WO2021128968A1

WO2021128968A1 - Airbag cover

Info

Publication number: WO2021128968A1
Application number: PCT/CN2020/115385
Authority: WO
Inventors: 桑瑞刚; 梁铭飞
Original assignee: 奥托立夫开发公司
Priority date: 2019-12-26
Filing date: 2020-09-15
Publication date: 2021-07-01
Also published as: CN211765397U

Abstract

An airbag cover (10, 10'), placed on a housing of an airbag to at least partially cover an air bag of the airbag. The airbag cover (10, 10') comprises a light-emitting logo (100, 100'), and the light-emitting logo (100, 100') can emit light when energized via a wiring harness (200, 200'). The airbag cover (10, 10') further comprises a positioning portion for positioning the wire harness (200, 200'), and the positioning portion is located on at least one side of the wire harness (200, 200') to determine an extension path of the wire harness (200, 200') on the airbag cover (10, 10'). The positioning of the wire harness (200, 200') on the airbag cover (10, 10') is achieved.

Description

Airbag cover

Technical field

The present invention relates to a safety device in a vehicle, and in particular, to an airbag cover in an airbag.

Background technique

It is known that the steering wheel of a vehicle uses luminous signs for identifying its products. These light-emitting signs may include simple geometric figures, letters, dashes and other sign features or combinations thereof. The electroluminescent elements made of electroluminescent materials in the light-emitting signs can emit light when energized to illuminate the aforementioned sign features. However, in the prior art, the wiring harness used to supply power to the electroluminescent element has low installation efficiency and variable installation positions during installation.

Summary of the invention

The object of the present invention is to provide an airbag cover with high installation efficiency and a fixed installation position.

The present invention provides an airbag cover, which is used to be arranged on a housing of an airbag to at least partially cover the airbag of the airbag,

The airbag cover includes a light-emitting sign that can emit light when it is energized via a wire harness,

The airbag cover further includes a positioning portion for positioning the wire harness, wherein the positioning portion is located on at least one side of the wire harness to determine an extension path of the wire harness on the airbag cover.

According to an embodiment of the present invention, the positioning portion is provided as a protrusion protruding from the inner surface of the airbag cover.

According to an embodiment of the present invention, the protruding portion is provided as a plurality of the protruding portions distributed at intervals at at least one side of the wire harness.

According to an embodiment of the present invention, a missing part for partially accommodating the protruding part is provided at the side of the wire harness, and the missing part matches the shape of the protruding part.

According to an embodiment of the present invention, the protrusion is configured as a columnar protrusion.

According to an embodiment of the present invention, the lateral dimension of the protrusion is set to decrease in a direction away from the airbag cover.

According to an embodiment of the present invention, the protrusion is provided as two ribs respectively located at both sides of the wire harness.

According to an embodiment of the present invention, the wire harness is connected to the airbag cover in a permanently fixed manner.

According to an embodiment of the present invention, the airbag cover further includes a protective layer provided at the surface of the wire harness.

According to an embodiment of the present invention, the protective layer is configured as a foam permanently connected to the airbag cover.

Description of the drawings

Fig. 1 shows a schematic diagram of an airbag cover according to a first embodiment of the present invention.

Fig. 2 shows a schematic diagram of an airbag cover according to a second embodiment of the present invention.

Detailed ways

Hereinafter, specific embodiments of the airbag cover according to the present invention will be described with reference to the accompanying drawings. The following detailed description and drawings are used to exemplarily illustrate the principle of the present invention. The present invention is not limited to the described preferred embodiments, and the protection scope of the present invention is defined by the claims.

In addition, spatially related terms (such as "upper", "lower", "left" and "right", etc.) are used to describe the relative positional relationship between an element shown in the drawings and another element. Therefore, spatially related terms can be applied to directions different from those shown in the drawings when used. Obviously, although all these space-related terms refer to the directions shown in the drawings for ease of description, those skilled in the art can understand that directions different from the directions shown in the drawings can be used.

Fig. 1 shows a schematic diagram of an airbag cover according to a first embodiment of the present invention. The airbag cover according to the first embodiment of the present invention will be described below with reference to FIG. 1.

As shown in FIG. 1, the airbag cover 10 of the first embodiment of the present invention is used to be arranged on a housing (not shown) of an airbag to at least partially cover the airbag (not shown) of the airbag. The airbag cover 10 includes a light-emitting sign 100, a wire harness 200, and positioning portions in the form of ribs 300, and two positioning portions in the form of ribs 300 are provided as protrusions protruding from the inner surface of the airbag cover 10. In the first embodiment shown in FIG. 1, the light-emitting sign 100 is arranged on the inner surface of the airbag cover 10, and the light-emitting sign 100 can emit light when energized via the wire harness 200. The positioning part is used to position the wire harness 200. In the first embodiment of the present invention, the two ribs 300 are located on both sides of the wire harness 200 and protrude from the inner surface of the airbag cover 10, thereby forming a receiving groove for accommodating the wire harness 200 Therefore, the wire harness 200 is positioned in the receiving groove defined by the two ribs 200, thereby realizing the positioning of the wire harness 200 in the airbag cover 10.

In the first embodiment of the present invention shown in FIG. 1, the positioning parts are located on both sides of the wire harness 200 to determine the extension path of the wire harness 200 on the airbag cover 10. However, this is only an example, and the positioning part of the present invention is not limited to this. For example, the positioning part in the form of a rib may also be provided on one side of the wire harness to determine the extension path of the wire harness on the airbag cover. In this case, One side of the wire harness abuts against the positioning portion on one side of the wire harness to determine the extension path of the wire harness on the airbag cover, so as to realize the positioning of the wire harness on the airbag cover.

Fig. 2 shows a schematic diagram of an airbag cover according to a second embodiment of the present invention. Hereinafter, an airbag cover according to a second embodiment of the present invention will be described with reference to FIG. 2.

As shown in FIG. 2, the airbag cover 10' of the second embodiment of the present invention is used to be arranged on the housing (not shown) of the airbag to at least partially cover the airbag (not shown) of the airbag. The airbag cover 10' includes a light-emitting sign 100', a wire harness 200', and a positioning portion. The positioning portion is provided as columnar protrusions protruding from the inner surface of the airbag cover 10 and spaced apart on both sides of the wire harness 200' 300'. In the second embodiment shown in FIG. 2, the light-emitting mark 100 ′ is arranged on the inner surface of the airbag cover 10 ′, and the light-emitting mark 100 ′ can emit light when it is energized via the wire harness 200 ′. The positioning portion is used to position the wire harness 200'. In the second embodiment of the present invention, the columnar protrusions 300' are located on both sides of the wire harness 200' and protrude from the inner surface of the airbag cover 10', thereby forming a The extension path of the wire harness 200', and therefore the harness 200' is positioned on the extension path defined by the columnar protrusion 300', thereby realizing the positioning of the wire harness 200' on the airbag cover 10'.

In the second embodiment of the present invention shown in FIG. 2, the positioning parts are located on both sides of the wire harness 200' to determine the extension path of the wire harness 200' on the airbag cover 10'. However, this is only an example, and the positioning part of the present invention is not limited to this. For example, a positioning part in the form of a protrusion of a spacer part may also be arranged on one side of the wire harness to determine the extension path of the wire harness on the airbag cover. In this case, one side of the wire harness abuts against the positioning portion on one side thereof to determine the extension path of the wire harness on the airbag cover, so as to realize the positioning of the wire harness on the airbag cover.

Continuing to refer to FIG. 2, in the second embodiment of the present invention, positioning portions in the form of spaced columnar protrusions 300' are provided to protrude from the inner surface of the airbag cover 10', and accordingly, the side of the wire harness 200' A missing part for partially accommodating the columnar protrusion 300' is provided at the edge, and the missing part matches the shape of the columnar protrusion 300' to facilitate the positioning of the wire harness 200' on the airbag cover 10'. In addition, the lateral dimension of the columnar protrusion 300' is set to decrease in the direction away from the airbag cover 10' to facilitate processing. It can be understood that the wire harness of the present invention is not limited to this. For example, according to the actual situation, the wire harness may not be provided with a missing portion, and the columnar protrusion is not limited to the lateral size decreasing in the direction away from the airbag cover, for example, its lateral size It can be kept constant; moreover, the positioning part of the present invention is not limited to the columnar protrusion, but can be designed as a protrusion of various shapes according to the actual situation, and the positioning part of the present invention is not limited to the protrusion, for example, Can be drawn markers.

Therefore, in the airbag cover of the present invention, the airbag cover is provided with a positioning portion for positioning the wire harness, and the positioning portion is located on at least one side of the wire harness to determine the extension path of the wire harness on the airbag cover. Therefore, the installation efficiency of the airbag cover can be improved, and the installation positions of the components can be fixed to ensure the consistency of the assembly of the airbag covers.

Preferably, the wire harness is connected to the airbag cover in a permanent fixing manner, for example, by bonding.

Preferably, the airbag cover further includes a protective layer provided on the surface of the wire harness, and the protective layer is configured as a foam permanently connected to the airbag cover, and the permanent fixing method is, for example, bonding. , The foam can increase the bonding area between the wire harness and the airbag cover and thereby strengthen the connection between the wire harness and the airbag cover. In addition, the foam can also protect the airbag to prevent the airbag from being ignited. The air bag is scratched by the wiring harness.

As mentioned above, although the exemplary embodiments of the present invention have been described with reference to the drawings in the description, the present invention is not limited to the above-mentioned specific embodiments, and the protection scope of the present invention should be defined by the claims and their equivalent meanings.

Claims

An airbag cover (10, 10'), which is used to be arranged on the housing of an airbag to at least partially cover the airbag of the airbag,

The airbag cover (10, 10') includes a light-emitting mark (100, 100'), and the light-emitting mark (100, 100') can emit light when it is energized via a wire harness (200, 200'),

It is characterized by

The airbag cover (10, 10') also includes a positioning portion for positioning the wire harness (200, 200'), wherein the positioning portion is located at least one of the wire harness (200, 200') The side determines the extension path of the wire harness (200, 200') on the airbag cover (10, 10').
The airbag cover (10, 10') according to claim 1, wherein the positioning portion is provided as a protrusion protruding from the inner surface of the airbag cover (10, 10').
The airbag cover (10, 10') according to claim 2, wherein the protrusions are provided as a plurality of the protrusions spaced at least on at least one side of the wire harness (200, 200') Nobubuki.
The airbag cover (10, 10') according to claim 3, wherein the side of the wire harness (200, 200') is provided with a missing portion for partially accommodating the protruding portion, and so The missing part matches the shape of the protruding part.
The airbag cover (10, 10') according to claim 4, wherein the protrusion is configured as a columnar protrusion (300').
The airbag cover (10, 10') according to claim 5, wherein the lateral dimension of the protrusion is set to decrease in a direction away from the airbag cover (10, 10').
The airbag cover (10, 10') according to claim 2, wherein the protruding portion is provided as two ribs (300) respectively located at both sides of the wire harness (200, 200') .
The airbag cover (10, 10') according to claim 3 or 7, wherein the wire harness (200, 200') is permanently connected to the airbag cover (10, 10').
The airbag cover (10, 10') according to claim 3 or 7, wherein the airbag cover (10, 10') further comprises a protection provided at the surface of the wire harness (200, 200') Floor.
The airbag cover (10, 10') according to claim 9, wherein the protective layer is configured as a foam permanently connected to the airbag cover.