CN217753699U

CN217753699U - Air bag installation component and vehicle

Info

Publication number: CN217753699U
Application number: CN202221361772.4U
Authority: CN
Inventors: 刘国召; 单喜乐; 毛杰; 孟磊
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-08
Anticipated expiration: 2032-05-31

Abstract

The utility model provides an air bag installation component and vehicle, air bag pass through air bag installation component installs on the A post of vehicle, air bag installation component includes: the safety airbag comprises a connecting piece, a cushion pad and an elastic piece, wherein the first end of the connecting piece is connected with the A column, and the second end of the connecting piece is connected with the safety airbag; the buffer pads are respectively arranged at the two end parts of the connecting piece; the elastic part set up in on the connecting piece, be located A post with between the air bag in order to realize A post and air bag's flexible coupling, and will vibrations on the A post are transmitted for air bag.

Description

Air bag installation component and vehicle

Technical Field

The utility model relates to an air bag field, concretely relates to air bag installation component and vehicle.

Background

The common arrangement positions of the main and auxiliary driving airbags are an A column, a steering wheel and an IP, and the airbags at the A column only realize safety attributes under common conditions and are used for protecting the side safety of the main and auxiliary drivers, so that the main and auxiliary driving airbags are single in function and low in utilization rate. Meanwhile, a-column resonance often causes medium-high frequency NVH (Noise, vibration, harshness) problems: such as medium and high frequency road noise booming, etc., which reduces the ride comfort of the vehicle.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, the present invention provides an airbag mounting assembly and vehicle to improve the problem of NVH caused by existing a-pillar resonance.

In order to achieve the above objects and other related objects, the present invention provides an airbag mounting assembly, an airbag passes through the airbag mounting assembly is installed on an a-pillar of a vehicle, the airbag mounting assembly includes: the safety airbag comprises a connecting piece, a cushion pad and an elastic piece, wherein the first end of the connecting piece is connected with the A column, and the second end of the connecting piece is connected with the safety airbag; the buffer pads are respectively arranged at two end parts of the connecting piece; the elastic component set up in on the connecting piece, be located the A post with in order to realize A post and air bag's flexible coupling between the air bag, and will vibrations on the A post are transmitted for air bag.

In an embodiment of the present invention, the elastic member is a bushing, and a rubber ring is disposed on the bushing.

In an embodiment of the present invention, the bushing includes an inner ring and an outer ring, the inner ring is coaxially sleeved on the inner side of the outer ring, and the rubber ring is located between the inner ring and the outer ring.

In an embodiment of the present invention, the elastic member includes a damper and a first spring, the damper is disposed between the first end and the second end of the connecting member, and the first spring is disposed between the first end and the second end of the connecting member and parallel to the damper.

The utility model discloses an in the embodiment, the elastic component still includes second spring and spring control plectrum, the spring control plectrum includes the body, be provided with first plectrum on the body, the body with the first end sliding connection of connecting piece, the one end of second spring with A support connnection, be provided with first slide bar and first locating part on the other end of second spring, first slide bar with the second end sliding connection of connecting piece, first locating part is on a parallel with first plectrum, when the body slides to primary importance, first locating part is located first plectrum orientation one side of A post, when the body slides to the secondary importance, first locating part breaks away from the restriction of first plectrum.

The utility model discloses an in the embodiment, the spring still includes the third spring, be provided with the second plectrum on the body, first plectrum with the second plectrum parallels, the length of first plectrum is than the length of second plectrum is long, the one end of third spring with A post connection, be provided with second slide bar and second locating part on the other end of third spring, the second slide bar with the second end sliding connection of connecting piece, the second locating part is on a parallel with the second plectrum, when the body slides to the primary importance, the second locating part is located the second plectrum orientation one side of A post, when the body slides to the secondary importance, the second locating part breaks away from the restriction of second plectrum.

In an embodiment of the present invention, the airbag is mounted on the airbag support, and the airbag support is connected to the second end of the connecting member.

In an embodiment of the present invention, the column a is provided with a nut, and the first end of the connecting member is connected to the nut.

The utility model also provides a vehicle, install air bag on the A post of vehicle, air bag passes through air bag installation component install in on the A post.

The utility model discloses air bag installation component can realize the elastic connection of air bag and A post, and air bag can have bigger vibrations space on the A post, therefore air bag can the effective absorption resonance energy of A post to solved because the NVH problem that A post resonance arouses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows the installation relationship between the pillar A and the airbag of the present invention;

FIG. 2 is a schematic structural view of an elastic member according to an embodiment of the present invention;

FIG. 3 is a schematic view of another embodiment of the elastic member of the present invention;

fig. 4 is a schematic structural view of an elastic member according to another embodiment of the present invention;

FIG. 5 is a schematic structural view of the middle position of column A in the present invention;

fig. 6 is a diagram of the vibration absorption effect of the present invention.

Description of the element reference numerals

100. Mounting the component; 110. an elastic member; 111. a rubber ring; 112. an inner ring; 113. an outer ring; 114. a damper; 115. a first spring; 116. a second spring; 1161. a first slide bar; 1162. a first limit piece; 117. a third spring; 1171. a second slide bar; 1172. a second limiting member; 118. controlling the shifting piece; 1181. A first plectrum; 1182. a second plectrum; 120. a connecting member; 121. a first end of a connector; 122. a second end of the connector; 130. a cushion pad; 200. an air bag; 201. an air bag stent; 300. a column A; 301. The middle position of the trisection.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not noted in the following examples are generally performed under conventional conditions or conditions recommended by each manufacturer.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.

Referring to fig. 1 to 5, the present invention provides an airbag mounting assembly 100, an airbag 200 is mounted on an a pillar 300 of a vehicle through the airbag mounting assembly 100, the a pillar 300 is a pillar disposed between a front windshield and left and right front doors, and the mounting assembly 100 includes: the airbag module comprises an elastic member 110, a cushion 130 and a connecting member 120, wherein a first end 121 of the connecting member is connected with the a-pillar 300, and a second end 122 of the connecting member is connected with the airbag 200. The number of the buffer pads 130 is two, and the buffer pads 130 are respectively located at both ends of the connecting member. Specifically, one of the cushions 130 is located between the first end 121 of the linkage and the a-pillar 300, and the other cushion 130 is located between the second end 122 of the linkage and the airbag 200. The elastic member 110 is disposed on the connecting member, and the elastic member 110 is located between the a-pillar 300 and the airbag 200 to realize the flexible connection between the a-pillar 300 and the airbag 200, and transmit the vibration on the a-pillar 300 to the airbag 200. The cushion may be a rubber cushion.

Therefore, the connection relationship between the a-pillar 300 and the airbag 200 is a secondary cushion flexible connection: the two-stage damping flexible connection is realized by means of the cushion pad 130 and the elastic member 120 respectively. The secondary cushion flexible connection enables the airbag 200 to have larger vibration amplitude relative to the a-pillar 300, so that the airbag 200 can effectively absorb the resonance energy of the a-pillar 300, and the NVH problem caused by the resonance of the a-pillar 300 is solved. The cushion pad 130 can effectively perform a secondary buffering effect, so that the entire airbag mounting assembly 100 can better perform a shock-absorbing and noise-removing effect.

Referring to fig. 5, the airbag 200 is positioned at a middle position 301 of the trisection of the a-pillar 300. The middle position of trisection means that the a pillar 300 is trisected to obtain three sections, wherein the section in the middle is the middle position of trisection. The airbag 200 has a heavy weight of 300g or more, and has a good vibration absorption effect, the larger the mass is, the stronger the vibration absorption capability is, the middle position of the trisection of the column a 300 is, and the amplitude of the column a 301 is the largest, so that the airbag 200 is arranged at the position with the best vibration absorption effect. The middle position 301 of trisection is in the position of centering, installs air bag 200 here not only can make air bag all have sufficient inflation space from top to bottom when rising, can also improve air bag's sensitivity to make air bag can rise fast accurately, in time play the guard action.

Referring to fig. 2, in an embodiment of the present invention, the elastic member 110 is a bushing, the connecting member may be a bolt, and the bushing is provided with a rubber ring 111, the rubber ring 111 can effectively absorb resonance energy, and can elastically connect the a-pillar 300 and the installation airbag to transmit the resonance of the a-pillar 300 to the airbag 200.

Referring to fig. 2, in an embodiment of the present invention, the bushing includes an inner ring 112 and an outer ring 113, the inner ring 112 is coaxially sleeved inside the outer ring 113, and the rubber ring 111 is located between the inner ring 112 and the outer ring 113.

Referring to fig. 3, in an embodiment of the present invention, the connecting member may be the elastic member 110, and includes a damper 114 and a first spring 115, the damper 114 is disposed between the first end 121 and the second end of the connecting member, and the first spring 115 is disposed between the first end 121 and the second end of the connecting member and parallel to the damper 114. The damper 114 and the first spring 115 form a first-level spring shock absorption, so that the cost is low and the cost performance is high.

Referring to fig. 4, a double-headed arrow in the figure indicates a shifting direction of the control dial 118, in an embodiment of the present invention, the elastic member 110 further includes a second spring 116 and a spring control dial 118, the spring control dial 118 includes a body, the body is provided with a first dial 1181, the body is slidably connected to the first end 121 of the connecting member, one end of the second spring 116 is connected to the a-pillar 300, the other end of the second spring 116 is provided with a first sliding rod 1161 and a first limiting member 1162, the first sliding rod 1161 is slidably connected to the second end 122 of the connecting member, and the first sliding rod 1161 passes through the airbag bracket 201 and can slide on the airbag bracket 201; the first limiting member 1162 is parallel to the first toggle piece 1181, when the body slides to the first position, the first limiting member 1162 is located on one side of the first toggle piece 1181 facing the a-pillar 300, and when the body slides to the second position, the first limiting member 1162 is separated from the limitation of the first toggle piece 1181. The damper 114, the first spring 115 and the second spring 116 constitute a two-stage spring damping shock absorber. The shock attenuation effect of second grade spring is better than one-level spring shock attenuation effect. The first pulling piece 1181 can control whether the second spring 116 participates in damping, so that the controllability and the practicability of the second-stage spring are improved.

Referring to fig. 4, in an embodiment of the present invention, the spring further includes a third spring 117, the body is provided with a second toggle piece 1182, the first toggle piece 1181 is parallel to the second toggle piece 1182, the length of the first toggle piece 1181 is longer than that of the second toggle piece 1182, one end of the third spring 117 is connected to the a-pillar 300, the other end of the third spring 117 is provided with a second sliding rod 1171 and a second limiting member 1172, the second sliding rod 1171 is slidably connected to the second end 122 of the connecting member, and the second sliding rod 1171 passes through the airbag bracket 201 and can slide on the airbag bracket 201; the second limiting member 1172 is parallel to the second toggle piece 1182, when the body slides to the first position, the second limiting member 1172 is located on one side of the second toggle piece 1182 facing the a-pillar 300, and when the body slides to the second position, the second limiting member 1172 is separated from the limitation of the second toggle piece 1182. The damper 114, the first spring 115, the second spring 116 and the third spring 117 constitute a three-stage spring damping shock absorber, which is more excellent in shock absorption effect and suitable for high-grade vehicles to increase the effect of absorbing the resonance energy of the a-pillar 300.

In an embodiment of the present invention, the airbag 200 may be disposed at a position that meets safety regulations and protects the primary and secondary drivers.

In an embodiment of the present invention, the airbag 200 is installed on the airbag bracket 201, and the airbag bracket 201 is connected to the second end 122 of the connecting member. In an embodiment of the present invention, a nut is disposed on the a-pillar 300, and the first end 121 of the connecting member is connected to the nut. The nut may be welded to the a-pillar 300.

The utility model provides a vehicle, install air bag 200 on the A post 300 of vehicle, air bag 200 passes through air bag installation component 100 install in on the A post 300. If the A column 300 and a front windshield vibrate greatly, the problems of medium-high frequency NVH are easily caused; by converting the a-pillar 300 primary and secondary driving airbag 200 into a vibration absorbing device, the vibration of the a-pillar 300 and the front windshield is absorbed by the vibration of the airbag, and the problem of medium-high frequency NVH caused by the resonance of the a-pillar 300 and the front windshield can be significantly improved.

Referring to fig. 6, the gray line is the original resonance frequency diagram of the a pillar of the automobile, the black line is the resonance frequency noise diagram of the a pillar of the automobile, and it can be seen from the diagram that (the position of the arrow mark) the airbag 200 is installed on the a pillar, and the NVH problem is effectively solved. The utility model discloses air bag installation component 100 aims at adjusting A post 300 major-minor connection mode who drives air bag 200, makes it play the effect of dynamic vibration absorber to solve the well high frequency NVH problem that leads to by A post 300 and preceding windshield resonance, promoted the car quality. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An airbag mounting assembly by which an airbag is mounted to an a-pillar of a vehicle, the airbag mounting assembly comprising:

the first end of the connecting piece is connected with the A column, and the second end of the connecting piece is connected with the safety airbag;

buffer pads respectively arranged at two ends of the connecting piece;

the elastic piece is arranged on the connecting piece and positioned between the A column and the safety air bag to realize the flexible connection between the A column and the safety air bag, and the vibration on the A column is transmitted to the safety air bag.

2. The airbag mounting assembly of claim 1, wherein the resilient member is a bushing having a rubber ring disposed thereon.

3. The airbag mounting assembly of claim 2 wherein the bushing includes an inner ring and an outer ring, the inner ring coaxially nested inside the outer ring, the rubber ring positioned between the inner ring and the outer ring.

4. The airbag mounting assembly of claim 1, wherein the resilient member comprises a damper disposed between the first and second ends of the connecting member and a first spring disposed between the first and second ends of the connecting member and parallel to the damper.

5. The airbag mounting assembly of claim 4, wherein the elastic member further comprises a second spring and a spring control paddle, the spring control paddle comprises a body, the body is provided with a first paddle, the body is slidably connected with the first end of the connecting member, one end of the second spring is connected with the A-pillar, the other end of the second spring is provided with a first sliding rod and a first limiting member, the first sliding rod is slidably connected with the second end of the connecting member, the first limiting member is parallel to the first paddle, when the body slides to a first position, the first limiting member is located on one side of the first paddle, which faces the A-pillar, and when the body slides to a second position, the first limiting member is separated from the limitation of the first paddle.

6. The airbag mounting assembly of claim 5, wherein the spring further comprises a third spring, the body is provided with a second paddle, the first paddle is parallel to the second paddle, the length of the first paddle is longer than that of the second paddle, one end of the third spring is connected to the A-pillar, the other end of the third spring is provided with a second sliding rod and a second limiting member, the second sliding rod is slidably connected to the second end of the connecting member, the second limiting member is parallel to the second paddle, the second limiting member is located on one side, facing the A-pillar, of the second paddle when the body slides to the first position, and the second limiting member is separated from the limitation of the second paddle when the body slides to the second position.

7. The airbag mounting assembly of claim 1, wherein the airbag is mounted to an airbag bracket, the airbag bracket being coupled to the second end of the connector.

8. The airbag mounting assembly of claim 1, wherein a nut is disposed on the a-pillar and the first end of the connector is coupled to the nut.

9. A vehicle having an airbag mounted to an a-pillar, wherein the airbag is mounted to the a-pillar by an airbag mounting assembly as claimed in any one of claims 1 to 8.