CN220262723U

CN220262723U - Safety airbag sensor

Info

Publication number: CN220262723U
Application number: CN202321685981.9U
Authority: CN
Inventors: 刘洋; 廖程亮; 赵挺; 樊华春; 徐炜; 刘家琪; 何小明
Original assignee: Jiangxi Isuzu Motors Co Ltd
Current assignee: Jiangxi Isuzu Motors Co Ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-29
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses an air bag sensor, which comprises a sensor body, a mounting side table, a limit column and a connector, wherein the mounting side table, the limit column and the connector are arranged on the sensor body, and the sensor body and the mounting side table are both made of metal materials; the sensor body is located to installation side platform and connector with one side, and the installation side platform is equipped with first mounting plane, is equipped with the second mounting plane the same with first mounting plane orientation on the sensor body, and the conduction platform is established to first mounting plane, and the second mounting plane is located to spacing post, and the installation side platform is equipped with the mounting hole, and the installation side platform passes through the bolt that the body in white was located to the mounting hole cover, and spacing post wears to establish into the body in white in order to be fixed in the body in white with the sensor body. The utility model uses metal material to replace the traditional plastic shell, so that the safety air bag sensor and the white car body are in rigid contact, and meanwhile, the problem of rotation generated during the installation of the safety air bag sensor is solved by arranging the limit column.

Description

Safety airbag sensor

Technical Field

The utility model relates to the field of automobile parts, in particular to an airbag sensor.

Background

The safety collision sensor is an important signal input device in an automobile safety restraint system. When an automobile collides with an accident, the air bag sensor acquires a collision acceleration signal and sends the signal to the air bag controller, and the air bag controller judges whether to ignite the air bag according to the comparison of the signal of the sensor and an ignition threshold value. The signal of the crash sensor is thus of exceptional importance to the airbag controller. In order to ensure that the sensor can accurately acquire collision information, the manner of fixedly connecting the collision sensor with the body in white and the structure of the collision sensor which is self-generated are particularly important so as to ensure that collision signals are synchronously acquired and transmitted in real time.

At present, a plastic shell of an air bag sensor is directly fixed on a sheet metal of a vehicle body, so that when a whole vehicle collides, the change of the speed caused by the collision of the vehicle is transmitted to the air bag sensor through the sheet metal, and the air bag sensor controls whether an air bag is exploded or not through a change signal of the state of the whole vehicle.

However, since the structural strength of the plastic housing in the airbag sensor is generally high, the plastic housing causes weaker shock conductivity between the vehicle body sheet metal and the airbag sensor when the airbag sensor is installed, and buffering exists when a vehicle collides, so that the airbag is not triggered or is triggered by mistake; meanwhile, since the airbag sensor is not provided with a limiting device, a phenomenon of rotation occurs when the airbag sensor is mounted.

Disclosure of Invention

Based on the above, the utility model aims to provide an airbag sensor, which aims to solve the problems that the existing plastic shell and the sheet metal of a vehicle body have weaker shock conductivity, so that the airbag is not triggered or is triggered by mistake, and the airbag sensor rotates when being installed.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: an airbag sensor comprises a sensor body, a mounting side table, a limit column and a connector, wherein the mounting side table, the limit column and the connector are arranged on the sensor body;

the sensor comprises a sensor body, a connector, a mounting side table, a first mounting plane, a second mounting plane, a conducting table and a limiting column, wherein the mounting side table and the connector are arranged on the same side of the sensor body, the mounting side table is provided with the first mounting plane, the sensor body is provided with the second mounting plane which faces the same direction with the first mounting plane, the conducting table extends out of the first mounting plane, the limiting column is arranged on the second mounting plane, the conducting table and the limiting column are arranged on one side, facing the white body, of the sensor body, the mounting side table is provided with a mounting hole, the mounting side table is sleeved with a bolt of the white body through the mounting hole, and the limiting column penetrates the white body to fix the sensor body to the white body.

In summary, according to the airbag sensor provided by the utility model, the conventional plastic shell is replaced by the metal material, so that the airbag sensor and the white car body are in rigid contact, and meanwhile, the problem of rotation generated during installation of the airbag sensor is solved by arranging the limit post. The safety airbag sensor comprises a sensor body, a mounting side table, a limit column and a connector, wherein the mounting side table, the limit column and the connector are arranged on the sensor body; the sensor body is provided with a first installation plane, a second installation plane which faces the first installation plane is arranged on the sensor body, a conduction table is arranged on the first installation plane, the sensor body and the installation side table are made of metal materials, and the conduction table is made of metal materials, so that the sensor body and the white automobile body are in rigid contact with each other. The spacing post is located the second mounting plane, and sensor body one side towards white automobile body is located to conduction platform and spacing post, and the installation side platform is equipped with the mounting hole, and the bolt of white automobile body is located through the mounting hole cover to the installation side platform, and spacing post wears to establish into white automobile body in order to be fixed in white automobile body with the sensor body, avoids taking place to rotate when installing air bag sensor.

Further, a plurality of reinforcing ribs are arranged on the periphery of the limiting column, and the limiting column and the reinforcing ribs are vertically arranged on the second installation plane.

Further, the spacing post is a U type loop column, the strengthening rib is including locating spacing post's open end department, and with the first strengthening rib of the relative one end department of open end and locate spacing post both sides second strengthening rib.

Further, the extension length of the second reinforcing rib is greater than that of the first reinforcing rib.

Further, a plurality of guide strips are arranged on the periphery of the connector and are arranged along the axial direction of the connector, and the guide strips are perpendicular to the sensor body.

Further, the guide strips comprise first guide strips arranged on two opposite sides of the connector, at least two second guide strips arranged on one side, far away from the mounting side table, of the connector, and a limiting piece is further arranged between the second guide strips on the outer side wall of the connector.

Further, the first installation plane is lower than the second installation plane, and the height of the conduction platform is higher than the second installation plane, so that the conduction platform is attached to the white car body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of an airbag sensor in accordance with one embodiment of the present utility model;

fig. 2 is a front view of the airbag sensor.

Description of the drawings element symbols:

sensor body 100, second mounting plane 110, mounting side table 200, first mounting plane 210, conduction table 211, mounting hole 212, spacing post 300, first stiffener 310, second stiffener 320, connector 400, first guide strip 410, second guide strip 420, spacing piece 430.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly stated 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 connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, a schematic structural diagram of an airbag sensor according to an embodiment of the present utility model is shown, including a sensor body 100, a mounting side stand 200, a limit post 300 and a connector 400 disposed on the sensor body 100, wherein the sensor body 100 and the mounting side stand 200 are made of metal materials, and the following components are included:

in order to facilitate the assembly of the airbag sensor and the body-in-white, a first mounting plane 210 is provided on the mounting side stand 200, and a second mounting plane 110 having the same orientation as the first mounting plane 210 is provided on the sensor body 100. The first mounting plane 210 and the second mounting plane 110 are both disposed on a side of the sensor body 100 facing the body-in-white, and in order to accurately identify the collision signal of the whole vehicle and accurately transmit the collision signal, a conductive platform 211 extends from a side of the first mounting plane 210 of the mounting side platform 200 facing the body-in-white. In this embodiment, the first mounting plane 210 is lower than the second mounting plane 110, and the height of the conductive platform 211 is higher than the second mounting plane 110, so that the conductive platform 211 is attached to the body-in-white. The mounting side table 200 made of metal materials replaces a traditional plastic shell, traditional flexible contact is changed into rigid contact, collision signals of the whole vehicle are recognized in the maximum range, the collision signals are accurately transmitted, and the problem that acceleration signals of the collision are reduced due to flexible contact, and the airbag is not triggered or is triggered by mistake is solved.

Further, the mounting side stand 200 is provided with mounting holes 212 penetrating through front and rear end surfaces thereof, and the mounting holes 212 are provided in the middle of the conductive stand 211. The mounting side stand 200 is sleeved on a flange surface bolt on the white car body, and then is fixed by a nut, so that the conducting stand 211 is tightly attached to the white car body. In this process, the restraining post 300 is then nested into the body-in-white to prevent the airbag sensor from rotating during installation.

In this embodiment, the limiting post 300 is a U-shaped ring post, one end of the limiting post 300 is an opening, the limiting post 300 is vertically disposed on the second mounting plane 110, and a plurality of reinforcing ribs are disposed on the periphery of the limiting post 300. The reinforcing ribs include a first reinforcing rib 310 arranged at the opening end and the opposite end of the limiting post 300, and a second reinforcing rib 320 arranged at two sides of the limiting post 300. The second reinforcing rib 320 has a radial extension greater than that of the first reinforcing rib 310. The reinforcing ribs are circumferentially arranged on the periphery of the limit post 300, so that the reliability of the limit post 300 is enhanced.

Further, the connector 400 and the mounting side stand 200 are disposed on the same side of the sensor body 100. The connector 400 is provided with a plurality of guide bars at the periphery thereof, and the guide bars are vertically disposed on the sensor body 100. The guide strips include a first guide strip 410 disposed on two opposite sides of the connector 400, and at least two second guide strips 420 disposed on one side of the connector 400 away from the mounting side stand 200, and a limiting member 430 is disposed between the second guide strips 420. The connector 400 is electrically connected with the airbag controller, when the body-in-white is collided, the corresponding structure on the body-in-white transmits an acceleration signal to the conducting platform 211, the conducting platform 211 accurately inputs the acceleration into the airbag sensor, and the sensor finally converts the acceleration signal into an electric signal and transmits the electric signal to the airbag controller so as to control whether to ignite the airbag.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model, and are described in detail, but are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An airbag sensor is characterized by comprising a sensor body, a mounting side table, a limit column and a connector, wherein the mounting side table, the limit column and the connector are arranged on the sensor body;

2. The airbag sensor of claim 1, wherein a plurality of reinforcing ribs are provided on the outer periphery of the stopper post, and the stopper post and the reinforcing ribs are vertically provided on the second mounting plane.

3. The airbag sensor of claim 2, wherein the restraining post is a U-shaped loop post, and the stiffener includes a first stiffener disposed at an open end of the restraining post, and at an end opposite the open end, and second stiffeners disposed on opposite sides of the restraining post.

4. An airbag sensor as in claim 3, wherein the second stiffener has an extension greater than the extension of the first stiffener.

5. The airbag sensor of claim 1, wherein the connector has a plurality of guide bars disposed along an axial direction of the connector at an outer periphery thereof, the guide bars being perpendicular to the sensor body.

6. The airbag sensor of claim 5, wherein the guide strips comprise first guide strips disposed on opposite sides of the connector, and at least two second guide strips disposed on a side of the connector away from the mounting side stand, and a limiting member is disposed between the second guide strips on an outer side wall of the connector.

7. The airbag sensor of claim 1 wherein the first mounting plane is lower in height than the second mounting plane and the conductive platform is higher in height than the second mounting plane to conform the conductive platform to a body in white.