and the top surface of the dashboard cover 1, the more compact the three-dimensional triangular structure formed by the dashboard cover 1, the dashboard body frame 2 and the airbag frame 3, and takes up less space. Effectively avoid interference with structures near the vehicle such as air ducts. The greater the distance between the connecting portion 22 and the top surface of the upper dashboard cover 1, the greater the distance between the connection point between the airbag frame 3 and the connecting portion 22 and the highest point of the airbag frame 3. Therefore, the airbag frame 3 The structural strength and support strength are higher, and when the airbag 4 explodes, the dashboard cover 1 is less likely to shake.

In some embodiments, as shown in FIG. 3 , the connecting portion 22 further includes a bottom plate 222 that connects the first connecting plate 221 and the body portion 21 . The first connecting plate 221 is inclined relative to the bottom plate 222 in a direction away from the body portion 21 .

That is, the first connecting plate 221 and the bottom plate 222 are generally in the shape of an aquiline, and the second connecting plate 31 overlaps behind the first connecting plate 221, so that the airbag frame 3 is less likely to separate from the instrument panel body frame 2, thereby further ensuring the instrument panel body frame. 2. Position and support the airbag frame 3.

In some embodiments, as shown in FIGS. 3-6 , the connecting portion 22 further includes a side plate 223 , a first reinforcing rib 224 and a second reinforcing rib 225 . The side plate 223 connects the bottom plate 222 and the body part 21, and the first reinforcing rib 224 is located above the side plate 223. And connect the side plate 223 and the first connecting plate 221. The second reinforcing rib 225 is located on the side of the side plate 223 and connects the side plate 223 and the first connecting plate 221.

The side plates 223 ensure the bending resistance of the connection between the bottom plate 222 and the body part 21 , and the first reinforcing ribs 224 and the second reinforcing ribs 225 ensure the bending resistance of the first connecting plate 221 . Therefore, the first connecting plate 221 is less likely to be deformed when impacted by the second connecting plate 31 , and the airbag frame 3 and the upper dashboard cover 1 are less likely to shake when the airbag is deployed.

In some embodiments, the number of side plates 223 , first reinforcing ribs 224 and second reinforcing ribs 225 are multiple and correspond one to one. The plurality of side plates 223 are spaced apart along the width direction of the instrument panel body frame 2 .

Therefore, the plurality of side plates 223 , the first reinforcing ribs 224 and the second reinforcing ribs 225 further improve the bending resistance of the first connecting plate 221 and further ensure the effective support of the first connecting plate 221 to the second connecting plate 31 .

In some embodiments, as shown in FIGS. 3-5 , the number of side plates 223 is two, and the two side plates 223 are respectively connected to the first connecting plate 221 at both ends of the instrument panel body frame 2 in the width direction. The connecting part 22 also includes a third reinforcing rib 226 and a top plate 227. The third reinforcing rib 226 connects the two side plates 223, and the top plate 227 connects the body part 21 and the two side plates 223.

The third reinforcing rib 226 ensures the relative fixation of the two side plates 223 , and the top plate 227 ensures the bending strength of the side plates 223 , thereby effectively avoiding stress concentration in the box-shaped first connecting part 22 and further ensuring the stability of the first connecting part 22 . Structural strength.

A vehicle according to an embodiment of the present disclosure includes an airbag fixing device according to any of the above embodiments, and/or an instrument panel assembly according to any of the above embodiments.

The technical advantages of the vehicle according to the embodiments of the present disclosure are the same as the technical advantages of the airbag fixing device and/or the instrument panel assembly of the above embodiments, and will not be described again here.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis", The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply the referred devices or elements. Must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations on the disclosure.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

In this disclosure, unless otherwise explicitly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be mechanically connected, electrically connected or communicable with each other; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction between two elements, Unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure can be understood according to specific circumstances.

In this disclosure, unless otherwise expressly stated and limited, a first feature being "on" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features may be in indirect contact through an intermediary. touch. Moreover, the first characteristic “Above”, “above” and “above” the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "below" and "beneath" the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific examples," or "some examples" or the like mean that a particular feature, structure, material, or other feature is described in connection with the embodiment or example. Features are included in at least one embodiment or example of the disclosure. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification unless they are inconsistent with each other.

Although the above embodiments have been shown and described, it can be understood that the above embodiments are illustrative and should not be construed as limitations of the present disclosure. Changes, modifications, substitutions and modifications of the above embodiments may be made by those of ordinary skill in the art. All are within the protection scope of this disclosure.

All embodiments of the present disclosure can be executed alone or in combination with other embodiments, which are considered to be within the scope of protection claimed by the present disclosure.

Claims (14)

An airbag fixation device includes: An airbag frame, which includes a first mounting part connected to the dashboard upper cover and a second mounting part connected to the dashboard body frame; The instrument upper cover is connected to the instrument panel body frame. The airbag fixing device according to claim 1, wherein the instrument panel body frame includes a body part and a connecting part, the second mounting part overlaps the connecting part, and the second mounting part is connected to the connecting part through a locking piece. The connecting parts are connected. The airbag fixing device according to claim 2, wherein there are at least two connecting parts, at least two connecting parts are spaced apart along the width direction of the instrument panel body frame, and at least two connecting parts are connected to The second mounting parts are connected. The airbag fixing device according to claim 2 or 3, characterized in that the connecting part includes a first connecting plate, the second mounting part includes a second connecting plate, and the second connecting plate overlaps the On the first connecting plate, and in close contact with the second connecting plate, the locking piece connects the first connecting plate and the second connecting plate. An instrument panel assembly, including: an instrument upper cover and an instrument panel body frame; wherein The dashboard upper cover is connected to the dashboard body frame; The upper dashboard cover is connected to the airbag frame; The instrument panel body frame is connected to the airbag frame. The instrument panel assembly according to claim 5, wherein the instrument panel body frame includes a body part and a connecting part, the airbag frame overlaps the connecting part, and the airbag frame is connected to the connecting part through a locking piece. connected. The instrument panel assembly according to claim 6, wherein the distance between the connecting portion and the top surface of the instrument upper cover is 40mm-100mm. The instrument panel assembly according to claim 6 or 7, wherein there are at least two connecting parts, and at least two connecting parts are spaced apart along the width direction of the instrument panel body frame, and at least two connecting parts are connected to the airbag frame. The instrument panel assembly according to any one of claims 6 to 7, wherein the connection part includes a first connection plate, the airbag frame includes a second connection plate, the second connection plate overlaps the On the first connecting plate, and in close contact with the second connecting plate, the locking piece connects the first connecting plate and the second connecting plate. The instrument panel assembly according to claim 9, wherein the connection part further includes a bottom plate, the bottom plate connects the first connection plate and the body part, and the first connection plate faces away from the bottom plate relative to the bottom plate. The direction of the main body is inclined. The instrument panel assembly according to claim 10, wherein the connecting part further includes a side plate, a first reinforcing rib and a second reinforcing rib, the side plate connects the bottom panel and the body part, the first The reinforcing rib is located above the side panel and connects the side panel and the first connecting plate. The second reinforcing rib is located on the side of the side panel and connects the side panel and the first connecting plate. . The instrument panel assembly of claim 11, wherein said side panel, said first stiffener and said second The number of reinforcing ribs is multiple and corresponds one to one, and the plurality of side panels are spaced apart along the width direction of the instrument panel body frame. The instrument panel assembly according to claim 12, wherein the number of the side panels is two, and the two side panels are respectively connected with the first connecting plate at both ends of the width direction of the instrument panel body frame. The connection part also includes a third reinforcing rib and a top plate, the third reinforcing rib connects the two side plates, and the top plate connects the body part and the two side plates. A vehicle, including the airbag fixing device according to any one of claims 1-4, and/or the instrument panel assembly according to any one of claims 5-13.