JPH066130U - Automotive airbag sensor connector layout - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent connector damage without increasing the number of parts. [Structure] Bracket 3 for mounting the airbag sensor
0 is provided with a pair of leg pieces 31, 31, which are arranged in a U-shape so as to face each other, and both leg pieces 3
The connector 50 composed of the connector members 22 and 52 is arranged inside the connector housing portion 40 surrounded by 1 and 31,
The connector 50 is covered with the bracket 30. [Effects] When a vehicle collides, the portion that is displaced toward the connector 50 collides with the bracket 30 and thus does not directly collide with the connector 50, the impact applied to the connector 50 is reduced, and damage to the connector 50 is prevented. . Further, there is no need for a dedicated part for preventing damage to the connector 50, and the number of parts does not increase.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector arrangement structure for an airbag sensor mounted on a vehicle.

[0002]

[Prior art]

 As shown in FIG. 6, a radiator support upper member 2 extending in the vehicle width direction is arranged above the front end of the vehicle body 1, and a radiator support lower member 3 also extending in the vehicle width direction is arranged below the front end portion of the vehicle body 1. A vertical hood lock support member 4 is laid between the intermediate portions of the two members 2 and 3, and an air bag sensor 5 is conventionally attached to the hood lock support member 4.

As shown in FIG. 7, the airbag sensor 5 is attached to the hood lock support member 4 via the bracket 6, and the harness 7 pulled out from the sensor 5 is inserted into the main harness 9 via the connector 8. Connected to.

[0004]

[Problems to be solved by the device]

 However, in the conventional air bag sensor connector layout structure, since the connector 8 is exposed in the crash zone inside the vehicle body 1, the parts such as the radiator grille are exposed in a low speed collision where the air bag sensor 5 does not operate. When was pushed into the vehicle, the portion directly collided with the connector 8 and the connector 8 was damaged, and there was a risk of disconnection in the connector 8 and defective conduction. Further, even in the case of a high-speed collision, the connector 8 may be damaged before the airbag sensor 5 is activated, resulting in defective conduction as in the above case.

In addition, in order to prevent damage to the connector 8, it may be possible to provide a dedicated protector for damage prevention. However, if such a protector is provided, a new problem occurs that the number of parts increases. To do.

The present invention solves the above-mentioned problems of the prior art, prevents damage to the connector without increasing the number of parts, and prevents occurrence of improper energization of the air bag sensor. The purpose is to provide a layout structure.

[0007]

[Means for Solving the Problems]

 According to the first aspect of the present invention, the upper end of the hood lock support member extending in the vertical direction is attached to the center of the radiator support upper member extending in the vehicle width direction at the front of the vehicle body, and the airbag sensor is attached to the hood lock support member. In order to achieve the same purpose as above, there is provided a connector arrangement structure for an automobile air bag sensor in which a harness pulled out from the air bag sensor is connected to a main harness through a connector while being attached via a bracket. The connector is arranged inside the bracket.

According to a second aspect of the present invention, the upper end of the hood lock support member extending in the vertical direction is attached to the center of the radiator support upper member extending in the vehicle width direction at the front of the vehicle body, and the airbag sensor is provided with the hood lock. A connector arrangement structure for an automobile air bag sensor, which is attached to a support member via a bracket and in which a harness pulled out from the air bag sensor is connected to a main harness via a connector. The connector is arranged inside the vehicle body component near the mounting position of the airbag sensor.

[0009]

[Action]

 In the connector arranging structure for the automobile air bag sensor according to claim 1, since the connector is arranged inside the bracket, the connector is covered by the bracket and is displaced toward the connector arranging position during a vehicle collision. By colliding with the bracket, the part does not directly collide with the connector, the impact on the connector is reduced, and damage to the connector can be prevented. In addition, no dedicated parts are required to prevent damage to the connector, and the number of parts does not increase.

In the connector arranging structure for the automobile air bag sensor according to the present invention, since the connector is arranged inside the vehicle body constituent member, the connector is covered by the vehicle body constituent member, and the connector arranging position is provided at the time of a vehicle collision. By colliding with the body component member that covers the connector, the portion displaced toward the side does not directly collide with the connector, the impact applied to the connector is reduced, and damage to the connector can be prevented. Also, no special parts are required to prevent damage to the connector, and the number of parts does not increase.

[0011]

【Example】

 FIG. 1 is a perspective view for explaining the arrangement structure of an automobile air bag sensor according to a first embodiment of the present invention, FIG. 2 is a front view of the structure, and FIG. 3 is a side view. As shown in these figures, a radiator support upper member 12 having a substantially inverted U-shaped cross section that extends in the vehicle width direction is provided above the front end of the vehicle body 11, and a vertical upper and lower member 12 is provided at the center of the member 12. An upper end of a hood lock support member 13 having a substantially hat-shaped cross section extending in the direction is attached.

A bracket 30 is attached to the case of the airbag sensor 20 attached to the side surface of the hood lock support member 13. Each bracket 30 is integrally provided with a substantially U-shaped leg piece 31, both leg pieces 31 and 31 are arranged so as to face each other, and a connector housing portion 40 is formed by a space surrounded by both leg pieces 31 and 31. . Then, the shaft portions of the bolts 33, 33 are penetrated from the inside of the connector accommodating portion 40 to the tip folding pieces 32, 32 of the leg pieces 31, 31, respectively, and in this state, the heads of the bolts 33, 33 are folded back. It is welded to the pieces 32, 32.

Mounting holes 13a and 13a (see FIG. 2) are formed in the side wall of the hood lock support member 13 at positions corresponding to the folded pieces 32 of the bracket 30, and the bolts are inserted into the mounting holes 13a and 13a. The shaft portions of 33, 33 are inserted, nuts 34, 34 are fastened to the bolts 33, 33 from the back surface side of the hood lock support member 13, whereby the bracket 30 is fixed to the side wall of the hood lock support member 13.

The airbag sensor 20 is provided with a harness 21 that is pulled out from the inside toward the connector accommodating portion 40 side, and a one-side connector 22 that constitutes the airbag sensor connector 50 is provided at the tip of the harness 21. It is attached.

On the other hand, the main harness branch line 51 is guided to the front end of the vehicle body 11 through the side portion of the engine room, and further through the U-shaped groove of the radiator support upper member 12 to the vicinity of the airbag sensor 20. Get burned. The other end side connector member 52 constituting the connector 50 is attached to the tip of the branch line 51, and an engaging piece 53 is integrally provided on one side wall of the other end side connector member 52 so as to project together. A flexible retaining piece 54 is integrally projectingly provided at the tip of the joint piece 53. Then, the other side connector member 52 is fitted and connected to the one side connector member 22, and the engaging piece 53 of the other side connector 52 is engaged with the engaging hole 35 of the bracket 30 from the inside of the connector accommodating portion 40. And the retaining piece 54 is locked to the peripheral edge of the engaging hole 35, whereby the connector 50 is accommodated in the connector accommodating portion 40 and fixed to the bracket 30.

In FIG. 1, 60 is a hood lock mechanism for locking the hood panel, and 61 is a hood lock lever for unlocking the hood lock mechanism 60.

According to the connector arrangement structure of the air bag sensor, the bracket 30 for attaching the air bag sensor is provided with the pair of leg pieces 31 and 31 arranged so as to face each other in a U-shape. Since the connector 50 including both connector members 22 and 52 is arranged inside the connector housing portion 40 surrounded by both leg pieces 31 and 31, the connector 50 is covered by the bracket 30. For this reason, even if a portion such as the radiator grill is pushed into the inside of the vehicle at the time of a vehicle collision, the portion does not directly collide with the connector 50 by colliding with the bracket 30. Therefore, the impact applied to the connector 50 is reduced, the damage of the connector 50 is prevented, and the occurrence of defective conduction is prevented.

Further, there is no need for dedicated parts for preventing damage to the connector 50, and the number of parts does not increase.

FIG. 4 is a front view for explaining a connector arrangement structure of an automobile air bag sensor according to a second embodiment of the present invention, and FIG. 5 is a sectional view taken along line I-I of FIG. As shown in both figures, a bracket 130 is attached to the air bag sensor 120 attached to the side wall of the hood lock support member 13, and a pair of leg pieces 131 and 131 are provided on the bracket 130. The leg pieces 131 and 131 are fixed to the side wall of the hood lock support member 13 with bolts 33 and nuts 34.

On the tip of the harness 121 pulled out from the air bag sensor 120, a one-side connector member 122 that constitutes an air bag sensor connector 140 together with the other-side connector member 52 is attached. The member 122 is connected to the other connector 52 on the main harness 51 side within the U-shaped groove of the radiator support upper member 12, and the connector 14- is connected to the U-shaped groove of the radiator support upper member 12 by a fastener not shown. It is fixed on the inner surface.

Other configurations are the same as the connector arrangement structure of the automobile airbag sensor of the first embodiment.

According to this connector arrangement structure, the connector 140 is housed in the U-shaped groove of the radiator support upper member 12 having an inverted U-shaped cross section, and the connector 140 is covered by the radiator support upper member 12. At the time of collision, the portion displaced toward the connector disposition position does not directly collide with the connector 140, so that the connector 140 is prevented from being damaged, and the occurrence of defective conduction can be prevented. Furthermore, a dedicated part for preventing damage to the connector 140 is not required, and the number of parts does not increase.

In the connector arrangement structure of the second embodiment, it is not necessary to use the bracket 30 having a special shape as in the first embodiment, and the existing bracket 130 can be used. This can be easily realized by simply arranging 140 in the U-shaped groove of the radiator support upper member 12.

In each of the above embodiments, the connectors 50 and 140 are covered with the bracket 30 and the vehicle body constituent members 12 and 30 such as the radiator support upper member 12, but the present invention is not limited to this. Other than the airbag sensor 20 may be covered with a vehicle body component near the mounting position. For example, the connector may be arranged in the groove of the hood lock support member 13 and the hood lock support member 13 may cover the connector.

[0025]

[Effect of device]

 According to the connector arrangement structure for an automobile air bag sensor of claim 1, since the connector is arranged inside the bracket, the connector is covered by the bracket, and when the vehicle collides, it faces the connector arrangement position. The displaced part does not directly collide with the connector by colliding with the bracket, the impact applied to the connector is reduced, the connector is prevented from being damaged, and it is possible to prevent the occurrence of improper energization. There is no need for dedicated parts for prevention, and the number of parts does not increase.

According to the connector arranging structure of the automobile airbag sensor of the second aspect, since the connector is arranged inside the vehicle body constituent member, the connector is covered by the vehicle body constituent member and the connector is covered at the time of a vehicle collision. The parts displaced toward the placement position collide with the vehicle body component that covers the connector and do not directly collide with the connector, reducing the shock applied to the connector, preventing damage to the connector, and preventing electrical failure. While it can prevent the occurrence, it does not require special parts to prevent damage to the connector, and the number of parts does not increase.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining a connector arrangement structure of an automobile air bag sensor according to a first embodiment of the present invention.

FIG. 2 is a front view of a main part of the connector arrangement structure according to the first embodiment.

FIG. 3 is a side view of a main part of the connector arrangement structure according to the first embodiment.

FIG. 4 is a front view for explaining a connector arrangement structure of an automobile air bag sensor according to a second embodiment of the present invention.

5 is a cross-sectional view taken along line I-I of FIG.

FIG. 6 is a perspective view showing a front portion of a vehicle body of a conventional automobile.

FIG. 7 is a front view for explaining a connector arrangement structure of a conventional automobile air bag sensor.

[Explanation of symbols]

 11 vehicle body 12 radiator support upper member 13 hood lock support member 20 air bag sensor 21 harness 50, 140 connector 30, 130 bracket

Claims (2)

[Scope of utility model registration request] 1. An upper end of a hood lock support member extending in the vertical direction is attached to the center of a radiator support upper member extending in the vehicle width direction at the front of the vehicle body, and an air bag sensor is attached to the hood lock support member via a bracket. In a connector arrangement structure of an automotive airbag sensor in which a harness attached and attached to a main harness via a connector is connected, the connector is disposed inside the bracket. Connector layout structure for automobile air bag sensors. 2. An upper end of a hood lock support member extending in the vertical direction is attached to the center of a radiator support upper member extending in the vehicle width direction at the front of the vehicle body, and an air bag sensor is attached to the hood lock support member via a bracket. In a connector arrangement structure of an automobile airbag sensor in which a harness pulled out from the airbag sensor is connected to a main harness via a connector while being attached, the connector is a vehicle body constituent member near a mounting position of the airbag sensor. The structure for arranging the connector of the air bag sensor for automobiles, which is arranged inside the.